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