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 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
3696
3697 #define IN_ED_FIELD(x,y)        IN_FIELD(x, y, ed_fieldx, ed_fieldy)
3698
3699 /* drawing elements on the three mouse buttons */
3700 static int new_element1 = EL_WALL;
3701 static int new_element2 = EL_EMPTY;
3702 static int new_element3 = EL_SAND;
3703
3704 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
3705 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
3706                                 (button) == 2 ? new_element2 : \
3707                                 (button) == 3 ? new_element3 : EL_EMPTY)
3708
3709 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
3710
3711 static int use_permanent_palette = TRUE;
3712
3713 #define PX              (use_permanent_palette ? DX : SX)
3714 #define PY              (use_permanent_palette ? DY : SY)
3715 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
3716 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
3717
3718 /* forward declaration for internal use */
3719 static void ModifyEditorCounterValue(int, int);
3720 static void ModifyEditorCounterLimits(int, int, int);
3721 static void ModifyEditorSelectboxValue(int, int);
3722 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
3723 static void ModifyEditorDrawingArea(int, int, int);
3724 static void ModifyEditorElementList();
3725 static void AdjustElementListScrollbar();
3726 static void RedrawDrawingElements();
3727 static void DrawDrawingWindowExt(boolean);
3728 static void DrawDrawingWindow();
3729 static void DrawDrawingWindow_PlayfieldOnly();
3730 static void DrawLevelInfoWindow();
3731 static void DrawPropertiesWindow();
3732 static void DrawPaletteWindow();
3733 static void UpdateCustomElementGraphicGadgets();
3734 static boolean checkPropertiesConfig(int);
3735 static void SetAutomaticNumberOfGemsNeeded();
3736 static void ClearEditorGadgetInfoText();
3737 static void CopyLevelToUndoBuffer(int);
3738 static void HandleDrawingAreas(struct GadgetInfo *);
3739 static void HandleCounterButtons(struct GadgetInfo *);
3740 static void HandleTextInputGadgets(struct GadgetInfo *);
3741 static void HandleTextAreaGadgets(struct GadgetInfo *);
3742 static void HandleSelectboxGadgets(struct GadgetInfo *);
3743 static void HandleTextbuttonGadgets(struct GadgetInfo *);
3744 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
3745 static void HandleRadiobuttons(struct GadgetInfo *);
3746 static void HandleCheckbuttons(struct GadgetInfo *);
3747 static void HandleControlButtons(struct GadgetInfo *);
3748 static void HandleDrawingAreaInfo(struct GadgetInfo *);
3749 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
3750 static boolean AskToCopyAndModifyLevelTemplate();
3751 static boolean getDrawModeHiRes();
3752 static int getTabulatorBarWidth();
3753 static int getTabulatorBarHeight();
3754 static Pixel getTabulatorBarColor();
3755
3756 static int num_editor_gadgets = 0;      /* dynamically determined */
3757
3758 static struct GadgetInfo **level_editor_gadget = NULL;
3759 static int *right_gadget_border = NULL;
3760
3761 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
3762 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
3763 static boolean draw_with_brush = FALSE;
3764 static int properties_element = 0;
3765
3766 static short FieldBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3767 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3768 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
3769 static int undo_buffer_position = 0;
3770 static int undo_buffer_steps = 0;
3771 static int redo_buffer_steps = 0;
3772
3773 static int edit_mode;
3774 static int edit_mode_levelinfo;
3775 static int edit_mode_properties;
3776
3777 static int element_shift = 0;
3778
3779 static int editor_el_players[] =
3780 {
3781   EL_PLAYER_1,
3782   EL_PLAYER_2,
3783   EL_PLAYER_3,
3784   EL_PLAYER_4
3785 };
3786 static int *editor_el_players_ptr = editor_el_players;
3787 static int num_editor_el_players = SIZEOF_ARRAY_INT(editor_el_players);
3788
3789 static int editor_hl_boulderdash[] =
3790 {
3791   EL_INTERNAL_CASCADE_BD_ACTIVE,
3792   EL_CHAR('B'),
3793   EL_CHAR('D'),
3794   EL_EMPTY,
3795 };
3796
3797 static int editor_el_boulderdash[] =
3798 {
3799   EL_EMPTY,
3800   EL_SAND,
3801   EL_BD_ROCK,
3802   EL_BD_DIAMOND,
3803
3804   EL_STEELWALL,
3805   EL_BD_WALL,
3806   EL_BD_EXPANDABLE_WALL,
3807   EL_BD_MAGIC_WALL,
3808
3809   EL_BD_AMOEBA,
3810   EL_BD_BUTTERFLY_UP,
3811   EL_BD_FIREFLY_UP,
3812   EL_EXIT_CLOSED,
3813
3814   EL_BD_BUTTERFLY_LEFT,
3815   EL_BD_FIREFLY_LEFT,
3816   EL_BD_BUTTERFLY_RIGHT,
3817   EL_BD_FIREFLY_RIGHT,
3818
3819   EL_EMPTY,
3820   EL_BD_BUTTERFLY_DOWN,
3821   EL_BD_FIREFLY_DOWN,
3822   EL_EXIT_OPEN,
3823 };
3824 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
3825 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
3826 static int num_editor_hl_boulderdash = SIZEOF_ARRAY_INT(editor_hl_boulderdash);
3827 static int num_editor_el_boulderdash = SIZEOF_ARRAY_INT(editor_el_boulderdash);
3828
3829 static int editor_hl_emerald_mine[] =
3830 {
3831   EL_INTERNAL_CASCADE_EM_ACTIVE,
3832   EL_CHAR('E'),
3833   EL_CHAR('M'),
3834   EL_EMPTY,
3835 };
3836
3837 static int editor_el_emerald_mine[] =
3838 {
3839   EL_SAND,
3840   EL_ROCK,
3841   EL_QUICKSAND_EMPTY,
3842   EL_QUICKSAND_FULL,
3843
3844   EL_STEELWALL,
3845   EL_WALL,
3846   EL_WALL_SLIPPERY,
3847   EL_MAGIC_WALL,
3848
3849   EL_EMERALD,
3850   EL_DIAMOND,
3851   EL_NUT,
3852   EL_BOMB,
3853
3854   EL_WALL_EMERALD,
3855   EL_WALL_DIAMOND,
3856   EL_DYNAMITE,
3857   EL_DYNAMITE_ACTIVE,
3858
3859   EL_YAMYAM,
3860   EL_BUG_UP,
3861   EL_SPACESHIP_UP,
3862   EL_ROBOT,
3863
3864   EL_BUG_LEFT,
3865   EL_SPACESHIP_LEFT,
3866   EL_BUG_RIGHT,
3867   EL_SPACESHIP_RIGHT,
3868
3869   EL_ROBOT_WHEEL,
3870   EL_BUG_DOWN,
3871   EL_SPACESHIP_DOWN,
3872   EL_INVISIBLE_WALL,
3873
3874   EL_ACID_POOL_TOPLEFT,
3875   EL_ACID,
3876   EL_ACID_POOL_TOPRIGHT,
3877   EL_AMOEBA_DROP,
3878
3879   EL_ACID_POOL_BOTTOMLEFT,
3880   EL_ACID_POOL_BOTTOM,
3881   EL_ACID_POOL_BOTTOMRIGHT,
3882   EL_AMOEBA_WET,
3883
3884   EL_EM_KEY_1,
3885   EL_EM_KEY_2,
3886   EL_EM_KEY_3,
3887   EL_EM_KEY_4,
3888
3889   EL_EM_GATE_1,
3890   EL_EM_GATE_2,
3891   EL_EM_GATE_3,
3892   EL_EM_GATE_4,
3893
3894   EL_EM_GATE_1_GRAY,
3895   EL_EM_GATE_2_GRAY,
3896   EL_EM_GATE_3_GRAY,
3897   EL_EM_GATE_4_GRAY,
3898
3899   EL_EM_EXIT_CLOSED,
3900   EL_EM_EXIT_OPEN,
3901   EL_EM_STEEL_EXIT_CLOSED,
3902   EL_EM_STEEL_EXIT_OPEN,
3903 };
3904 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
3905 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
3906 static int num_editor_hl_emerald_mine=SIZEOF_ARRAY_INT(editor_hl_emerald_mine);
3907 static int num_editor_el_emerald_mine=SIZEOF_ARRAY_INT(editor_el_emerald_mine);
3908
3909 static int editor_hl_emerald_mine_club[] =
3910 {
3911   EL_INTERNAL_CASCADE_EMC_ACTIVE,
3912   EL_CHAR('E'),
3913   EL_CHAR('M'),
3914   EL_CHAR('C'),
3915 };
3916
3917 static int editor_el_emerald_mine_club[] =
3918 {
3919   EL_EMC_KEY_5,
3920   EL_EMC_KEY_6,
3921   EL_EMC_KEY_7,
3922   EL_EMC_KEY_8,
3923
3924   EL_EMC_GATE_5,
3925   EL_EMC_GATE_6,
3926   EL_EMC_GATE_7,
3927   EL_EMC_GATE_8,
3928
3929   EL_EMC_GATE_5_GRAY,
3930   EL_EMC_GATE_6_GRAY,
3931   EL_EMC_GATE_7_GRAY,
3932   EL_EMC_GATE_8_GRAY,
3933
3934   EL_EMC_STEELWALL_1,
3935   EL_EMC_STEELWALL_2,
3936   EL_EMC_STEELWALL_3,
3937   EL_EMC_STEELWALL_4,
3938
3939   EL_EMC_WALL_13,
3940   EL_EMC_WALL_14,
3941   EL_EMC_WALL_15,
3942   EL_EMC_WALL_16,
3943
3944   EL_EMC_WALL_SLIPPERY_1,
3945   EL_EMC_WALL_SLIPPERY_2,
3946   EL_EMC_WALL_SLIPPERY_3,
3947   EL_EMC_WALL_SLIPPERY_4,
3948
3949   EL_EMC_WALL_1,
3950   EL_EMC_WALL_2,
3951   EL_EMC_WALL_3,
3952   EL_EMC_WALL_4,
3953
3954   EL_EMC_WALL_5,
3955   EL_EMC_WALL_6,
3956   EL_EMC_WALL_7,
3957   EL_EMC_WALL_8,
3958
3959   EL_EMC_WALL_9,
3960   EL_EMC_WALL_10,
3961   EL_EMC_WALL_11,
3962   EL_EMC_WALL_12,
3963
3964   EL_EMC_GRASS,
3965   EL_EMC_FAKE_GRASS,
3966   EL_EMC_PLANT,
3967   EL_EMC_DRIPPER,
3968
3969   EL_EMC_MAGIC_BALL,
3970   EL_EMC_MAGIC_BALL_SWITCH,
3971   EL_SPRING,
3972   EL_EMC_SPRING_BUMPER,
3973
3974   EL_EMC_LENSES,
3975   EL_EMC_MAGNIFIER,
3976   EL_EM_DYNAMITE,
3977   EL_EM_DYNAMITE_ACTIVE,
3978
3979   EL_BALLOON,
3980   EL_YAMYAM_UP,
3981   EL_BALLOON_SWITCH_UP,
3982   EL_BALLOON_SWITCH_ANY,
3983
3984   EL_YAMYAM_LEFT,
3985   EL_BALLOON_SWITCH_LEFT,
3986   EL_YAMYAM_RIGHT,
3987   EL_BALLOON_SWITCH_RIGHT,
3988
3989   EL_EMC_ANDROID,
3990   EL_YAMYAM_DOWN,
3991   EL_BALLOON_SWITCH_DOWN,
3992   EL_BALLOON_SWITCH_NONE,
3993 };
3994 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
3995 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
3996 static int num_editor_hl_emerald_mine_club=SIZEOF_ARRAY_INT(editor_hl_emerald_mine_club);
3997 static int num_editor_el_emerald_mine_club=SIZEOF_ARRAY_INT(editor_el_emerald_mine_club);
3998
3999 static int editor_hl_rnd[] =
4000 {
4001   EL_INTERNAL_CASCADE_RND_ACTIVE,
4002   EL_CHAR('R'),
4003   EL_CHAR('N'),
4004   EL_CHAR('D'),
4005 };
4006
4007 static int editor_el_rnd[] =
4008 {
4009   EL_KEY_1,
4010   EL_KEY_2,
4011   EL_KEY_3,
4012   EL_KEY_4,
4013
4014   EL_GATE_1,
4015   EL_GATE_2,
4016   EL_GATE_3,
4017   EL_GATE_4,
4018
4019   EL_GATE_1_GRAY,
4020   EL_GATE_2_GRAY,
4021   EL_GATE_3_GRAY,
4022   EL_GATE_4_GRAY,
4023
4024   EL_ARROW_LEFT,
4025   EL_ARROW_RIGHT,
4026   EL_ARROW_UP,
4027   EL_ARROW_DOWN,
4028
4029   EL_AMOEBA_DEAD,
4030   EL_AMOEBA_DRY,
4031   EL_AMOEBA_FULL,
4032   EL_GAME_OF_LIFE,
4033
4034   EL_EMERALD_YELLOW,
4035   EL_EMERALD_RED,
4036   EL_EMERALD_PURPLE,
4037   EL_BIOMAZE,
4038
4039   EL_WALL_EMERALD_YELLOW,
4040   EL_WALL_EMERALD_RED,
4041   EL_WALL_EMERALD_PURPLE,
4042   EL_WALL_BD_DIAMOND,
4043
4044   EL_SPEED_PILL,
4045   EL_PACMAN_UP,
4046   EL_TIME_ORB_FULL,
4047   EL_TIME_ORB_EMPTY,
4048
4049   EL_PACMAN_LEFT,
4050   EL_DARK_YAMYAM,
4051   EL_PACMAN_RIGHT,
4052   EL_EMPTY,
4053
4054   EL_BLACK_ORB,
4055   EL_PACMAN_DOWN,
4056   EL_LAMP,
4057   EL_LAMP_ACTIVE,
4058
4059   EL_DYNABOMB_INCREASE_NUMBER,
4060   EL_DYNABOMB_INCREASE_SIZE,
4061   EL_DYNABOMB_INCREASE_POWER,
4062   EL_STONEBLOCK,
4063
4064   EL_MOLE,
4065   EL_PENGUIN,
4066   EL_PIG,
4067   EL_DRAGON,
4068
4069   EL_BUG,
4070   EL_MOLE_UP,
4071   EL_BD_BUTTERFLY,
4072   EL_BD_FIREFLY,
4073
4074   EL_MOLE_LEFT,
4075   EL_SATELLITE,
4076   EL_MOLE_RIGHT,
4077   EL_PACMAN,
4078
4079   EL_SPACESHIP,
4080   EL_MOLE_DOWN,
4081   EL_INVISIBLE_STEELWALL,
4082   EL_INVISIBLE_WALL,
4083
4084   EL_EXPANDABLE_WALL,
4085   EL_EXPANDABLE_WALL_HORIZONTAL,
4086   EL_EXPANDABLE_WALL_VERTICAL,
4087   EL_EXPANDABLE_WALL_ANY,
4088 };
4089 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4090 static int *editor_el_rnd_ptr = editor_el_rnd;
4091 static int num_editor_hl_rnd = SIZEOF_ARRAY_INT(editor_hl_rnd);
4092 static int num_editor_el_rnd = SIZEOF_ARRAY_INT(editor_el_rnd);
4093
4094 static int editor_hl_sokoban[] =
4095 {
4096   EL_INTERNAL_CASCADE_SB_ACTIVE,
4097   EL_CHAR('S'),
4098   EL_CHAR('B'),
4099   EL_EMPTY,
4100 };
4101
4102 static int editor_el_sokoban[] =
4103 {
4104   EL_SOKOBAN_OBJECT,
4105   EL_SOKOBAN_FIELD_EMPTY,
4106   EL_SOKOBAN_FIELD_FULL,
4107   EL_SOKOBAN_FIELD_PLAYER,
4108 };
4109 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4110 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4111 static int num_editor_hl_sokoban = SIZEOF_ARRAY_INT(editor_hl_sokoban);
4112 static int num_editor_el_sokoban = SIZEOF_ARRAY_INT(editor_el_sokoban);
4113
4114 static int editor_hl_supaplex[] =
4115 {
4116   EL_INTERNAL_CASCADE_SP_ACTIVE,
4117   EL_CHAR('S'),
4118   EL_CHAR('P'),
4119   EL_EMPTY,
4120 };
4121
4122 static int editor_el_supaplex[] =
4123 {
4124   EL_SP_MURPHY,
4125   EL_EMPTY,
4126   EL_SP_BASE,
4127   EL_SP_BUGGY_BASE,
4128
4129   EL_SP_INFOTRON,
4130   EL_SP_ZONK,
4131   EL_SP_SNIKSNAK,
4132   EL_SP_ELECTRON,
4133
4134   EL_SP_DISK_RED,
4135   EL_SP_DISK_ORANGE,
4136   EL_SP_DISK_YELLOW,
4137   EL_SP_TERMINAL,
4138
4139   EL_SP_EXIT_CLOSED,
4140   EL_SP_PORT_HORIZONTAL,
4141   EL_SP_PORT_VERTICAL,
4142   EL_SP_PORT_ANY,
4143
4144   EL_SP_PORT_LEFT,
4145   EL_SP_PORT_RIGHT,
4146   EL_SP_PORT_UP,
4147   EL_SP_PORT_DOWN,
4148
4149   EL_SP_GRAVITY_PORT_LEFT,
4150   EL_SP_GRAVITY_PORT_RIGHT,
4151   EL_SP_GRAVITY_PORT_UP,
4152   EL_SP_GRAVITY_PORT_DOWN,
4153
4154   EL_SP_GRAVITY_ON_PORT_LEFT,
4155   EL_SP_GRAVITY_ON_PORT_RIGHT,
4156   EL_SP_GRAVITY_ON_PORT_UP,
4157   EL_SP_GRAVITY_ON_PORT_DOWN,
4158
4159   EL_SP_GRAVITY_OFF_PORT_LEFT,
4160   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4161   EL_SP_GRAVITY_OFF_PORT_UP,
4162   EL_SP_GRAVITY_OFF_PORT_DOWN,
4163
4164   EL_SP_HARDWARE_GRAY,
4165   EL_SP_HARDWARE_GREEN,
4166   EL_SP_HARDWARE_BLUE,
4167   EL_SP_HARDWARE_RED,
4168
4169   EL_SP_HARDWARE_BASE_1,
4170   EL_SP_HARDWARE_BASE_2,
4171   EL_SP_HARDWARE_BASE_3,
4172   EL_SP_HARDWARE_BASE_4,
4173
4174   EL_SP_HARDWARE_BASE_5,
4175   EL_SP_HARDWARE_BASE_6,
4176   EL_SP_HARDWARE_YELLOW,
4177   EL_SP_CHIP_TOP,
4178
4179   EL_SP_CHIP_SINGLE,
4180   EL_SP_CHIP_LEFT,
4181   EL_SP_CHIP_RIGHT,
4182   EL_SP_CHIP_BOTTOM,
4183 };
4184 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4185 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4186 static int num_editor_hl_supaplex = SIZEOF_ARRAY_INT(editor_hl_supaplex);
4187 static int num_editor_el_supaplex = SIZEOF_ARRAY_INT(editor_el_supaplex);
4188
4189 static int editor_hl_diamond_caves[] =
4190 {
4191   EL_INTERNAL_CASCADE_DC_ACTIVE,
4192   EL_CHAR('D'),
4193   EL_CHAR('C'),
4194   EL_CHAR('2'),
4195 };
4196
4197 static int editor_el_diamond_caves[] =
4198 {
4199   EL_PEARL,
4200   EL_CRYSTAL,
4201   EL_WALL_PEARL,
4202   EL_WALL_CRYSTAL,
4203
4204   EL_CONVEYOR_BELT_1_LEFT,
4205   EL_CONVEYOR_BELT_1_MIDDLE,
4206   EL_CONVEYOR_BELT_1_RIGHT,
4207   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
4208
4209   EL_CONVEYOR_BELT_2_LEFT,
4210   EL_CONVEYOR_BELT_2_MIDDLE,
4211   EL_CONVEYOR_BELT_2_RIGHT,
4212   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
4213
4214   EL_CONVEYOR_BELT_3_LEFT,
4215   EL_CONVEYOR_BELT_3_MIDDLE,
4216   EL_CONVEYOR_BELT_3_RIGHT,
4217   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
4218
4219   EL_CONVEYOR_BELT_4_LEFT,
4220   EL_CONVEYOR_BELT_4_MIDDLE,
4221   EL_CONVEYOR_BELT_4_RIGHT,
4222   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
4223
4224   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
4225   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
4226   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
4227   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
4228
4229   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
4230   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
4231   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
4232   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
4233
4234   EL_TIMEGATE_CLOSED,
4235   EL_TIMEGATE_OPEN,
4236   EL_TIMEGATE_SWITCH,
4237   EL_DC_TIMEGATE_SWITCH,
4238
4239   EL_SWITCHGATE_CLOSED,
4240   EL_SWITCHGATE_OPEN,
4241   EL_SWITCHGATE_SWITCH_UP,
4242   EL_SWITCHGATE_SWITCH_DOWN,
4243
4244   EL_LIGHT_SWITCH,
4245   EL_LIGHT_SWITCH_ACTIVE,
4246   EL_DC_SWITCHGATE_SWITCH_UP,
4247   EL_DC_SWITCHGATE_SWITCH_DOWN,
4248
4249   EL_STEEL_EXIT_CLOSED,
4250   EL_STEEL_EXIT_OPEN,
4251   EL_STEELWALL_SLIPPERY,
4252   EL_INVISIBLE_SAND,
4253
4254   EL_QUICKSAND_FAST_EMPTY,
4255   EL_QUICKSAND_FAST_FULL,
4256   EL_LANDMINE,
4257   EL_DC_LANDMINE,
4258
4259   EL_SHIELD_NORMAL,
4260   EL_SHIELD_DEADLY,
4261   EL_EXTRA_TIME,
4262   EL_DC_MAGIC_WALL,
4263
4264   EL_ENVELOPE_1,
4265   EL_ENVELOPE_2,
4266   EL_ENVELOPE_3,
4267   EL_ENVELOPE_4,
4268
4269   EL_SIGN_RADIOACTIVITY,
4270   EL_SIGN_WHEELCHAIR,
4271   EL_SIGN_PARKING,
4272   EL_SIGN_NO_ENTRY,
4273
4274   EL_SIGN_GIVE_WAY,
4275   EL_SIGN_ENTRY_FORBIDDEN,
4276   EL_SIGN_EMERGENCY_EXIT,
4277   EL_SIGN_YIN_YANG,
4278
4279 #if 0
4280   EL_SIGN_SPERMS,
4281   EL_SIGN_BULLET,
4282   EL_SIGN_HEART,
4283   EL_SIGN_CROSS,
4284
4285   EL_SIGN_FRANKIE,
4286   EL_EMPTY,
4287   EL_EMPTY,
4288   EL_EMPTY,
4289
4290   EL_SPERMS,
4291   EL_BULLET,
4292   EL_HEART,
4293   EL_CROSS,
4294
4295   EL_FRANKIE,
4296   EL_EMPTY,
4297   EL_EMPTY,
4298   EL_EMPTY,
4299 #endif
4300
4301   EL_DC_STEELWALL_2_SINGLE,
4302   EL_DC_STEELWALL_2_TOP,
4303   EL_SIGN_EXCLAMATION,
4304   EL_SIGN_STOP,
4305
4306   EL_DC_STEELWALL_2_LEFT,
4307   EL_DC_STEELWALL_2_MIDDLE,
4308   EL_DC_STEELWALL_2_HORIZONTAL,
4309   EL_DC_STEELWALL_2_RIGHT,
4310
4311   EL_DC_STEELWALL_1_TOPLEFT,
4312   EL_DC_STEELWALL_2_VERTICAL,
4313   EL_DC_STEELWALL_1_TOPRIGHT,
4314   EL_DC_GATE_WHITE,
4315
4316   EL_DC_STEELWALL_1_VERTICAL,
4317   EL_DC_STEELWALL_2_BOTTOM,
4318   EL_DC_KEY_WHITE,
4319   EL_DC_GATE_WHITE_GRAY,
4320
4321   EL_DC_STEELWALL_1_BOTTOMLEFT,
4322   EL_DC_STEELWALL_1_HORIZONTAL,
4323   EL_DC_STEELWALL_1_BOTTOMRIGHT,
4324   EL_DC_GATE_FAKE_GRAY,
4325
4326   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
4327   EL_DC_STEELWALL_1_BOTTOM,
4328   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
4329   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
4330
4331   EL_DC_STEELWALL_1_RIGHT,
4332   EL_EMPTY,
4333   EL_DC_STEELWALL_1_LEFT,
4334   EL_EXPANDABLE_STEELWALL_VERTICAL,
4335
4336   EL_DC_STEELWALL_1_TOPRIGHT_2,
4337   EL_DC_STEELWALL_1_TOP,
4338   EL_DC_STEELWALL_1_TOPLEFT_2,
4339   EL_EXPANDABLE_STEELWALL_ANY,
4340 };
4341 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
4342 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
4343 static int num_editor_hl_diamond_caves = SIZEOF_ARRAY_INT(editor_hl_diamond_caves);
4344 static int num_editor_el_diamond_caves = SIZEOF_ARRAY_INT(editor_el_diamond_caves);
4345
4346 static int editor_hl_dx_boulderdash[] =
4347 {
4348   EL_INTERNAL_CASCADE_DX_ACTIVE,
4349   EL_CHAR('D'),
4350   EL_CHAR('X'),
4351   EL_EMPTY,
4352 };
4353
4354 static int editor_el_dx_boulderdash[] =
4355 {
4356   EL_EMPTY,
4357   EL_TUBE_RIGHT_DOWN,
4358   EL_TUBE_HORIZONTAL_DOWN,
4359   EL_TUBE_LEFT_DOWN,
4360
4361   EL_TUBE_HORIZONTAL,
4362   EL_TUBE_VERTICAL_RIGHT,
4363   EL_TUBE_ANY,
4364   EL_TUBE_VERTICAL_LEFT,
4365
4366   EL_TUBE_VERTICAL,
4367   EL_TUBE_RIGHT_UP,
4368   EL_TUBE_HORIZONTAL_UP,
4369   EL_TUBE_LEFT_UP,
4370
4371   EL_TRAP,
4372   EL_DX_SUPABOMB,
4373   EL_EMPTY,
4374   EL_EMPTY
4375 };
4376 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
4377 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
4378 static int num_editor_hl_dx_boulderdash = SIZEOF_ARRAY_INT(editor_hl_dx_boulderdash);
4379 static int num_editor_el_dx_boulderdash = SIZEOF_ARRAY_INT(editor_el_dx_boulderdash);
4380
4381 static int editor_hl_mirror_magic[] =
4382 {
4383   EL_INTERNAL_CASCADE_MM_ACTIVE,
4384   EL_CHAR('M'),
4385   EL_CHAR('M'),
4386   EL_EMPTY,
4387 };
4388
4389 static int editor_el_mirror_magic[] =
4390 {
4391   EL_MM_MCDUFFIN_RIGHT,
4392   EL_MM_MCDUFFIN_UP,
4393   EL_MM_MCDUFFIN_LEFT,
4394   EL_MM_MCDUFFIN_DOWN,
4395
4396   EL_MM_MIRROR_START,
4397   EL_MM_MIRROR_FIXED_START,
4398   EL_MM_POLARISATOR_START,
4399   EL_MM_POLARISATOR_CROSS_START,
4400
4401   EL_MM_BEAMER_RED_START,
4402   EL_MM_BEAMER_YELLOW_START,
4403   EL_MM_BEAMER_GREEN_START,
4404   EL_MM_BEAMER_BLUE_START,
4405
4406   EL_MM_PRISM,
4407   EL_MM_FUSE_ACTIVE,
4408   EL_MM_PACMAN_RIGHT,
4409   EL_MM_EXIT_CLOSED,
4410
4411   EL_MM_KETTLE,
4412   EL_MM_BOMB,
4413   EL_MM_KEY,
4414   EL_MM_FUEL_FULL,
4415
4416   EL_MM_LIGHTBULB,
4417   EL_MM_LIGHTBULB_ACTIVE,
4418   EL_MM_GRAY_BALL,
4419   EL_MM_LIGHTBALL,
4420
4421   EL_MM_STEEL_WALL,
4422   EL_MM_WOODEN_WALL,
4423   EL_MM_ICE_WALL,
4424   EL_MM_AMOEBA_WALL,
4425
4426   EL_MM_STEEL_LOCK,
4427   EL_MM_WOODEN_LOCK,
4428   EL_MM_STEEL_BLOCK,
4429   EL_MM_WOODEN_BLOCK,
4430
4431   EL_MM_STEEL_GRID_FIXED_1,
4432   EL_MM_STEEL_GRID_FIXED_2,
4433   EL_MM_STEEL_GRID_FIXED_3,
4434   EL_MM_STEEL_GRID_FIXED_4,
4435
4436   EL_MM_WOODEN_GRID_FIXED_1,
4437   EL_MM_WOODEN_GRID_FIXED_2,
4438   EL_MM_WOODEN_GRID_FIXED_3,
4439   EL_MM_WOODEN_GRID_FIXED_4
4440 };
4441 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
4442 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
4443 static int num_editor_hl_mirror_magic = SIZEOF_ARRAY_INT(editor_hl_mirror_magic);
4444 static int num_editor_el_mirror_magic = SIZEOF_ARRAY_INT(editor_el_mirror_magic);
4445
4446 static int editor_hl_deflektor[] =
4447 {
4448   EL_INTERNAL_CASCADE_DF_ACTIVE,
4449   EL_CHAR('D'),
4450   EL_CHAR('F'),
4451   EL_EMPTY,
4452 };
4453
4454 static int editor_el_deflektor[] =
4455 {
4456   EL_DF_LASER_RIGHT,
4457   EL_DF_LASER_UP,
4458   EL_DF_LASER_LEFT,
4459   EL_DF_LASER_DOWN,
4460
4461   EL_DF_RECEIVER_RIGHT,
4462   EL_DF_RECEIVER_UP,
4463   EL_DF_RECEIVER_LEFT,
4464   EL_DF_RECEIVER_DOWN,
4465
4466   EL_DF_MIRROR_START,
4467   EL_DF_MIRROR_ROTATING_START,
4468   EL_DF_CELL,
4469   EL_DF_MINE,
4470
4471   EL_DF_FIBRE_OPTIC_RED_1,
4472   EL_DF_FIBRE_OPTIC_YELLOW_1,
4473   EL_DF_FIBRE_OPTIC_GREEN_1,
4474   EL_DF_FIBRE_OPTIC_BLUE_1,
4475
4476   EL_DF_STEEL_GRID_FIXED_START,
4477   EL_DF_STEEL_GRID_ROTATING_START,
4478   EL_DF_WOODEN_GRID_FIXED_START,
4479   EL_DF_WOODEN_GRID_ROTATING_START,
4480
4481   EL_DF_STEEL_WALL,
4482   EL_DF_WOODEN_WALL,
4483   EL_DF_REFRACTOR,
4484   EL_EMPTY
4485 };
4486 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
4487 static int *editor_el_deflektor_ptr = editor_el_deflektor;
4488 static int num_editor_hl_deflektor = SIZEOF_ARRAY_INT(editor_hl_deflektor);
4489 static int num_editor_el_deflektor = SIZEOF_ARRAY_INT(editor_el_deflektor);
4490
4491 static int editor_hl_chars[] =
4492 {
4493   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
4494   EL_CHAR('T'),
4495   EL_CHAR('X'),
4496   EL_CHAR('T'),
4497 };
4498
4499 static int editor_el_chars[] =
4500 {
4501   EL_CHAR(' '),
4502   EL_CHAR('!'),
4503   EL_CHAR('"'),
4504   EL_CHAR('#'),
4505
4506   EL_CHAR('$'),
4507   EL_CHAR('%'),
4508   EL_CHAR('&'),
4509   EL_CHAR('\''),
4510
4511   EL_CHAR('('),
4512   EL_CHAR(')'),
4513   EL_CHAR('*'),
4514   EL_CHAR('+'),
4515
4516   EL_CHAR(','),
4517   EL_CHAR('-'),
4518   EL_CHAR('.'),
4519   EL_CHAR('/'),
4520
4521   EL_CHAR('0'),
4522   EL_CHAR('1'),
4523   EL_CHAR('2'),
4524   EL_CHAR('3'),
4525
4526   EL_CHAR('4'),
4527   EL_CHAR('5'),
4528   EL_CHAR('6'),
4529   EL_CHAR('7'),
4530
4531   EL_CHAR('8'),
4532   EL_CHAR('9'),
4533   EL_CHAR(':'),
4534   EL_CHAR(';'),
4535
4536   EL_CHAR('<'),
4537   EL_CHAR('='),
4538   EL_CHAR('>'),
4539   EL_CHAR('?'),
4540
4541   EL_CHAR('@'),
4542   EL_CHAR('A'),
4543   EL_CHAR('B'),
4544   EL_CHAR('C'),
4545
4546   EL_CHAR('D'),
4547   EL_CHAR('E'),
4548   EL_CHAR('F'),
4549   EL_CHAR('G'),
4550
4551   EL_CHAR('H'),
4552   EL_CHAR('I'),
4553   EL_CHAR('J'),
4554   EL_CHAR('K'),
4555
4556   EL_CHAR('L'),
4557   EL_CHAR('M'),
4558   EL_CHAR('N'),
4559   EL_CHAR('O'),
4560
4561   EL_CHAR('P'),
4562   EL_CHAR('Q'),
4563   EL_CHAR('R'),
4564   EL_CHAR('S'),
4565
4566   EL_CHAR('T'),
4567   EL_CHAR('U'),
4568   EL_CHAR('V'),
4569   EL_CHAR('W'),
4570
4571   EL_CHAR('X'),
4572   EL_CHAR('Y'),
4573   EL_CHAR('Z'),
4574   EL_CHAR('['),
4575
4576   EL_CHAR('\\'),
4577   EL_CHAR(']'),
4578   EL_CHAR('^'),
4579   EL_CHAR('_'),
4580
4581   EL_CHAR(CHAR_BYTE_COPYRIGHT),
4582   EL_CHAR(CHAR_BYTE_UMLAUT_A),
4583   EL_CHAR(CHAR_BYTE_UMLAUT_O),
4584   EL_CHAR(CHAR_BYTE_UMLAUT_U),
4585
4586   EL_CHAR(CHAR_BYTE_DEGREE),
4587   EL_CHAR(CHAR_BYTE_REGISTERED),
4588   EL_CHAR(FONT_ASCII_CURSOR),
4589   EL_CHAR(FONT_ASCII_BUTTON),
4590
4591   EL_CHAR(FONT_ASCII_UP),
4592   EL_CHAR(FONT_ASCII_DOWN),
4593   EL_CHAR(' '),
4594   EL_CHAR(' ')
4595 };
4596 static int *editor_hl_chars_ptr = editor_hl_chars;
4597 static int *editor_el_chars_ptr = editor_el_chars;
4598 static int num_editor_hl_chars = SIZEOF_ARRAY_INT(editor_hl_chars);
4599 static int num_editor_el_chars = SIZEOF_ARRAY_INT(editor_el_chars);
4600
4601 static int editor_hl_steel_chars[] =
4602 {
4603   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
4604   EL_STEEL_CHAR('T'),
4605   EL_STEEL_CHAR('X'),
4606   EL_STEEL_CHAR('T'),
4607 };
4608
4609 static int editor_el_steel_chars[] =
4610 {
4611   EL_STEEL_CHAR(' '),
4612   EL_STEEL_CHAR('!'),
4613   EL_STEEL_CHAR('"'),
4614   EL_STEEL_CHAR('#'),
4615
4616   EL_STEEL_CHAR('$'),
4617   EL_STEEL_CHAR('%'),
4618   EL_STEEL_CHAR('&'),
4619   EL_STEEL_CHAR('\''),
4620
4621   EL_STEEL_CHAR('('),
4622   EL_STEEL_CHAR(')'),
4623   EL_STEEL_CHAR('*'),
4624   EL_STEEL_CHAR('+'),
4625
4626   EL_STEEL_CHAR(','),
4627   EL_STEEL_CHAR('-'),
4628   EL_STEEL_CHAR('.'),
4629   EL_STEEL_CHAR('/'),
4630
4631   EL_STEEL_CHAR('0'),
4632   EL_STEEL_CHAR('1'),
4633   EL_STEEL_CHAR('2'),
4634   EL_STEEL_CHAR('3'),
4635
4636   EL_STEEL_CHAR('4'),
4637   EL_STEEL_CHAR('5'),
4638   EL_STEEL_CHAR('6'),
4639   EL_STEEL_CHAR('7'),
4640
4641   EL_STEEL_CHAR('8'),
4642   EL_STEEL_CHAR('9'),
4643   EL_STEEL_CHAR(':'),
4644   EL_STEEL_CHAR(';'),
4645
4646   EL_STEEL_CHAR('<'),
4647   EL_STEEL_CHAR('='),
4648   EL_STEEL_CHAR('>'),
4649   EL_STEEL_CHAR('?'),
4650
4651   EL_STEEL_CHAR('@'),
4652   EL_STEEL_CHAR('A'),
4653   EL_STEEL_CHAR('B'),
4654   EL_STEEL_CHAR('C'),
4655
4656   EL_STEEL_CHAR('D'),
4657   EL_STEEL_CHAR('E'),
4658   EL_STEEL_CHAR('F'),
4659   EL_STEEL_CHAR('G'),
4660
4661   EL_STEEL_CHAR('H'),
4662   EL_STEEL_CHAR('I'),
4663   EL_STEEL_CHAR('J'),
4664   EL_STEEL_CHAR('K'),
4665
4666   EL_STEEL_CHAR('L'),
4667   EL_STEEL_CHAR('M'),
4668   EL_STEEL_CHAR('N'),
4669   EL_STEEL_CHAR('O'),
4670
4671   EL_STEEL_CHAR('P'),
4672   EL_STEEL_CHAR('Q'),
4673   EL_STEEL_CHAR('R'),
4674   EL_STEEL_CHAR('S'),
4675
4676   EL_STEEL_CHAR('T'),
4677   EL_STEEL_CHAR('U'),
4678   EL_STEEL_CHAR('V'),
4679   EL_STEEL_CHAR('W'),
4680
4681   EL_STEEL_CHAR('X'),
4682   EL_STEEL_CHAR('Y'),
4683   EL_STEEL_CHAR('Z'),
4684   EL_STEEL_CHAR('['),
4685
4686   EL_STEEL_CHAR('\\'),
4687   EL_STEEL_CHAR(']'),
4688   EL_STEEL_CHAR('^'),
4689   EL_STEEL_CHAR('_'),
4690
4691   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
4692   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
4693   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
4694   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
4695
4696   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
4697   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
4698   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
4699   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
4700
4701   EL_STEEL_CHAR(FONT_ASCII_UP),
4702   EL_STEEL_CHAR(FONT_ASCII_DOWN),
4703   EL_STEEL_CHAR(' '),
4704   EL_STEEL_CHAR(' ')
4705 };
4706 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
4707 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
4708 static int num_editor_hl_steel_chars = SIZEOF_ARRAY_INT(editor_hl_steel_chars);
4709 static int num_editor_el_steel_chars = SIZEOF_ARRAY_INT(editor_el_steel_chars);
4710
4711 static int editor_hl_custom[] =
4712 {
4713   EL_INTERNAL_CASCADE_CE_ACTIVE,
4714   EL_CHAR('C'),
4715   EL_CHAR('E'),
4716   EL_EMPTY,
4717 };
4718
4719 static int editor_el_custom[] =
4720 {
4721   EL_CUSTOM_START + 0,
4722   EL_CUSTOM_START + 1,
4723   EL_CUSTOM_START + 2,
4724   EL_CUSTOM_START + 3,
4725
4726   EL_CUSTOM_START + 4,
4727   EL_CUSTOM_START + 5,
4728   EL_CUSTOM_START + 6,
4729   EL_CUSTOM_START + 7,
4730
4731   EL_CUSTOM_START + 8,
4732   EL_CUSTOM_START + 9,
4733   EL_CUSTOM_START + 10,
4734   EL_CUSTOM_START + 11,
4735
4736   EL_CUSTOM_START + 12,
4737   EL_CUSTOM_START + 13,
4738   EL_CUSTOM_START + 14,
4739   EL_CUSTOM_START + 15,
4740
4741   EL_CUSTOM_START + 16,
4742   EL_CUSTOM_START + 17,
4743   EL_CUSTOM_START + 18,
4744   EL_CUSTOM_START + 19,
4745
4746   EL_CUSTOM_START + 20,
4747   EL_CUSTOM_START + 21,
4748   EL_CUSTOM_START + 22,
4749   EL_CUSTOM_START + 23,
4750
4751   EL_CUSTOM_START + 24,
4752   EL_CUSTOM_START + 25,
4753   EL_CUSTOM_START + 26,
4754   EL_CUSTOM_START + 27,
4755
4756   EL_CUSTOM_START + 28,
4757   EL_CUSTOM_START + 29,
4758   EL_CUSTOM_START + 30,
4759   EL_CUSTOM_START + 31,
4760
4761   EL_CUSTOM_START + 32,
4762   EL_CUSTOM_START + 33,
4763   EL_CUSTOM_START + 34,
4764   EL_CUSTOM_START + 35,
4765
4766   EL_CUSTOM_START + 36,
4767   EL_CUSTOM_START + 37,
4768   EL_CUSTOM_START + 38,
4769   EL_CUSTOM_START + 39,
4770
4771   EL_CUSTOM_START + 40,
4772   EL_CUSTOM_START + 41,
4773   EL_CUSTOM_START + 42,
4774   EL_CUSTOM_START + 43,
4775
4776   EL_CUSTOM_START + 44,
4777   EL_CUSTOM_START + 45,
4778   EL_CUSTOM_START + 46,
4779   EL_CUSTOM_START + 47,
4780
4781   EL_CUSTOM_START + 48,
4782   EL_CUSTOM_START + 49,
4783   EL_CUSTOM_START + 50,
4784   EL_CUSTOM_START + 51,
4785
4786   EL_CUSTOM_START + 52,
4787   EL_CUSTOM_START + 53,
4788   EL_CUSTOM_START + 54,
4789   EL_CUSTOM_START + 55,
4790
4791   EL_CUSTOM_START + 56,
4792   EL_CUSTOM_START + 57,
4793   EL_CUSTOM_START + 58,
4794   EL_CUSTOM_START + 59,
4795
4796   EL_CUSTOM_START + 60,
4797   EL_CUSTOM_START + 61,
4798   EL_CUSTOM_START + 62,
4799   EL_CUSTOM_START + 63,
4800
4801   EL_CUSTOM_START + 64,
4802   EL_CUSTOM_START + 65,
4803   EL_CUSTOM_START + 66,
4804   EL_CUSTOM_START + 67,
4805
4806   EL_CUSTOM_START + 68,
4807   EL_CUSTOM_START + 69,
4808   EL_CUSTOM_START + 70,
4809   EL_CUSTOM_START + 71,
4810
4811   EL_CUSTOM_START + 72,
4812   EL_CUSTOM_START + 73,
4813   EL_CUSTOM_START + 74,
4814   EL_CUSTOM_START + 75,
4815
4816   EL_CUSTOM_START + 76,
4817   EL_CUSTOM_START + 77,
4818   EL_CUSTOM_START + 78,
4819   EL_CUSTOM_START + 79,
4820
4821   EL_CUSTOM_START + 80,
4822   EL_CUSTOM_START + 81,
4823   EL_CUSTOM_START + 82,
4824   EL_CUSTOM_START + 83,
4825
4826   EL_CUSTOM_START + 84,
4827   EL_CUSTOM_START + 85,
4828   EL_CUSTOM_START + 86,
4829   EL_CUSTOM_START + 87,
4830
4831   EL_CUSTOM_START + 88,
4832   EL_CUSTOM_START + 89,
4833   EL_CUSTOM_START + 90,
4834   EL_CUSTOM_START + 91,
4835
4836   EL_CUSTOM_START + 92,
4837   EL_CUSTOM_START + 93,
4838   EL_CUSTOM_START + 94,
4839   EL_CUSTOM_START + 95,
4840
4841   EL_CUSTOM_START + 96,
4842   EL_CUSTOM_START + 97,
4843   EL_CUSTOM_START + 98,
4844   EL_CUSTOM_START + 99,
4845
4846   EL_CUSTOM_START + 100,
4847   EL_CUSTOM_START + 101,
4848   EL_CUSTOM_START + 102,
4849   EL_CUSTOM_START + 103,
4850
4851   EL_CUSTOM_START + 104,
4852   EL_CUSTOM_START + 105,
4853   EL_CUSTOM_START + 106,
4854   EL_CUSTOM_START + 107,
4855
4856   EL_CUSTOM_START + 108,
4857   EL_CUSTOM_START + 109,
4858   EL_CUSTOM_START + 110,
4859   EL_CUSTOM_START + 111,
4860
4861   EL_CUSTOM_START + 112,
4862   EL_CUSTOM_START + 113,
4863   EL_CUSTOM_START + 114,
4864   EL_CUSTOM_START + 115,
4865
4866   EL_CUSTOM_START + 116,
4867   EL_CUSTOM_START + 117,
4868   EL_CUSTOM_START + 118,
4869   EL_CUSTOM_START + 119,
4870
4871   EL_CUSTOM_START + 120,
4872   EL_CUSTOM_START + 121,
4873   EL_CUSTOM_START + 122,
4874   EL_CUSTOM_START + 123,
4875
4876   EL_CUSTOM_START + 124,
4877   EL_CUSTOM_START + 125,
4878   EL_CUSTOM_START + 126,
4879   EL_CUSTOM_START + 127,
4880
4881   EL_CUSTOM_START + 128,
4882   EL_CUSTOM_START + 129,
4883   EL_CUSTOM_START + 130,
4884   EL_CUSTOM_START + 131,
4885
4886   EL_CUSTOM_START + 132,
4887   EL_CUSTOM_START + 133,
4888   EL_CUSTOM_START + 134,
4889   EL_CUSTOM_START + 135,
4890
4891   EL_CUSTOM_START + 136,
4892   EL_CUSTOM_START + 137,
4893   EL_CUSTOM_START + 138,
4894   EL_CUSTOM_START + 139,
4895
4896   EL_CUSTOM_START + 140,
4897   EL_CUSTOM_START + 141,
4898   EL_CUSTOM_START + 142,
4899   EL_CUSTOM_START + 143,
4900
4901   EL_CUSTOM_START + 144,
4902   EL_CUSTOM_START + 145,
4903   EL_CUSTOM_START + 146,
4904   EL_CUSTOM_START + 147,
4905
4906   EL_CUSTOM_START + 148,
4907   EL_CUSTOM_START + 149,
4908   EL_CUSTOM_START + 150,
4909   EL_CUSTOM_START + 151,
4910
4911   EL_CUSTOM_START + 152,
4912   EL_CUSTOM_START + 153,
4913   EL_CUSTOM_START + 154,
4914   EL_CUSTOM_START + 155,
4915
4916   EL_CUSTOM_START + 156,
4917   EL_CUSTOM_START + 157,
4918   EL_CUSTOM_START + 158,
4919   EL_CUSTOM_START + 159,
4920
4921   EL_CUSTOM_START + 160,
4922   EL_CUSTOM_START + 161,
4923   EL_CUSTOM_START + 162,
4924   EL_CUSTOM_START + 163,
4925
4926   EL_CUSTOM_START + 164,
4927   EL_CUSTOM_START + 165,
4928   EL_CUSTOM_START + 166,
4929   EL_CUSTOM_START + 167,
4930
4931   EL_CUSTOM_START + 168,
4932   EL_CUSTOM_START + 169,
4933   EL_CUSTOM_START + 170,
4934   EL_CUSTOM_START + 171,
4935
4936   EL_CUSTOM_START + 172,
4937   EL_CUSTOM_START + 173,
4938   EL_CUSTOM_START + 174,
4939   EL_CUSTOM_START + 175,
4940
4941   EL_CUSTOM_START + 176,
4942   EL_CUSTOM_START + 177,
4943   EL_CUSTOM_START + 178,
4944   EL_CUSTOM_START + 179,
4945
4946   EL_CUSTOM_START + 180,
4947   EL_CUSTOM_START + 181,
4948   EL_CUSTOM_START + 182,
4949   EL_CUSTOM_START + 183,
4950
4951   EL_CUSTOM_START + 184,
4952   EL_CUSTOM_START + 185,
4953   EL_CUSTOM_START + 186,
4954   EL_CUSTOM_START + 187,
4955
4956   EL_CUSTOM_START + 188,
4957   EL_CUSTOM_START + 189,
4958   EL_CUSTOM_START + 190,
4959   EL_CUSTOM_START + 191,
4960
4961   EL_CUSTOM_START + 192,
4962   EL_CUSTOM_START + 193,
4963   EL_CUSTOM_START + 194,
4964   EL_CUSTOM_START + 195,
4965
4966   EL_CUSTOM_START + 196,
4967   EL_CUSTOM_START + 197,
4968   EL_CUSTOM_START + 198,
4969   EL_CUSTOM_START + 199,
4970
4971   EL_CUSTOM_START + 200,
4972   EL_CUSTOM_START + 201,
4973   EL_CUSTOM_START + 202,
4974   EL_CUSTOM_START + 203,
4975
4976   EL_CUSTOM_START + 204,
4977   EL_CUSTOM_START + 205,
4978   EL_CUSTOM_START + 206,
4979   EL_CUSTOM_START + 207,
4980
4981   EL_CUSTOM_START + 208,
4982   EL_CUSTOM_START + 209,
4983   EL_CUSTOM_START + 210,
4984   EL_CUSTOM_START + 211,
4985
4986   EL_CUSTOM_START + 212,
4987   EL_CUSTOM_START + 213,
4988   EL_CUSTOM_START + 214,
4989   EL_CUSTOM_START + 215,
4990
4991   EL_CUSTOM_START + 216,
4992   EL_CUSTOM_START + 217,
4993   EL_CUSTOM_START + 218,
4994   EL_CUSTOM_START + 219,
4995
4996   EL_CUSTOM_START + 220,
4997   EL_CUSTOM_START + 221,
4998   EL_CUSTOM_START + 222,
4999   EL_CUSTOM_START + 223,
5000
5001   EL_CUSTOM_START + 224,
5002   EL_CUSTOM_START + 225,
5003   EL_CUSTOM_START + 226,
5004   EL_CUSTOM_START + 227,
5005
5006   EL_CUSTOM_START + 228,
5007   EL_CUSTOM_START + 229,
5008   EL_CUSTOM_START + 230,
5009   EL_CUSTOM_START + 231,
5010
5011   EL_CUSTOM_START + 232,
5012   EL_CUSTOM_START + 233,
5013   EL_CUSTOM_START + 234,
5014   EL_CUSTOM_START + 235,
5015
5016   EL_CUSTOM_START + 236,
5017   EL_CUSTOM_START + 237,
5018   EL_CUSTOM_START + 238,
5019   EL_CUSTOM_START + 239,
5020
5021   EL_CUSTOM_START + 240,
5022   EL_CUSTOM_START + 241,
5023   EL_CUSTOM_START + 242,
5024   EL_CUSTOM_START + 243,
5025
5026   EL_CUSTOM_START + 244,
5027   EL_CUSTOM_START + 245,
5028   EL_CUSTOM_START + 246,
5029   EL_CUSTOM_START + 247,
5030
5031   EL_CUSTOM_START + 248,
5032   EL_CUSTOM_START + 249,
5033   EL_CUSTOM_START + 250,
5034   EL_CUSTOM_START + 251,
5035
5036   EL_CUSTOM_START + 252,
5037   EL_CUSTOM_START + 253,
5038   EL_CUSTOM_START + 254,
5039   EL_CUSTOM_START + 255
5040 };
5041 static int *editor_hl_custom_ptr = editor_hl_custom;
5042 static int *editor_el_custom_ptr = editor_el_custom;
5043 static int num_editor_hl_custom = SIZEOF_ARRAY_INT(editor_hl_custom);
5044 static int num_editor_el_custom = SIZEOF_ARRAY_INT(editor_el_custom);
5045
5046 static int editor_hl_group[] =
5047 {
5048   EL_INTERNAL_CASCADE_GE_ACTIVE,
5049   EL_CHAR('G'),
5050   EL_CHAR('E'),
5051   EL_EMPTY,
5052 };
5053
5054 static int editor_el_group[] =
5055 {
5056   EL_GROUP_START + 0,
5057   EL_GROUP_START + 1,
5058   EL_GROUP_START + 2,
5059   EL_GROUP_START + 3,
5060
5061   EL_GROUP_START + 4,
5062   EL_GROUP_START + 5,
5063   EL_GROUP_START + 6,
5064   EL_GROUP_START + 7,
5065
5066   EL_GROUP_START + 8,
5067   EL_GROUP_START + 9,
5068   EL_GROUP_START + 10,
5069   EL_GROUP_START + 11,
5070
5071   EL_GROUP_START + 12,
5072   EL_GROUP_START + 13,
5073   EL_GROUP_START + 14,
5074   EL_GROUP_START + 15,
5075
5076   EL_GROUP_START + 16,
5077   EL_GROUP_START + 17,
5078   EL_GROUP_START + 18,
5079   EL_GROUP_START + 19,
5080
5081   EL_GROUP_START + 20,
5082   EL_GROUP_START + 21,
5083   EL_GROUP_START + 22,
5084   EL_GROUP_START + 23,
5085
5086   EL_GROUP_START + 24,
5087   EL_GROUP_START + 25,
5088   EL_GROUP_START + 26,
5089   EL_GROUP_START + 27,
5090
5091   EL_GROUP_START + 28,
5092   EL_GROUP_START + 29,
5093   EL_GROUP_START + 30,
5094   EL_GROUP_START + 31
5095 };
5096 static int *editor_hl_group_ptr = editor_hl_group;
5097 static int *editor_el_group_ptr = editor_el_group;
5098 static int num_editor_hl_group = SIZEOF_ARRAY_INT(editor_hl_group);
5099 static int num_editor_el_group = SIZEOF_ARRAY_INT(editor_el_group);
5100
5101 static int editor_hl_reference[] =
5102 {
5103   EL_INTERNAL_CASCADE_REF_ACTIVE,
5104   EL_CHAR('R'),
5105   EL_CHAR('E'),
5106   EL_CHAR('F')
5107 };
5108
5109 static int editor_el_reference[] =
5110 {
5111   EL_TRIGGER_PLAYER,
5112   EL_TRIGGER_ELEMENT,
5113   EL_TRIGGER_CE_VALUE,
5114   EL_TRIGGER_CE_SCORE,
5115
5116   EL_SELF,
5117   EL_ANY_ELEMENT,
5118   EL_CURRENT_CE_VALUE,
5119   EL_CURRENT_CE_SCORE,
5120
5121   EL_PREV_CE_8,
5122   EL_PREV_CE_7,
5123   EL_PREV_CE_6,
5124   EL_PREV_CE_5,
5125
5126   EL_PREV_CE_4,
5127   EL_PREV_CE_3,
5128   EL_PREV_CE_2,
5129   EL_PREV_CE_1,
5130
5131   EL_NEXT_CE_1,
5132   EL_NEXT_CE_2,
5133   EL_NEXT_CE_3,
5134   EL_NEXT_CE_4,
5135
5136   EL_NEXT_CE_5,
5137   EL_NEXT_CE_6,
5138   EL_NEXT_CE_7,
5139   EL_NEXT_CE_8,
5140 };
5141 static int *editor_hl_reference_ptr = editor_hl_reference;
5142 static int *editor_el_reference_ptr = editor_el_reference;
5143 static int num_editor_hl_reference = SIZEOF_ARRAY_INT(editor_hl_reference);
5144 static int num_editor_el_reference = SIZEOF_ARRAY_INT(editor_el_reference);
5145
5146 static int editor_hl_user_defined[] =
5147 {
5148   EL_INTERNAL_CASCADE_USER_ACTIVE,
5149   EL_CHAR('M'),
5150   EL_CHAR('Y'),
5151   EL_EMPTY,
5152 };
5153
5154 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
5155 static int *editor_el_user_defined_ptr = NULL;
5156 static int num_editor_hl_user_defined=SIZEOF_ARRAY_INT(editor_hl_user_defined);
5157 static int num_editor_el_user_defined = 0;
5158
5159 static int editor_hl_dynamic[] =
5160 {
5161   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
5162   EL_CHAR('U'),
5163   EL_CHAR('S'),
5164   EL_CHAR('E'),
5165 };
5166
5167 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
5168 static int *editor_el_dynamic_ptr = NULL;
5169 static int num_editor_hl_dynamic = SIZEOF_ARRAY_INT(editor_hl_dynamic);
5170 static int num_editor_el_dynamic = 0;
5171
5172 static int editor_hl_empty[] = { EL_EMPTY };
5173 static int *editor_el_empty = NULL;     /* dynamically allocated */
5174
5175 static int *editor_hl_empty_ptr = editor_hl_empty;
5176 static int *editor_el_empty_ptr = NULL;
5177 static int num_editor_hl_empty = 0;
5178 static int num_editor_el_empty = 0;     /* dynamically determined, if needed */
5179
5180 static boolean use_el_empty = FALSE;
5181
5182 static int *editor_elements = NULL;     /* dynamically allocated */
5183 static int num_editor_elements = 0;     /* dynamically determined */
5184
5185 static boolean setup_editor_cascade_never = FALSE;
5186
5187 static boolean setup_editor_el_players                  = TRUE;
5188 static boolean setup_editor_el_boulderdash              = TRUE;
5189 static boolean setup_editor_el_emerald_mine             = TRUE;
5190 static boolean setup_editor_el_emerald_mine_club        = TRUE;
5191 static boolean setup_editor_el_more                     = TRUE;
5192 static boolean setup_editor_el_sokoban                  = TRUE;
5193 static boolean setup_editor_el_supaplex                 = TRUE;
5194 static boolean setup_editor_el_diamond_caves            = TRUE;
5195 static boolean setup_editor_el_dx_boulderdash           = TRUE;
5196 static boolean setup_editor_el_mirror_magic             = TRUE;
5197 static boolean setup_editor_el_deflektor                = TRUE;
5198 static boolean setup_editor_el_chars                    = TRUE;
5199 static boolean setup_editor_el_steel_chars              = TRUE;
5200 static boolean setup_editor_el_custom                   = TRUE;
5201 static boolean setup_editor_el_user_defined             = TRUE;
5202 static boolean setup_editor_el_dynamic                  = TRUE;
5203
5204 static int editor_hl_unused[] = { EL_EMPTY };
5205 static int *editor_hl_unused_ptr = editor_hl_unused;
5206 static int num_editor_hl_unused = 0;
5207
5208 static struct
5209 {
5210   boolean *setup_value;
5211   boolean *setup_cascade_value;
5212
5213   int **headline_list;
5214   int *headline_list_size;
5215
5216   int **element_list;
5217   int *element_list_size;
5218
5219   boolean last_setup_value;
5220 }
5221 editor_elements_info[] =
5222 {
5223   {
5224     &setup_editor_el_players,
5225     &setup_editor_cascade_never,
5226     &editor_hl_unused_ptr,              &num_editor_hl_unused,
5227     &editor_el_players_ptr,             &num_editor_el_players
5228   },
5229   {
5230     &setup_editor_el_boulderdash,
5231     &setup.editor_cascade.el_bd,
5232     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
5233     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
5234   },
5235   {
5236     &setup_editor_el_emerald_mine,
5237     &setup.editor_cascade.el_em,
5238     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
5239     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
5240   },
5241   {
5242     &setup_editor_el_emerald_mine_club,
5243     &setup.editor_cascade.el_emc,
5244     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
5245     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
5246   },
5247   {
5248     &setup_editor_el_more,
5249     &setup.editor_cascade.el_rnd,
5250     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
5251     &editor_el_rnd_ptr,                 &num_editor_el_rnd
5252   },
5253   {
5254     &setup_editor_el_sokoban,
5255     &setup.editor_cascade.el_sb,
5256     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
5257     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
5258   },
5259   {
5260     &setup_editor_el_supaplex,
5261     &setup.editor_cascade.el_sp,
5262     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
5263     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
5264   },
5265   {
5266     &setup_editor_el_diamond_caves,
5267     &setup.editor_cascade.el_dc,
5268     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
5269     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
5270   },
5271   {
5272     &setup_editor_el_dx_boulderdash,
5273     &setup.editor_cascade.el_dx,
5274     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
5275     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
5276   },
5277   {
5278     &setup_editor_el_mirror_magic,
5279     &setup.editor_cascade.el_mm,
5280     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
5281     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
5282   },
5283   {
5284     &setup_editor_el_deflektor,
5285     &setup.editor_cascade.el_df,
5286     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
5287     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
5288   },
5289   {
5290     &setup_editor_el_chars,
5291     &setup.editor_cascade.el_chars,
5292     &editor_hl_chars_ptr,               &num_editor_hl_chars,
5293     &editor_el_chars_ptr,               &num_editor_el_chars
5294   },
5295   {
5296     &setup_editor_el_steel_chars,
5297     &setup.editor_cascade.el_steel_chars,
5298     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
5299     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
5300   },
5301   {
5302     &setup_editor_el_custom,
5303     &setup.editor_cascade.el_ce,
5304     &editor_hl_custom_ptr,              &num_editor_hl_custom,
5305     &editor_el_custom_ptr,              &num_editor_el_custom
5306   },
5307   {
5308     &setup_editor_el_custom,
5309     &setup.editor_cascade.el_ge,
5310     &editor_hl_group_ptr,               &num_editor_hl_group,
5311     &editor_el_group_ptr,               &num_editor_el_group
5312   },
5313   {
5314     &setup_editor_el_custom,
5315     &setup.editor_cascade.el_ref,
5316     &editor_hl_reference_ptr,           &num_editor_hl_reference,
5317     &editor_el_reference_ptr,           &num_editor_el_reference
5318   },
5319   {
5320     &setup_editor_el_user_defined,
5321     &setup.editor_cascade.el_user,
5322     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
5323     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
5324   },
5325   {
5326     &setup_editor_el_dynamic,
5327     &setup.editor_cascade.el_dynamic,
5328     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
5329     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
5330   },
5331   {
5332     &use_el_empty,
5333     &use_el_empty,
5334     &editor_hl_empty_ptr,               &num_editor_hl_empty,
5335     &editor_el_empty_ptr,               &num_editor_el_empty,
5336   },
5337   {
5338     NULL,
5339     NULL,
5340     NULL,                               NULL,
5341     NULL,                               NULL
5342   }
5343 };
5344
5345
5346 /*
5347   -----------------------------------------------------------------------------
5348   functions
5349   -----------------------------------------------------------------------------
5350 */
5351
5352 static int getMaxInfoTextLength()
5353 {
5354   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
5355 }
5356
5357 static int getTextWidthForGadget(char *text)
5358 {
5359   if (text == NULL)
5360     return 0;
5361
5362   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
5363 }
5364
5365 static int getTextWidthForDrawingArea(char *text)
5366 {
5367   if (text == NULL)
5368     return 0;
5369
5370   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
5371 }
5372
5373 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
5374 {
5375   return (gi->x + gi->width + getTextWidthForGadget(text));
5376 }
5377
5378 static char *getElementInfoText(int element)
5379 {
5380   char *info_text = NULL;
5381
5382   if (element < MAX_NUM_ELEMENTS)
5383   {
5384     if (strlen(element_info[element].description) > 0)
5385       info_text = element_info[element].description;
5386     else if (element_info[element].custom_description != NULL)
5387       info_text = element_info[element].custom_description;
5388     else if (element_info[element].editor_description != NULL)
5389       info_text = element_info[element].editor_description;
5390   }
5391
5392   if (info_text == NULL)
5393     info_text = INFOTEXT_UNKNOWN_ELEMENT;
5394
5395   return info_text;
5396 }
5397
5398 static char *getElementDescriptionFilenameExt(char *basename)
5399 {
5400   char *elements_subdir = "elements";
5401   static char *elements_subdir2 = NULL;
5402   static char *filename = NULL;
5403
5404   if (elements_subdir2 == NULL)
5405     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
5406
5407   checked_free(filename);
5408
5409   /* 1st try: look for element description in current level set directory */
5410   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
5411   if (fileExists(filename))
5412     return filename;
5413
5414   free(filename);
5415
5416   /* 2nd try: look for element description in the game's base directory */
5417   filename = getPath3(options.docs_directory, elements_subdir, basename);
5418   if (fileExists(filename))
5419     return filename;
5420
5421   return NULL;
5422 }
5423
5424 char *getElementDescriptionFilename(int element)
5425 {
5426   char basename[MAX_FILENAME_LEN];
5427   char *filename;
5428
5429   /* 1st try: look for element description file for exactly this element */
5430   sprintf(basename, "%s.txt", element_info[element].token_name);
5431   filename = getElementDescriptionFilenameExt(basename);
5432   if (filename != NULL)
5433     return filename;
5434
5435   /* 2nd try: look for element description file for this element's class */
5436   sprintf(basename, "%s.txt", element_info[element].class_name);
5437   filename = getElementDescriptionFilenameExt(basename);
5438   if (filename != NULL)
5439     return filename;
5440
5441   return NULL;
5442 }
5443
5444 static boolean suppressBorderElement()
5445 {
5446   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
5447           lev_fieldx <= MAX_ED_FIELDX &&
5448           lev_fieldy <= MAX_ED_FIELDY);
5449 }
5450
5451 static void InitDynamicEditorElementList(int **elements, int *num_elements)
5452 {
5453   boolean element_found[NUM_FILE_ELEMENTS];
5454   int i, x, y;
5455
5456   /* initialize list of used elements to "not used" */
5457   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5458     element_found[i] = FALSE;
5459
5460   /* find all elements used in current level */
5461   for (y = 0; y < lev_fieldy; y++)
5462     for (x = 0; x < lev_fieldx; x++)
5463       if (Feld[x][y] < NUM_FILE_ELEMENTS)       /* should always be true */
5464         element_found[Feld[x][y]] = TRUE;
5465
5466   *num_elements = 0;
5467
5468   /* count number of elements used in current level */
5469   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5470     if (element_found[i])
5471       (*num_elements)++;
5472
5473   /* add space for up to 3 more elements for padding that may be needed */
5474   *num_elements += 3;
5475
5476   /* free memory for old list of elements, if needed */
5477   checked_free(*elements);
5478
5479   /* allocate memory for new list of elements */
5480   *elements = checked_malloc(*num_elements * sizeof(int));
5481
5482   *num_elements = 0;
5483
5484   /* add all elements used in current level (non-custom/group elements) */
5485   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5486     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5487       (*elements)[(*num_elements)++] = i;
5488
5489   /* add all elements used in current level (custom/group elements) */
5490   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
5491     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)))
5492       (*elements)[(*num_elements)++] = i;
5493
5494   while (*num_elements % 4)     /* pad with empty elements, if needed */
5495     (*elements)[(*num_elements)++] = EL_EMPTY;
5496 }
5497
5498 static void ReinitializeElementList_EnableSections()
5499 {
5500   /* default: enable all element sections */
5501
5502   setup_editor_el_players               = TRUE;
5503   setup_editor_el_boulderdash           = TRUE;
5504   setup_editor_el_emerald_mine          = TRUE;
5505   setup_editor_el_emerald_mine_club     = TRUE;
5506   setup_editor_el_more                  = TRUE;
5507   setup_editor_el_sokoban               = TRUE;
5508   setup_editor_el_supaplex              = TRUE;
5509   setup_editor_el_diamond_caves         = TRUE;
5510   setup_editor_el_dx_boulderdash        = TRUE;
5511   setup_editor_el_mirror_magic          = TRUE;
5512   setup_editor_el_deflektor             = TRUE;
5513   setup_editor_el_chars                 = TRUE;
5514   setup_editor_el_steel_chars           = TRUE;
5515
5516   setup_editor_el_custom                = TRUE;
5517   setup_editor_el_user_defined          = TRUE;
5518   setup_editor_el_dynamic               = TRUE;
5519
5520   /* now disable all element sections not to be displayed */
5521
5522   if (!setup.editor.el_classic)
5523   {
5524     setup_editor_el_players             = FALSE;
5525     setup_editor_el_boulderdash         = FALSE;
5526     setup_editor_el_emerald_mine        = FALSE;
5527     setup_editor_el_emerald_mine_club   = FALSE;
5528     setup_editor_el_more                = FALSE;
5529     setup_editor_el_sokoban             = FALSE;
5530     setup_editor_el_supaplex            = FALSE;
5531     setup_editor_el_diamond_caves       = FALSE;
5532     setup_editor_el_dx_boulderdash      = FALSE;
5533     setup_editor_el_mirror_magic        = FALSE;
5534     setup_editor_el_deflektor           = FALSE;
5535     setup_editor_el_chars               = FALSE;
5536     setup_editor_el_steel_chars         = FALSE;
5537   }
5538
5539   if (!setup.editor.el_custom)
5540   {
5541     setup_editor_el_custom              = FALSE;
5542   }
5543
5544   if (!setup.editor.el_user_defined)
5545   {
5546     setup_editor_el_user_defined        = FALSE;
5547   }
5548
5549   if (!setup.editor.el_dynamic)
5550   {
5551     setup_editor_el_dynamic             = FALSE;
5552   }
5553
5554   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
5555   {
5556     setup_editor_el_mirror_magic        = FALSE;
5557     setup_editor_el_deflektor           = FALSE;
5558   }
5559   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
5560   {
5561     setup_editor_el_boulderdash         = FALSE;
5562     setup_editor_el_more                = FALSE;
5563     setup_editor_el_sokoban             = FALSE;
5564     setup_editor_el_supaplex            = FALSE;
5565     setup_editor_el_diamond_caves       = FALSE;
5566     setup_editor_el_dx_boulderdash      = FALSE;
5567     setup_editor_el_mirror_magic        = FALSE;
5568     setup_editor_el_deflektor           = FALSE;
5569     setup_editor_el_steel_chars         = FALSE;
5570
5571     setup_editor_el_custom              = FALSE;
5572   }
5573   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
5574   {
5575     setup_editor_el_players             = FALSE;
5576     setup_editor_el_boulderdash         = FALSE;
5577     setup_editor_el_emerald_mine        = FALSE;
5578     setup_editor_el_emerald_mine_club   = FALSE;
5579     setup_editor_el_more                = FALSE;
5580     setup_editor_el_sokoban             = FALSE;
5581     setup_editor_el_diamond_caves       = FALSE;
5582     setup_editor_el_dx_boulderdash      = FALSE;
5583     setup_editor_el_mirror_magic        = FALSE;
5584     setup_editor_el_deflektor           = FALSE;
5585     setup_editor_el_chars               = FALSE;
5586     setup_editor_el_steel_chars         = FALSE;
5587
5588     setup_editor_el_custom              = FALSE;
5589   }
5590   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
5591   {
5592     setup_editor_el_players             = FALSE;
5593     setup_editor_el_boulderdash         = FALSE;
5594     setup_editor_el_emerald_mine        = FALSE;
5595     setup_editor_el_emerald_mine_club   = FALSE;
5596     setup_editor_el_more                = FALSE;
5597     setup_editor_el_sokoban             = FALSE;
5598     setup_editor_el_supaplex            = FALSE;
5599     setup_editor_el_diamond_caves       = FALSE;
5600     setup_editor_el_dx_boulderdash      = FALSE;
5601     setup_editor_el_steel_chars         = FALSE;
5602
5603     setup_editor_el_custom              = FALSE;
5604   }
5605 }
5606
5607 static void ReinitializeElementList()
5608 {
5609   static boolean initialization_needed = TRUE;
5610   int pos = 0;
5611   int i, j;
5612
5613   ReinitializeElementList_EnableSections();
5614
5615   if (initialization_needed)
5616   {
5617     LoadSetup_EditorCascade();          /* load last editor cascade state */
5618
5619     /* initialize editor cascade element from saved cascade state */
5620     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5621     {
5622       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
5623       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
5624
5625       if (IS_EDITOR_CASCADE(*cascade_element))
5626         *cascade_element =
5627           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
5628            EL_CASCADE_INACTIVE(*cascade_element));
5629     }
5630
5631     initialization_needed = FALSE;
5632   }
5633
5634   checked_free(editor_elements);
5635
5636   /* reload optional user defined element list for each invocation of editor */
5637   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
5638                                    &num_editor_el_user_defined);
5639
5640   /* initialize dynamic level element list for each invocation of editor */
5641   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
5642                                &num_editor_el_dynamic);
5643
5644   /* initialize list of empty elements (used for padding, if needed) */
5645   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
5646     editor_el_empty[i] = EL_EMPTY;
5647
5648   /* do some sanity checks for each element from element list */
5649   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5650   {
5651     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5652     {
5653       int element = (*editor_elements_info[i].element_list)[j];
5654
5655       if (element >= NUM_FILE_ELEMENTS)
5656         Error(ERR_WARN, "editor element %d is runtime element", element);
5657
5658       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
5659         Error(ERR_WARN, "no element description text for element %d", element);
5660     }
5661   }
5662
5663   num_editor_elements = 0;
5664   use_el_empty = FALSE;
5665
5666   /* determine size of element list */
5667   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5668   {
5669     boolean found_inactive_cascade = FALSE;
5670
5671     if (*editor_elements_info[i].setup_value)
5672     {
5673       if (setup.editor.el_headlines)
5674       {
5675         // required for correct padding of palette headline buttons
5676         if (*editor_elements_info[i].headline_list_size > 0)
5677           num_editor_elements += editor.palette.cols;
5678
5679         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5680         {
5681           int element = (*editor_elements_info[i].headline_list)[j];
5682
5683           if (IS_EDITOR_CASCADE_INACTIVE(element))
5684             found_inactive_cascade = TRUE;
5685         }
5686       }
5687
5688       if (found_inactive_cascade)
5689         continue;
5690
5691       // required for correct padding of palette element buttons
5692       int element_list_size = *editor_elements_info[i].element_list_size;
5693       int element_rows =
5694         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5695       int element_buttons = editor.palette.cols * element_rows;
5696
5697       num_editor_elements += element_buttons;
5698     }
5699   }
5700
5701   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
5702   {
5703     /* offer at least as many elements as element buttons exist */
5704     use_el_empty = TRUE;
5705     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
5706
5707     num_editor_elements += num_editor_el_empty;
5708   }
5709   else
5710   {
5711     num_editor_el_empty = 0;
5712   }
5713
5714   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
5715
5716   /* fill element list */
5717   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5718   {
5719     boolean found_inactive_cascade = FALSE;
5720
5721     if (*editor_elements_info[i].setup_value)
5722     {
5723       if (setup.editor.el_headlines)
5724       {
5725         // required for correct padding of palette headline buttons
5726         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
5727                              editor.palette.cols : 0);
5728
5729         for (j = 0; j < headline_size; j++)
5730         {
5731           // use empty elements for padding of palette headline buttons
5732           int element = (j < *editor_elements_info[i].headline_list_size ?
5733                          (*editor_elements_info[i].headline_list)[j] :
5734                          editor_el_empty[0]);
5735
5736           editor_elements[pos++] = element;
5737
5738           if (IS_EDITOR_CASCADE_INACTIVE(element))
5739             found_inactive_cascade = TRUE;
5740         }
5741       }
5742
5743       if (found_inactive_cascade)
5744         continue;
5745
5746       // required for correct padding of palette element buttons
5747       int element_list_size = *editor_elements_info[i].element_list_size;
5748       int element_rows =
5749         (element_list_size + editor.palette.cols - 1) / editor.palette.cols;
5750       int element_buttons = editor.palette.cols * element_rows;
5751
5752       // copy all elements from element list
5753       for (j = 0; j < element_list_size; j++)
5754         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
5755
5756       // use empty elements for padding of palette element buttons
5757       for (j = 0; j < element_buttons - element_list_size; j++)
5758         editor_elements[pos++] = editor_el_empty[0];
5759     }
5760   }
5761
5762   /* (this function is also called before editor gadgets are initialized!) */
5763   AdjustElementListScrollbar();
5764 }
5765
5766 void PrintEditorElementList()
5767 {
5768   boolean *stop = &setup_editor_el_user_defined;
5769   int i, j;
5770
5771   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
5772   {
5773     int cascade_element = (*editor_elements_info[i].headline_list)[0];
5774
5775     if (IS_EDITOR_CASCADE(cascade_element))
5776     {
5777       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
5778       char *headline = element_info[cascade_element_show].editor_description;
5779
5780       PrintLineWithPrefix("# ", "-", 77);
5781       Print("# %s\n", headline);
5782       PrintLineWithPrefix("# ", "-", 77);
5783     }
5784
5785     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
5786     {
5787       int element = (*editor_elements_info[i].headline_list)[j];
5788
5789       if (IS_EDITOR_CASCADE(element))
5790         element = EL_CHAR_MINUS;
5791
5792       Print("# %s\n", element_info[element].token_name);
5793     }
5794
5795     if (j > 0)
5796       Print("#\n");
5797
5798     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
5799     {
5800       int element = (*editor_elements_info[i].element_list)[j];
5801
5802       Print("# %s\n", element_info[element].token_name);
5803     }
5804
5805     if (j > 0)
5806       Print("#\n");
5807   }
5808 }
5809
5810 static void ReinitializeElementListButtons()
5811 {
5812   static boolean last_setup_value_headlines = FALSE;
5813   static boolean initialization_needed = TRUE;
5814   int i;
5815
5816   if (!initialization_needed)   /* check if editor element setup has changed */
5817   {
5818     if (last_setup_value_headlines != setup.editor.el_headlines)
5819       initialization_needed = TRUE;
5820
5821     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5822       if (editor_elements_info[i].last_setup_value !=
5823           *editor_elements_info[i].setup_value)
5824         initialization_needed = TRUE;
5825   }
5826
5827   if (!initialization_needed)
5828     return;
5829
5830   FreeLevelEditorGadgets();
5831   CreateLevelEditorGadgets();
5832
5833   /* store current setup values for next invocation of this function */
5834   last_setup_value_headlines = setup.editor.el_headlines;
5835   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
5836     editor_elements_info[i].last_setup_value =
5837       *editor_elements_info[i].setup_value;
5838
5839   initialization_needed = FALSE;
5840 }
5841
5842 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
5843                               boolean input)
5844 {
5845   int border_graphic =
5846     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
5847   struct GraphicInfo *g = &graphic_info[border_graphic];
5848   Bitmap *src_bitmap = g->bitmap;
5849   int src_x = g->src_x;
5850   int src_y = g->src_y;
5851   int border_size = g->border_size;
5852   int border_xpos = g->width  - border_size;
5853   int border_ypos = g->height - border_size;
5854   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5855   int i;
5856
5857   BlitBitmap(src_bitmap, drawto, src_x, src_y,
5858              border_size, border_size,
5859              dest_x - border_size, dest_y - border_size);
5860   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
5861              border_size, border_size,
5862              dest_x + width, dest_y - border_size);
5863   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
5864              border_size, border_size,
5865              dest_x - border_size, dest_y + height);
5866   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
5867              border_size, border_size,
5868              dest_x + width, dest_y + height);
5869
5870   for (i = 0; i < width / tilesize; i++)
5871   {
5872     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
5873                tilesize, border_size,
5874                dest_x + i * tilesize, dest_y - border_size);
5875     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
5876                tilesize, border_size,
5877                dest_x + i * tilesize, dest_y + height);
5878   }
5879
5880   for (i = 0; i < height / tilesize; i++)
5881   {
5882     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
5883                border_size, tilesize,
5884                dest_x - border_size, dest_y + i * tilesize);
5885     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
5886                border_size, tilesize,
5887                dest_x + width, dest_y + i * tilesize);
5888   }
5889
5890   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
5891 }
5892
5893 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
5894 {
5895   int xsize_tile = MAX(ed_tilesize, xsize);
5896   int ysize_tile = MAX(ed_tilesize, ysize);
5897   int xsize_full = xsize + 1;
5898   int ysize_full = ysize + 1;
5899   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
5900   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
5901   Pixel line_color = getTabulatorBarColor();
5902
5903   if (line_color == BLACK_PIXEL)                /* black => transparent */
5904     return;
5905
5906   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
5907   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
5908   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
5909 }
5910
5911 static void DrawEditorLevelBorderLinesIfNeeded()
5912 {
5913   int xsize = lev_fieldx * ed_tilesize;
5914   int ysize = lev_fieldy * ed_tilesize;
5915   int line_size = getTabulatorBarHeight();
5916
5917   if (!suppressBorderElement())
5918     return;
5919
5920   /* draw little border line around editable level playfield */
5921
5922   if (xsize < SXSIZE)
5923     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
5924
5925   if (ysize < SYSIZE)
5926     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
5927
5928   if (xsize < SXSIZE && ysize < SYSIZE)
5929     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
5930 }
5931
5932 static void DrawEditorElement(int x, int y, int element)
5933 {
5934   DrawSizedElement(x, y, element, ed_tilesize);
5935 }
5936
5937 static void DrawEditorElementThruMask(int x, int y, int element)
5938 {
5939   DrawSizedElementThruMask(x, y, element, ed_tilesize);
5940 }
5941
5942 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
5943 {
5944   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
5945 }
5946
5947 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
5948 {
5949   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
5950   DrawEditorLevelBorderLinesIfNeeded();
5951 }
5952
5953 static void DrawDrawingArea(int id)
5954 {
5955   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
5956   int x, y;
5957
5958   int *value = drawingarea_info[id].value;
5959   int area_xsize = drawingarea_info[id].area_xsize;
5960   int area_ysize = drawingarea_info[id].area_ysize;
5961   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
5962
5963   for (x = 0; x < area_xsize; x++)
5964     for (y = 0; y < area_ysize; y++)
5965       DrawSizedGraphicExt(drawto,
5966                           gi->x + x * tilesize,
5967                           gi->y + y * tilesize,
5968                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
5969 }
5970
5971 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
5972 {
5973   int x, y;
5974   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
5975   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
5976
5977   BlitBitmap(drawto, drawto,
5978              SX + (dx == -1 ? ed_tilesize : 0),
5979              SY + (dy == -1 ? ed_tilesize : 0),
5980              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
5981              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
5982              SX + (dx == +1 ? ed_tilesize : 0),
5983              SY + (dy == +1 ? ed_tilesize : 0));
5984
5985   if (dx)
5986   {
5987     x = (dx == 1 ? 0 : ed_fieldx - 1);
5988     for (y = 0; y < ed_fieldy; y++)
5989       DrawEditorElementOrWall(x, y, from_x, from_y);
5990   }
5991   else if (dy)
5992   {
5993     y = (dy == 1 ? 0 : ed_fieldy - 1);
5994     for (x = 0; x < ed_fieldx; x++)
5995       DrawEditorElementOrWall(x, y, from_x, from_y);
5996   }
5997
5998   redraw_mask |= REDRAW_FIELD;
5999   BackToFront();
6000 }
6001
6002 void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6003                             int *x, int *y)
6004 {
6005   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6006 }
6007
6008 static void CreateControlButtons()
6009 {
6010   struct GadgetInfo *gi;
6011   int i;
6012
6013   /* create toolbox buttons */
6014   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6015   {
6016     int id = controlbutton_info[i].gadget_id;
6017     int type = controlbutton_info[i].gadget_type;
6018     int graphic = controlbutton_info[i].graphic;
6019     struct XYTileSize *pos = controlbutton_info[i].pos;
6020     struct GraphicInfo *gd = &graphic_info[graphic];
6021     Bitmap *deco_bitmap = NULL;
6022     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6023     int tile_size = 0, deco_shift = 0;
6024     boolean deco_masked = FALSE;
6025     int gd_x1 = gd->src_x;
6026     int gd_y1 = gd->src_y;
6027     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6028     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6029     int gd_x1a = gd->src_x + gd->active_xoffset;
6030     int gd_y1a = gd->src_y + gd->active_yoffset;
6031     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6032     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6033     int x = pos->x;
6034     int y = pos->y;
6035     unsigned int event_mask;
6036     int radio_button_nr = RADIO_NR_NONE;
6037     boolean checked = FALSE;
6038
6039     if (type == GD_TYPE_RADIO_BUTTON)
6040     {
6041       event_mask = GD_EVENT_PRESSED;
6042       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6043
6044       if (id == drawing_function)
6045         checked = TRUE;
6046     }
6047     else
6048     {
6049       if (id == GADGET_ID_WRAP_LEFT ||
6050           id == GADGET_ID_WRAP_RIGHT ||
6051           id == GADGET_ID_WRAP_UP ||
6052           id == GADGET_ID_WRAP_DOWN)
6053         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6054       else
6055         event_mask = GD_EVENT_RELEASED;
6056     }
6057
6058     if (id == GADGET_ID_PROPERTIES ||
6059         id == GADGET_ID_PALETTE)
6060     {
6061       x += DX;
6062       y += DY;
6063     }
6064     else if (id == GADGET_ID_ELEMENT_LEFT ||
6065              id == GADGET_ID_ELEMENT_MIDDLE ||
6066              id == GADGET_ID_ELEMENT_RIGHT)
6067     {
6068       x += DX;
6069       y += DY;
6070
6071       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6072                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6073                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6074
6075       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6076                                    editor.button.element_left.tile_size :
6077                                    id == GADGET_ID_ELEMENT_MIDDLE ?
6078                                    editor.button.element_middle.tile_size :
6079                                    id == GADGET_ID_ELEMENT_RIGHT ?
6080                                    editor.button.element_right.tile_size : 0);
6081
6082       // make sure that decoration does not overlap gadget border
6083       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
6084
6085       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
6086
6087       deco_xpos = (gd->width  - tile_size) / 2;
6088       deco_ypos = (gd->height - tile_size) / 2;
6089       deco_shift = 1;
6090       deco_masked = gd->draw_masked;
6091     }
6092     else
6093     {
6094       x += EX;
6095       y += EY;
6096     }
6097
6098     gi = CreateGadget(GDI_CUSTOM_ID, id,
6099                       GDI_CUSTOM_TYPE_ID, i,
6100                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
6101                       GDI_X, x,
6102                       GDI_Y, y,
6103                       GDI_WIDTH, gd->width,
6104                       GDI_HEIGHT, gd->height,
6105                       GDI_TYPE, type,
6106                       GDI_STATE, GD_BUTTON_UNPRESSED,
6107                       GDI_RADIO_NR, radio_button_nr,
6108                       GDI_CHECKED, checked,
6109                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6110                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6111                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6112                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6113                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6114                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6115                       GDI_DECORATION_SIZE, tile_size, tile_size,
6116                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
6117                       GDI_DECORATION_MASKED, deco_masked,
6118                       GDI_EVENT_MASK, event_mask,
6119                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6120                       GDI_CALLBACK_ACTION, HandleControlButtons,
6121                       GDI_END);
6122
6123     if (gi == NULL)
6124       Error(ERR_EXIT, "cannot create gadget");
6125
6126     level_editor_gadget[id] = gi;
6127   }
6128
6129   /* these values are not constant, but can change at runtime */
6130   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
6131   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
6132   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
6133   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
6134   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
6135   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
6136   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
6137   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
6138   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
6139   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
6140   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
6141   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
6142
6143   /* create buttons for scrolling of drawing area and element list */
6144   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
6145   {
6146     int id = scrollbutton_info[i].gadget_id;
6147     int graphic = scrollbutton_info[i].graphic;
6148     struct GraphicInfo *gd = &graphic_info[graphic];
6149     Bitmap *gd_bitmap = gd->bitmap;
6150     int gd_x1 = gd->src_x;
6151     int gd_y1 = gd->src_y;
6152     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6153     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6154     int width  = gd->width;
6155     int height = gd->height;
6156     int x = scrollbutton_pos[i].x;
6157     int y = scrollbutton_pos[i].y;
6158     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6159
6160     if (id == GADGET_ID_SCROLL_LIST_UP ||
6161         id == GADGET_ID_SCROLL_LIST_DOWN)
6162     {
6163       x += PX;
6164       y += PY;
6165     }
6166     else
6167     {
6168       x += SX;
6169       y += SY;
6170     }
6171
6172     gi = CreateGadget(GDI_CUSTOM_ID, id,
6173                       GDI_CUSTOM_TYPE_ID, i,
6174                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
6175                       GDI_X, x,
6176                       GDI_Y, y,
6177                       GDI_WIDTH, width,
6178                       GDI_HEIGHT, height,
6179                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6180                       GDI_STATE, GD_BUTTON_UNPRESSED,
6181                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6182                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6183                       GDI_EVENT_MASK, event_mask,
6184                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6185                       GDI_CALLBACK_ACTION, HandleControlButtons,
6186                       GDI_END);
6187
6188     if (gi == NULL)
6189       Error(ERR_EXIT, "cannot create gadget");
6190
6191     level_editor_gadget[id] = gi;
6192   }
6193
6194   /* create buttons for element list */
6195   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6196   {
6197     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
6198     int graphic = IMG_EDITOR_PALETTE_BUTTON;
6199     struct GraphicInfo *gd = &graphic_info[graphic];
6200     Bitmap *gd_bitmap = gd->bitmap;
6201     Bitmap *deco_bitmap;
6202     int deco_x, deco_y, deco_xpos, deco_ypos;
6203     int gd_x1 = gd->src_x;
6204     int gd_y1 = gd->src_y;
6205     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6206     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6207     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
6208     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
6209     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
6210     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
6211     int element = editor_elements[i];
6212     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
6213     unsigned int event_mask = GD_EVENT_RELEASED;
6214
6215     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
6216
6217     deco_xpos = (gd->width  - tile_size) / 2;
6218     deco_ypos = (gd->height - tile_size) / 2;
6219
6220     gi = CreateGadget(GDI_CUSTOM_ID, id,
6221                       GDI_CUSTOM_TYPE_ID, i,
6222                       GDI_INFO_TEXT, getElementInfoText(element),
6223                       GDI_X, x,
6224                       GDI_Y, y,
6225                       GDI_WIDTH, gd->width,
6226                       GDI_HEIGHT, gd->height,
6227                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6228                       GDI_STATE, GD_BUTTON_UNPRESSED,
6229                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
6230                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
6231                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
6232                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
6233                       GDI_DECORATION_SIZE, tile_size, tile_size,
6234                       GDI_DECORATION_SHIFTING, 1, 1,
6235                       GDI_EVENT_MASK, event_mask,
6236                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6237                       GDI_CALLBACK_ACTION, HandleControlButtons,
6238                       GDI_END);
6239
6240     if (gi == NULL)
6241       Error(ERR_EXIT, "cannot create gadget");
6242
6243     level_editor_gadget[id] = gi;
6244   }
6245 }
6246
6247 static void CreateCounterButtons()
6248 {
6249   int max_infotext_len = getMaxInfoTextLength();
6250   int i;
6251
6252   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
6253   {
6254     int j;
6255     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); /* down count button */
6256     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
6257
6258     /* determine horizontal position to the right of specified gadget */
6259     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6260       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
6261            ED_GADGET_TEXT_DISTANCE);
6262
6263     /* determine horizontal offset for leading text */
6264     if (counterbutton_info[i].text_left != NULL)
6265       x += getTextWidthForGadget(counterbutton_info[i].text_left);
6266
6267     for (j = 0; j < 2; j++)
6268     {
6269       struct GadgetInfo *gi;
6270       int id = (j == 0 ?
6271                 counterbutton_info[i].gadget_id_down :
6272                 counterbutton_info[i].gadget_id_up);
6273       int graphic;
6274       struct GraphicInfo *gd;
6275       int gd_x1, gd_x2, gd_y1, gd_y2;
6276       unsigned int event_mask;
6277       char infotext[max_infotext_len + 1];
6278
6279       event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6280
6281       if (i == ED_COUNTER_ID_SELECT_LEVEL)
6282       {
6283         graphic = (j == 0 ?
6284                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
6285                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
6286
6287         event_mask |= GD_EVENT_RELEASED;
6288
6289         if (j == 0)
6290         {
6291           x = DX + editor.button.prev_level.x;
6292           y = DY + editor.button.prev_level.y;
6293         }
6294         else
6295         {
6296           x = DX + editor.button.next_level.x;
6297           y = DY + editor.button.next_level.y;
6298         }
6299       }
6300       else
6301       {
6302         graphic = (j == 0 ?
6303                    IMG_EDITOR_COUNTER_DOWN :
6304                    IMG_EDITOR_COUNTER_UP);
6305       }
6306
6307       gd = &graphic_info[graphic];
6308
6309       gd_x1 = gd->src_x;
6310       gd_y1 = gd->src_y;
6311       gd_x2 = gd->src_x + gd->pressed_xoffset;
6312       gd_y2 = gd->src_y + gd->pressed_yoffset;
6313
6314       sprintf(infotext, "%s counter value by 1, 5 or 10",
6315               (j == 0 ? "decrease" : "increase"));
6316
6317       gi = CreateGadget(GDI_CUSTOM_ID, id,
6318                         GDI_CUSTOM_TYPE_ID, i,
6319                         GDI_INFO_TEXT, infotext,
6320                         GDI_X, x,
6321                         GDI_Y, y,
6322                         GDI_WIDTH, gd->width,
6323                         GDI_HEIGHT, gd->height,
6324                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6325                         GDI_STATE, GD_BUTTON_UNPRESSED,
6326                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6327                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6328                         GDI_EVENT_MASK, event_mask,
6329                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6330                         GDI_CALLBACK_ACTION, HandleCounterButtons,
6331                         GDI_END);
6332
6333       if (gi == NULL)
6334         Error(ERR_EXIT, "cannot create gadget");
6335
6336       level_editor_gadget[id] = gi;
6337       right_gadget_border[id] =
6338         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6339
6340       x += gi->width + ED_GADGET_SMALL_DISTANCE;        /* text count button */
6341
6342       if (j == 0)
6343       {
6344         int font_type = FONT_INPUT_1;
6345         int font_type_active = FONT_INPUT_1_ACTIVE;
6346
6347         id = counterbutton_info[i].gadget_id_text;
6348
6349         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6350
6351         if (i == ED_COUNTER_ID_SELECT_LEVEL)
6352         {
6353           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
6354
6355           font_type = FONT_LEVEL_NUMBER;
6356           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
6357
6358           x = DX + editor.input.level_number.x;
6359           y = DY + editor.input.level_number.y;
6360         }
6361         else
6362         {
6363           graphic = IMG_EDITOR_COUNTER_INPUT;
6364         }
6365
6366         gd = &graphic_info[graphic];
6367
6368         gd_x1 = gd->src_x;
6369         gd_y1 = gd->src_y;
6370         gd_x2 = gd->src_x + gd->active_xoffset;
6371         gd_y2 = gd->src_y + gd->active_yoffset;
6372
6373         gi = CreateGadget(GDI_CUSTOM_ID, id,
6374                           GDI_CUSTOM_TYPE_ID, i,
6375                           GDI_INFO_TEXT, "enter counter value",
6376                           GDI_X, x,
6377                           GDI_Y, y,
6378                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
6379                           GDI_NUMBER_VALUE, 0,
6380                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
6381                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
6382                           GDI_TEXT_SIZE, 3,     /* minimal counter text size */
6383                           GDI_TEXT_FONT, font_type,
6384                           GDI_TEXT_FONT_ACTIVE, font_type_active,
6385                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6386                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6387                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6388                           GDI_DESIGN_WIDTH, gd->width,
6389                           GDI_EVENT_MASK, event_mask,
6390                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6391                           GDI_CALLBACK_ACTION, HandleCounterButtons,
6392                           GDI_END);
6393
6394         if (gi == NULL)
6395           Error(ERR_EXIT, "cannot create gadget");
6396
6397         level_editor_gadget[id] = gi;
6398         right_gadget_border[id] =
6399           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
6400
6401         x += gi->width + ED_GADGET_SMALL_DISTANCE;      /* up count button */
6402       }
6403     }
6404   }
6405 }
6406
6407 static void CreateDrawingAreas()
6408 {
6409   int i;
6410
6411   /* these values are not constant, but can change at runtime */
6412   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
6413   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
6414
6415   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
6416   {
6417     struct GadgetInfo *gi;
6418     unsigned int event_mask;
6419     int id = drawingarea_info[i].gadget_id;
6420     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
6421     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
6422     int area_xsize = drawingarea_info[i].area_xsize;
6423     int area_ysize = drawingarea_info[i].area_ysize;
6424     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
6425                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
6426
6427     event_mask =
6428       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
6429       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
6430
6431     /* determine horizontal position to the right of specified gadget */
6432     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
6433       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
6434            ED_DRAWINGAREA_TEXT_DISTANCE);
6435
6436     /* determine horizontal offset for leading text */
6437     if (drawingarea_info[i].text_left != NULL)
6438       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
6439
6440     gi = CreateGadget(GDI_CUSTOM_ID, id,
6441                       GDI_CUSTOM_TYPE_ID, i,
6442                       GDI_X, x,
6443                       GDI_Y, y,
6444                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
6445                       GDI_AREA_SIZE, area_xsize, area_ysize,
6446                       GDI_ITEM_SIZE, item_size, item_size,
6447                       GDI_EVENT_MASK, event_mask,
6448                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
6449                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
6450                       GDI_END);
6451
6452     if (gi == NULL)
6453       Error(ERR_EXIT, "cannot create gadget");
6454
6455     level_editor_gadget[id] = gi;
6456     right_gadget_border[id] =
6457       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
6458   }
6459 }
6460
6461 static void CreateTextInputGadgets()
6462 {
6463   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
6464   int max_infotext_len = getMaxInfoTextLength();
6465   int i;
6466
6467   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
6468   {
6469     int gd_x1 = gd->src_x;
6470     int gd_y1 = gd->src_y;
6471     int gd_x2 = gd->src_x + gd->active_xoffset;
6472     int gd_y2 = gd->src_y + gd->active_yoffset;
6473     struct GadgetInfo *gi;
6474     unsigned int event_mask;
6475     char infotext[MAX_OUTPUT_LINESIZE + 1];
6476     int id = textinput_info[i].gadget_id;
6477     int x, y;
6478
6479     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
6480     {
6481       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
6482       int border_size = gd->border_size;
6483       int font_nr = FONT_INPUT_1;
6484       int font_height = getFontHeight(font_nr);
6485       int xoffset = element_border + TILEX + element_border + 3 * border_size;
6486       int yoffset = element_border + (TILEY - font_height) / 2;
6487
6488       x = (editor.settings.element_name.x != -1 ?
6489            editor.settings.element_name.x :
6490            editor.settings.element_graphic.x + xoffset) - border_size;
6491       y = (editor.settings.element_name.y != -1 ?
6492            editor.settings.element_name.y :
6493            editor.settings.element_graphic.y + yoffset) - border_size;
6494     }
6495     else
6496     {
6497       x = ED_SETTINGS_X(textinput_info[i].x);
6498       y = ED_SETTINGS_Y(textinput_info[i].y);
6499     }
6500
6501     event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6502
6503     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
6504     infotext[max_infotext_len] = '\0';
6505
6506     gi = CreateGadget(GDI_CUSTOM_ID, id,
6507                       GDI_CUSTOM_TYPE_ID, i,
6508                       GDI_INFO_TEXT, infotext,
6509                       GDI_X, SX + x,
6510                       GDI_Y, SY + y,
6511                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
6512                       GDI_TEXT_VALUE, textinput_info[i].value,
6513                       GDI_TEXT_SIZE, textinput_info[i].size,
6514                       GDI_TEXT_FONT, FONT_INPUT_1,
6515                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6516                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6517                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6518                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6519                       GDI_DESIGN_WIDTH, gd->width,
6520                       GDI_EVENT_MASK, event_mask,
6521                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6522                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
6523                       GDI_END);
6524
6525     if (gi == NULL)
6526       Error(ERR_EXIT, "cannot create gadget");
6527
6528     level_editor_gadget[id] = gi;
6529   }
6530 }
6531
6532 static void CreateTextAreaGadgets()
6533 {
6534   int max_infotext_len = getMaxInfoTextLength();
6535   int i;
6536
6537   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
6538   {
6539     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
6540     int gd_x1 = gd->src_x;
6541     int gd_y1 = gd->src_y;
6542     int gd_x2 = gd->src_x + gd->active_xoffset;
6543     int gd_y2 = gd->src_y + gd->active_yoffset;
6544     struct GadgetInfo *gi;
6545     unsigned int event_mask;
6546     char infotext[MAX_OUTPUT_LINESIZE + 1];
6547     int id = textarea_info[i].gadget_id;
6548     int area_xsize = textarea_info[i].xsize;
6549     int area_ysize = textarea_info[i].ysize;
6550
6551     event_mask = GD_EVENT_TEXT_LEAVING;
6552
6553     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
6554     infotext[max_infotext_len] = '\0';
6555
6556     gi = CreateGadget(GDI_CUSTOM_ID, id,
6557                       GDI_CUSTOM_TYPE_ID, i,
6558                       GDI_INFO_TEXT, infotext,
6559                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
6560                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
6561                       GDI_TYPE, GD_TYPE_TEXT_AREA,
6562                       GDI_AREA_SIZE, area_xsize, area_ysize,
6563                       GDI_TEXT_FONT, FONT_INPUT_1,
6564                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6565                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6566                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6567                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6568                       GDI_DESIGN_WIDTH, gd->width,
6569                       GDI_EVENT_MASK, event_mask,
6570                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6571                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
6572                       GDI_END);
6573
6574     if (gi == NULL)
6575       Error(ERR_EXIT, "cannot create gadget");
6576
6577     level_editor_gadget[id] = gi;
6578   }
6579 }
6580
6581 static void CreateSelectboxGadgets()
6582 {
6583   int max_infotext_len = getMaxInfoTextLength();
6584   int i, j;
6585
6586   for (i = 0; i < ED_NUM_SELECTBOX; i++)
6587   {
6588     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
6589     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
6590     int gd_x1 = gd->src_x;
6591     int gd_y1 = gd->src_y;
6592     int gd_x2 = gd->src_x + gd->active_xoffset;
6593     int gd_y2 = gd->src_y + gd->active_yoffset;
6594     int selectbox_button_xsize = gd2->width;
6595     struct GadgetInfo *gi;
6596     unsigned int event_mask;
6597     char infotext[MAX_OUTPUT_LINESIZE + 1];
6598     int id = selectbox_info[i].gadget_id;
6599     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
6600     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
6601
6602     if (selectbox_info[i].size == -1)   /* dynamically determine size */
6603     {
6604       /* (we cannot use -1 for uninitialized values if we directly compare
6605          with results from strlen(), because the '<' and '>' operation will
6606          implicitely cast -1 to an unsigned integer value!) */
6607       selectbox_info[i].size = 0;
6608
6609       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
6610         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
6611           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
6612
6613       selectbox_info[i].size++;         /* add one character empty space */
6614     }
6615
6616     event_mask = GD_EVENT_RELEASED |
6617       GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
6618
6619     /* determine horizontal position to the right of specified gadget */
6620     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
6621       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
6622            ED_GADGET_TEXT_DISTANCE);
6623
6624     /* determine horizontal offset for leading text */
6625     if (selectbox_info[i].text_left != NULL)
6626       x += getTextWidthForGadget(selectbox_info[i].text_left);
6627
6628     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
6629     infotext[max_infotext_len] = '\0';
6630
6631     gi = CreateGadget(GDI_CUSTOM_ID, id,
6632                       GDI_CUSTOM_TYPE_ID, i,
6633                       GDI_INFO_TEXT, infotext,
6634                       GDI_X, x,
6635                       GDI_Y, y,
6636                       GDI_TYPE, GD_TYPE_SELECTBOX,
6637                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
6638                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
6639                       GDI_TEXT_SIZE, selectbox_info[i].size,
6640                       GDI_TEXT_FONT, FONT_INPUT_1,
6641                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
6642                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
6643                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6644                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6645                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6646                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
6647                       GDI_DESIGN_WIDTH, gd->width,
6648                       GDI_EVENT_MASK, event_mask,
6649                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6650                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
6651                       GDI_END);
6652
6653     if (gi == NULL)
6654       Error(ERR_EXIT, "cannot create gadget");
6655
6656     level_editor_gadget[id] = gi;
6657     right_gadget_border[id] =
6658       getRightGadgetBorder(gi, selectbox_info[i].text_right);
6659   }
6660 }
6661
6662 static void CreateTextbuttonGadgets()
6663 {
6664   int max_infotext_len = getMaxInfoTextLength();
6665   int i;
6666
6667   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
6668   {
6669     int id = textbutton_info[i].gadget_id;
6670     int is_tab_button =
6671       ((id >= GADGET_ID_LEVELINFO_LEVEL && id <= GADGET_ID_LEVELINFO_EDITOR) ||
6672        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
6673     int graphic =
6674       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
6675     int gadget_distance =
6676       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
6677     struct GraphicInfo *gd = &graphic_info[graphic];
6678     int gd_x1 = gd->src_x;
6679     int gd_y1 = gd->src_y;
6680     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6681     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6682     int gd_x1a = gd->src_x + gd->active_xoffset;
6683     int gd_y1a = gd->src_y + gd->active_yoffset;
6684     int border_xsize = gd->border_size + gd->draw_xoffset;
6685     int border_ysize = gd->border_size;
6686     struct GadgetInfo *gi;
6687     unsigned int event_mask;
6688     char infotext[MAX_OUTPUT_LINESIZE + 1];
6689     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
6690     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
6691
6692     if (textbutton_info[i].size == -1)  /* dynamically determine size */
6693       textbutton_info[i].size = strlen(textbutton_info[i].text);
6694
6695     event_mask = GD_EVENT_RELEASED;
6696
6697     sprintf(infotext, "%s", textbutton_info[i].infotext);
6698     infotext[max_infotext_len] = '\0';
6699
6700     /* determine horizontal position to the right of specified gadget */
6701     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6702     {
6703       int gadget_id_align = textbutton_info[i].gadget_id_align;
6704
6705       x = right_gadget_border[gadget_id_align] + gadget_distance;
6706
6707       if (textbutton_info[i].y == -1)
6708         y = level_editor_gadget[gadget_id_align]->y;
6709     }
6710
6711     /* determine horizontal offset for leading text */
6712     if (textbutton_info[i].text_left != NULL)
6713       x += getTextWidthForGadget(textbutton_info[i].text_left);
6714
6715     gi = CreateGadget(GDI_CUSTOM_ID, id,
6716                       GDI_CUSTOM_TYPE_ID, i,
6717                       GDI_INFO_TEXT, infotext,
6718                       GDI_X, x,
6719                       GDI_Y, y,
6720                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
6721                       GDI_TEXT_VALUE, textbutton_info[i].text,
6722                       GDI_TEXT_SIZE, textbutton_info[i].size,
6723                       GDI_TEXT_FONT, FONT_INPUT_2,
6724                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
6725                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6726                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6727                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6728                       GDI_BORDER_SIZE, border_xsize, border_ysize,
6729                       GDI_DESIGN_WIDTH, gd->width,
6730                       GDI_DECORATION_SHIFTING, 1, 1,
6731                       GDI_EVENT_MASK, event_mask,
6732                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6733                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
6734                       GDI_END);
6735
6736     if (gi == NULL)
6737       Error(ERR_EXIT, "cannot create gadget");
6738
6739     level_editor_gadget[id] = gi;
6740     right_gadget_border[id] =
6741       getRightGadgetBorder(gi, textbutton_info[i].text_right);
6742   }
6743 }
6744
6745 static void CreateGraphicbuttonGadgets()
6746 {
6747   struct GadgetInfo *gi;
6748   unsigned int event_mask;
6749   int i;
6750
6751   /* create buttons for scrolling of drawing area and element list */
6752   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
6753   {
6754     int id = graphicbutton_info[i].gadget_id;
6755     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
6756     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
6757     struct GraphicInfo *gd = &graphic_info[graphicbutton_info[i].graphic];
6758     int gd_x1 = gd->src_x;
6759     int gd_y1 = gd->src_y;
6760     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6761     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6762
6763     event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6764
6765     /* determine horizontal position to the right of specified gadget */
6766     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6767       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
6768            ED_GADGET_TEXT_DISTANCE);
6769
6770     /* determine horizontal offset for leading text */
6771     if (graphicbutton_info[i].text_left != NULL)
6772       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
6773
6774     gi = CreateGadget(GDI_CUSTOM_ID, id,
6775                       GDI_CUSTOM_TYPE_ID, i,
6776                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
6777                       GDI_X, x,
6778                       GDI_Y, y,
6779                       GDI_WIDTH, gd->width,
6780                       GDI_HEIGHT, gd->height,
6781                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
6782                       GDI_STATE, GD_BUTTON_UNPRESSED,
6783                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6784                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6785                       GDI_EVENT_MASK, event_mask,
6786                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6787                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
6788                       GDI_END);
6789
6790     if (gi == NULL)
6791       Error(ERR_EXIT, "cannot create gadget");
6792
6793     level_editor_gadget[id] = gi;
6794     right_gadget_border[id] =
6795       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
6796   }
6797 }
6798
6799 static void CreateScrollbarGadgets()
6800 {
6801   int i;
6802
6803   /* these values are not constant, but can change at runtime */
6804   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
6805     SX + ED_SCROLL_HORIZONTAL_XPOS;
6806   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
6807     SY + ED_SCROLL_HORIZONTAL_YPOS;
6808   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
6809     ED_SCROLL_HORIZONTAL_XSIZE;
6810   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
6811     ED_SCROLL_HORIZONTAL_YSIZE;
6812   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
6813   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
6814   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
6815   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
6816
6817   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
6818     SX + ED_SCROLL_VERTICAL_XPOS;
6819   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
6820     SY + ED_SCROLL_VERTICAL_YPOS;
6821   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
6822     ED_SCROLL_VERTICAL_XSIZE;
6823   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
6824     ED_SCROLL_VERTICAL_YSIZE;
6825   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
6826   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
6827   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
6828   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
6829
6830   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
6831     PX + ED_SCROLL2_VERTICAL_XPOS;
6832   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
6833     PY + ED_SCROLL2_VERTICAL_YPOS;
6834   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
6835     ED_SCROLL2_VERTICAL_XSIZE;
6836   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
6837     ED_SCROLL2_VERTICAL_YSIZE;
6838   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
6839   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
6840   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
6841   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
6842
6843   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
6844   {
6845     int id = scrollbar_info[i].gadget_id;
6846     int graphic = scrollbar_info[i].graphic;
6847     struct GraphicInfo *gd = &graphic_info[graphic];
6848     int gd_x1 = gd->src_x;
6849     int gd_y1 = gd->src_y;
6850     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6851     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6852     struct GadgetInfo *gi;
6853     int items_max, items_visible, item_position;
6854     unsigned int event_mask;
6855
6856     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
6857     {
6858       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
6859       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
6860       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
6861     }
6862     else        /* drawing area scrollbars */
6863     {
6864       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
6865       {
6866         items_max = MAX(lev_fieldx + 2, ed_fieldx);
6867         items_visible = ed_fieldx;
6868         item_position = 0;
6869       }
6870       else
6871       {
6872         items_max = MAX(lev_fieldy + 2, ed_fieldy);
6873         items_visible = ed_fieldy;
6874         item_position = 0;
6875       }
6876     }
6877
6878     event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
6879
6880     gi = CreateGadget(GDI_CUSTOM_ID, id,
6881                       GDI_CUSTOM_TYPE_ID, i,
6882                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
6883                       GDI_X, scrollbar_pos[i].x,
6884                       GDI_Y, scrollbar_pos[i].y,
6885                       GDI_WIDTH, scrollbar_pos[i].width,
6886                       GDI_HEIGHT, scrollbar_pos[i].height,
6887                       GDI_TYPE, scrollbar_info[i].type,
6888                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
6889                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
6890                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
6891                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
6892                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
6893                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
6894                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
6895                       GDI_STATE, GD_BUTTON_UNPRESSED,
6896                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6897                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6898                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
6899                       GDI_EVENT_MASK, event_mask,
6900                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6901                       GDI_CALLBACK_ACTION, HandleControlButtons,
6902                       GDI_END);
6903
6904     if (gi == NULL)
6905       Error(ERR_EXIT, "cannot create gadget");
6906
6907     level_editor_gadget[id] = gi;
6908   }
6909 }
6910
6911 static void CreateCheckbuttonGadgets()
6912 {
6913   struct GadgetInfo *gi;
6914   unsigned int event_mask;
6915   int i;
6916
6917   event_mask = GD_EVENT_PRESSED;
6918
6919   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
6920   {
6921     int id = checkbutton_info[i].gadget_id;
6922     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
6923                    IMG_EDITOR_CHECKBOX);
6924     struct GraphicInfo *gd = &graphic_info[graphic];
6925     int gd_x1 = gd->src_x;
6926     int gd_y1 = gd->src_y;
6927     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6928     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6929     int gd_x1a = gd->src_x + gd->active_xoffset;
6930     int gd_y1a = gd->src_y + gd->active_yoffset;
6931     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6932     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6933     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
6934     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
6935
6936     /* determine horizontal position to the right of specified gadget */
6937     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
6938       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
6939            ED_GADGET_TEXT_DISTANCE);
6940
6941     /* determine horizontal offset for leading text */
6942     if (checkbutton_info[i].text_left != NULL)
6943       x += getTextWidthForGadget(checkbutton_info[i].text_left);
6944
6945     gi = CreateGadget(GDI_CUSTOM_ID, id,
6946                       GDI_CUSTOM_TYPE_ID, i,
6947                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
6948                       GDI_X, x,
6949                       GDI_Y, y,
6950                       GDI_WIDTH, gd->width,
6951                       GDI_HEIGHT, gd->height,
6952                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
6953                       GDI_CHECKED, *checkbutton_info[i].value,
6954                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
6955                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
6956                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
6957                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
6958                       GDI_EVENT_MASK, event_mask,
6959                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
6960                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
6961                       GDI_END);
6962
6963     if (gi == NULL)
6964       Error(ERR_EXIT, "cannot create gadget");
6965
6966     level_editor_gadget[id] = gi;
6967     right_gadget_border[id] =
6968       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
6969   }
6970 }
6971
6972 static void CreateRadiobuttonGadgets()
6973 {
6974   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_RADIOBUTTON];
6975   int gd_x1 = gd->src_x;
6976   int gd_y1 = gd->src_y;
6977   int gd_x2 = gd->src_x + gd->pressed_xoffset;
6978   int gd_y2 = gd->src_y + gd->pressed_yoffset;
6979   int gd_x1a = gd->src_x + gd->active_xoffset;
6980   int gd_y1a = gd->src_y + gd->active_yoffset;
6981   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6982   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6983   struct GadgetInfo *gi;
6984   unsigned int event_mask;
6985   int i;
6986
6987   event_mask = GD_EVENT_PRESSED;
6988
6989   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
6990   {
6991     int id = radiobutton_info[i].gadget_id;
6992     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
6993     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
6994
6995     int checked =
6996       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
6997
6998     /* determine horizontal position to the right of specified gadget */
6999     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7000       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7001            ED_GADGET_TEXT_DISTANCE);
7002
7003     /* determine horizontal offset for leading text */
7004     if (radiobutton_info[i].text_left != NULL)
7005       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7006
7007     gi = CreateGadget(GDI_CUSTOM_ID, id,
7008                       GDI_CUSTOM_TYPE_ID, i,
7009                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7010                       GDI_X, x,
7011                       GDI_Y, y,
7012                       GDI_WIDTH, gd->width,
7013                       GDI_HEIGHT, gd->height,
7014                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7015                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7016                       GDI_CHECKED, checked,
7017                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7018                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7019                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7020                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7021                       GDI_EVENT_MASK, event_mask,
7022                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7023                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7024                       GDI_END);
7025
7026     if (gi == NULL)
7027       Error(ERR_EXIT, "cannot create gadget");
7028
7029     level_editor_gadget[id] = gi;
7030     right_gadget_border[id] =
7031       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7032   }
7033 }
7034
7035 void CreateLevelEditorGadgets()
7036 {
7037   /* force EDITOR font inside level editor */
7038   SetFontStatus(GAME_MODE_EDITOR);
7039
7040   /* these values are not constant, but can change at runtime */
7041   ed_fieldx = MAX_ED_FIELDX - 1;
7042   ed_fieldy = MAX_ED_FIELDY - 1;
7043
7044   num_editor_gadgets = NUM_EDITOR_GADGETS;
7045
7046   // printf("::: allocating %d gadgets ...\n", num_editor_gadgets);
7047
7048   level_editor_gadget =
7049     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
7050   right_gadget_border =
7051     checked_calloc(num_editor_gadgets * sizeof(int));
7052
7053   editor_el_empty = checked_calloc(ED_NUM_ELEMENTLIST_BUTTONS * sizeof(int));
7054   editor_el_empty_ptr = editor_el_empty;
7055
7056   use_permanent_palette = !editor.palette.show_as_separate_screen;
7057
7058   ReinitializeElementList();
7059
7060   CreateControlButtons();
7061   CreateScrollbarGadgets();
7062
7063   /* order of function calls is important because of cross-references */
7064   CreateCheckbuttonGadgets();
7065   CreateCounterButtons();
7066   CreateRadiobuttonGadgets();
7067   CreateTextInputGadgets();
7068   CreateTextAreaGadgets();
7069   CreateSelectboxGadgets();
7070   CreateGraphicbuttonGadgets();
7071   CreateTextbuttonGadgets();
7072   CreateDrawingAreas();
7073
7074   ResetFontStatus();
7075 }
7076
7077 void FreeLevelEditorGadgets()
7078 {
7079   int i;
7080
7081   // printf("::: freeing %d gadgets ...\n", num_editor_gadgets);
7082
7083   for (i = 0; i < num_editor_gadgets; i++)
7084   {
7085     FreeGadget(level_editor_gadget[i]);
7086
7087     level_editor_gadget[i] = NULL;
7088   }
7089
7090   checked_free(level_editor_gadget);
7091   checked_free(right_gadget_border);
7092
7093   checked_free(editor_el_empty);
7094 }
7095
7096 static void MapCounterButtons(int id)
7097 {
7098   int font_nr = FONT_TEXT_1;
7099   int font_height = getFontHeight(font_nr);
7100   int gadget_id_down = counterbutton_info[id].gadget_id_down;
7101   int gadget_id_text = counterbutton_info[id].gadget_id_text;
7102   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
7103   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
7104   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
7105   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
7106   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
7107   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7108   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7109   int yoffset = (gi_down->height - font_height) / 2;
7110   int x_left = gi_down->x - xoffset_left;
7111   int x_right;  /* set after gadget position was modified */
7112   int y_above = gi_down->y - yoffset_above;
7113   int x = gi_down->x;
7114   int y;        /* set after gadget position was modified */
7115
7116   /* counter limits must be changed first to prevent value truncation */
7117   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
7118                             counterbutton_info[id].max_value);
7119
7120   /* right text position might have changed after setting position above */
7121   x_right = gi_up->x + gi_up->width + xoffset_right;
7122
7123   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
7124
7125   /* set position for "value[1,2,3,4]" counter gadgets (score in most cases) */
7126   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
7127       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
7128   {
7129     ModifyGadget(gi_down, GDI_Y,
7130                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7131     ModifyGadget(gi_text, GDI_Y,
7132                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7133     ModifyGadget(gi_up,   GDI_Y,
7134                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
7135   }
7136
7137   /* vertical position might have changed after setting position above */
7138   y = gi_up->y + yoffset;
7139
7140   if (counterbutton_info[id].text_above)
7141     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
7142
7143   if (counterbutton_info[id].text_left)
7144     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
7145
7146   if (counterbutton_info[id].text_right)
7147     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
7148
7149   MapGadget(gi_down);
7150   MapGadget(gi_text);
7151   MapGadget(gi_up);
7152 }
7153
7154 static void MapControlButtons()
7155 {
7156   int counter_id;
7157   int i;
7158
7159   /* map toolbox buttons (excluding special CE toolbox buttons) */
7160   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
7161     MapGadget(level_editor_gadget[i]);
7162
7163   /* map toolbox buttons (element properties buttons) */
7164   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
7165     MapGadget(level_editor_gadget[i]);
7166
7167   if (use_permanent_palette)
7168   {
7169     /* map buttons to select elements */
7170     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7171       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
7172     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
7173     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
7174     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
7175   }
7176
7177   /* map buttons to select level */
7178   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
7179   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
7180   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
7181   MapCounterButtons(counter_id);
7182 }
7183
7184 static void MapDrawingArea(int id)
7185 {
7186   int font_nr = FONT_TEXT_1;
7187   int font_height = getFontHeight(font_nr);
7188   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7189   int area_xsize = gi->drawing.area_xsize;
7190   int area_ysize = gi->drawing.area_ysize;
7191   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
7192   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
7193   int x_left  = gi->x - xoffset_left;
7194   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
7195   int x_below = gi->x + (gi->width - xoffset_below) / 2;
7196   int y_side  = gi->y + (gi->height - font_height) / 2;
7197   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
7198
7199   if (drawingarea_info[id].text_left)
7200     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
7201
7202   if (drawingarea_info[id].text_right)
7203     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
7204
7205   if (drawingarea_info[id].text_below)
7206     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
7207
7208   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
7209   {
7210     DrawElementBorder(gi->x, gi->y,
7211                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
7212                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
7213
7214     DrawDrawingArea(id);
7215   }
7216
7217   MapGadget(gi);
7218 }
7219
7220 static void MapTextInputGadget(int id)
7221 {
7222   int font_nr = FONT_TEXT_1;
7223   int font_height = getFontHeight(font_nr);
7224   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
7225   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7226   int x_above = ED_SETTINGS_X(textinput_info[id].x);
7227   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
7228
7229   if (textinput_info[id].text_above)
7230     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
7231
7232   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
7233
7234   MapGadget(gi);
7235 }
7236
7237 static void MapTextAreaGadget(int id)
7238 {
7239   int font_nr = FONT_TEXT_1;
7240   int font_height = getFontHeight(font_nr);
7241   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
7242   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7243   int x_above = ED_SETTINGS_X(textarea_info[id].x);
7244   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
7245
7246   if (textarea_info[id].text_above)
7247     DrawTextS(x_above, y_above, font_nr, textarea_info[id].text_above);
7248
7249   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
7250
7251   MapGadget(gi);
7252 }
7253
7254 static void MapSelectboxGadget(int id)
7255 {
7256   int font_nr = FONT_TEXT_1;
7257   int font_height = getFontHeight(font_nr);
7258   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
7259   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
7260   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7261   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7262   int yoffset = (gi->height - font_height) / 2;
7263   int x_left = gi->x - xoffset_left;
7264   int x_right = gi->x + gi->width + xoffset_right;
7265   int y_above = gi->y - yoffset_above;
7266   int x = gi->x;
7267   int y = gi->y + yoffset;
7268
7269   if (selectbox_info[id].text_above)
7270     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
7271
7272   if (selectbox_info[id].text_left)
7273     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
7274
7275   if (selectbox_info[id].text_right)
7276     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
7277
7278   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
7279
7280   MapGadget(gi);
7281 }
7282
7283 static void MapTextbuttonGadget(int id)
7284 {
7285   int font_nr = FONT_TEXT_1;
7286   int font_height = getFontHeight(font_nr);
7287   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
7288   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
7289   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7290   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7291   int yoffset = (gi->height - font_height) / 2;
7292   int x_left = gi->x - xoffset_left;
7293   int x_right = gi->x + gi->width + xoffset_right;
7294   int y_above = gi->y - yoffset_above;
7295   int x = gi->x;
7296   int y = gi->y + yoffset;
7297
7298   /* only show button to delete change pages when more than minimum pages */
7299   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
7300       custom_element.num_change_pages == MIN_CHANGE_PAGES)
7301     return;
7302
7303   if (textbutton_info[id].text_above)
7304     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
7305
7306   if (textbutton_info[id].text_left)
7307     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
7308
7309   if (textbutton_info[id].text_right)
7310     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
7311
7312   MapGadget(gi);
7313 }
7314
7315 static void MapGraphicbuttonGadget(int id)
7316 {
7317   int font_nr = FONT_TEXT_1;
7318   int font_height = getFontHeight(font_nr);
7319   struct GadgetInfo *gi= level_editor_gadget[graphicbutton_info[id].gadget_id];
7320   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
7321   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7322   int yoffset = (gi->height - font_height) / 2;
7323   int x_left = gi->x - xoffset_left;
7324   int x_right = gi->x + gi->width + xoffset_right;
7325   int y = gi->y + yoffset;
7326
7327   if (graphicbutton_info[id].text_left)
7328     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
7329
7330   if (graphicbutton_info[id].text_right)
7331     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
7332
7333   MapGadget(gi);
7334 }
7335
7336 static void MapRadiobuttonGadget(int id)
7337 {
7338   int font_nr = FONT_TEXT_1;
7339   int font_height = getFontHeight(font_nr);
7340   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
7341   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7342   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7343   int yoffset = (gi->height - font_height) / 2;
7344   int x_left = gi->x - xoffset_left;
7345   int x_right = gi->x + gi->width + xoffset_right;
7346   int y = gi->y + yoffset;
7347   boolean checked =
7348     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
7349
7350   if (radiobutton_info[id].text_left)
7351     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
7352
7353   if (radiobutton_info[id].text_right)
7354     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
7355
7356   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
7357
7358   MapGadget(gi);
7359 }
7360
7361 static void MapCheckbuttonGadget(int id)
7362 {
7363   int font_nr = FONT_TEXT_1;
7364   int font_height = getFontHeight(font_nr);
7365   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
7366   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
7367   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
7368   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
7369   int yoffset = (gi->height - font_height) / 2;
7370   int y_above = gi->y - yoffset_above;
7371   int x = gi->x;
7372   int x_left, x_right, y;       /* set after gadget position was modified */
7373
7374   /* set position for gadgets with dynamically determined position */
7375   if (checkbutton_info[id].x != -1)     /* do not change dynamic positions */
7376     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x),GDI_END);
7377   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
7378
7379   x_left = gi->x - xoffset_left;
7380   x_right = gi->x + gi->width + xoffset_right;
7381   y = gi->y + yoffset;
7382
7383   if (checkbutton_info[id].text_above)
7384     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
7385
7386   if (checkbutton_info[id].text_left)
7387     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
7388
7389   if (checkbutton_info[id].text_right)
7390     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
7391
7392   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
7393
7394   MapGadget(gi);
7395 }
7396
7397 static void MapMainDrawingArea()
7398 {
7399   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
7400   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
7401   int i;
7402
7403   if (suppressBorderElement())
7404   {
7405     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
7406     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
7407   }
7408
7409   for (i=ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
7410   {
7411     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
7412           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
7413          no_horizontal_scrollbar) ||
7414         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
7415           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
7416          no_vertical_scrollbar))
7417       continue;
7418
7419     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
7420   }
7421
7422   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
7423   {
7424     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
7425         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
7426       continue;
7427
7428     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
7429   }
7430
7431   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
7432 }
7433
7434 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
7435 {
7436   int i;
7437
7438   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7439   {
7440     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
7441         i == GADGET_ID_CUSTOM_COPY_TO ||
7442         i == GADGET_ID_CUSTOM_EXCHANGE ||
7443         i == GADGET_ID_CUSTOM_COPY ||
7444         i == GADGET_ID_CUSTOM_PASTE)
7445     {
7446       if (map)
7447         MapGadget(level_editor_gadget[i]);
7448       else
7449         UnmapGadget(level_editor_gadget[i]);
7450     }
7451   }
7452 }
7453
7454 static void MapLevelEditorToolboxCustomGadgets()
7455 {
7456   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
7457 }
7458
7459 static void UnmapLevelEditorToolboxCustomGadgets()
7460 {
7461   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
7462 }
7463
7464 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
7465 {
7466   int i;
7467
7468   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
7469   {
7470     if (i != GADGET_ID_SINGLE_ITEMS &&
7471         i != GADGET_ID_PICK_ELEMENT)
7472     {
7473       struct GadgetInfo *gi = level_editor_gadget[i];
7474
7475       if (map)
7476       {
7477         MapGadget(gi);
7478       }
7479       else
7480       {
7481         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
7482         struct GraphicInfo *gd = &graphic_info[graphic];
7483
7484         UnmapGadget(gi);
7485
7486         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
7487                    gi->width, gi->height, gi->x, gi->y);
7488
7489         redraw_mask |= REDRAW_DOOR_3;
7490       }
7491     }
7492   }
7493 }
7494
7495 static void MapLevelEditorToolboxDrawingGadgets()
7496 {
7497   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
7498 }
7499
7500 static void UnmapLevelEditorToolboxDrawingGadgets()
7501 {
7502   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
7503 }
7504
7505 static void UnmapDrawingArea(int id)
7506 {
7507   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
7508 }
7509
7510 static void UnmapLevelEditorFieldGadgets()
7511 {
7512   int i;
7513
7514   for (i = 0; i < num_editor_gadgets; i++)
7515     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
7516                           level_editor_gadget[i]->y))
7517       UnmapGadget(level_editor_gadget[i]);
7518 }
7519
7520 void UnmapLevelEditorGadgets()
7521 {
7522   int i;
7523
7524   for (i = 0; i < num_editor_gadgets; i++)
7525     UnmapGadget(level_editor_gadget[i]);
7526 }
7527
7528 static void ResetUndoBuffer()
7529 {
7530   undo_buffer_position = -1;
7531   undo_buffer_steps = -1;
7532   redo_buffer_steps = 0;
7533
7534   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
7535
7536   level.changed = FALSE;
7537 }
7538
7539 static void DrawEditModeWindow()
7540 {
7541   ModifyEditorElementList();
7542   RedrawDrawingElements();
7543
7544   if (edit_mode == ED_MODE_INFO)
7545     DrawLevelInfoWindow();
7546   else if (edit_mode == ED_MODE_PROPERTIES)
7547     DrawPropertiesWindow();
7548   else if (edit_mode == ED_MODE_PALETTE)
7549     DrawPaletteWindow();
7550   else  /* edit_mode == ED_MODE_DRAWING */
7551     DrawDrawingWindow();
7552 }
7553
7554 static void ChangeEditModeWindow(int new_edit_mode)
7555 {
7556   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
7557
7558   DrawEditModeWindow();
7559 }
7560
7561 static boolean LevelChanged()
7562 {
7563   boolean field_changed = FALSE;
7564   int x, y;
7565
7566   for (y = 0; y < lev_fieldy; y++)
7567     for (x = 0; x < lev_fieldx; x++)
7568       if (Feld[x][y] != level.field[x][y])
7569         field_changed = TRUE;
7570
7571   return (level.changed || field_changed);
7572 }
7573
7574 static boolean PrepareSavingIntoPersonalLevelSet()
7575 {
7576   static LevelDirTree *last_copied_leveldir = NULL;
7577   static LevelDirTree *last_written_leveldir = NULL;
7578   static int last_copied_level_nr = -1;
7579   static int last_written_level_nr = -1;
7580   LevelDirTree *leveldir_former = leveldir_current;
7581   int level_nr_former = level_nr;
7582   int new_level_nr;
7583
7584   // remember last mod/save so that for current session, we write
7585   // back to the same personal copy, asking only about overwrite.
7586   if (leveldir_current == last_copied_leveldir &&
7587       level_nr == last_copied_level_nr)
7588   {
7589     // "cd" to personal level set dir (as used when writing last copy)
7590     leveldir_current = last_written_leveldir;
7591     level_nr = last_written_level_nr;
7592
7593     return TRUE;
7594   }
7595
7596   if (!Request("This level is read only! "
7597                "Save into personal level set?", REQ_ASK))
7598     return FALSE;
7599
7600   // "cd" to personal level set dir (for writing copy the first time)
7601   leveldir_current =
7602     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
7603
7604   // find unused level number
7605   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
7606   {
7607     static char *level_filename = NULL;
7608
7609     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
7610
7611     if (!fileExists(level_filename))
7612       break;
7613   }
7614
7615   last_copied_leveldir = leveldir_former;
7616   last_copied_level_nr = level_nr_former;
7617
7618   last_written_leveldir = leveldir_current;
7619   last_written_level_nr = level_nr = new_level_nr;
7620
7621   return TRUE;
7622 }
7623
7624 static void ModifyLevelInfoForSavingIntoPersonalLevelSet(char *former_name)
7625 {
7626   static char *filename_levelinfo = NULL, *mod_name = NULL;
7627   FILE *file;
7628
7629   // annotate this copy-and-mod in personal levelinfo.conf
7630   setString(&filename_levelinfo,
7631             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
7632
7633   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
7634   {
7635     fprintf(file, "\n");
7636     fprintf(file, "# level %d was modified from:\n", level_nr);
7637     fprintf(file, "# - previous level set name:    %s\n",
7638             former_name);
7639     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
7640             level.file_info.nr, level.name);
7641     fprintf(file, "# - previous author:            %s\n",
7642             level.author);
7643     fprintf(file, "# - previous save date:         ");
7644
7645     if (level.creation_date.src == DATE_SRC_LEVELFILE)
7646     {
7647       fprintf(file, "%04d-%02d-%02d\n",
7648               level.creation_date.year,
7649               level.creation_date.month,
7650               level.creation_date.day);
7651     }
7652     else
7653     {
7654       fprintf(file, "not recorded\n");
7655     }
7656
7657     fclose(file);
7658   }
7659
7660   if (level_nr > leveldir_current->last_level)
7661     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
7662
7663   // else: allow the save even if annotation failed
7664
7665   // now... spray graffiti on the old level vital statistics
7666   // user can change these; just trying to set a good baseline
7667
7668   // don't truncate names for fear of making offensive or silly:
7669   // long-named original author only recorded in levelinfo.conf.
7670   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
7671   if (!strEqual(level.author, leveldir_current->author))
7672   {
7673     setString(&mod_name, getStringCat3(leveldir_current->author,
7674                                        " after ", level.author));
7675
7676     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7677       setString(&mod_name,
7678                 getStringCat2(leveldir_current->author, " (ed.)"));
7679
7680     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
7681       setString(&mod_name, leveldir_current->author);
7682
7683     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
7684
7685     // less worried about truncation here
7686     setString(&mod_name, getStringCat2("Mod: ", level.name));
7687     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
7688   }
7689 }
7690
7691 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
7692                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
7693 {
7694   int x, y;
7695
7696   for (x = 0; x < lev_fieldx; x++)
7697     for (y = 0; y < lev_fieldy; y++)
7698       dst[x][y] = src[x][y];
7699 }
7700
7701 static int setSelectboxValue(int selectbox_id, int new_value)
7702 {
7703   int new_index_value = 0;
7704   int i;
7705
7706   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
7707     if (selectbox_info[selectbox_id].options[i].value == new_value)
7708       new_index_value = i;
7709
7710   *selectbox_info[selectbox_id].value =
7711     selectbox_info[selectbox_id].options[new_index_value].value;
7712
7713   return new_index_value;
7714 }
7715
7716 static void setSelectboxSpecialActionVariablesIfNeeded()
7717 {
7718   int i;
7719
7720   /* change action mode and arg variables according to action type variable */
7721   for (i = 0; action_arg_options[i].value != -1; i++)
7722   {
7723     if (action_arg_options[i].value == custom_element_change.action_type)
7724     {
7725       int mode = action_arg_options[i].mode;
7726
7727       /* only change if corresponding selectbox has changed */
7728       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
7729           action_arg_modes[mode])
7730         custom_element_change.action_mode = -1;
7731
7732       /* only change if corresponding selectbox has changed */
7733       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
7734           action_arg_options[i].options)
7735         custom_element_change.action_arg = -1;
7736
7737       break;
7738     }
7739   }
7740 }
7741
7742 static void setSelectboxSpecialActionOptions()
7743 {
7744   int i;
7745
7746   /* change action mode and arg selectbox according to action type selectbox */
7747   for (i = 0; action_arg_options[i].value != -1; i++)
7748   {
7749     if (action_arg_options[i].value == custom_element_change.action_type)
7750     {
7751       int mode = action_arg_options[i].mode;
7752
7753       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
7754                                    action_arg_modes[mode]);
7755       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
7756                                  custom_element_change.action_mode);
7757
7758       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
7759                                    action_arg_options[i].options);
7760       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
7761                                  custom_element_change.action_arg);
7762       break;
7763     }
7764   }
7765 }
7766
7767 static void copy_custom_element_settings(int element_from, int element_to)
7768 {
7769   struct ElementInfo *ei_from = &element_info[element_from];
7770   struct ElementInfo *ei_to = &element_info[element_to];
7771
7772   copyElementInfo(ei_from, ei_to);
7773 }
7774
7775 static void replace_custom_element_in_settings(int element_from,
7776                                                int element_to)
7777 {
7778   int i, j, x, y;
7779
7780   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7781   {
7782     struct ElementInfo *ei = &element_info[i];
7783
7784     for (y = 0; y < 3; y++)
7785       for (x = 0; x < 3; x++)
7786         if (ei->content.e[x][y] == element_from)
7787           ei->content.e[x][y] = element_to;
7788
7789     for (j = 0; j < ei->num_change_pages; j++)
7790     {
7791       struct ElementChangeInfo *change = &ei->change_page[j];
7792
7793       if (change->target_element == element_from)
7794         change->target_element = element_to;
7795
7796       if (change->initial_trigger_element == element_from)
7797         change->initial_trigger_element = element_to;
7798
7799       if (change->action_element == element_from)
7800         change->action_element = element_to;
7801
7802       for (y = 0; y < 3; y++)
7803         for (x = 0; x < 3; x++)
7804           if (change->target_content.e[x][y] == element_from)
7805             change->target_content.e[x][y] = element_to;
7806     }
7807
7808     if (ei->group != NULL)                              /* group or internal */
7809       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
7810         if (ei->group->element[j] == element_from)
7811           ei->group->element[j] = element_to;
7812   }
7813 }
7814
7815 static void replace_custom_element_in_playfield(int element_from,
7816                                                 int element_to)
7817 {
7818   int x, y;
7819
7820   for (x = 0; x < lev_fieldx; x++)
7821     for (y = 0; y < lev_fieldy; y++)
7822       if (Feld[x][y] == element_from)
7823         Feld[x][y] = element_to;
7824 }
7825
7826 static boolean CopyCustomElement(int element_old, int element_new,
7827                                  int copy_mode)
7828 {
7829   int copy_mode_orig = copy_mode;
7830
7831   if (copy_mode == GADGET_ID_CUSTOM_COPY)
7832   {
7833     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
7834                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7835     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7836   }
7837   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
7838   {
7839     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
7840                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
7841     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
7842
7843     level.changed = TRUE;
7844   }
7845   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
7846   {
7847     Request("Please choose custom element!", REQ_CONFIRM);
7848
7849     return FALSE;
7850   }
7851   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
7852   {
7853     Request("Please choose group element!", REQ_CONFIRM);
7854
7855     return FALSE;
7856   }
7857   else
7858   {
7859     level.changed = TRUE;
7860   }
7861
7862   /* when modifying custom/group element, ask for copying level template */
7863   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
7864   {
7865     if (!AskToCopyAndModifyLevelTemplate())
7866       return FALSE;
7867   }
7868
7869   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
7870   {
7871     copy_custom_element_settings(element_new, element_old);
7872   }
7873   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
7874   {
7875     copy_custom_element_settings(element_old, element_new);
7876   }
7877   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
7878   {
7879     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
7880     copy_custom_element_settings(element_new, element_old);
7881     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
7882
7883     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
7884     replace_custom_element_in_settings(element_new, element_old);
7885     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
7886
7887     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
7888     replace_custom_element_in_playfield(element_new, element_old);
7889     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
7890   }
7891
7892   UpdateCustomElementGraphicGadgets();
7893   DrawPropertiesWindow();
7894
7895   return TRUE;
7896 }
7897
7898 static void CopyCustomElementPropertiesToEditor(int element)
7899 {
7900   int i;
7901   int current_change_page = element_info[element].current_change_page;
7902
7903   /* dynamically (re)build selectbox for selecting change page */
7904   for (i = 0; i < element_info[element].num_change_pages; i++)
7905   {
7906     sprintf(options_change_page_strings[i], "%d", i + 1);
7907
7908     options_change_page[i].value = i;
7909     options_change_page[i].text = options_change_page_strings[i];
7910   }
7911
7912   options_change_page[i].value = -1;
7913   options_change_page[i].text = NULL;
7914
7915   /* needed here to initialize combined element properties */
7916   InitElementPropertiesEngine(level.game_version);
7917
7918   element_info[element].change =
7919     &element_info[element].change_page[current_change_page];
7920
7921   custom_element = element_info[element];
7922   custom_element_change = *element_info[element].change;
7923
7924   /* needed to initially set selectbox options for special action options */
7925   setSelectboxSpecialActionOptions();
7926
7927   /* needed to initially set selectbox value variables to reliable defaults */
7928   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7929     setSelectboxValue(i, *selectbox_info[i].value);
7930
7931   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
7932     custom_element_properties[i] = HAS_PROPERTY(element, i);
7933
7934   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
7935     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
7936
7937   /* ---------- element settings: configure (custom elements) ------------- */
7938
7939   /* set accessible layer selectbox help value */
7940   custom_element.access_type =
7941     (IS_WALKABLE(element) ? EP_WALKABLE :
7942      IS_PASSABLE(element) ? EP_PASSABLE :
7943      custom_element.access_type);
7944   custom_element.access_layer =
7945     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
7946      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
7947      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
7948      custom_element.access_layer);
7949   custom_element.access_protected =
7950     (IS_PROTECTED(element) ? 1 : 0);
7951   custom_element_properties[EP_ACCESSIBLE] =
7952     (IS_ACCESSIBLE_OVER(element) ||
7953      IS_ACCESSIBLE_INSIDE(element) ||
7954      IS_ACCESSIBLE_UNDER(element));
7955
7956   /* set walk-to-object action selectbox help value */
7957   custom_element.walk_to_action =
7958     (IS_DIGGABLE(element) ? EP_DIGGABLE :
7959      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
7960      IS_DROPPABLE(element) ? EP_DROPPABLE :
7961      IS_THROWABLE(element) ? EP_THROWABLE :
7962      IS_PUSHABLE(element) ? EP_PUSHABLE :
7963      custom_element.walk_to_action);
7964   custom_element_properties[EP_WALK_TO_OBJECT] =
7965     (IS_DIGGABLE(element) ||
7966      IS_COLLECTIBLE_ONLY(element) ||
7967      IS_DROPPABLE(element) ||
7968      IS_THROWABLE(element) ||
7969      IS_PUSHABLE(element));
7970
7971   /* set smash targets selectbox help value */
7972   custom_element.smash_targets =
7973     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
7974      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
7975      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
7976      custom_element.smash_targets);
7977   custom_element_properties[EP_CAN_SMASH] =
7978     (CAN_SMASH_EVERYTHING(element) ||
7979      CAN_SMASH_ENEMIES(element) ||
7980      CAN_SMASH_PLAYER(element));
7981
7982   /* set deadliness selectbox help value */
7983   custom_element.deadliness =
7984     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
7985      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
7986      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
7987      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
7988      custom_element.deadliness);
7989   custom_element_properties[EP_DEADLY] =
7990     (DONT_TOUCH(element) ||
7991      DONT_GET_HIT_BY(element) ||
7992      DONT_COLLIDE_WITH(element) ||
7993      DONT_RUN_INTO(element));
7994
7995   /* ---------- element settings: advanced (custom elements) --------------- */
7996
7997   /* set "change by direct action" selectbox help value */
7998   custom_element_change.direct_action =
7999     (HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
8000      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
8001      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
8002      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
8003      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
8004      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
8005      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
8006      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
8007      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
8008      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
8009      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
8010      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
8011      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
8012      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
8013      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
8014      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
8015      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
8016      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
8017      custom_element_change.direct_action);
8018
8019   /* set "change by other element action" selectbox help value */
8020   custom_element_change.other_action =
8021     (HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
8022      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
8023      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
8024      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
8025      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
8026      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
8027      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
8028      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
8029      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
8030      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
8031      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
8032      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
8033      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
8034      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
8035      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
8036      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
8037      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
8038      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
8039      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
8040      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
8041      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
8042      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
8043      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
8044      custom_element_change.other_action);
8045 }
8046
8047 static void CopyGroupElementPropertiesToEditor(int element)
8048 {
8049   group_element_info = *element_info[element].group;
8050   custom_element = element_info[element];       /* needed for description */
8051 }
8052
8053 static void CopyClassicElementPropertiesToEditor(int element)
8054 {
8055   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8056     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
8057       getMoveIntoAcidProperty(&level, element);
8058
8059   if (MAYBE_DONT_COLLIDE_WITH(element))
8060     custom_element_properties[EP_DONT_COLLIDE_WITH] =
8061       getDontCollideWithProperty(&level, element);
8062 }
8063
8064 static void CopyElementPropertiesToEditor(int element)
8065 {
8066   if (IS_CUSTOM_ELEMENT(element))
8067     CopyCustomElementPropertiesToEditor(element);
8068   else if (IS_GROUP_ELEMENT(element))
8069     CopyGroupElementPropertiesToEditor(element);
8070   else
8071     CopyClassicElementPropertiesToEditor(element);
8072 }
8073
8074 static boolean AskToCopyAndModifyLevelTemplate()
8075 {
8076   if (Request("Copy and modify settings from level template?", REQ_ASK))
8077   {
8078     level.use_custom_template = FALSE;
8079
8080     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
8081                  GDI_CHECKED, FALSE, GDI_END);
8082     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
8083                  GDI_CHECKED, FALSE, GDI_END);
8084
8085     return TRUE;
8086   }
8087   else
8088   {
8089     LoadLevelTemplate(-1);      /* this resets all element modifications ... */
8090
8091     DrawEditModeWindow();       /* ... and copies them to 'custom_element' */
8092
8093     return FALSE;
8094   }
8095 }
8096
8097 static void CopyCustomElementPropertiesToGame(int element)
8098 {
8099   int i;
8100   int access_type_and_layer;
8101
8102   /* mark that this custom element has been modified */
8103   custom_element.modified_settings = TRUE;
8104   level.changed = TRUE;
8105
8106   if (level.use_custom_template)
8107     AskToCopyAndModifyLevelTemplate();
8108
8109   element_info[element] = custom_element;
8110   *element_info[element].change = custom_element_change;
8111
8112   /* ---------- element settings: configure (custom elements) ------------- */
8113
8114   /* set accessible property from checkbox and selectbox */
8115   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
8116   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
8117   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
8118   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
8119   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
8120   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
8121   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
8122                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
8123                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
8124   custom_element_properties[access_type_and_layer] =
8125     custom_element_properties[EP_ACCESSIBLE];
8126   custom_element_properties[EP_PROTECTED] =
8127     (custom_element.access_protected != 0 &&
8128      custom_element_properties[EP_ACCESSIBLE]);
8129
8130   /* set walk-to-object property from checkbox and selectbox */
8131   custom_element_properties[EP_DIGGABLE] = FALSE;
8132   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
8133   custom_element_properties[EP_DROPPABLE] = FALSE;
8134   custom_element_properties[EP_THROWABLE] = FALSE;
8135   custom_element_properties[EP_PUSHABLE] = FALSE;
8136   custom_element_properties[custom_element.walk_to_action] =
8137     custom_element_properties[EP_WALK_TO_OBJECT];
8138
8139   /* set smash property from checkbox and selectbox */
8140   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
8141   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
8142   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
8143   custom_element_properties[custom_element.smash_targets] =
8144     custom_element_properties[EP_CAN_SMASH];
8145
8146   /* set deadliness property from checkbox and selectbox */
8147   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
8148   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
8149   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
8150   custom_element_properties[EP_DONT_TOUCH] = FALSE;
8151   custom_element_properties[custom_element.deadliness] =
8152     custom_element_properties[EP_DEADLY];
8153
8154   /* ---------- element settings: advanced (custom elements) --------------- */
8155
8156   /* set player change event from checkbox and selectbox */
8157   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
8158   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
8159   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
8160   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
8161   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
8162   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
8163   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
8164   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
8165   custom_element_change_events[CE_SWITCHED] = FALSE;
8166   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
8167   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
8168   custom_element_change_events[CE_BLOCKED] = FALSE;
8169   custom_element_change_events[CE_IMPACT] = FALSE;
8170   custom_element_change_events[CE_SMASHED] = FALSE;
8171   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
8172   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
8173   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
8174   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
8175   custom_element_change_events[custom_element_change.direct_action] =
8176     custom_element_change_events[CE_BY_DIRECT_ACTION];
8177
8178   /* set other element action change event from checkbox and selectbox */
8179   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
8180   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
8181   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
8182   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
8183   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
8184   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
8185   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
8186   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
8187   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
8188   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
8189   custom_element_change_events[CE_TOUCHING_X] = FALSE;
8190   custom_element_change_events[CE_HITTING_X] = FALSE;
8191   custom_element_change_events[CE_DIGGING_X] = FALSE;
8192   custom_element_change_events[CE_HIT_BY_X] = FALSE;
8193   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
8194   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
8195   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
8196   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
8197   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
8198   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
8199   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
8200   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
8201   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
8202   custom_element_change_events[custom_element_change.other_action] =
8203     custom_element_change_events[CE_BY_OTHER_ACTION];
8204
8205   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8206     SET_PROPERTY(element, i, custom_element_properties[i]);
8207
8208   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8209     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
8210
8211   /* copy change events also to special level editor variable */
8212   custom_element = element_info[element];
8213   custom_element_change = *element_info[element].change;
8214 }
8215
8216 static void CopyGroupElementPropertiesToGame(int element)
8217 {
8218   /* mark that this group element has been modified */
8219   custom_element.modified_settings = TRUE;
8220   level.changed = TRUE;
8221
8222   if (level.use_custom_template)
8223     AskToCopyAndModifyLevelTemplate();
8224
8225   element_info[element] = custom_element;
8226   *element_info[element].group = group_element_info;
8227 }
8228
8229 static void CopyClassicElementPropertiesToGame(int element)
8230 {
8231   if (ELEM_IS_PLAYER(element) || COULD_MOVE_INTO_ACID(element))
8232     setMoveIntoAcidProperty(&level, element,
8233                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
8234
8235   if (MAYBE_DONT_COLLIDE_WITH(element))
8236     setDontCollideWithProperty(&level, element,
8237                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
8238 }
8239
8240 static void CopyElementPropertiesToGame(int element)
8241 {
8242   if (IS_CUSTOM_ELEMENT(element))
8243     CopyCustomElementPropertiesToGame(element);
8244   else if (IS_GROUP_ELEMENT(element))
8245     CopyGroupElementPropertiesToGame(element);
8246   else
8247     CopyClassicElementPropertiesToGame(element);
8248 }
8249
8250 void CheckElementDescriptions()
8251 {
8252   int i;
8253
8254   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8255     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
8256       Error(ERR_WARN, "no element description file for element '%s'",
8257             EL_NAME(i));
8258 }
8259
8260 static int getMaxEdFieldX(boolean has_scrollbar)
8261 {
8262   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
8263   int sxsize = SXSIZE - scrollbar_width;
8264   int max_ed_fieldx = sxsize / ed_tilesize;
8265
8266   return max_ed_fieldx;
8267 }
8268
8269 static int getMaxEdFieldY(boolean has_scrollbar)
8270 {
8271   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
8272                          INFOTEXT_YSIZE_FULL : 0);
8273   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
8274   int sysize = SYSIZE - scrollbar_height - infotext_height;
8275   int max_ed_fieldy = sysize / ed_tilesize;
8276
8277   return max_ed_fieldy;
8278 }
8279
8280 void InitZoomLevelSettings(int zoom_tilesize)
8281 {
8282   if (zoom_tilesize == -1)
8283   {
8284     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
8285     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
8286
8287     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
8288     {
8289       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
8290       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
8291     }
8292   }
8293
8294   // limit zoom tilesize by upper and lower bound
8295   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
8296
8297   // store zoom tilesize in auto setup file only if it was manually changed
8298   if (zoom_tilesize != -1)
8299     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
8300
8301   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
8302   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
8303 }
8304
8305 static void InitLevelSetInfo()
8306 {
8307   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
8308            "%s", leveldir_current->name);
8309   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
8310            "%s", leveldir_current->author);
8311
8312   levelset_num_levels = leveldir_current->levels;
8313
8314   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
8315 }
8316
8317 static void ChangeEditorToLevelSet(char *levelset_subdir)
8318 {
8319   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
8320
8321   // the previous level set might have used custom artwork
8322   ReloadCustomArtwork(0);
8323
8324   LoadLevelSetup_SeriesInfo();
8325
8326   SaveLevelSetup_LastSeries();
8327   SaveLevelSetup_SeriesInfo();
8328
8329   TapeErase();
8330
8331   LoadLevel(level_nr);
8332   LoadScore(level_nr);
8333
8334   DrawLevelEd();
8335 }
8336
8337 static boolean useEditorDoorAnimation()
8338 {
8339   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
8340   boolean door_1_viewport_unchanged =
8341     (vp_door_1->x      == DX     &&
8342      vp_door_1->y      == DY     &&
8343      vp_door_1->width  == DXSIZE &&
8344      vp_door_1->height == DYSIZE);
8345   boolean door_1_contains_toolbox =
8346     (EX >= DX &&
8347      EY >= DY &&
8348      EX + EXSIZE <= DX + DXSIZE &&
8349      EY + EYSIZE <= DY + DYSIZE);
8350
8351   return (door_1_viewport_unchanged && door_1_contains_toolbox);
8352 }
8353
8354 void DrawEditorDoorContent()
8355 {
8356   /* needed for gadgets drawn on background (like palette scrollbar) */
8357   SetDoorBackgroundImage(IMG_UNDEFINED);
8358
8359   /* copy default editor door content to main double buffer */
8360   BlitBitmap(graphic_info[IMG_BACKGROUND_PALETTE].bitmap, drawto,
8361              graphic_info[IMG_BACKGROUND_PALETTE].src_x,
8362              graphic_info[IMG_BACKGROUND_PALETTE].src_y,
8363              MIN(DXSIZE, graphic_info[IMG_BACKGROUND_PALETTE].width),
8364              MIN(DYSIZE, graphic_info[IMG_BACKGROUND_PALETTE].height),
8365              DX, DY);
8366
8367   /* draw bigger door */
8368   DrawSpecialEditorDoor();
8369
8370   /* draw new control window */
8371   BlitBitmap(graphic_info[IMG_BACKGROUND_TOOLBOX].bitmap, drawto,
8372              graphic_info[IMG_BACKGROUND_TOOLBOX].src_x,
8373              graphic_info[IMG_BACKGROUND_TOOLBOX].src_y,
8374              MIN(EXSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].width),
8375              MIN(EYSIZE, graphic_info[IMG_BACKGROUND_TOOLBOX].height),
8376              EX, EY);
8377
8378   /* draw all toolbox gadgets to editor doors */
8379   MapControlButtons();
8380
8381   /* draw all palette gadgets to editor doors */
8382   ModifyEditorElementList();
8383   RedrawDrawingElements();
8384
8385   /* copy actual editor door content to door double buffer for OpenDoor() */
8386   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
8387 }
8388
8389 void DrawLevelEd()
8390 {
8391   int fade_mask = REDRAW_FIELD;
8392
8393   FadeSoundsAndMusic();
8394
8395   if (CheckIfGlobalBorderOrPlayfieldViewportHasChanged())
8396     fade_mask = REDRAW_ALL;
8397
8398   FadeOut(fade_mask);
8399
8400   /* needed if different viewport properties defined for editor */
8401   ChangeViewportPropertiesIfNeeded();
8402
8403   ClearField();
8404
8405   InitZoomLevelSettings(-1);
8406   InitLevelSetInfo();
8407
8408 #if DEBUG
8409   CheckElementDescriptions();
8410 #endif
8411
8412   if (level_editor_test_game)
8413   {
8414     CopyPlayfield(level.field, Feld);
8415     CopyPlayfield(FieldBackup, level.field);
8416
8417     level_editor_test_game = FALSE;
8418   }
8419   else
8420   {
8421     edit_mode = ED_MODE_DRAWING;
8422     edit_mode_levelinfo = ED_MODE_LEVELINFO_LEVEL;
8423     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
8424
8425     ResetUndoBuffer();
8426
8427     level_xpos = -1;
8428     level_ypos = -1;
8429   }
8430
8431   // redraw_mask |= REDRAW_ALL;
8432
8433   FreeLevelEditorGadgets();
8434   CreateLevelEditorGadgets();
8435
8436   ReinitializeElementList();            /* update dynamic level element list */
8437   ReinitializeElementListButtons();     /* custom element may look different */
8438
8439   InitElementPropertiesGfxElement();
8440
8441   UnmapAllGadgets();
8442
8443   DrawDrawingWindow_PlayfieldOnly();
8444
8445   DrawMaskedBorder(fade_mask);
8446
8447   // use door animation if door 1 viewport is unchanged and contains toolbox
8448   if (useEditorDoorAnimation())
8449   {
8450     FadeIn(fade_mask);
8451
8452     DrawEditorDoorContent();
8453
8454     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
8455   }
8456   else
8457   {
8458     DrawEditorDoorContent();
8459
8460     FadeIn(fade_mask);
8461   }
8462
8463   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
8464 }
8465
8466 static void AdjustDrawingAreaGadgets()
8467 {
8468   int ed_xsize = lev_fieldx + 2;
8469   int ed_ysize = lev_fieldy + 2;
8470   int max_ed_fieldx = MAX_ED_FIELDX;
8471   int max_ed_fieldy = MAX_ED_FIELDY;
8472   boolean horizontal_scrollbar_needed;
8473   boolean vertical_scrollbar_needed;
8474   int x, y, width, height;
8475
8476   if (suppressBorderElement())
8477   {
8478     ed_xsize = max_ed_fieldx;
8479     ed_ysize = max_ed_fieldy;
8480   }
8481
8482   /* check if we need any scrollbars */
8483   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8484   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8485
8486   /* check if we have a smaller editor field because of scrollbars */
8487   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8488   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8489
8490   /* check again if we now need more scrollbars because of less space */
8491   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
8492   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
8493
8494   /* check if editor field gets even smaller after adding new scrollbars */
8495   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
8496   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
8497
8498   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
8499   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
8500
8501   x = SX + ed_fieldx * ed_tilesize;
8502   y = SY + ed_fieldy * ed_tilesize;
8503
8504   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
8505   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
8506
8507   /* adjust drawing area gadget */
8508   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
8509                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
8510                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
8511                GDI_END);
8512
8513   /* adjust horizontal scrollbar gadgets */
8514   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
8515                GDI_Y, y,
8516                GDI_END);
8517   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
8518                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
8519                GDI_Y, y,
8520                GDI_END);
8521   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
8522                GDI_Y, y,
8523                GDI_WIDTH, width,
8524                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
8525                GDI_END);
8526
8527   /* adjust vertical scrollbar gadgets */
8528   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
8529                GDI_X, x,
8530                GDI_END);
8531   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
8532                GDI_X, x,
8533                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
8534                GDI_END);
8535   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
8536                GDI_X, x,
8537                GDI_HEIGHT, height,
8538                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
8539                GDI_END);
8540 }
8541
8542 static void AdjustLevelScrollPosition()
8543 {
8544   if (level_xpos < -1)
8545     level_xpos = -1;
8546   if (level_xpos > lev_fieldx - ed_fieldx + 1)
8547     level_xpos = lev_fieldx - ed_fieldx + 1;
8548   if (lev_fieldx < ed_fieldx - 2)
8549     level_xpos = -1;
8550
8551   if (level_ypos < -1)
8552     level_ypos = -1;
8553   if (level_ypos > lev_fieldy - ed_fieldy + 1)
8554     level_ypos = lev_fieldy - ed_fieldy + 1;
8555   if (lev_fieldy < ed_fieldy - 2)
8556     level_ypos = -1;
8557
8558   if (suppressBorderElement())
8559   {
8560     level_xpos = 0;
8561     level_ypos = 0;
8562   }
8563 }
8564
8565 static void AdjustEditorScrollbar(int id)
8566 {
8567   struct GadgetInfo *gi = level_editor_gadget[id];
8568   int items_max, items_visible, item_position;
8569
8570   if (id == GADGET_ID_SCROLL_HORIZONTAL)
8571   {
8572     items_max = MAX(lev_fieldx + 2, ed_fieldx);
8573     items_visible = ed_fieldx;
8574     item_position = level_xpos + 1;
8575   }
8576   else
8577   {
8578     items_max = MAX(lev_fieldy + 2, ed_fieldy);
8579     items_visible = ed_fieldy;
8580     item_position = level_ypos + 1;
8581   }
8582
8583   if (item_position > items_max - items_visible)
8584     item_position = items_max - items_visible;
8585
8586   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8587                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8588 }
8589
8590 static void AdjustElementListScrollbar()
8591 {
8592   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
8593   int items_max, items_visible, item_position;
8594
8595   /* correct position of element list scrollbar */
8596   if (element_shift < 0)
8597     element_shift = 0;
8598   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
8599     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
8600
8601   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8602   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8603   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8604
8605   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
8606                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8607                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
8608 }
8609
8610 static void ModifyEditorCounterValue(int counter_id, int new_value)
8611 {
8612   int *counter_value = counterbutton_info[counter_id].value;
8613   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8614   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8615
8616   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
8617
8618   if (counter_value != NULL)
8619     *counter_value = gi->textinput.number_value;
8620 }
8621
8622 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
8623 {
8624   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
8625   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8626
8627   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
8628
8629   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8630       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8631   {
8632     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
8633     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
8634
8635     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
8636     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
8637                  GDI_END);
8638   }
8639 }
8640
8641 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
8642 {
8643   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8644   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8645   int new_index_value = setSelectboxValue(selectbox_id, new_value);
8646
8647   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
8648 }
8649
8650 static void ModifyEditorSelectboxOptions(int selectbox_id,
8651                                          struct ValueTextInfo *options)
8652 {
8653   int gadget_id = selectbox_info[selectbox_id].gadget_id;
8654   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8655
8656   selectbox_info[selectbox_id].options = options;
8657
8658   /* set index to zero -- list may be shorter now (correct later, if needed) */
8659   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
8660                GDI_SELECTBOX_OPTIONS, options, GDI_END);
8661 }
8662
8663 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
8664 {
8665   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
8666   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8667
8668   drawingarea_info[drawingarea_id].area_xsize = xsize;
8669   drawingarea_info[drawingarea_id].area_ysize = ysize;
8670
8671   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
8672 }
8673
8674 static void ModifyEditorElementList()
8675 {
8676   int i;
8677
8678   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
8679     return;
8680
8681   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8682   {
8683     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
8684     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8685     struct GadgetDesign *gd = &gi->deco.design;
8686     int element = editor_elements[element_shift + i];
8687     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
8688
8689     UnmapGadget(gi);
8690
8691     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
8692
8693     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
8694
8695     MapGadget(gi);
8696   }
8697 }
8698
8699 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
8700 {
8701   int graphic = el2edimg(element);
8702   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
8703
8704   if (pos->x == -1 &&
8705       pos->y == -1)
8706     return;
8707
8708   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
8709 }
8710
8711 static void ModifyDrawingElementButton(int element, int id)
8712 {
8713   struct GadgetInfo *gi = level_editor_gadget[id];
8714   Bitmap *deco_bitmap;
8715   int deco_x, deco_y;
8716   int tile_size = gi->deco.width;
8717
8718   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
8719
8720   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
8721 }
8722
8723 static void PickDrawingElement(int button, int element)
8724 {
8725   struct
8726   {
8727     int *new_element;
8728     struct XYTileSize *pos;
8729     int id;
8730   } de, drawing_elements[] =
8731   {
8732     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
8733     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
8734     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
8735   };
8736
8737   if (button < 1 || button > 3)
8738     return;
8739
8740   if (IS_MM_WALL(element))
8741     element = map_mm_wall_element(element);
8742
8743   de = drawing_elements[button - 1];
8744
8745   *de.new_element = element;    // update global drawing element variable
8746
8747   DrawDrawingElementGraphic(element, de.pos);
8748   ModifyDrawingElementButton(element, de.id);
8749
8750   redraw_mask |= REDRAW_DOOR_1;
8751 }
8752
8753 static void RedrawDrawingElements()
8754 {
8755   PickDrawingElement(1, new_element1);
8756   PickDrawingElement(2, new_element2);
8757   PickDrawingElement(3, new_element3);
8758 }
8759
8760 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
8761 {
8762   stick_element_properties_window = FALSE;
8763
8764   SetMainBackgroundImage(IMG_UNDEFINED);
8765   ClearField();
8766
8767   UnmapLevelEditorFieldGadgets();
8768
8769   AdjustDrawingAreaGadgets();
8770   AdjustLevelScrollPosition();
8771   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
8772   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
8773
8774   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
8775
8776   MapMainDrawingArea();
8777
8778   if (remap_toolbox_gadgets)
8779   {
8780     UnmapLevelEditorToolboxCustomGadgets();
8781     MapLevelEditorToolboxDrawingGadgets();
8782   }
8783 }
8784
8785 static void DrawDrawingWindow()
8786 {
8787   DrawDrawingWindowExt(TRUE);
8788 }
8789
8790 static void DrawDrawingWindow_PlayfieldOnly()
8791 {
8792   DrawDrawingWindowExt(FALSE);
8793 }
8794
8795 static int getTabulatorBarWidth()
8796 {
8797   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8798   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
8799
8800   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
8801 }
8802
8803 static int getTabulatorBarHeight()
8804 {
8805   return ED_TAB_BAR_HEIGHT;
8806 }
8807
8808 static Pixel getTabulatorBarColor()
8809 {
8810   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8811   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8812   int gd_x = gd->x + gd_gi1->border.width / 2;
8813   int gd_y = gd->y + gd_gi1->height - 1;
8814
8815   return GetPixel(gd->bitmap, gd_x, gd_y);
8816 }
8817
8818 static void DrawLevelInfoTabulatorGadgets()
8819 {
8820   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELINFO_LEVEL];
8821   Pixel tab_color = getTabulatorBarColor();
8822   int id_first = ED_TAB_BUTTON_ID_LEVELINFO_FIRST;
8823   int id_last  = ED_TAB_BUTTON_ID_LEVELINFO_LAST;
8824   int i;
8825
8826   for (i = id_first; i <= id_last; i++)
8827   {
8828     int gadget_id = textbutton_info[i].gadget_id;
8829     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8830     boolean active = (i != edit_mode_levelinfo);
8831
8832     /* draw background line below tabulator button */
8833     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8834
8835     /* draw solid line below inactive tabulator buttons */
8836     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8837       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8838                     ED_GADGET_TINY_DISTANCE, tab_color);
8839
8840     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8841     MapTextbuttonGadget(i);
8842   }
8843
8844   /* draw little border line below tabulator buttons */
8845   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8846     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8847                   ED_GADGET_TINY_DISTANCE,
8848                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8849 }
8850
8851 static void DrawPropertiesTabulatorGadgets()
8852 {
8853   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
8854   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
8855   int gd_x = gd->x + gd_gi1->border.width / 2;
8856   int gd_y = gd->y + gd_gi1->height - 1;
8857   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
8858   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
8859   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
8860   int i;
8861
8862   /* draw two config tabulators for player elements */
8863   if (ELEM_IS_PLAYER(properties_element))
8864     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
8865
8866   /* draw two config and one "change" tabulator for custom elements */
8867   if (IS_CUSTOM_ELEMENT(properties_element))
8868     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
8869
8870   for (i = id_first; i <= id_last; i++)
8871   {
8872     int gadget_id = textbutton_info[i].gadget_id;
8873     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
8874     boolean active = (i != edit_mode_properties);
8875
8876     /* use "config 1" and "config 2" instead of "config" for players and CEs */
8877     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
8878         (ELEM_IS_PLAYER(properties_element) ||
8879          IS_CUSTOM_ELEMENT(properties_element)))
8880       continue;
8881
8882     /* draw background line below tabulator button */
8883     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
8884
8885     /* draw solid line below inactive tabulator buttons */
8886     if (!active && tab_color != BLACK_PIXEL)    /* black => transparent */
8887       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
8888                     ED_GADGET_TINY_DISTANCE, tab_color);
8889
8890     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
8891     MapTextbuttonGadget(i);
8892   }
8893
8894   /* draw little border line below tabulator buttons */
8895   if (tab_color != BLACK_PIXEL)                 /* black => transparent */
8896     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
8897                   ED_GADGET_TINY_DISTANCE,
8898                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
8899 }
8900
8901 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
8902 {
8903   DrawText(SX + xpos, SY + ypos, text, font_nr);
8904 }
8905
8906 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
8907                                            int xpos, int ypos)
8908 {
8909   int font_width = getFontWidth(font_nr);
8910   int font_height = getFontHeight(font_nr);
8911   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
8912   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
8913
8914   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
8915                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
8916                       TRUE, FALSE, FALSE);
8917 }
8918
8919 static void DrawLevelInfoLevel()
8920 {
8921   int i;
8922
8923   /* draw counter gadgets */
8924   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
8925     MapCounterButtons(i);
8926
8927   /* draw checkbutton gadgets */
8928   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
8929     MapCheckbuttonGadget(i);
8930
8931   /* draw selectbox gadgets */
8932   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
8933     MapSelectboxGadget(i);
8934
8935   /* draw text input gadgets */
8936   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
8937     MapTextInputGadget(i);
8938 }
8939
8940 static char *getLevelSubdirFromSaveMode(int save_mode)
8941 {
8942   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
8943     return getNewUserLevelSubdir();
8944
8945   return leveldir_current->subdir;
8946 }
8947
8948 static void DrawLevelInfoLevelSet_DirectoryInfo()
8949 {
8950   char *directory_text = "Level set directory:";
8951   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
8952   int font1_nr = FONT_TEXT_1;
8953   int font2_nr = FONT_TEXT_2;
8954   int font1_height = getFontHeight(font1_nr);
8955   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
8956   int x = ED_LEVEL_SETTINGS_X(0);
8957   int y = ED_LEVEL_SETTINGS_Y(6);
8958
8959   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
8960   PrintInfoText(directory_name, font2_nr, x, y);
8961 }
8962
8963 static void DrawLevelInfoLevelSet()
8964 {
8965   int i;
8966
8967   /* draw counter gadgets */
8968   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
8969     MapCounterButtons(i);
8970
8971   /* draw selectbox gadgets */
8972   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
8973     MapSelectboxGadget(i);
8974
8975   /* draw text input gadgets */
8976   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
8977     MapTextInputGadget(i);
8978
8979   /* draw textbutton gadgets */
8980   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
8981
8982   /* draw info text */
8983   DrawLevelInfoLevelSet_DirectoryInfo();
8984 }
8985
8986 static void DrawLevelInfoEditor()
8987 {
8988   int i;
8989
8990   /* draw counter gadgets */
8991   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
8992     MapCounterButtons(i);
8993
8994   /* draw checkbutton gadgets */
8995   for (i=ED_CHECKBUTTON_ID_EDITOR_FIRST; i<= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
8996     MapCheckbuttonGadget(i);
8997
8998   /* draw radiobutton gadgets */
8999   for (i=ED_RADIOBUTTON_ID_EDITOR_FIRST; i<= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
9000     MapRadiobuttonGadget(i);
9001
9002   /* draw drawing area */
9003   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
9004
9005   /* draw textbutton gadgets */
9006   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
9007 }
9008
9009 static void DrawLevelInfoWindow()
9010 {
9011   char *text = "Global Settings";
9012   int font_nr = FONT_TITLE_1;
9013   struct MenuPosInfo *pos = &editor.settings.headline;
9014   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
9015   int sy = SY + pos->y;
9016
9017   stick_element_properties_window = FALSE;
9018
9019   SetAutomaticNumberOfGemsNeeded();
9020
9021   UnmapLevelEditorFieldGadgets();
9022
9023   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
9024   ClearField();
9025
9026   DrawText(sx, sy, text, font_nr);
9027
9028   DrawLevelInfoTabulatorGadgets();
9029
9030   if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVEL)
9031     DrawLevelInfoLevel();
9032   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_LEVELSET)
9033     DrawLevelInfoLevelSet();
9034   else if (edit_mode_levelinfo == ED_MODE_LEVELINFO_EDITOR)
9035     DrawLevelInfoEditor();
9036 }
9037
9038 static void DrawCustomContentArea()
9039 {
9040   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
9041   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9042   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
9043   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
9044   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
9045   int xoffset = ED_GADGET_SPACE_DISTANCE;
9046
9047   /* add distance for potential left text (without drawing area border) */
9048   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
9049
9050   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9051
9052   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
9053 }
9054
9055 static void DrawCustomChangeContentArea()
9056 {
9057   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
9058   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
9059   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
9060   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
9061   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
9062   int xoffset = ED_GADGET_SPACE_DISTANCE;
9063
9064   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
9065
9066   MapDrawingArea(id);
9067 }
9068
9069 static void RemoveElementContentArea(int id, int font_height)
9070 {
9071   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9072
9073   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
9074                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
9075                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9076                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
9077                  ED_GADGET_TEXT_DISTANCE + font_height);
9078 }
9079
9080 static void DrawYamYamContentAreas()
9081 {
9082   int font_nr = FONT_TEXT_1;
9083   int font_height = getFontHeight(font_nr);
9084   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9085   int yoffset = (tilesize - font_height) / 2;
9086   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
9087   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
9088   int i;
9089
9090   /* display counter to choose number of element content areas */
9091   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
9092
9093   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9094   {
9095     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
9096
9097     if (i < level.num_yamyam_contents)
9098     {
9099       MapDrawingArea(id);
9100     }
9101     else
9102     {
9103       UnmapDrawingArea(id);
9104
9105       /* delete content areas in case of reducing number of them */
9106       RemoveElementContentArea(id, font_height);
9107     }
9108   }
9109
9110   DrawText(x, y + 0 * tilesize, "content", font_nr);
9111   DrawText(x, y + 1 * tilesize, "when",    font_nr);
9112   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
9113 }
9114
9115 static void DrawMagicBallContentAreas()
9116 {
9117   int font_nr = FONT_TEXT_1;
9118   int font_height = getFontHeight(font_nr);
9119   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
9120   int yoffset = (tilesize - font_height) / 2;
9121   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
9122   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
9123   int i;
9124
9125   /* display counter to choose number of element content areas */
9126   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
9127
9128   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
9129   {
9130     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
9131
9132     if (i < level.num_ball_contents)
9133     {
9134       MapDrawingArea(id);
9135     }
9136     else
9137     {
9138       UnmapDrawingArea(id);
9139
9140       /* delete content areas in case of reducing number of them */
9141       RemoveElementContentArea(id, font_height);
9142     }
9143   }
9144
9145   DrawText(x, y + 0 * tilesize, "generated", font_nr);
9146   DrawText(x, y + 1 * tilesize, "when",      font_nr);
9147   DrawText(x, y + 2 * tilesize, "active",    font_nr);
9148 }
9149
9150 static void DrawAndroidElementArea(int element)
9151 {
9152   int id = ED_DRAWING_ID_ANDROID_CONTENT;
9153   int num_elements = level.num_android_clone_elements;
9154   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9155   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9156   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9157   int xsize = MAX_ANDROID_ELEMENTS;
9158   int ysize = 1;
9159
9160   /* display counter to choose number of element areas */
9161   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
9162
9163   if (drawingarea_info[id].text_left != NULL)
9164     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9165
9166   UnmapDrawingArea(id);
9167
9168   ModifyEditorDrawingArea(id, num_elements, 1);
9169
9170   /* delete content areas in case of reducing number of them */
9171   DrawBackground(sx, sy,
9172                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9173                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9174
9175   MapDrawingArea(id);
9176 }
9177
9178 static void DrawGroupElementArea(int element)
9179 {
9180   int id = ED_DRAWING_ID_GROUP_CONTENT;
9181   int num_elements = group_element_info.num_elements;
9182   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9183   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9184   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9185   int xsize = MAX_ELEMENTS_IN_GROUP;
9186   int ysize = 1;
9187
9188   if (drawingarea_info[id].text_left != NULL)
9189     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9190
9191   UnmapDrawingArea(id);
9192
9193   ModifyEditorDrawingArea(id, num_elements, 1);
9194
9195   /* delete content areas in case of reducing number of them */
9196   DrawBackground(sx, sy,
9197                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9198                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9199
9200   MapDrawingArea(id);
9201 }
9202
9203 static void DrawPlayerInitialInventoryArea(int element)
9204 {
9205   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
9206   int player_nr = GET_PLAYER_NR(element);
9207   int num_elements = level.initial_inventory_size[player_nr];
9208   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
9209   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
9210   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
9211   int xsize = MAX_INITIAL_INVENTORY_SIZE;
9212   int ysize = 1;
9213
9214   /* determine horizontal position to the right of specified gadget */
9215   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
9216     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
9217           ED_DRAWINGAREA_TEXT_DISTANCE);
9218
9219   /* determine horizontal offset for leading text */
9220   if (drawingarea_info[id].text_left != NULL)
9221     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
9222
9223   UnmapDrawingArea(id);
9224
9225   ModifyEditorDrawingArea(id, num_elements, 1);
9226
9227   /* delete content areas in case of reducing number of them */
9228   DrawBackground(sx, sy,
9229                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
9230                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
9231
9232   MapDrawingArea(id);
9233 }
9234
9235 static void DrawEnvelopeTextArea(int envelope_nr)
9236 {
9237   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
9238   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9239
9240   UnmapGadget(gi);
9241   DrawBackground(gi->x, gi->y, gi->width, gi->height);
9242
9243   if (envelope_nr != -1)
9244     textarea_info[id].value = level.envelope[envelope_nr].text;
9245
9246   ModifyGadget(gi, GDI_AREA_SIZE,
9247                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
9248                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
9249                GDI_END);
9250
9251   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
9252 }
9253
9254 static void DrawPropertiesInfo()
9255 {
9256   static struct
9257   {
9258     int value;
9259     char *text;
9260   }
9261   properties[] =
9262   {
9263     /* configurable properties */
9264
9265     { EP_WALKABLE_OVER,         "- player can walk over it"             },
9266     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
9267     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
9268     { EP_PASSABLE_OVER,         "- player can pass over it"             },
9269     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
9270     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
9271     { EP_PROTECTED,             "- player is protected by it"           },
9272
9273     { EP_DIGGABLE,              "- can be digged away"                  },
9274     { EP_COLLECTIBLE,           "- can be collected"                    },
9275     { EP_DROPPABLE,             "- can be dropped after collecting"     },
9276     { EP_THROWABLE,             "- can be thrown after collecting"      },
9277     { EP_PUSHABLE,              "- can be pushed"                       },
9278
9279     { EP_CAN_FALL,              "- can fall"                            },
9280     { EP_CAN_MOVE,              "- can move"                            },
9281
9282     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
9283 #if 0
9284     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
9285 #endif
9286     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
9287
9288     { EP_SLIPPERY,              "- slippery for falling elements"       },
9289     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
9290
9291     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
9292     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
9293     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
9294     { EP_DONT_TOUCH,            "- deadly when touching"                },
9295
9296     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
9297
9298     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
9299     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
9300     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
9301
9302     { EP_CAN_CHANGE,            "- can change to other element"         },
9303
9304     /* pre-defined properties */
9305     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
9306     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
9307     { EP_SWITCHABLE,            "- can be switched"                     },
9308 #if 0
9309     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
9310 #endif
9311
9312     { -1,                       NULL                                    }
9313   };
9314   char *filename = getElementDescriptionFilename(properties_element);
9315   char *percentage_text = "In this level: ";
9316   char *properties_text = "Standard properties: ";
9317   char *description_text = "Description:";
9318   char *no_description_text = "No description available.";
9319   char *none_text = "None";
9320   float percentage;
9321   int num_elements_in_level;
9322   int num_standard_properties = 0;
9323   int font1_nr = FONT_TEXT_1;
9324   int font2_nr = FONT_TEXT_2;
9325   int font1_width = getFontWidth(font1_nr);
9326   int font1_height = getFontHeight(font1_nr);
9327   int font2_height = getFontHeight(font2_nr);
9328   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
9329   int font2_yoffset = (font1_height - font2_height) / 2;
9330   int percentage_text_len = strlen(percentage_text) * font1_width;
9331   int properties_text_len = strlen(properties_text) * font1_width;
9332   int xpos = ED_ELEMENT_SETTINGS_X(0);
9333   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9334   int i, x, y;
9335
9336   if (setup.editor.show_element_token)
9337   {
9338     int font3_nr = FONT_TEXT_3;
9339     int font3_height = getFontHeight(font3_nr);
9340
9341     DrawTextF(xpos, ypos, font3_nr,
9342               "[%s]", element_info[properties_element].token_name);
9343
9344     ypos += 2 * font3_height;
9345   }
9346
9347   /* ----- print number of elements / percentage of this element in level */
9348
9349   num_elements_in_level = 0;
9350   for (y = 0; y < lev_fieldy; y++)
9351     for (x = 0; x < lev_fieldx; x++)
9352       if (Feld[x][y] == properties_element)
9353         num_elements_in_level++;
9354   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
9355
9356   DrawTextS(xpos, ypos, font1_nr, percentage_text);
9357
9358   if (num_elements_in_level > 0)
9359     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9360               "%d (%.2f %%)", num_elements_in_level, percentage);
9361   else
9362     DrawTextF(xpos + percentage_text_len, ypos + font2_yoffset, font2_nr,
9363               none_text);
9364
9365   ypos += 2 * MAX(font1_height, font2_height);
9366
9367   /* ----- print standard properties of this element */
9368
9369   DrawTextS(xpos, ypos, font1_nr, properties_text);
9370
9371   ypos += line1_height;
9372
9373   for (i = 0; properties[i].value != -1; i++)
9374   {
9375     if (!HAS_PROPERTY(properties_element, properties[i].value))
9376       continue;
9377
9378     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
9379
9380     ypos += font2_height;
9381
9382     num_standard_properties++;
9383   }
9384
9385   if (num_standard_properties == 0)
9386   {
9387     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
9388               font2_nr, none_text);
9389
9390     ypos -= (line1_height - font1_height);
9391   }
9392
9393   ypos += MAX(font1_height, font2_height);
9394
9395   /* ----- print special description of this element */
9396
9397   PrintInfoText(description_text, font1_nr, xpos, ypos);
9398
9399   ypos += line1_height;
9400
9401   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
9402     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
9403 }
9404
9405 #define TEXT_COLLECTING         "Score for collecting"
9406 #define TEXT_SMASHING           "Score for smashing"
9407 #define TEXT_SLURPING           "Score for slurping robot"
9408 #define TEXT_CRACKING           "Score for cracking"
9409 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
9410 #define TEXT_DURATION           "Duration when activated"
9411 #define TEXT_DELAY_ON           "Delay before activating"
9412 #define TEXT_DELAY_OFF          "Delay before deactivating"
9413 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
9414 #define TEXT_DELAY_MOVING       "Delay before moving"
9415 #define TEXT_BALL_DELAY         "Element generation delay"
9416 #define TEXT_MOVE_SPEED         "Speed of android moving"
9417 #define TEXT_CLONE_SPEED        "Speed of android cloning"
9418 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
9419 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
9420 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
9421 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
9422 #define TEXT_TIME_BONUS         "Extra time to solve level"
9423
9424 static struct
9425 {
9426   int element;
9427   int *value;
9428   char *text;
9429 } elements_with_counter[] =
9430 {
9431   { EL_EMERALD,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9432   { EL_BD_DIAMOND,      &level.score[SC_EMERALD],       TEXT_COLLECTING },
9433   { EL_EMERALD_YELLOW,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9434   { EL_EMERALD_RED,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9435   { EL_EMERALD_PURPLE,  &level.score[SC_EMERALD],       TEXT_COLLECTING },
9436   { EL_SP_INFOTRON,     &level.score[SC_EMERALD],       TEXT_COLLECTING },
9437   { EL_DIAMOND,         &level.score[SC_DIAMOND],       TEXT_COLLECTING },
9438   { EL_CRYSTAL,         &level.score[SC_CRYSTAL],       TEXT_COLLECTING },
9439   { EL_PEARL,           &level.score[SC_PEARL],         TEXT_COLLECTING },
9440   { EL_BUG,             &level.score[SC_BUG],           TEXT_SMASHING   },
9441   { EL_BUG_RIGHT,       &level.score[SC_BUG],           TEXT_SMASHING   },
9442   { EL_BUG_UP,          &level.score[SC_BUG],           TEXT_SMASHING   },
9443   { EL_BUG_LEFT,        &level.score[SC_BUG],           TEXT_SMASHING   },
9444   { EL_BUG_DOWN,        &level.score[SC_BUG],           TEXT_SMASHING   },
9445   { EL_BD_BUTTERFLY,    &level.score[SC_BUG],           TEXT_SMASHING   },
9446   { EL_BD_BUTTERFLY_RIGHT,&level.score[SC_BUG],         TEXT_SMASHING   },
9447   { EL_BD_BUTTERFLY_UP,   &level.score[SC_BUG],         TEXT_SMASHING   },
9448   { EL_BD_BUTTERFLY_LEFT, &level.score[SC_BUG],         TEXT_SMASHING   },
9449   { EL_BD_BUTTERFLY_DOWN, &level.score[SC_BUG],         TEXT_SMASHING   },
9450   { EL_SP_ELECTRON,     &level.score[SC_BUG],           TEXT_SMASHING   },
9451   { EL_SPACESHIP,       &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9452   { EL_SPACESHIP_RIGHT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9453   { EL_SPACESHIP_UP,    &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9454   { EL_SPACESHIP_LEFT,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9455   { EL_SPACESHIP_DOWN,  &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9456   { EL_BD_FIREFLY,      &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9457   { EL_BD_FIREFLY_RIGHT,&level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9458   { EL_BD_FIREFLY_UP,   &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9459   { EL_BD_FIREFLY_LEFT, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9460   { EL_BD_FIREFLY_DOWN, &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9461   { EL_SP_SNIKSNAK,     &level.score[SC_SPACESHIP],     TEXT_SMASHING   },
9462   { EL_YAMYAM,          &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9463   { EL_YAMYAM_LEFT,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9464   { EL_YAMYAM_RIGHT,    &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9465   { EL_YAMYAM_UP,       &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9466   { EL_YAMYAM_DOWN,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9467   { EL_DARK_YAMYAM,     &level.score[SC_YAMYAM],        TEXT_SMASHING   },
9468   { EL_ROBOT,           &level.score[SC_ROBOT],         TEXT_SMASHING   },
9469   { EL_PACMAN,          &level.score[SC_PACMAN],        TEXT_SMASHING   },
9470   { EL_PACMAN_RIGHT,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9471   { EL_PACMAN_UP,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9472   { EL_PACMAN_LEFT,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9473   { EL_PACMAN_DOWN,     &level.score[SC_PACMAN],        TEXT_SMASHING   },
9474   { EL_NUT,             &level.score[SC_NUT],           TEXT_CRACKING   },
9475   { EL_DYNAMITE,        &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9476   { EL_EM_DYNAMITE,     &level.score[SC_DYNAMITE],      TEXT_COLLECTING },
9477   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],TEXT_COLLECTING },
9478   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9479   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],TEXT_COLLECTING },
9480   { EL_SHIELD_NORMAL,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9481   { EL_SHIELD_DEADLY,   &level.score[SC_SHIELD],        TEXT_COLLECTING },
9482   { EL_EXTRA_TIME,      &level.extra_time_score,        TEXT_COLLECTING },
9483   { EL_KEY_1,           &level.score[SC_KEY],           TEXT_COLLECTING },
9484   { EL_KEY_2,           &level.score[SC_KEY],           TEXT_COLLECTING },
9485   { EL_KEY_3,           &level.score[SC_KEY],           TEXT_COLLECTING },
9486   { EL_KEY_4,           &level.score[SC_KEY],           TEXT_COLLECTING },
9487   { EL_EM_KEY_1,        &level.score[SC_KEY],           TEXT_COLLECTING },
9488   { EL_EM_KEY_2,        &level.score[SC_KEY],           TEXT_COLLECTING },
9489   { EL_EM_KEY_3,        &level.score[SC_KEY],           TEXT_COLLECTING },
9490   { EL_EM_KEY_4,        &level.score[SC_KEY],           TEXT_COLLECTING },
9491   { EL_EMC_KEY_5,       &level.score[SC_KEY],           TEXT_COLLECTING },
9492   { EL_EMC_KEY_6,       &level.score[SC_KEY],           TEXT_COLLECTING },
9493   { EL_EMC_KEY_7,       &level.score[SC_KEY],           TEXT_COLLECTING },
9494   { EL_EMC_KEY_8,       &level.score[SC_KEY],           TEXT_COLLECTING },
9495   { EL_DC_KEY_WHITE,    &level.score[SC_KEY],           TEXT_COLLECTING },
9496   { EL_MM_KETTLE,       &level.score[SC_EMERALD],       TEXT_COLLECTING },
9497   { EL_DF_CELL,         &level.score[SC_EMERALD],       TEXT_COLLECTING },
9498   { EL_MM_KEY,          &level.score[SC_KEY],           TEXT_COLLECTING },
9499   { EL_MM_LIGHTBALL,    &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING },
9500   { EL_MM_PACMAN,       &level.score[SC_PACMAN],        TEXT_SMASHING   },
9501   { EL_MM_PACMAN_RIGHT, &level.score[SC_PACMAN],        TEXT_SMASHING   },
9502   { EL_MM_PACMAN_UP,    &level.score[SC_PACMAN],        TEXT_SMASHING   },
9503   { EL_MM_PACMAN_LEFT,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9504   { EL_MM_PACMAN_DOWN,  &level.score[SC_PACMAN],        TEXT_SMASHING   },
9505   { EL_AMOEBA_WET,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9506   { EL_AMOEBA_DRY,      &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9507   { EL_AMOEBA_FULL,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9508   { EL_BD_AMOEBA,       &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9509   { EL_EMC_DRIPPER,     &level.amoeba_speed,            TEXT_AMOEBA_SPEED },
9510   { EL_MAGIC_WALL,      &level.time_magic_wall,         TEXT_DURATION   },
9511   { EL_BD_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9512   { EL_DC_MAGIC_WALL,   &level.time_magic_wall,         TEXT_DURATION   },
9513   { EL_ROBOT_WHEEL,     &level.time_wheel,              TEXT_DURATION   },
9514
9515   { EL_TIMEGATE_SWITCH,   &level.time_timegate,         TEXT_DURATION   },
9516   { EL_DC_TIMEGATE_SWITCH,&level.time_timegate,         TEXT_DURATION   },
9517   { EL_LIGHT_SWITCH,    &level.time_light,              TEXT_DURATION   },
9518   { EL_LIGHT_SWITCH_ACTIVE, &level.time_light,          TEXT_DURATION   },
9519   { EL_SHIELD_NORMAL,   &level.shield_normal_time,      TEXT_DURATION   },
9520   { EL_SHIELD_DEADLY,   &level.shield_deadly_time,      TEXT_DURATION   },
9521   { EL_EXTRA_TIME,      &level.extra_time,              TEXT_TIME_BONUS },
9522   { EL_TIME_ORB_FULL,   &level.time_orb_time,           TEXT_TIME_BONUS },
9523   { EL_GAME_OF_LIFE,    &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1 },
9524   { EL_GAME_OF_LIFE,    &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2 },
9525   { EL_GAME_OF_LIFE,    &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3 },
9526   { EL_GAME_OF_LIFE,    &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4 },
9527   { EL_BIOMAZE,         &level.biomaze[0],              TEXT_GAME_OF_LIFE_1 },
9528   { EL_BIOMAZE,         &level.biomaze[1],              TEXT_GAME_OF_LIFE_2 },
9529   { EL_BIOMAZE,         &level.biomaze[2],              TEXT_GAME_OF_LIFE_3 },
9530   { EL_BIOMAZE,         &level.biomaze[3],              TEXT_GAME_OF_LIFE_4 },
9531
9532   { EL_EMC_ANDROID,     &level.android_move_time,       TEXT_MOVE_SPEED },
9533   { EL_EMC_ANDROID,     &level.android_clone_time,      TEXT_CLONE_SPEED },
9534   { EL_EMC_MAGIC_BALL,  &level.ball_time,               TEXT_BALL_DELAY },
9535   { EL_EMC_LENSES,      &level.lenses_score,            TEXT_COLLECTING },
9536   { EL_EMC_MAGNIFIER,   &level.magnify_score,           TEXT_COLLECTING },
9537   { EL_SPRING,          &level.slurp_score,             TEXT_SLURPING   },
9538   { EL_EMC_LENSES,      &level.lenses_time,             TEXT_DURATION   },
9539   { EL_EMC_MAGNIFIER,   &level.magnify_time,            TEXT_DURATION   },
9540   { EL_MM_FUSE_ACTIVE,  &level.mm_time_fuse,            TEXT_DELAY_OFF  },
9541   { EL_MM_BOMB,         &level.mm_time_bomb,            TEXT_DELAY_EXPLODING },
9542   { EL_MM_GRAY_BALL,    &level.mm_time_ball,            TEXT_DELAY_ON   },
9543   { EL_MM_STEEL_BLOCK,  &level.mm_time_block,           TEXT_DELAY_MOVING },
9544   { EL_MM_WOODEN_BLOCK, &level.mm_time_block,           TEXT_DELAY_MOVING },
9545
9546   { -1,                 NULL,                           NULL            }
9547 };
9548
9549 static boolean checkPropertiesConfig(int element)
9550 {
9551   int i;
9552
9553   if (IS_GEM(element) ||
9554       IS_CUSTOM_ELEMENT(element) ||
9555       IS_GROUP_ELEMENT(element) ||
9556       IS_BALLOON_ELEMENT(element) ||
9557       IS_ENVELOPE(element) ||
9558       IS_MM_MCDUFFIN(element) ||
9559       IS_DF_LASER(element) ||
9560       ELEM_IS_PLAYER(element) ||
9561       HAS_EDITOR_CONTENT(element) ||
9562       CAN_GROW(element) ||
9563       COULD_MOVE_INTO_ACID(element) ||
9564       MAYBE_DONT_COLLIDE_WITH(element) ||
9565       element == EL_SOKOBAN_OBJECT ||
9566       element == EL_SOKOBAN_FIELD_EMPTY ||
9567       element == EL_SOKOBAN_FIELD_FULL)
9568     return TRUE;
9569   else
9570     for (i = 0; elements_with_counter[i].element != -1; i++)
9571       if (elements_with_counter[i].element == element)
9572         return TRUE;
9573
9574   return FALSE;
9575 }
9576
9577 static void SetAutomaticNumberOfGemsNeeded()
9578 {
9579   int x, y;
9580
9581   if (!level.auto_count_gems)
9582     return;
9583
9584   level.gems_needed = 0;
9585
9586   for (x = 0; x < lev_fieldx; x++)
9587   {
9588     for (y = 0; y < lev_fieldy; y++)
9589     {
9590       int element = Feld[x][y];
9591
9592       if (IS_GEM(element) ||
9593           element == EL_MM_KETTLE ||
9594           element == EL_DF_CELL)
9595         level.gems_needed++;
9596     }
9597   }
9598
9599   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
9600 }
9601
9602 static void DrawPropertiesConfig()
9603 {
9604   boolean draw_footer_line = FALSE;
9605   int max_num_element_counters = 4;
9606   int num_element_counters = 0;
9607   int i;
9608
9609   if (!checkPropertiesConfig(properties_element))
9610   {
9611     int xpos = ED_ELEMENT_SETTINGS_X(0);
9612     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
9613
9614     PrintInfoText("No configuration options available.",
9615                   FONT_TEXT_1, xpos, ypos);
9616
9617     return;
9618   }
9619
9620   /* check if there are elements where a value can be chosen for */
9621   for (i = 0; elements_with_counter[i].element != -1; i++)
9622   {
9623     if (elements_with_counter[i].element == properties_element)
9624     {
9625       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
9626
9627       counterbutton_info[counter_id].y =
9628         ED_ELEMENT_SETTINGS_YPOS(
9629                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
9630                 (CAN_GROW(properties_element)                ? 1 : 0) +
9631                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
9632                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
9633                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
9634                 num_element_counters);
9635
9636       counterbutton_info[counter_id].value = elements_with_counter[i].value;
9637       counterbutton_info[counter_id].text_right= elements_with_counter[i].text;
9638
9639       if (properties_element == EL_GAME_OF_LIFE ||
9640           properties_element == EL_BIOMAZE)
9641       {
9642         counterbutton_info[counter_id].min_value = 0;   /* min neighbours */
9643         counterbutton_info[counter_id].max_value = 8;   /* max neighbours */
9644       }
9645       else
9646       {
9647         /* !!! CHANGE THIS FOR CERTAIN ELEMENTS !!! */
9648         counterbutton_info[counter_id].min_value = MIN_SCORE;
9649         counterbutton_info[counter_id].max_value = MAX_SCORE;
9650       }
9651
9652       MapCounterButtons(counter_id);
9653
9654       num_element_counters++;
9655       if (num_element_counters >= max_num_element_counters)
9656         break;
9657     }
9658   }
9659
9660   if (HAS_EDITOR_CONTENT(properties_element))
9661   {
9662     /* draw stickybutton gadget */
9663     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9664
9665     if (IS_AMOEBOID(properties_element))
9666       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
9667     else if (properties_element == EL_YAMYAM ||
9668              properties_element == EL_YAMYAM_LEFT ||
9669              properties_element == EL_YAMYAM_RIGHT ||
9670              properties_element == EL_YAMYAM_UP ||
9671              properties_element == EL_YAMYAM_DOWN)
9672       DrawYamYamContentAreas();
9673     else if (properties_element == EL_EMC_MAGIC_BALL)
9674     {
9675       DrawMagicBallContentAreas();
9676
9677       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
9678       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_STATE);
9679     }
9680     else if (properties_element == EL_EMC_ANDROID)
9681       DrawAndroidElementArea(properties_element);
9682   }
9683
9684   if (ELEM_IS_PLAYER(properties_element))
9685   {
9686     int player_nr = GET_PLAYER_NR(properties_element);
9687
9688     /* these properties can be set for every player individually */
9689
9690     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9691     {
9692       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
9693         &level.start_element[player_nr];
9694       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
9695         &level.artwork_element[player_nr];
9696       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
9697         &level.explosion_element[player_nr];
9698
9699       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
9700         &level.use_start_element[player_nr];
9701       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
9702         &level.use_artwork_element[player_nr];
9703       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
9704         &level.use_explosion_element[player_nr];
9705       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
9706         &level.initial_player_gravity[player_nr];
9707
9708       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
9709         &level.initial_player_stepsize[player_nr];
9710
9711       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
9712       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
9713                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
9714                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
9715       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
9716       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
9717       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
9718       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
9719       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
9720       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
9721       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
9722       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
9723       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
9724       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
9725
9726       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
9727       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
9728       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
9729
9730       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
9731     }
9732     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9733     {
9734       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
9735         &level.initial_inventory_content[player_nr][0];
9736
9737       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
9738         &level.initial_inventory_size[player_nr];
9739
9740       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
9741         &level.use_initial_inventory[player_nr];
9742
9743       /* draw checkbutton gadgets */
9744       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
9745
9746       /* draw counter gadgets */
9747       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
9748
9749       /* draw drawing area gadgets */
9750       DrawPlayerInitialInventoryArea(properties_element);
9751     }
9752   }
9753
9754   if (IS_GEM(properties_element))
9755     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
9756
9757   if (properties_element == EL_EM_DYNAMITE)
9758     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
9759
9760   if (COULD_MOVE_INTO_ACID(properties_element) &&
9761       !ELEM_IS_PLAYER(properties_element) &&
9762       (!IS_CUSTOM_ELEMENT(properties_element) ||
9763        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
9764   {
9765     /* set position for checkbutton for "can move into acid" */
9766     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
9767       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
9768     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
9769       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 6 :
9770                                IS_BALLOON_ELEMENT(properties_element) ||
9771                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9772
9773     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
9774   }
9775
9776   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
9777     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
9778
9779   if (properties_element == EL_SPRING)
9780     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
9781
9782   if (properties_element == EL_TIME_ORB_FULL)
9783     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
9784
9785   if (CAN_GROW(properties_element))
9786   {
9787     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
9788       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
9789
9790     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
9791   }
9792
9793   if (properties_element == EL_SOKOBAN_OBJECT ||
9794       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
9795       properties_element == EL_SOKOBAN_FIELD_FULL)
9796     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
9797
9798   if (IS_BALLOON_ELEMENT(properties_element))
9799     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
9800
9801   if (IS_ENVELOPE(properties_element))
9802   {
9803     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
9804     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
9805     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
9806     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
9807     int envelope_nr = properties_element - EL_ENVELOPE_1;
9808
9809     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
9810     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
9811
9812     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
9813     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
9814
9815     /* display counter to choose size of envelope text area */
9816     MapCounterButtons(counter1_id);
9817     MapCounterButtons(counter2_id);
9818
9819     /* display checkbuttons to choose auto-wrap and alignment properties */
9820     MapCheckbuttonGadget(button1_id);
9821     MapCheckbuttonGadget(button2_id);
9822
9823     DrawEnvelopeTextArea(envelope_nr);
9824   }
9825
9826   if (IS_MM_MCDUFFIN(properties_element))
9827   {
9828     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
9829     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
9830     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
9831   }
9832
9833   if (IS_DF_LASER(properties_element))
9834   {
9835     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
9836     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
9837     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
9838   }
9839
9840   if (IS_CUSTOM_ELEMENT(properties_element))
9841   {
9842     /* draw stickybutton gadget */
9843     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9844
9845     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
9846     {
9847       /* draw checkbutton gadgets */
9848       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
9849            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
9850         MapCheckbuttonGadget(i);
9851
9852       /* draw counter gadgets */
9853       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
9854            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
9855         MapCounterButtons(i);
9856
9857       /* draw selectbox gadgets */
9858       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
9859            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
9860         MapSelectboxGadget(i);
9861
9862       /* draw textbutton gadgets */
9863       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9864
9865       /* draw text input gadgets */
9866       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9867
9868       /* draw drawing area gadgets */
9869       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9870
9871       draw_footer_line = TRUE;
9872     }
9873     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
9874     {
9875       /* draw checkbutton gadgets */
9876       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
9877            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
9878         MapCheckbuttonGadget(i);
9879
9880       /* draw counter gadgets */
9881       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
9882            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
9883         MapCounterButtons(i);
9884
9885       /* draw selectbox gadgets */
9886       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
9887            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
9888         MapSelectboxGadget(i);
9889
9890       /* draw drawing area gadgets */
9891       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
9892       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
9893       DrawCustomContentArea();
9894     }
9895   }
9896   else if (IS_GROUP_ELEMENT(properties_element))
9897   {
9898     /* draw stickybutton gadget */
9899     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9900
9901     /* draw checkbutton gadgets */
9902     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
9903     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
9904
9905     /* draw counter gadgets */
9906     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
9907
9908     /* draw selectbox gadgets */
9909     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
9910
9911     /* draw textbutton gadgets */
9912     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
9913
9914     /* draw drawing area gadgets */
9915     DrawGroupElementArea(properties_element);
9916
9917     /* draw text input gadgets */
9918     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
9919
9920     /* draw drawing area gadgets */
9921     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
9922
9923     draw_footer_line = TRUE;
9924   }
9925
9926   /* draw little footer border line above CE/GE use/save template gadgets */
9927   if (draw_footer_line)
9928   {
9929     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9930     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9931     int gd_x = gd->x + gd_gi1->border.width / 2;
9932     int gd_y = gd->y + gd_gi1->height - 1;
9933     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9934
9935     if (tab_color != BLACK_PIXEL)               /* black => transparent */
9936       FillRectangle(drawto,
9937                     SX + ED_ELEMENT_SETTINGS_X(0),
9938                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
9939                     ED_TAB_BAR_HEIGHT,
9940                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9941   }
9942 }
9943
9944 static void DrawPropertiesChangeDrawingAreas()
9945 {
9946   if (IS_CUSTOM_ELEMENT(properties_element))
9947   {
9948     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
9949     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
9950     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
9951
9952     DrawCustomChangeContentArea();
9953   }
9954
9955   redraw_mask |= REDRAW_FIELD;
9956 }
9957
9958 static void DrawPropertiesChange()
9959 {
9960   int i;
9961
9962   /* needed to initially set selectbox options for special action options */
9963   setSelectboxSpecialActionOptions();
9964
9965   /* draw stickybutton gadget */
9966   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
9967
9968   /* draw checkbutton gadgets */
9969   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
9970        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
9971     MapCheckbuttonGadget(i);
9972
9973   /* draw counter gadgets */
9974   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
9975        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
9976     MapCounterButtons(i);
9977
9978   /* draw selectbox gadgets */
9979   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
9980        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
9981     MapSelectboxGadget(i);
9982
9983   /* draw textbutton gadgets */
9984   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
9985        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
9986     MapTextbuttonGadget(i);
9987
9988   /* draw graphicbutton gadgets */
9989   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
9990        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
9991     MapGraphicbuttonGadget(i);
9992
9993   /* draw drawing area gadgets */
9994   DrawPropertiesChangeDrawingAreas();
9995 }
9996
9997 static void DrawEditorElementAnimation(int x, int y)
9998 {
9999   int graphic = el2img(properties_element);
10000   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
10001                custom_element.ce_value_fixed_initial :
10002                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
10003                custom_element.collect_score_initial : FrameCounter);
10004
10005   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
10006 }
10007
10008 static void DrawEditorElementName(int x, int y, int font_nr)
10009 {
10010   char *element_name = getElementInfoText(properties_element);
10011   int font_width = getFontWidth(font_nr);
10012   int font_height = getFontHeight(font_nr);
10013   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
10014   int max_chars_per_line = max_text_width / font_width;
10015   char buffer[max_chars_per_line + 1];
10016
10017   if (strlen(element_name) <= max_chars_per_line)
10018     DrawTextS(x, y, font_nr, element_name);
10019   else
10020   {
10021     int next_pos = max_chars_per_line;
10022
10023     strncpy(buffer, element_name, max_chars_per_line);
10024     buffer[max_chars_per_line] = '\0';
10025
10026     if (element_name[max_chars_per_line] == ' ')
10027       next_pos++;
10028     else
10029     {
10030       int i;
10031
10032       for (i = max_chars_per_line - 1; i >= 0; i--)
10033         if (buffer[i] == ' ')
10034           break;
10035
10036       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
10037       {
10038         buffer[i] = '\0';
10039         next_pos = i + 1;
10040       }
10041     }
10042
10043     DrawTextS(x, y - font_height / 2, font_nr, buffer);
10044
10045     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
10046     buffer[max_chars_per_line] = '\0';
10047
10048     DrawTextS(x, y + font_height / 2, font_nr, buffer);
10049   }
10050 }
10051
10052 static void DrawPropertiesWindow()
10053 {
10054   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
10055   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
10056   int border_size = gd->border_size;
10057   int font_nr = FONT_TEXT_1;
10058   int font_height = getFontHeight(font_nr);
10059   int xoffset = TILEX + element_border + 3 * border_size;
10060   int yoffset = (TILEY - font_height) / 2;
10061   int x1 = editor.settings.element_graphic.x + element_border;
10062   int y1 = editor.settings.element_graphic.y + element_border;
10063   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
10064             editor.settings.element_name.x);
10065   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
10066             editor.settings.element_name.y);
10067   char *text = "Element Settings";
10068   int font2_nr = FONT_TITLE_1;
10069   struct MenuPosInfo *pos = &editor.settings.headline;
10070   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
10071   int sy = SY + pos->y;
10072
10073   stick_element_properties_window = FALSE;
10074
10075   /* make sure that previous properties edit mode exists for this element */
10076   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
10077       !IS_CUSTOM_ELEMENT(properties_element))
10078     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
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;
10084
10085   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
10086       (ELEM_IS_PLAYER(properties_element) ||
10087        IS_CUSTOM_ELEMENT(properties_element)))
10088     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
10089
10090   CopyElementPropertiesToEditor(properties_element);
10091
10092   UnmapLevelEditorFieldGadgets();
10093   UnmapLevelEditorToolboxDrawingGadgets();
10094   UnmapLevelEditorToolboxCustomGadgets();
10095
10096   if (IS_CUSTOM_ELEMENT(properties_element) ||
10097       IS_GROUP_ELEMENT(properties_element))
10098     MapLevelEditorToolboxCustomGadgets();
10099
10100   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10101   ClearField();
10102
10103   DrawText(sx, sy, text, font2_nr);
10104
10105   FrameCounter = 0;     /* restart animation frame counter */
10106
10107   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
10108   DrawEditorElementAnimation(SX + x1, SY + y1);
10109   DrawEditorElementName(x2, y2, font_nr);
10110
10111   DrawPropertiesTabulatorGadgets();
10112
10113   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
10114     DrawPropertiesInfo();
10115   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
10116     DrawPropertiesChange();
10117   else  /* (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2]) */
10118     DrawPropertiesConfig();
10119 }
10120
10121 static void DrawPaletteWindow()
10122 {
10123   int i;
10124
10125   UnmapLevelEditorFieldGadgets();
10126
10127   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10128   ClearField();
10129
10130   /* map buttons to select elements */
10131   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10132     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
10133   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
10134   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
10135   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
10136 }
10137
10138 static void UpdateCustomElementGraphicGadgets()
10139 {
10140   int i;
10141
10142   InitElementPropertiesGfxElement();
10143
10144   ModifyEditorElementList();
10145   RedrawDrawingElements();
10146
10147   /* force redraw of all mapped drawing area gadgets */
10148   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
10149   {
10150     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
10151
10152     if (gi->mapped)
10153       MapDrawingArea(i);
10154   }
10155 }
10156
10157 static int getOpenDirectionFromTube(int element)
10158 {
10159   switch (element)
10160   {
10161     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
10162     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
10163     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
10164     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
10165     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
10166     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
10167     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
10168     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
10169     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
10170     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
10171     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
10172   }
10173
10174   return MV_NONE;
10175 }
10176
10177 static int getTubeFromOpenDirection(int direction)
10178 {
10179   switch (direction)
10180   {
10181     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
10182     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
10183     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
10184     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
10185     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
10186     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
10187     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
10188     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
10189     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
10190     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
10191     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
10192
10193     /* if only one direction, fall back to simple tube with that direction */
10194     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
10195     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
10196     case (MV_UP):                       return EL_TUBE_VERTICAL;
10197     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
10198   }
10199
10200   return EL_EMPTY;
10201 }
10202
10203 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
10204 {
10205   int element_new = getTubeFromOpenDirection(direction);
10206
10207   return (element_new != EL_EMPTY ? element_new : element_old);
10208 }
10209
10210 static int getOpenDirectionFromBelt(int element)
10211 {
10212   int belt_dir = getBeltDirFromBeltElement(element);
10213
10214   return (belt_dir == MV_LEFT ? MV_RIGHT :
10215           belt_dir == MV_RIGHT ? MV_LEFT :
10216           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
10217 }
10218
10219 static int getBeltFromNrAndOpenDirection(int nr, int direction)
10220 {
10221   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
10222                   direction == MV_RIGHT ? MV_LEFT :
10223                   direction == MV_HORIZONTAL ? MV_NONE : direction);
10224
10225   if (direction == MV_NONE)
10226     return EL_EMPTY;
10227
10228   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
10229 }
10230
10231 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
10232                                                  int element_old)
10233 {
10234   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
10235
10236   return (element_new != EL_EMPTY ? element_new : element_old);
10237 }
10238
10239 static int getOpenDirectionFromPool(int element)
10240 {
10241   switch (element)
10242   {
10243     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
10244     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
10245     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
10246     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
10247     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
10248     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
10249   }
10250
10251   return MV_NONE;
10252 }
10253
10254 static int getPoolFromOpenDirection(int direction)
10255 {
10256   switch (direction)
10257   {
10258     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
10259     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
10260     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
10261     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
10262     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
10263     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
10264   }
10265
10266   return EL_EMPTY;
10267 }
10268
10269 static int getPoolFromOpenDirectionExt(int direction, int help_element)
10270 {
10271   int element = getPoolFromOpenDirection(direction);
10272   int help_direction = getOpenDirectionFromPool(help_element);
10273
10274   if (element == EL_EMPTY)
10275   {
10276     int help_direction_vertical = help_direction & MV_VERTICAL;
10277
10278     element = getPoolFromOpenDirection(direction | help_direction_vertical);
10279   }
10280
10281   if (element == EL_EMPTY)
10282   {
10283     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
10284
10285     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
10286   }
10287
10288   return element;
10289 }
10290
10291 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
10292 {
10293   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
10294
10295   return (element_new != EL_EMPTY ? element_new : element_old);
10296 }
10297
10298 static int getOpenDirectionFromPillar(int element)
10299 {
10300   switch (element)
10301   {
10302     case EL_EMC_WALL_1:                 return (MV_DOWN);
10303     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
10304     case EL_EMC_WALL_3:                 return (MV_UP);
10305   }
10306
10307   return MV_NONE;
10308 }
10309
10310 static int getPillarFromOpenDirection(int direction)
10311 {
10312   switch (direction)
10313   {
10314     case (MV_DOWN):                     return EL_EMC_WALL_1;
10315     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
10316     case (MV_UP):                       return EL_EMC_WALL_3;
10317   }
10318
10319   return EL_EMPTY;
10320 }
10321
10322 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
10323 {
10324   int element_new = getPillarFromOpenDirection(direction);
10325
10326   return (element_new != EL_EMPTY ? element_new : element_old);
10327 }
10328
10329 static int getOpenDirectionFromSteel2(int element)
10330 {
10331   switch (element)
10332   {
10333     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
10334     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
10335     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
10336     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
10337     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
10338     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
10339     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
10340     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
10341   }
10342
10343   return MV_NONE;
10344 }
10345
10346 static int getSteel2FromOpenDirection(int direction)
10347 {
10348   switch (direction)
10349   {
10350     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
10351     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
10352     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
10353     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
10354     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
10355     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
10356     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
10357     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
10358   }
10359
10360   return EL_EMPTY;
10361 }
10362
10363 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
10364 {
10365   int element_new = getSteel2FromOpenDirection(direction);
10366
10367   return (element_new != EL_EMPTY ? element_new : element_old);
10368 }
10369
10370 static int getOpenDirectionFromChip(int element)
10371 {
10372   switch (element)
10373   {
10374     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
10375     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
10376     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
10377     case EL_SP_CHIP_TOP:                return (MV_DOWN);
10378     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
10379   }
10380
10381   return MV_NONE;
10382 }
10383
10384 static int getChipFromOpenDirection(int direction)
10385 {
10386   switch (direction)
10387   {
10388     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
10389     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
10390     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
10391     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
10392     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
10393   }
10394
10395   return EL_EMPTY;
10396 }
10397
10398 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
10399 {
10400   int element_new = getChipFromOpenDirection(direction);
10401
10402   return (element_new != EL_EMPTY ? element_new : element_old);
10403 }
10404
10405 static int getClosedTube(int x, int y)
10406 {
10407   static int xy[4][2] =
10408   {
10409     { -1, 0 },
10410     { +1, 0 },
10411     { 0, -1 },
10412     { 0, +1 }
10413   };
10414   int element_old = IntelliDrawBuffer[x][y];
10415   int direction_old = getOpenDirectionFromTube(element_old);
10416   int direction_new = MV_NONE;
10417   int i;
10418
10419   for (i = 0; i < NUM_DIRECTIONS; i++)
10420   {
10421     int xx = x + xy[i][0];
10422     int yy = y + xy[i][1];
10423     int dir = MV_DIR_FROM_BIT(i);
10424     int dir_opposite = MV_DIR_OPPOSITE(dir);
10425
10426     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
10427         (direction_old & dir) &&
10428         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10429       direction_new |= dir;
10430   }
10431
10432   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
10433 }
10434
10435 static int getClosedBelt(int x, int y)
10436 {
10437   static int xy[4][2] =
10438   {
10439     { -1, 0 },
10440     { +1, 0 },
10441     { 0, -1 },
10442     { 0, +1 }
10443   };
10444   int element_old = IntelliDrawBuffer[x][y];
10445   int nr = getBeltNrFromBeltElement(element_old);
10446   int direction_old = getOpenDirectionFromBelt(element_old);
10447   int direction_new = MV_NONE;
10448   int i;
10449
10450   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10451   {
10452     int xx = x + xy[i][0];
10453     int yy = y + xy[i][1];
10454     int dir = MV_DIR_FROM_BIT(i);
10455     int dir_opposite = MV_DIR_OPPOSITE(dir);
10456
10457     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
10458         (direction_old & dir) &&
10459         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10460       direction_new |= dir;
10461   }
10462
10463   return getBeltFromNrAndOpenDirection(nr, direction_new);
10464 }
10465
10466 static int getClosedPool(int x, int y)
10467 {
10468   static int xy[4][2] =
10469   {
10470     { -1, 0 },
10471     { +1, 0 },
10472     { 0, -1 },
10473     { 0, +1 }
10474   };
10475   int element_old = IntelliDrawBuffer[x][y];
10476   int direction_old = getOpenDirectionFromPool(element_old);
10477   int direction_new = MV_NONE;
10478   int i;
10479
10480   for (i = 0; i < NUM_DIRECTIONS; i++)
10481   {
10482     int xx = x + xy[i][0];
10483     int yy = y + xy[i][1];
10484     int dir = MV_DIR_FROM_BIT(i);
10485     int dir_opposite = MV_DIR_OPPOSITE(dir);
10486
10487     if (IN_LEV_FIELD(xx, yy) &&
10488         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
10489         (direction_old & dir) &&
10490         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10491       direction_new |= dir;
10492   }
10493
10494   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
10495 }
10496
10497 static int getClosedPillar(int x, int y)
10498 {
10499   static int xy[4][2] =
10500   {
10501     { -1, 0 },
10502     { +1, 0 },
10503     { 0, -1 },
10504     { 0, +1 }
10505   };
10506   int element_old = IntelliDrawBuffer[x][y];
10507   int direction_old = getOpenDirectionFromPillar(element_old);
10508   int direction_new = MV_NONE;
10509   int i;
10510
10511   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10512   {
10513     int xx = x + xy[i][0];
10514     int yy = y + xy[i][1];
10515     int dir = MV_DIR_FROM_BIT(i);
10516     int dir_opposite = MV_DIR_OPPOSITE(dir);
10517
10518     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
10519         (direction_old & dir) &&
10520         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10521       direction_new |= dir;
10522   }
10523
10524   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
10525 }
10526
10527 static int getClosedSteel2(int x, int y)
10528 {
10529   static int xy[4][2] =
10530   {
10531     { -1, 0 },
10532     { +1, 0 },
10533     { 0, -1 },
10534     { 0, +1 }
10535   };
10536   int element_old = IntelliDrawBuffer[x][y];
10537   int direction_old = getOpenDirectionFromSteel2(element_old);
10538   int direction_new = MV_NONE;
10539   int i;
10540
10541   for (i = 0; i < NUM_DIRECTIONS; i++)
10542   {
10543     int xx = x + xy[i][0];
10544     int yy = y + xy[i][1];
10545     int dir = MV_DIR_FROM_BIT(i);
10546     int dir_opposite = MV_DIR_OPPOSITE(dir);
10547
10548     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
10549         (direction_old & dir) &&
10550         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10551       direction_new |= dir;
10552   }
10553
10554   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
10555 }
10556
10557 static int getClosedChip(int x, int y)
10558 {
10559   static int xy[4][2] =
10560   {
10561     { -1, 0 },
10562     { +1, 0 },
10563     { 0, -1 },
10564     { 0, +1 }
10565   };
10566   int element_old = IntelliDrawBuffer[x][y];
10567   int direction_old = getOpenDirectionFromChip(element_old);
10568   int direction_new = MV_NONE;
10569   int i;
10570
10571   for (i = 0; i < NUM_DIRECTIONS; i++)
10572   {
10573     int xx = x + xy[i][0];
10574     int yy = y + xy[i][1];
10575     int dir = MV_DIR_FROM_BIT(i);
10576     int dir_opposite = MV_DIR_OPPOSITE(dir);
10577
10578     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
10579         (direction_old & dir) &&
10580         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
10581       direction_new |= dir;
10582   }
10583
10584   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
10585 }
10586
10587 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
10588                                 boolean change_level)
10589 {
10590   int sx = x - level_xpos;
10591   int sy = y - level_ypos;
10592   int old_element = Feld[x][y];
10593   int new_element = element;
10594   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
10595   boolean draw_masked = FALSE;
10596
10597   if (IS_MM_WALL_EDITOR(element))
10598   {
10599     element = map_mm_wall_element_editor(element) | new_bitmask;
10600
10601     if (IS_MM_WALL(old_element))
10602       element |= MM_WALL_BITS(old_element);
10603
10604     if (!change_level)
10605       draw_masked = TRUE;
10606   }
10607   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
10608   {
10609     int element_changed = old_element & ~new_bitmask;
10610
10611     if (MM_WALL_BITS(element_changed) != 0)
10612       element = element_changed;
10613   }
10614
10615   IntelliDrawBuffer[x][y] = element;
10616
10617   if (change_level)
10618     Feld[x][y] = element;
10619
10620   if (IN_ED_FIELD(sx, sy))
10621   {
10622     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
10623       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
10624     else if (draw_masked)
10625       DrawEditorElementThruMask(sx, sy, element);
10626     else
10627       DrawEditorElement(sx, sy, element);
10628   }
10629 }
10630
10631 static void SetElementSimple(int x, int y, int element, boolean change_level)
10632 {
10633   SetElementSimpleExt(x, y, 0, 0, element, change_level);
10634 }
10635
10636 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
10637                                            int x2, int y2, int *element2,
10638                                            int (*close_function)(int, int),
10639                                            boolean change_level)
10640 {
10641   /* set neighbour elements to newly determined connections */
10642   SetElementSimple(x1, y1, *element1, change_level);
10643   SetElementSimple(x2, y2, *element2, change_level);
10644
10645   /* remove all open connections of neighbour elements */
10646   *element1 = close_function(x1, y1);
10647   *element2 = close_function(x2, y2);
10648
10649   /* set neighbour elements to new, minimized connections */
10650   SetElementSimple(x1, y1, *element1, change_level);
10651   SetElementSimple(x2, y2, *element2, change_level);
10652 }
10653
10654 static void SetElementIntelliDraw(int x, int y, int new_element,
10655                                   boolean change_level, int button)
10656 {
10657   static int xy[4][2] =
10658   {
10659     { -1, 0 },
10660     { +1, 0 },
10661     { 0, -1 },
10662     { 0, +1 }
10663   };
10664   static int last_x = -1;
10665   static int last_y = -1;
10666   int old_element = IntelliDrawBuffer[x][y];
10667
10668   if (new_element == EL_UNDEFINED)
10669   {
10670     last_x = -1;
10671     last_y = -1;
10672
10673     return;
10674   }
10675
10676   if (IS_TUBE(new_element))
10677   {
10678     int last_element_new = EL_UNDEFINED;
10679     int direction = MV_NONE;
10680     int i;
10681
10682     /* if old element is of same kind, keep all existing directions */
10683     if (IS_TUBE(old_element))
10684       direction |= getOpenDirectionFromTube(old_element);
10685
10686     for (i = 0; i < NUM_DIRECTIONS; i++)
10687     {
10688       int xx = x + xy[i][0];
10689       int yy = y + xy[i][1];
10690
10691       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10692           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
10693       {
10694         int dir = MV_DIR_FROM_BIT(i);
10695         int dir_opposite = MV_DIR_OPPOSITE(dir);
10696         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10697         int last_direction_old = getOpenDirectionFromTube(last_element_old);
10698         int last_direction_new = last_direction_old | dir_opposite;
10699
10700         last_element_new = getTubeFromOpenDirection(last_direction_new);
10701
10702         direction |= dir;
10703       }
10704     }
10705
10706     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
10707
10708     if (last_element_new != EL_UNDEFINED)
10709       MergeAndCloseNeighbourElements(x, y, &new_element,
10710                                      last_x, last_y, &last_element_new,
10711                                      getClosedTube, change_level);
10712   }
10713   else if (IS_BELT(new_element))
10714   {
10715     int belt_nr = getBeltNrFromBeltElement(new_element);
10716     int last_element_new = EL_UNDEFINED;
10717     int direction = MV_NONE;
10718     int i;
10719
10720     /* if old element is of same kind, keep all existing directions */
10721     if (IS_BELT(old_element))
10722       direction |= getOpenDirectionFromBelt(old_element);
10723
10724     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
10725     {
10726       int xx = x + xy[i][0];
10727       int yy = y + xy[i][1];
10728
10729       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10730           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
10731       {
10732         int dir = MV_DIR_FROM_BIT(i);
10733         int dir_opposite = MV_DIR_OPPOSITE(dir);
10734         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10735         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
10736         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
10737         int last_direction_new = last_direction_old | dir_opposite;
10738
10739         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
10740                                                          last_direction_new);
10741         direction |= dir;
10742       }
10743     }
10744
10745     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
10746                                                         new_element);
10747     if (last_element_new != EL_UNDEFINED)
10748       MergeAndCloseNeighbourElements(x, y, &new_element,
10749                                      last_x, last_y, &last_element_new,
10750                                      getClosedBelt, change_level);
10751   }
10752   else if (IS_ACID_POOL_OR_ACID(new_element))
10753   {
10754     int last_element_new = EL_UNDEFINED;
10755     int direction = MV_NONE;
10756     int i;
10757
10758     /* if old element is of same kind, keep all existing directions */
10759     if (IS_ACID_POOL_OR_ACID(old_element))
10760       direction |= getOpenDirectionFromPool(old_element);
10761
10762     for (i = 0; i < NUM_DIRECTIONS; i++)
10763     {
10764       int xx = x + xy[i][0];
10765       int yy = y + xy[i][1];
10766
10767       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10768           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
10769       {
10770         int dir = MV_DIR_FROM_BIT(i);
10771         int dir_opposite = MV_DIR_OPPOSITE(dir);
10772         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10773         int last_direction_old = getOpenDirectionFromPool(last_element_old);
10774         int last_direction_new = last_direction_old | dir_opposite;
10775
10776         last_element_new = getPoolFromOpenDirection(last_direction_new);
10777
10778         direction |= dir;
10779       }
10780     }
10781
10782     /* special corrections needed for intuitively correct acid pool drawing */
10783     if (last_element_new == EL_EMPTY)
10784       last_element_new = new_element;
10785     else if (last_element_new != EL_UNDEFINED)
10786       new_element = last_element_new;
10787
10788     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
10789
10790     if (last_element_new != EL_UNDEFINED)
10791       MergeAndCloseNeighbourElements(x, y, &new_element,
10792                                      last_x, last_y, &last_element_new,
10793                                      getClosedPool, change_level);
10794   }
10795   else if (IS_EMC_PILLAR(new_element))
10796   {
10797     int last_element_new = EL_UNDEFINED;
10798     int direction = MV_NONE;
10799     int i;
10800
10801     /* if old element is of same kind, keep all existing directions */
10802     if (IS_EMC_PILLAR(old_element))
10803       direction |= getOpenDirectionFromPillar(old_element);
10804
10805     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
10806     {
10807       int xx = x + xy[i][0];
10808       int yy = y + xy[i][1];
10809
10810       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10811           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
10812       {
10813         int dir = MV_DIR_FROM_BIT(i);
10814         int dir_opposite = MV_DIR_OPPOSITE(dir);
10815         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10816         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
10817         int last_direction_new = last_direction_old | dir_opposite;
10818
10819         last_element_new = getPillarFromOpenDirection(last_direction_new);
10820
10821         direction |= dir;
10822       }
10823     }
10824
10825     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
10826
10827     if (last_element_new != EL_UNDEFINED)
10828       MergeAndCloseNeighbourElements(x, y, &new_element,
10829                                      last_x, last_y, &last_element_new,
10830                                      getClosedPillar, change_level);
10831   }
10832   else if (IS_DC_STEELWALL_2(new_element))
10833   {
10834     int last_element_new = EL_UNDEFINED;
10835     int direction = MV_NONE;
10836     int i;
10837
10838     /* if old element is of same kind, keep all existing directions */
10839     if (IS_DC_STEELWALL_2(old_element))
10840       direction |= getOpenDirectionFromSteel2(old_element);
10841
10842     for (i = 0; i < NUM_DIRECTIONS; i++)
10843     {
10844       int xx = x + xy[i][0];
10845       int yy = y + xy[i][1];
10846
10847       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10848           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
10849       {
10850         int dir = MV_DIR_FROM_BIT(i);
10851         int dir_opposite = MV_DIR_OPPOSITE(dir);
10852         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10853         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
10854         int last_direction_new = last_direction_old | dir_opposite;
10855
10856         last_element_new = getSteel2FromOpenDirection(last_direction_new);
10857
10858         direction |= dir;
10859       }
10860     }
10861
10862     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
10863
10864     if (last_element_new != EL_UNDEFINED)
10865       MergeAndCloseNeighbourElements(x, y, &new_element,
10866                                      last_x, last_y, &last_element_new,
10867                                      getClosedSteel2, change_level);
10868   }
10869   else if (IS_SP_CHIP(new_element))
10870   {
10871     int last_element_new = EL_UNDEFINED;
10872     int direction = MV_NONE;
10873     int i;
10874
10875     /* (do not keep existing directions, regardless of kind of old element) */
10876
10877     for (i = 0; i < NUM_DIRECTIONS; i++)
10878     {
10879       int xx = x + xy[i][0];
10880       int yy = y + xy[i][1];
10881
10882       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10883           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
10884       {
10885         int dir = MV_DIR_FROM_BIT(i);
10886         int dir_opposite = MV_DIR_OPPOSITE(dir);
10887         int last_element_old = IntelliDrawBuffer[last_x][last_y];
10888         int last_direction_old = getOpenDirectionFromChip(last_element_old);
10889         int last_direction_new = last_direction_old | dir_opposite;
10890
10891         if (last_direction_old == MV_NONE)
10892         {
10893           last_element_new = getChipFromOpenDirection(last_direction_new);
10894           direction |= dir;
10895         }
10896         else if (last_direction_old & (dir | dir_opposite))
10897         {
10898           direction |= MV_DIR_OPPOSITE(last_direction_old);
10899         }
10900         else
10901         {
10902           direction |= MV_DIR_OPPOSITE(dir);
10903         }
10904       }
10905     }
10906
10907     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
10908
10909     if (last_element_new != EL_UNDEFINED)
10910       MergeAndCloseNeighbourElements(x, y, &new_element,
10911                                      last_x, last_y, &last_element_new,
10912                                      getClosedChip, change_level);
10913   }
10914   else if (IS_SP_HARDWARE_BASE(new_element))
10915   {
10916     int nr = GetSimpleRandom(6);
10917
10918     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
10919                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
10920                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
10921                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
10922                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
10923   }
10924   else if (new_element == EL_SP_HARDWARE_GREEN ||
10925            new_element == EL_SP_HARDWARE_BLUE ||
10926            new_element == EL_SP_HARDWARE_RED)
10927   {
10928     int nr = GetSimpleRandom(3);
10929
10930     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
10931                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
10932   }
10933   else if (IS_GROUP_ELEMENT(new_element))
10934   {
10935     boolean connected_drawing = FALSE;
10936     int i;
10937
10938     for (i = 0; i < NUM_DIRECTIONS; i++)
10939     {
10940       int xx = x + xy[i][0];
10941       int yy = y + xy[i][1];
10942
10943       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
10944           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
10945         connected_drawing = TRUE;
10946     }
10947
10948     if (!connected_drawing)
10949       ResolveGroupElement(new_element);
10950
10951     new_element = GetElementFromGroupElement(new_element);
10952   }
10953   else if (IS_BELT_SWITCH(old_element))
10954   {
10955     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
10956     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
10957
10958     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
10959                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
10960
10961     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
10962   }
10963   else
10964   {
10965     static int swappable_elements[][2] =
10966     {
10967       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
10968       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
10969       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
10970       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
10971       { EL_EMERALD,                     EL_WALL_EMERALD                 },
10972       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
10973       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
10974       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
10975       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
10976       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
10977       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
10978       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
10979       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
10980       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
10981       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
10982       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
10983       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
10984       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
10985       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
10986       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
10987       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
10988       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
10989       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
10990       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
10991       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
10992       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
10993       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
10994       { EL_PEARL,                       EL_WALL_PEARL                   },
10995       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
10996       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
10997       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
10998       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
10999       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
11000       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
11001       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
11002       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
11003       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
11004       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
11005       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
11006       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
11007       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
11008       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
11009       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
11010       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
11011
11012       { -1,                             -1                              },
11013     };
11014     static int rotatable_elements_4[][4] =
11015     {
11016       {
11017         EL_BUG_UP,
11018         EL_BUG_RIGHT,
11019         EL_BUG_DOWN,
11020         EL_BUG_LEFT
11021       },
11022       {
11023         EL_SPACESHIP_UP,
11024         EL_SPACESHIP_RIGHT,
11025         EL_SPACESHIP_DOWN,
11026         EL_SPACESHIP_LEFT
11027       },
11028       {
11029         EL_BD_BUTTERFLY_UP,
11030         EL_BD_BUTTERFLY_RIGHT,
11031         EL_BD_BUTTERFLY_DOWN,
11032         EL_BD_BUTTERFLY_LEFT
11033       },
11034       {
11035         EL_BD_FIREFLY_UP,
11036         EL_BD_FIREFLY_RIGHT,
11037         EL_BD_FIREFLY_DOWN,
11038         EL_BD_FIREFLY_LEFT
11039       },
11040       {
11041         EL_PACMAN_UP,
11042         EL_PACMAN_RIGHT,
11043         EL_PACMAN_DOWN,
11044         EL_PACMAN_LEFT
11045       },
11046       {
11047         EL_YAMYAM_UP,
11048         EL_YAMYAM_RIGHT,
11049         EL_YAMYAM_DOWN,
11050         EL_YAMYAM_LEFT
11051       },
11052       {
11053         EL_ARROW_UP,
11054         EL_ARROW_RIGHT,
11055         EL_ARROW_DOWN,
11056         EL_ARROW_LEFT
11057       },
11058       {
11059         EL_SP_PORT_UP,
11060         EL_SP_PORT_RIGHT,
11061         EL_SP_PORT_DOWN,
11062         EL_SP_PORT_LEFT
11063       },
11064       {
11065         EL_SP_GRAVITY_PORT_UP,
11066         EL_SP_GRAVITY_PORT_RIGHT,
11067         EL_SP_GRAVITY_PORT_DOWN,
11068         EL_SP_GRAVITY_PORT_LEFT
11069       },
11070       {
11071         EL_SP_GRAVITY_ON_PORT_UP,
11072         EL_SP_GRAVITY_ON_PORT_RIGHT,
11073         EL_SP_GRAVITY_ON_PORT_DOWN,
11074         EL_SP_GRAVITY_ON_PORT_LEFT
11075       },
11076       {
11077         EL_SP_GRAVITY_OFF_PORT_UP,
11078         EL_SP_GRAVITY_OFF_PORT_RIGHT,
11079         EL_SP_GRAVITY_OFF_PORT_DOWN,
11080         EL_SP_GRAVITY_OFF_PORT_LEFT
11081       },
11082       {
11083         EL_MOLE_UP,
11084         EL_MOLE_RIGHT,
11085         EL_MOLE_DOWN,
11086         EL_MOLE_LEFT
11087       },
11088       {
11089         EL_BALLOON_SWITCH_UP,
11090         EL_BALLOON_SWITCH_RIGHT,
11091         EL_BALLOON_SWITCH_DOWN,
11092         EL_BALLOON_SWITCH_LEFT
11093       },
11094       {
11095         EL_MM_MCDUFFIN_UP,
11096         EL_MM_MCDUFFIN_RIGHT,
11097         EL_MM_MCDUFFIN_DOWN,
11098         EL_MM_MCDUFFIN_LEFT
11099       },
11100       {
11101         EL_MM_MIRROR_FIXED_1,
11102         EL_MM_MIRROR_FIXED_4,
11103         EL_MM_MIRROR_FIXED_3,
11104         EL_MM_MIRROR_FIXED_2
11105       },
11106       {
11107         EL_MM_STEEL_GRID_FIXED_1,
11108         EL_MM_STEEL_GRID_FIXED_4,
11109         EL_MM_STEEL_GRID_FIXED_2,
11110         EL_MM_STEEL_GRID_FIXED_3
11111       },
11112       {
11113         EL_MM_WOODEN_GRID_FIXED_1,
11114         EL_MM_WOODEN_GRID_FIXED_4,
11115         EL_MM_WOODEN_GRID_FIXED_2,
11116         EL_MM_WOODEN_GRID_FIXED_3
11117       },
11118       {
11119         EL_MM_POLARISATOR_CROSS_1,
11120         EL_MM_POLARISATOR_CROSS_4,
11121         EL_MM_POLARISATOR_CROSS_3,
11122         EL_MM_POLARISATOR_CROSS_2
11123       },
11124       {
11125         EL_MM_PACMAN_UP,
11126         EL_MM_PACMAN_RIGHT,
11127         EL_MM_PACMAN_DOWN,
11128         EL_MM_PACMAN_LEFT
11129       },
11130       {
11131         EL_DF_LASER_UP,
11132         EL_DF_LASER_RIGHT,
11133         EL_DF_LASER_DOWN,
11134         EL_DF_LASER_LEFT
11135       },
11136       {
11137         EL_DF_RECEIVER_UP,
11138         EL_DF_RECEIVER_RIGHT,
11139         EL_DF_RECEIVER_DOWN,
11140         EL_DF_RECEIVER_LEFT
11141       },
11142
11143       {
11144         -1,
11145       },
11146     };
11147     static int rotatable_elements_8[][8] =
11148     {
11149       {
11150         EL_DF_STEEL_GRID_FIXED_1,
11151         EL_DF_STEEL_GRID_FIXED_8,
11152         EL_DF_STEEL_GRID_FIXED_7,
11153         EL_DF_STEEL_GRID_FIXED_6,
11154         EL_DF_STEEL_GRID_FIXED_5,
11155         EL_DF_STEEL_GRID_FIXED_4,
11156         EL_DF_STEEL_GRID_FIXED_3,
11157         EL_DF_STEEL_GRID_FIXED_2
11158       },
11159       {
11160         EL_DF_WOODEN_GRID_FIXED_1,
11161         EL_DF_WOODEN_GRID_FIXED_8,
11162         EL_DF_WOODEN_GRID_FIXED_7,
11163         EL_DF_WOODEN_GRID_FIXED_6,
11164         EL_DF_WOODEN_GRID_FIXED_5,
11165         EL_DF_WOODEN_GRID_FIXED_4,
11166         EL_DF_WOODEN_GRID_FIXED_3,
11167         EL_DF_WOODEN_GRID_FIXED_2
11168       },
11169       {
11170         EL_DF_STEEL_GRID_ROTATING_1,
11171         EL_DF_STEEL_GRID_ROTATING_8,
11172         EL_DF_STEEL_GRID_ROTATING_7,
11173         EL_DF_STEEL_GRID_ROTATING_6,
11174         EL_DF_STEEL_GRID_ROTATING_5,
11175         EL_DF_STEEL_GRID_ROTATING_4,
11176         EL_DF_STEEL_GRID_ROTATING_3,
11177         EL_DF_STEEL_GRID_ROTATING_2
11178       },
11179       {
11180         EL_DF_WOODEN_GRID_ROTATING_1,
11181         EL_DF_WOODEN_GRID_ROTATING_8,
11182         EL_DF_WOODEN_GRID_ROTATING_7,
11183         EL_DF_WOODEN_GRID_ROTATING_6,
11184         EL_DF_WOODEN_GRID_ROTATING_5,
11185         EL_DF_WOODEN_GRID_ROTATING_4,
11186         EL_DF_WOODEN_GRID_ROTATING_3,
11187         EL_DF_WOODEN_GRID_ROTATING_2
11188       },
11189
11190       {
11191         -1,
11192       },
11193     };
11194     static int rotatable_elements_16[][16] =
11195     {
11196       {
11197         EL_MM_MIRROR_1,
11198         EL_MM_MIRROR_16,
11199         EL_MM_MIRROR_15,
11200         EL_MM_MIRROR_14,
11201         EL_MM_MIRROR_13,
11202         EL_MM_MIRROR_12,
11203         EL_MM_MIRROR_11,
11204         EL_MM_MIRROR_10,
11205         EL_MM_MIRROR_9,
11206         EL_MM_MIRROR_8,
11207         EL_MM_MIRROR_7,
11208         EL_MM_MIRROR_6,
11209         EL_MM_MIRROR_5,
11210         EL_MM_MIRROR_4,
11211         EL_MM_MIRROR_3,
11212         EL_MM_MIRROR_2
11213       },
11214       {
11215         EL_MM_BEAMER_5,
11216         EL_MM_BEAMER_4,
11217         EL_MM_BEAMER_3,
11218         EL_MM_BEAMER_2,
11219         EL_MM_BEAMER_1,
11220         EL_MM_BEAMER_16,
11221         EL_MM_BEAMER_15,
11222         EL_MM_BEAMER_14,
11223         EL_MM_BEAMER_13,
11224         EL_MM_BEAMER_12,
11225         EL_MM_BEAMER_11,
11226         EL_MM_BEAMER_10,
11227         EL_MM_BEAMER_9,
11228         EL_MM_BEAMER_8,
11229         EL_MM_BEAMER_7,
11230         EL_MM_BEAMER_6
11231       },
11232       {
11233         EL_MM_BEAMER_RED_5,
11234         EL_MM_BEAMER_RED_4,
11235         EL_MM_BEAMER_RED_3,
11236         EL_MM_BEAMER_RED_2,
11237         EL_MM_BEAMER_RED_1,
11238         EL_MM_BEAMER_RED_16,
11239         EL_MM_BEAMER_RED_15,
11240         EL_MM_BEAMER_RED_14,
11241         EL_MM_BEAMER_RED_13,
11242         EL_MM_BEAMER_RED_12,
11243         EL_MM_BEAMER_RED_11,
11244         EL_MM_BEAMER_RED_10,
11245         EL_MM_BEAMER_RED_9,
11246         EL_MM_BEAMER_RED_8,
11247         EL_MM_BEAMER_RED_7,
11248         EL_MM_BEAMER_RED_6
11249       },
11250       {
11251         EL_MM_BEAMER_YELLOW_5,
11252         EL_MM_BEAMER_YELLOW_4,
11253         EL_MM_BEAMER_YELLOW_3,
11254         EL_MM_BEAMER_YELLOW_2,
11255         EL_MM_BEAMER_YELLOW_1,
11256         EL_MM_BEAMER_YELLOW_16,
11257         EL_MM_BEAMER_YELLOW_15,
11258         EL_MM_BEAMER_YELLOW_14,
11259         EL_MM_BEAMER_YELLOW_13,
11260         EL_MM_BEAMER_YELLOW_12,
11261         EL_MM_BEAMER_YELLOW_11,
11262         EL_MM_BEAMER_YELLOW_10,
11263         EL_MM_BEAMER_YELLOW_9,
11264         EL_MM_BEAMER_YELLOW_8,
11265         EL_MM_BEAMER_YELLOW_7,
11266         EL_MM_BEAMER_YELLOW_6
11267       },
11268       {
11269         EL_MM_BEAMER_GREEN_5,
11270         EL_MM_BEAMER_GREEN_4,
11271         EL_MM_BEAMER_GREEN_3,
11272         EL_MM_BEAMER_GREEN_2,
11273         EL_MM_BEAMER_GREEN_1,
11274         EL_MM_BEAMER_GREEN_16,
11275         EL_MM_BEAMER_GREEN_15,
11276         EL_MM_BEAMER_GREEN_14,
11277         EL_MM_BEAMER_GREEN_13,
11278         EL_MM_BEAMER_GREEN_12,
11279         EL_MM_BEAMER_GREEN_11,
11280         EL_MM_BEAMER_GREEN_10,
11281         EL_MM_BEAMER_GREEN_9,
11282         EL_MM_BEAMER_GREEN_8,
11283         EL_MM_BEAMER_GREEN_7,
11284         EL_MM_BEAMER_GREEN_6
11285       },
11286       {
11287         EL_MM_BEAMER_BLUE_5,
11288         EL_MM_BEAMER_BLUE_4,
11289         EL_MM_BEAMER_BLUE_3,
11290         EL_MM_BEAMER_BLUE_2,
11291         EL_MM_BEAMER_BLUE_1,
11292         EL_MM_BEAMER_BLUE_16,
11293         EL_MM_BEAMER_BLUE_15,
11294         EL_MM_BEAMER_BLUE_14,
11295         EL_MM_BEAMER_BLUE_13,
11296         EL_MM_BEAMER_BLUE_12,
11297         EL_MM_BEAMER_BLUE_11,
11298         EL_MM_BEAMER_BLUE_10,
11299         EL_MM_BEAMER_BLUE_9,
11300         EL_MM_BEAMER_BLUE_8,
11301         EL_MM_BEAMER_BLUE_7,
11302         EL_MM_BEAMER_BLUE_6
11303       },
11304       {
11305         EL_MM_POLARISATOR_1,
11306         EL_MM_POLARISATOR_16,
11307         EL_MM_POLARISATOR_15,
11308         EL_MM_POLARISATOR_14,
11309         EL_MM_POLARISATOR_13,
11310         EL_MM_POLARISATOR_12,
11311         EL_MM_POLARISATOR_11,
11312         EL_MM_POLARISATOR_10,
11313         EL_MM_POLARISATOR_9,
11314         EL_MM_POLARISATOR_8,
11315         EL_MM_POLARISATOR_7,
11316         EL_MM_POLARISATOR_6,
11317         EL_MM_POLARISATOR_5,
11318         EL_MM_POLARISATOR_4,
11319         EL_MM_POLARISATOR_3,
11320         EL_MM_POLARISATOR_2
11321       },
11322       {
11323         EL_DF_MIRROR_1,
11324         EL_DF_MIRROR_16,
11325         EL_DF_MIRROR_15,
11326         EL_DF_MIRROR_14,
11327         EL_DF_MIRROR_13,
11328         EL_DF_MIRROR_12,
11329         EL_DF_MIRROR_11,
11330         EL_DF_MIRROR_10,
11331         EL_DF_MIRROR_9,
11332         EL_DF_MIRROR_8,
11333         EL_DF_MIRROR_7,
11334         EL_DF_MIRROR_6,
11335         EL_DF_MIRROR_5,
11336         EL_DF_MIRROR_4,
11337         EL_DF_MIRROR_3,
11338         EL_DF_MIRROR_2
11339       },
11340       {
11341         EL_DF_MIRROR_ROTATING_1,
11342         EL_DF_MIRROR_ROTATING_16,
11343         EL_DF_MIRROR_ROTATING_15,
11344         EL_DF_MIRROR_ROTATING_14,
11345         EL_DF_MIRROR_ROTATING_13,
11346         EL_DF_MIRROR_ROTATING_12,
11347         EL_DF_MIRROR_ROTATING_11,
11348         EL_DF_MIRROR_ROTATING_10,
11349         EL_DF_MIRROR_ROTATING_9,
11350         EL_DF_MIRROR_ROTATING_8,
11351         EL_DF_MIRROR_ROTATING_7,
11352         EL_DF_MIRROR_ROTATING_6,
11353         EL_DF_MIRROR_ROTATING_5,
11354         EL_DF_MIRROR_ROTATING_4,
11355         EL_DF_MIRROR_ROTATING_3,
11356         EL_DF_MIRROR_ROTATING_2
11357       },
11358
11359       {
11360         -1,
11361       },
11362     };
11363     int i, j;
11364
11365     for (i = 0; swappable_elements[i][0] != -1; i++)
11366     {
11367       int element1 = swappable_elements[i][0];
11368       int element2 = swappable_elements[i][1];
11369
11370       if (old_element == element1 || old_element == element2)
11371         new_element = (old_element == element1 ? element2 : element1);
11372     }
11373
11374     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
11375     {
11376       for (j = 0; j < 4; j++)
11377       {
11378         int element = rotatable_elements_4[i][j];
11379
11380         if (old_element == element)
11381           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
11382                          button == 2 ? rotatable_elements_4[i][0]           :
11383                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
11384                          old_element);
11385       }
11386     }
11387
11388     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
11389     {
11390       for (j = 0; j < 8; j++)
11391       {
11392         int element = rotatable_elements_8[i][j];
11393
11394         if (old_element == element)
11395           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
11396                          button == 2 ? rotatable_elements_8[i][0]           :
11397                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
11398                          old_element);
11399       }
11400     }
11401
11402     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
11403     {
11404       for (j = 0; j < 16; j++)
11405       {
11406         int element = rotatable_elements_16[i][j];
11407
11408         if (old_element == element)
11409           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
11410                          button == 2 ? rotatable_elements_16[i][0]             :
11411                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
11412                          old_element);
11413       }
11414     }
11415
11416     if (old_element != new_element)
11417     {
11418       int max_infotext_len = getMaxInfoTextLength();
11419       char infotext[MAX_OUTPUT_LINESIZE + 1];
11420
11421       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
11422       infotext[max_infotext_len] = '\0';
11423
11424       ClearEditorGadgetInfoText();
11425
11426       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
11427                 infotext);
11428     }
11429   }
11430
11431   SetElementSimple(x, y, new_element, change_level);
11432
11433   last_x = x;
11434   last_y = y;
11435 }
11436
11437 static void ResetIntelliDraw()
11438 {
11439   int x, y;
11440
11441   for (x = 0; x < lev_fieldx; x++)
11442     for (y = 0; y < lev_fieldy; y++)
11443       IntelliDrawBuffer[x][y] = Feld[x][y];
11444
11445   SetElementIntelliDraw(-1, -1, EL_UNDEFINED, FALSE, -1);
11446 }
11447
11448 static boolean draw_mode_hires = FALSE;
11449
11450 static void SetDrawModeHiRes(int element)
11451 {
11452   draw_mode_hires =
11453     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
11454      (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY));
11455 }
11456
11457 static boolean getDrawModeHiRes()
11458 {
11459   return draw_mode_hires;
11460 }
11461
11462 static int getLoResScreenPos(int pos)
11463 {
11464   return (getDrawModeHiRes() ? pos / 2 : pos);
11465 }
11466
11467 static int getLoResScreenMod(int pos)
11468 {
11469   return (getDrawModeHiRes() ? pos % 2 : 0);
11470 }
11471
11472 static void SetElementExt(int x, int y, int dx, int dy, int element,
11473                           boolean change_level, int button)
11474 {
11475   if (element < 0)
11476     SetElementSimple(x, y, Feld[x][y], change_level);
11477   else if (GetKeyModState() & KMOD_Shift && !IS_MM_WALL_EDITOR(element))
11478     SetElementIntelliDraw(x, y, element, change_level, button);
11479   else
11480     SetElementSimpleExt(x, y, dx, dy, element, change_level);
11481 }
11482
11483 static void SetElement(int x, int y, int element)
11484 {
11485   SetElementExt(x, y, 0, 0, element, TRUE, -1);
11486 }
11487
11488 static void SetElementButton(int x, int y, int dx, int dy, int element,
11489                              int button)
11490 {
11491   SetElementExt(x, y, dx, dy, element, TRUE, button);
11492 }
11493
11494 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
11495 {
11496   int lx = getLoResScreenPos(sx2) + level_xpos;
11497   int ly = getLoResScreenPos(sy2) + level_ypos;
11498   int dx = getLoResScreenMod(sx2);
11499   int dy = getLoResScreenMod(sy2);
11500
11501   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
11502 }
11503
11504 static void SetLevelElementHiRes(int lx2, int ly2, int element)
11505 {
11506   int lx = lx2 / 2;
11507   int ly = ly2 / 2;
11508   int dx = lx2 % 2;
11509   int dy = ly2 % 2;
11510
11511   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
11512 }
11513
11514 static int getLevelElementHiRes(int lx2, int ly2)
11515 {
11516   int lx = lx2 / 2;
11517   int ly = ly2 / 2;
11518   int dx = lx2 % 2;
11519   int dy = ly2 % 2;
11520   int element = Feld[lx][ly];
11521   unsigned int bitmask = (dx + 1) << (dy * 2);
11522
11523   if (IS_MM_WALL(element))
11524   {
11525     if (element & bitmask)
11526       return map_mm_wall_element(element);
11527     else
11528       return EL_EMPTY;
11529   }
11530
11531   return element;
11532 }
11533
11534 static void DrawLineElement(int x, int y, int element, boolean change_level)
11535 {
11536   SetElementHiRes(x, y, element, change_level);
11537 }
11538
11539 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
11540                      int element, boolean change_level)
11541 {
11542   int xsize = ABS(to_x - from_x);
11543   int ysize = ABS(to_y - from_y);
11544   int dx = (to_x < from_x ? -1 : +1);
11545   int dy = (to_y < from_y ? -1 : +1);
11546   int i;
11547
11548   if (from_y == to_y)                   /* horizontal line */
11549   {
11550     for (i = 0; i <= xsize; i++)
11551       DrawLineElement(from_x + i * dx, from_y, element, change_level);
11552   }
11553   else if (from_x == to_x)              /* vertical line */
11554   {
11555     for (i = 0; i <= ysize; i++)
11556       DrawLineElement(from_x, from_y + i * dy, element, change_level);
11557   }
11558   else                                  /* diagonal line */
11559   {
11560     if (ysize < xsize)                  /* a < 1 */
11561     {
11562       float a = (float)ysize / (float)xsize;
11563
11564       for (i = 0; i <= xsize; i++)
11565       {
11566         int x = dx * i;
11567         int y = dy * (int)(a * i + 0.5);
11568
11569         DrawLineElement(from_x + x, from_y + y, element, change_level);
11570       }
11571     }
11572     else                                /* a >= 1 */
11573     {
11574       float a = (float)xsize / (float)ysize;
11575
11576       for (i = 0; i <= ysize; i++)
11577       {
11578         int x = dx * (int)(a * i + 0.5);
11579         int y = dy * i;
11580
11581         DrawLineElement(from_x + x, from_y + y, element, change_level);
11582       }
11583     }
11584   }
11585 }
11586
11587 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
11588                     int element, boolean change_level)
11589 {
11590   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
11591   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
11592   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
11593   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
11594 }
11595
11596 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
11597                           int element, boolean change_level)
11598 {
11599   int y;
11600
11601   if (from_y > to_y)
11602     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
11603
11604   for (y = from_y; y <= to_y; y++)
11605     DrawLine(from_x, y, to_x, y, element, change_level);
11606 }
11607
11608 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
11609                        int element, boolean change_level)
11610 {
11611   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
11612   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
11613   int len_x = ABS(to_x - from_x);
11614   int len_y = ABS(to_y - from_y);
11615   int radius, x, y;
11616
11617   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
11618
11619   /* not optimal (some points get drawn twice) but simple,
11620      and fast enough for the few points we are drawing */
11621
11622   for (x = 0; x <= radius; x++)
11623   {
11624     int sx, sy, sx2, sy2, lx, ly;
11625
11626     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
11627
11628     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11629     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11630     sx = getLoResScreenPos(sx2);
11631     sy = getLoResScreenPos(sy2);
11632     lx = sx + level_xpos;
11633     ly = sy + level_ypos;
11634
11635     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11636       DrawLineElement(sx2, sy2, element, change_level);
11637   }
11638
11639   for (y = 0; y <= radius; y++)
11640   {
11641     int sx, sy, sx2, sy2, lx, ly;
11642
11643     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
11644
11645     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
11646     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
11647     sx = getLoResScreenPos(sx2);
11648     sy = getLoResScreenPos(sy2);
11649     lx = sx + level_xpos;
11650     ly = sy + level_ypos;
11651
11652     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11653       DrawLineElement(sx2, sy2, element, change_level);
11654   }
11655 }
11656
11657 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
11658                     int element, boolean change_level)
11659 {
11660   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11661   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11662
11663   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11664 }
11665
11666 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
11667
11668 #if DRAW_CIRCLES_BUTTON_AVAILABLE
11669 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
11670                        int element, boolean change_level)
11671 {
11672   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
11673   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
11674   int mirror_to_x2 = from_x - (to_x2 - from_x);
11675   int mirror_to_y2 = from_y - (to_y2 - from_y);
11676
11677   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
11678   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
11679   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
11680   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element,change_level);
11681 }
11682 #endif
11683
11684 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
11685 {
11686   int from_sx, from_sy;
11687   int to_sx, to_sy;
11688
11689   if (from_x > to_x)
11690     swap_numbers(&from_x, &to_x);
11691
11692   if (from_y > to_y)
11693     swap_numbers(&from_y, &to_y);
11694
11695   from_sx = SX + from_x * ed_tilesize;
11696   from_sy = SY + from_y * ed_tilesize;
11697   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
11698   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
11699
11700   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
11701   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
11702   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
11703   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
11704
11705   if (from_x == to_x && from_y == to_y)
11706     MarkTileDirty(from_x/2, from_y/2);
11707   else
11708     redraw_mask |= REDRAW_FIELD;
11709 }
11710
11711 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
11712                         int element, boolean change_level)
11713 {
11714   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
11715 }
11716
11717 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
11718                        int element, boolean change_level)
11719 {
11720   if (element == -1 || change_level)
11721     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
11722   else
11723     DrawAreaBorder(from_x, from_y, to_x, to_y);
11724 }
11725
11726 /* values for CopyBrushExt() */
11727 #define CB_AREA_TO_BRUSH        0
11728 #define CB_BRUSH_TO_CURSOR      1
11729 #define CB_BRUSH_TO_LEVEL       2
11730 #define CB_DELETE_OLD_CURSOR    3
11731 #define CB_DUMP_BRUSH           4
11732 #define CB_DUMP_BRUSH_SMALL     5
11733
11734 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
11735 {
11736   DrawLineElement(sx, sy, element, change_level);
11737 }
11738
11739 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
11740                          int button, int mode)
11741 {
11742   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
11743   static int brush_width, brush_height;
11744   static int last_cursor_x = -1, last_cursor_y = -1;
11745   static boolean delete_old_brush;
11746   int new_element = BUTTON_ELEMENT(button);
11747   int x, y;
11748
11749   if (mode == CB_DUMP_BRUSH ||
11750       mode == CB_DUMP_BRUSH_SMALL)
11751   {
11752     if (!draw_with_brush)
11753     {
11754       Error(ERR_WARN, "no brush selected");
11755
11756       return;
11757     }
11758
11759     for (y = 0; y < brush_height; y++)
11760     {
11761       for (x = 0; x < brush_width; x++)
11762       {
11763         int element = brush_buffer[x][y];
11764         int element_mapped = element;
11765
11766         if (IS_CUSTOM_ELEMENT(element))
11767           element_mapped = EL_CUSTOM_START;
11768         else if (IS_GROUP_ELEMENT(element))
11769           element_mapped = EL_GROUP_START;
11770         else if (element >= NUM_FILE_ELEMENTS)
11771           element_mapped = EL_UNKNOWN;
11772
11773         // dump brush as level sketch text for the R'n'D forum:
11774         // - large tiles: `xxx (0x60 ASCII)
11775         // - small tiles: ¸xxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
11776         printf("%s%03d", (mode == CB_DUMP_BRUSH ? "`" : "¸"), element_mapped);
11777       }
11778
11779       printf("\n");
11780     }
11781
11782     return;
11783   }
11784
11785   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
11786     return;
11787
11788   if (mode == CB_AREA_TO_BRUSH)
11789   {
11790     int from_lx, from_ly;
11791
11792     if (from_x > to_x)
11793       swap_numbers(&from_x, &to_x);
11794
11795     if (from_y > to_y)
11796       swap_numbers(&from_y, &to_y);
11797
11798     brush_width = to_x - from_x + 1;
11799     brush_height = to_y - from_y + 1;
11800
11801     from_lx = from_x + level_xpos;
11802     from_ly = from_y + level_ypos;
11803
11804     for (y = 0; y < brush_height; y++)
11805     {
11806       for (x = 0; x < brush_width; x++)
11807       {
11808         brush_buffer[x][y] = Feld[from_lx + x][from_ly + y];
11809
11810         if (button != 1)
11811           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
11812       }
11813     }
11814
11815     if (button != 1)
11816       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
11817
11818     delete_old_brush = FALSE;
11819   }
11820   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
11821            mode == CB_BRUSH_TO_LEVEL)
11822   {
11823     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
11824     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
11825     int cursor_from_x = cursor_x - brush_width / 2;
11826     int cursor_from_y = cursor_y - brush_height / 2;
11827     int border_from_x = cursor_x, border_from_y = cursor_y;
11828     int border_to_x = cursor_x, border_to_y = cursor_y;
11829
11830     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
11831       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11832
11833     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
11834         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
11835     {
11836       delete_old_brush = FALSE;
11837       return;
11838     }
11839
11840     for (y = 0; y < brush_height; y++)
11841     {
11842       for (x = 0; x < brush_width; x++)
11843       {
11844         int sx = cursor_from_x + x;
11845         int sy = cursor_from_y + y;
11846         int lx = sx + level_xpos;
11847         int ly = sy + level_ypos;
11848         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
11849         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
11850                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
11851                        brush_buffer[x][y] : new_element);
11852
11853         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
11854         {
11855           if (sx < border_from_x)
11856             border_from_x = sx;
11857           else if (sx > border_to_x)
11858             border_to_x = sx;
11859           if (sy < border_from_y)
11860             border_from_y = sy;
11861           else if (sy > border_to_y)
11862             border_to_y = sy;
11863
11864           DrawBrushElement(sx, sy, element, change_level);
11865         }
11866       }
11867     }
11868
11869     if (mode != CB_DELETE_OLD_CURSOR)
11870       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
11871
11872     last_cursor_x = cursor_x;
11873     last_cursor_y = cursor_y;
11874     delete_old_brush = TRUE;
11875   }
11876 }
11877
11878 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
11879                             int button)
11880 {
11881   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
11882 }
11883
11884 static void CopyBrushToLevel(int x, int y, int button)
11885 {
11886   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
11887 }
11888
11889 static void CopyBrushToCursor(int x, int y)
11890 {
11891   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
11892 }
11893
11894 static void DeleteBrushFromCursor()
11895 {
11896   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
11897 }
11898
11899 void DumpBrush()
11900 {
11901   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
11902 }
11903
11904 void DumpBrush_Small()
11905 {
11906   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
11907 }
11908
11909 static void FloodFill(int from_x, int from_y, int fill_element)
11910 {
11911   FloodFillLevel(from_x, from_y, fill_element, Feld, lev_fieldx, lev_fieldy);
11912 }
11913
11914 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
11915 {
11916   int from_x = from_sx2 + 2 * level_xpos;
11917   int from_y = from_sy2 + 2 * level_ypos;
11918   int max_fillx = lev_fieldx * 2;
11919   int max_filly = lev_fieldy * 2;
11920   short FillFeld[max_fillx][max_filly];
11921   int x, y;
11922
11923   for (x = 0; x < max_fillx; x++)
11924     for (y = 0; y < max_filly; y++)
11925       FillFeld[x][y] = getLevelElementHiRes(x, y);
11926
11927   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
11928                     FillFeld, max_fillx, max_filly);
11929
11930   for (x = 0; x < max_fillx; x++)
11931     for (y = 0; y < max_filly; y++)
11932       if (FillFeld[x][y] == fill_element)
11933         SetLevelElementHiRes(x, y, FillFeld[x][y]);
11934 }
11935
11936 /* values for DrawLevelText() modes */
11937 #define TEXT_INIT               0
11938 #define TEXT_SETCURSOR          1
11939 #define TEXT_WRITECHAR          2
11940 #define TEXT_BACKSPACE          3
11941 #define TEXT_NEWLINE            4
11942 #define TEXT_END                5
11943 #define TEXT_QUERY_TYPING       6
11944
11945 static int DrawLevelText(int sx, int sy, char letter, int mode)
11946 {
11947   static short delete_buffer[MAX_LEV_FIELDX];
11948   static int start_sx;
11949   static int last_sx, last_sy;
11950   static boolean typing = FALSE;
11951   int letter_element = EL_CHAR_ASCII0 + letter;
11952   int lx = 0, ly = 0;
11953
11954   /* map lower case letters to upper case and convert special characters */
11955   if (letter >= 'a' && letter <= 'z')
11956     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
11957   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
11958     letter_element = EL_CHAR_AUMLAUT;
11959   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
11960     letter_element = EL_CHAR_OUMLAUT;
11961   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
11962     letter_element = EL_CHAR_UUMLAUT;
11963   else if (letter == '^')
11964     letter_element = EL_CHAR_COPYRIGHT;
11965   else
11966     letter_element = EL_CHAR_ASCII0 + letter;
11967
11968   if (mode != TEXT_INIT)
11969   {
11970     if (!typing)
11971       return FALSE;
11972
11973     if (mode != TEXT_SETCURSOR)
11974     {
11975       sx = last_sx;
11976       sy = last_sy;
11977     }
11978
11979     lx = last_sx + level_xpos;
11980     ly = last_sy + level_ypos;
11981   }
11982
11983   switch (mode)
11984   {
11985     case TEXT_INIT:
11986       if (typing)
11987         DrawLevelText(0, 0, 0, TEXT_END);
11988
11989       typing = TRUE;
11990       start_sx = sx;
11991       last_sx = sx;
11992       last_sy = sy;
11993       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
11994       break;
11995
11996     case TEXT_SETCURSOR:
11997       DrawEditorElement(last_sx, last_sy, Feld[lx][ly]);
11998       DrawAreaBorder(sx, sy, sx, sy);
11999       last_sx = sx;
12000       last_sy = sy;
12001       break;
12002
12003     case TEXT_WRITECHAR:
12004       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
12005       {
12006         if (new_element1 >= EL_STEEL_CHAR_START &&
12007             new_element1 <= EL_STEEL_CHAR_END)
12008           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
12009
12010         delete_buffer[sx - start_sx] = Feld[lx][ly];
12011         Feld[lx][ly] = letter_element;
12012
12013         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
12014           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
12015         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
12016           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12017         else
12018           DrawLevelText(0, 0, 0, TEXT_END);
12019
12020         level.changed = TRUE;
12021       }
12022       break;
12023
12024     case TEXT_BACKSPACE:
12025       if (sx > start_sx)
12026       {
12027         Feld[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
12028         DrawEditorElement(sx - 1, sy, Feld[lx - 1][ly]);
12029         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
12030       }
12031       break;
12032
12033     case TEXT_NEWLINE:
12034       if (sy + 1 < ed_fieldy - 1 && ly + 1 < lev_fieldy - 1)
12035         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
12036       else
12037         DrawLevelText(0, 0, 0, TEXT_END);
12038       break;
12039
12040     case TEXT_END:
12041       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12042       DrawEditorElement(sx, sy, Feld[lx][ly]);
12043       typing = FALSE;
12044       break;
12045
12046     case TEXT_QUERY_TYPING:
12047       break;
12048
12049     default:
12050       break;
12051   }
12052
12053   return typing;
12054 }
12055
12056 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
12057                           int element, boolean change_level)
12058 {
12059   int lx = sx + level_xpos;
12060   int ly = sy + level_ypos;
12061
12062   if (element == -1)
12063     DrawEditorElement(sx, sy, Feld[lx][ly]);
12064   else
12065     DrawAreaBorder(sx, sy, sx, sy);
12066 }
12067
12068 static void CheckLevelBorderElement(boolean redraw_playfield)
12069 {
12070   int last_border_element = BorderElement;
12071
12072   SetBorderElement();
12073
12074   if (redraw_playfield && BorderElement != last_border_element)
12075     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12076 }
12077
12078 static void CopyLevelToUndoBuffer(int mode)
12079 {
12080   static boolean accumulated_undo = FALSE;
12081   boolean new_undo_buffer_position = TRUE;
12082   int x, y;
12083
12084   if (undo_buffer_steps == 0)
12085     accumulated_undo = FALSE;
12086
12087   switch (mode)
12088   {
12089     case UNDO_IMMEDIATE:
12090       accumulated_undo = FALSE;
12091       break;
12092
12093     case UNDO_ACCUMULATE:
12094       if (accumulated_undo)
12095         new_undo_buffer_position = FALSE;
12096       accumulated_undo = TRUE;
12097       break;
12098
12099     default:
12100       break;
12101   }
12102
12103   if (new_undo_buffer_position)
12104   {
12105     /* advance position in undo buffer ring */
12106     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
12107
12108     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
12109       undo_buffer_steps++;
12110   }
12111
12112   /* always reset redo buffer when storing level change into undo buffer */
12113   redo_buffer_steps = 0;
12114
12115   for (x = 0; x < lev_fieldx; x++)
12116     for (y = 0; y < lev_fieldy; y++)
12117       UndoBuffer[undo_buffer_position][x][y] = Feld[x][y];
12118
12119   /* check if drawing operation forces change of border style */
12120   CheckLevelBorderElement(TRUE);
12121
12122   level.changed = TRUE;
12123 }
12124
12125 static void RandomPlacement(int new_element)
12126 {
12127   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
12128   int num_free_positions = 0;
12129   int num_percentage, num_elements;
12130   int x, y;
12131
12132   ResetIntelliDraw();
12133
12134   /* determine number of free positions for randomly placing the new element */
12135   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
12136   {
12137     free_position[x][y] =
12138       (random_placement_background_restricted ?
12139        Feld[x][y] == random_placement_background_element :
12140        Feld[x][y] != new_element);
12141
12142     if (free_position[x][y])
12143       num_free_positions++;
12144   }
12145
12146   /* determine number of new elements to place there */
12147   num_percentage = num_free_positions * random_placement_value / 100;
12148   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
12149                   num_percentage : random_placement_value);
12150
12151   /* if less free positions than elements to place, fill all these positions */
12152   if (num_free_positions < num_elements)
12153   {
12154     for (x = 0; x < lev_fieldx; x++)
12155       for (y = 0; y < lev_fieldy; y++)
12156         if (free_position[x][y])
12157           SetElement(x, y, new_element);
12158   }
12159   else
12160   {
12161     while (num_elements > 0)
12162     {
12163       x = GetSimpleRandom(lev_fieldx);
12164       y = GetSimpleRandom(lev_fieldy);
12165
12166       /* don't place element at the same position twice */
12167       if (free_position[x][y])
12168       {
12169         free_position[x][y] = FALSE;
12170         SetElement(x, y, new_element);
12171         num_elements--;
12172       }
12173     }
12174   }
12175
12176   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12177   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12178 }
12179
12180 void WrapLevel(int dx, int dy)
12181 {
12182   int wrap_dx = lev_fieldx - dx;
12183   int wrap_dy = lev_fieldy - dy;
12184   int x, y;
12185
12186   for (x = 0; x < lev_fieldx; x++)
12187     for (y = 0; y < lev_fieldy; y++)
12188       FieldBackup[x][y] = Feld[x][y];
12189
12190   for (x = 0; x < lev_fieldx; x++)
12191     for (y = 0; y < lev_fieldy; y++)
12192       Feld[x][y] =
12193         FieldBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
12194
12195   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12196   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
12197 }
12198
12199 static void HandleDrawingAreas(struct GadgetInfo *gi)
12200 {
12201   static boolean started_inside_drawing_area = FALSE;
12202   static int last_sx = -1, last_sy = -1;
12203   static int last_sx2 = -1, last_sy2 = -1;
12204   int id = gi->custom_id;
12205   int type_id = gi->custom_type_id;
12206   boolean button_press_event;
12207   boolean button_release_event;
12208   boolean inside_drawing_area = !gi->event.off_borders;
12209   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
12210   int actual_drawing_function;
12211   int button = gi->event.button;
12212   int new_element = BUTTON_ELEMENT(button);
12213   int sx = gi->event.x, sy = gi->event.y;
12214   int min_sx = 0, min_sy = 0;
12215   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
12216   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
12217   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
12218   int sx2 = gi->event.mx / mini_item_xsize;
12219   int sy2 = gi->event.my / mini_item_ysize;
12220   int dx = sx2 % 2;
12221   int dy = sy2 % 2;
12222   int lx = 0, ly = 0;
12223   int min_lx = 0, min_ly = 0;
12224   int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
12225   int x, y;
12226
12227   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
12228   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
12229
12230   /* make sure to stay inside drawing area boundaries */
12231   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
12232   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
12233
12234   if (draw_level)
12235   {
12236     /* get positions inside level field */
12237     lx = sx + level_xpos;
12238     ly = sy + level_ypos;
12239
12240     if (!IN_LEV_FIELD(lx, ly))
12241       inside_drawing_area = FALSE;
12242
12243     /* make sure to stay inside level field boundaries */
12244     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
12245     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
12246
12247     /* correct drawing area positions accordingly */
12248     sx = lx - level_xpos;
12249     sy = ly - level_ypos;
12250   }
12251
12252   /* also correct MM wall-sized (double) drawing area positions accordingly */
12253   if (sx2 / 2 < sx || sx2 / 2 > sx)
12254   {
12255     dx = (sx2 / 2 < sx ? 0 : 1);
12256     sx2 = sx * 2 + dx;
12257   }
12258   if (sy2 / 2 < sy || sy2 / 2 > sy)
12259   {
12260     dy = (sy2 / 2 < sy ? 0 : 1);
12261     sy2 = sy * 2 + dy;
12262   }
12263
12264   if (button_release_event)
12265   {
12266     last_sx = -1;
12267     last_sy = -1;
12268     last_sx2 = -1;
12269     last_sy2 = -1;
12270   }
12271   else if (!button_press_event)
12272   {
12273     /* prevent handling events for every pixel position when moving mouse */
12274     if ((sx == last_sx && sy == last_sy &&
12275          !IS_MM_WALL_EDITOR(new_element) && new_element != EL_EMPTY) ||
12276         (sx2 == last_sx2 && sy2 == last_sy2))
12277       return;
12278   }
12279
12280   last_sx = sx;
12281   last_sy = sy;
12282   last_sx2 = sx2;
12283   last_sy2 = sy2;
12284
12285   if (button_press_event)
12286     started_inside_drawing_area = inside_drawing_area;
12287
12288   if (!started_inside_drawing_area)
12289     return;
12290
12291   if (!IS_VALID_BUTTON(button))
12292     return;
12293
12294   if (!button && !button_release_event)
12295     return;
12296
12297   /* handle info callback for each invocation of action callback */
12298   gi->callback_info(gi);
12299
12300   /* automatically switch to 'single item' drawing mode, if needed */
12301   actual_drawing_function =
12302     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
12303      drawing_function : GADGET_ID_SINGLE_ITEMS);
12304
12305   /* clicking into drawing area with pressed Control key picks element */
12306   if (GetKeyModState() & KMOD_Control)
12307   {
12308     last_drawing_function = drawing_function;
12309     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
12310   }
12311
12312   if (GetKeyModState() & KMOD_Shift)
12313   {
12314     if (button_press_event || button_release_event)
12315       ResetIntelliDraw();
12316   }
12317
12318   SetDrawModeHiRes(-1);         /* reset to normal draw mode */
12319
12320   switch (actual_drawing_function)
12321   {
12322     case GADGET_ID_SINGLE_ITEMS:
12323       if (draw_level)
12324       {
12325         if (button_release_event)
12326         {
12327           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12328
12329           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
12330               !inside_drawing_area)
12331             DeleteBrushFromCursor();
12332         }
12333
12334         if (!button || button_release_event)
12335           break;
12336
12337         if (draw_with_brush)
12338         {
12339           CopyBrushToLevel(sx, sy, button);
12340         }
12341         else
12342         {
12343           SetDrawModeHiRes(new_element);
12344
12345           if (new_element == EL_PLAYER_1)
12346           {
12347             /* remove player at old position */
12348             for (y = 0; y < lev_fieldy; y++)
12349               for (x = 0; x < lev_fieldx; x++)
12350                 if (Feld[x][y] == EL_PLAYER_1)
12351                   SetElement(x, y, EL_EMPTY);
12352           }
12353
12354           SetElementButton(lx, ly, dx, dy, new_element, button);
12355         }
12356       }
12357       else if (!button_release_event)
12358       {
12359         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12360
12361         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
12362           DrawMiniGraphicExt(drawto,
12363                              gi->x + sx * MINI_TILEX,
12364                              gi->y + sy * MINI_TILEY,
12365                              el2edimg(new_element));
12366         else
12367           DrawFixedGraphicExt(drawto,
12368                               gi->x + sx * TILEX,
12369                               gi->y + sy * TILEY,
12370                               el2edimg(new_element), 0);
12371
12372         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12373           new_element = GFX_ELEMENT(new_element);
12374
12375         drawingarea_info[type_id].value[pos] = new_element;
12376
12377         CopyElementPropertiesToGame(properties_element);
12378
12379         if (id == GADGET_ID_CUSTOM_GRAPHIC)
12380         {
12381           UpdateCustomElementGraphicGadgets();
12382
12383           FrameCounter = 0;     /* restart animation frame counter */
12384         }
12385       }
12386       break;
12387
12388     case GADGET_ID_CONNECTED_ITEMS:
12389       {
12390         static int last_sx = -1;
12391         static int last_sy = -1;
12392
12393         if (button_release_event)
12394           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12395
12396         if (button)
12397         {
12398           SetDrawModeHiRes(new_element);
12399
12400           if (getDrawModeHiRes())
12401           {
12402             sx = sx2;
12403             sy = sy2;
12404           }
12405
12406           if (!button_press_event)
12407             DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
12408
12409           last_sx = sx;
12410           last_sy = sy;
12411         }
12412       }
12413       break;
12414
12415     case GADGET_ID_LINE:
12416     case GADGET_ID_ARC:
12417     case GADGET_ID_RECTANGLE:
12418     case GADGET_ID_FILLED_BOX:
12419       SetDrawModeHiRes(new_element);
12420
12421       if (getDrawModeHiRes())
12422       {
12423         sx = sx2;
12424         sy = sy2;
12425       }
12426       /* FALLTHROUGH */
12427     case GADGET_ID_GRAB_BRUSH:
12428     case GADGET_ID_TEXT:
12429       {
12430         static int last_sx = -1;
12431         static int last_sy = -1;
12432         static int start_sx = -1;
12433         static int start_sy = -1;
12434         void (*draw_func)(int, int, int, int, int, boolean);
12435
12436         if (drawing_function == GADGET_ID_LINE)
12437           draw_func = DrawLine;
12438         else if (drawing_function == GADGET_ID_ARC)
12439           draw_func = DrawArc;
12440         else if (drawing_function == GADGET_ID_RECTANGLE)
12441           draw_func = DrawBox;
12442         else if (drawing_function == GADGET_ID_FILLED_BOX)
12443           draw_func = DrawFilledBox;
12444         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
12445           draw_func = SelectArea;
12446         else /* (drawing_function == GADGET_ID_TEXT) */
12447           draw_func = SetTextCursor;
12448
12449         if (button_press_event)
12450         {
12451           draw_func(sx, sy, sx, sy, new_element, FALSE);
12452           start_sx = last_sx = sx;
12453           start_sy = last_sy = sy;
12454
12455           if (drawing_function == GADGET_ID_TEXT)
12456             DrawLevelText(0, 0, 0, TEXT_END);
12457         }
12458         else if (button_release_event)
12459         {
12460           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
12461           if (drawing_function == GADGET_ID_GRAB_BRUSH)
12462           {
12463             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
12464             CopyBrushToCursor(sx, sy);
12465             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
12466                           MB_LEFTBUTTON);
12467             draw_with_brush = TRUE;
12468           }
12469           else if (drawing_function == GADGET_ID_TEXT)
12470             DrawLevelText(sx, sy, 0, TEXT_INIT);
12471           else
12472             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12473         }
12474         else if (last_sx != sx || last_sy != sy)
12475         {
12476           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
12477           if (IS_MM_WALL_EDITOR(new_element))   /* clear wall background */
12478             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
12479           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
12480           last_sx = sx;
12481           last_sy = sy;
12482         }
12483       }
12484       break;
12485
12486     case GADGET_ID_FLOOD_FILL:
12487       if (button_press_event && Feld[lx][ly] != new_element)
12488       {
12489         if (IS_MM_WALL_EDITOR(new_element))
12490           FloodFillWall_MM(sx2, sy2, new_element);
12491         else
12492           FloodFill(lx, ly, new_element);
12493
12494         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
12495         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
12496       }
12497       break;
12498
12499     case GADGET_ID_PICK_ELEMENT:
12500       if (button_release_event)
12501         ClickOnGadget(level_editor_gadget[last_drawing_function],
12502                       MB_LEFTBUTTON);
12503       else if (draw_level)
12504         PickDrawingElement(button, Feld[lx][ly]);
12505       else
12506       {
12507         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
12508
12509         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
12510       }
12511
12512     default:
12513       break;
12514   }
12515
12516   /* do not mark level as modified for certain non-level-changing gadgets */
12517   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
12518        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
12519       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
12520       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
12521     return;
12522
12523   level.changed = TRUE;
12524 }
12525
12526 static void HandleCounterButtons(struct GadgetInfo *gi)
12527 {
12528   int gadget_id = gi->custom_id;
12529   int counter_id = gi->custom_type_id;
12530   int button = gi->event.button;
12531   int *counter_value = counterbutton_info[counter_id].value;
12532   int step = BUTTON_STEPSIZE(button) *
12533     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
12534
12535   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12536   {
12537     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
12538     boolean released = (gi->event.type == GD_EVENT_RELEASED);
12539     boolean level_changed = LevelChanged();
12540
12541     if ((level_changed && pressed) || (!level_changed && released))
12542       return;
12543
12544     if (level_changed && !Request("Level has changed! Discard changes?",
12545                                   REQ_ASK))
12546     {
12547       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12548         ModifyEditorCounterValue(counter_id, *counter_value);
12549
12550       return;
12551     }
12552   }
12553
12554   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
12555     *counter_value = gi->textinput.number_value;
12556   else
12557     ModifyEditorCounterValue(counter_id, *counter_value + step);
12558
12559   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
12560   {
12561     int last_game_engine_type = level.game_engine_type;
12562
12563     LoadLevel(level_nr);
12564     LoadScore(level_nr);
12565
12566     SaveLevelSetup_SeriesInfo();
12567
12568     TapeErase();
12569
12570     ResetUndoBuffer();
12571     DrawEditModeWindow();
12572
12573     if (level.game_engine_type != last_game_engine_type)
12574     {
12575       /* update element selection list */
12576       ReinitializeElementList();
12577       ModifyEditorElementList();
12578     }
12579
12580     return;
12581   }
12582
12583   switch (counter_id)
12584   {
12585     case ED_COUNTER_ID_YAMYAM_CONTENT:
12586       DrawYamYamContentAreas();
12587       break;
12588
12589     case ED_COUNTER_ID_BALL_CONTENT:
12590       DrawMagicBallContentAreas();
12591       break;
12592
12593     case ED_COUNTER_ID_ANDROID_CONTENT:
12594       DrawAndroidElementArea(properties_element);
12595       break;
12596
12597     case ED_COUNTER_ID_GROUP_CONTENT:
12598       DrawGroupElementArea(properties_element);
12599       CopyGroupElementPropertiesToGame(properties_element);
12600       break;
12601
12602     case ED_COUNTER_ID_INVENTORY_SIZE:
12603       DrawPlayerInitialInventoryArea(properties_element);
12604       break;
12605
12606     case ED_COUNTER_ID_ENVELOPE_XSIZE:
12607     case ED_COUNTER_ID_ENVELOPE_YSIZE:
12608       DrawEnvelopeTextArea(-1);
12609       break;
12610
12611     case ED_COUNTER_ID_LEVEL_XSIZE:
12612     case ED_COUNTER_ID_LEVEL_YSIZE:
12613       lev_fieldx = level.fieldx;
12614       lev_fieldy = level.fieldy;
12615
12616       /* check if resizing of level results in change of border border */
12617       SetBorderElement();
12618
12619       break;
12620
12621     default:
12622       break;
12623   }
12624
12625   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
12626        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
12627       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
12628        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
12629     CopyElementPropertiesToGame(properties_element);
12630
12631   /* do not mark level as modified for certain non-level-changing gadgets */
12632   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
12633        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
12634       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
12635        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
12636     return;
12637
12638   level.changed = TRUE;
12639 }
12640
12641 static void HandleTextInputGadgets(struct GadgetInfo *gi)
12642 {
12643   int type_id = gi->custom_type_id;
12644
12645   strcpy(textinput_info[type_id].value, gi->textinput.value);
12646
12647   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
12648   {
12649     CopyElementPropertiesToGame(properties_element);
12650
12651     ModifyEditorElementList();  /* update changed button info text */
12652   }
12653
12654   /* do not mark level as modified for certain non-level-changing gadgets */
12655   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
12656       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
12657     return;
12658
12659   level.changed = TRUE;
12660 }
12661
12662 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
12663 {
12664   int type_id = gi->custom_type_id;
12665
12666   strncpy(textarea_info[type_id].value, gi->textarea.value,
12667           MAX_ENVELOPE_TEXT_LEN);
12668   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
12669
12670   level.changed = TRUE;
12671 }
12672
12673 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
12674 {
12675   int type_id = gi->custom_type_id;
12676   int value_old = *selectbox_info[type_id].value;
12677   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
12678
12679   *selectbox_info[type_id].value = value_new;
12680
12681   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
12682   {
12683     DrawLevelInfoWindow();
12684   }
12685   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12686   {
12687     element_info[properties_element].current_change_page = gi->selectbox.index;
12688
12689     DrawPropertiesWindow();
12690   }
12691   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
12692             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
12693            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
12694             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
12695            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
12696   {
12697     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
12698     {
12699       /* when changing action type, also check action mode and action arg */
12700       if (value_old != value_new)
12701         setSelectboxSpecialActionVariablesIfNeeded();
12702
12703       DrawPropertiesChange();
12704     }
12705
12706     CopyElementPropertiesToGame(properties_element);
12707   }
12708   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
12709   {
12710     /* update element selection list */
12711     ReinitializeElementList();
12712     ModifyEditorElementList();
12713   }
12714
12715   /* do not mark level as modified for certain non-level-changing gadgets */
12716   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
12717       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
12718     return;
12719
12720   level.changed = TRUE;
12721 }
12722
12723 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
12724 {
12725   int type_id = gi->custom_type_id;
12726   int i;
12727
12728   if (type_id >= ED_TAB_BUTTON_ID_LEVELINFO_FIRST &&
12729       type_id <= ED_TAB_BUTTON_ID_LEVELINFO_LAST)
12730   {
12731     edit_mode_levelinfo = gi->custom_type_id;
12732
12733     DrawLevelInfoWindow();
12734   }
12735   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
12736            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
12737   {
12738     edit_mode_properties = gi->custom_type_id;
12739
12740     DrawPropertiesWindow();
12741   }
12742   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
12743            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
12744   {
12745     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
12746
12747     /* backup original "level.field" (needed to track playfield changes) */
12748     CopyPlayfield(level.field, FieldBackup);
12749
12750     /* "SaveLevelTemplate()" uses "level.field", so copy editor playfield */
12751     CopyPlayfield(Feld, level.field);
12752
12753     if (new_template ||
12754         Request("Save this template and kill the old?", REQ_ASK))
12755       SaveLevelTemplate();
12756
12757     if (new_template)
12758       Request("Template saved!", REQ_CONFIRM);
12759
12760     /* restore original "level.field" (needed to track playfield changes) */
12761     CopyPlayfield(FieldBackup, level.field);
12762   }
12763   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
12764   {
12765     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
12766
12767     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
12768         leveldir_current->readonly)
12769     {
12770       Request("This level set is read only!", REQ_CONFIRM);
12771
12772       return;
12773     }
12774
12775     if (strEqual(levelset_name, ""))
12776     {
12777       Request("Please enter level set title!", REQ_CONFIRM);
12778
12779       return;
12780     }
12781
12782     if (strEqual(levelset_author, ""))
12783     {
12784       Request("Please enter level set author!", REQ_CONFIRM);
12785
12786       return;
12787     }
12788
12789     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
12790     {
12791       if (UpdateUserLevelSet(levelset_subdir,
12792                              levelset_name,
12793                              levelset_author,
12794                              levelset_num_levels))
12795       {
12796         Request("Level set updated!", REQ_CONFIRM);
12797       }
12798       else
12799       {
12800         Request("Updating level set failed!", REQ_CONFIRM);
12801       }
12802     }
12803     else
12804     {
12805       if (CreateUserLevelSet(levelset_subdir,
12806                              levelset_name,
12807                              levelset_author,
12808                              levelset_num_levels))
12809       {
12810         Request("New level set created!", REQ_CONFIRM);
12811
12812         AddUserLevelSetToLevelInfo(levelset_subdir);
12813         ChangeEditorToLevelSet(levelset_subdir);
12814       }
12815       else
12816       {
12817         Request("Creating new level set failed!", REQ_CONFIRM);
12818       }
12819     }
12820   }
12821   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
12822            custom_element.num_change_pages < MAX_CHANGE_PAGES)
12823   {
12824     struct ElementInfo *ei = &element_info[properties_element];
12825
12826     /* when modifying custom element, ask for copying level template */
12827     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12828       return;
12829
12830     setElementChangePages(ei, ei->num_change_pages + 1);
12831
12832     /* set new change page to be new current change page */
12833     ei->current_change_page = ei->num_change_pages - 1;
12834     ei->change = &ei->change_page[ei->current_change_page];
12835
12836     setElementChangeInfoToDefaults(ei->change);
12837
12838     DrawPropertiesWindow();
12839
12840     level.changed = TRUE;
12841   }
12842   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
12843            custom_element.num_change_pages > MIN_CHANGE_PAGES)
12844   {
12845     struct ElementInfo *ei = &element_info[properties_element];
12846
12847     /* when modifying custom element, ask for copying level template */
12848     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12849       return;
12850
12851     /* copy all change pages after change page to be deleted */
12852     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
12853       ei->change_page[i] = ei->change_page[i + 1];
12854
12855     setElementChangePages(ei, ei->num_change_pages - 1);
12856
12857     DrawPropertiesWindow();
12858
12859     level.changed = TRUE;
12860   }
12861 }
12862
12863 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
12864 {
12865   int type_id = gi->custom_type_id;
12866
12867   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
12868       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
12869   {
12870     struct ElementInfo *ei = &element_info[properties_element];
12871     int step = BUTTON_STEPSIZE(gi->event.button);
12872
12873     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
12874     ei->current_change_page += step;
12875
12876     if (ei->current_change_page < 0)
12877       ei->current_change_page = 0;
12878     else if (ei->current_change_page >= ei->num_change_pages)
12879       ei->current_change_page = ei->num_change_pages - 1;
12880
12881     DrawPropertiesWindow();
12882   }
12883   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
12884            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12885   {
12886     struct ElementInfo *ei = &element_info[properties_element];
12887     int current_change_page = ei->current_change_page;
12888
12889     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
12890     {
12891       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
12892         ei->change_page[current_change_page];
12893     }
12894     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
12895     {
12896       /* when modifying custom element, ask for copying level template */
12897       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
12898         return;
12899
12900       ei->change_page[current_change_page] =
12901         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
12902
12903       level.changed = TRUE;
12904     }
12905
12906     DrawPropertiesWindow();
12907   }
12908 }
12909
12910 static void HandleRadiobuttons(struct GadgetInfo *gi)
12911 {
12912   int type_id = gi->custom_type_id;
12913
12914   *radiobutton_info[type_id].value =
12915     radiobutton_info[type_id].checked_value;
12916
12917   /* do not mark level as modified for certain non-level-changing gadgets */
12918   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
12919       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
12920     return;
12921
12922   level.changed = TRUE;
12923 }
12924
12925 static void HandleCheckbuttons(struct GadgetInfo *gi)
12926 {
12927   int type_id = gi->custom_type_id;
12928
12929   *checkbutton_info[type_id].value ^= TRUE;
12930
12931   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
12932       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
12933       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
12934       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
12935          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
12936         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
12937          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
12938        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
12939   {
12940     CopyElementPropertiesToGame(properties_element);
12941   }
12942
12943   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
12944   {
12945     UpdateCustomElementGraphicGadgets();
12946   }
12947   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
12948            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
12949   {
12950     boolean template_related_changes_found = FALSE;
12951     int i;
12952
12953     /* check if any custom or group elements have been changed */
12954     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
12955       if ((IS_CUSTOM_ELEMENT(i) || IS_GROUP_ELEMENT(i)) &&
12956           element_info[i].modified_settings)
12957         template_related_changes_found = TRUE;
12958
12959     if (level.use_custom_template &&
12960         !fileExists(getGlobalLevelTemplateFilename()))
12961     {
12962       Request("No level template found!", REQ_CONFIRM);
12963
12964       level.use_custom_template = FALSE;
12965
12966       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12967
12968       return;
12969     }
12970
12971     if (level.use_custom_template &&
12972         template_related_changes_found &&
12973         !Request("Discard changes and use level template?", REQ_ASK))
12974     {
12975       level.use_custom_template = FALSE;
12976
12977       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
12978
12979       return;
12980     }
12981
12982     if (!level.use_custom_template &&
12983         Request("Copy settings from level template?", REQ_ASK))
12984     {
12985       return;
12986     }
12987
12988     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
12989
12990     DrawEditModeWindow();
12991   }
12992   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
12993   {
12994     if (setup.editor.use_template_for_new_levels &&
12995         !fileExists(getGlobalLevelTemplateFilename()))
12996     {
12997       Request("No level template found!", REQ_CONFIRM);
12998
12999       return;
13000     }
13001
13002     if (setup.editor.use_template_for_new_levels &&
13003         level.changed &&
13004         !Request("Discard level and load template?", REQ_ASK))
13005     {
13006       return;
13007     }
13008
13009     if (!setup.editor.use_template_for_new_levels &&
13010         level.changed &&
13011         !Request("Discard level and use empty level?", REQ_ASK))
13012     {
13013       return;
13014     }
13015
13016     LoadLevel(level_nr);
13017     LoadScore(level_nr);
13018
13019     TapeErase();
13020
13021     ResetUndoBuffer();
13022     DrawEditModeWindow();
13023   }
13024   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
13025   {
13026     SetAutomaticNumberOfGemsNeeded();
13027   }
13028
13029   /* do not mark level as modified for certain non-level-changing gadgets */
13030   if ((type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
13031        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST) ||
13032       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
13033     return;
13034
13035   level.changed = TRUE;
13036 }
13037
13038 static void HandleControlButtons(struct GadgetInfo *gi)
13039 {
13040   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
13041   static int last_edit_mode = ED_MODE_DRAWING;
13042   static int last_custom_copy_mode = -1;
13043   static int last_button = 0;
13044   int id = gi->custom_id;
13045   int button = gi->event.button;
13046   int step = BUTTON_STEPSIZE(button);
13047   int new_element = BUTTON_ELEMENT(button);
13048   int last_properties_element = properties_element;
13049   int x, y;
13050
13051   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
13052     DrawLevelText(0, 0, 0, TEXT_END);
13053
13054   if (id < ED_NUM_CTRL1_BUTTONS &&
13055       id != GADGET_ID_SINGLE_ITEMS &&
13056       id != GADGET_ID_PICK_ELEMENT &&
13057       edit_mode != ED_MODE_DRAWING &&
13058       drawing_function != GADGET_ID_PICK_ELEMENT &&
13059       !(GetKeyModState() & KMOD_Control))
13060     ChangeEditModeWindow(ED_MODE_DRAWING);
13061
13062   /* element copy mode active, but no element button pressed => deactivate */
13063   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
13064     last_custom_copy_mode = -1;
13065
13066   /* when showing palette on element buttons, change element of button used */
13067   if (editor.palette.show_on_element_buttons &&
13068       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
13069   {
13070     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
13071
13072     id = GADGET_ID_PALETTE;
13073   }
13074
13075   switch (id)
13076   {
13077     case GADGET_ID_SCROLL_LEFT:
13078       if (level_xpos >= 0)
13079       {
13080         if (lev_fieldx < ed_fieldx - 2)
13081           break;
13082
13083         level_xpos -= step;
13084         if (level_xpos < -1)
13085           level_xpos = -1;
13086         if (button == 1)
13087           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
13088         else
13089           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13090
13091         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13092                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13093       }
13094       break;
13095
13096     case GADGET_ID_SCROLL_RIGHT:
13097       if (level_xpos <= lev_fieldx - ed_fieldx)
13098       {
13099         if (lev_fieldx < ed_fieldx - 2)
13100           break;
13101
13102         level_xpos += step;
13103         if (level_xpos > lev_fieldx - ed_fieldx + 1)
13104           level_xpos = lev_fieldx - ed_fieldx + 1;
13105         if (button == 1)
13106           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
13107         else
13108           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13109
13110         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
13111                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
13112       }
13113       break;
13114
13115     case GADGET_ID_SCROLL_UP:
13116       if (level_ypos >= 0)
13117       {
13118         if (lev_fieldy < ed_fieldy - 2)
13119           break;
13120
13121         level_ypos -= step;
13122         if (level_ypos < -1)
13123           level_ypos = -1;
13124         if (button == 1)
13125           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
13126         else
13127           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13128
13129         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13130                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13131       }
13132       break;
13133
13134     case GADGET_ID_SCROLL_DOWN:
13135       if (level_ypos <= lev_fieldy - ed_fieldy)
13136       {
13137         if (lev_fieldy < ed_fieldy - 2)
13138           break;
13139
13140         level_ypos += step;
13141         if (level_ypos > lev_fieldy - ed_fieldy + 1)
13142           level_ypos = lev_fieldy - ed_fieldy + 1;
13143         if (button == 1)
13144           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
13145         else
13146           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13147
13148         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
13149                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
13150       }
13151       break;
13152
13153     case GADGET_ID_SCROLL_HORIZONTAL:
13154       level_xpos = gi->event.item_position - 1;
13155
13156       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13157       BackToFront();
13158
13159       break;
13160
13161     case GADGET_ID_SCROLL_VERTICAL:
13162       level_ypos = gi->event.item_position - 1;
13163
13164       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13165       BackToFront();
13166
13167       break;
13168
13169     case GADGET_ID_SCROLL_LIST_UP:
13170     case GADGET_ID_SCROLL_LIST_DOWN:
13171     case GADGET_ID_SCROLL_LIST_VERTICAL:
13172       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
13173         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
13174       else
13175       {
13176         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
13177         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13178
13179         if (element_shift < 0)
13180           element_shift = 0;
13181         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13182           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13183
13184         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13185                      GDI_SCROLLBAR_ITEM_POSITION,
13186                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13187       }
13188
13189       ModifyEditorElementList();
13190
13191       break;
13192
13193     case GADGET_ID_PROPERTIES:
13194       // always switch off element properties when they are already displayed
13195       last_properties_element = new_element;
13196     case GADGET_ID_ELEMENT_LEFT:
13197     case GADGET_ID_ELEMENT_MIDDLE:
13198     case GADGET_ID_ELEMENT_RIGHT:
13199       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
13200                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
13201                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
13202                             new_element);
13203
13204       if (edit_mode != ED_MODE_PROPERTIES)
13205       {
13206         last_edit_mode = edit_mode;
13207
13208         ChangeEditModeWindow(ED_MODE_PROPERTIES);
13209
13210         last_level_drawing_function = drawing_function;
13211         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
13212                       MB_LEFTBUTTON);
13213       }
13214       else if (properties_element != last_properties_element)
13215       {
13216         DrawEditModeWindow();
13217       }
13218       else
13219       {
13220         ChangeEditModeWindow(last_edit_mode);
13221
13222         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
13223                       MB_LEFTBUTTON);
13224       }
13225       break;
13226
13227     case GADGET_ID_PALETTE:
13228       if (edit_mode != ED_MODE_PALETTE)
13229       {
13230         last_edit_mode = edit_mode;
13231
13232         ChangeEditModeWindow(ED_MODE_PALETTE);
13233       }
13234       else
13235       {
13236         ChangeEditModeWindow(last_edit_mode);
13237       }
13238       break;
13239
13240     case GADGET_ID_WRAP_LEFT:
13241       WrapLevel(-step, 0);
13242       break;
13243
13244     case GADGET_ID_WRAP_RIGHT:
13245       WrapLevel(step, 0);
13246       break;
13247
13248     case GADGET_ID_WRAP_UP:
13249       WrapLevel(0, -step);
13250       break;
13251
13252     case GADGET_ID_WRAP_DOWN:
13253       WrapLevel(0, step);
13254       break;
13255
13256     case GADGET_ID_SINGLE_ITEMS:
13257     case GADGET_ID_CONNECTED_ITEMS:
13258     case GADGET_ID_LINE:
13259     case GADGET_ID_ARC:
13260     case GADGET_ID_TEXT:
13261     case GADGET_ID_RECTANGLE:
13262     case GADGET_ID_FILLED_BOX:
13263     case GADGET_ID_FLOOD_FILL:
13264     case GADGET_ID_GRAB_BRUSH:
13265     case GADGET_ID_PICK_ELEMENT:
13266       if (drawing_function != GADGET_ID_PICK_ELEMENT)
13267         last_drawing_function = drawing_function;
13268       drawing_function = id;
13269       draw_with_brush = FALSE;
13270       break;
13271
13272     case GADGET_ID_RANDOM_PLACEMENT:
13273       RandomPlacement(new_element);
13274       break;
13275
13276     case GADGET_ID_ZOOM:
13277       // zoom level editor tile size in or out (or reset to default size)
13278       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
13279                      button == 2 ? ed_tilesize_default :
13280                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
13281
13282       // limit zoom level by upper and lower bound
13283       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
13284
13285       InitZoomLevelSettings(ed_tilesize);
13286
13287       if (edit_mode == ED_MODE_DRAWING)
13288       {
13289         DrawDrawingWindow();
13290
13291         /* redraw zoom gadget info text */
13292         PrintEditorGadgetInfoText(level_editor_gadget[id]);
13293       }
13294
13295       /* save current editor zoom tilesize */
13296       SaveSetup_AutoSetup();
13297
13298       break;
13299
13300     case GADGET_ID_CUSTOM_COPY_FROM:
13301     case GADGET_ID_CUSTOM_COPY_TO:
13302     case GADGET_ID_CUSTOM_EXCHANGE:
13303       last_custom_copy_mode = id;
13304       last_drawing_function = drawing_function;
13305       break;
13306
13307     case GADGET_ID_CUSTOM_COPY:
13308       CopyCustomElement(properties_element, -1, id);
13309       break;
13310
13311     case GADGET_ID_CUSTOM_PASTE:
13312       CopyCustomElement(-1, properties_element, id);
13313       break;
13314
13315     case GADGET_ID_UNDO:
13316       if (button == 1 && GetKeyModState() & (KMOD_Shift|KMOD_Control))
13317         button = 3;
13318
13319       if (button == 1 && undo_buffer_steps == 0)
13320       {
13321         Request("Undo buffer empty!", REQ_CONFIRM);
13322
13323         break;
13324       }
13325       else if (button == 2)
13326       {
13327         break;
13328       }
13329       else if (button == 3 && redo_buffer_steps == 0)
13330       {
13331         Request("Redo buffer empty!", REQ_CONFIRM);
13332
13333         break;
13334       }
13335
13336       if (edit_mode != ED_MODE_DRAWING)
13337         ChangeEditModeWindow(ED_MODE_DRAWING);
13338
13339       if (button == 1)
13340       {
13341         /* undo */
13342
13343         undo_buffer_position =
13344           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
13345
13346         undo_buffer_steps--;
13347         redo_buffer_steps++;
13348       }
13349       else
13350       {
13351         /* redo */
13352
13353         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13354
13355         undo_buffer_steps++;
13356         redo_buffer_steps--;
13357       }
13358
13359       for (x = 0; x < lev_fieldx; x++)
13360         for (y = 0; y < lev_fieldy; y++)
13361           Feld[x][y] = UndoBuffer[undo_buffer_position][x][y];
13362
13363       /* check if undo operation forces change of border style */
13364       CheckLevelBorderElement(FALSE);
13365
13366       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13367
13368       break;
13369
13370     case GADGET_ID_INFO:
13371       if (edit_mode != ED_MODE_INFO)
13372       {
13373         last_edit_mode = edit_mode;
13374
13375         ChangeEditModeWindow(ED_MODE_INFO);
13376       }
13377       else
13378       {
13379         ChangeEditModeWindow(last_edit_mode);
13380       }
13381       break;
13382
13383     case GADGET_ID_CLEAR:
13384       if (edit_mode != ED_MODE_DRAWING)
13385         ChangeEditModeWindow(ED_MODE_DRAWING);
13386
13387       for (x = 0; x < MAX_LEV_FIELDX; x++)
13388         for (y = 0; y < MAX_LEV_FIELDY; y++)
13389           Feld[x][y] = (button == 1 ? EL_EMPTY : new_element);
13390
13391       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
13392
13393       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13394       break;
13395
13396     case GADGET_ID_SAVE:
13397     {
13398       /* saving read-only levels into personal level set modifies global vars
13399          "leveldir_current" and "level_nr"; restore them after saving level */
13400       LevelDirTree *leveldir_former = leveldir_current;
13401       int level_nr_former = level_nr;
13402       char *level_filename;
13403       boolean new_level;
13404
13405       if (leveldir_current->readonly &&
13406           !PrepareSavingIntoPersonalLevelSet())
13407         break;
13408
13409       level_filename = getDefaultLevelFilename(level_nr);
13410       new_level = !fileExists(level_filename);
13411
13412       if (new_level ||
13413           Request("Save this level and kill the old?", REQ_ASK))
13414       {
13415         if (leveldir_former->readonly)
13416           ModifyLevelInfoForSavingIntoPersonalLevelSet(leveldir_former->name);
13417
13418         SetAutomaticNumberOfGemsNeeded();
13419
13420         CopyPlayfield(Feld, level.field);
13421         SaveLevel(level_nr);
13422
13423         level.changed = FALSE;
13424
13425         if (new_level)
13426         {
13427           char level_saved_msg[64];
13428
13429           if (leveldir_former->readonly)
13430             sprintf(level_saved_msg,
13431                     "Level saved as level %d into personal level set!",
13432                     level_nr);
13433           else
13434             strcpy(level_saved_msg, "Level saved!");
13435
13436           Request(level_saved_msg, REQ_CONFIRM);
13437         }
13438       }
13439
13440       /* "cd" back to copied-from levelset (in case of saved read-only level) */
13441       leveldir_current = leveldir_former;
13442       level_nr = level_nr_former;
13443
13444       break;
13445     }
13446
13447     case GADGET_ID_TEST:
13448       if (LevelChanged())
13449         level.game_version = GAME_VERSION_ACTUAL;
13450
13451       CopyPlayfield(level.field, FieldBackup);
13452       CopyPlayfield(Feld, level.field);
13453
13454       CopyNativeLevel_RND_to_Native(&level);
13455
13456       UnmapLevelEditorGadgets();
13457       UndrawSpecialEditorDoor();
13458
13459       CloseDoor(DOOR_CLOSE_ALL);
13460
13461       /* needed before playing if editor playfield area has different size */
13462       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
13463
13464       // redraw_mask = REDRAW_ALL;
13465
13466       level_editor_test_game = TRUE;
13467
13468       StartGameActions(FALSE, setup.autorecord, level.random_seed);
13469
13470       break;
13471
13472     case GADGET_ID_EXIT:
13473       RequestExitLevelEditor(TRUE, FALSE);  /* if level has changed, ask user */
13474       break;
13475
13476     default:
13477       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
13478           id <= GADGET_ID_ELEMENTLIST_LAST)
13479       {
13480         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
13481         int new_element = editor_elements[element_position + element_shift];
13482
13483         if (IS_EDITOR_CASCADE(new_element))
13484         {
13485           int i;
13486
13487           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
13488           {
13489             int *cascade_element= &(*editor_elements_info[i].headline_list)[0];
13490             boolean *cascade_value=editor_elements_info[i].setup_cascade_value;
13491
13492             if (*cascade_element == new_element)
13493             {
13494               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
13495               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
13496
13497               /* update element selection list */
13498               ReinitializeElementList();
13499               ModifyEditorElementList();
13500
13501               /* update cascading gadget info text */
13502               PrintEditorGadgetInfoText(level_editor_gadget[id]);
13503
13504               /* save current editor cascading state */
13505               SaveSetup_EditorCascade();
13506
13507               break;
13508             }
13509           }
13510
13511           break;
13512         }
13513
13514         if (last_custom_copy_mode != -1)
13515         {
13516           if (CopyCustomElement(properties_element, new_element,
13517                                 last_custom_copy_mode))
13518           {
13519             ClickOnGadget(level_editor_gadget[last_drawing_function],
13520                           MB_LEFTBUTTON);
13521
13522             last_custom_copy_mode = -1;
13523           }
13524
13525           break;
13526         }
13527
13528         /* change element of button used to show palette */
13529         if (editor.palette.show_on_element_buttons)
13530           button = last_button;
13531
13532         PickDrawingElement(button, new_element);
13533
13534         if (!stick_element_properties_window &&
13535             drawing_function != GADGET_ID_PICK_ELEMENT &&
13536             !(GetKeyModState() & KMOD_Control))
13537         {
13538           properties_element = new_element;
13539           if (edit_mode == ED_MODE_PROPERTIES)
13540             DrawPropertiesWindow();
13541         }
13542
13543         if (drawing_function == GADGET_ID_PICK_ELEMENT)
13544           ClickOnGadget(level_editor_gadget[last_drawing_function],
13545                         MB_LEFTBUTTON);
13546
13547         if (!use_permanent_palette)
13548           ChangeEditModeWindow(last_edit_mode);
13549       }
13550 #ifdef DEBUG
13551       else if (gi->event.type == GD_EVENT_PRESSED)
13552         printf("default: HandleControlButtons: GD_EVENT_PRESSED(%d)\n", id);
13553       else if (gi->event.type == GD_EVENT_RELEASED)
13554         printf("default: HandleControlButtons: GD_EVENT_RELEASED(%d)\n", id);
13555       else if (gi->event.type == GD_EVENT_MOVING)
13556         printf("default: HandleControlButtons: GD_EVENT_MOVING(%d)\n", id);
13557       else
13558         printf("default: HandleControlButtons: ? (id == %d)\n", id);
13559 #endif
13560       break;
13561   }
13562 }
13563
13564 void HandleLevelEditorKeyInput(Key key)
13565 {
13566   char letter = getCharFromKey(key);
13567   int button = MB_LEFTBUTTON;
13568
13569   if (drawing_function == GADGET_ID_TEXT &&
13570       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
13571   {
13572     if (letter)
13573       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
13574     else if (key == KSYM_Delete || key == KSYM_BackSpace)
13575       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
13576     else if (key == KSYM_Return)
13577       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
13578     else if (key == KSYM_Escape)
13579       DrawLevelText(0, 0, 0, TEXT_END);
13580   }
13581   else if (button_status == MB_RELEASED)
13582   {
13583     int id = GADGET_ID_NONE;
13584     int new_element_shift = element_shift;
13585     int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
13586     int i;
13587
13588     switch (key)
13589     {
13590       case KSYM_Left:
13591         id = GADGET_ID_SCROLL_LEFT;
13592         break;
13593       case KSYM_Right:
13594         id = GADGET_ID_SCROLL_RIGHT;
13595         break;
13596       case KSYM_Up:
13597         id = GADGET_ID_SCROLL_UP;
13598         break;
13599       case KSYM_Down:
13600         id = GADGET_ID_SCROLL_DOWN;
13601         break;
13602
13603       case KSYM_Page_Up:
13604       case KSYM_Page_Down:
13605         step *= (key == KSYM_Page_Up ? -1 : +1);
13606         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
13607
13608         if (element_shift < 0)
13609           element_shift = 0;
13610         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13611           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13612
13613         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13614                      GDI_SCROLLBAR_ITEM_POSITION,
13615                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13616
13617         ModifyEditorElementList();
13618
13619         break;
13620
13621       case KSYM_Home:
13622       case KSYM_End:
13623         element_shift = (key == KSYM_Home ? 0 :
13624                          num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
13625
13626         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13627                      GDI_SCROLLBAR_ITEM_POSITION,
13628                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13629
13630         ModifyEditorElementList();
13631
13632         break;
13633
13634       case KSYM_Insert:
13635       case KSYM_Delete:
13636
13637         /* this is needed to prevent interference with running "True X-Mouse" */
13638         if (GetKeyModStateFromEvents() & KMOD_Control)
13639           break;
13640
13641         /* check for last or next editor cascade block in element list */
13642         for (i = 0; i < num_editor_elements; i++)
13643         {
13644           if ((key == KSYM_Insert && i == element_shift) ||
13645               (key == KSYM_Delete && new_element_shift > element_shift))
13646             break;
13647
13648           /* jump to next cascade block (or to start of element list) */
13649           if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
13650             new_element_shift = i;
13651         }
13652
13653         if (i < num_editor_elements)
13654           element_shift = new_element_shift;
13655
13656         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
13657           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
13658
13659         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
13660                      GDI_SCROLLBAR_ITEM_POSITION,
13661                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
13662
13663         ModifyEditorElementList();
13664
13665         break;
13666
13667       case KSYM_Escape:
13668         if (edit_mode == ED_MODE_DRAWING)
13669         {
13670           RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
13671         }
13672         else if (edit_mode == ED_MODE_INFO)
13673         {
13674           HandleControlButtons(level_editor_gadget[GADGET_ID_INFO]);
13675         }
13676         else if (edit_mode == ED_MODE_PROPERTIES)
13677         {
13678           HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
13679         }
13680         else if (edit_mode == ED_MODE_PALETTE)
13681         {
13682           HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
13683         }
13684         else            /* should never happen */
13685         {
13686           ChangeEditModeWindow(ED_MODE_DRAWING);
13687         }
13688
13689         break;
13690
13691       default:
13692         break;
13693     }
13694
13695     if (id != GADGET_ID_NONE)
13696       ClickOnGadget(level_editor_gadget[id], button);
13697     else if (letter == '1' || letter == '?')
13698       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
13699     else if (letter == '2')
13700       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
13701     else if (letter == '3')
13702       ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
13703     else if (letter == '.')
13704       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
13705     else if (letter == 'U')
13706       ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13707     else if (letter == '-' || key == KSYM_KP_Subtract)
13708       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
13709     else if (letter == '0' || key == KSYM_KP_0)
13710       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
13711     else if (letter == '+' || key == KSYM_KP_Add ||
13712              letter == '=')     // ("Shift-=" is "+" on US keyboards)
13713       ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
13714     else if (key == KSYM_Return ||
13715              key == KSYM_space ||
13716              key == setup.shortcut.toggle_pause)
13717       ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
13718     else
13719       for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
13720         if (letter && letter == controlbutton_info[i].shortcut)
13721           if (!anyTextGadgetActive())
13722             ClickOnGadget(level_editor_gadget[i], button);
13723   }
13724 }
13725
13726 void HandleLevelEditorIdle()
13727 {
13728   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
13729   int x = editor.settings.element_graphic.x + element_border;
13730   int y = editor.settings.element_graphic.y + element_border;
13731   static unsigned int action_delay = 0;
13732   unsigned int action_delay_value = GameFrameDelay;
13733   int i;
13734
13735   if (edit_mode != ED_MODE_PROPERTIES)
13736     return;
13737
13738   if (!DelayReached(&action_delay, action_delay_value))
13739     return;
13740
13741   for (i = 0; i < ED_NUM_SELECTBOX; i++)
13742   {
13743     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
13744
13745     if (gi->mapped && gi->active && gi->selectbox.open)
13746       return;
13747   }
13748
13749   DrawEditorElementAnimation(SX + x, SY + y);
13750
13751   redraw_mask |= REDRAW_FIELD;
13752
13753   FrameCounter++;       /* increase animation frame counter */
13754 }
13755
13756 static void ClearEditorGadgetInfoText()
13757 {
13758   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
13759 }
13760
13761 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
13762 {
13763   char infotext[MAX_OUTPUT_LINESIZE + 1];
13764   char shortcut[MAX_OUTPUT_LINESIZE + 1];
13765   int max_infotext_len = getMaxInfoTextLength();
13766
13767   if (gi == NULL || strlen(gi->info_text) == 0)
13768     return;
13769
13770   strncpy(infotext, gi->info_text, max_infotext_len);
13771   infotext[max_infotext_len] = '\0';
13772
13773   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
13774   {
13775     int key = controlbutton_info[gi->custom_id].shortcut;
13776
13777     if (key)
13778     {
13779       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
13780         sprintf(shortcut, " ('.' or '%c')", key);
13781       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
13782         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
13783       else if (gi->custom_id == GADGET_ID_TEST)
13784         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
13785       else if (gi->custom_id == GADGET_ID_UNDO)
13786         sprintf(shortcut, " ('%c/Shift-U')", key);
13787       else if (gi->custom_id == GADGET_ID_ZOOM)
13788         sprintf(shortcut, " ('%c', '0', '-')", key);
13789       else
13790         sprintf(shortcut, " ('%s%c')",
13791                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
13792
13793       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
13794         strcat(infotext, shortcut);
13795     }
13796   }
13797
13798   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
13799 }
13800
13801 void HandleEditorGadgetInfoText(void *ptr)
13802 {
13803   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
13804
13805   if (game_status != GAME_MODE_EDITOR)
13806     return;
13807
13808   ClearEditorGadgetInfoText();
13809
13810   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
13811     return;
13812
13813   /* misuse this function to delete brush cursor, if needed */
13814   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
13815     DeleteBrushFromCursor();
13816
13817   PrintEditorGadgetInfoText(gi);
13818 }
13819
13820 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
13821 {
13822   static int start_lx, start_ly;
13823   int id = gi->custom_id;
13824   int type_id = gi->custom_type_id;
13825   int sx = gi->event.x;
13826   int sy = gi->event.y;
13827   int lx = sx + level_xpos;
13828   int ly = sy + level_ypos;
13829   int min_sx = 0, min_sy = 0;
13830   int max_sx = gi->drawing.area_xsize - 1;
13831   int max_sy = gi->drawing.area_ysize - 1;
13832   int actual_drawing_function = drawing_function;
13833   int max_infotext_len = getMaxInfoTextLength();
13834   char infotext[MAX_OUTPUT_LINESIZE + 1];
13835   char *text;
13836
13837   infotext[0] = '\0';           /* start with empty info text */
13838
13839   /* pressed Control key: simulate picking element */
13840   if (GetKeyModState() & KMOD_Control)
13841     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
13842
13843   ClearEditorGadgetInfoText();
13844
13845   if (gi->event.type == GD_EVENT_INFO_LEAVING)
13846     return;
13847
13848   /* make sure to stay inside drawing area boundaries */
13849   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
13850   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
13851
13852   if (id == GADGET_ID_DRAWING_LEVEL)
13853   {
13854     if (button_status)
13855     {
13856       int min_lx = 0, min_ly = 0;
13857       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
13858
13859       /* get positions inside level field */
13860       lx = sx + level_xpos;
13861       ly = sy + level_ypos;
13862
13863       /* make sure to stay inside level field boundaries */
13864       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
13865       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
13866
13867       /* correct drawing area positions accordingly */
13868       sx = lx - level_xpos;
13869       sy = ly - level_ypos;
13870     }
13871
13872     if (IN_ED_FIELD(sx,sy) && IN_LEV_FIELD(lx, ly))
13873     {
13874       if (button_status)        /* if (gi->state == GD_BUTTON_PRESSED) */
13875       {
13876         if (gi->event.type == GD_EVENT_PRESSED)
13877         {
13878           start_lx = lx;
13879           start_ly = ly;
13880         }
13881
13882         switch (actual_drawing_function)
13883         {
13884           case GADGET_ID_SINGLE_ITEMS:
13885             text = "Drawing single items";
13886             break;
13887           case GADGET_ID_CONNECTED_ITEMS:
13888             text = "Drawing connected items";
13889             break;
13890           case GADGET_ID_LINE:
13891             text = "Drawing line";
13892             break;
13893           case GADGET_ID_ARC:
13894             text = "Drawing arc";
13895             break;
13896           case GADGET_ID_TEXT:
13897             text = "Setting text cursor";
13898             break;
13899           case GADGET_ID_RECTANGLE:
13900             text = "Drawing rectangle";
13901             break;
13902           case GADGET_ID_FILLED_BOX:
13903             text = "Drawing filled box";
13904             break;
13905           case GADGET_ID_FLOOD_FILL:
13906             text = "Flood fill";
13907             break;
13908           case GADGET_ID_GRAB_BRUSH:
13909             text = "Grabbing brush";
13910             break;
13911           case GADGET_ID_PICK_ELEMENT:
13912             text = "Picking element";
13913             break;
13914
13915           default:
13916             text = "Drawing position";
13917             break;
13918         }
13919
13920         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13921           sprintf(infotext, "%s: %d, %d", text, lx, ly);
13922         else
13923           sprintf(infotext, "%s: %d, %d", text,
13924                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
13925       }
13926       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13927         strncpy(infotext, getElementInfoText(Feld[lx][ly]), max_infotext_len);
13928       else
13929         sprintf(infotext, "Level position: %d, %d", lx, ly);
13930     }
13931
13932     /* misuse this function to draw brush cursor, if needed */
13933     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
13934     {
13935       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13936         CopyBrushToCursor(sx, sy);
13937       else
13938         DeleteBrushFromCursor();
13939     }
13940   }
13941   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
13942   {
13943     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
13944     int element = drawingarea_info[type_id].value[pos];
13945
13946     strncpy(infotext, getElementInfoText(element), max_infotext_len);
13947   }
13948   else
13949   {
13950     if (id == GADGET_ID_CUSTOM_CONTENT)
13951       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
13952     else if (id == GADGET_ID_GROUP_CONTENT)
13953       sprintf(infotext, "group element position: %d", sx + 1);
13954     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
13955              id <= GADGET_ID_YAMYAM_CONTENT_7)
13956       sprintf(infotext, "content area %d position: %d, %d",
13957               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
13958     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
13959              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
13960       sprintf(infotext, "content area %d position: %d, %d",
13961               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
13962     else if (id == GADGET_ID_ANDROID_CONTENT)
13963       sprintf(infotext, "android element position: %d", sx + 1);
13964     else if (drawingarea_info[type_id].infotext != NULL)
13965       strcpy(infotext, drawingarea_info[type_id].infotext);
13966   }
13967
13968   infotext[max_infotext_len] = '\0';
13969
13970   if (strlen(infotext) > 0)
13971     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
13972 }
13973
13974 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
13975                             boolean quick_quit)
13976 {
13977   if (!ask_if_level_has_changed ||
13978       !LevelChanged() ||
13979       Request("Level has changed! Exit without saving?",
13980               REQ_ASK | REQ_STAY_OPEN))
13981   {
13982     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
13983     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
13984
13985     /* draw normal door */
13986     UndrawSpecialEditorDoor();
13987
13988     // use door animation if door 1 viewport is unchanged and contains toolbox
13989     if (useEditorDoorAnimation())
13990       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
13991
13992     // close editor doors if viewport definition is the same as in main menu
13993     if (vp_door_1->x      == DX     &&
13994         vp_door_1->y      == DY     &&
13995         vp_door_1->width  == DXSIZE &&
13996         vp_door_1->height == DYSIZE &&
13997         vp_door_2->x      == VX     &&
13998         vp_door_2->y      == VY     &&
13999         vp_door_2->width  == VXSIZE &&
14000         vp_door_2->height == VYSIZE)
14001       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
14002     else
14003       SetDoorState(DOOR_CLOSE_2);
14004
14005     BackToFront();
14006
14007     if (quick_quit)
14008       FadeSkipNextFadeIn();
14009
14010     SetGameStatus(GAME_MODE_MAIN);
14011
14012     DrawMainMenu();
14013   }
14014   else
14015   {
14016     if (!global.use_envelope_request)
14017     {
14018       CloseDoor(DOOR_CLOSE_1);
14019       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
14020     }
14021   }
14022 }