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       /* toolbox */
  36 #define ED_CTRL1_BUTTONS_VERT           4
  37 #define ED_CTRL2_BUTTONS_HORIZ          3       /* level */
  38 #define ED_CTRL2_BUTTONS_VERT           2
  39 #define ED_CTRL3_BUTTONS_HORIZ          3       /* CE and GE */
  40 #define ED_CTRL3_BUTTONS_VERT           1
  41 #define ED_CTRL4_BUTTONS_HORIZ          2       /* CE and GE */
  42 #define ED_CTRL4_BUTTONS_VERT           1
  43 #define ED_CTRL5_BUTTONS_HORIZ          1       /* properties */
  44 #define ED_CTRL5_BUTTONS_VERT           1
  45 #define ED_CTRL6_BUTTONS_HORIZ          3       /* properties */
  46 #define ED_CTRL6_BUTTONS_VERT           1
  47 #define ED_CTRL7_BUTTONS_HORIZ          1       /* palette */
  48 #define ED_CTRL7_BUTTONS_VERT           1
  49
  50 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  51 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  52 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  53 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  54 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  55 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  56 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  57 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  58 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  59 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  60 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  61 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  62 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  63 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  64
  65 /* values for the element list */
  66 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  67 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  68 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  69 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (editor.palette.cols)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (editor.palette.rows)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 /* standard distances */
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 /* values for drawingarea gadgets */
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 /* values for checkbutton gadgets */
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 /* values for element content drawing areas */
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 /* element content */
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 /* yamyam content */
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 /* magic ball content */
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 /* values for scrolling gadgets for drawing area */
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 /* values for scrolling gadgets for element list */
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 /* values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText() */
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 /*
 358   -----------------------------------------------------------------------------
 359   editor gadget definitions
 360   -----------------------------------------------------------------------------
 361 */
 362
 363 /* drawing toolbox buttons */
 364 #define GADGET_ID_NONE                  -1
 365 #define GADGET_ID_TOOLBOX_FIRST         0
 366
 367 #define GADGET_ID_SINGLE_ITEMS          (GADGET_ID_TOOLBOX_FIRST + 0)
 368 #define GADGET_ID_CONNECTED_ITEMS       (GADGET_ID_TOOLBOX_FIRST + 1)
 369 #define GADGET_ID_LINE                  (GADGET_ID_TOOLBOX_FIRST + 2)
 370 #define GADGET_ID_ARC                   (GADGET_ID_TOOLBOX_FIRST + 3)
 371 #define GADGET_ID_RECTANGLE             (GADGET_ID_TOOLBOX_FIRST + 4)
 372 #define GADGET_ID_FILLED_BOX            (GADGET_ID_TOOLBOX_FIRST + 5)
 373 #define GADGET_ID_WRAP_UP               (GADGET_ID_TOOLBOX_FIRST + 6)
 374 #define GADGET_ID_TEXT                  (GADGET_ID_TOOLBOX_FIRST + 7)
 375 #define GADGET_ID_FLOOD_FILL            (GADGET_ID_TOOLBOX_FIRST + 8)
 376 #define GADGET_ID_WRAP_LEFT             (GADGET_ID_TOOLBOX_FIRST + 9)
 377 #define GADGET_ID_ZOOM                  (GADGET_ID_TOOLBOX_FIRST + 10)
 378 #define GADGET_ID_WRAP_RIGHT            (GADGET_ID_TOOLBOX_FIRST + 11)
 379 #define GADGET_ID_RANDOM_PLACEMENT      (GADGET_ID_TOOLBOX_FIRST + 12)
 380 #define GADGET_ID_GRAB_BRUSH            (GADGET_ID_TOOLBOX_FIRST + 13)
 381 #define GADGET_ID_WRAP_DOWN             (GADGET_ID_TOOLBOX_FIRST + 14)
 382 #define GADGET_ID_PICK_ELEMENT          (GADGET_ID_TOOLBOX_FIRST + 15)
 383
 384 #define GADGET_ID_UNDO                  (GADGET_ID_TOOLBOX_FIRST + 16)
 385 #define GADGET_ID_INFO                  (GADGET_ID_TOOLBOX_FIRST + 17)
 386 #define GADGET_ID_SAVE                  (GADGET_ID_TOOLBOX_FIRST + 18)
 387 #define GADGET_ID_CLEAR                 (GADGET_ID_TOOLBOX_FIRST + 19)
 388 #define GADGET_ID_TEST                  (GADGET_ID_TOOLBOX_FIRST + 20)
 389 #define GADGET_ID_EXIT                  (GADGET_ID_TOOLBOX_FIRST + 21)
 390
 391 #define GADGET_ID_CUSTOM_COPY_FROM      (GADGET_ID_TOOLBOX_FIRST + 22)
 392 #define GADGET_ID_CUSTOM_COPY_TO        (GADGET_ID_TOOLBOX_FIRST + 23)
 393 #define GADGET_ID_CUSTOM_EXCHANGE       (GADGET_ID_TOOLBOX_FIRST + 24)
 394 #define GADGET_ID_CUSTOM_COPY           (GADGET_ID_TOOLBOX_FIRST + 25)
 395 #define GADGET_ID_CUSTOM_PASTE          (GADGET_ID_TOOLBOX_FIRST + 26)
 396
 397 #define GADGET_ID_PROPERTIES            (GADGET_ID_TOOLBOX_FIRST + 27)
 398 #define GADGET_ID_ELEMENT_LEFT          (GADGET_ID_TOOLBOX_FIRST + 28)
 399 #define GADGET_ID_ELEMENT_MIDDLE        (GADGET_ID_TOOLBOX_FIRST + 29)
 400 #define GADGET_ID_ELEMENT_RIGHT         (GADGET_ID_TOOLBOX_FIRST + 30)
 401 #define GADGET_ID_PALETTE               (GADGET_ID_TOOLBOX_FIRST + 31)
 402
 403 /* counter gadget identifiers */
 404 #define GADGET_ID_COUNTER_FIRST         (GADGET_ID_TOOLBOX_FIRST + 32)
 405
 406 #define GADGET_ID_SELECT_LEVEL_DOWN     (GADGET_ID_COUNTER_FIRST + 0)
 407 #define GADGET_ID_SELECT_LEVEL_TEXT     (GADGET_ID_COUNTER_FIRST + 1)
 408 #define GADGET_ID_SELECT_LEVEL_UP       (GADGET_ID_COUNTER_FIRST + 2)
 409 #define GADGET_ID_LEVEL_XSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 3)
 410 #define GADGET_ID_LEVEL_XSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 4)
 411 #define GADGET_ID_LEVEL_XSIZE_UP        (GADGET_ID_COUNTER_FIRST + 5)
 412 #define GADGET_ID_LEVEL_YSIZE_DOWN      (GADGET_ID_COUNTER_FIRST + 6)
 413 #define GADGET_ID_LEVEL_YSIZE_TEXT      (GADGET_ID_COUNTER_FIRST + 7)
 414 #define GADGET_ID_LEVEL_YSIZE_UP        (GADGET_ID_COUNTER_FIRST + 8)
 415 #define GADGET_ID_LEVEL_RANDOM_DOWN     (GADGET_ID_COUNTER_FIRST + 9)
 416 #define GADGET_ID_LEVEL_RANDOM_TEXT     (GADGET_ID_COUNTER_FIRST + 10)
 417 #define GADGET_ID_LEVEL_RANDOM_UP       (GADGET_ID_COUNTER_FIRST + 11)
 418 #define GADGET_ID_LEVEL_GEMSLIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 12)
 419 #define GADGET_ID_LEVEL_GEMSLIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 13)
 420 #define GADGET_ID_LEVEL_GEMSLIMIT_UP    (GADGET_ID_COUNTER_FIRST + 14)
 421 #define GADGET_ID_LEVEL_TIMELIMIT_DOWN  (GADGET_ID_COUNTER_FIRST + 15)
 422 #define GADGET_ID_LEVEL_TIMELIMIT_TEXT  (GADGET_ID_COUNTER_FIRST + 16)
 423 #define GADGET_ID_LEVEL_TIMELIMIT_UP    (GADGET_ID_COUNTER_FIRST + 17)
 424 #define GADGET_ID_LEVEL_TIMESCORE_DOWN  (GADGET_ID_COUNTER_FIRST + 18)
 425 #define GADGET_ID_LEVEL_TIMESCORE_TEXT  (GADGET_ID_COUNTER_FIRST + 19)
 426 #define GADGET_ID_LEVEL_TIMESCORE_UP    (GADGET_ID_COUNTER_FIRST + 20)
 427 #define GADGET_ID_LEVEL_RANDOM_SEED_DOWN (GADGET_ID_COUNTER_FIRST + 21)
 428 #define GADGET_ID_LEVEL_RANDOM_SEED_TEXT (GADGET_ID_COUNTER_FIRST + 22)
 429 #define GADGET_ID_LEVEL_RANDOM_SEED_UP  (GADGET_ID_COUNTER_FIRST + 23)
 430 #define GADGET_ID_LEVELSET_NUM_LEVELS_DOWN (GADGET_ID_COUNTER_FIRST + 24)
 431 #define GADGET_ID_LEVELSET_NUM_LEVELS_TEXT (GADGET_ID_COUNTER_FIRST + 25)
 432 #define GADGET_ID_LEVELSET_NUM_LEVELS_UP   (GADGET_ID_COUNTER_FIRST + 26)
 433 #define GADGET_ID_ELEMENT_VALUE1_DOWN   (GADGET_ID_COUNTER_FIRST + 27)
 434 #define GADGET_ID_ELEMENT_VALUE1_TEXT   (GADGET_ID_COUNTER_FIRST + 28)
 435 #define GADGET_ID_ELEMENT_VALUE1_UP     (GADGET_ID_COUNTER_FIRST + 29)
 436 #define GADGET_ID_ELEMENT_VALUE2_DOWN   (GADGET_ID_COUNTER_FIRST + 30)
 437 #define GADGET_ID_ELEMENT_VALUE2_TEXT   (GADGET_ID_COUNTER_FIRST + 31)
 438 #define GADGET_ID_ELEMENT_VALUE2_UP     (GADGET_ID_COUNTER_FIRST + 32)
 439 #define GADGET_ID_ELEMENT_VALUE3_DOWN   (GADGET_ID_COUNTER_FIRST + 33)
 440 #define GADGET_ID_ELEMENT_VALUE3_TEXT   (GADGET_ID_COUNTER_FIRST + 34)
 441 #define GADGET_ID_ELEMENT_VALUE3_UP     (GADGET_ID_COUNTER_FIRST + 35)
 442 #define GADGET_ID_ELEMENT_VALUE4_DOWN   (GADGET_ID_COUNTER_FIRST + 36)
 443 #define GADGET_ID_ELEMENT_VALUE4_TEXT   (GADGET_ID_COUNTER_FIRST + 37)
 444 #define GADGET_ID_ELEMENT_VALUE4_UP     (GADGET_ID_COUNTER_FIRST + 38)
 445 #define GADGET_ID_YAMYAM_CONTENT_DOWN   (GADGET_ID_COUNTER_FIRST + 39)
 446 #define GADGET_ID_YAMYAM_CONTENT_TEXT   (GADGET_ID_COUNTER_FIRST + 40)
 447 #define GADGET_ID_YAMYAM_CONTENT_UP     (GADGET_ID_COUNTER_FIRST + 41)
 448 #define GADGET_ID_BALL_CONTENT_DOWN     (GADGET_ID_COUNTER_FIRST + 42)
 449 #define GADGET_ID_BALL_CONTENT_TEXT     (GADGET_ID_COUNTER_FIRST + 43)
 450 #define GADGET_ID_BALL_CONTENT_UP       (GADGET_ID_COUNTER_FIRST + 44)
 451 #define GADGET_ID_ANDROID_CONTENT_DOWN  (GADGET_ID_COUNTER_FIRST + 45)
 452 #define GADGET_ID_ANDROID_CONTENT_TEXT  (GADGET_ID_COUNTER_FIRST + 46)
 453 #define GADGET_ID_ANDROID_CONTENT_UP    (GADGET_ID_COUNTER_FIRST + 47)
 454 #define GADGET_ID_ENVELOPE_XSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 48)
 455 #define GADGET_ID_ENVELOPE_XSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 49)
 456 #define GADGET_ID_ENVELOPE_XSIZE_UP     (GADGET_ID_COUNTER_FIRST + 50)
 457 #define GADGET_ID_ENVELOPE_YSIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 51)
 458 #define GADGET_ID_ENVELOPE_YSIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 52)
 459 #define GADGET_ID_ENVELOPE_YSIZE_UP     (GADGET_ID_COUNTER_FIRST + 53)
 460 #define GADGET_ID_INVENTORY_SIZE_DOWN   (GADGET_ID_COUNTER_FIRST + 54)
 461 #define GADGET_ID_INVENTORY_SIZE_TEXT   (GADGET_ID_COUNTER_FIRST + 55)
 462 #define GADGET_ID_INVENTORY_SIZE_UP     (GADGET_ID_COUNTER_FIRST + 56)
 463 #define GADGET_ID_CUSTOM_SCORE_DOWN     (GADGET_ID_COUNTER_FIRST + 57)
 464 #define GADGET_ID_CUSTOM_SCORE_TEXT     (GADGET_ID_COUNTER_FIRST + 58)
 465 #define GADGET_ID_CUSTOM_SCORE_UP       (GADGET_ID_COUNTER_FIRST + 59)
 466 #define GADGET_ID_CUSTOM_GEMCOUNT_DOWN  (GADGET_ID_COUNTER_FIRST + 60)
 467 #define GADGET_ID_CUSTOM_GEMCOUNT_TEXT  (GADGET_ID_COUNTER_FIRST + 61)
 468 #define GADGET_ID_CUSTOM_GEMCOUNT_UP    (GADGET_ID_COUNTER_FIRST + 62)
 469 #define GADGET_ID_CUSTOM_VALUE_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 63)
 470 #define GADGET_ID_CUSTOM_VALUE_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 64)
 471 #define GADGET_ID_CUSTOM_VALUE_FIX_UP   (GADGET_ID_COUNTER_FIRST + 65)
 472 #define GADGET_ID_CUSTOM_VALUE_RND_DOWN (GADGET_ID_COUNTER_FIRST + 66)
 473 #define GADGET_ID_CUSTOM_VALUE_RND_TEXT (GADGET_ID_COUNTER_FIRST + 67)
 474 #define GADGET_ID_CUSTOM_VALUE_RND_UP   (GADGET_ID_COUNTER_FIRST + 68)
 475 #define GADGET_ID_PUSH_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 69)
 476 #define GADGET_ID_PUSH_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 70)
 477 #define GADGET_ID_PUSH_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 71)
 478 #define GADGET_ID_PUSH_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 72)
 479 #define GADGET_ID_PUSH_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 73)
 480 #define GADGET_ID_PUSH_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 74)
 481 #define GADGET_ID_DROP_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 75)
 482 #define GADGET_ID_DROP_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 76)
 483 #define GADGET_ID_DROP_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 77)
 484 #define GADGET_ID_DROP_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 78)
 485 #define GADGET_ID_DROP_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 79)
 486 #define GADGET_ID_DROP_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 80)
 487 #define GADGET_ID_MOVE_DELAY_FIX_DOWN   (GADGET_ID_COUNTER_FIRST + 81)
 488 #define GADGET_ID_MOVE_DELAY_FIX_TEXT   (GADGET_ID_COUNTER_FIRST + 82)
 489 #define GADGET_ID_MOVE_DELAY_FIX_UP     (GADGET_ID_COUNTER_FIRST + 83)
 490 #define GADGET_ID_MOVE_DELAY_RND_DOWN   (GADGET_ID_COUNTER_FIRST + 84)
 491 #define GADGET_ID_MOVE_DELAY_RND_TEXT   (GADGET_ID_COUNTER_FIRST + 85)
 492 #define GADGET_ID_MOVE_DELAY_RND_UP     (GADGET_ID_COUNTER_FIRST + 86)
 493 #define GADGET_ID_EXPLOSION_DELAY_DOWN  (GADGET_ID_COUNTER_FIRST + 87)
 494 #define GADGET_ID_EXPLOSION_DELAY_TEXT  (GADGET_ID_COUNTER_FIRST + 88)
 495 #define GADGET_ID_EXPLOSION_DELAY_UP    (GADGET_ID_COUNTER_FIRST + 89)
 496 #define GADGET_ID_IGNITION_DELAY_DOWN   (GADGET_ID_COUNTER_FIRST + 90)
 497 #define GADGET_ID_IGNITION_DELAY_TEXT   (GADGET_ID_COUNTER_FIRST + 91)
 498 #define GADGET_ID_IGNITION_DELAY_UP     (GADGET_ID_COUNTER_FIRST + 92)
 499 #define GADGET_ID_CHANGE_DELAY_FIX_DOWN (GADGET_ID_COUNTER_FIRST + 93)
 500 #define GADGET_ID_CHANGE_DELAY_FIX_TEXT (GADGET_ID_COUNTER_FIRST + 94)
 501 #define GADGET_ID_CHANGE_DELAY_FIX_UP   (GADGET_ID_COUNTER_FIRST + 95)
 502 #define GADGET_ID_CHANGE_DELAY_RND_DOWN (GADGET_ID_COUNTER_FIRST + 96)
 503 #define GADGET_ID_CHANGE_DELAY_RND_TEXT (GADGET_ID_COUNTER_FIRST + 97)
 504 #define GADGET_ID_CHANGE_DELAY_RND_UP   (GADGET_ID_COUNTER_FIRST + 98)
 505 #define GADGET_ID_CHANGE_CONT_RND_DOWN  (GADGET_ID_COUNTER_FIRST + 99)
 506 #define GADGET_ID_CHANGE_CONT_RND_TEXT  (GADGET_ID_COUNTER_FIRST + 100)
 507 #define GADGET_ID_CHANGE_CONT_RND_UP    (GADGET_ID_COUNTER_FIRST + 101)
 508 #define GADGET_ID_GROUP_CONTENT_DOWN    (GADGET_ID_COUNTER_FIRST + 102)
 509 #define GADGET_ID_GROUP_CONTENT_TEXT    (GADGET_ID_COUNTER_FIRST + 103)
 510 #define GADGET_ID_GROUP_CONTENT_UP      (GADGET_ID_COUNTER_FIRST + 104)
 511
 512 /* drawing area identifiers */
 513 #define GADGET_ID_DRAWING_AREA_FIRST    (GADGET_ID_COUNTER_FIRST + 105)
 514
 515 #define GADGET_ID_DRAWING_LEVEL         (GADGET_ID_DRAWING_AREA_FIRST + 0)
 516 #define GADGET_ID_YAMYAM_CONTENT_0      (GADGET_ID_DRAWING_AREA_FIRST + 1)
 517 #define GADGET_ID_YAMYAM_CONTENT_1      (GADGET_ID_DRAWING_AREA_FIRST + 2)
 518 #define GADGET_ID_YAMYAM_CONTENT_2      (GADGET_ID_DRAWING_AREA_FIRST + 3)
 519 #define GADGET_ID_YAMYAM_CONTENT_3      (GADGET_ID_DRAWING_AREA_FIRST + 4)
 520 #define GADGET_ID_YAMYAM_CONTENT_4      (GADGET_ID_DRAWING_AREA_FIRST + 5)
 521 #define GADGET_ID_YAMYAM_CONTENT_5      (GADGET_ID_DRAWING_AREA_FIRST + 6)
 522 #define GADGET_ID_YAMYAM_CONTENT_6      (GADGET_ID_DRAWING_AREA_FIRST + 7)
 523 #define GADGET_ID_YAMYAM_CONTENT_7      (GADGET_ID_DRAWING_AREA_FIRST + 8)
 524 #define GADGET_ID_MAGIC_BALL_CONTENT_0  (GADGET_ID_DRAWING_AREA_FIRST + 9)
 525 #define GADGET_ID_MAGIC_BALL_CONTENT_1  (GADGET_ID_DRAWING_AREA_FIRST + 10)
 526 #define GADGET_ID_MAGIC_BALL_CONTENT_2  (GADGET_ID_DRAWING_AREA_FIRST + 11)
 527 #define GADGET_ID_MAGIC_BALL_CONTENT_3  (GADGET_ID_DRAWING_AREA_FIRST + 12)
 528 #define GADGET_ID_MAGIC_BALL_CONTENT_4  (GADGET_ID_DRAWING_AREA_FIRST + 13)
 529 #define GADGET_ID_MAGIC_BALL_CONTENT_5  (GADGET_ID_DRAWING_AREA_FIRST + 14)
 530 #define GADGET_ID_MAGIC_BALL_CONTENT_6  (GADGET_ID_DRAWING_AREA_FIRST + 15)
 531 #define GADGET_ID_MAGIC_BALL_CONTENT_7  (GADGET_ID_DRAWING_AREA_FIRST + 16)
 532 #define GADGET_ID_ANDROID_CONTENT       (GADGET_ID_DRAWING_AREA_FIRST + 17)
 533 #define GADGET_ID_AMOEBA_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 18)
 534 #define GADGET_ID_START_ELEMENT         (GADGET_ID_DRAWING_AREA_FIRST + 19)
 535 #define GADGET_ID_ARTWORK_ELEMENT       (GADGET_ID_DRAWING_AREA_FIRST + 20)
 536 #define GADGET_ID_EXPLOSION_ELEMENT     (GADGET_ID_DRAWING_AREA_FIRST + 21)
 537 #define GADGET_ID_INVENTORY_CONTENT     (GADGET_ID_DRAWING_AREA_FIRST + 22)
 538 #define GADGET_ID_CUSTOM_GRAPHIC        (GADGET_ID_DRAWING_AREA_FIRST + 23)
 539 #define GADGET_ID_CUSTOM_CONTENT        (GADGET_ID_DRAWING_AREA_FIRST + 24)
 540 #define GADGET_ID_CUSTOM_MOVE_ENTER     (GADGET_ID_DRAWING_AREA_FIRST + 25)
 541 #define GADGET_ID_CUSTOM_MOVE_LEAVE     (GADGET_ID_DRAWING_AREA_FIRST + 26)
 542 #define GADGET_ID_CUSTOM_CHANGE_TARGET  (GADGET_ID_DRAWING_AREA_FIRST + 27)
 543 #define GADGET_ID_CUSTOM_CHANGE_CONTENT (GADGET_ID_DRAWING_AREA_FIRST + 28)
 544 #define GADGET_ID_CUSTOM_CHANGE_TRIGGER (GADGET_ID_DRAWING_AREA_FIRST + 29)
 545 #define GADGET_ID_CUSTOM_CHANGE_ACTION  (GADGET_ID_DRAWING_AREA_FIRST + 30)
 546 #define GADGET_ID_GROUP_CONTENT         (GADGET_ID_DRAWING_AREA_FIRST + 31)
 547 #define GADGET_ID_RANDOM_BACKGROUND     (GADGET_ID_DRAWING_AREA_FIRST + 32)
 548
 549 /* text input identifiers */
 550 #define GADGET_ID_TEXT_INPUT_FIRST      (GADGET_ID_DRAWING_AREA_FIRST + 33)
 551
 552 #define GADGET_ID_LEVEL_NAME            (GADGET_ID_TEXT_INPUT_FIRST + 0)
 553 #define GADGET_ID_LEVEL_AUTHOR          (GADGET_ID_TEXT_INPUT_FIRST + 1)
 554 #define GADGET_ID_LEVELSET_NAME         (GADGET_ID_TEXT_INPUT_FIRST + 2)
 555 #define GADGET_ID_LEVELSET_AUTHOR       (GADGET_ID_TEXT_INPUT_FIRST + 3)
 556 #define GADGET_ID_ELEMENT_NAME          (GADGET_ID_TEXT_INPUT_FIRST + 4)
 557
 558 /* text area identifiers */
 559 #define GADGET_ID_TEXT_AREA_FIRST       (GADGET_ID_TEXT_INPUT_FIRST + 5)
 560
 561 #define GADGET_ID_ENVELOPE_INFO         (GADGET_ID_TEXT_AREA_FIRST + 0)
 562
 563 /* selectbox identifiers */
 564 #define GADGET_ID_SELECTBOX_FIRST       (GADGET_ID_TEXT_AREA_FIRST + 1)
 565
 566 #define GADGET_ID_TIME_OR_STEPS         (GADGET_ID_SELECTBOX_FIRST + 0)
 567 #define GADGET_ID_GAME_ENGINE_TYPE      (GADGET_ID_SELECTBOX_FIRST + 1)
 568 #define GADGET_ID_LEVELSET_SAVE_MODE    (GADGET_ID_SELECTBOX_FIRST + 2)
 569 #define GADGET_ID_WIND_DIRECTION        (GADGET_ID_SELECTBOX_FIRST + 3)
 570 #define GADGET_ID_PLAYER_SPEED          (GADGET_ID_SELECTBOX_FIRST + 4)
 571 #define GADGET_ID_CUSTOM_WALK_TO_ACTION (GADGET_ID_SELECTBOX_FIRST + 5)
 572 #define GADGET_ID_CUSTOM_EXPLOSION_TYPE (GADGET_ID_SELECTBOX_FIRST + 6)
 573 #define GADGET_ID_CUSTOM_DEADLINESS     (GADGET_ID_SELECTBOX_FIRST + 7)
 574 #define GADGET_ID_CUSTOM_MOVE_PATTERN   (GADGET_ID_SELECTBOX_FIRST + 8)
 575 #define GADGET_ID_CUSTOM_MOVE_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 9)
 576 #define GADGET_ID_CUSTOM_MOVE_STEPSIZE  (GADGET_ID_SELECTBOX_FIRST + 10)
 577 #define GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE (GADGET_ID_SELECTBOX_FIRST + 11)
 578 #define GADGET_ID_CUSTOM_SMASH_TARGETS  (GADGET_ID_SELECTBOX_FIRST + 12)
 579 #define GADGET_ID_CUSTOM_SLIPPERY_TYPE  (GADGET_ID_SELECTBOX_FIRST + 13)
 580 #define GADGET_ID_CUSTOM_ACCESS_TYPE    (GADGET_ID_SELECTBOX_FIRST + 14)
 581 #define GADGET_ID_CUSTOM_ACCESS_LAYER   (GADGET_ID_SELECTBOX_FIRST + 15)
 582 #define GADGET_ID_CUSTOM_ACCESS_PROTECTED (GADGET_ID_SELECTBOX_FIRST + 16)
 583 #define GADGET_ID_CUSTOM_ACCESS_DIRECTION (GADGET_ID_SELECTBOX_FIRST + 17)
 584 #define GADGET_ID_CHANGE_TIME_UNITS     (GADGET_ID_SELECTBOX_FIRST + 18)
 585 #define GADGET_ID_CHANGE_DIRECT_ACTION  (GADGET_ID_SELECTBOX_FIRST + 19)
 586 #define GADGET_ID_CHANGE_OTHER_ACTION   (GADGET_ID_SELECTBOX_FIRST + 20)
 587 #define GADGET_ID_CHANGE_SIDE           (GADGET_ID_SELECTBOX_FIRST + 21)
 588 #define GADGET_ID_CHANGE_PLAYER         (GADGET_ID_SELECTBOX_FIRST + 22)
 589 #define GADGET_ID_CHANGE_PAGE           (GADGET_ID_SELECTBOX_FIRST + 23)
 590 #define GADGET_ID_CHANGE_REPLACE_WHEN   (GADGET_ID_SELECTBOX_FIRST + 24)
 591 #define GADGET_ID_ACTION_TYPE           (GADGET_ID_SELECTBOX_FIRST + 25)
 592 #define GADGET_ID_ACTION_MODE           (GADGET_ID_SELECTBOX_FIRST + 26)
 593 #define GADGET_ID_ACTION_ARG            (GADGET_ID_SELECTBOX_FIRST + 27)
 594 #define GADGET_ID_SELECT_CHANGE_PAGE    (GADGET_ID_SELECTBOX_FIRST + 28)
 595 #define GADGET_ID_GROUP_CHOICE_MODE     (GADGET_ID_SELECTBOX_FIRST + 29)
 596
 597 /* textbutton identifiers */
 598 #define GADGET_ID_TEXTBUTTON_FIRST      (GADGET_ID_SELECTBOX_FIRST + 30)
 599
 600 #define GADGET_ID_LEVELINFO_LEVEL       (GADGET_ID_TEXTBUTTON_FIRST + 0)
 601 #define GADGET_ID_LEVELINFO_LEVELSET    (GADGET_ID_TEXTBUTTON_FIRST + 1)
 602 #define GADGET_ID_LEVELINFO_EDITOR      (GADGET_ID_TEXTBUTTON_FIRST + 2)
 603 #define GADGET_ID_PROPERTIES_INFO       (GADGET_ID_TEXTBUTTON_FIRST + 3)
 604 #define GADGET_ID_PROPERTIES_CONFIG     (GADGET_ID_TEXTBUTTON_FIRST + 4)
 605 #define GADGET_ID_PROPERTIES_CONFIG_1   (GADGET_ID_TEXTBUTTON_FIRST + 5)
 606 #define GADGET_ID_PROPERTIES_CONFIG_2   (GADGET_ID_TEXTBUTTON_FIRST + 6)
 607 #define GADGET_ID_PROPERTIES_CHANGE     (GADGET_ID_TEXTBUTTON_FIRST + 7)
 608 #define GADGET_ID_SAVE_AS_TEMPLATE_1    (GADGET_ID_TEXTBUTTON_FIRST + 8)
 609 #define GADGET_ID_SAVE_AS_TEMPLATE_2    (GADGET_ID_TEXTBUTTON_FIRST + 9)
 610 #define GADGET_ID_SAVE_LEVELSET         (GADGET_ID_TEXTBUTTON_FIRST + 10)
 611 #define GADGET_ID_ADD_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 11)
 612 #define GADGET_ID_DEL_CHANGE_PAGE       (GADGET_ID_TEXTBUTTON_FIRST + 12)
 613
 614 /* graphicbutton identifiers */
 615 #define GADGET_ID_GRAPHICBUTTON_FIRST   (GADGET_ID_TEXTBUTTON_FIRST + 13)
 616
 617 #define GADGET_ID_PREV_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 0)
 618 #define GADGET_ID_NEXT_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 1)
 619 #define GADGET_ID_COPY_CHANGE_PAGE      (GADGET_ID_GRAPHICBUTTON_FIRST + 2)
 620 #define GADGET_ID_PASTE_CHANGE_PAGE     (GADGET_ID_GRAPHICBUTTON_FIRST + 3)
 621
 622 /* gadgets for scrolling of drawing area */
 623 #define GADGET_ID_SCROLLING_FIRST       (GADGET_ID_GRAPHICBUTTON_FIRST + 4)
 624
 625 #define GADGET_ID_SCROLL_UP             (GADGET_ID_SCROLLING_FIRST + 0)
 626 #define GADGET_ID_SCROLL_DOWN           (GADGET_ID_SCROLLING_FIRST + 1)
 627 #define GADGET_ID_SCROLL_LEFT           (GADGET_ID_SCROLLING_FIRST + 2)
 628 #define GADGET_ID_SCROLL_RIGHT          (GADGET_ID_SCROLLING_FIRST + 3)
 629 #define GADGET_ID_SCROLL_HORIZONTAL     (GADGET_ID_SCROLLING_FIRST + 4)
 630 #define GADGET_ID_SCROLL_VERTICAL       (GADGET_ID_SCROLLING_FIRST + 5)
 631
 632 /* gadgets for scrolling element list */
 633 #define GADGET_ID_SCROLLING_LIST_FIRST  (GADGET_ID_SCROLLING_FIRST + 6)
 634
 635 #define GADGET_ID_SCROLL_LIST_UP        (GADGET_ID_SCROLLING_LIST_FIRST + 0)
 636 #define GADGET_ID_SCROLL_LIST_DOWN      (GADGET_ID_SCROLLING_LIST_FIRST + 1)
 637 #define GADGET_ID_SCROLL_LIST_VERTICAL  (GADGET_ID_SCROLLING_LIST_FIRST + 2)
 638
 639 /* checkbuttons/radiobuttons for level/element properties */
 640 #define GADGET_ID_CHECKBUTTON_FIRST     (GADGET_ID_SCROLLING_LIST_FIRST + 3)
 641
 642 #define GADGET_ID_AUTO_COUNT_GEMS       (GADGET_ID_CHECKBUTTON_FIRST + 0)
 643 #define GADGET_ID_RANDOM_PERCENTAGE     (GADGET_ID_CHECKBUTTON_FIRST + 1)
 644 #define GADGET_ID_RANDOM_QUANTITY       (GADGET_ID_CHECKBUTTON_FIRST + 2)
 645 #define GADGET_ID_RANDOM_RESTRICTED     (GADGET_ID_CHECKBUTTON_FIRST + 3)
 646 #define GADGET_ID_STICK_ELEMENT         (GADGET_ID_CHECKBUTTON_FIRST + 4)
 647 #define GADGET_ID_EM_SLIPPERY_GEMS      (GADGET_ID_CHECKBUTTON_FIRST + 5)
 648 #define GADGET_ID_EM_EXPLODES_BY_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 6)
 649 #define GADGET_ID_USE_SPRING_BUG        (GADGET_ID_CHECKBUTTON_FIRST + 7)
 650 #define GADGET_ID_USE_TIME_ORB_BUG      (GADGET_ID_CHECKBUTTON_FIRST + 8)
 651 #define GADGET_ID_RANDOM_BALL_CONTENT   (GADGET_ID_CHECKBUTTON_FIRST + 9)
 652 #define GADGET_ID_INITIAL_BALL_STATE    (GADGET_ID_CHECKBUTTON_FIRST + 10)
 653 #define GADGET_ID_GROW_INTO_DIGGABLE    (GADGET_ID_CHECKBUTTON_FIRST + 11)
 654 #define GADGET_ID_AUTO_EXIT_SOKOBAN     (GADGET_ID_CHECKBUTTON_FIRST + 12)
 655 #define GADGET_ID_CONTINUOUS_SNAPPING   (GADGET_ID_CHECKBUTTON_FIRST + 13)
 656 #define GADGET_ID_BLOCK_SNAP_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 14)
 657 #define GADGET_ID_BLOCK_LAST_FIELD      (GADGET_ID_CHECKBUTTON_FIRST + 15)
 658 #define GADGET_ID_SP_BLOCK_LAST_FIELD   (GADGET_ID_CHECKBUTTON_FIRST + 16)
 659 #define GADGET_ID_INSTANT_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 17)
 660 #define GADGET_ID_SHIFTED_RELOCATION    (GADGET_ID_CHECKBUTTON_FIRST + 18)
 661 #define GADGET_ID_LAZY_RELOCATION       (GADGET_ID_CHECKBUTTON_FIRST + 19)
 662 #define GADGET_ID_USE_START_ELEMENT     (GADGET_ID_CHECKBUTTON_FIRST + 20)
 663 #define GADGET_ID_USE_ARTWORK_ELEMENT   (GADGET_ID_CHECKBUTTON_FIRST + 21)
 664 #define GADGET_ID_USE_EXPLOSION_ELEMENT (GADGET_ID_CHECKBUTTON_FIRST + 22)
 665 #define GADGET_ID_INITIAL_GRAVITY       (GADGET_ID_CHECKBUTTON_FIRST + 23)
 666 #define GADGET_ID_USE_INITIAL_INVENTORY (GADGET_ID_CHECKBUTTON_FIRST + 24)
 667 #define GADGET_ID_CAN_PASS_TO_WALKABLE  (GADGET_ID_CHECKBUTTON_FIRST + 25)
 668 #define GADGET_ID_CAN_FALL_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 26)
 669 #define GADGET_ID_CAN_MOVE_INTO_ACID    (GADGET_ID_CHECKBUTTON_FIRST + 27)
 670 #define GADGET_ID_DONT_COLLIDE_WITH     (GADGET_ID_CHECKBUTTON_FIRST + 28)
 671 #define GADGET_ID_ENVELOPE_AUTOWRAP     (GADGET_ID_CHECKBUTTON_FIRST + 29)
 672 #define GADGET_ID_ENVELOPE_CENTERED     (GADGET_ID_CHECKBUTTON_FIRST + 30)
 673 #define GADGET_ID_MM_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 31)
 674 #define GADGET_ID_MM_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 32)
 675 #define GADGET_ID_MM_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 33)
 676 #define GADGET_ID_DF_LASER_RED          (GADGET_ID_CHECKBUTTON_FIRST + 34)
 677 #define GADGET_ID_DF_LASER_GREEN        (GADGET_ID_CHECKBUTTON_FIRST + 35)
 678 #define GADGET_ID_DF_LASER_BLUE         (GADGET_ID_CHECKBUTTON_FIRST + 36)
 679 #define GADGET_ID_CUSTOM_INDESTRUCTIBLE (GADGET_ID_CHECKBUTTON_FIRST + 37)
 680 #define GADGET_ID_CUSTOM_CAN_EXPLODE    (GADGET_ID_CHECKBUTTON_FIRST + 38)
 681 #define GADGET_ID_CUSTOM_EXPLODE_FIRE   (GADGET_ID_CHECKBUTTON_FIRST + 39)
 682 #define GADGET_ID_CUSTOM_EXPLODE_SMASH  (GADGET_ID_CHECKBUTTON_FIRST + 40)
 683 #define GADGET_ID_CUSTOM_EXPLODE_IMPACT (GADGET_ID_CHECKBUTTON_FIRST + 41)
 684 #define GADGET_ID_CUSTOM_WALK_TO_OBJECT (GADGET_ID_CHECKBUTTON_FIRST + 42)
 685 #define GADGET_ID_CUSTOM_DEADLY         (GADGET_ID_CHECKBUTTON_FIRST + 43)
 686 #define GADGET_ID_CUSTOM_CAN_MOVE       (GADGET_ID_CHECKBUTTON_FIRST + 44)
 687 #define GADGET_ID_CUSTOM_CAN_FALL       (GADGET_ID_CHECKBUTTON_FIRST + 45)
 688 #define GADGET_ID_CUSTOM_CAN_SMASH      (GADGET_ID_CHECKBUTTON_FIRST + 46)
 689 #define GADGET_ID_CUSTOM_SLIPPERY       (GADGET_ID_CHECKBUTTON_FIRST + 47)
 690 #define GADGET_ID_CUSTOM_ACCESSIBLE     (GADGET_ID_CHECKBUTTON_FIRST + 48)
 691 #define GADGET_ID_CUSTOM_GRAV_REACHABLE (GADGET_ID_CHECKBUTTON_FIRST + 49)
 692 #define GADGET_ID_CUSTOM_USE_LAST_VALUE (GADGET_ID_CHECKBUTTON_FIRST + 50)
 693 #define GADGET_ID_CUSTOM_USE_GRAPHIC    (GADGET_ID_CHECKBUTTON_FIRST + 51)
 694 #define GADGET_ID_CUSTOM_USE_TEMPLATE_1 (GADGET_ID_CHECKBUTTON_FIRST + 52)
 695 #define GADGET_ID_CUSTOM_USE_TEMPLATE_2 (GADGET_ID_CHECKBUTTON_FIRST + 53)
 696 #define GADGET_ID_CUSTOM_USE_TEMPLATE_3 (GADGET_ID_CHECKBUTTON_FIRST + 54)
 697 #define GADGET_ID_CUSTOM_CAN_CHANGE     (GADGET_ID_CHECKBUTTON_FIRST + 55)
 698 #define GADGET_ID_CHANGE_USE_CONTENT    (GADGET_ID_CHECKBUTTON_FIRST + 56)
 699 #define GADGET_ID_CHANGE_USE_EXPLOSION  (GADGET_ID_CHECKBUTTON_FIRST + 57)
 700 #define GADGET_ID_CHANGE_ONLY_COMPLETE  (GADGET_ID_CHECKBUTTON_FIRST + 58)
 701 #define GADGET_ID_CHANGE_USE_RANDOM     (GADGET_ID_CHECKBUTTON_FIRST + 59)
 702 #define GADGET_ID_CHANGE_HAS_ACTION     (GADGET_ID_CHECKBUTTON_FIRST + 60)
 703 #define GADGET_ID_CHANGE_DELAY          (GADGET_ID_CHECKBUTTON_FIRST + 61)
 704 #define GADGET_ID_CHANGE_BY_DIRECT_ACT  (GADGET_ID_CHECKBUTTON_FIRST + 62)
 705 #define GADGET_ID_CHANGE_BY_OTHER_ACT   (GADGET_ID_CHECKBUTTON_FIRST + 63)
 706
 707 /* gadgets for buttons in element list */
 708 #define GADGET_ID_ELEMENTLIST_FIRST     (GADGET_ID_CHECKBUTTON_FIRST + 64)
 709 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 710                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 711
 712 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 713
 714 /* radio button numbers */
 715 #define RADIO_NR_NONE                   0
 716 #define RADIO_NR_DRAWING_TOOLBOX        1
 717 #define RADIO_NR_RANDOM_ELEMENTS        2
 718
 719 /* values for counter gadgets */
 720 #define ED_COUNTER_ID_SELECT_LEVEL      0
 721 #define ED_COUNTER_ID_LEVEL_XSIZE       1
 722 #define ED_COUNTER_ID_LEVEL_YSIZE       2
 723 #define ED_COUNTER_ID_LEVEL_GEMSLIMIT   3
 724 #define ED_COUNTER_ID_LEVEL_TIMELIMIT   4
 725 #define ED_COUNTER_ID_LEVEL_TIMESCORE   5
 726 #define ED_COUNTER_ID_LEVEL_RANDOM_SEED 6
 727 #define ED_COUNTER_ID_LEVELSET_NUM_LEVELS 7
 728 #define ED_COUNTER_ID_LEVEL_RANDOM      8
 729 #define ED_COUNTER_ID_ELEMENT_VALUE1    9
 730 #define ED_COUNTER_ID_ELEMENT_VALUE2    10
 731 #define ED_COUNTER_ID_ELEMENT_VALUE3    11
 732 #define ED_COUNTER_ID_ELEMENT_VALUE4    12
 733 #define ED_COUNTER_ID_YAMYAM_CONTENT    13
 734 #define ED_COUNTER_ID_BALL_CONTENT      14
 735 #define ED_COUNTER_ID_ANDROID_CONTENT   15
 736 #define ED_COUNTER_ID_ENVELOPE_XSIZE    16
 737 #define ED_COUNTER_ID_ENVELOPE_YSIZE    17
 738 #define ED_COUNTER_ID_INVENTORY_SIZE    18
 739 #define ED_COUNTER_ID_CUSTOM_SCORE      19
 740 #define ED_COUNTER_ID_CUSTOM_GEMCOUNT   20
 741 #define ED_COUNTER_ID_CUSTOM_VALUE_FIX  21
 742 #define ED_COUNTER_ID_CUSTOM_VALUE_RND  22
 743 #define ED_COUNTER_ID_PUSH_DELAY_FIX    23
 744 #define ED_COUNTER_ID_PUSH_DELAY_RND    24
 745 #define ED_COUNTER_ID_DROP_DELAY_FIX    25
 746 #define ED_COUNTER_ID_DROP_DELAY_RND    26
 747 #define ED_COUNTER_ID_MOVE_DELAY_FIX    27
 748 #define ED_COUNTER_ID_MOVE_DELAY_RND    28
 749 #define ED_COUNTER_ID_EXPLOSION_DELAY   29
 750 #define ED_COUNTER_ID_IGNITION_DELAY    30
 751 #define ED_COUNTER_ID_GROUP_CONTENT     31
 752 #define ED_COUNTER_ID_CHANGE_DELAY_FIX  32
 753 #define ED_COUNTER_ID_CHANGE_DELAY_RND  33
 754 #define ED_COUNTER_ID_CHANGE_CONT_RND   34
 755
 756 #define ED_NUM_COUNTERBUTTONS           35
 757
 758 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 759 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 760 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 761 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 762 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 763 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 764
 765 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 766 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 767 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 768 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 769 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 770 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 771
 772 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 773 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 774
 775 /* values for scrollbutton gadgets */
 776 #define ED_SCROLLBUTTON_ID_AREA_UP      0
 777 #define ED_SCROLLBUTTON_ID_AREA_DOWN    1
 778 #define ED_SCROLLBUTTON_ID_AREA_LEFT    2
 779 #define ED_SCROLLBUTTON_ID_AREA_RIGHT   3
 780 #define ED_SCROLLBUTTON_ID_LIST_UP      4
 781 #define ED_SCROLLBUTTON_ID_LIST_DOWN    5
 782
 783 #define ED_NUM_SCROLLBUTTONS            6
 784
 785 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 786 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 787
 788 /* values for scrollbar gadgets */
 789 #define ED_SCROLLBAR_ID_AREA_HORIZONTAL 0
 790 #define ED_SCROLLBAR_ID_AREA_VERTICAL   1
 791 #define ED_SCROLLBAR_ID_LIST_VERTICAL   2
 792
 793 #define ED_NUM_SCROLLBARS               3
 794
 795 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 796 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 797
 798 /* values for text input gadgets */
 799 #define ED_TEXTINPUT_ID_LEVEL_NAME      0
 800 #define ED_TEXTINPUT_ID_LEVEL_AUTHOR    1
 801 #define ED_TEXTINPUT_ID_LEVELSET_NAME   2
 802 #define ED_TEXTINPUT_ID_LEVELSET_AUTHOR 3
 803 #define ED_TEXTINPUT_ID_ELEMENT_NAME    4
 804
 805 #define ED_NUM_TEXTINPUT                5
 806
 807 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 808 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 809
 810 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 811 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 812
 813 /* values for text area gadgets */
 814 #define ED_TEXTAREA_ID_ENVELOPE_INFO    0
 815
 816 #define ED_NUM_TEXTAREAS                        1
 817
 818 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 819 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 820
 821 /* values for selectbox gadgets */
 822 #define ED_SELECTBOX_ID_TIME_OR_STEPS           0
 823 #define ED_SELECTBOX_ID_GAME_ENGINE_TYPE        1
 824 #define ED_SELECTBOX_ID_LEVELSET_SAVE_MODE      2
 825 #define ED_SELECTBOX_ID_WIND_DIRECTION          3
 826 #define ED_SELECTBOX_ID_PLAYER_SPEED            4
 827 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE      5
 828 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER     6
 829 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED 7
 830 #define ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION 8
 831 #define ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION   9
 832 #define ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN     10
 833 #define ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION   11
 834 #define ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE    12
 835 #define ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE  13
 836 #define ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS    14
 837 #define ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE    15
 838 #define ED_SELECTBOX_ID_CUSTOM_DEADLINESS       16
 839 #define ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE   17
 840 #define ED_SELECTBOX_ID_CHANGE_TIME_UNITS       18
 841 #define ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION    19
 842 #define ED_SELECTBOX_ID_CHANGE_OTHER_ACTION     20
 843 #define ED_SELECTBOX_ID_CHANGE_SIDE             21
 844 #define ED_SELECTBOX_ID_CHANGE_PLAYER           22
 845 #define ED_SELECTBOX_ID_CHANGE_PAGE             23
 846 #define ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN     24
 847 #define ED_SELECTBOX_ID_ACTION_TYPE             25
 848 #define ED_SELECTBOX_ID_ACTION_MODE             26
 849 #define ED_SELECTBOX_ID_ACTION_ARG              27
 850 #define ED_SELECTBOX_ID_SELECT_CHANGE_PAGE      28
 851 #define ED_SELECTBOX_ID_GROUP_CHOICE_MODE       29
 852
 853 #define ED_NUM_SELECTBOX                        30
 854
 855 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 856 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 857
 858 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 859 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 860
 861 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 862 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 863 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 864 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 865 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 866 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 867
 868 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 869 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 870
 871 /* values for textbutton gadgets */
 872 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVEL        0
 873 #define ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET     1
 874 #define ED_TEXTBUTTON_ID_LEVELINFO_EDITOR       2
 875 #define ED_TEXTBUTTON_ID_PROPERTIES_INFO        3
 876 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG      4
 877 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1    5
 878 #define ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2    6
 879 #define ED_TEXTBUTTON_ID_PROPERTIES_CHANGE      7
 880 #define ED_TEXTBUTTON_ID_SAVE_LEVELSET          8
 881 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2     9
 882 #define ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1     10
 883 #define ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE        11
 884 #define ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE        12
 885
 886 #define ED_NUM_TEXTBUTTONS                      13
 887
 888 #define ED_TAB_BUTTON_ID_LEVELINFO_FIRST ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
 889 #define ED_TAB_BUTTON_ID_LEVELINFO_LAST  ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
 890
 891 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 892 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 893
 894 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 895 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 896
 897 /* values for graphicbutton gadgets */
 898 #define ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE    0
 899 #define ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE    1
 900 #define ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE    2
 901 #define ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE   3
 902
 903 #define ED_NUM_GRAPHICBUTTONS                   4
 904
 905 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 906 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 907
 908 /* values for checkbutton gadgets */
 909 #define ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS       0
 910 #define ED_CHECKBUTTON_ID_RANDOM_RESTRICTED     1
 911 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3 2
 912 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2 3
 913 #define ED_CHECKBUTTON_ID_STICK_ELEMENT         4
 914 #define ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS      5
 915 #define ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE   6
 916 #define ED_CHECKBUTTON_ID_USE_SPRING_BUG        7
 917 #define ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG      8
 918 #define ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT   9
 919 #define ED_CHECKBUTTON_ID_INITIAL_BALL_STATE    10
 920 #define ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE    11
 921 #define ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN     12
 922 #define ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING   13
 923 #define ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD      14
 924 #define ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD      15
 925 #define ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD   16
 926 #define ED_CHECKBUTTON_ID_INSTANT_RELOCATION    17
 927 #define ED_CHECKBUTTON_ID_SHIFTED_RELOCATION    18
 928 #define ED_CHECKBUTTON_ID_LAZY_RELOCATION       19
 929 #define ED_CHECKBUTTON_ID_USE_START_ELEMENT     20
 930 #define ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT   21
 931 #define ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT 22
 932 #define ED_CHECKBUTTON_ID_INITIAL_GRAVITY       23
 933 #define ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY 24
 934 #define ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE  25
 935 #define ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID    26
 936 #define ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID    27
 937 #define ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH     28
 938 #define ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP     29
 939 #define ED_CHECKBUTTON_ID_ENVELOPE_CENTERED     30
 940 #define ED_CHECKBUTTON_ID_MM_LASER_RED          31
 941 #define ED_CHECKBUTTON_ID_MM_LASER_GREEN        32
 942 #define ED_CHECKBUTTON_ID_MM_LASER_BLUE         33
 943 #define ED_CHECKBUTTON_ID_DF_LASER_RED          34
 944 #define ED_CHECKBUTTON_ID_DF_LASER_GREEN        35
 945 #define ED_CHECKBUTTON_ID_DF_LASER_BLUE         36
 946 #define ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC    37
 947 #define ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 38
 948 #define ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE     39
 949 #define ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE 40
 950 #define ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE 41
 951 #define ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT 42
 952 #define ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE 43
 953 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE       44
 954 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL       45
 955 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH      46
 956 #define ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY       47
 957 #define ED_CHECKBUTTON_ID_CUSTOM_DEADLY         48
 958 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE    49
 959 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE   50
 960 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH  51
 961 #define ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT 52
 962 #define ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE     53
 963 #define ED_CHECKBUTTON_ID_CHANGE_DELAY          54
 964 #define ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT  55
 965 #define ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT   56
 966 #define ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION  57
 967 #define ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT    58
 968 #define ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE  59
 969 #define ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM     60
 970 #define ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION     61
 971
 972 #define ED_NUM_CHECKBUTTONS                     62
 973
 974 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 975 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
 976
 977 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
 978 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
 979
 980 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
 981 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
 982 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
 983 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
 984 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
 985 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
 986
 987 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
 988 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
 989
 990 /* values for radiobutton gadgets */
 991 #define ED_RADIOBUTTON_ID_PERCENTAGE    0
 992 #define ED_RADIOBUTTON_ID_QUANTITY      1
 993
 994 #define ED_NUM_RADIOBUTTONS             2
 995
 996 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
 997 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
 998
 999 /* values for drawing area gadgets */
1000 #define ED_DRAWING_ID_DRAWING_LEVEL             0
1001 #define ED_DRAWING_ID_YAMYAM_CONTENT_0          1
1002 #define ED_DRAWING_ID_YAMYAM_CONTENT_1          2
1003 #define ED_DRAWING_ID_YAMYAM_CONTENT_2          3
1004 #define ED_DRAWING_ID_YAMYAM_CONTENT_3          4
1005 #define ED_DRAWING_ID_YAMYAM_CONTENT_4          5
1006 #define ED_DRAWING_ID_YAMYAM_CONTENT_5          6
1007 #define ED_DRAWING_ID_YAMYAM_CONTENT_6          7
1008 #define ED_DRAWING_ID_YAMYAM_CONTENT_7          8
1009 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_0      9
1010 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_1      10
1011 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_2      11
1012 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_3      12
1013 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_4      13
1014 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_5      14
1015 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_6      15
1016 #define ED_DRAWING_ID_MAGIC_BALL_CONTENT_7      16
1017 #define ED_DRAWING_ID_ANDROID_CONTENT           17
1018 #define ED_DRAWING_ID_AMOEBA_CONTENT            18
1019 #define ED_DRAWING_ID_START_ELEMENT             19
1020 #define ED_DRAWING_ID_ARTWORK_ELEMENT           20
1021 #define ED_DRAWING_ID_EXPLOSION_ELEMENT         21
1022 #define ED_DRAWING_ID_INVENTORY_CONTENT         22
1023 #define ED_DRAWING_ID_CUSTOM_GRAPHIC            23
1024 #define ED_DRAWING_ID_CUSTOM_CONTENT            24
1025 #define ED_DRAWING_ID_CUSTOM_MOVE_ENTER         25
1026 #define ED_DRAWING_ID_CUSTOM_MOVE_LEAVE         26
1027 #define ED_DRAWING_ID_CUSTOM_CHANGE_TARGET      27
1028 #define ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT     28
1029 #define ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER     29
1030 #define ED_DRAWING_ID_CUSTOM_CHANGE_ACTION      30
1031 #define ED_DRAWING_ID_GROUP_CONTENT             31
1032 #define ED_DRAWING_ID_RANDOM_BACKGROUND         32
1033
1034 #define ED_NUM_DRAWING_AREAS                    33
1035
1036 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1037 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1038
1039
1040 /*
1041   -----------------------------------------------------------------------------
1042   some internally used definitions
1043   -----------------------------------------------------------------------------
1044 */
1045
1046 /* values for CopyLevelToUndoBuffer() */
1047 #define UNDO_IMMEDIATE                  0
1048 #define UNDO_ACCUMULATE                 1
1049
1050 /* values for scrollbars */
1051 #define ED_SCROLL_NO                    0
1052 #define ED_SCROLL_LEFT                  1
1053 #define ED_SCROLL_RIGHT                 2
1054 #define ED_SCROLL_UP                    4
1055 #define ED_SCROLL_DOWN                  8
1056
1057 /* screens in the level editor */
1058 #define ED_MODE_DRAWING                 0
1059 #define ED_MODE_INFO                    1
1060 #define ED_MODE_PROPERTIES              2
1061 #define ED_MODE_PALETTE                 3
1062
1063 /* sub-screens in the global settings section */
1064 #define ED_MODE_LEVELINFO_LEVEL         ED_TEXTBUTTON_ID_LEVELINFO_LEVEL
1065 #define ED_MODE_LEVELINFO_LEVELSET      ED_TEXTBUTTON_ID_LEVELINFO_LEVELSET
1066 #define ED_MODE_LEVELINFO_EDITOR        ED_TEXTBUTTON_ID_LEVELINFO_EDITOR
1067
1068 /* sub-screens in the element properties section */
1069 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1070 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1071 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1072 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1073 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1074
1075 /* how many steps can be cancelled */
1076 #define NUM_UNDO_STEPS                  (64 + 1)
1077
1078 /* values for elements with score for certain actions */
1079 #define MIN_SCORE                       0
1080 #define MAX_SCORE                       999
1081
1082 /* values for elements with count for collecting */
1083 #define MIN_COLLECT_COUNT               0
1084 #define MAX_COLLECT_COUNT               999
1085
1086 /* values for random placement */
1087 #define RANDOM_USE_PERCENTAGE           0
1088 #define RANDOM_USE_QUANTITY             1
1089
1090 /* values for level set save mode */
1091 #define LEVELSET_SAVE_MODE_UPDATE       0
1092 #define LEVELSET_SAVE_MODE_CREATE       1
1093
1094 /* default value for element tile size in drawing area */
1095 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1096 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1097
1098
1099 /*
1100   -----------------------------------------------------------------------------
1101   some internally used data structure definitions
1102   -----------------------------------------------------------------------------
1103 */
1104
1105 static struct
1106 {
1107   int graphic;
1108   int gadget_id;
1109   struct XYTileSize *pos;
1110   int gadget_type;
1111   char *infotext;
1112   char shortcut;
1113 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1114 {
1115   /* note: some additional characters are already reserved for "cheat mode"
1116      shortcuts (":XYZ" style) -- for details, see "events.c" */
1117
1118   /* ---------- toolbox control buttons ------------------------------------ */
1119
1120   {
1121     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1122     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1123     "draw single items",                        's'
1124   },
1125   {
1126     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1127     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1128     "draw connected items",                     'd'
1129   },
1130   {
1131     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1132     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1133     "draw lines",                               'l'
1134   },
1135   {
1136     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1137     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1138     "draw arcs",                                'a'
1139   },
1140   {
1141     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1142     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1143     "draw outline rectangles",                  'r'
1144   },
1145   {
1146     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1147     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1148     "draw filled rectangles",                   'R'
1149   },
1150   {
1151     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1152     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1153     "wrap (rotate) level up",                   0
1154   },
1155   {
1156     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1157     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1158     "enter text elements",                      't'
1159   },
1160   {
1161     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1162     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1163     "flood fill",                               'f'
1164   },
1165   {
1166     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1167     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1168     "wrap (rotate) level left",                 0
1169   },
1170   {
1171     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1172     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1173     "zoom level tile size",                     '+'
1174   },
1175   {
1176     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1177     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1178     "wrap (rotate) level right",                0
1179   },
1180   {
1181     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1182     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1183     "random element placement",                 0
1184   },
1185   {
1186     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1187     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1188     "grab brush",                               'b'
1189   },
1190   {
1191     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1192     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1193     "wrap (rotate) level down",                 0
1194   },
1195   {
1196     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1197     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1198     "pick drawing element",                     ','
1199   },
1200
1201   /* ---------- level control buttons -------------------------------------- */
1202
1203   {
1204     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1205     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1206     "undo/redo last operation",                 'u'
1207   },
1208   {
1209     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_INFO,
1210     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1211     "properties of level",                      'I'
1212   },
1213   {
1214     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1215     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1216     "save level",                               'S'
1217   },
1218   {
1219     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1220     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1221     "clear level",                              'C'
1222   },
1223   {
1224     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1225     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1226     "test level",                               'T'
1227   },
1228   {
1229     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1230     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1231     "exit level editor",                        'E'
1232   },
1233
1234   /* ---------- CE and GE control buttons ---------------------------------- */
1235
1236   {
1237     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1238     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1239     "copy settings from other element",         0
1240   },
1241   {
1242     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1243     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1244     "copy settings to other element",           0
1245   },
1246   {
1247     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1248     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1249     "exchange element with other element",      0
1250   },
1251   {
1252     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1253     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1254     "copy settings from this element",          0
1255   },
1256   {
1257     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1258     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1259     "paste settings to this element",           0
1260   },
1261
1262   /* ---------- palette control buttons ------------------------------------ */
1263
1264   {
1265     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1266     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1267     "properties of drawing element",            'p'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1271     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1272     "properties of drawing element 1",          '1'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1276     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1277     "properties of drawing element 2",          '2'
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1281     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1282     "properties of drawing element 3",          '3'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1286     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1287     "show list of elements",                    'e'
1288   }
1289 };
1290
1291 static int random_placement_value = 10;
1292 static int random_placement_method = RANDOM_USE_QUANTITY;
1293 static int random_placement_background_element = EL_SAND;
1294 static boolean random_placement_background_restricted = FALSE;
1295 static boolean stick_element_properties_window = FALSE;
1296 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1297 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1298 static struct ElementChangeInfo custom_element_change;
1299 static struct ElementGroupInfo group_element_info;
1300 static struct ElementInfo custom_element;
1301
1302 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1303 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1304 static int levelset_num_levels = 100;
1305 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1306
1307 static struct
1308 {
1309   int x, y;
1310   int min_value, max_value;
1311   int gadget_id_down, gadget_id_up;
1312   int gadget_id_text;
1313   int gadget_id_align;
1314   int *value;
1315   char *text_above, *text_left, *text_right;
1316 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1317 {
1318   /* ---------- current level number --------------------------------------- */
1319
1320   {
1321     -1, -1,     /* these values are not constant, but can change at runtime */
1322     1,                                  100,
1323     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1324     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1325     &level_nr,
1326     NULL,                               NULL, NULL
1327   },
1328
1329   /* ---------- level and editor settings ---------------------------------- */
1330
1331   {
1332     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1333     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1334     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1335     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1336     &level.fieldx,
1337     "playfield size:",                  NULL, "width",
1338   },
1339   {
1340     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1341     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1342     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1343     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1344     &level.fieldy,
1345     NULL,                               " ", "height",
1346   },
1347   {
1348     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1349     0,                                  999,
1350     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1351     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1352     &level.gems_needed,
1353     NULL,                               "number of gems to collect:", NULL
1354   },
1355   {
1356     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1357     0,                                  9999,
1358     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1359     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1360     &level.time,
1361     "time or step limit to solve level:", NULL, NULL
1362   },
1363   {
1364     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1365     0,                                  999,
1366     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1367     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1368     &level.score[SC_TIME_BONUS],
1369     "score for each second/step left:", NULL, NULL
1370   },
1371   {
1372     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
1373     0,                                  9999,
1374     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1375     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1376     &level.random_seed,
1377     NULL,                               "random seed:", "(0 => random)"
1378   },
1379   {
1380     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1381     1,                                  MAX_LEVELS,
1382     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1383     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1384     &levelset_num_levels,
1385     "number of levels:",                NULL, NULL,
1386   },
1387   {
1388     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1389     1,                                  100,
1390     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1391     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1392     &random_placement_value,
1393     "random element placement:",        NULL, "in"
1394   },
1395
1396   /* ---------- element settings: configure (various elements) ------------- */
1397
1398   {
1399     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1400     MIN_SCORE,                          MAX_SCORE,
1401     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1402     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1403     NULL,                               /* will be set when used */
1404     NULL,                               NULL, NULL
1405   },
1406   {
1407     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1408     MIN_SCORE,                          MAX_SCORE,
1409     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1410     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1411     NULL,                               /* will be set when used */
1412     NULL,                               NULL, NULL
1413   },
1414   {
1415     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1416     MIN_SCORE,                          MAX_SCORE,
1417     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1418     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1419     NULL,                               /* will be set when used */
1420     NULL,                               NULL, NULL
1421   },
1422   {
1423     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1424     MIN_SCORE,                          MAX_SCORE,
1425     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1426     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1427     NULL,                               /* will be set when used */
1428     NULL,                               NULL, NULL
1429   },
1430   {
1431     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1432     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1433     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1434     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1435     &level.num_yamyam_contents,
1436     NULL,                               NULL, "number of content areas"
1437   },
1438   {
1439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1440     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1441     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1442     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1443     &level.num_ball_contents,
1444     NULL,                               NULL, "number of content areas"
1445   },
1446   {
1447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1448     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1449     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1450     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1451     &level.num_android_clone_elements,
1452     NULL,                               NULL, "number of clonable elements"
1453   },
1454   {
1455     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1456     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1457     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1458     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1459     NULL,                               /* will be set when used */
1460     NULL,                               NULL, "width",
1461   },
1462   {
1463     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1464     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1465     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1466     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1467     NULL,                               /* will be set when used */
1468     NULL,                               " ", "height",
1469   },
1470   {
1471     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1472     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1473     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1474     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1475     &level.initial_inventory_size[0],
1476     NULL,                               NULL, "number of inventory elements"
1477   },
1478
1479   /* ---------- element settings: configure 1 (custom elements) ------------ */
1480
1481   {
1482     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1483     MIN_SCORE,                          MAX_SCORE,
1484     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1485     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1486     &custom_element.collect_score_initial,
1487     NULL,                               "CE score", " "
1488   },
1489   {
1490     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1491     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1492     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1493     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1494     &custom_element.collect_count_initial,
1495     NULL,                               "CE count", NULL
1496   },
1497   {
1498     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1499     0,                                  9999,
1500     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1501     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1502     &custom_element.ce_value_fixed_initial,
1503     NULL,                               "CE value", NULL
1504   },
1505   {
1506     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1507     0,                                  9999,
1508     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1509     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1510     &custom_element.ce_value_random_initial,
1511     NULL,                               "+random", NULL
1512   },
1513   {
1514     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1515     0,                                  999,
1516     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1517     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1518     &custom_element.push_delay_fixed,
1519     NULL,                               "push delay", NULL
1520   },
1521   {
1522     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1523     0,                                  999,
1524     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1525     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1526     &custom_element.push_delay_random,
1527     NULL,                               "+random", NULL
1528   },
1529   {
1530     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1531     0,                                  999,
1532     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1533     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1534     &custom_element.drop_delay_fixed,
1535     NULL,                               "drop delay", NULL
1536   },
1537   {
1538     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1539     0,                                  999,
1540     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1541     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1542     &custom_element.drop_delay_random,
1543     NULL,                               "+random", NULL
1544   },
1545
1546   /* ---------- element settings: configure 2 (custom elements) ------------ */
1547
1548   {
1549     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1550     0,                                  999,
1551     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1552     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1553     &custom_element.move_delay_fixed,
1554     NULL,                               "move delay", NULL
1555   },
1556   {
1557     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1558     0,                                  999,
1559     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1560     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1561     &custom_element.move_delay_random,
1562     NULL,                               "+random", NULL
1563   },
1564   {
1565     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
1566     0,                                  999,
1567     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1568     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1569     &custom_element.explosion_delay,
1570     NULL,                               "explosion delay", NULL
1571   },
1572   {
1573     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1574     0,                                  999,
1575     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1576     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1577     &custom_element.ignition_delay,
1578     NULL,                               "ignition delay", "(by fire)"
1579   },
1580
1581   /* ---------- element settings: configure (group elements) --------------- */
1582
1583   {
1584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1585     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1586     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1587     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1588     &group_element_info.num_elements,
1589     NULL,                               NULL, "number of elements in group"
1590   },
1591
1592   /* ---------- element settings: advanced (custom elements) --------------- */
1593
1594   {
1595     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1596     0,                                  999,
1597     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1598     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1599     &custom_element_change.delay_fixed,
1600     NULL,                               "CE delay", NULL,
1601   },
1602   {
1603     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1604     0,                                  999,
1605     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1606     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1607     &custom_element_change.delay_random,
1608     NULL,                               "+random", NULL
1609   },
1610   {
1611     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1612     0,                                  100,
1613     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1614     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1615     &custom_element_change.random_percentage,
1616     NULL,                               "use random replace:", "%"
1617   },
1618 };
1619
1620 static struct
1621 {
1622   int x, y;
1623   int gadget_id;
1624   int size;
1625   char *value;
1626   char *text_above, *infotext;
1627 } textinput_info[ED_NUM_TEXTINPUT] =
1628 {
1629   {
1630     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1631     GADGET_ID_LEVEL_NAME,
1632     MAX_LEVEL_NAME_LEN,
1633     level.name,
1634     "Title:", "Title for this level"
1635   },
1636   {
1637     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1638     GADGET_ID_LEVEL_AUTHOR,
1639     MAX_LEVEL_AUTHOR_LEN,
1640     level.author,
1641     "Author:", "Author for this level"
1642   },
1643   {
1644     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1645     GADGET_ID_LEVELSET_NAME,
1646     MAX_LEVEL_NAME_LEN,
1647     levelset_name,
1648     "Title:", "Title for this or new level set"
1649   },
1650   {
1651     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1652     GADGET_ID_LEVELSET_AUTHOR,
1653     MAX_LEVEL_AUTHOR_LEN,
1654     levelset_author,
1655     "Author:", "Author for this or new level set"
1656   },
1657   {
1658     -1, -1,     /* these values are not constant, but can change at runtime */
1659     GADGET_ID_ELEMENT_NAME,
1660     MAX_ELEMENT_NAME_LEN - 2,           /* currently 2 chars less editable */
1661     custom_element.description,
1662     NULL, "Element name"
1663   }
1664 };
1665
1666 static struct
1667 {
1668   int x, y;
1669   int gadget_id;
1670   int xsize, ysize;
1671   char *value;
1672   char *text_above, *infotext;
1673 } textarea_info[ED_NUM_TEXTAREAS] =
1674 {
1675   {
1676     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1677     GADGET_ID_ENVELOPE_INFO,
1678     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1679     NULL,
1680     "Envelope Content:", "Envelope Content"
1681   }
1682 };
1683
1684 static struct ValueTextInfo options_time_or_steps[] =
1685 {
1686   { 0,                          "seconds"                       },
1687   { 1,                          "steps"                         },
1688
1689   { -1,                         NULL                            }
1690 };
1691
1692 static struct ValueTextInfo options_game_engine_type[] =
1693 {
1694   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1695   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1696   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1697   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1698
1699   { -1,                         NULL                            }
1700 };
1701
1702 static struct ValueTextInfo options_levelset_save_mode[] =
1703 {
1704   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1705   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1706
1707   { -1,                         NULL                            }
1708 };
1709
1710 static struct ValueTextInfo options_wind_direction[] =
1711 {
1712   { MV_START_NONE,              "none"                          },
1713   { MV_START_LEFT,              "left"                          },
1714   { MV_START_RIGHT,             "right"                         },
1715   { MV_START_UP,                "up"                            },
1716   { MV_START_DOWN,              "down"                          },
1717
1718   { -1,                         NULL                            }
1719 };
1720
1721 static struct ValueTextInfo options_player_speed[] =
1722 {
1723   { 0,                          "frozen"                        },
1724   { 1,                          "very slow"                     },
1725   { 2,                          "slow"                          },
1726   { 4,                          "normal"                        },
1727   { 8,                          "fast"                          },
1728   { 16,                         "very fast"                     },
1729   { 32,                         "ultrafast"                     },
1730
1731   { -1,                         NULL                            }
1732 };
1733
1734 static struct ValueTextInfo options_access_type[] =
1735 {
1736   { EP_WALKABLE,                "walkable"                      },
1737   { EP_PASSABLE,                "passable"                      },
1738
1739   { -1,                         NULL                            }
1740 };
1741
1742 static struct ValueTextInfo options_access_layer[] =
1743 {
1744   { EP_ACCESSIBLE_OVER,         "over"                          },
1745   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1746   { EP_ACCESSIBLE_UNDER,        "under"                         },
1747
1748   { -1,                         NULL                            }
1749 };
1750
1751 static struct ValueTextInfo options_access_protected[] =
1752 {
1753   { 0,                          "unprotected"                   },
1754   { 1,                          "protected"                     },
1755
1756   { -1,                         NULL                            }
1757 };
1758
1759 static struct ValueTextInfo options_access_direction[] =
1760 {
1761   { MV_NO_DIRECTION,            "no direction"                  },
1762   { MV_LEFT,                    "left"                          },
1763   { MV_RIGHT,                   "right"                         },
1764   { MV_UP,                      "up"                            },
1765   { MV_DOWN,                    "down"                          },
1766   { MV_LEFT  | MV_UP,           "left + up"                     },
1767   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1768   { MV_RIGHT | MV_UP,           "right + up"                    },
1769   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1770   { MV_HORIZONTAL,              "horizontal"                    },
1771   { MV_VERTICAL,                "vertical"                      },
1772   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
1773   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
1774   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
1775   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
1776   { MV_ALL_DIRECTIONS,          "all directions"                },
1777
1778   { -1,                         NULL                            }
1779 };
1780
1781 static struct ValueTextInfo options_walk_to_action[] =
1782 {
1783   { EP_DIGGABLE,                "diggable"                      },
1784   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
1785   { EP_DROPPABLE,               "collectible & droppable"       },
1786   { EP_THROWABLE,               "collectible & throwable"       },
1787   { EP_PUSHABLE,                "pushable"                      },
1788
1789   { -1,                         NULL                            }
1790 };
1791
1792 static struct ValueTextInfo options_move_pattern[] =
1793 {
1794   { MV_LEFT,                    "left"                          },
1795   { MV_RIGHT,                   "right"                         },
1796   { MV_UP,                      "up"                            },
1797   { MV_DOWN,                    "down"                          },
1798   { MV_HORIZONTAL,              "horizontal"                    },
1799   { MV_VERTICAL,                "vertical"                      },
1800   { MV_ALL_DIRECTIONS,          "all directions"                },
1801   { MV_WIND_DIRECTION,          "wind direction"                },
1802   { MV_TOWARDS_PLAYER,          "towards player"                },
1803   { MV_AWAY_FROM_PLAYER,        "away from player"              },
1804   { MV_ALONG_LEFT_SIDE,         "along left side"               },
1805   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
1806   { MV_TURNING_LEFT,            "turning left"                  },
1807   { MV_TURNING_RIGHT,           "turning right"                 },
1808   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
1809   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
1810   { MV_TURNING_RANDOM,          "turning random"                },
1811   { MV_MAZE_RUNNER,             "maze runner style"             },
1812   { MV_MAZE_HUNTER,             "maze hunter style"             },
1813   { MV_WHEN_PUSHED,             "when pushed"                   },
1814   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
1815
1816   { -1,                         NULL                            }
1817 };
1818
1819 static struct ValueTextInfo options_move_direction[] =
1820 {
1821   { MV_START_AUTOMATIC,         "automatic"                     },
1822   { MV_START_LEFT,              "left"                          },
1823   { MV_START_RIGHT,             "right"                         },
1824   { MV_START_UP,                "up"                            },
1825   { MV_START_DOWN,              "down"                          },
1826   { MV_START_RANDOM,            "random"                        },
1827   { MV_START_PREVIOUS,          "previous"                      },
1828
1829   { -1,                         NULL                            }
1830 };
1831
1832 static struct ValueTextInfo options_move_stepsize[] =
1833 {
1834   { 0,                          "not moving"                    },
1835   { 1,                          "very slow"                     },
1836   { 2,                          "slow"                          },
1837   { 4,                          "normal"                        },
1838   { 8,                          "fast"                          },
1839   { 16,                         "very fast"                     },
1840   { 32,                         "even faster"                   },
1841
1842   { -1,                         NULL                            }
1843 };
1844
1845 static struct ValueTextInfo options_move_leave_type[] =
1846 {
1847   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
1848   { LEAVE_TYPE_LIMITED,         "change it to"                  },
1849
1850   { -1,                         NULL                            }
1851 };
1852
1853 static struct ValueTextInfo options_smash_targets[] =
1854 {
1855   { EP_CAN_SMASH_PLAYER,        "player"                        },
1856 #if 0
1857   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
1858 #endif
1859   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
1860
1861   { -1,                         NULL                            }
1862 };
1863
1864 static struct ValueTextInfo options_slippery_type[] =
1865 {
1866   { SLIPPERY_ANY_RANDOM,        "random"                        },
1867   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
1868   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
1869   { SLIPPERY_ONLY_LEFT,         "only left"                     },
1870   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
1871
1872   { -1,                         NULL                            }
1873 };
1874
1875 static struct ValueTextInfo options_deadliness[] =
1876 {
1877   { EP_DONT_RUN_INTO,           "running into"                  },
1878   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
1879   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
1880   { EP_DONT_TOUCH,              "touching"                      },
1881
1882   { -1,                         NULL                            }
1883 };
1884
1885 static struct ValueTextInfo options_explosion_type[] =
1886 {
1887   { EXPLODES_3X3,               "3x3"                           },
1888   { EXPLODES_CROSS,             "3+3"                           },
1889   { EXPLODES_1X1,               "1x1"                           },
1890
1891   { -1,                         NULL                            }
1892 };
1893
1894 static struct ValueTextInfo options_time_units[] =
1895 {
1896   { 1,                          "frames"                        },
1897   { FRAMES_PER_SECOND,          "seconds"                       },
1898
1899   { -1,                         NULL                            }
1900 };
1901
1902 static struct ValueTextInfo options_change_direct_action[] =
1903 {
1904   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
1905   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
1906   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
1907   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
1908   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
1909   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
1910   { CE_LEFT_BY_PLAYER,          "left by player"                },
1911   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
1912   { CE_SWITCHED,                "switched"                      },
1913   { CE_HITTING_SOMETHING,       "hitting something"             },
1914   { CE_HIT_BY_SOMETHING,        "hit by something"              },
1915 #if 0
1916   { CE_BLOCKED,                 "blocked"                       },
1917 #endif
1918   { CE_IMPACT,                  "impact (on something)"         },
1919   { CE_SMASHED,                 "smashed (from above)"          },
1920 #if 0
1921   { CE_VALUE_CHANGES,           "CE value changes"              },
1922   { CE_SCORE_CHANGES,           "CE score changes"              },
1923 #endif
1924   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
1925   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
1926
1927   { -1,                         NULL                            }
1928 };
1929
1930 static struct ValueTextInfo options_change_other_action[] =
1931 {
1932   { CE_PLAYER_TOUCHES_X,        "player touches"                },
1933   { CE_PLAYER_PRESSES_X,        "player presses"                },
1934   { CE_PLAYER_SWITCHES_X,       "player switches"               },
1935   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
1936   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
1937   { CE_PLAYER_ENTERS_X,         "player enters"                 },
1938   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
1939   { CE_PLAYER_DIGS_X,           "player digs"                   },
1940   { CE_PLAYER_COLLECTS_X,       "player collects"               },
1941   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
1942   { CE_TOUCHING_X,              "touching"                      },
1943   { CE_HITTING_X,               "hitting"                       },
1944   { CE_DIGGING_X,               "digging"                       },
1945   { CE_HIT_BY_X,                "hit by"                        },
1946   { CE_SWITCH_OF_X,             "switch of"                     },
1947   { CE_CHANGE_OF_X,             "change by page of"             },
1948   { CE_EXPLOSION_OF_X,          "explosion of"                  },
1949   { CE_MOVE_OF_X,               "move of"                       },
1950   { CE_CREATION_OF_X,           "creation of"                   },
1951   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
1952   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
1953   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
1954   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
1955
1956   { -1,                         NULL                            }
1957 };
1958
1959 static struct ValueTextInfo options_change_trigger_side[] =
1960 {
1961   { CH_SIDE_LEFT,               "left"                          },
1962   { CH_SIDE_RIGHT,              "right"                         },
1963   { CH_SIDE_TOP,                "top"                           },
1964   { CH_SIDE_BOTTOM,             "bottom"                        },
1965   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
1966   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
1967   { CH_SIDE_ANY,                "any"                           },
1968
1969   { -1,                         NULL                            }
1970 };
1971
1972 static struct ValueTextInfo options_change_trigger_player[] =
1973 {
1974   { CH_PLAYER_1,                "1"                             },
1975   { CH_PLAYER_2,                "2"                             },
1976   { CH_PLAYER_3,                "3"                             },
1977   { CH_PLAYER_4,                "4"                             },
1978   { CH_PLAYER_ANY,              "any"                           },
1979
1980   { -1,                         NULL                            }
1981 };
1982
1983 static struct ValueTextInfo options_change_trigger_page[] =
1984 {
1985   { (1 << 0),                   "1"                             },
1986   { (1 << 1),                   "2"                             },
1987   { (1 << 2),                   "3"                             },
1988   { (1 << 3),                   "4"                             },
1989   { (1 << 4),                   "5"                             },
1990   { (1 << 5),                   "6"                             },
1991   { (1 << 6),                   "7"                             },
1992   { (1 << 7),                   "8"                             },
1993   { (1 << 8),                   "9"                             },
1994   { (1 << 9),                   "10"                            },
1995   { (1 << 10),                  "11"                            },
1996   { (1 << 11),                  "12"                            },
1997   { (1 << 12),                  "13"                            },
1998   { (1 << 13),                  "14"                            },
1999   { (1 << 14),                  "15"                            },
2000   { (1 << 15),                  "16"                            },
2001   { (1 << 16),                  "17"                            },
2002   { (1 << 17),                  "18"                            },
2003   { (1 << 18),                  "19"                            },
2004   { (1 << 19),                  "20"                            },
2005   { (1 << 20),                  "21"                            },
2006   { (1 << 21),                  "22"                            },
2007   { (1 << 22),                  "23"                            },
2008   { (1 << 23),                  "24"                            },
2009   { (1 << 24),                  "25"                            },
2010   { (1 << 25),                  "26"                            },
2011   { (1 << 26),                  "27"                            },
2012   { (1 << 27),                  "28"                            },
2013   { (1 << 28),                  "29"                            },
2014   { (1 << 29),                  "30"                            },
2015   { (1 << 30),                  "31"                            },
2016   { (1 << 31),                  "32"                            },
2017   { CH_PAGE_ANY,                "any"                           },
2018
2019   { -1,                         NULL                            }
2020 };
2021
2022 static struct ValueTextInfo options_change_replace_when[] =
2023 {
2024   { CP_WHEN_EMPTY,              "empty"                         },
2025   { CP_WHEN_WALKABLE,           "walkable"                      },
2026   { CP_WHEN_DIGGABLE,           "diggable"                      },
2027   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2028   { CP_WHEN_REMOVABLE,          "removable"                     },
2029   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2030
2031   { -1,                         NULL                            }
2032 };
2033
2034 static struct ValueTextInfo options_action_type[] =
2035 {
2036   { CA_NO_ACTION,               "no action"                     },
2037   { CA_UNDEFINED,               " "                             },
2038   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2039   { CA_RESTART_LEVEL,           "restart level"                 },
2040   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2041   { CA_SET_LEVEL_TIME,          "set time"                      },
2042   { CA_SET_LEVEL_SCORE,         "set score"                     },
2043   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2044   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2045   { CA_SET_LEVEL_RANDOM_SEED,   "set rand. seed"                },
2046   { CA_UNDEFINED,               " "                             },
2047   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2048   { CA_MOVE_PLAYER,             "move player"                   },
2049   { CA_EXIT_PLAYER,             "exit player"                   },
2050   { CA_KILL_PLAYER,             "kill player"                   },
2051   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2052   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2053   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2054   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2055   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2056   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2057   { CA_UNDEFINED,               " "                             },
2058   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2059   { CA_SET_CE_VALUE,            "set CE value"                  },
2060   { CA_SET_CE_SCORE,            "set CE score"                  },
2061   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2062   { CA_UNDEFINED,               " "                             },
2063   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2064   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2065
2066   { -1,                         NULL                            }
2067 };
2068
2069 static struct ValueTextInfo options_action_mode_none[] =
2070 {
2071   { CA_MODE_UNDEFINED,          " "                             },
2072
2073   { -1,                         NULL                            }
2074 };
2075
2076 static struct ValueTextInfo options_action_mode_assign[] =
2077 {
2078   { CA_MODE_SET,                "="                             },
2079
2080   { -1,                         NULL                            }
2081 };
2082
2083 static struct ValueTextInfo options_action_mode_add_remove[] =
2084 {
2085   { CA_MODE_ADD,                "+"                             },
2086   { CA_MODE_SUBTRACT,           "-"                             },
2087
2088   { -1,                         NULL                            }
2089 };
2090
2091 static struct ValueTextInfo options_action_mode_calculate[] =
2092 {
2093   { CA_MODE_SET,                "="                             },
2094   { CA_MODE_ADD,                "+"                             },
2095   { CA_MODE_SUBTRACT,           "-"                             },
2096   { CA_MODE_MULTIPLY,           "*"                             },
2097   { CA_MODE_DIVIDE,             "/"                             },
2098   { CA_MODE_MODULO,             "%"                             },
2099
2100   { -1,                         NULL                            }
2101 };
2102
2103 static struct ValueTextInfo options_action_arg_none[] =
2104 {
2105   { CA_ARG_UNDEFINED,           "         "                     },
2106
2107   { -1,                         NULL                            }
2108 };
2109
2110 static struct ValueTextInfo options_action_arg_player[] =
2111 {
2112   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2113   { CA_ARG_PLAYER_1,            "1"                             },
2114   { CA_ARG_PLAYER_2,            "2"                             },
2115   { CA_ARG_PLAYER_3,            "3"                             },
2116   { CA_ARG_PLAYER_4,            "4"                             },
2117   { CA_ARG_PLAYER_ANY,          "any"                           },
2118   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2119   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2120
2121   { -1,                         NULL                            }
2122 };
2123
2124 static struct ValueTextInfo options_action_arg_number[] =
2125 {
2126   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2127   { CA_ARG_0,                   "0"                             },
2128   { CA_ARG_1,                   "1"                             },
2129   { CA_ARG_2,                   "2"                             },
2130   { CA_ARG_3,                   "3"                             },
2131   { CA_ARG_4,                   "4"                             },
2132   { CA_ARG_5,                   "5"                             },
2133   { CA_ARG_10,                  "10"                            },
2134   { CA_ARG_100,                 "100"                           },
2135   { CA_ARG_1000,                "1000"                          },
2136   { CA_ARG_UNDEFINED,           " "                             },
2137   { CA_ARG_NUMBER_MIN,          "min"                           },
2138   { CA_ARG_NUMBER_MAX,          "max"                           },
2139   { CA_ARG_UNDEFINED,           " "                             },
2140   { CA_ARG_NUMBER_RESET,        "reset"                         },
2141   { CA_ARG_UNDEFINED,           " "                             },
2142   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2143   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2144   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2145   { CA_ARG_UNDEFINED,           " "                             },
2146   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2147   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2148   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2149   { CA_ARG_UNDEFINED,           " "                             },
2150   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2151   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2152   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2153   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2154   { CA_ARG_UNDEFINED,           " "                             },
2155   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2156   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2157   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2158   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2159
2160   { -1,                         NULL                            }
2161 };
2162
2163 static struct ValueTextInfo options_action_arg_value[] =
2164 {
2165   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2166   { CA_ARG_0,                   "0"                             },
2167   { CA_ARG_1,                   "1"                             },
2168   { CA_ARG_2,                   "2"                             },
2169   { CA_ARG_3,                   "3"                             },
2170   { CA_ARG_4,                   "4"                             },
2171   { CA_ARG_5,                   "5"                             },
2172   { CA_ARG_10,                  "10"                            },
2173   { CA_ARG_100,                 "100"                           },
2174   { CA_ARG_1000,                "1000"                          },
2175   { CA_ARG_UNDEFINED,           " "                             },
2176   { CA_ARG_NUMBER_MIN,          "min"                           },
2177   { CA_ARG_NUMBER_MAX,          "max"                           },
2178   { CA_ARG_UNDEFINED,           " "                             },
2179   { CA_ARG_NUMBER_RESET,        "reset"                         },
2180   { CA_ARG_UNDEFINED,           " "                             },
2181   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2182   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2183   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2184   { CA_ARG_UNDEFINED,           " "                             },
2185   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2186   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2187   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2188   { CA_ARG_UNDEFINED,           " "                             },
2189   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2190   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2191   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2192   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2193   { CA_ARG_UNDEFINED,           " "                             },
2194   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2195   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2196   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2197   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2198   { CA_ARG_UNDEFINED,           " "                             },
2199   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2200   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2201   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2202   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2203
2204   { -1,                         NULL                            }
2205 };
2206
2207 static struct ValueTextInfo options_action_arg_envelope[] =
2208 {
2209   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2210   { CA_ARG_1,                   "1"                             },
2211   { CA_ARG_2,                   "2"                             },
2212   { CA_ARG_3,                   "3"                             },
2213   { CA_ARG_4,                   "4"                             },
2214   { CA_ARG_UNDEFINED,           " "                             },
2215   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2216   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2217   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2218   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2219
2220   { -1,                         NULL                            }
2221 };
2222
2223 static struct ValueTextInfo options_action_arg_key[] =
2224 {
2225   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2226   { CA_ARG_1,                   "1"                             },
2227   { CA_ARG_2,                   "2"                             },
2228   { CA_ARG_3,                   "3"                             },
2229   { CA_ARG_4,                   "4"                             },
2230   { CA_ARG_5,                   "5"                             },
2231   { CA_ARG_6,                   "6"                             },
2232   { CA_ARG_7,                   "7"                             },
2233   { CA_ARG_8,                   "8"                             },
2234   { CA_ARG_UNDEFINED,           " "                             },
2235   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2236   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2237   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2238   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2239
2240   { -1,                         NULL                            }
2241 };
2242
2243 static struct ValueTextInfo options_action_arg_speed[] =
2244 {
2245   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2246   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2247   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2248   { CA_ARG_SPEED_SLOW,          "slow"                          },
2249   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2250   { CA_ARG_SPEED_FAST,          "fast"                          },
2251   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2252   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2253   { CA_ARG_UNDEFINED,           " "                             },
2254   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2255   { CA_ARG_SPEED_FASTER,        "faster"                        },
2256   { CA_ARG_UNDEFINED,           " "                             },
2257   { CA_ARG_SPEED_RESET,         "reset"                         },
2258
2259   { -1,                         NULL                            }
2260 };
2261
2262 static struct ValueTextInfo options_action_arg_shield[] =
2263 {
2264   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2265   { CA_ARG_SHIELD_OFF,          "off"                           },
2266   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2267   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2268
2269   { -1,                         NULL                            }
2270 };
2271
2272 static struct ValueTextInfo options_action_arg_artwork[] =
2273 {
2274   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2275   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2276   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2277   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2278   { CA_ARG_UNDEFINED,           " "                             },
2279   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2280
2281   { -1,                         NULL                            }
2282 };
2283
2284 static struct ValueTextInfo options_action_arg_gravity[] =
2285 {
2286   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2287   { CA_ARG_GRAVITY_ON,          "on"                            },
2288   { CA_ARG_GRAVITY_OFF,         "off"                           },
2289   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2290
2291   { -1,                         NULL                            }
2292 };
2293
2294 static struct ValueTextInfo options_action_arg_direction[] =
2295 {
2296   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2297   { CA_ARG_DIRECTION_NONE,      "none"                          },
2298   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2299   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2300   { CA_ARG_DIRECTION_UP,        "up"                            },
2301   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2302   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2303   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2304
2305   { -1,                         NULL                            }
2306 };
2307
2308 static struct ValueTextInfo options_action_arg_scan_mode[] =
2309 {
2310   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2311   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2312   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2313
2314   { -1,                         NULL                            }
2315 };
2316
2317 static struct ValueTextInfo options_action_arg_inventory[] =
2318 {
2319   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2320   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2321   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2322   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2323   { CA_ARG_UNDEFINED,           " "                             },
2324   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2325   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2326   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2327   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2328   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2329   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2330   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2331   { CA_ARG_UNDEFINED,           " "                             },
2332   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2333
2334   { -1,                         NULL                            }
2335 };
2336
2337 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2338 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2339 {
2340   { -1,                         NULL                            }
2341 };
2342
2343 static struct ValueTextInfo options_group_choice_mode[] =
2344 {
2345   { ANIM_RANDOM,                "random"                        },
2346   { ANIM_LOOP,                  "loop"                          },
2347   { ANIM_LINEAR,                "linear"                        },
2348   { ANIM_PINGPONG,              "pingpong"                      },
2349   { ANIM_PINGPONG2,             "pingpong 2"                    },
2350
2351   { -1,                         NULL                            }
2352 };
2353
2354 static struct ValueTextInfo *action_arg_modes[] =
2355 {
2356   options_action_mode_none,
2357   options_action_mode_assign,
2358   options_action_mode_add_remove,
2359   options_action_mode_calculate,
2360 };
2361
2362 static struct
2363 {
2364   int value;
2365   int mode;
2366   struct ValueTextInfo *options;
2367 }
2368 action_arg_options[] =
2369 {
2370   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2371   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2372   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2373   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2374   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2375   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2376   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2377   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2378   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2379   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2380   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2381   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2382   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2383   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2384   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2385   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2386   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2387   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2388   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2389   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2390   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2391
2392   { -1,                         FALSE,  NULL                            }
2393 };
2394
2395 static struct
2396 {
2397   int x, y;
2398   int gadget_id;
2399   int gadget_id_align;
2400   int size;     /* char size of selectbox or '-1' (dynamically determined) */
2401   struct ValueTextInfo *options;
2402   int *value;
2403   char *text_above, *text_left, *text_right, *infotext;
2404 } selectbox_info[ED_NUM_SELECTBOX] =
2405 {
2406   /* ---------- level and editor settings ---------------------------------- */
2407
2408   {
2409     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2410     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2411     -1,
2412     options_time_or_steps,
2413     &level.use_step_counter,
2414     NULL, NULL, "(0 => no limit)",      "time or step limit"
2415   },
2416   {
2417     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
2418     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2419     -1,
2420     options_game_engine_type,
2421     &level.game_engine_type,
2422     NULL, "game engine:", NULL,         "game engine"
2423   },
2424   {
2425     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2426     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2427     -1,
2428     options_levelset_save_mode,
2429     &levelset_save_mode,
2430     "Action:", NULL, NULL,              "action when saving level set"
2431   },
2432
2433   /* ---------- element settings: configure (several elements) ------------- */
2434
2435   {
2436     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2437     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2438     -1,
2439     options_wind_direction,
2440     &level.wind_direction_initial,
2441     NULL, "initial wind direction:", NULL,      "initial wind direction"
2442   },
2443   {
2444     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2445     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2446     -1,
2447     options_player_speed,
2448     &level.initial_player_stepsize[0],
2449     NULL, "initial player speed:", NULL,        "initial player speed"
2450   },
2451
2452   /* ---------- element settings: configure 1 (custom elements) ------------ */
2453
2454   {
2455     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2456     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2457     -1,
2458     options_access_type,
2459     &custom_element.access_type,
2460     NULL, NULL, NULL,                   "type of access to this field"
2461   },
2462   {
2463     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2464     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2465     -1,
2466     options_access_layer,
2467     &custom_element.access_layer,
2468     NULL, NULL, NULL,                   "layer of access for this field"
2469   },
2470   {
2471     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2472     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2473     -1,
2474     options_access_protected,
2475     &custom_element.access_protected,
2476     NULL, NULL, NULL,                   "protected access for this field"
2477   },
2478   {
2479     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2480     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2481     -1,
2482     options_access_direction,
2483     &custom_element.access_direction,
2484     NULL, "from", NULL,                 "access direction for this field"
2485   },
2486   {
2487     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2488     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2489     -1,
2490     options_walk_to_action,
2491     &custom_element.walk_to_action,
2492     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2493   },
2494
2495   /* ---------- element settings: configure 2 (custom elements) ------------ */
2496
2497   {
2498     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2499     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2500     -1,
2501     options_move_pattern,
2502     &custom_element.move_pattern,
2503     NULL, "can move", NULL,             "element move pattern"
2504   },
2505   {
2506     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2507     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2508     -1,
2509     options_move_direction,
2510     &custom_element.move_direction_initial,
2511     NULL, "starts moving", NULL,        "initial element move direction"
2512   },
2513   {
2514     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2515     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2516     -1,
2517     options_move_stepsize,
2518     &custom_element.move_stepsize,
2519     NULL, "move/fall speed", NULL,      "speed of element movement"
2520   },
2521   {
2522     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2523     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2524     -1,
2525     options_move_leave_type,
2526     &custom_element.move_leave_type,
2527     // left text with leading spaces to place gadget next to "can dig" gadget
2528     // (needed because drawing area gadgets created after selectbox gadgets)
2529     // NULL, "can dig:    can", ":",    "leave behind or change element"
2530     NULL, "            can", ":",       "leave behind or change element"
2531   },
2532   {
2533     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
2534     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2535     -1,
2536     options_smash_targets,
2537     &custom_element.smash_targets,
2538     NULL, "can smash", NULL,            "elements that can be smashed"
2539   },
2540   {
2541     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
2542     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2543     -1,
2544     options_slippery_type,
2545     &custom_element.slippery_type,
2546     NULL, "slippery", NULL,             "where other elements fall down"
2547   },
2548   {
2549     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2550     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2551     -1,
2552     options_deadliness,
2553     &custom_element.deadliness,
2554     NULL, "deadly when", NULL,          "deadliness of element"
2555   },
2556   {
2557     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2558     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2559     -1,
2560     options_explosion_type,
2561     &custom_element.explosion_type,
2562     NULL, "can explode", NULL,          "explosion type"
2563   },
2564
2565   /* ---------- element settings: advanced (custom elements) --------------- */
2566
2567   {
2568     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2569     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2570     -1,
2571     options_time_units,
2572     &custom_element_change.delay_frames,
2573     NULL, "delay time given in", NULL,  "delay time units for change"
2574   },
2575   {
2576     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2577     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2578     -1,
2579     options_change_direct_action,
2580     &custom_element_change.direct_action,
2581     NULL, NULL, NULL,                   "type of direct action"
2582   },
2583   {
2584     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2585     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2586     -1,
2587     options_change_other_action,
2588     &custom_element_change.other_action,
2589     NULL, NULL, "element:",             "type of other element action"
2590   },
2591   {
2592     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2593     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2594     -1,
2595     options_change_trigger_side,
2596     &custom_element_change.trigger_side,
2597     NULL, "at", "side",                 "element side triggering change"
2598   },
2599   {
2600     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2601     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2602     -1,
2603     options_change_trigger_player,
2604     &custom_element_change.trigger_player,
2605     NULL, "player:", " ",               "player that causes change"
2606   },
2607   {
2608     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2609     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2610     -1,
2611     options_change_trigger_page,
2612     &custom_element_change.trigger_page,
2613     NULL, "page:", NULL,                "change page that causes change"
2614   },
2615   {
2616     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2617     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2618     -1,
2619     options_change_replace_when,
2620     &custom_element_change.replace_when,
2621     NULL, "replace when", NULL,         "which elements can be replaced"
2622   },
2623   {
2624     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2625     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2626     -1,
2627     options_action_type,
2628     &custom_element_change.action_type,
2629     NULL, NULL, NULL,                   "action on specified condition"
2630   },
2631   {
2632     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2633     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2634     -1,
2635     options_action_mode_none,
2636     &custom_element_change.action_mode,
2637     NULL, NULL, NULL,                   "action operator"
2638   },
2639   {
2640     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2641     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2642     -1,
2643     options_action_arg_none,
2644     &custom_element_change.action_arg,
2645     NULL, NULL, NULL,                   "action parameter"
2646   },
2647   {
2648     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2649     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2650     3,
2651     options_change_page,
2652     &custom_element.current_change_page,
2653     NULL, NULL, NULL,                   "element change page"
2654   },
2655
2656   /* ---------- element settings: configure (group elements) --------------- */
2657
2658   {
2659     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2660     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2661     -1,
2662     options_group_choice_mode,
2663     &group_element_info.choice_mode,
2664     NULL, "choice type:", NULL,         "type of group element choice"
2665   },
2666 };
2667
2668 static struct
2669 {
2670   int x, y;
2671   int gadget_id;
2672   int gadget_id_align;
2673   int size;
2674   char *text;
2675   char *text_above, *text_left, *text_right, *infotext;
2676 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2677 {
2678   /* ---------- level and editor settings (tabs) --------------------------- */
2679
2680   {
2681     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
2682     GADGET_ID_LEVELINFO_LEVEL,          GADGET_ID_NONE,
2683     8,                                  "Level",
2684     NULL, NULL, NULL,                   "Configure level properties"
2685   },
2686   {
2687     -1,                                 -1,
2688     GADGET_ID_LEVELINFO_LEVELSET,       GADGET_ID_LEVELINFO_LEVEL,
2689     8,                                  "Levelset",
2690     NULL, NULL, NULL,                   "Update this or create new level set"
2691   },
2692   {
2693     -1,                                 -1,
2694     GADGET_ID_LEVELINFO_EDITOR,         GADGET_ID_LEVELINFO_LEVELSET,
2695     8,                                  "Editor",
2696     NULL, NULL, NULL,                   "Configure editor properties"
2697   },
2698
2699   /* ---------- element settings (tabs) ------------------------------------ */
2700
2701   {
2702     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
2703     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
2704     8,                                  "Info",
2705     NULL, NULL, NULL,                   "Show information about element"
2706   },
2707   {
2708     -1,                                 -1,
2709     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
2710     8,                                  "Config",
2711     NULL, NULL, NULL,                   "Configure element properties"
2712   },
2713   {
2714     -1,                                 -1,
2715     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
2716     8,                                  "Config 1",
2717     NULL, NULL, NULL,                   "Configure element properties, part 1"
2718   },
2719   {
2720     -1,                                 -1,
2721     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
2722     8,                                  "Config 2",
2723     NULL, NULL, NULL,                   "Configure element properties, part 2"
2724   },
2725   {
2726     -1,                                 -1,
2727     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
2728     8,                                  "Change",
2729     NULL, NULL, NULL,                   "Configure custom element change pages"
2730   },
2731
2732   /* ---------- level and editor settings (buttons) ------------------------ */
2733
2734   {
2735     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
2736     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
2737     -1,                                 "Save",
2738     NULL, NULL, NULL,                   "Update or create level set"
2739   },
2740   {
2741     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2742     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
2743     -1,                                 "Save",
2744     NULL, NULL,                         "this level as level template",
2745     "Save current settings as new template"
2746   },
2747
2748   /* ---------- element settings (buttons) --------------------------------- */
2749
2750   {
2751     -1,                                 -1,
2752     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
2753     -1,                                 "Save",
2754     NULL, " ",                          "As Template",
2755     "Save current settings as new template"
2756   },
2757   {
2758     -1,                                 -1,
2759     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
2760     -1,                                 "New",
2761     NULL, NULL, NULL,                   "Add new change page"
2762   },
2763   {
2764     -1,                                 -1,
2765     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
2766     -1,                                 "Delete",
2767     NULL, NULL, NULL,                   "Delete current change page"
2768   },
2769 };
2770
2771 static struct
2772 {
2773   int graphic;
2774   int x, y;
2775   int gadget_id;
2776   int gadget_id_align;
2777   char *text_left, *text_right, *infotext;
2778 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
2779 {
2780   {
2781     IMG_EDITOR_COUNTER_DOWN,
2782     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
2783     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
2784     NULL, NULL,                         "select previous change page"
2785   },
2786   {
2787     IMG_EDITOR_COUNTER_UP,
2788     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2789     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
2790     NULL, "change page",                "select next change page"
2791   },
2792   {
2793     IMG_GFX_EDITOR_BUTTON_CP_COPY,
2794     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2795     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
2796     " ", NULL,                          "copy settings from this change page"
2797   },
2798   {
2799     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
2800     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
2801     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
2802     NULL, NULL,                         "paste settings to this change page"
2803   },
2804 };
2805
2806 static struct
2807 {
2808   int x, y;
2809 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
2810
2811 static struct
2812 {
2813   int graphic;
2814   int gadget_id;
2815   char *infotext;
2816 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
2817 {
2818   {
2819     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
2820     GADGET_ID_SCROLL_UP,
2821     "scroll level editing area up"
2822   },
2823   {
2824     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
2825     GADGET_ID_SCROLL_DOWN,
2826     "scroll level editing area down"
2827   },
2828   {
2829     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
2830     GADGET_ID_SCROLL_LEFT,
2831     "scroll level editing area left"
2832   },
2833   {
2834     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
2835     GADGET_ID_SCROLL_RIGHT,
2836     "scroll level editing area right"
2837   },
2838   {
2839     IMG_EDITOR_PALETTE_SCROLL_UP,
2840     GADGET_ID_SCROLL_LIST_UP,
2841     "scroll element list up ('Page Up')"
2842   },
2843   {
2844     IMG_EDITOR_PALETTE_SCROLL_DOWN,
2845     GADGET_ID_SCROLL_LIST_DOWN,
2846     "scroll element list down ('Page Down')"
2847   },
2848 };
2849
2850 static struct
2851 {
2852   int x, y;
2853   int width, height;
2854   int wheel_x, wheel_y;
2855   int wheel_width, wheel_height;
2856 } scrollbar_pos[ED_NUM_SCROLLBARS];
2857
2858 static struct
2859 {
2860   int graphic;
2861   int type;
2862   int gadget_id;
2863   char *infotext;
2864 } scrollbar_info[ED_NUM_SCROLLBARS] =
2865 {
2866   {
2867     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2868     GD_TYPE_SCROLLBAR_HORIZONTAL,
2869     GADGET_ID_SCROLL_HORIZONTAL,
2870     "scroll level editing area horizontally"
2871   },
2872   {
2873     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
2874     GD_TYPE_SCROLLBAR_VERTICAL,
2875     GADGET_ID_SCROLL_VERTICAL,
2876     "scroll level editing area vertically"
2877   },
2878   {
2879     IMG_EDITOR_PALETTE_SCROLLBAR,
2880     GD_TYPE_SCROLLBAR_VERTICAL,
2881     GADGET_ID_SCROLL_LIST_VERTICAL,
2882     "scroll element list vertically"
2883   }
2884 };
2885
2886
2887 static struct
2888 {
2889   int x, y;
2890   int gadget_id;
2891   int gadget_id_align;
2892   int radio_button_nr;
2893   int *value;
2894   int checked_value;
2895   char *text_left, *text_right, *infotext;
2896 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
2897 {
2898   {
2899     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2900     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
2901     RADIO_NR_RANDOM_ELEMENTS,
2902     &random_placement_method,           RANDOM_USE_PERCENTAGE,
2903     " ", "percentage",                  "use percentage for random elements"
2904   },
2905   {
2906     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
2907     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
2908     RADIO_NR_RANDOM_ELEMENTS,
2909     &random_placement_method,           RANDOM_USE_QUANTITY,
2910     " ", "quantity",                    "use quantity for random elements"
2911   }
2912 };
2913
2914 static struct
2915 {
2916   int x, y;
2917   int gadget_id;
2918   int gadget_id_align;
2919   boolean *value;
2920   char *text_above, *text_left, *text_right, *infotext;
2921 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
2922 {
2923   /* ---------- level and editor settings ---------------------------------- */
2924
2925   {
2926     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
2927     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
2928     &level.auto_count_gems,
2929     NULL, NULL,
2930     "automatically count gems needed",  "set counter to number of gems"
2931   },
2932   {
2933     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2934     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
2935     &random_placement_background_restricted,
2936     NULL, NULL,
2937     "restrict random placement to:",    "set random placement restriction"
2938   },
2939   {
2940     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
2941     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
2942     &setup.editor.use_template_for_new_levels,
2943     "Template for new levels and CE/GE:", NULL,
2944     "use template for new levels",      "use template for level properties"
2945   },
2946   {
2947     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
2948     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
2949     &level.use_custom_template,
2950     NULL, NULL,
2951     "use template for custom elements", "use template for custom properties"
2952   },
2953
2954   /* ---------- element settings: configure (various elements) ------------- */
2955
2956   {
2957     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2958     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
2959     &stick_element_properties_window,
2960     NULL, NULL,
2961     "stick this screen to edit content","stick this screen to edit content"
2962   },
2963   {
2964     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2965     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
2966     &level.em_slippery_gems,
2967     NULL, NULL,
2968     "slip down from certain flat walls","use EM/DC style slipping behaviour"
2969   },
2970   {
2971     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2972     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
2973     &level.em_explodes_by_fire,
2974     NULL, NULL,
2975     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
2976   },
2977   {
2978     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2979     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
2980     &level.use_spring_bug,
2981     NULL, NULL,
2982     "use spring pushing bug",           "use odd spring pushing behaviour"
2983   },
2984   {
2985     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
2986     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
2987     &level.use_time_orb_bug,
2988     NULL, NULL,
2989     "use time orb bug",                 "use odd time orb behaviour"
2990   },
2991   {
2992     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
2993     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
2994     &level.ball_random,
2995     NULL, NULL,
2996     "create single random element",     "only create one element from content"
2997   },
2998   {
2999     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3000     GADGET_ID_INITIAL_BALL_STATE,       GADGET_ID_NONE,
3001     &level.ball_state_initial,
3002     NULL, NULL,
3003     "magic ball initially activated",   "activate magic ball after level start"
3004   },
3005   {
3006     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3007     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3008     &level.grow_into_diggable,
3009     NULL, NULL,
3010     "can grow into anything diggable",  "grow into more than just sand"
3011   },
3012   {
3013     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3014     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3015     &level.auto_exit_sokoban,
3016     NULL, NULL,
3017     "exit level if all fields solved",  "automatically finish Sokoban levels"
3018   },
3019   {
3020     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3021     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3022     &level.continuous_snapping,
3023     NULL, NULL,
3024     "continuous snapping",              "use snapping without releasing key"
3025   },
3026   {
3027     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3028     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3029     &level.block_snap_field,
3030     NULL, NULL,
3031     "block snapped field when snapping", "use snapping delay to show animation"
3032   },
3033   {
3034     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3035     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3036     &level.block_last_field,
3037     NULL, NULL,
3038     "block last field when moving",     "player blocks last field when moving"
3039   },
3040   {
3041     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3042     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3043     &level.sp_block_last_field,
3044     NULL, NULL,
3045     "block last field when moving",     "player blocks last field when moving"
3046   },
3047   {
3048     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3049     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3050     &level.instant_relocation,
3051     NULL, NULL,
3052     "no scrolling when relocating",     "player gets relocated without delay"
3053   },
3054   {
3055     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3056     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3057     &level.shifted_relocation,
3058     NULL, NULL,
3059     "no centering when relocating",     "level not centered after relocation"
3060   },
3061   {
3062     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3063     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3064     &level.lazy_relocation,
3065     NULL, NULL,
3066     "only redraw off-screen relocation","no redraw if relocation target visible"
3067   },
3068   {
3069     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3070     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3071     &level.use_start_element[0],
3072     NULL, NULL,
3073     "use level start element:",        "start level at this element's position"
3074   },
3075   {
3076     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3077     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3078     &level.use_artwork_element[0],
3079     NULL, NULL,
3080     "use artwork from element:",        "use player artwork from other element"
3081   },
3082   {
3083     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3084     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3085     &level.use_explosion_element[0],
3086     NULL, NULL,
3087     "use explosion from element:",      "use explosion properties from element"
3088   },
3089   {
3090     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3091     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3092     &level.initial_player_gravity[0],
3093     NULL, NULL,
3094     "use initial gravity",              "set initial player gravity"
3095   },
3096   {
3097     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3098     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3099     &level.use_initial_inventory[0],
3100     NULL, NULL,
3101     "use initial inventory:",           "use collected elements on level start"
3102   },
3103   {
3104     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3105     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3106     &level.can_pass_to_walkable,
3107     NULL, NULL,
3108     "can pass to walkable element",     "player can pass to empty or walkable"
3109   },
3110   {
3111     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3112     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3113     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3114     NULL, NULL,
3115     "can fall into acid (with gravity)","player can fall into acid pool"
3116   },
3117   {
3118     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3119     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3120     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3121     NULL, NULL,
3122     "can move into acid",               "element can move into acid pool"
3123   },
3124   {
3125     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3126     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3127     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3128     NULL, NULL,
3129     "deadly when colliding with",       "element is deadly when hitting player"
3130   },
3131   {
3132     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3133     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3134     &level.envelope[0].autowrap,
3135     NULL, NULL,
3136     "auto-wrap",                        "automatically wrap envelope text"
3137   },
3138   {
3139     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3140     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3141     &level.envelope[0].centered,
3142     NULL, " ",
3143     "centered",                         "automatically center envelope text"
3144   },
3145   {
3146     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3147     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3148     &level.mm_laser_red,
3149     "choose color components for laser:", NULL,
3150     "red",                              "use red color components in laser"
3151   },
3152   {
3153     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3154     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3155     &level.mm_laser_green,
3156     NULL, NULL,
3157     "green",                            "use green color components in laser"
3158   },
3159   {
3160     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3161     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3162     &level.mm_laser_blue,
3163     NULL, NULL,
3164     "blue",                             "use blue color components in laser"
3165   },
3166   {
3167     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3168     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3169     &level.df_laser_red,
3170     "choose color components for laser:", NULL,
3171     "red",                              "use red color components in laser"
3172   },
3173   {
3174     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3175     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3176     &level.df_laser_green,
3177     NULL, NULL,
3178     "green",                            "use green color components in laser"
3179   },
3180   {
3181     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3182     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3183     &level.df_laser_blue,
3184     NULL, NULL,
3185     "blue",                             "use blue color components in laser"
3186   },
3187
3188   /* ---------- element settings: configure 1 (custom elements) ----------- */
3189
3190   {
3191     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3192     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3193     &custom_element.use_gfx_element,
3194     NULL, NULL,
3195     "use graphic of element:",          "use existing element graphic"
3196   },
3197   {
3198     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3199     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3200     &level.use_custom_template,
3201     NULL, NULL,
3202     "use template",                     "use template for custom properties"
3203   },
3204   {
3205     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3206     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3207     &custom_element_properties[EP_ACCESSIBLE],
3208     NULL, NULL,
3209     NULL,                               "player can walk to or pass this field"
3210   },
3211   {
3212     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3213     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3214     &custom_element_properties[EP_GRAVITY_REACHABLE],
3215     NULL, NULL,
3216     "reachable despite gravity",        "player can walk/dig despite gravity"
3217   },
3218   {
3219     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3220     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3221     &custom_element.use_last_ce_value,
3222     NULL, NULL,
3223     "use last CE value after change",   "use last CE value after change"
3224   },
3225   {
3226     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3227     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3228     &custom_element_properties[EP_WALK_TO_OBJECT],
3229     NULL, NULL,
3230     NULL,                               "player can dig/collect/push element"
3231   },
3232   {
3233     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3234     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3235     &custom_element_properties[EP_INDESTRUCTIBLE],
3236     NULL, NULL,
3237     "indestructible",                   "element is indestructible"
3238   },
3239
3240   /* ---------- element settings: configure 2 (custom elements) ----------- */
3241
3242   {
3243     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3244     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3245     &custom_element_properties[EP_CAN_MOVE],
3246     NULL, NULL,
3247     NULL,                               "element can move with some pattern"
3248   },
3249   {
3250     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
3251     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3252     &custom_element_properties[EP_CAN_FALL],
3253     NULL, NULL,
3254     "can fall",                         "element can fall down"
3255   },
3256   {
3257     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
3258     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3259     &custom_element_properties[EP_CAN_SMASH],
3260     NULL, " ",
3261     NULL,                               "element can smash other elements"
3262   },
3263   {
3264     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3265     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3266     &custom_element_properties[EP_SLIPPERY],
3267     NULL, NULL,
3268     NULL,                               "other elements can fall down from it"
3269   },
3270   {
3271     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3272     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3273     &custom_element_properties[EP_DEADLY],
3274     NULL, NULL,
3275     NULL,                               "element can kill the player"
3276   },
3277   {
3278     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3279     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3280     &custom_element_properties[EP_CAN_EXPLODE],
3281     NULL, NULL,
3282     NULL,                               "element can explode"
3283   },
3284   {
3285     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
3286     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3287     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3288     NULL, NULL,
3289     "by fire",                          "element can explode by fire/explosion"
3290   },
3291   {
3292     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3293     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3294     &custom_element_properties[EP_EXPLODES_SMASHED],
3295     NULL, " ",
3296     "smashed",                          "element can explode when smashed"
3297   },
3298   {
3299     -1,                                 ED_ELEMENT_SETTINGS_YPOS(11),
3300     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3301     &custom_element_properties[EP_EXPLODES_IMPACT],
3302     NULL, " ",
3303     "impact",                           "element can explode on impact"
3304   },
3305
3306   /* ---------- element settings: advanced (custom elements) --------------- */
3307
3308   {
3309     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3310     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3311     &custom_element_change.can_change,
3312     NULL, NULL,
3313     "element changes to:",              "change element on specified condition"
3314   },
3315   {
3316     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3317     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3318     &custom_element_change_events[CE_DELAY],
3319     NULL, NULL,
3320     NULL,                               "element changes after delay"
3321   },
3322   {
3323     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3324     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3325     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3326     NULL, NULL,
3327     NULL,                               "element changes by direct action"
3328   },
3329   {
3330     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3331     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3332     &custom_element_change_events[CE_BY_OTHER_ACTION],
3333     NULL, NULL,
3334     NULL,                               "element changes by other element"
3335   },
3336   {
3337     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3338     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3339     &custom_element_change.explode,
3340     NULL, NULL,
3341     "explode instead of change",        "element explodes instead of change"
3342   },
3343   {
3344     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3345     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3346     &custom_element_change.use_target_content,
3347     NULL, NULL,
3348     "use extended change target:",      "element changes to more elements"
3349   },
3350   {
3351     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3352     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3353     &custom_element_change.only_if_complete,
3354     NULL, NULL,
3355     "replace all or nothing",           "only replace when all can be changed"
3356   },
3357   {
3358     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3359     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3360     &custom_element_change.use_random_replace,
3361     NULL, NULL,
3362     NULL,                               "use percentage for random replace"
3363   },
3364   {
3365     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3366     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3367     &custom_element_change.has_action,
3368     NULL, NULL,
3369     NULL,                               "execute action on specified condition"
3370   },
3371 };
3372
3373 static struct
3374 {
3375   int x, y;
3376   int xoffset, yoffset;
3377   int gadget_id;
3378   int gadget_id_align;
3379   int *value;
3380   int area_xsize, area_ysize;
3381   char *text_left, *text_right, *text_below, *infotext;
3382 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3383 {
3384   /* ---------- level playfield content ------------------------------------ */
3385
3386   {
3387     0,                                  0,
3388     0,                                  0,
3389     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3390     NULL,
3391     -1, -1,     /* these values are not constant, but can change at runtime */
3392     NULL, NULL, NULL,                   NULL
3393   },
3394
3395   /* ---------- yam yam content -------------------------------------------- */
3396
3397   {
3398     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3399     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3400     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3401     &level.yamyam_content[0].e[0][0],   3, 3,
3402     NULL, NULL, "1",                    NULL
3403   },
3404   {
3405     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3406     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3407     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3408     &level.yamyam_content[1].e[0][0],   3, 3,
3409     NULL, NULL, "2",                    NULL
3410   },
3411   {
3412     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3413     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3414     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3415     &level.yamyam_content[2].e[0][0],   3, 3,
3416     NULL, NULL, "3",                    NULL
3417   },
3418   {
3419     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3420     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3421     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3422     &level.yamyam_content[3].e[0][0],   3, 3,
3423     NULL, NULL, "4",                    NULL
3424   },
3425   {
3426     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3427     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3428     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3429     &level.yamyam_content[4].e[0][0],   3, 3,
3430     NULL, NULL, "5",                    NULL
3431   },
3432   {
3433     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3434     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
3435     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
3436     &level.yamyam_content[5].e[0][0],   3, 3,
3437     NULL, NULL, "6",                    NULL
3438   },
3439   {
3440     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3441     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
3442     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
3443     &level.yamyam_content[6].e[0][0],   3, 3,
3444     NULL, NULL, "7",                    NULL
3445   },
3446   {
3447     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3448     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
3449     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
3450     &level.yamyam_content[7].e[0][0],   3, 3,
3451     NULL, NULL, "8",                    NULL
3452   },
3453
3454   /* ---------- magic ball content ----------------------------------------- */
3455
3456   {
3457     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3458     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
3459     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
3460     &level.ball_content[0].e[0][0],     3, 3,
3461     NULL, NULL, "1",                    NULL
3462   },
3463   {
3464     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3465     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
3466     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
3467     &level.ball_content[1].e[0][0],     3, 3,
3468     NULL, NULL, "2",                    NULL
3469   },
3470   {
3471     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3472     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
3473     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
3474     &level.ball_content[2].e[0][0],     3, 3,
3475     NULL, NULL, "3",                    NULL
3476   },
3477   {
3478     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3479     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
3480     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
3481     &level.ball_content[3].e[0][0],     3, 3,
3482     NULL, NULL, "4",                    NULL
3483   },
3484   {
3485     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3486     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
3487     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
3488     &level.ball_content[4].e[0][0],     3, 3,
3489     NULL, NULL, "5",                    NULL
3490   },
3491   {
3492     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3493     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
3494     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
3495     &level.ball_content[5].e[0][0],     3, 3,
3496     NULL, NULL, "6",                    NULL
3497   },
3498   {
3499     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3500     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
3501     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
3502     &level.ball_content[6].e[0][0],     3, 3,
3503     NULL, NULL, "7",                    NULL
3504   },
3505   {
3506     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
3507     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
3508     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
3509     &level.ball_content[7].e[0][0],     3, 3,
3510     NULL, NULL, "8",                    NULL
3511   },
3512
3513   /* ---------- android content -------------------------------------------- */
3514
3515   {
3516     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
3517     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3518     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
3519     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
3520     "elements:", NULL, NULL,            "elements android can clone"
3521   },
3522
3523   /* ---------- amoeba content --------------------------------------------- */
3524
3525   {
3526     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
3527     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3528     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
3529     &level.amoeba_content,              1, 1,
3530     "content:", NULL, NULL,             "amoeba content"
3531   },
3532
3533   /* ---------- level start element ---------------------------------------- */
3534
3535   {
3536     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
3537     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3538     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
3539     &level.start_element[0],            1, 1,
3540     NULL, NULL, NULL,                   "level start element"
3541   },
3542
3543   /* ---------- player artwork element ------------------------------------- */
3544
3545   {
3546     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
3547     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3548     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
3549     &level.artwork_element[0],          1, 1,
3550     NULL, NULL, NULL,                   "element for player artwork"
3551   },
3552
3553   /* ---------- player explosion element ----------------------------------- */
3554
3555   {
3556     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
3557     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3558     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
3559     &level.explosion_element[0],        1, 1,
3560     NULL, NULL, NULL,                   "element for player explosion"
3561   },
3562
3563   /* ---------- player initial inventory ----------------------------------- */
3564
3565   {
3566     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3567     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3568     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
3569     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
3570     NULL, NULL, NULL,                   "content for initial inventory"
3571   },
3572
3573   /* ---------- element settings: configure 1 (custom elements) ----------- */
3574
3575   /* ---------- custom graphic --------------------------------------------- */
3576
3577   {
3578     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3579     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3580     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
3581     &custom_element.gfx_element_initial,1, 1,
3582     NULL, NULL, NULL,                   "custom graphic element"
3583   },
3584
3585   /* ---------- element settings: configure 2 (custom elements) ----------- */
3586
3587   /* ---------- custom content (when exploding) ---------------------------- */
3588
3589   {
3590     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(10),
3591     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3592     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, /* align three rows */
3593     &custom_element.content.e[0][0],    3, 3,
3594     "content:", NULL, NULL,             NULL
3595   },
3596
3597   /* ---------- custom enter and leave element (when moving) --------------- */
3598
3599   {
3600     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
3601     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3602     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
3603     &custom_element.move_enter_element, 1, 1,
3604     "can dig:", " ", NULL,              "element that can be digged/collected"
3605   },
3606   {
3607     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
3608     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3609     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
3610     &custom_element.move_leave_element, 1, 1,
3611     NULL, NULL, NULL,                   "element that will be left behind"
3612   },
3613
3614   /* ---------- element settings: advanced (custom elements) --------------- */
3615
3616   /* ---------- custom change target --------------------------------------- */
3617
3618   {
3619     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
3620     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3621     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
3622     &custom_element_change.target_element, 1, 1,
3623     NULL, "after/when:", NULL,          "new target element after change"
3624   },
3625
3626   /* ---------- custom change content (extended change target) ------------- */
3627
3628   {
3629     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
3630     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
3631     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, /* align three rows */
3632     &custom_element_change.target_content.e[0][0], 3, 3,
3633     NULL, NULL, NULL,                   "new extended elements after change"
3634   },
3635
3636   /* ---------- custom change trigger (element causing change) ------------- */
3637
3638   {
3639     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
3640     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3641     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
3642     &custom_element_change.initial_trigger_element, 1, 1,
3643     NULL, NULL, NULL,                   "other element triggering change"
3644   },
3645
3646   /* ---------- custom change action (element used for action) ------------- */
3647
3648   {
3649     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
3650     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
3651     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
3652     &custom_element_change.action_element, 1, 1,
3653     NULL, NULL, NULL,                   "element used as action parameter"
3654   },
3655
3656   /* ---------- group element content -------------------------------------- */
3657
3658   {
3659     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
3660     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
3661     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
3662     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
3663     "content:", NULL, NULL,             NULL
3664   },
3665
3666   /* ---------- random background (for random painting) -------------------- */
3667
3668   {
3669     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
3670     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
3671     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
3672     &random_placement_background_element, 1, 1,
3673     NULL, NULL, NULL,                   "random placement background"
3674   },
3675 };
3676
3677
3678 /*
3679   -----------------------------------------------------------------------------
3680   some internally used variables
3681   -----------------------------------------------------------------------------
3682 */
3683
3684 /* maximal size of level editor drawing area */
3685 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
3686
3687 /* actual size of level editor drawing area */
3688 static int ed_fieldx, ed_fieldy;
3689
3690 /* actual position of level editor drawing area in level playfield */
3691 static int level_xpos = -1, level_ypos = -1;
3692
3693 /* actual tile size used to display playfield drawing area */
3694 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
3695
3696 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3697
3698 /* drawing elements on the three mouse buttons */
3699 static int new_element1 = EL_WALL;
3700 static int new_element2 = EL_EMPTY;
3701 static int new_element3 = EL_SAND;
3702
3703 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3704 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3705                                 (button) == 2 ? new_element2 : \
3706                                 (button) == 3 ? new_element3 : EL_EMPTY)
3707
3708 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3709
3710 static int use_permanent_palette = TRUE;
3711
3712 #define PX              (use_permanent_palette ? DX : SX)
3713 #define PY              (use_permanent_palette ? DY : SY)
3714 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3715 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3716
3717 /* forward declaration for internal use */
3718 static void ModifyEditorCounterValue(int, int);
3719 static void ModifyEditorCounterLimits(int, int, int);
3720 static void ModifyEditorSelectboxValue(int, int);
3721 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3722 static void ModifyEditorDrawingArea(int, int, int);
3723 static void ModifyEditorElementList();
3724 static void AdjustElementListScrollbar();
3725 static void RedrawDrawingElements();
3726 static void DrawDrawingWindowExt(boolean);
3727 static void DrawDrawingWindow();
3728 static void DrawDrawingWindow_PlayfieldOnly();
3729 static void DrawLevelInfoWindow();
3730 static void DrawPropertiesWindow();
3731 static void DrawPaletteWindow();
3732 static void UpdateCustomElementGraphicGadgets();
3733 static boolean checkPropertiesConfig(int);
3734 static void SetAutomaticNumberOfGemsNeeded();
3735 static void ClearEditorGadgetInfoText();
3736 static void CopyLevelToUndoBuffer(int);
3737 static void HandleDrawingAreas(struct GadgetInfo *);
3738 static void HandleCounterButtons(struct GadgetInfo *);
3739 static void HandleTextInputGadgets(struct GadgetInfo *);
3740 static void HandleTextAreaGadgets(struct GadgetInfo *);
3741 static void HandleSelectboxGadgets(struct GadgetInfo *);
3742 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3743 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3744 static void HandleRadiobuttons(struct GadgetInfo *);
3745 static void HandleCheckbuttons(struct GadgetInfo *);
3746 static void HandleControlButtons(struct GadgetInfo *);
3747 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3748 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3749 static boolean AskToCopyAndModifyLevelTemplate();
3750 static boolean getDrawModeHiRes();
3751 static int getTabulatorBarWidth();
3752 static int getTabulatorBarHeight();
3753 static Pixel getTabulatorBarColor();
3754
3755 static int num_editor_gadgets = 0;      /* dynamically determined */
3756
3757 static struct GadgetInfo **level_editor_gadget = NULL;
3758 static int *right_gadget_border = NULL;
3759
3760 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3761 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3762 static boolean draw_with_brush = FALSE;
3763 static int properties_element = 0;
3764
3765 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3766 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3767 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3768 static int undo_buffer_position = 0;
3769 static int undo_buffer_steps = 0;
3770 static int redo_buffer_steps = 0;
3771
3772 static int edit_mode;
3773 static int edit_mode_levelinfo;
3774 static int edit_mode_properties;
3775
3776 static int element_shift = 0;
3777
3778 static int editor_el_players[] =
3779 {
3780   EL_PLAYER_1,
3781   EL_PLAYER_2,
3782   EL_PLAYER_3,
3783   EL_PLAYER_4
3784 };
3785 static int *editor_el_players_ptr = editor_el_players;
3786 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3787
3788 static int editor_hl_boulderdash[] =
3789 {
3790   EL_INTERNAL_CASCADE_BD_ACTIVE,
3791   EL_CHAR('B'),
3792   EL_CHAR('D'),
3793   EL_EMPTY,
3794 };
3795
3796 static int editor_el_boulderdash[] =
3797 {
3798   EL_EMPTY,
3799   EL_SAND,
3800   EL_BD_ROCK,
3801   EL_BD_DIAMOND,
3802
3803   EL_STEELWALL,
3804   EL_BD_WALL,
3805   EL_BD_EXPANDABLE_WALL,
3806   EL_BD_MAGIC_WALL,
3807
3808   EL_BD_AMOEBA,
3809   EL_BD_BUTTERFLY_UP,
3810   EL_BD_FIREFLY_UP,
3811   EL_EXIT_CLOSED,
3812
3813   EL_BD_BUTTERFLY_LEFT,
3814   EL_BD_FIREFLY_LEFT,
3815   EL_BD_BUTTERFLY_RIGHT,
3816   EL_BD_FIREFLY_RIGHT,
3817
3818   EL_EMPTY,
3819   EL_BD_BUTTERFLY_DOWN,
3820   EL_BD_FIREFLY_DOWN,
3821   EL_EXIT_OPEN,
3822 };
3823 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3824 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3825 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3826 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3827
3828 static int editor_hl_emerald_mine[] =
3829 {
3830   EL_INTERNAL_CASCADE_EM_ACTIVE,
3831   EL_CHAR('E'),
3832   EL_CHAR('M'),
3833   EL_EMPTY,
3834 };
3835
3836 static int editor_el_emerald_mine[] =
3837 {
3838   EL_SAND,
3839   EL_ROCK,
3840   EL_QUICKSAND_EMPTY,
3841   EL_QUICKSAND_FULL,
3842
3843   EL_STEELWALL,
3844   EL_WALL,
3845   EL_WALL_SLIPPERY,
3846   EL_MAGIC_WALL,
3847
3848   EL_EMERALD,
3849   EL_DIAMOND,
3850   EL_NUT,
3851   EL_BOMB,
3852
3853   EL_WALL_EMERALD,
3854   EL_WALL_DIAMOND,
3855   EL_DYNAMITE,
3856   EL_DYNAMITE_ACTIVE,
3857
3858   EL_YAMYAM,
3859   EL_BUG_UP,
3860   EL_SPACESHIP_UP,
3861   EL_ROBOT,
3862
3863   EL_BUG_LEFT,
3864   EL_SPACESHIP_LEFT,
3865   EL_BUG_RIGHT,
3866   EL_SPACESHIP_RIGHT,
3867
3868   EL_ROBOT_WHEEL,
3869   EL_BUG_DOWN,
3870   EL_SPACESHIP_DOWN,
3871   EL_INVISIBLE_WALL,
3872
3873   EL_ACID_POOL_TOPLEFT,
3874   EL_ACID,
3875   EL_ACID_POOL_TOPRIGHT,
3876   EL_AMOEBA_DROP,
3877
3878   EL_ACID_POOL_BOTTOMLEFT,
3879   EL_ACID_POOL_BOTTOM,
3880   EL_ACID_POOL_BOTTOMRIGHT,
3881   EL_AMOEBA_WET,
3882
3883   EL_EM_KEY_1,
3884   EL_EM_KEY_2,
3885   EL_EM_KEY_3,
3886   EL_EM_KEY_4,
3887
3888   EL_EM_GATE_1,
3889   EL_EM_GATE_2,
3890   EL_EM_GATE_3,
3891   EL_EM_GATE_4,
3892
3893   EL_EM_GATE_1_GRAY,
3894   EL_EM_GATE_2_GRAY,
3895   EL_EM_GATE_3_GRAY,
3896   EL_EM_GATE_4_GRAY,
3897
3898   EL_EM_EXIT_CLOSED,
3899   EL_EM_EXIT_OPEN,
3900   EL_EM_STEEL_EXIT_CLOSED,
3901   EL_EM_STEEL_EXIT_OPEN,
3902 };
3903 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3904 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3905 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3906 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3907
3908 static int editor_hl_emerald_mine_club[] =
3909 {
3910   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3911   EL_CHAR('E'),
3912   EL_CHAR('M'),
3913   EL_CHAR('C'),
3914 };
3915
3916 static int editor_el_emerald_mine_club[] =
3917 {
3918   EL_EMC_KEY_5,
3919   EL_EMC_KEY_6,
3920   EL_EMC_KEY_7,
3921   EL_EMC_KEY_8,
3922
3923   EL_EMC_GATE_5,
3924   EL_EMC_GATE_6,
3925   EL_EMC_GATE_7,
3926   EL_EMC_GATE_8,
3927
3928   EL_EMC_GATE_5_GRAY,
3929   EL_EMC_GATE_6_GRAY,
3930   EL_EMC_GATE_7_GRAY,
3931   EL_EMC_GATE_8_GRAY,
3932
3933   EL_EMC_STEELWALL_1,
3934   EL_EMC_STEELWALL_2,
3935   EL_EMC_STEELWALL_3,
3936   EL_EMC_STEELWALL_4,
3937
3938   EL_EMC_WALL_13,
3939   EL_EMC_WALL_14,
3940   EL_EMC_WALL_15,
3941   EL_EMC_WALL_16,
3942
3943   EL_EMC_WALL_SLIPPERY_1,
3944   EL_EMC_WALL_SLIPPERY_2,
3945   EL_EMC_WALL_SLIPPERY_3,
3946   EL_EMC_WALL_SLIPPERY_4,
3947
3948   EL_EMC_WALL_1,
3949   EL_EMC_WALL_2,
3950   EL_EMC_WALL_3,
3951   EL_EMC_WALL_4,
3952
3953   EL_EMC_WALL_5,
3954   EL_EMC_WALL_6,
3955   EL_EMC_WALL_7,
3956   EL_EMC_WALL_8,
3957
3958   EL_EMC_WALL_9,
3959   EL_EMC_WALL_10,
3960   EL_EMC_WALL_11,
3961   EL_EMC_WALL_12,
3962
3963   EL_EMC_GRASS,
3964   EL_EMC_FAKE_GRASS,
3965   EL_EMC_PLANT,
3966   EL_EMC_DRIPPER,
3967
3968   EL_EMC_MAGIC_BALL,
3969   EL_EMC_MAGIC_BALL_SWITCH,
3970   EL_SPRING,
3971   EL_EMC_SPRING_BUMPER,
3972
3973   EL_EMC_LENSES,
3974   EL_EMC_MAGNIFIER,
3975   EL_EM_DYNAMITE,
3976   EL_EM_DYNAMITE_ACTIVE,
3977
3978   EL_BALLOON,
3979   EL_YAMYAM_UP,
3980   EL_BALLOON_SWITCH_UP,
3981   EL_BALLOON_SWITCH_ANY,
3982
3983   EL_YAMYAM_LEFT,
3984   EL_BALLOON_SWITCH_LEFT,
3985   EL_YAMYAM_RIGHT,
3986   EL_BALLOON_SWITCH_RIGHT,
3987
3988   EL_EMC_ANDROID,
3989   EL_YAMYAM_DOWN,
3990   EL_BALLOON_SWITCH_DOWN,
3991   EL_BALLOON_SWITCH_NONE,
3992 };
3993 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3994 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3995 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3996 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3997
3998 static int editor_hl_rnd[] =
3999 {
4000   EL_INTERNAL_CASCADE_RND_ACTIVE,
4001   EL_CHAR('R'),
4002   EL_CHAR('N'),
4003   EL_CHAR('D'),
4004 };
4005
4006 static int editor_el_rnd[] =
4007 {
4008   EL_KEY_1,
4009   EL_KEY_2,
4010   EL_KEY_3,
4011   EL_KEY_4,
4012
4013   EL_GATE_1,
4014   EL_GATE_2,
4015   EL_GATE_3,
4016   EL_GATE_4,
4017
4018   EL_GATE_1_GRAY,
4019   EL_GATE_2_GRAY,
4020   EL_GATE_3_GRAY,
4021   EL_GATE_4_GRAY,
4022
4023   EL_ARROW_LEFT,
4024   EL_ARROW_RIGHT,
4025   EL_ARROW_UP,
4026   EL_ARROW_DOWN,
4027
4028   EL_AMOEBA_DEAD,
4029   EL_AMOEBA_DRY,
4030   EL_AMOEBA_FULL,
4031   EL_GAME_OF_LIFE,
4032
4033   EL_EMERALD_YELLOW,
4034   EL_EMERALD_RED,
4035   EL_EMERALD_PURPLE,
4036   EL_BIOMAZE,
4037
4038   EL_WALL_EMERALD_YELLOW,
4039   EL_WALL_EMERALD_RED,
4040   EL_WALL_EMERALD_PURPLE,
4041   EL_WALL_BD_DIAMOND,
4042
4043   EL_SPEED_PILL,
4044   EL_PACMAN_UP,
4045   EL_TIME_ORB_FULL,
4046   EL_TIME_ORB_EMPTY,
4047
4048   EL_PACMAN_LEFT,
4049   EL_DARK_YAMYAM,
4050   EL_PACMAN_RIGHT,
4051   EL_EMPTY,
4052
4053   EL_BLACK_ORB,
4054   EL_PACMAN_DOWN,
4055   EL_LAMP,
4056   EL_LAMP_ACTIVE,
4057
4058   EL_DYNABOMB_INCREASE_NUMBER,
4059   EL_DYNABOMB_INCREASE_SIZE,
4060   EL_DYNABOMB_INCREASE_POWER,
4061   EL_STONEBLOCK,
4062
4063   EL_MOLE,
4064   EL_PENGUIN,
4065   EL_PIG,
4066   EL_DRAGON,
4067
4068   EL_BUG,
4069   EL_MOLE_UP,
4070   EL_BD_BUTTERFLY,
4071   EL_BD_FIREFLY,
4072
4073   EL_MOLE_LEFT,
4074   EL_SATELLITE,
4075   EL_MOLE_RIGHT,
4076   EL_PACMAN,
4077
4078   EL_SPACESHIP,
4079   EL_MOLE_DOWN,
4080   EL_INVISIBLE_STEELWALL,
4081   EL_INVISIBLE_WALL,
4082
4083   EL_EXPANDABLE_WALL,
4084   EL_EXPANDABLE_WALL_HORIZONTAL,
4085   EL_EXPANDABLE_WALL_VERTICAL,
4086   EL_EXPANDABLE_WALL_ANY,
4087 };
4088 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4089 static int *editor_el_rnd_ptr = editor_el_rnd;
4090 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4091 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4092
4093 static int editor_hl_sokoban[] =
4094 {
4095   EL_INTERNAL_CASCADE_SB_ACTIVE,
4096   EL_CHAR('S'),
4097   EL_CHAR('B'),
4098   EL_EMPTY,
4099 };
4100
4101 static int editor_el_sokoban[] =
4102 {
4103   EL_SOKOBAN_OBJECT,
4104   EL_SOKOBAN_FIELD_EMPTY,
4105   EL_SOKOBAN_FIELD_FULL,
4106   EL_SOKOBAN_FIELD_PLAYER,
4107 };
4108 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4109 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4110 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4111 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4112
4113 static int editor_hl_supaplex[] =
4114 {
4115   EL_INTERNAL_CASCADE_SP_ACTIVE,
4116   EL_CHAR('S'),
4117   EL_CHAR('P'),
4118   EL_EMPTY,
4119 };
4120
4121 static int editor_el_supaplex[] =
4122 {
4123   EL_SP_MURPHY,
4124   EL_EMPTY,
4125   EL_SP_BASE,
4126   EL_SP_BUGGY_BASE,
4127
4128   EL_SP_INFOTRON,
4129   EL_SP_ZONK,
4130   EL_SP_SNIKSNAK,
4131   EL_SP_ELECTRON,
4132
4133   EL_SP_DISK_RED,
4134   EL_SP_DISK_ORANGE,
4135   EL_SP_DISK_YELLOW,
4136   EL_SP_TERMINAL,
4137
4138   EL_SP_EXIT_CLOSED,
4139   EL_SP_PORT_HORIZONTAL,
4140   EL_SP_PORT_VERTICAL,
4141   EL_SP_PORT_ANY,
4142
4143   EL_SP_PORT_LEFT,
4144   EL_SP_PORT_RIGHT,
4145   EL_SP_PORT_UP,
4146   EL_SP_PORT_DOWN,
4147
4148   EL_SP_GRAVITY_PORT_LEFT,
4149   EL_SP_GRAVITY_PORT_RIGHT,
4150   EL_SP_GRAVITY_PORT_UP,
4151   EL_SP_GRAVITY_PORT_DOWN,
4152
4153   EL_SP_GRAVITY_ON_PORT_LEFT,
4154   EL_SP_GRAVITY_ON_PORT_RIGHT,
4155   EL_SP_GRAVITY_ON_PORT_UP,
4156   EL_SP_GRAVITY_ON_PORT_DOWN,
4157
4158   EL_SP_GRAVITY_OFF_PORT_LEFT,
4159   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4160   EL_SP_GRAVITY_OFF_PORT_UP,
4161   EL_SP_GRAVITY_OFF_PORT_DOWN,
4162
4163   EL_SP_HARDWARE_GRAY,
4164   EL_SP_HARDWARE_GREEN,
4165   EL_SP_HARDWARE_BLUE,
4166   EL_SP_HARDWARE_RED,
4167
4168   EL_SP_HARDWARE_BASE_1,
4169   EL_SP_HARDWARE_BASE_2,
4170   EL_SP_HARDWARE_BASE_3,
4171   EL_SP_HARDWARE_BASE_4,
4172
4173   EL_SP_HARDWARE_BASE_5,
4174   EL_SP_HARDWARE_BASE_6,
4175   EL_SP_HARDWARE_YELLOW,
4176   EL_SP_CHIP_TOP,
4177
4178   EL_SP_CHIP_SINGLE,
4179   EL_SP_CHIP_LEFT,
4180   EL_SP_CHIP_RIGHT,
4181   EL_SP_CHIP_BOTTOM,
4182 };
4183 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4184 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4185 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4186 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4187
4188 static int editor_hl_diamond_caves[] =
4189 {
4190   EL_INTERNAL_CASCADE_DC_ACTIVE,
4191   EL_CHAR('D'),
4192   EL_CHAR('C'),
4193   EL_CHAR('2'),
4194 };
4195
4196 static int editor_el_diamond_caves[] =
4197 {
4198   EL_PEARL,
4199   EL_CRYSTAL,
4200   EL_WALL_PEARL,
4201   EL_WALL_CRYSTAL,
4202
4203   EL_CONVEYOR_BELT_1_LEFT,
4204   EL_CONVEYOR_BELT_1_MIDDLE,
4205   EL_CONVEYOR_BELT_1_RIGHT,
4206   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4207
4208   EL_CONVEYOR_BELT_2_LEFT,
4209   EL_CONVEYOR_BELT_2_MIDDLE,
4210   EL_CONVEYOR_BELT_2_RIGHT,
4211   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4212
4213   EL_CONVEYOR_BELT_3_LEFT,
4214   EL_CONVEYOR_BELT_3_MIDDLE,
4215   EL_CONVEYOR_BELT_3_RIGHT,
4216   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4217
4218   EL_CONVEYOR_BELT_4_LEFT,
4219   EL_CONVEYOR_BELT_4_MIDDLE,
4220   EL_CONVEYOR_BELT_4_RIGHT,
4221   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4222
4223   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4224   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4225   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4226   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4227
4228   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4229   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4230   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4231   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4232
4233   EL_TIMEGATE_CLOSED,
4234   EL_TIMEGATE_OPEN,
4235   EL_TIMEGATE_SWITCH,
4236   EL_DC_TIMEGATE_SWITCH,
4237
4238   EL_SWITCHGATE_CLOSED,
4239   EL_SWITCHGATE_OPEN,
4240   EL_SWITCHGATE_SWITCH_UP,
4241   EL_SWITCHGATE_SWITCH_DOWN,
4242
4243   EL_LIGHT_SWITCH,
4244   EL_LIGHT_SWITCH_ACTIVE,
4245   EL_DC_SWITCHGATE_SWITCH_UP,
4246   EL_DC_SWITCHGATE_SWITCH_DOWN,
4247
4248   EL_STEEL_EXIT_CLOSED,
4249   EL_STEEL_EXIT_OPEN,
4250   EL_STEELWALL_SLIPPERY,
4251   EL_INVISIBLE_SAND,
4252
4253   EL_QUICKSAND_FAST_EMPTY,
4254   EL_QUICKSAND_FAST_FULL,
4255   EL_LANDMINE,
4256   EL_DC_LANDMINE,
4257
4258   EL_SHIELD_NORMAL,
4259   EL_SHIELD_DEADLY,
4260   EL_EXTRA_TIME,
4261   EL_DC_MAGIC_WALL,
4262
4263   EL_ENVELOPE_1,
4264   EL_ENVELOPE_2,
4265   EL_ENVELOPE_3,
4266   EL_ENVELOPE_4,
4267
4268   EL_SIGN_RADIOACTIVITY,
4269   EL_SIGN_WHEELCHAIR,
4270   EL_SIGN_PARKING,
4271   EL_SIGN_NO_ENTRY,
4272
4273   EL_SIGN_GIVE_WAY,
4274   EL_SIGN_ENTRY_FORBIDDEN,
4275   EL_SIGN_EMERGENCY_EXIT,
4276   EL_SIGN_YIN_YANG,
4277
4278 #if 0
4279   EL_SIGN_SPERMS,
4280   EL_SIGN_BULLET,
4281   EL_SIGN_HEART,
4282   EL_SIGN_CROSS,
4283
4284   EL_SIGN_FRANKIE,
4285   EL_EMPTY,
4286   EL_EMPTY,
4287   EL_EMPTY,
4288
4289   EL_SPERMS,
4290   EL_BULLET,
4291   EL_HEART,
4292   EL_CROSS,
4293
4294   EL_FRANKIE,
4295   EL_EMPTY,
4296   EL_EMPTY,
4297   EL_EMPTY,
4298 #endif
4299
4300   EL_DC_STEELWALL_2_SINGLE,
4301   EL_DC_STEELWALL_2_TOP,
4302   EL_SIGN_EXCLAMATION,
4303   EL_SIGN_STOP,
4304
4305   EL_DC_STEELWALL_2_LEFT,
4306   EL_DC_STEELWALL_2_MIDDLE,
4307   EL_DC_STEELWALL_2_HORIZONTAL,
4308   EL_DC_STEELWALL_2_RIGHT,
4309
4310   EL_DC_STEELWALL_1_TOPLEFT,
4311   EL_DC_STEELWALL_2_VERTICAL,
4312   EL_DC_STEELWALL_1_TOPRIGHT,
4313   EL_DC_GATE_WHITE,
4314
4315   EL_DC_STEELWALL_1_VERTICAL,
4316   EL_DC_STEELWALL_2_BOTTOM,
4317   EL_DC_KEY_WHITE,
4318   EL_DC_GATE_WHITE_GRAY,
4319
4320   EL_DC_STEELWALL_1_BOTTOMLEFT,
4321   EL_DC_STEELWALL_1_HORIZONTAL,
4322   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4323   EL_DC_GATE_FAKE_GRAY,
4324
4325   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4326   EL_DC_STEELWALL_1_BOTTOM,
4327   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4328   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4329
4330   EL_DC_STEELWALL_1_RIGHT,
4331   EL_EMPTY,
4332   EL_DC_STEELWALL_1_LEFT,
4333   EL_EXPANDABLE_STEELWALL_VERTICAL,
4334
4335   EL_DC_STEELWALL_1_TOPRIGHT_2,
4336   EL_DC_STEELWALL_1_TOP,
4337   EL_DC_STEELWALL_1_TOPLEFT_2,
4338   EL_EXPANDABLE_STEELWALL_ANY,
4339 };
4340 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4341 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4342 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4343 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4344
4345 static int editor_hl_dx_boulderdash[] =
4346 {
4347   EL_INTERNAL_CASCADE_DX_ACTIVE,
4348   EL_CHAR('D'),
4349   EL_CHAR('X'),
4350   EL_EMPTY,
4351 };
4352
4353 static int editor_el_dx_boulderdash[] =
4354 {
4355   EL_EMPTY,
4356   EL_TUBE_RIGHT_DOWN,
4357   EL_TUBE_HORIZONTAL_DOWN,
4358   EL_TUBE_LEFT_DOWN,
4359
4360   EL_TUBE_HORIZONTAL,
4361   EL_TUBE_VERTICAL_RIGHT,
4362   EL_TUBE_ANY,
4363   EL_TUBE_VERTICAL_LEFT,
4364
4365   EL_TUBE_VERTICAL,
4366   EL_TUBE_RIGHT_UP,
4367   EL_TUBE_HORIZONTAL_UP,
4368   EL_TUBE_LEFT_UP,
4369
4370   EL_TRAP,
4371   EL_DX_SUPABOMB,
4372   EL_EMPTY,
4373   EL_EMPTY
4374 };
4375 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4376 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4377 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4378 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4379
4380 static int editor_hl_mirror_magic[] =
4381 {
4382   EL_INTERNAL_CASCADE_MM_ACTIVE,
4383   EL_CHAR('M'),
4384   EL_CHAR('M'),
4385   EL_EMPTY,
4386 };
4387
4388 static int editor_el_mirror_magic[] =
4389 {
4390   EL_MM_MCDUFFIN_RIGHT,
4391   EL_MM_MCDUFFIN_UP,
4392   EL_MM_MCDUFFIN_LEFT,
4393   EL_MM_MCDUFFIN_DOWN,
4394
4395   EL_MM_MIRROR_START,
4396   EL_MM_MIRROR_FIXED_START,
4397   EL_MM_POLARISATOR_START,
4398   EL_MM_POLARISATOR_CROSS_START,
4399
4400   EL_MM_BEAMER_RED_START,
4401   EL_MM_BEAMER_YELLOW_START,
4402   EL_MM_BEAMER_GREEN_START,
4403   EL_MM_BEAMER_BLUE_START,
4404
4405   EL_MM_PRISM,
4406   EL_MM_FUSE_ACTIVE,
4407   EL_MM_PACMAN_RIGHT,
4408   EL_MM_EXIT_CLOSED,
4409
4410   EL_MM_KETTLE,
4411   EL_MM_BOMB,
4412   EL_MM_KEY,
4413   EL_MM_FUEL_FULL,
4414
4415   EL_MM_LIGHTBULB,
4416   EL_MM_LIGHTBULB_ACTIVE,
4417   EL_MM_GRAY_BALL,
4418   EL_MM_LIGHTBALL,
4419
4420   EL_MM_STEEL_WALL,
4421   EL_MM_WOODEN_WALL,
4422   EL_MM_ICE_WALL,
4423   EL_MM_AMOEBA_WALL,
4424
4425   EL_MM_STEEL_LOCK,
4426   EL_MM_WOODEN_LOCK,
4427   EL_MM_STEEL_BLOCK,
4428   EL_MM_WOODEN_BLOCK,
4429
4430   EL_MM_STEEL_GRID_FIXED_1,
4431   EL_MM_STEEL_GRID_FIXED_2,
4432   EL_MM_STEEL_GRID_FIXED_3,
4433   EL_MM_STEEL_GRID_FIXED_4,
4434
4435   EL_MM_WOODEN_GRID_FIXED_1,
4436   EL_MM_WOODEN_GRID_FIXED_2,
4437   EL_MM_WOODEN_GRID_FIXED_3,
4438   EL_MM_WOODEN_GRID_FIXED_4
4439 };
4440 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4441 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4442 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4443 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4444
4445 static int editor_hl_deflektor[] =
4446 {
4447   EL_INTERNAL_CASCADE_DF_ACTIVE,
4448   EL_CHAR('D'),
4449   EL_CHAR('F'),
4450   EL_EMPTY,
4451 };
4452
4453 static int editor_el_deflektor[] =
4454 {
4455   EL_DF_LASER_RIGHT,
4456   EL_DF_LASER_UP,
4457   EL_DF_LASER_LEFT,
4458   EL_DF_LASER_DOWN,
4459
4460   EL_DF_RECEIVER_RIGHT,
4461   EL_DF_RECEIVER_UP,
4462   EL_DF_RECEIVER_LEFT,
4463   EL_DF_RECEIVER_DOWN,
4464
4465   EL_DF_MIRROR_START,
4466   EL_DF_MIRROR_ROTATING_START,
4467   EL_DF_CELL,
4468   EL_DF_MINE,
4469
4470   EL_DF_FIBRE_OPTIC_RED_1,
4471   EL_DF_FIBRE_OPTIC_YELLOW_1,
4472   EL_DF_FIBRE_OPTIC_GREEN_1,
4473   EL_DF_FIBRE_OPTIC_BLUE_1,
4474
4475   EL_DF_STEEL_GRID_FIXED_START,
4476   EL_DF_STEEL_GRID_ROTATING_START,
4477   EL_DF_WOODEN_GRID_FIXED_START,
4478   EL_DF_WOODEN_GRID_ROTATING_START,
4479
4480   EL_DF_STEEL_WALL,
4481   EL_DF_WOODEN_WALL,
4482   EL_DF_REFRACTOR,
4483   EL_EMPTY
4484 };
4485 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4486 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4487 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4488 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4489
4490 static int editor_hl_chars[] =
4491 {
4492   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4493   EL_CHAR('T'),
4494   EL_CHAR('X'),
4495   EL_CHAR('T'),
4496 };
4497
4498 static int editor_el_chars[] =
4499 {
4500   EL_CHAR(' '),
4501   EL_CHAR('!'),
4502   EL_CHAR('"'),
4503   EL_CHAR('#'),
4504
4505   EL_CHAR('$'),
4506   EL_CHAR('%'),
4507   EL_CHAR('&'),
4508   EL_CHAR('\''),
4509
4510   EL_CHAR('('),
4511   EL_CHAR(')'),
4512   EL_CHAR('*'),
4513   EL_CHAR('+'),
4514
4515   EL_CHAR(','),
4516   EL_CHAR('-'),
4517   EL_CHAR('.'),
4518   EL_CHAR('/'),
4519
4520   EL_CHAR('0'),
4521   EL_CHAR('1'),
4522   EL_CHAR('2'),
4523   EL_CHAR('3'),
4524
4525   EL_CHAR('4'),
4526   EL_CHAR('5'),
4527   EL_CHAR('6'),
4528   EL_CHAR('7'),
4529
4530   EL_CHAR('8'),
4531   EL_CHAR('9'),
4532   EL_CHAR(':'),
4533   EL_CHAR(';'),
4534
4535   EL_CHAR('<'),
4536   EL_CHAR('='),
4537   EL_CHAR('>'),
4538   EL_CHAR('?'),
4539
4540   EL_CHAR('@'),
4541   EL_CHAR('A'),
4542   EL_CHAR('B'),
4543   EL_CHAR('C'),
4544
4545   EL_CHAR('D'),
4546   EL_CHAR('E'),
4547   EL_CHAR('F'),
4548   EL_CHAR('G'),
4549
4550   EL_CHAR('H'),
4551   EL_CHAR('I'),
4552   EL_CHAR('J'),
4553   EL_CHAR('K'),
4554
4555   EL_CHAR('L'),
4556   EL_CHAR('M'),
4557   EL_CHAR('N'),
4558   EL_CHAR('O'),
4559
4560   EL_CHAR('P'),
4561   EL_CHAR('Q'),
4562   EL_CHAR('R'),
4563   EL_CHAR('S'),
4564
4565   EL_CHAR('T'),
4566   EL_CHAR('U'),
4567   EL_CHAR('V'),
4568   EL_CHAR('W'),
4569
4570   EL_CHAR('X'),
4571   EL_CHAR('Y'),
4572   EL_CHAR('Z'),
4573   EL_CHAR('['),
4574
4575   EL_CHAR('\\'),
4576   EL_CHAR(']'),
4577   EL_CHAR('^'),
4578   EL_CHAR('_'),
4579
4580   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4581   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4582   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4583   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4584
4585   EL_CHAR(CHAR_BYTE_DEGREE),
4586   EL_CHAR(CHAR_BYTE_REGISTERED),
4587   EL_CHAR(FONT_ASCII_CURSOR),
4588   EL_CHAR(FONT_ASCII_BUTTON),
4589
4590   EL_CHAR(FONT_ASCII_UP),
4591   EL_CHAR(FONT_ASCII_DOWN),
4592   EL_CHAR(' '),
4593   EL_CHAR(' ')
4594 };
4595 static int *editor_hl_chars_ptr = editor_hl_chars;
4596 static int *editor_el_chars_ptr = editor_el_chars;
4597 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4598 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4599
4600 static int editor_hl_steel_chars[] =
4601 {
4602   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4603   EL_STEEL_CHAR('T'),
4604   EL_STEEL_CHAR('X'),
4605   EL_STEEL_CHAR('T'),
4606 };
4607
4608 static int editor_el_steel_chars[] =
4609 {
4610   EL_STEEL_CHAR(' '),
4611   EL_STEEL_CHAR('!'),
4612   EL_STEEL_CHAR('"'),
4613   EL_STEEL_CHAR('#'),
4614
4615   EL_STEEL_CHAR('$'),
4616   EL_STEEL_CHAR('%'),
4617   EL_STEEL_CHAR('&'),
4618   EL_STEEL_CHAR('\''),
4619
4620   EL_STEEL_CHAR('('),
4621   EL_STEEL_CHAR(')'),
4622   EL_STEEL_CHAR('*'),
4623   EL_STEEL_CHAR('+'),
4624
4625   EL_STEEL_CHAR(','),
4626   EL_STEEL_CHAR('-'),
4627   EL_STEEL_CHAR('.'),
4628   EL_STEEL_CHAR('/'),
4629
4630   EL_STEEL_CHAR('0'),
4631   EL_STEEL_CHAR('1'),
4632   EL_STEEL_CHAR('2'),
4633   EL_STEEL_CHAR('3'),
4634
4635   EL_STEEL_CHAR('4'),
4636   EL_STEEL_CHAR('5'),
4637   EL_STEEL_CHAR('6'),
4638   EL_STEEL_CHAR('7'),
4639
4640   EL_STEEL_CHAR('8'),
4641   EL_STEEL_CHAR('9'),
4642   EL_STEEL_CHAR(':'),
4643   EL_STEEL_CHAR(';'),
4644
4645   EL_STEEL_CHAR('<'),
4646   EL_STEEL_CHAR('='),
4647   EL_STEEL_CHAR('>'),
4648   EL_STEEL_CHAR('?'),
4649
4650   EL_STEEL_CHAR('@'),
4651   EL_STEEL_CHAR('A'),
4652   EL_STEEL_CHAR('B'),
4653   EL_STEEL_CHAR('C'),
4654
4655   EL_STEEL_CHAR('D'),
4656   EL_STEEL_CHAR('E'),
4657   EL_STEEL_CHAR('F'),
4658   EL_STEEL_CHAR('G'),
4659
4660   EL_STEEL_CHAR('H'),
4661   EL_STEEL_CHAR('I'),
4662   EL_STEEL_CHAR('J'),
4663   EL_STEEL_CHAR('K'),
4664
4665   EL_STEEL_CHAR('L'),
4666   EL_STEEL_CHAR('M'),
4667   EL_STEEL_CHAR('N'),
4668   EL_STEEL_CHAR('O'),
4669
4670   EL_STEEL_CHAR('P'),
4671   EL_STEEL_CHAR('Q'),
4672   EL_STEEL_CHAR('R'),
4673   EL_STEEL_CHAR('S'),
4674
4675   EL_STEEL_CHAR('T'),
4676   EL_STEEL_CHAR('U'),
4677   EL_STEEL_CHAR('V'),
4678   EL_STEEL_CHAR('W'),
4679
4680   EL_STEEL_CHAR('X'),
4681   EL_STEEL_CHAR('Y'),
4682   EL_STEEL_CHAR('Z'),
4683   EL_STEEL_CHAR('['),
4684
4685   EL_STEEL_CHAR('\\'),
4686   EL_STEEL_CHAR(']'),
4687   EL_STEEL_CHAR('^'),
4688   EL_STEEL_CHAR('_'),
4689
4690   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4691   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4692   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4693   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4694
4695   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4696   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4697   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4698   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4699
4700   EL_STEEL_CHAR(FONT_ASCII_UP),
4701   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4702   EL_STEEL_CHAR(' '),
4703   EL_STEEL_CHAR(' ')
4704 };
4705 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4706 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4707 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4708 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4709
4710 static int editor_hl_custom[] =
4711 {
4712   EL_INTERNAL_CASCADE_CE_ACTIVE,
4713   EL_CHAR('C'),
4714   EL_CHAR('E'),
4715   EL_EMPTY,
4716 };
4717
4718 static int editor_el_custom[] =
4719 {
4720   EL_CUSTOM_START + 0,
4721   EL_CUSTOM_START + 1,
4722   EL_CUSTOM_START + 2,
4723   EL_CUSTOM_START + 3,
4724
4725   EL_CUSTOM_START + 4,
4726   EL_CUSTOM_START + 5,
4727   EL_CUSTOM_START + 6,
4728   EL_CUSTOM_START + 7,
4729
4730   EL_CUSTOM_START + 8,
4731   EL_CUSTOM_START + 9,
4732   EL_CUSTOM_START + 10,
4733   EL_CUSTOM_START + 11,
4734
4735   EL_CUSTOM_START + 12,
4736   EL_CUSTOM_START + 13,
4737   EL_CUSTOM_START + 14,
4738   EL_CUSTOM_START + 15,
4739
4740   EL_CUSTOM_START + 16,
4741   EL_CUSTOM_START + 17,
4742   EL_CUSTOM_START + 18,
4743   EL_CUSTOM_START + 19,
4744
4745   EL_CUSTOM_START + 20,
4746   EL_CUSTOM_START + 21,
4747   EL_CUSTOM_START + 22,
4748   EL_CUSTOM_START + 23,
4749
4750   EL_CUSTOM_START + 24,
4751   EL_CUSTOM_START + 25,
4752   EL_CUSTOM_START + 26,
4753   EL_CUSTOM_START + 27,
4754
4755   EL_CUSTOM_START + 28,
4756   EL_CUSTOM_START + 29,
4757   EL_CUSTOM_START + 30,
4758   EL_CUSTOM_START + 31,
4759
4760   EL_CUSTOM_START + 32,
4761   EL_CUSTOM_START + 33,
4762   EL_CUSTOM_START + 34,
4763   EL_CUSTOM_START + 35,
4764
4765   EL_CUSTOM_START + 36,
4766   EL_CUSTOM_START + 37,
4767   EL_CUSTOM_START + 38,
4768   EL_CUSTOM_START + 39,
4769
4770   EL_CUSTOM_START + 40,
4771   EL_CUSTOM_START + 41,
4772   EL_CUSTOM_START + 42,
4773   EL_CUSTOM_START + 43,
4774
4775   EL_CUSTOM_START + 44,
4776   EL_CUSTOM_START + 45,
4777   EL_CUSTOM_START + 46,
4778   EL_CUSTOM_START + 47,
4779
4780   EL_CUSTOM_START + 48,
4781   EL_CUSTOM_START + 49,
4782   EL_CUSTOM_START + 50,
4783   EL_CUSTOM_START + 51,
4784
4785   EL_CUSTOM_START + 52,
4786   EL_CUSTOM_START + 53,
4787   EL_CUSTOM_START + 54,
4788   EL_CUSTOM_START + 55,
4789
4790   EL_CUSTOM_START + 56,
4791   EL_CUSTOM_START + 57,
4792   EL_CUSTOM_START + 58,
4793   EL_CUSTOM_START + 59,
4794
4795   EL_CUSTOM_START + 60,
4796   EL_CUSTOM_START + 61,
4797   EL_CUSTOM_START + 62,
4798   EL_CUSTOM_START + 63,
4799
4800   EL_CUSTOM_START + 64,
4801   EL_CUSTOM_START + 65,
4802   EL_CUSTOM_START + 66,
4803   EL_CUSTOM_START + 67,
4804
4805   EL_CUSTOM_START + 68,
4806   EL_CUSTOM_START + 69,
4807   EL_CUSTOM_START + 70,
4808   EL_CUSTOM_START + 71,
4809
4810   EL_CUSTOM_START + 72,
4811   EL_CUSTOM_START + 73,
4812   EL_CUSTOM_START + 74,
4813   EL_CUSTOM_START + 75,
4814
4815   EL_CUSTOM_START + 76,
4816   EL_CUSTOM_START + 77,
4817   EL_CUSTOM_START + 78,
4818   EL_CUSTOM_START + 79,
4819
4820   EL_CUSTOM_START + 80,
4821   EL_CUSTOM_START + 81,
4822   EL_CUSTOM_START + 82,
4823   EL_CUSTOM_START + 83,
4824
4825   EL_CUSTOM_START + 84,
4826   EL_CUSTOM_START + 85,
4827   EL_CUSTOM_START + 86,
4828   EL_CUSTOM_START + 87,
4829
4830   EL_CUSTOM_START + 88,
4831   EL_CUSTOM_START + 89,
4832   EL_CUSTOM_START + 90,
4833   EL_CUSTOM_START + 91,
4834
4835   EL_CUSTOM_START + 92,
4836   EL_CUSTOM_START + 93,
4837   EL_CUSTOM_START + 94,
4838   EL_CUSTOM_START + 95,
4839
4840   EL_CUSTOM_START + 96,
4841   EL_CUSTOM_START + 97,
4842   EL_CUSTOM_START + 98,
4843   EL_CUSTOM_START + 99,
4844
4845   EL_CUSTOM_START + 100,
4846   EL_CUSTOM_START + 101,
4847   EL_CUSTOM_START + 102,
4848   EL_CUSTOM_START + 103,
4849
4850   EL_CUSTOM_START + 104,
4851   EL_CUSTOM_START + 105,
4852   EL_CUSTOM_START + 106,
4853   EL_CUSTOM_START + 107,
4854
4855   EL_CUSTOM_START + 108,
4856   EL_CUSTOM_START + 109,
4857   EL_CUSTOM_START + 110,
4858   EL_CUSTOM_START + 111,
4859
4860   EL_CUSTOM_START + 112,
4861   EL_CUSTOM_START + 113,
4862   EL_CUSTOM_START + 114,
4863   EL_CUSTOM_START + 115,
4864
4865   EL_CUSTOM_START + 116,
4866   EL_CUSTOM_START + 117,
4867   EL_CUSTOM_START + 118,
4868   EL_CUSTOM_START + 119,
4869
4870   EL_CUSTOM_START + 120,
4871   EL_CUSTOM_START + 121,
4872   EL_CUSTOM_START + 122,
4873   EL_CUSTOM_START + 123,
4874
4875   EL_CUSTOM_START + 124,
4876   EL_CUSTOM_START + 125,
4877   EL_CUSTOM_START + 126,
4878   EL_CUSTOM_START + 127,
4879
4880   EL_CUSTOM_START + 128,
4881   EL_CUSTOM_START + 129,
4882   EL_CUSTOM_START + 130,
4883   EL_CUSTOM_START + 131,
4884
4885   EL_CUSTOM_START + 132,
4886   EL_CUSTOM_START + 133,
4887   EL_CUSTOM_START + 134,
4888   EL_CUSTOM_START + 135,
4889
4890   EL_CUSTOM_START + 136,
4891   EL_CUSTOM_START + 137,
4892   EL_CUSTOM_START + 138,
4893   EL_CUSTOM_START + 139,
4894
4895   EL_CUSTOM_START + 140,
4896   EL_CUSTOM_START + 141,
4897   EL_CUSTOM_START + 142,
4898   EL_CUSTOM_START + 143,
4899
4900   EL_CUSTOM_START + 144,
4901   EL_CUSTOM_START + 145,
4902   EL_CUSTOM_START + 146,
4903   EL_CUSTOM_START + 147,
4904
4905   EL_CUSTOM_START + 148,
4906   EL_CUSTOM_START + 149,
4907   EL_CUSTOM_START + 150,
4908   EL_CUSTOM_START + 151,
4909
4910   EL_CUSTOM_START + 152,
4911   EL_CUSTOM_START + 153,
4912   EL_CUSTOM_START + 154,
4913   EL_CUSTOM_START + 155,
4914
4915   EL_CUSTOM_START + 156,
4916   EL_CUSTOM_START + 157,
4917   EL_CUSTOM_START + 158,
4918   EL_CUSTOM_START + 159,
4919
4920   EL_CUSTOM_START + 160,
4921   EL_CUSTOM_START + 161,
4922   EL_CUSTOM_START + 162,
4923   EL_CUSTOM_START + 163,
4924
4925   EL_CUSTOM_START + 164,
4926   EL_CUSTOM_START + 165,
4927   EL_CUSTOM_START + 166,
4928   EL_CUSTOM_START + 167,
4929
4930   EL_CUSTOM_START + 168,
4931   EL_CUSTOM_START + 169,
4932   EL_CUSTOM_START + 170,
4933   EL_CUSTOM_START + 171,
4934
4935   EL_CUSTOM_START + 172,
4936   EL_CUSTOM_START + 173,
4937   EL_CUSTOM_START + 174,
4938   EL_CUSTOM_START + 175,
4939
4940   EL_CUSTOM_START + 176,
4941   EL_CUSTOM_START + 177,
4942   EL_CUSTOM_START + 178,
4943   EL_CUSTOM_START + 179,
4944
4945   EL_CUSTOM_START + 180,
4946   EL_CUSTOM_START + 181,
4947   EL_CUSTOM_START + 182,
4948   EL_CUSTOM_START + 183,
4949
4950   EL_CUSTOM_START + 184,
4951   EL_CUSTOM_START + 185,
4952   EL_CUSTOM_START + 186,
4953   EL_CUSTOM_START + 187,
4954
4955   EL_CUSTOM_START + 188,
4956   EL_CUSTOM_START + 189,
4957   EL_CUSTOM_START + 190,
4958   EL_CUSTOM_START + 191,
4959
4960   EL_CUSTOM_START + 192,
4961   EL_CUSTOM_START + 193,
4962   EL_CUSTOM_START + 194,
4963   EL_CUSTOM_START + 195,
4964
4965   EL_CUSTOM_START + 196,
4966   EL_CUSTOM_START + 197,
4967   EL_CUSTOM_START + 198,
4968   EL_CUSTOM_START + 199,
4969
4970   EL_CUSTOM_START + 200,
4971   EL_CUSTOM_START + 201,
4972   EL_CUSTOM_START + 202,
4973   EL_CUSTOM_START + 203,
4974
4975   EL_CUSTOM_START + 204,
4976   EL_CUSTOM_START + 205,
4977   EL_CUSTOM_START + 206,
4978   EL_CUSTOM_START + 207,
4979
4980   EL_CUSTOM_START + 208,
4981   EL_CUSTOM_START + 209,
4982   EL_CUSTOM_START + 210,
4983   EL_CUSTOM_START + 211,
4984
4985   EL_CUSTOM_START + 212,
4986   EL_CUSTOM_START + 213,
4987   EL_CUSTOM_START + 214,
4988   EL_CUSTOM_START + 215,
4989
4990   EL_CUSTOM_START + 216,
4991   EL_CUSTOM_START + 217,
4992   EL_CUSTOM_START + 218,
4993   EL_CUSTOM_START + 219,
4994
4995   EL_CUSTOM_START + 220,
4996   EL_CUSTOM_START + 221,
4997   EL_CUSTOM_START + 222,
4998   EL_CUSTOM_START + 223,
4999
5000   EL_CUSTOM_START + 224,
5001   EL_CUSTOM_START + 225,
5002   EL_CUSTOM_START + 226,
5003   EL_CUSTOM_START + 227,
5004
5005   EL_CUSTOM_START + 228,
5006   EL_CUSTOM_START + 229,
5007   EL_CUSTOM_START + 230,
5008   EL_CUSTOM_START + 231,
5009
5010   EL_CUSTOM_START + 232,
5011   EL_CUSTOM_START + 233,
5012   EL_CUSTOM_START + 234,
5013   EL_CUSTOM_START + 235,
5014
5015   EL_CUSTOM_START + 236,
5016   EL_CUSTOM_START + 237,
5017   EL_CUSTOM_START + 238,
5018   EL_CUSTOM_START + 239,
5019
5020   EL_CUSTOM_START + 240,
5021   EL_CUSTOM_START + 241,
5022   EL_CUSTOM_START + 242,
5023   EL_CUSTOM_START + 243,
5024
5025   EL_CUSTOM_START + 244,
5026   EL_CUSTOM_START + 245,
5027   EL_CUSTOM_START + 246,
5028   EL_CUSTOM_START + 247,
5029
5030   EL_CUSTOM_START + 248,
5031   EL_CUSTOM_START + 249,
5032   EL_CUSTOM_START + 250,
5033   EL_CUSTOM_START + 251,
5034
5035   EL_CUSTOM_START + 252,
5036   EL_CUSTOM_START + 253,
5037   EL_CUSTOM_START + 254,
5038   EL_CUSTOM_START + 255
5039 };
5040 static int *editor_hl_custom_ptr = editor_hl_custom;
5041 static int *editor_el_custom_ptr = editor_el_custom;
5042 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5043 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5044
5045 static int editor_hl_group[] =
5046 {
5047   EL_INTERNAL_CASCADE_GE_ACTIVE,
5048   EL_CHAR('G'),
5049   EL_CHAR('E'),
5050   EL_EMPTY,
5051 };
5052
5053 static int editor_el_group[] =
5054 {
5055   EL_GROUP_START + 0,
5056   EL_GROUP_START + 1,
5057   EL_GROUP_START + 2,
5058   EL_GROUP_START + 3,
5059
5060   EL_GROUP_START + 4,
5061   EL_GROUP_START + 5,
5062   EL_GROUP_START + 6,
5063   EL_GROUP_START + 7,
5064
5065   EL_GROUP_START + 8,
5066   EL_GROUP_START + 9,
5067   EL_GROUP_START + 10,
5068   EL_GROUP_START + 11,
5069
5070   EL_GROUP_START + 12,
5071   EL_GROUP_START + 13,
5072   EL_GROUP_START + 14,
5073   EL_GROUP_START + 15,
5074
5075   EL_GROUP_START + 16,
5076   EL_GROUP_START + 17,
5077   EL_GROUP_START + 18,
5078   EL_GROUP_START + 19,
5079
5080   EL_GROUP_START + 20,
5081   EL_GROUP_START + 21,
5082   EL_GROUP_START + 22,
5083   EL_GROUP_START + 23,
5084
5085   EL_GROUP_START + 24,
5086   EL_GROUP_START + 25,
5087   EL_GROUP_START + 26,
5088   EL_GROUP_START + 27,
5089
5090   EL_GROUP_START + 28,
5091   EL_GROUP_START + 29,
5092   EL_GROUP_START + 30,
5093   EL_GROUP_START + 31
5094 };
5095 static int *editor_hl_group_ptr = editor_hl_group;
5096 static int *editor_el_group_ptr = editor_el_group;
5097 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5098 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5099
5100 static int editor_hl_reference[] =
5101 {
5102   EL_INTERNAL_CASCADE_REF_ACTIVE,
5103   EL_CHAR('R'),
5104   EL_CHAR('E'),
5105   EL_CHAR('F')
5106 };
5107
5108 static int editor_el_reference[] =
5109 {
5110   EL_TRIGGER_PLAYER,
5111   EL_TRIGGER_ELEMENT,
5112   EL_TRIGGER_CE_VALUE,
5113   EL_TRIGGER_CE_SCORE,
5114
5115   EL_SELF,
5116   EL_ANY_ELEMENT,
5117   EL_CURRENT_CE_VALUE,
5118   EL_CURRENT_CE_SCORE,
5119
5120   EL_PREV_CE_8,
5121   EL_PREV_CE_7,
5122   EL_PREV_CE_6,
5123   EL_PREV_CE_5,
5124
5125   EL_PREV_CE_4,
5126   EL_PREV_CE_3,
5127   EL_PREV_CE_2,
5128   EL_PREV_CE_1,
5129
5130   EL_NEXT_CE_1,
5131   EL_NEXT_CE_2,
5132   EL_NEXT_CE_3,
5133   EL_NEXT_CE_4,
5134
5135   EL_NEXT_CE_5,
5136   EL_NEXT_CE_6,
5137   EL_NEXT_CE_7,
5138   EL_NEXT_CE_8,
5139 };
5140 static int *editor_hl_reference_ptr = editor_hl_reference;
5141 static int *editor_el_reference_ptr = editor_el_reference;
5142 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5143 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5144
5145 static int editor_hl_user_defined[] =
5146 {
5147   EL_INTERNAL_CASCADE_USER_ACTIVE,
5148   EL_CHAR('M'),
5149   EL_CHAR('Y'),
5150   EL_EMPTY,
5151 };
5152
5153 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5154 static int *editor_el_user_defined_ptr = NULL;
5155 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5156 static int num_editor_el_user_defined = 0;
5157
5158 static int editor_hl_dynamic[] =
5159 {
5160   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5161   EL_CHAR('U'),
5162   EL_CHAR('S'),
5163   EL_CHAR('E'),
5164 };
5165
5166 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5167 static int *editor_el_dynamic_ptr = NULL;
5168 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5169 static int num_editor_el_dynamic = 0;
5170
5171 static int editor_hl_empty[] = { EL_EMPTY };
5172 static int *editor_el_empty = NULL;     /* dynamically allocated */
5173
5174 static int *editor_hl_empty_ptr = editor_hl_empty;
5175 static int *editor_el_empty_ptr = NULL;
5176 static int num_editor_hl_empty = 0;
5177 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5178
5179 static boolean use_el_empty = FALSE;
5180
5181 static int *editor_elements = NULL;     /* dynamically allocated */
5182 static int num_editor_elements = 0;     /* dynamically determined */
5183
5184 static boolean setup_editor_cascade_never = FALSE;
5185
5186 static boolean setup_editor_el_players                  = TRUE;
5187 static boolean setup_editor_el_boulderdash              = TRUE;
5188 static boolean setup_editor_el_emerald_mine             = TRUE;
5189 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5190 static boolean setup_editor_el_more                     = TRUE;
5191 static boolean setup_editor_el_sokoban                  = TRUE;
5192 static boolean setup_editor_el_supaplex                 = TRUE;
5193 static boolean setup_editor_el_diamond_caves            = TRUE;
5194 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5195 static boolean setup_editor_el_mirror_magic             = TRUE;
5196 static boolean setup_editor_el_deflektor                = TRUE;
5197 static boolean setup_editor_el_chars                    = TRUE;
5198 static boolean setup_editor_el_steel_chars              = TRUE;
5199 static boolean setup_editor_el_custom                   = TRUE;
5200 static boolean setup_editor_el_user_defined             = TRUE;
5201 static boolean setup_editor_el_dynamic                  = TRUE;
5202
5203 static int editor_hl_unused[] = { EL_EMPTY };
5204 static int *editor_hl_unused_ptr = editor_hl_unused;
5205 static int num_editor_hl_unused = 0;
5206
5207 static struct
5208 {
5209   boolean *setup_value;
5210   boolean *setup_cascade_value;
5211
5212   int **headline_list;
5213   int *headline_list_size;
5214
5215   int **element_list;
5216   int *element_list_size;
5217
5218   boolean last_setup_value;
5219 }
5220 editor_elements_info[] =
5221 {
5222   {
5223     &setup_editor_el_players,
5224     &setup_editor_cascade_never,
5225     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5226     &editor_el_players_ptr,             &num_editor_el_players
5227   },
5228   {
5229     &setup_editor_el_boulderdash,
5230     &setup.editor_cascade.el_bd,
5231     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5232     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5233   },
5234   {
5235     &setup_editor_el_emerald_mine,
5236     &setup.editor_cascade.el_em,
5237     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5238     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5239   },
5240   {
5241     &setup_editor_el_emerald_mine_club,
5242     &setup.editor_cascade.el_emc,
5243     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5244     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5245   },
5246   {
5247     &setup_editor_el_more,
5248     &setup.editor_cascade.el_rnd,
5249     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5250     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5251   },
5252   {
5253     &setup_editor_el_sokoban,
5254     &setup.editor_cascade.el_sb,
5255     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5256     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5257   },
5258   {
5259     &setup_editor_el_supaplex,
5260     &setup.editor_cascade.el_sp,
5261     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5262     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5263   },
5264   {
5265     &setup_editor_el_diamond_caves,
5266     &setup.editor_cascade.el_dc,
5267     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5268     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5269   },
5270   {
5271     &setup_editor_el_dx_boulderdash,
5272     &setup.editor_cascade.el_dx,
5273     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5274     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5275   },
5276   {
5277     &setup_editor_el_mirror_magic,
5278     &setup.editor_cascade.el_mm,
5279     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5280     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5281   },
5282   {
5283     &setup_editor_el_deflektor,
5284     &setup.editor_cascade.el_df,
5285     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5286     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5287   },
5288   {
5289     &setup_editor_el_chars,
5290     &setup.editor_cascade.el_chars,
5291     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5292     &editor_el_chars_ptr,               &num_editor_el_chars
5293   },
5294   {
5295     &setup_editor_el_steel_chars,
5296     &setup.editor_cascade.el_steel_chars,
5297     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5298     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5299   },
5300   {
5301     &setup_editor_el_custom,
5302     &setup.editor_cascade.el_ce,
5303     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5304     &editor_el_custom_ptr,              &num_editor_el_custom
5305   },
5306   {
5307     &setup_editor_el_custom,
5308     &setup.editor_cascade.el_ge,
5309     &editor_hl_group_ptr,               &num_editor_hl_group,
5310     &editor_el_group_ptr,               &num_editor_el_group
5311   },
5312   {
5313     &setup_editor_el_custom,
5314     &setup.editor_cascade.el_ref,
5315     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5316     &editor_el_reference_ptr,           &num_editor_el_reference
5317   },
5318   {
5319     &setup_editor_el_user_defined,
5320     &setup.editor_cascade.el_user,
5321     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5322     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5323   },
5324   {
5325     &setup_editor_el_dynamic,
5326     &setup.editor_cascade.el_dynamic,
5327     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5328     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5329   },
5330   {
5331     &use_el_empty,
5332     &use_el_empty,
5333     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5334     &editor_el_empty_ptr,               &num_editor_el_empty,
5335   },
5336   {
5337     NULL,
5338     NULL,
5339     NULL,                               NULL,
5340     NULL,                               NULL
5341   }
5342 };
5343
5344
5345 /*
5346   -----------------------------------------------------------------------------
5347   functions
5348   -----------------------------------------------------------------------------
5349 */
5350
5351 static int getMaxInfoTextLength()
5352 {
5353   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5354 }
5355
5356 static int getTextWidthForGadget(char *text)
5357 {
5358   if (text == NULL)
5359     return 0;
5360
5361   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5362 }
5363
5364 static int getTextWidthForDrawingArea(char *text)
5365 {
5366   if (text == NULL)
5367     return 0;
5368
5369   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5370 }
5371
5372 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5373 {
5374   return (gi->x + gi->width + getTextWidthForGadget(text));
5375 }
5376
5377 static char *getElementInfoText(int element)
5378 {
5379   char *info_text = NULL;
5380
5381   if (element < MAX_NUM_ELEMENTS)
5382   {
5383     if (strlen(element_info[element].description) > 0)
5384       info_text = element_info[element].description;
5385     else if (element_info[element].custom_description != NULL)
5386       info_text = element_info[element].custom_description;
5387     else if (element_info[element].editor_description != NULL)
5388       info_text = element_info[element].editor_description;
5389   }
5390
5391   if (info_text == NULL)
5392     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5393
5394   return info_text;
5395 }
5396
5397 static char *getElementDescriptionFilenameExt(char *basename)
5398 {
5399   char *elements_subdir = "elements";
5400   static char *elements_subdir2 = NULL;
5401   static char *filename = NULL;
5402
5403   if (elements_subdir2 == NULL)
5404     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5405
5406   checked_free(filename);
5407
5408   /* 1st try: look for element description in current level set directory */
5409   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5410   if (fileExists(filename))
5411     return filename;
5412
5413   free(filename);
5414
5415   /* 2nd try: look for element description in the game's base directory */
5416   filename = getPath3(options.docs_directory, elements_subdir, basename);
5417   if (fileExists(filename))
5418     return filename;
5419
5420   return NULL;
5421 }
5422
5423 char *getElementDescriptionFilename(int element)
5424 {
5425   char basename[MAX_FILENAME_LEN];
5426   char *filename;
5427
5428   /* 1st try: look for element description file for exactly this element */
5429   sprintf(basename, "%s.txt", element_info[element].token_name);
5430   filename = getElementDescriptionFilenameExt(basename);
5431   if (filename != NULL)
5432     return filename;
5433
5434   /* 2nd try: look for element description file for this element's class */
5435   sprintf(basename, "%s.txt", element_info[element].class_name);
5436   filename = getElementDescriptionFilenameExt(basename);
5437   if (filename != NULL)
5438     return filename;
5439
5440   return NULL;
5441 }
5442
5443 static boolean suppressBorderElement()
5444 {
5445   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5446           lev_fieldx <= MAX_ED_FIELDX &&
5447           lev_fieldy <= MAX_ED_FIELDY);
5448 }
5449
5450 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5451 {
5452   boolean element_found[NUM_FILE_ELEMENTS];
5453   int i, x, y;
5454
5455   /* initialize list of used elements to "not used" */
5456   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5457     element_found[i] = FALSE;
5458
5459   /* find all elements used in current level */
5460   for (y = 0; y < lev_fieldy; y++)
5461     for (x = 0; x < lev_fieldx; x++)
5462       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5463         element_found[Feld[x][y]] = TRUE;
5464
5465   *num_elements = 0;
5466
5467   /* count number of elements used in current level */
5468   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5469     if (element_found[i])
5470       (*num_elements)++;
5471
5472   /* add space for up to 3 more elements for padding that may be needed */
5473   *num_elements += 3;
5474
5475   /* free memory for old list of elements, if needed */
5476   checked_free(*elements);
5477
5478   /* allocate memory for new list of elements */
5479   *elements = checked_malloc(*num_elements * sizeof(int));
5480
5481   *num_elements = 0;
5482
5483   /* add all elements used in current level (non-custom/group elements) */
5484   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5485     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5486       (*elements)[(*num_elements)++] = i;
5487
5488   /* add all elements used in current level (custom/group elements) */
5489   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5490     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5491       (*elements)[(*num_elements)++] = i;
5492
5493   while (*num_elements % 4)     /* pad with empty elements, if needed */
5494     (*elements)[(*num_elements)++] = EL_EMPTY;
5495 }
5496
5497 static void ReinitializeElementList_EnableSections()
5498 {
5499   /* default: enable all element sections */
5500
5501   setup_editor_el_players               = TRUE;
5502   setup_editor_el_boulderdash           = TRUE;
5503   setup_editor_el_emerald_mine          = TRUE;
5504   setup_editor_el_emerald_mine_club     = TRUE;
5505   setup_editor_el_more                  = TRUE;
5506   setup_editor_el_sokoban               = TRUE;
5507   setup_editor_el_supaplex              = TRUE;
5508   setup_editor_el_diamond_caves         = TRUE;
5509   setup_editor_el_dx_boulderdash        = TRUE;
5510   setup_editor_el_mirror_magic          = TRUE;
5511   setup_editor_el_deflektor             = TRUE;
5512   setup_editor_el_chars                 = TRUE;
5513   setup_editor_el_steel_chars           = TRUE;
5514
5515   setup_editor_el_custom                = TRUE;
5516   setup_editor_el_user_defined          = TRUE;
5517   setup_editor_el_dynamic               = TRUE;
5518
5519   /* now disable all element sections not to be displayed */
5520
5521   if (!setup.editor.el_classic)
5522   {
5523     setup_editor_el_players             = FALSE;
5524     setup_editor_el_boulderdash         = FALSE;
5525     setup_editor_el_emerald_mine        = FALSE;
5526     setup_editor_el_emerald_mine_club   = FALSE;
5527     setup_editor_el_more                = FALSE;
5528     setup_editor_el_sokoban             = FALSE;
5529     setup_editor_el_supaplex            = FALSE;
5530     setup_editor_el_diamond_caves       = FALSE;
5531     setup_editor_el_dx_boulderdash      = FALSE;
5532     setup_editor_el_mirror_magic        = FALSE;
5533     setup_editor_el_deflektor           = FALSE;
5534     setup_editor_el_chars               = FALSE;
5535     setup_editor_el_steel_chars         = FALSE;
5536   }
5537
5538   if (!setup.editor.el_custom)
5539   {
5540     setup_editor_el_custom              = FALSE;
5541   }
5542
5543   if (!setup.editor.el_user_defined)
5544   {
5545     setup_editor_el_user_defined        = FALSE;
5546   }
5547
5548   if (!setup.editor.el_dynamic)
5549   {
5550     setup_editor_el_dynamic             = FALSE;
5551   }
5552
5553   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5554   {
5555     setup_editor_el_mirror_magic        = FALSE;
5556     setup_editor_el_deflektor           = FALSE;
5557   }
5558   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5559   {
5560     setup_editor_el_boulderdash         = FALSE;
5561     setup_editor_el_more                = FALSE;
5562     setup_editor_el_sokoban             = FALSE;
5563     setup_editor_el_supaplex            = FALSE;
5564     setup_editor_el_diamond_caves       = FALSE;
5565     setup_editor_el_dx_boulderdash      = FALSE;
5566     setup_editor_el_mirror_magic        = FALSE;
5567     setup_editor_el_deflektor           = FALSE;
5568     setup_editor_el_steel_chars         = FALSE;
5569
5570     setup_editor_el_custom              = FALSE;
5571   }
5572   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5573   {
5574     setup_editor_el_players             = FALSE;
5575     setup_editor_el_boulderdash         = FALSE;
5576     setup_editor_el_emerald_mine        = FALSE;
5577     setup_editor_el_emerald_mine_club   = FALSE;
5578     setup_editor_el_more                = FALSE;
5579     setup_editor_el_sokoban             = FALSE;
5580     setup_editor_el_diamond_caves       = FALSE;
5581     setup_editor_el_dx_boulderdash      = FALSE;
5582     setup_editor_el_mirror_magic        = FALSE;
5583     setup_editor_el_deflektor           = FALSE;
5584     setup_editor_el_chars               = FALSE;
5585     setup_editor_el_steel_chars         = FALSE;
5586
5587     setup_editor_el_custom              = FALSE;
5588   }
5589   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5590   {
5591     setup_editor_el_players             = FALSE;
5592     setup_editor_el_boulderdash         = FALSE;
5593     setup_editor_el_emerald_mine        = FALSE;
5594     setup_editor_el_emerald_mine_club   = FALSE;
5595     setup_editor_el_more                = FALSE;
5596     setup_editor_el_sokoban             = FALSE;
5597     setup_editor_el_supaplex            = FALSE;
5598     setup_editor_el_diamond_caves       = FALSE;
5599     setup_editor_el_dx_boulderdash      = FALSE;
5600     setup_editor_el_steel_chars         = FALSE;
5601
5602     setup_editor_el_custom              = FALSE;
5603   }
5604 }
5605
5606 static void ReinitializeElementList()
5607 {
5608   static boolean initialization_needed = TRUE;
5609   int pos = 0;
5610   int i, j;
5611
5612   ReinitializeElementList_EnableSections();
5613
5614   if (initialization_needed)
5615   {
5616     LoadSetup_EditorCascade();          /* load last editor cascade state */
5617
5618     /* initialize editor cascade element from saved cascade state */
5619     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5620     {
5621       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5622       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5623
5624       if (IS_EDITOR_CASCADE(*cascade_element))
5625         *cascade_element =
5626           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5627            EL_CASCADE_INACTIVE(*cascade_element));
5628     }
5629
5630     initialization_needed = FALSE;
5631   }
5632
5633   checked_free(editor_elements);
5634
5635   /* reload optional user defined element list for each invocation of editor */
5636   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5637                                    &num_editor_el_user_defined);
5638
5639   /* initialize dynamic level element list for each invocation of editor */
5640   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5641                                &num_editor_el_dynamic);
5642
5643   /* initialize list of empty elements (used for padding, if needed) */
5644   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5645     editor_el_empty[i] = EL_EMPTY;
5646
5647   /* do some sanity checks for each element from element list */
5648   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5649   {
5650     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5651     {
5652       int element = (*editor_elements_info[i].element_list)[j];
5653
5654       if (element >= NUM_FILE_ELEMENTS)
5655         Error(ERR_WARN, "editor element %d is runtime element", element);
5656
5657       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5658         Error(ERR_WARN, "no element description text for element %d", element);
5659     }
5660   }
5661
5662   num_editor_elements = 0;
5663   use_el_empty = FALSE;
5664
5665   /* determine size of element list */
5666   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5667   {
5668     boolean found_inactive_cascade = FALSE;
5669
5670     if (*editor_elements_info[i].setup_value)
5671     {
5672       if (setup.editor.el_headlines)
5673       {
5674         // required for correct padding of palette headline buttons
5675         if (*editor_elements_info[i].headline_list_size > 0)
5676           num_editor_elements += editor.palette.cols;
5677
5678         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5679         {
5680           int element = (*editor_elements_info[i].headline_list)[j];
5681
5682           if (IS_EDITOR_CASCADE_INACTIVE(element))
5683             found_inactive_cascade = TRUE;
5684         }
5685       }
5686
5687       if (found_inactive_cascade)
5688         continue;
5689
5690       // required for correct padding of palette element buttons
5691       int element_list_size = *editor_elements_info[i].element_list_size;
5692       int element_rows =
5693         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5694       int element_buttons = editor.palette.cols * element_rows;
5695
5696       num_editor_elements += element_buttons;
5697     }
5698   }
5699
5700   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5701   {
5702     /* offer at least as many elements as element buttons exist */
5703     use_el_empty = TRUE;
5704     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5705
5706     num_editor_elements += num_editor_el_empty;
5707   }
5708   else
5709   {
5710     num_editor_el_empty = 0;
5711   }
5712
5713   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5714
5715   /* fill element list */
5716   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5717   {
5718     boolean found_inactive_cascade = FALSE;
5719
5720     if (*editor_elements_info[i].setup_value)
5721     {
5722       if (setup.editor.el_headlines)
5723       {
5724         // required for correct padding of palette headline buttons
5725         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5726                              editor.palette.cols : 0);
5727
5728         for (j = 0; j < headline_size; j++)
5729         {
5730           // use empty elements for padding of palette headline buttons
5731           int element = (j < *editor_elements_info[i].headline_list_size ?
5732                          (*editor_elements_info[i].headline_list)[j] :
5733                          editor_el_empty[0]);
5734
5735           editor_elements[pos++] = element;
5736
5737           if (IS_EDITOR_CASCADE_INACTIVE(element))
5738             found_inactive_cascade = TRUE;
5739         }
5740       }
5741
5742       if (found_inactive_cascade)
5743         continue;
5744
5745       // required for correct padding of palette element buttons
5746       int element_list_size = *editor_elements_info[i].element_list_size;
5747       int element_rows =
5748         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5749       int element_buttons = editor.palette.cols * element_rows;
5750
5751       // copy all elements from element list
5752       for (j = 0; j < element_list_size; j++)
5753         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5754
5755       // use empty elements for padding of palette element buttons
5756       for (j = 0; j < element_buttons - element_list_size; j++)
5757         editor_elements[pos++] = editor_el_empty[0];
5758     }
5759   }
5760
5761   /* (this function is also called before editor gadgets are initialized!) */
5762   AdjustElementListScrollbar();
5763 }
5764
5765 void PrintEditorElementList()
5766 {
5767   boolean *stop = &setup_editor_el_user_defined;
5768   int i, j;
5769
5770   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5771   {
5772     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5773
5774     if (IS_EDITOR_CASCADE(cascade_element))
5775     {
5776       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5777       char *headline = element_info[cascade_element_show].editor_description;
5778
5779       PrintLineWithPrefix("# ", "-", 77);
5780       Print("# %s\n", headline);
5781       PrintLineWithPrefix("# ", "-", 77);
5782     }
5783
5784     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5785     {
5786       int element = (*editor_elements_info[i].headline_list)[j];
5787
5788       if (IS_EDITOR_CASCADE(element))
5789         element = EL_CHAR_MINUS;
5790
5791       Print("# %s\n", element_info[element].token_name);
5792     }
5793
5794     if (j > 0)
5795       Print("#\n");
5796
5797     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5798     {
5799       int element = (*editor_elements_info[i].element_list)[j];
5800
5801       Print("# %s\n", element_info[element].token_name);
5802     }
5803
5804     if (j > 0)
5805       Print("#\n");
5806   }
5807 }
5808
5809 static void ReinitializeElementListButtons()
5810 {
5811   static boolean last_setup_value_headlines = FALSE;
5812   static boolean initialization_needed = TRUE;
5813   int i;
5814
5815   if (!initialization_needed)   /* check if editor element setup has changed */
5816   {
5817     if (last_setup_value_headlines != setup.editor.el_headlines)
5818       initialization_needed = TRUE;
5819
5820     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5821       if (editor_elements_info[i].last_setup_value !=
5822           *editor_elements_info[i].setup_value)
5823         initialization_needed = TRUE;
5824   }
5825
5826   if (!initialization_needed)
5827     return;
5828
5829   FreeLevelEditorGadgets();
5830   CreateLevelEditorGadgets();
5831
5832   /* store current setup values for next invocation of this function */
5833   last_setup_value_headlines = setup.editor.el_headlines;
5834   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5835     editor_elements_info[i].last_setup_value =
5836       *editor_elements_info[i].setup_value;
5837
5838   initialization_needed = FALSE;
5839 }
5840
5841 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5842                               boolean input)
5843 {
5844   int border_graphic =
5845     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5846   struct GraphicInfo *g = &graphic_info[border_graphic];
5847   Bitmap *src_bitmap = g->bitmap;
5848   int src_x = g->src_x;
5849   int src_y = g->src_y;
5850   int border_size = g->border_size;
5851   int border_xpos = g->width  - border_size;
5852   int border_ypos = g->height - border_size;
5853   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5854   int i;
5855
5856   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5857              border_size, border_size,
5858              dest_x - border_size, dest_y - border_size);
5859   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5860              border_size, border_size,
5861              dest_x + width, dest_y - border_size);
5862   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5863              border_size, border_size,
5864              dest_x - border_size, dest_y + height);
5865   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5866              border_size, border_size,
5867              dest_x + width, dest_y + height);
5868
5869   for (i = 0; i < width / tilesize; i++)
5870   {
5871     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5872                tilesize, border_size,
5873                dest_x + i * tilesize, dest_y - border_size);
5874     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5875                tilesize, border_size,
5876                dest_x + i * tilesize, dest_y + height);
5877   }
5878
5879   for (i = 0; i < height / tilesize; i++)
5880   {
5881     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5882                border_size, tilesize,
5883                dest_x - border_size, dest_y + i * tilesize);
5884     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5885                border_size, tilesize,
5886                dest_x + width, dest_y + i * tilesize);
5887   }
5888
5889   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5890 }
5891
5892 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5893 {
5894   int xsize_tile = MAX(ed_tilesize, xsize);
5895   int ysize_tile = MAX(ed_tilesize, ysize);
5896   int xsize_full = xsize + 1;
5897   int ysize_full = ysize + 1;
5898   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5899   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5900   Pixel line_color = getTabulatorBarColor();
5901
5902   if (line_color == BLACK_PIXEL)                /* black => transparent */
5903     return;
5904
5905   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5906   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5907   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5908 }
5909
5910 static void DrawEditorLevelBorderLinesIfNeeded()
5911 {
5912   int xsize = lev_fieldx * ed_tilesize;
5913   int ysize = lev_fieldy * ed_tilesize;
5914   int line_size = getTabulatorBarHeight();
5915
5916   if (!suppressBorderElement())
5917     return;
5918
5919   /* draw little border line around editable level playfield */
5920
5921   if (xsize < SXSIZE)
5922     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
5923
5924   if (ysize < SYSIZE)
5925     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
5926
5927   if (xsize < SXSIZE && ysize < SYSIZE)
5928     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
5929 }
5930
5931 static void DrawEditorElement(int x, int y, int element)
5932 {
5933   DrawSizedElement(x, y, element, ed_tilesize);
5934 }
5935
5936 static void DrawEditorElementThruMask(int x, int y, int element)
5937 {
5938   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5939 }
5940
5941 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5942 {
5943   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5944 }
5945
5946 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5947 {
5948   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5949   DrawEditorLevelBorderLinesIfNeeded();
5950 }
5951
5952 static void DrawDrawingArea(int id)
5953 {
5954   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5955   int x, y;
5956
5957   int *value = drawingarea_info[id].value;
5958   int area_xsize = drawingarea_info[id].area_xsize;
5959   int area_ysize = drawingarea_info[id].area_ysize;
5960   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5961
5962   for (x = 0; x < area_xsize; x++)
5963     for (y = 0; y < area_ysize; y++)
5964       DrawSizedGraphicExt(drawto,
5965                           gi->x + x * tilesize,
5966                           gi->y + y * tilesize,
5967                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5968 }
5969
5970 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5971 {
5972   int x, y;
5973   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5974   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5975
5976   BlitBitmap(drawto, drawto,
5977              SX + (dx == -1 ? ed_tilesize : 0),
5978              SY + (dy == -1 ? ed_tilesize : 0),
5979              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5980              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5981              SX + (dx == +1 ? ed_tilesize : 0),
5982              SY + (dy == +1 ? ed_tilesize : 0));
5983
5984   if (dx)
5985   {
5986     x = (dx == 1 ? 0 : ed_fieldx - 1);
5987     for (y = 0; y < ed_fieldy; y++)
5988       DrawEditorElementOrWall(x, y, from_x, from_y);
5989   }
5990   else if (dy)
5991   {
5992     y = (dy == 1 ? 0 : ed_fieldy - 1);
5993     for (x = 0; x < ed_fieldx; x++)
5994       DrawEditorElementOrWall(x, y, from_x, from_y);
5995   }
5996
5997   redraw_mask |= REDRAW_FIELD;
5998   BackToFront();
5999 }
6000
6001 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6002                             int *x, int *y)
6003 {
6004   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6005 }
6006
6007 static void CreateControlButtons()
6008 {
6009   struct GadgetInfo *gi;
6010   int i;
6011
6012   /* create toolbox buttons */
6013   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6014   {
6015     int id = controlbutton_info[i].gadget_id;
6016     int type = controlbutton_info[i].gadget_type;
6017     int graphic = controlbutton_info[i].graphic;
6018     struct XYTileSize *pos = controlbutton_info[i].pos;
6019     struct GraphicInfo *gd = &graphic_info[graphic];
6020     Bitmap *deco_bitmap = NULL;
6021     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6022     int tile_size = 0, deco_shift = 0;
6023     boolean deco_masked = FALSE;
6024     int gd_x1 = gd->src_x;
6025     int gd_y1 = gd->src_y;
6026     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6027     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6028     int gd_x1a = gd->src_x + gd->active_xoffset;
6029     int gd_y1a = gd->src_y + gd->active_yoffset;
6030     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6031     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6032     int x = pos->x;
6033     int y = pos->y;
6034     unsigned int event_mask;
6035     int radio_button_nr = RADIO_NR_NONE;
6036     boolean checked = FALSE;
6037
6038     if (type == GD_TYPE_RADIO_BUTTON)
6039     {
6040       event_mask = GD_EVENT_PRESSED;
6041       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6042
6043       if (id == drawing_function)
6044         checked = TRUE;
6045     }
6046     else
6047     {
6048       if (id == GADGET_ID_WRAP_LEFT ||
6049           id == GADGET_ID_WRAP_RIGHT ||
6050           id == GADGET_ID_WRAP_UP ||
6051           id == GADGET_ID_WRAP_DOWN)
6052         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6053       else
6054         event_mask = GD_EVENT_RELEASED;
6055     }
6056
6057     if (id == GADGET_ID_PROPERTIES ||
6058         id == GADGET_ID_PALETTE)
6059     {
6060       x += DX;
6061       y += DY;
6062     }
6063     else if (id == GADGET_ID_ELEMENT_LEFT ||
6064              id == GADGET_ID_ELEMENT_MIDDLE ||
6065              id == GADGET_ID_ELEMENT_RIGHT)
6066     {
6067       x += DX;
6068       y += DY;
6069
6070       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6071                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6072                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6073
6074       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6075                                    editor.button.element_left.tile_size :
6076                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6077                                    editor.button.element_middle.tile_size :
6078                                    id == GADGET_ID_ELEMENT_RIGHT ?
6079                                    editor.button.element_right.tile_size : 0);
6080
6081       // make sure that decoration does not overlap gadget border
6082       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6083
6084       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6085
6086       deco_xpos = (gd->width  - tile_size) / 2;
6087       deco_ypos = (gd->height - tile_size) / 2;
6088       deco_shift = 1;
6089       deco_masked = gd->draw_masked;
6090     }
6091     else
6092     {
6093       x += EX;
6094       y += EY;
6095     }
6096
6097     gi = CreateGadget(GDI_CUSTOM_ID, id,
6098                       GDI_CUSTOM_TYPE_ID, i,
6099                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6100                       GDI_X, x,
6101                       GDI_Y, y,
6102                       GDI_WIDTH, gd->width,
6103                       GDI_HEIGHT, gd->height,
6104                       GDI_TYPE, type,
6105                       GDI_STATE, GD_BUTTON_UNPRESSED,
6106                       GDI_RADIO_NR, radio_button_nr,
6107                       GDI_CHECKED, checked,
6108                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6109                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6110                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6111                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6112                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6113                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6114                       GDI_DECORATION_SIZE, tile_size, tile_size,
6115                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6116                       GDI_DECORATION_MASKED, deco_masked,
6117                       GDI_EVENT_MASK, event_mask,
6118                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6119                       GDI_CALLBACK_ACTION, HandleControlButtons,
6120                       GDI_END);
6121
6122     if (gi == NULL)
6123       Error(ERR_EXIT, "cannot create gadget");
6124
6125     level_editor_gadget[id] = gi;
6126   }
6127
6128   /* these values are not constant, but can change at runtime */
6129   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6130   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6131   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6132   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6133   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6134   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6135   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6136   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6137   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6138   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6139   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6140   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6141
6142   /* create buttons for scrolling of drawing area and element list */
6143   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6144   {
6145     int id = scrollbutton_info[i].gadget_id;
6146     int graphic = scrollbutton_info[i].graphic;
6147     struct GraphicInfo *gd = &graphic_info[graphic];
6148     Bitmap *gd_bitmap = gd->bitmap;
6149     int gd_x1 = gd->src_x;
6150     int gd_y1 = gd->src_y;
6151     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6152     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6153     int width  = gd->width;
6154     int height = gd->height;
6155     int x = scrollbutton_pos[i].x;
6156     int y = scrollbutton_pos[i].y;
6157     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6158
6159     if (id == GADGET_ID_SCROLL_LIST_UP ||
6160         id == GADGET_ID_SCROLL_LIST_DOWN)
6161     {
6162       x += PX;
6163       y += PY;
6164     }
6165     else
6166     {
6167       x += SX;
6168       y += SY;
6169     }
6170
6171     gi = CreateGadget(GDI_CUSTOM_ID, id,
6172                       GDI_CUSTOM_TYPE_ID, i,
6173                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6174                       GDI_X, x,
6175                       GDI_Y, y,
6176                       GDI_WIDTH, width,
6177                       GDI_HEIGHT, height,
6178                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6179                       GDI_STATE, GD_BUTTON_UNPRESSED,
6180                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6181                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6182                       GDI_EVENT_MASK, event_mask,
6183                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6184                       GDI_CALLBACK_ACTION, HandleControlButtons,
6185                       GDI_END);
6186
6187     if (gi == NULL)
6188       Error(ERR_EXIT, "cannot create gadget");
6189
6190     level_editor_gadget[id] = gi;
6191   }
6192
6193   /* create buttons for element list */
6194   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6195   {
6196     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6197     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6198     struct GraphicInfo *gd = &graphic_info[graphic];
6199     Bitmap *gd_bitmap = gd->bitmap;
6200     Bitmap *deco_bitmap;
6201     int deco_x, deco_y, deco_xpos, deco_ypos;
6202     int gd_x1 = gd->src_x;
6203     int gd_y1 = gd->src_y;
6204     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6205     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6206     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6207     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6208     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6209     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6210     int element = editor_elements[i];
6211     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6212     unsigned int event_mask = GD_EVENT_RELEASED;
6213
6214     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6215
6216     deco_xpos = (gd->width  - tile_size) / 2;
6217     deco_ypos = (gd->height - tile_size) / 2;
6218
6219     gi = CreateGadget(GDI_CUSTOM_ID, id,
6220                       GDI_CUSTOM_TYPE_ID, i,
6221                       GDI_INFO_TEXT, getElementInfoText(element),
6222                       GDI_X, x,
6223                       GDI_Y, y,
6224                       GDI_WIDTH, gd->width,
6225                       GDI_HEIGHT, gd->height,
6226                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6227                       GDI_STATE, GD_BUTTON_UNPRESSED,
6228                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6229                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6230                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6231                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6232                       GDI_DECORATION_SIZE, tile_size, tile_size,
6233                       GDI_DECORATION_SHIFTING, 1, 1,
6234                       GDI_EVENT_MASK, event_mask,
6235                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6236                       GDI_CALLBACK_ACTION, HandleControlButtons,
6237                       GDI_END);
6238
6239     if (gi == NULL)
6240       Error(ERR_EXIT, "cannot create gadget");
6241
6242     level_editor_gadget[id] = gi;
6243   }
6244 }
6245
6246 static void CreateCounterButtons()
6247 {
6248   int max_infotext_len = getMaxInfoTextLength();
6249   int i;
6250
6251   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6252   {
6253     int j;
6254     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6255     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6256
6257     /* determine horizontal position to the right of specified gadget */
6258     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6259       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6260            ED_GADGET_TEXT_DISTANCE);
6261
6262     /* determine horizontal offset for leading text */
6263     if (counterbutton_info[i].text_left != NULL)
6264       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6265
6266     for (j = 0; j < 2; j++)
6267     {
6268       struct GadgetInfo *gi;
6269       int id = (j == 0 ?
6270                 counterbutton_info[i].gadget_id_down :
6271                 counterbutton_info[i].gadget_id_up);
6272       int graphic;
6273       struct GraphicInfo *gd;
6274       int gd_x1, gd_x2, gd_y1, gd_y2;
6275       unsigned int event_mask;
6276       char infotext[max_infotext_len + 1];
6277
6278       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6279
6280       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6281       {
6282         graphic = (j == 0 ?
6283                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6284                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6285
6286         event_mask |= GD_EVENT_RELEASED;
6287
6288         if (j == 0)
6289         {
6290           x = DX + editor.button.prev_level.x;
6291           y = DY + editor.button.prev_level.y;
6292         }
6293         else
6294         {
6295           x = DX + editor.button.next_level.x;
6296           y = DY + editor.button.next_level.y;
6297         }
6298       }
6299       else
6300       {
6301         graphic = (j == 0 ?
6302                    IMG_EDITOR_COUNTER_DOWN :
6303                    IMG_EDITOR_COUNTER_UP);
6304       }
6305
6306       gd = &graphic_info[graphic];
6307
6308       gd_x1 = gd->src_x;
6309       gd_y1 = gd->src_y;
6310       gd_x2 = gd->src_x + gd->pressed_xoffset;
6311       gd_y2 = gd->src_y + gd->pressed_yoffset;
6312
6313       sprintf(infotext, "%s counter value by 1, 5 or 10",
6314               (j == 0 ? "decrease" : "increase"));
6315
6316       gi = CreateGadget(GDI_CUSTOM_ID, id,
6317                         GDI_CUSTOM_TYPE_ID, i,
6318                         GDI_INFO_TEXT, infotext,
6319                         GDI_X, x,
6320                         GDI_Y, y,
6321                         GDI_WIDTH, gd->width,
6322                         GDI_HEIGHT, gd->height,
6323                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6324                         GDI_STATE, GD_BUTTON_UNPRESSED,
6325                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6326                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6327                         GDI_EVENT_MASK, event_mask,
6328                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6329                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6330                         GDI_END);
6331
6332       if (gi == NULL)
6333         Error(ERR_EXIT, "cannot create gadget");
6334
6335       level_editor_gadget[id] = gi;
6336       right_gadget_border[id] =
6337         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6338
6339       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6340
6341       if (j == 0)
6342       {
6343         int font_type = FONT_INPUT_1;
6344         int font_type_active = FONT_INPUT_1_ACTIVE;
6345
6346         id = counterbutton_info[i].gadget_id_text;
6347
6348         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6349
6350         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6351         {
6352           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6353
6354           font_type = FONT_LEVEL_NUMBER;
6355           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6356
6357           x = DX + editor.input.level_number.x;
6358           y = DY + editor.input.level_number.y;
6359         }
6360         else
6361         {
6362           graphic = IMG_EDITOR_COUNTER_INPUT;
6363         }
6364
6365         gd = &graphic_info[graphic];
6366
6367         gd_x1 = gd->src_x;
6368         gd_y1 = gd->src_y;
6369         gd_x2 = gd->src_x + gd->active_xoffset;
6370         gd_y2 = gd->src_y + gd->active_yoffset;
6371
6372         gi = CreateGadget(GDI_CUSTOM_ID, id,
6373                           GDI_CUSTOM_TYPE_ID, i,
6374                           GDI_INFO_TEXT, "enter counter value",
6375                           GDI_X, x,
6376                           GDI_Y, y,
6377                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6378                           GDI_NUMBER_VALUE, 0,
6379                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6380                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6381                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6382                           GDI_TEXT_FONT, font_type,
6383                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6384                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6385                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6386                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6387                           GDI_DESIGN_WIDTH, gd->width,
6388                           GDI_EVENT_MASK, event_mask,
6389                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6390                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6391                           GDI_END);
6392
6393         if (gi == NULL)
6394           Error(ERR_EXIT, "cannot create gadget");
6395
6396         level_editor_gadget[id] = gi;
6397         right_gadget_border[id] =
6398           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6399
6400         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6401       }
6402     }
6403   }
6404 }
6405
6406 static void CreateDrawingAreas()
6407 {
6408   int i;
6409
6410   /* these values are not constant, but can change at runtime */
6411   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6412   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6413
6414   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6415   {
6416     struct GadgetInfo *gi;
6417     unsigned int event_mask;
6418     int id = drawingarea_info[i].gadget_id;
6419     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6420     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6421     int area_xsize = drawingarea_info[i].area_xsize;
6422     int area_ysize = drawingarea_info[i].area_ysize;
6423     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6424                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6425
6426     event_mask =
6427       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6428       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6429
6430     /* determine horizontal position to the right of specified gadget */
6431     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6432       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6433            ED_DRAWINGAREA_TEXT_DISTANCE);
6434
6435     /* determine horizontal offset for leading text */
6436     if (drawingarea_info[i].text_left != NULL)
6437       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6438
6439     gi = CreateGadget(GDI_CUSTOM_ID, id,
6440                       GDI_CUSTOM_TYPE_ID, i,
6441                       GDI_X, x,
6442                       GDI_Y, y,
6443                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6444                       GDI_AREA_SIZE, area_xsize, area_ysize,
6445                       GDI_ITEM_SIZE, item_size, item_size,
6446                       GDI_EVENT_MASK, event_mask,
6447                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6448                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6449                       GDI_END);
6450
6451     if (gi == NULL)
6452       Error(ERR_EXIT, "cannot create gadget");
6453
6454     level_editor_gadget[id] = gi;
6455     right_gadget_border[id] =
6456       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6457   }
6458 }
6459
6460 static void CreateTextInputGadgets()
6461 {
6462   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6463   int max_infotext_len = getMaxInfoTextLength();
6464   int i;
6465
6466   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6467   {
6468     int gd_x1 = gd->src_x;
6469     int gd_y1 = gd->src_y;
6470     int gd_x2 = gd->src_x + gd->active_xoffset;
6471     int gd_y2 = gd->src_y + gd->active_yoffset;
6472     struct GadgetInfo *gi;
6473     unsigned int event_mask;
6474     char infotext[MAX_OUTPUT_LINESIZE + 1];
6475     int id = textinput_info[i].gadget_id;
6476     int x, y;
6477
6478     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6479     {
6480       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6481       int border_size = gd->border_size;
6482       int font_nr = FONT_INPUT_1;
6483       int font_height = getFontHeight(font_nr);
6484       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6485       int yoffset = element_border + (TILEY - font_height) / 2;
6486
6487       x = (editor.settings.element_name.x != -1 ?
6488            editor.settings.element_name.x :
6489            editor.settings.element_graphic.x + xoffset) - border_size;
6490       y = (editor.settings.element_name.y != -1 ?
6491            editor.settings.element_name.y :
6492            editor.settings.element_graphic.y + yoffset) - border_size;
6493     }
6494     else
6495     {
6496       x = ED_SETTINGS_X(textinput_info[i].x);
6497       y = ED_SETTINGS_Y(textinput_info[i].y);
6498     }
6499
6500     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6501
6502     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6503     infotext[max_infotext_len] = '\0';
6504
6505     gi = CreateGadget(GDI_CUSTOM_ID, id,
6506                       GDI_CUSTOM_TYPE_ID, i,
6507                       GDI_INFO_TEXT, infotext,
6508                       GDI_X, SX + x,
6509                       GDI_Y, SY + y,
6510                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6511                       GDI_TEXT_VALUE, textinput_info[i].value,
6512                       GDI_TEXT_SIZE, textinput_info[i].size,
6513                       GDI_TEXT_FONT, FONT_INPUT_1,
6514                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6515                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6516                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6517                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6518                       GDI_DESIGN_WIDTH, gd->width,
6519                       GDI_EVENT_MASK, event_mask,
6520                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6521                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6522                       GDI_END);
6523
6524     if (gi == NULL)
6525       Error(ERR_EXIT, "cannot create gadget");
6526
6527     level_editor_gadget[id] = gi;
6528   }
6529 }
6530
6531 static void CreateTextAreaGadgets()
6532 {
6533   int max_infotext_len = getMaxInfoTextLength();
6534   int i;
6535
6536   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6537   {
6538     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6539     int gd_x1 = gd->src_x;
6540     int gd_y1 = gd->src_y;
6541     int gd_x2 = gd->src_x + gd->active_xoffset;
6542     int gd_y2 = gd->src_y + gd->active_yoffset;
6543     struct GadgetInfo *gi;
6544     unsigned int event_mask;
6545     char infotext[MAX_OUTPUT_LINESIZE + 1];
6546     int id = textarea_info[i].gadget_id;
6547     int area_xsize = textarea_info[i].xsize;
6548     int area_ysize = textarea_info[i].ysize;
6549
6550     event_mask = GD_EVENT_TEXT_LEAVING;
6551
6552     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6553     infotext[max_infotext_len] = '\0';
6554
6555     gi = CreateGadget(GDI_CUSTOM_ID, id,
6556                       GDI_CUSTOM_TYPE_ID, i,
6557                       GDI_INFO_TEXT, infotext,
6558                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6559                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6560                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6561                       GDI_AREA_SIZE, area_xsize, area_ysize,
6562                       GDI_TEXT_FONT, FONT_INPUT_1,
6563                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6564                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6565                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6566                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6567                       GDI_DESIGN_WIDTH, gd->width,
6568                       GDI_EVENT_MASK, event_mask,
6569                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6570                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6571                       GDI_END);
6572
6573     if (gi == NULL)
6574       Error(ERR_EXIT, "cannot create gadget");
6575
6576     level_editor_gadget[id] = gi;
6577   }
6578 }
6579
6580 static void CreateSelectboxGadgets()
6581 {
6582   int max_infotext_len = getMaxInfoTextLength();
6583   int i, j;
6584
6585   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6586   {
6587     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6588     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6589     int gd_x1 = gd->src_x;
6590     int gd_y1 = gd->src_y;
6591     int gd_x2 = gd->src_x + gd->active_xoffset;
6592     int gd_y2 = gd->src_y + gd->active_yoffset;
6593     int selectbox_button_xsize = gd2->width;
6594     struct GadgetInfo *gi;
6595     unsigned int event_mask;
6596     char infotext[MAX_OUTPUT_LINESIZE + 1];
6597     int id = selectbox_info[i].gadget_id;
6598     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6599     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6600
6601     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6602     {
6603       /* (we cannot use -1 for uninitialized values if we directly compare
6604          with results from strlen(), because the '<' and '>' operation will
6605          implicitely cast -1 to an unsigned integer value!) */
6606       selectbox_info[i].size = 0;
6607
6608       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6609         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6610           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6611
6612       selectbox_info[i].size++;         /* add one character empty space */
6613     }
6614
6615     event_mask = GD_EVENT_RELEASED |
6616       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6617
6618     /* determine horizontal position to the right of specified gadget */
6619     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6620       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6621            ED_GADGET_TEXT_DISTANCE);
6622
6623     /* determine horizontal offset for leading text */
6624     if (selectbox_info[i].text_left != NULL)
6625       x += getTextWidthForGadget(selectbox_info[i].text_left);
6626
6627     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6628     infotext[max_infotext_len] = '\0';
6629
6630     gi = CreateGadget(GDI_CUSTOM_ID, id,
6631                       GDI_CUSTOM_TYPE_ID, i,
6632                       GDI_INFO_TEXT, infotext,
6633                       GDI_X, x,
6634                       GDI_Y, y,
6635                       GDI_TYPE, GD_TYPE_SELECTBOX,
6636                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6637                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6638                       GDI_TEXT_SIZE, selectbox_info[i].size,
6639                       GDI_TEXT_FONT, FONT_INPUT_1,
6640                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6641                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6642                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6643                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6644                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6645                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6646                       GDI_DESIGN_WIDTH, gd->width,
6647                       GDI_EVENT_MASK, event_mask,
6648                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6649                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6650                       GDI_END);
6651
6652     if (gi == NULL)
6653       Error(ERR_EXIT, "cannot create gadget");
6654
6655     level_editor_gadget[id] = gi;
6656     right_gadget_border[id] =
6657       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6658   }
6659 }
6660
6661 static void CreateTextbuttonGadgets()
6662 {
6663   int max_infotext_len = getMaxInfoTextLength();
6664   int i;
6665
6666   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6667   {
6668     int id = textbutton_info[i].gadget_id;
6669     int is_tab_button =
6670       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6671        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6672     int graphic =
6673       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6674     int gadget_distance =
6675       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6676     struct GraphicInfo *gd = &graphic_info[graphic];
6677     int gd_x1 = gd->src_x;
6678     int gd_y1 = gd->src_y;
6679     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6680     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6681     int gd_x1a = gd->src_x + gd->active_xoffset;
6682     int gd_y1a = gd->src_y + gd->active_yoffset;
6683     int border_xsize = gd->border_size + gd->draw_xoffset;
6684     int border_ysize = gd->border_size;
6685     struct GadgetInfo *gi;
6686     unsigned int event_mask;
6687     char infotext[MAX_OUTPUT_LINESIZE + 1];
6688     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6689     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6690
6691     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6692       textbutton_info[i].size = strlen(textbutton_info[i].text);
6693
6694     event_mask = GD_EVENT_RELEASED;
6695
6696     sprintf(infotext, "%s", textbutton_info[i].infotext);
6697     infotext[max_infotext_len] = '\0';
6698
6699     /* determine horizontal position to the right of specified gadget */
6700     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6701     {
6702       int gadget_id_align = textbutton_info[i].gadget_id_align;
6703
6704       x = right_gadget_border[gadget_id_align] + gadget_distance;
6705
6706       if (textbutton_info[i].y == -1)
6707         y = level_editor_gadget[gadget_id_align]->y;
6708     }
6709
6710     /* determine horizontal offset for leading text */
6711     if (textbutton_info[i].text_left != NULL)
6712       x += getTextWidthForGadget(textbutton_info[i].text_left);
6713
6714     gi = CreateGadget(GDI_CUSTOM_ID, id,
6715                       GDI_CUSTOM_TYPE_ID, i,
6716                       GDI_INFO_TEXT, infotext,
6717                       GDI_X, x,
6718                       GDI_Y, y,
6719                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6720                       GDI_TEXT_VALUE, textbutton_info[i].text,
6721                       GDI_TEXT_SIZE, textbutton_info[i].size,
6722                       GDI_TEXT_FONT, FONT_INPUT_2,
6723                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6724                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6725                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6726                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6727                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6728                       GDI_DESIGN_WIDTH, gd->width,
6729                       GDI_DECORATION_SHIFTING, 1, 1,
6730                       GDI_EVENT_MASK, event_mask,
6731                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6732                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6733                       GDI_END);
6734
6735     if (gi == NULL)
6736       Error(ERR_EXIT, "cannot create gadget");
6737
6738     level_editor_gadget[id] = gi;
6739     right_gadget_border[id] =
6740       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6741   }
6742 }
6743
6744 static void CreateGraphicbuttonGadgets()
6745 {
6746   struct GadgetInfo *gi;
6747   unsigned int event_mask;
6748   int i;
6749
6750   /* create buttons for scrolling of drawing area and element list */
6751   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6752   {
6753     int id = graphicbutton_info[i].gadget_id;
6754     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6755     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6756     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6757     int gd_x1 = gd->src_x;
6758     int gd_y1 = gd->src_y;
6759     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6760     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6761
6762     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6763
6764     /* determine horizontal position to the right of specified gadget */
6765     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6766       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6767            ED_GADGET_TEXT_DISTANCE);
6768
6769     /* determine horizontal offset for leading text */
6770     if (graphicbutton_info[i].text_left != NULL)
6771       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6772
6773     gi = CreateGadget(GDI_CUSTOM_ID, id,
6774                       GDI_CUSTOM_TYPE_ID, i,
6775                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6776                       GDI_X, x,
6777                       GDI_Y, y,
6778                       GDI_WIDTH, gd->width,
6779                       GDI_HEIGHT, gd->height,
6780                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6781                       GDI_STATE, GD_BUTTON_UNPRESSED,
6782                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6783                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6784                       GDI_EVENT_MASK, event_mask,
6785                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6786                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6787                       GDI_END);
6788
6789     if (gi == NULL)
6790       Error(ERR_EXIT, "cannot create gadget");
6791
6792     level_editor_gadget[id] = gi;
6793     right_gadget_border[id] =
6794       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6795   }
6796 }
6797
6798 static void CreateScrollbarGadgets()
6799 {
6800   int i;
6801
6802   /* these values are not constant, but can change at runtime */
6803   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6804     SX + ED_SCROLL_HORIZONTAL_XPOS;
6805   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6806     SY + ED_SCROLL_HORIZONTAL_YPOS;
6807   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6808     ED_SCROLL_HORIZONTAL_XSIZE;
6809   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6810     ED_SCROLL_HORIZONTAL_YSIZE;
6811   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6812   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6813   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6814   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6815
6816   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6817     SX + ED_SCROLL_VERTICAL_XPOS;
6818   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6819     SY + ED_SCROLL_VERTICAL_YPOS;
6820   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6821     ED_SCROLL_VERTICAL_XSIZE;
6822   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6823     ED_SCROLL_VERTICAL_YSIZE;
6824   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6825   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6826   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6827   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6828
6829   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6830     PX + ED_SCROLL2_VERTICAL_XPOS;
6831   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6832     PY + ED_SCROLL2_VERTICAL_YPOS;
6833   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6834     ED_SCROLL2_VERTICAL_XSIZE;
6835   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6836     ED_SCROLL2_VERTICAL_YSIZE;
6837   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6838   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6839   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6840   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6841
6842   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6843   {
6844     int id = scrollbar_info[i].gadget_id;
6845     int graphic = scrollbar_info[i].graphic;
6846     struct GraphicInfo *gd = &graphic_info[graphic];
6847     int gd_x1 = gd->src_x;
6848     int gd_y1 = gd->src_y;
6849     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6850     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6851     struct GadgetInfo *gi;
6852     int items_max, items_visible, item_position;
6853     unsigned int event_mask;
6854
6855     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6856     {
6857       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6858       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6859       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6860     }
6861     else        /* drawing area scrollbars */
6862     {
6863       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6864       {
6865         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6866         items_visible = ed_fieldx;
6867         item_position = 0;
6868       }
6869       else
6870       {
6871         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6872         items_visible = ed_fieldy;
6873         item_position = 0;
6874       }
6875     }
6876
6877     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6878
6879     gi = CreateGadget(GDI_CUSTOM_ID, id,
6880                       GDI_CUSTOM_TYPE_ID, i,
6881                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6882                       GDI_X, scrollbar_pos[i].x,
6883                       GDI_Y, scrollbar_pos[i].y,
6884                       GDI_WIDTH, scrollbar_pos[i].width,
6885                       GDI_HEIGHT, scrollbar_pos[i].height,
6886                       GDI_TYPE, scrollbar_info[i].type,
6887                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6888                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6889                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6890                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6891                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6892                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6893                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6894                       GDI_STATE, GD_BUTTON_UNPRESSED,
6895                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6896                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6897                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6898                       GDI_EVENT_MASK, event_mask,
6899                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6900                       GDI_CALLBACK_ACTION, HandleControlButtons,
6901                       GDI_END);
6902
6903     if (gi == NULL)
6904       Error(ERR_EXIT, "cannot create gadget");
6905
6906     level_editor_gadget[id] = gi;
6907   }
6908 }
6909
6910 static void CreateCheckbuttonGadgets()
6911 {
6912   struct GadgetInfo *gi;
6913   unsigned int event_mask;
6914   int i;
6915
6916   event_mask = GD_EVENT_PRESSED;
6917
6918   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6919   {
6920     int id = checkbutton_info[i].gadget_id;
6921     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6922                    IMG_EDITOR_CHECKBOX);
6923     struct GraphicInfo *gd = &graphic_info[graphic];
6924     int gd_x1 = gd->src_x;
6925     int gd_y1 = gd->src_y;
6926     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6927     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6928     int gd_x1a = gd->src_x + gd->active_xoffset;
6929     int gd_y1a = gd->src_y + gd->active_yoffset;
6930     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6931     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6932     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6933     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6934
6935     /* determine horizontal position to the right of specified gadget */
6936     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6937       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6938            ED_GADGET_TEXT_DISTANCE);
6939
6940     /* determine horizontal offset for leading text */
6941     if (checkbutton_info[i].text_left != NULL)
6942       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6943
6944     gi = CreateGadget(GDI_CUSTOM_ID, id,
6945                       GDI_CUSTOM_TYPE_ID, i,
6946                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6947                       GDI_X, x,
6948                       GDI_Y, y,
6949                       GDI_WIDTH, gd->width,
6950                       GDI_HEIGHT, gd->height,
6951                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6952                       GDI_CHECKED, *checkbutton_info[i].value,
6953                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6954                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6955                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6956                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6957                       GDI_EVENT_MASK, event_mask,
6958                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6959                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6960                       GDI_END);
6961
6962     if (gi == NULL)
6963       Error(ERR_EXIT, "cannot create gadget");
6964
6965     level_editor_gadget[id] = gi;
6966     right_gadget_border[id] =
6967       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6968   }
6969 }
6970
6971 static void CreateRadiobuttonGadgets()
6972 {
6973   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6974   int gd_x1 = gd->src_x;
6975   int gd_y1 = gd->src_y;
6976   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6977   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6978   int gd_x1a = gd->src_x + gd->active_xoffset;
6979   int gd_y1a = gd->src_y + gd->active_yoffset;
6980   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6981   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6982   struct GadgetInfo *gi;
6983   unsigned int event_mask;
6984   int i;
6985
6986   event_mask = GD_EVENT_PRESSED;
6987
6988   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6989   {
6990     int id = radiobutton_info[i].gadget_id;
6991     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6992     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6993
6994     int checked =
6995       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6996
6997     /* determine horizontal position to the right of specified gadget */
6998     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
6999       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7000            ED_GADGET_TEXT_DISTANCE);
7001
7002     /* determine horizontal offset for leading text */
7003     if (radiobutton_info[i].text_left != NULL)
7004       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7005
7006     gi = CreateGadget(GDI_CUSTOM_ID, id,
7007                       GDI_CUSTOM_TYPE_ID, i,
7008                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7009                       GDI_X, x,
7010                       GDI_Y, y,
7011                       GDI_WIDTH, gd->width,
7012                       GDI_HEIGHT, gd->height,
7013                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7014                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7015                       GDI_CHECKED, checked,
7016                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7017                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7018                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7019                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7020                       GDI_EVENT_MASK, event_mask,
7021                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7022                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7023                       GDI_END);
7024
7025     if (gi == NULL)
7026       Error(ERR_EXIT, "cannot create gadget");
7027
7028     level_editor_gadget[id] = gi;
7029     right_gadget_border[id] =
7030       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7031   }
7032 }
7033
7034 void CreateLevelEditorGadgets()
7035 {
7036   /* force EDITOR font inside level editor */
7037   SetFontStatus(GAME_MODE_EDITOR);
7038
7039   /* these values are not constant, but can change at runtime */
7040   ed_fieldx = MAX_ED_FIELDX - 1;
7041   ed_fieldy = MAX_ED_FIELDY - 1;
7042
7043   num_editor_gadgets = NUM_EDITOR_GADGETS;
7044
7045   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7046
7047   level_editor_gadget =
7048     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7049   right_gadget_border =
7050     checked_calloc(num_editor_gadgets * sizeof(int));
7051
7052   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7053   editor_el_empty_ptr = editor_el_empty;
7054
7055   use_permanent_palette = !editor.palette.show_as_separate_screen;
7056
7057   ReinitializeElementList();
7058
7059   CreateControlButtons();
7060   CreateScrollbarGadgets();
7061
7062   /* order of function calls is important because of cross-references */
7063   CreateCheckbuttonGadgets();
7064   CreateCounterButtons();
7065   CreateRadiobuttonGadgets();
7066   CreateTextInputGadgets();
7067   CreateTextAreaGadgets();
7068   CreateSelectboxGadgets();
7069   CreateGraphicbuttonGadgets();
7070   CreateTextbuttonGadgets();
7071   CreateDrawingAreas();
7072
7073   ResetFontStatus();
7074 }
7075
7076 void FreeLevelEditorGadgets()
7077 {
7078   int i;
7079
7080   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7081
7082   for (i = 0; i < num_editor_gadgets; i++)
7083   {
7084     FreeGadget(level_editor_gadget[i]);
7085
7086     level_editor_gadget[i] = NULL;
7087   }
7088
7089   checked_free(level_editor_gadget);
7090   checked_free(right_gadget_border);
7091
7092   checked_free(editor_el_empty);
7093 }
7094
7095 static void MapCounterButtons(int id)
7096 {
7097   int font_nr = FONT_TEXT_1;
7098   int font_height = getFontHeight(font_nr);
7099   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7100   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7101   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7102   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7103   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7104   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7105   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7106   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7107   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7108   int yoffset = (gi_down->height - font_height) / 2;
7109   int x_left = gi_down->x - xoffset_left;
7110   int x_right;  /* set after gadget position was modified */
7111   int y_above = gi_down->y - yoffset_above;
7112   int x = gi_down->x;
7113   int y;        /* set after gadget position was modified */
7114
7115   /* counter limits must be changed first to prevent value truncation */
7116   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7117                             counterbutton_info[id].max_value);
7118
7119   /* right text position might have changed after setting position above */
7120   x_right = gi_up->x + gi_up->width + xoffset_right;
7121
7122   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7123
7124   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7125   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7126       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7127   {
7128     ModifyGadget(gi_down, GDI_Y,
7129                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7130     ModifyGadget(gi_text, GDI_Y,
7131                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7132     ModifyGadget(gi_up,   GDI_Y,
7133                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7134   }
7135
7136   /* vertical position might have changed after setting position above */
7137   y = gi_up->y + yoffset;
7138
7139   if (counterbutton_info[id].text_above)
7140     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7141
7142   if (counterbutton_info[id].text_left)
7143     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7144
7145   if (counterbutton_info[id].text_right)
7146     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7147
7148   MapGadget(gi_down);
7149   MapGadget(gi_text);
7150   MapGadget(gi_up);
7151 }
7152
7153 static void MapControlButtons()
7154 {
7155   int counter_id;
7156   int i;
7157
7158   /* map toolbox buttons (excluding special CE toolbox buttons) */
7159   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7160     MapGadget(level_editor_gadget[i]);
7161
7162   /* map toolbox buttons (element properties buttons) */
7163   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7164     MapGadget(level_editor_gadget[i]);
7165
7166   if (use_permanent_palette)
7167   {
7168     /* map buttons to select elements */
7169     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7170       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7171     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7172     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7173     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7174   }
7175
7176   /* map buttons to select level */
7177   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7178   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7179   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7180   MapCounterButtons(counter_id);
7181 }
7182
7183 static void MapDrawingArea(int id)
7184 {
7185   int font_nr = FONT_TEXT_1;
7186   int font_height = getFontHeight(font_nr);
7187   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7188   int area_xsize = gi->drawing.area_xsize;
7189   int area_ysize = gi->drawing.area_ysize;
7190   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7191   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7192   int x_left  = gi->x - xoffset_left;
7193   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7194   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7195   int y_side  = gi->y + (gi->height - font_height) / 2;
7196   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7197
7198   if (drawingarea_info[id].text_left)
7199     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7200
7201   if (drawingarea_info[id].text_right)
7202     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7203
7204   if (drawingarea_info[id].text_below)
7205     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7206
7207   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7208   {
7209     DrawElementBorder(gi->x, gi->y,
7210                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7211                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7212
7213     DrawDrawingArea(id);
7214   }
7215
7216   MapGadget(gi);
7217 }
7218
7219 static void MapTextInputGadget(int id)
7220 {
7221   int font_nr = FONT_TEXT_1;
7222   int font_height = getFontHeight(font_nr);
7223   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7224   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7225   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7226   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7227
7228   if (textinput_info[id].text_above)
7229     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7230
7231   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7232
7233   MapGadget(gi);
7234 }
7235
7236 static void MapTextAreaGadget(int id)
7237 {
7238   int font_nr = FONT_TEXT_1;
7239   int font_height = getFontHeight(font_nr);
7240   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7241   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7242   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7243   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7244
7245   if (textarea_info[id].text_above)
7246     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7247
7248   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7249
7250   MapGadget(gi);
7251 }
7252
7253 static void MapSelectboxGadget(int id)
7254 {
7255   int font_nr = FONT_TEXT_1;
7256   int font_height = getFontHeight(font_nr);
7257   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7258   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7259   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7260   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7261   int yoffset = (gi->height - font_height) / 2;
7262   int x_left = gi->x - xoffset_left;
7263   int x_right = gi->x + gi->width + xoffset_right;
7264   int y_above = gi->y - yoffset_above;
7265   int x = gi->x;
7266   int y = gi->y + yoffset;
7267
7268   if (selectbox_info[id].text_above)
7269     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7270
7271   if (selectbox_info[id].text_left)
7272     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7273
7274   if (selectbox_info[id].text_right)
7275     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7276
7277   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7278
7279   MapGadget(gi);
7280 }
7281
7282 static void MapTextbuttonGadget(int id)
7283 {
7284   int font_nr = FONT_TEXT_1;
7285   int font_height = getFontHeight(font_nr);
7286   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7287   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7288   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7289   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7290   int yoffset = (gi->height - font_height) / 2;
7291   int x_left = gi->x - xoffset_left;
7292   int x_right = gi->x + gi->width + xoffset_right;
7293   int y_above = gi->y - yoffset_above;
7294   int x = gi->x;
7295   int y = gi->y + yoffset;
7296
7297   /* only show button to delete change pages when more than minimum pages */
7298   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7299       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7300     return;
7301
7302   if (textbutton_info[id].text_above)
7303     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7304
7305   if (textbutton_info[id].text_left)
7306     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7307
7308   if (textbutton_info[id].text_right)
7309     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7310
7311   MapGadget(gi);
7312 }
7313
7314 static void MapGraphicbuttonGadget(int id)
7315 {
7316   int font_nr = FONT_TEXT_1;
7317   int font_height = getFontHeight(font_nr);
7318   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7319   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7320   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7321   int yoffset = (gi->height - font_height) / 2;
7322   int x_left = gi->x - xoffset_left;
7323   int x_right = gi->x + gi->width + xoffset_right;
7324   int y = gi->y + yoffset;
7325
7326   if (graphicbutton_info[id].text_left)
7327     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7328
7329   if (graphicbutton_info[id].text_right)
7330     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7331
7332   MapGadget(gi);
7333 }
7334
7335 static void MapRadiobuttonGadget(int id)
7336 {
7337   int font_nr = FONT_TEXT_1;
7338   int font_height = getFontHeight(font_nr);
7339   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7340   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7341   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7342   int yoffset = (gi->height - font_height) / 2;
7343   int x_left = gi->x - xoffset_left;
7344   int x_right = gi->x + gi->width + xoffset_right;
7345   int y = gi->y + yoffset;
7346   boolean checked =
7347     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7348
7349   if (radiobutton_info[id].text_left)
7350     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7351
7352   if (radiobutton_info[id].text_right)
7353     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7354
7355   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7356
7357   MapGadget(gi);
7358 }
7359
7360 static void MapCheckbuttonGadget(int id)
7361 {
7362   int font_nr = FONT_TEXT_1;
7363   int font_height = getFontHeight(font_nr);
7364   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7365   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7366   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7367   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7368   int yoffset = (gi->height - font_height) / 2;
7369   int y_above = gi->y - yoffset_above;
7370   int x = gi->x;
7371   int x_left, x_right, y;       /* set after gadget position was modified */
7372
7373   /* set position for gadgets with dynamically determined position */
7374   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7375     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7376   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7377
7378   x_left = gi->x - xoffset_left;
7379   x_right = gi->x + gi->width + xoffset_right;
7380   y = gi->y + yoffset;
7381
7382   if (checkbutton_info[id].text_above)
7383     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7384
7385   if (checkbutton_info[id].text_left)
7386     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7387
7388   if (checkbutton_info[id].text_right)
7389     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7390
7391   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7392
7393   MapGadget(gi);
7394 }
7395
7396 static void MapMainDrawingArea()
7397 {
7398   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7399   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7400   int i;
7401
7402   if (suppressBorderElement())
7403   {
7404     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7405     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7406   }
7407
7408   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7409   {
7410     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7411           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7412          no_horizontal_scrollbar) ||
7413         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7414           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7415          no_vertical_scrollbar))
7416       continue;
7417
7418     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7419   }
7420
7421   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7422   {
7423     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7424         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7425       continue;
7426
7427     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7428   }
7429
7430   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7431 }
7432
7433 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7434 {
7435   int i;
7436
7437   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7438   {
7439     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7440         i == GADGET_ID_CUSTOM_COPY_TO ||
7441         i == GADGET_ID_CUSTOM_EXCHANGE ||
7442         i == GADGET_ID_CUSTOM_COPY ||
7443         i == GADGET_ID_CUSTOM_PASTE)
7444     {
7445       if (map)
7446         MapGadget(level_editor_gadget[i]);
7447       else
7448         UnmapGadget(level_editor_gadget[i]);
7449     }
7450   }
7451 }
7452
7453 static void MapLevelEditorToolboxCustomGadgets()
7454 {
7455   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7456 }
7457
7458 static void UnmapLevelEditorToolboxCustomGadgets()
7459 {
7460   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7461 }
7462
7463 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7464 {
7465   int i;
7466
7467   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7468   {
7469     if (i != GADGET_ID_SINGLE_ITEMS &&
7470         i != GADGET_ID_PICK_ELEMENT)
7471     {
7472       struct GadgetInfo *gi = level_editor_gadget[i];
7473
7474       if (map)
7475       {
7476         MapGadget(gi);
7477       }
7478       else
7479       {
7480         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7481         struct GraphicInfo *gd = &graphic_info[graphic];
7482
7483         UnmapGadget(gi);
7484
7485         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7486                    gi->width, gi->height, gi->x, gi->y);
7487
7488         redraw_mask |= REDRAW_DOOR_3;
7489       }
7490     }
7491   }
7492 }
7493
7494 static void MapLevelEditorToolboxDrawingGadgets()
7495 {
7496   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7497 }
7498
7499 static void UnmapLevelEditorToolboxDrawingGadgets()
7500 {
7501   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7502 }
7503
7504 static void UnmapDrawingArea(int id)
7505 {
7506   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7507 }
7508
7509 static void UnmapLevelEditorFieldGadgets()
7510 {
7511   int i;
7512
7513   for (i = 0; i < num_editor_gadgets; i++)
7514     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7515                           level_editor_gadget[i]->y))
7516       UnmapGadget(level_editor_gadget[i]);
7517 }
7518
7519 void UnmapLevelEditorGadgets()
7520 {
7521   int i;
7522
7523   for (i = 0; i < num_editor_gadgets; i++)
7524     UnmapGadget(level_editor_gadget[i]);
7525 }
7526
7527 static void ResetUndoBuffer()
7528 {
7529   undo_buffer_position = -1;
7530   undo_buffer_steps = -1;
7531   redo_buffer_steps = 0;
7532
7533   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7534
7535   level.changed = FALSE;
7536 }
7537
7538 static void DrawEditModeWindow()
7539 {
7540   ModifyEditorElementList();
7541   RedrawDrawingElements();
7542
7543   if (edit_mode == ED_MODE_INFO)
7544     DrawLevelInfoWindow();
7545   else if (edit_mode == ED_MODE_PROPERTIES)
7546     DrawPropertiesWindow();
7547   else if (edit_mode == ED_MODE_PALETTE)
7548     DrawPaletteWindow();
7549   else  /* edit_mode == ED_MODE_DRAWING */
7550     DrawDrawingWindow();
7551 }
7552
7553 static void ChangeEditModeWindow(int new_edit_mode)
7554 {
7555   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7556
7557   DrawEditModeWindow();
7558 }
7559
7560 static boolean LevelChanged()
7561 {
7562   boolean field_changed = FALSE;
7563   int x, y;
7564
7565   for (y = 0; y < lev_fieldy; y++)
7566     for (x = 0; x < lev_fieldx; x++)
7567       if (Feld[x][y] != level.field[x][y])
7568         field_changed = TRUE;
7569
7570   return (level.changed || field_changed);
7571 }
7572
7573 static boolean PrepareSavingIntoPersonalLevelSet()
7574 {
7575   static LevelDirTree *last_copied_leveldir = NULL;
7576   static LevelDirTree *last_written_leveldir = NULL;
7577   static int last_copied_level_nr = -1;
7578   static int last_written_level_nr = -1;
7579   LevelDirTree *leveldir_former = leveldir_current;
7580   int level_nr_former = level_nr;
7581   int new_level_nr;
7582
7583   // remember last mod/save so that for current session, we write
7584   // back to the same personal copy, asking only about overwrite.
7585   if (leveldir_current == last_copied_leveldir &&
7586       level_nr == last_copied_level_nr)
7587   {
7588     // "cd" to personal level set dir (as used when writing last copy)
7589     leveldir_current = last_written_leveldir;
7590     level_nr = last_written_level_nr;
7591
7592     return TRUE;
7593   }
7594
7595   if (!Request("This level is read only! "
7596                "Save into personal level set?", REQ_ASK))
7597     return FALSE;
7598
7599   // "cd" to personal level set dir (for writing copy the first time)
7600   leveldir_current =
7601     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7602
7603   // find unused level number
7604   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7605   {
7606     static char *level_filename = NULL;
7607
7608     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7609
7610     if (!fileExists(level_filename))
7611       break;
7612   }
7613
7614   last_copied_leveldir = leveldir_former;
7615   last_copied_level_nr = level_nr_former;
7616
7617   last_written_leveldir = leveldir_current;
7618   last_written_level_nr = level_nr = new_level_nr;
7619
7620   return TRUE;
7621 }
7622
7623 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7624 {
7625   static char *filename_levelinfo = NULL, *mod_name = NULL;
7626   FILE *file;
7627
7628   // annotate this copy-and-mod in personal levelinfo.conf
7629   setString(&filename_levelinfo,
7630             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7631
7632   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7633   {
7634     fprintf(file, "\n");
7635     fprintf(file, "# level %d was modified from:\n", level_nr);
7636     fprintf(file, "# - previous level set name:    %s\n",
7637             former_name);
7638     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7639             level.file_info.nr, level.name);
7640     fprintf(file, "# - previous author:            %s\n",
7641             level.author);
7642     fprintf(file, "# - previous save date:         ");
7643
7644     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7645     {
7646       fprintf(file, "%04d-%02d-%02d\n",
7647               level.creation_date.year,
7648               level.creation_date.month,
7649               level.creation_date.day);
7650     }
7651     else
7652     {
7653       fprintf(file, "not recorded\n");
7654     }
7655
7656     fclose(file);
7657   }
7658
7659   if (level_nr > leveldir_current->last_level)
7660     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7661
7662   // else: allow the save even if annotation failed
7663
7664   // now... spray graffiti on the old level vital statistics
7665   // user can change these; just trying to set a good baseline
7666
7667   // don't truncate names for fear of making offensive or silly:
7668   // long-named original author only recorded in levelinfo.conf.
7669   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7670   if (!strEqual(level.author, leveldir_current->author))
7671   {
7672     setString(&mod_name, getStringCat3(leveldir_current->author,
7673                                        " after ", level.author));
7674
7675     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7676       setString(&mod_name,
7677                 getStringCat2(leveldir_current->author, " (ed.)"));
7678
7679     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7680       setString(&mod_name, leveldir_current->author);
7681
7682     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7683
7684     // less worried about truncation here
7685     setString(&mod_name, getStringCat2("Mod: ", level.name));
7686     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7687   }
7688 }
7689
7690 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7691                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7692 {
7693   int x, y;
7694
7695   for (x = 0; x < lev_fieldx; x++)
7696     for (y = 0; y < lev_fieldy; y++)
7697       dst[x][y] = src[x][y];
7698 }
7699
7700 static int setSelectboxValue(int selectbox_id, int new_value)
7701 {
7702   int new_index_value = 0;
7703   int i;
7704
7705   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7706     if (selectbox_info[selectbox_id].options[i].value == new_value)
7707       new_index_value = i;
7708
7709   *selectbox_info[selectbox_id].value =
7710     selectbox_info[selectbox_id].options[new_index_value].value;
7711
7712   return new_index_value;
7713 }
7714
7715 static void setSelectboxSpecialActionVariablesIfNeeded()
7716 {
7717   int i;
7718
7719   /* change action mode and arg variables according to action type variable */
7720   for (i = 0; action_arg_options[i].value != -1; i++)
7721   {
7722     if (action_arg_options[i].value == custom_element_change.action_type)
7723     {
7724       int mode = action_arg_options[i].mode;
7725
7726       /* only change if corresponding selectbox has changed */
7727       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7728           action_arg_modes[mode])
7729         custom_element_change.action_mode = -1;
7730
7731       /* only change if corresponding selectbox has changed */
7732       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7733           action_arg_options[i].options)
7734         custom_element_change.action_arg = -1;
7735
7736       break;
7737     }
7738   }
7739 }
7740
7741 static void setSelectboxSpecialActionOptions()
7742 {
7743   int i;
7744
7745   /* change action mode and arg selectbox according to action type selectbox */
7746   for (i = 0; action_arg_options[i].value != -1; i++)
7747   {
7748     if (action_arg_options[i].value == custom_element_change.action_type)
7749     {
7750       int mode = action_arg_options[i].mode;
7751
7752       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7753                                    action_arg_modes[mode]);
7754       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7755                                  custom_element_change.action_mode);
7756
7757       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7758                                    action_arg_options[i].options);
7759       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7760                                  custom_element_change.action_arg);
7761       break;
7762     }
7763   }
7764 }
7765
7766 static void copy_custom_element_settings(int element_from, int element_to)
7767 {
7768   struct ElementInfo *ei_from = &element_info[element_from];
7769   struct ElementInfo *ei_to = &element_info[element_to];
7770
7771   copyElementInfo(ei_from, ei_to);
7772 }
7773
7774 static void replace_custom_element_in_settings(int element_from,
7775                                                int element_to)
7776 {
7777   int i, j, x, y;
7778
7779   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7780   {
7781     struct ElementInfo *ei = &element_info[i];
7782
7783     for (y = 0; y < 3; y++)
7784       for (x = 0; x < 3; x++)
7785         if (ei->content.e[x][y] == element_from)
7786           ei->content.e[x][y] = element_to;
7787
7788     for (j = 0; j < ei->num_change_pages; j++)
7789     {
7790       struct ElementChangeInfo *change = &ei->change_page[j];
7791
7792       if (change->target_element == element_from)
7793         change->target_element = element_to;
7794
7795       if (change->initial_trigger_element == element_from)
7796         change->initial_trigger_element = element_to;
7797
7798       if (change->action_element == element_from)
7799         change->action_element = element_to;
7800
7801       for (y = 0; y < 3; y++)
7802         for (x = 0; x < 3; x++)
7803           if (change->target_content.e[x][y] == element_from)
7804             change->target_content.e[x][y] = element_to;
7805     }
7806
7807     if (ei->group != NULL)                              /* group or internal */
7808       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7809         if (ei->group->element[j] == element_from)
7810           ei->group->element[j] = element_to;
7811   }
7812 }
7813
7814 static void replace_custom_element_in_playfield(int element_from,
7815                                                 int element_to)
7816 {
7817   int x, y;
7818
7819   for (x = 0; x < lev_fieldx; x++)
7820     for (y = 0; y < lev_fieldy; y++)
7821       if (Feld[x][y] == element_from)
7822         Feld[x][y] = element_to;
7823 }
7824
7825 static boolean CopyCustomElement(int element_old, int element_new,
7826                                  int copy_mode)
7827 {
7828   int copy_mode_orig = copy_mode;
7829
7830   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7831   {
7832     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7833                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7834     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7835   }
7836   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7837   {
7838     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7839                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7840     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7841
7842     level.changed = TRUE;
7843   }
7844   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7845   {
7846     Request("Please choose custom element!", REQ_CONFIRM);
7847
7848     return FALSE;
7849   }
7850   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7851   {
7852     Request("Please choose group element!", REQ_CONFIRM);
7853
7854     return FALSE;
7855   }
7856   else
7857   {
7858     level.changed = TRUE;
7859   }
7860
7861   /* when modifying custom/group element, ask for copying level template */
7862   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7863   {
7864     if (!AskToCopyAndModifyLevelTemplate())
7865       return FALSE;
7866   }
7867
7868   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7869   {
7870     copy_custom_element_settings(element_new, element_old);
7871   }
7872   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7873   {
7874     copy_custom_element_settings(element_old, element_new);
7875   }
7876   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7877   {
7878     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7879     copy_custom_element_settings(element_new, element_old);
7880     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7881
7882     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7883     replace_custom_element_in_settings(element_new, element_old);
7884     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7885
7886     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7887     replace_custom_element_in_playfield(element_new, element_old);
7888     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7889   }
7890
7891   UpdateCustomElementGraphicGadgets();
7892   DrawPropertiesWindow();
7893
7894   return TRUE;
7895 }
7896
7897 static void CopyCustomElementPropertiesToEditor(int element)
7898 {
7899   int i;
7900   int current_change_page = element_info[element].current_change_page;
7901
7902   /* dynamically (re)build selectbox for selecting change page */
7903   for (i = 0; i < element_info[element].num_change_pages; i++)
7904   {
7905     sprintf(options_change_page_strings[i], "%d", i + 1);
7906
7907     options_change_page[i].value = i;
7908     options_change_page[i].text = options_change_page_strings[i];
7909   }
7910
7911   options_change_page[i].value = -1;
7912   options_change_page[i].text = NULL;
7913
7914   /* needed here to initialize combined element properties */
7915   InitElementPropertiesEngine(level.game_version);
7916
7917   element_info[element].change =
7918     &element_info[element].change_page[current_change_page];
7919
7920   custom_element = element_info[element];
7921   custom_element_change = *element_info[element].change;
7922
7923   /* needed to initially set selectbox options for special action options */
7924   setSelectboxSpecialActionOptions();
7925
7926   /* needed to initially set selectbox value variables to reliable defaults */
7927   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7928     setSelectboxValue(i, *selectbox_info[i].value);
7929
7930   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7931     custom_element_properties[i] = HAS_PROPERTY(element, i);
7932
7933   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7934     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7935
7936   /* ---------- element settings: configure (custom elements) ------------- */
7937
7938   /* set accessible layer selectbox help value */
7939   custom_element.access_type =
7940     (IS_WALKABLE(element) ? EP_WALKABLE :
7941      IS_PASSABLE(element) ? EP_PASSABLE :
7942      custom_element.access_type);
7943   custom_element.access_layer =
7944     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7945      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7946      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7947      custom_element.access_layer);
7948   custom_element.access_protected =
7949     (IS_PROTECTED(element) ? 1 : 0);
7950   custom_element_properties[EP_ACCESSIBLE] =
7951     (IS_ACCESSIBLE_OVER(element) ||
7952      IS_ACCESSIBLE_INSIDE(element) ||
7953      IS_ACCESSIBLE_UNDER(element));
7954
7955   /* set walk-to-object action selectbox help value */
7956   custom_element.walk_to_action =
7957     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7958      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7959      IS_DROPPABLE(element) ? EP_DROPPABLE :
7960      IS_THROWABLE(element) ? EP_THROWABLE :
7961      IS_PUSHABLE(element) ? EP_PUSHABLE :
7962      custom_element.walk_to_action);
7963   custom_element_properties[EP_WALK_TO_OBJECT] =
7964     (IS_DIGGABLE(element) ||
7965      IS_COLLECTIBLE_ONLY(element) ||
7966      IS_DROPPABLE(element) ||
7967      IS_THROWABLE(element) ||
7968      IS_PUSHABLE(element));
7969
7970   /* set smash targets selectbox help value */
7971   custom_element.smash_targets =
7972     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7973      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7974      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7975      custom_element.smash_targets);
7976   custom_element_properties[EP_CAN_SMASH] =
7977     (CAN_SMASH_EVERYTHING(element) ||
7978      CAN_SMASH_ENEMIES(element) ||
7979      CAN_SMASH_PLAYER(element));
7980
7981   /* set deadliness selectbox help value */
7982   custom_element.deadliness =
7983     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7984      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7985      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7986      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7987      custom_element.deadliness);
7988   custom_element_properties[EP_DEADLY] =
7989     (DONT_TOUCH(element) ||
7990      DONT_GET_HIT_BY(element) ||
7991      DONT_COLLIDE_WITH(element) ||
7992      DONT_RUN_INTO(element));
7993
7994   /* ---------- element settings: advanced (custom elements) --------------- */
7995
7996   /* set "change by direct action" selectbox help value */
7997   custom_element_change.direct_action =
7998     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
7999      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8000      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8001      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8002      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8003      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8004      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8005      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8006      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8007      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8008      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8009      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8010      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8011      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8012      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8013      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8014      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8015      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8016      custom_element_change.direct_action);
8017
8018   /* set "change by other element action" selectbox help value */
8019   custom_element_change.other_action =
8020     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8021      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8022      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8023      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8024      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8025      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8026      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8027      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8028      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8029      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8030      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8031      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8032      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8033      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8034      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8035      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8036      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8037      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8038      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8039      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8040      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8041      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8042      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8043      custom_element_change.other_action);
8044 }
8045
8046 static void CopyGroupElementPropertiesToEditor(int element)
8047 {
8048   group_element_info = *element_info[element].group;
8049   custom_element = element_info[element];       /* needed for description */
8050 }
8051
8052 static void CopyClassicElementPropertiesToEditor(int element)
8053 {
8054   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8055     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8056       getMoveIntoAcidProperty(&level, element);
8057
8058   if (MAYBE_DONT_COLLIDE_WITH(element))
8059     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8060       getDontCollideWithProperty(&level, element);
8061 }
8062
8063 static void CopyElementPropertiesToEditor(int element)
8064 {
8065   if (IS_CUSTOM_ELEMENT(element))
8066     CopyCustomElementPropertiesToEditor(element);
8067   else if (IS_GROUP_ELEMENT(element))
8068     CopyGroupElementPropertiesToEditor(element);
8069   else
8070     CopyClassicElementPropertiesToEditor(element);
8071 }
8072
8073 static boolean AskToCopyAndModifyLevelTemplate()
8074 {
8075   if (Request("Copy and modify settings from level template?", REQ_ASK))
8076   {
8077     level.use_custom_template = FALSE;
8078
8079     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8080                  GDI_CHECKED, FALSE, GDI_END);
8081     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8082                  GDI_CHECKED, FALSE, GDI_END);
8083
8084     return TRUE;
8085   }
8086   else
8087   {
8088     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8089
8090     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8091
8092     return FALSE;
8093   }
8094 }
8095
8096 static void CopyCustomElementPropertiesToGame(int element)
8097 {
8098   int i;
8099   int access_type_and_layer;
8100
8101   /* mark that this custom element has been modified */
8102   custom_element.modified_settings = TRUE;
8103   level.changed = TRUE;
8104
8105   if (level.use_custom_template)
8106     AskToCopyAndModifyLevelTemplate();
8107
8108   element_info[element] = custom_element;
8109   *element_info[element].change = custom_element_change;
8110
8111   /* ---------- element settings: configure (custom elements) ------------- */
8112
8113   /* set accessible property from checkbox and selectbox */
8114   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8115   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8116   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8117   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8118   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8119   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8120   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8121                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8122                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8123   custom_element_properties[access_type_and_layer] =
8124     custom_element_properties[EP_ACCESSIBLE];
8125   custom_element_properties[EP_PROTECTED] =
8126     (custom_element.access_protected != 0 &&
8127      custom_element_properties[EP_ACCESSIBLE]);
8128
8129   /* set walk-to-object property from checkbox and selectbox */
8130   custom_element_properties[EP_DIGGABLE] = FALSE;
8131   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8132   custom_element_properties[EP_DROPPABLE] = FALSE;
8133   custom_element_properties[EP_THROWABLE] = FALSE;
8134   custom_element_properties[EP_PUSHABLE] = FALSE;
8135   custom_element_properties[custom_element.walk_to_action] =
8136     custom_element_properties[EP_WALK_TO_OBJECT];
8137
8138   /* set smash property from checkbox and selectbox */
8139   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8140   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8141   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8142   custom_element_properties[custom_element.smash_targets] =
8143     custom_element_properties[EP_CAN_SMASH];
8144
8145   /* set deadliness property from checkbox and selectbox */
8146   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8147   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8148   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8149   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8150   custom_element_properties[custom_element.deadliness] =
8151     custom_element_properties[EP_DEADLY];
8152
8153   /* ---------- element settings: advanced (custom elements) --------------- */
8154
8155   /* set player change event from checkbox and selectbox */
8156   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8157   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8158   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8159   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8160   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8161   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8162   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8163   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8164   custom_element_change_events[CE_SWITCHED] = FALSE;
8165   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8166   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8167   custom_element_change_events[CE_BLOCKED] = FALSE;
8168   custom_element_change_events[CE_IMPACT] = FALSE;
8169   custom_element_change_events[CE_SMASHED] = FALSE;
8170   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8171   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8172   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8173   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8174   custom_element_change_events[custom_element_change.direct_action] =
8175     custom_element_change_events[CE_BY_DIRECT_ACTION];
8176
8177   /* set other element action change event from checkbox and selectbox */
8178   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8179   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8180   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8181   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8182   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8183   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8184   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8185   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8186   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8187   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8188   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8189   custom_element_change_events[CE_HITTING_X] = FALSE;
8190   custom_element_change_events[CE_DIGGING_X] = FALSE;
8191   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8192   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8193   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8194   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8195   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8196   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8197   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8198   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8199   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8200   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8201   custom_element_change_events[custom_element_change.other_action] =
8202     custom_element_change_events[CE_BY_OTHER_ACTION];
8203
8204   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8205     SET_PROPERTY(element, i, custom_element_properties[i]);
8206
8207   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8208     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8209
8210   /* copy change events also to special level editor variable */
8211   custom_element = element_info[element];
8212   custom_element_change = *element_info[element].change;
8213 }
8214
8215 static void CopyGroupElementPropertiesToGame(int element)
8216 {
8217   /* mark that this group element has been modified */
8218   custom_element.modified_settings = TRUE;
8219   level.changed = TRUE;
8220
8221   if (level.use_custom_template)
8222     AskToCopyAndModifyLevelTemplate();
8223
8224   element_info[element] = custom_element;
8225   *element_info[element].group = group_element_info;
8226 }
8227
8228 static void CopyClassicElementPropertiesToGame(int element)
8229 {
8230   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8231     setMoveIntoAcidProperty(&level, element,
8232                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8233
8234   if (MAYBE_DONT_COLLIDE_WITH(element))
8235     setDontCollideWithProperty(&level, element,
8236                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8237 }
8238
8239 static void CopyElementPropertiesToGame(int element)
8240 {
8241   if (IS_CUSTOM_ELEMENT(element))
8242     CopyCustomElementPropertiesToGame(element);
8243   else if (IS_GROUP_ELEMENT(element))
8244     CopyGroupElementPropertiesToGame(element);
8245   else
8246     CopyClassicElementPropertiesToGame(element);
8247 }
8248
8249 void CheckElementDescriptions()
8250 {
8251   int i;
8252
8253   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8254     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8255       Error(ERR_WARN, "no element description file for element '%s'",
8256             EL_NAME(i));
8257 }
8258
8259 static int getMaxEdFieldX(boolean has_scrollbar)
8260 {
8261   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8262   int sxsize = SXSIZE - scrollbar_width;
8263   int max_ed_fieldx = sxsize / ed_tilesize;
8264
8265   return max_ed_fieldx;
8266 }
8267
8268 static int getMaxEdFieldY(boolean has_scrollbar)
8269 {
8270   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8271                          INFOTEXT_YSIZE_FULL : 0);
8272   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8273   int sysize = SYSIZE - scrollbar_height - infotext_height;
8274   int max_ed_fieldy = sysize / ed_tilesize;
8275
8276   return max_ed_fieldy;
8277 }
8278
8279 void InitZoomLevelSettings(int zoom_tilesize)
8280 {
8281   if (zoom_tilesize == -1)
8282   {
8283     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8284
8285     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8286       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8287   }
8288
8289   // limit zoom tilesize by upper and lower bound
8290   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8291
8292   // store zoom tilesize in auto setup file only if it was manually changed
8293   if (zoom_tilesize != -1)
8294     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8295
8296   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8297   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8298 }
8299
8300 static void InitLevelSetInfo()
8301 {
8302   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8303            "%s", leveldir_current->name);
8304   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8305            "%s", leveldir_current->author);
8306
8307   levelset_num_levels = leveldir_current->levels;
8308
8309   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8310 }
8311
8312 static void ChangeEditorToLevelSet(char *levelset_subdir)
8313 {
8314   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8315
8316   // the previous level set might have used custom artwork
8317   ReloadCustomArtwork(0);
8318
8319   LoadLevelSetup_SeriesInfo();
8320
8321   SaveLevelSetup_LastSeries();
8322   SaveLevelSetup_SeriesInfo();
8323
8324   TapeErase();
8325
8326   LoadLevel(level_nr);
8327   LoadScore(level_nr);
8328
8329   DrawLevelEd();
8330 }
8331
8332 static boolean useEditorDoorAnimation()
8333 {
8334   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8335   boolean door_1_viewport_unchanged =
8336     (vp_door_1->x      == DX     &&
8337      vp_door_1->y      == DY     &&
8338      vp_door_1->width  == DXSIZE &&
8339      vp_door_1->height == DYSIZE);
8340   boolean door_1_contains_toolbox =
8341     (EX >= DX &&
8342      EY >= DY &&
8343      EX + EXSIZE <= DX + DXSIZE &&
8344      EY + EYSIZE <= DY + DYSIZE);
8345
8346   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8347 }
8348
8349 void DrawEditorDoorContent()
8350 {
8351   /* needed for gadgets drawn on background (like palette scrollbar) */
8352   SetDoorBackgroundImage(IMG_UNDEFINED);
8353
8354   /* copy default editor door content to main double buffer */
8355   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8356              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8357              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8358              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8359              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8360              DX, DY);
8361
8362   /* draw bigger door */
8363   DrawSpecialEditorDoor();
8364
8365   /* draw new control window */
8366   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8367              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8368              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8369              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8370              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8371              EX, EY);
8372
8373   /* draw all toolbox gadgets to editor doors */
8374   MapControlButtons();
8375
8376   /* draw all palette gadgets to editor doors */
8377   ModifyEditorElementList();
8378   RedrawDrawingElements();
8379
8380   /* copy actual editor door content to door double buffer for OpenDoor() */
8381   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8382 }
8383
8384 void DrawLevelEd()
8385 {
8386   int fade_mask = REDRAW_FIELD;
8387
8388   FadeSoundsAndMusic();
8389
8390   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8391     fade_mask = REDRAW_ALL;
8392
8393   FadeOut(fade_mask);
8394
8395   /* needed if different viewport properties defined for editor */
8396   ChangeViewportPropertiesIfNeeded();
8397
8398   ClearField();
8399
8400   InitZoomLevelSettings(-1);
8401   InitLevelSetInfo();
8402
8403 #if DEBUG
8404   CheckElementDescriptions();
8405 #endif
8406
8407   if (level_editor_test_game)
8408   {
8409     CopyPlayfield(level.field, Feld);
8410     CopyPlayfield(FieldBackup, level.field);
8411
8412     level_editor_test_game = FALSE;
8413   }
8414   else
8415   {
8416     edit_mode = ED_MODE_DRAWING;
8417     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8418     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8419
8420     ResetUndoBuffer();
8421
8422     level_xpos = -1;
8423     level_ypos = -1;
8424   }
8425
8426   // redraw_mask |= REDRAW_ALL;
8427
8428   FreeLevelEditorGadgets();
8429   CreateLevelEditorGadgets();
8430
8431   ReinitializeElementList();            /* update dynamic level element list */
8432   ReinitializeElementListButtons();     /* custom element may look different */
8433
8434   InitElementPropertiesGfxElement();
8435
8436   UnmapAllGadgets();
8437
8438   DrawDrawingWindow_PlayfieldOnly();
8439
8440   DrawMaskedBorder(fade_mask);
8441
8442   // use door animation if door 1 viewport is unchanged and contains toolbox
8443   if (useEditorDoorAnimation())
8444   {
8445     FadeIn(fade_mask);
8446
8447     DrawEditorDoorContent();
8448
8449     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8450   }
8451   else
8452   {
8453     DrawEditorDoorContent();
8454
8455     FadeIn(fade_mask);
8456   }
8457
8458   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8459 }
8460
8461 static void AdjustDrawingAreaGadgets()
8462 {
8463   int ed_xsize = lev_fieldx + 2;
8464   int ed_ysize = lev_fieldy + 2;
8465   int max_ed_fieldx = MAX_ED_FIELDX;
8466   int max_ed_fieldy = MAX_ED_FIELDY;
8467   boolean horizontal_scrollbar_needed;
8468   boolean vertical_scrollbar_needed;
8469   int x, y, width, height;
8470
8471   if (suppressBorderElement())
8472   {
8473     ed_xsize = max_ed_fieldx;
8474     ed_ysize = max_ed_fieldy;
8475   }
8476
8477   /* check if we need any scrollbars */
8478   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8479   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8480
8481   /* check if we have a smaller editor field because of scrollbars */
8482   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8483   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8484
8485   /* check again if we now need more scrollbars because of less space */
8486   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8487   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8488
8489   /* check if editor field gets even smaller after adding new scrollbars */
8490   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8491   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8492
8493   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8494   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8495
8496   x = SX + ed_fieldx * ed_tilesize;
8497   y = SY + ed_fieldy * ed_tilesize;
8498
8499   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8500   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8501
8502   /* adjust drawing area gadget */
8503   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8504                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8505                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8506                GDI_END);
8507
8508   /* adjust horizontal scrollbar gadgets */
8509   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8510                GDI_Y, y,
8511                GDI_END);
8512   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8513                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8514                GDI_Y, y,
8515                GDI_END);
8516   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8517                GDI_Y, y,
8518                GDI_WIDTH, width,
8519                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8520                GDI_END);
8521
8522   /* adjust vertical scrollbar gadgets */
8523   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8524                GDI_X, x,
8525                GDI_END);
8526   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8527                GDI_X, x,
8528                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8529                GDI_END);
8530   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8531                GDI_X, x,
8532                GDI_HEIGHT, height,
8533                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8534                GDI_END);
8535 }
8536
8537 static void AdjustLevelScrollPosition()
8538 {
8539   if (level_xpos < -1)
8540     level_xpos = -1;
8541   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8542     level_xpos = lev_fieldx - ed_fieldx + 1;
8543   if (lev_fieldx < ed_fieldx - 2)
8544     level_xpos = -1;
8545
8546   if (level_ypos < -1)
8547     level_ypos = -1;
8548   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8549     level_ypos = lev_fieldy - ed_fieldy + 1;
8550   if (lev_fieldy < ed_fieldy - 2)
8551     level_ypos = -1;
8552
8553   if (suppressBorderElement())
8554   {
8555     level_xpos = 0;
8556     level_ypos = 0;
8557   }
8558 }
8559
8560 static void AdjustEditorScrollbar(int id)
8561 {
8562   struct GadgetInfo *gi = level_editor_gadget[id];
8563   int items_max, items_visible, item_position;
8564
8565   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8566   {
8567     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8568     items_visible = ed_fieldx;
8569     item_position = level_xpos + 1;
8570   }
8571   else
8572   {
8573     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8574     items_visible = ed_fieldy;
8575     item_position = level_ypos + 1;
8576   }
8577
8578   if (item_position > items_max - items_visible)
8579     item_position = items_max - items_visible;
8580
8581   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8582                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8583 }
8584
8585 static void AdjustElementListScrollbar()
8586 {
8587   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8588   int items_max, items_visible, item_position;
8589
8590   /* correct position of element list scrollbar */
8591   if (element_shift < 0)
8592     element_shift = 0;
8593   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8594     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8595
8596   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8597   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8598   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8599
8600   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8601                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8602                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8603 }
8604
8605 static void ModifyEditorCounterValue(int counter_id, int new_value)
8606 {
8607   int *counter_value = counterbutton_info[counter_id].value;
8608   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8609   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8610
8611   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8612
8613   if (counter_value != NULL)
8614     *counter_value = gi->textinput.number_value;
8615 }
8616
8617 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8618 {
8619   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8620   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8621
8622   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8623
8624   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8625       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8626   {
8627     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8628     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8629
8630     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8631     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8632                  GDI_END);
8633   }
8634 }
8635
8636 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8637 {
8638   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8639   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8640   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8641
8642   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8643 }
8644
8645 static void ModifyEditorSelectboxOptions(int selectbox_id,
8646                                          struct ValueTextInfo *options)
8647 {
8648   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8649   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8650
8651   selectbox_info[selectbox_id].options = options;
8652
8653   /* set index to zero -- list may be shorter now (correct later, if needed) */
8654   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8655                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8656 }
8657
8658 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8659 {
8660   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8661   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8662
8663   drawingarea_info[drawingarea_id].area_xsize = xsize;
8664   drawingarea_info[drawingarea_id].area_ysize = ysize;
8665
8666   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8667 }
8668
8669 static void ModifyEditorElementList()
8670 {
8671   int i;
8672
8673   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8674     return;
8675
8676   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8677   {
8678     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8679     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8680     struct GadgetDesign *gd = &gi->deco.design;
8681     int element = editor_elements[element_shift + i];
8682     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8683
8684     UnmapGadget(gi);
8685
8686     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8687
8688     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8689
8690     MapGadget(gi);
8691   }
8692 }
8693
8694 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8695 {
8696   int graphic = el2edimg(element);
8697   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8698
8699   if (pos->x == -1 &&
8700       pos->y == -1)
8701     return;
8702
8703   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8704 }
8705
8706 static void ModifyDrawingElementButton(int element, int id)
8707 {
8708   struct GadgetInfo *gi = level_editor_gadget[id];
8709   Bitmap *deco_bitmap;
8710   int deco_x, deco_y;
8711   int tile_size = gi->deco.width;
8712
8713   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8714
8715   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8716 }
8717
8718 static void PickDrawingElement(int button, int element)
8719 {
8720   struct
8721   {
8722     int *new_element;
8723     struct XYTileSize *pos;
8724     int id;
8725   } de, drawing_elements[] =
8726   {
8727     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8728     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8729     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8730   };
8731
8732   if (button < 1 || button > 3)
8733     return;
8734
8735   if (IS_MM_WALL(element))
8736     element = map_mm_wall_element(element);
8737
8738   de = drawing_elements[button - 1];
8739
8740   *de.new_element = element;    // update global drawing element variable
8741
8742   DrawDrawingElementGraphic(element, de.pos);
8743   ModifyDrawingElementButton(element, de.id);
8744
8745   redraw_mask |= REDRAW_DOOR_1;
8746 }
8747
8748 static void RedrawDrawingElements()
8749 {
8750   PickDrawingElement(1, new_element1);
8751   PickDrawingElement(2, new_element2);
8752   PickDrawingElement(3, new_element3);
8753 }
8754
8755 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8756 {
8757   stick_element_properties_window = FALSE;
8758
8759   SetMainBackgroundImage(IMG_UNDEFINED);
8760   ClearField();
8761
8762   UnmapLevelEditorFieldGadgets();
8763
8764   AdjustDrawingAreaGadgets();
8765   AdjustLevelScrollPosition();
8766   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8767   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8768
8769   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8770
8771   MapMainDrawingArea();
8772
8773   if (remap_toolbox_gadgets)
8774   {
8775     UnmapLevelEditorToolboxCustomGadgets();
8776     MapLevelEditorToolboxDrawingGadgets();
8777   }
8778 }
8779
8780 static void DrawDrawingWindow()
8781 {
8782   DrawDrawingWindowExt(TRUE);
8783 }
8784
8785 static void DrawDrawingWindow_PlayfieldOnly()
8786 {
8787   DrawDrawingWindowExt(FALSE);
8788 }
8789
8790 static int getTabulatorBarWidth()
8791 {
8792   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8793   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8794
8795   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8796 }
8797
8798 static int getTabulatorBarHeight()
8799 {
8800   return ED_TAB_BAR_HEIGHT;
8801 }
8802
8803 static Pixel getTabulatorBarColor()
8804 {
8805   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8806   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8807   int gd_x = gd->x + gd_gi1->border.width / 2;
8808   int gd_y = gd->y + gd_gi1->height - 1;
8809
8810   return GetPixel(gd->bitmap, gd_x, gd_y);
8811 }
8812
8813 static void DrawLevelInfoTabulatorGadgets()
8814 {
8815   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8816   Pixel tab_color = getTabulatorBarColor();
8817   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8818   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8819   int i;
8820
8821   for (i = id_first; i <= id_last; i++)
8822   {
8823     int gadget_id = textbutton_info[i].gadget_id;
8824     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8825     boolean active = (i != edit_mode_levelinfo);
8826
8827     /* draw background line below tabulator button */
8828     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8829
8830     /* draw solid line below inactive tabulator buttons */
8831     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8832       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8833                     ED_GADGET_TINY_DISTANCE, tab_color);
8834
8835     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8836     MapTextbuttonGadget(i);
8837   }
8838
8839   /* draw little border line below tabulator buttons */
8840   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8841     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8842                   ED_GADGET_TINY_DISTANCE,
8843                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8844 }
8845
8846 static void DrawPropertiesTabulatorGadgets()
8847 {
8848   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8849   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8850   int gd_x = gd->x + gd_gi1->border.width / 2;
8851   int gd_y = gd->y + gd_gi1->height - 1;
8852   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8853   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8854   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8855   int i;
8856
8857   /* draw two config tabulators for player elements */
8858   if (ELEM_IS_PLAYER(properties_element))
8859     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8860
8861   /* draw two config and one "change" tabulator for custom elements */
8862   if (IS_CUSTOM_ELEMENT(properties_element))
8863     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8864
8865   for (i = id_first; i <= id_last; i++)
8866   {
8867     int gadget_id = textbutton_info[i].gadget_id;
8868     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8869     boolean active = (i != edit_mode_properties);
8870
8871     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8872     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8873         (ELEM_IS_PLAYER(properties_element) ||
8874          IS_CUSTOM_ELEMENT(properties_element)))
8875       continue;
8876
8877     /* draw background line below tabulator button */
8878     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8879
8880     /* draw solid line below inactive tabulator buttons */
8881     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8882       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8883                     ED_GADGET_TINY_DISTANCE, tab_color);
8884
8885     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8886     MapTextbuttonGadget(i);
8887   }
8888
8889   /* draw little border line below tabulator buttons */
8890   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8891     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8892                   ED_GADGET_TINY_DISTANCE,
8893                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8894 }
8895
8896 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8897 {
8898   DrawText(SX + xpos, SY + ypos, text, font_nr);
8899 }
8900
8901 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8902                                            int xpos, int ypos)
8903 {
8904   int font_width = getFontWidth(font_nr);
8905   int font_height = getFontHeight(font_nr);
8906   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8907   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8908
8909   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8910                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8911                       TRUE, FALSE, FALSE);
8912 }
8913
8914 static void DrawLevelInfoLevel()
8915 {
8916   int i;
8917
8918   /* draw counter gadgets */
8919   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8920     MapCounterButtons(i);
8921
8922   /* draw checkbutton gadgets */
8923   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8924     MapCheckbuttonGadget(i);
8925
8926   /* draw selectbox gadgets */
8927   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8928     MapSelectboxGadget(i);
8929
8930   /* draw text input gadgets */
8931   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8932     MapTextInputGadget(i);
8933 }
8934
8935 static char *getLevelSubdirFromSaveMode(int save_mode)
8936 {
8937   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8938     return getNewUserLevelSubdir();
8939
8940   return leveldir_current->subdir;
8941 }
8942
8943 static void DrawLevelInfoLevelSet_DirectoryInfo()
8944 {
8945   char *directory_text = "Level set directory:";
8946   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
8947   int font1_nr = FONT_TEXT_1;
8948   int font2_nr = FONT_TEXT_2;
8949   int font1_height = getFontHeight(font1_nr);
8950   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
8951   int x = ED_LEVEL_SETTINGS_X(0);
8952   int y = ED_LEVEL_SETTINGS_Y(6);
8953
8954   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
8955   PrintInfoText(directory_name, font2_nr, x, y);
8956 }
8957
8958 static void DrawLevelInfoLevelSet()
8959 {
8960   int i;
8961
8962   /* draw counter gadgets */
8963   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
8964     MapCounterButtons(i);
8965
8966   /* draw selectbox gadgets */
8967   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
8968     MapSelectboxGadget(i);
8969
8970   /* draw text input gadgets */
8971   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
8972     MapTextInputGadget(i);
8973
8974   /* draw textbutton gadgets */
8975   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
8976
8977   /* draw info text */
8978   DrawLevelInfoLevelSet_DirectoryInfo();
8979 }
8980
8981 static void DrawLevelInfoEditor()
8982 {
8983   int i;
8984
8985   /* draw counter gadgets */
8986   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8987     MapCounterButtons(i);
8988
8989   /* draw checkbutton gadgets */
8990   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8991     MapCheckbuttonGadget(i);
8992
8993   /* draw radiobutton gadgets */
8994   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
8995     MapRadiobuttonGadget(i);
8996
8997   /* draw drawing area */
8998   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
8999
9000   /* draw textbutton gadgets */
9001   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9002 }
9003
9004 static void DrawLevelInfoWindow()
9005 {
9006   char *text = "Global Settings";
9007   int font_nr = FONT_TITLE_1;
9008   struct MenuPosInfo *pos = &editor.settings.headline;
9009   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9010   int sy = SY + pos->y;
9011
9012   stick_element_properties_window = FALSE;
9013
9014   SetAutomaticNumberOfGemsNeeded();
9015
9016   UnmapLevelEditorFieldGadgets();
9017
9018   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9019   ClearField();
9020
9021   DrawText(sx, sy, text, font_nr);
9022
9023   DrawLevelInfoTabulatorGadgets();
9024
9025   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9026     DrawLevelInfoLevel();
9027   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9028     DrawLevelInfoLevelSet();
9029   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9030     DrawLevelInfoEditor();
9031 }
9032
9033 static void DrawCustomContentArea()
9034 {
9035   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9036   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9037   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9038   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9039   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9040   int xoffset = ED_GADGET_SPACE_DISTANCE;
9041
9042   /* add distance for potential left text (without drawing area border) */
9043   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9044
9045   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9046
9047   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9048 }
9049
9050 static void DrawCustomChangeContentArea()
9051 {
9052   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9053   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9054   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9055   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9056   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9057   int xoffset = ED_GADGET_SPACE_DISTANCE;
9058
9059   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9060
9061   MapDrawingArea(id);
9062 }
9063
9064 static void RemoveElementContentArea(int id, int font_height)
9065 {
9066   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9067
9068   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9069                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9070                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9071                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9072                  ED_GADGET_TEXT_DISTANCE + font_height);
9073 }
9074
9075 static void DrawYamYamContentAreas()
9076 {
9077   int font_nr = FONT_TEXT_1;
9078   int font_height = getFontHeight(font_nr);
9079   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9080   int yoffset = (tilesize - font_height) / 2;
9081   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9082   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9083   int i;
9084
9085   /* display counter to choose number of element content areas */
9086   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9087
9088   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9089   {
9090     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9091
9092     if (i < level.num_yamyam_contents)
9093     {
9094       MapDrawingArea(id);
9095     }
9096     else
9097     {
9098       UnmapDrawingArea(id);
9099
9100       /* delete content areas in case of reducing number of them */
9101       RemoveElementContentArea(id, font_height);
9102     }
9103   }
9104
9105   DrawText(x, y + 0 * tilesize, "content", font_nr);
9106   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9107   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9108 }
9109
9110 static void DrawMagicBallContentAreas()
9111 {
9112   int font_nr = FONT_TEXT_1;
9113   int font_height = getFontHeight(font_nr);
9114   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9115   int yoffset = (tilesize - font_height) / 2;
9116   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9117   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9118   int i;
9119
9120   /* display counter to choose number of element content areas */
9121   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9122
9123   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9124   {
9125     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9126
9127     if (i < level.num_ball_contents)
9128     {
9129       MapDrawingArea(id);
9130     }
9131     else
9132     {
9133       UnmapDrawingArea(id);
9134
9135       /* delete content areas in case of reducing number of them */
9136       RemoveElementContentArea(id, font_height);
9137     }
9138   }
9139
9140   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9141   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9142   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9143 }
9144
9145 static void DrawAndroidElementArea(int element)
9146 {
9147   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9148   int num_elements = level.num_android_clone_elements;
9149   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9150   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9151   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9152   int xsize = MAX_ANDROID_ELEMENTS;
9153   int ysize = 1;
9154
9155   /* display counter to choose number of element areas */
9156   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9157
9158   if (drawingarea_info[id].text_left != NULL)
9159     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9160
9161   UnmapDrawingArea(id);
9162
9163   ModifyEditorDrawingArea(id, num_elements, 1);
9164
9165   /* delete content areas in case of reducing number of them */
9166   DrawBackground(sx, sy,
9167                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9168                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9169
9170   MapDrawingArea(id);
9171 }
9172
9173 static void DrawGroupElementArea(int element)
9174 {
9175   int id = ED_DRAWING_ID_GROUP_CONTENT;
9176   int num_elements = group_element_info.num_elements;
9177   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9178   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9179   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9180   int xsize = MAX_ELEMENTS_IN_GROUP;
9181   int ysize = 1;
9182
9183   if (drawingarea_info[id].text_left != NULL)
9184     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9185
9186   UnmapDrawingArea(id);
9187
9188   ModifyEditorDrawingArea(id, num_elements, 1);
9189
9190   /* delete content areas in case of reducing number of them */
9191   DrawBackground(sx, sy,
9192                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9193                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9194
9195   MapDrawingArea(id);
9196 }
9197
9198 static void DrawPlayerInitialInventoryArea(int element)
9199 {
9200   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9201   int player_nr = GET_PLAYER_NR(element);
9202   int num_elements = level.initial_inventory_size[player_nr];
9203   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9204   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9205   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9206   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9207   int ysize = 1;
9208
9209   /* determine horizontal position to the right of specified gadget */
9210   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9211     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9212           ED_DRAWINGAREA_TEXT_DISTANCE);
9213
9214   /* determine horizontal offset for leading text */
9215   if (drawingarea_info[id].text_left != NULL)
9216     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9217
9218   UnmapDrawingArea(id);
9219
9220   ModifyEditorDrawingArea(id, num_elements, 1);
9221
9222   /* delete content areas in case of reducing number of them */
9223   DrawBackground(sx, sy,
9224                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9225                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9226
9227   MapDrawingArea(id);
9228 }
9229
9230 static void DrawEnvelopeTextArea(int envelope_nr)
9231 {
9232   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9233   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9234
9235   UnmapGadget(gi);
9236   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9237
9238   if (envelope_nr != -1)
9239     textarea_info[id].value = level.envelope[envelope_nr].text;
9240
9241   ModifyGadget(gi, GDI_AREA_SIZE,
9242                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9243                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9244                GDI_END);
9245
9246   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9247 }
9248
9249 static void DrawPropertiesInfo()
9250 {
9251   static struct
9252   {
9253     int value;
9254     char *text;
9255   }
9256   properties[] =
9257   {
9258     /* configurable properties */
9259
9260     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9261     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9262     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9263     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9264     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9265     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9266     { EP_PROTECTED,             "- player is protected by it"           },
9267
9268     { EP_DIGGABLE,              "- can be digged away"                  },
9269     { EP_COLLECTIBLE,           "- can be collected"                    },
9270     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9271     { EP_THROWABLE,             "- can be thrown after collecting"      },
9272     { EP_PUSHABLE,              "- can be pushed"                       },
9273
9274     { EP_CAN_FALL,              "- can fall"                            },
9275     { EP_CAN_MOVE,              "- can move"                            },
9276
9277     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9278 #if 0
9279     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9280 #endif
9281     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9282
9283     { EP_SLIPPERY,              "- slippery for falling elements"       },
9284     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9285
9286     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9287     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9288     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9289     { EP_DONT_TOUCH,            "- deadly when touching"                },
9290
9291     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9292
9293     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9294     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9295     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9296
9297     { EP_CAN_CHANGE,            "- can change to other element"         },
9298
9299     /* pre-defined properties */
9300     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9301     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9302     { EP_SWITCHABLE,            "- can be switched"                     },
9303 #if 0
9304     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9305 #endif
9306
9307     { -1,                       NULL                                    }
9308   };
9309   char *filename = getElementDescriptionFilename(properties_element);
9310   char *percentage_text = "In this level: ";
9311   char *properties_text = "Standard properties: ";
9312   char *description_text = "Description:";
9313   char *no_description_text = "No description available.";
9314   char *none_text = "None";
9315   float percentage;
9316   int num_elements_in_level;
9317   int num_standard_properties = 0;
9318   int font1_nr = FONT_TEXT_1;
9319   int font2_nr = FONT_TEXT_2;
9320   int font1_width = getFontWidth(font1_nr);
9321   int font1_height = getFontHeight(font1_nr);
9322   int font2_height = getFontHeight(font2_nr);
9323   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9324   int font2_yoffset = (font1_height - font2_height) / 2;
9325   int percentage_text_len = strlen(percentage_text) * font1_width;
9326   int properties_text_len = strlen(properties_text) * font1_width;
9327   int xpos = ED_ELEMENT_SETTINGS_X(0);
9328   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9329   int i, x, y;
9330
9331   if (setup.editor.show_element_token)
9332   {
9333     int font3_nr = FONT_TEXT_3;
9334     int font3_height = getFontHeight(font3_nr);
9335
9336     DrawTextF(xpos, ypos, font3_nr,
9337               "[%s]", element_info[properties_element].token_name);
9338
9339     ypos += 2 * font3_height;
9340   }
9341
9342   /* ----- print number of elements / percentage of this element in level */
9343
9344   num_elements_in_level = 0;
9345   for (y = 0; y < lev_fieldy; y++)
9346     for (x = 0; x < lev_fieldx; x++)
9347       if (Feld[x][y] == properties_element)
9348         num_elements_in_level++;
9349   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9350
9351   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9352
9353   if (num_elements_in_level > 0)
9354     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9355               "%d (%.2f %%)", num_elements_in_level, percentage);
9356   else
9357     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9358               none_text);
9359
9360   ypos += 2 * MAX(font1_height, font2_height);
9361
9362   /* ----- print standard properties of this element */
9363
9364   DrawTextS(xpos, ypos, font1_nr, properties_text);
9365
9366   ypos += line1_height;
9367
9368   for (i = 0; properties[i].value != -1; i++)
9369   {
9370     if (!HAS_PROPERTY(properties_element, properties[i].value))
9371       continue;
9372
9373     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9374
9375     ypos += font2_height;
9376
9377     num_standard_properties++;
9378   }
9379
9380   if (num_standard_properties == 0)
9381   {
9382     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9383               font2_nr, none_text);
9384
9385     ypos -= (line1_height - font1_height);
9386   }
9387
9388   ypos += MAX(font1_height, font2_height);
9389
9390   /* ----- print special description of this element */
9391
9392   PrintInfoText(description_text, font1_nr, xpos, ypos);
9393
9394   ypos += line1_height;
9395
9396   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9397     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9398 }
9399
9400 #define TEXT_COLLECTING         "Score for collecting"
9401 #define TEXT_SMASHING           "Score for smashing"
9402 #define TEXT_SLURPING           "Score for slurping robot"
9403 #define TEXT_CRACKING           "Score for cracking"
9404 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9405 #define TEXT_DURATION           "Duration when activated"
9406 #define TEXT_DELAY_ON           "Delay before activating"
9407 #define TEXT_DELAY_OFF          "Delay before deactivating"
9408 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9409 #define TEXT_DELAY_MOVING       "Delay before moving"
9410 #define TEXT_BALL_DELAY         "Element generation delay"
9411 #define TEXT_MOVE_SPEED         "Speed of android moving"
9412 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9413 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9414 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9415 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9416 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9417 #define TEXT_TIME_BONUS         "Extra time to solve level"
9418
9419 static struct
9420 {
9421   int element;
9422   int *value;
9423   char *text;
9424 } elements_with_counter[] =
9425 {
9426   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9427   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9428   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9429   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9430   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9431   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9432   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9433   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9434   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9435   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9436   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9437   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9438   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9439   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9440   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9441   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9442   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9443   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9444   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9445   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9446   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9447   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9448   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9449   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9450   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9451   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9452   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9453   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9454   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9455   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9456   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9457   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9458   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9459   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9460   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9461   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9462   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9463   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9464   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9465   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9466   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9467   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9468   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9469   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9470   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9471   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9472   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9473   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9474   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9475   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9476   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9477   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9478   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9479   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9480   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9481   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9482   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9483   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9484   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9485   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9486   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9487   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9488   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9489   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9490   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9491   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9492   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9493   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9494   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9495   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9496   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9497   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9498   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9499   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9500   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9501   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9502   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9503   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9504   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9505   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9506   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9507   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9508   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9509
9510   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9511   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9512   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9513   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9514   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9515   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9516   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9517   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9518   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9519   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9520   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9521   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9522   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9523   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9524   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9525   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9526
9527   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9528   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9529   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9530   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9531   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9532   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9533   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9534   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9535   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9536   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9537   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9538   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9539   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9540
9541   { -1,                 NULL,                           NULL            }
9542 };
9543
9544 static boolean checkPropertiesConfig(int element)
9545 {
9546   int i;
9547
9548   if (IS_GEM(element) ||
9549       IS_CUSTOM_ELEMENT(element) ||
9550       IS_GROUP_ELEMENT(element) ||
9551       IS_BALLOON_ELEMENT(element) ||
9552       IS_ENVELOPE(element) ||
9553       IS_MM_MCDUFFIN(element) ||
9554       IS_DF_LASER(element) ||
9555       ELEM_IS_PLAYER(element) ||
9556       HAS_EDITOR_CONTENT(element) ||
9557       CAN_GROW(element) ||
9558       COULD_MOVE_INTO_ACID(element) ||
9559       MAYBE_DONT_COLLIDE_WITH(element) ||
9560       element == EL_SOKOBAN_OBJECT ||
9561       element == EL_SOKOBAN_FIELD_EMPTY ||
9562       element == EL_SOKOBAN_FIELD_FULL)
9563     return TRUE;
9564   else
9565     for (i = 0; elements_with_counter[i].element != -1; i++)
9566       if (elements_with_counter[i].element == element)
9567         return TRUE;
9568
9569   return FALSE;
9570 }
9571
9572 static void SetAutomaticNumberOfGemsNeeded()
9573 {
9574   int x, y;
9575
9576   if (!level.auto_count_gems)
9577     return;
9578
9579   level.gems_needed = 0;
9580
9581   for (x = 0; x < lev_fieldx; x++)
9582   {
9583     for (y = 0; y < lev_fieldy; y++)
9584     {
9585       int element = Feld[x][y];
9586
9587       if (IS_GEM(element) ||
9588           element == EL_MM_KETTLE ||
9589           element == EL_DF_CELL)
9590         level.gems_needed++;
9591     }
9592   }
9593
9594   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9595 }
9596
9597 static void DrawPropertiesConfig()
9598 {
9599   boolean draw_footer_line = FALSE;
9600   int max_num_element_counters = 4;
9601   int num_element_counters = 0;
9602   int i;
9603
9604   if (!checkPropertiesConfig(properties_element))
9605   {
9606     int xpos = ED_ELEMENT_SETTINGS_X(0);
9607     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9608
9609     PrintInfoText("No configuration options available.",
9610                   FONT_TEXT_1, xpos, ypos);
9611
9612     return;
9613   }
9614
9615   /* check if there are elements where a value can be chosen for */
9616   for (i = 0; elements_with_counter[i].element != -1; i++)
9617   {
9618     if (elements_with_counter[i].element == properties_element)
9619     {
9620       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9621
9622       counterbutton_info[counter_id].y =
9623         ED_ELEMENT_SETTINGS_YPOS(
9624                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9625                 (CAN_GROW(properties_element)                ? 1 : 0) +
9626                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9627                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9628                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9629                 num_element_counters);
9630
9631       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9632       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9633
9634       if (properties_element == EL_GAME_OF_LIFE ||
9635           properties_element == EL_BIOMAZE)
9636       {
9637         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9638         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9639       }
9640       else
9641       {
9642         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9643         counterbutton_info[counter_id].min_value = MIN_SCORE;
9644         counterbutton_info[counter_id].max_value = MAX_SCORE;
9645       }
9646
9647       MapCounterButtons(counter_id);
9648
9649       num_element_counters++;
9650       if (num_element_counters >= max_num_element_counters)
9651         break;
9652     }
9653   }
9654
9655   if (HAS_EDITOR_CONTENT(properties_element))
9656   {
9657     /* draw stickybutton gadget */
9658     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9659
9660     if (IS_AMOEBOID(properties_element))
9661       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9662     else if (properties_element == EL_YAMYAM ||
9663              properties_element == EL_YAMYAM_LEFT ||
9664              properties_element == EL_YAMYAM_RIGHT ||
9665              properties_element == EL_YAMYAM_UP ||
9666              properties_element == EL_YAMYAM_DOWN)
9667       DrawYamYamContentAreas();
9668     else if (properties_element == EL_EMC_MAGIC_BALL)
9669     {
9670       DrawMagicBallContentAreas();
9671
9672       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9673       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9674     }
9675     else if (properties_element == EL_EMC_ANDROID)
9676       DrawAndroidElementArea(properties_element);
9677   }
9678
9679   if (ELEM_IS_PLAYER(properties_element))
9680   {
9681     int player_nr = GET_PLAYER_NR(properties_element);
9682
9683     /* these properties can be set for every player individually */
9684
9685     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9686     {
9687       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9688         &level.start_element[player_nr];
9689       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9690         &level.artwork_element[player_nr];
9691       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9692         &level.explosion_element[player_nr];
9693
9694       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9695         &level.use_start_element[player_nr];
9696       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9697         &level.use_artwork_element[player_nr];
9698       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9699         &level.use_explosion_element[player_nr];
9700       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9701         &level.initial_player_gravity[player_nr];
9702
9703       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9704         &level.initial_player_stepsize[player_nr];
9705
9706       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9707       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9708                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9709                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9710       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9711       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9712       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9713       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9714       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9715       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9716       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9717       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9718       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9719       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9720
9721       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9722       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9723       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9724
9725       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9726     }
9727     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9728     {
9729       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9730         &level.initial_inventory_content[player_nr][0];
9731
9732       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9733         &level.initial_inventory_size[player_nr];
9734
9735       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9736         &level.use_initial_inventory[player_nr];
9737
9738       /* draw checkbutton gadgets */
9739       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9740
9741       /* draw counter gadgets */
9742       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9743
9744       /* draw drawing area gadgets */
9745       DrawPlayerInitialInventoryArea(properties_element);
9746     }
9747   }
9748
9749   if (IS_GEM(properties_element))
9750     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9751
9752   if (properties_element == EL_EM_DYNAMITE)
9753     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9754
9755   if (COULD_MOVE_INTO_ACID(properties_element) &&
9756       !ELEM_IS_PLAYER(properties_element) &&
9757       (!IS_CUSTOM_ELEMENT(properties_element) ||
9758        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9759   {
9760     /* set position for checkbutton for "can move into acid" */
9761     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9762       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9763     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9764       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9765                                IS_BALLOON_ELEMENT(properties_element) ||
9766                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9767
9768     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9769   }
9770
9771   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9772     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9773
9774   if (properties_element == EL_SPRING)
9775     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9776
9777   if (properties_element == EL_TIME_ORB_FULL)
9778     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9779
9780   if (CAN_GROW(properties_element))
9781   {
9782     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9783       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9784
9785     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9786   }
9787
9788   if (properties_element == EL_SOKOBAN_OBJECT ||
9789       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9790       properties_element == EL_SOKOBAN_FIELD_FULL)
9791     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9792
9793   if (IS_BALLOON_ELEMENT(properties_element))
9794     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9795
9796   if (IS_ENVELOPE(properties_element))
9797   {
9798     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9799     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9800     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9801     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9802     int envelope_nr = properties_element - EL_ENVELOPE_1;
9803
9804     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9805     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9806
9807     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9808     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9809
9810     /* display counter to choose size of envelope text area */
9811     MapCounterButtons(counter1_id);
9812     MapCounterButtons(counter2_id);
9813
9814     /* display checkbuttons to choose auto-wrap and alignment properties */
9815     MapCheckbuttonGadget(button1_id);
9816     MapCheckbuttonGadget(button2_id);
9817
9818     DrawEnvelopeTextArea(envelope_nr);
9819   }
9820
9821   if (IS_MM_MCDUFFIN(properties_element))
9822   {
9823     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9824     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9825     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9826   }
9827
9828   if (IS_DF_LASER(properties_element))
9829   {
9830     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9831     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9832     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9833   }
9834
9835   if (IS_CUSTOM_ELEMENT(properties_element))
9836   {
9837     /* draw stickybutton gadget */
9838     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9839
9840     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9841     {
9842       /* draw checkbutton gadgets */
9843       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9844            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9845         MapCheckbuttonGadget(i);
9846
9847       /* draw counter gadgets */
9848       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9849            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9850         MapCounterButtons(i);
9851
9852       /* draw selectbox gadgets */
9853       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9854            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9855         MapSelectboxGadget(i);
9856
9857       /* draw textbutton gadgets */
9858       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9859
9860       /* draw text input gadgets */
9861       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9862
9863       /* draw drawing area gadgets */
9864       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9865
9866       draw_footer_line = TRUE;
9867     }
9868     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9869     {
9870       /* draw checkbutton gadgets */
9871       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9872            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9873         MapCheckbuttonGadget(i);
9874
9875       /* draw counter gadgets */
9876       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9877            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9878         MapCounterButtons(i);
9879
9880       /* draw selectbox gadgets */
9881       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9882            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9883         MapSelectboxGadget(i);
9884
9885       /* draw drawing area gadgets */
9886       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9887       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9888       DrawCustomContentArea();
9889     }
9890   }
9891   else if (IS_GROUP_ELEMENT(properties_element))
9892   {
9893     /* draw stickybutton gadget */
9894     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9895
9896     /* draw checkbutton gadgets */
9897     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9898     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9899
9900     /* draw counter gadgets */
9901     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9902
9903     /* draw selectbox gadgets */
9904     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9905
9906     /* draw textbutton gadgets */
9907     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9908
9909     /* draw drawing area gadgets */
9910     DrawGroupElementArea(properties_element);
9911
9912     /* draw text input gadgets */
9913     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9914
9915     /* draw drawing area gadgets */
9916     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9917
9918     draw_footer_line = TRUE;
9919   }
9920
9921   /* draw little footer border line above CE/GE use/save template gadgets */
9922   if (draw_footer_line)
9923   {
9924     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9925     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9926     int gd_x = gd->x + gd_gi1->border.width / 2;
9927     int gd_y = gd->y + gd_gi1->height - 1;
9928     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9929
9930     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9931       FillRectangle(drawto,
9932                     SX + ED_ELEMENT_SETTINGS_X(0),
9933                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9934                     ED_TAB_BAR_HEIGHT,
9935                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9936   }
9937 }
9938
9939 static void DrawPropertiesChangeDrawingAreas()
9940 {
9941   if (IS_CUSTOM_ELEMENT(properties_element))
9942   {
9943     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9944     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9945     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9946
9947     DrawCustomChangeContentArea();
9948   }
9949
9950   redraw_mask |= REDRAW_FIELD;
9951 }
9952
9953 static void DrawPropertiesChange()
9954 {
9955   int i;
9956
9957   /* needed to initially set selectbox options for special action options */
9958   setSelectboxSpecialActionOptions();
9959
9960   /* draw stickybutton gadget */
9961   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9962
9963   /* draw checkbutton gadgets */
9964   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9965        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9966     MapCheckbuttonGadget(i);
9967
9968   /* draw counter gadgets */
9969   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9970        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9971     MapCounterButtons(i);
9972
9973   /* draw selectbox gadgets */
9974   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9975        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9976     MapSelectboxGadget(i);
9977
9978   /* draw textbutton gadgets */
9979   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9980        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9981     MapTextbuttonGadget(i);
9982
9983   /* draw graphicbutton gadgets */
9984   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9985        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9986     MapGraphicbuttonGadget(i);
9987
9988   /* draw drawing area gadgets */
9989   DrawPropertiesChangeDrawingAreas();
9990 }
9991
9992 static void DrawEditorElementAnimation(int x, int y)
9993 {
9994   int graphic = el2img(properties_element);
9995   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
9996                custom_element.ce_value_fixed_initial :
9997                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
9998                custom_element.collect_score_initial : FrameCounter);
9999
10000   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10001 }
10002
10003 static void DrawEditorElementName(int x, int y, int font_nr)
10004 {
10005   char *element_name = getElementInfoText(properties_element);
10006   int font_width = getFontWidth(font_nr);
10007   int font_height = getFontHeight(font_nr);
10008   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10009   int max_chars_per_line = max_text_width / font_width;
10010   char buffer[max_chars_per_line + 1];
10011
10012   if (strlen(element_name) <= max_chars_per_line)
10013     DrawTextS(x, y, font_nr, element_name);
10014   else
10015   {
10016     int next_pos = max_chars_per_line;
10017
10018     strncpy(buffer, element_name, max_chars_per_line);
10019     buffer[max_chars_per_line] = '\0';
10020
10021     if (element_name[max_chars_per_line] == ' ')
10022       next_pos++;
10023     else
10024     {
10025       int i;
10026
10027       for (i = max_chars_per_line - 1; i >= 0; i--)
10028         if (buffer[i] == ' ')
10029           break;
10030
10031       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10032       {
10033         buffer[i] = '\0';
10034         next_pos = i + 1;
10035       }
10036     }
10037
10038     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10039
10040     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10041     buffer[max_chars_per_line] = '\0';
10042
10043     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10044   }
10045 }
10046
10047 static void DrawPropertiesWindow()
10048 {
10049   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10050   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10051   int border_size = gd->border_size;
10052   int font_nr = FONT_TEXT_1;
10053   int font_height = getFontHeight(font_nr);
10054   int xoffset = TILEX + element_border + 3 * border_size;
10055   int yoffset = (TILEY - font_height) / 2;
10056   int x1 = editor.settings.element_graphic.x + element_border;
10057   int y1 = editor.settings.element_graphic.y + element_border;
10058   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10059             editor.settings.element_name.x);
10060   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10061             editor.settings.element_name.y);
10062   char *text = "Element Settings";
10063   int font2_nr = FONT_TITLE_1;
10064   struct MenuPosInfo *pos = &editor.settings.headline;
10065   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10066   int sy = SY + pos->y;
10067
10068   stick_element_properties_window = FALSE;
10069
10070   /* make sure that previous properties edit mode exists for this element */
10071   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10072       !IS_CUSTOM_ELEMENT(properties_element))
10073     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
10074
10075   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
10076       !ELEM_IS_PLAYER(properties_element) &&
10077       !IS_CUSTOM_ELEMENT(properties_element))
10078     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
10079
10080   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10081       (ELEM_IS_PLAYER(properties_element) ||
10082        IS_CUSTOM_ELEMENT(properties_element)))
10083     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10084
10085   CopyElementPropertiesToEditor(properties_element);
10086
10087   UnmapLevelEditorFieldGadgets();
10088   UnmapLevelEditorToolboxDrawingGadgets();
10089   UnmapLevelEditorToolboxCustomGadgets();
10090
10091   if (IS_CUSTOM_ELEMENT(properties_element) ||
10092       IS_GROUP_ELEMENT(properties_element))
10093     MapLevelEditorToolboxCustomGadgets();
10094
10095   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10096   ClearField();
10097
10098   DrawText(sx, sy, text, font2_nr);
10099
10100   FrameCounter = 0;     /* restart animation frame counter */
10101
10102   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10103   DrawEditorElementAnimation(SX + x1, SY + y1);
10104   DrawEditorElementName(x2, y2, font_nr);
10105
10106   DrawPropertiesTabulatorGadgets();
10107
10108   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10109     DrawPropertiesInfo();
10110   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10111     DrawPropertiesChange();
10112   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
10113     DrawPropertiesConfig();
10114 }
10115
10116 static void DrawPaletteWindow()
10117 {
10118   int i;
10119
10120   UnmapLevelEditorFieldGadgets();
10121
10122   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10123   ClearField();
10124
10125   /* map buttons to select elements */
10126   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10127     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10128   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10129   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10130   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10131 }
10132
10133 static void UpdateCustomElementGraphicGadgets()
10134 {
10135   int i;
10136
10137   InitElementPropertiesGfxElement();
10138
10139   ModifyEditorElementList();
10140   RedrawDrawingElements();
10141
10142   /* force redraw of all mapped drawing area gadgets */
10143   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10144   {
10145     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10146
10147     if (gi->mapped)
10148       MapDrawingArea(i);
10149   }
10150 }
10151
10152 static int getOpenDirectionFromTube(int element)
10153 {
10154   switch (element)
10155   {
10156     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10157     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10158     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10159     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10160     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10161     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10162     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10163     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10164     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10165     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10166     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10167   }
10168
10169   return MV_NONE;
10170 }
10171
10172 static int getTubeFromOpenDirection(int direction)
10173 {
10174   switch (direction)
10175   {
10176     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10177     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10178     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10179     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10180     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10181     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10182     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10183     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10184     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10185     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10186     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10187
10188     /* if only one direction, fall back to simple tube with that direction */
10189     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10190     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10191     case (MV_UP):                       return EL_TUBE_VERTICAL;
10192     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10193   }
10194
10195   return EL_EMPTY;
10196 }
10197
10198 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10199 {
10200   int element_new = getTubeFromOpenDirection(direction);
10201
10202   return (element_new != EL_EMPTY ? element_new : element_old);
10203 }
10204
10205 static int getOpenDirectionFromBelt(int element)
10206 {
10207   int belt_dir = getBeltDirFromBeltElement(element);
10208
10209   return (belt_dir == MV_LEFT ? MV_RIGHT :
10210           belt_dir == MV_RIGHT ? MV_LEFT :
10211           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10212 }
10213
10214 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10215 {
10216   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10217                   direction == MV_RIGHT ? MV_LEFT :
10218                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10219
10220   if (direction == MV_NONE)
10221     return EL_EMPTY;
10222
10223   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10224 }
10225
10226 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10227                                                  int element_old)
10228 {
10229   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10230
10231   return (element_new != EL_EMPTY ? element_new : element_old);
10232 }
10233
10234 static int getOpenDirectionFromPool(int element)
10235 {
10236   switch (element)
10237   {
10238     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10239     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10240     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10241     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10242     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10243     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10244   }
10245
10246   return MV_NONE;
10247 }
10248
10249 static int getPoolFromOpenDirection(int direction)
10250 {
10251   switch (direction)
10252   {
10253     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10254     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10255     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10256     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10257     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10258     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10259   }
10260
10261   return EL_EMPTY;
10262 }
10263
10264 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10265 {
10266   int element = getPoolFromOpenDirection(direction);
10267   int help_direction = getOpenDirectionFromPool(help_element);
10268
10269   if (element == EL_EMPTY)
10270   {
10271     int help_direction_vertical = help_direction & MV_VERTICAL;
10272
10273     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10274   }
10275
10276   if (element == EL_EMPTY)
10277   {
10278     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10279
10280     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10281   }
10282
10283   return element;
10284 }
10285
10286 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10287 {
10288   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10289
10290   return (element_new != EL_EMPTY ? element_new : element_old);
10291 }
10292
10293 static int getOpenDirectionFromPillar(int element)
10294 {
10295   switch (element)
10296   {
10297     case EL_EMC_WALL_1:                 return (MV_DOWN);
10298     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10299     case EL_EMC_WALL_3:                 return (MV_UP);
10300   }
10301
10302   return MV_NONE;
10303 }
10304
10305 static int getPillarFromOpenDirection(int direction)
10306 {
10307   switch (direction)
10308   {
10309     case (MV_DOWN):                     return EL_EMC_WALL_1;
10310     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10311     case (MV_UP):                       return EL_EMC_WALL_3;
10312   }
10313
10314   return EL_EMPTY;
10315 }
10316
10317 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10318 {
10319   int element_new = getPillarFromOpenDirection(direction);
10320
10321   return (element_new != EL_EMPTY ? element_new : element_old);
10322 }
10323
10324 static int getOpenDirectionFromSteel2(int element)
10325 {
10326   switch (element)
10327   {
10328     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10329     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10330     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10331     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10332     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10333     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10334     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10335     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10336   }
10337
10338   return MV_NONE;
10339 }
10340
10341 static int getSteel2FromOpenDirection(int direction)
10342 {
10343   switch (direction)
10344   {
10345     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10346     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10347     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10348     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10349     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10350     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10351     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10352     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10353   }
10354
10355   return EL_EMPTY;
10356 }
10357
10358 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10359 {
10360   int element_new = getSteel2FromOpenDirection(direction);
10361
10362   return (element_new != EL_EMPTY ? element_new : element_old);
10363 }
10364
10365 static int getOpenDirectionFromChip(int element)
10366 {
10367   switch (element)
10368   {
10369     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10370     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10371     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10372     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10373     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10374   }
10375
10376   return MV_NONE;
10377 }
10378
10379 static int getChipFromOpenDirection(int direction)
10380 {
10381   switch (direction)
10382   {
10383     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10384     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10385     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10386     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10387     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10388   }
10389
10390   return EL_EMPTY;
10391 }
10392
10393 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10394 {
10395   int element_new = getChipFromOpenDirection(direction);
10396
10397   return (element_new != EL_EMPTY ? element_new : element_old);
10398 }
10399
10400 static int getClosedTube(int x, int y)
10401 {
10402   static int xy[4][2] =
10403   {
10404     { -1, 0 },
10405     { +1, 0 },
10406     { 0, -1 },
10407     { 0, +1 }
10408   };
10409   int element_old = IntelliDrawBuffer[x][y];
10410   int direction_old = getOpenDirectionFromTube(element_old);
10411   int direction_new = MV_NONE;
10412   int i;
10413
10414   for (i = 0; i < NUM_DIRECTIONS; i++)
10415   {
10416     int xx = x + xy[i][0];
10417     int yy = y + xy[i][1];
10418     int dir = MV_DIR_FROM_BIT(i);
10419     int dir_opposite = MV_DIR_OPPOSITE(dir);
10420
10421     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10422         (direction_old & dir) &&
10423         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10424       direction_new |= dir;
10425   }
10426
10427   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10428 }
10429
10430 static int getClosedBelt(int x, int y)
10431 {
10432   static int xy[4][2] =
10433   {
10434     { -1, 0 },
10435     { +1, 0 },
10436     { 0, -1 },
10437     { 0, +1 }
10438   };
10439   int element_old = IntelliDrawBuffer[x][y];
10440   int nr = getBeltNrFromBeltElement(element_old);
10441   int direction_old = getOpenDirectionFromBelt(element_old);
10442   int direction_new = MV_NONE;
10443   int i;
10444
10445   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10446   {
10447     int xx = x + xy[i][0];
10448     int yy = y + xy[i][1];
10449     int dir = MV_DIR_FROM_BIT(i);
10450     int dir_opposite = MV_DIR_OPPOSITE(dir);
10451
10452     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10453         (direction_old & dir) &&
10454         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10455       direction_new |= dir;
10456   }
10457
10458   return getBeltFromNrAndOpenDirection(nr, direction_new);
10459 }
10460
10461 static int getClosedPool(int x, int y)
10462 {
10463   static int xy[4][2] =
10464   {
10465     { -1, 0 },
10466     { +1, 0 },
10467     { 0, -1 },
10468     { 0, +1 }
10469   };
10470   int element_old = IntelliDrawBuffer[x][y];
10471   int direction_old = getOpenDirectionFromPool(element_old);
10472   int direction_new = MV_NONE;
10473   int i;
10474
10475   for (i = 0; i < NUM_DIRECTIONS; i++)
10476   {
10477     int xx = x + xy[i][0];
10478     int yy = y + xy[i][1];
10479     int dir = MV_DIR_FROM_BIT(i);
10480     int dir_opposite = MV_DIR_OPPOSITE(dir);
10481
10482     if (IN_LEV_FIELD(xx, yy) &&
10483         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10484         (direction_old & dir) &&
10485         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10486       direction_new |= dir;
10487   }
10488
10489   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10490 }
10491
10492 static int getClosedPillar(int x, int y)
10493 {
10494   static int xy[4][2] =
10495   {
10496     { -1, 0 },
10497     { +1, 0 },
10498     { 0, -1 },
10499     { 0, +1 }
10500   };
10501   int element_old = IntelliDrawBuffer[x][y];
10502   int direction_old = getOpenDirectionFromPillar(element_old);
10503   int direction_new = MV_NONE;
10504   int i;
10505
10506   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10507   {
10508     int xx = x + xy[i][0];
10509     int yy = y + xy[i][1];
10510     int dir = MV_DIR_FROM_BIT(i);
10511     int dir_opposite = MV_DIR_OPPOSITE(dir);
10512
10513     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10514         (direction_old & dir) &&
10515         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10516       direction_new |= dir;
10517   }
10518
10519   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10520 }
10521
10522 static int getClosedSteel2(int x, int y)
10523 {
10524   static int xy[4][2] =
10525   {
10526     { -1, 0 },
10527     { +1, 0 },
10528     { 0, -1 },
10529     { 0, +1 }
10530   };
10531   int element_old = IntelliDrawBuffer[x][y];
10532   int direction_old = getOpenDirectionFromSteel2(element_old);
10533   int direction_new = MV_NONE;
10534   int i;
10535
10536   for (i = 0; i < NUM_DIRECTIONS; i++)
10537   {
10538     int xx = x + xy[i][0];
10539     int yy = y + xy[i][1];
10540     int dir = MV_DIR_FROM_BIT(i);
10541     int dir_opposite = MV_DIR_OPPOSITE(dir);
10542
10543     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10544         (direction_old & dir) &&
10545         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10546       direction_new |= dir;
10547   }
10548
10549   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10550 }
10551
10552 static int getClosedChip(int x, int y)
10553 {
10554   static int xy[4][2] =
10555   {
10556     { -1, 0 },
10557     { +1, 0 },
10558     { 0, -1 },
10559     { 0, +1 }
10560   };
10561   int element_old = IntelliDrawBuffer[x][y];
10562   int direction_old = getOpenDirectionFromChip(element_old);
10563   int direction_new = MV_NONE;
10564   int i;
10565
10566   for (i = 0; i < NUM_DIRECTIONS; i++)
10567   {
10568     int xx = x + xy[i][0];
10569     int yy = y + xy[i][1];
10570     int dir = MV_DIR_FROM_BIT(i);
10571     int dir_opposite = MV_DIR_OPPOSITE(dir);
10572
10573     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10574         (direction_old & dir) &&
10575         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10576       direction_new |= dir;
10577   }
10578
10579   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10580 }
10581
10582 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10583                                 boolean change_level)
10584 {
10585   int sx = x - level_xpos;
10586   int sy = y - level_ypos;
10587   int old_element = Feld[x][y];
10588   int new_element = element;
10589   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10590   boolean draw_masked = FALSE;
10591
10592   if (IS_MM_WALL_EDITOR(element))
10593   {
10594     element = map_mm_wall_element_editor(element) | new_bitmask;
10595
10596     if (IS_MM_WALL(old_element))
10597       element |= MM_WALL_BITS(old_element);
10598
10599     if (!change_level)
10600       draw_masked = TRUE;
10601   }
10602   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10603   {
10604     int element_changed = old_element & ~new_bitmask;
10605
10606     if (MM_WALL_BITS(element_changed) != 0)
10607       element = element_changed;
10608   }
10609
10610   IntelliDrawBuffer[x][y] = element;
10611
10612   if (change_level)
10613     Feld[x][y] = element;
10614
10615   if (IN_ED_FIELD(sx, sy))
10616   {
10617     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10618       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10619     else if (draw_masked)
10620       DrawEditorElementThruMask(sx, sy, element);
10621     else
10622       DrawEditorElement(sx, sy, element);
10623   }
10624 }
10625
10626 static void SetElementSimple(int x, int y, int element, boolean change_level)
10627 {
10628   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10629 }
10630
10631 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10632                                            int x2, int y2, int *element2,
10633                                            int (*close_function)(int, int),
10634                                            boolean change_level)
10635 {
10636   /* set neighbour elements to newly determined connections */
10637   SetElementSimple(x1, y1, *element1, change_level);
10638   SetElementSimple(x2, y2, *element2, change_level);
10639
10640   /* remove all open connections of neighbour elements */
10641   *element1 = close_function(x1, y1);
10642   *element2 = close_function(x2, y2);
10643
10644   /* set neighbour elements to new, minimized connections */
10645   SetElementSimple(x1, y1, *element1, change_level);
10646   SetElementSimple(x2, y2, *element2, change_level);
10647 }
10648
10649 static void SetElementIntelliDraw(int x, int y, int new_element,
10650                                   boolean change_level, int button)
10651 {
10652   static int xy[4][2] =
10653   {
10654     { -1, 0 },
10655     { +1, 0 },
10656     { 0, -1 },
10657     { 0, +1 }
10658   };
10659   static int last_x = -1;
10660   static int last_y = -1;
10661   int old_element = IntelliDrawBuffer[x][y];
10662
10663   if (new_element == EL_UNDEFINED)
10664   {
10665     last_x = -1;
10666     last_y = -1;
10667
10668     return;
10669   }
10670
10671   if (IS_TUBE(new_element))
10672   {
10673     int last_element_new = EL_UNDEFINED;
10674     int direction = MV_NONE;
10675     int i;
10676
10677     /* if old element is of same kind, keep all existing directions */
10678     if (IS_TUBE(old_element))
10679       direction |= getOpenDirectionFromTube(old_element);
10680
10681     for (i = 0; i < NUM_DIRECTIONS; i++)
10682     {
10683       int xx = x + xy[i][0];
10684       int yy = y + xy[i][1];
10685
10686       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10687           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10688       {
10689         int dir = MV_DIR_FROM_BIT(i);
10690         int dir_opposite = MV_DIR_OPPOSITE(dir);
10691         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10692         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10693         int last_direction_new = last_direction_old | dir_opposite;
10694
10695         last_element_new = getTubeFromOpenDirection(last_direction_new);
10696
10697         direction |= dir;
10698       }
10699     }
10700
10701     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10702
10703     if (last_element_new != EL_UNDEFINED)
10704       MergeAndCloseNeighbourElements(x, y, &new_element,
10705                                      last_x, last_y, &last_element_new,
10706                                      getClosedTube, change_level);
10707   }
10708   else if (IS_BELT(new_element))
10709   {
10710     int belt_nr = getBeltNrFromBeltElement(new_element);
10711     int last_element_new = EL_UNDEFINED;
10712     int direction = MV_NONE;
10713     int i;
10714
10715     /* if old element is of same kind, keep all existing directions */
10716     if (IS_BELT(old_element))
10717       direction |= getOpenDirectionFromBelt(old_element);
10718
10719     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10720     {
10721       int xx = x + xy[i][0];
10722       int yy = y + xy[i][1];
10723
10724       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10725           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10726       {
10727         int dir = MV_DIR_FROM_BIT(i);
10728         int dir_opposite = MV_DIR_OPPOSITE(dir);
10729         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10730         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10731         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10732         int last_direction_new = last_direction_old | dir_opposite;
10733
10734         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10735                                                          last_direction_new);
10736         direction |= dir;
10737       }
10738     }
10739
10740     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10741                                                         new_element);
10742     if (last_element_new != EL_UNDEFINED)
10743       MergeAndCloseNeighbourElements(x, y, &new_element,
10744                                      last_x, last_y, &last_element_new,
10745                                      getClosedBelt, change_level);
10746   }
10747   else if (IS_ACID_POOL_OR_ACID(new_element))
10748   {
10749     int last_element_new = EL_UNDEFINED;
10750     int direction = MV_NONE;
10751     int i;
10752
10753     /* if old element is of same kind, keep all existing directions */
10754     if (IS_ACID_POOL_OR_ACID(old_element))
10755       direction |= getOpenDirectionFromPool(old_element);
10756
10757     for (i = 0; i < NUM_DIRECTIONS; i++)
10758     {
10759       int xx = x + xy[i][0];
10760       int yy = y + xy[i][1];
10761
10762       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10763           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10764       {
10765         int dir = MV_DIR_FROM_BIT(i);
10766         int dir_opposite = MV_DIR_OPPOSITE(dir);
10767         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10768         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10769         int last_direction_new = last_direction_old | dir_opposite;
10770
10771         last_element_new = getPoolFromOpenDirection(last_direction_new);
10772
10773         direction |= dir;
10774       }
10775     }
10776
10777     /* special corrections needed for intuitively correct acid pool drawing */
10778     if (last_element_new == EL_EMPTY)
10779       last_element_new = new_element;
10780     else if (last_element_new != EL_UNDEFINED)
10781       new_element = last_element_new;
10782
10783     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10784
10785     if (last_element_new != EL_UNDEFINED)
10786       MergeAndCloseNeighbourElements(x, y, &new_element,
10787                                      last_x, last_y, &last_element_new,
10788                                      getClosedPool, change_level);
10789   }
10790   else if (IS_EMC_PILLAR(new_element))
10791   {
10792     int last_element_new = EL_UNDEFINED;
10793     int direction = MV_NONE;
10794     int i;
10795
10796     /* if old element is of same kind, keep all existing directions */
10797     if (IS_EMC_PILLAR(old_element))
10798       direction |= getOpenDirectionFromPillar(old_element);
10799
10800     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10801     {
10802       int xx = x + xy[i][0];
10803       int yy = y + xy[i][1];
10804
10805       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10806           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10807       {
10808         int dir = MV_DIR_FROM_BIT(i);
10809         int dir_opposite = MV_DIR_OPPOSITE(dir);
10810         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10811         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10812         int last_direction_new = last_direction_old | dir_opposite;
10813
10814         last_element_new = getPillarFromOpenDirection(last_direction_new);
10815
10816         direction |= dir;
10817       }
10818     }
10819
10820     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10821
10822     if (last_element_new != EL_UNDEFINED)
10823       MergeAndCloseNeighbourElements(x, y, &new_element,
10824                                      last_x, last_y, &last_element_new,
10825                                      getClosedPillar, change_level);
10826   }
10827   else if (IS_DC_STEELWALL_2(new_element))
10828   {
10829     int last_element_new = EL_UNDEFINED;
10830     int direction = MV_NONE;
10831     int i;
10832
10833     /* if old element is of same kind, keep all existing directions */
10834     if (IS_DC_STEELWALL_2(old_element))
10835       direction |= getOpenDirectionFromSteel2(old_element);
10836
10837     for (i = 0; i < NUM_DIRECTIONS; i++)
10838     {
10839       int xx = x + xy[i][0];
10840       int yy = y + xy[i][1];
10841
10842       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10843           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10844       {
10845         int dir = MV_DIR_FROM_BIT(i);
10846         int dir_opposite = MV_DIR_OPPOSITE(dir);
10847         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10848         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10849         int last_direction_new = last_direction_old | dir_opposite;
10850
10851         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10852
10853         direction |= dir;
10854       }
10855     }
10856
10857     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10858
10859     if (last_element_new != EL_UNDEFINED)
10860       MergeAndCloseNeighbourElements(x, y, &new_element,
10861                                      last_x, last_y, &last_element_new,
10862                                      getClosedSteel2, change_level);
10863   }
10864   else if (IS_SP_CHIP(new_element))
10865   {
10866     int last_element_new = EL_UNDEFINED;
10867     int direction = MV_NONE;
10868     int i;
10869
10870     /* (do not keep existing directions, regardless of kind of old element) */
10871
10872     for (i = 0; i < NUM_DIRECTIONS; i++)
10873     {
10874       int xx = x + xy[i][0];
10875       int yy = y + xy[i][1];
10876
10877       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10878           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10879       {
10880         int dir = MV_DIR_FROM_BIT(i);
10881         int dir_opposite = MV_DIR_OPPOSITE(dir);
10882         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10883         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10884         int last_direction_new = last_direction_old | dir_opposite;
10885
10886         if (last_direction_old == MV_NONE)
10887         {
10888           last_element_new = getChipFromOpenDirection(last_direction_new);
10889           direction |= dir;
10890         }
10891         else if (last_direction_old & (dir | dir_opposite))
10892         {
10893           direction |= MV_DIR_OPPOSITE(last_direction_old);
10894         }
10895         else
10896         {
10897           direction |= MV_DIR_OPPOSITE(dir);
10898         }
10899       }
10900     }
10901
10902     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10903
10904     if (last_element_new != EL_UNDEFINED)
10905       MergeAndCloseNeighbourElements(x, y, &new_element,
10906                                      last_x, last_y, &last_element_new,
10907                                      getClosedChip, change_level);
10908   }
10909   else if (IS_SP_HARDWARE_BASE(new_element))
10910   {
10911     int nr = GetSimpleRandom(6);
10912
10913     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10914                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10915                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10916                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10917                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10918   }
10919   else if (new_element == EL_SP_HARDWARE_GREEN ||
10920            new_element == EL_SP_HARDWARE_BLUE ||
10921            new_element == EL_SP_HARDWARE_RED)
10922   {
10923     int nr = GetSimpleRandom(3);
10924
10925     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10926                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10927   }
10928   else if (IS_GROUP_ELEMENT(new_element))
10929   {
10930     boolean connected_drawing = FALSE;
10931     int i;
10932
10933     for (i = 0; i < NUM_DIRECTIONS; i++)
10934     {
10935       int xx = x + xy[i][0];
10936       int yy = y + xy[i][1];
10937
10938       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10939           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10940         connected_drawing = TRUE;
10941     }
10942
10943     if (!connected_drawing)
10944       ResolveGroupElement(new_element);
10945
10946     new_element = GetElementFromGroupElement(new_element);
10947   }
10948   else if (IS_BELT_SWITCH(old_element))
10949   {
10950     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10951     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10952
10953     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10954                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10955
10956     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10957   }
10958   else
10959   {
10960     static int swappable_elements[][2] =
10961     {
10962       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10963       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10964       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10965       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10966       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10967       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10968       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10969       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10970       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10971       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10972       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10973       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10974       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10975       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10976       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10977       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10978       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10979       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10980       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10981       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10982       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10983       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10984       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10985       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10986       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10987       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10988       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10989       { EL_PEARL,                       EL_WALL_PEARL                   },
10990       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10991       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10992       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10993       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10994       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
10995       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
10996       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
10997       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
10998       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
10999       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11000       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11001       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11002       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11003       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11004       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11005       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11006
11007       { -1,                             -1                              },
11008     };
11009     static int rotatable_elements_4[][4] =
11010     {
11011       {
11012         EL_BUG_UP,
11013         EL_BUG_RIGHT,
11014         EL_BUG_DOWN,
11015         EL_BUG_LEFT
11016       },
11017       {
11018         EL_SPACESHIP_UP,
11019         EL_SPACESHIP_RIGHT,
11020         EL_SPACESHIP_DOWN,
11021         EL_SPACESHIP_LEFT
11022       },
11023       {
11024         EL_BD_BUTTERFLY_UP,
11025         EL_BD_BUTTERFLY_RIGHT,
11026         EL_BD_BUTTERFLY_DOWN,
11027         EL_BD_BUTTERFLY_LEFT
11028       },
11029       {
11030         EL_BD_FIREFLY_UP,
11031         EL_BD_FIREFLY_RIGHT,
11032         EL_BD_FIREFLY_DOWN,
11033         EL_BD_FIREFLY_LEFT
11034       },
11035       {
11036         EL_PACMAN_UP,
11037         EL_PACMAN_RIGHT,
11038         EL_PACMAN_DOWN,
11039         EL_PACMAN_LEFT
11040       },
11041       {
11042         EL_YAMYAM_UP,
11043         EL_YAMYAM_RIGHT,
11044         EL_YAMYAM_DOWN,
11045         EL_YAMYAM_LEFT
11046       },
11047       {
11048         EL_ARROW_UP,
11049         EL_ARROW_RIGHT,
11050         EL_ARROW_DOWN,
11051         EL_ARROW_LEFT
11052       },
11053       {
11054         EL_SP_PORT_UP,
11055         EL_SP_PORT_RIGHT,
11056         EL_SP_PORT_DOWN,
11057         EL_SP_PORT_LEFT
11058       },
11059       {
11060         EL_SP_GRAVITY_PORT_UP,
11061         EL_SP_GRAVITY_PORT_RIGHT,
11062         EL_SP_GRAVITY_PORT_DOWN,
11063         EL_SP_GRAVITY_PORT_LEFT
11064       },
11065       {
11066         EL_SP_GRAVITY_ON_PORT_UP,
11067         EL_SP_GRAVITY_ON_PORT_RIGHT,
11068         EL_SP_GRAVITY_ON_PORT_DOWN,
11069         EL_SP_GRAVITY_ON_PORT_LEFT
11070       },
11071       {
11072         EL_SP_GRAVITY_OFF_PORT_UP,
11073         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11074         EL_SP_GRAVITY_OFF_PORT_DOWN,
11075         EL_SP_GRAVITY_OFF_PORT_LEFT
11076       },
11077       {
11078         EL_MOLE_UP,
11079         EL_MOLE_RIGHT,
11080         EL_MOLE_DOWN,
11081         EL_MOLE_LEFT
11082       },
11083       {
11084         EL_BALLOON_SWITCH_UP,
11085         EL_BALLOON_SWITCH_RIGHT,
11086         EL_BALLOON_SWITCH_DOWN,
11087         EL_BALLOON_SWITCH_LEFT
11088       },
11089       {
11090         EL_MM_MCDUFFIN_UP,
11091         EL_MM_MCDUFFIN_RIGHT,
11092         EL_MM_MCDUFFIN_DOWN,
11093         EL_MM_MCDUFFIN_LEFT
11094       },
11095       {
11096         EL_MM_MIRROR_FIXED_1,
11097         EL_MM_MIRROR_FIXED_4,
11098         EL_MM_MIRROR_FIXED_3,
11099         EL_MM_MIRROR_FIXED_2
11100       },
11101       {
11102         EL_MM_STEEL_GRID_FIXED_1,
11103         EL_MM_STEEL_GRID_FIXED_4,
11104         EL_MM_STEEL_GRID_FIXED_2,
11105         EL_MM_STEEL_GRID_FIXED_3
11106       },
11107       {
11108         EL_MM_WOODEN_GRID_FIXED_1,
11109         EL_MM_WOODEN_GRID_FIXED_4,
11110         EL_MM_WOODEN_GRID_FIXED_2,
11111         EL_MM_WOODEN_GRID_FIXED_3
11112       },
11113       {
11114         EL_MM_POLARISATOR_CROSS_1,
11115         EL_MM_POLARISATOR_CROSS_4,
11116         EL_MM_POLARISATOR_CROSS_3,
11117         EL_MM_POLARISATOR_CROSS_2
11118       },
11119       {
11120         EL_MM_PACMAN_UP,
11121         EL_MM_PACMAN_RIGHT,
11122         EL_MM_PACMAN_DOWN,
11123         EL_MM_PACMAN_LEFT
11124       },
11125       {
11126         EL_DF_LASER_UP,
11127         EL_DF_LASER_RIGHT,
11128         EL_DF_LASER_DOWN,
11129         EL_DF_LASER_LEFT
11130       },
11131       {
11132         EL_DF_RECEIVER_UP,
11133         EL_DF_RECEIVER_RIGHT,
11134         EL_DF_RECEIVER_DOWN,
11135         EL_DF_RECEIVER_LEFT
11136       },
11137
11138       {
11139         -1,
11140       },
11141     };
11142     static int rotatable_elements_8[][8] =
11143     {
11144       {
11145         EL_DF_STEEL_GRID_FIXED_1,
11146         EL_DF_STEEL_GRID_FIXED_8,
11147         EL_DF_STEEL_GRID_FIXED_7,
11148         EL_DF_STEEL_GRID_FIXED_6,
11149         EL_DF_STEEL_GRID_FIXED_5,
11150         EL_DF_STEEL_GRID_FIXED_4,
11151         EL_DF_STEEL_GRID_FIXED_3,
11152         EL_DF_STEEL_GRID_FIXED_2
11153       },
11154       {
11155         EL_DF_WOODEN_GRID_FIXED_1,
11156         EL_DF_WOODEN_GRID_FIXED_8,
11157         EL_DF_WOODEN_GRID_FIXED_7,
11158         EL_DF_WOODEN_GRID_FIXED_6,
11159         EL_DF_WOODEN_GRID_FIXED_5,
11160         EL_DF_WOODEN_GRID_FIXED_4,
11161         EL_DF_WOODEN_GRID_FIXED_3,
11162         EL_DF_WOODEN_GRID_FIXED_2
11163       },
11164       {
11165         EL_DF_STEEL_GRID_ROTATING_1,
11166         EL_DF_STEEL_GRID_ROTATING_8,
11167         EL_DF_STEEL_GRID_ROTATING_7,
11168         EL_DF_STEEL_GRID_ROTATING_6,
11169         EL_DF_STEEL_GRID_ROTATING_5,
11170         EL_DF_STEEL_GRID_ROTATING_4,
11171         EL_DF_STEEL_GRID_ROTATING_3,
11172         EL_DF_STEEL_GRID_ROTATING_2
11173       },
11174       {
11175         EL_DF_WOODEN_GRID_ROTATING_1,
11176         EL_DF_WOODEN_GRID_ROTATING_8,
11177         EL_DF_WOODEN_GRID_ROTATING_7,
11178         EL_DF_WOODEN_GRID_ROTATING_6,
11179         EL_DF_WOODEN_GRID_ROTATING_5,
11180         EL_DF_WOODEN_GRID_ROTATING_4,
11181         EL_DF_WOODEN_GRID_ROTATING_3,
11182         EL_DF_WOODEN_GRID_ROTATING_2
11183       },
11184
11185       {
11186         -1,
11187       },
11188     };
11189     static int rotatable_elements_16[][16] =
11190     {
11191       {
11192         EL_MM_MIRROR_1,
11193         EL_MM_MIRROR_16,
11194         EL_MM_MIRROR_15,
11195         EL_MM_MIRROR_14,
11196         EL_MM_MIRROR_13,
11197         EL_MM_MIRROR_12,
11198         EL_MM_MIRROR_11,
11199         EL_MM_MIRROR_10,
11200         EL_MM_MIRROR_9,
11201         EL_MM_MIRROR_8,
11202         EL_MM_MIRROR_7,
11203         EL_MM_MIRROR_6,
11204         EL_MM_MIRROR_5,
11205         EL_MM_MIRROR_4,
11206         EL_MM_MIRROR_3,
11207         EL_MM_MIRROR_2
11208       },
11209       {
11210         EL_MM_BEAMER_5,
11211         EL_MM_BEAMER_4,
11212         EL_MM_BEAMER_3,
11213         EL_MM_BEAMER_2,
11214         EL_MM_BEAMER_1,
11215         EL_MM_BEAMER_16,
11216         EL_MM_BEAMER_15,
11217         EL_MM_BEAMER_14,
11218         EL_MM_BEAMER_13,
11219         EL_MM_BEAMER_12,
11220         EL_MM_BEAMER_11,
11221         EL_MM_BEAMER_10,
11222         EL_MM_BEAMER_9,
11223         EL_MM_BEAMER_8,
11224         EL_MM_BEAMER_7,
11225         EL_MM_BEAMER_6
11226       },
11227       {
11228         EL_MM_BEAMER_RED_5,
11229         EL_MM_BEAMER_RED_4,
11230         EL_MM_BEAMER_RED_3,
11231         EL_MM_BEAMER_RED_2,
11232         EL_MM_BEAMER_RED_1,
11233         EL_MM_BEAMER_RED_16,
11234         EL_MM_BEAMER_RED_15,
11235         EL_MM_BEAMER_RED_14,
11236         EL_MM_BEAMER_RED_13,
11237         EL_MM_BEAMER_RED_12,
11238         EL_MM_BEAMER_RED_11,
11239         EL_MM_BEAMER_RED_10,
11240         EL_MM_BEAMER_RED_9,
11241         EL_MM_BEAMER_RED_8,
11242         EL_MM_BEAMER_RED_7,
11243         EL_MM_BEAMER_RED_6
11244       },
11245       {
11246         EL_MM_BEAMER_YELLOW_5,
11247         EL_MM_BEAMER_YELLOW_4,
11248         EL_MM_BEAMER_YELLOW_3,
11249         EL_MM_BEAMER_YELLOW_2,
11250         EL_MM_BEAMER_YELLOW_1,
11251         EL_MM_BEAMER_YELLOW_16,
11252         EL_MM_BEAMER_YELLOW_15,
11253         EL_MM_BEAMER_YELLOW_14,
11254         EL_MM_BEAMER_YELLOW_13,
11255         EL_MM_BEAMER_YELLOW_12,
11256         EL_MM_BEAMER_YELLOW_11,
11257         EL_MM_BEAMER_YELLOW_10,
11258         EL_MM_BEAMER_YELLOW_9,
11259         EL_MM_BEAMER_YELLOW_8,
11260         EL_MM_BEAMER_YELLOW_7,
11261         EL_MM_BEAMER_YELLOW_6
11262       },
11263       {
11264         EL_MM_BEAMER_GREEN_5,
11265         EL_MM_BEAMER_GREEN_4,
11266         EL_MM_BEAMER_GREEN_3,
11267         EL_MM_BEAMER_GREEN_2,
11268         EL_MM_BEAMER_GREEN_1,
11269         EL_MM_BEAMER_GREEN_16,
11270         EL_MM_BEAMER_GREEN_15,
11271         EL_MM_BEAMER_GREEN_14,
11272         EL_MM_BEAMER_GREEN_13,
11273         EL_MM_BEAMER_GREEN_12,
11274         EL_MM_BEAMER_GREEN_11,
11275         EL_MM_BEAMER_GREEN_10,
11276         EL_MM_BEAMER_GREEN_9,
11277         EL_MM_BEAMER_GREEN_8,
11278         EL_MM_BEAMER_GREEN_7,
11279         EL_MM_BEAMER_GREEN_6
11280       },
11281       {
11282         EL_MM_BEAMER_BLUE_5,
11283         EL_MM_BEAMER_BLUE_4,
11284         EL_MM_BEAMER_BLUE_3,
11285         EL_MM_BEAMER_BLUE_2,
11286         EL_MM_BEAMER_BLUE_1,
11287         EL_MM_BEAMER_BLUE_16,
11288         EL_MM_BEAMER_BLUE_15,
11289         EL_MM_BEAMER_BLUE_14,
11290         EL_MM_BEAMER_BLUE_13,
11291         EL_MM_BEAMER_BLUE_12,
11292         EL_MM_BEAMER_BLUE_11,
11293         EL_MM_BEAMER_BLUE_10,
11294         EL_MM_BEAMER_BLUE_9,
11295         EL_MM_BEAMER_BLUE_8,
11296         EL_MM_BEAMER_BLUE_7,
11297         EL_MM_BEAMER_BLUE_6
11298       },
11299       {
11300         EL_MM_POLARISATOR_1,
11301         EL_MM_POLARISATOR_16,
11302         EL_MM_POLARISATOR_15,
11303         EL_MM_POLARISATOR_14,
11304         EL_MM_POLARISATOR_13,
11305         EL_MM_POLARISATOR_12,
11306         EL_MM_POLARISATOR_11,
11307         EL_MM_POLARISATOR_10,
11308         EL_MM_POLARISATOR_9,
11309         EL_MM_POLARISATOR_8,
11310         EL_MM_POLARISATOR_7,
11311         EL_MM_POLARISATOR_6,
11312         EL_MM_POLARISATOR_5,
11313         EL_MM_POLARISATOR_4,
11314         EL_MM_POLARISATOR_3,
11315         EL_MM_POLARISATOR_2
11316       },
11317       {
11318         EL_DF_MIRROR_1,
11319         EL_DF_MIRROR_16,
11320         EL_DF_MIRROR_15,
11321         EL_DF_MIRROR_14,
11322         EL_DF_MIRROR_13,
11323         EL_DF_MIRROR_12,
11324         EL_DF_MIRROR_11,
11325         EL_DF_MIRROR_10,
11326         EL_DF_MIRROR_9,
11327         EL_DF_MIRROR_8,
11328         EL_DF_MIRROR_7,
11329         EL_DF_MIRROR_6,
11330         EL_DF_MIRROR_5,
11331         EL_DF_MIRROR_4,
11332         EL_DF_MIRROR_3,
11333         EL_DF_MIRROR_2
11334       },
11335       {
11336         EL_DF_MIRROR_ROTATING_1,
11337         EL_DF_MIRROR_ROTATING_16,
11338         EL_DF_MIRROR_ROTATING_15,
11339         EL_DF_MIRROR_ROTATING_14,
11340         EL_DF_MIRROR_ROTATING_13,
11341         EL_DF_MIRROR_ROTATING_12,
11342         EL_DF_MIRROR_ROTATING_11,
11343         EL_DF_MIRROR_ROTATING_10,
11344         EL_DF_MIRROR_ROTATING_9,
11345         EL_DF_MIRROR_ROTATING_8,
11346         EL_DF_MIRROR_ROTATING_7,
11347         EL_DF_MIRROR_ROTATING_6,
11348         EL_DF_MIRROR_ROTATING_5,
11349         EL_DF_MIRROR_ROTATING_4,
11350         EL_DF_MIRROR_ROTATING_3,
11351         EL_DF_MIRROR_ROTATING_2
11352       },
11353
11354       {
11355         -1,
11356       },
11357     };
11358     int i, j;
11359
11360     for (i = 0; swappable_elements[i][0] != -1; i++)
11361     {
11362       int element1 = swappable_elements[i][0];
11363       int element2 = swappable_elements[i][1];
11364
11365       if (old_element == element1 || old_element == element2)
11366         new_element = (old_element == element1 ? element2 : element1);
11367     }
11368
11369     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11370     {
11371       for (j = 0; j < 4; j++)
11372       {
11373         int element = rotatable_elements_4[i][j];
11374
11375         if (old_element == element)
11376           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11377                          button == 2 ? rotatable_elements_4[i][0]           :
11378                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11379                          old_element);
11380       }
11381     }
11382
11383     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11384     {
11385       for (j = 0; j < 8; j++)
11386       {
11387         int element = rotatable_elements_8[i][j];
11388
11389         if (old_element == element)
11390           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11391                          button == 2 ? rotatable_elements_8[i][0]           :
11392                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11393                          old_element);
11394       }
11395     }
11396
11397     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11398     {
11399       for (j = 0; j < 16; j++)
11400       {
11401         int element = rotatable_elements_16[i][j];
11402
11403         if (old_element == element)
11404           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11405                          button == 2 ? rotatable_elements_16[i][0]             :
11406                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11407                          old_element);
11408       }
11409     }
11410
11411     if (old_element != new_element)
11412     {
11413       int max_infotext_len = getMaxInfoTextLength();
11414       char infotext[MAX_OUTPUT_LINESIZE + 1];
11415
11416       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11417       infotext[max_infotext_len] = '\0';
11418
11419       ClearEditorGadgetInfoText();
11420
11421       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11422                 infotext);
11423     }
11424   }
11425
11426   SetElementSimple(x, y, new_element, change_level);
11427
11428   last_x = x;
11429   last_y = y;
11430 }
11431
11432 static void ResetIntelliDraw()
11433 {
11434   int x, y;
11435
11436   for (x = 0; x < lev_fieldx; x++)
11437     for (y = 0; y < lev_fieldy; y++)
11438       IntelliDrawBuffer[x][y] = Feld[x][y];
11439
11440   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11441 }
11442
11443 static boolean draw_mode_hires = FALSE;
11444
11445 static void SetDrawModeHiRes(int element)
11446 {
11447   draw_mode_hires =
11448     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11449      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11450 }
11451
11452 static boolean getDrawModeHiRes()
11453 {
11454   return draw_mode_hires;
11455 }
11456
11457 static int getLoResScreenPos(int pos)
11458 {
11459   return (getDrawModeHiRes() ? pos / 2 : pos);
11460 }
11461
11462 static int getLoResScreenMod(int pos)
11463 {
11464   return (getDrawModeHiRes() ? pos % 2 : 0);
11465 }
11466
11467 static void SetElementExt(int x, int y, int dx, int dy, int element,
11468                           boolean change_level, int button)
11469 {
11470   if (element < 0)
11471     SetElementSimple(x, y, Feld[x][y], change_level);
11472   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11473     SetElementIntelliDraw(x, y, element, change_level, button);
11474   else
11475     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11476 }
11477
11478 static void SetElement(int x, int y, int element)
11479 {
11480   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11481 }
11482
11483 static void SetElementButton(int x, int y, int dx, int dy, int element,
11484                              int button)
11485 {
11486   SetElementExt(x, y, dx, dy, element, TRUE, button);
11487 }
11488
11489 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11490 {
11491   int lx = getLoResScreenPos(sx2) + level_xpos;
11492   int ly = getLoResScreenPos(sy2) + level_ypos;
11493   int dx = getLoResScreenMod(sx2);
11494   int dy = getLoResScreenMod(sy2);
11495
11496   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11497 }
11498
11499 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11500 {
11501   int lx = lx2 / 2;
11502   int ly = ly2 / 2;
11503   int dx = lx2 % 2;
11504   int dy = ly2 % 2;
11505
11506   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11507 }
11508
11509 static int getLevelElementHiRes(int lx2, int ly2)
11510 {
11511   int lx = lx2 / 2;
11512   int ly = ly2 / 2;
11513   int dx = lx2 % 2;
11514   int dy = ly2 % 2;
11515   int element = Feld[lx][ly];
11516   unsigned int bitmask = (dx + 1) << (dy * 2);
11517
11518   if (IS_MM_WALL(element))
11519   {
11520     if (element & bitmask)
11521       return map_mm_wall_element(element);
11522     else
11523       return EL_EMPTY;
11524   }
11525
11526   return element;
11527 }
11528
11529 static void DrawLineElement(int x, int y, int element, boolean change_level)
11530 {
11531   SetElementHiRes(x, y, element, change_level);
11532 }
11533
11534 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11535                      int element, boolean change_level)
11536 {
11537   int xsize = ABS(to_x - from_x);
11538   int ysize = ABS(to_y - from_y);
11539   int dx = (to_x < from_x ? -1 : +1);
11540   int dy = (to_y < from_y ? -1 : +1);
11541   int i;
11542
11543   if (from_y == to_y)                   /* horizontal line */
11544   {
11545     for (i = 0; i <= xsize; i++)
11546       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11547   }
11548   else if (from_x == to_x)              /* vertical line */
11549   {
11550     for (i = 0; i <= ysize; i++)
11551       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11552   }
11553   else                                  /* diagonal line */
11554   {
11555     if (ysize < xsize)                  /* a < 1 */
11556     {
11557       float a = (float)ysize / (float)xsize;
11558
11559       for (i = 0; i <= xsize; i++)
11560       {
11561         int x = dx * i;
11562         int y = dy * (int)(a * i + 0.5);
11563
11564         DrawLineElement(from_x + x, from_y + y, element, change_level);
11565       }
11566     }
11567     else                                /* a >= 1 */
11568     {
11569       float a = (float)xsize / (float)ysize;
11570
11571       for (i = 0; i <= ysize; i++)
11572       {
11573         int x = dx * (int)(a * i + 0.5);
11574         int y = dy * i;
11575
11576         DrawLineElement(from_x + x, from_y + y, element, change_level);
11577       }
11578     }
11579   }
11580 }
11581
11582 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11583                     int element, boolean change_level)
11584 {
11585   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11586   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11587   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11588   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11589 }
11590
11591 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11592                           int element, boolean change_level)
11593 {
11594   int y;
11595
11596   if (from_y > to_y)
11597     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11598
11599   for (y = from_y; y <= to_y; y++)
11600     DrawLine(from_x, y, to_x, y, element, change_level);
11601 }
11602
11603 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11604                        int element, boolean change_level)
11605 {
11606   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11607   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11608   int len_x = ABS(to_x - from_x);
11609   int len_y = ABS(to_y - from_y);
11610   int radius, x, y;
11611
11612   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11613
11614   /* not optimal (some points get drawn twice) but simple,
11615      and fast enough for the few points we are drawing */
11616
11617   for (x = 0; x <= radius; x++)
11618   {
11619     int sx, sy, sx2, sy2, lx, ly;
11620
11621     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11622
11623     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11624     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11625     sx = getLoResScreenPos(sx2);
11626     sy = getLoResScreenPos(sy2);
11627     lx = sx + level_xpos;
11628     ly = sy + level_ypos;
11629
11630     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11631       DrawLineElement(sx2, sy2, element, change_level);
11632   }
11633
11634   for (y = 0; y <= radius; y++)
11635   {
11636     int sx, sy, sx2, sy2, lx, ly;
11637
11638     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11639
11640     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11641     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11642     sx = getLoResScreenPos(sx2);
11643     sy = getLoResScreenPos(sy2);
11644     lx = sx + level_xpos;
11645     ly = sy + level_ypos;
11646
11647     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11648       DrawLineElement(sx2, sy2, element, change_level);
11649   }
11650 }
11651
11652 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11653                     int element, boolean change_level)
11654 {
11655   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11656   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11657
11658   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11659 }
11660
11661 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11662
11663 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11664 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11665                        int element, boolean change_level)
11666 {
11667   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11668   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11669   int mirror_to_x2 = from_x - (to_x2 - from_x);
11670   int mirror_to_y2 = from_y - (to_y2 - from_y);
11671
11672   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11673   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11674   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11675   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11676 }
11677 #endif
11678
11679 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11680 {
11681   int from_sx, from_sy;
11682   int to_sx, to_sy;
11683
11684   if (from_x > to_x)
11685     swap_numbers(&from_x, &to_x);
11686
11687   if (from_y > to_y)
11688     swap_numbers(&from_y, &to_y);
11689
11690   from_sx = SX + from_x * ed_tilesize;
11691   from_sy = SY + from_y * ed_tilesize;
11692   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11693   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11694
11695   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11696   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11697   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11698   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11699
11700   if (from_x == to_x && from_y == to_y)
11701     MarkTileDirty(from_x/2, from_y/2);
11702   else
11703     redraw_mask |= REDRAW_FIELD;
11704 }
11705
11706 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11707                         int element, boolean change_level)
11708 {
11709   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11710 }
11711
11712 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11713                        int element, boolean change_level)
11714 {
11715   if (element == -1 || change_level)
11716     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11717   else
11718     DrawAreaBorder(from_x, from_y, to_x, to_y);
11719 }
11720
11721 /* values for CopyBrushExt() */
11722 #define CB_AREA_TO_BRUSH        0
11723 #define CB_BRUSH_TO_CURSOR      1
11724 #define CB_BRUSH_TO_LEVEL       2
11725 #define CB_DELETE_OLD_CURSOR    3
11726 #define CB_DUMP_BRUSH           4
11727 #define CB_DUMP_BRUSH_SMALL     5
11728
11729 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11730 {
11731   DrawLineElement(sx, sy, element, change_level);
11732 }
11733
11734 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11735                          int button, int mode)
11736 {
11737   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11738   static int brush_width, brush_height;
11739   static int last_cursor_x = -1, last_cursor_y = -1;
11740   static boolean delete_old_brush;
11741   int new_element = BUTTON_ELEMENT(button);
11742   int x, y;
11743
11744   if (mode == CB_DUMP_BRUSH ||
11745       mode == CB_DUMP_BRUSH_SMALL)
11746   {
11747     if (!draw_with_brush)
11748     {
11749       Error(ERR_WARN, "no brush selected");
11750
11751       return;
11752     }
11753
11754     for (y = 0; y < brush_height; y++)
11755     {
11756       for (x = 0; x < brush_width; x++)
11757       {
11758         int element = brush_buffer[x][y];
11759         int element_mapped = element;
11760
11761         if (IS_CUSTOM_ELEMENT(element))
11762           element_mapped = EL_CUSTOM_START;
11763         else if (IS_GROUP_ELEMENT(element))
11764           element_mapped = EL_GROUP_START;
11765         else if (element >= NUM_FILE_ELEMENTS)
11766           element_mapped = EL_UNKNOWN;
11767
11768         // dump brush as level sketch text for the R'n'D forum:
11769         // - large tiles: `xxx (0x60 ASCII)
11770         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11771         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11772       }
11773
11774       printf("\n");
11775     }
11776
11777     return;
11778   }
11779
11780   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11781     return;
11782
11783   if (mode == CB_AREA_TO_BRUSH)
11784   {
11785     int from_lx, from_ly;
11786
11787     if (from_x > to_x)
11788       swap_numbers(&from_x, &to_x);
11789
11790     if (from_y > to_y)
11791       swap_numbers(&from_y, &to_y);
11792
11793     brush_width = to_x - from_x + 1;
11794     brush_height = to_y - from_y + 1;
11795
11796     from_lx = from_x + level_xpos;
11797     from_ly = from_y + level_ypos;
11798
11799     for (y = 0; y < brush_height; y++)
11800     {
11801       for (x = 0; x < brush_width; x++)
11802       {
11803         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11804
11805         if (button != 1)
11806           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11807       }
11808     }
11809
11810     if (button != 1)
11811       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11812
11813     delete_old_brush = FALSE;
11814   }
11815   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11816            mode == CB_BRUSH_TO_LEVEL)
11817   {
11818     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11819     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11820     int cursor_from_x = cursor_x - brush_width / 2;
11821     int cursor_from_y = cursor_y - brush_height / 2;
11822     int border_from_x = cursor_x, border_from_y = cursor_y;
11823     int border_to_x = cursor_x, border_to_y = cursor_y;
11824
11825     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11826       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11827
11828     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11829         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11830     {
11831       delete_old_brush = FALSE;
11832       return;
11833     }
11834
11835     for (y = 0; y < brush_height; y++)
11836     {
11837       for (x = 0; x < brush_width; x++)
11838       {
11839         int sx = cursor_from_x + x;
11840         int sy = cursor_from_y + y;
11841         int lx = sx + level_xpos;
11842         int ly = sy + level_ypos;
11843         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11844         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11845                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11846                        brush_buffer[x][y] : new_element);
11847
11848         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11849         {
11850           if (sx < border_from_x)
11851             border_from_x = sx;
11852           else if (sx > border_to_x)
11853             border_to_x = sx;
11854           if (sy < border_from_y)
11855             border_from_y = sy;
11856           else if (sy > border_to_y)
11857             border_to_y = sy;
11858
11859           DrawBrushElement(sx, sy, element, change_level);
11860         }
11861       }
11862     }
11863
11864     if (mode != CB_DELETE_OLD_CURSOR)
11865       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11866
11867     last_cursor_x = cursor_x;
11868     last_cursor_y = cursor_y;
11869     delete_old_brush = TRUE;
11870   }
11871 }
11872
11873 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11874                             int button)
11875 {
11876   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11877 }
11878
11879 static void CopyBrushToLevel(int x, int y, int button)
11880 {
11881   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11882 }
11883
11884 static void CopyBrushToCursor(int x, int y)
11885 {
11886   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11887 }
11888
11889 static void DeleteBrushFromCursor()
11890 {
11891   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11892 }
11893
11894 void DumpBrush()
11895 {
11896   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11897 }
11898
11899 void DumpBrush_Small()
11900 {
11901   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11902 }
11903
11904 static void FloodFill(int from_x, int from_y, int fill_element)
11905 {
11906   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11907 }
11908
11909 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11910 {
11911   int from_x = from_sx2 + 2 * level_xpos;
11912   int from_y = from_sy2 + 2 * level_ypos;
11913   int max_fillx = lev_fieldx * 2;
11914   int max_filly = lev_fieldy * 2;
11915   short FillFeld[max_fillx][max_filly];
11916   int x, y;
11917
11918   for (x = 0; x < max_fillx; x++)
11919     for (y = 0; y < max_filly; y++)
11920       FillFeld[x][y] = getLevelElementHiRes(x, y);
11921
11922   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11923                     FillFeld, max_fillx, max_filly);
11924
11925   for (x = 0; x < max_fillx; x++)
11926     for (y = 0; y < max_filly; y++)
11927       if (FillFeld[x][y] == fill_element)
11928         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11929 }
11930
11931 /* values for DrawLevelText() modes */
11932 #define TEXT_INIT               0
11933 #define TEXT_SETCURSOR          1
11934 #define TEXT_WRITECHAR          2
11935 #define TEXT_BACKSPACE          3
11936 #define TEXT_NEWLINE            4
11937 #define TEXT_END                5
11938 #define TEXT_QUERY_TYPING       6
11939
11940 static int DrawLevelText(int sx, int sy, char letter, int mode)
11941 {
11942   static short delete_buffer[MAX_LEV_FIELDX];
11943   static int start_sx;
11944   static int last_sx, last_sy;
11945   static boolean typing = FALSE;
11946   int letter_element = EL_CHAR_ASCII0 + letter;
11947   int lx = 0, ly = 0;
11948
11949   /* map lower case letters to upper case and convert special characters */
11950   if (letter >= 'a' && letter <= 'z')
11951     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11952   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11953     letter_element = EL_CHAR_AUMLAUT;
11954   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11955     letter_element = EL_CHAR_OUMLAUT;
11956   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11957     letter_element = EL_CHAR_UUMLAUT;
11958   else if (letter == '^')
11959     letter_element = EL_CHAR_COPYRIGHT;
11960   else
11961     letter_element = EL_CHAR_ASCII0 + letter;
11962
11963   if (mode != TEXT_INIT)
11964   {
11965     if (!typing)
11966       return FALSE;
11967
11968     if (mode != TEXT_SETCURSOR)
11969     {
11970       sx = last_sx;
11971       sy = last_sy;
11972     }
11973
11974     lx = last_sx + level_xpos;
11975     ly = last_sy + level_ypos;
11976   }
11977
11978   switch (mode)
11979   {
11980     case TEXT_INIT:
11981       if (typing)
11982         DrawLevelText(0, 0, 0, TEXT_END);
11983
11984       typing = TRUE;
11985       start_sx = sx;
11986       last_sx = sx;
11987       last_sy = sy;
11988       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11989       break;
11990
11991     case TEXT_SETCURSOR:
11992       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11993       DrawAreaBorder(sx, sy, sx, sy);
11994       last_sx = sx;
11995       last_sy = sy;
11996       break;
11997
11998     case TEXT_WRITECHAR:
11999       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12000       {
12001         if (new_element1 >= EL_STEEL_CHAR_START &&
12002             new_element1 <= EL_STEEL_CHAR_END)
12003           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12004
12005         delete_buffer[sx - start_sx] = Feld[lx][ly];
12006         Feld[lx][ly] = letter_element;
12007
12008         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12009           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12010         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12011           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12012         else
12013           DrawLevelText(0, 0, 0, TEXT_END);
12014
12015         level.changed = TRUE;
12016       }
12017       break;
12018
12019     case TEXT_BACKSPACE:
12020       if (sx > start_sx)
12021       {
12022         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12023         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12024         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12025       }
12026       break;
12027
12028     case TEXT_NEWLINE:
12029       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12030         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12031       else
12032         DrawLevelText(0, 0, 0, TEXT_END);
12033       break;
12034
12035     case TEXT_END:
12036       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12037       DrawEditorElement(sx, sy, Feld[lx][ly]);
12038       typing = FALSE;
12039       break;
12040
12041     case TEXT_QUERY_TYPING:
12042       break;
12043
12044     default:
12045       break;
12046   }
12047
12048   return typing;
12049 }
12050
12051 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12052                           int element, boolean change_level)
12053 {
12054   int lx = sx + level_xpos;
12055   int ly = sy + level_ypos;
12056
12057   if (element == -1)
12058     DrawEditorElement(sx, sy, Feld[lx][ly]);
12059   else
12060     DrawAreaBorder(sx, sy, sx, sy);
12061 }
12062
12063 static void CheckLevelBorderElement(boolean redraw_playfield)
12064 {
12065   int last_border_element = BorderElement;
12066
12067   SetBorderElement();
12068
12069   if (redraw_playfield && BorderElement != last_border_element)
12070     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12071 }
12072
12073 static void CopyLevelToUndoBuffer(int mode)
12074 {
12075   static boolean accumulated_undo = FALSE;
12076   boolean new_undo_buffer_position = TRUE;
12077   int x, y;
12078
12079   if (undo_buffer_steps == 0)
12080     accumulated_undo = FALSE;
12081
12082   switch (mode)
12083   {
12084     case UNDO_IMMEDIATE:
12085       accumulated_undo = FALSE;
12086       break;
12087
12088     case UNDO_ACCUMULATE:
12089       if (accumulated_undo)
12090         new_undo_buffer_position = FALSE;
12091       accumulated_undo = TRUE;
12092       break;
12093
12094     default:
12095       break;
12096   }
12097
12098   if (new_undo_buffer_position)
12099   {
12100     /* advance position in undo buffer ring */
12101     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12102
12103     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12104       undo_buffer_steps++;
12105   }
12106
12107   /* always reset redo buffer when storing level change into undo buffer */
12108   redo_buffer_steps = 0;
12109
12110   for (x = 0; x < lev_fieldx; x++)
12111     for (y = 0; y < lev_fieldy; y++)
12112       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12113
12114   /* check if drawing operation forces change of border style */
12115   CheckLevelBorderElement(TRUE);
12116
12117   level.changed = TRUE;
12118 }
12119
12120 static void RandomPlacement(int new_element)
12121 {
12122   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12123   int num_free_positions = 0;
12124   int num_percentage, num_elements;
12125   int x, y;
12126
12127   ResetIntelliDraw();
12128
12129   /* determine number of free positions for randomly placing the new element */
12130   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12131   {
12132     free_position[x][y] =
12133       (random_placement_background_restricted ?
12134        Feld[x][y] == random_placement_background_element :
12135        Feld[x][y] != new_element);
12136
12137     if (free_position[x][y])
12138       num_free_positions++;
12139   }
12140
12141   /* determine number of new elements to place there */
12142   num_percentage = num_free_positions * random_placement_value / 100;
12143   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12144                   num_percentage : random_placement_value);
12145
12146   /* if less free positions than elements to place, fill all these positions */
12147   if (num_free_positions < num_elements)
12148   {
12149     for (x = 0; x < lev_fieldx; x++)
12150       for (y = 0; y < lev_fieldy; y++)
12151         if (free_position[x][y])
12152           SetElement(x, y, new_element);
12153   }
12154   else
12155   {
12156     while (num_elements > 0)
12157     {
12158       x = GetSimpleRandom(lev_fieldx);
12159       y = GetSimpleRandom(lev_fieldy);
12160
12161       /* don't place element at the same position twice */
12162       if (free_position[x][y])
12163       {
12164         free_position[x][y] = FALSE;
12165         SetElement(x, y, new_element);
12166         num_elements--;
12167       }
12168     }
12169   }
12170
12171   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12172   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12173 }
12174
12175 void WrapLevel(int dx, int dy)
12176 {
12177   int wrap_dx = lev_fieldx - dx;
12178   int wrap_dy = lev_fieldy - dy;
12179   int x, y;
12180
12181   for (x = 0; x < lev_fieldx; x++)
12182     for (y = 0; y < lev_fieldy; y++)
12183       FieldBackup[x][y] = Feld[x][y];
12184
12185   for (x = 0; x < lev_fieldx; x++)
12186     for (y = 0; y < lev_fieldy; y++)
12187       Feld[x][y] =
12188         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12189
12190   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12191   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12192 }
12193
12194 static void HandleDrawingAreas(struct GadgetInfo *gi)
12195 {
12196   static boolean started_inside_drawing_area = FALSE;
12197   static int last_sx = -1, last_sy = -1;
12198   static int last_sx2 = -1, last_sy2 = -1;
12199   int id = gi->custom_id;
12200   int type_id = gi->custom_type_id;
12201   boolean button_press_event;
12202   boolean button_release_event;
12203   boolean inside_drawing_area = !gi->event.off_borders;
12204   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12205   int actual_drawing_function;
12206   int button = gi->event.button;
12207   int new_element = BUTTON_ELEMENT(button);
12208   int sx = gi->event.x, sy = gi->event.y;
12209   int min_sx = 0, min_sy = 0;
12210   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12211   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12212   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12213   int sx2 = gi->event.mx / mini_item_xsize;
12214   int sy2 = gi->event.my / mini_item_ysize;
12215   int dx = sx2 % 2;
12216   int dy = sy2 % 2;
12217   int lx = 0, ly = 0;
12218   int min_lx = 0, min_ly = 0;
12219   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12220   int x, y;
12221
12222   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12223   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12224
12225   /* make sure to stay inside drawing area boundaries */
12226   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12227   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12228
12229   if (draw_level)
12230   {
12231     /* get positions inside level field */
12232     lx = sx + level_xpos;
12233     ly = sy + level_ypos;
12234
12235     if (!IN_LEV_FIELD(lx, ly))
12236       inside_drawing_area = FALSE;
12237
12238     /* make sure to stay inside level field boundaries */
12239     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12240     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12241
12242     /* correct drawing area positions accordingly */
12243     sx = lx - level_xpos;
12244     sy = ly - level_ypos;
12245   }
12246
12247   /* also correct MM wall-sized (double) drawing area positions accordingly */
12248   if (sx2 / 2 < sx || sx2 / 2 > sx)
12249   {
12250     dx = (sx2 / 2 < sx ? 0 : 1);
12251     sx2 = sx * 2 + dx;
12252   }
12253   if (sy2 / 2 < sy || sy2 / 2 > sy)
12254   {
12255     dy = (sy2 / 2 < sy ? 0 : 1);
12256     sy2 = sy * 2 + dy;
12257   }
12258
12259   if (button_release_event)
12260   {
12261     last_sx = -1;
12262     last_sy = -1;
12263     last_sx2 = -1;
12264     last_sy2 = -1;
12265   }
12266   else if (!button_press_event)
12267   {
12268     /* prevent handling events for every pixel position when moving mouse */
12269     if ((sx == last_sx && sy == last_sy &&
12270          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12271         (sx2 == last_sx2 && sy2 == last_sy2))
12272       return;
12273   }
12274
12275   last_sx = sx;
12276   last_sy = sy;
12277   last_sx2 = sx2;
12278   last_sy2 = sy2;
12279
12280   if (button_press_event)
12281     started_inside_drawing_area = inside_drawing_area;
12282
12283   if (!started_inside_drawing_area)
12284     return;
12285
12286   if (!IS_VALID_BUTTON(button))
12287     return;
12288
12289   if (!button && !button_release_event)
12290     return;
12291
12292   /* handle info callback for each invocation of action callback */
12293   gi->callback_info(gi);
12294
12295   /* automatically switch to 'single item' drawing mode, if needed */
12296   actual_drawing_function =
12297     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12298      drawing_function : GADGET_ID_SINGLE_ITEMS);
12299
12300   /* clicking into drawing area with pressed Control key picks element */
12301   if (GetKeyModState() & KMOD_Control)
12302   {
12303     last_drawing_function = drawing_function;
12304     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12305   }
12306
12307   if (GetKeyModState() & KMOD_Shift)
12308   {
12309     if (button_press_event || button_release_event)
12310       ResetIntelliDraw();
12311   }
12312
12313   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12314
12315   switch (actual_drawing_function)
12316   {
12317     case GADGET_ID_SINGLE_ITEMS:
12318       if (draw_level)
12319       {
12320         if (button_release_event)
12321         {
12322           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12323
12324           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12325               !inside_drawing_area)
12326             DeleteBrushFromCursor();
12327         }
12328
12329         if (!button || button_release_event)
12330           break;
12331
12332         if (draw_with_brush)
12333         {
12334           CopyBrushToLevel(sx, sy, button);
12335         }
12336         else
12337         {
12338           SetDrawModeHiRes(new_element);
12339
12340           if (new_element == EL_PLAYER_1)
12341           {
12342             /* remove player at old position */
12343             for (y = 0; y < lev_fieldy; y++)
12344               for (x = 0; x < lev_fieldx; x++)
12345                 if (Feld[x][y] == EL_PLAYER_1)
12346                   SetElement(x, y, EL_EMPTY);
12347           }
12348
12349           SetElementButton(lx, ly, dx, dy, new_element, button);
12350         }
12351       }
12352       else if (!button_release_event)
12353       {
12354         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12355
12356         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12357           DrawMiniGraphicExt(drawto,
12358                              gi->x + sx * MINI_TILEX,
12359                              gi->y + sy * MINI_TILEY,
12360                              el2edimg(new_element));
12361         else
12362           DrawFixedGraphicExt(drawto,
12363                               gi->x + sx * TILEX,
12364                               gi->y + sy * TILEY,
12365                               el2edimg(new_element), 0);
12366
12367         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12368           new_element = GFX_ELEMENT(new_element);
12369
12370         drawingarea_info[type_id].value[pos] = new_element;
12371
12372         CopyElementPropertiesToGame(properties_element);
12373
12374         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12375         {
12376           UpdateCustomElementGraphicGadgets();
12377
12378           FrameCounter = 0;     /* restart animation frame counter */
12379         }
12380       }
12381       break;
12382
12383     case GADGET_ID_CONNECTED_ITEMS:
12384       {
12385         static int last_sx = -1;
12386         static int last_sy = -1;
12387
12388         if (button_release_event)
12389           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12390
12391         if (button)
12392         {
12393           SetDrawModeHiRes(new_element);
12394
12395           if (getDrawModeHiRes())
12396           {
12397             sx = sx2;
12398             sy = sy2;
12399           }
12400
12401           if (!button_press_event)
12402             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12403
12404           last_sx = sx;
12405           last_sy = sy;
12406         }
12407       }
12408       break;
12409
12410     case GADGET_ID_LINE:
12411     case GADGET_ID_ARC:
12412     case GADGET_ID_RECTANGLE:
12413     case GADGET_ID_FILLED_BOX:
12414       SetDrawModeHiRes(new_element);
12415
12416       if (getDrawModeHiRes())
12417       {
12418         sx = sx2;
12419         sy = sy2;
12420       }
12421       /* FALLTHROUGH */
12422     case GADGET_ID_GRAB_BRUSH:
12423     case GADGET_ID_TEXT:
12424       {
12425         static int last_sx = -1;
12426         static int last_sy = -1;
12427         static int start_sx = -1;
12428         static int start_sy = -1;
12429         void (*draw_func)(int, int, int, int, int, boolean);
12430
12431         if (drawing_function == GADGET_ID_LINE)
12432           draw_func = DrawLine;
12433         else if (drawing_function == GADGET_ID_ARC)
12434           draw_func = DrawArc;
12435         else if (drawing_function == GADGET_ID_RECTANGLE)
12436           draw_func = DrawBox;
12437         else if (drawing_function == GADGET_ID_FILLED_BOX)
12438           draw_func = DrawFilledBox;
12439         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12440           draw_func = SelectArea;
12441         else /* (drawing_function == GADGET_ID_TEXT) */
12442           draw_func = SetTextCursor;
12443
12444         if (button_press_event)
12445         {
12446           draw_func(sx, sy, sx, sy, new_element, FALSE);
12447           start_sx = last_sx = sx;
12448           start_sy = last_sy = sy;
12449
12450           if (drawing_function == GADGET_ID_TEXT)
12451             DrawLevelText(0, 0, 0, TEXT_END);
12452         }
12453         else if (button_release_event)
12454         {
12455           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12456           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12457           {
12458             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12459             CopyBrushToCursor(sx, sy);
12460             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12461                           MB_LEFTBUTTON);
12462             draw_with_brush = TRUE;
12463           }
12464           else if (drawing_function == GADGET_ID_TEXT)
12465             DrawLevelText(sx, sy, 0, TEXT_INIT);
12466           else
12467             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12468         }
12469         else if (last_sx != sx || last_sy != sy)
12470         {
12471           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12472           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12473             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12474           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12475           last_sx = sx;
12476           last_sy = sy;
12477         }
12478       }
12479       break;
12480
12481     case GADGET_ID_FLOOD_FILL:
12482       if (button_press_event && Feld[lx][ly] != new_element)
12483       {
12484         if (IS_MM_WALL_EDITOR(new_element))
12485           FloodFillWall_MM(sx2, sy2, new_element);
12486         else
12487           FloodFill(lx, ly, new_element);
12488
12489         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12490         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12491       }
12492       break;
12493
12494     case GADGET_ID_PICK_ELEMENT:
12495       if (button_release_event)
12496         ClickOnGadget(level_editor_gadget[last_drawing_function],
12497                       MB_LEFTBUTTON);
12498       else if (draw_level)
12499         PickDrawingElement(button, Feld[lx][ly]);
12500       else
12501       {
12502         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12503
12504         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12505       }
12506
12507     default:
12508       break;
12509   }
12510
12511   /* do not mark level as modified for certain non-level-changing gadgets */
12512   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12513        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12514       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12515       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12516     return;
12517
12518   level.changed = TRUE;
12519 }
12520
12521 static void HandleCounterButtons(struct GadgetInfo *gi)
12522 {
12523   int gadget_id = gi->custom_id;
12524   int counter_id = gi->custom_type_id;
12525   int button = gi->event.button;
12526   int *counter_value = counterbutton_info[counter_id].value;
12527   int step = BUTTON_STEPSIZE(button) *
12528     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12529
12530   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12531   {
12532     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12533     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12534     boolean level_changed = LevelChanged();
12535
12536     if ((level_changed && pressed) || (!level_changed && released))
12537       return;
12538
12539     if (level_changed && !Request("Level has changed! Discard changes?",
12540                                   REQ_ASK))
12541     {
12542       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12543         ModifyEditorCounterValue(counter_id, *counter_value);
12544
12545       return;
12546     }
12547   }
12548
12549   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12550     *counter_value = gi->textinput.number_value;
12551   else
12552     ModifyEditorCounterValue(counter_id, *counter_value + step);
12553
12554   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12555   {
12556     int last_game_engine_type = level.game_engine_type;
12557
12558     LoadLevel(level_nr);
12559     LoadScore(level_nr);
12560
12561     SaveLevelSetup_SeriesInfo();
12562
12563     TapeErase();
12564
12565     ResetUndoBuffer();
12566     DrawEditModeWindow();
12567
12568     if (level.game_engine_type != last_game_engine_type)
12569     {
12570       /* update element selection list */
12571       ReinitializeElementList();
12572       ModifyEditorElementList();
12573     }
12574
12575     return;
12576   }
12577
12578   switch (counter_id)
12579   {
12580     case ED_COUNTER_ID_YAMYAM_CONTENT:
12581       DrawYamYamContentAreas();
12582       break;
12583
12584     case ED_COUNTER_ID_BALL_CONTENT:
12585       DrawMagicBallContentAreas();
12586       break;
12587
12588     case ED_COUNTER_ID_ANDROID_CONTENT:
12589       DrawAndroidElementArea(properties_element);
12590       break;
12591
12592     case ED_COUNTER_ID_GROUP_CONTENT:
12593       DrawGroupElementArea(properties_element);
12594       CopyGroupElementPropertiesToGame(properties_element);
12595       break;
12596
12597     case ED_COUNTER_ID_INVENTORY_SIZE:
12598       DrawPlayerInitialInventoryArea(properties_element);
12599       break;
12600
12601     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12602     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12603       DrawEnvelopeTextArea(-1);
12604       break;
12605
12606     case ED_COUNTER_ID_LEVEL_XSIZE:
12607     case ED_COUNTER_ID_LEVEL_YSIZE:
12608       lev_fieldx = level.fieldx;
12609       lev_fieldy = level.fieldy;
12610
12611       /* check if resizing of level results in change of border border */
12612       SetBorderElement();
12613
12614       break;
12615
12616     default:
12617       break;
12618   }
12619
12620   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12621        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12622       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12623        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12624     CopyElementPropertiesToGame(properties_element);
12625
12626   /* do not mark level as modified for certain non-level-changing gadgets */
12627   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12628        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12629       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12630        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12631     return;
12632
12633   level.changed = TRUE;
12634 }
12635
12636 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12637 {
12638   int type_id = gi->custom_type_id;
12639
12640   strcpy(textinput_info[type_id].value, gi->textinput.value);
12641
12642   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12643   {
12644     CopyElementPropertiesToGame(properties_element);
12645
12646     ModifyEditorElementList();  /* update changed button info text */
12647   }
12648
12649   /* do not mark level as modified for certain non-level-changing gadgets */
12650   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12651       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12652     return;
12653
12654   level.changed = TRUE;
12655 }
12656
12657 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12658 {
12659   int type_id = gi->custom_type_id;
12660
12661   strncpy(textarea_info[type_id].value, gi->textarea.value,
12662           MAX_ENVELOPE_TEXT_LEN);
12663   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12664
12665   level.changed = TRUE;
12666 }
12667
12668 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12669 {
12670   int type_id = gi->custom_type_id;
12671   int value_old = *selectbox_info[type_id].value;
12672   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12673
12674   *selectbox_info[type_id].value = value_new;
12675
12676   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12677   {
12678     DrawLevelInfoWindow();
12679   }
12680   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12681   {
12682     element_info[properties_element].current_change_page = gi->selectbox.index;
12683
12684     DrawPropertiesWindow();
12685   }
12686   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12687             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12688            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12689             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12690            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12691   {
12692     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12693     {
12694       /* when changing action type, also check action mode and action arg */
12695       if (value_old != value_new)
12696         setSelectboxSpecialActionVariablesIfNeeded();
12697
12698       DrawPropertiesChange();
12699     }
12700
12701     CopyElementPropertiesToGame(properties_element);
12702   }
12703   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12704   {
12705     /* update element selection list */
12706     ReinitializeElementList();
12707     ModifyEditorElementList();
12708   }
12709
12710   /* do not mark level as modified for certain non-level-changing gadgets */
12711   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12712       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12713     return;
12714
12715   level.changed = TRUE;
12716 }
12717
12718 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12719 {
12720   int type_id = gi->custom_type_id;
12721   int i;
12722
12723   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12724       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12725   {
12726     edit_mode_levelinfo = gi->custom_type_id;
12727
12728     DrawLevelInfoWindow();
12729   }
12730   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12731            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12732   {
12733     edit_mode_properties = gi->custom_type_id;
12734
12735     DrawPropertiesWindow();
12736   }
12737   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12738            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12739   {
12740     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12741
12742     /* backup original "level.field" (needed to track playfield changes) */
12743     CopyPlayfield(level.field, FieldBackup);
12744
12745     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12746     CopyPlayfield(Feld, level.field);
12747
12748     if (new_template ||
12749         Request("Save this template and kill the old?", REQ_ASK))
12750       SaveLevelTemplate();
12751
12752     if (new_template)
12753       Request("Template saved!", REQ_CONFIRM);
12754
12755     /* restore original "level.field" (needed to track playfield changes) */
12756     CopyPlayfield(FieldBackup, level.field);
12757   }
12758   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12759   {
12760     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12761
12762     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12763         leveldir_current->readonly)
12764     {
12765       Request("This level set is read only!", REQ_CONFIRM);
12766
12767       return;
12768     }
12769
12770     if (strEqual(levelset_name, ""))
12771     {
12772       Request("Please enter level set title!", REQ_CONFIRM);
12773
12774       return;
12775     }
12776
12777     if (strEqual(levelset_author, ""))
12778     {
12779       Request("Please enter level set author!", REQ_CONFIRM);
12780
12781       return;
12782     }
12783
12784     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12785     {
12786       if (UpdateUserLevelSet(levelset_subdir,
12787                              levelset_name,
12788                              levelset_author,
12789                              levelset_num_levels))
12790       {
12791         Request("Level set updated!", REQ_CONFIRM);
12792       }
12793       else
12794       {
12795         Request("Updating level set failed!", REQ_CONFIRM);
12796       }
12797     }
12798     else
12799     {
12800       if (CreateUserLevelSet(levelset_subdir,
12801                              levelset_name,
12802                              levelset_author,
12803                              levelset_num_levels))
12804       {
12805         Request("New level set created!", REQ_CONFIRM);
12806
12807         AddUserLevelSetToLevelInfo(levelset_subdir);
12808         ChangeEditorToLevelSet(levelset_subdir);
12809       }
12810       else
12811       {
12812         Request("Creating new level set failed!", REQ_CONFIRM);
12813       }
12814     }
12815   }
12816   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12817            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12818   {
12819     struct ElementInfo *ei = &element_info[properties_element];
12820
12821     /* when modifying custom element, ask for copying level template */
12822     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12823       return;
12824
12825     setElementChangePages(ei, ei->num_change_pages + 1);
12826
12827     /* set new change page to be new current change page */
12828     ei->current_change_page = ei->num_change_pages - 1;
12829     ei->change = &ei->change_page[ei->current_change_page];
12830
12831     setElementChangeInfoToDefaults(ei->change);
12832
12833     DrawPropertiesWindow();
12834
12835     level.changed = TRUE;
12836   }
12837   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12838            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12839   {
12840     struct ElementInfo *ei = &element_info[properties_element];
12841
12842     /* when modifying custom element, ask for copying level template */
12843     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12844       return;
12845
12846     /* copy all change pages after change page to be deleted */
12847     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12848       ei->change_page[i] = ei->change_page[i + 1];
12849
12850     setElementChangePages(ei, ei->num_change_pages - 1);
12851
12852     DrawPropertiesWindow();
12853
12854     level.changed = TRUE;
12855   }
12856 }
12857
12858 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12859 {
12860   int type_id = gi->custom_type_id;
12861
12862   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12863       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12864   {
12865     struct ElementInfo *ei = &element_info[properties_element];
12866     int step = BUTTON_STEPSIZE(gi->event.button);
12867
12868     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12869     ei->current_change_page += step;
12870
12871     if (ei->current_change_page < 0)
12872       ei->current_change_page = 0;
12873     else if (ei->current_change_page >= ei->num_change_pages)
12874       ei->current_change_page = ei->num_change_pages - 1;
12875
12876     DrawPropertiesWindow();
12877   }
12878   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12879            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12880   {
12881     struct ElementInfo *ei = &element_info[properties_element];
12882     int current_change_page = ei->current_change_page;
12883
12884     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12885     {
12886       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12887         ei->change_page[current_change_page];
12888     }
12889     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12890     {
12891       /* when modifying custom element, ask for copying level template */
12892       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12893         return;
12894
12895       ei->change_page[current_change_page] =
12896         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12897
12898       level.changed = TRUE;
12899     }
12900
12901     DrawPropertiesWindow();
12902   }
12903 }
12904
12905 static void HandleRadiobuttons(struct GadgetInfo *gi)
12906 {
12907   int type_id = gi->custom_type_id;
12908
12909   *radiobutton_info[type_id].value =
12910     radiobutton_info[type_id].checked_value;
12911
12912   /* do not mark level as modified for certain non-level-changing gadgets */
12913   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12914       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12915     return;
12916
12917   level.changed = TRUE;
12918 }
12919
12920 static void HandleCheckbuttons(struct GadgetInfo *gi)
12921 {
12922   int type_id = gi->custom_type_id;
12923
12924   *checkbutton_info[type_id].value ^= TRUE;
12925
12926   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12927       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12928       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12929       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12930          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12931         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12932          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12933        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12934   {
12935     CopyElementPropertiesToGame(properties_element);
12936   }
12937
12938   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12939   {
12940     UpdateCustomElementGraphicGadgets();
12941   }
12942   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12943            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12944   {
12945     boolean template_related_changes_found = FALSE;
12946     int i;
12947
12948     /* check if any custom or group elements have been changed */
12949     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12950       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12951           element_info[i].modified_settings)
12952         template_related_changes_found = TRUE;
12953
12954     if (level.use_custom_template &&
12955         !fileExists(getGlobalLevelTemplateFilename()))
12956     {
12957       Request("No level template found!", REQ_CONFIRM);
12958
12959       level.use_custom_template = FALSE;
12960
12961       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12962
12963       return;
12964     }
12965
12966     if (level.use_custom_template &&
12967         template_related_changes_found &&
12968         !Request("Discard changes and use level template?", REQ_ASK))
12969     {
12970       level.use_custom_template = FALSE;
12971
12972       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12973
12974       return;
12975     }
12976
12977     if (!level.use_custom_template &&
12978         Request("Copy settings from level template?", REQ_ASK))
12979     {
12980       return;
12981     }
12982
12983     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12984
12985     DrawEditModeWindow();
12986   }
12987   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12988   {
12989     if (setup.editor.use_template_for_new_levels &&
12990         !fileExists(getGlobalLevelTemplateFilename()))
12991     {
12992       Request("No level template found!", REQ_CONFIRM);
12993
12994       return;
12995     }
12996
12997     if (setup.editor.use_template_for_new_levels &&
12998         level.changed &&
12999         !Request("Discard level and load template?", REQ_ASK))
13000     {
13001       return;
13002     }
13003
13004     if (!setup.editor.use_template_for_new_levels &&
13005         level.changed &&
13006         !Request("Discard level and use empty level?", REQ_ASK))
13007     {
13008       return;
13009     }
13010
13011     LoadLevel(level_nr);
13012     LoadScore(level_nr);
13013
13014     TapeErase();
13015
13016     ResetUndoBuffer();
13017     DrawEditModeWindow();
13018   }
13019   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13020   {
13021     SetAutomaticNumberOfGemsNeeded();
13022   }
13023
13024   /* do not mark level as modified for certain non-level-changing gadgets */
13025   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13026        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
13027       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13028     return;
13029
13030   level.changed = TRUE;
13031 }
13032
13033 static void HandleControlButtons(struct GadgetInfo *gi)
13034 {
13035   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13036   static int last_edit_mode = ED_MODE_DRAWING;
13037   static int last_custom_copy_mode = -1;
13038   static int last_button = 0;
13039   int id = gi->custom_id;
13040   int button = gi->event.button;
13041   int step = BUTTON_STEPSIZE(button);
13042   int new_element = BUTTON_ELEMENT(button);
13043   int last_properties_element = properties_element;
13044   int x, y;
13045
13046   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13047     DrawLevelText(0, 0, 0, TEXT_END);
13048
13049   if (id < ED_NUM_CTRL1_BUTTONS &&
13050       id != GADGET_ID_SINGLE_ITEMS &&
13051       id != GADGET_ID_PICK_ELEMENT &&
13052       edit_mode != ED_MODE_DRAWING &&
13053       drawing_function != GADGET_ID_PICK_ELEMENT &&
13054       !(GetKeyModState() & KMOD_Control))
13055     ChangeEditModeWindow(ED_MODE_DRAWING);
13056
13057   /* element copy mode active, but no element button pressed => deactivate */
13058   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13059     last_custom_copy_mode = -1;
13060
13061   /* when showing palette on element buttons, change element of button used */
13062   if (editor.palette.show_on_element_buttons &&
13063       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13064   {
13065     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13066
13067     id = GADGET_ID_PALETTE;
13068   }
13069
13070   switch (id)
13071   {
13072     case GADGET_ID_SCROLL_LEFT:
13073       if (level_xpos >= 0)
13074       {
13075         if (lev_fieldx < ed_fieldx - 2)
13076           break;
13077
13078         level_xpos -= step;
13079         if (level_xpos < -1)
13080           level_xpos = -1;
13081         if (button == 1)
13082           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13083         else
13084           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13085
13086         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13087                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13088       }
13089       break;
13090
13091     case GADGET_ID_SCROLL_RIGHT:
13092       if (level_xpos <= lev_fieldx - ed_fieldx)
13093       {
13094         if (lev_fieldx < ed_fieldx - 2)
13095           break;
13096
13097         level_xpos += step;
13098         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13099           level_xpos = lev_fieldx - ed_fieldx + 1;
13100         if (button == 1)
13101           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13102         else
13103           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13104
13105         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13106                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13107       }
13108       break;
13109
13110     case GADGET_ID_SCROLL_UP:
13111       if (level_ypos >= 0)
13112       {
13113         if (lev_fieldy < ed_fieldy - 2)
13114           break;
13115
13116         level_ypos -= step;
13117         if (level_ypos < -1)
13118           level_ypos = -1;
13119         if (button == 1)
13120           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13121         else
13122           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13123
13124         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13125                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13126       }
13127       break;
13128
13129     case GADGET_ID_SCROLL_DOWN:
13130       if (level_ypos <= lev_fieldy - ed_fieldy)
13131       {
13132         if (lev_fieldy < ed_fieldy - 2)
13133           break;
13134
13135         level_ypos += step;
13136         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13137           level_ypos = lev_fieldy - ed_fieldy + 1;
13138         if (button == 1)
13139           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13140         else
13141           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13142
13143         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13144                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13145       }
13146       break;
13147
13148     case GADGET_ID_SCROLL_HORIZONTAL:
13149       level_xpos = gi->event.item_position - 1;
13150
13151       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13152       BackToFront();
13153
13154       break;
13155
13156     case GADGET_ID_SCROLL_VERTICAL:
13157       level_ypos = gi->event.item_position - 1;
13158
13159       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13160       BackToFront();
13161
13162       break;
13163
13164     case GADGET_ID_SCROLL_LIST_UP:
13165     case GADGET_ID_SCROLL_LIST_DOWN:
13166     case GADGET_ID_SCROLL_LIST_VERTICAL:
13167       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13168         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13169       else
13170       {
13171         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13172         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13173
13174         if (element_shift < 0)
13175           element_shift = 0;
13176         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13177           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13178
13179         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13180                      GDI_SCROLLBAR_ITEM_POSITION,
13181                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13182       }
13183
13184       ModifyEditorElementList();
13185
13186       break;
13187
13188     case GADGET_ID_PROPERTIES:
13189       // always switch off element properties when they are already displayed
13190       last_properties_element = new_element;
13191     case GADGET_ID_ELEMENT_LEFT:
13192     case GADGET_ID_ELEMENT_MIDDLE:
13193     case GADGET_ID_ELEMENT_RIGHT:
13194       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13195                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13196                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13197                             new_element);
13198
13199       if (edit_mode != ED_MODE_PROPERTIES)
13200       {
13201         last_edit_mode = edit_mode;
13202
13203         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13204
13205         last_level_drawing_function = drawing_function;
13206         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13207                       MB_LEFTBUTTON);
13208       }
13209       else if (properties_element != last_properties_element)
13210       {
13211         DrawEditModeWindow();
13212       }
13213       else
13214       {
13215         ChangeEditModeWindow(last_edit_mode);
13216
13217         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13218                       MB_LEFTBUTTON);
13219       }
13220       break;
13221
13222     case GADGET_ID_PALETTE:
13223       if (edit_mode != ED_MODE_PALETTE)
13224       {
13225         last_edit_mode = edit_mode;
13226
13227         ChangeEditModeWindow(ED_MODE_PALETTE);
13228       }
13229       else
13230       {
13231         ChangeEditModeWindow(last_edit_mode);
13232       }
13233       break;
13234
13235     case GADGET_ID_WRAP_LEFT:
13236       WrapLevel(-step, 0);
13237       break;
13238
13239     case GADGET_ID_WRAP_RIGHT:
13240       WrapLevel(step, 0);
13241       break;
13242
13243     case GADGET_ID_WRAP_UP:
13244       WrapLevel(0, -step);
13245       break;
13246
13247     case GADGET_ID_WRAP_DOWN:
13248       WrapLevel(0, step);
13249       break;
13250
13251     case GADGET_ID_SINGLE_ITEMS:
13252     case GADGET_ID_CONNECTED_ITEMS:
13253     case GADGET_ID_LINE:
13254     case GADGET_ID_ARC:
13255     case GADGET_ID_TEXT:
13256     case GADGET_ID_RECTANGLE:
13257     case GADGET_ID_FILLED_BOX:
13258     case GADGET_ID_FLOOD_FILL:
13259     case GADGET_ID_GRAB_BRUSH:
13260     case GADGET_ID_PICK_ELEMENT:
13261       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13262         last_drawing_function = drawing_function;
13263       drawing_function = id;
13264       draw_with_brush = FALSE;
13265       break;
13266
13267     case GADGET_ID_RANDOM_PLACEMENT:
13268       RandomPlacement(new_element);
13269       break;
13270
13271     case GADGET_ID_ZOOM:
13272       // zoom level editor tile size in or out (or reset to default size)
13273       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13274                      button == 2 ? DEFAULT_EDITOR_TILESIZE :
13275                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13276
13277       // limit zoom level by upper and lower bound
13278       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13279
13280       InitZoomLevelSettings(ed_tilesize);
13281
13282       if (edit_mode == ED_MODE_DRAWING)
13283       {
13284         DrawDrawingWindow();
13285
13286         /* redraw zoom gadget info text */
13287         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13288       }
13289
13290       /* save current editor zoom tilesize */
13291       SaveSetup_AutoSetup();
13292
13293       break;
13294
13295     case GADGET_ID_CUSTOM_COPY_FROM:
13296     case GADGET_ID_CUSTOM_COPY_TO:
13297     case GADGET_ID_CUSTOM_EXCHANGE:
13298       last_custom_copy_mode = id;
13299       last_drawing_function = drawing_function;
13300       break;
13301
13302     case GADGET_ID_CUSTOM_COPY:
13303       CopyCustomElement(properties_element, -1, id);
13304       break;
13305
13306     case GADGET_ID_CUSTOM_PASTE:
13307       CopyCustomElement(-1, properties_element, id);
13308       break;
13309
13310     case GADGET_ID_UNDO:
13311       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13312         button = 3;
13313
13314       if (button == 1 && undo_buffer_steps == 0)
13315       {
13316         Request("Undo buffer empty!", REQ_CONFIRM);
13317
13318         break;
13319       }
13320       else if (button == 2)
13321       {
13322         break;
13323       }
13324       else if (button == 3 && redo_buffer_steps == 0)
13325       {
13326         Request("Redo buffer empty!", REQ_CONFIRM);
13327
13328         break;
13329       }
13330
13331       if (edit_mode != ED_MODE_DRAWING)
13332         ChangeEditModeWindow(ED_MODE_DRAWING);
13333
13334       if (button == 1)
13335       {
13336         /* undo */
13337
13338         undo_buffer_position =
13339           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13340
13341         undo_buffer_steps--;
13342         redo_buffer_steps++;
13343       }
13344       else
13345       {
13346         /* redo */
13347
13348         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13349
13350         undo_buffer_steps++;
13351         redo_buffer_steps--;
13352       }
13353
13354       for (x = 0; x < lev_fieldx; x++)
13355         for (y = 0; y < lev_fieldy; y++)
13356           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13357
13358       /* check if undo operation forces change of border style */
13359       CheckLevelBorderElement(FALSE);
13360
13361       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13362
13363       break;
13364
13365     case GADGET_ID_INFO:
13366       if (edit_mode != ED_MODE_INFO)
13367       {
13368         last_edit_mode = edit_mode;
13369
13370         ChangeEditModeWindow(ED_MODE_INFO);
13371       }
13372       else
13373       {
13374         ChangeEditModeWindow(last_edit_mode);
13375       }
13376       break;
13377
13378     case GADGET_ID_CLEAR:
13379       if (edit_mode != ED_MODE_DRAWING)
13380         ChangeEditModeWindow(ED_MODE_DRAWING);
13381
13382       for (x = 0; x < MAX_LEV_FIELDX; x++)
13383         for (y = 0; y < MAX_LEV_FIELDY; y++)
13384           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13385
13386       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13387
13388       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13389       break;
13390
13391     case GADGET_ID_SAVE:
13392     {
13393       /* saving read-only levels into personal level set modifies global vars
13394          "leveldir_current" and "level_nr"; restore them after saving level */
13395       LevelDirTree *leveldir_former = leveldir_current;
13396       int level_nr_former = level_nr;
13397       char *level_filename;
13398       boolean new_level;
13399
13400       if (leveldir_current->readonly &&
13401           !PrepareSavingIntoPersonalLevelSet())
13402         break;
13403
13404       level_filename = getDefaultLevelFilename(level_nr);
13405       new_level = !fileExists(level_filename);
13406
13407       if (new_level ||
13408           Request("Save this level and kill the old?", REQ_ASK))
13409       {
13410         if (leveldir_former->readonly)
13411           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13412
13413         SetAutomaticNumberOfGemsNeeded();
13414
13415         CopyPlayfield(Feld, level.field);
13416         SaveLevel(level_nr);
13417
13418         level.changed = FALSE;
13419
13420         if (new_level)
13421         {
13422           char level_saved_msg[64];
13423
13424           if (leveldir_former->readonly)
13425             sprintf(level_saved_msg,
13426                     "Level saved as level %d into personal level set!",
13427                     level_nr);
13428           else
13429             strcpy(level_saved_msg, "Level saved!");
13430
13431           Request(level_saved_msg, REQ_CONFIRM);
13432         }
13433       }
13434
13435       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13436       leveldir_current = leveldir_former;
13437       level_nr = level_nr_former;
13438
13439       break;
13440     }
13441
13442     case GADGET_ID_TEST:
13443       if (LevelChanged())
13444         level.game_version = GAME_VERSION_ACTUAL;
13445
13446       CopyPlayfield(level.field, FieldBackup);
13447       CopyPlayfield(Feld, level.field);
13448
13449       CopyNativeLevel_RND_to_Native(&level);
13450
13451       UnmapLevelEditorGadgets();
13452       UndrawSpecialEditorDoor();
13453
13454       CloseDoor(DOOR_CLOSE_ALL);
13455
13456       /* needed before playing if editor playfield area has different size */
13457       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13458
13459       // redraw_mask = REDRAW_ALL;
13460
13461       level_editor_test_game = TRUE;
13462
13463       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13464
13465       break;
13466
13467     case GADGET_ID_EXIT:
13468       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13469       break;
13470
13471     default:
13472       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13473           id <= GADGET_ID_ELEMENTLIST_LAST)
13474       {
13475         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13476         int new_element = editor_elements[element_position + element_shift];
13477
13478         if (IS_EDITOR_CASCADE(new_element))
13479         {
13480           int i;
13481
13482           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13483           {
13484             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13485             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13486
13487             if (*cascade_element == new_element)
13488             {
13489               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13490               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13491
13492               /* update element selection list */
13493               ReinitializeElementList();
13494               ModifyEditorElementList();
13495
13496               /* update cascading gadget info text */
13497               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13498
13499               /* save current editor cascading state */
13500               SaveSetup_EditorCascade();
13501
13502               break;
13503             }
13504           }
13505
13506           break;
13507         }
13508
13509         if (last_custom_copy_mode != -1)
13510         {
13511           if (CopyCustomElement(properties_element, new_element,
13512                                 last_custom_copy_mode))
13513           {
13514             ClickOnGadget(level_editor_gadget[last_drawing_function],
13515                           MB_LEFTBUTTON);
13516
13517             last_custom_copy_mode = -1;
13518           }
13519
13520           break;
13521         }
13522
13523         /* change element of button used to show palette */
13524         if (editor.palette.show_on_element_buttons)
13525           button = last_button;
13526
13527         PickDrawingElement(button, new_element);
13528
13529         if (!stick_element_properties_window &&
13530             drawing_function != GADGET_ID_PICK_ELEMENT &&
13531             !(GetKeyModState() & KMOD_Control))
13532         {
13533           properties_element = new_element;
13534           if (edit_mode == ED_MODE_PROPERTIES)
13535             DrawPropertiesWindow();
13536         }
13537
13538         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13539           ClickOnGadget(level_editor_gadget[last_drawing_function],
13540                         MB_LEFTBUTTON);
13541
13542         if (!use_permanent_palette)
13543           ChangeEditModeWindow(last_edit_mode);
13544       }
13545 #ifdef DEBUG
13546       else if (gi->event.type == GD_EVENT_PRESSED)
13547         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13548       else if (gi->event.type == GD_EVENT_RELEASED)
13549         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13550       else if (gi->event.type == GD_EVENT_MOVING)
13551         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13552       else
13553         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13554 #endif
13555       break;
13556   }
13557 }
13558
13559 void HandleLevelEditorKeyInput(Key key)
13560 {
13561   char letter = getCharFromKey(key);
13562   int button = MB_LEFTBUTTON;
13563
13564   if (drawing_function == GADGET_ID_TEXT &&
13565       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13566   {
13567     if (letter)
13568       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13569     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13570       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13571     else if (key == KSYM_Return)
13572       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13573     else if (key == KSYM_Escape)
13574       DrawLevelText(0, 0, 0, TEXT_END);
13575   }
13576   else if (button_status == MB_RELEASED)
13577   {
13578     int id = GADGET_ID_NONE;
13579     int new_element_shift = element_shift;
13580     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13581     int i;
13582
13583     switch (key)
13584     {
13585       case KSYM_Left:
13586         id = GADGET_ID_SCROLL_LEFT;
13587         break;
13588       case KSYM_Right:
13589         id = GADGET_ID_SCROLL_RIGHT;
13590         break;
13591       case KSYM_Up:
13592         id = GADGET_ID_SCROLL_UP;
13593         break;
13594       case KSYM_Down:
13595         id = GADGET_ID_SCROLL_DOWN;
13596         break;
13597
13598       case KSYM_Page_Up:
13599       case KSYM_Page_Down:
13600         step *= (key == KSYM_Page_Up ? -1 : +1);
13601         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13602
13603         if (element_shift < 0)
13604           element_shift = 0;
13605         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13606           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13607
13608         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13609                      GDI_SCROLLBAR_ITEM_POSITION,
13610                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13611
13612         ModifyEditorElementList();
13613
13614         break;
13615
13616       case KSYM_Home:
13617       case KSYM_End:
13618         element_shift = (key == KSYM_Home ? 0 :
13619                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13620
13621         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13622                      GDI_SCROLLBAR_ITEM_POSITION,
13623                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13624
13625         ModifyEditorElementList();
13626
13627         break;
13628
13629       case KSYM_Insert:
13630       case KSYM_Delete:
13631
13632         /* this is needed to prevent interference with running "True X-Mouse" */
13633         if (GetKeyModStateFromEvents() & KMOD_Control)
13634           break;
13635
13636         /* check for last or next editor cascade block in element list */
13637         for (i = 0; i < num_editor_elements; i++)
13638         {
13639           if ((key == KSYM_Insert && i == element_shift) ||
13640               (key == KSYM_Delete && new_element_shift > element_shift))
13641             break;
13642
13643           /* jump to next cascade block (or to start of element list) */
13644           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13645             new_element_shift = i;
13646         }
13647
13648         if (i < num_editor_elements)
13649           element_shift = new_element_shift;
13650
13651         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13652           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13653
13654         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13655                      GDI_SCROLLBAR_ITEM_POSITION,
13656                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13657
13658         ModifyEditorElementList();
13659
13660         break;
13661
13662       case KSYM_Escape:
13663         if (edit_mode == ED_MODE_DRAWING)
13664         {
13665           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13666         }
13667         else if (edit_mode == ED_MODE_INFO)
13668         {
13669           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13670         }
13671         else if (edit_mode == ED_MODE_PROPERTIES)
13672         {
13673           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13674         }
13675         else if (edit_mode == ED_MODE_PALETTE)
13676         {
13677           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13678         }
13679         else            /* should never happen */
13680         {
13681           ChangeEditModeWindow(ED_MODE_DRAWING);
13682         }
13683
13684         break;
13685
13686       default:
13687         break;
13688     }
13689
13690     if (id != GADGET_ID_NONE)
13691       ClickOnGadget(level_editor_gadget[id], button);
13692     else if (letter == '1' || letter == '?')
13693       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13694     else if (letter == '2')
13695       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13696     else if (letter == '3')
13697       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13698     else if (letter == '.')
13699       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13700     else if (letter == 'U')
13701       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13702     else if (letter == '-' || key == KSYM_KP_Subtract)
13703       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13704     else if (letter == '0' || key == KSYM_KP_0)
13705       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13706     else if (letter == '+' || key == KSYM_KP_Add ||
13707              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13708       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13709     else if (key == KSYM_Return ||
13710              key == KSYM_space ||
13711              key == setup.shortcut.toggle_pause)
13712       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13713     else
13714       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13715         if (letter && letter == controlbutton_info[i].shortcut)
13716           if (!anyTextGadgetActive())
13717             ClickOnGadget(level_editor_gadget[i], button);
13718   }
13719 }
13720
13721 void HandleLevelEditorIdle()
13722 {
13723   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13724   int x = editor.settings.element_graphic.x + element_border;
13725   int y = editor.settings.element_graphic.y + element_border;
13726   static unsigned int action_delay = 0;
13727   unsigned int action_delay_value = GameFrameDelay;
13728   int i;
13729
13730   if (edit_mode != ED_MODE_PROPERTIES)
13731     return;
13732
13733   if (!DelayReached(&action_delay, action_delay_value))
13734     return;
13735
13736   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13737   {
13738     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13739
13740     if (gi->mapped && gi->active && gi->selectbox.open)
13741       return;
13742   }
13743
13744   DrawEditorElementAnimation(SX + x, SY + y);
13745
13746   redraw_mask |= REDRAW_FIELD;
13747
13748   FrameCounter++;       /* increase animation frame counter */
13749 }
13750
13751 static void ClearEditorGadgetInfoText()
13752 {
13753   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13754 }
13755
13756 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13757 {
13758   char infotext[MAX_OUTPUT_LINESIZE + 1];
13759   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13760   int max_infotext_len = getMaxInfoTextLength();
13761
13762   if (gi == NULL || strlen(gi->info_text) == 0)
13763     return;
13764
13765   strncpy(infotext, gi->info_text, max_infotext_len);
13766   infotext[max_infotext_len] = '\0';
13767
13768   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13769   {
13770     int key = controlbutton_info[gi->custom_id].shortcut;
13771
13772     if (key)
13773     {
13774       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13775         sprintf(shortcut, " ('.' or '%c')", key);
13776       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13777         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13778       else if (gi->custom_id == GADGET_ID_TEST)
13779         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13780       else if (gi->custom_id == GADGET_ID_UNDO)
13781         sprintf(shortcut, " ('%c/Shift-U')", key);
13782       else if (gi->custom_id == GADGET_ID_ZOOM)
13783         sprintf(shortcut, " ('%c', '0', '-')", key);
13784       else
13785         sprintf(shortcut, " ('%s%c')",
13786                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13787
13788       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13789         strcat(infotext, shortcut);
13790     }
13791   }
13792
13793   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13794 }
13795
13796 void HandleEditorGadgetInfoText(void *ptr)
13797 {
13798   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13799
13800   if (game_status != GAME_MODE_EDITOR)
13801     return;
13802
13803   ClearEditorGadgetInfoText();
13804
13805   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13806     return;
13807
13808   /* misuse this function to delete brush cursor, if needed */
13809   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13810     DeleteBrushFromCursor();
13811
13812   PrintEditorGadgetInfoText(gi);
13813 }
13814
13815 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13816 {
13817   static int start_lx, start_ly;
13818   int id = gi->custom_id;
13819   int type_id = gi->custom_type_id;
13820   int sx = gi->event.x;
13821   int sy = gi->event.y;
13822   int lx = sx + level_xpos;
13823   int ly = sy + level_ypos;
13824   int min_sx = 0, min_sy = 0;
13825   int max_sx = gi->drawing.area_xsize - 1;
13826   int max_sy = gi->drawing.area_ysize - 1;
13827   int actual_drawing_function = drawing_function;
13828   int max_infotext_len = getMaxInfoTextLength();
13829   char infotext[MAX_OUTPUT_LINESIZE + 1];
13830   char *text;
13831
13832   infotext[0] = '\0';           /* start with empty info text */
13833
13834   /* pressed Control key: simulate picking element */
13835   if (GetKeyModState() & KMOD_Control)
13836     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13837
13838   ClearEditorGadgetInfoText();
13839
13840   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13841     return;
13842
13843   /* make sure to stay inside drawing area boundaries */
13844   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13845   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13846
13847   if (id == GADGET_ID_DRAWING_LEVEL)
13848   {
13849     if (button_status)
13850     {
13851       int min_lx = 0, min_ly = 0;
13852       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13853
13854       /* get positions inside level field */
13855       lx = sx + level_xpos;
13856       ly = sy + level_ypos;
13857
13858       /* make sure to stay inside level field boundaries */
13859       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13860       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13861
13862       /* correct drawing area positions accordingly */
13863       sx = lx - level_xpos;
13864       sy = ly - level_ypos;
13865     }
13866
13867     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13868     {
13869       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13870       {
13871         if (gi->event.type == GD_EVENT_PRESSED)
13872         {
13873           start_lx = lx;
13874           start_ly = ly;
13875         }
13876
13877         switch (actual_drawing_function)
13878         {
13879           case GADGET_ID_SINGLE_ITEMS:
13880             text = "Drawing single items";
13881             break;
13882           case GADGET_ID_CONNECTED_ITEMS:
13883             text = "Drawing connected items";
13884             break;
13885           case GADGET_ID_LINE:
13886             text = "Drawing line";
13887             break;
13888           case GADGET_ID_ARC:
13889             text = "Drawing arc";
13890             break;
13891           case GADGET_ID_TEXT:
13892             text = "Setting text cursor";
13893             break;
13894           case GADGET_ID_RECTANGLE:
13895             text = "Drawing rectangle";
13896             break;
13897           case GADGET_ID_FILLED_BOX:
13898             text = "Drawing filled box";
13899             break;
13900           case GADGET_ID_FLOOD_FILL:
13901             text = "Flood fill";
13902             break;
13903           case GADGET_ID_GRAB_BRUSH:
13904             text = "Grabbing brush";
13905             break;
13906           case GADGET_ID_PICK_ELEMENT:
13907             text = "Picking element";
13908             break;
13909
13910           default:
13911             text = "Drawing position";
13912             break;
13913         }
13914
13915         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13916           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13917         else
13918           sprintf(infotext, "%s: %d, %d", text,
13919                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13920       }
13921       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13922         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13923       else
13924         sprintf(infotext, "Level position: %d, %d", lx, ly);
13925     }
13926
13927     /* misuse this function to draw brush cursor, if needed */
13928     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13929     {
13930       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13931         CopyBrushToCursor(sx, sy);
13932       else
13933         DeleteBrushFromCursor();
13934     }
13935   }
13936   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13937   {
13938     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13939     int element = drawingarea_info[type_id].value[pos];
13940
13941     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13942   }
13943   else
13944   {
13945     if (id == GADGET_ID_CUSTOM_CONTENT)
13946       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13947     else if (id == GADGET_ID_GROUP_CONTENT)
13948       sprintf(infotext, "group element position: %d", sx + 1);
13949     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13950              id <= GADGET_ID_YAMYAM_CONTENT_7)
13951       sprintf(infotext, "content area %d position: %d, %d",
13952               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13953     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13954              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13955       sprintf(infotext, "content area %d position: %d, %d",
13956               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13957     else if (id == GADGET_ID_ANDROID_CONTENT)
13958       sprintf(infotext, "android element position: %d", sx + 1);
13959     else if (drawingarea_info[type_id].infotext != NULL)
13960       strcpy(infotext, drawingarea_info[type_id].infotext);
13961   }
13962
13963   infotext[max_infotext_len] = '\0';
13964
13965   if (strlen(infotext) > 0)
13966     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13967 }
13968
13969 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13970                             boolean quick_quit)
13971 {
13972   if (!ask_if_level_has_changed ||
13973       !LevelChanged() ||
13974       Request("Level has changed! Exit without saving?",
13975               REQ_ASK | REQ_STAY_OPEN))
13976   {
13977     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13978     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13979
13980     /* draw normal door */
13981     UndrawSpecialEditorDoor();
13982
13983     // use door animation if door 1 viewport is unchanged and contains toolbox
13984     if (useEditorDoorAnimation())
13985       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
13986
13987     // close editor doors if viewport definition is the same as in main menu
13988     if (vp_door_1->x      == DX     &&
13989         vp_door_1->y      == DY     &&
13990         vp_door_1->width  == DXSIZE &&
13991         vp_door_1->height == DYSIZE &&
13992         vp_door_2->x      == VX     &&
13993         vp_door_2->y      == VY     &&
13994         vp_door_2->width  == VXSIZE &&
13995         vp_door_2->height == VYSIZE)
13996       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
13997     else
13998       SetDoorState(DOOR_CLOSE_2);
13999
14000     BackToFront();
14001
14002     if (quick_quit)
14003       FadeSkipNextFadeIn();
14004
14005     SetGameStatus(GAME_MODE_MAIN);
14006
14007     DrawMainMenu();
14008   }
14009   else
14010   {
14011     if (!global.use_envelope_request)
14012     {
14013       CloseDoor(DOOR_CLOSE_1);
14014       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14015     }
14016   }
14017 }