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_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  73 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  74                                          ED_DRAWINGAREA_BORDER_SIZE)
  75 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  76
  77 /* values for drawingarea gadgets */
  78 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  79 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  80 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  81 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  82 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  83
  84 /* values for checkbutton gadgets */
  85 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  86 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  87
  88 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  89 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  90
  91 #define ED_LEVEL_SETTINGS_TABS_X        (editor.settings.tabs.x)
  92 #define ED_LEVEL_SETTINGS_TABS_Y        (editor.settings.tabs.y)
  93 #define ED_ELEMENT_SETTINGS_TABS_X      (editor.settings.tabs.x)
  94 #define ED_ELEMENT_SETTINGS_TABS_Y      (editor.settings.tabs.y +       \
  95                                          editor.settings.tabs.yoffset2)
  96
  97 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
  98 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
  99
 100 #define ED_LEVEL_SETTINGS_XSTART        (ED_LEVEL_SETTINGS_TABS_X +     \
 101                                          ED_SETTINGS_TABS_XOFFSET)
 102 #define ED_LEVEL_SETTINGS_YSTART        (ED_LEVEL_SETTINGS_TABS_Y +     \
 103                                          ED_TABBUTTON_YSIZE +           \
 104                                          ED_GADGET_TINY_DISTANCE +      \
 105                                          ED_TAB_BAR_HEIGHT +            \
 106                                          ED_SETTINGS_TABS_YOFFSET +     \
 107                                          getFontHeight(FONT_TEXT_1) +   \
 108                                          ED_GADGET_TEXT_DISTANCE)
 109 #define ED_ELEMENT_SETTINGS_XSTART      (ED_ELEMENT_SETTINGS_TABS_X +   \
 110                                          ED_SETTINGS_TABS_XOFFSET)
 111 #define ED_ELEMENT_SETTINGS_YSTART      (ED_ELEMENT_SETTINGS_TABS_Y +   \
 112                                          ED_TABBUTTON_YSIZE +           \
 113                                          ED_GADGET_TINY_DISTANCE +      \
 114                                          ED_TAB_BAR_HEIGHT +            \
 115                                          ED_SETTINGS_TABS_YOFFSET)
 116
 117 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 118                                          ED_GADGET_TEXT_DISTANCE)
 119 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 120                                          ED_GADGET_LINE_DISTANCE)
 121
 122 #define ED_POS_LEVEL_SETTINGS_RANGE     (10000)
 123 #define ED_POS_LEVEL_SETTINGS_FIRST     (1 * ED_POS_LEVEL_SETTINGS_RANGE)
 124 #define ED_POS_LEVEL_SETTINGS_LAST      (2 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 125 #define ED_POS_ELEMENT_SETTINGS_FIRST   (2 * ED_POS_LEVEL_SETTINGS_RANGE)
 126 #define ED_POS_ELEMENT_SETTINGS_LAST    (3 * ED_POS_LEVEL_SETTINGS_RANGE - 1)
 127
 128 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 129 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 130
 131 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 132 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 133
 134 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 135                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 136 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 137                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 138
 139 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 140 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 141
 142 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 143                                          (n) * ED_SETTINGS_XOFFSET)
 144 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 145                                          (n) * ED_SETTINGS_YOFFSET)
 146
 147 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 148                                          (n) * ED_SETTINGS_XOFFSET)
 149 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 150                                          (n) * ED_SETTINGS_YOFFSET)
 151
 152 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 153   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 154 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 155   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 156
 157 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 158   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 159 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 160   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 161
 162 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 163                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 164                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 165                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 166 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_SETTINGS(n) ?     \
 167                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 168                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 169                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 170
 171 #define ED_TAB_SETTINGS_X(n)            (IS_POS_LEVEL_SETTINGS(n) ?     \
 172                                          ED_LEVEL_SETTINGS_TABS_X :     \
 173                                          ED_ELEMENT_SETTINGS_TABS_X)
 174 #define ED_TAB_SETTINGS_Y(n)            (IS_POS_LEVEL_SETTINGS(n) ?     \
 175                                          ED_LEVEL_SETTINGS_TABS_Y :     \
 176                                          ED_ELEMENT_SETTINGS_TABS_Y)
 177
 178 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 179                                          ED_DRAWINGAREA_TILE_SIZE)
 180 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 181                                          ED_DRAWINGAREA_TILE_SIZE)
 182
 183 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 184                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 185 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 186                                          (ED_CHECKBUTTON_YSIZE -        \
 187                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 188
 189 #define ED_AREA_XOFFSET_2(n)      (0)
 190 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 191                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 192
 193 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 194                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 195                                     ED_AREA_XOFFSET_1((i).x) -          \
 196                                     ED_AREA_XOFFSET_2((i).area_xsize))
 197 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 198                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 199                                     ED_AREA_YOFFSET_1((i).y) -          \
 200                                     ED_AREA_YOFFSET_2((i).area_ysize))
 201
 202 /* values for element content drawing areas */
 203 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 204 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 205 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 206 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 207
 208 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 209 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 210 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 211 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 212
 213 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 214 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 215 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 216 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 217
 218 /* element content */
 219 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 220 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 221
 222 /* yamyam content */
 223 #define ED_XPOS_YAM                     0
 224 #define ED_YPOS_YAM                     5
 225 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 226 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 227 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 228 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 229 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 230                                          ED_SETTINGS_XOFF(n))
 231 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 232                                          ED_SETTINGS_YOFF(n) +          \
 233                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 234                                          ED_AREA_YOFFSET_2(3))
 235
 236 /* magic ball content */
 237 #define ED_XPOS_BALL                    0
 238 #define ED_YPOS_BALL                    6
 239 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 240 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 241 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 242 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 243 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 244                                          ED_SETTINGS_XOFF(n))
 245 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 246                                          ED_SETTINGS_YOFF(n) +          \
 247                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 248                                          ED_AREA_YOFFSET_2(3))
 249
 250 /* values for scrolling gadgets for drawing area */
 251 #define ED_SCROLLBUTTON_XSIZE           16
 252 #define ED_SCROLLBUTTON_YSIZE           16
 253
 254 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 255 #define ED_SCROLL_UP_YPOS               (0)
 256 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 257 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 258 #define ED_SCROLL_LEFT_XPOS             (0)
 259 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 260 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 261 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 262 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 263                                          ED_SCROLLBUTTON_XSIZE)
 264 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 265 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 266 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 267 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 268 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 269                                          ED_SCROLLBUTTON_YSIZE)
 270 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 271 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 272
 273 /* values for scrolling gadgets for element list */
 274 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 275 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 276
 277 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 278                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 279                                          ED_ELEMENTLIST_XSIZE)
 280 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 281 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 282 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 283                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 284                                          ED_ELEMENTLIST_YSIZE -         \
 285                                          ED_SCROLLBUTTON2_YSIZE)
 286 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 287 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 288                                          ED_SCROLLBUTTON2_YSIZE)
 289 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 290 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 291                                          ED_ELEMENTLIST_YSIZE -         \
 292                                          2 * ED_SCROLLBUTTON2_YSIZE)
 293
 294 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 295 #define INFOTEXT_FONT           FONT_TEXT_2
 296 #define INFOTEXT_XSIZE          SXSIZE
 297 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 298 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 299 #define INFOTEXT_XPOS           SX
 300 #define INFOTEXT_YPOS           (SY + SYSIZE - INFOTEXT_YSIZE)
 301
 302
 303 /*
 304   -----------------------------------------------------------------------------
 305   editor gadget definitions
 306   -----------------------------------------------------------------------------
 307 */
 308
 309 /* drawing toolbox buttons */
 310 #define GADGET_ID_NONE                  -1
 311 #define GADGET_ID_TOOLBOX_FIRST         0
 312
 313 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 314 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 315 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 316 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 317 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 318 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 319 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 320 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 321 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 322 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 323 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 324 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 325 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 326 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 327 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 328 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 329
 330 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 331 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 332 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 333 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 334 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 335 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 336
 337 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 338 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 339 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 340 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 341 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 342
 343 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 344
 345 /* counter gadget identifiers */
 346 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 28)
 347
 348 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 349 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 350 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 351 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 352 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 353 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 354 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 355 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 356 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 357 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 358 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 359 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 360 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 361 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 362 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 363 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 364 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 365 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 366 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 367 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 368 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 369 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 370 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 371 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 372 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 24)
 373 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 25)
 374 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 26)
 375 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 376 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 377 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 29)
 378 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 379 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 380 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 32)
 381 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 382 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 383 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 35)
 384 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 385 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 386 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 38)
 387 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 39)
 388 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 40)
 389 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 41)
 390 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 42)
 391 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 43)
 392 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 44)
 393 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 45)
 394 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 46)
 395 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 47)
 396 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 397 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 398 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 399 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 400 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 401 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 402 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 54)
 403 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 55)
 404 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 56)
 405 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 57)
 406 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 58)
 407 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 59)
 408 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 60)
 409 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 61)
 410 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 62)
 411 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 412 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 413 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 65)
 414 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 66)
 415 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 67)
 416 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 68)
 417 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 418 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 419 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 71)
 420 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 421 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 422 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 74)
 423 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 424 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 425 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 77)
 426 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 427 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 428 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 80)
 429 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 430 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 431 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 83)
 432 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 84)
 433 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 85)
 434 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 86)
 435 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 87)
 436 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 88)
 437 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 89)
 438 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 90)
 439 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 91)
 440 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 92)
 441 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 442 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 443 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 95)
 444 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 96)
 445 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 97)
 446 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 98)
 447 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 99)
 448 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 100)
 449 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 101)
 450
 451 /* drawing area identifiers */
 452 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 102)
 453
 454 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 455 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 456 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 457 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 458 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 459 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 460 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 461 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 462 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 463 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 464 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 465 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 466 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 467 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 468 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 469 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 470 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 471 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 472 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 473 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 474 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 475 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 476 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 477 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 478 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 479 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 480 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 481 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 482 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 483 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 484 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 485 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 486 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 487
 488 /* text input identifiers */
 489 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 490
 491 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 492 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 493 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 2)
 494
 495 /* text area identifiers */
 496 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 497
 498 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 499
 500 /* selectbox identifiers */
 501 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 502
 503 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 504 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 505 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 2)
 506 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 3)
 507 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 4)
 508 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 5)
 509 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 6)
 510 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 7)
 511 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 8)
 512 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 9)
 513 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 10)
 514 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 11)
 515 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 12)
 516 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 13)
 517 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 14)
 518 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 15)
 519 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 16)
 520 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 17)
 521 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 18)
 522 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 19)
 523 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 20)
 524 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 21)
 525 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 22)
 526 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 23)
 527 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 24)
 528 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 25)
 529 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 26)
 530 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 27)
 531 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 28)
 532
 533 /* textbutton identifiers */
 534 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 29)
 535
 536 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 537 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 1)
 538 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 2)
 539 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 3)
 540 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 4)
 541 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 542 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 6)
 543 #define GADGET_ID_SAVE_AS_TEMPLATE      (GADGET_ID_TEXTBUTTON_FIRST + 7)
 544 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 8)
 545 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 9)
 546
 547 /* graphicbutton identifiers */
 548 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 10)
 549
 550 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 551 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 552 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 553 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 554
 555 /* gadgets for scrolling of drawing area */
 556 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 557
 558 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 559 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 560 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 561 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 562 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 563 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 564
 565 /* gadgets for scrolling element list */
 566 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 567
 568 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 569 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 570 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 571
 572 /* checkbuttons/radiobuttons for level/element properties */
 573 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 574
 575 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 0)
 576 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 1)
 577 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 2)
 578 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 3)
 579 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 4)
 580 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 5)
 581 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 6)
 582 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 7)
 583 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 8)
 584 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 9)
 585 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 586 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 11)
 587 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 12)
 588 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 13)
 589 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 590 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 15)
 591 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 16)
 592 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 593 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 18)
 594 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 19)
 595 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 20)
 596 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 21)
 597 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 22)
 598 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 23)
 599 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 24)
 600 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 601 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 602 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 603 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 604 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 605 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 30)
 606 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 31)
 607 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 32)
 608 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 33)
 609 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 610 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 35)
 611 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 612 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 613 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 38)
 614 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 39)
 615 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 40)
 616 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 41)
 617 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 618 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 43)
 619 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 44)
 620 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 45)
 621 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 46)
 622 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 47)
 623 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 624 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 49)
 625 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 626 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 51)
 627 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 52)
 628 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 53)
 629 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 54)
 630
 631 /* gadgets for buttons in element list */
 632 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 633 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 634                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 635
 636 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 637
 638 /* radio button numbers */
 639 #define RADIO_NR_NONE                   0
 640 #define RADIO_NR_DRAWING_TOOLBOX        1
 641 #define RADIO_NR_RANDOM_ELEMENTS        2
 642
 643 /* values for counter gadgets */
 644 #define ED_COUNTER_ID_SELECT_LEVEL      0
 645 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 646 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 647 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 648 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 649 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 650 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 651 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 652 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 653 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 654 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 655 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 656 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 657 #define ED_COUNTER_ID_BALL_CONTENT      13
 658 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 659 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 660 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 661 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 662 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 663 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 664 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 665 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 666 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 667 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 668 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 669 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 670 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 671 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 672 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 673 #define ED_COUNTER_ID_IGNITION_DELAY    29
 674 #define ED_COUNTER_ID_GROUP_CONTENT     30
 675 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 676 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 677 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 678
 679 #define ED_NUM_COUNTERBUTTONS           34
 680
 681 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 682 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 683 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 684 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 685
 686 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 687 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 688 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 689 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 690 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 691 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 692
 693 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 694 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 695
 696 /* values for scrollbutton gadgets */
 697 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 698 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 699 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 700 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 701 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 702 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 703
 704 #define ED_NUM_SCROLLBUTTONS            6
 705
 706 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 707 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 708
 709 /* values for scrollbar gadgets */
 710 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 711 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 712 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 713
 714 #define ED_NUM_SCROLLBARS               3
 715
 716 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 717 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 718
 719 /* values for text input gadgets */
 720 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 721 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 722 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 723
 724 #define ED_NUM_TEXTINPUT                3
 725
 726 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 727 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 728
 729 /* values for text area gadgets */
 730 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 731
 732 #define ED_NUM_TEXTAREAS                        1
 733
 734 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 735 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 736
 737 /* values for selectbox gadgets */
 738 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 739 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 740 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 741 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 742 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 743 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 744 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 745 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 746 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 747 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 748 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 749 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 750 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 751 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 752 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 753 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 754 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 755 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 756 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 757 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 758 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 759 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 760 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 761 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 762 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 763 #define ED_SELECTBOX_ID_ACTION_MODE             25
 764 #define ED_SELECTBOX_ID_ACTION_ARG              26
 765 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 766 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 767
 768 #define ED_NUM_SELECTBOX                        29
 769
 770 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 771 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 772
 773 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 774 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 775 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 776 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 777 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 778 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 779
 780 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 781 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 782
 783 /* values for textbutton gadgets */
 784 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 785 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 786 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 787 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 788 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 789 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 790 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 791 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 792 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 793 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 794
 795 #define ED_NUM_TEXTBUTTONS                      10
 796
 797 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 798 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 799
 800 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 801 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 802
 803 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 804 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 805
 806 /* values for graphicbutton gadgets */
 807 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 808 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 809 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 810 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 811
 812 #define ED_NUM_GRAPHICBUTTONS                   4
 813
 814 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 815 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 816
 817 /* values for checkbutton gadgets */
 818 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 819 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 820 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 821 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 822 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 823 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 824 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 825 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 826 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 827 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 828 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 829 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 830 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 831 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 832 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 833 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 834 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       16
 835 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     17
 836 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   18
 837 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 19
 838 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       20
 839 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 21
 840 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  22
 841 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    23
 842 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    24
 843 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     25
 844 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     26
 845 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     27
 846 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    28
 847 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   29
 848 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     30
 849 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 31
 850 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 32
 851 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 33
 852 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 34
 853 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       35
 854 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       36
 855 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      37
 856 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       38
 857 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         39
 858 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    40
 859 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   41
 860 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  42
 861 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 43
 862 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     44
 863 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          45
 864 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  46
 865 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   47
 866 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  48
 867 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    49
 868 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  50
 869 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     51
 870 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     52
 871
 872 #define ED_NUM_CHECKBUTTONS                     53
 873
 874 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 875 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 876
 877 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 878 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 879 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 880 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 881 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 882 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 883
 884 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 885 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 886
 887 /* values for radiobutton gadgets */
 888 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 889 #define ED_RADIOBUTTON_ID_QUANTITY      1
 890
 891 #define ED_NUM_RADIOBUTTONS             2
 892
 893 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 894 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 895
 896 /* values for drawing area gadgets */
 897 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 898 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 899 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 900 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 901 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 902 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 903 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 904 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 905 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 906 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 907 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 908 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 909 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 910 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 911 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 912 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 913 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 914 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 915 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 916 #define ED_DRAWING_ID_START_ELEMENT             19
 917 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 918 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 919 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 920 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 921 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 922 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 923 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 924 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 925 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 926 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 927 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 928 #define ED_DRAWING_ID_GROUP_CONTENT             31
 929 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 930
 931 #define ED_NUM_DRAWING_AREAS                    33
 932
 933
 934 /*
 935   -----------------------------------------------------------------------------
 936   some internally used definitions
 937   -----------------------------------------------------------------------------
 938 */
 939
 940 /* values for CopyLevelToUndoBuffer() */
 941 #define UNDO_IMMEDIATE                  0
 942 #define UNDO_ACCUMULATE                 1
 943
 944 /* values for scrollbars */
 945 #define ED_SCROLL_NO                    0
 946 #define ED_SCROLL_LEFT                  1
 947 #define ED_SCROLL_RIGHT                 2
 948 #define ED_SCROLL_UP                    4
 949 #define ED_SCROLL_DOWN                  8
 950
 951 /* screens in the level editor */
 952 #define ED_MODE_DRAWING                 0
 953 #define ED_MODE_INFO                    1
 954 #define ED_MODE_PROPERTIES              2
 955
 956 /* sub-screens in the global settings section */
 957 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 958 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 959
 960 /* sub-screens in the element properties section */
 961 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 962 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 963 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 964 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 965 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 966
 967 /* how many steps can be cancelled */
 968 #define NUM_UNDO_STEPS                  (64 + 1)
 969
 970 /* values for elements with score for certain actions */
 971 #define MIN_SCORE                       0
 972 #define MAX_SCORE                       999
 973
 974 /* values for elements with count for collecting */
 975 #define MIN_COLLECT_COUNT               0
 976 #define MAX_COLLECT_COUNT               999
 977
 978 /* values for random placement */
 979 #define RANDOM_USE_PERCENTAGE           0
 980 #define RANDOM_USE_QUANTITY             1
 981
 982 /* default value for element tile size in drawing area */
 983 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
 984
 985
 986 /*
 987   -----------------------------------------------------------------------------
 988   some internally used data structure definitions
 989   -----------------------------------------------------------------------------
 990 */
 991
 992 static struct
 993 {
 994   int graphic;
 995   int gadget_id;
 996   struct XY *pos;
 997   int gadget_type;
 998   char *infotext;
 999   char shortcut;
1000 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1001 {
1002   /* note: some additional characters are already reserved for "cheat mode"
1003      shortcuts (":XYZ" style) -- for details, see "events.c" */
1004
1005   /* ---------- toolbox control buttons ------------------------------------ */
1006
1007   {
1008     IMG_EDITOR_BUTTON_GFX_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1009     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1010     "draw single items",                        's'
1011   },
1012   {
1013     IMG_EDITOR_BUTTON_GFX_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1014     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1015     "draw connected items",                     'd'
1016   },
1017   {
1018     IMG_EDITOR_BUTTON_GFX_DRAW_LINE,            GADGET_ID_LINE,
1019     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1020     "draw lines",                               'l'
1021   },
1022   {
1023     IMG_EDITOR_BUTTON_GFX_DRAW_ARC,             GADGET_ID_ARC,
1024     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1025     "draw arcs",                                'a'
1026   },
1027   {
1028     IMG_EDITOR_BUTTON_GFX_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1029     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1030     "draw outline rectangles",                  'r'
1031   },
1032   {
1033     IMG_EDITOR_BUTTON_GFX_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1034     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1035     "draw filled rectangles",                   'R'
1036   },
1037   {
1038     IMG_EDITOR_BUTTON_GFX_ROTATE_UP,            GADGET_ID_WRAP_UP,
1039     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1040     "wrap (rotate) level up",                   0
1041   },
1042   {
1043     IMG_EDITOR_BUTTON_GFX_DRAW_TEXT,            GADGET_ID_TEXT,
1044     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1045     "enter text elements",                      't'
1046   },
1047   {
1048     IMG_EDITOR_BUTTON_GFX_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1049     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1050     "flood fill",                               'f'
1051   },
1052   {
1053     IMG_EDITOR_BUTTON_GFX_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1054     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1055     "wrap (rotate) level left",                 0
1056   },
1057   {
1058     IMG_EDITOR_BUTTON_GFX_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1059     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1060     "zoom level tile size",                     '+'
1061   },
1062   {
1063     IMG_EDITOR_BUTTON_GFX_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1064     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1065     "wrap (rotate) level right",                0
1066   },
1067   {
1068     IMG_EDITOR_BUTTON_GFX_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1069     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1070     "random element placement",                 0
1071   },
1072   {
1073     IMG_EDITOR_BUTTON_GFX_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1074     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1075     "grab brush",                               'b'
1076   },
1077   {
1078     IMG_EDITOR_BUTTON_GFX_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1079     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1080     "wrap (rotate) level down",                 0
1081   },
1082   {
1083     IMG_EDITOR_BUTTON_GFX_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1084     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1085     "pick drawing element",                     ','
1086   },
1087
1088   /* ---------- level control buttons -------------------------------------- */
1089
1090   {
1091     IMG_EDITOR_BUTTON_GFX_UNDO,                 GADGET_ID_UNDO,
1092     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1093     "undo/redo last operation",                 'u'
1094   },
1095   {
1096     IMG_EDITOR_BUTTON_GFX_CONF,                 GADGET_ID_INFO,
1097     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1098     "properties of level",                      'I'
1099   },
1100   {
1101     IMG_EDITOR_BUTTON_GFX_SAVE,                 GADGET_ID_SAVE,
1102     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1103     "save level",                               'S'
1104   },
1105   {
1106     IMG_EDITOR_BUTTON_GFX_CLEAR,                GADGET_ID_CLEAR,
1107     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1108     "clear level",                              'C'
1109   },
1110   {
1111     IMG_EDITOR_BUTTON_GFX_TEST,                 GADGET_ID_TEST,
1112     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1113     "test level",                               'T'
1114   },
1115   {
1116     IMG_EDITOR_BUTTON_GFX_EXIT,                 GADGET_ID_EXIT,
1117     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1118     "exit level editor",                        'E'
1119   },
1120
1121   /* ---------- CE and GE control buttons ---------------------------------- */
1122
1123   {
1124     IMG_EDITOR_BUTTON_GFX_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1125     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1126     "copy settings from other element",         0
1127   },
1128   {
1129     IMG_EDITOR_BUTTON_GFX_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1130     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1131     "copy settings to other element",           0
1132   },
1133   {
1134     IMG_EDITOR_BUTTON_GFX_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1135     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1136     "exchange element with other element",      0
1137   },
1138   {
1139     IMG_EDITOR_BUTTON_GFX_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1140     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1141     "copy settings from this element",          0
1142   },
1143   {
1144     IMG_EDITOR_BUTTON_GFX_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1145     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1146     "paste settings to this element",           0
1147   },
1148
1149   /* ---------- palette control buttons ------------------------------------ */
1150
1151   {
1152     IMG_EDITOR_BUTTON_GFX_PROPERTIES,           GADGET_ID_PROPERTIES,
1153     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1154     "properties of drawing element",            'p'
1155   }
1156 };
1157
1158 static int random_placement_value = 10;
1159 static int random_placement_method = RANDOM_USE_QUANTITY;
1160 static int random_placement_background_element = EL_SAND;
1161 static boolean random_placement_background_restricted = FALSE;
1162 static boolean stick_element_properties_window = FALSE;
1163 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1164 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1165 static struct ElementChangeInfo custom_element_change;
1166 static struct ElementGroupInfo group_element_info;
1167 static struct ElementInfo custom_element;
1168
1169 static struct
1170 {
1171   int x, y;
1172   int min_value, max_value;
1173   int gadget_id_down, gadget_id_up;
1174   int gadget_id_text;
1175   int gadget_id_align;
1176   int *value;
1177   char *text_above, *text_left, *text_right;
1178 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1179 {
1180   /* ---------- current level number --------------------------------------- */
1181
1182   {
1183     -1, -1,     /* these values are not constant, but can change at runtime */
1184     1,                                  100,
1185     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1186     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1187     &level_nr,
1188     NULL,                               NULL, NULL
1189   },
1190
1191   /* ---------- level and editor settings ---------------------------------- */
1192
1193   {
1194     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1195     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1196     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1197     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1198     &level.fieldx,
1199     "playfield size:",                  NULL, "width",
1200   },
1201   {
1202     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1203     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1204     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1205     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1206     &level.fieldy,
1207     NULL,                               " ", "height",
1208   },
1209   {
1210     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1211     0,                                  999,
1212     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1213     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1214     &level.gems_needed,
1215     NULL,                               "number of gems to collect:", NULL
1216   },
1217   {
1218     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1219     0,                                  9999,
1220     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1221     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1222     &level.time,
1223     "time or step limit to solve level:", NULL, NULL
1224   },
1225   {
1226     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1227     0,                                  999,
1228     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1229     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1230     &level.score[SC_TIME_BONUS],
1231     "score for each second/step left:", NULL, NULL
1232   },
1233   {
1234     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1235     0,                                  9999,
1236     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1237     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1238     &level.random_seed,
1239     NULL,                               "random seed:", "(0 => random)"
1240   },
1241   {
1242     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1243     1,                                  100,
1244     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1245     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1246     &random_placement_value,
1247     "random element placement:",        NULL, "in"
1248   },
1249
1250   /* ---------- element settings: configure (various elements) ------------- */
1251
1252   {
1253     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1254     MIN_SCORE,                          MAX_SCORE,
1255     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1256     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1257     NULL,                               /* will be set when used */
1258     NULL,                               NULL, NULL
1259   },
1260   {
1261     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1262     MIN_SCORE,                          MAX_SCORE,
1263     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1264     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1265     NULL,                               /* will be set when used */
1266     NULL,                               NULL, NULL
1267   },
1268   {
1269     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1270     MIN_SCORE,                          MAX_SCORE,
1271     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1272     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1273     NULL,                               /* will be set when used */
1274     NULL,                               NULL, NULL
1275   },
1276   {
1277     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1278     MIN_SCORE,                          MAX_SCORE,
1279     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1280     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1281     NULL,                               /* will be set when used */
1282     NULL,                               NULL, NULL
1283   },
1284   {
1285     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1286     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1287     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1288     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1289     &level.num_yamyam_contents,
1290     NULL,                               NULL, "number of content areas"
1291   },
1292   {
1293     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1294     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1295     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1296     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1297     &level.num_ball_contents,
1298     NULL,                               NULL, "number of content areas"
1299   },
1300   {
1301     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1302     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1303     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1304     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1305     &level.num_android_clone_elements,
1306     NULL,                               NULL, "number of clonable elements"
1307   },
1308   {
1309     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1310     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1311     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1312     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1313     NULL,                               /* will be set when used */
1314     NULL,                               NULL, "width",
1315   },
1316   {
1317     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1318     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1319     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1320     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1321     NULL,                               /* will be set when used */
1322     NULL,                               " ", "height",
1323   },
1324   {
1325     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1326     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1327     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1328     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1329     &level.initial_inventory_size[0],
1330     NULL,                               NULL, "number of inventory elements"
1331   },
1332
1333   /* ---------- element settings: configure 1 (custom elements) ------------ */
1334
1335   {
1336     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1337     MIN_SCORE,                          MAX_SCORE,
1338     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1339     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1340     &custom_element.collect_score_initial,
1341     NULL,                               "CE score", " "
1342   },
1343   {
1344     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1345     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1346     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1347     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1348     &custom_element.collect_count_initial,
1349     NULL,                               "CE count", NULL
1350   },
1351   {
1352     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1353     0,                                  9999,
1354     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1355     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1356     &custom_element.ce_value_fixed_initial,
1357     NULL,                               "CE value", NULL
1358   },
1359   {
1360     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1361     0,                                  9999,
1362     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1363     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1364     &custom_element.ce_value_random_initial,
1365     NULL,                               "+random", NULL
1366   },
1367   {
1368     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1369     0,                                  999,
1370     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1371     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1372     &custom_element.push_delay_fixed,
1373     NULL,                               "push delay", NULL
1374   },
1375   {
1376     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1377     0,                                  999,
1378     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1379     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1380     &custom_element.push_delay_random,
1381     NULL,                               "+random", NULL
1382   },
1383   {
1384     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1385     0,                                  999,
1386     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1387     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1388     &custom_element.drop_delay_fixed,
1389     NULL,                               "drop delay", NULL
1390   },
1391   {
1392     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1393     0,                                  999,
1394     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1395     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1396     &custom_element.drop_delay_random,
1397     NULL,                               "+random", NULL
1398   },
1399
1400   /* ---------- element settings: configure 2 (custom elements) ------------ */
1401
1402   {
1403     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1404     0,                                  999,
1405     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1406     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1407     &custom_element.move_delay_fixed,
1408     NULL,                               "move delay", NULL
1409   },
1410   {
1411     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1412     0,                                  999,
1413     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1414     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1415     &custom_element.move_delay_random,
1416     NULL,                               "+random", NULL
1417   },
1418   {
1419     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1420     0,                                  999,
1421     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1422     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1423     &custom_element.explosion_delay,
1424     NULL,                               "explosion delay", NULL
1425   },
1426   {
1427     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1428     0,                                  999,
1429     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1430     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1431     &custom_element.ignition_delay,
1432     NULL,                               "ignition delay", "(by fire)"
1433   },
1434
1435   /* ---------- element settings: configure (group elements) --------------- */
1436
1437   {
1438     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1439     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1440     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1441     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1442     &group_element_info.num_elements,
1443     NULL,                               NULL, "number of elements in group"
1444   },
1445
1446   /* ---------- element settings: advanced (custom elements) --------------- */
1447
1448   {
1449     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1450     0,                                  999,
1451     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1452     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1453     &custom_element_change.delay_fixed,
1454     NULL,                               "CE delay", NULL,
1455   },
1456   {
1457     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1458     0,                                  999,
1459     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1460     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1461     &custom_element_change.delay_random,
1462     NULL,                               "+random", NULL
1463   },
1464   {
1465     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1466     0,                                  100,
1467     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1468     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1469     &custom_element_change.random_percentage,
1470     NULL,                               "use random replace:", "%"
1471   },
1472 };
1473
1474 static struct
1475 {
1476   int x, y;
1477   int gadget_id;
1478   int size;
1479   char *value;
1480   char *text_above, *infotext;
1481 } textinput_info[ED_NUM_TEXTINPUT] =
1482 {
1483   {
1484     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1485     GADGET_ID_LEVEL_NAME,
1486     MAX_LEVEL_NAME_LEN,
1487     level.name,
1488     "Title:", "Title"
1489   },
1490   {
1491     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1492     GADGET_ID_LEVEL_AUTHOR,
1493     MAX_LEVEL_AUTHOR_LEN,
1494     level.author,
1495     "Author:", "Author"
1496   },
1497   {
1498     -1, -1,     /* these values are not constant, but can change at runtime */
1499     GADGET_ID_ELEMENT_NAME,
1500     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1501     custom_element.description,
1502     NULL, "Element name"
1503   }
1504 };
1505
1506 static struct
1507 {
1508   int x, y;
1509   int gadget_id;
1510   int xsize, ysize;
1511   char *value;
1512   char *text_above, *infotext;
1513 } textarea_info[ED_NUM_TEXTAREAS] =
1514 {
1515   {
1516     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1517     GADGET_ID_ENVELOPE_INFO,
1518     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1519     NULL,
1520     "Envelope Content:", "Envelope Content"
1521   }
1522 };
1523
1524 static struct ValueTextInfo options_time_or_steps[] =
1525 {
1526   { 0,                          "seconds"                       },
1527   { 1,                          "steps"                         },
1528
1529   { -1,                         NULL                            }
1530 };
1531
1532 static struct ValueTextInfo options_game_engine_type[] =
1533 {
1534   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1535   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1536   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1537
1538   { -1,                         NULL                            }
1539 };
1540
1541 static struct ValueTextInfo options_wind_direction[] =
1542 {
1543   { MV_START_NONE,              "none"                          },
1544   { MV_START_LEFT,              "left"                          },
1545   { MV_START_RIGHT,             "right"                         },
1546   { MV_START_UP,                "up"                            },
1547   { MV_START_DOWN,              "down"                          },
1548
1549   { -1,                         NULL                            }
1550 };
1551
1552 static struct ValueTextInfo options_player_speed[] =
1553 {
1554   { 0,                          "frozen"                        },
1555   { 1,                          "very slow"                     },
1556   { 2,                          "slow"                          },
1557   { 4,                          "normal"                        },
1558   { 8,                          "fast"                          },
1559   { 16,                         "very fast"                     },
1560   { 32,                         "ultrafast"                     },
1561
1562   { -1,                         NULL                            }
1563 };
1564
1565 static struct ValueTextInfo options_access_type[] =
1566 {
1567   { EP_WALKABLE,                "walkable"                      },
1568   { EP_PASSABLE,                "passable"                      },
1569
1570   { -1,                         NULL                            }
1571 };
1572
1573 static struct ValueTextInfo options_access_layer[] =
1574 {
1575   { EP_ACCESSIBLE_OVER,         "over"                          },
1576   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1577   { EP_ACCESSIBLE_UNDER,        "under"                         },
1578
1579   { -1,                         NULL                            }
1580 };
1581
1582 static struct ValueTextInfo options_access_protected[] =
1583 {
1584   { 0,                          "unprotected"                   },
1585   { 1,                          "protected"                     },
1586
1587   { -1,                         NULL                            }
1588 };
1589
1590 static struct ValueTextInfo options_access_direction[] =
1591 {
1592   { MV_NO_DIRECTION,            "no direction"                  },
1593   { MV_LEFT,                    "left"                          },
1594   { MV_RIGHT,                   "right"                         },
1595   { MV_UP,                      "up"                            },
1596   { MV_DOWN,                    "down"                          },
1597   { MV_LEFT  | MV_UP,           "left + up"                     },
1598   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1599   { MV_RIGHT | MV_UP,           "right + up"                    },
1600   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1601   { MV_HORIZONTAL,              "horizontal"                    },
1602   { MV_VERTICAL,                "vertical"                      },
1603   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1604   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1605   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1606   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1607   { MV_ALL_DIRECTIONS,          "all directions"                },
1608
1609   { -1,                         NULL                            }
1610 };
1611
1612 static struct ValueTextInfo options_walk_to_action[] =
1613 {
1614   { EP_DIGGABLE,                "diggable"                      },
1615   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1616   { EP_DROPPABLE,               "collectible & droppable"       },
1617   { EP_THROWABLE,               "collectible & throwable"       },
1618   { EP_PUSHABLE,                "pushable"                      },
1619
1620   { -1,                         NULL                            }
1621 };
1622
1623 static struct ValueTextInfo options_move_pattern[] =
1624 {
1625   { MV_LEFT,                    "left"                          },
1626   { MV_RIGHT,                   "right"                         },
1627   { MV_UP,                      "up"                            },
1628   { MV_DOWN,                    "down"                          },
1629   { MV_HORIZONTAL,              "horizontal"                    },
1630   { MV_VERTICAL,                "vertical"                      },
1631   { MV_ALL_DIRECTIONS,          "all directions"                },
1632   { MV_WIND_DIRECTION,          "wind direction"                },
1633   { MV_TOWARDS_PLAYER,          "towards player"                },
1634   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1635   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1636   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1637   { MV_TURNING_LEFT,            "turning left"                  },
1638   { MV_TURNING_RIGHT,           "turning right"                 },
1639   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1640   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1641   { MV_TURNING_RANDOM,          "turning random"                },
1642   { MV_MAZE_RUNNER,             "maze runner style"             },
1643   { MV_MAZE_HUNTER,             "maze hunter style"             },
1644   { MV_WHEN_PUSHED,             "when pushed"                   },
1645   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1646
1647   { -1,                         NULL                            }
1648 };
1649
1650 static struct ValueTextInfo options_move_direction[] =
1651 {
1652   { MV_START_AUTOMATIC,         "automatic"                     },
1653   { MV_START_LEFT,              "left"                          },
1654   { MV_START_RIGHT,             "right"                         },
1655   { MV_START_UP,                "up"                            },
1656   { MV_START_DOWN,              "down"                          },
1657   { MV_START_RANDOM,            "random"                        },
1658   { MV_START_PREVIOUS,          "previous"                      },
1659
1660   { -1,                         NULL                            }
1661 };
1662
1663 static struct ValueTextInfo options_move_stepsize[] =
1664 {
1665   { 0,                          "not moving"                    },
1666   { 1,                          "very slow"                     },
1667   { 2,                          "slow"                          },
1668   { 4,                          "normal"                        },
1669   { 8,                          "fast"                          },
1670   { 16,                         "very fast"                     },
1671   { 32,                         "even faster"                   },
1672
1673   { -1,                         NULL                            }
1674 };
1675
1676 static struct ValueTextInfo options_move_leave_type[] =
1677 {
1678   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1679   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1680
1681   { -1,                         NULL                            }
1682 };
1683
1684 static struct ValueTextInfo options_smash_targets[] =
1685 {
1686   { EP_CAN_SMASH_PLAYER,        "player"                        },
1687 #if 0
1688   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1689 #endif
1690   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1691
1692   { -1,                         NULL                            }
1693 };
1694
1695 static struct ValueTextInfo options_slippery_type[] =
1696 {
1697   { SLIPPERY_ANY_RANDOM,        "random"                        },
1698   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1699   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1700   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1701   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1702
1703   { -1,                         NULL                            }
1704 };
1705
1706 static struct ValueTextInfo options_deadliness[] =
1707 {
1708   { EP_DONT_RUN_INTO,           "running into"                  },
1709   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1710   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1711   { EP_DONT_TOUCH,              "touching"                      },
1712
1713   { -1,                         NULL                            }
1714 };
1715
1716 static struct ValueTextInfo options_explosion_type[] =
1717 {
1718   { EXPLODES_3X3,               "3x3"                           },
1719   { EXPLODES_CROSS,             "3+3"                           },
1720   { EXPLODES_1X1,               "1x1"                           },
1721
1722   { -1,                         NULL                            }
1723 };
1724
1725 static struct ValueTextInfo options_time_units[] =
1726 {
1727   { 1,                          "frames"                        },
1728   { FRAMES_PER_SECOND,          "seconds"                       },
1729
1730   { -1,                         NULL                            }
1731 };
1732
1733 static struct ValueTextInfo options_change_direct_action[] =
1734 {
1735   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1736   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1737   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1738   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1739   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1740   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1741   { CE_LEFT_BY_PLAYER,          "left by player"                },
1742   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1743   { CE_SWITCHED,                "switched"                      },
1744   { CE_HITTING_SOMETHING,       "hitting something"             },
1745   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1746 #if 0
1747   { CE_BLOCKED,                 "blocked"                       },
1748 #endif
1749   { CE_IMPACT,                  "impact (on something)"         },
1750   { CE_SMASHED,                 "smashed (from above)"          },
1751 #if 0
1752   { CE_VALUE_CHANGES,           "CE value changes"              },
1753   { CE_SCORE_CHANGES,           "CE score changes"              },
1754 #endif
1755   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1756   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1757
1758   { -1,                         NULL                            }
1759 };
1760
1761 static struct ValueTextInfo options_change_other_action[] =
1762 {
1763   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1764   { CE_PLAYER_PRESSES_X,        "player presses"                },
1765   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1766   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1767   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1768   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1769   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1770   { CE_PLAYER_DIGS_X,           "player digs"                   },
1771   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1772   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1773   { CE_TOUCHING_X,              "touching"                      },
1774   { CE_HITTING_X,               "hitting"                       },
1775   { CE_DIGGING_X,               "digging"                       },
1776   { CE_HIT_BY_X,                "hit by"                        },
1777   { CE_SWITCH_OF_X,             "switch of"                     },
1778   { CE_CHANGE_OF_X,             "change by page of"             },
1779   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1780   { CE_MOVE_OF_X,               "move of"                       },
1781   { CE_CREATION_OF_X,           "creation of"                   },
1782   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1783   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1784   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1785   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1786
1787   { -1,                         NULL                            }
1788 };
1789
1790 static struct ValueTextInfo options_change_trigger_side[] =
1791 {
1792   { CH_SIDE_LEFT,               "left"                          },
1793   { CH_SIDE_RIGHT,              "right"                         },
1794   { CH_SIDE_TOP,                "top"                           },
1795   { CH_SIDE_BOTTOM,             "bottom"                        },
1796   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1797   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1798   { CH_SIDE_ANY,                "any"                           },
1799
1800   { -1,                         NULL                            }
1801 };
1802
1803 static struct ValueTextInfo options_change_trigger_player[] =
1804 {
1805   { CH_PLAYER_1,                "1"                             },
1806   { CH_PLAYER_2,                "2"                             },
1807   { CH_PLAYER_3,                "3"                             },
1808   { CH_PLAYER_4,                "4"                             },
1809   { CH_PLAYER_ANY,              "any"                           },
1810
1811   { -1,                         NULL                            }
1812 };
1813
1814 static struct ValueTextInfo options_change_trigger_page[] =
1815 {
1816   { (1 << 0),                   "1"                             },
1817   { (1 << 1),                   "2"                             },
1818   { (1 << 2),                   "3"                             },
1819   { (1 << 3),                   "4"                             },
1820   { (1 << 4),                   "5"                             },
1821   { (1 << 5),                   "6"                             },
1822   { (1 << 6),                   "7"                             },
1823   { (1 << 7),                   "8"                             },
1824   { (1 << 8),                   "9"                             },
1825   { (1 << 9),                   "10"                            },
1826   { (1 << 10),                  "11"                            },
1827   { (1 << 11),                  "12"                            },
1828   { (1 << 12),                  "13"                            },
1829   { (1 << 13),                  "14"                            },
1830   { (1 << 14),                  "15"                            },
1831   { (1 << 15),                  "16"                            },
1832   { (1 << 16),                  "17"                            },
1833   { (1 << 17),                  "18"                            },
1834   { (1 << 18),                  "19"                            },
1835   { (1 << 19),                  "20"                            },
1836   { (1 << 20),                  "21"                            },
1837   { (1 << 21),                  "22"                            },
1838   { (1 << 22),                  "23"                            },
1839   { (1 << 23),                  "24"                            },
1840   { (1 << 24),                  "25"                            },
1841   { (1 << 25),                  "26"                            },
1842   { (1 << 26),                  "27"                            },
1843   { (1 << 27),                  "28"                            },
1844   { (1 << 28),                  "29"                            },
1845   { (1 << 29),                  "30"                            },
1846   { (1 << 30),                  "31"                            },
1847   { (1 << 31),                  "32"                            },
1848   { CH_PAGE_ANY,                "any"                           },
1849
1850   { -1,                         NULL                            }
1851 };
1852
1853 static struct ValueTextInfo options_change_replace_when[] =
1854 {
1855   { CP_WHEN_EMPTY,              "empty"                         },
1856   { CP_WHEN_WALKABLE,           "walkable"                      },
1857   { CP_WHEN_DIGGABLE,           "diggable"                      },
1858   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1859   { CP_WHEN_REMOVABLE,          "removable"                     },
1860   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1861
1862   { -1,                         NULL                            }
1863 };
1864
1865 static struct ValueTextInfo options_action_type[] =
1866 {
1867   { CA_NO_ACTION,               "no action"                     },
1868   { CA_UNDEFINED,               " "                             },
1869   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1870   { CA_RESTART_LEVEL,           "restart level"                 },
1871   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1872   { CA_SET_LEVEL_TIME,          "set time"                      },
1873   { CA_SET_LEVEL_SCORE,         "set score"                     },
1874   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1875   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1876   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1877   { CA_UNDEFINED,               " "                             },
1878   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1879   { CA_MOVE_PLAYER,             "move player"                   },
1880   { CA_EXIT_PLAYER,             "exit player"                   },
1881   { CA_KILL_PLAYER,             "kill player"                   },
1882   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1883   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1884   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1885   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1886   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1887   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1888   { CA_UNDEFINED,               " "                             },
1889   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1890   { CA_SET_CE_VALUE,            "set CE value"                  },
1891   { CA_SET_CE_SCORE,            "set CE score"                  },
1892   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1893   { CA_UNDEFINED,               " "                             },
1894   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1895   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1896
1897   { -1,                         NULL                            }
1898 };
1899
1900 static struct ValueTextInfo options_action_mode_none[] =
1901 {
1902   { CA_MODE_UNDEFINED,          " "                             },
1903
1904   { -1,                         NULL                            }
1905 };
1906
1907 static struct ValueTextInfo options_action_mode_assign[] =
1908 {
1909   { CA_MODE_SET,                "="                             },
1910
1911   { -1,                         NULL                            }
1912 };
1913
1914 static struct ValueTextInfo options_action_mode_add_remove[] =
1915 {
1916   { CA_MODE_ADD,                "+"                             },
1917   { CA_MODE_SUBTRACT,           "-"                             },
1918
1919   { -1,                         NULL                            }
1920 };
1921
1922 static struct ValueTextInfo options_action_mode_calculate[] =
1923 {
1924   { CA_MODE_SET,                "="                             },
1925   { CA_MODE_ADD,                "+"                             },
1926   { CA_MODE_SUBTRACT,           "-"                             },
1927   { CA_MODE_MULTIPLY,           "*"                             },
1928   { CA_MODE_DIVIDE,             "/"                             },
1929   { CA_MODE_MODULO,             "%"                             },
1930
1931   { -1,                         NULL                            }
1932 };
1933
1934 static struct ValueTextInfo options_action_arg_none[] =
1935 {
1936   { CA_ARG_UNDEFINED,           "         "                     },
1937
1938   { -1,                         NULL                            }
1939 };
1940
1941 static struct ValueTextInfo options_action_arg_player[] =
1942 {
1943   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1944   { CA_ARG_PLAYER_1,            "1"                             },
1945   { CA_ARG_PLAYER_2,            "2"                             },
1946   { CA_ARG_PLAYER_3,            "3"                             },
1947   { CA_ARG_PLAYER_4,            "4"                             },
1948   { CA_ARG_PLAYER_ANY,          "any"                           },
1949   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1950   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1951
1952   { -1,                         NULL                            }
1953 };
1954
1955 static struct ValueTextInfo options_action_arg_number[] =
1956 {
1957   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1958   { CA_ARG_0,                   "0"                             },
1959   { CA_ARG_1,                   "1"                             },
1960   { CA_ARG_2,                   "2"                             },
1961   { CA_ARG_3,                   "3"                             },
1962   { CA_ARG_4,                   "4"                             },
1963   { CA_ARG_5,                   "5"                             },
1964   { CA_ARG_10,                  "10"                            },
1965   { CA_ARG_100,                 "100"                           },
1966   { CA_ARG_1000,                "1000"                          },
1967   { CA_ARG_UNDEFINED,           " "                             },
1968   { CA_ARG_NUMBER_MIN,          "min"                           },
1969   { CA_ARG_NUMBER_MAX,          "max"                           },
1970   { CA_ARG_UNDEFINED,           " "                             },
1971   { CA_ARG_NUMBER_RESET,        "reset"                         },
1972   { CA_ARG_UNDEFINED,           " "                             },
1973   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1974   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1975   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1976   { CA_ARG_UNDEFINED,           " "                             },
1977   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1978   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1979   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1980   { CA_ARG_UNDEFINED,           " "                             },
1981   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1982   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1983   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1984   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1985   { CA_ARG_UNDEFINED,           " "                             },
1986   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1987   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1988   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1989   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1990
1991   { -1,                         NULL                            }
1992 };
1993
1994 static struct ValueTextInfo options_action_arg_value[] =
1995 {
1996   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1997   { CA_ARG_0,                   "0"                             },
1998   { CA_ARG_1,                   "1"                             },
1999   { CA_ARG_2,                   "2"                             },
2000   { CA_ARG_3,                   "3"                             },
2001   { CA_ARG_4,                   "4"                             },
2002   { CA_ARG_5,                   "5"                             },
2003   { CA_ARG_10,                  "10"                            },
2004   { CA_ARG_100,                 "100"                           },
2005   { CA_ARG_1000,                "1000"                          },
2006   { CA_ARG_UNDEFINED,           " "                             },
2007   { CA_ARG_NUMBER_MIN,          "min"                           },
2008   { CA_ARG_NUMBER_MAX,          "max"                           },
2009   { CA_ARG_UNDEFINED,           " "                             },
2010   { CA_ARG_NUMBER_RESET,        "reset"                         },
2011   { CA_ARG_UNDEFINED,           " "                             },
2012   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2013   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2014   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2015   { CA_ARG_UNDEFINED,           " "                             },
2016   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2017   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2018   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2019   { CA_ARG_UNDEFINED,           " "                             },
2020   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2021   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2022   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2023   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2024   { CA_ARG_UNDEFINED,           " "                             },
2025   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2026   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2027   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2028   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2029   { CA_ARG_UNDEFINED,           " "                             },
2030   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2031   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2032   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2033   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2034
2035   { -1,                         NULL                            }
2036 };
2037
2038 static struct ValueTextInfo options_action_arg_envelope[] =
2039 {
2040   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2041   { CA_ARG_1,                   "1"                             },
2042   { CA_ARG_2,                   "2"                             },
2043   { CA_ARG_3,                   "3"                             },
2044   { CA_ARG_4,                   "4"                             },
2045   { CA_ARG_UNDEFINED,           " "                             },
2046   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2047   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2048   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2049   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2050
2051   { -1,                         NULL                            }
2052 };
2053
2054 static struct ValueTextInfo options_action_arg_key[] =
2055 {
2056   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2057   { CA_ARG_1,                   "1"                             },
2058   { CA_ARG_2,                   "2"                             },
2059   { CA_ARG_3,                   "3"                             },
2060   { CA_ARG_4,                   "4"                             },
2061   { CA_ARG_5,                   "5"                             },
2062   { CA_ARG_6,                   "6"                             },
2063   { CA_ARG_7,                   "7"                             },
2064   { CA_ARG_8,                   "8"                             },
2065   { CA_ARG_UNDEFINED,           " "                             },
2066   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2067   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2068   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2069   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2070
2071   { -1,                         NULL                            }
2072 };
2073
2074 static struct ValueTextInfo options_action_arg_speed[] =
2075 {
2076   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2077   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2078   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2079   { CA_ARG_SPEED_SLOW,          "slow"                          },
2080   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2081   { CA_ARG_SPEED_FAST,          "fast"                          },
2082   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2083   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2084   { CA_ARG_UNDEFINED,           " "                             },
2085   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2086   { CA_ARG_SPEED_FASTER,        "faster"                        },
2087   { CA_ARG_UNDEFINED,           " "                             },
2088   { CA_ARG_SPEED_RESET,         "reset"                         },
2089
2090   { -1,                         NULL                            }
2091 };
2092
2093 static struct ValueTextInfo options_action_arg_shield[] =
2094 {
2095   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2096   { CA_ARG_SHIELD_OFF,          "off"                           },
2097   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2098   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2099
2100   { -1,                         NULL                            }
2101 };
2102
2103 static struct ValueTextInfo options_action_arg_artwork[] =
2104 {
2105   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2106   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2107   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2108   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2109   { CA_ARG_UNDEFINED,           " "                             },
2110   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2111
2112   { -1,                         NULL                            }
2113 };
2114
2115 static struct ValueTextInfo options_action_arg_gravity[] =
2116 {
2117   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2118   { CA_ARG_GRAVITY_ON,          "on"                            },
2119   { CA_ARG_GRAVITY_OFF,         "off"                           },
2120   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2121
2122   { -1,                         NULL                            }
2123 };
2124
2125 static struct ValueTextInfo options_action_arg_direction[] =
2126 {
2127   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2128   { CA_ARG_DIRECTION_NONE,      "none"                          },
2129   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2130   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2131   { CA_ARG_DIRECTION_UP,        "up"                            },
2132   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2133   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2134   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2135
2136   { -1,                         NULL                            }
2137 };
2138
2139 static struct ValueTextInfo options_action_arg_scan_mode[] =
2140 {
2141   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2142   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2143   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2144
2145   { -1,                         NULL                            }
2146 };
2147
2148 static struct ValueTextInfo options_action_arg_inventory[] =
2149 {
2150   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2151   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2152   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2153   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2154   { CA_ARG_UNDEFINED,           " "                             },
2155   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2156   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2157   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2158   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2159   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2160   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2161   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2162   { CA_ARG_UNDEFINED,           " "                             },
2163   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2164
2165   { -1,                         NULL                            }
2166 };
2167
2168 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2169 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2170 {
2171   { -1,                         NULL                            }
2172 };
2173
2174 static struct ValueTextInfo options_group_choice_mode[] =
2175 {
2176   { ANIM_RANDOM,                "random"                        },
2177   { ANIM_LOOP,                  "loop"                          },
2178   { ANIM_LINEAR,                "linear"                        },
2179   { ANIM_PINGPONG,              "pingpong"                      },
2180   { ANIM_PINGPONG2,             "pingpong 2"                    },
2181
2182   { -1,                         NULL                            }
2183 };
2184
2185 static struct ValueTextInfo *action_arg_modes[] =
2186 {
2187   options_action_mode_none,
2188   options_action_mode_assign,
2189   options_action_mode_add_remove,
2190   options_action_mode_calculate,
2191 };
2192
2193 static struct
2194 {
2195   int value;
2196   int mode;
2197   struct ValueTextInfo *options;
2198 }
2199 action_arg_options[] =
2200 {
2201   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2202   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2203   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2204   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2205   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2206   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2207   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2208   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2209   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2210   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2211   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2212   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2213   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2214   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2215   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2216   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2217   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2218   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2219   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2220   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2221   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2222
2223   { -1,                         FALSE,  NULL                            }
2224 };
2225
2226 static struct
2227 {
2228   int x, y;
2229   int gadget_id;
2230   int gadget_id_align;
2231   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2232   struct ValueTextInfo *options;
2233   int *value;
2234   char *text_left, *text_right, *infotext;
2235 } selectbox_info[ED_NUM_SELECTBOX] =
2236 {
2237   /* ---------- level and editor settings ---------------------------------- */
2238
2239   {
2240     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2241     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2242     -1,
2243     options_time_or_steps,
2244     &level.use_step_counter,
2245     NULL, "(0 => no limit)",            "time or step limit"
2246   },
2247   {
2248     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2249     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2250     -1,
2251     options_game_engine_type,
2252     &level.game_engine_type,
2253     "game engine:", NULL,               "game engine"
2254   },
2255   {
2256     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2257     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2258     -1,
2259     options_wind_direction,
2260     &level.wind_direction_initial,
2261     "initial wind direction:", NULL,    "initial wind direction"
2262   },
2263
2264   /* ---------- element settings: configure (several elements) ------------- */
2265
2266   {
2267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2268     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2269     -1,
2270     options_player_speed,
2271     &level.initial_player_stepsize[0],
2272     "initial player speed:", NULL,      "initial player speed"
2273   },
2274
2275   /* ---------- element settings: configure 1 (custom elements) ------------ */
2276
2277   {
2278     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2279     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2280     -1,
2281     options_access_type,
2282     &custom_element.access_type,
2283     NULL, NULL,                         "type of access to this field"
2284   },
2285   {
2286     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2287     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2288     -1,
2289     options_access_layer,
2290     &custom_element.access_layer,
2291     NULL, NULL,                         "layer of access for this field"
2292   },
2293   {
2294     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2295     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2296     -1,
2297     options_access_protected,
2298     &custom_element.access_protected,
2299     NULL, NULL,                         "protected access for this field"
2300   },
2301   {
2302     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2303     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2304     -1,
2305     options_access_direction,
2306     &custom_element.access_direction,
2307     "from", NULL,                       "access direction for this field"
2308   },
2309   {
2310     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2311     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2312     -1,
2313     options_walk_to_action,
2314     &custom_element.walk_to_action,
2315     NULL, NULL,                         "diggable/collectible/pushable"
2316   },
2317
2318   /* ---------- element settings: configure 2 (custom elements) ------------ */
2319
2320   {
2321     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2322     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2323     -1,
2324     options_move_pattern,
2325     &custom_element.move_pattern,
2326     "can move", NULL,                   "element move pattern"
2327   },
2328   {
2329     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2330     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2331     -1,
2332     options_move_direction,
2333     &custom_element.move_direction_initial,
2334     "starts moving", NULL,              "initial element move direction"
2335   },
2336   {
2337     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2338     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2339     -1,
2340     options_move_stepsize,
2341     &custom_element.move_stepsize,
2342     "move/fall speed", NULL,            "speed of element movement"
2343   },
2344   {
2345     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2346     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2347     -1,
2348     options_move_leave_type,
2349     &custom_element.move_leave_type,
2350     // left text with leading spaces to place gadget next to "can dig" gadget
2351     // (needed because drawing area gadgets created after selectbox gadgets)
2352     // "can dig:    can", ":",          "leave behind or change element"
2353     "            can", ":",             "leave behind or change element"
2354   },
2355   {
2356     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2357     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2358     -1,
2359     options_smash_targets,
2360     &custom_element.smash_targets,
2361     "can smash", NULL,                  "elements that can be smashed"
2362   },
2363   {
2364     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2365     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2366     -1,
2367     options_slippery_type,
2368     &custom_element.slippery_type,
2369     "slippery", NULL,                   "where other elements fall down"
2370   },
2371   {
2372     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2373     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2374     -1,
2375     options_deadliness,
2376     &custom_element.deadliness,
2377     "deadly when", NULL,                "deadliness of element"
2378   },
2379   {
2380     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2381     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2382     -1,
2383     options_explosion_type,
2384     &custom_element.explosion_type,
2385     "can explode", NULL,                "explosion type"
2386   },
2387
2388   /* ---------- element settings: advanced (custom elements) --------------- */
2389
2390   {
2391     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2392     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2393     -1,
2394     options_time_units,
2395     &custom_element_change.delay_frames,
2396     "delay time given in", NULL,        "delay time units for change"
2397   },
2398   {
2399     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2400     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2401     -1,
2402     options_change_direct_action,
2403     &custom_element_change.direct_action,
2404     NULL, NULL,                         "type of direct action"
2405   },
2406   {
2407     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2408     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2409     -1,
2410     options_change_other_action,
2411     &custom_element_change.other_action,
2412     NULL, "element:",                   "type of other element action"
2413   },
2414   {
2415     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2416     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2417     -1,
2418     options_change_trigger_side,
2419     &custom_element_change.trigger_side,
2420     "at", "side",                       "element side triggering change"
2421   },
2422   {
2423     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2424     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2425     -1,
2426     options_change_trigger_player,
2427     &custom_element_change.trigger_player,
2428     "player:", " ",                     "player that causes change"
2429   },
2430   {
2431     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2432     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2433     -1,
2434     options_change_trigger_page,
2435     &custom_element_change.trigger_page,
2436     "page:", NULL,                      "change page that causes change"
2437   },
2438   {
2439     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2440     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2441     -1,
2442     options_change_replace_when,
2443     &custom_element_change.replace_when,
2444     "replace when", NULL,               "which elements can be replaced"
2445   },
2446   {
2447     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2448     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2449     -1,
2450     options_action_type,
2451     &custom_element_change.action_type,
2452     NULL, NULL,                         "action on specified condition"
2453   },
2454   {
2455     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2456     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2457     -1,
2458     options_action_mode_none,
2459     &custom_element_change.action_mode,
2460     NULL, NULL,                         "action operator"
2461   },
2462   {
2463     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2464     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2465     -1,
2466     options_action_arg_none,
2467     &custom_element_change.action_arg,
2468     NULL, NULL,                         "action parameter"
2469   },
2470   {
2471     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2472     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2473     3,
2474     options_change_page,
2475     &custom_element.current_change_page,
2476     NULL, NULL,                         "element change page"
2477   },
2478
2479   /* ---------- element settings: configure (group elements) --------------- */
2480
2481   {
2482     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2483     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2484     -1,
2485     options_group_choice_mode,
2486     &group_element_info.choice_mode,
2487     "choice type:", NULL,               "type of group element choice"
2488   },
2489 };
2490
2491 static struct
2492 {
2493   int x, y;
2494   int gadget_id;
2495   int gadget_id_align;
2496   int size;
2497   char *text;
2498   char *text_left, *text_right, *infotext;
2499 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2500 {
2501   {
2502     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
2503     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2504     8,                                  "Level",
2505     NULL, NULL,                         "Configure level properties"
2506   },
2507   {
2508     -1,                                 -1,
2509     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2510     8,                                  "Editor",
2511     NULL, NULL,                         "Configure editor properties"
2512   },
2513   {
2514     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2515     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2516     8,                                  "Info",
2517     NULL, NULL,                         "Show information about element"
2518   },
2519   {
2520     -1,                                 -1,
2521     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2522     8,                                  "Config",
2523     NULL, NULL,                         "Configure element properties"
2524   },
2525   {
2526     -1,                                 -1,
2527     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2528     8,                                  "Config 1",
2529     NULL, NULL,                         "Configure element properties, part 1"
2530   },
2531   {
2532     -1,                                 -1,
2533     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2534     8,                                  "Config 2",
2535     NULL, NULL,                         "Configure element properties, part 2"
2536   },
2537   {
2538     -1,                                 -1,
2539     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2540     8,                                  "Change",
2541     NULL, NULL,                         "Configure custom element change pages"
2542   },
2543   {
2544     -1,                                 -1,
2545     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2546     -1,                                 "Save",
2547     " ", "As Template",                 "Save current settings as new template"
2548   },
2549   {
2550     -1,                                 -1,
2551     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2552     -1,                                 "New",
2553     NULL, NULL,                         "Add new change page"
2554   },
2555   {
2556     -1,                                 -1,
2557     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2558     -1,                                 "Delete",
2559     NULL, NULL,                         "Delete current change page"
2560   },
2561 };
2562
2563 static struct
2564 {
2565   int graphic;
2566   int x, y;
2567   int gadget_id;
2568   int gadget_id_align;
2569   char *text_left, *text_right, *infotext;
2570 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2571 {
2572   {
2573     IMG_EDITOR_COUNTER_DOWN,
2574     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2575     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2576     NULL, NULL,                         "select previous change page"
2577   },
2578   {
2579     IMG_EDITOR_COUNTER_UP,
2580     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2581     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2582     NULL, "change page",                "select next change page"
2583   },
2584   {
2585     IMG_EDITOR_BUTTON_GFX_CP_COPY,
2586     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2587     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2588     " ", NULL,                          "copy settings from this change page"
2589   },
2590   {
2591     IMG_EDITOR_BUTTON_GFX_CP_PASTE,
2592     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2593     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2594     NULL, NULL,                         "paste settings to this change page"
2595   },
2596 };
2597
2598 static struct
2599 {
2600   int x, y;
2601 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2602
2603 static struct
2604 {
2605   int graphic;
2606   int gadget_id;
2607   char *infotext;
2608 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2609 {
2610   {
2611     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2612     GADGET_ID_SCROLL_UP,
2613     "scroll level editing area up"
2614   },
2615   {
2616     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2617     GADGET_ID_SCROLL_DOWN,
2618     "scroll level editing area down"
2619   },
2620   {
2621     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2622     GADGET_ID_SCROLL_LEFT,
2623     "scroll level editing area left"
2624   },
2625   {
2626     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2627     GADGET_ID_SCROLL_RIGHT,
2628     "scroll level editing area right"
2629   },
2630   {
2631     IMG_EDITOR_PALETTE_SCROLL_UP,
2632     GADGET_ID_SCROLL_LIST_UP,
2633     "scroll element list up ('Page Up')"
2634   },
2635   {
2636     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2637     GADGET_ID_SCROLL_LIST_DOWN,
2638     "scroll element list down ('Page Down')"
2639   },
2640 };
2641
2642 static struct
2643 {
2644   int x, y;
2645   int width, height;
2646   int wheel_x, wheel_y;
2647   int wheel_width, wheel_height;
2648 } scrollbar_pos[ED_NUM_SCROLLBARS];
2649
2650 static struct
2651 {
2652   int graphic;
2653   int type;
2654   int gadget_id;
2655   char *infotext;
2656 } scrollbar_info[ED_NUM_SCROLLBARS] =
2657 {
2658   {
2659     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2660     GD_TYPE_SCROLLBAR_HORIZONTAL,
2661     GADGET_ID_SCROLL_HORIZONTAL,
2662     "scroll level editing area horizontally"
2663   },
2664   {
2665     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2666     GD_TYPE_SCROLLBAR_VERTICAL,
2667     GADGET_ID_SCROLL_VERTICAL,
2668     "scroll level editing area vertically"
2669   },
2670   {
2671     IMG_EDITOR_PALETTE_SCROLLBAR,
2672     GD_TYPE_SCROLLBAR_VERTICAL,
2673     GADGET_ID_SCROLL_LIST_VERTICAL,
2674     "scroll element list vertically"
2675   }
2676 };
2677
2678
2679 static struct
2680 {
2681   int x, y;
2682   int gadget_id;
2683   int gadget_id_align;
2684   int radio_button_nr;
2685   int *value;
2686   int checked_value;
2687   char *text_left, *text_right, *infotext;
2688 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2689 {
2690   {
2691     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2692     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2693     RADIO_NR_RANDOM_ELEMENTS,
2694     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2695     " ", "percentage",                  "use percentage for random elements"
2696   },
2697   {
2698     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2699     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2700     RADIO_NR_RANDOM_ELEMENTS,
2701     &random_placement_method,           RANDOM_USE_QUANTITY,
2702     " ", "quantity",                    "use quantity for random elements"
2703   }
2704 };
2705
2706 static struct
2707 {
2708   int x, y;
2709   int gadget_id;
2710   int gadget_id_align;
2711   boolean *value;
2712   char *text_left, *text_right, *infotext;
2713 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2714 {
2715   /* ---------- level and editor settings ---------------------------------- */
2716
2717   {
2718     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2719     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2720     &random_placement_background_restricted,
2721     NULL,
2722     "restrict random placement to:",    "set random placement restriction"
2723   },
2724
2725   /* ---------- element settings: configure (various elements) ------------- */
2726
2727   {
2728     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2729     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2730     &stick_element_properties_window,
2731     NULL,
2732     "stick this screen to edit content","stick this screen to edit content"
2733   },
2734   {
2735     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2736     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2737     &level.em_slippery_gems,
2738     NULL,
2739     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2740   },
2741   {
2742     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2743     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2744     &level.em_explodes_by_fire,
2745     NULL,
2746     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2747   },
2748   {
2749     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2750     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2751     &level.use_spring_bug,
2752     NULL,
2753     "use spring pushing bug",           "use odd spring pushing behaviour"
2754   },
2755   {
2756     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2757     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2758     &level.use_time_orb_bug,
2759     NULL,
2760     "use time orb bug",                 "use odd time orb behaviour"
2761   },
2762   {
2763     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2764     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2765     &level.ball_random,
2766     NULL,
2767     "create single random element",     "only create one element from content"
2768   },
2769   {
2770     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2771     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2772     &level.ball_state_initial,
2773     NULL,
2774     "magic ball initially activated",   "activate magic ball after level start"
2775   },
2776   {
2777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2778     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2779     &level.grow_into_diggable,
2780     NULL,
2781     "can grow into anything diggable",  "grow into more than just sand"
2782   },
2783   {
2784     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2785     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2786     &level.auto_exit_sokoban,
2787     NULL,
2788     "exit level if all fields solved",  "automatically finish Sokoban levels"
2789   },
2790   {
2791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2792     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2793     &level.continuous_snapping,
2794     NULL,
2795     "continuous snapping",              "use snapping without releasing key"
2796   },
2797   {
2798     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2799     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2800     &level.block_snap_field,
2801     NULL,
2802     "block snapped field when snapping", "use snapping delay to show animation"
2803   },
2804   {
2805     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2806     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2807     &level.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(2),
2813     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2814     &level.sp_block_last_field,
2815     NULL,
2816     "block last field when moving",     "player blocks last field when moving"
2817   },
2818   {
2819     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2820     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2821     &level.instant_relocation,
2822     NULL,
2823     "no scrolling when relocating",     "player gets relocated without delay"
2824   },
2825   {
2826     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2827     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2828     &level.shifted_relocation,
2829     NULL,
2830     "no centering when relocating",     "level not centered after relocation"
2831   },
2832   {
2833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2834     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
2835     &level.lazy_relocation,
2836     NULL,
2837     "only redraw off-screen relocation","no redraw if relocation target visible"
2838   },
2839   {
2840     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2841     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2842     &level.use_start_element[0],
2843     NULL,
2844     "use level start element:",        "start level at this element's position"
2845   },
2846   {
2847     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2848     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2849     &level.use_artwork_element[0],
2850     NULL,
2851     "use artwork from element:",        "use player artwork from other element"
2852   },
2853   {
2854     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2855     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2856     &level.use_explosion_element[0],
2857     NULL,
2858     "use explosion from element:",      "use explosion properties from element"
2859   },
2860   {
2861     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
2862     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2863     &level.initial_player_gravity[0],
2864     NULL,
2865     "use initial gravity",              "set initial player gravity"
2866   },
2867   {
2868     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2869     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2870     &level.use_initial_inventory[0],
2871     NULL,
2872     "use initial inventory:",           "use collected elements on level start"
2873   },
2874   {
2875     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2876     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2877     &level.can_pass_to_walkable,
2878     NULL,
2879     "can pass to walkable element",     "player can pass to empty or walkable"
2880   },
2881   {
2882     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2883     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2884     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2885     NULL,
2886     "can fall into acid (with gravity)","player can fall into acid pool"
2887   },
2888   {
2889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2890     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2891     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2892     NULL,
2893     "can move into acid",               "element can move into acid pool"
2894   },
2895   {
2896     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2897     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2898     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2899     NULL,
2900     "deadly when colliding with",       "element is deadly when hitting player"
2901   },
2902   {
2903     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2904     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2905     &level.envelope[0].autowrap,
2906     NULL,
2907     "auto-wrap",                        "automatically wrap envelope text"
2908   },
2909   {
2910     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2911     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2912     &level.envelope[0].centered,
2913     " ",
2914     "centered",                         "automatically center envelope text"
2915   },
2916
2917   /* ---------- element settings: configure 1 (custom elements) ----------- */
2918
2919   {
2920     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2921     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2922     &custom_element.use_gfx_element,
2923     NULL,
2924     "use graphic of element:",          "use existing element graphic"
2925   },
2926   {
2927     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2928     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2929     &level.use_custom_template,
2930     NULL,
2931     "use template",                     "use template for custom properties"
2932   },
2933   {
2934     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2935     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2936     &custom_element_properties[EP_ACCESSIBLE],
2937     NULL,
2938     NULL,                               "player can walk to or pass this field"
2939   },
2940   {
2941     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2942     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2943     &custom_element_properties[EP_GRAVITY_REACHABLE],
2944     NULL,
2945     "reachable despite gravity",        "player can walk/dig despite gravity"
2946   },
2947   {
2948     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2949     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2950     &custom_element.use_last_ce_value,
2951     NULL,
2952     "use last CE value after change",   "use last CE value after change"
2953   },
2954   {
2955     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2956     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2957     &custom_element_properties[EP_WALK_TO_OBJECT],
2958     NULL,
2959     NULL,                               "player can dig/collect/push element"
2960   },
2961   {
2962     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2963     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2964     &custom_element_properties[EP_INDESTRUCTIBLE],
2965     NULL,
2966     "indestructible",                   "element is indestructible"
2967   },
2968
2969   /* ---------- element settings: configure 2 (custom elements) ----------- */
2970
2971   {
2972     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2973     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2974     &custom_element_properties[EP_CAN_MOVE],
2975     NULL,
2976     NULL,                               "element can move with some pattern"
2977   },
2978   {
2979     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2980     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2981     &custom_element_properties[EP_CAN_FALL],
2982     NULL,
2983     "can fall",                         "element can fall down"
2984   },
2985   {
2986     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2987     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2988     &custom_element_properties[EP_CAN_SMASH],
2989     " ",
2990     NULL,                               "element can smash other elements"
2991   },
2992   {
2993     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2994     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2995     &custom_element_properties[EP_SLIPPERY],
2996     NULL,
2997     NULL,                               "other elements can fall down from it"
2998   },
2999   {
3000     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3001     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3002     &custom_element_properties[EP_DEADLY],
3003     NULL,
3004     NULL,                               "element can kill the player"
3005   },
3006   {
3007     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3008     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3009     &custom_element_properties[EP_CAN_EXPLODE],
3010     NULL,
3011     NULL,                               "element can explode"
3012   },
3013   {
3014     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3015     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3016     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3017     NULL,
3018     "by fire",                          "element can explode by fire/explosion"
3019   },
3020   {
3021     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3022     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3023     &custom_element_properties[EP_EXPLODES_SMASHED],
3024     " ",
3025     "smashed",                          "element can explode when smashed"
3026   },
3027   {
3028     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3029     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3030     &custom_element_properties[EP_EXPLODES_IMPACT],
3031     " ",
3032     "impact",                           "element can explode on impact"
3033   },
3034
3035   /* ---------- element settings: advanced (custom elements) --------------- */
3036
3037   {
3038     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3039     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3040     &custom_element_change.can_change,
3041     NULL,
3042     "element changes to:",              "change element on specified condition"
3043   },
3044   {
3045     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3046     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3047     &custom_element_change_events[CE_DELAY],
3048     NULL,
3049     NULL,                               "element changes after delay"
3050   },
3051   {
3052     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3053     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3054     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3055     NULL,
3056     NULL,                               "element changes by direct action"
3057   },
3058   {
3059     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3060     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3061     &custom_element_change_events[CE_BY_OTHER_ACTION],
3062     NULL,
3063     NULL,                               "element changes by other element"
3064   },
3065   {
3066     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3067     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3068     &custom_element_change.explode,
3069     NULL,
3070     "explode instead of change",        "element explodes instead of change"
3071   },
3072   {
3073     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3074     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3075     &custom_element_change.use_target_content,
3076     NULL,
3077     "use extended change target:",      "element changes to more elements"
3078   },
3079   {
3080     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3081     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3082     &custom_element_change.only_if_complete,
3083     NULL,
3084     "replace all or nothing",           "only replace when all can be changed"
3085   },
3086   {
3087     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3088     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3089     &custom_element_change.use_random_replace,
3090     NULL,
3091     NULL,                               "use percentage for random replace"
3092   },
3093   {
3094     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3095     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3096     &custom_element_change.has_action,
3097     NULL,
3098     NULL,                               "execute action on specified condition"
3099   },
3100 };
3101
3102 static struct
3103 {
3104   int x, y;
3105   int xoffset, yoffset;
3106   int gadget_id;
3107   int gadget_id_align;
3108   int *value;
3109   int area_xsize, area_ysize;
3110   char *text_left, *text_right, *text_below, *infotext;
3111 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3112 {
3113   /* ---------- level playfield content ------------------------------------ */
3114
3115   {
3116     0,                                  0,
3117     0,                                  0,
3118     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3119     NULL,
3120     -1, -1,     /* these values are not constant, but can change at runtime */
3121     NULL, NULL, NULL,                   NULL
3122   },
3123
3124   /* ---------- yam yam content -------------------------------------------- */
3125
3126   {
3127     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3128     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3129     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3130     &level.yamyam_content[0].e[0][0],   3, 3,
3131     NULL, NULL, "1",                    NULL
3132   },
3133   {
3134     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3135     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3136     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3137     &level.yamyam_content[1].e[0][0],   3, 3,
3138     NULL, NULL, "2",                    NULL
3139   },
3140   {
3141     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3142     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3143     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3144     &level.yamyam_content[2].e[0][0],   3, 3,
3145     NULL, NULL, "3",                    NULL
3146   },
3147   {
3148     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3149     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3150     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3151     &level.yamyam_content[3].e[0][0],   3, 3,
3152     NULL, NULL, "4",                    NULL
3153   },
3154   {
3155     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3156     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3157     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3158     &level.yamyam_content[4].e[0][0],   3, 3,
3159     NULL, NULL, "5",                    NULL
3160   },
3161   {
3162     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3163     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3164     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3165     &level.yamyam_content[5].e[0][0],   3, 3,
3166     NULL, NULL, "6",                    NULL
3167   },
3168   {
3169     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3170     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3171     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3172     &level.yamyam_content[6].e[0][0],   3, 3,
3173     NULL, NULL, "7",                    NULL
3174   },
3175   {
3176     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3177     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3178     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3179     &level.yamyam_content[7].e[0][0],   3, 3,
3180     NULL, NULL, "8",                    NULL
3181   },
3182
3183   /* ---------- magic ball content ----------------------------------------- */
3184
3185   {
3186     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3187     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3188     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3189     &level.ball_content[0].e[0][0],     3, 3,
3190     NULL, NULL, "1",                    NULL
3191   },
3192   {
3193     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3194     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3195     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3196     &level.ball_content[1].e[0][0],     3, 3,
3197     NULL, NULL, "2",                    NULL
3198   },
3199   {
3200     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3201     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3202     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3203     &level.ball_content[2].e[0][0],     3, 3,
3204     NULL, NULL, "3",                    NULL
3205   },
3206   {
3207     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3208     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3209     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3210     &level.ball_content[3].e[0][0],     3, 3,
3211     NULL, NULL, "4",                    NULL
3212   },
3213   {
3214     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3215     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3216     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3217     &level.ball_content[4].e[0][0],     3, 3,
3218     NULL, NULL, "5",                    NULL
3219   },
3220   {
3221     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3222     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3223     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3224     &level.ball_content[5].e[0][0],     3, 3,
3225     NULL, NULL, "6",                    NULL
3226   },
3227   {
3228     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3229     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3230     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3231     &level.ball_content[6].e[0][0],     3, 3,
3232     NULL, NULL, "7",                    NULL
3233   },
3234   {
3235     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3236     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3237     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3238     &level.ball_content[7].e[0][0],     3, 3,
3239     NULL, NULL, "8",                    NULL
3240   },
3241
3242   /* ---------- android content -------------------------------------------- */
3243
3244   {
3245     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3246     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3247     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3248     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3249     "elements:", NULL, NULL,            "elements android can clone"
3250   },
3251
3252   /* ---------- amoeba content --------------------------------------------- */
3253
3254   {
3255     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3256     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3257     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3258     &level.amoeba_content,              1, 1,
3259     "content:", NULL, NULL,             "amoeba content"
3260   },
3261
3262   /* ---------- level start element ---------------------------------------- */
3263
3264   {
3265     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3266     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3267     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3268     &level.start_element[0],            1, 1,
3269     NULL, NULL, NULL,                   "level start element"
3270   },
3271
3272   /* ---------- player artwork element ------------------------------------- */
3273
3274   {
3275     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3276     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3277     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3278     &level.artwork_element[0],          1, 1,
3279     NULL, NULL, NULL,                   "element for player artwork"
3280   },
3281
3282   /* ---------- player explosion element ----------------------------------- */
3283
3284   {
3285     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3286     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3287     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3288     &level.explosion_element[0],        1, 1,
3289     NULL, NULL, NULL,                   "element for player explosion"
3290   },
3291
3292   /* ---------- player initial inventory ----------------------------------- */
3293
3294   {
3295     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3296     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3297     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3298     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3299     NULL, NULL, NULL,                   "content for initial inventory"
3300   },
3301
3302   /* ---------- element settings: configure 1 (custom elements) ----------- */
3303
3304   /* ---------- custom graphic --------------------------------------------- */
3305
3306   {
3307     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3308     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3309     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3310     &custom_element.gfx_element_initial,1, 1,
3311     NULL, NULL, NULL,                   "custom graphic element"
3312   },
3313
3314   /* ---------- element settings: configure 2 (custom elements) ----------- */
3315
3316   /* ---------- custom content (when exploding) ---------------------------- */
3317
3318   {
3319     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3320     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3321     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3322     &custom_element.content.e[0][0],    3, 3,
3323     "content:", NULL, NULL,             NULL
3324   },
3325
3326   /* ---------- custom enter and leave element (when moving) --------------- */
3327
3328   {
3329     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3330     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3331     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3332     &custom_element.move_enter_element, 1, 1,
3333     "can dig:", " ", NULL,              "element that can be digged/collected"
3334   },
3335   {
3336     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3337     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3338     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3339     &custom_element.move_leave_element, 1, 1,
3340     NULL, NULL, NULL,                   "element that will be left behind"
3341   },
3342
3343   /* ---------- element settings: advanced (custom elements) --------------- */
3344
3345   /* ---------- custom change target --------------------------------------- */
3346
3347   {
3348     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3349     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3350     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3351     &custom_element_change.target_element, 1, 1,
3352     NULL, "after/when:", NULL,          "new target element after change"
3353   },
3354
3355   /* ---------- custom change content (extended change target) ------------- */
3356
3357   {
3358     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3359     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3360     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3361     &custom_element_change.target_content.e[0][0], 3, 3,
3362     NULL, NULL, NULL,                   "new extended elements after change"
3363   },
3364
3365   /* ---------- custom change trigger (element causing change) ------------- */
3366
3367   {
3368     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3369     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3370     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3371     &custom_element_change.initial_trigger_element, 1, 1,
3372     NULL, NULL, NULL,                   "other element triggering change"
3373   },
3374
3375   /* ---------- custom change action (element used for action) ------------- */
3376
3377   {
3378     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3379     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3380     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3381     &custom_element_change.action_element, 1, 1,
3382     NULL, NULL, NULL,                   "element used as action parameter"
3383   },
3384
3385   /* ---------- group element content -------------------------------------- */
3386
3387   {
3388     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3389     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3390     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3391     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3392     "content:", NULL, NULL,             NULL
3393   },
3394
3395   /* ---------- random background (for random painting) -------------------- */
3396
3397   {
3398     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3399     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3400     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3401     &random_placement_background_element, 1, 1,
3402     NULL, NULL, NULL,                   "random placement background"
3403   },
3404 };
3405
3406
3407 /*
3408   -----------------------------------------------------------------------------
3409   some internally used variables
3410   -----------------------------------------------------------------------------
3411 */
3412
3413 /* maximal size of level editor drawing area */
3414 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3415
3416 /* actual size of level editor drawing area */
3417 static int ed_fieldx, ed_fieldy;
3418
3419 /* actual position of level editor drawing area in level playfield */
3420 static int level_xpos = -1, level_ypos = -1;
3421
3422 /* actual tile size used to display playfield drawing area */
3423 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3424
3425 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3426
3427 /* drawing elements on the three mouse buttons */
3428 static int new_element1 = EL_WALL;
3429 static int new_element2 = EL_EMPTY;
3430 static int new_element3 = EL_SAND;
3431
3432 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3433 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3434                                 (button) == 2 ? new_element2 : \
3435                                 (button) == 3 ? new_element3 : EL_EMPTY)
3436
3437 /* forward declaration for internal use */
3438 static void ModifyEditorCounterValue(int, int);
3439 static void ModifyEditorCounterLimits(int, int, int);
3440 static void ModifyEditorSelectboxValue(int, int);
3441 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3442 static void ModifyEditorDrawingArea(int, int, int);
3443 static void ModifyEditorElementList();
3444 static void AdjustElementListScrollbar();
3445 static void RedrawDrawingElements();
3446 static void DrawDrawingWindow();
3447 static void DrawLevelInfoWindow();
3448 static void DrawPropertiesWindow();
3449 static void UpdateCustomElementGraphicGadgets();
3450 static boolean checkPropertiesConfig(int);
3451 static void CopyLevelToUndoBuffer(int);
3452 static void HandleDrawingAreas(struct GadgetInfo *);
3453 static void HandleCounterButtons(struct GadgetInfo *);
3454 static void HandleTextInputGadgets(struct GadgetInfo *);
3455 static void HandleTextAreaGadgets(struct GadgetInfo *);
3456 static void HandleSelectboxGadgets(struct GadgetInfo *);
3457 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3458 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3459 static void HandleRadiobuttons(struct GadgetInfo *);
3460 static void HandleCheckbuttons(struct GadgetInfo *);
3461 static void HandleControlButtons(struct GadgetInfo *);
3462 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3463 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3464
3465 static int num_editor_gadgets = 0;      /* dynamically determined */
3466
3467 static struct GadgetInfo **level_editor_gadget = NULL;
3468 static int *right_gadget_border = NULL;
3469
3470 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3471 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3472 static boolean draw_with_brush = FALSE;
3473 static int properties_element = 0;
3474
3475 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3476 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3477 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3478 static int undo_buffer_position = 0;
3479 static int undo_buffer_steps = 0;
3480 static int redo_buffer_steps = 0;
3481
3482 static int edit_mode;
3483 static int edit_mode_levelinfo;
3484 static int edit_mode_properties;
3485
3486 static int element_shift = 0;
3487
3488 static int editor_el_players[] =
3489 {
3490   EL_PLAYER_1,
3491   EL_PLAYER_2,
3492   EL_PLAYER_3,
3493   EL_PLAYER_4
3494 };
3495 static int *editor_el_players_ptr = editor_el_players;
3496 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3497
3498 static int editor_hl_boulderdash[] =
3499 {
3500   EL_INTERNAL_CASCADE_BD_ACTIVE,
3501   EL_CHAR('B'),
3502   EL_CHAR('D'),
3503   EL_EMPTY,
3504 };
3505
3506 static int editor_el_boulderdash[] =
3507 {
3508   EL_EMPTY,
3509   EL_SAND,
3510   EL_BD_ROCK,
3511   EL_BD_DIAMOND,
3512
3513   EL_STEELWALL,
3514   EL_BD_WALL,
3515   EL_BD_EXPANDABLE_WALL,
3516   EL_BD_MAGIC_WALL,
3517
3518   EL_BD_AMOEBA,
3519   EL_BD_BUTTERFLY_UP,
3520   EL_BD_FIREFLY_UP,
3521   EL_EXIT_CLOSED,
3522
3523   EL_BD_BUTTERFLY_LEFT,
3524   EL_BD_FIREFLY_LEFT,
3525   EL_BD_BUTTERFLY_RIGHT,
3526   EL_BD_FIREFLY_RIGHT,
3527
3528   EL_EMPTY,
3529   EL_BD_BUTTERFLY_DOWN,
3530   EL_BD_FIREFLY_DOWN,
3531   EL_EXIT_OPEN,
3532 };
3533 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3534 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3535 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3536 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3537
3538 static int editor_hl_emerald_mine[] =
3539 {
3540   EL_INTERNAL_CASCADE_EM_ACTIVE,
3541   EL_CHAR('E'),
3542   EL_CHAR('M'),
3543   EL_EMPTY,
3544 };
3545
3546 static int editor_el_emerald_mine[] =
3547 {
3548   EL_SAND,
3549   EL_ROCK,
3550   EL_QUICKSAND_EMPTY,
3551   EL_QUICKSAND_FULL,
3552
3553   EL_STEELWALL,
3554   EL_WALL,
3555   EL_WALL_SLIPPERY,
3556   EL_MAGIC_WALL,
3557
3558   EL_EMERALD,
3559   EL_DIAMOND,
3560   EL_NUT,
3561   EL_BOMB,
3562
3563   EL_WALL_EMERALD,
3564   EL_WALL_DIAMOND,
3565   EL_DYNAMITE,
3566   EL_DYNAMITE_ACTIVE,
3567
3568   EL_YAMYAM,
3569   EL_BUG_UP,
3570   EL_SPACESHIP_UP,
3571   EL_ROBOT,
3572
3573   EL_BUG_LEFT,
3574   EL_SPACESHIP_LEFT,
3575   EL_BUG_RIGHT,
3576   EL_SPACESHIP_RIGHT,
3577
3578   EL_ROBOT_WHEEL,
3579   EL_BUG_DOWN,
3580   EL_SPACESHIP_DOWN,
3581   EL_INVISIBLE_WALL,
3582
3583   EL_ACID_POOL_TOPLEFT,
3584   EL_ACID,
3585   EL_ACID_POOL_TOPRIGHT,
3586   EL_AMOEBA_DROP,
3587
3588   EL_ACID_POOL_BOTTOMLEFT,
3589   EL_ACID_POOL_BOTTOM,
3590   EL_ACID_POOL_BOTTOMRIGHT,
3591   EL_AMOEBA_WET,
3592
3593   EL_EM_KEY_1,
3594   EL_EM_KEY_2,
3595   EL_EM_KEY_3,
3596   EL_EM_KEY_4,
3597
3598   EL_EM_GATE_1,
3599   EL_EM_GATE_2,
3600   EL_EM_GATE_3,
3601   EL_EM_GATE_4,
3602
3603   EL_EM_GATE_1_GRAY,
3604   EL_EM_GATE_2_GRAY,
3605   EL_EM_GATE_3_GRAY,
3606   EL_EM_GATE_4_GRAY,
3607
3608   EL_EM_EXIT_CLOSED,
3609   EL_EM_EXIT_OPEN,
3610   EL_EM_STEEL_EXIT_CLOSED,
3611   EL_EM_STEEL_EXIT_OPEN,
3612 };
3613 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3614 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3615 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3616 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3617
3618 static int editor_hl_emerald_mine_club[] =
3619 {
3620   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3621   EL_CHAR('E'),
3622   EL_CHAR('M'),
3623   EL_CHAR('C'),
3624 };
3625
3626 static int editor_el_emerald_mine_club[] =
3627 {
3628   EL_EMC_KEY_5,
3629   EL_EMC_KEY_6,
3630   EL_EMC_KEY_7,
3631   EL_EMC_KEY_8,
3632
3633   EL_EMC_GATE_5,
3634   EL_EMC_GATE_6,
3635   EL_EMC_GATE_7,
3636   EL_EMC_GATE_8,
3637
3638   EL_EMC_GATE_5_GRAY,
3639   EL_EMC_GATE_6_GRAY,
3640   EL_EMC_GATE_7_GRAY,
3641   EL_EMC_GATE_8_GRAY,
3642
3643   EL_EMC_STEELWALL_1,
3644   EL_EMC_STEELWALL_2,
3645   EL_EMC_STEELWALL_3,
3646   EL_EMC_STEELWALL_4,
3647
3648   EL_EMC_WALL_13,
3649   EL_EMC_WALL_14,
3650   EL_EMC_WALL_15,
3651   EL_EMC_WALL_16,
3652
3653   EL_EMC_WALL_SLIPPERY_1,
3654   EL_EMC_WALL_SLIPPERY_2,
3655   EL_EMC_WALL_SLIPPERY_3,
3656   EL_EMC_WALL_SLIPPERY_4,
3657
3658   EL_EMC_WALL_1,
3659   EL_EMC_WALL_2,
3660   EL_EMC_WALL_3,
3661   EL_EMC_WALL_4,
3662
3663   EL_EMC_WALL_5,
3664   EL_EMC_WALL_6,
3665   EL_EMC_WALL_7,
3666   EL_EMC_WALL_8,
3667
3668   EL_EMC_WALL_9,
3669   EL_EMC_WALL_10,
3670   EL_EMC_WALL_11,
3671   EL_EMC_WALL_12,
3672
3673   EL_EMC_GRASS,
3674   EL_EMC_FAKE_GRASS,
3675   EL_EMC_PLANT,
3676   EL_EMC_DRIPPER,
3677
3678   EL_EMC_MAGIC_BALL,
3679   EL_EMC_MAGIC_BALL_SWITCH,
3680   EL_SPRING,
3681   EL_EMC_SPRING_BUMPER,
3682
3683   EL_EMC_LENSES,
3684   EL_EMC_MAGNIFIER,
3685   EL_EM_DYNAMITE,
3686   EL_EM_DYNAMITE_ACTIVE,
3687
3688   EL_BALLOON,
3689   EL_YAMYAM_UP,
3690   EL_BALLOON_SWITCH_UP,
3691   EL_BALLOON_SWITCH_ANY,
3692
3693   EL_YAMYAM_LEFT,
3694   EL_BALLOON_SWITCH_LEFT,
3695   EL_YAMYAM_RIGHT,
3696   EL_BALLOON_SWITCH_RIGHT,
3697
3698   EL_EMC_ANDROID,
3699   EL_YAMYAM_DOWN,
3700   EL_BALLOON_SWITCH_DOWN,
3701   EL_BALLOON_SWITCH_NONE,
3702 };
3703 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3704 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3705 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3706 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3707
3708 static int editor_hl_rnd[] =
3709 {
3710   EL_INTERNAL_CASCADE_RND_ACTIVE,
3711   EL_CHAR('R'),
3712   EL_CHAR('N'),
3713   EL_CHAR('D'),
3714 };
3715
3716 static int editor_el_rnd[] =
3717 {
3718   EL_KEY_1,
3719   EL_KEY_2,
3720   EL_KEY_3,
3721   EL_KEY_4,
3722
3723   EL_GATE_1,
3724   EL_GATE_2,
3725   EL_GATE_3,
3726   EL_GATE_4,
3727
3728   EL_GATE_1_GRAY,
3729   EL_GATE_2_GRAY,
3730   EL_GATE_3_GRAY,
3731   EL_GATE_4_GRAY,
3732
3733   EL_ARROW_LEFT,
3734   EL_ARROW_RIGHT,
3735   EL_ARROW_UP,
3736   EL_ARROW_DOWN,
3737
3738   EL_AMOEBA_DEAD,
3739   EL_AMOEBA_DRY,
3740   EL_AMOEBA_FULL,
3741   EL_GAME_OF_LIFE,
3742
3743   EL_EMERALD_YELLOW,
3744   EL_EMERALD_RED,
3745   EL_EMERALD_PURPLE,
3746   EL_BIOMAZE,
3747
3748   EL_WALL_EMERALD_YELLOW,
3749   EL_WALL_EMERALD_RED,
3750   EL_WALL_EMERALD_PURPLE,
3751   EL_WALL_BD_DIAMOND,
3752
3753   EL_SPEED_PILL,
3754   EL_PACMAN_UP,
3755   EL_TIME_ORB_FULL,
3756   EL_TIME_ORB_EMPTY,
3757
3758   EL_PACMAN_LEFT,
3759   EL_DARK_YAMYAM,
3760   EL_PACMAN_RIGHT,
3761   EL_EMPTY,
3762
3763   EL_BLACK_ORB,
3764   EL_PACMAN_DOWN,
3765   EL_LAMP,
3766   EL_LAMP_ACTIVE,
3767
3768   EL_DYNABOMB_INCREASE_NUMBER,
3769   EL_DYNABOMB_INCREASE_SIZE,
3770   EL_DYNABOMB_INCREASE_POWER,
3771   EL_STONEBLOCK,
3772
3773   EL_MOLE,
3774   EL_PENGUIN,
3775   EL_PIG,
3776   EL_DRAGON,
3777
3778   EL_BUG,
3779   EL_MOLE_UP,
3780   EL_BD_BUTTERFLY,
3781   EL_BD_FIREFLY,
3782
3783   EL_MOLE_LEFT,
3784   EL_SATELLITE,
3785   EL_MOLE_RIGHT,
3786   EL_PACMAN,
3787
3788   EL_SPACESHIP,
3789   EL_MOLE_DOWN,
3790   EL_INVISIBLE_STEELWALL,
3791   EL_INVISIBLE_WALL,
3792
3793   EL_EXPANDABLE_WALL,
3794   EL_EXPANDABLE_WALL_HORIZONTAL,
3795   EL_EXPANDABLE_WALL_VERTICAL,
3796   EL_EXPANDABLE_WALL_ANY,
3797 };
3798 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3799 static int *editor_el_rnd_ptr = editor_el_rnd;
3800 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3801 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3802
3803 static int editor_hl_sokoban[] =
3804 {
3805   EL_INTERNAL_CASCADE_SB_ACTIVE,
3806   EL_CHAR('S'),
3807   EL_CHAR('B'),
3808   EL_EMPTY,
3809 };
3810
3811 static int editor_el_sokoban[] =
3812 {
3813   EL_SOKOBAN_OBJECT,
3814   EL_SOKOBAN_FIELD_EMPTY,
3815   EL_SOKOBAN_FIELD_FULL,
3816   EL_SOKOBAN_FIELD_PLAYER,
3817 };
3818 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3819 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3820 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3821 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3822
3823 static int editor_hl_supaplex[] =
3824 {
3825   EL_INTERNAL_CASCADE_SP_ACTIVE,
3826   EL_CHAR('S'),
3827   EL_CHAR('P'),
3828   EL_EMPTY,
3829 };
3830
3831 static int editor_el_supaplex[] =
3832 {
3833   EL_SP_MURPHY,
3834   EL_EMPTY,
3835   EL_SP_BASE,
3836   EL_SP_BUGGY_BASE,
3837
3838   EL_SP_INFOTRON,
3839   EL_SP_ZONK,
3840   EL_SP_SNIKSNAK,
3841   EL_SP_ELECTRON,
3842
3843   EL_SP_DISK_RED,
3844   EL_SP_DISK_ORANGE,
3845   EL_SP_DISK_YELLOW,
3846   EL_SP_TERMINAL,
3847
3848   EL_SP_EXIT_CLOSED,
3849   EL_SP_PORT_HORIZONTAL,
3850   EL_SP_PORT_VERTICAL,
3851   EL_SP_PORT_ANY,
3852
3853   EL_SP_PORT_LEFT,
3854   EL_SP_PORT_RIGHT,
3855   EL_SP_PORT_UP,
3856   EL_SP_PORT_DOWN,
3857
3858   EL_SP_GRAVITY_PORT_LEFT,
3859   EL_SP_GRAVITY_PORT_RIGHT,
3860   EL_SP_GRAVITY_PORT_UP,
3861   EL_SP_GRAVITY_PORT_DOWN,
3862
3863   EL_SP_GRAVITY_ON_PORT_LEFT,
3864   EL_SP_GRAVITY_ON_PORT_RIGHT,
3865   EL_SP_GRAVITY_ON_PORT_UP,
3866   EL_SP_GRAVITY_ON_PORT_DOWN,
3867
3868   EL_SP_GRAVITY_OFF_PORT_LEFT,
3869   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3870   EL_SP_GRAVITY_OFF_PORT_UP,
3871   EL_SP_GRAVITY_OFF_PORT_DOWN,
3872
3873   EL_SP_HARDWARE_GRAY,
3874   EL_SP_HARDWARE_GREEN,
3875   EL_SP_HARDWARE_BLUE,
3876   EL_SP_HARDWARE_RED,
3877
3878   EL_SP_HARDWARE_BASE_1,
3879   EL_SP_HARDWARE_BASE_2,
3880   EL_SP_HARDWARE_BASE_3,
3881   EL_SP_HARDWARE_BASE_4,
3882
3883   EL_SP_HARDWARE_BASE_5,
3884   EL_SP_HARDWARE_BASE_6,
3885   EL_SP_HARDWARE_YELLOW,
3886   EL_SP_CHIP_TOP,
3887
3888   EL_SP_CHIP_SINGLE,
3889   EL_SP_CHIP_LEFT,
3890   EL_SP_CHIP_RIGHT,
3891   EL_SP_CHIP_BOTTOM,
3892 };
3893 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3894 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3895 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3896 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3897
3898 static int editor_hl_diamond_caves[] =
3899 {
3900   EL_INTERNAL_CASCADE_DC_ACTIVE,
3901   EL_CHAR('D'),
3902   EL_CHAR('C'),
3903   EL_CHAR('2'),
3904 };
3905
3906 static int editor_el_diamond_caves[] =
3907 {
3908   EL_PEARL,
3909   EL_CRYSTAL,
3910   EL_WALL_PEARL,
3911   EL_WALL_CRYSTAL,
3912
3913   EL_CONVEYOR_BELT_1_LEFT,
3914   EL_CONVEYOR_BELT_1_MIDDLE,
3915   EL_CONVEYOR_BELT_1_RIGHT,
3916   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3917
3918   EL_CONVEYOR_BELT_2_LEFT,
3919   EL_CONVEYOR_BELT_2_MIDDLE,
3920   EL_CONVEYOR_BELT_2_RIGHT,
3921   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3922
3923   EL_CONVEYOR_BELT_3_LEFT,
3924   EL_CONVEYOR_BELT_3_MIDDLE,
3925   EL_CONVEYOR_BELT_3_RIGHT,
3926   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3927
3928   EL_CONVEYOR_BELT_4_LEFT,
3929   EL_CONVEYOR_BELT_4_MIDDLE,
3930   EL_CONVEYOR_BELT_4_RIGHT,
3931   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3932
3933   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3934   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3935   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3936   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3937
3938   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3939   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3940   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3941   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3942
3943   EL_TIMEGATE_CLOSED,
3944   EL_TIMEGATE_OPEN,
3945   EL_TIMEGATE_SWITCH,
3946   EL_DC_TIMEGATE_SWITCH,
3947
3948   EL_SWITCHGATE_CLOSED,
3949   EL_SWITCHGATE_OPEN,
3950   EL_SWITCHGATE_SWITCH_UP,
3951   EL_SWITCHGATE_SWITCH_DOWN,
3952
3953   EL_LIGHT_SWITCH,
3954   EL_LIGHT_SWITCH_ACTIVE,
3955   EL_DC_SWITCHGATE_SWITCH_UP,
3956   EL_DC_SWITCHGATE_SWITCH_DOWN,
3957
3958   EL_STEEL_EXIT_CLOSED,
3959   EL_STEEL_EXIT_OPEN,
3960   EL_STEELWALL_SLIPPERY,
3961   EL_INVISIBLE_SAND,
3962
3963   EL_QUICKSAND_FAST_EMPTY,
3964   EL_QUICKSAND_FAST_FULL,
3965   EL_LANDMINE,
3966   EL_DC_LANDMINE,
3967
3968   EL_SHIELD_NORMAL,
3969   EL_SHIELD_DEADLY,
3970   EL_EXTRA_TIME,
3971   EL_DC_MAGIC_WALL,
3972
3973   EL_ENVELOPE_1,
3974   EL_ENVELOPE_2,
3975   EL_ENVELOPE_3,
3976   EL_ENVELOPE_4,
3977
3978   EL_SIGN_RADIOACTIVITY,
3979   EL_SIGN_WHEELCHAIR,
3980   EL_SIGN_PARKING,
3981   EL_SIGN_NO_ENTRY,
3982
3983   EL_SIGN_GIVE_WAY,
3984   EL_SIGN_ENTRY_FORBIDDEN,
3985   EL_SIGN_EMERGENCY_EXIT,
3986   EL_SIGN_YIN_YANG,
3987
3988 #if 0
3989   EL_SIGN_SPERMS,
3990   EL_SIGN_BULLET,
3991   EL_SIGN_HEART,
3992   EL_SIGN_CROSS,
3993
3994   EL_SIGN_FRANKIE,
3995   EL_EMPTY,
3996   EL_EMPTY,
3997   EL_EMPTY,
3998
3999   EL_SPERMS,
4000   EL_BULLET,
4001   EL_HEART,
4002   EL_CROSS,
4003
4004   EL_FRANKIE,
4005   EL_EMPTY,
4006   EL_EMPTY,
4007   EL_EMPTY,
4008 #endif
4009
4010   EL_DC_STEELWALL_2_SINGLE,
4011   EL_DC_STEELWALL_2_TOP,
4012   EL_SIGN_EXCLAMATION,
4013   EL_SIGN_STOP,
4014
4015   EL_DC_STEELWALL_2_LEFT,
4016   EL_DC_STEELWALL_2_MIDDLE,
4017   EL_DC_STEELWALL_2_HORIZONTAL,
4018   EL_DC_STEELWALL_2_RIGHT,
4019
4020   EL_DC_STEELWALL_1_TOPLEFT,
4021   EL_DC_STEELWALL_2_VERTICAL,
4022   EL_DC_STEELWALL_1_TOPRIGHT,
4023   EL_DC_GATE_WHITE,
4024
4025   EL_DC_STEELWALL_1_VERTICAL,
4026   EL_DC_STEELWALL_2_BOTTOM,
4027   EL_DC_KEY_WHITE,
4028   EL_DC_GATE_WHITE_GRAY,
4029
4030   EL_DC_STEELWALL_1_BOTTOMLEFT,
4031   EL_DC_STEELWALL_1_HORIZONTAL,
4032   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4033   EL_DC_GATE_FAKE_GRAY,
4034
4035   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4036   EL_DC_STEELWALL_1_BOTTOM,
4037   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4038   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4039
4040   EL_DC_STEELWALL_1_RIGHT,
4041   EL_EMPTY,
4042   EL_DC_STEELWALL_1_LEFT,
4043   EL_EXPANDABLE_STEELWALL_VERTICAL,
4044
4045   EL_DC_STEELWALL_1_TOPRIGHT_2,
4046   EL_DC_STEELWALL_1_TOP,
4047   EL_DC_STEELWALL_1_TOPLEFT_2,
4048   EL_EXPANDABLE_STEELWALL_ANY,
4049 };
4050 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4051 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4052 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4053 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4054
4055 static int editor_hl_dx_boulderdash[] =
4056 {
4057   EL_INTERNAL_CASCADE_DX_ACTIVE,
4058   EL_CHAR('D'),
4059   EL_CHAR('X'),
4060   EL_EMPTY,
4061 };
4062
4063 static int editor_el_dx_boulderdash[] =
4064 {
4065   EL_EMPTY,
4066   EL_TUBE_RIGHT_DOWN,
4067   EL_TUBE_HORIZONTAL_DOWN,
4068   EL_TUBE_LEFT_DOWN,
4069
4070   EL_TUBE_HORIZONTAL,
4071   EL_TUBE_VERTICAL_RIGHT,
4072   EL_TUBE_ANY,
4073   EL_TUBE_VERTICAL_LEFT,
4074
4075   EL_TUBE_VERTICAL,
4076   EL_TUBE_RIGHT_UP,
4077   EL_TUBE_HORIZONTAL_UP,
4078   EL_TUBE_LEFT_UP,
4079
4080   EL_TRAP,
4081   EL_DX_SUPABOMB,
4082   EL_EMPTY,
4083   EL_EMPTY
4084 };
4085 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4086 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4087 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4088 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4089
4090 static int editor_hl_chars[] =
4091 {
4092   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4093   EL_CHAR('T'),
4094   EL_CHAR('X'),
4095   EL_CHAR('T'),
4096 };
4097
4098 static int editor_el_chars[] =
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('('),
4111   EL_CHAR(')'),
4112   EL_CHAR('*'),
4113   EL_CHAR('+'),
4114
4115   EL_CHAR(','),
4116   EL_CHAR('-'),
4117   EL_CHAR('.'),
4118   EL_CHAR('/'),
4119
4120   EL_CHAR('0'),
4121   EL_CHAR('1'),
4122   EL_CHAR('2'),
4123   EL_CHAR('3'),
4124
4125   EL_CHAR('4'),
4126   EL_CHAR('5'),
4127   EL_CHAR('6'),
4128   EL_CHAR('7'),
4129
4130   EL_CHAR('8'),
4131   EL_CHAR('9'),
4132   EL_CHAR(':'),
4133   EL_CHAR(';'),
4134
4135   EL_CHAR('<'),
4136   EL_CHAR('='),
4137   EL_CHAR('>'),
4138   EL_CHAR('?'),
4139
4140   EL_CHAR('@'),
4141   EL_CHAR('A'),
4142   EL_CHAR('B'),
4143   EL_CHAR('C'),
4144
4145   EL_CHAR('D'),
4146   EL_CHAR('E'),
4147   EL_CHAR('F'),
4148   EL_CHAR('G'),
4149
4150   EL_CHAR('H'),
4151   EL_CHAR('I'),
4152   EL_CHAR('J'),
4153   EL_CHAR('K'),
4154
4155   EL_CHAR('L'),
4156   EL_CHAR('M'),
4157   EL_CHAR('N'),
4158   EL_CHAR('O'),
4159
4160   EL_CHAR('P'),
4161   EL_CHAR('Q'),
4162   EL_CHAR('R'),
4163   EL_CHAR('S'),
4164
4165   EL_CHAR('T'),
4166   EL_CHAR('U'),
4167   EL_CHAR('V'),
4168   EL_CHAR('W'),
4169
4170   EL_CHAR('X'),
4171   EL_CHAR('Y'),
4172   EL_CHAR('Z'),
4173   EL_CHAR('['),
4174
4175   EL_CHAR('\\'),
4176   EL_CHAR(']'),
4177   EL_CHAR('^'),
4178   EL_CHAR('_'),
4179
4180   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4181   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4182   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4183   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4184
4185   EL_CHAR(CHAR_BYTE_DEGREE),
4186   EL_CHAR(CHAR_BYTE_REGISTERED),
4187   EL_CHAR(FONT_ASCII_CURSOR),
4188   EL_CHAR(FONT_ASCII_BUTTON),
4189
4190   EL_CHAR(FONT_ASCII_UP),
4191   EL_CHAR(FONT_ASCII_DOWN),
4192   EL_CHAR(' '),
4193   EL_CHAR(' ')
4194 };
4195 static int *editor_hl_chars_ptr = editor_hl_chars;
4196 static int *editor_el_chars_ptr = editor_el_chars;
4197 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4198 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4199
4200 static int editor_hl_steel_chars[] =
4201 {
4202   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4203   EL_STEEL_CHAR('T'),
4204   EL_STEEL_CHAR('X'),
4205   EL_STEEL_CHAR('T'),
4206 };
4207
4208 static int editor_el_steel_chars[] =
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('('),
4221   EL_STEEL_CHAR(')'),
4222   EL_STEEL_CHAR('*'),
4223   EL_STEEL_CHAR('+'),
4224
4225   EL_STEEL_CHAR(','),
4226   EL_STEEL_CHAR('-'),
4227   EL_STEEL_CHAR('.'),
4228   EL_STEEL_CHAR('/'),
4229
4230   EL_STEEL_CHAR('0'),
4231   EL_STEEL_CHAR('1'),
4232   EL_STEEL_CHAR('2'),
4233   EL_STEEL_CHAR('3'),
4234
4235   EL_STEEL_CHAR('4'),
4236   EL_STEEL_CHAR('5'),
4237   EL_STEEL_CHAR('6'),
4238   EL_STEEL_CHAR('7'),
4239
4240   EL_STEEL_CHAR('8'),
4241   EL_STEEL_CHAR('9'),
4242   EL_STEEL_CHAR(':'),
4243   EL_STEEL_CHAR(';'),
4244
4245   EL_STEEL_CHAR('<'),
4246   EL_STEEL_CHAR('='),
4247   EL_STEEL_CHAR('>'),
4248   EL_STEEL_CHAR('?'),
4249
4250   EL_STEEL_CHAR('@'),
4251   EL_STEEL_CHAR('A'),
4252   EL_STEEL_CHAR('B'),
4253   EL_STEEL_CHAR('C'),
4254
4255   EL_STEEL_CHAR('D'),
4256   EL_STEEL_CHAR('E'),
4257   EL_STEEL_CHAR('F'),
4258   EL_STEEL_CHAR('G'),
4259
4260   EL_STEEL_CHAR('H'),
4261   EL_STEEL_CHAR('I'),
4262   EL_STEEL_CHAR('J'),
4263   EL_STEEL_CHAR('K'),
4264
4265   EL_STEEL_CHAR('L'),
4266   EL_STEEL_CHAR('M'),
4267   EL_STEEL_CHAR('N'),
4268   EL_STEEL_CHAR('O'),
4269
4270   EL_STEEL_CHAR('P'),
4271   EL_STEEL_CHAR('Q'),
4272   EL_STEEL_CHAR('R'),
4273   EL_STEEL_CHAR('S'),
4274
4275   EL_STEEL_CHAR('T'),
4276   EL_STEEL_CHAR('U'),
4277   EL_STEEL_CHAR('V'),
4278   EL_STEEL_CHAR('W'),
4279
4280   EL_STEEL_CHAR('X'),
4281   EL_STEEL_CHAR('Y'),
4282   EL_STEEL_CHAR('Z'),
4283   EL_STEEL_CHAR('['),
4284
4285   EL_STEEL_CHAR('\\'),
4286   EL_STEEL_CHAR(']'),
4287   EL_STEEL_CHAR('^'),
4288   EL_STEEL_CHAR('_'),
4289
4290   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4291   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4292   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4293   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4294
4295   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4296   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4297   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4298   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4299
4300   EL_STEEL_CHAR(FONT_ASCII_UP),
4301   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4302   EL_STEEL_CHAR(' '),
4303   EL_STEEL_CHAR(' ')
4304 };
4305 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4306 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4307 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4308 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4309
4310 static int editor_hl_custom[] =
4311 {
4312   EL_INTERNAL_CASCADE_CE_ACTIVE,
4313   EL_CHAR('C'),
4314   EL_CHAR('E'),
4315   EL_EMPTY,
4316 };
4317
4318 static int editor_el_custom[] =
4319 {
4320   EL_CUSTOM_START + 0,
4321   EL_CUSTOM_START + 1,
4322   EL_CUSTOM_START + 2,
4323   EL_CUSTOM_START + 3,
4324
4325   EL_CUSTOM_START + 4,
4326   EL_CUSTOM_START + 5,
4327   EL_CUSTOM_START + 6,
4328   EL_CUSTOM_START + 7,
4329
4330   EL_CUSTOM_START + 8,
4331   EL_CUSTOM_START + 9,
4332   EL_CUSTOM_START + 10,
4333   EL_CUSTOM_START + 11,
4334
4335   EL_CUSTOM_START + 12,
4336   EL_CUSTOM_START + 13,
4337   EL_CUSTOM_START + 14,
4338   EL_CUSTOM_START + 15,
4339
4340   EL_CUSTOM_START + 16,
4341   EL_CUSTOM_START + 17,
4342   EL_CUSTOM_START + 18,
4343   EL_CUSTOM_START + 19,
4344
4345   EL_CUSTOM_START + 20,
4346   EL_CUSTOM_START + 21,
4347   EL_CUSTOM_START + 22,
4348   EL_CUSTOM_START + 23,
4349
4350   EL_CUSTOM_START + 24,
4351   EL_CUSTOM_START + 25,
4352   EL_CUSTOM_START + 26,
4353   EL_CUSTOM_START + 27,
4354
4355   EL_CUSTOM_START + 28,
4356   EL_CUSTOM_START + 29,
4357   EL_CUSTOM_START + 30,
4358   EL_CUSTOM_START + 31,
4359
4360   EL_CUSTOM_START + 32,
4361   EL_CUSTOM_START + 33,
4362   EL_CUSTOM_START + 34,
4363   EL_CUSTOM_START + 35,
4364
4365   EL_CUSTOM_START + 36,
4366   EL_CUSTOM_START + 37,
4367   EL_CUSTOM_START + 38,
4368   EL_CUSTOM_START + 39,
4369
4370   EL_CUSTOM_START + 40,
4371   EL_CUSTOM_START + 41,
4372   EL_CUSTOM_START + 42,
4373   EL_CUSTOM_START + 43,
4374
4375   EL_CUSTOM_START + 44,
4376   EL_CUSTOM_START + 45,
4377   EL_CUSTOM_START + 46,
4378   EL_CUSTOM_START + 47,
4379
4380   EL_CUSTOM_START + 48,
4381   EL_CUSTOM_START + 49,
4382   EL_CUSTOM_START + 50,
4383   EL_CUSTOM_START + 51,
4384
4385   EL_CUSTOM_START + 52,
4386   EL_CUSTOM_START + 53,
4387   EL_CUSTOM_START + 54,
4388   EL_CUSTOM_START + 55,
4389
4390   EL_CUSTOM_START + 56,
4391   EL_CUSTOM_START + 57,
4392   EL_CUSTOM_START + 58,
4393   EL_CUSTOM_START + 59,
4394
4395   EL_CUSTOM_START + 60,
4396   EL_CUSTOM_START + 61,
4397   EL_CUSTOM_START + 62,
4398   EL_CUSTOM_START + 63,
4399
4400   EL_CUSTOM_START + 64,
4401   EL_CUSTOM_START + 65,
4402   EL_CUSTOM_START + 66,
4403   EL_CUSTOM_START + 67,
4404
4405   EL_CUSTOM_START + 68,
4406   EL_CUSTOM_START + 69,
4407   EL_CUSTOM_START + 70,
4408   EL_CUSTOM_START + 71,
4409
4410   EL_CUSTOM_START + 72,
4411   EL_CUSTOM_START + 73,
4412   EL_CUSTOM_START + 74,
4413   EL_CUSTOM_START + 75,
4414
4415   EL_CUSTOM_START + 76,
4416   EL_CUSTOM_START + 77,
4417   EL_CUSTOM_START + 78,
4418   EL_CUSTOM_START + 79,
4419
4420   EL_CUSTOM_START + 80,
4421   EL_CUSTOM_START + 81,
4422   EL_CUSTOM_START + 82,
4423   EL_CUSTOM_START + 83,
4424
4425   EL_CUSTOM_START + 84,
4426   EL_CUSTOM_START + 85,
4427   EL_CUSTOM_START + 86,
4428   EL_CUSTOM_START + 87,
4429
4430   EL_CUSTOM_START + 88,
4431   EL_CUSTOM_START + 89,
4432   EL_CUSTOM_START + 90,
4433   EL_CUSTOM_START + 91,
4434
4435   EL_CUSTOM_START + 92,
4436   EL_CUSTOM_START + 93,
4437   EL_CUSTOM_START + 94,
4438   EL_CUSTOM_START + 95,
4439
4440   EL_CUSTOM_START + 96,
4441   EL_CUSTOM_START + 97,
4442   EL_CUSTOM_START + 98,
4443   EL_CUSTOM_START + 99,
4444
4445   EL_CUSTOM_START + 100,
4446   EL_CUSTOM_START + 101,
4447   EL_CUSTOM_START + 102,
4448   EL_CUSTOM_START + 103,
4449
4450   EL_CUSTOM_START + 104,
4451   EL_CUSTOM_START + 105,
4452   EL_CUSTOM_START + 106,
4453   EL_CUSTOM_START + 107,
4454
4455   EL_CUSTOM_START + 108,
4456   EL_CUSTOM_START + 109,
4457   EL_CUSTOM_START + 110,
4458   EL_CUSTOM_START + 111,
4459
4460   EL_CUSTOM_START + 112,
4461   EL_CUSTOM_START + 113,
4462   EL_CUSTOM_START + 114,
4463   EL_CUSTOM_START + 115,
4464
4465   EL_CUSTOM_START + 116,
4466   EL_CUSTOM_START + 117,
4467   EL_CUSTOM_START + 118,
4468   EL_CUSTOM_START + 119,
4469
4470   EL_CUSTOM_START + 120,
4471   EL_CUSTOM_START + 121,
4472   EL_CUSTOM_START + 122,
4473   EL_CUSTOM_START + 123,
4474
4475   EL_CUSTOM_START + 124,
4476   EL_CUSTOM_START + 125,
4477   EL_CUSTOM_START + 126,
4478   EL_CUSTOM_START + 127,
4479
4480   EL_CUSTOM_START + 128,
4481   EL_CUSTOM_START + 129,
4482   EL_CUSTOM_START + 130,
4483   EL_CUSTOM_START + 131,
4484
4485   EL_CUSTOM_START + 132,
4486   EL_CUSTOM_START + 133,
4487   EL_CUSTOM_START + 134,
4488   EL_CUSTOM_START + 135,
4489
4490   EL_CUSTOM_START + 136,
4491   EL_CUSTOM_START + 137,
4492   EL_CUSTOM_START + 138,
4493   EL_CUSTOM_START + 139,
4494
4495   EL_CUSTOM_START + 140,
4496   EL_CUSTOM_START + 141,
4497   EL_CUSTOM_START + 142,
4498   EL_CUSTOM_START + 143,
4499
4500   EL_CUSTOM_START + 144,
4501   EL_CUSTOM_START + 145,
4502   EL_CUSTOM_START + 146,
4503   EL_CUSTOM_START + 147,
4504
4505   EL_CUSTOM_START + 148,
4506   EL_CUSTOM_START + 149,
4507   EL_CUSTOM_START + 150,
4508   EL_CUSTOM_START + 151,
4509
4510   EL_CUSTOM_START + 152,
4511   EL_CUSTOM_START + 153,
4512   EL_CUSTOM_START + 154,
4513   EL_CUSTOM_START + 155,
4514
4515   EL_CUSTOM_START + 156,
4516   EL_CUSTOM_START + 157,
4517   EL_CUSTOM_START + 158,
4518   EL_CUSTOM_START + 159,
4519
4520   EL_CUSTOM_START + 160,
4521   EL_CUSTOM_START + 161,
4522   EL_CUSTOM_START + 162,
4523   EL_CUSTOM_START + 163,
4524
4525   EL_CUSTOM_START + 164,
4526   EL_CUSTOM_START + 165,
4527   EL_CUSTOM_START + 166,
4528   EL_CUSTOM_START + 167,
4529
4530   EL_CUSTOM_START + 168,
4531   EL_CUSTOM_START + 169,
4532   EL_CUSTOM_START + 170,
4533   EL_CUSTOM_START + 171,
4534
4535   EL_CUSTOM_START + 172,
4536   EL_CUSTOM_START + 173,
4537   EL_CUSTOM_START + 174,
4538   EL_CUSTOM_START + 175,
4539
4540   EL_CUSTOM_START + 176,
4541   EL_CUSTOM_START + 177,
4542   EL_CUSTOM_START + 178,
4543   EL_CUSTOM_START + 179,
4544
4545   EL_CUSTOM_START + 180,
4546   EL_CUSTOM_START + 181,
4547   EL_CUSTOM_START + 182,
4548   EL_CUSTOM_START + 183,
4549
4550   EL_CUSTOM_START + 184,
4551   EL_CUSTOM_START + 185,
4552   EL_CUSTOM_START + 186,
4553   EL_CUSTOM_START + 187,
4554
4555   EL_CUSTOM_START + 188,
4556   EL_CUSTOM_START + 189,
4557   EL_CUSTOM_START + 190,
4558   EL_CUSTOM_START + 191,
4559
4560   EL_CUSTOM_START + 192,
4561   EL_CUSTOM_START + 193,
4562   EL_CUSTOM_START + 194,
4563   EL_CUSTOM_START + 195,
4564
4565   EL_CUSTOM_START + 196,
4566   EL_CUSTOM_START + 197,
4567   EL_CUSTOM_START + 198,
4568   EL_CUSTOM_START + 199,
4569
4570   EL_CUSTOM_START + 200,
4571   EL_CUSTOM_START + 201,
4572   EL_CUSTOM_START + 202,
4573   EL_CUSTOM_START + 203,
4574
4575   EL_CUSTOM_START + 204,
4576   EL_CUSTOM_START + 205,
4577   EL_CUSTOM_START + 206,
4578   EL_CUSTOM_START + 207,
4579
4580   EL_CUSTOM_START + 208,
4581   EL_CUSTOM_START + 209,
4582   EL_CUSTOM_START + 210,
4583   EL_CUSTOM_START + 211,
4584
4585   EL_CUSTOM_START + 212,
4586   EL_CUSTOM_START + 213,
4587   EL_CUSTOM_START + 214,
4588   EL_CUSTOM_START + 215,
4589
4590   EL_CUSTOM_START + 216,
4591   EL_CUSTOM_START + 217,
4592   EL_CUSTOM_START + 218,
4593   EL_CUSTOM_START + 219,
4594
4595   EL_CUSTOM_START + 220,
4596   EL_CUSTOM_START + 221,
4597   EL_CUSTOM_START + 222,
4598   EL_CUSTOM_START + 223,
4599
4600   EL_CUSTOM_START + 224,
4601   EL_CUSTOM_START + 225,
4602   EL_CUSTOM_START + 226,
4603   EL_CUSTOM_START + 227,
4604
4605   EL_CUSTOM_START + 228,
4606   EL_CUSTOM_START + 229,
4607   EL_CUSTOM_START + 230,
4608   EL_CUSTOM_START + 231,
4609
4610   EL_CUSTOM_START + 232,
4611   EL_CUSTOM_START + 233,
4612   EL_CUSTOM_START + 234,
4613   EL_CUSTOM_START + 235,
4614
4615   EL_CUSTOM_START + 236,
4616   EL_CUSTOM_START + 237,
4617   EL_CUSTOM_START + 238,
4618   EL_CUSTOM_START + 239,
4619
4620   EL_CUSTOM_START + 240,
4621   EL_CUSTOM_START + 241,
4622   EL_CUSTOM_START + 242,
4623   EL_CUSTOM_START + 243,
4624
4625   EL_CUSTOM_START + 244,
4626   EL_CUSTOM_START + 245,
4627   EL_CUSTOM_START + 246,
4628   EL_CUSTOM_START + 247,
4629
4630   EL_CUSTOM_START + 248,
4631   EL_CUSTOM_START + 249,
4632   EL_CUSTOM_START + 250,
4633   EL_CUSTOM_START + 251,
4634
4635   EL_CUSTOM_START + 252,
4636   EL_CUSTOM_START + 253,
4637   EL_CUSTOM_START + 254,
4638   EL_CUSTOM_START + 255
4639 };
4640 static int *editor_hl_custom_ptr = editor_hl_custom;
4641 static int *editor_el_custom_ptr = editor_el_custom;
4642 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4643 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4644
4645 static int editor_hl_group[] =
4646 {
4647   EL_INTERNAL_CASCADE_GE_ACTIVE,
4648   EL_CHAR('G'),
4649   EL_CHAR('E'),
4650   EL_EMPTY,
4651 };
4652
4653 static int editor_el_group[] =
4654 {
4655   EL_GROUP_START + 0,
4656   EL_GROUP_START + 1,
4657   EL_GROUP_START + 2,
4658   EL_GROUP_START + 3,
4659
4660   EL_GROUP_START + 4,
4661   EL_GROUP_START + 5,
4662   EL_GROUP_START + 6,
4663   EL_GROUP_START + 7,
4664
4665   EL_GROUP_START + 8,
4666   EL_GROUP_START + 9,
4667   EL_GROUP_START + 10,
4668   EL_GROUP_START + 11,
4669
4670   EL_GROUP_START + 12,
4671   EL_GROUP_START + 13,
4672   EL_GROUP_START + 14,
4673   EL_GROUP_START + 15,
4674
4675   EL_GROUP_START + 16,
4676   EL_GROUP_START + 17,
4677   EL_GROUP_START + 18,
4678   EL_GROUP_START + 19,
4679
4680   EL_GROUP_START + 20,
4681   EL_GROUP_START + 21,
4682   EL_GROUP_START + 22,
4683   EL_GROUP_START + 23,
4684
4685   EL_GROUP_START + 24,
4686   EL_GROUP_START + 25,
4687   EL_GROUP_START + 26,
4688   EL_GROUP_START + 27,
4689
4690   EL_GROUP_START + 28,
4691   EL_GROUP_START + 29,
4692   EL_GROUP_START + 30,
4693   EL_GROUP_START + 31
4694 };
4695 static int *editor_hl_group_ptr = editor_hl_group;
4696 static int *editor_el_group_ptr = editor_el_group;
4697 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4698 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4699
4700 static int editor_hl_reference[] =
4701 {
4702   EL_INTERNAL_CASCADE_REF_ACTIVE,
4703   EL_CHAR('R'),
4704   EL_CHAR('E'),
4705   EL_CHAR('F')
4706 };
4707
4708 static int editor_el_reference[] =
4709 {
4710   EL_TRIGGER_PLAYER,
4711   EL_TRIGGER_ELEMENT,
4712   EL_TRIGGER_CE_VALUE,
4713   EL_TRIGGER_CE_SCORE,
4714
4715   EL_SELF,
4716   EL_ANY_ELEMENT,
4717   EL_CURRENT_CE_VALUE,
4718   EL_CURRENT_CE_SCORE,
4719
4720   EL_PREV_CE_8,
4721   EL_PREV_CE_7,
4722   EL_PREV_CE_6,
4723   EL_PREV_CE_5,
4724
4725   EL_PREV_CE_4,
4726   EL_PREV_CE_3,
4727   EL_PREV_CE_2,
4728   EL_PREV_CE_1,
4729
4730   EL_NEXT_CE_1,
4731   EL_NEXT_CE_2,
4732   EL_NEXT_CE_3,
4733   EL_NEXT_CE_4,
4734
4735   EL_NEXT_CE_5,
4736   EL_NEXT_CE_6,
4737   EL_NEXT_CE_7,
4738   EL_NEXT_CE_8,
4739 };
4740 static int *editor_hl_reference_ptr = editor_hl_reference;
4741 static int *editor_el_reference_ptr = editor_el_reference;
4742 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4743 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4744
4745 static int editor_hl_user_defined[] =
4746 {
4747   EL_INTERNAL_CASCADE_USER_ACTIVE,
4748   EL_CHAR('M'),
4749   EL_CHAR('Y'),
4750   EL_EMPTY,
4751 };
4752
4753 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4754 static int *editor_el_user_defined_ptr = NULL;
4755 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4756 static int num_editor_el_user_defined = 0;
4757
4758 static int editor_hl_dynamic[] =
4759 {
4760   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4761   EL_CHAR('U'),
4762   EL_CHAR('S'),
4763   EL_CHAR('E'),
4764 };
4765
4766 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4767 static int *editor_el_dynamic_ptr = NULL;
4768 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4769 static int num_editor_el_dynamic = 0;
4770
4771 static int editor_hl_empty[] = { EL_EMPTY };
4772 static int *editor_el_empty = NULL;     /* dynamically allocated */
4773
4774 static int *editor_hl_empty_ptr = editor_hl_empty;
4775 static int *editor_el_empty_ptr = NULL;
4776 static int num_editor_hl_empty = 0;
4777 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4778
4779 static boolean use_el_empty = FALSE;
4780
4781 static int *editor_elements = NULL;     /* dynamically allocated */
4782 static int num_editor_elements = 0;     /* dynamically determined */
4783
4784 static boolean setup_editor_show_always = TRUE;
4785 static boolean setup_editor_cascade_never = FALSE;
4786
4787 static int editor_hl_unused[] = { EL_EMPTY };
4788 static int *editor_hl_unused_ptr = editor_hl_unused;
4789 static int num_editor_hl_unused = 0;
4790
4791 static struct
4792 {
4793   boolean *setup_value;
4794   boolean *setup_cascade_value;
4795
4796   int **headline_list;
4797   int *headline_list_size;
4798
4799   int **element_list;
4800   int *element_list_size;
4801
4802   boolean last_setup_value;
4803 }
4804 editor_elements_info[] =
4805 {
4806   {
4807     &setup_editor_show_always,
4808     &setup_editor_cascade_never,
4809     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4810     &editor_el_players_ptr,             &num_editor_el_players
4811   },
4812   {
4813     &setup.editor.el_boulderdash,
4814     &setup.editor_cascade.el_bd,
4815     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4816     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4817   },
4818   {
4819     &setup.editor.el_emerald_mine,
4820     &setup.editor_cascade.el_em,
4821     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4822     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4823   },
4824   {
4825     &setup.editor.el_emerald_mine_club,
4826     &setup.editor_cascade.el_emc,
4827     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4828     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4829   },
4830   {
4831     &setup.editor.el_more,
4832     &setup.editor_cascade.el_rnd,
4833     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4834     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4835   },
4836   {
4837     &setup.editor.el_sokoban,
4838     &setup.editor_cascade.el_sb,
4839     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4840     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4841   },
4842   {
4843     &setup.editor.el_supaplex,
4844     &setup.editor_cascade.el_sp,
4845     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4846     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4847   },
4848   {
4849     &setup.editor.el_diamond_caves,
4850     &setup.editor_cascade.el_dc,
4851     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4852     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4853   },
4854   {
4855     &setup.editor.el_dx_boulderdash,
4856     &setup.editor_cascade.el_dx,
4857     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4858     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4859   },
4860   {
4861     &setup.editor.el_chars,
4862     &setup.editor_cascade.el_chars,
4863     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4864     &editor_el_chars_ptr,               &num_editor_el_chars
4865   },
4866   {
4867     &setup.editor.el_steel_chars,
4868     &setup.editor_cascade.el_steel_chars,
4869     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4870     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4871   },
4872   {
4873     &setup.editor.el_custom,
4874     &setup.editor_cascade.el_ce,
4875     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4876     &editor_el_custom_ptr,              &num_editor_el_custom
4877   },
4878   {
4879     &setup.editor.el_custom,
4880     &setup.editor_cascade.el_ge,
4881     &editor_hl_group_ptr,               &num_editor_hl_group,
4882     &editor_el_group_ptr,               &num_editor_el_group
4883   },
4884   {
4885     &setup.editor.el_custom,
4886     &setup.editor_cascade.el_ref,
4887     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4888     &editor_el_reference_ptr,           &num_editor_el_reference
4889   },
4890   {
4891     &setup.editor.el_user_defined,
4892     &setup.editor_cascade.el_user,
4893     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4894     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4895   },
4896   {
4897     &setup.editor.el_dynamic,
4898     &setup.editor_cascade.el_dynamic,
4899     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4900     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4901   },
4902   {
4903     &use_el_empty,
4904     &use_el_empty,
4905     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4906     &editor_el_empty_ptr,               &num_editor_el_empty,
4907   },
4908   {
4909     NULL,
4910     NULL,
4911     NULL,                               NULL,
4912     NULL,                               NULL
4913   }
4914 };
4915
4916
4917 /*
4918   -----------------------------------------------------------------------------
4919   functions
4920   -----------------------------------------------------------------------------
4921 */
4922
4923 static int getMaxInfoTextLength()
4924 {
4925   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4926 }
4927
4928 static int getTextWidthForGadget(char *text)
4929 {
4930   if (text == NULL)
4931     return 0;
4932
4933   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4934 }
4935
4936 static int getTextWidthForDrawingArea(char *text)
4937 {
4938   if (text == NULL)
4939     return 0;
4940
4941   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4942 }
4943
4944 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4945 {
4946   return (gi->x + gi->width + getTextWidthForGadget(text));
4947 }
4948
4949 static char *getElementInfoText(int element)
4950 {
4951   char *info_text = NULL;
4952
4953   if (element < MAX_NUM_ELEMENTS)
4954   {
4955     if (strlen(element_info[element].description) > 0)
4956       info_text = element_info[element].description;
4957     else if (element_info[element].custom_description != NULL)
4958       info_text = element_info[element].custom_description;
4959     else if (element_info[element].editor_description != NULL)
4960       info_text = element_info[element].editor_description;
4961   }
4962
4963   if (info_text == NULL)
4964     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4965
4966   return info_text;
4967 }
4968
4969 static char *getElementDescriptionFilenameExt(char *basename)
4970 {
4971   char *elements_subdir = "elements";
4972   static char *elements_subdir2 = NULL;
4973   static char *filename = NULL;
4974
4975   if (elements_subdir2 == NULL)
4976     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4977
4978   checked_free(filename);
4979
4980   /* 1st try: look for element description in current level set directory */
4981   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4982   if (fileExists(filename))
4983     return filename;
4984
4985   free(filename);
4986
4987   /* 2nd try: look for element description in the game's base directory */
4988   filename = getPath3(options.docs_directory, elements_subdir, basename);
4989   if (fileExists(filename))
4990     return filename;
4991
4992   return NULL;
4993 }
4994
4995 char *getElementDescriptionFilename(int element)
4996 {
4997   char basename[MAX_FILENAME_LEN];
4998   char *filename;
4999
5000   /* 1st try: look for element description file for exactly this element */
5001   sprintf(basename, "%s.txt", element_info[element].token_name);
5002   filename = getElementDescriptionFilenameExt(basename);
5003   if (filename != NULL)
5004     return filename;
5005
5006   /* 2nd try: look for element description file for this element's class */
5007   sprintf(basename, "%s.txt", element_info[element].class_name);
5008   filename = getElementDescriptionFilenameExt(basename);
5009   if (filename != NULL)
5010     return filename;
5011
5012   return NULL;
5013 }
5014
5015 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5016 {
5017   boolean element_found[NUM_FILE_ELEMENTS];
5018   int i, x, y;
5019
5020   /* initialize list of used elements to "not used" */
5021   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5022     element_found[i] = FALSE;
5023
5024   /* find all elements used in current level */
5025   for (y = 0; y < lev_fieldy; y++)
5026     for (x = 0; x < lev_fieldx; x++)
5027       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5028         element_found[Feld[x][y]] = TRUE;
5029
5030   *num_elements = 0;
5031
5032   /* count number of elements used in current level */
5033   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5034     if (element_found[i])
5035       (*num_elements)++;
5036
5037   /* add space for up to 3 more elements for padding that may be needed */
5038   *num_elements += 3;
5039
5040   /* free memory for old list of elements, if needed */
5041   checked_free(*elements);
5042
5043   /* allocate memory for new list of elements */
5044   *elements = checked_malloc(*num_elements * sizeof(int));
5045
5046   *num_elements = 0;
5047
5048   /* add all elements used in current level (non-custom/group elements) */
5049   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5050     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5051       (*elements)[(*num_elements)++] = i;
5052
5053   /* add all elements used in current level (custom/group elements) */
5054   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5055     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5056       (*elements)[(*num_elements)++] = i;
5057
5058   while (*num_elements % 4)     /* pad with empty elements, if needed */
5059     (*elements)[(*num_elements)++] = EL_EMPTY;
5060 }
5061
5062 static void ReinitializeElementList()
5063 {
5064   static boolean initialization_needed = TRUE;
5065   int pos = 0;
5066   int i, j;
5067
5068   if (initialization_needed)
5069   {
5070     LoadSetup_EditorCascade();          /* load last editor cascade state */
5071
5072     /* initialize editor cascade element from saved cascade state */
5073     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5074     {
5075       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5076       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5077
5078       if (IS_EDITOR_CASCADE(*cascade_element))
5079         *cascade_element =
5080           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5081            EL_CASCADE_INACTIVE(*cascade_element));
5082     }
5083
5084     initialization_needed = FALSE;
5085   }
5086
5087   checked_free(editor_elements);
5088
5089   /* reload optional user defined element list for each invocation of editor */
5090   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5091                                    &num_editor_el_user_defined);
5092
5093   /* initialize dynamic level element list for each invocation of editor */
5094   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5095                                &num_editor_el_dynamic);
5096
5097   /* initialize list of empty elements (used for padding, if needed) */
5098   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5099     editor_el_empty[i] = EL_EMPTY;
5100
5101   /* do some sanity checks for each element from element list */
5102   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5103   {
5104     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5105     {
5106       int element = (*editor_elements_info[i].element_list)[j];
5107
5108       if (element >= NUM_FILE_ELEMENTS)
5109         Error(ERR_WARN, "editor element %d is runtime element", element);
5110
5111       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5112         Error(ERR_WARN, "no element description for element %d", element);
5113     }
5114   }
5115
5116   num_editor_elements = 0;
5117   use_el_empty = FALSE;
5118
5119   /* determine size of element list */
5120   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5121   {
5122     boolean found_inactive_cascade = FALSE;
5123
5124     if (*editor_elements_info[i].setup_value)
5125     {
5126       if (setup.editor.el_headlines)
5127       {
5128         // required for correct padding of palette headline buttons
5129         if (*editor_elements_info[i].headline_list_size > 0)
5130           num_editor_elements += editor.palette.cols;
5131
5132         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5133         {
5134           int element = (*editor_elements_info[i].headline_list)[j];
5135
5136           if (IS_EDITOR_CASCADE_INACTIVE(element))
5137             found_inactive_cascade = TRUE;
5138         }
5139       }
5140
5141       if (found_inactive_cascade)
5142         continue;
5143
5144       // required for correct padding of palette element buttons
5145       int element_list_size = *editor_elements_info[i].element_list_size;
5146       int element_rows =
5147         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5148       int element_buttons = editor.palette.cols * element_rows;
5149
5150       num_editor_elements += element_buttons;
5151     }
5152   }
5153
5154   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5155   {
5156     /* offer at least as many elements as element buttons exist */
5157     use_el_empty = TRUE;
5158     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5159
5160     num_editor_elements += num_editor_el_empty;
5161   }
5162
5163   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5164
5165   /* fill element list */
5166   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5167   {
5168     boolean found_inactive_cascade = FALSE;
5169
5170     if (*editor_elements_info[i].setup_value)
5171     {
5172       if (setup.editor.el_headlines)
5173       {
5174         // required for correct padding of palette headline buttons
5175         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5176                              editor.palette.cols : 0);
5177
5178         for (j = 0; j < headline_size; j++)
5179         {
5180           // use empty elements for padding of palette headline buttons
5181           int element = (j < *editor_elements_info[i].headline_list_size ?
5182                          (*editor_elements_info[i].headline_list)[j] :
5183                          editor_el_empty[0]);
5184
5185           editor_elements[pos++] = element;
5186
5187           if (IS_EDITOR_CASCADE_INACTIVE(element))
5188             found_inactive_cascade = TRUE;
5189         }
5190       }
5191
5192       if (found_inactive_cascade)
5193         continue;
5194
5195       // required for correct padding of palette element buttons
5196       int element_list_size = *editor_elements_info[i].element_list_size;
5197       int element_rows =
5198         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5199       int element_buttons = editor.palette.cols * element_rows;
5200
5201       // copy all elements from element list
5202       for (j = 0; j < element_list_size; j++)
5203         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5204
5205       // use empty elements for padding of palette element buttons
5206       for (j = 0; j < element_buttons - element_list_size; j++)
5207         editor_elements[pos++] = editor_el_empty[0];
5208     }
5209   }
5210
5211   /* (this function is also called before editor gadgets are initialized!) */
5212   AdjustElementListScrollbar();
5213 }
5214
5215 void PrintEditorElementList()
5216 {
5217   boolean *stop = &setup.editor.el_user_defined;
5218   int i, j;
5219
5220   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5221   {
5222     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5223
5224     if (IS_EDITOR_CASCADE(cascade_element))
5225     {
5226       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5227       char *headline = element_info[cascade_element_show].editor_description;
5228
5229       PrintLineWithPrefix("# ", "-", 77);
5230       Print("# %s\n", headline);
5231       PrintLineWithPrefix("# ", "-", 77);
5232     }
5233
5234     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5235     {
5236       int element = (*editor_elements_info[i].headline_list)[j];
5237
5238       if (IS_EDITOR_CASCADE(element))
5239         element = EL_CHAR_MINUS;
5240
5241       Print("# %s\n", element_info[element].token_name);
5242     }
5243
5244     if (j > 0)
5245       Print("#\n");
5246
5247     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5248     {
5249       int element = (*editor_elements_info[i].element_list)[j];
5250
5251       Print("# %s\n", element_info[element].token_name);
5252     }
5253
5254     if (j > 0)
5255       Print("#\n");
5256   }
5257 }
5258
5259 static void ReinitializeElementListButtons()
5260 {
5261   static boolean last_setup_value_headlines = FALSE;
5262   static boolean initialization_needed = TRUE;
5263   int i;
5264
5265   if (!initialization_needed)   /* check if editor element setup has changed */
5266   {
5267     if (last_setup_value_headlines != setup.editor.el_headlines)
5268       initialization_needed = TRUE;
5269
5270     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5271       if (editor_elements_info[i].last_setup_value !=
5272           *editor_elements_info[i].setup_value)
5273         initialization_needed = TRUE;
5274   }
5275
5276   if (!initialization_needed)
5277     return;
5278
5279   FreeLevelEditorGadgets();
5280   CreateLevelEditorGadgets();
5281
5282   /* store current setup values for next invocation of this function */
5283   last_setup_value_headlines = setup.editor.el_headlines;
5284   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5285     editor_elements_info[i].last_setup_value =
5286       *editor_elements_info[i].setup_value;
5287
5288   initialization_needed = FALSE;
5289 }
5290
5291 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5292                               boolean input)
5293 {
5294   int border_graphic =
5295     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5296   struct GraphicInfo *g = &graphic_info[border_graphic];
5297   Bitmap *src_bitmap = g->bitmap;
5298   int src_x = g->src_x;
5299   int src_y = g->src_y;
5300   int border_size = g->border_size;
5301   int border_xpos = g->width  - border_size;
5302   int border_ypos = g->height - border_size;
5303   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5304   int i;
5305
5306   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5307              border_size, border_size,
5308              dest_x - border_size, dest_y - border_size);
5309   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5310              border_size, border_size,
5311              dest_x + width, dest_y - border_size);
5312   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5313              border_size, border_size,
5314              dest_x - border_size, dest_y + height);
5315   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5316              border_size, border_size,
5317              dest_x + width, dest_y + height);
5318
5319   for (i = 0; i < width / tilesize; i++)
5320   {
5321     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5322                tilesize, border_size,
5323                dest_x + i * tilesize, dest_y - border_size);
5324     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5325                tilesize, border_size,
5326                dest_x + i * tilesize, dest_y + height);
5327   }
5328
5329   for (i = 0; i < height / tilesize; i++)
5330   {
5331     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5332                border_size, tilesize,
5333                dest_x - border_size, dest_y + i * tilesize);
5334     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5335                border_size, tilesize,
5336                dest_x + width, dest_y + i * tilesize);
5337   }
5338
5339   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5340 }
5341
5342 static void DrawEditorElement(int x, int y, int element)
5343 {
5344   DrawSizedElement(x, y, element, ed_tilesize);
5345 }
5346
5347 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5348 {
5349   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5350 }
5351
5352 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5353 {
5354   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5355 }
5356
5357 static void DrawDrawingArea(int id)
5358 {
5359   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5360   int x, y;
5361
5362   int *value = drawingarea_info[id].value;
5363   int area_xsize = drawingarea_info[id].area_xsize;
5364   int area_ysize = drawingarea_info[id].area_ysize;
5365   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5366
5367   for (x = 0; x < area_xsize; x++)
5368     for (y = 0; y < area_ysize; y++)
5369       DrawSizedGraphicExt(drawto,
5370                           gi->x + x * tilesize,
5371                           gi->y + y * tilesize,
5372                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5373 }
5374
5375 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5376 {
5377   int x, y;
5378   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5379   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5380
5381   BlitBitmap(drawto, drawto,
5382              SX + (dx == -1 ? ed_tilesize : 0),
5383              SY + (dy == -1 ? ed_tilesize : 0),
5384              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5385              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5386              SX + (dx == +1 ? ed_tilesize : 0),
5387              SY + (dy == +1 ? ed_tilesize : 0));
5388
5389   if (dx)
5390   {
5391     x = (dx == 1 ? 0 : ed_fieldx - 1);
5392     for (y = 0; y < ed_fieldy; y++)
5393       DrawEditorElementOrWall(x, y, from_x, from_y);
5394   }
5395   else if (dy)
5396   {
5397     y = (dy == 1 ? 0 : ed_fieldy - 1);
5398     for (x = 0; x < ed_fieldx; x++)
5399       DrawEditorElementOrWall(x, y, from_x, from_y);
5400   }
5401
5402   redraw_mask |= REDRAW_FIELD;
5403   BackToFront();
5404 }
5405
5406 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5407 {
5408   int graphic = el2edimg(element);
5409   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5410                    MINI_TILESIZE);
5411
5412   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5413 }
5414
5415 static void CreateControlButtons()
5416 {
5417   struct GadgetInfo *gi;
5418   int i;
5419
5420   /* create toolbox buttons */
5421   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5422   {
5423     int id = controlbutton_info[i].gadget_id;
5424     int type = controlbutton_info[i].gadget_type;
5425     int graphic = controlbutton_info[i].graphic;
5426     struct XY *pos = controlbutton_info[i].pos;
5427     struct GraphicInfo *gd = &graphic_info[graphic];
5428     int gd_x1 = gd->src_x;
5429     int gd_y1 = gd->src_y;
5430     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5431     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5432     int gd_x1a = gd->src_x + gd->active_xoffset;
5433     int gd_y1a = gd->src_y + gd->active_yoffset;
5434     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5435     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5436     int x = pos->x;
5437     int y = pos->y;
5438     unsigned int event_mask;
5439     int radio_button_nr = RADIO_NR_NONE;
5440     boolean checked = FALSE;
5441
5442     if (type == GD_TYPE_RADIO_BUTTON)
5443     {
5444       event_mask = GD_EVENT_PRESSED;
5445       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5446
5447       if (id == drawing_function)
5448         checked = TRUE;
5449     }
5450     else
5451     {
5452       if (id == GADGET_ID_WRAP_LEFT ||
5453           id == GADGET_ID_WRAP_RIGHT ||
5454           id == GADGET_ID_WRAP_UP ||
5455           id == GADGET_ID_WRAP_DOWN)
5456         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5457       else
5458         event_mask = GD_EVENT_RELEASED;
5459     }
5460
5461     if (id == GADGET_ID_PROPERTIES)
5462     {
5463       x += DX;
5464       y += DY;
5465     }
5466     else
5467     {
5468       x += EX;
5469       y += EY;
5470     }
5471
5472     gi = CreateGadget(GDI_CUSTOM_ID, id,
5473                       GDI_CUSTOM_TYPE_ID, i,
5474                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5475                       GDI_X, x,
5476                       GDI_Y, y,
5477                       GDI_WIDTH, gd->width,
5478                       GDI_HEIGHT, gd->height,
5479                       GDI_TYPE, type,
5480                       GDI_STATE, GD_BUTTON_UNPRESSED,
5481                       GDI_RADIO_NR, radio_button_nr,
5482                       GDI_CHECKED, checked,
5483                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5484                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5485                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5486                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5487                       GDI_EVENT_MASK, event_mask,
5488                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5489                       GDI_CALLBACK_ACTION, HandleControlButtons,
5490                       GDI_END);
5491
5492     if (gi == NULL)
5493       Error(ERR_EXIT, "cannot create gadget");
5494
5495     level_editor_gadget[id] = gi;
5496   }
5497
5498   /* these values are not constant, but can change at runtime */
5499   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5500   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5501   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5502   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5503   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5504   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5505   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5506   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5507   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5508   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5509   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5510   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5511
5512   /* create buttons for scrolling of drawing area and element list */
5513   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5514   {
5515     int id = scrollbutton_info[i].gadget_id;
5516     int graphic = scrollbutton_info[i].graphic;
5517     struct GraphicInfo *gd = &graphic_info[graphic];
5518     Bitmap *gd_bitmap = gd->bitmap;
5519     int gd_x1 = gd->src_x;
5520     int gd_y1 = gd->src_y;
5521     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5522     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5523     int width  = gd->width;
5524     int height = gd->height;
5525     int x = scrollbutton_pos[i].x;
5526     int y = scrollbutton_pos[i].y;
5527     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5528
5529     if (id == GADGET_ID_SCROLL_LIST_UP ||
5530         id == GADGET_ID_SCROLL_LIST_DOWN)
5531     {
5532       x += DX;
5533       y += DY;
5534     }
5535     else
5536     {
5537       x += SX;
5538       y += SY;
5539     }
5540
5541     gi = CreateGadget(GDI_CUSTOM_ID, id,
5542                       GDI_CUSTOM_TYPE_ID, i,
5543                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5544                       GDI_X, x,
5545                       GDI_Y, y,
5546                       GDI_WIDTH, width,
5547                       GDI_HEIGHT, height,
5548                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5549                       GDI_STATE, GD_BUTTON_UNPRESSED,
5550                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5551                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5552                       GDI_EVENT_MASK, event_mask,
5553                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5554                       GDI_CALLBACK_ACTION, HandleControlButtons,
5555                       GDI_END);
5556
5557     if (gi == NULL)
5558       Error(ERR_EXIT, "cannot create gadget");
5559
5560     level_editor_gadget[id] = gi;
5561   }
5562
5563   /* create buttons for element list */
5564   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5565   {
5566     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5567     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5568     struct GraphicInfo *gd = &graphic_info[graphic];
5569     Bitmap *gd_bitmap = gd->bitmap;
5570     Bitmap *deco_bitmap;
5571     int deco_x, deco_y, deco_xpos, deco_ypos;
5572     int gd_x1 = gd->src_x;
5573     int gd_y1 = gd->src_y;
5574     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5575     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5576     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5577     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5578     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5579     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5580     int element = editor_elements[i];
5581     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5582                      MINI_TILESIZE);
5583     unsigned int event_mask = GD_EVENT_RELEASED;
5584
5585     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5586     deco_xpos = (gd->width  - tile_size) / 2;
5587     deco_ypos = (gd->height - tile_size) / 2;
5588
5589     gi = CreateGadget(GDI_CUSTOM_ID, id,
5590                       GDI_CUSTOM_TYPE_ID, i,
5591                       GDI_INFO_TEXT, getElementInfoText(element),
5592                       GDI_X, x,
5593                       GDI_Y, y,
5594                       GDI_WIDTH, gd->width,
5595                       GDI_HEIGHT, gd->height,
5596                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5597                       GDI_STATE, GD_BUTTON_UNPRESSED,
5598                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5599                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5600                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5601                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5602                       GDI_DECORATION_SIZE, tile_size, tile_size,
5603                       GDI_DECORATION_SHIFTING, 1, 1,
5604                       GDI_EVENT_MASK, event_mask,
5605                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5606                       GDI_CALLBACK_ACTION, HandleControlButtons,
5607                       GDI_END);
5608
5609     if (gi == NULL)
5610       Error(ERR_EXIT, "cannot create gadget");
5611
5612     level_editor_gadget[id] = gi;
5613   }
5614 }
5615
5616 static void CreateCounterButtons()
5617 {
5618   int max_infotext_len = getMaxInfoTextLength();
5619   int i;
5620
5621   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5622   {
5623     int j;
5624     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5625     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5626
5627     /* determine horizontal position to the right of specified gadget */
5628     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5629       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5630            ED_GADGET_TEXT_DISTANCE);
5631
5632     /* determine horizontal offset for leading text */
5633     if (counterbutton_info[i].text_left != NULL)
5634       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5635
5636     for (j = 0; j < 2; j++)
5637     {
5638       struct GadgetInfo *gi;
5639       int id = (j == 0 ?
5640                 counterbutton_info[i].gadget_id_down :
5641                 counterbutton_info[i].gadget_id_up);
5642       int graphic;
5643       struct GraphicInfo *gd;
5644       int gd_x1, gd_x2, gd_y1, gd_y2;
5645       unsigned int event_mask;
5646       char infotext[max_infotext_len + 1];
5647
5648       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5649
5650       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5651       {
5652         graphic = (j == 0 ?
5653                    IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5654                    IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5655
5656         event_mask |= GD_EVENT_RELEASED;
5657
5658         if (j == 0)
5659         {
5660           x = DX + editor.button.prev_level.x;
5661           y = DY + editor.button.prev_level.y;
5662         }
5663         else
5664         {
5665           x = DX + editor.button.next_level.x;
5666           y = DY + editor.button.next_level.y;
5667         }
5668       }
5669       else
5670       {
5671         graphic = (j == 0 ?
5672                    IMG_EDITOR_COUNTER_DOWN :
5673                    IMG_EDITOR_COUNTER_UP);
5674       }
5675
5676       gd = &graphic_info[graphic];
5677
5678       gd_x1 = gd->src_x;
5679       gd_y1 = gd->src_y;
5680       gd_x2 = gd->src_x + gd->pressed_xoffset;
5681       gd_y2 = gd->src_y + gd->pressed_yoffset;
5682
5683       sprintf(infotext, "%s counter value by 1, 5 or 10",
5684               (j == 0 ? "decrease" : "increase"));
5685
5686       gi = CreateGadget(GDI_CUSTOM_ID, id,
5687                         GDI_CUSTOM_TYPE_ID, i,
5688                         GDI_INFO_TEXT, infotext,
5689                         GDI_X, x,
5690                         GDI_Y, y,
5691                         GDI_WIDTH, gd->width,
5692                         GDI_HEIGHT, gd->height,
5693                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5694                         GDI_STATE, GD_BUTTON_UNPRESSED,
5695                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5696                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5697                         GDI_EVENT_MASK, event_mask,
5698                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5699                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5700                         GDI_END);
5701
5702       if (gi == NULL)
5703         Error(ERR_EXIT, "cannot create gadget");
5704
5705       level_editor_gadget[id] = gi;
5706       right_gadget_border[id] =
5707         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5708
5709       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
5710
5711       if (j == 0)
5712       {
5713         int font_type = FONT_INPUT_1;
5714         int font_type_active = FONT_INPUT_1_ACTIVE;
5715
5716         id = counterbutton_info[i].gadget_id_text;
5717
5718         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5719
5720         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5721         {
5722           graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5723
5724           font_type = FONT_LEVEL_NUMBER;
5725           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5726
5727           x = DX + editor.input.level_number.x;
5728           y = DY + editor.input.level_number.y;
5729         }
5730         else
5731         {
5732           graphic = IMG_EDITOR_COUNTER_INPUT;
5733         }
5734
5735         gd = &graphic_info[graphic];
5736
5737         gd_x1 = gd->src_x;
5738         gd_y1 = gd->src_y;
5739         gd_x2 = gd->src_x + gd->active_xoffset;
5740         gd_y2 = gd->src_y + gd->active_yoffset;
5741
5742         gi = CreateGadget(GDI_CUSTOM_ID, id,
5743                           GDI_CUSTOM_TYPE_ID, i,
5744                           GDI_INFO_TEXT, "enter counter value",
5745                           GDI_X, x,
5746                           GDI_Y, y,
5747                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5748                           GDI_NUMBER_VALUE, 0,
5749                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5750                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5751                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5752                           GDI_TEXT_FONT, font_type,
5753                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5754                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5755                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5756                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5757                           GDI_DESIGN_WIDTH, gd->width,
5758                           GDI_EVENT_MASK, event_mask,
5759                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5760                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5761                           GDI_END);
5762
5763         if (gi == NULL)
5764           Error(ERR_EXIT, "cannot create gadget");
5765
5766         level_editor_gadget[id] = gi;
5767         right_gadget_border[id] =
5768           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5769
5770         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
5771       }
5772     }
5773   }
5774 }
5775
5776 static void CreateDrawingAreas()
5777 {
5778   int i;
5779
5780   /* these values are not constant, but can change at runtime */
5781   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5782   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5783
5784   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5785   {
5786     struct GadgetInfo *gi;
5787     unsigned int event_mask;
5788     int id = drawingarea_info[i].gadget_id;
5789     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5790     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5791     int area_xsize = drawingarea_info[i].area_xsize;
5792     int area_ysize = drawingarea_info[i].area_ysize;
5793     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5794                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
5795
5796     event_mask =
5797       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5798       GD_EVENT_OFF_BORDERS;
5799
5800     /* determine horizontal position to the right of specified gadget */
5801     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5802       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5803            ED_DRAWINGAREA_TEXT_DISTANCE);
5804
5805     /* determine horizontal offset for leading text */
5806     if (drawingarea_info[i].text_left != NULL)
5807       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5808
5809     gi = CreateGadget(GDI_CUSTOM_ID, id,
5810                       GDI_CUSTOM_TYPE_ID, i,
5811                       GDI_X, x,
5812                       GDI_Y, y,
5813                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5814                       GDI_AREA_SIZE, area_xsize, area_ysize,
5815                       GDI_ITEM_SIZE, item_size, item_size,
5816                       GDI_EVENT_MASK, event_mask,
5817                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5818                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5819                       GDI_END);
5820
5821     if (gi == NULL)
5822       Error(ERR_EXIT, "cannot create gadget");
5823
5824     level_editor_gadget[id] = gi;
5825     right_gadget_border[id] =
5826       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5827   }
5828 }
5829
5830 static void CreateTextInputGadgets()
5831 {
5832   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5833   int max_infotext_len = getMaxInfoTextLength();
5834   int i;
5835
5836   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5837   {
5838     int gd_x1 = gd->src_x;
5839     int gd_y1 = gd->src_y;
5840     int gd_x2 = gd->src_x + gd->active_xoffset;
5841     int gd_y2 = gd->src_y + gd->active_yoffset;
5842     struct GadgetInfo *gi;
5843     unsigned int event_mask;
5844     char infotext[MAX_OUTPUT_LINESIZE + 1];
5845     int id = textinput_info[i].gadget_id;
5846     int x, y;
5847
5848     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5849     {
5850       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5851       int border_size = gd->border_size;
5852       int font_nr = FONT_INPUT_1;
5853       int font_height = getFontHeight(font_nr);
5854       int xoffset = element_border + TILEX + element_border + 3 * border_size;
5855       int yoffset = element_border + (TILEY - font_height) / 2;
5856
5857       x = (editor.settings.element_name.x != -1 ?
5858            editor.settings.element_name.x :
5859            editor.settings.element_graphic.x + xoffset) - border_size;
5860       y = (editor.settings.element_name.y != -1 ?
5861            editor.settings.element_name.y :
5862            editor.settings.element_graphic.y + yoffset) - border_size;
5863     }
5864     else
5865     {
5866       x = ED_SETTINGS_X(textinput_info[i].x);
5867       y = ED_SETTINGS_Y(textinput_info[i].y);
5868     }
5869
5870     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5871
5872     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5873     infotext[max_infotext_len] = '\0';
5874
5875     gi = CreateGadget(GDI_CUSTOM_ID, id,
5876                       GDI_CUSTOM_TYPE_ID, i,
5877                       GDI_INFO_TEXT, infotext,
5878                       GDI_X, SX + x,
5879                       GDI_Y, SY + y,
5880                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5881                       GDI_TEXT_VALUE, textinput_info[i].value,
5882                       GDI_TEXT_SIZE, textinput_info[i].size,
5883                       GDI_TEXT_FONT, FONT_INPUT_1,
5884                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5885                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5886                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5887                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5888                       GDI_DESIGN_WIDTH, gd->width,
5889                       GDI_EVENT_MASK, event_mask,
5890                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5891                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5892                       GDI_END);
5893
5894     if (gi == NULL)
5895       Error(ERR_EXIT, "cannot create gadget");
5896
5897     level_editor_gadget[id] = gi;
5898   }
5899 }
5900
5901 static void CreateTextAreaGadgets()
5902 {
5903   int max_infotext_len = getMaxInfoTextLength();
5904   int i;
5905
5906   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5907   {
5908     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5909     int gd_x1 = gd->src_x;
5910     int gd_y1 = gd->src_y;
5911     int gd_x2 = gd->src_x + gd->active_xoffset;
5912     int gd_y2 = gd->src_y + gd->active_yoffset;
5913     struct GadgetInfo *gi;
5914     unsigned int event_mask;
5915     char infotext[MAX_OUTPUT_LINESIZE + 1];
5916     int id = textarea_info[i].gadget_id;
5917     int area_xsize = textarea_info[i].xsize;
5918     int area_ysize = textarea_info[i].ysize;
5919
5920     event_mask = GD_EVENT_TEXT_LEAVING;
5921
5922     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5923     infotext[max_infotext_len] = '\0';
5924
5925     gi = CreateGadget(GDI_CUSTOM_ID, id,
5926                       GDI_CUSTOM_TYPE_ID, i,
5927                       GDI_INFO_TEXT, infotext,
5928                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
5929                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
5930                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5931                       GDI_AREA_SIZE, area_xsize, area_ysize,
5932                       GDI_TEXT_FONT, FONT_INPUT_1,
5933                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5934                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5935                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5936                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5937                       GDI_DESIGN_WIDTH, gd->width,
5938                       GDI_EVENT_MASK, event_mask,
5939                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5940                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5941                       GDI_END);
5942
5943     if (gi == NULL)
5944       Error(ERR_EXIT, "cannot create gadget");
5945
5946     level_editor_gadget[id] = gi;
5947   }
5948 }
5949
5950 static void CreateSelectboxGadgets()
5951 {
5952   int max_infotext_len = getMaxInfoTextLength();
5953   int i, j;
5954
5955   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5956   {
5957     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
5958     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
5959     int gd_x1 = gd->src_x;
5960     int gd_y1 = gd->src_y;
5961     int gd_x2 = gd->src_x + gd->active_xoffset;
5962     int gd_y2 = gd->src_y + gd->active_yoffset;
5963     int selectbox_button_xsize = gd2->width;
5964     struct GadgetInfo *gi;
5965     unsigned int event_mask;
5966     char infotext[MAX_OUTPUT_LINESIZE + 1];
5967     int id = selectbox_info[i].gadget_id;
5968     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
5969     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
5970
5971     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5972     {
5973       /* (we cannot use -1 for uninitialized values if we directly compare
5974          with results from strlen(), because the '<' and '>' operation will
5975          implicitely cast -1 to an unsigned integer value!) */
5976       selectbox_info[i].size = 0;
5977
5978       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5979         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5980           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5981
5982       selectbox_info[i].size++;         /* add one character empty space */
5983     }
5984
5985     event_mask = GD_EVENT_RELEASED |
5986       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5987
5988     /* determine horizontal position to the right of specified gadget */
5989     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5990       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5991            ED_GADGET_TEXT_DISTANCE);
5992
5993     /* determine horizontal offset for leading text */
5994     if (selectbox_info[i].text_left != NULL)
5995       x += getTextWidthForGadget(selectbox_info[i].text_left);
5996
5997     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5998     infotext[max_infotext_len] = '\0';
5999
6000     gi = CreateGadget(GDI_CUSTOM_ID, id,
6001                       GDI_CUSTOM_TYPE_ID, i,
6002                       GDI_INFO_TEXT, infotext,
6003                       GDI_X, x,
6004                       GDI_Y, y,
6005                       GDI_TYPE, GD_TYPE_SELECTBOX,
6006                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6007                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6008                       GDI_TEXT_SIZE, selectbox_info[i].size,
6009                       GDI_TEXT_FONT, FONT_INPUT_1,
6010                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6011                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6012                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6013                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6014                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6015                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6016                       GDI_DESIGN_WIDTH, gd->width,
6017                       GDI_EVENT_MASK, event_mask,
6018                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6019                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6020                       GDI_END);
6021
6022     if (gi == NULL)
6023       Error(ERR_EXIT, "cannot create gadget");
6024
6025     level_editor_gadget[id] = gi;
6026     right_gadget_border[id] =
6027       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6028   }
6029 }
6030
6031 static void CreateTextbuttonGadgets()
6032 {
6033   int max_infotext_len = getMaxInfoTextLength();
6034   int i;
6035
6036   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6037   {
6038     int id = textbutton_info[i].gadget_id;
6039     int is_tab_button =
6040       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6041        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6042     int graphic =
6043       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6044     int gadget_distance =
6045       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6046     struct GraphicInfo *gd = &graphic_info[graphic];
6047     int gd_x1 = gd->src_x;
6048     int gd_y1 = gd->src_y;
6049     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6050     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6051     int gd_x1a = gd->src_x + gd->active_xoffset;
6052     int gd_y1a = gd->src_y + gd->active_yoffset;
6053     int border_xsize = gd->border_size + gd->draw_xoffset;
6054     int border_ysize = gd->border_size;
6055     struct GadgetInfo *gi;
6056     unsigned int event_mask;
6057     char infotext[MAX_OUTPUT_LINESIZE + 1];
6058     int x = SX + ED_TAB_SETTINGS_X(textbutton_info[i].x);
6059     int y = SY + ED_TAB_SETTINGS_Y(textbutton_info[i].y);
6060
6061     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6062       textbutton_info[i].size = strlen(textbutton_info[i].text);
6063
6064     event_mask = GD_EVENT_RELEASED;
6065
6066     sprintf(infotext, "%s", textbutton_info[i].infotext);
6067     infotext[max_infotext_len] = '\0';
6068
6069     /* determine horizontal position to the right of specified gadget */
6070     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6071     {
6072       int gadget_id_align = textbutton_info[i].gadget_id_align;
6073
6074       x = right_gadget_border[gadget_id_align] + gadget_distance;
6075
6076       if (textbutton_info[i].y == -1)
6077         y = level_editor_gadget[gadget_id_align]->y;
6078     }
6079
6080     /* determine horizontal offset for leading text */
6081     if (textbutton_info[i].text_left != NULL)
6082       x += getTextWidthForGadget(textbutton_info[i].text_left);
6083
6084     gi = CreateGadget(GDI_CUSTOM_ID, id,
6085                       GDI_CUSTOM_TYPE_ID, i,
6086                       GDI_INFO_TEXT, infotext,
6087                       GDI_X, x,
6088                       GDI_Y, y,
6089                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6090                       GDI_TEXT_VALUE, textbutton_info[i].text,
6091                       GDI_TEXT_SIZE, textbutton_info[i].size,
6092                       GDI_TEXT_FONT, FONT_INPUT_2,
6093                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6094                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6095                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6096                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6097                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6098                       GDI_DESIGN_WIDTH, gd->width,
6099                       GDI_DECORATION_SHIFTING, 1, 1,
6100                       GDI_EVENT_MASK, event_mask,
6101                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6102                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6103                       GDI_END);
6104
6105     if (gi == NULL)
6106       Error(ERR_EXIT, "cannot create gadget");
6107
6108     level_editor_gadget[id] = gi;
6109     right_gadget_border[id] =
6110       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6111   }
6112 }
6113
6114 static void CreateGraphicbuttonGadgets()
6115 {
6116   struct GadgetInfo *gi;
6117   unsigned int event_mask;
6118   int i;
6119
6120   /* create buttons for scrolling of drawing area and element list */
6121   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6122   {
6123     int id = graphicbutton_info[i].gadget_id;
6124     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6125     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6126     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6127     int gd_x1 = gd->src_x;
6128     int gd_y1 = gd->src_y;
6129     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6130     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6131
6132     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6133
6134     /* determine horizontal position to the right of specified gadget */
6135     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6136       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6137            ED_GADGET_TEXT_DISTANCE);
6138
6139     /* determine horizontal offset for leading text */
6140     if (graphicbutton_info[i].text_left != NULL)
6141       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6142
6143     gi = CreateGadget(GDI_CUSTOM_ID, id,
6144                       GDI_CUSTOM_TYPE_ID, i,
6145                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6146                       GDI_X, x,
6147                       GDI_Y, y,
6148                       GDI_WIDTH, gd->width,
6149                       GDI_HEIGHT, gd->height,
6150                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6151                       GDI_STATE, GD_BUTTON_UNPRESSED,
6152                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6153                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6154                       GDI_EVENT_MASK, event_mask,
6155                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6156                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6157                       GDI_END);
6158
6159     if (gi == NULL)
6160       Error(ERR_EXIT, "cannot create gadget");
6161
6162     level_editor_gadget[id] = gi;
6163     right_gadget_border[id] =
6164       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6165   }
6166 }
6167
6168 static void CreateScrollbarGadgets()
6169 {
6170   int i;
6171
6172   /* these values are not constant, but can change at runtime */
6173   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6174     SX + ED_SCROLL_HORIZONTAL_XPOS;
6175   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6176     SY + ED_SCROLL_HORIZONTAL_YPOS;
6177   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6178     ED_SCROLL_HORIZONTAL_XSIZE;
6179   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6180     ED_SCROLL_HORIZONTAL_YSIZE;
6181   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6182   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6183   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6184   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6185
6186   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6187     SX + ED_SCROLL_VERTICAL_XPOS;
6188   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6189     SY + ED_SCROLL_VERTICAL_YPOS;
6190   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6191     ED_SCROLL_VERTICAL_XSIZE;
6192   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6193     ED_SCROLL_VERTICAL_YSIZE;
6194   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6195   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6196   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6197   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6198
6199   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6200     DX + ED_SCROLL2_VERTICAL_XPOS;
6201   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6202     DY + ED_SCROLL2_VERTICAL_YPOS;
6203   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6204     ED_SCROLL2_VERTICAL_XSIZE;
6205   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6206     ED_SCROLL2_VERTICAL_YSIZE;
6207   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6208   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6209   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6210   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6211
6212   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6213   {
6214     int id = scrollbar_info[i].gadget_id;
6215     int graphic = scrollbar_info[i].graphic;
6216     struct GraphicInfo *gd = &graphic_info[graphic];
6217     int gd_x1 = gd->src_x;
6218     int gd_y1 = gd->src_y;
6219     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6220     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6221     struct GadgetInfo *gi;
6222     int items_max, items_visible, item_position;
6223     unsigned int event_mask;
6224
6225     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6226     {
6227       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6228       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6229       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6230     }
6231     else        /* drawing area scrollbars */
6232     {
6233       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6234       {
6235         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6236         items_visible = ed_fieldx;
6237         item_position = 0;
6238       }
6239       else
6240       {
6241         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6242         items_visible = ed_fieldy;
6243         item_position = 0;
6244       }
6245     }
6246
6247     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6248
6249     gi = CreateGadget(GDI_CUSTOM_ID, id,
6250                       GDI_CUSTOM_TYPE_ID, i,
6251                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6252                       GDI_X, scrollbar_pos[i].x,
6253                       GDI_Y, scrollbar_pos[i].y,
6254                       GDI_WIDTH, scrollbar_pos[i].width,
6255                       GDI_HEIGHT, scrollbar_pos[i].height,
6256                       GDI_TYPE, scrollbar_info[i].type,
6257                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6258                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6259                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6260                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6261                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6262                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6263                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6264                       GDI_STATE, GD_BUTTON_UNPRESSED,
6265                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6266                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6267                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6268                       GDI_EVENT_MASK, event_mask,
6269                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6270                       GDI_CALLBACK_ACTION, HandleControlButtons,
6271                       GDI_END);
6272
6273     if (gi == NULL)
6274       Error(ERR_EXIT, "cannot create gadget");
6275
6276     level_editor_gadget[id] = gi;
6277   }
6278 }
6279
6280 static void CreateCheckbuttonGadgets()
6281 {
6282   struct GadgetInfo *gi;
6283   unsigned int event_mask;
6284   int i;
6285
6286   event_mask = GD_EVENT_PRESSED;
6287
6288   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6289   {
6290     int id = checkbutton_info[i].gadget_id;
6291     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6292                    IMG_EDITOR_CHECKBOX);
6293     struct GraphicInfo *gd = &graphic_info[graphic];
6294     int gd_x1 = gd->src_x;
6295     int gd_y1 = gd->src_y;
6296     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6297     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6298     int gd_x1a = gd->src_x + gd->active_xoffset;
6299     int gd_y1a = gd->src_y + gd->active_yoffset;
6300     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6301     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6302     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6303     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6304
6305     /* determine horizontal position to the right of specified gadget */
6306     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6307       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6308            ED_GADGET_TEXT_DISTANCE);
6309
6310     /* determine horizontal offset for leading text */
6311     if (checkbutton_info[i].text_left != NULL)
6312       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6313
6314     gi = CreateGadget(GDI_CUSTOM_ID, id,
6315                       GDI_CUSTOM_TYPE_ID, i,
6316                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6317                       GDI_X, x,
6318                       GDI_Y, y,
6319                       GDI_WIDTH, gd->width,
6320                       GDI_HEIGHT, gd->height,
6321                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6322                       GDI_CHECKED, *checkbutton_info[i].value,
6323                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6324                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6325                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6326                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6327                       GDI_EVENT_MASK, event_mask,
6328                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6329                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6330                       GDI_END);
6331
6332     if (gi == NULL)
6333       Error(ERR_EXIT, "cannot create gadget");
6334
6335     level_editor_gadget[id] = gi;
6336     right_gadget_border[id] =
6337       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6338   }
6339 }
6340
6341 static void CreateRadiobuttonGadgets()
6342 {
6343   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6344   int gd_x1 = gd->src_x;
6345   int gd_y1 = gd->src_y;
6346   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6347   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6348   int gd_x1a = gd->src_x + gd->active_xoffset;
6349   int gd_y1a = gd->src_y + gd->active_yoffset;
6350   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6351   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6352   struct GadgetInfo *gi;
6353   unsigned int event_mask;
6354   int i;
6355
6356   event_mask = GD_EVENT_PRESSED;
6357
6358   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6359   {
6360     int id = radiobutton_info[i].gadget_id;
6361     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6362     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6363
6364     int checked =
6365       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6366
6367     /* determine horizontal position to the right of specified gadget */
6368     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6369       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6370            ED_GADGET_TEXT_DISTANCE);
6371
6372     /* determine horizontal offset for leading text */
6373     if (radiobutton_info[i].text_left != NULL)
6374       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6375
6376     gi = CreateGadget(GDI_CUSTOM_ID, id,
6377                       GDI_CUSTOM_TYPE_ID, i,
6378                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6379                       GDI_X, x,
6380                       GDI_Y, y,
6381                       GDI_WIDTH, gd->width,
6382                       GDI_HEIGHT, gd->height,
6383                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6384                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6385                       GDI_CHECKED, checked,
6386                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6387                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6388                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6389                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6390                       GDI_EVENT_MASK, event_mask,
6391                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6392                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6393                       GDI_END);
6394
6395     if (gi == NULL)
6396       Error(ERR_EXIT, "cannot create gadget");
6397
6398     level_editor_gadget[id] = gi;
6399     right_gadget_border[id] =
6400       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6401   }
6402 }
6403
6404 void CreateLevelEditorGadgets()
6405 {
6406   /* force EDITOR font inside level editor */
6407   SetFontStatus(GAME_MODE_EDITOR);
6408
6409   /* these values are not constant, but can change at runtime */
6410   ed_fieldx = MAX_ED_FIELDX - 1;
6411   ed_fieldy = MAX_ED_FIELDY - 1;
6412
6413   num_editor_gadgets = NUM_EDITOR_GADGETS;
6414
6415   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6416
6417   level_editor_gadget =
6418     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6419   right_gadget_border =
6420     checked_calloc(num_editor_gadgets * sizeof(int));
6421
6422   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6423   editor_el_empty_ptr = editor_el_empty;
6424
6425   ReinitializeElementList();
6426
6427   CreateControlButtons();
6428   CreateScrollbarGadgets();
6429
6430   /* order of function calls is important because of cross-references */
6431   CreateCheckbuttonGadgets();
6432   CreateCounterButtons();
6433   CreateRadiobuttonGadgets();
6434   CreateTextInputGadgets();
6435   CreateTextAreaGadgets();
6436   CreateSelectboxGadgets();
6437   CreateGraphicbuttonGadgets();
6438   CreateTextbuttonGadgets();
6439   CreateDrawingAreas();
6440
6441   ResetFontStatus();
6442 }
6443
6444 void FreeLevelEditorGadgets()
6445 {
6446   int i;
6447
6448   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6449
6450   for (i = 0; i < num_editor_gadgets; i++)
6451   {
6452     FreeGadget(level_editor_gadget[i]);
6453
6454     level_editor_gadget[i] = NULL;
6455   }
6456
6457   checked_free(level_editor_gadget);
6458   checked_free(right_gadget_border);
6459
6460   checked_free(editor_el_empty);
6461 }
6462
6463 static void MapCounterButtons(int id)
6464 {
6465   int font_nr = FONT_TEXT_1;
6466   int font_height = getFontHeight(font_nr);
6467   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6468   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6469   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6470   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6471   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6472   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6473   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6474   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6475   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6476   int yoffset = (gi_down->height - font_height) / 2;
6477   int x_left = gi_down->x - xoffset_left;
6478   int x_right;  /* set after gadget position was modified */
6479   int y_above = gi_down->y - yoffset_above;
6480   int x = gi_down->x;
6481   int y;        /* set after gadget position was modified */
6482
6483   /* counter limits must be changed first to prevent value truncation */
6484   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6485                             counterbutton_info[id].max_value);
6486
6487   /* right text position might have changed after setting position above */
6488   x_right = gi_up->x + gi_up->width + xoffset_right;
6489
6490   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6491
6492   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6493   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6494       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6495   {
6496     ModifyGadget(gi_down, GDI_Y,
6497                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6498     ModifyGadget(gi_text, GDI_Y,
6499                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6500     ModifyGadget(gi_up,   GDI_Y,
6501                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6502   }
6503
6504   /* vertical position might have changed after setting position above */
6505   y = gi_up->y + yoffset;
6506
6507   if (counterbutton_info[id].text_above)
6508     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6509
6510   if (counterbutton_info[id].text_left)
6511     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6512
6513   if (counterbutton_info[id].text_right)
6514     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6515
6516   MapGadget(gi_down);
6517   MapGadget(gi_text);
6518   MapGadget(gi_up);
6519 }
6520
6521 static void MapControlButtons()
6522 {
6523   int counter_id;
6524   int i;
6525
6526   /* map toolbox buttons (excluding special CE toolbox buttons) */
6527   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6528     MapGadget(level_editor_gadget[i]);
6529
6530   /* map toolbox buttons (element properties button) */
6531   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6532
6533   /* map buttons to select elements */
6534   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6535     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6536   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6537   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6538   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6539
6540   /* map buttons to select level */
6541   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6542   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6543   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6544   MapCounterButtons(counter_id);
6545 }
6546
6547 static void MapDrawingArea(int id)
6548 {
6549   int font_nr = FONT_TEXT_1;
6550   int font_height = getFontHeight(font_nr);
6551   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6552   int area_xsize = gi->drawing.area_xsize;
6553   int area_ysize = gi->drawing.area_ysize;
6554   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6555   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6556   int x_left  = gi->x - xoffset_left;
6557   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6558   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6559   int y_side  = gi->y + (gi->height - font_height) / 2;
6560   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6561
6562   if (drawingarea_info[id].text_left)
6563     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6564
6565   if (drawingarea_info[id].text_right)
6566     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6567
6568   if (drawingarea_info[id].text_below)
6569     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6570
6571   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6572   {
6573     DrawElementBorder(gi->x, gi->y,
6574                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
6575                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
6576
6577     DrawDrawingArea(id);
6578   }
6579
6580   MapGadget(gi);
6581 }
6582
6583 static void MapTextInputGadget(int id)
6584 {
6585   int font_nr = FONT_TEXT_1;
6586   int font_height = getFontHeight(font_nr);
6587   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6588   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6589   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6590   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6591
6592   if (textinput_info[id].text_above)
6593     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6594
6595   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6596
6597   MapGadget(gi);
6598 }
6599
6600 static void MapTextAreaGadget(int id)
6601 {
6602   int font_nr = FONT_TEXT_1;
6603   int font_height = getFontHeight(font_nr);
6604   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6605   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6606   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6607   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6608
6609   if (textarea_info[id].text_above)
6610     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6611
6612   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6613
6614   MapGadget(gi);
6615 }
6616
6617 static void MapSelectboxGadget(int id)
6618 {
6619   int font_nr = FONT_TEXT_1;
6620   int font_height = getFontHeight(font_nr);
6621   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6622   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6623   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6624   int yoffset = (gi->height - font_height) / 2;
6625   int x_left = gi->x - xoffset_left;
6626   int x_right = gi->x + gi->width + xoffset_right;
6627   int y = gi->y + yoffset;
6628
6629   if (selectbox_info[id].text_left)
6630     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6631
6632   if (selectbox_info[id].text_right)
6633     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6634
6635   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6636
6637   MapGadget(gi);
6638 }
6639
6640 static void MapTextbuttonGadget(int id)
6641 {
6642   int font_nr = FONT_TEXT_1;
6643   int font_height = getFontHeight(font_nr);
6644   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6645   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6646   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6647   int yoffset = (gi->height - font_height) / 2;
6648   int x_left = gi->x - xoffset_left;
6649   int x_right = gi->x + gi->width + xoffset_right;
6650   int y = gi->y + yoffset;
6651
6652   /* only show button to delete change pages when more than minimum pages */
6653   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6654       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6655     return;
6656
6657   if (textbutton_info[id].text_left)
6658     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6659
6660   if (textbutton_info[id].text_right)
6661     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6662
6663   MapGadget(gi);
6664 }
6665
6666 static void MapGraphicbuttonGadget(int id)
6667 {
6668   int font_nr = FONT_TEXT_1;
6669   int font_height = getFontHeight(font_nr);
6670   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6671   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6672   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6673   int yoffset = (gi->height - font_height) / 2;
6674   int x_left = gi->x - xoffset_left;
6675   int x_right = gi->x + gi->width + xoffset_right;
6676   int y = gi->y + yoffset;
6677
6678   if (graphicbutton_info[id].text_left)
6679     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6680
6681   if (graphicbutton_info[id].text_right)
6682     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6683
6684   MapGadget(gi);
6685 }
6686
6687 static void MapRadiobuttonGadget(int id)
6688 {
6689   int font_nr = FONT_TEXT_1;
6690   int font_height = getFontHeight(font_nr);
6691   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6692   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6693   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6694   int yoffset = (gi->height - font_height) / 2;
6695   int x_left = gi->x - xoffset_left;
6696   int x_right = gi->x + gi->width + xoffset_right;
6697   int y = gi->y + yoffset;
6698   boolean checked =
6699     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6700
6701   if (radiobutton_info[id].text_left)
6702     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6703
6704   if (radiobutton_info[id].text_right)
6705     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6706
6707   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6708
6709   MapGadget(gi);
6710 }
6711
6712 static void MapCheckbuttonGadget(int id)
6713 {
6714   int font_nr = FONT_TEXT_1;
6715   int font_height = getFontHeight(font_nr);
6716   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6717   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6718   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6719   int yoffset = (gi->height - font_height) / 2;
6720   int x_left, x_right, y;       /* set after gadget position was modified */
6721
6722   /* set position for gadgets with dynamically determined position */
6723   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6724     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6725   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6726
6727   x_left = gi->x - xoffset_left;
6728   x_right = gi->x + gi->width + xoffset_right;
6729   y = gi->y + yoffset;
6730
6731   if (checkbutton_info[id].text_left)
6732     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6733
6734   if (checkbutton_info[id].text_right)
6735     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6736
6737   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6738
6739   MapGadget(gi);
6740 }
6741
6742 static void MapMainDrawingArea()
6743 {
6744   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6745   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6746   int i;
6747
6748   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6749   {
6750     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6751           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6752          no_horizontal_scrollbar) ||
6753         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6754           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6755          no_vertical_scrollbar))
6756       continue;
6757
6758     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6759   }
6760
6761   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6762   {
6763     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6764         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6765       continue;
6766
6767     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6768   }
6769
6770   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6771 }
6772
6773 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6774 {
6775   int i;
6776
6777   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6778   {
6779     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6780         i == GADGET_ID_CUSTOM_COPY_TO ||
6781         i == GADGET_ID_CUSTOM_EXCHANGE ||
6782         i == GADGET_ID_CUSTOM_COPY ||
6783         i == GADGET_ID_CUSTOM_PASTE)
6784     {
6785       if (map)
6786         MapGadget(level_editor_gadget[i]);
6787       else
6788         UnmapGadget(level_editor_gadget[i]);
6789     }
6790   }
6791 }
6792
6793 static void MapLevelEditorToolboxCustomGadgets()
6794 {
6795   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6796 }
6797
6798 static void UnmapLevelEditorToolboxCustomGadgets()
6799 {
6800   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6801 }
6802
6803 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6804 {
6805   int i;
6806
6807   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6808   {
6809     if (i != GADGET_ID_SINGLE_ITEMS &&
6810         i != GADGET_ID_PICK_ELEMENT)
6811     {
6812       struct GadgetInfo *gi = level_editor_gadget[i];
6813
6814       if (map)
6815       {
6816         MapGadget(gi);
6817       }
6818       else
6819       {
6820         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6821         struct GraphicInfo *gd = &graphic_info[graphic];
6822
6823         UnmapGadget(gi);
6824
6825         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6826                    gi->width, gi->height, gi->x, gi->y);
6827
6828         redraw_mask |= REDRAW_DOOR_3;
6829       }
6830     }
6831   }
6832 }
6833
6834 static void MapLevelEditorToolboxDrawingGadgets()
6835 {
6836   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6837 }
6838
6839 static void UnmapLevelEditorToolboxDrawingGadgets()
6840 {
6841   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6842 }
6843
6844 static void UnmapDrawingArea(int id)
6845 {
6846   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6847 }
6848
6849 static void UnmapLevelEditorFieldGadgets()
6850 {
6851   int i;
6852
6853   for (i = 0; i < num_editor_gadgets; i++)
6854     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6855                           level_editor_gadget[i]->y))
6856       UnmapGadget(level_editor_gadget[i]);
6857 }
6858
6859 void UnmapLevelEditorGadgets()
6860 {
6861   int i;
6862
6863   for (i = 0; i < num_editor_gadgets; i++)
6864     UnmapGadget(level_editor_gadget[i]);
6865 }
6866
6867 static void ResetUndoBuffer()
6868 {
6869   undo_buffer_position = -1;
6870   undo_buffer_steps = -1;
6871   redo_buffer_steps = 0;
6872
6873   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6874
6875   level.changed = FALSE;
6876 }
6877
6878 static void DrawEditModeWindow()
6879 {
6880   ModifyEditorElementList();
6881   RedrawDrawingElements();
6882
6883   if (edit_mode == ED_MODE_INFO)
6884     DrawLevelInfoWindow();
6885   else if (edit_mode == ED_MODE_PROPERTIES)
6886     DrawPropertiesWindow();
6887   else  /* edit_mode == ED_MODE_DRAWING */
6888     DrawDrawingWindow();
6889 }
6890
6891 static boolean LevelChanged()
6892 {
6893   boolean field_changed = FALSE;
6894   int x, y;
6895
6896   for (y = 0; y < lev_fieldy; y++)
6897     for (x = 0; x < lev_fieldx; x++)
6898       if (Feld[x][y] != level.field[x][y])
6899         field_changed = TRUE;
6900
6901   return (level.changed || field_changed);
6902 }
6903
6904 static boolean PrepareSavingIntoPersonalLevelSet()
6905 {
6906   static LevelDirTree *last_copied_leveldir = NULL;
6907   static LevelDirTree *last_written_leveldir = NULL;
6908   static int last_copied_level_nr = -1;
6909   static int last_written_level_nr = -1;
6910   LevelDirTree *leveldir_former = leveldir_current;
6911   int level_nr_former = level_nr;
6912   int new_level_nr;
6913
6914   // remember last mod/save so that for current session, we write
6915   // back to the same personal copy, asking only about overwrite.
6916   if (leveldir_current == last_copied_leveldir &&
6917       level_nr == last_copied_level_nr)
6918   {
6919     // "cd" to personal level set dir (as used when writing last copy)
6920     leveldir_current = last_written_leveldir;
6921     level_nr = last_written_level_nr;
6922
6923     return TRUE;
6924   }
6925
6926   if (!Request("This level is read only! "
6927                "Save into personal level set?", REQ_ASK))
6928     return FALSE;
6929
6930   // "cd" to personal level set dir (for writing copy the first time)
6931   leveldir_current =
6932     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6933
6934   // find unused level number
6935   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6936   {
6937     static char *level_filename = NULL;
6938
6939     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6940
6941     if (!fileExists(level_filename))
6942       break;
6943   }
6944
6945   last_copied_leveldir = leveldir_former;
6946   last_copied_level_nr = level_nr_former;
6947
6948   last_written_leveldir = leveldir_current;
6949   last_written_level_nr = level_nr = new_level_nr;
6950
6951   return TRUE;
6952 }
6953
6954 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6955 {
6956   static char *filename_levelinfo = NULL, *mod_name = NULL;
6957   FILE *file;
6958
6959   // annotate this copy-and-mod in personal levelinfo.conf
6960   setString(&filename_levelinfo,
6961             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6962
6963   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6964   {
6965     fprintf(file, "\n");
6966     fprintf(file, "# level %d was modified from:\n", level_nr);
6967     fprintf(file, "# - previous level set name:    %s\n",
6968             former_name);
6969     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6970             level.file_info.nr, level.name);
6971     fprintf(file, "# - previous author:            %s\n",
6972             level.author);
6973     fprintf(file, "# - previous save date:         ");
6974
6975     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6976     {
6977       fprintf(file, "%04d-%02d-%02d\n",
6978               level.creation_date.year,
6979               level.creation_date.month,
6980               level.creation_date.day);
6981     }
6982     else
6983     {
6984       fprintf(file, "not recorded\n");
6985     }
6986
6987     fclose(file);
6988   }
6989
6990   if (level_nr > leveldir_current->last_level)
6991   {
6992     static char *temp_levelinfo = NULL;
6993     FILE *temp_file = NULL;
6994     char line[MAX_LINE_LEN];
6995
6996     setString(&temp_levelinfo,
6997               getPath2(getCurrentLevelDir(),
6998                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6999
7000     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
7001         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
7002     {
7003       while (fgets(line, MAX_LINE_LEN, file))
7004       {
7005         if (!strPrefix(line, "levels:"))
7006           fputs(line, temp_file);
7007         else
7008           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7009       }
7010     }
7011
7012     if (temp_file)
7013       fclose(temp_file);
7014
7015     if (file)
7016       fclose(file);
7017
7018     // needs error handling; also, ok on dos/win?
7019     unlink(filename_levelinfo);
7020     rename(temp_levelinfo, filename_levelinfo);
7021   }
7022
7023   // else: allow the save even if annotation failed
7024
7025   // now... spray graffiti on the old level vital statistics
7026   // user can change these; just trying to set a good baseline
7027
7028   // don't truncate names for fear of making offensive or silly:
7029   // long-named original author only recorded in levelinfo.conf.
7030   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7031   if (!strEqual(level.author, leveldir_current->author))
7032   {
7033     setString(&mod_name, getStringCat3(leveldir_current->author,
7034                                        " after ", level.author));
7035
7036     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7037       setString(&mod_name,
7038                 getStringCat2(leveldir_current->author, " (ed.)"));
7039
7040     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7041       setString(&mod_name, leveldir_current->author);
7042
7043     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7044
7045     // less worried about truncation here
7046     setString(&mod_name, getStringCat2("Mod: ", level.name));
7047     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7048   }
7049 }
7050
7051 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7052                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7053 {
7054   int x, y;
7055
7056   for (x = 0; x < lev_fieldx; x++)
7057     for (y = 0; y < lev_fieldy; y++)
7058       dst[x][y] = src[x][y];
7059 }
7060
7061 static int setSelectboxValue(int selectbox_id, int new_value)
7062 {
7063   int new_index_value = 0;
7064   int i;
7065
7066   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7067     if (selectbox_info[selectbox_id].options[i].value == new_value)
7068       new_index_value = i;
7069
7070   *selectbox_info[selectbox_id].value =
7071     selectbox_info[selectbox_id].options[new_index_value].value;
7072
7073   return new_index_value;
7074 }
7075
7076 static void setSelectboxSpecialActionVariablesIfNeeded()
7077 {
7078   int i;
7079
7080   /* change action mode and arg variables according to action type variable */
7081   for (i = 0; action_arg_options[i].value != -1; i++)
7082   {
7083     if (action_arg_options[i].value == custom_element_change.action_type)
7084     {
7085       int mode = action_arg_options[i].mode;
7086
7087       /* only change if corresponding selectbox has changed */
7088       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7089           action_arg_modes[mode])
7090         custom_element_change.action_mode = -1;
7091
7092       /* only change if corresponding selectbox has changed */
7093       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7094           action_arg_options[i].options)
7095         custom_element_change.action_arg = -1;
7096
7097       break;
7098     }
7099   }
7100 }
7101
7102 static void setSelectboxSpecialActionOptions()
7103 {
7104   int i;
7105
7106   /* change action mode and arg selectbox according to action type selectbox */
7107   for (i = 0; action_arg_options[i].value != -1; i++)
7108   {
7109     if (action_arg_options[i].value == custom_element_change.action_type)
7110     {
7111       int mode = action_arg_options[i].mode;
7112
7113       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7114                                    action_arg_modes[mode]);
7115       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7116                                  custom_element_change.action_mode);
7117
7118       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7119                                    action_arg_options[i].options);
7120       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7121                                  custom_element_change.action_arg);
7122       break;
7123     }
7124   }
7125 }
7126
7127 static void copy_custom_element_settings(int element_from, int element_to)
7128 {
7129   struct ElementInfo *ei_from = &element_info[element_from];
7130   struct ElementInfo *ei_to = &element_info[element_to];
7131
7132   copyElementInfo(ei_from, ei_to);
7133 }
7134
7135 static void replace_custom_element_in_settings(int element_from,
7136                                                int element_to)
7137 {
7138   int i, j, x, y;
7139
7140   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7141   {
7142     struct ElementInfo *ei = &element_info[i];
7143
7144     for (y = 0; y < 3; y++)
7145       for (x = 0; x < 3; x++)
7146         if (ei->content.e[x][y] == element_from)
7147           ei->content.e[x][y] = element_to;
7148
7149     for (j = 0; j < ei->num_change_pages; j++)
7150     {
7151       struct ElementChangeInfo *change = &ei->change_page[j];
7152
7153       if (change->target_element == element_from)
7154         change->target_element = element_to;
7155
7156       if (change->initial_trigger_element == element_from)
7157         change->initial_trigger_element = element_to;
7158
7159       if (change->action_element == element_from)
7160         change->action_element = element_to;
7161
7162       for (y = 0; y < 3; y++)
7163         for (x = 0; x < 3; x++)
7164           if (change->target_content.e[x][y] == element_from)
7165             change->target_content.e[x][y] = element_to;
7166     }
7167
7168     if (ei->group != NULL)                              /* group or internal */
7169       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7170         if (ei->group->element[j] == element_from)
7171           ei->group->element[j] = element_to;
7172   }
7173 }
7174
7175 static void replace_custom_element_in_playfield(int element_from,
7176                                                 int element_to)
7177 {
7178   int x, y;
7179
7180   for (x = 0; x < lev_fieldx; x++)
7181     for (y = 0; y < lev_fieldy; y++)
7182       if (Feld[x][y] == element_from)
7183         Feld[x][y] = element_to;
7184 }
7185
7186 static boolean CopyCustomElement(int element_old, int element_new,
7187                                  int copy_mode)
7188 {
7189   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7190   {
7191     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7192                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7193     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7194   }
7195   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7196   {
7197     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7198                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7199     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7200
7201     level.changed = TRUE;
7202   }
7203   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7204   {
7205     Request("Please choose custom element!", REQ_CONFIRM);
7206
7207     return FALSE;
7208   }
7209   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7210   {
7211     Request("Please choose group element!", REQ_CONFIRM);
7212
7213     return FALSE;
7214   }
7215   else
7216   {
7217     level.changed = TRUE;
7218   }
7219
7220   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7221   {
7222     copy_custom_element_settings(element_new, element_old);
7223   }
7224   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7225   {
7226     copy_custom_element_settings(element_old, element_new);
7227   }
7228   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7229   {
7230     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7231     copy_custom_element_settings(element_new, element_old);
7232     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7233
7234     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7235     replace_custom_element_in_settings(element_new, element_old);
7236     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7237
7238     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7239     replace_custom_element_in_playfield(element_new, element_old);
7240     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7241   }
7242
7243   UpdateCustomElementGraphicGadgets();
7244   DrawPropertiesWindow();
7245
7246   return TRUE;
7247 }
7248
7249 static void CopyCustomElementPropertiesToEditor(int element)
7250 {
7251   int i;
7252   int current_change_page = element_info[element].current_change_page;
7253
7254   /* dynamically (re)build selectbox for selecting change page */
7255   for (i = 0; i < element_info[element].num_change_pages; i++)
7256   {
7257     sprintf(options_change_page_strings[i], "%d", i + 1);
7258
7259     options_change_page[i].value = i;
7260     options_change_page[i].text = options_change_page_strings[i];
7261   }
7262
7263   options_change_page[i].value = -1;
7264   options_change_page[i].text = NULL;
7265
7266   /* needed here to initialize combined element properties */
7267   InitElementPropertiesEngine(level.game_version);
7268
7269   element_info[element].change =
7270     &element_info[element].change_page[current_change_page];
7271
7272   custom_element = element_info[element];
7273   custom_element_change = *element_info[element].change;
7274
7275   /* needed to initially set selectbox options for special action options */
7276   setSelectboxSpecialActionOptions();
7277
7278   /* needed to initially set selectbox value variables to reliable defaults */
7279   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7280     setSelectboxValue(i, *selectbox_info[i].value);
7281
7282   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7283     custom_element_properties[i] = HAS_PROPERTY(element, i);
7284
7285   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7286     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7287
7288   /* ---------- element settings: configure (custom elements) ------------- */
7289
7290   /* set accessible layer selectbox help value */
7291   custom_element.access_type =
7292     (IS_WALKABLE(element) ? EP_WALKABLE :
7293      IS_PASSABLE(element) ? EP_PASSABLE :
7294      custom_element.access_type);
7295   custom_element.access_layer =
7296     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7297      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7298      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7299      custom_element.access_layer);
7300   custom_element.access_protected =
7301     (IS_PROTECTED(element) ? 1 : 0);
7302   custom_element_properties[EP_ACCESSIBLE] =
7303     (IS_ACCESSIBLE_OVER(element) ||
7304      IS_ACCESSIBLE_INSIDE(element) ||
7305      IS_ACCESSIBLE_UNDER(element));
7306
7307   /* set walk-to-object action selectbox help value */
7308   custom_element.walk_to_action =
7309     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7310      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7311      IS_DROPPABLE(element) ? EP_DROPPABLE :
7312      IS_THROWABLE(element) ? EP_THROWABLE :
7313      IS_PUSHABLE(element) ? EP_PUSHABLE :
7314      custom_element.walk_to_action);
7315   custom_element_properties[EP_WALK_TO_OBJECT] =
7316     (IS_DIGGABLE(element) ||
7317      IS_COLLECTIBLE_ONLY(element) ||
7318      IS_DROPPABLE(element) ||
7319      IS_THROWABLE(element) ||
7320      IS_PUSHABLE(element));
7321
7322   /* set smash targets selectbox help value */
7323   custom_element.smash_targets =
7324     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7325      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7326      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7327      custom_element.smash_targets);
7328   custom_element_properties[EP_CAN_SMASH] =
7329     (CAN_SMASH_EVERYTHING(element) ||
7330      CAN_SMASH_ENEMIES(element) ||
7331      CAN_SMASH_PLAYER(element));
7332
7333   /* set deadliness selectbox help value */
7334   custom_element.deadliness =
7335     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7336      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7337      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7338      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7339      custom_element.deadliness);
7340   custom_element_properties[EP_DEADLY] =
7341     (DONT_TOUCH(element) ||
7342      DONT_GET_HIT_BY(element) ||
7343      DONT_COLLIDE_WITH(element) ||
7344      DONT_RUN_INTO(element));
7345
7346   /* ---------- element settings: advanced (custom elements) --------------- */
7347
7348   /* set "change by direct action" selectbox help value */
7349   custom_element_change.direct_action =
7350     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7351      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7352      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7353      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7354      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7355      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7356      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7357      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7358      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7359      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7360      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7361      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7362      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7363      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7364      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7365      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7366      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7367      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7368      custom_element_change.direct_action);
7369
7370   /* set "change by other element action" selectbox help value */
7371   custom_element_change.other_action =
7372     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7373      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7374      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7375      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7376      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7377      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7378      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7379      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7380      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7381      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7382      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7383      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7384      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7385      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7386      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7387      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7388      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7389      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7390      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7391      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7392      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7393      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7394      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7395      custom_element_change.other_action);
7396 }
7397
7398 static void CopyGroupElementPropertiesToEditor(int element)
7399 {
7400   group_element_info = *element_info[element].group;
7401   custom_element = element_info[element];       /* needed for description */
7402 }
7403
7404 static void CopyClassicElementPropertiesToEditor(int element)
7405 {
7406   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7407     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7408       getMoveIntoAcidProperty(&level, element);
7409
7410   if (MAYBE_DONT_COLLIDE_WITH(element))
7411     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7412       getDontCollideWithProperty(&level, element);
7413 }
7414
7415 static void CopyElementPropertiesToEditor(int element)
7416 {
7417   if (IS_CUSTOM_ELEMENT(element))
7418     CopyCustomElementPropertiesToEditor(element);
7419   else if (IS_GROUP_ELEMENT(element))
7420     CopyGroupElementPropertiesToEditor(element);
7421   else
7422     CopyClassicElementPropertiesToEditor(element);
7423 }
7424
7425 static void CopyCustomElementPropertiesToGame(int element)
7426 {
7427   int i;
7428   int access_type_and_layer;
7429
7430   /* mark that this custom element has been modified */
7431   custom_element.modified_settings = TRUE;
7432   level.changed = TRUE;
7433
7434   if (level.use_custom_template)
7435   {
7436     if (Request("Copy and modify level template?", REQ_ASK))
7437     {
7438       level.use_custom_template = FALSE;
7439       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7440                    GDI_CHECKED, FALSE, GDI_END);
7441     }
7442     else
7443     {
7444       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7445
7446       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7447     }
7448   }
7449
7450   element_info[element] = custom_element;
7451   *element_info[element].change = custom_element_change;
7452
7453   /* ---------- element settings: configure (custom elements) ------------- */
7454
7455   /* set accessible property from checkbox and selectbox */
7456   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7457   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7458   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7459   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7460   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7461   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7462   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7463                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7464                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7465   custom_element_properties[access_type_and_layer] =
7466     custom_element_properties[EP_ACCESSIBLE];
7467   custom_element_properties[EP_PROTECTED] =
7468     (custom_element.access_protected != 0 &&
7469      custom_element_properties[EP_ACCESSIBLE]);
7470
7471   /* set walk-to-object property from checkbox and selectbox */
7472   custom_element_properties[EP_DIGGABLE] = FALSE;
7473   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7474   custom_element_properties[EP_DROPPABLE] = FALSE;
7475   custom_element_properties[EP_THROWABLE] = FALSE;
7476   custom_element_properties[EP_PUSHABLE] = FALSE;
7477   custom_element_properties[custom_element.walk_to_action] =
7478     custom_element_properties[EP_WALK_TO_OBJECT];
7479
7480   /* set smash property from checkbox and selectbox */
7481   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7482   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7483   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7484   custom_element_properties[custom_element.smash_targets] =
7485     custom_element_properties[EP_CAN_SMASH];
7486
7487   /* set deadliness property from checkbox and selectbox */
7488   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7489   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7490   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7491   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7492   custom_element_properties[custom_element.deadliness] =
7493     custom_element_properties[EP_DEADLY];
7494
7495   /* ---------- element settings: advanced (custom elements) --------------- */
7496
7497   /* set player change event from checkbox and selectbox */
7498   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7499   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7500   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7501   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7502   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7503   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7504   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7505   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7506   custom_element_change_events[CE_SWITCHED] = FALSE;
7507   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7508   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7509   custom_element_change_events[CE_BLOCKED] = FALSE;
7510   custom_element_change_events[CE_IMPACT] = FALSE;
7511   custom_element_change_events[CE_SMASHED] = FALSE;
7512   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7513   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7514   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7515   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7516   custom_element_change_events[custom_element_change.direct_action] =
7517     custom_element_change_events[CE_BY_DIRECT_ACTION];
7518
7519   /* set other element action change event from checkbox and selectbox */
7520   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7521   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7522   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7523   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7524   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7525   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7526   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7527   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7528   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7529   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7530   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7531   custom_element_change_events[CE_HITTING_X] = FALSE;
7532   custom_element_change_events[CE_DIGGING_X] = FALSE;
7533   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7534   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7535   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7536   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7537   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7538   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7539   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7540   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7541   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7542   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7543   custom_element_change_events[custom_element_change.other_action] =
7544     custom_element_change_events[CE_BY_OTHER_ACTION];
7545
7546   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7547     SET_PROPERTY(element, i, custom_element_properties[i]);
7548
7549   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7550     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7551
7552   /* copy change events also to special level editor variable */
7553   custom_element = element_info[element];
7554   custom_element_change = *element_info[element].change;
7555 }
7556
7557 static void CopyGroupElementPropertiesToGame(int element)
7558 {
7559   element_info[element] = custom_element;
7560   *element_info[element].group = group_element_info;
7561
7562   /* mark that this group element has been modified */
7563   element_info[element].modified_settings = TRUE;
7564   level.changed = TRUE;
7565 }
7566
7567 static void CopyClassicElementPropertiesToGame(int element)
7568 {
7569   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7570     setMoveIntoAcidProperty(&level, element,
7571                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7572
7573   if (MAYBE_DONT_COLLIDE_WITH(element))
7574     setDontCollideWithProperty(&level, element,
7575                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7576 }
7577
7578 static void CopyElementPropertiesToGame(int element)
7579 {
7580   if (IS_CUSTOM_ELEMENT(element))
7581     CopyCustomElementPropertiesToGame(element);
7582   else if (IS_GROUP_ELEMENT(element))
7583     CopyGroupElementPropertiesToGame(element);
7584   else
7585     CopyClassicElementPropertiesToGame(element);
7586 }
7587
7588 void CheckElementDescriptions()
7589 {
7590   int i;
7591
7592   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7593     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7594       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7595 }
7596
7597 static int getMaxEdFieldX(boolean has_scrollbar)
7598 {
7599   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7600   int sxsize = SXSIZE - scrollbar_width;
7601   int max_ed_fieldx = sxsize / ed_tilesize;
7602
7603   return max_ed_fieldx;
7604 }
7605
7606 static int getMaxEdFieldY(boolean has_scrollbar)
7607 {
7608   int infotext_height = INFOTEXT_YSIZE_FULL;
7609   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7610   int sysize = SYSIZE - scrollbar_height - infotext_height;
7611   int max_ed_fieldy = sysize / ed_tilesize;
7612
7613   return max_ed_fieldy;
7614 }
7615
7616 void InitZoomLevelSettings()
7617 {
7618   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7619   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7620 }
7621
7622 void DrawLevelEd()
7623 {
7624   int fade_mask = REDRAW_FIELD;
7625
7626   /* needed if different viewport properties defined for editor */
7627   ChangeViewportPropertiesIfNeeded();
7628
7629   if (CheckIfGlobalBorderHasChanged())
7630     fade_mask = REDRAW_ALL;
7631
7632   FadeOut(fade_mask);
7633
7634   ClearField();
7635
7636   InitZoomLevelSettings();
7637
7638   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7639
7640 #if DEBUG
7641   CheckElementDescriptions();
7642 #endif
7643
7644   if (level_editor_test_game)
7645   {
7646     CopyPlayfield(level.field, Feld);
7647     CopyPlayfield(FieldBackup, level.field);
7648
7649     level_editor_test_game = FALSE;
7650   }
7651   else
7652   {
7653     edit_mode = ED_MODE_DRAWING;
7654     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7655     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7656
7657     ResetUndoBuffer();
7658
7659     level_xpos = -1;
7660     level_ypos = -1;
7661   }
7662
7663   /* needed for gadgets drawn on background (like palette scrollbar) */
7664   SetDoorBackgroundImage(IMG_UNDEFINED);
7665
7666   /* copy default editor door content to main double buffer */
7667   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7668              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7669              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7670              DXSIZE, DYSIZE, DX, DY);
7671
7672   /* draw bigger door */
7673   DrawSpecialEditorDoor();
7674
7675   /* draw new control window */
7676   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7677              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7678              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7679              EXSIZE, EYSIZE, EX, EY);
7680
7681   // redraw_mask |= REDRAW_ALL;
7682
7683   FreeLevelEditorGadgets();
7684   CreateLevelEditorGadgets();
7685
7686   ReinitializeElementList();            /* update dynamic level element list */
7687   ReinitializeElementListButtons();     /* custom element may look different */
7688
7689   InitElementPropertiesGfxElement();
7690
7691   UnmapAllGadgets();
7692   MapControlButtons();
7693
7694   DrawEditModeWindow();
7695
7696   DrawMaskedBorder(fade_mask);
7697
7698   FadeIn(fade_mask);
7699
7700   /* copy actual editor door content to door double buffer for OpenDoor() */
7701   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7702 }
7703
7704 static void AdjustDrawingAreaGadgets()
7705 {
7706   int ed_xsize = lev_fieldx + 2;
7707   int ed_ysize = lev_fieldy + 2;
7708   int max_ed_fieldx = MAX_ED_FIELDX;
7709   int max_ed_fieldy = MAX_ED_FIELDY;
7710   boolean horizontal_scrollbar_needed;
7711   boolean vertical_scrollbar_needed;
7712   int x, y, width, height;
7713
7714   /* check if we need any scrollbars */
7715   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7716   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7717
7718   /* check if we have a smaller editor field because of scrollbars */
7719   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7720   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7721
7722   /* check again if we now need more scrollbars because of less space */
7723   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7724   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7725
7726   /* check if editor field gets even smaller after adding new scrollbars */
7727   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7728   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7729
7730   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7731   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7732
7733   x = SX + ed_fieldx * ed_tilesize;
7734   y = SY + ed_fieldy * ed_tilesize;
7735
7736   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7737   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7738
7739   /* adjust drawing area gadget */
7740   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7741                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7742                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7743                GDI_END);
7744
7745   /* adjust horizontal scrollbar gadgets */
7746   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7747                GDI_Y, y,
7748                GDI_END);
7749   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7750                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7751                GDI_Y, y,
7752                GDI_END);
7753   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7754                GDI_Y, y,
7755                GDI_WIDTH, width,
7756                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7757                GDI_END);
7758
7759   /* adjust vertical scrollbar gadgets */
7760   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7761                GDI_X, x,
7762                GDI_END);
7763   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7764                GDI_X, x,
7765                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7766                GDI_END);
7767   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7768                GDI_X, x,
7769                GDI_HEIGHT, height,
7770                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7771                GDI_END);
7772 }
7773
7774 static void AdjustLevelScrollPosition()
7775 {
7776   if (level_xpos < -1)
7777     level_xpos = -1;
7778   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7779     level_xpos = lev_fieldx - ed_fieldx + 1;
7780   if (lev_fieldx < ed_fieldx - 2)
7781     level_xpos = -1;
7782
7783   if (level_ypos < -1)
7784     level_ypos = -1;
7785   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7786     level_ypos = lev_fieldy - ed_fieldy + 1;
7787   if (lev_fieldy < ed_fieldy - 2)
7788     level_ypos = -1;
7789 }
7790
7791 static void AdjustEditorScrollbar(int id)
7792 {
7793   struct GadgetInfo *gi = level_editor_gadget[id];
7794   int items_max, items_visible, item_position;
7795
7796   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7797   {
7798     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7799     items_visible = ed_fieldx;
7800     item_position = level_xpos + 1;
7801   }
7802   else
7803   {
7804     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7805     items_visible = ed_fieldy;
7806     item_position = level_ypos + 1;
7807   }
7808
7809   if (item_position > items_max - items_visible)
7810     item_position = items_max - items_visible;
7811
7812   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7813                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7814 }
7815
7816 static void AdjustElementListScrollbar()
7817 {
7818   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7819   int items_max, items_visible, item_position;
7820
7821   /* correct position of element list scrollbar */
7822   if (element_shift < 0)
7823     element_shift = 0;
7824   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7825     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7826
7827   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7828   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7829   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7830
7831   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7832                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7833                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7834 }
7835
7836 static void ModifyEditorCounterValue(int counter_id, int new_value)
7837 {
7838   int *counter_value = counterbutton_info[counter_id].value;
7839   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7840   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7841
7842   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7843
7844   if (counter_value != NULL)
7845     *counter_value = gi->textinput.number_value;
7846 }
7847
7848 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7849 {
7850   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7851   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7852
7853   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7854
7855   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7856       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7857   {
7858     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7859     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7860
7861     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7862     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
7863                  GDI_END);
7864   }
7865 }
7866
7867 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7868 {
7869   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7870   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7871   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7872
7873   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7874 }
7875
7876 static void ModifyEditorSelectboxOptions(int selectbox_id,
7877                                          struct ValueTextInfo *options)
7878 {
7879   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7880   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7881
7882   selectbox_info[selectbox_id].options = options;
7883
7884   /* set index to zero -- list may be shorter now (correct later, if needed) */
7885   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7886                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7887 }
7888
7889 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7890 {
7891   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7892   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7893
7894   drawingarea_info[drawingarea_id].area_xsize = xsize;
7895   drawingarea_info[drawingarea_id].area_ysize = ysize;
7896
7897   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7898 }
7899
7900 static void ModifyEditorElementList()
7901 {
7902   int i;
7903
7904   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7905   {
7906     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7907     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7908     struct GadgetDesign *gd = &gi->deco.design;
7909     int element = editor_elements[element_shift + i];
7910
7911     UnmapGadget(gi);
7912
7913     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7914
7915     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7916
7917     MapGadget(gi);
7918   }
7919 }
7920
7921 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7922 {
7923   int graphic = el2edimg(element);
7924   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7925
7926   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7927 }
7928
7929 static void PickDrawingElement(int button, int element)
7930 {
7931   struct
7932   {
7933     int *new_element;
7934     struct EditorPaletteElementInfo *e;
7935   } de, drawing_elements[] =
7936   {
7937     { &new_element1,    &editor.palette.element_left    },
7938     { &new_element2,    &editor.palette.element_middle  },
7939     { &new_element3,    &editor.palette.element_right   },
7940   };
7941
7942   if (button < 1 || button > 3)
7943     return;
7944
7945   de = drawing_elements[button - 1];
7946
7947   DrawDrawingElement((*de.new_element = element), de.e);
7948
7949   redraw_mask |= REDRAW_DOOR_1;
7950 }
7951
7952 static void RedrawDrawingElements()
7953 {
7954   PickDrawingElement(1, new_element1);
7955   PickDrawingElement(2, new_element2);
7956   PickDrawingElement(3, new_element3);
7957 }
7958
7959 static void DrawDrawingWindow()
7960 {
7961   stick_element_properties_window = FALSE;
7962
7963   SetMainBackgroundImage(IMG_UNDEFINED);
7964   ClearField();
7965
7966   UnmapLevelEditorFieldGadgets();
7967   UnmapLevelEditorToolboxCustomGadgets();
7968
7969   AdjustDrawingAreaGadgets();
7970   AdjustLevelScrollPosition();
7971   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7972   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7973
7974   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7975
7976   MapMainDrawingArea();
7977   MapLevelEditorToolboxDrawingGadgets();
7978 }
7979
7980 static int getTabulatorBarWidth()
7981 {
7982   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7983   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7984
7985   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7986 }
7987
7988 static int getTabulatorBarHeight()
7989 {
7990   return ED_TAB_BAR_HEIGHT;
7991 }
7992
7993 static void DrawLevelInfoTabulatorGadgets()
7994 {
7995   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7996   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7997   int gd_x = gd->x + gd_gi1->border.width / 2;
7998   int gd_y = gd->y + gd_gi1->height - 1;
7999   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8000   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
8001   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
8002   int i;
8003
8004   for (i = id_first; i <= id_last; i++)
8005   {
8006     int gadget_id = textbutton_info[i].gadget_id;
8007     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8008     boolean active = (i != edit_mode_levelinfo);
8009
8010     /* draw background line below tabulator button */
8011     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8012
8013     /* draw solid line below inactive tabulator buttons */
8014     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8015       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8016                     ED_GADGET_TINY_DISTANCE, tab_color);
8017
8018     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8019     MapTextbuttonGadget(i);
8020   }
8021
8022   /* draw little border line below tabulator buttons */
8023   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8024     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8025                   ED_GADGET_TINY_DISTANCE,
8026                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8027 }
8028
8029 static void DrawPropertiesTabulatorGadgets()
8030 {
8031   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8032   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8033   int gd_x = gd->x + gd_gi1->border.width / 2;
8034   int gd_y = gd->y + gd_gi1->height - 1;
8035   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8036   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8037   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8038   int i;
8039
8040   /* draw two config tabulators for player elements */
8041   if (ELEM_IS_PLAYER(properties_element))
8042     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8043
8044   /* draw two config and one "change" tabulator for custom elements */
8045   if (IS_CUSTOM_ELEMENT(properties_element))
8046     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8047
8048   for (i = id_first; i <= id_last; i++)
8049   {
8050     int gadget_id = textbutton_info[i].gadget_id;
8051     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8052     boolean active = (i != edit_mode_properties);
8053
8054     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8055     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8056         (ELEM_IS_PLAYER(properties_element) ||
8057          IS_CUSTOM_ELEMENT(properties_element)))
8058       continue;
8059
8060     /* draw background line below tabulator button */
8061     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8062
8063     /* draw solid line below inactive tabulator buttons */
8064     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8065       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8066                     ED_GADGET_TINY_DISTANCE, tab_color);
8067
8068     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8069     MapTextbuttonGadget(i);
8070   }
8071
8072   /* draw little border line below tabulator buttons */
8073   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8074     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8075                   ED_GADGET_TINY_DISTANCE,
8076                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8077 }
8078
8079 static void DrawLevelInfoLevel()
8080 {
8081   int i;
8082
8083   /* draw counter gadgets */
8084   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8085     MapCounterButtons(i);
8086
8087   /* draw selectbox gadgets */
8088   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8089     MapSelectboxGadget(i);
8090
8091   /* draw text input gadgets */
8092   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8093     MapTextInputGadget(i);
8094 }
8095
8096 static void DrawLevelInfoEditor()
8097 {
8098   int i;
8099
8100   /* draw counter gadgets */
8101   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8102     MapCounterButtons(i);
8103
8104   /* draw checkbutton gadgets */
8105   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8106     MapCheckbuttonGadget(i);
8107
8108   /* draw radiobutton gadgets */
8109   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8110     MapRadiobuttonGadget(i);
8111
8112   /* draw drawing area */
8113   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8114 }
8115
8116 static void DrawLevelInfoWindow()
8117 {
8118   char *text = "Global Settings";
8119   int font_nr = FONT_TITLE_1;
8120   struct MenuPosInfo *pos = &editor.settings.headline;
8121   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8122   int sy = SY + pos->y;
8123
8124   stick_element_properties_window = FALSE;
8125
8126   UnmapLevelEditorFieldGadgets();
8127
8128   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8129   ClearField();
8130
8131   DrawText(sx, sy, text, font_nr);
8132
8133   DrawLevelInfoTabulatorGadgets();
8134
8135   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8136     DrawLevelInfoLevel();
8137   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8138     DrawLevelInfoEditor();
8139 }
8140
8141 static void DrawCustomContentArea()
8142 {
8143   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8144   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8145   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8146   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8147   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8148   int xoffset = ED_GADGET_SPACE_DISTANCE;
8149
8150   /* add distance for potential left text (without drawing area border) */
8151   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8152
8153   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8154
8155   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8156 }
8157
8158 static void DrawCustomChangeContentArea()
8159 {
8160   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8161   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8162   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8163   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8164   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8165   int xoffset = ED_GADGET_SPACE_DISTANCE;
8166
8167   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8168
8169   MapDrawingArea(id);
8170 }
8171
8172 static void RemoveElementContentArea(int id, int font_height)
8173 {
8174   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8175
8176   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8177                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8178                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8179                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8180                  ED_GADGET_TEXT_DISTANCE + font_height);
8181 }
8182
8183 static void DrawYamYamContentAreas()
8184 {
8185   int font_nr = FONT_TEXT_1;
8186   int font_height = getFontHeight(font_nr);
8187   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8188   int yoffset = (tilesize - font_height) / 2;
8189   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8190   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8191   int i;
8192
8193   /* display counter to choose number of element content areas */
8194   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8195
8196   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8197   {
8198     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8199
8200     if (i < level.num_yamyam_contents)
8201     {
8202       MapDrawingArea(id);
8203     }
8204     else
8205     {
8206       UnmapDrawingArea(id);
8207
8208       /* delete content areas in case of reducing number of them */
8209       RemoveElementContentArea(id, font_height);
8210     }
8211   }
8212
8213   DrawText(x, y + 0 * tilesize, "content", font_nr);
8214   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8215   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8216 }
8217
8218 static void DrawMagicBallContentAreas()
8219 {
8220   int font_nr = FONT_TEXT_1;
8221   int font_height = getFontHeight(font_nr);
8222   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8223   int yoffset = (tilesize - font_height) / 2;
8224   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8225   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8226   int i;
8227
8228   /* display counter to choose number of element content areas */
8229   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8230
8231   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8232   {
8233     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8234
8235     if (i < level.num_ball_contents)
8236     {
8237       MapDrawingArea(id);
8238     }
8239     else
8240     {
8241       UnmapDrawingArea(id);
8242
8243       /* delete content areas in case of reducing number of them */
8244       RemoveElementContentArea(id, font_height);
8245     }
8246   }
8247
8248   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8249   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8250   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8251 }
8252
8253 static void DrawAndroidElementArea(int element)
8254 {
8255   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8256   int num_elements = level.num_android_clone_elements;
8257   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8258   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8259   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8260   int xsize = MAX_ANDROID_ELEMENTS;
8261   int ysize = 1;
8262
8263   /* display counter to choose number of element areas */
8264   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8265
8266   if (drawingarea_info[id].text_left != NULL)
8267     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8268
8269   UnmapDrawingArea(id);
8270
8271   ModifyEditorDrawingArea(id, num_elements, 1);
8272
8273   /* delete content areas in case of reducing number of them */
8274   DrawBackground(sx, sy,
8275                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8276                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8277
8278   MapDrawingArea(id);
8279 }
8280
8281 static void DrawGroupElementArea(int element)
8282 {
8283   int id = ED_DRAWING_ID_GROUP_CONTENT;
8284   int num_elements = group_element_info.num_elements;
8285   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8286   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8287   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8288   int xsize = MAX_ELEMENTS_IN_GROUP;
8289   int ysize = 1;
8290
8291   if (drawingarea_info[id].text_left != NULL)
8292     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8293
8294   UnmapDrawingArea(id);
8295
8296   ModifyEditorDrawingArea(id, num_elements, 1);
8297
8298   /* delete content areas in case of reducing number of them */
8299   DrawBackground(sx, sy,
8300                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8301                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8302
8303   MapDrawingArea(id);
8304 }
8305
8306 static void DrawPlayerInitialInventoryArea(int element)
8307 {
8308   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8309   int player_nr = GET_PLAYER_NR(element);
8310   int num_elements = level.initial_inventory_size[player_nr];
8311   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8312   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8313   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8314   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8315   int ysize = 1;
8316
8317   /* determine horizontal position to the right of specified gadget */
8318   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8319     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8320           ED_DRAWINGAREA_TEXT_DISTANCE);
8321
8322   /* determine horizontal offset for leading text */
8323   if (drawingarea_info[id].text_left != NULL)
8324     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8325
8326   UnmapDrawingArea(id);
8327
8328   ModifyEditorDrawingArea(id, num_elements, 1);
8329
8330   /* delete content areas in case of reducing number of them */
8331   DrawBackground(sx, sy,
8332                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8333                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8334
8335   MapDrawingArea(id);
8336 }
8337
8338 static void DrawEnvelopeTextArea(int envelope_nr)
8339 {
8340   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8341   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8342
8343   UnmapGadget(gi);
8344   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8345
8346   if (envelope_nr != -1)
8347     textarea_info[id].value = level.envelope[envelope_nr].text;
8348
8349   ModifyGadget(gi, GDI_AREA_SIZE,
8350                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8351                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8352                GDI_END);
8353
8354   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8355 }
8356
8357 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8358 {
8359   int font_height = getFontHeight(font_nr);
8360   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8361   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8362   int sx = SX + pad_x;
8363   int sy = SY + pad_y;
8364   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8365
8366   if (start_line >= max_lines_per_screen)
8367     return FALSE;
8368
8369   DrawText(sx, sy + start_line * font_height, text, font_nr);
8370
8371   return TRUE;
8372 }
8373
8374 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8375 {
8376   int font_nr = FONT_TEXT_2;
8377   int font_width = getFontWidth(font_nr);
8378   int font_height = getFontHeight(font_nr);
8379   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8380   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8381   int sx = SX + pad_x;
8382   int sy = SY + pad_y + start_line * font_height;
8383   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8384   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8385   int max_lines_drawable = max_lines_per_screen - start_line;
8386
8387   if (start_line >= max_lines_per_screen)
8388     return FALSE;
8389
8390   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8391                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8392 }
8393
8394 static void DrawPropertiesInfo()
8395 {
8396   static struct
8397   {
8398     int value;
8399     char *text;
8400   }
8401   properties[] =
8402   {
8403     /* configurable properties */
8404
8405     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8406     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8407     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8408     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8409     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8410     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8411     { EP_PROTECTED,             "- player is protected by it"           },
8412
8413     { EP_DIGGABLE,              "- can be digged away"                  },
8414     { EP_COLLECTIBLE,           "- can be collected"                    },
8415     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8416     { EP_THROWABLE,             "- can be thrown after collecting"      },
8417     { EP_PUSHABLE,              "- can be pushed"                       },
8418
8419     { EP_CAN_FALL,              "- can fall"                            },
8420     { EP_CAN_MOVE,              "- can move"                            },
8421
8422     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8423 #if 0
8424     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8425 #endif
8426     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8427
8428     { EP_SLIPPERY,              "- slippery for falling elements"       },
8429     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8430
8431     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8432     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8433     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8434     { EP_DONT_TOUCH,            "- deadly when touching"                },
8435
8436     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8437
8438     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8439     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8440     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8441
8442     { EP_CAN_CHANGE,            "- can change to other element"         },
8443
8444     /* pre-defined properties */
8445     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8446     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8447     { EP_SWITCHABLE,            "- can be switched"                     },
8448 #if 0
8449     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8450 #endif
8451
8452     { -1,                       NULL                                    }
8453   };
8454   char *filename = getElementDescriptionFilename(properties_element);
8455   char *percentage_text = "In this level: ";
8456   char *properties_text = "Standard properties: ";
8457   float percentage;
8458   int num_elements_in_level;
8459   int num_standard_properties = 0;
8460   int font1_nr = FONT_TEXT_1;
8461   int font2_nr = FONT_TEXT_2;
8462   int font1_width = getFontWidth(font1_nr);
8463   int font2_height = getFontHeight(font2_nr);
8464   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8465   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8466   int screen_line = 0;
8467   int i, x, y;
8468
8469   if (setup.editor.show_element_token)
8470   {
8471     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8472               "[%s]", element_info[properties_element].token_name);
8473     screen_line++;
8474   }
8475
8476   /* ----- print number of elements / percentage of this element in level */
8477
8478   num_elements_in_level = 0;
8479   for (y = 0; y < lev_fieldy; y++)
8480     for (x = 0; x < lev_fieldx; x++)
8481       if (Feld[x][y] == properties_element)
8482         num_elements_in_level++;
8483   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8484
8485   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8486             percentage_text);
8487   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8488             pad_y + screen_line++ * font2_height, font2_nr,
8489             "%d (%.2f%%)", num_elements_in_level, percentage);
8490
8491   screen_line++;
8492
8493   /* ----- print standard properties of this element */
8494
8495   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8496             properties_text);
8497
8498   for (i = 0; properties[i].value != -1; i++)
8499   {
8500     if (!HAS_PROPERTY(properties_element, properties[i].value))
8501       continue;
8502
8503     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8504               properties[i].text);
8505     num_standard_properties++;
8506   }
8507
8508   if (num_standard_properties == 0)
8509     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8510               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8511
8512   screen_line++;
8513
8514   /* ----- print special description of this element */
8515
8516   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8517   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8518     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8519 }
8520
8521 #define TEXT_COLLECTING         "Score for collecting"
8522 #define TEXT_SMASHING           "Score for smashing"
8523 #define TEXT_SLURPING           "Score for slurping robot"
8524 #define TEXT_CRACKING           "Score for cracking"
8525 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8526 #define TEXT_DURATION           "Duration when activated"
8527 #define TEXT_BALL_DELAY         "Element generation delay"
8528 #define TEXT_MOVE_SPEED         "Speed of android moving"
8529 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8530 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8531 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8532 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8533 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8534 #define TEXT_TIME_BONUS         "Extra time to solve level"
8535
8536 static struct
8537 {
8538   int element;
8539   int *value;
8540   char *text;
8541 } elements_with_counter[] =
8542 {
8543   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8544   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8545   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8546   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8547   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8548   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8549   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8550   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8551   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8552   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8553   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8554   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8555   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8556   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8557   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8558   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8559   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8560   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8561   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8562   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8563   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8564   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8565   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8566   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8567   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8568   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8569   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8570   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8571   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8572   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8573   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8574   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8575   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8576   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8577   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8578   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8579   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8580   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8581   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8582   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8583   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8584   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8585   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8586   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8587   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8588   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8589   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8590   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8591   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8592   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8593   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8594   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8595   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8596   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8597   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8598   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8599   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8600   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8601   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8602   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8603   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8604   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8605   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8606   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8607   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8608   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8609   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8610   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8611   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8612   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8613   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8614   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8615   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8616   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8617
8618   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8619   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8620   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8621   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8622   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8623   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8624   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8625   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8626   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8627   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8628   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8629   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8630   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8631   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8632   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8633   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8634
8635   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8636   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8637   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8638   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8639   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8640   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8641   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8642   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8643
8644   { -1,                 NULL,                           NULL            }
8645 };
8646
8647 static boolean checkPropertiesConfig(int element)
8648 {
8649   int i;
8650
8651   if (IS_GEM(element) ||
8652       IS_CUSTOM_ELEMENT(element) ||
8653       IS_GROUP_ELEMENT(element) ||
8654       IS_ENVELOPE(element) ||
8655       ELEM_IS_PLAYER(element) ||
8656       HAS_EDITOR_CONTENT(element) ||
8657       CAN_GROW(element) ||
8658       COULD_MOVE_INTO_ACID(element) ||
8659       MAYBE_DONT_COLLIDE_WITH(element) ||
8660       element == EL_SOKOBAN_OBJECT ||
8661       element == EL_SOKOBAN_FIELD_EMPTY ||
8662       element == EL_SOKOBAN_FIELD_FULL)
8663     return TRUE;
8664   else
8665     for (i = 0; elements_with_counter[i].element != -1; i++)
8666       if (elements_with_counter[i].element == element)
8667         return TRUE;
8668
8669   return FALSE;
8670 }
8671
8672 static void DrawPropertiesConfig()
8673 {
8674   boolean draw_footer_line = FALSE;
8675   int max_num_element_counters = 4;
8676   int num_element_counters = 0;
8677   int i;
8678
8679   if (!checkPropertiesConfig(properties_element))
8680   {
8681     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8682
8683     return;
8684   }
8685
8686   /* check if there are elements where a value can be chosen for */
8687   for (i = 0; elements_with_counter[i].element != -1; i++)
8688   {
8689     if (elements_with_counter[i].element == properties_element)
8690     {
8691       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8692
8693       counterbutton_info[counter_id].y =
8694         ED_ELEMENT_SETTINGS_YPOS(
8695                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8696                 (CAN_GROW(properties_element)                ? 1 : 0) +
8697                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8698                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8699                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8700                 num_element_counters);
8701
8702       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8703       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8704
8705       if (properties_element == EL_GAME_OF_LIFE ||
8706           properties_element == EL_BIOMAZE)
8707       {
8708         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8709         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8710       }
8711       else
8712       {
8713         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8714         counterbutton_info[counter_id].min_value = MIN_SCORE;
8715         counterbutton_info[counter_id].max_value = MAX_SCORE;
8716       }
8717
8718       MapCounterButtons(counter_id);
8719
8720       num_element_counters++;
8721       if (num_element_counters >= max_num_element_counters)
8722         break;
8723     }
8724   }
8725
8726   if (HAS_EDITOR_CONTENT(properties_element))
8727   {
8728     /* draw stickybutton gadget */
8729     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8730
8731     if (IS_AMOEBOID(properties_element))
8732       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8733     else if (properties_element == EL_YAMYAM ||
8734              properties_element == EL_YAMYAM_LEFT ||
8735              properties_element == EL_YAMYAM_RIGHT ||
8736              properties_element == EL_YAMYAM_UP ||
8737              properties_element == EL_YAMYAM_DOWN)
8738       DrawYamYamContentAreas();
8739     else if (properties_element == EL_EMC_MAGIC_BALL)
8740     {
8741       DrawMagicBallContentAreas();
8742
8743       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8744       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8745     }
8746     else if (properties_element == EL_EMC_ANDROID)
8747       DrawAndroidElementArea(properties_element);
8748   }
8749
8750   if (ELEM_IS_PLAYER(properties_element))
8751   {
8752     int player_nr = GET_PLAYER_NR(properties_element);
8753
8754     /* these properties can be set for every player individually */
8755
8756     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8757     {
8758       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8759         &level.start_element[player_nr];
8760       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8761         &level.artwork_element[player_nr];
8762       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8763         &level.explosion_element[player_nr];
8764
8765       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8766         &level.use_start_element[player_nr];
8767       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8768         &level.use_artwork_element[player_nr];
8769       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8770         &level.use_explosion_element[player_nr];
8771       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8772         &level.initial_player_gravity[player_nr];
8773
8774       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8775         &level.initial_player_stepsize[player_nr];
8776
8777       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8778       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8779                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8780                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8781       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8782       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8783       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8784       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8785       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
8786       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8787       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8788       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8789       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8790       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8791
8792       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8793       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8794       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8795
8796       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8797     }
8798     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8799     {
8800       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8801         &level.initial_inventory_content[player_nr][0];
8802
8803       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8804         &level.initial_inventory_size[player_nr];
8805
8806       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8807         &level.use_initial_inventory[player_nr];
8808
8809       /* draw checkbutton gadgets */
8810       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8811
8812       /* draw counter gadgets */
8813       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8814
8815       /* draw drawing area gadgets */
8816       DrawPlayerInitialInventoryArea(properties_element);
8817     }
8818   }
8819
8820   if (IS_GEM(properties_element))
8821     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8822
8823   if (properties_element == EL_EM_DYNAMITE)
8824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8825
8826   if (COULD_MOVE_INTO_ACID(properties_element) &&
8827       !ELEM_IS_PLAYER(properties_element) &&
8828       (!IS_CUSTOM_ELEMENT(properties_element) ||
8829        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8830   {
8831     /* set position for checkbutton for "can move into acid" */
8832     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8833       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8834     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8835       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8836                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8837
8838     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8839   }
8840
8841   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8842     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8843
8844   if (properties_element == EL_SPRING)
8845     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8846
8847   if (properties_element == EL_TIME_ORB_FULL)
8848     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8849
8850   if (CAN_GROW(properties_element))
8851   {
8852     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8853       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8854
8855     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8856   }
8857
8858   if (properties_element == EL_SOKOBAN_OBJECT ||
8859       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8860       properties_element == EL_SOKOBAN_FIELD_FULL)
8861     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8862
8863   if (IS_ENVELOPE(properties_element))
8864   {
8865     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8866     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8867     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8868     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8869     int envelope_nr = properties_element - EL_ENVELOPE_1;
8870
8871     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8872     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8873
8874     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8875     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8876
8877     /* display counter to choose size of envelope text area */
8878     MapCounterButtons(counter1_id);
8879     MapCounterButtons(counter2_id);
8880
8881     /* display checkbuttons to choose auto-wrap and alignment properties */
8882     MapCheckbuttonGadget(button1_id);
8883     MapCheckbuttonGadget(button2_id);
8884
8885     DrawEnvelopeTextArea(envelope_nr);
8886   }
8887
8888   if (IS_CUSTOM_ELEMENT(properties_element))
8889   {
8890     /* draw stickybutton gadget */
8891     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8892
8893     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8894     {
8895       /* draw checkbutton gadgets */
8896       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8897            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8898         MapCheckbuttonGadget(i);
8899
8900       /* draw counter gadgets */
8901       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8902            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8903         MapCounterButtons(i);
8904
8905       /* draw selectbox gadgets */
8906       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8907            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8908         MapSelectboxGadget(i);
8909
8910       /* draw textbutton gadgets */
8911       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8912
8913       /* draw text input gadgets */
8914       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8915
8916       /* draw drawing area gadgets */
8917       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8918
8919       draw_footer_line = TRUE;
8920     }
8921     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8922     {
8923       /* draw checkbutton gadgets */
8924       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8925            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8926         MapCheckbuttonGadget(i);
8927
8928       /* draw counter gadgets */
8929       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8930            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8931         MapCounterButtons(i);
8932
8933       /* draw selectbox gadgets */
8934       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8935            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8936         MapSelectboxGadget(i);
8937
8938       /* draw drawing area gadgets */
8939       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8940       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8941       DrawCustomContentArea();
8942     }
8943   }
8944   else if (IS_GROUP_ELEMENT(properties_element))
8945   {
8946     /* draw stickybutton gadget */
8947     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8948
8949     /* draw checkbutton gadgets */
8950     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8951     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8952
8953     /* draw counter gadgets */
8954     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8955
8956     /* draw selectbox gadgets */
8957     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8958
8959     /* draw textbutton gadgets */
8960     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8961
8962     /* draw drawing area gadgets */
8963     DrawGroupElementArea(properties_element);
8964
8965     /* draw text input gadgets */
8966     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8967
8968     /* draw drawing area gadgets */
8969     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8970
8971     draw_footer_line = TRUE;
8972   }
8973
8974   /* draw little footer border line above CE/GE use/save template gadgets */
8975   if (draw_footer_line)
8976   {
8977     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8978     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8979     int gd_x = gd->x + gd_gi1->border.width / 2;
8980     int gd_y = gd->y + gd_gi1->height - 1;
8981     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8982
8983     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8984       FillRectangle(drawto,
8985                     SX + ED_ELEMENT_SETTINGS_X(0),
8986                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
8987                     ED_TAB_BAR_HEIGHT,
8988                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8989   }
8990 }
8991
8992 static void DrawPropertiesChangeDrawingAreas()
8993 {
8994   if (IS_CUSTOM_ELEMENT(properties_element))
8995   {
8996     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8997     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8998     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8999
9000     DrawCustomChangeContentArea();
9001   }
9002
9003   redraw_mask |= REDRAW_FIELD;
9004 }
9005
9006 static void DrawPropertiesChange()
9007 {
9008   int i;
9009
9010   /* needed to initially set selectbox options for special action options */
9011   setSelectboxSpecialActionOptions();
9012
9013   /* draw stickybutton gadget */
9014   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9015
9016   /* draw checkbutton gadgets */
9017   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9018        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9019     MapCheckbuttonGadget(i);
9020
9021   /* draw counter gadgets */
9022   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9023        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9024     MapCounterButtons(i);
9025
9026   /* draw selectbox gadgets */
9027   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9028        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9029     MapSelectboxGadget(i);
9030
9031   /* draw textbutton gadgets */
9032   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9033        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9034     MapTextbuttonGadget(i);
9035
9036   /* draw graphicbutton gadgets */
9037   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9038        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9039     MapGraphicbuttonGadget(i);
9040
9041   /* draw drawing area gadgets */
9042   DrawPropertiesChangeDrawingAreas();
9043 }
9044
9045 static void DrawEditorElementAnimation(int x, int y)
9046 {
9047   int graphic = el2img(properties_element);
9048   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9049                custom_element.ce_value_fixed_initial :
9050                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9051                custom_element.collect_score_initial : FrameCounter);
9052
9053   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9054 }
9055
9056 static void DrawEditorElementName(int x, int y, int font_nr)
9057 {
9058   char *element_name = getElementInfoText(properties_element);
9059   int font_width = getFontWidth(font_nr);
9060   int font_height = getFontHeight(font_nr);
9061   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9062   int max_chars_per_line = max_text_width / font_width;
9063   char buffer[max_chars_per_line + 1];
9064
9065   if (strlen(element_name) <= max_chars_per_line)
9066     DrawTextS(x, y, font_nr, element_name);
9067   else
9068   {
9069     int next_pos = max_chars_per_line;
9070
9071     strncpy(buffer, element_name, max_chars_per_line);
9072     buffer[max_chars_per_line] = '\0';
9073
9074     if (element_name[max_chars_per_line] == ' ')
9075       next_pos++;
9076     else
9077     {
9078       int i;
9079
9080       for (i = max_chars_per_line - 1; i >= 0; i--)
9081         if (buffer[i] == ' ')
9082           break;
9083
9084       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9085       {
9086         buffer[i] = '\0';
9087         next_pos = i + 1;
9088       }
9089     }
9090
9091     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9092
9093     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9094     buffer[max_chars_per_line] = '\0';
9095
9096     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9097   }
9098 }
9099
9100 static void DrawPropertiesWindow()
9101 {
9102   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9103   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9104   int border_size = gd->border_size;
9105   int font_nr = FONT_TEXT_1;
9106   int font_height = getFontHeight(font_nr);
9107   int xoffset = TILEX + element_border + 3 * border_size;
9108   int yoffset = (TILEY - font_height) / 2;
9109   int x1 = editor.settings.element_graphic.x + element_border;
9110   int y1 = editor.settings.element_graphic.y + element_border;
9111   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9112             editor.settings.element_name.x);
9113   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9114             editor.settings.element_name.y);
9115   char *text = "Element Settings";
9116   int font2_nr = FONT_TITLE_1;
9117   struct MenuPosInfo *pos = &editor.settings.headline;
9118   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9119   int sy = SY + pos->y;
9120
9121   stick_element_properties_window = FALSE;
9122
9123   /* make sure that previous properties edit mode exists for this element */
9124   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9125       !IS_CUSTOM_ELEMENT(properties_element))
9126     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9127
9128   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9129       !ELEM_IS_PLAYER(properties_element) &&
9130       !IS_CUSTOM_ELEMENT(properties_element))
9131     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9132
9133   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9134       (ELEM_IS_PLAYER(properties_element) ||
9135        IS_CUSTOM_ELEMENT(properties_element)))
9136     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9137
9138   CopyElementPropertiesToEditor(properties_element);
9139
9140   UnmapLevelEditorFieldGadgets();
9141   UnmapLevelEditorToolboxDrawingGadgets();
9142   UnmapLevelEditorToolboxCustomGadgets();
9143
9144   if (IS_CUSTOM_ELEMENT(properties_element) ||
9145       IS_GROUP_ELEMENT(properties_element))
9146     MapLevelEditorToolboxCustomGadgets();
9147
9148   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9149   ClearField();
9150
9151   DrawText(sx, sy, text, font2_nr);
9152
9153   FrameCounter = 0;     /* restart animation frame counter */
9154
9155   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9156   DrawEditorElementAnimation(SX + x1, SY + y1);
9157   DrawEditorElementName(x2, y2, font_nr);
9158
9159   DrawPropertiesTabulatorGadgets();
9160
9161   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9162     DrawPropertiesInfo();
9163   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9164     DrawPropertiesChange();
9165   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9166     DrawPropertiesConfig();
9167 }
9168
9169 static void UpdateCustomElementGraphicGadgets()
9170 {
9171   struct ElementInfo *ei = &element_info[properties_element];
9172   int i;
9173
9174   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
9175                      properties_element);
9176
9177   ModifyEditorElementList();
9178   RedrawDrawingElements();
9179
9180   /* force redraw of all mapped drawing area gadgets */
9181   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9182   {
9183     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9184
9185     if (gi->mapped)
9186       MapDrawingArea(i);
9187   }
9188 }
9189
9190 static int getOpenDirectionFromTube(int element)
9191 {
9192   switch (element)
9193   {
9194     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9195     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9196     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9197     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9198     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9199     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9200     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9201     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9202     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9203     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9204     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9205   }
9206
9207   return MV_NONE;
9208 }
9209
9210 static int getTubeFromOpenDirection(int direction)
9211 {
9212   switch (direction)
9213   {
9214     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9215     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9216     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9217     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9218     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9219     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9220     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9221     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9222     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9223     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9224     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9225
9226     /* if only one direction, fall back to simple tube with that direction */
9227     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9228     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9229     case (MV_UP):                       return EL_TUBE_VERTICAL;
9230     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9231   }
9232
9233   return EL_EMPTY;
9234 }
9235
9236 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9237 {
9238   int element_new = getTubeFromOpenDirection(direction);
9239
9240   return (element_new != EL_EMPTY ? element_new : element_old);
9241 }
9242
9243 static int getOpenDirectionFromBelt(int element)
9244 {
9245   int belt_dir = getBeltDirFromBeltElement(element);
9246
9247   return (belt_dir == MV_LEFT ? MV_RIGHT :
9248           belt_dir == MV_RIGHT ? MV_LEFT :
9249           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9250 }
9251
9252 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9253 {
9254   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9255                   direction == MV_RIGHT ? MV_LEFT :
9256                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9257
9258   if (direction == MV_NONE)
9259     return EL_EMPTY;
9260
9261   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9262 }
9263
9264 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9265                                                  int element_old)
9266 {
9267   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9268
9269   return (element_new != EL_EMPTY ? element_new : element_old);
9270 }
9271
9272 static int getOpenDirectionFromPool(int element)
9273 {
9274   switch (element)
9275   {
9276     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9277     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9278     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9279     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9280     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9281     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9282   }
9283
9284   return MV_NONE;
9285 }
9286
9287 static int getPoolFromOpenDirection(int direction)
9288 {
9289   switch (direction)
9290   {
9291     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9292     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9293     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9294     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9295     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9296     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9297   }
9298
9299   return EL_EMPTY;
9300 }
9301
9302 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9303 {
9304   int element = getPoolFromOpenDirection(direction);
9305   int help_direction = getOpenDirectionFromPool(help_element);
9306
9307   if (element == EL_EMPTY)
9308   {
9309     int help_direction_vertical = help_direction & MV_VERTICAL;
9310
9311     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9312   }
9313
9314   if (element == EL_EMPTY)
9315   {
9316     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9317
9318     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9319   }
9320
9321   return element;
9322 }
9323
9324 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9325 {
9326   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9327
9328   return (element_new != EL_EMPTY ? element_new : element_old);
9329 }
9330
9331 static int getOpenDirectionFromPillar(int element)
9332 {
9333   switch (element)
9334   {
9335     case EL_EMC_WALL_1:                 return (MV_DOWN);
9336     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9337     case EL_EMC_WALL_3:                 return (MV_UP);
9338   }
9339
9340   return MV_NONE;
9341 }
9342
9343 static int getPillarFromOpenDirection(int direction)
9344 {
9345   switch (direction)
9346   {
9347     case (MV_DOWN):                     return EL_EMC_WALL_1;
9348     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9349     case (MV_UP):                       return EL_EMC_WALL_3;
9350   }
9351
9352   return EL_EMPTY;
9353 }
9354
9355 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9356 {
9357   int element_new = getPillarFromOpenDirection(direction);
9358
9359   return (element_new != EL_EMPTY ? element_new : element_old);
9360 }
9361
9362 static int getOpenDirectionFromSteel2(int element)
9363 {
9364   switch (element)
9365   {
9366     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9367     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9368     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9369     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9370     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9371     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9372     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9373     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9374   }
9375
9376   return MV_NONE;
9377 }
9378
9379 static int getSteel2FromOpenDirection(int direction)
9380 {
9381   switch (direction)
9382   {
9383     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9384     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9385     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9386     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9387     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9388     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9389     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9390     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9391   }
9392
9393   return EL_EMPTY;
9394 }
9395
9396 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9397 {
9398   int element_new = getSteel2FromOpenDirection(direction);
9399
9400   return (element_new != EL_EMPTY ? element_new : element_old);
9401 }
9402
9403 static int getOpenDirectionFromChip(int element)
9404 {
9405   switch (element)
9406   {
9407     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9408     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9409     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9410     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9411     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9412   }
9413
9414   return MV_NONE;
9415 }
9416
9417 static int getChipFromOpenDirection(int direction)
9418 {
9419   switch (direction)
9420   {
9421     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9422     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9423     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9424     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9425     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9426   }
9427
9428   return EL_EMPTY;
9429 }
9430
9431 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9432 {
9433   int element_new = getChipFromOpenDirection(direction);
9434
9435   return (element_new != EL_EMPTY ? element_new : element_old);
9436 }
9437
9438 static int getClosedTube(int x, int y)
9439 {
9440   static int xy[4][2] =
9441   {
9442     { -1, 0 },
9443     { +1, 0 },
9444     { 0, -1 },
9445     { 0, +1 }
9446   };
9447   int element_old = IntelliDrawBuffer[x][y];
9448   int direction_old = getOpenDirectionFromTube(element_old);
9449   int direction_new = MV_NONE;
9450   int i;
9451
9452   for (i = 0; i < NUM_DIRECTIONS; i++)
9453   {
9454     int xx = x + xy[i][0];
9455     int yy = y + xy[i][1];
9456     int dir = MV_DIR_FROM_BIT(i);
9457     int dir_opposite = MV_DIR_OPPOSITE(dir);
9458
9459     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9460         (direction_old & dir) &&
9461         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9462       direction_new |= dir;
9463   }
9464
9465   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9466 }
9467
9468 static int getClosedBelt(int x, int y)
9469 {
9470   static int xy[4][2] =
9471   {
9472     { -1, 0 },
9473     { +1, 0 },
9474     { 0, -1 },
9475     { 0, +1 }
9476   };
9477   int element_old = IntelliDrawBuffer[x][y];
9478   int nr = getBeltNrFromBeltElement(element_old);
9479   int direction_old = getOpenDirectionFromBelt(element_old);
9480   int direction_new = MV_NONE;
9481   int i;
9482
9483   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9484   {
9485     int xx = x + xy[i][0];
9486     int yy = y + xy[i][1];
9487     int dir = MV_DIR_FROM_BIT(i);
9488     int dir_opposite = MV_DIR_OPPOSITE(dir);
9489
9490     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9491         (direction_old & dir) &&
9492         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9493       direction_new |= dir;
9494   }
9495
9496   return getBeltFromNrAndOpenDirection(nr, direction_new);
9497 }
9498
9499 static int getClosedPool(int x, int y)
9500 {
9501   static int xy[4][2] =
9502   {
9503     { -1, 0 },
9504     { +1, 0 },
9505     { 0, -1 },
9506     { 0, +1 }
9507   };
9508   int element_old = IntelliDrawBuffer[x][y];
9509   int direction_old = getOpenDirectionFromPool(element_old);
9510   int direction_new = MV_NONE;
9511   int i;
9512
9513   for (i = 0; i < NUM_DIRECTIONS; i++)
9514   {
9515     int xx = x + xy[i][0];
9516     int yy = y + xy[i][1];
9517     int dir = MV_DIR_FROM_BIT(i);
9518     int dir_opposite = MV_DIR_OPPOSITE(dir);
9519
9520     if (IN_LEV_FIELD(xx, yy) &&
9521         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9522         (direction_old & dir) &&
9523         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9524       direction_new |= dir;
9525   }
9526
9527   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9528 }
9529
9530 static int getClosedPillar(int x, int y)
9531 {
9532   static int xy[4][2] =
9533   {
9534     { -1, 0 },
9535     { +1, 0 },
9536     { 0, -1 },
9537     { 0, +1 }
9538   };
9539   int element_old = IntelliDrawBuffer[x][y];
9540   int direction_old = getOpenDirectionFromPillar(element_old);
9541   int direction_new = MV_NONE;
9542   int i;
9543
9544   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9545   {
9546     int xx = x + xy[i][0];
9547     int yy = y + xy[i][1];
9548     int dir = MV_DIR_FROM_BIT(i);
9549     int dir_opposite = MV_DIR_OPPOSITE(dir);
9550
9551     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9552         (direction_old & dir) &&
9553         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9554       direction_new |= dir;
9555   }
9556
9557   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9558 }
9559
9560 static int getClosedSteel2(int x, int y)
9561 {
9562   static int xy[4][2] =
9563   {
9564     { -1, 0 },
9565     { +1, 0 },
9566     { 0, -1 },
9567     { 0, +1 }
9568   };
9569   int element_old = IntelliDrawBuffer[x][y];
9570   int direction_old = getOpenDirectionFromSteel2(element_old);
9571   int direction_new = MV_NONE;
9572   int i;
9573
9574   for (i = 0; i < NUM_DIRECTIONS; i++)
9575   {
9576     int xx = x + xy[i][0];
9577     int yy = y + xy[i][1];
9578     int dir = MV_DIR_FROM_BIT(i);
9579     int dir_opposite = MV_DIR_OPPOSITE(dir);
9580
9581     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9582         (direction_old & dir) &&
9583         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9584       direction_new |= dir;
9585   }
9586
9587   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9588 }
9589
9590 static int getClosedChip(int x, int y)
9591 {
9592   static int xy[4][2] =
9593   {
9594     { -1, 0 },
9595     { +1, 0 },
9596     { 0, -1 },
9597     { 0, +1 }
9598   };
9599   int element_old = IntelliDrawBuffer[x][y];
9600   int direction_old = getOpenDirectionFromChip(element_old);
9601   int direction_new = MV_NONE;
9602   int i;
9603
9604   for (i = 0; i < NUM_DIRECTIONS; i++)
9605   {
9606     int xx = x + xy[i][0];
9607     int yy = y + xy[i][1];
9608     int dir = MV_DIR_FROM_BIT(i);
9609     int dir_opposite = MV_DIR_OPPOSITE(dir);
9610
9611     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9612         (direction_old & dir) &&
9613         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9614       direction_new |= dir;
9615   }
9616
9617   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9618 }
9619
9620 static void SetElementSimple(int x, int y, int element, boolean change_level)
9621 {
9622   int sx = x - level_xpos;
9623   int sy = y - level_ypos;
9624
9625   IntelliDrawBuffer[x][y] = element;
9626
9627   if (change_level)
9628     Feld[x][y] = element;
9629
9630   if (IN_ED_FIELD(sx, sy))
9631     DrawEditorElement(sx, sy, element);
9632 }
9633
9634 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9635                                            int x2, int y2, int *element2,
9636                                            int (*close_function)(int, int),
9637                                            boolean change_level)
9638 {
9639   /* set neighbour elements to newly determined connections */
9640   SetElementSimple(x1, y1, *element1, change_level);
9641   SetElementSimple(x2, y2, *element2, change_level);
9642
9643   /* remove all open connections of neighbour elements */
9644   *element1 = close_function(x1, y1);
9645   *element2 = close_function(x2, y2);
9646
9647   /* set neighbour elements to new, minimized connections */
9648   SetElementSimple(x1, y1, *element1, change_level);
9649   SetElementSimple(x2, y2, *element2, change_level);
9650 }
9651
9652 static void SetElementIntelliDraw(int x, int y, int new_element,
9653                                   boolean change_level, int button)
9654 {
9655   static int xy[4][2] =
9656   {
9657     { -1, 0 },
9658     { +1, 0 },
9659     { 0, -1 },
9660     { 0, +1 }
9661   };
9662   static int last_x = -1;
9663   static int last_y = -1;
9664   int old_element = IntelliDrawBuffer[x][y];
9665
9666   if (new_element == EL_UNDEFINED)
9667   {
9668     last_x = -1;
9669     last_y = -1;
9670
9671     return;
9672   }
9673
9674   if (IS_TUBE(new_element))
9675   {
9676     int last_element_new = EL_UNDEFINED;
9677     int direction = MV_NONE;
9678     int i;
9679
9680     /* if old element is of same kind, keep all existing directions */
9681     if (IS_TUBE(old_element))
9682       direction |= getOpenDirectionFromTube(old_element);
9683
9684     for (i = 0; i < NUM_DIRECTIONS; i++)
9685     {
9686       int xx = x + xy[i][0];
9687       int yy = y + xy[i][1];
9688
9689       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9690           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9691       {
9692         int dir = MV_DIR_FROM_BIT(i);
9693         int dir_opposite = MV_DIR_OPPOSITE(dir);
9694         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9695         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9696         int last_direction_new = last_direction_old | dir_opposite;
9697
9698         last_element_new = getTubeFromOpenDirection(last_direction_new);
9699
9700         direction |= dir;
9701       }
9702     }
9703
9704     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9705
9706     if (last_element_new != EL_UNDEFINED)
9707       MergeAndCloseNeighbourElements(x, y, &new_element,
9708                                      last_x, last_y, &last_element_new,
9709                                      getClosedTube, change_level);
9710   }
9711   else if (IS_BELT(new_element))
9712   {
9713     int belt_nr = getBeltNrFromBeltElement(new_element);
9714     int last_element_new = EL_UNDEFINED;
9715     int direction = MV_NONE;
9716     int i;
9717
9718     /* if old element is of same kind, keep all existing directions */
9719     if (IS_BELT(old_element))
9720       direction |= getOpenDirectionFromBelt(old_element);
9721
9722     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9723     {
9724       int xx = x + xy[i][0];
9725       int yy = y + xy[i][1];
9726
9727       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9728           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9729       {
9730         int dir = MV_DIR_FROM_BIT(i);
9731         int dir_opposite = MV_DIR_OPPOSITE(dir);
9732         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9733         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9734         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9735         int last_direction_new = last_direction_old | dir_opposite;
9736
9737         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9738                                                          last_direction_new);
9739         direction |= dir;
9740       }
9741     }
9742
9743     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9744                                                         new_element);
9745     if (last_element_new != EL_UNDEFINED)
9746       MergeAndCloseNeighbourElements(x, y, &new_element,
9747                                      last_x, last_y, &last_element_new,
9748                                      getClosedBelt, change_level);
9749   }
9750   else if (IS_ACID_POOL_OR_ACID(new_element))
9751   {
9752     int last_element_new = EL_UNDEFINED;
9753     int direction = MV_NONE;
9754     int i;
9755
9756     /* if old element is of same kind, keep all existing directions */
9757     if (IS_ACID_POOL_OR_ACID(old_element))
9758       direction |= getOpenDirectionFromPool(old_element);
9759
9760     for (i = 0; i < NUM_DIRECTIONS; i++)
9761     {
9762       int xx = x + xy[i][0];
9763       int yy = y + xy[i][1];
9764
9765       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9766           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9767       {
9768         int dir = MV_DIR_FROM_BIT(i);
9769         int dir_opposite = MV_DIR_OPPOSITE(dir);
9770         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9771         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9772         int last_direction_new = last_direction_old | dir_opposite;
9773
9774         last_element_new = getPoolFromOpenDirection(last_direction_new);
9775
9776         direction |= dir;
9777       }
9778     }
9779
9780     /* special corrections needed for intuitively correct acid pool drawing */
9781     if (last_element_new == EL_EMPTY)
9782       last_element_new = new_element;
9783     else if (last_element_new != EL_UNDEFINED)
9784       new_element = last_element_new;
9785
9786     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9787
9788     if (last_element_new != EL_UNDEFINED)
9789       MergeAndCloseNeighbourElements(x, y, &new_element,
9790                                      last_x, last_y, &last_element_new,
9791                                      getClosedPool, change_level);
9792   }
9793   else if (IS_EMC_PILLAR(new_element))
9794   {
9795     int last_element_new = EL_UNDEFINED;
9796     int direction = MV_NONE;
9797     int i;
9798
9799     /* if old element is of same kind, keep all existing directions */
9800     if (IS_EMC_PILLAR(old_element))
9801       direction |= getOpenDirectionFromPillar(old_element);
9802
9803     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9804     {
9805       int xx = x + xy[i][0];
9806       int yy = y + xy[i][1];
9807
9808       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9809           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9810       {
9811         int dir = MV_DIR_FROM_BIT(i);
9812         int dir_opposite = MV_DIR_OPPOSITE(dir);
9813         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9814         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9815         int last_direction_new = last_direction_old | dir_opposite;
9816
9817         last_element_new = getPillarFromOpenDirection(last_direction_new);
9818
9819         direction |= dir;
9820       }
9821     }
9822
9823     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9824
9825     if (last_element_new != EL_UNDEFINED)
9826       MergeAndCloseNeighbourElements(x, y, &new_element,
9827                                      last_x, last_y, &last_element_new,
9828                                      getClosedPillar, change_level);
9829   }
9830   else if (IS_DC_STEELWALL_2(new_element))
9831   {
9832     int last_element_new = EL_UNDEFINED;
9833     int direction = MV_NONE;
9834     int i;
9835
9836     /* if old element is of same kind, keep all existing directions */
9837     if (IS_DC_STEELWALL_2(old_element))
9838       direction |= getOpenDirectionFromSteel2(old_element);
9839
9840     for (i = 0; i < NUM_DIRECTIONS; i++)
9841     {
9842       int xx = x + xy[i][0];
9843       int yy = y + xy[i][1];
9844
9845       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9846           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9847       {
9848         int dir = MV_DIR_FROM_BIT(i);
9849         int dir_opposite = MV_DIR_OPPOSITE(dir);
9850         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9851         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9852         int last_direction_new = last_direction_old | dir_opposite;
9853
9854         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9855
9856         direction |= dir;
9857       }
9858     }
9859
9860     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9861
9862     if (last_element_new != EL_UNDEFINED)
9863       MergeAndCloseNeighbourElements(x, y, &new_element,
9864                                      last_x, last_y, &last_element_new,
9865                                      getClosedSteel2, change_level);
9866   }
9867   else if (IS_SP_CHIP(new_element))
9868   {
9869     int last_element_new = EL_UNDEFINED;
9870     int direction = MV_NONE;
9871     int i;
9872
9873     /* (do not keep existing directions, regardless of kind of old element) */
9874
9875     for (i = 0; i < NUM_DIRECTIONS; i++)
9876     {
9877       int xx = x + xy[i][0];
9878       int yy = y + xy[i][1];
9879
9880       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9881           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9882       {
9883         int dir = MV_DIR_FROM_BIT(i);
9884         int dir_opposite = MV_DIR_OPPOSITE(dir);
9885         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9886         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9887         int last_direction_new = last_direction_old | dir_opposite;
9888
9889         if (last_direction_old == MV_NONE)
9890         {
9891           last_element_new = getChipFromOpenDirection(last_direction_new);
9892           direction |= dir;
9893         }
9894         else if (last_direction_old & (dir | dir_opposite))
9895         {
9896           direction |= MV_DIR_OPPOSITE(last_direction_old);
9897         }
9898         else
9899         {
9900           direction |= MV_DIR_OPPOSITE(dir);
9901         }
9902       }
9903     }
9904
9905     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9906
9907     if (last_element_new != EL_UNDEFINED)
9908       MergeAndCloseNeighbourElements(x, y, &new_element,
9909                                      last_x, last_y, &last_element_new,
9910                                      getClosedChip, change_level);
9911   }
9912   else if (IS_SP_HARDWARE_BASE(new_element))
9913   {
9914     int nr = GetSimpleRandom(6);
9915
9916     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9917                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9918                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9919                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9920                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9921   }
9922   else if (new_element == EL_SP_HARDWARE_GREEN ||
9923            new_element == EL_SP_HARDWARE_BLUE ||
9924            new_element == EL_SP_HARDWARE_RED)
9925   {
9926     int nr = GetSimpleRandom(3);
9927
9928     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9929                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9930   }
9931   else if (IS_GROUP_ELEMENT(new_element))
9932   {
9933     boolean connected_drawing = FALSE;
9934     int i;
9935
9936     for (i = 0; i < NUM_DIRECTIONS; i++)
9937     {
9938       int xx = x + xy[i][0];
9939       int yy = y + xy[i][1];
9940
9941       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9942           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9943         connected_drawing = TRUE;
9944     }
9945
9946     if (!connected_drawing)
9947       ResolveGroupElement(new_element);
9948
9949     new_element = GetElementFromGroupElement(new_element);
9950   }
9951   else if (IS_BELT_SWITCH(old_element))
9952   {
9953     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9954     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9955
9956     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9957                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9958
9959     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9960   }
9961   else
9962   {
9963     static int swappable_elements[][2] =
9964     {
9965       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9966       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9967       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9968       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9969       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9970       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9971       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9972       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9973       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9974       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9975       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9976       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9977       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9978       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9979       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9980       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9981       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9982       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9983       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9984       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9985       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9986       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9987       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9988       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9989       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9990       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9991       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9992       { EL_PEARL,                       EL_WALL_PEARL                   },
9993       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9994       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9995       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9996       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9997       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9998       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9999       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10000       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10001       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10002       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10003       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10004       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10005
10006       { -1,                             -1                              },
10007     };
10008     static int rotatable_elements[][4] =
10009     {
10010       {
10011         EL_BUG_UP,
10012         EL_BUG_RIGHT,
10013         EL_BUG_DOWN,
10014         EL_BUG_LEFT
10015       },
10016
10017       {
10018         EL_SPACESHIP_UP,
10019         EL_SPACESHIP_RIGHT,
10020         EL_SPACESHIP_DOWN,
10021         EL_SPACESHIP_LEFT
10022       },
10023
10024       {
10025         EL_BD_BUTTERFLY_UP,
10026         EL_BD_BUTTERFLY_RIGHT,
10027         EL_BD_BUTTERFLY_DOWN,
10028         EL_BD_BUTTERFLY_LEFT
10029       },
10030
10031       {
10032         EL_BD_FIREFLY_UP,
10033         EL_BD_FIREFLY_RIGHT,
10034         EL_BD_FIREFLY_DOWN,
10035         EL_BD_FIREFLY_LEFT
10036       },
10037
10038       {
10039         EL_PACMAN_UP,
10040         EL_PACMAN_RIGHT,
10041         EL_PACMAN_DOWN,
10042         EL_PACMAN_LEFT
10043       },
10044
10045       {
10046         EL_YAMYAM_UP,
10047         EL_YAMYAM_RIGHT,
10048         EL_YAMYAM_DOWN,
10049         EL_YAMYAM_LEFT
10050       },
10051
10052       {
10053         EL_ARROW_UP,
10054         EL_ARROW_RIGHT,
10055         EL_ARROW_DOWN,
10056         EL_ARROW_LEFT
10057       },
10058
10059       {
10060         EL_SP_PORT_UP,
10061         EL_SP_PORT_RIGHT,
10062         EL_SP_PORT_DOWN,
10063         EL_SP_PORT_LEFT
10064       },
10065
10066       {
10067         EL_SP_GRAVITY_PORT_UP,
10068         EL_SP_GRAVITY_PORT_RIGHT,
10069         EL_SP_GRAVITY_PORT_DOWN,
10070         EL_SP_GRAVITY_PORT_LEFT
10071       },
10072
10073       {
10074         EL_SP_GRAVITY_ON_PORT_UP,
10075         EL_SP_GRAVITY_ON_PORT_RIGHT,
10076         EL_SP_GRAVITY_ON_PORT_DOWN,
10077         EL_SP_GRAVITY_ON_PORT_LEFT
10078       },
10079
10080       {
10081         EL_SP_GRAVITY_OFF_PORT_UP,
10082         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10083         EL_SP_GRAVITY_OFF_PORT_DOWN,
10084         EL_SP_GRAVITY_OFF_PORT_LEFT
10085       },
10086
10087       {
10088         EL_MOLE_UP,
10089         EL_MOLE_RIGHT,
10090         EL_MOLE_DOWN,
10091         EL_MOLE_LEFT
10092       },
10093
10094       {
10095         EL_BALLOON_SWITCH_UP,
10096         EL_BALLOON_SWITCH_RIGHT,
10097         EL_BALLOON_SWITCH_DOWN,
10098         EL_BALLOON_SWITCH_LEFT
10099       },
10100
10101       {
10102         -1,
10103         -1,
10104         -1,
10105         -1,
10106       },
10107     };
10108     int i, j;
10109
10110     for (i = 0; swappable_elements[i][0] != -1; i++)
10111     {
10112       int element1 = swappable_elements[i][0];
10113       int element2 = swappable_elements[i][1];
10114
10115       if (old_element == element1 || old_element == element2)
10116         new_element = (old_element == element1 ? element2 : element1);
10117     }
10118
10119     for (i = 0; rotatable_elements[i][0] != -1; i++)
10120     {
10121       for (j = 0; j < 4; j++)
10122       {
10123         int element = rotatable_elements[i][j];
10124
10125         if (old_element == element)
10126           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10127                          button == 2 ? rotatable_elements[i][0]           :
10128                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10129                          old_element);
10130       }
10131     }
10132   }
10133
10134   SetElementSimple(x, y, new_element, change_level);
10135
10136   last_x = x;
10137   last_y = y;
10138 }
10139
10140 static void ResetIntelliDraw()
10141 {
10142   int x, y;
10143
10144   for (x = 0; x < lev_fieldx; x++)
10145     for (y = 0; y < lev_fieldy; y++)
10146       IntelliDrawBuffer[x][y] = Feld[x][y];
10147
10148   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10149 }
10150
10151 static void SetElementExt(int x, int y, int element, boolean change_level,
10152                           int button)
10153 {
10154   if (element < 0)
10155     SetElementSimple(x, y, Feld[x][y], change_level);
10156   else if (GetKeyModState() & KMOD_Shift)
10157     SetElementIntelliDraw(x, y, element, change_level, button);
10158   else
10159     SetElementSimple(x, y, element, change_level);
10160 }
10161
10162 static void SetElement(int x, int y, int element)
10163 {
10164   SetElementExt(x, y, element, TRUE, -1);
10165 }
10166
10167 static void SetElementButton(int x, int y, int element, int button)
10168 {
10169   SetElementExt(x, y, element, TRUE, button);
10170 }
10171
10172 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10173 {
10174   int lx = sx + level_xpos;
10175   int ly = sy + level_ypos;
10176
10177   SetElementExt(lx, ly, element, change_level, -1);
10178 }
10179
10180 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10181                      int element, boolean change_level)
10182 {
10183   int xsize = ABS(to_x - from_x);
10184   int ysize = ABS(to_y - from_y);
10185   int dx = (to_x < from_x ? -1 : +1);
10186   int dy = (to_y < from_y ? -1 : +1);
10187   int i;
10188
10189   if (from_y == to_y)                   /* horizontal line */
10190   {
10191     for (i = 0; i <= xsize; i++)
10192       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10193   }
10194   else if (from_x == to_x)              /* vertical line */
10195   {
10196     for (i = 0; i <= ysize; i++)
10197       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10198   }
10199   else                                  /* diagonal line */
10200   {
10201     if (ysize < xsize)                  /* a < 1 */
10202     {
10203       float a = (float)ysize / (float)xsize;
10204
10205       for (i = 0; i <= xsize; i++)
10206       {
10207         int x = dx * i;
10208         int y = dy * (int)(a * i + 0.5);
10209
10210         DrawLineElement(from_x + x, from_y + y, element, change_level);
10211       }
10212     }
10213     else                                /* a >= 1 */
10214     {
10215       float a = (float)xsize / (float)ysize;
10216
10217       for (i = 0; i <= ysize; i++)
10218       {
10219         int x = dx * (int)(a * i + 0.5);
10220         int y = dy * i;
10221
10222         DrawLineElement(from_x + x, from_y + y, element, change_level);
10223       }
10224     }
10225   }
10226 }
10227
10228 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10229                     int element, boolean change_level)
10230 {
10231   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10232   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10233   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10234   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10235 }
10236
10237 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10238                           int element, boolean change_level)
10239 {
10240   int y;
10241
10242   if (from_y > to_y)
10243     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10244
10245   for (y = from_y; y <= to_y; y++)
10246     DrawLine(from_x, y, to_x, y, element, change_level);
10247 }
10248
10249 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10250                        int element, boolean change_level)
10251 {
10252   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10253   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10254   int len_x = ABS(to_x - from_x);
10255   int len_y = ABS(to_y - from_y);
10256   int radius, x, y;
10257
10258   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10259
10260   /* not optimal (some points get drawn twice) but simple,
10261      and fast enough for the few points we are drawing */
10262
10263   for (x = 0; x <= radius; x++)
10264   {
10265     int sx, sy, lx, ly;
10266
10267     y = (int)(sqrt((float)(radius * radius - x * x)) + 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   for (y = 0; y <= radius; y++)
10279   {
10280     int sx, sy, lx, ly;
10281
10282     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10283
10284     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10285     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10286     lx = sx + level_xpos;
10287     ly = sy + level_ypos;
10288
10289     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10290       DrawLineElement(sx, sy, element, change_level);
10291   }
10292 }
10293
10294 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10295                     int element, boolean change_level)
10296 {
10297   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10298   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10299
10300   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10301 }
10302
10303 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10304
10305 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10306 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10307                        int element, boolean change_level)
10308 {
10309   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10310   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10311   int mirror_to_x2 = from_x - (to_x2 - from_x);
10312   int mirror_to_y2 = from_y - (to_y2 - from_y);
10313
10314   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10315   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10316   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10317   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10318 }
10319 #endif
10320
10321 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10322 {
10323   int from_sx, from_sy;
10324   int to_sx, to_sy;
10325
10326   if (from_x > to_x)
10327     swap_numbers(&from_x, &to_x);
10328
10329   if (from_y > to_y)
10330     swap_numbers(&from_y, &to_y);
10331
10332   from_sx = SX + from_x * ed_tilesize;
10333   from_sy = SY + from_y * ed_tilesize;
10334   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10335   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10336
10337   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10338   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10339   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10340   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10341
10342   if (from_x == to_x && from_y == to_y)
10343     MarkTileDirty(from_x/2, from_y/2);
10344   else
10345     redraw_mask |= REDRAW_FIELD;
10346 }
10347
10348 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10349                        int element, boolean change_level)
10350 {
10351   if (element == -1 || change_level)
10352     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10353   else
10354     DrawAreaBorder(from_x, from_y, to_x, to_y);
10355 }
10356
10357 /* values for CopyBrushExt() */
10358 #define CB_AREA_TO_BRUSH        0
10359 #define CB_BRUSH_TO_CURSOR      1
10360 #define CB_BRUSH_TO_LEVEL       2
10361 #define CB_DELETE_OLD_CURSOR    3
10362 #define CB_DUMP_BRUSH           4
10363 #define CB_DUMP_BRUSH_SMALL     5
10364
10365 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10366                          int button, int mode)
10367 {
10368   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10369   static int brush_width, brush_height;
10370   static int last_cursor_x = -1, last_cursor_y = -1;
10371   static boolean delete_old_brush;
10372   int new_element = BUTTON_ELEMENT(button);
10373   int x, y;
10374
10375   if (mode == CB_DUMP_BRUSH ||
10376       mode == CB_DUMP_BRUSH_SMALL)
10377   {
10378     if (!draw_with_brush)
10379     {
10380       Error(ERR_WARN, "no brush selected");
10381
10382       return;
10383     }
10384
10385     for (y = 0; y < brush_height; y++)
10386     {
10387       for (x = 0; x < brush_width; x++)
10388       {
10389         int element = brush_buffer[x][y];
10390         int element_mapped = element;
10391
10392         if (IS_CUSTOM_ELEMENT(element))
10393           element_mapped = EL_CUSTOM_START;
10394         else if (IS_GROUP_ELEMENT(element))
10395           element_mapped = EL_GROUP_START;
10396         else if (element >= NUM_FILE_ELEMENTS)
10397           element_mapped = EL_UNKNOWN;
10398
10399         // dump brush as level sketch text for the R'n'D forum:
10400         // - large tiles: `xxx (0x60 ASCII)
10401         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10402         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10403       }
10404
10405       printf("\n");
10406     }
10407
10408     return;
10409   }
10410
10411   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10412     return;
10413
10414   if (mode == CB_AREA_TO_BRUSH)
10415   {
10416     int from_lx, from_ly;
10417
10418     if (from_x > to_x)
10419       swap_numbers(&from_x, &to_x);
10420
10421     if (from_y > to_y)
10422       swap_numbers(&from_y, &to_y);
10423
10424     brush_width = to_x - from_x + 1;
10425     brush_height = to_y - from_y + 1;
10426
10427     from_lx = from_x + level_xpos;
10428     from_ly = from_y + level_ypos;
10429
10430     for (y = 0; y < brush_height; y++)
10431     {
10432       for (x = 0; x < brush_width; x++)
10433       {
10434         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10435
10436         if (button != 1)
10437           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10438       }
10439     }
10440
10441     if (button != 1)
10442       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10443
10444     delete_old_brush = FALSE;
10445   }
10446   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10447            mode == CB_BRUSH_TO_LEVEL)
10448   {
10449     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10450     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10451     int cursor_from_x = cursor_x - brush_width / 2;
10452     int cursor_from_y = cursor_y - brush_height / 2;
10453     int border_from_x = cursor_x, border_from_y = cursor_y;
10454     int border_to_x = cursor_x, border_to_y = cursor_y;
10455
10456     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10457       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10458
10459     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10460         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10461     {
10462       delete_old_brush = FALSE;
10463       return;
10464     }
10465
10466     for (y = 0; y < brush_height; y++)
10467     {
10468       for (x = 0; x < brush_width; x++)
10469       {
10470         int sx = cursor_from_x + x;
10471         int sy = cursor_from_y + y;
10472         int lx = sx + level_xpos;
10473         int ly = sy + level_ypos;
10474         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10475         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10476                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10477                        brush_buffer[x][y] : new_element);
10478
10479         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10480         {
10481           if (sx < border_from_x)
10482             border_from_x = sx;
10483           else if (sx > border_to_x)
10484             border_to_x = sx;
10485           if (sy < border_from_y)
10486             border_from_y = sy;
10487           else if (sy > border_to_y)
10488             border_to_y = sy;
10489
10490           DrawLineElement(sx, sy, element, change_level);
10491         }
10492       }
10493     }
10494
10495     if (mode != CB_DELETE_OLD_CURSOR)
10496       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10497
10498     last_cursor_x = cursor_x;
10499     last_cursor_y = cursor_y;
10500     delete_old_brush = TRUE;
10501   }
10502 }
10503
10504 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10505                             int button)
10506 {
10507   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10508 }
10509
10510 static void CopyBrushToLevel(int x, int y, int button)
10511 {
10512   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10513 }
10514
10515 static void CopyBrushToCursor(int x, int y)
10516 {
10517   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10518 }
10519
10520 static void DeleteBrushFromCursor()
10521 {
10522   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10523 }
10524
10525 void DumpBrush()
10526 {
10527   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10528 }
10529
10530 void DumpBrush_Small()
10531 {
10532   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10533 }
10534
10535 static void FloodFill(int from_x, int from_y, int fill_element)
10536 {
10537   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10538 }
10539
10540 /* values for DrawLevelText() modes */
10541 #define TEXT_INIT               0
10542 #define TEXT_SETCURSOR          1
10543 #define TEXT_WRITECHAR          2
10544 #define TEXT_BACKSPACE          3
10545 #define TEXT_NEWLINE            4
10546 #define TEXT_END                5
10547 #define TEXT_QUERY_TYPING       6
10548
10549 static int DrawLevelText(int sx, int sy, char letter, int mode)
10550 {
10551   static short delete_buffer[MAX_LEV_FIELDX];
10552   static int start_sx;
10553   static int last_sx, last_sy;
10554   static boolean typing = FALSE;
10555   int letter_element = EL_CHAR_ASCII0 + letter;
10556   int lx = 0, ly = 0;
10557
10558   /* map lower case letters to upper case and convert special characters */
10559   if (letter >= 'a' && letter <= 'z')
10560     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10561   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10562     letter_element = EL_CHAR_AUMLAUT;
10563   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10564     letter_element = EL_CHAR_OUMLAUT;
10565   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10566     letter_element = EL_CHAR_UUMLAUT;
10567   else if (letter == '^')
10568     letter_element = EL_CHAR_COPYRIGHT;
10569   else
10570     letter_element = EL_CHAR_ASCII0 + letter;
10571
10572   if (mode != TEXT_INIT)
10573   {
10574     if (!typing)
10575       return FALSE;
10576
10577     if (mode != TEXT_SETCURSOR)
10578     {
10579       sx = last_sx;
10580       sy = last_sy;
10581     }
10582
10583     lx = last_sx + level_xpos;
10584     ly = last_sy + level_ypos;
10585   }
10586
10587   switch (mode)
10588   {
10589     case TEXT_INIT:
10590       if (typing)
10591         DrawLevelText(0, 0, 0, TEXT_END);
10592
10593       typing = TRUE;
10594       start_sx = sx;
10595       last_sx = sx;
10596       last_sy = sy;
10597       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10598       break;
10599
10600     case TEXT_SETCURSOR:
10601       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10602       DrawAreaBorder(sx, sy, sx, sy);
10603       last_sx = sx;
10604       last_sy = sy;
10605       break;
10606
10607     case TEXT_WRITECHAR:
10608       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10609       {
10610         if (new_element1 >= EL_STEEL_CHAR_START &&
10611             new_element1 <= EL_STEEL_CHAR_END)
10612           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10613
10614         delete_buffer[sx - start_sx] = Feld[lx][ly];
10615         Feld[lx][ly] = letter_element;
10616
10617         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10618           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10619         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10620           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10621         else
10622           DrawLevelText(0, 0, 0, TEXT_END);
10623
10624         level.changed = TRUE;
10625       }
10626       break;
10627
10628     case TEXT_BACKSPACE:
10629       if (sx > start_sx)
10630       {
10631         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10632         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10633         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10634       }
10635       break;
10636
10637     case TEXT_NEWLINE:
10638       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10639         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10640       else
10641         DrawLevelText(0, 0, 0, TEXT_END);
10642       break;
10643
10644     case TEXT_END:
10645       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10646       DrawEditorElement(sx, sy, Feld[lx][ly]);
10647       typing = FALSE;
10648       break;
10649
10650     case TEXT_QUERY_TYPING:
10651       break;
10652
10653     default:
10654       break;
10655   }
10656
10657   return typing;
10658 }
10659
10660 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10661                           int element, boolean change_level)
10662 {
10663   int lx = sx + level_xpos;
10664   int ly = sy + level_ypos;
10665
10666   if (element == -1)
10667     DrawEditorElement(sx, sy, Feld[lx][ly]);
10668   else
10669     DrawAreaBorder(sx, sy, sx, sy);
10670 }
10671
10672 static void CheckLevelBorderElement(boolean redraw_playfield)
10673 {
10674   int last_border_element = BorderElement;
10675
10676   SetBorderElement();
10677
10678   if (redraw_playfield && BorderElement != last_border_element)
10679     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10680 }
10681
10682 static void CopyLevelToUndoBuffer(int mode)
10683 {
10684   static boolean accumulated_undo = FALSE;
10685   boolean new_undo_buffer_position = TRUE;
10686   int x, y;
10687
10688   if (undo_buffer_steps == 0)
10689     accumulated_undo = FALSE;
10690
10691   switch (mode)
10692   {
10693     case UNDO_IMMEDIATE:
10694       accumulated_undo = FALSE;
10695       break;
10696
10697     case UNDO_ACCUMULATE:
10698       if (accumulated_undo)
10699         new_undo_buffer_position = FALSE;
10700       accumulated_undo = TRUE;
10701       break;
10702
10703     default:
10704       break;
10705   }
10706
10707   if (new_undo_buffer_position)
10708   {
10709     /* advance position in undo buffer ring */
10710     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10711
10712     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10713       undo_buffer_steps++;
10714   }
10715
10716   /* always reset redo buffer when storing level change into undo buffer */
10717   redo_buffer_steps = 0;
10718
10719   for (x = 0; x < lev_fieldx; x++)
10720     for (y = 0; y < lev_fieldy; y++)
10721       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10722
10723   /* check if drawing operation forces change of border style */
10724   CheckLevelBorderElement(TRUE);
10725
10726   level.changed = TRUE;
10727 }
10728
10729 static void RandomPlacement(int new_element)
10730 {
10731   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10732   int num_free_positions = 0;
10733   int num_percentage, num_elements;
10734   int x, y;
10735
10736   ResetIntelliDraw();
10737
10738   /* determine number of free positions for randomly placing the new element */
10739   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10740   {
10741     free_position[x][y] =
10742       (random_placement_background_restricted ?
10743        Feld[x][y] == random_placement_background_element :
10744        Feld[x][y] != new_element);
10745
10746     if (free_position[x][y])
10747       num_free_positions++;
10748   }
10749
10750   /* determine number of new elements to place there */
10751   num_percentage = num_free_positions * random_placement_value / 100;
10752   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10753                   num_percentage : random_placement_value);
10754
10755   /* if less free positions than elements to place, fill all these positions */
10756   if (num_free_positions < num_elements)
10757   {
10758     for (x = 0; x < lev_fieldx; x++)
10759       for (y = 0; y < lev_fieldy; y++)
10760         if (free_position[x][y])
10761           SetElement(x, y, new_element);
10762   }
10763   else
10764   {
10765     while (num_elements > 0)
10766     {
10767       x = GetSimpleRandom(lev_fieldx);
10768       y = GetSimpleRandom(lev_fieldy);
10769
10770       /* don't place element at the same position twice */
10771       if (free_position[x][y])
10772       {
10773         free_position[x][y] = FALSE;
10774         SetElement(x, y, new_element);
10775         num_elements--;
10776       }
10777     }
10778   }
10779
10780   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10781   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10782 }
10783
10784 void WrapLevel(int dx, int dy)
10785 {
10786   int wrap_dx = lev_fieldx - dx;
10787   int wrap_dy = lev_fieldy - dy;
10788   int x, y;
10789
10790   for (x = 0; x < lev_fieldx; x++)
10791     for (y = 0; y < lev_fieldy; y++)
10792       FieldBackup[x][y] = Feld[x][y];
10793
10794   for (x = 0; x < lev_fieldx; x++)
10795     for (y = 0; y < lev_fieldy; y++)
10796       Feld[x][y] =
10797         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10798
10799   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10800   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10801 }
10802
10803 static void HandleDrawingAreas(struct GadgetInfo *gi)
10804 {
10805   static boolean started_inside_drawing_area = FALSE;
10806   int id = gi->custom_id;
10807   boolean button_press_event;
10808   boolean button_release_event;
10809   boolean inside_drawing_area = !gi->event.off_borders;
10810   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10811   int actual_drawing_function;
10812   int button = gi->event.button;
10813   int new_element = BUTTON_ELEMENT(button);
10814   int sx = gi->event.x, sy = gi->event.y;
10815   int min_sx = 0, min_sy = 0;
10816   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10817   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10818   int lx = 0, ly = 0;
10819   int min_lx = 0, min_ly = 0;
10820   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10821   int x, y;
10822
10823   /* handle info callback for each invocation of action callback */
10824   gi->callback_info(gi);
10825
10826   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10827   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10828
10829   /* make sure to stay inside drawing area boundaries */
10830   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10831   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10832
10833   if (draw_level)
10834   {
10835     /* get positions inside level field */
10836     lx = sx + level_xpos;
10837     ly = sy + level_ypos;
10838
10839     if (!IN_LEV_FIELD(lx, ly))
10840       inside_drawing_area = FALSE;
10841
10842     /* make sure to stay inside level field boundaries */
10843     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10844     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10845
10846     /* correct drawing area positions accordingly */
10847     sx = lx - level_xpos;
10848     sy = ly - level_ypos;
10849   }
10850
10851   if (button_press_event)
10852     started_inside_drawing_area = inside_drawing_area;
10853
10854   if (!started_inside_drawing_area)
10855     return;
10856
10857   if (!IS_VALID_BUTTON(button))
10858     return;
10859
10860   if (!button && !button_release_event)
10861     return;
10862
10863   /* automatically switch to 'single item' drawing mode, if needed */
10864   actual_drawing_function =
10865     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10866      drawing_function : GADGET_ID_SINGLE_ITEMS);
10867
10868   /* clicking into drawing area with pressed Control key picks element */
10869   if (GetKeyModState() & KMOD_Control)
10870   {
10871     last_drawing_function = drawing_function;
10872     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10873   }
10874
10875   if (GetKeyModState() & KMOD_Shift)
10876   {
10877     if (button_press_event || button_release_event)
10878       ResetIntelliDraw();
10879   }
10880
10881   switch (actual_drawing_function)
10882   {
10883     case GADGET_ID_SINGLE_ITEMS:
10884       if (draw_level)
10885       {
10886         if (button_release_event)
10887         {
10888           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10889
10890           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10891               !inside_drawing_area)
10892             DeleteBrushFromCursor();
10893         }
10894
10895         if (!button || button_release_event)
10896           break;
10897
10898         if (draw_with_brush)
10899         {
10900           CopyBrushToLevel(sx, sy, button);
10901         }
10902         else
10903         {
10904           if (new_element == EL_PLAYER_1)
10905           {
10906             /* remove player at old position */
10907             for (y = 0; y < lev_fieldy; y++)
10908               for (x = 0; x < lev_fieldx; x++)
10909                 if (Feld[x][y] == EL_PLAYER_1)
10910                   SetElement(x, y, EL_EMPTY);
10911           }
10912
10913           SetElementButton(lx, ly, new_element, button);
10914         }
10915       }
10916       else
10917       {
10918         int type_id = gi->custom_type_id;
10919         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10920
10921         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10922           DrawMiniGraphicExt(drawto,
10923                              gi->x + sx * MINI_TILEX,
10924                              gi->y + sy * MINI_TILEY,
10925                              el2edimg(new_element));
10926         else
10927           DrawFixedGraphicExt(drawto,
10928                               gi->x + sx * TILEX,
10929                               gi->y + sy * TILEY,
10930                               el2edimg(new_element), 0);
10931
10932         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10933           new_element = GFX_ELEMENT(new_element);
10934
10935         drawingarea_info[type_id].value[pos] = new_element;
10936
10937         CopyElementPropertiesToGame(properties_element);
10938
10939         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10940         {
10941           UpdateCustomElementGraphicGadgets();
10942
10943           FrameCounter = 0;     /* restart animation frame counter */
10944         }
10945       }
10946       break;
10947
10948     case GADGET_ID_CONNECTED_ITEMS:
10949       {
10950         static int last_sx = -1;
10951         static int last_sy = -1;
10952
10953         if (button_release_event)
10954           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10955
10956         if (button)
10957         {
10958           if (!button_press_event)
10959             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10960
10961           last_sx = sx;
10962           last_sy = sy;
10963         }
10964       }
10965       break;
10966
10967     case GADGET_ID_LINE:
10968     case GADGET_ID_ARC:
10969     case GADGET_ID_RECTANGLE:
10970     case GADGET_ID_FILLED_BOX:
10971     case GADGET_ID_GRAB_BRUSH:
10972     case GADGET_ID_TEXT:
10973       {
10974         static int last_sx = -1;
10975         static int last_sy = -1;
10976         static int start_sx = -1;
10977         static int start_sy = -1;
10978         void (*draw_func)(int, int, int, int, int, boolean);
10979
10980         if (drawing_function == GADGET_ID_LINE)
10981           draw_func = DrawLine;
10982         else if (drawing_function == GADGET_ID_ARC)
10983           draw_func = DrawArc;
10984         else if (drawing_function == GADGET_ID_RECTANGLE)
10985           draw_func = DrawBox;
10986         else if (drawing_function == GADGET_ID_FILLED_BOX)
10987           draw_func = DrawFilledBox;
10988         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10989           draw_func = SelectArea;
10990         else /* (drawing_function == GADGET_ID_TEXT) */
10991           draw_func = SetTextCursor;
10992
10993         if (button_press_event)
10994         {
10995           draw_func(sx, sy, sx, sy, new_element, FALSE);
10996           start_sx = last_sx = sx;
10997           start_sy = last_sy = sy;
10998
10999           if (drawing_function == GADGET_ID_TEXT)
11000             DrawLevelText(0, 0, 0, TEXT_END);
11001         }
11002         else if (button_release_event)
11003         {
11004           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
11005           if (drawing_function == GADGET_ID_GRAB_BRUSH)
11006           {
11007             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
11008             CopyBrushToCursor(sx, sy);
11009             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11010                           MB_LEFTBUTTON);
11011             draw_with_brush = TRUE;
11012           }
11013           else if (drawing_function == GADGET_ID_TEXT)
11014             DrawLevelText(sx, sy, 0, TEXT_INIT);
11015           else
11016             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11017         }
11018         else if (last_sx != sx || last_sy != sy)
11019         {
11020           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
11021           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
11022           last_sx = sx;
11023           last_sy = sy;
11024         }
11025       }
11026       break;
11027
11028     case GADGET_ID_FLOOD_FILL:
11029       if (button_press_event && Feld[lx][ly] != new_element)
11030       {
11031         FloodFill(lx, ly, new_element);
11032         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11033         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11034       }
11035       break;
11036
11037     case GADGET_ID_PICK_ELEMENT:
11038       if (button_release_event)
11039         ClickOnGadget(level_editor_gadget[last_drawing_function],
11040                       MB_LEFTBUTTON);
11041       else if (draw_level)
11042         PickDrawingElement(button, Feld[lx][ly]);
11043       else
11044       {
11045         int type_id = gi->custom_type_id;
11046         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11047
11048         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
11049       }
11050
11051       break;
11052
11053     default:
11054       break;
11055   }
11056 }
11057
11058 static void HandleCounterButtons(struct GadgetInfo *gi)
11059 {
11060   int gadget_id = gi->custom_id;
11061   int counter_id = gi->custom_type_id;
11062   int button = gi->event.button;
11063   int *counter_value = counterbutton_info[counter_id].value;
11064   int step = BUTTON_STEPSIZE(button) *
11065     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11066
11067   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11068   {
11069     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11070     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11071     boolean level_changed = LevelChanged();
11072
11073     if ((level_changed && pressed) || (!level_changed && released))
11074       return;
11075
11076     if (level_changed && !Request("Level has changed! Discard changes?",
11077                                   REQ_ASK))
11078     {
11079       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11080         ModifyEditorCounterValue(counter_id, *counter_value);
11081
11082       return;
11083     }
11084   }
11085
11086   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11087     *counter_value = gi->textinput.number_value;
11088   else
11089     ModifyEditorCounterValue(counter_id, *counter_value + step);
11090
11091   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11092   {
11093       LoadLevel(level_nr);
11094       LoadScore(level_nr);
11095
11096       TapeErase();
11097
11098       ResetUndoBuffer();
11099       DrawEditModeWindow();
11100
11101       return;
11102   }
11103
11104   switch (counter_id)
11105   {
11106     case ED_COUNTER_ID_YAMYAM_CONTENT:
11107       DrawYamYamContentAreas();
11108       break;
11109
11110     case ED_COUNTER_ID_BALL_CONTENT:
11111       DrawMagicBallContentAreas();
11112       break;
11113
11114     case ED_COUNTER_ID_ANDROID_CONTENT:
11115       DrawAndroidElementArea(properties_element);
11116       break;
11117
11118     case ED_COUNTER_ID_GROUP_CONTENT:
11119       DrawGroupElementArea(properties_element);
11120       CopyGroupElementPropertiesToGame(properties_element);
11121       break;
11122
11123     case ED_COUNTER_ID_INVENTORY_SIZE:
11124       DrawPlayerInitialInventoryArea(properties_element);
11125       break;
11126
11127     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11128     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11129       DrawEnvelopeTextArea(-1);
11130       break;
11131
11132     case ED_COUNTER_ID_LEVEL_XSIZE:
11133     case ED_COUNTER_ID_LEVEL_YSIZE:
11134       lev_fieldx = level.fieldx;
11135       lev_fieldy = level.fieldy;
11136
11137       /* check if resizing of level results in change of border border */
11138       SetBorderElement();
11139
11140       break;
11141
11142     default:
11143       break;
11144   }
11145
11146   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11147        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11148       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11149        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11150     CopyElementPropertiesToGame(properties_element);
11151
11152   level.changed = TRUE;
11153 }
11154
11155 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11156 {
11157   int type_id = gi->custom_type_id;
11158
11159   strcpy(textinput_info[type_id].value, gi->textinput.value);
11160
11161   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11162   {
11163     CopyElementPropertiesToGame(properties_element);
11164
11165     ModifyEditorElementList();  /* update changed button info text */
11166   }
11167
11168   level.changed = TRUE;
11169 }
11170
11171 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11172 {
11173   int type_id = gi->custom_type_id;
11174
11175   strncpy(textarea_info[type_id].value, gi->textarea.value,
11176           MAX_ENVELOPE_TEXT_LEN);
11177   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11178
11179   level.changed = TRUE;
11180 }
11181
11182 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11183 {
11184   int type_id = gi->custom_type_id;
11185   int value_old = *selectbox_info[type_id].value;
11186   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11187
11188   *selectbox_info[type_id].value = value_new;
11189
11190   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11191   {
11192     element_info[properties_element].current_change_page = gi->selectbox.index;
11193
11194     DrawPropertiesWindow();
11195   }
11196   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11197             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11198            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11199             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11200            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11201   {
11202     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11203     {
11204       /* when changing action type, also check action mode and action arg */
11205       if (value_old != value_new)
11206         setSelectboxSpecialActionVariablesIfNeeded();
11207
11208       DrawPropertiesChange();
11209     }
11210
11211     CopyElementPropertiesToGame(properties_element);
11212
11213     level.changed = TRUE;
11214   }
11215 }
11216
11217 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11218 {
11219   int type_id = gi->custom_type_id;
11220   int i;
11221
11222   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11223       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11224   {
11225     edit_mode_levelinfo = gi->custom_type_id;
11226
11227     DrawLevelInfoWindow();
11228   }
11229   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11230            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11231   {
11232     edit_mode_properties = gi->custom_type_id;
11233
11234     DrawPropertiesWindow();
11235   }
11236   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11237   {
11238     char *template_filename = getDefaultLevelFilename(-1);
11239     boolean new_template = !fileExists(template_filename);
11240
11241     /* backup original "level.field" (needed to track playfield changes) */
11242     CopyPlayfield(level.field, FieldBackup);
11243
11244     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11245     CopyPlayfield(Feld, level.field);
11246
11247     if (new_template ||
11248         Request("Save this template and kill the old?", REQ_ASK))
11249       SaveLevelTemplate();
11250
11251     if (new_template)
11252       Request("Template saved!", REQ_CONFIRM);
11253
11254     /* restore original "level.field" (needed to track playfield changes) */
11255     CopyPlayfield(FieldBackup, level.field);
11256   }
11257   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11258            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11259   {
11260     struct ElementInfo *ei = &element_info[properties_element];
11261
11262     setElementChangePages(ei, ei->num_change_pages + 1);
11263
11264     /* set new change page to be new current change page */
11265     ei->current_change_page = ei->num_change_pages - 1;
11266     ei->change = &ei->change_page[ei->current_change_page];
11267
11268     setElementChangeInfoToDefaults(ei->change);
11269
11270     DrawPropertiesWindow();
11271
11272     level.changed = TRUE;
11273   }
11274   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11275            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11276   {
11277     struct ElementInfo *ei = &element_info[properties_element];
11278
11279     /* copy all change pages after change page to be deleted */
11280     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11281       ei->change_page[i] = ei->change_page[i + 1];
11282
11283     setElementChangePages(ei, ei->num_change_pages - 1);
11284
11285     DrawPropertiesWindow();
11286
11287     level.changed = TRUE;
11288   }
11289 }
11290
11291 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11292 {
11293   int type_id = gi->custom_type_id;
11294
11295   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11296       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11297   {
11298     struct ElementInfo *ei = &element_info[properties_element];
11299     int step = BUTTON_STEPSIZE(gi->event.button);
11300
11301     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11302     ei->current_change_page += step;
11303
11304     if (ei->current_change_page < 0)
11305       ei->current_change_page = 0;
11306     else if (ei->current_change_page >= ei->num_change_pages)
11307       ei->current_change_page = ei->num_change_pages - 1;
11308
11309     DrawPropertiesWindow();
11310   }
11311   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11312            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11313   {
11314     struct ElementInfo *ei = &element_info[properties_element];
11315     int current_change_page = ei->current_change_page;
11316
11317     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11318       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11319         ei->change_page[current_change_page];
11320     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11321     {
11322       ei->change_page[current_change_page] =
11323         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11324
11325       level.changed = TRUE;
11326     }
11327
11328     DrawPropertiesWindow();
11329   }
11330 }
11331
11332 static void HandleRadiobuttons(struct GadgetInfo *gi)
11333 {
11334   *radiobutton_info[gi->custom_type_id].value =
11335     radiobutton_info[gi->custom_type_id].checked_value;
11336
11337   level.changed = TRUE;
11338 }
11339
11340 static void HandleCheckbuttons(struct GadgetInfo *gi)
11341 {
11342   int type_id = gi->custom_type_id;
11343
11344   *checkbutton_info[type_id].value ^= TRUE;
11345
11346   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11347       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11348       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11349       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11350          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11351         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11352          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11353        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11354   {
11355     CopyElementPropertiesToGame(properties_element);
11356   }
11357
11358   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11359   {
11360     UpdateCustomElementGraphicGadgets();
11361   }
11362   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11363   {
11364     char *template_filename = getDefaultLevelFilename(-1);
11365
11366     if (level.use_custom_template && !fileExists(template_filename))
11367     {
11368       Request("No level template found!", REQ_CONFIRM);
11369
11370       level.use_custom_template = FALSE;
11371       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11372
11373       return;
11374     }
11375
11376     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11377
11378     DrawEditModeWindow();
11379   }
11380
11381   level.changed = TRUE;
11382 }
11383
11384 static void HandleControlButtons(struct GadgetInfo *gi)
11385 {
11386   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11387   static int last_edit_mode = ED_MODE_DRAWING;
11388   static int last_custom_copy_mode = -1;
11389   int id = gi->custom_id;
11390   int button = gi->event.button;
11391   int step = BUTTON_STEPSIZE(button);
11392   int new_element = BUTTON_ELEMENT(button);
11393   int x, y;
11394
11395   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11396     DrawLevelText(0, 0, 0, TEXT_END);
11397
11398   if (id < ED_NUM_CTRL1_BUTTONS &&
11399       id != GADGET_ID_SINGLE_ITEMS &&
11400       id != GADGET_ID_PICK_ELEMENT &&
11401       edit_mode != ED_MODE_DRAWING &&
11402       drawing_function != GADGET_ID_PICK_ELEMENT &&
11403       !(GetKeyModState() & KMOD_Control))
11404   {
11405     DrawDrawingWindow();
11406     edit_mode = ED_MODE_DRAWING;
11407   }
11408
11409   /* element copy mode active, but no element button pressed => deactivate */
11410   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11411     last_custom_copy_mode = -1;
11412
11413   switch (id)
11414   {
11415     case GADGET_ID_SCROLL_LEFT:
11416       if (level_xpos >= 0)
11417       {
11418         if (lev_fieldx < ed_fieldx - 2)
11419           break;
11420
11421         level_xpos -= step;
11422         if (level_xpos < -1)
11423           level_xpos = -1;
11424         if (button == 1)
11425           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11426         else
11427           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11428
11429         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11430                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11431       }
11432       break;
11433
11434     case GADGET_ID_SCROLL_RIGHT:
11435       if (level_xpos <= lev_fieldx - ed_fieldx)
11436       {
11437         if (lev_fieldx < ed_fieldx - 2)
11438           break;
11439
11440         level_xpos += step;
11441         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11442           level_xpos = lev_fieldx - ed_fieldx + 1;
11443         if (button == 1)
11444           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11445         else
11446           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11447
11448         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11449                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11450       }
11451       break;
11452
11453     case GADGET_ID_SCROLL_UP:
11454       if (level_ypos >= 0)
11455       {
11456         if (lev_fieldy < ed_fieldy - 2)
11457           break;
11458
11459         level_ypos -= step;
11460         if (level_ypos < -1)
11461           level_ypos = -1;
11462         if (button == 1)
11463           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11464         else
11465           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11466
11467         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11468                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11469       }
11470       break;
11471
11472     case GADGET_ID_SCROLL_DOWN:
11473       if (level_ypos <= lev_fieldy - ed_fieldy)
11474       {
11475         if (lev_fieldy < ed_fieldy - 2)
11476           break;
11477
11478         level_ypos += step;
11479         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11480           level_ypos = lev_fieldy - ed_fieldy + 1;
11481         if (button == 1)
11482           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11483         else
11484           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11485
11486         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11487                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11488       }
11489       break;
11490
11491     case GADGET_ID_SCROLL_HORIZONTAL:
11492       level_xpos = gi->event.item_position - 1;
11493
11494       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11495       BackToFront();
11496
11497       break;
11498
11499     case GADGET_ID_SCROLL_VERTICAL:
11500       level_ypos = gi->event.item_position - 1;
11501
11502       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11503       BackToFront();
11504
11505       break;
11506
11507     case GADGET_ID_SCROLL_LIST_UP:
11508     case GADGET_ID_SCROLL_LIST_DOWN:
11509     case GADGET_ID_SCROLL_LIST_VERTICAL:
11510       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11511         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11512       else
11513       {
11514         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11515         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11516
11517         if (element_shift < 0)
11518           element_shift = 0;
11519         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11520           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11521
11522         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11523                      GDI_SCROLLBAR_ITEM_POSITION,
11524                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11525       }
11526
11527       ModifyEditorElementList();
11528
11529       break;
11530
11531     case GADGET_ID_PROPERTIES:
11532       if (edit_mode != ED_MODE_PROPERTIES)
11533       {
11534         properties_element = new_element;
11535         DrawPropertiesWindow();
11536         edit_mode = ED_MODE_PROPERTIES;
11537
11538         last_level_drawing_function = drawing_function;
11539         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11540                       MB_LEFTBUTTON);
11541       }
11542       else
11543       {
11544         DrawDrawingWindow();
11545         edit_mode = ED_MODE_DRAWING;
11546
11547         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11548                       MB_LEFTBUTTON);
11549       }
11550       break;
11551
11552     case GADGET_ID_WRAP_LEFT:
11553       WrapLevel(-step, 0);
11554       break;
11555
11556     case GADGET_ID_WRAP_RIGHT:
11557       WrapLevel(step, 0);
11558       break;
11559
11560     case GADGET_ID_WRAP_UP:
11561       WrapLevel(0, -step);
11562       break;
11563
11564     case GADGET_ID_WRAP_DOWN:
11565       WrapLevel(0, step);
11566       break;
11567
11568     case GADGET_ID_SINGLE_ITEMS:
11569     case GADGET_ID_CONNECTED_ITEMS:
11570     case GADGET_ID_LINE:
11571     case GADGET_ID_ARC:
11572     case GADGET_ID_TEXT:
11573     case GADGET_ID_RECTANGLE:
11574     case GADGET_ID_FILLED_BOX:
11575     case GADGET_ID_FLOOD_FILL:
11576     case GADGET_ID_GRAB_BRUSH:
11577     case GADGET_ID_PICK_ELEMENT:
11578       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11579         last_drawing_function = drawing_function;
11580       drawing_function = id;
11581       draw_with_brush = FALSE;
11582       break;
11583
11584     case GADGET_ID_RANDOM_PLACEMENT:
11585       RandomPlacement(new_element);
11586       break;
11587
11588     case GADGET_ID_ZOOM:
11589       // zoom level editor tile size in or out (or reset to default size)
11590       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11591                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11592                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11593
11594       // limit zoom level by upper and lower bound
11595       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11596
11597       InitZoomLevelSettings();
11598
11599       if (edit_mode == ED_MODE_DRAWING)
11600         DrawDrawingWindow();
11601
11602       break;
11603
11604     case GADGET_ID_CUSTOM_COPY_FROM:
11605     case GADGET_ID_CUSTOM_COPY_TO:
11606     case GADGET_ID_CUSTOM_EXCHANGE:
11607       last_custom_copy_mode = id;
11608       last_drawing_function = drawing_function;
11609       break;
11610
11611     case GADGET_ID_CUSTOM_COPY:
11612       CopyCustomElement(properties_element, -1, id);
11613       break;
11614
11615     case GADGET_ID_CUSTOM_PASTE:
11616       CopyCustomElement(-1, properties_element, id);
11617       break;
11618
11619     case GADGET_ID_UNDO:
11620       if (button == 1 && undo_buffer_steps == 0)
11621       {
11622         Request("Undo buffer empty!", REQ_CONFIRM);
11623
11624         break;
11625       }
11626       else if (button == 2)
11627       {
11628         break;
11629       }
11630       else if (button == 3 && redo_buffer_steps == 0)
11631       {
11632         Request("Redo buffer empty!", REQ_CONFIRM);
11633
11634         break;
11635       }
11636
11637       if (edit_mode != ED_MODE_DRAWING)
11638       {
11639         DrawDrawingWindow();
11640         edit_mode = ED_MODE_DRAWING;
11641       }
11642
11643       if (button == 1)
11644       {
11645         /* undo */
11646
11647         undo_buffer_position =
11648           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11649
11650         undo_buffer_steps--;
11651         redo_buffer_steps++;
11652       }
11653       else
11654       {
11655         /* redo */
11656
11657         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11658
11659         undo_buffer_steps++;
11660         redo_buffer_steps--;
11661       }
11662
11663       for (x = 0; x < lev_fieldx; x++)
11664         for (y = 0; y < lev_fieldy; y++)
11665           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11666
11667       /* check if undo operation forces change of border style */
11668       CheckLevelBorderElement(FALSE);
11669
11670       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11671
11672       break;
11673
11674     case GADGET_ID_INFO:
11675       if (edit_mode != ED_MODE_INFO)
11676       {
11677         last_edit_mode = edit_mode;
11678         edit_mode = ED_MODE_INFO;
11679
11680         DrawLevelInfoWindow();
11681       }
11682       else
11683       {
11684         edit_mode = last_edit_mode;
11685
11686         DrawEditModeWindow();
11687       }
11688       break;
11689
11690     case GADGET_ID_CLEAR:
11691       if (edit_mode != ED_MODE_DRAWING)
11692       {
11693         DrawDrawingWindow();
11694         edit_mode = ED_MODE_DRAWING;
11695       }
11696
11697       for (x = 0; x < MAX_LEV_FIELDX; x++)
11698         for (y = 0; y < MAX_LEV_FIELDY; y++)
11699           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11700
11701       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11702
11703       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11704       break;
11705
11706     case GADGET_ID_SAVE:
11707     {
11708       /* saving read-only levels into personal level set modifies global vars
11709          "leveldir_current" and "level_nr"; restore them after saving level */
11710       LevelDirTree *leveldir_former = leveldir_current;
11711       int level_nr_former = level_nr;
11712       char *level_filename;
11713       boolean new_level;
11714
11715       if (leveldir_current->readonly &&
11716           !PrepareSavingIntoPersonalLevelSet())
11717         break;
11718
11719       level_filename = getDefaultLevelFilename(level_nr);
11720       new_level = !fileExists(level_filename);
11721
11722       if (new_level ||
11723           Request("Save this level and kill the old?", REQ_ASK))
11724       {
11725         if (leveldir_former->readonly)
11726           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11727
11728         CopyPlayfield(Feld, level.field);
11729         SaveLevel(level_nr);
11730
11731         level.changed = FALSE;
11732
11733         if (new_level)
11734         {
11735           char level_saved_msg[64];
11736
11737           if (leveldir_former->readonly)
11738             sprintf(level_saved_msg,
11739                     "Level saved as level %d into personal level set!",
11740                     level_nr);
11741           else
11742             strcpy(level_saved_msg, "Level saved!");
11743
11744           Request(level_saved_msg, REQ_CONFIRM);
11745         }
11746       }
11747
11748       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11749       leveldir_current = leveldir_former;
11750       level_nr = level_nr_former;
11751
11752       break;
11753     }
11754
11755     case GADGET_ID_TEST:
11756       if (LevelChanged())
11757         level.game_version = GAME_VERSION_ACTUAL;
11758
11759       CopyPlayfield(level.field, FieldBackup);
11760       CopyPlayfield(Feld, level.field);
11761
11762       CopyNativeLevel_RND_to_Native(&level);
11763
11764       UnmapLevelEditorGadgets();
11765       UndrawSpecialEditorDoor();
11766
11767       CloseDoor(DOOR_CLOSE_ALL);
11768
11769       /* needed before playing if editor playfield area has different size */
11770       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11771
11772       // redraw_mask = REDRAW_ALL;
11773
11774       level_editor_test_game = TRUE;
11775
11776       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11777
11778       break;
11779
11780     case GADGET_ID_EXIT:
11781       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11782       break;
11783
11784     default:
11785       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11786           id <= GADGET_ID_ELEMENTLIST_LAST)
11787       {
11788         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11789         int new_element = editor_elements[element_position + element_shift];
11790
11791         if (IS_EDITOR_CASCADE(new_element))
11792         {
11793           int i;
11794
11795           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11796           {
11797             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11798             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11799
11800             if (*cascade_element == new_element)
11801             {
11802               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11803               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11804
11805               /* update element selection list */
11806               ReinitializeElementList();
11807               ModifyEditorElementList();
11808
11809               /* update cascading gadget info text */
11810               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11811
11812               /* save current editor cascading state */
11813               SaveSetup_EditorCascade();
11814
11815               break;
11816             }
11817           }
11818
11819           break;
11820         }
11821
11822         if (last_custom_copy_mode != -1)
11823         {
11824           if (CopyCustomElement(properties_element, new_element,
11825                                 last_custom_copy_mode))
11826           {
11827             ClickOnGadget(level_editor_gadget[last_drawing_function],
11828                           MB_LEFTBUTTON);
11829
11830             last_custom_copy_mode = -1;
11831           }
11832
11833           break;
11834         }
11835
11836         PickDrawingElement(button, new_element);
11837
11838         if (!stick_element_properties_window &&
11839             drawing_function != GADGET_ID_PICK_ELEMENT &&
11840             !(GetKeyModState() & KMOD_Control))
11841         {
11842           properties_element = new_element;
11843           if (edit_mode == ED_MODE_PROPERTIES)
11844             DrawPropertiesWindow();
11845         }
11846
11847         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11848           ClickOnGadget(level_editor_gadget[last_drawing_function],
11849                         MB_LEFTBUTTON);
11850       }
11851 #ifdef DEBUG
11852       else if (gi->event.type == GD_EVENT_PRESSED)
11853         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11854       else if (gi->event.type == GD_EVENT_RELEASED)
11855         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11856       else if (gi->event.type == GD_EVENT_MOVING)
11857         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11858       else
11859         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11860 #endif
11861       break;
11862   }
11863 }
11864
11865 void HandleLevelEditorKeyInput(Key key)
11866 {
11867   char letter = getCharFromKey(key);
11868   int button = MB_LEFTBUTTON;
11869
11870   if (drawing_function == GADGET_ID_TEXT &&
11871       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11872   {
11873     if (letter)
11874       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11875     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11876       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11877     else if (key == KSYM_Return)
11878       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11879     else if (key == KSYM_Escape)
11880       DrawLevelText(0, 0, 0, TEXT_END);
11881   }
11882   else if (button_status == MB_RELEASED)
11883   {
11884     int id = GADGET_ID_NONE;
11885     int new_element_shift = element_shift;
11886     int i;
11887
11888     switch (key)
11889     {
11890       case KSYM_Left:
11891         id = GADGET_ID_SCROLL_LEFT;
11892         break;
11893       case KSYM_Right:
11894         id = GADGET_ID_SCROLL_RIGHT;
11895         break;
11896       case KSYM_Up:
11897         id = GADGET_ID_SCROLL_UP;
11898         break;
11899       case KSYM_Down:
11900         id = GADGET_ID_SCROLL_DOWN;
11901         break;
11902       case KSYM_Page_Up:
11903         id = GADGET_ID_SCROLL_LIST_UP;
11904         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11905         break;
11906       case KSYM_Page_Down:
11907         id = GADGET_ID_SCROLL_LIST_DOWN;
11908         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11909         break;
11910
11911       case KSYM_Home:
11912       case KSYM_End:
11913         element_shift = (key == KSYM_Home ? 0 :
11914                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11915
11916         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11917                      GDI_SCROLLBAR_ITEM_POSITION,
11918                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11919
11920         ModifyEditorElementList();
11921
11922         break;
11923
11924       case KSYM_Insert:
11925       case KSYM_Delete:
11926
11927         /* this is needed to prevent interference with running "True X-Mouse" */
11928         if (GetKeyModStateFromEvents() & KMOD_Control)
11929           break;
11930
11931         /* check for last or next editor cascade block in element list */
11932         for (i = 0; i < num_editor_elements; i++)
11933         {
11934           if ((key == KSYM_Insert && i == element_shift) ||
11935               (key == KSYM_Delete && new_element_shift > element_shift))
11936             break;
11937
11938           /* jump to next cascade block (or to start of element list) */
11939           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11940             new_element_shift = i;
11941         }
11942
11943         if (i < num_editor_elements)
11944           element_shift = new_element_shift;
11945
11946         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11947           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11948
11949         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11950                      GDI_SCROLLBAR_ITEM_POSITION,
11951                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11952
11953         ModifyEditorElementList();
11954
11955         break;
11956
11957       case KSYM_Escape:
11958         if (edit_mode == ED_MODE_DRAWING)
11959         {
11960           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11961         }
11962         else if (edit_mode == ED_MODE_INFO)
11963         {
11964           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11965         }
11966         else if (edit_mode == ED_MODE_PROPERTIES)
11967         {
11968           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11969         }
11970         else            /* should never happen */
11971         {
11972           DrawDrawingWindow();
11973           edit_mode = ED_MODE_DRAWING;
11974         }
11975
11976         break;
11977
11978       default:
11979         break;
11980     }
11981
11982     if (id != GADGET_ID_NONE)
11983       ClickOnGadget(level_editor_gadget[id], button);
11984     else if (letter >= '1' && letter <= '3')
11985       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11986     else if (letter == '?')
11987       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11988     else if (letter == '.')
11989       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11990     else if (letter == 'U')
11991       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
11992     else if (key == KSYM_KP_Subtract || letter == '-')
11993       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
11994     else if (key == KSYM_KP_0 || letter == '0')
11995       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
11996     else if (key == KSYM_KP_Add)
11997       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
11998     else if (key == KSYM_Return ||
11999              key == KSYM_space ||
12000              key == setup.shortcut.toggle_pause)
12001       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
12002     else
12003       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
12004         if (letter && letter == controlbutton_info[i].shortcut)
12005           if (!anyTextGadgetActive())
12006             ClickOnGadget(level_editor_gadget[i], button);
12007   }
12008 }
12009
12010 void HandleLevelEditorIdle()
12011 {
12012   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12013   int x = editor.settings.element_graphic.x + element_border;
12014   int y = editor.settings.element_graphic.y + element_border;
12015   static unsigned int action_delay = 0;
12016   unsigned int action_delay_value = GameFrameDelay;
12017   int i;
12018
12019   if (edit_mode != ED_MODE_PROPERTIES)
12020     return;
12021
12022   if (!DelayReached(&action_delay, action_delay_value))
12023     return;
12024
12025   for (i = 0; i < ED_NUM_SELECTBOX; i++)
12026   {
12027     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
12028
12029     if (gi->mapped && gi->active && gi->selectbox.open)
12030       return;
12031   }
12032
12033   DrawEditorElementAnimation(SX + x, SY + y);
12034
12035   redraw_mask |= REDRAW_FIELD;
12036
12037   FrameCounter++;       /* increase animation frame counter */
12038 }
12039
12040 void ClearEditorGadgetInfoText()
12041 {
12042   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
12043 }
12044
12045 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
12046 {
12047   char infotext[MAX_OUTPUT_LINESIZE + 1];
12048   char shortcut[MAX_OUTPUT_LINESIZE + 1];
12049   int max_infotext_len = getMaxInfoTextLength();
12050
12051   if (gi == NULL || gi->info_text == NULL)
12052     return;
12053
12054   strncpy(infotext, gi->info_text, max_infotext_len);
12055   infotext[max_infotext_len] = '\0';
12056
12057   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
12058   {
12059     int key = controlbutton_info[gi->custom_id].shortcut;
12060
12061     if (key)
12062     {
12063       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
12064         sprintf(shortcut, " ('.' or '%c')", key);
12065       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12066         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12067       else if (gi->custom_id == GADGET_ID_TEST)
12068         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12069       else if (gi->custom_id == GADGET_ID_UNDO)
12070         sprintf(shortcut, " ('%c/Shift-U')", key);
12071       else if (gi->custom_id == GADGET_ID_ZOOM)
12072         sprintf(shortcut, " ('%c', '0', '+')", key);
12073       else
12074         sprintf(shortcut, " ('%s%c')",
12075                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12076
12077       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12078         strcat(infotext, shortcut);
12079     }
12080   }
12081
12082   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12083 }
12084
12085 void HandleEditorGadgetInfoText(void *ptr)
12086 {
12087   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12088
12089   if (game_status != GAME_MODE_EDITOR)
12090     return;
12091
12092   ClearEditorGadgetInfoText();
12093
12094   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12095     return;
12096
12097   /* misuse this function to delete brush cursor, if needed */
12098   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12099     DeleteBrushFromCursor();
12100
12101   PrintEditorGadgetInfoText(gi);
12102 }
12103
12104 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12105 {
12106   static int start_lx, start_ly;
12107   int id = gi->custom_id;
12108   int type_id = gi->custom_type_id;
12109   int sx = gi->event.x;
12110   int sy = gi->event.y;
12111   int lx = sx + level_xpos;
12112   int ly = sy + level_ypos;
12113   int min_sx = 0, min_sy = 0;
12114   int max_sx = gi->drawing.area_xsize - 1;
12115   int max_sy = gi->drawing.area_ysize - 1;
12116   int actual_drawing_function = drawing_function;
12117   int max_infotext_len = getMaxInfoTextLength();
12118   char infotext[MAX_OUTPUT_LINESIZE + 1];
12119   char *text;
12120
12121   infotext[0] = '\0';           /* start with empty info text */
12122
12123   /* pressed Control key: simulate picking element */
12124   if (GetKeyModState() & KMOD_Control)
12125     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12126
12127   ClearEditorGadgetInfoText();
12128
12129   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12130     return;
12131
12132   /* make sure to stay inside drawing area boundaries */
12133   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12134   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12135
12136   if (id == GADGET_ID_DRAWING_LEVEL)
12137   {
12138     if (button_status)
12139     {
12140       int min_lx = 0, min_ly = 0;
12141       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12142
12143       /* get positions inside level field */
12144       lx = sx + level_xpos;
12145       ly = sy + level_ypos;
12146
12147       /* make sure to stay inside level field boundaries */
12148       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12149       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12150
12151       /* correct drawing area positions accordingly */
12152       sx = lx - level_xpos;
12153       sy = ly - level_ypos;
12154     }
12155
12156     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12157     {
12158       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12159       {
12160         if (gi->event.type == GD_EVENT_PRESSED)
12161         {
12162           start_lx = lx;
12163           start_ly = ly;
12164         }
12165
12166         switch (actual_drawing_function)
12167         {
12168           case GADGET_ID_SINGLE_ITEMS:
12169             text = "Drawing single items";
12170             break;
12171           case GADGET_ID_CONNECTED_ITEMS:
12172             text = "Drawing connected items";
12173             break;
12174           case GADGET_ID_LINE:
12175             text = "Drawing line";
12176             break;
12177           case GADGET_ID_ARC:
12178             text = "Drawing arc";
12179             break;
12180           case GADGET_ID_TEXT:
12181             text = "Setting text cursor";
12182             break;
12183           case GADGET_ID_RECTANGLE:
12184             text = "Drawing rectangle";
12185             break;
12186           case GADGET_ID_FILLED_BOX:
12187             text = "Drawing filled box";
12188             break;
12189           case GADGET_ID_FLOOD_FILL:
12190             text = "Flood fill";
12191             break;
12192           case GADGET_ID_GRAB_BRUSH:
12193             text = "Grabbing brush";
12194             break;
12195           case GADGET_ID_PICK_ELEMENT:
12196             text = "Picking element";
12197             break;
12198
12199           default:
12200             text = "Drawing position";
12201             break;
12202         }
12203
12204         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12205           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12206         else
12207           sprintf(infotext, "%s: %d, %d", text,
12208                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12209       }
12210       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12211         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12212       else
12213         sprintf(infotext, "Level position: %d, %d", lx, ly);
12214     }
12215
12216     /* misuse this function to draw brush cursor, if needed */
12217     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12218     {
12219       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12220         CopyBrushToCursor(sx, sy);
12221       else
12222         DeleteBrushFromCursor();
12223     }
12224   }
12225   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12226   {
12227     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12228     int element = drawingarea_info[type_id].value[pos];
12229
12230     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12231   }
12232   else
12233   {
12234     if (id == GADGET_ID_CUSTOM_CONTENT)
12235       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12236     else if (id == GADGET_ID_GROUP_CONTENT)
12237       sprintf(infotext, "group element position: %d", sx + 1);
12238     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12239              id <= GADGET_ID_YAMYAM_CONTENT_7)
12240       sprintf(infotext, "content area %d position: %d, %d",
12241               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12242     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12243              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12244       sprintf(infotext, "content area %d position: %d, %d",
12245               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12246     else if (id == GADGET_ID_ANDROID_CONTENT)
12247       sprintf(infotext, "android element position: %d", sx + 1);
12248     else if (drawingarea_info[type_id].infotext != NULL)
12249       strcpy(infotext, drawingarea_info[type_id].infotext);
12250   }
12251
12252   infotext[max_infotext_len] = '\0';
12253
12254   if (strlen(infotext) > 0)
12255     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12256 }
12257
12258 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12259                             boolean quick_quit)
12260 {
12261   if (!ask_if_level_has_changed ||
12262       !LevelChanged() ||
12263       Request("Level has changed! Exit without saving?",
12264               REQ_ASK | REQ_STAY_OPEN))
12265   {
12266     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
12267     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
12268
12269     /* draw normal door */
12270     UndrawSpecialEditorDoor();
12271
12272     // close editor doors if viewport definition is the same as in main menu
12273     if (vp_door_1->x      == DX     &&
12274         vp_door_1->y      == DY     &&
12275         vp_door_1->width  == DXSIZE &&
12276         vp_door_1->height == DYSIZE &&
12277         vp_door_2->x      == VX     &&
12278         vp_door_2->y      == VY     &&
12279         vp_door_2->width  == VXSIZE &&
12280         vp_door_2->height == VYSIZE)
12281       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
12282     else
12283       SetDoorState(DOOR_CLOSE_2);
12284
12285     BackToFront();
12286
12287     if (quick_quit)
12288       FadeSkipNextFadeIn();
12289
12290     SetGameStatus(GAME_MODE_MAIN);
12291
12292     DrawMainMenu();
12293   }
12294   else
12295   {
12296     if (!global.use_envelope_request)
12297     {
12298       CloseDoor(DOOR_CLOSE_1);
12299       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12300     }
12301   }
12302 }