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_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  68 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  69 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  70 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  71 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  72 #define ED_GADGET_TAB_DISTANCE          (editor.gadget.tab_spacing)
  73 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  74 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  75                                          ED_DRAWINGAREA_BORDER_SIZE)
  76 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  77
  78 /* values for drawingarea gadgets */
  79 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  80 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  81 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  82 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  83 #define ED_DRAWINGAREA_TILE_SIZE        (graphic_info[IMG_BORDER_2].tile_size)
  84
  85 /* values for checkbutton gadgets */
  86 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  87 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  88
  89 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  90 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  91
  92 #define ED_LEVEL_SETTINGS_TABS_XPOS     (editor.level_settings.tabs.x)
  93 #define ED_LEVEL_SETTINGS_TABS_YPOS     (editor.level_settings.tabs.y)
  94 #define ED_ELEMENT_SETTINGS_TABS_XPOS   (editor.element_settings.tabs.x)
  95 #define ED_ELEMENT_SETTINGS_TABS_YPOS   (editor.element_settings.tabs.y)
  96
  97 #define ED_LEVEL_SETTINGS_XSTART        (ED_LEVEL_SETTINGS_TABS_XPOS)
  98 #define ED_LEVEL_SETTINGS_YSTART        (ED_LEVEL_SETTINGS_TABS_YPOS +  \
  99                                          ED_TABBUTTON_YSIZE +           \
 100                                          ED_GADGET_TINY_DISTANCE +      \
 101                                          ED_TAB_BAR_HEIGHT +            \
 102                                          ED_GADGET_TAB_DISTANCE +       \
 103                                          getFontHeight(FONT_TEXT_1) +   \
 104                                          ED_GADGET_TEXT_DISTANCE)
 105 #define ED_ELEMENT_SETTINGS_XSTART      (ED_ELEMENT_SETTINGS_TABS_XPOS)
 106 #define ED_ELEMENT_SETTINGS_YSTART      (ED_ELEMENT_SETTINGS_TABS_YPOS + \
 107                                          ED_TABBUTTON_YSIZE +           \
 108                                          ED_GADGET_TINY_DISTANCE +      \
 109                                          ED_TAB_BAR_HEIGHT +            \
 110                                          ED_GADGET_TAB_DISTANCE)
 111
 112 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 113                                          ED_GADGET_TEXT_DISTANCE)
 114 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 115                                          ED_GADGET_LINE_DISTANCE)
 116
 117 #define ED_POS_LEVEL_SETTINGS_RANGE     (10000)
 118 #define ED_POS_LEVEL_SETTINGS_FIRST     (1 * ED_POS_LEVEL_SETTINGS_RANGE)
 119 #define ED_POS_LEVEL_SETTINGS_LAST      (2 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 120 #define ED_POS_ELEMENT_SETTINGS_FIRST   (2 * ED_POS_LEVEL_SETTINGS_RANGE)
 121 #define ED_POS_ELEMENT_SETTINGS_LAST    (3 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 122
 123 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 124 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 125
 126 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 127 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 128
 129 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 130                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 131 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 132                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 133
 134 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 135 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 136
 137 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 138                                          (n) * ED_SETTINGS_XOFFSET)
 139 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 140                                          (n) * ED_SETTINGS_YOFFSET)
 141
 142 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 143                                          (n) * ED_SETTINGS_XOFFSET)
 144 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 145                                          (n) * ED_SETTINGS_YOFFSET)
 146
 147 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 148   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 149 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 150   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 151
 152 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 153   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 154 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 155   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 156
 157 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 158                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 159                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 160                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 161 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 162                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 163                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 164                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 165
 166 #define ED_TAB_SETTINGS_X(n)            (IS_POS_LEVEL_SETTINGS(n) ?     \
 167                                          ED_LEVEL_SETTINGS_TABS_XPOS :  \
 168                                          ED_ELEMENT_SETTINGS_TABS_XPOS)
 169 #define ED_TAB_SETTINGS_Y(n)            (IS_POS_LEVEL_SETTINGS(n) ?     \
 170                                          ED_LEVEL_SETTINGS_TABS_YPOS :  \
 171                                          ED_ELEMENT_SETTINGS_TABS_YPOS)
 172
 173 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 174                                          ED_DRAWINGAREA_TILE_SIZE)
 175 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 176                                          ED_DRAWINGAREA_TILE_SIZE)
 177
 178 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 179                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 180 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 181                                          (ED_CHECKBUTTON_YSIZE -        \
 182                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 183
 184 #define ED_AREA_XOFFSET_2(n)      (0)
 185 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 186                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 187
 188 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 189                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 190                                     ED_AREA_XOFFSET_1((i).x) -          \
 191                                     ED_AREA_XOFFSET_2((i).area_xsize))
 192 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 193                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 194                                     ED_AREA_YOFFSET_1((i).y) -          \
 195                                     ED_AREA_YOFFSET_2((i).area_ysize))
 196
 197 /* values for element content drawing areas */
 198 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 199 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 200 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 201 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 202
 203 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 204 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 205 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 206 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 207
 208 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 209 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 210 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 211 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 212
 213 /* element content */
 214 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 215 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 216
 217 /* yamyam content */
 218 #define ED_XPOS_YAM                     0
 219 #define ED_YPOS_YAM                     5
 220 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 221 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 222 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 223 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 224 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 225                                          ED_SETTINGS_XOFF(n))
 226 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 227                                          ED_SETTINGS_YOFF(n) +          \
 228                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 229                                          ED_AREA_YOFFSET_2(3))
 230
 231 /* magic ball content */
 232 #define ED_XPOS_BALL                    0
 233 #define ED_YPOS_BALL                    6
 234 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 235 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 236 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 237 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 238 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 239                                          ED_SETTINGS_XOFF(n))
 240 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 241                                          ED_SETTINGS_YOFF(n) +          \
 242                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 243                                          ED_AREA_YOFFSET_2(3))
 244
 245 /* values for scrolling gadgets for drawing area */
 246 #define ED_SCROLLBUTTON_XSIZE           16
 247 #define ED_SCROLLBUTTON_YSIZE           16
 248
 249 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 250 #define ED_SCROLL_UP_YPOS               (0)
 251 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 252 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 253 #define ED_SCROLL_LEFT_XPOS             (0)
 254 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 255 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 256 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 257 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 258                                          ED_SCROLLBUTTON_XSIZE)
 259 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 260 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 261 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 262 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 263 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 264                                          ED_SCROLLBUTTON_YSIZE)
 265 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 266 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 267
 268 /* values for scrolling gadgets for element list */
 269 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 270 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 271
 272 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 273                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 274                                          ED_ELEMENTLIST_XSIZE)
 275 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 276 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 277 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 278                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 279                                          ED_ELEMENTLIST_YSIZE -         \
 280                                          ED_SCROLLBUTTON2_YSIZE)
 281 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 282 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 283                                          ED_SCROLLBUTTON2_YSIZE)
 284 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 285 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 286                                          ED_ELEMENTLIST_YSIZE -         \
 287                                          2 * ED_SCROLLBUTTON2_YSIZE)
 288
 289 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 290 #define INFOTEXT_FONT           FONT_TEXT_2
 291 #define INFOTEXT_XSIZE          SXSIZE
 292 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 293 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 294 #define INFOTEXT_XPOS           SX
 295 #define INFOTEXT_YPOS           (SY + SYSIZE - INFOTEXT_YSIZE)
 296
 297
 298 /*
 299   -----------------------------------------------------------------------------
 300   editor gadget definitions
 301   -----------------------------------------------------------------------------
 302 */
 303
 304 /* drawing toolbox buttons */
 305 #define GADGET_ID_NONE                  -1
 306 #define GADGET_ID_TOOLBOX_FIRST         0
 307
 308 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 309 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 310 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 311 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 312 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 313 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 314 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 315 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 316 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 317 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 318 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 319 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 320 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 321 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 322 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 323 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 324
 325 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 326 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 327 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 328 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 329 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 330 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 331
 332 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 333 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 334 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 335 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 336 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 337
 338 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 339
 340 /* counter gadget identifiers */
 341 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 28)
 342
 343 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 344 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 345 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 346 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 347 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 348 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 349 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 350 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 351 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 352 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 353 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 354 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 355 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 356 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 357 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 358 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 359 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 360 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 361 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 362 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 363 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 364 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 365 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 366 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 367 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 368 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 369 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 370 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 371 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 372 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 373 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 374 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 375 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 376 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 377 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 378 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 379 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 380 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 381 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 382 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 383 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 384 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 385 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 386 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 387 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 388 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 389 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 390 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 391 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 392 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 393 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 394 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 395 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 396 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 397 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 398 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 399 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 400 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 401 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 402 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 403 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 404 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 405 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 406 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 407 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 408 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 409 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 410 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 411 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 412 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 413 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 414 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 415 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 416 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 417 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 418 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 419 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 420 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 421 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 422 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 423 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 424 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 425 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 426 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 427 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 428 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 429 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 430 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 431 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 432 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 433 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 434 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 435 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 436 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 437 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 438 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 439 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 440 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 441 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 442 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 443 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 444 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 445
 446 /* drawing area identifiers */
 447 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 448
 449 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 450 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 451 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 452 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 453 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 454 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 455 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 456 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 457 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 458 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 459 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 460 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 461 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 462 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 463 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 464 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 465 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 466 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 467 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 468 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 469 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 470 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 471 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 472 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 473 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 474 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 475 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 476 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 477 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 478 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 479 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 480 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 481 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 482
 483 /* text input identifiers */
 484 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 485
 486 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 487 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 488 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 489
 490 /* text area identifiers */
 491 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 492
 493 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 494
 495 /* selectbox identifiers */
 496 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 497
 498 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 499 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 500 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 501 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 502 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 503 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 504 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 505 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 506 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 507 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 508 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 509 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 510 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 511 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 512 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 513 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 514 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 515 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 516 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 517 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 518 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 519 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 520 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 521 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 522 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 523 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 524 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 525 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 526 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 527
 528 /* textbutton identifiers */
 529 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 530
 531 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 532 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 533 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 534 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 535 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 536 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 537 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 538 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 539 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 540 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 541
 542 /* graphicbutton identifiers */
 543 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 544
 545 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 546 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 547 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 548 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 549
 550 /* gadgets for scrolling of drawing area */
 551 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 552
 553 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 554 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 555 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 556 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 557 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 558 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 559
 560 /* gadgets for scrolling element list */
 561 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 562
 563 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 564 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 565 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 566
 567 /* checkbuttons/radiobuttons for level/element properties */
 568 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 569
 570 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 571 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 572 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 573 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 574 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 575 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 576 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 577 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 578 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 579 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 580 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 581 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 582 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 583 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 584 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 585 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 586 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 587 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 588 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 589 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 590 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 591 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 592 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 593 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 594 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 595 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 596 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 597 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 598 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 599 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 600 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 601 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 602 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 603 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 604 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 605 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 606 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 607 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 608 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 609 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 610 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 611 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 612 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 613 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 614 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 615 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 616 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 617 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 618 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 619 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 620 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 621 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 622 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 623 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 624
 625 /* gadgets for buttons in element list */
 626 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 627 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 628                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 629
 630 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 631
 632 /* radio button numbers */
 633 #define RADIO_NR_NONE                   0
 634 #define RADIO_NR_DRAWING_TOOLBOX        1
 635 #define RADIO_NR_RANDOM_ELEMENTS        2
 636
 637 /* values for counter gadgets */
 638 #define ED_COUNTER_ID_SELECT_LEVEL      0
 639 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 640 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 641 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 642 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 643 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 644 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 645 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 646 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 647 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 648 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 649 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 650 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 651 #define ED_COUNTER_ID_BALL_CONTENT      13
 652 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 653 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 654 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 655 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 656 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 657 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 658 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 659 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 660 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 661 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 662 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 663 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 664 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 665 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 666 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 667 #define ED_COUNTER_ID_IGNITION_DELAY    29
 668 #define ED_COUNTER_ID_GROUP_CONTENT     30
 669 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 670 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 671 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 672
 673 #define ED_NUM_COUNTERBUTTONS           34
 674
 675 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 676 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 677 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 678 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 679
 680 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 681 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 682 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 683 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 684 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 685 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 686
 687 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 688 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 689
 690 /* values for scrollbutton gadgets */
 691 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 692 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 693 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 694 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 695 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 696 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 697
 698 #define ED_NUM_SCROLLBUTTONS            6
 699
 700 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 701 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 702
 703 /* values for scrollbar gadgets */
 704 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 705 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 706 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 707
 708 #define ED_NUM_SCROLLBARS               3
 709
 710 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 711 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 712
 713 /* values for text input gadgets */
 714 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 715 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 716 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 717
 718 #define ED_NUM_TEXTINPUT                3
 719
 720 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 721 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 722
 723 /* values for text area gadgets */
 724 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 725
 726 #define ED_NUM_TEXTAREAS                        1
 727
 728 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 729 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 730
 731 /* values for selectbox gadgets */
 732 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 733 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 734 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 735 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 736 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 737 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 738 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 739 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 740 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 741 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 742 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 743 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 744 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 745 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 746 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 747 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 748 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 749 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 750 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 751 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 752 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 753 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 754 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 755 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 756 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 757 #define ED_SELECTBOX_ID_ACTION_MODE             25
 758 #define ED_SELECTBOX_ID_ACTION_ARG              26
 759 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 760 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 761
 762 #define ED_NUM_SELECTBOX                        29
 763
 764 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 765 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 766
 767 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 768 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 769 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 770 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 771 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 772 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 773
 774 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 775 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 776
 777 /* values for textbutton gadgets */
 778 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 779 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 780 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 781 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 782 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 783 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 784 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 785 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 786 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 787 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 788
 789 #define ED_NUM_TEXTBUTTONS                      10
 790
 791 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 792 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 793
 794 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 795 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 796
 797 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 798 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 799
 800 /* values for graphicbutton gadgets */
 801 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 802 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 803 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 804 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 805
 806 #define ED_NUM_GRAPHICBUTTONS                   4
 807
 808 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 809 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 810
 811 /* values for checkbutton gadgets */
 812 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 813 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 814 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 815 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 816 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 817 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 818 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 819 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 820 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 821 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 822 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 823 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 824 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 825 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 826 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 827 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 828 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 829 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 830 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 831 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 832 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 833 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 834 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 835 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 836 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 837 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 838 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 839 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 840 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 841 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 842 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 843 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 844 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 845 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 846 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 847 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 848 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 849 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 850 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 851 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 852 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 853 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 854 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 855 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 856 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 857 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 858 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 859 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 860 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 861 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 862 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 863 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 864
 865 #define ED_NUM_CHECKBUTTONS                     52
 866
 867 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 868 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 869
 870 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 871 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 872 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 873 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 874 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 875 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 876
 877 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 878 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 879
 880 /* values for radiobutton gadgets */
 881 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 882 #define ED_RADIOBUTTON_ID_QUANTITY      1
 883
 884 #define ED_NUM_RADIOBUTTONS             2
 885
 886 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 887 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 888
 889 /* values for drawing area gadgets */
 890 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 891 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 892 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 893 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 894 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 895 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 896 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 897 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 898 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 899 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 900 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 901 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 902 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 903 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 904 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 905 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 906 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 907 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 908 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 909 #define ED_DRAWING_ID_START_ELEMENT             19
 910 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 911 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 912 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 913 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 914 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 915 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 916 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 917 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 918 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 919 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 920 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 921 #define ED_DRAWING_ID_GROUP_CONTENT             31
 922 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 923
 924 #define ED_NUM_DRAWING_AREAS                    33
 925
 926
 927 /*
 928   -----------------------------------------------------------------------------
 929   some internally used definitions
 930   -----------------------------------------------------------------------------
 931 */
 932
 933 /* values for CopyLevelToUndoBuffer() */
 934 #define UNDO_IMMEDIATE                  0
 935 #define UNDO_ACCUMULATE                 1
 936
 937 /* values for scrollbars */
 938 #define ED_SCROLL_NO                    0
 939 #define ED_SCROLL_LEFT                  1
 940 #define ED_SCROLL_RIGHT                 2
 941 #define ED_SCROLL_UP                    4
 942 #define ED_SCROLL_DOWN                  8
 943
 944 /* screens in the level editor */
 945 #define ED_MODE_DRAWING                 0
 946 #define ED_MODE_INFO                    1
 947 #define ED_MODE_PROPERTIES              2
 948
 949 /* sub-screens in the global settings section */
 950 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 951 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 952
 953 /* sub-screens in the element properties section */
 954 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 955 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 956 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 957 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 958 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 959
 960 /* how many steps can be cancelled */
 961 #define NUM_UNDO_STEPS                  (64 + 1)
 962
 963 /* values for elements with score for certain actions */
 964 #define MIN_SCORE                       0
 965 #define MAX_SCORE                       999
 966
 967 /* values for elements with count for collecting */
 968 #define MIN_COLLECT_COUNT               0
 969 #define MAX_COLLECT_COUNT               999
 970
 971 /* values for random placement */
 972 #define RANDOM_USE_PERCENTAGE           0
 973 #define RANDOM_USE_QUANTITY             1
 974
 975 /* default value for element tile size in drawing area */
 976 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
 977
 978
 979 /*
 980   -----------------------------------------------------------------------------
 981   some internally used data structure definitions
 982   -----------------------------------------------------------------------------
 983 */
 984
 985 static struct
 986 {
 987   int graphic;
 988   int gadget_id;
 989   struct XY *pos;
 990   int gadget_type;
 991   char *infotext;
 992   char shortcut;
 993 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
 994 {
 995   /* note: some additional characters are already reserved for "cheat mode"
 996      shortcuts (":XYZ" style) -- for details, see "events.c" */
 997
 998   /* ---------- toolbox control buttons ------------------------------------ */
 999
1000   {
1001     IMG_EDITOR_BUTTON_GFX_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1002     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1003     "draw single items",                        's'
1004   },
1005   {
1006     IMG_EDITOR_BUTTON_GFX_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1007     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1008     "draw connected items",                     'd'
1009   },
1010   {
1011     IMG_EDITOR_BUTTON_GFX_DRAW_LINE,            GADGET_ID_LINE,
1012     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1013     "draw lines",                               'l'
1014   },
1015   {
1016     IMG_EDITOR_BUTTON_GFX_DRAW_ARC,             GADGET_ID_ARC,
1017     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1018     "draw arcs",                                'a'
1019   },
1020   {
1021     IMG_EDITOR_BUTTON_GFX_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1022     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1023     "draw outline rectangles",                  'r'
1024   },
1025   {
1026     IMG_EDITOR_BUTTON_GFX_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1027     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1028     "draw filled rectangles",                   'R'
1029   },
1030   {
1031     IMG_EDITOR_BUTTON_GFX_ROTATE_UP,            GADGET_ID_WRAP_UP,
1032     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1033     "wrap (rotate) level up",                   0
1034   },
1035   {
1036     IMG_EDITOR_BUTTON_GFX_DRAW_TEXT,            GADGET_ID_TEXT,
1037     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1038     "enter text elements",                      't'
1039   },
1040   {
1041     IMG_EDITOR_BUTTON_GFX_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1042     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1043     "flood fill",                               'f'
1044   },
1045   {
1046     IMG_EDITOR_BUTTON_GFX_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1047     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1048     "wrap (rotate) level left",                 0
1049   },
1050   {
1051     IMG_EDITOR_BUTTON_GFX_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1052     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1053     "zoom level tile size",                     '-'
1054   },
1055   {
1056     IMG_EDITOR_BUTTON_GFX_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1057     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1058     "wrap (rotate) level right",                0
1059   },
1060   {
1061     IMG_EDITOR_BUTTON_GFX_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1062     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1063     "random element placement",                 0
1064   },
1065   {
1066     IMG_EDITOR_BUTTON_GFX_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1067     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1068     "grab brush",                               'b'
1069   },
1070   {
1071     IMG_EDITOR_BUTTON_GFX_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1072     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1073     "wrap (rotate) level down",                 0
1074   },
1075   {
1076     IMG_EDITOR_BUTTON_GFX_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1077     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1078     "pick drawing element",                     ','
1079   },
1080
1081   /* ---------- level control buttons -------------------------------------- */
1082
1083   {
1084     IMG_EDITOR_BUTTON_GFX_UNDO,                 GADGET_ID_UNDO,
1085     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1086     "undo/redo last operation",                 'u'
1087   },
1088   {
1089     IMG_EDITOR_BUTTON_GFX_CONF,                 GADGET_ID_INFO,
1090     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1091     "properties of level",                      'I'
1092   },
1093   {
1094     IMG_EDITOR_BUTTON_GFX_SAVE,                 GADGET_ID_SAVE,
1095     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1096     "save level",                               'S'
1097   },
1098   {
1099     IMG_EDITOR_BUTTON_GFX_CLEAR,                GADGET_ID_CLEAR,
1100     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1101     "clear level",                              'C'
1102   },
1103   {
1104     IMG_EDITOR_BUTTON_GFX_TEST,                 GADGET_ID_TEST,
1105     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1106     "test level",                               'T'
1107   },
1108   {
1109     IMG_EDITOR_BUTTON_GFX_EXIT,                 GADGET_ID_EXIT,
1110     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1111     "exit level editor",                        'E'
1112   },
1113
1114   /* ---------- CE and GE control buttons ---------------------------------- */
1115
1116   {
1117     IMG_EDITOR_BUTTON_GFX_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1118     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1119     "copy settings from other element",         0
1120   },
1121   {
1122     IMG_EDITOR_BUTTON_GFX_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1123     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1124     "copy settings to other element",           0
1125   },
1126   {
1127     IMG_EDITOR_BUTTON_GFX_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1128     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1129     "exchange element with other element",      0
1130   },
1131   {
1132     IMG_EDITOR_BUTTON_GFX_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1133     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1134     "copy settings from this element",          0
1135   },
1136   {
1137     IMG_EDITOR_BUTTON_GFX_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1138     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1139     "paste settings to this element",           0
1140   },
1141
1142   /* ---------- palette control buttons ------------------------------------ */
1143
1144   {
1145     IMG_EDITOR_BUTTON_GFX_PROPERTIES,           GADGET_ID_PROPERTIES,
1146     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1147     "properties of drawing element",            'p'
1148   }
1149 };
1150
1151 static int random_placement_value = 10;
1152 static int random_placement_method = RANDOM_USE_QUANTITY;
1153 static int random_placement_background_element = EL_SAND;
1154 static boolean random_placement_background_restricted = FALSE;
1155 static boolean stick_element_properties_window = FALSE;
1156 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1157 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1158 static struct ElementChangeInfo custom_element_change;
1159 static struct ElementGroupInfo group_element_info;
1160 static struct ElementInfo custom_element;
1161
1162 static struct
1163 {
1164   int x, y;
1165   int min_value, max_value;
1166   int gadget_id_down, gadget_id_up;
1167   int gadget_id_text;
1168   int gadget_id_align;
1169   int *value;
1170   char *text_above, *text_left, *text_right;
1171 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1172 {
1173   /* ---------- current level number --------------------------------------- */
1174
1175   {
1176     -1, -1,     /* these values are not constant, but can change at runtime */
1177     1,                                  100,
1178     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1179     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1180     &level_nr,
1181     NULL,                               NULL, NULL
1182   },
1183
1184   /* ---------- level and editor settings ---------------------------------- */
1185
1186   {
1187     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1188     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1189     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1190     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1191     &level.fieldx,
1192     "playfield size:",                  NULL, "width",
1193   },
1194   {
1195     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1196     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1197     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1198     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1199     &level.fieldy,
1200     NULL,                               " ", "height",
1201   },
1202   {
1203     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1204     0,                                  999,
1205     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1206     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1207     &level.gems_needed,
1208     NULL,                               "number of gems to collect:", NULL
1209   },
1210   {
1211     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1212     0,                                  9999,
1213     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1214     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1215     &level.time,
1216     "time or step limit to solve level:", NULL, NULL
1217   },
1218   {
1219     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1220     0,                                  999,
1221     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1222     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1223     &level.score[SC_TIME_BONUS],
1224     "score for each second/step left:", NULL, NULL
1225   },
1226   {
1227     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1228     0,                                  9999,
1229     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1230     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1231     &level.random_seed,
1232     NULL,                               "random seed:", "(0 => random)"
1233   },
1234   {
1235     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1236     1,                                  100,
1237     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1238     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1239     &random_placement_value,
1240     "random element placement:",        NULL, "in"
1241   },
1242
1243   /* ---------- element settings: configure (various elements) ------------- */
1244
1245   {
1246     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1247     MIN_SCORE,                          MAX_SCORE,
1248     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1249     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1250     NULL,                               /* will be set when used */
1251     NULL,                               NULL, NULL
1252   },
1253   {
1254     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1255     MIN_SCORE,                          MAX_SCORE,
1256     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1257     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1258     NULL,                               /* will be set when used */
1259     NULL,                               NULL, NULL
1260   },
1261   {
1262     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1263     MIN_SCORE,                          MAX_SCORE,
1264     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1265     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1266     NULL,                               /* will be set when used */
1267     NULL,                               NULL, NULL
1268   },
1269   {
1270     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1271     MIN_SCORE,                          MAX_SCORE,
1272     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1273     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1274     NULL,                               /* will be set when used */
1275     NULL,                               NULL, NULL
1276   },
1277   {
1278     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1279     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1280     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1281     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1282     &level.num_yamyam_contents,
1283     NULL,                               NULL, "number of content areas"
1284   },
1285   {
1286     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1287     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1288     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1289     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1290     &level.num_ball_contents,
1291     NULL,                               NULL, "number of content areas"
1292   },
1293   {
1294     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1295     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1296     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1297     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1298     &level.num_android_clone_elements,
1299     NULL,                               NULL, "number of clonable elements"
1300   },
1301   {
1302     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1303     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1304     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1305     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1306     NULL,                               /* will be set when used */
1307     NULL,                               NULL, "width",
1308   },
1309   {
1310     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1311     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1312     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1313     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1314     NULL,                               /* will be set when used */
1315     NULL,                               " ", "height",
1316   },
1317   {
1318     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1319     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1320     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1321     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1322     &level.initial_inventory_size[0],
1323     NULL,                               NULL, "number of inventory elements"
1324   },
1325
1326   /* ---------- element settings: configure 1 (custom elements) ------------ */
1327
1328   {
1329     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1330     MIN_SCORE,                          MAX_SCORE,
1331     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1332     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1333     &custom_element.collect_score_initial,
1334     NULL,                               "CE score", " "
1335   },
1336   {
1337     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1338     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1339     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1340     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1341     &custom_element.collect_count_initial,
1342     NULL,                               "CE count", NULL
1343   },
1344   {
1345     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1346     0,                                  9999,
1347     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1348     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1349     &custom_element.ce_value_fixed_initial,
1350     NULL,                               "CE value", NULL
1351   },
1352   {
1353     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1354     0,                                  9999,
1355     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1356     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1357     &custom_element.ce_value_random_initial,
1358     NULL,                               "+random", NULL
1359   },
1360   {
1361     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1362     0,                                  999,
1363     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1364     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1365     &custom_element.push_delay_fixed,
1366     NULL,                               "push delay", NULL
1367   },
1368   {
1369     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1370     0,                                  999,
1371     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1372     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1373     &custom_element.push_delay_random,
1374     NULL,                               "+random", NULL
1375   },
1376   {
1377     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1378     0,                                  999,
1379     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1380     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1381     &custom_element.drop_delay_fixed,
1382     NULL,                               "drop delay", NULL
1383   },
1384   {
1385     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1386     0,                                  999,
1387     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1388     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1389     &custom_element.drop_delay_random,
1390     NULL,                               "+random", NULL
1391   },
1392
1393   /* ---------- element settings: configure 2 (custom elements) ------------ */
1394
1395   {
1396     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1397     0,                                  999,
1398     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1399     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1400     &custom_element.move_delay_fixed,
1401     NULL,                               "move delay", NULL
1402   },
1403   {
1404     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1405     0,                                  999,
1406     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1407     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1408     &custom_element.move_delay_random,
1409     NULL,                               "+random", NULL
1410   },
1411   {
1412     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1413     0,                                  999,
1414     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1415     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1416     &custom_element.explosion_delay,
1417     NULL,                               "explosion delay", NULL
1418   },
1419   {
1420     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1421     0,                                  999,
1422     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1423     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1424     &custom_element.ignition_delay,
1425     NULL,                               "ignition delay", "(by fire)"
1426   },
1427
1428   /* ---------- element settings: configure (group elements) --------------- */
1429
1430   {
1431     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1432     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1433     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1434     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1435     &group_element_info.num_elements,
1436     NULL,                               NULL, "number of elements in group"
1437   },
1438
1439   /* ---------- element settings: advanced (custom elements) --------------- */
1440
1441   {
1442     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1443     0,                                  999,
1444     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1445     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1446     &custom_element_change.delay_fixed,
1447     NULL,                               "CE delay", NULL,
1448   },
1449   {
1450     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1451     0,                                  999,
1452     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1453     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1454     &custom_element_change.delay_random,
1455     NULL,                               "+random", NULL
1456   },
1457   {
1458     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1459     0,                                  100,
1460     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1461     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1462     &custom_element_change.random_percentage,
1463     NULL,                               "use random replace:", "%"
1464   },
1465 };
1466
1467 static struct
1468 {
1469   int x, y;
1470   int gadget_id;
1471   int size;
1472   char *value;
1473   char *text_above, *infotext;
1474 } textinput_info[ED_NUM_TEXTINPUT] =
1475 {
1476   {
1477     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1478     GADGET_ID_LEVEL_NAME,
1479     MAX_LEVEL_NAME_LEN,
1480     level.name,
1481     "Title:", "Title"
1482   },
1483   {
1484     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1485     GADGET_ID_LEVEL_AUTHOR,
1486     MAX_LEVEL_AUTHOR_LEN,
1487     level.author,
1488     "Author:", "Author"
1489   },
1490   {
1491     -1, -1,     /* these values are not constant, but can change at runtime */
1492     GADGET_ID_ELEMENT_NAME,
1493     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1494     custom_element.description,
1495     NULL, "Element name"
1496   }
1497 };
1498
1499 static struct
1500 {
1501   int x, y;
1502   int gadget_id;
1503   int xsize, ysize;
1504   char *value;
1505   char *text_above, *infotext;
1506 } textarea_info[ED_NUM_TEXTAREAS] =
1507 {
1508   {
1509     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1510     GADGET_ID_ENVELOPE_INFO,
1511     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1512     NULL,
1513     "Envelope Content:", "Envelope Content"
1514   }
1515 };
1516
1517 static struct ValueTextInfo options_time_or_steps[] =
1518 {
1519   { 0,                          "seconds"                       },
1520   { 1,                          "steps"                         },
1521
1522   { -1,                         NULL                            }
1523 };
1524
1525 static struct ValueTextInfo options_game_engine_type[] =
1526 {
1527   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1528   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1529   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1530
1531   { -1,                         NULL                            }
1532 };
1533
1534 static struct ValueTextInfo options_wind_direction[] =
1535 {
1536   { MV_START_NONE,              "none"                          },
1537   { MV_START_LEFT,              "left"                          },
1538   { MV_START_RIGHT,             "right"                         },
1539   { MV_START_UP,                "up"                            },
1540   { MV_START_DOWN,              "down"                          },
1541
1542   { -1,                         NULL                            }
1543 };
1544
1545 static struct ValueTextInfo options_player_speed[] =
1546 {
1547   { 0,                          "frozen"                        },
1548   { 1,                          "very slow"                     },
1549   { 2,                          "slow"                          },
1550   { 4,                          "normal"                        },
1551   { 8,                          "fast"                          },
1552   { 16,                         "very fast"                     },
1553   { 32,                         "ultrafast"                     },
1554
1555   { -1,                         NULL                            }
1556 };
1557
1558 static struct ValueTextInfo options_access_type[] =
1559 {
1560   { EP_WALKABLE,                "walkable"                      },
1561   { EP_PASSABLE,                "passable"                      },
1562
1563   { -1,                         NULL                            }
1564 };
1565
1566 static struct ValueTextInfo options_access_layer[] =
1567 {
1568   { EP_ACCESSIBLE_OVER,         "over"                          },
1569   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1570   { EP_ACCESSIBLE_UNDER,        "under"                         },
1571
1572   { -1,                         NULL                            }
1573 };
1574
1575 static struct ValueTextInfo options_access_protected[] =
1576 {
1577   { 0,                          "unprotected"                   },
1578   { 1,                          "protected"                     },
1579
1580   { -1,                         NULL                            }
1581 };
1582
1583 static struct ValueTextInfo options_access_direction[] =
1584 {
1585   { MV_NO_DIRECTION,            "no direction"                  },
1586   { MV_LEFT,                    "left"                          },
1587   { MV_RIGHT,                   "right"                         },
1588   { MV_UP,                      "up"                            },
1589   { MV_DOWN,                    "down"                          },
1590   { MV_LEFT  | MV_UP,           "left + up"                     },
1591   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1592   { MV_RIGHT | MV_UP,           "right + up"                    },
1593   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1594   { MV_HORIZONTAL,              "horizontal"                    },
1595   { MV_VERTICAL,                "vertical"                      },
1596   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1597   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1598   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1599   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1600   { MV_ALL_DIRECTIONS,          "all directions"                },
1601
1602   { -1,                         NULL                            }
1603 };
1604
1605 static struct ValueTextInfo options_walk_to_action[] =
1606 {
1607   { EP_DIGGABLE,                "diggable"                      },
1608   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1609   { EP_DROPPABLE,               "collectible & droppable"       },
1610   { EP_THROWABLE,               "collectible & throwable"       },
1611   { EP_PUSHABLE,                "pushable"                      },
1612
1613   { -1,                         NULL                            }
1614 };
1615
1616 static struct ValueTextInfo options_move_pattern[] =
1617 {
1618   { MV_LEFT,                    "left"                          },
1619   { MV_RIGHT,                   "right"                         },
1620   { MV_UP,                      "up"                            },
1621   { MV_DOWN,                    "down"                          },
1622   { MV_HORIZONTAL,              "horizontal"                    },
1623   { MV_VERTICAL,                "vertical"                      },
1624   { MV_ALL_DIRECTIONS,          "all directions"                },
1625   { MV_WIND_DIRECTION,          "wind direction"                },
1626   { MV_TOWARDS_PLAYER,          "towards player"                },
1627   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1628   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1629   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1630   { MV_TURNING_LEFT,            "turning left"                  },
1631   { MV_TURNING_RIGHT,           "turning right"                 },
1632   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1633   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1634   { MV_TURNING_RANDOM,          "turning random"                },
1635   { MV_MAZE_RUNNER,             "maze runner style"             },
1636   { MV_MAZE_HUNTER,             "maze hunter style"             },
1637   { MV_WHEN_PUSHED,             "when pushed"                   },
1638   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1639
1640   { -1,                         NULL                            }
1641 };
1642
1643 static struct ValueTextInfo options_move_direction[] =
1644 {
1645   { MV_START_AUTOMATIC,         "automatic"                     },
1646   { MV_START_LEFT,              "left"                          },
1647   { MV_START_RIGHT,             "right"                         },
1648   { MV_START_UP,                "up"                            },
1649   { MV_START_DOWN,              "down"                          },
1650   { MV_START_RANDOM,            "random"                        },
1651   { MV_START_PREVIOUS,          "previous"                      },
1652
1653   { -1,                         NULL                            }
1654 };
1655
1656 static struct ValueTextInfo options_move_stepsize[] =
1657 {
1658   { 0,                          "not moving"                    },
1659   { 1,                          "very slow"                     },
1660   { 2,                          "slow"                          },
1661   { 4,                          "normal"                        },
1662   { 8,                          "fast"                          },
1663   { 16,                         "very fast"                     },
1664   { 32,                         "even faster"                   },
1665
1666   { -1,                         NULL                            }
1667 };
1668
1669 static struct ValueTextInfo options_move_leave_type[] =
1670 {
1671   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1672   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1673
1674   { -1,                         NULL                            }
1675 };
1676
1677 static struct ValueTextInfo options_smash_targets[] =
1678 {
1679   { EP_CAN_SMASH_PLAYER,        "player"                        },
1680 #if 0
1681   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1682 #endif
1683   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1684
1685   { -1,                         NULL                            }
1686 };
1687
1688 static struct ValueTextInfo options_slippery_type[] =
1689 {
1690   { SLIPPERY_ANY_RANDOM,        "random"                        },
1691   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1692   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1693   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1694   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1695
1696   { -1,                         NULL                            }
1697 };
1698
1699 static struct ValueTextInfo options_deadliness[] =
1700 {
1701   { EP_DONT_RUN_INTO,           "running into"                  },
1702   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1703   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1704   { EP_DONT_TOUCH,              "touching"                      },
1705
1706   { -1,                         NULL                            }
1707 };
1708
1709 static struct ValueTextInfo options_explosion_type[] =
1710 {
1711   { EXPLODES_3X3,               "3x3"                           },
1712   { EXPLODES_CROSS,             "3+3"                           },
1713   { EXPLODES_1X1,               "1x1"                           },
1714
1715   { -1,                         NULL                            }
1716 };
1717
1718 static struct ValueTextInfo options_time_units[] =
1719 {
1720   { 1,                          "frames"                        },
1721   { FRAMES_PER_SECOND,          "seconds"                       },
1722
1723   { -1,                         NULL                            }
1724 };
1725
1726 static struct ValueTextInfo options_change_direct_action[] =
1727 {
1728   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1729   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1730   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1731   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1732   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1733   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1734   { CE_LEFT_BY_PLAYER,          "left by player"                },
1735   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1736   { CE_SWITCHED,                "switched"                      },
1737   { CE_HITTING_SOMETHING,       "hitting something"             },
1738   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1739 #if 0
1740   { CE_BLOCKED,                 "blocked"                       },
1741 #endif
1742   { CE_IMPACT,                  "impact (on something)"         },
1743   { CE_SMASHED,                 "smashed (from above)"          },
1744 #if 0
1745   { CE_VALUE_CHANGES,           "CE value changes"              },
1746   { CE_SCORE_CHANGES,           "CE score changes"              },
1747 #endif
1748   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1749   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1750
1751   { -1,                         NULL                            }
1752 };
1753
1754 static struct ValueTextInfo options_change_other_action[] =
1755 {
1756   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1757   { CE_PLAYER_PRESSES_X,        "player presses"                },
1758   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1759   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1760   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1761   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1762   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1763   { CE_PLAYER_DIGS_X,           "player digs"                   },
1764   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1765   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1766   { CE_TOUCHING_X,              "touching"                      },
1767   { CE_HITTING_X,               "hitting"                       },
1768   { CE_DIGGING_X,               "digging"                       },
1769   { CE_HIT_BY_X,                "hit by"                        },
1770   { CE_SWITCH_OF_X,             "switch of"                     },
1771   { CE_CHANGE_OF_X,             "change by page of"             },
1772   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1773   { CE_MOVE_OF_X,               "move of"                       },
1774   { CE_CREATION_OF_X,           "creation of"                   },
1775   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1776   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1777   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1778   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1779
1780   { -1,                         NULL                            }
1781 };
1782
1783 static struct ValueTextInfo options_change_trigger_side[] =
1784 {
1785   { CH_SIDE_LEFT,               "left"                          },
1786   { CH_SIDE_RIGHT,              "right"                         },
1787   { CH_SIDE_TOP,                "top"                           },
1788   { CH_SIDE_BOTTOM,             "bottom"                        },
1789   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1790   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1791   { CH_SIDE_ANY,                "any"                           },
1792
1793   { -1,                         NULL                            }
1794 };
1795
1796 static struct ValueTextInfo options_change_trigger_player[] =
1797 {
1798   { CH_PLAYER_1,                "1"                             },
1799   { CH_PLAYER_2,                "2"                             },
1800   { CH_PLAYER_3,                "3"                             },
1801   { CH_PLAYER_4,                "4"                             },
1802   { CH_PLAYER_ANY,              "any"                           },
1803
1804   { -1,                         NULL                            }
1805 };
1806
1807 static struct ValueTextInfo options_change_trigger_page[] =
1808 {
1809   { (1 << 0),                   "1"                             },
1810   { (1 << 1),                   "2"                             },
1811   { (1 << 2),                   "3"                             },
1812   { (1 << 3),                   "4"                             },
1813   { (1 << 4),                   "5"                             },
1814   { (1 << 5),                   "6"                             },
1815   { (1 << 6),                   "7"                             },
1816   { (1 << 7),                   "8"                             },
1817   { (1 << 8),                   "9"                             },
1818   { (1 << 9),                   "10"                            },
1819   { (1 << 10),                  "11"                            },
1820   { (1 << 11),                  "12"                            },
1821   { (1 << 12),                  "13"                            },
1822   { (1 << 13),                  "14"                            },
1823   { (1 << 14),                  "15"                            },
1824   { (1 << 15),                  "16"                            },
1825   { (1 << 16),                  "17"                            },
1826   { (1 << 17),                  "18"                            },
1827   { (1 << 18),                  "19"                            },
1828   { (1 << 19),                  "20"                            },
1829   { (1 << 20),                  "21"                            },
1830   { (1 << 21),                  "22"                            },
1831   { (1 << 22),                  "23"                            },
1832   { (1 << 23),                  "24"                            },
1833   { (1 << 24),                  "25"                            },
1834   { (1 << 25),                  "26"                            },
1835   { (1 << 26),                  "27"                            },
1836   { (1 << 27),                  "28"                            },
1837   { (1 << 28),                  "29"                            },
1838   { (1 << 29),                  "30"                            },
1839   { (1 << 30),                  "31"                            },
1840   { (1 << 31),                  "32"                            },
1841   { CH_PAGE_ANY,                "any"                           },
1842
1843   { -1,                         NULL                            }
1844 };
1845
1846 static struct ValueTextInfo options_change_replace_when[] =
1847 {
1848   { CP_WHEN_EMPTY,              "empty"                         },
1849   { CP_WHEN_WALKABLE,           "walkable"                      },
1850   { CP_WHEN_DIGGABLE,           "diggable"                      },
1851   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1852   { CP_WHEN_REMOVABLE,          "removable"                     },
1853   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1854
1855   { -1,                         NULL                            }
1856 };
1857
1858 static struct ValueTextInfo options_action_type[] =
1859 {
1860   { CA_NO_ACTION,               "no action"                     },
1861   { CA_UNDEFINED,               " "                             },
1862   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1863   { CA_RESTART_LEVEL,           "restart level"                 },
1864   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1865   { CA_SET_LEVEL_TIME,          "set time"                      },
1866   { CA_SET_LEVEL_SCORE,         "set score"                     },
1867   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1868   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1869   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1870   { CA_UNDEFINED,               " "                             },
1871   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1872   { CA_MOVE_PLAYER,             "move player"                   },
1873   { CA_EXIT_PLAYER,             "exit player"                   },
1874   { CA_KILL_PLAYER,             "kill player"                   },
1875   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1876   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1877   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1878   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1879   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1880   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1881   { CA_UNDEFINED,               " "                             },
1882   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1883   { CA_SET_CE_VALUE,            "set CE value"                  },
1884   { CA_SET_CE_SCORE,            "set CE score"                  },
1885   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1886   { CA_UNDEFINED,               " "                             },
1887   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1888   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1889
1890   { -1,                         NULL                            }
1891 };
1892
1893 static struct ValueTextInfo options_action_mode_none[] =
1894 {
1895   { CA_MODE_UNDEFINED,          " "                             },
1896
1897   { -1,                         NULL                            }
1898 };
1899
1900 static struct ValueTextInfo options_action_mode_assign[] =
1901 {
1902   { CA_MODE_SET,                "="                             },
1903
1904   { -1,                         NULL                            }
1905 };
1906
1907 static struct ValueTextInfo options_action_mode_add_remove[] =
1908 {
1909   { CA_MODE_ADD,                "+"                             },
1910   { CA_MODE_SUBTRACT,           "-"                             },
1911
1912   { -1,                         NULL                            }
1913 };
1914
1915 static struct ValueTextInfo options_action_mode_calculate[] =
1916 {
1917   { CA_MODE_SET,                "="                             },
1918   { CA_MODE_ADD,                "+"                             },
1919   { CA_MODE_SUBTRACT,           "-"                             },
1920   { CA_MODE_MULTIPLY,           "*"                             },
1921   { CA_MODE_DIVIDE,             "/"                             },
1922   { CA_MODE_MODULO,             "%"                             },
1923
1924   { -1,                         NULL                            }
1925 };
1926
1927 static struct ValueTextInfo options_action_arg_none[] =
1928 {
1929   { CA_ARG_UNDEFINED,           "         "                     },
1930
1931   { -1,                         NULL                            }
1932 };
1933
1934 static struct ValueTextInfo options_action_arg_player[] =
1935 {
1936   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1937   { CA_ARG_PLAYER_1,            "1"                             },
1938   { CA_ARG_PLAYER_2,            "2"                             },
1939   { CA_ARG_PLAYER_3,            "3"                             },
1940   { CA_ARG_PLAYER_4,            "4"                             },
1941   { CA_ARG_PLAYER_ANY,          "any"                           },
1942   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1943   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1944
1945   { -1,                         NULL                            }
1946 };
1947
1948 static struct ValueTextInfo options_action_arg_number[] =
1949 {
1950   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1951   { CA_ARG_0,                   "0"                             },
1952   { CA_ARG_1,                   "1"                             },
1953   { CA_ARG_2,                   "2"                             },
1954   { CA_ARG_3,                   "3"                             },
1955   { CA_ARG_4,                   "4"                             },
1956   { CA_ARG_5,                   "5"                             },
1957   { CA_ARG_10,                  "10"                            },
1958   { CA_ARG_100,                 "100"                           },
1959   { CA_ARG_1000,                "1000"                          },
1960   { CA_ARG_UNDEFINED,           " "                             },
1961   { CA_ARG_NUMBER_MIN,          "min"                           },
1962   { CA_ARG_NUMBER_MAX,          "max"                           },
1963   { CA_ARG_UNDEFINED,           " "                             },
1964   { CA_ARG_NUMBER_RESET,        "reset"                         },
1965   { CA_ARG_UNDEFINED,           " "                             },
1966   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1967   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1968   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1969   { CA_ARG_UNDEFINED,           " "                             },
1970   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1971   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1972   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1973   { CA_ARG_UNDEFINED,           " "                             },
1974   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1975   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1976   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1977   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1978   { CA_ARG_UNDEFINED,           " "                             },
1979   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1980   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1981   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1982   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1983
1984   { -1,                         NULL                            }
1985 };
1986
1987 static struct ValueTextInfo options_action_arg_value[] =
1988 {
1989   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1990   { CA_ARG_0,                   "0"                             },
1991   { CA_ARG_1,                   "1"                             },
1992   { CA_ARG_2,                   "2"                             },
1993   { CA_ARG_3,                   "3"                             },
1994   { CA_ARG_4,                   "4"                             },
1995   { CA_ARG_5,                   "5"                             },
1996   { CA_ARG_10,                  "10"                            },
1997   { CA_ARG_100,                 "100"                           },
1998   { CA_ARG_1000,                "1000"                          },
1999   { CA_ARG_UNDEFINED,           " "                             },
2000   { CA_ARG_NUMBER_MIN,          "min"                           },
2001   { CA_ARG_NUMBER_MAX,          "max"                           },
2002   { CA_ARG_UNDEFINED,           " "                             },
2003   { CA_ARG_NUMBER_RESET,        "reset"                         },
2004   { CA_ARG_UNDEFINED,           " "                             },
2005   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2006   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2007   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2008   { CA_ARG_UNDEFINED,           " "                             },
2009   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2010   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2011   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2012   { CA_ARG_UNDEFINED,           " "                             },
2013   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2014   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2015   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2016   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2017   { CA_ARG_UNDEFINED,           " "                             },
2018   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2019   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2020   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2021   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2022   { CA_ARG_UNDEFINED,           " "                             },
2023   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2024   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2025   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2026   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2027
2028   { -1,                         NULL                            }
2029 };
2030
2031 static struct ValueTextInfo options_action_arg_envelope[] =
2032 {
2033   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2034   { CA_ARG_1,                   "1"                             },
2035   { CA_ARG_2,                   "2"                             },
2036   { CA_ARG_3,                   "3"                             },
2037   { CA_ARG_4,                   "4"                             },
2038   { CA_ARG_UNDEFINED,           " "                             },
2039   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2040   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2041   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2042   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2043
2044   { -1,                         NULL                            }
2045 };
2046
2047 static struct ValueTextInfo options_action_arg_key[] =
2048 {
2049   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2050   { CA_ARG_1,                   "1"                             },
2051   { CA_ARG_2,                   "2"                             },
2052   { CA_ARG_3,                   "3"                             },
2053   { CA_ARG_4,                   "4"                             },
2054   { CA_ARG_5,                   "5"                             },
2055   { CA_ARG_6,                   "6"                             },
2056   { CA_ARG_7,                   "7"                             },
2057   { CA_ARG_8,                   "8"                             },
2058   { CA_ARG_UNDEFINED,           " "                             },
2059   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2060   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2061   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2062   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2063
2064   { -1,                         NULL                            }
2065 };
2066
2067 static struct ValueTextInfo options_action_arg_speed[] =
2068 {
2069   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2070   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2071   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2072   { CA_ARG_SPEED_SLOW,          "slow"                          },
2073   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2074   { CA_ARG_SPEED_FAST,          "fast"                          },
2075   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2076   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2077   { CA_ARG_UNDEFINED,           " "                             },
2078   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2079   { CA_ARG_SPEED_FASTER,        "faster"                        },
2080   { CA_ARG_UNDEFINED,           " "                             },
2081   { CA_ARG_SPEED_RESET,         "reset"                         },
2082
2083   { -1,                         NULL                            }
2084 };
2085
2086 static struct ValueTextInfo options_action_arg_shield[] =
2087 {
2088   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2089   { CA_ARG_SHIELD_OFF,          "off"                           },
2090   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2091   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2092
2093   { -1,                         NULL                            }
2094 };
2095
2096 static struct ValueTextInfo options_action_arg_artwork[] =
2097 {
2098   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2099   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2100   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2101   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2102   { CA_ARG_UNDEFINED,           " "                             },
2103   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2104
2105   { -1,                         NULL                            }
2106 };
2107
2108 static struct ValueTextInfo options_action_arg_gravity[] =
2109 {
2110   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2111   { CA_ARG_GRAVITY_ON,          "on"                            },
2112   { CA_ARG_GRAVITY_OFF,         "off"                           },
2113   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2114
2115   { -1,                         NULL                            }
2116 };
2117
2118 static struct ValueTextInfo options_action_arg_direction[] =
2119 {
2120   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2121   { CA_ARG_DIRECTION_NONE,      "none"                          },
2122   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2123   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2124   { CA_ARG_DIRECTION_UP,        "up"                            },
2125   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2126   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2127   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2128
2129   { -1,                         NULL                            }
2130 };
2131
2132 static struct ValueTextInfo options_action_arg_scan_mode[] =
2133 {
2134   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2135   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2136   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2137
2138   { -1,                         NULL                            }
2139 };
2140
2141 static struct ValueTextInfo options_action_arg_inventory[] =
2142 {
2143   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2144   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2145   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2146   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2147   { CA_ARG_UNDEFINED,           " "                             },
2148   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2149   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2150   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2151   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2152   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2153   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2154   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2155   { CA_ARG_UNDEFINED,           " "                             },
2156   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2157
2158   { -1,                         NULL                            }
2159 };
2160
2161 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2162 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2163 {
2164   { -1,                         NULL                            }
2165 };
2166
2167 static struct ValueTextInfo options_group_choice_mode[] =
2168 {
2169   { ANIM_RANDOM,                "random"                        },
2170   { ANIM_LOOP,                  "loop"                          },
2171   { ANIM_LINEAR,                "linear"                        },
2172   { ANIM_PINGPONG,              "pingpong"                      },
2173   { ANIM_PINGPONG2,             "pingpong 2"                    },
2174
2175   { -1,                         NULL                            }
2176 };
2177
2178 static struct ValueTextInfo *action_arg_modes[] =
2179 {
2180   options_action_mode_none,
2181   options_action_mode_assign,
2182   options_action_mode_add_remove,
2183   options_action_mode_calculate,
2184 };
2185
2186 static struct
2187 {
2188   int value;
2189   int mode;
2190   struct ValueTextInfo *options;
2191 }
2192 action_arg_options[] =
2193 {
2194   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2195   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2196   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2197   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2198   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2199   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2200   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2201   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2202   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2203   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2204   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2205   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2206   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2207   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2208   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2209   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2210   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2211   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2212   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2213   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2214   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2215
2216   { -1,                         FALSE,  NULL                            }
2217 };
2218
2219 static struct
2220 {
2221   int x, y;
2222   int gadget_id;
2223   int gadget_id_align;
2224   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2225   struct ValueTextInfo *options;
2226   int *value;
2227   char *text_left, *text_right, *infotext;
2228 } selectbox_info[ED_NUM_SELECTBOX] =
2229 {
2230   /* ---------- level and editor settings ---------------------------------- */
2231
2232   {
2233     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2234     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2235     -1,
2236     options_time_or_steps,
2237     &level.use_step_counter,
2238     NULL, "(0 => no limit)",            "time or step limit"
2239   },
2240   {
2241     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2242     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2243     -1,
2244     options_game_engine_type,
2245     &level.game_engine_type,
2246     "game engine:", NULL,               "game engine"
2247   },
2248   {
2249     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2250     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2251     -1,
2252     options_wind_direction,
2253     &level.wind_direction_initial,
2254     "initial wind direction:", NULL,    "initial wind direction"
2255   },
2256
2257   /* ---------- element settings: configure (several elements) ------------- */
2258
2259   {
2260     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2261     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2262     -1,
2263     options_player_speed,
2264     &level.initial_player_stepsize[0],
2265     "initial player speed:", NULL,      "initial player speed"
2266   },
2267
2268   /* ---------- element settings: configure 1 (custom elements) ------------ */
2269
2270   {
2271     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2272     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2273     -1,
2274     options_access_type,
2275     &custom_element.access_type,
2276     NULL, NULL,                         "type of access to this field"
2277   },
2278   {
2279     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2280     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2281     -1,
2282     options_access_layer,
2283     &custom_element.access_layer,
2284     NULL, NULL,                         "layer of access for this field"
2285   },
2286   {
2287     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2288     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2289     -1,
2290     options_access_protected,
2291     &custom_element.access_protected,
2292     NULL, NULL,                         "protected access for this field"
2293   },
2294   {
2295     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2296     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2297     -1,
2298     options_access_direction,
2299     &custom_element.access_direction,
2300     "from", NULL,                       "access direction for this field"
2301   },
2302   {
2303     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2304     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2305     -1,
2306     options_walk_to_action,
2307     &custom_element.walk_to_action,
2308     NULL, NULL,                         "diggable/collectible/pushable"
2309   },
2310
2311   /* ---------- element settings: configure 2 (custom elements) ------------ */
2312
2313   {
2314     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2315     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2316     -1,
2317     options_move_pattern,
2318     &custom_element.move_pattern,
2319     "can move", NULL,                   "element move pattern"
2320   },
2321   {
2322     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2323     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2324     -1,
2325     options_move_direction,
2326     &custom_element.move_direction_initial,
2327     "starts moving", NULL,              "initial element move direction"
2328   },
2329   {
2330     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2331     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2332     -1,
2333     options_move_stepsize,
2334     &custom_element.move_stepsize,
2335     "move/fall speed", NULL,            "speed of element movement"
2336   },
2337   {
2338     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2339     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2340     -1,
2341     options_move_leave_type,
2342     &custom_element.move_leave_type,
2343     // left text with leading spaces to place gadget next to "can dig" gadget
2344     // (needed because drawing area gadgets created after selectbox gadgets)
2345     // "can dig:    can", ":",          "leave behind or change element"
2346     "            can", ":",             "leave behind or change element"
2347   },
2348   {
2349     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2350     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2351     -1,
2352     options_smash_targets,
2353     &custom_element.smash_targets,
2354     "can smash", NULL,                  "elements that can be smashed"
2355   },
2356   {
2357     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2358     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2359     -1,
2360     options_slippery_type,
2361     &custom_element.slippery_type,
2362     "slippery", NULL,                   "where other elements fall down"
2363   },
2364   {
2365     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2366     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2367     -1,
2368     options_deadliness,
2369     &custom_element.deadliness,
2370     "deadly when", NULL,                "deadliness of element"
2371   },
2372   {
2373     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2374     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2375     -1,
2376     options_explosion_type,
2377     &custom_element.explosion_type,
2378     "can explode", NULL,                "explosion type"
2379   },
2380
2381   /* ---------- element settings: advanced (custom elements) --------------- */
2382
2383   {
2384     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2385     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2386     -1,
2387     options_time_units,
2388     &custom_element_change.delay_frames,
2389     "delay time given in", NULL,        "delay time units for change"
2390   },
2391   {
2392     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2393     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2394     -1,
2395     options_change_direct_action,
2396     &custom_element_change.direct_action,
2397     NULL, NULL,                         "type of direct action"
2398   },
2399   {
2400     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2401     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2402     -1,
2403     options_change_other_action,
2404     &custom_element_change.other_action,
2405     NULL, "element:",                   "type of other element action"
2406   },
2407   {
2408     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2409     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2410     -1,
2411     options_change_trigger_side,
2412     &custom_element_change.trigger_side,
2413     "at", "side",                       "element side triggering change"
2414   },
2415   {
2416     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2417     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2418     -1,
2419     options_change_trigger_player,
2420     &custom_element_change.trigger_player,
2421     "player:", " ",                     "player that causes change"
2422   },
2423   {
2424     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2425     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2426     -1,
2427     options_change_trigger_page,
2428     &custom_element_change.trigger_page,
2429     "page:", NULL,                      "change page that causes change"
2430   },
2431   {
2432     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2433     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2434     -1,
2435     options_change_replace_when,
2436     &custom_element_change.replace_when,
2437     "replace when", NULL,               "which elements can be replaced"
2438   },
2439   {
2440     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2441     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2442     -1,
2443     options_action_type,
2444     &custom_element_change.action_type,
2445     NULL, NULL,                         "action on specified condition"
2446   },
2447   {
2448     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2449     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2450     -1,
2451     options_action_mode_none,
2452     &custom_element_change.action_mode,
2453     NULL, NULL,                         "action operator"
2454   },
2455   {
2456     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2457     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2458     -1,
2459     options_action_arg_none,
2460     &custom_element_change.action_arg,
2461     NULL, NULL,                         "action parameter"
2462   },
2463   {
2464     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2465     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2466     3,
2467     options_change_page,
2468     &custom_element.current_change_page,
2469     NULL, NULL,                         "element change page"
2470   },
2471
2472   /* ---------- element settings: configure (group elements) --------------- */
2473
2474   {
2475     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2476     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2477     -1,
2478     options_group_choice_mode,
2479     &group_element_info.choice_mode,
2480     "choice type:", NULL,               "type of group element choice"
2481   },
2482 };
2483
2484 static struct
2485 {
2486   int x, y;
2487   int gadget_id;
2488   int gadget_id_align;
2489   int size;
2490   char *text;
2491   char *text_left, *text_right, *infotext;
2492 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2493 {
2494   {
2495     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
2496     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2497     8,                                  "Level",
2498     NULL, NULL,                         "Configure level properties"
2499   },
2500   {
2501     -1,                                 -1,
2502     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2503     8,                                  "Editor",
2504     NULL, NULL,                         "Configure editor properties"
2505   },
2506   {
2507     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2508     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2509     8,                                  "Info",
2510     NULL, NULL,                         "Show information about element"
2511   },
2512   {
2513     -1,                                 -1,
2514     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2515     8,                                  "Config",
2516     NULL, NULL,                         "Configure element properties"
2517   },
2518   {
2519     -1,                                 -1,
2520     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2521     8,                                  "Config 1",
2522     NULL, NULL,                         "Configure element properties, part 1"
2523   },
2524   {
2525     -1,                                 -1,
2526     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2527     8,                                  "Config 2",
2528     NULL, NULL,                         "Configure element properties, part 2"
2529   },
2530   {
2531     -1,                                 -1,
2532     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2533     8,                                  "Change",
2534     NULL, NULL,                         "Configure custom element change pages"
2535   },
2536   {
2537     -1,                                 -1,
2538     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2539     -1,                                 "Save",
2540     " ", "As Template",                 "Save current settings as new template"
2541   },
2542   {
2543     -1,                                 -1,
2544     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2545     -1,                                 "New",
2546     NULL, NULL,                         "Add new change page"
2547   },
2548   {
2549     -1,                                 -1,
2550     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2551     -1,                                 "Delete",
2552     NULL, NULL,                         "Delete current change page"
2553   },
2554 };
2555
2556 static struct
2557 {
2558   int graphic;
2559   int x, y;
2560   int gadget_id;
2561   int gadget_id_align;
2562   char *text_left, *text_right, *infotext;
2563 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2564 {
2565   {
2566     IMG_EDITOR_COUNTER_DOWN,
2567     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2568     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2569     NULL, NULL,                         "select previous change page"
2570   },
2571   {
2572     IMG_EDITOR_COUNTER_UP,
2573     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2574     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2575     NULL, "change page",                "select next change page"
2576   },
2577   {
2578     IMG_EDITOR_BUTTON_GFX_CP_COPY,
2579     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2580     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2581     " ", NULL,                          "copy settings from this change page"
2582   },
2583   {
2584     IMG_EDITOR_BUTTON_GFX_CP_PASTE,
2585     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2586     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2587     NULL, NULL,                         "paste settings to this change page"
2588   },
2589 };
2590
2591 static struct
2592 {
2593   int x, y;
2594 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2595
2596 static struct
2597 {
2598   int graphic;
2599   int gadget_id;
2600   char *infotext;
2601 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2602 {
2603   {
2604     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2605     GADGET_ID_SCROLL_UP,
2606     "scroll level editing area up"
2607   },
2608   {
2609     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2610     GADGET_ID_SCROLL_DOWN,
2611     "scroll level editing area down"
2612   },
2613   {
2614     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2615     GADGET_ID_SCROLL_LEFT,
2616     "scroll level editing area left"
2617   },
2618   {
2619     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2620     GADGET_ID_SCROLL_RIGHT,
2621     "scroll level editing area right"
2622   },
2623   {
2624     IMG_EDITOR_PALETTE_SCROLL_UP,
2625     GADGET_ID_SCROLL_LIST_UP,
2626     "scroll element list up ('Page Up')"
2627   },
2628   {
2629     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2630     GADGET_ID_SCROLL_LIST_DOWN,
2631     "scroll element list down ('Page Down')"
2632   },
2633 };
2634
2635 static struct
2636 {
2637   int x, y;
2638   int width, height;
2639   int wheel_x, wheel_y;
2640   int wheel_width, wheel_height;
2641 } scrollbar_pos[ED_NUM_SCROLLBARS];
2642
2643 static struct
2644 {
2645   int graphic;
2646   int type;
2647   int gadget_id;
2648   char *infotext;
2649 } scrollbar_info[ED_NUM_SCROLLBARS] =
2650 {
2651   {
2652     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2653     GD_TYPE_SCROLLBAR_HORIZONTAL,
2654     GADGET_ID_SCROLL_HORIZONTAL,
2655     "scroll level editing area horizontally"
2656   },
2657   {
2658     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2659     GD_TYPE_SCROLLBAR_VERTICAL,
2660     GADGET_ID_SCROLL_VERTICAL,
2661     "scroll level editing area vertically"
2662   },
2663   {
2664     IMG_EDITOR_PALETTE_SCROLLBAR,
2665     GD_TYPE_SCROLLBAR_VERTICAL,
2666     GADGET_ID_SCROLL_LIST_VERTICAL,
2667     "scroll element list vertically"
2668   }
2669 };
2670
2671
2672 static struct
2673 {
2674   int x, y;
2675   int gadget_id;
2676   int gadget_id_align;
2677   int radio_button_nr;
2678   int *value;
2679   int checked_value;
2680   char *text_left, *text_right, *infotext;
2681 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2682 {
2683   {
2684     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2685     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2686     RADIO_NR_RANDOM_ELEMENTS,
2687     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2688     " ", "percentage",                  "use percentage for random elements"
2689   },
2690   {
2691     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2692     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2693     RADIO_NR_RANDOM_ELEMENTS,
2694     &random_placement_method,           RANDOM_USE_QUANTITY,
2695     " ", "quantity",                    "use quantity for random elements"
2696   }
2697 };
2698
2699 static struct
2700 {
2701   int x, y;
2702   int gadget_id;
2703   int gadget_id_align;
2704   boolean *value;
2705   char *text_left, *text_right, *infotext;
2706 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2707 {
2708   /* ---------- level and editor settings ---------------------------------- */
2709
2710   {
2711     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2712     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2713     &random_placement_background_restricted,
2714     NULL,
2715     "restrict random placement to:",    "set random placement restriction"
2716   },
2717
2718   /* ---------- element settings: configure (various elements) ------------- */
2719
2720   {
2721     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2722     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2723     &stick_element_properties_window,
2724     NULL,
2725     "stick this screen to edit content","stick this screen to edit content"
2726   },
2727   {
2728     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2729     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2730     &level.em_slippery_gems,
2731     NULL,
2732     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2733   },
2734   {
2735     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2736     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2737     &level.em_explodes_by_fire,
2738     NULL,
2739     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2740   },
2741   {
2742     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2743     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2744     &level.use_spring_bug,
2745     NULL,
2746     "use spring pushing bug",           "use odd spring pushing behaviour"
2747   },
2748   {
2749     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2750     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2751     &level.use_time_orb_bug,
2752     NULL,
2753     "use time orb bug",                 "use odd time orb behaviour"
2754   },
2755   {
2756     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2757     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2758     &level.ball_random,
2759     NULL,
2760     "create single random element",     "only create one element from content"
2761   },
2762   {
2763     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2764     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2765     &level.ball_state_initial,
2766     NULL,
2767     "magic ball initially activated",   "activate magic ball after level start"
2768   },
2769   {
2770     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2771     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2772     &level.grow_into_diggable,
2773     NULL,
2774     "can grow into anything diggable",  "grow into more than just sand"
2775   },
2776   {
2777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2778     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2779     &level.auto_exit_sokoban,
2780     NULL,
2781     "exit level if all fields solved",  "automatically finish Sokoban levels"
2782   },
2783   {
2784     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2785     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2786     &level.continuous_snapping,
2787     NULL,
2788     "continuous snapping",              "use snapping without releasing key"
2789   },
2790   {
2791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2792     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2793     &level.block_snap_field,
2794     NULL,
2795     "block snapped field when snapping", "use snapping delay to show animation"
2796   },
2797   {
2798     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2799     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2800     &level.block_last_field,
2801     NULL,
2802     "block last field when moving",     "player blocks last field when moving"
2803   },
2804   {
2805     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2806     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2807     &level.sp_block_last_field,
2808     NULL,
2809     "block last field when moving",     "player blocks last field when moving"
2810   },
2811   {
2812     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2813     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2814     &level.instant_relocation,
2815     NULL,
2816     "no scrolling when relocating",     "player gets relocated without delay"
2817   },
2818   {
2819     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2820     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2821     &level.shifted_relocation,
2822     NULL,
2823     "no centering when relocating",     "level not centered after relocation"
2824   },
2825   {
2826     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2827     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2828     &level.use_start_element[0],
2829     NULL,
2830     "use level start element:",        "start level at this element's position"
2831   },
2832   {
2833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2834     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2835     &level.use_artwork_element[0],
2836     NULL,
2837     "use artwork from element:",        "use player artwork from other element"
2838   },
2839   {
2840     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2841     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2842     &level.use_explosion_element[0],
2843     NULL,
2844     "use explosion from element:",      "use explosion properties from element"
2845   },
2846   {
2847     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2848     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2849     &level.initial_player_gravity[0],
2850     NULL,
2851     "use initial gravity",              "set initial player gravity"
2852   },
2853   {
2854     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2855     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2856     &level.use_initial_inventory[0],
2857     NULL,
2858     "use initial inventory:",           "use collected elements on level start"
2859   },
2860   {
2861     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2862     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2863     &level.can_pass_to_walkable,
2864     NULL,
2865     "can pass to walkable element",     "player can pass to empty or walkable"
2866   },
2867   {
2868     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2869     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2870     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2871     NULL,
2872     "can fall into acid (with gravity)","player can fall into acid pool"
2873   },
2874   {
2875     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2876     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2877     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2878     NULL,
2879     "can move into acid",               "element can move into acid pool"
2880   },
2881   {
2882     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2883     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2884     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2885     NULL,
2886     "deadly when colliding with",       "element is deadly when hitting player"
2887   },
2888   {
2889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2890     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2891     &level.envelope[0].autowrap,
2892     NULL,
2893     "auto-wrap",                        "automatically wrap envelope text"
2894   },
2895   {
2896     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2897     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2898     &level.envelope[0].centered,
2899     " ",
2900     "centered",                         "automatically center envelope text"
2901   },
2902
2903   /* ---------- element settings: configure 1 (custom elements) ----------- */
2904
2905   {
2906     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2907     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2908     &custom_element.use_gfx_element,
2909     NULL,
2910     "use graphic of element:",          "use existing element graphic"
2911   },
2912   {
2913     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2914     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2915     &level.use_custom_template,
2916     NULL,
2917     "use template",                     "use template for custom properties"
2918   },
2919   {
2920     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2921     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2922     &custom_element_properties[EP_ACCESSIBLE],
2923     NULL,
2924     NULL,                               "player can walk to or pass this field"
2925   },
2926   {
2927     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2928     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2929     &custom_element_properties[EP_GRAVITY_REACHABLE],
2930     NULL,
2931     "reachable despite gravity",        "player can walk/dig despite gravity"
2932   },
2933   {
2934     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2935     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2936     &custom_element.use_last_ce_value,
2937     NULL,
2938     "use last CE value after change",   "use last CE value after change"
2939   },
2940   {
2941     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2942     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2943     &custom_element_properties[EP_WALK_TO_OBJECT],
2944     NULL,
2945     NULL,                               "player can dig/collect/push element"
2946   },
2947   {
2948     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2949     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2950     &custom_element_properties[EP_INDESTRUCTIBLE],
2951     NULL,
2952     "indestructible",                   "element is indestructible"
2953   },
2954
2955   /* ---------- element settings: configure 2 (custom elements) ----------- */
2956
2957   {
2958     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2959     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2960     &custom_element_properties[EP_CAN_MOVE],
2961     NULL,
2962     NULL,                               "element can move with some pattern"
2963   },
2964   {
2965     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2966     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2967     &custom_element_properties[EP_CAN_FALL],
2968     NULL,
2969     "can fall",                         "element can fall down"
2970   },
2971   {
2972     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2973     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2974     &custom_element_properties[EP_CAN_SMASH],
2975     " ",
2976     NULL,                               "element can smash other elements"
2977   },
2978   {
2979     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2980     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2981     &custom_element_properties[EP_SLIPPERY],
2982     NULL,
2983     NULL,                               "other elements can fall down from it"
2984   },
2985   {
2986     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2987     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2988     &custom_element_properties[EP_DEADLY],
2989     NULL,
2990     NULL,                               "element can kill the player"
2991   },
2992   {
2993     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2994     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
2995     &custom_element_properties[EP_CAN_EXPLODE],
2996     NULL,
2997     NULL,                               "element can explode"
2998   },
2999   {
3000     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3001     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3002     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3003     NULL,
3004     "by fire",                          "element can explode by fire/explosion"
3005   },
3006   {
3007     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3008     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3009     &custom_element_properties[EP_EXPLODES_SMASHED],
3010     " ",
3011     "smashed",                          "element can explode when smashed"
3012   },
3013   {
3014     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3015     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3016     &custom_element_properties[EP_EXPLODES_IMPACT],
3017     " ",
3018     "impact",                           "element can explode on impact"
3019   },
3020
3021   /* ---------- element settings: advanced (custom elements) --------------- */
3022
3023   {
3024     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3025     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3026     &custom_element_change.can_change,
3027     NULL,
3028     "element changes to:",              "change element on specified condition"
3029   },
3030   {
3031     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3032     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3033     &custom_element_change_events[CE_DELAY],
3034     NULL,
3035     NULL,                               "element changes after delay"
3036   },
3037   {
3038     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3039     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3040     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3041     NULL,
3042     NULL,                               "element changes by direct action"
3043   },
3044   {
3045     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3046     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3047     &custom_element_change_events[CE_BY_OTHER_ACTION],
3048     NULL,
3049     NULL,                               "element changes by other element"
3050   },
3051   {
3052     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3053     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3054     &custom_element_change.explode,
3055     NULL,
3056     "explode instead of change",        "element explodes instead of change"
3057   },
3058   {
3059     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3060     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3061     &custom_element_change.use_target_content,
3062     NULL,
3063     "use extended change target:",      "element changes to more elements"
3064   },
3065   {
3066     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3067     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3068     &custom_element_change.only_if_complete,
3069     NULL,
3070     "replace all or nothing",           "only replace when all can be changed"
3071   },
3072   {
3073     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3074     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3075     &custom_element_change.use_random_replace,
3076     NULL,
3077     NULL,                               "use percentage for random replace"
3078   },
3079   {
3080     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3081     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3082     &custom_element_change.has_action,
3083     NULL,
3084     NULL,                               "execute action on specified condition"
3085   },
3086 };
3087
3088 static struct
3089 {
3090   int x, y;
3091   int xoffset, yoffset;
3092   int gadget_id;
3093   int gadget_id_align;
3094   int *value;
3095   int area_xsize, area_ysize;
3096   char *text_left, *text_right, *text_below, *infotext;
3097 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3098 {
3099   /* ---------- level playfield content ------------------------------------ */
3100
3101   {
3102     0,                                  0,
3103     0,                                  0,
3104     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3105     NULL,
3106     -1, -1,     /* these values are not constant, but can change at runtime */
3107     NULL, NULL, NULL,                   NULL
3108   },
3109
3110   /* ---------- yam yam content -------------------------------------------- */
3111
3112   {
3113     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3114     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3115     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3116     &level.yamyam_content[0].e[0][0],   3, 3,
3117     NULL, NULL, "1",                    NULL
3118   },
3119   {
3120     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3121     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3122     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3123     &level.yamyam_content[1].e[0][0],   3, 3,
3124     NULL, NULL, "2",                    NULL
3125   },
3126   {
3127     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3128     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3129     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3130     &level.yamyam_content[2].e[0][0],   3, 3,
3131     NULL, NULL, "3",                    NULL
3132   },
3133   {
3134     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3135     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3136     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3137     &level.yamyam_content[3].e[0][0],   3, 3,
3138     NULL, NULL, "4",                    NULL
3139   },
3140   {
3141     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3142     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3143     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3144     &level.yamyam_content[4].e[0][0],   3, 3,
3145     NULL, NULL, "5",                    NULL
3146   },
3147   {
3148     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3149     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3150     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3151     &level.yamyam_content[5].e[0][0],   3, 3,
3152     NULL, NULL, "6",                    NULL
3153   },
3154   {
3155     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3156     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3157     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3158     &level.yamyam_content[6].e[0][0],   3, 3,
3159     NULL, NULL, "7",                    NULL
3160   },
3161   {
3162     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3163     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3164     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3165     &level.yamyam_content[7].e[0][0],   3, 3,
3166     NULL, NULL, "8",                    NULL
3167   },
3168
3169   /* ---------- magic ball content ----------------------------------------- */
3170
3171   {
3172     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3173     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3174     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3175     &level.ball_content[0].e[0][0],     3, 3,
3176     NULL, NULL, "1",                    NULL
3177   },
3178   {
3179     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3180     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3181     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3182     &level.ball_content[1].e[0][0],     3, 3,
3183     NULL, NULL, "2",                    NULL
3184   },
3185   {
3186     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3187     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3188     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3189     &level.ball_content[2].e[0][0],     3, 3,
3190     NULL, NULL, "3",                    NULL
3191   },
3192   {
3193     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3194     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3195     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3196     &level.ball_content[3].e[0][0],     3, 3,
3197     NULL, NULL, "4",                    NULL
3198   },
3199   {
3200     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3201     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3202     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3203     &level.ball_content[4].e[0][0],     3, 3,
3204     NULL, NULL, "5",                    NULL
3205   },
3206   {
3207     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3208     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3209     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3210     &level.ball_content[5].e[0][0],     3, 3,
3211     NULL, NULL, "6",                    NULL
3212   },
3213   {
3214     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3215     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3216     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3217     &level.ball_content[6].e[0][0],     3, 3,
3218     NULL, NULL, "7",                    NULL
3219   },
3220   {
3221     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3222     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3223     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3224     &level.ball_content[7].e[0][0],     3, 3,
3225     NULL, NULL, "8",                    NULL
3226   },
3227
3228   /* ---------- android content -------------------------------------------- */
3229
3230   {
3231     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3232     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3233     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3234     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3235     "elements:", NULL, NULL,            "elements android can clone"
3236   },
3237
3238   /* ---------- amoeba content --------------------------------------------- */
3239
3240   {
3241     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3242     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3243     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3244     &level.amoeba_content,              1, 1,
3245     "content:", NULL, NULL,             "amoeba content"
3246   },
3247
3248   /* ---------- level start element ---------------------------------------- */
3249
3250   {
3251     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3252     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3253     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3254     &level.start_element[0],            1, 1,
3255     NULL, NULL, NULL,                   "level start element"
3256   },
3257
3258   /* ---------- player artwork element ------------------------------------- */
3259
3260   {
3261     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3262     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3263     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3264     &level.artwork_element[0],          1, 1,
3265     NULL, NULL, NULL,                   "element for player artwork"
3266   },
3267
3268   /* ---------- player explosion element ----------------------------------- */
3269
3270   {
3271     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3272     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3273     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3274     &level.explosion_element[0],        1, 1,
3275     NULL, NULL, NULL,                   "element for player explosion"
3276   },
3277
3278   /* ---------- player initial inventory ----------------------------------- */
3279
3280   {
3281     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3282     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3283     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3284     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3285     NULL, NULL, NULL,                   "content for initial inventory"
3286   },
3287
3288   /* ---------- element settings: configure 1 (custom elements) ----------- */
3289
3290   /* ---------- custom graphic --------------------------------------------- */
3291
3292   {
3293     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3294     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3295     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3296     &custom_element.gfx_element_initial,1, 1,
3297     NULL, NULL, NULL,                   "custom graphic element"
3298   },
3299
3300   /* ---------- element settings: configure 2 (custom elements) ----------- */
3301
3302   /* ---------- custom content (when exploding) ---------------------------- */
3303
3304   {
3305     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3306     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3307     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3308     &custom_element.content.e[0][0],    3, 3,
3309     "content:", NULL, NULL,             NULL
3310   },
3311
3312   /* ---------- custom enter and leave element (when moving) --------------- */
3313
3314   {
3315     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3316     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3317     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3318     &custom_element.move_enter_element, 1, 1,
3319     "can dig:", " ", NULL,              "element that can be digged/collected"
3320   },
3321   {
3322     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3323     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3324     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3325     &custom_element.move_leave_element, 1, 1,
3326     NULL, NULL, NULL,                   "element that will be left behind"
3327   },
3328
3329   /* ---------- element settings: advanced (custom elements) --------------- */
3330
3331   /* ---------- custom change target --------------------------------------- */
3332
3333   {
3334     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3335     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3336     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3337     &custom_element_change.target_element, 1, 1,
3338     NULL, "after/when:", NULL,          "new target element after change"
3339   },
3340
3341   /* ---------- custom change content (extended change target) ------------- */
3342
3343   {
3344     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3345     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3346     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3347     &custom_element_change.target_content.e[0][0], 3, 3,
3348     NULL, NULL, NULL,                   "new extended elements after change"
3349   },
3350
3351   /* ---------- custom change trigger (element causing change) ------------- */
3352
3353   {
3354     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3355     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3356     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3357     &custom_element_change.initial_trigger_element, 1, 1,
3358     NULL, NULL, NULL,                   "other element triggering change"
3359   },
3360
3361   /* ---------- custom change action (element used for action) ------------- */
3362
3363   {
3364     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3365     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3366     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3367     &custom_element_change.action_element, 1, 1,
3368     NULL, NULL, NULL,                   "element used as action parameter"
3369   },
3370
3371   /* ---------- group element content -------------------------------------- */
3372
3373   {
3374     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3375     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3376     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3377     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3378     "content:", NULL, NULL,             NULL
3379   },
3380
3381   /* ---------- random background (for random painting) -------------------- */
3382
3383   {
3384     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3385     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3386     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3387     &random_placement_background_element, 1, 1,
3388     NULL, NULL, NULL,                   "random placement background"
3389   },
3390 };
3391
3392
3393 /*
3394   -----------------------------------------------------------------------------
3395   some internally used variables
3396   -----------------------------------------------------------------------------
3397 */
3398
3399 /* maximal size of level editor drawing area */
3400 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3401
3402 /* actual size of level editor drawing area */
3403 static int ed_fieldx, ed_fieldy;
3404
3405 /* actual position of level editor drawing area in level playfield */
3406 static int level_xpos = -1, level_ypos = -1;
3407
3408 /* actual tile size used to display playfield drawing area */
3409 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3410
3411 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3412
3413 /* drawing elements on the three mouse buttons */
3414 static int new_element1 = EL_WALL;
3415 static int new_element2 = EL_EMPTY;
3416 static int new_element3 = EL_SAND;
3417
3418 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3419 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3420                                 (button) == 2 ? new_element2 : \
3421                                 (button) == 3 ? new_element3 : EL_EMPTY)
3422 #define BUTTON_STEPSIZE(button) ((button) == 1 ?  1 : \
3423                                  (button) == 2 ?  5 : \
3424                                  (button) == 3 ? 10 : \
3425                                  (button))
3426
3427 /* forward declaration for internal use */
3428 static void ModifyEditorCounterValue(int, int);
3429 static void ModifyEditorCounterLimits(int, int, int);
3430 static void ModifyEditorSelectboxValue(int, int);
3431 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3432 static void ModifyEditorDrawingArea(int, int, int);
3433 static void ModifyEditorElementList();
3434 static void AdjustElementListScrollbar();
3435 static void RedrawDrawingElements();
3436 static void DrawDrawingWindow();
3437 static void DrawLevelInfoWindow();
3438 static void DrawPropertiesWindow();
3439 static void UpdateCustomElementGraphicGadgets();
3440 static boolean checkPropertiesConfig(int);
3441 static void CopyLevelToUndoBuffer(int);
3442 static void HandleDrawingAreas(struct GadgetInfo *);
3443 static void HandleCounterButtons(struct GadgetInfo *);
3444 static void HandleTextInputGadgets(struct GadgetInfo *);
3445 static void HandleTextAreaGadgets(struct GadgetInfo *);
3446 static void HandleSelectboxGadgets(struct GadgetInfo *);
3447 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3448 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3449 static void HandleRadiobuttons(struct GadgetInfo *);
3450 static void HandleCheckbuttons(struct GadgetInfo *);
3451 static void HandleControlButtons(struct GadgetInfo *);
3452 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3453 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3454
3455 static int num_editor_gadgets = 0;      /* dynamically determined */
3456
3457 static struct GadgetInfo **level_editor_gadget = NULL;
3458 static int *right_gadget_border = NULL;
3459
3460 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3461 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3462 static boolean draw_with_brush = FALSE;
3463 static int properties_element = 0;
3464
3465 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3466 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3467 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3468 static int undo_buffer_position = 0;
3469 static int undo_buffer_steps = 0;
3470 static int redo_buffer_steps = 0;
3471
3472 static int edit_mode;
3473 static int edit_mode_levelinfo;
3474 static int edit_mode_properties;
3475
3476 static int element_shift = 0;
3477
3478 static int editor_el_players[] =
3479 {
3480   EL_PLAYER_1,
3481   EL_PLAYER_2,
3482   EL_PLAYER_3,
3483   EL_PLAYER_4
3484 };
3485 static int *editor_el_players_ptr = editor_el_players;
3486 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3487
3488 static int editor_hl_boulderdash[] =
3489 {
3490   EL_INTERNAL_CASCADE_BD_ACTIVE,
3491   EL_CHAR('B'),
3492   EL_CHAR('D'),
3493   EL_EMPTY,
3494 };
3495
3496 static int editor_el_boulderdash[] =
3497 {
3498   EL_EMPTY,
3499   EL_SAND,
3500   EL_BD_ROCK,
3501   EL_BD_DIAMOND,
3502
3503   EL_STEELWALL,
3504   EL_BD_WALL,
3505   EL_BD_EXPANDABLE_WALL,
3506   EL_BD_MAGIC_WALL,
3507
3508   EL_BD_AMOEBA,
3509   EL_BD_BUTTERFLY_UP,
3510   EL_BD_FIREFLY_UP,
3511   EL_EXIT_CLOSED,
3512
3513   EL_BD_BUTTERFLY_LEFT,
3514   EL_BD_FIREFLY_LEFT,
3515   EL_BD_BUTTERFLY_RIGHT,
3516   EL_BD_FIREFLY_RIGHT,
3517
3518   EL_EMPTY,
3519   EL_BD_BUTTERFLY_DOWN,
3520   EL_BD_FIREFLY_DOWN,
3521   EL_EXIT_OPEN,
3522 };
3523 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3524 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3525 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3526 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3527
3528 static int editor_hl_emerald_mine[] =
3529 {
3530   EL_INTERNAL_CASCADE_EM_ACTIVE,
3531   EL_CHAR('E'),
3532   EL_CHAR('M'),
3533   EL_EMPTY,
3534 };
3535
3536 static int editor_el_emerald_mine[] =
3537 {
3538   EL_SAND,
3539   EL_ROCK,
3540   EL_QUICKSAND_EMPTY,
3541   EL_QUICKSAND_FULL,
3542
3543   EL_STEELWALL,
3544   EL_WALL,
3545   EL_WALL_SLIPPERY,
3546   EL_MAGIC_WALL,
3547
3548   EL_EMERALD,
3549   EL_DIAMOND,
3550   EL_NUT,
3551   EL_BOMB,
3552
3553   EL_WALL_EMERALD,
3554   EL_WALL_DIAMOND,
3555   EL_DYNAMITE,
3556   EL_DYNAMITE_ACTIVE,
3557
3558   EL_YAMYAM,
3559   EL_BUG_UP,
3560   EL_SPACESHIP_UP,
3561   EL_ROBOT,
3562
3563   EL_BUG_LEFT,
3564   EL_SPACESHIP_LEFT,
3565   EL_BUG_RIGHT,
3566   EL_SPACESHIP_RIGHT,
3567
3568   EL_ROBOT_WHEEL,
3569   EL_BUG_DOWN,
3570   EL_SPACESHIP_DOWN,
3571   EL_INVISIBLE_WALL,
3572
3573   EL_ACID_POOL_TOPLEFT,
3574   EL_ACID,
3575   EL_ACID_POOL_TOPRIGHT,
3576   EL_AMOEBA_DROP,
3577
3578   EL_ACID_POOL_BOTTOMLEFT,
3579   EL_ACID_POOL_BOTTOM,
3580   EL_ACID_POOL_BOTTOMRIGHT,
3581   EL_AMOEBA_WET,
3582
3583   EL_EM_KEY_1,
3584   EL_EM_KEY_2,
3585   EL_EM_KEY_3,
3586   EL_EM_KEY_4,
3587
3588   EL_EM_GATE_1,
3589   EL_EM_GATE_2,
3590   EL_EM_GATE_3,
3591   EL_EM_GATE_4,
3592
3593   EL_EM_GATE_1_GRAY,
3594   EL_EM_GATE_2_GRAY,
3595   EL_EM_GATE_3_GRAY,
3596   EL_EM_GATE_4_GRAY,
3597
3598   EL_EM_EXIT_CLOSED,
3599   EL_EM_EXIT_OPEN,
3600   EL_EM_STEEL_EXIT_CLOSED,
3601   EL_EM_STEEL_EXIT_OPEN,
3602 };
3603 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3604 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3605 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3606 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3607
3608 static int editor_hl_emerald_mine_club[] =
3609 {
3610   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3611   EL_CHAR('E'),
3612   EL_CHAR('M'),
3613   EL_CHAR('C'),
3614 };
3615
3616 static int editor_el_emerald_mine_club[] =
3617 {
3618   EL_EMC_KEY_5,
3619   EL_EMC_KEY_6,
3620   EL_EMC_KEY_7,
3621   EL_EMC_KEY_8,
3622
3623   EL_EMC_GATE_5,
3624   EL_EMC_GATE_6,
3625   EL_EMC_GATE_7,
3626   EL_EMC_GATE_8,
3627
3628   EL_EMC_GATE_5_GRAY,
3629   EL_EMC_GATE_6_GRAY,
3630   EL_EMC_GATE_7_GRAY,
3631   EL_EMC_GATE_8_GRAY,
3632
3633   EL_EMC_STEELWALL_1,
3634   EL_EMC_STEELWALL_2,
3635   EL_EMC_STEELWALL_3,
3636   EL_EMC_STEELWALL_4,
3637
3638   EL_EMC_WALL_13,
3639   EL_EMC_WALL_14,
3640   EL_EMC_WALL_15,
3641   EL_EMC_WALL_16,
3642
3643   EL_EMC_WALL_SLIPPERY_1,
3644   EL_EMC_WALL_SLIPPERY_2,
3645   EL_EMC_WALL_SLIPPERY_3,
3646   EL_EMC_WALL_SLIPPERY_4,
3647
3648   EL_EMC_WALL_1,
3649   EL_EMC_WALL_2,
3650   EL_EMC_WALL_3,
3651   EL_EMC_WALL_4,
3652
3653   EL_EMC_WALL_5,
3654   EL_EMC_WALL_6,
3655   EL_EMC_WALL_7,
3656   EL_EMC_WALL_8,
3657
3658   EL_EMC_WALL_9,
3659   EL_EMC_WALL_10,
3660   EL_EMC_WALL_11,
3661   EL_EMC_WALL_12,
3662
3663   EL_EMC_GRASS,
3664   EL_EMC_FAKE_GRASS,
3665   EL_EMC_PLANT,
3666   EL_EMC_DRIPPER,
3667
3668   EL_EMC_MAGIC_BALL,
3669   EL_EMC_MAGIC_BALL_SWITCH,
3670   EL_SPRING,
3671   EL_EMC_SPRING_BUMPER,
3672
3673   EL_EMC_LENSES,
3674   EL_EMC_MAGNIFIER,
3675   EL_EM_DYNAMITE,
3676   EL_EM_DYNAMITE_ACTIVE,
3677
3678   EL_BALLOON,
3679   EL_YAMYAM_UP,
3680   EL_BALLOON_SWITCH_UP,
3681   EL_BALLOON_SWITCH_ANY,
3682
3683   EL_YAMYAM_LEFT,
3684   EL_BALLOON_SWITCH_LEFT,
3685   EL_YAMYAM_RIGHT,
3686   EL_BALLOON_SWITCH_RIGHT,
3687
3688   EL_EMC_ANDROID,
3689   EL_YAMYAM_DOWN,
3690   EL_BALLOON_SWITCH_DOWN,
3691   EL_BALLOON_SWITCH_NONE,
3692 };
3693 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3694 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3695 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3696 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3697
3698 static int editor_hl_rnd[] =
3699 {
3700   EL_INTERNAL_CASCADE_RND_ACTIVE,
3701   EL_CHAR('R'),
3702   EL_CHAR('N'),
3703   EL_CHAR('D'),
3704 };
3705
3706 static int editor_el_rnd[] =
3707 {
3708   EL_KEY_1,
3709   EL_KEY_2,
3710   EL_KEY_3,
3711   EL_KEY_4,
3712
3713   EL_GATE_1,
3714   EL_GATE_2,
3715   EL_GATE_3,
3716   EL_GATE_4,
3717
3718   EL_GATE_1_GRAY,
3719   EL_GATE_2_GRAY,
3720   EL_GATE_3_GRAY,
3721   EL_GATE_4_GRAY,
3722
3723   EL_ARROW_LEFT,
3724   EL_ARROW_RIGHT,
3725   EL_ARROW_UP,
3726   EL_ARROW_DOWN,
3727
3728   EL_AMOEBA_DEAD,
3729   EL_AMOEBA_DRY,
3730   EL_AMOEBA_FULL,
3731   EL_GAME_OF_LIFE,
3732
3733   EL_EMERALD_YELLOW,
3734   EL_EMERALD_RED,
3735   EL_EMERALD_PURPLE,
3736   EL_BIOMAZE,
3737
3738   EL_WALL_EMERALD_YELLOW,
3739   EL_WALL_EMERALD_RED,
3740   EL_WALL_EMERALD_PURPLE,
3741   EL_WALL_BD_DIAMOND,
3742
3743   EL_SPEED_PILL,
3744   EL_PACMAN_UP,
3745   EL_TIME_ORB_FULL,
3746   EL_TIME_ORB_EMPTY,
3747
3748   EL_PACMAN_LEFT,
3749   EL_DARK_YAMYAM,
3750   EL_PACMAN_RIGHT,
3751   EL_EMPTY,
3752
3753   EL_BLACK_ORB,
3754   EL_PACMAN_DOWN,
3755   EL_LAMP,
3756   EL_LAMP_ACTIVE,
3757
3758   EL_DYNABOMB_INCREASE_NUMBER,
3759   EL_DYNABOMB_INCREASE_SIZE,
3760   EL_DYNABOMB_INCREASE_POWER,
3761   EL_STONEBLOCK,
3762
3763   EL_MOLE,
3764   EL_PENGUIN,
3765   EL_PIG,
3766   EL_DRAGON,
3767
3768   EL_BUG,
3769   EL_MOLE_UP,
3770   EL_BD_BUTTERFLY,
3771   EL_BD_FIREFLY,
3772
3773   EL_MOLE_LEFT,
3774   EL_SATELLITE,
3775   EL_MOLE_RIGHT,
3776   EL_PACMAN,
3777
3778   EL_SPACESHIP,
3779   EL_MOLE_DOWN,
3780   EL_INVISIBLE_STEELWALL,
3781   EL_INVISIBLE_WALL,
3782
3783   EL_EXPANDABLE_WALL,
3784   EL_EXPANDABLE_WALL_HORIZONTAL,
3785   EL_EXPANDABLE_WALL_VERTICAL,
3786   EL_EXPANDABLE_WALL_ANY,
3787 };
3788 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3789 static int *editor_el_rnd_ptr = editor_el_rnd;
3790 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3791 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3792
3793 static int editor_hl_sokoban[] =
3794 {
3795   EL_INTERNAL_CASCADE_SB_ACTIVE,
3796   EL_CHAR('S'),
3797   EL_CHAR('B'),
3798   EL_EMPTY,
3799 };
3800
3801 static int editor_el_sokoban[] =
3802 {
3803   EL_SOKOBAN_OBJECT,
3804   EL_SOKOBAN_FIELD_EMPTY,
3805   EL_SOKOBAN_FIELD_FULL,
3806   EL_SOKOBAN_FIELD_PLAYER,
3807 };
3808 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3809 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3810 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3811 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3812
3813 static int editor_hl_supaplex[] =
3814 {
3815   EL_INTERNAL_CASCADE_SP_ACTIVE,
3816   EL_CHAR('S'),
3817   EL_CHAR('P'),
3818   EL_EMPTY,
3819 };
3820
3821 static int editor_el_supaplex[] =
3822 {
3823   EL_SP_MURPHY,
3824   EL_EMPTY,
3825   EL_SP_BASE,
3826   EL_SP_BUGGY_BASE,
3827
3828   EL_SP_INFOTRON,
3829   EL_SP_ZONK,
3830   EL_SP_SNIKSNAK,
3831   EL_SP_ELECTRON,
3832
3833   EL_SP_DISK_RED,
3834   EL_SP_DISK_ORANGE,
3835   EL_SP_DISK_YELLOW,
3836   EL_SP_TERMINAL,
3837
3838   EL_SP_EXIT_CLOSED,
3839   EL_SP_PORT_HORIZONTAL,
3840   EL_SP_PORT_VERTICAL,
3841   EL_SP_PORT_ANY,
3842
3843   EL_SP_PORT_LEFT,
3844   EL_SP_PORT_RIGHT,
3845   EL_SP_PORT_UP,
3846   EL_SP_PORT_DOWN,
3847
3848   EL_SP_GRAVITY_PORT_LEFT,
3849   EL_SP_GRAVITY_PORT_RIGHT,
3850   EL_SP_GRAVITY_PORT_UP,
3851   EL_SP_GRAVITY_PORT_DOWN,
3852
3853   EL_SP_GRAVITY_ON_PORT_LEFT,
3854   EL_SP_GRAVITY_ON_PORT_RIGHT,
3855   EL_SP_GRAVITY_ON_PORT_UP,
3856   EL_SP_GRAVITY_ON_PORT_DOWN,
3857
3858   EL_SP_GRAVITY_OFF_PORT_LEFT,
3859   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3860   EL_SP_GRAVITY_OFF_PORT_UP,
3861   EL_SP_GRAVITY_OFF_PORT_DOWN,
3862
3863   EL_SP_HARDWARE_GRAY,
3864   EL_SP_HARDWARE_GREEN,
3865   EL_SP_HARDWARE_BLUE,
3866   EL_SP_HARDWARE_RED,
3867
3868   EL_SP_HARDWARE_BASE_1,
3869   EL_SP_HARDWARE_BASE_2,
3870   EL_SP_HARDWARE_BASE_3,
3871   EL_SP_HARDWARE_BASE_4,
3872
3873   EL_SP_HARDWARE_BASE_5,
3874   EL_SP_HARDWARE_BASE_6,
3875   EL_SP_HARDWARE_YELLOW,
3876   EL_SP_CHIP_TOP,
3877
3878   EL_SP_CHIP_SINGLE,
3879   EL_SP_CHIP_LEFT,
3880   EL_SP_CHIP_RIGHT,
3881   EL_SP_CHIP_BOTTOM,
3882 };
3883 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3884 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3885 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3886 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3887
3888 static int editor_hl_diamond_caves[] =
3889 {
3890   EL_INTERNAL_CASCADE_DC_ACTIVE,
3891   EL_CHAR('D'),
3892   EL_CHAR('C'),
3893   EL_CHAR('2'),
3894 };
3895
3896 static int editor_el_diamond_caves[] =
3897 {
3898   EL_PEARL,
3899   EL_CRYSTAL,
3900   EL_WALL_PEARL,
3901   EL_WALL_CRYSTAL,
3902
3903   EL_CONVEYOR_BELT_1_LEFT,
3904   EL_CONVEYOR_BELT_1_MIDDLE,
3905   EL_CONVEYOR_BELT_1_RIGHT,
3906   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3907
3908   EL_CONVEYOR_BELT_2_LEFT,
3909   EL_CONVEYOR_BELT_2_MIDDLE,
3910   EL_CONVEYOR_BELT_2_RIGHT,
3911   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3912
3913   EL_CONVEYOR_BELT_3_LEFT,
3914   EL_CONVEYOR_BELT_3_MIDDLE,
3915   EL_CONVEYOR_BELT_3_RIGHT,
3916   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3917
3918   EL_CONVEYOR_BELT_4_LEFT,
3919   EL_CONVEYOR_BELT_4_MIDDLE,
3920   EL_CONVEYOR_BELT_4_RIGHT,
3921   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3922
3923   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3924   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3925   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3926   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3927
3928   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3929   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3930   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3931   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3932
3933   EL_TIMEGATE_CLOSED,
3934   EL_TIMEGATE_OPEN,
3935   EL_TIMEGATE_SWITCH,
3936   EL_DC_TIMEGATE_SWITCH,
3937
3938   EL_SWITCHGATE_CLOSED,
3939   EL_SWITCHGATE_OPEN,
3940   EL_SWITCHGATE_SWITCH_UP,
3941   EL_SWITCHGATE_SWITCH_DOWN,
3942
3943   EL_LIGHT_SWITCH,
3944   EL_LIGHT_SWITCH_ACTIVE,
3945   EL_DC_SWITCHGATE_SWITCH_UP,
3946   EL_DC_SWITCHGATE_SWITCH_DOWN,
3947
3948   EL_STEEL_EXIT_CLOSED,
3949   EL_STEEL_EXIT_OPEN,
3950   EL_STEELWALL_SLIPPERY,
3951   EL_INVISIBLE_SAND,
3952
3953   EL_QUICKSAND_FAST_EMPTY,
3954   EL_QUICKSAND_FAST_FULL,
3955   EL_LANDMINE,
3956   EL_DC_LANDMINE,
3957
3958   EL_SHIELD_NORMAL,
3959   EL_SHIELD_DEADLY,
3960   EL_EXTRA_TIME,
3961   EL_DC_MAGIC_WALL,
3962
3963   EL_ENVELOPE_1,
3964   EL_ENVELOPE_2,
3965   EL_ENVELOPE_3,
3966   EL_ENVELOPE_4,
3967
3968   EL_SIGN_RADIOACTIVITY,
3969   EL_SIGN_WHEELCHAIR,
3970   EL_SIGN_PARKING,
3971   EL_SIGN_NO_ENTRY,
3972
3973   EL_SIGN_GIVE_WAY,
3974   EL_SIGN_ENTRY_FORBIDDEN,
3975   EL_SIGN_EMERGENCY_EXIT,
3976   EL_SIGN_YIN_YANG,
3977
3978 #if 0
3979   EL_SIGN_SPERMS,
3980   EL_SIGN_BULLET,
3981   EL_SIGN_HEART,
3982   EL_SIGN_CROSS,
3983
3984   EL_SIGN_FRANKIE,
3985   EL_EMPTY,
3986   EL_EMPTY,
3987   EL_EMPTY,
3988
3989   EL_SPERMS,
3990   EL_BULLET,
3991   EL_HEART,
3992   EL_CROSS,
3993
3994   EL_FRANKIE,
3995   EL_EMPTY,
3996   EL_EMPTY,
3997   EL_EMPTY,
3998 #endif
3999
4000   EL_DC_STEELWALL_2_SINGLE,
4001   EL_DC_STEELWALL_2_TOP,
4002   EL_SIGN_EXCLAMATION,
4003   EL_SIGN_STOP,
4004
4005   EL_DC_STEELWALL_2_LEFT,
4006   EL_DC_STEELWALL_2_MIDDLE,
4007   EL_DC_STEELWALL_2_HORIZONTAL,
4008   EL_DC_STEELWALL_2_RIGHT,
4009
4010   EL_DC_STEELWALL_1_TOPLEFT,
4011   EL_DC_STEELWALL_2_VERTICAL,
4012   EL_DC_STEELWALL_1_TOPRIGHT,
4013   EL_DC_GATE_WHITE,
4014
4015   EL_DC_STEELWALL_1_VERTICAL,
4016   EL_DC_STEELWALL_2_BOTTOM,
4017   EL_DC_KEY_WHITE,
4018   EL_DC_GATE_WHITE_GRAY,
4019
4020   EL_DC_STEELWALL_1_BOTTOMLEFT,
4021   EL_DC_STEELWALL_1_HORIZONTAL,
4022   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4023   EL_DC_GATE_FAKE_GRAY,
4024
4025   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4026   EL_DC_STEELWALL_1_BOTTOM,
4027   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4028   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4029
4030   EL_DC_STEELWALL_1_RIGHT,
4031   EL_EMPTY,
4032   EL_DC_STEELWALL_1_LEFT,
4033   EL_EXPANDABLE_STEELWALL_VERTICAL,
4034
4035   EL_DC_STEELWALL_1_TOPRIGHT_2,
4036   EL_DC_STEELWALL_1_TOP,
4037   EL_DC_STEELWALL_1_TOPLEFT_2,
4038   EL_EXPANDABLE_STEELWALL_ANY,
4039 };
4040 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4041 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4042 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4043 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4044
4045 static int editor_hl_dx_boulderdash[] =
4046 {
4047   EL_INTERNAL_CASCADE_DX_ACTIVE,
4048   EL_CHAR('D'),
4049   EL_CHAR('X'),
4050   EL_EMPTY,
4051 };
4052
4053 static int editor_el_dx_boulderdash[] =
4054 {
4055   EL_EMPTY,
4056   EL_TUBE_RIGHT_DOWN,
4057   EL_TUBE_HORIZONTAL_DOWN,
4058   EL_TUBE_LEFT_DOWN,
4059
4060   EL_TUBE_HORIZONTAL,
4061   EL_TUBE_VERTICAL_RIGHT,
4062   EL_TUBE_ANY,
4063   EL_TUBE_VERTICAL_LEFT,
4064
4065   EL_TUBE_VERTICAL,
4066   EL_TUBE_RIGHT_UP,
4067   EL_TUBE_HORIZONTAL_UP,
4068   EL_TUBE_LEFT_UP,
4069
4070   EL_TRAP,
4071   EL_DX_SUPABOMB,
4072   EL_EMPTY,
4073   EL_EMPTY
4074 };
4075 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4076 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4077 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4078 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4079
4080 static int editor_hl_chars[] =
4081 {
4082   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4083   EL_CHAR('T'),
4084   EL_CHAR('X'),
4085   EL_CHAR('T'),
4086 };
4087
4088 static int editor_el_chars[] =
4089 {
4090   EL_CHAR(' '),
4091   EL_CHAR('!'),
4092   EL_CHAR('"'),
4093   EL_CHAR('#'),
4094
4095   EL_CHAR('$'),
4096   EL_CHAR('%'),
4097   EL_CHAR('&'),
4098   EL_CHAR('\''),
4099
4100   EL_CHAR('('),
4101   EL_CHAR(')'),
4102   EL_CHAR('*'),
4103   EL_CHAR('+'),
4104
4105   EL_CHAR(','),
4106   EL_CHAR('-'),
4107   EL_CHAR('.'),
4108   EL_CHAR('/'),
4109
4110   EL_CHAR('0'),
4111   EL_CHAR('1'),
4112   EL_CHAR('2'),
4113   EL_CHAR('3'),
4114
4115   EL_CHAR('4'),
4116   EL_CHAR('5'),
4117   EL_CHAR('6'),
4118   EL_CHAR('7'),
4119
4120   EL_CHAR('8'),
4121   EL_CHAR('9'),
4122   EL_CHAR(':'),
4123   EL_CHAR(';'),
4124
4125   EL_CHAR('<'),
4126   EL_CHAR('='),
4127   EL_CHAR('>'),
4128   EL_CHAR('?'),
4129
4130   EL_CHAR('@'),
4131   EL_CHAR('A'),
4132   EL_CHAR('B'),
4133   EL_CHAR('C'),
4134
4135   EL_CHAR('D'),
4136   EL_CHAR('E'),
4137   EL_CHAR('F'),
4138   EL_CHAR('G'),
4139
4140   EL_CHAR('H'),
4141   EL_CHAR('I'),
4142   EL_CHAR('J'),
4143   EL_CHAR('K'),
4144
4145   EL_CHAR('L'),
4146   EL_CHAR('M'),
4147   EL_CHAR('N'),
4148   EL_CHAR('O'),
4149
4150   EL_CHAR('P'),
4151   EL_CHAR('Q'),
4152   EL_CHAR('R'),
4153   EL_CHAR('S'),
4154
4155   EL_CHAR('T'),
4156   EL_CHAR('U'),
4157   EL_CHAR('V'),
4158   EL_CHAR('W'),
4159
4160   EL_CHAR('X'),
4161   EL_CHAR('Y'),
4162   EL_CHAR('Z'),
4163   EL_CHAR('['),
4164
4165   EL_CHAR('\\'),
4166   EL_CHAR(']'),
4167   EL_CHAR('^'),
4168   EL_CHAR('_'),
4169
4170   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4171   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4172   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4173   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4174
4175   EL_CHAR(CHAR_BYTE_DEGREE),
4176   EL_CHAR(CHAR_BYTE_REGISTERED),
4177   EL_CHAR(FONT_ASCII_CURSOR),
4178   EL_CHAR(FONT_ASCII_BUTTON),
4179
4180   EL_CHAR(FONT_ASCII_UP),
4181   EL_CHAR(FONT_ASCII_DOWN),
4182   EL_CHAR(' '),
4183   EL_CHAR(' ')
4184 };
4185 static int *editor_hl_chars_ptr = editor_hl_chars;
4186 static int *editor_el_chars_ptr = editor_el_chars;
4187 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4188 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4189
4190 static int editor_hl_steel_chars[] =
4191 {
4192   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4193   EL_STEEL_CHAR('T'),
4194   EL_STEEL_CHAR('X'),
4195   EL_STEEL_CHAR('T'),
4196 };
4197
4198 static int editor_el_steel_chars[] =
4199 {
4200   EL_STEEL_CHAR(' '),
4201   EL_STEEL_CHAR('!'),
4202   EL_STEEL_CHAR('"'),
4203   EL_STEEL_CHAR('#'),
4204
4205   EL_STEEL_CHAR('$'),
4206   EL_STEEL_CHAR('%'),
4207   EL_STEEL_CHAR('&'),
4208   EL_STEEL_CHAR('\''),
4209
4210   EL_STEEL_CHAR('('),
4211   EL_STEEL_CHAR(')'),
4212   EL_STEEL_CHAR('*'),
4213   EL_STEEL_CHAR('+'),
4214
4215   EL_STEEL_CHAR(','),
4216   EL_STEEL_CHAR('-'),
4217   EL_STEEL_CHAR('.'),
4218   EL_STEEL_CHAR('/'),
4219
4220   EL_STEEL_CHAR('0'),
4221   EL_STEEL_CHAR('1'),
4222   EL_STEEL_CHAR('2'),
4223   EL_STEEL_CHAR('3'),
4224
4225   EL_STEEL_CHAR('4'),
4226   EL_STEEL_CHAR('5'),
4227   EL_STEEL_CHAR('6'),
4228   EL_STEEL_CHAR('7'),
4229
4230   EL_STEEL_CHAR('8'),
4231   EL_STEEL_CHAR('9'),
4232   EL_STEEL_CHAR(':'),
4233   EL_STEEL_CHAR(';'),
4234
4235   EL_STEEL_CHAR('<'),
4236   EL_STEEL_CHAR('='),
4237   EL_STEEL_CHAR('>'),
4238   EL_STEEL_CHAR('?'),
4239
4240   EL_STEEL_CHAR('@'),
4241   EL_STEEL_CHAR('A'),
4242   EL_STEEL_CHAR('B'),
4243   EL_STEEL_CHAR('C'),
4244
4245   EL_STEEL_CHAR('D'),
4246   EL_STEEL_CHAR('E'),
4247   EL_STEEL_CHAR('F'),
4248   EL_STEEL_CHAR('G'),
4249
4250   EL_STEEL_CHAR('H'),
4251   EL_STEEL_CHAR('I'),
4252   EL_STEEL_CHAR('J'),
4253   EL_STEEL_CHAR('K'),
4254
4255   EL_STEEL_CHAR('L'),
4256   EL_STEEL_CHAR('M'),
4257   EL_STEEL_CHAR('N'),
4258   EL_STEEL_CHAR('O'),
4259
4260   EL_STEEL_CHAR('P'),
4261   EL_STEEL_CHAR('Q'),
4262   EL_STEEL_CHAR('R'),
4263   EL_STEEL_CHAR('S'),
4264
4265   EL_STEEL_CHAR('T'),
4266   EL_STEEL_CHAR('U'),
4267   EL_STEEL_CHAR('V'),
4268   EL_STEEL_CHAR('W'),
4269
4270   EL_STEEL_CHAR('X'),
4271   EL_STEEL_CHAR('Y'),
4272   EL_STEEL_CHAR('Z'),
4273   EL_STEEL_CHAR('['),
4274
4275   EL_STEEL_CHAR('\\'),
4276   EL_STEEL_CHAR(']'),
4277   EL_STEEL_CHAR('^'),
4278   EL_STEEL_CHAR('_'),
4279
4280   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4281   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4282   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4283   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4284
4285   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4286   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4287   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4288   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4289
4290   EL_STEEL_CHAR(FONT_ASCII_UP),
4291   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4292   EL_STEEL_CHAR(' '),
4293   EL_STEEL_CHAR(' ')
4294 };
4295 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4296 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4297 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4298 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4299
4300 static int editor_hl_custom[] =
4301 {
4302   EL_INTERNAL_CASCADE_CE_ACTIVE,
4303   EL_CHAR('C'),
4304   EL_CHAR('E'),
4305   EL_EMPTY,
4306 };
4307
4308 static int editor_el_custom[] =
4309 {
4310   EL_CUSTOM_START + 0,
4311   EL_CUSTOM_START + 1,
4312   EL_CUSTOM_START + 2,
4313   EL_CUSTOM_START + 3,
4314
4315   EL_CUSTOM_START + 4,
4316   EL_CUSTOM_START + 5,
4317   EL_CUSTOM_START + 6,
4318   EL_CUSTOM_START + 7,
4319
4320   EL_CUSTOM_START + 8,
4321   EL_CUSTOM_START + 9,
4322   EL_CUSTOM_START + 10,
4323   EL_CUSTOM_START + 11,
4324
4325   EL_CUSTOM_START + 12,
4326   EL_CUSTOM_START + 13,
4327   EL_CUSTOM_START + 14,
4328   EL_CUSTOM_START + 15,
4329
4330   EL_CUSTOM_START + 16,
4331   EL_CUSTOM_START + 17,
4332   EL_CUSTOM_START + 18,
4333   EL_CUSTOM_START + 19,
4334
4335   EL_CUSTOM_START + 20,
4336   EL_CUSTOM_START + 21,
4337   EL_CUSTOM_START + 22,
4338   EL_CUSTOM_START + 23,
4339
4340   EL_CUSTOM_START + 24,
4341   EL_CUSTOM_START + 25,
4342   EL_CUSTOM_START + 26,
4343   EL_CUSTOM_START + 27,
4344
4345   EL_CUSTOM_START + 28,
4346   EL_CUSTOM_START + 29,
4347   EL_CUSTOM_START + 30,
4348   EL_CUSTOM_START + 31,
4349
4350   EL_CUSTOM_START + 32,
4351   EL_CUSTOM_START + 33,
4352   EL_CUSTOM_START + 34,
4353   EL_CUSTOM_START + 35,
4354
4355   EL_CUSTOM_START + 36,
4356   EL_CUSTOM_START + 37,
4357   EL_CUSTOM_START + 38,
4358   EL_CUSTOM_START + 39,
4359
4360   EL_CUSTOM_START + 40,
4361   EL_CUSTOM_START + 41,
4362   EL_CUSTOM_START + 42,
4363   EL_CUSTOM_START + 43,
4364
4365   EL_CUSTOM_START + 44,
4366   EL_CUSTOM_START + 45,
4367   EL_CUSTOM_START + 46,
4368   EL_CUSTOM_START + 47,
4369
4370   EL_CUSTOM_START + 48,
4371   EL_CUSTOM_START + 49,
4372   EL_CUSTOM_START + 50,
4373   EL_CUSTOM_START + 51,
4374
4375   EL_CUSTOM_START + 52,
4376   EL_CUSTOM_START + 53,
4377   EL_CUSTOM_START + 54,
4378   EL_CUSTOM_START + 55,
4379
4380   EL_CUSTOM_START + 56,
4381   EL_CUSTOM_START + 57,
4382   EL_CUSTOM_START + 58,
4383   EL_CUSTOM_START + 59,
4384
4385   EL_CUSTOM_START + 60,
4386   EL_CUSTOM_START + 61,
4387   EL_CUSTOM_START + 62,
4388   EL_CUSTOM_START + 63,
4389
4390   EL_CUSTOM_START + 64,
4391   EL_CUSTOM_START + 65,
4392   EL_CUSTOM_START + 66,
4393   EL_CUSTOM_START + 67,
4394
4395   EL_CUSTOM_START + 68,
4396   EL_CUSTOM_START + 69,
4397   EL_CUSTOM_START + 70,
4398   EL_CUSTOM_START + 71,
4399
4400   EL_CUSTOM_START + 72,
4401   EL_CUSTOM_START + 73,
4402   EL_CUSTOM_START + 74,
4403   EL_CUSTOM_START + 75,
4404
4405   EL_CUSTOM_START + 76,
4406   EL_CUSTOM_START + 77,
4407   EL_CUSTOM_START + 78,
4408   EL_CUSTOM_START + 79,
4409
4410   EL_CUSTOM_START + 80,
4411   EL_CUSTOM_START + 81,
4412   EL_CUSTOM_START + 82,
4413   EL_CUSTOM_START + 83,
4414
4415   EL_CUSTOM_START + 84,
4416   EL_CUSTOM_START + 85,
4417   EL_CUSTOM_START + 86,
4418   EL_CUSTOM_START + 87,
4419
4420   EL_CUSTOM_START + 88,
4421   EL_CUSTOM_START + 89,
4422   EL_CUSTOM_START + 90,
4423   EL_CUSTOM_START + 91,
4424
4425   EL_CUSTOM_START + 92,
4426   EL_CUSTOM_START + 93,
4427   EL_CUSTOM_START + 94,
4428   EL_CUSTOM_START + 95,
4429
4430   EL_CUSTOM_START + 96,
4431   EL_CUSTOM_START + 97,
4432   EL_CUSTOM_START + 98,
4433   EL_CUSTOM_START + 99,
4434
4435   EL_CUSTOM_START + 100,
4436   EL_CUSTOM_START + 101,
4437   EL_CUSTOM_START + 102,
4438   EL_CUSTOM_START + 103,
4439
4440   EL_CUSTOM_START + 104,
4441   EL_CUSTOM_START + 105,
4442   EL_CUSTOM_START + 106,
4443   EL_CUSTOM_START + 107,
4444
4445   EL_CUSTOM_START + 108,
4446   EL_CUSTOM_START + 109,
4447   EL_CUSTOM_START + 110,
4448   EL_CUSTOM_START + 111,
4449
4450   EL_CUSTOM_START + 112,
4451   EL_CUSTOM_START + 113,
4452   EL_CUSTOM_START + 114,
4453   EL_CUSTOM_START + 115,
4454
4455   EL_CUSTOM_START + 116,
4456   EL_CUSTOM_START + 117,
4457   EL_CUSTOM_START + 118,
4458   EL_CUSTOM_START + 119,
4459
4460   EL_CUSTOM_START + 120,
4461   EL_CUSTOM_START + 121,
4462   EL_CUSTOM_START + 122,
4463   EL_CUSTOM_START + 123,
4464
4465   EL_CUSTOM_START + 124,
4466   EL_CUSTOM_START + 125,
4467   EL_CUSTOM_START + 126,
4468   EL_CUSTOM_START + 127,
4469
4470   EL_CUSTOM_START + 128,
4471   EL_CUSTOM_START + 129,
4472   EL_CUSTOM_START + 130,
4473   EL_CUSTOM_START + 131,
4474
4475   EL_CUSTOM_START + 132,
4476   EL_CUSTOM_START + 133,
4477   EL_CUSTOM_START + 134,
4478   EL_CUSTOM_START + 135,
4479
4480   EL_CUSTOM_START + 136,
4481   EL_CUSTOM_START + 137,
4482   EL_CUSTOM_START + 138,
4483   EL_CUSTOM_START + 139,
4484
4485   EL_CUSTOM_START + 140,
4486   EL_CUSTOM_START + 141,
4487   EL_CUSTOM_START + 142,
4488   EL_CUSTOM_START + 143,
4489
4490   EL_CUSTOM_START + 144,
4491   EL_CUSTOM_START + 145,
4492   EL_CUSTOM_START + 146,
4493   EL_CUSTOM_START + 147,
4494
4495   EL_CUSTOM_START + 148,
4496   EL_CUSTOM_START + 149,
4497   EL_CUSTOM_START + 150,
4498   EL_CUSTOM_START + 151,
4499
4500   EL_CUSTOM_START + 152,
4501   EL_CUSTOM_START + 153,
4502   EL_CUSTOM_START + 154,
4503   EL_CUSTOM_START + 155,
4504
4505   EL_CUSTOM_START + 156,
4506   EL_CUSTOM_START + 157,
4507   EL_CUSTOM_START + 158,
4508   EL_CUSTOM_START + 159,
4509
4510   EL_CUSTOM_START + 160,
4511   EL_CUSTOM_START + 161,
4512   EL_CUSTOM_START + 162,
4513   EL_CUSTOM_START + 163,
4514
4515   EL_CUSTOM_START + 164,
4516   EL_CUSTOM_START + 165,
4517   EL_CUSTOM_START + 166,
4518   EL_CUSTOM_START + 167,
4519
4520   EL_CUSTOM_START + 168,
4521   EL_CUSTOM_START + 169,
4522   EL_CUSTOM_START + 170,
4523   EL_CUSTOM_START + 171,
4524
4525   EL_CUSTOM_START + 172,
4526   EL_CUSTOM_START + 173,
4527   EL_CUSTOM_START + 174,
4528   EL_CUSTOM_START + 175,
4529
4530   EL_CUSTOM_START + 176,
4531   EL_CUSTOM_START + 177,
4532   EL_CUSTOM_START + 178,
4533   EL_CUSTOM_START + 179,
4534
4535   EL_CUSTOM_START + 180,
4536   EL_CUSTOM_START + 181,
4537   EL_CUSTOM_START + 182,
4538   EL_CUSTOM_START + 183,
4539
4540   EL_CUSTOM_START + 184,
4541   EL_CUSTOM_START + 185,
4542   EL_CUSTOM_START + 186,
4543   EL_CUSTOM_START + 187,
4544
4545   EL_CUSTOM_START + 188,
4546   EL_CUSTOM_START + 189,
4547   EL_CUSTOM_START + 190,
4548   EL_CUSTOM_START + 191,
4549
4550   EL_CUSTOM_START + 192,
4551   EL_CUSTOM_START + 193,
4552   EL_CUSTOM_START + 194,
4553   EL_CUSTOM_START + 195,
4554
4555   EL_CUSTOM_START + 196,
4556   EL_CUSTOM_START + 197,
4557   EL_CUSTOM_START + 198,
4558   EL_CUSTOM_START + 199,
4559
4560   EL_CUSTOM_START + 200,
4561   EL_CUSTOM_START + 201,
4562   EL_CUSTOM_START + 202,
4563   EL_CUSTOM_START + 203,
4564
4565   EL_CUSTOM_START + 204,
4566   EL_CUSTOM_START + 205,
4567   EL_CUSTOM_START + 206,
4568   EL_CUSTOM_START + 207,
4569
4570   EL_CUSTOM_START + 208,
4571   EL_CUSTOM_START + 209,
4572   EL_CUSTOM_START + 210,
4573   EL_CUSTOM_START + 211,
4574
4575   EL_CUSTOM_START + 212,
4576   EL_CUSTOM_START + 213,
4577   EL_CUSTOM_START + 214,
4578   EL_CUSTOM_START + 215,
4579
4580   EL_CUSTOM_START + 216,
4581   EL_CUSTOM_START + 217,
4582   EL_CUSTOM_START + 218,
4583   EL_CUSTOM_START + 219,
4584
4585   EL_CUSTOM_START + 220,
4586   EL_CUSTOM_START + 221,
4587   EL_CUSTOM_START + 222,
4588   EL_CUSTOM_START + 223,
4589
4590   EL_CUSTOM_START + 224,
4591   EL_CUSTOM_START + 225,
4592   EL_CUSTOM_START + 226,
4593   EL_CUSTOM_START + 227,
4594
4595   EL_CUSTOM_START + 228,
4596   EL_CUSTOM_START + 229,
4597   EL_CUSTOM_START + 230,
4598   EL_CUSTOM_START + 231,
4599
4600   EL_CUSTOM_START + 232,
4601   EL_CUSTOM_START + 233,
4602   EL_CUSTOM_START + 234,
4603   EL_CUSTOM_START + 235,
4604
4605   EL_CUSTOM_START + 236,
4606   EL_CUSTOM_START + 237,
4607   EL_CUSTOM_START + 238,
4608   EL_CUSTOM_START + 239,
4609
4610   EL_CUSTOM_START + 240,
4611   EL_CUSTOM_START + 241,
4612   EL_CUSTOM_START + 242,
4613   EL_CUSTOM_START + 243,
4614
4615   EL_CUSTOM_START + 244,
4616   EL_CUSTOM_START + 245,
4617   EL_CUSTOM_START + 246,
4618   EL_CUSTOM_START + 247,
4619
4620   EL_CUSTOM_START + 248,
4621   EL_CUSTOM_START + 249,
4622   EL_CUSTOM_START + 250,
4623   EL_CUSTOM_START + 251,
4624
4625   EL_CUSTOM_START + 252,
4626   EL_CUSTOM_START + 253,
4627   EL_CUSTOM_START + 254,
4628   EL_CUSTOM_START + 255
4629 };
4630 static int *editor_hl_custom_ptr = editor_hl_custom;
4631 static int *editor_el_custom_ptr = editor_el_custom;
4632 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4633 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4634
4635 static int editor_hl_group[] =
4636 {
4637   EL_INTERNAL_CASCADE_GE_ACTIVE,
4638   EL_CHAR('G'),
4639   EL_CHAR('E'),
4640   EL_EMPTY,
4641 };
4642
4643 static int editor_el_group[] =
4644 {
4645   EL_GROUP_START + 0,
4646   EL_GROUP_START + 1,
4647   EL_GROUP_START + 2,
4648   EL_GROUP_START + 3,
4649
4650   EL_GROUP_START + 4,
4651   EL_GROUP_START + 5,
4652   EL_GROUP_START + 6,
4653   EL_GROUP_START + 7,
4654
4655   EL_GROUP_START + 8,
4656   EL_GROUP_START + 9,
4657   EL_GROUP_START + 10,
4658   EL_GROUP_START + 11,
4659
4660   EL_GROUP_START + 12,
4661   EL_GROUP_START + 13,
4662   EL_GROUP_START + 14,
4663   EL_GROUP_START + 15,
4664
4665   EL_GROUP_START + 16,
4666   EL_GROUP_START + 17,
4667   EL_GROUP_START + 18,
4668   EL_GROUP_START + 19,
4669
4670   EL_GROUP_START + 20,
4671   EL_GROUP_START + 21,
4672   EL_GROUP_START + 22,
4673   EL_GROUP_START + 23,
4674
4675   EL_GROUP_START + 24,
4676   EL_GROUP_START + 25,
4677   EL_GROUP_START + 26,
4678   EL_GROUP_START + 27,
4679
4680   EL_GROUP_START + 28,
4681   EL_GROUP_START + 29,
4682   EL_GROUP_START + 30,
4683   EL_GROUP_START + 31
4684 };
4685 static int *editor_hl_group_ptr = editor_hl_group;
4686 static int *editor_el_group_ptr = editor_el_group;
4687 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4688 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4689
4690 static int editor_hl_reference[] =
4691 {
4692   EL_INTERNAL_CASCADE_REF_ACTIVE,
4693   EL_CHAR('R'),
4694   EL_CHAR('E'),
4695   EL_CHAR('F')
4696 };
4697
4698 static int editor_el_reference[] =
4699 {
4700   EL_TRIGGER_PLAYER,
4701   EL_TRIGGER_ELEMENT,
4702   EL_TRIGGER_CE_VALUE,
4703   EL_TRIGGER_CE_SCORE,
4704
4705   EL_SELF,
4706   EL_ANY_ELEMENT,
4707   EL_CURRENT_CE_VALUE,
4708   EL_CURRENT_CE_SCORE,
4709
4710   EL_PREV_CE_8,
4711   EL_PREV_CE_7,
4712   EL_PREV_CE_6,
4713   EL_PREV_CE_5,
4714
4715   EL_PREV_CE_4,
4716   EL_PREV_CE_3,
4717   EL_PREV_CE_2,
4718   EL_PREV_CE_1,
4719
4720   EL_NEXT_CE_1,
4721   EL_NEXT_CE_2,
4722   EL_NEXT_CE_3,
4723   EL_NEXT_CE_4,
4724
4725   EL_NEXT_CE_5,
4726   EL_NEXT_CE_6,
4727   EL_NEXT_CE_7,
4728   EL_NEXT_CE_8,
4729 };
4730 static int *editor_hl_reference_ptr = editor_hl_reference;
4731 static int *editor_el_reference_ptr = editor_el_reference;
4732 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4733 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4734
4735 static int editor_hl_user_defined[] =
4736 {
4737   EL_INTERNAL_CASCADE_USER_ACTIVE,
4738   EL_CHAR('M'),
4739   EL_CHAR('Y'),
4740   EL_EMPTY,
4741 };
4742
4743 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4744 static int *editor_el_user_defined_ptr = NULL;
4745 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4746 static int num_editor_el_user_defined = 0;
4747
4748 static int editor_hl_dynamic[] =
4749 {
4750   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4751   EL_CHAR('U'),
4752   EL_CHAR('S'),
4753   EL_CHAR('E'),
4754 };
4755
4756 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4757 static int *editor_el_dynamic_ptr = NULL;
4758 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4759 static int num_editor_el_dynamic = 0;
4760
4761 static int editor_hl_empty[] = { EL_EMPTY };
4762 static int *editor_el_empty = NULL;     /* dynamically allocated */
4763
4764 static int *editor_hl_empty_ptr = editor_hl_empty;
4765 static int *editor_el_empty_ptr = NULL;
4766 static int num_editor_hl_empty = 0;
4767 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4768
4769 static boolean use_el_empty = FALSE;
4770
4771 static int *editor_elements = NULL;     /* dynamically allocated */
4772 static int num_editor_elements = 0;     /* dynamically determined */
4773
4774 static boolean setup_editor_show_always = TRUE;
4775 static boolean setup_editor_cascade_never = FALSE;
4776
4777 static int editor_hl_unused[] = { EL_EMPTY };
4778 static int *editor_hl_unused_ptr = editor_hl_unused;
4779 static int num_editor_hl_unused = 0;
4780
4781 static struct
4782 {
4783   boolean *setup_value;
4784   boolean *setup_cascade_value;
4785
4786   int **headline_list;
4787   int *headline_list_size;
4788
4789   int **element_list;
4790   int *element_list_size;
4791
4792   boolean last_setup_value;
4793 }
4794 editor_elements_info[] =
4795 {
4796   {
4797     &setup_editor_show_always,
4798     &setup_editor_cascade_never,
4799     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4800     &editor_el_players_ptr,             &num_editor_el_players
4801   },
4802   {
4803     &setup.editor.el_boulderdash,
4804     &setup.editor_cascade.el_bd,
4805     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4806     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4807   },
4808   {
4809     &setup.editor.el_emerald_mine,
4810     &setup.editor_cascade.el_em,
4811     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4812     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4813   },
4814   {
4815     &setup.editor.el_emerald_mine_club,
4816     &setup.editor_cascade.el_emc,
4817     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4818     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4819   },
4820   {
4821     &setup.editor.el_more,
4822     &setup.editor_cascade.el_rnd,
4823     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4824     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4825   },
4826   {
4827     &setup.editor.el_sokoban,
4828     &setup.editor_cascade.el_sb,
4829     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4830     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4831   },
4832   {
4833     &setup.editor.el_supaplex,
4834     &setup.editor_cascade.el_sp,
4835     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4836     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4837   },
4838   {
4839     &setup.editor.el_diamond_caves,
4840     &setup.editor_cascade.el_dc,
4841     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4842     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4843   },
4844   {
4845     &setup.editor.el_dx_boulderdash,
4846     &setup.editor_cascade.el_dx,
4847     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4848     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4849   },
4850   {
4851     &setup.editor.el_chars,
4852     &setup.editor_cascade.el_chars,
4853     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4854     &editor_el_chars_ptr,               &num_editor_el_chars
4855   },
4856   {
4857     &setup.editor.el_steel_chars,
4858     &setup.editor_cascade.el_steel_chars,
4859     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4860     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4861   },
4862   {
4863     &setup.editor.el_custom,
4864     &setup.editor_cascade.el_ce,
4865     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4866     &editor_el_custom_ptr,              &num_editor_el_custom
4867   },
4868   {
4869     &setup.editor.el_custom,
4870     &setup.editor_cascade.el_ge,
4871     &editor_hl_group_ptr,               &num_editor_hl_group,
4872     &editor_el_group_ptr,               &num_editor_el_group
4873   },
4874   {
4875     &setup.editor.el_custom,
4876     &setup.editor_cascade.el_ref,
4877     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4878     &editor_el_reference_ptr,           &num_editor_el_reference
4879   },
4880   {
4881     &setup.editor.el_user_defined,
4882     &setup.editor_cascade.el_user,
4883     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4884     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4885   },
4886   {
4887     &setup.editor.el_dynamic,
4888     &setup.editor_cascade.el_dynamic,
4889     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4890     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4891   },
4892   {
4893     &use_el_empty,
4894     &use_el_empty,
4895     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4896     &editor_el_empty_ptr,               &num_editor_el_empty,
4897   },
4898   {
4899     NULL,
4900     NULL,
4901     NULL,                               NULL,
4902     NULL,                               NULL
4903   }
4904 };
4905
4906
4907 /*
4908   -----------------------------------------------------------------------------
4909   functions
4910   -----------------------------------------------------------------------------
4911 */
4912
4913 static int getMaxInfoTextLength()
4914 {
4915   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4916 }
4917
4918 static int getTextWidthForGadget(char *text)
4919 {
4920   if (text == NULL)
4921     return 0;
4922
4923   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4924 }
4925
4926 static int getTextWidthForDrawingArea(char *text)
4927 {
4928   if (text == NULL)
4929     return 0;
4930
4931   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4932 }
4933
4934 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4935 {
4936   return (gi->x + gi->width + getTextWidthForGadget(text));
4937 }
4938
4939 static char *getElementInfoText(int element)
4940 {
4941   char *info_text = NULL;
4942
4943   if (element < MAX_NUM_ELEMENTS)
4944   {
4945     if (strlen(element_info[element].description) > 0)
4946       info_text = element_info[element].description;
4947     else if (element_info[element].custom_description != NULL)
4948       info_text = element_info[element].custom_description;
4949     else if (element_info[element].editor_description != NULL)
4950       info_text = element_info[element].editor_description;
4951   }
4952
4953   if (info_text == NULL)
4954     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4955
4956   return info_text;
4957 }
4958
4959 static char *getElementDescriptionFilenameExt(char *basename)
4960 {
4961   char *elements_subdir = "elements";
4962   static char *elements_subdir2 = NULL;
4963   static char *filename = NULL;
4964
4965   if (elements_subdir2 == NULL)
4966     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4967
4968   checked_free(filename);
4969
4970   /* 1st try: look for element description in current level set directory */
4971   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4972   if (fileExists(filename))
4973     return filename;
4974
4975   free(filename);
4976
4977   /* 2nd try: look for element description in the game's base directory */
4978   filename = getPath3(options.docs_directory, elements_subdir, basename);
4979   if (fileExists(filename))
4980     return filename;
4981
4982   return NULL;
4983 }
4984
4985 char *getElementDescriptionFilename(int element)
4986 {
4987   char basename[MAX_FILENAME_LEN];
4988   char *filename;
4989
4990   /* 1st try: look for element description file for exactly this element */
4991   sprintf(basename, "%s.txt", element_info[element].token_name);
4992   filename = getElementDescriptionFilenameExt(basename);
4993   if (filename != NULL)
4994     return filename;
4995
4996   /* 2nd try: look for element description file for this element's class */
4997   sprintf(basename, "%s.txt", element_info[element].class_name);
4998   filename = getElementDescriptionFilenameExt(basename);
4999   if (filename != NULL)
5000     return filename;
5001
5002   return NULL;
5003 }
5004
5005 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5006 {
5007   boolean element_found[NUM_FILE_ELEMENTS];
5008   int i, x, y;
5009
5010   /* initialize list of used elements to "not used" */
5011   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5012     element_found[i] = FALSE;
5013
5014   /* find all elements used in current level */
5015   for (y = 0; y < lev_fieldy; y++)
5016     for (x = 0; x < lev_fieldx; x++)
5017       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5018         element_found[Feld[x][y]] = TRUE;
5019
5020   *num_elements = 0;
5021
5022   /* count number of elements used in current level */
5023   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5024     if (element_found[i])
5025       (*num_elements)++;
5026
5027   /* add space for up to 3 more elements for padding that may be needed */
5028   *num_elements += 3;
5029
5030   /* free memory for old list of elements, if needed */
5031   checked_free(*elements);
5032
5033   /* allocate memory for new list of elements */
5034   *elements = checked_malloc(*num_elements * sizeof(int));
5035
5036   *num_elements = 0;
5037
5038   /* add all elements used in current level (non-custom/group elements) */
5039   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5040     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5041       (*elements)[(*num_elements)++] = i;
5042
5043   /* add all elements used in current level (custom/group elements) */
5044   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5045     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5046       (*elements)[(*num_elements)++] = i;
5047
5048   while (*num_elements % 4)     /* pad with empty elements, if needed */
5049     (*elements)[(*num_elements)++] = EL_EMPTY;
5050 }
5051
5052 static void ReinitializeElementList()
5053 {
5054   static boolean initialization_needed = TRUE;
5055   int pos = 0;
5056   int i, j;
5057
5058   if (initialization_needed)
5059   {
5060     LoadSetup_EditorCascade();          /* load last editor cascade state */
5061
5062     /* initialize editor cascade element from saved cascade state */
5063     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5064     {
5065       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5066       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5067
5068       if (IS_EDITOR_CASCADE(*cascade_element))
5069         *cascade_element =
5070           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5071            EL_CASCADE_INACTIVE(*cascade_element));
5072     }
5073
5074     initialization_needed = FALSE;
5075   }
5076
5077   checked_free(editor_elements);
5078
5079   /* reload optional user defined element list for each invocation of editor */
5080   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5081                                    &num_editor_el_user_defined);
5082
5083   /* initialize dynamic level element list for each invocation of editor */
5084   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5085                                &num_editor_el_dynamic);
5086
5087   /* initialize list of empty elements (used for padding, if needed) */
5088   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5089     editor_el_empty[i] = EL_EMPTY;
5090
5091   /* do some sanity checks for each element from element list */
5092   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5093   {
5094     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5095     {
5096       int element = (*editor_elements_info[i].element_list)[j];
5097
5098       if (element >= NUM_FILE_ELEMENTS)
5099         Error(ERR_WARN, "editor element %d is runtime element", element);
5100
5101       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5102         Error(ERR_WARN, "no element description for element %d", element);
5103     }
5104   }
5105
5106   num_editor_elements = 0;
5107   use_el_empty = FALSE;
5108
5109   /* determine size of element list */
5110   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5111   {
5112     boolean found_inactive_cascade = FALSE;
5113
5114     if (*editor_elements_info[i].setup_value)
5115     {
5116       if (setup.editor.el_headlines)
5117       {
5118         // required for correct padding of palette headline buttons
5119         if (*editor_elements_info[i].headline_list_size > 0)
5120           num_editor_elements += editor.palette.cols;
5121
5122         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5123         {
5124           int element = (*editor_elements_info[i].headline_list)[j];
5125
5126           if (IS_EDITOR_CASCADE_INACTIVE(element))
5127             found_inactive_cascade = TRUE;
5128         }
5129       }
5130
5131       if (found_inactive_cascade)
5132         continue;
5133
5134       // required for correct padding of palette element buttons
5135       int element_list_size = *editor_elements_info[i].element_list_size;
5136       int element_rows =
5137         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5138       int element_buttons = editor.palette.cols * element_rows;
5139
5140       num_editor_elements += element_buttons;
5141     }
5142   }
5143
5144   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5145   {
5146     /* offer at least as many elements as element buttons exist */
5147     use_el_empty = TRUE;
5148     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5149
5150     num_editor_elements += num_editor_el_empty;
5151   }
5152
5153   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5154
5155   /* fill element list */
5156   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5157   {
5158     boolean found_inactive_cascade = FALSE;
5159
5160     if (*editor_elements_info[i].setup_value)
5161     {
5162       if (setup.editor.el_headlines)
5163       {
5164         // required for correct padding of palette headline buttons
5165         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5166                              editor.palette.cols : 0);
5167
5168         for (j = 0; j < headline_size; j++)
5169         {
5170           // use empty elements for padding of palette headline buttons
5171           int element = (j < *editor_elements_info[i].headline_list_size ?
5172                          (*editor_elements_info[i].headline_list)[j] :
5173                          editor_el_empty[0]);
5174
5175           editor_elements[pos++] = element;
5176
5177           if (IS_EDITOR_CASCADE_INACTIVE(element))
5178             found_inactive_cascade = TRUE;
5179         }
5180       }
5181
5182       if (found_inactive_cascade)
5183         continue;
5184
5185       // required for correct padding of palette element buttons
5186       int element_list_size = *editor_elements_info[i].element_list_size;
5187       int element_rows =
5188         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5189       int element_buttons = editor.palette.cols * element_rows;
5190
5191       // copy all elements from element list
5192       for (j = 0; j < element_list_size; j++)
5193         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5194
5195       // use empty elements for padding of palette element buttons
5196       for (j = 0; j < element_buttons - element_list_size; j++)
5197         editor_elements[pos++] = editor_el_empty[0];
5198     }
5199   }
5200
5201   /* (this function is also called before editor gadgets are initialized!) */
5202   AdjustElementListScrollbar();
5203 }
5204
5205 void PrintEditorElementList()
5206 {
5207   boolean *stop = &setup.editor.el_user_defined;
5208   int i, j;
5209
5210   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5211   {
5212     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5213
5214     if (IS_EDITOR_CASCADE(cascade_element))
5215     {
5216       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5217       char *headline = element_info[cascade_element_show].editor_description;
5218
5219       printf_line_with_prefix("# ", "-", 77);
5220       printf("# %s\n", headline);
5221       printf_line_with_prefix("# ", "-", 77);
5222     }
5223
5224     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5225     {
5226       int element = (*editor_elements_info[i].headline_list)[j];
5227
5228       if (IS_EDITOR_CASCADE(element))
5229         element = EL_CHAR_MINUS;
5230
5231       printf("# %s\n", element_info[element].token_name);
5232     }
5233
5234     if (j > 0)
5235       printf("#\n");
5236
5237     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5238     {
5239       int element = (*editor_elements_info[i].element_list)[j];
5240
5241       printf("# %s\n", element_info[element].token_name);
5242     }
5243
5244     if (j > 0)
5245       printf("#\n");
5246   }
5247 }
5248
5249 static void ReinitializeElementListButtons()
5250 {
5251   static boolean last_setup_value_headlines = FALSE;
5252   static boolean initialization_needed = TRUE;
5253   int i;
5254
5255   if (!initialization_needed)   /* check if editor element setup has changed */
5256   {
5257     if (last_setup_value_headlines != setup.editor.el_headlines)
5258       initialization_needed = TRUE;
5259
5260     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5261       if (editor_elements_info[i].last_setup_value !=
5262           *editor_elements_info[i].setup_value)
5263         initialization_needed = TRUE;
5264   }
5265
5266   if (!initialization_needed)
5267     return;
5268
5269   FreeLevelEditorGadgets();
5270   CreateLevelEditorGadgets();
5271
5272   /* store current setup values for next invocation of this function */
5273   last_setup_value_headlines = setup.editor.el_headlines;
5274   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5275     editor_elements_info[i].last_setup_value =
5276       *editor_elements_info[i].setup_value;
5277
5278   initialization_needed = FALSE;
5279 }
5280
5281 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5282                               boolean input)
5283 {
5284   int border_graphic =
5285     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5286   struct GraphicInfo *g = &graphic_info[border_graphic];
5287   Bitmap *src_bitmap = g->bitmap;
5288   int src_x = g->src_x;
5289   int src_y = g->src_y;
5290   int border_size = g->border_size;
5291   int border_xpos = g->width  - border_size;
5292   int border_ypos = g->height - border_size;
5293   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5294   int i;
5295
5296   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5297              border_size, border_size,
5298              dest_x - border_size, dest_y - border_size);
5299   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5300              border_size, border_size,
5301              dest_x + width, dest_y - border_size);
5302   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5303              border_size, border_size,
5304              dest_x - border_size, dest_y + height);
5305   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5306              border_size, border_size,
5307              dest_x + width, dest_y + height);
5308
5309   for (i = 0; i < width / tilesize; i++)
5310   {
5311     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5312                tilesize, border_size,
5313                dest_x + i * tilesize, dest_y - border_size);
5314     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5315                tilesize, border_size,
5316                dest_x + i * tilesize, dest_y + height);
5317   }
5318
5319   for (i = 0; i < height / tilesize; i++)
5320   {
5321     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5322                border_size, tilesize,
5323                dest_x - border_size, dest_y + i * tilesize);
5324     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5325                border_size, tilesize,
5326                dest_x + width, dest_y + i * tilesize);
5327   }
5328
5329   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5330 }
5331
5332 static void DrawEditorElement(int x, int y, int element)
5333 {
5334   DrawSizedElement(x, y, element, ed_tilesize);
5335 }
5336
5337 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5338 {
5339   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5340 }
5341
5342 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5343 {
5344   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5345 }
5346
5347 static void DrawDrawingArea(int id)
5348 {
5349   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5350   int x, y;
5351
5352   int *value = drawingarea_info[id].value;
5353   int area_xsize = drawingarea_info[id].area_xsize;
5354   int area_ysize = drawingarea_info[id].area_ysize;
5355   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5356
5357   for (x = 0; x < area_xsize; x++)
5358     for (y = 0; y < area_ysize; y++)
5359       DrawSizedGraphicExt(drawto,
5360                           gi->x + x * tilesize,
5361                           gi->y + y * tilesize,
5362                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5363 }
5364
5365 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5366 {
5367   int x, y;
5368   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5369   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5370
5371   BlitBitmap(drawto, drawto,
5372              SX + (dx == -1 ? ed_tilesize : 0),
5373              SY + (dy == -1 ? ed_tilesize : 0),
5374              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5375              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5376              SX + (dx == +1 ? ed_tilesize : 0),
5377              SY + (dy == +1 ? ed_tilesize : 0));
5378
5379   if (dx)
5380   {
5381     x = (dx == 1 ? 0 : ed_fieldx - 1);
5382     for (y = 0; y < ed_fieldy; y++)
5383       DrawEditorElementOrWall(x, y, from_x, from_y);
5384   }
5385   else if (dy)
5386   {
5387     y = (dy == 1 ? 0 : ed_fieldy - 1);
5388     for (x = 0; x < ed_fieldx; x++)
5389       DrawEditorElementOrWall(x, y, from_x, from_y);
5390   }
5391
5392   redraw_mask |= REDRAW_FIELD;
5393   BackToFront();
5394 }
5395
5396 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5397 {
5398   int graphic = el2edimg(element);
5399   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5400                    MINI_TILESIZE);
5401
5402   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5403 }
5404
5405 static void CreateControlButtons()
5406 {
5407   struct GadgetInfo *gi;
5408   int i;
5409
5410   /* create toolbox buttons */
5411   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5412   {
5413     int id = controlbutton_info[i].gadget_id;
5414     int type = controlbutton_info[i].gadget_type;
5415     int graphic = controlbutton_info[i].graphic;
5416     struct XY *pos = controlbutton_info[i].pos;
5417     struct GraphicInfo *gd = &graphic_info[graphic];
5418     int gd_x1 = gd->src_x;
5419     int gd_y1 = gd->src_y;
5420     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5421     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5422     int gd_x1a = gd->src_x + gd->active_xoffset;
5423     int gd_y1a = gd->src_y + gd->active_yoffset;
5424     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5425     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5426     int x = pos->x;
5427     int y = pos->y;
5428     unsigned int event_mask;
5429     int radio_button_nr = RADIO_NR_NONE;
5430     boolean checked = FALSE;
5431
5432     if (type == GD_TYPE_RADIO_BUTTON)
5433     {
5434       event_mask = GD_EVENT_PRESSED;
5435       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5436
5437       if (id == drawing_function)
5438         checked = TRUE;
5439     }
5440     else
5441     {
5442       if (id == GADGET_ID_WRAP_LEFT ||
5443           id == GADGET_ID_WRAP_RIGHT ||
5444           id == GADGET_ID_WRAP_UP ||
5445           id == GADGET_ID_WRAP_DOWN)
5446         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5447       else
5448         event_mask = GD_EVENT_RELEASED;
5449     }
5450
5451     if (id == GADGET_ID_PROPERTIES)
5452     {
5453       x += DX;
5454       y += DY;
5455     }
5456     else
5457     {
5458       x += EX;
5459       y += EY;
5460     }
5461
5462     gi = CreateGadget(GDI_CUSTOM_ID, id,
5463                       GDI_CUSTOM_TYPE_ID, i,
5464                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5465                       GDI_X, x,
5466                       GDI_Y, y,
5467                       GDI_WIDTH, gd->width,
5468                       GDI_HEIGHT, gd->height,
5469                       GDI_TYPE, type,
5470                       GDI_STATE, GD_BUTTON_UNPRESSED,
5471                       GDI_RADIO_NR, radio_button_nr,
5472                       GDI_CHECKED, checked,
5473                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5474                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5475                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5476                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5477                       GDI_EVENT_MASK, event_mask,
5478                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5479                       GDI_CALLBACK_ACTION, HandleControlButtons,
5480                       GDI_END);
5481
5482     if (gi == NULL)
5483       Error(ERR_EXIT, "cannot create gadget");
5484
5485     level_editor_gadget[id] = gi;
5486   }
5487
5488   /* these values are not constant, but can change at runtime */
5489   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5490   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5491   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5492   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5493   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5494   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5495   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5496   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5497   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5498   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5499   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5500   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5501
5502   /* create buttons for scrolling of drawing area and element list */
5503   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5504   {
5505     int id = scrollbutton_info[i].gadget_id;
5506     int graphic = scrollbutton_info[i].graphic;
5507     struct GraphicInfo *gd = &graphic_info[graphic];
5508     Bitmap *gd_bitmap = gd->bitmap;
5509     int gd_x1 = gd->src_x;
5510     int gd_y1 = gd->src_y;
5511     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5512     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5513     int width  = gd->width;
5514     int height = gd->height;
5515     int x = scrollbutton_pos[i].x;
5516     int y = scrollbutton_pos[i].y;
5517     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5518
5519     if (id == GADGET_ID_SCROLL_LIST_UP ||
5520         id == GADGET_ID_SCROLL_LIST_DOWN)
5521     {
5522       x += DX;
5523       y += DY;
5524     }
5525     else
5526     {
5527       x += SX;
5528       y += SY;
5529     }
5530
5531     gi = CreateGadget(GDI_CUSTOM_ID, id,
5532                       GDI_CUSTOM_TYPE_ID, i,
5533                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5534                       GDI_X, x,
5535                       GDI_Y, y,
5536                       GDI_WIDTH, width,
5537                       GDI_HEIGHT, height,
5538                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5539                       GDI_STATE, GD_BUTTON_UNPRESSED,
5540                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5541                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5542                       GDI_EVENT_MASK, event_mask,
5543                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5544                       GDI_CALLBACK_ACTION, HandleControlButtons,
5545                       GDI_END);
5546
5547     if (gi == NULL)
5548       Error(ERR_EXIT, "cannot create gadget");
5549
5550     level_editor_gadget[id] = gi;
5551   }
5552
5553   /* create buttons for element list */
5554   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5555   {
5556     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5557     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5558     struct GraphicInfo *gd = &graphic_info[graphic];
5559     Bitmap *gd_bitmap = gd->bitmap;
5560     Bitmap *deco_bitmap;
5561     int deco_x, deco_y, deco_xpos, deco_ypos;
5562     int gd_x1 = gd->src_x;
5563     int gd_y1 = gd->src_y;
5564     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5565     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5566     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5567     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5568     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5569     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5570     int element = editor_elements[i];
5571     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5572                      MINI_TILESIZE);
5573     unsigned int event_mask = GD_EVENT_RELEASED;
5574
5575     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5576     deco_xpos = (gd->width  - tile_size) / 2;
5577     deco_ypos = (gd->height - tile_size) / 2;
5578
5579     gi = CreateGadget(GDI_CUSTOM_ID, id,
5580                       GDI_CUSTOM_TYPE_ID, i,
5581                       GDI_INFO_TEXT, getElementInfoText(element),
5582                       GDI_X, x,
5583                       GDI_Y, y,
5584                       GDI_WIDTH, gd->width,
5585                       GDI_HEIGHT, gd->height,
5586                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5587                       GDI_STATE, GD_BUTTON_UNPRESSED,
5588                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5589                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5590                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5591                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5592                       GDI_DECORATION_SIZE, tile_size, tile_size,
5593                       GDI_DECORATION_SHIFTING, 1, 1,
5594                       GDI_EVENT_MASK, event_mask,
5595                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5596                       GDI_CALLBACK_ACTION, HandleControlButtons,
5597                       GDI_END);
5598
5599     if (gi == NULL)
5600       Error(ERR_EXIT, "cannot create gadget");
5601
5602     level_editor_gadget[id] = gi;
5603   }
5604 }
5605
5606 static void CreateCounterButtons()
5607 {
5608   int max_infotext_len = getMaxInfoTextLength();
5609   int i;
5610
5611   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5612   {
5613     int j;
5614     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5615     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5616
5617     /* determine horizontal position to the right of specified gadget */
5618     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5619       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5620            ED_GADGET_TEXT_DISTANCE);
5621
5622     /* determine horizontal offset for leading text */
5623     if (counterbutton_info[i].text_left != NULL)
5624       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5625
5626     for (j = 0; j < 2; j++)
5627     {
5628       struct GadgetInfo *gi;
5629       int id = (j == 0 ?
5630                 counterbutton_info[i].gadget_id_down :
5631                 counterbutton_info[i].gadget_id_up);
5632       int graphic;
5633       struct GraphicInfo *gd;
5634       int gd_x1, gd_x2, gd_y1, gd_y2;
5635       unsigned int event_mask;
5636       char infotext[max_infotext_len + 1];
5637
5638       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5639
5640       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5641       {
5642         graphic = (j == 0 ?
5643                    IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5644                    IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5645
5646         event_mask |= GD_EVENT_RELEASED;
5647
5648         if (j == 0)
5649         {
5650           x = DX + editor.button.prev_level.x;
5651           y = DY + editor.button.prev_level.y;
5652         }
5653         else
5654         {
5655           x = DX + editor.button.next_level.x;
5656           y = DY + editor.button.next_level.y;
5657         }
5658       }
5659       else
5660       {
5661         graphic = (j == 0 ?
5662                    IMG_EDITOR_COUNTER_DOWN :
5663                    IMG_EDITOR_COUNTER_UP);
5664       }
5665
5666       gd = &graphic_info[graphic];
5667
5668       gd_x1 = gd->src_x;
5669       gd_y1 = gd->src_y;
5670       gd_x2 = gd->src_x + gd->pressed_xoffset;
5671       gd_y2 = gd->src_y + gd->pressed_yoffset;
5672
5673       sprintf(infotext, "%s counter value by 1, 5 or 10",
5674               (j == 0 ? "decrease" : "increase"));
5675
5676       gi = CreateGadget(GDI_CUSTOM_ID, id,
5677                         GDI_CUSTOM_TYPE_ID, i,
5678                         GDI_INFO_TEXT, infotext,
5679                         GDI_X, x,
5680                         GDI_Y, y,
5681                         GDI_WIDTH, gd->width,
5682                         GDI_HEIGHT, gd->height,
5683                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5684                         GDI_STATE, GD_BUTTON_UNPRESSED,
5685                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5686                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5687                         GDI_EVENT_MASK, event_mask,
5688                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5689                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5690                         GDI_END);
5691
5692       if (gi == NULL)
5693         Error(ERR_EXIT, "cannot create gadget");
5694
5695       level_editor_gadget[id] = gi;
5696       right_gadget_border[id] =
5697         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5698
5699       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
5700
5701       if (j == 0)
5702       {
5703         int font_type = FONT_INPUT_1;
5704         int font_type_active = FONT_INPUT_1_ACTIVE;
5705
5706         id = counterbutton_info[i].gadget_id_text;
5707
5708         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5709
5710         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5711         {
5712           graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5713
5714           font_type = FONT_LEVEL_NUMBER;
5715           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5716
5717           x = DX + editor.input.level_number.x;
5718           y = DY + editor.input.level_number.y;
5719         }
5720         else
5721         {
5722           graphic = IMG_EDITOR_COUNTER_INPUT;
5723         }
5724
5725         gd = &graphic_info[graphic];
5726
5727         gd_x1 = gd->src_x;
5728         gd_y1 = gd->src_y;
5729         gd_x2 = gd->src_x + gd->active_xoffset;
5730         gd_y2 = gd->src_y + gd->active_yoffset;
5731
5732         gi = CreateGadget(GDI_CUSTOM_ID, id,
5733                           GDI_CUSTOM_TYPE_ID, i,
5734                           GDI_INFO_TEXT, "enter counter value",
5735                           GDI_X, x,
5736                           GDI_Y, y,
5737                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5738                           GDI_NUMBER_VALUE, 0,
5739                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5740                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5741                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5742                           GDI_TEXT_FONT, font_type,
5743                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5744                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5745                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5746                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5747                           GDI_DESIGN_WIDTH, gd->width,
5748                           GDI_EVENT_MASK, event_mask,
5749                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5750                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5751                           GDI_END);
5752
5753         if (gi == NULL)
5754           Error(ERR_EXIT, "cannot create gadget");
5755
5756         level_editor_gadget[id] = gi;
5757         right_gadget_border[id] =
5758           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5759
5760         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
5761       }
5762     }
5763   }
5764 }
5765
5766 static void CreateDrawingAreas()
5767 {
5768   int i;
5769
5770   /* these values are not constant, but can change at runtime */
5771   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5772   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5773
5774   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5775   {
5776     struct GadgetInfo *gi;
5777     unsigned int event_mask;
5778     int id = drawingarea_info[i].gadget_id;
5779     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5780     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5781     int area_xsize = drawingarea_info[i].area_xsize;
5782     int area_ysize = drawingarea_info[i].area_ysize;
5783     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5784                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
5785
5786     event_mask =
5787       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5788       GD_EVENT_OFF_BORDERS;
5789
5790     /* determine horizontal position to the right of specified gadget */
5791     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5792       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5793            ED_DRAWINGAREA_TEXT_DISTANCE);
5794
5795     /* determine horizontal offset for leading text */
5796     if (drawingarea_info[i].text_left != NULL)
5797       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5798
5799     gi = CreateGadget(GDI_CUSTOM_ID, id,
5800                       GDI_CUSTOM_TYPE_ID, i,
5801                       GDI_X, x,
5802                       GDI_Y, y,
5803                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5804                       GDI_AREA_SIZE, area_xsize, area_ysize,
5805                       GDI_ITEM_SIZE, item_size, item_size,
5806                       GDI_EVENT_MASK, event_mask,
5807                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5808                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5809                       GDI_END);
5810
5811     if (gi == NULL)
5812       Error(ERR_EXIT, "cannot create gadget");
5813
5814     level_editor_gadget[id] = gi;
5815     right_gadget_border[id] =
5816       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5817   }
5818 }
5819
5820 static void CreateTextInputGadgets()
5821 {
5822   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5823   int max_infotext_len = getMaxInfoTextLength();
5824   int i;
5825
5826   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5827   {
5828     int gd_x1 = gd->src_x;
5829     int gd_y1 = gd->src_y;
5830     int gd_x2 = gd->src_x + gd->active_xoffset;
5831     int gd_y2 = gd->src_y + gd->active_yoffset;
5832     struct GadgetInfo *gi;
5833     unsigned int event_mask;
5834     char infotext[MAX_OUTPUT_LINESIZE + 1];
5835     int id = textinput_info[i].gadget_id;
5836     int x, y;
5837
5838     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5839     {
5840       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5841       int border_size = gd->border_size;
5842       int font_nr = FONT_INPUT_1;
5843       int font_height = getFontHeight(font_nr);
5844       int xoffset = element_border + TILEX + element_border + 3 * border_size;
5845       int yoffset = element_border + (TILEY - font_height) / 2;
5846
5847       x = editor.element_settings.element.x + xoffset - border_size;
5848       y = editor.element_settings.element.y + yoffset - border_size;
5849     }
5850     else
5851     {
5852       x = ED_SETTINGS_X(textinput_info[i].x);
5853       y = ED_SETTINGS_Y(textinput_info[i].y);
5854     }
5855
5856     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5857
5858     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5859     infotext[max_infotext_len] = '\0';
5860
5861     gi = CreateGadget(GDI_CUSTOM_ID, id,
5862                       GDI_CUSTOM_TYPE_ID, i,
5863                       GDI_INFO_TEXT, infotext,
5864                       GDI_X, SX + x,
5865                       GDI_Y, SY + y,
5866                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5867                       GDI_TEXT_VALUE, textinput_info[i].value,
5868                       GDI_TEXT_SIZE, textinput_info[i].size,
5869                       GDI_TEXT_FONT, FONT_INPUT_1,
5870                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5871                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5872                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5873                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5874                       GDI_DESIGN_WIDTH, gd->width,
5875                       GDI_EVENT_MASK, event_mask,
5876                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5877                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5878                       GDI_END);
5879
5880     if (gi == NULL)
5881       Error(ERR_EXIT, "cannot create gadget");
5882
5883     level_editor_gadget[id] = gi;
5884   }
5885 }
5886
5887 static void CreateTextAreaGadgets()
5888 {
5889   int max_infotext_len = getMaxInfoTextLength();
5890   int i;
5891
5892   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5893   {
5894     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5895     int gd_x1 = gd->src_x;
5896     int gd_y1 = gd->src_y;
5897     int gd_x2 = gd->src_x + gd->active_xoffset;
5898     int gd_y2 = gd->src_y + gd->active_yoffset;
5899     struct GadgetInfo *gi;
5900     unsigned int event_mask;
5901     char infotext[MAX_OUTPUT_LINESIZE + 1];
5902     int id = textarea_info[i].gadget_id;
5903     int area_xsize = textarea_info[i].xsize;
5904     int area_ysize = textarea_info[i].ysize;
5905
5906     event_mask = GD_EVENT_TEXT_LEAVING;
5907
5908     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5909     infotext[max_infotext_len] = '\0';
5910
5911     gi = CreateGadget(GDI_CUSTOM_ID, id,
5912                       GDI_CUSTOM_TYPE_ID, i,
5913                       GDI_INFO_TEXT, infotext,
5914                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
5915                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
5916                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5917                       GDI_AREA_SIZE, area_xsize, area_ysize,
5918                       GDI_TEXT_FONT, FONT_INPUT_1,
5919                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5920                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5921                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5922                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5923                       GDI_DESIGN_WIDTH, gd->width,
5924                       GDI_EVENT_MASK, event_mask,
5925                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5926                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5927                       GDI_END);
5928
5929     if (gi == NULL)
5930       Error(ERR_EXIT, "cannot create gadget");
5931
5932     level_editor_gadget[id] = gi;
5933   }
5934 }
5935
5936 static void CreateSelectboxGadgets()
5937 {
5938   int max_infotext_len = getMaxInfoTextLength();
5939   int i, j;
5940
5941   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5942   {
5943     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
5944     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
5945     int gd_x1 = gd->src_x;
5946     int gd_y1 = gd->src_y;
5947     int gd_x2 = gd->src_x + gd->active_xoffset;
5948     int gd_y2 = gd->src_y + gd->active_yoffset;
5949     int selectbox_button_xsize = gd2->width;
5950     struct GadgetInfo *gi;
5951     unsigned int event_mask;
5952     char infotext[MAX_OUTPUT_LINESIZE + 1];
5953     int id = selectbox_info[i].gadget_id;
5954     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
5955     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
5956
5957     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5958     {
5959       /* (we cannot use -1 for uninitialized values if we directly compare
5960          with results from strlen(), because the '<' and '>' operation will
5961          implicitely cast -1 to an unsigned integer value!) */
5962       selectbox_info[i].size = 0;
5963
5964       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5965         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5966           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5967
5968       selectbox_info[i].size++;         /* add one character empty space */
5969     }
5970
5971     event_mask = GD_EVENT_RELEASED |
5972       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5973
5974     /* determine horizontal position to the right of specified gadget */
5975     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5976       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5977            ED_GADGET_TEXT_DISTANCE);
5978
5979     /* determine horizontal offset for leading text */
5980     if (selectbox_info[i].text_left != NULL)
5981       x += getTextWidthForGadget(selectbox_info[i].text_left);
5982
5983     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5984     infotext[max_infotext_len] = '\0';
5985
5986     gi = CreateGadget(GDI_CUSTOM_ID, id,
5987                       GDI_CUSTOM_TYPE_ID, i,
5988                       GDI_INFO_TEXT, infotext,
5989                       GDI_X, x,
5990                       GDI_Y, y,
5991                       GDI_TYPE, GD_TYPE_SELECTBOX,
5992                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5993                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5994                       GDI_TEXT_SIZE, selectbox_info[i].size,
5995                       GDI_TEXT_FONT, FONT_INPUT_1,
5996                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5997                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
5998                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5999                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6000                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6001                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6002                       GDI_DESIGN_WIDTH, gd->width,
6003                       GDI_EVENT_MASK, event_mask,
6004                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6005                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6006                       GDI_END);
6007
6008     if (gi == NULL)
6009       Error(ERR_EXIT, "cannot create gadget");
6010
6011     level_editor_gadget[id] = gi;
6012     right_gadget_border[id] =
6013       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6014   }
6015 }
6016
6017 static void CreateTextbuttonGadgets()
6018 {
6019   int max_infotext_len = getMaxInfoTextLength();
6020   int i;
6021
6022   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6023   {
6024     int id = textbutton_info[i].gadget_id;
6025     int is_tab_button =
6026       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6027        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6028     int graphic =
6029       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6030     int gadget_distance =
6031       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6032     struct GraphicInfo *gd = &graphic_info[graphic];
6033     int gd_x1 = gd->src_x;
6034     int gd_y1 = gd->src_y;
6035     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6036     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6037     int gd_x1a = gd->src_x + gd->active_xoffset;
6038     int gd_y1a = gd->src_y + gd->active_yoffset;
6039     int border_xsize = gd->border_size + gd->draw_xoffset;
6040     int border_ysize = gd->border_size;
6041     struct GadgetInfo *gi;
6042     unsigned int event_mask;
6043     char infotext[MAX_OUTPUT_LINESIZE + 1];
6044     int x = SX + ED_TAB_SETTINGS_X(textbutton_info[i].x);
6045     int y = SY + ED_TAB_SETTINGS_Y(textbutton_info[i].y);
6046
6047     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6048       textbutton_info[i].size = strlen(textbutton_info[i].text);
6049
6050     event_mask = GD_EVENT_RELEASED;
6051
6052     sprintf(infotext, "%s", textbutton_info[i].infotext);
6053     infotext[max_infotext_len] = '\0';
6054
6055     /* determine horizontal position to the right of specified gadget */
6056     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6057     {
6058       int gadget_id_align = textbutton_info[i].gadget_id_align;
6059
6060       x = right_gadget_border[gadget_id_align] + gadget_distance;
6061
6062       if (textbutton_info[i].y == -1)
6063         y = level_editor_gadget[gadget_id_align]->y;
6064     }
6065
6066     /* determine horizontal offset for leading text */
6067     if (textbutton_info[i].text_left != NULL)
6068       x += getTextWidthForGadget(textbutton_info[i].text_left);
6069
6070     gi = CreateGadget(GDI_CUSTOM_ID, id,
6071                       GDI_CUSTOM_TYPE_ID, i,
6072                       GDI_INFO_TEXT, infotext,
6073                       GDI_X, x,
6074                       GDI_Y, y,
6075                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6076                       GDI_TEXT_VALUE, textbutton_info[i].text,
6077                       GDI_TEXT_SIZE, textbutton_info[i].size,
6078                       GDI_TEXT_FONT, FONT_INPUT_2,
6079                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6080                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6081                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6082                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6083                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6084                       GDI_DESIGN_WIDTH, gd->width,
6085                       GDI_DECORATION_SHIFTING, 1, 1,
6086                       GDI_EVENT_MASK, event_mask,
6087                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6088                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6089                       GDI_END);
6090
6091     if (gi == NULL)
6092       Error(ERR_EXIT, "cannot create gadget");
6093
6094     level_editor_gadget[id] = gi;
6095     right_gadget_border[id] =
6096       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6097   }
6098 }
6099
6100 static void CreateGraphicbuttonGadgets()
6101 {
6102   struct GadgetInfo *gi;
6103   unsigned int event_mask;
6104   int i;
6105
6106   /* create buttons for scrolling of drawing area and element list */
6107   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6108   {
6109     int id = graphicbutton_info[i].gadget_id;
6110     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6111     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6112     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6113     int gd_x1 = gd->src_x;
6114     int gd_y1 = gd->src_y;
6115     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6116     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6117
6118     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6119
6120     /* determine horizontal position to the right of specified gadget */
6121     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6122       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6123            ED_GADGET_TEXT_DISTANCE);
6124
6125     /* determine horizontal offset for leading text */
6126     if (graphicbutton_info[i].text_left != NULL)
6127       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6128
6129     gi = CreateGadget(GDI_CUSTOM_ID, id,
6130                       GDI_CUSTOM_TYPE_ID, i,
6131                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6132                       GDI_X, x,
6133                       GDI_Y, y,
6134                       GDI_WIDTH, gd->width,
6135                       GDI_HEIGHT, gd->height,
6136                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6137                       GDI_STATE, GD_BUTTON_UNPRESSED,
6138                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6139                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6140                       GDI_EVENT_MASK, event_mask,
6141                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6142                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6143                       GDI_END);
6144
6145     if (gi == NULL)
6146       Error(ERR_EXIT, "cannot create gadget");
6147
6148     level_editor_gadget[id] = gi;
6149     right_gadget_border[id] =
6150       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6151   }
6152 }
6153
6154 static void CreateScrollbarGadgets()
6155 {
6156   int i;
6157
6158   /* these values are not constant, but can change at runtime */
6159   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6160     SX + ED_SCROLL_HORIZONTAL_XPOS;
6161   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6162     SY + ED_SCROLL_HORIZONTAL_YPOS;
6163   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6164     ED_SCROLL_HORIZONTAL_XSIZE;
6165   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6166     ED_SCROLL_HORIZONTAL_YSIZE;
6167   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6168   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6169   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6170   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6171
6172   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6173     SX + ED_SCROLL_VERTICAL_XPOS;
6174   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6175     SY + ED_SCROLL_VERTICAL_YPOS;
6176   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6177     ED_SCROLL_VERTICAL_XSIZE;
6178   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6179     ED_SCROLL_VERTICAL_YSIZE;
6180   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6181   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6182   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6183   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6184
6185   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6186     DX + ED_SCROLL2_VERTICAL_XPOS;
6187   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6188     DY + ED_SCROLL2_VERTICAL_YPOS;
6189   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6190     ED_SCROLL2_VERTICAL_XSIZE;
6191   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6192     ED_SCROLL2_VERTICAL_YSIZE;
6193   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6194   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6195   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6196   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6197
6198   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6199   {
6200     int id = scrollbar_info[i].gadget_id;
6201     int graphic = scrollbar_info[i].graphic;
6202     struct GraphicInfo *gd = &graphic_info[graphic];
6203     int gd_x1 = gd->src_x;
6204     int gd_y1 = gd->src_y;
6205     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6206     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6207     struct GadgetInfo *gi;
6208     int items_max, items_visible, item_position;
6209     unsigned int event_mask;
6210
6211     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6212     {
6213       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6214       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6215       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6216     }
6217     else        /* drawing area scrollbars */
6218     {
6219       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6220       {
6221         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6222         items_visible = ed_fieldx;
6223         item_position = 0;
6224       }
6225       else
6226       {
6227         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6228         items_visible = ed_fieldy;
6229         item_position = 0;
6230       }
6231     }
6232
6233     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6234
6235     gi = CreateGadget(GDI_CUSTOM_ID, id,
6236                       GDI_CUSTOM_TYPE_ID, i,
6237                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6238                       GDI_X, scrollbar_pos[i].x,
6239                       GDI_Y, scrollbar_pos[i].y,
6240                       GDI_WIDTH, scrollbar_pos[i].width,
6241                       GDI_HEIGHT, scrollbar_pos[i].height,
6242                       GDI_TYPE, scrollbar_info[i].type,
6243                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6244                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6245                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6246                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6247                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6248                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6249                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6250                       GDI_STATE, GD_BUTTON_UNPRESSED,
6251                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6252                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6253                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6254                       GDI_EVENT_MASK, event_mask,
6255                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6256                       GDI_CALLBACK_ACTION, HandleControlButtons,
6257                       GDI_END);
6258
6259     if (gi == NULL)
6260       Error(ERR_EXIT, "cannot create gadget");
6261
6262     level_editor_gadget[id] = gi;
6263   }
6264 }
6265
6266 static void CreateCheckbuttonGadgets()
6267 {
6268   struct GadgetInfo *gi;
6269   unsigned int event_mask;
6270   int i;
6271
6272   event_mask = GD_EVENT_PRESSED;
6273
6274   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6275   {
6276     int id = checkbutton_info[i].gadget_id;
6277     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6278                    IMG_EDITOR_CHECKBOX);
6279     struct GraphicInfo *gd = &graphic_info[graphic];
6280     int gd_x1 = gd->src_x;
6281     int gd_y1 = gd->src_y;
6282     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6283     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6284     int gd_x1a = gd->src_x + gd->active_xoffset;
6285     int gd_y1a = gd->src_y + gd->active_yoffset;
6286     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6287     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6288     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6289     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6290
6291     /* determine horizontal position to the right of specified gadget */
6292     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6293       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6294            ED_GADGET_TEXT_DISTANCE);
6295
6296     /* determine horizontal offset for leading text */
6297     if (checkbutton_info[i].text_left != NULL)
6298       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6299
6300     gi = CreateGadget(GDI_CUSTOM_ID, id,
6301                       GDI_CUSTOM_TYPE_ID, i,
6302                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6303                       GDI_X, x,
6304                       GDI_Y, y,
6305                       GDI_WIDTH, gd->width,
6306                       GDI_HEIGHT, gd->height,
6307                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6308                       GDI_CHECKED, *checkbutton_info[i].value,
6309                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6310                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6311                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6312                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6313                       GDI_EVENT_MASK, event_mask,
6314                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6315                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6316                       GDI_END);
6317
6318     if (gi == NULL)
6319       Error(ERR_EXIT, "cannot create gadget");
6320
6321     level_editor_gadget[id] = gi;
6322     right_gadget_border[id] =
6323       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6324   }
6325 }
6326
6327 static void CreateRadiobuttonGadgets()
6328 {
6329   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6330   int gd_x1 = gd->src_x;
6331   int gd_y1 = gd->src_y;
6332   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6333   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6334   int gd_x1a = gd->src_x + gd->active_xoffset;
6335   int gd_y1a = gd->src_y + gd->active_yoffset;
6336   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6337   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6338   struct GadgetInfo *gi;
6339   unsigned int event_mask;
6340   int i;
6341
6342   event_mask = GD_EVENT_PRESSED;
6343
6344   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6345   {
6346     int id = radiobutton_info[i].gadget_id;
6347     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6348     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6349
6350     int checked =
6351       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6352
6353     /* determine horizontal position to the right of specified gadget */
6354     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6355       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6356            ED_GADGET_TEXT_DISTANCE);
6357
6358     /* determine horizontal offset for leading text */
6359     if (radiobutton_info[i].text_left != NULL)
6360       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6361
6362     gi = CreateGadget(GDI_CUSTOM_ID, id,
6363                       GDI_CUSTOM_TYPE_ID, i,
6364                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6365                       GDI_X, x,
6366                       GDI_Y, y,
6367                       GDI_WIDTH, gd->width,
6368                       GDI_HEIGHT, gd->height,
6369                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6370                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6371                       GDI_CHECKED, checked,
6372                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6373                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6374                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6375                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6376                       GDI_EVENT_MASK, event_mask,
6377                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6378                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6379                       GDI_END);
6380
6381     if (gi == NULL)
6382       Error(ERR_EXIT, "cannot create gadget");
6383
6384     level_editor_gadget[id] = gi;
6385     right_gadget_border[id] =
6386       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6387   }
6388 }
6389
6390 void CreateLevelEditorGadgets()
6391 {
6392   int old_game_status = game_status;
6393
6394   /* setting 'game_status' is needed to get the right fonts for the editor */
6395   game_status = GAME_MODE_EDITOR;
6396
6397   /* these values are not constant, but can change at runtime */
6398   ed_fieldx = MAX_ED_FIELDX - 1;
6399   ed_fieldy = MAX_ED_FIELDY - 1;
6400
6401   num_editor_gadgets = NUM_EDITOR_GADGETS;
6402
6403   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6404
6405   level_editor_gadget =
6406     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6407   right_gadget_border =
6408     checked_calloc(num_editor_gadgets * sizeof(int));
6409
6410   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6411   editor_el_empty_ptr = editor_el_empty;
6412
6413   ReinitializeElementList();
6414
6415   CreateControlButtons();
6416   CreateScrollbarGadgets();
6417
6418   /* order of function calls is important because of cross-references */
6419   CreateCheckbuttonGadgets();
6420   CreateCounterButtons();
6421   CreateRadiobuttonGadgets();
6422   CreateTextInputGadgets();
6423   CreateTextAreaGadgets();
6424   CreateSelectboxGadgets();
6425   CreateGraphicbuttonGadgets();
6426   CreateTextbuttonGadgets();
6427   CreateDrawingAreas();
6428
6429   game_status = old_game_status;
6430 }
6431
6432 void FreeLevelEditorGadgets()
6433 {
6434   int i;
6435
6436   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6437
6438   for (i = 0; i < num_editor_gadgets; i++)
6439   {
6440     FreeGadget(level_editor_gadget[i]);
6441
6442     level_editor_gadget[i] = NULL;
6443   }
6444
6445   checked_free(level_editor_gadget);
6446   checked_free(right_gadget_border);
6447
6448   checked_free(editor_el_empty);
6449 }
6450
6451 static void MapCounterButtons(int id)
6452 {
6453   int font_nr = FONT_TEXT_1;
6454   int font_height = getFontHeight(font_nr);
6455   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6456   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6457   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6458   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6459   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6460   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6461   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6462   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6463   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6464   int yoffset = (gi_down->height - font_height) / 2;
6465   int x_left = gi_down->x - xoffset_left;
6466   int x_right;  /* set after gadget position was modified */
6467   int y_above = gi_down->y - yoffset_above;
6468   int x = gi_down->x;
6469   int y;        /* set after gadget position was modified */
6470
6471   /* counter limits must be changed first to prevent value truncation */
6472   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6473                             counterbutton_info[id].max_value);
6474
6475   /* right text position might have changed after setting position above */
6476   x_right = gi_up->x + gi_up->width + xoffset_right;
6477
6478   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6479
6480   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6481   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6482       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6483   {
6484     ModifyGadget(gi_down, GDI_Y,
6485                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6486     ModifyGadget(gi_text, GDI_Y,
6487                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6488     ModifyGadget(gi_up,   GDI_Y,
6489                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6490   }
6491
6492   /* vertical position might have changed after setting position above */
6493   y = gi_up->y + yoffset;
6494
6495   if (counterbutton_info[id].text_above)
6496     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6497
6498   if (counterbutton_info[id].text_left)
6499     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6500
6501   if (counterbutton_info[id].text_right)
6502     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6503
6504   MapGadget(gi_down);
6505   MapGadget(gi_text);
6506   MapGadget(gi_up);
6507 }
6508
6509 static void MapControlButtons()
6510 {
6511   int counter_id;
6512   int i;
6513
6514   /* map toolbox buttons (excluding special CE toolbox buttons) */
6515   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6516     MapGadget(level_editor_gadget[i]);
6517
6518   /* map toolbox buttons (element properties button) */
6519   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6520
6521   /* map buttons to select elements */
6522   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6523     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6524   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6525   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6526   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6527
6528   /* map buttons to select level */
6529   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6530   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6531   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6532   MapCounterButtons(counter_id);
6533 }
6534
6535 static void MapDrawingArea(int id)
6536 {
6537   int font_nr = FONT_TEXT_1;
6538   int font_height = getFontHeight(font_nr);
6539   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6540   int area_xsize = gi->drawing.area_xsize;
6541   int area_ysize = gi->drawing.area_ysize;
6542   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6543   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6544   int x_left  = gi->x - xoffset_left;
6545   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6546   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6547   int y_side  = gi->y + (gi->height - font_height) / 2;
6548   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6549
6550   if (drawingarea_info[id].text_left)
6551     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6552
6553   if (drawingarea_info[id].text_right)
6554     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6555
6556   if (drawingarea_info[id].text_below)
6557     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6558
6559   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6560   {
6561     DrawElementBorder(gi->x, gi->y,
6562                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
6563                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
6564
6565     DrawDrawingArea(id);
6566   }
6567
6568   MapGadget(gi);
6569 }
6570
6571 static void MapTextInputGadget(int id)
6572 {
6573   int font_nr = FONT_TEXT_1;
6574   int font_height = getFontHeight(font_nr);
6575   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6576   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6577   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6578   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6579
6580   if (textinput_info[id].text_above)
6581     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6582
6583   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6584
6585   MapGadget(gi);
6586 }
6587
6588 static void MapTextAreaGadget(int id)
6589 {
6590   int font_nr = FONT_TEXT_1;
6591   int font_height = getFontHeight(font_nr);
6592   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6593   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6594   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6595   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6596
6597   if (textarea_info[id].text_above)
6598     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6599
6600   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6601
6602   MapGadget(gi);
6603 }
6604
6605 static void MapSelectboxGadget(int id)
6606 {
6607   int font_nr = FONT_TEXT_1;
6608   int font_height = getFontHeight(font_nr);
6609   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6610   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6611   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6612   int yoffset = (gi->height - font_height) / 2;
6613   int x_left = gi->x - xoffset_left;
6614   int x_right = gi->x + gi->width + xoffset_right;
6615   int y = gi->y + yoffset;
6616
6617   if (selectbox_info[id].text_left)
6618     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6619
6620   if (selectbox_info[id].text_right)
6621     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6622
6623   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6624
6625   MapGadget(gi);
6626 }
6627
6628 static void MapTextbuttonGadget(int id)
6629 {
6630   int font_nr = FONT_TEXT_1;
6631   int font_height = getFontHeight(font_nr);
6632   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6633   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6634   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6635   int yoffset = (gi->height - font_height) / 2;
6636   int x_left = gi->x - xoffset_left;
6637   int x_right = gi->x + gi->width + xoffset_right;
6638   int y = gi->y + yoffset;
6639
6640   /* only show button to delete change pages when more than minimum pages */
6641   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6642       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6643     return;
6644
6645   if (textbutton_info[id].text_left)
6646     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6647
6648   if (textbutton_info[id].text_right)
6649     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6650
6651   MapGadget(gi);
6652 }
6653
6654 static void MapGraphicbuttonGadget(int id)
6655 {
6656   int font_nr = FONT_TEXT_1;
6657   int font_height = getFontHeight(font_nr);
6658   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6659   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6660   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6661   int yoffset = (gi->height - font_height) / 2;
6662   int x_left = gi->x - xoffset_left;
6663   int x_right = gi->x + gi->width + xoffset_right;
6664   int y = gi->y + yoffset;
6665
6666   if (graphicbutton_info[id].text_left)
6667     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6668
6669   if (graphicbutton_info[id].text_right)
6670     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6671
6672   MapGadget(gi);
6673 }
6674
6675 static void MapRadiobuttonGadget(int id)
6676 {
6677   int font_nr = FONT_TEXT_1;
6678   int font_height = getFontHeight(font_nr);
6679   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6680   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6681   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6682   int yoffset = (gi->height - font_height) / 2;
6683   int x_left = gi->x - xoffset_left;
6684   int x_right = gi->x + gi->width + xoffset_right;
6685   int y = gi->y + yoffset;
6686   boolean checked =
6687     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6688
6689   if (radiobutton_info[id].text_left)
6690     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6691
6692   if (radiobutton_info[id].text_right)
6693     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6694
6695   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6696
6697   MapGadget(gi);
6698 }
6699
6700 static void MapCheckbuttonGadget(int id)
6701 {
6702   int font_nr = FONT_TEXT_1;
6703   int font_height = getFontHeight(font_nr);
6704   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6705   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6706   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6707   int yoffset = (gi->height - font_height) / 2;
6708   int x_left, x_right, y;       /* set after gadget position was modified */
6709
6710   /* set position for gadgets with dynamically determined position */
6711   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6712     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6713   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6714
6715   x_left = gi->x - xoffset_left;
6716   x_right = gi->x + gi->width + xoffset_right;
6717   y = gi->y + yoffset;
6718
6719   if (checkbutton_info[id].text_left)
6720     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6721
6722   if (checkbutton_info[id].text_right)
6723     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6724
6725   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6726
6727   MapGadget(gi);
6728 }
6729
6730 static void MapMainDrawingArea()
6731 {
6732   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6733   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6734   int i;
6735
6736   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6737   {
6738     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6739           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6740          no_horizontal_scrollbar) ||
6741         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6742           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6743          no_vertical_scrollbar))
6744       continue;
6745
6746     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6747   }
6748
6749   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6750   {
6751     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6752         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6753       continue;
6754
6755     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6756   }
6757
6758   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6759 }
6760
6761 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6762 {
6763   int i;
6764
6765   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6766   {
6767     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6768         i == GADGET_ID_CUSTOM_COPY_TO ||
6769         i == GADGET_ID_CUSTOM_EXCHANGE ||
6770         i == GADGET_ID_CUSTOM_COPY ||
6771         i == GADGET_ID_CUSTOM_PASTE)
6772     {
6773       if (map)
6774         MapGadget(level_editor_gadget[i]);
6775       else
6776         UnmapGadget(level_editor_gadget[i]);
6777     }
6778   }
6779 }
6780
6781 static void MapLevelEditorToolboxCustomGadgets()
6782 {
6783   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6784 }
6785
6786 static void UnmapLevelEditorToolboxCustomGadgets()
6787 {
6788   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6789 }
6790
6791 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6792 {
6793   int i;
6794
6795   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6796   {
6797     if (i != GADGET_ID_SINGLE_ITEMS &&
6798         i != GADGET_ID_PICK_ELEMENT)
6799     {
6800       struct GadgetInfo *gi = level_editor_gadget[i];
6801
6802       if (map)
6803       {
6804         MapGadget(gi);
6805       }
6806       else
6807       {
6808         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6809         struct GraphicInfo *gd = &graphic_info[graphic];
6810
6811         UnmapGadget(gi);
6812
6813         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6814                    gi->width, gi->height, gi->x, gi->y);
6815
6816         redraw_mask |= REDRAW_DOOR_3;
6817       }
6818     }
6819   }
6820 }
6821
6822 static void MapLevelEditorToolboxDrawingGadgets()
6823 {
6824   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6825 }
6826
6827 static void UnmapLevelEditorToolboxDrawingGadgets()
6828 {
6829   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6830 }
6831
6832 static void UnmapDrawingArea(int id)
6833 {
6834   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6835 }
6836
6837 static void UnmapLevelEditorFieldGadgets()
6838 {
6839   int i;
6840
6841   for (i = 0; i < num_editor_gadgets; i++)
6842     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6843                           level_editor_gadget[i]->y))
6844       UnmapGadget(level_editor_gadget[i]);
6845 }
6846
6847 void UnmapLevelEditorGadgets()
6848 {
6849   int i;
6850
6851   for (i = 0; i < num_editor_gadgets; i++)
6852     UnmapGadget(level_editor_gadget[i]);
6853 }
6854
6855 static void ResetUndoBuffer()
6856 {
6857   undo_buffer_position = -1;
6858   undo_buffer_steps = -1;
6859   redo_buffer_steps = 0;
6860
6861   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6862
6863   level.changed = FALSE;
6864 }
6865
6866 static void DrawEditModeWindow()
6867 {
6868   ModifyEditorElementList();
6869   RedrawDrawingElements();
6870
6871   if (edit_mode == ED_MODE_INFO)
6872     DrawLevelInfoWindow();
6873   else if (edit_mode == ED_MODE_PROPERTIES)
6874     DrawPropertiesWindow();
6875   else  /* edit_mode == ED_MODE_DRAWING */
6876     DrawDrawingWindow();
6877 }
6878
6879 static boolean LevelChanged()
6880 {
6881   boolean field_changed = FALSE;
6882   int x, y;
6883
6884   for (y = 0; y < lev_fieldy; y++)
6885     for (x = 0; x < lev_fieldx; x++)
6886       if (Feld[x][y] != level.field[x][y])
6887         field_changed = TRUE;
6888
6889   return (level.changed || field_changed);
6890 }
6891
6892 static boolean PrepareSavingIntoPersonalLevelSet()
6893 {
6894   static LevelDirTree *last_copied_leveldir = NULL;
6895   static LevelDirTree *last_written_leveldir = NULL;
6896   static int last_copied_level_nr = -1;
6897   static int last_written_level_nr = -1;
6898   LevelDirTree *leveldir_former = leveldir_current;
6899   int level_nr_former = level_nr;
6900   int new_level_nr;
6901
6902   // remember last mod/save so that for current session, we write
6903   // back to the same personal copy, asking only about overwrite.
6904   if (leveldir_current == last_copied_leveldir &&
6905       level_nr == last_copied_level_nr)
6906   {
6907     // "cd" to personal level set dir (as used when writing last copy)
6908     leveldir_current = last_written_leveldir;
6909     level_nr = last_written_level_nr;
6910
6911     return TRUE;
6912   }
6913
6914   if (!Request("This level is read only! "
6915                "Save into personal level set?", REQ_ASK))
6916     return FALSE;
6917
6918   // "cd" to personal level set dir (for writing copy the first time)
6919   leveldir_current =
6920     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6921
6922   // find unused level number
6923   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6924   {
6925     static char *level_filename = NULL;
6926
6927     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6928
6929     if (!fileExists(level_filename))
6930       break;
6931   }
6932
6933   last_copied_leveldir = leveldir_former;
6934   last_copied_level_nr = level_nr_former;
6935
6936   last_written_leveldir = leveldir_current;
6937   last_written_level_nr = level_nr = new_level_nr;
6938
6939   return TRUE;
6940 }
6941
6942 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6943 {
6944   static char *filename_levelinfo = NULL, *mod_name = NULL;
6945   FILE *file;
6946
6947   // annotate this copy-and-mod in personal levelinfo.conf
6948   setString(&filename_levelinfo,
6949             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6950
6951   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6952   {
6953     fprintf(file, "\n");
6954     fprintf(file, "# level %d was modified from:\n", level_nr);
6955     fprintf(file, "# - previous level set name:    %s\n",
6956             former_name);
6957     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6958             level.file_info.nr, level.name);
6959     fprintf(file, "# - previous author:            %s\n",
6960             level.author);
6961     fprintf(file, "# - previous save date:         ");
6962
6963     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6964     {
6965       fprintf(file, "%04d-%02d-%02d\n",
6966               level.creation_date.year,
6967               level.creation_date.month,
6968               level.creation_date.day);
6969     }
6970     else
6971     {
6972       fprintf(file, "not recorded\n");
6973     }
6974
6975     fclose(file);
6976   }
6977
6978   if (level_nr > leveldir_current->last_level)
6979   {
6980     static char *temp_levelinfo = NULL;
6981     FILE *temp_file = NULL;
6982     char line[MAX_LINE_LEN];
6983
6984     setString(&temp_levelinfo,
6985               getPath2(getCurrentLevelDir(),
6986                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6987
6988     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6989         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6990     {
6991       while (fgets(line, MAX_LINE_LEN, file))
6992       {
6993         if (!strPrefix(line, "levels:"))
6994           fputs(line, temp_file);
6995         else
6996           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
6997       }
6998     }
6999
7000     if (temp_file)
7001       fclose(temp_file);
7002
7003     if (file)
7004       fclose(file);
7005
7006     // needs error handling; also, ok on dos/win?
7007     unlink(filename_levelinfo);
7008     rename(temp_levelinfo, filename_levelinfo);
7009   }
7010
7011   // else: allow the save even if annotation failed
7012
7013   // now... spray graffiti on the old level vital statistics
7014   // user can change these; just trying to set a good baseline
7015
7016   // don't truncate names for fear of making offensive or silly:
7017   // long-named original author only recorded in levelinfo.conf.
7018   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7019   if (!strEqual(level.author, leveldir_current->author))
7020   {
7021     setString(&mod_name, getStringCat3(leveldir_current->author,
7022                                        " after ", level.author));
7023
7024     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7025       setString(&mod_name,
7026                 getStringCat2(leveldir_current->author, " (ed.)"));
7027
7028     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7029       setString(&mod_name, leveldir_current->author);
7030
7031     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7032
7033     // less worried about truncation here
7034     setString(&mod_name, getStringCat2("Mod: ", level.name));
7035     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7036   }
7037 }
7038
7039 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7040                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7041 {
7042   int x, y;
7043
7044   for (x = 0; x < lev_fieldx; x++)
7045     for (y = 0; y < lev_fieldy; y++)
7046       dst[x][y] = src[x][y];
7047 }
7048
7049 static int setSelectboxValue(int selectbox_id, int new_value)
7050 {
7051   int new_index_value = 0;
7052   int i;
7053
7054   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7055     if (selectbox_info[selectbox_id].options[i].value == new_value)
7056       new_index_value = i;
7057
7058   *selectbox_info[selectbox_id].value =
7059     selectbox_info[selectbox_id].options[new_index_value].value;
7060
7061   return new_index_value;
7062 }
7063
7064 static void setSelectboxSpecialActionVariablesIfNeeded()
7065 {
7066   int i;
7067
7068   /* change action mode and arg variables according to action type variable */
7069   for (i = 0; action_arg_options[i].value != -1; i++)
7070   {
7071     if (action_arg_options[i].value == custom_element_change.action_type)
7072     {
7073       int mode = action_arg_options[i].mode;
7074
7075       /* only change if corresponding selectbox has changed */
7076       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7077           action_arg_modes[mode])
7078         custom_element_change.action_mode = -1;
7079
7080       /* only change if corresponding selectbox has changed */
7081       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7082           action_arg_options[i].options)
7083         custom_element_change.action_arg = -1;
7084
7085       break;
7086     }
7087   }
7088 }
7089
7090 static void setSelectboxSpecialActionOptions()
7091 {
7092   int i;
7093
7094   /* change action mode and arg selectbox according to action type selectbox */
7095   for (i = 0; action_arg_options[i].value != -1; i++)
7096   {
7097     if (action_arg_options[i].value == custom_element_change.action_type)
7098     {
7099       int mode = action_arg_options[i].mode;
7100
7101       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7102                                    action_arg_modes[mode]);
7103       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7104                                  custom_element_change.action_mode);
7105
7106       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7107                                    action_arg_options[i].options);
7108       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7109                                  custom_element_change.action_arg);
7110       break;
7111     }
7112   }
7113 }
7114
7115 static void copy_custom_element_settings(int element_from, int element_to)
7116 {
7117   struct ElementInfo *ei_from = &element_info[element_from];
7118   struct ElementInfo *ei_to = &element_info[element_to];
7119
7120   copyElementInfo(ei_from, ei_to);
7121 }
7122
7123 static void replace_custom_element_in_settings(int element_from,
7124                                                int element_to)
7125 {
7126   int i, j, x, y;
7127
7128   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7129   {
7130     struct ElementInfo *ei = &element_info[i];
7131
7132     for (y = 0; y < 3; y++)
7133       for (x = 0; x < 3; x++)
7134         if (ei->content.e[x][y] == element_from)
7135           ei->content.e[x][y] = element_to;
7136
7137     for (j = 0; j < ei->num_change_pages; j++)
7138     {
7139       struct ElementChangeInfo *change = &ei->change_page[j];
7140
7141       if (change->target_element == element_from)
7142         change->target_element = element_to;
7143
7144       if (change->initial_trigger_element == element_from)
7145         change->initial_trigger_element = element_to;
7146
7147       if (change->action_element == element_from)
7148         change->action_element = element_to;
7149
7150       for (y = 0; y < 3; y++)
7151         for (x = 0; x < 3; x++)
7152           if (change->target_content.e[x][y] == element_from)
7153             change->target_content.e[x][y] = element_to;
7154     }
7155
7156     if (ei->group != NULL)                              /* group or internal */
7157       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7158         if (ei->group->element[j] == element_from)
7159           ei->group->element[j] = element_to;
7160   }
7161 }
7162
7163 static void replace_custom_element_in_playfield(int element_from,
7164                                                 int element_to)
7165 {
7166   int x, y;
7167
7168   for (x = 0; x < lev_fieldx; x++)
7169     for (y = 0; y < lev_fieldy; y++)
7170       if (Feld[x][y] == element_from)
7171         Feld[x][y] = element_to;
7172 }
7173
7174 static boolean CopyCustomElement(int element_old, int element_new,
7175                                  int copy_mode)
7176 {
7177   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7178   {
7179     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7180                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7181     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7182   }
7183   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7184   {
7185     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7186                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7187     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7188
7189     level.changed = TRUE;
7190   }
7191   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7192   {
7193     Request("Please choose custom element!", REQ_CONFIRM);
7194
7195     return FALSE;
7196   }
7197   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7198   {
7199     Request("Please choose group element!", REQ_CONFIRM);
7200
7201     return FALSE;
7202   }
7203   else
7204   {
7205     level.changed = TRUE;
7206   }
7207
7208   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7209   {
7210     copy_custom_element_settings(element_new, element_old);
7211   }
7212   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7213   {
7214     copy_custom_element_settings(element_old, element_new);
7215   }
7216   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7217   {
7218     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7219     copy_custom_element_settings(element_new, element_old);
7220     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7221
7222     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7223     replace_custom_element_in_settings(element_new, element_old);
7224     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7225
7226     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7227     replace_custom_element_in_playfield(element_new, element_old);
7228     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7229   }
7230
7231   UpdateCustomElementGraphicGadgets();
7232   DrawPropertiesWindow();
7233
7234   return TRUE;
7235 }
7236
7237 static void CopyCustomElementPropertiesToEditor(int element)
7238 {
7239   int i;
7240   int current_change_page = element_info[element].current_change_page;
7241
7242   /* dynamically (re)build selectbox for selecting change page */
7243   for (i = 0; i < element_info[element].num_change_pages; i++)
7244   {
7245     sprintf(options_change_page_strings[i], "%d", i + 1);
7246
7247     options_change_page[i].value = i;
7248     options_change_page[i].text = options_change_page_strings[i];
7249   }
7250
7251   options_change_page[i].value = -1;
7252   options_change_page[i].text = NULL;
7253
7254   /* needed here to initialize combined element properties */
7255   InitElementPropertiesEngine(level.game_version);
7256
7257   element_info[element].change =
7258     &element_info[element].change_page[current_change_page];
7259
7260   custom_element = element_info[element];
7261   custom_element_change = *element_info[element].change;
7262
7263   /* needed to initially set selectbox options for special action options */
7264   setSelectboxSpecialActionOptions();
7265
7266   /* needed to initially set selectbox value variables to reliable defaults */
7267   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7268     setSelectboxValue(i, *selectbox_info[i].value);
7269
7270   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7271     custom_element_properties[i] = HAS_PROPERTY(element, i);
7272
7273   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7274     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7275
7276   /* ---------- element settings: configure (custom elements) ------------- */
7277
7278   /* set accessible layer selectbox help value */
7279   custom_element.access_type =
7280     (IS_WALKABLE(element) ? EP_WALKABLE :
7281      IS_PASSABLE(element) ? EP_PASSABLE :
7282      custom_element.access_type);
7283   custom_element.access_layer =
7284     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7285      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7286      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7287      custom_element.access_layer);
7288   custom_element.access_protected =
7289     (IS_PROTECTED(element) ? 1 : 0);
7290   custom_element_properties[EP_ACCESSIBLE] =
7291     (IS_ACCESSIBLE_OVER(element) ||
7292      IS_ACCESSIBLE_INSIDE(element) ||
7293      IS_ACCESSIBLE_UNDER(element));
7294
7295   /* set walk-to-object action selectbox help value */
7296   custom_element.walk_to_action =
7297     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7298      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7299      IS_DROPPABLE(element) ? EP_DROPPABLE :
7300      IS_THROWABLE(element) ? EP_THROWABLE :
7301      IS_PUSHABLE(element) ? EP_PUSHABLE :
7302      custom_element.walk_to_action);
7303   custom_element_properties[EP_WALK_TO_OBJECT] =
7304     (IS_DIGGABLE(element) ||
7305      IS_COLLECTIBLE_ONLY(element) ||
7306      IS_DROPPABLE(element) ||
7307      IS_THROWABLE(element) ||
7308      IS_PUSHABLE(element));
7309
7310   /* set smash targets selectbox help value */
7311   custom_element.smash_targets =
7312     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7313      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7314      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7315      custom_element.smash_targets);
7316   custom_element_properties[EP_CAN_SMASH] =
7317     (CAN_SMASH_EVERYTHING(element) ||
7318      CAN_SMASH_ENEMIES(element) ||
7319      CAN_SMASH_PLAYER(element));
7320
7321   /* set deadliness selectbox help value */
7322   custom_element.deadliness =
7323     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7324      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7325      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7326      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7327      custom_element.deadliness);
7328   custom_element_properties[EP_DEADLY] =
7329     (DONT_TOUCH(element) ||
7330      DONT_GET_HIT_BY(element) ||
7331      DONT_COLLIDE_WITH(element) ||
7332      DONT_RUN_INTO(element));
7333
7334   /* ---------- element settings: advanced (custom elements) --------------- */
7335
7336   /* set "change by direct action" selectbox help value */
7337   custom_element_change.direct_action =
7338     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7339      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7340      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7341      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7342      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7343      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7344      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7345      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7346      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7347      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7348      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7349      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7350      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7351      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7352      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7353      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7354      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7355      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7356      custom_element_change.direct_action);
7357
7358   /* set "change by other element action" selectbox help value */
7359   custom_element_change.other_action =
7360     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7361      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7362      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7363      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7364      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7365      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7366      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7367      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7368      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7369      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7370      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7371      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7372      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7373      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7374      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7375      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7376      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7377      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7378      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7379      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7380      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7381      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7382      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7383      custom_element_change.other_action);
7384 }
7385
7386 static void CopyGroupElementPropertiesToEditor(int element)
7387 {
7388   group_element_info = *element_info[element].group;
7389   custom_element = element_info[element];       /* needed for description */
7390 }
7391
7392 static void CopyClassicElementPropertiesToEditor(int element)
7393 {
7394   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7395     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7396       getMoveIntoAcidProperty(&level, element);
7397
7398   if (MAYBE_DONT_COLLIDE_WITH(element))
7399     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7400       getDontCollideWithProperty(&level, element);
7401 }
7402
7403 static void CopyElementPropertiesToEditor(int element)
7404 {
7405   if (IS_CUSTOM_ELEMENT(element))
7406     CopyCustomElementPropertiesToEditor(element);
7407   else if (IS_GROUP_ELEMENT(element))
7408     CopyGroupElementPropertiesToEditor(element);
7409   else
7410     CopyClassicElementPropertiesToEditor(element);
7411 }
7412
7413 static void CopyCustomElementPropertiesToGame(int element)
7414 {
7415   int i;
7416   int access_type_and_layer;
7417
7418   /* mark that this custom element has been modified */
7419   custom_element.modified_settings = TRUE;
7420   level.changed = TRUE;
7421
7422   if (level.use_custom_template)
7423   {
7424     if (Request("Copy and modify level template?", REQ_ASK))
7425     {
7426       level.use_custom_template = FALSE;
7427       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7428                    GDI_CHECKED, FALSE, GDI_END);
7429     }
7430     else
7431     {
7432       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7433
7434       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7435     }
7436   }
7437
7438   element_info[element] = custom_element;
7439   *element_info[element].change = custom_element_change;
7440
7441   /* ---------- element settings: configure (custom elements) ------------- */
7442
7443   /* set accessible property from checkbox and selectbox */
7444   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7445   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7446   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7447   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7448   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7449   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7450   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7451                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7452                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7453   custom_element_properties[access_type_and_layer] =
7454     custom_element_properties[EP_ACCESSIBLE];
7455   custom_element_properties[EP_PROTECTED] =
7456     (custom_element.access_protected != 0 &&
7457      custom_element_properties[EP_ACCESSIBLE]);
7458
7459   /* set walk-to-object property from checkbox and selectbox */
7460   custom_element_properties[EP_DIGGABLE] = FALSE;
7461   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7462   custom_element_properties[EP_DROPPABLE] = FALSE;
7463   custom_element_properties[EP_THROWABLE] = FALSE;
7464   custom_element_properties[EP_PUSHABLE] = FALSE;
7465   custom_element_properties[custom_element.walk_to_action] =
7466     custom_element_properties[EP_WALK_TO_OBJECT];
7467
7468   /* set smash property from checkbox and selectbox */
7469   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7470   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7471   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7472   custom_element_properties[custom_element.smash_targets] =
7473     custom_element_properties[EP_CAN_SMASH];
7474
7475   /* set deadliness property from checkbox and selectbox */
7476   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7477   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7478   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7479   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7480   custom_element_properties[custom_element.deadliness] =
7481     custom_element_properties[EP_DEADLY];
7482
7483   /* ---------- element settings: advanced (custom elements) --------------- */
7484
7485   /* set player change event from checkbox and selectbox */
7486   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7487   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7488   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7489   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7490   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7491   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7492   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7493   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7494   custom_element_change_events[CE_SWITCHED] = FALSE;
7495   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7496   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7497   custom_element_change_events[CE_BLOCKED] = FALSE;
7498   custom_element_change_events[CE_IMPACT] = FALSE;
7499   custom_element_change_events[CE_SMASHED] = FALSE;
7500   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7501   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7502   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7503   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7504   custom_element_change_events[custom_element_change.direct_action] =
7505     custom_element_change_events[CE_BY_DIRECT_ACTION];
7506
7507   /* set other element action change event from checkbox and selectbox */
7508   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7509   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7510   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7511   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7512   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7513   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7514   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7515   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7516   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7517   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7518   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7519   custom_element_change_events[CE_HITTING_X] = FALSE;
7520   custom_element_change_events[CE_DIGGING_X] = FALSE;
7521   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7522   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7523   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7524   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7525   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7526   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7527   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7528   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7529   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7530   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7531   custom_element_change_events[custom_element_change.other_action] =
7532     custom_element_change_events[CE_BY_OTHER_ACTION];
7533
7534   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7535     SET_PROPERTY(element, i, custom_element_properties[i]);
7536
7537   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7538     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7539
7540   /* copy change events also to special level editor variable */
7541   custom_element = element_info[element];
7542   custom_element_change = *element_info[element].change;
7543 }
7544
7545 static void CopyGroupElementPropertiesToGame(int element)
7546 {
7547   element_info[element] = custom_element;
7548   *element_info[element].group = group_element_info;
7549
7550   /* mark that this group element has been modified */
7551   element_info[element].modified_settings = TRUE;
7552   level.changed = TRUE;
7553 }
7554
7555 static void CopyClassicElementPropertiesToGame(int element)
7556 {
7557   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7558     setMoveIntoAcidProperty(&level, element,
7559                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7560
7561   if (MAYBE_DONT_COLLIDE_WITH(element))
7562     setDontCollideWithProperty(&level, element,
7563                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7564 }
7565
7566 static void CopyElementPropertiesToGame(int element)
7567 {
7568   if (IS_CUSTOM_ELEMENT(element))
7569     CopyCustomElementPropertiesToGame(element);
7570   else if (IS_GROUP_ELEMENT(element))
7571     CopyGroupElementPropertiesToGame(element);
7572   else
7573     CopyClassicElementPropertiesToGame(element);
7574 }
7575
7576 void CheckElementDescriptions()
7577 {
7578   int i;
7579
7580   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7581     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7582       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7583 }
7584
7585 static int getMaxEdFieldX(boolean has_scrollbar)
7586 {
7587   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7588   int sxsize = SXSIZE - scrollbar_width;
7589   int max_ed_fieldx = sxsize / ed_tilesize;
7590
7591   return max_ed_fieldx;
7592 }
7593
7594 static int getMaxEdFieldY(boolean has_scrollbar)
7595 {
7596   int infotext_height = INFOTEXT_YSIZE_FULL;
7597   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7598   int sysize = SYSIZE - scrollbar_height - infotext_height;
7599   int max_ed_fieldy = sysize / ed_tilesize;
7600
7601   return max_ed_fieldy;
7602 }
7603
7604 void InitZoomLevelSettings()
7605 {
7606   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7607   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7608 }
7609
7610 static boolean playfield_area_changed = FALSE;
7611
7612 void DrawLevelEd()
7613 {
7614   StopAnimation();
7615
7616   CloseDoor(DOOR_CLOSE_ALL);
7617
7618   FadeOut(REDRAW_FIELD);
7619
7620   /* needed after playing if editor playfield area has different size */
7621   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7622
7623   /* needed if different viewport properties defined for editor */
7624   ChangeViewportPropertiesIfNeeded();
7625
7626   InitZoomLevelSettings();
7627
7628   playfield_area_changed = DrawingAreaChanged();
7629
7630   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7631
7632 #if DEBUG
7633   CheckElementDescriptions();
7634 #endif
7635
7636   if (level_editor_test_game)
7637   {
7638     CopyPlayfield(level.field, Feld);
7639     CopyPlayfield(FieldBackup, level.field);
7640
7641     level_editor_test_game = FALSE;
7642   }
7643   else
7644   {
7645     edit_mode = ED_MODE_DRAWING;
7646     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7647     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7648
7649     ResetUndoBuffer();
7650
7651     level_xpos = -1;
7652     level_ypos = -1;
7653   }
7654
7655   /* needed for gadgets drawn on background (like palette scrollbar) */
7656   SetDoorBackgroundImage(IMG_UNDEFINED);
7657
7658   /* copy default editor door content to main double buffer */
7659   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7660              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7661              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7662              DXSIZE, DYSIZE, DX, DY);
7663
7664   /* draw bigger door */
7665   DrawSpecialEditorDoor();
7666
7667   /* draw new control window */
7668   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7669              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7670              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7671              EXSIZE, EYSIZE, EX, EY);
7672
7673   // redraw_mask |= REDRAW_ALL;
7674
7675   FreeLevelEditorGadgets();
7676   CreateLevelEditorGadgets();
7677
7678   ReinitializeElementList();            /* update dynamic level element list */
7679   ReinitializeElementListButtons();     /* custom element may look different */
7680
7681   InitElementPropertiesGfxElement();
7682
7683   UnmapAllGadgets();
7684   MapControlButtons();
7685
7686   DrawEditModeWindow();
7687
7688   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7689
7690   /* copy actual editor door content to door double buffer for OpenDoor() */
7691   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7692 }
7693
7694 static void AdjustDrawingAreaGadgets()
7695 {
7696   int ed_xsize = lev_fieldx + 2;
7697   int ed_ysize = lev_fieldy + 2;
7698   int max_ed_fieldx = MAX_ED_FIELDX;
7699   int max_ed_fieldy = MAX_ED_FIELDY;
7700   boolean horizontal_scrollbar_needed;
7701   boolean vertical_scrollbar_needed;
7702   int x, y, width, height;
7703
7704   /* check if we need any scrollbars */
7705   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7706   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7707
7708   /* check if we have a smaller editor field because of scrollbars */
7709   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7710   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7711
7712   /* check again if we now need more scrollbars because of less space */
7713   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7714   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7715
7716   /* check if editor field gets even smaller after adding new scrollbars */
7717   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7718   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7719
7720   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7721   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7722
7723   x = SX + ed_fieldx * ed_tilesize;
7724   y = SY + ed_fieldy * ed_tilesize;
7725
7726   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7727   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7728
7729   /* adjust drawing area gadget */
7730   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7731                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7732                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7733                GDI_END);
7734
7735   /* adjust horizontal scrollbar gadgets */
7736   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7737                GDI_Y, y,
7738                GDI_END);
7739   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7740                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7741                GDI_Y, y,
7742                GDI_END);
7743   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7744                GDI_Y, y,
7745                GDI_WIDTH, width,
7746                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7747                GDI_END);
7748
7749   /* adjust vertical scrollbar gadgets */
7750   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7751                GDI_X, x,
7752                GDI_END);
7753   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7754                GDI_X, x,
7755                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7756                GDI_END);
7757   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7758                GDI_X, x,
7759                GDI_HEIGHT, height,
7760                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7761                GDI_END);
7762 }
7763
7764 static void AdjustLevelScrollPosition()
7765 {
7766   if (level_xpos < -1)
7767     level_xpos = -1;
7768   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7769     level_xpos = lev_fieldx - ed_fieldx + 1;
7770   if (lev_fieldx < ed_fieldx - 2)
7771     level_xpos = -1;
7772
7773   if (level_ypos < -1)
7774     level_ypos = -1;
7775   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7776     level_ypos = lev_fieldy - ed_fieldy + 1;
7777   if (lev_fieldy < ed_fieldy - 2)
7778     level_ypos = -1;
7779 }
7780
7781 static void AdjustEditorScrollbar(int id)
7782 {
7783   struct GadgetInfo *gi = level_editor_gadget[id];
7784   int items_max, items_visible, item_position;
7785
7786   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7787   {
7788     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7789     items_visible = ed_fieldx;
7790     item_position = level_xpos + 1;
7791   }
7792   else
7793   {
7794     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7795     items_visible = ed_fieldy;
7796     item_position = level_ypos + 1;
7797   }
7798
7799   if (item_position > items_max - items_visible)
7800     item_position = items_max - items_visible;
7801
7802   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7803                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7804 }
7805
7806 static void AdjustElementListScrollbar()
7807 {
7808   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7809   int items_max, items_visible, item_position;
7810
7811   /* correct position of element list scrollbar */
7812   if (element_shift < 0)
7813     element_shift = 0;
7814   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7815     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7816
7817   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7818   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7819   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7820
7821   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7822                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7823                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7824 }
7825
7826 static void ModifyEditorCounterValue(int counter_id, int new_value)
7827 {
7828   int *counter_value = counterbutton_info[counter_id].value;
7829   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7830   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7831
7832   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7833
7834   if (counter_value != NULL)
7835     *counter_value = gi->textinput.number_value;
7836 }
7837
7838 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7839 {
7840   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7841   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7842
7843   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7844
7845   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7846       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7847   {
7848     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7849     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7850
7851     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7852     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
7853                  GDI_END);
7854   }
7855 }
7856
7857 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7858 {
7859   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7860   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7861   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7862
7863   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7864 }
7865
7866 static void ModifyEditorSelectboxOptions(int selectbox_id,
7867                                          struct ValueTextInfo *options)
7868 {
7869   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7870   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7871
7872   selectbox_info[selectbox_id].options = options;
7873
7874   /* set index to zero -- list may be shorter now (correct later, if needed) */
7875   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7876                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7877 }
7878
7879 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7880 {
7881   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7882   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7883
7884   drawingarea_info[drawingarea_id].area_xsize = xsize;
7885   drawingarea_info[drawingarea_id].area_ysize = ysize;
7886
7887   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7888 }
7889
7890 static void ModifyEditorElementList()
7891 {
7892   int i;
7893
7894   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7895   {
7896     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7897     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7898     struct GadgetDesign *gd = &gi->deco.design;
7899     int element = editor_elements[element_shift + i];
7900
7901     UnmapGadget(gi);
7902
7903     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7904
7905     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7906
7907     MapGadget(gi);
7908   }
7909 }
7910
7911 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7912 {
7913   int graphic = el2edimg(element);
7914   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7915
7916   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7917 }
7918
7919 static void PickDrawingElement(int button, int element)
7920 {
7921   struct
7922   {
7923     int *new_element;
7924     struct EditorPaletteElementInfo *e;
7925   } de, drawing_elements[] =
7926   {
7927     { &new_element1,    &editor.palette.element_left    },
7928     { &new_element2,    &editor.palette.element_middle  },
7929     { &new_element3,    &editor.palette.element_right   },
7930   };
7931
7932   if (button < 1 || button > 3)
7933     return;
7934
7935   de = drawing_elements[button - 1];
7936
7937   DrawDrawingElement((*de.new_element = element), de.e);
7938
7939   redraw_mask |= REDRAW_DOOR_1;
7940 }
7941
7942 static void RedrawDrawingElements()
7943 {
7944   PickDrawingElement(1, new_element1);
7945   PickDrawingElement(2, new_element2);
7946   PickDrawingElement(3, new_element3);
7947 }
7948
7949 static void DrawDrawingWindow()
7950 {
7951   stick_element_properties_window = FALSE;
7952
7953   SetMainBackgroundImage(IMG_UNDEFINED);
7954   ClearField();
7955
7956   UnmapLevelEditorFieldGadgets();
7957   UnmapLevelEditorToolboxCustomGadgets();
7958
7959   AdjustDrawingAreaGadgets();
7960   AdjustLevelScrollPosition();
7961   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7962   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7963
7964   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7965
7966   MapMainDrawingArea();
7967   MapLevelEditorToolboxDrawingGadgets();
7968 }
7969
7970 static int getTabulatorBarWidth()
7971 {
7972   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7973   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7974
7975   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7976 }
7977
7978 static int getTabulatorBarHeight()
7979 {
7980   return ED_TAB_BAR_HEIGHT;
7981 }
7982
7983 static void DrawLevelInfoTabulatorGadgets()
7984 {
7985   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7986   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7987   int gd_x = gd->x + gd_gi1->border.width / 2;
7988   int gd_y = gd->y + gd_gi1->height - 1;
7989   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7990   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
7991   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
7992   int i;
7993
7994   for (i = id_first; i <= id_last; i++)
7995   {
7996     int gadget_id = textbutton_info[i].gadget_id;
7997     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7998     boolean active = (i != edit_mode_levelinfo);
7999
8000     /* draw background line below tabulator button */
8001     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8002
8003     /* draw solid line below inactive tabulator buttons */
8004     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8005       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8006                     ED_GADGET_TINY_DISTANCE, tab_color);
8007
8008     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8009     MapTextbuttonGadget(i);
8010   }
8011
8012   /* draw little border line below tabulator buttons */
8013   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8014     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8015                   ED_GADGET_TINY_DISTANCE,
8016                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8017 }
8018
8019 static void DrawPropertiesTabulatorGadgets()
8020 {
8021   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8022   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8023   int gd_x = gd->x + gd_gi1->border.width / 2;
8024   int gd_y = gd->y + gd_gi1->height - 1;
8025   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8026   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8027   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8028   int i;
8029
8030   /* draw two config tabulators for player elements */
8031   if (ELEM_IS_PLAYER(properties_element))
8032     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8033
8034   /* draw two config and one "change" tabulator for custom elements */
8035   if (IS_CUSTOM_ELEMENT(properties_element))
8036     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8037
8038   for (i = id_first; i <= id_last; i++)
8039   {
8040     int gadget_id = textbutton_info[i].gadget_id;
8041     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8042     boolean active = (i != edit_mode_properties);
8043
8044     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8045     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8046         (ELEM_IS_PLAYER(properties_element) ||
8047          IS_CUSTOM_ELEMENT(properties_element)))
8048       continue;
8049
8050     /* draw background line below tabulator button */
8051     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8052
8053     /* draw solid line below inactive tabulator buttons */
8054     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8055       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8056                     ED_GADGET_TINY_DISTANCE, tab_color);
8057
8058     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8059     MapTextbuttonGadget(i);
8060   }
8061
8062   /* draw little border line below tabulator buttons */
8063   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8064     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8065                   ED_GADGET_TINY_DISTANCE,
8066                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8067 }
8068
8069 static void DrawLevelInfoLevel()
8070 {
8071   int i;
8072
8073   /* draw counter gadgets */
8074   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8075     MapCounterButtons(i);
8076
8077   /* draw selectbox gadgets */
8078   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8079     MapSelectboxGadget(i);
8080
8081   /* draw text input gadgets */
8082   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8083     MapTextInputGadget(i);
8084 }
8085
8086 static void DrawLevelInfoEditor()
8087 {
8088   int i;
8089
8090   /* draw counter gadgets */
8091   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8092     MapCounterButtons(i);
8093
8094   /* draw checkbutton gadgets */
8095   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8096     MapCheckbuttonGadget(i);
8097
8098   /* draw radiobutton gadgets */
8099   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8100     MapRadiobuttonGadget(i);
8101
8102   /* draw drawing area */
8103   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8104 }
8105
8106 static void DrawLevelInfoWindow()
8107 {
8108   char *text = "Global Settings";
8109   int font_nr = FONT_TITLE_1;
8110   struct MenuPosInfo *pos = &editor.level_settings.headline;
8111   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8112   int sy = SY + pos->y;
8113
8114   stick_element_properties_window = FALSE;
8115
8116   UnmapLevelEditorFieldGadgets();
8117
8118   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8119   ClearField();
8120
8121   DrawText(sx, sy, text, font_nr);
8122
8123   DrawLevelInfoTabulatorGadgets();
8124
8125   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8126     DrawLevelInfoLevel();
8127   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8128     DrawLevelInfoEditor();
8129 }
8130
8131 static void DrawCustomContentArea()
8132 {
8133   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8134   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8135   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8136   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8137   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8138   int xoffset = ED_GADGET_SPACE_DISTANCE;
8139
8140   /* add distance for potential left text (without drawing area border) */
8141   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8142
8143   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8144
8145   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8146 }
8147
8148 static void DrawCustomChangeContentArea()
8149 {
8150   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8151   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8152   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8153   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8154   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8155   int xoffset = ED_GADGET_SPACE_DISTANCE;
8156
8157   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8158
8159   MapDrawingArea(id);
8160 }
8161
8162 static void RemoveElementContentArea(int id, int font_height)
8163 {
8164   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8165
8166   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8167                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8168                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8169                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8170                  ED_GADGET_TEXT_DISTANCE + font_height);
8171 }
8172
8173 static void DrawYamYamContentAreas()
8174 {
8175   int font_nr = FONT_TEXT_1;
8176   int font_height = getFontHeight(font_nr);
8177   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8178   int yoffset = (tilesize - font_height) / 2;
8179   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8180   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8181   int i;
8182
8183   /* display counter to choose number of element content areas */
8184   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8185
8186   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8187   {
8188     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8189
8190     if (i < level.num_yamyam_contents)
8191     {
8192       MapDrawingArea(id);
8193     }
8194     else
8195     {
8196       UnmapDrawingArea(id);
8197
8198       /* delete content areas in case of reducing number of them */
8199       RemoveElementContentArea(id, font_height);
8200     }
8201   }
8202
8203   DrawText(x, y + 0 * tilesize, "content", font_nr);
8204   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8205   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8206 }
8207
8208 static void DrawMagicBallContentAreas()
8209 {
8210   int font_nr = FONT_TEXT_1;
8211   int font_height = getFontHeight(font_nr);
8212   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8213   int yoffset = (tilesize - font_height) / 2;
8214   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8215   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8216   int i;
8217
8218   /* display counter to choose number of element content areas */
8219   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8220
8221   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8222   {
8223     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8224
8225     if (i < level.num_ball_contents)
8226     {
8227       MapDrawingArea(id);
8228     }
8229     else
8230     {
8231       UnmapDrawingArea(id);
8232
8233       /* delete content areas in case of reducing number of them */
8234       RemoveElementContentArea(id, font_height);
8235     }
8236   }
8237
8238   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8239   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8240   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8241 }
8242
8243 static void DrawAndroidElementArea(int element)
8244 {
8245   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8246   int num_elements = level.num_android_clone_elements;
8247   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8248   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8249   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8250   int xsize = MAX_ANDROID_ELEMENTS;
8251   int ysize = 1;
8252
8253   /* display counter to choose number of element areas */
8254   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8255
8256   if (drawingarea_info[id].text_left != NULL)
8257     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8258
8259   UnmapDrawingArea(id);
8260
8261   ModifyEditorDrawingArea(id, num_elements, 1);
8262
8263   /* delete content areas in case of reducing number of them */
8264   DrawBackground(sx, sy,
8265                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8266                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8267
8268   MapDrawingArea(id);
8269 }
8270
8271 static void DrawGroupElementArea(int element)
8272 {
8273   int id = ED_DRAWING_ID_GROUP_CONTENT;
8274   int num_elements = group_element_info.num_elements;
8275   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8276   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8277   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8278   int xsize = MAX_ELEMENTS_IN_GROUP;
8279   int ysize = 1;
8280
8281   if (drawingarea_info[id].text_left != NULL)
8282     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8283
8284   UnmapDrawingArea(id);
8285
8286   ModifyEditorDrawingArea(id, num_elements, 1);
8287
8288   /* delete content areas in case of reducing number of them */
8289   DrawBackground(sx, sy,
8290                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8291                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8292
8293   MapDrawingArea(id);
8294 }
8295
8296 static void DrawPlayerInitialInventoryArea(int element)
8297 {
8298   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8299   int player_nr = GET_PLAYER_NR(element);
8300   int num_elements = level.initial_inventory_size[player_nr];
8301   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8302   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8303   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8304   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8305   int ysize = 1;
8306
8307   /* determine horizontal position to the right of specified gadget */
8308   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8309     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8310           ED_DRAWINGAREA_TEXT_DISTANCE);
8311
8312   /* determine horizontal offset for leading text */
8313   if (drawingarea_info[id].text_left != NULL)
8314     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8315
8316   UnmapDrawingArea(id);
8317
8318   ModifyEditorDrawingArea(id, num_elements, 1);
8319
8320   /* delete content areas in case of reducing number of them */
8321   DrawBackground(sx, sy,
8322                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8323                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8324
8325   MapDrawingArea(id);
8326 }
8327
8328 static void DrawEnvelopeTextArea(int envelope_nr)
8329 {
8330   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8331   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8332
8333   UnmapGadget(gi);
8334   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8335
8336   if (envelope_nr != -1)
8337     textarea_info[id].value = level.envelope[envelope_nr].text;
8338
8339   ModifyGadget(gi, GDI_AREA_SIZE,
8340                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8341                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8342                GDI_END);
8343
8344   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8345 }
8346
8347 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8348 {
8349   int font_height = getFontHeight(font_nr);
8350   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8351   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8352   int sx = SX + pad_x;
8353   int sy = SY + pad_y;
8354   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8355
8356   if (start_line >= max_lines_per_screen)
8357     return FALSE;
8358
8359   DrawText(sx, sy + start_line * font_height, text, font_nr);
8360
8361   return TRUE;
8362 }
8363
8364 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8365 {
8366   int font_nr = FONT_TEXT_2;
8367   int font_width = getFontWidth(font_nr);
8368   int font_height = getFontHeight(font_nr);
8369   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8370   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8371   int sx = SX + pad_x;
8372   int sy = SY + pad_y + start_line * font_height;
8373   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8374   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8375   int max_lines_drawable = max_lines_per_screen - start_line;
8376
8377   if (start_line >= max_lines_per_screen)
8378     return FALSE;
8379
8380   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8381                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8382 }
8383
8384 static void DrawPropertiesInfo()
8385 {
8386   static struct
8387   {
8388     int value;
8389     char *text;
8390   }
8391   properties[] =
8392   {
8393     /* configurable properties */
8394
8395     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8396     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8397     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8398     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8399     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8400     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8401     { EP_PROTECTED,             "- player is protected by it"           },
8402
8403     { EP_DIGGABLE,              "- can be digged away"                  },
8404     { EP_COLLECTIBLE,           "- can be collected"                    },
8405     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8406     { EP_THROWABLE,             "- can be thrown after collecting"      },
8407     { EP_PUSHABLE,              "- can be pushed"                       },
8408
8409     { EP_CAN_FALL,              "- can fall"                            },
8410     { EP_CAN_MOVE,              "- can move"                            },
8411
8412     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8413 #if 0
8414     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8415 #endif
8416     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8417
8418     { EP_SLIPPERY,              "- slippery for falling elements"       },
8419     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8420
8421     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8422     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8423     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8424     { EP_DONT_TOUCH,            "- deadly when touching"                },
8425
8426     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8427
8428     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8429     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8430     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8431
8432     { EP_CAN_CHANGE,            "- can change to other element"         },
8433
8434     /* pre-defined properties */
8435     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8436     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8437     { EP_SWITCHABLE,            "- can be switched"                     },
8438 #if 0
8439     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8440 #endif
8441
8442     { -1,                       NULL                                    }
8443   };
8444   char *filename = getElementDescriptionFilename(properties_element);
8445   char *percentage_text = "In this level: ";
8446   char *properties_text = "Standard properties: ";
8447   float percentage;
8448   int num_elements_in_level;
8449   int num_standard_properties = 0;
8450   int font1_nr = FONT_TEXT_1;
8451   int font2_nr = FONT_TEXT_2;
8452   int font1_width = getFontWidth(font1_nr);
8453   int font2_height = getFontHeight(font2_nr);
8454   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8455   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8456   int screen_line = 0;
8457   int i, x, y;
8458
8459   if (setup.editor.show_element_token)
8460   {
8461     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8462               "[%s]", element_info[properties_element].token_name);
8463     screen_line++;
8464   }
8465
8466   /* ----- print number of elements / percentage of this element in level */
8467
8468   num_elements_in_level = 0;
8469   for (y = 0; y < lev_fieldy; y++)
8470     for (x = 0; x < lev_fieldx; x++)
8471       if (Feld[x][y] == properties_element)
8472         num_elements_in_level++;
8473   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8474
8475   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8476             percentage_text);
8477   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8478             pad_y + screen_line++ * font2_height, font2_nr,
8479             "%d (%.2f%%)", num_elements_in_level, percentage);
8480
8481   screen_line++;
8482
8483   /* ----- print standard properties of this element */
8484
8485   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8486             properties_text);
8487
8488   for (i = 0; properties[i].value != -1; i++)
8489   {
8490     if (!HAS_PROPERTY(properties_element, properties[i].value))
8491       continue;
8492
8493     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8494               properties[i].text);
8495     num_standard_properties++;
8496   }
8497
8498   if (num_standard_properties == 0)
8499     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8500               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8501
8502   screen_line++;
8503
8504   /* ----- print special description of this element */
8505
8506   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8507   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8508     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8509 }
8510
8511 #define TEXT_COLLECTING         "Score for collecting"
8512 #define TEXT_SMASHING           "Score for smashing"
8513 #define TEXT_SLURPING           "Score for slurping robot"
8514 #define TEXT_CRACKING           "Score for cracking"
8515 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8516 #define TEXT_DURATION           "Duration when activated"
8517 #define TEXT_BALL_DELAY         "Element generation delay"
8518 #define TEXT_MOVE_SPEED         "Speed of android moving"
8519 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8520 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8521 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8522 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8523 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8524 #define TEXT_TIME_BONUS         "Extra time to solve level"
8525
8526 static struct
8527 {
8528   int element;
8529   int *value;
8530   char *text;
8531 } elements_with_counter[] =
8532 {
8533   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8534   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8535   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8536   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8537   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8538   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8539   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8540   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8541   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8542   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8543   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8544   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8545   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8546   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8547   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8548   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8549   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8550   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8551   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8552   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8553   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8554   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8555   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8556   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8557   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8558   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8559   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8560   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8561   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8562   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8563   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8564   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8565   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8566   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8567   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8568   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8569   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8570   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8571   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8572   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8573   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8574   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8575   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8576   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8577   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8578   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8579   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8580   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8581   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8582   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8583   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8584   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8585   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8586   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8587   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8588   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8589   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8590   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8591   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8592   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8593   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8594   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8595   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8596   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8597   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8598   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8599   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8600   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8601   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8602   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8603   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8604   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8605   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8606   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8607
8608   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8609   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8610   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8611   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8612   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8613   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8614   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8615   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8616   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8617   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8618   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8619   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8620   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8621   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8622   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8623   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8624
8625   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8626   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8627   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8628   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8629   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8630   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8631   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8632   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8633
8634   { -1,                 NULL,                           NULL            }
8635 };
8636
8637 static boolean checkPropertiesConfig(int element)
8638 {
8639   int i;
8640
8641   if (IS_GEM(element) ||
8642       IS_CUSTOM_ELEMENT(element) ||
8643       IS_GROUP_ELEMENT(element) ||
8644       IS_ENVELOPE(element) ||
8645       ELEM_IS_PLAYER(element) ||
8646       HAS_EDITOR_CONTENT(element) ||
8647       CAN_GROW(element) ||
8648       COULD_MOVE_INTO_ACID(element) ||
8649       MAYBE_DONT_COLLIDE_WITH(element) ||
8650       element == EL_SOKOBAN_OBJECT ||
8651       element == EL_SOKOBAN_FIELD_EMPTY ||
8652       element == EL_SOKOBAN_FIELD_FULL)
8653     return TRUE;
8654   else
8655     for (i = 0; elements_with_counter[i].element != -1; i++)
8656       if (elements_with_counter[i].element == element)
8657         return TRUE;
8658
8659   return FALSE;
8660 }
8661
8662 static void DrawPropertiesConfig()
8663 {
8664   boolean draw_footer_line = FALSE;
8665   int max_num_element_counters = 4;
8666   int num_element_counters = 0;
8667   int i;
8668
8669   if (!checkPropertiesConfig(properties_element))
8670   {
8671     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8672
8673     return;
8674   }
8675
8676   /* check if there are elements where a value can be chosen for */
8677   for (i = 0; elements_with_counter[i].element != -1; i++)
8678   {
8679     if (elements_with_counter[i].element == properties_element)
8680     {
8681       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8682
8683       counterbutton_info[counter_id].y =
8684         ED_ELEMENT_SETTINGS_YPOS(
8685                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8686                 (CAN_GROW(properties_element)                ? 1 : 0) +
8687                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8688                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8689                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8690                 num_element_counters);
8691
8692       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8693       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8694
8695       if (properties_element == EL_GAME_OF_LIFE ||
8696           properties_element == EL_BIOMAZE)
8697       {
8698         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8699         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8700       }
8701       else
8702       {
8703         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8704         counterbutton_info[counter_id].min_value = MIN_SCORE;
8705         counterbutton_info[counter_id].max_value = MAX_SCORE;
8706       }
8707
8708       MapCounterButtons(counter_id);
8709
8710       num_element_counters++;
8711       if (num_element_counters >= max_num_element_counters)
8712         break;
8713     }
8714   }
8715
8716   if (HAS_EDITOR_CONTENT(properties_element))
8717   {
8718     /* draw stickybutton gadget */
8719     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8720
8721     if (IS_AMOEBOID(properties_element))
8722       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8723     else if (properties_element == EL_YAMYAM ||
8724              properties_element == EL_YAMYAM_LEFT ||
8725              properties_element == EL_YAMYAM_RIGHT ||
8726              properties_element == EL_YAMYAM_UP ||
8727              properties_element == EL_YAMYAM_DOWN)
8728       DrawYamYamContentAreas();
8729     else if (properties_element == EL_EMC_MAGIC_BALL)
8730     {
8731       DrawMagicBallContentAreas();
8732
8733       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8734       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8735     }
8736     else if (properties_element == EL_EMC_ANDROID)
8737       DrawAndroidElementArea(properties_element);
8738   }
8739
8740   if (ELEM_IS_PLAYER(properties_element))
8741   {
8742     int player_nr = GET_PLAYER_NR(properties_element);
8743
8744     /* these properties can be set for every player individually */
8745
8746     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8747     {
8748       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8749         &level.start_element[player_nr];
8750       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8751         &level.artwork_element[player_nr];
8752       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8753         &level.explosion_element[player_nr];
8754
8755       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8756         &level.use_start_element[player_nr];
8757       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8758         &level.use_artwork_element[player_nr];
8759       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8760         &level.use_explosion_element[player_nr];
8761       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8762         &level.initial_player_gravity[player_nr];
8763
8764       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8765         &level.initial_player_stepsize[player_nr];
8766
8767       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8768       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8769                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8770                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8771       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8772       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8773       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8774       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8775       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8776       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8777       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8778       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8779       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8780
8781       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8782       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8783       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8784
8785       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8786     }
8787     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8788     {
8789       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8790         &level.initial_inventory_content[player_nr][0];
8791
8792       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8793         &level.initial_inventory_size[player_nr];
8794
8795       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8796         &level.use_initial_inventory[player_nr];
8797
8798       /* draw checkbutton gadgets */
8799       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8800
8801       /* draw counter gadgets */
8802       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8803
8804       /* draw drawing area gadgets */
8805       DrawPlayerInitialInventoryArea(properties_element);
8806     }
8807   }
8808
8809   if (IS_GEM(properties_element))
8810     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8811
8812   if (properties_element == EL_EM_DYNAMITE)
8813     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8814
8815   if (COULD_MOVE_INTO_ACID(properties_element) &&
8816       !ELEM_IS_PLAYER(properties_element) &&
8817       (!IS_CUSTOM_ELEMENT(properties_element) ||
8818        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8819   {
8820     /* set position for checkbutton for "can move into acid" */
8821     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8822       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8823     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8824       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8825                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8826
8827     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8828   }
8829
8830   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8831     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8832
8833   if (properties_element == EL_SPRING)
8834     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8835
8836   if (properties_element == EL_TIME_ORB_FULL)
8837     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8838
8839   if (CAN_GROW(properties_element))
8840   {
8841     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8842       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8843
8844     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8845   }
8846
8847   if (properties_element == EL_SOKOBAN_OBJECT ||
8848       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8849       properties_element == EL_SOKOBAN_FIELD_FULL)
8850     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8851
8852   if (IS_ENVELOPE(properties_element))
8853   {
8854     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8855     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8856     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8857     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8858     int envelope_nr = properties_element - EL_ENVELOPE_1;
8859
8860     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8861     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8862
8863     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8864     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8865
8866     /* display counter to choose size of envelope text area */
8867     MapCounterButtons(counter1_id);
8868     MapCounterButtons(counter2_id);
8869
8870     /* display checkbuttons to choose auto-wrap and alignment properties */
8871     MapCheckbuttonGadget(button1_id);
8872     MapCheckbuttonGadget(button2_id);
8873
8874     DrawEnvelopeTextArea(envelope_nr);
8875   }
8876
8877   if (IS_CUSTOM_ELEMENT(properties_element))
8878   {
8879     /* draw stickybutton gadget */
8880     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8881
8882     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8883     {
8884       /* draw checkbutton gadgets */
8885       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8886            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8887         MapCheckbuttonGadget(i);
8888
8889       /* draw counter gadgets */
8890       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8891            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8892         MapCounterButtons(i);
8893
8894       /* draw selectbox gadgets */
8895       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8896            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8897         MapSelectboxGadget(i);
8898
8899       /* draw textbutton gadgets */
8900       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8901
8902       /* draw text input gadgets */
8903       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8904
8905       /* draw drawing area gadgets */
8906       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8907
8908       draw_footer_line = TRUE;
8909     }
8910     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8911     {
8912       /* draw checkbutton gadgets */
8913       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8914            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8915         MapCheckbuttonGadget(i);
8916
8917       /* draw counter gadgets */
8918       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8919            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8920         MapCounterButtons(i);
8921
8922       /* draw selectbox gadgets */
8923       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8924            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8925         MapSelectboxGadget(i);
8926
8927       /* draw drawing area gadgets */
8928       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8929       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8930       DrawCustomContentArea();
8931     }
8932   }
8933   else if (IS_GROUP_ELEMENT(properties_element))
8934   {
8935     /* draw stickybutton gadget */
8936     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8937
8938     /* draw checkbutton gadgets */
8939     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8940     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8941
8942     /* draw counter gadgets */
8943     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8944
8945     /* draw selectbox gadgets */
8946     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8947
8948     /* draw textbutton gadgets */
8949     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8950
8951     /* draw drawing area gadgets */
8952     DrawGroupElementArea(properties_element);
8953
8954     /* draw text input gadgets */
8955     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8956
8957     /* draw drawing area gadgets */
8958     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8959
8960     draw_footer_line = TRUE;
8961   }
8962
8963   /* draw little footer border line above CE/GE use/save template gadgets */
8964   if (draw_footer_line)
8965   {
8966     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8967     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8968     int gd_x = gd->x + gd_gi1->border.width / 2;
8969     int gd_y = gd->y + gd_gi1->height - 1;
8970     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8971
8972     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8973       FillRectangle(drawto,
8974                     SX + ED_ELEMENT_SETTINGS_X(0),
8975                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_GADGET_TAB_DISTANCE -
8976                     ED_TAB_BAR_HEIGHT,
8977                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8978   }
8979 }
8980
8981 static void DrawPropertiesChangeDrawingAreas()
8982 {
8983   if (IS_CUSTOM_ELEMENT(properties_element))
8984   {
8985     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8986     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8987     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8988
8989     DrawCustomChangeContentArea();
8990   }
8991
8992   redraw_mask |= REDRAW_FIELD;
8993 }
8994
8995 static void DrawPropertiesChange()
8996 {
8997   int i;
8998
8999   /* needed to initially set selectbox options for special action options */
9000   setSelectboxSpecialActionOptions();
9001
9002   /* draw stickybutton gadget */
9003   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9004
9005   /* draw checkbutton gadgets */
9006   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9007        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9008     MapCheckbuttonGadget(i);
9009
9010   /* draw counter gadgets */
9011   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9012        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9013     MapCounterButtons(i);
9014
9015   /* draw selectbox gadgets */
9016   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9017        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9018     MapSelectboxGadget(i);
9019
9020   /* draw textbutton gadgets */
9021   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9022        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9023     MapTextbuttonGadget(i);
9024
9025   /* draw graphicbutton gadgets */
9026   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9027        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9028     MapGraphicbuttonGadget(i);
9029
9030   /* draw drawing area gadgets */
9031   DrawPropertiesChangeDrawingAreas();
9032 }
9033
9034 static void DrawEditorElementAnimation(int x, int y)
9035 {
9036   int graphic = el2img(properties_element);
9037   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9038                custom_element.ce_value_fixed_initial :
9039                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9040                custom_element.collect_score_initial : FrameCounter);
9041
9042   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9043 }
9044
9045 static void DrawEditorElementName(int x, int y, int font_nr)
9046 {
9047   char *element_name = getElementInfoText(properties_element);
9048   int font_width = getFontWidth(font_nr);
9049   int font_height = getFontHeight(font_nr);
9050   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9051   int max_chars_per_line = max_text_width / font_width;
9052   char buffer[max_chars_per_line + 1];
9053
9054   if (strlen(element_name) <= max_chars_per_line)
9055     DrawTextS(x, y, font_nr, element_name);
9056   else
9057   {
9058     int next_pos = max_chars_per_line;
9059
9060     strncpy(buffer, element_name, max_chars_per_line);
9061     buffer[max_chars_per_line] = '\0';
9062
9063     if (element_name[max_chars_per_line] == ' ')
9064       next_pos++;
9065     else
9066     {
9067       int i;
9068
9069       for (i = max_chars_per_line - 1; i >= 0; i--)
9070         if (buffer[i] == ' ')
9071           break;
9072
9073       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9074       {
9075         buffer[i] = '\0';
9076         next_pos = i + 1;
9077       }
9078     }
9079
9080     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9081
9082     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9083     buffer[max_chars_per_line] = '\0';
9084
9085     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9086   }
9087 }
9088
9089 static void DrawPropertiesWindow()
9090 {
9091   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9092   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9093   int border_size = gd->border_size;
9094   int font_nr = FONT_TEXT_1;
9095   int font_height = getFontHeight(font_nr);
9096   int x = editor.element_settings.element.x + element_border;
9097   int y = editor.element_settings.element.y + element_border;
9098   int xoffset = TILEX + element_border + 3 * border_size;
9099   int yoffset = (TILEY - font_height) / 2;
9100   char *text = "Element Settings";
9101   int font2_nr = FONT_TITLE_1;
9102   struct MenuPosInfo *pos = &editor.element_settings.headline;
9103   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9104   int sy = SY + pos->y;
9105
9106   stick_element_properties_window = FALSE;
9107
9108   /* make sure that previous properties edit mode exists for this element */
9109   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9110       !IS_CUSTOM_ELEMENT(properties_element))
9111     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9112
9113   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9114       !ELEM_IS_PLAYER(properties_element) &&
9115       !IS_CUSTOM_ELEMENT(properties_element))
9116     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9117
9118   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9119       (ELEM_IS_PLAYER(properties_element) ||
9120        IS_CUSTOM_ELEMENT(properties_element)))
9121     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9122
9123   CopyElementPropertiesToEditor(properties_element);
9124
9125   UnmapLevelEditorFieldGadgets();
9126   UnmapLevelEditorToolboxDrawingGadgets();
9127   UnmapLevelEditorToolboxCustomGadgets();
9128
9129   if (IS_CUSTOM_ELEMENT(properties_element) ||
9130       IS_GROUP_ELEMENT(properties_element))
9131     MapLevelEditorToolboxCustomGadgets();
9132
9133   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9134   ClearField();
9135
9136   DrawText(sx, sy, text, font2_nr);
9137
9138   FrameCounter = 0;     /* restart animation frame counter */
9139
9140   DrawElementBorder(SX + x, SY + y, TILEX, TILEY, FALSE);
9141   DrawEditorElementAnimation(SX + x, SY + y);
9142   DrawEditorElementName(x + xoffset, y + yoffset, font_nr);
9143
9144   DrawPropertiesTabulatorGadgets();
9145
9146   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9147     DrawPropertiesInfo();
9148   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9149     DrawPropertiesChange();
9150   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9151     DrawPropertiesConfig();
9152 }
9153
9154 static void UpdateCustomElementGraphicGadgets()
9155 {
9156   struct ElementInfo *ei = &element_info[properties_element];
9157   int i;
9158
9159   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
9160                      properties_element);
9161
9162   ModifyEditorElementList();
9163   RedrawDrawingElements();
9164
9165   /* force redraw of all mapped drawing area gadgets */
9166   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9167   {
9168     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9169
9170     if (gi->mapped)
9171       MapDrawingArea(i);
9172   }
9173 }
9174
9175 static int getOpenDirectionFromTube(int element)
9176 {
9177   switch (element)
9178   {
9179     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9180     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9181     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9182     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9183     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9184     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9185     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9186     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9187     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9188     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9189     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9190   }
9191
9192   return MV_NONE;
9193 }
9194
9195 static int getTubeFromOpenDirection(int direction)
9196 {
9197   switch (direction)
9198   {
9199     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9200     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9201     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9202     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9203     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9204     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9205     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9206     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9207     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9208     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9209     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9210
9211     /* if only one direction, fall back to simple tube with that direction */
9212     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9213     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9214     case (MV_UP):                       return EL_TUBE_VERTICAL;
9215     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9216   }
9217
9218   return EL_EMPTY;
9219 }
9220
9221 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9222 {
9223   int element_new = getTubeFromOpenDirection(direction);
9224
9225   return (element_new != EL_EMPTY ? element_new : element_old);
9226 }
9227
9228 static int getOpenDirectionFromBelt(int element)
9229 {
9230   int belt_dir = getBeltDirFromBeltElement(element);
9231
9232   return (belt_dir == MV_LEFT ? MV_RIGHT :
9233           belt_dir == MV_RIGHT ? MV_LEFT :
9234           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9235 }
9236
9237 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9238 {
9239   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9240                   direction == MV_RIGHT ? MV_LEFT :
9241                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9242
9243   if (direction == MV_NONE)
9244     return EL_EMPTY;
9245
9246   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9247 }
9248
9249 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9250                                                  int element_old)
9251 {
9252   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9253
9254   return (element_new != EL_EMPTY ? element_new : element_old);
9255 }
9256
9257 static int getOpenDirectionFromPool(int element)
9258 {
9259   switch (element)
9260   {
9261     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9262     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9263     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9264     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9265     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9266     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9267   }
9268
9269   return MV_NONE;
9270 }
9271
9272 static int getPoolFromOpenDirection(int direction)
9273 {
9274   switch (direction)
9275   {
9276     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9277     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9278     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9279     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9280     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9281     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9282   }
9283
9284   return EL_EMPTY;
9285 }
9286
9287 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9288 {
9289   int element = getPoolFromOpenDirection(direction);
9290   int help_direction = getOpenDirectionFromPool(help_element);
9291
9292   if (element == EL_EMPTY)
9293   {
9294     int help_direction_vertical = help_direction & MV_VERTICAL;
9295
9296     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9297   }
9298
9299   if (element == EL_EMPTY)
9300   {
9301     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9302
9303     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9304   }
9305
9306   return element;
9307 }
9308
9309 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9310 {
9311   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9312
9313   return (element_new != EL_EMPTY ? element_new : element_old);
9314 }
9315
9316 static int getOpenDirectionFromPillar(int element)
9317 {
9318   switch (element)
9319   {
9320     case EL_EMC_WALL_1:                 return (MV_DOWN);
9321     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9322     case EL_EMC_WALL_3:                 return (MV_UP);
9323   }
9324
9325   return MV_NONE;
9326 }
9327
9328 static int getPillarFromOpenDirection(int direction)
9329 {
9330   switch (direction)
9331   {
9332     case (MV_DOWN):                     return EL_EMC_WALL_1;
9333     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9334     case (MV_UP):                       return EL_EMC_WALL_3;
9335   }
9336
9337   return EL_EMPTY;
9338 }
9339
9340 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9341 {
9342   int element_new = getPillarFromOpenDirection(direction);
9343
9344   return (element_new != EL_EMPTY ? element_new : element_old);
9345 }
9346
9347 static int getOpenDirectionFromSteel2(int element)
9348 {
9349   switch (element)
9350   {
9351     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9352     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9353     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9354     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9355     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9356     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9357     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9358     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9359   }
9360
9361   return MV_NONE;
9362 }
9363
9364 static int getSteel2FromOpenDirection(int direction)
9365 {
9366   switch (direction)
9367   {
9368     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9369     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9370     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9371     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9372     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9373     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9374     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9375     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9376   }
9377
9378   return EL_EMPTY;
9379 }
9380
9381 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9382 {
9383   int element_new = getSteel2FromOpenDirection(direction);
9384
9385   return (element_new != EL_EMPTY ? element_new : element_old);
9386 }
9387
9388 static int getOpenDirectionFromChip(int element)
9389 {
9390   switch (element)
9391   {
9392     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9393     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9394     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9395     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9396     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9397   }
9398
9399   return MV_NONE;
9400 }
9401
9402 static int getChipFromOpenDirection(int direction)
9403 {
9404   switch (direction)
9405   {
9406     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9407     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9408     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9409     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9410     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9411   }
9412
9413   return EL_EMPTY;
9414 }
9415
9416 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9417 {
9418   int element_new = getChipFromOpenDirection(direction);
9419
9420   return (element_new != EL_EMPTY ? element_new : element_old);
9421 }
9422
9423 static int getClosedTube(int x, int y)
9424 {
9425   static int xy[4][2] =
9426   {
9427     { -1, 0 },
9428     { +1, 0 },
9429     { 0, -1 },
9430     { 0, +1 }
9431   };
9432   int element_old = IntelliDrawBuffer[x][y];
9433   int direction_old = getOpenDirectionFromTube(element_old);
9434   int direction_new = MV_NONE;
9435   int i;
9436
9437   for (i = 0; i < NUM_DIRECTIONS; i++)
9438   {
9439     int xx = x + xy[i][0];
9440     int yy = y + xy[i][1];
9441     int dir = MV_DIR_FROM_BIT(i);
9442     int dir_opposite = MV_DIR_OPPOSITE(dir);
9443
9444     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9445         (direction_old & dir) &&
9446         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9447       direction_new |= dir;
9448   }
9449
9450   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9451 }
9452
9453 static int getClosedBelt(int x, int y)
9454 {
9455   static int xy[4][2] =
9456   {
9457     { -1, 0 },
9458     { +1, 0 },
9459     { 0, -1 },
9460     { 0, +1 }
9461   };
9462   int element_old = IntelliDrawBuffer[x][y];
9463   int nr = getBeltNrFromBeltElement(element_old);
9464   int direction_old = getOpenDirectionFromBelt(element_old);
9465   int direction_new = MV_NONE;
9466   int i;
9467
9468   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9469   {
9470     int xx = x + xy[i][0];
9471     int yy = y + xy[i][1];
9472     int dir = MV_DIR_FROM_BIT(i);
9473     int dir_opposite = MV_DIR_OPPOSITE(dir);
9474
9475     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9476         (direction_old & dir) &&
9477         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9478       direction_new |= dir;
9479   }
9480
9481   return getBeltFromNrAndOpenDirection(nr, direction_new);
9482 }
9483
9484 static int getClosedPool(int x, int y)
9485 {
9486   static int xy[4][2] =
9487   {
9488     { -1, 0 },
9489     { +1, 0 },
9490     { 0, -1 },
9491     { 0, +1 }
9492   };
9493   int element_old = IntelliDrawBuffer[x][y];
9494   int direction_old = getOpenDirectionFromPool(element_old);
9495   int direction_new = MV_NONE;
9496   int i;
9497
9498   for (i = 0; i < NUM_DIRECTIONS; i++)
9499   {
9500     int xx = x + xy[i][0];
9501     int yy = y + xy[i][1];
9502     int dir = MV_DIR_FROM_BIT(i);
9503     int dir_opposite = MV_DIR_OPPOSITE(dir);
9504
9505     if (IN_LEV_FIELD(xx, yy) &&
9506         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9507         (direction_old & dir) &&
9508         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9509       direction_new |= dir;
9510   }
9511
9512   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9513 }
9514
9515 static int getClosedPillar(int x, int y)
9516 {
9517   static int xy[4][2] =
9518   {
9519     { -1, 0 },
9520     { +1, 0 },
9521     { 0, -1 },
9522     { 0, +1 }
9523   };
9524   int element_old = IntelliDrawBuffer[x][y];
9525   int direction_old = getOpenDirectionFromPillar(element_old);
9526   int direction_new = MV_NONE;
9527   int i;
9528
9529   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9530   {
9531     int xx = x + xy[i][0];
9532     int yy = y + xy[i][1];
9533     int dir = MV_DIR_FROM_BIT(i);
9534     int dir_opposite = MV_DIR_OPPOSITE(dir);
9535
9536     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9537         (direction_old & dir) &&
9538         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9539       direction_new |= dir;
9540   }
9541
9542   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9543 }
9544
9545 static int getClosedSteel2(int x, int y)
9546 {
9547   static int xy[4][2] =
9548   {
9549     { -1, 0 },
9550     { +1, 0 },
9551     { 0, -1 },
9552     { 0, +1 }
9553   };
9554   int element_old = IntelliDrawBuffer[x][y];
9555   int direction_old = getOpenDirectionFromSteel2(element_old);
9556   int direction_new = MV_NONE;
9557   int i;
9558
9559   for (i = 0; i < NUM_DIRECTIONS; i++)
9560   {
9561     int xx = x + xy[i][0];
9562     int yy = y + xy[i][1];
9563     int dir = MV_DIR_FROM_BIT(i);
9564     int dir_opposite = MV_DIR_OPPOSITE(dir);
9565
9566     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9567         (direction_old & dir) &&
9568         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9569       direction_new |= dir;
9570   }
9571
9572   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9573 }
9574
9575 static int getClosedChip(int x, int y)
9576 {
9577   static int xy[4][2] =
9578   {
9579     { -1, 0 },
9580     { +1, 0 },
9581     { 0, -1 },
9582     { 0, +1 }
9583   };
9584   int element_old = IntelliDrawBuffer[x][y];
9585   int direction_old = getOpenDirectionFromChip(element_old);
9586   int direction_new = MV_NONE;
9587   int i;
9588
9589   for (i = 0; i < NUM_DIRECTIONS; i++)
9590   {
9591     int xx = x + xy[i][0];
9592     int yy = y + xy[i][1];
9593     int dir = MV_DIR_FROM_BIT(i);
9594     int dir_opposite = MV_DIR_OPPOSITE(dir);
9595
9596     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9597         (direction_old & dir) &&
9598         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9599       direction_new |= dir;
9600   }
9601
9602   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9603 }
9604
9605 static void SetElementSimple(int x, int y, int element, boolean change_level)
9606 {
9607   int sx = x - level_xpos;
9608   int sy = y - level_ypos;
9609
9610   IntelliDrawBuffer[x][y] = element;
9611
9612   if (change_level)
9613     Feld[x][y] = element;
9614
9615   if (IN_ED_FIELD(sx, sy))
9616     DrawEditorElement(sx, sy, element);
9617 }
9618
9619 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9620                                            int x2, int y2, int *element2,
9621                                            int (*close_function)(int, int),
9622                                            boolean change_level)
9623 {
9624   /* set neighbour elements to newly determined connections */
9625   SetElementSimple(x1, y1, *element1, change_level);
9626   SetElementSimple(x2, y2, *element2, change_level);
9627
9628   /* remove all open connections of neighbour elements */
9629   *element1 = close_function(x1, y1);
9630   *element2 = close_function(x2, y2);
9631
9632   /* set neighbour elements to new, minimized connections */
9633   SetElementSimple(x1, y1, *element1, change_level);
9634   SetElementSimple(x2, y2, *element2, change_level);
9635 }
9636
9637 static void SetElementIntelliDraw(int x, int y, int new_element,
9638                                   boolean change_level, int button)
9639 {
9640   static int xy[4][2] =
9641   {
9642     { -1, 0 },
9643     { +1, 0 },
9644     { 0, -1 },
9645     { 0, +1 }
9646   };
9647   static int last_x = -1;
9648   static int last_y = -1;
9649   int old_element = IntelliDrawBuffer[x][y];
9650
9651   if (new_element == EL_UNDEFINED)
9652   {
9653     last_x = -1;
9654     last_y = -1;
9655
9656     return;
9657   }
9658
9659   if (IS_TUBE(new_element))
9660   {
9661     int last_element_new = EL_UNDEFINED;
9662     int direction = MV_NONE;
9663     int i;
9664
9665     /* if old element is of same kind, keep all existing directions */
9666     if (IS_TUBE(old_element))
9667       direction |= getOpenDirectionFromTube(old_element);
9668
9669     for (i = 0; i < NUM_DIRECTIONS; i++)
9670     {
9671       int xx = x + xy[i][0];
9672       int yy = y + xy[i][1];
9673
9674       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9675           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9676       {
9677         int dir = MV_DIR_FROM_BIT(i);
9678         int dir_opposite = MV_DIR_OPPOSITE(dir);
9679         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9680         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9681         int last_direction_new = last_direction_old | dir_opposite;
9682
9683         last_element_new = getTubeFromOpenDirection(last_direction_new);
9684
9685         direction |= dir;
9686       }
9687     }
9688
9689     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9690
9691     if (last_element_new != EL_UNDEFINED)
9692       MergeAndCloseNeighbourElements(x, y, &new_element,
9693                                      last_x, last_y, &last_element_new,
9694                                      getClosedTube, change_level);
9695   }
9696   else if (IS_BELT(new_element))
9697   {
9698     int belt_nr = getBeltNrFromBeltElement(new_element);
9699     int last_element_new = EL_UNDEFINED;
9700     int direction = MV_NONE;
9701     int i;
9702
9703     /* if old element is of same kind, keep all existing directions */
9704     if (IS_BELT(old_element))
9705       direction |= getOpenDirectionFromBelt(old_element);
9706
9707     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9708     {
9709       int xx = x + xy[i][0];
9710       int yy = y + xy[i][1];
9711
9712       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9713           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9714       {
9715         int dir = MV_DIR_FROM_BIT(i);
9716         int dir_opposite = MV_DIR_OPPOSITE(dir);
9717         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9718         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9719         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9720         int last_direction_new = last_direction_old | dir_opposite;
9721
9722         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9723                                                          last_direction_new);
9724         direction |= dir;
9725       }
9726     }
9727
9728     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9729                                                         new_element);
9730     if (last_element_new != EL_UNDEFINED)
9731       MergeAndCloseNeighbourElements(x, y, &new_element,
9732                                      last_x, last_y, &last_element_new,
9733                                      getClosedBelt, change_level);
9734   }
9735   else if (IS_ACID_POOL_OR_ACID(new_element))
9736   {
9737     int last_element_new = EL_UNDEFINED;
9738     int direction = MV_NONE;
9739     int i;
9740
9741     /* if old element is of same kind, keep all existing directions */
9742     if (IS_ACID_POOL_OR_ACID(old_element))
9743       direction |= getOpenDirectionFromPool(old_element);
9744
9745     for (i = 0; i < NUM_DIRECTIONS; i++)
9746     {
9747       int xx = x + xy[i][0];
9748       int yy = y + xy[i][1];
9749
9750       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9751           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9752       {
9753         int dir = MV_DIR_FROM_BIT(i);
9754         int dir_opposite = MV_DIR_OPPOSITE(dir);
9755         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9756         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9757         int last_direction_new = last_direction_old | dir_opposite;
9758
9759         last_element_new = getPoolFromOpenDirection(last_direction_new);
9760
9761         direction |= dir;
9762       }
9763     }
9764
9765     /* special corrections needed for intuitively correct acid pool drawing */
9766     if (last_element_new == EL_EMPTY)
9767       last_element_new = new_element;
9768     else if (last_element_new != EL_UNDEFINED)
9769       new_element = last_element_new;
9770
9771     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9772
9773     if (last_element_new != EL_UNDEFINED)
9774       MergeAndCloseNeighbourElements(x, y, &new_element,
9775                                      last_x, last_y, &last_element_new,
9776                                      getClosedPool, change_level);
9777   }
9778   else if (IS_EMC_PILLAR(new_element))
9779   {
9780     int last_element_new = EL_UNDEFINED;
9781     int direction = MV_NONE;
9782     int i;
9783
9784     /* if old element is of same kind, keep all existing directions */
9785     if (IS_EMC_PILLAR(old_element))
9786       direction |= getOpenDirectionFromPillar(old_element);
9787
9788     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9789     {
9790       int xx = x + xy[i][0];
9791       int yy = y + xy[i][1];
9792
9793       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9794           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9795       {
9796         int dir = MV_DIR_FROM_BIT(i);
9797         int dir_opposite = MV_DIR_OPPOSITE(dir);
9798         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9799         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9800         int last_direction_new = last_direction_old | dir_opposite;
9801
9802         last_element_new = getPillarFromOpenDirection(last_direction_new);
9803
9804         direction |= dir;
9805       }
9806     }
9807
9808     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9809
9810     if (last_element_new != EL_UNDEFINED)
9811       MergeAndCloseNeighbourElements(x, y, &new_element,
9812                                      last_x, last_y, &last_element_new,
9813                                      getClosedPillar, change_level);
9814   }
9815   else if (IS_DC_STEELWALL_2(new_element))
9816   {
9817     int last_element_new = EL_UNDEFINED;
9818     int direction = MV_NONE;
9819     int i;
9820
9821     /* if old element is of same kind, keep all existing directions */
9822     if (IS_DC_STEELWALL_2(old_element))
9823       direction |= getOpenDirectionFromSteel2(old_element);
9824
9825     for (i = 0; i < NUM_DIRECTIONS; i++)
9826     {
9827       int xx = x + xy[i][0];
9828       int yy = y + xy[i][1];
9829
9830       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9831           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9832       {
9833         int dir = MV_DIR_FROM_BIT(i);
9834         int dir_opposite = MV_DIR_OPPOSITE(dir);
9835         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9836         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9837         int last_direction_new = last_direction_old | dir_opposite;
9838
9839         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9840
9841         direction |= dir;
9842       }
9843     }
9844
9845     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9846
9847     if (last_element_new != EL_UNDEFINED)
9848       MergeAndCloseNeighbourElements(x, y, &new_element,
9849                                      last_x, last_y, &last_element_new,
9850                                      getClosedSteel2, change_level);
9851   }
9852   else if (IS_SP_CHIP(new_element))
9853   {
9854     int last_element_new = EL_UNDEFINED;
9855     int direction = MV_NONE;
9856     int i;
9857
9858     /* (do not keep existing directions, regardless of kind of old element) */
9859
9860     for (i = 0; i < NUM_DIRECTIONS; i++)
9861     {
9862       int xx = x + xy[i][0];
9863       int yy = y + xy[i][1];
9864
9865       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9866           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9867       {
9868         int dir = MV_DIR_FROM_BIT(i);
9869         int dir_opposite = MV_DIR_OPPOSITE(dir);
9870         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9871         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9872         int last_direction_new = last_direction_old | dir_opposite;
9873
9874         if (last_direction_old == MV_NONE)
9875         {
9876           last_element_new = getChipFromOpenDirection(last_direction_new);
9877           direction |= dir;
9878         }
9879         else if (last_direction_old & (dir | dir_opposite))
9880         {
9881           direction |= MV_DIR_OPPOSITE(last_direction_old);
9882         }
9883         else
9884         {
9885           direction |= MV_DIR_OPPOSITE(dir);
9886         }
9887       }
9888     }
9889
9890     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9891
9892     if (last_element_new != EL_UNDEFINED)
9893       MergeAndCloseNeighbourElements(x, y, &new_element,
9894                                      last_x, last_y, &last_element_new,
9895                                      getClosedChip, change_level);
9896   }
9897   else if (IS_SP_HARDWARE_BASE(new_element))
9898   {
9899     int nr = GetSimpleRandom(6);
9900
9901     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9902                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9903                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9904                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9905                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9906   }
9907   else if (new_element == EL_SP_HARDWARE_GREEN ||
9908            new_element == EL_SP_HARDWARE_BLUE ||
9909            new_element == EL_SP_HARDWARE_RED)
9910   {
9911     int nr = GetSimpleRandom(3);
9912
9913     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9914                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9915   }
9916   else if (IS_GROUP_ELEMENT(new_element))
9917   {
9918     boolean connected_drawing = FALSE;
9919     int i;
9920
9921     for (i = 0; i < NUM_DIRECTIONS; i++)
9922     {
9923       int xx = x + xy[i][0];
9924       int yy = y + xy[i][1];
9925
9926       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9927           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9928         connected_drawing = TRUE;
9929     }
9930
9931     if (!connected_drawing)
9932       ResolveGroupElement(new_element);
9933
9934     new_element = GetElementFromGroupElement(new_element);
9935   }
9936   else if (IS_BELT_SWITCH(old_element))
9937   {
9938     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9939     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9940
9941     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9942                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9943
9944     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9945   }
9946   else
9947   {
9948     static int swappable_elements[][2] =
9949     {
9950       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9951       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9952       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9953       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9954       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9955       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9956       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9957       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9958       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9959       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9960       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9961       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9962       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9963       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9964       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9965       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9966       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9967       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9968       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9969       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9970       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9971       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9972       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9973       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9974       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9975       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9976       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9977       { EL_PEARL,                       EL_WALL_PEARL                   },
9978       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9979       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9980       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9981       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9982       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9983       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9984       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9985       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9986       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
9987       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
9988       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
9989       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
9990
9991       { -1,                             -1                              },
9992     };
9993     static int rotatable_elements[][4] =
9994     {
9995       {
9996         EL_BUG_UP,
9997         EL_BUG_RIGHT,
9998         EL_BUG_DOWN,
9999         EL_BUG_LEFT
10000       },
10001
10002       {
10003         EL_SPACESHIP_UP,
10004         EL_SPACESHIP_RIGHT,
10005         EL_SPACESHIP_DOWN,
10006         EL_SPACESHIP_LEFT
10007       },
10008
10009       {
10010         EL_BD_BUTTERFLY_UP,
10011         EL_BD_BUTTERFLY_RIGHT,
10012         EL_BD_BUTTERFLY_DOWN,
10013         EL_BD_BUTTERFLY_LEFT
10014       },
10015
10016       {
10017         EL_BD_FIREFLY_UP,
10018         EL_BD_FIREFLY_RIGHT,
10019         EL_BD_FIREFLY_DOWN,
10020         EL_BD_FIREFLY_LEFT
10021       },
10022
10023       {
10024         EL_PACMAN_UP,
10025         EL_PACMAN_RIGHT,
10026         EL_PACMAN_DOWN,
10027         EL_PACMAN_LEFT
10028       },
10029
10030       {
10031         EL_YAMYAM_UP,
10032         EL_YAMYAM_RIGHT,
10033         EL_YAMYAM_DOWN,
10034         EL_YAMYAM_LEFT
10035       },
10036
10037       {
10038         EL_ARROW_UP,
10039         EL_ARROW_RIGHT,
10040         EL_ARROW_DOWN,
10041         EL_ARROW_LEFT
10042       },
10043
10044       {
10045         EL_SP_PORT_UP,
10046         EL_SP_PORT_RIGHT,
10047         EL_SP_PORT_DOWN,
10048         EL_SP_PORT_LEFT
10049       },
10050
10051       {
10052         EL_SP_GRAVITY_PORT_UP,
10053         EL_SP_GRAVITY_PORT_RIGHT,
10054         EL_SP_GRAVITY_PORT_DOWN,
10055         EL_SP_GRAVITY_PORT_LEFT
10056       },
10057
10058       {
10059         EL_SP_GRAVITY_ON_PORT_UP,
10060         EL_SP_GRAVITY_ON_PORT_RIGHT,
10061         EL_SP_GRAVITY_ON_PORT_DOWN,
10062         EL_SP_GRAVITY_ON_PORT_LEFT
10063       },
10064
10065       {
10066         EL_SP_GRAVITY_OFF_PORT_UP,
10067         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10068         EL_SP_GRAVITY_OFF_PORT_DOWN,
10069         EL_SP_GRAVITY_OFF_PORT_LEFT
10070       },
10071
10072       {
10073         EL_MOLE_UP,
10074         EL_MOLE_RIGHT,
10075         EL_MOLE_DOWN,
10076         EL_MOLE_LEFT
10077       },
10078
10079       {
10080         EL_BALLOON_SWITCH_UP,
10081         EL_BALLOON_SWITCH_RIGHT,
10082         EL_BALLOON_SWITCH_DOWN,
10083         EL_BALLOON_SWITCH_LEFT
10084       },
10085
10086       {
10087         -1,
10088         -1,
10089         -1,
10090         -1,
10091       },
10092     };
10093     int i, j;
10094
10095     for (i = 0; swappable_elements[i][0] != -1; i++)
10096     {
10097       int element1 = swappable_elements[i][0];
10098       int element2 = swappable_elements[i][1];
10099
10100       if (old_element == element1 || old_element == element2)
10101         new_element = (old_element == element1 ? element2 : element1);
10102     }
10103
10104     for (i = 0; rotatable_elements[i][0] != -1; i++)
10105     {
10106       for (j = 0; j < 4; j++)
10107       {
10108         int element = rotatable_elements[i][j];
10109
10110         if (old_element == element)
10111           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10112                          button == 2 ? rotatable_elements[i][0]           :
10113                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10114                          old_element);
10115       }
10116     }
10117   }
10118
10119   SetElementSimple(x, y, new_element, change_level);
10120
10121   last_x = x;
10122   last_y = y;
10123 }
10124
10125 static void ResetIntelliDraw()
10126 {
10127   int x, y;
10128
10129   for (x = 0; x < lev_fieldx; x++)
10130     for (y = 0; y < lev_fieldy; y++)
10131       IntelliDrawBuffer[x][y] = Feld[x][y];
10132
10133   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10134 }
10135
10136 static void SetElementExt(int x, int y, int element, boolean change_level,
10137                           int button)
10138 {
10139   if (element < 0)
10140     SetElementSimple(x, y, Feld[x][y], change_level);
10141   else if (GetKeyModState() & KMOD_Shift)
10142     SetElementIntelliDraw(x, y, element, change_level, button);
10143   else
10144     SetElementSimple(x, y, element, change_level);
10145 }
10146
10147 static void SetElement(int x, int y, int element)
10148 {
10149   SetElementExt(x, y, element, TRUE, -1);
10150 }
10151
10152 static void SetElementButton(int x, int y, int element, int button)
10153 {
10154   SetElementExt(x, y, element, TRUE, button);
10155 }
10156
10157 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10158 {
10159   int lx = sx + level_xpos;
10160   int ly = sy + level_ypos;
10161
10162   SetElementExt(lx, ly, element, change_level, -1);
10163 }
10164
10165 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10166                      int element, boolean change_level)
10167 {
10168   int xsize = ABS(to_x - from_x);
10169   int ysize = ABS(to_y - from_y);
10170   int dx = (to_x < from_x ? -1 : +1);
10171   int dy = (to_y < from_y ? -1 : +1);
10172   int i;
10173
10174   if (from_y == to_y)                   /* horizontal line */
10175   {
10176     for (i = 0; i <= xsize; i++)
10177       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10178   }
10179   else if (from_x == to_x)              /* vertical line */
10180   {
10181     for (i = 0; i <= ysize; i++)
10182       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10183   }
10184   else                                  /* diagonal line */
10185   {
10186     if (ysize < xsize)                  /* a < 1 */
10187     {
10188       float a = (float)ysize / (float)xsize;
10189
10190       for (i = 0; i <= xsize; i++)
10191       {
10192         int x = dx * i;
10193         int y = dy * (int)(a * i + 0.5);
10194
10195         DrawLineElement(from_x + x, from_y + y, element, change_level);
10196       }
10197     }
10198     else                                /* a >= 1 */
10199     {
10200       float a = (float)xsize / (float)ysize;
10201
10202       for (i = 0; i <= ysize; i++)
10203       {
10204         int x = dx * (int)(a * i + 0.5);
10205         int y = dy * i;
10206
10207         DrawLineElement(from_x + x, from_y + y, element, change_level);
10208       }
10209     }
10210   }
10211 }
10212
10213 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10214                     int element, boolean change_level)
10215 {
10216   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10217   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10218   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10219   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10220 }
10221
10222 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10223                           int element, boolean change_level)
10224 {
10225   int y;
10226
10227   if (from_y > to_y)
10228     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10229
10230   for (y = from_y; y <= to_y; y++)
10231     DrawLine(from_x, y, to_x, y, element, change_level);
10232 }
10233
10234 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10235                        int element, boolean change_level)
10236 {
10237   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10238   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10239   int len_x = ABS(to_x - from_x);
10240   int len_y = ABS(to_y - from_y);
10241   int radius, x, y;
10242
10243   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10244
10245   /* not optimal (some points get drawn twice) but simple,
10246      and fast enough for the few points we are drawing */
10247
10248   for (x = 0; x <= radius; x++)
10249   {
10250     int sx, sy, lx, ly;
10251
10252     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10253
10254     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10255     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10256     lx = sx + level_xpos;
10257     ly = sy + level_ypos;
10258
10259     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10260       DrawLineElement(sx, sy, element, change_level);
10261   }
10262
10263   for (y = 0; y <= radius; y++)
10264   {
10265     int sx, sy, lx, ly;
10266
10267     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10268
10269     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10270     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10271     lx = sx + level_xpos;
10272     ly = sy + level_ypos;
10273
10274     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10275       DrawLineElement(sx, sy, element, change_level);
10276   }
10277 }
10278
10279 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10280                     int element, boolean change_level)
10281 {
10282   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10283   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10284
10285   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10286 }
10287
10288 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10289
10290 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10291 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10292                        int element, boolean change_level)
10293 {
10294   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10295   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10296   int mirror_to_x2 = from_x - (to_x2 - from_x);
10297   int mirror_to_y2 = from_y - (to_y2 - from_y);
10298
10299   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10300   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10301   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10302   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10303 }
10304 #endif
10305
10306 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10307 {
10308   int from_sx, from_sy;
10309   int to_sx, to_sy;
10310
10311   if (from_x > to_x)
10312     swap_numbers(&from_x, &to_x);
10313
10314   if (from_y > to_y)
10315     swap_numbers(&from_y, &to_y);
10316
10317   from_sx = SX + from_x * ed_tilesize;
10318   from_sy = SY + from_y * ed_tilesize;
10319   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10320   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10321
10322   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10323   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10324   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10325   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10326
10327   if (from_x == to_x && from_y == to_y)
10328     MarkTileDirty(from_x/2, from_y/2);
10329   else
10330     redraw_mask |= REDRAW_FIELD;
10331 }
10332
10333 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10334                        int element, boolean change_level)
10335 {
10336   if (element == -1 || change_level)
10337     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10338   else
10339     DrawAreaBorder(from_x, from_y, to_x, to_y);
10340 }
10341
10342 /* values for CopyBrushExt() */
10343 #define CB_AREA_TO_BRUSH        0
10344 #define CB_BRUSH_TO_CURSOR      1
10345 #define CB_BRUSH_TO_LEVEL       2
10346 #define CB_DELETE_OLD_CURSOR    3
10347 #define CB_DUMP_BRUSH           4
10348 #define CB_DUMP_BRUSH_SMALL     5
10349
10350 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10351                          int button, int mode)
10352 {
10353   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10354   static int brush_width, brush_height;
10355   static int last_cursor_x = -1, last_cursor_y = -1;
10356   static boolean delete_old_brush;
10357   int new_element = BUTTON_ELEMENT(button);
10358   int x, y;
10359
10360   if (mode == CB_DUMP_BRUSH ||
10361       mode == CB_DUMP_BRUSH_SMALL)
10362   {
10363     if (!draw_with_brush)
10364     {
10365       Error(ERR_WARN, "no brush selected");
10366
10367       return;
10368     }
10369
10370     for (y = 0; y < brush_height; y++)
10371     {
10372       for (x = 0; x < brush_width; x++)
10373       {
10374         int element = brush_buffer[x][y];
10375         int element_mapped = element;
10376
10377         if (IS_CUSTOM_ELEMENT(element))
10378           element_mapped = EL_CUSTOM_START;
10379         else if (IS_GROUP_ELEMENT(element))
10380           element_mapped = EL_GROUP_START;
10381         else if (element >= NUM_FILE_ELEMENTS)
10382           element_mapped = EL_UNKNOWN;
10383
10384         // dump brush as level sketch text for the R'n'D forum:
10385         // - large tiles: `xxx (0x60 ASCII)
10386         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10387         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10388       }
10389
10390       printf("\n");
10391     }
10392
10393     return;
10394   }
10395
10396   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10397     return;
10398
10399   if (mode == CB_AREA_TO_BRUSH)
10400   {
10401     int from_lx, from_ly;
10402
10403     if (from_x > to_x)
10404       swap_numbers(&from_x, &to_x);
10405
10406     if (from_y > to_y)
10407       swap_numbers(&from_y, &to_y);
10408
10409     brush_width = to_x - from_x + 1;
10410     brush_height = to_y - from_y + 1;
10411
10412     from_lx = from_x + level_xpos;
10413     from_ly = from_y + level_ypos;
10414
10415     for (y = 0; y < brush_height; y++)
10416     {
10417       for (x = 0; x < brush_width; x++)
10418       {
10419         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10420
10421         if (button != 1)
10422           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10423       }
10424     }
10425
10426     if (button != 1)
10427       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10428
10429     delete_old_brush = FALSE;
10430   }
10431   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10432            mode == CB_BRUSH_TO_LEVEL)
10433   {
10434     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10435     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10436     int cursor_from_x = cursor_x - brush_width / 2;
10437     int cursor_from_y = cursor_y - brush_height / 2;
10438     int border_from_x = cursor_x, border_from_y = cursor_y;
10439     int border_to_x = cursor_x, border_to_y = cursor_y;
10440
10441     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10442       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10443
10444     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10445         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10446     {
10447       delete_old_brush = FALSE;
10448       return;
10449     }
10450
10451     for (y = 0; y < brush_height; y++)
10452     {
10453       for (x = 0; x < brush_width; x++)
10454       {
10455         int sx = cursor_from_x + x;
10456         int sy = cursor_from_y + y;
10457         int lx = sx + level_xpos;
10458         int ly = sy + level_ypos;
10459         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10460         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10461                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10462                        brush_buffer[x][y] : new_element);
10463
10464         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10465         {
10466           if (sx < border_from_x)
10467             border_from_x = sx;
10468           else if (sx > border_to_x)
10469             border_to_x = sx;
10470           if (sy < border_from_y)
10471             border_from_y = sy;
10472           else if (sy > border_to_y)
10473             border_to_y = sy;
10474
10475           DrawLineElement(sx, sy, element, change_level);
10476         }
10477       }
10478     }
10479
10480     if (mode != CB_DELETE_OLD_CURSOR)
10481       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10482
10483     last_cursor_x = cursor_x;
10484     last_cursor_y = cursor_y;
10485     delete_old_brush = TRUE;
10486   }
10487 }
10488
10489 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10490                             int button)
10491 {
10492   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10493 }
10494
10495 static void CopyBrushToLevel(int x, int y, int button)
10496 {
10497   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10498 }
10499
10500 static void CopyBrushToCursor(int x, int y)
10501 {
10502   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10503 }
10504
10505 static void DeleteBrushFromCursor()
10506 {
10507   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10508 }
10509
10510 void DumpBrush()
10511 {
10512   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10513 }
10514
10515 void DumpBrush_Small()
10516 {
10517   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10518 }
10519
10520 static void FloodFill(int from_x, int from_y, int fill_element)
10521 {
10522   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10523 }
10524
10525 /* values for DrawLevelText() modes */
10526 #define TEXT_INIT               0
10527 #define TEXT_SETCURSOR          1
10528 #define TEXT_WRITECHAR          2
10529 #define TEXT_BACKSPACE          3
10530 #define TEXT_NEWLINE            4
10531 #define TEXT_END                5
10532 #define TEXT_QUERY_TYPING       6
10533
10534 static int DrawLevelText(int sx, int sy, char letter, int mode)
10535 {
10536   static short delete_buffer[MAX_LEV_FIELDX];
10537   static int start_sx;
10538   static int last_sx, last_sy;
10539   static boolean typing = FALSE;
10540   int letter_element = EL_CHAR_ASCII0 + letter;
10541   int lx = 0, ly = 0;
10542
10543   /* map lower case letters to upper case and convert special characters */
10544   if (letter >= 'a' && letter <= 'z')
10545     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10546   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10547     letter_element = EL_CHAR_AUMLAUT;
10548   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10549     letter_element = EL_CHAR_OUMLAUT;
10550   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10551     letter_element = EL_CHAR_UUMLAUT;
10552   else if (letter == '^')
10553     letter_element = EL_CHAR_COPYRIGHT;
10554   else
10555     letter_element = EL_CHAR_ASCII0 + letter;
10556
10557   if (mode != TEXT_INIT)
10558   {
10559     if (!typing)
10560       return FALSE;
10561
10562     if (mode != TEXT_SETCURSOR)
10563     {
10564       sx = last_sx;
10565       sy = last_sy;
10566     }
10567
10568     lx = last_sx + level_xpos;
10569     ly = last_sy + level_ypos;
10570   }
10571
10572   switch (mode)
10573   {
10574     case TEXT_INIT:
10575       if (typing)
10576         DrawLevelText(0, 0, 0, TEXT_END);
10577
10578       typing = TRUE;
10579       start_sx = sx;
10580       last_sx = sx;
10581       last_sy = sy;
10582       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10583       break;
10584
10585     case TEXT_SETCURSOR:
10586       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10587       DrawAreaBorder(sx, sy, sx, sy);
10588       last_sx = sx;
10589       last_sy = sy;
10590       break;
10591
10592     case TEXT_WRITECHAR:
10593       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10594       {
10595         if (new_element1 >= EL_STEEL_CHAR_START &&
10596             new_element1 <= EL_STEEL_CHAR_END)
10597           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10598
10599         delete_buffer[sx - start_sx] = Feld[lx][ly];
10600         Feld[lx][ly] = letter_element;
10601
10602         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10603           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10604         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10605           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10606         else
10607           DrawLevelText(0, 0, 0, TEXT_END);
10608
10609         level.changed = TRUE;
10610       }
10611       break;
10612
10613     case TEXT_BACKSPACE:
10614       if (sx > start_sx)
10615       {
10616         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10617         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10618         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10619       }
10620       break;
10621
10622     case TEXT_NEWLINE:
10623       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10624         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10625       else
10626         DrawLevelText(0, 0, 0, TEXT_END);
10627       break;
10628
10629     case TEXT_END:
10630       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10631       DrawEditorElement(sx, sy, Feld[lx][ly]);
10632       typing = FALSE;
10633       break;
10634
10635     case TEXT_QUERY_TYPING:
10636       break;
10637
10638     default:
10639       break;
10640   }
10641
10642   return typing;
10643 }
10644
10645 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10646                           int element, boolean change_level)
10647 {
10648   int lx = sx + level_xpos;
10649   int ly = sy + level_ypos;
10650
10651   if (element == -1)
10652     DrawEditorElement(sx, sy, Feld[lx][ly]);
10653   else
10654     DrawAreaBorder(sx, sy, sx, sy);
10655 }
10656
10657 static void CheckLevelBorderElement(boolean redraw_playfield)
10658 {
10659   int last_border_element = BorderElement;
10660
10661   SetBorderElement();
10662
10663   if (redraw_playfield && BorderElement != last_border_element)
10664     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10665 }
10666
10667 static void CopyLevelToUndoBuffer(int mode)
10668 {
10669   static boolean accumulated_undo = FALSE;
10670   boolean new_undo_buffer_position = TRUE;
10671   int x, y;
10672
10673   if (undo_buffer_steps == 0)
10674     accumulated_undo = FALSE;
10675
10676   switch (mode)
10677   {
10678     case UNDO_IMMEDIATE:
10679       accumulated_undo = FALSE;
10680       break;
10681
10682     case UNDO_ACCUMULATE:
10683       if (accumulated_undo)
10684         new_undo_buffer_position = FALSE;
10685       accumulated_undo = TRUE;
10686       break;
10687
10688     default:
10689       break;
10690   }
10691
10692   if (new_undo_buffer_position)
10693   {
10694     /* advance position in undo buffer ring */
10695     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10696
10697     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10698       undo_buffer_steps++;
10699   }
10700
10701   /* always reset redo buffer when storing level change into undo buffer */
10702   redo_buffer_steps = 0;
10703
10704   for (x = 0; x < lev_fieldx; x++)
10705     for (y = 0; y < lev_fieldy; y++)
10706       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10707
10708   /* check if drawing operation forces change of border style */
10709   CheckLevelBorderElement(TRUE);
10710
10711   level.changed = TRUE;
10712 }
10713
10714 static void RandomPlacement(int new_element)
10715 {
10716   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10717   int num_free_positions = 0;
10718   int num_percentage, num_elements;
10719   int x, y;
10720
10721   ResetIntelliDraw();
10722
10723   /* determine number of free positions for randomly placing the new element */
10724   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10725   {
10726     free_position[x][y] =
10727       (random_placement_background_restricted ?
10728        Feld[x][y] == random_placement_background_element :
10729        Feld[x][y] != new_element);
10730
10731     if (free_position[x][y])
10732       num_free_positions++;
10733   }
10734
10735   /* determine number of new elements to place there */
10736   num_percentage = num_free_positions * random_placement_value / 100;
10737   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10738                   num_percentage : random_placement_value);
10739
10740   /* if less free positions than elements to place, fill all these positions */
10741   if (num_free_positions < num_elements)
10742   {
10743     for (x = 0; x < lev_fieldx; x++)
10744       for (y = 0; y < lev_fieldy; y++)
10745         if (free_position[x][y])
10746           SetElement(x, y, new_element);
10747   }
10748   else
10749   {
10750     while (num_elements > 0)
10751     {
10752       x = GetSimpleRandom(lev_fieldx);
10753       y = GetSimpleRandom(lev_fieldy);
10754
10755       /* don't place element at the same position twice */
10756       if (free_position[x][y])
10757       {
10758         free_position[x][y] = FALSE;
10759         SetElement(x, y, new_element);
10760         num_elements--;
10761       }
10762     }
10763   }
10764
10765   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10766   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10767 }
10768
10769 void WrapLevel(int dx, int dy)
10770 {
10771   int wrap_dx = lev_fieldx - dx;
10772   int wrap_dy = lev_fieldy - dy;
10773   int x, y;
10774
10775   for (x = 0; x < lev_fieldx; x++)
10776     for (y = 0; y < lev_fieldy; y++)
10777       FieldBackup[x][y] = Feld[x][y];
10778
10779   for (x = 0; x < lev_fieldx; x++)
10780     for (y = 0; y < lev_fieldy; y++)
10781       Feld[x][y] =
10782         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10783
10784   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10785   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10786 }
10787
10788 static void HandleDrawingAreas(struct GadgetInfo *gi)
10789 {
10790   static boolean started_inside_drawing_area = FALSE;
10791   int id = gi->custom_id;
10792   boolean button_press_event;
10793   boolean button_release_event;
10794   boolean inside_drawing_area = !gi->event.off_borders;
10795   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10796   int actual_drawing_function;
10797   int button = gi->event.button;
10798   int new_element = BUTTON_ELEMENT(button);
10799   int sx = gi->event.x, sy = gi->event.y;
10800   int min_sx = 0, min_sy = 0;
10801   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10802   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10803   int lx = 0, ly = 0;
10804   int min_lx = 0, min_ly = 0;
10805   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10806   int x, y;
10807
10808   /* handle info callback for each invocation of action callback */
10809   gi->callback_info(gi);
10810
10811   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10812   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10813
10814   /* make sure to stay inside drawing area boundaries */
10815   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10816   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10817
10818   if (draw_level)
10819   {
10820     /* get positions inside level field */
10821     lx = sx + level_xpos;
10822     ly = sy + level_ypos;
10823
10824     if (!IN_LEV_FIELD(lx, ly))
10825       inside_drawing_area = FALSE;
10826
10827     /* make sure to stay inside level field boundaries */
10828     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10829     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10830
10831     /* correct drawing area positions accordingly */
10832     sx = lx - level_xpos;
10833     sy = ly - level_ypos;
10834   }
10835
10836   if (button_press_event)
10837     started_inside_drawing_area = inside_drawing_area;
10838
10839   if (!started_inside_drawing_area)
10840     return;
10841
10842   if (!IS_VALID_BUTTON(button))
10843     return;
10844
10845   if (!button && !button_release_event)
10846     return;
10847
10848   /* automatically switch to 'single item' drawing mode, if needed */
10849   actual_drawing_function =
10850     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10851      drawing_function : GADGET_ID_SINGLE_ITEMS);
10852
10853   /* clicking into drawing area with pressed Control key picks element */
10854   if (GetKeyModState() & KMOD_Control)
10855   {
10856     last_drawing_function = drawing_function;
10857     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10858   }
10859
10860   if (GetKeyModState() & KMOD_Shift)
10861   {
10862     if (button_press_event || button_release_event)
10863       ResetIntelliDraw();
10864   }
10865
10866   switch (actual_drawing_function)
10867   {
10868     case GADGET_ID_SINGLE_ITEMS:
10869       if (draw_level)
10870       {
10871         if (button_release_event)
10872         {
10873           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10874
10875           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10876               !inside_drawing_area)
10877             DeleteBrushFromCursor();
10878         }
10879
10880         if (!button || button_release_event)
10881           break;
10882
10883         if (draw_with_brush)
10884         {
10885           CopyBrushToLevel(sx, sy, button);
10886         }
10887         else
10888         {
10889           if (new_element == EL_PLAYER_1)
10890           {
10891             /* remove player at old position */
10892             for (y = 0; y < lev_fieldy; y++)
10893               for (x = 0; x < lev_fieldx; x++)
10894                 if (Feld[x][y] == EL_PLAYER_1)
10895                   SetElement(x, y, EL_EMPTY);
10896           }
10897
10898           SetElementButton(lx, ly, new_element, button);
10899         }
10900       }
10901       else
10902       {
10903         int type_id = gi->custom_type_id;
10904         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10905
10906         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10907           DrawMiniGraphicExt(drawto,
10908                              gi->x + sx * MINI_TILEX,
10909                              gi->y + sy * MINI_TILEY,
10910                              el2edimg(new_element));
10911         else
10912           DrawFixedGraphicExt(drawto,
10913                               gi->x + sx * TILEX,
10914                               gi->y + sy * TILEY,
10915                               el2img(new_element), 0);
10916
10917         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10918           new_element = GFX_ELEMENT(new_element);
10919
10920         drawingarea_info[type_id].value[pos] = new_element;
10921
10922         CopyElementPropertiesToGame(properties_element);
10923
10924         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10925         {
10926           UpdateCustomElementGraphicGadgets();
10927
10928           FrameCounter = 0;     /* restart animation frame counter */
10929         }
10930       }
10931       break;
10932
10933     case GADGET_ID_CONNECTED_ITEMS:
10934       {
10935         static int last_sx = -1;
10936         static int last_sy = -1;
10937
10938         if (button_release_event)
10939           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10940
10941         if (button)
10942         {
10943           if (!button_press_event)
10944             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10945
10946           last_sx = sx;
10947           last_sy = sy;
10948         }
10949       }
10950       break;
10951
10952     case GADGET_ID_LINE:
10953     case GADGET_ID_ARC:
10954     case GADGET_ID_RECTANGLE:
10955     case GADGET_ID_FILLED_BOX:
10956     case GADGET_ID_GRAB_BRUSH:
10957     case GADGET_ID_TEXT:
10958       {
10959         static int last_sx = -1;
10960         static int last_sy = -1;
10961         static int start_sx = -1;
10962         static int start_sy = -1;
10963         void (*draw_func)(int, int, int, int, int, boolean);
10964
10965         if (drawing_function == GADGET_ID_LINE)
10966           draw_func = DrawLine;
10967         else if (drawing_function == GADGET_ID_ARC)
10968           draw_func = DrawArc;
10969         else if (drawing_function == GADGET_ID_RECTANGLE)
10970           draw_func = DrawBox;
10971         else if (drawing_function == GADGET_ID_FILLED_BOX)
10972           draw_func = DrawFilledBox;
10973         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10974           draw_func = SelectArea;
10975         else /* (drawing_function == GADGET_ID_TEXT) */
10976           draw_func = SetTextCursor;
10977
10978         if (button_press_event)
10979         {
10980           draw_func(sx, sy, sx, sy, new_element, FALSE);
10981           start_sx = last_sx = sx;
10982           start_sy = last_sy = sy;
10983
10984           if (drawing_function == GADGET_ID_TEXT)
10985             DrawLevelText(0, 0, 0, TEXT_END);
10986         }
10987         else if (button_release_event)
10988         {
10989           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
10990           if (drawing_function == GADGET_ID_GRAB_BRUSH)
10991           {
10992             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
10993             CopyBrushToCursor(sx, sy);
10994             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
10995                           MB_LEFTBUTTON);
10996             draw_with_brush = TRUE;
10997           }
10998           else if (drawing_function == GADGET_ID_TEXT)
10999             DrawLevelText(sx, sy, 0, TEXT_INIT);
11000           else
11001             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11002         }
11003         else if (last_sx != sx || last_sy != sy)
11004         {
11005           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
11006           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
11007           last_sx = sx;
11008           last_sy = sy;
11009         }
11010       }
11011       break;
11012
11013     case GADGET_ID_FLOOD_FILL:
11014       if (button_press_event && Feld[lx][ly] != new_element)
11015       {
11016         FloodFill(lx, ly, new_element);
11017         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11018         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11019       }
11020       break;
11021
11022     case GADGET_ID_PICK_ELEMENT:
11023       if (button_release_event)
11024         ClickOnGadget(level_editor_gadget[last_drawing_function],
11025                       MB_LEFTBUTTON);
11026       else if (draw_level)
11027         PickDrawingElement(button, Feld[lx][ly]);
11028       else
11029       {
11030         int type_id = gi->custom_type_id;
11031         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11032
11033         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
11034       }
11035
11036       break;
11037
11038     default:
11039       break;
11040   }
11041 }
11042
11043 static void HandleCounterButtons(struct GadgetInfo *gi)
11044 {
11045   int gadget_id = gi->custom_id;
11046   int counter_id = gi->custom_type_id;
11047   int button = gi->event.button;
11048   int *counter_value = counterbutton_info[counter_id].value;
11049   int step = BUTTON_STEPSIZE(button) *
11050     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11051
11052   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11053   {
11054     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11055     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11056     boolean level_changed = LevelChanged();
11057
11058     if ((level_changed && pressed) || (!level_changed && released))
11059       return;
11060
11061     if (level_changed && !Request("Level has changed! Discard changes?",
11062                                   REQ_ASK))
11063     {
11064       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11065         ModifyEditorCounterValue(counter_id, *counter_value);
11066
11067       return;
11068     }
11069   }
11070
11071   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11072     *counter_value = gi->textinput.number_value;
11073   else
11074     ModifyEditorCounterValue(counter_id, *counter_value + step);
11075
11076   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11077   {
11078       LoadLevel(level_nr);
11079       LoadScore(level_nr);
11080
11081       TapeErase();
11082
11083       ResetUndoBuffer();
11084       DrawEditModeWindow();
11085
11086       return;
11087   }
11088
11089   switch (counter_id)
11090   {
11091     case ED_COUNTER_ID_YAMYAM_CONTENT:
11092       DrawYamYamContentAreas();
11093       break;
11094
11095     case ED_COUNTER_ID_BALL_CONTENT:
11096       DrawMagicBallContentAreas();
11097       break;
11098
11099     case ED_COUNTER_ID_ANDROID_CONTENT:
11100       DrawAndroidElementArea(properties_element);
11101       break;
11102
11103     case ED_COUNTER_ID_GROUP_CONTENT:
11104       DrawGroupElementArea(properties_element);
11105       CopyGroupElementPropertiesToGame(properties_element);
11106       break;
11107
11108     case ED_COUNTER_ID_INVENTORY_SIZE:
11109       DrawPlayerInitialInventoryArea(properties_element);
11110       break;
11111
11112     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11113     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11114       DrawEnvelopeTextArea(-1);
11115       break;
11116
11117     case ED_COUNTER_ID_LEVEL_XSIZE:
11118     case ED_COUNTER_ID_LEVEL_YSIZE:
11119       lev_fieldx = level.fieldx;
11120       lev_fieldy = level.fieldy;
11121
11122       /* check if resizing of level results in change of border border */
11123       SetBorderElement();
11124
11125       break;
11126
11127     default:
11128       break;
11129   }
11130
11131   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11132        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11133       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11134        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11135     CopyElementPropertiesToGame(properties_element);
11136
11137   level.changed = TRUE;
11138 }
11139
11140 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11141 {
11142   int type_id = gi->custom_type_id;
11143
11144   strcpy(textinput_info[type_id].value, gi->textinput.value);
11145
11146   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11147   {
11148     CopyElementPropertiesToGame(properties_element);
11149
11150     ModifyEditorElementList();  /* update changed button info text */
11151   }
11152
11153   level.changed = TRUE;
11154 }
11155
11156 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11157 {
11158   int type_id = gi->custom_type_id;
11159
11160   strncpy(textarea_info[type_id].value, gi->textarea.value,
11161           MAX_ENVELOPE_TEXT_LEN);
11162   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11163
11164   level.changed = TRUE;
11165 }
11166
11167 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11168 {
11169   int type_id = gi->custom_type_id;
11170   int value_old = *selectbox_info[type_id].value;
11171   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11172
11173   *selectbox_info[type_id].value = value_new;
11174
11175   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11176   {
11177     element_info[properties_element].current_change_page = gi->selectbox.index;
11178
11179     DrawPropertiesWindow();
11180   }
11181   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11182             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11183            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11184             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11185            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11186   {
11187     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11188     {
11189       /* when changing action type, also check action mode and action arg */
11190       if (value_old != value_new)
11191         setSelectboxSpecialActionVariablesIfNeeded();
11192
11193       DrawPropertiesChange();
11194     }
11195
11196     CopyElementPropertiesToGame(properties_element);
11197
11198     level.changed = TRUE;
11199   }
11200 }
11201
11202 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11203 {
11204   int type_id = gi->custom_type_id;
11205   int i;
11206
11207   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11208       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11209   {
11210     edit_mode_levelinfo = gi->custom_type_id;
11211
11212     DrawLevelInfoWindow();
11213   }
11214   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11215            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11216   {
11217     edit_mode_properties = gi->custom_type_id;
11218
11219     DrawPropertiesWindow();
11220   }
11221   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11222   {
11223     char *template_filename = getDefaultLevelFilename(-1);
11224     boolean new_template = !fileExists(template_filename);
11225
11226     /* backup original "level.field" (needed to track playfield changes) */
11227     CopyPlayfield(level.field, FieldBackup);
11228
11229     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11230     CopyPlayfield(Feld, level.field);
11231
11232     if (new_template ||
11233         Request("Save this template and kill the old?", REQ_ASK))
11234       SaveLevelTemplate();
11235
11236     if (new_template)
11237       Request("Template saved!", REQ_CONFIRM);
11238
11239     /* restore original "level.field" (needed to track playfield changes) */
11240     CopyPlayfield(FieldBackup, level.field);
11241   }
11242   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11243            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11244   {
11245     struct ElementInfo *ei = &element_info[properties_element];
11246
11247     setElementChangePages(ei, ei->num_change_pages + 1);
11248
11249     /* set new change page to be new current change page */
11250     ei->current_change_page = ei->num_change_pages - 1;
11251     ei->change = &ei->change_page[ei->current_change_page];
11252
11253     setElementChangeInfoToDefaults(ei->change);
11254
11255     DrawPropertiesWindow();
11256
11257     level.changed = TRUE;
11258   }
11259   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11260            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11261   {
11262     struct ElementInfo *ei = &element_info[properties_element];
11263
11264     /* copy all change pages after change page to be deleted */
11265     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11266       ei->change_page[i] = ei->change_page[i + 1];
11267
11268     setElementChangePages(ei, ei->num_change_pages - 1);
11269
11270     DrawPropertiesWindow();
11271
11272     level.changed = TRUE;
11273   }
11274 }
11275
11276 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11277 {
11278   int type_id = gi->custom_type_id;
11279
11280   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11281       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11282   {
11283     struct ElementInfo *ei = &element_info[properties_element];
11284     int step = BUTTON_STEPSIZE(gi->event.button);
11285
11286     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11287     ei->current_change_page += step;
11288
11289     if (ei->current_change_page < 0)
11290       ei->current_change_page = 0;
11291     else if (ei->current_change_page >= ei->num_change_pages)
11292       ei->current_change_page = ei->num_change_pages - 1;
11293
11294     DrawPropertiesWindow();
11295   }
11296   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11297            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11298   {
11299     struct ElementInfo *ei = &element_info[properties_element];
11300     int current_change_page = ei->current_change_page;
11301
11302     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11303       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11304         ei->change_page[current_change_page];
11305     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11306     {
11307       ei->change_page[current_change_page] =
11308         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11309
11310       level.changed = TRUE;
11311     }
11312
11313     DrawPropertiesWindow();
11314   }
11315 }
11316
11317 static void HandleRadiobuttons(struct GadgetInfo *gi)
11318 {
11319   *radiobutton_info[gi->custom_type_id].value =
11320     radiobutton_info[gi->custom_type_id].checked_value;
11321
11322   level.changed = TRUE;
11323 }
11324
11325 static void HandleCheckbuttons(struct GadgetInfo *gi)
11326 {
11327   int type_id = gi->custom_type_id;
11328
11329   *checkbutton_info[type_id].value ^= TRUE;
11330
11331   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11332       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11333       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11334       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11335          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11336         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11337          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11338        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11339   {
11340     CopyElementPropertiesToGame(properties_element);
11341   }
11342
11343   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11344   {
11345     UpdateCustomElementGraphicGadgets();
11346   }
11347   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11348   {
11349     char *template_filename = getDefaultLevelFilename(-1);
11350
11351     if (level.use_custom_template && !fileExists(template_filename))
11352     {
11353       Request("No level template found!", REQ_CONFIRM);
11354
11355       level.use_custom_template = FALSE;
11356       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11357
11358       return;
11359     }
11360
11361     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11362
11363     DrawEditModeWindow();
11364   }
11365
11366   level.changed = TRUE;
11367 }
11368
11369 static void HandleControlButtons(struct GadgetInfo *gi)
11370 {
11371   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11372   static int last_edit_mode = ED_MODE_DRAWING;
11373   static int last_custom_copy_mode = -1;
11374   int id = gi->custom_id;
11375   int button = gi->event.button;
11376   int step = BUTTON_STEPSIZE(button);
11377   int new_element = BUTTON_ELEMENT(button);
11378   int x, y;
11379
11380   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11381     DrawLevelText(0, 0, 0, TEXT_END);
11382
11383   if (id < ED_NUM_CTRL1_BUTTONS &&
11384       id != GADGET_ID_SINGLE_ITEMS &&
11385       id != GADGET_ID_PICK_ELEMENT &&
11386       edit_mode != ED_MODE_DRAWING &&
11387       drawing_function != GADGET_ID_PICK_ELEMENT &&
11388       !(GetKeyModState() & KMOD_Control))
11389   {
11390     DrawDrawingWindow();
11391     edit_mode = ED_MODE_DRAWING;
11392   }
11393
11394   /* element copy mode active, but no element button pressed => deactivate */
11395   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11396     last_custom_copy_mode = -1;
11397
11398   switch (id)
11399   {
11400     case GADGET_ID_SCROLL_LEFT:
11401       if (level_xpos >= 0)
11402       {
11403         if (lev_fieldx < ed_fieldx - 2)
11404           break;
11405
11406         level_xpos -= step;
11407         if (level_xpos < -1)
11408           level_xpos = -1;
11409         if (button == 1)
11410           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11411         else
11412           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11413
11414         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11415                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11416       }
11417       break;
11418
11419     case GADGET_ID_SCROLL_RIGHT:
11420       if (level_xpos <= lev_fieldx - ed_fieldx)
11421       {
11422         if (lev_fieldx < ed_fieldx - 2)
11423           break;
11424
11425         level_xpos += step;
11426         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11427           level_xpos = lev_fieldx - ed_fieldx + 1;
11428         if (button == 1)
11429           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11430         else
11431           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11432
11433         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11434                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11435       }
11436       break;
11437
11438     case GADGET_ID_SCROLL_UP:
11439       if (level_ypos >= 0)
11440       {
11441         if (lev_fieldy < ed_fieldy - 2)
11442           break;
11443
11444         level_ypos -= step;
11445         if (level_ypos < -1)
11446           level_ypos = -1;
11447         if (button == 1)
11448           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11449         else
11450           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11451
11452         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11453                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11454       }
11455       break;
11456
11457     case GADGET_ID_SCROLL_DOWN:
11458       if (level_ypos <= lev_fieldy - ed_fieldy)
11459       {
11460         if (lev_fieldy < ed_fieldy - 2)
11461           break;
11462
11463         level_ypos += step;
11464         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11465           level_ypos = lev_fieldy - ed_fieldy + 1;
11466         if (button == 1)
11467           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11468         else
11469           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11470
11471         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11472                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11473       }
11474       break;
11475
11476     case GADGET_ID_SCROLL_HORIZONTAL:
11477       level_xpos = gi->event.item_position - 1;
11478       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11479       break;
11480
11481     case GADGET_ID_SCROLL_VERTICAL:
11482       level_ypos = gi->event.item_position - 1;
11483       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11484       break;
11485
11486     case GADGET_ID_SCROLL_LIST_UP:
11487     case GADGET_ID_SCROLL_LIST_DOWN:
11488     case GADGET_ID_SCROLL_LIST_VERTICAL:
11489       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11490         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11491       else
11492       {
11493         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11494         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11495
11496         if (element_shift < 0)
11497           element_shift = 0;
11498         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11499           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11500
11501         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11502                      GDI_SCROLLBAR_ITEM_POSITION,
11503                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11504       }
11505
11506       ModifyEditorElementList();
11507
11508       break;
11509
11510     case GADGET_ID_PROPERTIES:
11511       if (edit_mode != ED_MODE_PROPERTIES)
11512       {
11513         properties_element = new_element;
11514         DrawPropertiesWindow();
11515         edit_mode = ED_MODE_PROPERTIES;
11516
11517         last_level_drawing_function = drawing_function;
11518         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11519                       MB_LEFTBUTTON);
11520       }
11521       else
11522       {
11523         DrawDrawingWindow();
11524         edit_mode = ED_MODE_DRAWING;
11525
11526         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11527                       MB_LEFTBUTTON);
11528       }
11529       break;
11530
11531     case GADGET_ID_WRAP_LEFT:
11532       WrapLevel(-step, 0);
11533       break;
11534
11535     case GADGET_ID_WRAP_RIGHT:
11536       WrapLevel(step, 0);
11537       break;
11538
11539     case GADGET_ID_WRAP_UP:
11540       WrapLevel(0, -step);
11541       break;
11542
11543     case GADGET_ID_WRAP_DOWN:
11544       WrapLevel(0, step);
11545       break;
11546
11547     case GADGET_ID_SINGLE_ITEMS:
11548     case GADGET_ID_CONNECTED_ITEMS:
11549     case GADGET_ID_LINE:
11550     case GADGET_ID_ARC:
11551     case GADGET_ID_TEXT:
11552     case GADGET_ID_RECTANGLE:
11553     case GADGET_ID_FILLED_BOX:
11554     case GADGET_ID_FLOOD_FILL:
11555     case GADGET_ID_GRAB_BRUSH:
11556     case GADGET_ID_PICK_ELEMENT:
11557       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11558         last_drawing_function = drawing_function;
11559       drawing_function = id;
11560       draw_with_brush = FALSE;
11561       break;
11562
11563     case GADGET_ID_RANDOM_PLACEMENT:
11564       RandomPlacement(new_element);
11565       break;
11566
11567     case GADGET_ID_ZOOM:
11568       // zoom level editor tile size in or out (or reset to default size)
11569       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11570                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11571                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11572
11573       // limit zoom level by upper and lower bound
11574       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11575
11576       InitZoomLevelSettings();
11577
11578       if (edit_mode == ED_MODE_DRAWING)
11579         DrawDrawingWindow();
11580
11581       break;
11582
11583     case GADGET_ID_CUSTOM_COPY_FROM:
11584     case GADGET_ID_CUSTOM_COPY_TO:
11585     case GADGET_ID_CUSTOM_EXCHANGE:
11586       last_custom_copy_mode = id;
11587       last_drawing_function = drawing_function;
11588       break;
11589
11590     case GADGET_ID_CUSTOM_COPY:
11591       CopyCustomElement(properties_element, -1, id);
11592       break;
11593
11594     case GADGET_ID_CUSTOM_PASTE:
11595       CopyCustomElement(-1, properties_element, id);
11596       break;
11597
11598     case GADGET_ID_UNDO:
11599       if (button == 1 && undo_buffer_steps == 0)
11600       {
11601         Request("Undo buffer empty!", REQ_CONFIRM);
11602
11603         break;
11604       }
11605       else if (button == 2)
11606       {
11607         break;
11608       }
11609       else if (button == 3 && redo_buffer_steps == 0)
11610       {
11611         Request("Redo buffer empty!", REQ_CONFIRM);
11612
11613         break;
11614       }
11615
11616       if (edit_mode != ED_MODE_DRAWING)
11617       {
11618         DrawDrawingWindow();
11619         edit_mode = ED_MODE_DRAWING;
11620       }
11621
11622       if (button == 1)
11623       {
11624         /* undo */
11625
11626         undo_buffer_position =
11627           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11628
11629         undo_buffer_steps--;
11630         redo_buffer_steps++;
11631       }
11632       else
11633       {
11634         /* redo */
11635
11636         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11637
11638         undo_buffer_steps++;
11639         redo_buffer_steps--;
11640       }
11641
11642       for (x = 0; x < lev_fieldx; x++)
11643         for (y = 0; y < lev_fieldy; y++)
11644           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11645
11646       /* check if undo operation forces change of border style */
11647       CheckLevelBorderElement(FALSE);
11648
11649       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11650
11651       break;
11652
11653     case GADGET_ID_INFO:
11654       if (edit_mode != ED_MODE_INFO)
11655       {
11656         last_edit_mode = edit_mode;
11657         edit_mode = ED_MODE_INFO;
11658
11659         DrawLevelInfoWindow();
11660       }
11661       else
11662       {
11663         edit_mode = last_edit_mode;
11664
11665         DrawEditModeWindow();
11666       }
11667       break;
11668
11669     case GADGET_ID_CLEAR:
11670       if (edit_mode != ED_MODE_DRAWING)
11671       {
11672         DrawDrawingWindow();
11673         edit_mode = ED_MODE_DRAWING;
11674       }
11675
11676       for (x = 0; x < MAX_LEV_FIELDX; x++)
11677         for (y = 0; y < MAX_LEV_FIELDY; y++)
11678           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11679
11680       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11681
11682       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11683       break;
11684
11685     case GADGET_ID_SAVE:
11686     {
11687       /* saving read-only levels into personal level set modifies global vars
11688          "leveldir_current" and "level_nr"; restore them after saving level */
11689       LevelDirTree *leveldir_former = leveldir_current;
11690       int level_nr_former = level_nr;
11691       char *level_filename;
11692       boolean new_level;
11693
11694       if (leveldir_current->readonly &&
11695           !PrepareSavingIntoPersonalLevelSet())
11696         break;
11697
11698       level_filename = getDefaultLevelFilename(level_nr);
11699       new_level = !fileExists(level_filename);
11700
11701       if (new_level ||
11702           Request("Save this level and kill the old?", REQ_ASK))
11703       {
11704         if (leveldir_former->readonly)
11705           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11706
11707         CopyPlayfield(Feld, level.field);
11708         SaveLevel(level_nr);
11709
11710         level.changed = FALSE;
11711
11712         if (new_level)
11713         {
11714           char level_saved_msg[64];
11715
11716           if (leveldir_former->readonly)
11717             sprintf(level_saved_msg,
11718                     "Level saved as level %d into personal level set!",
11719                     level_nr);
11720           else
11721             strcpy(level_saved_msg, "Level saved!");
11722
11723           Request(level_saved_msg, REQ_CONFIRM);
11724         }
11725       }
11726
11727       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11728       leveldir_current = leveldir_former;
11729       level_nr = level_nr_former;
11730
11731       break;
11732     }
11733
11734     case GADGET_ID_TEST:
11735       if (LevelChanged())
11736         level.game_version = GAME_VERSION_ACTUAL;
11737
11738       CopyPlayfield(level.field, FieldBackup);
11739       CopyPlayfield(Feld, level.field);
11740
11741       CopyNativeLevel_RND_to_Native(&level);
11742
11743       UnmapLevelEditorGadgets();
11744       UndrawSpecialEditorDoor();
11745
11746       CloseDoor(DOOR_CLOSE_ALL);
11747
11748       /* needed before playing if editor playfield area has different size */
11749       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11750
11751       // redraw_mask = REDRAW_ALL;
11752
11753       level_editor_test_game = TRUE;
11754
11755       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11756
11757       break;
11758
11759     case GADGET_ID_EXIT:
11760       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11761       break;
11762
11763     default:
11764       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11765           id <= GADGET_ID_ELEMENTLIST_LAST)
11766       {
11767         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11768         int new_element = editor_elements[element_position + element_shift];
11769
11770         if (IS_EDITOR_CASCADE(new_element))
11771         {
11772           int i;
11773
11774           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11775           {
11776             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11777             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11778
11779             if (*cascade_element == new_element)
11780             {
11781               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11782               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11783
11784               /* update element selection list */
11785               ReinitializeElementList();
11786               ModifyEditorElementList();
11787
11788               /* update cascading gadget info text */
11789               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11790
11791               /* save current editor cascading state */
11792               SaveSetup_EditorCascade();
11793
11794               break;
11795             }
11796           }
11797
11798           break;
11799         }
11800
11801         if (last_custom_copy_mode != -1)
11802         {
11803           if (CopyCustomElement(properties_element, new_element,
11804                                 last_custom_copy_mode))
11805           {
11806             ClickOnGadget(level_editor_gadget[last_drawing_function],
11807                           MB_LEFTBUTTON);
11808
11809             last_custom_copy_mode = -1;
11810           }
11811
11812           break;
11813         }
11814
11815         PickDrawingElement(button, new_element);
11816
11817         if (!stick_element_properties_window &&
11818             drawing_function != GADGET_ID_PICK_ELEMENT &&
11819             !(GetKeyModState() & KMOD_Control))
11820         {
11821           properties_element = new_element;
11822           if (edit_mode == ED_MODE_PROPERTIES)
11823             DrawPropertiesWindow();
11824         }
11825
11826         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11827           ClickOnGadget(level_editor_gadget[last_drawing_function],
11828                         MB_LEFTBUTTON);
11829       }
11830 #ifdef DEBUG
11831       else if (gi->event.type == GD_EVENT_PRESSED)
11832         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11833       else if (gi->event.type == GD_EVENT_RELEASED)
11834         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11835       else if (gi->event.type == GD_EVENT_MOVING)
11836         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11837       else
11838         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11839 #endif
11840       break;
11841   }
11842 }
11843
11844 void HandleLevelEditorKeyInput(Key key)
11845 {
11846   char letter = getCharFromKey(key);
11847   int button = MB_LEFTBUTTON;
11848
11849   if (drawing_function == GADGET_ID_TEXT &&
11850       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11851   {
11852     if (letter)
11853       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11854     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11855       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11856     else if (key == KSYM_Return)
11857       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11858     else if (key == KSYM_Escape)
11859       DrawLevelText(0, 0, 0, TEXT_END);
11860   }
11861   else if (button_status == MB_RELEASED)
11862   {
11863     int id = GADGET_ID_NONE;
11864     int new_element_shift = element_shift;
11865     int i;
11866
11867     switch (key)
11868     {
11869       case KSYM_Left:
11870         id = GADGET_ID_SCROLL_LEFT;
11871         break;
11872       case KSYM_Right:
11873         id = GADGET_ID_SCROLL_RIGHT;
11874         break;
11875       case KSYM_Up:
11876         id = GADGET_ID_SCROLL_UP;
11877         break;
11878       case KSYM_Down:
11879         id = GADGET_ID_SCROLL_DOWN;
11880         break;
11881       case KSYM_Page_Up:
11882         id = GADGET_ID_SCROLL_LIST_UP;
11883         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11884         break;
11885       case KSYM_Page_Down:
11886         id = GADGET_ID_SCROLL_LIST_DOWN;
11887         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11888         break;
11889
11890       case KSYM_Home:
11891       case KSYM_End:
11892         element_shift = (key == KSYM_Home ? 0 :
11893                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11894
11895         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11896                      GDI_SCROLLBAR_ITEM_POSITION,
11897                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11898
11899         ModifyEditorElementList();
11900
11901         break;
11902
11903       case KSYM_Insert:
11904       case KSYM_Delete:
11905
11906         /* this is needed to prevent interference with running "True X-Mouse" */
11907         if (GetKeyModStateFromEvents() & KMOD_Control)
11908           break;
11909
11910         /* check for last or next editor cascade block in element list */
11911         for (i = 0; i < num_editor_elements; i++)
11912         {
11913           if ((key == KSYM_Insert && i == element_shift) ||
11914               (key == KSYM_Delete && new_element_shift > element_shift))
11915             break;
11916
11917           /* jump to next cascade block (or to start of element list) */
11918           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11919             new_element_shift = i;
11920         }
11921
11922         if (i < num_editor_elements)
11923           element_shift = new_element_shift;
11924
11925         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11926           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11927
11928         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11929                      GDI_SCROLLBAR_ITEM_POSITION,
11930                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11931
11932         ModifyEditorElementList();
11933
11934         break;
11935
11936       case KSYM_Escape:
11937         if (edit_mode == ED_MODE_DRAWING)
11938         {
11939           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11940         }
11941         else if (edit_mode == ED_MODE_INFO)
11942         {
11943           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11944         }
11945         else if (edit_mode == ED_MODE_PROPERTIES)
11946         {
11947           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11948         }
11949         else            /* should never happen */
11950         {
11951           DrawDrawingWindow();
11952           edit_mode = ED_MODE_DRAWING;
11953         }
11954
11955         break;
11956
11957       default:
11958         break;
11959     }
11960
11961     if (id != GADGET_ID_NONE)
11962       ClickOnGadget(level_editor_gadget[id], button);
11963     else if (letter >= '1' && letter <= '3')
11964       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11965     else if (letter == '?')
11966       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11967     else if (letter == '.')
11968       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11969     else if (letter == 'U')
11970       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
11971     else if (key == KSYM_KP_Subtract)
11972       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
11973     else if (key == KSYM_KP_0 || letter == '0')
11974       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
11975     else if (key == KSYM_KP_Add || letter == '+')
11976       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
11977     else if (key == KSYM_Return ||
11978              key == KSYM_space ||
11979              key == setup.shortcut.toggle_pause)
11980       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
11981     else
11982       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
11983         if (letter && letter == controlbutton_info[i].shortcut)
11984           if (!anyTextGadgetActive())
11985             ClickOnGadget(level_editor_gadget[i], button);
11986   }
11987 }
11988
11989 void HandleLevelEditorIdle()
11990 {
11991   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11992   int x = editor.element_settings.element.x + element_border;
11993   int y = editor.element_settings.element.y + element_border;
11994   static unsigned int action_delay = 0;
11995   unsigned int action_delay_value = GameFrameDelay;
11996   int i;
11997
11998   if (edit_mode != ED_MODE_PROPERTIES)
11999     return;
12000
12001   if (!DelayReached(&action_delay, action_delay_value))
12002     return;
12003
12004   for (i = 0; i < ED_NUM_SELECTBOX; i++)
12005   {
12006     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
12007
12008     if (gi->mapped && gi->active && gi->selectbox.open)
12009       return;
12010   }
12011
12012   DrawEditorElementAnimation(SX + x, SY + y);
12013
12014   redraw_mask |= REDRAW_FIELD;
12015
12016   FrameCounter++;       /* increase animation frame counter */
12017 }
12018
12019 void ClearEditorGadgetInfoText()
12020 {
12021   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
12022 }
12023
12024 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
12025 {
12026   char infotext[MAX_OUTPUT_LINESIZE + 1];
12027   char shortcut[MAX_OUTPUT_LINESIZE + 1];
12028   int max_infotext_len = getMaxInfoTextLength();
12029
12030   if (gi == NULL || gi->info_text == NULL)
12031     return;
12032
12033   strncpy(infotext, gi->info_text, max_infotext_len);
12034   infotext[max_infotext_len] = '\0';
12035
12036   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
12037   {
12038     int key = controlbutton_info[gi->custom_id].shortcut;
12039
12040     if (key)
12041     {
12042       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
12043         sprintf(shortcut, " ('.' or '%c')", key);
12044       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12045         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12046       else if (gi->custom_id == GADGET_ID_TEST)
12047         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12048       else if (gi->custom_id == GADGET_ID_UNDO)
12049         sprintf(shortcut, " ('%c/Shift-U')", key);
12050       else if (gi->custom_id == GADGET_ID_ZOOM)
12051         sprintf(shortcut, " ('%c', '0', '+')", key);
12052       else
12053         sprintf(shortcut, " ('%s%c')",
12054                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12055
12056       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12057         strcat(infotext, shortcut);
12058     }
12059   }
12060
12061   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12062 }
12063
12064 void HandleEditorGadgetInfoText(void *ptr)
12065 {
12066   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12067
12068   if (game_status != GAME_MODE_EDITOR)
12069     return;
12070
12071   ClearEditorGadgetInfoText();
12072
12073   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12074     return;
12075
12076   /* misuse this function to delete brush cursor, if needed */
12077   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12078     DeleteBrushFromCursor();
12079
12080   PrintEditorGadgetInfoText(gi);
12081 }
12082
12083 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12084 {
12085   static int start_lx, start_ly;
12086   int id = gi->custom_id;
12087   int type_id = gi->custom_type_id;
12088   int sx = gi->event.x;
12089   int sy = gi->event.y;
12090   int lx = sx + level_xpos;
12091   int ly = sy + level_ypos;
12092   int min_sx = 0, min_sy = 0;
12093   int max_sx = gi->drawing.area_xsize - 1;
12094   int max_sy = gi->drawing.area_ysize - 1;
12095   int actual_drawing_function = drawing_function;
12096   int max_infotext_len = getMaxInfoTextLength();
12097   char infotext[MAX_OUTPUT_LINESIZE + 1];
12098   char *text;
12099
12100   infotext[0] = '\0';           /* start with empty info text */
12101
12102   /* pressed Control key: simulate picking element */
12103   if (GetKeyModState() & KMOD_Control)
12104     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12105
12106   ClearEditorGadgetInfoText();
12107
12108   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12109     return;
12110
12111   /* make sure to stay inside drawing area boundaries */
12112   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12113   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12114
12115   if (id == GADGET_ID_DRAWING_LEVEL)
12116   {
12117     if (button_status)
12118     {
12119       int min_lx = 0, min_ly = 0;
12120       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12121
12122       /* get positions inside level field */
12123       lx = sx + level_xpos;
12124       ly = sy + level_ypos;
12125
12126       /* make sure to stay inside level field boundaries */
12127       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12128       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12129
12130       /* correct drawing area positions accordingly */
12131       sx = lx - level_xpos;
12132       sy = ly - level_ypos;
12133     }
12134
12135     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12136     {
12137       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12138       {
12139         if (gi->event.type == GD_EVENT_PRESSED)
12140         {
12141           start_lx = lx;
12142           start_ly = ly;
12143         }
12144
12145         switch (actual_drawing_function)
12146         {
12147           case GADGET_ID_SINGLE_ITEMS:
12148             text = "Drawing single items";
12149             break;
12150           case GADGET_ID_CONNECTED_ITEMS:
12151             text = "Drawing connected items";
12152             break;
12153           case GADGET_ID_LINE:
12154             text = "Drawing line";
12155             break;
12156           case GADGET_ID_ARC:
12157             text = "Drawing arc";
12158             break;
12159           case GADGET_ID_TEXT:
12160             text = "Setting text cursor";
12161             break;
12162           case GADGET_ID_RECTANGLE:
12163             text = "Drawing rectangle";
12164             break;
12165           case GADGET_ID_FILLED_BOX:
12166             text = "Drawing filled box";
12167             break;
12168           case GADGET_ID_FLOOD_FILL:
12169             text = "Flood fill";
12170             break;
12171           case GADGET_ID_GRAB_BRUSH:
12172             text = "Grabbing brush";
12173             break;
12174           case GADGET_ID_PICK_ELEMENT:
12175             text = "Picking element";
12176             break;
12177
12178           default:
12179             text = "Drawing position";
12180             break;
12181         }
12182
12183         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12184           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12185         else
12186           sprintf(infotext, "%s: %d, %d", text,
12187                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12188       }
12189       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12190         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12191       else
12192         sprintf(infotext, "Level position: %d, %d", lx, ly);
12193     }
12194
12195     /* misuse this function to draw brush cursor, if needed */
12196     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12197     {
12198       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12199         CopyBrushToCursor(sx, sy);
12200       else
12201         DeleteBrushFromCursor();
12202     }
12203   }
12204   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12205   {
12206     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12207     int element = drawingarea_info[type_id].value[pos];
12208
12209     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12210   }
12211   else
12212   {
12213     if (id == GADGET_ID_CUSTOM_CONTENT)
12214       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12215     else if (id == GADGET_ID_GROUP_CONTENT)
12216       sprintf(infotext, "group element position: %d", sx + 1);
12217     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12218              id <= GADGET_ID_YAMYAM_CONTENT_7)
12219       sprintf(infotext, "content area %d position: %d, %d",
12220               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12221     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12222              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12223       sprintf(infotext, "content area %d position: %d, %d",
12224               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12225     else if (id == GADGET_ID_ANDROID_CONTENT)
12226       sprintf(infotext, "android element position: %d", sx + 1);
12227     else if (drawingarea_info[type_id].infotext != NULL)
12228       strcpy(infotext, drawingarea_info[type_id].infotext);
12229   }
12230
12231   infotext[max_infotext_len] = '\0';
12232
12233   if (strlen(infotext) > 0)
12234     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12235 }
12236
12237 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12238                             boolean quick_quit)
12239 {
12240   if (!ask_if_level_has_changed ||
12241       !LevelChanged() ||
12242       Request("Level has changed! Exit without saving?",
12243               REQ_ASK | REQ_STAY_OPEN))
12244   {
12245     SetDoorState(DOOR_CLOSE_2);
12246
12247     if (quick_quit)
12248       FadeSkipNextFadeIn();
12249
12250     game_status = GAME_MODE_MAIN;
12251
12252     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
12253   }
12254   else
12255   {
12256     if (!global.use_envelope_request)
12257     {
12258       CloseDoor(DOOR_CLOSE_1);
12259       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12260     }
12261   }
12262 }