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        (graphic_info[IMG_BORDER_2].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_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 18)
 594 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 19)
 595 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 20)
 596 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 21)
 597 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 22)
 598 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 23)
 599 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 24)
 600 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 25)
 601 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 26)
 602 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 27)
 603 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 604 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 29)
 605 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 30)
 606 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 31)
 607 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 32)
 608 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 33)
 609 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 34)
 610 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 35)
 611 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 36)
 612 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 37)
 613 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 38)
 614 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 39)
 615 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 40)
 616 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 41)
 617 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 42)
 618 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 43)
 619 #define GADGET_ID_CUSTOM_USE_TEMPLATE   (GADGET_ID_CHECKBUTTON_FIRST + 44)
 620 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 45)
 621 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 46)
 622 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 47)
 623 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 48)
 624 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 49)
 625 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 50)
 626 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 51)
 627 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 52)
 628 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 53)
 629
 630 /* gadgets for buttons in element list */
 631 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 54)
 632 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 633                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 634
 635 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 636
 637 /* radio button numbers */
 638 #define RADIO_NR_NONE                   0
 639 #define RADIO_NR_DRAWING_TOOLBOX        1
 640 #define RADIO_NR_RANDOM_ELEMENTS        2
 641
 642 /* values for counter gadgets */
 643 #define ED_COUNTER_ID_SELECT_LEVEL      0
 644 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 645 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 646 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 647 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 648 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 649 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 650 #define ED_COUNTER_ID_LEVEL_RANDOM      7
 651 #define ED_COUNTER_ID_ELEMENT_VALUE1    8
 652 #define ED_COUNTER_ID_ELEMENT_VALUE2    9
 653 #define ED_COUNTER_ID_ELEMENT_VALUE3    10
 654 #define ED_COUNTER_ID_ELEMENT_VALUE4    11
 655 #define ED_COUNTER_ID_YAMYAM_CONTENT    12
 656 #define ED_COUNTER_ID_BALL_CONTENT      13
 657 #define ED_COUNTER_ID_ANDROID_CONTENT   14
 658 #define ED_COUNTER_ID_ENVELOPE_XSIZE    15
 659 #define ED_COUNTER_ID_ENVELOPE_YSIZE    16
 660 #define ED_COUNTER_ID_INVENTORY_SIZE    17
 661 #define ED_COUNTER_ID_CUSTOM_SCORE      18
 662 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   19
 663 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  20
 664 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  21
 665 #define ED_COUNTER_ID_PUSH_DELAY_FIX    22
 666 #define ED_COUNTER_ID_PUSH_DELAY_RND    23
 667 #define ED_COUNTER_ID_DROP_DELAY_FIX    24
 668 #define ED_COUNTER_ID_DROP_DELAY_RND    25
 669 #define ED_COUNTER_ID_MOVE_DELAY_FIX    26
 670 #define ED_COUNTER_ID_MOVE_DELAY_RND    27
 671 #define ED_COUNTER_ID_EXPLOSION_DELAY   28
 672 #define ED_COUNTER_ID_IGNITION_DELAY    29
 673 #define ED_COUNTER_ID_GROUP_CONTENT     30
 674 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  31
 675 #define ED_COUNTER_ID_CHANGE_DELAY_RND  32
 676 #define ED_COUNTER_ID_CHANGE_CONT_RND   33
 677
 678 #define ED_NUM_COUNTERBUTTONS           34
 679
 680 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 681 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 682 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 683 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 684
 685 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 686 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 687 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 688 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 689 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 690 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 691
 692 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 693 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 694
 695 /* values for scrollbutton gadgets */
 696 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 697 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 698 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 699 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 700 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 701 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 702
 703 #define ED_NUM_SCROLLBUTTONS            6
 704
 705 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 706 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 707
 708 /* values for scrollbar gadgets */
 709 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 710 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 711 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 712
 713 #define ED_NUM_SCROLLBARS               3
 714
 715 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 716 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 717
 718 /* values for text input gadgets */
 719 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 720 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 721 #define ED_TEXTINPUT_ID_ELEMENT_NAME    2
 722
 723 #define ED_NUM_TEXTINPUT                3
 724
 725 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 726 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 727
 728 /* values for text area gadgets */
 729 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 730
 731 #define ED_NUM_TEXTAREAS                        1
 732
 733 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 734 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 735
 736 /* values for selectbox gadgets */
 737 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 738 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 739 #define ED_SELECTBOX_ID_WIND_DIRECTION          2
 740 #define ED_SELECTBOX_ID_PLAYER_SPEED            3
 741 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      4
 742 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     5
 743 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 6
 744 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 7
 745 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   8
 746 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     9
 747 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   10
 748 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    11
 749 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  12
 750 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    13
 751 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    14
 752 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       15
 753 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   16
 754 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       17
 755 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    18
 756 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     19
 757 #define ED_SELECTBOX_ID_CHANGE_SIDE             20
 758 #define ED_SELECTBOX_ID_CHANGE_PLAYER           21
 759 #define ED_SELECTBOX_ID_CHANGE_PAGE             22
 760 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     23
 761 #define ED_SELECTBOX_ID_ACTION_TYPE             24
 762 #define ED_SELECTBOX_ID_ACTION_MODE             25
 763 #define ED_SELECTBOX_ID_ACTION_ARG              26
 764 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      27
 765 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       28
 766
 767 #define ED_NUM_SELECTBOX                        29
 768
 769 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 770 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_WIND_DIRECTION
 771
 772 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 773 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 774 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 775 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 776 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 777 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 778
 779 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 780 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 781
 782 /* values for textbutton gadgets */
 783 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 784 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       1
 785 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        2
 786 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      3
 787 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    4
 788 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    5
 789 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      6
 790 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE       7
 791 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        8
 792 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        9
 793
 794 #define ED_NUM_TEXTBUTTONS                      10
 795
 796 #define ED_TEXTBUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 797 #define ED_TEXTBUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 798
 799 #define ED_TEXTBUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 800 #define ED_TEXTBUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 801
 802 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 803 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 804
 805 /* values for graphicbutton gadgets */
 806 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 807 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 808 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 809 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 810
 811 #define ED_NUM_GRAPHICBUTTONS                   4
 812
 813 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 814 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 815
 816 /* values for checkbutton gadgets */
 817 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     0
 818 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         1
 819 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      2
 820 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   3
 821 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        4
 822 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      5
 823 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   6
 824 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    7
 825 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    8
 826 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     9
 827 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   10
 828 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      11
 829 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      12
 830 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   13
 831 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    14
 832 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    15
 833 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     16
 834 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   17
 835 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 18
 836 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       19
 837 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 20
 838 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  21
 839 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    22
 840 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    23
 841 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     24
 842 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     25
 843 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     26
 844 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    27
 845 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE   28
 846 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     29
 847 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 30
 848 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 31
 849 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 32
 850 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 33
 851 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       34
 852 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       35
 853 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      36
 854 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       37
 855 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         38
 856 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    39
 857 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   40
 858 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  41
 859 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 42
 860 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     43
 861 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          44
 862 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  45
 863 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   46
 864 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  47
 865 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    48
 866 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  49
 867 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     50
 868 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     51
 869
 870 #define ED_NUM_CHECKBUTTONS                     52
 871
 872 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 873 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 874
 875 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 876 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 877 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 878 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 879 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 880 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 881
 882 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 883 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 884
 885 /* values for radiobutton gadgets */
 886 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 887 #define ED_RADIOBUTTON_ID_QUANTITY      1
 888
 889 #define ED_NUM_RADIOBUTTONS             2
 890
 891 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 892 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 893
 894 /* values for drawing area gadgets */
 895 #define ED_DRAWING_ID_DRAWING_LEVEL             0
 896 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
 897 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
 898 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
 899 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
 900 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
 901 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
 902 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
 903 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
 904 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
 905 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
 906 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
 907 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
 908 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
 909 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
 910 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
 911 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
 912 #define ED_DRAWING_ID_ANDROID_CONTENT           17
 913 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
 914 #define ED_DRAWING_ID_START_ELEMENT             19
 915 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
 916 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
 917 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
 918 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
 919 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
 920 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
 921 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
 922 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
 923 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
 924 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
 925 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
 926 #define ED_DRAWING_ID_GROUP_CONTENT             31
 927 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
 928
 929 #define ED_NUM_DRAWING_AREAS                    33
 930
 931
 932 /*
 933   -----------------------------------------------------------------------------
 934   some internally used definitions
 935   -----------------------------------------------------------------------------
 936 */
 937
 938 /* values for CopyLevelToUndoBuffer() */
 939 #define UNDO_IMMEDIATE                  0
 940 #define UNDO_ACCUMULATE                 1
 941
 942 /* values for scrollbars */
 943 #define ED_SCROLL_NO                    0
 944 #define ED_SCROLL_LEFT                  1
 945 #define ED_SCROLL_RIGHT                 2
 946 #define ED_SCROLL_UP                    4
 947 #define ED_SCROLL_DOWN                  8
 948
 949 /* screens in the level editor */
 950 #define ED_MODE_DRAWING                 0
 951 #define ED_MODE_INFO                    1
 952 #define ED_MODE_PROPERTIES              2
 953
 954 /* sub-screens in the global settings section */
 955 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 956 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 957
 958 /* sub-screens in the element properties section */
 959 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
 960 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
 961 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
 962 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
 963 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 964
 965 /* how many steps can be cancelled */
 966 #define NUM_UNDO_STEPS                  (64 + 1)
 967
 968 /* values for elements with score for certain actions */
 969 #define MIN_SCORE                       0
 970 #define MAX_SCORE                       999
 971
 972 /* values for elements with count for collecting */
 973 #define MIN_COLLECT_COUNT               0
 974 #define MAX_COLLECT_COUNT               999
 975
 976 /* values for random placement */
 977 #define RANDOM_USE_PERCENTAGE           0
 978 #define RANDOM_USE_QUANTITY             1
 979
 980 /* default value for element tile size in drawing area */
 981 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
 982
 983
 984 /*
 985   -----------------------------------------------------------------------------
 986   some internally used data structure definitions
 987   -----------------------------------------------------------------------------
 988 */
 989
 990 static struct
 991 {
 992   int graphic;
 993   int gadget_id;
 994   struct XY *pos;
 995   int gadget_type;
 996   char *infotext;
 997   char shortcut;
 998 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
 999 {
1000   /* note: some additional characters are already reserved for "cheat mode"
1001      shortcuts (":XYZ" style) -- for details, see "events.c" */
1002
1003   /* ---------- toolbox control buttons ------------------------------------ */
1004
1005   {
1006     IMG_EDITOR_BUTTON_GFX_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1007     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1008     "draw single items",                        's'
1009   },
1010   {
1011     IMG_EDITOR_BUTTON_GFX_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1012     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1013     "draw connected items",                     'd'
1014   },
1015   {
1016     IMG_EDITOR_BUTTON_GFX_DRAW_LINE,            GADGET_ID_LINE,
1017     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1018     "draw lines",                               'l'
1019   },
1020   {
1021     IMG_EDITOR_BUTTON_GFX_DRAW_ARC,             GADGET_ID_ARC,
1022     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1023     "draw arcs",                                'a'
1024   },
1025   {
1026     IMG_EDITOR_BUTTON_GFX_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1027     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1028     "draw outline rectangles",                  'r'
1029   },
1030   {
1031     IMG_EDITOR_BUTTON_GFX_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1032     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1033     "draw filled rectangles",                   'R'
1034   },
1035   {
1036     IMG_EDITOR_BUTTON_GFX_ROTATE_UP,            GADGET_ID_WRAP_UP,
1037     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1038     "wrap (rotate) level up",                   0
1039   },
1040   {
1041     IMG_EDITOR_BUTTON_GFX_DRAW_TEXT,            GADGET_ID_TEXT,
1042     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1043     "enter text elements",                      't'
1044   },
1045   {
1046     IMG_EDITOR_BUTTON_GFX_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1047     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1048     "flood fill",                               'f'
1049   },
1050   {
1051     IMG_EDITOR_BUTTON_GFX_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1052     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1053     "wrap (rotate) level left",                 0
1054   },
1055   {
1056     IMG_EDITOR_BUTTON_GFX_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1057     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1058     "zoom level tile size",                     '+'
1059   },
1060   {
1061     IMG_EDITOR_BUTTON_GFX_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1062     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1063     "wrap (rotate) level right",                0
1064   },
1065   {
1066     IMG_EDITOR_BUTTON_GFX_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1067     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1068     "random element placement",                 0
1069   },
1070   {
1071     IMG_EDITOR_BUTTON_GFX_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1072     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1073     "grab brush",                               'b'
1074   },
1075   {
1076     IMG_EDITOR_BUTTON_GFX_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1077     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1078     "wrap (rotate) level down",                 0
1079   },
1080   {
1081     IMG_EDITOR_BUTTON_GFX_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1082     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1083     "pick drawing element",                     ','
1084   },
1085
1086   /* ---------- level control buttons -------------------------------------- */
1087
1088   {
1089     IMG_EDITOR_BUTTON_GFX_UNDO,                 GADGET_ID_UNDO,
1090     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1091     "undo/redo last operation",                 'u'
1092   },
1093   {
1094     IMG_EDITOR_BUTTON_GFX_CONF,                 GADGET_ID_INFO,
1095     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1096     "properties of level",                      'I'
1097   },
1098   {
1099     IMG_EDITOR_BUTTON_GFX_SAVE,                 GADGET_ID_SAVE,
1100     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1101     "save level",                               'S'
1102   },
1103   {
1104     IMG_EDITOR_BUTTON_GFX_CLEAR,                GADGET_ID_CLEAR,
1105     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1106     "clear level",                              'C'
1107   },
1108   {
1109     IMG_EDITOR_BUTTON_GFX_TEST,                 GADGET_ID_TEST,
1110     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1111     "test level",                               'T'
1112   },
1113   {
1114     IMG_EDITOR_BUTTON_GFX_EXIT,                 GADGET_ID_EXIT,
1115     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1116     "exit level editor",                        'E'
1117   },
1118
1119   /* ---------- CE and GE control buttons ---------------------------------- */
1120
1121   {
1122     IMG_EDITOR_BUTTON_GFX_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1123     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1124     "copy settings from other element",         0
1125   },
1126   {
1127     IMG_EDITOR_BUTTON_GFX_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1128     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1129     "copy settings to other element",           0
1130   },
1131   {
1132     IMG_EDITOR_BUTTON_GFX_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1133     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1134     "exchange element with other element",      0
1135   },
1136   {
1137     IMG_EDITOR_BUTTON_GFX_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1138     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1139     "copy settings from this element",          0
1140   },
1141   {
1142     IMG_EDITOR_BUTTON_GFX_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1143     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1144     "paste settings to this element",           0
1145   },
1146
1147   /* ---------- palette control buttons ------------------------------------ */
1148
1149   {
1150     IMG_EDITOR_BUTTON_GFX_PROPERTIES,           GADGET_ID_PROPERTIES,
1151     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1152     "properties of drawing element",            'p'
1153   }
1154 };
1155
1156 static int random_placement_value = 10;
1157 static int random_placement_method = RANDOM_USE_QUANTITY;
1158 static int random_placement_background_element = EL_SAND;
1159 static boolean random_placement_background_restricted = FALSE;
1160 static boolean stick_element_properties_window = FALSE;
1161 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1162 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1163 static struct ElementChangeInfo custom_element_change;
1164 static struct ElementGroupInfo group_element_info;
1165 static struct ElementInfo custom_element;
1166
1167 static struct
1168 {
1169   int x, y;
1170   int min_value, max_value;
1171   int gadget_id_down, gadget_id_up;
1172   int gadget_id_text;
1173   int gadget_id_align;
1174   int *value;
1175   char *text_above, *text_left, *text_right;
1176 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1177 {
1178   /* ---------- current level number --------------------------------------- */
1179
1180   {
1181     -1, -1,     /* these values are not constant, but can change at runtime */
1182     1,                                  100,
1183     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1184     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1185     &level_nr,
1186     NULL,                               NULL, NULL
1187   },
1188
1189   /* ---------- level and editor settings ---------------------------------- */
1190
1191   {
1192     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1193     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1194     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1195     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1196     &level.fieldx,
1197     "playfield size:",                  NULL, "width",
1198   },
1199   {
1200     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1201     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1202     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1203     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1204     &level.fieldy,
1205     NULL,                               " ", "height",
1206   },
1207   {
1208     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1209     0,                                  999,
1210     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1211     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1212     &level.gems_needed,
1213     NULL,                               "number of gems to collect:", NULL
1214   },
1215   {
1216     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
1217     0,                                  9999,
1218     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1219     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1220     &level.time,
1221     "time or step limit to solve level:", NULL, NULL
1222   },
1223   {
1224     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
1225     0,                                  999,
1226     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1227     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1228     &level.score[SC_TIME_BONUS],
1229     "score for each second/step left:", NULL, NULL
1230   },
1231   {
1232     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1233     0,                                  9999,
1234     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1235     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1236     &level.random_seed,
1237     NULL,                               "random seed:", "(0 => random)"
1238   },
1239   {
1240     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1241     1,                                  100,
1242     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1243     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1244     &random_placement_value,
1245     "random element placement:",        NULL, "in"
1246   },
1247
1248   /* ---------- element settings: configure (various elements) ------------- */
1249
1250   {
1251     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1252     MIN_SCORE,                          MAX_SCORE,
1253     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1254     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1255     NULL,                               /* will be set when used */
1256     NULL,                               NULL, NULL
1257   },
1258   {
1259     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1260     MIN_SCORE,                          MAX_SCORE,
1261     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1262     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1263     NULL,                               /* will be set when used */
1264     NULL,                               NULL, NULL
1265   },
1266   {
1267     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1268     MIN_SCORE,                          MAX_SCORE,
1269     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1270     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1271     NULL,                               /* will be set when used */
1272     NULL,                               NULL, NULL
1273   },
1274   {
1275     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1276     MIN_SCORE,                          MAX_SCORE,
1277     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1278     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1279     NULL,                               /* will be set when used */
1280     NULL,                               NULL, NULL
1281   },
1282   {
1283     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1284     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1285     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1286     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1287     &level.num_yamyam_contents,
1288     NULL,                               NULL, "number of content areas"
1289   },
1290   {
1291     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1292     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1293     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1294     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1295     &level.num_ball_contents,
1296     NULL,                               NULL, "number of content areas"
1297   },
1298   {
1299     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1300     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1301     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1302     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1303     &level.num_android_clone_elements,
1304     NULL,                               NULL, "number of clonable elements"
1305   },
1306   {
1307     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1308     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1309     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1310     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1311     NULL,                               /* will be set when used */
1312     NULL,                               NULL, "width",
1313   },
1314   {
1315     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1316     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1317     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1318     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1319     NULL,                               /* will be set when used */
1320     NULL,                               " ", "height",
1321   },
1322   {
1323     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1324     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1325     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1326     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1327     &level.initial_inventory_size[0],
1328     NULL,                               NULL, "number of inventory elements"
1329   },
1330
1331   /* ---------- element settings: configure 1 (custom elements) ------------ */
1332
1333   {
1334     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1335     MIN_SCORE,                          MAX_SCORE,
1336     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1337     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1338     &custom_element.collect_score_initial,
1339     NULL,                               "CE score", " "
1340   },
1341   {
1342     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1343     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1344     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1345     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1346     &custom_element.collect_count_initial,
1347     NULL,                               "CE count", NULL
1348   },
1349   {
1350     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1351     0,                                  9999,
1352     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1353     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1354     &custom_element.ce_value_fixed_initial,
1355     NULL,                               "CE value", NULL
1356   },
1357   {
1358     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1359     0,                                  9999,
1360     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1361     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1362     &custom_element.ce_value_random_initial,
1363     NULL,                               "+random", NULL
1364   },
1365   {
1366     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1367     0,                                  999,
1368     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1369     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1370     &custom_element.push_delay_fixed,
1371     NULL,                               "push delay", NULL
1372   },
1373   {
1374     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1375     0,                                  999,
1376     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1377     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1378     &custom_element.push_delay_random,
1379     NULL,                               "+random", NULL
1380   },
1381   {
1382     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1383     0,                                  999,
1384     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1385     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1386     &custom_element.drop_delay_fixed,
1387     NULL,                               "drop delay", NULL
1388   },
1389   {
1390     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1391     0,                                  999,
1392     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1393     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1394     &custom_element.drop_delay_random,
1395     NULL,                               "+random", NULL
1396   },
1397
1398   /* ---------- element settings: configure 2 (custom elements) ------------ */
1399
1400   {
1401     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1402     0,                                  999,
1403     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1404     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1405     &custom_element.move_delay_fixed,
1406     NULL,                               "move delay", NULL
1407   },
1408   {
1409     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1410     0,                                  999,
1411     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1412     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1413     &custom_element.move_delay_random,
1414     NULL,                               "+random", NULL
1415   },
1416   {
1417     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1418     0,                                  999,
1419     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1420     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1421     &custom_element.explosion_delay,
1422     NULL,                               "explosion delay", NULL
1423   },
1424   {
1425     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1426     0,                                  999,
1427     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1428     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1429     &custom_element.ignition_delay,
1430     NULL,                               "ignition delay", "(by fire)"
1431   },
1432
1433   /* ---------- element settings: configure (group elements) --------------- */
1434
1435   {
1436     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1437     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1438     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1439     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1440     &group_element_info.num_elements,
1441     NULL,                               NULL, "number of elements in group"
1442   },
1443
1444   /* ---------- element settings: advanced (custom elements) --------------- */
1445
1446   {
1447     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1448     0,                                  999,
1449     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1450     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1451     &custom_element_change.delay_fixed,
1452     NULL,                               "CE delay", NULL,
1453   },
1454   {
1455     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1456     0,                                  999,
1457     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1458     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1459     &custom_element_change.delay_random,
1460     NULL,                               "+random", NULL
1461   },
1462   {
1463     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1464     0,                                  100,
1465     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1466     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1467     &custom_element_change.random_percentage,
1468     NULL,                               "use random replace:", "%"
1469   },
1470 };
1471
1472 static struct
1473 {
1474   int x, y;
1475   int gadget_id;
1476   int size;
1477   char *value;
1478   char *text_above, *infotext;
1479 } textinput_info[ED_NUM_TEXTINPUT] =
1480 {
1481   {
1482     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1483     GADGET_ID_LEVEL_NAME,
1484     MAX_LEVEL_NAME_LEN,
1485     level.name,
1486     "Title:", "Title"
1487   },
1488   {
1489     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1490     GADGET_ID_LEVEL_AUTHOR,
1491     MAX_LEVEL_AUTHOR_LEN,
1492     level.author,
1493     "Author:", "Author"
1494   },
1495   {
1496     -1, -1,     /* these values are not constant, but can change at runtime */
1497     GADGET_ID_ELEMENT_NAME,
1498     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1499     custom_element.description,
1500     NULL, "Element name"
1501   }
1502 };
1503
1504 static struct
1505 {
1506   int x, y;
1507   int gadget_id;
1508   int xsize, ysize;
1509   char *value;
1510   char *text_above, *infotext;
1511 } textarea_info[ED_NUM_TEXTAREAS] =
1512 {
1513   {
1514     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1515     GADGET_ID_ENVELOPE_INFO,
1516     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1517     NULL,
1518     "Envelope Content:", "Envelope Content"
1519   }
1520 };
1521
1522 static struct ValueTextInfo options_time_or_steps[] =
1523 {
1524   { 0,                          "seconds"                       },
1525   { 1,                          "steps"                         },
1526
1527   { -1,                         NULL                            }
1528 };
1529
1530 static struct ValueTextInfo options_game_engine_type[] =
1531 {
1532   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1533   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1534   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1535
1536   { -1,                         NULL                            }
1537 };
1538
1539 static struct ValueTextInfo options_wind_direction[] =
1540 {
1541   { MV_START_NONE,              "none"                          },
1542   { MV_START_LEFT,              "left"                          },
1543   { MV_START_RIGHT,             "right"                         },
1544   { MV_START_UP,                "up"                            },
1545   { MV_START_DOWN,              "down"                          },
1546
1547   { -1,                         NULL                            }
1548 };
1549
1550 static struct ValueTextInfo options_player_speed[] =
1551 {
1552   { 0,                          "frozen"                        },
1553   { 1,                          "very slow"                     },
1554   { 2,                          "slow"                          },
1555   { 4,                          "normal"                        },
1556   { 8,                          "fast"                          },
1557   { 16,                         "very fast"                     },
1558   { 32,                         "ultrafast"                     },
1559
1560   { -1,                         NULL                            }
1561 };
1562
1563 static struct ValueTextInfo options_access_type[] =
1564 {
1565   { EP_WALKABLE,                "walkable"                      },
1566   { EP_PASSABLE,                "passable"                      },
1567
1568   { -1,                         NULL                            }
1569 };
1570
1571 static struct ValueTextInfo options_access_layer[] =
1572 {
1573   { EP_ACCESSIBLE_OVER,         "over"                          },
1574   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1575   { EP_ACCESSIBLE_UNDER,        "under"                         },
1576
1577   { -1,                         NULL                            }
1578 };
1579
1580 static struct ValueTextInfo options_access_protected[] =
1581 {
1582   { 0,                          "unprotected"                   },
1583   { 1,                          "protected"                     },
1584
1585   { -1,                         NULL                            }
1586 };
1587
1588 static struct ValueTextInfo options_access_direction[] =
1589 {
1590   { MV_NO_DIRECTION,            "no direction"                  },
1591   { MV_LEFT,                    "left"                          },
1592   { MV_RIGHT,                   "right"                         },
1593   { MV_UP,                      "up"                            },
1594   { MV_DOWN,                    "down"                          },
1595   { MV_LEFT  | MV_UP,           "left + up"                     },
1596   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1597   { MV_RIGHT | MV_UP,           "right + up"                    },
1598   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1599   { MV_HORIZONTAL,              "horizontal"                    },
1600   { MV_VERTICAL,                "vertical"                      },
1601   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1602   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1603   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1604   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1605   { MV_ALL_DIRECTIONS,          "all directions"                },
1606
1607   { -1,                         NULL                            }
1608 };
1609
1610 static struct ValueTextInfo options_walk_to_action[] =
1611 {
1612   { EP_DIGGABLE,                "diggable"                      },
1613   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1614   { EP_DROPPABLE,               "collectible & droppable"       },
1615   { EP_THROWABLE,               "collectible & throwable"       },
1616   { EP_PUSHABLE,                "pushable"                      },
1617
1618   { -1,                         NULL                            }
1619 };
1620
1621 static struct ValueTextInfo options_move_pattern[] =
1622 {
1623   { MV_LEFT,                    "left"                          },
1624   { MV_RIGHT,                   "right"                         },
1625   { MV_UP,                      "up"                            },
1626   { MV_DOWN,                    "down"                          },
1627   { MV_HORIZONTAL,              "horizontal"                    },
1628   { MV_VERTICAL,                "vertical"                      },
1629   { MV_ALL_DIRECTIONS,          "all directions"                },
1630   { MV_WIND_DIRECTION,          "wind direction"                },
1631   { MV_TOWARDS_PLAYER,          "towards player"                },
1632   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1633   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1634   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1635   { MV_TURNING_LEFT,            "turning left"                  },
1636   { MV_TURNING_RIGHT,           "turning right"                 },
1637   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1638   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1639   { MV_TURNING_RANDOM,          "turning random"                },
1640   { MV_MAZE_RUNNER,             "maze runner style"             },
1641   { MV_MAZE_HUNTER,             "maze hunter style"             },
1642   { MV_WHEN_PUSHED,             "when pushed"                   },
1643   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1644
1645   { -1,                         NULL                            }
1646 };
1647
1648 static struct ValueTextInfo options_move_direction[] =
1649 {
1650   { MV_START_AUTOMATIC,         "automatic"                     },
1651   { MV_START_LEFT,              "left"                          },
1652   { MV_START_RIGHT,             "right"                         },
1653   { MV_START_UP,                "up"                            },
1654   { MV_START_DOWN,              "down"                          },
1655   { MV_START_RANDOM,            "random"                        },
1656   { MV_START_PREVIOUS,          "previous"                      },
1657
1658   { -1,                         NULL                            }
1659 };
1660
1661 static struct ValueTextInfo options_move_stepsize[] =
1662 {
1663   { 0,                          "not moving"                    },
1664   { 1,                          "very slow"                     },
1665   { 2,                          "slow"                          },
1666   { 4,                          "normal"                        },
1667   { 8,                          "fast"                          },
1668   { 16,                         "very fast"                     },
1669   { 32,                         "even faster"                   },
1670
1671   { -1,                         NULL                            }
1672 };
1673
1674 static struct ValueTextInfo options_move_leave_type[] =
1675 {
1676   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1677   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1678
1679   { -1,                         NULL                            }
1680 };
1681
1682 static struct ValueTextInfo options_smash_targets[] =
1683 {
1684   { EP_CAN_SMASH_PLAYER,        "player"                        },
1685 #if 0
1686   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1687 #endif
1688   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1689
1690   { -1,                         NULL                            }
1691 };
1692
1693 static struct ValueTextInfo options_slippery_type[] =
1694 {
1695   { SLIPPERY_ANY_RANDOM,        "random"                        },
1696   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1697   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1698   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1699   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1700
1701   { -1,                         NULL                            }
1702 };
1703
1704 static struct ValueTextInfo options_deadliness[] =
1705 {
1706   { EP_DONT_RUN_INTO,           "running into"                  },
1707   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1708   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1709   { EP_DONT_TOUCH,              "touching"                      },
1710
1711   { -1,                         NULL                            }
1712 };
1713
1714 static struct ValueTextInfo options_explosion_type[] =
1715 {
1716   { EXPLODES_3X3,               "3x3"                           },
1717   { EXPLODES_CROSS,             "3+3"                           },
1718   { EXPLODES_1X1,               "1x1"                           },
1719
1720   { -1,                         NULL                            }
1721 };
1722
1723 static struct ValueTextInfo options_time_units[] =
1724 {
1725   { 1,                          "frames"                        },
1726   { FRAMES_PER_SECOND,          "seconds"                       },
1727
1728   { -1,                         NULL                            }
1729 };
1730
1731 static struct ValueTextInfo options_change_direct_action[] =
1732 {
1733   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1734   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1735   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1736   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1737   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1738   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1739   { CE_LEFT_BY_PLAYER,          "left by player"                },
1740   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1741   { CE_SWITCHED,                "switched"                      },
1742   { CE_HITTING_SOMETHING,       "hitting something"             },
1743   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1744 #if 0
1745   { CE_BLOCKED,                 "blocked"                       },
1746 #endif
1747   { CE_IMPACT,                  "impact (on something)"         },
1748   { CE_SMASHED,                 "smashed (from above)"          },
1749 #if 0
1750   { CE_VALUE_CHANGES,           "CE value changes"              },
1751   { CE_SCORE_CHANGES,           "CE score changes"              },
1752 #endif
1753   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1754   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1755
1756   { -1,                         NULL                            }
1757 };
1758
1759 static struct ValueTextInfo options_change_other_action[] =
1760 {
1761   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1762   { CE_PLAYER_PRESSES_X,        "player presses"                },
1763   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1764   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1765   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1766   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1767   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1768   { CE_PLAYER_DIGS_X,           "player digs"                   },
1769   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1770   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1771   { CE_TOUCHING_X,              "touching"                      },
1772   { CE_HITTING_X,               "hitting"                       },
1773   { CE_DIGGING_X,               "digging"                       },
1774   { CE_HIT_BY_X,                "hit by"                        },
1775   { CE_SWITCH_OF_X,             "switch of"                     },
1776   { CE_CHANGE_OF_X,             "change by page of"             },
1777   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1778   { CE_MOVE_OF_X,               "move of"                       },
1779   { CE_CREATION_OF_X,           "creation of"                   },
1780   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1781   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1782   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1783   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1784
1785   { -1,                         NULL                            }
1786 };
1787
1788 static struct ValueTextInfo options_change_trigger_side[] =
1789 {
1790   { CH_SIDE_LEFT,               "left"                          },
1791   { CH_SIDE_RIGHT,              "right"                         },
1792   { CH_SIDE_TOP,                "top"                           },
1793   { CH_SIDE_BOTTOM,             "bottom"                        },
1794   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1795   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1796   { CH_SIDE_ANY,                "any"                           },
1797
1798   { -1,                         NULL                            }
1799 };
1800
1801 static struct ValueTextInfo options_change_trigger_player[] =
1802 {
1803   { CH_PLAYER_1,                "1"                             },
1804   { CH_PLAYER_2,                "2"                             },
1805   { CH_PLAYER_3,                "3"                             },
1806   { CH_PLAYER_4,                "4"                             },
1807   { CH_PLAYER_ANY,              "any"                           },
1808
1809   { -1,                         NULL                            }
1810 };
1811
1812 static struct ValueTextInfo options_change_trigger_page[] =
1813 {
1814   { (1 << 0),                   "1"                             },
1815   { (1 << 1),                   "2"                             },
1816   { (1 << 2),                   "3"                             },
1817   { (1 << 3),                   "4"                             },
1818   { (1 << 4),                   "5"                             },
1819   { (1 << 5),                   "6"                             },
1820   { (1 << 6),                   "7"                             },
1821   { (1 << 7),                   "8"                             },
1822   { (1 << 8),                   "9"                             },
1823   { (1 << 9),                   "10"                            },
1824   { (1 << 10),                  "11"                            },
1825   { (1 << 11),                  "12"                            },
1826   { (1 << 12),                  "13"                            },
1827   { (1 << 13),                  "14"                            },
1828   { (1 << 14),                  "15"                            },
1829   { (1 << 15),                  "16"                            },
1830   { (1 << 16),                  "17"                            },
1831   { (1 << 17),                  "18"                            },
1832   { (1 << 18),                  "19"                            },
1833   { (1 << 19),                  "20"                            },
1834   { (1 << 20),                  "21"                            },
1835   { (1 << 21),                  "22"                            },
1836   { (1 << 22),                  "23"                            },
1837   { (1 << 23),                  "24"                            },
1838   { (1 << 24),                  "25"                            },
1839   { (1 << 25),                  "26"                            },
1840   { (1 << 26),                  "27"                            },
1841   { (1 << 27),                  "28"                            },
1842   { (1 << 28),                  "29"                            },
1843   { (1 << 29),                  "30"                            },
1844   { (1 << 30),                  "31"                            },
1845   { (1 << 31),                  "32"                            },
1846   { CH_PAGE_ANY,                "any"                           },
1847
1848   { -1,                         NULL                            }
1849 };
1850
1851 static struct ValueTextInfo options_change_replace_when[] =
1852 {
1853   { CP_WHEN_EMPTY,              "empty"                         },
1854   { CP_WHEN_WALKABLE,           "walkable"                      },
1855   { CP_WHEN_DIGGABLE,           "diggable"                      },
1856   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
1857   { CP_WHEN_REMOVABLE,          "removable"                     },
1858   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
1859
1860   { -1,                         NULL                            }
1861 };
1862
1863 static struct ValueTextInfo options_action_type[] =
1864 {
1865   { CA_NO_ACTION,               "no action"                     },
1866   { CA_UNDEFINED,               " "                             },
1867   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
1868   { CA_RESTART_LEVEL,           "restart level"                 },
1869   { CA_SHOW_ENVELOPE,           "show envelope"                 },
1870   { CA_SET_LEVEL_TIME,          "set time"                      },
1871   { CA_SET_LEVEL_SCORE,         "set score"                     },
1872   { CA_SET_LEVEL_GEMS,          "set gems"                      },
1873   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
1874   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
1875   { CA_UNDEFINED,               " "                             },
1876   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
1877   { CA_MOVE_PLAYER,             "move player"                   },
1878   { CA_EXIT_PLAYER,             "exit player"                   },
1879   { CA_KILL_PLAYER,             "kill player"                   },
1880   { CA_SET_PLAYER_KEYS,         "set keys"                      },
1881   { CA_SET_PLAYER_SPEED,        "set speed"                     },
1882   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
1883   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
1884   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
1885   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
1886   { CA_UNDEFINED,               " "                             },
1887   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
1888   { CA_SET_CE_VALUE,            "set CE value"                  },
1889   { CA_SET_CE_SCORE,            "set CE score"                  },
1890   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
1891   { CA_UNDEFINED,               " "                             },
1892   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
1893   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
1894
1895   { -1,                         NULL                            }
1896 };
1897
1898 static struct ValueTextInfo options_action_mode_none[] =
1899 {
1900   { CA_MODE_UNDEFINED,          " "                             },
1901
1902   { -1,                         NULL                            }
1903 };
1904
1905 static struct ValueTextInfo options_action_mode_assign[] =
1906 {
1907   { CA_MODE_SET,                "="                             },
1908
1909   { -1,                         NULL                            }
1910 };
1911
1912 static struct ValueTextInfo options_action_mode_add_remove[] =
1913 {
1914   { CA_MODE_ADD,                "+"                             },
1915   { CA_MODE_SUBTRACT,           "-"                             },
1916
1917   { -1,                         NULL                            }
1918 };
1919
1920 static struct ValueTextInfo options_action_mode_calculate[] =
1921 {
1922   { CA_MODE_SET,                "="                             },
1923   { CA_MODE_ADD,                "+"                             },
1924   { CA_MODE_SUBTRACT,           "-"                             },
1925   { CA_MODE_MULTIPLY,           "*"                             },
1926   { CA_MODE_DIVIDE,             "/"                             },
1927   { CA_MODE_MODULO,             "%"                             },
1928
1929   { -1,                         NULL                            }
1930 };
1931
1932 static struct ValueTextInfo options_action_arg_none[] =
1933 {
1934   { CA_ARG_UNDEFINED,           "         "                     },
1935
1936   { -1,                         NULL                            }
1937 };
1938
1939 static struct ValueTextInfo options_action_arg_player[] =
1940 {
1941   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
1942   { CA_ARG_PLAYER_1,            "1"                             },
1943   { CA_ARG_PLAYER_2,            "2"                             },
1944   { CA_ARG_PLAYER_3,            "3"                             },
1945   { CA_ARG_PLAYER_4,            "4"                             },
1946   { CA_ARG_PLAYER_ANY,          "any"                           },
1947   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
1948   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
1949
1950   { -1,                         NULL                            }
1951 };
1952
1953 static struct ValueTextInfo options_action_arg_number[] =
1954 {
1955   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1956   { CA_ARG_0,                   "0"                             },
1957   { CA_ARG_1,                   "1"                             },
1958   { CA_ARG_2,                   "2"                             },
1959   { CA_ARG_3,                   "3"                             },
1960   { CA_ARG_4,                   "4"                             },
1961   { CA_ARG_5,                   "5"                             },
1962   { CA_ARG_10,                  "10"                            },
1963   { CA_ARG_100,                 "100"                           },
1964   { CA_ARG_1000,                "1000"                          },
1965   { CA_ARG_UNDEFINED,           " "                             },
1966   { CA_ARG_NUMBER_MIN,          "min"                           },
1967   { CA_ARG_NUMBER_MAX,          "max"                           },
1968   { CA_ARG_UNDEFINED,           " "                             },
1969   { CA_ARG_NUMBER_RESET,        "reset"                         },
1970   { CA_ARG_UNDEFINED,           " "                             },
1971   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
1972   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
1973   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
1974   { CA_ARG_UNDEFINED,           " "                             },
1975   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
1976   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
1977   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
1978   { CA_ARG_UNDEFINED,           " "                             },
1979   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
1980   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
1981   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
1982   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
1983   { CA_ARG_UNDEFINED,           " "                             },
1984   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
1985   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
1986   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
1987   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
1988
1989   { -1,                         NULL                            }
1990 };
1991
1992 static struct ValueTextInfo options_action_arg_value[] =
1993 {
1994   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
1995   { CA_ARG_0,                   "0"                             },
1996   { CA_ARG_1,                   "1"                             },
1997   { CA_ARG_2,                   "2"                             },
1998   { CA_ARG_3,                   "3"                             },
1999   { CA_ARG_4,                   "4"                             },
2000   { CA_ARG_5,                   "5"                             },
2001   { CA_ARG_10,                  "10"                            },
2002   { CA_ARG_100,                 "100"                           },
2003   { CA_ARG_1000,                "1000"                          },
2004   { CA_ARG_UNDEFINED,           " "                             },
2005   { CA_ARG_NUMBER_MIN,          "min"                           },
2006   { CA_ARG_NUMBER_MAX,          "max"                           },
2007   { CA_ARG_UNDEFINED,           " "                             },
2008   { CA_ARG_NUMBER_RESET,        "reset"                         },
2009   { CA_ARG_UNDEFINED,           " "                             },
2010   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2011   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2012   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2013   { CA_ARG_UNDEFINED,           " "                             },
2014   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2015   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2016   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2017   { CA_ARG_UNDEFINED,           " "                             },
2018   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2019   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2020   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2021   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2022   { CA_ARG_UNDEFINED,           " "                             },
2023   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2024   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2025   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2026   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2027   { CA_ARG_UNDEFINED,           " "                             },
2028   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2029   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2030   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2031   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2032
2033   { -1,                         NULL                            }
2034 };
2035
2036 static struct ValueTextInfo options_action_arg_envelope[] =
2037 {
2038   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2039   { CA_ARG_1,                   "1"                             },
2040   { CA_ARG_2,                   "2"                             },
2041   { CA_ARG_3,                   "3"                             },
2042   { CA_ARG_4,                   "4"                             },
2043   { CA_ARG_UNDEFINED,           " "                             },
2044   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2045   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2046   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2047   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2048
2049   { -1,                         NULL                            }
2050 };
2051
2052 static struct ValueTextInfo options_action_arg_key[] =
2053 {
2054   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2055   { CA_ARG_1,                   "1"                             },
2056   { CA_ARG_2,                   "2"                             },
2057   { CA_ARG_3,                   "3"                             },
2058   { CA_ARG_4,                   "4"                             },
2059   { CA_ARG_5,                   "5"                             },
2060   { CA_ARG_6,                   "6"                             },
2061   { CA_ARG_7,                   "7"                             },
2062   { CA_ARG_8,                   "8"                             },
2063   { CA_ARG_UNDEFINED,           " "                             },
2064   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2065   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2066   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2067   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2068
2069   { -1,                         NULL                            }
2070 };
2071
2072 static struct ValueTextInfo options_action_arg_speed[] =
2073 {
2074   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2075   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2076   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2077   { CA_ARG_SPEED_SLOW,          "slow"                          },
2078   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2079   { CA_ARG_SPEED_FAST,          "fast"                          },
2080   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2081   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2082   { CA_ARG_UNDEFINED,           " "                             },
2083   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2084   { CA_ARG_SPEED_FASTER,        "faster"                        },
2085   { CA_ARG_UNDEFINED,           " "                             },
2086   { CA_ARG_SPEED_RESET,         "reset"                         },
2087
2088   { -1,                         NULL                            }
2089 };
2090
2091 static struct ValueTextInfo options_action_arg_shield[] =
2092 {
2093   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2094   { CA_ARG_SHIELD_OFF,          "off"                           },
2095   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2096   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2097
2098   { -1,                         NULL                            }
2099 };
2100
2101 static struct ValueTextInfo options_action_arg_artwork[] =
2102 {
2103   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2104   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2105   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2106   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2107   { CA_ARG_UNDEFINED,           " "                             },
2108   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2109
2110   { -1,                         NULL                            }
2111 };
2112
2113 static struct ValueTextInfo options_action_arg_gravity[] =
2114 {
2115   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2116   { CA_ARG_GRAVITY_ON,          "on"                            },
2117   { CA_ARG_GRAVITY_OFF,         "off"                           },
2118   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2119
2120   { -1,                         NULL                            }
2121 };
2122
2123 static struct ValueTextInfo options_action_arg_direction[] =
2124 {
2125   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2126   { CA_ARG_DIRECTION_NONE,      "none"                          },
2127   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2128   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2129   { CA_ARG_DIRECTION_UP,        "up"                            },
2130   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2131   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2132   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2133
2134   { -1,                         NULL                            }
2135 };
2136
2137 static struct ValueTextInfo options_action_arg_scan_mode[] =
2138 {
2139   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2140   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2141   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2142
2143   { -1,                         NULL                            }
2144 };
2145
2146 static struct ValueTextInfo options_action_arg_inventory[] =
2147 {
2148   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2149   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2150   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2151   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2152   { CA_ARG_UNDEFINED,           " "                             },
2153   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2154   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2155   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2156   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2157   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2158   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2159   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2160   { CA_ARG_UNDEFINED,           " "                             },
2161   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2162
2163   { -1,                         NULL                            }
2164 };
2165
2166 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2167 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2168 {
2169   { -1,                         NULL                            }
2170 };
2171
2172 static struct ValueTextInfo options_group_choice_mode[] =
2173 {
2174   { ANIM_RANDOM,                "random"                        },
2175   { ANIM_LOOP,                  "loop"                          },
2176   { ANIM_LINEAR,                "linear"                        },
2177   { ANIM_PINGPONG,              "pingpong"                      },
2178   { ANIM_PINGPONG2,             "pingpong 2"                    },
2179
2180   { -1,                         NULL                            }
2181 };
2182
2183 static struct ValueTextInfo *action_arg_modes[] =
2184 {
2185   options_action_mode_none,
2186   options_action_mode_assign,
2187   options_action_mode_add_remove,
2188   options_action_mode_calculate,
2189 };
2190
2191 static struct
2192 {
2193   int value;
2194   int mode;
2195   struct ValueTextInfo *options;
2196 }
2197 action_arg_options[] =
2198 {
2199   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2200   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2201   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2202   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2203   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2204   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2205   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2206   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2207   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2208   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2209   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2210   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2211   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2212   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2213   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2214   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2215   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2216   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2217   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2218   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2219   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2220
2221   { -1,                         FALSE,  NULL                            }
2222 };
2223
2224 static struct
2225 {
2226   int x, y;
2227   int gadget_id;
2228   int gadget_id_align;
2229   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2230   struct ValueTextInfo *options;
2231   int *value;
2232   char *text_left, *text_right, *infotext;
2233 } selectbox_info[ED_NUM_SELECTBOX] =
2234 {
2235   /* ---------- level and editor settings ---------------------------------- */
2236
2237   {
2238     -1,                                 ED_LEVEL_SETTINGS_YPOS(7),
2239     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2240     -1,
2241     options_time_or_steps,
2242     &level.use_step_counter,
2243     NULL, "(0 => no limit)",            "time or step limit"
2244   },
2245   {
2246     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2247     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2248     -1,
2249     options_game_engine_type,
2250     &level.game_engine_type,
2251     "game engine:", NULL,               "game engine"
2252   },
2253   {
2254     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2255     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2256     -1,
2257     options_wind_direction,
2258     &level.wind_direction_initial,
2259     "initial wind direction:", NULL,    "initial wind direction"
2260   },
2261
2262   /* ---------- element settings: configure (several elements) ------------- */
2263
2264   {
2265     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
2266     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2267     -1,
2268     options_player_speed,
2269     &level.initial_player_stepsize[0],
2270     "initial player speed:", NULL,      "initial player speed"
2271   },
2272
2273   /* ---------- element settings: configure 1 (custom elements) ------------ */
2274
2275   {
2276     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2277     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2278     -1,
2279     options_access_type,
2280     &custom_element.access_type,
2281     NULL, NULL,                         "type of access to this field"
2282   },
2283   {
2284     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2285     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2286     -1,
2287     options_access_layer,
2288     &custom_element.access_layer,
2289     NULL, NULL,                         "layer of access for this field"
2290   },
2291   {
2292     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2293     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2294     -1,
2295     options_access_protected,
2296     &custom_element.access_protected,
2297     NULL, NULL,                         "protected access for this field"
2298   },
2299   {
2300     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2301     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2302     -1,
2303     options_access_direction,
2304     &custom_element.access_direction,
2305     "from", NULL,                       "access direction for this field"
2306   },
2307   {
2308     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2309     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2310     -1,
2311     options_walk_to_action,
2312     &custom_element.walk_to_action,
2313     NULL, NULL,                         "diggable/collectible/pushable"
2314   },
2315
2316   /* ---------- element settings: configure 2 (custom elements) ------------ */
2317
2318   {
2319     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2320     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2321     -1,
2322     options_move_pattern,
2323     &custom_element.move_pattern,
2324     "can move", NULL,                   "element move pattern"
2325   },
2326   {
2327     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2328     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2329     -1,
2330     options_move_direction,
2331     &custom_element.move_direction_initial,
2332     "starts moving", NULL,              "initial element move direction"
2333   },
2334   {
2335     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2336     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2337     -1,
2338     options_move_stepsize,
2339     &custom_element.move_stepsize,
2340     "move/fall speed", NULL,            "speed of element movement"
2341   },
2342   {
2343     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2344     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2345     -1,
2346     options_move_leave_type,
2347     &custom_element.move_leave_type,
2348     // left text with leading spaces to place gadget next to "can dig" gadget
2349     // (needed because drawing area gadgets created after selectbox gadgets)
2350     // "can dig:    can", ":",          "leave behind or change element"
2351     "            can", ":",             "leave behind or change element"
2352   },
2353   {
2354     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2355     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2356     -1,
2357     options_smash_targets,
2358     &custom_element.smash_targets,
2359     "can smash", NULL,                  "elements that can be smashed"
2360   },
2361   {
2362     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2363     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2364     -1,
2365     options_slippery_type,
2366     &custom_element.slippery_type,
2367     "slippery", NULL,                   "where other elements fall down"
2368   },
2369   {
2370     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2371     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2372     -1,
2373     options_deadliness,
2374     &custom_element.deadliness,
2375     "deadly when", NULL,                "deadliness of element"
2376   },
2377   {
2378     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2379     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2380     -1,
2381     options_explosion_type,
2382     &custom_element.explosion_type,
2383     "can explode", NULL,                "explosion type"
2384   },
2385
2386   /* ---------- element settings: advanced (custom elements) --------------- */
2387
2388   {
2389     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2390     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2391     -1,
2392     options_time_units,
2393     &custom_element_change.delay_frames,
2394     "delay time given in", NULL,        "delay time units for change"
2395   },
2396   {
2397     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2398     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2399     -1,
2400     options_change_direct_action,
2401     &custom_element_change.direct_action,
2402     NULL, NULL,                         "type of direct action"
2403   },
2404   {
2405     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2406     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2407     -1,
2408     options_change_other_action,
2409     &custom_element_change.other_action,
2410     NULL, "element:",                   "type of other element action"
2411   },
2412   {
2413     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2414     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2415     -1,
2416     options_change_trigger_side,
2417     &custom_element_change.trigger_side,
2418     "at", "side",                       "element side triggering change"
2419   },
2420   {
2421     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2422     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2423     -1,
2424     options_change_trigger_player,
2425     &custom_element_change.trigger_player,
2426     "player:", " ",                     "player that causes change"
2427   },
2428   {
2429     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2430     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2431     -1,
2432     options_change_trigger_page,
2433     &custom_element_change.trigger_page,
2434     "page:", NULL,                      "change page that causes change"
2435   },
2436   {
2437     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2438     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2439     -1,
2440     options_change_replace_when,
2441     &custom_element_change.replace_when,
2442     "replace when", NULL,               "which elements can be replaced"
2443   },
2444   {
2445     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2446     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2447     -1,
2448     options_action_type,
2449     &custom_element_change.action_type,
2450     NULL, NULL,                         "action on specified condition"
2451   },
2452   {
2453     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2454     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2455     -1,
2456     options_action_mode_none,
2457     &custom_element_change.action_mode,
2458     NULL, NULL,                         "action operator"
2459   },
2460   {
2461     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2462     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2463     -1,
2464     options_action_arg_none,
2465     &custom_element_change.action_arg,
2466     NULL, NULL,                         "action parameter"
2467   },
2468   {
2469     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2470     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2471     3,
2472     options_change_page,
2473     &custom_element.current_change_page,
2474     NULL, NULL,                         "element change page"
2475   },
2476
2477   /* ---------- element settings: configure (group elements) --------------- */
2478
2479   {
2480     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2481     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2482     -1,
2483     options_group_choice_mode,
2484     &group_element_info.choice_mode,
2485     "choice type:", NULL,               "type of group element choice"
2486   },
2487 };
2488
2489 static struct
2490 {
2491   int x, y;
2492   int gadget_id;
2493   int gadget_id_align;
2494   int size;
2495   char *text;
2496   char *text_left, *text_right, *infotext;
2497 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2498 {
2499   {
2500     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
2501     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2502     8,                                  "Level",
2503     NULL, NULL,                         "Configure level properties"
2504   },
2505   {
2506     -1,                                 -1,
2507     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVEL,
2508     8,                                  "Editor",
2509     NULL, NULL,                         "Configure editor properties"
2510   },
2511   {
2512     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2513     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2514     8,                                  "Info",
2515     NULL, NULL,                         "Show information about element"
2516   },
2517   {
2518     -1,                                 -1,
2519     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2520     8,                                  "Config",
2521     NULL, NULL,                         "Configure element properties"
2522   },
2523   {
2524     -1,                                 -1,
2525     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2526     8,                                  "Config 1",
2527     NULL, NULL,                         "Configure element properties, part 1"
2528   },
2529   {
2530     -1,                                 -1,
2531     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2532     8,                                  "Config 2",
2533     NULL, NULL,                         "Configure element properties, part 2"
2534   },
2535   {
2536     -1,                                 -1,
2537     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2538     8,                                  "Change",
2539     NULL, NULL,                         "Configure custom element change pages"
2540   },
2541   {
2542     -1,                                 -1,
2543     GADGET_ID_SAVE_AS_TEMPLATE,         GADGET_ID_CUSTOM_USE_TEMPLATE,
2544     -1,                                 "Save",
2545     " ", "As Template",                 "Save current settings as new template"
2546   },
2547   {
2548     -1,                                 -1,
2549     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2550     -1,                                 "New",
2551     NULL, NULL,                         "Add new change page"
2552   },
2553   {
2554     -1,                                 -1,
2555     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2556     -1,                                 "Delete",
2557     NULL, NULL,                         "Delete current change page"
2558   },
2559 };
2560
2561 static struct
2562 {
2563   int graphic;
2564   int x, y;
2565   int gadget_id;
2566   int gadget_id_align;
2567   char *text_left, *text_right, *infotext;
2568 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2569 {
2570   {
2571     IMG_EDITOR_COUNTER_DOWN,
2572     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2573     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2574     NULL, NULL,                         "select previous change page"
2575   },
2576   {
2577     IMG_EDITOR_COUNTER_UP,
2578     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2579     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2580     NULL, "change page",                "select next change page"
2581   },
2582   {
2583     IMG_EDITOR_BUTTON_GFX_CP_COPY,
2584     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2585     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2586     " ", NULL,                          "copy settings from this change page"
2587   },
2588   {
2589     IMG_EDITOR_BUTTON_GFX_CP_PASTE,
2590     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2591     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2592     NULL, NULL,                         "paste settings to this change page"
2593   },
2594 };
2595
2596 static struct
2597 {
2598   int x, y;
2599 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2600
2601 static struct
2602 {
2603   int graphic;
2604   int gadget_id;
2605   char *infotext;
2606 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2607 {
2608   {
2609     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2610     GADGET_ID_SCROLL_UP,
2611     "scroll level editing area up"
2612   },
2613   {
2614     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2615     GADGET_ID_SCROLL_DOWN,
2616     "scroll level editing area down"
2617   },
2618   {
2619     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2620     GADGET_ID_SCROLL_LEFT,
2621     "scroll level editing area left"
2622   },
2623   {
2624     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2625     GADGET_ID_SCROLL_RIGHT,
2626     "scroll level editing area right"
2627   },
2628   {
2629     IMG_EDITOR_PALETTE_SCROLL_UP,
2630     GADGET_ID_SCROLL_LIST_UP,
2631     "scroll element list up ('Page Up')"
2632   },
2633   {
2634     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2635     GADGET_ID_SCROLL_LIST_DOWN,
2636     "scroll element list down ('Page Down')"
2637   },
2638 };
2639
2640 static struct
2641 {
2642   int x, y;
2643   int width, height;
2644   int wheel_x, wheel_y;
2645   int wheel_width, wheel_height;
2646 } scrollbar_pos[ED_NUM_SCROLLBARS];
2647
2648 static struct
2649 {
2650   int graphic;
2651   int type;
2652   int gadget_id;
2653   char *infotext;
2654 } scrollbar_info[ED_NUM_SCROLLBARS] =
2655 {
2656   {
2657     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2658     GD_TYPE_SCROLLBAR_HORIZONTAL,
2659     GADGET_ID_SCROLL_HORIZONTAL,
2660     "scroll level editing area horizontally"
2661   },
2662   {
2663     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2664     GD_TYPE_SCROLLBAR_VERTICAL,
2665     GADGET_ID_SCROLL_VERTICAL,
2666     "scroll level editing area vertically"
2667   },
2668   {
2669     IMG_EDITOR_PALETTE_SCROLLBAR,
2670     GD_TYPE_SCROLLBAR_VERTICAL,
2671     GADGET_ID_SCROLL_LIST_VERTICAL,
2672     "scroll element list vertically"
2673   }
2674 };
2675
2676
2677 static struct
2678 {
2679   int x, y;
2680   int gadget_id;
2681   int gadget_id_align;
2682   int radio_button_nr;
2683   int *value;
2684   int checked_value;
2685   char *text_left, *text_right, *infotext;
2686 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2687 {
2688   {
2689     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2690     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2691     RADIO_NR_RANDOM_ELEMENTS,
2692     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2693     " ", "percentage",                  "use percentage for random elements"
2694   },
2695   {
2696     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2697     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2698     RADIO_NR_RANDOM_ELEMENTS,
2699     &random_placement_method,           RANDOM_USE_QUANTITY,
2700     " ", "quantity",                    "use quantity for random elements"
2701   }
2702 };
2703
2704 static struct
2705 {
2706   int x, y;
2707   int gadget_id;
2708   int gadget_id_align;
2709   boolean *value;
2710   char *text_left, *text_right, *infotext;
2711 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2712 {
2713   /* ---------- level and editor settings ---------------------------------- */
2714
2715   {
2716     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2717     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2718     &random_placement_background_restricted,
2719     NULL,
2720     "restrict random placement to:",    "set random placement restriction"
2721   },
2722
2723   /* ---------- element settings: configure (various elements) ------------- */
2724
2725   {
2726     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2727     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2728     &stick_element_properties_window,
2729     NULL,
2730     "stick this screen to edit content","stick this screen to edit content"
2731   },
2732   {
2733     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2734     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2735     &level.em_slippery_gems,
2736     NULL,
2737     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2738   },
2739   {
2740     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2741     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2742     &level.em_explodes_by_fire,
2743     NULL,
2744     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2745   },
2746   {
2747     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2748     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2749     &level.use_spring_bug,
2750     NULL,
2751     "use spring pushing bug",           "use odd spring pushing behaviour"
2752   },
2753   {
2754     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2755     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2756     &level.use_time_orb_bug,
2757     NULL,
2758     "use time orb bug",                 "use odd time orb behaviour"
2759   },
2760   {
2761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2762     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2763     &level.ball_random,
2764     NULL,
2765     "create single random element",     "only create one element from content"
2766   },
2767   {
2768     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2769     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
2770     &level.ball_state_initial,
2771     NULL,
2772     "magic ball initially activated",   "activate magic ball after level start"
2773   },
2774   {
2775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2776     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
2777     &level.grow_into_diggable,
2778     NULL,
2779     "can grow into anything diggable",  "grow into more than just sand"
2780   },
2781   {
2782     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2783     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
2784     &level.auto_exit_sokoban,
2785     NULL,
2786     "exit level if all fields solved",  "automatically finish Sokoban levels"
2787   },
2788   {
2789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2790     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
2791     &level.continuous_snapping,
2792     NULL,
2793     "continuous snapping",              "use snapping without releasing key"
2794   },
2795   {
2796     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2797     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
2798     &level.block_snap_field,
2799     NULL,
2800     "block snapped field when snapping", "use snapping delay to show animation"
2801   },
2802   {
2803     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2804     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
2805     &level.block_last_field,
2806     NULL,
2807     "block last field when moving",     "player blocks last field when moving"
2808   },
2809   {
2810     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2811     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
2812     &level.sp_block_last_field,
2813     NULL,
2814     "block last field when moving",     "player blocks last field when moving"
2815   },
2816   {
2817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2818     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
2819     &level.instant_relocation,
2820     NULL,
2821     "no scrolling when relocating",     "player gets relocated without delay"
2822   },
2823   {
2824     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2825     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
2826     &level.shifted_relocation,
2827     NULL,
2828     "no centering when relocating",     "level not centered after relocation"
2829   },
2830   {
2831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2832     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
2833     &level.use_start_element[0],
2834     NULL,
2835     "use level start element:",        "start level at this element's position"
2836   },
2837   {
2838     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2839     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
2840     &level.use_artwork_element[0],
2841     NULL,
2842     "use artwork from element:",        "use player artwork from other element"
2843   },
2844   {
2845     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2846     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
2847     &level.use_explosion_element[0],
2848     NULL,
2849     "use explosion from element:",      "use explosion properties from element"
2850   },
2851   {
2852     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
2853     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
2854     &level.initial_player_gravity[0],
2855     NULL,
2856     "use initial gravity",              "set initial player gravity"
2857   },
2858   {
2859     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2860     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
2861     &level.use_initial_inventory[0],
2862     NULL,
2863     "use initial inventory:",           "use collected elements on level start"
2864   },
2865   {
2866     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
2867     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
2868     &level.can_pass_to_walkable,
2869     NULL,
2870     "can pass to walkable element",     "player can pass to empty or walkable"
2871   },
2872   {
2873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2874     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
2875     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2876     NULL,
2877     "can fall into acid (with gravity)","player can fall into acid pool"
2878   },
2879   {
2880     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2881     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
2882     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
2883     NULL,
2884     "can move into acid",               "element can move into acid pool"
2885   },
2886   {
2887     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2888     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
2889     &custom_element_properties[EP_DONT_COLLIDE_WITH],
2890     NULL,
2891     "deadly when colliding with",       "element is deadly when hitting player"
2892   },
2893   {
2894     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2895     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
2896     &level.envelope[0].autowrap,
2897     NULL,
2898     "auto-wrap",                        "automatically wrap envelope text"
2899   },
2900   {
2901     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
2902     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
2903     &level.envelope[0].centered,
2904     " ",
2905     "centered",                         "automatically center envelope text"
2906   },
2907
2908   /* ---------- element settings: configure 1 (custom elements) ----------- */
2909
2910   {
2911     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2912     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
2913     &custom_element.use_gfx_element,
2914     NULL,
2915     "use graphic of element:",          "use existing element graphic"
2916   },
2917   {
2918     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2919     GADGET_ID_CUSTOM_USE_TEMPLATE,      GADGET_ID_NONE,
2920     &level.use_custom_template,
2921     NULL,
2922     "use template",                     "use template for custom properties"
2923   },
2924   {
2925     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2926     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
2927     &custom_element_properties[EP_ACCESSIBLE],
2928     NULL,
2929     NULL,                               "player can walk to or pass this field"
2930   },
2931   {
2932     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2933     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
2934     &custom_element_properties[EP_GRAVITY_REACHABLE],
2935     NULL,
2936     "reachable despite gravity",        "player can walk/dig despite gravity"
2937   },
2938   {
2939     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
2940     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
2941     &custom_element.use_last_ce_value,
2942     NULL,
2943     "use last CE value after change",   "use last CE value after change"
2944   },
2945   {
2946     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2947     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
2948     &custom_element_properties[EP_WALK_TO_OBJECT],
2949     NULL,
2950     NULL,                               "player can dig/collect/push element"
2951   },
2952   {
2953     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2954     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
2955     &custom_element_properties[EP_INDESTRUCTIBLE],
2956     NULL,
2957     "indestructible",                   "element is indestructible"
2958   },
2959
2960   /* ---------- element settings: configure 2 (custom elements) ----------- */
2961
2962   {
2963     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2964     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
2965     &custom_element_properties[EP_CAN_MOVE],
2966     NULL,
2967     NULL,                               "element can move with some pattern"
2968   },
2969   {
2970     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2971     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
2972     &custom_element_properties[EP_CAN_FALL],
2973     NULL,
2974     "can fall",                         "element can fall down"
2975   },
2976   {
2977     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2978     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
2979     &custom_element_properties[EP_CAN_SMASH],
2980     " ",
2981     NULL,                               "element can smash other elements"
2982   },
2983   {
2984     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
2985     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
2986     &custom_element_properties[EP_SLIPPERY],
2987     NULL,
2988     NULL,                               "other elements can fall down from it"
2989   },
2990   {
2991     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
2992     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
2993     &custom_element_properties[EP_DEADLY],
2994     NULL,
2995     NULL,                               "element can kill the player"
2996   },
2997   {
2998     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
2999     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3000     &custom_element_properties[EP_CAN_EXPLODE],
3001     NULL,
3002     NULL,                               "element can explode"
3003   },
3004   {
3005     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3006     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3007     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3008     NULL,
3009     "by fire",                          "element can explode by fire/explosion"
3010   },
3011   {
3012     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3013     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3014     &custom_element_properties[EP_EXPLODES_SMASHED],
3015     " ",
3016     "smashed",                          "element can explode when smashed"
3017   },
3018   {
3019     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3020     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3021     &custom_element_properties[EP_EXPLODES_IMPACT],
3022     " ",
3023     "impact",                           "element can explode on impact"
3024   },
3025
3026   /* ---------- element settings: advanced (custom elements) --------------- */
3027
3028   {
3029     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3030     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3031     &custom_element_change.can_change,
3032     NULL,
3033     "element changes to:",              "change element on specified condition"
3034   },
3035   {
3036     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3037     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3038     &custom_element_change_events[CE_DELAY],
3039     NULL,
3040     NULL,                               "element changes after delay"
3041   },
3042   {
3043     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3044     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3045     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3046     NULL,
3047     NULL,                               "element changes by direct action"
3048   },
3049   {
3050     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3051     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3052     &custom_element_change_events[CE_BY_OTHER_ACTION],
3053     NULL,
3054     NULL,                               "element changes by other element"
3055   },
3056   {
3057     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3058     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3059     &custom_element_change.explode,
3060     NULL,
3061     "explode instead of change",        "element explodes instead of change"
3062   },
3063   {
3064     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3065     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3066     &custom_element_change.use_target_content,
3067     NULL,
3068     "use extended change target:",      "element changes to more elements"
3069   },
3070   {
3071     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3072     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3073     &custom_element_change.only_if_complete,
3074     NULL,
3075     "replace all or nothing",           "only replace when all can be changed"
3076   },
3077   {
3078     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3079     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3080     &custom_element_change.use_random_replace,
3081     NULL,
3082     NULL,                               "use percentage for random replace"
3083   },
3084   {
3085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3086     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3087     &custom_element_change.has_action,
3088     NULL,
3089     NULL,                               "execute action on specified condition"
3090   },
3091 };
3092
3093 static struct
3094 {
3095   int x, y;
3096   int xoffset, yoffset;
3097   int gadget_id;
3098   int gadget_id_align;
3099   int *value;
3100   int area_xsize, area_ysize;
3101   char *text_left, *text_right, *text_below, *infotext;
3102 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3103 {
3104   /* ---------- level playfield content ------------------------------------ */
3105
3106   {
3107     0,                                  0,
3108     0,                                  0,
3109     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3110     NULL,
3111     -1, -1,     /* these values are not constant, but can change at runtime */
3112     NULL, NULL, NULL,                   NULL
3113   },
3114
3115   /* ---------- yam yam content -------------------------------------------- */
3116
3117   {
3118     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3119     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3120     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3121     &level.yamyam_content[0].e[0][0],   3, 3,
3122     NULL, NULL, "1",                    NULL
3123   },
3124   {
3125     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3126     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3127     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3128     &level.yamyam_content[1].e[0][0],   3, 3,
3129     NULL, NULL, "2",                    NULL
3130   },
3131   {
3132     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3133     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3134     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3135     &level.yamyam_content[2].e[0][0],   3, 3,
3136     NULL, NULL, "3",                    NULL
3137   },
3138   {
3139     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3140     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3141     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3142     &level.yamyam_content[3].e[0][0],   3, 3,
3143     NULL, NULL, "4",                    NULL
3144   },
3145   {
3146     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3147     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3148     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3149     &level.yamyam_content[4].e[0][0],   3, 3,
3150     NULL, NULL, "5",                    NULL
3151   },
3152   {
3153     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3154     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3155     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3156     &level.yamyam_content[5].e[0][0],   3, 3,
3157     NULL, NULL, "6",                    NULL
3158   },
3159   {
3160     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3161     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3162     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3163     &level.yamyam_content[6].e[0][0],   3, 3,
3164     NULL, NULL, "7",                    NULL
3165   },
3166   {
3167     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3168     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3169     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3170     &level.yamyam_content[7].e[0][0],   3, 3,
3171     NULL, NULL, "8",                    NULL
3172   },
3173
3174   /* ---------- magic ball content ----------------------------------------- */
3175
3176   {
3177     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3178     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3179     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3180     &level.ball_content[0].e[0][0],     3, 3,
3181     NULL, NULL, "1",                    NULL
3182   },
3183   {
3184     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3185     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3186     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3187     &level.ball_content[1].e[0][0],     3, 3,
3188     NULL, NULL, "2",                    NULL
3189   },
3190   {
3191     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3192     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3193     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3194     &level.ball_content[2].e[0][0],     3, 3,
3195     NULL, NULL, "3",                    NULL
3196   },
3197   {
3198     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3199     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3200     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3201     &level.ball_content[3].e[0][0],     3, 3,
3202     NULL, NULL, "4",                    NULL
3203   },
3204   {
3205     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3206     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3207     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3208     &level.ball_content[4].e[0][0],     3, 3,
3209     NULL, NULL, "5",                    NULL
3210   },
3211   {
3212     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3213     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3214     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3215     &level.ball_content[5].e[0][0],     3, 3,
3216     NULL, NULL, "6",                    NULL
3217   },
3218   {
3219     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3220     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3221     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3222     &level.ball_content[6].e[0][0],     3, 3,
3223     NULL, NULL, "7",                    NULL
3224   },
3225   {
3226     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3227     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3228     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3229     &level.ball_content[7].e[0][0],     3, 3,
3230     NULL, NULL, "8",                    NULL
3231   },
3232
3233   /* ---------- android content -------------------------------------------- */
3234
3235   {
3236     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3237     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3238     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3239     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3240     "elements:", NULL, NULL,            "elements android can clone"
3241   },
3242
3243   /* ---------- amoeba content --------------------------------------------- */
3244
3245   {
3246     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3247     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3248     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3249     &level.amoeba_content,              1, 1,
3250     "content:", NULL, NULL,             "amoeba content"
3251   },
3252
3253   /* ---------- level start element ---------------------------------------- */
3254
3255   {
3256     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(9),
3257     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3258     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3259     &level.start_element[0],            1, 1,
3260     NULL, NULL, NULL,                   "level start element"
3261   },
3262
3263   /* ---------- player artwork element ------------------------------------- */
3264
3265   {
3266     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3267     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3268     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3269     &level.artwork_element[0],          1, 1,
3270     NULL, NULL, NULL,                   "element for player artwork"
3271   },
3272
3273   /* ---------- player explosion element ----------------------------------- */
3274
3275   {
3276     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3277     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3278     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3279     &level.explosion_element[0],        1, 1,
3280     NULL, NULL, NULL,                   "element for player explosion"
3281   },
3282
3283   /* ---------- player initial inventory ----------------------------------- */
3284
3285   {
3286     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3287     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3288     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3289     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3290     NULL, NULL, NULL,                   "content for initial inventory"
3291   },
3292
3293   /* ---------- element settings: configure 1 (custom elements) ----------- */
3294
3295   /* ---------- custom graphic --------------------------------------------- */
3296
3297   {
3298     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3299     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3300     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3301     &custom_element.gfx_element_initial,1, 1,
3302     NULL, NULL, NULL,                   "custom graphic element"
3303   },
3304
3305   /* ---------- element settings: configure 2 (custom elements) ----------- */
3306
3307   /* ---------- custom content (when exploding) ---------------------------- */
3308
3309   {
3310     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3311     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3312     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3313     &custom_element.content.e[0][0],    3, 3,
3314     "content:", NULL, NULL,             NULL
3315   },
3316
3317   /* ---------- custom enter and leave element (when moving) --------------- */
3318
3319   {
3320     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3321     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3322     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3323     &custom_element.move_enter_element, 1, 1,
3324     "can dig:", " ", NULL,              "element that can be digged/collected"
3325   },
3326   {
3327     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3328     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3329     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3330     &custom_element.move_leave_element, 1, 1,
3331     NULL, NULL, NULL,                   "element that will be left behind"
3332   },
3333
3334   /* ---------- element settings: advanced (custom elements) --------------- */
3335
3336   /* ---------- custom change target --------------------------------------- */
3337
3338   {
3339     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3340     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3341     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3342     &custom_element_change.target_element, 1, 1,
3343     NULL, "after/when:", NULL,          "new target element after change"
3344   },
3345
3346   /* ---------- custom change content (extended change target) ------------- */
3347
3348   {
3349     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3350     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3351     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3352     &custom_element_change.target_content.e[0][0], 3, 3,
3353     NULL, NULL, NULL,                   "new extended elements after change"
3354   },
3355
3356   /* ---------- custom change trigger (element causing change) ------------- */
3357
3358   {
3359     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3360     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3361     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3362     &custom_element_change.initial_trigger_element, 1, 1,
3363     NULL, NULL, NULL,                   "other element triggering change"
3364   },
3365
3366   /* ---------- custom change action (element used for action) ------------- */
3367
3368   {
3369     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3370     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3371     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3372     &custom_element_change.action_element, 1, 1,
3373     NULL, NULL, NULL,                   "element used as action parameter"
3374   },
3375
3376   /* ---------- group element content -------------------------------------- */
3377
3378   {
3379     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3380     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3381     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3382     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3383     "content:", NULL, NULL,             NULL
3384   },
3385
3386   /* ---------- random background (for random painting) -------------------- */
3387
3388   {
3389     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3390     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3391     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3392     &random_placement_background_element, 1, 1,
3393     NULL, NULL, NULL,                   "random placement background"
3394   },
3395 };
3396
3397
3398 /*
3399   -----------------------------------------------------------------------------
3400   some internally used variables
3401   -----------------------------------------------------------------------------
3402 */
3403
3404 /* maximal size of level editor drawing area */
3405 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3406
3407 /* actual size of level editor drawing area */
3408 static int ed_fieldx, ed_fieldy;
3409
3410 /* actual position of level editor drawing area in level playfield */
3411 static int level_xpos = -1, level_ypos = -1;
3412
3413 /* actual tile size used to display playfield drawing area */
3414 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3415
3416 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3417
3418 /* drawing elements on the three mouse buttons */
3419 static int new_element1 = EL_WALL;
3420 static int new_element2 = EL_EMPTY;
3421 static int new_element3 = EL_SAND;
3422
3423 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3424 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3425                                 (button) == 2 ? new_element2 : \
3426                                 (button) == 3 ? new_element3 : EL_EMPTY)
3427
3428 /* forward declaration for internal use */
3429 static void ModifyEditorCounterValue(int, int);
3430 static void ModifyEditorCounterLimits(int, int, int);
3431 static void ModifyEditorSelectboxValue(int, int);
3432 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3433 static void ModifyEditorDrawingArea(int, int, int);
3434 static void ModifyEditorElementList();
3435 static void AdjustElementListScrollbar();
3436 static void RedrawDrawingElements();
3437 static void DrawDrawingWindow();
3438 static void DrawLevelInfoWindow();
3439 static void DrawPropertiesWindow();
3440 static void UpdateCustomElementGraphicGadgets();
3441 static boolean checkPropertiesConfig(int);
3442 static void CopyLevelToUndoBuffer(int);
3443 static void HandleDrawingAreas(struct GadgetInfo *);
3444 static void HandleCounterButtons(struct GadgetInfo *);
3445 static void HandleTextInputGadgets(struct GadgetInfo *);
3446 static void HandleTextAreaGadgets(struct GadgetInfo *);
3447 static void HandleSelectboxGadgets(struct GadgetInfo *);
3448 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3449 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3450 static void HandleRadiobuttons(struct GadgetInfo *);
3451 static void HandleCheckbuttons(struct GadgetInfo *);
3452 static void HandleControlButtons(struct GadgetInfo *);
3453 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3454 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3455
3456 static int num_editor_gadgets = 0;      /* dynamically determined */
3457
3458 static struct GadgetInfo **level_editor_gadget = NULL;
3459 static int *right_gadget_border = NULL;
3460
3461 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3462 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3463 static boolean draw_with_brush = FALSE;
3464 static int properties_element = 0;
3465
3466 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3467 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3468 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3469 static int undo_buffer_position = 0;
3470 static int undo_buffer_steps = 0;
3471 static int redo_buffer_steps = 0;
3472
3473 static int edit_mode;
3474 static int edit_mode_levelinfo;
3475 static int edit_mode_properties;
3476
3477 static int element_shift = 0;
3478
3479 static int editor_el_players[] =
3480 {
3481   EL_PLAYER_1,
3482   EL_PLAYER_2,
3483   EL_PLAYER_3,
3484   EL_PLAYER_4
3485 };
3486 static int *editor_el_players_ptr = editor_el_players;
3487 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3488
3489 static int editor_hl_boulderdash[] =
3490 {
3491   EL_INTERNAL_CASCADE_BD_ACTIVE,
3492   EL_CHAR('B'),
3493   EL_CHAR('D'),
3494   EL_EMPTY,
3495 };
3496
3497 static int editor_el_boulderdash[] =
3498 {
3499   EL_EMPTY,
3500   EL_SAND,
3501   EL_BD_ROCK,
3502   EL_BD_DIAMOND,
3503
3504   EL_STEELWALL,
3505   EL_BD_WALL,
3506   EL_BD_EXPANDABLE_WALL,
3507   EL_BD_MAGIC_WALL,
3508
3509   EL_BD_AMOEBA,
3510   EL_BD_BUTTERFLY_UP,
3511   EL_BD_FIREFLY_UP,
3512   EL_EXIT_CLOSED,
3513
3514   EL_BD_BUTTERFLY_LEFT,
3515   EL_BD_FIREFLY_LEFT,
3516   EL_BD_BUTTERFLY_RIGHT,
3517   EL_BD_FIREFLY_RIGHT,
3518
3519   EL_EMPTY,
3520   EL_BD_BUTTERFLY_DOWN,
3521   EL_BD_FIREFLY_DOWN,
3522   EL_EXIT_OPEN,
3523 };
3524 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3525 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3526 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3527 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3528
3529 static int editor_hl_emerald_mine[] =
3530 {
3531   EL_INTERNAL_CASCADE_EM_ACTIVE,
3532   EL_CHAR('E'),
3533   EL_CHAR('M'),
3534   EL_EMPTY,
3535 };
3536
3537 static int editor_el_emerald_mine[] =
3538 {
3539   EL_SAND,
3540   EL_ROCK,
3541   EL_QUICKSAND_EMPTY,
3542   EL_QUICKSAND_FULL,
3543
3544   EL_STEELWALL,
3545   EL_WALL,
3546   EL_WALL_SLIPPERY,
3547   EL_MAGIC_WALL,
3548
3549   EL_EMERALD,
3550   EL_DIAMOND,
3551   EL_NUT,
3552   EL_BOMB,
3553
3554   EL_WALL_EMERALD,
3555   EL_WALL_DIAMOND,
3556   EL_DYNAMITE,
3557   EL_DYNAMITE_ACTIVE,
3558
3559   EL_YAMYAM,
3560   EL_BUG_UP,
3561   EL_SPACESHIP_UP,
3562   EL_ROBOT,
3563
3564   EL_BUG_LEFT,
3565   EL_SPACESHIP_LEFT,
3566   EL_BUG_RIGHT,
3567   EL_SPACESHIP_RIGHT,
3568
3569   EL_ROBOT_WHEEL,
3570   EL_BUG_DOWN,
3571   EL_SPACESHIP_DOWN,
3572   EL_INVISIBLE_WALL,
3573
3574   EL_ACID_POOL_TOPLEFT,
3575   EL_ACID,
3576   EL_ACID_POOL_TOPRIGHT,
3577   EL_AMOEBA_DROP,
3578
3579   EL_ACID_POOL_BOTTOMLEFT,
3580   EL_ACID_POOL_BOTTOM,
3581   EL_ACID_POOL_BOTTOMRIGHT,
3582   EL_AMOEBA_WET,
3583
3584   EL_EM_KEY_1,
3585   EL_EM_KEY_2,
3586   EL_EM_KEY_3,
3587   EL_EM_KEY_4,
3588
3589   EL_EM_GATE_1,
3590   EL_EM_GATE_2,
3591   EL_EM_GATE_3,
3592   EL_EM_GATE_4,
3593
3594   EL_EM_GATE_1_GRAY,
3595   EL_EM_GATE_2_GRAY,
3596   EL_EM_GATE_3_GRAY,
3597   EL_EM_GATE_4_GRAY,
3598
3599   EL_EM_EXIT_CLOSED,
3600   EL_EM_EXIT_OPEN,
3601   EL_EM_STEEL_EXIT_CLOSED,
3602   EL_EM_STEEL_EXIT_OPEN,
3603 };
3604 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3605 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3606 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3607 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3608
3609 static int editor_hl_emerald_mine_club[] =
3610 {
3611   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3612   EL_CHAR('E'),
3613   EL_CHAR('M'),
3614   EL_CHAR('C'),
3615 };
3616
3617 static int editor_el_emerald_mine_club[] =
3618 {
3619   EL_EMC_KEY_5,
3620   EL_EMC_KEY_6,
3621   EL_EMC_KEY_7,
3622   EL_EMC_KEY_8,
3623
3624   EL_EMC_GATE_5,
3625   EL_EMC_GATE_6,
3626   EL_EMC_GATE_7,
3627   EL_EMC_GATE_8,
3628
3629   EL_EMC_GATE_5_GRAY,
3630   EL_EMC_GATE_6_GRAY,
3631   EL_EMC_GATE_7_GRAY,
3632   EL_EMC_GATE_8_GRAY,
3633
3634   EL_EMC_STEELWALL_1,
3635   EL_EMC_STEELWALL_2,
3636   EL_EMC_STEELWALL_3,
3637   EL_EMC_STEELWALL_4,
3638
3639   EL_EMC_WALL_13,
3640   EL_EMC_WALL_14,
3641   EL_EMC_WALL_15,
3642   EL_EMC_WALL_16,
3643
3644   EL_EMC_WALL_SLIPPERY_1,
3645   EL_EMC_WALL_SLIPPERY_2,
3646   EL_EMC_WALL_SLIPPERY_3,
3647   EL_EMC_WALL_SLIPPERY_4,
3648
3649   EL_EMC_WALL_1,
3650   EL_EMC_WALL_2,
3651   EL_EMC_WALL_3,
3652   EL_EMC_WALL_4,
3653
3654   EL_EMC_WALL_5,
3655   EL_EMC_WALL_6,
3656   EL_EMC_WALL_7,
3657   EL_EMC_WALL_8,
3658
3659   EL_EMC_WALL_9,
3660   EL_EMC_WALL_10,
3661   EL_EMC_WALL_11,
3662   EL_EMC_WALL_12,
3663
3664   EL_EMC_GRASS,
3665   EL_EMC_FAKE_GRASS,
3666   EL_EMC_PLANT,
3667   EL_EMC_DRIPPER,
3668
3669   EL_EMC_MAGIC_BALL,
3670   EL_EMC_MAGIC_BALL_SWITCH,
3671   EL_SPRING,
3672   EL_EMC_SPRING_BUMPER,
3673
3674   EL_EMC_LENSES,
3675   EL_EMC_MAGNIFIER,
3676   EL_EM_DYNAMITE,
3677   EL_EM_DYNAMITE_ACTIVE,
3678
3679   EL_BALLOON,
3680   EL_YAMYAM_UP,
3681   EL_BALLOON_SWITCH_UP,
3682   EL_BALLOON_SWITCH_ANY,
3683
3684   EL_YAMYAM_LEFT,
3685   EL_BALLOON_SWITCH_LEFT,
3686   EL_YAMYAM_RIGHT,
3687   EL_BALLOON_SWITCH_RIGHT,
3688
3689   EL_EMC_ANDROID,
3690   EL_YAMYAM_DOWN,
3691   EL_BALLOON_SWITCH_DOWN,
3692   EL_BALLOON_SWITCH_NONE,
3693 };
3694 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3695 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3696 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3697 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3698
3699 static int editor_hl_rnd[] =
3700 {
3701   EL_INTERNAL_CASCADE_RND_ACTIVE,
3702   EL_CHAR('R'),
3703   EL_CHAR('N'),
3704   EL_CHAR('D'),
3705 };
3706
3707 static int editor_el_rnd[] =
3708 {
3709   EL_KEY_1,
3710   EL_KEY_2,
3711   EL_KEY_3,
3712   EL_KEY_4,
3713
3714   EL_GATE_1,
3715   EL_GATE_2,
3716   EL_GATE_3,
3717   EL_GATE_4,
3718
3719   EL_GATE_1_GRAY,
3720   EL_GATE_2_GRAY,
3721   EL_GATE_3_GRAY,
3722   EL_GATE_4_GRAY,
3723
3724   EL_ARROW_LEFT,
3725   EL_ARROW_RIGHT,
3726   EL_ARROW_UP,
3727   EL_ARROW_DOWN,
3728
3729   EL_AMOEBA_DEAD,
3730   EL_AMOEBA_DRY,
3731   EL_AMOEBA_FULL,
3732   EL_GAME_OF_LIFE,
3733
3734   EL_EMERALD_YELLOW,
3735   EL_EMERALD_RED,
3736   EL_EMERALD_PURPLE,
3737   EL_BIOMAZE,
3738
3739   EL_WALL_EMERALD_YELLOW,
3740   EL_WALL_EMERALD_RED,
3741   EL_WALL_EMERALD_PURPLE,
3742   EL_WALL_BD_DIAMOND,
3743
3744   EL_SPEED_PILL,
3745   EL_PACMAN_UP,
3746   EL_TIME_ORB_FULL,
3747   EL_TIME_ORB_EMPTY,
3748
3749   EL_PACMAN_LEFT,
3750   EL_DARK_YAMYAM,
3751   EL_PACMAN_RIGHT,
3752   EL_EMPTY,
3753
3754   EL_BLACK_ORB,
3755   EL_PACMAN_DOWN,
3756   EL_LAMP,
3757   EL_LAMP_ACTIVE,
3758
3759   EL_DYNABOMB_INCREASE_NUMBER,
3760   EL_DYNABOMB_INCREASE_SIZE,
3761   EL_DYNABOMB_INCREASE_POWER,
3762   EL_STONEBLOCK,
3763
3764   EL_MOLE,
3765   EL_PENGUIN,
3766   EL_PIG,
3767   EL_DRAGON,
3768
3769   EL_BUG,
3770   EL_MOLE_UP,
3771   EL_BD_BUTTERFLY,
3772   EL_BD_FIREFLY,
3773
3774   EL_MOLE_LEFT,
3775   EL_SATELLITE,
3776   EL_MOLE_RIGHT,
3777   EL_PACMAN,
3778
3779   EL_SPACESHIP,
3780   EL_MOLE_DOWN,
3781   EL_INVISIBLE_STEELWALL,
3782   EL_INVISIBLE_WALL,
3783
3784   EL_EXPANDABLE_WALL,
3785   EL_EXPANDABLE_WALL_HORIZONTAL,
3786   EL_EXPANDABLE_WALL_VERTICAL,
3787   EL_EXPANDABLE_WALL_ANY,
3788 };
3789 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3790 static int *editor_el_rnd_ptr = editor_el_rnd;
3791 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3792 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3793
3794 static int editor_hl_sokoban[] =
3795 {
3796   EL_INTERNAL_CASCADE_SB_ACTIVE,
3797   EL_CHAR('S'),
3798   EL_CHAR('B'),
3799   EL_EMPTY,
3800 };
3801
3802 static int editor_el_sokoban[] =
3803 {
3804   EL_SOKOBAN_OBJECT,
3805   EL_SOKOBAN_FIELD_EMPTY,
3806   EL_SOKOBAN_FIELD_FULL,
3807   EL_SOKOBAN_FIELD_PLAYER,
3808 };
3809 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3810 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3811 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3812 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3813
3814 static int editor_hl_supaplex[] =
3815 {
3816   EL_INTERNAL_CASCADE_SP_ACTIVE,
3817   EL_CHAR('S'),
3818   EL_CHAR('P'),
3819   EL_EMPTY,
3820 };
3821
3822 static int editor_el_supaplex[] =
3823 {
3824   EL_SP_MURPHY,
3825   EL_EMPTY,
3826   EL_SP_BASE,
3827   EL_SP_BUGGY_BASE,
3828
3829   EL_SP_INFOTRON,
3830   EL_SP_ZONK,
3831   EL_SP_SNIKSNAK,
3832   EL_SP_ELECTRON,
3833
3834   EL_SP_DISK_RED,
3835   EL_SP_DISK_ORANGE,
3836   EL_SP_DISK_YELLOW,
3837   EL_SP_TERMINAL,
3838
3839   EL_SP_EXIT_CLOSED,
3840   EL_SP_PORT_HORIZONTAL,
3841   EL_SP_PORT_VERTICAL,
3842   EL_SP_PORT_ANY,
3843
3844   EL_SP_PORT_LEFT,
3845   EL_SP_PORT_RIGHT,
3846   EL_SP_PORT_UP,
3847   EL_SP_PORT_DOWN,
3848
3849   EL_SP_GRAVITY_PORT_LEFT,
3850   EL_SP_GRAVITY_PORT_RIGHT,
3851   EL_SP_GRAVITY_PORT_UP,
3852   EL_SP_GRAVITY_PORT_DOWN,
3853
3854   EL_SP_GRAVITY_ON_PORT_LEFT,
3855   EL_SP_GRAVITY_ON_PORT_RIGHT,
3856   EL_SP_GRAVITY_ON_PORT_UP,
3857   EL_SP_GRAVITY_ON_PORT_DOWN,
3858
3859   EL_SP_GRAVITY_OFF_PORT_LEFT,
3860   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3861   EL_SP_GRAVITY_OFF_PORT_UP,
3862   EL_SP_GRAVITY_OFF_PORT_DOWN,
3863
3864   EL_SP_HARDWARE_GRAY,
3865   EL_SP_HARDWARE_GREEN,
3866   EL_SP_HARDWARE_BLUE,
3867   EL_SP_HARDWARE_RED,
3868
3869   EL_SP_HARDWARE_BASE_1,
3870   EL_SP_HARDWARE_BASE_2,
3871   EL_SP_HARDWARE_BASE_3,
3872   EL_SP_HARDWARE_BASE_4,
3873
3874   EL_SP_HARDWARE_BASE_5,
3875   EL_SP_HARDWARE_BASE_6,
3876   EL_SP_HARDWARE_YELLOW,
3877   EL_SP_CHIP_TOP,
3878
3879   EL_SP_CHIP_SINGLE,
3880   EL_SP_CHIP_LEFT,
3881   EL_SP_CHIP_RIGHT,
3882   EL_SP_CHIP_BOTTOM,
3883 };
3884 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3885 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3886 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3887 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3888
3889 static int editor_hl_diamond_caves[] =
3890 {
3891   EL_INTERNAL_CASCADE_DC_ACTIVE,
3892   EL_CHAR('D'),
3893   EL_CHAR('C'),
3894   EL_CHAR('2'),
3895 };
3896
3897 static int editor_el_diamond_caves[] =
3898 {
3899   EL_PEARL,
3900   EL_CRYSTAL,
3901   EL_WALL_PEARL,
3902   EL_WALL_CRYSTAL,
3903
3904   EL_CONVEYOR_BELT_1_LEFT,
3905   EL_CONVEYOR_BELT_1_MIDDLE,
3906   EL_CONVEYOR_BELT_1_RIGHT,
3907   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3908
3909   EL_CONVEYOR_BELT_2_LEFT,
3910   EL_CONVEYOR_BELT_2_MIDDLE,
3911   EL_CONVEYOR_BELT_2_RIGHT,
3912   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3913
3914   EL_CONVEYOR_BELT_3_LEFT,
3915   EL_CONVEYOR_BELT_3_MIDDLE,
3916   EL_CONVEYOR_BELT_3_RIGHT,
3917   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3918
3919   EL_CONVEYOR_BELT_4_LEFT,
3920   EL_CONVEYOR_BELT_4_MIDDLE,
3921   EL_CONVEYOR_BELT_4_RIGHT,
3922   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3923
3924   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3925   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3926   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3927   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3928
3929   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3930   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3931   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3932   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3933
3934   EL_TIMEGATE_CLOSED,
3935   EL_TIMEGATE_OPEN,
3936   EL_TIMEGATE_SWITCH,
3937   EL_DC_TIMEGATE_SWITCH,
3938
3939   EL_SWITCHGATE_CLOSED,
3940   EL_SWITCHGATE_OPEN,
3941   EL_SWITCHGATE_SWITCH_UP,
3942   EL_SWITCHGATE_SWITCH_DOWN,
3943
3944   EL_LIGHT_SWITCH,
3945   EL_LIGHT_SWITCH_ACTIVE,
3946   EL_DC_SWITCHGATE_SWITCH_UP,
3947   EL_DC_SWITCHGATE_SWITCH_DOWN,
3948
3949   EL_STEEL_EXIT_CLOSED,
3950   EL_STEEL_EXIT_OPEN,
3951   EL_STEELWALL_SLIPPERY,
3952   EL_INVISIBLE_SAND,
3953
3954   EL_QUICKSAND_FAST_EMPTY,
3955   EL_QUICKSAND_FAST_FULL,
3956   EL_LANDMINE,
3957   EL_DC_LANDMINE,
3958
3959   EL_SHIELD_NORMAL,
3960   EL_SHIELD_DEADLY,
3961   EL_EXTRA_TIME,
3962   EL_DC_MAGIC_WALL,
3963
3964   EL_ENVELOPE_1,
3965   EL_ENVELOPE_2,
3966   EL_ENVELOPE_3,
3967   EL_ENVELOPE_4,
3968
3969   EL_SIGN_RADIOACTIVITY,
3970   EL_SIGN_WHEELCHAIR,
3971   EL_SIGN_PARKING,
3972   EL_SIGN_NO_ENTRY,
3973
3974   EL_SIGN_GIVE_WAY,
3975   EL_SIGN_ENTRY_FORBIDDEN,
3976   EL_SIGN_EMERGENCY_EXIT,
3977   EL_SIGN_YIN_YANG,
3978
3979 #if 0
3980   EL_SIGN_SPERMS,
3981   EL_SIGN_BULLET,
3982   EL_SIGN_HEART,
3983   EL_SIGN_CROSS,
3984
3985   EL_SIGN_FRANKIE,
3986   EL_EMPTY,
3987   EL_EMPTY,
3988   EL_EMPTY,
3989
3990   EL_SPERMS,
3991   EL_BULLET,
3992   EL_HEART,
3993   EL_CROSS,
3994
3995   EL_FRANKIE,
3996   EL_EMPTY,
3997   EL_EMPTY,
3998   EL_EMPTY,
3999 #endif
4000
4001   EL_DC_STEELWALL_2_SINGLE,
4002   EL_DC_STEELWALL_2_TOP,
4003   EL_SIGN_EXCLAMATION,
4004   EL_SIGN_STOP,
4005
4006   EL_DC_STEELWALL_2_LEFT,
4007   EL_DC_STEELWALL_2_MIDDLE,
4008   EL_DC_STEELWALL_2_HORIZONTAL,
4009   EL_DC_STEELWALL_2_RIGHT,
4010
4011   EL_DC_STEELWALL_1_TOPLEFT,
4012   EL_DC_STEELWALL_2_VERTICAL,
4013   EL_DC_STEELWALL_1_TOPRIGHT,
4014   EL_DC_GATE_WHITE,
4015
4016   EL_DC_STEELWALL_1_VERTICAL,
4017   EL_DC_STEELWALL_2_BOTTOM,
4018   EL_DC_KEY_WHITE,
4019   EL_DC_GATE_WHITE_GRAY,
4020
4021   EL_DC_STEELWALL_1_BOTTOMLEFT,
4022   EL_DC_STEELWALL_1_HORIZONTAL,
4023   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4024   EL_DC_GATE_FAKE_GRAY,
4025
4026   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4027   EL_DC_STEELWALL_1_BOTTOM,
4028   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4029   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4030
4031   EL_DC_STEELWALL_1_RIGHT,
4032   EL_EMPTY,
4033   EL_DC_STEELWALL_1_LEFT,
4034   EL_EXPANDABLE_STEELWALL_VERTICAL,
4035
4036   EL_DC_STEELWALL_1_TOPRIGHT_2,
4037   EL_DC_STEELWALL_1_TOP,
4038   EL_DC_STEELWALL_1_TOPLEFT_2,
4039   EL_EXPANDABLE_STEELWALL_ANY,
4040 };
4041 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4042 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4043 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4044 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4045
4046 static int editor_hl_dx_boulderdash[] =
4047 {
4048   EL_INTERNAL_CASCADE_DX_ACTIVE,
4049   EL_CHAR('D'),
4050   EL_CHAR('X'),
4051   EL_EMPTY,
4052 };
4053
4054 static int editor_el_dx_boulderdash[] =
4055 {
4056   EL_EMPTY,
4057   EL_TUBE_RIGHT_DOWN,
4058   EL_TUBE_HORIZONTAL_DOWN,
4059   EL_TUBE_LEFT_DOWN,
4060
4061   EL_TUBE_HORIZONTAL,
4062   EL_TUBE_VERTICAL_RIGHT,
4063   EL_TUBE_ANY,
4064   EL_TUBE_VERTICAL_LEFT,
4065
4066   EL_TUBE_VERTICAL,
4067   EL_TUBE_RIGHT_UP,
4068   EL_TUBE_HORIZONTAL_UP,
4069   EL_TUBE_LEFT_UP,
4070
4071   EL_TRAP,
4072   EL_DX_SUPABOMB,
4073   EL_EMPTY,
4074   EL_EMPTY
4075 };
4076 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4077 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4078 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4079 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4080
4081 static int editor_hl_chars[] =
4082 {
4083   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4084   EL_CHAR('T'),
4085   EL_CHAR('X'),
4086   EL_CHAR('T'),
4087 };
4088
4089 static int editor_el_chars[] =
4090 {
4091   EL_CHAR(' '),
4092   EL_CHAR('!'),
4093   EL_CHAR('"'),
4094   EL_CHAR('#'),
4095
4096   EL_CHAR('$'),
4097   EL_CHAR('%'),
4098   EL_CHAR('&'),
4099   EL_CHAR('\''),
4100
4101   EL_CHAR('('),
4102   EL_CHAR(')'),
4103   EL_CHAR('*'),
4104   EL_CHAR('+'),
4105
4106   EL_CHAR(','),
4107   EL_CHAR('-'),
4108   EL_CHAR('.'),
4109   EL_CHAR('/'),
4110
4111   EL_CHAR('0'),
4112   EL_CHAR('1'),
4113   EL_CHAR('2'),
4114   EL_CHAR('3'),
4115
4116   EL_CHAR('4'),
4117   EL_CHAR('5'),
4118   EL_CHAR('6'),
4119   EL_CHAR('7'),
4120
4121   EL_CHAR('8'),
4122   EL_CHAR('9'),
4123   EL_CHAR(':'),
4124   EL_CHAR(';'),
4125
4126   EL_CHAR('<'),
4127   EL_CHAR('='),
4128   EL_CHAR('>'),
4129   EL_CHAR('?'),
4130
4131   EL_CHAR('@'),
4132   EL_CHAR('A'),
4133   EL_CHAR('B'),
4134   EL_CHAR('C'),
4135
4136   EL_CHAR('D'),
4137   EL_CHAR('E'),
4138   EL_CHAR('F'),
4139   EL_CHAR('G'),
4140
4141   EL_CHAR('H'),
4142   EL_CHAR('I'),
4143   EL_CHAR('J'),
4144   EL_CHAR('K'),
4145
4146   EL_CHAR('L'),
4147   EL_CHAR('M'),
4148   EL_CHAR('N'),
4149   EL_CHAR('O'),
4150
4151   EL_CHAR('P'),
4152   EL_CHAR('Q'),
4153   EL_CHAR('R'),
4154   EL_CHAR('S'),
4155
4156   EL_CHAR('T'),
4157   EL_CHAR('U'),
4158   EL_CHAR('V'),
4159   EL_CHAR('W'),
4160
4161   EL_CHAR('X'),
4162   EL_CHAR('Y'),
4163   EL_CHAR('Z'),
4164   EL_CHAR('['),
4165
4166   EL_CHAR('\\'),
4167   EL_CHAR(']'),
4168   EL_CHAR('^'),
4169   EL_CHAR('_'),
4170
4171   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4172   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4173   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4174   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4175
4176   EL_CHAR(CHAR_BYTE_DEGREE),
4177   EL_CHAR(CHAR_BYTE_REGISTERED),
4178   EL_CHAR(FONT_ASCII_CURSOR),
4179   EL_CHAR(FONT_ASCII_BUTTON),
4180
4181   EL_CHAR(FONT_ASCII_UP),
4182   EL_CHAR(FONT_ASCII_DOWN),
4183   EL_CHAR(' '),
4184   EL_CHAR(' ')
4185 };
4186 static int *editor_hl_chars_ptr = editor_hl_chars;
4187 static int *editor_el_chars_ptr = editor_el_chars;
4188 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4189 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4190
4191 static int editor_hl_steel_chars[] =
4192 {
4193   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4194   EL_STEEL_CHAR('T'),
4195   EL_STEEL_CHAR('X'),
4196   EL_STEEL_CHAR('T'),
4197 };
4198
4199 static int editor_el_steel_chars[] =
4200 {
4201   EL_STEEL_CHAR(' '),
4202   EL_STEEL_CHAR('!'),
4203   EL_STEEL_CHAR('"'),
4204   EL_STEEL_CHAR('#'),
4205
4206   EL_STEEL_CHAR('$'),
4207   EL_STEEL_CHAR('%'),
4208   EL_STEEL_CHAR('&'),
4209   EL_STEEL_CHAR('\''),
4210
4211   EL_STEEL_CHAR('('),
4212   EL_STEEL_CHAR(')'),
4213   EL_STEEL_CHAR('*'),
4214   EL_STEEL_CHAR('+'),
4215
4216   EL_STEEL_CHAR(','),
4217   EL_STEEL_CHAR('-'),
4218   EL_STEEL_CHAR('.'),
4219   EL_STEEL_CHAR('/'),
4220
4221   EL_STEEL_CHAR('0'),
4222   EL_STEEL_CHAR('1'),
4223   EL_STEEL_CHAR('2'),
4224   EL_STEEL_CHAR('3'),
4225
4226   EL_STEEL_CHAR('4'),
4227   EL_STEEL_CHAR('5'),
4228   EL_STEEL_CHAR('6'),
4229   EL_STEEL_CHAR('7'),
4230
4231   EL_STEEL_CHAR('8'),
4232   EL_STEEL_CHAR('9'),
4233   EL_STEEL_CHAR(':'),
4234   EL_STEEL_CHAR(';'),
4235
4236   EL_STEEL_CHAR('<'),
4237   EL_STEEL_CHAR('='),
4238   EL_STEEL_CHAR('>'),
4239   EL_STEEL_CHAR('?'),
4240
4241   EL_STEEL_CHAR('@'),
4242   EL_STEEL_CHAR('A'),
4243   EL_STEEL_CHAR('B'),
4244   EL_STEEL_CHAR('C'),
4245
4246   EL_STEEL_CHAR('D'),
4247   EL_STEEL_CHAR('E'),
4248   EL_STEEL_CHAR('F'),
4249   EL_STEEL_CHAR('G'),
4250
4251   EL_STEEL_CHAR('H'),
4252   EL_STEEL_CHAR('I'),
4253   EL_STEEL_CHAR('J'),
4254   EL_STEEL_CHAR('K'),
4255
4256   EL_STEEL_CHAR('L'),
4257   EL_STEEL_CHAR('M'),
4258   EL_STEEL_CHAR('N'),
4259   EL_STEEL_CHAR('O'),
4260
4261   EL_STEEL_CHAR('P'),
4262   EL_STEEL_CHAR('Q'),
4263   EL_STEEL_CHAR('R'),
4264   EL_STEEL_CHAR('S'),
4265
4266   EL_STEEL_CHAR('T'),
4267   EL_STEEL_CHAR('U'),
4268   EL_STEEL_CHAR('V'),
4269   EL_STEEL_CHAR('W'),
4270
4271   EL_STEEL_CHAR('X'),
4272   EL_STEEL_CHAR('Y'),
4273   EL_STEEL_CHAR('Z'),
4274   EL_STEEL_CHAR('['),
4275
4276   EL_STEEL_CHAR('\\'),
4277   EL_STEEL_CHAR(']'),
4278   EL_STEEL_CHAR('^'),
4279   EL_STEEL_CHAR('_'),
4280
4281   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4282   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4283   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4284   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4285
4286   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4287   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4288   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4289   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4290
4291   EL_STEEL_CHAR(FONT_ASCII_UP),
4292   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4293   EL_STEEL_CHAR(' '),
4294   EL_STEEL_CHAR(' ')
4295 };
4296 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4297 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4298 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4299 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4300
4301 static int editor_hl_custom[] =
4302 {
4303   EL_INTERNAL_CASCADE_CE_ACTIVE,
4304   EL_CHAR('C'),
4305   EL_CHAR('E'),
4306   EL_EMPTY,
4307 };
4308
4309 static int editor_el_custom[] =
4310 {
4311   EL_CUSTOM_START + 0,
4312   EL_CUSTOM_START + 1,
4313   EL_CUSTOM_START + 2,
4314   EL_CUSTOM_START + 3,
4315
4316   EL_CUSTOM_START + 4,
4317   EL_CUSTOM_START + 5,
4318   EL_CUSTOM_START + 6,
4319   EL_CUSTOM_START + 7,
4320
4321   EL_CUSTOM_START + 8,
4322   EL_CUSTOM_START + 9,
4323   EL_CUSTOM_START + 10,
4324   EL_CUSTOM_START + 11,
4325
4326   EL_CUSTOM_START + 12,
4327   EL_CUSTOM_START + 13,
4328   EL_CUSTOM_START + 14,
4329   EL_CUSTOM_START + 15,
4330
4331   EL_CUSTOM_START + 16,
4332   EL_CUSTOM_START + 17,
4333   EL_CUSTOM_START + 18,
4334   EL_CUSTOM_START + 19,
4335
4336   EL_CUSTOM_START + 20,
4337   EL_CUSTOM_START + 21,
4338   EL_CUSTOM_START + 22,
4339   EL_CUSTOM_START + 23,
4340
4341   EL_CUSTOM_START + 24,
4342   EL_CUSTOM_START + 25,
4343   EL_CUSTOM_START + 26,
4344   EL_CUSTOM_START + 27,
4345
4346   EL_CUSTOM_START + 28,
4347   EL_CUSTOM_START + 29,
4348   EL_CUSTOM_START + 30,
4349   EL_CUSTOM_START + 31,
4350
4351   EL_CUSTOM_START + 32,
4352   EL_CUSTOM_START + 33,
4353   EL_CUSTOM_START + 34,
4354   EL_CUSTOM_START + 35,
4355
4356   EL_CUSTOM_START + 36,
4357   EL_CUSTOM_START + 37,
4358   EL_CUSTOM_START + 38,
4359   EL_CUSTOM_START + 39,
4360
4361   EL_CUSTOM_START + 40,
4362   EL_CUSTOM_START + 41,
4363   EL_CUSTOM_START + 42,
4364   EL_CUSTOM_START + 43,
4365
4366   EL_CUSTOM_START + 44,
4367   EL_CUSTOM_START + 45,
4368   EL_CUSTOM_START + 46,
4369   EL_CUSTOM_START + 47,
4370
4371   EL_CUSTOM_START + 48,
4372   EL_CUSTOM_START + 49,
4373   EL_CUSTOM_START + 50,
4374   EL_CUSTOM_START + 51,
4375
4376   EL_CUSTOM_START + 52,
4377   EL_CUSTOM_START + 53,
4378   EL_CUSTOM_START + 54,
4379   EL_CUSTOM_START + 55,
4380
4381   EL_CUSTOM_START + 56,
4382   EL_CUSTOM_START + 57,
4383   EL_CUSTOM_START + 58,
4384   EL_CUSTOM_START + 59,
4385
4386   EL_CUSTOM_START + 60,
4387   EL_CUSTOM_START + 61,
4388   EL_CUSTOM_START + 62,
4389   EL_CUSTOM_START + 63,
4390
4391   EL_CUSTOM_START + 64,
4392   EL_CUSTOM_START + 65,
4393   EL_CUSTOM_START + 66,
4394   EL_CUSTOM_START + 67,
4395
4396   EL_CUSTOM_START + 68,
4397   EL_CUSTOM_START + 69,
4398   EL_CUSTOM_START + 70,
4399   EL_CUSTOM_START + 71,
4400
4401   EL_CUSTOM_START + 72,
4402   EL_CUSTOM_START + 73,
4403   EL_CUSTOM_START + 74,
4404   EL_CUSTOM_START + 75,
4405
4406   EL_CUSTOM_START + 76,
4407   EL_CUSTOM_START + 77,
4408   EL_CUSTOM_START + 78,
4409   EL_CUSTOM_START + 79,
4410
4411   EL_CUSTOM_START + 80,
4412   EL_CUSTOM_START + 81,
4413   EL_CUSTOM_START + 82,
4414   EL_CUSTOM_START + 83,
4415
4416   EL_CUSTOM_START + 84,
4417   EL_CUSTOM_START + 85,
4418   EL_CUSTOM_START + 86,
4419   EL_CUSTOM_START + 87,
4420
4421   EL_CUSTOM_START + 88,
4422   EL_CUSTOM_START + 89,
4423   EL_CUSTOM_START + 90,
4424   EL_CUSTOM_START + 91,
4425
4426   EL_CUSTOM_START + 92,
4427   EL_CUSTOM_START + 93,
4428   EL_CUSTOM_START + 94,
4429   EL_CUSTOM_START + 95,
4430
4431   EL_CUSTOM_START + 96,
4432   EL_CUSTOM_START + 97,
4433   EL_CUSTOM_START + 98,
4434   EL_CUSTOM_START + 99,
4435
4436   EL_CUSTOM_START + 100,
4437   EL_CUSTOM_START + 101,
4438   EL_CUSTOM_START + 102,
4439   EL_CUSTOM_START + 103,
4440
4441   EL_CUSTOM_START + 104,
4442   EL_CUSTOM_START + 105,
4443   EL_CUSTOM_START + 106,
4444   EL_CUSTOM_START + 107,
4445
4446   EL_CUSTOM_START + 108,
4447   EL_CUSTOM_START + 109,
4448   EL_CUSTOM_START + 110,
4449   EL_CUSTOM_START + 111,
4450
4451   EL_CUSTOM_START + 112,
4452   EL_CUSTOM_START + 113,
4453   EL_CUSTOM_START + 114,
4454   EL_CUSTOM_START + 115,
4455
4456   EL_CUSTOM_START + 116,
4457   EL_CUSTOM_START + 117,
4458   EL_CUSTOM_START + 118,
4459   EL_CUSTOM_START + 119,
4460
4461   EL_CUSTOM_START + 120,
4462   EL_CUSTOM_START + 121,
4463   EL_CUSTOM_START + 122,
4464   EL_CUSTOM_START + 123,
4465
4466   EL_CUSTOM_START + 124,
4467   EL_CUSTOM_START + 125,
4468   EL_CUSTOM_START + 126,
4469   EL_CUSTOM_START + 127,
4470
4471   EL_CUSTOM_START + 128,
4472   EL_CUSTOM_START + 129,
4473   EL_CUSTOM_START + 130,
4474   EL_CUSTOM_START + 131,
4475
4476   EL_CUSTOM_START + 132,
4477   EL_CUSTOM_START + 133,
4478   EL_CUSTOM_START + 134,
4479   EL_CUSTOM_START + 135,
4480
4481   EL_CUSTOM_START + 136,
4482   EL_CUSTOM_START + 137,
4483   EL_CUSTOM_START + 138,
4484   EL_CUSTOM_START + 139,
4485
4486   EL_CUSTOM_START + 140,
4487   EL_CUSTOM_START + 141,
4488   EL_CUSTOM_START + 142,
4489   EL_CUSTOM_START + 143,
4490
4491   EL_CUSTOM_START + 144,
4492   EL_CUSTOM_START + 145,
4493   EL_CUSTOM_START + 146,
4494   EL_CUSTOM_START + 147,
4495
4496   EL_CUSTOM_START + 148,
4497   EL_CUSTOM_START + 149,
4498   EL_CUSTOM_START + 150,
4499   EL_CUSTOM_START + 151,
4500
4501   EL_CUSTOM_START + 152,
4502   EL_CUSTOM_START + 153,
4503   EL_CUSTOM_START + 154,
4504   EL_CUSTOM_START + 155,
4505
4506   EL_CUSTOM_START + 156,
4507   EL_CUSTOM_START + 157,
4508   EL_CUSTOM_START + 158,
4509   EL_CUSTOM_START + 159,
4510
4511   EL_CUSTOM_START + 160,
4512   EL_CUSTOM_START + 161,
4513   EL_CUSTOM_START + 162,
4514   EL_CUSTOM_START + 163,
4515
4516   EL_CUSTOM_START + 164,
4517   EL_CUSTOM_START + 165,
4518   EL_CUSTOM_START + 166,
4519   EL_CUSTOM_START + 167,
4520
4521   EL_CUSTOM_START + 168,
4522   EL_CUSTOM_START + 169,
4523   EL_CUSTOM_START + 170,
4524   EL_CUSTOM_START + 171,
4525
4526   EL_CUSTOM_START + 172,
4527   EL_CUSTOM_START + 173,
4528   EL_CUSTOM_START + 174,
4529   EL_CUSTOM_START + 175,
4530
4531   EL_CUSTOM_START + 176,
4532   EL_CUSTOM_START + 177,
4533   EL_CUSTOM_START + 178,
4534   EL_CUSTOM_START + 179,
4535
4536   EL_CUSTOM_START + 180,
4537   EL_CUSTOM_START + 181,
4538   EL_CUSTOM_START + 182,
4539   EL_CUSTOM_START + 183,
4540
4541   EL_CUSTOM_START + 184,
4542   EL_CUSTOM_START + 185,
4543   EL_CUSTOM_START + 186,
4544   EL_CUSTOM_START + 187,
4545
4546   EL_CUSTOM_START + 188,
4547   EL_CUSTOM_START + 189,
4548   EL_CUSTOM_START + 190,
4549   EL_CUSTOM_START + 191,
4550
4551   EL_CUSTOM_START + 192,
4552   EL_CUSTOM_START + 193,
4553   EL_CUSTOM_START + 194,
4554   EL_CUSTOM_START + 195,
4555
4556   EL_CUSTOM_START + 196,
4557   EL_CUSTOM_START + 197,
4558   EL_CUSTOM_START + 198,
4559   EL_CUSTOM_START + 199,
4560
4561   EL_CUSTOM_START + 200,
4562   EL_CUSTOM_START + 201,
4563   EL_CUSTOM_START + 202,
4564   EL_CUSTOM_START + 203,
4565
4566   EL_CUSTOM_START + 204,
4567   EL_CUSTOM_START + 205,
4568   EL_CUSTOM_START + 206,
4569   EL_CUSTOM_START + 207,
4570
4571   EL_CUSTOM_START + 208,
4572   EL_CUSTOM_START + 209,
4573   EL_CUSTOM_START + 210,
4574   EL_CUSTOM_START + 211,
4575
4576   EL_CUSTOM_START + 212,
4577   EL_CUSTOM_START + 213,
4578   EL_CUSTOM_START + 214,
4579   EL_CUSTOM_START + 215,
4580
4581   EL_CUSTOM_START + 216,
4582   EL_CUSTOM_START + 217,
4583   EL_CUSTOM_START + 218,
4584   EL_CUSTOM_START + 219,
4585
4586   EL_CUSTOM_START + 220,
4587   EL_CUSTOM_START + 221,
4588   EL_CUSTOM_START + 222,
4589   EL_CUSTOM_START + 223,
4590
4591   EL_CUSTOM_START + 224,
4592   EL_CUSTOM_START + 225,
4593   EL_CUSTOM_START + 226,
4594   EL_CUSTOM_START + 227,
4595
4596   EL_CUSTOM_START + 228,
4597   EL_CUSTOM_START + 229,
4598   EL_CUSTOM_START + 230,
4599   EL_CUSTOM_START + 231,
4600
4601   EL_CUSTOM_START + 232,
4602   EL_CUSTOM_START + 233,
4603   EL_CUSTOM_START + 234,
4604   EL_CUSTOM_START + 235,
4605
4606   EL_CUSTOM_START + 236,
4607   EL_CUSTOM_START + 237,
4608   EL_CUSTOM_START + 238,
4609   EL_CUSTOM_START + 239,
4610
4611   EL_CUSTOM_START + 240,
4612   EL_CUSTOM_START + 241,
4613   EL_CUSTOM_START + 242,
4614   EL_CUSTOM_START + 243,
4615
4616   EL_CUSTOM_START + 244,
4617   EL_CUSTOM_START + 245,
4618   EL_CUSTOM_START + 246,
4619   EL_CUSTOM_START + 247,
4620
4621   EL_CUSTOM_START + 248,
4622   EL_CUSTOM_START + 249,
4623   EL_CUSTOM_START + 250,
4624   EL_CUSTOM_START + 251,
4625
4626   EL_CUSTOM_START + 252,
4627   EL_CUSTOM_START + 253,
4628   EL_CUSTOM_START + 254,
4629   EL_CUSTOM_START + 255
4630 };
4631 static int *editor_hl_custom_ptr = editor_hl_custom;
4632 static int *editor_el_custom_ptr = editor_el_custom;
4633 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4634 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4635
4636 static int editor_hl_group[] =
4637 {
4638   EL_INTERNAL_CASCADE_GE_ACTIVE,
4639   EL_CHAR('G'),
4640   EL_CHAR('E'),
4641   EL_EMPTY,
4642 };
4643
4644 static int editor_el_group[] =
4645 {
4646   EL_GROUP_START + 0,
4647   EL_GROUP_START + 1,
4648   EL_GROUP_START + 2,
4649   EL_GROUP_START + 3,
4650
4651   EL_GROUP_START + 4,
4652   EL_GROUP_START + 5,
4653   EL_GROUP_START + 6,
4654   EL_GROUP_START + 7,
4655
4656   EL_GROUP_START + 8,
4657   EL_GROUP_START + 9,
4658   EL_GROUP_START + 10,
4659   EL_GROUP_START + 11,
4660
4661   EL_GROUP_START + 12,
4662   EL_GROUP_START + 13,
4663   EL_GROUP_START + 14,
4664   EL_GROUP_START + 15,
4665
4666   EL_GROUP_START + 16,
4667   EL_GROUP_START + 17,
4668   EL_GROUP_START + 18,
4669   EL_GROUP_START + 19,
4670
4671   EL_GROUP_START + 20,
4672   EL_GROUP_START + 21,
4673   EL_GROUP_START + 22,
4674   EL_GROUP_START + 23,
4675
4676   EL_GROUP_START + 24,
4677   EL_GROUP_START + 25,
4678   EL_GROUP_START + 26,
4679   EL_GROUP_START + 27,
4680
4681   EL_GROUP_START + 28,
4682   EL_GROUP_START + 29,
4683   EL_GROUP_START + 30,
4684   EL_GROUP_START + 31
4685 };
4686 static int *editor_hl_group_ptr = editor_hl_group;
4687 static int *editor_el_group_ptr = editor_el_group;
4688 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4689 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4690
4691 static int editor_hl_reference[] =
4692 {
4693   EL_INTERNAL_CASCADE_REF_ACTIVE,
4694   EL_CHAR('R'),
4695   EL_CHAR('E'),
4696   EL_CHAR('F')
4697 };
4698
4699 static int editor_el_reference[] =
4700 {
4701   EL_TRIGGER_PLAYER,
4702   EL_TRIGGER_ELEMENT,
4703   EL_TRIGGER_CE_VALUE,
4704   EL_TRIGGER_CE_SCORE,
4705
4706   EL_SELF,
4707   EL_ANY_ELEMENT,
4708   EL_CURRENT_CE_VALUE,
4709   EL_CURRENT_CE_SCORE,
4710
4711   EL_PREV_CE_8,
4712   EL_PREV_CE_7,
4713   EL_PREV_CE_6,
4714   EL_PREV_CE_5,
4715
4716   EL_PREV_CE_4,
4717   EL_PREV_CE_3,
4718   EL_PREV_CE_2,
4719   EL_PREV_CE_1,
4720
4721   EL_NEXT_CE_1,
4722   EL_NEXT_CE_2,
4723   EL_NEXT_CE_3,
4724   EL_NEXT_CE_4,
4725
4726   EL_NEXT_CE_5,
4727   EL_NEXT_CE_6,
4728   EL_NEXT_CE_7,
4729   EL_NEXT_CE_8,
4730 };
4731 static int *editor_hl_reference_ptr = editor_hl_reference;
4732 static int *editor_el_reference_ptr = editor_el_reference;
4733 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4734 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4735
4736 static int editor_hl_user_defined[] =
4737 {
4738   EL_INTERNAL_CASCADE_USER_ACTIVE,
4739   EL_CHAR('M'),
4740   EL_CHAR('Y'),
4741   EL_EMPTY,
4742 };
4743
4744 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4745 static int *editor_el_user_defined_ptr = NULL;
4746 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4747 static int num_editor_el_user_defined = 0;
4748
4749 static int editor_hl_dynamic[] =
4750 {
4751   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4752   EL_CHAR('U'),
4753   EL_CHAR('S'),
4754   EL_CHAR('E'),
4755 };
4756
4757 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4758 static int *editor_el_dynamic_ptr = NULL;
4759 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4760 static int num_editor_el_dynamic = 0;
4761
4762 static int editor_hl_empty[] = { EL_EMPTY };
4763 static int *editor_el_empty = NULL;     /* dynamically allocated */
4764
4765 static int *editor_hl_empty_ptr = editor_hl_empty;
4766 static int *editor_el_empty_ptr = NULL;
4767 static int num_editor_hl_empty = 0;
4768 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4769
4770 static boolean use_el_empty = FALSE;
4771
4772 static int *editor_elements = NULL;     /* dynamically allocated */
4773 static int num_editor_elements = 0;     /* dynamically determined */
4774
4775 static boolean setup_editor_show_always = TRUE;
4776 static boolean setup_editor_cascade_never = FALSE;
4777
4778 static int editor_hl_unused[] = { EL_EMPTY };
4779 static int *editor_hl_unused_ptr = editor_hl_unused;
4780 static int num_editor_hl_unused = 0;
4781
4782 static struct
4783 {
4784   boolean *setup_value;
4785   boolean *setup_cascade_value;
4786
4787   int **headline_list;
4788   int *headline_list_size;
4789
4790   int **element_list;
4791   int *element_list_size;
4792
4793   boolean last_setup_value;
4794 }
4795 editor_elements_info[] =
4796 {
4797   {
4798     &setup_editor_show_always,
4799     &setup_editor_cascade_never,
4800     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4801     &editor_el_players_ptr,             &num_editor_el_players
4802   },
4803   {
4804     &setup.editor.el_boulderdash,
4805     &setup.editor_cascade.el_bd,
4806     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4807     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4808   },
4809   {
4810     &setup.editor.el_emerald_mine,
4811     &setup.editor_cascade.el_em,
4812     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4813     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4814   },
4815   {
4816     &setup.editor.el_emerald_mine_club,
4817     &setup.editor_cascade.el_emc,
4818     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4819     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4820   },
4821   {
4822     &setup.editor.el_more,
4823     &setup.editor_cascade.el_rnd,
4824     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4825     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4826   },
4827   {
4828     &setup.editor.el_sokoban,
4829     &setup.editor_cascade.el_sb,
4830     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4831     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4832   },
4833   {
4834     &setup.editor.el_supaplex,
4835     &setup.editor_cascade.el_sp,
4836     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4837     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4838   },
4839   {
4840     &setup.editor.el_diamond_caves,
4841     &setup.editor_cascade.el_dc,
4842     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4843     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4844   },
4845   {
4846     &setup.editor.el_dx_boulderdash,
4847     &setup.editor_cascade.el_dx,
4848     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4849     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4850   },
4851   {
4852     &setup.editor.el_chars,
4853     &setup.editor_cascade.el_chars,
4854     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4855     &editor_el_chars_ptr,               &num_editor_el_chars
4856   },
4857   {
4858     &setup.editor.el_steel_chars,
4859     &setup.editor_cascade.el_steel_chars,
4860     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4861     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4862   },
4863   {
4864     &setup.editor.el_custom,
4865     &setup.editor_cascade.el_ce,
4866     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4867     &editor_el_custom_ptr,              &num_editor_el_custom
4868   },
4869   {
4870     &setup.editor.el_custom,
4871     &setup.editor_cascade.el_ge,
4872     &editor_hl_group_ptr,               &num_editor_hl_group,
4873     &editor_el_group_ptr,               &num_editor_el_group
4874   },
4875   {
4876     &setup.editor.el_custom,
4877     &setup.editor_cascade.el_ref,
4878     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4879     &editor_el_reference_ptr,           &num_editor_el_reference
4880   },
4881   {
4882     &setup.editor.el_user_defined,
4883     &setup.editor_cascade.el_user,
4884     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4885     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4886   },
4887   {
4888     &setup.editor.el_dynamic,
4889     &setup.editor_cascade.el_dynamic,
4890     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4891     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4892   },
4893   {
4894     &use_el_empty,
4895     &use_el_empty,
4896     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4897     &editor_el_empty_ptr,               &num_editor_el_empty,
4898   },
4899   {
4900     NULL,
4901     NULL,
4902     NULL,                               NULL,
4903     NULL,                               NULL
4904   }
4905 };
4906
4907
4908 /*
4909   -----------------------------------------------------------------------------
4910   functions
4911   -----------------------------------------------------------------------------
4912 */
4913
4914 static int getMaxInfoTextLength()
4915 {
4916   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4917 }
4918
4919 static int getTextWidthForGadget(char *text)
4920 {
4921   if (text == NULL)
4922     return 0;
4923
4924   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4925 }
4926
4927 static int getTextWidthForDrawingArea(char *text)
4928 {
4929   if (text == NULL)
4930     return 0;
4931
4932   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4933 }
4934
4935 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4936 {
4937   return (gi->x + gi->width + getTextWidthForGadget(text));
4938 }
4939
4940 static char *getElementInfoText(int element)
4941 {
4942   char *info_text = NULL;
4943
4944   if (element < MAX_NUM_ELEMENTS)
4945   {
4946     if (strlen(element_info[element].description) > 0)
4947       info_text = element_info[element].description;
4948     else if (element_info[element].custom_description != NULL)
4949       info_text = element_info[element].custom_description;
4950     else if (element_info[element].editor_description != NULL)
4951       info_text = element_info[element].editor_description;
4952   }
4953
4954   if (info_text == NULL)
4955     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4956
4957   return info_text;
4958 }
4959
4960 static char *getElementDescriptionFilenameExt(char *basename)
4961 {
4962   char *elements_subdir = "elements";
4963   static char *elements_subdir2 = NULL;
4964   static char *filename = NULL;
4965
4966   if (elements_subdir2 == NULL)
4967     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4968
4969   checked_free(filename);
4970
4971   /* 1st try: look for element description in current level set directory */
4972   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4973   if (fileExists(filename))
4974     return filename;
4975
4976   free(filename);
4977
4978   /* 2nd try: look for element description in the game's base directory */
4979   filename = getPath3(options.docs_directory, elements_subdir, basename);
4980   if (fileExists(filename))
4981     return filename;
4982
4983   return NULL;
4984 }
4985
4986 char *getElementDescriptionFilename(int element)
4987 {
4988   char basename[MAX_FILENAME_LEN];
4989   char *filename;
4990
4991   /* 1st try: look for element description file for exactly this element */
4992   sprintf(basename, "%s.txt", element_info[element].token_name);
4993   filename = getElementDescriptionFilenameExt(basename);
4994   if (filename != NULL)
4995     return filename;
4996
4997   /* 2nd try: look for element description file for this element's class */
4998   sprintf(basename, "%s.txt", element_info[element].class_name);
4999   filename = getElementDescriptionFilenameExt(basename);
5000   if (filename != NULL)
5001     return filename;
5002
5003   return NULL;
5004 }
5005
5006 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5007 {
5008   boolean element_found[NUM_FILE_ELEMENTS];
5009   int i, x, y;
5010
5011   /* initialize list of used elements to "not used" */
5012   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5013     element_found[i] = FALSE;
5014
5015   /* find all elements used in current level */
5016   for (y = 0; y < lev_fieldy; y++)
5017     for (x = 0; x < lev_fieldx; x++)
5018       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5019         element_found[Feld[x][y]] = TRUE;
5020
5021   *num_elements = 0;
5022
5023   /* count number of elements used in current level */
5024   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5025     if (element_found[i])
5026       (*num_elements)++;
5027
5028   /* add space for up to 3 more elements for padding that may be needed */
5029   *num_elements += 3;
5030
5031   /* free memory for old list of elements, if needed */
5032   checked_free(*elements);
5033
5034   /* allocate memory for new list of elements */
5035   *elements = checked_malloc(*num_elements * sizeof(int));
5036
5037   *num_elements = 0;
5038
5039   /* add all elements used in current level (non-custom/group elements) */
5040   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5041     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5042       (*elements)[(*num_elements)++] = i;
5043
5044   /* add all elements used in current level (custom/group elements) */
5045   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5046     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5047       (*elements)[(*num_elements)++] = i;
5048
5049   while (*num_elements % 4)     /* pad with empty elements, if needed */
5050     (*elements)[(*num_elements)++] = EL_EMPTY;
5051 }
5052
5053 static void ReinitializeElementList()
5054 {
5055   static boolean initialization_needed = TRUE;
5056   int pos = 0;
5057   int i, j;
5058
5059   if (initialization_needed)
5060   {
5061     LoadSetup_EditorCascade();          /* load last editor cascade state */
5062
5063     /* initialize editor cascade element from saved cascade state */
5064     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5065     {
5066       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5067       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5068
5069       if (IS_EDITOR_CASCADE(*cascade_element))
5070         *cascade_element =
5071           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5072            EL_CASCADE_INACTIVE(*cascade_element));
5073     }
5074
5075     initialization_needed = FALSE;
5076   }
5077
5078   checked_free(editor_elements);
5079
5080   /* reload optional user defined element list for each invocation of editor */
5081   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5082                                    &num_editor_el_user_defined);
5083
5084   /* initialize dynamic level element list for each invocation of editor */
5085   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5086                                &num_editor_el_dynamic);
5087
5088   /* initialize list of empty elements (used for padding, if needed) */
5089   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5090     editor_el_empty[i] = EL_EMPTY;
5091
5092   /* do some sanity checks for each element from element list */
5093   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5094   {
5095     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5096     {
5097       int element = (*editor_elements_info[i].element_list)[j];
5098
5099       if (element >= NUM_FILE_ELEMENTS)
5100         Error(ERR_WARN, "editor element %d is runtime element", element);
5101
5102       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5103         Error(ERR_WARN, "no element description for element %d", element);
5104     }
5105   }
5106
5107   num_editor_elements = 0;
5108   use_el_empty = FALSE;
5109
5110   /* determine size of element list */
5111   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5112   {
5113     boolean found_inactive_cascade = FALSE;
5114
5115     if (*editor_elements_info[i].setup_value)
5116     {
5117       if (setup.editor.el_headlines)
5118       {
5119         // required for correct padding of palette headline buttons
5120         if (*editor_elements_info[i].headline_list_size > 0)
5121           num_editor_elements += editor.palette.cols;
5122
5123         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5124         {
5125           int element = (*editor_elements_info[i].headline_list)[j];
5126
5127           if (IS_EDITOR_CASCADE_INACTIVE(element))
5128             found_inactive_cascade = TRUE;
5129         }
5130       }
5131
5132       if (found_inactive_cascade)
5133         continue;
5134
5135       // required for correct padding of palette element buttons
5136       int element_list_size = *editor_elements_info[i].element_list_size;
5137       int element_rows =
5138         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5139       int element_buttons = editor.palette.cols * element_rows;
5140
5141       num_editor_elements += element_buttons;
5142     }
5143   }
5144
5145   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5146   {
5147     /* offer at least as many elements as element buttons exist */
5148     use_el_empty = TRUE;
5149     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5150
5151     num_editor_elements += num_editor_el_empty;
5152   }
5153
5154   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5155
5156   /* fill element list */
5157   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5158   {
5159     boolean found_inactive_cascade = FALSE;
5160
5161     if (*editor_elements_info[i].setup_value)
5162     {
5163       if (setup.editor.el_headlines)
5164       {
5165         // required for correct padding of palette headline buttons
5166         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5167                              editor.palette.cols : 0);
5168
5169         for (j = 0; j < headline_size; j++)
5170         {
5171           // use empty elements for padding of palette headline buttons
5172           int element = (j < *editor_elements_info[i].headline_list_size ?
5173                          (*editor_elements_info[i].headline_list)[j] :
5174                          editor_el_empty[0]);
5175
5176           editor_elements[pos++] = element;
5177
5178           if (IS_EDITOR_CASCADE_INACTIVE(element))
5179             found_inactive_cascade = TRUE;
5180         }
5181       }
5182
5183       if (found_inactive_cascade)
5184         continue;
5185
5186       // required for correct padding of palette element buttons
5187       int element_list_size = *editor_elements_info[i].element_list_size;
5188       int element_rows =
5189         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5190       int element_buttons = editor.palette.cols * element_rows;
5191
5192       // copy all elements from element list
5193       for (j = 0; j < element_list_size; j++)
5194         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5195
5196       // use empty elements for padding of palette element buttons
5197       for (j = 0; j < element_buttons - element_list_size; j++)
5198         editor_elements[pos++] = editor_el_empty[0];
5199     }
5200   }
5201
5202   /* (this function is also called before editor gadgets are initialized!) */
5203   AdjustElementListScrollbar();
5204 }
5205
5206 void PrintEditorElementList()
5207 {
5208   boolean *stop = &setup.editor.el_user_defined;
5209   int i, j;
5210
5211   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5212   {
5213     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5214
5215     if (IS_EDITOR_CASCADE(cascade_element))
5216     {
5217       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5218       char *headline = element_info[cascade_element_show].editor_description;
5219
5220       PrintLineWithPrefix("# ", "-", 77);
5221       Print("# %s\n", headline);
5222       PrintLineWithPrefix("# ", "-", 77);
5223     }
5224
5225     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5226     {
5227       int element = (*editor_elements_info[i].headline_list)[j];
5228
5229       if (IS_EDITOR_CASCADE(element))
5230         element = EL_CHAR_MINUS;
5231
5232       Print("# %s\n", element_info[element].token_name);
5233     }
5234
5235     if (j > 0)
5236       Print("#\n");
5237
5238     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5239     {
5240       int element = (*editor_elements_info[i].element_list)[j];
5241
5242       Print("# %s\n", element_info[element].token_name);
5243     }
5244
5245     if (j > 0)
5246       Print("#\n");
5247   }
5248 }
5249
5250 static void ReinitializeElementListButtons()
5251 {
5252   static boolean last_setup_value_headlines = FALSE;
5253   static boolean initialization_needed = TRUE;
5254   int i;
5255
5256   if (!initialization_needed)   /* check if editor element setup has changed */
5257   {
5258     if (last_setup_value_headlines != setup.editor.el_headlines)
5259       initialization_needed = TRUE;
5260
5261     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5262       if (editor_elements_info[i].last_setup_value !=
5263           *editor_elements_info[i].setup_value)
5264         initialization_needed = TRUE;
5265   }
5266
5267   if (!initialization_needed)
5268     return;
5269
5270   FreeLevelEditorGadgets();
5271   CreateLevelEditorGadgets();
5272
5273   /* store current setup values for next invocation of this function */
5274   last_setup_value_headlines = setup.editor.el_headlines;
5275   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5276     editor_elements_info[i].last_setup_value =
5277       *editor_elements_info[i].setup_value;
5278
5279   initialization_needed = FALSE;
5280 }
5281
5282 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5283                               boolean input)
5284 {
5285   int border_graphic =
5286     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5287   struct GraphicInfo *g = &graphic_info[border_graphic];
5288   Bitmap *src_bitmap = g->bitmap;
5289   int src_x = g->src_x;
5290   int src_y = g->src_y;
5291   int border_size = g->border_size;
5292   int border_xpos = g->width  - border_size;
5293   int border_ypos = g->height - border_size;
5294   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5295   int i;
5296
5297   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5298              border_size, border_size,
5299              dest_x - border_size, dest_y - border_size);
5300   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5301              border_size, border_size,
5302              dest_x + width, dest_y - border_size);
5303   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5304              border_size, border_size,
5305              dest_x - border_size, dest_y + height);
5306   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5307              border_size, border_size,
5308              dest_x + width, dest_y + height);
5309
5310   for (i = 0; i < width / tilesize; i++)
5311   {
5312     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5313                tilesize, border_size,
5314                dest_x + i * tilesize, dest_y - border_size);
5315     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5316                tilesize, border_size,
5317                dest_x + i * tilesize, dest_y + height);
5318   }
5319
5320   for (i = 0; i < height / tilesize; i++)
5321   {
5322     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5323                border_size, tilesize,
5324                dest_x - border_size, dest_y + i * tilesize);
5325     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5326                border_size, tilesize,
5327                dest_x + width, dest_y + i * tilesize);
5328   }
5329
5330   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5331 }
5332
5333 static void DrawEditorElement(int x, int y, int element)
5334 {
5335   DrawSizedElement(x, y, element, ed_tilesize);
5336 }
5337
5338 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5339 {
5340   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5341 }
5342
5343 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5344 {
5345   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5346 }
5347
5348 static void DrawDrawingArea(int id)
5349 {
5350   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5351   int x, y;
5352
5353   int *value = drawingarea_info[id].value;
5354   int area_xsize = drawingarea_info[id].area_xsize;
5355   int area_ysize = drawingarea_info[id].area_ysize;
5356   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5357
5358   for (x = 0; x < area_xsize; x++)
5359     for (y = 0; y < area_ysize; y++)
5360       DrawSizedGraphicExt(drawto,
5361                           gi->x + x * tilesize,
5362                           gi->y + y * tilesize,
5363                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5364 }
5365
5366 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5367 {
5368   int x, y;
5369   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5370   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5371
5372   BlitBitmap(drawto, drawto,
5373              SX + (dx == -1 ? ed_tilesize : 0),
5374              SY + (dy == -1 ? ed_tilesize : 0),
5375              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5376              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5377              SX + (dx == +1 ? ed_tilesize : 0),
5378              SY + (dy == +1 ? ed_tilesize : 0));
5379
5380   if (dx)
5381   {
5382     x = (dx == 1 ? 0 : ed_fieldx - 1);
5383     for (y = 0; y < ed_fieldy; y++)
5384       DrawEditorElementOrWall(x, y, from_x, from_y);
5385   }
5386   else if (dy)
5387   {
5388     y = (dy == 1 ? 0 : ed_fieldy - 1);
5389     for (x = 0; x < ed_fieldx; x++)
5390       DrawEditorElementOrWall(x, y, from_x, from_y);
5391   }
5392
5393   redraw_mask |= REDRAW_FIELD;
5394   BackToFront();
5395 }
5396
5397 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5398 {
5399   int graphic = el2edimg(element);
5400   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5401                    MINI_TILESIZE);
5402
5403   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5404 }
5405
5406 static void CreateControlButtons()
5407 {
5408   struct GadgetInfo *gi;
5409   int i;
5410
5411   /* create toolbox buttons */
5412   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5413   {
5414     int id = controlbutton_info[i].gadget_id;
5415     int type = controlbutton_info[i].gadget_type;
5416     int graphic = controlbutton_info[i].graphic;
5417     struct XY *pos = controlbutton_info[i].pos;
5418     struct GraphicInfo *gd = &graphic_info[graphic];
5419     int gd_x1 = gd->src_x;
5420     int gd_y1 = gd->src_y;
5421     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5422     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5423     int gd_x1a = gd->src_x + gd->active_xoffset;
5424     int gd_y1a = gd->src_y + gd->active_yoffset;
5425     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5426     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5427     int x = pos->x;
5428     int y = pos->y;
5429     unsigned int event_mask;
5430     int radio_button_nr = RADIO_NR_NONE;
5431     boolean checked = FALSE;
5432
5433     if (type == GD_TYPE_RADIO_BUTTON)
5434     {
5435       event_mask = GD_EVENT_PRESSED;
5436       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5437
5438       if (id == drawing_function)
5439         checked = TRUE;
5440     }
5441     else
5442     {
5443       if (id == GADGET_ID_WRAP_LEFT ||
5444           id == GADGET_ID_WRAP_RIGHT ||
5445           id == GADGET_ID_WRAP_UP ||
5446           id == GADGET_ID_WRAP_DOWN)
5447         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5448       else
5449         event_mask = GD_EVENT_RELEASED;
5450     }
5451
5452     if (id == GADGET_ID_PROPERTIES)
5453     {
5454       x += DX;
5455       y += DY;
5456     }
5457     else
5458     {
5459       x += EX;
5460       y += EY;
5461     }
5462
5463     gi = CreateGadget(GDI_CUSTOM_ID, id,
5464                       GDI_CUSTOM_TYPE_ID, i,
5465                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5466                       GDI_X, x,
5467                       GDI_Y, y,
5468                       GDI_WIDTH, gd->width,
5469                       GDI_HEIGHT, gd->height,
5470                       GDI_TYPE, type,
5471                       GDI_STATE, GD_BUTTON_UNPRESSED,
5472                       GDI_RADIO_NR, radio_button_nr,
5473                       GDI_CHECKED, checked,
5474                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5475                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5476                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5477                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5478                       GDI_EVENT_MASK, event_mask,
5479                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5480                       GDI_CALLBACK_ACTION, HandleControlButtons,
5481                       GDI_END);
5482
5483     if (gi == NULL)
5484       Error(ERR_EXIT, "cannot create gadget");
5485
5486     level_editor_gadget[id] = gi;
5487   }
5488
5489   /* these values are not constant, but can change at runtime */
5490   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5491   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5492   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5493   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5494   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5495   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5496   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5497   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5498   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5499   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5500   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5501   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5502
5503   /* create buttons for scrolling of drawing area and element list */
5504   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5505   {
5506     int id = scrollbutton_info[i].gadget_id;
5507     int graphic = scrollbutton_info[i].graphic;
5508     struct GraphicInfo *gd = &graphic_info[graphic];
5509     Bitmap *gd_bitmap = gd->bitmap;
5510     int gd_x1 = gd->src_x;
5511     int gd_y1 = gd->src_y;
5512     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5513     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5514     int width  = gd->width;
5515     int height = gd->height;
5516     int x = scrollbutton_pos[i].x;
5517     int y = scrollbutton_pos[i].y;
5518     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5519
5520     if (id == GADGET_ID_SCROLL_LIST_UP ||
5521         id == GADGET_ID_SCROLL_LIST_DOWN)
5522     {
5523       x += DX;
5524       y += DY;
5525     }
5526     else
5527     {
5528       x += SX;
5529       y += SY;
5530     }
5531
5532     gi = CreateGadget(GDI_CUSTOM_ID, id,
5533                       GDI_CUSTOM_TYPE_ID, i,
5534                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5535                       GDI_X, x,
5536                       GDI_Y, y,
5537                       GDI_WIDTH, width,
5538                       GDI_HEIGHT, height,
5539                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5540                       GDI_STATE, GD_BUTTON_UNPRESSED,
5541                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5542                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5543                       GDI_EVENT_MASK, event_mask,
5544                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5545                       GDI_CALLBACK_ACTION, HandleControlButtons,
5546                       GDI_END);
5547
5548     if (gi == NULL)
5549       Error(ERR_EXIT, "cannot create gadget");
5550
5551     level_editor_gadget[id] = gi;
5552   }
5553
5554   /* create buttons for element list */
5555   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5556   {
5557     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5558     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5559     struct GraphicInfo *gd = &graphic_info[graphic];
5560     Bitmap *gd_bitmap = gd->bitmap;
5561     Bitmap *deco_bitmap;
5562     int deco_x, deco_y, deco_xpos, deco_ypos;
5563     int gd_x1 = gd->src_x;
5564     int gd_y1 = gd->src_y;
5565     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5566     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5567     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5568     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5569     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5570     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5571     int element = editor_elements[i];
5572     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5573                      MINI_TILESIZE);
5574     unsigned int event_mask = GD_EVENT_RELEASED;
5575
5576     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5577     deco_xpos = (gd->width  - tile_size) / 2;
5578     deco_ypos = (gd->height - tile_size) / 2;
5579
5580     gi = CreateGadget(GDI_CUSTOM_ID, id,
5581                       GDI_CUSTOM_TYPE_ID, i,
5582                       GDI_INFO_TEXT, getElementInfoText(element),
5583                       GDI_X, x,
5584                       GDI_Y, y,
5585                       GDI_WIDTH, gd->width,
5586                       GDI_HEIGHT, gd->height,
5587                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5588                       GDI_STATE, GD_BUTTON_UNPRESSED,
5589                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5590                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5591                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5592                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5593                       GDI_DECORATION_SIZE, tile_size, tile_size,
5594                       GDI_DECORATION_SHIFTING, 1, 1,
5595                       GDI_EVENT_MASK, event_mask,
5596                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5597                       GDI_CALLBACK_ACTION, HandleControlButtons,
5598                       GDI_END);
5599
5600     if (gi == NULL)
5601       Error(ERR_EXIT, "cannot create gadget");
5602
5603     level_editor_gadget[id] = gi;
5604   }
5605 }
5606
5607 static void CreateCounterButtons()
5608 {
5609   int max_infotext_len = getMaxInfoTextLength();
5610   int i;
5611
5612   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5613   {
5614     int j;
5615     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5616     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5617
5618     /* determine horizontal position to the right of specified gadget */
5619     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5620       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5621            ED_GADGET_TEXT_DISTANCE);
5622
5623     /* determine horizontal offset for leading text */
5624     if (counterbutton_info[i].text_left != NULL)
5625       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5626
5627     for (j = 0; j < 2; j++)
5628     {
5629       struct GadgetInfo *gi;
5630       int id = (j == 0 ?
5631                 counterbutton_info[i].gadget_id_down :
5632                 counterbutton_info[i].gadget_id_up);
5633       int graphic;
5634       struct GraphicInfo *gd;
5635       int gd_x1, gd_x2, gd_y1, gd_y2;
5636       unsigned int event_mask;
5637       char infotext[max_infotext_len + 1];
5638
5639       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5640
5641       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5642       {
5643         graphic = (j == 0 ?
5644                    IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5645                    IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5646
5647         event_mask |= GD_EVENT_RELEASED;
5648
5649         if (j == 0)
5650         {
5651           x = DX + editor.button.prev_level.x;
5652           y = DY + editor.button.prev_level.y;
5653         }
5654         else
5655         {
5656           x = DX + editor.button.next_level.x;
5657           y = DY + editor.button.next_level.y;
5658         }
5659       }
5660       else
5661       {
5662         graphic = (j == 0 ?
5663                    IMG_EDITOR_COUNTER_DOWN :
5664                    IMG_EDITOR_COUNTER_UP);
5665       }
5666
5667       gd = &graphic_info[graphic];
5668
5669       gd_x1 = gd->src_x;
5670       gd_y1 = gd->src_y;
5671       gd_x2 = gd->src_x + gd->pressed_xoffset;
5672       gd_y2 = gd->src_y + gd->pressed_yoffset;
5673
5674       sprintf(infotext, "%s counter value by 1, 5 or 10",
5675               (j == 0 ? "decrease" : "increase"));
5676
5677       gi = CreateGadget(GDI_CUSTOM_ID, id,
5678                         GDI_CUSTOM_TYPE_ID, i,
5679                         GDI_INFO_TEXT, infotext,
5680                         GDI_X, x,
5681                         GDI_Y, y,
5682                         GDI_WIDTH, gd->width,
5683                         GDI_HEIGHT, gd->height,
5684                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5685                         GDI_STATE, GD_BUTTON_UNPRESSED,
5686                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5687                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5688                         GDI_EVENT_MASK, event_mask,
5689                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5690                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5691                         GDI_END);
5692
5693       if (gi == NULL)
5694         Error(ERR_EXIT, "cannot create gadget");
5695
5696       level_editor_gadget[id] = gi;
5697       right_gadget_border[id] =
5698         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5699
5700       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
5701
5702       if (j == 0)
5703       {
5704         int font_type = FONT_INPUT_1;
5705         int font_type_active = FONT_INPUT_1_ACTIVE;
5706
5707         id = counterbutton_info[i].gadget_id_text;
5708
5709         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5710
5711         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5712         {
5713           graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5714
5715           font_type = FONT_LEVEL_NUMBER;
5716           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5717
5718           x = DX + editor.input.level_number.x;
5719           y = DY + editor.input.level_number.y;
5720         }
5721         else
5722         {
5723           graphic = IMG_EDITOR_COUNTER_INPUT;
5724         }
5725
5726         gd = &graphic_info[graphic];
5727
5728         gd_x1 = gd->src_x;
5729         gd_y1 = gd->src_y;
5730         gd_x2 = gd->src_x + gd->active_xoffset;
5731         gd_y2 = gd->src_y + gd->active_yoffset;
5732
5733         gi = CreateGadget(GDI_CUSTOM_ID, id,
5734                           GDI_CUSTOM_TYPE_ID, i,
5735                           GDI_INFO_TEXT, "enter counter value",
5736                           GDI_X, x,
5737                           GDI_Y, y,
5738                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5739                           GDI_NUMBER_VALUE, 0,
5740                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5741                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5742                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5743                           GDI_TEXT_FONT, font_type,
5744                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5745                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5746                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5747                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5748                           GDI_DESIGN_WIDTH, gd->width,
5749                           GDI_EVENT_MASK, event_mask,
5750                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5751                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5752                           GDI_END);
5753
5754         if (gi == NULL)
5755           Error(ERR_EXIT, "cannot create gadget");
5756
5757         level_editor_gadget[id] = gi;
5758         right_gadget_border[id] =
5759           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5760
5761         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
5762       }
5763     }
5764   }
5765 }
5766
5767 static void CreateDrawingAreas()
5768 {
5769   int i;
5770
5771   /* these values are not constant, but can change at runtime */
5772   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5773   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5774
5775   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5776   {
5777     struct GadgetInfo *gi;
5778     unsigned int event_mask;
5779     int id = drawingarea_info[i].gadget_id;
5780     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5781     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5782     int area_xsize = drawingarea_info[i].area_xsize;
5783     int area_ysize = drawingarea_info[i].area_ysize;
5784     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5785                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
5786
5787     event_mask =
5788       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5789       GD_EVENT_OFF_BORDERS;
5790
5791     /* determine horizontal position to the right of specified gadget */
5792     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5793       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5794            ED_DRAWINGAREA_TEXT_DISTANCE);
5795
5796     /* determine horizontal offset for leading text */
5797     if (drawingarea_info[i].text_left != NULL)
5798       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5799
5800     gi = CreateGadget(GDI_CUSTOM_ID, id,
5801                       GDI_CUSTOM_TYPE_ID, i,
5802                       GDI_X, x,
5803                       GDI_Y, y,
5804                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5805                       GDI_AREA_SIZE, area_xsize, area_ysize,
5806                       GDI_ITEM_SIZE, item_size, item_size,
5807                       GDI_EVENT_MASK, event_mask,
5808                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5809                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5810                       GDI_END);
5811
5812     if (gi == NULL)
5813       Error(ERR_EXIT, "cannot create gadget");
5814
5815     level_editor_gadget[id] = gi;
5816     right_gadget_border[id] =
5817       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5818   }
5819 }
5820
5821 static void CreateTextInputGadgets()
5822 {
5823   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5824   int max_infotext_len = getMaxInfoTextLength();
5825   int i;
5826
5827   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5828   {
5829     int gd_x1 = gd->src_x;
5830     int gd_y1 = gd->src_y;
5831     int gd_x2 = gd->src_x + gd->active_xoffset;
5832     int gd_y2 = gd->src_y + gd->active_yoffset;
5833     struct GadgetInfo *gi;
5834     unsigned int event_mask;
5835     char infotext[MAX_OUTPUT_LINESIZE + 1];
5836     int id = textinput_info[i].gadget_id;
5837     int x, y;
5838
5839     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5840     {
5841       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5842       int border_size = gd->border_size;
5843       int font_nr = FONT_INPUT_1;
5844       int font_height = getFontHeight(font_nr);
5845       int xoffset = element_border + TILEX + element_border + 3 * border_size;
5846       int yoffset = element_border + (TILEY - font_height) / 2;
5847
5848       x = (editor.settings.element_name.x != -1 ?
5849            editor.settings.element_name.x :
5850            editor.settings.element_graphic.x + xoffset) - border_size;
5851       y = (editor.settings.element_name.y != -1 ?
5852            editor.settings.element_name.y :
5853            editor.settings.element_graphic.y + yoffset) - border_size;
5854     }
5855     else
5856     {
5857       x = ED_SETTINGS_X(textinput_info[i].x);
5858       y = ED_SETTINGS_Y(textinput_info[i].y);
5859     }
5860
5861     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5862
5863     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5864     infotext[max_infotext_len] = '\0';
5865
5866     gi = CreateGadget(GDI_CUSTOM_ID, id,
5867                       GDI_CUSTOM_TYPE_ID, i,
5868                       GDI_INFO_TEXT, infotext,
5869                       GDI_X, SX + x,
5870                       GDI_Y, SY + y,
5871                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5872                       GDI_TEXT_VALUE, textinput_info[i].value,
5873                       GDI_TEXT_SIZE, textinput_info[i].size,
5874                       GDI_TEXT_FONT, FONT_INPUT_1,
5875                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5876                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5877                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5878                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5879                       GDI_DESIGN_WIDTH, gd->width,
5880                       GDI_EVENT_MASK, event_mask,
5881                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5882                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5883                       GDI_END);
5884
5885     if (gi == NULL)
5886       Error(ERR_EXIT, "cannot create gadget");
5887
5888     level_editor_gadget[id] = gi;
5889   }
5890 }
5891
5892 static void CreateTextAreaGadgets()
5893 {
5894   int max_infotext_len = getMaxInfoTextLength();
5895   int i;
5896
5897   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5898   {
5899     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5900     int gd_x1 = gd->src_x;
5901     int gd_y1 = gd->src_y;
5902     int gd_x2 = gd->src_x + gd->active_xoffset;
5903     int gd_y2 = gd->src_y + gd->active_yoffset;
5904     struct GadgetInfo *gi;
5905     unsigned int event_mask;
5906     char infotext[MAX_OUTPUT_LINESIZE + 1];
5907     int id = textarea_info[i].gadget_id;
5908     int area_xsize = textarea_info[i].xsize;
5909     int area_ysize = textarea_info[i].ysize;
5910
5911     event_mask = GD_EVENT_TEXT_LEAVING;
5912
5913     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5914     infotext[max_infotext_len] = '\0';
5915
5916     gi = CreateGadget(GDI_CUSTOM_ID, id,
5917                       GDI_CUSTOM_TYPE_ID, i,
5918                       GDI_INFO_TEXT, infotext,
5919                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
5920                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
5921                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5922                       GDI_AREA_SIZE, area_xsize, area_ysize,
5923                       GDI_TEXT_FONT, FONT_INPUT_1,
5924                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5925                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5926                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5927                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5928                       GDI_DESIGN_WIDTH, gd->width,
5929                       GDI_EVENT_MASK, event_mask,
5930                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5931                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5932                       GDI_END);
5933
5934     if (gi == NULL)
5935       Error(ERR_EXIT, "cannot create gadget");
5936
5937     level_editor_gadget[id] = gi;
5938   }
5939 }
5940
5941 static void CreateSelectboxGadgets()
5942 {
5943   int max_infotext_len = getMaxInfoTextLength();
5944   int i, j;
5945
5946   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5947   {
5948     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
5949     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
5950     int gd_x1 = gd->src_x;
5951     int gd_y1 = gd->src_y;
5952     int gd_x2 = gd->src_x + gd->active_xoffset;
5953     int gd_y2 = gd->src_y + gd->active_yoffset;
5954     int selectbox_button_xsize = gd2->width;
5955     struct GadgetInfo *gi;
5956     unsigned int event_mask;
5957     char infotext[MAX_OUTPUT_LINESIZE + 1];
5958     int id = selectbox_info[i].gadget_id;
5959     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
5960     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
5961
5962     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5963     {
5964       /* (we cannot use -1 for uninitialized values if we directly compare
5965          with results from strlen(), because the '<' and '>' operation will
5966          implicitely cast -1 to an unsigned integer value!) */
5967       selectbox_info[i].size = 0;
5968
5969       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5970         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5971           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5972
5973       selectbox_info[i].size++;         /* add one character empty space */
5974     }
5975
5976     event_mask = GD_EVENT_RELEASED |
5977       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5978
5979     /* determine horizontal position to the right of specified gadget */
5980     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5981       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5982            ED_GADGET_TEXT_DISTANCE);
5983
5984     /* determine horizontal offset for leading text */
5985     if (selectbox_info[i].text_left != NULL)
5986       x += getTextWidthForGadget(selectbox_info[i].text_left);
5987
5988     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5989     infotext[max_infotext_len] = '\0';
5990
5991     gi = CreateGadget(GDI_CUSTOM_ID, id,
5992                       GDI_CUSTOM_TYPE_ID, i,
5993                       GDI_INFO_TEXT, infotext,
5994                       GDI_X, x,
5995                       GDI_Y, y,
5996                       GDI_TYPE, GD_TYPE_SELECTBOX,
5997                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
5998                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
5999                       GDI_TEXT_SIZE, selectbox_info[i].size,
6000                       GDI_TEXT_FONT, FONT_INPUT_1,
6001                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6002                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6003                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6004                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6005                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6006                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6007                       GDI_DESIGN_WIDTH, gd->width,
6008                       GDI_EVENT_MASK, event_mask,
6009                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6010                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6011                       GDI_END);
6012
6013     if (gi == NULL)
6014       Error(ERR_EXIT, "cannot create gadget");
6015
6016     level_editor_gadget[id] = gi;
6017     right_gadget_border[id] =
6018       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6019   }
6020 }
6021
6022 static void CreateTextbuttonGadgets()
6023 {
6024   int max_infotext_len = getMaxInfoTextLength();
6025   int i;
6026
6027   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6028   {
6029     int id = textbutton_info[i].gadget_id;
6030     int is_tab_button =
6031       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6032        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6033     int graphic =
6034       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6035     int gadget_distance =
6036       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6037     struct GraphicInfo *gd = &graphic_info[graphic];
6038     int gd_x1 = gd->src_x;
6039     int gd_y1 = gd->src_y;
6040     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6041     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6042     int gd_x1a = gd->src_x + gd->active_xoffset;
6043     int gd_y1a = gd->src_y + gd->active_yoffset;
6044     int border_xsize = gd->border_size + gd->draw_xoffset;
6045     int border_ysize = gd->border_size;
6046     struct GadgetInfo *gi;
6047     unsigned int event_mask;
6048     char infotext[MAX_OUTPUT_LINESIZE + 1];
6049     int x = SX + ED_TAB_SETTINGS_X(textbutton_info[i].x);
6050     int y = SY + ED_TAB_SETTINGS_Y(textbutton_info[i].y);
6051
6052     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6053       textbutton_info[i].size = strlen(textbutton_info[i].text);
6054
6055     event_mask = GD_EVENT_RELEASED;
6056
6057     sprintf(infotext, "%s", textbutton_info[i].infotext);
6058     infotext[max_infotext_len] = '\0';
6059
6060     /* determine horizontal position to the right of specified gadget */
6061     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6062     {
6063       int gadget_id_align = textbutton_info[i].gadget_id_align;
6064
6065       x = right_gadget_border[gadget_id_align] + gadget_distance;
6066
6067       if (textbutton_info[i].y == -1)
6068         y = level_editor_gadget[gadget_id_align]->y;
6069     }
6070
6071     /* determine horizontal offset for leading text */
6072     if (textbutton_info[i].text_left != NULL)
6073       x += getTextWidthForGadget(textbutton_info[i].text_left);
6074
6075     gi = CreateGadget(GDI_CUSTOM_ID, id,
6076                       GDI_CUSTOM_TYPE_ID, i,
6077                       GDI_INFO_TEXT, infotext,
6078                       GDI_X, x,
6079                       GDI_Y, y,
6080                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6081                       GDI_TEXT_VALUE, textbutton_info[i].text,
6082                       GDI_TEXT_SIZE, textbutton_info[i].size,
6083                       GDI_TEXT_FONT, FONT_INPUT_2,
6084                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6085                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6086                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6087                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6088                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6089                       GDI_DESIGN_WIDTH, gd->width,
6090                       GDI_DECORATION_SHIFTING, 1, 1,
6091                       GDI_EVENT_MASK, event_mask,
6092                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6093                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6094                       GDI_END);
6095
6096     if (gi == NULL)
6097       Error(ERR_EXIT, "cannot create gadget");
6098
6099     level_editor_gadget[id] = gi;
6100     right_gadget_border[id] =
6101       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6102   }
6103 }
6104
6105 static void CreateGraphicbuttonGadgets()
6106 {
6107   struct GadgetInfo *gi;
6108   unsigned int event_mask;
6109   int i;
6110
6111   /* create buttons for scrolling of drawing area and element list */
6112   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6113   {
6114     int id = graphicbutton_info[i].gadget_id;
6115     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6116     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6117     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6118     int gd_x1 = gd->src_x;
6119     int gd_y1 = gd->src_y;
6120     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6121     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6122
6123     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6124
6125     /* determine horizontal position to the right of specified gadget */
6126     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6127       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6128            ED_GADGET_TEXT_DISTANCE);
6129
6130     /* determine horizontal offset for leading text */
6131     if (graphicbutton_info[i].text_left != NULL)
6132       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6133
6134     gi = CreateGadget(GDI_CUSTOM_ID, id,
6135                       GDI_CUSTOM_TYPE_ID, i,
6136                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6137                       GDI_X, x,
6138                       GDI_Y, y,
6139                       GDI_WIDTH, gd->width,
6140                       GDI_HEIGHT, gd->height,
6141                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6142                       GDI_STATE, GD_BUTTON_UNPRESSED,
6143                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6144                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6145                       GDI_EVENT_MASK, event_mask,
6146                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6147                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6148                       GDI_END);
6149
6150     if (gi == NULL)
6151       Error(ERR_EXIT, "cannot create gadget");
6152
6153     level_editor_gadget[id] = gi;
6154     right_gadget_border[id] =
6155       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6156   }
6157 }
6158
6159 static void CreateScrollbarGadgets()
6160 {
6161   int i;
6162
6163   /* these values are not constant, but can change at runtime */
6164   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6165     SX + ED_SCROLL_HORIZONTAL_XPOS;
6166   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6167     SY + ED_SCROLL_HORIZONTAL_YPOS;
6168   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6169     ED_SCROLL_HORIZONTAL_XSIZE;
6170   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6171     ED_SCROLL_HORIZONTAL_YSIZE;
6172   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6173   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6174   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6175   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6176
6177   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6178     SX + ED_SCROLL_VERTICAL_XPOS;
6179   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6180     SY + ED_SCROLL_VERTICAL_YPOS;
6181   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6182     ED_SCROLL_VERTICAL_XSIZE;
6183   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6184     ED_SCROLL_VERTICAL_YSIZE;
6185   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6186   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6187   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6188   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6189
6190   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6191     DX + ED_SCROLL2_VERTICAL_XPOS;
6192   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6193     DY + ED_SCROLL2_VERTICAL_YPOS;
6194   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6195     ED_SCROLL2_VERTICAL_XSIZE;
6196   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6197     ED_SCROLL2_VERTICAL_YSIZE;
6198   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6199   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6200   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6201   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6202
6203   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6204   {
6205     int id = scrollbar_info[i].gadget_id;
6206     int graphic = scrollbar_info[i].graphic;
6207     struct GraphicInfo *gd = &graphic_info[graphic];
6208     int gd_x1 = gd->src_x;
6209     int gd_y1 = gd->src_y;
6210     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6211     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6212     struct GadgetInfo *gi;
6213     int items_max, items_visible, item_position;
6214     unsigned int event_mask;
6215
6216     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6217     {
6218       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6219       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6220       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6221     }
6222     else        /* drawing area scrollbars */
6223     {
6224       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6225       {
6226         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6227         items_visible = ed_fieldx;
6228         item_position = 0;
6229       }
6230       else
6231       {
6232         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6233         items_visible = ed_fieldy;
6234         item_position = 0;
6235       }
6236     }
6237
6238     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6239
6240     gi = CreateGadget(GDI_CUSTOM_ID, id,
6241                       GDI_CUSTOM_TYPE_ID, i,
6242                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6243                       GDI_X, scrollbar_pos[i].x,
6244                       GDI_Y, scrollbar_pos[i].y,
6245                       GDI_WIDTH, scrollbar_pos[i].width,
6246                       GDI_HEIGHT, scrollbar_pos[i].height,
6247                       GDI_TYPE, scrollbar_info[i].type,
6248                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6249                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6250                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6251                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6252                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6253                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6254                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6255                       GDI_STATE, GD_BUTTON_UNPRESSED,
6256                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6257                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6258                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6259                       GDI_EVENT_MASK, event_mask,
6260                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6261                       GDI_CALLBACK_ACTION, HandleControlButtons,
6262                       GDI_END);
6263
6264     if (gi == NULL)
6265       Error(ERR_EXIT, "cannot create gadget");
6266
6267     level_editor_gadget[id] = gi;
6268   }
6269 }
6270
6271 static void CreateCheckbuttonGadgets()
6272 {
6273   struct GadgetInfo *gi;
6274   unsigned int event_mask;
6275   int i;
6276
6277   event_mask = GD_EVENT_PRESSED;
6278
6279   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6280   {
6281     int id = checkbutton_info[i].gadget_id;
6282     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6283                    IMG_EDITOR_CHECKBOX);
6284     struct GraphicInfo *gd = &graphic_info[graphic];
6285     int gd_x1 = gd->src_x;
6286     int gd_y1 = gd->src_y;
6287     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6288     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6289     int gd_x1a = gd->src_x + gd->active_xoffset;
6290     int gd_y1a = gd->src_y + gd->active_yoffset;
6291     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6292     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6293     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6294     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6295
6296     /* determine horizontal position to the right of specified gadget */
6297     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6298       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6299            ED_GADGET_TEXT_DISTANCE);
6300
6301     /* determine horizontal offset for leading text */
6302     if (checkbutton_info[i].text_left != NULL)
6303       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6304
6305     gi = CreateGadget(GDI_CUSTOM_ID, id,
6306                       GDI_CUSTOM_TYPE_ID, i,
6307                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6308                       GDI_X, x,
6309                       GDI_Y, y,
6310                       GDI_WIDTH, gd->width,
6311                       GDI_HEIGHT, gd->height,
6312                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6313                       GDI_CHECKED, *checkbutton_info[i].value,
6314                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6315                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6316                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6317                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6318                       GDI_EVENT_MASK, event_mask,
6319                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6320                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6321                       GDI_END);
6322
6323     if (gi == NULL)
6324       Error(ERR_EXIT, "cannot create gadget");
6325
6326     level_editor_gadget[id] = gi;
6327     right_gadget_border[id] =
6328       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6329   }
6330 }
6331
6332 static void CreateRadiobuttonGadgets()
6333 {
6334   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6335   int gd_x1 = gd->src_x;
6336   int gd_y1 = gd->src_y;
6337   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6338   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6339   int gd_x1a = gd->src_x + gd->active_xoffset;
6340   int gd_y1a = gd->src_y + gd->active_yoffset;
6341   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6342   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6343   struct GadgetInfo *gi;
6344   unsigned int event_mask;
6345   int i;
6346
6347   event_mask = GD_EVENT_PRESSED;
6348
6349   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6350   {
6351     int id = radiobutton_info[i].gadget_id;
6352     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6353     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6354
6355     int checked =
6356       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6357
6358     /* determine horizontal position to the right of specified gadget */
6359     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6360       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6361            ED_GADGET_TEXT_DISTANCE);
6362
6363     /* determine horizontal offset for leading text */
6364     if (radiobutton_info[i].text_left != NULL)
6365       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6366
6367     gi = CreateGadget(GDI_CUSTOM_ID, id,
6368                       GDI_CUSTOM_TYPE_ID, i,
6369                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6370                       GDI_X, x,
6371                       GDI_Y, y,
6372                       GDI_WIDTH, gd->width,
6373                       GDI_HEIGHT, gd->height,
6374                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6375                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6376                       GDI_CHECKED, checked,
6377                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6378                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6379                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6380                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6381                       GDI_EVENT_MASK, event_mask,
6382                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6383                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6384                       GDI_END);
6385
6386     if (gi == NULL)
6387       Error(ERR_EXIT, "cannot create gadget");
6388
6389     level_editor_gadget[id] = gi;
6390     right_gadget_border[id] =
6391       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6392   }
6393 }
6394
6395 void CreateLevelEditorGadgets()
6396 {
6397   int old_game_status = game_status;
6398
6399   /* setting 'game_status' is needed to get the right fonts for the editor */
6400   game_status = GAME_MODE_EDITOR;
6401
6402   /* these values are not constant, but can change at runtime */
6403   ed_fieldx = MAX_ED_FIELDX - 1;
6404   ed_fieldy = MAX_ED_FIELDY - 1;
6405
6406   num_editor_gadgets = NUM_EDITOR_GADGETS;
6407
6408   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6409
6410   level_editor_gadget =
6411     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6412   right_gadget_border =
6413     checked_calloc(num_editor_gadgets * sizeof(int));
6414
6415   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6416   editor_el_empty_ptr = editor_el_empty;
6417
6418   ReinitializeElementList();
6419
6420   CreateControlButtons();
6421   CreateScrollbarGadgets();
6422
6423   /* order of function calls is important because of cross-references */
6424   CreateCheckbuttonGadgets();
6425   CreateCounterButtons();
6426   CreateRadiobuttonGadgets();
6427   CreateTextInputGadgets();
6428   CreateTextAreaGadgets();
6429   CreateSelectboxGadgets();
6430   CreateGraphicbuttonGadgets();
6431   CreateTextbuttonGadgets();
6432   CreateDrawingAreas();
6433
6434   game_status = old_game_status;
6435 }
6436
6437 void FreeLevelEditorGadgets()
6438 {
6439   int i;
6440
6441   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6442
6443   for (i = 0; i < num_editor_gadgets; i++)
6444   {
6445     FreeGadget(level_editor_gadget[i]);
6446
6447     level_editor_gadget[i] = NULL;
6448   }
6449
6450   checked_free(level_editor_gadget);
6451   checked_free(right_gadget_border);
6452
6453   checked_free(editor_el_empty);
6454 }
6455
6456 static void MapCounterButtons(int id)
6457 {
6458   int font_nr = FONT_TEXT_1;
6459   int font_height = getFontHeight(font_nr);
6460   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6461   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6462   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6463   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6464   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6465   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6466   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6467   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6468   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6469   int yoffset = (gi_down->height - font_height) / 2;
6470   int x_left = gi_down->x - xoffset_left;
6471   int x_right;  /* set after gadget position was modified */
6472   int y_above = gi_down->y - yoffset_above;
6473   int x = gi_down->x;
6474   int y;        /* set after gadget position was modified */
6475
6476   /* counter limits must be changed first to prevent value truncation */
6477   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6478                             counterbutton_info[id].max_value);
6479
6480   /* right text position might have changed after setting position above */
6481   x_right = gi_up->x + gi_up->width + xoffset_right;
6482
6483   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6484
6485   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6486   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6487       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6488   {
6489     ModifyGadget(gi_down, GDI_Y,
6490                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6491     ModifyGadget(gi_text, GDI_Y,
6492                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6493     ModifyGadget(gi_up,   GDI_Y,
6494                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6495   }
6496
6497   /* vertical position might have changed after setting position above */
6498   y = gi_up->y + yoffset;
6499
6500   if (counterbutton_info[id].text_above)
6501     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6502
6503   if (counterbutton_info[id].text_left)
6504     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6505
6506   if (counterbutton_info[id].text_right)
6507     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6508
6509   MapGadget(gi_down);
6510   MapGadget(gi_text);
6511   MapGadget(gi_up);
6512 }
6513
6514 static void MapControlButtons()
6515 {
6516   int counter_id;
6517   int i;
6518
6519   /* map toolbox buttons (excluding special CE toolbox buttons) */
6520   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6521     MapGadget(level_editor_gadget[i]);
6522
6523   /* map toolbox buttons (element properties button) */
6524   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6525
6526   /* map buttons to select elements */
6527   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6528     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6529   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6530   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6531   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6532
6533   /* map buttons to select level */
6534   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6535   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6536   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6537   MapCounterButtons(counter_id);
6538 }
6539
6540 static void MapDrawingArea(int id)
6541 {
6542   int font_nr = FONT_TEXT_1;
6543   int font_height = getFontHeight(font_nr);
6544   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6545   int area_xsize = gi->drawing.area_xsize;
6546   int area_ysize = gi->drawing.area_ysize;
6547   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6548   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6549   int x_left  = gi->x - xoffset_left;
6550   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6551   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6552   int y_side  = gi->y + (gi->height - font_height) / 2;
6553   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6554
6555   if (drawingarea_info[id].text_left)
6556     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6557
6558   if (drawingarea_info[id].text_right)
6559     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6560
6561   if (drawingarea_info[id].text_below)
6562     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6563
6564   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6565   {
6566     DrawElementBorder(gi->x, gi->y,
6567                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
6568                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
6569
6570     DrawDrawingArea(id);
6571   }
6572
6573   MapGadget(gi);
6574 }
6575
6576 static void MapTextInputGadget(int id)
6577 {
6578   int font_nr = FONT_TEXT_1;
6579   int font_height = getFontHeight(font_nr);
6580   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6581   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6582   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6583   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6584
6585   if (textinput_info[id].text_above)
6586     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6587
6588   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6589
6590   MapGadget(gi);
6591 }
6592
6593 static void MapTextAreaGadget(int id)
6594 {
6595   int font_nr = FONT_TEXT_1;
6596   int font_height = getFontHeight(font_nr);
6597   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6598   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6599   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6600   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6601
6602   if (textarea_info[id].text_above)
6603     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6604
6605   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6606
6607   MapGadget(gi);
6608 }
6609
6610 static void MapSelectboxGadget(int id)
6611 {
6612   int font_nr = FONT_TEXT_1;
6613   int font_height = getFontHeight(font_nr);
6614   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6615   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6616   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6617   int yoffset = (gi->height - font_height) / 2;
6618   int x_left = gi->x - xoffset_left;
6619   int x_right = gi->x + gi->width + xoffset_right;
6620   int y = gi->y + yoffset;
6621
6622   if (selectbox_info[id].text_left)
6623     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6624
6625   if (selectbox_info[id].text_right)
6626     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6627
6628   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6629
6630   MapGadget(gi);
6631 }
6632
6633 static void MapTextbuttonGadget(int id)
6634 {
6635   int font_nr = FONT_TEXT_1;
6636   int font_height = getFontHeight(font_nr);
6637   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6638   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6639   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6640   int yoffset = (gi->height - font_height) / 2;
6641   int x_left = gi->x - xoffset_left;
6642   int x_right = gi->x + gi->width + xoffset_right;
6643   int y = gi->y + yoffset;
6644
6645   /* only show button to delete change pages when more than minimum pages */
6646   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6647       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6648     return;
6649
6650   if (textbutton_info[id].text_left)
6651     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6652
6653   if (textbutton_info[id].text_right)
6654     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6655
6656   MapGadget(gi);
6657 }
6658
6659 static void MapGraphicbuttonGadget(int id)
6660 {
6661   int font_nr = FONT_TEXT_1;
6662   int font_height = getFontHeight(font_nr);
6663   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6664   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6665   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6666   int yoffset = (gi->height - font_height) / 2;
6667   int x_left = gi->x - xoffset_left;
6668   int x_right = gi->x + gi->width + xoffset_right;
6669   int y = gi->y + yoffset;
6670
6671   if (graphicbutton_info[id].text_left)
6672     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6673
6674   if (graphicbutton_info[id].text_right)
6675     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6676
6677   MapGadget(gi);
6678 }
6679
6680 static void MapRadiobuttonGadget(int id)
6681 {
6682   int font_nr = FONT_TEXT_1;
6683   int font_height = getFontHeight(font_nr);
6684   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6685   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6686   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6687   int yoffset = (gi->height - font_height) / 2;
6688   int x_left = gi->x - xoffset_left;
6689   int x_right = gi->x + gi->width + xoffset_right;
6690   int y = gi->y + yoffset;
6691   boolean checked =
6692     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6693
6694   if (radiobutton_info[id].text_left)
6695     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6696
6697   if (radiobutton_info[id].text_right)
6698     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6699
6700   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6701
6702   MapGadget(gi);
6703 }
6704
6705 static void MapCheckbuttonGadget(int id)
6706 {
6707   int font_nr = FONT_TEXT_1;
6708   int font_height = getFontHeight(font_nr);
6709   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6710   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6711   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6712   int yoffset = (gi->height - font_height) / 2;
6713   int x_left, x_right, y;       /* set after gadget position was modified */
6714
6715   /* set position for gadgets with dynamically determined position */
6716   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6717     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6718   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6719
6720   x_left = gi->x - xoffset_left;
6721   x_right = gi->x + gi->width + xoffset_right;
6722   y = gi->y + yoffset;
6723
6724   if (checkbutton_info[id].text_left)
6725     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6726
6727   if (checkbutton_info[id].text_right)
6728     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6729
6730   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6731
6732   MapGadget(gi);
6733 }
6734
6735 static void MapMainDrawingArea()
6736 {
6737   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6738   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6739   int i;
6740
6741   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6742   {
6743     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6744           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6745          no_horizontal_scrollbar) ||
6746         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6747           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6748          no_vertical_scrollbar))
6749       continue;
6750
6751     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6752   }
6753
6754   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6755   {
6756     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6757         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6758       continue;
6759
6760     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6761   }
6762
6763   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6764 }
6765
6766 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6767 {
6768   int i;
6769
6770   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6771   {
6772     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6773         i == GADGET_ID_CUSTOM_COPY_TO ||
6774         i == GADGET_ID_CUSTOM_EXCHANGE ||
6775         i == GADGET_ID_CUSTOM_COPY ||
6776         i == GADGET_ID_CUSTOM_PASTE)
6777     {
6778       if (map)
6779         MapGadget(level_editor_gadget[i]);
6780       else
6781         UnmapGadget(level_editor_gadget[i]);
6782     }
6783   }
6784 }
6785
6786 static void MapLevelEditorToolboxCustomGadgets()
6787 {
6788   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6789 }
6790
6791 static void UnmapLevelEditorToolboxCustomGadgets()
6792 {
6793   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6794 }
6795
6796 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6797 {
6798   int i;
6799
6800   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6801   {
6802     if (i != GADGET_ID_SINGLE_ITEMS &&
6803         i != GADGET_ID_PICK_ELEMENT)
6804     {
6805       struct GadgetInfo *gi = level_editor_gadget[i];
6806
6807       if (map)
6808       {
6809         MapGadget(gi);
6810       }
6811       else
6812       {
6813         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6814         struct GraphicInfo *gd = &graphic_info[graphic];
6815
6816         UnmapGadget(gi);
6817
6818         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6819                    gi->width, gi->height, gi->x, gi->y);
6820
6821         redraw_mask |= REDRAW_DOOR_3;
6822       }
6823     }
6824   }
6825 }
6826
6827 static void MapLevelEditorToolboxDrawingGadgets()
6828 {
6829   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6830 }
6831
6832 static void UnmapLevelEditorToolboxDrawingGadgets()
6833 {
6834   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6835 }
6836
6837 static void UnmapDrawingArea(int id)
6838 {
6839   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6840 }
6841
6842 static void UnmapLevelEditorFieldGadgets()
6843 {
6844   int i;
6845
6846   for (i = 0; i < num_editor_gadgets; i++)
6847     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6848                           level_editor_gadget[i]->y))
6849       UnmapGadget(level_editor_gadget[i]);
6850 }
6851
6852 void UnmapLevelEditorGadgets()
6853 {
6854   int i;
6855
6856   for (i = 0; i < num_editor_gadgets; i++)
6857     UnmapGadget(level_editor_gadget[i]);
6858 }
6859
6860 static void ResetUndoBuffer()
6861 {
6862   undo_buffer_position = -1;
6863   undo_buffer_steps = -1;
6864   redo_buffer_steps = 0;
6865
6866   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6867
6868   level.changed = FALSE;
6869 }
6870
6871 static void DrawEditModeWindow()
6872 {
6873   ModifyEditorElementList();
6874   RedrawDrawingElements();
6875
6876   if (edit_mode == ED_MODE_INFO)
6877     DrawLevelInfoWindow();
6878   else if (edit_mode == ED_MODE_PROPERTIES)
6879     DrawPropertiesWindow();
6880   else  /* edit_mode == ED_MODE_DRAWING */
6881     DrawDrawingWindow();
6882 }
6883
6884 static boolean LevelChanged()
6885 {
6886   boolean field_changed = FALSE;
6887   int x, y;
6888
6889   for (y = 0; y < lev_fieldy; y++)
6890     for (x = 0; x < lev_fieldx; x++)
6891       if (Feld[x][y] != level.field[x][y])
6892         field_changed = TRUE;
6893
6894   return (level.changed || field_changed);
6895 }
6896
6897 static boolean PrepareSavingIntoPersonalLevelSet()
6898 {
6899   static LevelDirTree *last_copied_leveldir = NULL;
6900   static LevelDirTree *last_written_leveldir = NULL;
6901   static int last_copied_level_nr = -1;
6902   static int last_written_level_nr = -1;
6903   LevelDirTree *leveldir_former = leveldir_current;
6904   int level_nr_former = level_nr;
6905   int new_level_nr;
6906
6907   // remember last mod/save so that for current session, we write
6908   // back to the same personal copy, asking only about overwrite.
6909   if (leveldir_current == last_copied_leveldir &&
6910       level_nr == last_copied_level_nr)
6911   {
6912     // "cd" to personal level set dir (as used when writing last copy)
6913     leveldir_current = last_written_leveldir;
6914     level_nr = last_written_level_nr;
6915
6916     return TRUE;
6917   }
6918
6919   if (!Request("This level is read only! "
6920                "Save into personal level set?", REQ_ASK))
6921     return FALSE;
6922
6923   // "cd" to personal level set dir (for writing copy the first time)
6924   leveldir_current =
6925     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6926
6927   // find unused level number
6928   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6929   {
6930     static char *level_filename = NULL;
6931
6932     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6933
6934     if (!fileExists(level_filename))
6935       break;
6936   }
6937
6938   last_copied_leveldir = leveldir_former;
6939   last_copied_level_nr = level_nr_former;
6940
6941   last_written_leveldir = leveldir_current;
6942   last_written_level_nr = level_nr = new_level_nr;
6943
6944   return TRUE;
6945 }
6946
6947 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6948 {
6949   static char *filename_levelinfo = NULL, *mod_name = NULL;
6950   FILE *file;
6951
6952   // annotate this copy-and-mod in personal levelinfo.conf
6953   setString(&filename_levelinfo,
6954             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6955
6956   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6957   {
6958     fprintf(file, "\n");
6959     fprintf(file, "# level %d was modified from:\n", level_nr);
6960     fprintf(file, "# - previous level set name:    %s\n",
6961             former_name);
6962     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6963             level.file_info.nr, level.name);
6964     fprintf(file, "# - previous author:            %s\n",
6965             level.author);
6966     fprintf(file, "# - previous save date:         ");
6967
6968     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6969     {
6970       fprintf(file, "%04d-%02d-%02d\n",
6971               level.creation_date.year,
6972               level.creation_date.month,
6973               level.creation_date.day);
6974     }
6975     else
6976     {
6977       fprintf(file, "not recorded\n");
6978     }
6979
6980     fclose(file);
6981   }
6982
6983   if (level_nr > leveldir_current->last_level)
6984   {
6985     static char *temp_levelinfo = NULL;
6986     FILE *temp_file = NULL;
6987     char line[MAX_LINE_LEN];
6988
6989     setString(&temp_levelinfo,
6990               getPath2(getCurrentLevelDir(),
6991                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6992
6993     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6994         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6995     {
6996       while (fgets(line, MAX_LINE_LEN, file))
6997       {
6998         if (!strPrefix(line, "levels:"))
6999           fputs(line, temp_file);
7000         else
7001           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7002       }
7003     }
7004
7005     if (temp_file)
7006       fclose(temp_file);
7007
7008     if (file)
7009       fclose(file);
7010
7011     // needs error handling; also, ok on dos/win?
7012     unlink(filename_levelinfo);
7013     rename(temp_levelinfo, filename_levelinfo);
7014   }
7015
7016   // else: allow the save even if annotation failed
7017
7018   // now... spray graffiti on the old level vital statistics
7019   // user can change these; just trying to set a good baseline
7020
7021   // don't truncate names for fear of making offensive or silly:
7022   // long-named original author only recorded in levelinfo.conf.
7023   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7024   if (!strEqual(level.author, leveldir_current->author))
7025   {
7026     setString(&mod_name, getStringCat3(leveldir_current->author,
7027                                        " after ", level.author));
7028
7029     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7030       setString(&mod_name,
7031                 getStringCat2(leveldir_current->author, " (ed.)"));
7032
7033     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7034       setString(&mod_name, leveldir_current->author);
7035
7036     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7037
7038     // less worried about truncation here
7039     setString(&mod_name, getStringCat2("Mod: ", level.name));
7040     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7041   }
7042 }
7043
7044 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7045                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7046 {
7047   int x, y;
7048
7049   for (x = 0; x < lev_fieldx; x++)
7050     for (y = 0; y < lev_fieldy; y++)
7051       dst[x][y] = src[x][y];
7052 }
7053
7054 static int setSelectboxValue(int selectbox_id, int new_value)
7055 {
7056   int new_index_value = 0;
7057   int i;
7058
7059   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7060     if (selectbox_info[selectbox_id].options[i].value == new_value)
7061       new_index_value = i;
7062
7063   *selectbox_info[selectbox_id].value =
7064     selectbox_info[selectbox_id].options[new_index_value].value;
7065
7066   return new_index_value;
7067 }
7068
7069 static void setSelectboxSpecialActionVariablesIfNeeded()
7070 {
7071   int i;
7072
7073   /* change action mode and arg variables according to action type variable */
7074   for (i = 0; action_arg_options[i].value != -1; i++)
7075   {
7076     if (action_arg_options[i].value == custom_element_change.action_type)
7077     {
7078       int mode = action_arg_options[i].mode;
7079
7080       /* only change if corresponding selectbox has changed */
7081       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7082           action_arg_modes[mode])
7083         custom_element_change.action_mode = -1;
7084
7085       /* only change if corresponding selectbox has changed */
7086       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7087           action_arg_options[i].options)
7088         custom_element_change.action_arg = -1;
7089
7090       break;
7091     }
7092   }
7093 }
7094
7095 static void setSelectboxSpecialActionOptions()
7096 {
7097   int i;
7098
7099   /* change action mode and arg selectbox according to action type selectbox */
7100   for (i = 0; action_arg_options[i].value != -1; i++)
7101   {
7102     if (action_arg_options[i].value == custom_element_change.action_type)
7103     {
7104       int mode = action_arg_options[i].mode;
7105
7106       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7107                                    action_arg_modes[mode]);
7108       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7109                                  custom_element_change.action_mode);
7110
7111       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7112                                    action_arg_options[i].options);
7113       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7114                                  custom_element_change.action_arg);
7115       break;
7116     }
7117   }
7118 }
7119
7120 static void copy_custom_element_settings(int element_from, int element_to)
7121 {
7122   struct ElementInfo *ei_from = &element_info[element_from];
7123   struct ElementInfo *ei_to = &element_info[element_to];
7124
7125   copyElementInfo(ei_from, ei_to);
7126 }
7127
7128 static void replace_custom_element_in_settings(int element_from,
7129                                                int element_to)
7130 {
7131   int i, j, x, y;
7132
7133   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7134   {
7135     struct ElementInfo *ei = &element_info[i];
7136
7137     for (y = 0; y < 3; y++)
7138       for (x = 0; x < 3; x++)
7139         if (ei->content.e[x][y] == element_from)
7140           ei->content.e[x][y] = element_to;
7141
7142     for (j = 0; j < ei->num_change_pages; j++)
7143     {
7144       struct ElementChangeInfo *change = &ei->change_page[j];
7145
7146       if (change->target_element == element_from)
7147         change->target_element = element_to;
7148
7149       if (change->initial_trigger_element == element_from)
7150         change->initial_trigger_element = element_to;
7151
7152       if (change->action_element == element_from)
7153         change->action_element = element_to;
7154
7155       for (y = 0; y < 3; y++)
7156         for (x = 0; x < 3; x++)
7157           if (change->target_content.e[x][y] == element_from)
7158             change->target_content.e[x][y] = element_to;
7159     }
7160
7161     if (ei->group != NULL)                              /* group or internal */
7162       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7163         if (ei->group->element[j] == element_from)
7164           ei->group->element[j] = element_to;
7165   }
7166 }
7167
7168 static void replace_custom_element_in_playfield(int element_from,
7169                                                 int element_to)
7170 {
7171   int x, y;
7172
7173   for (x = 0; x < lev_fieldx; x++)
7174     for (y = 0; y < lev_fieldy; y++)
7175       if (Feld[x][y] == element_from)
7176         Feld[x][y] = element_to;
7177 }
7178
7179 static boolean CopyCustomElement(int element_old, int element_new,
7180                                  int copy_mode)
7181 {
7182   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7183   {
7184     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7185                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7186     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7187   }
7188   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7189   {
7190     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7191                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7192     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7193
7194     level.changed = TRUE;
7195   }
7196   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7197   {
7198     Request("Please choose custom element!", REQ_CONFIRM);
7199
7200     return FALSE;
7201   }
7202   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7203   {
7204     Request("Please choose group element!", REQ_CONFIRM);
7205
7206     return FALSE;
7207   }
7208   else
7209   {
7210     level.changed = TRUE;
7211   }
7212
7213   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7214   {
7215     copy_custom_element_settings(element_new, element_old);
7216   }
7217   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7218   {
7219     copy_custom_element_settings(element_old, element_new);
7220   }
7221   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7222   {
7223     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7224     copy_custom_element_settings(element_new, element_old);
7225     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7226
7227     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7228     replace_custom_element_in_settings(element_new, element_old);
7229     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7230
7231     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7232     replace_custom_element_in_playfield(element_new, element_old);
7233     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7234   }
7235
7236   UpdateCustomElementGraphicGadgets();
7237   DrawPropertiesWindow();
7238
7239   return TRUE;
7240 }
7241
7242 static void CopyCustomElementPropertiesToEditor(int element)
7243 {
7244   int i;
7245   int current_change_page = element_info[element].current_change_page;
7246
7247   /* dynamically (re)build selectbox for selecting change page */
7248   for (i = 0; i < element_info[element].num_change_pages; i++)
7249   {
7250     sprintf(options_change_page_strings[i], "%d", i + 1);
7251
7252     options_change_page[i].value = i;
7253     options_change_page[i].text = options_change_page_strings[i];
7254   }
7255
7256   options_change_page[i].value = -1;
7257   options_change_page[i].text = NULL;
7258
7259   /* needed here to initialize combined element properties */
7260   InitElementPropertiesEngine(level.game_version);
7261
7262   element_info[element].change =
7263     &element_info[element].change_page[current_change_page];
7264
7265   custom_element = element_info[element];
7266   custom_element_change = *element_info[element].change;
7267
7268   /* needed to initially set selectbox options for special action options */
7269   setSelectboxSpecialActionOptions();
7270
7271   /* needed to initially set selectbox value variables to reliable defaults */
7272   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7273     setSelectboxValue(i, *selectbox_info[i].value);
7274
7275   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7276     custom_element_properties[i] = HAS_PROPERTY(element, i);
7277
7278   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7279     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7280
7281   /* ---------- element settings: configure (custom elements) ------------- */
7282
7283   /* set accessible layer selectbox help value */
7284   custom_element.access_type =
7285     (IS_WALKABLE(element) ? EP_WALKABLE :
7286      IS_PASSABLE(element) ? EP_PASSABLE :
7287      custom_element.access_type);
7288   custom_element.access_layer =
7289     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7290      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7291      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7292      custom_element.access_layer);
7293   custom_element.access_protected =
7294     (IS_PROTECTED(element) ? 1 : 0);
7295   custom_element_properties[EP_ACCESSIBLE] =
7296     (IS_ACCESSIBLE_OVER(element) ||
7297      IS_ACCESSIBLE_INSIDE(element) ||
7298      IS_ACCESSIBLE_UNDER(element));
7299
7300   /* set walk-to-object action selectbox help value */
7301   custom_element.walk_to_action =
7302     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7303      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7304      IS_DROPPABLE(element) ? EP_DROPPABLE :
7305      IS_THROWABLE(element) ? EP_THROWABLE :
7306      IS_PUSHABLE(element) ? EP_PUSHABLE :
7307      custom_element.walk_to_action);
7308   custom_element_properties[EP_WALK_TO_OBJECT] =
7309     (IS_DIGGABLE(element) ||
7310      IS_COLLECTIBLE_ONLY(element) ||
7311      IS_DROPPABLE(element) ||
7312      IS_THROWABLE(element) ||
7313      IS_PUSHABLE(element));
7314
7315   /* set smash targets selectbox help value */
7316   custom_element.smash_targets =
7317     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7318      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7319      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7320      custom_element.smash_targets);
7321   custom_element_properties[EP_CAN_SMASH] =
7322     (CAN_SMASH_EVERYTHING(element) ||
7323      CAN_SMASH_ENEMIES(element) ||
7324      CAN_SMASH_PLAYER(element));
7325
7326   /* set deadliness selectbox help value */
7327   custom_element.deadliness =
7328     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7329      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7330      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7331      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7332      custom_element.deadliness);
7333   custom_element_properties[EP_DEADLY] =
7334     (DONT_TOUCH(element) ||
7335      DONT_GET_HIT_BY(element) ||
7336      DONT_COLLIDE_WITH(element) ||
7337      DONT_RUN_INTO(element));
7338
7339   /* ---------- element settings: advanced (custom elements) --------------- */
7340
7341   /* set "change by direct action" selectbox help value */
7342   custom_element_change.direct_action =
7343     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7344      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7345      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7346      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7347      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7348      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7349      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7350      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7351      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7352      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7353      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7354      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7355      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7356      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7357      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7358      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7359      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7360      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7361      custom_element_change.direct_action);
7362
7363   /* set "change by other element action" selectbox help value */
7364   custom_element_change.other_action =
7365     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7366      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7367      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7368      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7369      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7370      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7371      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7372      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7373      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7374      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7375      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7376      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7377      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7378      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7379      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7380      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7381      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7382      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7383      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7384      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7385      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7386      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7387      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7388      custom_element_change.other_action);
7389 }
7390
7391 static void CopyGroupElementPropertiesToEditor(int element)
7392 {
7393   group_element_info = *element_info[element].group;
7394   custom_element = element_info[element];       /* needed for description */
7395 }
7396
7397 static void CopyClassicElementPropertiesToEditor(int element)
7398 {
7399   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7400     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7401       getMoveIntoAcidProperty(&level, element);
7402
7403   if (MAYBE_DONT_COLLIDE_WITH(element))
7404     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7405       getDontCollideWithProperty(&level, element);
7406 }
7407
7408 static void CopyElementPropertiesToEditor(int element)
7409 {
7410   if (IS_CUSTOM_ELEMENT(element))
7411     CopyCustomElementPropertiesToEditor(element);
7412   else if (IS_GROUP_ELEMENT(element))
7413     CopyGroupElementPropertiesToEditor(element);
7414   else
7415     CopyClassicElementPropertiesToEditor(element);
7416 }
7417
7418 static void CopyCustomElementPropertiesToGame(int element)
7419 {
7420   int i;
7421   int access_type_and_layer;
7422
7423   /* mark that this custom element has been modified */
7424   custom_element.modified_settings = TRUE;
7425   level.changed = TRUE;
7426
7427   if (level.use_custom_template)
7428   {
7429     if (Request("Copy and modify level template?", REQ_ASK))
7430     {
7431       level.use_custom_template = FALSE;
7432       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7433                    GDI_CHECKED, FALSE, GDI_END);
7434     }
7435     else
7436     {
7437       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7438
7439       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7440     }
7441   }
7442
7443   element_info[element] = custom_element;
7444   *element_info[element].change = custom_element_change;
7445
7446   /* ---------- element settings: configure (custom elements) ------------- */
7447
7448   /* set accessible property from checkbox and selectbox */
7449   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7450   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7451   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7452   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7453   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7454   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7455   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7456                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7457                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7458   custom_element_properties[access_type_and_layer] =
7459     custom_element_properties[EP_ACCESSIBLE];
7460   custom_element_properties[EP_PROTECTED] =
7461     (custom_element.access_protected != 0 &&
7462      custom_element_properties[EP_ACCESSIBLE]);
7463
7464   /* set walk-to-object property from checkbox and selectbox */
7465   custom_element_properties[EP_DIGGABLE] = FALSE;
7466   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7467   custom_element_properties[EP_DROPPABLE] = FALSE;
7468   custom_element_properties[EP_THROWABLE] = FALSE;
7469   custom_element_properties[EP_PUSHABLE] = FALSE;
7470   custom_element_properties[custom_element.walk_to_action] =
7471     custom_element_properties[EP_WALK_TO_OBJECT];
7472
7473   /* set smash property from checkbox and selectbox */
7474   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7475   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7476   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7477   custom_element_properties[custom_element.smash_targets] =
7478     custom_element_properties[EP_CAN_SMASH];
7479
7480   /* set deadliness property from checkbox and selectbox */
7481   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7482   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7483   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7484   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7485   custom_element_properties[custom_element.deadliness] =
7486     custom_element_properties[EP_DEADLY];
7487
7488   /* ---------- element settings: advanced (custom elements) --------------- */
7489
7490   /* set player change event from checkbox and selectbox */
7491   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7492   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7493   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7494   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7495   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7496   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7497   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7498   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7499   custom_element_change_events[CE_SWITCHED] = FALSE;
7500   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7501   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7502   custom_element_change_events[CE_BLOCKED] = FALSE;
7503   custom_element_change_events[CE_IMPACT] = FALSE;
7504   custom_element_change_events[CE_SMASHED] = FALSE;
7505   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7506   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7507   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7508   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7509   custom_element_change_events[custom_element_change.direct_action] =
7510     custom_element_change_events[CE_BY_DIRECT_ACTION];
7511
7512   /* set other element action change event from checkbox and selectbox */
7513   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7514   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7515   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7516   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7517   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7518   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7519   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7520   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7521   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7522   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7523   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7524   custom_element_change_events[CE_HITTING_X] = FALSE;
7525   custom_element_change_events[CE_DIGGING_X] = FALSE;
7526   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7527   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7528   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7529   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7530   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7531   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7532   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7533   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7534   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7535   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7536   custom_element_change_events[custom_element_change.other_action] =
7537     custom_element_change_events[CE_BY_OTHER_ACTION];
7538
7539   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7540     SET_PROPERTY(element, i, custom_element_properties[i]);
7541
7542   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7543     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7544
7545   /* copy change events also to special level editor variable */
7546   custom_element = element_info[element];
7547   custom_element_change = *element_info[element].change;
7548 }
7549
7550 static void CopyGroupElementPropertiesToGame(int element)
7551 {
7552   element_info[element] = custom_element;
7553   *element_info[element].group = group_element_info;
7554
7555   /* mark that this group element has been modified */
7556   element_info[element].modified_settings = TRUE;
7557   level.changed = TRUE;
7558 }
7559
7560 static void CopyClassicElementPropertiesToGame(int element)
7561 {
7562   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7563     setMoveIntoAcidProperty(&level, element,
7564                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7565
7566   if (MAYBE_DONT_COLLIDE_WITH(element))
7567     setDontCollideWithProperty(&level, element,
7568                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7569 }
7570
7571 static void CopyElementPropertiesToGame(int element)
7572 {
7573   if (IS_CUSTOM_ELEMENT(element))
7574     CopyCustomElementPropertiesToGame(element);
7575   else if (IS_GROUP_ELEMENT(element))
7576     CopyGroupElementPropertiesToGame(element);
7577   else
7578     CopyClassicElementPropertiesToGame(element);
7579 }
7580
7581 void CheckElementDescriptions()
7582 {
7583   int i;
7584
7585   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7586     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7587       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7588 }
7589
7590 static int getMaxEdFieldX(boolean has_scrollbar)
7591 {
7592   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7593   int sxsize = SXSIZE - scrollbar_width;
7594   int max_ed_fieldx = sxsize / ed_tilesize;
7595
7596   return max_ed_fieldx;
7597 }
7598
7599 static int getMaxEdFieldY(boolean has_scrollbar)
7600 {
7601   int infotext_height = INFOTEXT_YSIZE_FULL;
7602   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7603   int sysize = SYSIZE - scrollbar_height - infotext_height;
7604   int max_ed_fieldy = sysize / ed_tilesize;
7605
7606   return max_ed_fieldy;
7607 }
7608
7609 void InitZoomLevelSettings()
7610 {
7611   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7612   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7613 }
7614
7615 static boolean playfield_area_changed = FALSE;
7616
7617 void DrawLevelEd()
7618 {
7619   int fade_mask = REDRAW_FIELD;
7620
7621   StopAnimation();
7622
7623   CloseDoor(DOOR_CLOSE_ALL);
7624
7625 #if 1
7626   /* needed if different viewport properties defined for editor */
7627   ChangeViewportPropertiesIfNeeded();
7628 #endif
7629
7630   if (CheckIfRedrawGlobalBorderIsNeeded())
7631     fade_mask = REDRAW_ALL;
7632
7633 #if 0
7634   printf("::: %d\n", (fade_mask == REDRAW_ALL ? 1 : 0));
7635 #endif
7636
7637   FadeOut(fade_mask);
7638
7639 #if 0
7640   /* needed after playing if editor playfield area has different size */
7641   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7642 #endif
7643
7644 #if 0
7645   /* needed if different viewport properties defined for editor */
7646   ChangeViewportPropertiesIfNeeded();
7647 #endif
7648
7649 #if 1
7650   ClearField();
7651 #endif
7652
7653   InitZoomLevelSettings();
7654
7655   playfield_area_changed = DrawingAreaChanged();
7656
7657   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7658
7659 #if DEBUG
7660   CheckElementDescriptions();
7661 #endif
7662
7663   if (level_editor_test_game)
7664   {
7665     CopyPlayfield(level.field, Feld);
7666     CopyPlayfield(FieldBackup, level.field);
7667
7668     level_editor_test_game = FALSE;
7669   }
7670   else
7671   {
7672     edit_mode = ED_MODE_DRAWING;
7673     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7674     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7675
7676     ResetUndoBuffer();
7677
7678     level_xpos = -1;
7679     level_ypos = -1;
7680   }
7681
7682   /* needed for gadgets drawn on background (like palette scrollbar) */
7683   SetDoorBackgroundImage(IMG_UNDEFINED);
7684
7685   /* copy default editor door content to main double buffer */
7686   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7687              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7688              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7689              DXSIZE, DYSIZE, DX, DY);
7690
7691   /* draw bigger door */
7692   DrawSpecialEditorDoor();
7693
7694   /* draw new control window */
7695   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7696              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7697              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7698              EXSIZE, EYSIZE, EX, EY);
7699
7700   // redraw_mask |= REDRAW_ALL;
7701
7702   FreeLevelEditorGadgets();
7703   CreateLevelEditorGadgets();
7704
7705   ReinitializeElementList();            /* update dynamic level element list */
7706   ReinitializeElementListButtons();     /* custom element may look different */
7707
7708   InitElementPropertiesGfxElement();
7709
7710   UnmapAllGadgets();
7711   MapControlButtons();
7712
7713   DrawEditModeWindow();
7714
7715   fade_mask = (playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7716
7717   if (CheckIfRedrawGlobalBorderIsNeeded())
7718     fade_mask = REDRAW_ALL;
7719
7720   FadeIn(fade_mask);
7721
7722   /* copy actual editor door content to door double buffer for OpenDoor() */
7723   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7724 }
7725
7726 static void AdjustDrawingAreaGadgets()
7727 {
7728   int ed_xsize = lev_fieldx + 2;
7729   int ed_ysize = lev_fieldy + 2;
7730   int max_ed_fieldx = MAX_ED_FIELDX;
7731   int max_ed_fieldy = MAX_ED_FIELDY;
7732   boolean horizontal_scrollbar_needed;
7733   boolean vertical_scrollbar_needed;
7734   int x, y, width, height;
7735
7736   /* check if we need any scrollbars */
7737   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7738   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7739
7740   /* check if we have a smaller editor field because of scrollbars */
7741   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7742   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7743
7744   /* check again if we now need more scrollbars because of less space */
7745   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7746   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7747
7748   /* check if editor field gets even smaller after adding new scrollbars */
7749   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7750   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7751
7752   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7753   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7754
7755   x = SX + ed_fieldx * ed_tilesize;
7756   y = SY + ed_fieldy * ed_tilesize;
7757
7758   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7759   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7760
7761   /* adjust drawing area gadget */
7762   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7763                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7764                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7765                GDI_END);
7766
7767   /* adjust horizontal scrollbar gadgets */
7768   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7769                GDI_Y, y,
7770                GDI_END);
7771   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7772                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7773                GDI_Y, y,
7774                GDI_END);
7775   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7776                GDI_Y, y,
7777                GDI_WIDTH, width,
7778                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7779                GDI_END);
7780
7781   /* adjust vertical scrollbar gadgets */
7782   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7783                GDI_X, x,
7784                GDI_END);
7785   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7786                GDI_X, x,
7787                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7788                GDI_END);
7789   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7790                GDI_X, x,
7791                GDI_HEIGHT, height,
7792                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7793                GDI_END);
7794 }
7795
7796 static void AdjustLevelScrollPosition()
7797 {
7798   if (level_xpos < -1)
7799     level_xpos = -1;
7800   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7801     level_xpos = lev_fieldx - ed_fieldx + 1;
7802   if (lev_fieldx < ed_fieldx - 2)
7803     level_xpos = -1;
7804
7805   if (level_ypos < -1)
7806     level_ypos = -1;
7807   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7808     level_ypos = lev_fieldy - ed_fieldy + 1;
7809   if (lev_fieldy < ed_fieldy - 2)
7810     level_ypos = -1;
7811 }
7812
7813 static void AdjustEditorScrollbar(int id)
7814 {
7815   struct GadgetInfo *gi = level_editor_gadget[id];
7816   int items_max, items_visible, item_position;
7817
7818   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7819   {
7820     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7821     items_visible = ed_fieldx;
7822     item_position = level_xpos + 1;
7823   }
7824   else
7825   {
7826     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7827     items_visible = ed_fieldy;
7828     item_position = level_ypos + 1;
7829   }
7830
7831   if (item_position > items_max - items_visible)
7832     item_position = items_max - items_visible;
7833
7834   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7835                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7836 }
7837
7838 static void AdjustElementListScrollbar()
7839 {
7840   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7841   int items_max, items_visible, item_position;
7842
7843   /* correct position of element list scrollbar */
7844   if (element_shift < 0)
7845     element_shift = 0;
7846   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7847     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7848
7849   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7850   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7851   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7852
7853   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7854                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7855                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7856 }
7857
7858 static void ModifyEditorCounterValue(int counter_id, int new_value)
7859 {
7860   int *counter_value = counterbutton_info[counter_id].value;
7861   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7862   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7863
7864   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7865
7866   if (counter_value != NULL)
7867     *counter_value = gi->textinput.number_value;
7868 }
7869
7870 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7871 {
7872   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7873   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7874
7875   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7876
7877   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7878       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7879   {
7880     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7881     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7882
7883     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7884     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
7885                  GDI_END);
7886   }
7887 }
7888
7889 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7890 {
7891   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7892   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7893   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7894
7895   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7896 }
7897
7898 static void ModifyEditorSelectboxOptions(int selectbox_id,
7899                                          struct ValueTextInfo *options)
7900 {
7901   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7902   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7903
7904   selectbox_info[selectbox_id].options = options;
7905
7906   /* set index to zero -- list may be shorter now (correct later, if needed) */
7907   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7908                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7909 }
7910
7911 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7912 {
7913   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7914   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7915
7916   drawingarea_info[drawingarea_id].area_xsize = xsize;
7917   drawingarea_info[drawingarea_id].area_ysize = ysize;
7918
7919   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7920 }
7921
7922 static void ModifyEditorElementList()
7923 {
7924   int i;
7925
7926   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7927   {
7928     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7929     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7930     struct GadgetDesign *gd = &gi->deco.design;
7931     int element = editor_elements[element_shift + i];
7932
7933     UnmapGadget(gi);
7934
7935     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7936
7937     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7938
7939     MapGadget(gi);
7940   }
7941 }
7942
7943 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7944 {
7945   int graphic = el2edimg(element);
7946   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7947
7948   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7949 }
7950
7951 static void PickDrawingElement(int button, int element)
7952 {
7953   struct
7954   {
7955     int *new_element;
7956     struct EditorPaletteElementInfo *e;
7957   } de, drawing_elements[] =
7958   {
7959     { &new_element1,    &editor.palette.element_left    },
7960     { &new_element2,    &editor.palette.element_middle  },
7961     { &new_element3,    &editor.palette.element_right   },
7962   };
7963
7964   if (button < 1 || button > 3)
7965     return;
7966
7967   de = drawing_elements[button - 1];
7968
7969   DrawDrawingElement((*de.new_element = element), de.e);
7970
7971   redraw_mask |= REDRAW_DOOR_1;
7972 }
7973
7974 static void RedrawDrawingElements()
7975 {
7976   PickDrawingElement(1, new_element1);
7977   PickDrawingElement(2, new_element2);
7978   PickDrawingElement(3, new_element3);
7979 }
7980
7981 static void DrawDrawingWindow()
7982 {
7983   stick_element_properties_window = FALSE;
7984
7985   SetMainBackgroundImage(IMG_UNDEFINED);
7986   ClearField();
7987
7988   UnmapLevelEditorFieldGadgets();
7989   UnmapLevelEditorToolboxCustomGadgets();
7990
7991   AdjustDrawingAreaGadgets();
7992   AdjustLevelScrollPosition();
7993   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7994   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7995
7996   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7997
7998   MapMainDrawingArea();
7999   MapLevelEditorToolboxDrawingGadgets();
8000 }
8001
8002 static int getTabulatorBarWidth()
8003 {
8004   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8005   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8006
8007   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8008 }
8009
8010 static int getTabulatorBarHeight()
8011 {
8012   return ED_TAB_BAR_HEIGHT;
8013 }
8014
8015 static void DrawLevelInfoTabulatorGadgets()
8016 {
8017   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8018   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8019   int gd_x = gd->x + gd_gi1->border.width / 2;
8020   int gd_y = gd->y + gd_gi1->height - 1;
8021   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8022   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
8023   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
8024   int i;
8025
8026   for (i = id_first; i <= id_last; i++)
8027   {
8028     int gadget_id = textbutton_info[i].gadget_id;
8029     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8030     boolean active = (i != edit_mode_levelinfo);
8031
8032     /* draw background line below tabulator button */
8033     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8034
8035     /* draw solid line below inactive tabulator buttons */
8036     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8037       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8038                     ED_GADGET_TINY_DISTANCE, tab_color);
8039
8040     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8041     MapTextbuttonGadget(i);
8042   }
8043
8044   /* draw little border line below tabulator buttons */
8045   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8046     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8047                   ED_GADGET_TINY_DISTANCE,
8048                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8049 }
8050
8051 static void DrawPropertiesTabulatorGadgets()
8052 {
8053   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8054   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8055   int gd_x = gd->x + gd_gi1->border.width / 2;
8056   int gd_y = gd->y + gd_gi1->height - 1;
8057   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8058   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8059   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8060   int i;
8061
8062   /* draw two config tabulators for player elements */
8063   if (ELEM_IS_PLAYER(properties_element))
8064     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8065
8066   /* draw two config and one "change" tabulator for custom elements */
8067   if (IS_CUSTOM_ELEMENT(properties_element))
8068     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8069
8070   for (i = id_first; i <= id_last; i++)
8071   {
8072     int gadget_id = textbutton_info[i].gadget_id;
8073     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8074     boolean active = (i != edit_mode_properties);
8075
8076     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8077     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8078         (ELEM_IS_PLAYER(properties_element) ||
8079          IS_CUSTOM_ELEMENT(properties_element)))
8080       continue;
8081
8082     /* draw background line below tabulator button */
8083     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8084
8085     /* draw solid line below inactive tabulator buttons */
8086     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8087       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8088                     ED_GADGET_TINY_DISTANCE, tab_color);
8089
8090     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8091     MapTextbuttonGadget(i);
8092   }
8093
8094   /* draw little border line below tabulator buttons */
8095   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8096     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8097                   ED_GADGET_TINY_DISTANCE,
8098                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8099 }
8100
8101 static void DrawLevelInfoLevel()
8102 {
8103   int i;
8104
8105   /* draw counter gadgets */
8106   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8107     MapCounterButtons(i);
8108
8109   /* draw selectbox gadgets */
8110   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8111     MapSelectboxGadget(i);
8112
8113   /* draw text input gadgets */
8114   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8115     MapTextInputGadget(i);
8116 }
8117
8118 static void DrawLevelInfoEditor()
8119 {
8120   int i;
8121
8122   /* draw counter gadgets */
8123   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8124     MapCounterButtons(i);
8125
8126   /* draw checkbutton gadgets */
8127   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8128     MapCheckbuttonGadget(i);
8129
8130   /* draw radiobutton gadgets */
8131   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8132     MapRadiobuttonGadget(i);
8133
8134   /* draw drawing area */
8135   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8136 }
8137
8138 static void DrawLevelInfoWindow()
8139 {
8140   char *text = "Global Settings";
8141   int font_nr = FONT_TITLE_1;
8142   struct MenuPosInfo *pos = &editor.settings.headline;
8143   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8144   int sy = SY + pos->y;
8145
8146   stick_element_properties_window = FALSE;
8147
8148   UnmapLevelEditorFieldGadgets();
8149
8150   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8151   ClearField();
8152
8153   DrawText(sx, sy, text, font_nr);
8154
8155   DrawLevelInfoTabulatorGadgets();
8156
8157   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8158     DrawLevelInfoLevel();
8159   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8160     DrawLevelInfoEditor();
8161 }
8162
8163 static void DrawCustomContentArea()
8164 {
8165   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8166   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8167   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8168   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8169   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8170   int xoffset = ED_GADGET_SPACE_DISTANCE;
8171
8172   /* add distance for potential left text (without drawing area border) */
8173   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8174
8175   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8176
8177   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8178 }
8179
8180 static void DrawCustomChangeContentArea()
8181 {
8182   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8183   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8184   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8185   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8186   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8187   int xoffset = ED_GADGET_SPACE_DISTANCE;
8188
8189   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8190
8191   MapDrawingArea(id);
8192 }
8193
8194 static void RemoveElementContentArea(int id, int font_height)
8195 {
8196   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8197
8198   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8199                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8200                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8201                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8202                  ED_GADGET_TEXT_DISTANCE + font_height);
8203 }
8204
8205 static void DrawYamYamContentAreas()
8206 {
8207   int font_nr = FONT_TEXT_1;
8208   int font_height = getFontHeight(font_nr);
8209   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8210   int yoffset = (tilesize - font_height) / 2;
8211   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8212   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8213   int i;
8214
8215   /* display counter to choose number of element content areas */
8216   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8217
8218   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8219   {
8220     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8221
8222     if (i < level.num_yamyam_contents)
8223     {
8224       MapDrawingArea(id);
8225     }
8226     else
8227     {
8228       UnmapDrawingArea(id);
8229
8230       /* delete content areas in case of reducing number of them */
8231       RemoveElementContentArea(id, font_height);
8232     }
8233   }
8234
8235   DrawText(x, y + 0 * tilesize, "content", font_nr);
8236   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8237   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8238 }
8239
8240 static void DrawMagicBallContentAreas()
8241 {
8242   int font_nr = FONT_TEXT_1;
8243   int font_height = getFontHeight(font_nr);
8244   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8245   int yoffset = (tilesize - font_height) / 2;
8246   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8247   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8248   int i;
8249
8250   /* display counter to choose number of element content areas */
8251   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8252
8253   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8254   {
8255     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8256
8257     if (i < level.num_ball_contents)
8258     {
8259       MapDrawingArea(id);
8260     }
8261     else
8262     {
8263       UnmapDrawingArea(id);
8264
8265       /* delete content areas in case of reducing number of them */
8266       RemoveElementContentArea(id, font_height);
8267     }
8268   }
8269
8270   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8271   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8272   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8273 }
8274
8275 static void DrawAndroidElementArea(int element)
8276 {
8277   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8278   int num_elements = level.num_android_clone_elements;
8279   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8280   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8281   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8282   int xsize = MAX_ANDROID_ELEMENTS;
8283   int ysize = 1;
8284
8285   /* display counter to choose number of element areas */
8286   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8287
8288   if (drawingarea_info[id].text_left != NULL)
8289     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8290
8291   UnmapDrawingArea(id);
8292
8293   ModifyEditorDrawingArea(id, num_elements, 1);
8294
8295   /* delete content areas in case of reducing number of them */
8296   DrawBackground(sx, sy,
8297                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8298                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8299
8300   MapDrawingArea(id);
8301 }
8302
8303 static void DrawGroupElementArea(int element)
8304 {
8305   int id = ED_DRAWING_ID_GROUP_CONTENT;
8306   int num_elements = group_element_info.num_elements;
8307   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8308   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8309   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8310   int xsize = MAX_ELEMENTS_IN_GROUP;
8311   int ysize = 1;
8312
8313   if (drawingarea_info[id].text_left != NULL)
8314     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8315
8316   UnmapDrawingArea(id);
8317
8318   ModifyEditorDrawingArea(id, num_elements, 1);
8319
8320   /* delete content areas in case of reducing number of them */
8321   DrawBackground(sx, sy,
8322                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8323                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8324
8325   MapDrawingArea(id);
8326 }
8327
8328 static void DrawPlayerInitialInventoryArea(int element)
8329 {
8330   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8331   int player_nr = GET_PLAYER_NR(element);
8332   int num_elements = level.initial_inventory_size[player_nr];
8333   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8334   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8335   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8336   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8337   int ysize = 1;
8338
8339   /* determine horizontal position to the right of specified gadget */
8340   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8341     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8342           ED_DRAWINGAREA_TEXT_DISTANCE);
8343
8344   /* determine horizontal offset for leading text */
8345   if (drawingarea_info[id].text_left != NULL)
8346     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8347
8348   UnmapDrawingArea(id);
8349
8350   ModifyEditorDrawingArea(id, num_elements, 1);
8351
8352   /* delete content areas in case of reducing number of them */
8353   DrawBackground(sx, sy,
8354                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8355                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8356
8357   MapDrawingArea(id);
8358 }
8359
8360 static void DrawEnvelopeTextArea(int envelope_nr)
8361 {
8362   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8363   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8364
8365   UnmapGadget(gi);
8366   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8367
8368   if (envelope_nr != -1)
8369     textarea_info[id].value = level.envelope[envelope_nr].text;
8370
8371   ModifyGadget(gi, GDI_AREA_SIZE,
8372                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8373                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8374                GDI_END);
8375
8376   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8377 }
8378
8379 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8380 {
8381   int font_height = getFontHeight(font_nr);
8382   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8383   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8384   int sx = SX + pad_x;
8385   int sy = SY + pad_y;
8386   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8387
8388   if (start_line >= max_lines_per_screen)
8389     return FALSE;
8390
8391   DrawText(sx, sy + start_line * font_height, text, font_nr);
8392
8393   return TRUE;
8394 }
8395
8396 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8397 {
8398   int font_nr = FONT_TEXT_2;
8399   int font_width = getFontWidth(font_nr);
8400   int font_height = getFontHeight(font_nr);
8401   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8402   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8403   int sx = SX + pad_x;
8404   int sy = SY + pad_y + start_line * font_height;
8405   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8406   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8407   int max_lines_drawable = max_lines_per_screen - start_line;
8408
8409   if (start_line >= max_lines_per_screen)
8410     return FALSE;
8411
8412   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8413                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8414 }
8415
8416 static void DrawPropertiesInfo()
8417 {
8418   static struct
8419   {
8420     int value;
8421     char *text;
8422   }
8423   properties[] =
8424   {
8425     /* configurable properties */
8426
8427     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8428     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8429     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8430     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8431     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8432     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8433     { EP_PROTECTED,             "- player is protected by it"           },
8434
8435     { EP_DIGGABLE,              "- can be digged away"                  },
8436     { EP_COLLECTIBLE,           "- can be collected"                    },
8437     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8438     { EP_THROWABLE,             "- can be thrown after collecting"      },
8439     { EP_PUSHABLE,              "- can be pushed"                       },
8440
8441     { EP_CAN_FALL,              "- can fall"                            },
8442     { EP_CAN_MOVE,              "- can move"                            },
8443
8444     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8445 #if 0
8446     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8447 #endif
8448     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8449
8450     { EP_SLIPPERY,              "- slippery for falling elements"       },
8451     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8452
8453     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8454     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8455     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8456     { EP_DONT_TOUCH,            "- deadly when touching"                },
8457
8458     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8459
8460     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8461     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8462     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8463
8464     { EP_CAN_CHANGE,            "- can change to other element"         },
8465
8466     /* pre-defined properties */
8467     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8468     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8469     { EP_SWITCHABLE,            "- can be switched"                     },
8470 #if 0
8471     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8472 #endif
8473
8474     { -1,                       NULL                                    }
8475   };
8476   char *filename = getElementDescriptionFilename(properties_element);
8477   char *percentage_text = "In this level: ";
8478   char *properties_text = "Standard properties: ";
8479   float percentage;
8480   int num_elements_in_level;
8481   int num_standard_properties = 0;
8482   int font1_nr = FONT_TEXT_1;
8483   int font2_nr = FONT_TEXT_2;
8484   int font1_width = getFontWidth(font1_nr);
8485   int font2_height = getFontHeight(font2_nr);
8486   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8487   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8488   int screen_line = 0;
8489   int i, x, y;
8490
8491   if (setup.editor.show_element_token)
8492   {
8493     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8494               "[%s]", element_info[properties_element].token_name);
8495     screen_line++;
8496   }
8497
8498   /* ----- print number of elements / percentage of this element in level */
8499
8500   num_elements_in_level = 0;
8501   for (y = 0; y < lev_fieldy; y++)
8502     for (x = 0; x < lev_fieldx; x++)
8503       if (Feld[x][y] == properties_element)
8504         num_elements_in_level++;
8505   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8506
8507   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8508             percentage_text);
8509   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8510             pad_y + screen_line++ * font2_height, font2_nr,
8511             "%d (%.2f%%)", num_elements_in_level, percentage);
8512
8513   screen_line++;
8514
8515   /* ----- print standard properties of this element */
8516
8517   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8518             properties_text);
8519
8520   for (i = 0; properties[i].value != -1; i++)
8521   {
8522     if (!HAS_PROPERTY(properties_element, properties[i].value))
8523       continue;
8524
8525     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8526               properties[i].text);
8527     num_standard_properties++;
8528   }
8529
8530   if (num_standard_properties == 0)
8531     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8532               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8533
8534   screen_line++;
8535
8536   /* ----- print special description of this element */
8537
8538   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8539   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8540     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8541 }
8542
8543 #define TEXT_COLLECTING         "Score for collecting"
8544 #define TEXT_SMASHING           "Score for smashing"
8545 #define TEXT_SLURPING           "Score for slurping robot"
8546 #define TEXT_CRACKING           "Score for cracking"
8547 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8548 #define TEXT_DURATION           "Duration when activated"
8549 #define TEXT_BALL_DELAY         "Element generation delay"
8550 #define TEXT_MOVE_SPEED         "Speed of android moving"
8551 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8552 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8553 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8554 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8555 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8556 #define TEXT_TIME_BONUS         "Extra time to solve level"
8557
8558 static struct
8559 {
8560   int element;
8561   int *value;
8562   char *text;
8563 } elements_with_counter[] =
8564 {
8565   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8566   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8567   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8568   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8569   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8570   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8571   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8572   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8573   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8574   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8575   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8576   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8577   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8578   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8579   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8580   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8581   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8582   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8583   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8584   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8585   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8586   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8587   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8588   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8589   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8590   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8591   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8592   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8593   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8594   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8595   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8596   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8597   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8598   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8599   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8600   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8601   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8602   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8603   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8604   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8605   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8606   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8607   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8608   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8609   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8610   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8611   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8612   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8613   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8614   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8615   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8616   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8617   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8618   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8619   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8620   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8621   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8622   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8623   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8624   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8625   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8626   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8627   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8628   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8629   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8630   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8631   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8632   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8633   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8634   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8635   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8636   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8637   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8638   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8639
8640   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8641   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8642   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8643   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8644   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8645   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8646   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8647   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8648   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8649   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8650   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8651   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8652   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8653   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8654   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8655   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8656
8657   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8658   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8659   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8660   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8661   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8662   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8663   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8664   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8665
8666   { -1,                 NULL,                           NULL            }
8667 };
8668
8669 static boolean checkPropertiesConfig(int element)
8670 {
8671   int i;
8672
8673   if (IS_GEM(element) ||
8674       IS_CUSTOM_ELEMENT(element) ||
8675       IS_GROUP_ELEMENT(element) ||
8676       IS_ENVELOPE(element) ||
8677       ELEM_IS_PLAYER(element) ||
8678       HAS_EDITOR_CONTENT(element) ||
8679       CAN_GROW(element) ||
8680       COULD_MOVE_INTO_ACID(element) ||
8681       MAYBE_DONT_COLLIDE_WITH(element) ||
8682       element == EL_SOKOBAN_OBJECT ||
8683       element == EL_SOKOBAN_FIELD_EMPTY ||
8684       element == EL_SOKOBAN_FIELD_FULL)
8685     return TRUE;
8686   else
8687     for (i = 0; elements_with_counter[i].element != -1; i++)
8688       if (elements_with_counter[i].element == element)
8689         return TRUE;
8690
8691   return FALSE;
8692 }
8693
8694 static void DrawPropertiesConfig()
8695 {
8696   boolean draw_footer_line = FALSE;
8697   int max_num_element_counters = 4;
8698   int num_element_counters = 0;
8699   int i;
8700
8701   if (!checkPropertiesConfig(properties_element))
8702   {
8703     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8704
8705     return;
8706   }
8707
8708   /* check if there are elements where a value can be chosen for */
8709   for (i = 0; elements_with_counter[i].element != -1; i++)
8710   {
8711     if (elements_with_counter[i].element == properties_element)
8712     {
8713       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8714
8715       counterbutton_info[counter_id].y =
8716         ED_ELEMENT_SETTINGS_YPOS(
8717                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8718                 (CAN_GROW(properties_element)                ? 1 : 0) +
8719                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8720                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8721                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8722                 num_element_counters);
8723
8724       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8725       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8726
8727       if (properties_element == EL_GAME_OF_LIFE ||
8728           properties_element == EL_BIOMAZE)
8729       {
8730         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8731         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8732       }
8733       else
8734       {
8735         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8736         counterbutton_info[counter_id].min_value = MIN_SCORE;
8737         counterbutton_info[counter_id].max_value = MAX_SCORE;
8738       }
8739
8740       MapCounterButtons(counter_id);
8741
8742       num_element_counters++;
8743       if (num_element_counters >= max_num_element_counters)
8744         break;
8745     }
8746   }
8747
8748   if (HAS_EDITOR_CONTENT(properties_element))
8749   {
8750     /* draw stickybutton gadget */
8751     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8752
8753     if (IS_AMOEBOID(properties_element))
8754       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8755     else if (properties_element == EL_YAMYAM ||
8756              properties_element == EL_YAMYAM_LEFT ||
8757              properties_element == EL_YAMYAM_RIGHT ||
8758              properties_element == EL_YAMYAM_UP ||
8759              properties_element == EL_YAMYAM_DOWN)
8760       DrawYamYamContentAreas();
8761     else if (properties_element == EL_EMC_MAGIC_BALL)
8762     {
8763       DrawMagicBallContentAreas();
8764
8765       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8766       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8767     }
8768     else if (properties_element == EL_EMC_ANDROID)
8769       DrawAndroidElementArea(properties_element);
8770   }
8771
8772   if (ELEM_IS_PLAYER(properties_element))
8773   {
8774     int player_nr = GET_PLAYER_NR(properties_element);
8775
8776     /* these properties can be set for every player individually */
8777
8778     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8779     {
8780       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8781         &level.start_element[player_nr];
8782       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8783         &level.artwork_element[player_nr];
8784       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8785         &level.explosion_element[player_nr];
8786
8787       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8788         &level.use_start_element[player_nr];
8789       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8790         &level.use_artwork_element[player_nr];
8791       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8792         &level.use_explosion_element[player_nr];
8793       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8794         &level.initial_player_gravity[player_nr];
8795
8796       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8797         &level.initial_player_stepsize[player_nr];
8798
8799       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8800       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8801                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8802                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8803       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8804       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8805       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8806       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8807       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8808       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8809       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8810       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8811       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8812
8813       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8814       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8815       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8816
8817       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8818     }
8819     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8820     {
8821       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8822         &level.initial_inventory_content[player_nr][0];
8823
8824       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8825         &level.initial_inventory_size[player_nr];
8826
8827       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8828         &level.use_initial_inventory[player_nr];
8829
8830       /* draw checkbutton gadgets */
8831       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8832
8833       /* draw counter gadgets */
8834       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8835
8836       /* draw drawing area gadgets */
8837       DrawPlayerInitialInventoryArea(properties_element);
8838     }
8839   }
8840
8841   if (IS_GEM(properties_element))
8842     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8843
8844   if (properties_element == EL_EM_DYNAMITE)
8845     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8846
8847   if (COULD_MOVE_INTO_ACID(properties_element) &&
8848       !ELEM_IS_PLAYER(properties_element) &&
8849       (!IS_CUSTOM_ELEMENT(properties_element) ||
8850        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8851   {
8852     /* set position for checkbutton for "can move into acid" */
8853     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8854       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8855     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8856       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8857                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8858
8859     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8860   }
8861
8862   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8863     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8864
8865   if (properties_element == EL_SPRING)
8866     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8867
8868   if (properties_element == EL_TIME_ORB_FULL)
8869     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8870
8871   if (CAN_GROW(properties_element))
8872   {
8873     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8874       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8875
8876     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8877   }
8878
8879   if (properties_element == EL_SOKOBAN_OBJECT ||
8880       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8881       properties_element == EL_SOKOBAN_FIELD_FULL)
8882     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8883
8884   if (IS_ENVELOPE(properties_element))
8885   {
8886     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8887     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8888     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8889     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8890     int envelope_nr = properties_element - EL_ENVELOPE_1;
8891
8892     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8893     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8894
8895     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8896     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8897
8898     /* display counter to choose size of envelope text area */
8899     MapCounterButtons(counter1_id);
8900     MapCounterButtons(counter2_id);
8901
8902     /* display checkbuttons to choose auto-wrap and alignment properties */
8903     MapCheckbuttonGadget(button1_id);
8904     MapCheckbuttonGadget(button2_id);
8905
8906     DrawEnvelopeTextArea(envelope_nr);
8907   }
8908
8909   if (IS_CUSTOM_ELEMENT(properties_element))
8910   {
8911     /* draw stickybutton gadget */
8912     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8913
8914     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8915     {
8916       /* draw checkbutton gadgets */
8917       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8918            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8919         MapCheckbuttonGadget(i);
8920
8921       /* draw counter gadgets */
8922       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8923            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8924         MapCounterButtons(i);
8925
8926       /* draw selectbox gadgets */
8927       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8928            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8929         MapSelectboxGadget(i);
8930
8931       /* draw textbutton gadgets */
8932       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8933
8934       /* draw text input gadgets */
8935       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8936
8937       /* draw drawing area gadgets */
8938       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8939
8940       draw_footer_line = TRUE;
8941     }
8942     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8943     {
8944       /* draw checkbutton gadgets */
8945       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8946            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8947         MapCheckbuttonGadget(i);
8948
8949       /* draw counter gadgets */
8950       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8951            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8952         MapCounterButtons(i);
8953
8954       /* draw selectbox gadgets */
8955       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8956            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8957         MapSelectboxGadget(i);
8958
8959       /* draw drawing area gadgets */
8960       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8961       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8962       DrawCustomContentArea();
8963     }
8964   }
8965   else if (IS_GROUP_ELEMENT(properties_element))
8966   {
8967     /* draw stickybutton gadget */
8968     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8969
8970     /* draw checkbutton gadgets */
8971     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8972     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8973
8974     /* draw counter gadgets */
8975     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8976
8977     /* draw selectbox gadgets */
8978     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8979
8980     /* draw textbutton gadgets */
8981     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8982
8983     /* draw drawing area gadgets */
8984     DrawGroupElementArea(properties_element);
8985
8986     /* draw text input gadgets */
8987     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8988
8989     /* draw drawing area gadgets */
8990     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8991
8992     draw_footer_line = TRUE;
8993   }
8994
8995   /* draw little footer border line above CE/GE use/save template gadgets */
8996   if (draw_footer_line)
8997   {
8998     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8999     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9000     int gd_x = gd->x + gd_gi1->border.width / 2;
9001     int gd_y = gd->y + gd_gi1->height - 1;
9002     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9003
9004     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9005       FillRectangle(drawto,
9006                     SX + ED_ELEMENT_SETTINGS_X(0),
9007                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9008                     ED_TAB_BAR_HEIGHT,
9009                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9010   }
9011 }
9012
9013 static void DrawPropertiesChangeDrawingAreas()
9014 {
9015   if (IS_CUSTOM_ELEMENT(properties_element))
9016   {
9017     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9018     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9019     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9020
9021     DrawCustomChangeContentArea();
9022   }
9023
9024   redraw_mask |= REDRAW_FIELD;
9025 }
9026
9027 static void DrawPropertiesChange()
9028 {
9029   int i;
9030
9031   /* needed to initially set selectbox options for special action options */
9032   setSelectboxSpecialActionOptions();
9033
9034   /* draw stickybutton gadget */
9035   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9036
9037   /* draw checkbutton gadgets */
9038   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9039        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9040     MapCheckbuttonGadget(i);
9041
9042   /* draw counter gadgets */
9043   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9044        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9045     MapCounterButtons(i);
9046
9047   /* draw selectbox gadgets */
9048   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9049        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9050     MapSelectboxGadget(i);
9051
9052   /* draw textbutton gadgets */
9053   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9054        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9055     MapTextbuttonGadget(i);
9056
9057   /* draw graphicbutton gadgets */
9058   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9059        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9060     MapGraphicbuttonGadget(i);
9061
9062   /* draw drawing area gadgets */
9063   DrawPropertiesChangeDrawingAreas();
9064 }
9065
9066 static void DrawEditorElementAnimation(int x, int y)
9067 {
9068   int graphic = el2img(properties_element);
9069   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9070                custom_element.ce_value_fixed_initial :
9071                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9072                custom_element.collect_score_initial : FrameCounter);
9073
9074   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9075 }
9076
9077 static void DrawEditorElementName(int x, int y, int font_nr)
9078 {
9079   char *element_name = getElementInfoText(properties_element);
9080   int font_width = getFontWidth(font_nr);
9081   int font_height = getFontHeight(font_nr);
9082   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9083   int max_chars_per_line = max_text_width / font_width;
9084   char buffer[max_chars_per_line + 1];
9085
9086   if (strlen(element_name) <= max_chars_per_line)
9087     DrawTextS(x, y, font_nr, element_name);
9088   else
9089   {
9090     int next_pos = max_chars_per_line;
9091
9092     strncpy(buffer, element_name, max_chars_per_line);
9093     buffer[max_chars_per_line] = '\0';
9094
9095     if (element_name[max_chars_per_line] == ' ')
9096       next_pos++;
9097     else
9098     {
9099       int i;
9100
9101       for (i = max_chars_per_line - 1; i >= 0; i--)
9102         if (buffer[i] == ' ')
9103           break;
9104
9105       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9106       {
9107         buffer[i] = '\0';
9108         next_pos = i + 1;
9109       }
9110     }
9111
9112     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9113
9114     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9115     buffer[max_chars_per_line] = '\0';
9116
9117     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9118   }
9119 }
9120
9121 static void DrawPropertiesWindow()
9122 {
9123   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9124   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9125   int border_size = gd->border_size;
9126   int font_nr = FONT_TEXT_1;
9127   int font_height = getFontHeight(font_nr);
9128   int xoffset = TILEX + element_border + 3 * border_size;
9129   int yoffset = (TILEY - font_height) / 2;
9130   int x1 = editor.settings.element_graphic.x + element_border;
9131   int y1 = editor.settings.element_graphic.y + element_border;
9132   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9133             editor.settings.element_name.x);
9134   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9135             editor.settings.element_name.y);
9136   char *text = "Element Settings";
9137   int font2_nr = FONT_TITLE_1;
9138   struct MenuPosInfo *pos = &editor.settings.headline;
9139   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9140   int sy = SY + pos->y;
9141
9142   stick_element_properties_window = FALSE;
9143
9144   /* make sure that previous properties edit mode exists for this element */
9145   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9146       !IS_CUSTOM_ELEMENT(properties_element))
9147     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9148
9149   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9150       !ELEM_IS_PLAYER(properties_element) &&
9151       !IS_CUSTOM_ELEMENT(properties_element))
9152     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9153
9154   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9155       (ELEM_IS_PLAYER(properties_element) ||
9156        IS_CUSTOM_ELEMENT(properties_element)))
9157     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9158
9159   CopyElementPropertiesToEditor(properties_element);
9160
9161   UnmapLevelEditorFieldGadgets();
9162   UnmapLevelEditorToolboxDrawingGadgets();
9163   UnmapLevelEditorToolboxCustomGadgets();
9164
9165   if (IS_CUSTOM_ELEMENT(properties_element) ||
9166       IS_GROUP_ELEMENT(properties_element))
9167     MapLevelEditorToolboxCustomGadgets();
9168
9169   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9170   ClearField();
9171
9172   DrawText(sx, sy, text, font2_nr);
9173
9174   FrameCounter = 0;     /* restart animation frame counter */
9175
9176   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9177   DrawEditorElementAnimation(SX + x1, SY + y1);
9178   DrawEditorElementName(x2, y2, font_nr);
9179
9180   DrawPropertiesTabulatorGadgets();
9181
9182   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9183     DrawPropertiesInfo();
9184   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9185     DrawPropertiesChange();
9186   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9187     DrawPropertiesConfig();
9188 }
9189
9190 static void UpdateCustomElementGraphicGadgets()
9191 {
9192   struct ElementInfo *ei = &element_info[properties_element];
9193   int i;
9194
9195   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
9196                      properties_element);
9197
9198   ModifyEditorElementList();
9199   RedrawDrawingElements();
9200
9201   /* force redraw of all mapped drawing area gadgets */
9202   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9203   {
9204     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9205
9206     if (gi->mapped)
9207       MapDrawingArea(i);
9208   }
9209 }
9210
9211 static int getOpenDirectionFromTube(int element)
9212 {
9213   switch (element)
9214   {
9215     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9216     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9217     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9218     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9219     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9220     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9221     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9222     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9223     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9224     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9225     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9226   }
9227
9228   return MV_NONE;
9229 }
9230
9231 static int getTubeFromOpenDirection(int direction)
9232 {
9233   switch (direction)
9234   {
9235     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9236     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9237     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9238     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9239     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9240     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9241     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9242     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9243     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9244     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9245     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9246
9247     /* if only one direction, fall back to simple tube with that direction */
9248     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9249     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9250     case (MV_UP):                       return EL_TUBE_VERTICAL;
9251     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9252   }
9253
9254   return EL_EMPTY;
9255 }
9256
9257 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9258 {
9259   int element_new = getTubeFromOpenDirection(direction);
9260
9261   return (element_new != EL_EMPTY ? element_new : element_old);
9262 }
9263
9264 static int getOpenDirectionFromBelt(int element)
9265 {
9266   int belt_dir = getBeltDirFromBeltElement(element);
9267
9268   return (belt_dir == MV_LEFT ? MV_RIGHT :
9269           belt_dir == MV_RIGHT ? MV_LEFT :
9270           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9271 }
9272
9273 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9274 {
9275   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9276                   direction == MV_RIGHT ? MV_LEFT :
9277                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9278
9279   if (direction == MV_NONE)
9280     return EL_EMPTY;
9281
9282   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9283 }
9284
9285 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9286                                                  int element_old)
9287 {
9288   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9289
9290   return (element_new != EL_EMPTY ? element_new : element_old);
9291 }
9292
9293 static int getOpenDirectionFromPool(int element)
9294 {
9295   switch (element)
9296   {
9297     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9298     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9299     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9300     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9301     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9302     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9303   }
9304
9305   return MV_NONE;
9306 }
9307
9308 static int getPoolFromOpenDirection(int direction)
9309 {
9310   switch (direction)
9311   {
9312     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9313     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9314     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9315     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9316     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9317     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9318   }
9319
9320   return EL_EMPTY;
9321 }
9322
9323 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9324 {
9325   int element = getPoolFromOpenDirection(direction);
9326   int help_direction = getOpenDirectionFromPool(help_element);
9327
9328   if (element == EL_EMPTY)
9329   {
9330     int help_direction_vertical = help_direction & MV_VERTICAL;
9331
9332     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9333   }
9334
9335   if (element == EL_EMPTY)
9336   {
9337     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9338
9339     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9340   }
9341
9342   return element;
9343 }
9344
9345 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9346 {
9347   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9348
9349   return (element_new != EL_EMPTY ? element_new : element_old);
9350 }
9351
9352 static int getOpenDirectionFromPillar(int element)
9353 {
9354   switch (element)
9355   {
9356     case EL_EMC_WALL_1:                 return (MV_DOWN);
9357     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9358     case EL_EMC_WALL_3:                 return (MV_UP);
9359   }
9360
9361   return MV_NONE;
9362 }
9363
9364 static int getPillarFromOpenDirection(int direction)
9365 {
9366   switch (direction)
9367   {
9368     case (MV_DOWN):                     return EL_EMC_WALL_1;
9369     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9370     case (MV_UP):                       return EL_EMC_WALL_3;
9371   }
9372
9373   return EL_EMPTY;
9374 }
9375
9376 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9377 {
9378   int element_new = getPillarFromOpenDirection(direction);
9379
9380   return (element_new != EL_EMPTY ? element_new : element_old);
9381 }
9382
9383 static int getOpenDirectionFromSteel2(int element)
9384 {
9385   switch (element)
9386   {
9387     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9388     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9389     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9390     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9391     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9392     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9393     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9394     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9395   }
9396
9397   return MV_NONE;
9398 }
9399
9400 static int getSteel2FromOpenDirection(int direction)
9401 {
9402   switch (direction)
9403   {
9404     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9405     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9406     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9407     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9408     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9409     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9410     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9411     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9412   }
9413
9414   return EL_EMPTY;
9415 }
9416
9417 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9418 {
9419   int element_new = getSteel2FromOpenDirection(direction);
9420
9421   return (element_new != EL_EMPTY ? element_new : element_old);
9422 }
9423
9424 static int getOpenDirectionFromChip(int element)
9425 {
9426   switch (element)
9427   {
9428     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9429     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9430     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9431     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9432     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9433   }
9434
9435   return MV_NONE;
9436 }
9437
9438 static int getChipFromOpenDirection(int direction)
9439 {
9440   switch (direction)
9441   {
9442     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9443     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9444     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9445     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9446     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9447   }
9448
9449   return EL_EMPTY;
9450 }
9451
9452 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9453 {
9454   int element_new = getChipFromOpenDirection(direction);
9455
9456   return (element_new != EL_EMPTY ? element_new : element_old);
9457 }
9458
9459 static int getClosedTube(int x, int y)
9460 {
9461   static int xy[4][2] =
9462   {
9463     { -1, 0 },
9464     { +1, 0 },
9465     { 0, -1 },
9466     { 0, +1 }
9467   };
9468   int element_old = IntelliDrawBuffer[x][y];
9469   int direction_old = getOpenDirectionFromTube(element_old);
9470   int direction_new = MV_NONE;
9471   int i;
9472
9473   for (i = 0; i < NUM_DIRECTIONS; i++)
9474   {
9475     int xx = x + xy[i][0];
9476     int yy = y + xy[i][1];
9477     int dir = MV_DIR_FROM_BIT(i);
9478     int dir_opposite = MV_DIR_OPPOSITE(dir);
9479
9480     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9481         (direction_old & dir) &&
9482         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9483       direction_new |= dir;
9484   }
9485
9486   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9487 }
9488
9489 static int getClosedBelt(int x, int y)
9490 {
9491   static int xy[4][2] =
9492   {
9493     { -1, 0 },
9494     { +1, 0 },
9495     { 0, -1 },
9496     { 0, +1 }
9497   };
9498   int element_old = IntelliDrawBuffer[x][y];
9499   int nr = getBeltNrFromBeltElement(element_old);
9500   int direction_old = getOpenDirectionFromBelt(element_old);
9501   int direction_new = MV_NONE;
9502   int i;
9503
9504   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9505   {
9506     int xx = x + xy[i][0];
9507     int yy = y + xy[i][1];
9508     int dir = MV_DIR_FROM_BIT(i);
9509     int dir_opposite = MV_DIR_OPPOSITE(dir);
9510
9511     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9512         (direction_old & dir) &&
9513         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9514       direction_new |= dir;
9515   }
9516
9517   return getBeltFromNrAndOpenDirection(nr, direction_new);
9518 }
9519
9520 static int getClosedPool(int x, int y)
9521 {
9522   static int xy[4][2] =
9523   {
9524     { -1, 0 },
9525     { +1, 0 },
9526     { 0, -1 },
9527     { 0, +1 }
9528   };
9529   int element_old = IntelliDrawBuffer[x][y];
9530   int direction_old = getOpenDirectionFromPool(element_old);
9531   int direction_new = MV_NONE;
9532   int i;
9533
9534   for (i = 0; i < NUM_DIRECTIONS; i++)
9535   {
9536     int xx = x + xy[i][0];
9537     int yy = y + xy[i][1];
9538     int dir = MV_DIR_FROM_BIT(i);
9539     int dir_opposite = MV_DIR_OPPOSITE(dir);
9540
9541     if (IN_LEV_FIELD(xx, yy) &&
9542         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9543         (direction_old & dir) &&
9544         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9545       direction_new |= dir;
9546   }
9547
9548   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9549 }
9550
9551 static int getClosedPillar(int x, int y)
9552 {
9553   static int xy[4][2] =
9554   {
9555     { -1, 0 },
9556     { +1, 0 },
9557     { 0, -1 },
9558     { 0, +1 }
9559   };
9560   int element_old = IntelliDrawBuffer[x][y];
9561   int direction_old = getOpenDirectionFromPillar(element_old);
9562   int direction_new = MV_NONE;
9563   int i;
9564
9565   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9566   {
9567     int xx = x + xy[i][0];
9568     int yy = y + xy[i][1];
9569     int dir = MV_DIR_FROM_BIT(i);
9570     int dir_opposite = MV_DIR_OPPOSITE(dir);
9571
9572     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9573         (direction_old & dir) &&
9574         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9575       direction_new |= dir;
9576   }
9577
9578   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9579 }
9580
9581 static int getClosedSteel2(int x, int y)
9582 {
9583   static int xy[4][2] =
9584   {
9585     { -1, 0 },
9586     { +1, 0 },
9587     { 0, -1 },
9588     { 0, +1 }
9589   };
9590   int element_old = IntelliDrawBuffer[x][y];
9591   int direction_old = getOpenDirectionFromSteel2(element_old);
9592   int direction_new = MV_NONE;
9593   int i;
9594
9595   for (i = 0; i < NUM_DIRECTIONS; i++)
9596   {
9597     int xx = x + xy[i][0];
9598     int yy = y + xy[i][1];
9599     int dir = MV_DIR_FROM_BIT(i);
9600     int dir_opposite = MV_DIR_OPPOSITE(dir);
9601
9602     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9603         (direction_old & dir) &&
9604         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9605       direction_new |= dir;
9606   }
9607
9608   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9609 }
9610
9611 static int getClosedChip(int x, int y)
9612 {
9613   static int xy[4][2] =
9614   {
9615     { -1, 0 },
9616     { +1, 0 },
9617     { 0, -1 },
9618     { 0, +1 }
9619   };
9620   int element_old = IntelliDrawBuffer[x][y];
9621   int direction_old = getOpenDirectionFromChip(element_old);
9622   int direction_new = MV_NONE;
9623   int i;
9624
9625   for (i = 0; i < NUM_DIRECTIONS; i++)
9626   {
9627     int xx = x + xy[i][0];
9628     int yy = y + xy[i][1];
9629     int dir = MV_DIR_FROM_BIT(i);
9630     int dir_opposite = MV_DIR_OPPOSITE(dir);
9631
9632     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9633         (direction_old & dir) &&
9634         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9635       direction_new |= dir;
9636   }
9637
9638   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9639 }
9640
9641 static void SetElementSimple(int x, int y, int element, boolean change_level)
9642 {
9643   int sx = x - level_xpos;
9644   int sy = y - level_ypos;
9645
9646   IntelliDrawBuffer[x][y] = element;
9647
9648   if (change_level)
9649     Feld[x][y] = element;
9650
9651   if (IN_ED_FIELD(sx, sy))
9652     DrawEditorElement(sx, sy, element);
9653 }
9654
9655 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9656                                            int x2, int y2, int *element2,
9657                                            int (*close_function)(int, int),
9658                                            boolean change_level)
9659 {
9660   /* set neighbour elements to newly determined connections */
9661   SetElementSimple(x1, y1, *element1, change_level);
9662   SetElementSimple(x2, y2, *element2, change_level);
9663
9664   /* remove all open connections of neighbour elements */
9665   *element1 = close_function(x1, y1);
9666   *element2 = close_function(x2, y2);
9667
9668   /* set neighbour elements to new, minimized connections */
9669   SetElementSimple(x1, y1, *element1, change_level);
9670   SetElementSimple(x2, y2, *element2, change_level);
9671 }
9672
9673 static void SetElementIntelliDraw(int x, int y, int new_element,
9674                                   boolean change_level, int button)
9675 {
9676   static int xy[4][2] =
9677   {
9678     { -1, 0 },
9679     { +1, 0 },
9680     { 0, -1 },
9681     { 0, +1 }
9682   };
9683   static int last_x = -1;
9684   static int last_y = -1;
9685   int old_element = IntelliDrawBuffer[x][y];
9686
9687   if (new_element == EL_UNDEFINED)
9688   {
9689     last_x = -1;
9690     last_y = -1;
9691
9692     return;
9693   }
9694
9695   if (IS_TUBE(new_element))
9696   {
9697     int last_element_new = EL_UNDEFINED;
9698     int direction = MV_NONE;
9699     int i;
9700
9701     /* if old element is of same kind, keep all existing directions */
9702     if (IS_TUBE(old_element))
9703       direction |= getOpenDirectionFromTube(old_element);
9704
9705     for (i = 0; i < NUM_DIRECTIONS; i++)
9706     {
9707       int xx = x + xy[i][0];
9708       int yy = y + xy[i][1];
9709
9710       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9711           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9712       {
9713         int dir = MV_DIR_FROM_BIT(i);
9714         int dir_opposite = MV_DIR_OPPOSITE(dir);
9715         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9716         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9717         int last_direction_new = last_direction_old | dir_opposite;
9718
9719         last_element_new = getTubeFromOpenDirection(last_direction_new);
9720
9721         direction |= dir;
9722       }
9723     }
9724
9725     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9726
9727     if (last_element_new != EL_UNDEFINED)
9728       MergeAndCloseNeighbourElements(x, y, &new_element,
9729                                      last_x, last_y, &last_element_new,
9730                                      getClosedTube, change_level);
9731   }
9732   else if (IS_BELT(new_element))
9733   {
9734     int belt_nr = getBeltNrFromBeltElement(new_element);
9735     int last_element_new = EL_UNDEFINED;
9736     int direction = MV_NONE;
9737     int i;
9738
9739     /* if old element is of same kind, keep all existing directions */
9740     if (IS_BELT(old_element))
9741       direction |= getOpenDirectionFromBelt(old_element);
9742
9743     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9744     {
9745       int xx = x + xy[i][0];
9746       int yy = y + xy[i][1];
9747
9748       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9749           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9750       {
9751         int dir = MV_DIR_FROM_BIT(i);
9752         int dir_opposite = MV_DIR_OPPOSITE(dir);
9753         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9754         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9755         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9756         int last_direction_new = last_direction_old | dir_opposite;
9757
9758         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9759                                                          last_direction_new);
9760         direction |= dir;
9761       }
9762     }
9763
9764     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9765                                                         new_element);
9766     if (last_element_new != EL_UNDEFINED)
9767       MergeAndCloseNeighbourElements(x, y, &new_element,
9768                                      last_x, last_y, &last_element_new,
9769                                      getClosedBelt, change_level);
9770   }
9771   else if (IS_ACID_POOL_OR_ACID(new_element))
9772   {
9773     int last_element_new = EL_UNDEFINED;
9774     int direction = MV_NONE;
9775     int i;
9776
9777     /* if old element is of same kind, keep all existing directions */
9778     if (IS_ACID_POOL_OR_ACID(old_element))
9779       direction |= getOpenDirectionFromPool(old_element);
9780
9781     for (i = 0; i < NUM_DIRECTIONS; i++)
9782     {
9783       int xx = x + xy[i][0];
9784       int yy = y + xy[i][1];
9785
9786       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9787           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9788       {
9789         int dir = MV_DIR_FROM_BIT(i);
9790         int dir_opposite = MV_DIR_OPPOSITE(dir);
9791         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9792         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9793         int last_direction_new = last_direction_old | dir_opposite;
9794
9795         last_element_new = getPoolFromOpenDirection(last_direction_new);
9796
9797         direction |= dir;
9798       }
9799     }
9800
9801     /* special corrections needed for intuitively correct acid pool drawing */
9802     if (last_element_new == EL_EMPTY)
9803       last_element_new = new_element;
9804     else if (last_element_new != EL_UNDEFINED)
9805       new_element = last_element_new;
9806
9807     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9808
9809     if (last_element_new != EL_UNDEFINED)
9810       MergeAndCloseNeighbourElements(x, y, &new_element,
9811                                      last_x, last_y, &last_element_new,
9812                                      getClosedPool, change_level);
9813   }
9814   else if (IS_EMC_PILLAR(new_element))
9815   {
9816     int last_element_new = EL_UNDEFINED;
9817     int direction = MV_NONE;
9818     int i;
9819
9820     /* if old element is of same kind, keep all existing directions */
9821     if (IS_EMC_PILLAR(old_element))
9822       direction |= getOpenDirectionFromPillar(old_element);
9823
9824     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9825     {
9826       int xx = x + xy[i][0];
9827       int yy = y + xy[i][1];
9828
9829       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9830           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9831       {
9832         int dir = MV_DIR_FROM_BIT(i);
9833         int dir_opposite = MV_DIR_OPPOSITE(dir);
9834         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9835         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9836         int last_direction_new = last_direction_old | dir_opposite;
9837
9838         last_element_new = getPillarFromOpenDirection(last_direction_new);
9839
9840         direction |= dir;
9841       }
9842     }
9843
9844     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9845
9846     if (last_element_new != EL_UNDEFINED)
9847       MergeAndCloseNeighbourElements(x, y, &new_element,
9848                                      last_x, last_y, &last_element_new,
9849                                      getClosedPillar, change_level);
9850   }
9851   else if (IS_DC_STEELWALL_2(new_element))
9852   {
9853     int last_element_new = EL_UNDEFINED;
9854     int direction = MV_NONE;
9855     int i;
9856
9857     /* if old element is of same kind, keep all existing directions */
9858     if (IS_DC_STEELWALL_2(old_element))
9859       direction |= getOpenDirectionFromSteel2(old_element);
9860
9861     for (i = 0; i < NUM_DIRECTIONS; i++)
9862     {
9863       int xx = x + xy[i][0];
9864       int yy = y + xy[i][1];
9865
9866       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9867           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9868       {
9869         int dir = MV_DIR_FROM_BIT(i);
9870         int dir_opposite = MV_DIR_OPPOSITE(dir);
9871         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9872         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9873         int last_direction_new = last_direction_old | dir_opposite;
9874
9875         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9876
9877         direction |= dir;
9878       }
9879     }
9880
9881     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9882
9883     if (last_element_new != EL_UNDEFINED)
9884       MergeAndCloseNeighbourElements(x, y, &new_element,
9885                                      last_x, last_y, &last_element_new,
9886                                      getClosedSteel2, change_level);
9887   }
9888   else if (IS_SP_CHIP(new_element))
9889   {
9890     int last_element_new = EL_UNDEFINED;
9891     int direction = MV_NONE;
9892     int i;
9893
9894     /* (do not keep existing directions, regardless of kind of old element) */
9895
9896     for (i = 0; i < NUM_DIRECTIONS; i++)
9897     {
9898       int xx = x + xy[i][0];
9899       int yy = y + xy[i][1];
9900
9901       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9902           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9903       {
9904         int dir = MV_DIR_FROM_BIT(i);
9905         int dir_opposite = MV_DIR_OPPOSITE(dir);
9906         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9907         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9908         int last_direction_new = last_direction_old | dir_opposite;
9909
9910         if (last_direction_old == MV_NONE)
9911         {
9912           last_element_new = getChipFromOpenDirection(last_direction_new);
9913           direction |= dir;
9914         }
9915         else if (last_direction_old & (dir | dir_opposite))
9916         {
9917           direction |= MV_DIR_OPPOSITE(last_direction_old);
9918         }
9919         else
9920         {
9921           direction |= MV_DIR_OPPOSITE(dir);
9922         }
9923       }
9924     }
9925
9926     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9927
9928     if (last_element_new != EL_UNDEFINED)
9929       MergeAndCloseNeighbourElements(x, y, &new_element,
9930                                      last_x, last_y, &last_element_new,
9931                                      getClosedChip, change_level);
9932   }
9933   else if (IS_SP_HARDWARE_BASE(new_element))
9934   {
9935     int nr = GetSimpleRandom(6);
9936
9937     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9938                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9939                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9940                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9941                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9942   }
9943   else if (new_element == EL_SP_HARDWARE_GREEN ||
9944            new_element == EL_SP_HARDWARE_BLUE ||
9945            new_element == EL_SP_HARDWARE_RED)
9946   {
9947     int nr = GetSimpleRandom(3);
9948
9949     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9950                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9951   }
9952   else if (IS_GROUP_ELEMENT(new_element))
9953   {
9954     boolean connected_drawing = FALSE;
9955     int i;
9956
9957     for (i = 0; i < NUM_DIRECTIONS; i++)
9958     {
9959       int xx = x + xy[i][0];
9960       int yy = y + xy[i][1];
9961
9962       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9963           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9964         connected_drawing = TRUE;
9965     }
9966
9967     if (!connected_drawing)
9968       ResolveGroupElement(new_element);
9969
9970     new_element = GetElementFromGroupElement(new_element);
9971   }
9972   else if (IS_BELT_SWITCH(old_element))
9973   {
9974     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9975     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9976
9977     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9978                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9979
9980     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9981   }
9982   else
9983   {
9984     static int swappable_elements[][2] =
9985     {
9986       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9987       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9988       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9989       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9990       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9991       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9992       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9993       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9994       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9995       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9996       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9997       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9998       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9999       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10000       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10001       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10002       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10003       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10004       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10005       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10006       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10007       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10008       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10009       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10010       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10011       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10012       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10013       { EL_PEARL,                       EL_WALL_PEARL                   },
10014       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10015       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10016       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10017       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10018       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10019       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10020       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10021       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10022       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10023       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10024       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10025       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10026
10027       { -1,                             -1                              },
10028     };
10029     static int rotatable_elements[][4] =
10030     {
10031       {
10032         EL_BUG_UP,
10033         EL_BUG_RIGHT,
10034         EL_BUG_DOWN,
10035         EL_BUG_LEFT
10036       },
10037
10038       {
10039         EL_SPACESHIP_UP,
10040         EL_SPACESHIP_RIGHT,
10041         EL_SPACESHIP_DOWN,
10042         EL_SPACESHIP_LEFT
10043       },
10044
10045       {
10046         EL_BD_BUTTERFLY_UP,
10047         EL_BD_BUTTERFLY_RIGHT,
10048         EL_BD_BUTTERFLY_DOWN,
10049         EL_BD_BUTTERFLY_LEFT
10050       },
10051
10052       {
10053         EL_BD_FIREFLY_UP,
10054         EL_BD_FIREFLY_RIGHT,
10055         EL_BD_FIREFLY_DOWN,
10056         EL_BD_FIREFLY_LEFT
10057       },
10058
10059       {
10060         EL_PACMAN_UP,
10061         EL_PACMAN_RIGHT,
10062         EL_PACMAN_DOWN,
10063         EL_PACMAN_LEFT
10064       },
10065
10066       {
10067         EL_YAMYAM_UP,
10068         EL_YAMYAM_RIGHT,
10069         EL_YAMYAM_DOWN,
10070         EL_YAMYAM_LEFT
10071       },
10072
10073       {
10074         EL_ARROW_UP,
10075         EL_ARROW_RIGHT,
10076         EL_ARROW_DOWN,
10077         EL_ARROW_LEFT
10078       },
10079
10080       {
10081         EL_SP_PORT_UP,
10082         EL_SP_PORT_RIGHT,
10083         EL_SP_PORT_DOWN,
10084         EL_SP_PORT_LEFT
10085       },
10086
10087       {
10088         EL_SP_GRAVITY_PORT_UP,
10089         EL_SP_GRAVITY_PORT_RIGHT,
10090         EL_SP_GRAVITY_PORT_DOWN,
10091         EL_SP_GRAVITY_PORT_LEFT
10092       },
10093
10094       {
10095         EL_SP_GRAVITY_ON_PORT_UP,
10096         EL_SP_GRAVITY_ON_PORT_RIGHT,
10097         EL_SP_GRAVITY_ON_PORT_DOWN,
10098         EL_SP_GRAVITY_ON_PORT_LEFT
10099       },
10100
10101       {
10102         EL_SP_GRAVITY_OFF_PORT_UP,
10103         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10104         EL_SP_GRAVITY_OFF_PORT_DOWN,
10105         EL_SP_GRAVITY_OFF_PORT_LEFT
10106       },
10107
10108       {
10109         EL_MOLE_UP,
10110         EL_MOLE_RIGHT,
10111         EL_MOLE_DOWN,
10112         EL_MOLE_LEFT
10113       },
10114
10115       {
10116         EL_BALLOON_SWITCH_UP,
10117         EL_BALLOON_SWITCH_RIGHT,
10118         EL_BALLOON_SWITCH_DOWN,
10119         EL_BALLOON_SWITCH_LEFT
10120       },
10121
10122       {
10123         -1,
10124         -1,
10125         -1,
10126         -1,
10127       },
10128     };
10129     int i, j;
10130
10131     for (i = 0; swappable_elements[i][0] != -1; i++)
10132     {
10133       int element1 = swappable_elements[i][0];
10134       int element2 = swappable_elements[i][1];
10135
10136       if (old_element == element1 || old_element == element2)
10137         new_element = (old_element == element1 ? element2 : element1);
10138     }
10139
10140     for (i = 0; rotatable_elements[i][0] != -1; i++)
10141     {
10142       for (j = 0; j < 4; j++)
10143       {
10144         int element = rotatable_elements[i][j];
10145
10146         if (old_element == element)
10147           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10148                          button == 2 ? rotatable_elements[i][0]           :
10149                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10150                          old_element);
10151       }
10152     }
10153   }
10154
10155   SetElementSimple(x, y, new_element, change_level);
10156
10157   last_x = x;
10158   last_y = y;
10159 }
10160
10161 static void ResetIntelliDraw()
10162 {
10163   int x, y;
10164
10165   for (x = 0; x < lev_fieldx; x++)
10166     for (y = 0; y < lev_fieldy; y++)
10167       IntelliDrawBuffer[x][y] = Feld[x][y];
10168
10169   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10170 }
10171
10172 static void SetElementExt(int x, int y, int element, boolean change_level,
10173                           int button)
10174 {
10175   if (element < 0)
10176     SetElementSimple(x, y, Feld[x][y], change_level);
10177   else if (GetKeyModState() & KMOD_Shift)
10178     SetElementIntelliDraw(x, y, element, change_level, button);
10179   else
10180     SetElementSimple(x, y, element, change_level);
10181 }
10182
10183 static void SetElement(int x, int y, int element)
10184 {
10185   SetElementExt(x, y, element, TRUE, -1);
10186 }
10187
10188 static void SetElementButton(int x, int y, int element, int button)
10189 {
10190   SetElementExt(x, y, element, TRUE, button);
10191 }
10192
10193 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10194 {
10195   int lx = sx + level_xpos;
10196   int ly = sy + level_ypos;
10197
10198   SetElementExt(lx, ly, element, change_level, -1);
10199 }
10200
10201 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10202                      int element, boolean change_level)
10203 {
10204   int xsize = ABS(to_x - from_x);
10205   int ysize = ABS(to_y - from_y);
10206   int dx = (to_x < from_x ? -1 : +1);
10207   int dy = (to_y < from_y ? -1 : +1);
10208   int i;
10209
10210   if (from_y == to_y)                   /* horizontal line */
10211   {
10212     for (i = 0; i <= xsize; i++)
10213       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10214   }
10215   else if (from_x == to_x)              /* vertical line */
10216   {
10217     for (i = 0; i <= ysize; i++)
10218       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10219   }
10220   else                                  /* diagonal line */
10221   {
10222     if (ysize < xsize)                  /* a < 1 */
10223     {
10224       float a = (float)ysize / (float)xsize;
10225
10226       for (i = 0; i <= xsize; i++)
10227       {
10228         int x = dx * i;
10229         int y = dy * (int)(a * i + 0.5);
10230
10231         DrawLineElement(from_x + x, from_y + y, element, change_level);
10232       }
10233     }
10234     else                                /* a >= 1 */
10235     {
10236       float a = (float)xsize / (float)ysize;
10237
10238       for (i = 0; i <= ysize; i++)
10239       {
10240         int x = dx * (int)(a * i + 0.5);
10241         int y = dy * i;
10242
10243         DrawLineElement(from_x + x, from_y + y, element, change_level);
10244       }
10245     }
10246   }
10247 }
10248
10249 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10250                     int element, boolean change_level)
10251 {
10252   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10253   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10254   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10255   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10256 }
10257
10258 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10259                           int element, boolean change_level)
10260 {
10261   int y;
10262
10263   if (from_y > to_y)
10264     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10265
10266   for (y = from_y; y <= to_y; y++)
10267     DrawLine(from_x, y, to_x, y, element, change_level);
10268 }
10269
10270 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10271                        int element, boolean change_level)
10272 {
10273   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10274   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10275   int len_x = ABS(to_x - from_x);
10276   int len_y = ABS(to_y - from_y);
10277   int radius, x, y;
10278
10279   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10280
10281   /* not optimal (some points get drawn twice) but simple,
10282      and fast enough for the few points we are drawing */
10283
10284   for (x = 0; x <= radius; x++)
10285   {
10286     int sx, sy, lx, ly;
10287
10288     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10289
10290     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10291     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10292     lx = sx + level_xpos;
10293     ly = sy + level_ypos;
10294
10295     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10296       DrawLineElement(sx, sy, element, change_level);
10297   }
10298
10299   for (y = 0; y <= radius; y++)
10300   {
10301     int sx, sy, lx, ly;
10302
10303     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10304
10305     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10306     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10307     lx = sx + level_xpos;
10308     ly = sy + level_ypos;
10309
10310     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10311       DrawLineElement(sx, sy, element, change_level);
10312   }
10313 }
10314
10315 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10316                     int element, boolean change_level)
10317 {
10318   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10319   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10320
10321   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10322 }
10323
10324 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10325
10326 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10327 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10328                        int element, boolean change_level)
10329 {
10330   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10331   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10332   int mirror_to_x2 = from_x - (to_x2 - from_x);
10333   int mirror_to_y2 = from_y - (to_y2 - from_y);
10334
10335   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10336   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10337   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10338   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10339 }
10340 #endif
10341
10342 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10343 {
10344   int from_sx, from_sy;
10345   int to_sx, to_sy;
10346
10347   if (from_x > to_x)
10348     swap_numbers(&from_x, &to_x);
10349
10350   if (from_y > to_y)
10351     swap_numbers(&from_y, &to_y);
10352
10353   from_sx = SX + from_x * ed_tilesize;
10354   from_sy = SY + from_y * ed_tilesize;
10355   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10356   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10357
10358   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10359   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10360   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10361   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10362
10363   if (from_x == to_x && from_y == to_y)
10364     MarkTileDirty(from_x/2, from_y/2);
10365   else
10366     redraw_mask |= REDRAW_FIELD;
10367 }
10368
10369 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10370                        int element, boolean change_level)
10371 {
10372   if (element == -1 || change_level)
10373     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10374   else
10375     DrawAreaBorder(from_x, from_y, to_x, to_y);
10376 }
10377
10378 /* values for CopyBrushExt() */
10379 #define CB_AREA_TO_BRUSH        0
10380 #define CB_BRUSH_TO_CURSOR      1
10381 #define CB_BRUSH_TO_LEVEL       2
10382 #define CB_DELETE_OLD_CURSOR    3
10383 #define CB_DUMP_BRUSH           4
10384 #define CB_DUMP_BRUSH_SMALL     5
10385
10386 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10387                          int button, int mode)
10388 {
10389   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10390   static int brush_width, brush_height;
10391   static int last_cursor_x = -1, last_cursor_y = -1;
10392   static boolean delete_old_brush;
10393   int new_element = BUTTON_ELEMENT(button);
10394   int x, y;
10395
10396   if (mode == CB_DUMP_BRUSH ||
10397       mode == CB_DUMP_BRUSH_SMALL)
10398   {
10399     if (!draw_with_brush)
10400     {
10401       Error(ERR_WARN, "no brush selected");
10402
10403       return;
10404     }
10405
10406     for (y = 0; y < brush_height; y++)
10407     {
10408       for (x = 0; x < brush_width; x++)
10409       {
10410         int element = brush_buffer[x][y];
10411         int element_mapped = element;
10412
10413         if (IS_CUSTOM_ELEMENT(element))
10414           element_mapped = EL_CUSTOM_START;
10415         else if (IS_GROUP_ELEMENT(element))
10416           element_mapped = EL_GROUP_START;
10417         else if (element >= NUM_FILE_ELEMENTS)
10418           element_mapped = EL_UNKNOWN;
10419
10420         // dump brush as level sketch text for the R'n'D forum:
10421         // - large tiles: `xxx (0x60 ASCII)
10422         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10423         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10424       }
10425
10426       printf("\n");
10427     }
10428
10429     return;
10430   }
10431
10432   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10433     return;
10434
10435   if (mode == CB_AREA_TO_BRUSH)
10436   {
10437     int from_lx, from_ly;
10438
10439     if (from_x > to_x)
10440       swap_numbers(&from_x, &to_x);
10441
10442     if (from_y > to_y)
10443       swap_numbers(&from_y, &to_y);
10444
10445     brush_width = to_x - from_x + 1;
10446     brush_height = to_y - from_y + 1;
10447
10448     from_lx = from_x + level_xpos;
10449     from_ly = from_y + level_ypos;
10450
10451     for (y = 0; y < brush_height; y++)
10452     {
10453       for (x = 0; x < brush_width; x++)
10454       {
10455         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10456
10457         if (button != 1)
10458           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10459       }
10460     }
10461
10462     if (button != 1)
10463       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10464
10465     delete_old_brush = FALSE;
10466   }
10467   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10468            mode == CB_BRUSH_TO_LEVEL)
10469   {
10470     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10471     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10472     int cursor_from_x = cursor_x - brush_width / 2;
10473     int cursor_from_y = cursor_y - brush_height / 2;
10474     int border_from_x = cursor_x, border_from_y = cursor_y;
10475     int border_to_x = cursor_x, border_to_y = cursor_y;
10476
10477     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10478       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10479
10480     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10481         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10482     {
10483       delete_old_brush = FALSE;
10484       return;
10485     }
10486
10487     for (y = 0; y < brush_height; y++)
10488     {
10489       for (x = 0; x < brush_width; x++)
10490       {
10491         int sx = cursor_from_x + x;
10492         int sy = cursor_from_y + y;
10493         int lx = sx + level_xpos;
10494         int ly = sy + level_ypos;
10495         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10496         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10497                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10498                        brush_buffer[x][y] : new_element);
10499
10500         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10501         {
10502           if (sx < border_from_x)
10503             border_from_x = sx;
10504           else if (sx > border_to_x)
10505             border_to_x = sx;
10506           if (sy < border_from_y)
10507             border_from_y = sy;
10508           else if (sy > border_to_y)
10509             border_to_y = sy;
10510
10511           DrawLineElement(sx, sy, element, change_level);
10512         }
10513       }
10514     }
10515
10516     if (mode != CB_DELETE_OLD_CURSOR)
10517       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10518
10519     last_cursor_x = cursor_x;
10520     last_cursor_y = cursor_y;
10521     delete_old_brush = TRUE;
10522   }
10523 }
10524
10525 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10526                             int button)
10527 {
10528   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10529 }
10530
10531 static void CopyBrushToLevel(int x, int y, int button)
10532 {
10533   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10534 }
10535
10536 static void CopyBrushToCursor(int x, int y)
10537 {
10538   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10539 }
10540
10541 static void DeleteBrushFromCursor()
10542 {
10543   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10544 }
10545
10546 void DumpBrush()
10547 {
10548   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10549 }
10550
10551 void DumpBrush_Small()
10552 {
10553   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10554 }
10555
10556 static void FloodFill(int from_x, int from_y, int fill_element)
10557 {
10558   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10559 }
10560
10561 /* values for DrawLevelText() modes */
10562 #define TEXT_INIT               0
10563 #define TEXT_SETCURSOR          1
10564 #define TEXT_WRITECHAR          2
10565 #define TEXT_BACKSPACE          3
10566 #define TEXT_NEWLINE            4
10567 #define TEXT_END                5
10568 #define TEXT_QUERY_TYPING       6
10569
10570 static int DrawLevelText(int sx, int sy, char letter, int mode)
10571 {
10572   static short delete_buffer[MAX_LEV_FIELDX];
10573   static int start_sx;
10574   static int last_sx, last_sy;
10575   static boolean typing = FALSE;
10576   int letter_element = EL_CHAR_ASCII0 + letter;
10577   int lx = 0, ly = 0;
10578
10579   /* map lower case letters to upper case and convert special characters */
10580   if (letter >= 'a' && letter <= 'z')
10581     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10582   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10583     letter_element = EL_CHAR_AUMLAUT;
10584   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10585     letter_element = EL_CHAR_OUMLAUT;
10586   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10587     letter_element = EL_CHAR_UUMLAUT;
10588   else if (letter == '^')
10589     letter_element = EL_CHAR_COPYRIGHT;
10590   else
10591     letter_element = EL_CHAR_ASCII0 + letter;
10592
10593   if (mode != TEXT_INIT)
10594   {
10595     if (!typing)
10596       return FALSE;
10597
10598     if (mode != TEXT_SETCURSOR)
10599     {
10600       sx = last_sx;
10601       sy = last_sy;
10602     }
10603
10604     lx = last_sx + level_xpos;
10605     ly = last_sy + level_ypos;
10606   }
10607
10608   switch (mode)
10609   {
10610     case TEXT_INIT:
10611       if (typing)
10612         DrawLevelText(0, 0, 0, TEXT_END);
10613
10614       typing = TRUE;
10615       start_sx = sx;
10616       last_sx = sx;
10617       last_sy = sy;
10618       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10619       break;
10620
10621     case TEXT_SETCURSOR:
10622       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10623       DrawAreaBorder(sx, sy, sx, sy);
10624       last_sx = sx;
10625       last_sy = sy;
10626       break;
10627
10628     case TEXT_WRITECHAR:
10629       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10630       {
10631         if (new_element1 >= EL_STEEL_CHAR_START &&
10632             new_element1 <= EL_STEEL_CHAR_END)
10633           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10634
10635         delete_buffer[sx - start_sx] = Feld[lx][ly];
10636         Feld[lx][ly] = letter_element;
10637
10638         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10639           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10640         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10641           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10642         else
10643           DrawLevelText(0, 0, 0, TEXT_END);
10644
10645         level.changed = TRUE;
10646       }
10647       break;
10648
10649     case TEXT_BACKSPACE:
10650       if (sx > start_sx)
10651       {
10652         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10653         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10654         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10655       }
10656       break;
10657
10658     case TEXT_NEWLINE:
10659       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10660         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10661       else
10662         DrawLevelText(0, 0, 0, TEXT_END);
10663       break;
10664
10665     case TEXT_END:
10666       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10667       DrawEditorElement(sx, sy, Feld[lx][ly]);
10668       typing = FALSE;
10669       break;
10670
10671     case TEXT_QUERY_TYPING:
10672       break;
10673
10674     default:
10675       break;
10676   }
10677
10678   return typing;
10679 }
10680
10681 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10682                           int element, boolean change_level)
10683 {
10684   int lx = sx + level_xpos;
10685   int ly = sy + level_ypos;
10686
10687   if (element == -1)
10688     DrawEditorElement(sx, sy, Feld[lx][ly]);
10689   else
10690     DrawAreaBorder(sx, sy, sx, sy);
10691 }
10692
10693 static void CheckLevelBorderElement(boolean redraw_playfield)
10694 {
10695   int last_border_element = BorderElement;
10696
10697   SetBorderElement();
10698
10699   if (redraw_playfield && BorderElement != last_border_element)
10700     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10701 }
10702
10703 static void CopyLevelToUndoBuffer(int mode)
10704 {
10705   static boolean accumulated_undo = FALSE;
10706   boolean new_undo_buffer_position = TRUE;
10707   int x, y;
10708
10709   if (undo_buffer_steps == 0)
10710     accumulated_undo = FALSE;
10711
10712   switch (mode)
10713   {
10714     case UNDO_IMMEDIATE:
10715       accumulated_undo = FALSE;
10716       break;
10717
10718     case UNDO_ACCUMULATE:
10719       if (accumulated_undo)
10720         new_undo_buffer_position = FALSE;
10721       accumulated_undo = TRUE;
10722       break;
10723
10724     default:
10725       break;
10726   }
10727
10728   if (new_undo_buffer_position)
10729   {
10730     /* advance position in undo buffer ring */
10731     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10732
10733     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10734       undo_buffer_steps++;
10735   }
10736
10737   /* always reset redo buffer when storing level change into undo buffer */
10738   redo_buffer_steps = 0;
10739
10740   for (x = 0; x < lev_fieldx; x++)
10741     for (y = 0; y < lev_fieldy; y++)
10742       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10743
10744   /* check if drawing operation forces change of border style */
10745   CheckLevelBorderElement(TRUE);
10746
10747   level.changed = TRUE;
10748 }
10749
10750 static void RandomPlacement(int new_element)
10751 {
10752   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10753   int num_free_positions = 0;
10754   int num_percentage, num_elements;
10755   int x, y;
10756
10757   ResetIntelliDraw();
10758
10759   /* determine number of free positions for randomly placing the new element */
10760   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10761   {
10762     free_position[x][y] =
10763       (random_placement_background_restricted ?
10764        Feld[x][y] == random_placement_background_element :
10765        Feld[x][y] != new_element);
10766
10767     if (free_position[x][y])
10768       num_free_positions++;
10769   }
10770
10771   /* determine number of new elements to place there */
10772   num_percentage = num_free_positions * random_placement_value / 100;
10773   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10774                   num_percentage : random_placement_value);
10775
10776   /* if less free positions than elements to place, fill all these positions */
10777   if (num_free_positions < num_elements)
10778   {
10779     for (x = 0; x < lev_fieldx; x++)
10780       for (y = 0; y < lev_fieldy; y++)
10781         if (free_position[x][y])
10782           SetElement(x, y, new_element);
10783   }
10784   else
10785   {
10786     while (num_elements > 0)
10787     {
10788       x = GetSimpleRandom(lev_fieldx);
10789       y = GetSimpleRandom(lev_fieldy);
10790
10791       /* don't place element at the same position twice */
10792       if (free_position[x][y])
10793       {
10794         free_position[x][y] = FALSE;
10795         SetElement(x, y, new_element);
10796         num_elements--;
10797       }
10798     }
10799   }
10800
10801   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10802   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10803 }
10804
10805 void WrapLevel(int dx, int dy)
10806 {
10807   int wrap_dx = lev_fieldx - dx;
10808   int wrap_dy = lev_fieldy - dy;
10809   int x, y;
10810
10811   for (x = 0; x < lev_fieldx; x++)
10812     for (y = 0; y < lev_fieldy; y++)
10813       FieldBackup[x][y] = Feld[x][y];
10814
10815   for (x = 0; x < lev_fieldx; x++)
10816     for (y = 0; y < lev_fieldy; y++)
10817       Feld[x][y] =
10818         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10819
10820   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10821   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10822 }
10823
10824 static void HandleDrawingAreas(struct GadgetInfo *gi)
10825 {
10826   static boolean started_inside_drawing_area = FALSE;
10827   int id = gi->custom_id;
10828   boolean button_press_event;
10829   boolean button_release_event;
10830   boolean inside_drawing_area = !gi->event.off_borders;
10831   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10832   int actual_drawing_function;
10833   int button = gi->event.button;
10834   int new_element = BUTTON_ELEMENT(button);
10835   int sx = gi->event.x, sy = gi->event.y;
10836   int min_sx = 0, min_sy = 0;
10837   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10838   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10839   int lx = 0, ly = 0;
10840   int min_lx = 0, min_ly = 0;
10841   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10842   int x, y;
10843
10844   /* handle info callback for each invocation of action callback */
10845   gi->callback_info(gi);
10846
10847   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10848   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10849
10850   /* make sure to stay inside drawing area boundaries */
10851   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10852   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10853
10854   if (draw_level)
10855   {
10856     /* get positions inside level field */
10857     lx = sx + level_xpos;
10858     ly = sy + level_ypos;
10859
10860     if (!IN_LEV_FIELD(lx, ly))
10861       inside_drawing_area = FALSE;
10862
10863     /* make sure to stay inside level field boundaries */
10864     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10865     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10866
10867     /* correct drawing area positions accordingly */
10868     sx = lx - level_xpos;
10869     sy = ly - level_ypos;
10870   }
10871
10872   if (button_press_event)
10873     started_inside_drawing_area = inside_drawing_area;
10874
10875   if (!started_inside_drawing_area)
10876     return;
10877
10878   if (!IS_VALID_BUTTON(button))
10879     return;
10880
10881   if (!button && !button_release_event)
10882     return;
10883
10884   /* automatically switch to 'single item' drawing mode, if needed */
10885   actual_drawing_function =
10886     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10887      drawing_function : GADGET_ID_SINGLE_ITEMS);
10888
10889   /* clicking into drawing area with pressed Control key picks element */
10890   if (GetKeyModState() & KMOD_Control)
10891   {
10892     last_drawing_function = drawing_function;
10893     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10894   }
10895
10896   if (GetKeyModState() & KMOD_Shift)
10897   {
10898     if (button_press_event || button_release_event)
10899       ResetIntelliDraw();
10900   }
10901
10902   switch (actual_drawing_function)
10903   {
10904     case GADGET_ID_SINGLE_ITEMS:
10905       if (draw_level)
10906       {
10907         if (button_release_event)
10908         {
10909           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10910
10911           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10912               !inside_drawing_area)
10913             DeleteBrushFromCursor();
10914         }
10915
10916         if (!button || button_release_event)
10917           break;
10918
10919         if (draw_with_brush)
10920         {
10921           CopyBrushToLevel(sx, sy, button);
10922         }
10923         else
10924         {
10925           if (new_element == EL_PLAYER_1)
10926           {
10927             /* remove player at old position */
10928             for (y = 0; y < lev_fieldy; y++)
10929               for (x = 0; x < lev_fieldx; x++)
10930                 if (Feld[x][y] == EL_PLAYER_1)
10931                   SetElement(x, y, EL_EMPTY);
10932           }
10933
10934           SetElementButton(lx, ly, new_element, button);
10935         }
10936       }
10937       else
10938       {
10939         int type_id = gi->custom_type_id;
10940         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10941
10942         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10943           DrawMiniGraphicExt(drawto,
10944                              gi->x + sx * MINI_TILEX,
10945                              gi->y + sy * MINI_TILEY,
10946                              el2edimg(new_element));
10947         else
10948           DrawFixedGraphicExt(drawto,
10949                               gi->x + sx * TILEX,
10950                               gi->y + sy * TILEY,
10951                               el2img(new_element), 0);
10952
10953         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10954           new_element = GFX_ELEMENT(new_element);
10955
10956         drawingarea_info[type_id].value[pos] = new_element;
10957
10958         CopyElementPropertiesToGame(properties_element);
10959
10960         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10961         {
10962           UpdateCustomElementGraphicGadgets();
10963
10964           FrameCounter = 0;     /* restart animation frame counter */
10965         }
10966       }
10967       break;
10968
10969     case GADGET_ID_CONNECTED_ITEMS:
10970       {
10971         static int last_sx = -1;
10972         static int last_sy = -1;
10973
10974         if (button_release_event)
10975           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10976
10977         if (button)
10978         {
10979           if (!button_press_event)
10980             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10981
10982           last_sx = sx;
10983           last_sy = sy;
10984         }
10985       }
10986       break;
10987
10988     case GADGET_ID_LINE:
10989     case GADGET_ID_ARC:
10990     case GADGET_ID_RECTANGLE:
10991     case GADGET_ID_FILLED_BOX:
10992     case GADGET_ID_GRAB_BRUSH:
10993     case GADGET_ID_TEXT:
10994       {
10995         static int last_sx = -1;
10996         static int last_sy = -1;
10997         static int start_sx = -1;
10998         static int start_sy = -1;
10999         void (*draw_func)(int, int, int, int, int, boolean);
11000
11001         if (drawing_function == GADGET_ID_LINE)
11002           draw_func = DrawLine;
11003         else if (drawing_function == GADGET_ID_ARC)
11004           draw_func = DrawArc;
11005         else if (drawing_function == GADGET_ID_RECTANGLE)
11006           draw_func = DrawBox;
11007         else if (drawing_function == GADGET_ID_FILLED_BOX)
11008           draw_func = DrawFilledBox;
11009         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
11010           draw_func = SelectArea;
11011         else /* (drawing_function == GADGET_ID_TEXT) */
11012           draw_func = SetTextCursor;
11013
11014         if (button_press_event)
11015         {
11016           draw_func(sx, sy, sx, sy, new_element, FALSE);
11017           start_sx = last_sx = sx;
11018           start_sy = last_sy = sy;
11019
11020           if (drawing_function == GADGET_ID_TEXT)
11021             DrawLevelText(0, 0, 0, TEXT_END);
11022         }
11023         else if (button_release_event)
11024         {
11025           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
11026           if (drawing_function == GADGET_ID_GRAB_BRUSH)
11027           {
11028             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
11029             CopyBrushToCursor(sx, sy);
11030             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11031                           MB_LEFTBUTTON);
11032             draw_with_brush = TRUE;
11033           }
11034           else if (drawing_function == GADGET_ID_TEXT)
11035             DrawLevelText(sx, sy, 0, TEXT_INIT);
11036           else
11037             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11038         }
11039         else if (last_sx != sx || last_sy != sy)
11040         {
11041           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
11042           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
11043           last_sx = sx;
11044           last_sy = sy;
11045         }
11046       }
11047       break;
11048
11049     case GADGET_ID_FLOOD_FILL:
11050       if (button_press_event && Feld[lx][ly] != new_element)
11051       {
11052         FloodFill(lx, ly, new_element);
11053         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11054         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11055       }
11056       break;
11057
11058     case GADGET_ID_PICK_ELEMENT:
11059       if (button_release_event)
11060         ClickOnGadget(level_editor_gadget[last_drawing_function],
11061                       MB_LEFTBUTTON);
11062       else if (draw_level)
11063         PickDrawingElement(button, Feld[lx][ly]);
11064       else
11065       {
11066         int type_id = gi->custom_type_id;
11067         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11068
11069         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
11070       }
11071
11072       break;
11073
11074     default:
11075       break;
11076   }
11077 }
11078
11079 static void HandleCounterButtons(struct GadgetInfo *gi)
11080 {
11081   int gadget_id = gi->custom_id;
11082   int counter_id = gi->custom_type_id;
11083   int button = gi->event.button;
11084   int *counter_value = counterbutton_info[counter_id].value;
11085   int step = BUTTON_STEPSIZE(button) *
11086     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11087
11088   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11089   {
11090     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11091     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11092     boolean level_changed = LevelChanged();
11093
11094     if ((level_changed && pressed) || (!level_changed && released))
11095       return;
11096
11097     if (level_changed && !Request("Level has changed! Discard changes?",
11098                                   REQ_ASK))
11099     {
11100       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11101         ModifyEditorCounterValue(counter_id, *counter_value);
11102
11103       return;
11104     }
11105   }
11106
11107   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11108     *counter_value = gi->textinput.number_value;
11109   else
11110     ModifyEditorCounterValue(counter_id, *counter_value + step);
11111
11112   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11113   {
11114       LoadLevel(level_nr);
11115       LoadScore(level_nr);
11116
11117       TapeErase();
11118
11119       ResetUndoBuffer();
11120       DrawEditModeWindow();
11121
11122       return;
11123   }
11124
11125   switch (counter_id)
11126   {
11127     case ED_COUNTER_ID_YAMYAM_CONTENT:
11128       DrawYamYamContentAreas();
11129       break;
11130
11131     case ED_COUNTER_ID_BALL_CONTENT:
11132       DrawMagicBallContentAreas();
11133       break;
11134
11135     case ED_COUNTER_ID_ANDROID_CONTENT:
11136       DrawAndroidElementArea(properties_element);
11137       break;
11138
11139     case ED_COUNTER_ID_GROUP_CONTENT:
11140       DrawGroupElementArea(properties_element);
11141       CopyGroupElementPropertiesToGame(properties_element);
11142       break;
11143
11144     case ED_COUNTER_ID_INVENTORY_SIZE:
11145       DrawPlayerInitialInventoryArea(properties_element);
11146       break;
11147
11148     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11149     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11150       DrawEnvelopeTextArea(-1);
11151       break;
11152
11153     case ED_COUNTER_ID_LEVEL_XSIZE:
11154     case ED_COUNTER_ID_LEVEL_YSIZE:
11155       lev_fieldx = level.fieldx;
11156       lev_fieldy = level.fieldy;
11157
11158       /* check if resizing of level results in change of border border */
11159       SetBorderElement();
11160
11161       break;
11162
11163     default:
11164       break;
11165   }
11166
11167   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11168        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11169       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11170        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11171     CopyElementPropertiesToGame(properties_element);
11172
11173   level.changed = TRUE;
11174 }
11175
11176 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11177 {
11178   int type_id = gi->custom_type_id;
11179
11180   strcpy(textinput_info[type_id].value, gi->textinput.value);
11181
11182   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11183   {
11184     CopyElementPropertiesToGame(properties_element);
11185
11186     ModifyEditorElementList();  /* update changed button info text */
11187   }
11188
11189   level.changed = TRUE;
11190 }
11191
11192 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11193 {
11194   int type_id = gi->custom_type_id;
11195
11196   strncpy(textarea_info[type_id].value, gi->textarea.value,
11197           MAX_ENVELOPE_TEXT_LEN);
11198   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11199
11200   level.changed = TRUE;
11201 }
11202
11203 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11204 {
11205   int type_id = gi->custom_type_id;
11206   int value_old = *selectbox_info[type_id].value;
11207   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11208
11209   *selectbox_info[type_id].value = value_new;
11210
11211   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11212   {
11213     element_info[properties_element].current_change_page = gi->selectbox.index;
11214
11215     DrawPropertiesWindow();
11216   }
11217   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11218             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11219            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11220             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11221            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11222   {
11223     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11224     {
11225       /* when changing action type, also check action mode and action arg */
11226       if (value_old != value_new)
11227         setSelectboxSpecialActionVariablesIfNeeded();
11228
11229       DrawPropertiesChange();
11230     }
11231
11232     CopyElementPropertiesToGame(properties_element);
11233
11234     level.changed = TRUE;
11235   }
11236 }
11237
11238 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11239 {
11240   int type_id = gi->custom_type_id;
11241   int i;
11242
11243   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11244       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11245   {
11246     edit_mode_levelinfo = gi->custom_type_id;
11247
11248     DrawLevelInfoWindow();
11249   }
11250   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11251            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11252   {
11253     edit_mode_properties = gi->custom_type_id;
11254
11255     DrawPropertiesWindow();
11256   }
11257   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11258   {
11259     char *template_filename = getDefaultLevelFilename(-1);
11260     boolean new_template = !fileExists(template_filename);
11261
11262     /* backup original "level.field" (needed to track playfield changes) */
11263     CopyPlayfield(level.field, FieldBackup);
11264
11265     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11266     CopyPlayfield(Feld, level.field);
11267
11268     if (new_template ||
11269         Request("Save this template and kill the old?", REQ_ASK))
11270       SaveLevelTemplate();
11271
11272     if (new_template)
11273       Request("Template saved!", REQ_CONFIRM);
11274
11275     /* restore original "level.field" (needed to track playfield changes) */
11276     CopyPlayfield(FieldBackup, level.field);
11277   }
11278   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11279            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11280   {
11281     struct ElementInfo *ei = &element_info[properties_element];
11282
11283     setElementChangePages(ei, ei->num_change_pages + 1);
11284
11285     /* set new change page to be new current change page */
11286     ei->current_change_page = ei->num_change_pages - 1;
11287     ei->change = &ei->change_page[ei->current_change_page];
11288
11289     setElementChangeInfoToDefaults(ei->change);
11290
11291     DrawPropertiesWindow();
11292
11293     level.changed = TRUE;
11294   }
11295   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11296            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11297   {
11298     struct ElementInfo *ei = &element_info[properties_element];
11299
11300     /* copy all change pages after change page to be deleted */
11301     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11302       ei->change_page[i] = ei->change_page[i + 1];
11303
11304     setElementChangePages(ei, ei->num_change_pages - 1);
11305
11306     DrawPropertiesWindow();
11307
11308     level.changed = TRUE;
11309   }
11310 }
11311
11312 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11313 {
11314   int type_id = gi->custom_type_id;
11315
11316   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11317       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11318   {
11319     struct ElementInfo *ei = &element_info[properties_element];
11320     int step = BUTTON_STEPSIZE(gi->event.button);
11321
11322     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11323     ei->current_change_page += step;
11324
11325     if (ei->current_change_page < 0)
11326       ei->current_change_page = 0;
11327     else if (ei->current_change_page >= ei->num_change_pages)
11328       ei->current_change_page = ei->num_change_pages - 1;
11329
11330     DrawPropertiesWindow();
11331   }
11332   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11333            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11334   {
11335     struct ElementInfo *ei = &element_info[properties_element];
11336     int current_change_page = ei->current_change_page;
11337
11338     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11339       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11340         ei->change_page[current_change_page];
11341     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11342     {
11343       ei->change_page[current_change_page] =
11344         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11345
11346       level.changed = TRUE;
11347     }
11348
11349     DrawPropertiesWindow();
11350   }
11351 }
11352
11353 static void HandleRadiobuttons(struct GadgetInfo *gi)
11354 {
11355   *radiobutton_info[gi->custom_type_id].value =
11356     radiobutton_info[gi->custom_type_id].checked_value;
11357
11358   level.changed = TRUE;
11359 }
11360
11361 static void HandleCheckbuttons(struct GadgetInfo *gi)
11362 {
11363   int type_id = gi->custom_type_id;
11364
11365   *checkbutton_info[type_id].value ^= TRUE;
11366
11367   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11368       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11369       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11370       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11371          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11372         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11373          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11374        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11375   {
11376     CopyElementPropertiesToGame(properties_element);
11377   }
11378
11379   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11380   {
11381     UpdateCustomElementGraphicGadgets();
11382   }
11383   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11384   {
11385     char *template_filename = getDefaultLevelFilename(-1);
11386
11387     if (level.use_custom_template && !fileExists(template_filename))
11388     {
11389       Request("No level template found!", REQ_CONFIRM);
11390
11391       level.use_custom_template = FALSE;
11392       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11393
11394       return;
11395     }
11396
11397     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11398
11399     DrawEditModeWindow();
11400   }
11401
11402   level.changed = TRUE;
11403 }
11404
11405 static void HandleControlButtons(struct GadgetInfo *gi)
11406 {
11407   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11408   static int last_edit_mode = ED_MODE_DRAWING;
11409   static int last_custom_copy_mode = -1;
11410   int id = gi->custom_id;
11411   int button = gi->event.button;
11412   int step = BUTTON_STEPSIZE(button);
11413   int new_element = BUTTON_ELEMENT(button);
11414   int x, y;
11415
11416   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11417     DrawLevelText(0, 0, 0, TEXT_END);
11418
11419   if (id < ED_NUM_CTRL1_BUTTONS &&
11420       id != GADGET_ID_SINGLE_ITEMS &&
11421       id != GADGET_ID_PICK_ELEMENT &&
11422       edit_mode != ED_MODE_DRAWING &&
11423       drawing_function != GADGET_ID_PICK_ELEMENT &&
11424       !(GetKeyModState() & KMOD_Control))
11425   {
11426     DrawDrawingWindow();
11427     edit_mode = ED_MODE_DRAWING;
11428   }
11429
11430   /* element copy mode active, but no element button pressed => deactivate */
11431   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11432     last_custom_copy_mode = -1;
11433
11434   switch (id)
11435   {
11436     case GADGET_ID_SCROLL_LEFT:
11437       if (level_xpos >= 0)
11438       {
11439         if (lev_fieldx < ed_fieldx - 2)
11440           break;
11441
11442         level_xpos -= step;
11443         if (level_xpos < -1)
11444           level_xpos = -1;
11445         if (button == 1)
11446           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11447         else
11448           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11449
11450         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11451                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11452       }
11453       break;
11454
11455     case GADGET_ID_SCROLL_RIGHT:
11456       if (level_xpos <= lev_fieldx - ed_fieldx)
11457       {
11458         if (lev_fieldx < ed_fieldx - 2)
11459           break;
11460
11461         level_xpos += step;
11462         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11463           level_xpos = lev_fieldx - ed_fieldx + 1;
11464         if (button == 1)
11465           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11466         else
11467           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11468
11469         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11470                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11471       }
11472       break;
11473
11474     case GADGET_ID_SCROLL_UP:
11475       if (level_ypos >= 0)
11476       {
11477         if (lev_fieldy < ed_fieldy - 2)
11478           break;
11479
11480         level_ypos -= step;
11481         if (level_ypos < -1)
11482           level_ypos = -1;
11483         if (button == 1)
11484           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11485         else
11486           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11487
11488         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11489                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11490       }
11491       break;
11492
11493     case GADGET_ID_SCROLL_DOWN:
11494       if (level_ypos <= lev_fieldy - ed_fieldy)
11495       {
11496         if (lev_fieldy < ed_fieldy - 2)
11497           break;
11498
11499         level_ypos += step;
11500         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11501           level_ypos = lev_fieldy - ed_fieldy + 1;
11502         if (button == 1)
11503           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11504         else
11505           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11506
11507         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11508                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11509       }
11510       break;
11511
11512     case GADGET_ID_SCROLL_HORIZONTAL:
11513       level_xpos = gi->event.item_position - 1;
11514
11515       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11516       BackToFront();
11517
11518       break;
11519
11520     case GADGET_ID_SCROLL_VERTICAL:
11521       level_ypos = gi->event.item_position - 1;
11522
11523       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11524       BackToFront();
11525
11526       break;
11527
11528     case GADGET_ID_SCROLL_LIST_UP:
11529     case GADGET_ID_SCROLL_LIST_DOWN:
11530     case GADGET_ID_SCROLL_LIST_VERTICAL:
11531       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11532         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11533       else
11534       {
11535         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11536         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11537
11538         if (element_shift < 0)
11539           element_shift = 0;
11540         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11541           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11542
11543         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11544                      GDI_SCROLLBAR_ITEM_POSITION,
11545                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11546       }
11547
11548       ModifyEditorElementList();
11549
11550       break;
11551
11552     case GADGET_ID_PROPERTIES:
11553       if (edit_mode != ED_MODE_PROPERTIES)
11554       {
11555         properties_element = new_element;
11556         DrawPropertiesWindow();
11557         edit_mode = ED_MODE_PROPERTIES;
11558
11559         last_level_drawing_function = drawing_function;
11560         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11561                       MB_LEFTBUTTON);
11562       }
11563       else
11564       {
11565         DrawDrawingWindow();
11566         edit_mode = ED_MODE_DRAWING;
11567
11568         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11569                       MB_LEFTBUTTON);
11570       }
11571       break;
11572
11573     case GADGET_ID_WRAP_LEFT:
11574       WrapLevel(-step, 0);
11575       break;
11576
11577     case GADGET_ID_WRAP_RIGHT:
11578       WrapLevel(step, 0);
11579       break;
11580
11581     case GADGET_ID_WRAP_UP:
11582       WrapLevel(0, -step);
11583       break;
11584
11585     case GADGET_ID_WRAP_DOWN:
11586       WrapLevel(0, step);
11587       break;
11588
11589     case GADGET_ID_SINGLE_ITEMS:
11590     case GADGET_ID_CONNECTED_ITEMS:
11591     case GADGET_ID_LINE:
11592     case GADGET_ID_ARC:
11593     case GADGET_ID_TEXT:
11594     case GADGET_ID_RECTANGLE:
11595     case GADGET_ID_FILLED_BOX:
11596     case GADGET_ID_FLOOD_FILL:
11597     case GADGET_ID_GRAB_BRUSH:
11598     case GADGET_ID_PICK_ELEMENT:
11599       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11600         last_drawing_function = drawing_function;
11601       drawing_function = id;
11602       draw_with_brush = FALSE;
11603       break;
11604
11605     case GADGET_ID_RANDOM_PLACEMENT:
11606       RandomPlacement(new_element);
11607       break;
11608
11609     case GADGET_ID_ZOOM:
11610       // zoom level editor tile size in or out (or reset to default size)
11611       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11612                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11613                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11614
11615       // limit zoom level by upper and lower bound
11616       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11617
11618       InitZoomLevelSettings();
11619
11620       if (edit_mode == ED_MODE_DRAWING)
11621         DrawDrawingWindow();
11622
11623       break;
11624
11625     case GADGET_ID_CUSTOM_COPY_FROM:
11626     case GADGET_ID_CUSTOM_COPY_TO:
11627     case GADGET_ID_CUSTOM_EXCHANGE:
11628       last_custom_copy_mode = id;
11629       last_drawing_function = drawing_function;
11630       break;
11631
11632     case GADGET_ID_CUSTOM_COPY:
11633       CopyCustomElement(properties_element, -1, id);
11634       break;
11635
11636     case GADGET_ID_CUSTOM_PASTE:
11637       CopyCustomElement(-1, properties_element, id);
11638       break;
11639
11640     case GADGET_ID_UNDO:
11641       if (button == 1 && undo_buffer_steps == 0)
11642       {
11643         Request("Undo buffer empty!", REQ_CONFIRM);
11644
11645         break;
11646       }
11647       else if (button == 2)
11648       {
11649         break;
11650       }
11651       else if (button == 3 && redo_buffer_steps == 0)
11652       {
11653         Request("Redo buffer empty!", REQ_CONFIRM);
11654
11655         break;
11656       }
11657
11658       if (edit_mode != ED_MODE_DRAWING)
11659       {
11660         DrawDrawingWindow();
11661         edit_mode = ED_MODE_DRAWING;
11662       }
11663
11664       if (button == 1)
11665       {
11666         /* undo */
11667
11668         undo_buffer_position =
11669           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11670
11671         undo_buffer_steps--;
11672         redo_buffer_steps++;
11673       }
11674       else
11675       {
11676         /* redo */
11677
11678         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11679
11680         undo_buffer_steps++;
11681         redo_buffer_steps--;
11682       }
11683
11684       for (x = 0; x < lev_fieldx; x++)
11685         for (y = 0; y < lev_fieldy; y++)
11686           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11687
11688       /* check if undo operation forces change of border style */
11689       CheckLevelBorderElement(FALSE);
11690
11691       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11692
11693       break;
11694
11695     case GADGET_ID_INFO:
11696       if (edit_mode != ED_MODE_INFO)
11697       {
11698         last_edit_mode = edit_mode;
11699         edit_mode = ED_MODE_INFO;
11700
11701         DrawLevelInfoWindow();
11702       }
11703       else
11704       {
11705         edit_mode = last_edit_mode;
11706
11707         DrawEditModeWindow();
11708       }
11709       break;
11710
11711     case GADGET_ID_CLEAR:
11712       if (edit_mode != ED_MODE_DRAWING)
11713       {
11714         DrawDrawingWindow();
11715         edit_mode = ED_MODE_DRAWING;
11716       }
11717
11718       for (x = 0; x < MAX_LEV_FIELDX; x++)
11719         for (y = 0; y < MAX_LEV_FIELDY; y++)
11720           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11721
11722       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11723
11724       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11725       break;
11726
11727     case GADGET_ID_SAVE:
11728     {
11729       /* saving read-only levels into personal level set modifies global vars
11730          "leveldir_current" and "level_nr"; restore them after saving level */
11731       LevelDirTree *leveldir_former = leveldir_current;
11732       int level_nr_former = level_nr;
11733       char *level_filename;
11734       boolean new_level;
11735
11736       if (leveldir_current->readonly &&
11737           !PrepareSavingIntoPersonalLevelSet())
11738         break;
11739
11740       level_filename = getDefaultLevelFilename(level_nr);
11741       new_level = !fileExists(level_filename);
11742
11743       if (new_level ||
11744           Request("Save this level and kill the old?", REQ_ASK))
11745       {
11746         if (leveldir_former->readonly)
11747           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11748
11749         CopyPlayfield(Feld, level.field);
11750         SaveLevel(level_nr);
11751
11752         level.changed = FALSE;
11753
11754         if (new_level)
11755         {
11756           char level_saved_msg[64];
11757
11758           if (leveldir_former->readonly)
11759             sprintf(level_saved_msg,
11760                     "Level saved as level %d into personal level set!",
11761                     level_nr);
11762           else
11763             strcpy(level_saved_msg, "Level saved!");
11764
11765           Request(level_saved_msg, REQ_CONFIRM);
11766         }
11767       }
11768
11769       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11770       leveldir_current = leveldir_former;
11771       level_nr = level_nr_former;
11772
11773       break;
11774     }
11775
11776     case GADGET_ID_TEST:
11777       if (LevelChanged())
11778         level.game_version = GAME_VERSION_ACTUAL;
11779
11780       CopyPlayfield(level.field, FieldBackup);
11781       CopyPlayfield(Feld, level.field);
11782
11783       CopyNativeLevel_RND_to_Native(&level);
11784
11785       UnmapLevelEditorGadgets();
11786       UndrawSpecialEditorDoor();
11787
11788       CloseDoor(DOOR_CLOSE_ALL);
11789
11790       /* needed before playing if editor playfield area has different size */
11791       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11792
11793       // redraw_mask = REDRAW_ALL;
11794
11795       level_editor_test_game = TRUE;
11796
11797       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11798
11799       break;
11800
11801     case GADGET_ID_EXIT:
11802       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11803       break;
11804
11805     default:
11806       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11807           id <= GADGET_ID_ELEMENTLIST_LAST)
11808       {
11809         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11810         int new_element = editor_elements[element_position + element_shift];
11811
11812         if (IS_EDITOR_CASCADE(new_element))
11813         {
11814           int i;
11815
11816           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11817           {
11818             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11819             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11820
11821             if (*cascade_element == new_element)
11822             {
11823               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11824               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11825
11826               /* update element selection list */
11827               ReinitializeElementList();
11828               ModifyEditorElementList();
11829
11830               /* update cascading gadget info text */
11831               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11832
11833               /* save current editor cascading state */
11834               SaveSetup_EditorCascade();
11835
11836               break;
11837             }
11838           }
11839
11840           break;
11841         }
11842
11843         if (last_custom_copy_mode != -1)
11844         {
11845           if (CopyCustomElement(properties_element, new_element,
11846                                 last_custom_copy_mode))
11847           {
11848             ClickOnGadget(level_editor_gadget[last_drawing_function],
11849                           MB_LEFTBUTTON);
11850
11851             last_custom_copy_mode = -1;
11852           }
11853
11854           break;
11855         }
11856
11857         PickDrawingElement(button, new_element);
11858
11859         if (!stick_element_properties_window &&
11860             drawing_function != GADGET_ID_PICK_ELEMENT &&
11861             !(GetKeyModState() & KMOD_Control))
11862         {
11863           properties_element = new_element;
11864           if (edit_mode == ED_MODE_PROPERTIES)
11865             DrawPropertiesWindow();
11866         }
11867
11868         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11869           ClickOnGadget(level_editor_gadget[last_drawing_function],
11870                         MB_LEFTBUTTON);
11871       }
11872 #ifdef DEBUG
11873       else if (gi->event.type == GD_EVENT_PRESSED)
11874         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11875       else if (gi->event.type == GD_EVENT_RELEASED)
11876         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11877       else if (gi->event.type == GD_EVENT_MOVING)
11878         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11879       else
11880         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11881 #endif
11882       break;
11883   }
11884 }
11885
11886 void HandleLevelEditorKeyInput(Key key)
11887 {
11888   char letter = getCharFromKey(key);
11889   int button = MB_LEFTBUTTON;
11890
11891   if (drawing_function == GADGET_ID_TEXT &&
11892       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11893   {
11894     if (letter)
11895       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11896     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11897       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11898     else if (key == KSYM_Return)
11899       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11900     else if (key == KSYM_Escape)
11901       DrawLevelText(0, 0, 0, TEXT_END);
11902   }
11903   else if (button_status == MB_RELEASED)
11904   {
11905     int id = GADGET_ID_NONE;
11906     int new_element_shift = element_shift;
11907     int i;
11908
11909     switch (key)
11910     {
11911       case KSYM_Left:
11912         id = GADGET_ID_SCROLL_LEFT;
11913         break;
11914       case KSYM_Right:
11915         id = GADGET_ID_SCROLL_RIGHT;
11916         break;
11917       case KSYM_Up:
11918         id = GADGET_ID_SCROLL_UP;
11919         break;
11920       case KSYM_Down:
11921         id = GADGET_ID_SCROLL_DOWN;
11922         break;
11923       case KSYM_Page_Up:
11924         id = GADGET_ID_SCROLL_LIST_UP;
11925         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11926         break;
11927       case KSYM_Page_Down:
11928         id = GADGET_ID_SCROLL_LIST_DOWN;
11929         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11930         break;
11931
11932       case KSYM_Home:
11933       case KSYM_End:
11934         element_shift = (key == KSYM_Home ? 0 :
11935                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11936
11937         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11938                      GDI_SCROLLBAR_ITEM_POSITION,
11939                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11940
11941         ModifyEditorElementList();
11942
11943         break;
11944
11945       case KSYM_Insert:
11946       case KSYM_Delete:
11947
11948         /* this is needed to prevent interference with running "True X-Mouse" */
11949         if (GetKeyModStateFromEvents() & KMOD_Control)
11950           break;
11951
11952         /* check for last or next editor cascade block in element list */
11953         for (i = 0; i < num_editor_elements; i++)
11954         {
11955           if ((key == KSYM_Insert && i == element_shift) ||
11956               (key == KSYM_Delete && new_element_shift > element_shift))
11957             break;
11958
11959           /* jump to next cascade block (or to start of element list) */
11960           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11961             new_element_shift = i;
11962         }
11963
11964         if (i < num_editor_elements)
11965           element_shift = new_element_shift;
11966
11967         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11968           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11969
11970         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11971                      GDI_SCROLLBAR_ITEM_POSITION,
11972                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11973
11974         ModifyEditorElementList();
11975
11976         break;
11977
11978       case KSYM_Escape:
11979         if (edit_mode == ED_MODE_DRAWING)
11980         {
11981           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11982         }
11983         else if (edit_mode == ED_MODE_INFO)
11984         {
11985           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11986         }
11987         else if (edit_mode == ED_MODE_PROPERTIES)
11988         {
11989           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11990         }
11991         else            /* should never happen */
11992         {
11993           DrawDrawingWindow();
11994           edit_mode = ED_MODE_DRAWING;
11995         }
11996
11997         break;
11998
11999       default:
12000         break;
12001     }
12002
12003     if (id != GADGET_ID_NONE)
12004       ClickOnGadget(level_editor_gadget[id], button);
12005     else if (letter >= '1' && letter <= '3')
12006       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
12007     else if (letter == '?')
12008       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
12009     else if (letter == '.')
12010       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
12011     else if (letter == 'U')
12012       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
12013     else if (key == KSYM_KP_Subtract || letter == '-')
12014       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
12015     else if (key == KSYM_KP_0 || letter == '0')
12016       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
12017     else if (key == KSYM_KP_Add)
12018       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
12019     else if (key == KSYM_Return ||
12020              key == KSYM_space ||
12021              key == setup.shortcut.toggle_pause)
12022       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
12023     else
12024       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
12025         if (letter && letter == controlbutton_info[i].shortcut)
12026           if (!anyTextGadgetActive())
12027             ClickOnGadget(level_editor_gadget[i], button);
12028   }
12029 }
12030
12031 void HandleLevelEditorIdle()
12032 {
12033   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12034   int x = editor.settings.element_graphic.x + element_border;
12035   int y = editor.settings.element_graphic.y + element_border;
12036   static unsigned int action_delay = 0;
12037   unsigned int action_delay_value = GameFrameDelay;
12038   int i;
12039
12040   if (edit_mode != ED_MODE_PROPERTIES)
12041     return;
12042
12043   if (!DelayReached(&action_delay, action_delay_value))
12044     return;
12045
12046   for (i = 0; i < ED_NUM_SELECTBOX; i++)
12047   {
12048     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
12049
12050     if (gi->mapped && gi->active && gi->selectbox.open)
12051       return;
12052   }
12053
12054   DrawEditorElementAnimation(SX + x, SY + y);
12055
12056   redraw_mask |= REDRAW_FIELD;
12057
12058   FrameCounter++;       /* increase animation frame counter */
12059 }
12060
12061 void ClearEditorGadgetInfoText()
12062 {
12063   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
12064 }
12065
12066 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
12067 {
12068   char infotext[MAX_OUTPUT_LINESIZE + 1];
12069   char shortcut[MAX_OUTPUT_LINESIZE + 1];
12070   int max_infotext_len = getMaxInfoTextLength();
12071
12072   if (gi == NULL || gi->info_text == NULL)
12073     return;
12074
12075   strncpy(infotext, gi->info_text, max_infotext_len);
12076   infotext[max_infotext_len] = '\0';
12077
12078   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
12079   {
12080     int key = controlbutton_info[gi->custom_id].shortcut;
12081
12082     if (key)
12083     {
12084       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
12085         sprintf(shortcut, " ('.' or '%c')", key);
12086       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12087         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12088       else if (gi->custom_id == GADGET_ID_TEST)
12089         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12090       else if (gi->custom_id == GADGET_ID_UNDO)
12091         sprintf(shortcut, " ('%c/Shift-U')", key);
12092       else if (gi->custom_id == GADGET_ID_ZOOM)
12093         sprintf(shortcut, " ('%c', '0', '+')", key);
12094       else
12095         sprintf(shortcut, " ('%s%c')",
12096                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12097
12098       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12099         strcat(infotext, shortcut);
12100     }
12101   }
12102
12103   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12104 }
12105
12106 void HandleEditorGadgetInfoText(void *ptr)
12107 {
12108   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12109
12110   if (game_status != GAME_MODE_EDITOR)
12111     return;
12112
12113   ClearEditorGadgetInfoText();
12114
12115   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12116     return;
12117
12118   /* misuse this function to delete brush cursor, if needed */
12119   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12120     DeleteBrushFromCursor();
12121
12122   PrintEditorGadgetInfoText(gi);
12123 }
12124
12125 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12126 {
12127   static int start_lx, start_ly;
12128   int id = gi->custom_id;
12129   int type_id = gi->custom_type_id;
12130   int sx = gi->event.x;
12131   int sy = gi->event.y;
12132   int lx = sx + level_xpos;
12133   int ly = sy + level_ypos;
12134   int min_sx = 0, min_sy = 0;
12135   int max_sx = gi->drawing.area_xsize - 1;
12136   int max_sy = gi->drawing.area_ysize - 1;
12137   int actual_drawing_function = drawing_function;
12138   int max_infotext_len = getMaxInfoTextLength();
12139   char infotext[MAX_OUTPUT_LINESIZE + 1];
12140   char *text;
12141
12142   infotext[0] = '\0';           /* start with empty info text */
12143
12144   /* pressed Control key: simulate picking element */
12145   if (GetKeyModState() & KMOD_Control)
12146     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12147
12148   ClearEditorGadgetInfoText();
12149
12150   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12151     return;
12152
12153   /* make sure to stay inside drawing area boundaries */
12154   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12155   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12156
12157   if (id == GADGET_ID_DRAWING_LEVEL)
12158   {
12159     if (button_status)
12160     {
12161       int min_lx = 0, min_ly = 0;
12162       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12163
12164       /* get positions inside level field */
12165       lx = sx + level_xpos;
12166       ly = sy + level_ypos;
12167
12168       /* make sure to stay inside level field boundaries */
12169       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12170       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12171
12172       /* correct drawing area positions accordingly */
12173       sx = lx - level_xpos;
12174       sy = ly - level_ypos;
12175     }
12176
12177     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12178     {
12179       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12180       {
12181         if (gi->event.type == GD_EVENT_PRESSED)
12182         {
12183           start_lx = lx;
12184           start_ly = ly;
12185         }
12186
12187         switch (actual_drawing_function)
12188         {
12189           case GADGET_ID_SINGLE_ITEMS:
12190             text = "Drawing single items";
12191             break;
12192           case GADGET_ID_CONNECTED_ITEMS:
12193             text = "Drawing connected items";
12194             break;
12195           case GADGET_ID_LINE:
12196             text = "Drawing line";
12197             break;
12198           case GADGET_ID_ARC:
12199             text = "Drawing arc";
12200             break;
12201           case GADGET_ID_TEXT:
12202             text = "Setting text cursor";
12203             break;
12204           case GADGET_ID_RECTANGLE:
12205             text = "Drawing rectangle";
12206             break;
12207           case GADGET_ID_FILLED_BOX:
12208             text = "Drawing filled box";
12209             break;
12210           case GADGET_ID_FLOOD_FILL:
12211             text = "Flood fill";
12212             break;
12213           case GADGET_ID_GRAB_BRUSH:
12214             text = "Grabbing brush";
12215             break;
12216           case GADGET_ID_PICK_ELEMENT:
12217             text = "Picking element";
12218             break;
12219
12220           default:
12221             text = "Drawing position";
12222             break;
12223         }
12224
12225         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12226           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12227         else
12228           sprintf(infotext, "%s: %d, %d", text,
12229                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12230       }
12231       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12232         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12233       else
12234         sprintf(infotext, "Level position: %d, %d", lx, ly);
12235     }
12236
12237     /* misuse this function to draw brush cursor, if needed */
12238     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12239     {
12240       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12241         CopyBrushToCursor(sx, sy);
12242       else
12243         DeleteBrushFromCursor();
12244     }
12245   }
12246   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12247   {
12248     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12249     int element = drawingarea_info[type_id].value[pos];
12250
12251     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12252   }
12253   else
12254   {
12255     if (id == GADGET_ID_CUSTOM_CONTENT)
12256       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12257     else if (id == GADGET_ID_GROUP_CONTENT)
12258       sprintf(infotext, "group element position: %d", sx + 1);
12259     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12260              id <= GADGET_ID_YAMYAM_CONTENT_7)
12261       sprintf(infotext, "content area %d position: %d, %d",
12262               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12263     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12264              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12265       sprintf(infotext, "content area %d position: %d, %d",
12266               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12267     else if (id == GADGET_ID_ANDROID_CONTENT)
12268       sprintf(infotext, "android element position: %d", sx + 1);
12269     else if (drawingarea_info[type_id].infotext != NULL)
12270       strcpy(infotext, drawingarea_info[type_id].infotext);
12271   }
12272
12273   infotext[max_infotext_len] = '\0';
12274
12275   if (strlen(infotext) > 0)
12276     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12277 }
12278
12279 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12280                             boolean quick_quit)
12281 {
12282   if (!ask_if_level_has_changed ||
12283       !LevelChanged() ||
12284       Request("Level has changed! Exit without saving?",
12285               REQ_ASK | REQ_STAY_OPEN))
12286   {
12287     SetDoorState(DOOR_CLOSE_2);
12288
12289     if (quick_quit)
12290       FadeSkipNextFadeIn();
12291
12292     game_status = GAME_MODE_MAIN;
12293
12294     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
12295   }
12296   else
12297   {
12298     if (!global.use_envelope_request)
12299     {
12300       CloseDoor(DOOR_CLOSE_1);
12301       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12302     }
12303   }
12304 }