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/redo 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 static int redo_buffer_steps = 0;
3395
3396 static int edit_mode;
3397 static int edit_mode_levelinfo;
3398 static int edit_mode_properties;
3399
3400 static int element_shift = 0;
3401
3402 static int editor_el_players[] =
3403 {
3404   EL_PLAYER_1,
3405   EL_PLAYER_2,
3406   EL_PLAYER_3,
3407   EL_PLAYER_4
3408 };
3409 static int *editor_el_players_ptr = editor_el_players;
3410 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3411
3412 static int editor_hl_boulderdash[] =
3413 {
3414   EL_INTERNAL_CASCADE_BD_ACTIVE,
3415   EL_CHAR('B'),
3416   EL_CHAR('D'),
3417   EL_EMPTY,
3418 };
3419
3420 static int editor_el_boulderdash[] =
3421 {
3422   EL_EMPTY,
3423   EL_SAND,
3424   EL_BD_ROCK,
3425   EL_BD_DIAMOND,
3426
3427   EL_STEELWALL,
3428   EL_BD_WALL,
3429   EL_BD_EXPANDABLE_WALL,
3430   EL_BD_MAGIC_WALL,
3431
3432   EL_BD_AMOEBA,
3433   EL_BD_BUTTERFLY_UP,
3434   EL_BD_FIREFLY_UP,
3435   EL_EXIT_CLOSED,
3436
3437   EL_BD_BUTTERFLY_LEFT,
3438   EL_BD_FIREFLY_LEFT,
3439   EL_BD_BUTTERFLY_RIGHT,
3440   EL_BD_FIREFLY_RIGHT,
3441
3442   EL_EMPTY,
3443   EL_BD_BUTTERFLY_DOWN,
3444   EL_BD_FIREFLY_DOWN,
3445   EL_EXIT_OPEN,
3446 };
3447 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3448 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3449 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3450 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3451
3452 static int editor_hl_emerald_mine[] =
3453 {
3454   EL_INTERNAL_CASCADE_EM_ACTIVE,
3455   EL_CHAR('E'),
3456   EL_CHAR('M'),
3457   EL_EMPTY,
3458 };
3459
3460 static int editor_el_emerald_mine[] =
3461 {
3462   EL_SAND,
3463   EL_ROCK,
3464   EL_QUICKSAND_EMPTY,
3465   EL_QUICKSAND_FULL,
3466
3467   EL_STEELWALL,
3468   EL_WALL,
3469   EL_WALL_SLIPPERY,
3470   EL_MAGIC_WALL,
3471
3472   EL_EMERALD,
3473   EL_DIAMOND,
3474   EL_NUT,
3475   EL_BOMB,
3476
3477   EL_WALL_EMERALD,
3478   EL_WALL_DIAMOND,
3479   EL_DYNAMITE,
3480   EL_DYNAMITE_ACTIVE,
3481
3482   EL_YAMYAM,
3483   EL_BUG_UP,
3484   EL_SPACESHIP_UP,
3485   EL_ROBOT,
3486
3487   EL_BUG_LEFT,
3488   EL_SPACESHIP_LEFT,
3489   EL_BUG_RIGHT,
3490   EL_SPACESHIP_RIGHT,
3491
3492   EL_ROBOT_WHEEL,
3493   EL_BUG_DOWN,
3494   EL_SPACESHIP_DOWN,
3495   EL_INVISIBLE_WALL,
3496
3497   EL_ACID_POOL_TOPLEFT,
3498   EL_ACID,
3499   EL_ACID_POOL_TOPRIGHT,
3500   EL_AMOEBA_DROP,
3501
3502   EL_ACID_POOL_BOTTOMLEFT,
3503   EL_ACID_POOL_BOTTOM,
3504   EL_ACID_POOL_BOTTOMRIGHT,
3505   EL_AMOEBA_WET,
3506
3507   EL_EM_KEY_1,
3508   EL_EM_KEY_2,
3509   EL_EM_KEY_3,
3510   EL_EM_KEY_4,
3511
3512   EL_EM_GATE_1,
3513   EL_EM_GATE_2,
3514   EL_EM_GATE_3,
3515   EL_EM_GATE_4,
3516
3517   EL_EM_GATE_1_GRAY,
3518   EL_EM_GATE_2_GRAY,
3519   EL_EM_GATE_3_GRAY,
3520   EL_EM_GATE_4_GRAY,
3521
3522   EL_EM_EXIT_CLOSED,
3523   EL_EM_EXIT_OPEN,
3524   EL_EM_STEEL_EXIT_CLOSED,
3525   EL_EM_STEEL_EXIT_OPEN,
3526 };
3527 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3528 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3529 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3530 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3531
3532 static int editor_hl_emerald_mine_club[] =
3533 {
3534   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3535   EL_CHAR('E'),
3536   EL_CHAR('M'),
3537   EL_CHAR('C'),
3538 };
3539
3540 static int editor_el_emerald_mine_club[] =
3541 {
3542   EL_EMC_KEY_5,
3543   EL_EMC_KEY_6,
3544   EL_EMC_KEY_7,
3545   EL_EMC_KEY_8,
3546
3547   EL_EMC_GATE_5,
3548   EL_EMC_GATE_6,
3549   EL_EMC_GATE_7,
3550   EL_EMC_GATE_8,
3551
3552   EL_EMC_GATE_5_GRAY,
3553   EL_EMC_GATE_6_GRAY,
3554   EL_EMC_GATE_7_GRAY,
3555   EL_EMC_GATE_8_GRAY,
3556
3557   EL_EMC_STEELWALL_1,
3558   EL_EMC_STEELWALL_2,
3559   EL_EMC_STEELWALL_3,
3560   EL_EMC_STEELWALL_4,
3561
3562   EL_EMC_WALL_13,
3563   EL_EMC_WALL_14,
3564   EL_EMC_WALL_15,
3565   EL_EMC_WALL_16,
3566
3567   EL_EMC_WALL_SLIPPERY_1,
3568   EL_EMC_WALL_SLIPPERY_2,
3569   EL_EMC_WALL_SLIPPERY_3,
3570   EL_EMC_WALL_SLIPPERY_4,
3571
3572   EL_EMC_WALL_1,
3573   EL_EMC_WALL_2,
3574   EL_EMC_WALL_3,
3575   EL_EMC_WALL_4,
3576
3577   EL_EMC_WALL_5,
3578   EL_EMC_WALL_6,
3579   EL_EMC_WALL_7,
3580   EL_EMC_WALL_8,
3581
3582   EL_EMC_WALL_9,
3583   EL_EMC_WALL_10,
3584   EL_EMC_WALL_11,
3585   EL_EMC_WALL_12,
3586
3587   EL_EMC_GRASS,
3588   EL_EMC_FAKE_GRASS,
3589   EL_EMC_PLANT,
3590   EL_EMC_DRIPPER,
3591
3592   EL_EMC_MAGIC_BALL,
3593   EL_EMC_MAGIC_BALL_SWITCH,
3594   EL_SPRING,
3595   EL_EMC_SPRING_BUMPER,
3596
3597   EL_EMC_LENSES,
3598   EL_EMC_MAGNIFIER,
3599   EL_EM_DYNAMITE,
3600   EL_EM_DYNAMITE_ACTIVE,
3601
3602   EL_BALLOON,
3603   EL_YAMYAM_UP,
3604   EL_BALLOON_SWITCH_UP,
3605   EL_BALLOON_SWITCH_ANY,
3606
3607   EL_YAMYAM_LEFT,
3608   EL_BALLOON_SWITCH_LEFT,
3609   EL_YAMYAM_RIGHT,
3610   EL_BALLOON_SWITCH_RIGHT,
3611
3612   EL_EMC_ANDROID,
3613   EL_YAMYAM_DOWN,
3614   EL_BALLOON_SWITCH_DOWN,
3615   EL_BALLOON_SWITCH_NONE,
3616 };
3617 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3618 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3619 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3620 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3621
3622 static int editor_hl_rnd[] =
3623 {
3624   EL_INTERNAL_CASCADE_RND_ACTIVE,
3625   EL_CHAR('R'),
3626   EL_CHAR('N'),
3627   EL_CHAR('D'),
3628 };
3629
3630 static int editor_el_rnd[] =
3631 {
3632   EL_KEY_1,
3633   EL_KEY_2,
3634   EL_KEY_3,
3635   EL_KEY_4,
3636
3637   EL_GATE_1,
3638   EL_GATE_2,
3639   EL_GATE_3,
3640   EL_GATE_4,
3641
3642   EL_GATE_1_GRAY,
3643   EL_GATE_2_GRAY,
3644   EL_GATE_3_GRAY,
3645   EL_GATE_4_GRAY,
3646
3647   EL_ARROW_LEFT,
3648   EL_ARROW_RIGHT,
3649   EL_ARROW_UP,
3650   EL_ARROW_DOWN,
3651
3652   EL_AMOEBA_DEAD,
3653   EL_AMOEBA_DRY,
3654   EL_AMOEBA_FULL,
3655   EL_GAME_OF_LIFE,
3656
3657   EL_EMERALD_YELLOW,
3658   EL_EMERALD_RED,
3659   EL_EMERALD_PURPLE,
3660   EL_BIOMAZE,
3661
3662   EL_WALL_EMERALD_YELLOW,
3663   EL_WALL_EMERALD_RED,
3664   EL_WALL_EMERALD_PURPLE,
3665   EL_WALL_BD_DIAMOND,
3666
3667   EL_SPEED_PILL,
3668   EL_PACMAN_UP,
3669   EL_TIME_ORB_FULL,
3670   EL_TIME_ORB_EMPTY,
3671
3672   EL_PACMAN_LEFT,
3673   EL_DARK_YAMYAM,
3674   EL_PACMAN_RIGHT,
3675   EL_EMPTY,
3676
3677   EL_BLACK_ORB,
3678   EL_PACMAN_DOWN,
3679   EL_LAMP,
3680   EL_LAMP_ACTIVE,
3681
3682   EL_DYNABOMB_INCREASE_NUMBER,
3683   EL_DYNABOMB_INCREASE_SIZE,
3684   EL_DYNABOMB_INCREASE_POWER,
3685   EL_STONEBLOCK,
3686
3687   EL_MOLE,
3688   EL_PENGUIN,
3689   EL_PIG,
3690   EL_DRAGON,
3691
3692   EL_BUG,
3693   EL_MOLE_UP,
3694   EL_BD_BUTTERFLY,
3695   EL_BD_FIREFLY,
3696
3697   EL_MOLE_LEFT,
3698   EL_SATELLITE,
3699   EL_MOLE_RIGHT,
3700   EL_PACMAN,
3701
3702   EL_SPACESHIP,
3703   EL_MOLE_DOWN,
3704   EL_INVISIBLE_STEELWALL,
3705   EL_INVISIBLE_WALL,
3706
3707   EL_EXPANDABLE_WALL,
3708   EL_EXPANDABLE_WALL_HORIZONTAL,
3709   EL_EXPANDABLE_WALL_VERTICAL,
3710   EL_EXPANDABLE_WALL_ANY,
3711 };
3712 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3713 static int *editor_el_rnd_ptr = editor_el_rnd;
3714 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3715 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3716
3717 static int editor_hl_sokoban[] =
3718 {
3719   EL_INTERNAL_CASCADE_SB_ACTIVE,
3720   EL_CHAR('S'),
3721   EL_CHAR('B'),
3722   EL_EMPTY,
3723 };
3724
3725 static int editor_el_sokoban[] =
3726 {
3727   EL_SOKOBAN_OBJECT,
3728   EL_SOKOBAN_FIELD_EMPTY,
3729   EL_SOKOBAN_FIELD_FULL,
3730   EL_SOKOBAN_FIELD_PLAYER,
3731 };
3732 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3733 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3734 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3735 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3736
3737 static int editor_hl_supaplex[] =
3738 {
3739   EL_INTERNAL_CASCADE_SP_ACTIVE,
3740   EL_CHAR('S'),
3741   EL_CHAR('P'),
3742   EL_EMPTY,
3743 };
3744
3745 static int editor_el_supaplex[] =
3746 {
3747   EL_SP_MURPHY,
3748   EL_EMPTY,
3749   EL_SP_BASE,
3750   EL_SP_BUGGY_BASE,
3751
3752   EL_SP_INFOTRON,
3753   EL_SP_ZONK,
3754   EL_SP_SNIKSNAK,
3755   EL_SP_ELECTRON,
3756
3757   EL_SP_DISK_RED,
3758   EL_SP_DISK_ORANGE,
3759   EL_SP_DISK_YELLOW,
3760   EL_SP_TERMINAL,
3761
3762   EL_SP_EXIT_CLOSED,
3763   EL_SP_PORT_HORIZONTAL,
3764   EL_SP_PORT_VERTICAL,
3765   EL_SP_PORT_ANY,
3766
3767   EL_SP_PORT_LEFT,
3768   EL_SP_PORT_RIGHT,
3769   EL_SP_PORT_UP,
3770   EL_SP_PORT_DOWN,
3771
3772   EL_SP_GRAVITY_PORT_LEFT,
3773   EL_SP_GRAVITY_PORT_RIGHT,
3774   EL_SP_GRAVITY_PORT_UP,
3775   EL_SP_GRAVITY_PORT_DOWN,
3776
3777   EL_SP_GRAVITY_ON_PORT_LEFT,
3778   EL_SP_GRAVITY_ON_PORT_RIGHT,
3779   EL_SP_GRAVITY_ON_PORT_UP,
3780   EL_SP_GRAVITY_ON_PORT_DOWN,
3781
3782   EL_SP_GRAVITY_OFF_PORT_LEFT,
3783   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3784   EL_SP_GRAVITY_OFF_PORT_UP,
3785   EL_SP_GRAVITY_OFF_PORT_DOWN,
3786
3787   EL_SP_HARDWARE_GRAY,
3788   EL_SP_HARDWARE_GREEN,
3789   EL_SP_HARDWARE_BLUE,
3790   EL_SP_HARDWARE_RED,
3791
3792   EL_SP_HARDWARE_BASE_1,
3793   EL_SP_HARDWARE_BASE_2,
3794   EL_SP_HARDWARE_BASE_3,
3795   EL_SP_HARDWARE_BASE_4,
3796
3797   EL_SP_HARDWARE_BASE_5,
3798   EL_SP_HARDWARE_BASE_6,
3799   EL_SP_HARDWARE_YELLOW,
3800   EL_SP_CHIP_TOP,
3801
3802   EL_SP_CHIP_SINGLE,
3803   EL_SP_CHIP_LEFT,
3804   EL_SP_CHIP_RIGHT,
3805   EL_SP_CHIP_BOTTOM,
3806 };
3807 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3808 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3809 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3810 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3811
3812 static int editor_hl_diamond_caves[] =
3813 {
3814   EL_INTERNAL_CASCADE_DC_ACTIVE,
3815   EL_CHAR('D'),
3816   EL_CHAR('C'),
3817   EL_CHAR('2'),
3818 };
3819
3820 static int editor_el_diamond_caves[] =
3821 {
3822   EL_PEARL,
3823   EL_CRYSTAL,
3824   EL_WALL_PEARL,
3825   EL_WALL_CRYSTAL,
3826
3827   EL_CONVEYOR_BELT_1_LEFT,
3828   EL_CONVEYOR_BELT_1_MIDDLE,
3829   EL_CONVEYOR_BELT_1_RIGHT,
3830   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3831
3832   EL_CONVEYOR_BELT_2_LEFT,
3833   EL_CONVEYOR_BELT_2_MIDDLE,
3834   EL_CONVEYOR_BELT_2_RIGHT,
3835   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3836
3837   EL_CONVEYOR_BELT_3_LEFT,
3838   EL_CONVEYOR_BELT_3_MIDDLE,
3839   EL_CONVEYOR_BELT_3_RIGHT,
3840   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3841
3842   EL_CONVEYOR_BELT_4_LEFT,
3843   EL_CONVEYOR_BELT_4_MIDDLE,
3844   EL_CONVEYOR_BELT_4_RIGHT,
3845   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3846
3847   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3848   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3849   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3850   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3851
3852   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3853   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3854   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3855   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3856
3857   EL_TIMEGATE_CLOSED,
3858   EL_TIMEGATE_OPEN,
3859   EL_TIMEGATE_SWITCH,
3860   EL_DC_TIMEGATE_SWITCH,
3861
3862   EL_SWITCHGATE_CLOSED,
3863   EL_SWITCHGATE_OPEN,
3864   EL_SWITCHGATE_SWITCH_UP,
3865   EL_SWITCHGATE_SWITCH_DOWN,
3866
3867   EL_LIGHT_SWITCH,
3868   EL_LIGHT_SWITCH_ACTIVE,
3869   EL_DC_SWITCHGATE_SWITCH_UP,
3870   EL_DC_SWITCHGATE_SWITCH_DOWN,
3871
3872   EL_STEEL_EXIT_CLOSED,
3873   EL_STEEL_EXIT_OPEN,
3874   EL_STEELWALL_SLIPPERY,
3875   EL_INVISIBLE_SAND,
3876
3877   EL_QUICKSAND_FAST_EMPTY,
3878   EL_QUICKSAND_FAST_FULL,
3879   EL_LANDMINE,
3880   EL_DC_LANDMINE,
3881
3882   EL_SHIELD_NORMAL,
3883   EL_SHIELD_DEADLY,
3884   EL_EXTRA_TIME,
3885   EL_DC_MAGIC_WALL,
3886
3887   EL_ENVELOPE_1,
3888   EL_ENVELOPE_2,
3889   EL_ENVELOPE_3,
3890   EL_ENVELOPE_4,
3891
3892   EL_SIGN_RADIOACTIVITY,
3893   EL_SIGN_WHEELCHAIR,
3894   EL_SIGN_PARKING,
3895   EL_SIGN_NO_ENTRY,
3896
3897   EL_SIGN_GIVE_WAY,
3898   EL_SIGN_ENTRY_FORBIDDEN,
3899   EL_SIGN_EMERGENCY_EXIT,
3900   EL_SIGN_YIN_YANG,
3901
3902 #if 0
3903   EL_SIGN_SPERMS,
3904   EL_SIGN_BULLET,
3905   EL_SIGN_HEART,
3906   EL_SIGN_CROSS,
3907
3908   EL_SIGN_FRANKIE,
3909   EL_EMPTY,
3910   EL_EMPTY,
3911   EL_EMPTY,
3912
3913   EL_SPERMS,
3914   EL_BULLET,
3915   EL_HEART,
3916   EL_CROSS,
3917
3918   EL_FRANKIE,
3919   EL_EMPTY,
3920   EL_EMPTY,
3921   EL_EMPTY,
3922 #endif
3923
3924   EL_DC_STEELWALL_2_SINGLE,
3925   EL_DC_STEELWALL_2_TOP,
3926   EL_SIGN_EXCLAMATION,
3927   EL_SIGN_STOP,
3928
3929   EL_DC_STEELWALL_2_LEFT,
3930   EL_DC_STEELWALL_2_MIDDLE,
3931   EL_DC_STEELWALL_2_HORIZONTAL,
3932   EL_DC_STEELWALL_2_RIGHT,
3933
3934   EL_DC_STEELWALL_1_TOPLEFT,
3935   EL_DC_STEELWALL_2_VERTICAL,
3936   EL_DC_STEELWALL_1_TOPRIGHT,
3937   EL_DC_GATE_WHITE,
3938
3939   EL_DC_STEELWALL_1_VERTICAL,
3940   EL_DC_STEELWALL_2_BOTTOM,
3941   EL_DC_KEY_WHITE,
3942   EL_DC_GATE_WHITE_GRAY,
3943
3944   EL_DC_STEELWALL_1_BOTTOMLEFT,
3945   EL_DC_STEELWALL_1_HORIZONTAL,
3946   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3947   EL_DC_GATE_FAKE_GRAY,
3948
3949   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3950   EL_DC_STEELWALL_1_BOTTOM,
3951   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3952   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3953
3954   EL_DC_STEELWALL_1_RIGHT,
3955   EL_EMPTY,
3956   EL_DC_STEELWALL_1_LEFT,
3957   EL_EXPANDABLE_STEELWALL_VERTICAL,
3958
3959   EL_DC_STEELWALL_1_TOPRIGHT_2,
3960   EL_DC_STEELWALL_1_TOP,
3961   EL_DC_STEELWALL_1_TOPLEFT_2,
3962   EL_EXPANDABLE_STEELWALL_ANY,
3963 };
3964 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3965 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3966 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3967 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3968
3969 static int editor_hl_dx_boulderdash[] =
3970 {
3971   EL_INTERNAL_CASCADE_DX_ACTIVE,
3972   EL_CHAR('D'),
3973   EL_CHAR('X'),
3974   EL_EMPTY,
3975 };
3976
3977 static int editor_el_dx_boulderdash[] =
3978 {
3979   EL_EMPTY,
3980   EL_TUBE_RIGHT_DOWN,
3981   EL_TUBE_HORIZONTAL_DOWN,
3982   EL_TUBE_LEFT_DOWN,
3983
3984   EL_TUBE_HORIZONTAL,
3985   EL_TUBE_VERTICAL_RIGHT,
3986   EL_TUBE_ANY,
3987   EL_TUBE_VERTICAL_LEFT,
3988
3989   EL_TUBE_VERTICAL,
3990   EL_TUBE_RIGHT_UP,
3991   EL_TUBE_HORIZONTAL_UP,
3992   EL_TUBE_LEFT_UP,
3993
3994   EL_TRAP,
3995   EL_DX_SUPABOMB,
3996   EL_EMPTY,
3997   EL_EMPTY
3998 };
3999 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4000 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4001 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4002 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4003
4004 static int editor_hl_chars[] =
4005 {
4006   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4007   EL_CHAR('T'),
4008   EL_CHAR('X'),
4009   EL_CHAR('T'),
4010 };
4011
4012 static int editor_el_chars[] =
4013 {
4014   EL_CHAR(' '),
4015   EL_CHAR('!'),
4016   EL_CHAR('"'),
4017   EL_CHAR('#'),
4018
4019   EL_CHAR('$'),
4020   EL_CHAR('%'),
4021   EL_CHAR('&'),
4022   EL_CHAR('\''),
4023
4024   EL_CHAR('('),
4025   EL_CHAR(')'),
4026   EL_CHAR('*'),
4027   EL_CHAR('+'),
4028
4029   EL_CHAR(','),
4030   EL_CHAR('-'),
4031   EL_CHAR('.'),
4032   EL_CHAR('/'),
4033
4034   EL_CHAR('0'),
4035   EL_CHAR('1'),
4036   EL_CHAR('2'),
4037   EL_CHAR('3'),
4038
4039   EL_CHAR('4'),
4040   EL_CHAR('5'),
4041   EL_CHAR('6'),
4042   EL_CHAR('7'),
4043
4044   EL_CHAR('8'),
4045   EL_CHAR('9'),
4046   EL_CHAR(':'),
4047   EL_CHAR(';'),
4048
4049   EL_CHAR('<'),
4050   EL_CHAR('='),
4051   EL_CHAR('>'),
4052   EL_CHAR('?'),
4053
4054   EL_CHAR('@'),
4055   EL_CHAR('A'),
4056   EL_CHAR('B'),
4057   EL_CHAR('C'),
4058
4059   EL_CHAR('D'),
4060   EL_CHAR('E'),
4061   EL_CHAR('F'),
4062   EL_CHAR('G'),
4063
4064   EL_CHAR('H'),
4065   EL_CHAR('I'),
4066   EL_CHAR('J'),
4067   EL_CHAR('K'),
4068
4069   EL_CHAR('L'),
4070   EL_CHAR('M'),
4071   EL_CHAR('N'),
4072   EL_CHAR('O'),
4073
4074   EL_CHAR('P'),
4075   EL_CHAR('Q'),
4076   EL_CHAR('R'),
4077   EL_CHAR('S'),
4078
4079   EL_CHAR('T'),
4080   EL_CHAR('U'),
4081   EL_CHAR('V'),
4082   EL_CHAR('W'),
4083
4084   EL_CHAR('X'),
4085   EL_CHAR('Y'),
4086   EL_CHAR('Z'),
4087   EL_CHAR('['),
4088
4089   EL_CHAR('\\'),
4090   EL_CHAR(']'),
4091   EL_CHAR('^'),
4092   EL_CHAR('_'),
4093
4094   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4095   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4096   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4097   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4098
4099   EL_CHAR(CHAR_BYTE_DEGREE),
4100   EL_CHAR(CHAR_BYTE_REGISTERED),
4101   EL_CHAR(FONT_ASCII_CURSOR),
4102   EL_CHAR(FONT_ASCII_BUTTON),
4103
4104   EL_CHAR(FONT_ASCII_UP),
4105   EL_CHAR(FONT_ASCII_DOWN),
4106   EL_CHAR(' '),
4107   EL_CHAR(' ')
4108 };
4109 static int *editor_hl_chars_ptr = editor_hl_chars;
4110 static int *editor_el_chars_ptr = editor_el_chars;
4111 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4112 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4113
4114 static int editor_hl_steel_chars[] =
4115 {
4116   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4117   EL_STEEL_CHAR('T'),
4118   EL_STEEL_CHAR('X'),
4119   EL_STEEL_CHAR('T'),
4120 };
4121
4122 static int editor_el_steel_chars[] =
4123 {
4124   EL_STEEL_CHAR(' '),
4125   EL_STEEL_CHAR('!'),
4126   EL_STEEL_CHAR('"'),
4127   EL_STEEL_CHAR('#'),
4128
4129   EL_STEEL_CHAR('$'),
4130   EL_STEEL_CHAR('%'),
4131   EL_STEEL_CHAR('&'),
4132   EL_STEEL_CHAR('\''),
4133
4134   EL_STEEL_CHAR('('),
4135   EL_STEEL_CHAR(')'),
4136   EL_STEEL_CHAR('*'),
4137   EL_STEEL_CHAR('+'),
4138
4139   EL_STEEL_CHAR(','),
4140   EL_STEEL_CHAR('-'),
4141   EL_STEEL_CHAR('.'),
4142   EL_STEEL_CHAR('/'),
4143
4144   EL_STEEL_CHAR('0'),
4145   EL_STEEL_CHAR('1'),
4146   EL_STEEL_CHAR('2'),
4147   EL_STEEL_CHAR('3'),
4148
4149   EL_STEEL_CHAR('4'),
4150   EL_STEEL_CHAR('5'),
4151   EL_STEEL_CHAR('6'),
4152   EL_STEEL_CHAR('7'),
4153
4154   EL_STEEL_CHAR('8'),
4155   EL_STEEL_CHAR('9'),
4156   EL_STEEL_CHAR(':'),
4157   EL_STEEL_CHAR(';'),
4158
4159   EL_STEEL_CHAR('<'),
4160   EL_STEEL_CHAR('='),
4161   EL_STEEL_CHAR('>'),
4162   EL_STEEL_CHAR('?'),
4163
4164   EL_STEEL_CHAR('@'),
4165   EL_STEEL_CHAR('A'),
4166   EL_STEEL_CHAR('B'),
4167   EL_STEEL_CHAR('C'),
4168
4169   EL_STEEL_CHAR('D'),
4170   EL_STEEL_CHAR('E'),
4171   EL_STEEL_CHAR('F'),
4172   EL_STEEL_CHAR('G'),
4173
4174   EL_STEEL_CHAR('H'),
4175   EL_STEEL_CHAR('I'),
4176   EL_STEEL_CHAR('J'),
4177   EL_STEEL_CHAR('K'),
4178
4179   EL_STEEL_CHAR('L'),
4180   EL_STEEL_CHAR('M'),
4181   EL_STEEL_CHAR('N'),
4182   EL_STEEL_CHAR('O'),
4183
4184   EL_STEEL_CHAR('P'),
4185   EL_STEEL_CHAR('Q'),
4186   EL_STEEL_CHAR('R'),
4187   EL_STEEL_CHAR('S'),
4188
4189   EL_STEEL_CHAR('T'),
4190   EL_STEEL_CHAR('U'),
4191   EL_STEEL_CHAR('V'),
4192   EL_STEEL_CHAR('W'),
4193
4194   EL_STEEL_CHAR('X'),
4195   EL_STEEL_CHAR('Y'),
4196   EL_STEEL_CHAR('Z'),
4197   EL_STEEL_CHAR('['),
4198
4199   EL_STEEL_CHAR('\\'),
4200   EL_STEEL_CHAR(']'),
4201   EL_STEEL_CHAR('^'),
4202   EL_STEEL_CHAR('_'),
4203
4204   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4205   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4206   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4207   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4208
4209   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4210   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4211   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4212   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4213
4214   EL_STEEL_CHAR(FONT_ASCII_UP),
4215   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4216   EL_STEEL_CHAR(' '),
4217   EL_STEEL_CHAR(' ')
4218 };
4219 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4220 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4221 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4222 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4223
4224 static int editor_hl_custom[] =
4225 {
4226   EL_INTERNAL_CASCADE_CE_ACTIVE,
4227   EL_CHAR('C'),
4228   EL_CHAR('E'),
4229   EL_EMPTY,
4230 };
4231
4232 static int editor_el_custom[] =
4233 {
4234   EL_CUSTOM_START + 0,
4235   EL_CUSTOM_START + 1,
4236   EL_CUSTOM_START + 2,
4237   EL_CUSTOM_START + 3,
4238
4239   EL_CUSTOM_START + 4,
4240   EL_CUSTOM_START + 5,
4241   EL_CUSTOM_START + 6,
4242   EL_CUSTOM_START + 7,
4243
4244   EL_CUSTOM_START + 8,
4245   EL_CUSTOM_START + 9,
4246   EL_CUSTOM_START + 10,
4247   EL_CUSTOM_START + 11,
4248
4249   EL_CUSTOM_START + 12,
4250   EL_CUSTOM_START + 13,
4251   EL_CUSTOM_START + 14,
4252   EL_CUSTOM_START + 15,
4253
4254   EL_CUSTOM_START + 16,
4255   EL_CUSTOM_START + 17,
4256   EL_CUSTOM_START + 18,
4257   EL_CUSTOM_START + 19,
4258
4259   EL_CUSTOM_START + 20,
4260   EL_CUSTOM_START + 21,
4261   EL_CUSTOM_START + 22,
4262   EL_CUSTOM_START + 23,
4263
4264   EL_CUSTOM_START + 24,
4265   EL_CUSTOM_START + 25,
4266   EL_CUSTOM_START + 26,
4267   EL_CUSTOM_START + 27,
4268
4269   EL_CUSTOM_START + 28,
4270   EL_CUSTOM_START + 29,
4271   EL_CUSTOM_START + 30,
4272   EL_CUSTOM_START + 31,
4273
4274   EL_CUSTOM_START + 32,
4275   EL_CUSTOM_START + 33,
4276   EL_CUSTOM_START + 34,
4277   EL_CUSTOM_START + 35,
4278
4279   EL_CUSTOM_START + 36,
4280   EL_CUSTOM_START + 37,
4281   EL_CUSTOM_START + 38,
4282   EL_CUSTOM_START + 39,
4283
4284   EL_CUSTOM_START + 40,
4285   EL_CUSTOM_START + 41,
4286   EL_CUSTOM_START + 42,
4287   EL_CUSTOM_START + 43,
4288
4289   EL_CUSTOM_START + 44,
4290   EL_CUSTOM_START + 45,
4291   EL_CUSTOM_START + 46,
4292   EL_CUSTOM_START + 47,
4293
4294   EL_CUSTOM_START + 48,
4295   EL_CUSTOM_START + 49,
4296   EL_CUSTOM_START + 50,
4297   EL_CUSTOM_START + 51,
4298
4299   EL_CUSTOM_START + 52,
4300   EL_CUSTOM_START + 53,
4301   EL_CUSTOM_START + 54,
4302   EL_CUSTOM_START + 55,
4303
4304   EL_CUSTOM_START + 56,
4305   EL_CUSTOM_START + 57,
4306   EL_CUSTOM_START + 58,
4307   EL_CUSTOM_START + 59,
4308
4309   EL_CUSTOM_START + 60,
4310   EL_CUSTOM_START + 61,
4311   EL_CUSTOM_START + 62,
4312   EL_CUSTOM_START + 63,
4313
4314   EL_CUSTOM_START + 64,
4315   EL_CUSTOM_START + 65,
4316   EL_CUSTOM_START + 66,
4317   EL_CUSTOM_START + 67,
4318
4319   EL_CUSTOM_START + 68,
4320   EL_CUSTOM_START + 69,
4321   EL_CUSTOM_START + 70,
4322   EL_CUSTOM_START + 71,
4323
4324   EL_CUSTOM_START + 72,
4325   EL_CUSTOM_START + 73,
4326   EL_CUSTOM_START + 74,
4327   EL_CUSTOM_START + 75,
4328
4329   EL_CUSTOM_START + 76,
4330   EL_CUSTOM_START + 77,
4331   EL_CUSTOM_START + 78,
4332   EL_CUSTOM_START + 79,
4333
4334   EL_CUSTOM_START + 80,
4335   EL_CUSTOM_START + 81,
4336   EL_CUSTOM_START + 82,
4337   EL_CUSTOM_START + 83,
4338
4339   EL_CUSTOM_START + 84,
4340   EL_CUSTOM_START + 85,
4341   EL_CUSTOM_START + 86,
4342   EL_CUSTOM_START + 87,
4343
4344   EL_CUSTOM_START + 88,
4345   EL_CUSTOM_START + 89,
4346   EL_CUSTOM_START + 90,
4347   EL_CUSTOM_START + 91,
4348
4349   EL_CUSTOM_START + 92,
4350   EL_CUSTOM_START + 93,
4351   EL_CUSTOM_START + 94,
4352   EL_CUSTOM_START + 95,
4353
4354   EL_CUSTOM_START + 96,
4355   EL_CUSTOM_START + 97,
4356   EL_CUSTOM_START + 98,
4357   EL_CUSTOM_START + 99,
4358
4359   EL_CUSTOM_START + 100,
4360   EL_CUSTOM_START + 101,
4361   EL_CUSTOM_START + 102,
4362   EL_CUSTOM_START + 103,
4363
4364   EL_CUSTOM_START + 104,
4365   EL_CUSTOM_START + 105,
4366   EL_CUSTOM_START + 106,
4367   EL_CUSTOM_START + 107,
4368
4369   EL_CUSTOM_START + 108,
4370   EL_CUSTOM_START + 109,
4371   EL_CUSTOM_START + 110,
4372   EL_CUSTOM_START + 111,
4373
4374   EL_CUSTOM_START + 112,
4375   EL_CUSTOM_START + 113,
4376   EL_CUSTOM_START + 114,
4377   EL_CUSTOM_START + 115,
4378
4379   EL_CUSTOM_START + 116,
4380   EL_CUSTOM_START + 117,
4381   EL_CUSTOM_START + 118,
4382   EL_CUSTOM_START + 119,
4383
4384   EL_CUSTOM_START + 120,
4385   EL_CUSTOM_START + 121,
4386   EL_CUSTOM_START + 122,
4387   EL_CUSTOM_START + 123,
4388
4389   EL_CUSTOM_START + 124,
4390   EL_CUSTOM_START + 125,
4391   EL_CUSTOM_START + 126,
4392   EL_CUSTOM_START + 127,
4393
4394   EL_CUSTOM_START + 128,
4395   EL_CUSTOM_START + 129,
4396   EL_CUSTOM_START + 130,
4397   EL_CUSTOM_START + 131,
4398
4399   EL_CUSTOM_START + 132,
4400   EL_CUSTOM_START + 133,
4401   EL_CUSTOM_START + 134,
4402   EL_CUSTOM_START + 135,
4403
4404   EL_CUSTOM_START + 136,
4405   EL_CUSTOM_START + 137,
4406   EL_CUSTOM_START + 138,
4407   EL_CUSTOM_START + 139,
4408
4409   EL_CUSTOM_START + 140,
4410   EL_CUSTOM_START + 141,
4411   EL_CUSTOM_START + 142,
4412   EL_CUSTOM_START + 143,
4413
4414   EL_CUSTOM_START + 144,
4415   EL_CUSTOM_START + 145,
4416   EL_CUSTOM_START + 146,
4417   EL_CUSTOM_START + 147,
4418
4419   EL_CUSTOM_START + 148,
4420   EL_CUSTOM_START + 149,
4421   EL_CUSTOM_START + 150,
4422   EL_CUSTOM_START + 151,
4423
4424   EL_CUSTOM_START + 152,
4425   EL_CUSTOM_START + 153,
4426   EL_CUSTOM_START + 154,
4427   EL_CUSTOM_START + 155,
4428
4429   EL_CUSTOM_START + 156,
4430   EL_CUSTOM_START + 157,
4431   EL_CUSTOM_START + 158,
4432   EL_CUSTOM_START + 159,
4433
4434   EL_CUSTOM_START + 160,
4435   EL_CUSTOM_START + 161,
4436   EL_CUSTOM_START + 162,
4437   EL_CUSTOM_START + 163,
4438
4439   EL_CUSTOM_START + 164,
4440   EL_CUSTOM_START + 165,
4441   EL_CUSTOM_START + 166,
4442   EL_CUSTOM_START + 167,
4443
4444   EL_CUSTOM_START + 168,
4445   EL_CUSTOM_START + 169,
4446   EL_CUSTOM_START + 170,
4447   EL_CUSTOM_START + 171,
4448
4449   EL_CUSTOM_START + 172,
4450   EL_CUSTOM_START + 173,
4451   EL_CUSTOM_START + 174,
4452   EL_CUSTOM_START + 175,
4453
4454   EL_CUSTOM_START + 176,
4455   EL_CUSTOM_START + 177,
4456   EL_CUSTOM_START + 178,
4457   EL_CUSTOM_START + 179,
4458
4459   EL_CUSTOM_START + 180,
4460   EL_CUSTOM_START + 181,
4461   EL_CUSTOM_START + 182,
4462   EL_CUSTOM_START + 183,
4463
4464   EL_CUSTOM_START + 184,
4465   EL_CUSTOM_START + 185,
4466   EL_CUSTOM_START + 186,
4467   EL_CUSTOM_START + 187,
4468
4469   EL_CUSTOM_START + 188,
4470   EL_CUSTOM_START + 189,
4471   EL_CUSTOM_START + 190,
4472   EL_CUSTOM_START + 191,
4473
4474   EL_CUSTOM_START + 192,
4475   EL_CUSTOM_START + 193,
4476   EL_CUSTOM_START + 194,
4477   EL_CUSTOM_START + 195,
4478
4479   EL_CUSTOM_START + 196,
4480   EL_CUSTOM_START + 197,
4481   EL_CUSTOM_START + 198,
4482   EL_CUSTOM_START + 199,
4483
4484   EL_CUSTOM_START + 200,
4485   EL_CUSTOM_START + 201,
4486   EL_CUSTOM_START + 202,
4487   EL_CUSTOM_START + 203,
4488
4489   EL_CUSTOM_START + 204,
4490   EL_CUSTOM_START + 205,
4491   EL_CUSTOM_START + 206,
4492   EL_CUSTOM_START + 207,
4493
4494   EL_CUSTOM_START + 208,
4495   EL_CUSTOM_START + 209,
4496   EL_CUSTOM_START + 210,
4497   EL_CUSTOM_START + 211,
4498
4499   EL_CUSTOM_START + 212,
4500   EL_CUSTOM_START + 213,
4501   EL_CUSTOM_START + 214,
4502   EL_CUSTOM_START + 215,
4503
4504   EL_CUSTOM_START + 216,
4505   EL_CUSTOM_START + 217,
4506   EL_CUSTOM_START + 218,
4507   EL_CUSTOM_START + 219,
4508
4509   EL_CUSTOM_START + 220,
4510   EL_CUSTOM_START + 221,
4511   EL_CUSTOM_START + 222,
4512   EL_CUSTOM_START + 223,
4513
4514   EL_CUSTOM_START + 224,
4515   EL_CUSTOM_START + 225,
4516   EL_CUSTOM_START + 226,
4517   EL_CUSTOM_START + 227,
4518
4519   EL_CUSTOM_START + 228,
4520   EL_CUSTOM_START + 229,
4521   EL_CUSTOM_START + 230,
4522   EL_CUSTOM_START + 231,
4523
4524   EL_CUSTOM_START + 232,
4525   EL_CUSTOM_START + 233,
4526   EL_CUSTOM_START + 234,
4527   EL_CUSTOM_START + 235,
4528
4529   EL_CUSTOM_START + 236,
4530   EL_CUSTOM_START + 237,
4531   EL_CUSTOM_START + 238,
4532   EL_CUSTOM_START + 239,
4533
4534   EL_CUSTOM_START + 240,
4535   EL_CUSTOM_START + 241,
4536   EL_CUSTOM_START + 242,
4537   EL_CUSTOM_START + 243,
4538
4539   EL_CUSTOM_START + 244,
4540   EL_CUSTOM_START + 245,
4541   EL_CUSTOM_START + 246,
4542   EL_CUSTOM_START + 247,
4543
4544   EL_CUSTOM_START + 248,
4545   EL_CUSTOM_START + 249,
4546   EL_CUSTOM_START + 250,
4547   EL_CUSTOM_START + 251,
4548
4549   EL_CUSTOM_START + 252,
4550   EL_CUSTOM_START + 253,
4551   EL_CUSTOM_START + 254,
4552   EL_CUSTOM_START + 255
4553 };
4554 static int *editor_hl_custom_ptr = editor_hl_custom;
4555 static int *editor_el_custom_ptr = editor_el_custom;
4556 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4557 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4558
4559 static int editor_hl_group[] =
4560 {
4561   EL_INTERNAL_CASCADE_GE_ACTIVE,
4562   EL_CHAR('G'),
4563   EL_CHAR('E'),
4564   EL_EMPTY,
4565 };
4566
4567 static int editor_el_group[] =
4568 {
4569   EL_GROUP_START + 0,
4570   EL_GROUP_START + 1,
4571   EL_GROUP_START + 2,
4572   EL_GROUP_START + 3,
4573
4574   EL_GROUP_START + 4,
4575   EL_GROUP_START + 5,
4576   EL_GROUP_START + 6,
4577   EL_GROUP_START + 7,
4578
4579   EL_GROUP_START + 8,
4580   EL_GROUP_START + 9,
4581   EL_GROUP_START + 10,
4582   EL_GROUP_START + 11,
4583
4584   EL_GROUP_START + 12,
4585   EL_GROUP_START + 13,
4586   EL_GROUP_START + 14,
4587   EL_GROUP_START + 15,
4588
4589   EL_GROUP_START + 16,
4590   EL_GROUP_START + 17,
4591   EL_GROUP_START + 18,
4592   EL_GROUP_START + 19,
4593
4594   EL_GROUP_START + 20,
4595   EL_GROUP_START + 21,
4596   EL_GROUP_START + 22,
4597   EL_GROUP_START + 23,
4598
4599   EL_GROUP_START + 24,
4600   EL_GROUP_START + 25,
4601   EL_GROUP_START + 26,
4602   EL_GROUP_START + 27,
4603
4604   EL_GROUP_START + 28,
4605   EL_GROUP_START + 29,
4606   EL_GROUP_START + 30,
4607   EL_GROUP_START + 31
4608 };
4609 static int *editor_hl_group_ptr = editor_hl_group;
4610 static int *editor_el_group_ptr = editor_el_group;
4611 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4612 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4613
4614 static int editor_hl_reference[] =
4615 {
4616   EL_INTERNAL_CASCADE_REF_ACTIVE,
4617   EL_CHAR('R'),
4618   EL_CHAR('E'),
4619   EL_CHAR('F')
4620 };
4621
4622 static int editor_el_reference[] =
4623 {
4624   EL_TRIGGER_PLAYER,
4625   EL_TRIGGER_ELEMENT,
4626   EL_TRIGGER_CE_VALUE,
4627   EL_TRIGGER_CE_SCORE,
4628
4629   EL_SELF,
4630   EL_ANY_ELEMENT,
4631   EL_CURRENT_CE_VALUE,
4632   EL_CURRENT_CE_SCORE,
4633
4634   EL_PREV_CE_8,
4635   EL_PREV_CE_7,
4636   EL_PREV_CE_6,
4637   EL_PREV_CE_5,
4638
4639   EL_PREV_CE_4,
4640   EL_PREV_CE_3,
4641   EL_PREV_CE_2,
4642   EL_PREV_CE_1,
4643
4644   EL_NEXT_CE_1,
4645   EL_NEXT_CE_2,
4646   EL_NEXT_CE_3,
4647   EL_NEXT_CE_4,
4648
4649   EL_NEXT_CE_5,
4650   EL_NEXT_CE_6,
4651   EL_NEXT_CE_7,
4652   EL_NEXT_CE_8,
4653 };
4654 static int *editor_hl_reference_ptr = editor_hl_reference;
4655 static int *editor_el_reference_ptr = editor_el_reference;
4656 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4657 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4658
4659 static int editor_hl_user_defined[] =
4660 {
4661   EL_INTERNAL_CASCADE_USER_ACTIVE,
4662   EL_CHAR('M'),
4663   EL_CHAR('Y'),
4664   EL_EMPTY,
4665 };
4666
4667 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4668 static int *editor_el_user_defined_ptr = NULL;
4669 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4670 static int num_editor_el_user_defined = 0;
4671
4672 static int editor_hl_dynamic[] =
4673 {
4674   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4675   EL_CHAR('U'),
4676   EL_CHAR('S'),
4677   EL_CHAR('E'),
4678 };
4679
4680 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4681 static int *editor_el_dynamic_ptr = NULL;
4682 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4683 static int num_editor_el_dynamic = 0;
4684
4685 static int editor_hl_empty[] = { EL_EMPTY };
4686 static int *editor_el_empty = NULL;     /* dynamically allocated */
4687
4688 static int *editor_hl_empty_ptr = editor_hl_empty;
4689 static int *editor_el_empty_ptr = NULL;
4690 static int num_editor_hl_empty = 0;
4691 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4692
4693 static boolean use_el_empty = FALSE;
4694
4695 static int *editor_elements = NULL;     /* dynamically allocated */
4696 static int num_editor_elements = 0;     /* dynamically determined */
4697
4698 static boolean setup_editor_show_always = TRUE;
4699 static boolean setup_editor_cascade_never = FALSE;
4700
4701 static int editor_hl_unused[] = { EL_EMPTY };
4702 static int *editor_hl_unused_ptr = editor_hl_unused;
4703 static int num_editor_hl_unused = 0;
4704
4705 static struct
4706 {
4707   boolean *setup_value;
4708   boolean *setup_cascade_value;
4709
4710   int **headline_list;
4711   int *headline_list_size;
4712
4713   int **element_list;
4714   int *element_list_size;
4715
4716   boolean last_setup_value;
4717 }
4718 editor_elements_info[] =
4719 {
4720   {
4721     &setup_editor_show_always,
4722     &setup_editor_cascade_never,
4723     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4724     &editor_el_players_ptr,             &num_editor_el_players
4725   },
4726   {
4727     &setup.editor.el_boulderdash,
4728     &setup.editor_cascade.el_bd,
4729     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4730     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4731   },
4732   {
4733     &setup.editor.el_emerald_mine,
4734     &setup.editor_cascade.el_em,
4735     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4736     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4737   },
4738   {
4739     &setup.editor.el_emerald_mine_club,
4740     &setup.editor_cascade.el_emc,
4741     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4742     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4743   },
4744   {
4745     &setup.editor.el_more,
4746     &setup.editor_cascade.el_rnd,
4747     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4748     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4749   },
4750   {
4751     &setup.editor.el_sokoban,
4752     &setup.editor_cascade.el_sb,
4753     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4754     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4755   },
4756   {
4757     &setup.editor.el_supaplex,
4758     &setup.editor_cascade.el_sp,
4759     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4760     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4761   },
4762   {
4763     &setup.editor.el_diamond_caves,
4764     &setup.editor_cascade.el_dc,
4765     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4766     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4767   },
4768   {
4769     &setup.editor.el_dx_boulderdash,
4770     &setup.editor_cascade.el_dx,
4771     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4772     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4773   },
4774   {
4775     &setup.editor.el_chars,
4776     &setup.editor_cascade.el_chars,
4777     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4778     &editor_el_chars_ptr,               &num_editor_el_chars
4779   },
4780   {
4781     &setup.editor.el_steel_chars,
4782     &setup.editor_cascade.el_steel_chars,
4783     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4784     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4785   },
4786   {
4787     &setup.editor.el_custom,
4788     &setup.editor_cascade.el_ce,
4789     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4790     &editor_el_custom_ptr,              &num_editor_el_custom
4791   },
4792   {
4793     &setup.editor.el_custom,
4794     &setup.editor_cascade.el_ge,
4795     &editor_hl_group_ptr,               &num_editor_hl_group,
4796     &editor_el_group_ptr,               &num_editor_el_group
4797   },
4798   {
4799     &setup.editor.el_custom,
4800     &setup.editor_cascade.el_ref,
4801     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4802     &editor_el_reference_ptr,           &num_editor_el_reference
4803   },
4804   {
4805     &setup.editor.el_user_defined,
4806     &setup.editor_cascade.el_user,
4807     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4808     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4809   },
4810   {
4811     &setup.editor.el_dynamic,
4812     &setup.editor_cascade.el_dynamic,
4813     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4814     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4815   },
4816   {
4817     &use_el_empty,
4818     &use_el_empty,
4819     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4820     &editor_el_empty_ptr,               &num_editor_el_empty,
4821   },
4822   {
4823     NULL,
4824     NULL,
4825     NULL,                               NULL,
4826     NULL,                               NULL
4827   }
4828 };
4829
4830
4831 /*
4832   -----------------------------------------------------------------------------
4833   functions
4834   -----------------------------------------------------------------------------
4835 */
4836
4837 static int getMaxInfoTextLength()
4838 {
4839   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4840 }
4841
4842 static int getTextWidthForGadget(char *text)
4843 {
4844   if (text == NULL)
4845     return 0;
4846
4847   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4848 }
4849
4850 static int getTextWidthForDrawingArea(char *text)
4851 {
4852   if (text == NULL)
4853     return 0;
4854
4855   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4856 }
4857
4858 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4859 {
4860   return (gi->x + gi->width + getTextWidthForGadget(text));
4861 }
4862
4863 static char *getElementInfoText(int element)
4864 {
4865   char *info_text = NULL;
4866
4867   if (element < MAX_NUM_ELEMENTS)
4868   {
4869     if (strlen(element_info[element].description) > 0)
4870       info_text = element_info[element].description;
4871     else if (element_info[element].custom_description != NULL)
4872       info_text = element_info[element].custom_description;
4873     else if (element_info[element].editor_description != NULL)
4874       info_text = element_info[element].editor_description;
4875   }
4876
4877   if (info_text == NULL)
4878     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4879
4880   return info_text;
4881 }
4882
4883 static char *getElementDescriptionFilenameExt(char *basename)
4884 {
4885   char *elements_subdir = "elements";
4886   static char *elements_subdir2 = NULL;
4887   static char *filename = NULL;
4888
4889   if (elements_subdir2 == NULL)
4890     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4891
4892   checked_free(filename);
4893
4894   /* 1st try: look for element description in current level set directory */
4895   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4896   if (fileExists(filename))
4897     return filename;
4898
4899   free(filename);
4900
4901   /* 2nd try: look for element description in the game's base directory */
4902   filename = getPath3(options.docs_directory, elements_subdir, basename);
4903   if (fileExists(filename))
4904     return filename;
4905
4906   return NULL;
4907 }
4908
4909 char *getElementDescriptionFilename(int element)
4910 {
4911   char basename[MAX_FILENAME_LEN];
4912   char *filename;
4913
4914   /* 1st try: look for element description file for exactly this element */
4915   sprintf(basename, "%s.txt", element_info[element].token_name);
4916   filename = getElementDescriptionFilenameExt(basename);
4917   if (filename != NULL)
4918     return filename;
4919
4920   /* 2nd try: look for element description file for this element's class */
4921   sprintf(basename, "%s.txt", element_info[element].class_name);
4922   filename = getElementDescriptionFilenameExt(basename);
4923   if (filename != NULL)
4924     return filename;
4925
4926   return NULL;
4927 }
4928
4929 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4930 {
4931   boolean element_found[NUM_FILE_ELEMENTS];
4932   int i, x, y;
4933
4934   /* initialize list of used elements to "not used" */
4935   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4936     element_found[i] = FALSE;
4937
4938   /* find all elements used in current level */
4939   for (y = 0; y < lev_fieldy; y++)
4940     for (x = 0; x < lev_fieldx; x++)
4941       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4942         element_found[Feld[x][y]] = TRUE;
4943
4944   *num_elements = 0;
4945
4946   /* count number of elements used in current level */
4947   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4948     if (element_found[i])
4949       (*num_elements)++;
4950
4951   /* add space for up to 3 more elements for padding that may be needed */
4952   *num_elements += 3;
4953
4954   /* free memory for old list of elements, if needed */
4955   checked_free(*elements);
4956
4957   /* allocate memory for new list of elements */
4958   *elements = checked_malloc(*num_elements * sizeof(int));
4959
4960   *num_elements = 0;
4961
4962   /* add all elements used in current level (non-custom/group elements) */
4963   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4964     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4965       (*elements)[(*num_elements)++] = i;
4966
4967   /* add all elements used in current level (custom/group elements) */
4968   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4969     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4970       (*elements)[(*num_elements)++] = i;
4971
4972   while (*num_elements % 4)     /* pad with empty elements, if needed */
4973     (*elements)[(*num_elements)++] = EL_EMPTY;
4974 }
4975
4976 static void ReinitializeElementList()
4977 {
4978   static boolean initialization_needed = TRUE;
4979   int pos = 0;
4980   int i, j;
4981
4982   if (initialization_needed)
4983   {
4984     LoadSetup_EditorCascade();          /* load last editor cascade state */
4985
4986     /* initialize editor cascade element from saved cascade state */
4987     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4988     {
4989       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4990       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4991
4992       if (IS_EDITOR_CASCADE(*cascade_element))
4993         *cascade_element =
4994           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
4995            EL_CASCADE_INACTIVE(*cascade_element));
4996     }
4997
4998     initialization_needed = FALSE;
4999   }
5000
5001   checked_free(editor_elements);
5002
5003   /* reload optional user defined element list for each invocation of editor */
5004   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5005                                    &num_editor_el_user_defined);
5006
5007   /* initialize dynamic level element list for each invocation of editor */
5008   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5009                                &num_editor_el_dynamic);
5010
5011   /* initialize list of empty elements (used for padding, if needed) */
5012   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5013     editor_el_empty[i] = EL_EMPTY;
5014
5015   /* do some sanity checks for each element from element list */
5016   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5017   {
5018     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5019     {
5020       int element = (*editor_elements_info[i].element_list)[j];
5021
5022       if (element >= NUM_FILE_ELEMENTS)
5023         Error(ERR_WARN, "editor element %d is runtime element", element);
5024
5025       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5026         Error(ERR_WARN, "no element description for element %d", element);
5027     }
5028   }
5029
5030   num_editor_elements = 0;
5031   use_el_empty = FALSE;
5032
5033   /* determine size of element list */
5034   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5035   {
5036     boolean found_inactive_cascade = FALSE;
5037
5038     if (*editor_elements_info[i].setup_value)
5039     {
5040       if (setup.editor.el_headlines)
5041       {
5042         // required for correct padding of palette headline buttons
5043         if (*editor_elements_info[i].headline_list_size > 0)
5044           num_editor_elements += editor.palette.cols;
5045
5046         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5047         {
5048           int element = (*editor_elements_info[i].headline_list)[j];
5049
5050           if (IS_EDITOR_CASCADE_INACTIVE(element))
5051             found_inactive_cascade = TRUE;
5052         }
5053       }
5054
5055       if (found_inactive_cascade)
5056         continue;
5057
5058       // required for correct padding of palette element buttons
5059       int element_list_size = *editor_elements_info[i].element_list_size;
5060       int element_rows =
5061         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5062       int element_buttons = editor.palette.cols * element_rows;
5063
5064       num_editor_elements += element_buttons;
5065     }
5066   }
5067
5068   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5069   {
5070     /* offer at least as many elements as element buttons exist */
5071     use_el_empty = TRUE;
5072     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5073
5074     num_editor_elements += num_editor_el_empty;
5075   }
5076
5077   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5078
5079   /* fill element list */
5080   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5081   {
5082     boolean found_inactive_cascade = FALSE;
5083
5084     if (*editor_elements_info[i].setup_value)
5085     {
5086       if (setup.editor.el_headlines)
5087       {
5088         // required for correct padding of palette headline buttons
5089         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5090                              editor.palette.cols : 0);
5091
5092         for (j = 0; j < headline_size; j++)
5093         {
5094           // use empty elements for padding of palette headline buttons
5095           int element = (j < *editor_elements_info[i].headline_list_size ?
5096                          (*editor_elements_info[i].headline_list)[j] :
5097                          editor_el_empty[0]);
5098
5099           editor_elements[pos++] = element;
5100
5101           if (IS_EDITOR_CASCADE_INACTIVE(element))
5102             found_inactive_cascade = TRUE;
5103         }
5104       }
5105
5106       if (found_inactive_cascade)
5107         continue;
5108
5109       // required for correct padding of palette element buttons
5110       int element_list_size = *editor_elements_info[i].element_list_size;
5111       int element_rows =
5112         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5113       int element_buttons = editor.palette.cols * element_rows;
5114
5115       // copy all elements from element list
5116       for (j = 0; j < element_list_size; j++)
5117         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5118
5119       // use empty elements for padding of palette element buttons
5120       for (j = 0; j < element_buttons - element_list_size; j++)
5121         editor_elements[pos++] = editor_el_empty[0];
5122     }
5123   }
5124
5125   /* (this function is also called before editor gadgets are initialized!) */
5126   AdjustElementListScrollbar();
5127 }
5128
5129 void PrintEditorElementList()
5130 {
5131   boolean *stop = &setup.editor.el_user_defined;
5132   int i, j;
5133
5134   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5135   {
5136     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5137
5138     if (IS_EDITOR_CASCADE(cascade_element))
5139     {
5140       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5141       char *headline = element_info[cascade_element_show].editor_description;
5142
5143       printf_line_with_prefix("# ", "-", 77);
5144       printf("# %s\n", headline);
5145       printf_line_with_prefix("# ", "-", 77);
5146     }
5147
5148     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5149     {
5150       int element = (*editor_elements_info[i].headline_list)[j];
5151
5152       if (IS_EDITOR_CASCADE(element))
5153         element = EL_CHAR_MINUS;
5154
5155       printf("# %s\n", element_info[element].token_name);
5156     }
5157
5158     if (j > 0)
5159       printf("#\n");
5160
5161     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5162     {
5163       int element = (*editor_elements_info[i].element_list)[j];
5164
5165       printf("# %s\n", element_info[element].token_name);
5166     }
5167
5168     if (j > 0)
5169       printf("#\n");
5170   }
5171 }
5172
5173 static void ReinitializeElementListButtons()
5174 {
5175   static boolean last_setup_value_headlines = FALSE;
5176   static boolean initialization_needed = TRUE;
5177   int i;
5178
5179   if (!initialization_needed)   /* check if editor element setup has changed */
5180   {
5181     if (last_setup_value_headlines != setup.editor.el_headlines)
5182       initialization_needed = TRUE;
5183
5184     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5185       if (editor_elements_info[i].last_setup_value !=
5186           *editor_elements_info[i].setup_value)
5187         initialization_needed = TRUE;
5188   }
5189
5190   if (!initialization_needed)
5191     return;
5192
5193   FreeLevelEditorGadgets();
5194   CreateLevelEditorGadgets();
5195
5196   /* store current setup values for next invocation of this function */
5197   last_setup_value_headlines = setup.editor.el_headlines;
5198   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5199     editor_elements_info[i].last_setup_value =
5200       *editor_elements_info[i].setup_value;
5201
5202   initialization_needed = FALSE;
5203 }
5204
5205 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5206                               boolean input)
5207 {
5208   int border_graphic =
5209     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5210   Bitmap *src_bitmap;
5211   int src_x, src_y;
5212   int bx = (input ? ED_ELEMENT_BORDER_INPUT : ED_ELEMENT_BORDER);
5213   int by = (input ? ED_ELEMENT_BORDER_INPUT : ED_ELEMENT_BORDER);
5214   int bx2 = TILEX - bx;
5215   int by2 = TILEY - by;
5216   int i;
5217
5218   getFixedGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5219
5220   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5221              bx, by, dest_x - bx, dest_y - by);
5222   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5223              bx, by, dest_x + width, dest_y - by);
5224   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5225              bx, by, dest_x - bx, dest_y + height);
5226   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5227              bx, by, dest_x + width, dest_y + height);
5228
5229   for (i = 0; i < width / MINI_TILEX; i++)
5230   {
5231     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5232                dest_x + i * MINI_TILEX, dest_y - by);
5233     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5234                dest_x + i * MINI_TILEX, dest_y + height);
5235   }
5236
5237   for (i = 0; i < height / MINI_TILEY; i++)
5238   {
5239     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5240                dest_x - bx, dest_y + i * MINI_TILEY);
5241     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5242                dest_x + width, dest_y + i * MINI_TILEY);
5243   }
5244
5245   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5246 }
5247
5248 static void DrawDrawingArea(int id)
5249 {
5250   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5251   int x, y;
5252
5253   int *value = drawingarea_info[id].value;
5254   int area_xsize = drawingarea_info[id].area_xsize;
5255   int area_ysize = drawingarea_info[id].area_ysize;
5256
5257   for (x = 0; x < area_xsize; x++)
5258     for (y = 0; y < area_ysize; y++)
5259       DrawMiniGraphicExt(drawto,
5260                          gi->x + x * MINI_TILEX,
5261                          gi->y + y * MINI_TILEY,
5262                          el2edimg(value[x * area_ysize + y]));
5263 }
5264
5265 static void ScrollMiniLevel(int from_x, int from_y, int scroll)
5266 {
5267   int x, y;
5268   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5269   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5270
5271   BlitBitmap(drawto, drawto,
5272              SX + (dx == -1 ? MINI_TILEX : 0),
5273              SY + (dy == -1 ? MINI_TILEY : 0),
5274              (ed_fieldx * MINI_TILEX) - (dx != 0 ? MINI_TILEX : 0),
5275              (ed_fieldy * MINI_TILEY) - (dy != 0 ? MINI_TILEY : 0),
5276              SX + (dx == +1 ? MINI_TILEX : 0),
5277              SY + (dy == +1 ? MINI_TILEY : 0));
5278
5279   if (dx)
5280   {
5281     x = (dx == 1 ? 0 : ed_fieldx - 1);
5282     for (y = 0; y < ed_fieldy; y++)
5283       DrawMiniElementOrWall(x, y, from_x, from_y);
5284   }
5285   else if (dy)
5286   {
5287     y = (dy == 1 ? 0 : ed_fieldy - 1);
5288     for (x = 0; x < ed_fieldx; x++)
5289       DrawMiniElementOrWall(x, y, from_x, from_y);
5290   }
5291
5292   redraw_mask |= REDRAW_FIELD;
5293   BackToFront();
5294 }
5295
5296 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5297 {
5298   int graphic = el2edimg(element);
5299   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5300                    MINI_TILESIZE);
5301
5302   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5303 }
5304
5305 static void CreateControlButtons()
5306 {
5307   struct GadgetInfo *gi;
5308   int i;
5309
5310   /* create toolbox buttons */
5311   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5312   {
5313     int id = controlbutton_info[i].gadget_id;
5314     int type = controlbutton_info[i].gadget_type;
5315     int graphic = controlbutton_info[i].graphic;
5316     struct XY *pos = controlbutton_info[i].pos;
5317     struct GraphicInfo *gd = &graphic_info[graphic];
5318     Bitmap *gd_bitmap = gd->bitmap;
5319     int gd_x1 = gd->src_x;
5320     int gd_y1 = gd->src_y;
5321     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5322     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5323     int gd_x1a = gd->src_x + gd->active_xoffset;
5324     int gd_y1a = gd->src_y + gd->active_yoffset;
5325     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5326     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5327     int width  = gd->width;
5328     int height = gd->height;
5329     int x = pos->x;
5330     int y = pos->y;
5331     unsigned int event_mask;
5332     int radio_button_nr = RADIO_NR_NONE;
5333     boolean checked = FALSE;
5334
5335     if (type == GD_TYPE_RADIO_BUTTON)
5336     {
5337       event_mask = GD_EVENT_PRESSED;
5338       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5339
5340       if (id == drawing_function)
5341         checked = TRUE;
5342     }
5343     else
5344     {
5345       if (id == GADGET_ID_WRAP_LEFT ||
5346           id == GADGET_ID_WRAP_RIGHT ||
5347           id == GADGET_ID_WRAP_UP ||
5348           id == GADGET_ID_WRAP_DOWN)
5349         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5350       else
5351         event_mask = GD_EVENT_RELEASED;
5352     }
5353
5354     if (id == GADGET_ID_PROPERTIES)
5355     {
5356       x += DX;
5357       y += DY;
5358     }
5359     else
5360     {
5361       x += EX;
5362       y += EY;
5363     }
5364
5365     gi = CreateGadget(GDI_CUSTOM_ID, id,
5366                       GDI_CUSTOM_TYPE_ID, i,
5367                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5368                       GDI_X, x,
5369                       GDI_Y, y,
5370                       GDI_WIDTH, width,
5371                       GDI_HEIGHT, height,
5372                       GDI_TYPE, type,
5373                       GDI_STATE, GD_BUTTON_UNPRESSED,
5374                       GDI_RADIO_NR, radio_button_nr,
5375                       GDI_CHECKED, checked,
5376                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5377                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5378                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1a, gd_y1a,
5379                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2a, gd_y2a,
5380                       GDI_EVENT_MASK, event_mask,
5381                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5382                       GDI_CALLBACK_ACTION, HandleControlButtons,
5383                       GDI_END);
5384
5385     if (gi == NULL)
5386       Error(ERR_EXIT, "cannot create gadget");
5387
5388     level_editor_gadget[id] = gi;
5389   }
5390
5391   /* these values are not constant, but can change at runtime */
5392   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5393   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5394   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5395   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5396   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5397   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5398   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5399   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5400   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5401   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5402   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5403   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5404
5405   /* create buttons for scrolling of drawing area and element list */
5406   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5407   {
5408     int id = scrollbutton_info[i].gadget_id;
5409     int graphic = scrollbutton_info[i].graphic;
5410     struct GraphicInfo *gd = &graphic_info[graphic];
5411     Bitmap *gd_bitmap = gd->bitmap;
5412     int gd_x1 = gd->src_x;
5413     int gd_y1 = gd->src_y;
5414     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5415     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5416     int width  = gd->width;
5417     int height = gd->height;
5418     int x = scrollbutton_pos[i].x;
5419     int y = scrollbutton_pos[i].y;
5420     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5421
5422     if (id == GADGET_ID_SCROLL_LIST_UP ||
5423         id == GADGET_ID_SCROLL_LIST_DOWN)
5424     {
5425       x += DX;
5426       y += DY;
5427     }
5428     else
5429     {
5430       x += SX;
5431       y += SY;
5432     }
5433
5434     gi = CreateGadget(GDI_CUSTOM_ID, id,
5435                       GDI_CUSTOM_TYPE_ID, i,
5436                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5437                       GDI_X, x,
5438                       GDI_Y, y,
5439                       GDI_WIDTH, width,
5440                       GDI_HEIGHT, height,
5441                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5442                       GDI_STATE, GD_BUTTON_UNPRESSED,
5443                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5444                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5445                       GDI_EVENT_MASK, event_mask,
5446                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5447                       GDI_CALLBACK_ACTION, HandleControlButtons,
5448                       GDI_END);
5449
5450     if (gi == NULL)
5451       Error(ERR_EXIT, "cannot create gadget");
5452
5453     level_editor_gadget[id] = gi;
5454   }
5455
5456   /* create buttons for element list */
5457   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5458   {
5459     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5460     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5461     struct GraphicInfo *gd = &graphic_info[graphic];
5462     Bitmap *gd_bitmap = gd->bitmap;
5463     Bitmap *deco_bitmap;
5464     int deco_x, deco_y, deco_xpos, deco_ypos;
5465     int gd_x1 = gd->src_x;
5466     int gd_y1 = gd->src_y;
5467     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5468     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5469     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5470     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5471     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5472     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5473     int element = editor_elements[i];
5474     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5475                      MINI_TILESIZE);
5476     unsigned int event_mask = GD_EVENT_RELEASED;
5477
5478     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5479     deco_xpos = (gd->width  - tile_size) / 2;
5480     deco_ypos = (gd->height - tile_size) / 2;
5481
5482     gi = CreateGadget(GDI_CUSTOM_ID, id,
5483                       GDI_CUSTOM_TYPE_ID, i,
5484                       GDI_INFO_TEXT, getElementInfoText(element),
5485                       GDI_X, x,
5486                       GDI_Y, y,
5487                       GDI_WIDTH, gd->width,
5488                       GDI_HEIGHT, gd->height,
5489                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5490                       GDI_STATE, GD_BUTTON_UNPRESSED,
5491                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5492                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5493                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5494                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5495                       GDI_DECORATION_SIZE, tile_size, tile_size,
5496                       GDI_DECORATION_SHIFTING, 1, 1,
5497                       GDI_EVENT_MASK, event_mask,
5498                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5499                       GDI_CALLBACK_ACTION, HandleControlButtons,
5500                       GDI_END);
5501
5502     if (gi == NULL)
5503       Error(ERR_EXIT, "cannot create gadget");
5504
5505     level_editor_gadget[id] = gi;
5506   }
5507 }
5508
5509 static void CreateCounterButtons()
5510 {
5511   int max_infotext_len = getMaxInfoTextLength();
5512   int i;
5513
5514   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5515   {
5516     int j;
5517     int x = SX + counterbutton_info[i].x;       /* down count button */
5518     int y = SY + counterbutton_info[i].y;
5519
5520     /* determine horizontal position to the right of specified gadget */
5521     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5522       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5523            ED_GADGET_TEXT_DISTANCE);
5524
5525     /* determine horizontal offset for leading text */
5526     if (counterbutton_info[i].text_left != NULL)
5527       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5528
5529     for (j = 0; j < 2; j++)
5530     {
5531       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5532       struct GadgetInfo *gi;
5533       int id = (j == 0 ?
5534                 counterbutton_info[i].gadget_id_down :
5535                 counterbutton_info[i].gadget_id_up);
5536       int gd_xoffset;
5537       int gd_x, gd_y, gd_x1, gd_x2, gd_y1, gd_y2;
5538       int x_size, y_size;
5539       unsigned int event_mask;
5540       char infotext[max_infotext_len + 1];
5541
5542       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5543
5544       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5545       {
5546         int graphic = (j == 0 ?
5547                        IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5548                        IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5549         struct GraphicInfo *gd = &graphic_info[graphic];
5550
5551         gd_bitmap = gd->bitmap;
5552
5553         event_mask |= GD_EVENT_RELEASED;
5554
5555         if (j == 0)
5556         {
5557           x = DX + editor.button.prev_level.x;
5558           y = DY + editor.button.prev_level.y;
5559         }
5560         else
5561         {
5562           x = DX + editor.button.next_level.x;
5563           y = DY + editor.button.next_level.y;
5564         }
5565
5566         gd_x1 = gd->src_x;
5567         gd_y1 = gd->src_y;
5568         gd_x2 = gd->src_x + gd->pressed_xoffset;
5569         gd_y2 = gd->src_y + gd->pressed_yoffset;
5570         x_size = gd->width;
5571         y_size = gd->height;
5572       }
5573       else
5574       {
5575         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5576         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5577         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5578         gd_y1 = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5579         gd_y2 = gd_y1;
5580         x_size = ED_BUTTON_COUNT_XSIZE;
5581         y_size = ED_BUTTON_COUNT_YSIZE;
5582       }
5583
5584       sprintf(infotext, "%s counter value by 1, 5 or 10",
5585               (j == 0 ? "decrease" : "increase"));
5586
5587       gi = CreateGadget(GDI_CUSTOM_ID, id,
5588                         GDI_CUSTOM_TYPE_ID, i,
5589                         GDI_INFO_TEXT, infotext,
5590                         GDI_X, x,
5591                         GDI_Y, y,
5592                         GDI_WIDTH, x_size,
5593                         GDI_HEIGHT, y_size,
5594                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5595                         GDI_STATE, GD_BUTTON_UNPRESSED,
5596                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5597                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5598                         GDI_EVENT_MASK, event_mask,
5599                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5600                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5601                         GDI_END);
5602
5603       if (gi == NULL)
5604         Error(ERR_EXIT, "cannot create gadget");
5605
5606       level_editor_gadget[id] = gi;
5607       right_gadget_border[id] =
5608         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5609
5610       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5611
5612       if (j == 0)
5613       {
5614         int font_type = FONT_INPUT_1;
5615         int font_type_active = FONT_INPUT_1_ACTIVE;
5616         int gd_width = ED_WIN_COUNT_XSIZE;
5617         int border_size = ED_BORDER_SIZE;
5618
5619         id = counterbutton_info[i].gadget_id_text;
5620         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5621
5622         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5623         {
5624           int graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5625           struct GraphicInfo *gd = &graphic_info[graphic];
5626
5627           gd_bitmap = gd->bitmap;
5628
5629           x = DX + editor.input.level_number.x;
5630           y = DY + editor.input.level_number.y;
5631
5632           gd_x = gd->src_x;
5633           gd_y = gd->src_y;
5634           gd_width = gd->width;
5635           border_size = gd->border_size;
5636
5637           font_type = FONT_LEVEL_NUMBER;
5638           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5639         }
5640         else
5641         {
5642           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5643           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5644         }
5645
5646         gi = CreateGadget(GDI_CUSTOM_ID, id,
5647                           GDI_CUSTOM_TYPE_ID, i,
5648                           GDI_INFO_TEXT, "enter counter value",
5649                           GDI_X, x,
5650                           GDI_Y, y,
5651                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5652                           GDI_NUMBER_VALUE, 0,
5653                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5654                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5655                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5656                           GDI_TEXT_FONT, font_type,
5657                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5658                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5659                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5660                           GDI_BORDER_SIZE, border_size, border_size,
5661                           GDI_DESIGN_WIDTH, gd_width,
5662                           GDI_EVENT_MASK, event_mask,
5663                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5664                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5665                           GDI_END);
5666
5667         if (gi == NULL)
5668           Error(ERR_EXIT, "cannot create gadget");
5669
5670         level_editor_gadget[id] = gi;
5671         right_gadget_border[id] =
5672           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5673
5674         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5675       }
5676     }
5677   }
5678 }
5679
5680 static void CreateDrawingAreas()
5681 {
5682   int i;
5683
5684   /* these values are not constant, but can change at runtime */
5685   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5686   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5687
5688   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5689   {
5690     struct GadgetInfo *gi;
5691     unsigned int event_mask;
5692     int id = drawingarea_info[i].gadget_id;
5693     int x = SX + drawingarea_info[i].x;
5694     int y = SY + drawingarea_info[i].y;
5695     int area_xsize = drawingarea_info[i].area_xsize;
5696     int area_ysize = drawingarea_info[i].area_ysize;
5697
5698     event_mask =
5699       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5700       GD_EVENT_OFF_BORDERS;
5701
5702     /* determine horizontal position to the right of specified gadget */
5703     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5704       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5705            ED_DRAWINGAREA_TEXT_DISTANCE);
5706
5707     /* determine horizontal offset for leading text */
5708     if (drawingarea_info[i].text_left != NULL)
5709       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5710
5711     gi = CreateGadget(GDI_CUSTOM_ID, id,
5712                       GDI_CUSTOM_TYPE_ID, i,
5713                       GDI_X, x,
5714                       GDI_Y, y,
5715                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5716                       GDI_AREA_SIZE, area_xsize, area_ysize,
5717                       GDI_ITEM_SIZE, MINI_TILEX, MINI_TILEY,
5718                       GDI_EVENT_MASK, event_mask,
5719                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5720                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5721                       GDI_END);
5722
5723     if (gi == NULL)
5724       Error(ERR_EXIT, "cannot create gadget");
5725
5726     level_editor_gadget[id] = gi;
5727     right_gadget_border[id] =
5728       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5729   }
5730 }
5731
5732 static void CreateTextInputGadgets()
5733 {
5734   int max_infotext_len = getMaxInfoTextLength();
5735   int i;
5736
5737   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5738   {
5739     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5740     int gd_x, gd_y;
5741     struct GadgetInfo *gi;
5742     unsigned int event_mask;
5743     char infotext[MAX_OUTPUT_LINESIZE + 1];
5744     int id = textinput_info[i].gadget_id;
5745
5746     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5747
5748     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5749     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5750
5751     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5752     infotext[max_infotext_len] = '\0';
5753
5754     gi = CreateGadget(GDI_CUSTOM_ID, id,
5755                       GDI_CUSTOM_TYPE_ID, i,
5756                       GDI_INFO_TEXT, infotext,
5757                       GDI_X, SX + textinput_info[i].x,
5758                       GDI_Y, SY + textinput_info[i].y,
5759                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5760                       GDI_TEXT_VALUE, textinput_info[i].value,
5761                       GDI_TEXT_SIZE, textinput_info[i].size,
5762                       GDI_TEXT_FONT, FONT_INPUT_1,
5763                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5764                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5765                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5766                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5767                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5768                       GDI_EVENT_MASK, event_mask,
5769                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5770                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5771                       GDI_END);
5772
5773     if (gi == NULL)
5774       Error(ERR_EXIT, "cannot create gadget");
5775
5776     level_editor_gadget[id] = gi;
5777   }
5778 }
5779
5780 static void CreateTextAreaGadgets()
5781 {
5782   int max_infotext_len = getMaxInfoTextLength();
5783   int i;
5784
5785   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5786   {
5787     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5788     int gd_x, gd_y;
5789     struct GadgetInfo *gi;
5790     unsigned int event_mask;
5791     char infotext[MAX_OUTPUT_LINESIZE + 1];
5792     int id = textarea_info[i].gadget_id;
5793     int area_xsize = textarea_info[i].xsize;
5794     int area_ysize = textarea_info[i].ysize;
5795
5796     event_mask = GD_EVENT_TEXT_LEAVING;
5797
5798     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5799     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5800
5801     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5802     infotext[max_infotext_len] = '\0';
5803
5804     gi = CreateGadget(GDI_CUSTOM_ID, id,
5805                       GDI_CUSTOM_TYPE_ID, i,
5806                       GDI_INFO_TEXT, infotext,
5807                       GDI_X, SX + textarea_info[i].x,
5808                       GDI_Y, SY + textarea_info[i].y,
5809                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5810                       GDI_AREA_SIZE, area_xsize, area_ysize,
5811                       GDI_TEXT_FONT, FONT_INPUT_1,
5812                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5813                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5814                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5815                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5816                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5817                       GDI_EVENT_MASK, event_mask,
5818                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5819                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5820                       GDI_END);
5821
5822     if (gi == NULL)
5823       Error(ERR_EXIT, "cannot create gadget");
5824
5825     level_editor_gadget[id] = gi;
5826   }
5827 }
5828
5829 static void CreateSelectboxGadgets()
5830 {
5831   int max_infotext_len = getMaxInfoTextLength();
5832   int i, j;
5833
5834   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5835   {
5836     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5837     int gd_x, gd_y;
5838     struct GadgetInfo *gi;
5839     unsigned int event_mask;
5840     char infotext[MAX_OUTPUT_LINESIZE + 1];
5841     int id = selectbox_info[i].gadget_id;
5842     int x = SX + selectbox_info[i].x;
5843     int y = SY + selectbox_info[i].y;
5844
5845     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5846     {
5847       /* (we cannot use -1 for uninitialized values if we directly compare
5848          with results from strlen(), because the '<' and '>' operation will
5849          implicitely cast -1 to an unsigned integer value!) */
5850       selectbox_info[i].size = 0;
5851
5852       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5853         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5854           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5855
5856       selectbox_info[i].size++;         /* add one character empty space */
5857     }
5858
5859     event_mask = GD_EVENT_RELEASED |
5860       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5861
5862     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5863     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5864
5865     /* determine horizontal position to the right of specified gadget */
5866     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5867       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5868            ED_GADGET_TEXT_DISTANCE);
5869
5870     /* determine horizontal offset for leading text */
5871     if (selectbox_info[i].text_left != NULL)
5872       x += getTextWidthForGadget(selectbox_info[i].text_left);
5873
5874     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5875     infotext[max_infotext_len] = '\0';
5876
5877     gi = CreateGadget(GDI_CUSTOM_ID, id,
5878                       GDI_CUSTOM_TYPE_ID, i,
5879                       GDI_INFO_TEXT, infotext,
5880                       GDI_X, x,
5881                       GDI_Y, y,
5882                       GDI_TYPE, GD_TYPE_SELECTBOX,
5883                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5884                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5885                       GDI_TEXT_SIZE, selectbox_info[i].size,
5886                       GDI_TEXT_FONT, FONT_INPUT_1,
5887                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5888                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5889                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5890                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5891                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5892                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5893                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5894                       GDI_EVENT_MASK, event_mask,
5895                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5896                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5897                       GDI_END);
5898
5899     if (gi == NULL)
5900       Error(ERR_EXIT, "cannot create gadget");
5901
5902     level_editor_gadget[id] = gi;
5903     right_gadget_border[id] =
5904       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5905   }
5906 }
5907
5908 static void CreateTextbuttonGadgets()
5909 {
5910   int max_infotext_len = getMaxInfoTextLength();
5911   int i;
5912
5913   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5914   {
5915     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5916     int gd_x1, gd_x2, gd_y1, gd_y2;
5917     struct GadgetInfo *gi;
5918     unsigned int event_mask;
5919     char infotext[MAX_OUTPUT_LINESIZE + 1];
5920     int id = textbutton_info[i].gadget_id;
5921     int x = SX + textbutton_info[i].x;
5922     int y = SY + textbutton_info[i].y;
5923
5924     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5925       textbutton_info[i].size = strlen(textbutton_info[i].text);
5926
5927     event_mask = GD_EVENT_RELEASED;
5928
5929     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5930         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5931     {
5932       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5933       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5934       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5935       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5936     }
5937     else
5938     {
5939       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5940       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5941       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5942       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5943     }
5944
5945     sprintf(infotext, "%s", textbutton_info[i].infotext);
5946     infotext[max_infotext_len] = '\0';
5947
5948     /* determine horizontal position to the right of specified gadget */
5949     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5950       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5951            ED_GADGET_TEXT_DISTANCE);
5952
5953     /* determine horizontal offset for leading text */
5954     if (textbutton_info[i].text_left != NULL)
5955       x += getTextWidthForGadget(textbutton_info[i].text_left);
5956
5957     gi = CreateGadget(GDI_CUSTOM_ID, id,
5958                       GDI_CUSTOM_TYPE_ID, i,
5959                       GDI_INFO_TEXT, infotext,
5960                       GDI_X, x,
5961                       GDI_Y, y,
5962                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5963                       GDI_TEXT_VALUE, textbutton_info[i].text,
5964                       GDI_TEXT_SIZE, textbutton_info[i].size,
5965                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5966                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5967                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5968                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5969                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5970                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5971                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5972                       GDI_DECORATION_SHIFTING, 1, 1,
5973                       GDI_EVENT_MASK, event_mask,
5974                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5975                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5976                       GDI_END);
5977
5978     if (gi == NULL)
5979       Error(ERR_EXIT, "cannot create gadget");
5980
5981     level_editor_gadget[id] = gi;
5982     right_gadget_border[id] =
5983       getRightGadgetBorder(gi, textbutton_info[i].text_right);
5984   }
5985 }
5986
5987 static void CreateGraphicbuttonGadgets()
5988 {
5989   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5990   struct GadgetInfo *gi;
5991   unsigned int event_mask;
5992   int i;
5993
5994   /* create buttons for scrolling of drawing area and element list */
5995   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
5996   {
5997     int id = graphicbutton_info[i].gadget_id;
5998     int gd_x1, gd_x2, gd_y1, gd_y2;
5999     int x = SX + graphicbutton_info[i].x;
6000     int y = SY + graphicbutton_info[i].y;
6001
6002     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6003
6004     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6005     {
6006       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
6007       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6008       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
6009       gd_y2 = gd_y1;
6010     }
6011     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
6012     {
6013       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
6014       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6015       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
6016       gd_y2 = gd_y1;
6017     }
6018
6019     /* determine horizontal position to the right of specified gadget */
6020     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6021       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6022            ED_GADGET_TEXT_DISTANCE);
6023
6024     /* determine horizontal offset for leading text */
6025     if (graphicbutton_info[i].text_left != NULL)
6026       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6027
6028     gi = CreateGadget(GDI_CUSTOM_ID, id,
6029                       GDI_CUSTOM_TYPE_ID, i,
6030                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6031                       GDI_X, x,
6032                       GDI_Y, y,
6033                       GDI_WIDTH, graphicbutton_info[i].width,
6034                       GDI_HEIGHT, graphicbutton_info[i].height,
6035                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6036                       GDI_STATE, GD_BUTTON_UNPRESSED,
6037                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6038                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6039                       GDI_EVENT_MASK, event_mask,
6040                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6041                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6042                       GDI_END);
6043
6044     if (gi == NULL)
6045       Error(ERR_EXIT, "cannot create gadget");
6046
6047     level_editor_gadget[id] = gi;
6048     right_gadget_border[id] =
6049       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6050   }
6051 }
6052
6053 static void CreateScrollbarGadgets()
6054 {
6055   int i;
6056
6057   /* these values are not constant, but can change at runtime */
6058   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6059     SX + ED_SCROLL_HORIZONTAL_XPOS;
6060   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6061     SY + ED_SCROLL_HORIZONTAL_YPOS;
6062   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6063     ED_SCROLL_HORIZONTAL_XSIZE;
6064   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6065     ED_SCROLL_HORIZONTAL_YSIZE;
6066   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6067   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6068   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6069   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6070
6071   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6072     SX + ED_SCROLL_VERTICAL_XPOS;
6073   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6074     SY + ED_SCROLL_VERTICAL_YPOS;
6075   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6076     ED_SCROLL_VERTICAL_XSIZE;
6077   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6078     ED_SCROLL_VERTICAL_YSIZE;
6079   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6080   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6081   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6082   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6083
6084   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6085     DX + ED_SCROLL2_VERTICAL_XPOS;
6086   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6087     DY + ED_SCROLL2_VERTICAL_YPOS;
6088   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6089     ED_SCROLL2_VERTICAL_XSIZE;
6090   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6091     ED_SCROLL2_VERTICAL_YSIZE;
6092   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6093   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6094   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6095   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6096
6097   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6098   {
6099     int id = scrollbar_info[i].gadget_id;
6100     int graphic = scrollbar_info[i].graphic;
6101     struct GraphicInfo *gd = &graphic_info[graphic];
6102     Bitmap *gd_bitmap = gd->bitmap;
6103     int gd_x1, gd_x2, gd_y1, gd_y2;
6104     struct GadgetInfo *gi;
6105     int items_max, items_visible, item_position;
6106     unsigned int event_mask;
6107
6108     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6109     {
6110       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6111       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6112       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6113     }
6114     else        /* drawing area scrollbars */
6115     {
6116       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6117       {
6118         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6119         items_visible = ed_fieldx;
6120         item_position = 0;
6121       }
6122       else
6123       {
6124         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6125         items_visible = ed_fieldy;
6126         item_position = 0;
6127       }
6128     }
6129
6130     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6131
6132     gd_x1 = gd->src_x;
6133     gd_y1 = gd->src_y;
6134     gd_x2 = gd->src_x + gd->pressed_xoffset;
6135     gd_y2 = gd->src_y + gd->pressed_yoffset;
6136
6137     gi = CreateGadget(GDI_CUSTOM_ID, id,
6138                       GDI_CUSTOM_TYPE_ID, i,
6139                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6140                       GDI_X, scrollbar_pos[i].x,
6141                       GDI_Y, scrollbar_pos[i].y,
6142                       GDI_WIDTH, scrollbar_pos[i].width,
6143                       GDI_HEIGHT, scrollbar_pos[i].height,
6144                       GDI_TYPE, scrollbar_info[i].type,
6145                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6146                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6147                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6148                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6149                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6150                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6151                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6152                       GDI_STATE, GD_BUTTON_UNPRESSED,
6153                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6154                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6155                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6156                       GDI_EVENT_MASK, event_mask,
6157                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6158                       GDI_CALLBACK_ACTION, HandleControlButtons,
6159                       GDI_END);
6160
6161     if (gi == NULL)
6162       Error(ERR_EXIT, "cannot create gadget");
6163
6164     level_editor_gadget[id] = gi;
6165   }
6166 }
6167
6168 static void CreateCheckbuttonGadgets()
6169 {
6170   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6171   struct GadgetInfo *gi;
6172   unsigned int event_mask;
6173   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6174   int i;
6175
6176   event_mask = GD_EVENT_PRESSED;
6177
6178   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6179   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6180   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6181   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6182   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6183
6184   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6185   {
6186     int id = checkbutton_info[i].gadget_id;
6187     int x = SX + checkbutton_info[i].x;
6188     int y = SY + checkbutton_info[i].y;
6189
6190     if (id == GADGET_ID_STICK_ELEMENT)
6191       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6192     else
6193       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6194
6195     /* determine horizontal position to the right of specified gadget */
6196     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6197       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6198            ED_GADGET_TEXT_DISTANCE);
6199
6200     /* determine horizontal offset for leading text */
6201     if (checkbutton_info[i].text_left != NULL)
6202       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6203
6204     gi = CreateGadget(GDI_CUSTOM_ID, id,
6205                       GDI_CUSTOM_TYPE_ID, i,
6206                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6207                       GDI_X, x,
6208                       GDI_Y, y,
6209                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6210                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6211                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6212                       GDI_CHECKED, *checkbutton_info[i].value,
6213                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6214                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6215                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6216                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6217                       GDI_EVENT_MASK, event_mask,
6218                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6219                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6220                       GDI_END);
6221
6222     if (gi == NULL)
6223       Error(ERR_EXIT, "cannot create gadget");
6224
6225     level_editor_gadget[id] = gi;
6226     right_gadget_border[id] =
6227       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6228   }
6229 }
6230
6231 static void CreateRadiobuttonGadgets()
6232 {
6233   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6234   struct GadgetInfo *gi;
6235   unsigned int event_mask;
6236   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6237   int i;
6238
6239   event_mask = GD_EVENT_PRESSED;
6240
6241   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6242   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6243   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6244   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6245   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6246
6247   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6248   {
6249     int id = radiobutton_info[i].gadget_id;
6250     int x = SX + radiobutton_info[i].x;
6251     int y = SY + radiobutton_info[i].y;
6252
6253     int checked =
6254       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6255
6256     /* determine horizontal position to the right of specified gadget */
6257     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6258       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6259            ED_GADGET_TEXT_DISTANCE);
6260
6261     /* determine horizontal offset for leading text */
6262     if (radiobutton_info[i].text_left != NULL)
6263       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6264
6265     gi = CreateGadget(GDI_CUSTOM_ID, id,
6266                       GDI_CUSTOM_TYPE_ID, i,
6267                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6268                       GDI_X, x,
6269                       GDI_Y, y,
6270                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6271                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6272                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6273                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6274                       GDI_CHECKED, checked,
6275                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6276                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6277                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6278                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6279                       GDI_EVENT_MASK, event_mask,
6280                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6281                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6282                       GDI_END);
6283
6284     if (gi == NULL)
6285       Error(ERR_EXIT, "cannot create gadget");
6286
6287     level_editor_gadget[id] = gi;
6288     right_gadget_border[id] =
6289       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6290   }
6291 }
6292
6293 void CreateLevelEditorGadgets()
6294 {
6295   int old_game_status = game_status;
6296
6297   /* setting 'game_status' is needed to get the right fonts for the editor */
6298   game_status = GAME_MODE_EDITOR;
6299
6300   /* these values are not constant, but can change at runtime */
6301   ed_fieldx = MAX_ED_FIELDX - 1;
6302   ed_fieldy = MAX_ED_FIELDY - 1;
6303
6304   num_editor_gadgets = NUM_EDITOR_GADGETS;
6305
6306   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6307
6308   level_editor_gadget =
6309     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6310   right_gadget_border =
6311     checked_calloc(num_editor_gadgets * sizeof(int));
6312
6313   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6314   editor_el_empty_ptr = editor_el_empty;
6315
6316   ReinitializeElementList();
6317
6318   CreateControlButtons();
6319   CreateScrollbarGadgets();
6320
6321   /* order of function calls is important because of cross-references */
6322   CreateCheckbuttonGadgets();
6323   CreateCounterButtons();
6324   CreateRadiobuttonGadgets();
6325   CreateTextInputGadgets();
6326   CreateTextAreaGadgets();
6327   CreateSelectboxGadgets();
6328   CreateGraphicbuttonGadgets();
6329   CreateTextbuttonGadgets();
6330   CreateDrawingAreas();
6331
6332   game_status = old_game_status;
6333 }
6334
6335 void FreeLevelEditorGadgets()
6336 {
6337   int i;
6338
6339   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6340
6341   for (i = 0; i < num_editor_gadgets; i++)
6342   {
6343     FreeGadget(level_editor_gadget[i]);
6344
6345     level_editor_gadget[i] = NULL;
6346   }
6347
6348   checked_free(level_editor_gadget);
6349   checked_free(right_gadget_border);
6350
6351   checked_free(editor_el_empty);
6352 }
6353
6354 static void MapCounterButtons(int id)
6355 {
6356   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6357   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6358   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6359   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6360   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6361   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6362   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6363   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6364   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6365   int yoffset = ED_BORDER_SIZE;
6366   int x_left = gi_down->x - xoffset_left;
6367   int x_right;  /* set after gadget position was modified */
6368   int y_above = gi_down->y - yoffset_above;
6369   int x = gi_down->x;
6370   int y;        /* set after gadget position was modified */
6371
6372   /* counter limits must be changed first to prevent value truncation */
6373   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6374                             counterbutton_info[id].max_value);
6375
6376   /* right text position might have changed after setting position above */
6377   x_right = gi_up->x + gi_up->width + xoffset_right;
6378
6379   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6380
6381   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6382   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6383       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6384   {
6385     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6386     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6387     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6388   }
6389
6390   /* vertical position might have changed after setting position above */
6391   y = gi_up->y + yoffset;
6392
6393   if (counterbutton_info[id].text_above)
6394     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6395
6396   if (counterbutton_info[id].text_left)
6397     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6398
6399   if (counterbutton_info[id].text_right)
6400     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6401
6402   MapGadget(gi_down);
6403   MapGadget(gi_text);
6404   MapGadget(gi_up);
6405 }
6406
6407 static void MapControlButtons()
6408 {
6409   int counter_id;
6410   int i;
6411
6412   /* map toolbox buttons (excluding special CE toolbox buttons) */
6413   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6414     MapGadget(level_editor_gadget[i]);
6415
6416   /* map toolbox buttons (element properties button) */
6417   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6418
6419   /* map buttons to select elements */
6420   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6421     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6422   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6423   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6424   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6425
6426   /* map buttons to select level */
6427   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6428   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6429   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6430   MapCounterButtons(counter_id);
6431 }
6432
6433 static void MapDrawingArea(int id)
6434 {
6435   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6436   int area_xsize = gi->drawing.area_xsize;
6437   int area_ysize = gi->drawing.area_ysize;
6438   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6439   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6440   int x_left  = gi->x - xoffset_left;
6441   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6442   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6443   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6444   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6445
6446   if (drawingarea_info[id].text_left)
6447     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6448
6449   if (drawingarea_info[id].text_right)
6450     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6451
6452   if (drawingarea_info[id].text_below)
6453     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6454
6455   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6456   {
6457     DrawElementBorder(gi->x, gi->y,
6458                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6459
6460     DrawDrawingArea(id);
6461   }
6462
6463   MapGadget(gi);
6464 }
6465
6466 static void MapTextInputGadget(int id)
6467 {
6468   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6469   int xoffset_above = 0;
6470   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6471   int x_above = textinput_info[id].x + xoffset_above;
6472   int y_above = textinput_info[id].y + yoffset_above;
6473
6474   if (textinput_info[id].text_above)
6475     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6476
6477   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6478
6479   MapGadget(gi);
6480 }
6481
6482 static void MapTextAreaGadget(int id)
6483 {
6484   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6485   int xoffset_above = 0;
6486   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6487   int x_above = textarea_info[id].x + xoffset_above;
6488   int y_above = textarea_info[id].y + yoffset_above;
6489
6490   if (textarea_info[id].text_above)
6491     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6492
6493   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6494
6495   MapGadget(gi);
6496 }
6497
6498 static void MapSelectboxGadget(int id)
6499 {
6500   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6501   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6502   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6503   int yoffset = ED_BORDER_SIZE;
6504   int x_left = gi->x - xoffset_left;
6505   int x_right = gi->x + gi->width + xoffset_right;
6506   int y = gi->y + yoffset;
6507
6508   if (selectbox_info[id].text_left)
6509     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6510
6511   if (selectbox_info[id].text_right)
6512     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6513
6514   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6515
6516   MapGadget(gi);
6517 }
6518
6519 static void MapTextbuttonGadget(int id)
6520 {
6521   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6522   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6523   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6524   int yoffset = ED_BORDER_SIZE;
6525   int x_left = gi->x - xoffset_left;
6526   int x_right = gi->x + gi->width + xoffset_right;
6527   int y = gi->y + yoffset;
6528
6529   /* only show button to delete change pages when more than minimum pages */
6530   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6531       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6532     return;
6533
6534   if (textbutton_info[id].text_left)
6535     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6536
6537   if (textbutton_info[id].text_right)
6538     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6539
6540   MapGadget(gi);
6541 }
6542
6543 static void MapGraphicbuttonGadget(int id)
6544 {
6545   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6546   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6547   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6548   int yoffset = ED_BORDER_SIZE;
6549   int x_left = gi->x - xoffset_left;
6550   int x_right = gi->x + gi->width + xoffset_right;
6551   int y = gi->y + yoffset;
6552
6553   if (graphicbutton_info[id].text_left)
6554     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6555
6556   if (graphicbutton_info[id].text_right)
6557     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6558
6559   MapGadget(gi);
6560 }
6561
6562 static void MapRadiobuttonGadget(int id)
6563 {
6564   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6565   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6566   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6567   int yoffset = ED_BORDER_SIZE;
6568   int x_left = gi->x - xoffset_left;
6569   int x_right = gi->x + gi->width + xoffset_right;
6570   int y = gi->y + yoffset;
6571   boolean checked =
6572     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6573
6574   if (radiobutton_info[id].text_left)
6575     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6576
6577   if (radiobutton_info[id].text_right)
6578     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6579
6580   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6581
6582   MapGadget(gi);
6583 }
6584
6585 static void MapCheckbuttonGadget(int id)
6586 {
6587   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6588   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6589   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6590   int yoffset = ED_BORDER_SIZE;
6591   int x_left, x_right, y;       /* set after gadget position was modified */
6592
6593   /* set position for gadgets with dynamically determined position */
6594   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6595     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6596   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6597
6598   x_left = gi->x - xoffset_left;
6599   x_right = gi->x + gi->width + xoffset_right;
6600   y = gi->y + yoffset;
6601
6602   if (checkbutton_info[id].text_left)
6603     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6604
6605   if (checkbutton_info[id].text_right)
6606     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6607
6608   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6609
6610   MapGadget(gi);
6611 }
6612
6613 static void MapMainDrawingArea()
6614 {
6615   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6616   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6617   int i;
6618
6619   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6620   {
6621     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6622           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6623          no_horizontal_scrollbar) ||
6624         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6625           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6626          no_vertical_scrollbar))
6627       continue;
6628
6629     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6630   }
6631
6632   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6633   {
6634     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6635         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6636       continue;
6637
6638     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6639   }
6640
6641   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6642 }
6643
6644 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6645 {
6646   int i;
6647
6648   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6649   {
6650     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6651         i == GADGET_ID_CUSTOM_COPY_TO ||
6652         i == GADGET_ID_CUSTOM_EXCHANGE ||
6653         i == GADGET_ID_CUSTOM_COPY ||
6654         i == GADGET_ID_CUSTOM_PASTE)
6655     {
6656       if (map)
6657         MapGadget(level_editor_gadget[i]);
6658       else
6659         UnmapGadget(level_editor_gadget[i]);
6660     }
6661   }
6662 }
6663
6664 static void MapLevelEditorToolboxCustomGadgets()
6665 {
6666   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6667 }
6668
6669 static void UnmapLevelEditorToolboxCustomGadgets()
6670 {
6671   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6672 }
6673
6674 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6675 {
6676   int i;
6677
6678   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6679   {
6680     if (i != GADGET_ID_SINGLE_ITEMS &&
6681         i != GADGET_ID_PICK_ELEMENT)
6682     {
6683       struct GadgetInfo *gi = level_editor_gadget[i];
6684
6685       if (map)
6686       {
6687         MapGadget(gi);
6688       }
6689       else
6690       {
6691         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6692         struct GraphicInfo *gd = &graphic_info[graphic];
6693
6694         UnmapGadget(gi);
6695
6696         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6697                    gi->width, gi->height, gi->x, gi->y);
6698
6699         redraw_mask |= REDRAW_DOOR_3;
6700       }
6701     }
6702   }
6703 }
6704
6705 static void MapLevelEditorToolboxDrawingGadgets()
6706 {
6707   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6708 }
6709
6710 static void UnmapLevelEditorToolboxDrawingGadgets()
6711 {
6712   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6713 }
6714
6715 static void UnmapDrawingArea(int id)
6716 {
6717   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6718 }
6719
6720 static void UnmapLevelEditorFieldGadgets()
6721 {
6722   int i;
6723
6724   for (i = 0; i < num_editor_gadgets; i++)
6725     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6726                           level_editor_gadget[i]->y))
6727       UnmapGadget(level_editor_gadget[i]);
6728 }
6729
6730 void UnmapLevelEditorGadgets()
6731 {
6732   int i;
6733
6734   for (i = 0; i < num_editor_gadgets; i++)
6735     UnmapGadget(level_editor_gadget[i]);
6736 }
6737
6738 static void ResetUndoBuffer()
6739 {
6740   undo_buffer_position = -1;
6741   undo_buffer_steps = -1;
6742   redo_buffer_steps = 0;
6743
6744   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6745
6746   level.changed = FALSE;
6747 }
6748
6749 static void DrawEditModeWindow()
6750 {
6751   ModifyEditorElementList();
6752   RedrawDrawingElements();
6753
6754   if (edit_mode == ED_MODE_INFO)
6755     DrawLevelInfoWindow();
6756   else if (edit_mode == ED_MODE_PROPERTIES)
6757     DrawPropertiesWindow();
6758   else  /* edit_mode == ED_MODE_DRAWING */
6759     DrawDrawingWindow();
6760 }
6761
6762 static boolean LevelChanged()
6763 {
6764   boolean field_changed = FALSE;
6765   int x, y;
6766
6767   for (y = 0; y < lev_fieldy; y++)
6768     for (x = 0; x < lev_fieldx; x++)
6769       if (Feld[x][y] != level.field[x][y])
6770         field_changed = TRUE;
6771
6772   return (level.changed || field_changed);
6773 }
6774
6775 static boolean PrepareSavingIntoPersonalLevelSet()
6776 {
6777   static LevelDirTree *last_copied_leveldir = NULL;
6778   static LevelDirTree *last_written_leveldir = NULL;
6779   static int last_copied_level_nr = -1;
6780   static int last_written_level_nr = -1;
6781   LevelDirTree *leveldir_former = leveldir_current;
6782   int level_nr_former = level_nr;
6783   int new_level_nr;
6784
6785   // remember last mod/save so that for current session, we write
6786   // back to the same personal copy, asking only about overwrite.
6787   if (leveldir_current == last_copied_leveldir &&
6788       level_nr == last_copied_level_nr)
6789   {
6790     // "cd" to personal level set dir (as used when writing last copy)
6791     leveldir_current = last_written_leveldir;
6792     level_nr = last_written_level_nr;
6793
6794     return TRUE;
6795   }
6796
6797   if (!Request("This level is read only! "
6798                "Save into personal level set?", REQ_ASK))
6799     return FALSE;
6800
6801   // "cd" to personal level set dir (for writing copy the first time)
6802   leveldir_current =
6803     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6804
6805   // find unused level number
6806   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6807   {
6808     static char *level_filename = NULL;
6809
6810     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6811
6812     if (!fileExists(level_filename))
6813       break;
6814   }
6815
6816   last_copied_leveldir = leveldir_former;
6817   last_copied_level_nr = level_nr_former;
6818
6819   last_written_leveldir = leveldir_current;
6820   last_written_level_nr = level_nr = new_level_nr;
6821
6822   return TRUE;
6823 }
6824
6825 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6826 {
6827   static char *filename_levelinfo = NULL, *mod_name = NULL;
6828   FILE *file;
6829
6830   // annotate this copy-and-mod in personal levelinfo.conf
6831   setString(&filename_levelinfo,
6832             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6833
6834   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6835   {
6836     fprintf(file, "\n");
6837     fprintf(file, "# level %d was modified from:\n", level_nr);
6838     fprintf(file, "# - previous level set name:    %s\n",
6839             former_name);
6840     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6841             level.file_info.nr, level.name);
6842     fprintf(file, "# - previous author:            %s\n",
6843             level.author);
6844     fprintf(file, "# - previous save date:         ");
6845
6846     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6847     {
6848       fprintf(file, "%04d-%02d-%02d\n",
6849               level.creation_date.year,
6850               level.creation_date.month,
6851               level.creation_date.day);
6852     }
6853     else
6854     {
6855       fprintf(file, "not recorded\n");
6856     }
6857
6858     fclose(file);
6859   }
6860
6861   if (level_nr > leveldir_current->last_level)
6862   {
6863     static char *temp_levelinfo = NULL;
6864     FILE *temp_file = NULL;
6865     char line[MAX_LINE_LEN];
6866
6867     setString(&temp_levelinfo,
6868               getPath2(getCurrentLevelDir(),
6869                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6870
6871     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6872         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6873     {
6874       while (fgets(line, MAX_LINE_LEN, file))
6875       {
6876         if (!strPrefix(line, "levels:"))
6877           fputs(line, temp_file);
6878         else
6879           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6880       }
6881     }
6882
6883     if (temp_file)
6884       fclose(temp_file);
6885
6886     if (file)
6887       fclose(file);
6888
6889     // needs error handling; also, ok on dos/win?
6890     unlink(filename_levelinfo);
6891     rename(temp_levelinfo, filename_levelinfo);
6892   }
6893
6894   // else: allow the save even if annotation failed
6895
6896   // now... spray graffiti on the old level vital statistics
6897   // user can change these; just trying to set a good baseline
6898
6899   // don't truncate names for fear of making offensive or silly:
6900   // long-named original author only recorded in levelinfo.conf.
6901   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6902   if (!strEqual(level.author, leveldir_current->author))
6903   {
6904     setString(&mod_name, getStringCat3(leveldir_current->author,
6905                                        " after ", level.author));
6906
6907     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6908       setString(&mod_name,
6909                 getStringCat2(leveldir_current->author, " (ed.)"));
6910
6911     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6912       setString(&mod_name, leveldir_current->author);
6913
6914     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6915
6916     // less worried about truncation here
6917     setString(&mod_name, getStringCat2("Mod: ", level.name));
6918     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6919   }
6920 }
6921
6922 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6923                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6924 {
6925   int x, y;
6926
6927   for (x = 0; x < lev_fieldx; x++)
6928     for (y = 0; y < lev_fieldy; y++)
6929       dst[x][y] = src[x][y];
6930 }
6931
6932 static int setSelectboxValue(int selectbox_id, int new_value)
6933 {
6934   int new_index_value = 0;
6935   int i;
6936
6937   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6938     if (selectbox_info[selectbox_id].options[i].value == new_value)
6939       new_index_value = i;
6940
6941   *selectbox_info[selectbox_id].value =
6942     selectbox_info[selectbox_id].options[new_index_value].value;
6943
6944   return new_index_value;
6945 }
6946
6947 static void setSelectboxSpecialActionVariablesIfNeeded()
6948 {
6949   int i;
6950
6951   /* change action mode and arg variables according to action type variable */
6952   for (i = 0; action_arg_options[i].value != -1; i++)
6953   {
6954     if (action_arg_options[i].value == custom_element_change.action_type)
6955     {
6956       int mode = action_arg_options[i].mode;
6957
6958       /* only change if corresponding selectbox has changed */
6959       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6960           action_arg_modes[mode])
6961         custom_element_change.action_mode = -1;
6962
6963       /* only change if corresponding selectbox has changed */
6964       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6965           action_arg_options[i].options)
6966         custom_element_change.action_arg = -1;
6967
6968       break;
6969     }
6970   }
6971 }
6972
6973 static void setSelectboxSpecialActionOptions()
6974 {
6975   int i;
6976
6977   /* change action mode and arg selectbox according to action type selectbox */
6978   for (i = 0; action_arg_options[i].value != -1; i++)
6979   {
6980     if (action_arg_options[i].value == custom_element_change.action_type)
6981     {
6982       int mode = action_arg_options[i].mode;
6983
6984       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
6985                                    action_arg_modes[mode]);
6986       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
6987                                  custom_element_change.action_mode);
6988
6989       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
6990                                    action_arg_options[i].options);
6991       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
6992                                  custom_element_change.action_arg);
6993       break;
6994     }
6995   }
6996 }
6997
6998 static void copy_custom_element_settings(int element_from, int element_to)
6999 {
7000   struct ElementInfo *ei_from = &element_info[element_from];
7001   struct ElementInfo *ei_to = &element_info[element_to];
7002
7003   copyElementInfo(ei_from, ei_to);
7004 }
7005
7006 static void replace_custom_element_in_settings(int element_from,
7007                                                int element_to)
7008 {
7009   int i, j, x, y;
7010
7011   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7012   {
7013     struct ElementInfo *ei = &element_info[i];
7014
7015     for (y = 0; y < 3; y++)
7016       for (x = 0; x < 3; x++)
7017         if (ei->content.e[x][y] == element_from)
7018           ei->content.e[x][y] = element_to;
7019
7020     for (j = 0; j < ei->num_change_pages; j++)
7021     {
7022       struct ElementChangeInfo *change = &ei->change_page[j];
7023
7024       if (change->target_element == element_from)
7025         change->target_element = element_to;
7026
7027       if (change->initial_trigger_element == element_from)
7028         change->initial_trigger_element = element_to;
7029
7030       if (change->action_element == element_from)
7031         change->action_element = element_to;
7032
7033       for (y = 0; y < 3; y++)
7034         for (x = 0; x < 3; x++)
7035           if (change->target_content.e[x][y] == element_from)
7036             change->target_content.e[x][y] = element_to;
7037     }
7038
7039     if (ei->group != NULL)                              /* group or internal */
7040       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7041         if (ei->group->element[j] == element_from)
7042           ei->group->element[j] = element_to;
7043   }
7044 }
7045
7046 static void replace_custom_element_in_playfield(int element_from,
7047                                                 int element_to)
7048 {
7049   int x, y;
7050
7051   for (x = 0; x < lev_fieldx; x++)
7052     for (y = 0; y < lev_fieldy; y++)
7053       if (Feld[x][y] == element_from)
7054         Feld[x][y] = element_to;
7055 }
7056
7057 static boolean CopyCustomElement(int element_old, int element_new,
7058                                  int copy_mode)
7059 {
7060   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7061   {
7062     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7063                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7064     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7065   }
7066   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7067   {
7068     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7069                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7070     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7071
7072     level.changed = TRUE;
7073   }
7074   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7075   {
7076     Request("Please choose custom element!", REQ_CONFIRM);
7077
7078     return FALSE;
7079   }
7080   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7081   {
7082     Request("Please choose group element!", REQ_CONFIRM);
7083
7084     return FALSE;
7085   }
7086   else
7087   {
7088     level.changed = TRUE;
7089   }
7090
7091   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7092   {
7093     copy_custom_element_settings(element_new, element_old);
7094   }
7095   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7096   {
7097     copy_custom_element_settings(element_old, element_new);
7098   }
7099   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7100   {
7101     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7102     copy_custom_element_settings(element_new, element_old);
7103     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7104
7105     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7106     replace_custom_element_in_settings(element_new, element_old);
7107     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7108
7109     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7110     replace_custom_element_in_playfield(element_new, element_old);
7111     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7112   }
7113
7114   UpdateCustomElementGraphicGadgets();
7115   DrawPropertiesWindow();
7116
7117   return TRUE;
7118 }
7119
7120 static void CopyCustomElementPropertiesToEditor(int element)
7121 {
7122   int i;
7123   int current_change_page = element_info[element].current_change_page;
7124
7125   /* dynamically (re)build selectbox for selecting change page */
7126   for (i = 0; i < element_info[element].num_change_pages; i++)
7127   {
7128     sprintf(options_change_page_strings[i], "%d", i + 1);
7129
7130     options_change_page[i].value = i;
7131     options_change_page[i].text = options_change_page_strings[i];
7132   }
7133
7134   options_change_page[i].value = -1;
7135   options_change_page[i].text = NULL;
7136
7137   /* needed here to initialize combined element properties */
7138   InitElementPropertiesEngine(level.game_version);
7139
7140   element_info[element].change =
7141     &element_info[element].change_page[current_change_page];
7142
7143   custom_element = element_info[element];
7144   custom_element_change = *element_info[element].change;
7145
7146   /* needed to initially set selectbox options for special action options */
7147   setSelectboxSpecialActionOptions();
7148
7149   /* needed to initially set selectbox value variables to reliable defaults */
7150   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7151     setSelectboxValue(i, *selectbox_info[i].value);
7152
7153   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7154     custom_element_properties[i] = HAS_PROPERTY(element, i);
7155
7156   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7157     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7158
7159   /* ---------- element settings: configure (custom elements) ------------- */
7160
7161   /* set accessible layer selectbox help value */
7162   custom_element.access_type =
7163     (IS_WALKABLE(element) ? EP_WALKABLE :
7164      IS_PASSABLE(element) ? EP_PASSABLE :
7165      custom_element.access_type);
7166   custom_element.access_layer =
7167     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7168      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7169      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7170      custom_element.access_layer);
7171   custom_element.access_protected =
7172     (IS_PROTECTED(element) ? 1 : 0);
7173   custom_element_properties[EP_ACCESSIBLE] =
7174     (IS_ACCESSIBLE_OVER(element) ||
7175      IS_ACCESSIBLE_INSIDE(element) ||
7176      IS_ACCESSIBLE_UNDER(element));
7177
7178   /* set walk-to-object action selectbox help value */
7179   custom_element.walk_to_action =
7180     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7181      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7182      IS_DROPPABLE(element) ? EP_DROPPABLE :
7183      IS_THROWABLE(element) ? EP_THROWABLE :
7184      IS_PUSHABLE(element) ? EP_PUSHABLE :
7185      custom_element.walk_to_action);
7186   custom_element_properties[EP_WALK_TO_OBJECT] =
7187     (IS_DIGGABLE(element) ||
7188      IS_COLLECTIBLE_ONLY(element) ||
7189      IS_DROPPABLE(element) ||
7190      IS_THROWABLE(element) ||
7191      IS_PUSHABLE(element));
7192
7193   /* set smash targets selectbox help value */
7194   custom_element.smash_targets =
7195     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7196      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7197      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7198      custom_element.smash_targets);
7199   custom_element_properties[EP_CAN_SMASH] =
7200     (CAN_SMASH_EVERYTHING(element) ||
7201      CAN_SMASH_ENEMIES(element) ||
7202      CAN_SMASH_PLAYER(element));
7203
7204   /* set deadliness selectbox help value */
7205   custom_element.deadliness =
7206     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7207      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7208      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7209      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7210      custom_element.deadliness);
7211   custom_element_properties[EP_DEADLY] =
7212     (DONT_TOUCH(element) ||
7213      DONT_GET_HIT_BY(element) ||
7214      DONT_COLLIDE_WITH(element) ||
7215      DONT_RUN_INTO(element));
7216
7217   /* ---------- element settings: advanced (custom elements) --------------- */
7218
7219   /* set "change by direct action" selectbox help value */
7220   custom_element_change.direct_action =
7221     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7222      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7223      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7224      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7225      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7226      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7227      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7228      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7229      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7230      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7231      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7232      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7233      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7234      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7235      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7236      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7237      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7238      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7239      custom_element_change.direct_action);
7240
7241   /* set "change by other element action" selectbox help value */
7242   custom_element_change.other_action =
7243     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7244      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7245      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7246      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7247      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7248      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7249      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7250      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7251      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7252      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7253      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7254      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7255      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7256      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7257      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7258      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7259      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7260      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7261      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7262      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7263      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7264      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7265      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7266      custom_element_change.other_action);
7267 }
7268
7269 static void CopyGroupElementPropertiesToEditor(int element)
7270 {
7271   group_element_info = *element_info[element].group;
7272   custom_element = element_info[element];       /* needed for description */
7273 }
7274
7275 static void CopyClassicElementPropertiesToEditor(int element)
7276 {
7277   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7278     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7279       getMoveIntoAcidProperty(&level, element);
7280
7281   if (MAYBE_DONT_COLLIDE_WITH(element))
7282     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7283       getDontCollideWithProperty(&level, element);
7284 }
7285
7286 static void CopyElementPropertiesToEditor(int element)
7287 {
7288   if (IS_CUSTOM_ELEMENT(element))
7289     CopyCustomElementPropertiesToEditor(element);
7290   else if (IS_GROUP_ELEMENT(element))
7291     CopyGroupElementPropertiesToEditor(element);
7292   else
7293     CopyClassicElementPropertiesToEditor(element);
7294 }
7295
7296 static void CopyCustomElementPropertiesToGame(int element)
7297 {
7298   int i;
7299   int access_type_and_layer;
7300
7301   /* mark that this custom element has been modified */
7302   custom_element.modified_settings = TRUE;
7303   level.changed = TRUE;
7304
7305   if (level.use_custom_template)
7306   {
7307     if (Request("Copy and modify level template?", REQ_ASK))
7308     {
7309       level.use_custom_template = FALSE;
7310       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7311                    GDI_CHECKED, FALSE, GDI_END);
7312     }
7313     else
7314     {
7315       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7316
7317       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7318     }
7319   }
7320
7321   element_info[element] = custom_element;
7322   *element_info[element].change = custom_element_change;
7323
7324   /* ---------- element settings: configure (custom elements) ------------- */
7325
7326   /* set accessible property from checkbox and selectbox */
7327   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7328   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7329   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7330   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7331   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7332   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7333   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7334                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7335                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7336   custom_element_properties[access_type_and_layer] =
7337     custom_element_properties[EP_ACCESSIBLE];
7338   custom_element_properties[EP_PROTECTED] =
7339     (custom_element.access_protected != 0 &&
7340      custom_element_properties[EP_ACCESSIBLE]);
7341
7342   /* set walk-to-object property from checkbox and selectbox */
7343   custom_element_properties[EP_DIGGABLE] = FALSE;
7344   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7345   custom_element_properties[EP_DROPPABLE] = FALSE;
7346   custom_element_properties[EP_THROWABLE] = FALSE;
7347   custom_element_properties[EP_PUSHABLE] = FALSE;
7348   custom_element_properties[custom_element.walk_to_action] =
7349     custom_element_properties[EP_WALK_TO_OBJECT];
7350
7351   /* set smash property from checkbox and selectbox */
7352   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7353   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7354   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7355   custom_element_properties[custom_element.smash_targets] =
7356     custom_element_properties[EP_CAN_SMASH];
7357
7358   /* set deadliness property from checkbox and selectbox */
7359   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7360   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7361   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7362   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7363   custom_element_properties[custom_element.deadliness] =
7364     custom_element_properties[EP_DEADLY];
7365
7366   /* ---------- element settings: advanced (custom elements) --------------- */
7367
7368   /* set player change event from checkbox and selectbox */
7369   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7370   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7371   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7372   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7373   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7374   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7375   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7376   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7377   custom_element_change_events[CE_SWITCHED] = FALSE;
7378   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7379   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7380   custom_element_change_events[CE_BLOCKED] = FALSE;
7381   custom_element_change_events[CE_IMPACT] = FALSE;
7382   custom_element_change_events[CE_SMASHED] = FALSE;
7383   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7384   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7385   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7386   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7387   custom_element_change_events[custom_element_change.direct_action] =
7388     custom_element_change_events[CE_BY_DIRECT_ACTION];
7389
7390   /* set other element action change event from checkbox and selectbox */
7391   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7392   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7393   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7394   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7395   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7396   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7397   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7398   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7399   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7400   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7401   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7402   custom_element_change_events[CE_HITTING_X] = FALSE;
7403   custom_element_change_events[CE_DIGGING_X] = FALSE;
7404   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7405   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7406   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7407   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7408   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7409   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7410   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7411   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7412   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7413   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7414   custom_element_change_events[custom_element_change.other_action] =
7415     custom_element_change_events[CE_BY_OTHER_ACTION];
7416
7417   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7418     SET_PROPERTY(element, i, custom_element_properties[i]);
7419
7420   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7421     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7422
7423   /* copy change events also to special level editor variable */
7424   custom_element = element_info[element];
7425   custom_element_change = *element_info[element].change;
7426 }
7427
7428 static void CopyGroupElementPropertiesToGame(int element)
7429 {
7430   element_info[element] = custom_element;
7431   *element_info[element].group = group_element_info;
7432
7433   /* mark that this group element has been modified */
7434   element_info[element].modified_settings = TRUE;
7435   level.changed = TRUE;
7436 }
7437
7438 static void CopyClassicElementPropertiesToGame(int element)
7439 {
7440   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7441     setMoveIntoAcidProperty(&level, element,
7442                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7443
7444   if (MAYBE_DONT_COLLIDE_WITH(element))
7445     setDontCollideWithProperty(&level, element,
7446                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7447 }
7448
7449 static void CopyElementPropertiesToGame(int element)
7450 {
7451   if (IS_CUSTOM_ELEMENT(element))
7452     CopyCustomElementPropertiesToGame(element);
7453   else if (IS_GROUP_ELEMENT(element))
7454     CopyGroupElementPropertiesToGame(element);
7455   else
7456     CopyClassicElementPropertiesToGame(element);
7457 }
7458
7459 void CheckElementDescriptions()
7460 {
7461   int i;
7462
7463   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7464     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7465       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7466 }
7467
7468 static boolean playfield_area_changed = FALSE;
7469
7470 void DrawLevelEd()
7471 {
7472   StopAnimation();
7473
7474   CloseDoor(DOOR_CLOSE_ALL);
7475
7476   FadeOut(REDRAW_FIELD);
7477
7478   /* needed after playing if editor playfield area has different size */
7479   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7480
7481   /* needed if different viewport properties defined for editor */
7482   ChangeViewportPropertiesIfNeeded();
7483
7484   playfield_area_changed = DrawingAreaChanged();
7485
7486   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7487
7488 #if DEBUG
7489   CheckElementDescriptions();
7490 #endif
7491
7492   if (level_editor_test_game)
7493   {
7494     CopyPlayfield(level.field, Feld);
7495     CopyPlayfield(FieldBackup, level.field);
7496
7497     level_editor_test_game = FALSE;
7498   }
7499   else
7500   {
7501     edit_mode = ED_MODE_DRAWING;
7502     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7503     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7504
7505     ResetUndoBuffer();
7506
7507     level_xpos = -1;
7508     level_ypos = -1;
7509   }
7510
7511   /* needed for gadgets drawn on background (like palette scrollbar) */
7512   SetDoorBackgroundImage(IMG_UNDEFINED);
7513
7514   /* copy default editor door content to main double buffer */
7515   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7516              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7517              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7518              DXSIZE, DYSIZE, DX, DY);
7519
7520   /* draw bigger door */
7521   DrawSpecialEditorDoor();
7522
7523   /* draw new control window */
7524   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7525              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7526
7527   // redraw_mask |= REDRAW_ALL;
7528
7529   FreeLevelEditorGadgets();
7530   CreateLevelEditorGadgets();
7531
7532   ReinitializeElementList();            /* update dynamic level element list */
7533   ReinitializeElementListButtons();     /* custom element may look different */
7534
7535   InitElementPropertiesGfxElement();
7536
7537   UnmapAllGadgets();
7538   MapControlButtons();
7539
7540   DrawEditModeWindow();
7541
7542   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7543
7544   /* copy actual editor door content to door double buffer for OpenDoor() */
7545   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7546 }
7547
7548 static void AdjustDrawingAreaGadgets()
7549 {
7550   int ed_xsize = lev_fieldx + 2;
7551   int ed_ysize = lev_fieldy + 2;
7552   int max_ed_fieldx = MAX_ED_FIELDX;
7553   int max_ed_fieldy = MAX_ED_FIELDY;
7554   boolean horizontal_scrollbar_needed;
7555   boolean vertical_scrollbar_needed;
7556   int x, y, width, height;
7557   int xoffset, yoffset;
7558
7559   /* check if we need any scrollbars */
7560   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7561   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7562
7563   /* check if we have a smaller editor field because of scrollbars */
7564   if (horizontal_scrollbar_needed)
7565     max_ed_fieldy = MAX_ED_FIELDY - 1;
7566   if (vertical_scrollbar_needed)
7567     max_ed_fieldx = MAX_ED_FIELDX - 1;
7568
7569   /* check again if we now need more scrollbars because of less space */
7570   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7571   vertical_scrollbar_needed = (ed_ysize > max_ed_fieldy);
7572
7573   /* check if editor field gets even smaller after adding new scrollbars */
7574   if (horizontal_scrollbar_needed)
7575     max_ed_fieldy = MAX_ED_FIELDY - 1;
7576   if (vertical_scrollbar_needed)
7577     max_ed_fieldx = MAX_ED_FIELDX - 1;
7578
7579   ed_fieldx = (ed_xsize < MAX_ED_FIELDX ? ed_xsize : max_ed_fieldx);
7580   ed_fieldy = (ed_ysize < MAX_ED_FIELDY ? ed_ysize : max_ed_fieldy);
7581
7582   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7583                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7584                GDI_END);
7585
7586   xoffset = (ed_fieldx == MAX_ED_FIELDX ? ED_SCROLLBUTTON_XSIZE : 0);
7587   yoffset = (ed_fieldy == MAX_ED_FIELDY ? ED_SCROLLBUTTON_YSIZE : 0);
7588
7589   x = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x + xoffset;
7590   y = SX + scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y + yoffset;
7591
7592   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT], GDI_X, x, GDI_END);
7593   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN], GDI_Y, y, GDI_END);
7594
7595   width  = scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width + xoffset;
7596   height = scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height + yoffset;
7597
7598   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7599                GDI_WIDTH, width,
7600                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7601                GDI_END);
7602   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7603                GDI_HEIGHT, height,
7604                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7605                GDI_END);
7606 }
7607
7608 static void AdjustLevelScrollPosition()
7609 {
7610   if (level_xpos < -1)
7611     level_xpos = -1;
7612   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7613     level_xpos = lev_fieldx - ed_fieldx + 1;
7614   if (lev_fieldx < ed_fieldx - 2)
7615     level_xpos = -1;
7616
7617   if (level_ypos < -1)
7618     level_ypos = -1;
7619   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7620     level_ypos = lev_fieldy - ed_fieldy + 1;
7621   if (lev_fieldy < ed_fieldy - 2)
7622     level_ypos = -1;
7623 }
7624
7625 static void AdjustEditorScrollbar(int id)
7626 {
7627   struct GadgetInfo *gi = level_editor_gadget[id];
7628   int items_max, items_visible, item_position;
7629
7630   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7631   {
7632     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7633     items_visible = ed_fieldx;
7634     item_position = level_xpos + 1;
7635   }
7636   else
7637   {
7638     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7639     items_visible = ed_fieldy;
7640     item_position = level_ypos + 1;
7641   }
7642
7643   if (item_position > items_max - items_visible)
7644     item_position = items_max - items_visible;
7645
7646   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7647                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7648 }
7649
7650 static void AdjustElementListScrollbar()
7651 {
7652   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7653   int items_max, items_visible, item_position;
7654
7655   /* correct position of element list scrollbar */
7656   if (element_shift < 0)
7657     element_shift = 0;
7658   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7659     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7660
7661   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7662   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7663   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7664
7665   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7666                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7667                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7668 }
7669
7670 static void ModifyEditorCounterValue(int counter_id, int new_value)
7671 {
7672   int *counter_value = counterbutton_info[counter_id].value;
7673   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7674   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7675
7676   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7677
7678   if (counter_value != NULL)
7679     *counter_value = gi->textinput.number_value;
7680 }
7681
7682 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7683 {
7684   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7685   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7686
7687   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7688
7689   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7690       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7691   {
7692     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7693     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7694
7695     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7696     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7697   }
7698 }
7699
7700 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7701 {
7702   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7703   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7704   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7705
7706   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7707 }
7708
7709 static void ModifyEditorSelectboxOptions(int selectbox_id,
7710                                          struct ValueTextInfo *options)
7711 {
7712   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7713   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7714
7715   selectbox_info[selectbox_id].options = options;
7716
7717   /* set index to zero -- list may be shorter now (correct later, if needed) */
7718   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7719                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7720 }
7721
7722 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7723 {
7724   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7725   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7726
7727   drawingarea_info[drawingarea_id].area_xsize = xsize;
7728   drawingarea_info[drawingarea_id].area_ysize = ysize;
7729
7730   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7731 }
7732
7733 static void ModifyEditorElementList()
7734 {
7735   int i;
7736
7737   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7738   {
7739     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7740     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7741     struct GadgetDesign *gd = &gi->deco.design;
7742     int element = editor_elements[element_shift + i];
7743
7744     UnmapGadget(gi);
7745
7746     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7747
7748     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7749
7750     MapGadget(gi);
7751   }
7752 }
7753
7754 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7755 {
7756   int graphic = el2edimg(element);
7757   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7758
7759   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7760 }
7761
7762 static void PickDrawingElement(int button, int element)
7763 {
7764   struct
7765   {
7766     int *new_element;
7767     struct EditorPaletteElementInfo *e;
7768   } de, drawing_elements[] =
7769   {
7770     { &new_element1,    &editor.palette.element_left    },
7771     { &new_element2,    &editor.palette.element_middle  },
7772     { &new_element3,    &editor.palette.element_right   },
7773   };
7774
7775   if (button < 1 || button > 3)
7776     return;
7777
7778   de = drawing_elements[button - 1];
7779
7780   DrawDrawingElement((*de.new_element = element), de.e);
7781
7782   redraw_mask |= REDRAW_DOOR_1;
7783 }
7784
7785 static void RedrawDrawingElements()
7786 {
7787   PickDrawingElement(1, new_element1);
7788   PickDrawingElement(2, new_element2);
7789   PickDrawingElement(3, new_element3);
7790 }
7791
7792 static void DrawDrawingWindow()
7793 {
7794   stick_element_properties_window = FALSE;
7795
7796   SetMainBackgroundImage(IMG_UNDEFINED);
7797   ClearField();
7798
7799   UnmapLevelEditorFieldGadgets();
7800   UnmapLevelEditorToolboxCustomGadgets();
7801
7802   AdjustDrawingAreaGadgets();
7803   AdjustLevelScrollPosition();
7804   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7805   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7806
7807   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7808
7809   MapMainDrawingArea();
7810   MapLevelEditorToolboxDrawingGadgets();
7811 }
7812
7813 static int getTabulatorBarWidth()
7814 {
7815   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7816   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7817
7818   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7819 }
7820
7821 static void DrawLevelInfoTabulatorGadgets()
7822 {
7823   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7824   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7825   int gd_x = gd->x + gd_gi1->border.width / 2;
7826   int gd_y = gd->y + gd_gi1->height - 1;
7827   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7828   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7829   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7830   int i;
7831
7832   for (i = id_first; i <= id_last; i++)
7833   {
7834     int gadget_id = textbutton_info[i].gadget_id;
7835     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7836     boolean active = (i != edit_mode_levelinfo);
7837
7838     /* draw background line below tabulator button */
7839     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7840
7841     /* draw solid line below inactive tabulator buttons */
7842     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7843       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7844
7845     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7846     MapTextbuttonGadget(i);
7847   }
7848
7849   /* draw little border line below tabulator buttons */
7850   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7851     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7852                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7853                   tab_color);
7854 }
7855
7856 static void DrawPropertiesTabulatorGadgets()
7857 {
7858   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7859   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7860   int gd_x = gd->x + gd_gi1->border.width / 2;
7861   int gd_y = gd->y + gd_gi1->height - 1;
7862   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7863   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7864   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7865   int i;
7866
7867   /* draw two config tabulators for player elements */
7868   if (ELEM_IS_PLAYER(properties_element))
7869     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7870
7871   /* draw two config and one "change" tabulator for custom elements */
7872   if (IS_CUSTOM_ELEMENT(properties_element))
7873     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7874
7875   for (i = id_first; i <= id_last; i++)
7876   {
7877     int gadget_id = textbutton_info[i].gadget_id;
7878     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7879     boolean active = (i != edit_mode_properties);
7880
7881     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7882     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7883         (ELEM_IS_PLAYER(properties_element) ||
7884          IS_CUSTOM_ELEMENT(properties_element)))
7885       continue;
7886
7887     /* draw background line below tabulator button */
7888     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7889
7890     /* draw solid line below inactive tabulator buttons */
7891     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7892       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7893
7894     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7895     MapTextbuttonGadget(i);
7896   }
7897
7898   /* draw little border line below tabulator buttons */
7899   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7900     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7901                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7902                   tab_color);
7903 }
7904
7905 static void DrawLevelInfoLevel()
7906 {
7907   int i;
7908
7909   /* draw counter gadgets */
7910   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7911     MapCounterButtons(i);
7912
7913   /* draw selectbox gadgets */
7914   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7915     MapSelectboxGadget(i);
7916
7917   /* draw text input gadgets */
7918   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7919     MapTextInputGadget(i);
7920 }
7921
7922 static void DrawLevelInfoEditor()
7923 {
7924   int i;
7925
7926   /* draw counter gadgets */
7927   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7928     MapCounterButtons(i);
7929
7930   /* draw checkbutton gadgets */
7931   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7932     MapCheckbuttonGadget(i);
7933
7934   /* draw radiobutton gadgets */
7935   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7936     MapRadiobuttonGadget(i);
7937
7938   /* draw drawing area */
7939   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7940 }
7941
7942 static void DrawLevelInfoWindow()
7943 {
7944   stick_element_properties_window = FALSE;
7945
7946   UnmapLevelEditorFieldGadgets();
7947
7948   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
7949   ClearField();
7950
7951   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
7952
7953   DrawLevelInfoTabulatorGadgets();
7954
7955   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
7956     DrawLevelInfoLevel();
7957   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
7958     DrawLevelInfoEditor();
7959 }
7960
7961 static void DrawCustomContentArea()
7962 {
7963   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
7964   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7965   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
7966   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
7967   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
7968   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7969
7970   /* add distance for potential left text (without drawing area border) */
7971   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
7972
7973   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7974
7975   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
7976 }
7977
7978 static void DrawCustomChangeContentArea()
7979 {
7980   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
7981   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7982   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
7983   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
7984   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
7985   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
7986
7987   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
7988
7989   MapDrawingArea(id);
7990 }
7991
7992 static void DrawYamYamContentAreas()
7993 {
7994   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
7995   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
7996   int i;
7997
7998   /* display counter to choose number of element content areas */
7999   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8000
8001   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8002   {
8003     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8004
8005     if (i < level.num_yamyam_contents)
8006     {
8007       MapDrawingArea(id);
8008     }
8009     else
8010     {
8011       int font_height = getFontHeight(FONT_TEXT_1);
8012
8013       UnmapDrawingArea(id);
8014
8015       /* delete content areas in case of reducing number of them */
8016       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8017                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8018                      4 * MINI_TILEX,
8019                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8020     }
8021   }
8022
8023   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
8024   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
8025   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
8026 }
8027
8028 static void DrawMagicBallContentAreas()
8029 {
8030   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8031   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8032   int i;
8033
8034   /* display counter to choose number of element content areas */
8035   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8036
8037   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8038   {
8039     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8040
8041     if (i < level.num_ball_contents)
8042     {
8043       MapDrawingArea(id);
8044     }
8045     else
8046     {
8047       int font_height = getFontHeight(FONT_TEXT_1);
8048
8049       UnmapDrawingArea(id);
8050
8051       /* delete content areas in case of reducing number of them */
8052       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8053                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8054                      4 * MINI_TILEX,
8055                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8056     }
8057   }
8058
8059   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
8060   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
8061   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
8062 }
8063
8064 static void DrawAndroidElementArea(int element)
8065 {
8066   int num_elements = level.num_android_clone_elements;
8067   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8068   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8069   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8070   int xsize = MAX_ANDROID_ELEMENTS;
8071   int ysize = 1;
8072
8073   /* display counter to choose number of element areas */
8074   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8075
8076   if (drawingarea_info[id].text_left != NULL)
8077     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8078
8079   UnmapDrawingArea(id);
8080
8081   ModifyEditorDrawingArea(id, num_elements, 1);
8082
8083   /* delete content areas in case of reducing number of them */
8084   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8085
8086   MapDrawingArea(id);
8087 }
8088
8089 static void DrawGroupElementArea(int element)
8090 {
8091   int num_elements = group_element_info.num_elements;
8092   int id = ED_DRAWING_ID_GROUP_CONTENT;
8093   int bx = ED_ELEMENT_BORDER_INPUT;
8094   int by = ED_ELEMENT_BORDER_INPUT;
8095   int sx = SX + drawingarea_info[id].x - bx;
8096   int sy = SY + drawingarea_info[id].y - by;
8097   int xsize = MAX_ELEMENTS_IN_GROUP;
8098   int ysize = 1;
8099
8100   if (drawingarea_info[id].text_left != NULL)
8101     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8102
8103   UnmapDrawingArea(id);
8104
8105   ModifyEditorDrawingArea(id, num_elements, 1);
8106
8107   /* delete content areas in case of reducing number of them */
8108   DrawBackground(sx, sy, xsize * MINI_TILEX + 2*bx, ysize * MINI_TILEY + 2*by);
8109
8110   MapDrawingArea(id);
8111 }
8112
8113 static void DrawPlayerInitialInventoryArea(int element)
8114 {
8115   int player_nr = GET_PLAYER_NR(element);
8116   int num_elements = level.initial_inventory_size[player_nr];
8117   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8118   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8119   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8120   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8121   int ysize = 1;
8122
8123   /* determine horizontal position to the right of specified gadget */
8124   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8125     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8126            ED_DRAWINGAREA_TEXT_DISTANCE);
8127
8128   /* determine horizontal offset for leading text */
8129   if (drawingarea_info[id].text_left != NULL)
8130     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8131
8132   UnmapDrawingArea(id);
8133
8134   ModifyEditorDrawingArea(id, num_elements, 1);
8135
8136   /* delete content areas in case of reducing number of them */
8137   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8138
8139   MapDrawingArea(id);
8140 }
8141
8142 static void DrawEnvelopeTextArea(int envelope_nr)
8143 {
8144   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8145   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8146
8147   UnmapGadget(gi);
8148   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8149
8150   if (envelope_nr != -1)
8151     textarea_info[id].value = level.envelope[envelope_nr].text;
8152
8153   ModifyGadget(gi, GDI_AREA_SIZE,
8154                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8155                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8156                GDI_END);
8157
8158   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8159 }
8160
8161 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8162 {
8163   int font_height = getFontHeight(font_nr);
8164   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8165   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8166   int sx = SX + pad_x;
8167   int sy = SY + pad_y;
8168   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8169
8170   if (start_line >= max_lines_per_screen)
8171     return FALSE;
8172
8173   DrawText(sx, sy + start_line * font_height, text, font_nr);
8174
8175   return TRUE;
8176 }
8177
8178 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8179 {
8180   int font_nr = FONT_TEXT_2;
8181   int font_width = getFontWidth(font_nr);
8182   int font_height = getFontHeight(font_nr);
8183   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8184   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8185   int sx = SX + pad_x;
8186   int sy = SY + pad_y + start_line * font_height;
8187   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8188   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8189   int max_lines_drawable = max_lines_per_screen - start_line;
8190
8191   if (start_line >= max_lines_per_screen)
8192     return FALSE;
8193
8194   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8195                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8196 }
8197
8198 static void DrawPropertiesInfo()
8199 {
8200   static struct
8201   {
8202     int value;
8203     char *text;
8204   }
8205   properties[] =
8206   {
8207     /* configurable properties */
8208
8209     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8210     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8211     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8212     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8213     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8214     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8215     { EP_PROTECTED,             "- player is protected by it"           },
8216
8217     { EP_DIGGABLE,              "- can be digged away"                  },
8218     { EP_COLLECTIBLE,           "- can be collected"                    },
8219     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8220     { EP_THROWABLE,             "- can be thrown after collecting"      },
8221     { EP_PUSHABLE,              "- can be pushed"                       },
8222
8223     { EP_CAN_FALL,              "- can fall"                            },
8224     { EP_CAN_MOVE,              "- can move"                            },
8225
8226     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8227 #if 0
8228     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8229 #endif
8230     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8231
8232     { EP_SLIPPERY,              "- slippery for falling elements"       },
8233     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8234
8235     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8236     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8237     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8238     { EP_DONT_TOUCH,            "- deadly when touching"                },
8239
8240     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8241
8242     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8243     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8244     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8245
8246     { EP_CAN_CHANGE,            "- can change to other element"         },
8247
8248     /* pre-defined properties */
8249     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8250     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8251     { EP_SWITCHABLE,            "- can be switched"                     },
8252 #if 0
8253     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8254 #endif
8255
8256     { -1,                       NULL                                    }
8257   };
8258   char *filename = getElementDescriptionFilename(properties_element);
8259   char *percentage_text = "In this level: ";
8260   char *properties_text = "Standard properties: ";
8261   float percentage;
8262   int num_elements_in_level;
8263   int num_standard_properties = 0;
8264   int font1_nr = FONT_TEXT_1;
8265   int font2_nr = FONT_TEXT_2;
8266   int font1_width = getFontWidth(font1_nr);
8267   int font2_height = getFontHeight(font2_nr);
8268   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8269   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8270   int screen_line = 0;
8271   int i, x, y;
8272
8273   if (setup.editor.show_element_token)
8274   {
8275     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8276               "[%s]", element_info[properties_element].token_name);
8277     screen_line++;
8278   }
8279
8280   /* ----- print number of elements / percentage of this element in level */
8281
8282   num_elements_in_level = 0;
8283   for (y = 0; y < lev_fieldy; y++)
8284     for (x = 0; x < lev_fieldx; x++)
8285       if (Feld[x][y] == properties_element)
8286         num_elements_in_level++;
8287   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8288
8289   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8290             percentage_text);
8291   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8292             pad_y + screen_line++ * font2_height, font2_nr,
8293             "%d (%.2f%%)", num_elements_in_level, percentage);
8294
8295   screen_line++;
8296
8297   /* ----- print standard properties of this element */
8298
8299   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8300             properties_text);
8301
8302   for (i = 0; properties[i].value != -1; i++)
8303   {
8304     if (!HAS_PROPERTY(properties_element, properties[i].value))
8305       continue;
8306
8307     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8308               properties[i].text);
8309     num_standard_properties++;
8310   }
8311
8312   if (num_standard_properties == 0)
8313     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8314               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8315
8316   screen_line++;
8317
8318   /* ----- print special description of this element */
8319
8320   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8321   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8322     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8323 }
8324
8325 #define TEXT_COLLECTING         "Score for collecting"
8326 #define TEXT_SMASHING           "Score for smashing"
8327 #define TEXT_SLURPING           "Score for slurping robot"
8328 #define TEXT_CRACKING           "Score for cracking"
8329 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8330 #define TEXT_DURATION           "Duration when activated"
8331 #define TEXT_BALL_DELAY         "Element generation delay"
8332 #define TEXT_MOVE_SPEED         "Speed of android moving"
8333 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8334 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8335 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8336 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8337 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8338 #define TEXT_TIME_BONUS         "Extra time to solve level"
8339
8340 static struct
8341 {
8342   int element;
8343   int *value;
8344   char *text;
8345 } elements_with_counter[] =
8346 {
8347   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8348   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8349   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8350   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8351   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8352   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8353   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8354   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8355   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8356   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8357   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8358   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8359   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8360   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8361   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8362   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8363   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8364   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8365   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8366   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8367   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8368   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8369   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8370   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8371   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8372   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8373   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8374   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8375   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8376   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8377   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8378   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8379   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8380   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8381   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8382   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8383   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8384   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8385   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8386   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8387   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8388   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8389   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8390   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8391   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8392   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8393   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8394   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8395   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8396   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8397   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8398   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8399   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8400   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8401   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8402   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8403   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8404   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8405   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8406   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8407   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8408   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8409   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8410   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8411   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8412   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8413   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8414   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8415   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8416   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8417   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8418   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8419   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8420   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8421
8422   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8423   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8424   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8425   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8426   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8427   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8428   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8429   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8430   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8431   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8432   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8433   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8434   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8435   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8436   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8437   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8438
8439   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8440   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8441   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8442   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8443   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8444   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8445   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8446   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8447
8448   { -1,                 NULL,                           NULL            }
8449 };
8450
8451 static boolean checkPropertiesConfig(int element)
8452 {
8453   int i;
8454
8455   if (IS_GEM(element) ||
8456       IS_CUSTOM_ELEMENT(element) ||
8457       IS_GROUP_ELEMENT(element) ||
8458       IS_ENVELOPE(element) ||
8459       ELEM_IS_PLAYER(element) ||
8460       HAS_EDITOR_CONTENT(element) ||
8461       CAN_GROW(element) ||
8462       COULD_MOVE_INTO_ACID(element) ||
8463       MAYBE_DONT_COLLIDE_WITH(element) ||
8464       element == EL_SOKOBAN_OBJECT ||
8465       element == EL_SOKOBAN_FIELD_EMPTY ||
8466       element == EL_SOKOBAN_FIELD_FULL)
8467     return TRUE;
8468   else
8469     for (i = 0; elements_with_counter[i].element != -1; i++)
8470       if (elements_with_counter[i].element == element)
8471         return TRUE;
8472
8473   return FALSE;
8474 }
8475
8476 static void DrawPropertiesConfig()
8477 {
8478   boolean draw_footer_line = FALSE;
8479   int max_num_element_counters = 4;
8480   int num_element_counters = 0;
8481   int i;
8482
8483   if (!checkPropertiesConfig(properties_element))
8484   {
8485     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8486
8487     return;
8488   }
8489
8490   /* check if there are elements where a value can be chosen for */
8491   for (i = 0; elements_with_counter[i].element != -1; i++)
8492   {
8493     if (elements_with_counter[i].element == properties_element)
8494     {
8495       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8496
8497       counterbutton_info[counter_id].y =
8498         ED_ELEMENT_SETTINGS_YPOS(
8499                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8500                 (CAN_GROW(properties_element)                ? 1 : 0) +
8501                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8502                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8503                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8504                 num_element_counters);
8505
8506       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8507       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8508
8509       if (properties_element == EL_GAME_OF_LIFE ||
8510           properties_element == EL_BIOMAZE)
8511       {
8512         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8513         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8514       }
8515       else
8516       {
8517         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8518         counterbutton_info[counter_id].min_value = MIN_SCORE;
8519         counterbutton_info[counter_id].max_value = MAX_SCORE;
8520       }
8521
8522       MapCounterButtons(counter_id);
8523
8524       num_element_counters++;
8525       if (num_element_counters >= max_num_element_counters)
8526         break;
8527     }
8528   }
8529
8530   if (HAS_EDITOR_CONTENT(properties_element))
8531   {
8532     /* draw stickybutton gadget */
8533     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8534
8535     if (IS_AMOEBOID(properties_element))
8536       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8537     else if (properties_element == EL_YAMYAM ||
8538              properties_element == EL_YAMYAM_LEFT ||
8539              properties_element == EL_YAMYAM_RIGHT ||
8540              properties_element == EL_YAMYAM_UP ||
8541              properties_element == EL_YAMYAM_DOWN)
8542       DrawYamYamContentAreas();
8543     else if (properties_element == EL_EMC_MAGIC_BALL)
8544     {
8545       DrawMagicBallContentAreas();
8546
8547       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8548       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8549     }
8550     else if (properties_element == EL_EMC_ANDROID)
8551       DrawAndroidElementArea(properties_element);
8552   }
8553
8554   if (ELEM_IS_PLAYER(properties_element))
8555   {
8556     int player_nr = GET_PLAYER_NR(properties_element);
8557
8558     /* these properties can be set for every player individually */
8559
8560     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8561     {
8562       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8563         &level.start_element[player_nr];
8564       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8565         &level.artwork_element[player_nr];
8566       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8567         &level.explosion_element[player_nr];
8568
8569       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8570         &level.use_start_element[player_nr];
8571       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8572         &level.use_artwork_element[player_nr];
8573       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8574         &level.use_explosion_element[player_nr];
8575       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8576         &level.initial_player_gravity[player_nr];
8577
8578       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8579         &level.initial_player_stepsize[player_nr];
8580
8581       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8582       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8583                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8584                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8585       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8586       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8587       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8588       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8589       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8590       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8591       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8592       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8593       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8594
8595       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8596       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8597       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8598
8599       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8600     }
8601     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8602     {
8603       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8604         &level.initial_inventory_content[player_nr][0];
8605
8606       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8607         &level.initial_inventory_size[player_nr];
8608
8609       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8610         &level.use_initial_inventory[player_nr];
8611
8612       /* draw checkbutton gadgets */
8613       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8614
8615       /* draw counter gadgets */
8616       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8617
8618       /* draw drawing area gadgets */
8619       DrawPlayerInitialInventoryArea(properties_element);
8620     }
8621   }
8622
8623   if (IS_GEM(properties_element))
8624     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8625
8626   if (properties_element == EL_EM_DYNAMITE)
8627     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8628
8629   if (COULD_MOVE_INTO_ACID(properties_element) &&
8630       !ELEM_IS_PLAYER(properties_element) &&
8631       (!IS_CUSTOM_ELEMENT(properties_element) ||
8632        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8633   {
8634     /* set position for checkbutton for "can move into acid" */
8635     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8636       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8637     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8638       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8639                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8640
8641     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8642   }
8643
8644   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8645     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8646
8647   if (properties_element == EL_SPRING)
8648     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8649
8650   if (properties_element == EL_TIME_ORB_FULL)
8651     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8652
8653   if (CAN_GROW(properties_element))
8654   {
8655     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8656       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8657
8658     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8659   }
8660
8661   if (properties_element == EL_SOKOBAN_OBJECT ||
8662       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8663       properties_element == EL_SOKOBAN_FIELD_FULL)
8664     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8665
8666   if (IS_ENVELOPE(properties_element))
8667   {
8668     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8669     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8670     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8671     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8672     int envelope_nr = properties_element - EL_ENVELOPE_1;
8673
8674     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8675     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8676
8677     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8678     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8679
8680     /* display counter to choose size of envelope text area */
8681     MapCounterButtons(counter1_id);
8682     MapCounterButtons(counter2_id);
8683
8684     /* display checkbuttons to choose auto-wrap and alignment properties */
8685     MapCheckbuttonGadget(button1_id);
8686     MapCheckbuttonGadget(button2_id);
8687
8688     DrawEnvelopeTextArea(envelope_nr);
8689   }
8690
8691   if (IS_CUSTOM_ELEMENT(properties_element))
8692   {
8693     /* draw stickybutton gadget */
8694     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8695
8696     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8697     {
8698       /* draw checkbutton gadgets */
8699       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8700            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8701         MapCheckbuttonGadget(i);
8702
8703       /* draw counter gadgets */
8704       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8705            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8706         MapCounterButtons(i);
8707
8708       /* draw selectbox gadgets */
8709       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8710            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8711         MapSelectboxGadget(i);
8712
8713       /* draw textbutton gadgets */
8714       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8715
8716       /* draw text input gadgets */
8717       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8718
8719       /* draw drawing area gadgets */
8720       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8721
8722       draw_footer_line = TRUE;
8723     }
8724     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8725     {
8726       /* draw checkbutton gadgets */
8727       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8728            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8729         MapCheckbuttonGadget(i);
8730
8731       /* draw counter gadgets */
8732       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8733            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8734         MapCounterButtons(i);
8735
8736       /* draw selectbox gadgets */
8737       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8738            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8739         MapSelectboxGadget(i);
8740
8741       /* draw drawing area gadgets */
8742       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8743       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8744       DrawCustomContentArea();
8745     }
8746   }
8747   else if (IS_GROUP_ELEMENT(properties_element))
8748   {
8749     /* draw stickybutton gadget */
8750     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8751
8752     /* draw checkbutton gadgets */
8753     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8754     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8755
8756     /* draw counter gadgets */
8757     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8758
8759     /* draw selectbox gadgets */
8760     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8761
8762     /* draw textbutton gadgets */
8763     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8764
8765     /* draw drawing area gadgets */
8766     DrawGroupElementArea(properties_element);
8767
8768     /* draw text input gadgets */
8769     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8770
8771     /* draw drawing area gadgets */
8772     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8773
8774     draw_footer_line = TRUE;
8775   }
8776
8777   /* draw little footer border line above CE/GE use/save template gadgets */
8778   if (draw_footer_line)
8779   {
8780     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8781     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8782     int gd_x = gd->x + gd_gi1->border.width / 2;
8783     int gd_y = gd->y + gd_gi1->height - 1;
8784     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8785
8786     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8787       FillRectangle(drawto,
8788                     SX + ED_ELEMENT_SETTINGS_XPOS(0),
8789                     SY + ED_ELEMENT_SETTINGS_YPOS(14) - MINI_TILEY / 2,
8790                     getTabulatorBarWidth(), ED_GADGET_DISTANCE,
8791                     tab_color);
8792   }
8793 }
8794
8795 static void DrawPropertiesChangeDrawingAreas()
8796 {
8797   if (IS_CUSTOM_ELEMENT(properties_element))
8798   {
8799     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8800     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8801     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8802
8803     DrawCustomChangeContentArea();
8804   }
8805
8806   redraw_mask |= REDRAW_FIELD;
8807 }
8808
8809 static void DrawPropertiesChange()
8810 {
8811   int i;
8812
8813   /* needed to initially set selectbox options for special action options */
8814   setSelectboxSpecialActionOptions();
8815
8816   /* draw stickybutton gadget */
8817   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8818
8819   /* draw checkbutton gadgets */
8820   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8821        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8822     MapCheckbuttonGadget(i);
8823
8824   /* draw counter gadgets */
8825   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8826        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8827     MapCounterButtons(i);
8828
8829   /* draw selectbox gadgets */
8830   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8831        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8832     MapSelectboxGadget(i);
8833
8834   /* draw textbutton gadgets */
8835   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8836        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8837     MapTextbuttonGadget(i);
8838
8839   /* draw graphicbutton gadgets */
8840   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8841        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8842     MapGraphicbuttonGadget(i);
8843
8844   /* draw drawing area gadgets */
8845   DrawPropertiesChangeDrawingAreas();
8846 }
8847
8848 static void DrawEditorElementAnimation(int x, int y)
8849 {
8850   int graphic = el2img(properties_element);
8851   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8852                custom_element.ce_value_fixed_initial :
8853                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8854                custom_element.collect_score_initial : FrameCounter);
8855
8856   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8857 }
8858
8859 static void DrawEditorElementName(int x, int y, int element)
8860 {
8861   char *element_name = getElementInfoText(element);
8862   int font_nr = FONT_TEXT_1;
8863   int font_width = getFontWidth(font_nr);
8864   int font_height = getFontHeight(font_nr);
8865   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8866   int max_chars_per_line = max_text_width / font_width;
8867   char buffer[max_chars_per_line + 1];
8868
8869   if (strlen(element_name) <= max_chars_per_line)
8870     DrawTextS(x, y, font_nr, element_name);
8871   else
8872   {
8873     int next_pos = max_chars_per_line;
8874
8875     strncpy(buffer, element_name, max_chars_per_line);
8876     buffer[max_chars_per_line] = '\0';
8877
8878     if (element_name[max_chars_per_line] == ' ')
8879       next_pos++;
8880     else
8881     {
8882       int i;
8883
8884       for (i = max_chars_per_line - 1; i >= 0; i--)
8885         if (buffer[i] == ' ')
8886           break;
8887
8888       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8889       {
8890         buffer[i] = '\0';
8891         next_pos = i + 1;
8892       }
8893     }
8894
8895     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8896
8897     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8898     buffer[max_chars_per_line] = '\0';
8899
8900     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8901   }
8902 }
8903
8904 static void DrawPropertiesWindow()
8905 {
8906   int xstart = 2;
8907   int ystart = 4;
8908
8909   stick_element_properties_window = FALSE;
8910
8911   /* make sure that previous properties edit mode exists for this element */
8912   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8913       !IS_CUSTOM_ELEMENT(properties_element))
8914     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8915
8916   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8917       !ELEM_IS_PLAYER(properties_element) &&
8918       !IS_CUSTOM_ELEMENT(properties_element))
8919     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8920
8921   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8922       (ELEM_IS_PLAYER(properties_element) ||
8923        IS_CUSTOM_ELEMENT(properties_element)))
8924     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8925
8926   CopyElementPropertiesToEditor(properties_element);
8927
8928   UnmapLevelEditorFieldGadgets();
8929   UnmapLevelEditorToolboxDrawingGadgets();
8930   UnmapLevelEditorToolboxCustomGadgets();
8931
8932   if (IS_CUSTOM_ELEMENT(properties_element) ||
8933       IS_GROUP_ELEMENT(properties_element))
8934     MapLevelEditorToolboxCustomGadgets();
8935
8936   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8937   ClearField();
8938
8939   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8940
8941   FrameCounter = 0;     /* restart animation frame counter */
8942
8943   DrawElementBorder(SX + xstart * MINI_TILEX,
8944                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
8945                     TILEX, TILEY, FALSE);
8946
8947   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
8948                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
8949
8950   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
8951                         (ystart + 1) * MINI_TILEY + 1,
8952                         properties_element);
8953
8954   DrawPropertiesTabulatorGadgets();
8955
8956   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
8957     DrawPropertiesInfo();
8958   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
8959     DrawPropertiesChange();
8960   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
8961     DrawPropertiesConfig();
8962 }
8963
8964 static void UpdateCustomElementGraphicGadgets()
8965 {
8966   struct ElementInfo *ei = &element_info[properties_element];
8967   int i;
8968
8969   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
8970                      properties_element);
8971
8972   ModifyEditorElementList();
8973   RedrawDrawingElements();
8974
8975   /* force redraw of all mapped drawing area gadgets */
8976   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8977   {
8978     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
8979
8980     if (gi->mapped)
8981       MapDrawingArea(i);
8982   }
8983 }
8984
8985 static int getOpenDirectionFromTube(int element)
8986 {
8987   switch (element)
8988   {
8989     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
8990     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
8991     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
8992     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
8993     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
8994     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
8995     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
8996     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
8997     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
8998     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
8999     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9000   }
9001
9002   return MV_NONE;
9003 }
9004
9005 static int getTubeFromOpenDirection(int direction)
9006 {
9007   switch (direction)
9008   {
9009     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9010     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9011     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9012     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9013     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9014     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9015     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9016     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9017     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9018     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9019     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9020
9021     /* if only one direction, fall back to simple tube with that direction */
9022     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9023     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9024     case (MV_UP):                       return EL_TUBE_VERTICAL;
9025     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9026   }
9027
9028   return EL_EMPTY;
9029 }
9030
9031 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9032 {
9033   int element_new = getTubeFromOpenDirection(direction);
9034
9035   return (element_new != EL_EMPTY ? element_new : element_old);
9036 }
9037
9038 static int getOpenDirectionFromBelt(int element)
9039 {
9040   int belt_dir = getBeltDirFromBeltElement(element);
9041
9042   return (belt_dir == MV_LEFT ? MV_RIGHT :
9043           belt_dir == MV_RIGHT ? MV_LEFT :
9044           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9045 }
9046
9047 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9048 {
9049   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9050                   direction == MV_RIGHT ? MV_LEFT :
9051                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9052
9053   if (direction == MV_NONE)
9054     return EL_EMPTY;
9055
9056   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9057 }
9058
9059 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9060                                                  int element_old)
9061 {
9062   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9063
9064   return (element_new != EL_EMPTY ? element_new : element_old);
9065 }
9066
9067 static int getOpenDirectionFromPool(int element)
9068 {
9069   switch (element)
9070   {
9071     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9072     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9073     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9074     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9075     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9076     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9077   }
9078
9079   return MV_NONE;
9080 }
9081
9082 static int getPoolFromOpenDirection(int direction)
9083 {
9084   switch (direction)
9085   {
9086     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9087     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9088     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9089     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9090     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9091     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9092   }
9093
9094   return EL_EMPTY;
9095 }
9096
9097 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9098 {
9099   int element = getPoolFromOpenDirection(direction);
9100   int help_direction = getOpenDirectionFromPool(help_element);
9101
9102   if (element == EL_EMPTY)
9103   {
9104     int help_direction_vertical = help_direction & MV_VERTICAL;
9105
9106     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9107   }
9108
9109   if (element == EL_EMPTY)
9110   {
9111     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9112
9113     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9114   }
9115
9116   return element;
9117 }
9118
9119 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9120 {
9121   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9122
9123   return (element_new != EL_EMPTY ? element_new : element_old);
9124 }
9125
9126 static int getOpenDirectionFromPillar(int element)
9127 {
9128   switch (element)
9129   {
9130     case EL_EMC_WALL_1:                 return (MV_DOWN);
9131     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9132     case EL_EMC_WALL_3:                 return (MV_UP);
9133   }
9134
9135   return MV_NONE;
9136 }
9137
9138 static int getPillarFromOpenDirection(int direction)
9139 {
9140   switch (direction)
9141   {
9142     case (MV_DOWN):                     return EL_EMC_WALL_1;
9143     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9144     case (MV_UP):                       return EL_EMC_WALL_3;
9145   }
9146
9147   return EL_EMPTY;
9148 }
9149
9150 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9151 {
9152   int element_new = getPillarFromOpenDirection(direction);
9153
9154   return (element_new != EL_EMPTY ? element_new : element_old);
9155 }
9156
9157 static int getOpenDirectionFromSteel2(int element)
9158 {
9159   switch (element)
9160   {
9161     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9162     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9163     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9164     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9165     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9166     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9167     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9168     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9169   }
9170
9171   return MV_NONE;
9172 }
9173
9174 static int getSteel2FromOpenDirection(int direction)
9175 {
9176   switch (direction)
9177   {
9178     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9179     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9180     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9181     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9182     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9183     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9184     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9185     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9186   }
9187
9188   return EL_EMPTY;
9189 }
9190
9191 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9192 {
9193   int element_new = getSteel2FromOpenDirection(direction);
9194
9195   return (element_new != EL_EMPTY ? element_new : element_old);
9196 }
9197
9198 static int getOpenDirectionFromChip(int element)
9199 {
9200   switch (element)
9201   {
9202     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9203     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9204     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9205     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9206     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9207   }
9208
9209   return MV_NONE;
9210 }
9211
9212 static int getChipFromOpenDirection(int direction)
9213 {
9214   switch (direction)
9215   {
9216     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9217     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9218     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9219     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9220     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9221   }
9222
9223   return EL_EMPTY;
9224 }
9225
9226 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9227 {
9228   int element_new = getChipFromOpenDirection(direction);
9229
9230   return (element_new != EL_EMPTY ? element_new : element_old);
9231 }
9232
9233 static int getClosedTube(int x, int y)
9234 {
9235   static int xy[4][2] =
9236   {
9237     { -1, 0 },
9238     { +1, 0 },
9239     { 0, -1 },
9240     { 0, +1 }
9241   };
9242   int element_old = IntelliDrawBuffer[x][y];
9243   int direction_old = getOpenDirectionFromTube(element_old);
9244   int direction_new = MV_NONE;
9245   int i;
9246
9247   for (i = 0; i < NUM_DIRECTIONS; i++)
9248   {
9249     int xx = x + xy[i][0];
9250     int yy = y + xy[i][1];
9251     int dir = MV_DIR_FROM_BIT(i);
9252     int dir_opposite = MV_DIR_OPPOSITE(dir);
9253
9254     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9255         (direction_old & dir) &&
9256         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9257       direction_new |= dir;
9258   }
9259
9260   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9261 }
9262
9263 static int getClosedBelt(int x, int y)
9264 {
9265   static int xy[4][2] =
9266   {
9267     { -1, 0 },
9268     { +1, 0 },
9269     { 0, -1 },
9270     { 0, +1 }
9271   };
9272   int element_old = IntelliDrawBuffer[x][y];
9273   int nr = getBeltNrFromBeltElement(element_old);
9274   int direction_old = getOpenDirectionFromBelt(element_old);
9275   int direction_new = MV_NONE;
9276   int i;
9277
9278   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9279   {
9280     int xx = x + xy[i][0];
9281     int yy = y + xy[i][1];
9282     int dir = MV_DIR_FROM_BIT(i);
9283     int dir_opposite = MV_DIR_OPPOSITE(dir);
9284
9285     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9286         (direction_old & dir) &&
9287         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9288       direction_new |= dir;
9289   }
9290
9291   return getBeltFromNrAndOpenDirection(nr, direction_new);
9292 }
9293
9294 static int getClosedPool(int x, int y)
9295 {
9296   static int xy[4][2] =
9297   {
9298     { -1, 0 },
9299     { +1, 0 },
9300     { 0, -1 },
9301     { 0, +1 }
9302   };
9303   int element_old = IntelliDrawBuffer[x][y];
9304   int direction_old = getOpenDirectionFromPool(element_old);
9305   int direction_new = MV_NONE;
9306   int i;
9307
9308   for (i = 0; i < NUM_DIRECTIONS; i++)
9309   {
9310     int xx = x + xy[i][0];
9311     int yy = y + xy[i][1];
9312     int dir = MV_DIR_FROM_BIT(i);
9313     int dir_opposite = MV_DIR_OPPOSITE(dir);
9314
9315     if (IN_LEV_FIELD(xx, yy) &&
9316         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9317         (direction_old & dir) &&
9318         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9319       direction_new |= dir;
9320   }
9321
9322   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9323 }
9324
9325 static int getClosedPillar(int x, int y)
9326 {
9327   static int xy[4][2] =
9328   {
9329     { -1, 0 },
9330     { +1, 0 },
9331     { 0, -1 },
9332     { 0, +1 }
9333   };
9334   int element_old = IntelliDrawBuffer[x][y];
9335   int direction_old = getOpenDirectionFromPillar(element_old);
9336   int direction_new = MV_NONE;
9337   int i;
9338
9339   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9340   {
9341     int xx = x + xy[i][0];
9342     int yy = y + xy[i][1];
9343     int dir = MV_DIR_FROM_BIT(i);
9344     int dir_opposite = MV_DIR_OPPOSITE(dir);
9345
9346     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9347         (direction_old & dir) &&
9348         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9349       direction_new |= dir;
9350   }
9351
9352   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9353 }
9354
9355 static int getClosedSteel2(int x, int y)
9356 {
9357   static int xy[4][2] =
9358   {
9359     { -1, 0 },
9360     { +1, 0 },
9361     { 0, -1 },
9362     { 0, +1 }
9363   };
9364   int element_old = IntelliDrawBuffer[x][y];
9365   int direction_old = getOpenDirectionFromSteel2(element_old);
9366   int direction_new = MV_NONE;
9367   int i;
9368
9369   for (i = 0; i < NUM_DIRECTIONS; i++)
9370   {
9371     int xx = x + xy[i][0];
9372     int yy = y + xy[i][1];
9373     int dir = MV_DIR_FROM_BIT(i);
9374     int dir_opposite = MV_DIR_OPPOSITE(dir);
9375
9376     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9377         (direction_old & dir) &&
9378         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9379       direction_new |= dir;
9380   }
9381
9382   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9383 }
9384
9385 static int getClosedChip(int x, int y)
9386 {
9387   static int xy[4][2] =
9388   {
9389     { -1, 0 },
9390     { +1, 0 },
9391     { 0, -1 },
9392     { 0, +1 }
9393   };
9394   int element_old = IntelliDrawBuffer[x][y];
9395   int direction_old = getOpenDirectionFromChip(element_old);
9396   int direction_new = MV_NONE;
9397   int i;
9398
9399   for (i = 0; i < NUM_DIRECTIONS; i++)
9400   {
9401     int xx = x + xy[i][0];
9402     int yy = y + xy[i][1];
9403     int dir = MV_DIR_FROM_BIT(i);
9404     int dir_opposite = MV_DIR_OPPOSITE(dir);
9405
9406     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9407         (direction_old & dir) &&
9408         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9409       direction_new |= dir;
9410   }
9411
9412   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9413 }
9414
9415 static void SetElementSimple(int x, int y, int element, boolean change_level)
9416 {
9417   int sx = x - level_xpos;
9418   int sy = y - level_ypos;
9419
9420   IntelliDrawBuffer[x][y] = element;
9421
9422   if (change_level)
9423     Feld[x][y] = element;
9424
9425   if (IN_ED_FIELD(sx, sy))
9426     DrawMiniElement(sx, sy, element);
9427 }
9428
9429 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9430                                            int x2, int y2, int *element2,
9431                                            int (*close_function)(int, int),
9432                                            boolean change_level)
9433 {
9434   /* set neighbour elements to newly determined connections */
9435   SetElementSimple(x1, y1, *element1, change_level);
9436   SetElementSimple(x2, y2, *element2, change_level);
9437
9438   /* remove all open connections of neighbour elements */
9439   *element1 = close_function(x1, y1);
9440   *element2 = close_function(x2, y2);
9441
9442   /* set neighbour elements to new, minimized connections */
9443   SetElementSimple(x1, y1, *element1, change_level);
9444   SetElementSimple(x2, y2, *element2, change_level);
9445 }
9446
9447 static void SetElementIntelliDraw(int x, int y, int new_element,
9448                                   boolean change_level, int button)
9449 {
9450   static int xy[4][2] =
9451   {
9452     { -1, 0 },
9453     { +1, 0 },
9454     { 0, -1 },
9455     { 0, +1 }
9456   };
9457   static int last_x = -1;
9458   static int last_y = -1;
9459   int old_element = IntelliDrawBuffer[x][y];
9460
9461   if (new_element == EL_UNDEFINED)
9462   {
9463     last_x = -1;
9464     last_y = -1;
9465
9466     return;
9467   }
9468
9469   if (IS_TUBE(new_element))
9470   {
9471     int last_element_new = EL_UNDEFINED;
9472     int direction = MV_NONE;
9473     int i;
9474
9475     /* if old element is of same kind, keep all existing directions */
9476     if (IS_TUBE(old_element))
9477       direction |= getOpenDirectionFromTube(old_element);
9478
9479     for (i = 0; i < NUM_DIRECTIONS; i++)
9480     {
9481       int xx = x + xy[i][0];
9482       int yy = y + xy[i][1];
9483
9484       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9485           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9486       {
9487         int dir = MV_DIR_FROM_BIT(i);
9488         int dir_opposite = MV_DIR_OPPOSITE(dir);
9489         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9490         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9491         int last_direction_new = last_direction_old | dir_opposite;
9492
9493         last_element_new = getTubeFromOpenDirection(last_direction_new);
9494
9495         direction |= dir;
9496       }
9497     }
9498
9499     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9500
9501     if (last_element_new != EL_UNDEFINED)
9502       MergeAndCloseNeighbourElements(x, y, &new_element,
9503                                      last_x, last_y, &last_element_new,
9504                                      getClosedTube, change_level);
9505   }
9506   else if (IS_BELT(new_element))
9507   {
9508     int belt_nr = getBeltNrFromBeltElement(new_element);
9509     int last_element_new = EL_UNDEFINED;
9510     int direction = MV_NONE;
9511     int i;
9512
9513     /* if old element is of same kind, keep all existing directions */
9514     if (IS_BELT(old_element))
9515       direction |= getOpenDirectionFromBelt(old_element);
9516
9517     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9518     {
9519       int xx = x + xy[i][0];
9520       int yy = y + xy[i][1];
9521
9522       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9523           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9524       {
9525         int dir = MV_DIR_FROM_BIT(i);
9526         int dir_opposite = MV_DIR_OPPOSITE(dir);
9527         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9528         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9529         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9530         int last_direction_new = last_direction_old | dir_opposite;
9531
9532         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9533                                                          last_direction_new);
9534         direction |= dir;
9535       }
9536     }
9537
9538     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9539                                                         new_element);
9540     if (last_element_new != EL_UNDEFINED)
9541       MergeAndCloseNeighbourElements(x, y, &new_element,
9542                                      last_x, last_y, &last_element_new,
9543                                      getClosedBelt, change_level);
9544   }
9545   else if (IS_ACID_POOL_OR_ACID(new_element))
9546   {
9547     int last_element_new = EL_UNDEFINED;
9548     int direction = MV_NONE;
9549     int i;
9550
9551     /* if old element is of same kind, keep all existing directions */
9552     if (IS_ACID_POOL_OR_ACID(old_element))
9553       direction |= getOpenDirectionFromPool(old_element);
9554
9555     for (i = 0; i < NUM_DIRECTIONS; i++)
9556     {
9557       int xx = x + xy[i][0];
9558       int yy = y + xy[i][1];
9559
9560       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9561           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9562       {
9563         int dir = MV_DIR_FROM_BIT(i);
9564         int dir_opposite = MV_DIR_OPPOSITE(dir);
9565         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9566         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9567         int last_direction_new = last_direction_old | dir_opposite;
9568
9569         last_element_new = getPoolFromOpenDirection(last_direction_new);
9570
9571         direction |= dir;
9572       }
9573     }
9574
9575     /* special corrections needed for intuitively correct acid pool drawing */
9576     if (last_element_new == EL_EMPTY)
9577       last_element_new = new_element;
9578     else if (last_element_new != EL_UNDEFINED)
9579       new_element = last_element_new;
9580
9581     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9582
9583     if (last_element_new != EL_UNDEFINED)
9584       MergeAndCloseNeighbourElements(x, y, &new_element,
9585                                      last_x, last_y, &last_element_new,
9586                                      getClosedPool, change_level);
9587   }
9588   else if (IS_EMC_PILLAR(new_element))
9589   {
9590     int last_element_new = EL_UNDEFINED;
9591     int direction = MV_NONE;
9592     int i;
9593
9594     /* if old element is of same kind, keep all existing directions */
9595     if (IS_EMC_PILLAR(old_element))
9596       direction |= getOpenDirectionFromPillar(old_element);
9597
9598     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9599     {
9600       int xx = x + xy[i][0];
9601       int yy = y + xy[i][1];
9602
9603       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9604           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9605       {
9606         int dir = MV_DIR_FROM_BIT(i);
9607         int dir_opposite = MV_DIR_OPPOSITE(dir);
9608         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9609         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9610         int last_direction_new = last_direction_old | dir_opposite;
9611
9612         last_element_new = getPillarFromOpenDirection(last_direction_new);
9613
9614         direction |= dir;
9615       }
9616     }
9617
9618     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9619
9620     if (last_element_new != EL_UNDEFINED)
9621       MergeAndCloseNeighbourElements(x, y, &new_element,
9622                                      last_x, last_y, &last_element_new,
9623                                      getClosedPillar, change_level);
9624   }
9625   else if (IS_DC_STEELWALL_2(new_element))
9626   {
9627     int last_element_new = EL_UNDEFINED;
9628     int direction = MV_NONE;
9629     int i;
9630
9631     /* if old element is of same kind, keep all existing directions */
9632     if (IS_DC_STEELWALL_2(old_element))
9633       direction |= getOpenDirectionFromSteel2(old_element);
9634
9635     for (i = 0; i < NUM_DIRECTIONS; i++)
9636     {
9637       int xx = x + xy[i][0];
9638       int yy = y + xy[i][1];
9639
9640       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9641           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9642       {
9643         int dir = MV_DIR_FROM_BIT(i);
9644         int dir_opposite = MV_DIR_OPPOSITE(dir);
9645         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9646         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9647         int last_direction_new = last_direction_old | dir_opposite;
9648
9649         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9650
9651         direction |= dir;
9652       }
9653     }
9654
9655     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9656
9657     if (last_element_new != EL_UNDEFINED)
9658       MergeAndCloseNeighbourElements(x, y, &new_element,
9659                                      last_x, last_y, &last_element_new,
9660                                      getClosedSteel2, change_level);
9661   }
9662   else if (IS_SP_CHIP(new_element))
9663   {
9664     int last_element_new = EL_UNDEFINED;
9665     int direction = MV_NONE;
9666     int i;
9667
9668     /* (do not keep existing directions, regardless of kind of old element) */
9669
9670     for (i = 0; i < NUM_DIRECTIONS; i++)
9671     {
9672       int xx = x + xy[i][0];
9673       int yy = y + xy[i][1];
9674
9675       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9676           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9677       {
9678         int dir = MV_DIR_FROM_BIT(i);
9679         int dir_opposite = MV_DIR_OPPOSITE(dir);
9680         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9681         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9682         int last_direction_new = last_direction_old | dir_opposite;
9683
9684         if (last_direction_old == MV_NONE)
9685         {
9686           last_element_new = getChipFromOpenDirection(last_direction_new);
9687           direction |= dir;
9688         }
9689         else if (last_direction_old & (dir | dir_opposite))
9690         {
9691           direction |= MV_DIR_OPPOSITE(last_direction_old);
9692         }
9693         else
9694         {
9695           direction |= MV_DIR_OPPOSITE(dir);
9696         }
9697       }
9698     }
9699
9700     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9701
9702     if (last_element_new != EL_UNDEFINED)
9703       MergeAndCloseNeighbourElements(x, y, &new_element,
9704                                      last_x, last_y, &last_element_new,
9705                                      getClosedChip, change_level);
9706   }
9707   else if (IS_SP_HARDWARE_BASE(new_element))
9708   {
9709     int nr = GetSimpleRandom(6);
9710
9711     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9712                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9713                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9714                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9715                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9716   }
9717   else if (new_element == EL_SP_HARDWARE_GREEN ||
9718            new_element == EL_SP_HARDWARE_BLUE ||
9719            new_element == EL_SP_HARDWARE_RED)
9720   {
9721     int nr = GetSimpleRandom(3);
9722
9723     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9724                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9725   }
9726   else if (IS_GROUP_ELEMENT(new_element))
9727   {
9728     boolean connected_drawing = FALSE;
9729     int i;
9730
9731     for (i = 0; i < NUM_DIRECTIONS; i++)
9732     {
9733       int xx = x + xy[i][0];
9734       int yy = y + xy[i][1];
9735
9736       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9737           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9738         connected_drawing = TRUE;
9739     }
9740
9741     if (!connected_drawing)
9742       ResolveGroupElement(new_element);
9743
9744     new_element = GetElementFromGroupElement(new_element);
9745   }
9746   else if (IS_BELT_SWITCH(old_element))
9747   {
9748     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9749     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9750
9751     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9752                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9753
9754     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9755   }
9756   else
9757   {
9758     static int swappable_elements[][2] =
9759     {
9760       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9761       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9762       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9763       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9764       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9765       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9766       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9767       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9768       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9769       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9770       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9771       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9772       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9773       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9774       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9775       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9776       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9777       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9778       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9779       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9780       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9781       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9782       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9783       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9784       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9785       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9786       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9787       { EL_PEARL,                       EL_WALL_PEARL                   },
9788       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9789       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9790       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9791       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9792       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9793       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9794       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9795       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9796       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9797       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9798       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9799       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9800
9801       { -1,                             -1                              },
9802     };
9803     static int rotatable_elements[][4] =
9804     {
9805       {
9806         EL_BUG_UP,
9807         EL_BUG_RIGHT,
9808         EL_BUG_DOWN,
9809         EL_BUG_LEFT
9810       },
9811
9812       {
9813         EL_SPACESHIP_UP,
9814         EL_SPACESHIP_RIGHT,
9815         EL_SPACESHIP_DOWN,
9816         EL_SPACESHIP_LEFT
9817       },
9818
9819       {
9820         EL_BD_BUTTERFLY_UP,
9821         EL_BD_BUTTERFLY_RIGHT,
9822         EL_BD_BUTTERFLY_DOWN,
9823         EL_BD_BUTTERFLY_LEFT
9824       },
9825
9826       {
9827         EL_BD_FIREFLY_UP,
9828         EL_BD_FIREFLY_RIGHT,
9829         EL_BD_FIREFLY_DOWN,
9830         EL_BD_FIREFLY_LEFT
9831       },
9832
9833       {
9834         EL_PACMAN_UP,
9835         EL_PACMAN_RIGHT,
9836         EL_PACMAN_DOWN,
9837         EL_PACMAN_LEFT
9838       },
9839
9840       {
9841         EL_YAMYAM_UP,
9842         EL_YAMYAM_RIGHT,
9843         EL_YAMYAM_DOWN,
9844         EL_YAMYAM_LEFT
9845       },
9846
9847       {
9848         EL_ARROW_UP,
9849         EL_ARROW_RIGHT,
9850         EL_ARROW_DOWN,
9851         EL_ARROW_LEFT
9852       },
9853
9854       {
9855         EL_SP_PORT_UP,
9856         EL_SP_PORT_RIGHT,
9857         EL_SP_PORT_DOWN,
9858         EL_SP_PORT_LEFT
9859       },
9860
9861       {
9862         EL_SP_GRAVITY_PORT_UP,
9863         EL_SP_GRAVITY_PORT_RIGHT,
9864         EL_SP_GRAVITY_PORT_DOWN,
9865         EL_SP_GRAVITY_PORT_LEFT
9866       },
9867
9868       {
9869         EL_SP_GRAVITY_ON_PORT_UP,
9870         EL_SP_GRAVITY_ON_PORT_RIGHT,
9871         EL_SP_GRAVITY_ON_PORT_DOWN,
9872         EL_SP_GRAVITY_ON_PORT_LEFT
9873       },
9874
9875       {
9876         EL_SP_GRAVITY_OFF_PORT_UP,
9877         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9878         EL_SP_GRAVITY_OFF_PORT_DOWN,
9879         EL_SP_GRAVITY_OFF_PORT_LEFT
9880       },
9881
9882       {
9883         EL_MOLE_UP,
9884         EL_MOLE_RIGHT,
9885         EL_MOLE_DOWN,
9886         EL_MOLE_LEFT
9887       },
9888
9889       {
9890         EL_BALLOON_SWITCH_UP,
9891         EL_BALLOON_SWITCH_RIGHT,
9892         EL_BALLOON_SWITCH_DOWN,
9893         EL_BALLOON_SWITCH_LEFT
9894       },
9895
9896       {
9897         -1,
9898         -1,
9899         -1,
9900         -1,
9901       },
9902     };
9903     int i, j;
9904
9905     for (i = 0; swappable_elements[i][0] != -1; i++)
9906     {
9907       int element1 = swappable_elements[i][0];
9908       int element2 = swappable_elements[i][1];
9909
9910       if (old_element == element1 || old_element == element2)
9911         new_element = (old_element == element1 ? element2 : element1);
9912     }
9913
9914     for (i = 0; rotatable_elements[i][0] != -1; i++)
9915     {
9916       for (j = 0; j < 4; j++)
9917       {
9918         int element = rotatable_elements[i][j];
9919
9920         if (old_element == element)
9921           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9922                          button == 2 ? rotatable_elements[i][0]           :
9923                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9924                          old_element);
9925       }
9926     }
9927   }
9928
9929   SetElementSimple(x, y, new_element, change_level);
9930
9931   last_x = x;
9932   last_y = y;
9933 }
9934
9935 static void ResetIntelliDraw()
9936 {
9937   int x, y;
9938
9939   for (x = 0; x < lev_fieldx; x++)
9940     for (y = 0; y < lev_fieldy; y++)
9941       IntelliDrawBuffer[x][y] = Feld[x][y];
9942
9943   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
9944 }
9945
9946 static void SetElementExt(int x, int y, int element, boolean change_level,
9947                           int button)
9948 {
9949   if (element < 0)
9950     SetElementSimple(x, y, Feld[x][y], change_level);
9951   else if (GetKeyModState() & KMOD_Shift)
9952     SetElementIntelliDraw(x, y, element, change_level, button);
9953   else
9954     SetElementSimple(x, y, element, change_level);
9955 }
9956
9957 static void SetElement(int x, int y, int element)
9958 {
9959   SetElementExt(x, y, element, TRUE, -1);
9960 }
9961
9962 static void SetElementButton(int x, int y, int element, int button)
9963 {
9964   SetElementExt(x, y, element, TRUE, button);
9965 }
9966
9967 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
9968 {
9969   int lx = sx + level_xpos;
9970   int ly = sy + level_ypos;
9971
9972   SetElementExt(lx, ly, element, change_level, -1);
9973 }
9974
9975 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
9976                      int element, boolean change_level)
9977 {
9978   int xsize = ABS(to_x - from_x);
9979   int ysize = ABS(to_y - from_y);
9980   int dx = (to_x < from_x ? -1 : +1);
9981   int dy = (to_y < from_y ? -1 : +1);
9982   int i;
9983
9984   if (from_y == to_y)                   /* horizontal line */
9985   {
9986     for (i = 0; i <= xsize; i++)
9987       DrawLineElement(from_x + i * dx, from_y, element, change_level);
9988   }
9989   else if (from_x == to_x)              /* vertical line */
9990   {
9991     for (i = 0; i <= ysize; i++)
9992       DrawLineElement(from_x, from_y + i * dy, element, change_level);
9993   }
9994   else                                  /* diagonal line */
9995   {
9996     if (ysize < xsize)                  /* a < 1 */
9997     {
9998       float a = (float)ysize / (float)xsize;
9999
10000       for (i = 0; i <= xsize; i++)
10001       {
10002         int x = dx * i;
10003         int y = dy * (int)(a * i + 0.5);
10004
10005         DrawLineElement(from_x + x, from_y + y, element, change_level);
10006       }
10007     }
10008     else                                /* a >= 1 */
10009     {
10010       float a = (float)xsize / (float)ysize;
10011
10012       for (i = 0; i <= ysize; i++)
10013       {
10014         int x = dx * (int)(a * i + 0.5);
10015         int y = dy * i;
10016
10017         DrawLineElement(from_x + x, from_y + y, element, change_level);
10018       }
10019     }
10020   }
10021 }
10022
10023 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10024                     int element, boolean change_level)
10025 {
10026   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10027   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10028   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10029   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10030 }
10031
10032 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10033                           int element, boolean change_level)
10034 {
10035   int y;
10036
10037   if (from_y > to_y)
10038     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10039
10040   for (y = from_y; y <= to_y; y++)
10041     DrawLine(from_x, y, to_x, y, element, change_level);
10042 }
10043
10044 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10045                        int element, boolean change_level)
10046 {
10047   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10048   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10049   int len_x = ABS(to_x - from_x);
10050   int len_y = ABS(to_y - from_y);
10051   int radius, x, y;
10052
10053   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10054
10055   /* not optimal (some points get drawn twice) but simple,
10056      and fast enough for the few points we are drawing */
10057
10058   for (x = 0; x <= radius; x++)
10059   {
10060     int sx, sy, lx, ly;
10061
10062     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10063
10064     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10065     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10066     lx = sx + level_xpos;
10067     ly = sy + level_ypos;
10068
10069     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10070       DrawLineElement(sx, sy, element, change_level);
10071   }
10072
10073   for (y = 0; y <= radius; y++)
10074   {
10075     int sx, sy, lx, ly;
10076
10077     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10078
10079     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10080     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10081     lx = sx + level_xpos;
10082     ly = sy + level_ypos;
10083
10084     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10085       DrawLineElement(sx, sy, element, change_level);
10086   }
10087 }
10088
10089 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10090                     int element, boolean change_level)
10091 {
10092   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10093   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10094
10095   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10096 }
10097
10098 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10099
10100 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10101 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10102                        int element, boolean change_level)
10103 {
10104   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10105   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10106   int mirror_to_x2 = from_x - (to_x2 - from_x);
10107   int mirror_to_y2 = from_y - (to_y2 - from_y);
10108
10109   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10110   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10111   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10112   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10113 }
10114 #endif
10115
10116 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10117 {
10118   int from_sx, from_sy;
10119   int to_sx, to_sy;
10120
10121   if (from_x > to_x)
10122     swap_numbers(&from_x, &to_x);
10123
10124   if (from_y > to_y)
10125     swap_numbers(&from_y, &to_y);
10126
10127   from_sx = SX + from_x * MINI_TILEX;
10128   from_sy = SY + from_y * MINI_TILEY;
10129   to_sx = SX + to_x * MINI_TILEX + MINI_TILEX - 1;
10130   to_sy = SY + to_y * MINI_TILEY + MINI_TILEY - 1;
10131
10132   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10133   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10134   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10135   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10136
10137   if (from_x == to_x && from_y == to_y)
10138     MarkTileDirty(from_x/2, from_y/2);
10139   else
10140     redraw_mask |= REDRAW_FIELD;
10141 }
10142
10143 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10144                        int element, boolean change_level)
10145 {
10146   if (element == -1 || change_level)
10147     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10148   else
10149     DrawAreaBorder(from_x, from_y, to_x, to_y);
10150 }
10151
10152 /* values for CopyBrushExt() */
10153 #define CB_AREA_TO_BRUSH        0
10154 #define CB_BRUSH_TO_CURSOR      1
10155 #define CB_BRUSH_TO_LEVEL       2
10156 #define CB_DELETE_OLD_CURSOR    3
10157 #define CB_DUMP_BRUSH           4
10158 #define CB_DUMP_BRUSH_SMALL     5
10159
10160 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10161                          int button, int mode)
10162 {
10163   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10164   static int brush_width, brush_height;
10165   static int last_cursor_x = -1, last_cursor_y = -1;
10166   static boolean delete_old_brush;
10167   int new_element = BUTTON_ELEMENT(button);
10168   int x, y;
10169
10170   if (mode == CB_DUMP_BRUSH ||
10171       mode == CB_DUMP_BRUSH_SMALL)
10172   {
10173     if (!draw_with_brush)
10174     {
10175       Error(ERR_WARN, "no brush selected");
10176
10177       return;
10178     }
10179
10180     for (y = 0; y < brush_height; y++)
10181     {
10182       for (x = 0; x < brush_width; x++)
10183       {
10184         int element = brush_buffer[x][y];
10185         int element_mapped = element;
10186
10187         if (IS_CUSTOM_ELEMENT(element))
10188           element_mapped = EL_CUSTOM_START;
10189         else if (IS_GROUP_ELEMENT(element))
10190           element_mapped = EL_GROUP_START;
10191         else if (element >= NUM_FILE_ELEMENTS)
10192           element_mapped = EL_UNKNOWN;
10193
10194         // dump brush as level sketch text for the R'n'D forum:
10195         // - large tiles: `xxx (0x60 ASCII)
10196         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10197         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10198       }
10199
10200       printf("\n");
10201     }
10202
10203     return;
10204   }
10205
10206   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10207     return;
10208
10209   if (mode == CB_AREA_TO_BRUSH)
10210   {
10211     int from_lx, from_ly;
10212
10213     if (from_x > to_x)
10214       swap_numbers(&from_x, &to_x);
10215
10216     if (from_y > to_y)
10217       swap_numbers(&from_y, &to_y);
10218
10219     brush_width = to_x - from_x + 1;
10220     brush_height = to_y - from_y + 1;
10221
10222     from_lx = from_x + level_xpos;
10223     from_ly = from_y + level_ypos;
10224
10225     for (y = 0; y < brush_height; y++)
10226     {
10227       for (x = 0; x < brush_width; x++)
10228       {
10229         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10230
10231         if (button != 1)
10232           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10233       }
10234     }
10235
10236     if (button != 1)
10237       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10238
10239     delete_old_brush = FALSE;
10240   }
10241   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10242            mode == CB_BRUSH_TO_LEVEL)
10243   {
10244     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10245     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10246     int cursor_from_x = cursor_x - brush_width / 2;
10247     int cursor_from_y = cursor_y - brush_height / 2;
10248     int border_from_x = cursor_x, border_from_y = cursor_y;
10249     int border_to_x = cursor_x, border_to_y = cursor_y;
10250
10251     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10252       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10253
10254     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10255         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10256     {
10257       delete_old_brush = FALSE;
10258       return;
10259     }
10260
10261     for (y = 0; y < brush_height; y++)
10262     {
10263       for (x = 0; x < brush_width; x++)
10264       {
10265         int sx = cursor_from_x + x;
10266         int sy = cursor_from_y + y;
10267         int lx = sx + level_xpos;
10268         int ly = sy + level_ypos;
10269         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10270         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10271                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10272                        brush_buffer[x][y] : new_element);
10273
10274         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10275         {
10276           if (sx < border_from_x)
10277             border_from_x = sx;
10278           else if (sx > border_to_x)
10279             border_to_x = sx;
10280           if (sy < border_from_y)
10281             border_from_y = sy;
10282           else if (sy > border_to_y)
10283             border_to_y = sy;
10284
10285           DrawLineElement(sx, sy, element, change_level);
10286         }
10287       }
10288     }
10289
10290     if (mode != CB_DELETE_OLD_CURSOR)
10291       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10292
10293     last_cursor_x = cursor_x;
10294     last_cursor_y = cursor_y;
10295     delete_old_brush = TRUE;
10296   }
10297 }
10298
10299 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10300                             int button)
10301 {
10302   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10303 }
10304
10305 static void CopyBrushToLevel(int x, int y, int button)
10306 {
10307   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10308 }
10309
10310 static void CopyBrushToCursor(int x, int y)
10311 {
10312   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10313 }
10314
10315 static void DeleteBrushFromCursor()
10316 {
10317   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10318 }
10319
10320 void DumpBrush()
10321 {
10322   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10323 }
10324
10325 void DumpBrush_Small()
10326 {
10327   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10328 }
10329
10330 static void FloodFill(int from_x, int from_y, int fill_element)
10331 {
10332   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10333 }
10334
10335 /* values for DrawLevelText() modes */
10336 #define TEXT_INIT               0
10337 #define TEXT_SETCURSOR          1
10338 #define TEXT_WRITECHAR          2
10339 #define TEXT_BACKSPACE          3
10340 #define TEXT_NEWLINE            4
10341 #define TEXT_END                5
10342 #define TEXT_QUERY_TYPING       6
10343
10344 static int DrawLevelText(int sx, int sy, char letter, int mode)
10345 {
10346   static short delete_buffer[MAX_LEV_FIELDX];
10347   static int start_sx;
10348   static int last_sx, last_sy;
10349   static boolean typing = FALSE;
10350   int letter_element = EL_CHAR_ASCII0 + letter;
10351   int lx = 0, ly = 0;
10352
10353   /* map lower case letters to upper case and convert special characters */
10354   if (letter >= 'a' && letter <= 'z')
10355     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10356   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10357     letter_element = EL_CHAR_AUMLAUT;
10358   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10359     letter_element = EL_CHAR_OUMLAUT;
10360   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10361     letter_element = EL_CHAR_UUMLAUT;
10362   else if (letter == '^')
10363     letter_element = EL_CHAR_COPYRIGHT;
10364   else
10365     letter_element = EL_CHAR_ASCII0 + letter;
10366
10367   if (mode != TEXT_INIT)
10368   {
10369     if (!typing)
10370       return FALSE;
10371
10372     if (mode != TEXT_SETCURSOR)
10373     {
10374       sx = last_sx;
10375       sy = last_sy;
10376     }
10377
10378     lx = last_sx + level_xpos;
10379     ly = last_sy + level_ypos;
10380   }
10381
10382   switch (mode)
10383   {
10384     case TEXT_INIT:
10385       if (typing)
10386         DrawLevelText(0, 0, 0, TEXT_END);
10387
10388       typing = TRUE;
10389       start_sx = sx;
10390       last_sx = sx;
10391       last_sy = sy;
10392       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10393       break;
10394
10395     case TEXT_SETCURSOR:
10396       DrawMiniElement(last_sx, last_sy, Feld[lx][ly]);
10397       DrawAreaBorder(sx, sy, sx, sy);
10398       last_sx = sx;
10399       last_sy = sy;
10400       break;
10401
10402     case TEXT_WRITECHAR:
10403       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10404       {
10405         if (new_element1 >= EL_STEEL_CHAR_START &&
10406             new_element1 <= EL_STEEL_CHAR_END)
10407           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10408
10409         delete_buffer[sx - start_sx] = Feld[lx][ly];
10410         Feld[lx][ly] = letter_element;
10411
10412         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10413           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10414         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10415           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10416         else
10417           DrawLevelText(0, 0, 0, TEXT_END);
10418
10419         level.changed = TRUE;
10420       }
10421       break;
10422
10423     case TEXT_BACKSPACE:
10424       if (sx > start_sx)
10425       {
10426         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10427         DrawMiniElement(sx - 1, sy, Feld[lx - 1][ly]);
10428         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10429       }
10430       break;
10431
10432     case TEXT_NEWLINE:
10433       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10434         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10435       else
10436         DrawLevelText(0, 0, 0, TEXT_END);
10437       break;
10438
10439     case TEXT_END:
10440       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10441       DrawMiniElement(sx, sy, Feld[lx][ly]);
10442       typing = FALSE;
10443       break;
10444
10445     case TEXT_QUERY_TYPING:
10446       break;
10447
10448     default:
10449       break;
10450   }
10451
10452   return typing;
10453 }
10454
10455 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10456                           int element, boolean change_level)
10457 {
10458   int lx = sx + level_xpos;
10459   int ly = sy + level_ypos;
10460
10461   if (element == -1)
10462     DrawMiniElement(sx, sy, Feld[lx][ly]);
10463   else
10464     DrawAreaBorder(sx, sy, sx, sy);
10465 }
10466
10467 static void CheckLevelBorderElement(boolean redraw_playfield)
10468 {
10469   int last_border_element = BorderElement;
10470
10471   SetBorderElement();
10472
10473   if (redraw_playfield && BorderElement != last_border_element)
10474     DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10475 }
10476
10477 static void CopyLevelToUndoBuffer(int mode)
10478 {
10479   static boolean accumulated_undo = FALSE;
10480   boolean new_undo_buffer_position = TRUE;
10481   int x, y;
10482
10483   if (undo_buffer_steps == 0)
10484     accumulated_undo = FALSE;
10485
10486   switch (mode)
10487   {
10488     case UNDO_IMMEDIATE:
10489       accumulated_undo = FALSE;
10490       break;
10491
10492     case UNDO_ACCUMULATE:
10493       if (accumulated_undo)
10494         new_undo_buffer_position = FALSE;
10495       accumulated_undo = TRUE;
10496       break;
10497
10498     default:
10499       break;
10500   }
10501
10502   if (new_undo_buffer_position)
10503   {
10504     /* advance position in undo buffer ring */
10505     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10506
10507     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10508       undo_buffer_steps++;
10509   }
10510
10511   /* always reset redo buffer when storing level change into undo buffer */
10512   redo_buffer_steps = 0;
10513
10514   for (x = 0; x < lev_fieldx; x++)
10515     for (y = 0; y < lev_fieldy; y++)
10516       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10517
10518   /* check if drawing operation forces change of border style */
10519   CheckLevelBorderElement(TRUE);
10520
10521   level.changed = TRUE;
10522 }
10523
10524 static void RandomPlacement(int new_element)
10525 {
10526   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10527   int num_free_positions = 0;
10528   int num_percentage, num_elements;
10529   int x, y;
10530
10531   ResetIntelliDraw();
10532
10533   /* determine number of free positions for randomly placing the new element */
10534   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10535   {
10536     free_position[x][y] =
10537       (random_placement_background_restricted ?
10538        Feld[x][y] == random_placement_background_element :
10539        Feld[x][y] != new_element);
10540
10541     if (free_position[x][y])
10542       num_free_positions++;
10543   }
10544
10545   /* determine number of new elements to place there */
10546   num_percentage = num_free_positions * random_placement_value / 100;
10547   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10548                   num_percentage : random_placement_value);
10549
10550   /* if less free positions than elements to place, fill all these positions */
10551   if (num_free_positions < num_elements)
10552   {
10553     for (x = 0; x < lev_fieldx; x++)
10554       for (y = 0; y < lev_fieldy; y++)
10555         if (free_position[x][y])
10556           SetElement(x, y, new_element);
10557   }
10558   else
10559   {
10560     while (num_elements > 0)
10561     {
10562       x = GetSimpleRandom(lev_fieldx);
10563       y = GetSimpleRandom(lev_fieldy);
10564
10565       /* don't place element at the same position twice */
10566       if (free_position[x][y])
10567       {
10568         free_position[x][y] = FALSE;
10569         SetElement(x, y, new_element);
10570         num_elements--;
10571       }
10572     }
10573   }
10574
10575   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10576   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10577 }
10578
10579 void WrapLevel(int dx, int dy)
10580 {
10581   int wrap_dx = lev_fieldx - dx;
10582   int wrap_dy = lev_fieldy - dy;
10583   int x, y;
10584
10585   for (x = 0; x < lev_fieldx; x++)
10586     for (y = 0; y < lev_fieldy; y++)
10587       FieldBackup[x][y] = Feld[x][y];
10588
10589   for (x = 0; x < lev_fieldx; x++)
10590     for (y = 0; y < lev_fieldy; y++)
10591       Feld[x][y] =
10592         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10593
10594   DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10595   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10596 }
10597
10598 static void HandleDrawingAreas(struct GadgetInfo *gi)
10599 {
10600   static boolean started_inside_drawing_area = FALSE;
10601   int id = gi->custom_id;
10602   boolean button_press_event;
10603   boolean button_release_event;
10604   boolean inside_drawing_area = !gi->event.off_borders;
10605   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10606   int actual_drawing_function;
10607   int button = gi->event.button;
10608   int new_element = BUTTON_ELEMENT(button);
10609   int sx = gi->event.x, sy = gi->event.y;
10610   int min_sx = 0, min_sy = 0;
10611   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10612   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10613   int lx = 0, ly = 0;
10614   int min_lx = 0, min_ly = 0;
10615   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10616   int x, y;
10617
10618   /* handle info callback for each invocation of action callback */
10619   gi->callback_info(gi);
10620
10621   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10622   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10623
10624   /* make sure to stay inside drawing area boundaries */
10625   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10626   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10627
10628   if (draw_level)
10629   {
10630     /* get positions inside level field */
10631     lx = sx + level_xpos;
10632     ly = sy + level_ypos;
10633
10634     if (!IN_LEV_FIELD(lx, ly))
10635       inside_drawing_area = FALSE;
10636
10637     /* make sure to stay inside level field boundaries */
10638     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10639     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10640
10641     /* correct drawing area positions accordingly */
10642     sx = lx - level_xpos;
10643     sy = ly - level_ypos;
10644   }
10645
10646   if (button_press_event)
10647     started_inside_drawing_area = inside_drawing_area;
10648
10649   if (!started_inside_drawing_area)
10650     return;
10651
10652   if (!IS_VALID_BUTTON(button))
10653     return;
10654
10655   if (!button && !button_release_event)
10656     return;
10657
10658   /* automatically switch to 'single item' drawing mode, if needed */
10659   actual_drawing_function =
10660     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10661      drawing_function : GADGET_ID_SINGLE_ITEMS);
10662
10663   /* clicking into drawing area with pressed Control key picks element */
10664   if (GetKeyModState() & KMOD_Control)
10665   {
10666     last_drawing_function = drawing_function;
10667     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10668   }
10669
10670   if (GetKeyModState() & KMOD_Shift)
10671   {
10672     if (button_press_event || button_release_event)
10673       ResetIntelliDraw();
10674   }
10675
10676   switch (actual_drawing_function)
10677   {
10678     case GADGET_ID_SINGLE_ITEMS:
10679       if (draw_level)
10680       {
10681         if (button_release_event)
10682         {
10683           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10684
10685           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10686               !inside_drawing_area)
10687             DeleteBrushFromCursor();
10688         }
10689
10690         if (!button || button_release_event)
10691           break;
10692
10693         if (draw_with_brush)
10694         {
10695           CopyBrushToLevel(sx, sy, button);
10696         }
10697         else
10698         {
10699           if (new_element == EL_PLAYER_1)
10700           {
10701             /* remove player at old position */
10702             for (y = 0; y < lev_fieldy; y++)
10703               for (x = 0; x < lev_fieldx; x++)
10704                 if (Feld[x][y] == EL_PLAYER_1)
10705                   SetElement(x, y, EL_EMPTY);
10706           }
10707
10708           SetElementButton(lx, ly, new_element, button);
10709         }
10710       }
10711       else
10712       {
10713         int type_id = gi->custom_type_id;
10714         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10715
10716         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10717           DrawMiniGraphicExt(drawto,
10718                              gi->x + sx * MINI_TILEX,
10719                              gi->y + sy * MINI_TILEY,
10720                              el2edimg(new_element));
10721         else
10722           DrawFixedGraphicExt(drawto,
10723                               gi->x + sx * TILEX,
10724                               gi->y + sy * TILEY,
10725                               el2img(new_element), 0);
10726
10727         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10728           new_element = GFX_ELEMENT(new_element);
10729
10730         drawingarea_info[type_id].value[pos] = new_element;
10731
10732         CopyElementPropertiesToGame(properties_element);
10733
10734         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10735         {
10736           UpdateCustomElementGraphicGadgets();
10737
10738           FrameCounter = 0;     /* restart animation frame counter */
10739         }
10740       }
10741       break;
10742
10743     case GADGET_ID_CONNECTED_ITEMS:
10744       {
10745         static int last_sx = -1;
10746         static int last_sy = -1;
10747
10748         if (button_release_event)
10749           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10750
10751         if (button)
10752         {
10753           if (!button_press_event)
10754             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10755
10756           last_sx = sx;
10757           last_sy = sy;
10758         }
10759       }
10760       break;
10761
10762     case GADGET_ID_LINE:
10763     case GADGET_ID_ARC:
10764     case GADGET_ID_RECTANGLE:
10765     case GADGET_ID_FILLED_BOX:
10766     case GADGET_ID_GRAB_BRUSH:
10767     case GADGET_ID_TEXT:
10768       {
10769         static int last_sx = -1;
10770         static int last_sy = -1;
10771         static int start_sx = -1;
10772         static int start_sy = -1;
10773         void (*draw_func)(int, int, int, int, int, boolean);
10774
10775         if (drawing_function == GADGET_ID_LINE)
10776           draw_func = DrawLine;
10777         else if (drawing_function == GADGET_ID_ARC)
10778           draw_func = DrawArc;
10779         else if (drawing_function == GADGET_ID_RECTANGLE)
10780           draw_func = DrawBox;
10781         else if (drawing_function == GADGET_ID_FILLED_BOX)
10782           draw_func = DrawFilledBox;
10783         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10784           draw_func = SelectArea;
10785         else /* (drawing_function == GADGET_ID_TEXT) */
10786           draw_func = SetTextCursor;
10787
10788         if (button_press_event)
10789         {
10790           draw_func(sx, sy, sx, sy, new_element, FALSE);
10791           start_sx = last_sx = sx;
10792           start_sy = last_sy = sy;
10793
10794           if (drawing_function == GADGET_ID_TEXT)
10795             DrawLevelText(0, 0, 0, TEXT_END);
10796         }
10797         else if (button_release_event)
10798         {
10799           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10800           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10801           {
10802             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10803             CopyBrushToCursor(sx, sy);
10804             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10805                           MB_LEFTBUTTON);
10806             draw_with_brush = TRUE;
10807           }
10808           else if (drawing_function == GADGET_ID_TEXT)
10809             DrawLevelText(sx, sy, 0, TEXT_INIT);
10810           else
10811             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10812         }
10813         else if (last_sx != sx || last_sy != sy)
10814         {
10815           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10816           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10817           last_sx = sx;
10818           last_sy = sy;
10819         }
10820       }
10821       break;
10822
10823     case GADGET_ID_FLOOD_FILL:
10824       if (button_press_event && Feld[lx][ly] != new_element)
10825       {
10826         FloodFill(lx, ly, new_element);
10827         DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10828         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10829       }
10830       break;
10831
10832     case GADGET_ID_PICK_ELEMENT:
10833       if (button_release_event)
10834         ClickOnGadget(level_editor_gadget[last_drawing_function],
10835                       MB_LEFTBUTTON);
10836       else if (draw_level)
10837         PickDrawingElement(button, Feld[lx][ly]);
10838       else
10839       {
10840         int type_id = gi->custom_type_id;
10841         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10842
10843         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10844       }
10845
10846       break;
10847
10848     default:
10849       break;
10850   }
10851 }
10852
10853 static void HandleCounterButtons(struct GadgetInfo *gi)
10854 {
10855   int gadget_id = gi->custom_id;
10856   int counter_id = gi->custom_type_id;
10857   int button = gi->event.button;
10858   int *counter_value = counterbutton_info[counter_id].value;
10859   int step = BUTTON_STEPSIZE(button) *
10860     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10861
10862   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10863   {
10864     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10865     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10866     boolean level_changed = LevelChanged();
10867
10868     if ((level_changed && pressed) || (!level_changed && released))
10869       return;
10870
10871     if (level_changed && !Request("Level has changed! Discard changes?",
10872                                   REQ_ASK))
10873     {
10874       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10875         ModifyEditorCounterValue(counter_id, *counter_value);
10876
10877       return;
10878     }
10879   }
10880
10881   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10882     *counter_value = gi->textinput.number_value;
10883   else
10884     ModifyEditorCounterValue(counter_id, *counter_value + step);
10885
10886   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10887   {
10888       LoadLevel(level_nr);
10889       LoadScore(level_nr);
10890
10891       TapeErase();
10892
10893       ResetUndoBuffer();
10894       DrawEditModeWindow();
10895
10896       return;
10897   }
10898
10899   switch (counter_id)
10900   {
10901     case ED_COUNTER_ID_YAMYAM_CONTENT:
10902       DrawYamYamContentAreas();
10903       break;
10904
10905     case ED_COUNTER_ID_BALL_CONTENT:
10906       DrawMagicBallContentAreas();
10907       break;
10908
10909     case ED_COUNTER_ID_ANDROID_CONTENT:
10910       DrawAndroidElementArea(properties_element);
10911       break;
10912
10913     case ED_COUNTER_ID_GROUP_CONTENT:
10914       DrawGroupElementArea(properties_element);
10915       CopyGroupElementPropertiesToGame(properties_element);
10916       break;
10917
10918     case ED_COUNTER_ID_INVENTORY_SIZE:
10919       DrawPlayerInitialInventoryArea(properties_element);
10920       break;
10921
10922     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10923     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10924       DrawEnvelopeTextArea(-1);
10925       break;
10926
10927     case ED_COUNTER_ID_LEVEL_XSIZE:
10928     case ED_COUNTER_ID_LEVEL_YSIZE:
10929       lev_fieldx = level.fieldx;
10930       lev_fieldy = level.fieldy;
10931       break;
10932
10933     default:
10934       break;
10935   }
10936
10937   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10938        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
10939       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
10940        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
10941     CopyElementPropertiesToGame(properties_element);
10942
10943   level.changed = TRUE;
10944 }
10945
10946 static void HandleTextInputGadgets(struct GadgetInfo *gi)
10947 {
10948   int type_id = gi->custom_type_id;
10949
10950   strcpy(textinput_info[type_id].value, gi->textinput.value);
10951
10952   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
10953   {
10954     CopyElementPropertiesToGame(properties_element);
10955
10956     ModifyEditorElementList();  /* update changed button info text */
10957   }
10958
10959   level.changed = TRUE;
10960 }
10961
10962 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
10963 {
10964   int type_id = gi->custom_type_id;
10965
10966   strncpy(textarea_info[type_id].value, gi->textarea.value,
10967           MAX_ENVELOPE_TEXT_LEN);
10968   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
10969
10970   level.changed = TRUE;
10971 }
10972
10973 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
10974 {
10975   int type_id = gi->custom_type_id;
10976   int value_old = *selectbox_info[type_id].value;
10977   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
10978
10979   *selectbox_info[type_id].value = value_new;
10980
10981   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
10982   {
10983     element_info[properties_element].current_change_page = gi->selectbox.index;
10984
10985     DrawPropertiesWindow();
10986   }
10987   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
10988             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
10989            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
10990             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
10991            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
10992   {
10993     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
10994     {
10995       /* when changing action type, also check action mode and action arg */
10996       if (value_old != value_new)
10997         setSelectboxSpecialActionVariablesIfNeeded();
10998
10999       DrawPropertiesChange();
11000     }
11001
11002     CopyElementPropertiesToGame(properties_element);
11003
11004     level.changed = TRUE;
11005   }
11006 }
11007
11008 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11009 {
11010   int type_id = gi->custom_type_id;
11011   int i;
11012
11013   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11014       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11015   {
11016     edit_mode_levelinfo = gi->custom_type_id;
11017
11018     DrawLevelInfoWindow();
11019   }
11020   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11021            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11022   {
11023     edit_mode_properties = gi->custom_type_id;
11024
11025     DrawPropertiesWindow();
11026   }
11027   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11028   {
11029     char *template_filename = getDefaultLevelFilename(-1);
11030     boolean new_template = !fileExists(template_filename);
11031
11032     /* backup original "level.field" (needed to track playfield changes) */
11033     CopyPlayfield(level.field, FieldBackup);
11034
11035     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11036     CopyPlayfield(Feld, level.field);
11037
11038     if (new_template ||
11039         Request("Save this template and kill the old?", REQ_ASK))
11040       SaveLevelTemplate();
11041
11042     if (new_template)
11043       Request("Template saved!", REQ_CONFIRM);
11044
11045     /* restore original "level.field" (needed to track playfield changes) */
11046     CopyPlayfield(FieldBackup, level.field);
11047   }
11048   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11049            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11050   {
11051     struct ElementInfo *ei = &element_info[properties_element];
11052
11053     setElementChangePages(ei, ei->num_change_pages + 1);
11054
11055     /* set new change page to be new current change page */
11056     ei->current_change_page = ei->num_change_pages - 1;
11057     ei->change = &ei->change_page[ei->current_change_page];
11058
11059     setElementChangeInfoToDefaults(ei->change);
11060
11061     DrawPropertiesWindow();
11062
11063     level.changed = TRUE;
11064   }
11065   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11066            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11067   {
11068     struct ElementInfo *ei = &element_info[properties_element];
11069
11070     /* copy all change pages after change page to be deleted */
11071     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11072       ei->change_page[i] = ei->change_page[i + 1];
11073
11074     setElementChangePages(ei, ei->num_change_pages - 1);
11075
11076     DrawPropertiesWindow();
11077
11078     level.changed = TRUE;
11079   }
11080 }
11081
11082 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11083 {
11084   int type_id = gi->custom_type_id;
11085
11086   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11087       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11088   {
11089     struct ElementInfo *ei = &element_info[properties_element];
11090     int step = BUTTON_STEPSIZE(gi->event.button);
11091
11092     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11093     ei->current_change_page += step;
11094
11095     if (ei->current_change_page < 0)
11096       ei->current_change_page = 0;
11097     else if (ei->current_change_page >= ei->num_change_pages)
11098       ei->current_change_page = ei->num_change_pages - 1;
11099
11100     DrawPropertiesWindow();
11101   }
11102   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11103            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11104   {
11105     struct ElementInfo *ei = &element_info[properties_element];
11106     int current_change_page = ei->current_change_page;
11107
11108     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11109       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11110         ei->change_page[current_change_page];
11111     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11112     {
11113       ei->change_page[current_change_page] =
11114         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11115
11116       level.changed = TRUE;
11117     }
11118
11119     DrawPropertiesWindow();
11120   }
11121 }
11122
11123 static void HandleRadiobuttons(struct GadgetInfo *gi)
11124 {
11125   *radiobutton_info[gi->custom_type_id].value =
11126     radiobutton_info[gi->custom_type_id].checked_value;
11127
11128   level.changed = TRUE;
11129 }
11130
11131 static void HandleCheckbuttons(struct GadgetInfo *gi)
11132 {
11133   int type_id = gi->custom_type_id;
11134
11135   *checkbutton_info[type_id].value ^= TRUE;
11136
11137   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11138       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11139       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11140       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11141          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11142         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11143          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11144        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11145   {
11146     CopyElementPropertiesToGame(properties_element);
11147   }
11148
11149   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11150   {
11151     UpdateCustomElementGraphicGadgets();
11152   }
11153   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11154   {
11155     char *template_filename = getDefaultLevelFilename(-1);
11156
11157     if (level.use_custom_template && !fileExists(template_filename))
11158     {
11159       Request("No level template found!", REQ_CONFIRM);
11160
11161       level.use_custom_template = FALSE;
11162       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11163
11164       return;
11165     }
11166
11167     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11168
11169     DrawEditModeWindow();
11170   }
11171
11172   level.changed = TRUE;
11173 }
11174
11175 static void HandleControlButtons(struct GadgetInfo *gi)
11176 {
11177   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11178   static int last_edit_mode = ED_MODE_DRAWING;
11179   static int last_custom_copy_mode = -1;
11180   int id = gi->custom_id;
11181   int button = gi->event.button;
11182   int step = BUTTON_STEPSIZE(button);
11183   int new_element = BUTTON_ELEMENT(button);
11184   int x, y;
11185
11186   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11187     DrawLevelText(0, 0, 0, TEXT_END);
11188
11189   if (id < ED_NUM_CTRL1_BUTTONS &&
11190       id != GADGET_ID_SINGLE_ITEMS &&
11191       id != GADGET_ID_PICK_ELEMENT &&
11192       edit_mode != ED_MODE_DRAWING &&
11193       drawing_function != GADGET_ID_PICK_ELEMENT &&
11194       !(GetKeyModState() & KMOD_Control))
11195   {
11196     DrawDrawingWindow();
11197     edit_mode = ED_MODE_DRAWING;
11198   }
11199
11200   /* element copy mode active, but no element button pressed => deactivate */
11201   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11202     last_custom_copy_mode = -1;
11203
11204   switch (id)
11205   {
11206     case GADGET_ID_SCROLL_LEFT:
11207       if (level_xpos >= 0)
11208       {
11209         if (lev_fieldx < ed_fieldx - 2)
11210           break;
11211
11212         level_xpos -= step;
11213         if (level_xpos < -1)
11214           level_xpos = -1;
11215         if (button == 1)
11216           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11217         else
11218           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11219
11220         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11221                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11222       }
11223       break;
11224
11225     case GADGET_ID_SCROLL_RIGHT:
11226       if (level_xpos <= lev_fieldx - ed_fieldx)
11227       {
11228         if (lev_fieldx < ed_fieldx - 2)
11229           break;
11230
11231         level_xpos += step;
11232         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11233           level_xpos = lev_fieldx - ed_fieldx + 1;
11234         if (button == 1)
11235           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11236         else
11237           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11238
11239         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11240                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11241       }
11242       break;
11243
11244     case GADGET_ID_SCROLL_UP:
11245       if (level_ypos >= 0)
11246       {
11247         if (lev_fieldy < ed_fieldy - 2)
11248           break;
11249
11250         level_ypos -= step;
11251         if (level_ypos < -1)
11252           level_ypos = -1;
11253         if (button == 1)
11254           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11255         else
11256           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11257
11258         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11259                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11260       }
11261       break;
11262
11263     case GADGET_ID_SCROLL_DOWN:
11264       if (level_ypos <= lev_fieldy - ed_fieldy)
11265       {
11266         if (lev_fieldy < ed_fieldy - 2)
11267           break;
11268
11269         level_ypos += step;
11270         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11271           level_ypos = lev_fieldy - ed_fieldy + 1;
11272         if (button == 1)
11273           ScrollMiniLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11274         else
11275           DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11276
11277         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11278                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11279       }
11280       break;
11281
11282     case GADGET_ID_SCROLL_HORIZONTAL:
11283       level_xpos = gi->event.item_position - 1;
11284       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11285       break;
11286
11287     case GADGET_ID_SCROLL_VERTICAL:
11288       level_ypos = gi->event.item_position - 1;
11289       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11290       break;
11291
11292     case GADGET_ID_SCROLL_LIST_UP:
11293     case GADGET_ID_SCROLL_LIST_DOWN:
11294     case GADGET_ID_SCROLL_LIST_VERTICAL:
11295       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11296         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11297       else
11298       {
11299         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11300         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11301
11302         if (element_shift < 0)
11303           element_shift = 0;
11304         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11305           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11306
11307         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11308                      GDI_SCROLLBAR_ITEM_POSITION,
11309                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11310       }
11311
11312       ModifyEditorElementList();
11313
11314       break;
11315
11316     case GADGET_ID_PROPERTIES:
11317       if (edit_mode != ED_MODE_PROPERTIES)
11318       {
11319         properties_element = new_element;
11320         DrawPropertiesWindow();
11321         edit_mode = ED_MODE_PROPERTIES;
11322
11323         last_level_drawing_function = drawing_function;
11324         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11325                       MB_LEFTBUTTON);
11326       }
11327       else
11328       {
11329         DrawDrawingWindow();
11330         edit_mode = ED_MODE_DRAWING;
11331
11332         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11333                       MB_LEFTBUTTON);
11334       }
11335       break;
11336
11337     case GADGET_ID_WRAP_LEFT:
11338       WrapLevel(-step, 0);
11339       break;
11340
11341     case GADGET_ID_WRAP_RIGHT:
11342       WrapLevel(step, 0);
11343       break;
11344
11345     case GADGET_ID_WRAP_UP:
11346       WrapLevel(0, -step);
11347       break;
11348
11349     case GADGET_ID_WRAP_DOWN:
11350       WrapLevel(0, step);
11351       break;
11352
11353     case GADGET_ID_SINGLE_ITEMS:
11354     case GADGET_ID_CONNECTED_ITEMS:
11355     case GADGET_ID_LINE:
11356     case GADGET_ID_ARC:
11357     case GADGET_ID_TEXT:
11358     case GADGET_ID_RECTANGLE:
11359     case GADGET_ID_FILLED_BOX:
11360     case GADGET_ID_FLOOD_FILL:
11361     case GADGET_ID_GRAB_BRUSH:
11362     case GADGET_ID_PICK_ELEMENT:
11363       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11364         last_drawing_function = drawing_function;
11365       drawing_function = id;
11366       draw_with_brush = FALSE;
11367       break;
11368
11369     case GADGET_ID_RANDOM_PLACEMENT:
11370       RandomPlacement(new_element);
11371       break;
11372
11373     case GADGET_ID_ZOOM:
11374       printf("::: zoom button pressed with mouse button %d\n", button);
11375       break;
11376
11377     case GADGET_ID_CUSTOM_COPY_FROM:
11378     case GADGET_ID_CUSTOM_COPY_TO:
11379     case GADGET_ID_CUSTOM_EXCHANGE:
11380       last_custom_copy_mode = id;
11381       last_drawing_function = drawing_function;
11382       break;
11383
11384     case GADGET_ID_CUSTOM_COPY:
11385       CopyCustomElement(properties_element, -1, id);
11386       break;
11387
11388     case GADGET_ID_CUSTOM_PASTE:
11389       CopyCustomElement(-1, properties_element, id);
11390       break;
11391
11392     case GADGET_ID_UNDO:
11393       if (button == 1 && undo_buffer_steps == 0)
11394       {
11395         Request("Undo buffer empty!", REQ_CONFIRM);
11396
11397         break;
11398       }
11399       else if (button == 2)
11400       {
11401         break;
11402       }
11403       else if (button == 3 && redo_buffer_steps == 0)
11404       {
11405         Request("Redo buffer empty!", REQ_CONFIRM);
11406
11407         break;
11408       }
11409
11410       if (edit_mode != ED_MODE_DRAWING)
11411       {
11412         DrawDrawingWindow();
11413         edit_mode = ED_MODE_DRAWING;
11414       }
11415
11416       if (button == 1)
11417       {
11418         /* undo */
11419
11420         undo_buffer_position =
11421           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11422
11423         undo_buffer_steps--;
11424         redo_buffer_steps++;
11425       }
11426       else
11427       {
11428         /* redo */
11429
11430         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11431
11432         undo_buffer_steps++;
11433         redo_buffer_steps--;
11434       }
11435
11436       for (x = 0; x < lev_fieldx; x++)
11437         for (y = 0; y < lev_fieldy; y++)
11438           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11439
11440       /* check if undo operation forces change of border style */
11441       CheckLevelBorderElement(FALSE);
11442
11443       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11444
11445       break;
11446
11447     case GADGET_ID_INFO:
11448       if (edit_mode != ED_MODE_INFO)
11449       {
11450         last_edit_mode = edit_mode;
11451         edit_mode = ED_MODE_INFO;
11452
11453         DrawLevelInfoWindow();
11454       }
11455       else
11456       {
11457         edit_mode = last_edit_mode;
11458
11459         DrawEditModeWindow();
11460       }
11461       break;
11462
11463     case GADGET_ID_CLEAR:
11464       if (edit_mode != ED_MODE_DRAWING)
11465       {
11466         DrawDrawingWindow();
11467         edit_mode = ED_MODE_DRAWING;
11468       }
11469
11470       for (x = 0; x < MAX_LEV_FIELDX; x++)
11471         for (y = 0; y < MAX_LEV_FIELDY; y++)
11472           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11473
11474       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11475
11476       DrawMiniLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11477       break;
11478
11479     case GADGET_ID_SAVE:
11480     {
11481       /* saving read-only levels into personal level set modifies global vars
11482          "leveldir_current" and "level_nr"; restore them after saving level */
11483       LevelDirTree *leveldir_former = leveldir_current;
11484       int level_nr_former = level_nr;
11485       char *level_filename;
11486       boolean new_level;
11487
11488       if (leveldir_current->readonly &&
11489           !PrepareSavingIntoPersonalLevelSet())
11490         break;
11491
11492       level_filename = getDefaultLevelFilename(level_nr);
11493       new_level = !fileExists(level_filename);
11494
11495       if (new_level ||
11496           Request("Save this level and kill the old?", REQ_ASK))
11497       {
11498         if (leveldir_former->readonly)
11499           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11500
11501         CopyPlayfield(Feld, level.field);
11502         SaveLevel(level_nr);
11503
11504         level.changed = FALSE;
11505
11506         if (new_level)
11507         {
11508           char level_saved_msg[64];
11509
11510           if (leveldir_former->readonly)
11511             sprintf(level_saved_msg,
11512                     "Level saved as level %d into personal level set!",
11513                     level_nr);
11514           else
11515             strcpy(level_saved_msg, "Level saved!");
11516
11517           Request(level_saved_msg, REQ_CONFIRM);
11518         }
11519       }
11520
11521       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11522       leveldir_current = leveldir_former;
11523       level_nr = level_nr_former;
11524
11525       break;
11526     }
11527
11528     case GADGET_ID_TEST:
11529       if (LevelChanged())
11530         level.game_version = GAME_VERSION_ACTUAL;
11531
11532       CopyPlayfield(level.field, FieldBackup);
11533       CopyPlayfield(Feld, level.field);
11534
11535       CopyNativeLevel_RND_to_Native(&level);
11536
11537       UnmapLevelEditorGadgets();
11538       UndrawSpecialEditorDoor();
11539
11540       CloseDoor(DOOR_CLOSE_ALL);
11541
11542       /* needed before playing if editor playfield area has different size */
11543       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11544
11545       // redraw_mask = REDRAW_ALL;
11546
11547       level_editor_test_game = TRUE;
11548
11549       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11550
11551       break;
11552
11553     case GADGET_ID_EXIT:
11554       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11555       break;
11556
11557     default:
11558       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11559           id <= GADGET_ID_ELEMENTLIST_LAST)
11560       {
11561         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11562         int new_element = editor_elements[element_position + element_shift];
11563
11564         if (IS_EDITOR_CASCADE(new_element))
11565         {
11566           int i;
11567
11568           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11569           {
11570             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11571             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11572
11573             if (*cascade_element == new_element)
11574             {
11575               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11576               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11577
11578               /* update element selection list */
11579               ReinitializeElementList();
11580               ModifyEditorElementList();
11581
11582               /* update cascading gadget info text */
11583               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11584
11585               /* save current editor cascading state */
11586               SaveSetup_EditorCascade();
11587
11588               break;
11589             }
11590           }
11591
11592           break;
11593         }
11594
11595         if (last_custom_copy_mode != -1)
11596         {
11597           if (CopyCustomElement(properties_element, new_element,
11598                                 last_custom_copy_mode))
11599           {
11600             ClickOnGadget(level_editor_gadget[last_drawing_function],
11601                           MB_LEFTBUTTON);
11602
11603             last_custom_copy_mode = -1;
11604           }
11605
11606           break;
11607         }
11608
11609         PickDrawingElement(button, new_element);
11610
11611         if (!stick_element_properties_window &&
11612             drawing_function != GADGET_ID_PICK_ELEMENT &&
11613             !(GetKeyModState() & KMOD_Control))
11614         {
11615           properties_element = new_element;
11616           if (edit_mode == ED_MODE_PROPERTIES)
11617             DrawPropertiesWindow();
11618         }
11619
11620         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11621           ClickOnGadget(level_editor_gadget[last_drawing_function],
11622                         MB_LEFTBUTTON);
11623       }
11624 #ifdef DEBUG
11625       else if (gi->event.type == GD_EVENT_PRESSED)
11626         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11627       else if (gi->event.type == GD_EVENT_RELEASED)
11628         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11629       else if (gi->event.type == GD_EVENT_MOVING)
11630         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11631       else
11632         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11633 #endif
11634       break;
11635   }
11636 }
11637
11638 void HandleLevelEditorKeyInput(Key key)
11639 {
11640   char letter = getCharFromKey(key);
11641   int button = MB_LEFTBUTTON;
11642
11643   if (drawing_function == GADGET_ID_TEXT &&
11644       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11645   {
11646     if (letter)
11647       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11648     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11649       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11650     else if (key == KSYM_Return)
11651       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11652     else if (key == KSYM_Escape)
11653       DrawLevelText(0, 0, 0, TEXT_END);
11654   }
11655   else if (button_status == MB_RELEASED)
11656   {
11657     int id = GADGET_ID_NONE;
11658     int new_element_shift = element_shift;
11659     int i;
11660
11661     switch (key)
11662     {
11663       case KSYM_Left:
11664         id = GADGET_ID_SCROLL_LEFT;
11665         break;
11666       case KSYM_Right:
11667         id = GADGET_ID_SCROLL_RIGHT;
11668         break;
11669       case KSYM_Up:
11670         id = GADGET_ID_SCROLL_UP;
11671         break;
11672       case KSYM_Down:
11673         id = GADGET_ID_SCROLL_DOWN;
11674         break;
11675       case KSYM_Page_Up:
11676         id = GADGET_ID_SCROLL_LIST_UP;
11677         button = MB_RIGHTBUTTON;
11678         break;
11679       case KSYM_Page_Down:
11680         id = GADGET_ID_SCROLL_LIST_DOWN;
11681         button = MB_RIGHTBUTTON;
11682         break;
11683
11684       case KSYM_Home:
11685       case KSYM_End:
11686         element_shift = (key == KSYM_Home ? 0 :
11687                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11688
11689         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11690                      GDI_SCROLLBAR_ITEM_POSITION,
11691                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11692
11693         ModifyEditorElementList();
11694
11695         break;
11696
11697       case KSYM_Insert:
11698       case KSYM_Delete:
11699
11700         /* this is needed to prevent interference with running "True X-Mouse" */
11701         if (GetKeyModStateFromEvents() & KMOD_Control)
11702           break;
11703
11704         /* check for last or next editor cascade block in element list */
11705         for (i = 0; i < num_editor_elements; i++)
11706         {
11707           if ((key == KSYM_Insert && i == element_shift) ||
11708               (key == KSYM_Delete && new_element_shift > element_shift))
11709             break;
11710
11711           /* jump to next cascade block (or to start of element list) */
11712           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11713             new_element_shift = i;
11714         }
11715
11716         if (i < num_editor_elements)
11717           element_shift = new_element_shift;
11718
11719         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11720           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11721
11722         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11723                      GDI_SCROLLBAR_ITEM_POSITION,
11724                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11725
11726         ModifyEditorElementList();
11727
11728         break;
11729
11730       case KSYM_Escape:
11731         if (edit_mode == ED_MODE_DRAWING)
11732         {
11733           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11734         }
11735         else if (edit_mode == ED_MODE_INFO)
11736         {
11737           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11738         }
11739         else if (edit_mode == ED_MODE_PROPERTIES)
11740         {
11741           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11742         }
11743         else            /* should never happen */
11744         {
11745           DrawDrawingWindow();
11746           edit_mode = ED_MODE_DRAWING;
11747         }
11748
11749         break;
11750
11751       default:
11752         break;
11753     }
11754
11755     if (id != GADGET_ID_NONE)
11756       ClickOnGadget(level_editor_gadget[id], button);
11757     else if (letter >= '1' && letter <= '3')
11758       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11759     else if (letter == '?')
11760       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11761     else if (letter == '.')
11762       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11763     else if (letter == 'R')
11764       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
11765     else if (key == KSYM_Return ||
11766              key == KSYM_space ||
11767              key == setup.shortcut.toggle_pause)
11768       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11769     else
11770       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11771         if (letter && letter == controlbutton_info[i].shortcut)
11772           if (!anyTextGadgetActive())
11773             ClickOnGadget(level_editor_gadget[i], button);
11774   }
11775 }
11776
11777 void HandleLevelEditorIdle()
11778 {
11779   static unsigned int action_delay = 0;
11780   unsigned int action_delay_value = GameFrameDelay;
11781   int xpos = 1, ypos = 2;
11782   int i;
11783
11784   if (edit_mode != ED_MODE_PROPERTIES)
11785     return;
11786
11787   if (!DelayReached(&action_delay, action_delay_value))
11788     return;
11789
11790   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11791   {
11792     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11793
11794     if (gi->mapped && gi->active && gi->selectbox.open)
11795       return;
11796   }
11797
11798   DrawEditorElementAnimation(SX + xpos * TILEX,
11799                              SY + ypos * TILEY + MINI_TILEY / 2);
11800
11801   MarkTileDirty(xpos, ypos);
11802   MarkTileDirty(xpos, ypos + 1);
11803
11804   FrameCounter++;       /* increase animation frame counter */
11805 }
11806
11807 void ClearEditorGadgetInfoText()
11808 {
11809   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11810 }
11811
11812 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11813 {
11814   char infotext[MAX_OUTPUT_LINESIZE + 1];
11815   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11816   int max_infotext_len = getMaxInfoTextLength();
11817
11818   if (gi == NULL || gi->info_text == NULL)
11819     return;
11820
11821   strncpy(infotext, gi->info_text, max_infotext_len);
11822   infotext[max_infotext_len] = '\0';
11823
11824   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11825   {
11826     int key = controlbutton_info[gi->custom_id].shortcut;
11827
11828     if (key)
11829     {
11830       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)      /* special case 1 */
11831         sprintf(shortcut, " ('.' or '%c')", key);
11832       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT) /* special case 2 */
11833         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11834       else if (gi->custom_id == GADGET_ID_TEST)         /* special case 3 */
11835         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11836       else if (gi->custom_id == GADGET_ID_UNDO)         /* special case 4 */
11837         sprintf(shortcut, " ('Shift-%c/R')", key);
11838       else                                              /* normal case */
11839         sprintf(shortcut, " ('%s%c')",
11840                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11841
11842       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11843         strcat(infotext, shortcut);
11844     }
11845   }
11846
11847   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11848 }
11849
11850 void HandleEditorGadgetInfoText(void *ptr)
11851 {
11852   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11853
11854   if (game_status != GAME_MODE_EDITOR)
11855     return;
11856
11857   ClearEditorGadgetInfoText();
11858
11859   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11860     return;
11861
11862   /* misuse this function to delete brush cursor, if needed */
11863   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11864     DeleteBrushFromCursor();
11865
11866   PrintEditorGadgetInfoText(gi);
11867 }
11868
11869 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11870 {
11871   static int start_lx, start_ly;
11872   int id = gi->custom_id;
11873   int type_id = gi->custom_type_id;
11874   int sx = gi->event.x;
11875   int sy = gi->event.y;
11876   int lx = sx + level_xpos;
11877   int ly = sy + level_ypos;
11878   int min_sx = 0, min_sy = 0;
11879   int max_sx = gi->drawing.area_xsize - 1;
11880   int max_sy = gi->drawing.area_ysize - 1;
11881   int actual_drawing_function = drawing_function;
11882   int max_infotext_len = getMaxInfoTextLength();
11883   char infotext[MAX_OUTPUT_LINESIZE + 1];
11884   char *text;
11885
11886   infotext[0] = '\0';           /* start with empty info text */
11887
11888   /* pressed Control key: simulate picking element */
11889   if (GetKeyModState() & KMOD_Control)
11890     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11891
11892   ClearEditorGadgetInfoText();
11893
11894   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11895     return;
11896
11897   /* make sure to stay inside drawing area boundaries */
11898   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11899   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11900
11901   if (id == GADGET_ID_DRAWING_LEVEL)
11902   {
11903     if (button_status)
11904     {
11905       int min_lx = 0, min_ly = 0;
11906       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11907
11908       /* get positions inside level field */
11909       lx = sx + level_xpos;
11910       ly = sy + level_ypos;
11911
11912       /* make sure to stay inside level field boundaries */
11913       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11914       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11915
11916       /* correct drawing area positions accordingly */
11917       sx = lx - level_xpos;
11918       sy = ly - level_ypos;
11919     }
11920
11921     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
11922     {
11923       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
11924       {
11925         if (gi->event.type == GD_EVENT_PRESSED)
11926         {
11927           start_lx = lx;
11928           start_ly = ly;
11929         }
11930
11931         switch (actual_drawing_function)
11932         {
11933           case GADGET_ID_SINGLE_ITEMS:
11934             text = "Drawing single items";
11935             break;
11936           case GADGET_ID_CONNECTED_ITEMS:
11937             text = "Drawing connected items";
11938             break;
11939           case GADGET_ID_LINE:
11940             text = "Drawing line";
11941             break;
11942           case GADGET_ID_ARC:
11943             text = "Drawing arc";
11944             break;
11945           case GADGET_ID_TEXT:
11946             text = "Setting text cursor";
11947             break;
11948           case GADGET_ID_RECTANGLE:
11949             text = "Drawing rectangle";
11950             break;
11951           case GADGET_ID_FILLED_BOX:
11952             text = "Drawing filled box";
11953             break;
11954           case GADGET_ID_FLOOD_FILL:
11955             text = "Flood fill";
11956             break;
11957           case GADGET_ID_GRAB_BRUSH:
11958             text = "Grabbing brush";
11959             break;
11960           case GADGET_ID_PICK_ELEMENT:
11961             text = "Picking element";
11962             break;
11963
11964           default:
11965             text = "Drawing position";
11966             break;
11967         }
11968
11969         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11970           sprintf(infotext, "%s: %d, %d", text, lx, ly);
11971         else
11972           sprintf(infotext, "%s: %d, %d", text,
11973                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
11974       }
11975       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11976         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
11977       else
11978         sprintf(infotext, "Level position: %d, %d", lx, ly);
11979     }
11980
11981     /* misuse this function to draw brush cursor, if needed */
11982     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
11983     {
11984       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11985         CopyBrushToCursor(sx, sy);
11986       else
11987         DeleteBrushFromCursor();
11988     }
11989   }
11990   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
11991   {
11992     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11993     int element = drawingarea_info[type_id].value[pos];
11994
11995     strncpy(infotext, getElementInfoText(element), max_infotext_len);
11996   }
11997   else
11998   {
11999     if (id == GADGET_ID_CUSTOM_CONTENT)
12000       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12001     else if (id == GADGET_ID_GROUP_CONTENT)
12002       sprintf(infotext, "group element position: %d", sx + 1);
12003     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12004              id <= GADGET_ID_YAMYAM_CONTENT_7)
12005       sprintf(infotext, "content area %d position: %d, %d",
12006               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12007     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12008              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12009       sprintf(infotext, "content area %d position: %d, %d",
12010               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12011     else if (id == GADGET_ID_ANDROID_CONTENT)
12012       sprintf(infotext, "android element position: %d", sx + 1);
12013     else if (drawingarea_info[type_id].infotext != NULL)
12014       strcpy(infotext, drawingarea_info[type_id].infotext);
12015   }
12016
12017   infotext[max_infotext_len] = '\0';
12018
12019   if (strlen(infotext) > 0)
12020     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
12021 }
12022
12023 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12024                             boolean quick_quit)
12025 {
12026   if (!ask_if_level_has_changed ||
12027       !LevelChanged() ||
12028       Request("Level has changed! Exit without saving?",
12029               REQ_ASK | REQ_STAY_OPEN))
12030   {
12031     SetDoorState(DOOR_CLOSE_2);
12032
12033     if (quick_quit)
12034       FadeSkipNextFadeIn();
12035
12036     game_status = GAME_MODE_MAIN;
12037
12038     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
12039   }
12040   else
12041   {
12042     if (!global.use_envelope_request)
12043     {
12044       CloseDoor(DOOR_CLOSE_1);
12045       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12046     }
12047   }
12048 }