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_TILEY
 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                  (64 + 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 /* default value for element tile size in drawing area */
 940 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
 941
 942
 943 /*
 944   -----------------------------------------------------------------------------
 945   some internally used data structure definitions
 946   -----------------------------------------------------------------------------
 947 */
 948
 949 static struct
 950 {
 951   int graphic;
 952   int gadget_id;
 953   struct XY *pos;
 954   int gadget_type;
 955   char *infotext;
 956   char shortcut;
 957 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
 958 {
 959   /* note: some additional characters are already reserved for "cheat mode"
 960      shortcuts (":XYZ" style) -- for details, see "events.c" */
 961
 962   /* ---------- toolbox control buttons ------------------------------------ */
 963
 964   {
 965     IMG_EDITOR_BUTTON_GFX_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
 966     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
 967     "draw single items",                        's'
 968   },
 969   {
 970     IMG_EDITOR_BUTTON_GFX_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
 971     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
 972     "draw connected items",                     'd'
 973   },
 974   {
 975     IMG_EDITOR_BUTTON_GFX_DRAW_LINE,            GADGET_ID_LINE,
 976     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
 977     "draw lines",                               'l'
 978   },
 979   {
 980     IMG_EDITOR_BUTTON_GFX_DRAW_ARC,             GADGET_ID_ARC,
 981     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
 982     "draw arcs",                                'a'
 983   },
 984   {
 985     IMG_EDITOR_BUTTON_GFX_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
 986     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
 987     "draw outline rectangles",                  'r'
 988   },
 989   {
 990     IMG_EDITOR_BUTTON_GFX_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
 991     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
 992     "draw filled rectangles",                   'R'
 993   },
 994   {
 995     IMG_EDITOR_BUTTON_GFX_ROTATE_UP,            GADGET_ID_WRAP_UP,
 996     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
 997     "wrap (rotate) level up",                   0
 998   },
 999   {
1000     IMG_EDITOR_BUTTON_GFX_DRAW_TEXT,            GADGET_ID_TEXT,
1001     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1002     "enter text elements",                      't'
1003   },
1004   {
1005     IMG_EDITOR_BUTTON_GFX_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1006     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1007     "flood fill",                               'f'
1008   },
1009   {
1010     IMG_EDITOR_BUTTON_GFX_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1011     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1012     "wrap (rotate) level left",                 0
1013   },
1014   {
1015     IMG_EDITOR_BUTTON_GFX_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1016     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1017     "zoom level tile size",                     '-'
1018   },
1019   {
1020     IMG_EDITOR_BUTTON_GFX_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1021     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1022     "wrap (rotate) level right",                0
1023   },
1024   {
1025     IMG_EDITOR_BUTTON_GFX_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1026     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1027     "random element placement",                 0
1028   },
1029   {
1030     IMG_EDITOR_BUTTON_GFX_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1031     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1032     "grab brush",                               'b'
1033   },
1034   {
1035     IMG_EDITOR_BUTTON_GFX_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1036     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1037     "wrap (rotate) level down",                 0
1038   },
1039   {
1040     IMG_EDITOR_BUTTON_GFX_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1041     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1042     "pick drawing element",                     ','
1043   },
1044
1045   /* ---------- level control buttons -------------------------------------- */
1046
1047   {
1048     IMG_EDITOR_BUTTON_GFX_UNDO,                 GADGET_ID_UNDO,
1049     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1050     "undo/redo last operation",                 'U'
1051   },
1052   {
1053     IMG_EDITOR_BUTTON_GFX_CONF,                 GADGET_ID_INFO,
1054     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1055     "properties of level",                      'I'
1056   },
1057   {
1058     IMG_EDITOR_BUTTON_GFX_SAVE,                 GADGET_ID_SAVE,
1059     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1060     "save level",                               'S'
1061   },
1062   {
1063     IMG_EDITOR_BUTTON_GFX_CLEAR,                GADGET_ID_CLEAR,
1064     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1065     "clear level",                              'C'
1066   },
1067   {
1068     IMG_EDITOR_BUTTON_GFX_TEST,                 GADGET_ID_TEST,
1069     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1070     "test level",                               'T'
1071   },
1072   {
1073     IMG_EDITOR_BUTTON_GFX_EXIT,                 GADGET_ID_EXIT,
1074     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1075     "exit level editor",                        'E'
1076   },
1077
1078   /* ---------- CE and GE control buttons ---------------------------------- */
1079
1080   {
1081     IMG_EDITOR_BUTTON_GFX_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1082     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1083     "copy settings from other element",         0
1084   },
1085   {
1086     IMG_EDITOR_BUTTON_GFX_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1087     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1088     "copy settings to other element",           0
1089   },
1090   {
1091     IMG_EDITOR_BUTTON_GFX_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1092     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1093     "exchange element with other element",      0
1094   },
1095   {
1096     IMG_EDITOR_BUTTON_GFX_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1097     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1098     "copy settings from this element",          0
1099   },
1100   {
1101     IMG_EDITOR_BUTTON_GFX_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1102     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1103     "paste settings to this element",           0
1104   },
1105
1106   /* ---------- palette control buttons ------------------------------------ */
1107
1108   {
1109     IMG_EDITOR_BUTTON_GFX_PROPERTIES,           GADGET_ID_PROPERTIES,
1110     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1111     "properties of drawing element",            'p'
1112   }
1113 };
1114
1115 static int random_placement_value = 10;
1116 static int random_placement_method = RANDOM_USE_QUANTITY;
1117 static int random_placement_background_element = EL_SAND;
1118 static boolean random_placement_background_restricted = FALSE;
1119 static boolean stick_element_properties_window = FALSE;
1120 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1121 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1122 static struct ElementChangeInfo custom_element_change;
1123 static struct ElementGroupInfo group_element_info;
1124 static struct ElementInfo custom_element;
1125
1126 static struct
1127 {
1128   int x, y;
1129   int min_value, max_value;
1130   int gadget_id_down, gadget_id_up;
1131   int gadget_id_text;
1132   int gadget_id_align;
1133   int *value;
1134   char *text_above, *text_left, *text_right;
1135 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1136 {
1137   /* ---------- current level number --------------------------------------- */
1138
1139   {
1140     -1, -1,     /* these values are not constant, but can change at runtime */
1141     1,                                  100,
1142     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1143     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1144     &level_nr,
1145     NULL,                               NULL, NULL
1146   },
1147
1148   /* ---------- level and editor settings ---------------------------------- */
1149
1150   {
1151     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1152     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1153     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1154     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1155     &level.fieldx,
1156     "playfield size:",                  NULL, "width",
1157   },
1158   {
1159     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1160     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1161     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1162     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1163     &level.fieldy,
1164     NULL,                               " ", "height",
1165   },
1166   {
1167     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1168     0,                                  999,
1169     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1170     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1171     &level.gems_needed,
1172     NULL,                               "number of gems to collect:", NULL
1173   },
1174   {
1175     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1176     0,                                  9999,
1177     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1178     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1179     &level.time,
1180     "time or step limit to solve level:", NULL, NULL
1181   },
1182   {
1183     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1184     0,                                  999,
1185     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1186     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1187     &level.score[SC_TIME_BONUS],
1188     "score for each second/step left:", NULL, NULL
1189   },
1190   {
1191     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1192     0,                                  9999,
1193     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1194     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1195     &level.random_seed,
1196     NULL,                               "random seed:", "(0 => random)"
1197   },
1198   {
1199     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1200     1,                                  100,
1201     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1202     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1203     &random_placement_value,
1204     "random element placement:",        NULL, "in"
1205   },
1206
1207   /* ---------- element settings: configure (various elements) ------------- */
1208
1209   {
1210     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1211     MIN_SCORE,                          MAX_SCORE,
1212     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1213     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1214     NULL,                               /* will be set when used */
1215     NULL,                               NULL, NULL
1216   },
1217   {
1218     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1219     MIN_SCORE,                          MAX_SCORE,
1220     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1221     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1222     NULL,                               /* will be set when used */
1223     NULL,                               NULL, NULL
1224   },
1225   {
1226     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1227     MIN_SCORE,                          MAX_SCORE,
1228     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1229     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1230     NULL,                               /* will be set when used */
1231     NULL,                               NULL, NULL
1232   },
1233   {
1234     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1235     MIN_SCORE,                          MAX_SCORE,
1236     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1237     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1238     NULL,                               /* will be set when used */
1239     NULL,                               NULL, NULL
1240   },
1241   {
1242     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1243     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1244     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1245     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1246     &level.num_yamyam_contents,
1247     NULL,                               NULL, "number of content areas"
1248   },
1249   {
1250     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1251     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1252     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1253     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1254     &level.num_ball_contents,
1255     NULL,                               NULL, "number of content areas"
1256   },
1257   {
1258     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1259     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1260     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1261     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1262     &level.num_android_clone_elements,
1263     NULL,                               NULL, "number of clonable elements"
1264   },
1265   {
1266     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1267     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1268     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1269     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1270     NULL,                               /* will be set when used */
1271     NULL,                               NULL, "width",
1272   },
1273   {
1274     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1275     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1276     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1277     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1278     NULL,                               /* will be set when used */
1279     NULL,                               " ", "height",
1280   },
1281   {
1282     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1283     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1284     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1285     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1286     &level.initial_inventory_size[0],
1287     NULL,                               NULL, "number of inventory elements"
1288   },
1289
1290   /* ---------- element settings: configure 1 (custom elements) ------------ */
1291
1292   {
1293     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1294     MIN_SCORE,                          MAX_SCORE,
1295     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1296     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1297     &custom_element.collect_score_initial,
1298     NULL,                               "CE score", " "
1299   },
1300   {
1301     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1302     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1303     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1304     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1305     &custom_element.collect_count_initial,
1306     NULL,                               "CE count", NULL
1307   },
1308   {
1309     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1310     0,                                  9999,
1311     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1312     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1313     &custom_element.ce_value_fixed_initial,
1314     NULL,                               "CE value", NULL
1315   },
1316   {
1317     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1318     0,                                  9999,
1319     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1320     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1321     &custom_element.ce_value_random_initial,
1322     NULL,                               "+random", NULL
1323   },
1324   {
1325     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1326     0,                                  999,
1327     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1328     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1329     &custom_element.push_delay_fixed,
1330     NULL,                               "push delay", NULL
1331   },
1332   {
1333     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1334     0,                                  999,
1335     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1336     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1337     &custom_element.push_delay_random,
1338     NULL,                               "+random", NULL
1339   },
1340   {
1341     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1342     0,                                  999,
1343     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1344     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1345     &custom_element.drop_delay_fixed,
1346     NULL,                               "drop delay", NULL
1347   },
1348   {
1349     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1350     0,                                  999,
1351     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1352     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1353     &custom_element.drop_delay_random,
1354     NULL,                               "+random", NULL
1355   },
1356
1357   /* ---------- element settings: configure 2 (custom elements) ------------ */
1358
1359   {
1360     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1361     0,                                  999,
1362     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1363     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1364     &custom_element.move_delay_fixed,
1365     NULL,                               "move delay", NULL
1366   },
1367   {
1368     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1369     0,                                  999,
1370     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1371     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1372     &custom_element.move_delay_random,
1373     NULL,                               "+random", NULL
1374   },
1375   {
1376     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1377     0,                                  999,
1378     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1379     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1380     &custom_element.explosion_delay,
1381     NULL,                               "explosion delay", NULL
1382   },
1383   {
1384     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1385     0,                                  999,
1386     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1387     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1388     &custom_element.ignition_delay,
1389     NULL,                               "ignition delay", "(by fire)"
1390   },
1391
1392   /* ---------- element settings: configure (group elements) --------------- */
1393
1394   {
1395     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1396     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1397     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1398     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1399     &group_element_info.num_elements,
1400     NULL,                               NULL, "number of elements in group"
1401   },
1402
1403   /* ---------- element settings: advanced (custom elements) --------------- */
1404
1405   {
1406     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1407     0,                                  999,
1408     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1409     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1410     &custom_element_change.delay_fixed,
1411     NULL,                               "CE delay", NULL,
1412   },
1413   {
1414     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1415     0,                                  999,
1416     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1417     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1418     &custom_element_change.delay_random,
1419     NULL,                               "+random", NULL
1420   },
1421   {
1422     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1423     0,                                  100,
1424     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1425     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1426     &custom_element_change.random_percentage,
1427     NULL,                               "use random replace:", "%"
1428   },
1429 };
1430
1431 static struct
1432 {
1433   int x, y;
1434   int gadget_id;
1435   int size;
1436   char *value;
1437   char *text_above, *infotext;
1438 } textinput_info[ED_NUM_TEXTINPUT] =
1439 {
1440   {
1441     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1442     GADGET_ID_LEVEL_NAME,
1443     MAX_LEVEL_NAME_LEN,
1444     level.name,
1445     "Title:", "Title"
1446   },
1447   {
1448     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1449     GADGET_ID_LEVEL_AUTHOR,
1450     MAX_LEVEL_AUTHOR_LEN,
1451     level.author,
1452     "Author:", "Author"
1453   },
1454   {
1455     5 * MINI_TILEX - 2,                 5 * MINI_TILEY - ED_BORDER_SIZE + 1,
1456     GADGET_ID_ELEMENT_NAME,
1457     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1458     custom_element.description,
1459     NULL, "Element name"
1460   }
1461 };
1462
1463 static struct
1464 {
1465   int x, y;
1466   int gadget_id;
1467   int xsize, ysize;
1468   char *value;
1469   char *text_above, *infotext;
1470 } textarea_info[ED_NUM_TEXTAREAS] =
1471 {
1472   {
1473     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1474     GADGET_ID_ENVELOPE_INFO,
1475     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1476     NULL,
1477     "Envelope Content:", "Envelope Content"
1478   }
1479 };
1480
1481 static struct ValueTextInfo options_time_or_steps[] =
1482 {
1483   { 0,                          "seconds"                       },
1484   { 1,                          "steps"                         },
1485
1486   { -1,                         NULL                            }
1487 };
1488
1489 static struct ValueTextInfo options_game_engine_type[] =
1490 {
1491   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1492   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1493   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1494
1495   { -1,                         NULL                            }
1496 };
1497
1498 static struct ValueTextInfo options_wind_direction[] =
1499 {
1500   { MV_START_NONE,              "none"                          },
1501   { MV_START_LEFT,              "left"                          },
1502   { MV_START_RIGHT,             "right"                         },
1503   { MV_START_UP,                "up"                            },
1504   { MV_START_DOWN,              "down"                          },
1505
1506   { -1,                         NULL                            }
1507 };
1508
1509 static struct ValueTextInfo options_player_speed[] =
1510 {
1511   { 0,                          "frozen"                        },
1512   { 1,                          "very slow"                     },
1513   { 2,                          "slow"                          },
1514   { 4,                          "normal"                        },
1515   { 8,                          "fast"                          },
1516   { 16,                         "very fast"                     },
1517   { 32,                         "ultrafast"                     },
1518
1519   { -1,                         NULL                            }
1520 };
1521
1522 static struct ValueTextInfo options_access_type[] =
1523 {
1524   { EP_WALKABLE,                "walkable"                      },
1525   { EP_PASSABLE,                "passable"                      },
1526
1527   { -1,                         NULL                            }
1528 };
1529
1530 static struct ValueTextInfo options_access_layer[] =
1531 {
1532   { EP_ACCESSIBLE_OVER,         "over"                          },
1533   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1534   { EP_ACCESSIBLE_UNDER,        "under"                         },
1535
1536   { -1,                         NULL                            }
1537 };
1538
1539 static struct ValueTextInfo options_access_protected[] =
1540 {
1541   { 0,                          "unprotected"                   },
1542   { 1,                          "protected"                     },
1543
1544   { -1,                         NULL                            }
1545 };
1546
1547 static struct ValueTextInfo options_access_direction[] =
1548 {
1549   { MV_NO_DIRECTION,            "no direction"                  },
1550   { MV_LEFT,                    "left"                          },
1551   { MV_RIGHT,                   "right"                         },
1552   { MV_UP,                      "up"                            },
1553   { MV_DOWN,                    "down"                          },
1554   { MV_LEFT  | MV_UP,           "left + up"                     },
1555   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1556   { MV_RIGHT | MV_UP,           "right + up"                    },
1557   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1558   { MV_HORIZONTAL,              "horizontal"                    },
1559   { MV_VERTICAL,                "vertical"                      },
1560   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1561   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1562   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1563   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1564   { MV_ALL_DIRECTIONS,          "all directions"                },
1565
1566   { -1,                         NULL                            }
1567 };
1568
1569 static struct ValueTextInfo options_walk_to_action[] =
1570 {
1571   { EP_DIGGABLE,                "diggable"                      },
1572   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1573   { EP_DROPPABLE,               "collectible & droppable"       },
1574   { EP_THROWABLE,               "collectible & throwable"       },
1575   { EP_PUSHABLE,                "pushable"                      },
1576
1577   { -1,                         NULL                            }
1578 };
1579
1580 static struct ValueTextInfo options_move_pattern[] =
1581 {
1582   { MV_LEFT,                    "left"                          },
1583   { MV_RIGHT,                   "right"                         },
1584   { MV_UP,                      "up"                            },
1585   { MV_DOWN,                    "down"                          },
1586   { MV_HORIZONTAL,              "horizontal"                    },
1587   { MV_VERTICAL,                "vertical"                      },
1588   { MV_ALL_DIRECTIONS,          "all directions"                },
1589   { MV_WIND_DIRECTION,          "wind direction"                },
1590   { MV_TOWARDS_PLAYER,          "towards player"                },
1591   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1592   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1593   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1594   { MV_TURNING_LEFT,            "turning left"                  },
1595   { MV_TURNING_RIGHT,           "turning right"                 },
1596   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1597   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1598   { MV_TURNING_RANDOM,          "turning random"                },
1599   { MV_MAZE_RUNNER,             "maze runner style"             },
1600   { MV_MAZE_HUNTER,             "maze hunter style"             },
1601   { MV_WHEN_PUSHED,             "when pushed"                   },
1602   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1603
1604   { -1,                         NULL                            }
1605 };
1606
1607 static struct ValueTextInfo options_move_direction[] =
1608 {
1609   { MV_START_AUTOMATIC,         "automatic"                     },
1610   { MV_START_LEFT,              "left"                          },
1611   { MV_START_RIGHT,             "right"                         },
1612   { MV_START_UP,                "up"                            },
1613   { MV_START_DOWN,              "down"                          },
1614   { MV_START_RANDOM,            "random"                        },
1615   { MV_START_PREVIOUS,          "previous"                      },
1616
1617   { -1,                         NULL                            }
1618 };
1619
1620 static struct ValueTextInfo options_move_stepsize[] =
1621 {
1622   { 0,                          "not moving"                    },
1623   { 1,                          "very slow"                     },
1624   { 2,                          "slow"                          },
1625   { 4,                          "normal"                        },
1626   { 8,                          "fast"                          },
1627   { 16,                         "very fast"                     },
1628   { 32,                         "even faster"                   },
1629
1630   { -1,                         NULL                            }
1631 };
1632
1633 static struct ValueTextInfo options_move_leave_type[] =
1634 {
1635   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1636   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1637
1638   { -1,                         NULL                            }
1639 };
1640
1641 static struct ValueTextInfo options_smash_targets[] =
1642 {
1643   { EP_CAN_SMASH_PLAYER,        "player"                        },
1644 #if 0
1645   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1646 #endif
1647   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1648
1649   { -1,                         NULL                            }
1650 };
1651
1652 static struct ValueTextInfo options_slippery_type[] =
1653 {
1654   { SLIPPERY_ANY_RANDOM,        "random"                        },
1655   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1656   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1657   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1658   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1659
1660   { -1,                         NULL                            }
1661 };
1662
1663 static struct ValueTextInfo options_deadliness[] =
1664 {
1665   { EP_DONT_RUN_INTO,           "running into"                  },
1666   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1667   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1668   { EP_DONT_TOUCH,              "touching"                      },
1669
1670   { -1,                         NULL                            }
1671 };
1672
1673 static struct ValueTextInfo options_explosion_type[] =
1674 {
1675   { EXPLODES_3X3,               "3x3"                           },
1676   { EXPLODES_CROSS,             "3+3"                           },
1677   { EXPLODES_1X1,               "1x1"                           },
1678
1679   { -1,                         NULL                            }
1680 };
1681
1682 static struct ValueTextInfo options_time_units[] =
1683 {
1684   { 1,                          "frames"                        },
1685   { FRAMES_PER_SECOND,          "seconds"                       },
1686
1687   { -1,                         NULL                            }
1688 };
1689
1690 static struct ValueTextInfo options_change_direct_action[] =
1691 {
1692   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1693   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1694   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1695   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1696   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1697   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1698   { CE_LEFT_BY_PLAYER,          "left by player"                },
1699   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1700   { CE_SWITCHED,                "switched"                      },
1701   { CE_HITTING_SOMETHING,       "hitting something"             },
1702   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1703 #if 0
1704   { CE_BLOCKED,                 "blocked"                       },
1705 #endif
1706   { CE_IMPACT,                  "impact (on something)"         },
1707   { CE_SMASHED,                 "smashed (from above)"          },
1708 #if 0
1709   { CE_VALUE_CHANGES,           "CE value changes"              },
1710   { CE_SCORE_CHANGES,           "CE score changes"              },
1711 #endif
1712   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1713   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1714
1715   { -1,                         NULL                            }
1716 };
1717
1718 static struct ValueTextInfo options_change_other_action[] =
1719 {
1720   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1721   { CE_PLAYER_PRESSES_X,        "player presses"                },
1722   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1723   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1724   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1725   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1726   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1727   { CE_PLAYER_DIGS_X,           "player digs"                   },
1728   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1729   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1730   { CE_TOUCHING_X,              "touching"                      },
1731   { CE_HITTING_X,               "hitting"                       },
1732   { CE_DIGGING_X,               "digging"                       },
1733   { CE_HIT_BY_X,                "hit by"                        },
1734   { CE_SWITCH_OF_X,             "switch of"                     },
1735   { CE_CHANGE_OF_X,             "change by page of"             },
1736   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1737   { CE_MOVE_OF_X,               "move of"                       },
1738   { CE_CREATION_OF_X,           "creation of"                   },
1739   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1740   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1741   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1742   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1743
1744   { -1,                         NULL                            }
1745 };
1746
1747 static struct ValueTextInfo options_change_trigger_side[] =
1748 {
1749   { CH_SIDE_LEFT,               "left"                          },
1750   { CH_SIDE_RIGHT,              "right"                         },
1751   { CH_SIDE_TOP,                "top"                           },
1752   { CH_SIDE_BOTTOM,             "bottom"                        },
1753   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1754   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1755   { CH_SIDE_ANY,                "any"                           },
1756
1757   { -1,                         NULL                            }
1758 };
1759
1760 static struct ValueTextInfo options_change_trigger_player[] =
1761 {
1762   { CH_PLAYER_1,                "1"                             },
1763   { CH_PLAYER_2,                "2"                             },
1764   { CH_PLAYER_3,                "3"                             },
1765   { CH_PLAYER_4,                "4"                             },
1766   { CH_PLAYER_ANY,              "any"                           },
1767
1768   { -1,                         NULL                            }
1769 };
1770
1771 static struct ValueTextInfo options_change_trigger_page[] =
1772 {
1773   { (1 << 0),                   "1"                             },
1774   { (1 << 1),                   "2"                             },
1775   { (1 << 2),                   "3"                             },
1776   { (1 << 3),                   "4"                             },
1777   { (1 << 4),                   "5"                             },
1778   { (1 << 5),                   "6"                             },
1779   { (1 << 6),                   "7"                             },
1780   { (1 << 7),                   "8"                             },
1781   { (1 << 8),                   "9"                             },
1782   { (1 << 9),                   "10"                            },
1783   { (1 << 10),                  "11"                            },
1784   { (1 << 11),                  "12"                            },
1785   { (1 << 12),                  "13"                            },
1786   { (1 << 13),                  "14"                            },
1787   { (1 << 14),                  "15"                            },
1788   { (1 << 15),                  "16"                            },
1789   { (1 << 16),                  "17"                            },
1790   { (1 << 17),                  "18"                            },
1791   { (1 << 18),                  "19"                            },
1792   { (1 << 19),                  "20"                            },
1793   { (1 << 20),                  "21"                            },
1794   { (1 << 21),                  "22"                            },
1795   { (1 << 22),                  "23"                            },
1796   { (1 << 23),                  "24"                            },
1797   { (1 << 24),                  "25"                            },
1798   { (1 << 25),                  "26"                            },
1799   { (1 << 26),                  "27"                            },
1800   { (1 << 27),                  "28"                            },
1801   { (1 << 28),                  "29"                            },
1802   { (1 << 29),                  "30"                            },
1803   { (1 << 30),                  "31"                            },
1804   { (1 << 31),                  "32"                            },
1805   { CH_PAGE_ANY,                "any"                           },
1806
1807   { -1,                         NULL                            }
1808 };
1809
1810 static struct ValueTextInfo options_change_replace_when[] =
1811 {
1812   { CP_WHEN_EMPTY,              "empty"                         },
1813   { CP_WHEN_WALKABLE,           "walkable"                      },
1814   { CP_WHEN_DIGGABLE,           "diggable"                      },
1815   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1816   { CP_WHEN_REMOVABLE,          "removable"                     },
1817   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1818
1819   { -1,                         NULL                            }
1820 };
1821
1822 static struct ValueTextInfo options_action_type[] =
1823 {
1824   { CA_NO_ACTION,               "no action"                     },
1825   { CA_UNDEFINED,               " "                             },
1826   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1827   { CA_RESTART_LEVEL,           "restart level"                 },
1828   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1829   { CA_SET_LEVEL_TIME,          "set time"                      },
1830   { CA_SET_LEVEL_SCORE,         "set score"                     },
1831   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1832   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1833   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1834   { CA_UNDEFINED,               " "                             },
1835   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1836   { CA_MOVE_PLAYER,             "move player"                   },
1837   { CA_EXIT_PLAYER,             "exit player"                   },
1838   { CA_KILL_PLAYER,             "kill player"                   },
1839   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1840   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1841   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1842   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1843   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1844   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1845   { CA_UNDEFINED,               " "                             },
1846   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1847   { CA_SET_CE_VALUE,            "set CE value"                  },
1848   { CA_SET_CE_SCORE,            "set CE score"                  },
1849   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1850   { CA_UNDEFINED,               " "                             },
1851   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1852   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1853
1854   { -1,                         NULL                            }
1855 };
1856
1857 static struct ValueTextInfo options_action_mode_none[] =
1858 {
1859   { CA_MODE_UNDEFINED,          " "                             },
1860
1861   { -1,                         NULL                            }
1862 };
1863
1864 static struct ValueTextInfo options_action_mode_assign[] =
1865 {
1866   { CA_MODE_SET,                "="                             },
1867
1868   { -1,                         NULL                            }
1869 };
1870
1871 static struct ValueTextInfo options_action_mode_add_remove[] =
1872 {
1873   { CA_MODE_ADD,                "+"                             },
1874   { CA_MODE_SUBTRACT,           "-"                             },
1875
1876   { -1,                         NULL                            }
1877 };
1878
1879 static struct ValueTextInfo options_action_mode_calculate[] =
1880 {
1881   { CA_MODE_SET,                "="                             },
1882   { CA_MODE_ADD,                "+"                             },
1883   { CA_MODE_SUBTRACT,           "-"                             },
1884   { CA_MODE_MULTIPLY,           "*"                             },
1885   { CA_MODE_DIVIDE,             "/"                             },
1886   { CA_MODE_MODULO,             "%"                             },
1887
1888   { -1,                         NULL                            }
1889 };
1890
1891 static struct ValueTextInfo options_action_arg_none[] =
1892 {
1893   { CA_ARG_UNDEFINED,           "         "                     },
1894
1895   { -1,                         NULL                            }
1896 };
1897
1898 static struct ValueTextInfo options_action_arg_player[] =
1899 {
1900   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1901   { CA_ARG_PLAYER_1,            "1"                             },
1902   { CA_ARG_PLAYER_2,            "2"                             },
1903   { CA_ARG_PLAYER_3,            "3"                             },
1904   { CA_ARG_PLAYER_4,            "4"                             },
1905   { CA_ARG_PLAYER_ANY,          "any"                           },
1906   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1907   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1908
1909   { -1,                         NULL                            }
1910 };
1911
1912 static struct ValueTextInfo options_action_arg_number[] =
1913 {
1914   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1915   { CA_ARG_0,                   "0"                             },
1916   { CA_ARG_1,                   "1"                             },
1917   { CA_ARG_2,                   "2"                             },
1918   { CA_ARG_3,                   "3"                             },
1919   { CA_ARG_4,                   "4"                             },
1920   { CA_ARG_5,                   "5"                             },
1921   { CA_ARG_10,                  "10"                            },
1922   { CA_ARG_100,                 "100"                           },
1923   { CA_ARG_1000,                "1000"                          },
1924   { CA_ARG_UNDEFINED,           " "                             },
1925   { CA_ARG_NUMBER_MIN,          "min"                           },
1926   { CA_ARG_NUMBER_MAX,          "max"                           },
1927   { CA_ARG_UNDEFINED,           " "                             },
1928   { CA_ARG_NUMBER_RESET,        "reset"                         },
1929   { CA_ARG_UNDEFINED,           " "                             },
1930   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1931   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1932   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1933   { CA_ARG_UNDEFINED,           " "                             },
1934   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1935   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1936   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1937   { CA_ARG_UNDEFINED,           " "                             },
1938   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1939   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1940   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1941   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1942   { CA_ARG_UNDEFINED,           " "                             },
1943   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1944   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1945   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1946   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1947
1948   { -1,                         NULL                            }
1949 };
1950
1951 static struct ValueTextInfo options_action_arg_value[] =
1952 {
1953   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1954   { CA_ARG_0,                   "0"                             },
1955   { CA_ARG_1,                   "1"                             },
1956   { CA_ARG_2,                   "2"                             },
1957   { CA_ARG_3,                   "3"                             },
1958   { CA_ARG_4,                   "4"                             },
1959   { CA_ARG_5,                   "5"                             },
1960   { CA_ARG_10,                  "10"                            },
1961   { CA_ARG_100,                 "100"                           },
1962   { CA_ARG_1000,                "1000"                          },
1963   { CA_ARG_UNDEFINED,           " "                             },
1964   { CA_ARG_NUMBER_MIN,          "min"                           },
1965   { CA_ARG_NUMBER_MAX,          "max"                           },
1966   { CA_ARG_UNDEFINED,           " "                             },
1967   { CA_ARG_NUMBER_RESET,        "reset"                         },
1968   { CA_ARG_UNDEFINED,           " "                             },
1969   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1970   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1971   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1972   { CA_ARG_UNDEFINED,           " "                             },
1973   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1974   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1975   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1976   { CA_ARG_UNDEFINED,           " "                             },
1977   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1978   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1979   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1980   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1981   { CA_ARG_UNDEFINED,           " "                             },
1982   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1983   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1984   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1985   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1986   { CA_ARG_UNDEFINED,           " "                             },
1987   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
1988   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
1989   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
1990   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
1991
1992   { -1,                         NULL                            }
1993 };
1994
1995 static struct ValueTextInfo options_action_arg_envelope[] =
1996 {
1997   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1998   { CA_ARG_1,                   "1"                             },
1999   { CA_ARG_2,                   "2"                             },
2000   { CA_ARG_3,                   "3"                             },
2001   { CA_ARG_4,                   "4"                             },
2002   { CA_ARG_UNDEFINED,           " "                             },
2003   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2004   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2005   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2006   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2007
2008   { -1,                         NULL                            }
2009 };
2010
2011 static struct ValueTextInfo options_action_arg_key[] =
2012 {
2013   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2014   { CA_ARG_1,                   "1"                             },
2015   { CA_ARG_2,                   "2"                             },
2016   { CA_ARG_3,                   "3"                             },
2017   { CA_ARG_4,                   "4"                             },
2018   { CA_ARG_5,                   "5"                             },
2019   { CA_ARG_6,                   "6"                             },
2020   { CA_ARG_7,                   "7"                             },
2021   { CA_ARG_8,                   "8"                             },
2022   { CA_ARG_UNDEFINED,           " "                             },
2023   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2024   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2025   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2026   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2027
2028   { -1,                         NULL                            }
2029 };
2030
2031 static struct ValueTextInfo options_action_arg_speed[] =
2032 {
2033   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2034   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2035   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2036   { CA_ARG_SPEED_SLOW,          "slow"                          },
2037   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2038   { CA_ARG_SPEED_FAST,          "fast"                          },
2039   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2040   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2041   { CA_ARG_UNDEFINED,           " "                             },
2042   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2043   { CA_ARG_SPEED_FASTER,        "faster"                        },
2044   { CA_ARG_UNDEFINED,           " "                             },
2045   { CA_ARG_SPEED_RESET,         "reset"                         },
2046
2047   { -1,                         NULL                            }
2048 };
2049
2050 static struct ValueTextInfo options_action_arg_shield[] =
2051 {
2052   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2053   { CA_ARG_SHIELD_OFF,          "off"                           },
2054   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2055   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2056
2057   { -1,                         NULL                            }
2058 };
2059
2060 static struct ValueTextInfo options_action_arg_artwork[] =
2061 {
2062   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2063   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2064   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2065   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2066   { CA_ARG_UNDEFINED,           " "                             },
2067   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2068
2069   { -1,                         NULL                            }
2070 };
2071
2072 static struct ValueTextInfo options_action_arg_gravity[] =
2073 {
2074   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2075   { CA_ARG_GRAVITY_ON,          "on"                            },
2076   { CA_ARG_GRAVITY_OFF,         "off"                           },
2077   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2078
2079   { -1,                         NULL                            }
2080 };
2081
2082 static struct ValueTextInfo options_action_arg_direction[] =
2083 {
2084   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2085   { CA_ARG_DIRECTION_NONE,      "none"                          },
2086   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2087   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2088   { CA_ARG_DIRECTION_UP,        "up"                            },
2089   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2090   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2091   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2092
2093   { -1,                         NULL                            }
2094 };
2095
2096 static struct ValueTextInfo options_action_arg_scan_mode[] =
2097 {
2098   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2099   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2100   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2101
2102   { -1,                         NULL                            }
2103 };
2104
2105 static struct ValueTextInfo options_action_arg_inventory[] =
2106 {
2107   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2108   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2109   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2110   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2111   { CA_ARG_UNDEFINED,           " "                             },
2112   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2113   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2114   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2115   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2116   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2117   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2118   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2119   { CA_ARG_UNDEFINED,           " "                             },
2120   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2121
2122   { -1,                         NULL                            }
2123 };
2124
2125 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2126 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2127 {
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_group_choice_mode[] =
2132 {
2133   { ANIM_RANDOM,                "random"                        },
2134   { ANIM_LOOP,                  "loop"                          },
2135   { ANIM_LINEAR,                "linear"                        },
2136   { ANIM_PINGPONG,              "pingpong"                      },
2137   { ANIM_PINGPONG2,             "pingpong 2"                    },
2138
2139   { -1,                         NULL                            }
2140 };
2141
2142 static struct ValueTextInfo *action_arg_modes[] =
2143 {
2144   options_action_mode_none,
2145   options_action_mode_assign,
2146   options_action_mode_add_remove,
2147   options_action_mode_calculate,
2148 };
2149
2150 static struct
2151 {
2152   int value;
2153   int mode;
2154   struct ValueTextInfo *options;
2155 }
2156 action_arg_options[] =
2157 {
2158   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2159   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2160   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2161   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2162   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2163   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2164   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2165   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2166   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2167   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2168   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2169   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2170   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2171   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2172   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2173   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2174   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2175   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2176   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2177   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2178   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2179
2180   { -1,                         FALSE,  NULL                            }
2181 };
2182
2183 static struct
2184 {
2185   int x, y;
2186   int gadget_id;
2187   int gadget_id_align;
2188   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2189   struct ValueTextInfo *options;
2190   int *value;
2191   char *text_left, *text_right, *infotext;
2192 } selectbox_info[ED_NUM_SELECTBOX] =
2193 {
2194   /* ---------- level and editor settings ---------------------------------- */
2195
2196   {
2197     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2198     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2199     -1,
2200     options_time_or_steps,
2201     &level.use_step_counter,
2202     NULL, "(0 => no limit)",            "time or step limit"
2203   },
2204   {
2205     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2206     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2207     -1,
2208     options_game_engine_type,
2209     &level.game_engine_type,
2210     "game engine:", NULL,               "game engine"
2211   },
2212   {
2213     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2214     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2215     -1,
2216     options_wind_direction,
2217     &level.wind_direction_initial,
2218     "initial wind direction:", NULL,    "initial wind direction"
2219   },
2220
2221   /* ---------- element settings: configure (several elements) ------------- */
2222
2223   {
2224     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2225     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2226     -1,
2227     options_player_speed,
2228     &level.initial_player_stepsize[0],
2229     "initial player speed:", NULL,      "initial player speed"
2230   },
2231
2232   /* ---------- element settings: configure 1 (custom elements) ------------ */
2233
2234   {
2235     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2236     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2237     -1,
2238     options_access_type,
2239     &custom_element.access_type,
2240     NULL, NULL,                         "type of access to this field"
2241   },
2242   {
2243     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2244     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2245     -1,
2246     options_access_layer,
2247     &custom_element.access_layer,
2248     NULL, NULL,                         "layer of access for this field"
2249   },
2250   {
2251     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2252     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2253     -1,
2254     options_access_protected,
2255     &custom_element.access_protected,
2256     NULL, NULL,                         "protected access for this field"
2257   },
2258   {
2259     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2260     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2261     -1,
2262     options_access_direction,
2263     &custom_element.access_direction,
2264     "from", NULL,                       "access direction for this field"
2265   },
2266   {
2267     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2268     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2269     -1,
2270     options_walk_to_action,
2271     &custom_element.walk_to_action,
2272     NULL, NULL,                         "diggable/collectible/pushable"
2273   },
2274
2275   /* ---------- element settings: configure 2 (custom elements) ------------ */
2276
2277   {
2278     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2279     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2280     -1,
2281     options_move_pattern,
2282     &custom_element.move_pattern,
2283     "can move", NULL,                   "element move pattern"
2284   },
2285   {
2286     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2287     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2288     -1,
2289     options_move_direction,
2290     &custom_element.move_direction_initial,
2291     "starts moving", NULL,              "initial element move direction"
2292   },
2293   {
2294     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2295     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2296     -1,
2297     options_move_stepsize,
2298     &custom_element.move_stepsize,
2299     "move/fall speed", NULL,            "speed of element movement"
2300   },
2301   {
2302     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2303     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2304     -1,
2305     options_move_leave_type,
2306     &custom_element.move_leave_type,
2307     "can dig:    can", ":",             "leave behind or change element"
2308   },
2309   {
2310     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2311     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2312     -1,
2313     options_smash_targets,
2314     &custom_element.smash_targets,
2315     "can smash", NULL,                  "elements that can be smashed"
2316   },
2317   {
2318     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2319     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2320     -1,
2321     options_slippery_type,
2322     &custom_element.slippery_type,
2323     "slippery", NULL,                   "where other elements fall down"
2324   },
2325   {
2326     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2327     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2328     -1,
2329     options_deadliness,
2330     &custom_element.deadliness,
2331     "deadly when", NULL,                "deadliness of element"
2332   },
2333   {
2334     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2335     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2336     -1,
2337     options_explosion_type,
2338     &custom_element.explosion_type,
2339     "can explode", NULL,                "explosion type"
2340   },
2341
2342   /* ---------- element settings: advanced (custom elements) --------------- */
2343
2344   {
2345     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2346     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2347     -1,
2348     options_time_units,
2349     &custom_element_change.delay_frames,
2350     "delay time given in", NULL,        "delay time units for change"
2351   },
2352   {
2353     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2354     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2355     -1,
2356     options_change_direct_action,
2357     &custom_element_change.direct_action,
2358     NULL, NULL,                         "type of direct action"
2359   },
2360   {
2361     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2362     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2363     -1,
2364     options_change_other_action,
2365     &custom_element_change.other_action,
2366     NULL, "element:",                   "type of other element action"
2367   },
2368   {
2369     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2370     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2371     -1,
2372     options_change_trigger_side,
2373     &custom_element_change.trigger_side,
2374     "at", "side",                       "element side triggering change"
2375   },
2376   {
2377     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2378     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2379     -1,
2380     options_change_trigger_player,
2381     &custom_element_change.trigger_player,
2382     "player:", " ",                     "player that causes change"
2383   },
2384   {
2385     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2386     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2387     -1,
2388     options_change_trigger_page,
2389     &custom_element_change.trigger_page,
2390     "page:", NULL,                      "change page that causes change"
2391   },
2392   {
2393     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2394     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2395     -1,
2396     options_change_replace_when,
2397     &custom_element_change.replace_when,
2398     "replace when", NULL,               "which elements can be replaced"
2399   },
2400   {
2401     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2402     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2403     -1,
2404     options_action_type,
2405     &custom_element_change.action_type,
2406     NULL, NULL,                         "action on specified condition"
2407   },
2408   {
2409     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2410     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2411     -1,
2412     options_action_mode_none,
2413     &custom_element_change.action_mode,
2414     NULL, NULL,                         "action operator"
2415   },
2416   {
2417     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2418     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2419     -1,
2420     options_action_arg_none,
2421     &custom_element_change.action_arg,
2422     NULL, NULL,                         "action parameter"
2423   },
2424   {
2425     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2426     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2427     3,
2428     options_change_page,
2429     &custom_element.current_change_page,
2430     NULL, NULL,                         "element change page"
2431   },
2432
2433   /* ---------- element settings: configure (group elements) --------------- */
2434
2435   {
2436     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2437     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2438     -1,
2439     options_group_choice_mode,
2440     &group_element_info.choice_mode,
2441     "choice type:", NULL,               "type of group element choice"
2442   },
2443 };
2444
2445 static struct
2446 {
2447   int x, y;
2448   int gadget_id;
2449   int gadget_id_align;
2450   int size;
2451   char *text;
2452   char *text_left, *text_right, *infotext;
2453 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2454 {
2455   {
2456     ED_LEVEL_SETTINGS_TABS_XPOS(0),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2457     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2458     8,                                  "Level",
2459     NULL, NULL,                         "Configure level properties"
2460   },
2461   {
2462     ED_LEVEL_SETTINGS_TABS_XPOS(1),     ED_LEVEL_SETTINGS_TABS_YPOS(0),
2463     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_NONE,
2464     8,                                  "Editor",
2465     NULL, NULL,                         "Configure editor properties"
2466   },
2467   {
2468     ED_ELEMENT_SETTINGS_TABS_XPOS(0),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2469     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2470     8,                                  "Info",
2471     NULL, NULL,                         "Show information about element"
2472   },
2473   {
2474     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2475     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_NONE,
2476     8,                                  "Config",
2477     NULL, NULL,                         "Configure element properties"
2478   },
2479   {
2480     ED_ELEMENT_SETTINGS_TABS_XPOS(1),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2481     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_NONE,
2482     8,                                  "Config 1",
2483     NULL, NULL,                         "Configure element properties, part 1"
2484   },
2485   {
2486     ED_ELEMENT_SETTINGS_TABS_XPOS(2),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2487     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_NONE,
2488     8,                                  "Config 2",
2489     NULL, NULL,                         "Configure element properties, part 2"
2490   },
2491   {
2492     ED_ELEMENT_SETTINGS_TABS_XPOS(3),   ED_ELEMENT_SETTINGS_TABS_YPOS(0),
2493     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_NONE,
2494     8,                                  "Change",
2495     NULL, NULL,                         "Configure custom element change pages"
2496   },
2497   {
2498     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2499     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2500     -1,                                 "Save",
2501     " ", "As Template",                 "Save current settings as new template"
2502   },
2503   {
2504     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2505     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2506     -1,                                 "New",
2507     NULL, NULL,                         "Add new change page"
2508   },
2509   {
2510     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2511     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2512     -1,                                 "Delete",
2513     NULL, NULL,                         "Delete current change page"
2514   },
2515 };
2516
2517 static struct
2518 {
2519   int gd_x, gd_y;
2520   int x, y;
2521   int width, height;
2522   int gadget_id;
2523   int gadget_id_align;
2524   char *text_left, *text_right, *infotext;
2525 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2526 {
2527   {
2528     ED_BUTTON_MINUS_XPOS,               ED_BUTTON_COUNT_YPOS,
2529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2530     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2531     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2532     NULL, NULL,                         "select previous change page"
2533   },
2534   {
2535     ED_BUTTON_PLUS_XPOS,                ED_BUTTON_COUNT_YPOS,
2536     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2537     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2538     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2539     NULL, "change page",                "select next change page"
2540   },
2541   {
2542     ED_COPY_CHANGE_PAGE_XPOS,           ED_COPY_CHANGE_PAGE_YPOS,
2543     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2544     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2545     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2546     " ", NULL,                          "copy settings from this change page"
2547   },
2548   {
2549     ED_PASTE_CHANGE_PAGE_XPOS,          ED_PASTE_CHANGE_PAGE_YPOS,
2550     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2551     ED_BUTTON_COUNT_XSIZE,              ED_BUTTON_COUNT_YSIZE,
2552     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2553     NULL, NULL,                         "paste settings to this change page"
2554   },
2555 };
2556
2557 static struct
2558 {
2559   int x, y;
2560 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2561
2562 static struct
2563 {
2564   int graphic;
2565   int gadget_id;
2566   char *infotext;
2567 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2568 {
2569   {
2570     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2571     GADGET_ID_SCROLL_UP,
2572     "scroll level editing area up"
2573   },
2574   {
2575     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2576     GADGET_ID_SCROLL_DOWN,
2577     "scroll level editing area down"
2578   },
2579   {
2580     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2581     GADGET_ID_SCROLL_LEFT,
2582     "scroll level editing area left"
2583   },
2584   {
2585     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2586     GADGET_ID_SCROLL_RIGHT,
2587     "scroll level editing area right"
2588   },
2589   {
2590     IMG_EDITOR_PALETTE_SCROLL_UP,
2591     GADGET_ID_SCROLL_LIST_UP,
2592     "scroll element list up ('Page Up')"
2593   },
2594   {
2595     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2596     GADGET_ID_SCROLL_LIST_DOWN,
2597     "scroll element list down ('Page Down')"
2598   },
2599 };
2600
2601 static struct
2602 {
2603   int x, y;
2604   int width, height;
2605   int wheel_x, wheel_y;
2606   int wheel_width, wheel_height;
2607 } scrollbar_pos[ED_NUM_SCROLLBARS];
2608
2609 static struct
2610 {
2611   int graphic;
2612   int type;
2613   int gadget_id;
2614   char *infotext;
2615 } scrollbar_info[ED_NUM_SCROLLBARS] =
2616 {
2617   {
2618     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2619     GD_TYPE_SCROLLBAR_HORIZONTAL,
2620     GADGET_ID_SCROLL_HORIZONTAL,
2621     "scroll level editing area horizontally"
2622   },
2623   {
2624     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2625     GD_TYPE_SCROLLBAR_VERTICAL,
2626     GADGET_ID_SCROLL_VERTICAL,
2627     "scroll level editing area vertically"
2628   },
2629   {
2630     IMG_EDITOR_PALETTE_SCROLLBAR,
2631     GD_TYPE_SCROLLBAR_VERTICAL,
2632     GADGET_ID_SCROLL_LIST_VERTICAL,
2633     "scroll element list vertically"
2634   }
2635 };
2636
2637
2638 static struct
2639 {
2640   int x, y;
2641   int gadget_id;
2642   int gadget_id_align;
2643   int radio_button_nr;
2644   int *value;
2645   int checked_value;
2646   char *text_left, *text_right, *infotext;
2647 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2648 {
2649   {
2650     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2651     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2652     RADIO_NR_RANDOM_ELEMENTS,
2653     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2654     " ", "percentage",                  "use percentage for random elements"
2655   },
2656   {
2657     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2658     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2659     RADIO_NR_RANDOM_ELEMENTS,
2660     &random_placement_method,           RANDOM_USE_QUANTITY,
2661     " ", "quantity",                    "use quantity for random elements"
2662   }
2663 };
2664
2665 static struct
2666 {
2667   int x, y;
2668   int gadget_id;
2669   int gadget_id_align;
2670   boolean *value;
2671   char *text_left, *text_right, *infotext;
2672 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2673 {
2674   /* ---------- level and editor settings ---------------------------------- */
2675
2676   {
2677     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2678     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2679     &random_placement_background_restricted,
2680     NULL,
2681     "restrict random placement to:",    "set random placement restriction"
2682   },
2683
2684   /* ---------- element settings: configure (various elements) ------------- */
2685
2686   {
2687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2688     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2689     &stick_element_properties_window,
2690     NULL,
2691     "stick this screen to edit content","stick this screen to edit content"
2692   },
2693   {
2694     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2695     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2696     &level.em_slippery_gems,
2697     NULL,
2698     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2699   },
2700   {
2701     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2702     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2703     &level.em_explodes_by_fire,
2704     NULL,
2705     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2706   },
2707   {
2708     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2709     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2710     &level.use_spring_bug,
2711     NULL,
2712     "use spring pushing bug",           "use odd spring pushing behaviour"
2713   },
2714   {
2715     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2716     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2717     &level.use_time_orb_bug,
2718     NULL,
2719     "use time orb bug",                 "use odd time orb behaviour"
2720   },
2721   {
2722     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2723     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2724     &level.ball_random,
2725     NULL,
2726     "create single random element",     "only create one element from content"
2727   },
2728   {
2729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2730     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2731     &level.ball_state_initial,
2732     NULL,
2733     "magic ball initially activated",   "activate magic ball after level start"
2734   },
2735   {
2736     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2737     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2738     &level.grow_into_diggable,
2739     NULL,
2740     "can grow into anything diggable",  "grow into more than just sand"
2741   },
2742   {
2743     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2744     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2745     &level.auto_exit_sokoban,
2746     NULL,
2747     "exit level if all fields solved",  "automatically finish Sokoban levels"
2748   },
2749   {
2750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2751     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2752     &level.continuous_snapping,
2753     NULL,
2754     "continuous snapping",              "use snapping without releasing key"
2755   },
2756   {
2757     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2758     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2759     &level.block_snap_field,
2760     NULL,
2761     "block snapped field when snapping", "use snapping delay to show animation"
2762   },
2763   {
2764     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2765     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2766     &level.block_last_field,
2767     NULL,
2768     "block last field when moving",     "player blocks last field when moving"
2769   },
2770   {
2771     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2772     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2773     &level.sp_block_last_field,
2774     NULL,
2775     "block last field when moving",     "player blocks last field when moving"
2776   },
2777   {
2778     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2779     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2780     &level.instant_relocation,
2781     NULL,
2782     "no scrolling when relocating",     "player gets relocated without delay"
2783   },
2784   {
2785     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2786     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2787     &level.shifted_relocation,
2788     NULL,
2789     "no centering when relocating",     "level not centered after relocation"
2790   },
2791   {
2792     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2793     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2794     &level.use_start_element[0],
2795     NULL,
2796     "use level start element:",        "start level at this element's position"
2797   },
2798   {
2799     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2800     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2801     &level.use_artwork_element[0],
2802     NULL,
2803     "use artwork from element:",        "use player artwork from other element"
2804   },
2805   {
2806     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2807     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2808     &level.use_explosion_element[0],
2809     NULL,
2810     "use explosion from element:",      "use explosion properties from element"
2811   },
2812   {
2813     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2814     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2815     &level.initial_player_gravity[0],
2816     NULL,
2817     "use initial gravity",              "set initial player gravity"
2818   },
2819   {
2820     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2821     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2822     &level.use_initial_inventory[0],
2823     NULL,
2824     "use initial inventory:",           "use collected elements on level start"
2825   },
2826   {
2827     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2828     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2829     &level.can_pass_to_walkable,
2830     NULL,
2831     "can pass to walkable element",     "player can pass to empty or walkable"
2832   },
2833   {
2834     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2835     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2836     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2837     NULL,
2838     "can fall into acid (with gravity)","player can fall into acid pool"
2839   },
2840   {
2841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2842     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2843     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2844     NULL,
2845     "can move into acid",               "element can move into acid pool"
2846   },
2847   {
2848     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2849     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2850     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2851     NULL,
2852     "deadly when colliding with",       "element is deadly when hitting player"
2853   },
2854   {
2855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2856     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2857     &level.envelope[0].autowrap,
2858     NULL,
2859     "auto-wrap",                        "automatically wrap envelope text"
2860   },
2861   {
2862     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2863     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2864     &level.envelope[0].centered,
2865     " ",
2866     "centered",                         "automatically center envelope text"
2867   },
2868
2869   /* ---------- element settings: configure 1 (custom elements) ----------- */
2870
2871   {
2872     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2873     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2874     &custom_element.use_gfx_element,
2875     NULL,
2876     "use graphic of element:",          "use existing element graphic"
2877   },
2878   {
2879     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2880     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2881     &level.use_custom_template,
2882     NULL,
2883     "use template",                     "use template for custom properties"
2884   },
2885   {
2886     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2887     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2888     &custom_element_properties[EP_ACCESSIBLE],
2889     NULL,
2890     NULL,                               "player can walk to or pass this field"
2891   },
2892   {
2893     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2894     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2895     &custom_element_properties[EP_GRAVITY_REACHABLE],
2896     NULL,
2897     "reachable despite gravity",        "player can walk/dig despite gravity"
2898   },
2899   {
2900     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2901     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2902     &custom_element.use_last_ce_value,
2903     NULL,
2904     "use last CE value after change",   "use last CE value after change"
2905   },
2906   {
2907     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2908     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2909     &custom_element_properties[EP_WALK_TO_OBJECT],
2910     NULL,
2911     NULL,                               "player can dig/collect/push element"
2912   },
2913   {
2914     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2915     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2916     &custom_element_properties[EP_INDESTRUCTIBLE],
2917     NULL,
2918     "indestructible",                   "element is indestructible"
2919   },
2920
2921   /* ---------- element settings: configure 2 (custom elements) ----------- */
2922
2923   {
2924     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2925     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2926     &custom_element_properties[EP_CAN_MOVE],
2927     NULL,
2928     NULL,                               "element can move with some pattern"
2929   },
2930   {
2931     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2932     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2933     &custom_element_properties[EP_CAN_FALL],
2934     NULL,
2935     "can fall",                         "element can fall down"
2936   },
2937   {
2938     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2939     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2940     &custom_element_properties[EP_CAN_SMASH],
2941     " ",
2942     NULL,                               "element can smash other elements"
2943   },
2944   {
2945     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2946     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2947     &custom_element_properties[EP_SLIPPERY],
2948     NULL,
2949     NULL,                               "other elements can fall down from it"
2950   },
2951   {
2952     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2953     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2954     &custom_element_properties[EP_DEADLY],
2955     NULL,
2956     NULL,                               "element can kill the player"
2957   },
2958   {
2959     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2960     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2961     &custom_element_properties[EP_CAN_EXPLODE],
2962     NULL,
2963     NULL,                               "element can explode"
2964   },
2965   {
2966     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2967     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
2968     &custom_element_properties[EP_EXPLODES_BY_FIRE],
2969     NULL,
2970     "by fire",                          "element can explode by fire/explosion"
2971   },
2972   {
2973     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2974     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
2975     &custom_element_properties[EP_EXPLODES_SMASHED],
2976     " ",
2977     "smashed",                          "element can explode when smashed"
2978   },
2979   {
2980     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
2981     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
2982     &custom_element_properties[EP_EXPLODES_IMPACT],
2983     " ",
2984     "impact",                           "element can explode on impact"
2985   },
2986
2987   /* ---------- element settings: advanced (custom elements) --------------- */
2988
2989   {
2990     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2991     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
2992     &custom_element_change.can_change,
2993     NULL,
2994     "element changes to:",              "change element on specified condition"
2995   },
2996   {
2997     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2998     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
2999     &custom_element_change_events[CE_DELAY],
3000     NULL,
3001     NULL,                               "element changes after delay"
3002   },
3003   {
3004     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3005     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3006     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3007     NULL,
3008     NULL,                               "element changes by direct action"
3009   },
3010   {
3011     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3012     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3013     &custom_element_change_events[CE_BY_OTHER_ACTION],
3014     NULL,
3015     NULL,                               "element changes by other element"
3016   },
3017   {
3018     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3019     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3020     &custom_element_change.explode,
3021     NULL,
3022     "explode instead of change",        "element explodes instead of change"
3023   },
3024   {
3025     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3026     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3027     &custom_element_change.use_target_content,
3028     NULL,
3029     "use extended change target:",      "element changes to more elements"
3030   },
3031   {
3032     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3033     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3034     &custom_element_change.only_if_complete,
3035     NULL,
3036     "replace all or nothing",           "only replace when all can be changed"
3037   },
3038   {
3039     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3040     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3041     &custom_element_change.use_random_replace,
3042     NULL,
3043     NULL,                               "use percentage for random replace"
3044   },
3045   {
3046     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3047     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3048     &custom_element_change.has_action,
3049     NULL,
3050     NULL,                               "execute action on specified condition"
3051   },
3052 };
3053
3054 static struct
3055 {
3056   int x, y;
3057   int gadget_id;
3058   int gadget_id_align;
3059   int *value;
3060   int area_xsize, area_ysize;
3061   char *text_left, *text_right, *text_below, *infotext;
3062 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3063 {
3064   /* ---------- level playfield content ------------------------------------ */
3065
3066   {
3067     0,                                  0,
3068     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3069     NULL,
3070     -1, -1,     /* these values are not constant, but can change at runtime */
3071     NULL, NULL, NULL,                   NULL
3072   },
3073
3074   /* ---------- yam yam content -------------------------------------------- */
3075
3076   {
3077     ED_AREA_YAMYAM_CONTENT_XPOS(0),     ED_AREA_YAMYAM_CONTENT_YPOS(0),
3078     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3079     &level.yamyam_content[0].e[0][0],   3, 3,
3080     NULL, NULL, "1",                    NULL
3081   },
3082   {
3083     ED_AREA_YAMYAM_CONTENT_XPOS(1),     ED_AREA_YAMYAM_CONTENT_YPOS(1),
3084     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3085     &level.yamyam_content[1].e[0][0],   3, 3,
3086     NULL, NULL, "2",                    NULL
3087   },
3088   {
3089     ED_AREA_YAMYAM_CONTENT_XPOS(2),     ED_AREA_YAMYAM_CONTENT_YPOS(2),
3090     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3091     &level.yamyam_content[2].e[0][0],   3, 3,
3092     NULL, NULL, "3",                    NULL
3093   },
3094   {
3095     ED_AREA_YAMYAM_CONTENT_XPOS(3),     ED_AREA_YAMYAM_CONTENT_YPOS(3),
3096     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3097     &level.yamyam_content[3].e[0][0],   3, 3,
3098     NULL, NULL, "4",                    NULL
3099   },
3100   {
3101     ED_AREA_YAMYAM_CONTENT_XPOS(4),     ED_AREA_YAMYAM_CONTENT_YPOS(4),
3102     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3103     &level.yamyam_content[4].e[0][0],   3, 3,
3104     NULL, NULL, "5",                    NULL
3105   },
3106   {
3107     ED_AREA_YAMYAM_CONTENT_XPOS(5),     ED_AREA_YAMYAM_CONTENT_YPOS(5),
3108     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3109     &level.yamyam_content[5].e[0][0],   3, 3,
3110     NULL, NULL, "6",                    NULL
3111   },
3112   {
3113     ED_AREA_YAMYAM_CONTENT_XPOS(6),     ED_AREA_YAMYAM_CONTENT_YPOS(6),
3114     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3115     &level.yamyam_content[6].e[0][0],   3, 3,
3116     NULL, NULL, "7",                    NULL
3117   },
3118   {
3119     ED_AREA_YAMYAM_CONTENT_XPOS(7),     ED_AREA_YAMYAM_CONTENT_YPOS(7),
3120     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3121     &level.yamyam_content[7].e[0][0],   3, 3,
3122     NULL, NULL, "8",                    NULL
3123   },
3124
3125   /* ---------- magic ball content ----------------------------------------- */
3126
3127   {
3128     ED_AREA_MAGIC_BALL_CONTENT_XPOS(0), ED_AREA_MAGIC_BALL_CONTENT_YPOS(0),
3129     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3130     &level.ball_content[0].e[0][0],     3, 3,
3131     NULL, NULL, "1",                    NULL
3132   },
3133   {
3134     ED_AREA_MAGIC_BALL_CONTENT_XPOS(1), ED_AREA_MAGIC_BALL_CONTENT_YPOS(1),
3135     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3136     &level.ball_content[1].e[0][0],     3, 3,
3137     NULL, NULL, "2",                    NULL
3138   },
3139   {
3140     ED_AREA_MAGIC_BALL_CONTENT_XPOS(2), ED_AREA_MAGIC_BALL_CONTENT_YPOS(2),
3141     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3142     &level.ball_content[2].e[0][0],     3, 3,
3143     NULL, NULL, "3",                    NULL
3144   },
3145   {
3146     ED_AREA_MAGIC_BALL_CONTENT_XPOS(3), ED_AREA_MAGIC_BALL_CONTENT_YPOS(3),
3147     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3148     &level.ball_content[3].e[0][0],     3, 3,
3149     NULL, NULL, "4",                    NULL
3150   },
3151   {
3152     ED_AREA_MAGIC_BALL_CONTENT_XPOS(4), ED_AREA_MAGIC_BALL_CONTENT_YPOS(4),
3153     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3154     &level.ball_content[4].e[0][0],     3, 3,
3155     NULL, NULL, "5",                    NULL
3156   },
3157   {
3158     ED_AREA_MAGIC_BALL_CONTENT_XPOS(5), ED_AREA_MAGIC_BALL_CONTENT_YPOS(5),
3159     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3160     &level.ball_content[5].e[0][0],     3, 3,
3161     NULL, NULL, "6",                    NULL
3162   },
3163   {
3164     ED_AREA_MAGIC_BALL_CONTENT_XPOS(6), ED_AREA_MAGIC_BALL_CONTENT_YPOS(6),
3165     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3166     &level.ball_content[6].e[0][0],     3, 3,
3167     NULL, NULL, "7",                    NULL
3168   },
3169   {
3170     ED_AREA_MAGIC_BALL_CONTENT_XPOS(7), ED_AREA_MAGIC_BALL_CONTENT_YPOS(7),
3171     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3172     &level.ball_content[7].e[0][0],     3, 3,
3173     NULL, NULL, "8",                    NULL
3174   },
3175
3176   /* ---------- android content -------------------------------------------- */
3177
3178   {
3179     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3180     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3181     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3182     "elements:", NULL, NULL,            "elements android can clone"
3183   },
3184
3185   /* ---------- amoeba content --------------------------------------------- */
3186
3187   {
3188     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3189     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3190     &level.amoeba_content,              1, 1,
3191     "content:", NULL, NULL,             "amoeba content"
3192   },
3193
3194   /* ---------- level start element ---------------------------------------- */
3195
3196   {
3197     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3198     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3199     &level.start_element[0],            1, 1,
3200     NULL, NULL, NULL,                   "level start element"
3201   },
3202
3203   /* ---------- player artwork element ------------------------------------- */
3204
3205   {
3206     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3207     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3208     &level.artwork_element[0],          1, 1,
3209     NULL, NULL, NULL,                   "element for player artwork"
3210   },
3211
3212   /* ---------- player explosion element ----------------------------------- */
3213
3214   {
3215     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3216     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3217     &level.explosion_element[0],        1, 1,
3218     NULL, NULL, NULL,                   "element for player explosion"
3219   },
3220
3221   /* ---------- player initial inventory ----------------------------------- */
3222
3223   {
3224     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3225     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3226     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3227     NULL, NULL, NULL,                   "content for initial inventory"
3228   },
3229
3230   /* ---------- element settings: configure 1 (custom elements) ----------- */
3231
3232   /* ---------- custom graphic --------------------------------------------- */
3233
3234   {
3235     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3236     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3237     &custom_element.gfx_element_initial,1, 1,
3238     NULL, NULL, NULL,                   "custom graphic element"
3239   },
3240
3241   /* ---------- element settings: configure 2 (custom elements) ----------- */
3242
3243   /* ---------- custom content (when exploding) ---------------------------- */
3244
3245   {
3246     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3247     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3248     &custom_element.content.e[0][0],    3, 3,
3249     "content:", NULL, NULL,             NULL
3250   },
3251
3252   /* ---------- custom enter and leave element (when moving) --------------- */
3253
3254   {
3255     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3256     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3257     &custom_element.move_enter_element, 1, 1,
3258     "can dig:", " ", NULL,              "element that can be digged/collected"
3259   },
3260   {
3261     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3262     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3263     &custom_element.move_leave_element, 1, 1,
3264     NULL, NULL, NULL,                   "element that will be left behind"
3265   },
3266
3267   /* ---------- element settings: advanced (custom elements) --------------- */
3268
3269   /* ---------- custom change target --------------------------------------- */
3270
3271   {
3272     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3273     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3274     &custom_element_change.target_element, 1, 1,
3275     NULL, "after/when:", NULL,          "new target element after change"
3276   },
3277
3278   /* ---------- custom change content (extended change target) ------------- */
3279
3280   {
3281     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3282     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3283     &custom_element_change.target_content.e[0][0], 3, 3,
3284     NULL, NULL, NULL,                   "new extended elements after change"
3285   },
3286
3287   /* ---------- custom change trigger (element causing change) ------------- */
3288
3289   {
3290     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3291     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3292     &custom_element_change.initial_trigger_element, 1, 1,
3293     NULL, NULL, NULL,                   "other element triggering change"
3294   },
3295
3296   /* ---------- custom change action (element used for action) ------------- */
3297
3298   {
3299     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3300     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3301     &custom_element_change.action_element, 1, 1,
3302     NULL, NULL, NULL,                   "element used as action parameter"
3303   },
3304
3305   /* ---------- group element content -------------------------------------- */
3306
3307   {
3308     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3309     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3310     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3311     "content:", NULL, NULL,             NULL
3312   },
3313
3314   /* ---------- random background (for random painting) -------------------- */
3315
3316   {
3317     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(-1),
3318     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3319     &random_placement_background_element, 1, 1,
3320     NULL, NULL, NULL,                   "random placement background"
3321   },
3322 };
3323
3324
3325 /*
3326   -----------------------------------------------------------------------------
3327   some internally used variables
3328   -----------------------------------------------------------------------------
3329 */
3330
3331 /* maximal size of level editor drawing area */
3332 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3333
3334 /* actual size of level editor drawing area */
3335 static int ed_fieldx, ed_fieldy;
3336
3337 /* actual position of level editor drawing area in level playfield */
3338 static int level_xpos = -1, level_ypos = -1;
3339
3340 /* actual tile size used to display level editor playfield */
3341 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3342
3343 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3344
3345 /* drawing elements on the three mouse buttons */
3346 static int new_element1 = EL_WALL;
3347 static int new_element2 = EL_EMPTY;
3348 static int new_element3 = EL_SAND;
3349
3350 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3351 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3352                                 (button) == 2 ? new_element2 : \
3353                                 (button) == 3 ? new_element3 : EL_EMPTY)
3354 #define BUTTON_STEPSIZE(button) ((button) == 1 ? 1 : (button) == 2 ? 5 : 10)
3355
3356 /* forward declaration for internal use */
3357 static void ModifyEditorCounterValue(int, int);
3358 static void ModifyEditorCounterLimits(int, int, int);
3359 static void ModifyEditorSelectboxValue(int, int);
3360 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3361 static void ModifyEditorDrawingArea(int, int, int);
3362 static void ModifyEditorElementList();
3363 static void AdjustElementListScrollbar();
3364 static void RedrawDrawingElements();
3365 static void DrawDrawingWindow();
3366 static void DrawLevelInfoWindow();
3367 static void DrawPropertiesWindow();
3368 static void UpdateCustomElementGraphicGadgets();
3369 static boolean checkPropertiesConfig(int);
3370 static void CopyLevelToUndoBuffer(int);
3371 static void HandleDrawingAreas(struct GadgetInfo *);
3372 static void HandleCounterButtons(struct GadgetInfo *);
3373 static void HandleTextInputGadgets(struct GadgetInfo *);
3374 static void HandleTextAreaGadgets(struct GadgetInfo *);
3375 static void HandleSelectboxGadgets(struct GadgetInfo *);
3376 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3377 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3378 static void HandleRadiobuttons(struct GadgetInfo *);
3379 static void HandleCheckbuttons(struct GadgetInfo *);
3380 static void HandleControlButtons(struct GadgetInfo *);
3381 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3382 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3383
3384 static int num_editor_gadgets = 0;      /* dynamically determined */
3385
3386 static struct GadgetInfo **level_editor_gadget = NULL;
3387 static int *right_gadget_border = NULL;
3388
3389 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3390 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3391 static boolean draw_with_brush = FALSE;
3392 static int properties_element = 0;
3393
3394 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3395 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3396 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3397 static int undo_buffer_position = 0;
3398 static int undo_buffer_steps = 0;
3399 static int redo_buffer_steps = 0;
3400
3401 static int edit_mode;
3402 static int edit_mode_levelinfo;
3403 static int edit_mode_properties;
3404
3405 static int element_shift = 0;
3406
3407 static int editor_el_players[] =
3408 {
3409   EL_PLAYER_1,
3410   EL_PLAYER_2,
3411   EL_PLAYER_3,
3412   EL_PLAYER_4
3413 };
3414 static int *editor_el_players_ptr = editor_el_players;
3415 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3416
3417 static int editor_hl_boulderdash[] =
3418 {
3419   EL_INTERNAL_CASCADE_BD_ACTIVE,
3420   EL_CHAR('B'),
3421   EL_CHAR('D'),
3422   EL_EMPTY,
3423 };
3424
3425 static int editor_el_boulderdash[] =
3426 {
3427   EL_EMPTY,
3428   EL_SAND,
3429   EL_BD_ROCK,
3430   EL_BD_DIAMOND,
3431
3432   EL_STEELWALL,
3433   EL_BD_WALL,
3434   EL_BD_EXPANDABLE_WALL,
3435   EL_BD_MAGIC_WALL,
3436
3437   EL_BD_AMOEBA,
3438   EL_BD_BUTTERFLY_UP,
3439   EL_BD_FIREFLY_UP,
3440   EL_EXIT_CLOSED,
3441
3442   EL_BD_BUTTERFLY_LEFT,
3443   EL_BD_FIREFLY_LEFT,
3444   EL_BD_BUTTERFLY_RIGHT,
3445   EL_BD_FIREFLY_RIGHT,
3446
3447   EL_EMPTY,
3448   EL_BD_BUTTERFLY_DOWN,
3449   EL_BD_FIREFLY_DOWN,
3450   EL_EXIT_OPEN,
3451 };
3452 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3453 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3454 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3455 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3456
3457 static int editor_hl_emerald_mine[] =
3458 {
3459   EL_INTERNAL_CASCADE_EM_ACTIVE,
3460   EL_CHAR('E'),
3461   EL_CHAR('M'),
3462   EL_EMPTY,
3463 };
3464
3465 static int editor_el_emerald_mine[] =
3466 {
3467   EL_SAND,
3468   EL_ROCK,
3469   EL_QUICKSAND_EMPTY,
3470   EL_QUICKSAND_FULL,
3471
3472   EL_STEELWALL,
3473   EL_WALL,
3474   EL_WALL_SLIPPERY,
3475   EL_MAGIC_WALL,
3476
3477   EL_EMERALD,
3478   EL_DIAMOND,
3479   EL_NUT,
3480   EL_BOMB,
3481
3482   EL_WALL_EMERALD,
3483   EL_WALL_DIAMOND,
3484   EL_DYNAMITE,
3485   EL_DYNAMITE_ACTIVE,
3486
3487   EL_YAMYAM,
3488   EL_BUG_UP,
3489   EL_SPACESHIP_UP,
3490   EL_ROBOT,
3491
3492   EL_BUG_LEFT,
3493   EL_SPACESHIP_LEFT,
3494   EL_BUG_RIGHT,
3495   EL_SPACESHIP_RIGHT,
3496
3497   EL_ROBOT_WHEEL,
3498   EL_BUG_DOWN,
3499   EL_SPACESHIP_DOWN,
3500   EL_INVISIBLE_WALL,
3501
3502   EL_ACID_POOL_TOPLEFT,
3503   EL_ACID,
3504   EL_ACID_POOL_TOPRIGHT,
3505   EL_AMOEBA_DROP,
3506
3507   EL_ACID_POOL_BOTTOMLEFT,
3508   EL_ACID_POOL_BOTTOM,
3509   EL_ACID_POOL_BOTTOMRIGHT,
3510   EL_AMOEBA_WET,
3511
3512   EL_EM_KEY_1,
3513   EL_EM_KEY_2,
3514   EL_EM_KEY_3,
3515   EL_EM_KEY_4,
3516
3517   EL_EM_GATE_1,
3518   EL_EM_GATE_2,
3519   EL_EM_GATE_3,
3520   EL_EM_GATE_4,
3521
3522   EL_EM_GATE_1_GRAY,
3523   EL_EM_GATE_2_GRAY,
3524   EL_EM_GATE_3_GRAY,
3525   EL_EM_GATE_4_GRAY,
3526
3527   EL_EM_EXIT_CLOSED,
3528   EL_EM_EXIT_OPEN,
3529   EL_EM_STEEL_EXIT_CLOSED,
3530   EL_EM_STEEL_EXIT_OPEN,
3531 };
3532 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3533 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3534 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3535 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3536
3537 static int editor_hl_emerald_mine_club[] =
3538 {
3539   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3540   EL_CHAR('E'),
3541   EL_CHAR('M'),
3542   EL_CHAR('C'),
3543 };
3544
3545 static int editor_el_emerald_mine_club[] =
3546 {
3547   EL_EMC_KEY_5,
3548   EL_EMC_KEY_6,
3549   EL_EMC_KEY_7,
3550   EL_EMC_KEY_8,
3551
3552   EL_EMC_GATE_5,
3553   EL_EMC_GATE_6,
3554   EL_EMC_GATE_7,
3555   EL_EMC_GATE_8,
3556
3557   EL_EMC_GATE_5_GRAY,
3558   EL_EMC_GATE_6_GRAY,
3559   EL_EMC_GATE_7_GRAY,
3560   EL_EMC_GATE_8_GRAY,
3561
3562   EL_EMC_STEELWALL_1,
3563   EL_EMC_STEELWALL_2,
3564   EL_EMC_STEELWALL_3,
3565   EL_EMC_STEELWALL_4,
3566
3567   EL_EMC_WALL_13,
3568   EL_EMC_WALL_14,
3569   EL_EMC_WALL_15,
3570   EL_EMC_WALL_16,
3571
3572   EL_EMC_WALL_SLIPPERY_1,
3573   EL_EMC_WALL_SLIPPERY_2,
3574   EL_EMC_WALL_SLIPPERY_3,
3575   EL_EMC_WALL_SLIPPERY_4,
3576
3577   EL_EMC_WALL_1,
3578   EL_EMC_WALL_2,
3579   EL_EMC_WALL_3,
3580   EL_EMC_WALL_4,
3581
3582   EL_EMC_WALL_5,
3583   EL_EMC_WALL_6,
3584   EL_EMC_WALL_7,
3585   EL_EMC_WALL_8,
3586
3587   EL_EMC_WALL_9,
3588   EL_EMC_WALL_10,
3589   EL_EMC_WALL_11,
3590   EL_EMC_WALL_12,
3591
3592   EL_EMC_GRASS,
3593   EL_EMC_FAKE_GRASS,
3594   EL_EMC_PLANT,
3595   EL_EMC_DRIPPER,
3596
3597   EL_EMC_MAGIC_BALL,
3598   EL_EMC_MAGIC_BALL_SWITCH,
3599   EL_SPRING,
3600   EL_EMC_SPRING_BUMPER,
3601
3602   EL_EMC_LENSES,
3603   EL_EMC_MAGNIFIER,
3604   EL_EM_DYNAMITE,
3605   EL_EM_DYNAMITE_ACTIVE,
3606
3607   EL_BALLOON,
3608   EL_YAMYAM_UP,
3609   EL_BALLOON_SWITCH_UP,
3610   EL_BALLOON_SWITCH_ANY,
3611
3612   EL_YAMYAM_LEFT,
3613   EL_BALLOON_SWITCH_LEFT,
3614   EL_YAMYAM_RIGHT,
3615   EL_BALLOON_SWITCH_RIGHT,
3616
3617   EL_EMC_ANDROID,
3618   EL_YAMYAM_DOWN,
3619   EL_BALLOON_SWITCH_DOWN,
3620   EL_BALLOON_SWITCH_NONE,
3621 };
3622 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3623 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3624 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3625 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3626
3627 static int editor_hl_rnd[] =
3628 {
3629   EL_INTERNAL_CASCADE_RND_ACTIVE,
3630   EL_CHAR('R'),
3631   EL_CHAR('N'),
3632   EL_CHAR('D'),
3633 };
3634
3635 static int editor_el_rnd[] =
3636 {
3637   EL_KEY_1,
3638   EL_KEY_2,
3639   EL_KEY_3,
3640   EL_KEY_4,
3641
3642   EL_GATE_1,
3643   EL_GATE_2,
3644   EL_GATE_3,
3645   EL_GATE_4,
3646
3647   EL_GATE_1_GRAY,
3648   EL_GATE_2_GRAY,
3649   EL_GATE_3_GRAY,
3650   EL_GATE_4_GRAY,
3651
3652   EL_ARROW_LEFT,
3653   EL_ARROW_RIGHT,
3654   EL_ARROW_UP,
3655   EL_ARROW_DOWN,
3656
3657   EL_AMOEBA_DEAD,
3658   EL_AMOEBA_DRY,
3659   EL_AMOEBA_FULL,
3660   EL_GAME_OF_LIFE,
3661
3662   EL_EMERALD_YELLOW,
3663   EL_EMERALD_RED,
3664   EL_EMERALD_PURPLE,
3665   EL_BIOMAZE,
3666
3667   EL_WALL_EMERALD_YELLOW,
3668   EL_WALL_EMERALD_RED,
3669   EL_WALL_EMERALD_PURPLE,
3670   EL_WALL_BD_DIAMOND,
3671
3672   EL_SPEED_PILL,
3673   EL_PACMAN_UP,
3674   EL_TIME_ORB_FULL,
3675   EL_TIME_ORB_EMPTY,
3676
3677   EL_PACMAN_LEFT,
3678   EL_DARK_YAMYAM,
3679   EL_PACMAN_RIGHT,
3680   EL_EMPTY,
3681
3682   EL_BLACK_ORB,
3683   EL_PACMAN_DOWN,
3684   EL_LAMP,
3685   EL_LAMP_ACTIVE,
3686
3687   EL_DYNABOMB_INCREASE_NUMBER,
3688   EL_DYNABOMB_INCREASE_SIZE,
3689   EL_DYNABOMB_INCREASE_POWER,
3690   EL_STONEBLOCK,
3691
3692   EL_MOLE,
3693   EL_PENGUIN,
3694   EL_PIG,
3695   EL_DRAGON,
3696
3697   EL_BUG,
3698   EL_MOLE_UP,
3699   EL_BD_BUTTERFLY,
3700   EL_BD_FIREFLY,
3701
3702   EL_MOLE_LEFT,
3703   EL_SATELLITE,
3704   EL_MOLE_RIGHT,
3705   EL_PACMAN,
3706
3707   EL_SPACESHIP,
3708   EL_MOLE_DOWN,
3709   EL_INVISIBLE_STEELWALL,
3710   EL_INVISIBLE_WALL,
3711
3712   EL_EXPANDABLE_WALL,
3713   EL_EXPANDABLE_WALL_HORIZONTAL,
3714   EL_EXPANDABLE_WALL_VERTICAL,
3715   EL_EXPANDABLE_WALL_ANY,
3716 };
3717 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3718 static int *editor_el_rnd_ptr = editor_el_rnd;
3719 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3720 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3721
3722 static int editor_hl_sokoban[] =
3723 {
3724   EL_INTERNAL_CASCADE_SB_ACTIVE,
3725   EL_CHAR('S'),
3726   EL_CHAR('B'),
3727   EL_EMPTY,
3728 };
3729
3730 static int editor_el_sokoban[] =
3731 {
3732   EL_SOKOBAN_OBJECT,
3733   EL_SOKOBAN_FIELD_EMPTY,
3734   EL_SOKOBAN_FIELD_FULL,
3735   EL_SOKOBAN_FIELD_PLAYER,
3736 };
3737 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3738 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3739 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3740 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3741
3742 static int editor_hl_supaplex[] =
3743 {
3744   EL_INTERNAL_CASCADE_SP_ACTIVE,
3745   EL_CHAR('S'),
3746   EL_CHAR('P'),
3747   EL_EMPTY,
3748 };
3749
3750 static int editor_el_supaplex[] =
3751 {
3752   EL_SP_MURPHY,
3753   EL_EMPTY,
3754   EL_SP_BASE,
3755   EL_SP_BUGGY_BASE,
3756
3757   EL_SP_INFOTRON,
3758   EL_SP_ZONK,
3759   EL_SP_SNIKSNAK,
3760   EL_SP_ELECTRON,
3761
3762   EL_SP_DISK_RED,
3763   EL_SP_DISK_ORANGE,
3764   EL_SP_DISK_YELLOW,
3765   EL_SP_TERMINAL,
3766
3767   EL_SP_EXIT_CLOSED,
3768   EL_SP_PORT_HORIZONTAL,
3769   EL_SP_PORT_VERTICAL,
3770   EL_SP_PORT_ANY,
3771
3772   EL_SP_PORT_LEFT,
3773   EL_SP_PORT_RIGHT,
3774   EL_SP_PORT_UP,
3775   EL_SP_PORT_DOWN,
3776
3777   EL_SP_GRAVITY_PORT_LEFT,
3778   EL_SP_GRAVITY_PORT_RIGHT,
3779   EL_SP_GRAVITY_PORT_UP,
3780   EL_SP_GRAVITY_PORT_DOWN,
3781
3782   EL_SP_GRAVITY_ON_PORT_LEFT,
3783   EL_SP_GRAVITY_ON_PORT_RIGHT,
3784   EL_SP_GRAVITY_ON_PORT_UP,
3785   EL_SP_GRAVITY_ON_PORT_DOWN,
3786
3787   EL_SP_GRAVITY_OFF_PORT_LEFT,
3788   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3789   EL_SP_GRAVITY_OFF_PORT_UP,
3790   EL_SP_GRAVITY_OFF_PORT_DOWN,
3791
3792   EL_SP_HARDWARE_GRAY,
3793   EL_SP_HARDWARE_GREEN,
3794   EL_SP_HARDWARE_BLUE,
3795   EL_SP_HARDWARE_RED,
3796
3797   EL_SP_HARDWARE_BASE_1,
3798   EL_SP_HARDWARE_BASE_2,
3799   EL_SP_HARDWARE_BASE_3,
3800   EL_SP_HARDWARE_BASE_4,
3801
3802   EL_SP_HARDWARE_BASE_5,
3803   EL_SP_HARDWARE_BASE_6,
3804   EL_SP_HARDWARE_YELLOW,
3805   EL_SP_CHIP_TOP,
3806
3807   EL_SP_CHIP_SINGLE,
3808   EL_SP_CHIP_LEFT,
3809   EL_SP_CHIP_RIGHT,
3810   EL_SP_CHIP_BOTTOM,
3811 };
3812 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3813 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3814 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3815 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3816
3817 static int editor_hl_diamond_caves[] =
3818 {
3819   EL_INTERNAL_CASCADE_DC_ACTIVE,
3820   EL_CHAR('D'),
3821   EL_CHAR('C'),
3822   EL_CHAR('2'),
3823 };
3824
3825 static int editor_el_diamond_caves[] =
3826 {
3827   EL_PEARL,
3828   EL_CRYSTAL,
3829   EL_WALL_PEARL,
3830   EL_WALL_CRYSTAL,
3831
3832   EL_CONVEYOR_BELT_1_LEFT,
3833   EL_CONVEYOR_BELT_1_MIDDLE,
3834   EL_CONVEYOR_BELT_1_RIGHT,
3835   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3836
3837   EL_CONVEYOR_BELT_2_LEFT,
3838   EL_CONVEYOR_BELT_2_MIDDLE,
3839   EL_CONVEYOR_BELT_2_RIGHT,
3840   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3841
3842   EL_CONVEYOR_BELT_3_LEFT,
3843   EL_CONVEYOR_BELT_3_MIDDLE,
3844   EL_CONVEYOR_BELT_3_RIGHT,
3845   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3846
3847   EL_CONVEYOR_BELT_4_LEFT,
3848   EL_CONVEYOR_BELT_4_MIDDLE,
3849   EL_CONVEYOR_BELT_4_RIGHT,
3850   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3851
3852   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3853   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3854   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3855   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3856
3857   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3858   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3859   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3860   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3861
3862   EL_TIMEGATE_CLOSED,
3863   EL_TIMEGATE_OPEN,
3864   EL_TIMEGATE_SWITCH,
3865   EL_DC_TIMEGATE_SWITCH,
3866
3867   EL_SWITCHGATE_CLOSED,
3868   EL_SWITCHGATE_OPEN,
3869   EL_SWITCHGATE_SWITCH_UP,
3870   EL_SWITCHGATE_SWITCH_DOWN,
3871
3872   EL_LIGHT_SWITCH,
3873   EL_LIGHT_SWITCH_ACTIVE,
3874   EL_DC_SWITCHGATE_SWITCH_UP,
3875   EL_DC_SWITCHGATE_SWITCH_DOWN,
3876
3877   EL_STEEL_EXIT_CLOSED,
3878   EL_STEEL_EXIT_OPEN,
3879   EL_STEELWALL_SLIPPERY,
3880   EL_INVISIBLE_SAND,
3881
3882   EL_QUICKSAND_FAST_EMPTY,
3883   EL_QUICKSAND_FAST_FULL,
3884   EL_LANDMINE,
3885   EL_DC_LANDMINE,
3886
3887   EL_SHIELD_NORMAL,
3888   EL_SHIELD_DEADLY,
3889   EL_EXTRA_TIME,
3890   EL_DC_MAGIC_WALL,
3891
3892   EL_ENVELOPE_1,
3893   EL_ENVELOPE_2,
3894   EL_ENVELOPE_3,
3895   EL_ENVELOPE_4,
3896
3897   EL_SIGN_RADIOACTIVITY,
3898   EL_SIGN_WHEELCHAIR,
3899   EL_SIGN_PARKING,
3900   EL_SIGN_NO_ENTRY,
3901
3902   EL_SIGN_GIVE_WAY,
3903   EL_SIGN_ENTRY_FORBIDDEN,
3904   EL_SIGN_EMERGENCY_EXIT,
3905   EL_SIGN_YIN_YANG,
3906
3907 #if 0
3908   EL_SIGN_SPERMS,
3909   EL_SIGN_BULLET,
3910   EL_SIGN_HEART,
3911   EL_SIGN_CROSS,
3912
3913   EL_SIGN_FRANKIE,
3914   EL_EMPTY,
3915   EL_EMPTY,
3916   EL_EMPTY,
3917
3918   EL_SPERMS,
3919   EL_BULLET,
3920   EL_HEART,
3921   EL_CROSS,
3922
3923   EL_FRANKIE,
3924   EL_EMPTY,
3925   EL_EMPTY,
3926   EL_EMPTY,
3927 #endif
3928
3929   EL_DC_STEELWALL_2_SINGLE,
3930   EL_DC_STEELWALL_2_TOP,
3931   EL_SIGN_EXCLAMATION,
3932   EL_SIGN_STOP,
3933
3934   EL_DC_STEELWALL_2_LEFT,
3935   EL_DC_STEELWALL_2_MIDDLE,
3936   EL_DC_STEELWALL_2_HORIZONTAL,
3937   EL_DC_STEELWALL_2_RIGHT,
3938
3939   EL_DC_STEELWALL_1_TOPLEFT,
3940   EL_DC_STEELWALL_2_VERTICAL,
3941   EL_DC_STEELWALL_1_TOPRIGHT,
3942   EL_DC_GATE_WHITE,
3943
3944   EL_DC_STEELWALL_1_VERTICAL,
3945   EL_DC_STEELWALL_2_BOTTOM,
3946   EL_DC_KEY_WHITE,
3947   EL_DC_GATE_WHITE_GRAY,
3948
3949   EL_DC_STEELWALL_1_BOTTOMLEFT,
3950   EL_DC_STEELWALL_1_HORIZONTAL,
3951   EL_DC_STEELWALL_1_BOTTOMRIGHT,
3952   EL_DC_GATE_FAKE_GRAY,
3953
3954   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
3955   EL_DC_STEELWALL_1_BOTTOM,
3956   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
3957   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
3958
3959   EL_DC_STEELWALL_1_RIGHT,
3960   EL_EMPTY,
3961   EL_DC_STEELWALL_1_LEFT,
3962   EL_EXPANDABLE_STEELWALL_VERTICAL,
3963
3964   EL_DC_STEELWALL_1_TOPRIGHT_2,
3965   EL_DC_STEELWALL_1_TOP,
3966   EL_DC_STEELWALL_1_TOPLEFT_2,
3967   EL_EXPANDABLE_STEELWALL_ANY,
3968 };
3969 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
3970 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
3971 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
3972 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
3973
3974 static int editor_hl_dx_boulderdash[] =
3975 {
3976   EL_INTERNAL_CASCADE_DX_ACTIVE,
3977   EL_CHAR('D'),
3978   EL_CHAR('X'),
3979   EL_EMPTY,
3980 };
3981
3982 static int editor_el_dx_boulderdash[] =
3983 {
3984   EL_EMPTY,
3985   EL_TUBE_RIGHT_DOWN,
3986   EL_TUBE_HORIZONTAL_DOWN,
3987   EL_TUBE_LEFT_DOWN,
3988
3989   EL_TUBE_HORIZONTAL,
3990   EL_TUBE_VERTICAL_RIGHT,
3991   EL_TUBE_ANY,
3992   EL_TUBE_VERTICAL_LEFT,
3993
3994   EL_TUBE_VERTICAL,
3995   EL_TUBE_RIGHT_UP,
3996   EL_TUBE_HORIZONTAL_UP,
3997   EL_TUBE_LEFT_UP,
3998
3999   EL_TRAP,
4000   EL_DX_SUPABOMB,
4001   EL_EMPTY,
4002   EL_EMPTY
4003 };
4004 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4005 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4006 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4007 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4008
4009 static int editor_hl_chars[] =
4010 {
4011   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4012   EL_CHAR('T'),
4013   EL_CHAR('X'),
4014   EL_CHAR('T'),
4015 };
4016
4017 static int editor_el_chars[] =
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(','),
4035   EL_CHAR('-'),
4036   EL_CHAR('.'),
4037   EL_CHAR('/'),
4038
4039   EL_CHAR('0'),
4040   EL_CHAR('1'),
4041   EL_CHAR('2'),
4042   EL_CHAR('3'),
4043
4044   EL_CHAR('4'),
4045   EL_CHAR('5'),
4046   EL_CHAR('6'),
4047   EL_CHAR('7'),
4048
4049   EL_CHAR('8'),
4050   EL_CHAR('9'),
4051   EL_CHAR(':'),
4052   EL_CHAR(';'),
4053
4054   EL_CHAR('<'),
4055   EL_CHAR('='),
4056   EL_CHAR('>'),
4057   EL_CHAR('?'),
4058
4059   EL_CHAR('@'),
4060   EL_CHAR('A'),
4061   EL_CHAR('B'),
4062   EL_CHAR('C'),
4063
4064   EL_CHAR('D'),
4065   EL_CHAR('E'),
4066   EL_CHAR('F'),
4067   EL_CHAR('G'),
4068
4069   EL_CHAR('H'),
4070   EL_CHAR('I'),
4071   EL_CHAR('J'),
4072   EL_CHAR('K'),
4073
4074   EL_CHAR('L'),
4075   EL_CHAR('M'),
4076   EL_CHAR('N'),
4077   EL_CHAR('O'),
4078
4079   EL_CHAR('P'),
4080   EL_CHAR('Q'),
4081   EL_CHAR('R'),
4082   EL_CHAR('S'),
4083
4084   EL_CHAR('T'),
4085   EL_CHAR('U'),
4086   EL_CHAR('V'),
4087   EL_CHAR('W'),
4088
4089   EL_CHAR('X'),
4090   EL_CHAR('Y'),
4091   EL_CHAR('Z'),
4092   EL_CHAR('['),
4093
4094   EL_CHAR('\\'),
4095   EL_CHAR(']'),
4096   EL_CHAR('^'),
4097   EL_CHAR('_'),
4098
4099   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4100   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4101   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4102   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4103
4104   EL_CHAR(CHAR_BYTE_DEGREE),
4105   EL_CHAR(CHAR_BYTE_REGISTERED),
4106   EL_CHAR(FONT_ASCII_CURSOR),
4107   EL_CHAR(FONT_ASCII_BUTTON),
4108
4109   EL_CHAR(FONT_ASCII_UP),
4110   EL_CHAR(FONT_ASCII_DOWN),
4111   EL_CHAR(' '),
4112   EL_CHAR(' ')
4113 };
4114 static int *editor_hl_chars_ptr = editor_hl_chars;
4115 static int *editor_el_chars_ptr = editor_el_chars;
4116 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4117 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4118
4119 static int editor_hl_steel_chars[] =
4120 {
4121   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4122   EL_STEEL_CHAR('T'),
4123   EL_STEEL_CHAR('X'),
4124   EL_STEEL_CHAR('T'),
4125 };
4126
4127 static int editor_el_steel_chars[] =
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(','),
4145   EL_STEEL_CHAR('-'),
4146   EL_STEEL_CHAR('.'),
4147   EL_STEEL_CHAR('/'),
4148
4149   EL_STEEL_CHAR('0'),
4150   EL_STEEL_CHAR('1'),
4151   EL_STEEL_CHAR('2'),
4152   EL_STEEL_CHAR('3'),
4153
4154   EL_STEEL_CHAR('4'),
4155   EL_STEEL_CHAR('5'),
4156   EL_STEEL_CHAR('6'),
4157   EL_STEEL_CHAR('7'),
4158
4159   EL_STEEL_CHAR('8'),
4160   EL_STEEL_CHAR('9'),
4161   EL_STEEL_CHAR(':'),
4162   EL_STEEL_CHAR(';'),
4163
4164   EL_STEEL_CHAR('<'),
4165   EL_STEEL_CHAR('='),
4166   EL_STEEL_CHAR('>'),
4167   EL_STEEL_CHAR('?'),
4168
4169   EL_STEEL_CHAR('@'),
4170   EL_STEEL_CHAR('A'),
4171   EL_STEEL_CHAR('B'),
4172   EL_STEEL_CHAR('C'),
4173
4174   EL_STEEL_CHAR('D'),
4175   EL_STEEL_CHAR('E'),
4176   EL_STEEL_CHAR('F'),
4177   EL_STEEL_CHAR('G'),
4178
4179   EL_STEEL_CHAR('H'),
4180   EL_STEEL_CHAR('I'),
4181   EL_STEEL_CHAR('J'),
4182   EL_STEEL_CHAR('K'),
4183
4184   EL_STEEL_CHAR('L'),
4185   EL_STEEL_CHAR('M'),
4186   EL_STEEL_CHAR('N'),
4187   EL_STEEL_CHAR('O'),
4188
4189   EL_STEEL_CHAR('P'),
4190   EL_STEEL_CHAR('Q'),
4191   EL_STEEL_CHAR('R'),
4192   EL_STEEL_CHAR('S'),
4193
4194   EL_STEEL_CHAR('T'),
4195   EL_STEEL_CHAR('U'),
4196   EL_STEEL_CHAR('V'),
4197   EL_STEEL_CHAR('W'),
4198
4199   EL_STEEL_CHAR('X'),
4200   EL_STEEL_CHAR('Y'),
4201   EL_STEEL_CHAR('Z'),
4202   EL_STEEL_CHAR('['),
4203
4204   EL_STEEL_CHAR('\\'),
4205   EL_STEEL_CHAR(']'),
4206   EL_STEEL_CHAR('^'),
4207   EL_STEEL_CHAR('_'),
4208
4209   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4210   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4211   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4212   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4213
4214   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4215   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4216   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4217   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4218
4219   EL_STEEL_CHAR(FONT_ASCII_UP),
4220   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4221   EL_STEEL_CHAR(' '),
4222   EL_STEEL_CHAR(' ')
4223 };
4224 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4225 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4226 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4227 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4228
4229 static int editor_hl_custom[] =
4230 {
4231   EL_INTERNAL_CASCADE_CE_ACTIVE,
4232   EL_CHAR('C'),
4233   EL_CHAR('E'),
4234   EL_EMPTY,
4235 };
4236
4237 static int editor_el_custom[] =
4238 {
4239   EL_CUSTOM_START + 0,
4240   EL_CUSTOM_START + 1,
4241   EL_CUSTOM_START + 2,
4242   EL_CUSTOM_START + 3,
4243
4244   EL_CUSTOM_START + 4,
4245   EL_CUSTOM_START + 5,
4246   EL_CUSTOM_START + 6,
4247   EL_CUSTOM_START + 7,
4248
4249   EL_CUSTOM_START + 8,
4250   EL_CUSTOM_START + 9,
4251   EL_CUSTOM_START + 10,
4252   EL_CUSTOM_START + 11,
4253
4254   EL_CUSTOM_START + 12,
4255   EL_CUSTOM_START + 13,
4256   EL_CUSTOM_START + 14,
4257   EL_CUSTOM_START + 15,
4258
4259   EL_CUSTOM_START + 16,
4260   EL_CUSTOM_START + 17,
4261   EL_CUSTOM_START + 18,
4262   EL_CUSTOM_START + 19,
4263
4264   EL_CUSTOM_START + 20,
4265   EL_CUSTOM_START + 21,
4266   EL_CUSTOM_START + 22,
4267   EL_CUSTOM_START + 23,
4268
4269   EL_CUSTOM_START + 24,
4270   EL_CUSTOM_START + 25,
4271   EL_CUSTOM_START + 26,
4272   EL_CUSTOM_START + 27,
4273
4274   EL_CUSTOM_START + 28,
4275   EL_CUSTOM_START + 29,
4276   EL_CUSTOM_START + 30,
4277   EL_CUSTOM_START + 31,
4278
4279   EL_CUSTOM_START + 32,
4280   EL_CUSTOM_START + 33,
4281   EL_CUSTOM_START + 34,
4282   EL_CUSTOM_START + 35,
4283
4284   EL_CUSTOM_START + 36,
4285   EL_CUSTOM_START + 37,
4286   EL_CUSTOM_START + 38,
4287   EL_CUSTOM_START + 39,
4288
4289   EL_CUSTOM_START + 40,
4290   EL_CUSTOM_START + 41,
4291   EL_CUSTOM_START + 42,
4292   EL_CUSTOM_START + 43,
4293
4294   EL_CUSTOM_START + 44,
4295   EL_CUSTOM_START + 45,
4296   EL_CUSTOM_START + 46,
4297   EL_CUSTOM_START + 47,
4298
4299   EL_CUSTOM_START + 48,
4300   EL_CUSTOM_START + 49,
4301   EL_CUSTOM_START + 50,
4302   EL_CUSTOM_START + 51,
4303
4304   EL_CUSTOM_START + 52,
4305   EL_CUSTOM_START + 53,
4306   EL_CUSTOM_START + 54,
4307   EL_CUSTOM_START + 55,
4308
4309   EL_CUSTOM_START + 56,
4310   EL_CUSTOM_START + 57,
4311   EL_CUSTOM_START + 58,
4312   EL_CUSTOM_START + 59,
4313
4314   EL_CUSTOM_START + 60,
4315   EL_CUSTOM_START + 61,
4316   EL_CUSTOM_START + 62,
4317   EL_CUSTOM_START + 63,
4318
4319   EL_CUSTOM_START + 64,
4320   EL_CUSTOM_START + 65,
4321   EL_CUSTOM_START + 66,
4322   EL_CUSTOM_START + 67,
4323
4324   EL_CUSTOM_START + 68,
4325   EL_CUSTOM_START + 69,
4326   EL_CUSTOM_START + 70,
4327   EL_CUSTOM_START + 71,
4328
4329   EL_CUSTOM_START + 72,
4330   EL_CUSTOM_START + 73,
4331   EL_CUSTOM_START + 74,
4332   EL_CUSTOM_START + 75,
4333
4334   EL_CUSTOM_START + 76,
4335   EL_CUSTOM_START + 77,
4336   EL_CUSTOM_START + 78,
4337   EL_CUSTOM_START + 79,
4338
4339   EL_CUSTOM_START + 80,
4340   EL_CUSTOM_START + 81,
4341   EL_CUSTOM_START + 82,
4342   EL_CUSTOM_START + 83,
4343
4344   EL_CUSTOM_START + 84,
4345   EL_CUSTOM_START + 85,
4346   EL_CUSTOM_START + 86,
4347   EL_CUSTOM_START + 87,
4348
4349   EL_CUSTOM_START + 88,
4350   EL_CUSTOM_START + 89,
4351   EL_CUSTOM_START + 90,
4352   EL_CUSTOM_START + 91,
4353
4354   EL_CUSTOM_START + 92,
4355   EL_CUSTOM_START + 93,
4356   EL_CUSTOM_START + 94,
4357   EL_CUSTOM_START + 95,
4358
4359   EL_CUSTOM_START + 96,
4360   EL_CUSTOM_START + 97,
4361   EL_CUSTOM_START + 98,
4362   EL_CUSTOM_START + 99,
4363
4364   EL_CUSTOM_START + 100,
4365   EL_CUSTOM_START + 101,
4366   EL_CUSTOM_START + 102,
4367   EL_CUSTOM_START + 103,
4368
4369   EL_CUSTOM_START + 104,
4370   EL_CUSTOM_START + 105,
4371   EL_CUSTOM_START + 106,
4372   EL_CUSTOM_START + 107,
4373
4374   EL_CUSTOM_START + 108,
4375   EL_CUSTOM_START + 109,
4376   EL_CUSTOM_START + 110,
4377   EL_CUSTOM_START + 111,
4378
4379   EL_CUSTOM_START + 112,
4380   EL_CUSTOM_START + 113,
4381   EL_CUSTOM_START + 114,
4382   EL_CUSTOM_START + 115,
4383
4384   EL_CUSTOM_START + 116,
4385   EL_CUSTOM_START + 117,
4386   EL_CUSTOM_START + 118,
4387   EL_CUSTOM_START + 119,
4388
4389   EL_CUSTOM_START + 120,
4390   EL_CUSTOM_START + 121,
4391   EL_CUSTOM_START + 122,
4392   EL_CUSTOM_START + 123,
4393
4394   EL_CUSTOM_START + 124,
4395   EL_CUSTOM_START + 125,
4396   EL_CUSTOM_START + 126,
4397   EL_CUSTOM_START + 127,
4398
4399   EL_CUSTOM_START + 128,
4400   EL_CUSTOM_START + 129,
4401   EL_CUSTOM_START + 130,
4402   EL_CUSTOM_START + 131,
4403
4404   EL_CUSTOM_START + 132,
4405   EL_CUSTOM_START + 133,
4406   EL_CUSTOM_START + 134,
4407   EL_CUSTOM_START + 135,
4408
4409   EL_CUSTOM_START + 136,
4410   EL_CUSTOM_START + 137,
4411   EL_CUSTOM_START + 138,
4412   EL_CUSTOM_START + 139,
4413
4414   EL_CUSTOM_START + 140,
4415   EL_CUSTOM_START + 141,
4416   EL_CUSTOM_START + 142,
4417   EL_CUSTOM_START + 143,
4418
4419   EL_CUSTOM_START + 144,
4420   EL_CUSTOM_START + 145,
4421   EL_CUSTOM_START + 146,
4422   EL_CUSTOM_START + 147,
4423
4424   EL_CUSTOM_START + 148,
4425   EL_CUSTOM_START + 149,
4426   EL_CUSTOM_START + 150,
4427   EL_CUSTOM_START + 151,
4428
4429   EL_CUSTOM_START + 152,
4430   EL_CUSTOM_START + 153,
4431   EL_CUSTOM_START + 154,
4432   EL_CUSTOM_START + 155,
4433
4434   EL_CUSTOM_START + 156,
4435   EL_CUSTOM_START + 157,
4436   EL_CUSTOM_START + 158,
4437   EL_CUSTOM_START + 159,
4438
4439   EL_CUSTOM_START + 160,
4440   EL_CUSTOM_START + 161,
4441   EL_CUSTOM_START + 162,
4442   EL_CUSTOM_START + 163,
4443
4444   EL_CUSTOM_START + 164,
4445   EL_CUSTOM_START + 165,
4446   EL_CUSTOM_START + 166,
4447   EL_CUSTOM_START + 167,
4448
4449   EL_CUSTOM_START + 168,
4450   EL_CUSTOM_START + 169,
4451   EL_CUSTOM_START + 170,
4452   EL_CUSTOM_START + 171,
4453
4454   EL_CUSTOM_START + 172,
4455   EL_CUSTOM_START + 173,
4456   EL_CUSTOM_START + 174,
4457   EL_CUSTOM_START + 175,
4458
4459   EL_CUSTOM_START + 176,
4460   EL_CUSTOM_START + 177,
4461   EL_CUSTOM_START + 178,
4462   EL_CUSTOM_START + 179,
4463
4464   EL_CUSTOM_START + 180,
4465   EL_CUSTOM_START + 181,
4466   EL_CUSTOM_START + 182,
4467   EL_CUSTOM_START + 183,
4468
4469   EL_CUSTOM_START + 184,
4470   EL_CUSTOM_START + 185,
4471   EL_CUSTOM_START + 186,
4472   EL_CUSTOM_START + 187,
4473
4474   EL_CUSTOM_START + 188,
4475   EL_CUSTOM_START + 189,
4476   EL_CUSTOM_START + 190,
4477   EL_CUSTOM_START + 191,
4478
4479   EL_CUSTOM_START + 192,
4480   EL_CUSTOM_START + 193,
4481   EL_CUSTOM_START + 194,
4482   EL_CUSTOM_START + 195,
4483
4484   EL_CUSTOM_START + 196,
4485   EL_CUSTOM_START + 197,
4486   EL_CUSTOM_START + 198,
4487   EL_CUSTOM_START + 199,
4488
4489   EL_CUSTOM_START + 200,
4490   EL_CUSTOM_START + 201,
4491   EL_CUSTOM_START + 202,
4492   EL_CUSTOM_START + 203,
4493
4494   EL_CUSTOM_START + 204,
4495   EL_CUSTOM_START + 205,
4496   EL_CUSTOM_START + 206,
4497   EL_CUSTOM_START + 207,
4498
4499   EL_CUSTOM_START + 208,
4500   EL_CUSTOM_START + 209,
4501   EL_CUSTOM_START + 210,
4502   EL_CUSTOM_START + 211,
4503
4504   EL_CUSTOM_START + 212,
4505   EL_CUSTOM_START + 213,
4506   EL_CUSTOM_START + 214,
4507   EL_CUSTOM_START + 215,
4508
4509   EL_CUSTOM_START + 216,
4510   EL_CUSTOM_START + 217,
4511   EL_CUSTOM_START + 218,
4512   EL_CUSTOM_START + 219,
4513
4514   EL_CUSTOM_START + 220,
4515   EL_CUSTOM_START + 221,
4516   EL_CUSTOM_START + 222,
4517   EL_CUSTOM_START + 223,
4518
4519   EL_CUSTOM_START + 224,
4520   EL_CUSTOM_START + 225,
4521   EL_CUSTOM_START + 226,
4522   EL_CUSTOM_START + 227,
4523
4524   EL_CUSTOM_START + 228,
4525   EL_CUSTOM_START + 229,
4526   EL_CUSTOM_START + 230,
4527   EL_CUSTOM_START + 231,
4528
4529   EL_CUSTOM_START + 232,
4530   EL_CUSTOM_START + 233,
4531   EL_CUSTOM_START + 234,
4532   EL_CUSTOM_START + 235,
4533
4534   EL_CUSTOM_START + 236,
4535   EL_CUSTOM_START + 237,
4536   EL_CUSTOM_START + 238,
4537   EL_CUSTOM_START + 239,
4538
4539   EL_CUSTOM_START + 240,
4540   EL_CUSTOM_START + 241,
4541   EL_CUSTOM_START + 242,
4542   EL_CUSTOM_START + 243,
4543
4544   EL_CUSTOM_START + 244,
4545   EL_CUSTOM_START + 245,
4546   EL_CUSTOM_START + 246,
4547   EL_CUSTOM_START + 247,
4548
4549   EL_CUSTOM_START + 248,
4550   EL_CUSTOM_START + 249,
4551   EL_CUSTOM_START + 250,
4552   EL_CUSTOM_START + 251,
4553
4554   EL_CUSTOM_START + 252,
4555   EL_CUSTOM_START + 253,
4556   EL_CUSTOM_START + 254,
4557   EL_CUSTOM_START + 255
4558 };
4559 static int *editor_hl_custom_ptr = editor_hl_custom;
4560 static int *editor_el_custom_ptr = editor_el_custom;
4561 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4562 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4563
4564 static int editor_hl_group[] =
4565 {
4566   EL_INTERNAL_CASCADE_GE_ACTIVE,
4567   EL_CHAR('G'),
4568   EL_CHAR('E'),
4569   EL_EMPTY,
4570 };
4571
4572 static int editor_el_group[] =
4573 {
4574   EL_GROUP_START + 0,
4575   EL_GROUP_START + 1,
4576   EL_GROUP_START + 2,
4577   EL_GROUP_START + 3,
4578
4579   EL_GROUP_START + 4,
4580   EL_GROUP_START + 5,
4581   EL_GROUP_START + 6,
4582   EL_GROUP_START + 7,
4583
4584   EL_GROUP_START + 8,
4585   EL_GROUP_START + 9,
4586   EL_GROUP_START + 10,
4587   EL_GROUP_START + 11,
4588
4589   EL_GROUP_START + 12,
4590   EL_GROUP_START + 13,
4591   EL_GROUP_START + 14,
4592   EL_GROUP_START + 15,
4593
4594   EL_GROUP_START + 16,
4595   EL_GROUP_START + 17,
4596   EL_GROUP_START + 18,
4597   EL_GROUP_START + 19,
4598
4599   EL_GROUP_START + 20,
4600   EL_GROUP_START + 21,
4601   EL_GROUP_START + 22,
4602   EL_GROUP_START + 23,
4603
4604   EL_GROUP_START + 24,
4605   EL_GROUP_START + 25,
4606   EL_GROUP_START + 26,
4607   EL_GROUP_START + 27,
4608
4609   EL_GROUP_START + 28,
4610   EL_GROUP_START + 29,
4611   EL_GROUP_START + 30,
4612   EL_GROUP_START + 31
4613 };
4614 static int *editor_hl_group_ptr = editor_hl_group;
4615 static int *editor_el_group_ptr = editor_el_group;
4616 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4617 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4618
4619 static int editor_hl_reference[] =
4620 {
4621   EL_INTERNAL_CASCADE_REF_ACTIVE,
4622   EL_CHAR('R'),
4623   EL_CHAR('E'),
4624   EL_CHAR('F')
4625 };
4626
4627 static int editor_el_reference[] =
4628 {
4629   EL_TRIGGER_PLAYER,
4630   EL_TRIGGER_ELEMENT,
4631   EL_TRIGGER_CE_VALUE,
4632   EL_TRIGGER_CE_SCORE,
4633
4634   EL_SELF,
4635   EL_ANY_ELEMENT,
4636   EL_CURRENT_CE_VALUE,
4637   EL_CURRENT_CE_SCORE,
4638
4639   EL_PREV_CE_8,
4640   EL_PREV_CE_7,
4641   EL_PREV_CE_6,
4642   EL_PREV_CE_5,
4643
4644   EL_PREV_CE_4,
4645   EL_PREV_CE_3,
4646   EL_PREV_CE_2,
4647   EL_PREV_CE_1,
4648
4649   EL_NEXT_CE_1,
4650   EL_NEXT_CE_2,
4651   EL_NEXT_CE_3,
4652   EL_NEXT_CE_4,
4653
4654   EL_NEXT_CE_5,
4655   EL_NEXT_CE_6,
4656   EL_NEXT_CE_7,
4657   EL_NEXT_CE_8,
4658 };
4659 static int *editor_hl_reference_ptr = editor_hl_reference;
4660 static int *editor_el_reference_ptr = editor_el_reference;
4661 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4662 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4663
4664 static int editor_hl_user_defined[] =
4665 {
4666   EL_INTERNAL_CASCADE_USER_ACTIVE,
4667   EL_CHAR('M'),
4668   EL_CHAR('Y'),
4669   EL_EMPTY,
4670 };
4671
4672 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4673 static int *editor_el_user_defined_ptr = NULL;
4674 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4675 static int num_editor_el_user_defined = 0;
4676
4677 static int editor_hl_dynamic[] =
4678 {
4679   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4680   EL_CHAR('U'),
4681   EL_CHAR('S'),
4682   EL_CHAR('E'),
4683 };
4684
4685 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4686 static int *editor_el_dynamic_ptr = NULL;
4687 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4688 static int num_editor_el_dynamic = 0;
4689
4690 static int editor_hl_empty[] = { EL_EMPTY };
4691 static int *editor_el_empty = NULL;     /* dynamically allocated */
4692
4693 static int *editor_hl_empty_ptr = editor_hl_empty;
4694 static int *editor_el_empty_ptr = NULL;
4695 static int num_editor_hl_empty = 0;
4696 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4697
4698 static boolean use_el_empty = FALSE;
4699
4700 static int *editor_elements = NULL;     /* dynamically allocated */
4701 static int num_editor_elements = 0;     /* dynamically determined */
4702
4703 static boolean setup_editor_show_always = TRUE;
4704 static boolean setup_editor_cascade_never = FALSE;
4705
4706 static int editor_hl_unused[] = { EL_EMPTY };
4707 static int *editor_hl_unused_ptr = editor_hl_unused;
4708 static int num_editor_hl_unused = 0;
4709
4710 static struct
4711 {
4712   boolean *setup_value;
4713   boolean *setup_cascade_value;
4714
4715   int **headline_list;
4716   int *headline_list_size;
4717
4718   int **element_list;
4719   int *element_list_size;
4720
4721   boolean last_setup_value;
4722 }
4723 editor_elements_info[] =
4724 {
4725   {
4726     &setup_editor_show_always,
4727     &setup_editor_cascade_never,
4728     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4729     &editor_el_players_ptr,             &num_editor_el_players
4730   },
4731   {
4732     &setup.editor.el_boulderdash,
4733     &setup.editor_cascade.el_bd,
4734     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4735     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4736   },
4737   {
4738     &setup.editor.el_emerald_mine,
4739     &setup.editor_cascade.el_em,
4740     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4741     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4742   },
4743   {
4744     &setup.editor.el_emerald_mine_club,
4745     &setup.editor_cascade.el_emc,
4746     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4747     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4748   },
4749   {
4750     &setup.editor.el_more,
4751     &setup.editor_cascade.el_rnd,
4752     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4753     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4754   },
4755   {
4756     &setup.editor.el_sokoban,
4757     &setup.editor_cascade.el_sb,
4758     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4759     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4760   },
4761   {
4762     &setup.editor.el_supaplex,
4763     &setup.editor_cascade.el_sp,
4764     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4765     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4766   },
4767   {
4768     &setup.editor.el_diamond_caves,
4769     &setup.editor_cascade.el_dc,
4770     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4771     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4772   },
4773   {
4774     &setup.editor.el_dx_boulderdash,
4775     &setup.editor_cascade.el_dx,
4776     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4777     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4778   },
4779   {
4780     &setup.editor.el_chars,
4781     &setup.editor_cascade.el_chars,
4782     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4783     &editor_el_chars_ptr,               &num_editor_el_chars
4784   },
4785   {
4786     &setup.editor.el_steel_chars,
4787     &setup.editor_cascade.el_steel_chars,
4788     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4789     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4790   },
4791   {
4792     &setup.editor.el_custom,
4793     &setup.editor_cascade.el_ce,
4794     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4795     &editor_el_custom_ptr,              &num_editor_el_custom
4796   },
4797   {
4798     &setup.editor.el_custom,
4799     &setup.editor_cascade.el_ge,
4800     &editor_hl_group_ptr,               &num_editor_hl_group,
4801     &editor_el_group_ptr,               &num_editor_el_group
4802   },
4803   {
4804     &setup.editor.el_custom,
4805     &setup.editor_cascade.el_ref,
4806     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4807     &editor_el_reference_ptr,           &num_editor_el_reference
4808   },
4809   {
4810     &setup.editor.el_user_defined,
4811     &setup.editor_cascade.el_user,
4812     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4813     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4814   },
4815   {
4816     &setup.editor.el_dynamic,
4817     &setup.editor_cascade.el_dynamic,
4818     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4819     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4820   },
4821   {
4822     &use_el_empty,
4823     &use_el_empty,
4824     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4825     &editor_el_empty_ptr,               &num_editor_el_empty,
4826   },
4827   {
4828     NULL,
4829     NULL,
4830     NULL,                               NULL,
4831     NULL,                               NULL
4832   }
4833 };
4834
4835
4836 /*
4837   -----------------------------------------------------------------------------
4838   functions
4839   -----------------------------------------------------------------------------
4840 */
4841
4842 static int getMaxInfoTextLength()
4843 {
4844   return (SXSIZE / getFontWidth(FONT_TEXT_2));
4845 }
4846
4847 static int getTextWidthForGadget(char *text)
4848 {
4849   if (text == NULL)
4850     return 0;
4851
4852   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4853 }
4854
4855 static int getTextWidthForDrawingArea(char *text)
4856 {
4857   if (text == NULL)
4858     return 0;
4859
4860   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4861 }
4862
4863 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4864 {
4865   return (gi->x + gi->width + getTextWidthForGadget(text));
4866 }
4867
4868 static char *getElementInfoText(int element)
4869 {
4870   char *info_text = NULL;
4871
4872   if (element < MAX_NUM_ELEMENTS)
4873   {
4874     if (strlen(element_info[element].description) > 0)
4875       info_text = element_info[element].description;
4876     else if (element_info[element].custom_description != NULL)
4877       info_text = element_info[element].custom_description;
4878     else if (element_info[element].editor_description != NULL)
4879       info_text = element_info[element].editor_description;
4880   }
4881
4882   if (info_text == NULL)
4883     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4884
4885   return info_text;
4886 }
4887
4888 static char *getElementDescriptionFilenameExt(char *basename)
4889 {
4890   char *elements_subdir = "elements";
4891   static char *elements_subdir2 = NULL;
4892   static char *filename = NULL;
4893
4894   if (elements_subdir2 == NULL)
4895     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4896
4897   checked_free(filename);
4898
4899   /* 1st try: look for element description in current level set directory */
4900   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4901   if (fileExists(filename))
4902     return filename;
4903
4904   free(filename);
4905
4906   /* 2nd try: look for element description in the game's base directory */
4907   filename = getPath3(options.docs_directory, elements_subdir, basename);
4908   if (fileExists(filename))
4909     return filename;
4910
4911   return NULL;
4912 }
4913
4914 char *getElementDescriptionFilename(int element)
4915 {
4916   char basename[MAX_FILENAME_LEN];
4917   char *filename;
4918
4919   /* 1st try: look for element description file for exactly this element */
4920   sprintf(basename, "%s.txt", element_info[element].token_name);
4921   filename = getElementDescriptionFilenameExt(basename);
4922   if (filename != NULL)
4923     return filename;
4924
4925   /* 2nd try: look for element description file for this element's class */
4926   sprintf(basename, "%s.txt", element_info[element].class_name);
4927   filename = getElementDescriptionFilenameExt(basename);
4928   if (filename != NULL)
4929     return filename;
4930
4931   return NULL;
4932 }
4933
4934 static void InitDynamicEditorElementList(int **elements, int *num_elements)
4935 {
4936   boolean element_found[NUM_FILE_ELEMENTS];
4937   int i, x, y;
4938
4939   /* initialize list of used elements to "not used" */
4940   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4941     element_found[i] = FALSE;
4942
4943   /* find all elements used in current level */
4944   for (y = 0; y < lev_fieldy; y++)
4945     for (x = 0; x < lev_fieldx; x++)
4946       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
4947         element_found[Feld[x][y]] = TRUE;
4948
4949   *num_elements = 0;
4950
4951   /* count number of elements used in current level */
4952   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4953     if (element_found[i])
4954       (*num_elements)++;
4955
4956   /* add space for up to 3 more elements for padding that may be needed */
4957   *num_elements += 3;
4958
4959   /* free memory for old list of elements, if needed */
4960   checked_free(*elements);
4961
4962   /* allocate memory for new list of elements */
4963   *elements = checked_malloc(*num_elements * sizeof(int));
4964
4965   *num_elements = 0;
4966
4967   /* add all elements used in current level (non-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   /* add all elements used in current level (custom/group elements) */
4973   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
4974     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
4975       (*elements)[(*num_elements)++] = i;
4976
4977   while (*num_elements % 4)     /* pad with empty elements, if needed */
4978     (*elements)[(*num_elements)++] = EL_EMPTY;
4979 }
4980
4981 static void ReinitializeElementList()
4982 {
4983   static boolean initialization_needed = TRUE;
4984   int pos = 0;
4985   int i, j;
4986
4987   if (initialization_needed)
4988   {
4989     LoadSetup_EditorCascade();          /* load last editor cascade state */
4990
4991     /* initialize editor cascade element from saved cascade state */
4992     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
4993     {
4994       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
4995       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
4996
4997       if (IS_EDITOR_CASCADE(*cascade_element))
4998         *cascade_element =
4999           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5000            EL_CASCADE_INACTIVE(*cascade_element));
5001     }
5002
5003     initialization_needed = FALSE;
5004   }
5005
5006   checked_free(editor_elements);
5007
5008   /* reload optional user defined element list for each invocation of editor */
5009   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5010                                    &num_editor_el_user_defined);
5011
5012   /* initialize dynamic level element list for each invocation of editor */
5013   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5014                                &num_editor_el_dynamic);
5015
5016   /* initialize list of empty elements (used for padding, if needed) */
5017   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5018     editor_el_empty[i] = EL_EMPTY;
5019
5020   /* do some sanity checks for each element from element list */
5021   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5022   {
5023     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5024     {
5025       int element = (*editor_elements_info[i].element_list)[j];
5026
5027       if (element >= NUM_FILE_ELEMENTS)
5028         Error(ERR_WARN, "editor element %d is runtime element", element);
5029
5030       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5031         Error(ERR_WARN, "no element description for element %d", element);
5032     }
5033   }
5034
5035   num_editor_elements = 0;
5036   use_el_empty = FALSE;
5037
5038   /* determine size of element list */
5039   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5040   {
5041     boolean found_inactive_cascade = FALSE;
5042
5043     if (*editor_elements_info[i].setup_value)
5044     {
5045       if (setup.editor.el_headlines)
5046       {
5047         // required for correct padding of palette headline buttons
5048         if (*editor_elements_info[i].headline_list_size > 0)
5049           num_editor_elements += editor.palette.cols;
5050
5051         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5052         {
5053           int element = (*editor_elements_info[i].headline_list)[j];
5054
5055           if (IS_EDITOR_CASCADE_INACTIVE(element))
5056             found_inactive_cascade = TRUE;
5057         }
5058       }
5059
5060       if (found_inactive_cascade)
5061         continue;
5062
5063       // required for correct padding of palette element buttons
5064       int element_list_size = *editor_elements_info[i].element_list_size;
5065       int element_rows =
5066         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5067       int element_buttons = editor.palette.cols * element_rows;
5068
5069       num_editor_elements += element_buttons;
5070     }
5071   }
5072
5073   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5074   {
5075     /* offer at least as many elements as element buttons exist */
5076     use_el_empty = TRUE;
5077     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5078
5079     num_editor_elements += num_editor_el_empty;
5080   }
5081
5082   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5083
5084   /* fill element list */
5085   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5086   {
5087     boolean found_inactive_cascade = FALSE;
5088
5089     if (*editor_elements_info[i].setup_value)
5090     {
5091       if (setup.editor.el_headlines)
5092       {
5093         // required for correct padding of palette headline buttons
5094         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5095                              editor.palette.cols : 0);
5096
5097         for (j = 0; j < headline_size; j++)
5098         {
5099           // use empty elements for padding of palette headline buttons
5100           int element = (j < *editor_elements_info[i].headline_list_size ?
5101                          (*editor_elements_info[i].headline_list)[j] :
5102                          editor_el_empty[0]);
5103
5104           editor_elements[pos++] = element;
5105
5106           if (IS_EDITOR_CASCADE_INACTIVE(element))
5107             found_inactive_cascade = TRUE;
5108         }
5109       }
5110
5111       if (found_inactive_cascade)
5112         continue;
5113
5114       // required for correct padding of palette element buttons
5115       int element_list_size = *editor_elements_info[i].element_list_size;
5116       int element_rows =
5117         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5118       int element_buttons = editor.palette.cols * element_rows;
5119
5120       // copy all elements from element list
5121       for (j = 0; j < element_list_size; j++)
5122         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5123
5124       // use empty elements for padding of palette element buttons
5125       for (j = 0; j < element_buttons - element_list_size; j++)
5126         editor_elements[pos++] = editor_el_empty[0];
5127     }
5128   }
5129
5130   /* (this function is also called before editor gadgets are initialized!) */
5131   AdjustElementListScrollbar();
5132 }
5133
5134 void PrintEditorElementList()
5135 {
5136   boolean *stop = &setup.editor.el_user_defined;
5137   int i, j;
5138
5139   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5140   {
5141     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5142
5143     if (IS_EDITOR_CASCADE(cascade_element))
5144     {
5145       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5146       char *headline = element_info[cascade_element_show].editor_description;
5147
5148       printf_line_with_prefix("# ", "-", 77);
5149       printf("# %s\n", headline);
5150       printf_line_with_prefix("# ", "-", 77);
5151     }
5152
5153     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5154     {
5155       int element = (*editor_elements_info[i].headline_list)[j];
5156
5157       if (IS_EDITOR_CASCADE(element))
5158         element = EL_CHAR_MINUS;
5159
5160       printf("# %s\n", element_info[element].token_name);
5161     }
5162
5163     if (j > 0)
5164       printf("#\n");
5165
5166     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5167     {
5168       int element = (*editor_elements_info[i].element_list)[j];
5169
5170       printf("# %s\n", element_info[element].token_name);
5171     }
5172
5173     if (j > 0)
5174       printf("#\n");
5175   }
5176 }
5177
5178 static void ReinitializeElementListButtons()
5179 {
5180   static boolean last_setup_value_headlines = FALSE;
5181   static boolean initialization_needed = TRUE;
5182   int i;
5183
5184   if (!initialization_needed)   /* check if editor element setup has changed */
5185   {
5186     if (last_setup_value_headlines != setup.editor.el_headlines)
5187       initialization_needed = TRUE;
5188
5189     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5190       if (editor_elements_info[i].last_setup_value !=
5191           *editor_elements_info[i].setup_value)
5192         initialization_needed = TRUE;
5193   }
5194
5195   if (!initialization_needed)
5196     return;
5197
5198   FreeLevelEditorGadgets();
5199   CreateLevelEditorGadgets();
5200
5201   /* store current setup values for next invocation of this function */
5202   last_setup_value_headlines = setup.editor.el_headlines;
5203   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5204     editor_elements_info[i].last_setup_value =
5205       *editor_elements_info[i].setup_value;
5206
5207   initialization_needed = FALSE;
5208 }
5209
5210 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5211                               boolean input)
5212 {
5213   int border_graphic =
5214     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5215   Bitmap *src_bitmap;
5216   int src_x, src_y;
5217   int bx = (input ? ED_ELEMENT_BORDER_INPUT : ED_ELEMENT_BORDER);
5218   int by = (input ? ED_ELEMENT_BORDER_INPUT : ED_ELEMENT_BORDER);
5219   int bx2 = TILEX - bx;
5220   int by2 = TILEY - by;
5221   int i;
5222
5223   getFixedGraphicSource(border_graphic, 0, &src_bitmap, &src_x, &src_y);
5224
5225   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5226              bx, by, dest_x - bx, dest_y - by);
5227   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y,
5228              bx, by, dest_x + width, dest_y - by);
5229   BlitBitmap(src_bitmap, drawto, src_x, src_y + by2,
5230              bx, by, dest_x - bx, dest_y + height);
5231   BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by2,
5232              bx, by, dest_x + width, dest_y + height);
5233
5234   for (i = 0; i < width / MINI_TILEX; i++)
5235   {
5236     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y, MINI_TILEX, by,
5237                dest_x + i * MINI_TILEX, dest_y - by);
5238     BlitBitmap(src_bitmap, drawto, src_x + bx, src_y + by2, MINI_TILEX, by,
5239                dest_x + i * MINI_TILEX, dest_y + height);
5240   }
5241
5242   for (i = 0; i < height / MINI_TILEY; i++)
5243   {
5244     BlitBitmap(src_bitmap, drawto, src_x, src_y + by, bx, MINI_TILEY,
5245                dest_x - bx, dest_y + i * MINI_TILEY);
5246     BlitBitmap(src_bitmap, drawto, src_x + bx2, src_y + by, bx, MINI_TILEY,
5247                dest_x + width, dest_y + i * MINI_TILEY);
5248   }
5249
5250   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5251 }
5252
5253 static void DrawEditorElement(int x, int y, int element)
5254 {
5255   DrawSizedElement(x, y, element, ed_tilesize);
5256 }
5257
5258 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5259 {
5260   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5261 }
5262
5263 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5264 {
5265   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5266 }
5267
5268 static void DrawDrawingArea(int id)
5269 {
5270   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5271   int x, y;
5272
5273   int *value = drawingarea_info[id].value;
5274   int area_xsize = drawingarea_info[id].area_xsize;
5275   int area_ysize = drawingarea_info[id].area_ysize;
5276
5277   for (x = 0; x < area_xsize; x++)
5278     for (y = 0; y < area_ysize; y++)
5279       DrawMiniGraphicExt(drawto,
5280                          gi->x + x * MINI_TILEX,
5281                          gi->y + y * MINI_TILEY,
5282                          el2edimg(value[x * area_ysize + y]));
5283 }
5284
5285 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5286 {
5287   int x, y;
5288   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5289   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5290
5291   BlitBitmap(drawto, drawto,
5292              SX + (dx == -1 ? ed_tilesize : 0),
5293              SY + (dy == -1 ? ed_tilesize : 0),
5294              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5295              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5296              SX + (dx == +1 ? ed_tilesize : 0),
5297              SY + (dy == +1 ? ed_tilesize : 0));
5298
5299   if (dx)
5300   {
5301     x = (dx == 1 ? 0 : ed_fieldx - 1);
5302     for (y = 0; y < ed_fieldy; y++)
5303       DrawEditorElementOrWall(x, y, from_x, from_y);
5304   }
5305   else if (dy)
5306   {
5307     y = (dy == 1 ? 0 : ed_fieldy - 1);
5308     for (x = 0; x < ed_fieldx; x++)
5309       DrawEditorElementOrWall(x, y, from_x, from_y);
5310   }
5311
5312   redraw_mask |= REDRAW_FIELD;
5313   BackToFront();
5314 }
5315
5316 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5317 {
5318   int graphic = el2edimg(element);
5319   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5320                    MINI_TILESIZE);
5321
5322   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5323 }
5324
5325 static void CreateControlButtons()
5326 {
5327   struct GadgetInfo *gi;
5328   int i;
5329
5330   /* create toolbox buttons */
5331   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5332   {
5333     int id = controlbutton_info[i].gadget_id;
5334     int type = controlbutton_info[i].gadget_type;
5335     int graphic = controlbutton_info[i].graphic;
5336     struct XY *pos = controlbutton_info[i].pos;
5337     struct GraphicInfo *gd = &graphic_info[graphic];
5338     Bitmap *gd_bitmap = gd->bitmap;
5339     int gd_x1 = gd->src_x;
5340     int gd_y1 = gd->src_y;
5341     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5342     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5343     int gd_x1a = gd->src_x + gd->active_xoffset;
5344     int gd_y1a = gd->src_y + gd->active_yoffset;
5345     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5346     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5347     int width  = gd->width;
5348     int height = gd->height;
5349     int x = pos->x;
5350     int y = pos->y;
5351     unsigned int event_mask;
5352     int radio_button_nr = RADIO_NR_NONE;
5353     boolean checked = FALSE;
5354
5355     if (type == GD_TYPE_RADIO_BUTTON)
5356     {
5357       event_mask = GD_EVENT_PRESSED;
5358       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5359
5360       if (id == drawing_function)
5361         checked = TRUE;
5362     }
5363     else
5364     {
5365       if (id == GADGET_ID_WRAP_LEFT ||
5366           id == GADGET_ID_WRAP_RIGHT ||
5367           id == GADGET_ID_WRAP_UP ||
5368           id == GADGET_ID_WRAP_DOWN)
5369         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5370       else
5371         event_mask = GD_EVENT_RELEASED;
5372     }
5373
5374     if (id == GADGET_ID_PROPERTIES)
5375     {
5376       x += DX;
5377       y += DY;
5378     }
5379     else
5380     {
5381       x += EX;
5382       y += EY;
5383     }
5384
5385     gi = CreateGadget(GDI_CUSTOM_ID, id,
5386                       GDI_CUSTOM_TYPE_ID, i,
5387                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5388                       GDI_X, x,
5389                       GDI_Y, y,
5390                       GDI_WIDTH, width,
5391                       GDI_HEIGHT, height,
5392                       GDI_TYPE, type,
5393                       GDI_STATE, GD_BUTTON_UNPRESSED,
5394                       GDI_RADIO_NR, radio_button_nr,
5395                       GDI_CHECKED, checked,
5396                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5397                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5398                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1a, gd_y1a,
5399                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x2a, gd_y2a,
5400                       GDI_EVENT_MASK, event_mask,
5401                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5402                       GDI_CALLBACK_ACTION, HandleControlButtons,
5403                       GDI_END);
5404
5405     if (gi == NULL)
5406       Error(ERR_EXIT, "cannot create gadget");
5407
5408     level_editor_gadget[id] = gi;
5409   }
5410
5411   /* these values are not constant, but can change at runtime */
5412   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5413   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5414   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5415   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5416   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5417   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5418   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5419   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5420   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5421   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5422   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5423   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5424
5425   /* create buttons for scrolling of drawing area and element list */
5426   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5427   {
5428     int id = scrollbutton_info[i].gadget_id;
5429     int graphic = scrollbutton_info[i].graphic;
5430     struct GraphicInfo *gd = &graphic_info[graphic];
5431     Bitmap *gd_bitmap = gd->bitmap;
5432     int gd_x1 = gd->src_x;
5433     int gd_y1 = gd->src_y;
5434     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5435     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5436     int width  = gd->width;
5437     int height = gd->height;
5438     int x = scrollbutton_pos[i].x;
5439     int y = scrollbutton_pos[i].y;
5440     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5441
5442     if (id == GADGET_ID_SCROLL_LIST_UP ||
5443         id == GADGET_ID_SCROLL_LIST_DOWN)
5444     {
5445       x += DX;
5446       y += DY;
5447     }
5448     else
5449     {
5450       x += SX;
5451       y += SY;
5452     }
5453
5454     gi = CreateGadget(GDI_CUSTOM_ID, id,
5455                       GDI_CUSTOM_TYPE_ID, i,
5456                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5457                       GDI_X, x,
5458                       GDI_Y, y,
5459                       GDI_WIDTH, width,
5460                       GDI_HEIGHT, height,
5461                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5462                       GDI_STATE, GD_BUTTON_UNPRESSED,
5463                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5464                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5465                       GDI_EVENT_MASK, event_mask,
5466                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5467                       GDI_CALLBACK_ACTION, HandleControlButtons,
5468                       GDI_END);
5469
5470     if (gi == NULL)
5471       Error(ERR_EXIT, "cannot create gadget");
5472
5473     level_editor_gadget[id] = gi;
5474   }
5475
5476   /* create buttons for element list */
5477   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5478   {
5479     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5480     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5481     struct GraphicInfo *gd = &graphic_info[graphic];
5482     Bitmap *gd_bitmap = gd->bitmap;
5483     Bitmap *deco_bitmap;
5484     int deco_x, deco_y, deco_xpos, deco_ypos;
5485     int gd_x1 = gd->src_x;
5486     int gd_y1 = gd->src_y;
5487     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5488     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5489     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5490     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5491     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5492     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5493     int element = editor_elements[i];
5494     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5495                      MINI_TILESIZE);
5496     unsigned int event_mask = GD_EVENT_RELEASED;
5497
5498     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5499     deco_xpos = (gd->width  - tile_size) / 2;
5500     deco_ypos = (gd->height - tile_size) / 2;
5501
5502     gi = CreateGadget(GDI_CUSTOM_ID, id,
5503                       GDI_CUSTOM_TYPE_ID, i,
5504                       GDI_INFO_TEXT, getElementInfoText(element),
5505                       GDI_X, x,
5506                       GDI_Y, y,
5507                       GDI_WIDTH, gd->width,
5508                       GDI_HEIGHT, gd->height,
5509                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5510                       GDI_STATE, GD_BUTTON_UNPRESSED,
5511                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5512                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5513                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5514                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5515                       GDI_DECORATION_SIZE, tile_size, tile_size,
5516                       GDI_DECORATION_SHIFTING, 1, 1,
5517                       GDI_EVENT_MASK, event_mask,
5518                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5519                       GDI_CALLBACK_ACTION, HandleControlButtons,
5520                       GDI_END);
5521
5522     if (gi == NULL)
5523       Error(ERR_EXIT, "cannot create gadget");
5524
5525     level_editor_gadget[id] = gi;
5526   }
5527 }
5528
5529 static void CreateCounterButtons()
5530 {
5531   int max_infotext_len = getMaxInfoTextLength();
5532   int i;
5533
5534   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5535   {
5536     int j;
5537     int x = SX + counterbutton_info[i].x;       /* down count button */
5538     int y = SY + counterbutton_info[i].y;
5539
5540     /* determine horizontal position to the right of specified gadget */
5541     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5542       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5543            ED_GADGET_TEXT_DISTANCE);
5544
5545     /* determine horizontal offset for leading text */
5546     if (counterbutton_info[i].text_left != NULL)
5547       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5548
5549     for (j = 0; j < 2; j++)
5550     {
5551       Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5552       struct GadgetInfo *gi;
5553       int id = (j == 0 ?
5554                 counterbutton_info[i].gadget_id_down :
5555                 counterbutton_info[i].gadget_id_up);
5556       int gd_xoffset;
5557       int gd_x, gd_y, gd_x1, gd_x2, gd_y1, gd_y2;
5558       int x_size, y_size;
5559       unsigned int event_mask;
5560       char infotext[max_infotext_len + 1];
5561
5562       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5563
5564       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5565       {
5566         int graphic = (j == 0 ?
5567                        IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5568                        IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5569         struct GraphicInfo *gd = &graphic_info[graphic];
5570
5571         gd_bitmap = gd->bitmap;
5572
5573         event_mask |= GD_EVENT_RELEASED;
5574
5575         if (j == 0)
5576         {
5577           x = DX + editor.button.prev_level.x;
5578           y = DY + editor.button.prev_level.y;
5579         }
5580         else
5581         {
5582           x = DX + editor.button.next_level.x;
5583           y = DY + editor.button.next_level.y;
5584         }
5585
5586         gd_x1 = gd->src_x;
5587         gd_y1 = gd->src_y;
5588         gd_x2 = gd->src_x + gd->pressed_xoffset;
5589         gd_y2 = gd->src_y + gd->pressed_yoffset;
5590         x_size = gd->width;
5591         y_size = gd->height;
5592       }
5593       else
5594       {
5595         gd_xoffset = (j == 0 ? ED_BUTTON_MINUS_XPOS : ED_BUTTON_PLUS_XPOS);
5596         gd_x1 = DOOR_GFX_PAGEX4 + gd_xoffset;
5597         gd_x2 = DOOR_GFX_PAGEX3 + gd_xoffset;
5598         gd_y1 = DOOR_GFX_PAGEY1 + ED_BUTTON_COUNT_YPOS;
5599         gd_y2 = gd_y1;
5600         x_size = ED_BUTTON_COUNT_XSIZE;
5601         y_size = ED_BUTTON_COUNT_YSIZE;
5602       }
5603
5604       sprintf(infotext, "%s counter value by 1, 5 or 10",
5605               (j == 0 ? "decrease" : "increase"));
5606
5607       gi = CreateGadget(GDI_CUSTOM_ID, id,
5608                         GDI_CUSTOM_TYPE_ID, i,
5609                         GDI_INFO_TEXT, infotext,
5610                         GDI_X, x,
5611                         GDI_Y, y,
5612                         GDI_WIDTH, x_size,
5613                         GDI_HEIGHT, y_size,
5614                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5615                         GDI_STATE, GD_BUTTON_UNPRESSED,
5616                         GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5617                         GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5618                         GDI_EVENT_MASK, event_mask,
5619                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5620                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5621                         GDI_END);
5622
5623       if (gi == NULL)
5624         Error(ERR_EXIT, "cannot create gadget");
5625
5626       level_editor_gadget[id] = gi;
5627       right_gadget_border[id] =
5628         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5629
5630       x += gi->width + ED_GADGET_DISTANCE;      /* text count button */
5631
5632       if (j == 0)
5633       {
5634         int font_type = FONT_INPUT_1;
5635         int font_type_active = FONT_INPUT_1_ACTIVE;
5636         int gd_width = ED_WIN_COUNT_XSIZE;
5637         int border_size = ED_BORDER_SIZE;
5638
5639         id = counterbutton_info[i].gadget_id_text;
5640         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5641
5642         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5643         {
5644           int graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5645           struct GraphicInfo *gd = &graphic_info[graphic];
5646
5647           gd_bitmap = gd->bitmap;
5648
5649           x = DX + editor.input.level_number.x;
5650           y = DY + editor.input.level_number.y;
5651
5652           gd_x = gd->src_x;
5653           gd_y = gd->src_y;
5654           gd_width = gd->width;
5655           border_size = gd->border_size;
5656
5657           font_type = FONT_LEVEL_NUMBER;
5658           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5659         }
5660         else
5661         {
5662           gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5663           gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5664         }
5665
5666         gi = CreateGadget(GDI_CUSTOM_ID, id,
5667                           GDI_CUSTOM_TYPE_ID, i,
5668                           GDI_INFO_TEXT, "enter counter value",
5669                           GDI_X, x,
5670                           GDI_Y, y,
5671                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5672                           GDI_NUMBER_VALUE, 0,
5673                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5674                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5675                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5676                           GDI_TEXT_FONT, font_type,
5677                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5678                           GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5679                           GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5680                           GDI_BORDER_SIZE, border_size, border_size,
5681                           GDI_DESIGN_WIDTH, gd_width,
5682                           GDI_EVENT_MASK, event_mask,
5683                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5684                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5685                           GDI_END);
5686
5687         if (gi == NULL)
5688           Error(ERR_EXIT, "cannot create gadget");
5689
5690         level_editor_gadget[id] = gi;
5691         right_gadget_border[id] =
5692           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5693
5694         x += gi->width + ED_GADGET_DISTANCE;    /* up count button */
5695       }
5696     }
5697   }
5698 }
5699
5700 static void CreateDrawingAreas()
5701 {
5702   int i;
5703
5704   /* these values are not constant, but can change at runtime */
5705   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5706   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5707
5708   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5709   {
5710     struct GadgetInfo *gi;
5711     unsigned int event_mask;
5712     int id = drawingarea_info[i].gadget_id;
5713     int x = SX + drawingarea_info[i].x;
5714     int y = SY + drawingarea_info[i].y;
5715     int area_xsize = drawingarea_info[i].area_xsize;
5716     int area_ysize = drawingarea_info[i].area_ysize;
5717
5718     event_mask =
5719       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5720       GD_EVENT_OFF_BORDERS;
5721
5722     /* determine horizontal position to the right of specified gadget */
5723     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5724       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5725            ED_DRAWINGAREA_TEXT_DISTANCE);
5726
5727     /* determine horizontal offset for leading text */
5728     if (drawingarea_info[i].text_left != NULL)
5729       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5730
5731     gi = CreateGadget(GDI_CUSTOM_ID, id,
5732                       GDI_CUSTOM_TYPE_ID, i,
5733                       GDI_X, x,
5734                       GDI_Y, y,
5735                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5736                       GDI_AREA_SIZE, area_xsize, area_ysize,
5737                       GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
5738                       GDI_EVENT_MASK, event_mask,
5739                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5740                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5741                       GDI_END);
5742
5743     if (gi == NULL)
5744       Error(ERR_EXIT, "cannot create gadget");
5745
5746     level_editor_gadget[id] = gi;
5747     right_gadget_border[id] =
5748       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5749   }
5750 }
5751
5752 static void CreateTextInputGadgets()
5753 {
5754   int max_infotext_len = getMaxInfoTextLength();
5755   int i;
5756
5757   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5758   {
5759     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5760     int gd_x, gd_y;
5761     struct GadgetInfo *gi;
5762     unsigned int event_mask;
5763     char infotext[MAX_OUTPUT_LINESIZE + 1];
5764     int id = textinput_info[i].gadget_id;
5765
5766     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5767
5768     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5769     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5770
5771     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5772     infotext[max_infotext_len] = '\0';
5773
5774     gi = CreateGadget(GDI_CUSTOM_ID, id,
5775                       GDI_CUSTOM_TYPE_ID, i,
5776                       GDI_INFO_TEXT, infotext,
5777                       GDI_X, SX + textinput_info[i].x,
5778                       GDI_Y, SY + textinput_info[i].y,
5779                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5780                       GDI_TEXT_VALUE, textinput_info[i].value,
5781                       GDI_TEXT_SIZE, textinput_info[i].size,
5782                       GDI_TEXT_FONT, FONT_INPUT_1,
5783                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5784                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5785                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5786                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5787                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5788                       GDI_EVENT_MASK, event_mask,
5789                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5790                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5791                       GDI_END);
5792
5793     if (gi == NULL)
5794       Error(ERR_EXIT, "cannot create gadget");
5795
5796     level_editor_gadget[id] = gi;
5797   }
5798 }
5799
5800 static void CreateTextAreaGadgets()
5801 {
5802   int max_infotext_len = getMaxInfoTextLength();
5803   int i;
5804
5805   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5806   {
5807     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5808     int gd_x, gd_y;
5809     struct GadgetInfo *gi;
5810     unsigned int event_mask;
5811     char infotext[MAX_OUTPUT_LINESIZE + 1];
5812     int id = textarea_info[i].gadget_id;
5813     int area_xsize = textarea_info[i].xsize;
5814     int area_ysize = textarea_info[i].ysize;
5815
5816     event_mask = GD_EVENT_TEXT_LEAVING;
5817
5818     gd_x = DOOR_GFX_PAGEX4 + ED_WIN_COUNT_XPOS;
5819     gd_y = DOOR_GFX_PAGEY1 + ED_WIN_COUNT_YPOS;
5820
5821     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5822     infotext[max_infotext_len] = '\0';
5823
5824     gi = CreateGadget(GDI_CUSTOM_ID, id,
5825                       GDI_CUSTOM_TYPE_ID, i,
5826                       GDI_INFO_TEXT, infotext,
5827                       GDI_X, SX + textarea_info[i].x,
5828                       GDI_Y, SY + textarea_info[i].y,
5829                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5830                       GDI_AREA_SIZE, area_xsize, area_ysize,
5831                       GDI_TEXT_FONT, FONT_INPUT_1,
5832                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5833                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5834                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5835                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5836                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5837                       GDI_EVENT_MASK, event_mask,
5838                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5839                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5840                       GDI_END);
5841
5842     if (gi == NULL)
5843       Error(ERR_EXIT, "cannot create gadget");
5844
5845     level_editor_gadget[id] = gi;
5846   }
5847 }
5848
5849 static void CreateSelectboxGadgets()
5850 {
5851   int max_infotext_len = getMaxInfoTextLength();
5852   int i, j;
5853
5854   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5855   {
5856     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5857     int gd_x, gd_y;
5858     struct GadgetInfo *gi;
5859     unsigned int event_mask;
5860     char infotext[MAX_OUTPUT_LINESIZE + 1];
5861     int id = selectbox_info[i].gadget_id;
5862     int x = SX + selectbox_info[i].x;
5863     int y = SY + selectbox_info[i].y;
5864
5865     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5866     {
5867       /* (we cannot use -1 for uninitialized values if we directly compare
5868          with results from strlen(), because the '<' and '>' operation will
5869          implicitely cast -1 to an unsigned integer value!) */
5870       selectbox_info[i].size = 0;
5871
5872       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5873         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5874           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5875
5876       selectbox_info[i].size++;         /* add one character empty space */
5877     }
5878
5879     event_mask = GD_EVENT_RELEASED |
5880       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5881
5882     gd_x = DOOR_GFX_PAGEX4 + ED_SELECTBOX_XPOS;
5883     gd_y = DOOR_GFX_PAGEY1 + ED_SELECTBOX_YPOS;
5884
5885     /* determine horizontal position to the right of specified gadget */
5886     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5887       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5888            ED_GADGET_TEXT_DISTANCE);
5889
5890     /* determine horizontal offset for leading text */
5891     if (selectbox_info[i].text_left != NULL)
5892       x += getTextWidthForGadget(selectbox_info[i].text_left);
5893
5894     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5895     infotext[max_infotext_len] = '\0';
5896
5897     gi = CreateGadget(GDI_CUSTOM_ID, id,
5898                       GDI_CUSTOM_TYPE_ID, i,
5899                       GDI_INFO_TEXT, infotext,
5900                       GDI_X, x,
5901                       GDI_Y, y,
5902                       GDI_TYPE, GD_TYPE_SELECTBOX,
5903                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5904                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5905                       GDI_TEXT_SIZE, selectbox_info[i].size,
5906                       GDI_TEXT_FONT, FONT_INPUT_1,
5907                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5908                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5909                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x, gd_y,
5910                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x, gd_y,
5911                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
5912                       GDI_BORDER_SIZE_SELECTBUTTON, ED_SELECTBOX_BUTTON_XSIZE,
5913                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5914                       GDI_EVENT_MASK, event_mask,
5915                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5916                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
5917                       GDI_END);
5918
5919     if (gi == NULL)
5920       Error(ERR_EXIT, "cannot create gadget");
5921
5922     level_editor_gadget[id] = gi;
5923     right_gadget_border[id] =
5924       getRightGadgetBorder(gi, selectbox_info[i].text_right);
5925   }
5926 }
5927
5928 static void CreateTextbuttonGadgets()
5929 {
5930   int max_infotext_len = getMaxInfoTextLength();
5931   int i;
5932
5933   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
5934   {
5935     Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
5936     int gd_x1, gd_x2, gd_y1, gd_y2;
5937     struct GadgetInfo *gi;
5938     unsigned int event_mask;
5939     char infotext[MAX_OUTPUT_LINESIZE + 1];
5940     int id = textbutton_info[i].gadget_id;
5941     int x = SX + textbutton_info[i].x;
5942     int y = SY + textbutton_info[i].y;
5943
5944     if (textbutton_info[i].size == -1)  /* dynamically determine size */
5945       textbutton_info[i].size = strlen(textbutton_info[i].text);
5946
5947     event_mask = GD_EVENT_RELEASED;
5948
5949     if ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
5950         (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE))
5951     {
5952       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_TAB_XPOS;
5953       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_TAB_XPOS;
5954       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_YPOS;
5955       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_TAB_INACTIVE_YPOS;
5956     }
5957     else
5958     {
5959       gd_x1 = DOOR_GFX_PAGEX4 + ED_TEXTBUTTON_XPOS;
5960       gd_x2 = DOOR_GFX_PAGEX3 + ED_TEXTBUTTON_XPOS;
5961       gd_y1 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_YPOS;
5962       gd_y2 = DOOR_GFX_PAGEY1 + ED_TEXTBUTTON_INACTIVE_YPOS;
5963     }
5964
5965     sprintf(infotext, "%s", textbutton_info[i].infotext);
5966     infotext[max_infotext_len] = '\0';
5967
5968     /* determine horizontal position to the right of specified gadget */
5969     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5970       x = (right_gadget_border[textbutton_info[i].gadget_id_align] +
5971            ED_GADGET_TEXT_DISTANCE);
5972
5973     /* determine horizontal offset for leading text */
5974     if (textbutton_info[i].text_left != NULL)
5975       x += getTextWidthForGadget(textbutton_info[i].text_left);
5976
5977     gi = CreateGadget(GDI_CUSTOM_ID, id,
5978                       GDI_CUSTOM_TYPE_ID, i,
5979                       GDI_INFO_TEXT, infotext,
5980                       GDI_X, x,
5981                       GDI_Y, y,
5982                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
5983                       GDI_TEXT_VALUE, textbutton_info[i].text,
5984                       GDI_TEXT_SIZE, textbutton_info[i].size,
5985                       GDI_TEXT_FONT, FONT_INPUT_2_ACTIVE,
5986                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2,
5987                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5988                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y1,
5989                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y2,
5990                       GDI_BORDER_SIZE, ED_BORDER_TEXT_XSIZE, ED_BORDER_SIZE,
5991                       GDI_DESIGN_WIDTH, ED_WIN_COUNT_XSIZE,
5992                       GDI_DECORATION_SHIFTING, 1, 1,
5993                       GDI_EVENT_MASK, event_mask,
5994                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5995                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
5996                       GDI_END);
5997
5998     if (gi == NULL)
5999       Error(ERR_EXIT, "cannot create gadget");
6000
6001     level_editor_gadget[id] = gi;
6002     right_gadget_border[id] =
6003       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6004   }
6005 }
6006
6007 static void CreateGraphicbuttonGadgets()
6008 {
6009   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6010   struct GadgetInfo *gi;
6011   unsigned int event_mask;
6012   int i;
6013
6014   /* create buttons for scrolling of drawing area and element list */
6015   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6016   {
6017     int id = graphicbutton_info[i].gadget_id;
6018     int gd_x1, gd_x2, gd_y1, gd_y2;
6019     int x = SX + graphicbutton_info[i].x;
6020     int y = SY + graphicbutton_info[i].y;
6021
6022     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6023
6024     if (i <= ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
6025     {
6026       gd_x1 = DOOR_GFX_PAGEX4 + graphicbutton_info[i].gd_x;
6027       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6028       gd_x2 = DOOR_GFX_PAGEX3 + graphicbutton_info[i].gd_x;
6029       gd_y2 = gd_y1;
6030     }
6031     else        /* (i <= ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE) */
6032     {
6033       gd_x1 = DOOR_GFX_PAGEX6 + graphicbutton_info[i].gd_x;
6034       gd_y1 = DOOR_GFX_PAGEY1 + graphicbutton_info[i].gd_y;
6035       gd_x2 = gd_x1 - ED_BUTTON_COUNT_XSIZE;
6036       gd_y2 = gd_y1;
6037     }
6038
6039     /* determine horizontal position to the right of specified gadget */
6040     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6041       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6042            ED_GADGET_TEXT_DISTANCE);
6043
6044     /* determine horizontal offset for leading text */
6045     if (graphicbutton_info[i].text_left != NULL)
6046       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6047
6048     gi = CreateGadget(GDI_CUSTOM_ID, id,
6049                       GDI_CUSTOM_TYPE_ID, i,
6050                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6051                       GDI_X, x,
6052                       GDI_Y, y,
6053                       GDI_WIDTH, graphicbutton_info[i].width,
6054                       GDI_HEIGHT, graphicbutton_info[i].height,
6055                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6056                       GDI_STATE, GD_BUTTON_UNPRESSED,
6057                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6058                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6059                       GDI_EVENT_MASK, event_mask,
6060                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6061                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6062                       GDI_END);
6063
6064     if (gi == NULL)
6065       Error(ERR_EXIT, "cannot create gadget");
6066
6067     level_editor_gadget[id] = gi;
6068     right_gadget_border[id] =
6069       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6070   }
6071 }
6072
6073 static void CreateScrollbarGadgets()
6074 {
6075   int i;
6076
6077   /* these values are not constant, but can change at runtime */
6078   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6079     SX + ED_SCROLL_HORIZONTAL_XPOS;
6080   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6081     SY + ED_SCROLL_HORIZONTAL_YPOS;
6082   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6083     ED_SCROLL_HORIZONTAL_XSIZE;
6084   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6085     ED_SCROLL_HORIZONTAL_YSIZE;
6086   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6087   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6088   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6089   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6090
6091   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6092     SX + ED_SCROLL_VERTICAL_XPOS;
6093   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6094     SY + ED_SCROLL_VERTICAL_YPOS;
6095   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6096     ED_SCROLL_VERTICAL_XSIZE;
6097   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6098     ED_SCROLL_VERTICAL_YSIZE;
6099   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6100   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6101   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6102   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6103
6104   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6105     DX + ED_SCROLL2_VERTICAL_XPOS;
6106   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6107     DY + ED_SCROLL2_VERTICAL_YPOS;
6108   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6109     ED_SCROLL2_VERTICAL_XSIZE;
6110   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6111     ED_SCROLL2_VERTICAL_YSIZE;
6112   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6113   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6114   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6115   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6116
6117   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6118   {
6119     int id = scrollbar_info[i].gadget_id;
6120     int graphic = scrollbar_info[i].graphic;
6121     struct GraphicInfo *gd = &graphic_info[graphic];
6122     Bitmap *gd_bitmap = gd->bitmap;
6123     int gd_x1, gd_x2, gd_y1, gd_y2;
6124     struct GadgetInfo *gi;
6125     int items_max, items_visible, item_position;
6126     unsigned int event_mask;
6127
6128     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6129     {
6130       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6131       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6132       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6133     }
6134     else        /* drawing area scrollbars */
6135     {
6136       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6137       {
6138         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6139         items_visible = ed_fieldx;
6140         item_position = 0;
6141       }
6142       else
6143       {
6144         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6145         items_visible = ed_fieldy;
6146         item_position = 0;
6147       }
6148     }
6149
6150     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6151
6152     gd_x1 = gd->src_x;
6153     gd_y1 = gd->src_y;
6154     gd_x2 = gd->src_x + gd->pressed_xoffset;
6155     gd_y2 = gd->src_y + gd->pressed_yoffset;
6156
6157     gi = CreateGadget(GDI_CUSTOM_ID, id,
6158                       GDI_CUSTOM_TYPE_ID, i,
6159                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6160                       GDI_X, scrollbar_pos[i].x,
6161                       GDI_Y, scrollbar_pos[i].y,
6162                       GDI_WIDTH, scrollbar_pos[i].width,
6163                       GDI_HEIGHT, scrollbar_pos[i].height,
6164                       GDI_TYPE, scrollbar_info[i].type,
6165                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6166                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6167                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6168                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6169                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6170                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6171                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6172                       GDI_STATE, GD_BUTTON_UNPRESSED,
6173                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6174                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6175                       GDI_BORDER_SIZE, ED_BORDER_SIZE, ED_BORDER_SIZE,
6176                       GDI_EVENT_MASK, event_mask,
6177                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6178                       GDI_CALLBACK_ACTION, HandleControlButtons,
6179                       GDI_END);
6180
6181     if (gi == NULL)
6182       Error(ERR_EXIT, "cannot create gadget");
6183
6184     level_editor_gadget[id] = gi;
6185   }
6186 }
6187
6188 static void CreateCheckbuttonGadgets()
6189 {
6190   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6191   struct GadgetInfo *gi;
6192   unsigned int event_mask;
6193   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6194   int i;
6195
6196   event_mask = GD_EVENT_PRESSED;
6197
6198   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6199   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6200   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6201   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6202   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6203
6204   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6205   {
6206     int id = checkbutton_info[i].gadget_id;
6207     int x = SX + checkbutton_info[i].x;
6208     int y = SY + checkbutton_info[i].y;
6209
6210     if (id == GADGET_ID_STICK_ELEMENT)
6211       gd_y  = DOOR_GFX_PAGEY1 + ED_STICKYBUTTON_YPOS;
6212     else
6213       gd_y  = DOOR_GFX_PAGEY1 + ED_CHECKBUTTON_YPOS;
6214
6215     /* determine horizontal position to the right of specified gadget */
6216     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6217       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6218            ED_GADGET_TEXT_DISTANCE);
6219
6220     /* determine horizontal offset for leading text */
6221     if (checkbutton_info[i].text_left != NULL)
6222       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6223
6224     gi = CreateGadget(GDI_CUSTOM_ID, id,
6225                       GDI_CUSTOM_TYPE_ID, i,
6226                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6227                       GDI_X, x,
6228                       GDI_Y, y,
6229                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6230                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6231                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6232                       GDI_CHECKED, *checkbutton_info[i].value,
6233                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6234                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6235                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6236                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6237                       GDI_EVENT_MASK, event_mask,
6238                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6239                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6240                       GDI_END);
6241
6242     if (gi == NULL)
6243       Error(ERR_EXIT, "cannot create gadget");
6244
6245     level_editor_gadget[id] = gi;
6246     right_gadget_border[id] =
6247       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6248   }
6249 }
6250
6251 static void CreateRadiobuttonGadgets()
6252 {
6253   Bitmap *gd_bitmap = graphic_info[IMG_GLOBAL_DOOR].bitmap;
6254   struct GadgetInfo *gi;
6255   unsigned int event_mask;
6256   int gd_x1, gd_x2, gd_x3, gd_x4, gd_y;
6257   int i;
6258
6259   event_mask = GD_EVENT_PRESSED;
6260
6261   gd_x1 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6262   gd_x2 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_UNCHECKED_XPOS;
6263   gd_x3 = DOOR_GFX_PAGEX4 + ED_CHECKBUTTON_CHECKED_XPOS;
6264   gd_x4 = DOOR_GFX_PAGEX3 + ED_CHECKBUTTON_CHECKED_XPOS;
6265   gd_y  = DOOR_GFX_PAGEY1 + ED_RADIOBUTTON_YPOS;
6266
6267   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6268   {
6269     int id = radiobutton_info[i].gadget_id;
6270     int x = SX + radiobutton_info[i].x;
6271     int y = SY + radiobutton_info[i].y;
6272
6273     int checked =
6274       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6275
6276     /* determine horizontal position to the right of specified gadget */
6277     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6278       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6279            ED_GADGET_TEXT_DISTANCE);
6280
6281     /* determine horizontal offset for leading text */
6282     if (radiobutton_info[i].text_left != NULL)
6283       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6284
6285     gi = CreateGadget(GDI_CUSTOM_ID, id,
6286                       GDI_CUSTOM_TYPE_ID, i,
6287                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6288                       GDI_X, x,
6289                       GDI_Y, y,
6290                       GDI_WIDTH, ED_CHECKBUTTON_XSIZE,
6291                       GDI_HEIGHT, ED_CHECKBUTTON_YSIZE,
6292                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6293                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6294                       GDI_CHECKED, checked,
6295                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y,
6296                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y,
6297                       GDI_ALT_DESIGN_UNPRESSED, gd_bitmap, gd_x3, gd_y,
6298                       GDI_ALT_DESIGN_PRESSED, gd_bitmap, gd_x4, gd_y,
6299                       GDI_EVENT_MASK, event_mask,
6300                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6301                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6302                       GDI_END);
6303
6304     if (gi == NULL)
6305       Error(ERR_EXIT, "cannot create gadget");
6306
6307     level_editor_gadget[id] = gi;
6308     right_gadget_border[id] =
6309       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6310   }
6311 }
6312
6313 void CreateLevelEditorGadgets()
6314 {
6315   int old_game_status = game_status;
6316
6317   /* setting 'game_status' is needed to get the right fonts for the editor */
6318   game_status = GAME_MODE_EDITOR;
6319
6320   /* these values are not constant, but can change at runtime */
6321   ed_fieldx = MAX_ED_FIELDX - 1;
6322   ed_fieldy = MAX_ED_FIELDY - 1;
6323
6324   num_editor_gadgets = NUM_EDITOR_GADGETS;
6325
6326   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6327
6328   level_editor_gadget =
6329     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6330   right_gadget_border =
6331     checked_calloc(num_editor_gadgets * sizeof(int));
6332
6333   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6334   editor_el_empty_ptr = editor_el_empty;
6335
6336   ReinitializeElementList();
6337
6338   CreateControlButtons();
6339   CreateScrollbarGadgets();
6340
6341   /* order of function calls is important because of cross-references */
6342   CreateCheckbuttonGadgets();
6343   CreateCounterButtons();
6344   CreateRadiobuttonGadgets();
6345   CreateTextInputGadgets();
6346   CreateTextAreaGadgets();
6347   CreateSelectboxGadgets();
6348   CreateGraphicbuttonGadgets();
6349   CreateTextbuttonGadgets();
6350   CreateDrawingAreas();
6351
6352   game_status = old_game_status;
6353 }
6354
6355 void FreeLevelEditorGadgets()
6356 {
6357   int i;
6358
6359   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6360
6361   for (i = 0; i < num_editor_gadgets; i++)
6362   {
6363     FreeGadget(level_editor_gadget[i]);
6364
6365     level_editor_gadget[i] = NULL;
6366   }
6367
6368   checked_free(level_editor_gadget);
6369   checked_free(right_gadget_border);
6370
6371   checked_free(editor_el_empty);
6372 }
6373
6374 static void MapCounterButtons(int id)
6375 {
6376   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6377   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6378   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6379   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6380   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6381   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6382   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6383   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6384   int yoffset_above = MINI_TILEX + ED_GADGET_DISTANCE;
6385   int yoffset = ED_BORDER_SIZE;
6386   int x_left = gi_down->x - xoffset_left;
6387   int x_right;  /* set after gadget position was modified */
6388   int y_above = gi_down->y - yoffset_above;
6389   int x = gi_down->x;
6390   int y;        /* set after gadget position was modified */
6391
6392   /* counter limits must be changed first to prevent value truncation */
6393   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6394                             counterbutton_info[id].max_value);
6395
6396   /* right text position might have changed after setting position above */
6397   x_right = gi_up->x + gi_up->width + xoffset_right;
6398
6399   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6400
6401   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6402   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6403       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6404   {
6405     ModifyGadget(gi_down, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6406     ModifyGadget(gi_text, GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6407     ModifyGadget(gi_up,   GDI_Y, SY + counterbutton_info[id].y, GDI_END);
6408   }
6409
6410   /* vertical position might have changed after setting position above */
6411   y = gi_up->y + yoffset;
6412
6413   if (counterbutton_info[id].text_above)
6414     DrawText(x, y_above, counterbutton_info[id].text_above, FONT_TEXT_1);
6415
6416   if (counterbutton_info[id].text_left)
6417     DrawText(x_left, y, counterbutton_info[id].text_left, FONT_TEXT_1);
6418
6419   if (counterbutton_info[id].text_right)
6420     DrawText(x_right, y, counterbutton_info[id].text_right, FONT_TEXT_1);
6421
6422   MapGadget(gi_down);
6423   MapGadget(gi_text);
6424   MapGadget(gi_up);
6425 }
6426
6427 static void MapControlButtons()
6428 {
6429   int counter_id;
6430   int i;
6431
6432   /* map toolbox buttons (excluding special CE toolbox buttons) */
6433   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6434     MapGadget(level_editor_gadget[i]);
6435
6436   /* map toolbox buttons (element properties button) */
6437   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6438
6439   /* map buttons to select elements */
6440   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6441     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6442   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6443   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6444   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6445
6446   /* map buttons to select level */
6447   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6448   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6449   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6450   MapCounterButtons(counter_id);
6451 }
6452
6453 static void MapDrawingArea(int id)
6454 {
6455   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6456   int area_xsize = gi->drawing.area_xsize;
6457   int area_ysize = gi->drawing.area_ysize;
6458   int xoffset_left= getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6459   int xoffset_below= getTextWidth(drawingarea_info[id].text_below,FONT_TEXT_1);
6460   int x_left  = gi->x - xoffset_left;
6461   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6462   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6463   int y_side  = gi->y + (gi->height - getFontHeight(FONT_TEXT_1)) / 2;
6464   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6465
6466   if (drawingarea_info[id].text_left)
6467     DrawText(x_left, y_side, drawingarea_info[id].text_left, FONT_TEXT_1);
6468
6469   if (drawingarea_info[id].text_right)
6470     DrawText(x_right, y_side, drawingarea_info[id].text_right, FONT_TEXT_1);
6471
6472   if (drawingarea_info[id].text_below)
6473     DrawText(x_below, y_below, drawingarea_info[id].text_below, FONT_TEXT_1);
6474
6475   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6476   {
6477     DrawElementBorder(gi->x, gi->y,
6478                       area_xsize * MINI_TILEX, area_ysize * MINI_TILEY, TRUE);
6479
6480     DrawDrawingArea(id);
6481   }
6482
6483   MapGadget(gi);
6484 }
6485
6486 static void MapTextInputGadget(int id)
6487 {
6488   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6489   int xoffset_above = 0;
6490   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6491   int x_above = textinput_info[id].x + xoffset_above;
6492   int y_above = textinput_info[id].y + yoffset_above;
6493
6494   if (textinput_info[id].text_above)
6495     DrawTextS(x_above, y_above, FONT_TEXT_1, textinput_info[id].text_above);
6496
6497   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6498
6499   MapGadget(gi);
6500 }
6501
6502 static void MapTextAreaGadget(int id)
6503 {
6504   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6505   int xoffset_above = 0;
6506   int yoffset_above = -(MINI_TILEX + ED_GADGET_DISTANCE);
6507   int x_above = textarea_info[id].x + xoffset_above;
6508   int y_above = textarea_info[id].y + yoffset_above;
6509
6510   if (textarea_info[id].text_above)
6511     DrawTextS(x_above, y_above, FONT_TEXT_1, textarea_info[id].text_above);
6512
6513   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6514
6515   MapGadget(gi);
6516 }
6517
6518 static void MapSelectboxGadget(int id)
6519 {
6520   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6521   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6522   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6523   int yoffset = ED_BORDER_SIZE;
6524   int x_left = gi->x - xoffset_left;
6525   int x_right = gi->x + gi->width + xoffset_right;
6526   int y = gi->y + yoffset;
6527
6528   if (selectbox_info[id].text_left)
6529     DrawText(x_left, y, selectbox_info[id].text_left, FONT_TEXT_1);
6530
6531   if (selectbox_info[id].text_right)
6532     DrawText(x_right, y, selectbox_info[id].text_right, FONT_TEXT_1);
6533
6534   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6535
6536   MapGadget(gi);
6537 }
6538
6539 static void MapTextbuttonGadget(int id)
6540 {
6541   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6542   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6543   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6544   int yoffset = ED_BORDER_SIZE;
6545   int x_left = gi->x - xoffset_left;
6546   int x_right = gi->x + gi->width + xoffset_right;
6547   int y = gi->y + yoffset;
6548
6549   /* only show button to delete change pages when more than minimum pages */
6550   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6551       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6552     return;
6553
6554   if (textbutton_info[id].text_left)
6555     DrawText(x_left, y, textbutton_info[id].text_left, FONT_TEXT_1);
6556
6557   if (textbutton_info[id].text_right)
6558     DrawText(x_right, y, textbutton_info[id].text_right, FONT_TEXT_1);
6559
6560   MapGadget(gi);
6561 }
6562
6563 static void MapGraphicbuttonGadget(int id)
6564 {
6565   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6566   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6567   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6568   int yoffset = ED_BORDER_SIZE;
6569   int x_left = gi->x - xoffset_left;
6570   int x_right = gi->x + gi->width + xoffset_right;
6571   int y = gi->y + yoffset;
6572
6573   if (graphicbutton_info[id].text_left)
6574     DrawText(x_left, y, graphicbutton_info[id].text_left, FONT_TEXT_1);
6575
6576   if (graphicbutton_info[id].text_right)
6577     DrawText(x_right, y, graphicbutton_info[id].text_right, FONT_TEXT_1);
6578
6579   MapGadget(gi);
6580 }
6581
6582 static void MapRadiobuttonGadget(int id)
6583 {
6584   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6585   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6586   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6587   int yoffset = ED_BORDER_SIZE;
6588   int x_left = gi->x - xoffset_left;
6589   int x_right = gi->x + gi->width + xoffset_right;
6590   int y = gi->y + yoffset;
6591   boolean checked =
6592     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6593
6594   if (radiobutton_info[id].text_left)
6595     DrawText(x_left, y, radiobutton_info[id].text_left, FONT_TEXT_1);
6596
6597   if (radiobutton_info[id].text_right)
6598     DrawText(x_right, y, radiobutton_info[id].text_right, FONT_TEXT_1);
6599
6600   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6601
6602   MapGadget(gi);
6603 }
6604
6605 static void MapCheckbuttonGadget(int id)
6606 {
6607   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6608   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6609   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6610   int yoffset = ED_BORDER_SIZE;
6611   int x_left, x_right, y;       /* set after gadget position was modified */
6612
6613   /* set position for gadgets with dynamically determined position */
6614   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6615     ModifyGadget(gi, GDI_X, SX + checkbutton_info[id].x, GDI_END);
6616   ModifyGadget(gi, GDI_Y, SY + checkbutton_info[id].y, GDI_END);
6617
6618   x_left = gi->x - xoffset_left;
6619   x_right = gi->x + gi->width + xoffset_right;
6620   y = gi->y + yoffset;
6621
6622   if (checkbutton_info[id].text_left)
6623     DrawText(x_left, y, checkbutton_info[id].text_left, FONT_TEXT_1);
6624
6625   if (checkbutton_info[id].text_right)
6626     DrawText(x_right, y, checkbutton_info[id].text_right, FONT_TEXT_1);
6627
6628   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6629
6630   MapGadget(gi);
6631 }
6632
6633 static void MapMainDrawingArea()
6634 {
6635   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6636   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6637   int i;
6638
6639   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6640   {
6641     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6642           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6643          no_horizontal_scrollbar) ||
6644         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6645           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6646          no_vertical_scrollbar))
6647       continue;
6648
6649     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6650   }
6651
6652   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6653   {
6654     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6655         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6656       continue;
6657
6658     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6659   }
6660
6661   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6662 }
6663
6664 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6665 {
6666   int i;
6667
6668   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6669   {
6670     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6671         i == GADGET_ID_CUSTOM_COPY_TO ||
6672         i == GADGET_ID_CUSTOM_EXCHANGE ||
6673         i == GADGET_ID_CUSTOM_COPY ||
6674         i == GADGET_ID_CUSTOM_PASTE)
6675     {
6676       if (map)
6677         MapGadget(level_editor_gadget[i]);
6678       else
6679         UnmapGadget(level_editor_gadget[i]);
6680     }
6681   }
6682 }
6683
6684 static void MapLevelEditorToolboxCustomGadgets()
6685 {
6686   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6687 }
6688
6689 static void UnmapLevelEditorToolboxCustomGadgets()
6690 {
6691   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6692 }
6693
6694 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6695 {
6696   int i;
6697
6698   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6699   {
6700     if (i != GADGET_ID_SINGLE_ITEMS &&
6701         i != GADGET_ID_PICK_ELEMENT)
6702     {
6703       struct GadgetInfo *gi = level_editor_gadget[i];
6704
6705       if (map)
6706       {
6707         MapGadget(gi);
6708       }
6709       else
6710       {
6711         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6712         struct GraphicInfo *gd = &graphic_info[graphic];
6713
6714         UnmapGadget(gi);
6715
6716         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6717                    gi->width, gi->height, gi->x, gi->y);
6718
6719         redraw_mask |= REDRAW_DOOR_3;
6720       }
6721     }
6722   }
6723 }
6724
6725 static void MapLevelEditorToolboxDrawingGadgets()
6726 {
6727   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6728 }
6729
6730 static void UnmapLevelEditorToolboxDrawingGadgets()
6731 {
6732   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6733 }
6734
6735 static void UnmapDrawingArea(int id)
6736 {
6737   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6738 }
6739
6740 static void UnmapLevelEditorFieldGadgets()
6741 {
6742   int i;
6743
6744   for (i = 0; i < num_editor_gadgets; i++)
6745     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6746                           level_editor_gadget[i]->y))
6747       UnmapGadget(level_editor_gadget[i]);
6748 }
6749
6750 void UnmapLevelEditorGadgets()
6751 {
6752   int i;
6753
6754   for (i = 0; i < num_editor_gadgets; i++)
6755     UnmapGadget(level_editor_gadget[i]);
6756 }
6757
6758 static void ResetUndoBuffer()
6759 {
6760   undo_buffer_position = -1;
6761   undo_buffer_steps = -1;
6762   redo_buffer_steps = 0;
6763
6764   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6765
6766   level.changed = FALSE;
6767 }
6768
6769 static void DrawEditModeWindow()
6770 {
6771   ModifyEditorElementList();
6772   RedrawDrawingElements();
6773
6774   if (edit_mode == ED_MODE_INFO)
6775     DrawLevelInfoWindow();
6776   else if (edit_mode == ED_MODE_PROPERTIES)
6777     DrawPropertiesWindow();
6778   else  /* edit_mode == ED_MODE_DRAWING */
6779     DrawDrawingWindow();
6780 }
6781
6782 static boolean LevelChanged()
6783 {
6784   boolean field_changed = FALSE;
6785   int x, y;
6786
6787   for (y = 0; y < lev_fieldy; y++)
6788     for (x = 0; x < lev_fieldx; x++)
6789       if (Feld[x][y] != level.field[x][y])
6790         field_changed = TRUE;
6791
6792   return (level.changed || field_changed);
6793 }
6794
6795 static boolean PrepareSavingIntoPersonalLevelSet()
6796 {
6797   static LevelDirTree *last_copied_leveldir = NULL;
6798   static LevelDirTree *last_written_leveldir = NULL;
6799   static int last_copied_level_nr = -1;
6800   static int last_written_level_nr = -1;
6801   LevelDirTree *leveldir_former = leveldir_current;
6802   int level_nr_former = level_nr;
6803   int new_level_nr;
6804
6805   // remember last mod/save so that for current session, we write
6806   // back to the same personal copy, asking only about overwrite.
6807   if (leveldir_current == last_copied_leveldir &&
6808       level_nr == last_copied_level_nr)
6809   {
6810     // "cd" to personal level set dir (as used when writing last copy)
6811     leveldir_current = last_written_leveldir;
6812     level_nr = last_written_level_nr;
6813
6814     return TRUE;
6815   }
6816
6817   if (!Request("This level is read only! "
6818                "Save into personal level set?", REQ_ASK))
6819     return FALSE;
6820
6821   // "cd" to personal level set dir (for writing copy the first time)
6822   leveldir_current =
6823     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6824
6825   // find unused level number
6826   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6827   {
6828     static char *level_filename = NULL;
6829
6830     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6831
6832     if (!fileExists(level_filename))
6833       break;
6834   }
6835
6836   last_copied_leveldir = leveldir_former;
6837   last_copied_level_nr = level_nr_former;
6838
6839   last_written_leveldir = leveldir_current;
6840   last_written_level_nr = level_nr = new_level_nr;
6841
6842   return TRUE;
6843 }
6844
6845 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6846 {
6847   static char *filename_levelinfo = NULL, *mod_name = NULL;
6848   FILE *file;
6849
6850   // annotate this copy-and-mod in personal levelinfo.conf
6851   setString(&filename_levelinfo,
6852             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6853
6854   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6855   {
6856     fprintf(file, "\n");
6857     fprintf(file, "# level %d was modified from:\n", level_nr);
6858     fprintf(file, "# - previous level set name:    %s\n",
6859             former_name);
6860     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6861             level.file_info.nr, level.name);
6862     fprintf(file, "# - previous author:            %s\n",
6863             level.author);
6864     fprintf(file, "# - previous save date:         ");
6865
6866     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6867     {
6868       fprintf(file, "%04d-%02d-%02d\n",
6869               level.creation_date.year,
6870               level.creation_date.month,
6871               level.creation_date.day);
6872     }
6873     else
6874     {
6875       fprintf(file, "not recorded\n");
6876     }
6877
6878     fclose(file);
6879   }
6880
6881   if (level_nr > leveldir_current->last_level)
6882   {
6883     static char *temp_levelinfo = NULL;
6884     FILE *temp_file = NULL;
6885     char line[MAX_LINE_LEN];
6886
6887     setString(&temp_levelinfo,
6888               getPath2(getCurrentLevelDir(),
6889                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6890
6891     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6892         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6893     {
6894       while (fgets(line, MAX_LINE_LEN, file))
6895       {
6896         if (!strPrefix(line, "levels:"))
6897           fputs(line, temp_file);
6898         else
6899           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6900       }
6901     }
6902
6903     if (temp_file)
6904       fclose(temp_file);
6905
6906     if (file)
6907       fclose(file);
6908
6909     // needs error handling; also, ok on dos/win?
6910     unlink(filename_levelinfo);
6911     rename(temp_levelinfo, filename_levelinfo);
6912   }
6913
6914   // else: allow the save even if annotation failed
6915
6916   // now... spray graffiti on the old level vital statistics
6917   // user can change these; just trying to set a good baseline
6918
6919   // don't truncate names for fear of making offensive or silly:
6920   // long-named original author only recorded in levelinfo.conf.
6921   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
6922   if (!strEqual(level.author, leveldir_current->author))
6923   {
6924     setString(&mod_name, getStringCat3(leveldir_current->author,
6925                                        " after ", level.author));
6926
6927     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6928       setString(&mod_name,
6929                 getStringCat2(leveldir_current->author, " (ed.)"));
6930
6931     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
6932       setString(&mod_name, leveldir_current->author);
6933
6934     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
6935
6936     // less worried about truncation here
6937     setString(&mod_name, getStringCat2("Mod: ", level.name));
6938     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
6939   }
6940 }
6941
6942 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
6943                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
6944 {
6945   int x, y;
6946
6947   for (x = 0; x < lev_fieldx; x++)
6948     for (y = 0; y < lev_fieldy; y++)
6949       dst[x][y] = src[x][y];
6950 }
6951
6952 static int setSelectboxValue(int selectbox_id, int new_value)
6953 {
6954   int new_index_value = 0;
6955   int i;
6956
6957   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
6958     if (selectbox_info[selectbox_id].options[i].value == new_value)
6959       new_index_value = i;
6960
6961   *selectbox_info[selectbox_id].value =
6962     selectbox_info[selectbox_id].options[new_index_value].value;
6963
6964   return new_index_value;
6965 }
6966
6967 static void setSelectboxSpecialActionVariablesIfNeeded()
6968 {
6969   int i;
6970
6971   /* change action mode and arg variables according to action type variable */
6972   for (i = 0; action_arg_options[i].value != -1; i++)
6973   {
6974     if (action_arg_options[i].value == custom_element_change.action_type)
6975     {
6976       int mode = action_arg_options[i].mode;
6977
6978       /* only change if corresponding selectbox has changed */
6979       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
6980           action_arg_modes[mode])
6981         custom_element_change.action_mode = -1;
6982
6983       /* only change if corresponding selectbox has changed */
6984       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
6985           action_arg_options[i].options)
6986         custom_element_change.action_arg = -1;
6987
6988       break;
6989     }
6990   }
6991 }
6992
6993 static void setSelectboxSpecialActionOptions()
6994 {
6995   int i;
6996
6997   /* change action mode and arg selectbox according to action type selectbox */
6998   for (i = 0; action_arg_options[i].value != -1; i++)
6999   {
7000     if (action_arg_options[i].value == custom_element_change.action_type)
7001     {
7002       int mode = action_arg_options[i].mode;
7003
7004       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7005                                    action_arg_modes[mode]);
7006       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7007                                  custom_element_change.action_mode);
7008
7009       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7010                                    action_arg_options[i].options);
7011       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7012                                  custom_element_change.action_arg);
7013       break;
7014     }
7015   }
7016 }
7017
7018 static void copy_custom_element_settings(int element_from, int element_to)
7019 {
7020   struct ElementInfo *ei_from = &element_info[element_from];
7021   struct ElementInfo *ei_to = &element_info[element_to];
7022
7023   copyElementInfo(ei_from, ei_to);
7024 }
7025
7026 static void replace_custom_element_in_settings(int element_from,
7027                                                int element_to)
7028 {
7029   int i, j, x, y;
7030
7031   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7032   {
7033     struct ElementInfo *ei = &element_info[i];
7034
7035     for (y = 0; y < 3; y++)
7036       for (x = 0; x < 3; x++)
7037         if (ei->content.e[x][y] == element_from)
7038           ei->content.e[x][y] = element_to;
7039
7040     for (j = 0; j < ei->num_change_pages; j++)
7041     {
7042       struct ElementChangeInfo *change = &ei->change_page[j];
7043
7044       if (change->target_element == element_from)
7045         change->target_element = element_to;
7046
7047       if (change->initial_trigger_element == element_from)
7048         change->initial_trigger_element = element_to;
7049
7050       if (change->action_element == element_from)
7051         change->action_element = element_to;
7052
7053       for (y = 0; y < 3; y++)
7054         for (x = 0; x < 3; x++)
7055           if (change->target_content.e[x][y] == element_from)
7056             change->target_content.e[x][y] = element_to;
7057     }
7058
7059     if (ei->group != NULL)                              /* group or internal */
7060       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7061         if (ei->group->element[j] == element_from)
7062           ei->group->element[j] = element_to;
7063   }
7064 }
7065
7066 static void replace_custom_element_in_playfield(int element_from,
7067                                                 int element_to)
7068 {
7069   int x, y;
7070
7071   for (x = 0; x < lev_fieldx; x++)
7072     for (y = 0; y < lev_fieldy; y++)
7073       if (Feld[x][y] == element_from)
7074         Feld[x][y] = element_to;
7075 }
7076
7077 static boolean CopyCustomElement(int element_old, int element_new,
7078                                  int copy_mode)
7079 {
7080   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7081   {
7082     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7083                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7084     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7085   }
7086   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7087   {
7088     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7089                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7090     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7091
7092     level.changed = TRUE;
7093   }
7094   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7095   {
7096     Request("Please choose custom element!", REQ_CONFIRM);
7097
7098     return FALSE;
7099   }
7100   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7101   {
7102     Request("Please choose group element!", REQ_CONFIRM);
7103
7104     return FALSE;
7105   }
7106   else
7107   {
7108     level.changed = TRUE;
7109   }
7110
7111   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7112   {
7113     copy_custom_element_settings(element_new, element_old);
7114   }
7115   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7116   {
7117     copy_custom_element_settings(element_old, element_new);
7118   }
7119   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7120   {
7121     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7122     copy_custom_element_settings(element_new, element_old);
7123     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7124
7125     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7126     replace_custom_element_in_settings(element_new, element_old);
7127     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7128
7129     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7130     replace_custom_element_in_playfield(element_new, element_old);
7131     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7132   }
7133
7134   UpdateCustomElementGraphicGadgets();
7135   DrawPropertiesWindow();
7136
7137   return TRUE;
7138 }
7139
7140 static void CopyCustomElementPropertiesToEditor(int element)
7141 {
7142   int i;
7143   int current_change_page = element_info[element].current_change_page;
7144
7145   /* dynamically (re)build selectbox for selecting change page */
7146   for (i = 0; i < element_info[element].num_change_pages; i++)
7147   {
7148     sprintf(options_change_page_strings[i], "%d", i + 1);
7149
7150     options_change_page[i].value = i;
7151     options_change_page[i].text = options_change_page_strings[i];
7152   }
7153
7154   options_change_page[i].value = -1;
7155   options_change_page[i].text = NULL;
7156
7157   /* needed here to initialize combined element properties */
7158   InitElementPropertiesEngine(level.game_version);
7159
7160   element_info[element].change =
7161     &element_info[element].change_page[current_change_page];
7162
7163   custom_element = element_info[element];
7164   custom_element_change = *element_info[element].change;
7165
7166   /* needed to initially set selectbox options for special action options */
7167   setSelectboxSpecialActionOptions();
7168
7169   /* needed to initially set selectbox value variables to reliable defaults */
7170   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7171     setSelectboxValue(i, *selectbox_info[i].value);
7172
7173   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7174     custom_element_properties[i] = HAS_PROPERTY(element, i);
7175
7176   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7177     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7178
7179   /* ---------- element settings: configure (custom elements) ------------- */
7180
7181   /* set accessible layer selectbox help value */
7182   custom_element.access_type =
7183     (IS_WALKABLE(element) ? EP_WALKABLE :
7184      IS_PASSABLE(element) ? EP_PASSABLE :
7185      custom_element.access_type);
7186   custom_element.access_layer =
7187     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7188      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7189      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7190      custom_element.access_layer);
7191   custom_element.access_protected =
7192     (IS_PROTECTED(element) ? 1 : 0);
7193   custom_element_properties[EP_ACCESSIBLE] =
7194     (IS_ACCESSIBLE_OVER(element) ||
7195      IS_ACCESSIBLE_INSIDE(element) ||
7196      IS_ACCESSIBLE_UNDER(element));
7197
7198   /* set walk-to-object action selectbox help value */
7199   custom_element.walk_to_action =
7200     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7201      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7202      IS_DROPPABLE(element) ? EP_DROPPABLE :
7203      IS_THROWABLE(element) ? EP_THROWABLE :
7204      IS_PUSHABLE(element) ? EP_PUSHABLE :
7205      custom_element.walk_to_action);
7206   custom_element_properties[EP_WALK_TO_OBJECT] =
7207     (IS_DIGGABLE(element) ||
7208      IS_COLLECTIBLE_ONLY(element) ||
7209      IS_DROPPABLE(element) ||
7210      IS_THROWABLE(element) ||
7211      IS_PUSHABLE(element));
7212
7213   /* set smash targets selectbox help value */
7214   custom_element.smash_targets =
7215     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7216      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7217      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7218      custom_element.smash_targets);
7219   custom_element_properties[EP_CAN_SMASH] =
7220     (CAN_SMASH_EVERYTHING(element) ||
7221      CAN_SMASH_ENEMIES(element) ||
7222      CAN_SMASH_PLAYER(element));
7223
7224   /* set deadliness selectbox help value */
7225   custom_element.deadliness =
7226     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7227      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7228      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7229      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7230      custom_element.deadliness);
7231   custom_element_properties[EP_DEADLY] =
7232     (DONT_TOUCH(element) ||
7233      DONT_GET_HIT_BY(element) ||
7234      DONT_COLLIDE_WITH(element) ||
7235      DONT_RUN_INTO(element));
7236
7237   /* ---------- element settings: advanced (custom elements) --------------- */
7238
7239   /* set "change by direct action" selectbox help value */
7240   custom_element_change.direct_action =
7241     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7242      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7243      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7244      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7245      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7246      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7247      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7248      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7249      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7250      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7251      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7252      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7253      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7254      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7255      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7256      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7257      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7258      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7259      custom_element_change.direct_action);
7260
7261   /* set "change by other element action" selectbox help value */
7262   custom_element_change.other_action =
7263     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7264      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7265      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7266      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7267      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7268      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7269      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7270      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7271      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7272      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7273      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7274      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7275      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7276      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7277      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7278      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7279      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7280      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7281      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7282      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7283      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7284      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7285      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7286      custom_element_change.other_action);
7287 }
7288
7289 static void CopyGroupElementPropertiesToEditor(int element)
7290 {
7291   group_element_info = *element_info[element].group;
7292   custom_element = element_info[element];       /* needed for description */
7293 }
7294
7295 static void CopyClassicElementPropertiesToEditor(int element)
7296 {
7297   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7298     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7299       getMoveIntoAcidProperty(&level, element);
7300
7301   if (MAYBE_DONT_COLLIDE_WITH(element))
7302     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7303       getDontCollideWithProperty(&level, element);
7304 }
7305
7306 static void CopyElementPropertiesToEditor(int element)
7307 {
7308   if (IS_CUSTOM_ELEMENT(element))
7309     CopyCustomElementPropertiesToEditor(element);
7310   else if (IS_GROUP_ELEMENT(element))
7311     CopyGroupElementPropertiesToEditor(element);
7312   else
7313     CopyClassicElementPropertiesToEditor(element);
7314 }
7315
7316 static void CopyCustomElementPropertiesToGame(int element)
7317 {
7318   int i;
7319   int access_type_and_layer;
7320
7321   /* mark that this custom element has been modified */
7322   custom_element.modified_settings = TRUE;
7323   level.changed = TRUE;
7324
7325   if (level.use_custom_template)
7326   {
7327     if (Request("Copy and modify level template?", REQ_ASK))
7328     {
7329       level.use_custom_template = FALSE;
7330       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7331                    GDI_CHECKED, FALSE, GDI_END);
7332     }
7333     else
7334     {
7335       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7336
7337       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7338     }
7339   }
7340
7341   element_info[element] = custom_element;
7342   *element_info[element].change = custom_element_change;
7343
7344   /* ---------- element settings: configure (custom elements) ------------- */
7345
7346   /* set accessible property from checkbox and selectbox */
7347   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7348   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7349   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7350   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7351   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7352   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7353   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7354                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7355                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7356   custom_element_properties[access_type_and_layer] =
7357     custom_element_properties[EP_ACCESSIBLE];
7358   custom_element_properties[EP_PROTECTED] =
7359     (custom_element.access_protected != 0 &&
7360      custom_element_properties[EP_ACCESSIBLE]);
7361
7362   /* set walk-to-object property from checkbox and selectbox */
7363   custom_element_properties[EP_DIGGABLE] = FALSE;
7364   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7365   custom_element_properties[EP_DROPPABLE] = FALSE;
7366   custom_element_properties[EP_THROWABLE] = FALSE;
7367   custom_element_properties[EP_PUSHABLE] = FALSE;
7368   custom_element_properties[custom_element.walk_to_action] =
7369     custom_element_properties[EP_WALK_TO_OBJECT];
7370
7371   /* set smash property from checkbox and selectbox */
7372   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7373   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7374   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7375   custom_element_properties[custom_element.smash_targets] =
7376     custom_element_properties[EP_CAN_SMASH];
7377
7378   /* set deadliness property from checkbox and selectbox */
7379   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7380   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7381   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7382   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7383   custom_element_properties[custom_element.deadliness] =
7384     custom_element_properties[EP_DEADLY];
7385
7386   /* ---------- element settings: advanced (custom elements) --------------- */
7387
7388   /* set player change event from checkbox and selectbox */
7389   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7390   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7391   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7392   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7393   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7394   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7395   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7396   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7397   custom_element_change_events[CE_SWITCHED] = FALSE;
7398   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7399   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7400   custom_element_change_events[CE_BLOCKED] = FALSE;
7401   custom_element_change_events[CE_IMPACT] = FALSE;
7402   custom_element_change_events[CE_SMASHED] = FALSE;
7403   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7404   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7405   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7406   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7407   custom_element_change_events[custom_element_change.direct_action] =
7408     custom_element_change_events[CE_BY_DIRECT_ACTION];
7409
7410   /* set other element action change event from checkbox and selectbox */
7411   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7412   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7413   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7414   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7415   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7416   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7417   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7418   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7419   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7420   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7421   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7422   custom_element_change_events[CE_HITTING_X] = FALSE;
7423   custom_element_change_events[CE_DIGGING_X] = FALSE;
7424   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7425   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7426   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7427   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7428   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7429   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7430   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7431   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7432   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7433   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7434   custom_element_change_events[custom_element_change.other_action] =
7435     custom_element_change_events[CE_BY_OTHER_ACTION];
7436
7437   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7438     SET_PROPERTY(element, i, custom_element_properties[i]);
7439
7440   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7441     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7442
7443   /* copy change events also to special level editor variable */
7444   custom_element = element_info[element];
7445   custom_element_change = *element_info[element].change;
7446 }
7447
7448 static void CopyGroupElementPropertiesToGame(int element)
7449 {
7450   element_info[element] = custom_element;
7451   *element_info[element].group = group_element_info;
7452
7453   /* mark that this group element has been modified */
7454   element_info[element].modified_settings = TRUE;
7455   level.changed = TRUE;
7456 }
7457
7458 static void CopyClassicElementPropertiesToGame(int element)
7459 {
7460   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7461     setMoveIntoAcidProperty(&level, element,
7462                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7463
7464   if (MAYBE_DONT_COLLIDE_WITH(element))
7465     setDontCollideWithProperty(&level, element,
7466                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7467 }
7468
7469 static void CopyElementPropertiesToGame(int element)
7470 {
7471   if (IS_CUSTOM_ELEMENT(element))
7472     CopyCustomElementPropertiesToGame(element);
7473   else if (IS_GROUP_ELEMENT(element))
7474     CopyGroupElementPropertiesToGame(element);
7475   else
7476     CopyClassicElementPropertiesToGame(element);
7477 }
7478
7479 void CheckElementDescriptions()
7480 {
7481   int i;
7482
7483   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7484     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7485       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7486 }
7487
7488 static int getMaxEdFieldX(boolean has_scrollbar)
7489 {
7490   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7491   int sxsize = SXSIZE - scrollbar_width;
7492   int max_ed_fieldx = sxsize / ed_tilesize;
7493
7494   return max_ed_fieldx;
7495 }
7496
7497 static int getMaxEdFieldY(boolean has_scrollbar)
7498 {
7499   int infotext_height = INFOTEXT_YSIZE;
7500   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7501   int sysize = SYSIZE - scrollbar_height - infotext_height;
7502   int max_ed_fieldy = sysize / ed_tilesize;
7503
7504   return max_ed_fieldy;
7505 }
7506
7507 void InitZoomLevelSettings()
7508 {
7509   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7510   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7511 }
7512
7513 static boolean playfield_area_changed = FALSE;
7514
7515 void DrawLevelEd()
7516 {
7517   StopAnimation();
7518
7519   CloseDoor(DOOR_CLOSE_ALL);
7520
7521   FadeOut(REDRAW_FIELD);
7522
7523   /* needed after playing if editor playfield area has different size */
7524   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7525
7526   /* needed if different viewport properties defined for editor */
7527   ChangeViewportPropertiesIfNeeded();
7528
7529   InitZoomLevelSettings();
7530
7531   playfield_area_changed = DrawingAreaChanged();
7532
7533   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7534
7535 #if DEBUG
7536   CheckElementDescriptions();
7537 #endif
7538
7539   if (level_editor_test_game)
7540   {
7541     CopyPlayfield(level.field, Feld);
7542     CopyPlayfield(FieldBackup, level.field);
7543
7544     level_editor_test_game = FALSE;
7545   }
7546   else
7547   {
7548     edit_mode = ED_MODE_DRAWING;
7549     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7550     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7551
7552     ResetUndoBuffer();
7553
7554     level_xpos = -1;
7555     level_ypos = -1;
7556   }
7557
7558   /* needed for gadgets drawn on background (like palette scrollbar) */
7559   SetDoorBackgroundImage(IMG_UNDEFINED);
7560
7561   /* copy default editor door content to main double buffer */
7562   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7563              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7564              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7565              DXSIZE, DYSIZE, DX, DY);
7566
7567   /* draw bigger door */
7568   DrawSpecialEditorDoor();
7569
7570   /* draw new control window */
7571   BlitBitmap(graphic_info[IMG_GLOBAL_DOOR].bitmap, drawto,
7572              DOOR_GFX_PAGEX8, 236, EXSIZE, EYSIZE, EX, EY);
7573
7574   // redraw_mask |= REDRAW_ALL;
7575
7576   FreeLevelEditorGadgets();
7577   CreateLevelEditorGadgets();
7578
7579   ReinitializeElementList();            /* update dynamic level element list */
7580   ReinitializeElementListButtons();     /* custom element may look different */
7581
7582   InitElementPropertiesGfxElement();
7583
7584   UnmapAllGadgets();
7585   MapControlButtons();
7586
7587   DrawEditModeWindow();
7588
7589   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7590
7591   /* copy actual editor door content to door double buffer for OpenDoor() */
7592   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7593 }
7594
7595 static void AdjustDrawingAreaGadgets()
7596 {
7597   int ed_xsize = lev_fieldx + 2;
7598   int ed_ysize = lev_fieldy + 2;
7599   int max_ed_fieldx = MAX_ED_FIELDX;
7600   int max_ed_fieldy = MAX_ED_FIELDY;
7601   boolean horizontal_scrollbar_needed;
7602   boolean vertical_scrollbar_needed;
7603   int x, y, width, height;
7604
7605   /* check if we need any scrollbars */
7606   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7607   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7608
7609   /* check if we have a smaller editor field because of scrollbars */
7610   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7611   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7612
7613   /* check again if we now need more scrollbars because of less space */
7614   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7615   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7616
7617   /* check if editor field gets even smaller after adding new scrollbars */
7618   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7619   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7620
7621   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7622   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7623
7624   x = SX + ed_fieldx * ed_tilesize;
7625   y = SY + ed_fieldy * ed_tilesize;
7626
7627   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7628   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7629
7630   /* adjust drawing area gadget */
7631   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7632                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7633                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7634                GDI_END);
7635
7636   /* adjust horizontal scrollbar gadgets */
7637   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7638                GDI_Y, y,
7639                GDI_END);
7640   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7641                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7642                GDI_Y, y,
7643                GDI_END);
7644   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7645                GDI_Y, y,
7646                GDI_WIDTH, width,
7647                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7648                GDI_END);
7649
7650   /* adjust vertical scrollbar gadgets */
7651   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7652                GDI_X, x,
7653                GDI_END);
7654   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7655                GDI_X, x,
7656                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7657                GDI_END);
7658   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7659                GDI_X, x,
7660                GDI_HEIGHT, height,
7661                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7662                GDI_END);
7663 }
7664
7665 static void AdjustLevelScrollPosition()
7666 {
7667   if (level_xpos < -1)
7668     level_xpos = -1;
7669   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7670     level_xpos = lev_fieldx - ed_fieldx + 1;
7671   if (lev_fieldx < ed_fieldx - 2)
7672     level_xpos = -1;
7673
7674   if (level_ypos < -1)
7675     level_ypos = -1;
7676   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7677     level_ypos = lev_fieldy - ed_fieldy + 1;
7678   if (lev_fieldy < ed_fieldy - 2)
7679     level_ypos = -1;
7680 }
7681
7682 static void AdjustEditorScrollbar(int id)
7683 {
7684   struct GadgetInfo *gi = level_editor_gadget[id];
7685   int items_max, items_visible, item_position;
7686
7687   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7688   {
7689     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7690     items_visible = ed_fieldx;
7691     item_position = level_xpos + 1;
7692   }
7693   else
7694   {
7695     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7696     items_visible = ed_fieldy;
7697     item_position = level_ypos + 1;
7698   }
7699
7700   if (item_position > items_max - items_visible)
7701     item_position = items_max - items_visible;
7702
7703   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7704                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7705 }
7706
7707 static void AdjustElementListScrollbar()
7708 {
7709   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7710   int items_max, items_visible, item_position;
7711
7712   /* correct position of element list scrollbar */
7713   if (element_shift < 0)
7714     element_shift = 0;
7715   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7716     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7717
7718   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7719   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7720   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7721
7722   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7723                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7724                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7725 }
7726
7727 static void ModifyEditorCounterValue(int counter_id, int new_value)
7728 {
7729   int *counter_value = counterbutton_info[counter_id].value;
7730   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7731   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7732
7733   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7734
7735   if (counter_value != NULL)
7736     *counter_value = gi->textinput.number_value;
7737 }
7738
7739 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7740 {
7741   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7742   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7743
7744   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7745
7746   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7747       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7748   {
7749     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7750     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7751
7752     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7753     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_DISTANCE,GDI_END);
7754   }
7755 }
7756
7757 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7758 {
7759   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7760   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7761   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7762
7763   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7764 }
7765
7766 static void ModifyEditorSelectboxOptions(int selectbox_id,
7767                                          struct ValueTextInfo *options)
7768 {
7769   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7770   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7771
7772   selectbox_info[selectbox_id].options = options;
7773
7774   /* set index to zero -- list may be shorter now (correct later, if needed) */
7775   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7776                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7777 }
7778
7779 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7780 {
7781   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7782   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7783
7784   drawingarea_info[drawingarea_id].area_xsize = xsize;
7785   drawingarea_info[drawingarea_id].area_ysize = ysize;
7786
7787   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7788 }
7789
7790 static void ModifyEditorElementList()
7791 {
7792   int i;
7793
7794   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7795   {
7796     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7797     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7798     struct GadgetDesign *gd = &gi->deco.design;
7799     int element = editor_elements[element_shift + i];
7800
7801     UnmapGadget(gi);
7802
7803     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7804
7805     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7806
7807     MapGadget(gi);
7808   }
7809 }
7810
7811 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7812 {
7813   int graphic = el2edimg(element);
7814   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7815
7816   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7817 }
7818
7819 static void PickDrawingElement(int button, int element)
7820 {
7821   struct
7822   {
7823     int *new_element;
7824     struct EditorPaletteElementInfo *e;
7825   } de, drawing_elements[] =
7826   {
7827     { &new_element1,    &editor.palette.element_left    },
7828     { &new_element2,    &editor.palette.element_middle  },
7829     { &new_element3,    &editor.palette.element_right   },
7830   };
7831
7832   if (button < 1 || button > 3)
7833     return;
7834
7835   de = drawing_elements[button - 1];
7836
7837   DrawDrawingElement((*de.new_element = element), de.e);
7838
7839   redraw_mask |= REDRAW_DOOR_1;
7840 }
7841
7842 static void RedrawDrawingElements()
7843 {
7844   PickDrawingElement(1, new_element1);
7845   PickDrawingElement(2, new_element2);
7846   PickDrawingElement(3, new_element3);
7847 }
7848
7849 static void DrawDrawingWindow()
7850 {
7851   stick_element_properties_window = FALSE;
7852
7853   SetMainBackgroundImage(IMG_UNDEFINED);
7854   ClearField();
7855
7856   UnmapLevelEditorFieldGadgets();
7857   UnmapLevelEditorToolboxCustomGadgets();
7858
7859   AdjustDrawingAreaGadgets();
7860   AdjustLevelScrollPosition();
7861   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7862   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7863
7864   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7865
7866   MapMainDrawingArea();
7867   MapLevelEditorToolboxDrawingGadgets();
7868 }
7869
7870 static int getTabulatorBarWidth()
7871 {
7872   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7873   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7874
7875   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7876 }
7877
7878 static void DrawLevelInfoTabulatorGadgets()
7879 {
7880   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7881   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7882   int gd_x = gd->x + gd_gi1->border.width / 2;
7883   int gd_y = gd->y + gd_gi1->height - 1;
7884   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7885   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7886   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7887   int i;
7888
7889   for (i = id_first; i <= id_last; i++)
7890   {
7891     int gadget_id = textbutton_info[i].gadget_id;
7892     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7893     boolean active = (i != edit_mode_levelinfo);
7894
7895     /* draw background line below tabulator button */
7896     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7897
7898     /* draw solid line below inactive tabulator buttons */
7899     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7900       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7901
7902     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7903     MapTextbuttonGadget(i);
7904   }
7905
7906   /* draw little border line below tabulator buttons */
7907   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7908     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7909                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7910                   tab_color);
7911 }
7912
7913 static void DrawPropertiesTabulatorGadgets()
7914 {
7915   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7916   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7917   int gd_x = gd->x + gd_gi1->border.width / 2;
7918   int gd_y = gd->y + gd_gi1->height - 1;
7919   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7920   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
7921   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
7922   int i;
7923
7924   /* draw two config tabulators for player elements */
7925   if (ELEM_IS_PLAYER(properties_element))
7926     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
7927
7928   /* draw two config and one "change" tabulator for custom elements */
7929   if (IS_CUSTOM_ELEMENT(properties_element))
7930     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
7931
7932   for (i = id_first; i <= id_last; i++)
7933   {
7934     int gadget_id = textbutton_info[i].gadget_id;
7935     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7936     boolean active = (i != edit_mode_properties);
7937
7938     /* use "config 1" and "config 2" instead of "config" for players and CEs */
7939     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
7940         (ELEM_IS_PLAYER(properties_element) ||
7941          IS_CUSTOM_ELEMENT(properties_element)))
7942       continue;
7943
7944     /* draw background line below tabulator button */
7945     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
7946
7947     /* draw solid line below inactive tabulator buttons */
7948     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
7949       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width, 1, tab_color);
7950
7951     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
7952     MapTextbuttonGadget(i);
7953   }
7954
7955   /* draw little border line below tabulator buttons */
7956   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
7957     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height + 1,
7958                   getTabulatorBarWidth(), ED_GADGET_DISTANCE,
7959                   tab_color);
7960 }
7961
7962 static void DrawLevelInfoLevel()
7963 {
7964   int i;
7965
7966   /* draw counter gadgets */
7967   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
7968     MapCounterButtons(i);
7969
7970   /* draw selectbox gadgets */
7971   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
7972     MapSelectboxGadget(i);
7973
7974   /* draw text input gadgets */
7975   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
7976     MapTextInputGadget(i);
7977 }
7978
7979 static void DrawLevelInfoEditor()
7980 {
7981   int i;
7982
7983   /* draw counter gadgets */
7984   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
7985     MapCounterButtons(i);
7986
7987   /* draw checkbutton gadgets */
7988   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
7989     MapCheckbuttonGadget(i);
7990
7991   /* draw radiobutton gadgets */
7992   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
7993     MapRadiobuttonGadget(i);
7994
7995   /* draw drawing area */
7996   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
7997 }
7998
7999 static void DrawLevelInfoWindow()
8000 {
8001   stick_element_properties_window = FALSE;
8002
8003   UnmapLevelEditorFieldGadgets();
8004
8005   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8006   ClearField();
8007
8008   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Global Settings");
8009
8010   DrawLevelInfoTabulatorGadgets();
8011
8012   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8013     DrawLevelInfoLevel();
8014   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8015     DrawLevelInfoEditor();
8016 }
8017
8018 static void DrawCustomContentArea()
8019 {
8020   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8021   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8022   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8023   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8024   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8025   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
8026
8027   /* add distance for potential left text (without drawing area border) */
8028   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8029
8030   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8031
8032   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8033 }
8034
8035 static void DrawCustomChangeContentArea()
8036 {
8037   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8038   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8039   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8040   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8041   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8042   int xoffset = ED_DRAWINGAREA_TEXT_DISTANCE;
8043
8044   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8045
8046   MapDrawingArea(id);
8047 }
8048
8049 static void DrawYamYamContentAreas()
8050 {
8051   int x = SX + ED_AREA_YAMYAM_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8052   int y = SY + ED_AREA_YAMYAM_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8053   int i;
8054
8055   /* display counter to choose number of element content areas */
8056   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8057
8058   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8059   {
8060     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8061
8062     if (i < level.num_yamyam_contents)
8063     {
8064       MapDrawingArea(id);
8065     }
8066     else
8067     {
8068       int font_height = getFontHeight(FONT_TEXT_1);
8069
8070       UnmapDrawingArea(id);
8071
8072       /* delete content areas in case of reducing number of them */
8073       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8074                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8075                      4 * MINI_TILEX,
8076                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8077     }
8078   }
8079
8080   DrawText(x, y + 0 * MINI_TILEY, "content", FONT_TEXT_1);
8081   DrawText(x, y + 1 * MINI_TILEY, "when",    FONT_TEXT_1);
8082   DrawText(x, y + 2 * MINI_TILEY, "smashed", FONT_TEXT_1);
8083 }
8084
8085 static void DrawMagicBallContentAreas()
8086 {
8087   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_XPOS(3) + 4 * MINI_TILEX;
8088   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_YPOS(0) + ED_BORDER_AREA_YSIZE;
8089   int i;
8090
8091   /* display counter to choose number of element content areas */
8092   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8093
8094   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8095   {
8096     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8097
8098     if (i < level.num_ball_contents)
8099     {
8100       MapDrawingArea(id);
8101     }
8102     else
8103     {
8104       int font_height = getFontHeight(FONT_TEXT_1);
8105
8106       UnmapDrawingArea(id);
8107
8108       /* delete content areas in case of reducing number of them */
8109       DrawBackground(SX + drawingarea_info[id].x - MINI_TILEX / 2,
8110                      SY + drawingarea_info[id].y - MINI_TILEY / 2,
8111                      4 * MINI_TILEX,
8112                      4 * MINI_TILEY + ED_GADGET_TEXT_DISTANCE + font_height);
8113     }
8114   }
8115
8116   DrawText(x, y + 0 * MINI_TILEY, "generated", FONT_TEXT_1);
8117   DrawText(x, y + 1 * MINI_TILEY, "when",      FONT_TEXT_1);
8118   DrawText(x, y + 2 * MINI_TILEY, "active",    FONT_TEXT_1);
8119 }
8120
8121 static void DrawAndroidElementArea(int element)
8122 {
8123   int num_elements = level.num_android_clone_elements;
8124   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8125   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8126   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8127   int xsize = MAX_ANDROID_ELEMENTS;
8128   int ysize = 1;
8129
8130   /* display counter to choose number of element areas */
8131   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8132
8133   if (drawingarea_info[id].text_left != NULL)
8134     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8135
8136   UnmapDrawingArea(id);
8137
8138   ModifyEditorDrawingArea(id, num_elements, 1);
8139
8140   /* delete content areas in case of reducing number of them */
8141   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8142
8143   MapDrawingArea(id);
8144 }
8145
8146 static void DrawGroupElementArea(int element)
8147 {
8148   int num_elements = group_element_info.num_elements;
8149   int id = ED_DRAWING_ID_GROUP_CONTENT;
8150   int bx = ED_ELEMENT_BORDER_INPUT;
8151   int by = ED_ELEMENT_BORDER_INPUT;
8152   int sx = SX + drawingarea_info[id].x - bx;
8153   int sy = SY + drawingarea_info[id].y - by;
8154   int xsize = MAX_ELEMENTS_IN_GROUP;
8155   int ysize = 1;
8156
8157   if (drawingarea_info[id].text_left != NULL)
8158     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8159
8160   UnmapDrawingArea(id);
8161
8162   ModifyEditorDrawingArea(id, num_elements, 1);
8163
8164   /* delete content areas in case of reducing number of them */
8165   DrawBackground(sx, sy, xsize * MINI_TILEX + 2*bx, ysize * MINI_TILEY + 2*by);
8166
8167   MapDrawingArea(id);
8168 }
8169
8170 static void DrawPlayerInitialInventoryArea(int element)
8171 {
8172   int player_nr = GET_PLAYER_NR(element);
8173   int num_elements = level.initial_inventory_size[player_nr];
8174   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8175   int sx = SX + drawingarea_info[id].x - MINI_TILEX / 2;
8176   int sy = SY + drawingarea_info[id].y - MINI_TILEY / 2;
8177   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8178   int ysize = 1;
8179
8180   /* determine horizontal position to the right of specified gadget */
8181   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8182     sx += (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8183            ED_DRAWINGAREA_TEXT_DISTANCE);
8184
8185   /* determine horizontal offset for leading text */
8186   if (drawingarea_info[id].text_left != NULL)
8187     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8188
8189   UnmapDrawingArea(id);
8190
8191   ModifyEditorDrawingArea(id, num_elements, 1);
8192
8193   /* delete content areas in case of reducing number of them */
8194   DrawBackground(sx, sy, (xsize + 1) * MINI_TILEX, (ysize + 1) * MINI_TILEY);
8195
8196   MapDrawingArea(id);
8197 }
8198
8199 static void DrawEnvelopeTextArea(int envelope_nr)
8200 {
8201   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8202   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8203
8204   UnmapGadget(gi);
8205   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8206
8207   if (envelope_nr != -1)
8208     textarea_info[id].value = level.envelope[envelope_nr].text;
8209
8210   ModifyGadget(gi, GDI_AREA_SIZE,
8211                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8212                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8213                GDI_END);
8214
8215   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8216 }
8217
8218 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8219 {
8220   int font_height = getFontHeight(font_nr);
8221   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8222   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8223   int sx = SX + pad_x;
8224   int sy = SY + pad_y;
8225   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8226
8227   if (start_line >= max_lines_per_screen)
8228     return FALSE;
8229
8230   DrawText(sx, sy + start_line * font_height, text, font_nr);
8231
8232   return TRUE;
8233 }
8234
8235 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8236 {
8237   int font_nr = FONT_TEXT_2;
8238   int font_width = getFontWidth(font_nr);
8239   int font_height = getFontHeight(font_nr);
8240   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8241   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8242   int sx = SX + pad_x;
8243   int sy = SY + pad_y + start_line * font_height;
8244   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8245   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8246   int max_lines_drawable = max_lines_per_screen - start_line;
8247
8248   if (start_line >= max_lines_per_screen)
8249     return FALSE;
8250
8251   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8252                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8253 }
8254
8255 static void DrawPropertiesInfo()
8256 {
8257   static struct
8258   {
8259     int value;
8260     char *text;
8261   }
8262   properties[] =
8263   {
8264     /* configurable properties */
8265
8266     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8267     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8268     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8269     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8270     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8271     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8272     { EP_PROTECTED,             "- player is protected by it"           },
8273
8274     { EP_DIGGABLE,              "- can be digged away"                  },
8275     { EP_COLLECTIBLE,           "- can be collected"                    },
8276     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8277     { EP_THROWABLE,             "- can be thrown after collecting"      },
8278     { EP_PUSHABLE,              "- can be pushed"                       },
8279
8280     { EP_CAN_FALL,              "- can fall"                            },
8281     { EP_CAN_MOVE,              "- can move"                            },
8282
8283     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8284 #if 0
8285     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8286 #endif
8287     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8288
8289     { EP_SLIPPERY,              "- slippery for falling elements"       },
8290     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8291
8292     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8293     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8294     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8295     { EP_DONT_TOUCH,            "- deadly when touching"                },
8296
8297     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8298
8299     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8300     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8301     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8302
8303     { EP_CAN_CHANGE,            "- can change to other element"         },
8304
8305     /* pre-defined properties */
8306     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8307     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8308     { EP_SWITCHABLE,            "- can be switched"                     },
8309 #if 0
8310     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8311 #endif
8312
8313     { -1,                       NULL                                    }
8314   };
8315   char *filename = getElementDescriptionFilename(properties_element);
8316   char *percentage_text = "In this level: ";
8317   char *properties_text = "Standard properties: ";
8318   float percentage;
8319   int num_elements_in_level;
8320   int num_standard_properties = 0;
8321   int font1_nr = FONT_TEXT_1;
8322   int font2_nr = FONT_TEXT_2;
8323   int font1_width = getFontWidth(font1_nr);
8324   int font2_height = getFontHeight(font2_nr);
8325   int pad_x = ED_ELEMENT_SETTINGS_XPOS(0);
8326   int pad_y = ED_ELEMENT_SETTINGS_YPOS(0) + ED_BORDER_SIZE;
8327   int screen_line = 0;
8328   int i, x, y;
8329
8330   if (setup.editor.show_element_token)
8331   {
8332     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8333               "[%s]", element_info[properties_element].token_name);
8334     screen_line++;
8335   }
8336
8337   /* ----- print number of elements / percentage of this element in level */
8338
8339   num_elements_in_level = 0;
8340   for (y = 0; y < lev_fieldy; y++)
8341     for (x = 0; x < lev_fieldx; x++)
8342       if (Feld[x][y] == properties_element)
8343         num_elements_in_level++;
8344   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8345
8346   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8347             percentage_text);
8348   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8349             pad_y + screen_line++ * font2_height, font2_nr,
8350             "%d (%.2f%%)", num_elements_in_level, percentage);
8351
8352   screen_line++;
8353
8354   /* ----- print standard properties of this element */
8355
8356   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8357             properties_text);
8358
8359   for (i = 0; properties[i].value != -1; i++)
8360   {
8361     if (!HAS_PROPERTY(properties_element, properties[i].value))
8362       continue;
8363
8364     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8365               properties[i].text);
8366     num_standard_properties++;
8367   }
8368
8369   if (num_standard_properties == 0)
8370     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8371               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8372
8373   screen_line++;
8374
8375   /* ----- print special description of this element */
8376
8377   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8378   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8379     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8380 }
8381
8382 #define TEXT_COLLECTING         "Score for collecting"
8383 #define TEXT_SMASHING           "Score for smashing"
8384 #define TEXT_SLURPING           "Score for slurping robot"
8385 #define TEXT_CRACKING           "Score for cracking"
8386 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8387 #define TEXT_DURATION           "Duration when activated"
8388 #define TEXT_BALL_DELAY         "Element generation delay"
8389 #define TEXT_MOVE_SPEED         "Speed of android moving"
8390 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8391 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8392 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8393 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8394 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8395 #define TEXT_TIME_BONUS         "Extra time to solve level"
8396
8397 static struct
8398 {
8399   int element;
8400   int *value;
8401   char *text;
8402 } elements_with_counter[] =
8403 {
8404   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8405   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8406   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8407   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8408   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8409   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8410   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8411   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8412   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8413   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8414   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8415   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8416   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8417   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8418   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8419   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8420   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8421   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8422   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8423   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8424   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8425   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8426   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8427   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8428   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8429   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8430   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8431   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8432   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8433   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8434   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8435   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8436   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8437   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8438   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8439   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8440   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8441   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8442   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8443   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8444   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8445   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8446   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8447   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8448   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8449   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8450   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8451   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8452   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8453   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8454   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8455   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8456   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8457   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8458   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8459   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8460   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8461   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8462   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8463   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8464   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8465   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8466   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8467   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8468   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8469   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8470   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8471   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8472   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8473   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8474   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8475   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8476   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8477   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8478
8479   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8480   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8481   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8482   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8483   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8484   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8485   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8486   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8487   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8488   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8489   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8490   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8491   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8492   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8493   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8494   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8495
8496   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8497   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8498   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8499   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8500   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8501   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8502   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8503   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8504
8505   { -1,                 NULL,                           NULL            }
8506 };
8507
8508 static boolean checkPropertiesConfig(int element)
8509 {
8510   int i;
8511
8512   if (IS_GEM(element) ||
8513       IS_CUSTOM_ELEMENT(element) ||
8514       IS_GROUP_ELEMENT(element) ||
8515       IS_ENVELOPE(element) ||
8516       ELEM_IS_PLAYER(element) ||
8517       HAS_EDITOR_CONTENT(element) ||
8518       CAN_GROW(element) ||
8519       COULD_MOVE_INTO_ACID(element) ||
8520       MAYBE_DONT_COLLIDE_WITH(element) ||
8521       element == EL_SOKOBAN_OBJECT ||
8522       element == EL_SOKOBAN_FIELD_EMPTY ||
8523       element == EL_SOKOBAN_FIELD_FULL)
8524     return TRUE;
8525   else
8526     for (i = 0; elements_with_counter[i].element != -1; i++)
8527       if (elements_with_counter[i].element == element)
8528         return TRUE;
8529
8530   return FALSE;
8531 }
8532
8533 static void DrawPropertiesConfig()
8534 {
8535   boolean draw_footer_line = FALSE;
8536   int max_num_element_counters = 4;
8537   int num_element_counters = 0;
8538   int i;
8539
8540   if (!checkPropertiesConfig(properties_element))
8541   {
8542     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8543
8544     return;
8545   }
8546
8547   /* check if there are elements where a value can be chosen for */
8548   for (i = 0; elements_with_counter[i].element != -1; i++)
8549   {
8550     if (elements_with_counter[i].element == properties_element)
8551     {
8552       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8553
8554       counterbutton_info[counter_id].y =
8555         ED_ELEMENT_SETTINGS_YPOS(
8556                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8557                 (CAN_GROW(properties_element)                ? 1 : 0) +
8558                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8559                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8560                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8561                 num_element_counters);
8562
8563       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8564       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8565
8566       if (properties_element == EL_GAME_OF_LIFE ||
8567           properties_element == EL_BIOMAZE)
8568       {
8569         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8570         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8571       }
8572       else
8573       {
8574         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8575         counterbutton_info[counter_id].min_value = MIN_SCORE;
8576         counterbutton_info[counter_id].max_value = MAX_SCORE;
8577       }
8578
8579       MapCounterButtons(counter_id);
8580
8581       num_element_counters++;
8582       if (num_element_counters >= max_num_element_counters)
8583         break;
8584     }
8585   }
8586
8587   if (HAS_EDITOR_CONTENT(properties_element))
8588   {
8589     /* draw stickybutton gadget */
8590     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8591
8592     if (IS_AMOEBOID(properties_element))
8593       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8594     else if (properties_element == EL_YAMYAM ||
8595              properties_element == EL_YAMYAM_LEFT ||
8596              properties_element == EL_YAMYAM_RIGHT ||
8597              properties_element == EL_YAMYAM_UP ||
8598              properties_element == EL_YAMYAM_DOWN)
8599       DrawYamYamContentAreas();
8600     else if (properties_element == EL_EMC_MAGIC_BALL)
8601     {
8602       DrawMagicBallContentAreas();
8603
8604       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8605       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8606     }
8607     else if (properties_element == EL_EMC_ANDROID)
8608       DrawAndroidElementArea(properties_element);
8609   }
8610
8611   if (ELEM_IS_PLAYER(properties_element))
8612   {
8613     int player_nr = GET_PLAYER_NR(properties_element);
8614
8615     /* these properties can be set for every player individually */
8616
8617     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8618     {
8619       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8620         &level.start_element[player_nr];
8621       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8622         &level.artwork_element[player_nr];
8623       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8624         &level.explosion_element[player_nr];
8625
8626       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8627         &level.use_start_element[player_nr];
8628       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8629         &level.use_artwork_element[player_nr];
8630       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8631         &level.use_explosion_element[player_nr];
8632       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8633         &level.initial_player_gravity[player_nr];
8634
8635       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8636         &level.initial_player_stepsize[player_nr];
8637
8638       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8639       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8640                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8641                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8642       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8643       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8644       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8645       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8646       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8647       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8648       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8649       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8650       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8651
8652       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8653       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8654       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8655
8656       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8657     }
8658     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8659     {
8660       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8661         &level.initial_inventory_content[player_nr][0];
8662
8663       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8664         &level.initial_inventory_size[player_nr];
8665
8666       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8667         &level.use_initial_inventory[player_nr];
8668
8669       /* draw checkbutton gadgets */
8670       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8671
8672       /* draw counter gadgets */
8673       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8674
8675       /* draw drawing area gadgets */
8676       DrawPlayerInitialInventoryArea(properties_element);
8677     }
8678   }
8679
8680   if (IS_GEM(properties_element))
8681     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8682
8683   if (properties_element == EL_EM_DYNAMITE)
8684     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8685
8686   if (COULD_MOVE_INTO_ACID(properties_element) &&
8687       !ELEM_IS_PLAYER(properties_element) &&
8688       (!IS_CUSTOM_ELEMENT(properties_element) ||
8689        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8690   {
8691     /* set position for checkbutton for "can move into acid" */
8692     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8693       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8694     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8695       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8696                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8697
8698     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8699   }
8700
8701   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8702     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8703
8704   if (properties_element == EL_SPRING)
8705     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8706
8707   if (properties_element == EL_TIME_ORB_FULL)
8708     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8709
8710   if (CAN_GROW(properties_element))
8711   {
8712     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8713       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8714
8715     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8716   }
8717
8718   if (properties_element == EL_SOKOBAN_OBJECT ||
8719       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8720       properties_element == EL_SOKOBAN_FIELD_FULL)
8721     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8722
8723   if (IS_ENVELOPE(properties_element))
8724   {
8725     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8726     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8727     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8728     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8729     int envelope_nr = properties_element - EL_ENVELOPE_1;
8730
8731     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8732     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8733
8734     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8735     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8736
8737     /* display counter to choose size of envelope text area */
8738     MapCounterButtons(counter1_id);
8739     MapCounterButtons(counter2_id);
8740
8741     /* display checkbuttons to choose auto-wrap and alignment properties */
8742     MapCheckbuttonGadget(button1_id);
8743     MapCheckbuttonGadget(button2_id);
8744
8745     DrawEnvelopeTextArea(envelope_nr);
8746   }
8747
8748   if (IS_CUSTOM_ELEMENT(properties_element))
8749   {
8750     /* draw stickybutton gadget */
8751     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8752
8753     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8754     {
8755       /* draw checkbutton gadgets */
8756       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8757            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8758         MapCheckbuttonGadget(i);
8759
8760       /* draw counter gadgets */
8761       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8762            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8763         MapCounterButtons(i);
8764
8765       /* draw selectbox gadgets */
8766       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8767            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8768         MapSelectboxGadget(i);
8769
8770       /* draw textbutton gadgets */
8771       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8772
8773       /* draw text input gadgets */
8774       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8775
8776       /* draw drawing area gadgets */
8777       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8778
8779       draw_footer_line = TRUE;
8780     }
8781     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8782     {
8783       /* draw checkbutton gadgets */
8784       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8785            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8786         MapCheckbuttonGadget(i);
8787
8788       /* draw counter gadgets */
8789       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8790            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8791         MapCounterButtons(i);
8792
8793       /* draw selectbox gadgets */
8794       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8795            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8796         MapSelectboxGadget(i);
8797
8798       /* draw drawing area gadgets */
8799       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8800       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8801       DrawCustomContentArea();
8802     }
8803   }
8804   else if (IS_GROUP_ELEMENT(properties_element))
8805   {
8806     /* draw stickybutton gadget */
8807     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8808
8809     /* draw checkbutton gadgets */
8810     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8811     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8812
8813     /* draw counter gadgets */
8814     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8815
8816     /* draw selectbox gadgets */
8817     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8818
8819     /* draw textbutton gadgets */
8820     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8821
8822     /* draw drawing area gadgets */
8823     DrawGroupElementArea(properties_element);
8824
8825     /* draw text input gadgets */
8826     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8827
8828     /* draw drawing area gadgets */
8829     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8830
8831     draw_footer_line = TRUE;
8832   }
8833
8834   /* draw little footer border line above CE/GE use/save template gadgets */
8835   if (draw_footer_line)
8836   {
8837     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8838     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8839     int gd_x = gd->x + gd_gi1->border.width / 2;
8840     int gd_y = gd->y + gd_gi1->height - 1;
8841     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8842
8843     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8844       FillRectangle(drawto,
8845                     SX + ED_ELEMENT_SETTINGS_XPOS(0),
8846                     SY + ED_ELEMENT_SETTINGS_YPOS(14) - MINI_TILEY / 2,
8847                     getTabulatorBarWidth(), ED_GADGET_DISTANCE,
8848                     tab_color);
8849   }
8850 }
8851
8852 static void DrawPropertiesChangeDrawingAreas()
8853 {
8854   if (IS_CUSTOM_ELEMENT(properties_element))
8855   {
8856     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8857     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8858     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8859
8860     DrawCustomChangeContentArea();
8861   }
8862
8863   redraw_mask |= REDRAW_FIELD;
8864 }
8865
8866 static void DrawPropertiesChange()
8867 {
8868   int i;
8869
8870   /* needed to initially set selectbox options for special action options */
8871   setSelectboxSpecialActionOptions();
8872
8873   /* draw stickybutton gadget */
8874   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8875
8876   /* draw checkbutton gadgets */
8877   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
8878        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
8879     MapCheckbuttonGadget(i);
8880
8881   /* draw counter gadgets */
8882   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
8883        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
8884     MapCounterButtons(i);
8885
8886   /* draw selectbox gadgets */
8887   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
8888        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
8889     MapSelectboxGadget(i);
8890
8891   /* draw textbutton gadgets */
8892   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
8893        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
8894     MapTextbuttonGadget(i);
8895
8896   /* draw graphicbutton gadgets */
8897   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
8898        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
8899     MapGraphicbuttonGadget(i);
8900
8901   /* draw drawing area gadgets */
8902   DrawPropertiesChangeDrawingAreas();
8903 }
8904
8905 static void DrawEditorElementAnimation(int x, int y)
8906 {
8907   int graphic = el2img(properties_element);
8908   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
8909                custom_element.ce_value_fixed_initial :
8910                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
8911                custom_element.collect_score_initial : FrameCounter);
8912
8913   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
8914 }
8915
8916 static void DrawEditorElementName(int x, int y, int element)
8917 {
8918   char *element_name = getElementInfoText(element);
8919   int font_nr = FONT_TEXT_1;
8920   int font_width = getFontWidth(font_nr);
8921   int font_height = getFontHeight(font_nr);
8922   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_XPOS(0);
8923   int max_chars_per_line = max_text_width / font_width;
8924   char buffer[max_chars_per_line + 1];
8925
8926   if (strlen(element_name) <= max_chars_per_line)
8927     DrawTextS(x, y, font_nr, element_name);
8928   else
8929   {
8930     int next_pos = max_chars_per_line;
8931
8932     strncpy(buffer, element_name, max_chars_per_line);
8933     buffer[max_chars_per_line] = '\0';
8934
8935     if (element_name[max_chars_per_line] == ' ')
8936       next_pos++;
8937     else
8938     {
8939       int i;
8940
8941       for (i = max_chars_per_line - 1; i >= 0; i--)
8942         if (buffer[i] == ' ')
8943           break;
8944
8945       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
8946       {
8947         buffer[i] = '\0';
8948         next_pos = i + 1;
8949       }
8950     }
8951
8952     DrawTextS(x, y - font_height / 2, font_nr, buffer);
8953
8954     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
8955     buffer[max_chars_per_line] = '\0';
8956
8957     DrawTextS(x, y + font_height / 2, font_nr, buffer);
8958   }
8959 }
8960
8961 static void DrawPropertiesWindow()
8962 {
8963   int xstart = 2;
8964   int ystart = 4;
8965
8966   stick_element_properties_window = FALSE;
8967
8968   /* make sure that previous properties edit mode exists for this element */
8969   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
8970       !IS_CUSTOM_ELEMENT(properties_element))
8971     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
8972
8973   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
8974       !ELEM_IS_PLAYER(properties_element) &&
8975       !IS_CUSTOM_ELEMENT(properties_element))
8976     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
8977
8978   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
8979       (ELEM_IS_PLAYER(properties_element) ||
8980        IS_CUSTOM_ELEMENT(properties_element)))
8981     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
8982
8983   CopyElementPropertiesToEditor(properties_element);
8984
8985   UnmapLevelEditorFieldGadgets();
8986   UnmapLevelEditorToolboxDrawingGadgets();
8987   UnmapLevelEditorToolboxCustomGadgets();
8988
8989   if (IS_CUSTOM_ELEMENT(properties_element) ||
8990       IS_GROUP_ELEMENT(properties_element))
8991     MapLevelEditorToolboxCustomGadgets();
8992
8993   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8994   ClearField();
8995
8996   DrawTextSCentered(ED_SETTINGS1_YPOS, FONT_TITLE_1, "Element Settings");
8997
8998   FrameCounter = 0;     /* restart animation frame counter */
8999
9000   DrawElementBorder(SX + xstart * MINI_TILEX,
9001                     SY + ystart * MINI_TILEY + MINI_TILEY / 2,
9002                     TILEX, TILEY, FALSE);
9003
9004   DrawEditorElementAnimation(SX + xstart * MINI_TILEX,
9005                              SY + ystart * MINI_TILEY + MINI_TILEY / 2);
9006
9007   DrawEditorElementName((xstart + 3) * MINI_TILEX + 1,
9008                         (ystart + 1) * MINI_TILEY + 1,
9009                         properties_element);
9010
9011   DrawPropertiesTabulatorGadgets();
9012
9013   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9014     DrawPropertiesInfo();
9015   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9016     DrawPropertiesChange();
9017   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9018     DrawPropertiesConfig();
9019 }
9020
9021 static void UpdateCustomElementGraphicGadgets()
9022 {
9023   struct ElementInfo *ei = &element_info[properties_element];
9024   int i;
9025
9026   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
9027                      properties_element);
9028
9029   ModifyEditorElementList();
9030   RedrawDrawingElements();
9031
9032   /* force redraw of all mapped drawing area gadgets */
9033   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9034   {
9035     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9036
9037     if (gi->mapped)
9038       MapDrawingArea(i);
9039   }
9040 }
9041
9042 static int getOpenDirectionFromTube(int element)
9043 {
9044   switch (element)
9045   {
9046     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9047     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9048     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9049     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9050     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9051     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9052     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9053     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9054     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9055     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9056     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9057   }
9058
9059   return MV_NONE;
9060 }
9061
9062 static int getTubeFromOpenDirection(int direction)
9063 {
9064   switch (direction)
9065   {
9066     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9067     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9068     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9069     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9070     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9071     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9072     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9073     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9074     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9075     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9076     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9077
9078     /* if only one direction, fall back to simple tube with that direction */
9079     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9080     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9081     case (MV_UP):                       return EL_TUBE_VERTICAL;
9082     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9083   }
9084
9085   return EL_EMPTY;
9086 }
9087
9088 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9089 {
9090   int element_new = getTubeFromOpenDirection(direction);
9091
9092   return (element_new != EL_EMPTY ? element_new : element_old);
9093 }
9094
9095 static int getOpenDirectionFromBelt(int element)
9096 {
9097   int belt_dir = getBeltDirFromBeltElement(element);
9098
9099   return (belt_dir == MV_LEFT ? MV_RIGHT :
9100           belt_dir == MV_RIGHT ? MV_LEFT :
9101           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9102 }
9103
9104 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9105 {
9106   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9107                   direction == MV_RIGHT ? MV_LEFT :
9108                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9109
9110   if (direction == MV_NONE)
9111     return EL_EMPTY;
9112
9113   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9114 }
9115
9116 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9117                                                  int element_old)
9118 {
9119   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9120
9121   return (element_new != EL_EMPTY ? element_new : element_old);
9122 }
9123
9124 static int getOpenDirectionFromPool(int element)
9125 {
9126   switch (element)
9127   {
9128     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9129     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9130     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9131     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9132     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9133     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9134   }
9135
9136   return MV_NONE;
9137 }
9138
9139 static int getPoolFromOpenDirection(int direction)
9140 {
9141   switch (direction)
9142   {
9143     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9144     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9145     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9146     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9147     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9148     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9149   }
9150
9151   return EL_EMPTY;
9152 }
9153
9154 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9155 {
9156   int element = getPoolFromOpenDirection(direction);
9157   int help_direction = getOpenDirectionFromPool(help_element);
9158
9159   if (element == EL_EMPTY)
9160   {
9161     int help_direction_vertical = help_direction & MV_VERTICAL;
9162
9163     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9164   }
9165
9166   if (element == EL_EMPTY)
9167   {
9168     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9169
9170     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9171   }
9172
9173   return element;
9174 }
9175
9176 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9177 {
9178   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9179
9180   return (element_new != EL_EMPTY ? element_new : element_old);
9181 }
9182
9183 static int getOpenDirectionFromPillar(int element)
9184 {
9185   switch (element)
9186   {
9187     case EL_EMC_WALL_1:                 return (MV_DOWN);
9188     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9189     case EL_EMC_WALL_3:                 return (MV_UP);
9190   }
9191
9192   return MV_NONE;
9193 }
9194
9195 static int getPillarFromOpenDirection(int direction)
9196 {
9197   switch (direction)
9198   {
9199     case (MV_DOWN):                     return EL_EMC_WALL_1;
9200     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9201     case (MV_UP):                       return EL_EMC_WALL_3;
9202   }
9203
9204   return EL_EMPTY;
9205 }
9206
9207 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9208 {
9209   int element_new = getPillarFromOpenDirection(direction);
9210
9211   return (element_new != EL_EMPTY ? element_new : element_old);
9212 }
9213
9214 static int getOpenDirectionFromSteel2(int element)
9215 {
9216   switch (element)
9217   {
9218     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9219     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9220     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9221     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9222     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9223     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9224     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9225     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9226   }
9227
9228   return MV_NONE;
9229 }
9230
9231 static int getSteel2FromOpenDirection(int direction)
9232 {
9233   switch (direction)
9234   {
9235     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9236     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9237     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9238     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9239     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9240     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9241     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9242     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9243   }
9244
9245   return EL_EMPTY;
9246 }
9247
9248 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9249 {
9250   int element_new = getSteel2FromOpenDirection(direction);
9251
9252   return (element_new != EL_EMPTY ? element_new : element_old);
9253 }
9254
9255 static int getOpenDirectionFromChip(int element)
9256 {
9257   switch (element)
9258   {
9259     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9260     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9261     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9262     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9263     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9264   }
9265
9266   return MV_NONE;
9267 }
9268
9269 static int getChipFromOpenDirection(int direction)
9270 {
9271   switch (direction)
9272   {
9273     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9274     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9275     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9276     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9277     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9278   }
9279
9280   return EL_EMPTY;
9281 }
9282
9283 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9284 {
9285   int element_new = getChipFromOpenDirection(direction);
9286
9287   return (element_new != EL_EMPTY ? element_new : element_old);
9288 }
9289
9290 static int getClosedTube(int x, int y)
9291 {
9292   static int xy[4][2] =
9293   {
9294     { -1, 0 },
9295     { +1, 0 },
9296     { 0, -1 },
9297     { 0, +1 }
9298   };
9299   int element_old = IntelliDrawBuffer[x][y];
9300   int direction_old = getOpenDirectionFromTube(element_old);
9301   int direction_new = MV_NONE;
9302   int i;
9303
9304   for (i = 0; i < NUM_DIRECTIONS; i++)
9305   {
9306     int xx = x + xy[i][0];
9307     int yy = y + xy[i][1];
9308     int dir = MV_DIR_FROM_BIT(i);
9309     int dir_opposite = MV_DIR_OPPOSITE(dir);
9310
9311     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9312         (direction_old & dir) &&
9313         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9314       direction_new |= dir;
9315   }
9316
9317   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9318 }
9319
9320 static int getClosedBelt(int x, int y)
9321 {
9322   static int xy[4][2] =
9323   {
9324     { -1, 0 },
9325     { +1, 0 },
9326     { 0, -1 },
9327     { 0, +1 }
9328   };
9329   int element_old = IntelliDrawBuffer[x][y];
9330   int nr = getBeltNrFromBeltElement(element_old);
9331   int direction_old = getOpenDirectionFromBelt(element_old);
9332   int direction_new = MV_NONE;
9333   int i;
9334
9335   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9336   {
9337     int xx = x + xy[i][0];
9338     int yy = y + xy[i][1];
9339     int dir = MV_DIR_FROM_BIT(i);
9340     int dir_opposite = MV_DIR_OPPOSITE(dir);
9341
9342     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9343         (direction_old & dir) &&
9344         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9345       direction_new |= dir;
9346   }
9347
9348   return getBeltFromNrAndOpenDirection(nr, direction_new);
9349 }
9350
9351 static int getClosedPool(int x, int y)
9352 {
9353   static int xy[4][2] =
9354   {
9355     { -1, 0 },
9356     { +1, 0 },
9357     { 0, -1 },
9358     { 0, +1 }
9359   };
9360   int element_old = IntelliDrawBuffer[x][y];
9361   int direction_old = getOpenDirectionFromPool(element_old);
9362   int direction_new = MV_NONE;
9363   int i;
9364
9365   for (i = 0; i < NUM_DIRECTIONS; i++)
9366   {
9367     int xx = x + xy[i][0];
9368     int yy = y + xy[i][1];
9369     int dir = MV_DIR_FROM_BIT(i);
9370     int dir_opposite = MV_DIR_OPPOSITE(dir);
9371
9372     if (IN_LEV_FIELD(xx, yy) &&
9373         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9374         (direction_old & dir) &&
9375         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9376       direction_new |= dir;
9377   }
9378
9379   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9380 }
9381
9382 static int getClosedPillar(int x, int y)
9383 {
9384   static int xy[4][2] =
9385   {
9386     { -1, 0 },
9387     { +1, 0 },
9388     { 0, -1 },
9389     { 0, +1 }
9390   };
9391   int element_old = IntelliDrawBuffer[x][y];
9392   int direction_old = getOpenDirectionFromPillar(element_old);
9393   int direction_new = MV_NONE;
9394   int i;
9395
9396   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9397   {
9398     int xx = x + xy[i][0];
9399     int yy = y + xy[i][1];
9400     int dir = MV_DIR_FROM_BIT(i);
9401     int dir_opposite = MV_DIR_OPPOSITE(dir);
9402
9403     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9404         (direction_old & dir) &&
9405         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9406       direction_new |= dir;
9407   }
9408
9409   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9410 }
9411
9412 static int getClosedSteel2(int x, int y)
9413 {
9414   static int xy[4][2] =
9415   {
9416     { -1, 0 },
9417     { +1, 0 },
9418     { 0, -1 },
9419     { 0, +1 }
9420   };
9421   int element_old = IntelliDrawBuffer[x][y];
9422   int direction_old = getOpenDirectionFromSteel2(element_old);
9423   int direction_new = MV_NONE;
9424   int i;
9425
9426   for (i = 0; i < NUM_DIRECTIONS; i++)
9427   {
9428     int xx = x + xy[i][0];
9429     int yy = y + xy[i][1];
9430     int dir = MV_DIR_FROM_BIT(i);
9431     int dir_opposite = MV_DIR_OPPOSITE(dir);
9432
9433     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9434         (direction_old & dir) &&
9435         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9436       direction_new |= dir;
9437   }
9438
9439   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9440 }
9441
9442 static int getClosedChip(int x, int y)
9443 {
9444   static int xy[4][2] =
9445   {
9446     { -1, 0 },
9447     { +1, 0 },
9448     { 0, -1 },
9449     { 0, +1 }
9450   };
9451   int element_old = IntelliDrawBuffer[x][y];
9452   int direction_old = getOpenDirectionFromChip(element_old);
9453   int direction_new = MV_NONE;
9454   int i;
9455
9456   for (i = 0; i < NUM_DIRECTIONS; i++)
9457   {
9458     int xx = x + xy[i][0];
9459     int yy = y + xy[i][1];
9460     int dir = MV_DIR_FROM_BIT(i);
9461     int dir_opposite = MV_DIR_OPPOSITE(dir);
9462
9463     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9464         (direction_old & dir) &&
9465         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9466       direction_new |= dir;
9467   }
9468
9469   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9470 }
9471
9472 static void SetElementSimple(int x, int y, int element, boolean change_level)
9473 {
9474   int sx = x - level_xpos;
9475   int sy = y - level_ypos;
9476
9477   IntelliDrawBuffer[x][y] = element;
9478
9479   if (change_level)
9480     Feld[x][y] = element;
9481
9482   if (IN_ED_FIELD(sx, sy))
9483     DrawEditorElement(sx, sy, element);
9484 }
9485
9486 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9487                                            int x2, int y2, int *element2,
9488                                            int (*close_function)(int, int),
9489                                            boolean change_level)
9490 {
9491   /* set neighbour elements to newly determined connections */
9492   SetElementSimple(x1, y1, *element1, change_level);
9493   SetElementSimple(x2, y2, *element2, change_level);
9494
9495   /* remove all open connections of neighbour elements */
9496   *element1 = close_function(x1, y1);
9497   *element2 = close_function(x2, y2);
9498
9499   /* set neighbour elements to new, minimized connections */
9500   SetElementSimple(x1, y1, *element1, change_level);
9501   SetElementSimple(x2, y2, *element2, change_level);
9502 }
9503
9504 static void SetElementIntelliDraw(int x, int y, int new_element,
9505                                   boolean change_level, int button)
9506 {
9507   static int xy[4][2] =
9508   {
9509     { -1, 0 },
9510     { +1, 0 },
9511     { 0, -1 },
9512     { 0, +1 }
9513   };
9514   static int last_x = -1;
9515   static int last_y = -1;
9516   int old_element = IntelliDrawBuffer[x][y];
9517
9518   if (new_element == EL_UNDEFINED)
9519   {
9520     last_x = -1;
9521     last_y = -1;
9522
9523     return;
9524   }
9525
9526   if (IS_TUBE(new_element))
9527   {
9528     int last_element_new = EL_UNDEFINED;
9529     int direction = MV_NONE;
9530     int i;
9531
9532     /* if old element is of same kind, keep all existing directions */
9533     if (IS_TUBE(old_element))
9534       direction |= getOpenDirectionFromTube(old_element);
9535
9536     for (i = 0; i < NUM_DIRECTIONS; i++)
9537     {
9538       int xx = x + xy[i][0];
9539       int yy = y + xy[i][1];
9540
9541       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9542           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9543       {
9544         int dir = MV_DIR_FROM_BIT(i);
9545         int dir_opposite = MV_DIR_OPPOSITE(dir);
9546         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9547         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9548         int last_direction_new = last_direction_old | dir_opposite;
9549
9550         last_element_new = getTubeFromOpenDirection(last_direction_new);
9551
9552         direction |= dir;
9553       }
9554     }
9555
9556     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9557
9558     if (last_element_new != EL_UNDEFINED)
9559       MergeAndCloseNeighbourElements(x, y, &new_element,
9560                                      last_x, last_y, &last_element_new,
9561                                      getClosedTube, change_level);
9562   }
9563   else if (IS_BELT(new_element))
9564   {
9565     int belt_nr = getBeltNrFromBeltElement(new_element);
9566     int last_element_new = EL_UNDEFINED;
9567     int direction = MV_NONE;
9568     int i;
9569
9570     /* if old element is of same kind, keep all existing directions */
9571     if (IS_BELT(old_element))
9572       direction |= getOpenDirectionFromBelt(old_element);
9573
9574     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9575     {
9576       int xx = x + xy[i][0];
9577       int yy = y + xy[i][1];
9578
9579       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9580           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9581       {
9582         int dir = MV_DIR_FROM_BIT(i);
9583         int dir_opposite = MV_DIR_OPPOSITE(dir);
9584         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9585         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9586         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9587         int last_direction_new = last_direction_old | dir_opposite;
9588
9589         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9590                                                          last_direction_new);
9591         direction |= dir;
9592       }
9593     }
9594
9595     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9596                                                         new_element);
9597     if (last_element_new != EL_UNDEFINED)
9598       MergeAndCloseNeighbourElements(x, y, &new_element,
9599                                      last_x, last_y, &last_element_new,
9600                                      getClosedBelt, change_level);
9601   }
9602   else if (IS_ACID_POOL_OR_ACID(new_element))
9603   {
9604     int last_element_new = EL_UNDEFINED;
9605     int direction = MV_NONE;
9606     int i;
9607
9608     /* if old element is of same kind, keep all existing directions */
9609     if (IS_ACID_POOL_OR_ACID(old_element))
9610       direction |= getOpenDirectionFromPool(old_element);
9611
9612     for (i = 0; i < NUM_DIRECTIONS; i++)
9613     {
9614       int xx = x + xy[i][0];
9615       int yy = y + xy[i][1];
9616
9617       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9618           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9619       {
9620         int dir = MV_DIR_FROM_BIT(i);
9621         int dir_opposite = MV_DIR_OPPOSITE(dir);
9622         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9623         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9624         int last_direction_new = last_direction_old | dir_opposite;
9625
9626         last_element_new = getPoolFromOpenDirection(last_direction_new);
9627
9628         direction |= dir;
9629       }
9630     }
9631
9632     /* special corrections needed for intuitively correct acid pool drawing */
9633     if (last_element_new == EL_EMPTY)
9634       last_element_new = new_element;
9635     else if (last_element_new != EL_UNDEFINED)
9636       new_element = last_element_new;
9637
9638     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9639
9640     if (last_element_new != EL_UNDEFINED)
9641       MergeAndCloseNeighbourElements(x, y, &new_element,
9642                                      last_x, last_y, &last_element_new,
9643                                      getClosedPool, change_level);
9644   }
9645   else if (IS_EMC_PILLAR(new_element))
9646   {
9647     int last_element_new = EL_UNDEFINED;
9648     int direction = MV_NONE;
9649     int i;
9650
9651     /* if old element is of same kind, keep all existing directions */
9652     if (IS_EMC_PILLAR(old_element))
9653       direction |= getOpenDirectionFromPillar(old_element);
9654
9655     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9656     {
9657       int xx = x + xy[i][0];
9658       int yy = y + xy[i][1];
9659
9660       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9661           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9662       {
9663         int dir = MV_DIR_FROM_BIT(i);
9664         int dir_opposite = MV_DIR_OPPOSITE(dir);
9665         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9666         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9667         int last_direction_new = last_direction_old | dir_opposite;
9668
9669         last_element_new = getPillarFromOpenDirection(last_direction_new);
9670
9671         direction |= dir;
9672       }
9673     }
9674
9675     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9676
9677     if (last_element_new != EL_UNDEFINED)
9678       MergeAndCloseNeighbourElements(x, y, &new_element,
9679                                      last_x, last_y, &last_element_new,
9680                                      getClosedPillar, change_level);
9681   }
9682   else if (IS_DC_STEELWALL_2(new_element))
9683   {
9684     int last_element_new = EL_UNDEFINED;
9685     int direction = MV_NONE;
9686     int i;
9687
9688     /* if old element is of same kind, keep all existing directions */
9689     if (IS_DC_STEELWALL_2(old_element))
9690       direction |= getOpenDirectionFromSteel2(old_element);
9691
9692     for (i = 0; i < NUM_DIRECTIONS; i++)
9693     {
9694       int xx = x + xy[i][0];
9695       int yy = y + xy[i][1];
9696
9697       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9698           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9699       {
9700         int dir = MV_DIR_FROM_BIT(i);
9701         int dir_opposite = MV_DIR_OPPOSITE(dir);
9702         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9703         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9704         int last_direction_new = last_direction_old | dir_opposite;
9705
9706         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9707
9708         direction |= dir;
9709       }
9710     }
9711
9712     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9713
9714     if (last_element_new != EL_UNDEFINED)
9715       MergeAndCloseNeighbourElements(x, y, &new_element,
9716                                      last_x, last_y, &last_element_new,
9717                                      getClosedSteel2, change_level);
9718   }
9719   else if (IS_SP_CHIP(new_element))
9720   {
9721     int last_element_new = EL_UNDEFINED;
9722     int direction = MV_NONE;
9723     int i;
9724
9725     /* (do not keep existing directions, regardless of kind of old element) */
9726
9727     for (i = 0; i < NUM_DIRECTIONS; i++)
9728     {
9729       int xx = x + xy[i][0];
9730       int yy = y + xy[i][1];
9731
9732       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9733           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9734       {
9735         int dir = MV_DIR_FROM_BIT(i);
9736         int dir_opposite = MV_DIR_OPPOSITE(dir);
9737         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9738         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9739         int last_direction_new = last_direction_old | dir_opposite;
9740
9741         if (last_direction_old == MV_NONE)
9742         {
9743           last_element_new = getChipFromOpenDirection(last_direction_new);
9744           direction |= dir;
9745         }
9746         else if (last_direction_old & (dir | dir_opposite))
9747         {
9748           direction |= MV_DIR_OPPOSITE(last_direction_old);
9749         }
9750         else
9751         {
9752           direction |= MV_DIR_OPPOSITE(dir);
9753         }
9754       }
9755     }
9756
9757     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9758
9759     if (last_element_new != EL_UNDEFINED)
9760       MergeAndCloseNeighbourElements(x, y, &new_element,
9761                                      last_x, last_y, &last_element_new,
9762                                      getClosedChip, change_level);
9763   }
9764   else if (IS_SP_HARDWARE_BASE(new_element))
9765   {
9766     int nr = GetSimpleRandom(6);
9767
9768     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9769                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9770                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9771                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9772                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9773   }
9774   else if (new_element == EL_SP_HARDWARE_GREEN ||
9775            new_element == EL_SP_HARDWARE_BLUE ||
9776            new_element == EL_SP_HARDWARE_RED)
9777   {
9778     int nr = GetSimpleRandom(3);
9779
9780     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9781                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9782   }
9783   else if (IS_GROUP_ELEMENT(new_element))
9784   {
9785     boolean connected_drawing = FALSE;
9786     int i;
9787
9788     for (i = 0; i < NUM_DIRECTIONS; i++)
9789     {
9790       int xx = x + xy[i][0];
9791       int yy = y + xy[i][1];
9792
9793       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9794           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9795         connected_drawing = TRUE;
9796     }
9797
9798     if (!connected_drawing)
9799       ResolveGroupElement(new_element);
9800
9801     new_element = GetElementFromGroupElement(new_element);
9802   }
9803   else if (IS_BELT_SWITCH(old_element))
9804   {
9805     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9806     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9807
9808     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9809                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9810
9811     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9812   }
9813   else
9814   {
9815     static int swappable_elements[][2] =
9816     {
9817       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9818       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9819       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9820       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9821       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9822       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9823       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9824       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9825       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9826       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9827       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9828       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9829       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9830       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9831       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9832       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9833       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9834       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9835       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9836       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9837       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9838       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9839       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9840       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9841       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9842       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9843       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9844       { EL_PEARL,                       EL_WALL_PEARL                   },
9845       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9846       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9847       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9848       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9849       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9850       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9851       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9852       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9853       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9854       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9855       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9856       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9857
9858       { -1,                             -1                              },
9859     };
9860     static int rotatable_elements[][4] =
9861     {
9862       {
9863         EL_BUG_UP,
9864         EL_BUG_RIGHT,
9865         EL_BUG_DOWN,
9866         EL_BUG_LEFT
9867       },
9868
9869       {
9870         EL_SPACESHIP_UP,
9871         EL_SPACESHIP_RIGHT,
9872         EL_SPACESHIP_DOWN,
9873         EL_SPACESHIP_LEFT
9874       },
9875
9876       {
9877         EL_BD_BUTTERFLY_UP,
9878         EL_BD_BUTTERFLY_RIGHT,
9879         EL_BD_BUTTERFLY_DOWN,
9880         EL_BD_BUTTERFLY_LEFT
9881       },
9882
9883       {
9884         EL_BD_FIREFLY_UP,
9885         EL_BD_FIREFLY_RIGHT,
9886         EL_BD_FIREFLY_DOWN,
9887         EL_BD_FIREFLY_LEFT
9888       },
9889
9890       {
9891         EL_PACMAN_UP,
9892         EL_PACMAN_RIGHT,
9893         EL_PACMAN_DOWN,
9894         EL_PACMAN_LEFT
9895       },
9896
9897       {
9898         EL_YAMYAM_UP,
9899         EL_YAMYAM_RIGHT,
9900         EL_YAMYAM_DOWN,
9901         EL_YAMYAM_LEFT
9902       },
9903
9904       {
9905         EL_ARROW_UP,
9906         EL_ARROW_RIGHT,
9907         EL_ARROW_DOWN,
9908         EL_ARROW_LEFT
9909       },
9910
9911       {
9912         EL_SP_PORT_UP,
9913         EL_SP_PORT_RIGHT,
9914         EL_SP_PORT_DOWN,
9915         EL_SP_PORT_LEFT
9916       },
9917
9918       {
9919         EL_SP_GRAVITY_PORT_UP,
9920         EL_SP_GRAVITY_PORT_RIGHT,
9921         EL_SP_GRAVITY_PORT_DOWN,
9922         EL_SP_GRAVITY_PORT_LEFT
9923       },
9924
9925       {
9926         EL_SP_GRAVITY_ON_PORT_UP,
9927         EL_SP_GRAVITY_ON_PORT_RIGHT,
9928         EL_SP_GRAVITY_ON_PORT_DOWN,
9929         EL_SP_GRAVITY_ON_PORT_LEFT
9930       },
9931
9932       {
9933         EL_SP_GRAVITY_OFF_PORT_UP,
9934         EL_SP_GRAVITY_OFF_PORT_RIGHT,
9935         EL_SP_GRAVITY_OFF_PORT_DOWN,
9936         EL_SP_GRAVITY_OFF_PORT_LEFT
9937       },
9938
9939       {
9940         EL_MOLE_UP,
9941         EL_MOLE_RIGHT,
9942         EL_MOLE_DOWN,
9943         EL_MOLE_LEFT
9944       },
9945
9946       {
9947         EL_BALLOON_SWITCH_UP,
9948         EL_BALLOON_SWITCH_RIGHT,
9949         EL_BALLOON_SWITCH_DOWN,
9950         EL_BALLOON_SWITCH_LEFT
9951       },
9952
9953       {
9954         -1,
9955         -1,
9956         -1,
9957         -1,
9958       },
9959     };
9960     int i, j;
9961
9962     for (i = 0; swappable_elements[i][0] != -1; i++)
9963     {
9964       int element1 = swappable_elements[i][0];
9965       int element2 = swappable_elements[i][1];
9966
9967       if (old_element == element1 || old_element == element2)
9968         new_element = (old_element == element1 ? element2 : element1);
9969     }
9970
9971     for (i = 0; rotatable_elements[i][0] != -1; i++)
9972     {
9973       for (j = 0; j < 4; j++)
9974       {
9975         int element = rotatable_elements[i][j];
9976
9977         if (old_element == element)
9978           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
9979                          button == 2 ? rotatable_elements[i][0]           :
9980                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
9981                          old_element);
9982       }
9983     }
9984   }
9985
9986   SetElementSimple(x, y, new_element, change_level);
9987
9988   last_x = x;
9989   last_y = y;
9990 }
9991
9992 static void ResetIntelliDraw()
9993 {
9994   int x, y;
9995
9996   for (x = 0; x < lev_fieldx; x++)
9997     for (y = 0; y < lev_fieldy; y++)
9998       IntelliDrawBuffer[x][y] = Feld[x][y];
9999
10000   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10001 }
10002
10003 static void SetElementExt(int x, int y, int element, boolean change_level,
10004                           int button)
10005 {
10006   if (element < 0)
10007     SetElementSimple(x, y, Feld[x][y], change_level);
10008   else if (GetKeyModState() & KMOD_Shift)
10009     SetElementIntelliDraw(x, y, element, change_level, button);
10010   else
10011     SetElementSimple(x, y, element, change_level);
10012 }
10013
10014 static void SetElement(int x, int y, int element)
10015 {
10016   SetElementExt(x, y, element, TRUE, -1);
10017 }
10018
10019 static void SetElementButton(int x, int y, int element, int button)
10020 {
10021   SetElementExt(x, y, element, TRUE, button);
10022 }
10023
10024 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10025 {
10026   int lx = sx + level_xpos;
10027   int ly = sy + level_ypos;
10028
10029   SetElementExt(lx, ly, element, change_level, -1);
10030 }
10031
10032 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10033                      int element, boolean change_level)
10034 {
10035   int xsize = ABS(to_x - from_x);
10036   int ysize = ABS(to_y - from_y);
10037   int dx = (to_x < from_x ? -1 : +1);
10038   int dy = (to_y < from_y ? -1 : +1);
10039   int i;
10040
10041   if (from_y == to_y)                   /* horizontal line */
10042   {
10043     for (i = 0; i <= xsize; i++)
10044       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10045   }
10046   else if (from_x == to_x)              /* vertical line */
10047   {
10048     for (i = 0; i <= ysize; i++)
10049       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10050   }
10051   else                                  /* diagonal line */
10052   {
10053     if (ysize < xsize)                  /* a < 1 */
10054     {
10055       float a = (float)ysize / (float)xsize;
10056
10057       for (i = 0; i <= xsize; i++)
10058       {
10059         int x = dx * i;
10060         int y = dy * (int)(a * i + 0.5);
10061
10062         DrawLineElement(from_x + x, from_y + y, element, change_level);
10063       }
10064     }
10065     else                                /* a >= 1 */
10066     {
10067       float a = (float)xsize / (float)ysize;
10068
10069       for (i = 0; i <= ysize; i++)
10070       {
10071         int x = dx * (int)(a * i + 0.5);
10072         int y = dy * i;
10073
10074         DrawLineElement(from_x + x, from_y + y, element, change_level);
10075       }
10076     }
10077   }
10078 }
10079
10080 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10081                     int element, boolean change_level)
10082 {
10083   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10084   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10085   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10086   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10087 }
10088
10089 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10090                           int element, boolean change_level)
10091 {
10092   int y;
10093
10094   if (from_y > to_y)
10095     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10096
10097   for (y = from_y; y <= to_y; y++)
10098     DrawLine(from_x, y, to_x, y, element, change_level);
10099 }
10100
10101 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10102                        int element, boolean change_level)
10103 {
10104   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10105   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10106   int len_x = ABS(to_x - from_x);
10107   int len_y = ABS(to_y - from_y);
10108   int radius, x, y;
10109
10110   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10111
10112   /* not optimal (some points get drawn twice) but simple,
10113      and fast enough for the few points we are drawing */
10114
10115   for (x = 0; x <= radius; x++)
10116   {
10117     int sx, sy, lx, ly;
10118
10119     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10120
10121     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10122     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10123     lx = sx + level_xpos;
10124     ly = sy + level_ypos;
10125
10126     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10127       DrawLineElement(sx, sy, element, change_level);
10128   }
10129
10130   for (y = 0; y <= radius; y++)
10131   {
10132     int sx, sy, lx, ly;
10133
10134     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10135
10136     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10137     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10138     lx = sx + level_xpos;
10139     ly = sy + level_ypos;
10140
10141     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10142       DrawLineElement(sx, sy, element, change_level);
10143   }
10144 }
10145
10146 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10147                     int element, boolean change_level)
10148 {
10149   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10150   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10151
10152   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10153 }
10154
10155 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10156
10157 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10158 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10159                        int element, boolean change_level)
10160 {
10161   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10162   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10163   int mirror_to_x2 = from_x - (to_x2 - from_x);
10164   int mirror_to_y2 = from_y - (to_y2 - from_y);
10165
10166   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10167   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10168   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10169   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10170 }
10171 #endif
10172
10173 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10174 {
10175   int from_sx, from_sy;
10176   int to_sx, to_sy;
10177
10178   if (from_x > to_x)
10179     swap_numbers(&from_x, &to_x);
10180
10181   if (from_y > to_y)
10182     swap_numbers(&from_y, &to_y);
10183
10184   from_sx = SX + from_x * ed_tilesize;
10185   from_sy = SY + from_y * ed_tilesize;
10186   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10187   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10188
10189   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10190   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10191   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10192   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10193
10194   if (from_x == to_x && from_y == to_y)
10195     MarkTileDirty(from_x/2, from_y/2);
10196   else
10197     redraw_mask |= REDRAW_FIELD;
10198 }
10199
10200 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10201                        int element, boolean change_level)
10202 {
10203   if (element == -1 || change_level)
10204     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10205   else
10206     DrawAreaBorder(from_x, from_y, to_x, to_y);
10207 }
10208
10209 /* values for CopyBrushExt() */
10210 #define CB_AREA_TO_BRUSH        0
10211 #define CB_BRUSH_TO_CURSOR      1
10212 #define CB_BRUSH_TO_LEVEL       2
10213 #define CB_DELETE_OLD_CURSOR    3
10214 #define CB_DUMP_BRUSH           4
10215 #define CB_DUMP_BRUSH_SMALL     5
10216
10217 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10218                          int button, int mode)
10219 {
10220   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10221   static int brush_width, brush_height;
10222   static int last_cursor_x = -1, last_cursor_y = -1;
10223   static boolean delete_old_brush;
10224   int new_element = BUTTON_ELEMENT(button);
10225   int x, y;
10226
10227   if (mode == CB_DUMP_BRUSH ||
10228       mode == CB_DUMP_BRUSH_SMALL)
10229   {
10230     if (!draw_with_brush)
10231     {
10232       Error(ERR_WARN, "no brush selected");
10233
10234       return;
10235     }
10236
10237     for (y = 0; y < brush_height; y++)
10238     {
10239       for (x = 0; x < brush_width; x++)
10240       {
10241         int element = brush_buffer[x][y];
10242         int element_mapped = element;
10243
10244         if (IS_CUSTOM_ELEMENT(element))
10245           element_mapped = EL_CUSTOM_START;
10246         else if (IS_GROUP_ELEMENT(element))
10247           element_mapped = EL_GROUP_START;
10248         else if (element >= NUM_FILE_ELEMENTS)
10249           element_mapped = EL_UNKNOWN;
10250
10251         // dump brush as level sketch text for the R'n'D forum:
10252         // - large tiles: `xxx (0x60 ASCII)
10253         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10254         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10255       }
10256
10257       printf("\n");
10258     }
10259
10260     return;
10261   }
10262
10263   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10264     return;
10265
10266   if (mode == CB_AREA_TO_BRUSH)
10267   {
10268     int from_lx, from_ly;
10269
10270     if (from_x > to_x)
10271       swap_numbers(&from_x, &to_x);
10272
10273     if (from_y > to_y)
10274       swap_numbers(&from_y, &to_y);
10275
10276     brush_width = to_x - from_x + 1;
10277     brush_height = to_y - from_y + 1;
10278
10279     from_lx = from_x + level_xpos;
10280     from_ly = from_y + level_ypos;
10281
10282     for (y = 0; y < brush_height; y++)
10283     {
10284       for (x = 0; x < brush_width; x++)
10285       {
10286         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10287
10288         if (button != 1)
10289           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10290       }
10291     }
10292
10293     if (button != 1)
10294       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10295
10296     delete_old_brush = FALSE;
10297   }
10298   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10299            mode == CB_BRUSH_TO_LEVEL)
10300   {
10301     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10302     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10303     int cursor_from_x = cursor_x - brush_width / 2;
10304     int cursor_from_y = cursor_y - brush_height / 2;
10305     int border_from_x = cursor_x, border_from_y = cursor_y;
10306     int border_to_x = cursor_x, border_to_y = cursor_y;
10307
10308     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10309       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10310
10311     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10312         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10313     {
10314       delete_old_brush = FALSE;
10315       return;
10316     }
10317
10318     for (y = 0; y < brush_height; y++)
10319     {
10320       for (x = 0; x < brush_width; x++)
10321       {
10322         int sx = cursor_from_x + x;
10323         int sy = cursor_from_y + y;
10324         int lx = sx + level_xpos;
10325         int ly = sy + level_ypos;
10326         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10327         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10328                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10329                        brush_buffer[x][y] : new_element);
10330
10331         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10332         {
10333           if (sx < border_from_x)
10334             border_from_x = sx;
10335           else if (sx > border_to_x)
10336             border_to_x = sx;
10337           if (sy < border_from_y)
10338             border_from_y = sy;
10339           else if (sy > border_to_y)
10340             border_to_y = sy;
10341
10342           DrawLineElement(sx, sy, element, change_level);
10343         }
10344       }
10345     }
10346
10347     if (mode != CB_DELETE_OLD_CURSOR)
10348       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10349
10350     last_cursor_x = cursor_x;
10351     last_cursor_y = cursor_y;
10352     delete_old_brush = TRUE;
10353   }
10354 }
10355
10356 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10357                             int button)
10358 {
10359   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10360 }
10361
10362 static void CopyBrushToLevel(int x, int y, int button)
10363 {
10364   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10365 }
10366
10367 static void CopyBrushToCursor(int x, int y)
10368 {
10369   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10370 }
10371
10372 static void DeleteBrushFromCursor()
10373 {
10374   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10375 }
10376
10377 void DumpBrush()
10378 {
10379   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10380 }
10381
10382 void DumpBrush_Small()
10383 {
10384   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10385 }
10386
10387 static void FloodFill(int from_x, int from_y, int fill_element)
10388 {
10389   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10390 }
10391
10392 /* values for DrawLevelText() modes */
10393 #define TEXT_INIT               0
10394 #define TEXT_SETCURSOR          1
10395 #define TEXT_WRITECHAR          2
10396 #define TEXT_BACKSPACE          3
10397 #define TEXT_NEWLINE            4
10398 #define TEXT_END                5
10399 #define TEXT_QUERY_TYPING       6
10400
10401 static int DrawLevelText(int sx, int sy, char letter, int mode)
10402 {
10403   static short delete_buffer[MAX_LEV_FIELDX];
10404   static int start_sx;
10405   static int last_sx, last_sy;
10406   static boolean typing = FALSE;
10407   int letter_element = EL_CHAR_ASCII0 + letter;
10408   int lx = 0, ly = 0;
10409
10410   /* map lower case letters to upper case and convert special characters */
10411   if (letter >= 'a' && letter <= 'z')
10412     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10413   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10414     letter_element = EL_CHAR_AUMLAUT;
10415   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10416     letter_element = EL_CHAR_OUMLAUT;
10417   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10418     letter_element = EL_CHAR_UUMLAUT;
10419   else if (letter == '^')
10420     letter_element = EL_CHAR_COPYRIGHT;
10421   else
10422     letter_element = EL_CHAR_ASCII0 + letter;
10423
10424   if (mode != TEXT_INIT)
10425   {
10426     if (!typing)
10427       return FALSE;
10428
10429     if (mode != TEXT_SETCURSOR)
10430     {
10431       sx = last_sx;
10432       sy = last_sy;
10433     }
10434
10435     lx = last_sx + level_xpos;
10436     ly = last_sy + level_ypos;
10437   }
10438
10439   switch (mode)
10440   {
10441     case TEXT_INIT:
10442       if (typing)
10443         DrawLevelText(0, 0, 0, TEXT_END);
10444
10445       typing = TRUE;
10446       start_sx = sx;
10447       last_sx = sx;
10448       last_sy = sy;
10449       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10450       break;
10451
10452     case TEXT_SETCURSOR:
10453       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10454       DrawAreaBorder(sx, sy, sx, sy);
10455       last_sx = sx;
10456       last_sy = sy;
10457       break;
10458
10459     case TEXT_WRITECHAR:
10460       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10461       {
10462         if (new_element1 >= EL_STEEL_CHAR_START &&
10463             new_element1 <= EL_STEEL_CHAR_END)
10464           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10465
10466         delete_buffer[sx - start_sx] = Feld[lx][ly];
10467         Feld[lx][ly] = letter_element;
10468
10469         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10470           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10471         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10472           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10473         else
10474           DrawLevelText(0, 0, 0, TEXT_END);
10475
10476         level.changed = TRUE;
10477       }
10478       break;
10479
10480     case TEXT_BACKSPACE:
10481       if (sx > start_sx)
10482       {
10483         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10484         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10485         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10486       }
10487       break;
10488
10489     case TEXT_NEWLINE:
10490       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10491         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10492       else
10493         DrawLevelText(0, 0, 0, TEXT_END);
10494       break;
10495
10496     case TEXT_END:
10497       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10498       DrawEditorElement(sx, sy, Feld[lx][ly]);
10499       typing = FALSE;
10500       break;
10501
10502     case TEXT_QUERY_TYPING:
10503       break;
10504
10505     default:
10506       break;
10507   }
10508
10509   return typing;
10510 }
10511
10512 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10513                           int element, boolean change_level)
10514 {
10515   int lx = sx + level_xpos;
10516   int ly = sy + level_ypos;
10517
10518   if (element == -1)
10519     DrawEditorElement(sx, sy, Feld[lx][ly]);
10520   else
10521     DrawAreaBorder(sx, sy, sx, sy);
10522 }
10523
10524 static void CheckLevelBorderElement(boolean redraw_playfield)
10525 {
10526   int last_border_element = BorderElement;
10527
10528   SetBorderElement();
10529
10530   if (redraw_playfield && BorderElement != last_border_element)
10531     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10532 }
10533
10534 static void CopyLevelToUndoBuffer(int mode)
10535 {
10536   static boolean accumulated_undo = FALSE;
10537   boolean new_undo_buffer_position = TRUE;
10538   int x, y;
10539
10540   if (undo_buffer_steps == 0)
10541     accumulated_undo = FALSE;
10542
10543   switch (mode)
10544   {
10545     case UNDO_IMMEDIATE:
10546       accumulated_undo = FALSE;
10547       break;
10548
10549     case UNDO_ACCUMULATE:
10550       if (accumulated_undo)
10551         new_undo_buffer_position = FALSE;
10552       accumulated_undo = TRUE;
10553       break;
10554
10555     default:
10556       break;
10557   }
10558
10559   if (new_undo_buffer_position)
10560   {
10561     /* advance position in undo buffer ring */
10562     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10563
10564     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10565       undo_buffer_steps++;
10566   }
10567
10568   /* always reset redo buffer when storing level change into undo buffer */
10569   redo_buffer_steps = 0;
10570
10571   for (x = 0; x < lev_fieldx; x++)
10572     for (y = 0; y < lev_fieldy; y++)
10573       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10574
10575   /* check if drawing operation forces change of border style */
10576   CheckLevelBorderElement(TRUE);
10577
10578   level.changed = TRUE;
10579 }
10580
10581 static void RandomPlacement(int new_element)
10582 {
10583   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10584   int num_free_positions = 0;
10585   int num_percentage, num_elements;
10586   int x, y;
10587
10588   ResetIntelliDraw();
10589
10590   /* determine number of free positions for randomly placing the new element */
10591   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10592   {
10593     free_position[x][y] =
10594       (random_placement_background_restricted ?
10595        Feld[x][y] == random_placement_background_element :
10596        Feld[x][y] != new_element);
10597
10598     if (free_position[x][y])
10599       num_free_positions++;
10600   }
10601
10602   /* determine number of new elements to place there */
10603   num_percentage = num_free_positions * random_placement_value / 100;
10604   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10605                   num_percentage : random_placement_value);
10606
10607   /* if less free positions than elements to place, fill all these positions */
10608   if (num_free_positions < num_elements)
10609   {
10610     for (x = 0; x < lev_fieldx; x++)
10611       for (y = 0; y < lev_fieldy; y++)
10612         if (free_position[x][y])
10613           SetElement(x, y, new_element);
10614   }
10615   else
10616   {
10617     while (num_elements > 0)
10618     {
10619       x = GetSimpleRandom(lev_fieldx);
10620       y = GetSimpleRandom(lev_fieldy);
10621
10622       /* don't place element at the same position twice */
10623       if (free_position[x][y])
10624       {
10625         free_position[x][y] = FALSE;
10626         SetElement(x, y, new_element);
10627         num_elements--;
10628       }
10629     }
10630   }
10631
10632   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10633   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10634 }
10635
10636 void WrapLevel(int dx, int dy)
10637 {
10638   int wrap_dx = lev_fieldx - dx;
10639   int wrap_dy = lev_fieldy - dy;
10640   int x, y;
10641
10642   for (x = 0; x < lev_fieldx; x++)
10643     for (y = 0; y < lev_fieldy; y++)
10644       FieldBackup[x][y] = Feld[x][y];
10645
10646   for (x = 0; x < lev_fieldx; x++)
10647     for (y = 0; y < lev_fieldy; y++)
10648       Feld[x][y] =
10649         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10650
10651   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10652   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10653 }
10654
10655 static void HandleDrawingAreas(struct GadgetInfo *gi)
10656 {
10657   static boolean started_inside_drawing_area = FALSE;
10658   int id = gi->custom_id;
10659   boolean button_press_event;
10660   boolean button_release_event;
10661   boolean inside_drawing_area = !gi->event.off_borders;
10662   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10663   int actual_drawing_function;
10664   int button = gi->event.button;
10665   int new_element = BUTTON_ELEMENT(button);
10666   int sx = gi->event.x, sy = gi->event.y;
10667   int min_sx = 0, min_sy = 0;
10668   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10669   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10670   int lx = 0, ly = 0;
10671   int min_lx = 0, min_ly = 0;
10672   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10673   int x, y;
10674
10675   /* handle info callback for each invocation of action callback */
10676   gi->callback_info(gi);
10677
10678   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10679   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10680
10681   /* make sure to stay inside drawing area boundaries */
10682   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10683   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10684
10685   if (draw_level)
10686   {
10687     /* get positions inside level field */
10688     lx = sx + level_xpos;
10689     ly = sy + level_ypos;
10690
10691     if (!IN_LEV_FIELD(lx, ly))
10692       inside_drawing_area = FALSE;
10693
10694     /* make sure to stay inside level field boundaries */
10695     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10696     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10697
10698     /* correct drawing area positions accordingly */
10699     sx = lx - level_xpos;
10700     sy = ly - level_ypos;
10701   }
10702
10703   if (button_press_event)
10704     started_inside_drawing_area = inside_drawing_area;
10705
10706   if (!started_inside_drawing_area)
10707     return;
10708
10709   if (!IS_VALID_BUTTON(button))
10710     return;
10711
10712   if (!button && !button_release_event)
10713     return;
10714
10715   /* automatically switch to 'single item' drawing mode, if needed */
10716   actual_drawing_function =
10717     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10718      drawing_function : GADGET_ID_SINGLE_ITEMS);
10719
10720   /* clicking into drawing area with pressed Control key picks element */
10721   if (GetKeyModState() & KMOD_Control)
10722   {
10723     last_drawing_function = drawing_function;
10724     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10725   }
10726
10727   if (GetKeyModState() & KMOD_Shift)
10728   {
10729     if (button_press_event || button_release_event)
10730       ResetIntelliDraw();
10731   }
10732
10733   switch (actual_drawing_function)
10734   {
10735     case GADGET_ID_SINGLE_ITEMS:
10736       if (draw_level)
10737       {
10738         if (button_release_event)
10739         {
10740           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10741
10742           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10743               !inside_drawing_area)
10744             DeleteBrushFromCursor();
10745         }
10746
10747         if (!button || button_release_event)
10748           break;
10749
10750         if (draw_with_brush)
10751         {
10752           CopyBrushToLevel(sx, sy, button);
10753         }
10754         else
10755         {
10756           if (new_element == EL_PLAYER_1)
10757           {
10758             /* remove player at old position */
10759             for (y = 0; y < lev_fieldy; y++)
10760               for (x = 0; x < lev_fieldx; x++)
10761                 if (Feld[x][y] == EL_PLAYER_1)
10762                   SetElement(x, y, EL_EMPTY);
10763           }
10764
10765           SetElementButton(lx, ly, new_element, button);
10766         }
10767       }
10768       else
10769       {
10770         int type_id = gi->custom_type_id;
10771         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10772
10773         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10774           DrawMiniGraphicExt(drawto,
10775                              gi->x + sx * MINI_TILEX,
10776                              gi->y + sy * MINI_TILEY,
10777                              el2edimg(new_element));
10778         else
10779           DrawFixedGraphicExt(drawto,
10780                               gi->x + sx * TILEX,
10781                               gi->y + sy * TILEY,
10782                               el2img(new_element), 0);
10783
10784         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10785           new_element = GFX_ELEMENT(new_element);
10786
10787         drawingarea_info[type_id].value[pos] = new_element;
10788
10789         CopyElementPropertiesToGame(properties_element);
10790
10791         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10792         {
10793           UpdateCustomElementGraphicGadgets();
10794
10795           FrameCounter = 0;     /* restart animation frame counter */
10796         }
10797       }
10798       break;
10799
10800     case GADGET_ID_CONNECTED_ITEMS:
10801       {
10802         static int last_sx = -1;
10803         static int last_sy = -1;
10804
10805         if (button_release_event)
10806           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10807
10808         if (button)
10809         {
10810           if (!button_press_event)
10811             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10812
10813           last_sx = sx;
10814           last_sy = sy;
10815         }
10816       }
10817       break;
10818
10819     case GADGET_ID_LINE:
10820     case GADGET_ID_ARC:
10821     case GADGET_ID_RECTANGLE:
10822     case GADGET_ID_FILLED_BOX:
10823     case GADGET_ID_GRAB_BRUSH:
10824     case GADGET_ID_TEXT:
10825       {
10826         static int last_sx = -1;
10827         static int last_sy = -1;
10828         static int start_sx = -1;
10829         static int start_sy = -1;
10830         void (*draw_func)(int, int, int, int, int, boolean);
10831
10832         if (drawing_function == GADGET_ID_LINE)
10833           draw_func = DrawLine;
10834         else if (drawing_function == GADGET_ID_ARC)
10835           draw_func = DrawArc;
10836         else if (drawing_function == GADGET_ID_RECTANGLE)
10837           draw_func = DrawBox;
10838         else if (drawing_function == GADGET_ID_FILLED_BOX)
10839           draw_func = DrawFilledBox;
10840         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10841           draw_func = SelectArea;
10842         else /* (drawing_function == GADGET_ID_TEXT) */
10843           draw_func = SetTextCursor;
10844
10845         if (button_press_event)
10846         {
10847           draw_func(sx, sy, sx, sy, new_element, FALSE);
10848           start_sx = last_sx = sx;
10849           start_sy = last_sy = sy;
10850
10851           if (drawing_function == GADGET_ID_TEXT)
10852             DrawLevelText(0, 0, 0, TEXT_END);
10853         }
10854         else if (button_release_event)
10855         {
10856           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10857           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10858           {
10859             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10860             CopyBrushToCursor(sx, sy);
10861             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10862                           MB_LEFTBUTTON);
10863             draw_with_brush = TRUE;
10864           }
10865           else if (drawing_function == GADGET_ID_TEXT)
10866             DrawLevelText(sx, sy, 0, TEXT_INIT);
10867           else
10868             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10869         }
10870         else if (last_sx != sx || last_sy != sy)
10871         {
10872           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
10873           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
10874           last_sx = sx;
10875           last_sy = sy;
10876         }
10877       }
10878       break;
10879
10880     case GADGET_ID_FLOOD_FILL:
10881       if (button_press_event && Feld[lx][ly] != new_element)
10882       {
10883         FloodFill(lx, ly, new_element);
10884         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10885         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10886       }
10887       break;
10888
10889     case GADGET_ID_PICK_ELEMENT:
10890       if (button_release_event)
10891         ClickOnGadget(level_editor_gadget[last_drawing_function],
10892                       MB_LEFTBUTTON);
10893       else if (draw_level)
10894         PickDrawingElement(button, Feld[lx][ly]);
10895       else
10896       {
10897         int type_id = gi->custom_type_id;
10898         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10899
10900         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
10901       }
10902
10903       break;
10904
10905     default:
10906       break;
10907   }
10908 }
10909
10910 static void HandleCounterButtons(struct GadgetInfo *gi)
10911 {
10912   int gadget_id = gi->custom_id;
10913   int counter_id = gi->custom_type_id;
10914   int button = gi->event.button;
10915   int *counter_value = counterbutton_info[counter_id].value;
10916   int step = BUTTON_STEPSIZE(button) *
10917     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
10918
10919   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10920   {
10921     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
10922     boolean released = (gi->event.type == GD_EVENT_RELEASED);
10923     boolean level_changed = LevelChanged();
10924
10925     if ((level_changed && pressed) || (!level_changed && released))
10926       return;
10927
10928     if (level_changed && !Request("Level has changed! Discard changes?",
10929                                   REQ_ASK))
10930     {
10931       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10932         ModifyEditorCounterValue(counter_id, *counter_value);
10933
10934       return;
10935     }
10936   }
10937
10938   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
10939     *counter_value = gi->textinput.number_value;
10940   else
10941     ModifyEditorCounterValue(counter_id, *counter_value + step);
10942
10943   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
10944   {
10945       LoadLevel(level_nr);
10946       LoadScore(level_nr);
10947
10948       TapeErase();
10949
10950       ResetUndoBuffer();
10951       DrawEditModeWindow();
10952
10953       return;
10954   }
10955
10956   switch (counter_id)
10957   {
10958     case ED_COUNTER_ID_YAMYAM_CONTENT:
10959       DrawYamYamContentAreas();
10960       break;
10961
10962     case ED_COUNTER_ID_BALL_CONTENT:
10963       DrawMagicBallContentAreas();
10964       break;
10965
10966     case ED_COUNTER_ID_ANDROID_CONTENT:
10967       DrawAndroidElementArea(properties_element);
10968       break;
10969
10970     case ED_COUNTER_ID_GROUP_CONTENT:
10971       DrawGroupElementArea(properties_element);
10972       CopyGroupElementPropertiesToGame(properties_element);
10973       break;
10974
10975     case ED_COUNTER_ID_INVENTORY_SIZE:
10976       DrawPlayerInitialInventoryArea(properties_element);
10977       break;
10978
10979     case ED_COUNTER_ID_ENVELOPE_XSIZE:
10980     case ED_COUNTER_ID_ENVELOPE_YSIZE:
10981       DrawEnvelopeTextArea(-1);
10982       break;
10983
10984     case ED_COUNTER_ID_LEVEL_XSIZE:
10985     case ED_COUNTER_ID_LEVEL_YSIZE:
10986       lev_fieldx = level.fieldx;
10987       lev_fieldy = level.fieldy;
10988
10989       /* check if resizing of level results in change of border border */
10990       SetBorderElement();
10991
10992       break;
10993
10994     default:
10995       break;
10996   }
10997
10998   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
10999        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11000       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11001        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11002     CopyElementPropertiesToGame(properties_element);
11003
11004   level.changed = TRUE;
11005 }
11006
11007 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11008 {
11009   int type_id = gi->custom_type_id;
11010
11011   strcpy(textinput_info[type_id].value, gi->textinput.value);
11012
11013   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11014   {
11015     CopyElementPropertiesToGame(properties_element);
11016
11017     ModifyEditorElementList();  /* update changed button info text */
11018   }
11019
11020   level.changed = TRUE;
11021 }
11022
11023 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11024 {
11025   int type_id = gi->custom_type_id;
11026
11027   strncpy(textarea_info[type_id].value, gi->textarea.value,
11028           MAX_ENVELOPE_TEXT_LEN);
11029   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11030
11031   level.changed = TRUE;
11032 }
11033
11034 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11035 {
11036   int type_id = gi->custom_type_id;
11037   int value_old = *selectbox_info[type_id].value;
11038   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11039
11040   *selectbox_info[type_id].value = value_new;
11041
11042   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11043   {
11044     element_info[properties_element].current_change_page = gi->selectbox.index;
11045
11046     DrawPropertiesWindow();
11047   }
11048   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11049             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11050            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11051             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11052            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11053   {
11054     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11055     {
11056       /* when changing action type, also check action mode and action arg */
11057       if (value_old != value_new)
11058         setSelectboxSpecialActionVariablesIfNeeded();
11059
11060       DrawPropertiesChange();
11061     }
11062
11063     CopyElementPropertiesToGame(properties_element);
11064
11065     level.changed = TRUE;
11066   }
11067 }
11068
11069 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11070 {
11071   int type_id = gi->custom_type_id;
11072   int i;
11073
11074   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11075       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11076   {
11077     edit_mode_levelinfo = gi->custom_type_id;
11078
11079     DrawLevelInfoWindow();
11080   }
11081   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11082            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11083   {
11084     edit_mode_properties = gi->custom_type_id;
11085
11086     DrawPropertiesWindow();
11087   }
11088   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11089   {
11090     char *template_filename = getDefaultLevelFilename(-1);
11091     boolean new_template = !fileExists(template_filename);
11092
11093     /* backup original "level.field" (needed to track playfield changes) */
11094     CopyPlayfield(level.field, FieldBackup);
11095
11096     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11097     CopyPlayfield(Feld, level.field);
11098
11099     if (new_template ||
11100         Request("Save this template and kill the old?", REQ_ASK))
11101       SaveLevelTemplate();
11102
11103     if (new_template)
11104       Request("Template saved!", REQ_CONFIRM);
11105
11106     /* restore original "level.field" (needed to track playfield changes) */
11107     CopyPlayfield(FieldBackup, level.field);
11108   }
11109   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11110            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11111   {
11112     struct ElementInfo *ei = &element_info[properties_element];
11113
11114     setElementChangePages(ei, ei->num_change_pages + 1);
11115
11116     /* set new change page to be new current change page */
11117     ei->current_change_page = ei->num_change_pages - 1;
11118     ei->change = &ei->change_page[ei->current_change_page];
11119
11120     setElementChangeInfoToDefaults(ei->change);
11121
11122     DrawPropertiesWindow();
11123
11124     level.changed = TRUE;
11125   }
11126   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11127            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11128   {
11129     struct ElementInfo *ei = &element_info[properties_element];
11130
11131     /* copy all change pages after change page to be deleted */
11132     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11133       ei->change_page[i] = ei->change_page[i + 1];
11134
11135     setElementChangePages(ei, ei->num_change_pages - 1);
11136
11137     DrawPropertiesWindow();
11138
11139     level.changed = TRUE;
11140   }
11141 }
11142
11143 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11144 {
11145   int type_id = gi->custom_type_id;
11146
11147   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11148       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11149   {
11150     struct ElementInfo *ei = &element_info[properties_element];
11151     int step = BUTTON_STEPSIZE(gi->event.button);
11152
11153     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11154     ei->current_change_page += step;
11155
11156     if (ei->current_change_page < 0)
11157       ei->current_change_page = 0;
11158     else if (ei->current_change_page >= ei->num_change_pages)
11159       ei->current_change_page = ei->num_change_pages - 1;
11160
11161     DrawPropertiesWindow();
11162   }
11163   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11164            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11165   {
11166     struct ElementInfo *ei = &element_info[properties_element];
11167     int current_change_page = ei->current_change_page;
11168
11169     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11170       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11171         ei->change_page[current_change_page];
11172     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11173     {
11174       ei->change_page[current_change_page] =
11175         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11176
11177       level.changed = TRUE;
11178     }
11179
11180     DrawPropertiesWindow();
11181   }
11182 }
11183
11184 static void HandleRadiobuttons(struct GadgetInfo *gi)
11185 {
11186   *radiobutton_info[gi->custom_type_id].value =
11187     radiobutton_info[gi->custom_type_id].checked_value;
11188
11189   level.changed = TRUE;
11190 }
11191
11192 static void HandleCheckbuttons(struct GadgetInfo *gi)
11193 {
11194   int type_id = gi->custom_type_id;
11195
11196   *checkbutton_info[type_id].value ^= TRUE;
11197
11198   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11199       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11200       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11201       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11202          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11203         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11204          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11205        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11206   {
11207     CopyElementPropertiesToGame(properties_element);
11208   }
11209
11210   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11211   {
11212     UpdateCustomElementGraphicGadgets();
11213   }
11214   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11215   {
11216     char *template_filename = getDefaultLevelFilename(-1);
11217
11218     if (level.use_custom_template && !fileExists(template_filename))
11219     {
11220       Request("No level template found!", REQ_CONFIRM);
11221
11222       level.use_custom_template = FALSE;
11223       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11224
11225       return;
11226     }
11227
11228     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11229
11230     DrawEditModeWindow();
11231   }
11232
11233   level.changed = TRUE;
11234 }
11235
11236 static void HandleControlButtons(struct GadgetInfo *gi)
11237 {
11238   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11239   static int last_edit_mode = ED_MODE_DRAWING;
11240   static int last_custom_copy_mode = -1;
11241   int id = gi->custom_id;
11242   int button = gi->event.button;
11243   int step = BUTTON_STEPSIZE(button);
11244   int new_element = BUTTON_ELEMENT(button);
11245   int x, y;
11246
11247   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11248     DrawLevelText(0, 0, 0, TEXT_END);
11249
11250   if (id < ED_NUM_CTRL1_BUTTONS &&
11251       id != GADGET_ID_SINGLE_ITEMS &&
11252       id != GADGET_ID_PICK_ELEMENT &&
11253       edit_mode != ED_MODE_DRAWING &&
11254       drawing_function != GADGET_ID_PICK_ELEMENT &&
11255       !(GetKeyModState() & KMOD_Control))
11256   {
11257     DrawDrawingWindow();
11258     edit_mode = ED_MODE_DRAWING;
11259   }
11260
11261   /* element copy mode active, but no element button pressed => deactivate */
11262   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11263     last_custom_copy_mode = -1;
11264
11265   switch (id)
11266   {
11267     case GADGET_ID_SCROLL_LEFT:
11268       if (level_xpos >= 0)
11269       {
11270         if (lev_fieldx < ed_fieldx - 2)
11271           break;
11272
11273         level_xpos -= step;
11274         if (level_xpos < -1)
11275           level_xpos = -1;
11276         if (button == 1)
11277           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11278         else
11279           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11280
11281         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11282                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11283       }
11284       break;
11285
11286     case GADGET_ID_SCROLL_RIGHT:
11287       if (level_xpos <= lev_fieldx - ed_fieldx)
11288       {
11289         if (lev_fieldx < ed_fieldx - 2)
11290           break;
11291
11292         level_xpos += step;
11293         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11294           level_xpos = lev_fieldx - ed_fieldx + 1;
11295         if (button == 1)
11296           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11297         else
11298           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11299
11300         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11301                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11302       }
11303       break;
11304
11305     case GADGET_ID_SCROLL_UP:
11306       if (level_ypos >= 0)
11307       {
11308         if (lev_fieldy < ed_fieldy - 2)
11309           break;
11310
11311         level_ypos -= step;
11312         if (level_ypos < -1)
11313           level_ypos = -1;
11314         if (button == 1)
11315           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11316         else
11317           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11318
11319         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11320                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11321       }
11322       break;
11323
11324     case GADGET_ID_SCROLL_DOWN:
11325       if (level_ypos <= lev_fieldy - ed_fieldy)
11326       {
11327         if (lev_fieldy < ed_fieldy - 2)
11328           break;
11329
11330         level_ypos += step;
11331         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11332           level_ypos = lev_fieldy - ed_fieldy + 1;
11333         if (button == 1)
11334           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11335         else
11336           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11337
11338         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11339                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11340       }
11341       break;
11342
11343     case GADGET_ID_SCROLL_HORIZONTAL:
11344       level_xpos = gi->event.item_position - 1;
11345       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11346       break;
11347
11348     case GADGET_ID_SCROLL_VERTICAL:
11349       level_ypos = gi->event.item_position - 1;
11350       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11351       break;
11352
11353     case GADGET_ID_SCROLL_LIST_UP:
11354     case GADGET_ID_SCROLL_LIST_DOWN:
11355     case GADGET_ID_SCROLL_LIST_VERTICAL:
11356       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11357         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11358       else
11359       {
11360         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11361         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11362
11363         if (element_shift < 0)
11364           element_shift = 0;
11365         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11366           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11367
11368         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11369                      GDI_SCROLLBAR_ITEM_POSITION,
11370                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11371       }
11372
11373       ModifyEditorElementList();
11374
11375       break;
11376
11377     case GADGET_ID_PROPERTIES:
11378       if (edit_mode != ED_MODE_PROPERTIES)
11379       {
11380         properties_element = new_element;
11381         DrawPropertiesWindow();
11382         edit_mode = ED_MODE_PROPERTIES;
11383
11384         last_level_drawing_function = drawing_function;
11385         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11386                       MB_LEFTBUTTON);
11387       }
11388       else
11389       {
11390         DrawDrawingWindow();
11391         edit_mode = ED_MODE_DRAWING;
11392
11393         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11394                       MB_LEFTBUTTON);
11395       }
11396       break;
11397
11398     case GADGET_ID_WRAP_LEFT:
11399       WrapLevel(-step, 0);
11400       break;
11401
11402     case GADGET_ID_WRAP_RIGHT:
11403       WrapLevel(step, 0);
11404       break;
11405
11406     case GADGET_ID_WRAP_UP:
11407       WrapLevel(0, -step);
11408       break;
11409
11410     case GADGET_ID_WRAP_DOWN:
11411       WrapLevel(0, step);
11412       break;
11413
11414     case GADGET_ID_SINGLE_ITEMS:
11415     case GADGET_ID_CONNECTED_ITEMS:
11416     case GADGET_ID_LINE:
11417     case GADGET_ID_ARC:
11418     case GADGET_ID_TEXT:
11419     case GADGET_ID_RECTANGLE:
11420     case GADGET_ID_FILLED_BOX:
11421     case GADGET_ID_FLOOD_FILL:
11422     case GADGET_ID_GRAB_BRUSH:
11423     case GADGET_ID_PICK_ELEMENT:
11424       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11425         last_drawing_function = drawing_function;
11426       drawing_function = id;
11427       draw_with_brush = FALSE;
11428       break;
11429
11430     case GADGET_ID_RANDOM_PLACEMENT:
11431       RandomPlacement(new_element);
11432       break;
11433
11434     case GADGET_ID_ZOOM:
11435       // zoom level editor tile size in or out (or reset to default size)
11436       ed_tilesize = (button == 1 ? ed_tilesize / 2 :
11437                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11438                      button == 3 ? ed_tilesize * 2 : ed_tilesize);
11439
11440       // limit zoom level by upper and lower bound
11441       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11442
11443       InitZoomLevelSettings();
11444
11445       if (edit_mode == ED_MODE_DRAWING)
11446         DrawDrawingWindow();
11447
11448       break;
11449
11450     case GADGET_ID_CUSTOM_COPY_FROM:
11451     case GADGET_ID_CUSTOM_COPY_TO:
11452     case GADGET_ID_CUSTOM_EXCHANGE:
11453       last_custom_copy_mode = id;
11454       last_drawing_function = drawing_function;
11455       break;
11456
11457     case GADGET_ID_CUSTOM_COPY:
11458       CopyCustomElement(properties_element, -1, id);
11459       break;
11460
11461     case GADGET_ID_CUSTOM_PASTE:
11462       CopyCustomElement(-1, properties_element, id);
11463       break;
11464
11465     case GADGET_ID_UNDO:
11466       if (button == 1 && undo_buffer_steps == 0)
11467       {
11468         Request("Undo buffer empty!", REQ_CONFIRM);
11469
11470         break;
11471       }
11472       else if (button == 2)
11473       {
11474         break;
11475       }
11476       else if (button == 3 && redo_buffer_steps == 0)
11477       {
11478         Request("Redo buffer empty!", REQ_CONFIRM);
11479
11480         break;
11481       }
11482
11483       if (edit_mode != ED_MODE_DRAWING)
11484       {
11485         DrawDrawingWindow();
11486         edit_mode = ED_MODE_DRAWING;
11487       }
11488
11489       if (button == 1)
11490       {
11491         /* undo */
11492
11493         undo_buffer_position =
11494           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11495
11496         undo_buffer_steps--;
11497         redo_buffer_steps++;
11498       }
11499       else
11500       {
11501         /* redo */
11502
11503         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11504
11505         undo_buffer_steps++;
11506         redo_buffer_steps--;
11507       }
11508
11509       for (x = 0; x < lev_fieldx; x++)
11510         for (y = 0; y < lev_fieldy; y++)
11511           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11512
11513       /* check if undo operation forces change of border style */
11514       CheckLevelBorderElement(FALSE);
11515
11516       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11517
11518       break;
11519
11520     case GADGET_ID_INFO:
11521       if (edit_mode != ED_MODE_INFO)
11522       {
11523         last_edit_mode = edit_mode;
11524         edit_mode = ED_MODE_INFO;
11525
11526         DrawLevelInfoWindow();
11527       }
11528       else
11529       {
11530         edit_mode = last_edit_mode;
11531
11532         DrawEditModeWindow();
11533       }
11534       break;
11535
11536     case GADGET_ID_CLEAR:
11537       if (edit_mode != ED_MODE_DRAWING)
11538       {
11539         DrawDrawingWindow();
11540         edit_mode = ED_MODE_DRAWING;
11541       }
11542
11543       for (x = 0; x < MAX_LEV_FIELDX; x++)
11544         for (y = 0; y < MAX_LEV_FIELDY; y++)
11545           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11546
11547       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11548
11549       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11550       break;
11551
11552     case GADGET_ID_SAVE:
11553     {
11554       /* saving read-only levels into personal level set modifies global vars
11555          "leveldir_current" and "level_nr"; restore them after saving level */
11556       LevelDirTree *leveldir_former = leveldir_current;
11557       int level_nr_former = level_nr;
11558       char *level_filename;
11559       boolean new_level;
11560
11561       if (leveldir_current->readonly &&
11562           !PrepareSavingIntoPersonalLevelSet())
11563         break;
11564
11565       level_filename = getDefaultLevelFilename(level_nr);
11566       new_level = !fileExists(level_filename);
11567
11568       if (new_level ||
11569           Request("Save this level and kill the old?", REQ_ASK))
11570       {
11571         if (leveldir_former->readonly)
11572           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11573
11574         CopyPlayfield(Feld, level.field);
11575         SaveLevel(level_nr);
11576
11577         level.changed = FALSE;
11578
11579         if (new_level)
11580         {
11581           char level_saved_msg[64];
11582
11583           if (leveldir_former->readonly)
11584             sprintf(level_saved_msg,
11585                     "Level saved as level %d into personal level set!",
11586                     level_nr);
11587           else
11588             strcpy(level_saved_msg, "Level saved!");
11589
11590           Request(level_saved_msg, REQ_CONFIRM);
11591         }
11592       }
11593
11594       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11595       leveldir_current = leveldir_former;
11596       level_nr = level_nr_former;
11597
11598       break;
11599     }
11600
11601     case GADGET_ID_TEST:
11602       if (LevelChanged())
11603         level.game_version = GAME_VERSION_ACTUAL;
11604
11605       CopyPlayfield(level.field, FieldBackup);
11606       CopyPlayfield(Feld, level.field);
11607
11608       CopyNativeLevel_RND_to_Native(&level);
11609
11610       UnmapLevelEditorGadgets();
11611       UndrawSpecialEditorDoor();
11612
11613       CloseDoor(DOOR_CLOSE_ALL);
11614
11615       /* needed before playing if editor playfield area has different size */
11616       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11617
11618       // redraw_mask = REDRAW_ALL;
11619
11620       level_editor_test_game = TRUE;
11621
11622       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11623
11624       break;
11625
11626     case GADGET_ID_EXIT:
11627       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11628       break;
11629
11630     default:
11631       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11632           id <= GADGET_ID_ELEMENTLIST_LAST)
11633       {
11634         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11635         int new_element = editor_elements[element_position + element_shift];
11636
11637         if (IS_EDITOR_CASCADE(new_element))
11638         {
11639           int i;
11640
11641           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11642           {
11643             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11644             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11645
11646             if (*cascade_element == new_element)
11647             {
11648               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11649               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11650
11651               /* update element selection list */
11652               ReinitializeElementList();
11653               ModifyEditorElementList();
11654
11655               /* update cascading gadget info text */
11656               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11657
11658               /* save current editor cascading state */
11659               SaveSetup_EditorCascade();
11660
11661               break;
11662             }
11663           }
11664
11665           break;
11666         }
11667
11668         if (last_custom_copy_mode != -1)
11669         {
11670           if (CopyCustomElement(properties_element, new_element,
11671                                 last_custom_copy_mode))
11672           {
11673             ClickOnGadget(level_editor_gadget[last_drawing_function],
11674                           MB_LEFTBUTTON);
11675
11676             last_custom_copy_mode = -1;
11677           }
11678
11679           break;
11680         }
11681
11682         PickDrawingElement(button, new_element);
11683
11684         if (!stick_element_properties_window &&
11685             drawing_function != GADGET_ID_PICK_ELEMENT &&
11686             !(GetKeyModState() & KMOD_Control))
11687         {
11688           properties_element = new_element;
11689           if (edit_mode == ED_MODE_PROPERTIES)
11690             DrawPropertiesWindow();
11691         }
11692
11693         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11694           ClickOnGadget(level_editor_gadget[last_drawing_function],
11695                         MB_LEFTBUTTON);
11696       }
11697 #ifdef DEBUG
11698       else if (gi->event.type == GD_EVENT_PRESSED)
11699         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11700       else if (gi->event.type == GD_EVENT_RELEASED)
11701         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11702       else if (gi->event.type == GD_EVENT_MOVING)
11703         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11704       else
11705         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11706 #endif
11707       break;
11708   }
11709 }
11710
11711 void HandleLevelEditorKeyInput(Key key)
11712 {
11713   char letter = getCharFromKey(key);
11714   int button = MB_LEFTBUTTON;
11715
11716   if (drawing_function == GADGET_ID_TEXT &&
11717       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11718   {
11719     if (letter)
11720       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11721     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11722       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11723     else if (key == KSYM_Return)
11724       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11725     else if (key == KSYM_Escape)
11726       DrawLevelText(0, 0, 0, TEXT_END);
11727   }
11728   else if (button_status == MB_RELEASED)
11729   {
11730     int id = GADGET_ID_NONE;
11731     int new_element_shift = element_shift;
11732     int i;
11733
11734     switch (key)
11735     {
11736       case KSYM_Left:
11737         id = GADGET_ID_SCROLL_LEFT;
11738         break;
11739       case KSYM_Right:
11740         id = GADGET_ID_SCROLL_RIGHT;
11741         break;
11742       case KSYM_Up:
11743         id = GADGET_ID_SCROLL_UP;
11744         break;
11745       case KSYM_Down:
11746         id = GADGET_ID_SCROLL_DOWN;
11747         break;
11748       case KSYM_Page_Up:
11749         id = GADGET_ID_SCROLL_LIST_UP;
11750         button = MB_RIGHTBUTTON;
11751         break;
11752       case KSYM_Page_Down:
11753         id = GADGET_ID_SCROLL_LIST_DOWN;
11754         button = MB_RIGHTBUTTON;
11755         break;
11756
11757       case KSYM_Home:
11758       case KSYM_End:
11759         element_shift = (key == KSYM_Home ? 0 :
11760                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11761
11762         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11763                      GDI_SCROLLBAR_ITEM_POSITION,
11764                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11765
11766         ModifyEditorElementList();
11767
11768         break;
11769
11770       case KSYM_Insert:
11771       case KSYM_Delete:
11772
11773         /* this is needed to prevent interference with running "True X-Mouse" */
11774         if (GetKeyModStateFromEvents() & KMOD_Control)
11775           break;
11776
11777         /* check for last or next editor cascade block in element list */
11778         for (i = 0; i < num_editor_elements; i++)
11779         {
11780           if ((key == KSYM_Insert && i == element_shift) ||
11781               (key == KSYM_Delete && new_element_shift > element_shift))
11782             break;
11783
11784           /* jump to next cascade block (or to start of element list) */
11785           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11786             new_element_shift = i;
11787         }
11788
11789         if (i < num_editor_elements)
11790           element_shift = new_element_shift;
11791
11792         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11793           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11794
11795         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11796                      GDI_SCROLLBAR_ITEM_POSITION,
11797                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11798
11799         ModifyEditorElementList();
11800
11801         break;
11802
11803       case KSYM_Escape:
11804         if (edit_mode == ED_MODE_DRAWING)
11805         {
11806           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11807         }
11808         else if (edit_mode == ED_MODE_INFO)
11809         {
11810           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11811         }
11812         else if (edit_mode == ED_MODE_PROPERTIES)
11813         {
11814           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11815         }
11816         else            /* should never happen */
11817         {
11818           DrawDrawingWindow();
11819           edit_mode = ED_MODE_DRAWING;
11820         }
11821
11822         break;
11823
11824       default:
11825         break;
11826     }
11827
11828     if (id != GADGET_ID_NONE)
11829       ClickOnGadget(level_editor_gadget[id], button);
11830     else if (letter >= '1' && letter <= '3')
11831       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11832     else if (letter == '?')
11833       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11834     else if (letter == '.')
11835       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11836     else if (letter == 'R')
11837       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
11838     else if (key == KSYM_KP_Subtract)
11839       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
11840     else if (key == KSYM_KP_0 || letter == '0')
11841       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
11842     else if (key == KSYM_KP_Add || letter == '+')
11843       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
11844     else if (key == KSYM_Return ||
11845              key == KSYM_space ||
11846              key == setup.shortcut.toggle_pause)
11847       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11848     else
11849       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11850         if (letter && letter == controlbutton_info[i].shortcut)
11851           if (!anyTextGadgetActive())
11852             ClickOnGadget(level_editor_gadget[i], button);
11853   }
11854 }
11855
11856 void HandleLevelEditorIdle()
11857 {
11858   static unsigned int action_delay = 0;
11859   unsigned int action_delay_value = GameFrameDelay;
11860   int xpos = 1, ypos = 2;
11861   int i;
11862
11863   if (edit_mode != ED_MODE_PROPERTIES)
11864     return;
11865
11866   if (!DelayReached(&action_delay, action_delay_value))
11867     return;
11868
11869   for (i = 0; i < ED_NUM_SELECTBOX; i++)
11870   {
11871     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
11872
11873     if (gi->mapped && gi->active && gi->selectbox.open)
11874       return;
11875   }
11876
11877   DrawEditorElementAnimation(SX + xpos * TILEX,
11878                              SY + ypos * TILEY + MINI_TILEY / 2);
11879
11880   MarkTileDirty(xpos, ypos);
11881   MarkTileDirty(xpos, ypos + 1);
11882
11883   FrameCounter++;       /* increase animation frame counter */
11884 }
11885
11886 void ClearEditorGadgetInfoText()
11887 {
11888   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
11889 }
11890
11891 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
11892 {
11893   char infotext[MAX_OUTPUT_LINESIZE + 1];
11894   char shortcut[MAX_OUTPUT_LINESIZE + 1];
11895   int max_infotext_len = getMaxInfoTextLength();
11896
11897   if (gi == NULL || gi->info_text == NULL)
11898     return;
11899
11900   strncpy(infotext, gi->info_text, max_infotext_len);
11901   infotext[max_infotext_len] = '\0';
11902
11903   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
11904   {
11905     int key = controlbutton_info[gi->custom_id].shortcut;
11906
11907     if (key)
11908     {
11909       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
11910         sprintf(shortcut, " ('.' or '%c')", key);
11911       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
11912         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
11913       else if (gi->custom_id == GADGET_ID_TEST)
11914         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
11915       else if (gi->custom_id == GADGET_ID_UNDO)
11916         sprintf(shortcut, " ('Shift-%c/R')", key);
11917       else if (gi->custom_id == GADGET_ID_ZOOM)
11918         sprintf(shortcut, " ('%c', '0', '+')", key);
11919       else
11920         sprintf(shortcut, " ('%s%c')",
11921                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
11922
11923       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
11924         strcat(infotext, shortcut);
11925     }
11926   }
11927
11928   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, FONT_TEXT_2);
11929 }
11930
11931 void HandleEditorGadgetInfoText(void *ptr)
11932 {
11933   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
11934
11935   if (game_status != GAME_MODE_EDITOR)
11936     return;
11937
11938   ClearEditorGadgetInfoText();
11939
11940   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
11941     return;
11942
11943   /* misuse this function to delete brush cursor, if needed */
11944   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
11945     DeleteBrushFromCursor();
11946
11947   PrintEditorGadgetInfoText(gi);
11948 }
11949
11950 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
11951 {
11952   static int start_lx, start_ly;
11953   int id = gi->custom_id;
11954   int type_id = gi->custom_type_id;
11955   int sx = gi->event.x;
11956   int sy = gi->event.y;
11957   int lx = sx + level_xpos;
11958   int ly = sy + level_ypos;
11959   int min_sx = 0, min_sy = 0;
11960   int max_sx = gi->drawing.area_xsize - 1;
11961   int max_sy = gi->drawing.area_ysize - 1;
11962   int actual_drawing_function = drawing_function;
11963   int max_infotext_len = getMaxInfoTextLength();
11964   char infotext[MAX_OUTPUT_LINESIZE + 1];
11965   char *text;
11966
11967   infotext[0] = '\0';           /* start with empty info text */
11968
11969   /* pressed Control key: simulate picking element */
11970   if (GetKeyModState() & KMOD_Control)
11971     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
11972
11973   ClearEditorGadgetInfoText();
11974
11975   if (gi->event.type == GD_EVENT_INFO_LEAVING)
11976     return;
11977
11978   /* make sure to stay inside drawing area boundaries */
11979   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
11980   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
11981
11982   if (id == GADGET_ID_DRAWING_LEVEL)
11983   {
11984     if (button_status)
11985     {
11986       int min_lx = 0, min_ly = 0;
11987       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
11988
11989       /* get positions inside level field */
11990       lx = sx + level_xpos;
11991       ly = sy + level_ypos;
11992
11993       /* make sure to stay inside level field boundaries */
11994       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
11995       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
11996
11997       /* correct drawing area positions accordingly */
11998       sx = lx - level_xpos;
11999       sy = ly - level_ypos;
12000     }
12001
12002     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12003     {
12004       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12005       {
12006         if (gi->event.type == GD_EVENT_PRESSED)
12007         {
12008           start_lx = lx;
12009           start_ly = ly;
12010         }
12011
12012         switch (actual_drawing_function)
12013         {
12014           case GADGET_ID_SINGLE_ITEMS:
12015             text = "Drawing single items";
12016             break;
12017           case GADGET_ID_CONNECTED_ITEMS:
12018             text = "Drawing connected items";
12019             break;
12020           case GADGET_ID_LINE:
12021             text = "Drawing line";
12022             break;
12023           case GADGET_ID_ARC:
12024             text = "Drawing arc";
12025             break;
12026           case GADGET_ID_TEXT:
12027             text = "Setting text cursor";
12028             break;
12029           case GADGET_ID_RECTANGLE:
12030             text = "Drawing rectangle";
12031             break;
12032           case GADGET_ID_FILLED_BOX:
12033             text = "Drawing filled box";
12034             break;
12035           case GADGET_ID_FLOOD_FILL:
12036             text = "Flood fill";
12037             break;
12038           case GADGET_ID_GRAB_BRUSH:
12039             text = "Grabbing brush";
12040             break;
12041           case GADGET_ID_PICK_ELEMENT:
12042             text = "Picking element";
12043             break;
12044
12045           default:
12046             text = "Drawing position";
12047             break;
12048         }
12049
12050         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12051           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12052         else
12053           sprintf(infotext, "%s: %d, %d", text,
12054                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12055       }
12056       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12057         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12058       else
12059         sprintf(infotext, "Level position: %d, %d", lx, ly);
12060     }
12061
12062     /* misuse this function to draw brush cursor, if needed */
12063     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12064     {
12065       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12066         CopyBrushToCursor(sx, sy);
12067       else
12068         DeleteBrushFromCursor();
12069     }
12070   }
12071   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12072   {
12073     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12074     int element = drawingarea_info[type_id].value[pos];
12075
12076     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12077   }
12078   else
12079   {
12080     if (id == GADGET_ID_CUSTOM_CONTENT)
12081       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12082     else if (id == GADGET_ID_GROUP_CONTENT)
12083       sprintf(infotext, "group element position: %d", sx + 1);
12084     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12085              id <= GADGET_ID_YAMYAM_CONTENT_7)
12086       sprintf(infotext, "content area %d position: %d, %d",
12087               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12088     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12089              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12090       sprintf(infotext, "content area %d position: %d, %d",
12091               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12092     else if (id == GADGET_ID_ANDROID_CONTENT)
12093       sprintf(infotext, "android element position: %d", sx + 1);
12094     else if (drawingarea_info[type_id].infotext != NULL)
12095       strcpy(infotext, drawingarea_info[type_id].infotext);
12096   }
12097
12098   infotext[max_infotext_len] = '\0';
12099
12100   if (strlen(infotext) > 0)
12101     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, FONT_TEXT_2, infotext);
12102 }
12103
12104 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12105                             boolean quick_quit)
12106 {
12107   if (!ask_if_level_has_changed ||
12108       !LevelChanged() ||
12109       Request("Level has changed! Exit without saving?",
12110               REQ_ASK | REQ_STAY_OPEN))
12111   {
12112     SetDoorState(DOOR_CLOSE_2);
12113
12114     if (quick_quit)
12115       FadeSkipNextFadeIn();
12116
12117     game_status = GAME_MODE_MAIN;
12118
12119     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
12120   }
12121   else
12122   {
12123     if (!global.use_envelope_request)
12124     {
12125       CloseDoor(DOOR_CLOSE_1);
12126       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12127     }
12128   }
12129 }