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_CTRL1_BUTTONS_HORIZ          4
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45
  46 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  47 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  48 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  49 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  50 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  51 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  52 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  53 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  54 #define ED_NUM_CTRL_BUTTONS    (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  55
  56 /* values for the element list */
  57 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  58 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  59 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  60 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  61 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  62 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  63 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  64                                          ED_ELEMENTLIST_BUTTONS_VERT)
  65
  66 /* standard distances */
  67 #define ED_BORDER_SIZE                  3
  68 #define ED_BORDER_TEXT_XSIZE            5
  69 #define ED_BORDER_AREA_YSIZE            1
  70 #define ED_ELEMENT_BORDER               8
  71 #define ED_ELEMENT_BORDER_INPUT         4
  72
  73 #define ED_GADGET_DISTANCE              2
  74 #define ED_GADGET_TEXT_DISTANCE         (2 * ED_GADGET_DISTANCE)
  75 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  76                                          MINI_TILEX / 2)
  77
  78 /* values for the settings windows */
  79 #define ED_LEVEL_SETTINGS_XSTART        (3 * MINI_TILEX / 2)
  80 #define ED_LEVEL_SETTINGS_YSTART        (7 * MINI_TILEY)
  81
  82 #define ED_ELEMENT_SETTINGS_XSTART      (3 * MINI_TILEX / 2)
  83 #define ED_ELEMENT_SETTINGS_YSTART      (10 * MINI_TILEY)
  84
  85 #define ED_XOFFSET_CHECKBOX             (ED_CHECKBUTTON_XSIZE +         \
  86                                          2 * ED_GADGET_DISTANCE)
  87
  88 #define ED_SETTINGS_XOFFSET             ED_XOFFSET_CHECKBOX
  89 #define ED_SETTINGS_YOFFSET             (3 * MINI_TILEY / 2)
  90 #define ED_SETTINGS_TAB_XOFFSET         124
  91
  92 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_LEVEL_SETTINGS_XSTART +     \
  93                                          (n) * ED_SETTINGS_XOFFSET)
  94 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_LEVEL_SETTINGS_YSTART +     \
  95                                          (n) * ED_SETTINGS_YOFFSET)
  96
  97 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_ELEMENT_SETTINGS_XSTART +   \
  98                                          (n) * ED_SETTINGS_XOFFSET)
  99 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_ELEMENT_SETTINGS_YSTART +   \
 100                                          (n) * ED_SETTINGS_YOFFSET)
 101
 102 #define ED_LEVEL_SETTINGS_TABS_XPOS(n)  (ED_LEVEL_SETTINGS_XPOS(0) +    \
 103                                         (n) * ED_SETTINGS_TAB_XOFFSET)
 104 #define ED_LEVEL_SETTINGS_TABS_YPOS(n)  (ED_LEVEL_SETTINGS_YSTART -     \
 105                                          3 * MINI_TILEY)
 106
 107 #define ED_ELEMENT_SETTINGS_TABS_XPOS(n) (ED_ELEMENT_SETTINGS_XPOS(0) + \
 108                                          (n) * ED_SETTINGS_TAB_XOFFSET)
 109 #define ED_ELEMENT_SETTINGS_TABS_YPOS(n) (ED_ELEMENT_SETTINGS_YSTART -  \
 110                                          2 * MINI_TILEY)
 111
 112 #define ED_SETTINGS1_YPOS               MINI_TILEY
 113 #define ED_SETTINGS2_XPOS               MINI_TILEX
 114 #define ED_SETTINGS2_YPOS               (ED_SETTINGS1_YPOS + 12 * TILEY - 2)
 115
 116 /* values for counter gadgets */
 117 #define ED_COUNTER_YSTART               (ED_SETTINGS1_YPOS + 2 * TILEY)
 118 #define ED_COUNTER_YDISTANCE            (3 * MINI_TILEY)
 119 #define ED_COUNTER_YPOS(n)              (ED_COUNTER_YSTART +            \
 120                                          (n) * ED_COUNTER_YDISTANCE)
 121 #define ED_COUNTER2_YPOS(n)             (ED_COUNTER_YSTART +            \
 122                                          (n) * ED_COUNTER_YDISTANCE - 2)
 123
 124 /* values for element content drawing areas */
 125 #define ED_AREA_1X1_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 126 #define ED_AREA_1X1_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 127                                          ED_GADGET_DISTANCE)
 128
 129 #define ED_AREA_3X3_SETTINGS_XPOS(n)    (ED_ELEMENT_SETTINGS_XPOS(n))
 130 #define ED_AREA_3X3_SETTINGS_YPOS(n)    (ED_ELEMENT_SETTINGS_YPOS(n) +  \
 131                                          ED_GADGET_DISTANCE - MINI_TILEY)
 132
 133 /* yamyam content */
 134 #define ED_AREA_YAMYAM_CONTENT_XPOS(n)  (2 * MINI_TILEX +               \
 135                                          5 * ((n) % 4) * MINI_TILEX)
 136 #define ED_AREA_YAMYAM_CONTENT_YPOS(n)  (11 * ED_SETTINGS_YOFFSET +     \
 137                                          6 * ((n) / 4) * MINI_TILEY)
 138
 139 /* magic ball content */
 140 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS(n) (2 * MINI_TILEX +            \
 141                                             5 * ((n) % 4) * MINI_TILEX)
 142 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS(n) (12 * ED_SETTINGS_YOFFSET +  \
 143                                             6 * ((n) / 4) * MINI_TILEY)
 144
 145 /* values for scrolling gadgets for drawing area */
 146 #define ED_SCROLLBUTTON_XPOS            24
 147 #define ED_SCROLLBUTTON_YPOS            0
 148 #define ED_SCROLLBAR_XPOS               24
 149 #define ED_SCROLLBAR_YPOS               64
 150
 151 #define ED_SCROLLBUTTON_XSIZE           16
 152 #define ED_SCROLLBUTTON_YSIZE           16
 153
 154 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 155 #define ED_SCROLL_UP_YPOS               (0)
 156 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 157 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 158 #define ED_SCROLL_LEFT_XPOS             (0)
 159 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 160 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 161 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 162 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 163                                          ED_SCROLLBUTTON_XSIZE)
 164 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 165 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 166 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 167 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 168 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 169                                          ED_SCROLLBUTTON_YSIZE)
 170 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 171 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 172
 173 /* values for scrolling gadgets for element list */
 174 #define ED_SCROLLBUTTON2_XPOS           50
 175 #define ED_SCROLLBUTTON2_YPOS           0
 176 #define ED_SCROLLBAR2_XPOS              50
 177 #define ED_SCROLLBAR2_YPOS              20
 178
 179 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 180 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 181
 182 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 183                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 184                                          ED_ELEMENTLIST_XSIZE)
 185 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 186 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 187 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 188                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 189                                          ED_ELEMENTLIST_YSIZE -         \
 190                                          ED_SCROLLBUTTON2_YSIZE)
 191 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 192 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 193                                          ED_SCROLLBUTTON2_YSIZE)
 194 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 195 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 196                                          ED_ELEMENTLIST_YSIZE -         \
 197                                          2 * ED_SCROLLBUTTON2_YSIZE)
 198
 199 /* values for checkbutton gadgets */
 200 #define ED_CHECKBUTTON_XSIZE            ED_BUTTON_COUNT_XSIZE
 201 #define ED_CHECKBUTTON_YSIZE            ED_BUTTON_COUNT_YSIZE
 202 #define ED_CHECKBUTTON_UNCHECKED_XPOS   ED_BUTTON_MINUS_XPOS
 203 #define ED_CHECKBUTTON_CHECKED_XPOS     ED_BUTTON_PLUS_XPOS
 204 #define ED_CHECKBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 22)
 205 #define ED_RADIOBUTTON_YPOS             (ED_BUTTON_MINUS_YPOS + 44)
 206 #define ED_STICKYBUTTON_YPOS            (ED_BUTTON_MINUS_YPOS + 66)
 207
 208 /* values for some special graphic buttons */
 209 #define ED_COPY_CHANGE_PAGE_XPOS        25
 210 #define ED_COPY_CHANGE_PAGE_YPOS        50
 211 #define ED_PASTE_CHANGE_PAGE_XPOS       25
 212 #define ED_PASTE_CHANGE_PAGE_YPOS       70
 213
 214 /* some values for text input, selectbox and counter gadgets */
 215 #define ED_BUTTON_COUNT_YPOS            60
 216 #define ED_BUTTON_COUNT_XSIZE           20
 217 #define ED_BUTTON_COUNT_YSIZE           20
 218 #define ED_WIN_COUNT_XPOS               (2 + ED_BUTTON_COUNT_XSIZE + 2)
 219 #define ED_WIN_COUNT_YPOS               ED_BUTTON_COUNT_YPOS
 220 #define ED_WIN_COUNT_XSIZE              52
 221 #define ED_WIN_COUNT_YSIZE              ED_BUTTON_COUNT_YSIZE
 222
 223 #define ED_BUTTON_MINUS_XPOS            2
 224 #define ED_BUTTON_MINUS_YPOS            ED_BUTTON_COUNT_YPOS
 225 #define ED_BUTTON_MINUS_XSIZE           ED_BUTTON_COUNT_XSIZE
 226 #define ED_BUTTON_MINUS_YSIZE           ED_BUTTON_COUNT_YSIZE
 227 #define ED_BUTTON_PLUS_XPOS             (ED_WIN_COUNT_XPOS +            \
 228                                          ED_WIN_COUNT_XSIZE + 2)
 229 #define ED_BUTTON_PLUS_YPOS             ED_BUTTON_COUNT_YPOS
 230 #define ED_BUTTON_PLUS_XSIZE            ED_BUTTON_COUNT_XSIZE
 231 #define ED_BUTTON_PLUS_YSIZE            ED_BUTTON_COUNT_YSIZE
 232
 233 #define ED_SELECTBOX_XPOS               ED_WIN_COUNT_XPOS
 234 #define ED_SELECTBOX_YPOS               (ED_WIN_COUNT_YPOS +            \
 235                                          2 + ED_WIN_COUNT_YSIZE)
 236 #define ED_SELECTBOX_XSIZE              ED_WIN_COUNT_XSIZE
 237 #define ED_SELECTBOX_YSIZE              ED_WIN_COUNT_YSIZE
 238
 239 #define ED_SELECTBOX_BUTTON_XSIZE       14
 240
 241 #define ED_TEXTBUTTON_XPOS              ED_WIN_COUNT_XPOS
 242 #define ED_TEXTBUTTON_YPOS              (ED_WIN_COUNT_YPOS +            \
 243                                          4 * (2 + ED_WIN_COUNT_YSIZE))
 244 #define ED_TEXTBUTTON_INACTIVE_YPOS     ED_TEXTBUTTON_YPOS
 245
 246 #define ED_TEXTBUTTON_TAB_XPOS          ED_WIN_COUNT_XPOS
 247 #define ED_TEXTBUTTON_TAB_YPOS          (ED_WIN_COUNT_YPOS +            \
 248                                          2 * (2 + ED_WIN_COUNT_YSIZE))
 249 #define ED_TEXTBUTTON_TAB_INACTIVE_YPOS (ED_WIN_COUNT_YPOS +            \
 250                                          3 * (2 + ED_WIN_COUNT_YSIZE))
 251
 252 #define ED_TEXTBUTTON_XSIZE             ED_WIN_COUNT_XSIZE
 253 #define ED_TEXTBUTTON_YSIZE             ED_WIN_COUNT_YSIZE
 254
 255 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 256 #define INFOTEXT_XPOS                   SX
 257 #define INFOTEXT_YPOS                   (SY + SYSIZE - MINI_TILEX + 2)
 258 #define INFOTEXT_XSIZE                  SXSIZE
 259 #define INFOTEXT_YSIZE                  MINI_TILEX
 260
 261
 262 /*
 263   -----------------------------------------------------------------------------
 264   editor gadget definitions
 265   -----------------------------------------------------------------------------
 266 */
 267
 268 /* drawing toolbox buttons */
 269 #define GADGET_ID_NONE                  -1
 270 #define GADGET_ID_TOOLBOX_FIRST         0
 271
 272 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 273 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 274 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 275 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 276 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 277 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 278 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 279 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 280 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 281 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 282 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 283 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 284 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 285 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 286 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 287 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 288
 289 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 290 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 291 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 292 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 293 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 294 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 295
 296 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 297 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 298 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 299 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 300 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 301
 302 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 303
 304 /* counter gadget identifiers */
 305 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 28)
 306
 307 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 308 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 309 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 310 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 311 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 312 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 313 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 314 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 315 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 316 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 317 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 318 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 319 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 320 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 321 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 322 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 323 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 324 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 325 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 326 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 327 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 328 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 329 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 330 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 331 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 332 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 333 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 334 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 335 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 336 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 337 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 338 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 339 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 340 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 341 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 342 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 343 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 344 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 345 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 346 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 347 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 348 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 349 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 350 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 351 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 352 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 353 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 354 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 355 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 356 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 357 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 358 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 359 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 360 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 361 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 362 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 363 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 364 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 365 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 366 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 367 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 368 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 369 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 370 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 371 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 372 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 373 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 374 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 375 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 376 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 377 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 378 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 379 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 380 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 381 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 382 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 383 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 384 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 385 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 386 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 387 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 388 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 389 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 390 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 391 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 392 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 393 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 394 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 395 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 396 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 397 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 398 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 399 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 400 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 401 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 402 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 403 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 404 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 405 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 406 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 407 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 408 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 409
 410 /* drawing area identifiers */
 411 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 412
 413 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 414 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 415 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 416 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 417 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 418 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 419 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 420 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 421 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 422 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 423 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 424 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 425 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 426 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 427 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 428 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 429 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 430 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 431 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 432 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 433 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 434 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 435 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 436 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 437 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 438 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 439 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 440 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 441 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 442 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 443 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 444 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 445 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 446
 447 /* text input identifiers */
 448 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 449
 450 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 451 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 452 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 453
 454 /* text area identifiers */
 455 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 456
 457 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 458
 459 /* selectbox identifiers */
 460 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 461
 462 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 463 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 464 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 465 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 466 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 467 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 468 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 469 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 470 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 471 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 472 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 473 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 474 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 475 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 476 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 477 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 478 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 479 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 480 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 481 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 482 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 483 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 484 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 485 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 486 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 487 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 488 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 489 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 490 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 491
 492 /* textbutton identifiers */
 493 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 494
 495 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 496 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 497 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 498 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 499 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 500 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 501 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 502 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 503 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 504 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 505
 506 /* graphicbutton identifiers */
 507 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 508
 509 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 510 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 511 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 512 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 513
 514 /* gadgets for scrolling of drawing area */
 515 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 516
 517 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 518 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 519 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 520 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 521 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 522 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 523
 524 /* gadgets for scrolling element list */
 525 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 526
 527 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 528 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 529 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 530
 531 /* checkbuttons/radiobuttons for level/element properties */
 532 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 533
 534 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 535 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 536 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 537 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 538 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 539 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 540 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 541 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 542 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 543 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 544 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 545 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 546 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 547 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 548 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 549 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 550 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 551 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 552 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 553 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 554 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 555 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 556 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 557 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 558 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 559 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 560 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 561 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 562 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 563 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 564 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 565 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 566 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 567 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 568 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 569 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 570 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 571 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 572 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 573 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 574 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 575 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 576 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 577 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 578 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 579 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 580 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 581 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 582 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 583 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 584 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 585 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 586 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 587 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 588
 589 /* gadgets for buttons in element list */
 590 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 591 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 592                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 593
 594 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 595
 596 /* radio button numbers */
 597 #define RADIO_NR_NONE                   0
 598 #define RADIO_NR_DRAWING_TOOLBOX        1
 599 #define RADIO_NR_RANDOM_ELEMENTS        2
 600
 601 /* values for counter gadgets */
 602 #define ED_COUNTER_ID_SELECT_LEVEL      0
 603 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 604 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 605 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 606 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 607 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 608 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 609 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 610 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 611 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 612 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 613 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 614 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 615 #define ED_COUNTER_ID_BALL_CONTENT      13
 616 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 617 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 618 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 619 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 620 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 621 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 622 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 623 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 624 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 625 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 626 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 627 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 628 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 629 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 630 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 631 #define ED_COUNTER_ID_IGNITION_DELAY    29
 632 #define ED_COUNTER_ID_GROUP_CONTENT     30
 633 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 634 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 635 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 636
 637 #define ED_NUM_COUNTERBUTTONS           34
 638
 639 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 640 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 641 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 642 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 643
 644 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 645 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 646 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 647 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 648 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 649 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 650
 651 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 652 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 653
 654 /* values for scrollbutton gadgets */
 655 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 656 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 657 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 658 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 659 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 660 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 661
 662 #define ED_NUM_SCROLLBUTTONS            6
 663
 664 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 665 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 666
 667 /* values for scrollbar gadgets */
 668 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 669 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 670 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 671
 672 #define ED_NUM_SCROLLBARS               3
 673
 674 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 675 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 676
 677 /* values for text input gadgets */
 678 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 679 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 680 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 681
 682 #define ED_NUM_TEXTINPUT                3
 683
 684 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 685 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 686
 687 /* values for text area gadgets */
 688 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 689
 690 #define ED_NUM_TEXTAREAS                        1
 691
 692 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 693 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 694
 695 /* values for selectbox gadgets */
 696 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 697 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 698 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 699 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 700 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 701 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 702 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 703 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 704 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 705 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 706 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 707 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 708 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 709 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 710 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 711 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 712 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 713 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 714 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 715 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 716 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 717 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 718 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 719 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 720 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 721 #define ED_SELECTBOX_ID_ACTION_MODE             25
 722 #define ED_SELECTBOX_ID_ACTION_ARG              26
 723 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 724 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 725
 726 #define ED_NUM_SELECTBOX                        29
 727
 728 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 729 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 730
 731 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 732 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 733 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 734 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 735 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 736 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 737
 738 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 739 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 740
 741 /* values for textbutton gadgets */
 742 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 743 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 744 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 745 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 746 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 747 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 748 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 749 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 750 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 751 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 752
 753 #define ED_NUM_TEXTBUTTONS                      10
 754
 755 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 756 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 757
 758 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 759 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 760
 761 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 762 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 763
 764 /* values for graphicbutton gadgets */
 765 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 766 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 767 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 768 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 769
 770 #define ED_NUM_GRAPHICBUTTONS                   4
 771
 772 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 773 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 774
 775 /* values for checkbutton gadgets */
 776 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 777 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 778 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 779 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 780 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 781 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 782 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 783 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 784 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 785 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 786 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 787 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 788 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 789 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 790 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 791 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 792 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 793 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 794 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 795 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 796 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 797 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 798 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 799 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 800 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 801 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 802 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 803 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 804 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 805 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 806 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 807 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 808 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 809 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 810 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 811 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 812 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 813 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 814 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 815 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 816 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 817 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 818 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 819 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 820 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 821 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 822 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 823 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 824 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 825 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 826 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 827 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 828
 829 #define ED_NUM_CHECKBUTTONS                     52
 830
 831 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 832 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 833
 834 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 835 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 836 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 837 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 838 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 839 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 840
 841 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 842 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 843
 844 /* values for radiobutton gadgets */
 845 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 846 #define ED_RADIOBUTTON_ID_QUANTITY      1
 847
 848 #define ED_NUM_RADIOBUTTONS             2
 849
 850 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 851 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 852
 853 /* values for drawing area gadgets */
 854 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 855 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 856 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 857 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 858 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 859 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 860 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 861 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 862 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 863 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 864 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 865 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 866 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 867 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 868 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 869 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 870 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 871 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 872 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 873 #define ED_DRAWING_ID_START_ELEMENT             19
 874 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 875 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 876 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 877 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 878 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 879 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 880 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 881 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 882 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 883 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 884 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 885 #define ED_DRAWING_ID_GROUP_CONTENT             31
 886 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 887
 888 #define ED_NUM_DRAWING_AREAS                    33
 889
 890
 891 /*
 892   -----------------------------------------------------------------------------
 893   some internally used definitions
 894   -----------------------------------------------------------------------------
 895 */
 896
 897 /* values for CopyLevelToUndoBuffer() */
 898 #define UNDO_IMMEDIATE                  0
 899 #define UNDO_ACCUMULATE                 1
 900
 901 /* values for scrollbars */
 902 #define ED_SCROLL_NO                    0
 903 #define ED_SCROLL_LEFT                  1
 904 #define ED_SCROLL_RIGHT                 2
 905 #define ED_SCROLL_UP                    4
 906 #define ED_SCROLL_DOWN                  8
 907
 908 /* screens in the level editor */
 909 #define ED_MODE_DRAWING                 0
 910 #define ED_MODE_INFO                    1
 911 #define ED_MODE_PROPERTIES              2
 912
 913 /* sub-screens in the global settings section */
 914 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 915 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 916
 917 /* sub-screens in the element properties section */
 918 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 919 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 920 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 921 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 922 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 923
 924 /* how many steps can be cancelled */
 925 #define NUM_UNDO_STEPS                  (10 + 1)
 926
 927 /* values for elements with score for certain actions */
 928 #define MIN_SCORE                       0
 929 #define MAX_SCORE                       999
 930
 931 /* values for elements with count for collecting */
 932 #define MIN_COLLECT_COUNT               0
 933 #define MAX_COLLECT_COUNT               999
 934
 935 /* values for random placement */
 936 #define RANDOM_USE_PERCENTAGE           0
 937 #define RANDOM_USE_QUANTITY             1
 938
 939 /* maximal size of level editor drawing area */
 940 #define MAX_ED_FIELDX                   (SCR_FIELDX)
 941 #define MAX_ED_FIELDY                   (SCR_FIELDY - 1)
 942
 943
 944 /*
 945   -----------------------------------------------------------------------------
 946   some internally used data structure definitions
 947   -----------------------------------------------------------------------------
 948 */
 949
 950 static struct
 951 {
 952   int graphic;
 953   int gadget_id;
 954   struct XY *pos;
 955   int gadget_type;
 956   char *infotext;
 957   char shortcut;
 958 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
 959 {
 960   /* note: some additional characters are already reserved for "cheat mode"
 961      shortcuts (":XYZ" style) -- for details, see "events.c" */
 962
 963   /* ---------- toolbox control buttons ------------------------------------ */
 964
 965   {
 966     IMG_EDITOR_BUTTON_GFX_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
 967     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
 968     "draw single items",                        's'
 969   },
 970   {
 971     IMG_EDITOR_BUTTON_GFX_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
 972     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
 973     "draw connected items",                     'd'
 974   },
 975   {
 976     IMG_EDITOR_BUTTON_GFX_DRAW_LINE,            GADGET_ID_LINE,
 977     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
 978     "draw lines",                               'l'
 979   },
 980   {
 981     IMG_EDITOR_BUTTON_GFX_DRAW_ARC,             GADGET_ID_ARC,
 982     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
 983     "draw arcs",                                'a'
 984   },
 985   {
 986     IMG_EDITOR_BUTTON_GFX_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
 987     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
 988     "draw outline rectangles",                  'r'
 989   },
 990   {
 991     IMG_EDITOR_BUTTON_GFX_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
 992     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
 993     "draw filled rectangles",                   'R'
 994   },
 995   {
 996     IMG_EDITOR_BUTTON_GFX_ROTATE_UP,            GADGET_ID_WRAP_UP,
 997     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
 998     "wrap (rotate) level up",                   0
 999   },
1000   {
1001     IMG_EDITOR_BUTTON_GFX_DRAW_TEXT,            GADGET_ID_TEXT,
1002     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1003     "enter text elements",                      't'
1004   },
1005   {
1006     IMG_EDITOR_BUTTON_GFX_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1007     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1008     "flood fill",                               'f'
1009   },
1010   {
1011     IMG_EDITOR_BUTTON_GFX_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1012     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1013     "wrap (rotate) level left",                 0
1014   },
1015   {
1016     IMG_EDITOR_BUTTON_GFX_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1017     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1018     "zoom level tile size",                     'z'
1019   },
1020   {
1021     IMG_EDITOR_BUTTON_GFX_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1022     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1023     "wrap (rotate) level right",                0
1024   },
1025   {
1026     IMG_EDITOR_BUTTON_GFX_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1027     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1028     "random element placement",                 0
1029   },
1030   {
1031     IMG_EDITOR_BUTTON_GFX_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1032     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1033     "grab brush",                               'b'
1034   },
1035   {
1036     IMG_EDITOR_BUTTON_GFX_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1037     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1038     "wrap (rotate) level down",                 0
1039   },
1040   {
1041     IMG_EDITOR_BUTTON_GFX_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1042     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1043     "pick drawing element",                     ','
1044   },
1045
1046   /* ---------- level control buttons -------------------------------------- */
1047
1048   {
1049     IMG_EDITOR_BUTTON_GFX_UNDO,                 GADGET_ID_UNDO,
1050     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1051     "undo last operation",                      'U'
1052   },
1053   {
1054     IMG_EDITOR_BUTTON_GFX_CONF,                 GADGET_ID_INFO,
1055     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1056     "properties of level",                      'I'
1057   },
1058   {
1059     IMG_EDITOR_BUTTON_GFX_SAVE,                 GADGET_ID_SAVE,
1060     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1061     "save level",                               'S'
1062   },
1063   {
1064     IMG_EDITOR_BUTTON_GFX_CLEAR,                GADGET_ID_CLEAR,
1065     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1066     "clear level",                              'C'
1067   },
1068   {
1069     IMG_EDITOR_BUTTON_GFX_TEST,                 GADGET_ID_TEST,
1070     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1071     "test level",                               'T'
1072   },
1073   {
1074     IMG_EDITOR_BUTTON_GFX_EXIT,                 GADGET_ID_EXIT,
1075     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1076     "exit level editor",                        'E'
1077   },
1078
1079   /* ---------- CE and GE control buttons ---------------------------------- */
1080
1081   {
1082     IMG_EDITOR_BUTTON_GFX_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1083     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1084     "copy settings from other element",         0
1085   },
1086   {
1087     IMG_EDITOR_BUTTON_GFX_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1088     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1089     "copy settings to other element",           0
1090   },
1091   {
1092     IMG_EDITOR_BUTTON_GFX_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1093     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1094     "exchange element with other element",      0
1095   },
1096   {
1097     IMG_EDITOR_BUTTON_GFX_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1098     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1099     "copy settings from this element",          0
1100   },
1101   {
1102     IMG_EDITOR_BUTTON_GFX_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1103     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1104     "paste settings to this element",           0
1105   },
1106
1107   /* ---------- palette control buttons ------------------------------------ */
1108
1109   {
1110     IMG_EDITOR_BUTTON_GFX_PROPERTIES,           GADGET_ID_PROPERTIES,
1111     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1112     "properties of drawing element",            'p'
1113   }
1114 };
1115
1116 static int random_placement_value = 10;
1117 static int random_placement_method = RANDOM_USE_QUANTITY;
1118 static int random_placement_background_element = EL_SAND;
1119 static boolean random_placement_background_restricted = FALSE;
1120 static boolean stick_element_properties_window = FALSE;
1121 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1122 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1123 static struct ElementChangeInfo custom_element_change;
1124 static struct ElementGroupInfo group_element_info;
1125 static struct ElementInfo custom_element;
1126
1127 static struct
1128 {
1129   int x, y;
1130   int min_value, max_value;
1131   int gadget_id_down, gadget_id_up;
1132   int gadget_id_text;
1133   int gadget_id_align;
1134   int *value;
1135   char *text_above, *text_left, *text_right;
1136 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1137 {
1138   /* ---------- current level number --------------------------------------- */
1139
1140   {
1141     -1, -1,     /* these values are not constant, but can change at runtime */
1142     1,                                  100,
1143     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1144     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1145     &level_nr,
1146     NULL,                               NULL, NULL
1147   },
1148
1149   /* ---------- level and editor settings ---------------------------------- */
1150
1151   {
1152     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1153     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1154     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1155     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1156     &level.fieldx,
1157     "playfield size:",                  NULL, "width",
1158   },
1159   {
1160     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1161     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1162     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1163     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1164     &level.fieldy,
1165     NULL,                               " ", "height",
1166   },
1167   {
1168     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1169     0,                                  999,
1170     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1171     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1172     &level.gems_needed,
1173     NULL,                               "number of gems to collect:", NULL
1174   },
1175   {
1176     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1177     0,                                  9999,
1178     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1179     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1180     &level.time,
1181     "time or step limit to solve level:", NULL, NULL
1182   },
1183   {
1184     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1185     0,                                  999,
1186     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1187     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1188     &level.score[SC_TIME_BONUS],
1189     "score for each second/step left:", NULL, NULL
1190   },
1191   {
1192     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1193     0,                                  9999,
1194     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1195     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1196     &level.random_seed,
1197     NULL,                               "random seed:", "(0 => random)"
1198   },
1199   {
1200     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1201     1,                                  100,
1202     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1203     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1204     &random_placement_value,
1205     "random element placement:",        NULL, "in"
1206   },
1207
1208   /* ---------- element settings: configure (various elements) ------------- */
1209
1210   {
1211     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1212     MIN_SCORE,                          MAX_SCORE,
1213     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1214     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1215     NULL,                               /* will be set when used */
1216     NULL,                               NULL, NULL
1217   },
1218   {
1219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1220     MIN_SCORE,                          MAX_SCORE,
1221     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1222     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1223     NULL,                               /* will be set when used */
1224     NULL,                               NULL, NULL
1225   },
1226   {
1227     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1228     MIN_SCORE,                          MAX_SCORE,
1229     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1230     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1231     NULL,                               /* will be set when used */
1232     NULL,                               NULL, NULL
1233   },
1234   {
1235     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1236     MIN_SCORE,                          MAX_SCORE,
1237     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1238     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1239     NULL,                               /* will be set when used */
1240     NULL,                               NULL, NULL
1241   },
1242   {
1243     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1244     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1245     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1246     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1247     &level.num_yamyam_contents,
1248     NULL,                               NULL, "number of content areas"
1249   },
1250   {
1251     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1252     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1253     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1254     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1255     &level.num_ball_contents,
1256     NULL,                               NULL, "number of content areas"
1257   },
1258   {
1259     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1260     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1261     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1262     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1263     &level.num_android_clone_elements,
1264     NULL,                               NULL, "number of clonable elements"
1265   },
1266   {
1267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1268     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1269     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1270     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1271     NULL,                               /* will be set when used */
1272     NULL,                               NULL, "width",
1273   },
1274   {
1275     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1276     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1277     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1278     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1279     NULL,                               /* will be set when used */
1280     NULL,                               " ", "height",
1281   },
1282   {
1283     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1284     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1285     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1286     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1287     &level.initial_inventory_size[0],
1288     NULL,                               NULL, "number of inventory elements"
1289   },
1290
1291   /* ---------- element settings: configure 1 (custom elements) ------------ */
1292
1293   {
1294     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1295     MIN_SCORE,                          MAX_SCORE,
1296     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1297     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1298     &custom_element.collect_score_initial,
1299     NULL,                               "CE score", " "
1300   },
1301   {
1302     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1303     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1304     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1305     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1306     &custom_element.collect_count_initial,
1307     NULL,                               "CE count", NULL
1308   },
1309   {
1310     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1311     0,                                  9999,
1312     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1313     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1314     &custom_element.ce_value_fixed_initial,
1315     NULL,                               "CE value", NULL
1316   },
1317   {
1318     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1319     0,                                  9999,
1320     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1321     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1322     &custom_element.ce_value_random_initial,
1323     NULL,                               "+random", NULL
1324   },
1325   {
1326     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1327     0,                                  999,
1328     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1329     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1330     &custom_element.push_delay_fixed,
1331     NULL,                               "push delay", NULL
1332   },
1333   {
1334     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1335     0,                                  999,
1336     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1337     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1338     &custom_element.push_delay_random,
1339     NULL,                               "+random", NULL
1340   },
1341   {
1342     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1343     0,                                  999,
1344     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1345     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1346     &custom_element.drop_delay_fixed,
1347     NULL,                               "drop delay", NULL
1348   },
1349   {
1350     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1351     0,                                  999,
1352     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1353     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1354     &custom_element.drop_delay_random,
1355     NULL,                               "+random", NULL
1356   },
1357
1358   /* ---------- element settings: configure 2 (custom elements) ------------ */
1359
1360   {
1361     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1362     0,                                  999,
1363     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1364     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1365     &custom_element.move_delay_fixed,
1366     NULL,                               "move delay", NULL
1367   },
1368   {
1369     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1370     0,                                  999,
1371     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1372     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1373     &custom_element.move_delay_random,
1374     NULL,                               "+random", NULL
1375   },
1376   {
1377     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1378     0,                                  999,
1379     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1380     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1381     &custom_element.explosion_delay,
1382     NULL,                               "explosion delay", NULL
1383   },
1384   {
1385     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1386     0,                                  999,
1387     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1388     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1389     &custom_element.ignition_delay,
1390     NULL,                               "ignition delay", "(by fire)"
1391   },
1392
1393   /* ---------- element settings: configure (group elements) --------------- */
1394
1395   {
1396     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1397     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1398     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1399     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1400     &group_element_info.num_elements,
1401     NULL,                               NULL, "number of elements in group"
1402   },
1403
1404   /* ---------- element settings: advanced (custom elements) --------------- */
1405
1406   {
1407     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1408     0,                                  999,
1409     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1410     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1411     &custom_element_change.delay_fixed,
1412     NULL,                               "CE delay", NULL,
1413   },
1414   {
1415     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1416     0,                                  999,
1417     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1418     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1419     &custom_element_change.delay_random,
1420     NULL,                               "+random", NULL
1421   },
1422   {
1423     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1424     0,                                  100,
1425     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1426     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1427     &custom_element_change.random_percentage,
1428     NULL,                               "use random replace:", "%"
1429   },
1430 };
1431
1432 static struct
1433 {
1434   int x, y;
1435   int gadget_id;
1436   int size;
1437   char *value;
1438   char *text_above, *infotext;
1439 } textinput_info[ED_NUM_TEXTINPUT] =
1440 {
1441   {
1442     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1443     GADGET_ID_LEVEL_NAME,
1444     MAX_LEVEL_NAME_LEN,
1445     level.name,
1446     "Title:", "Title"
1447   },
1448   {
1449     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1450     GADGET_ID_LEVEL_AUTHOR,
1451     MAX_LEVEL_AUTHOR_LEN,
1452     level.author,
1453     "Author:", "Author"
1454   },
1455   {
1456     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1457     GADGET_ID_ELEMENT_NAME,
1458     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1459     custom_element.description,
1460     NULL, "Element name"
1461   }
1462 };
1463
1464 static struct
1465 {
1466   int x, y;
1467   int gadget_id;
1468   int xsize, ysize;
1469   char *value;
1470   char *text_above, *infotext;
1471 } textarea_info[ED_NUM_TEXTAREAS] =
1472 {
1473   {
1474     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1475     GADGET_ID_ENVELOPE_INFO,
1476     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1477     NULL,
1478     "Envelope Content:", "Envelope Content"
1479   }
1480 };
1481
1482 static struct ValueTextInfo options_time_or_steps[] =
1483 {
1484   { 0,                          "seconds"                       },
1485   { 1,                          "steps"                         },
1486
1487   { -1,                         NULL                            }
1488 };
1489
1490 static struct ValueTextInfo options_game_engine_type[] =
1491 {
1492   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1493   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1494   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1495
1496   { -1,                         NULL                            }
1497 };
1498
1499 static struct ValueTextInfo options_wind_direction[] =
1500 {
1501   { MV_START_NONE,              "none"                          },
1502   { MV_START_LEFT,              "left"                          },
1503   { MV_START_RIGHT,             "right"                         },
1504   { MV_START_UP,                "up"                            },
1505   { MV_START_DOWN,              "down"                          },
1506
1507   { -1,                         NULL                            }
1508 };
1509
1510 static struct ValueTextInfo options_player_speed[] =
1511 {
1512   { 0,                          "frozen"                        },
1513   { 1,                          "very slow"                     },
1514   { 2,                          "slow"                          },
1515   { 4,                          "normal"                        },
1516   { 8,                          "fast"                          },
1517   { 16,                         "very fast"                     },
1518   { 32,                         "ultrafast"                     },
1519
1520   { -1,                         NULL                            }
1521 };
1522
1523 static struct ValueTextInfo options_access_type[] =
1524 {
1525   { EP_WALKABLE,                "walkable"                      },
1526   { EP_PASSABLE,                "passable"                      },
1527
1528   { -1,                         NULL                            }
1529 };
1530
1531 static struct ValueTextInfo options_access_layer[] =
1532 {
1533   { EP_ACCESSIBLE_OVER,         "over"                          },
1534   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1535   { EP_ACCESSIBLE_UNDER,        "under"                         },
1536
1537   { -1,                         NULL                            }
1538 };
1539
1540 static struct ValueTextInfo options_access_protected[] =
1541 {
1542   { 0,                          "unprotected"                   },
1543   { 1,                          "protected"                     },
1544
1545   { -1,                         NULL                            }
1546 };
1547
1548 static struct ValueTextInfo options_access_direction[] =
1549 {
1550   { MV_NO_DIRECTION,            "no direction"                  },
1551   { MV_LEFT,                    "left"                          },
1552   { MV_RIGHT,                   "right"                         },
1553   { MV_UP,                      "up"                            },
1554   { MV_DOWN,                    "down"                          },
1555   { MV_LEFT  | MV_UP,           "left + up"                     },
1556   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1557   { MV_RIGHT | MV_UP,           "right + up"                    },
1558   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1559   { MV_HORIZONTAL,              "horizontal"                    },
1560   { MV_VERTICAL,                "vertical"                      },
1561   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1562   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1563   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1564   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1565   { MV_ALL_DIRECTIONS,          "all directions"                },
1566
1567   { -1,                         NULL                            }
1568 };
1569
1570 static struct ValueTextInfo options_walk_to_action[] =
1571 {
1572   { EP_DIGGABLE,                "diggable"                      },
1573   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1574   { EP_DROPPABLE,               "collectible & droppable"       },
1575   { EP_THROWABLE,               "collectible & throwable"       },
1576   { EP_PUSHABLE,                "pushable"                      },
1577
1578   { -1,                         NULL                            }
1579 };
1580
1581 static struct ValueTextInfo options_move_pattern[] =
1582 {
1583   { MV_LEFT,                    "left"                          },
1584   { MV_RIGHT,                   "right"                         },
1585   { MV_UP,                      "up"                            },
1586   { MV_DOWN,                    "down"                          },
1587   { MV_HORIZONTAL,              "horizontal"                    },
1588   { MV_VERTICAL,                "vertical"                      },
1589   { MV_ALL_DIRECTIONS,          "all directions"                },
1590   { MV_WIND_DIRECTION,          "wind direction"                },
1591   { MV_TOWARDS_PLAYER,          "towards player"                },
1592   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1593   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1594   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1595   { MV_TURNING_LEFT,            "turning left"                  },
1596   { MV_TURNING_RIGHT,           "turning right"                 },
1597   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1598   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1599   { MV_TURNING_RANDOM,          "turning random"                },
1600   { MV_MAZE_RUNNER,             "maze runner style"             },
1601   { MV_MAZE_HUNTER,             "maze hunter style"             },
1602   { MV_WHEN_PUSHED,             "when pushed"                   },
1603   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1604
1605   { -1,                         NULL                            }
1606 };
1607
1608 static struct ValueTextInfo options_move_direction[] =
1609 {
1610   { MV_START_AUTOMATIC,         "automatic"                     },
1611   { MV_START_LEFT,              "left"                          },
1612   { MV_START_RIGHT,             "right"                         },
1613   { MV_START_UP,                "up"                            },
1614   { MV_START_DOWN,              "down"                          },
1615   { MV_START_RANDOM,            "random"                        },
1616   { MV_START_PREVIOUS,          "previous"                      },
1617
1618   { -1,                         NULL                            }
1619 };
1620
1621 static struct ValueTextInfo options_move_stepsize[] =
1622 {
1623   { 0,                          "not moving"                    },
1624   { 1,                          "very slow"                     },
1625   { 2,                          "slow"                          },
1626   { 4,                          "normal"                        },
1627   { 8,                          "fast"                          },
1628   { 16,                         "very fast"                     },
1629   { 32,                         "even faster"                   },
1630
1631   { -1,                         NULL                            }
1632 };
1633
1634 static struct ValueTextInfo options_move_leave_type[] =
1635 {
1636   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1637   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1638
1639   { -1,                         NULL                            }
1640 };
1641
1642 static struct ValueTextInfo options_smash_targets[] =
1643 {
1644   { EP_CAN_SMASH_PLAYER,        "player"                        },
1645 #if 0
1646   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1647 #endif
1648   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1649
1650   { -1,                         NULL                            }
1651 };
1652
1653 static struct ValueTextInfo options_slippery_type[] =
1654 {
1655   { SLIPPERY_ANY_RANDOM,        "random"                        },
1656   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1657   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1658   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1659   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1660
1661   { -1,                         NULL                            }
1662 };
1663
1664 static struct ValueTextInfo options_deadliness[] =
1665 {
1666   { EP_DONT_RUN_INTO,           "running into"                  },
1667   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1668   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1669   { EP_DONT_TOUCH,              "touching"                      },
1670
1671   { -1,                         NULL                            }
1672 };
1673
1674 static struct ValueTextInfo options_explosion_type[] =
1675 {
1676   { EXPLODES_3X3,               "3x3"                           },
1677   { EXPLODES_CROSS,             "3+3"                           },
1678   { EXPLODES_1X1,               "1x1"                           },
1679
1680   { -1,                         NULL                            }
1681 };
1682
1683 static struct ValueTextInfo options_time_units[] =
1684 {
1685   { 1,                          "frames"                        },
1686   { FRAMES_PER_SECOND,          "seconds"                       },
1687
1688   { -1,                         NULL                            }
1689 };
1690
1691 static struct ValueTextInfo options_change_direct_action[] =
1692 {
1693   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1694   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1695   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1696   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1697   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1698   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1699   { CE_LEFT_BY_PLAYER,          "left by player"                },
1700   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1701   { CE_SWITCHED,                "switched"                      },
1702   { CE_HITTING_SOMETHING,       "hitting something"             },
1703   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1704 #if 0
1705   { CE_BLOCKED,                 "blocked"                       },
1706 #endif
1707   { CE_IMPACT,                  "impact (on something)"         },
1708   { CE_SMASHED,                 "smashed (from above)"          },
1709 #if 0
1710   { CE_VALUE_CHANGES,           "CE value changes"              },
1711   { CE_SCORE_CHANGES,           "CE score changes"              },
1712 #endif
1713   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1714   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1715
1716   { -1,                         NULL                            }
1717 };
1718
1719 static struct ValueTextInfo options_change_other_action[] =
1720 {
1721   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1722   { CE_PLAYER_PRESSES_X,        "player presses"                },
1723   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1724   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1725   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1726   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1727   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1728   { CE_PLAYER_DIGS_X,           "player digs"                   },
1729   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1730   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1731   { CE_TOUCHING_X,              "touching"                      },
1732   { CE_HITTING_X,               "hitting"                       },
1733   { CE_DIGGING_X,               "digging"                       },
1734   { CE_HIT_BY_X,                "hit by"                        },
1735   { CE_SWITCH_OF_X,             "switch of"                     },
1736   { CE_CHANGE_OF_X,             "change by page of"             },
1737   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1738   { CE_MOVE_OF_X,               "move of"                       },
1739   { CE_CREATION_OF_X,           "creation of"                   },
1740   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1741   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1742   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1743   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1744
1745   { -1,                         NULL                            }
1746 };
1747
1748 static struct ValueTextInfo options_change_trigger_side[] =
1749 {
1750   { CH_SIDE_LEFT,               "left"                          },
1751   { CH_SIDE_RIGHT,              "right"                         },
1752   { CH_SIDE_TOP,                "top"                           },
1753   { CH_SIDE_BOTTOM,             "bottom"                        },
1754   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1755   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1756   { CH_SIDE_ANY,                "any"                           },
1757
1758   { -1,                         NULL                            }
1759 };
1760
1761 static struct ValueTextInfo options_change_trigger_player[] =
1762 {
1763   { CH_PLAYER_1,                "1"                             },
1764   { CH_PLAYER_2,                "2"                             },
1765   { CH_PLAYER_3,                "3"                             },
1766   { CH_PLAYER_4,                "4"                             },
1767   { CH_PLAYER_ANY,              "any"                           },
1768
1769   { -1,                         NULL                            }
1770 };
1771
1772 static struct ValueTextInfo options_change_trigger_page[] =
1773 {
1774   { (1 << 0),                   "1"                             },
1775   { (1 << 1),                   "2"                             },
1776   { (1 << 2),                   "3"                             },
1777   { (1 << 3),                   "4"                             },
1778   { (1 << 4),                   "5"                             },
1779   { (1 << 5),                   "6"                             },
1780   { (1 << 6),                   "7"                             },
1781   { (1 << 7),                   "8"                             },
1782   { (1 << 8),                   "9"                             },
1783   { (1 << 9),                   "10"                            },
1784   { (1 << 10),                  "11"                            },
1785   { (1 << 11),                  "12"                            },
1786   { (1 << 12),                  "13"                            },
1787   { (1 << 13),                  "14"                            },
1788   { (1 << 14),                  "15"                            },
1789   { (1 << 15),                  "16"                            },
1790   { (1 << 16),                  "17"                            },
1791   { (1 << 17),                  "18"                            },
1792   { (1 << 18),                  "19"                            },
1793   { (1 << 19),                  "20"                            },
1794   { (1 << 20),                  "21"                            },
1795   { (1 << 21),                  "22"                            },
1796   { (1 << 22),                  "23"                            },
1797   { (1 << 23),                  "24"                            },
1798   { (1 << 24),                  "25"                            },
1799   { (1 << 25),                  "26"                            },
1800   { (1 << 26),                  "27"                            },
1801   { (1 << 27),                  "28"                            },
1802   { (1 << 28),                  "29"                            },
1803   { (1 << 29),                  "30"                            },
1804   { (1 << 30),                  "31"                            },
1805   { (1 << 31),                  "32"                            },
1806   { CH_PAGE_ANY,                "any"                           },
1807
1808   { -1,                         NULL                            }
1809 };
1810
1811 static struct ValueTextInfo options_change_replace_when[] =
1812 {
1813   { CP_WHEN_EMPTY,              "empty"                         },
1814   { CP_WHEN_WALKABLE,           "walkable"                      },
1815   { CP_WHEN_DIGGABLE,           "diggable"                      },
1816   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1817   { CP_WHEN_REMOVABLE,          "removable"                     },
1818   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1819
1820   { -1,                         NULL                            }
1821 };
1822
1823 static struct ValueTextInfo options_action_type[] =
1824 {
1825   { CA_NO_ACTION,               "no action"                     },
1826   { CA_UNDEFINED,               " "                             },
1827   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1828   { CA_RESTART_LEVEL,           "restart level"                 },
1829   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1830   { CA_SET_LEVEL_TIME,          "set time"                      },
1831   { CA_SET_LEVEL_SCORE,         "set score"                     },
1832   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1833   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1834   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1835   { CA_UNDEFINED,               " "                             },
1836   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1837   { CA_MOVE_PLAYER,             "move player"                   },
1838   { CA_EXIT_PLAYER,             "exit player"                   },
1839   { CA_KILL_PLAYER,             "kill player"                   },
1840   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1841   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1842   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1843   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1844   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1845   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1846   { CA_UNDEFINED,               " "                             },
1847   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1848   { CA_SET_CE_VALUE,            "set CE value"                  },
1849   { CA_SET_CE_SCORE,            "set CE score"                  },
1850   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1851   { CA_UNDEFINED,               " "                             },
1852   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1853   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1854
1855   { -1,                         NULL                            }
1856 };
1857
1858 static struct ValueTextInfo options_action_mode_none[] =
1859 {
1860   { CA_MODE_UNDEFINED,          " "                             },
1861
1862   { -1,                         NULL                            }
1863 };
1864
1865 static struct ValueTextInfo options_action_mode_assign[] =
1866 {
1867   { CA_MODE_SET,                "="                             },
1868
1869   { -1,                         NULL                            }
1870 };
1871
1872 static struct ValueTextInfo options_action_mode_add_remove[] =
1873 {
1874   { CA_MODE_ADD,                "+"                             },
1875   { CA_MODE_SUBTRACT,           "-"                             },
1876
1877   { -1,                         NULL                            }
1878 };
1879
1880 static struct ValueTextInfo options_action_mode_calculate[] =
1881 {
1882   { CA_MODE_SET,                "="                             },
1883   { CA_MODE_ADD,                "+"                             },
1884   { CA_MODE_SUBTRACT,           "-"                             },
1885   { CA_MODE_MULTIPLY,           "*"                             },
1886   { CA_MODE_DIVIDE,             "/"                             },
1887   { CA_MODE_MODULO,             "%"                             },
1888
1889   { -1,                         NULL                            }
1890 };
1891
1892 static struct ValueTextInfo options_action_arg_none[] =
1893 {
1894   { CA_ARG_UNDEFINED,           "         "                     },
1895
1896   { -1,                         NULL                            }
1897 };
1898
1899 static struct ValueTextInfo options_action_arg_player[] =
1900 {
1901   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1902   { CA_ARG_PLAYER_1,            "1"                             },
1903   { CA_ARG_PLAYER_2,            "2"                             },
1904   { CA_ARG_PLAYER_3,            "3"                             },
1905   { CA_ARG_PLAYER_4,            "4"                             },
1906   { CA_ARG_PLAYER_ANY,          "any"                           },
1907   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1908   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1909
1910   { -1,                         NULL                            }
1911 };
1912
1913 static struct ValueTextInfo options_action_arg_number[] =
1914 {
1915   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1916   { CA_ARG_0,                   "0"                             },
1917   { CA_ARG_1,                   "1"                             },
1918   { CA_ARG_2,                   "2"                             },
1919   { CA_ARG_3,                   "3"                             },
1920   { CA_ARG_4,                   "4"                             },
1921   { CA_ARG_5,                   "5"                             },
1922   { CA_ARG_10,                  "10"                            },
1923   { CA_ARG_100,                 "100"                           },
1924   { CA_ARG_1000,                "1000"                          },
1925   { CA_ARG_UNDEFINED,           " "                             },
1926   { CA_ARG_NUMBER_MIN,          "min"                           },
1927   { CA_ARG_NUMBER_MAX,          "max"                           },
1928   { CA_ARG_UNDEFINED,           " "                             },
1929   { CA_ARG_NUMBER_RESET,        "reset"                         },
1930   { CA_ARG_UNDEFINED,           " "                             },
1931   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1932   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1933   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1934   { CA_ARG_UNDEFINED,           " "                             },
1935   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1936   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1937   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1938   { CA_ARG_UNDEFINED,           " "                             },
1939   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1940   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1941   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1942   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1943   { CA_ARG_UNDEFINED,           " "                             },
1944   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1945   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1946   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1947   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1948
1949   { -1,                         NULL                            }
1950 };
1951
1952 static struct ValueTextInfo options_action_arg_value[] =
1953 {
1954   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1955   { CA_ARG_0,                   "0"                             },
1956   { CA_ARG_1,                   "1"                             },
1957   { CA_ARG_2,                   "2"                             },
1958   { CA_ARG_3,                   "3"                             },
1959   { CA_ARG_4,                   "4"                             },
1960   { CA_ARG_5,                   "5"                             },
1961   { CA_ARG_10,                  "10"                            },
1962   { CA_ARG_100,                 "100"                           },
1963   { CA_ARG_1000,                "1000"                          },
1964   { CA_ARG_UNDEFINED,           " "                             },
1965   { CA_ARG_NUMBER_MIN,          "min"                           },
1966   { CA_ARG_NUMBER_MAX,          "max"                           },
1967   { CA_ARG_UNDEFINED,           " "                             },
1968   { CA_ARG_NUMBER_RESET,        "reset"                         },
1969   { CA_ARG_UNDEFINED,           " "                             },
1970   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1971   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1972   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1973   { CA_ARG_UNDEFINED,           " "                             },
1974   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1975   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1976   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1977   { CA_ARG_UNDEFINED,           " "                             },
1978   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1979   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1980   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1981   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1982   { CA_ARG_UNDEFINED,           " "                             },
1983   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1984   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1985   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1986   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1987   { CA_ARG_UNDEFINED,           " "                             },
1988   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1989   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1990   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1991   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1992
1993   { -1,                         NULL                            }
1994 };
1995
1996 static struct ValueTextInfo options_action_arg_envelope[] =
1997 {
1998   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1999   { CA_ARG_1,                   "1"                             },
2000   { CA_ARG_2,                   "2"                             },
2001   { CA_ARG_3,                   "3"                             },
2002   { CA_ARG_4,                   "4"                             },
2003   { CA_ARG_UNDEFINED,           " "                             },
2004   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2005   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2006   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2007   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2008
2009   { -1,                         NULL                            }
2010 };
2011
2012 static struct ValueTextInfo options_action_arg_key[] =
2013 {
2014   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2015   { CA_ARG_1,                   "1"                             },
2016   { CA_ARG_2,                   "2"                             },
2017   { CA_ARG_3,                   "3"                             },
2018   { CA_ARG_4,                   "4"                             },
2019   { CA_ARG_5,                   "5"                             },
2020   { CA_ARG_6,                   "6"                             },
2021   { CA_ARG_7,                   "7"                             },
2022   { CA_ARG_8,                   "8"                             },
2023   { CA_ARG_UNDEFINED,           " "                             },
2024   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2025   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2026   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2027   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2028
2029   { -1,                         NULL                            }
2030 };
2031
2032 static struct ValueTextInfo options_action_arg_speed[] =
2033 {
2034   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2035   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2036   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2037   { CA_ARG_SPEED_SLOW,          "slow"                          },
2038   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2039   { CA_ARG_SPEED_FAST,          "fast"                          },
2040   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2041   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2042   { CA_ARG_UNDEFINED,           " "                             },
2043   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2044   { CA_ARG_SPEED_FASTER,        "faster"                        },
2045   { CA_ARG_UNDEFINED,           " "                             },
2046   { CA_ARG_SPEED_RESET,         "reset"                         },
2047
2048   { -1,                         NULL                            }
2049 };
2050
2051 static struct ValueTextInfo options_action_arg_shield[] =
2052 {
2053   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2054   { CA_ARG_SHIELD_OFF,          "off"                           },
2055   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2056   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2057
2058   { -1,                         NULL                            }
2059 };
2060
2061 static struct ValueTextInfo options_action_arg_artwork[] =
2062 {
2063   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2064   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2065   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2066   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2067   { CA_ARG_UNDEFINED,           " "                             },
2068   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2069
2070   { -1,                         NULL                            }
2071 };
2072
2073 static struct ValueTextInfo options_action_arg_gravity[] =
2074 {
2075   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2076   { CA_ARG_GRAVITY_ON,          "on"                            },
2077   { CA_ARG_GRAVITY_OFF,         "off"                           },
2078   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2079
2080   { -1,                         NULL                            }
2081 };
2082
2083 static struct ValueTextInfo options_action_arg_direction[] =
2084 {
2085   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2086   { CA_ARG_DIRECTION_NONE,      "none"                          },
2087   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2088   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2089   { CA_ARG_DIRECTION_UP,        "up"                            },
2090   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2091   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2092   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2093
2094   { -1,                         NULL                            }
2095 };
2096
2097 static struct ValueTextInfo options_action_arg_scan_mode[] =
2098 {
2099   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2100   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2101   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2102
2103   { -1,                         NULL                            }
2104 };
2105
2106 static struct ValueTextInfo options_action_arg_inventory[] =
2107 {
2108   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2109   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2110   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2111   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2112   { CA_ARG_UNDEFINED,           " "                             },
2113   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2114   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2115   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2116   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2117   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2118   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2119   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2120   { CA_ARG_UNDEFINED,           " "                             },
2121   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2122
2123   { -1,                         NULL                            }
2124 };
2125
2126 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2127 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2128 {
2129   { -1,                         NULL                            }
2130 };
2131
2132 static struct ValueTextInfo options_group_choice_mode[] =
2133 {
2134   { ANIM_RANDOM,                "random"                        },
2135   { ANIM_LOOP,                  "loop"                          },
2136   { ANIM_LINEAR,                "linear"                        },
2137   { ANIM_PINGPONG,              "pingpong"                      },
2138   { ANIM_PINGPONG2,             "pingpong 2"                    },
2139
2140   { -1,                         NULL                            }
2141 };
2142
2143 static struct ValueTextInfo *action_arg_modes[] =
2144 {
2145   options_action_mode_none,
2146   options_action_mode_assign,
2147   options_action_mode_add_remove,
2148   options_action_mode_calculate,
2149 };
2150
2151 static struct
2152 {
2153   int value;
2154   int mode;
2155   struct ValueTextInfo *options;
2156 }
2157 action_arg_options[] =
2158 {
2159   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2160   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2161   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2162   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2163   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2164   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2165   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2166   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2167   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2168   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2169   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2170   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2171   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2172   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2173   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2174   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2175   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2176   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2177   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2178   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2179   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2180
2181   { -1,                         FALSE,  NULL                            }
2182 };
2183
2184 static struct
2185 {
2186   int x, y;
2187   int gadget_id;
2188   int gadget_id_align;
2189   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2190   struct ValueTextInfo *options;
2191   int *value;
2192   char *text_left, *text_right, *infotext;
2193 } selectbox_info[ED_NUM_SELECTBOX] =
2194 {
2195   /* ---------- level and editor settings ---------------------------------- */
2196
2197   {
2198     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2199     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2200     -1,
2201     options_time_or_steps,
2202     &level.use_step_counter,
2203     NULL, "(0 => no limit)",            "time or step limit"
2204   },
2205   {
2206     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2207     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2208     -1,
2209     options_game_engine_type,
2210     &level.game_engine_type,
2211     "game engine:", NULL,               "game engine"
2212   },
2213   {
2214     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2215     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2216     -1,
2217     options_wind_direction,
2218     &level.wind_direction_initial,
2219     "initial wind direction:", NULL,    "initial wind direction"
2220   },
2221
2222   /* ---------- element settings: configure (several elements) ------------- */
2223
2224   {
2225     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2226     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2227     -1,
2228     options_player_speed,
2229     &level.initial_player_stepsize[0],
2230     "initial player speed:", NULL,      "initial player speed"
2231   },
2232
2233   /* ---------- element settings: configure 1 (custom elements) ------------ */
2234
2235   {
2236     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2237     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2238     -1,
2239     options_access_type,
2240     &custom_element.access_type,
2241     NULL, NULL,                         "type of access to this field"
2242   },
2243   {
2244     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2245     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2246     -1,
2247     options_access_layer,
2248     &custom_element.access_layer,
2249     NULL, NULL,                         "layer of access for this field"
2250   },
2251   {
2252     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2253     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2254     -1,
2255     options_access_protected,
2256     &custom_element.access_protected,
2257     NULL, NULL,                         "protected access for this field"
2258   },
2259   {
2260     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2261     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2262     -1,
2263     options_access_direction,
2264     &custom_element.access_direction,
2265     "from", NULL,                       "access direction for this field"
2266   },
2267   {
2268     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2269     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2270     -1,
2271     options_walk_to_action,
2272     &custom_element.walk_to_action,
2273     NULL, NULL,                         "diggable/collectible/pushable"
2274   },
2275
2276   /* ---------- element settings: configure 2 (custom elements) ------------ */
2277
2278   {
2279     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2280     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2281     -1,
2282     options_move_pattern,
2283     &custom_element.move_pattern,
2284     "can move", NULL,                   "element move pattern"
2285   },
2286   {
2287     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2288     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2289     -1,
2290     options_move_direction,
2291     &custom_element.move_direction_initial,
2292     "starts moving", NULL,              "initial element move direction"
2293   },
2294   {
2295     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2296     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2297     -1,
2298     options_move_stepsize,
2299     &custom_element.move_stepsize,
2300     "move/fall speed", NULL,            "speed of element movement"
2301   },
2302   {
2303     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2304     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2305     -1,
2306     options_move_leave_type,
2307     &custom_element.move_leave_type,
2308     "can dig:    can", ":",             "leave behind or change element"
2309   },
2310   {
2311     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2312     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2313     -1,
2314     options_smash_targets,
2315     &custom_element.smash_targets,
2316     "can smash", NULL,                  "elements that can be smashed"
2317   },
2318   {
2319     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2320     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2321     -1,
2322     options_slippery_type,
2323     &custom_element.slippery_type,
2324     "slippery", NULL,                   "where other elements fall down"
2325   },
2326   {
2327     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2328     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2329     -1,
2330     options_deadliness,
2331     &custom_element.deadliness,
2332     "deadly when", NULL,                "deadliness of element"
2333   },
2334   {
2335     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2336     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2337     -1,
2338     options_explosion_type,
2339     &custom_element.explosion_type,
2340     "can explode", NULL,                "explosion type"
2341   },
2342
2343   /* ---------- element settings: advanced (custom elements) --------------- */
2344
2345   {
2346     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2347     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2348     -1,
2349     options_time_units,
2350     &custom_element_change.delay_frames,
2351     "delay time given in", NULL,        "delay time units for change"
2352   },
2353   {
2354     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2355     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2356     -1,
2357     options_change_direct_action,
2358     &custom_element_change.direct_action,
2359     NULL, NULL,                         "type of direct action"
2360   },
2361   {
2362     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2363     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2364     -1,
2365     options_change_other_action,
2366     &custom_element_change.other_action,
2367     NULL, "element:",                   "type of other element action"
2368   },
2369   {
2370     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2371     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2372     -1,
2373     options_change_trigger_side,
2374     &custom_element_change.trigger_side,
2375     "at", "side",                       "element side triggering change"
2376   },
2377   {
2378     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2379     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2380     -1,
2381     options_change_trigger_player,
2382     &custom_element_change.trigger_player,
2383     "player:", " ",                     "player that causes change"
2384   },
2385   {
2386     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2387     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2388     -1,
2389     options_change_trigger_page,
2390     &custom_element_change.trigger_page,
2391     "page:", NULL,                      "change page that causes change"
2392   },
2393   {
2394     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2395     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2396     -1,
2397     options_change_replace_when,
2398     &custom_element_change.replace_when,
2399     "replace when", NULL,               "which elements can be replaced"
2400   },
2401   {
2402     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2403     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2404     -1,
2405     options_action_type,
2406     &custom_element_change.action_type,
2407     NULL, NULL,                         "action on specified condition"
2408   },
2409   {
2410     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2411     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2412     -1,
2413     options_action_mode_none,
2414     &custom_element_change.action_mode,
2415     NULL, NULL,                         "action operator"
2416   },
2417   {
2418     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2419     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2420     -1,
2421     options_action_arg_none,
2422     &custom_element_change.action_arg,
2423     NULL, NULL,                         "action parameter"
2424   },
2425   {
2426     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2427     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2428     3,
2429     options_change_page,
2430     &custom_element.current_change_page,
2431     NULL, NULL,                         "element change page"
2432   },
2433
2434   /* ---------- element settings: configure (group elements) --------------- */
2435
2436   {
2437     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2438     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2439     -1,
2440     options_group_choice_mode,
2441     &group_element_info.choice_mode,
2442     "choice type:", NULL,               "type of group element choice"
2443   },
2444 };
2445
2446 static struct
2447 {
2448   int x, y;
2449   int gadget_id;
2450   int gadget_id_align;
2451   int size;
2452   char *text;
2453   char *text_left, *text_right, *infotext;
2454 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2455 {
2456   {
2457     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2458     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2459     8,                                  "Level",
2460     NULL, NULL,                         "Configure level properties"
2461   },
2462   {
2463     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2464     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2465     8,                                  "Editor",
2466     NULL, NULL,                         "Configure editor properties"
2467   },
2468   {
2469     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2470     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2471     8,                                  "Info",
2472     NULL, NULL,                         "Show information about element"
2473   },
2474   {
2475     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2476     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2477     8,                                  "Config",
2478     NULL, NULL,                         "Configure element properties"
2479   },
2480   {
2481     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2482     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2483     8,                                  "Config 1",
2484     NULL, NULL,                         "Configure element properties, part 1"
2485   },
2486   {
2487     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2488     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2489     8,                                  "Config 2",
2490     NULL, NULL,                         "Configure element properties, part 2"
2491   },
2492   {
2493     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2494     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2495     8,                                  "Change",
2496     NULL, NULL,                         "Configure custom element change pages"
2497   },
2498   {
2499     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2500     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2501     -1,                                 "Save",
2502     " ", "As Template",                 "Save current settings as new template"
2503   },
2504   {
2505     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2506     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2507     -1,                                 "New",
2508     NULL, NULL,                         "Add new change page"
2509   },
2510   {
2511     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2512     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2513     -1,                                 "Delete",
2514     NULL, NULL,                         "Delete current change page"
2515   },
2516 };
2517
2518 static struct
2519 {
2520   int gd_x, gd_y;
2521   int x, y;
2522   int width, height;
2523   int gadget_id;
2524   int gadget_id_align;
2525   char *text_left, *text_right, *infotext;
2526 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2527 {
2528   {
2529     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2530     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2531     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2532     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2533     NULL, NULL,                         "select previous change page"
2534   },
2535   {
2536     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2537     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2538     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2539     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2540     NULL, "change page",                "select next change page"
2541   },
2542   {
2543     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2544     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2545     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2546     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2547     " ", NULL,                          "copy settings from this change page"
2548   },
2549   {
2550     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2551     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2552     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2553     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2554     NULL, NULL,                         "paste settings to this change page"
2555   },
2556 };
2557
2558 static struct
2559 {
2560   int x, y;
2561 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2562
2563 static struct
2564 {
2565   int graphic;
2566   int gadget_id;
2567   char *infotext;
2568 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2569 {
2570   {
2571     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2572     GADGET_ID_SCROLL_UP,
2573     "scroll level editing area up"
2574   },
2575   {
2576     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2577     GADGET_ID_SCROLL_DOWN,
2578     "scroll level editing area down"
2579   },
2580   {
2581     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2582     GADGET_ID_SCROLL_LEFT,
2583     "scroll level editing area left"
2584   },
2585   {
2586     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2587     GADGET_ID_SCROLL_RIGHT,
2588     "scroll level editing area right"
2589   },
2590   {
2591     IMG_EDITOR_PALETTE_SCROLL_UP,
2592     GADGET_ID_SCROLL_LIST_UP,
2593     "scroll element list up ('Page Up')"
2594   },
2595   {
2596     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2597     GADGET_ID_SCROLL_LIST_DOWN,
2598     "scroll element list down ('Page Down')"
2599   },
2600 };
2601
2602 static struct
2603 {
2604   int x, y;
2605   int width, height;
2606   int wheel_x, wheel_y;
2607   int wheel_width, wheel_height;
2608 } scrollbar_pos[ED_NUM_SCROLLBARS];
2609
2610 static struct
2611 {
2612   int graphic;
2613   int type;
2614   int gadget_id;
2615   char *infotext;
2616 } scrollbar_info[ED_NUM_SCROLLBARS] =
2617 {
2618   {
2619     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2620     GD_TYPE_SCROLLBAR_HORIZONTAL,
2621     GADGET_ID_SCROLL_HORIZONTAL,
2622     "scroll level editing area horizontally"
2623   },
2624   {
2625     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2626     GD_TYPE_SCROLLBAR_VERTICAL,
2627     GADGET_ID_SCROLL_VERTICAL,
2628     "scroll level editing area vertically"
2629   },
2630   {
2631     IMG_EDITOR_PALETTE_SCROLLBAR,
2632     GD_TYPE_SCROLLBAR_VERTICAL,
2633     GADGET_ID_SCROLL_LIST_VERTICAL,
2634     "scroll element list vertically"
2635   }
2636 };
2637
2638
2639 static struct
2640 {
2641   int x, y;
2642   int gadget_id;
2643   int gadget_id_align;
2644   int radio_button_nr;
2645   int *value;
2646   int checked_value;
2647   char *text_left, *text_right, *infotext;
2648 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2649 {
2650   {
2651     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2652     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2653     RADIO_NR_RANDOM_ELEMENTS,
2654     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2655     " ", "percentage",                  "use percentage for random elements"
2656   },
2657   {
2658     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2659     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2660     RADIO_NR_RANDOM_ELEMENTS,
2661     &random_placement_method,           RANDOM_USE_QUANTITY,
2662     " ", "quantity",                    "use quantity for random elements"
2663   }
2664 };
2665
2666 static struct
2667 {
2668   int x, y;
2669   int gadget_id;
2670   int gadget_id_align;
2671   boolean *value;
2672   char *text_left, *text_right, *infotext;
2673 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2674 {
2675   /* ---------- level and editor settings ---------------------------------- */
2676
2677   {
2678     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2679     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2680     &random_placement_background_restricted,
2681     NULL,
2682     "restrict random placement to:",    "set random placement restriction"
2683   },
2684
2685   /* ---------- element settings: configure (various elements) ------------- */
2686
2687   {
2688     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2689     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2690     &stick_element_properties_window,
2691     NULL,
2692     "stick this screen to edit content","stick this screen to edit content"
2693   },
2694   {
2695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2696     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2697     &level.em_slippery_gems,
2698     NULL,
2699     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2700   },
2701   {
2702     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2703     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2704     &level.em_explodes_by_fire,
2705     NULL,
2706     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2707   },
2708   {
2709     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2710     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2711     &level.use_spring_bug,
2712     NULL,
2713     "use spring pushing bug",           "use odd spring pushing behaviour"
2714   },
2715   {
2716     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2717     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2718     &level.use_time_orb_bug,
2719     NULL,
2720     "use time orb bug",                 "use odd time orb behaviour"
2721   },
2722   {
2723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2724     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2725     &level.ball_random,
2726     NULL,
2727     "create single random element",     "only create one element from content"
2728   },
2729   {
2730     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2731     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2732     &level.ball_state_initial,
2733     NULL,
2734     "magic ball initially activated",   "activate magic ball after level start"
2735   },
2736   {
2737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2738     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2739     &level.grow_into_diggable,
2740     NULL,
2741     "can grow into anything diggable",  "grow into more than just sand"
2742   },
2743   {
2744     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2745     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2746     &level.auto_exit_sokoban,
2747     NULL,
2748     "exit level if all fields solved",  "automatically finish Sokoban levels"
2749   },
2750   {
2751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2752     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2753     &level.continuous_snapping,
2754     NULL,
2755     "continuous snapping",              "use snapping without releasing key"
2756   },
2757   {
2758     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2759     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2760     &level.block_snap_field,
2761     NULL,
2762     "block snapped field when snapping", "use snapping delay to show animation"
2763   },
2764   {
2765     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2766     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2767     &level.block_last_field,
2768     NULL,
2769     "block last field when moving",     "player blocks last field when moving"
2770   },
2771   {
2772     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2773     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2774     &level.sp_block_last_field,
2775     NULL,
2776     "block last field when moving",     "player blocks last field when moving"
2777   },
2778   {
2779     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2780     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2781     &level.instant_relocation,
2782     NULL,
2783     "no scrolling when relocating",     "player gets relocated without delay"
2784   },
2785   {
2786     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2787     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2788     &level.shifted_relocation,
2789     NULL,
2790     "no centering when relocating",     "level not centered after relocation"
2791   },
2792   {
2793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2794     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2795     &level.use_start_element[0],
2796     NULL,
2797     "use level start element:",        "start level at this element's position"
2798   },
2799   {
2800     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2801     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2802     &level.use_artwork_element[0],
2803     NULL,
2804     "use artwork from element:",        "use player artwork from other element"
2805   },
2806   {
2807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2808     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2809     &level.use_explosion_element[0],
2810     NULL,
2811     "use explosion from element:",      "use explosion properties from element"
2812   },
2813   {
2814     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2815     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2816     &level.initial_player_gravity[0],
2817     NULL,
2818     "use initial gravity",              "set initial player gravity"
2819   },
2820   {
2821     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2822     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2823     &level.use_initial_inventory[0],
2824     NULL,
2825     "use initial inventory:",           "use collected elements on level start"
2826   },
2827   {
2828     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2829     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2830     &level.can_pass_to_walkable,
2831     NULL,
2832     "can pass to walkable element",     "player can pass to empty or walkable"
2833   },
2834   {
2835     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2836     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2837     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2838     NULL,
2839     "can fall into acid (with gravity)","player can fall into acid pool"
2840   },
2841   {
2842     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2843     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2844     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2845     NULL,
2846     "can move into acid",               "element can move into acid pool"
2847   },
2848   {
2849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2850     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2851     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2852     NULL,
2853     "deadly when colliding with",       "element is deadly when hitting player"
2854   },
2855   {
2856     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2857     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2858     &level.envelope[0].autowrap,
2859     NULL,
2860     "auto-wrap",                        "automatically wrap envelope text"
2861   },
2862   {
2863     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2864     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2865     &level.envelope[0].centered,
2866     " ",
2867     "centered",                         "automatically center envelope text"
2868   },
2869
2870   /* ---------- element settings: configure 1 (custom elements) ----------- */
2871
2872   {
2873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2874     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2875     &custom_element.use_gfx_element,
2876     NULL,
2877     "use graphic of element:",          "use existing element graphic"
2878   },
2879   {
2880     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2881     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2882     &level.use_custom_template,
2883     NULL,
2884     "use template",                     "use template for custom properties"
2885   },
2886   {
2887     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2888     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2889     &custom_element_properties[EP_ACCESSIBLE],
2890     NULL,
2891     NULL,                               "player can walk to or pass this field"
2892   },
2893   {
2894     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2895     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2896     &custom_element_properties[EP_GRAVITY_REACHABLE],
2897     NULL,
2898     "reachable despite gravity",        "player can walk/dig despite gravity"
2899   },
2900   {
2901     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2902     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2903     &custom_element.use_last_ce_value,
2904     NULL,
2905     "use last CE value after change",   "use last CE value after change"
2906   },
2907   {
2908     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2909     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2910     &custom_element_properties[EP_WALK_TO_OBJECT],
2911     NULL,
2912     NULL,                               "player can dig/collect/push element"
2913   },
2914   {
2915     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2916     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2917     &custom_element_properties[EP_INDESTRUCTIBLE],
2918     NULL,
2919     "indestructible",                   "element is indestructible"
2920   },
2921
2922   /* ---------- element settings: configure 2 (custom elements) ----------- */
2923
2924   {
2925     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2926     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2927     &custom_element_properties[EP_CAN_MOVE],
2928     NULL,
2929     NULL,                               "element can move with some pattern"
2930   },
2931   {
2932     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2933     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2934     &custom_element_properties[EP_CAN_FALL],
2935     NULL,
2936     "can fall",                         "element can fall down"
2937   },
2938   {
2939     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2940     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2941     &custom_element_properties[EP_CAN_SMASH],
2942     " ",
2943     NULL,                               "element can smash other elements"
2944   },
2945   {
2946     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2947     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2948     &custom_element_properties[EP_SLIPPERY],
2949     NULL,
2950     NULL,                               "other elements can fall down from it"
2951   },
2952   {
2953     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2954     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2955     &custom_element_properties[EP_DEADLY],
2956     NULL,
2957     NULL,                               "element can kill the player"
2958   },
2959   {
2960     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2961     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2962     &custom_element_properties[EP_CAN_EXPLODE],
2963     NULL,
2964     NULL,                               "element can explode"
2965   },
2966   {
2967     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2968     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2969     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2970     NULL,
2971     "by fire",                          "element can explode by fire/explosion"
2972   },
2973   {
2974     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2975     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2976     &custom_element_properties[EP_EXPLODES_SMASHED],
2977     " ",
2978     "smashed",                          "element can explode when smashed"
2979   },
2980   {
2981     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2982     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2983     &custom_element_properties[EP_EXPLODES_IMPACT],
2984     " ",
2985     "impact",                           "element can explode on impact"
2986   },
2987
2988   /* ---------- element settings: advanced (custom elements) --------------- */
2989
2990   {
2991     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2992     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2993     &custom_element_change.can_change,
2994     NULL,
2995     "element changes to:",              "change element on specified condition"
2996   },
2997   {
2998     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2999     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3000     &custom_element_change_events[CE_DELAY],
3001     NULL,
3002     NULL,                               "element changes after delay"
3003   },
3004   {
3005     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3006     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3007     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3008     NULL,
3009     NULL,                               "element changes by direct action"
3010   },
3011   {
3012     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3013     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3014     &custom_element_change_events[CE_BY_OTHER_ACTION],
3015     NULL,
3016     NULL,                               "element changes by other element"
3017   },
3018   {
3019     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3020     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3021     &custom_element_change.explode,
3022     NULL,
3023     "explode instead of change",        "element explodes instead of change"
3024   },
3025   {
3026     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3027     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3028     &custom_element_change.use_target_content,
3029     NULL,
3030     "use extended change target:",      "element changes to more elements"
3031   },
3032   {
3033     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3034     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3035     &custom_element_change.only_if_complete,
3036     NULL,
3037     "replace all or nothing",           "only replace when all can be changed"
3038   },
3039   {
3040     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3041     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3042     &custom_element_change.use_random_replace,
3043     NULL,
3044     NULL,                               "use percentage for random replace"
3045   },
3046   {
3047     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3048     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3049     &custom_element_change.has_action,
3050     NULL,
3051     NULL,                               "execute action on specified condition"
3052   },
3053 };
3054
3055 static struct
3056 {
3057   int x, y;
3058   int gadget_id;
3059   int gadget_id_align;
3060   int *value;
3061   int area_xsize, area_ysize;
3062   char *text_left, *text_right, *text_below, *infotext;
3063 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3064 {
3065   /* ---------- level playfield content ------------------------------------ */
3066
3067   {
3068     0,                                  0,
3069     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3070     NULL,
3071     -1, -1,     /* these values are not constant, but can change at runtime */
3072     NULL, NULL, NULL,                   NULL
3073   },
3074
3075   /* ---------- yam yam content -------------------------------------------- */
3076
3077   {
3078     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3079     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3080     &level.yamyam_content[0].e[0][0],   3, 3,
3081     NULL, NULL, "1",                    NULL
3082   },
3083   {
3084     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3085     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3086     &level.yamyam_content[1].e[0][0],   3, 3,
3087     NULL, NULL, "2",                    NULL
3088   },
3089   {
3090     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3091     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3092     &level.yamyam_content[2].e[0][0],   3, 3,
3093     NULL, NULL, "3",                    NULL
3094   },
3095   {
3096     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3097     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3098     &level.yamyam_content[3].e[0][0],   3, 3,
3099     NULL, NULL, "4",                    NULL
3100   },
3101   {
3102     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3103     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3104     &level.yamyam_content[4].e[0][0],   3, 3,
3105     NULL, NULL, "5",                    NULL
3106   },
3107   {
3108     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3109     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3110     &level.yamyam_content[5].e[0][0],   3, 3,
3111     NULL, NULL, "6",                    NULL
3112   },
3113   {
3114     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3115     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3116     &level.yamyam_content[6].e[0][0],   3, 3,
3117     NULL, NULL, "7",                    NULL
3118   },
3119   {
3120     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3121     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3122     &level.yamyam_content[7].e[0][0],   3, 3,
3123     NULL, NULL, "8",                    NULL
3124   },
3125
3126   /* ---------- magic ball content ----------------------------------------- */
3127
3128   {
3129     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3130     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3131     &level.ball_content[0].e[0][0],     3, 3,
3132     NULL, NULL, "1",                    NULL
3133   },
3134   {
3135     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3136     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3137     &level.ball_content[1].e[0][0],     3, 3,
3138     NULL, NULL, "2",                    NULL
3139   },
3140   {
3141     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3142     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3143     &level.ball_content[2].e[0][0],     3, 3,
3144     NULL, NULL, "3",                    NULL
3145   },
3146   {
3147     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3148     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3149     &level.ball_content[3].e[0][0],     3, 3,
3150     NULL, NULL, "4",                    NULL
3151   },
3152   {
3153     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3154     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3155     &level.ball_content[4].e[0][0],     3, 3,
3156     NULL, NULL, "5",                    NULL
3157   },
3158   {
3159     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3160     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3161     &level.ball_content[5].e[0][0],     3, 3,
3162     NULL, NULL, "6",                    NULL
3163   },
3164   {
3165     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3166     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3167     &level.ball_content[6].e[0][0],     3, 3,
3168     NULL, NULL, "7",                    NULL
3169   },
3170   {
3171     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3172     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3173     &level.ball_content[7].e[0][0],     3, 3,
3174     NULL, NULL, "8",                    NULL
3175   },
3176
3177   /* ---------- android content -------------------------------------------- */
3178
3179   {
3180     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3181     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3182     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3183     "elements:", NULL, NULL,            "elements android can clone"
3184   },
3185
3186   /* ---------- amoeba content --------------------------------------------- */
3187
3188   {
3189     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3190     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3191     &level.amoeba_content,              1, 1,
3192     "content:", NULL, NULL,             "amoeba content"
3193   },
3194
3195   /* ---------- level start element ---------------------------------------- */
3196
3197   {
3198     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3199     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3200     &level.start_element[0],            1, 1,
3201     NULL, NULL, NULL,                   "level start element"
3202   },
3203
3204   /* ---------- player artwork element ------------------------------------- */
3205
3206   {
3207     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3208     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3209     &level.artwork_element[0],          1, 1,
3210     NULL, NULL, NULL,                   "element for player artwork"
3211   },
3212
3213   /* ---------- player explosion element ----------------------------------- */
3214
3215   {
3216     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3217     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3218     &level.explosion_element[0],        1, 1,
3219     NULL, NULL, NULL,                   "element for player explosion"
3220   },
3221
3222   /* ---------- player initial inventory ----------------------------------- */
3223
3224   {
3225     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3226     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3227     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3228     NULL, NULL, NULL,                   "content for initial inventory"
3229   },
3230
3231   /* ---------- element settings: configure 1 (custom elements) ----------- */
3232
3233   /* ---------- custom graphic --------------------------------------------- */
3234
3235   {
3236     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3237     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3238     &custom_element.gfx_element_initial,1, 1,
3239     NULL, NULL, NULL,                   "custom graphic element"
3240   },
3241
3242   /* ---------- element settings: configure 2 (custom elements) ----------- */
3243
3244   /* ---------- custom content (when exploding) ---------------------------- */
3245
3246   {
3247     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3248     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3249     &custom_element.content.e[0][0],    3, 3,
3250     "content:", NULL, NULL,             NULL
3251   },
3252
3253   /* ---------- custom enter and leave element (when moving) --------------- */
3254
3255   {
3256     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3257     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3258     &custom_element.move_enter_element, 1, 1,
3259     "can dig:", " ", NULL,              "element that can be digged/collected"
3260   },
3261   {
3262     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3263     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3264     &custom_element.move_leave_element, 1, 1,
3265     NULL, NULL, NULL,                   "element that will be left behind"
3266   },
3267
3268   /* ---------- element settings: advanced (custom elements) --------------- */
3269
3270   /* ---------- custom change target --------------------------------------- */
3271
3272   {
3273     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3274     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3275     &custom_element_change.target_element, 1, 1,
3276     NULL, "after/when:", NULL,          "new target element after change"
3277   },
3278
3279   /* ---------- custom change content (extended change target) ------------- */
3280
3281   {
3282     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3283     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3284     &custom_element_change.target_content.e[0][0], 3, 3,
3285     NULL, NULL, NULL,                   "new extended elements after change"
3286   },
3287
3288   /* ---------- custom change trigger (element causing change) ------------- */
3289
3290   {
3291     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3292     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3293     &custom_element_change.initial_trigger_element, 1, 1,
3294     NULL, NULL, NULL,                   "other element triggering change"
3295   },
3296
3297   /* ---------- custom change action (element used for action) ------------- */
3298
3299   {
3300     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3301     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3302     &custom_element_change.action_element, 1, 1,
3303     NULL, NULL, NULL,                   "element used as action parameter"
3304   },
3305
3306   /* ---------- group element content -------------------------------------- */
3307
3308   {
3309     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3310     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3311     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3312     "content:", NULL, NULL,             NULL
3313   },
3314
3315   /* ---------- random background (for random painting) -------------------- */
3316
3317   {
3318     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3319     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3320     &random_placement_background_element, 1, 1,
3321     NULL, NULL, NULL,                   "random placement background"
3322   },
3323 };
3324
3325
3326 /*
3327   -----------------------------------------------------------------------------
3328   some internally used variables
3329   -----------------------------------------------------------------------------
3330 */
3331
3332 /* actual size of level editor drawing area */
3333 static int ed_fieldx, ed_fieldy;
3334
3335 /* actual position of level editor drawing area in level playfield */
3336 static int level_xpos = -1, level_ypos = -1;
3337
3338 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3339
3340 /* drawing elements on the three mouse buttons */
3341 static int new_element1 = EL_WALL;
3342 static int new_element2 = EL_EMPTY;
3343 static int new_element3 = EL_SAND;
3344
3345 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3346 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3347                                 (button) == 2 ? new_element2 : \
3348                                 (button) == 3 ? new_element3 : EL_EMPTY)
3349 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3350
3351 /* forward declaration for internal use */
3352 static void ModifyEditorCounterValue(int, int);
3353 static void ModifyEditorCounterLimits(int, int, int);
3354 static void ModifyEditorSelectboxValue(int, int);
3355 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3356 static void ModifyEditorDrawingArea(int, int, int);
3357 static void ModifyEditorElementList();
3358 static void AdjustElementListScrollbar();
3359 static void RedrawDrawingElements();
3360 static void DrawDrawingWindow();
3361 static void DrawLevelInfoWindow();
3362 static void DrawPropertiesWindow();
3363 static void UpdateCustomElementGraphicGadgets();
3364 static boolean checkPropertiesConfig(int);
3365 static void CopyLevelToUndoBuffer(int);
3366 static void HandleDrawingAreas(struct GadgetInfo *);
3367 static void HandleCounterButtons(struct GadgetInfo *);
3368 static void HandleTextInputGadgets(struct GadgetInfo *);
3369 static void HandleTextAreaGadgets(struct GadgetInfo *);
3370 static void HandleSelectboxGadgets(struct GadgetInfo *);
3371 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3372 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3373 static void HandleRadiobuttons(struct GadgetInfo *);
3374 static void HandleCheckbuttons(struct GadgetInfo *);
3375 static void HandleControlButtons(struct GadgetInfo *);
3376 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3377 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3378
3379 static int num_editor_gadgets = 0;      /* dynamically determined */
3380
3381 static struct GadgetInfo **level_editor_gadget = NULL;
3382 static int *right_gadget_border = NULL;
3383
3384 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3385 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3386 static boolean draw_with_brush = FALSE;
3387 static int properties_element = 0;
3388
3389 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3390 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3391 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3392 static int undo_buffer_position = 0;
3393 static int undo_buffer_steps = 0;
3394
3395 static int edit_mode;
3396 static int edit_mode_levelinfo;
3397 static int edit_mode_properties;
3398
3399 static int element_shift = 0;
3400
3401 static int editor_el_players[] =
3402 {
3403   EL_PLAYER_1,
3404   EL_PLAYER_2,
3405   EL_PLAYER_3,
3406   EL_PLAYER_4
3407 };
3408 static int *editor_el_players_ptr = editor_el_players;
3409 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3410
3411 static int editor_hl_boulderdash[] =
3412 {
3413   EL_INTERNAL_CASCADE_BD_ACTIVE,
3414   EL_CHAR('B'),
3415   EL_CHAR('D'),
3416   EL_EMPTY,
3417 };
3418
3419 static int editor_el_boulderdash[] =
3420 {
3421   EL_EMPTY,
3422   EL_SAND,
3423   EL_BD_ROCK,
3424   EL_BD_DIAMOND,
3425
3426   EL_STEELWALL,
3427   EL_BD_WALL,
3428   EL_BD_EXPANDABLE_WALL,
3429   EL_BD_MAGIC_WALL,
3430
3431   EL_BD_AMOEBA,
3432   EL_BD_BUTTERFLY_UP,
3433   EL_BD_FIREFLY_UP,
3434   EL_EXIT_CLOSED,
3435
3436   EL_BD_BUTTERFLY_LEFT,
3437   EL_BD_FIREFLY_LEFT,
3438   EL_BD_BUTTERFLY_RIGHT,
3439   EL_BD_FIREFLY_RIGHT,
3440
3441   EL_EMPTY,
3442   EL_BD_BUTTERFLY_DOWN,
3443   EL_BD_FIREFLY_DOWN,
3444   EL_EXIT_OPEN,
3445 };
3446 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3447 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3448 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3449 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3450
3451 static int editor_hl_emerald_mine[] =
3452 {
3453   EL_INTERNAL_CASCADE_EM_ACTIVE,
3454   EL_CHAR('E'),
3455   EL_CHAR('M'),
3456   EL_EMPTY,
3457 };
3458
3459 static int editor_el_emerald_mine[] =
3460 {
3461   EL_SAND,
3462   EL_ROCK,
3463   EL_QUICKSAND_EMPTY,
3464   EL_QUICKSAND_FULL,
3465
3466   EL_STEELWALL,
3467   EL_WALL,
3468   EL_WALL_SLIPPERY,
3469   EL_MAGIC_WALL,
3470
3471   EL_EMERALD,
3472   EL_DIAMOND,
3473   EL_NUT,
3474   EL_BOMB,
3475
3476   EL_WALL_EMERALD,
3477   EL_WALL_DIAMOND,
3478   EL_DYNAMITE,
3479   EL_DYNAMITE_ACTIVE,
3480
3481   EL_YAMYAM,
3482   EL_BUG_UP,
3483   EL_SPACESHIP_UP,
3484   EL_ROBOT,
3485
3486   EL_BUG_LEFT,
3487   EL_SPACESHIP_LEFT,
3488   EL_BUG_RIGHT,
3489   EL_SPACESHIP_RIGHT,
3490
3491   EL_ROBOT_WHEEL,
3492   EL_BUG_DOWN,
3493   EL_SPACESHIP_DOWN,
3494   EL_INVISIBLE_WALL,
3495
3496   EL_ACID_POOL_TOPLEFT,
3497   EL_ACID,
3498   EL_ACID_POOL_TOPRIGHT,
3499   EL_AMOEBA_DROP,
3500
3501   EL_ACID_POOL_BOTTOMLEFT,
3502   EL_ACID_POOL_BOTTOM,
3503   EL_ACID_POOL_BOTTOMRIGHT,
3504   EL_AMOEBA_WET,
3505
3506   EL_EM_KEY_1,
3507   EL_EM_KEY_2,
3508   EL_EM_KEY_3,
3509   EL_EM_KEY_4,
3510
3511   EL_EM_GATE_1,
3512   EL_EM_GATE_2,
3513   EL_EM_GATE_3,
3514   EL_EM_GATE_4,
3515
3516   EL_EM_GATE_1_GRAY,
3517   EL_EM_GATE_2_GRAY,
3518   EL_EM_GATE_3_GRAY,
3519   EL_EM_GATE_4_GRAY,
3520
3521   EL_EM_EXIT_CLOSED,
3522   EL_EM_EXIT_OPEN,
3523   EL_EM_STEEL_EXIT_CLOSED,
3524   EL_EM_STEEL_EXIT_OPEN,
3525 };
3526 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3527 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3528 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3529 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3530
3531 static int editor_hl_emerald_mine_club[] =
3532 {
3533   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3534   EL_CHAR('E'),
3535   EL_CHAR('M'),
3536   EL_CHAR('C'),
3537 };
3538
3539 static int editor_el_emerald_mine_club[] =
3540 {
3541   EL_EMC_KEY_5,
3542   EL_EMC_KEY_6,
3543   EL_EMC_KEY_7,
3544   EL_EMC_KEY_8,
3545
3546   EL_EMC_GATE_5,
3547   EL_EMC_GATE_6,
3548   EL_EMC_GATE_7,
3549   EL_EMC_GATE_8,
3550
3551   EL_EMC_GATE_5_GRAY,
3552   EL_EMC_GATE_6_GRAY,
3553   EL_EMC_GATE_7_GRAY,
3554   EL_EMC_GATE_8_GRAY,
3555
3556   EL_EMC_STEELWALL_1,
3557   EL_EMC_STEELWALL_2,
3558   EL_EMC_STEELWALL_3,
3559   EL_EMC_STEELWALL_4,
3560
3561   EL_EMC_WALL_13,
3562   EL_EMC_WALL_14,
3563   EL_EMC_WALL_15,
3564   EL_EMC_WALL_16,
3565
3566   EL_EMC_WALL_SLIPPERY_1,
3567   EL_EMC_WALL_SLIPPERY_2,
3568   EL_EMC_WALL_SLIPPERY_3,
3569   EL_EMC_WALL_SLIPPERY_4,
3570
3571   EL_EMC_WALL_1,
3572   EL_EMC_WALL_2,
3573   EL_EMC_WALL_3,
3574   EL_EMC_WALL_4,
3575
3576   EL_EMC_WALL_5,
3577   EL_EMC_WALL_6,
3578   EL_EMC_WALL_7,
3579   EL_EMC_WALL_8,
3580
3581   EL_EMC_WALL_9,
3582   EL_EMC_WALL_10,
3583   EL_EMC_WALL_11,
3584   EL_EMC_WALL_12,
3585
3586   EL_EMC_GRASS,
3587   EL_EMC_FAKE_GRASS,
3588   EL_EMC_PLANT,
3589   EL_EMC_DRIPPER,
3590
3591   EL_EMC_MAGIC_BALL,
3592   EL_EMC_MAGIC_BALL_SWITCH,
3593   EL_SPRING,
3594   EL_EMC_SPRING_BUMPER,
3595
3596   EL_EMC_LENSES,
3597   EL_EMC_MAGNIFIER,
3598   EL_EM_DYNAMITE,
3599   EL_EM_DYNAMITE_ACTIVE,
3600
3601   EL_BALLOON,
3602   EL_YAMYAM_UP,
3603   EL_BALLOON_SWITCH_UP,
3604   EL_BALLOON_SWITCH_ANY,
3605
3606   EL_YAMYAM_LEFT,
3607   EL_BALLOON_SWITCH_LEFT,
3608   EL_YAMYAM_RIGHT,
3609   EL_BALLOON_SWITCH_RIGHT,
3610
3611   EL_EMC_ANDROID,
3612   EL_YAMYAM_DOWN,
3613   EL_BALLOON_SWITCH_DOWN,
3614   EL_BALLOON_SWITCH_NONE,
3615 };
3616 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3617 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3618 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3619 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3620
3621 static int editor_hl_rnd[] =
3622 {
3623   EL_INTERNAL_CASCADE_RND_ACTIVE,
3624   EL_CHAR('R'),
3625   EL_CHAR('N'),
3626   EL_CHAR('D'),
3627 };
3628
3629 static int editor_el_rnd[] =
3630 {
3631   EL_KEY_1,
3632   EL_KEY_2,
3633   EL_KEY_3,
3634   EL_KEY_4,
3635
3636   EL_GATE_1,
3637   EL_GATE_2,
3638   EL_GATE_3,
3639   EL_GATE_4,
3640
3641   EL_GATE_1_GRAY,
3642   EL_GATE_2_GRAY,
3643   EL_GATE_3_GRAY,
3644   EL_GATE_4_GRAY,
3645
3646   EL_ARROW_LEFT,
3647   EL_ARROW_RIGHT,
3648   EL_ARROW_UP,
3649   EL_ARROW_DOWN,
3650
3651   EL_AMOEBA_DEAD,
3652   EL_AMOEBA_DRY,
3653   EL_AMOEBA_FULL,
3654   EL_GAME_OF_LIFE,
3655
3656   EL_EMERALD_YELLOW,
3657   EL_EMERALD_RED,
3658   EL_EMERALD_PURPLE,
3659   EL_BIOMAZE,
3660
3661   EL_WALL_EMERALD_YELLOW,
3662   EL_WALL_EMERALD_RED,
3663   EL_WALL_EMERALD_PURPLE,
3664   EL_WALL_BD_DIAMOND,
3665
3666   EL_SPEED_PILL,
3667   EL_PACMAN_UP,
3668   EL_TIME_ORB_FULL,
3669   EL_TIME_ORB_EMPTY,
3670
3671   EL_PACMAN_LEFT,
3672   EL_DARK_YAMYAM,
3673   EL_PACMAN_RIGHT,
3674   EL_EMPTY,
3675
3676   EL_BLACK_ORB,
3677   EL_PACMAN_DOWN,
3678   EL_LAMP,
3679   EL_LAMP_ACTIVE,
3680
3681   EL_DYNABOMB_INCREASE_NUMBER,
3682   EL_DYNABOMB_INCREASE_SIZE,
3683   EL_DYNABOMB_INCREASE_POWER,
3684   EL_STONEBLOCK,
3685
3686   EL_MOLE,
3687   EL_PENGUIN,
3688   EL_PIG,
3689   EL_DRAGON,
3690
3691   EL_BUG,
3692   EL_MOLE_UP,
3693   EL_BD_BUTTERFLY,
3694   EL_BD_FIREFLY,
3695
3696   EL_MOLE_LEFT,
3697   EL_SATELLITE,
3698   EL_MOLE_RIGHT,
3699   EL_PACMAN,
3700
3701   EL_SPACESHIP,
3702   EL_MOLE_DOWN,
3703   EL_INVISIBLE_STEELWALL,
3704   EL_INVISIBLE_WALL,
3705
3706   EL_EXPANDABLE_WALL,
3707   EL_EXPANDABLE_WALL_HORIZONTAL,
3708   EL_EXPANDABLE_WALL_VERTICAL,
3709   EL_EXPANDABLE_WALL_ANY,
3710 };
3711 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3712 static int *editor_el_rnd_ptr = editor_el_rnd;
3713 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3714 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3715
3716 static int editor_hl_sokoban[] =
3717 {
3718   EL_INTERNAL_CASCADE_SB_ACTIVE,
3719   EL_CHAR('S'),
3720   EL_CHAR('B'),
3721   EL_EMPTY,
3722 };
3723
3724 static int editor_el_sokoban[] =
3725 {
3726   EL_SOKOBAN_OBJECT,
3727   EL_SOKOBAN_FIELD_EMPTY,
3728   EL_SOKOBAN_FIELD_FULL,
3729   EL_SOKOBAN_FIELD_PLAYER,
3730 };
3731 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3732 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3733 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3734 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3735
3736 static int editor_hl_supaplex[] =
3737 {
3738   EL_INTERNAL_CASCADE_SP_ACTIVE,
3739   EL_CHAR('S'),
3740   EL_CHAR('P'),
3741   EL_EMPTY,
3742 };
3743
3744 static int editor_el_supaplex[] =
3745 {
3746   EL_SP_MURPHY,
3747   EL_EMPTY,
3748   EL_SP_BASE,
3749   EL_SP_BUGGY_BASE,
3750
3751   EL_SP_INFOTRON,
3752   EL_SP_ZONK,
3753   EL_SP_SNIKSNAK,
3754   EL_SP_ELECTRON,
3755
3756   EL_SP_DISK_RED,
3757   EL_SP_DISK_ORANGE,
3758   EL_SP_DISK_YELLOW,
3759   EL_SP_TERMINAL,
3760
3761   EL_SP_EXIT_CLOSED,
3762   EL_SP_PORT_HORIZONTAL,
3763   EL_SP_PORT_VERTICAL,
3764   EL_SP_PORT_ANY,
3765
3766   EL_SP_PORT_LEFT,
3767   EL_SP_PORT_RIGHT,
3768   EL_SP_PORT_UP,
3769   EL_SP_PORT_DOWN,
3770
3771   EL_SP_GRAVITY_PORT_LEFT,
3772   EL_SP_GRAVITY_PORT_RIGHT,
3773   EL_SP_GRAVITY_PORT_UP,
3774   EL_SP_GRAVITY_PORT_DOWN,
3775
3776   EL_SP_GRAVITY_ON_PORT_LEFT,
3777   EL_SP_GRAVITY_ON_PORT_RIGHT,
3778   EL_SP_GRAVITY_ON_PORT_UP,
3779   EL_SP_GRAVITY_ON_PORT_DOWN,
3780
3781   EL_SP_GRAVITY_OFF_PORT_LEFT,
3782   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3783   EL_SP_GRAVITY_OFF_PORT_UP,
3784   EL_SP_GRAVITY_OFF_PORT_DOWN,
3785
3786   EL_SP_HARDWARE_GRAY,
3787   EL_SP_HARDWARE_GREEN,
3788   EL_SP_HARDWARE_BLUE,
3789   EL_SP_HARDWARE_RED,
3790
3791   EL_SP_HARDWARE_BASE_1,
3792   EL_SP_HARDWARE_BASE_2,
3793   EL_SP_HARDWARE_BASE_3,
3794   EL_SP_HARDWARE_BASE_4,
3795
3796   EL_SP_HARDWARE_BASE_5,
3797   EL_SP_HARDWARE_BASE_6,
3798   EL_SP_HARDWARE_YELLOW,
3799   EL_SP_CHIP_TOP,
3800
3801   EL_SP_CHIP_SINGLE,
3802   EL_SP_CHIP_LEFT,
3803   EL_SP_CHIP_RIGHT,
3804   EL_SP_CHIP_BOTTOM,
3805 };
3806 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3807 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3808 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3809 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3810
3811 static int editor_hl_diamond_caves[] =
3812 {
3813   EL_INTERNAL_CASCADE_DC_ACTIVE,
3814   EL_CHAR('D'),
3815   EL_CHAR('C'),
3816   EL_CHAR('2'),
3817 };
3818
3819 static int editor_el_diamond_caves[] =
3820 {
3821   EL_PEARL,
3822   EL_CRYSTAL,
3823   EL_WALL_PEARL,
3824   EL_WALL_CRYSTAL,
3825
3826   EL_CONVEYOR_BELT_1_LEFT,
3827   EL_CONVEYOR_BELT_1_MIDDLE,
3828   EL_CONVEYOR_BELT_1_RIGHT,
3829   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3830
3831   EL_CONVEYOR_BELT_2_LEFT,
3832   EL_CONVEYOR_BELT_2_MIDDLE,
3833   EL_CONVEYOR_BELT_2_RIGHT,
3834   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3835
3836   EL_CONVEYOR_BELT_3_LEFT,
3837   EL_CONVEYOR_BELT_3_MIDDLE,
3838   EL_CONVEYOR_BELT_3_RIGHT,
3839   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3840
3841   EL_CONVEYOR_BELT_4_LEFT,
3842   EL_CONVEYOR_BELT_4_MIDDLE,
3843   EL_CONVEYOR_BELT_4_RIGHT,
3844   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3845
3846   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3847   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3848   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3849   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3850
3851   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3852   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3853   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3854   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3855
3856   EL_TIMEGATE_CLOSED,
3857   EL_TIMEGATE_OPEN,
3858   EL_TIMEGATE_SWITCH,
3859   EL_DC_TIMEGATE_SWITCH,
3860
3861   EL_SWITCHGATE_CLOSED,
3862   EL_SWITCHGATE_OPEN,
3863   EL_SWITCHGATE_SWITCH_UP,
3864   EL_SWITCHGATE_SWITCH_DOWN,
3865
3866   EL_LIGHT_SWITCH,
3867   EL_LIGHT_SWITCH_ACTIVE,
3868   EL_DC_SWITCHGATE_SWITCH_UP,
3869   EL_DC_SWITCHGATE_SWITCH_DOWN,
3870
3871   EL_STEEL_EXIT_CLOSED,
3872   EL_STEEL_EXIT_OPEN,
3873   EL_STEELWALL_SLIPPERY,
3874   EL_INVISIBLE_SAND,
3875
3876   EL_QUICKSAND_FAST_EMPTY,
3877   EL_QUICKSAND_FAST_FULL,
3878   EL_LANDMINE,
3879   EL_DC_LANDMINE,
3880
3881   EL_SHIELD_NORMAL,
3882   EL_SHIELD_DEADLY,
3883   EL_EXTRA_TIME,
3884   EL_DC_MAGIC_WALL,
3885
3886   EL_ENVELOPE_1,
3887   EL_ENVELOPE_2,
3888   EL_ENVELOPE_3,
3889   EL_ENVELOPE_4,
3890
3891   EL_SIGN_RADIOACTIVITY,
3892   EL_SIGN_WHEELCHAIR,
3893   EL_SIGN_PARKING,
3894   EL_SIGN_NO_ENTRY,
3895
3896   EL_SIGN_GIVE_WAY,
3897   EL_SIGN_ENTRY_FORBIDDEN,
3898   EL_SIGN_EMERGENCY_EXIT,
3899   EL_SIGN_YIN_YANG,
3900
3901 #if 0
3902   EL_SIGN_SPERMS,
3903   EL_SIGN_BULLET,
3904   EL_SIGN_HEART,
3905   EL_SIGN_CROSS,
3906
3907   EL_SIGN_FRANKIE,
3908   EL_EMPTY,
3909   EL_EMPTY,
3910   EL_EMPTY,
3911
3912   EL_SPERMS,
3913   EL_BULLET,
3914   EL_HEART,
3915   EL_CROSS,
3916
3917   EL_FRANKIE,
3918   EL_EMPTY,
3919   EL_EMPTY,
3920   EL_EMPTY,
3921 #endif
3922
3923   EL_DC_STEELWALL_2_SINGLE,
3924   EL_DC_STEELWALL_2_TOP,
3925   EL_SIGN_EXCLAMATION,
3926   EL_SIGN_STOP,
3927
3928   EL_DC_STEELWALL_2_LEFT,
3929   EL_DC_STEELWALL_2_MIDDLE,
3930   EL_DC_STEELWALL_2_HORIZONTAL,
3931   EL_DC_STEELWALL_2_RIGHT,
3932
3933   EL_DC_STEELWALL_1_TOPLEFT,
3934   EL_DC_STEELWALL_2_VERTICAL,
3935   EL_DC_STEELWALL_1_TOPRIGHT,
3936   EL_DC_GATE_WHITE,
3937
3938   EL_DC_STEELWALL_1_VERTICAL,
3939   EL_DC_STEELWALL_2_BOTTOM,
3940   EL_DC_KEY_WHITE,
3941   EL_DC_GATE_WHITE_GRAY,
3942
3943   EL_DC_STEELWALL_1_BOTTOMLEFT,
3944   EL_DC_STEELWALL_1_HORIZONTAL,
3945   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3946   EL_DC_GATE_FAKE_GRAY,
3947
3948   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3949   EL_DC_STEELWALL_1_BOTTOM,
3950   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3951   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3952
3953   EL_DC_STEELWALL_1_RIGHT,
3954   EL_EMPTY,
3955   EL_DC_STEELWALL_1_LEFT,
3956   EL_EXPANDABLE_STEELWALL_VERTICAL,
3957
3958   EL_DC_STEELWALL_1_TOPRIGHT_2,
3959   EL_DC_STEELWALL_1_TOP,
3960   EL_DC_STEELWALL_1_TOPLEFT_2,
3961   EL_EXPANDABLE_STEELWALL_ANY,
3962 };
3963 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3964 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3965 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3966 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3967
3968 static int editor_hl_dx_boulderdash[] =
3969 {
3970   EL_INTERNAL_CASCADE_DX_ACTIVE,
3971   EL_CHAR('D'),
3972   EL_CHAR('X'),
3973   EL_EMPTY,
3974 };
3975
3976 static int editor_el_dx_boulderdash[] =
3977 {
3978   EL_EMPTY,
3979   EL_TUBE_RIGHT_DOWN,
3980   EL_TUBE_HORIZONTAL_DOWN,
3981   EL_TUBE_LEFT_DOWN,
3982
3983   EL_TUBE_HORIZONTAL,
3984   EL_TUBE_VERTICAL_RIGHT,
3985   EL_TUBE_ANY,
3986   EL_TUBE_VERTICAL_LEFT,
3987
3988   EL_TUBE_VERTICAL,
3989   EL_TUBE_RIGHT_UP,
3990   EL_TUBE_HORIZONTAL_UP,
3991   EL_TUBE_LEFT_UP,
3992
3993   EL_TRAP,
3994   EL_DX_SUPABOMB,
3995   EL_EMPTY,
3996   EL_EMPTY
3997 };
3998 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
3999 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4000 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4001 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4002
4003 static int editor_hl_chars[] =
4004 {
4005   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4006   EL_CHAR('T'),
4007   EL_CHAR('X'),
4008   EL_CHAR('T'),
4009 };
4010
4011 static int editor_el_chars[] =
4012 {
4013   EL_CHAR(' '),
4014   EL_CHAR('!'),
4015   EL_CHAR('"'),
4016   EL_CHAR('#'),
4017
4018   EL_CHAR('$'),
4019   EL_CHAR('%'),
4020   EL_CHAR('&'),
4021   EL_CHAR('\''),
4022
4023   EL_CHAR('('),
4024   EL_CHAR(')'),
4025   EL_CHAR('*'),
4026   EL_CHAR('+'),
4027
4028   EL_CHAR(','),
4029   EL_CHAR('-'),
4030   EL_CHAR('.'),
4031   EL_CHAR('/'),
4032
4033   EL_CHAR('0'),
4034   EL_CHAR('1'),
4035   EL_CHAR('2'),
4036   EL_CHAR('3'),
4037
4038   EL_CHAR('4'),
4039   EL_CHAR('5'),
4040   EL_CHAR('6'),
4041   EL_CHAR('7'),
4042
4043   EL_CHAR('8'),
4044   EL_CHAR('9'),
4045   EL_CHAR(':'),
4046   EL_CHAR(';'),
4047
4048   EL_CHAR('<'),
4049   EL_CHAR('='),
4050   EL_CHAR('>'),
4051   EL_CHAR('?'),
4052
4053   EL_CHAR('@'),
4054   EL_CHAR('A'),
4055   EL_CHAR('B'),
4056   EL_CHAR('C'),
4057
4058   EL_CHAR('D'),
4059   EL_CHAR('E'),
4060   EL_CHAR('F'),
4061   EL_CHAR('G'),
4062
4063   EL_CHAR('H'),
4064   EL_CHAR('I'),
4065   EL_CHAR('J'),
4066   EL_CHAR('K'),
4067
4068   EL_CHAR('L'),
4069   EL_CHAR('M'),
4070   EL_CHAR('N'),
4071   EL_CHAR('O'),
4072
4073   EL_CHAR('P'),
4074   EL_CHAR('Q'),
4075   EL_CHAR('R'),
4076   EL_CHAR('S'),
4077
4078   EL_CHAR('T'),
4079   EL_CHAR('U'),
4080   EL_CHAR('V'),
4081   EL_CHAR('W'),
4082
4083   EL_CHAR('X'),
4084   EL_CHAR('Y'),
4085   EL_CHAR('Z'),
4086   EL_CHAR('['),
4087
4088   EL_CHAR('\\'),
4089   EL_CHAR(']'),
4090   EL_CHAR('^'),
4091   EL_CHAR('_'),
4092
4093   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4094   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4095   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4096   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4097
4098   EL_CHAR(CHAR_BYTE_DEGREE),
4099   EL_CHAR(CHAR_BYTE_REGISTERED),
4100   EL_CHAR(FONT_ASCII_CURSOR),
4101   EL_CHAR(FONT_ASCII_BUTTON),
4102
4103   EL_CHAR(FONT_ASCII_UP),
4104   EL_CHAR(FONT_ASCII_DOWN),
4105   EL_CHAR(' '),
4106   EL_CHAR(' ')
4107 };
4108 static int *editor_hl_chars_ptr = editor_hl_chars;
4109 static int *editor_el_chars_ptr = editor_el_chars;
4110 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4111 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4112
4113 static int editor_hl_steel_chars[] =
4114 {
4115   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4116   EL_STEEL_CHAR('T'),
4117   EL_STEEL_CHAR('X'),
4118   EL_STEEL_CHAR('T'),
4119 };
4120
4121 static int editor_el_steel_chars[] =
4122 {
4123   EL_STEEL_CHAR(' '),
4124   EL_STEEL_CHAR('!'),
4125   EL_STEEL_CHAR('"'),
4126   EL_STEEL_CHAR('#'),
4127
4128   EL_STEEL_CHAR('$'),
4129   EL_STEEL_CHAR('%'),
4130   EL_STEEL_CHAR('&'),
4131   EL_STEEL_CHAR('\''),
4132
4133   EL_STEEL_CHAR('('),
4134   EL_STEEL_CHAR(')'),
4135   EL_STEEL_CHAR('*'),
4136   EL_STEEL_CHAR('+'),
4137
4138   EL_STEEL_CHAR(','),
4139   EL_STEEL_CHAR('-'),
4140   EL_STEEL_CHAR('.'),
4141   EL_STEEL_CHAR('/'),
4142
4143   EL_STEEL_CHAR('0'),
4144   EL_STEEL_CHAR('1'),
4145   EL_STEEL_CHAR('2'),
4146   EL_STEEL_CHAR('3'),
4147
4148   EL_STEEL_CHAR('4'),
4149   EL_STEEL_CHAR('5'),
4150   EL_STEEL_CHAR('6'),
4151   EL_STEEL_CHAR('7'),
4152
4153   EL_STEEL_CHAR('8'),
4154   EL_STEEL_CHAR('9'),
4155   EL_STEEL_CHAR(':'),
4156   EL_STEEL_CHAR(';'),
4157
4158   EL_STEEL_CHAR('<'),
4159   EL_STEEL_CHAR('='),
4160   EL_STEEL_CHAR('>'),
4161   EL_STEEL_CHAR('?'),
4162
4163   EL_STEEL_CHAR('@'),
4164   EL_STEEL_CHAR('A'),
4165   EL_STEEL_CHAR('B'),
4166   EL_STEEL_CHAR('C'),
4167
4168   EL_STEEL_CHAR('D'),
4169   EL_STEEL_CHAR('E'),
4170   EL_STEEL_CHAR('F'),
4171   EL_STEEL_CHAR('G'),
4172
4173   EL_STEEL_CHAR('H'),
4174   EL_STEEL_CHAR('I'),
4175   EL_STEEL_CHAR('J'),
4176   EL_STEEL_CHAR('K'),
4177
4178   EL_STEEL_CHAR('L'),
4179   EL_STEEL_CHAR('M'),
4180   EL_STEEL_CHAR('N'),
4181   EL_STEEL_CHAR('O'),
4182
4183   EL_STEEL_CHAR('P'),
4184   EL_STEEL_CHAR('Q'),
4185   EL_STEEL_CHAR('R'),
4186   EL_STEEL_CHAR('S'),
4187
4188   EL_STEEL_CHAR('T'),
4189   EL_STEEL_CHAR('U'),
4190   EL_STEEL_CHAR('V'),
4191   EL_STEEL_CHAR('W'),
4192
4193   EL_STEEL_CHAR('X'),
4194   EL_STEEL_CHAR('Y'),
4195   EL_STEEL_CHAR('Z'),
4196   EL_STEEL_CHAR('['),
4197
4198   EL_STEEL_CHAR('\\'),
4199   EL_STEEL_CHAR(']'),
4200   EL_STEEL_CHAR('^'),
4201   EL_STEEL_CHAR('_'),
4202
4203   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4204   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4205   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4206   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4207
4208   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4209   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4210   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4211   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4212
4213   EL_STEEL_CHAR(FONT_ASCII_UP),
4214   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4215   EL_STEEL_CHAR(' '),
4216   EL_STEEL_CHAR(' ')
4217 };
4218 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4219 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4220 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4221 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4222
4223 static int editor_hl_custom[] =
4224 {
4225   EL_INTERNAL_CASCADE_CE_ACTIVE,
4226   EL_CHAR('C'),
4227   EL_CHAR('E'),
4228   EL_EMPTY,
4229 };
4230
4231 static int editor_el_custom[] =
4232 {
4233   EL_CUSTOM_START + 0,
4234   EL_CUSTOM_START + 1,
4235   EL_CUSTOM_START + 2,
4236   EL_CUSTOM_START + 3,
4237
4238   EL_CUSTOM_START + 4,
4239   EL_CUSTOM_START + 5,
4240   EL_CUSTOM_START + 6,
4241   EL_CUSTOM_START + 7,
4242
4243   EL_CUSTOM_START + 8,
4244   EL_CUSTOM_START + 9,
4245   EL_CUSTOM_START + 10,
4246   EL_CUSTOM_START + 11,
4247
4248   EL_CUSTOM_START + 12,
4249   EL_CUSTOM_START + 13,
4250   EL_CUSTOM_START + 14,
4251   EL_CUSTOM_START + 15,
4252
4253   EL_CUSTOM_START + 16,
4254   EL_CUSTOM_START + 17,
4255   EL_CUSTOM_START + 18,
4256   EL_CUSTOM_START + 19,
4257
4258   EL_CUSTOM_START + 20,
4259   EL_CUSTOM_START + 21,
4260   EL_CUSTOM_START + 22,
4261   EL_CUSTOM_START + 23,
4262
4263   EL_CUSTOM_START + 24,
4264   EL_CUSTOM_START + 25,
4265   EL_CUSTOM_START + 26,
4266   EL_CUSTOM_START + 27,
4267
4268   EL_CUSTOM_START + 28,
4269   EL_CUSTOM_START + 29,
4270   EL_CUSTOM_START + 30,
4271   EL_CUSTOM_START + 31,
4272
4273   EL_CUSTOM_START + 32,
4274   EL_CUSTOM_START + 33,
4275   EL_CUSTOM_START + 34,
4276   EL_CUSTOM_START + 35,
4277
4278   EL_CUSTOM_START + 36,
4279   EL_CUSTOM_START + 37,
4280   EL_CUSTOM_START + 38,
4281   EL_CUSTOM_START + 39,
4282
4283   EL_CUSTOM_START + 40,
4284   EL_CUSTOM_START + 41,
4285   EL_CUSTOM_START + 42,
4286   EL_CUSTOM_START + 43,
4287
4288   EL_CUSTOM_START + 44,
4289   EL_CUSTOM_START + 45,
4290   EL_CUSTOM_START + 46,
4291   EL_CUSTOM_START + 47,
4292
4293   EL_CUSTOM_START + 48,
4294   EL_CUSTOM_START + 49,
4295   EL_CUSTOM_START + 50,
4296   EL_CUSTOM_START + 51,
4297
4298   EL_CUSTOM_START + 52,
4299   EL_CUSTOM_START + 53,
4300   EL_CUSTOM_START + 54,
4301   EL_CUSTOM_START + 55,
4302
4303   EL_CUSTOM_START + 56,
4304   EL_CUSTOM_START + 57,
4305   EL_CUSTOM_START + 58,
4306   EL_CUSTOM_START + 59,
4307
4308   EL_CUSTOM_START + 60,
4309   EL_CUSTOM_START + 61,
4310   EL_CUSTOM_START + 62,
4311   EL_CUSTOM_START + 63,
4312
4313   EL_CUSTOM_START + 64,
4314   EL_CUSTOM_START + 65,
4315   EL_CUSTOM_START + 66,
4316   EL_CUSTOM_START + 67,
4317
4318   EL_CUSTOM_START + 68,
4319   EL_CUSTOM_START + 69,
4320   EL_CUSTOM_START + 70,
4321   EL_CUSTOM_START + 71,
4322
4323   EL_CUSTOM_START + 72,
4324   EL_CUSTOM_START + 73,
4325   EL_CUSTOM_START + 74,
4326   EL_CUSTOM_START + 75,
4327
4328   EL_CUSTOM_START + 76,
4329   EL_CUSTOM_START + 77,
4330   EL_CUSTOM_START + 78,
4331   EL_CUSTOM_START + 79,
4332
4333   EL_CUSTOM_START + 80,
4334   EL_CUSTOM_START + 81,
4335   EL_CUSTOM_START + 82,
4336   EL_CUSTOM_START + 83,
4337
4338   EL_CUSTOM_START + 84,
4339   EL_CUSTOM_START + 85,
4340   EL_CUSTOM_START + 86,
4341   EL_CUSTOM_START + 87,
4342
4343   EL_CUSTOM_START + 88,
4344   EL_CUSTOM_START + 89,
4345   EL_CUSTOM_START + 90,
4346   EL_CUSTOM_START + 91,
4347
4348   EL_CUSTOM_START + 92,
4349   EL_CUSTOM_START + 93,
4350   EL_CUSTOM_START + 94,
4351   EL_CUSTOM_START + 95,
4352
4353   EL_CUSTOM_START + 96,
4354   EL_CUSTOM_START + 97,
4355   EL_CUSTOM_START + 98,
4356   EL_CUSTOM_START + 99,
4357
4358   EL_CUSTOM_START + 100,
4359   EL_CUSTOM_START + 101,
4360   EL_CUSTOM_START + 102,
4361   EL_CUSTOM_START + 103,
4362
4363   EL_CUSTOM_START + 104,
4364   EL_CUSTOM_START + 105,
4365   EL_CUSTOM_START + 106,
4366   EL_CUSTOM_START + 107,
4367
4368   EL_CUSTOM_START + 108,
4369   EL_CUSTOM_START + 109,
4370   EL_CUSTOM_START + 110,
4371   EL_CUSTOM_START + 111,
4372
4373   EL_CUSTOM_START + 112,
4374   EL_CUSTOM_START + 113,
4375   EL_CUSTOM_START + 114,
4376   EL_CUSTOM_START + 115,
4377
4378   EL_CUSTOM_START + 116,
4379   EL_CUSTOM_START + 117,
4380   EL_CUSTOM_START + 118,
4381   EL_CUSTOM_START + 119,
4382
4383   EL_CUSTOM_START + 120,
4384   EL_CUSTOM_START + 121,
4385   EL_CUSTOM_START + 122,
4386   EL_CUSTOM_START + 123,
4387
4388   EL_CUSTOM_START + 124,
4389   EL_CUSTOM_START + 125,
4390   EL_CUSTOM_START + 126,
4391   EL_CUSTOM_START + 127,
4392
4393   EL_CUSTOM_START + 128,
4394   EL_CUSTOM_START + 129,
4395   EL_CUSTOM_START + 130,
4396   EL_CUSTOM_START + 131,
4397
4398   EL_CUSTOM_START + 132,
4399   EL_CUSTOM_START + 133,
4400   EL_CUSTOM_START + 134,
4401   EL_CUSTOM_START + 135,
4402
4403   EL_CUSTOM_START + 136,
4404   EL_CUSTOM_START + 137,
4405   EL_CUSTOM_START + 138,
4406   EL_CUSTOM_START + 139,
4407
4408   EL_CUSTOM_START + 140,
4409   EL_CUSTOM_START + 141,
4410   EL_CUSTOM_START + 142,
4411   EL_CUSTOM_START + 143,
4412
4413   EL_CUSTOM_START + 144,
4414   EL_CUSTOM_START + 145,
4415   EL_CUSTOM_START + 146,
4416   EL_CUSTOM_START + 147,
4417
4418   EL_CUSTOM_START + 148,
4419   EL_CUSTOM_START + 149,
4420   EL_CUSTOM_START + 150,
4421   EL_CUSTOM_START + 151,
4422
4423   EL_CUSTOM_START + 152,
4424   EL_CUSTOM_START + 153,
4425   EL_CUSTOM_START + 154,
4426   EL_CUSTOM_START + 155,
4427
4428   EL_CUSTOM_START + 156,
4429   EL_CUSTOM_START + 157,
4430   EL_CUSTOM_START + 158,
4431   EL_CUSTOM_START + 159,
4432
4433   EL_CUSTOM_START + 160,
4434   EL_CUSTOM_START + 161,
4435   EL_CUSTOM_START + 162,
4436   EL_CUSTOM_START + 163,
4437
4438   EL_CUSTOM_START + 164,
4439   EL_CUSTOM_START + 165,
4440   EL_CUSTOM_START + 166,
4441   EL_CUSTOM_START + 167,
4442
4443   EL_CUSTOM_START + 168,
4444   EL_CUSTOM_START + 169,
4445   EL_CUSTOM_START + 170,
4446   EL_CUSTOM_START + 171,
4447
4448   EL_CUSTOM_START + 172,
4449   EL_CUSTOM_START + 173,
4450   EL_CUSTOM_START + 174,
4451   EL_CUSTOM_START + 175,
4452
4453   EL_CUSTOM_START + 176,
4454   EL_CUSTOM_START + 177,
4455   EL_CUSTOM_START + 178,
4456   EL_CUSTOM_START + 179,
4457
4458   EL_CUSTOM_START + 180,
4459   EL_CUSTOM_START + 181,
4460   EL_CUSTOM_START + 182,
4461   EL_CUSTOM_START + 183,
4462
4463   EL_CUSTOM_START + 184,
4464   EL_CUSTOM_START + 185,
4465   EL_CUSTOM_START + 186,
4466   EL_CUSTOM_START + 187,
4467
4468   EL_CUSTOM_START + 188,
4469   EL_CUSTOM_START + 189,
4470   EL_CUSTOM_START + 190,
4471   EL_CUSTOM_START + 191,
4472
4473   EL_CUSTOM_START + 192,
4474   EL_CUSTOM_START + 193,
4475   EL_CUSTOM_START + 194,
4476   EL_CUSTOM_START + 195,
4477
4478   EL_CUSTOM_START + 196,
4479   EL_CUSTOM_START + 197,
4480   EL_CUSTOM_START + 198,
4481   EL_CUSTOM_START + 199,
4482
4483   EL_CUSTOM_START + 200,
4484   EL_CUSTOM_START + 201,
4485   EL_CUSTOM_START + 202,
4486   EL_CUSTOM_START + 203,
4487
4488   EL_CUSTOM_START + 204,
4489   EL_CUSTOM_START + 205,
4490   EL_CUSTOM_START + 206,
4491   EL_CUSTOM_START + 207,
4492
4493   EL_CUSTOM_START + 208,
4494   EL_CUSTOM_START + 209,
4495   EL_CUSTOM_START + 210,
4496   EL_CUSTOM_START + 211,
4497
4498   EL_CUSTOM_START + 212,
4499   EL_CUSTOM_START + 213,
4500   EL_CUSTOM_START + 214,
4501   EL_CUSTOM_START + 215,
4502
4503   EL_CUSTOM_START + 216,
4504   EL_CUSTOM_START + 217,
4505   EL_CUSTOM_START + 218,
4506   EL_CUSTOM_START + 219,
4507
4508   EL_CUSTOM_START + 220,
4509   EL_CUSTOM_START + 221,
4510   EL_CUSTOM_START + 222,
4511   EL_CUSTOM_START + 223,
4512
4513   EL_CUSTOM_START + 224,
4514   EL_CUSTOM_START + 225,
4515   EL_CUSTOM_START + 226,
4516   EL_CUSTOM_START + 227,
4517
4518   EL_CUSTOM_START + 228,
4519   EL_CUSTOM_START + 229,
4520   EL_CUSTOM_START + 230,
4521   EL_CUSTOM_START + 231,
4522
4523   EL_CUSTOM_START + 232,
4524   EL_CUSTOM_START + 233,
4525   EL_CUSTOM_START + 234,
4526   EL_CUSTOM_START + 235,
4527
4528   EL_CUSTOM_START + 236,
4529   EL_CUSTOM_START + 237,
4530   EL_CUSTOM_START + 238,
4531   EL_CUSTOM_START + 239,
4532
4533   EL_CUSTOM_START + 240,
4534   EL_CUSTOM_START + 241,
4535   EL_CUSTOM_START + 242,
4536   EL_CUSTOM_START + 243,
4537
4538   EL_CUSTOM_START + 244,
4539   EL_CUSTOM_START + 245,
4540   EL_CUSTOM_START + 246,
4541   EL_CUSTOM_START + 247,
4542
4543   EL_CUSTOM_START + 248,
4544   EL_CUSTOM_START + 249,
4545   EL_CUSTOM_START + 250,
4546   EL_CUSTOM_START + 251,
4547
4548   EL_CUSTOM_START + 252,
4549   EL_CUSTOM_START + 253,
4550   EL_CUSTOM_START + 254,
4551   EL_CUSTOM_START + 255
4552 };
4553 static int *editor_hl_custom_ptr = editor_hl_custom;
4554 static int *editor_el_custom_ptr = editor_el_custom;
4555 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4556 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4557
4558 static int editor_hl_group[] =
4559 {
4560   EL_INTERNAL_CASCADE_GE_ACTIVE,
4561   EL_CHAR('G'),
4562   EL_CHAR('E'),
4563   EL_EMPTY,
4564 };
4565
4566 static int editor_el_group[] =
4567 {
4568   EL_GROUP_START + 0,
4569   EL_GROUP_START + 1,
4570   EL_GROUP_START + 2,
4571   EL_GROUP_START + 3,
4572
4573   EL_GROUP_START + 4,
4574   EL_GROUP_START + 5,
4575   EL_GROUP_START + 6,
4576   EL_GROUP_START + 7,
4577
4578   EL_GROUP_START + 8,
4579   EL_GROUP_START + 9,
4580   EL_GROUP_START + 10,
4581   EL_GROUP_START + 11,
4582
4583   EL_GROUP_START + 12,
4584   EL_GROUP_START + 13,
4585   EL_GROUP_START + 14,
4586   EL_GROUP_START + 15,
4587
4588   EL_GROUP_START + 16,
4589   EL_GROUP_START + 17,
4590   EL_GROUP_START + 18,
4591   EL_GROUP_START + 19,
4592
4593   EL_GROUP_START + 20,
4594   EL_GROUP_START + 21,
4595   EL_GROUP_START + 22,
4596   EL_GROUP_START + 23,
4597
4598   EL_GROUP_START + 24,
4599   EL_GROUP_START + 25,
4600   EL_GROUP_START + 26,
4601   EL_GROUP_START + 27,
4602
4603   EL_GROUP_START + 28,
4604   EL_GROUP_START + 29,
4605   EL_GROUP_START + 30,
4606   EL_GROUP_START + 31
4607 };
4608 static int *editor_hl_group_ptr = editor_hl_group;
4609 static int *editor_el_group_ptr = editor_el_group;
4610 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4611 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4612
4613 static int editor_hl_reference[] =
4614 {
4615   EL_INTERNAL_CASCADE_REF_ACTIVE,
4616   EL_CHAR('R'),
4617   EL_CHAR('E'),
4618   EL_CHAR('F')
4619 };
4620
4621 static int editor_el_reference[] =
4622 {
4623   EL_TRIGGER_PLAYER,
4624   EL_TRIGGER_ELEMENT,
4625   EL_TRIGGER_CE_VALUE,
4626   EL_TRIGGER_CE_SCORE,
4627
4628   EL_SELF,
4629   EL_ANY_ELEMENT,
4630   EL_CURRENT_CE_VALUE,
4631   EL_CURRENT_CE_SCORE,
4632
4633   EL_PREV_CE_8,
4634   EL_PREV_CE_7,
4635   EL_PREV_CE_6,
4636   EL_PREV_CE_5,
4637
4638   EL_PREV_CE_4,
4639   EL_PREV_CE_3,
4640   EL_PREV_CE_2,
4641   EL_PREV_CE_1,
4642
4643   EL_NEXT_CE_1,
4644   EL_NEXT_CE_2,
4645   EL_NEXT_CE_3,
4646   EL_NEXT_CE_4,
4647
4648   EL_NEXT_CE_5,
4649   EL_NEXT_CE_6,
4650   EL_NEXT_CE_7,
4651   EL_NEXT_CE_8,
4652 };
4653 static int *editor_hl_reference_ptr = editor_hl_reference;
4654 static int *editor_el_reference_ptr = editor_el_reference;
4655 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4656 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4657
4658 static int editor_hl_user_defined[] =
4659 {
4660   EL_INTERNAL_CASCADE_USER_ACTIVE,
4661   EL_CHAR('M'),
4662   EL_CHAR('Y'),
4663   EL_EMPTY,
4664 };
4665
4666 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4667 static int *editor_el_user_defined_ptr = NULL;
4668 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4669 static int num_editor_el_user_defined = 0;
4670
4671 static int editor_hl_dynamic[] =
4672 {
4673   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4674   EL_CHAR('U'),
4675   EL_CHAR('S'),
4676   EL_CHAR('E'),
4677 };
4678
4679 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4680 static int *editor_el_dynamic_ptr = NULL;
4681 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4682 static int num_editor_el_dynamic = 0;
4683
4684 static int editor_hl_empty[] = { EL_EMPTY };
4685 static int *editor_el_empty = NULL;     /* dynamically allocated */
4686
4687 static int *editor_hl_empty_ptr = editor_hl_empty;
4688 static int *editor_el_empty_ptr = NULL;
4689 static int num_editor_hl_empty = 0;
4690 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4691
4692 static boolean use_el_empty = FALSE;
4693
4694 static int *editor_elements = NULL;     /* dynamically allocated */
4695 static int num_editor_elements = 0;     /* dynamically determined */
4696
4697 static boolean setup_editor_show_always = TRUE;
4698 static boolean setup_editor_cascade_never = FALSE;
4699
4700 static int editor_hl_unused[] = { EL_EMPTY };
4701 static int *editor_hl_unused_ptr = editor_hl_unused;
4702 static int num_editor_hl_unused = 0;
4703
4704 static struct
4705 {
4706   boolean *setup_value;
4707   boolean *setup_cascade_value;
4708
4709   int **headline_list;
4710   int *headline_list_size;
4711
4712   int **element_list;
4713   int *element_list_size;
4714
4715   boolean last_setup_value;
4716 }
4717 editor_elements_info[] =
4718 {
4719   {
4720     &setup_editor_show_always,
4721     &setup_editor_cascade_never,
4722     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4723     &editor_el_players_ptr,             &num_editor_el_players
4724   },
4725   {
4726     &setup.editor.el_boulderdash,
4727     &setup.editor_cascade.el_bd,
4728     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4729     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4730   },
4731   {
4732     &setup.editor.el_emerald_mine,
4733     &setup.editor_cascade.el_em,
4734     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4735     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4736   },
4737   {
4738     &setup.editor.el_emerald_mine_club,
4739     &setup.editor_cascade.el_emc,
4740     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4741     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4742   },
4743   {
4744     &setup.editor.el_more,
4745     &setup.editor_cascade.el_rnd,
4746     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4747     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4748   },
4749   {
4750     &setup.editor.el_sokoban,
4751     &setup.editor_cascade.el_sb,
4752     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4753     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4754   },
4755   {
4756     &setup.editor.el_supaplex,
4757     &setup.editor_cascade.el_sp,
4758     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4759     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4760   },
4761   {
4762     &setup.editor.el_diamond_caves,
4763     &setup.editor_cascade.el_dc,
4764     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4765     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4766   },
4767   {
4768     &setup.editor.el_dx_boulderdash,
4769     &setup.editor_cascade.el_dx,
4770     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4771     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4772   },
4773   {
4774     &setup.editor.el_chars,
4775     &setup.editor_cascade.el_chars,
4776     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4777     &editor_el_chars_ptr,               &num_editor_el_chars
4778   },
4779   {
4780     &setup.editor.el_steel_chars,
4781     &setup.editor_cascade.el_steel_chars,
4782     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4783     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4784   },
4785   {
4786     &setup.editor.el_custom,
4787     &setup.editor_cascade.el_ce,
4788     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4789     &editor_el_custom_ptr,              &num_editor_el_custom
4790   },
4791   {
4792     &setup.editor.el_custom,
4793     &setup.editor_cascade.el_ge,
4794     &editor_hl_group_ptr,               &num_editor_hl_group,
4795     &editor_el_group_ptr,               &num_editor_el_group
4796   },
4797   {
4798     &setup.editor.el_custom,
4799     &setup.editor_cascade.el_ref,
4800     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4801     &editor_el_reference_ptr,           &num_editor_el_reference
4802   },
4803   {
4804     &setup.editor.el_user_defined,
4805     &setup.editor_cascade.el_user,
4806     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4807     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4808   },
4809   {
4810     &setup.editor.el_dynamic,
4811     &setup.editor_cascade.el_dynamic,
4812     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4813     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4814   },
4815   {
4816     &use_el_empty,
4817     &use_el_empty,
4818     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4819     &editor_el_empty_ptr,               &num_editor_el_empty,
4820   },
4821   {
4822     NULL,
4823     NULL,
4824     NULL,                               NULL,
4825     NULL,                               NULL
4826   }
4827 };
4828
4829
4830 /*
4831   -----------------------------------------------------------------------------
4832   functions
4833   -----------------------------------------------------------------------------
4834 */
4835
4836 static int getMaxInfoTextLength()
4837 {
4838   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4839 }
4840
4841 static int getTextWidthForGadget(char *text)
4842 {
4843   if (text == NULL)
4844     return 0;
4845
4846   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4847 }
4848
4849 static int getTextWidthForDrawingArea(char *text)
4850 {
4851   if (text == NULL)
4852     return 0;
4853
4854   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4855 }
4856
4857 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4858 {
4859   return (gi->x + gi->width + getTextWidthForGadget(text));
4860 }
4861
4862 static char *getElementInfoText(int element)
4863 {
4864   char *info_text = NULL;
4865
4866   if (element < MAX_NUM_ELEMENTS)
4867   {
4868     if (strlen(element_info[element].description) > 0)
4869       info_text = element_info[element].description;
4870     else if (element_info[element].custom_description != NULL)
4871       info_text = element_info[element].custom_description;
4872     else if (element_info[element].editor_description != NULL)
4873       info_text = element_info[element].editor_description;
4874   }
4875
4876   if (info_text == NULL)
4877     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4878
4879   return info_text;
4880 }
4881
4882 static char *getElementDescriptionFilenameExt(char *basename)
4883 {
4884   char *elements_subdir = "elements";
4885   static char *elements_subdir2 = NULL;
4886   static char *filename = NULL;
4887
4888   if (elements_subdir2 == NULL)
4889     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4890
4891   checked_free(filename);
4892
4893   /* 1st try: look for element description in current level set directory */
4894   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4895   if (fileExists(filename))
4896     return filename;
4897
4898   free(filename);
4899
4900   /* 2nd try: look for element description in the game's base directory */
4901   filename = getPath3(options.docs_directory, elements_subdir, basename);
4902   if (fileExists(filename))
4903     return filename;
4904
4905   return NULL;
4906 }
4907
4908 char *getElementDescriptionFilename(int element)
4909 {
4910   char basename[MAX_FILENAME_LEN];
4911   char *filename;
4912
4913   /* 1st try: look for element description file for exactly this element */
4914   sprintf(basename, "%s.txt", element_info[element].token_name);
4915   filename = getElementDescriptionFilenameExt(basename);
4916   if (filename != NULL)
4917     return filename;
4918
4919   /* 2nd try: look for element description file for this element's class */
4920   sprintf(basename, "%s.txt", element_info[element].class_name);
4921   filename = getElementDescriptionFilenameExt(basename);
4922   if (filename != NULL)
4923     return filename;
4924
4925   return NULL;
4926 }
4927
4928 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4929 {
4930   boolean element_found[NUM_FILE_ELEMENTS];
4931   int i, x, y;
4932
4933   /* initialize list of used elements to "not used" */
4934   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4935     element_found[i] = FALSE;
4936
4937   /* find all elements used in current level */
4938   for (y = 0; y < lev_fieldy; y++)
4939     for (x = 0; x < lev_fieldx; x++)
4940       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4941         element_found[Feld[x][y]] = TRUE;
4942
4943   *num_elements = 0;
4944
4945   /* count number of elements used in current level */
4946   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4947     if (element_found[i])
4948       (*num_elements)++;
4949
4950   /* add space for up to 3 more elements for padding that may be needed */
4951   *num_elements += 3;
4952
4953   /* free memory for old list of elements, if needed */
4954   checked_free(*elements);
4955
4956   /* allocate memory for new list of elements */
4957   *elements = checked_malloc(*num_elements * sizeof(int));
4958
4959   *num_elements = 0;
4960
4961   /* add all elements used in current level (non-custom/group elements) */
4962   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4963     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4964       (*elements)[(*num_elements)++] = i;
4965
4966   /* add all elements used in current level (custom/group elements) */
4967   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4968     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4969       (*elements)[(*num_elements)++] = i;
4970
4971   while (*num_elements % 4)     /* pad with empty elements, if needed */
4972     (*elements)[(*num_elements)++] = EL_EMPTY;
4973 }
4974
4975 static void ReinitializeElementList()
4976 {
4977   static boolean initialization_needed = TRUE;
4978   int pos = 0;
4979   int i, j;
4980
4981   if (initialization_needed)
4982   {
4983     LoadSetup_EditorCascade();          /* load last editor cascade state */
4984
4985     /* initialize editor cascade element from saved cascade state */
4986     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4987     {
4988       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4989       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4990
4991       if (IS_EDITOR_CASCADE(*cascade_element))
4992         *cascade_element =
4993           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4994            EL_CASCADE_INACTIVE(*cascade_element));
4995     }
4996
4997     initialization_needed = FALSE;
4998   }
4999
5000   checked_free(editor_elements);
5001
5002   /* reload optional user defined element list for each invocation of editor */
5003   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5004                                    &num_editor_el_user_defined);
5005
5006   /* initialize dynamic level element list for each invocation of editor */
5007   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5008                                &num_editor_el_dynamic);
5009
5010   /* initialize list of empty elements (used for padding, if needed) */
5011   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5012     editor_el_empty[i] = EL_EMPTY;
5013
5014   /* do some sanity checks for each element from element list */
5015   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5016   {
5017     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5018     {
5019       int element = (*editor_elements_info[i].element_list)[j];
5020
5021       if (element >= NUM_FILE_ELEMENTS)
5022         Error(ERR_WARN, "editor element %d is runtime element", element);
5023
5024       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5025         Error(ERR_WARN, "no element description for element %d", element);
5026     }
5027   }
5028
5029   num_editor_elements = 0;
5030   use_el_empty = FALSE;
5031
5032   /* determine size of element list */
5033   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5034   {
5035     boolean found_inactive_cascade = FALSE;
5036
5037     if (*editor_elements_info[i].setup_value)
5038     {
5039       if (setup.editor.el_headlines)
5040       {
5041         // required for correct padding of palette headline buttons
5042         if (*editor_elements_info[i].headline_list_size > 0)
5043           num_editor_elements += editor.palette.cols;
5044
5045         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5046         {
5047           int element = (*editor_elements_info[i].headline_list)[j];
5048
5049           if (IS_EDITOR_CASCADE_INACTIVE(element))
5050             found_inactive_cascade = TRUE;
5051         }
5052       }
5053
5054       if (found_inactive_cascade)
5055         continue;
5056
5057       // required for correct padding of palette element buttons
5058       int element_list_size = *editor_elements_info[i].element_list_size;
5059       int element_rows =
5060         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5061       int element_buttons = editor.palette.cols * element_rows;
5062
5063       num_editor_elements += element_buttons;
5064     }
5065   }
5066
5067   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5068   {
5069     /* offer at least as many elements as element buttons exist */
5070     use_el_empty = TRUE;
5071     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5072
5073     num_editor_elements += num_editor_el_empty;
5074   }
5075
5076   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5077
5078   /* fill element list */
5079   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5080   {
5081     boolean found_inactive_cascade = FALSE;
5082
5083     if (*editor_elements_info[i].setup_value)
5084     {
5085       if (setup.editor.el_headlines)
5086       {
5087         // required for correct padding of palette headline buttons
5088         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5089                              editor.palette.cols : 0);
5090
5091         for (j = 0; j < headline_size; j++)
5092         {
5093           // use empty elements for padding of palette headline buttons
5094           int element = (j < *editor_elements_info[i].headline_list_size ?
5095                          (*editor_elements_info[i].headline_list)[j] :
5096                          editor_el_empty[0]);
5097
5098           editor_elements[pos++] = element;
5099
5100           if (IS_EDITOR_CASCADE_INACTIVE(element))
5101             found_inactive_cascade = TRUE;
5102         }
5103       }
5104
5105       if (found_inactive_cascade)
5106         continue;
5107
5108       // required for correct padding of palette element buttons
5109       int element_list_size = *editor_elements_info[i].element_list_size;
5110       int element_rows =
5111         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5112       int element_buttons = editor.palette.cols * element_rows;
5113
5114       // copy all elements from element list
5115       for (j = 0; j < element_list_size; j++)
5116         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5117
5118       // use empty elements for padding of palette element buttons
5119       for (j = 0; j < element_buttons - element_list_size; j++)
5120         editor_elements[pos++] = editor_el_empty[0];
5121     }
5122   }
5123
5124   /* (this function is also called before editor gadgets are initialized!) */
5125   AdjustElementListScrollbar();
5126 }
5127
5128 void PrintEditorElementList()
5129 {
5130   boolean *stop = &setup.editor.el_user_defined;
5131   int i, j;
5132
5133   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5134   {
5135     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5136
5137     if (IS_EDITOR_CASCADE(cascade_element))
5138     {
5139       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5140       char *headline = element_info[cascade_element_show].editor_description;
5141
5142       printf_line_with_prefix("# ", "-", 77);
5143       printf("# %s\n", headline);
5144       printf_line_with_prefix("# ", "-", 77);
5145     }
5146
5147     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5148     {
5149       int element = (*editor_elements_info[i].headline_list)[j];
5150
5151       if (IS_EDITOR_CASCADE(element))
5152         element = EL_CHAR_MINUS;
5153
5154       printf("# %s\n", element_info[element].token_name);
5155     }
5156
5157     if (j > 0)
5158       printf("#\n");
5159
5160     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5161     {
5162       int element = (*editor_elements_info[i].element_list)[j];
5163
5164       printf("# %s\n", element_info[element].token_name);
5165     }
5166
5167     if (j > 0)
5168       printf("#\n");
5169   }
5170 }
5171
5172 static void ReinitializeElementListButtons()
5173 {
5174   static boolean last_setup_value_headlines = FALSE;
5175   static boolean initialization_needed = TRUE;
5176   int i;
5177
5178   if (!initialization_needed)   /* check if editor element setup has changed */
5179   {
5180     if (last_setup_value_headlines != setup.editor.el_headlines)
5181       initialization_needed = TRUE;
5182
5183     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5184       if (editor_elements_info[i].last_setup_value !=
5185           *editor_elements_info[i].setup_value)
5186         initialization_needed = TRUE;
5187   }
5188
5189   if (!initialization_needed)
5190     return;
5191
5192   FreeLevelEditorGadgets();
5193   CreateLevelEditorGadgets();
5194
5195   /* store current setup values for next invocation of this function */
5196   last_setup_value_headlines = setup.editor.el_headlines;
5197   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5198     editor_elements_info[i].last_setup_value =
5199       *editor_elements_info[i].setup_value;
5200
5201   initialization_needed = FALSE;
5202 }
5203
5204 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5205                               boolean input)
5206 {
5207   int border_graphic =
5208     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5209   Bitmap *src_bitmap;
5210   int src_x, src_y;
5211   int bx = (input ? ED_ELEMENT_BORDER_INPUT : ED_ELEMENT_BORDER);
5212   int by = (input ? ED_ELEMENT_BORDER_INPUT : ED_ELEMENT_BORDER);
5213   int bx2 = TILEX - bx;
5214   int by2 = TILEY - by;
5215   int i;
5216
5217   getFixedGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5218
5219   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5220              bx, by, dest_x - bx, dest_y - by);
5221   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5222              bx, by, dest_x + width, dest_y - by);
5223   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5224              bx, by, dest_x - bx, dest_y + height);
5225   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5226              bx, by, dest_x + width, dest_y + height);
5227
5228   for (i = 0; i < width / MINI_TILEX; i++)
5229   {
5230     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5231                dest_x + i * MINI_TILEX, dest_y - by);
5232     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5233                dest_x + i * MINI_TILEX, dest_y + height);
5234   }
5235
5236   for (i = 0; i < height / MINI_TILEY; i++)
5237   {
5238     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5239                dest_x - bx, dest_y + i * MINI_TILEY);
5240     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5241                dest_x + width, dest_y + i * MINI_TILEY);
5242   }
5243
5244   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5245 }
5246
5247 static void DrawDrawingArea(int id)
5248 {
5249   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5250   int x, y;
5251
5252   int *value = drawingarea_info[id].value;
5253   int area_xsize = drawingarea_info[id].area_xsize;
5254   int area_ysize = drawingarea_info[id].area_ysize;
5255
5256   for (x = 0; x < area_xsize; x++)
5257     for (y = 0; y < area_ysize; y++)
5258       DrawMiniGraphicExt(drawto,
5259                          gi->x + x * MINI_TILEX,
5260                          gi->y + y * MINI_TILEY,
5261                          el2edimg(value[x * area_ysize + y]));
5262 }
5263
5264 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5265 {
5266   int x, y;
5267   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5268   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5269
5270   BlitBitmap(drawto, drawto,
5271              SX + (dx == -1 ? MINI_TILEX : 0),
5272              SY + (dy == -1 ? MINI_TILEY : 0),
5273              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5274              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5275              SX + (dx == +1 ? MINI_TILEX : 0),
5276              SY + (dy == +1 ? MINI_TILEY : 0));
5277
5278   if (dx)
5279   {
5280     x = (dx == 1 ? 0 : ed_fieldx - 1);
5281     for (y = 0; y < ed_fieldy; y++)
5282       DrawMiniElementOrWall(x, y, from_x, from_y);
5283   }
5284   else if (dy)
5285   {
5286     y = (dy == 1 ? 0 : ed_fieldy - 1);
5287     for (x = 0; x < ed_fieldx; x++)
5288       DrawMiniElementOrWall(x, y, from_x, from_y);
5289   }
5290
5291   redraw_mask |= REDRAW_FIELD;
5292   BackToFront();
5293 }
5294
5295 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5296 {
5297   int graphic = el2edimg(element);
5298   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5299                    MINI_TILESIZE);
5300
5301   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5302 }
5303
5304 static void CreateControlButtons()
5305 {
5306   struct GadgetInfo *gi;
5307   int i;
5308
5309   /* create toolbox buttons */
5310   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5311   {
5312     int id = controlbutton_info[i].gadget_id;
5313     int type = controlbutton_info[i].gadget_type;
5314     int graphic = controlbutton_info[i].graphic;
5315     struct XY *pos = controlbutton_info[i].pos;
5316     struct GraphicInfo *gd = &graphic_info[graphic];
5317     Bitmap *gd_bitmap = gd->bitmap;
5318     int gd_x1 = gd->src_x;
5319     int gd_y1 = gd->src_y;
5320     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5321     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5322     int gd_x1a = gd->src_x + gd->active_xoffset;
5323     int gd_y1a = gd->src_y + gd->active_yoffset;
5324     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5325     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5326     int width  = gd->width;
5327     int height = gd->height;
5328     int x = pos->x;
5329     int y = pos->y;
5330     unsigned int event_mask;
5331     int radio_button_nr = RADIO_NR_NONE;
5332     boolean checked = FALSE;
5333
5334     if (type == GD_TYPE_RADIO_BUTTON)
5335     {
5336       event_mask = GD_EVENT_PRESSED;
5337       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5338
5339       if (id == drawing_function)
5340         checked = TRUE;
5341     }
5342     else
5343     {
5344       if (id == GADGET_ID_WRAP_LEFT ||
5345           id == GADGET_ID_WRAP_RIGHT ||
5346           id == GADGET_ID_WRAP_UP ||
5347           id == GADGET_ID_WRAP_DOWN)
5348         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5349       else
5350         event_mask = GD_EVENT_RELEASED;
5351     }
5352
5353     if (id == GADGET_ID_PROPERTIES)
5354     {
5355       x += DX;
5356       y += DY;
5357     }
5358     else
5359     {
5360       x += EX;
5361       y += EY;
5362     }
5363
5364     gi = CreateGadget(GDI_CUSTOM_ID, id,
5365                       GDI_CUSTOM_TYPE_ID, i,
5366                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5367                       GDI_X, x,
5368                       GDI_Y, y,
5369                       GDI_WIDTH, width,
5370                       GDI_HEIGHT, height,
5371                       GDI_TYPE, type,
5372                       GDI_STATE, GD_BUTTON_UNPRESSED,
5373                       GDI_RADIO_NR, radio_button_nr,
5374                       GDI_CHECKED, checked,
5375                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5376                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5377                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1a, gd_y1a,
5378                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2a, gd_y2a,
5379                       GDI_EVENT_MASK, event_mask,
5380                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5381                       GDI_CALLBACK_ACTION, HandleControlButtons,
5382                       GDI_END);
5383
5384     if (gi == NULL)
5385       Error(ERR_EXIT, "cannot create gadget");
5386
5387     level_editor_gadget[id] = gi;
5388   }
5389
5390   /* these values are not constant, but can change at runtime */
5391   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5392   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5393   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5394   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5395   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5396   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5397   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5398   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5399   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5400   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5401   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5402   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5403
5404   /* create buttons for scrolling of drawing area and element list */
5405   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5406   {
5407     int id = scrollbutton_info[i].gadget_id;
5408     int graphic = scrollbutton_info[i].graphic;
5409     struct GraphicInfo *gd = &graphic_info[graphic];
5410     Bitmap *gd_bitmap = gd->bitmap;
5411     int gd_x1 = gd->src_x;
5412     int gd_y1 = gd->src_y;
5413     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5414     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5415     int width  = gd->width;
5416     int height = gd->height;
5417     int x = scrollbutton_pos[i].x;
5418     int y = scrollbutton_pos[i].y;
5419     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5420
5421     if (id == GADGET_ID_SCROLL_LIST_UP ||
5422         id == GADGET_ID_SCROLL_LIST_DOWN)
5423     {
5424       x += DX;
5425       y += DY;
5426     }
5427     else
5428     {
5429       x += SX;
5430       y += SY;
5431     }
5432
5433     gi = CreateGadget(GDI_CUSTOM_ID, id,
5434                       GDI_CUSTOM_TYPE_ID, i,
5435                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5436                       GDI_X, x,
5437                       GDI_Y, y,
5438                       GDI_WIDTH, width,
5439                       GDI_HEIGHT, height,
5440                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5441                       GDI_STATE, GD_BUTTON_UNPRESSED,
5442                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5443                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5444                       GDI_EVENT_MASK, event_mask,
5445                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5446                       GDI_CALLBACK_ACTION, HandleControlButtons,
5447                       GDI_END);
5448
5449     if (gi == NULL)
5450       Error(ERR_EXIT, "cannot create gadget");
5451
5452     level_editor_gadget[id] = gi;
5453   }
5454
5455   /* create buttons for element list */
5456   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5457   {
5458     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5459     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5460     struct GraphicInfo *gd = &graphic_info[graphic];
5461     Bitmap *gd_bitmap = gd->bitmap;
5462     Bitmap *deco_bitmap;
5463     int deco_x, deco_y, deco_xpos, deco_ypos;
5464     int gd_x1 = gd->src_x;
5465     int gd_y1 = gd->src_y;
5466     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5467     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5468     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5469     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5470     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5471     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5472     int element = editor_elements[i];
5473     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5474                      MINI_TILESIZE);
5475     unsigned int event_mask = GD_EVENT_RELEASED;
5476
5477     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5478     deco_xpos = (gd->width  - tile_size) / 2;
5479     deco_ypos = (gd->height - tile_size) / 2;
5480
5481     gi = CreateGadget(GDI_CUSTOM_ID, id,
5482                       GDI_CUSTOM_TYPE_ID, i,
5483                       GDI_INFO_TEXT, getElementInfoText(element),
5484                       GDI_X, x,
5485                       GDI_Y, y,
5486                       GDI_WIDTH, gd->width,
5487                       GDI_HEIGHT, gd->height,
5488                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5489                       GDI_STATE, GD_BUTTON_UNPRESSED,
5490                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5491                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5492                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5493                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5494                       GDI_DECORATION_SIZE, tile_size, tile_size,
5495                       GDI_DECORATION_SHIFTING, 1, 1,
5496                       GDI_EVENT_MASK, event_mask,
5497                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5498                       GDI_CALLBACK_ACTION, HandleControlButtons,
5499                       GDI_END);
5500
5501     if (gi == NULL)
5502       Error(ERR_EXIT, "cannot create gadget");
5503
5504     level_editor_gadget[id] = gi;
5505   }
5506 }
5507
5508 static void CreateCounterButtons()
5509 {
5510   int max_infotext_len = getMaxInfoTextLength();
5511   int i;
5512
5513   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5514   {
5515     int j;
5516     int x = SX + counterbutton_info[i].x;       /* down count button */
5517     int y = SY + counterbutton_info[i].y;
5518
5519     /* determine horizontal position to the right of specified gadget */
5520     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5521       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5522            ED_GADGET_TEXT_DISTANCE);
5523
5524     /* determine horizontal offset for leading text */
5525     if (counterbutton_info[i].text_left != NULL)
5526       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5527
5528     for (j = 0; j < 2; j++)
5529     {
5530       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5531       struct GadgetInfo *gi;
5532       int id = (j == 0 ?
5533                 counterbutton_info[i].gadget_id_down :
5534                 counterbutton_info[i].gadget_id_up);
5535       int gd_xoffset;
5536       int gd_x, gd_y, gd_x1, gd_x2, gd_y1, gd_y2;
5537       int x_size, y_size;
5538       unsigned int event_mask;
5539       char infotext[max_infotext_len + 1];
5540
5541       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5542
5543       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5544       {
5545         int graphic = (j == 0 ?
5546                        IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5547                        IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5548         struct GraphicInfo *gd = &graphic_info[graphic];
5549
5550         gd_bitmap = gd->bitmap;
5551
5552         event_mask |= GD_EVENT_RELEASED;
5553
5554         if (j == 0)
5555         {
5556           x = DX + editor.button.prev_level.x;
5557           y = DY + editor.button.prev_level.y;
5558         }
5559         else
5560         {
5561           x = DX + editor.button.next_level.x;
5562           y = DY + editor.button.next_level.y;
5563         }
5564
5565         gd_x1 = gd->src_x;
5566         gd_y1 = gd->src_y;
5567         gd_x2 = gd->src_x + gd->pressed_xoffset;
5568         gd_y2 = gd->src_y + gd->pressed_yoffset;
5569         x_size = gd->width;
5570         y_size = gd->height;
5571       }
5572       else
5573       {
5574         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5575         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5576         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5577         gd_y1 = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5578         gd_y2 = gd_y1;
5579         x_size = ED_BUTTON_COUNT_XSIZE;
5580         y_size = ED_BUTTON_COUNT_YSIZE;
5581       }
5582
5583       sprintf(infotext, "%s counter value by 1, 5 or 10",
5584               (j == 0 ? "decrease" : "increase"));
5585
5586       gi = CreateGadget(GDI_CUSTOM_ID, id,
5587                         GDI_CUSTOM_TYPE_ID, i,
5588                         GDI_INFO_TEXT, infotext,
5589                         GDI_X, x,
5590                         GDI_Y, y,
5591                         GDI_WIDTH, x_size,
5592                         GDI_HEIGHT, y_size,
5593                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5594                         GDI_STATE, GD_BUTTON_UNPRESSED,
5595                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5596                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5597                         GDI_EVENT_MASK, event_mask,
5598                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5599                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5600                         GDI_END);
5601
5602       if (gi == NULL)
5603         Error(ERR_EXIT, "cannot create gadget");
5604
5605       level_editor_gadget[id] = gi;
5606       right_gadget_border[id] =
5607         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5608
5609       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5610
5611       if (j == 0)
5612       {
5613         int font_type = FONT_INPUT_1;
5614         int font_type_active = FONT_INPUT_1_ACTIVE;
5615         int gd_width = ED_WIN_COUNT_XSIZE;
5616         int border_size = ED_BORDER_SIZE;
5617
5618         id = counterbutton_info[i].gadget_id_text;
5619         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5620
5621         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5622         {
5623           int graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5624           struct GraphicInfo *gd = &graphic_info[graphic];
5625
5626           gd_bitmap = gd->bitmap;
5627
5628           x = DX + editor.input.level_number.x;
5629           y = DY + editor.input.level_number.y;
5630
5631           gd_x = gd->src_x;
5632           gd_y = gd->src_y;
5633           gd_width = gd->width;
5634           border_size = gd->border_size;
5635
5636           font_type = FONT_LEVEL_NUMBER;
5637           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5638         }
5639         else
5640         {
5641           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5642           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5643         }
5644
5645         gi = CreateGadget(GDI_CUSTOM_ID, id,
5646                           GDI_CUSTOM_TYPE_ID, i,
5647                           GDI_INFO_TEXT, "enter counter value",
5648                           GDI_X, x,
5649                           GDI_Y, y,
5650                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5651                           GDI_NUMBER_VALUE, 0,
5652                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5653                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5654                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5655                           GDI_TEXT_FONT, font_type,
5656                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5657                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5658                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5659                           GDI_BORDER_SIZE, border_size, border_size,
5660                           GDI_DESIGN_WIDTH, gd_width,
5661                           GDI_EVENT_MASK, event_mask,
5662                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5663                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5664                           GDI_END);
5665
5666         if (gi == NULL)
5667           Error(ERR_EXIT, "cannot create gadget");
5668
5669         level_editor_gadget[id] = gi;
5670         right_gadget_border[id] =
5671           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5672
5673         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5674       }
5675     }
5676   }
5677 }
5678
5679 static void CreateDrawingAreas()
5680 {
5681   int i;
5682
5683   /* these values are not constant, but can change at runtime */
5684   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5685   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5686
5687   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5688   {
5689     struct GadgetInfo *gi;
5690     unsigned int event_mask;
5691     int id = drawingarea_info[i].gadget_id;
5692     int x = SX + drawingarea_info[i].x;
5693     int y = SY + drawingarea_info[i].y;
5694     int area_xsize = drawingarea_info[i].area_xsize;
5695     int area_ysize = drawingarea_info[i].area_ysize;
5696
5697     event_mask =
5698       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5699       GD_EVENT_OFF_BORDERS;
5700
5701     /* determine horizontal position to the right of specified gadget */
5702     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5703       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5704            ED_DRAWINGAREA_TEXT_DISTANCE);
5705
5706     /* determine horizontal offset for leading text */
5707     if (drawingarea_info[i].text_left != NULL)
5708       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5709
5710     gi = CreateGadget(GDI_CUSTOM_ID, id,
5711                       GDI_CUSTOM_TYPE_ID, i,
5712                       GDI_X, x,
5713                       GDI_Y, y,
5714                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5715                       GDI_AREA_SIZE, area_xsize, area_ysize,
5716                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5717                       GDI_EVENT_MASK, event_mask,
5718                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5719                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5720                       GDI_END);
5721
5722     if (gi == NULL)
5723       Error(ERR_EXIT, "cannot create gadget");
5724
5725     level_editor_gadget[id] = gi;
5726     right_gadget_border[id] =
5727       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5728   }
5729 }
5730
5731 static void CreateTextInputGadgets()
5732 {
5733   int max_infotext_len = getMaxInfoTextLength();
5734   int i;
5735
5736   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5737   {
5738     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5739     int gd_x, gd_y;
5740     struct GadgetInfo *gi;
5741     unsigned int event_mask;
5742     char infotext[MAX_OUTPUT_LINESIZE + 1];
5743     int id = textinput_info[i].gadget_id;
5744
5745     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5746
5747     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5748     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5749
5750     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5751     infotext[max_infotext_len] = '\0';
5752
5753     gi = CreateGadget(GDI_CUSTOM_ID, id,
5754                       GDI_CUSTOM_TYPE_ID, i,
5755                       GDI_INFO_TEXT, infotext,
5756                       GDI_X, SX + textinput_info[i].x,
5757                       GDI_Y, SY + textinput_info[i].y,
5758                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5759                       GDI_TEXT_VALUE, textinput_info[i].value,
5760                       GDI_TEXT_SIZE, textinput_info[i].size,
5761                       GDI_TEXT_FONT, FONT_INPUT_1,
5762                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5763                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5764                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5765                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5766                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5767                       GDI_EVENT_MASK, event_mask,
5768                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5769                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5770                       GDI_END);
5771
5772     if (gi == NULL)
5773       Error(ERR_EXIT, "cannot create gadget");
5774
5775     level_editor_gadget[id] = gi;
5776   }
5777 }
5778
5779 static void CreateTextAreaGadgets()
5780 {
5781   int max_infotext_len = getMaxInfoTextLength();
5782   int i;
5783
5784   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5785   {
5786     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5787     int gd_x, gd_y;
5788     struct GadgetInfo *gi;
5789     unsigned int event_mask;
5790     char infotext[MAX_OUTPUT_LINESIZE + 1];
5791     int id = textarea_info[i].gadget_id;
5792     int area_xsize = textarea_info[i].xsize;
5793     int area_ysize = textarea_info[i].ysize;
5794
5795     event_mask = GD_EVENT_TEXT_LEAVING;
5796
5797     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5798     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5799
5800     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5801     infotext[max_infotext_len] = '\0';
5802
5803     gi = CreateGadget(GDI_CUSTOM_ID, id,
5804                       GDI_CUSTOM_TYPE_ID, i,
5805                       GDI_INFO_TEXT, infotext,
5806                       GDI_X, SX + textarea_info[i].x,
5807                       GDI_Y, SY + textarea_info[i].y,
5808                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5809                       GDI_AREA_SIZE, area_xsize, area_ysize,
5810                       GDI_TEXT_FONT, FONT_INPUT_1,
5811                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5812                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5813                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5814                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5815                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5816                       GDI_EVENT_MASK, event_mask,
5817                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5818                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5819                       GDI_END);
5820
5821     if (gi == NULL)
5822       Error(ERR_EXIT, "cannot create gadget");
5823
5824     level_editor_gadget[id] = gi;
5825   }
5826 }
5827
5828 static void CreateSelectboxGadgets()
5829 {
5830   int max_infotext_len = getMaxInfoTextLength();
5831   int i, j;
5832
5833   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5834   {
5835     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5836     int gd_x, gd_y;
5837     struct GadgetInfo *gi;
5838     unsigned int event_mask;
5839     char infotext[MAX_OUTPUT_LINESIZE + 1];
5840     int id = selectbox_info[i].gadget_id;
5841     int x = SX + selectbox_info[i].x;
5842     int y = SY + selectbox_info[i].y;
5843
5844     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5845     {
5846       /* (we cannot use -1 for uninitialized values if we directly compare
5847          with results from strlen(), because the '<' and '>' operation will
5848          implicitely cast -1 to an unsigned integer value!) */
5849       selectbox_info[i].size = 0;
5850
5851       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5852         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5853           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5854
5855       selectbox_info[i].size++;         /* add one character empty space */
5856     }
5857
5858     event_mask = GD_EVENT_RELEASED |
5859       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5860
5861     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5862     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5863
5864     /* determine horizontal position to the right of specified gadget */
5865     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5866       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5867            ED_GADGET_TEXT_DISTANCE);
5868
5869     /* determine horizontal offset for leading text */
5870     if (selectbox_info[i].text_left != NULL)
5871       x += getTextWidthForGadget(selectbox_info[i].text_left);
5872
5873     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5874     infotext[max_infotext_len] = '\0';
5875
5876     gi = CreateGadget(GDI_CUSTOM_ID, id,
5877                       GDI_CUSTOM_TYPE_ID, i,
5878                       GDI_INFO_TEXT, infotext,
5879                       GDI_X, x,
5880                       GDI_Y, y,
5881                       GDI_TYPE, GD_TYPE_SELECTBOX,
5882                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5883                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5884                       GDI_TEXT_SIZE, selectbox_info[i].size,
5885                       GDI_TEXT_FONT, FONT_INPUT_1,
5886                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5887                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5888                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5889                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5890                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5891                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5892                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5893                       GDI_EVENT_MASK, event_mask,
5894                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5895                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5896                       GDI_END);
5897
5898     if (gi == NULL)
5899       Error(ERR_EXIT, "cannot create gadget");
5900
5901     level_editor_gadget[id] = gi;
5902     right_gadget_border[id] =
5903       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5904   }
5905 }
5906
5907 static void CreateTextbuttonGadgets()
5908 {
5909   int max_infotext_len = getMaxInfoTextLength();
5910   int i;
5911
5912   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5913   {
5914     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5915     int gd_x1, gd_x2, gd_y1, gd_y2;
5916     struct GadgetInfo *gi;
5917     unsigned int event_mask;
5918     char infotext[MAX_OUTPUT_LINESIZE + 1];
5919     int id = textbutton_info[i].gadget_id;
5920     int x = SX + textbutton_info[i].x;
5921     int y = SY + textbutton_info[i].y;
5922
5923     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5924       textbutton_info[i].size = strlen(textbutton_info[i].text);
5925
5926     event_mask = GD_EVENT_RELEASED;
5927
5928     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5929         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5930     {
5931       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5932       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5933       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5934       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5935     }
5936     else
5937     {
5938       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5939       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5940       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5941       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5942     }
5943
5944     sprintf(infotext, "%s", textbutton_info[i].infotext);
5945     infotext[max_infotext_len] = '\0';
5946
5947     /* determine horizontal position to the right of specified gadget */
5948     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5949       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5950            ED_GADGET_TEXT_DISTANCE);
5951
5952     /* determine horizontal offset for leading text */
5953     if (textbutton_info[i].text_left != NULL)
5954       x += getTextWidthForGadget(textbutton_info[i].text_left);
5955
5956     gi = CreateGadget(GDI_CUSTOM_ID, id,
5957                       GDI_CUSTOM_TYPE_ID, i,
5958                       GDI_INFO_TEXT, infotext,
5959                       GDI_X, x,
5960                       GDI_Y, y,
5961                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5962                       GDI_TEXT_VALUE, textbutton_info[i].text,
5963                       GDI_TEXT_SIZE, textbutton_info[i].size,
5964                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5965                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5966                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5967                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5968                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5969                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5970                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5971                       GDI_DECORATION_SHIFTING, 1, 1,
5972                       GDI_EVENT_MASK, event_mask,
5973                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5974                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5975                       GDI_END);
5976
5977     if (gi == NULL)
5978       Error(ERR_EXIT, "cannot create gadget");
5979
5980     level_editor_gadget[id] = gi;
5981     right_gadget_border[id] =
5982       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5983   }
5984 }
5985
5986 static void CreateGraphicbuttonGadgets()
5987 {
5988   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5989   struct GadgetInfo *gi;
5990   unsigned int event_mask;
5991   int i;
5992
5993   /* create buttons for scrolling of drawing area and element list */
5994   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5995   {
5996     int id = graphicbutton_info[i].gadget_id;
5997     int gd_x1, gd_x2, gd_y1, gd_y2;
5998     int x = SX + graphicbutton_info[i].x;
5999     int y = SY + graphicbutton_info[i].y;
6000
6001     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6002
6003     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6004     {
6005       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
6006       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6007       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
6008       gd_y2 = gd_y1;
6009     }
6010     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
6011     {
6012       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
6013       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6014       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
6015       gd_y2 = gd_y1;
6016     }
6017
6018     /* determine horizontal position to the right of specified gadget */
6019     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6020       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6021            ED_GADGET_TEXT_DISTANCE);
6022
6023     /* determine horizontal offset for leading text */
6024     if (graphicbutton_info[i].text_left != NULL)
6025       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6026
6027     gi = CreateGadget(GDI_CUSTOM_ID, id,
6028                       GDI_CUSTOM_TYPE_ID, i,
6029                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6030                       GDI_X, x,
6031                       GDI_Y, y,
6032                       GDI_WIDTH, graphicbutton_info[i].width,
6033                       GDI_HEIGHT, graphicbutton_info[i].height,
6034                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6035                       GDI_STATE, GD_BUTTON_UNPRESSED,
6036                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6037                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6038                       GDI_EVENT_MASK, event_mask,
6039                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6040                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6041                       GDI_END);
6042
6043     if (gi == NULL)
6044       Error(ERR_EXIT, "cannot create gadget");
6045
6046     level_editor_gadget[id] = gi;
6047     right_gadget_border[id] =
6048       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6049   }
6050 }
6051
6052 static void CreateScrollbarGadgets()
6053 {
6054   int i;
6055
6056   /* these values are not constant, but can change at runtime */
6057   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6058     SX + ED_SCROLL_HORIZONTAL_XPOS;
6059   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6060     SY + ED_SCROLL_HORIZONTAL_YPOS;
6061   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6062     ED_SCROLL_HORIZONTAL_XSIZE;
6063   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6064     ED_SCROLL_HORIZONTAL_YSIZE;
6065   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6066   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6067   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6068   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6069
6070   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6071     SX + ED_SCROLL_VERTICAL_XPOS;
6072   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6073     SY + ED_SCROLL_VERTICAL_YPOS;
6074   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6075     ED_SCROLL_VERTICAL_XSIZE;
6076   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6077     ED_SCROLL_VERTICAL_YSIZE;
6078   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6079   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6080   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6081   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6082
6083   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6084     DX + ED_SCROLL2_VERTICAL_XPOS;
6085   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6086     DY + ED_SCROLL2_VERTICAL_YPOS;
6087   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6088     ED_SCROLL2_VERTICAL_XSIZE;
6089   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6090     ED_SCROLL2_VERTICAL_YSIZE;
6091   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6092   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6093   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6094   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6095
6096   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6097   {
6098     int id = scrollbar_info[i].gadget_id;
6099     int graphic = scrollbar_info[i].graphic;
6100     struct GraphicInfo *gd = &graphic_info[graphic];
6101     Bitmap *gd_bitmap = gd->bitmap;
6102     int gd_x1, gd_x2, gd_y1, gd_y2;
6103     struct GadgetInfo *gi;
6104     int items_max, items_visible, item_position;
6105     unsigned int event_mask;
6106
6107     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6108     {
6109       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6110       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6111       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6112     }
6113     else        /* drawing area scrollbars */
6114     {
6115       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6116       {
6117         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6118         items_visible = ed_fieldx;
6119         item_position = 0;
6120       }
6121       else
6122       {
6123         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6124         items_visible = ed_fieldy;
6125         item_position = 0;
6126       }
6127     }
6128
6129     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6130
6131     gd_x1 = gd->src_x;
6132     gd_y1 = gd->src_y;
6133     gd_x2 = gd->src_x + gd->pressed_xoffset;
6134     gd_y2 = gd->src_y + gd->pressed_yoffset;
6135
6136     gi = CreateGadget(GDI_CUSTOM_ID, id,
6137                       GDI_CUSTOM_TYPE_ID, i,
6138                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6139                       GDI_X, scrollbar_pos[i].x,
6140                       GDI_Y, scrollbar_pos[i].y,
6141                       GDI_WIDTH, scrollbar_pos[i].width,
6142                       GDI_HEIGHT, scrollbar_pos[i].height,
6143                       GDI_TYPE, scrollbar_info[i].type,
6144                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6145                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6146                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6147                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6148                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6149                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6150                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6151                       GDI_STATE, GD_BUTTON_UNPRESSED,
6152                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6153                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6154                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6155                       GDI_EVENT_MASK, event_mask,
6156                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6157                       GDI_CALLBACK_ACTION, HandleControlButtons,
6158                       GDI_END);
6159
6160     if (gi == NULL)
6161       Error(ERR_EXIT, "cannot create gadget");
6162
6163     level_editor_gadget[id] = gi;
6164   }
6165 }
6166
6167 static void CreateCheckbuttonGadgets()
6168 {
6169   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6170   struct GadgetInfo *gi;
6171   unsigned int event_mask;
6172   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6173   int i;
6174
6175   event_mask = GD_EVENT_PRESSED;
6176
6177   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6178   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6179   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6180   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6181   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6182
6183   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6184   {
6185     int id = checkbutton_info[i].gadget_id;
6186     int x = SX + checkbutton_info[i].x;
6187     int y = SY + checkbutton_info[i].y;
6188
6189     if (id == GADGET_ID_STICK_ELEMENT)
6190       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6191     else
6192       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6193
6194     /* determine horizontal position to the right of specified gadget */
6195     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6196       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6197            ED_GADGET_TEXT_DISTANCE);
6198
6199     /* determine horizontal offset for leading text */
6200     if (checkbutton_info[i].text_left != NULL)
6201       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6202
6203     gi = CreateGadget(GDI_CUSTOM_ID, id,
6204                       GDI_CUSTOM_TYPE_ID, i,
6205                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6206                       GDI_X, x,
6207                       GDI_Y, y,
6208                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6209                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6210                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6211                       GDI_CHECKED, *checkbutton_info[i].value,
6212                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6213                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6214                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6215                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6216                       GDI_EVENT_MASK, event_mask,
6217                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6218                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6219                       GDI_END);
6220
6221     if (gi == NULL)
6222       Error(ERR_EXIT, "cannot create gadget");
6223
6224     level_editor_gadget[id] = gi;
6225     right_gadget_border[id] =
6226       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6227   }
6228 }
6229
6230 static void CreateRadiobuttonGadgets()
6231 {
6232   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6233   struct GadgetInfo *gi;
6234   unsigned int event_mask;
6235   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6236   int i;
6237
6238   event_mask = GD_EVENT_PRESSED;
6239
6240   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6241   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6242   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6243   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6244   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6245
6246   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6247   {
6248     int id = radiobutton_info[i].gadget_id;
6249     int x = SX + radiobutton_info[i].x;
6250     int y = SY + radiobutton_info[i].y;
6251
6252     int checked =
6253       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6254
6255     /* determine horizontal position to the right of specified gadget */
6256     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6257       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6258            ED_GADGET_TEXT_DISTANCE);
6259
6260     /* determine horizontal offset for leading text */
6261     if (radiobutton_info[i].text_left != NULL)
6262       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6263
6264     gi = CreateGadget(GDI_CUSTOM_ID, id,
6265                       GDI_CUSTOM_TYPE_ID, i,
6266                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6267                       GDI_X, x,
6268                       GDI_Y, y,
6269                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6270                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6271                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6272                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6273                       GDI_CHECKED, checked,
6274                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6275                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6276                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6277                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6278                       GDI_EVENT_MASK, event_mask,
6279                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6280                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6281                       GDI_END);
6282
6283     if (gi == NULL)
6284       Error(ERR_EXIT, "cannot create gadget");
6285
6286     level_editor_gadget[id] = gi;
6287     right_gadget_border[id] =
6288       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6289   }
6290 }
6291
6292 void CreateLevelEditorGadgets()
6293 {
6294   int old_game_status = game_status;
6295
6296   /* setting 'game_status' is needed to get the right fonts for the editor */
6297   game_status = GAME_MODE_EDITOR;
6298
6299   /* these values are not constant, but can change at runtime */
6300   ed_fieldx = MAX_ED_FIELDX - 1;
6301   ed_fieldy = MAX_ED_FIELDY - 1;
6302
6303   num_editor_gadgets = NUM_EDITOR_GADGETS;
6304
6305   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6306
6307   level_editor_gadget =
6308     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6309   right_gadget_border =
6310     checked_calloc(num_editor_gadgets * sizeof(int));
6311
6312   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6313   editor_el_empty_ptr = editor_el_empty;
6314
6315   ReinitializeElementList();
6316
6317   CreateControlButtons();
6318   CreateScrollbarGadgets();
6319
6320   /* order of function calls is important because of cross-references */
6321   CreateCheckbuttonGadgets();
6322   CreateCounterButtons();
6323   CreateRadiobuttonGadgets();
6324   CreateTextInputGadgets();
6325   CreateTextAreaGadgets();
6326   CreateSelectboxGadgets();
6327   CreateGraphicbuttonGadgets();
6328   CreateTextbuttonGadgets();
6329   CreateDrawingAreas();
6330
6331   game_status = old_game_status;
6332 }
6333
6334 void FreeLevelEditorGadgets()
6335 {
6336   int i;
6337
6338   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6339
6340   for (i = 0; i < num_editor_gadgets; i++)
6341   {
6342     FreeGadget(level_editor_gadget[i]);
6343
6344     level_editor_gadget[i] = NULL;
6345   }
6346
6347   checked_free(level_editor_gadget);
6348   checked_free(right_gadget_border);
6349
6350   checked_free(editor_el_empty);
6351 }
6352
6353 static void MapCounterButtons(int id)
6354 {
6355   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6356   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6357   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6358   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6359   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6360   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6361   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6362   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6363   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6364   int yoffset = ED_BORDER_SIZE;
6365   int x_left = gi_down->x - xoffset_left;
6366   int x_right;  /* set after gadget position was modified */
6367   int y_above = gi_down->y - yoffset_above;
6368   int x = gi_down->x;
6369   int y;        /* set after gadget position was modified */
6370
6371   /* counter limits must be changed first to prevent value truncation */
6372   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6373                             counterbutton_info[id].max_value);
6374
6375   /* right text position might have changed after setting position above */
6376   x_right = gi_up->x + gi_up->width + xoffset_right;
6377
6378   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6379
6380   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6381   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6382       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6383   {
6384     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6385     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6386     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6387   }
6388
6389   /* vertical position might have changed after setting position above */
6390   y = gi_up->y + yoffset;
6391
6392   if (counterbutton_info[id].text_above)
6393     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6394
6395   if (counterbutton_info[id].text_left)
6396     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6397
6398   if (counterbutton_info[id].text_right)
6399     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6400
6401   MapGadget(gi_down);
6402   MapGadget(gi_text);
6403   MapGadget(gi_up);
6404 }
6405
6406 static void MapControlButtons()
6407 {
6408   int counter_id;
6409   int i;
6410
6411   /* map toolbox buttons (excluding special CE toolbox buttons) */
6412   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6413     MapGadget(level_editor_gadget[i]);
6414
6415   /* map toolbox buttons (element properties button) */
6416   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6417
6418   /* map buttons to select elements */
6419   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6420     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6421   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6422   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6423   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6424
6425   /* map buttons to select level */
6426   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6427   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6428   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6429   MapCounterButtons(counter_id);
6430 }
6431
6432 static void MapDrawingArea(int id)
6433 {
6434   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6435   int area_xsize = gi->drawing.area_xsize;
6436   int area_ysize = gi->drawing.area_ysize;
6437   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6438   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6439   int x_left  = gi->x - xoffset_left;
6440   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6441   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6442   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6443   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6444
6445   if (drawingarea_info[id].text_left)
6446     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6447
6448   if (drawingarea_info[id].text_right)
6449     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6450
6451   if (drawingarea_info[id].text_below)
6452     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6453
6454   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6455   {
6456     DrawElementBorder(gi->x, gi->y,
6457                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6458
6459     DrawDrawingArea(id);
6460   }
6461
6462   MapGadget(gi);
6463 }
6464
6465 static void MapTextInputGadget(int id)
6466 {
6467   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6468   int xoffset_above = 0;
6469   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6470   int x_above = textinput_info[id].x + xoffset_above;
6471   int y_above = textinput_info[id].y + yoffset_above;
6472
6473   if (textinput_info[id].text_above)
6474     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6475
6476   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6477
6478   MapGadget(gi);
6479 }
6480
6481 static void MapTextAreaGadget(int id)
6482 {
6483   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6484   int xoffset_above = 0;
6485   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6486   int x_above = textarea_info[id].x + xoffset_above;
6487   int y_above = textarea_info[id].y + yoffset_above;
6488
6489   if (textarea_info[id].text_above)
6490     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6491
6492   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6493
6494   MapGadget(gi);
6495 }
6496
6497 static void MapSelectboxGadget(int id)
6498 {
6499   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6500   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6501   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6502   int yoffset = ED_BORDER_SIZE;
6503   int x_left = gi->x - xoffset_left;
6504   int x_right = gi->x + gi->width + xoffset_right;
6505   int y = gi->y + yoffset;
6506
6507   if (selectbox_info[id].text_left)
6508     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6509
6510   if (selectbox_info[id].text_right)
6511     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6512
6513   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6514
6515   MapGadget(gi);
6516 }
6517
6518 static void MapTextbuttonGadget(int id)
6519 {
6520   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6521   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6522   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6523   int yoffset = ED_BORDER_SIZE;
6524   int x_left = gi->x - xoffset_left;
6525   int x_right = gi->x + gi->width + xoffset_right;
6526   int y = gi->y + yoffset;
6527
6528   /* only show button to delete change pages when more than minimum pages */
6529   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6530       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6531     return;
6532
6533   if (textbutton_info[id].text_left)
6534     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6535
6536   if (textbutton_info[id].text_right)
6537     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6538
6539   MapGadget(gi);
6540 }
6541
6542 static void MapGraphicbuttonGadget(int id)
6543 {
6544   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6545   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6546   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6547   int yoffset = ED_BORDER_SIZE;
6548   int x_left = gi->x - xoffset_left;
6549   int x_right = gi->x + gi->width + xoffset_right;
6550   int y = gi->y + yoffset;
6551
6552   if (graphicbutton_info[id].text_left)
6553     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6554
6555   if (graphicbutton_info[id].text_right)
6556     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6557
6558   MapGadget(gi);
6559 }
6560
6561 static void MapRadiobuttonGadget(int id)
6562 {
6563   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6564   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6565   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6566   int yoffset = ED_BORDER_SIZE;
6567   int x_left = gi->x - xoffset_left;
6568   int x_right = gi->x + gi->width + xoffset_right;
6569   int y = gi->y + yoffset;
6570   boolean checked =
6571     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6572
6573   if (radiobutton_info[id].text_left)
6574     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6575
6576   if (radiobutton_info[id].text_right)
6577     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6578
6579   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6580
6581   MapGadget(gi);
6582 }
6583
6584 static void MapCheckbuttonGadget(int id)
6585 {
6586   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6587   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6588   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6589   int yoffset = ED_BORDER_SIZE;
6590   int x_left, x_right, y;       /* set after gadget position was modified */
6591
6592   /* set position for gadgets with dynamically determined position */
6593   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6594     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6595   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6596
6597   x_left = gi->x - xoffset_left;
6598   x_right = gi->x + gi->width + xoffset_right;
6599   y = gi->y + yoffset;
6600
6601   if (checkbutton_info[id].text_left)
6602     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6603
6604   if (checkbutton_info[id].text_right)
6605     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6606
6607   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6608
6609   MapGadget(gi);
6610 }
6611
6612 static void MapMainDrawingArea()
6613 {
6614   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6615   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6616   int i;
6617
6618   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6619   {
6620     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6621           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6622          no_horizontal_scrollbar) ||
6623         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6624           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6625          no_vertical_scrollbar))
6626       continue;
6627
6628     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6629   }
6630
6631   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6632   {
6633     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6634         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6635       continue;
6636
6637     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6638   }
6639
6640   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6641 }
6642
6643 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6644 {
6645   int i;
6646
6647   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6648   {
6649     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6650         i == GADGET_ID_CUSTOM_COPY_TO ||
6651         i == GADGET_ID_CUSTOM_EXCHANGE ||
6652         i == GADGET_ID_CUSTOM_COPY ||
6653         i == GADGET_ID_CUSTOM_PASTE)
6654     {
6655       if (map)
6656         MapGadget(level_editor_gadget[i]);
6657       else
6658         UnmapGadget(level_editor_gadget[i]);
6659     }
6660   }
6661 }
6662
6663 static void MapLevelEditorToolboxCustomGadgets()
6664 {
6665   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6666 }
6667
6668 static void UnmapLevelEditorToolboxCustomGadgets()
6669 {
6670   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6671 }
6672
6673 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6674 {
6675   int i;
6676
6677   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6678   {
6679     if (i != GADGET_ID_SINGLE_ITEMS &&
6680         i != GADGET_ID_PICK_ELEMENT)
6681     {
6682       struct GadgetInfo *gi = level_editor_gadget[i];
6683
6684       if (map)
6685       {
6686         MapGadget(gi);
6687       }
6688       else
6689       {
6690         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6691         struct GraphicInfo *gd = &graphic_info[graphic];
6692
6693         UnmapGadget(gi);
6694
6695         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6696                    gi->width, gi->height, gi->x, gi->y);
6697
6698         redraw_mask |= REDRAW_DOOR_3;
6699       }
6700     }
6701   }
6702 }
6703
6704 static void MapLevelEditorToolboxDrawingGadgets()
6705 {
6706   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6707 }
6708
6709 static void UnmapLevelEditorToolboxDrawingGadgets()
6710 {
6711   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6712 }
6713
6714 static void UnmapDrawingArea(int id)
6715 {
6716   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6717 }
6718
6719 static void UnmapLevelEditorFieldGadgets()
6720 {
6721   int i;
6722
6723   for (i = 0; i < num_editor_gadgets; i++)
6724     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6725                           level_editor_gadget[i]->y))
6726       UnmapGadget(level_editor_gadget[i]);
6727 }
6728
6729 void UnmapLevelEditorGadgets()
6730 {
6731   int i;
6732
6733   for (i = 0; i < num_editor_gadgets; i++)
6734     UnmapGadget(level_editor_gadget[i]);
6735 }
6736
6737 static void ResetUndoBuffer()
6738 {
6739   undo_buffer_position = -1;
6740   undo_buffer_steps = -1;
6741   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6742
6743   level.changed = FALSE;
6744 }
6745
6746 static void DrawEditModeWindow()
6747 {
6748   ModifyEditorElementList();
6749   RedrawDrawingElements();
6750
6751   if (edit_mode == ED_MODE_INFO)
6752     DrawLevelInfoWindow();
6753   else if (edit_mode == ED_MODE_PROPERTIES)
6754     DrawPropertiesWindow();
6755   else  /* edit_mode == ED_MODE_DRAWING */
6756     DrawDrawingWindow();
6757 }
6758
6759 static boolean LevelChanged()
6760 {
6761   boolean field_changed = FALSE;
6762   int x, y;
6763
6764   for (y = 0; y < lev_fieldy; y++)
6765     for (x = 0; x < lev_fieldx; x++)
6766       if (Feld[x][y] != level.field[x][y])
6767         field_changed = TRUE;
6768
6769   return (level.changed || field_changed);
6770 }
6771
6772 static boolean PrepareSavingIntoPersonalLevelSet()
6773 {
6774   static LevelDirTree *last_copied_leveldir = NULL;
6775   static LevelDirTree *last_written_leveldir = NULL;
6776   static int last_copied_level_nr = -1;
6777   static int last_written_level_nr = -1;
6778   LevelDirTree *leveldir_former = leveldir_current;
6779   int level_nr_former = level_nr;
6780   int new_level_nr;
6781
6782   // remember last mod/save so that for current session, we write
6783   // back to the same personal copy, asking only about overwrite.
6784   if (leveldir_current == last_copied_leveldir &&
6785       level_nr == last_copied_level_nr)
6786   {
6787     // "cd" to personal level set dir (as used when writing last copy)
6788     leveldir_current = last_written_leveldir;
6789     level_nr = last_written_level_nr;
6790
6791     return TRUE;
6792   }
6793
6794   if (!Request("This level is read only! "
6795                "Save into personal level set?", REQ_ASK))
6796     return FALSE;
6797
6798   // "cd" to personal level set dir (for writing copy the first time)
6799   leveldir_current =
6800     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6801
6802   // find unused level number
6803   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6804   {
6805     static char *level_filename = NULL;
6806
6807     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6808
6809     if (!fileExists(level_filename))
6810       break;
6811   }
6812
6813   last_copied_leveldir = leveldir_former;
6814   last_copied_level_nr = level_nr_former;
6815
6816   last_written_leveldir = leveldir_current;
6817   last_written_level_nr = level_nr = new_level_nr;
6818
6819   return TRUE;
6820 }
6821
6822 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6823 {
6824   static char *filename_levelinfo = NULL, *mod_name = NULL;
6825   FILE *file;
6826
6827   // annotate this copy-and-mod in personal levelinfo.conf
6828   setString(&filename_levelinfo,
6829             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6830
6831   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6832   {
6833     fprintf(file, "\n");
6834     fprintf(file, "# level %d was modified from:\n", level_nr);
6835     fprintf(file, "# - previous level set name:    %s\n",
6836             former_name);
6837     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6838             level.file_info.nr, level.name);
6839     fprintf(file, "# - previous author:            %s\n",
6840             level.author);
6841     fprintf(file, "# - previous save date:         ");
6842
6843     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6844     {
6845       fprintf(file, "%04d-%02d-%02d\n",
6846               level.creation_date.year,
6847               level.creation_date.month,
6848               level.creation_date.day);
6849     }
6850     else
6851     {
6852       fprintf(file, "not recorded\n");
6853     }
6854
6855     fclose(file);
6856   }
6857
6858   if (level_nr > leveldir_current->last_level)
6859   {
6860     static char *temp_levelinfo = NULL;
6861     FILE *temp_file = NULL;
6862     char line[MAX_LINE_LEN];
6863
6864     setString(&temp_levelinfo,
6865               getPath2(getCurrentLevelDir(),
6866                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6867
6868     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6869         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6870     {
6871       while (fgets(line, MAX_LINE_LEN, file))
6872       {
6873         if (!strPrefix(line, "levels:"))
6874           fputs(line, temp_file);
6875         else
6876           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6877       }
6878     }
6879
6880     if (temp_file)
6881       fclose(temp_file);
6882
6883     if (file)
6884       fclose(file);
6885
6886     // needs error handling; also, ok on dos/win?
6887     unlink(filename_levelinfo);
6888     rename(temp_levelinfo, filename_levelinfo);
6889   }
6890
6891   // else: allow the save even if annotation failed
6892
6893   // now... spray graffiti on the old level vital statistics
6894   // user can change these; just trying to set a good baseline
6895
6896   // don't truncate names for fear of making offensive or silly:
6897   // long-named original author only recorded in levelinfo.conf.
6898   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6899   if (!strEqual(level.author, leveldir_current->author))
6900   {
6901     setString(&mod_name, getStringCat3(leveldir_current->author,
6902                                        " after ", level.author));
6903
6904     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6905       setString(&mod_name,
6906                 getStringCat2(leveldir_current->author, " (ed.)"));
6907
6908     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6909       setString(&mod_name, leveldir_current->author);
6910
6911     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6912
6913     // less worried about truncation here
6914     setString(&mod_name, getStringCat2("Mod: ", level.name));
6915     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6916   }
6917 }
6918
6919 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6920                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6921 {
6922   int x, y;
6923
6924   for (x = 0; x < lev_fieldx; x++)
6925     for (y = 0; y < lev_fieldy; y++)
6926       dst[x][y] = src[x][y];
6927 }
6928
6929 static int setSelectboxValue(int selectbox_id, int new_value)
6930 {
6931   int new_index_value = 0;
6932   int i;
6933
6934   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6935     if (selectbox_info[selectbox_id].options[i].value == new_value)
6936       new_index_value = i;
6937
6938   *selectbox_info[selectbox_id].value =
6939     selectbox_info[selectbox_id].options[new_index_value].value;
6940
6941   return new_index_value;
6942 }
6943
6944 static void setSelectboxSpecialActionVariablesIfNeeded()
6945 {
6946   int i;
6947
6948   /* change action mode and arg variables according to action type variable */
6949   for (i = 0; action_arg_options[i].value != -1; i++)
6950   {
6951     if (action_arg_options[i].value == custom_element_change.action_type)
6952     {
6953       int mode = action_arg_options[i].mode;
6954
6955       /* only change if corresponding selectbox has changed */
6956       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6957           action_arg_modes[mode])
6958         custom_element_change.action_mode = -1;
6959
6960       /* only change if corresponding selectbox has changed */
6961       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6962           action_arg_options[i].options)
6963         custom_element_change.action_arg = -1;
6964
6965       break;
6966     }
6967   }
6968 }
6969
6970 static void setSelectboxSpecialActionOptions()
6971 {
6972   int i;
6973
6974   /* change action mode and arg selectbox according to action type selectbox */
6975   for (i = 0; action_arg_options[i].value != -1; i++)
6976   {
6977     if (action_arg_options[i].value == custom_element_change.action_type)
6978     {
6979       int mode = action_arg_options[i].mode;
6980
6981       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6982                                    action_arg_modes[mode]);
6983       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6984                                  custom_element_change.action_mode);
6985
6986       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6987                                    action_arg_options[i].options);
6988       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6989                                  custom_element_change.action_arg);
6990       break;
6991     }
6992   }
6993 }
6994
6995 static void copy_custom_element_settings(int element_from, int element_to)
6996 {
6997   struct ElementInfo *ei_from = &element_info[element_from];
6998   struct ElementInfo *ei_to = &element_info[element_to];
6999
7000   copyElementInfo(ei_from, ei_to);
7001 }
7002
7003 static void replace_custom_element_in_settings(int element_from,
7004                                                int element_to)
7005 {
7006   int i, j, x, y;
7007
7008   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7009   {
7010     struct ElementInfo *ei = &element_info[i];
7011
7012     for (y = 0; y < 3; y++)
7013       for (x = 0; x < 3; x++)
7014         if (ei->content.e[x][y] == element_from)
7015           ei->content.e[x][y] = element_to;
7016
7017     for (j = 0; j < ei->num_change_pages; j++)
7018     {
7019       struct ElementChangeInfo *change = &ei->change_page[j];
7020
7021       if (change->target_element == element_from)
7022         change->target_element = element_to;
7023
7024       if (change->initial_trigger_element == element_from)
7025         change->initial_trigger_element = element_to;
7026
7027       if (change->action_element == element_from)
7028         change->action_element = element_to;
7029
7030       for (y = 0; y < 3; y++)
7031         for (x = 0; x < 3; x++)
7032           if (change->target_content.e[x][y] == element_from)
7033             change->target_content.e[x][y] = element_to;
7034     }
7035
7036     if (ei->group != NULL)                              /* group or internal */
7037       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7038         if (ei->group->element[j] == element_from)
7039           ei->group->element[j] = element_to;
7040   }
7041 }
7042
7043 static void replace_custom_element_in_playfield(int element_from,
7044                                                 int element_to)
7045 {
7046   int x, y;
7047
7048   for (x = 0; x < lev_fieldx; x++)
7049     for (y = 0; y < lev_fieldy; y++)
7050       if (Feld[x][y] == element_from)
7051         Feld[x][y] = element_to;
7052 }
7053
7054 static boolean CopyCustomElement(int element_old, int element_new,
7055                                  int copy_mode)
7056 {
7057   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7058   {
7059     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7060                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7061     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7062   }
7063   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7064   {
7065     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7066                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7067     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7068
7069     level.changed = TRUE;
7070   }
7071   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7072   {
7073     Request("Please choose custom element!", REQ_CONFIRM);
7074
7075     return FALSE;
7076   }
7077   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7078   {
7079     Request("Please choose group element!", REQ_CONFIRM);
7080
7081     return FALSE;
7082   }
7083   else
7084   {
7085     level.changed = TRUE;
7086   }
7087
7088   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7089   {
7090     copy_custom_element_settings(element_new, element_old);
7091   }
7092   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7093   {
7094     copy_custom_element_settings(element_old, element_new);
7095   }
7096   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7097   {
7098     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7099     copy_custom_element_settings(element_new, element_old);
7100     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7101
7102     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7103     replace_custom_element_in_settings(element_new, element_old);
7104     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7105
7106     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7107     replace_custom_element_in_playfield(element_new, element_old);
7108     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7109   }
7110
7111   UpdateCustomElementGraphicGadgets();
7112   DrawPropertiesWindow();
7113
7114   return TRUE;
7115 }
7116
7117 static void CopyCustomElementPropertiesToEditor(int element)
7118 {
7119   int i;
7120   int current_change_page = element_info[element].current_change_page;
7121
7122   /* dynamically (re)build selectbox for selecting change page */
7123   for (i = 0; i < element_info[element].num_change_pages; i++)
7124   {
7125     sprintf(options_change_page_strings[i], "%d", i + 1);
7126
7127     options_change_page[i].value = i;
7128     options_change_page[i].text = options_change_page_strings[i];
7129   }
7130
7131   options_change_page[i].value = -1;
7132   options_change_page[i].text = NULL;
7133
7134   /* needed here to initialize combined element properties */
7135   InitElementPropertiesEngine(level.game_version);
7136
7137   element_info[element].change =
7138     &element_info[element].change_page[current_change_page];
7139
7140   custom_element = element_info[element];
7141   custom_element_change = *element_info[element].change;
7142
7143   /* needed to initially set selectbox options for special action options */
7144   setSelectboxSpecialActionOptions();
7145
7146   /* needed to initially set selectbox value variables to reliable defaults */
7147   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7148     setSelectboxValue(i, *selectbox_info[i].value);
7149
7150   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7151     custom_element_properties[i] = HAS_PROPERTY(element, i);
7152
7153   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7154     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7155
7156   /* ---------- element settings: configure (custom elements) ------------- */
7157
7158   /* set accessible layer selectbox help value */
7159   custom_element.access_type =
7160     (IS_WALKABLE(element) ? EP_WALKABLE :
7161      IS_PASSABLE(element) ? EP_PASSABLE :
7162      custom_element.access_type);
7163   custom_element.access_layer =
7164     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7165      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7166      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7167      custom_element.access_layer);
7168   custom_element.access_protected =
7169     (IS_PROTECTED(element) ? 1 : 0);
7170   custom_element_properties[EP_ACCESSIBLE] =
7171     (IS_ACCESSIBLE_OVER(element) ||
7172      IS_ACCESSIBLE_INSIDE(element) ||
7173      IS_ACCESSIBLE_UNDER(element));
7174
7175   /* set walk-to-object action selectbox help value */
7176   custom_element.walk_to_action =
7177     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7178      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7179      IS_DROPPABLE(element) ? EP_DROPPABLE :
7180      IS_THROWABLE(element) ? EP_THROWABLE :
7181      IS_PUSHABLE(element) ? EP_PUSHABLE :
7182      custom_element.walk_to_action);
7183   custom_element_properties[EP_WALK_TO_OBJECT] =
7184     (IS_DIGGABLE(element) ||
7185      IS_COLLECTIBLE_ONLY(element) ||
7186      IS_DROPPABLE(element) ||
7187      IS_THROWABLE(element) ||
7188      IS_PUSHABLE(element));
7189
7190   /* set smash targets selectbox help value */
7191   custom_element.smash_targets =
7192     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7193      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7194      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7195      custom_element.smash_targets);
7196   custom_element_properties[EP_CAN_SMASH] =
7197     (CAN_SMASH_EVERYTHING(element) ||
7198      CAN_SMASH_ENEMIES(element) ||
7199      CAN_SMASH_PLAYER(element));
7200
7201   /* set deadliness selectbox help value */
7202   custom_element.deadliness =
7203     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7204      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7205      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7206      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7207      custom_element.deadliness);
7208   custom_element_properties[EP_DEADLY] =
7209     (DONT_TOUCH(element) ||
7210      DONT_GET_HIT_BY(element) ||
7211      DONT_COLLIDE_WITH(element) ||
7212      DONT_RUN_INTO(element));
7213
7214   /* ---------- element settings: advanced (custom elements) --------------- */
7215
7216   /* set "change by direct action" selectbox help value */
7217   custom_element_change.direct_action =
7218     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7219      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7220      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7221      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7222      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7223      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7224      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7225      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7226      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7227      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7228      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7229      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7230      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7231      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7232      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7233      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7234      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7235      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7236      custom_element_change.direct_action);
7237
7238   /* set "change by other element action" selectbox help value */
7239   custom_element_change.other_action =
7240     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7241      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7242      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7243      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7244      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7245      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7246      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7247      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7248      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7249      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7250      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7251      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7252      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7253      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7254      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7255      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7256      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7257      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7258      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7259      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7260      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7261      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7262      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7263      custom_element_change.other_action);
7264 }
7265
7266 static void CopyGroupElementPropertiesToEditor(int element)
7267 {
7268   group_element_info = *element_info[element].group;
7269   custom_element = element_info[element];       /* needed for description */
7270 }
7271
7272 static void CopyClassicElementPropertiesToEditor(int element)
7273 {
7274   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7275     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7276       getMoveIntoAcidProperty(&level, element);
7277
7278   if (MAYBE_DONT_COLLIDE_WITH(element))
7279     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7280       getDontCollideWithProperty(&level, element);
7281 }
7282
7283 static void CopyElementPropertiesToEditor(int element)
7284 {
7285   if (IS_CUSTOM_ELEMENT(element))
7286     CopyCustomElementPropertiesToEditor(element);
7287   else if (IS_GROUP_ELEMENT(element))
7288     CopyGroupElementPropertiesToEditor(element);
7289   else
7290     CopyClassicElementPropertiesToEditor(element);
7291 }
7292
7293 static void CopyCustomElementPropertiesToGame(int element)
7294 {
7295   int i;
7296   int access_type_and_layer;
7297
7298   /* mark that this custom element has been modified */
7299   custom_element.modified_settings = TRUE;
7300   level.changed = TRUE;
7301
7302   if (level.use_custom_template)
7303   {
7304     if (Request("Copy and modify level template?", REQ_ASK))
7305     {
7306       level.use_custom_template = FALSE;
7307       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7308                    GDI_CHECKED, FALSE, GDI_END);
7309     }
7310     else
7311     {
7312       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7313
7314       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7315     }
7316   }
7317
7318   element_info[element] = custom_element;
7319   *element_info[element].change = custom_element_change;
7320
7321   /* ---------- element settings: configure (custom elements) ------------- */
7322
7323   /* set accessible property from checkbox and selectbox */
7324   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7325   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7326   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7327   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7328   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7329   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7330   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7331                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7332                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7333   custom_element_properties[access_type_and_layer] =
7334     custom_element_properties[EP_ACCESSIBLE];
7335   custom_element_properties[EP_PROTECTED] =
7336     (custom_element.access_protected != 0 &&
7337      custom_element_properties[EP_ACCESSIBLE]);
7338
7339   /* set walk-to-object property from checkbox and selectbox */
7340   custom_element_properties[EP_DIGGABLE] = FALSE;
7341   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7342   custom_element_properties[EP_DROPPABLE] = FALSE;
7343   custom_element_properties[EP_THROWABLE] = FALSE;
7344   custom_element_properties[EP_PUSHABLE] = FALSE;
7345   custom_element_properties[custom_element.walk_to_action] =
7346     custom_element_properties[EP_WALK_TO_OBJECT];
7347
7348   /* set smash property from checkbox and selectbox */
7349   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7350   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7351   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7352   custom_element_properties[custom_element.smash_targets] =
7353     custom_element_properties[EP_CAN_SMASH];
7354
7355   /* set deadliness property from checkbox and selectbox */
7356   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7357   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7358   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7359   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7360   custom_element_properties[custom_element.deadliness] =
7361     custom_element_properties[EP_DEADLY];
7362
7363   /* ---------- element settings: advanced (custom elements) --------------- */
7364
7365   /* set player change event from checkbox and selectbox */
7366   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7367   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7368   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7369   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7370   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7371   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7372   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7373   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7374   custom_element_change_events[CE_SWITCHED] = FALSE;
7375   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7376   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7377   custom_element_change_events[CE_BLOCKED] = FALSE;
7378   custom_element_change_events[CE_IMPACT] = FALSE;
7379   custom_element_change_events[CE_SMASHED] = FALSE;
7380   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7381   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7382   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7383   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7384   custom_element_change_events[custom_element_change.direct_action] =
7385     custom_element_change_events[CE_BY_DIRECT_ACTION];
7386
7387   /* set other element action change event from checkbox and selectbox */
7388   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7389   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7390   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7391   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7392   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7393   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7394   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7395   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7396   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7397   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7398   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7399   custom_element_change_events[CE_HITTING_X] = FALSE;
7400   custom_element_change_events[CE_DIGGING_X] = FALSE;
7401   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7402   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7403   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7404   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7405   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7406   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7407   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7408   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7409   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7410   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7411   custom_element_change_events[custom_element_change.other_action] =
7412     custom_element_change_events[CE_BY_OTHER_ACTION];
7413
7414   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7415     SET_PROPERTY(element, i, custom_element_properties[i]);
7416
7417   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7418     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7419
7420   /* copy change events also to special level editor variable */
7421   custom_element = element_info[element];
7422   custom_element_change = *element_info[element].change;
7423 }
7424
7425 static void CopyGroupElementPropertiesToGame(int element)
7426 {
7427   element_info[element] = custom_element;
7428   *element_info[element].group = group_element_info;
7429
7430   /* mark that this group element has been modified */
7431   element_info[element].modified_settings = TRUE;
7432   level.changed = TRUE;
7433 }
7434
7435 static void CopyClassicElementPropertiesToGame(int element)
7436 {
7437   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7438     setMoveIntoAcidProperty(&level, element,
7439                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7440
7441   if (MAYBE_DONT_COLLIDE_WITH(element))
7442     setDontCollideWithProperty(&level, element,
7443                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7444 }
7445
7446 static void CopyElementPropertiesToGame(int element)
7447 {
7448   if (IS_CUSTOM_ELEMENT(element))
7449     CopyCustomElementPropertiesToGame(element);
7450   else if (IS_GROUP_ELEMENT(element))
7451     CopyGroupElementPropertiesToGame(element);
7452   else
7453     CopyClassicElementPropertiesToGame(element);
7454 }
7455
7456 void CheckElementDescriptions()
7457 {
7458   int i;
7459
7460   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7461     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7462       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7463 }
7464
7465 static boolean playfield_area_changed = FALSE;
7466
7467 void DrawLevelEd()
7468 {
7469   StopAnimation();
7470
7471   CloseDoor(DOOR_CLOSE_ALL);
7472
7473   FadeOut(REDRAW_FIELD);
7474
7475   /* needed after playing if editor playfield area has different size */
7476   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7477
7478   /* needed if different viewport properties defined for editor */
7479   ChangeViewportPropertiesIfNeeded();
7480
7481   playfield_area_changed = DrawingAreaChanged();
7482
7483   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7484
7485 #if DEBUG
7486   CheckElementDescriptions();
7487 #endif
7488
7489   if (level_editor_test_game)
7490   {
7491     CopyPlayfield(level.field, Feld);
7492     CopyPlayfield(FieldBackup, level.field);
7493
7494     level_editor_test_game = FALSE;
7495   }
7496   else
7497   {
7498     edit_mode = ED_MODE_DRAWING;
7499     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7500     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7501
7502     ResetUndoBuffer();
7503
7504     level_xpos = -1;
7505     level_ypos = -1;
7506   }
7507
7508   /* needed for gadgets drawn on background (like palette scrollbar) */
7509   SetDoorBackgroundImage(IMG_UNDEFINED);
7510
7511   /* copy default editor door content to main double buffer */
7512   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7513              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7514              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7515              DXSIZE, DYSIZE, DX, DY);
7516
7517   /* draw bigger door */
7518   DrawSpecialEditorDoor();
7519
7520   /* draw new control window */
7521   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7522              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7523
7524   // redraw_mask |= REDRAW_ALL;
7525
7526   FreeLevelEditorGadgets();
7527   CreateLevelEditorGadgets();
7528
7529   ReinitializeElementList();            /* update dynamic level element list */
7530   ReinitializeElementListButtons();     /* custom element may look different */
7531
7532   InitElementPropertiesGfxElement();
7533
7534   UnmapAllGadgets();
7535   MapControlButtons();
7536
7537   DrawEditModeWindow();
7538
7539   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7540
7541   /* copy actual editor door content to door double buffer for OpenDoor() */
7542   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7543 }
7544
7545 static void AdjustDrawingAreaGadgets()
7546 {
7547   int ed_xsize = lev_fieldx + 2;
7548   int ed_ysize = lev_fieldy + 2;
7549   int max_ed_fieldx = MAX_ED_FIELDX;
7550   int max_ed_fieldy = MAX_ED_FIELDY;
7551   boolean horizontal_scrollbar_needed;
7552   boolean vertical_scrollbar_needed;
7553   int x, y, width, height;
7554   int xoffset, yoffset;
7555
7556   /* check if we need any scrollbars */
7557   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7558   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7559
7560   /* check if we have a smaller editor field because of scrollbars */
7561   if (horizontal_scrollbar_needed)
7562     max_ed_fieldy = MAX_ED_FIELDY - 1;
7563   if (vertical_scrollbar_needed)
7564     max_ed_fieldx = MAX_ED_FIELDX - 1;
7565
7566   /* check again if we now need more scrollbars because of less space */
7567   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7568   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7569
7570   /* check if editor field gets even smaller after adding new scrollbars */
7571   if (horizontal_scrollbar_needed)
7572     max_ed_fieldy = MAX_ED_FIELDY - 1;
7573   if (vertical_scrollbar_needed)
7574     max_ed_fieldx = MAX_ED_FIELDX - 1;
7575
7576   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7577   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7578
7579   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7580                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7581                GDI_END);
7582
7583   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7584   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7585
7586   x = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7587   y = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7588
7589   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7590   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7591
7592   width  = scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7593   height = scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7594
7595   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7596                GDI_WIDTH, width,
7597                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7598                GDI_END);
7599   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7600                GDI_HEIGHT, height,
7601                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7602                GDI_END);
7603 }
7604
7605 static void AdjustLevelScrollPosition()
7606 {
7607   if (level_xpos < -1)
7608     level_xpos = -1;
7609   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7610     level_xpos = lev_fieldx - ed_fieldx + 1;
7611   if (lev_fieldx < ed_fieldx - 2)
7612     level_xpos = -1;
7613
7614   if (level_ypos < -1)
7615     level_ypos = -1;
7616   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7617     level_ypos = lev_fieldy - ed_fieldy + 1;
7618   if (lev_fieldy < ed_fieldy - 2)
7619     level_ypos = -1;
7620 }
7621
7622 static void AdjustEditorScrollbar(int id)
7623 {
7624   struct GadgetInfo *gi = level_editor_gadget[id];
7625   int items_max, items_visible, item_position;
7626
7627   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7628   {
7629     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7630     items_visible = ed_fieldx;
7631     item_position = level_xpos + 1;
7632   }
7633   else
7634   {
7635     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7636     items_visible = ed_fieldy;
7637     item_position = level_ypos + 1;
7638   }
7639
7640   if (item_position > items_max - items_visible)
7641     item_position = items_max - items_visible;
7642
7643   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7644                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7645 }
7646
7647 static void AdjustElementListScrollbar()
7648 {
7649   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7650   int items_max, items_visible, item_position;
7651
7652   /* correct position of element list scrollbar */
7653   if (element_shift < 0)
7654     element_shift = 0;
7655   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7656     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7657
7658   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7659   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7660   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7661
7662   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7663                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7664                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7665 }
7666
7667 static void ModifyEditorCounterValue(int counter_id, int new_value)
7668 {
7669   int *counter_value = counterbutton_info[counter_id].value;
7670   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7671   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7672
7673   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7674
7675   if (counter_value != NULL)
7676     *counter_value = gi->textinput.number_value;
7677 }
7678
7679 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7680 {
7681   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7682   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7683
7684   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7685
7686   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7687       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7688   {
7689     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7690     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7691
7692     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7693     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7694   }
7695 }
7696
7697 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7698 {
7699   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7700   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7701   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7702
7703   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7704 }
7705
7706 static void ModifyEditorSelectboxOptions(int selectbox_id,
7707                                          struct ValueTextInfo *options)
7708 {
7709   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7710   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7711
7712   selectbox_info[selectbox_id].options = options;
7713
7714   /* set index to zero -- list may be shorter now (correct later, if needed) */
7715   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7716                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7717 }
7718
7719 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7720 {
7721   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7722   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7723
7724   drawingarea_info[drawingarea_id].area_xsize = xsize;
7725   drawingarea_info[drawingarea_id].area_ysize = ysize;
7726
7727   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7728 }
7729
7730 static void ModifyEditorElementList()
7731 {
7732   int i;
7733
7734   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7735   {
7736     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7737     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7738     struct GadgetDesign *gd = &gi->deco.design;
7739     int element = editor_elements[element_shift + i];
7740
7741     UnmapGadget(gi);
7742
7743     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7744
7745     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7746
7747     MapGadget(gi);
7748   }
7749 }
7750
7751 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7752 {
7753   int graphic = el2edimg(element);
7754   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7755
7756   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7757 }
7758
7759 static void PickDrawingElement(int button, int element)
7760 {
7761   struct
7762   {
7763     int *new_element;
7764     struct EditorPaletteElementInfo *e;
7765   } de, drawing_elements[] =
7766   {
7767     { &new_element1,    &editor.palette.element_left    },
7768     { &new_element2,    &editor.palette.element_middle  },
7769     { &new_element3,    &editor.palette.element_right   },
7770   };
7771
7772   if (button < 1 || button > 3)
7773     return;
7774
7775   de = drawing_elements[button - 1];
7776
7777   DrawDrawingElement((*de.new_element = element), de.e);
7778
7779   redraw_mask |= REDRAW_DOOR_1;
7780 }
7781
7782 static void RedrawDrawingElements()
7783 {
7784   PickDrawingElement(1, new_element1);
7785   PickDrawingElement(2, new_element2);
7786   PickDrawingElement(3, new_element3);
7787 }
7788
7789 static void DrawDrawingWindow()
7790 {
7791   stick_element_properties_window = FALSE;
7792
7793   SetMainBackgroundImage(IMG_UNDEFINED);
7794   ClearField();
7795
7796   UnmapLevelEditorFieldGadgets();
7797   UnmapLevelEditorToolboxCustomGadgets();
7798
7799   AdjustDrawingAreaGadgets();
7800   AdjustLevelScrollPosition();
7801   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7802   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7803
7804   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7805
7806   MapMainDrawingArea();
7807   MapLevelEditorToolboxDrawingGadgets();
7808 }
7809
7810 static int getTabulatorBarWidth()
7811 {
7812   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7813   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7814
7815   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7816 }
7817
7818 static void DrawLevelInfoTabulatorGadgets()
7819 {
7820   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7821   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7822   int gd_x = gd->x + gd_gi1->border.width / 2;
7823   int gd_y = gd->y + gd_gi1->height - 1;
7824   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7825   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7826   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7827   int i;
7828
7829   for (i = id_first; i <= id_last; i++)
7830   {
7831     int gadget_id = textbutton_info[i].gadget_id;
7832     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7833     boolean active = (i != edit_mode_levelinfo);
7834
7835     /* draw background line below tabulator button */
7836     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7837
7838     /* draw solid line below inactive tabulator buttons */
7839     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7840       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7841
7842     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7843     MapTextbuttonGadget(i);
7844   }
7845
7846   /* draw little border line below tabulator buttons */
7847   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7848     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7849                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7850                   tab_color);
7851 }
7852
7853 static void DrawPropertiesTabulatorGadgets()
7854 {
7855   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7856   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7857   int gd_x = gd->x + gd_gi1->border.width / 2;
7858   int gd_y = gd->y + gd_gi1->height - 1;
7859   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7860   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7861   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7862   int i;
7863
7864   /* draw two config tabulators for player elements */
7865   if (ELEM_IS_PLAYER(properties_element))
7866     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7867
7868   /* draw two config and one "change" tabulator for custom elements */
7869   if (IS_CUSTOM_ELEMENT(properties_element))
7870     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7871
7872   for (i = id_first; i <= id_last; i++)
7873   {
7874     int gadget_id = textbutton_info[i].gadget_id;
7875     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7876     boolean active = (i != edit_mode_properties);
7877
7878     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7879     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7880         (ELEM_IS_PLAYER(properties_element) ||
7881          IS_CUSTOM_ELEMENT(properties_element)))
7882       continue;
7883
7884     /* draw background line below tabulator button */
7885     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7886
7887     /* draw solid line below inactive tabulator buttons */
7888     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7889       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7890
7891     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7892     MapTextbuttonGadget(i);
7893   }
7894
7895   /* draw little border line below tabulator buttons */
7896   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7897     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7898                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7899                   tab_color);
7900 }
7901
7902 static void DrawLevelInfoLevel()
7903 {
7904   int i;
7905
7906   /* draw counter gadgets */
7907   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7908     MapCounterButtons(i);
7909
7910   /* draw selectbox gadgets */
7911   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7912     MapSelectboxGadget(i);
7913
7914   /* draw text input gadgets */
7915   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7916     MapTextInputGadget(i);
7917 }
7918
7919 static void DrawLevelInfoEditor()
7920 {
7921   int i;
7922
7923   /* draw counter gadgets */
7924   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7925     MapCounterButtons(i);
7926
7927   /* draw checkbutton gadgets */
7928   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7929     MapCheckbuttonGadget(i);
7930
7931   /* draw radiobutton gadgets */
7932   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7933     MapRadiobuttonGadget(i);
7934
7935   /* draw drawing area */
7936   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7937 }
7938
7939 static void DrawLevelInfoWindow()
7940 {
7941   stick_element_properties_window = FALSE;
7942
7943   UnmapLevelEditorFieldGadgets();
7944
7945   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7946   ClearField();
7947
7948   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7949
7950   DrawLevelInfoTabulatorGadgets();
7951
7952   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7953     DrawLevelInfoLevel();
7954   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7955     DrawLevelInfoEditor();
7956 }
7957
7958 static void DrawCustomContentArea()
7959 {
7960   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7961   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7962   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7963   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7964   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7965   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7966
7967   /* add distance for potential left text (without drawing area border) */
7968   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7969
7970   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7971
7972   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7973 }
7974
7975 static void DrawCustomChangeContentArea()
7976 {
7977   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7978   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7979   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7980   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7981   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7982   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7983
7984   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7985
7986   MapDrawingArea(id);
7987 }
7988
7989 static void DrawYamYamContentAreas()
7990 {
7991   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7992   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7993   int i;
7994
7995   /* display counter to choose number of element content areas */
7996   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
7997
7998   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
7999   {
8000     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8001
8002     if (i < level.num_yamyam_contents)
8003     {
8004       MapDrawingArea(id);
8005     }
8006     else
8007     {
8008       int font_height = getFontHeight(FONT_TEXT_1);
8009
8010       UnmapDrawingArea(id);
8011
8012       /* delete content areas in case of reducing number of them */
8013       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8014                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8015                      4 * MINI_TILEX,
8016                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8017     }
8018   }
8019
8020   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
8021   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
8022   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
8023 }
8024
8025 static void DrawMagicBallContentAreas()
8026 {
8027   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8028   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8029   int i;
8030
8031   /* display counter to choose number of element content areas */
8032   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8033
8034   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8035   {
8036     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8037
8038     if (i < level.num_ball_contents)
8039     {
8040       MapDrawingArea(id);
8041     }
8042     else
8043     {
8044       int font_height = getFontHeight(FONT_TEXT_1);
8045
8046       UnmapDrawingArea(id);
8047
8048       /* delete content areas in case of reducing number of them */
8049       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8050                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8051                      4 * MINI_TILEX,
8052                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8053     }
8054   }
8055
8056   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
8057   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
8058   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
8059 }
8060
8061 static void DrawAndroidElementArea(int element)
8062 {
8063   int num_elements = level.num_android_clone_elements;
8064   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8065   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8066   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8067   int xsize = MAX_ANDROID_ELEMENTS;
8068   int ysize = 1;
8069
8070   /* display counter to choose number of element areas */
8071   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8072
8073   if (drawingarea_info[id].text_left != NULL)
8074     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8075
8076   UnmapDrawingArea(id);
8077
8078   ModifyEditorDrawingArea(id, num_elements, 1);
8079
8080   /* delete content areas in case of reducing number of them */
8081   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8082
8083   MapDrawingArea(id);
8084 }
8085
8086 static void DrawGroupElementArea(int element)
8087 {
8088   int num_elements = group_element_info.num_elements;
8089   int id = ED_DRAWING_ID_GROUP_CONTENT;
8090   int bx = ED_ELEMENT_BORDER_INPUT;
8091   int by = ED_ELEMENT_BORDER_INPUT;
8092   int sx = SX + drawingarea_info[id].x - bx;
8093   int sy = SY + drawingarea_info[id].y - by;
8094   int xsize = MAX_ELEMENTS_IN_GROUP;
8095   int ysize = 1;
8096
8097   if (drawingarea_info[id].text_left != NULL)
8098     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8099
8100   UnmapDrawingArea(id);
8101
8102   ModifyEditorDrawingArea(id, num_elements, 1);
8103
8104   /* delete content areas in case of reducing number of them */
8105   DrawBackground(sx, sy, xsize * MINI_TILEX + 2*bx, ysize * MINI_TILEY + 2*by);
8106
8107   MapDrawingArea(id);
8108 }
8109
8110 static void DrawPlayerInitialInventoryArea(int element)
8111 {
8112   int player_nr = GET_PLAYER_NR(element);
8113   int num_elements = level.initial_inventory_size[player_nr];
8114   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8115   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8116   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8117   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8118   int ysize = 1;
8119
8120   /* determine horizontal position to the right of specified gadget */
8121   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8122     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8123            ED_DRAWINGAREA_TEXT_DISTANCE);
8124
8125   /* determine horizontal offset for leading text */
8126   if (drawingarea_info[id].text_left != NULL)
8127     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8128
8129   UnmapDrawingArea(id);
8130
8131   ModifyEditorDrawingArea(id, num_elements, 1);
8132
8133   /* delete content areas in case of reducing number of them */
8134   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8135
8136   MapDrawingArea(id);
8137 }
8138
8139 static void DrawEnvelopeTextArea(int envelope_nr)
8140 {
8141   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8142   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8143
8144   UnmapGadget(gi);
8145   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8146
8147   if (envelope_nr != -1)
8148     textarea_info[id].value = level.envelope[envelope_nr].text;
8149
8150   ModifyGadget(gi, GDI_AREA_SIZE,
8151                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8152                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8153                GDI_END);
8154
8155   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8156 }
8157
8158 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8159 {
8160   int font_height = getFontHeight(font_nr);
8161   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8162   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8163   int sx = SX + pad_x;
8164   int sy = SY + pad_y;
8165   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8166
8167   if (start_line >= max_lines_per_screen)
8168     return FALSE;
8169
8170   DrawText(sx, sy + start_line * font_height, text, font_nr);
8171
8172   return TRUE;
8173 }
8174
8175 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8176 {
8177   int font_nr = FONT_TEXT_2;
8178   int font_width = getFontWidth(font_nr);
8179   int font_height = getFontHeight(font_nr);
8180   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8181   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8182   int sx = SX + pad_x;
8183   int sy = SY + pad_y + start_line * font_height;
8184   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8185   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8186   int max_lines_drawable = max_lines_per_screen - start_line;
8187
8188   if (start_line >= max_lines_per_screen)
8189     return FALSE;
8190
8191   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8192                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8193 }
8194
8195 static void DrawPropertiesInfo()
8196 {
8197   static struct
8198   {
8199     int value;
8200     char *text;
8201   }
8202   properties[] =
8203   {
8204     /* configurable properties */
8205
8206     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8207     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8208     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8209     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8210     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8211     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8212     { EP_PROTECTED,             "- player is protected by it"           },
8213
8214     { EP_DIGGABLE,              "- can be digged away"                  },
8215     { EP_COLLECTIBLE,           "- can be collected"                    },
8216     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8217     { EP_THROWABLE,             "- can be thrown after collecting"      },
8218     { EP_PUSHABLE,              "- can be pushed"                       },
8219
8220     { EP_CAN_FALL,              "- can fall"                            },
8221     { EP_CAN_MOVE,              "- can move"                            },
8222
8223     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8224 #if 0
8225     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8226 #endif
8227     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8228
8229     { EP_SLIPPERY,              "- slippery for falling elements"       },
8230     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8231
8232     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8233     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8234     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8235     { EP_DONT_TOUCH,            "- deadly when touching"                },
8236
8237     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8238
8239     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8240     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8241     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8242
8243     { EP_CAN_CHANGE,            "- can change to other element"         },
8244
8245     /* pre-defined properties */
8246     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8247     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8248     { EP_SWITCHABLE,            "- can be switched"                     },
8249 #if 0
8250     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8251 #endif
8252
8253     { -1,                       NULL                                    }
8254   };
8255   char *filename = getElementDescriptionFilename(properties_element);
8256   char *percentage_text = "In this level: ";
8257   char *properties_text = "Standard properties: ";
8258   float percentage;
8259   int num_elements_in_level;
8260   int num_standard_properties = 0;
8261   int font1_nr = FONT_TEXT_1;
8262   int font2_nr = FONT_TEXT_2;
8263   int font1_width = getFontWidth(font1_nr);
8264   int font2_height = getFontHeight(font2_nr);
8265   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8266   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8267   int screen_line = 0;
8268   int i, x, y;
8269
8270   if (setup.editor.show_element_token)
8271   {
8272     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8273               "[%s]", element_info[properties_element].token_name);
8274     screen_line++;
8275   }
8276
8277   /* ----- print number of elements / percentage of this element in level */
8278
8279   num_elements_in_level = 0;
8280   for (y = 0; y < lev_fieldy; y++)
8281     for (x = 0; x < lev_fieldx; x++)
8282       if (Feld[x][y] == properties_element)
8283         num_elements_in_level++;
8284   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8285
8286   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8287             percentage_text);
8288   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8289             pad_y + screen_line++ * font2_height, font2_nr,
8290             "%d (%.2f%%)", num_elements_in_level, percentage);
8291
8292   screen_line++;
8293
8294   /* ----- print standard properties of this element */
8295
8296   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8297             properties_text);
8298
8299   for (i = 0; properties[i].value != -1; i++)
8300   {
8301     if (!HAS_PROPERTY(properties_element, properties[i].value))
8302       continue;
8303
8304     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8305               properties[i].text);
8306     num_standard_properties++;
8307   }
8308
8309   if (num_standard_properties == 0)
8310     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8311               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8312
8313   screen_line++;
8314
8315   /* ----- print special description of this element */
8316
8317   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8318   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8319     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8320 }
8321
8322 #define TEXT_COLLECTING         "Score for collecting"
8323 #define TEXT_SMASHING           "Score for smashing"
8324 #define TEXT_SLURPING           "Score for slurping robot"
8325 #define TEXT_CRACKING           "Score for cracking"
8326 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8327 #define TEXT_DURATION           "Duration when activated"
8328 #define TEXT_BALL_DELAY         "Element generation delay"
8329 #define TEXT_MOVE_SPEED         "Speed of android moving"
8330 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8331 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8332 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8333 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8334 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8335 #define TEXT_TIME_BONUS         "Extra time to solve level"
8336
8337 static struct
8338 {
8339   int element;
8340   int *value;
8341   char *text;
8342 } elements_with_counter[] =
8343 {
8344   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8345   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8346   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8347   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8348   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8349   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8350   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8351   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8352   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8353   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8354   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8355   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8356   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8357   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8358   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8359   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8360   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8361   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8362   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8363   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8364   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8365   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8366   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8367   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8368   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8369   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8370   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8371   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8372   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8373   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8374   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8375   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8376   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8377   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8378   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8379   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8380   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8381   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8382   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8383   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8384   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8385   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8386   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8387   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8388   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8389   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8390   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8391   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8392   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8393   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8394   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8395   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8396   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8397   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8398   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8399   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8400   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8401   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8402   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8403   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8404   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8405   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8406   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8407   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8408   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8409   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8410   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8411   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8412   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8413   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8414   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8415   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8416   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8417   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8418
8419   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8420   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8421   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8422   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8423   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8424   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8425   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8426   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8427   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8428   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8429   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8430   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8431   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8432   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8433   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8434   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8435
8436   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8437   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8438   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8439   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8440   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8441   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8442   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8443   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8444
8445   { -1,                 NULL,                           NULL            }
8446 };
8447
8448 static boolean checkPropertiesConfig(int element)
8449 {
8450   int i;
8451
8452   if (IS_GEM(element) ||
8453       IS_CUSTOM_ELEMENT(element) ||
8454       IS_GROUP_ELEMENT(element) ||
8455       IS_ENVELOPE(element) ||
8456       ELEM_IS_PLAYER(element) ||
8457       HAS_EDITOR_CONTENT(element) ||
8458       CAN_GROW(element) ||
8459       COULD_MOVE_INTO_ACID(element) ||
8460       MAYBE_DONT_COLLIDE_WITH(element) ||
8461       element == EL_SOKOBAN_OBJECT ||
8462       element == EL_SOKOBAN_FIELD_EMPTY ||
8463       element == EL_SOKOBAN_FIELD_FULL)
8464     return TRUE;
8465   else
8466     for (i = 0; elements_with_counter[i].element != -1; i++)
8467       if (elements_with_counter[i].element == element)
8468         return TRUE;
8469
8470   return FALSE;
8471 }
8472
8473 static void DrawPropertiesConfig()
8474 {
8475   boolean draw_footer_line = FALSE;
8476   int max_num_element_counters = 4;
8477   int num_element_counters = 0;
8478   int i;
8479
8480   if (!checkPropertiesConfig(properties_element))
8481   {
8482     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8483
8484     return;
8485   }
8486
8487   /* check if there are elements where a value can be chosen for */
8488   for (i = 0; elements_with_counter[i].element != -1; i++)
8489   {
8490     if (elements_with_counter[i].element == properties_element)
8491     {
8492       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8493
8494       counterbutton_info[counter_id].y =
8495         ED_ELEMENT_SETTINGS_YPOS(
8496                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8497                 (CAN_GROW(properties_element)                ? 1 : 0) +
8498                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8499                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8500                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8501                 num_element_counters);
8502
8503       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8504       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8505
8506       if (properties_element == EL_GAME_OF_LIFE ||
8507           properties_element == EL_BIOMAZE)
8508       {
8509         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8510         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8511       }
8512       else
8513       {
8514         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8515         counterbutton_info[counter_id].min_value = MIN_SCORE;
8516         counterbutton_info[counter_id].max_value = MAX_SCORE;
8517       }
8518
8519       MapCounterButtons(counter_id);
8520
8521       num_element_counters++;
8522       if (num_element_counters >= max_num_element_counters)
8523         break;
8524     }
8525   }
8526
8527   if (HAS_EDITOR_CONTENT(properties_element))
8528   {
8529     /* draw stickybutton gadget */
8530     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8531
8532     if (IS_AMOEBOID(properties_element))
8533       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8534     else if (properties_element == EL_YAMYAM ||
8535              properties_element == EL_YAMYAM_LEFT ||
8536              properties_element == EL_YAMYAM_RIGHT ||
8537              properties_element == EL_YAMYAM_UP ||
8538              properties_element == EL_YAMYAM_DOWN)
8539       DrawYamYamContentAreas();
8540     else if (properties_element == EL_EMC_MAGIC_BALL)
8541     {
8542       DrawMagicBallContentAreas();
8543
8544       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8545       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8546     }
8547     else if (properties_element == EL_EMC_ANDROID)
8548       DrawAndroidElementArea(properties_element);
8549   }
8550
8551   if (ELEM_IS_PLAYER(properties_element))
8552   {
8553     int player_nr = GET_PLAYER_NR(properties_element);
8554
8555     /* these properties can be set for every player individually */
8556
8557     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8558     {
8559       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8560         &level.start_element[player_nr];
8561       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8562         &level.artwork_element[player_nr];
8563       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8564         &level.explosion_element[player_nr];
8565
8566       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8567         &level.use_start_element[player_nr];
8568       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8569         &level.use_artwork_element[player_nr];
8570       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8571         &level.use_explosion_element[player_nr];
8572       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8573         &level.initial_player_gravity[player_nr];
8574
8575       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8576         &level.initial_player_stepsize[player_nr];
8577
8578       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8579       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8580                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8581                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8582       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8583       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8584       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8585       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8586       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8587       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8588       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8589       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8590       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8591
8592       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8593       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8594       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8595
8596       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8597     }
8598     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8599     {
8600       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8601         &level.initial_inventory_content[player_nr][0];
8602
8603       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8604         &level.initial_inventory_size[player_nr];
8605
8606       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8607         &level.use_initial_inventory[player_nr];
8608
8609       /* draw checkbutton gadgets */
8610       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8611
8612       /* draw counter gadgets */
8613       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8614
8615       /* draw drawing area gadgets */
8616       DrawPlayerInitialInventoryArea(properties_element);
8617     }
8618   }
8619
8620   if (IS_GEM(properties_element))
8621     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8622
8623   if (properties_element == EL_EM_DYNAMITE)
8624     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8625
8626   if (COULD_MOVE_INTO_ACID(properties_element) &&
8627       !ELEM_IS_PLAYER(properties_element) &&
8628       (!IS_CUSTOM_ELEMENT(properties_element) ||
8629        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8630   {
8631     /* set position for checkbutton for "can move into acid" */
8632     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8633       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8634     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8635       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8636                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8637
8638     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8639   }
8640
8641   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8642     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8643
8644   if (properties_element == EL_SPRING)
8645     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8646
8647   if (properties_element == EL_TIME_ORB_FULL)
8648     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8649
8650   if (CAN_GROW(properties_element))
8651   {
8652     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8653       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8654
8655     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8656   }
8657
8658   if (properties_element == EL_SOKOBAN_OBJECT ||
8659       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8660       properties_element == EL_SOKOBAN_FIELD_FULL)
8661     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8662
8663   if (IS_ENVELOPE(properties_element))
8664   {
8665     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8666     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8667     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8668     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8669     int envelope_nr = properties_element - EL_ENVELOPE_1;
8670
8671     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8672     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8673
8674     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8675     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8676
8677     /* display counter to choose size of envelope text area */
8678     MapCounterButtons(counter1_id);
8679     MapCounterButtons(counter2_id);
8680
8681     /* display checkbuttons to choose auto-wrap and alignment properties */
8682     MapCheckbuttonGadget(button1_id);
8683     MapCheckbuttonGadget(button2_id);
8684
8685     DrawEnvelopeTextArea(envelope_nr);
8686   }
8687
8688   if (IS_CUSTOM_ELEMENT(properties_element))
8689   {
8690     /* draw stickybutton gadget */
8691     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8692
8693     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8694     {
8695       /* draw checkbutton gadgets */
8696       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8697            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8698         MapCheckbuttonGadget(i);
8699
8700       /* draw counter gadgets */
8701       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8702            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8703         MapCounterButtons(i);
8704
8705       /* draw selectbox gadgets */
8706       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8707            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8708         MapSelectboxGadget(i);
8709
8710       /* draw textbutton gadgets */
8711       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8712
8713       /* draw text input gadgets */
8714       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8715
8716       /* draw drawing area gadgets */
8717       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8718
8719       draw_footer_line = TRUE;
8720     }
8721     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8722     {
8723       /* draw checkbutton gadgets */
8724       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8725            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8726         MapCheckbuttonGadget(i);
8727
8728       /* draw counter gadgets */
8729       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8730            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8731         MapCounterButtons(i);
8732
8733       /* draw selectbox gadgets */
8734       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8735            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8736         MapSelectboxGadget(i);
8737
8738       /* draw drawing area gadgets */
8739       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8740       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8741       DrawCustomContentArea();
8742     }
8743   }
8744   else if (IS_GROUP_ELEMENT(properties_element))
8745   {
8746     /* draw stickybutton gadget */
8747     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8748
8749     /* draw checkbutton gadgets */
8750     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8751     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8752
8753     /* draw counter gadgets */
8754     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8755
8756     /* draw selectbox gadgets */
8757     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8758
8759     /* draw textbutton gadgets */
8760     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8761
8762     /* draw drawing area gadgets */
8763     DrawGroupElementArea(properties_element);
8764
8765     /* draw text input gadgets */
8766     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8767
8768     /* draw drawing area gadgets */
8769     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8770
8771     draw_footer_line = TRUE;
8772   }
8773
8774   /* draw little footer border line above CE/GE use/save template gadgets */
8775   if (draw_footer_line)
8776   {
8777     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8778     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8779     int gd_x = gd->x + gd_gi1->border.width / 2;
8780     int gd_y = gd->y + gd_gi1->height - 1;
8781     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8782
8783     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8784       FillRectangle(drawto,
8785                     SX + ED_ELEMENT_SETTINGS_XPOS(0),
8786                     SY + ED_ELEMENT_SETTINGS_YPOS(14) - MINI_TILEY / 2,
8787                     getTabulatorBarWidth(), ED_GADGET_DISTANCE,
8788                     tab_color);
8789   }
8790 }
8791
8792 static void DrawPropertiesChangeDrawingAreas()
8793 {
8794   if (IS_CUSTOM_ELEMENT(properties_element))
8795   {
8796     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8797     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8798     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8799
8800     DrawCustomChangeContentArea();
8801   }
8802
8803   redraw_mask |= REDRAW_FIELD;
8804 }
8805
8806 static void DrawPropertiesChange()
8807 {
8808   int i;
8809
8810   /* needed to initially set selectbox options for special action options */
8811   setSelectboxSpecialActionOptions();
8812
8813   /* draw stickybutton gadget */
8814   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8815
8816   /* draw checkbutton gadgets */
8817   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8818        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8819     MapCheckbuttonGadget(i);
8820
8821   /* draw counter gadgets */
8822   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8823        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8824     MapCounterButtons(i);
8825
8826   /* draw selectbox gadgets */
8827   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8828        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8829     MapSelectboxGadget(i);
8830
8831   /* draw textbutton gadgets */
8832   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8833        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8834     MapTextbuttonGadget(i);
8835
8836   /* draw graphicbutton gadgets */
8837   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8838        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8839     MapGraphicbuttonGadget(i);
8840
8841   /* draw drawing area gadgets */
8842   DrawPropertiesChangeDrawingAreas();
8843 }
8844
8845 static void DrawEditorElementAnimation(int x, int y)
8846 {
8847   int graphic = el2img(properties_element);
8848   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8849                custom_element.ce_value_fixed_initial :
8850                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8851                custom_element.collect_score_initial : FrameCounter);
8852
8853   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8854 }
8855
8856 static void DrawEditorElementName(int x, int y, int element)
8857 {
8858   char *element_name = getElementInfoText(element);
8859   int font_nr = FONT_TEXT_1;
8860   int font_width = getFontWidth(font_nr);
8861   int font_height = getFontHeight(font_nr);
8862   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8863   int max_chars_per_line = max_text_width / font_width;
8864   char buffer[max_chars_per_line + 1];
8865
8866   if (strlen(element_name) <= max_chars_per_line)
8867     DrawTextS(x, y, font_nr, element_name);
8868   else
8869   {
8870     int next_pos = max_chars_per_line;
8871
8872     strncpy(buffer, element_name, max_chars_per_line);
8873     buffer[max_chars_per_line] = '\0';
8874
8875     if (element_name[max_chars_per_line] == ' ')
8876       next_pos++;
8877     else
8878     {
8879       int i;
8880
8881       for (i = max_chars_per_line - 1; i >= 0; i--)
8882         if (buffer[i] == ' ')
8883           break;
8884
8885       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8886       {
8887         buffer[i] = '\0';
8888         next_pos = i + 1;
8889       }
8890     }
8891
8892     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8893
8894     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8895     buffer[max_chars_per_line] = '\0';
8896
8897     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8898   }
8899 }
8900
8901 static void DrawPropertiesWindow()
8902 {
8903   int xstart = 2;
8904   int ystart = 4;
8905
8906   stick_element_properties_window = FALSE;
8907
8908   /* make sure that previous properties edit mode exists for this element */
8909   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8910       !IS_CUSTOM_ELEMENT(properties_element))
8911     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8912
8913   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8914       !ELEM_IS_PLAYER(properties_element) &&
8915       !IS_CUSTOM_ELEMENT(properties_element))
8916     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8917
8918   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8919       (ELEM_IS_PLAYER(properties_element) ||
8920        IS_CUSTOM_ELEMENT(properties_element)))
8921     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8922
8923   CopyElementPropertiesToEditor(properties_element);
8924
8925   UnmapLevelEditorFieldGadgets();
8926   UnmapLevelEditorToolboxDrawingGadgets();
8927   UnmapLevelEditorToolboxCustomGadgets();
8928
8929   if (IS_CUSTOM_ELEMENT(properties_element) ||
8930       IS_GROUP_ELEMENT(properties_element))
8931     MapLevelEditorToolboxCustomGadgets();
8932
8933   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8934   ClearField();
8935
8936   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8937
8938   FrameCounter = 0;     /* restart animation frame counter */
8939
8940   DrawElementBorder(SX + xstart * MINI_TILEX,
8941                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8942                     TILEX, TILEY, FALSE);
8943
8944   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8945                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8946
8947   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8948                         (ystart + 1) * MINI_TILEY + 1,
8949                         properties_element);
8950
8951   DrawPropertiesTabulatorGadgets();
8952
8953   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8954     DrawPropertiesInfo();
8955   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8956     DrawPropertiesChange();
8957   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8958     DrawPropertiesConfig();
8959 }
8960
8961 static void UpdateCustomElementGraphicGadgets()
8962 {
8963   struct ElementInfo *ei = &element_info[properties_element];
8964   int i;
8965
8966   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8967                      properties_element);
8968
8969   ModifyEditorElementList();
8970   RedrawDrawingElements();
8971
8972   /* force redraw of all mapped drawing area gadgets */
8973   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8974   {
8975     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8976
8977     if (gi->mapped)
8978       MapDrawingArea(i);
8979   }
8980 }
8981
8982 static int getOpenDirectionFromTube(int element)
8983 {
8984   switch (element)
8985   {
8986     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8987     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8988     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8989     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8990     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8991     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8992     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8993     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8994     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8995     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8996     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
8997   }
8998
8999   return MV_NONE;
9000 }
9001
9002 static int getTubeFromOpenDirection(int direction)
9003 {
9004   switch (direction)
9005   {
9006     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9007     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9008     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9009     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9010     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9011     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9012     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9013     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9014     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9015     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9016     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9017
9018     /* if only one direction, fall back to simple tube with that direction */
9019     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9020     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9021     case (MV_UP):                       return EL_TUBE_VERTICAL;
9022     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9023   }
9024
9025   return EL_EMPTY;
9026 }
9027
9028 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9029 {
9030   int element_new = getTubeFromOpenDirection(direction);
9031
9032   return (element_new != EL_EMPTY ? element_new : element_old);
9033 }
9034
9035 static int getOpenDirectionFromBelt(int element)
9036 {
9037   int belt_dir = getBeltDirFromBeltElement(element);
9038
9039   return (belt_dir == MV_LEFT ? MV_RIGHT :
9040           belt_dir == MV_RIGHT ? MV_LEFT :
9041           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9042 }
9043
9044 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9045 {
9046   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9047                   direction == MV_RIGHT ? MV_LEFT :
9048                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9049
9050   if (direction == MV_NONE)
9051     return EL_EMPTY;
9052
9053   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9054 }
9055
9056 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9057                                                  int element_old)
9058 {
9059   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9060
9061   return (element_new != EL_EMPTY ? element_new : element_old);
9062 }
9063
9064 static int getOpenDirectionFromPool(int element)
9065 {
9066   switch (element)
9067   {
9068     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9069     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9070     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9071     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9072     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9073     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9074   }
9075
9076   return MV_NONE;
9077 }
9078
9079 static int getPoolFromOpenDirection(int direction)
9080 {
9081   switch (direction)
9082   {
9083     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9084     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9085     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9086     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9087     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9088     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9089   }
9090
9091   return EL_EMPTY;
9092 }
9093
9094 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9095 {
9096   int element = getPoolFromOpenDirection(direction);
9097   int help_direction = getOpenDirectionFromPool(help_element);
9098
9099   if (element == EL_EMPTY)
9100   {
9101     int help_direction_vertical = help_direction & MV_VERTICAL;
9102
9103     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9104   }
9105
9106   if (element == EL_EMPTY)
9107   {
9108     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9109
9110     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9111   }
9112
9113   return element;
9114 }
9115
9116 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9117 {
9118   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9119
9120   return (element_new != EL_EMPTY ? element_new : element_old);
9121 }
9122
9123 static int getOpenDirectionFromPillar(int element)
9124 {
9125   switch (element)
9126   {
9127     case EL_EMC_WALL_1:                 return (MV_DOWN);
9128     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9129     case EL_EMC_WALL_3:                 return (MV_UP);
9130   }
9131
9132   return MV_NONE;
9133 }
9134
9135 static int getPillarFromOpenDirection(int direction)
9136 {
9137   switch (direction)
9138   {
9139     case (MV_DOWN):                     return EL_EMC_WALL_1;
9140     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9141     case (MV_UP):                       return EL_EMC_WALL_3;
9142   }
9143
9144   return EL_EMPTY;
9145 }
9146
9147 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9148 {
9149   int element_new = getPillarFromOpenDirection(direction);
9150
9151   return (element_new != EL_EMPTY ? element_new : element_old);
9152 }
9153
9154 static int getOpenDirectionFromSteel2(int element)
9155 {
9156   switch (element)
9157   {
9158     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9159     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9160     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9161     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9162     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9163     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9164     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9165     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9166   }
9167
9168   return MV_NONE;
9169 }
9170
9171 static int getSteel2FromOpenDirection(int direction)
9172 {
9173   switch (direction)
9174   {
9175     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9176     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9177     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9178     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9179     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9180     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9181     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9182     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9183   }
9184
9185   return EL_EMPTY;
9186 }
9187
9188 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9189 {
9190   int element_new = getSteel2FromOpenDirection(direction);
9191
9192   return (element_new != EL_EMPTY ? element_new : element_old);
9193 }
9194
9195 static int getOpenDirectionFromChip(int element)
9196 {
9197   switch (element)
9198   {
9199     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9200     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9201     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9202     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9203     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9204   }
9205
9206   return MV_NONE;
9207 }
9208
9209 static int getChipFromOpenDirection(int direction)
9210 {
9211   switch (direction)
9212   {
9213     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9214     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9215     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9216     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9217     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9218   }
9219
9220   return EL_EMPTY;
9221 }
9222
9223 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9224 {
9225   int element_new = getChipFromOpenDirection(direction);
9226
9227   return (element_new != EL_EMPTY ? element_new : element_old);
9228 }
9229
9230 static int getClosedTube(int x, int y)
9231 {
9232   static int xy[4][2] =
9233   {
9234     { -1, 0 },
9235     { +1, 0 },
9236     { 0, -1 },
9237     { 0, +1 }
9238   };
9239   int element_old = IntelliDrawBuffer[x][y];
9240   int direction_old = getOpenDirectionFromTube(element_old);
9241   int direction_new = MV_NONE;
9242   int i;
9243
9244   for (i = 0; i < NUM_DIRECTIONS; i++)
9245   {
9246     int xx = x + xy[i][0];
9247     int yy = y + xy[i][1];
9248     int dir = MV_DIR_FROM_BIT(i);
9249     int dir_opposite = MV_DIR_OPPOSITE(dir);
9250
9251     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9252         (direction_old & dir) &&
9253         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9254       direction_new |= dir;
9255   }
9256
9257   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9258 }
9259
9260 static int getClosedBelt(int x, int y)
9261 {
9262   static int xy[4][2] =
9263   {
9264     { -1, 0 },
9265     { +1, 0 },
9266     { 0, -1 },
9267     { 0, +1 }
9268   };
9269   int element_old = IntelliDrawBuffer[x][y];
9270   int nr = getBeltNrFromBeltElement(element_old);
9271   int direction_old = getOpenDirectionFromBelt(element_old);
9272   int direction_new = MV_NONE;
9273   int i;
9274
9275   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9276   {
9277     int xx = x + xy[i][0];
9278     int yy = y + xy[i][1];
9279     int dir = MV_DIR_FROM_BIT(i);
9280     int dir_opposite = MV_DIR_OPPOSITE(dir);
9281
9282     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9283         (direction_old & dir) &&
9284         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9285       direction_new |= dir;
9286   }
9287
9288   return getBeltFromNrAndOpenDirection(nr, direction_new);
9289 }
9290
9291 static int getClosedPool(int x, int y)
9292 {
9293   static int xy[4][2] =
9294   {
9295     { -1, 0 },
9296     { +1, 0 },
9297     { 0, -1 },
9298     { 0, +1 }
9299   };
9300   int element_old = IntelliDrawBuffer[x][y];
9301   int direction_old = getOpenDirectionFromPool(element_old);
9302   int direction_new = MV_NONE;
9303   int i;
9304
9305   for (i = 0; i < NUM_DIRECTIONS; i++)
9306   {
9307     int xx = x + xy[i][0];
9308     int yy = y + xy[i][1];
9309     int dir = MV_DIR_FROM_BIT(i);
9310     int dir_opposite = MV_DIR_OPPOSITE(dir);
9311
9312     if (IN_LEV_FIELD(xx, yy) &&
9313         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9314         (direction_old & dir) &&
9315         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9316       direction_new |= dir;
9317   }
9318
9319   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9320 }
9321
9322 static int getClosedPillar(int x, int y)
9323 {
9324   static int xy[4][2] =
9325   {
9326     { -1, 0 },
9327     { +1, 0 },
9328     { 0, -1 },
9329     { 0, +1 }
9330   };
9331   int element_old = IntelliDrawBuffer[x][y];
9332   int direction_old = getOpenDirectionFromPillar(element_old);
9333   int direction_new = MV_NONE;
9334   int i;
9335
9336   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9337   {
9338     int xx = x + xy[i][0];
9339     int yy = y + xy[i][1];
9340     int dir = MV_DIR_FROM_BIT(i);
9341     int dir_opposite = MV_DIR_OPPOSITE(dir);
9342
9343     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9344         (direction_old & dir) &&
9345         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9346       direction_new |= dir;
9347   }
9348
9349   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9350 }
9351
9352 static int getClosedSteel2(int x, int y)
9353 {
9354   static int xy[4][2] =
9355   {
9356     { -1, 0 },
9357     { +1, 0 },
9358     { 0, -1 },
9359     { 0, +1 }
9360   };
9361   int element_old = IntelliDrawBuffer[x][y];
9362   int direction_old = getOpenDirectionFromSteel2(element_old);
9363   int direction_new = MV_NONE;
9364   int i;
9365
9366   for (i = 0; i < NUM_DIRECTIONS; i++)
9367   {
9368     int xx = x + xy[i][0];
9369     int yy = y + xy[i][1];
9370     int dir = MV_DIR_FROM_BIT(i);
9371     int dir_opposite = MV_DIR_OPPOSITE(dir);
9372
9373     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9374         (direction_old & dir) &&
9375         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9376       direction_new |= dir;
9377   }
9378
9379   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9380 }
9381
9382 static int getClosedChip(int x, int y)
9383 {
9384   static int xy[4][2] =
9385   {
9386     { -1, 0 },
9387     { +1, 0 },
9388     { 0, -1 },
9389     { 0, +1 }
9390   };
9391   int element_old = IntelliDrawBuffer[x][y];
9392   int direction_old = getOpenDirectionFromChip(element_old);
9393   int direction_new = MV_NONE;
9394   int i;
9395
9396   for (i = 0; i < NUM_DIRECTIONS; i++)
9397   {
9398     int xx = x + xy[i][0];
9399     int yy = y + xy[i][1];
9400     int dir = MV_DIR_FROM_BIT(i);
9401     int dir_opposite = MV_DIR_OPPOSITE(dir);
9402
9403     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9404         (direction_old & dir) &&
9405         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9406       direction_new |= dir;
9407   }
9408
9409   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9410 }
9411
9412 static void SetElementSimple(int x, int y, int element, boolean change_level)
9413 {
9414   int sx = x - level_xpos;
9415   int sy = y - level_ypos;
9416
9417   IntelliDrawBuffer[x][y] = element;
9418
9419   if (change_level)
9420     Feld[x][y] = element;
9421
9422   if (IN_ED_FIELD(sx, sy))
9423     DrawMiniElement(sx, sy, element);
9424 }
9425
9426 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9427                                            int x2, int y2, int *element2,
9428                                            int (*close_function)(int, int),
9429                                            boolean change_level)
9430 {
9431   /* set neighbour elements to newly determined connections */
9432   SetElementSimple(x1, y1, *element1, change_level);
9433   SetElementSimple(x2, y2, *element2, change_level);
9434
9435   /* remove all open connections of neighbour elements */
9436   *element1 = close_function(x1, y1);
9437   *element2 = close_function(x2, y2);
9438
9439   /* set neighbour elements to new, minimized connections */
9440   SetElementSimple(x1, y1, *element1, change_level);
9441   SetElementSimple(x2, y2, *element2, change_level);
9442 }
9443
9444 static void SetElementIntelliDraw(int x, int y, int new_element,
9445                                   boolean change_level, int button)
9446 {
9447   static int xy[4][2] =
9448   {
9449     { -1, 0 },
9450     { +1, 0 },
9451     { 0, -1 },
9452     { 0, +1 }
9453   };
9454   static int last_x = -1;
9455   static int last_y = -1;
9456   int old_element = IntelliDrawBuffer[x][y];
9457
9458   if (new_element == EL_UNDEFINED)
9459   {
9460     last_x = -1;
9461     last_y = -1;
9462
9463     return;
9464   }
9465
9466   if (IS_TUBE(new_element))
9467   {
9468     int last_element_new = EL_UNDEFINED;
9469     int direction = MV_NONE;
9470     int i;
9471
9472     /* if old element is of same kind, keep all existing directions */
9473     if (IS_TUBE(old_element))
9474       direction |= getOpenDirectionFromTube(old_element);
9475
9476     for (i = 0; i < NUM_DIRECTIONS; i++)
9477     {
9478       int xx = x + xy[i][0];
9479       int yy = y + xy[i][1];
9480
9481       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9482           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9483       {
9484         int dir = MV_DIR_FROM_BIT(i);
9485         int dir_opposite = MV_DIR_OPPOSITE(dir);
9486         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9487         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9488         int last_direction_new = last_direction_old | dir_opposite;
9489
9490         last_element_new = getTubeFromOpenDirection(last_direction_new);
9491
9492         direction |= dir;
9493       }
9494     }
9495
9496     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9497
9498     if (last_element_new != EL_UNDEFINED)
9499       MergeAndCloseNeighbourElements(x, y, &new_element,
9500                                      last_x, last_y, &last_element_new,
9501                                      getClosedTube, change_level);
9502   }
9503   else if (IS_BELT(new_element))
9504   {
9505     int belt_nr = getBeltNrFromBeltElement(new_element);
9506     int last_element_new = EL_UNDEFINED;
9507     int direction = MV_NONE;
9508     int i;
9509
9510     /* if old element is of same kind, keep all existing directions */
9511     if (IS_BELT(old_element))
9512       direction |= getOpenDirectionFromBelt(old_element);
9513
9514     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9515     {
9516       int xx = x + xy[i][0];
9517       int yy = y + xy[i][1];
9518
9519       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9520           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9521       {
9522         int dir = MV_DIR_FROM_BIT(i);
9523         int dir_opposite = MV_DIR_OPPOSITE(dir);
9524         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9525         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9526         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9527         int last_direction_new = last_direction_old | dir_opposite;
9528
9529         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9530                                                          last_direction_new);
9531         direction |= dir;
9532       }
9533     }
9534
9535     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9536                                                         new_element);
9537     if (last_element_new != EL_UNDEFINED)
9538       MergeAndCloseNeighbourElements(x, y, &new_element,
9539                                      last_x, last_y, &last_element_new,
9540                                      getClosedBelt, change_level);
9541   }
9542   else if (IS_ACID_POOL_OR_ACID(new_element))
9543   {
9544     int last_element_new = EL_UNDEFINED;
9545     int direction = MV_NONE;
9546     int i;
9547
9548     /* if old element is of same kind, keep all existing directions */
9549     if (IS_ACID_POOL_OR_ACID(old_element))
9550       direction |= getOpenDirectionFromPool(old_element);
9551
9552     for (i = 0; i < NUM_DIRECTIONS; i++)
9553     {
9554       int xx = x + xy[i][0];
9555       int yy = y + xy[i][1];
9556
9557       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9558           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9559       {
9560         int dir = MV_DIR_FROM_BIT(i);
9561         int dir_opposite = MV_DIR_OPPOSITE(dir);
9562         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9563         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9564         int last_direction_new = last_direction_old | dir_opposite;
9565
9566         last_element_new = getPoolFromOpenDirection(last_direction_new);
9567
9568         direction |= dir;
9569       }
9570     }
9571
9572     /* special corrections needed for intuitively correct acid pool drawing */
9573     if (last_element_new == EL_EMPTY)
9574       last_element_new = new_element;
9575     else if (last_element_new != EL_UNDEFINED)
9576       new_element = last_element_new;
9577
9578     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9579
9580     if (last_element_new != EL_UNDEFINED)
9581       MergeAndCloseNeighbourElements(x, y, &new_element,
9582                                      last_x, last_y, &last_element_new,
9583                                      getClosedPool, change_level);
9584   }
9585   else if (IS_EMC_PILLAR(new_element))
9586   {
9587     int last_element_new = EL_UNDEFINED;
9588     int direction = MV_NONE;
9589     int i;
9590
9591     /* if old element is of same kind, keep all existing directions */
9592     if (IS_EMC_PILLAR(old_element))
9593       direction |= getOpenDirectionFromPillar(old_element);
9594
9595     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9596     {
9597       int xx = x + xy[i][0];
9598       int yy = y + xy[i][1];
9599
9600       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9601           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9602       {
9603         int dir = MV_DIR_FROM_BIT(i);
9604         int dir_opposite = MV_DIR_OPPOSITE(dir);
9605         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9606         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9607         int last_direction_new = last_direction_old | dir_opposite;
9608
9609         last_element_new = getPillarFromOpenDirection(last_direction_new);
9610
9611         direction |= dir;
9612       }
9613     }
9614
9615     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9616
9617     if (last_element_new != EL_UNDEFINED)
9618       MergeAndCloseNeighbourElements(x, y, &new_element,
9619                                      last_x, last_y, &last_element_new,
9620                                      getClosedPillar, change_level);
9621   }
9622   else if (IS_DC_STEELWALL_2(new_element))
9623   {
9624     int last_element_new = EL_UNDEFINED;
9625     int direction = MV_NONE;
9626     int i;
9627
9628     /* if old element is of same kind, keep all existing directions */
9629     if (IS_DC_STEELWALL_2(old_element))
9630       direction |= getOpenDirectionFromSteel2(old_element);
9631
9632     for (i = 0; i < NUM_DIRECTIONS; i++)
9633     {
9634       int xx = x + xy[i][0];
9635       int yy = y + xy[i][1];
9636
9637       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9638           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9639       {
9640         int dir = MV_DIR_FROM_BIT(i);
9641         int dir_opposite = MV_DIR_OPPOSITE(dir);
9642         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9643         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9644         int last_direction_new = last_direction_old | dir_opposite;
9645
9646         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9647
9648         direction |= dir;
9649       }
9650     }
9651
9652     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9653
9654     if (last_element_new != EL_UNDEFINED)
9655       MergeAndCloseNeighbourElements(x, y, &new_element,
9656                                      last_x, last_y, &last_element_new,
9657                                      getClosedSteel2, change_level);
9658   }
9659   else if (IS_SP_CHIP(new_element))
9660   {
9661     int last_element_new = EL_UNDEFINED;
9662     int direction = MV_NONE;
9663     int i;
9664
9665     /* (do not keep existing directions, regardless of kind of old element) */
9666
9667     for (i = 0; i < NUM_DIRECTIONS; i++)
9668     {
9669       int xx = x + xy[i][0];
9670       int yy = y + xy[i][1];
9671
9672       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9673           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9674       {
9675         int dir = MV_DIR_FROM_BIT(i);
9676         int dir_opposite = MV_DIR_OPPOSITE(dir);
9677         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9678         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9679         int last_direction_new = last_direction_old | dir_opposite;
9680
9681         if (last_direction_old == MV_NONE)
9682         {
9683           last_element_new = getChipFromOpenDirection(last_direction_new);
9684           direction |= dir;
9685         }
9686         else if (last_direction_old & (dir | dir_opposite))
9687         {
9688           direction |= MV_DIR_OPPOSITE(last_direction_old);
9689         }
9690         else
9691         {
9692           direction |= MV_DIR_OPPOSITE(dir);
9693         }
9694       }
9695     }
9696
9697     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9698
9699     if (last_element_new != EL_UNDEFINED)
9700       MergeAndCloseNeighbourElements(x, y, &new_element,
9701                                      last_x, last_y, &last_element_new,
9702                                      getClosedChip, change_level);
9703   }
9704   else if (IS_SP_HARDWARE_BASE(new_element))
9705   {
9706     int nr = GetSimpleRandom(6);
9707
9708     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9709                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9710                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9711                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9712                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9713   }
9714   else if (new_element == EL_SP_HARDWARE_GREEN ||
9715            new_element == EL_SP_HARDWARE_BLUE ||
9716            new_element == EL_SP_HARDWARE_RED)
9717   {
9718     int nr = GetSimpleRandom(3);
9719
9720     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9721                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9722   }
9723   else if (IS_GROUP_ELEMENT(new_element))
9724   {
9725     boolean connected_drawing = FALSE;
9726     int i;
9727
9728     for (i = 0; i < NUM_DIRECTIONS; i++)
9729     {
9730       int xx = x + xy[i][0];
9731       int yy = y + xy[i][1];
9732
9733       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9734           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9735         connected_drawing = TRUE;
9736     }
9737
9738     if (!connected_drawing)
9739       ResolveGroupElement(new_element);
9740
9741     new_element = GetElementFromGroupElement(new_element);
9742   }
9743   else if (IS_BELT_SWITCH(old_element))
9744   {
9745     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9746     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9747
9748     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9749                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9750
9751     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9752   }
9753   else
9754   {
9755     static int swappable_elements[][2] =
9756     {
9757       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9758       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9759       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9760       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9761       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9762       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9763       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9764       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9765       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9766       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9767       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9768       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9769       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9770       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9771       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9772       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9773       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9774       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9775       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9776       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9777       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9778       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9779       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9780       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9781       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9782       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9783       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9784       { EL_PEARL,                       EL_WALL_PEARL                   },
9785       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9786       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9787       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9788       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9789       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9790       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9791       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9792       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9793       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9794       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9795       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9796       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9797
9798       { -1,                             -1                              },
9799     };
9800     static int rotatable_elements[][4] =
9801     {
9802       {
9803         EL_BUG_UP,
9804         EL_BUG_RIGHT,
9805         EL_BUG_DOWN,
9806         EL_BUG_LEFT
9807       },
9808
9809       {
9810         EL_SPACESHIP_UP,
9811         EL_SPACESHIP_RIGHT,
9812         EL_SPACESHIP_DOWN,
9813         EL_SPACESHIP_LEFT
9814       },
9815
9816       {
9817         EL_BD_BUTTERFLY_UP,
9818         EL_BD_BUTTERFLY_RIGHT,
9819         EL_BD_BUTTERFLY_DOWN,
9820         EL_BD_BUTTERFLY_LEFT
9821       },
9822
9823       {
9824         EL_BD_FIREFLY_UP,
9825         EL_BD_FIREFLY_RIGHT,
9826         EL_BD_FIREFLY_DOWN,
9827         EL_BD_FIREFLY_LEFT
9828       },
9829
9830       {
9831         EL_PACMAN_UP,
9832         EL_PACMAN_RIGHT,
9833         EL_PACMAN_DOWN,
9834         EL_PACMAN_LEFT
9835       },
9836
9837       {
9838         EL_YAMYAM_UP,
9839         EL_YAMYAM_RIGHT,
9840         EL_YAMYAM_DOWN,
9841         EL_YAMYAM_LEFT
9842       },
9843
9844       {
9845         EL_ARROW_UP,
9846         EL_ARROW_RIGHT,
9847         EL_ARROW_DOWN,
9848         EL_ARROW_LEFT
9849       },
9850
9851       {
9852         EL_SP_PORT_UP,
9853         EL_SP_PORT_RIGHT,
9854         EL_SP_PORT_DOWN,
9855         EL_SP_PORT_LEFT
9856       },
9857
9858       {
9859         EL_SP_GRAVITY_PORT_UP,
9860         EL_SP_GRAVITY_PORT_RIGHT,
9861         EL_SP_GRAVITY_PORT_DOWN,
9862         EL_SP_GRAVITY_PORT_LEFT
9863       },
9864
9865       {
9866         EL_SP_GRAVITY_ON_PORT_UP,
9867         EL_SP_GRAVITY_ON_PORT_RIGHT,
9868         EL_SP_GRAVITY_ON_PORT_DOWN,
9869         EL_SP_GRAVITY_ON_PORT_LEFT
9870       },
9871
9872       {
9873         EL_SP_GRAVITY_OFF_PORT_UP,
9874         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9875         EL_SP_GRAVITY_OFF_PORT_DOWN,
9876         EL_SP_GRAVITY_OFF_PORT_LEFT
9877       },
9878
9879       {
9880         EL_MOLE_UP,
9881         EL_MOLE_RIGHT,
9882         EL_MOLE_DOWN,
9883         EL_MOLE_LEFT
9884       },
9885
9886       {
9887         EL_BALLOON_SWITCH_UP,
9888         EL_BALLOON_SWITCH_RIGHT,
9889         EL_BALLOON_SWITCH_DOWN,
9890         EL_BALLOON_SWITCH_LEFT
9891       },
9892
9893       {
9894         -1,
9895         -1,
9896         -1,
9897         -1,
9898       },
9899     };
9900     int i, j;
9901
9902     for (i = 0; swappable_elements[i][0] != -1; i++)
9903     {
9904       int element1 = swappable_elements[i][0];
9905       int element2 = swappable_elements[i][1];
9906
9907       if (old_element == element1 || old_element == element2)
9908         new_element = (old_element == element1 ? element2 : element1);
9909     }
9910
9911     for (i = 0; rotatable_elements[i][0] != -1; i++)
9912     {
9913       for (j = 0; j < 4; j++)
9914       {
9915         int element = rotatable_elements[i][j];
9916
9917         if (old_element == element)
9918           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9919                          button == 2 ? rotatable_elements[i][0]           :
9920                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9921                          old_element);
9922       }
9923     }
9924   }
9925
9926   SetElementSimple(x, y, new_element, change_level);
9927
9928   last_x = x;
9929   last_y = y;
9930 }
9931
9932 static void ResetIntelliDraw()
9933 {
9934   int x, y;
9935
9936   for (x = 0; x < lev_fieldx; x++)
9937     for (y = 0; y < lev_fieldy; y++)
9938       IntelliDrawBuffer[x][y] = Feld[x][y];
9939
9940   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9941 }
9942
9943 static void SetElementExt(int x, int y, int element, boolean change_level,
9944                           int button)
9945 {
9946   if (element < 0)
9947     SetElementSimple(x, y, Feld[x][y], change_level);
9948   else if (GetKeyModState() & KMOD_Shift)
9949     SetElementIntelliDraw(x, y, element, change_level, button);
9950   else
9951     SetElementSimple(x, y, element, change_level);
9952 }
9953
9954 static void SetElement(int x, int y, int element)
9955 {
9956   SetElementExt(x, y, element, TRUE, -1);
9957 }
9958
9959 static void SetElementButton(int x, int y, int element, int button)
9960 {
9961   SetElementExt(x, y, element, TRUE, button);
9962 }
9963
9964 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9965 {
9966   int lx = sx + level_xpos;
9967   int ly = sy + level_ypos;
9968
9969   SetElementExt(lx, ly, element, change_level, -1);
9970 }
9971
9972 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9973                      int element, boolean change_level)
9974 {
9975   int xsize = ABS(to_x - from_x);
9976   int ysize = ABS(to_y - from_y);
9977   int dx = (to_x < from_x ? -1 : +1);
9978   int dy = (to_y < from_y ? -1 : +1);
9979   int i;
9980
9981   if (from_y == to_y)                   /* horizontal line */
9982   {
9983     for (i = 0; i <= xsize; i++)
9984       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9985   }
9986   else if (from_x == to_x)              /* vertical line */
9987   {
9988     for (i = 0; i <= ysize; i++)
9989       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9990   }
9991   else                                  /* diagonal line */
9992   {
9993     if (ysize < xsize)                  /* a < 1 */
9994     {
9995       float a = (float)ysize / (float)xsize;
9996
9997       for (i = 0; i <= xsize; i++)
9998       {
9999         int x = dx * i;
10000         int y = dy * (int)(a * i + 0.5);
10001
10002         DrawLineElement(from_x + x, from_y + y, element, change_level);
10003       }
10004     }
10005     else                                /* a >= 1 */
10006     {
10007       float a = (float)xsize / (float)ysize;
10008
10009       for (i = 0; i <= ysize; i++)
10010       {
10011         int x = dx * (int)(a * i + 0.5);
10012         int y = dy * i;
10013
10014         DrawLineElement(from_x + x, from_y + y, element, change_level);
10015       }
10016     }
10017   }
10018 }
10019
10020 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10021                     int element, boolean change_level)
10022 {
10023   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10024   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10025   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10026   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10027 }
10028
10029 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10030                           int element, boolean change_level)
10031 {
10032   int y;
10033
10034   if (from_y > to_y)
10035     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10036
10037   for (y = from_y; y <= to_y; y++)
10038     DrawLine(from_x, y, to_x, y, element, change_level);
10039 }
10040
10041 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10042                        int element, boolean change_level)
10043 {
10044   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10045   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10046   int len_x = ABS(to_x - from_x);
10047   int len_y = ABS(to_y - from_y);
10048   int radius, x, y;
10049
10050   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10051
10052   /* not optimal (some points get drawn twice) but simple,
10053      and fast enough for the few points we are drawing */
10054
10055   for (x = 0; x <= radius; x++)
10056   {
10057     int sx, sy, lx, ly;
10058
10059     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10060
10061     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10062     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10063     lx = sx + level_xpos;
10064     ly = sy + level_ypos;
10065
10066     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10067       DrawLineElement(sx, sy, element, change_level);
10068   }
10069
10070   for (y = 0; y <= radius; y++)
10071   {
10072     int sx, sy, lx, ly;
10073
10074     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10075
10076     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10077     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10078     lx = sx + level_xpos;
10079     ly = sy + level_ypos;
10080
10081     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10082       DrawLineElement(sx, sy, element, change_level);
10083   }
10084 }
10085
10086 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10087                     int element, boolean change_level)
10088 {
10089   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10090   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10091
10092   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10093 }
10094
10095 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10096
10097 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10098 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10099                        int element, boolean change_level)
10100 {
10101   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10102   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10103   int mirror_to_x2 = from_x - (to_x2 - from_x);
10104   int mirror_to_y2 = from_y - (to_y2 - from_y);
10105
10106   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10107   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10108   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10109   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10110 }
10111 #endif
10112
10113 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10114 {
10115   int from_sx, from_sy;
10116   int to_sx, to_sy;
10117
10118   if (from_x > to_x)
10119     swap_numbers(&from_x, &to_x);
10120
10121   if (from_y > to_y)
10122     swap_numbers(&from_y, &to_y);
10123
10124   from_sx = SX + from_x * MINI_TILEX;
10125   from_sy = SY + from_y * MINI_TILEY;
10126   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10127   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10128
10129   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10130   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10131   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10132   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10133
10134   if (from_x == to_x && from_y == to_y)
10135     MarkTileDirty(from_x/2, from_y/2);
10136   else
10137     redraw_mask |= REDRAW_FIELD;
10138 }
10139
10140 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10141                        int element, boolean change_level)
10142 {
10143   if (element == -1 || change_level)
10144     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10145   else
10146     DrawAreaBorder(from_x, from_y, to_x, to_y);
10147 }
10148
10149 /* values for CopyBrushExt() */
10150 #define CB_AREA_TO_BRUSH        0
10151 #define CB_BRUSH_TO_CURSOR      1
10152 #define CB_BRUSH_TO_LEVEL       2
10153 #define CB_DELETE_OLD_CURSOR    3
10154 #define CB_DUMP_BRUSH           4
10155 #define CB_DUMP_BRUSH_SMALL     5
10156
10157 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10158                          int button, int mode)
10159 {
10160   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10161   static int brush_width, brush_height;
10162   static int last_cursor_x = -1, last_cursor_y = -1;
10163   static boolean delete_old_brush;
10164   int new_element = BUTTON_ELEMENT(button);
10165   int x, y;
10166
10167   if (mode == CB_DUMP_BRUSH ||
10168       mode == CB_DUMP_BRUSH_SMALL)
10169   {
10170     if (!draw_with_brush)
10171     {
10172       Error(ERR_WARN, "no brush selected");
10173
10174       return;
10175     }
10176
10177     for (y = 0; y < brush_height; y++)
10178     {
10179       for (x = 0; x < brush_width; x++)
10180       {
10181         int element = brush_buffer[x][y];
10182         int element_mapped = element;
10183
10184         if (IS_CUSTOM_ELEMENT(element))
10185           element_mapped = EL_CUSTOM_START;
10186         else if (IS_GROUP_ELEMENT(element))
10187           element_mapped = EL_GROUP_START;
10188         else if (element >= NUM_FILE_ELEMENTS)
10189           element_mapped = EL_UNKNOWN;
10190
10191         // dump brush as level sketch text for the R'n'D forum:
10192         // - large tiles: `xxx (0x60 ASCII)
10193         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10194         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10195       }
10196
10197       printf("\n");
10198     }
10199
10200     return;
10201   }
10202
10203   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10204     return;
10205
10206   if (mode == CB_AREA_TO_BRUSH)
10207   {
10208     int from_lx, from_ly;
10209
10210     if (from_x > to_x)
10211       swap_numbers(&from_x, &to_x);
10212
10213     if (from_y > to_y)
10214       swap_numbers(&from_y, &to_y);
10215
10216     brush_width = to_x - from_x + 1;
10217     brush_height = to_y - from_y + 1;
10218
10219     from_lx = from_x + level_xpos;
10220     from_ly = from_y + level_ypos;
10221
10222     for (y = 0; y < brush_height; y++)
10223     {
10224       for (x = 0; x < brush_width; x++)
10225       {
10226         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10227
10228         if (button != 1)
10229           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10230       }
10231     }
10232
10233     if (button != 1)
10234       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10235
10236     delete_old_brush = FALSE;
10237   }
10238   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10239            mode == CB_BRUSH_TO_LEVEL)
10240   {
10241     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10242     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10243     int cursor_from_x = cursor_x - brush_width / 2;
10244     int cursor_from_y = cursor_y - brush_height / 2;
10245     int border_from_x = cursor_x, border_from_y = cursor_y;
10246     int border_to_x = cursor_x, border_to_y = cursor_y;
10247
10248     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10249       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10250
10251     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10252         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10253     {
10254       delete_old_brush = FALSE;
10255       return;
10256     }
10257
10258     for (y = 0; y < brush_height; y++)
10259     {
10260       for (x = 0; x < brush_width; x++)
10261       {
10262         int sx = cursor_from_x + x;
10263         int sy = cursor_from_y + y;
10264         int lx = sx + level_xpos;
10265         int ly = sy + level_ypos;
10266         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10267         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10268                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10269                        brush_buffer[x][y] : new_element);
10270
10271         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10272         {
10273           if (sx < border_from_x)
10274             border_from_x = sx;
10275           else if (sx > border_to_x)
10276             border_to_x = sx;
10277           if (sy < border_from_y)
10278             border_from_y = sy;
10279           else if (sy > border_to_y)
10280             border_to_y = sy;
10281
10282           DrawLineElement(sx, sy, element, change_level);
10283         }
10284       }
10285     }
10286
10287     if (mode != CB_DELETE_OLD_CURSOR)
10288       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10289
10290     last_cursor_x = cursor_x;
10291     last_cursor_y = cursor_y;
10292     delete_old_brush = TRUE;
10293   }
10294 }
10295
10296 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10297                             int button)
10298 {
10299   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10300 }
10301
10302 static void CopyBrushToLevel(int x, int y, int button)
10303 {
10304   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10305 }
10306
10307 static void CopyBrushToCursor(int x, int y)
10308 {
10309   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10310 }
10311
10312 static void DeleteBrushFromCursor()
10313 {
10314   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10315 }
10316
10317 void DumpBrush()
10318 {
10319   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10320 }
10321
10322 void DumpBrush_Small()
10323 {
10324   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10325 }
10326
10327 static void FloodFill(int from_x, int from_y, int fill_element)
10328 {
10329   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10330 }
10331
10332 /* values for DrawLevelText() modes */
10333 #define TEXT_INIT               0
10334 #define TEXT_SETCURSOR          1
10335 #define TEXT_WRITECHAR          2
10336 #define TEXT_BACKSPACE          3
10337 #define TEXT_NEWLINE            4
10338 #define TEXT_END                5
10339 #define TEXT_QUERY_TYPING       6
10340
10341 static int DrawLevelText(int sx, int sy, char letter, int mode)
10342 {
10343   static short delete_buffer[MAX_LEV_FIELDX];
10344   static int start_sx;
10345   static int last_sx, last_sy;
10346   static boolean typing = FALSE;
10347   int letter_element = EL_CHAR_ASCII0 + letter;
10348   int lx = 0, ly = 0;
10349
10350   /* map lower case letters to upper case and convert special characters */
10351   if (letter >= 'a' && letter <= 'z')
10352     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10353   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10354     letter_element = EL_CHAR_AUMLAUT;
10355   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10356     letter_element = EL_CHAR_OUMLAUT;
10357   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10358     letter_element = EL_CHAR_UUMLAUT;
10359   else if (letter == '^')
10360     letter_element = EL_CHAR_COPYRIGHT;
10361   else
10362     letter_element = EL_CHAR_ASCII0 + letter;
10363
10364   if (mode != TEXT_INIT)
10365   {
10366     if (!typing)
10367       return FALSE;
10368
10369     if (mode != TEXT_SETCURSOR)
10370     {
10371       sx = last_sx;
10372       sy = last_sy;
10373     }
10374
10375     lx = last_sx + level_xpos;
10376     ly = last_sy + level_ypos;
10377   }
10378
10379   switch (mode)
10380   {
10381     case TEXT_INIT:
10382       if (typing)
10383         DrawLevelText(0, 0, 0, TEXT_END);
10384
10385       typing = TRUE;
10386       start_sx = sx;
10387       last_sx = sx;
10388       last_sy = sy;
10389       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10390       break;
10391
10392     case TEXT_SETCURSOR:
10393       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10394       DrawAreaBorder(sx, sy, sx, sy);
10395       last_sx = sx;
10396       last_sy = sy;
10397       break;
10398
10399     case TEXT_WRITECHAR:
10400       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10401       {
10402         if (new_element1 >= EL_STEEL_CHAR_START &&
10403             new_element1 <= EL_STEEL_CHAR_END)
10404           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10405
10406         delete_buffer[sx - start_sx] = Feld[lx][ly];
10407         Feld[lx][ly] = letter_element;
10408
10409         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10410           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10411         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10412           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10413         else
10414           DrawLevelText(0, 0, 0, TEXT_END);
10415
10416         level.changed = TRUE;
10417       }
10418       break;
10419
10420     case TEXT_BACKSPACE:
10421       if (sx > start_sx)
10422       {
10423         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10424         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10425         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10426       }
10427       break;
10428
10429     case TEXT_NEWLINE:
10430       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10431         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10432       else
10433         DrawLevelText(0, 0, 0, TEXT_END);
10434       break;
10435
10436     case TEXT_END:
10437       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10438       DrawMiniElement(sx, sy, Feld[lx][ly]);
10439       typing = FALSE;
10440       break;
10441
10442     case TEXT_QUERY_TYPING:
10443       break;
10444
10445     default:
10446       break;
10447   }
10448
10449   return typing;
10450 }
10451
10452 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10453                           int element, boolean change_level)
10454 {
10455   int lx = sx + level_xpos;
10456   int ly = sy + level_ypos;
10457
10458   if (element == -1)
10459     DrawMiniElement(sx, sy, Feld[lx][ly]);
10460   else
10461     DrawAreaBorder(sx, sy, sx, sy);
10462 }
10463
10464 static void CheckLevelBorderElement(boolean redraw_playfield)
10465 {
10466   int last_border_element = BorderElement;
10467
10468   SetBorderElement();
10469
10470   if (redraw_playfield && BorderElement != last_border_element)
10471     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10472 }
10473
10474 static void CopyLevelToUndoBuffer(int mode)
10475 {
10476   static boolean accumulated_undo = FALSE;
10477   boolean new_undo_buffer_position = TRUE;
10478   int x, y;
10479
10480   switch (mode)
10481   {
10482     case UNDO_IMMEDIATE:
10483       accumulated_undo = FALSE;
10484       break;
10485
10486     case UNDO_ACCUMULATE:
10487       if (accumulated_undo)
10488         new_undo_buffer_position = FALSE;
10489       accumulated_undo = TRUE;
10490       break;
10491
10492     default:
10493       break;
10494   }
10495
10496   if (new_undo_buffer_position)
10497   {
10498     /* new position in undo buffer ring */
10499     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10500
10501     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10502       undo_buffer_steps++;
10503   }
10504
10505   for (x = 0; x < lev_fieldx; x++)
10506     for (y = 0; y < lev_fieldy; y++)
10507       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10508
10509   /* check if drawing operation forces change of border style */
10510   CheckLevelBorderElement(TRUE);
10511
10512   level.changed = TRUE;
10513 }
10514
10515 static void RandomPlacement(int new_element)
10516 {
10517   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10518   int num_free_positions = 0;
10519   int num_percentage, num_elements;
10520   int x, y;
10521
10522   ResetIntelliDraw();
10523
10524   /* determine number of free positions for randomly placing the new element */
10525   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10526   {
10527     free_position[x][y] =
10528       (random_placement_background_restricted ?
10529        Feld[x][y] == random_placement_background_element :
10530        Feld[x][y] != new_element);
10531
10532     if (free_position[x][y])
10533       num_free_positions++;
10534   }
10535
10536   /* determine number of new elements to place there */
10537   num_percentage = num_free_positions * random_placement_value / 100;
10538   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10539                   num_percentage : random_placement_value);
10540
10541   /* if less free positions than elements to place, fill all these positions */
10542   if (num_free_positions < num_elements)
10543   {
10544     for (x = 0; x < lev_fieldx; x++)
10545       for (y = 0; y < lev_fieldy; y++)
10546         if (free_position[x][y])
10547           SetElement(x, y, new_element);
10548   }
10549   else
10550   {
10551     while (num_elements > 0)
10552     {
10553       x = GetSimpleRandom(lev_fieldx);
10554       y = GetSimpleRandom(lev_fieldy);
10555
10556       /* don't place element at the same position twice */
10557       if (free_position[x][y])
10558       {
10559         free_position[x][y] = FALSE;
10560         SetElement(x, y, new_element);
10561         num_elements--;
10562       }
10563     }
10564   }
10565
10566   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10567   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10568 }
10569
10570 void WrapLevel(int dx, int dy)
10571 {
10572   int wrap_dx = lev_fieldx - dx;
10573   int wrap_dy = lev_fieldy - dy;
10574   int x, y;
10575
10576   for (x = 0; x < lev_fieldx; x++)
10577     for (y = 0; y < lev_fieldy; y++)
10578       FieldBackup[x][y] = Feld[x][y];
10579
10580   for (x = 0; x < lev_fieldx; x++)
10581     for (y = 0; y < lev_fieldy; y++)
10582       Feld[x][y] =
10583         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10584
10585   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10586   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10587 }
10588
10589 static void HandleDrawingAreas(struct GadgetInfo *gi)
10590 {
10591   static boolean started_inside_drawing_area = FALSE;
10592   int id = gi->custom_id;
10593   boolean button_press_event;
10594   boolean button_release_event;
10595   boolean inside_drawing_area = !gi->event.off_borders;
10596   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10597   int actual_drawing_function;
10598   int button = gi->event.button;
10599   int new_element = BUTTON_ELEMENT(button);
10600   int sx = gi->event.x, sy = gi->event.y;
10601   int min_sx = 0, min_sy = 0;
10602   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10603   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10604   int lx = 0, ly = 0;
10605   int min_lx = 0, min_ly = 0;
10606   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10607   int x, y;
10608
10609   /* handle info callback for each invocation of action callback */
10610   gi->callback_info(gi);
10611
10612   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10613   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10614
10615   /* make sure to stay inside drawing area boundaries */
10616   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10617   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10618
10619   if (draw_level)
10620   {
10621     /* get positions inside level field */
10622     lx = sx + level_xpos;
10623     ly = sy + level_ypos;
10624
10625     if (!IN_LEV_FIELD(lx, ly))
10626       inside_drawing_area = FALSE;
10627
10628     /* make sure to stay inside level field boundaries */
10629     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10630     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10631
10632     /* correct drawing area positions accordingly */
10633     sx = lx - level_xpos;
10634     sy = ly - level_ypos;
10635   }
10636
10637   if (button_press_event)
10638     started_inside_drawing_area = inside_drawing_area;
10639
10640   if (!started_inside_drawing_area)
10641     return;
10642
10643   if (!IS_VALID_BUTTON(button))
10644     return;
10645
10646   if (!button && !button_release_event)
10647     return;
10648
10649   /* automatically switch to 'single item' drawing mode, if needed */
10650   actual_drawing_function =
10651     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10652      drawing_function : GADGET_ID_SINGLE_ITEMS);
10653
10654   /* clicking into drawing area with pressed Control key picks element */
10655   if (GetKeyModState() & KMOD_Control)
10656   {
10657     last_drawing_function = drawing_function;
10658     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10659   }
10660
10661   if (GetKeyModState() & KMOD_Shift)
10662   {
10663     if (button_press_event || button_release_event)
10664       ResetIntelliDraw();
10665   }
10666
10667   switch (actual_drawing_function)
10668   {
10669     case GADGET_ID_SINGLE_ITEMS:
10670       if (draw_level)
10671       {
10672         if (button_release_event)
10673         {
10674           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10675
10676           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10677               !inside_drawing_area)
10678             DeleteBrushFromCursor();
10679         }
10680
10681         if (!button || button_release_event)
10682           break;
10683
10684         if (draw_with_brush)
10685         {
10686           CopyBrushToLevel(sx, sy, button);
10687         }
10688         else
10689         {
10690           if (new_element == EL_PLAYER_1)
10691           {
10692             /* remove player at old position */
10693             for (y = 0; y < lev_fieldy; y++)
10694               for (x = 0; x < lev_fieldx; x++)
10695                 if (Feld[x][y] == EL_PLAYER_1)
10696                   SetElement(x, y, EL_EMPTY);
10697           }
10698
10699           SetElementButton(lx, ly, new_element, button);
10700         }
10701       }
10702       else
10703       {
10704         int type_id = gi->custom_type_id;
10705         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10706
10707         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10708           DrawMiniGraphicExt(drawto,
10709                              gi->x + sx * MINI_TILEX,
10710                              gi->y + sy * MINI_TILEY,
10711                              el2edimg(new_element));
10712         else
10713           DrawFixedGraphicExt(drawto,
10714                               gi->x + sx * TILEX,
10715                               gi->y + sy * TILEY,
10716                               el2img(new_element), 0);
10717
10718         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10719           new_element = GFX_ELEMENT(new_element);
10720
10721         drawingarea_info[type_id].value[pos] = new_element;
10722
10723         CopyElementPropertiesToGame(properties_element);
10724
10725         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10726         {
10727           UpdateCustomElementGraphicGadgets();
10728
10729           FrameCounter = 0;     /* restart animation frame counter */
10730         }
10731       }
10732       break;
10733
10734     case GADGET_ID_CONNECTED_ITEMS:
10735       {
10736         static int last_sx = -1;
10737         static int last_sy = -1;
10738
10739         if (button_release_event)
10740           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10741
10742         if (button)
10743         {
10744           if (!button_press_event)
10745             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10746
10747           last_sx = sx;
10748           last_sy = sy;
10749         }
10750       }
10751       break;
10752
10753     case GADGET_ID_LINE:
10754     case GADGET_ID_ARC:
10755     case GADGET_ID_RECTANGLE:
10756     case GADGET_ID_FILLED_BOX:
10757     case GADGET_ID_GRAB_BRUSH:
10758     case GADGET_ID_TEXT:
10759       {
10760         static int last_sx = -1;
10761         static int last_sy = -1;
10762         static int start_sx = -1;
10763         static int start_sy = -1;
10764         void (*draw_func)(int, int, int, int, int, boolean);
10765
10766         if (drawing_function == GADGET_ID_LINE)
10767           draw_func = DrawLine;
10768         else if (drawing_function == GADGET_ID_ARC)
10769           draw_func = DrawArc;
10770         else if (drawing_function == GADGET_ID_RECTANGLE)
10771           draw_func = DrawBox;
10772         else if (drawing_function == GADGET_ID_FILLED_BOX)
10773           draw_func = DrawFilledBox;
10774         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10775           draw_func = SelectArea;
10776         else /* (drawing_function == GADGET_ID_TEXT) */
10777           draw_func = SetTextCursor;
10778
10779         if (button_press_event)
10780         {
10781           draw_func(sx, sy, sx, sy, new_element, FALSE);
10782           start_sx = last_sx = sx;
10783           start_sy = last_sy = sy;
10784
10785           if (drawing_function == GADGET_ID_TEXT)
10786             DrawLevelText(0, 0, 0, TEXT_END);
10787         }
10788         else if (button_release_event)
10789         {
10790           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10791           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10792           {
10793             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10794             CopyBrushToCursor(sx, sy);
10795             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10796                           MB_LEFTBUTTON);
10797             draw_with_brush = TRUE;
10798           }
10799           else if (drawing_function == GADGET_ID_TEXT)
10800             DrawLevelText(sx, sy, 0, TEXT_INIT);
10801           else
10802             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10803         }
10804         else if (last_sx != sx || last_sy != sy)
10805         {
10806           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10807           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10808           last_sx = sx;
10809           last_sy = sy;
10810         }
10811       }
10812       break;
10813
10814     case GADGET_ID_FLOOD_FILL:
10815       if (button_press_event && Feld[lx][ly] != new_element)
10816       {
10817         FloodFill(lx, ly, new_element);
10818         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10819         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10820       }
10821       break;
10822
10823     case GADGET_ID_PICK_ELEMENT:
10824       if (button_release_event)
10825         ClickOnGadget(level_editor_gadget[last_drawing_function],
10826                       MB_LEFTBUTTON);
10827       else if (draw_level)
10828         PickDrawingElement(button, Feld[lx][ly]);
10829       else
10830       {
10831         int type_id = gi->custom_type_id;
10832         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10833
10834         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10835       }
10836
10837       break;
10838
10839     default:
10840       break;
10841   }
10842 }
10843
10844 static void HandleCounterButtons(struct GadgetInfo *gi)
10845 {
10846   int gadget_id = gi->custom_id;
10847   int counter_id = gi->custom_type_id;
10848   int button = gi->event.button;
10849   int *counter_value = counterbutton_info[counter_id].value;
10850   int step = BUTTON_STEPSIZE(button) *
10851     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10852
10853   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10854   {
10855     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10856     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10857     boolean level_changed = LevelChanged();
10858
10859     if ((level_changed && pressed) || (!level_changed && released))
10860       return;
10861
10862     if (level_changed && !Request("Level has changed! Discard changes?",
10863                                   REQ_ASK))
10864     {
10865       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10866         ModifyEditorCounterValue(counter_id, *counter_value);
10867
10868       return;
10869     }
10870   }
10871
10872   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10873     *counter_value = gi->textinput.number_value;
10874   else
10875     ModifyEditorCounterValue(counter_id, *counter_value + step);
10876
10877   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10878   {
10879       LoadLevel(level_nr);
10880       LoadScore(level_nr);
10881
10882       TapeErase();
10883
10884       ResetUndoBuffer();
10885       DrawEditModeWindow();
10886
10887       return;
10888   }
10889
10890   switch (counter_id)
10891   {
10892     case ED_COUNTER_ID_YAMYAM_CONTENT:
10893       DrawYamYamContentAreas();
10894       break;
10895
10896     case ED_COUNTER_ID_BALL_CONTENT:
10897       DrawMagicBallContentAreas();
10898       break;
10899
10900     case ED_COUNTER_ID_ANDROID_CONTENT:
10901       DrawAndroidElementArea(properties_element);
10902       break;
10903
10904     case ED_COUNTER_ID_GROUP_CONTENT:
10905       DrawGroupElementArea(properties_element);
10906       CopyGroupElementPropertiesToGame(properties_element);
10907       break;
10908
10909     case ED_COUNTER_ID_INVENTORY_SIZE:
10910       DrawPlayerInitialInventoryArea(properties_element);
10911       break;
10912
10913     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10914     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10915       DrawEnvelopeTextArea(-1);
10916       break;
10917
10918     case ED_COUNTER_ID_LEVEL_XSIZE:
10919     case ED_COUNTER_ID_LEVEL_YSIZE:
10920       lev_fieldx = level.fieldx;
10921       lev_fieldy = level.fieldy;
10922       break;
10923
10924     default:
10925       break;
10926   }
10927
10928   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10929        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10930       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10931        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10932     CopyElementPropertiesToGame(properties_element);
10933
10934   level.changed = TRUE;
10935 }
10936
10937 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10938 {
10939   int type_id = gi->custom_type_id;
10940
10941   strcpy(textinput_info[type_id].value, gi->textinput.value);
10942
10943   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10944   {
10945     CopyElementPropertiesToGame(properties_element);
10946
10947     ModifyEditorElementList();  /* update changed button info text */
10948   }
10949
10950   level.changed = TRUE;
10951 }
10952
10953 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10954 {
10955   int type_id = gi->custom_type_id;
10956
10957   strncpy(textarea_info[type_id].value, gi->textarea.value,
10958           MAX_ENVELOPE_TEXT_LEN);
10959   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10960
10961   level.changed = TRUE;
10962 }
10963
10964 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10965 {
10966   int type_id = gi->custom_type_id;
10967   int value_old = *selectbox_info[type_id].value;
10968   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10969
10970   *selectbox_info[type_id].value = value_new;
10971
10972   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10973   {
10974     element_info[properties_element].current_change_page = gi->selectbox.index;
10975
10976     DrawPropertiesWindow();
10977   }
10978   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10979             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10980            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10981             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10982            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10983   {
10984     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10985     {
10986       /* when changing action type, also check action mode and action arg */
10987       if (value_old != value_new)
10988         setSelectboxSpecialActionVariablesIfNeeded();
10989
10990       DrawPropertiesChange();
10991     }
10992
10993     CopyElementPropertiesToGame(properties_element);
10994
10995     level.changed = TRUE;
10996   }
10997 }
10998
10999 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11000 {
11001   int type_id = gi->custom_type_id;
11002   int i;
11003
11004   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11005       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11006   {
11007     edit_mode_levelinfo = gi->custom_type_id;
11008
11009     DrawLevelInfoWindow();
11010   }
11011   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11012            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11013   {
11014     edit_mode_properties = gi->custom_type_id;
11015
11016     DrawPropertiesWindow();
11017   }
11018   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11019   {
11020     char *template_filename = getDefaultLevelFilename(-1);
11021     boolean new_template = !fileExists(template_filename);
11022
11023     /* backup original "level.field" (needed to track playfield changes) */
11024     CopyPlayfield(level.field, FieldBackup);
11025
11026     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11027     CopyPlayfield(Feld, level.field);
11028
11029     if (new_template ||
11030         Request("Save this template and kill the old?", REQ_ASK))
11031       SaveLevelTemplate();
11032
11033     if (new_template)
11034       Request("Template saved!", REQ_CONFIRM);
11035
11036     /* restore original "level.field" (needed to track playfield changes) */
11037     CopyPlayfield(FieldBackup, level.field);
11038   }
11039   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11040            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11041   {
11042     struct ElementInfo *ei = &element_info[properties_element];
11043
11044     setElementChangePages(ei, ei->num_change_pages + 1);
11045
11046     /* set new change page to be new current change page */
11047     ei->current_change_page = ei->num_change_pages - 1;
11048     ei->change = &ei->change_page[ei->current_change_page];
11049
11050     setElementChangeInfoToDefaults(ei->change);
11051
11052     DrawPropertiesWindow();
11053
11054     level.changed = TRUE;
11055   }
11056   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11057            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11058   {
11059     struct ElementInfo *ei = &element_info[properties_element];
11060
11061     /* copy all change pages after change page to be deleted */
11062     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11063       ei->change_page[i] = ei->change_page[i + 1];
11064
11065     setElementChangePages(ei, ei->num_change_pages - 1);
11066
11067     DrawPropertiesWindow();
11068
11069     level.changed = TRUE;
11070   }
11071 }
11072
11073 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11074 {
11075   int type_id = gi->custom_type_id;
11076
11077   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11078       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11079   {
11080     struct ElementInfo *ei = &element_info[properties_element];
11081     int step = BUTTON_STEPSIZE(gi->event.button);
11082
11083     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11084     ei->current_change_page += step;
11085
11086     if (ei->current_change_page < 0)
11087       ei->current_change_page = 0;
11088     else if (ei->current_change_page >= ei->num_change_pages)
11089       ei->current_change_page = ei->num_change_pages - 1;
11090
11091     DrawPropertiesWindow();
11092   }
11093   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11094            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11095   {
11096     struct ElementInfo *ei = &element_info[properties_element];
11097     int current_change_page = ei->current_change_page;
11098
11099     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11100       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11101         ei->change_page[current_change_page];
11102     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11103     {
11104       ei->change_page[current_change_page] =
11105         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11106
11107       level.changed = TRUE;
11108     }
11109
11110     DrawPropertiesWindow();
11111   }
11112 }
11113
11114 static void HandleRadiobuttons(struct GadgetInfo *gi)
11115 {
11116   *radiobutton_info[gi->custom_type_id].value =
11117     radiobutton_info[gi->custom_type_id].checked_value;
11118
11119   level.changed = TRUE;
11120 }
11121
11122 static void HandleCheckbuttons(struct GadgetInfo *gi)
11123 {
11124   int type_id = gi->custom_type_id;
11125
11126   *checkbutton_info[type_id].value ^= TRUE;
11127
11128   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11129       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11130       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11131       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11132          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11133         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11134          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11135        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11136   {
11137     CopyElementPropertiesToGame(properties_element);
11138   }
11139
11140   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11141   {
11142     UpdateCustomElementGraphicGadgets();
11143   }
11144   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11145   {
11146     char *template_filename = getDefaultLevelFilename(-1);
11147
11148     if (level.use_custom_template && !fileExists(template_filename))
11149     {
11150       Request("No level template found!", REQ_CONFIRM);
11151
11152       level.use_custom_template = FALSE;
11153       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11154
11155       return;
11156     }
11157
11158     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11159
11160     DrawEditModeWindow();
11161   }
11162
11163   level.changed = TRUE;
11164 }
11165
11166 static void HandleControlButtons(struct GadgetInfo *gi)
11167 {
11168   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11169   static int last_edit_mode = ED_MODE_DRAWING;
11170   static int last_custom_copy_mode = -1;
11171   int id = gi->custom_id;
11172   int button = gi->event.button;
11173   int step = BUTTON_STEPSIZE(button);
11174   int new_element = BUTTON_ELEMENT(button);
11175   int x, y;
11176
11177   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11178     DrawLevelText(0, 0, 0, TEXT_END);
11179
11180   if (id < ED_NUM_CTRL1_BUTTONS &&
11181       id != GADGET_ID_SINGLE_ITEMS &&
11182       id != GADGET_ID_PICK_ELEMENT &&
11183       edit_mode != ED_MODE_DRAWING &&
11184       drawing_function != GADGET_ID_PICK_ELEMENT &&
11185       !(GetKeyModState() & KMOD_Control))
11186   {
11187     DrawDrawingWindow();
11188     edit_mode = ED_MODE_DRAWING;
11189   }
11190
11191   /* element copy mode active, but no element button pressed => deactivate */
11192   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11193     last_custom_copy_mode = -1;
11194
11195   switch (id)
11196   {
11197     case GADGET_ID_SCROLL_LEFT:
11198       if (level_xpos >= 0)
11199       {
11200         if (lev_fieldx < ed_fieldx - 2)
11201           break;
11202
11203         level_xpos -= step;
11204         if (level_xpos < -1)
11205           level_xpos = -1;
11206         if (button == 1)
11207           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11208         else
11209           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11210
11211         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11212                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11213       }
11214       break;
11215
11216     case GADGET_ID_SCROLL_RIGHT:
11217       if (level_xpos <= lev_fieldx - ed_fieldx)
11218       {
11219         if (lev_fieldx < ed_fieldx - 2)
11220           break;
11221
11222         level_xpos += step;
11223         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11224           level_xpos = lev_fieldx - ed_fieldx + 1;
11225         if (button == 1)
11226           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11227         else
11228           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11229
11230         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11231                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11232       }
11233       break;
11234
11235     case GADGET_ID_SCROLL_UP:
11236       if (level_ypos >= 0)
11237       {
11238         if (lev_fieldy < ed_fieldy - 2)
11239           break;
11240
11241         level_ypos -= step;
11242         if (level_ypos < -1)
11243           level_ypos = -1;
11244         if (button == 1)
11245           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11246         else
11247           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11248
11249         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11250                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11251       }
11252       break;
11253
11254     case GADGET_ID_SCROLL_DOWN:
11255       if (level_ypos <= lev_fieldy - ed_fieldy)
11256       {
11257         if (lev_fieldy < ed_fieldy - 2)
11258           break;
11259
11260         level_ypos += step;
11261         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11262           level_ypos = lev_fieldy - ed_fieldy + 1;
11263         if (button == 1)
11264           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11265         else
11266           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11267
11268         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11269                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11270       }
11271       break;
11272
11273     case GADGET_ID_SCROLL_HORIZONTAL:
11274       level_xpos = gi->event.item_position - 1;
11275       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11276       break;
11277
11278     case GADGET_ID_SCROLL_VERTICAL:
11279       level_ypos = gi->event.item_position - 1;
11280       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11281       break;
11282
11283     case GADGET_ID_SCROLL_LIST_UP:
11284     case GADGET_ID_SCROLL_LIST_DOWN:
11285     case GADGET_ID_SCROLL_LIST_VERTICAL:
11286       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11287         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11288       else
11289       {
11290         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11291         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11292
11293         if (element_shift < 0)
11294           element_shift = 0;
11295         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11296           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11297
11298         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11299                      GDI_SCROLLBAR_ITEM_POSITION,
11300                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11301       }
11302
11303       ModifyEditorElementList();
11304
11305       break;
11306
11307     case GADGET_ID_PROPERTIES:
11308       if (edit_mode != ED_MODE_PROPERTIES)
11309       {
11310         properties_element = new_element;
11311         DrawPropertiesWindow();
11312         edit_mode = ED_MODE_PROPERTIES;
11313
11314         last_level_drawing_function = drawing_function;
11315         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11316                       MB_LEFTBUTTON);
11317       }
11318       else
11319       {
11320         DrawDrawingWindow();
11321         edit_mode = ED_MODE_DRAWING;
11322
11323         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11324                       MB_LEFTBUTTON);
11325       }
11326       break;
11327
11328     case GADGET_ID_WRAP_LEFT:
11329       WrapLevel(-step, 0);
11330       break;
11331
11332     case GADGET_ID_WRAP_RIGHT:
11333       WrapLevel(step, 0);
11334       break;
11335
11336     case GADGET_ID_WRAP_UP:
11337       WrapLevel(0, -step);
11338       break;
11339
11340     case GADGET_ID_WRAP_DOWN:
11341       WrapLevel(0, step);
11342       break;
11343
11344     case GADGET_ID_SINGLE_ITEMS:
11345     case GADGET_ID_CONNECTED_ITEMS:
11346     case GADGET_ID_LINE:
11347     case GADGET_ID_ARC:
11348     case GADGET_ID_TEXT:
11349     case GADGET_ID_RECTANGLE:
11350     case GADGET_ID_FILLED_BOX:
11351     case GADGET_ID_FLOOD_FILL:
11352     case GADGET_ID_GRAB_BRUSH:
11353     case GADGET_ID_PICK_ELEMENT:
11354       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11355         last_drawing_function = drawing_function;
11356       drawing_function = id;
11357       draw_with_brush = FALSE;
11358       break;
11359
11360     case GADGET_ID_RANDOM_PLACEMENT:
11361       RandomPlacement(new_element);
11362       break;
11363
11364     case GADGET_ID_ZOOM:
11365       printf("::: zoom button pressed with mouse button %d\n", button);
11366       break;
11367
11368     case GADGET_ID_CUSTOM_COPY_FROM:
11369     case GADGET_ID_CUSTOM_COPY_TO:
11370     case GADGET_ID_CUSTOM_EXCHANGE:
11371       last_custom_copy_mode = id;
11372       last_drawing_function = drawing_function;
11373       break;
11374
11375     case GADGET_ID_CUSTOM_COPY:
11376       CopyCustomElement(properties_element, -1, id);
11377       break;
11378
11379     case GADGET_ID_CUSTOM_PASTE:
11380       CopyCustomElement(-1, properties_element, id);
11381       break;
11382
11383     case GADGET_ID_UNDO:
11384       if (undo_buffer_steps == 0)
11385       {
11386         Request("Undo buffer empty!", REQ_CONFIRM);
11387         break;
11388       }
11389
11390       if (edit_mode != ED_MODE_DRAWING)
11391       {
11392         DrawDrawingWindow();
11393         edit_mode = ED_MODE_DRAWING;
11394       }
11395
11396       undo_buffer_position =
11397         (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11398       undo_buffer_steps--;
11399
11400       for (x = 0; x < lev_fieldx; x++)
11401         for (y = 0; y < lev_fieldy; y++)
11402           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11403
11404       /* check if undo operation forces change of border style */
11405       CheckLevelBorderElement(FALSE);
11406
11407       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11408
11409       break;
11410
11411     case GADGET_ID_INFO:
11412       if (edit_mode != ED_MODE_INFO)
11413       {
11414         last_edit_mode = edit_mode;
11415         edit_mode = ED_MODE_INFO;
11416
11417         DrawLevelInfoWindow();
11418       }
11419       else
11420       {
11421         edit_mode = last_edit_mode;
11422
11423         DrawEditModeWindow();
11424       }
11425       break;
11426
11427     case GADGET_ID_CLEAR:
11428       if (edit_mode != ED_MODE_DRAWING)
11429       {
11430         DrawDrawingWindow();
11431         edit_mode = ED_MODE_DRAWING;
11432       }
11433
11434       for (x = 0; x < MAX_LEV_FIELDX; x++)
11435         for (y = 0; y < MAX_LEV_FIELDY; y++)
11436           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11437
11438       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11439
11440       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11441       break;
11442
11443     case GADGET_ID_SAVE:
11444     {
11445       /* saving read-only levels into personal level set modifies global vars
11446          "leveldir_current" and "level_nr"; restore them after saving level */
11447       LevelDirTree *leveldir_former = leveldir_current;
11448       int level_nr_former = level_nr;
11449       char *level_filename;
11450       boolean new_level;
11451
11452       if (leveldir_current->readonly &&
11453           !PrepareSavingIntoPersonalLevelSet())
11454         break;
11455
11456       level_filename = getDefaultLevelFilename(level_nr);
11457       new_level = !fileExists(level_filename);
11458
11459       if (new_level ||
11460           Request("Save this level and kill the old?", REQ_ASK))
11461       {
11462         if (leveldir_former->readonly)
11463           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11464
11465         CopyPlayfield(Feld, level.field);
11466         SaveLevel(level_nr);
11467
11468         level.changed = FALSE;
11469
11470         if (new_level)
11471         {
11472           char level_saved_msg[64];
11473
11474           if (leveldir_former->readonly)
11475             sprintf(level_saved_msg,
11476                     "Level saved as level %d into personal level set!",
11477                     level_nr);
11478           else
11479             strcpy(level_saved_msg, "Level saved!");
11480
11481           Request(level_saved_msg, REQ_CONFIRM);
11482         }
11483       }
11484
11485       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11486       leveldir_current = leveldir_former;
11487       level_nr = level_nr_former;
11488
11489       break;
11490     }
11491
11492     case GADGET_ID_TEST:
11493       if (LevelChanged())
11494         level.game_version = GAME_VERSION_ACTUAL;
11495
11496       CopyPlayfield(level.field, FieldBackup);
11497       CopyPlayfield(Feld, level.field);
11498
11499       CopyNativeLevel_RND_to_Native(&level);
11500
11501       UnmapLevelEditorGadgets();
11502       UndrawSpecialEditorDoor();
11503
11504       CloseDoor(DOOR_CLOSE_ALL);
11505
11506       /* needed before playing if editor playfield area has different size */
11507       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11508
11509       // redraw_mask = REDRAW_ALL;
11510
11511       level_editor_test_game = TRUE;
11512
11513       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11514
11515       break;
11516
11517     case GADGET_ID_EXIT:
11518       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11519       break;
11520
11521     default:
11522       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11523           id <= GADGET_ID_ELEMENTLIST_LAST)
11524       {
11525         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11526         int new_element = editor_elements[element_position + element_shift];
11527
11528         if (IS_EDITOR_CASCADE(new_element))
11529         {
11530           int i;
11531
11532           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11533           {
11534             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11535             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11536
11537             if (*cascade_element == new_element)
11538             {
11539               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11540               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11541
11542               /* update element selection list */
11543               ReinitializeElementList();
11544               ModifyEditorElementList();
11545
11546               /* update cascading gadget info text */
11547               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11548
11549               /* save current editor cascading state */
11550               SaveSetup_EditorCascade();
11551
11552               break;
11553             }
11554           }
11555
11556           break;
11557         }
11558
11559         if (last_custom_copy_mode != -1)
11560         {
11561           if (CopyCustomElement(properties_element, new_element,
11562                                 last_custom_copy_mode))
11563           {
11564             ClickOnGadget(level_editor_gadget[last_drawing_function],
11565                           MB_LEFTBUTTON);
11566
11567             last_custom_copy_mode = -1;
11568           }
11569
11570           break;
11571         }
11572
11573         PickDrawingElement(button, new_element);
11574
11575         if (!stick_element_properties_window &&
11576             drawing_function != GADGET_ID_PICK_ELEMENT &&
11577             !(GetKeyModState() & KMOD_Control))
11578         {
11579           properties_element = new_element;
11580           if (edit_mode == ED_MODE_PROPERTIES)
11581             DrawPropertiesWindow();
11582         }
11583
11584         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11585           ClickOnGadget(level_editor_gadget[last_drawing_function],
11586                         MB_LEFTBUTTON);
11587       }
11588 #ifdef DEBUG
11589       else if (gi->event.type == GD_EVENT_PRESSED)
11590         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11591       else if (gi->event.type == GD_EVENT_RELEASED)
11592         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11593       else if (gi->event.type == GD_EVENT_MOVING)
11594         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11595       else
11596         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11597 #endif
11598       break;
11599   }
11600 }
11601
11602 void HandleLevelEditorKeyInput(Key key)
11603 {
11604   char letter = getCharFromKey(key);
11605   int button = MB_LEFTBUTTON;
11606
11607   if (drawing_function == GADGET_ID_TEXT &&
11608       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11609   {
11610     if (letter)
11611       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11612     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11613       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11614     else if (key == KSYM_Return)
11615       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11616     else if (key == KSYM_Escape)
11617       DrawLevelText(0, 0, 0, TEXT_END);
11618   }
11619   else if (button_status == MB_RELEASED)
11620   {
11621     int id = GADGET_ID_NONE;
11622     int new_element_shift = element_shift;
11623     int i;
11624
11625     switch (key)
11626     {
11627       case KSYM_Left:
11628         id = GADGET_ID_SCROLL_LEFT;
11629         break;
11630       case KSYM_Right:
11631         id = GADGET_ID_SCROLL_RIGHT;
11632         break;
11633       case KSYM_Up:
11634         id = GADGET_ID_SCROLL_UP;
11635         break;
11636       case KSYM_Down:
11637         id = GADGET_ID_SCROLL_DOWN;
11638         break;
11639       case KSYM_Page_Up:
11640         id = GADGET_ID_SCROLL_LIST_UP;
11641         button = MB_RIGHTBUTTON;
11642         break;
11643       case KSYM_Page_Down:
11644         id = GADGET_ID_SCROLL_LIST_DOWN;
11645         button = MB_RIGHTBUTTON;
11646         break;
11647
11648       case KSYM_Home:
11649       case KSYM_End:
11650         element_shift = (key == KSYM_Home ? 0 :
11651                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11652
11653         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11654                      GDI_SCROLLBAR_ITEM_POSITION,
11655                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11656
11657         ModifyEditorElementList();
11658
11659         break;
11660
11661       case KSYM_Insert:
11662       case KSYM_Delete:
11663
11664         /* this is needed to prevent interference with running "True X-Mouse" */
11665         if (GetKeyModStateFromEvents() & KMOD_Control)
11666           break;
11667
11668         /* check for last or next editor cascade block in element list */
11669         for (i = 0; i < num_editor_elements; i++)
11670         {
11671           if ((key == KSYM_Insert && i == element_shift) ||
11672               (key == KSYM_Delete && new_element_shift > element_shift))
11673             break;
11674
11675           /* jump to next cascade block (or to start of element list) */
11676           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11677             new_element_shift = i;
11678         }
11679
11680         if (i < num_editor_elements)
11681           element_shift = new_element_shift;
11682
11683         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11684           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11685
11686         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11687                      GDI_SCROLLBAR_ITEM_POSITION,
11688                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11689
11690         ModifyEditorElementList();
11691
11692         break;
11693
11694       case KSYM_Escape:
11695         if (edit_mode == ED_MODE_DRAWING)
11696         {
11697           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11698         }
11699         else if (edit_mode == ED_MODE_INFO)
11700         {
11701           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11702         }
11703         else if (edit_mode == ED_MODE_PROPERTIES)
11704         {
11705           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11706         }
11707         else            /* should never happen */
11708         {
11709           DrawDrawingWindow();
11710           edit_mode = ED_MODE_DRAWING;
11711         }
11712
11713         break;
11714
11715       default:
11716         break;
11717     }
11718
11719     if (id != GADGET_ID_NONE)
11720       ClickOnGadget(level_editor_gadget[id], button);
11721     else if (letter >= '1' && letter <= '3')
11722       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11723     else if (letter == '?')
11724       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11725     else if (letter == '.')
11726       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11727     else if (key == KSYM_Return ||
11728              key == KSYM_space ||
11729              key == setup.shortcut.toggle_pause)
11730       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11731     else
11732       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11733         if (letter && letter == controlbutton_info[i].shortcut)
11734           if (!anyTextGadgetActive())
11735             ClickOnGadget(level_editor_gadget[i], button);
11736   }
11737 }
11738
11739 void HandleLevelEditorIdle()
11740 {
11741   static unsigned int action_delay = 0;
11742   unsigned int action_delay_value = GameFrameDelay;
11743   int xpos = 1, ypos = 2;
11744   int i;
11745
11746   if (edit_mode != ED_MODE_PROPERTIES)
11747     return;
11748
11749   if (!DelayReached(&action_delay, action_delay_value))
11750     return;
11751
11752   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11753   {
11754     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11755
11756     if (gi->mapped && gi->active && gi->selectbox.open)
11757       return;
11758   }
11759
11760   DrawEditorElementAnimation(SX + xpos * TILEX,
11761                              SY + ypos * TILEY + MINI_TILEY / 2);
11762
11763   MarkTileDirty(xpos, ypos);
11764   MarkTileDirty(xpos, ypos + 1);
11765
11766   FrameCounter++;       /* increase animation frame counter */
11767 }
11768
11769 void ClearEditorGadgetInfoText()
11770 {
11771   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11772 }
11773
11774 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11775 {
11776   char infotext[MAX_OUTPUT_LINESIZE + 1];
11777   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11778   int max_infotext_len = getMaxInfoTextLength();
11779
11780   if (gi == NULL || gi->info_text == NULL)
11781     return;
11782
11783   strncpy(infotext, gi->info_text, max_infotext_len);
11784   infotext[max_infotext_len] = '\0';
11785
11786   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11787   {
11788     int key = controlbutton_info[gi->custom_id].shortcut;
11789
11790     if (key)
11791     {
11792       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11793         sprintf(shortcut, " ('.' or '%c')", key);
11794       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11795         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11796       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11797         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11798       else                                              /* normal case */
11799         sprintf(shortcut, " ('%s%c')",
11800                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11801
11802       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11803         strcat(infotext, shortcut);
11804     }
11805   }
11806
11807   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11808 }
11809
11810 void HandleEditorGadgetInfoText(void *ptr)
11811 {
11812   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11813
11814   if (game_status != GAME_MODE_EDITOR)
11815     return;
11816
11817   ClearEditorGadgetInfoText();
11818
11819   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11820     return;
11821
11822   /* misuse this function to delete brush cursor, if needed */
11823   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11824     DeleteBrushFromCursor();
11825
11826   PrintEditorGadgetInfoText(gi);
11827 }
11828
11829 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11830 {
11831   static int start_lx, start_ly;
11832   int id = gi->custom_id;
11833   int type_id = gi->custom_type_id;
11834   int sx = gi->event.x;
11835   int sy = gi->event.y;
11836   int lx = sx + level_xpos;
11837   int ly = sy + level_ypos;
11838   int min_sx = 0, min_sy = 0;
11839   int max_sx = gi->drawing.area_xsize - 1;
11840   int max_sy = gi->drawing.area_ysize - 1;
11841   int actual_drawing_function = drawing_function;
11842   int max_infotext_len = getMaxInfoTextLength();
11843   char infotext[MAX_OUTPUT_LINESIZE + 1];
11844   char *text;
11845
11846   infotext[0] = '\0';           /* start with empty info text */
11847
11848   /* pressed Control key: simulate picking element */
11849   if (GetKeyModState() & KMOD_Control)
11850     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11851
11852   ClearEditorGadgetInfoText();
11853
11854   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11855     return;
11856
11857   /* make sure to stay inside drawing area boundaries */
11858   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11859   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11860
11861   if (id == GADGET_ID_DRAWING_LEVEL)
11862   {
11863     if (button_status)
11864     {
11865       int min_lx = 0, min_ly = 0;
11866       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11867
11868       /* get positions inside level field */
11869       lx = sx + level_xpos;
11870       ly = sy + level_ypos;
11871
11872       /* make sure to stay inside level field boundaries */
11873       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11874       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11875
11876       /* correct drawing area positions accordingly */
11877       sx = lx - level_xpos;
11878       sy = ly - level_ypos;
11879     }
11880
11881     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11882     {
11883       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11884       {
11885         if (gi->event.type == GD_EVENT_PRESSED)
11886         {
11887           start_lx = lx;
11888           start_ly = ly;
11889         }
11890
11891         switch (actual_drawing_function)
11892         {
11893           case GADGET_ID_SINGLE_ITEMS:
11894             text = "Drawing single items";
11895             break;
11896           case GADGET_ID_CONNECTED_ITEMS:
11897             text = "Drawing connected items";
11898             break;
11899           case GADGET_ID_LINE:
11900             text = "Drawing line";
11901             break;
11902           case GADGET_ID_ARC:
11903             text = "Drawing arc";
11904             break;
11905           case GADGET_ID_TEXT:
11906             text = "Setting text cursor";
11907             break;
11908           case GADGET_ID_RECTANGLE:
11909             text = "Drawing rectangle";
11910             break;
11911           case GADGET_ID_FILLED_BOX:
11912             text = "Drawing filled box";
11913             break;
11914           case GADGET_ID_FLOOD_FILL:
11915             text = "Flood fill";
11916             break;
11917           case GADGET_ID_GRAB_BRUSH:
11918             text = "Grabbing brush";
11919             break;
11920           case GADGET_ID_PICK_ELEMENT:
11921             text = "Picking element";
11922             break;
11923
11924           default:
11925             text = "Drawing position";
11926             break;
11927         }
11928
11929         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11930           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11931         else
11932           sprintf(infotext, "%s: %d, %d", text,
11933                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11934       }
11935       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11936         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11937       else
11938         sprintf(infotext, "Level position: %d, %d", lx, ly);
11939     }
11940
11941     /* misuse this function to draw brush cursor, if needed */
11942     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11943     {
11944       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11945         CopyBrushToCursor(sx, sy);
11946       else
11947         DeleteBrushFromCursor();
11948     }
11949   }
11950   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11951   {
11952     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11953     int element = drawingarea_info[type_id].value[pos];
11954
11955     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11956   }
11957   else
11958   {
11959     if (id == GADGET_ID_CUSTOM_CONTENT)
11960       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
11961     else if (id == GADGET_ID_GROUP_CONTENT)
11962       sprintf(infotext, "group element position: %d", sx + 1);
11963     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
11964              id <= GADGET_ID_YAMYAM_CONTENT_7)
11965       sprintf(infotext, "content area %d position: %d, %d",
11966               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
11967     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
11968              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
11969       sprintf(infotext, "content area %d position: %d, %d",
11970               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
11971     else if (id == GADGET_ID_ANDROID_CONTENT)
11972       sprintf(infotext, "android element position: %d", sx + 1);
11973     else if (drawingarea_info[type_id].infotext != NULL)
11974       strcpy(infotext, drawingarea_info[type_id].infotext);
11975   }
11976
11977   infotext[max_infotext_len] = '\0';
11978
11979   if (strlen(infotext) > 0)
11980     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
11981 }
11982
11983 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
11984                             boolean quick_quit)
11985 {
11986   if (!ask_if_level_has_changed ||
11987       !LevelChanged() ||
11988       Request("Level has changed! Exit without saving?",
11989               REQ_ASK | REQ_STAY_OPEN))
11990   {
11991     SetDoorState(DOOR_CLOSE_2);
11992
11993     if (quick_quit)
11994       FadeSkipNextFadeIn();
11995
11996     game_status = GAME_MODE_MAIN;
11997
11998     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
11999   }
12000   else
12001   {
12002     if (!global.use_envelope_request)
12003     {
12004       CloseDoor(DOOR_CLOSE_1);
12005       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12006     }
12007   }
12008 }