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