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 #define BUTTON_STEPSIZE(button) ((button) == 1 ?  1 : \
3428                                  (button) == 2 ?  5 : \
3429                                  (button) == 3 ? 10 : \
3430                                  (button))
3431
3432 /* forward declaration for internal use */
3433 static void ModifyEditorCounterValue(int, int);
3434 static void ModifyEditorCounterLimits(int, int, int);
3435 static void ModifyEditorSelectboxValue(int, int);
3436 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3437 static void ModifyEditorDrawingArea(int, int, int);
3438 static void ModifyEditorElementList();
3439 static void AdjustElementListScrollbar();
3440 static void RedrawDrawingElements();
3441 static void DrawDrawingWindow();
3442 static void DrawLevelInfoWindow();
3443 static void DrawPropertiesWindow();
3444 static void UpdateCustomElementGraphicGadgets();
3445 static boolean checkPropertiesConfig(int);
3446 static void CopyLevelToUndoBuffer(int);
3447 static void HandleDrawingAreas(struct GadgetInfo *);
3448 static void HandleCounterButtons(struct GadgetInfo *);
3449 static void HandleTextInputGadgets(struct GadgetInfo *);
3450 static void HandleTextAreaGadgets(struct GadgetInfo *);
3451 static void HandleSelectboxGadgets(struct GadgetInfo *);
3452 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3453 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3454 static void HandleRadiobuttons(struct GadgetInfo *);
3455 static void HandleCheckbuttons(struct GadgetInfo *);
3456 static void HandleControlButtons(struct GadgetInfo *);
3457 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3458 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3459
3460 static int num_editor_gadgets = 0;      /* dynamically determined */
3461
3462 static struct GadgetInfo **level_editor_gadget = NULL;
3463 static int *right_gadget_border = NULL;
3464
3465 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3466 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3467 static boolean draw_with_brush = FALSE;
3468 static int properties_element = 0;
3469
3470 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3471 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3472 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3473 static int undo_buffer_position = 0;
3474 static int undo_buffer_steps = 0;
3475 static int redo_buffer_steps = 0;
3476
3477 static int edit_mode;
3478 static int edit_mode_levelinfo;
3479 static int edit_mode_properties;
3480
3481 static int element_shift = 0;
3482
3483 static int editor_el_players[] =
3484 {
3485   EL_PLAYER_1,
3486   EL_PLAYER_2,
3487   EL_PLAYER_3,
3488   EL_PLAYER_4
3489 };
3490 static int *editor_el_players_ptr = editor_el_players;
3491 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3492
3493 static int editor_hl_boulderdash[] =
3494 {
3495   EL_INTERNAL_CASCADE_BD_ACTIVE,
3496   EL_CHAR('B'),
3497   EL_CHAR('D'),
3498   EL_EMPTY,
3499 };
3500
3501 static int editor_el_boulderdash[] =
3502 {
3503   EL_EMPTY,
3504   EL_SAND,
3505   EL_BD_ROCK,
3506   EL_BD_DIAMOND,
3507
3508   EL_STEELWALL,
3509   EL_BD_WALL,
3510   EL_BD_EXPANDABLE_WALL,
3511   EL_BD_MAGIC_WALL,
3512
3513   EL_BD_AMOEBA,
3514   EL_BD_BUTTERFLY_UP,
3515   EL_BD_FIREFLY_UP,
3516   EL_EXIT_CLOSED,
3517
3518   EL_BD_BUTTERFLY_LEFT,
3519   EL_BD_FIREFLY_LEFT,
3520   EL_BD_BUTTERFLY_RIGHT,
3521   EL_BD_FIREFLY_RIGHT,
3522
3523   EL_EMPTY,
3524   EL_BD_BUTTERFLY_DOWN,
3525   EL_BD_FIREFLY_DOWN,
3526   EL_EXIT_OPEN,
3527 };
3528 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3529 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3530 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3531 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3532
3533 static int editor_hl_emerald_mine[] =
3534 {
3535   EL_INTERNAL_CASCADE_EM_ACTIVE,
3536   EL_CHAR('E'),
3537   EL_CHAR('M'),
3538   EL_EMPTY,
3539 };
3540
3541 static int editor_el_emerald_mine[] =
3542 {
3543   EL_SAND,
3544   EL_ROCK,
3545   EL_QUICKSAND_EMPTY,
3546   EL_QUICKSAND_FULL,
3547
3548   EL_STEELWALL,
3549   EL_WALL,
3550   EL_WALL_SLIPPERY,
3551   EL_MAGIC_WALL,
3552
3553   EL_EMERALD,
3554   EL_DIAMOND,
3555   EL_NUT,
3556   EL_BOMB,
3557
3558   EL_WALL_EMERALD,
3559   EL_WALL_DIAMOND,
3560   EL_DYNAMITE,
3561   EL_DYNAMITE_ACTIVE,
3562
3563   EL_YAMYAM,
3564   EL_BUG_UP,
3565   EL_SPACESHIP_UP,
3566   EL_ROBOT,
3567
3568   EL_BUG_LEFT,
3569   EL_SPACESHIP_LEFT,
3570   EL_BUG_RIGHT,
3571   EL_SPACESHIP_RIGHT,
3572
3573   EL_ROBOT_WHEEL,
3574   EL_BUG_DOWN,
3575   EL_SPACESHIP_DOWN,
3576   EL_INVISIBLE_WALL,
3577
3578   EL_ACID_POOL_TOPLEFT,
3579   EL_ACID,
3580   EL_ACID_POOL_TOPRIGHT,
3581   EL_AMOEBA_DROP,
3582
3583   EL_ACID_POOL_BOTTOMLEFT,
3584   EL_ACID_POOL_BOTTOM,
3585   EL_ACID_POOL_BOTTOMRIGHT,
3586   EL_AMOEBA_WET,
3587
3588   EL_EM_KEY_1,
3589   EL_EM_KEY_2,
3590   EL_EM_KEY_3,
3591   EL_EM_KEY_4,
3592
3593   EL_EM_GATE_1,
3594   EL_EM_GATE_2,
3595   EL_EM_GATE_3,
3596   EL_EM_GATE_4,
3597
3598   EL_EM_GATE_1_GRAY,
3599   EL_EM_GATE_2_GRAY,
3600   EL_EM_GATE_3_GRAY,
3601   EL_EM_GATE_4_GRAY,
3602
3603   EL_EM_EXIT_CLOSED,
3604   EL_EM_EXIT_OPEN,
3605   EL_EM_STEEL_EXIT_CLOSED,
3606   EL_EM_STEEL_EXIT_OPEN,
3607 };
3608 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3609 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3610 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3611 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3612
3613 static int editor_hl_emerald_mine_club[] =
3614 {
3615   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3616   EL_CHAR('E'),
3617   EL_CHAR('M'),
3618   EL_CHAR('C'),
3619 };
3620
3621 static int editor_el_emerald_mine_club[] =
3622 {
3623   EL_EMC_KEY_5,
3624   EL_EMC_KEY_6,
3625   EL_EMC_KEY_7,
3626   EL_EMC_KEY_8,
3627
3628   EL_EMC_GATE_5,
3629   EL_EMC_GATE_6,
3630   EL_EMC_GATE_7,
3631   EL_EMC_GATE_8,
3632
3633   EL_EMC_GATE_5_GRAY,
3634   EL_EMC_GATE_6_GRAY,
3635   EL_EMC_GATE_7_GRAY,
3636   EL_EMC_GATE_8_GRAY,
3637
3638   EL_EMC_STEELWALL_1,
3639   EL_EMC_STEELWALL_2,
3640   EL_EMC_STEELWALL_3,
3641   EL_EMC_STEELWALL_4,
3642
3643   EL_EMC_WALL_13,
3644   EL_EMC_WALL_14,
3645   EL_EMC_WALL_15,
3646   EL_EMC_WALL_16,
3647
3648   EL_EMC_WALL_SLIPPERY_1,
3649   EL_EMC_WALL_SLIPPERY_2,
3650   EL_EMC_WALL_SLIPPERY_3,
3651   EL_EMC_WALL_SLIPPERY_4,
3652
3653   EL_EMC_WALL_1,
3654   EL_EMC_WALL_2,
3655   EL_EMC_WALL_3,
3656   EL_EMC_WALL_4,
3657
3658   EL_EMC_WALL_5,
3659   EL_EMC_WALL_6,
3660   EL_EMC_WALL_7,
3661   EL_EMC_WALL_8,
3662
3663   EL_EMC_WALL_9,
3664   EL_EMC_WALL_10,
3665   EL_EMC_WALL_11,
3666   EL_EMC_WALL_12,
3667
3668   EL_EMC_GRASS,
3669   EL_EMC_FAKE_GRASS,
3670   EL_EMC_PLANT,
3671   EL_EMC_DRIPPER,
3672
3673   EL_EMC_MAGIC_BALL,
3674   EL_EMC_MAGIC_BALL_SWITCH,
3675   EL_SPRING,
3676   EL_EMC_SPRING_BUMPER,
3677
3678   EL_EMC_LENSES,
3679   EL_EMC_MAGNIFIER,
3680   EL_EM_DYNAMITE,
3681   EL_EM_DYNAMITE_ACTIVE,
3682
3683   EL_BALLOON,
3684   EL_YAMYAM_UP,
3685   EL_BALLOON_SWITCH_UP,
3686   EL_BALLOON_SWITCH_ANY,
3687
3688   EL_YAMYAM_LEFT,
3689   EL_BALLOON_SWITCH_LEFT,
3690   EL_YAMYAM_RIGHT,
3691   EL_BALLOON_SWITCH_RIGHT,
3692
3693   EL_EMC_ANDROID,
3694   EL_YAMYAM_DOWN,
3695   EL_BALLOON_SWITCH_DOWN,
3696   EL_BALLOON_SWITCH_NONE,
3697 };
3698 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3699 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3700 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3701 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3702
3703 static int editor_hl_rnd[] =
3704 {
3705   EL_INTERNAL_CASCADE_RND_ACTIVE,
3706   EL_CHAR('R'),
3707   EL_CHAR('N'),
3708   EL_CHAR('D'),
3709 };
3710
3711 static int editor_el_rnd[] =
3712 {
3713   EL_KEY_1,
3714   EL_KEY_2,
3715   EL_KEY_3,
3716   EL_KEY_4,
3717
3718   EL_GATE_1,
3719   EL_GATE_2,
3720   EL_GATE_3,
3721   EL_GATE_4,
3722
3723   EL_GATE_1_GRAY,
3724   EL_GATE_2_GRAY,
3725   EL_GATE_3_GRAY,
3726   EL_GATE_4_GRAY,
3727
3728   EL_ARROW_LEFT,
3729   EL_ARROW_RIGHT,
3730   EL_ARROW_UP,
3731   EL_ARROW_DOWN,
3732
3733   EL_AMOEBA_DEAD,
3734   EL_AMOEBA_DRY,
3735   EL_AMOEBA_FULL,
3736   EL_GAME_OF_LIFE,
3737
3738   EL_EMERALD_YELLOW,
3739   EL_EMERALD_RED,
3740   EL_EMERALD_PURPLE,
3741   EL_BIOMAZE,
3742
3743   EL_WALL_EMERALD_YELLOW,
3744   EL_WALL_EMERALD_RED,
3745   EL_WALL_EMERALD_PURPLE,
3746   EL_WALL_BD_DIAMOND,
3747
3748   EL_SPEED_PILL,
3749   EL_PACMAN_UP,
3750   EL_TIME_ORB_FULL,
3751   EL_TIME_ORB_EMPTY,
3752
3753   EL_PACMAN_LEFT,
3754   EL_DARK_YAMYAM,
3755   EL_PACMAN_RIGHT,
3756   EL_EMPTY,
3757
3758   EL_BLACK_ORB,
3759   EL_PACMAN_DOWN,
3760   EL_LAMP,
3761   EL_LAMP_ACTIVE,
3762
3763   EL_DYNABOMB_INCREASE_NUMBER,
3764   EL_DYNABOMB_INCREASE_SIZE,
3765   EL_DYNABOMB_INCREASE_POWER,
3766   EL_STONEBLOCK,
3767
3768   EL_MOLE,
3769   EL_PENGUIN,
3770   EL_PIG,
3771   EL_DRAGON,
3772
3773   EL_BUG,
3774   EL_MOLE_UP,
3775   EL_BD_BUTTERFLY,
3776   EL_BD_FIREFLY,
3777
3778   EL_MOLE_LEFT,
3779   EL_SATELLITE,
3780   EL_MOLE_RIGHT,
3781   EL_PACMAN,
3782
3783   EL_SPACESHIP,
3784   EL_MOLE_DOWN,
3785   EL_INVISIBLE_STEELWALL,
3786   EL_INVISIBLE_WALL,
3787
3788   EL_EXPANDABLE_WALL,
3789   EL_EXPANDABLE_WALL_HORIZONTAL,
3790   EL_EXPANDABLE_WALL_VERTICAL,
3791   EL_EXPANDABLE_WALL_ANY,
3792 };
3793 static int *editor_hl_rnd_ptr = editor_hl_rnd;
3794 static int *editor_el_rnd_ptr = editor_el_rnd;
3795 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
3796 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
3797
3798 static int editor_hl_sokoban[] =
3799 {
3800   EL_INTERNAL_CASCADE_SB_ACTIVE,
3801   EL_CHAR('S'),
3802   EL_CHAR('B'),
3803   EL_EMPTY,
3804 };
3805
3806 static int editor_el_sokoban[] =
3807 {
3808   EL_SOKOBAN_OBJECT,
3809   EL_SOKOBAN_FIELD_EMPTY,
3810   EL_SOKOBAN_FIELD_FULL,
3811   EL_SOKOBAN_FIELD_PLAYER,
3812 };
3813 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
3814 static int *editor_el_sokoban_ptr = editor_el_sokoban;
3815 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
3816 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
3817
3818 static int editor_hl_supaplex[] =
3819 {
3820   EL_INTERNAL_CASCADE_SP_ACTIVE,
3821   EL_CHAR('S'),
3822   EL_CHAR('P'),
3823   EL_EMPTY,
3824 };
3825
3826 static int editor_el_supaplex[] =
3827 {
3828   EL_SP_MURPHY,
3829   EL_EMPTY,
3830   EL_SP_BASE,
3831   EL_SP_BUGGY_BASE,
3832
3833   EL_SP_INFOTRON,
3834   EL_SP_ZONK,
3835   EL_SP_SNIKSNAK,
3836   EL_SP_ELECTRON,
3837
3838   EL_SP_DISK_RED,
3839   EL_SP_DISK_ORANGE,
3840   EL_SP_DISK_YELLOW,
3841   EL_SP_TERMINAL,
3842
3843   EL_SP_EXIT_CLOSED,
3844   EL_SP_PORT_HORIZONTAL,
3845   EL_SP_PORT_VERTICAL,
3846   EL_SP_PORT_ANY,
3847
3848   EL_SP_PORT_LEFT,
3849   EL_SP_PORT_RIGHT,
3850   EL_SP_PORT_UP,
3851   EL_SP_PORT_DOWN,
3852
3853   EL_SP_GRAVITY_PORT_LEFT,
3854   EL_SP_GRAVITY_PORT_RIGHT,
3855   EL_SP_GRAVITY_PORT_UP,
3856   EL_SP_GRAVITY_PORT_DOWN,
3857
3858   EL_SP_GRAVITY_ON_PORT_LEFT,
3859   EL_SP_GRAVITY_ON_PORT_RIGHT,
3860   EL_SP_GRAVITY_ON_PORT_UP,
3861   EL_SP_GRAVITY_ON_PORT_DOWN,
3862
3863   EL_SP_GRAVITY_OFF_PORT_LEFT,
3864   EL_SP_GRAVITY_OFF_PORT_RIGHT,
3865   EL_SP_GRAVITY_OFF_PORT_UP,
3866   EL_SP_GRAVITY_OFF_PORT_DOWN,
3867
3868   EL_SP_HARDWARE_GRAY,
3869   EL_SP_HARDWARE_GREEN,
3870   EL_SP_HARDWARE_BLUE,
3871   EL_SP_HARDWARE_RED,
3872
3873   EL_SP_HARDWARE_BASE_1,
3874   EL_SP_HARDWARE_BASE_2,
3875   EL_SP_HARDWARE_BASE_3,
3876   EL_SP_HARDWARE_BASE_4,
3877
3878   EL_SP_HARDWARE_BASE_5,
3879   EL_SP_HARDWARE_BASE_6,
3880   EL_SP_HARDWARE_YELLOW,
3881   EL_SP_CHIP_TOP,
3882
3883   EL_SP_CHIP_SINGLE,
3884   EL_SP_CHIP_LEFT,
3885   EL_SP_CHIP_RIGHT,
3886   EL_SP_CHIP_BOTTOM,
3887 };
3888 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
3889 static int *editor_el_supaplex_ptr = editor_el_supaplex;
3890 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
3891 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
3892
3893 static int editor_hl_diamond_caves[] =
3894 {
3895   EL_INTERNAL_CASCADE_DC_ACTIVE,
3896   EL_CHAR('D'),
3897   EL_CHAR('C'),
3898   EL_CHAR('2'),
3899 };
3900
3901 static int editor_el_diamond_caves[] =
3902 {
3903   EL_PEARL,
3904   EL_CRYSTAL,
3905   EL_WALL_PEARL,
3906   EL_WALL_CRYSTAL,
3907
3908   EL_CONVEYOR_BELT_1_LEFT,
3909   EL_CONVEYOR_BELT_1_MIDDLE,
3910   EL_CONVEYOR_BELT_1_RIGHT,
3911   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
3912
3913   EL_CONVEYOR_BELT_2_LEFT,
3914   EL_CONVEYOR_BELT_2_MIDDLE,
3915   EL_CONVEYOR_BELT_2_RIGHT,
3916   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
3917
3918   EL_CONVEYOR_BELT_3_LEFT,
3919   EL_CONVEYOR_BELT_3_MIDDLE,
3920   EL_CONVEYOR_BELT_3_RIGHT,
3921   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
3922
3923   EL_CONVEYOR_BELT_4_LEFT,
3924   EL_CONVEYOR_BELT_4_MIDDLE,
3925   EL_CONVEYOR_BELT_4_RIGHT,
3926   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
3927
3928   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
3929   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
3930   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
3931   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
3932
3933   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
3934   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
3935   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
3936   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
3937
3938   EL_TIMEGATE_CLOSED,
3939   EL_TIMEGATE_OPEN,
3940   EL_TIMEGATE_SWITCH,
3941   EL_DC_TIMEGATE_SWITCH,
3942
3943   EL_SWITCHGATE_CLOSED,
3944   EL_SWITCHGATE_OPEN,
3945   EL_SWITCHGATE_SWITCH_UP,
3946   EL_SWITCHGATE_SWITCH_DOWN,
3947
3948   EL_LIGHT_SWITCH,
3949   EL_LIGHT_SWITCH_ACTIVE,
3950   EL_DC_SWITCHGATE_SWITCH_UP,
3951   EL_DC_SWITCHGATE_SWITCH_DOWN,
3952
3953   EL_STEEL_EXIT_CLOSED,
3954   EL_STEEL_EXIT_OPEN,
3955   EL_STEELWALL_SLIPPERY,
3956   EL_INVISIBLE_SAND,
3957
3958   EL_QUICKSAND_FAST_EMPTY,
3959   EL_QUICKSAND_FAST_FULL,
3960   EL_LANDMINE,
3961   EL_DC_LANDMINE,
3962
3963   EL_SHIELD_NORMAL,
3964   EL_SHIELD_DEADLY,
3965   EL_EXTRA_TIME,
3966   EL_DC_MAGIC_WALL,
3967
3968   EL_ENVELOPE_1,
3969   EL_ENVELOPE_2,
3970   EL_ENVELOPE_3,
3971   EL_ENVELOPE_4,
3972
3973   EL_SIGN_RADIOACTIVITY,
3974   EL_SIGN_WHEELCHAIR,
3975   EL_SIGN_PARKING,
3976   EL_SIGN_NO_ENTRY,
3977
3978   EL_SIGN_GIVE_WAY,
3979   EL_SIGN_ENTRY_FORBIDDEN,
3980   EL_SIGN_EMERGENCY_EXIT,
3981   EL_SIGN_YIN_YANG,
3982
3983 #if 0
3984   EL_SIGN_SPERMS,
3985   EL_SIGN_BULLET,
3986   EL_SIGN_HEART,
3987   EL_SIGN_CROSS,
3988
3989   EL_SIGN_FRANKIE,
3990   EL_EMPTY,
3991   EL_EMPTY,
3992   EL_EMPTY,
3993
3994   EL_SPERMS,
3995   EL_BULLET,
3996   EL_HEART,
3997   EL_CROSS,
3998
3999   EL_FRANKIE,
4000   EL_EMPTY,
4001   EL_EMPTY,
4002   EL_EMPTY,
4003 #endif
4004
4005   EL_DC_STEELWALL_2_SINGLE,
4006   EL_DC_STEELWALL_2_TOP,
4007   EL_SIGN_EXCLAMATION,
4008   EL_SIGN_STOP,
4009
4010   EL_DC_STEELWALL_2_LEFT,
4011   EL_DC_STEELWALL_2_MIDDLE,
4012   EL_DC_STEELWALL_2_HORIZONTAL,
4013   EL_DC_STEELWALL_2_RIGHT,
4014
4015   EL_DC_STEELWALL_1_TOPLEFT,
4016   EL_DC_STEELWALL_2_VERTICAL,
4017   EL_DC_STEELWALL_1_TOPRIGHT,
4018   EL_DC_GATE_WHITE,
4019
4020   EL_DC_STEELWALL_1_VERTICAL,
4021   EL_DC_STEELWALL_2_BOTTOM,
4022   EL_DC_KEY_WHITE,
4023   EL_DC_GATE_WHITE_GRAY,
4024
4025   EL_DC_STEELWALL_1_BOTTOMLEFT,
4026   EL_DC_STEELWALL_1_HORIZONTAL,
4027   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4028   EL_DC_GATE_FAKE_GRAY,
4029
4030   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4031   EL_DC_STEELWALL_1_BOTTOM,
4032   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4033   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4034
4035   EL_DC_STEELWALL_1_RIGHT,
4036   EL_EMPTY,
4037   EL_DC_STEELWALL_1_LEFT,
4038   EL_EXPANDABLE_STEELWALL_VERTICAL,
4039
4040   EL_DC_STEELWALL_1_TOPRIGHT_2,
4041   EL_DC_STEELWALL_1_TOP,
4042   EL_DC_STEELWALL_1_TOPLEFT_2,
4043   EL_EXPANDABLE_STEELWALL_ANY,
4044 };
4045 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4046 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4047 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4048 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4049
4050 static int editor_hl_dx_boulderdash[] =
4051 {
4052   EL_INTERNAL_CASCADE_DX_ACTIVE,
4053   EL_CHAR('D'),
4054   EL_CHAR('X'),
4055   EL_EMPTY,
4056 };
4057
4058 static int editor_el_dx_boulderdash[] =
4059 {
4060   EL_EMPTY,
4061   EL_TUBE_RIGHT_DOWN,
4062   EL_TUBE_HORIZONTAL_DOWN,
4063   EL_TUBE_LEFT_DOWN,
4064
4065   EL_TUBE_HORIZONTAL,
4066   EL_TUBE_VERTICAL_RIGHT,
4067   EL_TUBE_ANY,
4068   EL_TUBE_VERTICAL_LEFT,
4069
4070   EL_TUBE_VERTICAL,
4071   EL_TUBE_RIGHT_UP,
4072   EL_TUBE_HORIZONTAL_UP,
4073   EL_TUBE_LEFT_UP,
4074
4075   EL_TRAP,
4076   EL_DX_SUPABOMB,
4077   EL_EMPTY,
4078   EL_EMPTY
4079 };
4080 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4081 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4082 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4083 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4084
4085 static int editor_hl_chars[] =
4086 {
4087   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4088   EL_CHAR('T'),
4089   EL_CHAR('X'),
4090   EL_CHAR('T'),
4091 };
4092
4093 static int editor_el_chars[] =
4094 {
4095   EL_CHAR(' '),
4096   EL_CHAR('!'),
4097   EL_CHAR('"'),
4098   EL_CHAR('#'),
4099
4100   EL_CHAR('$'),
4101   EL_CHAR('%'),
4102   EL_CHAR('&'),
4103   EL_CHAR('\''),
4104
4105   EL_CHAR('('),
4106   EL_CHAR(')'),
4107   EL_CHAR('*'),
4108   EL_CHAR('+'),
4109
4110   EL_CHAR(','),
4111   EL_CHAR('-'),
4112   EL_CHAR('.'),
4113   EL_CHAR('/'),
4114
4115   EL_CHAR('0'),
4116   EL_CHAR('1'),
4117   EL_CHAR('2'),
4118   EL_CHAR('3'),
4119
4120   EL_CHAR('4'),
4121   EL_CHAR('5'),
4122   EL_CHAR('6'),
4123   EL_CHAR('7'),
4124
4125   EL_CHAR('8'),
4126   EL_CHAR('9'),
4127   EL_CHAR(':'),
4128   EL_CHAR(';'),
4129
4130   EL_CHAR('<'),
4131   EL_CHAR('='),
4132   EL_CHAR('>'),
4133   EL_CHAR('?'),
4134
4135   EL_CHAR('@'),
4136   EL_CHAR('A'),
4137   EL_CHAR('B'),
4138   EL_CHAR('C'),
4139
4140   EL_CHAR('D'),
4141   EL_CHAR('E'),
4142   EL_CHAR('F'),
4143   EL_CHAR('G'),
4144
4145   EL_CHAR('H'),
4146   EL_CHAR('I'),
4147   EL_CHAR('J'),
4148   EL_CHAR('K'),
4149
4150   EL_CHAR('L'),
4151   EL_CHAR('M'),
4152   EL_CHAR('N'),
4153   EL_CHAR('O'),
4154
4155   EL_CHAR('P'),
4156   EL_CHAR('Q'),
4157   EL_CHAR('R'),
4158   EL_CHAR('S'),
4159
4160   EL_CHAR('T'),
4161   EL_CHAR('U'),
4162   EL_CHAR('V'),
4163   EL_CHAR('W'),
4164
4165   EL_CHAR('X'),
4166   EL_CHAR('Y'),
4167   EL_CHAR('Z'),
4168   EL_CHAR('['),
4169
4170   EL_CHAR('\\'),
4171   EL_CHAR(']'),
4172   EL_CHAR('^'),
4173   EL_CHAR('_'),
4174
4175   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4176   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4177   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4178   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4179
4180   EL_CHAR(CHAR_BYTE_DEGREE),
4181   EL_CHAR(CHAR_BYTE_REGISTERED),
4182   EL_CHAR(FONT_ASCII_CURSOR),
4183   EL_CHAR(FONT_ASCII_BUTTON),
4184
4185   EL_CHAR(FONT_ASCII_UP),
4186   EL_CHAR(FONT_ASCII_DOWN),
4187   EL_CHAR(' '),
4188   EL_CHAR(' ')
4189 };
4190 static int *editor_hl_chars_ptr = editor_hl_chars;
4191 static int *editor_el_chars_ptr = editor_el_chars;
4192 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4193 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4194
4195 static int editor_hl_steel_chars[] =
4196 {
4197   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4198   EL_STEEL_CHAR('T'),
4199   EL_STEEL_CHAR('X'),
4200   EL_STEEL_CHAR('T'),
4201 };
4202
4203 static int editor_el_steel_chars[] =
4204 {
4205   EL_STEEL_CHAR(' '),
4206   EL_STEEL_CHAR('!'),
4207   EL_STEEL_CHAR('"'),
4208   EL_STEEL_CHAR('#'),
4209
4210   EL_STEEL_CHAR('$'),
4211   EL_STEEL_CHAR('%'),
4212   EL_STEEL_CHAR('&'),
4213   EL_STEEL_CHAR('\''),
4214
4215   EL_STEEL_CHAR('('),
4216   EL_STEEL_CHAR(')'),
4217   EL_STEEL_CHAR('*'),
4218   EL_STEEL_CHAR('+'),
4219
4220   EL_STEEL_CHAR(','),
4221   EL_STEEL_CHAR('-'),
4222   EL_STEEL_CHAR('.'),
4223   EL_STEEL_CHAR('/'),
4224
4225   EL_STEEL_CHAR('0'),
4226   EL_STEEL_CHAR('1'),
4227   EL_STEEL_CHAR('2'),
4228   EL_STEEL_CHAR('3'),
4229
4230   EL_STEEL_CHAR('4'),
4231   EL_STEEL_CHAR('5'),
4232   EL_STEEL_CHAR('6'),
4233   EL_STEEL_CHAR('7'),
4234
4235   EL_STEEL_CHAR('8'),
4236   EL_STEEL_CHAR('9'),
4237   EL_STEEL_CHAR(':'),
4238   EL_STEEL_CHAR(';'),
4239
4240   EL_STEEL_CHAR('<'),
4241   EL_STEEL_CHAR('='),
4242   EL_STEEL_CHAR('>'),
4243   EL_STEEL_CHAR('?'),
4244
4245   EL_STEEL_CHAR('@'),
4246   EL_STEEL_CHAR('A'),
4247   EL_STEEL_CHAR('B'),
4248   EL_STEEL_CHAR('C'),
4249
4250   EL_STEEL_CHAR('D'),
4251   EL_STEEL_CHAR('E'),
4252   EL_STEEL_CHAR('F'),
4253   EL_STEEL_CHAR('G'),
4254
4255   EL_STEEL_CHAR('H'),
4256   EL_STEEL_CHAR('I'),
4257   EL_STEEL_CHAR('J'),
4258   EL_STEEL_CHAR('K'),
4259
4260   EL_STEEL_CHAR('L'),
4261   EL_STEEL_CHAR('M'),
4262   EL_STEEL_CHAR('N'),
4263   EL_STEEL_CHAR('O'),
4264
4265   EL_STEEL_CHAR('P'),
4266   EL_STEEL_CHAR('Q'),
4267   EL_STEEL_CHAR('R'),
4268   EL_STEEL_CHAR('S'),
4269
4270   EL_STEEL_CHAR('T'),
4271   EL_STEEL_CHAR('U'),
4272   EL_STEEL_CHAR('V'),
4273   EL_STEEL_CHAR('W'),
4274
4275   EL_STEEL_CHAR('X'),
4276   EL_STEEL_CHAR('Y'),
4277   EL_STEEL_CHAR('Z'),
4278   EL_STEEL_CHAR('['),
4279
4280   EL_STEEL_CHAR('\\'),
4281   EL_STEEL_CHAR(']'),
4282   EL_STEEL_CHAR('^'),
4283   EL_STEEL_CHAR('_'),
4284
4285   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4286   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4287   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4288   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4289
4290   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4291   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4292   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4293   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4294
4295   EL_STEEL_CHAR(FONT_ASCII_UP),
4296   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4297   EL_STEEL_CHAR(' '),
4298   EL_STEEL_CHAR(' ')
4299 };
4300 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4301 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4302 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4303 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4304
4305 static int editor_hl_custom[] =
4306 {
4307   EL_INTERNAL_CASCADE_CE_ACTIVE,
4308   EL_CHAR('C'),
4309   EL_CHAR('E'),
4310   EL_EMPTY,
4311 };
4312
4313 static int editor_el_custom[] =
4314 {
4315   EL_CUSTOM_START + 0,
4316   EL_CUSTOM_START + 1,
4317   EL_CUSTOM_START + 2,
4318   EL_CUSTOM_START + 3,
4319
4320   EL_CUSTOM_START + 4,
4321   EL_CUSTOM_START + 5,
4322   EL_CUSTOM_START + 6,
4323   EL_CUSTOM_START + 7,
4324
4325   EL_CUSTOM_START + 8,
4326   EL_CUSTOM_START + 9,
4327   EL_CUSTOM_START + 10,
4328   EL_CUSTOM_START + 11,
4329
4330   EL_CUSTOM_START + 12,
4331   EL_CUSTOM_START + 13,
4332   EL_CUSTOM_START + 14,
4333   EL_CUSTOM_START + 15,
4334
4335   EL_CUSTOM_START + 16,
4336   EL_CUSTOM_START + 17,
4337   EL_CUSTOM_START + 18,
4338   EL_CUSTOM_START + 19,
4339
4340   EL_CUSTOM_START + 20,
4341   EL_CUSTOM_START + 21,
4342   EL_CUSTOM_START + 22,
4343   EL_CUSTOM_START + 23,
4344
4345   EL_CUSTOM_START + 24,
4346   EL_CUSTOM_START + 25,
4347   EL_CUSTOM_START + 26,
4348   EL_CUSTOM_START + 27,
4349
4350   EL_CUSTOM_START + 28,
4351   EL_CUSTOM_START + 29,
4352   EL_CUSTOM_START + 30,
4353   EL_CUSTOM_START + 31,
4354
4355   EL_CUSTOM_START + 32,
4356   EL_CUSTOM_START + 33,
4357   EL_CUSTOM_START + 34,
4358   EL_CUSTOM_START + 35,
4359
4360   EL_CUSTOM_START + 36,
4361   EL_CUSTOM_START + 37,
4362   EL_CUSTOM_START + 38,
4363   EL_CUSTOM_START + 39,
4364
4365   EL_CUSTOM_START + 40,
4366   EL_CUSTOM_START + 41,
4367   EL_CUSTOM_START + 42,
4368   EL_CUSTOM_START + 43,
4369
4370   EL_CUSTOM_START + 44,
4371   EL_CUSTOM_START + 45,
4372   EL_CUSTOM_START + 46,
4373   EL_CUSTOM_START + 47,
4374
4375   EL_CUSTOM_START + 48,
4376   EL_CUSTOM_START + 49,
4377   EL_CUSTOM_START + 50,
4378   EL_CUSTOM_START + 51,
4379
4380   EL_CUSTOM_START + 52,
4381   EL_CUSTOM_START + 53,
4382   EL_CUSTOM_START + 54,
4383   EL_CUSTOM_START + 55,
4384
4385   EL_CUSTOM_START + 56,
4386   EL_CUSTOM_START + 57,
4387   EL_CUSTOM_START + 58,
4388   EL_CUSTOM_START + 59,
4389
4390   EL_CUSTOM_START + 60,
4391   EL_CUSTOM_START + 61,
4392   EL_CUSTOM_START + 62,
4393   EL_CUSTOM_START + 63,
4394
4395   EL_CUSTOM_START + 64,
4396   EL_CUSTOM_START + 65,
4397   EL_CUSTOM_START + 66,
4398   EL_CUSTOM_START + 67,
4399
4400   EL_CUSTOM_START + 68,
4401   EL_CUSTOM_START + 69,
4402   EL_CUSTOM_START + 70,
4403   EL_CUSTOM_START + 71,
4404
4405   EL_CUSTOM_START + 72,
4406   EL_CUSTOM_START + 73,
4407   EL_CUSTOM_START + 74,
4408   EL_CUSTOM_START + 75,
4409
4410   EL_CUSTOM_START + 76,
4411   EL_CUSTOM_START + 77,
4412   EL_CUSTOM_START + 78,
4413   EL_CUSTOM_START + 79,
4414
4415   EL_CUSTOM_START + 80,
4416   EL_CUSTOM_START + 81,
4417   EL_CUSTOM_START + 82,
4418   EL_CUSTOM_START + 83,
4419
4420   EL_CUSTOM_START + 84,
4421   EL_CUSTOM_START + 85,
4422   EL_CUSTOM_START + 86,
4423   EL_CUSTOM_START + 87,
4424
4425   EL_CUSTOM_START + 88,
4426   EL_CUSTOM_START + 89,
4427   EL_CUSTOM_START + 90,
4428   EL_CUSTOM_START + 91,
4429
4430   EL_CUSTOM_START + 92,
4431   EL_CUSTOM_START + 93,
4432   EL_CUSTOM_START + 94,
4433   EL_CUSTOM_START + 95,
4434
4435   EL_CUSTOM_START + 96,
4436   EL_CUSTOM_START + 97,
4437   EL_CUSTOM_START + 98,
4438   EL_CUSTOM_START + 99,
4439
4440   EL_CUSTOM_START + 100,
4441   EL_CUSTOM_START + 101,
4442   EL_CUSTOM_START + 102,
4443   EL_CUSTOM_START + 103,
4444
4445   EL_CUSTOM_START + 104,
4446   EL_CUSTOM_START + 105,
4447   EL_CUSTOM_START + 106,
4448   EL_CUSTOM_START + 107,
4449
4450   EL_CUSTOM_START + 108,
4451   EL_CUSTOM_START + 109,
4452   EL_CUSTOM_START + 110,
4453   EL_CUSTOM_START + 111,
4454
4455   EL_CUSTOM_START + 112,
4456   EL_CUSTOM_START + 113,
4457   EL_CUSTOM_START + 114,
4458   EL_CUSTOM_START + 115,
4459
4460   EL_CUSTOM_START + 116,
4461   EL_CUSTOM_START + 117,
4462   EL_CUSTOM_START + 118,
4463   EL_CUSTOM_START + 119,
4464
4465   EL_CUSTOM_START + 120,
4466   EL_CUSTOM_START + 121,
4467   EL_CUSTOM_START + 122,
4468   EL_CUSTOM_START + 123,
4469
4470   EL_CUSTOM_START + 124,
4471   EL_CUSTOM_START + 125,
4472   EL_CUSTOM_START + 126,
4473   EL_CUSTOM_START + 127,
4474
4475   EL_CUSTOM_START + 128,
4476   EL_CUSTOM_START + 129,
4477   EL_CUSTOM_START + 130,
4478   EL_CUSTOM_START + 131,
4479
4480   EL_CUSTOM_START + 132,
4481   EL_CUSTOM_START + 133,
4482   EL_CUSTOM_START + 134,
4483   EL_CUSTOM_START + 135,
4484
4485   EL_CUSTOM_START + 136,
4486   EL_CUSTOM_START + 137,
4487   EL_CUSTOM_START + 138,
4488   EL_CUSTOM_START + 139,
4489
4490   EL_CUSTOM_START + 140,
4491   EL_CUSTOM_START + 141,
4492   EL_CUSTOM_START + 142,
4493   EL_CUSTOM_START + 143,
4494
4495   EL_CUSTOM_START + 144,
4496   EL_CUSTOM_START + 145,
4497   EL_CUSTOM_START + 146,
4498   EL_CUSTOM_START + 147,
4499
4500   EL_CUSTOM_START + 148,
4501   EL_CUSTOM_START + 149,
4502   EL_CUSTOM_START + 150,
4503   EL_CUSTOM_START + 151,
4504
4505   EL_CUSTOM_START + 152,
4506   EL_CUSTOM_START + 153,
4507   EL_CUSTOM_START + 154,
4508   EL_CUSTOM_START + 155,
4509
4510   EL_CUSTOM_START + 156,
4511   EL_CUSTOM_START + 157,
4512   EL_CUSTOM_START + 158,
4513   EL_CUSTOM_START + 159,
4514
4515   EL_CUSTOM_START + 160,
4516   EL_CUSTOM_START + 161,
4517   EL_CUSTOM_START + 162,
4518   EL_CUSTOM_START + 163,
4519
4520   EL_CUSTOM_START + 164,
4521   EL_CUSTOM_START + 165,
4522   EL_CUSTOM_START + 166,
4523   EL_CUSTOM_START + 167,
4524
4525   EL_CUSTOM_START + 168,
4526   EL_CUSTOM_START + 169,
4527   EL_CUSTOM_START + 170,
4528   EL_CUSTOM_START + 171,
4529
4530   EL_CUSTOM_START + 172,
4531   EL_CUSTOM_START + 173,
4532   EL_CUSTOM_START + 174,
4533   EL_CUSTOM_START + 175,
4534
4535   EL_CUSTOM_START + 176,
4536   EL_CUSTOM_START + 177,
4537   EL_CUSTOM_START + 178,
4538   EL_CUSTOM_START + 179,
4539
4540   EL_CUSTOM_START + 180,
4541   EL_CUSTOM_START + 181,
4542   EL_CUSTOM_START + 182,
4543   EL_CUSTOM_START + 183,
4544
4545   EL_CUSTOM_START + 184,
4546   EL_CUSTOM_START + 185,
4547   EL_CUSTOM_START + 186,
4548   EL_CUSTOM_START + 187,
4549
4550   EL_CUSTOM_START + 188,
4551   EL_CUSTOM_START + 189,
4552   EL_CUSTOM_START + 190,
4553   EL_CUSTOM_START + 191,
4554
4555   EL_CUSTOM_START + 192,
4556   EL_CUSTOM_START + 193,
4557   EL_CUSTOM_START + 194,
4558   EL_CUSTOM_START + 195,
4559
4560   EL_CUSTOM_START + 196,
4561   EL_CUSTOM_START + 197,
4562   EL_CUSTOM_START + 198,
4563   EL_CUSTOM_START + 199,
4564
4565   EL_CUSTOM_START + 200,
4566   EL_CUSTOM_START + 201,
4567   EL_CUSTOM_START + 202,
4568   EL_CUSTOM_START + 203,
4569
4570   EL_CUSTOM_START + 204,
4571   EL_CUSTOM_START + 205,
4572   EL_CUSTOM_START + 206,
4573   EL_CUSTOM_START + 207,
4574
4575   EL_CUSTOM_START + 208,
4576   EL_CUSTOM_START + 209,
4577   EL_CUSTOM_START + 210,
4578   EL_CUSTOM_START + 211,
4579
4580   EL_CUSTOM_START + 212,
4581   EL_CUSTOM_START + 213,
4582   EL_CUSTOM_START + 214,
4583   EL_CUSTOM_START + 215,
4584
4585   EL_CUSTOM_START + 216,
4586   EL_CUSTOM_START + 217,
4587   EL_CUSTOM_START + 218,
4588   EL_CUSTOM_START + 219,
4589
4590   EL_CUSTOM_START + 220,
4591   EL_CUSTOM_START + 221,
4592   EL_CUSTOM_START + 222,
4593   EL_CUSTOM_START + 223,
4594
4595   EL_CUSTOM_START + 224,
4596   EL_CUSTOM_START + 225,
4597   EL_CUSTOM_START + 226,
4598   EL_CUSTOM_START + 227,
4599
4600   EL_CUSTOM_START + 228,
4601   EL_CUSTOM_START + 229,
4602   EL_CUSTOM_START + 230,
4603   EL_CUSTOM_START + 231,
4604
4605   EL_CUSTOM_START + 232,
4606   EL_CUSTOM_START + 233,
4607   EL_CUSTOM_START + 234,
4608   EL_CUSTOM_START + 235,
4609
4610   EL_CUSTOM_START + 236,
4611   EL_CUSTOM_START + 237,
4612   EL_CUSTOM_START + 238,
4613   EL_CUSTOM_START + 239,
4614
4615   EL_CUSTOM_START + 240,
4616   EL_CUSTOM_START + 241,
4617   EL_CUSTOM_START + 242,
4618   EL_CUSTOM_START + 243,
4619
4620   EL_CUSTOM_START + 244,
4621   EL_CUSTOM_START + 245,
4622   EL_CUSTOM_START + 246,
4623   EL_CUSTOM_START + 247,
4624
4625   EL_CUSTOM_START + 248,
4626   EL_CUSTOM_START + 249,
4627   EL_CUSTOM_START + 250,
4628   EL_CUSTOM_START + 251,
4629
4630   EL_CUSTOM_START + 252,
4631   EL_CUSTOM_START + 253,
4632   EL_CUSTOM_START + 254,
4633   EL_CUSTOM_START + 255
4634 };
4635 static int *editor_hl_custom_ptr = editor_hl_custom;
4636 static int *editor_el_custom_ptr = editor_el_custom;
4637 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
4638 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
4639
4640 static int editor_hl_group[] =
4641 {
4642   EL_INTERNAL_CASCADE_GE_ACTIVE,
4643   EL_CHAR('G'),
4644   EL_CHAR('E'),
4645   EL_EMPTY,
4646 };
4647
4648 static int editor_el_group[] =
4649 {
4650   EL_GROUP_START + 0,
4651   EL_GROUP_START + 1,
4652   EL_GROUP_START + 2,
4653   EL_GROUP_START + 3,
4654
4655   EL_GROUP_START + 4,
4656   EL_GROUP_START + 5,
4657   EL_GROUP_START + 6,
4658   EL_GROUP_START + 7,
4659
4660   EL_GROUP_START + 8,
4661   EL_GROUP_START + 9,
4662   EL_GROUP_START + 10,
4663   EL_GROUP_START + 11,
4664
4665   EL_GROUP_START + 12,
4666   EL_GROUP_START + 13,
4667   EL_GROUP_START + 14,
4668   EL_GROUP_START + 15,
4669
4670   EL_GROUP_START + 16,
4671   EL_GROUP_START + 17,
4672   EL_GROUP_START + 18,
4673   EL_GROUP_START + 19,
4674
4675   EL_GROUP_START + 20,
4676   EL_GROUP_START + 21,
4677   EL_GROUP_START + 22,
4678   EL_GROUP_START + 23,
4679
4680   EL_GROUP_START + 24,
4681   EL_GROUP_START + 25,
4682   EL_GROUP_START + 26,
4683   EL_GROUP_START + 27,
4684
4685   EL_GROUP_START + 28,
4686   EL_GROUP_START + 29,
4687   EL_GROUP_START + 30,
4688   EL_GROUP_START + 31
4689 };
4690 static int *editor_hl_group_ptr = editor_hl_group;
4691 static int *editor_el_group_ptr = editor_el_group;
4692 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
4693 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
4694
4695 static int editor_hl_reference[] =
4696 {
4697   EL_INTERNAL_CASCADE_REF_ACTIVE,
4698   EL_CHAR('R'),
4699   EL_CHAR('E'),
4700   EL_CHAR('F')
4701 };
4702
4703 static int editor_el_reference[] =
4704 {
4705   EL_TRIGGER_PLAYER,
4706   EL_TRIGGER_ELEMENT,
4707   EL_TRIGGER_CE_VALUE,
4708   EL_TRIGGER_CE_SCORE,
4709
4710   EL_SELF,
4711   EL_ANY_ELEMENT,
4712   EL_CURRENT_CE_VALUE,
4713   EL_CURRENT_CE_SCORE,
4714
4715   EL_PREV_CE_8,
4716   EL_PREV_CE_7,
4717   EL_PREV_CE_6,
4718   EL_PREV_CE_5,
4719
4720   EL_PREV_CE_4,
4721   EL_PREV_CE_3,
4722   EL_PREV_CE_2,
4723   EL_PREV_CE_1,
4724
4725   EL_NEXT_CE_1,
4726   EL_NEXT_CE_2,
4727   EL_NEXT_CE_3,
4728   EL_NEXT_CE_4,
4729
4730   EL_NEXT_CE_5,
4731   EL_NEXT_CE_6,
4732   EL_NEXT_CE_7,
4733   EL_NEXT_CE_8,
4734 };
4735 static int *editor_hl_reference_ptr = editor_hl_reference;
4736 static int *editor_el_reference_ptr = editor_el_reference;
4737 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
4738 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
4739
4740 static int editor_hl_user_defined[] =
4741 {
4742   EL_INTERNAL_CASCADE_USER_ACTIVE,
4743   EL_CHAR('M'),
4744   EL_CHAR('Y'),
4745   EL_EMPTY,
4746 };
4747
4748 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
4749 static int *editor_el_user_defined_ptr = NULL;
4750 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
4751 static int num_editor_el_user_defined = 0;
4752
4753 static int editor_hl_dynamic[] =
4754 {
4755   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
4756   EL_CHAR('U'),
4757   EL_CHAR('S'),
4758   EL_CHAR('E'),
4759 };
4760
4761 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
4762 static int *editor_el_dynamic_ptr = NULL;
4763 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
4764 static int num_editor_el_dynamic = 0;
4765
4766 static int editor_hl_empty[] = { EL_EMPTY };
4767 static int *editor_el_empty = NULL;     /* dynamically allocated */
4768
4769 static int *editor_hl_empty_ptr = editor_hl_empty;
4770 static int *editor_el_empty_ptr = NULL;
4771 static int num_editor_hl_empty = 0;
4772 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
4773
4774 static boolean use_el_empty = FALSE;
4775
4776 static int *editor_elements = NULL;     /* dynamically allocated */
4777 static int num_editor_elements = 0;     /* dynamically determined */
4778
4779 static boolean setup_editor_show_always = TRUE;
4780 static boolean setup_editor_cascade_never = FALSE;
4781
4782 static int editor_hl_unused[] = { EL_EMPTY };
4783 static int *editor_hl_unused_ptr = editor_hl_unused;
4784 static int num_editor_hl_unused = 0;
4785
4786 static struct
4787 {
4788   boolean *setup_value;
4789   boolean *setup_cascade_value;
4790
4791   int **headline_list;
4792   int *headline_list_size;
4793
4794   int **element_list;
4795   int *element_list_size;
4796
4797   boolean last_setup_value;
4798 }
4799 editor_elements_info[] =
4800 {
4801   {
4802     &setup_editor_show_always,
4803     &setup_editor_cascade_never,
4804     &editor_hl_unused_ptr,              &num_editor_hl_unused,
4805     &editor_el_players_ptr,             &num_editor_el_players
4806   },
4807   {
4808     &setup.editor.el_boulderdash,
4809     &setup.editor_cascade.el_bd,
4810     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
4811     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
4812   },
4813   {
4814     &setup.editor.el_emerald_mine,
4815     &setup.editor_cascade.el_em,
4816     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
4817     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
4818   },
4819   {
4820     &setup.editor.el_emerald_mine_club,
4821     &setup.editor_cascade.el_emc,
4822     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
4823     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
4824   },
4825   {
4826     &setup.editor.el_more,
4827     &setup.editor_cascade.el_rnd,
4828     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
4829     &editor_el_rnd_ptr,                 &num_editor_el_rnd
4830   },
4831   {
4832     &setup.editor.el_sokoban,
4833     &setup.editor_cascade.el_sb,
4834     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
4835     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
4836   },
4837   {
4838     &setup.editor.el_supaplex,
4839     &setup.editor_cascade.el_sp,
4840     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
4841     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
4842   },
4843   {
4844     &setup.editor.el_diamond_caves,
4845     &setup.editor_cascade.el_dc,
4846     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
4847     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
4848   },
4849   {
4850     &setup.editor.el_dx_boulderdash,
4851     &setup.editor_cascade.el_dx,
4852     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
4853     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
4854   },
4855   {
4856     &setup.editor.el_chars,
4857     &setup.editor_cascade.el_chars,
4858     &editor_hl_chars_ptr,               &num_editor_hl_chars,
4859     &editor_el_chars_ptr,               &num_editor_el_chars
4860   },
4861   {
4862     &setup.editor.el_steel_chars,
4863     &setup.editor_cascade.el_steel_chars,
4864     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
4865     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
4866   },
4867   {
4868     &setup.editor.el_custom,
4869     &setup.editor_cascade.el_ce,
4870     &editor_hl_custom_ptr,              &num_editor_hl_custom,
4871     &editor_el_custom_ptr,              &num_editor_el_custom
4872   },
4873   {
4874     &setup.editor.el_custom,
4875     &setup.editor_cascade.el_ge,
4876     &editor_hl_group_ptr,               &num_editor_hl_group,
4877     &editor_el_group_ptr,               &num_editor_el_group
4878   },
4879   {
4880     &setup.editor.el_custom,
4881     &setup.editor_cascade.el_ref,
4882     &editor_hl_reference_ptr,           &num_editor_hl_reference,
4883     &editor_el_reference_ptr,           &num_editor_el_reference
4884   },
4885   {
4886     &setup.editor.el_user_defined,
4887     &setup.editor_cascade.el_user,
4888     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
4889     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
4890   },
4891   {
4892     &setup.editor.el_dynamic,
4893     &setup.editor_cascade.el_dynamic,
4894     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
4895     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
4896   },
4897   {
4898     &use_el_empty,
4899     &use_el_empty,
4900     &editor_hl_empty_ptr,               &num_editor_hl_empty,
4901     &editor_el_empty_ptr,               &num_editor_el_empty,
4902   },
4903   {
4904     NULL,
4905     NULL,
4906     NULL,                               NULL,
4907     NULL,                               NULL
4908   }
4909 };
4910
4911
4912 /*
4913   -----------------------------------------------------------------------------
4914   functions
4915   -----------------------------------------------------------------------------
4916 */
4917
4918 static int getMaxInfoTextLength()
4919 {
4920   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
4921 }
4922
4923 static int getTextWidthForGadget(char *text)
4924 {
4925   if (text == NULL)
4926     return 0;
4927
4928   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
4929 }
4930
4931 static int getTextWidthForDrawingArea(char *text)
4932 {
4933   if (text == NULL)
4934     return 0;
4935
4936   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
4937 }
4938
4939 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
4940 {
4941   return (gi->x + gi->width + getTextWidthForGadget(text));
4942 }
4943
4944 static char *getElementInfoText(int element)
4945 {
4946   char *info_text = NULL;
4947
4948   if (element < MAX_NUM_ELEMENTS)
4949   {
4950     if (strlen(element_info[element].description) > 0)
4951       info_text = element_info[element].description;
4952     else if (element_info[element].custom_description != NULL)
4953       info_text = element_info[element].custom_description;
4954     else if (element_info[element].editor_description != NULL)
4955       info_text = element_info[element].editor_description;
4956   }
4957
4958   if (info_text == NULL)
4959     info_text = INFOTEXT_UNKNOWN_ELEMENT;
4960
4961   return info_text;
4962 }
4963
4964 static char *getElementDescriptionFilenameExt(char *basename)
4965 {
4966   char *elements_subdir = "elements";
4967   static char *elements_subdir2 = NULL;
4968   static char *filename = NULL;
4969
4970   if (elements_subdir2 == NULL)
4971     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
4972
4973   checked_free(filename);
4974
4975   /* 1st try: look for element description in current level set directory */
4976   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
4977   if (fileExists(filename))
4978     return filename;
4979
4980   free(filename);
4981
4982   /* 2nd try: look for element description in the game's base directory */
4983   filename = getPath3(options.docs_directory, elements_subdir, basename);
4984   if (fileExists(filename))
4985     return filename;
4986
4987   return NULL;
4988 }
4989
4990 char *getElementDescriptionFilename(int element)
4991 {
4992   char basename[MAX_FILENAME_LEN];
4993   char *filename;
4994
4995   /* 1st try: look for element description file for exactly this element */
4996   sprintf(basename, "%s.txt", element_info[element].token_name);
4997   filename = getElementDescriptionFilenameExt(basename);
4998   if (filename != NULL)
4999     return filename;
5000
5001   /* 2nd try: look for element description file for this element's class */
5002   sprintf(basename, "%s.txt", element_info[element].class_name);
5003   filename = getElementDescriptionFilenameExt(basename);
5004   if (filename != NULL)
5005     return filename;
5006
5007   return NULL;
5008 }
5009
5010 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5011 {
5012   boolean element_found[NUM_FILE_ELEMENTS];
5013   int i, x, y;
5014
5015   /* initialize list of used elements to "not used" */
5016   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5017     element_found[i] = FALSE;
5018
5019   /* find all elements used in current level */
5020   for (y = 0; y < lev_fieldy; y++)
5021     for (x = 0; x < lev_fieldx; x++)
5022       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5023         element_found[Feld[x][y]] = TRUE;
5024
5025   *num_elements = 0;
5026
5027   /* count number of elements used in current level */
5028   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5029     if (element_found[i])
5030       (*num_elements)++;
5031
5032   /* add space for up to 3 more elements for padding that may be needed */
5033   *num_elements += 3;
5034
5035   /* free memory for old list of elements, if needed */
5036   checked_free(*elements);
5037
5038   /* allocate memory for new list of elements */
5039   *elements = checked_malloc(*num_elements * sizeof(int));
5040
5041   *num_elements = 0;
5042
5043   /* add all elements used in current level (non-custom/group elements) */
5044   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5045     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5046       (*elements)[(*num_elements)++] = i;
5047
5048   /* add all elements used in current level (custom/group elements) */
5049   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5050     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5051       (*elements)[(*num_elements)++] = i;
5052
5053   while (*num_elements % 4)     /* pad with empty elements, if needed */
5054     (*elements)[(*num_elements)++] = EL_EMPTY;
5055 }
5056
5057 static void ReinitializeElementList()
5058 {
5059   static boolean initialization_needed = TRUE;
5060   int pos = 0;
5061   int i, j;
5062
5063   if (initialization_needed)
5064   {
5065     LoadSetup_EditorCascade();          /* load last editor cascade state */
5066
5067     /* initialize editor cascade element from saved cascade state */
5068     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5069     {
5070       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5071       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5072
5073       if (IS_EDITOR_CASCADE(*cascade_element))
5074         *cascade_element =
5075           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5076            EL_CASCADE_INACTIVE(*cascade_element));
5077     }
5078
5079     initialization_needed = FALSE;
5080   }
5081
5082   checked_free(editor_elements);
5083
5084   /* reload optional user defined element list for each invocation of editor */
5085   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5086                                    &num_editor_el_user_defined);
5087
5088   /* initialize dynamic level element list for each invocation of editor */
5089   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5090                                &num_editor_el_dynamic);
5091
5092   /* initialize list of empty elements (used for padding, if needed) */
5093   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5094     editor_el_empty[i] = EL_EMPTY;
5095
5096   /* do some sanity checks for each element from element list */
5097   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5098   {
5099     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5100     {
5101       int element = (*editor_elements_info[i].element_list)[j];
5102
5103       if (element >= NUM_FILE_ELEMENTS)
5104         Error(ERR_WARN, "editor element %d is runtime element", element);
5105
5106       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5107         Error(ERR_WARN, "no element description for element %d", element);
5108     }
5109   }
5110
5111   num_editor_elements = 0;
5112   use_el_empty = FALSE;
5113
5114   /* determine size of element list */
5115   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5116   {
5117     boolean found_inactive_cascade = FALSE;
5118
5119     if (*editor_elements_info[i].setup_value)
5120     {
5121       if (setup.editor.el_headlines)
5122       {
5123         // required for correct padding of palette headline buttons
5124         if (*editor_elements_info[i].headline_list_size > 0)
5125           num_editor_elements += editor.palette.cols;
5126
5127         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5128         {
5129           int element = (*editor_elements_info[i].headline_list)[j];
5130
5131           if (IS_EDITOR_CASCADE_INACTIVE(element))
5132             found_inactive_cascade = TRUE;
5133         }
5134       }
5135
5136       if (found_inactive_cascade)
5137         continue;
5138
5139       // required for correct padding of palette element buttons
5140       int element_list_size = *editor_elements_info[i].element_list_size;
5141       int element_rows =
5142         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5143       int element_buttons = editor.palette.cols * element_rows;
5144
5145       num_editor_elements += element_buttons;
5146     }
5147   }
5148
5149   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5150   {
5151     /* offer at least as many elements as element buttons exist */
5152     use_el_empty = TRUE;
5153     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5154
5155     num_editor_elements += num_editor_el_empty;
5156   }
5157
5158   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5159
5160   /* fill element list */
5161   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5162   {
5163     boolean found_inactive_cascade = FALSE;
5164
5165     if (*editor_elements_info[i].setup_value)
5166     {
5167       if (setup.editor.el_headlines)
5168       {
5169         // required for correct padding of palette headline buttons
5170         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5171                              editor.palette.cols : 0);
5172
5173         for (j = 0; j < headline_size; j++)
5174         {
5175           // use empty elements for padding of palette headline buttons
5176           int element = (j < *editor_elements_info[i].headline_list_size ?
5177                          (*editor_elements_info[i].headline_list)[j] :
5178                          editor_el_empty[0]);
5179
5180           editor_elements[pos++] = element;
5181
5182           if (IS_EDITOR_CASCADE_INACTIVE(element))
5183             found_inactive_cascade = TRUE;
5184         }
5185       }
5186
5187       if (found_inactive_cascade)
5188         continue;
5189
5190       // required for correct padding of palette element buttons
5191       int element_list_size = *editor_elements_info[i].element_list_size;
5192       int element_rows =
5193         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5194       int element_buttons = editor.palette.cols * element_rows;
5195
5196       // copy all elements from element list
5197       for (j = 0; j < element_list_size; j++)
5198         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5199
5200       // use empty elements for padding of palette element buttons
5201       for (j = 0; j < element_buttons - element_list_size; j++)
5202         editor_elements[pos++] = editor_el_empty[0];
5203     }
5204   }
5205
5206   /* (this function is also called before editor gadgets are initialized!) */
5207   AdjustElementListScrollbar();
5208 }
5209
5210 void PrintEditorElementList()
5211 {
5212   boolean *stop = &setup.editor.el_user_defined;
5213   int i, j;
5214
5215   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5216   {
5217     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5218
5219     if (IS_EDITOR_CASCADE(cascade_element))
5220     {
5221       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5222       char *headline = element_info[cascade_element_show].editor_description;
5223
5224       printf_line_with_prefix("# ", "-", 77);
5225       printf("# %s\n", headline);
5226       printf_line_with_prefix("# ", "-", 77);
5227     }
5228
5229     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5230     {
5231       int element = (*editor_elements_info[i].headline_list)[j];
5232
5233       if (IS_EDITOR_CASCADE(element))
5234         element = EL_CHAR_MINUS;
5235
5236       printf("# %s\n", element_info[element].token_name);
5237     }
5238
5239     if (j > 0)
5240       printf("#\n");
5241
5242     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5243     {
5244       int element = (*editor_elements_info[i].element_list)[j];
5245
5246       printf("# %s\n", element_info[element].token_name);
5247     }
5248
5249     if (j > 0)
5250       printf("#\n");
5251   }
5252 }
5253
5254 static void ReinitializeElementListButtons()
5255 {
5256   static boolean last_setup_value_headlines = FALSE;
5257   static boolean initialization_needed = TRUE;
5258   int i;
5259
5260   if (!initialization_needed)   /* check if editor element setup has changed */
5261   {
5262     if (last_setup_value_headlines != setup.editor.el_headlines)
5263       initialization_needed = TRUE;
5264
5265     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5266       if (editor_elements_info[i].last_setup_value !=
5267           *editor_elements_info[i].setup_value)
5268         initialization_needed = TRUE;
5269   }
5270
5271   if (!initialization_needed)
5272     return;
5273
5274   FreeLevelEditorGadgets();
5275   CreateLevelEditorGadgets();
5276
5277   /* store current setup values for next invocation of this function */
5278   last_setup_value_headlines = setup.editor.el_headlines;
5279   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5280     editor_elements_info[i].last_setup_value =
5281       *editor_elements_info[i].setup_value;
5282
5283   initialization_needed = FALSE;
5284 }
5285
5286 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5287                               boolean input)
5288 {
5289   int border_graphic =
5290     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5291   struct GraphicInfo *g = &graphic_info[border_graphic];
5292   Bitmap *src_bitmap = g->bitmap;
5293   int src_x = g->src_x;
5294   int src_y = g->src_y;
5295   int border_size = g->border_size;
5296   int border_xpos = g->width  - border_size;
5297   int border_ypos = g->height - border_size;
5298   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5299   int i;
5300
5301   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5302              border_size, border_size,
5303              dest_x - border_size, dest_y - border_size);
5304   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5305              border_size, border_size,
5306              dest_x + width, dest_y - border_size);
5307   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5308              border_size, border_size,
5309              dest_x - border_size, dest_y + height);
5310   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5311              border_size, border_size,
5312              dest_x + width, dest_y + height);
5313
5314   for (i = 0; i < width / tilesize; i++)
5315   {
5316     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5317                tilesize, border_size,
5318                dest_x + i * tilesize, dest_y - border_size);
5319     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5320                tilesize, border_size,
5321                dest_x + i * tilesize, dest_y + height);
5322   }
5323
5324   for (i = 0; i < height / tilesize; i++)
5325   {
5326     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5327                border_size, tilesize,
5328                dest_x - border_size, dest_y + i * tilesize);
5329     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5330                border_size, tilesize,
5331                dest_x + width, dest_y + i * tilesize);
5332   }
5333
5334   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5335 }
5336
5337 static void DrawEditorElement(int x, int y, int element)
5338 {
5339   DrawSizedElement(x, y, element, ed_tilesize);
5340 }
5341
5342 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5343 {
5344   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5345 }
5346
5347 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5348 {
5349   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5350 }
5351
5352 static void DrawDrawingArea(int id)
5353 {
5354   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5355   int x, y;
5356
5357   int *value = drawingarea_info[id].value;
5358   int area_xsize = drawingarea_info[id].area_xsize;
5359   int area_ysize = drawingarea_info[id].area_ysize;
5360   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5361
5362   for (x = 0; x < area_xsize; x++)
5363     for (y = 0; y < area_ysize; y++)
5364       DrawSizedGraphicExt(drawto,
5365                           gi->x + x * tilesize,
5366                           gi->y + y * tilesize,
5367                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5368 }
5369
5370 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5371 {
5372   int x, y;
5373   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5374   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5375
5376   BlitBitmap(drawto, drawto,
5377              SX + (dx == -1 ? ed_tilesize : 0),
5378              SY + (dy == -1 ? ed_tilesize : 0),
5379              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5380              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5381              SX + (dx == +1 ? ed_tilesize : 0),
5382              SY + (dy == +1 ? ed_tilesize : 0));
5383
5384   if (dx)
5385   {
5386     x = (dx == 1 ? 0 : ed_fieldx - 1);
5387     for (y = 0; y < ed_fieldy; y++)
5388       DrawEditorElementOrWall(x, y, from_x, from_y);
5389   }
5390   else if (dy)
5391   {
5392     y = (dy == 1 ? 0 : ed_fieldy - 1);
5393     for (x = 0; x < ed_fieldx; x++)
5394       DrawEditorElementOrWall(x, y, from_x, from_y);
5395   }
5396
5397   redraw_mask |= REDRAW_FIELD;
5398   BackToFront();
5399 }
5400
5401 void getElementListGraphicSource(int element, Bitmap **bitmap, int *x, int *y)
5402 {
5403   int graphic = el2edimg(element);
5404   int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5405                    MINI_TILESIZE);
5406
5407   getSizedGraphicSource(graphic, 0, tile_size, bitmap, x, y);
5408 }
5409
5410 static void CreateControlButtons()
5411 {
5412   struct GadgetInfo *gi;
5413   int i;
5414
5415   /* create toolbox buttons */
5416   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
5417   {
5418     int id = controlbutton_info[i].gadget_id;
5419     int type = controlbutton_info[i].gadget_type;
5420     int graphic = controlbutton_info[i].graphic;
5421     struct XY *pos = controlbutton_info[i].pos;
5422     struct GraphicInfo *gd = &graphic_info[graphic];
5423     int gd_x1 = gd->src_x;
5424     int gd_y1 = gd->src_y;
5425     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5426     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5427     int gd_x1a = gd->src_x + gd->active_xoffset;
5428     int gd_y1a = gd->src_y + gd->active_yoffset;
5429     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
5430     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
5431     int x = pos->x;
5432     int y = pos->y;
5433     unsigned int event_mask;
5434     int radio_button_nr = RADIO_NR_NONE;
5435     boolean checked = FALSE;
5436
5437     if (type == GD_TYPE_RADIO_BUTTON)
5438     {
5439       event_mask = GD_EVENT_PRESSED;
5440       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
5441
5442       if (id == drawing_function)
5443         checked = TRUE;
5444     }
5445     else
5446     {
5447       if (id == GADGET_ID_WRAP_LEFT ||
5448           id == GADGET_ID_WRAP_RIGHT ||
5449           id == GADGET_ID_WRAP_UP ||
5450           id == GADGET_ID_WRAP_DOWN)
5451         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5452       else
5453         event_mask = GD_EVENT_RELEASED;
5454     }
5455
5456     if (id == GADGET_ID_PROPERTIES)
5457     {
5458       x += DX;
5459       y += DY;
5460     }
5461     else
5462     {
5463       x += EX;
5464       y += EY;
5465     }
5466
5467     gi = CreateGadget(GDI_CUSTOM_ID, id,
5468                       GDI_CUSTOM_TYPE_ID, i,
5469                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
5470                       GDI_X, x,
5471                       GDI_Y, y,
5472                       GDI_WIDTH, gd->width,
5473                       GDI_HEIGHT, gd->height,
5474                       GDI_TYPE, type,
5475                       GDI_STATE, GD_BUTTON_UNPRESSED,
5476                       GDI_RADIO_NR, radio_button_nr,
5477                       GDI_CHECKED, checked,
5478                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5479                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5480                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
5481                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
5482                       GDI_EVENT_MASK, event_mask,
5483                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5484                       GDI_CALLBACK_ACTION, HandleControlButtons,
5485                       GDI_END);
5486
5487     if (gi == NULL)
5488       Error(ERR_EXIT, "cannot create gadget");
5489
5490     level_editor_gadget[id] = gi;
5491   }
5492
5493   /* these values are not constant, but can change at runtime */
5494   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
5495   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
5496   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
5497   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
5498   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
5499   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
5500   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
5501   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
5502   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
5503   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
5504   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
5505   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
5506
5507   /* create buttons for scrolling of drawing area and element list */
5508   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
5509   {
5510     int id = scrollbutton_info[i].gadget_id;
5511     int graphic = scrollbutton_info[i].graphic;
5512     struct GraphicInfo *gd = &graphic_info[graphic];
5513     Bitmap *gd_bitmap = gd->bitmap;
5514     int gd_x1 = gd->src_x;
5515     int gd_y1 = gd->src_y;
5516     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5517     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5518     int width  = gd->width;
5519     int height = gd->height;
5520     int x = scrollbutton_pos[i].x;
5521     int y = scrollbutton_pos[i].y;
5522     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5523
5524     if (id == GADGET_ID_SCROLL_LIST_UP ||
5525         id == GADGET_ID_SCROLL_LIST_DOWN)
5526     {
5527       x += DX;
5528       y += DY;
5529     }
5530     else
5531     {
5532       x += SX;
5533       y += SY;
5534     }
5535
5536     gi = CreateGadget(GDI_CUSTOM_ID, id,
5537                       GDI_CUSTOM_TYPE_ID, i,
5538                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
5539                       GDI_X, x,
5540                       GDI_Y, y,
5541                       GDI_WIDTH, width,
5542                       GDI_HEIGHT, height,
5543                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5544                       GDI_STATE, GD_BUTTON_UNPRESSED,
5545                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5546                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5547                       GDI_EVENT_MASK, event_mask,
5548                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5549                       GDI_CALLBACK_ACTION, HandleControlButtons,
5550                       GDI_END);
5551
5552     if (gi == NULL)
5553       Error(ERR_EXIT, "cannot create gadget");
5554
5555     level_editor_gadget[id] = gi;
5556   }
5557
5558   /* create buttons for element list */
5559   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5560   {
5561     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
5562     int graphic = IMG_EDITOR_PALETTE_BUTTON;
5563     struct GraphicInfo *gd = &graphic_info[graphic];
5564     Bitmap *gd_bitmap = gd->bitmap;
5565     Bitmap *deco_bitmap;
5566     int deco_x, deco_y, deco_xpos, deco_ypos;
5567     int gd_x1 = gd->src_x;
5568     int gd_y1 = gd->src_y;
5569     int gd_x2 = gd->src_x + gd->pressed_xoffset;
5570     int gd_y2 = gd->src_y + gd->pressed_yoffset;
5571     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
5572     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
5573     int x = DX + ED_ELEMENTLIST_XPOS + xx * gd->width;
5574     int y = DY + ED_ELEMENTLIST_YPOS + yy * gd->height;
5575     int element = editor_elements[i];
5576     int tile_size = (editor.palette.tile_size >= TILESIZE ? TILESIZE :
5577                      MINI_TILESIZE);
5578     unsigned int event_mask = GD_EVENT_RELEASED;
5579
5580     getElementListGraphicSource(element, &deco_bitmap, &deco_x, &deco_y);
5581     deco_xpos = (gd->width  - tile_size) / 2;
5582     deco_ypos = (gd->height - tile_size) / 2;
5583
5584     gi = CreateGadget(GDI_CUSTOM_ID, id,
5585                       GDI_CUSTOM_TYPE_ID, i,
5586                       GDI_INFO_TEXT, getElementInfoText(element),
5587                       GDI_X, x,
5588                       GDI_Y, y,
5589                       GDI_WIDTH, gd->width,
5590                       GDI_HEIGHT, gd->height,
5591                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5592                       GDI_STATE, GD_BUTTON_UNPRESSED,
5593                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
5594                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
5595                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
5596                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
5597                       GDI_DECORATION_SIZE, tile_size, tile_size,
5598                       GDI_DECORATION_SHIFTING, 1, 1,
5599                       GDI_EVENT_MASK, event_mask,
5600                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5601                       GDI_CALLBACK_ACTION, HandleControlButtons,
5602                       GDI_END);
5603
5604     if (gi == NULL)
5605       Error(ERR_EXIT, "cannot create gadget");
5606
5607     level_editor_gadget[id] = gi;
5608   }
5609 }
5610
5611 static void CreateCounterButtons()
5612 {
5613   int max_infotext_len = getMaxInfoTextLength();
5614   int i;
5615
5616   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
5617   {
5618     int j;
5619     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
5620     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
5621
5622     /* determine horizontal position to the right of specified gadget */
5623     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
5624       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
5625            ED_GADGET_TEXT_DISTANCE);
5626
5627     /* determine horizontal offset for leading text */
5628     if (counterbutton_info[i].text_left != NULL)
5629       x += getTextWidthForGadget(counterbutton_info[i].text_left);
5630
5631     for (j = 0; j < 2; j++)
5632     {
5633       struct GadgetInfo *gi;
5634       int id = (j == 0 ?
5635                 counterbutton_info[i].gadget_id_down :
5636                 counterbutton_info[i].gadget_id_up);
5637       int graphic;
5638       struct GraphicInfo *gd;
5639       int gd_x1, gd_x2, gd_y1, gd_y2;
5640       unsigned int event_mask;
5641       char infotext[max_infotext_len + 1];
5642
5643       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
5644
5645       if (i == ED_COUNTER_ID_SELECT_LEVEL)
5646       {
5647         graphic = (j == 0 ?
5648                    IMG_EDITOR_BUTTON_GFX_PREV_LEVEL :
5649                    IMG_EDITOR_BUTTON_GFX_NEXT_LEVEL);
5650
5651         event_mask |= GD_EVENT_RELEASED;
5652
5653         if (j == 0)
5654         {
5655           x = DX + editor.button.prev_level.x;
5656           y = DY + editor.button.prev_level.y;
5657         }
5658         else
5659         {
5660           x = DX + editor.button.next_level.x;
5661           y = DY + editor.button.next_level.y;
5662         }
5663       }
5664       else
5665       {
5666         graphic = (j == 0 ?
5667                    IMG_EDITOR_COUNTER_DOWN :
5668                    IMG_EDITOR_COUNTER_UP);
5669       }
5670
5671       gd = &graphic_info[graphic];
5672
5673       gd_x1 = gd->src_x;
5674       gd_y1 = gd->src_y;
5675       gd_x2 = gd->src_x + gd->pressed_xoffset;
5676       gd_y2 = gd->src_y + gd->pressed_yoffset;
5677
5678       sprintf(infotext, "%s counter value by 1, 5 or 10",
5679               (j == 0 ? "decrease" : "increase"));
5680
5681       gi = CreateGadget(GDI_CUSTOM_ID, id,
5682                         GDI_CUSTOM_TYPE_ID, i,
5683                         GDI_INFO_TEXT, infotext,
5684                         GDI_X, x,
5685                         GDI_Y, y,
5686                         GDI_WIDTH, gd->width,
5687                         GDI_HEIGHT, gd->height,
5688                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
5689                         GDI_STATE, GD_BUTTON_UNPRESSED,
5690                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5691                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5692                         GDI_EVENT_MASK, event_mask,
5693                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5694                         GDI_CALLBACK_ACTION, HandleCounterButtons,
5695                         GDI_END);
5696
5697       if (gi == NULL)
5698         Error(ERR_EXIT, "cannot create gadget");
5699
5700       level_editor_gadget[id] = gi;
5701       right_gadget_border[id] =
5702         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5703
5704       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
5705
5706       if (j == 0)
5707       {
5708         int font_type = FONT_INPUT_1;
5709         int font_type_active = FONT_INPUT_1_ACTIVE;
5710
5711         id = counterbutton_info[i].gadget_id_text;
5712
5713         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5714
5715         if (i == ED_COUNTER_ID_SELECT_LEVEL)
5716         {
5717           graphic = IMG_EDITOR_INPUT_GFX_LEVEL_NUMBER;
5718
5719           font_type = FONT_LEVEL_NUMBER;
5720           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
5721
5722           x = DX + editor.input.level_number.x;
5723           y = DY + editor.input.level_number.y;
5724         }
5725         else
5726         {
5727           graphic = IMG_EDITOR_COUNTER_INPUT;
5728         }
5729
5730         gd = &graphic_info[graphic];
5731
5732         gd_x1 = gd->src_x;
5733         gd_y1 = gd->src_y;
5734         gd_x2 = gd->src_x + gd->active_xoffset;
5735         gd_y2 = gd->src_y + gd->active_yoffset;
5736
5737         gi = CreateGadget(GDI_CUSTOM_ID, id,
5738                           GDI_CUSTOM_TYPE_ID, i,
5739                           GDI_INFO_TEXT, "enter counter value",
5740                           GDI_X, x,
5741                           GDI_Y, y,
5742                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
5743                           GDI_NUMBER_VALUE, 0,
5744                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
5745                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
5746                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
5747                           GDI_TEXT_FONT, font_type,
5748                           GDI_TEXT_FONT_ACTIVE, font_type_active,
5749                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5750                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5751                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5752                           GDI_DESIGN_WIDTH, gd->width,
5753                           GDI_EVENT_MASK, event_mask,
5754                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5755                           GDI_CALLBACK_ACTION, HandleCounterButtons,
5756                           GDI_END);
5757
5758         if (gi == NULL)
5759           Error(ERR_EXIT, "cannot create gadget");
5760
5761         level_editor_gadget[id] = gi;
5762         right_gadget_border[id] =
5763           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
5764
5765         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
5766       }
5767     }
5768   }
5769 }
5770
5771 static void CreateDrawingAreas()
5772 {
5773   int i;
5774
5775   /* these values are not constant, but can change at runtime */
5776   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
5777   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
5778
5779   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
5780   {
5781     struct GadgetInfo *gi;
5782     unsigned int event_mask;
5783     int id = drawingarea_info[i].gadget_id;
5784     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
5785     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
5786     int area_xsize = drawingarea_info[i].area_xsize;
5787     int area_ysize = drawingarea_info[i].area_ysize;
5788     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
5789                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
5790
5791     event_mask =
5792       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
5793       GD_EVENT_OFF_BORDERS;
5794
5795     /* determine horizontal position to the right of specified gadget */
5796     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
5797       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
5798            ED_DRAWINGAREA_TEXT_DISTANCE);
5799
5800     /* determine horizontal offset for leading text */
5801     if (drawingarea_info[i].text_left != NULL)
5802       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
5803
5804     gi = CreateGadget(GDI_CUSTOM_ID, id,
5805                       GDI_CUSTOM_TYPE_ID, i,
5806                       GDI_X, x,
5807                       GDI_Y, y,
5808                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
5809                       GDI_AREA_SIZE, area_xsize, area_ysize,
5810                       GDI_ITEM_SIZE, item_size, item_size,
5811                       GDI_EVENT_MASK, event_mask,
5812                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
5813                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
5814                       GDI_END);
5815
5816     if (gi == NULL)
5817       Error(ERR_EXIT, "cannot create gadget");
5818
5819     level_editor_gadget[id] = gi;
5820     right_gadget_border[id] =
5821       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
5822   }
5823 }
5824
5825 static void CreateTextInputGadgets()
5826 {
5827   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
5828   int max_infotext_len = getMaxInfoTextLength();
5829   int i;
5830
5831   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
5832   {
5833     int gd_x1 = gd->src_x;
5834     int gd_y1 = gd->src_y;
5835     int gd_x2 = gd->src_x + gd->active_xoffset;
5836     int gd_y2 = gd->src_y + gd->active_yoffset;
5837     struct GadgetInfo *gi;
5838     unsigned int event_mask;
5839     char infotext[MAX_OUTPUT_LINESIZE + 1];
5840     int id = textinput_info[i].gadget_id;
5841     int x, y;
5842
5843     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
5844     {
5845       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
5846       int border_size = gd->border_size;
5847       int font_nr = FONT_INPUT_1;
5848       int font_height = getFontHeight(font_nr);
5849       int xoffset = element_border + TILEX + element_border + 3 * border_size;
5850       int yoffset = element_border + (TILEY - font_height) / 2;
5851
5852       x = (editor.settings.element_name.x != -1 ?
5853            editor.settings.element_name.x :
5854            editor.settings.element_graphic.x + xoffset) - border_size;
5855       y = (editor.settings.element_name.y != -1 ?
5856            editor.settings.element_name.y :
5857            editor.settings.element_graphic.y + yoffset) - border_size;
5858     }
5859     else
5860     {
5861       x = ED_SETTINGS_X(textinput_info[i].x);
5862       y = ED_SETTINGS_Y(textinput_info[i].y);
5863     }
5864
5865     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5866
5867     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
5868     infotext[max_infotext_len] = '\0';
5869
5870     gi = CreateGadget(GDI_CUSTOM_ID, id,
5871                       GDI_CUSTOM_TYPE_ID, i,
5872                       GDI_INFO_TEXT, infotext,
5873                       GDI_X, SX + x,
5874                       GDI_Y, SY + y,
5875                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
5876                       GDI_TEXT_VALUE, textinput_info[i].value,
5877                       GDI_TEXT_SIZE, textinput_info[i].size,
5878                       GDI_TEXT_FONT, FONT_INPUT_1,
5879                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5880                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5881                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5882                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5883                       GDI_DESIGN_WIDTH, gd->width,
5884                       GDI_EVENT_MASK, event_mask,
5885                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5886                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
5887                       GDI_END);
5888
5889     if (gi == NULL)
5890       Error(ERR_EXIT, "cannot create gadget");
5891
5892     level_editor_gadget[id] = gi;
5893   }
5894 }
5895
5896 static void CreateTextAreaGadgets()
5897 {
5898   int max_infotext_len = getMaxInfoTextLength();
5899   int i;
5900
5901   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
5902   {
5903     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
5904     int gd_x1 = gd->src_x;
5905     int gd_y1 = gd->src_y;
5906     int gd_x2 = gd->src_x + gd->active_xoffset;
5907     int gd_y2 = gd->src_y + gd->active_yoffset;
5908     struct GadgetInfo *gi;
5909     unsigned int event_mask;
5910     char infotext[MAX_OUTPUT_LINESIZE + 1];
5911     int id = textarea_info[i].gadget_id;
5912     int area_xsize = textarea_info[i].xsize;
5913     int area_ysize = textarea_info[i].ysize;
5914
5915     event_mask = GD_EVENT_TEXT_LEAVING;
5916
5917     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
5918     infotext[max_infotext_len] = '\0';
5919
5920     gi = CreateGadget(GDI_CUSTOM_ID, id,
5921                       GDI_CUSTOM_TYPE_ID, i,
5922                       GDI_INFO_TEXT, infotext,
5923                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
5924                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
5925                       GDI_TYPE, GD_TYPE_TEXT_AREA,
5926                       GDI_AREA_SIZE, area_xsize, area_ysize,
5927                       GDI_TEXT_FONT, FONT_INPUT_1,
5928                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
5929                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
5930                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
5931                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
5932                       GDI_DESIGN_WIDTH, gd->width,
5933                       GDI_EVENT_MASK, event_mask,
5934                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
5935                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
5936                       GDI_END);
5937
5938     if (gi == NULL)
5939       Error(ERR_EXIT, "cannot create gadget");
5940
5941     level_editor_gadget[id] = gi;
5942   }
5943 }
5944
5945 static void CreateSelectboxGadgets()
5946 {
5947   int max_infotext_len = getMaxInfoTextLength();
5948   int i, j;
5949
5950   for (i = 0; i < ED_NUM_SELECTBOX; i++)
5951   {
5952     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
5953     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
5954     int gd_x1 = gd->src_x;
5955     int gd_y1 = gd->src_y;
5956     int gd_x2 = gd->src_x + gd->active_xoffset;
5957     int gd_y2 = gd->src_y + gd->active_yoffset;
5958     int selectbox_button_xsize = gd2->width;
5959     struct GadgetInfo *gi;
5960     unsigned int event_mask;
5961     char infotext[MAX_OUTPUT_LINESIZE + 1];
5962     int id = selectbox_info[i].gadget_id;
5963     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
5964     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
5965
5966     if (selectbox_info[i].size == -1)   /* dynamically determine size */
5967     {
5968       /* (we cannot use -1 for uninitialized values if we directly compare
5969          with results from strlen(), because the '<' and '>' operation will
5970          implicitely cast -1 to an unsigned integer value!) */
5971       selectbox_info[i].size = 0;
5972
5973       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
5974         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
5975           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
5976
5977       selectbox_info[i].size++;         /* add one character empty space */
5978     }
5979
5980     event_mask = GD_EVENT_RELEASED |
5981       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
5982
5983     /* determine horizontal position to the right of specified gadget */
5984     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
5985       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
5986            ED_GADGET_TEXT_DISTANCE);
5987
5988     /* determine horizontal offset for leading text */
5989     if (selectbox_info[i].text_left != NULL)
5990       x += getTextWidthForGadget(selectbox_info[i].text_left);
5991
5992     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
5993     infotext[max_infotext_len] = '\0';
5994
5995     gi = CreateGadget(GDI_CUSTOM_ID, id,
5996                       GDI_CUSTOM_TYPE_ID, i,
5997                       GDI_INFO_TEXT, infotext,
5998                       GDI_X, x,
5999                       GDI_Y, y,
6000                       GDI_TYPE, GD_TYPE_SELECTBOX,
6001                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6002                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6003                       GDI_TEXT_SIZE, selectbox_info[i].size,
6004                       GDI_TEXT_FONT, FONT_INPUT_1,
6005                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6006                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6007                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6008                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6009                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6010                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6011                       GDI_DESIGN_WIDTH, gd->width,
6012                       GDI_EVENT_MASK, event_mask,
6013                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6014                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6015                       GDI_END);
6016
6017     if (gi == NULL)
6018       Error(ERR_EXIT, "cannot create gadget");
6019
6020     level_editor_gadget[id] = gi;
6021     right_gadget_border[id] =
6022       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6023   }
6024 }
6025
6026 static void CreateTextbuttonGadgets()
6027 {
6028   int max_infotext_len = getMaxInfoTextLength();
6029   int i;
6030
6031   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6032   {
6033     int id = textbutton_info[i].gadget_id;
6034     int is_tab_button =
6035       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6036        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6037     int graphic =
6038       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6039     int gadget_distance =
6040       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6041     struct GraphicInfo *gd = &graphic_info[graphic];
6042     int gd_x1 = gd->src_x;
6043     int gd_y1 = gd->src_y;
6044     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6045     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6046     int gd_x1a = gd->src_x + gd->active_xoffset;
6047     int gd_y1a = gd->src_y + gd->active_yoffset;
6048     int border_xsize = gd->border_size + gd->draw_xoffset;
6049     int border_ysize = gd->border_size;
6050     struct GadgetInfo *gi;
6051     unsigned int event_mask;
6052     char infotext[MAX_OUTPUT_LINESIZE + 1];
6053     int x = SX + ED_TAB_SETTINGS_X(textbutton_info[i].x);
6054     int y = SY + ED_TAB_SETTINGS_Y(textbutton_info[i].y);
6055
6056     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6057       textbutton_info[i].size = strlen(textbutton_info[i].text);
6058
6059     event_mask = GD_EVENT_RELEASED;
6060
6061     sprintf(infotext, "%s", textbutton_info[i].infotext);
6062     infotext[max_infotext_len] = '\0';
6063
6064     /* determine horizontal position to the right of specified gadget */
6065     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6066     {
6067       int gadget_id_align = textbutton_info[i].gadget_id_align;
6068
6069       x = right_gadget_border[gadget_id_align] + gadget_distance;
6070
6071       if (textbutton_info[i].y == -1)
6072         y = level_editor_gadget[gadget_id_align]->y;
6073     }
6074
6075     /* determine horizontal offset for leading text */
6076     if (textbutton_info[i].text_left != NULL)
6077       x += getTextWidthForGadget(textbutton_info[i].text_left);
6078
6079     gi = CreateGadget(GDI_CUSTOM_ID, id,
6080                       GDI_CUSTOM_TYPE_ID, i,
6081                       GDI_INFO_TEXT, infotext,
6082                       GDI_X, x,
6083                       GDI_Y, y,
6084                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6085                       GDI_TEXT_VALUE, textbutton_info[i].text,
6086                       GDI_TEXT_SIZE, textbutton_info[i].size,
6087                       GDI_TEXT_FONT, FONT_INPUT_2,
6088                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6089                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6090                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6091                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6092                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6093                       GDI_DESIGN_WIDTH, gd->width,
6094                       GDI_DECORATION_SHIFTING, 1, 1,
6095                       GDI_EVENT_MASK, event_mask,
6096                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6097                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6098                       GDI_END);
6099
6100     if (gi == NULL)
6101       Error(ERR_EXIT, "cannot create gadget");
6102
6103     level_editor_gadget[id] = gi;
6104     right_gadget_border[id] =
6105       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6106   }
6107 }
6108
6109 static void CreateGraphicbuttonGadgets()
6110 {
6111   struct GadgetInfo *gi;
6112   unsigned int event_mask;
6113   int i;
6114
6115   /* create buttons for scrolling of drawing area and element list */
6116   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6117   {
6118     int id = graphicbutton_info[i].gadget_id;
6119     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6120     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6121     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6122     int gd_x1 = gd->src_x;
6123     int gd_y1 = gd->src_y;
6124     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6125     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6126
6127     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6128
6129     /* determine horizontal position to the right of specified gadget */
6130     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6131       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6132            ED_GADGET_TEXT_DISTANCE);
6133
6134     /* determine horizontal offset for leading text */
6135     if (graphicbutton_info[i].text_left != NULL)
6136       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6137
6138     gi = CreateGadget(GDI_CUSTOM_ID, id,
6139                       GDI_CUSTOM_TYPE_ID, i,
6140                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6141                       GDI_X, x,
6142                       GDI_Y, y,
6143                       GDI_WIDTH, gd->width,
6144                       GDI_HEIGHT, gd->height,
6145                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6146                       GDI_STATE, GD_BUTTON_UNPRESSED,
6147                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6148                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6149                       GDI_EVENT_MASK, event_mask,
6150                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6151                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6152                       GDI_END);
6153
6154     if (gi == NULL)
6155       Error(ERR_EXIT, "cannot create gadget");
6156
6157     level_editor_gadget[id] = gi;
6158     right_gadget_border[id] =
6159       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6160   }
6161 }
6162
6163 static void CreateScrollbarGadgets()
6164 {
6165   int i;
6166
6167   /* these values are not constant, but can change at runtime */
6168   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6169     SX + ED_SCROLL_HORIZONTAL_XPOS;
6170   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6171     SY + ED_SCROLL_HORIZONTAL_YPOS;
6172   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6173     ED_SCROLL_HORIZONTAL_XSIZE;
6174   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6175     ED_SCROLL_HORIZONTAL_YSIZE;
6176   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6177   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6178   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6179   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6180
6181   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6182     SX + ED_SCROLL_VERTICAL_XPOS;
6183   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6184     SY + ED_SCROLL_VERTICAL_YPOS;
6185   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6186     ED_SCROLL_VERTICAL_XSIZE;
6187   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6188     ED_SCROLL_VERTICAL_YSIZE;
6189   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6190   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6191   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6192   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6193
6194   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6195     DX + ED_SCROLL2_VERTICAL_XPOS;
6196   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6197     DY + ED_SCROLL2_VERTICAL_YPOS;
6198   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6199     ED_SCROLL2_VERTICAL_XSIZE;
6200   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6201     ED_SCROLL2_VERTICAL_YSIZE;
6202   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = DX;
6203   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = DY;
6204   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = DXSIZE;
6205   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = DYSIZE;
6206
6207   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6208   {
6209     int id = scrollbar_info[i].gadget_id;
6210     int graphic = scrollbar_info[i].graphic;
6211     struct GraphicInfo *gd = &graphic_info[graphic];
6212     int gd_x1 = gd->src_x;
6213     int gd_y1 = gd->src_y;
6214     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6215     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6216     struct GadgetInfo *gi;
6217     int items_max, items_visible, item_position;
6218     unsigned int event_mask;
6219
6220     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6221     {
6222       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6223       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6224       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6225     }
6226     else        /* drawing area scrollbars */
6227     {
6228       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6229       {
6230         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6231         items_visible = ed_fieldx;
6232         item_position = 0;
6233       }
6234       else
6235       {
6236         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6237         items_visible = ed_fieldy;
6238         item_position = 0;
6239       }
6240     }
6241
6242     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6243
6244     gi = CreateGadget(GDI_CUSTOM_ID, id,
6245                       GDI_CUSTOM_TYPE_ID, i,
6246                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6247                       GDI_X, scrollbar_pos[i].x,
6248                       GDI_Y, scrollbar_pos[i].y,
6249                       GDI_WIDTH, scrollbar_pos[i].width,
6250                       GDI_HEIGHT, scrollbar_pos[i].height,
6251                       GDI_TYPE, scrollbar_info[i].type,
6252                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6253                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6254                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6255                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6256                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6257                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6258                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6259                       GDI_STATE, GD_BUTTON_UNPRESSED,
6260                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6261                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6262                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6263                       GDI_EVENT_MASK, event_mask,
6264                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6265                       GDI_CALLBACK_ACTION, HandleControlButtons,
6266                       GDI_END);
6267
6268     if (gi == NULL)
6269       Error(ERR_EXIT, "cannot create gadget");
6270
6271     level_editor_gadget[id] = gi;
6272   }
6273 }
6274
6275 static void CreateCheckbuttonGadgets()
6276 {
6277   struct GadgetInfo *gi;
6278   unsigned int event_mask;
6279   int i;
6280
6281   event_mask = GD_EVENT_PRESSED;
6282
6283   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6284   {
6285     int id = checkbutton_info[i].gadget_id;
6286     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6287                    IMG_EDITOR_CHECKBOX);
6288     struct GraphicInfo *gd = &graphic_info[graphic];
6289     int gd_x1 = gd->src_x;
6290     int gd_y1 = gd->src_y;
6291     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6292     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6293     int gd_x1a = gd->src_x + gd->active_xoffset;
6294     int gd_y1a = gd->src_y + gd->active_yoffset;
6295     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6296     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6297     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6298     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6299
6300     /* determine horizontal position to the right of specified gadget */
6301     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6302       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6303            ED_GADGET_TEXT_DISTANCE);
6304
6305     /* determine horizontal offset for leading text */
6306     if (checkbutton_info[i].text_left != NULL)
6307       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6308
6309     gi = CreateGadget(GDI_CUSTOM_ID, id,
6310                       GDI_CUSTOM_TYPE_ID, i,
6311                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6312                       GDI_X, x,
6313                       GDI_Y, y,
6314                       GDI_WIDTH, gd->width,
6315                       GDI_HEIGHT, gd->height,
6316                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6317                       GDI_CHECKED, *checkbutton_info[i].value,
6318                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6319                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6320                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6321                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6322                       GDI_EVENT_MASK, event_mask,
6323                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6324                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6325                       GDI_END);
6326
6327     if (gi == NULL)
6328       Error(ERR_EXIT, "cannot create gadget");
6329
6330     level_editor_gadget[id] = gi;
6331     right_gadget_border[id] =
6332       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6333   }
6334 }
6335
6336 static void CreateRadiobuttonGadgets()
6337 {
6338   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6339   int gd_x1 = gd->src_x;
6340   int gd_y1 = gd->src_y;
6341   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6342   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6343   int gd_x1a = gd->src_x + gd->active_xoffset;
6344   int gd_y1a = gd->src_y + gd->active_yoffset;
6345   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6346   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6347   struct GadgetInfo *gi;
6348   unsigned int event_mask;
6349   int i;
6350
6351   event_mask = GD_EVENT_PRESSED;
6352
6353   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6354   {
6355     int id = radiobutton_info[i].gadget_id;
6356     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6357     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6358
6359     int checked =
6360       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6361
6362     /* determine horizontal position to the right of specified gadget */
6363     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6364       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
6365            ED_GADGET_TEXT_DISTANCE);
6366
6367     /* determine horizontal offset for leading text */
6368     if (radiobutton_info[i].text_left != NULL)
6369       x += getTextWidthForGadget(radiobutton_info[i].text_left);
6370
6371     gi = CreateGadget(GDI_CUSTOM_ID, id,
6372                       GDI_CUSTOM_TYPE_ID, i,
6373                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
6374                       GDI_X, x,
6375                       GDI_Y, y,
6376                       GDI_WIDTH, gd->width,
6377                       GDI_HEIGHT, gd->height,
6378                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
6379                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
6380                       GDI_CHECKED, checked,
6381                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6382                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6383                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6384                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6385                       GDI_EVENT_MASK, event_mask,
6386                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6387                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
6388                       GDI_END);
6389
6390     if (gi == NULL)
6391       Error(ERR_EXIT, "cannot create gadget");
6392
6393     level_editor_gadget[id] = gi;
6394     right_gadget_border[id] =
6395       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
6396   }
6397 }
6398
6399 void CreateLevelEditorGadgets()
6400 {
6401   int old_game_status = game_status;
6402
6403   /* setting 'game_status' is needed to get the right fonts for the editor */
6404   game_status = GAME_MODE_EDITOR;
6405
6406   /* these values are not constant, but can change at runtime */
6407   ed_fieldx = MAX_ED_FIELDX - 1;
6408   ed_fieldy = MAX_ED_FIELDY - 1;
6409
6410   num_editor_gadgets = NUM_EDITOR_GADGETS;
6411
6412   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
6413
6414   level_editor_gadget =
6415     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
6416   right_gadget_border =
6417     checked_calloc(num_editor_gadgets * sizeof(int));
6418
6419   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
6420   editor_el_empty_ptr = editor_el_empty;
6421
6422   ReinitializeElementList();
6423
6424   CreateControlButtons();
6425   CreateScrollbarGadgets();
6426
6427   /* order of function calls is important because of cross-references */
6428   CreateCheckbuttonGadgets();
6429   CreateCounterButtons();
6430   CreateRadiobuttonGadgets();
6431   CreateTextInputGadgets();
6432   CreateTextAreaGadgets();
6433   CreateSelectboxGadgets();
6434   CreateGraphicbuttonGadgets();
6435   CreateTextbuttonGadgets();
6436   CreateDrawingAreas();
6437
6438   game_status = old_game_status;
6439 }
6440
6441 void FreeLevelEditorGadgets()
6442 {
6443   int i;
6444
6445   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
6446
6447   for (i = 0; i < num_editor_gadgets; i++)
6448   {
6449     FreeGadget(level_editor_gadget[i]);
6450
6451     level_editor_gadget[i] = NULL;
6452   }
6453
6454   checked_free(level_editor_gadget);
6455   checked_free(right_gadget_border);
6456
6457   checked_free(editor_el_empty);
6458 }
6459
6460 static void MapCounterButtons(int id)
6461 {
6462   int font_nr = FONT_TEXT_1;
6463   int font_height = getFontHeight(font_nr);
6464   int gadget_id_down = counterbutton_info[id].gadget_id_down;
6465   int gadget_id_text = counterbutton_info[id].gadget_id_text;
6466   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
6467   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
6468   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
6469   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
6470   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
6471   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6472   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6473   int yoffset = (gi_down->height - font_height) / 2;
6474   int x_left = gi_down->x - xoffset_left;
6475   int x_right;  /* set after gadget position was modified */
6476   int y_above = gi_down->y - yoffset_above;
6477   int x = gi_down->x;
6478   int y;        /* set after gadget position was modified */
6479
6480   /* counter limits must be changed first to prevent value truncation */
6481   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
6482                             counterbutton_info[id].max_value);
6483
6484   /* right text position might have changed after setting position above */
6485   x_right = gi_up->x + gi_up->width + xoffset_right;
6486
6487   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
6488
6489   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
6490   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
6491       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
6492   {
6493     ModifyGadget(gi_down, GDI_Y,
6494                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6495     ModifyGadget(gi_text, GDI_Y,
6496                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6497     ModifyGadget(gi_up,   GDI_Y,
6498                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
6499   }
6500
6501   /* vertical position might have changed after setting position above */
6502   y = gi_up->y + yoffset;
6503
6504   if (counterbutton_info[id].text_above)
6505     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
6506
6507   if (counterbutton_info[id].text_left)
6508     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
6509
6510   if (counterbutton_info[id].text_right)
6511     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
6512
6513   MapGadget(gi_down);
6514   MapGadget(gi_text);
6515   MapGadget(gi_up);
6516 }
6517
6518 static void MapControlButtons()
6519 {
6520   int counter_id;
6521   int i;
6522
6523   /* map toolbox buttons (excluding special CE toolbox buttons) */
6524   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
6525     MapGadget(level_editor_gadget[i]);
6526
6527   /* map toolbox buttons (element properties button) */
6528   MapGadget(level_editor_gadget[ED_NUM_CTRL1_4_BUTTONS]);
6529
6530   /* map buttons to select elements */
6531   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6532     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
6533   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
6534   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
6535   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
6536
6537   /* map buttons to select level */
6538   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
6539   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
6540   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
6541   MapCounterButtons(counter_id);
6542 }
6543
6544 static void MapDrawingArea(int id)
6545 {
6546   int font_nr = FONT_TEXT_1;
6547   int font_height = getFontHeight(font_nr);
6548   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6549   int area_xsize = gi->drawing.area_xsize;
6550   int area_ysize = gi->drawing.area_ysize;
6551   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
6552   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
6553   int x_left  = gi->x - xoffset_left;
6554   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
6555   int x_below = gi->x + (gi->width - xoffset_below) / 2;
6556   int y_side  = gi->y + (gi->height - font_height) / 2;
6557   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
6558
6559   if (drawingarea_info[id].text_left)
6560     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
6561
6562   if (drawingarea_info[id].text_right)
6563     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
6564
6565   if (drawingarea_info[id].text_below)
6566     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
6567
6568   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
6569   {
6570     DrawElementBorder(gi->x, gi->y,
6571                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
6572                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
6573
6574     DrawDrawingArea(id);
6575   }
6576
6577   MapGadget(gi);
6578 }
6579
6580 static void MapTextInputGadget(int id)
6581 {
6582   int font_nr = FONT_TEXT_1;
6583   int font_height = getFontHeight(font_nr);
6584   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
6585   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6586   int x_above = ED_SETTINGS_X(textinput_info[id].x);
6587   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
6588
6589   if (textinput_info[id].text_above)
6590     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
6591
6592   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
6593
6594   MapGadget(gi);
6595 }
6596
6597 static void MapTextAreaGadget(int id)
6598 {
6599   int font_nr = FONT_TEXT_1;
6600   int font_height = getFontHeight(font_nr);
6601   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
6602   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
6603   int x_above = ED_SETTINGS_X(textarea_info[id].x);
6604   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
6605
6606   if (textarea_info[id].text_above)
6607     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
6608
6609   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
6610
6611   MapGadget(gi);
6612 }
6613
6614 static void MapSelectboxGadget(int id)
6615 {
6616   int font_nr = FONT_TEXT_1;
6617   int font_height = getFontHeight(font_nr);
6618   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
6619   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
6620   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6621   int yoffset = (gi->height - font_height) / 2;
6622   int x_left = gi->x - xoffset_left;
6623   int x_right = gi->x + gi->width + xoffset_right;
6624   int y = gi->y + yoffset;
6625
6626   if (selectbox_info[id].text_left)
6627     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
6628
6629   if (selectbox_info[id].text_right)
6630     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
6631
6632   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
6633
6634   MapGadget(gi);
6635 }
6636
6637 static void MapTextbuttonGadget(int id)
6638 {
6639   int font_nr = FONT_TEXT_1;
6640   int font_height = getFontHeight(font_nr);
6641   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
6642   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
6643   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6644   int yoffset = (gi->height - font_height) / 2;
6645   int x_left = gi->x - xoffset_left;
6646   int x_right = gi->x + gi->width + xoffset_right;
6647   int y = gi->y + yoffset;
6648
6649   /* only show button to delete change pages when more than minimum pages */
6650   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
6651       custom_element.num_change_pages == MIN_CHANGE_PAGES)
6652     return;
6653
6654   if (textbutton_info[id].text_left)
6655     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
6656
6657   if (textbutton_info[id].text_right)
6658     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
6659
6660   MapGadget(gi);
6661 }
6662
6663 static void MapGraphicbuttonGadget(int id)
6664 {
6665   int font_nr = FONT_TEXT_1;
6666   int font_height = getFontHeight(font_nr);
6667   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
6668   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
6669   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6670   int yoffset = (gi->height - font_height) / 2;
6671   int x_left = gi->x - xoffset_left;
6672   int x_right = gi->x + gi->width + xoffset_right;
6673   int y = gi->y + yoffset;
6674
6675   if (graphicbutton_info[id].text_left)
6676     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
6677
6678   if (graphicbutton_info[id].text_right)
6679     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
6680
6681   MapGadget(gi);
6682 }
6683
6684 static void MapRadiobuttonGadget(int id)
6685 {
6686   int font_nr = FONT_TEXT_1;
6687   int font_height = getFontHeight(font_nr);
6688   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
6689   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6690   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6691   int yoffset = (gi->height - font_height) / 2;
6692   int x_left = gi->x - xoffset_left;
6693   int x_right = gi->x + gi->width + xoffset_right;
6694   int y = gi->y + yoffset;
6695   boolean checked =
6696     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
6697
6698   if (radiobutton_info[id].text_left)
6699     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
6700
6701   if (radiobutton_info[id].text_right)
6702     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
6703
6704   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
6705
6706   MapGadget(gi);
6707 }
6708
6709 static void MapCheckbuttonGadget(int id)
6710 {
6711   int font_nr = FONT_TEXT_1;
6712   int font_height = getFontHeight(font_nr);
6713   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
6714   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
6715   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
6716   int yoffset = (gi->height - font_height) / 2;
6717   int x_left, x_right, y;       /* set after gadget position was modified */
6718
6719   /* set position for gadgets with dynamically determined position */
6720   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
6721     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
6722   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
6723
6724   x_left = gi->x - xoffset_left;
6725   x_right = gi->x + gi->width + xoffset_right;
6726   y = gi->y + yoffset;
6727
6728   if (checkbutton_info[id].text_left)
6729     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
6730
6731   if (checkbutton_info[id].text_right)
6732     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
6733
6734   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
6735
6736   MapGadget(gi);
6737 }
6738
6739 static void MapMainDrawingArea()
6740 {
6741   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
6742   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
6743   int i;
6744
6745   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
6746   {
6747     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
6748           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
6749          no_horizontal_scrollbar) ||
6750         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
6751           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
6752          no_vertical_scrollbar))
6753       continue;
6754
6755     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
6756   }
6757
6758   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
6759   {
6760     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
6761         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
6762       continue;
6763
6764     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
6765   }
6766
6767   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
6768 }
6769
6770 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
6771 {
6772   int i;
6773
6774   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6775   {
6776     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
6777         i == GADGET_ID_CUSTOM_COPY_TO ||
6778         i == GADGET_ID_CUSTOM_EXCHANGE ||
6779         i == GADGET_ID_CUSTOM_COPY ||
6780         i == GADGET_ID_CUSTOM_PASTE)
6781     {
6782       if (map)
6783         MapGadget(level_editor_gadget[i]);
6784       else
6785         UnmapGadget(level_editor_gadget[i]);
6786     }
6787   }
6788 }
6789
6790 static void MapLevelEditorToolboxCustomGadgets()
6791 {
6792   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
6793 }
6794
6795 static void UnmapLevelEditorToolboxCustomGadgets()
6796 {
6797   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
6798 }
6799
6800 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
6801 {
6802   int i;
6803
6804   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
6805   {
6806     if (i != GADGET_ID_SINGLE_ITEMS &&
6807         i != GADGET_ID_PICK_ELEMENT)
6808     {
6809       struct GadgetInfo *gi = level_editor_gadget[i];
6810
6811       if (map)
6812       {
6813         MapGadget(gi);
6814       }
6815       else
6816       {
6817         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
6818         struct GraphicInfo *gd = &graphic_info[graphic];
6819
6820         UnmapGadget(gi);
6821
6822         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
6823                    gi->width, gi->height, gi->x, gi->y);
6824
6825         redraw_mask |= REDRAW_DOOR_3;
6826       }
6827     }
6828   }
6829 }
6830
6831 static void MapLevelEditorToolboxDrawingGadgets()
6832 {
6833   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
6834 }
6835
6836 static void UnmapLevelEditorToolboxDrawingGadgets()
6837 {
6838   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
6839 }
6840
6841 static void UnmapDrawingArea(int id)
6842 {
6843   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
6844 }
6845
6846 static void UnmapLevelEditorFieldGadgets()
6847 {
6848   int i;
6849
6850   for (i = 0; i < num_editor_gadgets; i++)
6851     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
6852                           level_editor_gadget[i]->y))
6853       UnmapGadget(level_editor_gadget[i]);
6854 }
6855
6856 void UnmapLevelEditorGadgets()
6857 {
6858   int i;
6859
6860   for (i = 0; i < num_editor_gadgets; i++)
6861     UnmapGadget(level_editor_gadget[i]);
6862 }
6863
6864 static void ResetUndoBuffer()
6865 {
6866   undo_buffer_position = -1;
6867   undo_buffer_steps = -1;
6868   redo_buffer_steps = 0;
6869
6870   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
6871
6872   level.changed = FALSE;
6873 }
6874
6875 static void DrawEditModeWindow()
6876 {
6877   ModifyEditorElementList();
6878   RedrawDrawingElements();
6879
6880   if (edit_mode == ED_MODE_INFO)
6881     DrawLevelInfoWindow();
6882   else if (edit_mode == ED_MODE_PROPERTIES)
6883     DrawPropertiesWindow();
6884   else  /* edit_mode == ED_MODE_DRAWING */
6885     DrawDrawingWindow();
6886 }
6887
6888 static boolean LevelChanged()
6889 {
6890   boolean field_changed = FALSE;
6891   int x, y;
6892
6893   for (y = 0; y < lev_fieldy; y++)
6894     for (x = 0; x < lev_fieldx; x++)
6895       if (Feld[x][y] != level.field[x][y])
6896         field_changed = TRUE;
6897
6898   return (level.changed || field_changed);
6899 }
6900
6901 static boolean PrepareSavingIntoPersonalLevelSet()
6902 {
6903   static LevelDirTree *last_copied_leveldir = NULL;
6904   static LevelDirTree *last_written_leveldir = NULL;
6905   static int last_copied_level_nr = -1;
6906   static int last_written_level_nr = -1;
6907   LevelDirTree *leveldir_former = leveldir_current;
6908   int level_nr_former = level_nr;
6909   int new_level_nr;
6910
6911   // remember last mod/save so that for current session, we write
6912   // back to the same personal copy, asking only about overwrite.
6913   if (leveldir_current == last_copied_leveldir &&
6914       level_nr == last_copied_level_nr)
6915   {
6916     // "cd" to personal level set dir (as used when writing last copy)
6917     leveldir_current = last_written_leveldir;
6918     level_nr = last_written_level_nr;
6919
6920     return TRUE;
6921   }
6922
6923   if (!Request("This level is read only! "
6924                "Save into personal level set?", REQ_ASK))
6925     return FALSE;
6926
6927   // "cd" to personal level set dir (for writing copy the first time)
6928   leveldir_current =
6929     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
6930
6931   // find unused level number
6932   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
6933   {
6934     static char *level_filename = NULL;
6935
6936     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
6937
6938     if (!fileExists(level_filename))
6939       break;
6940   }
6941
6942   last_copied_leveldir = leveldir_former;
6943   last_copied_level_nr = level_nr_former;
6944
6945   last_written_leveldir = leveldir_current;
6946   last_written_level_nr = level_nr = new_level_nr;
6947
6948   return TRUE;
6949 }
6950
6951 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
6952 {
6953   static char *filename_levelinfo = NULL, *mod_name = NULL;
6954   FILE *file;
6955
6956   // annotate this copy-and-mod in personal levelinfo.conf
6957   setString(&filename_levelinfo,
6958             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
6959
6960   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
6961   {
6962     fprintf(file, "\n");
6963     fprintf(file, "# level %d was modified from:\n", level_nr);
6964     fprintf(file, "# - previous level set name:    %s\n",
6965             former_name);
6966     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
6967             level.file_info.nr, level.name);
6968     fprintf(file, "# - previous author:            %s\n",
6969             level.author);
6970     fprintf(file, "# - previous save date:         ");
6971
6972     if (level.creation_date.src == DATE_SRC_LEVELFILE)
6973     {
6974       fprintf(file, "%04d-%02d-%02d\n",
6975               level.creation_date.year,
6976               level.creation_date.month,
6977               level.creation_date.day);
6978     }
6979     else
6980     {
6981       fprintf(file, "not recorded\n");
6982     }
6983
6984     fclose(file);
6985   }
6986
6987   if (level_nr > leveldir_current->last_level)
6988   {
6989     static char *temp_levelinfo = NULL;
6990     FILE *temp_file = NULL;
6991     char line[MAX_LINE_LEN];
6992
6993     setString(&temp_levelinfo,
6994               getPath2(getCurrentLevelDir(),
6995                        getStringCat2(LEVELINFO_FILENAME, ".new")));
6996
6997     if ((file = fopen(filename_levelinfo, MODE_READ)) &&
6998         (temp_file = fopen(temp_levelinfo, MODE_WRITE)))
6999     {
7000       while (fgets(line, MAX_LINE_LEN, file))
7001       {
7002         if (!strPrefix(line, "levels:"))
7003           fputs(line, temp_file);
7004         else
7005           fprintf(temp_file, "%-32s%d\n", "levels:", level_nr + 9);
7006       }
7007     }
7008
7009     if (temp_file)
7010       fclose(temp_file);
7011
7012     if (file)
7013       fclose(file);
7014
7015     // needs error handling; also, ok on dos/win?
7016     unlink(filename_levelinfo);
7017     rename(temp_levelinfo, filename_levelinfo);
7018   }
7019
7020   // else: allow the save even if annotation failed
7021
7022   // now... spray graffiti on the old level vital statistics
7023   // user can change these; just trying to set a good baseline
7024
7025   // don't truncate names for fear of making offensive or silly:
7026   // long-named original author only recorded in levelinfo.conf.
7027   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7028   if (!strEqual(level.author, leveldir_current->author))
7029   {
7030     setString(&mod_name, getStringCat3(leveldir_current->author,
7031                                        " after ", level.author));
7032
7033     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7034       setString(&mod_name,
7035                 getStringCat2(leveldir_current->author, " (ed.)"));
7036
7037     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7038       setString(&mod_name, leveldir_current->author);
7039
7040     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7041
7042     // less worried about truncation here
7043     setString(&mod_name, getStringCat2("Mod: ", level.name));
7044     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7045   }
7046 }
7047
7048 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7049                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7050 {
7051   int x, y;
7052
7053   for (x = 0; x < lev_fieldx; x++)
7054     for (y = 0; y < lev_fieldy; y++)
7055       dst[x][y] = src[x][y];
7056 }
7057
7058 static int setSelectboxValue(int selectbox_id, int new_value)
7059 {
7060   int new_index_value = 0;
7061   int i;
7062
7063   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7064     if (selectbox_info[selectbox_id].options[i].value == new_value)
7065       new_index_value = i;
7066
7067   *selectbox_info[selectbox_id].value =
7068     selectbox_info[selectbox_id].options[new_index_value].value;
7069
7070   return new_index_value;
7071 }
7072
7073 static void setSelectboxSpecialActionVariablesIfNeeded()
7074 {
7075   int i;
7076
7077   /* change action mode and arg variables according to action type variable */
7078   for (i = 0; action_arg_options[i].value != -1; i++)
7079   {
7080     if (action_arg_options[i].value == custom_element_change.action_type)
7081     {
7082       int mode = action_arg_options[i].mode;
7083
7084       /* only change if corresponding selectbox has changed */
7085       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7086           action_arg_modes[mode])
7087         custom_element_change.action_mode = -1;
7088
7089       /* only change if corresponding selectbox has changed */
7090       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7091           action_arg_options[i].options)
7092         custom_element_change.action_arg = -1;
7093
7094       break;
7095     }
7096   }
7097 }
7098
7099 static void setSelectboxSpecialActionOptions()
7100 {
7101   int i;
7102
7103   /* change action mode and arg selectbox according to action type selectbox */
7104   for (i = 0; action_arg_options[i].value != -1; i++)
7105   {
7106     if (action_arg_options[i].value == custom_element_change.action_type)
7107     {
7108       int mode = action_arg_options[i].mode;
7109
7110       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7111                                    action_arg_modes[mode]);
7112       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7113                                  custom_element_change.action_mode);
7114
7115       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7116                                    action_arg_options[i].options);
7117       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7118                                  custom_element_change.action_arg);
7119       break;
7120     }
7121   }
7122 }
7123
7124 static void copy_custom_element_settings(int element_from, int element_to)
7125 {
7126   struct ElementInfo *ei_from = &element_info[element_from];
7127   struct ElementInfo *ei_to = &element_info[element_to];
7128
7129   copyElementInfo(ei_from, ei_to);
7130 }
7131
7132 static void replace_custom_element_in_settings(int element_from,
7133                                                int element_to)
7134 {
7135   int i, j, x, y;
7136
7137   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7138   {
7139     struct ElementInfo *ei = &element_info[i];
7140
7141     for (y = 0; y < 3; y++)
7142       for (x = 0; x < 3; x++)
7143         if (ei->content.e[x][y] == element_from)
7144           ei->content.e[x][y] = element_to;
7145
7146     for (j = 0; j < ei->num_change_pages; j++)
7147     {
7148       struct ElementChangeInfo *change = &ei->change_page[j];
7149
7150       if (change->target_element == element_from)
7151         change->target_element = element_to;
7152
7153       if (change->initial_trigger_element == element_from)
7154         change->initial_trigger_element = element_to;
7155
7156       if (change->action_element == element_from)
7157         change->action_element = element_to;
7158
7159       for (y = 0; y < 3; y++)
7160         for (x = 0; x < 3; x++)
7161           if (change->target_content.e[x][y] == element_from)
7162             change->target_content.e[x][y] = element_to;
7163     }
7164
7165     if (ei->group != NULL)                              /* group or internal */
7166       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7167         if (ei->group->element[j] == element_from)
7168           ei->group->element[j] = element_to;
7169   }
7170 }
7171
7172 static void replace_custom_element_in_playfield(int element_from,
7173                                                 int element_to)
7174 {
7175   int x, y;
7176
7177   for (x = 0; x < lev_fieldx; x++)
7178     for (y = 0; y < lev_fieldy; y++)
7179       if (Feld[x][y] == element_from)
7180         Feld[x][y] = element_to;
7181 }
7182
7183 static boolean CopyCustomElement(int element_old, int element_new,
7184                                  int copy_mode)
7185 {
7186   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7187   {
7188     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7189                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7190     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7191   }
7192   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7193   {
7194     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7195                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7196     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7197
7198     level.changed = TRUE;
7199   }
7200   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7201   {
7202     Request("Please choose custom element!", REQ_CONFIRM);
7203
7204     return FALSE;
7205   }
7206   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7207   {
7208     Request("Please choose group element!", REQ_CONFIRM);
7209
7210     return FALSE;
7211   }
7212   else
7213   {
7214     level.changed = TRUE;
7215   }
7216
7217   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7218   {
7219     copy_custom_element_settings(element_new, element_old);
7220   }
7221   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7222   {
7223     copy_custom_element_settings(element_old, element_new);
7224   }
7225   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7226   {
7227     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7228     copy_custom_element_settings(element_new, element_old);
7229     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7230
7231     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7232     replace_custom_element_in_settings(element_new, element_old);
7233     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7234
7235     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7236     replace_custom_element_in_playfield(element_new, element_old);
7237     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7238   }
7239
7240   UpdateCustomElementGraphicGadgets();
7241   DrawPropertiesWindow();
7242
7243   return TRUE;
7244 }
7245
7246 static void CopyCustomElementPropertiesToEditor(int element)
7247 {
7248   int i;
7249   int current_change_page = element_info[element].current_change_page;
7250
7251   /* dynamically (re)build selectbox for selecting change page */
7252   for (i = 0; i < element_info[element].num_change_pages; i++)
7253   {
7254     sprintf(options_change_page_strings[i], "%d", i + 1);
7255
7256     options_change_page[i].value = i;
7257     options_change_page[i].text = options_change_page_strings[i];
7258   }
7259
7260   options_change_page[i].value = -1;
7261   options_change_page[i].text = NULL;
7262
7263   /* needed here to initialize combined element properties */
7264   InitElementPropertiesEngine(level.game_version);
7265
7266   element_info[element].change =
7267     &element_info[element].change_page[current_change_page];
7268
7269   custom_element = element_info[element];
7270   custom_element_change = *element_info[element].change;
7271
7272   /* needed to initially set selectbox options for special action options */
7273   setSelectboxSpecialActionOptions();
7274
7275   /* needed to initially set selectbox value variables to reliable defaults */
7276   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7277     setSelectboxValue(i, *selectbox_info[i].value);
7278
7279   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7280     custom_element_properties[i] = HAS_PROPERTY(element, i);
7281
7282   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7283     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7284
7285   /* ---------- element settings: configure (custom elements) ------------- */
7286
7287   /* set accessible layer selectbox help value */
7288   custom_element.access_type =
7289     (IS_WALKABLE(element) ? EP_WALKABLE :
7290      IS_PASSABLE(element) ? EP_PASSABLE :
7291      custom_element.access_type);
7292   custom_element.access_layer =
7293     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7294      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7295      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7296      custom_element.access_layer);
7297   custom_element.access_protected =
7298     (IS_PROTECTED(element) ? 1 : 0);
7299   custom_element_properties[EP_ACCESSIBLE] =
7300     (IS_ACCESSIBLE_OVER(element) ||
7301      IS_ACCESSIBLE_INSIDE(element) ||
7302      IS_ACCESSIBLE_UNDER(element));
7303
7304   /* set walk-to-object action selectbox help value */
7305   custom_element.walk_to_action =
7306     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7307      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7308      IS_DROPPABLE(element) ? EP_DROPPABLE :
7309      IS_THROWABLE(element) ? EP_THROWABLE :
7310      IS_PUSHABLE(element) ? EP_PUSHABLE :
7311      custom_element.walk_to_action);
7312   custom_element_properties[EP_WALK_TO_OBJECT] =
7313     (IS_DIGGABLE(element) ||
7314      IS_COLLECTIBLE_ONLY(element) ||
7315      IS_DROPPABLE(element) ||
7316      IS_THROWABLE(element) ||
7317      IS_PUSHABLE(element));
7318
7319   /* set smash targets selectbox help value */
7320   custom_element.smash_targets =
7321     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7322      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7323      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7324      custom_element.smash_targets);
7325   custom_element_properties[EP_CAN_SMASH] =
7326     (CAN_SMASH_EVERYTHING(element) ||
7327      CAN_SMASH_ENEMIES(element) ||
7328      CAN_SMASH_PLAYER(element));
7329
7330   /* set deadliness selectbox help value */
7331   custom_element.deadliness =
7332     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7333      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7334      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7335      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7336      custom_element.deadliness);
7337   custom_element_properties[EP_DEADLY] =
7338     (DONT_TOUCH(element) ||
7339      DONT_GET_HIT_BY(element) ||
7340      DONT_COLLIDE_WITH(element) ||
7341      DONT_RUN_INTO(element));
7342
7343   /* ---------- element settings: advanced (custom elements) --------------- */
7344
7345   /* set "change by direct action" selectbox help value */
7346   custom_element_change.direct_action =
7347     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7348      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
7349      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
7350      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
7351      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
7352      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
7353      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
7354      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
7355      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
7356      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
7357      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
7358      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
7359      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
7360      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
7361      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
7362      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
7363      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
7364      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
7365      custom_element_change.direct_action);
7366
7367   /* set "change by other element action" selectbox help value */
7368   custom_element_change.other_action =
7369     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
7370      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
7371      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
7372      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
7373      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
7374      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
7375      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
7376      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
7377      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
7378      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
7379      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
7380      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
7381      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
7382      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
7383      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
7384      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
7385      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
7386      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
7387      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
7388      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
7389      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
7390      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
7391      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
7392      custom_element_change.other_action);
7393 }
7394
7395 static void CopyGroupElementPropertiesToEditor(int element)
7396 {
7397   group_element_info = *element_info[element].group;
7398   custom_element = element_info[element];       /* needed for description */
7399 }
7400
7401 static void CopyClassicElementPropertiesToEditor(int element)
7402 {
7403   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7404     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
7405       getMoveIntoAcidProperty(&level, element);
7406
7407   if (MAYBE_DONT_COLLIDE_WITH(element))
7408     custom_element_properties[EP_DONT_COLLIDE_WITH] =
7409       getDontCollideWithProperty(&level, element);
7410 }
7411
7412 static void CopyElementPropertiesToEditor(int element)
7413 {
7414   if (IS_CUSTOM_ELEMENT(element))
7415     CopyCustomElementPropertiesToEditor(element);
7416   else if (IS_GROUP_ELEMENT(element))
7417     CopyGroupElementPropertiesToEditor(element);
7418   else
7419     CopyClassicElementPropertiesToEditor(element);
7420 }
7421
7422 static void CopyCustomElementPropertiesToGame(int element)
7423 {
7424   int i;
7425   int access_type_and_layer;
7426
7427   /* mark that this custom element has been modified */
7428   custom_element.modified_settings = TRUE;
7429   level.changed = TRUE;
7430
7431   if (level.use_custom_template)
7432   {
7433     if (Request("Copy and modify level template?", REQ_ASK))
7434     {
7435       level.use_custom_template = FALSE;
7436       ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE],
7437                    GDI_CHECKED, FALSE, GDI_END);
7438     }
7439     else
7440     {
7441       LoadLevelTemplate(-1);    /* this resets all element modifications ... */
7442
7443       DrawEditModeWindow();     /* ... and copies them to 'custom_element' */
7444     }
7445   }
7446
7447   element_info[element] = custom_element;
7448   *element_info[element].change = custom_element_change;
7449
7450   /* ---------- element settings: configure (custom elements) ------------- */
7451
7452   /* set accessible property from checkbox and selectbox */
7453   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
7454   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
7455   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
7456   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
7457   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
7458   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
7459   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
7460                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
7461                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
7462   custom_element_properties[access_type_and_layer] =
7463     custom_element_properties[EP_ACCESSIBLE];
7464   custom_element_properties[EP_PROTECTED] =
7465     (custom_element.access_protected != 0 &&
7466      custom_element_properties[EP_ACCESSIBLE]);
7467
7468   /* set walk-to-object property from checkbox and selectbox */
7469   custom_element_properties[EP_DIGGABLE] = FALSE;
7470   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
7471   custom_element_properties[EP_DROPPABLE] = FALSE;
7472   custom_element_properties[EP_THROWABLE] = FALSE;
7473   custom_element_properties[EP_PUSHABLE] = FALSE;
7474   custom_element_properties[custom_element.walk_to_action] =
7475     custom_element_properties[EP_WALK_TO_OBJECT];
7476
7477   /* set smash property from checkbox and selectbox */
7478   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
7479   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
7480   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
7481   custom_element_properties[custom_element.smash_targets] =
7482     custom_element_properties[EP_CAN_SMASH];
7483
7484   /* set deadliness property from checkbox and selectbox */
7485   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
7486   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
7487   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
7488   custom_element_properties[EP_DONT_TOUCH] = FALSE;
7489   custom_element_properties[custom_element.deadliness] =
7490     custom_element_properties[EP_DEADLY];
7491
7492   /* ---------- element settings: advanced (custom elements) --------------- */
7493
7494   /* set player change event from checkbox and selectbox */
7495   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
7496   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
7497   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
7498   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
7499   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
7500   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
7501   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
7502   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
7503   custom_element_change_events[CE_SWITCHED] = FALSE;
7504   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
7505   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
7506   custom_element_change_events[CE_BLOCKED] = FALSE;
7507   custom_element_change_events[CE_IMPACT] = FALSE;
7508   custom_element_change_events[CE_SMASHED] = FALSE;
7509   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
7510   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
7511   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
7512   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
7513   custom_element_change_events[custom_element_change.direct_action] =
7514     custom_element_change_events[CE_BY_DIRECT_ACTION];
7515
7516   /* set other element action change event from checkbox and selectbox */
7517   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
7518   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
7519   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
7520   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
7521   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
7522   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
7523   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
7524   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
7525   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
7526   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
7527   custom_element_change_events[CE_TOUCHING_X] = FALSE;
7528   custom_element_change_events[CE_HITTING_X] = FALSE;
7529   custom_element_change_events[CE_DIGGING_X] = FALSE;
7530   custom_element_change_events[CE_HIT_BY_X] = FALSE;
7531   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
7532   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
7533   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
7534   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
7535   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
7536   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
7537   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
7538   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
7539   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
7540   custom_element_change_events[custom_element_change.other_action] =
7541     custom_element_change_events[CE_BY_OTHER_ACTION];
7542
7543   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7544     SET_PROPERTY(element, i, custom_element_properties[i]);
7545
7546   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7547     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
7548
7549   /* copy change events also to special level editor variable */
7550   custom_element = element_info[element];
7551   custom_element_change = *element_info[element].change;
7552 }
7553
7554 static void CopyGroupElementPropertiesToGame(int element)
7555 {
7556   element_info[element] = custom_element;
7557   *element_info[element].group = group_element_info;
7558
7559   /* mark that this group element has been modified */
7560   element_info[element].modified_settings = TRUE;
7561   level.changed = TRUE;
7562 }
7563
7564 static void CopyClassicElementPropertiesToGame(int element)
7565 {
7566   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
7567     setMoveIntoAcidProperty(&level, element,
7568                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
7569
7570   if (MAYBE_DONT_COLLIDE_WITH(element))
7571     setDontCollideWithProperty(&level, element,
7572                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
7573 }
7574
7575 static void CopyElementPropertiesToGame(int element)
7576 {
7577   if (IS_CUSTOM_ELEMENT(element))
7578     CopyCustomElementPropertiesToGame(element);
7579   else if (IS_GROUP_ELEMENT(element))
7580     CopyGroupElementPropertiesToGame(element);
7581   else
7582     CopyClassicElementPropertiesToGame(element);
7583 }
7584
7585 void CheckElementDescriptions()
7586 {
7587   int i;
7588
7589   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7590     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
7591       Error(ERR_WARN, "no element description for element '%s'", EL_NAME(i));
7592 }
7593
7594 static int getMaxEdFieldX(boolean has_scrollbar)
7595 {
7596   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
7597   int sxsize = SXSIZE - scrollbar_width;
7598   int max_ed_fieldx = sxsize / ed_tilesize;
7599
7600   return max_ed_fieldx;
7601 }
7602
7603 static int getMaxEdFieldY(boolean has_scrollbar)
7604 {
7605   int infotext_height = INFOTEXT_YSIZE_FULL;
7606   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
7607   int sysize = SYSIZE - scrollbar_height - infotext_height;
7608   int max_ed_fieldy = sysize / ed_tilesize;
7609
7610   return max_ed_fieldy;
7611 }
7612
7613 void InitZoomLevelSettings()
7614 {
7615   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
7616   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
7617 }
7618
7619 static boolean playfield_area_changed = FALSE;
7620
7621 void DrawLevelEd()
7622 {
7623   StopAnimation();
7624
7625   CloseDoor(DOOR_CLOSE_ALL);
7626
7627   FadeOut(REDRAW_FIELD);
7628
7629   /* needed after playing if editor playfield area has different size */
7630   ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
7631
7632   /* needed if different viewport properties defined for editor */
7633   ChangeViewportPropertiesIfNeeded();
7634
7635   InitZoomLevelSettings();
7636
7637   playfield_area_changed = DrawingAreaChanged();
7638
7639   OpenDoor(DOOR_OPEN_1 | DOOR_OPEN_2 | DOOR_NO_DELAY);
7640
7641 #if DEBUG
7642   CheckElementDescriptions();
7643 #endif
7644
7645   if (level_editor_test_game)
7646   {
7647     CopyPlayfield(level.field, Feld);
7648     CopyPlayfield(FieldBackup, level.field);
7649
7650     level_editor_test_game = FALSE;
7651   }
7652   else
7653   {
7654     edit_mode = ED_MODE_DRAWING;
7655     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
7656     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
7657
7658     ResetUndoBuffer();
7659
7660     level_xpos = -1;
7661     level_ypos = -1;
7662   }
7663
7664   /* needed for gadgets drawn on background (like palette scrollbar) */
7665   SetDoorBackgroundImage(IMG_UNDEFINED);
7666
7667   /* copy default editor door content to main double buffer */
7668   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
7669              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
7670              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
7671              DXSIZE, DYSIZE, DX, DY);
7672
7673   /* draw bigger door */
7674   DrawSpecialEditorDoor();
7675
7676   /* draw new control window */
7677   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
7678              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
7679              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
7680              EXSIZE, EYSIZE, EX, EY);
7681
7682   // redraw_mask |= REDRAW_ALL;
7683
7684   FreeLevelEditorGadgets();
7685   CreateLevelEditorGadgets();
7686
7687   ReinitializeElementList();            /* update dynamic level element list */
7688   ReinitializeElementListButtons();     /* custom element may look different */
7689
7690   InitElementPropertiesGfxElement();
7691
7692   UnmapAllGadgets();
7693   MapControlButtons();
7694
7695   DrawEditModeWindow();
7696
7697   FadeIn(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
7698
7699   /* copy actual editor door content to door double buffer for OpenDoor() */
7700   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
7701 }
7702
7703 static void AdjustDrawingAreaGadgets()
7704 {
7705   int ed_xsize = lev_fieldx + 2;
7706   int ed_ysize = lev_fieldy + 2;
7707   int max_ed_fieldx = MAX_ED_FIELDX;
7708   int max_ed_fieldy = MAX_ED_FIELDY;
7709   boolean horizontal_scrollbar_needed;
7710   boolean vertical_scrollbar_needed;
7711   int x, y, width, height;
7712
7713   /* check if we need any scrollbars */
7714   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7715   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7716
7717   /* check if we have a smaller editor field because of scrollbars */
7718   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7719   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7720
7721   /* check again if we now need more scrollbars because of less space */
7722   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
7723   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
7724
7725   /* check if editor field gets even smaller after adding new scrollbars */
7726   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
7727   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
7728
7729   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
7730   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
7731
7732   x = SX + ed_fieldx * ed_tilesize;
7733   y = SY + ed_fieldy * ed_tilesize;
7734
7735   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
7736   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
7737
7738   /* adjust drawing area gadget */
7739   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
7740                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
7741                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
7742                GDI_END);
7743
7744   /* adjust horizontal scrollbar gadgets */
7745   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
7746                GDI_Y, y,
7747                GDI_END);
7748   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
7749                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
7750                GDI_Y, y,
7751                GDI_END);
7752   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
7753                GDI_Y, y,
7754                GDI_WIDTH, width,
7755                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
7756                GDI_END);
7757
7758   /* adjust vertical scrollbar gadgets */
7759   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
7760                GDI_X, x,
7761                GDI_END);
7762   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
7763                GDI_X, x,
7764                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
7765                GDI_END);
7766   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
7767                GDI_X, x,
7768                GDI_HEIGHT, height,
7769                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
7770                GDI_END);
7771 }
7772
7773 static void AdjustLevelScrollPosition()
7774 {
7775   if (level_xpos < -1)
7776     level_xpos = -1;
7777   if (level_xpos > lev_fieldx - ed_fieldx + 1)
7778     level_xpos = lev_fieldx - ed_fieldx + 1;
7779   if (lev_fieldx < ed_fieldx - 2)
7780     level_xpos = -1;
7781
7782   if (level_ypos < -1)
7783     level_ypos = -1;
7784   if (level_ypos > lev_fieldy - ed_fieldy + 1)
7785     level_ypos = lev_fieldy - ed_fieldy + 1;
7786   if (lev_fieldy < ed_fieldy - 2)
7787     level_ypos = -1;
7788 }
7789
7790 static void AdjustEditorScrollbar(int id)
7791 {
7792   struct GadgetInfo *gi = level_editor_gadget[id];
7793   int items_max, items_visible, item_position;
7794
7795   if (id == GADGET_ID_SCROLL_HORIZONTAL)
7796   {
7797     items_max = MAX(lev_fieldx + 2, ed_fieldx);
7798     items_visible = ed_fieldx;
7799     item_position = level_xpos + 1;
7800   }
7801   else
7802   {
7803     items_max = MAX(lev_fieldy + 2, ed_fieldy);
7804     items_visible = ed_fieldy;
7805     item_position = level_ypos + 1;
7806   }
7807
7808   if (item_position > items_max - items_visible)
7809     item_position = items_max - items_visible;
7810
7811   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7812                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7813 }
7814
7815 static void AdjustElementListScrollbar()
7816 {
7817   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
7818   int items_max, items_visible, item_position;
7819
7820   /* correct position of element list scrollbar */
7821   if (element_shift < 0)
7822     element_shift = 0;
7823   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
7824     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
7825
7826   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7827   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7828   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7829
7830   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
7831                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7832                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
7833 }
7834
7835 static void ModifyEditorCounterValue(int counter_id, int new_value)
7836 {
7837   int *counter_value = counterbutton_info[counter_id].value;
7838   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7839   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7840
7841   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
7842
7843   if (counter_value != NULL)
7844     *counter_value = gi->textinput.number_value;
7845 }
7846
7847 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
7848 {
7849   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
7850   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7851
7852   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
7853
7854   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7855       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7856   {
7857     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
7858     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
7859
7860     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
7861     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
7862                  GDI_END);
7863   }
7864 }
7865
7866 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
7867 {
7868   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7869   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7870   int new_index_value = setSelectboxValue(selectbox_id, new_value);
7871
7872   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
7873 }
7874
7875 static void ModifyEditorSelectboxOptions(int selectbox_id,
7876                                          struct ValueTextInfo *options)
7877 {
7878   int gadget_id = selectbox_info[selectbox_id].gadget_id;
7879   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7880
7881   selectbox_info[selectbox_id].options = options;
7882
7883   /* set index to zero -- list may be shorter now (correct later, if needed) */
7884   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
7885                GDI_SELECTBOX_OPTIONS, options, GDI_END);
7886 }
7887
7888 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
7889 {
7890   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
7891   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7892
7893   drawingarea_info[drawingarea_id].area_xsize = xsize;
7894   drawingarea_info[drawingarea_id].area_ysize = ysize;
7895
7896   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
7897 }
7898
7899 static void ModifyEditorElementList()
7900 {
7901   int i;
7902
7903   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7904   {
7905     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
7906     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
7907     struct GadgetDesign *gd = &gi->deco.design;
7908     int element = editor_elements[element_shift + i];
7909
7910     UnmapGadget(gi);
7911
7912     getElementListGraphicSource(element, &gd->bitmap, &gd->x, &gd->y);
7913
7914     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
7915
7916     MapGadget(gi);
7917   }
7918 }
7919
7920 static void DrawDrawingElement(int element, struct EditorPaletteElementInfo *e)
7921 {
7922   int graphic = el2edimg(element);
7923   int tile_size = (e->tile_size >= TILESIZE ? TILESIZE : MINI_TILESIZE);
7924
7925   DrawSizedGraphicExt(drawto, DX + e->x, DY + e->y, graphic, 0, tile_size);
7926 }
7927
7928 static void PickDrawingElement(int button, int element)
7929 {
7930   struct
7931   {
7932     int *new_element;
7933     struct EditorPaletteElementInfo *e;
7934   } de, drawing_elements[] =
7935   {
7936     { &new_element1,    &editor.palette.element_left    },
7937     { &new_element2,    &editor.palette.element_middle  },
7938     { &new_element3,    &editor.palette.element_right   },
7939   };
7940
7941   if (button < 1 || button > 3)
7942     return;
7943
7944   de = drawing_elements[button - 1];
7945
7946   DrawDrawingElement((*de.new_element = element), de.e);
7947
7948   redraw_mask |= REDRAW_DOOR_1;
7949 }
7950
7951 static void RedrawDrawingElements()
7952 {
7953   PickDrawingElement(1, new_element1);
7954   PickDrawingElement(2, new_element2);
7955   PickDrawingElement(3, new_element3);
7956 }
7957
7958 static void DrawDrawingWindow()
7959 {
7960   stick_element_properties_window = FALSE;
7961
7962   SetMainBackgroundImage(IMG_UNDEFINED);
7963   ClearField();
7964
7965   UnmapLevelEditorFieldGadgets();
7966   UnmapLevelEditorToolboxCustomGadgets();
7967
7968   AdjustDrawingAreaGadgets();
7969   AdjustLevelScrollPosition();
7970   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
7971   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
7972
7973   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
7974
7975   MapMainDrawingArea();
7976   MapLevelEditorToolboxDrawingGadgets();
7977 }
7978
7979 static int getTabulatorBarWidth()
7980 {
7981   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
7982   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
7983
7984   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
7985 }
7986
7987 static int getTabulatorBarHeight()
7988 {
7989   return ED_TAB_BAR_HEIGHT;
7990 }
7991
7992 static void DrawLevelInfoTabulatorGadgets()
7993 {
7994   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
7995   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
7996   int gd_x = gd->x + gd_gi1->border.width / 2;
7997   int gd_y = gd->y + gd_gi1->height - 1;
7998   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
7999   int id_first = ED_TEXTBUTTON_ID_LEVELINFO_LEVEL;
8000   int id_last  = ED_TEXTBUTTON_ID_LEVELINFO_EDITOR;
8001   int i;
8002
8003   for (i = id_first; i <= id_last; i++)
8004   {
8005     int gadget_id = textbutton_info[i].gadget_id;
8006     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8007     boolean active = (i != edit_mode_levelinfo);
8008
8009     /* draw background line below tabulator button */
8010     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8011
8012     /* draw solid line below inactive tabulator buttons */
8013     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8014       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8015                     ED_GADGET_TINY_DISTANCE, tab_color);
8016
8017     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8018     MapTextbuttonGadget(i);
8019   }
8020
8021   /* draw little border line below tabulator buttons */
8022   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8023     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8024                   ED_GADGET_TINY_DISTANCE,
8025                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8026 }
8027
8028 static void DrawPropertiesTabulatorGadgets()
8029 {
8030   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8031   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8032   int gd_x = gd->x + gd_gi1->border.width / 2;
8033   int gd_y = gd->y + gd_gi1->height - 1;
8034   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8035   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8036   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8037   int i;
8038
8039   /* draw two config tabulators for player elements */
8040   if (ELEM_IS_PLAYER(properties_element))
8041     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8042
8043   /* draw two config and one "change" tabulator for custom elements */
8044   if (IS_CUSTOM_ELEMENT(properties_element))
8045     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8046
8047   for (i = id_first; i <= id_last; i++)
8048   {
8049     int gadget_id = textbutton_info[i].gadget_id;
8050     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8051     boolean active = (i != edit_mode_properties);
8052
8053     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8054     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8055         (ELEM_IS_PLAYER(properties_element) ||
8056          IS_CUSTOM_ELEMENT(properties_element)))
8057       continue;
8058
8059     /* draw background line below tabulator button */
8060     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8061
8062     /* draw solid line below inactive tabulator buttons */
8063     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8064       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8065                     ED_GADGET_TINY_DISTANCE, tab_color);
8066
8067     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8068     MapTextbuttonGadget(i);
8069   }
8070
8071   /* draw little border line below tabulator buttons */
8072   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8073     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8074                   ED_GADGET_TINY_DISTANCE,
8075                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8076 }
8077
8078 static void DrawLevelInfoLevel()
8079 {
8080   int i;
8081
8082   /* draw counter gadgets */
8083   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8084     MapCounterButtons(i);
8085
8086   /* draw selectbox gadgets */
8087   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8088     MapSelectboxGadget(i);
8089
8090   /* draw text input gadgets */
8091   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8092     MapTextInputGadget(i);
8093 }
8094
8095 static void DrawLevelInfoEditor()
8096 {
8097   int i;
8098
8099   /* draw counter gadgets */
8100   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8101     MapCounterButtons(i);
8102
8103   /* draw checkbutton gadgets */
8104   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8105     MapCheckbuttonGadget(i);
8106
8107   /* draw radiobutton gadgets */
8108   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8109     MapRadiobuttonGadget(i);
8110
8111   /* draw drawing area */
8112   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8113 }
8114
8115 static void DrawLevelInfoWindow()
8116 {
8117   char *text = "Global Settings";
8118   int font_nr = FONT_TITLE_1;
8119   struct MenuPosInfo *pos = &editor.settings.headline;
8120   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
8121   int sy = SY + pos->y;
8122
8123   stick_element_properties_window = FALSE;
8124
8125   UnmapLevelEditorFieldGadgets();
8126
8127   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
8128   ClearField();
8129
8130   DrawText(sx, sy, text, font_nr);
8131
8132   DrawLevelInfoTabulatorGadgets();
8133
8134   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
8135     DrawLevelInfoLevel();
8136   else  /* (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR) */
8137     DrawLevelInfoEditor();
8138 }
8139
8140 static void DrawCustomContentArea()
8141 {
8142   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
8143   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8144   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
8145   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
8146   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
8147   int xoffset = ED_GADGET_SPACE_DISTANCE;
8148
8149   /* add distance for potential left text (without drawing area border) */
8150   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
8151
8152   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8153
8154   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
8155 }
8156
8157 static void DrawCustomChangeContentArea()
8158 {
8159   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
8160   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8161   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
8162   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
8163   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
8164   int xoffset = ED_GADGET_SPACE_DISTANCE;
8165
8166   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
8167
8168   MapDrawingArea(id);
8169 }
8170
8171 static void RemoveElementContentArea(int id, int font_height)
8172 {
8173   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8174
8175   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
8176                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
8177                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8178                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
8179                  ED_GADGET_TEXT_DISTANCE + font_height);
8180 }
8181
8182 static void DrawYamYamContentAreas()
8183 {
8184   int font_nr = FONT_TEXT_1;
8185   int font_height = getFontHeight(font_nr);
8186   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8187   int yoffset = (tilesize - font_height) / 2;
8188   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
8189   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
8190   int i;
8191
8192   /* display counter to choose number of element content areas */
8193   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
8194
8195   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8196   {
8197     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
8198
8199     if (i < level.num_yamyam_contents)
8200     {
8201       MapDrawingArea(id);
8202     }
8203     else
8204     {
8205       UnmapDrawingArea(id);
8206
8207       /* delete content areas in case of reducing number of them */
8208       RemoveElementContentArea(id, font_height);
8209     }
8210   }
8211
8212   DrawText(x, y + 0 * tilesize, "content", font_nr);
8213   DrawText(x, y + 1 * tilesize, "when",    font_nr);
8214   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
8215 }
8216
8217 static void DrawMagicBallContentAreas()
8218 {
8219   int font_nr = FONT_TEXT_1;
8220   int font_height = getFontHeight(font_nr);
8221   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
8222   int yoffset = (tilesize - font_height) / 2;
8223   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
8224   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
8225   int i;
8226
8227   /* display counter to choose number of element content areas */
8228   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
8229
8230   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
8231   {
8232     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
8233
8234     if (i < level.num_ball_contents)
8235     {
8236       MapDrawingArea(id);
8237     }
8238     else
8239     {
8240       UnmapDrawingArea(id);
8241
8242       /* delete content areas in case of reducing number of them */
8243       RemoveElementContentArea(id, font_height);
8244     }
8245   }
8246
8247   DrawText(x, y + 0 * tilesize, "generated", font_nr);
8248   DrawText(x, y + 1 * tilesize, "when",      font_nr);
8249   DrawText(x, y + 2 * tilesize, "active",    font_nr);
8250 }
8251
8252 static void DrawAndroidElementArea(int element)
8253 {
8254   int id = ED_DRAWING_ID_ANDROID_CONTENT;
8255   int num_elements = level.num_android_clone_elements;
8256   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8257   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8258   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8259   int xsize = MAX_ANDROID_ELEMENTS;
8260   int ysize = 1;
8261
8262   /* display counter to choose number of element areas */
8263   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
8264
8265   if (drawingarea_info[id].text_left != NULL)
8266     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8267
8268   UnmapDrawingArea(id);
8269
8270   ModifyEditorDrawingArea(id, num_elements, 1);
8271
8272   /* delete content areas in case of reducing number of them */
8273   DrawBackground(sx, sy,
8274                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8275                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8276
8277   MapDrawingArea(id);
8278 }
8279
8280 static void DrawGroupElementArea(int element)
8281 {
8282   int id = ED_DRAWING_ID_GROUP_CONTENT;
8283   int num_elements = group_element_info.num_elements;
8284   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8285   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8286   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8287   int xsize = MAX_ELEMENTS_IN_GROUP;
8288   int ysize = 1;
8289
8290   if (drawingarea_info[id].text_left != NULL)
8291     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8292
8293   UnmapDrawingArea(id);
8294
8295   ModifyEditorDrawingArea(id, num_elements, 1);
8296
8297   /* delete content areas in case of reducing number of them */
8298   DrawBackground(sx, sy,
8299                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8300                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8301
8302   MapDrawingArea(id);
8303 }
8304
8305 static void DrawPlayerInitialInventoryArea(int element)
8306 {
8307   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
8308   int player_nr = GET_PLAYER_NR(element);
8309   int num_elements = level.initial_inventory_size[player_nr];
8310   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
8311   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
8312   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
8313   int xsize = MAX_INITIAL_INVENTORY_SIZE;
8314   int ysize = 1;
8315
8316   /* determine horizontal position to the right of specified gadget */
8317   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
8318     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
8319           ED_DRAWINGAREA_TEXT_DISTANCE);
8320
8321   /* determine horizontal offset for leading text */
8322   if (drawingarea_info[id].text_left != NULL)
8323     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8324
8325   UnmapDrawingArea(id);
8326
8327   ModifyEditorDrawingArea(id, num_elements, 1);
8328
8329   /* delete content areas in case of reducing number of them */
8330   DrawBackground(sx, sy,
8331                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
8332                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
8333
8334   MapDrawingArea(id);
8335 }
8336
8337 static void DrawEnvelopeTextArea(int envelope_nr)
8338 {
8339   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
8340   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8341
8342   UnmapGadget(gi);
8343   DrawBackground(gi->x, gi->y, gi->width, gi->height);
8344
8345   if (envelope_nr != -1)
8346     textarea_info[id].value = level.envelope[envelope_nr].text;
8347
8348   ModifyGadget(gi, GDI_AREA_SIZE,
8349                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
8350                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
8351                GDI_END);
8352
8353   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
8354 }
8355
8356 static boolean PrintInfoText(char *text, int font_nr, int start_line)
8357 {
8358   int font_height = getFontHeight(font_nr);
8359   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8360   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8361   int sx = SX + pad_x;
8362   int sy = SY + pad_y;
8363   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8364
8365   if (start_line >= max_lines_per_screen)
8366     return FALSE;
8367
8368   DrawText(sx, sy + start_line * font_height, text, font_nr);
8369
8370   return TRUE;
8371 }
8372
8373 static int PrintElementDescriptionFromFile(char *filename, int start_line)
8374 {
8375   int font_nr = FONT_TEXT_2;
8376   int font_width = getFontWidth(font_nr);
8377   int font_height = getFontHeight(font_nr);
8378   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8379   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8380   int sx = SX + pad_x;
8381   int sy = SY + pad_y + start_line * font_height;
8382   int max_chars_per_line = (SXSIZE - 2 * pad_x) / font_width;
8383   int max_lines_per_screen = (SYSIZE - pad_y) / font_height - 1;
8384   int max_lines_drawable = max_lines_per_screen - start_line;
8385
8386   if (start_line >= max_lines_per_screen)
8387     return FALSE;
8388
8389   return DrawTextFile(sx, sy, filename, font_nr, max_chars_per_line, -1,
8390                       max_lines_drawable, 0, -1, TRUE, FALSE, FALSE);
8391 }
8392
8393 static void DrawPropertiesInfo()
8394 {
8395   static struct
8396   {
8397     int value;
8398     char *text;
8399   }
8400   properties[] =
8401   {
8402     /* configurable properties */
8403
8404     { EP_WALKABLE_OVER,         "- player can walk over it"             },
8405     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
8406     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
8407     { EP_PASSABLE_OVER,         "- player can pass over it"             },
8408     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
8409     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
8410     { EP_PROTECTED,             "- player is protected by it"           },
8411
8412     { EP_DIGGABLE,              "- can be digged away"                  },
8413     { EP_COLLECTIBLE,           "- can be collected"                    },
8414     { EP_DROPPABLE,             "- can be dropped after collecting"     },
8415     { EP_THROWABLE,             "- can be thrown after collecting"      },
8416     { EP_PUSHABLE,              "- can be pushed"                       },
8417
8418     { EP_CAN_FALL,              "- can fall"                            },
8419     { EP_CAN_MOVE,              "- can move"                            },
8420
8421     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
8422 #if 0
8423     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
8424 #endif
8425     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
8426
8427     { EP_SLIPPERY,              "- slippery for falling elements"       },
8428     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
8429
8430     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
8431     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
8432     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
8433     { EP_DONT_TOUCH,            "- deadly when touching"                },
8434
8435     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
8436
8437     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
8438     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
8439     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
8440
8441     { EP_CAN_CHANGE,            "- can change to other element"         },
8442
8443     /* pre-defined properties */
8444     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
8445     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
8446     { EP_SWITCHABLE,            "- can be switched"                     },
8447 #if 0
8448     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
8449 #endif
8450
8451     { -1,                       NULL                                    }
8452   };
8453   char *filename = getElementDescriptionFilename(properties_element);
8454   char *percentage_text = "In this level: ";
8455   char *properties_text = "Standard properties: ";
8456   float percentage;
8457   int num_elements_in_level;
8458   int num_standard_properties = 0;
8459   int font1_nr = FONT_TEXT_1;
8460   int font2_nr = FONT_TEXT_2;
8461   int font1_width = getFontWidth(font1_nr);
8462   int font2_height = getFontHeight(font2_nr);
8463   int pad_x = ED_ELEMENT_SETTINGS_X(0);
8464   int pad_y = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
8465   int screen_line = 0;
8466   int i, x, y;
8467
8468   if (setup.editor.show_element_token)
8469   {
8470     DrawTextF(pad_x, pad_y + screen_line++ * font2_height, FONT_TEXT_3,
8471               "[%s]", element_info[properties_element].token_name);
8472     screen_line++;
8473   }
8474
8475   /* ----- print number of elements / percentage of this element in level */
8476
8477   num_elements_in_level = 0;
8478   for (y = 0; y < lev_fieldy; y++)
8479     for (x = 0; x < lev_fieldx; x++)
8480       if (Feld[x][y] == properties_element)
8481         num_elements_in_level++;
8482   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
8483
8484   DrawTextS(pad_x, pad_y + screen_line * font2_height, font1_nr,
8485             percentage_text);
8486   DrawTextF(pad_x + strlen(percentage_text) * font1_width,
8487             pad_y + screen_line++ * font2_height, font2_nr,
8488             "%d (%.2f%%)", num_elements_in_level, percentage);
8489
8490   screen_line++;
8491
8492   /* ----- print standard properties of this element */
8493
8494   DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font1_nr,
8495             properties_text);
8496
8497   for (i = 0; properties[i].value != -1; i++)
8498   {
8499     if (!HAS_PROPERTY(properties_element, properties[i].value))
8500       continue;
8501
8502     DrawTextS(pad_x, pad_y + screen_line++ * font2_height, font2_nr,
8503               properties[i].text);
8504     num_standard_properties++;
8505   }
8506
8507   if (num_standard_properties == 0)
8508     DrawTextS(pad_x + strlen(properties_text) * font1_width,
8509               pad_y + (screen_line - 1) * font2_height, font2_nr, "none");
8510
8511   screen_line++;
8512
8513   /* ----- print special description of this element */
8514
8515   PrintInfoText("Description:", FONT_TEXT_1, screen_line);
8516   if (PrintElementDescriptionFromFile(filename, screen_line + 1) == 0)
8517     PrintInfoText("No description available.", FONT_TEXT_1, screen_line);
8518 }
8519
8520 #define TEXT_COLLECTING         "Score for collecting"
8521 #define TEXT_SMASHING           "Score for smashing"
8522 #define TEXT_SLURPING           "Score for slurping robot"
8523 #define TEXT_CRACKING           "Score for cracking"
8524 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
8525 #define TEXT_DURATION           "Duration when activated"
8526 #define TEXT_BALL_DELAY         "Element generation delay"
8527 #define TEXT_MOVE_SPEED         "Speed of android moving"
8528 #define TEXT_CLONE_SPEED        "Speed of android cloning"
8529 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
8530 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
8531 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
8532 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
8533 #define TEXT_TIME_BONUS         "Extra time to solve level"
8534
8535 static struct
8536 {
8537   int element;
8538   int *value;
8539   char *text;
8540 } elements_with_counter[] =
8541 {
8542   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
8543   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
8544   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8545   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8546   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
8547   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
8548   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
8549   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
8550   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
8551   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
8552   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
8553   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
8554   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
8555   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
8556   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
8557   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
8558   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
8559   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
8560   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
8561   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
8562   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8563   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8564   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8565   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8566   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8567   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8568   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8569   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8570   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8571   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8572   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
8573   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8574   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8575   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8576   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8577   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8578   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
8579   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
8580   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
8581   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
8582   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
8583   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8584   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
8585   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
8586   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8587   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
8588   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
8589   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8590   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
8591   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8592   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
8593   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
8594   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
8595   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
8596   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
8597   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
8598   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
8599   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
8600   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
8601   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
8602   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
8603   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
8604   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
8605   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
8606   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
8607   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8608   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8609   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8610   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8611   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
8612   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
8613   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8614   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
8615   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
8616
8617   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
8618   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
8619   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
8620   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
8621   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
8622   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
8623   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
8624   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
8625   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
8626   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
8627   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
8628   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
8629   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
8630   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
8631   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
8632   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
8633
8634   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
8635   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
8636   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
8637   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
8638   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
8639   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
8640   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
8641   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
8642
8643   { -1,                 NULL,                           NULL            }
8644 };
8645
8646 static boolean checkPropertiesConfig(int element)
8647 {
8648   int i;
8649
8650   if (IS_GEM(element) ||
8651       IS_CUSTOM_ELEMENT(element) ||
8652       IS_GROUP_ELEMENT(element) ||
8653       IS_ENVELOPE(element) ||
8654       ELEM_IS_PLAYER(element) ||
8655       HAS_EDITOR_CONTENT(element) ||
8656       CAN_GROW(element) ||
8657       COULD_MOVE_INTO_ACID(element) ||
8658       MAYBE_DONT_COLLIDE_WITH(element) ||
8659       element == EL_SOKOBAN_OBJECT ||
8660       element == EL_SOKOBAN_FIELD_EMPTY ||
8661       element == EL_SOKOBAN_FIELD_FULL)
8662     return TRUE;
8663   else
8664     for (i = 0; elements_with_counter[i].element != -1; i++)
8665       if (elements_with_counter[i].element == element)
8666         return TRUE;
8667
8668   return FALSE;
8669 }
8670
8671 static void DrawPropertiesConfig()
8672 {
8673   boolean draw_footer_line = FALSE;
8674   int max_num_element_counters = 4;
8675   int num_element_counters = 0;
8676   int i;
8677
8678   if (!checkPropertiesConfig(properties_element))
8679   {
8680     PrintInfoText("No configuration options available.", FONT_TEXT_1, 0);
8681
8682     return;
8683   }
8684
8685   /* check if there are elements where a value can be chosen for */
8686   for (i = 0; elements_with_counter[i].element != -1; i++)
8687   {
8688     if (elements_with_counter[i].element == properties_element)
8689     {
8690       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
8691
8692       counterbutton_info[counter_id].y =
8693         ED_ELEMENT_SETTINGS_YPOS(
8694                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
8695                 (CAN_GROW(properties_element)                ? 1 : 0) +
8696                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
8697                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
8698                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
8699                 num_element_counters);
8700
8701       counterbutton_info[counter_id].value = elements_with_counter[i].value;
8702       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
8703
8704       if (properties_element == EL_GAME_OF_LIFE ||
8705           properties_element == EL_BIOMAZE)
8706       {
8707         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
8708         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
8709       }
8710       else
8711       {
8712         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
8713         counterbutton_info[counter_id].min_value = MIN_SCORE;
8714         counterbutton_info[counter_id].max_value = MAX_SCORE;
8715       }
8716
8717       MapCounterButtons(counter_id);
8718
8719       num_element_counters++;
8720       if (num_element_counters >= max_num_element_counters)
8721         break;
8722     }
8723   }
8724
8725   if (HAS_EDITOR_CONTENT(properties_element))
8726   {
8727     /* draw stickybutton gadget */
8728     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8729
8730     if (IS_AMOEBOID(properties_element))
8731       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
8732     else if (properties_element == EL_YAMYAM ||
8733              properties_element == EL_YAMYAM_LEFT ||
8734              properties_element == EL_YAMYAM_RIGHT ||
8735              properties_element == EL_YAMYAM_UP ||
8736              properties_element == EL_YAMYAM_DOWN)
8737       DrawYamYamContentAreas();
8738     else if (properties_element == EL_EMC_MAGIC_BALL)
8739     {
8740       DrawMagicBallContentAreas();
8741
8742       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
8743       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
8744     }
8745     else if (properties_element == EL_EMC_ANDROID)
8746       DrawAndroidElementArea(properties_element);
8747   }
8748
8749   if (ELEM_IS_PLAYER(properties_element))
8750   {
8751     int player_nr = GET_PLAYER_NR(properties_element);
8752
8753     /* these properties can be set for every player individually */
8754
8755     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8756     {
8757       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
8758         &level.start_element[player_nr];
8759       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
8760         &level.artwork_element[player_nr];
8761       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
8762         &level.explosion_element[player_nr];
8763
8764       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
8765         &level.use_start_element[player_nr];
8766       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
8767         &level.use_artwork_element[player_nr];
8768       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
8769         &level.use_explosion_element[player_nr];
8770       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
8771         &level.initial_player_gravity[player_nr];
8772
8773       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
8774         &level.initial_player_stepsize[player_nr];
8775
8776       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
8777       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
8778                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
8779                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
8780       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
8781       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
8782       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
8783       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
8784       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
8785       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
8786       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
8787       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
8788       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
8789
8790       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
8791       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
8792       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
8793
8794       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
8795     }
8796     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8797     {
8798       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
8799         &level.initial_inventory_content[player_nr][0];
8800
8801       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
8802         &level.initial_inventory_size[player_nr];
8803
8804       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
8805         &level.use_initial_inventory[player_nr];
8806
8807       /* draw checkbutton gadgets */
8808       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
8809
8810       /* draw counter gadgets */
8811       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
8812
8813       /* draw drawing area gadgets */
8814       DrawPlayerInitialInventoryArea(properties_element);
8815     }
8816   }
8817
8818   if (IS_GEM(properties_element))
8819     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
8820
8821   if (properties_element == EL_EM_DYNAMITE)
8822     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
8823
8824   if (COULD_MOVE_INTO_ACID(properties_element) &&
8825       !ELEM_IS_PLAYER(properties_element) &&
8826       (!IS_CUSTOM_ELEMENT(properties_element) ||
8827        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
8828   {
8829     /* set position for checkbutton for "can move into acid" */
8830     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
8831       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
8832     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
8833       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
8834                        HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8835
8836     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
8837   }
8838
8839   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
8840     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
8841
8842   if (properties_element == EL_SPRING)
8843     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
8844
8845   if (properties_element == EL_TIME_ORB_FULL)
8846     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
8847
8848   if (CAN_GROW(properties_element))
8849   {
8850     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
8851       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
8852
8853     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
8854   }
8855
8856   if (properties_element == EL_SOKOBAN_OBJECT ||
8857       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
8858       properties_element == EL_SOKOBAN_FIELD_FULL)
8859     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
8860
8861   if (IS_ENVELOPE(properties_element))
8862   {
8863     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
8864     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
8865     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
8866     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
8867     int envelope_nr = properties_element - EL_ENVELOPE_1;
8868
8869     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
8870     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
8871
8872     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
8873     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
8874
8875     /* display counter to choose size of envelope text area */
8876     MapCounterButtons(counter1_id);
8877     MapCounterButtons(counter2_id);
8878
8879     /* display checkbuttons to choose auto-wrap and alignment properties */
8880     MapCheckbuttonGadget(button1_id);
8881     MapCheckbuttonGadget(button2_id);
8882
8883     DrawEnvelopeTextArea(envelope_nr);
8884   }
8885
8886   if (IS_CUSTOM_ELEMENT(properties_element))
8887   {
8888     /* draw stickybutton gadget */
8889     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8890
8891     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
8892     {
8893       /* draw checkbutton gadgets */
8894       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
8895            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
8896         MapCheckbuttonGadget(i);
8897
8898       /* draw counter gadgets */
8899       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
8900            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
8901         MapCounterButtons(i);
8902
8903       /* draw selectbox gadgets */
8904       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
8905            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
8906         MapSelectboxGadget(i);
8907
8908       /* draw textbutton gadgets */
8909       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8910
8911       /* draw text input gadgets */
8912       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8913
8914       /* draw drawing area gadgets */
8915       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8916
8917       draw_footer_line = TRUE;
8918     }
8919     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
8920     {
8921       /* draw checkbutton gadgets */
8922       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
8923            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
8924         MapCheckbuttonGadget(i);
8925
8926       /* draw counter gadgets */
8927       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
8928            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
8929         MapCounterButtons(i);
8930
8931       /* draw selectbox gadgets */
8932       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
8933            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
8934         MapSelectboxGadget(i);
8935
8936       /* draw drawing area gadgets */
8937       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
8938       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
8939       DrawCustomContentArea();
8940     }
8941   }
8942   else if (IS_GROUP_ELEMENT(properties_element))
8943   {
8944     /* draw stickybutton gadget */
8945     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
8946
8947     /* draw checkbutton gadgets */
8948     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
8949     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE);
8950
8951     /* draw counter gadgets */
8952     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
8953
8954     /* draw selectbox gadgets */
8955     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
8956
8957     /* draw textbutton gadgets */
8958     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE);
8959
8960     /* draw drawing area gadgets */
8961     DrawGroupElementArea(properties_element);
8962
8963     /* draw text input gadgets */
8964     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
8965
8966     /* draw drawing area gadgets */
8967     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
8968
8969     draw_footer_line = TRUE;
8970   }
8971
8972   /* draw little footer border line above CE/GE use/save template gadgets */
8973   if (draw_footer_line)
8974   {
8975     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8976     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8977     int gd_x = gd->x + gd_gi1->border.width / 2;
8978     int gd_y = gd->y + gd_gi1->height - 1;
8979     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8980
8981     if (tab_color != BLACK_PIXEL)               /* black => transparent */
8982       FillRectangle(drawto,
8983                     SX + ED_ELEMENT_SETTINGS_X(0),
8984                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
8985                     ED_TAB_BAR_HEIGHT,
8986                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8987   }
8988 }
8989
8990 static void DrawPropertiesChangeDrawingAreas()
8991 {
8992   if (IS_CUSTOM_ELEMENT(properties_element))
8993   {
8994     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
8995     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
8996     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
8997
8998     DrawCustomChangeContentArea();
8999   }
9000
9001   redraw_mask |= REDRAW_FIELD;
9002 }
9003
9004 static void DrawPropertiesChange()
9005 {
9006   int i;
9007
9008   /* needed to initially set selectbox options for special action options */
9009   setSelectboxSpecialActionOptions();
9010
9011   /* draw stickybutton gadget */
9012   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9013
9014   /* draw checkbutton gadgets */
9015   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9016        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9017     MapCheckbuttonGadget(i);
9018
9019   /* draw counter gadgets */
9020   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9021        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9022     MapCounterButtons(i);
9023
9024   /* draw selectbox gadgets */
9025   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9026        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9027     MapSelectboxGadget(i);
9028
9029   /* draw textbutton gadgets */
9030   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9031        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9032     MapTextbuttonGadget(i);
9033
9034   /* draw graphicbutton gadgets */
9035   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9036        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9037     MapGraphicbuttonGadget(i);
9038
9039   /* draw drawing area gadgets */
9040   DrawPropertiesChangeDrawingAreas();
9041 }
9042
9043 static void DrawEditorElementAnimation(int x, int y)
9044 {
9045   int graphic = el2img(properties_element);
9046   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9047                custom_element.ce_value_fixed_initial :
9048                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9049                custom_element.collect_score_initial : FrameCounter);
9050
9051   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
9052 }
9053
9054 static void DrawEditorElementName(int x, int y, int font_nr)
9055 {
9056   char *element_name = getElementInfoText(properties_element);
9057   int font_width = getFontWidth(font_nr);
9058   int font_height = getFontHeight(font_nr);
9059   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
9060   int max_chars_per_line = max_text_width / font_width;
9061   char buffer[max_chars_per_line + 1];
9062
9063   if (strlen(element_name) <= max_chars_per_line)
9064     DrawTextS(x, y, font_nr, element_name);
9065   else
9066   {
9067     int next_pos = max_chars_per_line;
9068
9069     strncpy(buffer, element_name, max_chars_per_line);
9070     buffer[max_chars_per_line] = '\0';
9071
9072     if (element_name[max_chars_per_line] == ' ')
9073       next_pos++;
9074     else
9075     {
9076       int i;
9077
9078       for (i = max_chars_per_line - 1; i >= 0; i--)
9079         if (buffer[i] == ' ')
9080           break;
9081
9082       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
9083       {
9084         buffer[i] = '\0';
9085         next_pos = i + 1;
9086       }
9087     }
9088
9089     DrawTextS(x, y - font_height / 2, font_nr, buffer);
9090
9091     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
9092     buffer[max_chars_per_line] = '\0';
9093
9094     DrawTextS(x, y + font_height / 2, font_nr, buffer);
9095   }
9096 }
9097
9098 static void DrawPropertiesWindow()
9099 {
9100   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
9101   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
9102   int border_size = gd->border_size;
9103   int font_nr = FONT_TEXT_1;
9104   int font_height = getFontHeight(font_nr);
9105   int xoffset = TILEX + element_border + 3 * border_size;
9106   int yoffset = (TILEY - font_height) / 2;
9107   int x1 = editor.settings.element_graphic.x + element_border;
9108   int y1 = editor.settings.element_graphic.y + element_border;
9109   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
9110             editor.settings.element_name.x);
9111   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
9112             editor.settings.element_name.y);
9113   char *text = "Element Settings";
9114   int font2_nr = FONT_TITLE_1;
9115   struct MenuPosInfo *pos = &editor.settings.headline;
9116   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
9117   int sy = SY + pos->y;
9118
9119   stick_element_properties_window = FALSE;
9120
9121   /* make sure that previous properties edit mode exists for this element */
9122   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
9123       !IS_CUSTOM_ELEMENT(properties_element))
9124     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
9125
9126   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
9127       !ELEM_IS_PLAYER(properties_element) &&
9128       !IS_CUSTOM_ELEMENT(properties_element))
9129     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
9130
9131   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
9132       (ELEM_IS_PLAYER(properties_element) ||
9133        IS_CUSTOM_ELEMENT(properties_element)))
9134     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
9135
9136   CopyElementPropertiesToEditor(properties_element);
9137
9138   UnmapLevelEditorFieldGadgets();
9139   UnmapLevelEditorToolboxDrawingGadgets();
9140   UnmapLevelEditorToolboxCustomGadgets();
9141
9142   if (IS_CUSTOM_ELEMENT(properties_element) ||
9143       IS_GROUP_ELEMENT(properties_element))
9144     MapLevelEditorToolboxCustomGadgets();
9145
9146   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9147   ClearField();
9148
9149   DrawText(sx, sy, text, font2_nr);
9150
9151   FrameCounter = 0;     /* restart animation frame counter */
9152
9153   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
9154   DrawEditorElementAnimation(SX + x1, SY + y1);
9155   DrawEditorElementName(x2, y2, font_nr);
9156
9157   DrawPropertiesTabulatorGadgets();
9158
9159   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
9160     DrawPropertiesInfo();
9161   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
9162     DrawPropertiesChange();
9163   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
9164     DrawPropertiesConfig();
9165 }
9166
9167 static void UpdateCustomElementGraphicGadgets()
9168 {
9169   struct ElementInfo *ei = &element_info[properties_element];
9170   int i;
9171
9172   ei->gfx_element = (ei->use_gfx_element ? ei->gfx_element_initial :
9173                      properties_element);
9174
9175   ModifyEditorElementList();
9176   RedrawDrawingElements();
9177
9178   /* force redraw of all mapped drawing area gadgets */
9179   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
9180   {
9181     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
9182
9183     if (gi->mapped)
9184       MapDrawingArea(i);
9185   }
9186 }
9187
9188 static int getOpenDirectionFromTube(int element)
9189 {
9190   switch (element)
9191   {
9192     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
9193     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
9194     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
9195     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
9196     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
9197     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
9198     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
9199     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
9200     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
9201     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
9202     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
9203   }
9204
9205   return MV_NONE;
9206 }
9207
9208 static int getTubeFromOpenDirection(int direction)
9209 {
9210   switch (direction)
9211   {
9212     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
9213     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
9214     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
9215     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
9216     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
9217     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
9218     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
9219     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
9220     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
9221     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
9222     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
9223
9224     /* if only one direction, fall back to simple tube with that direction */
9225     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
9226     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
9227     case (MV_UP):                       return EL_TUBE_VERTICAL;
9228     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
9229   }
9230
9231   return EL_EMPTY;
9232 }
9233
9234 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
9235 {
9236   int element_new = getTubeFromOpenDirection(direction);
9237
9238   return (element_new != EL_EMPTY ? element_new : element_old);
9239 }
9240
9241 static int getOpenDirectionFromBelt(int element)
9242 {
9243   int belt_dir = getBeltDirFromBeltElement(element);
9244
9245   return (belt_dir == MV_LEFT ? MV_RIGHT :
9246           belt_dir == MV_RIGHT ? MV_LEFT :
9247           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
9248 }
9249
9250 static int getBeltFromNrAndOpenDirection(int nr, int direction)
9251 {
9252   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
9253                   direction == MV_RIGHT ? MV_LEFT :
9254                   direction == MV_HORIZONTAL ? MV_NONE : direction);
9255
9256   if (direction == MV_NONE)
9257     return EL_EMPTY;
9258
9259   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
9260 }
9261
9262 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
9263                                                  int element_old)
9264 {
9265   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
9266
9267   return (element_new != EL_EMPTY ? element_new : element_old);
9268 }
9269
9270 static int getOpenDirectionFromPool(int element)
9271 {
9272   switch (element)
9273   {
9274     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
9275     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
9276     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
9277     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
9278     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
9279     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
9280   }
9281
9282   return MV_NONE;
9283 }
9284
9285 static int getPoolFromOpenDirection(int direction)
9286 {
9287   switch (direction)
9288   {
9289     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
9290     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
9291     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
9292     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
9293     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
9294     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
9295   }
9296
9297   return EL_EMPTY;
9298 }
9299
9300 static int getPoolFromOpenDirectionExt(int direction, int help_element)
9301 {
9302   int element = getPoolFromOpenDirection(direction);
9303   int help_direction = getOpenDirectionFromPool(help_element);
9304
9305   if (element == EL_EMPTY)
9306   {
9307     int help_direction_vertical = help_direction & MV_VERTICAL;
9308
9309     element = getPoolFromOpenDirection(direction | help_direction_vertical);
9310   }
9311
9312   if (element == EL_EMPTY)
9313   {
9314     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
9315
9316     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
9317   }
9318
9319   return element;
9320 }
9321
9322 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
9323 {
9324   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
9325
9326   return (element_new != EL_EMPTY ? element_new : element_old);
9327 }
9328
9329 static int getOpenDirectionFromPillar(int element)
9330 {
9331   switch (element)
9332   {
9333     case EL_EMC_WALL_1:                 return (MV_DOWN);
9334     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
9335     case EL_EMC_WALL_3:                 return (MV_UP);
9336   }
9337
9338   return MV_NONE;
9339 }
9340
9341 static int getPillarFromOpenDirection(int direction)
9342 {
9343   switch (direction)
9344   {
9345     case (MV_DOWN):                     return EL_EMC_WALL_1;
9346     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
9347     case (MV_UP):                       return EL_EMC_WALL_3;
9348   }
9349
9350   return EL_EMPTY;
9351 }
9352
9353 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
9354 {
9355   int element_new = getPillarFromOpenDirection(direction);
9356
9357   return (element_new != EL_EMPTY ? element_new : element_old);
9358 }
9359
9360 static int getOpenDirectionFromSteel2(int element)
9361 {
9362   switch (element)
9363   {
9364     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
9365     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
9366     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
9367     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
9368     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
9369     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
9370     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
9371     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
9372   }
9373
9374   return MV_NONE;
9375 }
9376
9377 static int getSteel2FromOpenDirection(int direction)
9378 {
9379   switch (direction)
9380   {
9381     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
9382     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
9383     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
9384     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
9385     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
9386     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
9387     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
9388     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
9389   }
9390
9391   return EL_EMPTY;
9392 }
9393
9394 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
9395 {
9396   int element_new = getSteel2FromOpenDirection(direction);
9397
9398   return (element_new != EL_EMPTY ? element_new : element_old);
9399 }
9400
9401 static int getOpenDirectionFromChip(int element)
9402 {
9403   switch (element)
9404   {
9405     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
9406     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
9407     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
9408     case EL_SP_CHIP_TOP:                return (MV_DOWN);
9409     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
9410   }
9411
9412   return MV_NONE;
9413 }
9414
9415 static int getChipFromOpenDirection(int direction)
9416 {
9417   switch (direction)
9418   {
9419     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
9420     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
9421     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
9422     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
9423     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
9424   }
9425
9426   return EL_EMPTY;
9427 }
9428
9429 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
9430 {
9431   int element_new = getChipFromOpenDirection(direction);
9432
9433   return (element_new != EL_EMPTY ? element_new : element_old);
9434 }
9435
9436 static int getClosedTube(int x, int y)
9437 {
9438   static int xy[4][2] =
9439   {
9440     { -1, 0 },
9441     { +1, 0 },
9442     { 0, -1 },
9443     { 0, +1 }
9444   };
9445   int element_old = IntelliDrawBuffer[x][y];
9446   int direction_old = getOpenDirectionFromTube(element_old);
9447   int direction_new = MV_NONE;
9448   int i;
9449
9450   for (i = 0; i < NUM_DIRECTIONS; i++)
9451   {
9452     int xx = x + xy[i][0];
9453     int yy = y + xy[i][1];
9454     int dir = MV_DIR_FROM_BIT(i);
9455     int dir_opposite = MV_DIR_OPPOSITE(dir);
9456
9457     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
9458         (direction_old & dir) &&
9459         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9460       direction_new |= dir;
9461   }
9462
9463   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
9464 }
9465
9466 static int getClosedBelt(int x, int y)
9467 {
9468   static int xy[4][2] =
9469   {
9470     { -1, 0 },
9471     { +1, 0 },
9472     { 0, -1 },
9473     { 0, +1 }
9474   };
9475   int element_old = IntelliDrawBuffer[x][y];
9476   int nr = getBeltNrFromBeltElement(element_old);
9477   int direction_old = getOpenDirectionFromBelt(element_old);
9478   int direction_new = MV_NONE;
9479   int i;
9480
9481   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9482   {
9483     int xx = x + xy[i][0];
9484     int yy = y + xy[i][1];
9485     int dir = MV_DIR_FROM_BIT(i);
9486     int dir_opposite = MV_DIR_OPPOSITE(dir);
9487
9488     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
9489         (direction_old & dir) &&
9490         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9491       direction_new |= dir;
9492   }
9493
9494   return getBeltFromNrAndOpenDirection(nr, direction_new);
9495 }
9496
9497 static int getClosedPool(int x, int y)
9498 {
9499   static int xy[4][2] =
9500   {
9501     { -1, 0 },
9502     { +1, 0 },
9503     { 0, -1 },
9504     { 0, +1 }
9505   };
9506   int element_old = IntelliDrawBuffer[x][y];
9507   int direction_old = getOpenDirectionFromPool(element_old);
9508   int direction_new = MV_NONE;
9509   int i;
9510
9511   for (i = 0; i < NUM_DIRECTIONS; i++)
9512   {
9513     int xx = x + xy[i][0];
9514     int yy = y + xy[i][1];
9515     int dir = MV_DIR_FROM_BIT(i);
9516     int dir_opposite = MV_DIR_OPPOSITE(dir);
9517
9518     if (IN_LEV_FIELD(xx, yy) &&
9519         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
9520         (direction_old & dir) &&
9521         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9522       direction_new |= dir;
9523   }
9524
9525   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
9526 }
9527
9528 static int getClosedPillar(int x, int y)
9529 {
9530   static int xy[4][2] =
9531   {
9532     { -1, 0 },
9533     { +1, 0 },
9534     { 0, -1 },
9535     { 0, +1 }
9536   };
9537   int element_old = IntelliDrawBuffer[x][y];
9538   int direction_old = getOpenDirectionFromPillar(element_old);
9539   int direction_new = MV_NONE;
9540   int i;
9541
9542   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9543   {
9544     int xx = x + xy[i][0];
9545     int yy = y + xy[i][1];
9546     int dir = MV_DIR_FROM_BIT(i);
9547     int dir_opposite = MV_DIR_OPPOSITE(dir);
9548
9549     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
9550         (direction_old & dir) &&
9551         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9552       direction_new |= dir;
9553   }
9554
9555   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
9556 }
9557
9558 static int getClosedSteel2(int x, int y)
9559 {
9560   static int xy[4][2] =
9561   {
9562     { -1, 0 },
9563     { +1, 0 },
9564     { 0, -1 },
9565     { 0, +1 }
9566   };
9567   int element_old = IntelliDrawBuffer[x][y];
9568   int direction_old = getOpenDirectionFromSteel2(element_old);
9569   int direction_new = MV_NONE;
9570   int i;
9571
9572   for (i = 0; i < NUM_DIRECTIONS; i++)
9573   {
9574     int xx = x + xy[i][0];
9575     int yy = y + xy[i][1];
9576     int dir = MV_DIR_FROM_BIT(i);
9577     int dir_opposite = MV_DIR_OPPOSITE(dir);
9578
9579     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
9580         (direction_old & dir) &&
9581         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9582       direction_new |= dir;
9583   }
9584
9585   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
9586 }
9587
9588 static int getClosedChip(int x, int y)
9589 {
9590   static int xy[4][2] =
9591   {
9592     { -1, 0 },
9593     { +1, 0 },
9594     { 0, -1 },
9595     { 0, +1 }
9596   };
9597   int element_old = IntelliDrawBuffer[x][y];
9598   int direction_old = getOpenDirectionFromChip(element_old);
9599   int direction_new = MV_NONE;
9600   int i;
9601
9602   for (i = 0; i < NUM_DIRECTIONS; i++)
9603   {
9604     int xx = x + xy[i][0];
9605     int yy = y + xy[i][1];
9606     int dir = MV_DIR_FROM_BIT(i);
9607     int dir_opposite = MV_DIR_OPPOSITE(dir);
9608
9609     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
9610         (direction_old & dir) &&
9611         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
9612       direction_new |= dir;
9613   }
9614
9615   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
9616 }
9617
9618 static void SetElementSimple(int x, int y, int element, boolean change_level)
9619 {
9620   int sx = x - level_xpos;
9621   int sy = y - level_ypos;
9622
9623   IntelliDrawBuffer[x][y] = element;
9624
9625   if (change_level)
9626     Feld[x][y] = element;
9627
9628   if (IN_ED_FIELD(sx, sy))
9629     DrawEditorElement(sx, sy, element);
9630 }
9631
9632 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
9633                                            int x2, int y2, int *element2,
9634                                            int (*close_function)(int, int),
9635                                            boolean change_level)
9636 {
9637   /* set neighbour elements to newly determined connections */
9638   SetElementSimple(x1, y1, *element1, change_level);
9639   SetElementSimple(x2, y2, *element2, change_level);
9640
9641   /* remove all open connections of neighbour elements */
9642   *element1 = close_function(x1, y1);
9643   *element2 = close_function(x2, y2);
9644
9645   /* set neighbour elements to new, minimized connections */
9646   SetElementSimple(x1, y1, *element1, change_level);
9647   SetElementSimple(x2, y2, *element2, change_level);
9648 }
9649
9650 static void SetElementIntelliDraw(int x, int y, int new_element,
9651                                   boolean change_level, int button)
9652 {
9653   static int xy[4][2] =
9654   {
9655     { -1, 0 },
9656     { +1, 0 },
9657     { 0, -1 },
9658     { 0, +1 }
9659   };
9660   static int last_x = -1;
9661   static int last_y = -1;
9662   int old_element = IntelliDrawBuffer[x][y];
9663
9664   if (new_element == EL_UNDEFINED)
9665   {
9666     last_x = -1;
9667     last_y = -1;
9668
9669     return;
9670   }
9671
9672   if (IS_TUBE(new_element))
9673   {
9674     int last_element_new = EL_UNDEFINED;
9675     int direction = MV_NONE;
9676     int i;
9677
9678     /* if old element is of same kind, keep all existing directions */
9679     if (IS_TUBE(old_element))
9680       direction |= getOpenDirectionFromTube(old_element);
9681
9682     for (i = 0; i < NUM_DIRECTIONS; i++)
9683     {
9684       int xx = x + xy[i][0];
9685       int yy = y + xy[i][1];
9686
9687       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9688           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
9689       {
9690         int dir = MV_DIR_FROM_BIT(i);
9691         int dir_opposite = MV_DIR_OPPOSITE(dir);
9692         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9693         int last_direction_old = getOpenDirectionFromTube(last_element_old);
9694         int last_direction_new = last_direction_old | dir_opposite;
9695
9696         last_element_new = getTubeFromOpenDirection(last_direction_new);
9697
9698         direction |= dir;
9699       }
9700     }
9701
9702     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
9703
9704     if (last_element_new != EL_UNDEFINED)
9705       MergeAndCloseNeighbourElements(x, y, &new_element,
9706                                      last_x, last_y, &last_element_new,
9707                                      getClosedTube, change_level);
9708   }
9709   else if (IS_BELT(new_element))
9710   {
9711     int belt_nr = getBeltNrFromBeltElement(new_element);
9712     int last_element_new = EL_UNDEFINED;
9713     int direction = MV_NONE;
9714     int i;
9715
9716     /* if old element is of same kind, keep all existing directions */
9717     if (IS_BELT(old_element))
9718       direction |= getOpenDirectionFromBelt(old_element);
9719
9720     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
9721     {
9722       int xx = x + xy[i][0];
9723       int yy = y + xy[i][1];
9724
9725       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9726           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
9727       {
9728         int dir = MV_DIR_FROM_BIT(i);
9729         int dir_opposite = MV_DIR_OPPOSITE(dir);
9730         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9731         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
9732         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
9733         int last_direction_new = last_direction_old | dir_opposite;
9734
9735         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
9736                                                          last_direction_new);
9737         direction |= dir;
9738       }
9739     }
9740
9741     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
9742                                                         new_element);
9743     if (last_element_new != EL_UNDEFINED)
9744       MergeAndCloseNeighbourElements(x, y, &new_element,
9745                                      last_x, last_y, &last_element_new,
9746                                      getClosedBelt, change_level);
9747   }
9748   else if (IS_ACID_POOL_OR_ACID(new_element))
9749   {
9750     int last_element_new = EL_UNDEFINED;
9751     int direction = MV_NONE;
9752     int i;
9753
9754     /* if old element is of same kind, keep all existing directions */
9755     if (IS_ACID_POOL_OR_ACID(old_element))
9756       direction |= getOpenDirectionFromPool(old_element);
9757
9758     for (i = 0; i < NUM_DIRECTIONS; i++)
9759     {
9760       int xx = x + xy[i][0];
9761       int yy = y + xy[i][1];
9762
9763       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9764           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
9765       {
9766         int dir = MV_DIR_FROM_BIT(i);
9767         int dir_opposite = MV_DIR_OPPOSITE(dir);
9768         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9769         int last_direction_old = getOpenDirectionFromPool(last_element_old);
9770         int last_direction_new = last_direction_old | dir_opposite;
9771
9772         last_element_new = getPoolFromOpenDirection(last_direction_new);
9773
9774         direction |= dir;
9775       }
9776     }
9777
9778     /* special corrections needed for intuitively correct acid pool drawing */
9779     if (last_element_new == EL_EMPTY)
9780       last_element_new = new_element;
9781     else if (last_element_new != EL_UNDEFINED)
9782       new_element = last_element_new;
9783
9784     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
9785
9786     if (last_element_new != EL_UNDEFINED)
9787       MergeAndCloseNeighbourElements(x, y, &new_element,
9788                                      last_x, last_y, &last_element_new,
9789                                      getClosedPool, change_level);
9790   }
9791   else if (IS_EMC_PILLAR(new_element))
9792   {
9793     int last_element_new = EL_UNDEFINED;
9794     int direction = MV_NONE;
9795     int i;
9796
9797     /* if old element is of same kind, keep all existing directions */
9798     if (IS_EMC_PILLAR(old_element))
9799       direction |= getOpenDirectionFromPillar(old_element);
9800
9801     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
9802     {
9803       int xx = x + xy[i][0];
9804       int yy = y + xy[i][1];
9805
9806       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9807           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
9808       {
9809         int dir = MV_DIR_FROM_BIT(i);
9810         int dir_opposite = MV_DIR_OPPOSITE(dir);
9811         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9812         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
9813         int last_direction_new = last_direction_old | dir_opposite;
9814
9815         last_element_new = getPillarFromOpenDirection(last_direction_new);
9816
9817         direction |= dir;
9818       }
9819     }
9820
9821     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
9822
9823     if (last_element_new != EL_UNDEFINED)
9824       MergeAndCloseNeighbourElements(x, y, &new_element,
9825                                      last_x, last_y, &last_element_new,
9826                                      getClosedPillar, change_level);
9827   }
9828   else if (IS_DC_STEELWALL_2(new_element))
9829   {
9830     int last_element_new = EL_UNDEFINED;
9831     int direction = MV_NONE;
9832     int i;
9833
9834     /* if old element is of same kind, keep all existing directions */
9835     if (IS_DC_STEELWALL_2(old_element))
9836       direction |= getOpenDirectionFromSteel2(old_element);
9837
9838     for (i = 0; i < NUM_DIRECTIONS; i++)
9839     {
9840       int xx = x + xy[i][0];
9841       int yy = y + xy[i][1];
9842
9843       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9844           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
9845       {
9846         int dir = MV_DIR_FROM_BIT(i);
9847         int dir_opposite = MV_DIR_OPPOSITE(dir);
9848         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9849         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
9850         int last_direction_new = last_direction_old | dir_opposite;
9851
9852         last_element_new = getSteel2FromOpenDirection(last_direction_new);
9853
9854         direction |= dir;
9855       }
9856     }
9857
9858     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
9859
9860     if (last_element_new != EL_UNDEFINED)
9861       MergeAndCloseNeighbourElements(x, y, &new_element,
9862                                      last_x, last_y, &last_element_new,
9863                                      getClosedSteel2, change_level);
9864   }
9865   else if (IS_SP_CHIP(new_element))
9866   {
9867     int last_element_new = EL_UNDEFINED;
9868     int direction = MV_NONE;
9869     int i;
9870
9871     /* (do not keep existing directions, regardless of kind of old element) */
9872
9873     for (i = 0; i < NUM_DIRECTIONS; i++)
9874     {
9875       int xx = x + xy[i][0];
9876       int yy = y + xy[i][1];
9877
9878       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9879           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
9880       {
9881         int dir = MV_DIR_FROM_BIT(i);
9882         int dir_opposite = MV_DIR_OPPOSITE(dir);
9883         int last_element_old = IntelliDrawBuffer[last_x][last_y];
9884         int last_direction_old = getOpenDirectionFromChip(last_element_old);
9885         int last_direction_new = last_direction_old | dir_opposite;
9886
9887         if (last_direction_old == MV_NONE)
9888         {
9889           last_element_new = getChipFromOpenDirection(last_direction_new);
9890           direction |= dir;
9891         }
9892         else if (last_direction_old & (dir | dir_opposite))
9893         {
9894           direction |= MV_DIR_OPPOSITE(last_direction_old);
9895         }
9896         else
9897         {
9898           direction |= MV_DIR_OPPOSITE(dir);
9899         }
9900       }
9901     }
9902
9903     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
9904
9905     if (last_element_new != EL_UNDEFINED)
9906       MergeAndCloseNeighbourElements(x, y, &new_element,
9907                                      last_x, last_y, &last_element_new,
9908                                      getClosedChip, change_level);
9909   }
9910   else if (IS_SP_HARDWARE_BASE(new_element))
9911   {
9912     int nr = GetSimpleRandom(6);
9913
9914     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
9915                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
9916                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
9917                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
9918                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
9919   }
9920   else if (new_element == EL_SP_HARDWARE_GREEN ||
9921            new_element == EL_SP_HARDWARE_BLUE ||
9922            new_element == EL_SP_HARDWARE_RED)
9923   {
9924     int nr = GetSimpleRandom(3);
9925
9926     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
9927                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
9928   }
9929   else if (IS_GROUP_ELEMENT(new_element))
9930   {
9931     boolean connected_drawing = FALSE;
9932     int i;
9933
9934     for (i = 0; i < NUM_DIRECTIONS; i++)
9935     {
9936       int xx = x + xy[i][0];
9937       int yy = y + xy[i][1];
9938
9939       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
9940           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
9941         connected_drawing = TRUE;
9942     }
9943
9944     if (!connected_drawing)
9945       ResolveGroupElement(new_element);
9946
9947     new_element = GetElementFromGroupElement(new_element);
9948   }
9949   else if (IS_BELT_SWITCH(old_element))
9950   {
9951     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
9952     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
9953
9954     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
9955                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
9956
9957     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
9958   }
9959   else
9960   {
9961     static int swappable_elements[][2] =
9962     {
9963       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
9964       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
9965       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
9966       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
9967       { EL_EMERALD,                     EL_WALL_EMERALD                 },
9968       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
9969       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
9970       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
9971       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
9972       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
9973       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
9974       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
9975       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
9976       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
9977       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
9978       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
9979       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
9980       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
9981       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
9982       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
9983       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
9984       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
9985       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
9986       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
9987       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
9988       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
9989       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
9990       { EL_PEARL,                       EL_WALL_PEARL                   },
9991       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
9992       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
9993       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
9994       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
9995       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
9996       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
9997       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
9998       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
9999       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10000       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
10001       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
10002       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
10003
10004       { -1,                             -1                              },
10005     };
10006     static int rotatable_elements[][4] =
10007     {
10008       {
10009         EL_BUG_UP,
10010         EL_BUG_RIGHT,
10011         EL_BUG_DOWN,
10012         EL_BUG_LEFT
10013       },
10014
10015       {
10016         EL_SPACESHIP_UP,
10017         EL_SPACESHIP_RIGHT,
10018         EL_SPACESHIP_DOWN,
10019         EL_SPACESHIP_LEFT
10020       },
10021
10022       {
10023         EL_BD_BUTTERFLY_UP,
10024         EL_BD_BUTTERFLY_RIGHT,
10025         EL_BD_BUTTERFLY_DOWN,
10026         EL_BD_BUTTERFLY_LEFT
10027       },
10028
10029       {
10030         EL_BD_FIREFLY_UP,
10031         EL_BD_FIREFLY_RIGHT,
10032         EL_BD_FIREFLY_DOWN,
10033         EL_BD_FIREFLY_LEFT
10034       },
10035
10036       {
10037         EL_PACMAN_UP,
10038         EL_PACMAN_RIGHT,
10039         EL_PACMAN_DOWN,
10040         EL_PACMAN_LEFT
10041       },
10042
10043       {
10044         EL_YAMYAM_UP,
10045         EL_YAMYAM_RIGHT,
10046         EL_YAMYAM_DOWN,
10047         EL_YAMYAM_LEFT
10048       },
10049
10050       {
10051         EL_ARROW_UP,
10052         EL_ARROW_RIGHT,
10053         EL_ARROW_DOWN,
10054         EL_ARROW_LEFT
10055       },
10056
10057       {
10058         EL_SP_PORT_UP,
10059         EL_SP_PORT_RIGHT,
10060         EL_SP_PORT_DOWN,
10061         EL_SP_PORT_LEFT
10062       },
10063
10064       {
10065         EL_SP_GRAVITY_PORT_UP,
10066         EL_SP_GRAVITY_PORT_RIGHT,
10067         EL_SP_GRAVITY_PORT_DOWN,
10068         EL_SP_GRAVITY_PORT_LEFT
10069       },
10070
10071       {
10072         EL_SP_GRAVITY_ON_PORT_UP,
10073         EL_SP_GRAVITY_ON_PORT_RIGHT,
10074         EL_SP_GRAVITY_ON_PORT_DOWN,
10075         EL_SP_GRAVITY_ON_PORT_LEFT
10076       },
10077
10078       {
10079         EL_SP_GRAVITY_OFF_PORT_UP,
10080         EL_SP_GRAVITY_OFF_PORT_RIGHT,
10081         EL_SP_GRAVITY_OFF_PORT_DOWN,
10082         EL_SP_GRAVITY_OFF_PORT_LEFT
10083       },
10084
10085       {
10086         EL_MOLE_UP,
10087         EL_MOLE_RIGHT,
10088         EL_MOLE_DOWN,
10089         EL_MOLE_LEFT
10090       },
10091
10092       {
10093         EL_BALLOON_SWITCH_UP,
10094         EL_BALLOON_SWITCH_RIGHT,
10095         EL_BALLOON_SWITCH_DOWN,
10096         EL_BALLOON_SWITCH_LEFT
10097       },
10098
10099       {
10100         -1,
10101         -1,
10102         -1,
10103         -1,
10104       },
10105     };
10106     int i, j;
10107
10108     for (i = 0; swappable_elements[i][0] != -1; i++)
10109     {
10110       int element1 = swappable_elements[i][0];
10111       int element2 = swappable_elements[i][1];
10112
10113       if (old_element == element1 || old_element == element2)
10114         new_element = (old_element == element1 ? element2 : element1);
10115     }
10116
10117     for (i = 0; rotatable_elements[i][0] != -1; i++)
10118     {
10119       for (j = 0; j < 4; j++)
10120       {
10121         int element = rotatable_elements[i][j];
10122
10123         if (old_element == element)
10124           new_element = (button == 1 ? rotatable_elements[i][(j + 3) % 4] :
10125                          button == 2 ? rotatable_elements[i][0]           :
10126                          button == 3 ? rotatable_elements[i][(j + 1) % 4] :
10127                          old_element);
10128       }
10129     }
10130   }
10131
10132   SetElementSimple(x, y, new_element, change_level);
10133
10134   last_x = x;
10135   last_y = y;
10136 }
10137
10138 static void ResetIntelliDraw()
10139 {
10140   int x, y;
10141
10142   for (x = 0; x < lev_fieldx; x++)
10143     for (y = 0; y < lev_fieldy; y++)
10144       IntelliDrawBuffer[x][y] = Feld[x][y];
10145
10146   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
10147 }
10148
10149 static void SetElementExt(int x, int y, int element, boolean change_level,
10150                           int button)
10151 {
10152   if (element < 0)
10153     SetElementSimple(x, y, Feld[x][y], change_level);
10154   else if (GetKeyModState() & KMOD_Shift)
10155     SetElementIntelliDraw(x, y, element, change_level, button);
10156   else
10157     SetElementSimple(x, y, element, change_level);
10158 }
10159
10160 static void SetElement(int x, int y, int element)
10161 {
10162   SetElementExt(x, y, element, TRUE, -1);
10163 }
10164
10165 static void SetElementButton(int x, int y, int element, int button)
10166 {
10167   SetElementExt(x, y, element, TRUE, button);
10168 }
10169
10170 static void DrawLineElement(int sx, int sy, int element, boolean change_level)
10171 {
10172   int lx = sx + level_xpos;
10173   int ly = sy + level_ypos;
10174
10175   SetElementExt(lx, ly, element, change_level, -1);
10176 }
10177
10178 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
10179                      int element, boolean change_level)
10180 {
10181   int xsize = ABS(to_x - from_x);
10182   int ysize = ABS(to_y - from_y);
10183   int dx = (to_x < from_x ? -1 : +1);
10184   int dy = (to_y < from_y ? -1 : +1);
10185   int i;
10186
10187   if (from_y == to_y)                   /* horizontal line */
10188   {
10189     for (i = 0; i <= xsize; i++)
10190       DrawLineElement(from_x + i * dx, from_y, element, change_level);
10191   }
10192   else if (from_x == to_x)              /* vertical line */
10193   {
10194     for (i = 0; i <= ysize; i++)
10195       DrawLineElement(from_x, from_y + i * dy, element, change_level);
10196   }
10197   else                                  /* diagonal line */
10198   {
10199     if (ysize < xsize)                  /* a < 1 */
10200     {
10201       float a = (float)ysize / (float)xsize;
10202
10203       for (i = 0; i <= xsize; i++)
10204       {
10205         int x = dx * i;
10206         int y = dy * (int)(a * i + 0.5);
10207
10208         DrawLineElement(from_x + x, from_y + y, element, change_level);
10209       }
10210     }
10211     else                                /* a >= 1 */
10212     {
10213       float a = (float)xsize / (float)ysize;
10214
10215       for (i = 0; i <= ysize; i++)
10216       {
10217         int x = dx * (int)(a * i + 0.5);
10218         int y = dy * i;
10219
10220         DrawLineElement(from_x + x, from_y + y, element, change_level);
10221       }
10222     }
10223   }
10224 }
10225
10226 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
10227                     int element, boolean change_level)
10228 {
10229   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
10230   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
10231   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
10232   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
10233 }
10234
10235 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
10236                           int element, boolean change_level)
10237 {
10238   int y;
10239
10240   if (from_y > to_y)
10241     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
10242
10243   for (y = from_y; y <= to_y; y++)
10244     DrawLine(from_x, y, to_x, y, element, change_level);
10245 }
10246
10247 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
10248                        int element, boolean change_level)
10249 {
10250   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
10251   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
10252   int len_x = ABS(to_x - from_x);
10253   int len_y = ABS(to_y - from_y);
10254   int radius, x, y;
10255
10256   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
10257
10258   /* not optimal (some points get drawn twice) but simple,
10259      and fast enough for the few points we are drawing */
10260
10261   for (x = 0; x <= radius; x++)
10262   {
10263     int sx, sy, lx, ly;
10264
10265     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
10266
10267     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10268     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10269     lx = sx + level_xpos;
10270     ly = sy + level_ypos;
10271
10272     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10273       DrawLineElement(sx, sy, element, change_level);
10274   }
10275
10276   for (y = 0; y <= radius; y++)
10277   {
10278     int sx, sy, lx, ly;
10279
10280     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
10281
10282     sx = from_x + x * (from_x < to_x2 ? +1 : -1);
10283     sy = from_y + y * (from_y < to_y2 ? +1 : -1);
10284     lx = sx + level_xpos;
10285     ly = sy + level_ypos;
10286
10287     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10288       DrawLineElement(sx, sy, element, change_level);
10289   }
10290 }
10291
10292 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
10293                     int element, boolean change_level)
10294 {
10295   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10296   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10297
10298   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10299 }
10300
10301 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
10302
10303 #if DRAW_CIRCLES_BUTTON_AVAILABLE
10304 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
10305                        int element, boolean change_level)
10306 {
10307   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
10308   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
10309   int mirror_to_x2 = from_x - (to_x2 - from_x);
10310   int mirror_to_y2 = from_y - (to_y2 - from_y);
10311
10312   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
10313   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
10314   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
10315   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
10316 }
10317 #endif
10318
10319 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
10320 {
10321   int from_sx, from_sy;
10322   int to_sx, to_sy;
10323
10324   if (from_x > to_x)
10325     swap_numbers(&from_x, &to_x);
10326
10327   if (from_y > to_y)
10328     swap_numbers(&from_y, &to_y);
10329
10330   from_sx = SX + from_x * ed_tilesize;
10331   from_sy = SY + from_y * ed_tilesize;
10332   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
10333   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
10334
10335   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
10336   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
10337   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
10338   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
10339
10340   if (from_x == to_x && from_y == to_y)
10341     MarkTileDirty(from_x/2, from_y/2);
10342   else
10343     redraw_mask |= REDRAW_FIELD;
10344 }
10345
10346 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
10347                        int element, boolean change_level)
10348 {
10349   if (element == -1 || change_level)
10350     DrawBox(from_x, from_y, to_x, to_y, -1, FALSE);
10351   else
10352     DrawAreaBorder(from_x, from_y, to_x, to_y);
10353 }
10354
10355 /* values for CopyBrushExt() */
10356 #define CB_AREA_TO_BRUSH        0
10357 #define CB_BRUSH_TO_CURSOR      1
10358 #define CB_BRUSH_TO_LEVEL       2
10359 #define CB_DELETE_OLD_CURSOR    3
10360 #define CB_DUMP_BRUSH           4
10361 #define CB_DUMP_BRUSH_SMALL     5
10362
10363 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
10364                          int button, int mode)
10365 {
10366   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10367   static int brush_width, brush_height;
10368   static int last_cursor_x = -1, last_cursor_y = -1;
10369   static boolean delete_old_brush;
10370   int new_element = BUTTON_ELEMENT(button);
10371   int x, y;
10372
10373   if (mode == CB_DUMP_BRUSH ||
10374       mode == CB_DUMP_BRUSH_SMALL)
10375   {
10376     if (!draw_with_brush)
10377     {
10378       Error(ERR_WARN, "no brush selected");
10379
10380       return;
10381     }
10382
10383     for (y = 0; y < brush_height; y++)
10384     {
10385       for (x = 0; x < brush_width; x++)
10386       {
10387         int element = brush_buffer[x][y];
10388         int element_mapped = element;
10389
10390         if (IS_CUSTOM_ELEMENT(element))
10391           element_mapped = EL_CUSTOM_START;
10392         else if (IS_GROUP_ELEMENT(element))
10393           element_mapped = EL_GROUP_START;
10394         else if (element >= NUM_FILE_ELEMENTS)
10395           element_mapped = EL_UNKNOWN;
10396
10397         // dump brush as level sketch text for the R'n'D forum:
10398         // - large tiles: `xxx (0x60 ASCII)
10399         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
10400         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
10401       }
10402
10403       printf("\n");
10404     }
10405
10406     return;
10407   }
10408
10409   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
10410     return;
10411
10412   if (mode == CB_AREA_TO_BRUSH)
10413   {
10414     int from_lx, from_ly;
10415
10416     if (from_x > to_x)
10417       swap_numbers(&from_x, &to_x);
10418
10419     if (from_y > to_y)
10420       swap_numbers(&from_y, &to_y);
10421
10422     brush_width = to_x - from_x + 1;
10423     brush_height = to_y - from_y + 1;
10424
10425     from_lx = from_x + level_xpos;
10426     from_ly = from_y + level_ypos;
10427
10428     for (y = 0; y < brush_height; y++)
10429     {
10430       for (x = 0; x < brush_width; x++)
10431       {
10432         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
10433
10434         if (button != 1)
10435           DrawLineElement(from_x + x, from_y + y, new_element, TRUE);
10436       }
10437     }
10438
10439     if (button != 1)
10440       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10441
10442     delete_old_brush = FALSE;
10443   }
10444   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
10445            mode == CB_BRUSH_TO_LEVEL)
10446   {
10447     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
10448     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
10449     int cursor_from_x = cursor_x - brush_width / 2;
10450     int cursor_from_y = cursor_y - brush_height / 2;
10451     int border_from_x = cursor_x, border_from_y = cursor_y;
10452     int border_to_x = cursor_x, border_to_y = cursor_y;
10453
10454     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
10455       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10456
10457     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
10458         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
10459     {
10460       delete_old_brush = FALSE;
10461       return;
10462     }
10463
10464     for (y = 0; y < brush_height; y++)
10465     {
10466       for (x = 0; x < brush_width; x++)
10467       {
10468         int sx = cursor_from_x + x;
10469         int sy = cursor_from_y + y;
10470         int lx = sx + level_xpos;
10471         int ly = sy + level_ypos;
10472         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
10473         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
10474                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
10475                        brush_buffer[x][y] : new_element);
10476
10477         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
10478         {
10479           if (sx < border_from_x)
10480             border_from_x = sx;
10481           else if (sx > border_to_x)
10482             border_to_x = sx;
10483           if (sy < border_from_y)
10484             border_from_y = sy;
10485           else if (sy > border_to_y)
10486             border_to_y = sy;
10487
10488           DrawLineElement(sx, sy, element, change_level);
10489         }
10490       }
10491     }
10492
10493     if (mode != CB_DELETE_OLD_CURSOR)
10494       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
10495
10496     last_cursor_x = cursor_x;
10497     last_cursor_y = cursor_y;
10498     delete_old_brush = TRUE;
10499   }
10500 }
10501
10502 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
10503                             int button)
10504 {
10505   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
10506 }
10507
10508 static void CopyBrushToLevel(int x, int y, int button)
10509 {
10510   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
10511 }
10512
10513 static void CopyBrushToCursor(int x, int y)
10514 {
10515   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
10516 }
10517
10518 static void DeleteBrushFromCursor()
10519 {
10520   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
10521 }
10522
10523 void DumpBrush()
10524 {
10525   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
10526 }
10527
10528 void DumpBrush_Small()
10529 {
10530   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
10531 }
10532
10533 static void FloodFill(int from_x, int from_y, int fill_element)
10534 {
10535   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
10536 }
10537
10538 /* values for DrawLevelText() modes */
10539 #define TEXT_INIT               0
10540 #define TEXT_SETCURSOR          1
10541 #define TEXT_WRITECHAR          2
10542 #define TEXT_BACKSPACE          3
10543 #define TEXT_NEWLINE            4
10544 #define TEXT_END                5
10545 #define TEXT_QUERY_TYPING       6
10546
10547 static int DrawLevelText(int sx, int sy, char letter, int mode)
10548 {
10549   static short delete_buffer[MAX_LEV_FIELDX];
10550   static int start_sx;
10551   static int last_sx, last_sy;
10552   static boolean typing = FALSE;
10553   int letter_element = EL_CHAR_ASCII0 + letter;
10554   int lx = 0, ly = 0;
10555
10556   /* map lower case letters to upper case and convert special characters */
10557   if (letter >= 'a' && letter <= 'z')
10558     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
10559   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
10560     letter_element = EL_CHAR_AUMLAUT;
10561   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
10562     letter_element = EL_CHAR_OUMLAUT;
10563   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
10564     letter_element = EL_CHAR_UUMLAUT;
10565   else if (letter == '^')
10566     letter_element = EL_CHAR_COPYRIGHT;
10567   else
10568     letter_element = EL_CHAR_ASCII0 + letter;
10569
10570   if (mode != TEXT_INIT)
10571   {
10572     if (!typing)
10573       return FALSE;
10574
10575     if (mode != TEXT_SETCURSOR)
10576     {
10577       sx = last_sx;
10578       sy = last_sy;
10579     }
10580
10581     lx = last_sx + level_xpos;
10582     ly = last_sy + level_ypos;
10583   }
10584
10585   switch (mode)
10586   {
10587     case TEXT_INIT:
10588       if (typing)
10589         DrawLevelText(0, 0, 0, TEXT_END);
10590
10591       typing = TRUE;
10592       start_sx = sx;
10593       last_sx = sx;
10594       last_sy = sy;
10595       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
10596       break;
10597
10598     case TEXT_SETCURSOR:
10599       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
10600       DrawAreaBorder(sx, sy, sx, sy);
10601       last_sx = sx;
10602       last_sy = sy;
10603       break;
10604
10605     case TEXT_WRITECHAR:
10606       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
10607       {
10608         if (new_element1 >= EL_STEEL_CHAR_START &&
10609             new_element1 <= EL_STEEL_CHAR_END)
10610           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
10611
10612         delete_buffer[sx - start_sx] = Feld[lx][ly];
10613         Feld[lx][ly] = letter_element;
10614
10615         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
10616           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
10617         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
10618           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10619         else
10620           DrawLevelText(0, 0, 0, TEXT_END);
10621
10622         level.changed = TRUE;
10623       }
10624       break;
10625
10626     case TEXT_BACKSPACE:
10627       if (sx > start_sx)
10628       {
10629         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
10630         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
10631         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
10632       }
10633       break;
10634
10635     case TEXT_NEWLINE:
10636       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
10637         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
10638       else
10639         DrawLevelText(0, 0, 0, TEXT_END);
10640       break;
10641
10642     case TEXT_END:
10643       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10644       DrawEditorElement(sx, sy, Feld[lx][ly]);
10645       typing = FALSE;
10646       break;
10647
10648     case TEXT_QUERY_TYPING:
10649       break;
10650
10651     default:
10652       break;
10653   }
10654
10655   return typing;
10656 }
10657
10658 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
10659                           int element, boolean change_level)
10660 {
10661   int lx = sx + level_xpos;
10662   int ly = sy + level_ypos;
10663
10664   if (element == -1)
10665     DrawEditorElement(sx, sy, Feld[lx][ly]);
10666   else
10667     DrawAreaBorder(sx, sy, sx, sy);
10668 }
10669
10670 static void CheckLevelBorderElement(boolean redraw_playfield)
10671 {
10672   int last_border_element = BorderElement;
10673
10674   SetBorderElement();
10675
10676   if (redraw_playfield && BorderElement != last_border_element)
10677     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10678 }
10679
10680 static void CopyLevelToUndoBuffer(int mode)
10681 {
10682   static boolean accumulated_undo = FALSE;
10683   boolean new_undo_buffer_position = TRUE;
10684   int x, y;
10685
10686   if (undo_buffer_steps == 0)
10687     accumulated_undo = FALSE;
10688
10689   switch (mode)
10690   {
10691     case UNDO_IMMEDIATE:
10692       accumulated_undo = FALSE;
10693       break;
10694
10695     case UNDO_ACCUMULATE:
10696       if (accumulated_undo)
10697         new_undo_buffer_position = FALSE;
10698       accumulated_undo = TRUE;
10699       break;
10700
10701     default:
10702       break;
10703   }
10704
10705   if (new_undo_buffer_position)
10706   {
10707     /* advance position in undo buffer ring */
10708     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
10709
10710     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
10711       undo_buffer_steps++;
10712   }
10713
10714   /* always reset redo buffer when storing level change into undo buffer */
10715   redo_buffer_steps = 0;
10716
10717   for (x = 0; x < lev_fieldx; x++)
10718     for (y = 0; y < lev_fieldy; y++)
10719       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
10720
10721   /* check if drawing operation forces change of border style */
10722   CheckLevelBorderElement(TRUE);
10723
10724   level.changed = TRUE;
10725 }
10726
10727 static void RandomPlacement(int new_element)
10728 {
10729   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
10730   int num_free_positions = 0;
10731   int num_percentage, num_elements;
10732   int x, y;
10733
10734   ResetIntelliDraw();
10735
10736   /* determine number of free positions for randomly placing the new element */
10737   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
10738   {
10739     free_position[x][y] =
10740       (random_placement_background_restricted ?
10741        Feld[x][y] == random_placement_background_element :
10742        Feld[x][y] != new_element);
10743
10744     if (free_position[x][y])
10745       num_free_positions++;
10746   }
10747
10748   /* determine number of new elements to place there */
10749   num_percentage = num_free_positions * random_placement_value / 100;
10750   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
10751                   num_percentage : random_placement_value);
10752
10753   /* if less free positions than elements to place, fill all these positions */
10754   if (num_free_positions < num_elements)
10755   {
10756     for (x = 0; x < lev_fieldx; x++)
10757       for (y = 0; y < lev_fieldy; y++)
10758         if (free_position[x][y])
10759           SetElement(x, y, new_element);
10760   }
10761   else
10762   {
10763     while (num_elements > 0)
10764     {
10765       x = GetSimpleRandom(lev_fieldx);
10766       y = GetSimpleRandom(lev_fieldy);
10767
10768       /* don't place element at the same position twice */
10769       if (free_position[x][y])
10770       {
10771         free_position[x][y] = FALSE;
10772         SetElement(x, y, new_element);
10773         num_elements--;
10774       }
10775     }
10776   }
10777
10778   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10779   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10780 }
10781
10782 void WrapLevel(int dx, int dy)
10783 {
10784   int wrap_dx = lev_fieldx - dx;
10785   int wrap_dy = lev_fieldy - dy;
10786   int x, y;
10787
10788   for (x = 0; x < lev_fieldx; x++)
10789     for (y = 0; y < lev_fieldy; y++)
10790       FieldBackup[x][y] = Feld[x][y];
10791
10792   for (x = 0; x < lev_fieldx; x++)
10793     for (y = 0; y < lev_fieldy; y++)
10794       Feld[x][y] =
10795         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
10796
10797   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10798   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
10799 }
10800
10801 static void HandleDrawingAreas(struct GadgetInfo *gi)
10802 {
10803   static boolean started_inside_drawing_area = FALSE;
10804   int id = gi->custom_id;
10805   boolean button_press_event;
10806   boolean button_release_event;
10807   boolean inside_drawing_area = !gi->event.off_borders;
10808   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
10809   int actual_drawing_function;
10810   int button = gi->event.button;
10811   int new_element = BUTTON_ELEMENT(button);
10812   int sx = gi->event.x, sy = gi->event.y;
10813   int min_sx = 0, min_sy = 0;
10814   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
10815   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
10816   int lx = 0, ly = 0;
10817   int min_lx = 0, min_ly = 0;
10818   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
10819   int x, y;
10820
10821   /* handle info callback for each invocation of action callback */
10822   gi->callback_info(gi);
10823
10824   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
10825   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
10826
10827   /* make sure to stay inside drawing area boundaries */
10828   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
10829   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
10830
10831   if (draw_level)
10832   {
10833     /* get positions inside level field */
10834     lx = sx + level_xpos;
10835     ly = sy + level_ypos;
10836
10837     if (!IN_LEV_FIELD(lx, ly))
10838       inside_drawing_area = FALSE;
10839
10840     /* make sure to stay inside level field boundaries */
10841     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
10842     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
10843
10844     /* correct drawing area positions accordingly */
10845     sx = lx - level_xpos;
10846     sy = ly - level_ypos;
10847   }
10848
10849   if (button_press_event)
10850     started_inside_drawing_area = inside_drawing_area;
10851
10852   if (!started_inside_drawing_area)
10853     return;
10854
10855   if (!IS_VALID_BUTTON(button))
10856     return;
10857
10858   if (!button && !button_release_event)
10859     return;
10860
10861   /* automatically switch to 'single item' drawing mode, if needed */
10862   actual_drawing_function =
10863     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
10864      drawing_function : GADGET_ID_SINGLE_ITEMS);
10865
10866   /* clicking into drawing area with pressed Control key picks element */
10867   if (GetKeyModState() & KMOD_Control)
10868   {
10869     last_drawing_function = drawing_function;
10870     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
10871   }
10872
10873   if (GetKeyModState() & KMOD_Shift)
10874   {
10875     if (button_press_event || button_release_event)
10876       ResetIntelliDraw();
10877   }
10878
10879   switch (actual_drawing_function)
10880   {
10881     case GADGET_ID_SINGLE_ITEMS:
10882       if (draw_level)
10883       {
10884         if (button_release_event)
10885         {
10886           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10887
10888           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
10889               !inside_drawing_area)
10890             DeleteBrushFromCursor();
10891         }
10892
10893         if (!button || button_release_event)
10894           break;
10895
10896         if (draw_with_brush)
10897         {
10898           CopyBrushToLevel(sx, sy, button);
10899         }
10900         else
10901         {
10902           if (new_element == EL_PLAYER_1)
10903           {
10904             /* remove player at old position */
10905             for (y = 0; y < lev_fieldy; y++)
10906               for (x = 0; x < lev_fieldx; x++)
10907                 if (Feld[x][y] == EL_PLAYER_1)
10908                   SetElement(x, y, EL_EMPTY);
10909           }
10910
10911           SetElementButton(lx, ly, new_element, button);
10912         }
10913       }
10914       else
10915       {
10916         int type_id = gi->custom_type_id;
10917         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
10918
10919         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
10920           DrawMiniGraphicExt(drawto,
10921                              gi->x + sx * MINI_TILEX,
10922                              gi->y + sy * MINI_TILEY,
10923                              el2edimg(new_element));
10924         else
10925           DrawFixedGraphicExt(drawto,
10926                               gi->x + sx * TILEX,
10927                               gi->y + sy * TILEY,
10928                               el2img(new_element), 0);
10929
10930         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10931           new_element = GFX_ELEMENT(new_element);
10932
10933         drawingarea_info[type_id].value[pos] = new_element;
10934
10935         CopyElementPropertiesToGame(properties_element);
10936
10937         if (id == GADGET_ID_CUSTOM_GRAPHIC)
10938         {
10939           UpdateCustomElementGraphicGadgets();
10940
10941           FrameCounter = 0;     /* restart animation frame counter */
10942         }
10943       }
10944       break;
10945
10946     case GADGET_ID_CONNECTED_ITEMS:
10947       {
10948         static int last_sx = -1;
10949         static int last_sy = -1;
10950
10951         if (button_release_event)
10952           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
10953
10954         if (button)
10955         {
10956           if (!button_press_event)
10957             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
10958
10959           last_sx = sx;
10960           last_sy = sy;
10961         }
10962       }
10963       break;
10964
10965     case GADGET_ID_LINE:
10966     case GADGET_ID_ARC:
10967     case GADGET_ID_RECTANGLE:
10968     case GADGET_ID_FILLED_BOX:
10969     case GADGET_ID_GRAB_BRUSH:
10970     case GADGET_ID_TEXT:
10971       {
10972         static int last_sx = -1;
10973         static int last_sy = -1;
10974         static int start_sx = -1;
10975         static int start_sy = -1;
10976         void (*draw_func)(int, int, int, int, int, boolean);
10977
10978         if (drawing_function == GADGET_ID_LINE)
10979           draw_func = DrawLine;
10980         else if (drawing_function == GADGET_ID_ARC)
10981           draw_func = DrawArc;
10982         else if (drawing_function == GADGET_ID_RECTANGLE)
10983           draw_func = DrawBox;
10984         else if (drawing_function == GADGET_ID_FILLED_BOX)
10985           draw_func = DrawFilledBox;
10986         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
10987           draw_func = SelectArea;
10988         else /* (drawing_function == GADGET_ID_TEXT) */
10989           draw_func = SetTextCursor;
10990
10991         if (button_press_event)
10992         {
10993           draw_func(sx, sy, sx, sy, new_element, FALSE);
10994           start_sx = last_sx = sx;
10995           start_sy = last_sy = sy;
10996
10997           if (drawing_function == GADGET_ID_TEXT)
10998             DrawLevelText(0, 0, 0, TEXT_END);
10999         }
11000         else if (button_release_event)
11001         {
11002           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
11003           if (drawing_function == GADGET_ID_GRAB_BRUSH)
11004           {
11005             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
11006             CopyBrushToCursor(sx, sy);
11007             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11008                           MB_LEFTBUTTON);
11009             draw_with_brush = TRUE;
11010           }
11011           else if (drawing_function == GADGET_ID_TEXT)
11012             DrawLevelText(sx, sy, 0, TEXT_INIT);
11013           else
11014             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11015         }
11016         else if (last_sx != sx || last_sy != sy)
11017         {
11018           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
11019           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
11020           last_sx = sx;
11021           last_sy = sy;
11022         }
11023       }
11024       break;
11025
11026     case GADGET_ID_FLOOD_FILL:
11027       if (button_press_event && Feld[lx][ly] != new_element)
11028       {
11029         FloodFill(lx, ly, new_element);
11030         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11031         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11032       }
11033       break;
11034
11035     case GADGET_ID_PICK_ELEMENT:
11036       if (button_release_event)
11037         ClickOnGadget(level_editor_gadget[last_drawing_function],
11038                       MB_LEFTBUTTON);
11039       else if (draw_level)
11040         PickDrawingElement(button, Feld[lx][ly]);
11041       else
11042       {
11043         int type_id = gi->custom_type_id;
11044         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
11045
11046         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
11047       }
11048
11049       break;
11050
11051     default:
11052       break;
11053   }
11054 }
11055
11056 static void HandleCounterButtons(struct GadgetInfo *gi)
11057 {
11058   int gadget_id = gi->custom_id;
11059   int counter_id = gi->custom_type_id;
11060   int button = gi->event.button;
11061   int *counter_value = counterbutton_info[counter_id].value;
11062   int step = BUTTON_STEPSIZE(button) *
11063     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
11064
11065   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11066   {
11067     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
11068     boolean released = (gi->event.type == GD_EVENT_RELEASED);
11069     boolean level_changed = LevelChanged();
11070
11071     if ((level_changed && pressed) || (!level_changed && released))
11072       return;
11073
11074     if (level_changed && !Request("Level has changed! Discard changes?",
11075                                   REQ_ASK))
11076     {
11077       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11078         ModifyEditorCounterValue(counter_id, *counter_value);
11079
11080       return;
11081     }
11082   }
11083
11084   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
11085     *counter_value = gi->textinput.number_value;
11086   else
11087     ModifyEditorCounterValue(counter_id, *counter_value + step);
11088
11089   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
11090   {
11091       LoadLevel(level_nr);
11092       LoadScore(level_nr);
11093
11094       TapeErase();
11095
11096       ResetUndoBuffer();
11097       DrawEditModeWindow();
11098
11099       return;
11100   }
11101
11102   switch (counter_id)
11103   {
11104     case ED_COUNTER_ID_YAMYAM_CONTENT:
11105       DrawYamYamContentAreas();
11106       break;
11107
11108     case ED_COUNTER_ID_BALL_CONTENT:
11109       DrawMagicBallContentAreas();
11110       break;
11111
11112     case ED_COUNTER_ID_ANDROID_CONTENT:
11113       DrawAndroidElementArea(properties_element);
11114       break;
11115
11116     case ED_COUNTER_ID_GROUP_CONTENT:
11117       DrawGroupElementArea(properties_element);
11118       CopyGroupElementPropertiesToGame(properties_element);
11119       break;
11120
11121     case ED_COUNTER_ID_INVENTORY_SIZE:
11122       DrawPlayerInitialInventoryArea(properties_element);
11123       break;
11124
11125     case ED_COUNTER_ID_ENVELOPE_XSIZE:
11126     case ED_COUNTER_ID_ENVELOPE_YSIZE:
11127       DrawEnvelopeTextArea(-1);
11128       break;
11129
11130     case ED_COUNTER_ID_LEVEL_XSIZE:
11131     case ED_COUNTER_ID_LEVEL_YSIZE:
11132       lev_fieldx = level.fieldx;
11133       lev_fieldy = level.fieldy;
11134
11135       /* check if resizing of level results in change of border border */
11136       SetBorderElement();
11137
11138       break;
11139
11140     default:
11141       break;
11142   }
11143
11144   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
11145        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
11146       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
11147        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
11148     CopyElementPropertiesToGame(properties_element);
11149
11150   level.changed = TRUE;
11151 }
11152
11153 static void HandleTextInputGadgets(struct GadgetInfo *gi)
11154 {
11155   int type_id = gi->custom_type_id;
11156
11157   strcpy(textinput_info[type_id].value, gi->textinput.value);
11158
11159   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
11160   {
11161     CopyElementPropertiesToGame(properties_element);
11162
11163     ModifyEditorElementList();  /* update changed button info text */
11164   }
11165
11166   level.changed = TRUE;
11167 }
11168
11169 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
11170 {
11171   int type_id = gi->custom_type_id;
11172
11173   strncpy(textarea_info[type_id].value, gi->textarea.value,
11174           MAX_ENVELOPE_TEXT_LEN);
11175   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
11176
11177   level.changed = TRUE;
11178 }
11179
11180 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
11181 {
11182   int type_id = gi->custom_type_id;
11183   int value_old = *selectbox_info[type_id].value;
11184   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
11185
11186   *selectbox_info[type_id].value = value_new;
11187
11188   if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
11189   {
11190     element_info[properties_element].current_change_page = gi->selectbox.index;
11191
11192     DrawPropertiesWindow();
11193   }
11194   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
11195             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
11196            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
11197             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
11198            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
11199   {
11200     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
11201     {
11202       /* when changing action type, also check action mode and action arg */
11203       if (value_old != value_new)
11204         setSelectboxSpecialActionVariablesIfNeeded();
11205
11206       DrawPropertiesChange();
11207     }
11208
11209     CopyElementPropertiesToGame(properties_element);
11210
11211     level.changed = TRUE;
11212   }
11213 }
11214
11215 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
11216 {
11217   int type_id = gi->custom_type_id;
11218   int i;
11219
11220   if (type_id >= ED_TEXTBUTTON_ID_LEVELINFO_FIRST &&
11221       type_id <= ED_TEXTBUTTON_ID_LEVELINFO_LAST)
11222   {
11223     edit_mode_levelinfo = gi->custom_type_id;
11224
11225     DrawLevelInfoWindow();
11226   }
11227   else if (type_id >= ED_TEXTBUTTON_ID_PROPERTIES_FIRST &&
11228            type_id <= ED_TEXTBUTTON_ID_PROPERTIES_LAST)
11229   {
11230     edit_mode_properties = gi->custom_type_id;
11231
11232     DrawPropertiesWindow();
11233   }
11234   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE)
11235   {
11236     char *template_filename = getDefaultLevelFilename(-1);
11237     boolean new_template = !fileExists(template_filename);
11238
11239     /* backup original "level.field" (needed to track playfield changes) */
11240     CopyPlayfield(level.field, FieldBackup);
11241
11242     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
11243     CopyPlayfield(Feld, level.field);
11244
11245     if (new_template ||
11246         Request("Save this template and kill the old?", REQ_ASK))
11247       SaveLevelTemplate();
11248
11249     if (new_template)
11250       Request("Template saved!", REQ_CONFIRM);
11251
11252     /* restore original "level.field" (needed to track playfield changes) */
11253     CopyPlayfield(FieldBackup, level.field);
11254   }
11255   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
11256            custom_element.num_change_pages < MAX_CHANGE_PAGES)
11257   {
11258     struct ElementInfo *ei = &element_info[properties_element];
11259
11260     setElementChangePages(ei, ei->num_change_pages + 1);
11261
11262     /* set new change page to be new current change page */
11263     ei->current_change_page = ei->num_change_pages - 1;
11264     ei->change = &ei->change_page[ei->current_change_page];
11265
11266     setElementChangeInfoToDefaults(ei->change);
11267
11268     DrawPropertiesWindow();
11269
11270     level.changed = TRUE;
11271   }
11272   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
11273            custom_element.num_change_pages > MIN_CHANGE_PAGES)
11274   {
11275     struct ElementInfo *ei = &element_info[properties_element];
11276
11277     /* copy all change pages after change page to be deleted */
11278     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
11279       ei->change_page[i] = ei->change_page[i + 1];
11280
11281     setElementChangePages(ei, ei->num_change_pages - 1);
11282
11283     DrawPropertiesWindow();
11284
11285     level.changed = TRUE;
11286   }
11287 }
11288
11289 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
11290 {
11291   int type_id = gi->custom_type_id;
11292
11293   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
11294       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
11295   {
11296     struct ElementInfo *ei = &element_info[properties_element];
11297     int step = BUTTON_STEPSIZE(gi->event.button);
11298
11299     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
11300     ei->current_change_page += step;
11301
11302     if (ei->current_change_page < 0)
11303       ei->current_change_page = 0;
11304     else if (ei->current_change_page >= ei->num_change_pages)
11305       ei->current_change_page = ei->num_change_pages - 1;
11306
11307     DrawPropertiesWindow();
11308   }
11309   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
11310            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11311   {
11312     struct ElementInfo *ei = &element_info[properties_element];
11313     int current_change_page = ei->current_change_page;
11314
11315     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
11316       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
11317         ei->change_page[current_change_page];
11318     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
11319     {
11320       ei->change_page[current_change_page] =
11321         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
11322
11323       level.changed = TRUE;
11324     }
11325
11326     DrawPropertiesWindow();
11327   }
11328 }
11329
11330 static void HandleRadiobuttons(struct GadgetInfo *gi)
11331 {
11332   *radiobutton_info[gi->custom_type_id].value =
11333     radiobutton_info[gi->custom_type_id].checked_value;
11334
11335   level.changed = TRUE;
11336 }
11337
11338 static void HandleCheckbuttons(struct GadgetInfo *gi)
11339 {
11340   int type_id = gi->custom_type_id;
11341
11342   *checkbutton_info[type_id].value ^= TRUE;
11343
11344   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
11345       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
11346       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
11347       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
11348          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
11349         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
11350          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
11351        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE))
11352   {
11353     CopyElementPropertiesToGame(properties_element);
11354   }
11355
11356   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
11357   {
11358     UpdateCustomElementGraphicGadgets();
11359   }
11360   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE)
11361   {
11362     char *template_filename = getDefaultLevelFilename(-1);
11363
11364     if (level.use_custom_template && !fileExists(template_filename))
11365     {
11366       Request("No level template found!", REQ_CONFIRM);
11367
11368       level.use_custom_template = FALSE;
11369       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
11370
11371       return;
11372     }
11373
11374     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
11375
11376     DrawEditModeWindow();
11377   }
11378
11379   level.changed = TRUE;
11380 }
11381
11382 static void HandleControlButtons(struct GadgetInfo *gi)
11383 {
11384   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
11385   static int last_edit_mode = ED_MODE_DRAWING;
11386   static int last_custom_copy_mode = -1;
11387   int id = gi->custom_id;
11388   int button = gi->event.button;
11389   int step = BUTTON_STEPSIZE(button);
11390   int new_element = BUTTON_ELEMENT(button);
11391   int x, y;
11392
11393   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
11394     DrawLevelText(0, 0, 0, TEXT_END);
11395
11396   if (id < ED_NUM_CTRL1_BUTTONS &&
11397       id != GADGET_ID_SINGLE_ITEMS &&
11398       id != GADGET_ID_PICK_ELEMENT &&
11399       edit_mode != ED_MODE_DRAWING &&
11400       drawing_function != GADGET_ID_PICK_ELEMENT &&
11401       !(GetKeyModState() & KMOD_Control))
11402   {
11403     DrawDrawingWindow();
11404     edit_mode = ED_MODE_DRAWING;
11405   }
11406
11407   /* element copy mode active, but no element button pressed => deactivate */
11408   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
11409     last_custom_copy_mode = -1;
11410
11411   switch (id)
11412   {
11413     case GADGET_ID_SCROLL_LEFT:
11414       if (level_xpos >= 0)
11415       {
11416         if (lev_fieldx < ed_fieldx - 2)
11417           break;
11418
11419         level_xpos -= step;
11420         if (level_xpos < -1)
11421           level_xpos = -1;
11422         if (button == 1)
11423           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
11424         else
11425           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11426
11427         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11428                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11429       }
11430       break;
11431
11432     case GADGET_ID_SCROLL_RIGHT:
11433       if (level_xpos <= lev_fieldx - ed_fieldx)
11434       {
11435         if (lev_fieldx < ed_fieldx - 2)
11436           break;
11437
11438         level_xpos += step;
11439         if (level_xpos > lev_fieldx - ed_fieldx + 1)
11440           level_xpos = lev_fieldx - ed_fieldx + 1;
11441         if (button == 1)
11442           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
11443         else
11444           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11445
11446         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
11447                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
11448       }
11449       break;
11450
11451     case GADGET_ID_SCROLL_UP:
11452       if (level_ypos >= 0)
11453       {
11454         if (lev_fieldy < ed_fieldy - 2)
11455           break;
11456
11457         level_ypos -= step;
11458         if (level_ypos < -1)
11459           level_ypos = -1;
11460         if (button == 1)
11461           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
11462         else
11463           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11464
11465         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11466                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11467       }
11468       break;
11469
11470     case GADGET_ID_SCROLL_DOWN:
11471       if (level_ypos <= lev_fieldy - ed_fieldy)
11472       {
11473         if (lev_fieldy < ed_fieldy - 2)
11474           break;
11475
11476         level_ypos += step;
11477         if (level_ypos > lev_fieldy - ed_fieldy + 1)
11478           level_ypos = lev_fieldy - ed_fieldy + 1;
11479         if (button == 1)
11480           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
11481         else
11482           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11483
11484         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
11485                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
11486       }
11487       break;
11488
11489     case GADGET_ID_SCROLL_HORIZONTAL:
11490       level_xpos = gi->event.item_position - 1;
11491
11492       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11493       BackToFront();
11494
11495       break;
11496
11497     case GADGET_ID_SCROLL_VERTICAL:
11498       level_ypos = gi->event.item_position - 1;
11499
11500       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11501       BackToFront();
11502
11503       break;
11504
11505     case GADGET_ID_SCROLL_LIST_UP:
11506     case GADGET_ID_SCROLL_LIST_DOWN:
11507     case GADGET_ID_SCROLL_LIST_VERTICAL:
11508       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
11509         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
11510       else
11511       {
11512         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
11513         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
11514
11515         if (element_shift < 0)
11516           element_shift = 0;
11517         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11518           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11519
11520         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11521                      GDI_SCROLLBAR_ITEM_POSITION,
11522                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11523       }
11524
11525       ModifyEditorElementList();
11526
11527       break;
11528
11529     case GADGET_ID_PROPERTIES:
11530       if (edit_mode != ED_MODE_PROPERTIES)
11531       {
11532         properties_element = new_element;
11533         DrawPropertiesWindow();
11534         edit_mode = ED_MODE_PROPERTIES;
11535
11536         last_level_drawing_function = drawing_function;
11537         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
11538                       MB_LEFTBUTTON);
11539       }
11540       else
11541       {
11542         DrawDrawingWindow();
11543         edit_mode = ED_MODE_DRAWING;
11544
11545         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
11546                       MB_LEFTBUTTON);
11547       }
11548       break;
11549
11550     case GADGET_ID_WRAP_LEFT:
11551       WrapLevel(-step, 0);
11552       break;
11553
11554     case GADGET_ID_WRAP_RIGHT:
11555       WrapLevel(step, 0);
11556       break;
11557
11558     case GADGET_ID_WRAP_UP:
11559       WrapLevel(0, -step);
11560       break;
11561
11562     case GADGET_ID_WRAP_DOWN:
11563       WrapLevel(0, step);
11564       break;
11565
11566     case GADGET_ID_SINGLE_ITEMS:
11567     case GADGET_ID_CONNECTED_ITEMS:
11568     case GADGET_ID_LINE:
11569     case GADGET_ID_ARC:
11570     case GADGET_ID_TEXT:
11571     case GADGET_ID_RECTANGLE:
11572     case GADGET_ID_FILLED_BOX:
11573     case GADGET_ID_FLOOD_FILL:
11574     case GADGET_ID_GRAB_BRUSH:
11575     case GADGET_ID_PICK_ELEMENT:
11576       if (drawing_function != GADGET_ID_PICK_ELEMENT)
11577         last_drawing_function = drawing_function;
11578       drawing_function = id;
11579       draw_with_brush = FALSE;
11580       break;
11581
11582     case GADGET_ID_RANDOM_PLACEMENT:
11583       RandomPlacement(new_element);
11584       break;
11585
11586     case GADGET_ID_ZOOM:
11587       // zoom level editor tile size in or out (or reset to default size)
11588       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
11589                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
11590                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
11591
11592       // limit zoom level by upper and lower bound
11593       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
11594
11595       InitZoomLevelSettings();
11596
11597       if (edit_mode == ED_MODE_DRAWING)
11598         DrawDrawingWindow();
11599
11600       break;
11601
11602     case GADGET_ID_CUSTOM_COPY_FROM:
11603     case GADGET_ID_CUSTOM_COPY_TO:
11604     case GADGET_ID_CUSTOM_EXCHANGE:
11605       last_custom_copy_mode = id;
11606       last_drawing_function = drawing_function;
11607       break;
11608
11609     case GADGET_ID_CUSTOM_COPY:
11610       CopyCustomElement(properties_element, -1, id);
11611       break;
11612
11613     case GADGET_ID_CUSTOM_PASTE:
11614       CopyCustomElement(-1, properties_element, id);
11615       break;
11616
11617     case GADGET_ID_UNDO:
11618       if (button == 1 && undo_buffer_steps == 0)
11619       {
11620         Request("Undo buffer empty!", REQ_CONFIRM);
11621
11622         break;
11623       }
11624       else if (button == 2)
11625       {
11626         break;
11627       }
11628       else if (button == 3 && redo_buffer_steps == 0)
11629       {
11630         Request("Redo buffer empty!", REQ_CONFIRM);
11631
11632         break;
11633       }
11634
11635       if (edit_mode != ED_MODE_DRAWING)
11636       {
11637         DrawDrawingWindow();
11638         edit_mode = ED_MODE_DRAWING;
11639       }
11640
11641       if (button == 1)
11642       {
11643         /* undo */
11644
11645         undo_buffer_position =
11646           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
11647
11648         undo_buffer_steps--;
11649         redo_buffer_steps++;
11650       }
11651       else
11652       {
11653         /* redo */
11654
11655         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
11656
11657         undo_buffer_steps++;
11658         redo_buffer_steps--;
11659       }
11660
11661       for (x = 0; x < lev_fieldx; x++)
11662         for (y = 0; y < lev_fieldy; y++)
11663           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
11664
11665       /* check if undo operation forces change of border style */
11666       CheckLevelBorderElement(FALSE);
11667
11668       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11669
11670       break;
11671
11672     case GADGET_ID_INFO:
11673       if (edit_mode != ED_MODE_INFO)
11674       {
11675         last_edit_mode = edit_mode;
11676         edit_mode = ED_MODE_INFO;
11677
11678         DrawLevelInfoWindow();
11679       }
11680       else
11681       {
11682         edit_mode = last_edit_mode;
11683
11684         DrawEditModeWindow();
11685       }
11686       break;
11687
11688     case GADGET_ID_CLEAR:
11689       if (edit_mode != ED_MODE_DRAWING)
11690       {
11691         DrawDrawingWindow();
11692         edit_mode = ED_MODE_DRAWING;
11693       }
11694
11695       for (x = 0; x < MAX_LEV_FIELDX; x++)
11696         for (y = 0; y < MAX_LEV_FIELDY; y++)
11697           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
11698
11699       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
11700
11701       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
11702       break;
11703
11704     case GADGET_ID_SAVE:
11705     {
11706       /* saving read-only levels into personal level set modifies global vars
11707          "leveldir_current" and "level_nr"; restore them after saving level */
11708       LevelDirTree *leveldir_former = leveldir_current;
11709       int level_nr_former = level_nr;
11710       char *level_filename;
11711       boolean new_level;
11712
11713       if (leveldir_current->readonly &&
11714           !PrepareSavingIntoPersonalLevelSet())
11715         break;
11716
11717       level_filename = getDefaultLevelFilename(level_nr);
11718       new_level = !fileExists(level_filename);
11719
11720       if (new_level ||
11721           Request("Save this level and kill the old?", REQ_ASK))
11722       {
11723         if (leveldir_former->readonly)
11724           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
11725
11726         CopyPlayfield(Feld, level.field);
11727         SaveLevel(level_nr);
11728
11729         level.changed = FALSE;
11730
11731         if (new_level)
11732         {
11733           char level_saved_msg[64];
11734
11735           if (leveldir_former->readonly)
11736             sprintf(level_saved_msg,
11737                     "Level saved as level %d into personal level set!",
11738                     level_nr);
11739           else
11740             strcpy(level_saved_msg, "Level saved!");
11741
11742           Request(level_saved_msg, REQ_CONFIRM);
11743         }
11744       }
11745
11746       /* "cd" back to copied-from levelset (in case of saved read-only level) */
11747       leveldir_current = leveldir_former;
11748       level_nr = level_nr_former;
11749
11750       break;
11751     }
11752
11753     case GADGET_ID_TEST:
11754       if (LevelChanged())
11755         level.game_version = GAME_VERSION_ACTUAL;
11756
11757       CopyPlayfield(level.field, FieldBackup);
11758       CopyPlayfield(Feld, level.field);
11759
11760       CopyNativeLevel_RND_to_Native(&level);
11761
11762       UnmapLevelEditorGadgets();
11763       UndrawSpecialEditorDoor();
11764
11765       CloseDoor(DOOR_CLOSE_ALL);
11766
11767       /* needed before playing if editor playfield area has different size */
11768       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
11769
11770       // redraw_mask = REDRAW_ALL;
11771
11772       level_editor_test_game = TRUE;
11773
11774       StartGameActions(FALSE, setup.autorecord, level.random_seed);
11775
11776       break;
11777
11778     case GADGET_ID_EXIT:
11779       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
11780       break;
11781
11782     default:
11783       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
11784           id <= GADGET_ID_ELEMENTLIST_LAST)
11785       {
11786         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
11787         int new_element = editor_elements[element_position + element_shift];
11788
11789         if (IS_EDITOR_CASCADE(new_element))
11790         {
11791           int i;
11792
11793           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
11794           {
11795             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
11796             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
11797
11798             if (*cascade_element == new_element)
11799             {
11800               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
11801               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
11802
11803               /* update element selection list */
11804               ReinitializeElementList();
11805               ModifyEditorElementList();
11806
11807               /* update cascading gadget info text */
11808               PrintEditorGadgetInfoText(level_editor_gadget[id]);
11809
11810               /* save current editor cascading state */
11811               SaveSetup_EditorCascade();
11812
11813               break;
11814             }
11815           }
11816
11817           break;
11818         }
11819
11820         if (last_custom_copy_mode != -1)
11821         {
11822           if (CopyCustomElement(properties_element, new_element,
11823                                 last_custom_copy_mode))
11824           {
11825             ClickOnGadget(level_editor_gadget[last_drawing_function],
11826                           MB_LEFTBUTTON);
11827
11828             last_custom_copy_mode = -1;
11829           }
11830
11831           break;
11832         }
11833
11834         PickDrawingElement(button, new_element);
11835
11836         if (!stick_element_properties_window &&
11837             drawing_function != GADGET_ID_PICK_ELEMENT &&
11838             !(GetKeyModState() & KMOD_Control))
11839         {
11840           properties_element = new_element;
11841           if (edit_mode == ED_MODE_PROPERTIES)
11842             DrawPropertiesWindow();
11843         }
11844
11845         if (drawing_function == GADGET_ID_PICK_ELEMENT)
11846           ClickOnGadget(level_editor_gadget[last_drawing_function],
11847                         MB_LEFTBUTTON);
11848       }
11849 #ifdef DEBUG
11850       else if (gi->event.type == GD_EVENT_PRESSED)
11851         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
11852       else if (gi->event.type == GD_EVENT_RELEASED)
11853         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
11854       else if (gi->event.type == GD_EVENT_MOVING)
11855         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
11856       else
11857         printf("default: HandleControlButtons: ? (id == %d)\n", id);
11858 #endif
11859       break;
11860   }
11861 }
11862
11863 void HandleLevelEditorKeyInput(Key key)
11864 {
11865   char letter = getCharFromKey(key);
11866   int button = MB_LEFTBUTTON;
11867
11868   if (drawing_function == GADGET_ID_TEXT &&
11869       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
11870   {
11871     if (letter)
11872       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
11873     else if (key == KSYM_Delete || key == KSYM_BackSpace)
11874       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
11875     else if (key == KSYM_Return)
11876       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
11877     else if (key == KSYM_Escape)
11878       DrawLevelText(0, 0, 0, TEXT_END);
11879   }
11880   else if (button_status == MB_RELEASED)
11881   {
11882     int id = GADGET_ID_NONE;
11883     int new_element_shift = element_shift;
11884     int i;
11885
11886     switch (key)
11887     {
11888       case KSYM_Left:
11889         id = GADGET_ID_SCROLL_LEFT;
11890         break;
11891       case KSYM_Right:
11892         id = GADGET_ID_SCROLL_RIGHT;
11893         break;
11894       case KSYM_Up:
11895         id = GADGET_ID_SCROLL_UP;
11896         break;
11897       case KSYM_Down:
11898         id = GADGET_ID_SCROLL_DOWN;
11899         break;
11900       case KSYM_Page_Up:
11901         id = GADGET_ID_SCROLL_LIST_UP;
11902         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11903         break;
11904       case KSYM_Page_Down:
11905         id = GADGET_ID_SCROLL_LIST_DOWN;
11906         button = ED_ELEMENTLIST_BUTTONS_VERT - 1;
11907         break;
11908
11909       case KSYM_Home:
11910       case KSYM_End:
11911         element_shift = (key == KSYM_Home ? 0 :
11912                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
11913
11914         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11915                      GDI_SCROLLBAR_ITEM_POSITION,
11916                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11917
11918         ModifyEditorElementList();
11919
11920         break;
11921
11922       case KSYM_Insert:
11923       case KSYM_Delete:
11924
11925         /* this is needed to prevent interference with running "True X-Mouse" */
11926         if (GetKeyModStateFromEvents() & KMOD_Control)
11927           break;
11928
11929         /* check for last or next editor cascade block in element list */
11930         for (i = 0; i < num_editor_elements; i++)
11931         {
11932           if ((key == KSYM_Insert && i == element_shift) ||
11933               (key == KSYM_Delete && new_element_shift > element_shift))
11934             break;
11935
11936           /* jump to next cascade block (or to start of element list) */
11937           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
11938             new_element_shift = i;
11939         }
11940
11941         if (i < num_editor_elements)
11942           element_shift = new_element_shift;
11943
11944         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
11945           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
11946
11947         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
11948                      GDI_SCROLLBAR_ITEM_POSITION,
11949                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
11950
11951         ModifyEditorElementList();
11952
11953         break;
11954
11955       case KSYM_Escape:
11956         if (edit_mode == ED_MODE_DRAWING)
11957         {
11958           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
11959         }
11960         else if (edit_mode == ED_MODE_INFO)
11961         {
11962           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
11963         }
11964         else if (edit_mode == ED_MODE_PROPERTIES)
11965         {
11966           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
11967         }
11968         else            /* should never happen */
11969         {
11970           DrawDrawingWindow();
11971           edit_mode = ED_MODE_DRAWING;
11972         }
11973
11974         break;
11975
11976       default:
11977         break;
11978     }
11979
11980     if (id != GADGET_ID_NONE)
11981       ClickOnGadget(level_editor_gadget[id], button);
11982     else if (letter >= '1' && letter <= '3')
11983       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], letter - '0');
11984     else if (letter == '?')
11985       ClickOnGadget(level_editor_gadget[GADGET_ID_PROPERTIES], button);
11986     else if (letter == '.')
11987       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
11988     else if (letter == 'U')
11989       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
11990     else if (key == KSYM_KP_Subtract)
11991       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
11992     else if (key == KSYM_KP_0 || letter == '0')
11993       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
11994     else if (key == KSYM_KP_Add || letter == '+')
11995       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
11996     else if (key == KSYM_Return ||
11997              key == KSYM_space ||
11998              key == setup.shortcut.toggle_pause)
11999       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
12000     else
12001       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
12002         if (letter && letter == controlbutton_info[i].shortcut)
12003           if (!anyTextGadgetActive())
12004             ClickOnGadget(level_editor_gadget[i], button);
12005   }
12006 }
12007
12008 void HandleLevelEditorIdle()
12009 {
12010   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12011   int x = editor.settings.element_graphic.x + element_border;
12012   int y = editor.settings.element_graphic.y + element_border;
12013   static unsigned int action_delay = 0;
12014   unsigned int action_delay_value = GameFrameDelay;
12015   int i;
12016
12017   if (edit_mode != ED_MODE_PROPERTIES)
12018     return;
12019
12020   if (!DelayReached(&action_delay, action_delay_value))
12021     return;
12022
12023   for (i = 0; i < ED_NUM_SELECTBOX; i++)
12024   {
12025     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
12026
12027     if (gi->mapped && gi->active && gi->selectbox.open)
12028       return;
12029   }
12030
12031   DrawEditorElementAnimation(SX + x, SY + y);
12032
12033   redraw_mask |= REDRAW_FIELD;
12034
12035   FrameCounter++;       /* increase animation frame counter */
12036 }
12037
12038 void ClearEditorGadgetInfoText()
12039 {
12040   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
12041 }
12042
12043 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
12044 {
12045   char infotext[MAX_OUTPUT_LINESIZE + 1];
12046   char shortcut[MAX_OUTPUT_LINESIZE + 1];
12047   int max_infotext_len = getMaxInfoTextLength();
12048
12049   if (gi == NULL || gi->info_text == NULL)
12050     return;
12051
12052   strncpy(infotext, gi->info_text, max_infotext_len);
12053   infotext[max_infotext_len] = '\0';
12054
12055   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
12056   {
12057     int key = controlbutton_info[gi->custom_id].shortcut;
12058
12059     if (key)
12060     {
12061       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
12062         sprintf(shortcut, " ('.' or '%c')", key);
12063       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
12064         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
12065       else if (gi->custom_id == GADGET_ID_TEST)
12066         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
12067       else if (gi->custom_id == GADGET_ID_UNDO)
12068         sprintf(shortcut, " ('%c/Shift-U')", key);
12069       else if (gi->custom_id == GADGET_ID_ZOOM)
12070         sprintf(shortcut, " ('%c', '0', '+')", key);
12071       else
12072         sprintf(shortcut, " ('%s%c')",
12073                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
12074
12075       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
12076         strcat(infotext, shortcut);
12077     }
12078   }
12079
12080   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
12081 }
12082
12083 void HandleEditorGadgetInfoText(void *ptr)
12084 {
12085   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
12086
12087   if (game_status != GAME_MODE_EDITOR)
12088     return;
12089
12090   ClearEditorGadgetInfoText();
12091
12092   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
12093     return;
12094
12095   /* misuse this function to delete brush cursor, if needed */
12096   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
12097     DeleteBrushFromCursor();
12098
12099   PrintEditorGadgetInfoText(gi);
12100 }
12101
12102 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
12103 {
12104   static int start_lx, start_ly;
12105   int id = gi->custom_id;
12106   int type_id = gi->custom_type_id;
12107   int sx = gi->event.x;
12108   int sy = gi->event.y;
12109   int lx = sx + level_xpos;
12110   int ly = sy + level_ypos;
12111   int min_sx = 0, min_sy = 0;
12112   int max_sx = gi->drawing.area_xsize - 1;
12113   int max_sy = gi->drawing.area_ysize - 1;
12114   int actual_drawing_function = drawing_function;
12115   int max_infotext_len = getMaxInfoTextLength();
12116   char infotext[MAX_OUTPUT_LINESIZE + 1];
12117   char *text;
12118
12119   infotext[0] = '\0';           /* start with empty info text */
12120
12121   /* pressed Control key: simulate picking element */
12122   if (GetKeyModState() & KMOD_Control)
12123     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12124
12125   ClearEditorGadgetInfoText();
12126
12127   if (gi->event.type == GD_EVENT_INFO_LEAVING)
12128     return;
12129
12130   /* make sure to stay inside drawing area boundaries */
12131   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12132   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12133
12134   if (id == GADGET_ID_DRAWING_LEVEL)
12135   {
12136     if (button_status)
12137     {
12138       int min_lx = 0, min_ly = 0;
12139       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12140
12141       /* get positions inside level field */
12142       lx = sx + level_xpos;
12143       ly = sy + level_ypos;
12144
12145       /* make sure to stay inside level field boundaries */
12146       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12147       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12148
12149       /* correct drawing area positions accordingly */
12150       sx = lx - level_xpos;
12151       sy = ly - level_ypos;
12152     }
12153
12154     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
12155     {
12156       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
12157       {
12158         if (gi->event.type == GD_EVENT_PRESSED)
12159         {
12160           start_lx = lx;
12161           start_ly = ly;
12162         }
12163
12164         switch (actual_drawing_function)
12165         {
12166           case GADGET_ID_SINGLE_ITEMS:
12167             text = "Drawing single items";
12168             break;
12169           case GADGET_ID_CONNECTED_ITEMS:
12170             text = "Drawing connected items";
12171             break;
12172           case GADGET_ID_LINE:
12173             text = "Drawing line";
12174             break;
12175           case GADGET_ID_ARC:
12176             text = "Drawing arc";
12177             break;
12178           case GADGET_ID_TEXT:
12179             text = "Setting text cursor";
12180             break;
12181           case GADGET_ID_RECTANGLE:
12182             text = "Drawing rectangle";
12183             break;
12184           case GADGET_ID_FILLED_BOX:
12185             text = "Drawing filled box";
12186             break;
12187           case GADGET_ID_FLOOD_FILL:
12188             text = "Flood fill";
12189             break;
12190           case GADGET_ID_GRAB_BRUSH:
12191             text = "Grabbing brush";
12192             break;
12193           case GADGET_ID_PICK_ELEMENT:
12194             text = "Picking element";
12195             break;
12196
12197           default:
12198             text = "Drawing position";
12199             break;
12200         }
12201
12202         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12203           sprintf(infotext, "%s: %d, %d", text, lx, ly);
12204         else
12205           sprintf(infotext, "%s: %d, %d", text,
12206                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
12207       }
12208       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12209         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
12210       else
12211         sprintf(infotext, "Level position: %d, %d", lx, ly);
12212     }
12213
12214     /* misuse this function to draw brush cursor, if needed */
12215     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
12216     {
12217       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12218         CopyBrushToCursor(sx, sy);
12219       else
12220         DeleteBrushFromCursor();
12221     }
12222   }
12223   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12224   {
12225     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12226     int element = drawingarea_info[type_id].value[pos];
12227
12228     strncpy(infotext, getElementInfoText(element), max_infotext_len);
12229   }
12230   else
12231   {
12232     if (id == GADGET_ID_CUSTOM_CONTENT)
12233       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
12234     else if (id == GADGET_ID_GROUP_CONTENT)
12235       sprintf(infotext, "group element position: %d", sx + 1);
12236     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
12237              id <= GADGET_ID_YAMYAM_CONTENT_7)
12238       sprintf(infotext, "content area %d position: %d, %d",
12239               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
12240     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
12241              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
12242       sprintf(infotext, "content area %d position: %d, %d",
12243               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
12244     else if (id == GADGET_ID_ANDROID_CONTENT)
12245       sprintf(infotext, "android element position: %d", sx + 1);
12246     else if (drawingarea_info[type_id].infotext != NULL)
12247       strcpy(infotext, drawingarea_info[type_id].infotext);
12248   }
12249
12250   infotext[max_infotext_len] = '\0';
12251
12252   if (strlen(infotext) > 0)
12253     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
12254 }
12255
12256 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
12257                             boolean quick_quit)
12258 {
12259   if (!ask_if_level_has_changed ||
12260       !LevelChanged() ||
12261       Request("Level has changed! Exit without saving?",
12262               REQ_ASK | REQ_STAY_OPEN))
12263   {
12264     SetDoorState(DOOR_CLOSE_2);
12265
12266     if (quick_quit)
12267       FadeSkipNextFadeIn();
12268
12269     game_status = GAME_MODE_MAIN;
12270
12271     DrawAndFadeInMainMenu(playfield_area_changed ? REDRAW_ALL : REDRAW_FIELD);
12272   }
12273   else
12274   {
12275     if (!global.use_envelope_request)
12276     {
12277       CloseDoor(DOOR_CLOSE_1);
12278       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
12279     }
12280   }
12281 }