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 //                  https://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 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_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 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,
 561   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 562   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 563   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 564   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 565   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 566   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 567   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 568   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 569   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 570   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 571   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 572   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 573   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
 574   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
 575   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
 576   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
 577   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
 578   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
 579   GADGET_ID_BD_ACID_EATS_ELEMENT,
 580   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 581   GADGET_ID_BD_BITER_EATS_ELEMENT,
 582   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 583   GADGET_ID_BD_NUT_CONTENT,
 584   GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
 585   GADGET_ID_START_ELEMENT,
 586   GADGET_ID_ARTWORK_ELEMENT,
 587   GADGET_ID_EXPLOSION_ELEMENT,
 588   GADGET_ID_INVENTORY_CONTENT,
 589   GADGET_ID_MM_BALL_CONTENT,
 590   GADGET_ID_CUSTOM_GRAPHIC,
 591   GADGET_ID_CUSTOM_CONTENT,
 592   GADGET_ID_CUSTOM_MOVE_ENTER,
 593   GADGET_ID_CUSTOM_MOVE_LEAVE,
 594   GADGET_ID_CUSTOM_CHANGE_TARGET,
 595   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 596   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 597   GADGET_ID_CUSTOM_CHANGE_ACTION,
 598   GADGET_ID_GROUP_CONTENT,
 599   GADGET_ID_RANDOM_BACKGROUND,
 600
 601   // text input identifiers
 602
 603   GADGET_ID_LEVEL_NAME,
 604   GADGET_ID_LEVEL_AUTHOR,
 605   GADGET_ID_LEVELSET_NAME,
 606   GADGET_ID_LEVELSET_AUTHOR,
 607   GADGET_ID_ELEMENT_NAME,
 608
 609   // text area identifiers
 610
 611   GADGET_ID_ENVELOPE_INFO,
 612
 613   // selectbox identifiers
 614
 615   GADGET_ID_TIME_OR_STEPS,
 616   GADGET_ID_TIME_SCORE_BASE,
 617   GADGET_ID_GAME_ENGINE_TYPE,
 618   GADGET_ID_BD_SCHEDULING_TYPE,
 619   GADGET_ID_LEVELSET_SAVE_MODE,
 620   GADGET_ID_WIND_DIRECTION,
 621   GADGET_ID_PLAYER_SPEED,
 622   GADGET_ID_MM_BALL_CHOICE_MODE,
 623   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 624   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 625   GADGET_ID_CUSTOM_DEADLINESS,
 626   GADGET_ID_CUSTOM_MOVE_PATTERN,
 627   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 628   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 629   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 630   GADGET_ID_CUSTOM_SMASH_TARGETS,
 631   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 632   GADGET_ID_CUSTOM_ACCESS_TYPE,
 633   GADGET_ID_CUSTOM_ACCESS_LAYER,
 634   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 635   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 636   GADGET_ID_CHANGE_TIME_UNITS,
 637   GADGET_ID_CHANGE_DIRECT_ACTION,
 638   GADGET_ID_CHANGE_OTHER_ACTION,
 639   GADGET_ID_CHANGE_SIDE,
 640   GADGET_ID_CHANGE_PLAYER,
 641   GADGET_ID_CHANGE_PAGE,
 642   GADGET_ID_CHANGE_REPLACE_WHEN,
 643   GADGET_ID_ACTION_TYPE,
 644   GADGET_ID_ACTION_MODE,
 645   GADGET_ID_ACTION_ARG,
 646   GADGET_ID_SELECT_CHANGE_PAGE,
 647   GADGET_ID_GROUP_CHOICE_MODE,
 648
 649   // textbutton identifiers
 650
 651   GADGET_ID_LEVELCONFIG_LEVEL,
 652   GADGET_ID_LEVELCONFIG_LEVELSET,
 653   GADGET_ID_LEVELCONFIG_EDITOR,
 654   GADGET_ID_LEVELCONFIG_ENGINE,
 655   GADGET_ID_PROPERTIES_INFO,
 656   GADGET_ID_PROPERTIES_CONFIG,
 657   GADGET_ID_PROPERTIES_CONFIG_1,
 658   GADGET_ID_PROPERTIES_CONFIG_2,
 659   GADGET_ID_PROPERTIES_CHANGE,
 660   GADGET_ID_SAVE_AS_TEMPLATE_1,
 661   GADGET_ID_SAVE_AS_TEMPLATE_2,
 662   GADGET_ID_SAVE_LEVELSET,
 663   GADGET_ID_ADD_CHANGE_PAGE,
 664   GADGET_ID_DEL_CHANGE_PAGE,
 665
 666   // graphicbutton identifiers
 667
 668   GADGET_ID_PREV_CHANGE_PAGE,
 669   GADGET_ID_NEXT_CHANGE_PAGE,
 670   GADGET_ID_COPY_CHANGE_PAGE,
 671   GADGET_ID_PASTE_CHANGE_PAGE,
 672
 673   // gadgets for scrolling of drawing area
 674
 675   GADGET_ID_SCROLL_UP,
 676   GADGET_ID_SCROLL_DOWN,
 677   GADGET_ID_SCROLL_LEFT,
 678   GADGET_ID_SCROLL_RIGHT,
 679   GADGET_ID_SCROLL_HORIZONTAL,
 680   GADGET_ID_SCROLL_VERTICAL,
 681
 682   // gadgets for scrolling element list
 683
 684   GADGET_ID_SCROLL_LIST_UP,
 685   GADGET_ID_SCROLL_LIST_DOWN,
 686   GADGET_ID_SCROLL_LIST_VERTICAL,
 687
 688   // checkbuttons/radiobuttons for level/element properties
 689
 690   GADGET_ID_AUTO_COUNT_GEMS,
 691   GADGET_ID_RATE_TIME_OVER_SCORE,
 692   GADGET_ID_USE_LEVELSET_ARTWORK,
 693   GADGET_ID_COPY_LEVEL_TEMPLATE,
 694   GADGET_ID_RANDOM_PERCENTAGE,
 695   GADGET_ID_RANDOM_QUANTITY,
 696   GADGET_ID_RANDOM_RESTRICTED,
 697   GADGET_ID_BD_INTERMISSION,
 698   GADGET_ID_BD_PAL_TIMING,
 699   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 700   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 701   GADGET_ID_BD_SHORT_EXPLOSIONS,
 702   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 703   GADGET_ID_STICK_ELEMENT,
 704   GADGET_ID_EM_SLIPPERY_GEMS,
 705   GADGET_ID_EM_EXPLODES_BY_FIRE,
 706   GADGET_ID_USE_SPRING_BUG,
 707   GADGET_ID_USE_TIME_ORB_BUG,
 708   GADGET_ID_USE_LIFE_BUGS,
 709   GADGET_ID_RANDOM_BALL_CONTENT,
 710   GADGET_ID_INITIAL_BALL_ACTIVE,
 711   GADGET_ID_GROW_INTO_DIGGABLE,
 712   GADGET_ID_SB_FIELDS_NEEDED,
 713   GADGET_ID_SB_OBJECTS_NEEDED,
 714   GADGET_ID_AUTO_EXIT_SOKOBAN,
 715   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 716   GADGET_ID_FINISH_DIG_COLLECT,
 717   GADGET_ID_KEEP_WALKABLE_CE,
 718   GADGET_ID_CONTINUOUS_SNAPPING,
 719   GADGET_ID_BLOCK_SNAP_FIELD,
 720   GADGET_ID_BLOCK_LAST_FIELD,
 721   GADGET_ID_SP_BLOCK_LAST_FIELD,
 722   GADGET_ID_INSTANT_RELOCATION,
 723   GADGET_ID_SHIFTED_RELOCATION,
 724   GADGET_ID_LAZY_RELOCATION,
 725   GADGET_ID_USE_START_ELEMENT,
 726   GADGET_ID_USE_ARTWORK_ELEMENT,
 727   GADGET_ID_USE_EXPLOSION_ELEMENT,
 728   GADGET_ID_INITIAL_GRAVITY,
 729   GADGET_ID_USE_INITIAL_INVENTORY,
 730   GADGET_ID_CAN_PASS_TO_WALKABLE,
 731   GADGET_ID_CAN_FALL_INTO_ACID,
 732   GADGET_ID_CAN_MOVE_INTO_ACID,
 733   GADGET_ID_DONT_COLLIDE_WITH,
 734   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 735   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 736   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 737   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 738   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 739   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 740   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 741   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 742   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 743   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 744   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 745   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 746   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 747   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 748   GADGET_ID_BD_REPLICATORS_ACTIVE,
 749   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 750   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 751   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 752   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 753   GADGET_ID_ENVELOPE_AUTOWRAP,
 754   GADGET_ID_ENVELOPE_CENTERED,
 755   GADGET_ID_MM_LASER_RED,
 756   GADGET_ID_MM_LASER_GREEN,
 757   GADGET_ID_MM_LASER_BLUE,
 758   GADGET_ID_DF_LASER_RED,
 759   GADGET_ID_DF_LASER_GREEN,
 760   GADGET_ID_DF_LASER_BLUE,
 761   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 762   GADGET_ID_EXPLODE_MM_BALL,
 763   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 764   GADGET_ID_CUSTOM_CAN_EXPLODE,
 765   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 766   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 767   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 768   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 769   GADGET_ID_CUSTOM_DEADLY,
 770   GADGET_ID_CUSTOM_CAN_MOVE,
 771   GADGET_ID_CUSTOM_CAN_FALL,
 772   GADGET_ID_CUSTOM_CAN_SMASH,
 773   GADGET_ID_CUSTOM_SLIPPERY,
 774   GADGET_ID_CUSTOM_ACCESSIBLE,
 775   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 776   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 777   GADGET_ID_CUSTOM_USE_GRAPHIC,
 778   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 779   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 780   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 781   GADGET_ID_CUSTOM_CAN_CHANGE,
 782   GADGET_ID_CHANGE_USE_CONTENT,
 783   GADGET_ID_CHANGE_USE_EXPLOSION,
 784   GADGET_ID_CHANGE_ONLY_COMPLETE,
 785   GADGET_ID_CHANGE_USE_RANDOM,
 786   GADGET_ID_CHANGE_HAS_ACTION,
 787   GADGET_ID_CHANGE_DELAY,
 788   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 789   GADGET_ID_CHANGE_BY_OTHER_ACT,
 790
 791   NUM_STATIC_GADGET_IDS
 792 };
 793
 794 // gadgets for buttons in element list (dynamic)
 795 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 796 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 797                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 798
 799 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 800
 801 // radio button numbers
 802 enum
 803 {
 804   RADIO_NR_NONE,
 805   RADIO_NR_DRAWING_TOOLBOX,
 806   RADIO_NR_RANDOM_ELEMENTS
 807 };
 808
 809 // values for counter gadgets
 810 enum
 811 {
 812   ED_COUNTER_ID_SELECT_LEVEL,
 813   ED_COUNTER_ID_LEVEL_XSIZE,
 814   ED_COUNTER_ID_LEVEL_YSIZE,
 815   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 816   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 817   ED_COUNTER_ID_LEVEL_TIMESCORE,
 818   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 819   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 820   ED_COUNTER_ID_LEVEL_RANDOM,
 821   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 822   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 823   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 824   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 825   ED_COUNTER_ID_BD_PUSHING_PROB,
 826   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 827   ED_COUNTER_ID_ELEMENT_VALUE1,
 828   ED_COUNTER_ID_ELEMENT_VALUE2,
 829   ED_COUNTER_ID_ELEMENT_VALUE3,
 830   ED_COUNTER_ID_ELEMENT_VALUE4,
 831   ED_COUNTER_ID_YAMYAM_CONTENT,
 832   ED_COUNTER_ID_BALL_CONTENT,
 833   ED_COUNTER_ID_ANDROID_CONTENT,
 834   ED_COUNTER_ID_ENVELOPE_XSIZE,
 835   ED_COUNTER_ID_ENVELOPE_YSIZE,
 836   ED_COUNTER_ID_INVENTORY_SIZE,
 837   ED_COUNTER_ID_MM_BALL_CONTENT,
 838   ED_COUNTER_ID_CUSTOM_SCORE,
 839   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 840   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 841   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 842   ED_COUNTER_ID_PUSH_DELAY_FIX,
 843   ED_COUNTER_ID_PUSH_DELAY_RND,
 844   ED_COUNTER_ID_DROP_DELAY_FIX,
 845   ED_COUNTER_ID_DROP_DELAY_RND,
 846   ED_COUNTER_ID_MOVE_DELAY_FIX,
 847   ED_COUNTER_ID_MOVE_DELAY_RND,
 848   ED_COUNTER_ID_STEP_DELAY_FIX,
 849   ED_COUNTER_ID_STEP_DELAY_RND,
 850   ED_COUNTER_ID_EXPLOSION_DELAY,
 851   ED_COUNTER_ID_IGNITION_DELAY,
 852   ED_COUNTER_ID_GROUP_CONTENT,
 853   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 854   ED_COUNTER_ID_CHANGE_DELAY_RND,
 855   ED_COUNTER_ID_CHANGE_CONT_RND,
 856
 857   ED_NUM_COUNTERBUTTONS
 858 };
 859
 860 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 861 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 862 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 863 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 864 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 865 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 866
 867 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 868 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 869 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 870 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 871 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 872 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 873
 874 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 875 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 876
 877 // values for scrollbutton gadgets
 878 enum
 879 {
 880   ED_SCROLLBUTTON_ID_AREA_UP,
 881   ED_SCROLLBUTTON_ID_AREA_DOWN,
 882   ED_SCROLLBUTTON_ID_AREA_LEFT,
 883   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 884   ED_SCROLLBUTTON_ID_LIST_UP,
 885   ED_SCROLLBUTTON_ID_LIST_DOWN,
 886
 887   ED_NUM_SCROLLBUTTONS
 888 };
 889
 890 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 891 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 892
 893 // values for scrollbar gadgets
 894 enum
 895 {
 896   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 897   ED_SCROLLBAR_ID_AREA_VERTICAL,
 898   ED_SCROLLBAR_ID_LIST_VERTICAL,
 899
 900   ED_NUM_SCROLLBARS
 901 };
 902
 903 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 904 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 905
 906 // values for text input gadgets
 907 enum
 908 {
 909   ED_TEXTINPUT_ID_LEVEL_NAME,
 910   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 911   ED_TEXTINPUT_ID_LEVELSET_NAME,
 912   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 913   ED_TEXTINPUT_ID_ELEMENT_NAME,
 914
 915   ED_NUM_TEXTINPUT
 916 };
 917
 918 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 919 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 920
 921 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 922 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 923
 924 // values for text area gadgets
 925 enum
 926 {
 927   ED_TEXTAREA_ID_ENVELOPE_INFO,
 928
 929   ED_NUM_TEXTAREAS
 930 };
 931
 932 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 933 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 934
 935 // values for selectbox gadgets
 936 enum
 937 {
 938   ED_SELECTBOX_ID_TIME_OR_STEPS,
 939   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 940   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 941   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 942   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 943   ED_SELECTBOX_ID_WIND_DIRECTION,
 944   ED_SELECTBOX_ID_PLAYER_SPEED,
 945   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 946   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 947   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 948   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 949   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 950   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 951   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 952   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 953   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 954   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 955   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 956   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 957   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 958   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 959   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 960   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 961   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 962   ED_SELECTBOX_ID_CHANGE_SIDE,
 963   ED_SELECTBOX_ID_CHANGE_PLAYER,
 964   ED_SELECTBOX_ID_CHANGE_PAGE,
 965   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 966   ED_SELECTBOX_ID_ACTION_TYPE,
 967   ED_SELECTBOX_ID_ACTION_MODE,
 968   ED_SELECTBOX_ID_ACTION_ARG,
 969   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 970   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 971
 972   ED_NUM_SELECTBOX
 973 };
 974
 975 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 976 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 977
 978 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 979 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 980
 981 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 982 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 983
 984 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 985 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 986 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 987 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 988 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 989 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 990
 991 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 992 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 993
 994 // values for textbutton gadgets
 995 enum
 996 {
 997   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 998   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 999   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1000   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1001   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1002   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1003   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1004   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1005   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1006   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1007   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1008   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1009   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1010   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1011
1012   ED_NUM_TEXTBUTTONS
1013 };
1014
1015 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1016 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1017
1018 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1019 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1020
1021 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1022 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1023
1024 // values for graphicbutton gadgets
1025 enum
1026 {
1027   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1028   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1029   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1030   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1031
1032   ED_NUM_GRAPHICBUTTONS
1033 };
1034
1035 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1036 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1037
1038 // values for checkbutton gadgets
1039 enum
1040 {
1041   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1042   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1043   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1044   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1045   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1046   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1047   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1048   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1049   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1050   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1051   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1052   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1053   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1054   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1055   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1056   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1057   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1058   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1059   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1060   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1061   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1062   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1063   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1064   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1065   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1066   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1067   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1068   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1069   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1070   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1071   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1072   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1073   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1074   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1075   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1076   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1077   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1078   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1079   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1080   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1081   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1082   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1083   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1084   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1085   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1086   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1087   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1088   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1089   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1090   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1091   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1092   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1093   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1094   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1095   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1096   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1097   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1098   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1099   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1100   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1101   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1102   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1103   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1104   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1105   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1106   ED_CHECKBUTTON_ID_MM_LASER_RED,
1107   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1108   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1109   ED_CHECKBUTTON_ID_DF_LASER_RED,
1110   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1111   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1112   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1113   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1114   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1115   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1116   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1117   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1118   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1119   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1120   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1121   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1122   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1123   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1124   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1125   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1126   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1127   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1128   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1129   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1130   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1131   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1132   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1133   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1134   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1135   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1136   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1137   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1138   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1139
1140   ED_NUM_CHECKBUTTONS
1141 };
1142
1143 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1144 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1145
1146 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1147 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1148
1149 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1150 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1151
1152 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1153 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1154
1155 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1156 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1157 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1158 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1159 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1160 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1161
1162 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1163 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1164
1165 // values for radiobutton gadgets
1166 enum
1167 {
1168   ED_RADIOBUTTON_ID_PERCENTAGE,
1169   ED_RADIOBUTTON_ID_QUANTITY,
1170
1171   ED_NUM_RADIOBUTTONS
1172 };
1173
1174 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1175 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1176
1177 // values for drawing area gadgets
1178 enum
1179 {
1180   ED_DRAWING_ID_DRAWING_LEVEL,
1181   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1182   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1183   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1184   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1185   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1186   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1187   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1188   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1189   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1190   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1191   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1192   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1193   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1194   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1195   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1196   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1197   ED_DRAWING_ID_ANDROID_CONTENT,
1198   ED_DRAWING_ID_AMOEBA_CONTENT,
1199   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1200   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1201   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1202   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1203   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1204   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1205   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1206   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1207   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1208   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1209   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1210   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1211   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1212   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1213   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1214   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1215   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1216   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1217   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1218   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1219   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1220   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1221   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1222   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1223   ED_DRAWING_ID_BD_NUT_CONTENT,
1224   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1225   ED_DRAWING_ID_START_ELEMENT,
1226   ED_DRAWING_ID_ARTWORK_ELEMENT,
1227   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1228   ED_DRAWING_ID_INVENTORY_CONTENT,
1229   ED_DRAWING_ID_MM_BALL_CONTENT,
1230   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1231   ED_DRAWING_ID_CUSTOM_CONTENT,
1232   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1233   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1234   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1235   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1236   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1237   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1238   ED_DRAWING_ID_GROUP_CONTENT,
1239   ED_DRAWING_ID_RANDOM_BACKGROUND,
1240
1241   ED_NUM_DRAWING_AREAS
1242 };
1243
1244 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1245 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1246
1247
1248 // ----------------------------------------------------------------------------
1249 // some internally used definitions
1250 // ----------------------------------------------------------------------------
1251
1252 // values for CopyLevelToUndoBuffer()
1253 #define UNDO_IMMEDIATE                  0
1254 #define UNDO_ACCUMULATE                 1
1255
1256 // values for scrollbars
1257 #define ED_SCROLL_NO                    0
1258 #define ED_SCROLL_LEFT                  1
1259 #define ED_SCROLL_RIGHT                 2
1260 #define ED_SCROLL_UP                    4
1261 #define ED_SCROLL_DOWN                  8
1262
1263 // screens in the level editor
1264 #define ED_MODE_DRAWING                 0
1265 #define ED_MODE_LEVELCONFIG             1
1266 #define ED_MODE_PROPERTIES              2
1267 #define ED_MODE_PALETTE                 3
1268
1269 // sub-screens in the global settings section
1270 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1271 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1272 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1273 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1274
1275 // sub-screens in the element properties section
1276 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1277 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1278 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1279 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1280 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1281
1282 // how many steps can be cancelled
1283 #define NUM_UNDO_STEPS                  (64 + 1)
1284
1285 // values for elements with score for certain actions
1286 #define MIN_SCORE                       0
1287 #define MAX_SCORE                       999
1288
1289 // values for elements with count for collecting
1290 #define MIN_COLLECT_COUNT               0
1291 #define MAX_COLLECT_COUNT               999
1292
1293 // values for random placement
1294 #define RANDOM_USE_PERCENTAGE           0
1295 #define RANDOM_USE_QUANTITY             1
1296
1297 // values for level set save mode
1298 #define LEVELSET_SAVE_MODE_UPDATE       0
1299 #define LEVELSET_SAVE_MODE_CREATE       1
1300
1301 // default value for element tile size in drawing area
1302 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1303 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1304
1305
1306 // ----------------------------------------------------------------------------
1307 // some internally used data structure definitions
1308 // ----------------------------------------------------------------------------
1309
1310 static struct
1311 {
1312   int graphic;
1313   int gadget_id;
1314   struct XYTileSize *pos;
1315   int gadget_type;
1316   char *infotext;
1317   char shortcut;
1318 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1319 {
1320   // note: some additional characters are already reserved for "cheat mode"
1321   // shortcuts (":XYZ" style) -- for details, see "events.c"
1322
1323   // ---------- toolbox control buttons ---------------------------------------
1324
1325   {
1326     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1327     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1328     "Draw single items",                        's'
1329   },
1330   {
1331     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1332     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1333     "Draw connected items",                     'd'
1334   },
1335   {
1336     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1337     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1338     "Draw lines",                               'l'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1342     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1343     "Draw arcs",                                'a'
1344   },
1345   {
1346     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1347     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1348     "Draw outline rectangles",                  'r'
1349   },
1350   {
1351     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1352     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1353     "Draw filled rectangles",                   'R'
1354   },
1355   {
1356     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1357     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1358     "Wrap (rotate) level up",                   0
1359   },
1360   {
1361     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1362     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1363     "Enter text elements",                      't'
1364   },
1365   {
1366     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1367     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1368     "Flood fill",                               'f'
1369   },
1370   {
1371     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1372     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1373     "Wrap (rotate) level left",                 0
1374   },
1375   {
1376     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1377     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1378     "Zoom level tile size",                     '+'
1379   },
1380   {
1381     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1382     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1383     "Wrap (rotate) level right",                0
1384   },
1385   {
1386     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1387     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1388     "Random element placement",                 0
1389   },
1390   {
1391     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1392     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1393     "Grab brush",                               'b'
1394   },
1395   {
1396     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1397     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1398     "Wrap (rotate) level down",                 0
1399   },
1400   {
1401     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1402     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1403     "Pick drawing element",                     ','
1404   },
1405
1406   // ---------- level control buttons -----------------------------------------
1407
1408   {
1409     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1410     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1411     "Undo/redo last operation",                 'u'
1412   },
1413   {
1414     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1415     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1416     "Level and editor settings",                'I'
1417   },
1418   {
1419     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1420     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1421     "Save level",                               'S'
1422   },
1423   {
1424     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1425     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1426     "Clear level",                              'C'
1427   },
1428   {
1429     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1430     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1431     "Test level",                               'T'
1432   },
1433   {
1434     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1435     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1436     "Exit level editor",                        'E'
1437   },
1438
1439   // ---------- CE and GE control buttons -------------------------------------
1440
1441   {
1442     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1443     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1444     "Copy settings from other element",         0
1445   },
1446   {
1447     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1448     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1449     "Copy settings to other element",           0
1450   },
1451   {
1452     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1453     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1454     "Exchange element with other element",      0
1455   },
1456   {
1457     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1458     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1459     "Copy settings from this element",          0
1460   },
1461   {
1462     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1463     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1464     "Paste settings to this element",           0
1465   },
1466
1467   // ---------- palette control buttons ---------------------------------------
1468
1469   {
1470     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1471     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1472     "Properties of drawing element",            'p'
1473   },
1474   {
1475     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1476     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1477     "Properties of drawing element 1",          '1'
1478   },
1479   {
1480     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1481     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1482     "Properties of drawing element 2",          '2'
1483   },
1484   {
1485     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1486     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1487     "Properties of drawing element 3",          '3'
1488   },
1489   {
1490     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1491     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1492     "Show list of elements",                    'e'
1493   }
1494 };
1495
1496 static int random_placement_value = 10;
1497 static int random_placement_method = RANDOM_USE_QUANTITY;
1498 static int random_placement_background_element = EL_SAND;
1499 static boolean random_placement_background_restricted = FALSE;
1500 static boolean stick_element_properties_window = FALSE;
1501 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1502 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1503 static struct ElementChangeInfo custom_element_change;
1504 static struct ElementGroupInfo group_element_info;
1505 static struct ElementInfo custom_element;
1506
1507 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1508 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1509 static int levelset_num_levels = 100;
1510 static boolean levelset_use_levelset_artwork = FALSE;
1511 static boolean levelset_copy_level_template = FALSE;
1512 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1513
1514 static struct
1515 {
1516   int gadget_type_id;
1517   int x, y;
1518   int min_value, max_value;
1519   int gadget_id_down, gadget_id_up;
1520   int gadget_id_text;
1521   int gadget_id_align;
1522   int *value;
1523   char *text_above, *text_left, *text_right;
1524 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1525 {
1526   // ---------- current level number ------------------------------------------
1527
1528   {
1529     ED_COUNTER_ID_SELECT_LEVEL,
1530     -1, -1,     // these values are not constant, but can change at runtime
1531     1,                                  100,
1532     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1533     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1534     &level_nr,
1535     NULL,                               NULL, NULL
1536   },
1537
1538   // ---------- level and editor settings -------------------------------------
1539
1540   {
1541     ED_COUNTER_ID_LEVEL_XSIZE,
1542     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1543     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1544     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1545     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1546     &level.fieldx,
1547     "Playfield size:",                  NULL, "Width",
1548   },
1549   {
1550     ED_COUNTER_ID_LEVEL_YSIZE,
1551     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1552     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1553     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1554     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1555     &level.fieldy,
1556     NULL,                               " ", "Height",
1557   },
1558   {
1559     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1560     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1561     0,                                  999,
1562     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1563     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1564     &level.gems_needed,
1565     NULL,                               "Number of gems to collect:", NULL
1566   },
1567   {
1568     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1569     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1570     0,                                  9999,
1571     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1572     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1573     &level.time,
1574     "Time or step limit to solve level:", NULL, NULL
1575   },
1576   {
1577     ED_COUNTER_ID_LEVEL_TIMESCORE,
1578     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1579     0,                                  999,
1580     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1581     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1582     &level.score[SC_TIME_BONUS],
1583     "Score for time or steps left:",    NULL, NULL
1584   },
1585   {
1586     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1587     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1588     0,                                  9999,
1589     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1590     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1591     &level.random_seed,
1592     NULL,                               "Random seed:", "(0 => random)"
1593   },
1594   {
1595     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1596     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1597     1,                                  MAX_LEVELS,
1598     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1599     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1600     &levelset_num_levels,
1601     "Number of levels:",                NULL, NULL,
1602   },
1603   {
1604     ED_COUNTER_ID_LEVEL_RANDOM,
1605     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1606     1,                                  100,
1607     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1608     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1609     &random_placement_value,
1610     "Random element placement:",        NULL, "in"
1611   },
1612   {
1613     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1614     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1615     50,                                 500,
1616     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1617     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1618     &level.bd_cycle_delay_ms,
1619     NULL,                               NULL, "Game cycle delay (ms)"
1620   },
1621   {
1622     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1623     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1624     0,                                  32,
1625     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1626     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1627     &level.bd_cycle_delay_c64,
1628     NULL,                               NULL, "Game cycle delay (C64-style)"
1629   },
1630   {
1631     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1632     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1633     1,                                  40,
1634     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1635     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1636     &level.bd_hatching_delay_cycles,
1637     NULL,                               NULL, "Hatching delay (cycles)"
1638   },
1639   {
1640     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1641     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1642     1,                                  40,
1643     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1644     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1645     &level.bd_hatching_delay_seconds,
1646     NULL,                               NULL, "Hatching delay (seconds)"
1647   },
1648
1649   // ---------- element settings: configure (various elements) ----------------
1650
1651   {
1652     ED_COUNTER_ID_BD_PUSHING_PROB,
1653     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1654     0,                                  100,
1655     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1656     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1657     &level.bd_pushing_prob,
1658     NULL,                               NULL, "Push probability"
1659   },
1660   {
1661     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1662     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1663     0,                                  100,
1664     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1665     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1666     &level.bd_pushing_prob_with_sweet,
1667     NULL,                               NULL, "Push probability with sweet"
1668   },
1669   {
1670     ED_COUNTER_ID_ELEMENT_VALUE1,
1671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1672     MIN_SCORE,                          MAX_SCORE,
1673     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1674     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1675     NULL,                               // will be set when used
1676     NULL,                               NULL, NULL
1677   },
1678   {
1679     ED_COUNTER_ID_ELEMENT_VALUE2,
1680     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1681     MIN_SCORE,                          MAX_SCORE,
1682     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1683     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1684     NULL,                               // will be set when used
1685     NULL,                               NULL, NULL
1686   },
1687   {
1688     ED_COUNTER_ID_ELEMENT_VALUE3,
1689     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1690     MIN_SCORE,                          MAX_SCORE,
1691     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1692     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1693     NULL,                               // will be set when used
1694     NULL,                               NULL, NULL
1695   },
1696   {
1697     ED_COUNTER_ID_ELEMENT_VALUE4,
1698     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1699     MIN_SCORE,                          MAX_SCORE,
1700     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1701     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1702     NULL,                               // will be set when used
1703     NULL,                               NULL, NULL
1704   },
1705   {
1706     ED_COUNTER_ID_YAMYAM_CONTENT,
1707     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1708     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1709     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1710     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1711     &level.num_yamyam_contents,
1712     NULL,                               NULL, "Number of content areas"
1713   },
1714   {
1715     ED_COUNTER_ID_BALL_CONTENT,
1716     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1717     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1718     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1719     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1720     &level.num_ball_contents,
1721     NULL,                               NULL, "Number of content areas"
1722   },
1723   {
1724     ED_COUNTER_ID_ANDROID_CONTENT,
1725     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1726     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1727     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1728     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1729     &level.num_android_clone_elements,
1730     NULL,                               NULL, "Number of clonable elements"
1731   },
1732   {
1733     ED_COUNTER_ID_ENVELOPE_XSIZE,
1734     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1735     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1736     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1737     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1738     NULL,                               // will be set when used
1739     NULL,                               NULL, "Width",
1740   },
1741   {
1742     ED_COUNTER_ID_ENVELOPE_YSIZE,
1743     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1744     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1745     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1746     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1747     NULL,                               // will be set when used
1748     NULL,                               " ", "Height",
1749   },
1750   {
1751     ED_COUNTER_ID_INVENTORY_SIZE,
1752     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1753     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1754     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1755     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1756     &level.initial_inventory_size[0],
1757     NULL,                               NULL, "Number of inventory elements"
1758   },
1759   {
1760     ED_COUNTER_ID_MM_BALL_CONTENT,
1761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1762     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1763     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1764     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1765     &level.num_mm_ball_contents,
1766     NULL,                               NULL, "Number of content elements"
1767   },
1768
1769   // ---------- element settings: configure 1 (custom elements) ---------------
1770
1771   {
1772     ED_COUNTER_ID_CUSTOM_SCORE,
1773     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1774     MIN_SCORE,                          MAX_SCORE,
1775     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1776     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1777     &custom_element.collect_score_initial,
1778     NULL,                               "CE score", " "
1779   },
1780   {
1781     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1782     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1783     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1784     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1785     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1786     &custom_element.collect_count_initial,
1787     NULL,                               "CE count", NULL
1788   },
1789   {
1790     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1792     0,                                  9999,
1793     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1794     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1795     &custom_element.ce_value_fixed_initial,
1796     NULL,                               "CE value", NULL
1797   },
1798   {
1799     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1800     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1801     0,                                  9999,
1802     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1803     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1804     &custom_element.ce_value_random_initial,
1805     NULL,                               "+random", NULL
1806   },
1807   {
1808     ED_COUNTER_ID_PUSH_DELAY_FIX,
1809     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1810     0,                                  999,
1811     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1812     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1813     &custom_element.push_delay_fixed,
1814     NULL,                               "Push delay", NULL
1815   },
1816   {
1817     ED_COUNTER_ID_PUSH_DELAY_RND,
1818     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1819     0,                                  999,
1820     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1821     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1822     &custom_element.push_delay_random,
1823     NULL,                               "+random", NULL
1824   },
1825   {
1826     ED_COUNTER_ID_DROP_DELAY_FIX,
1827     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1828     0,                                  999,
1829     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1830     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1831     &custom_element.drop_delay_fixed,
1832     NULL,                               "Drop delay", NULL
1833   },
1834   {
1835     ED_COUNTER_ID_DROP_DELAY_RND,
1836     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1837     0,                                  999,
1838     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1839     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1840     &custom_element.drop_delay_random,
1841     NULL,                               "+random", NULL
1842   },
1843
1844   // ---------- element settings: configure 2 (custom elements) ---------------
1845
1846   {
1847     ED_COUNTER_ID_MOVE_DELAY_FIX,
1848     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1849     0,                                  999,
1850     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1851     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1852     &custom_element.move_delay_fixed,
1853     NULL,                               "Move delay", NULL
1854   },
1855   {
1856     ED_COUNTER_ID_MOVE_DELAY_RND,
1857     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1858     0,                                  999,
1859     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1860     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1861     &custom_element.move_delay_random,
1862     NULL,                               "+random", NULL
1863   },
1864   {
1865     ED_COUNTER_ID_STEP_DELAY_FIX,
1866     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1867     0,                                  999,
1868     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1869     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1870     &custom_element.step_delay_fixed,
1871     NULL,                               "Step delay", NULL
1872   },
1873   {
1874     ED_COUNTER_ID_STEP_DELAY_RND,
1875     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1876     0,                                  999,
1877     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1878     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1879     &custom_element.step_delay_random,
1880     NULL,                               "+random", NULL
1881   },
1882   {
1883     ED_COUNTER_ID_EXPLOSION_DELAY,
1884     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1885     0,                                  999,
1886     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1887     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1888     &custom_element.explosion_delay,
1889     NULL,                               "Explosion delay", NULL
1890   },
1891   {
1892     ED_COUNTER_ID_IGNITION_DELAY,
1893     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1894     0,                                  999,
1895     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1896     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1897     &custom_element.ignition_delay,
1898     NULL,                               "Ignition delay", "(by fire)"
1899   },
1900
1901   // ---------- element settings: configure (group elements) ------------------
1902
1903   {
1904     ED_COUNTER_ID_GROUP_CONTENT,
1905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1906     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1907     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1908     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1909     &group_element_info.num_elements,
1910     NULL,                               NULL, "Number of elements in group"
1911   },
1912
1913   // ---------- element settings: advanced (custom elements) ------------------
1914
1915   {
1916     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1917     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1918     0,                                  999,
1919     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1920     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1921     &custom_element_change.delay_fixed,
1922     NULL,                               "CE delay", NULL,
1923   },
1924   {
1925     ED_COUNTER_ID_CHANGE_DELAY_RND,
1926     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1927     0,                                  999,
1928     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1929     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1930     &custom_element_change.delay_random,
1931     NULL,                               "+random", NULL
1932   },
1933   {
1934     ED_COUNTER_ID_CHANGE_CONT_RND,
1935     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1936     0,                                  100,
1937     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1938     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1939     &custom_element_change.random_percentage,
1940     NULL,                               "Use random replace:", "%"
1941   },
1942 };
1943
1944 static struct
1945 {
1946   int gadget_type_id;
1947   int x, y;
1948   int gadget_id;
1949   int size;
1950   char *value;
1951   char *text_above, *infotext;
1952 } textinput_info[ED_NUM_TEXTINPUT] =
1953 {
1954   {
1955     ED_TEXTINPUT_ID_LEVEL_NAME,
1956     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1957     GADGET_ID_LEVEL_NAME,
1958     MAX_LEVEL_NAME_LEN,
1959     level.name,
1960     "Title:", "Title for this level"
1961   },
1962   {
1963     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1964     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1965     GADGET_ID_LEVEL_AUTHOR,
1966     MAX_LEVEL_AUTHOR_LEN,
1967     level.author,
1968     "Author:", "Author for this level"
1969   },
1970   {
1971     ED_TEXTINPUT_ID_LEVELSET_NAME,
1972     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1973     GADGET_ID_LEVELSET_NAME,
1974     MAX_LEVEL_NAME_LEN,
1975     levelset_name,
1976     "Title:", "Title for this or new level set"
1977   },
1978   {
1979     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1980     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1981     GADGET_ID_LEVELSET_AUTHOR,
1982     MAX_LEVEL_AUTHOR_LEN,
1983     levelset_author,
1984     "Author:", "Author for this or new level set"
1985   },
1986   {
1987     ED_TEXTINPUT_ID_ELEMENT_NAME,
1988     -1, -1,     // these values are not constant, but can change at runtime
1989     GADGET_ID_ELEMENT_NAME,
1990     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1991     custom_element.description,
1992     NULL, "Element name"
1993   }
1994 };
1995
1996 static struct
1997 {
1998   int gadget_type_id;
1999   int x, y;
2000   int gadget_id;
2001   int xsize, ysize;
2002   char *value;
2003   char *text_above, *text_above_cropped, *infotext;
2004 } textarea_info[ED_NUM_TEXTAREAS] =
2005 {
2006   {
2007     ED_TEXTAREA_ID_ENVELOPE_INFO,
2008     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2009     GADGET_ID_ENVELOPE_INFO,
2010     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2011     NULL,
2012     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2013   }
2014 };
2015
2016 static struct ValueTextInfo options_time_or_steps[] =
2017 {
2018   { 0,                          "seconds"                       },
2019   { 1,                          "steps"                         },
2020
2021   { -1,                         NULL                            }
2022 };
2023
2024 static struct ValueTextInfo options_time_score_base[] =
2025 {
2026   { 1,                          "per second/step"               },
2027   { 10,                         "per 10 seconds/steps"          },
2028
2029   { -1,                         NULL                            }
2030 };
2031
2032 static struct ValueTextInfo options_game_engine_type[] =
2033 {
2034   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
2035   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
2036   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
2037   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
2038   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
2039
2040   { -1,                         NULL                            }
2041 };
2042
2043 static struct ValueTextInfo options_levelset_save_mode[] =
2044 {
2045   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2046   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2047
2048   { -1,                         NULL                            }
2049 };
2050
2051 static struct ValueTextInfo options_wind_direction[] =
2052 {
2053   { MV_START_NONE,              "none"                          },
2054   { MV_START_LEFT,              "left"                          },
2055   { MV_START_RIGHT,             "right"                         },
2056   { MV_START_UP,                "up"                            },
2057   { MV_START_DOWN,              "down"                          },
2058
2059   { -1,                         NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_player_speed[] =
2063 {
2064   { 0,                          "frozen"                        },
2065   { 1,                          "very slow"                     },
2066   { 2,                          "slow"                          },
2067   { 4,                          "normal"                        },
2068   { 8,                          "fast"                          },
2069   { 16,                         "very fast"                     },
2070   { 32,                         "ultrafast"                     },
2071
2072   { -1,                         NULL                            }
2073 };
2074
2075 static struct ValueTextInfo options_access_type[] =
2076 {
2077   { EP_WALKABLE,                "walkable"                      },
2078   { EP_PASSABLE,                "passable"                      },
2079
2080   { -1,                         NULL                            }
2081 };
2082
2083 static struct ValueTextInfo options_access_layer[] =
2084 {
2085   { EP_ACCESSIBLE_OVER,         "over"                          },
2086   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2087   { EP_ACCESSIBLE_UNDER,        "under"                         },
2088
2089   { -1,                         NULL                            }
2090 };
2091
2092 static struct ValueTextInfo options_access_protected[] =
2093 {
2094   { 0,                          "unprotected"                   },
2095   { 1,                          "protected"                     },
2096
2097   { -1,                         NULL                            }
2098 };
2099
2100 static struct ValueTextInfo options_access_direction[] =
2101 {
2102   { MV_NO_DIRECTION,            "no direction"                  },
2103   { MV_LEFT,                    "left"                          },
2104   { MV_RIGHT,                   "right"                         },
2105   { MV_UP,                      "up"                            },
2106   { MV_DOWN,                    "down"                          },
2107   { MV_LEFT  | MV_UP,           "left + up"                     },
2108   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2109   { MV_RIGHT | MV_UP,           "right + up"                    },
2110   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2111   { MV_HORIZONTAL,              "horizontal"                    },
2112   { MV_VERTICAL,                "vertical"                      },
2113   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2114   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2115   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2116   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2117   { MV_ALL_DIRECTIONS,          "all directions"                },
2118
2119   { -1,                         NULL                            }
2120 };
2121
2122 static struct ValueTextInfo options_walk_to_action[] =
2123 {
2124   { EP_DIGGABLE,                "diggable"                      },
2125   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2126   { EP_DROPPABLE,               "collectible & droppable"       },
2127   { EP_THROWABLE,               "collectible & throwable"       },
2128   { EP_PUSHABLE,                "pushable"                      },
2129
2130   { -1,                         NULL                            }
2131 };
2132
2133 static struct ValueTextInfo options_move_pattern[] =
2134 {
2135   { MV_LEFT,                    "left"                          },
2136   { MV_RIGHT,                   "right"                         },
2137   { MV_UP,                      "up"                            },
2138   { MV_DOWN,                    "down"                          },
2139   { MV_HORIZONTAL,              "horizontal"                    },
2140   { MV_VERTICAL,                "vertical"                      },
2141   { MV_ALL_DIRECTIONS,          "all directions"                },
2142   { MV_WIND_DIRECTION,          "wind direction"                },
2143   { MV_TOWARDS_PLAYER,          "towards player"                },
2144   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2145   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2146   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2147   { MV_TURNING_LEFT,            "turning left"                  },
2148   { MV_TURNING_RIGHT,           "turning right"                 },
2149   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2150   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2151   { MV_TURNING_RANDOM,          "turning random"                },
2152   { MV_MAZE_RUNNER,             "maze runner style"             },
2153   { MV_MAZE_HUNTER,             "maze hunter style"             },
2154   { MV_WHEN_PUSHED,             "when pushed"                   },
2155   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2156
2157   { -1,                         NULL                            }
2158 };
2159
2160 static struct ValueTextInfo options_move_direction[] =
2161 {
2162   { MV_START_AUTOMATIC,         "automatic"                     },
2163   { MV_START_LEFT,              "left"                          },
2164   { MV_START_RIGHT,             "right"                         },
2165   { MV_START_UP,                "up"                            },
2166   { MV_START_DOWN,              "down"                          },
2167   { MV_START_RANDOM,            "random"                        },
2168   { MV_START_PREVIOUS,          "previous"                      },
2169
2170   { -1,                         NULL                            }
2171 };
2172
2173 static struct ValueTextInfo options_move_stepsize[] =
2174 {
2175   { 0,                          "not moving"                    },
2176   { 1,                          "very slow"                     },
2177   { 2,                          "slow"                          },
2178   { 4,                          "normal"                        },
2179   { 8,                          "fast"                          },
2180   { 16,                         "very fast"                     },
2181   { 32,                         "even faster"                   },
2182
2183   { -1,                         NULL                            }
2184 };
2185
2186 static struct ValueTextInfo options_move_leave_type[] =
2187 {
2188   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2189   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2190
2191   { -1,                         NULL                            }
2192 };
2193
2194 static struct ValueTextInfo options_smash_targets[] =
2195 {
2196   { EP_CAN_SMASH_PLAYER,        "player"                        },
2197 #if 0
2198   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2199 #endif
2200   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2201
2202   { -1,                         NULL                            }
2203 };
2204
2205 static struct ValueTextInfo options_slippery_type[] =
2206 {
2207   { SLIPPERY_ANY_RANDOM,        "random"                        },
2208   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2209   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2210   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2211   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2212
2213   { -1,                         NULL                            }
2214 };
2215
2216 static struct ValueTextInfo options_deadliness[] =
2217 {
2218   { EP_DONT_RUN_INTO,           "running into"                  },
2219   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2220   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2221   { EP_DONT_TOUCH,              "touching"                      },
2222
2223   { -1,                         NULL                            }
2224 };
2225
2226 static struct ValueTextInfo options_explosion_type[] =
2227 {
2228   { EXPLODES_3X3,               "3x3"                           },
2229   { EXPLODES_CROSS,             "3+3"                           },
2230   { EXPLODES_1X1,               "1x1"                           },
2231
2232   { -1,                         NULL                            }
2233 };
2234
2235 static struct ValueTextInfo options_time_units[] =
2236 {
2237   { 1,                          "frames"                        },
2238   { FRAMES_PER_SECOND,          "seconds"                       },
2239
2240   { -1,                         NULL                            }
2241 };
2242
2243 static struct ValueTextInfo options_change_direct_action[] =
2244 {
2245   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2246   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2247   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2248   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2249   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2250   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2251   { CE_LEFT_BY_PLAYER,          "left by player"                },
2252   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2253   { CE_SWITCHED,                "switched"                      },
2254   { CE_HITTING_SOMETHING,       "hitting something"             },
2255   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2256 #if 0
2257   { CE_BLOCKED,                 "blocked"                       },
2258 #endif
2259   { CE_IMPACT,                  "impact (on something)"         },
2260   { CE_SMASHED,                 "smashed (from above)"          },
2261 #if 0
2262   { CE_VALUE_CHANGES,           "CE value changes"              },
2263   { CE_SCORE_CHANGES,           "CE score changes"              },
2264 #endif
2265   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2266   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2267   { CE_UNDEFINED,               " "                             },
2268   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2269   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2270   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2271   { CE_UNDEFINED,               " "                             },
2272   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2273   { CE_NEXT_TO_PLAYER,          "next to player"                },
2274
2275   { -1,                         NULL                            }
2276 };
2277
2278 static struct ValueTextInfo options_change_other_action[] =
2279 {
2280   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2281   { CE_PLAYER_PRESSES_X,        "player presses"                },
2282   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2283   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2284   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2285   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2286   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2287   { CE_PLAYER_DIGS_X,           "player digs"                   },
2288   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2289   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2290   { CE_TOUCHING_X,              "touching"                      },
2291   { CE_HITTING_X,               "hitting"                       },
2292   { CE_DIGGING_X,               "digging"                       },
2293   { CE_HIT_BY_X,                "hit by"                        },
2294   { CE_SWITCH_OF_X,             "switch of"                     },
2295   { CE_CHANGE_OF_X,             "change by page of"             },
2296   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2297   { CE_MOVE_OF_X,               "move of"                       },
2298   { CE_CREATION_OF_X,           "creation of"                   },
2299   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2300   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2301   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2302   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2303   { CE_UNDEFINED,               " "                             },
2304   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2305   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2306   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2307   { CE_UNDEFINED,               " "                             },
2308   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2309   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2310   { CE_NEXT_TO_X,               "next to"                       },
2311
2312   { -1,                         NULL                            }
2313 };
2314
2315 static struct ValueTextInfo options_change_trigger_side[] =
2316 {
2317   { CH_SIDE_LEFT,               "left"                          },
2318   { CH_SIDE_RIGHT,              "right"                         },
2319   { CH_SIDE_TOP,                "top"                           },
2320   { CH_SIDE_BOTTOM,             "bottom"                        },
2321   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2322   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2323   { CH_SIDE_ANY,                "any"                           },
2324
2325   { -1,                         NULL                            }
2326 };
2327
2328 static struct ValueTextInfo options_change_trigger_player[] =
2329 {
2330   { CH_PLAYER_1,                "1"                             },
2331   { CH_PLAYER_2,                "2"                             },
2332   { CH_PLAYER_3,                "3"                             },
2333   { CH_PLAYER_4,                "4"                             },
2334   { CH_PLAYER_ANY,              "any"                           },
2335
2336   { -1,                         NULL                            }
2337 };
2338
2339 static struct ValueTextInfo options_change_trigger_page[] =
2340 {
2341   { (1u << 0),                  "1"                             },
2342   { (1u << 1),                  "2"                             },
2343   { (1u << 2),                  "3"                             },
2344   { (1u << 3),                  "4"                             },
2345   { (1u << 4),                  "5"                             },
2346   { (1u << 5),                  "6"                             },
2347   { (1u << 6),                  "7"                             },
2348   { (1u << 7),                  "8"                             },
2349   { (1u << 8),                  "9"                             },
2350   { (1u << 9),                  "10"                            },
2351   { (1u << 10),                 "11"                            },
2352   { (1u << 11),                 "12"                            },
2353   { (1u << 12),                 "13"                            },
2354   { (1u << 13),                 "14"                            },
2355   { (1u << 14),                 "15"                            },
2356   { (1u << 15),                 "16"                            },
2357   { (1u << 16),                 "17"                            },
2358   { (1u << 17),                 "18"                            },
2359   { (1u << 18),                 "19"                            },
2360   { (1u << 19),                 "20"                            },
2361   { (1u << 20),                 "21"                            },
2362   { (1u << 21),                 "22"                            },
2363   { (1u << 22),                 "23"                            },
2364   { (1u << 23),                 "24"                            },
2365   { (1u << 24),                 "25"                            },
2366   { (1u << 25),                 "26"                            },
2367   { (1u << 26),                 "27"                            },
2368   { (1u << 27),                 "28"                            },
2369   { (1u << 28),                 "29"                            },
2370   { (1u << 29),                 "30"                            },
2371   { (1u << 30),                 "31"                            },
2372   { (1u << 31),                 "32"                            },
2373   { CH_PAGE_ANY,                "any"                           },
2374
2375   { -1,                         NULL                            }
2376 };
2377
2378 static struct ValueTextInfo options_change_replace_when[] =
2379 {
2380   { CP_WHEN_EMPTY,              "empty"                         },
2381   { CP_WHEN_WALKABLE,           "walkable"                      },
2382   { CP_WHEN_DIGGABLE,           "diggable"                      },
2383   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2384   { CP_WHEN_REMOVABLE,          "removable"                     },
2385   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2386
2387   { -1,                         NULL                            }
2388 };
2389
2390 static struct ValueTextInfo options_action_type[] =
2391 {
2392   { CA_NO_ACTION,               "no action"                     },
2393   { CA_UNDEFINED,               " "                             },
2394   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2395   { CA_RESTART_LEVEL,           "restart level"                 },
2396   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2397   { CA_SET_LEVEL_TIME,          "set time"                      },
2398   { CA_SET_LEVEL_SCORE,         "set score"                     },
2399   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2400   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2401   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2402   { CA_UNDEFINED,               " "                             },
2403   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2404   { CA_MOVE_PLAYER,             "move player"                   },
2405   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2406   { CA_EXIT_PLAYER,             "exit player"                   },
2407   { CA_KILL_PLAYER,             "kill player"                   },
2408   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2409   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2410   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2411   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2412   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2413   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2414   { CA_UNDEFINED,               " "                             },
2415   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2416   { CA_SET_CE_VALUE,            "set CE value"                  },
2417   { CA_SET_CE_SCORE,            "set CE score"                  },
2418   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2419   { CA_UNDEFINED,               " "                             },
2420   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2421   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2422
2423   { -1,                         NULL                            }
2424 };
2425
2426 static struct ValueTextInfo options_action_mode_none[] =
2427 {
2428   { CA_MODE_UNDEFINED,          " "                             },
2429
2430   { -1,                         NULL                            }
2431 };
2432
2433 static struct ValueTextInfo options_action_mode_assign[] =
2434 {
2435   { CA_MODE_SET,                "="                             },
2436
2437   { -1,                         NULL                            }
2438 };
2439
2440 static struct ValueTextInfo options_action_mode_add_remove[] =
2441 {
2442   { CA_MODE_ADD,                "+"                             },
2443   { CA_MODE_SUBTRACT,           "-"                             },
2444
2445   { -1,                         NULL                            }
2446 };
2447
2448 static struct ValueTextInfo options_action_mode_calculate[] =
2449 {
2450   { CA_MODE_SET,                "="                             },
2451   { CA_MODE_ADD,                "+"                             },
2452   { CA_MODE_SUBTRACT,           "-"                             },
2453   { CA_MODE_MULTIPLY,           "*"                             },
2454   { CA_MODE_DIVIDE,             "/"                             },
2455   { CA_MODE_MODULO,             "%"                             },
2456
2457   { -1,                         NULL                            }
2458 };
2459
2460 static struct ValueTextInfo options_action_arg_none[] =
2461 {
2462   { CA_ARG_UNDEFINED,           "         "                     },
2463
2464   { -1,                         NULL                            }
2465 };
2466
2467 static struct ValueTextInfo options_action_arg_player[] =
2468 {
2469   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2470   { CA_ARG_PLAYER_1,            "1"                             },
2471   { CA_ARG_PLAYER_2,            "2"                             },
2472   { CA_ARG_PLAYER_3,            "3"                             },
2473   { CA_ARG_PLAYER_4,            "4"                             },
2474   { CA_ARG_PLAYER_ANY,          "any"                           },
2475   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2476   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2477
2478   { -1,                         NULL                            }
2479 };
2480
2481 static struct ValueTextInfo options_action_arg_number[] =
2482 {
2483   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2484   { CA_ARG_0,                   "0"                             },
2485   { CA_ARG_1,                   "1"                             },
2486   { CA_ARG_2,                   "2"                             },
2487   { CA_ARG_3,                   "3"                             },
2488   { CA_ARG_4,                   "4"                             },
2489   { CA_ARG_5,                   "5"                             },
2490   { CA_ARG_10,                  "10"                            },
2491   { CA_ARG_100,                 "100"                           },
2492   { CA_ARG_1000,                "1000"                          },
2493   { CA_ARG_UNDEFINED,           " "                             },
2494   { CA_ARG_NUMBER_MIN,          "min"                           },
2495   { CA_ARG_NUMBER_MAX,          "max"                           },
2496   { CA_ARG_UNDEFINED,           " "                             },
2497   { CA_ARG_NUMBER_RESET,        "reset"                         },
2498   { CA_ARG_UNDEFINED,           " "                             },
2499   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2500   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2501   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2502   { CA_ARG_UNDEFINED,           " "                             },
2503   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2504   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2505   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2506   { CA_ARG_UNDEFINED,           " "                             },
2507   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2508   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2509   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2510   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2511   { CA_ARG_UNDEFINED,           " "                             },
2512   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2513   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2514   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2515   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2516
2517   { -1,                         NULL                            }
2518 };
2519
2520 static struct ValueTextInfo options_action_arg_value[] =
2521 {
2522   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2523   { CA_ARG_0,                   "0"                             },
2524   { CA_ARG_1,                   "1"                             },
2525   { CA_ARG_2,                   "2"                             },
2526   { CA_ARG_3,                   "3"                             },
2527   { CA_ARG_4,                   "4"                             },
2528   { CA_ARG_5,                   "5"                             },
2529   { CA_ARG_10,                  "10"                            },
2530   { CA_ARG_100,                 "100"                           },
2531   { CA_ARG_1000,                "1000"                          },
2532   { CA_ARG_UNDEFINED,           " "                             },
2533   { CA_ARG_NUMBER_MIN,          "min"                           },
2534   { CA_ARG_NUMBER_MAX,          "max"                           },
2535   { CA_ARG_UNDEFINED,           " "                             },
2536   { CA_ARG_NUMBER_RESET,        "reset"                         },
2537   { CA_ARG_UNDEFINED,           " "                             },
2538   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2539   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2540   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2541   { CA_ARG_UNDEFINED,           " "                             },
2542   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2543   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2544   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2545   { CA_ARG_UNDEFINED,           " "                             },
2546   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2547   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2548   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2549   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2550   { CA_ARG_UNDEFINED,           " "                             },
2551   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2552   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2553   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2554   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2555   { CA_ARG_UNDEFINED,           " "                             },
2556   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2557   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2558   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2559   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2560
2561   { -1,                         NULL                            }
2562 };
2563
2564 static struct ValueTextInfo options_action_arg_envelope[] =
2565 {
2566   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2567   { CA_ARG_1,                   "1"                             },
2568   { CA_ARG_2,                   "2"                             },
2569   { CA_ARG_3,                   "3"                             },
2570   { CA_ARG_4,                   "4"                             },
2571   { CA_ARG_UNDEFINED,           " "                             },
2572   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2573   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2574   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2575   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2576
2577   { -1,                         NULL                            }
2578 };
2579
2580 static struct ValueTextInfo options_action_arg_key[] =
2581 {
2582   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2583   { CA_ARG_1,                   "1"                             },
2584   { CA_ARG_2,                   "2"                             },
2585   { CA_ARG_3,                   "3"                             },
2586   { CA_ARG_4,                   "4"                             },
2587   { CA_ARG_5,                   "5"                             },
2588   { CA_ARG_6,                   "6"                             },
2589   { CA_ARG_7,                   "7"                             },
2590   { CA_ARG_8,                   "8"                             },
2591   { CA_ARG_UNDEFINED,           " "                             },
2592   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2593   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2594   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2595   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2596
2597   { -1,                         NULL                            }
2598 };
2599
2600 static struct ValueTextInfo options_action_arg_speed[] =
2601 {
2602   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2603   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2604   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2605   { CA_ARG_SPEED_SLOW,          "slow"                          },
2606   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2607   { CA_ARG_SPEED_FAST,          "fast"                          },
2608   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2609   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2610   { CA_ARG_UNDEFINED,           " "                             },
2611   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2612   { CA_ARG_SPEED_FASTER,        "faster"                        },
2613   { CA_ARG_UNDEFINED,           " "                             },
2614   { CA_ARG_SPEED_RESET,         "reset"                         },
2615
2616   { -1,                         NULL                            }
2617 };
2618
2619 static struct ValueTextInfo options_action_arg_shield[] =
2620 {
2621   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2622   { CA_ARG_SHIELD_OFF,          "off"                           },
2623   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2624   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2625
2626   { -1,                         NULL                            }
2627 };
2628
2629 static struct ValueTextInfo options_action_arg_artwork[] =
2630 {
2631   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2632   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2633   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2634   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2635   { CA_ARG_UNDEFINED,           " "                             },
2636   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2637
2638   { -1,                         NULL                            }
2639 };
2640
2641 static struct ValueTextInfo options_action_arg_gravity[] =
2642 {
2643   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2644   { CA_ARG_GRAVITY_ON,          "on"                            },
2645   { CA_ARG_GRAVITY_OFF,         "off"                           },
2646   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2647
2648   { -1,                         NULL                            }
2649 };
2650
2651 static struct ValueTextInfo options_action_arg_direction[] =
2652 {
2653   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2654   { CA_ARG_DIRECTION_NONE,      "none"                          },
2655   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2656   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2657   { CA_ARG_DIRECTION_UP,        "up"                            },
2658   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2659   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2660   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2661
2662   { -1,                         NULL                            }
2663 };
2664
2665 static struct ValueTextInfo options_action_arg_scan_mode[] =
2666 {
2667   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2668   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2669   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2670
2671   { -1,                         NULL                            }
2672 };
2673
2674 static struct ValueTextInfo options_action_arg_inventory[] =
2675 {
2676   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2677   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2678   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2679   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2680   { CA_ARG_UNDEFINED,           " "                             },
2681   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2682   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2683   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2684   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2685   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2686   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2687   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2688   { CA_ARG_UNDEFINED,           " "                             },
2689   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2690
2691   { -1,                         NULL                            }
2692 };
2693
2694 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2695 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2696 {
2697   { -1,                         NULL                            }
2698 };
2699
2700 static struct ValueTextInfo options_group_choice_mode[] =
2701 {
2702   { ANIM_RANDOM,                "random"                        },
2703   { ANIM_LOOP,                  "loop"                          },
2704   { ANIM_LINEAR,                "linear"                        },
2705   { ANIM_PINGPONG,              "pingpong"                      },
2706   { ANIM_PINGPONG2,             "pingpong 2"                    },
2707   { ANIM_LEVEL_NR,              "level number"                  },
2708
2709   { -1,                         NULL                            }
2710 };
2711
2712 static struct ValueTextInfo options_bd_scheduling_type[] =
2713 {
2714   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2715   { GD_SCHEDULING_BD1,            "BD1"                         },
2716   { GD_SCHEDULING_BD2,            "BD2"                         },
2717   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2718   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2719   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2720   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2721
2722   { -1,                           NULL                          }
2723 };
2724
2725 static struct ValueTextInfo *action_arg_modes[] =
2726 {
2727   options_action_mode_none,
2728   options_action_mode_assign,
2729   options_action_mode_add_remove,
2730   options_action_mode_calculate,
2731 };
2732
2733 static struct
2734 {
2735   int value;
2736   int mode;
2737   struct ValueTextInfo *options;
2738 }
2739 action_arg_options[] =
2740 {
2741   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2742   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2743   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2744   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2745   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2746   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2747   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2748   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2749   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2750   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2751   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2752   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2753   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2754   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2755   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2756   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2757   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2758   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2759   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2760   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2761   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2762   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2763
2764   { -1,                         FALSE,  NULL                            }
2765 };
2766
2767 static struct
2768 {
2769   int gadget_type_id;
2770   int x, y;
2771   int gadget_id;
2772   int gadget_id_align;
2773   int size;     // char size of selectbox or '-1' (dynamically determined)
2774   struct ValueTextInfo *options;
2775   int *value;
2776   char *text_above, *text_left, *text_right, *infotext;
2777 } selectbox_info[ED_NUM_SELECTBOX] =
2778 {
2779   // ---------- level and editor settings -------------------------------------
2780
2781   {
2782     ED_SELECTBOX_ID_TIME_OR_STEPS,
2783     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2784     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2785     -1,
2786     options_time_or_steps,
2787     &level.use_step_counter,
2788     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2789   },
2790   {
2791     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2792     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2793     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2794     -1,
2795     options_time_score_base,
2796     &level.time_score_base,
2797     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2798   },
2799   {
2800     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2801     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2802     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2803     -1,
2804     options_game_engine_type,
2805     &level.game_engine_type,
2806     NULL, "Game engine:", NULL,         "Select game engine"
2807   },
2808   {
2809     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2810     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2811     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2812     -1,
2813     options_bd_scheduling_type,
2814     &level.bd_scheduling_type,
2815     NULL, "Scheduling type:", NULL,     "Select level timing"
2816   },
2817   {
2818     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2819     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2820     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2821     -1,
2822     options_levelset_save_mode,
2823     &levelset_save_mode,
2824     "Action:", NULL, NULL,              "Select action when saving level set"
2825   },
2826
2827   // ---------- element settings: configure (several elements) ----------------
2828
2829   {
2830     ED_SELECTBOX_ID_WIND_DIRECTION,
2831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2832     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2833     -1,
2834     options_wind_direction,
2835     &level.wind_direction_initial,
2836     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2837   },
2838   {
2839     ED_SELECTBOX_ID_PLAYER_SPEED,
2840     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2841     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2842     -1,
2843     options_player_speed,
2844     &level.initial_player_stepsize[0],
2845     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2846   },
2847   {
2848     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2850     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2851     -1,
2852     options_group_choice_mode,
2853     &level.mm_ball_choice_mode,
2854     NULL, "Choice type:", NULL,         "Select type of content choice"
2855   },
2856
2857   // ---------- element settings: configure 1 (custom elements) ---------------
2858
2859   {
2860     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2861     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2862     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2863     -1,
2864     options_access_type,
2865     &custom_element.access_type,
2866     NULL, NULL, NULL,                   "Select type of access to this field"
2867   },
2868   {
2869     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2870     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2871     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2872     -1,
2873     options_access_layer,
2874     &custom_element.access_layer,
2875     NULL, NULL, NULL,                   "Select layer of access for this field"
2876   },
2877   {
2878     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2879     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2880     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2881     -1,
2882     options_access_protected,
2883     &custom_element.access_protected,
2884     NULL, NULL, NULL,                   "Select protected access for this field"
2885   },
2886   {
2887     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2888     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2889     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2890     -1,
2891     options_access_direction,
2892     &custom_element.access_direction,
2893     NULL, "from", NULL,                 "Select access direction for this field"
2894   },
2895   {
2896     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2897     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2898     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2899     -1,
2900     options_walk_to_action,
2901     &custom_element.walk_to_action,
2902     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2903   },
2904
2905   // ---------- element settings: configure 2 (custom elements) ---------------
2906
2907   {
2908     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2909     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2910     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2911     -1,
2912     options_move_pattern,
2913     &custom_element.move_pattern,
2914     NULL, "Can move", NULL,             "Select element move pattern"
2915   },
2916   {
2917     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2918     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2919     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2920     -1,
2921     options_move_direction,
2922     &custom_element.move_direction_initial,
2923     NULL, "Starts moving", NULL,        "Select initial element move direction"
2924   },
2925   {
2926     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2927     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2928     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2929     -1,
2930     options_move_stepsize,
2931     &custom_element.move_stepsize,
2932     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2933   },
2934   {
2935     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2936     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2937     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2938     -1,
2939     options_move_leave_type,
2940     &custom_element.move_leave_type,
2941     // left text with leading spaces to place gadget next to "can dig" gadget
2942     // (needed because drawing area gadgets created after selectbox gadgets)
2943     // NULL, "can dig:    can", ":",    "leave behind or change element"
2944     NULL, "            Can", ":",       "Select leave behind or change element"
2945   },
2946   {
2947     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2948     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2949     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2950     -1,
2951     options_smash_targets,
2952     &custom_element.smash_targets,
2953     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2954   },
2955   {
2956     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2957     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2958     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2959     -1,
2960     options_slippery_type,
2961     &custom_element.slippery_type,
2962     NULL, "Slippery", NULL,             "Select where other elements fall down"
2963   },
2964   {
2965     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2966     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2967     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2968     -1,
2969     options_deadliness,
2970     &custom_element.deadliness,
2971     NULL, "Deadly when", NULL,          "Select deadliness of element"
2972   },
2973   {
2974     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2975     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2976     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2977     -1,
2978     options_explosion_type,
2979     &custom_element.explosion_type,
2980     NULL, "Can explode", NULL,          "Select explosion type"
2981   },
2982
2983   // ---------- element settings: advanced (custom elements) ------------------
2984
2985   {
2986     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2987     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2988     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2989     -1,
2990     options_time_units,
2991     &custom_element_change.delay_frames,
2992     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2993   },
2994   {
2995     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2996     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2997     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2998     -1,
2999     options_change_direct_action,
3000     &custom_element_change.direct_action,
3001     NULL, NULL, NULL,                   "Select type of direct action"
3002   },
3003   {
3004     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3005     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
3006     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
3007     -1,
3008     options_change_other_action,
3009     &custom_element_change.other_action,
3010     NULL, NULL, "element:",             "Select type of other element action"
3011   },
3012   {
3013     ED_SELECTBOX_ID_CHANGE_SIDE,
3014     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
3015     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
3016     -1,
3017     options_change_trigger_side,
3018     &custom_element_change.trigger_side,
3019     NULL, "at", "side",                 "Select element side triggering change"
3020   },
3021   {
3022     ED_SELECTBOX_ID_CHANGE_PLAYER,
3023     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3024     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
3025     -1,
3026     options_change_trigger_player,
3027     &custom_element_change.trigger_player,
3028     NULL, "Player:", " ",               "Select player that causes change"
3029   },
3030   {
3031     ED_SELECTBOX_ID_CHANGE_PAGE,
3032     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3033     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
3034     -1,
3035     options_change_trigger_page,
3036     &custom_element_change.trigger_page,
3037     NULL, "Page:", NULL,                "Select change page that causes change"
3038   },
3039   {
3040     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3041     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3042     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3043     -1,
3044     options_change_replace_when,
3045     &custom_element_change.replace_when,
3046     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3047   },
3048   {
3049     ED_SELECTBOX_ID_ACTION_TYPE,
3050     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3051     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3052     15,
3053     options_action_type,
3054     &custom_element_change.action_type,
3055     NULL, NULL, NULL,                   "Select action on specified condition"
3056   },
3057   {
3058     ED_SELECTBOX_ID_ACTION_MODE,
3059     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3060     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3061     -1,
3062     options_action_mode_none,
3063     &custom_element_change.action_mode,
3064     NULL, NULL, NULL,                   "Select action operator"
3065   },
3066   {
3067     ED_SELECTBOX_ID_ACTION_ARG,
3068     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3069     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3070     -1,
3071     options_action_arg_none,
3072     &custom_element_change.action_arg,
3073     NULL, NULL, NULL,                   "Select action parameter"
3074   },
3075   {
3076     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3077     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3078     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3079     3,
3080     options_change_page,
3081     &custom_element.current_change_page,
3082     NULL, NULL, NULL,                   "Select element change page"
3083   },
3084
3085   // ---------- element settings: configure (group elements) ------------------
3086
3087   {
3088     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3089     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3090     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3091     -1,
3092     options_group_choice_mode,
3093     &group_element_info.choice_mode,
3094     NULL, "Choice type:", NULL,         "Select type of group element choice"
3095   },
3096 };
3097
3098 static struct
3099 {
3100   int gadget_type_id;
3101   int x, y;
3102   int gadget_id;
3103   int gadget_id_align;
3104   int size;
3105   char *text;
3106   char *text_above, *text_left, *text_right, *infotext;
3107 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3108 {
3109   // ---------- level and editor settings (tabs) ------------------------------
3110
3111   {
3112     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3113     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3114     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3115     8,                                  "Level",
3116     NULL, NULL, NULL,                   "Configure level settings"
3117   },
3118   {
3119     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3120     -1,                                 -1,
3121     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3122     8,                                  "Levelset",
3123     NULL, NULL, NULL,                   "Update this or create new level set"
3124   },
3125   {
3126     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3127     -1,                                 -1,
3128     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3129     8,                                  "Editor",
3130     NULL, NULL, NULL,                   "Configure editor settings"
3131   },
3132   {
3133     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3134     -1,                                 -1,
3135     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3136     8,                                  "Engine",
3137     NULL, NULL, NULL,                   "Configure engine settings"
3138   },
3139
3140   // ---------- element settings (tabs) ---------------------------------------
3141
3142   {
3143     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3144     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3145     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3146     8,                                  "Info",
3147     NULL, NULL, NULL,                   "Show information about element"
3148   },
3149   {
3150     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3151     -1,                                 -1,
3152     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3153     8,                                  "Config",
3154     NULL, NULL, NULL,                   "Configure element properties"
3155   },
3156   {
3157     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3158     -1,                                 -1,
3159     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3160     8,                                  "Config 1",
3161     NULL, NULL, NULL,                   "Configure element properties, part 1"
3162   },
3163   {
3164     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3165     -1,                                 -1,
3166     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3167     8,                                  "Config 2",
3168     NULL, NULL, NULL,                   "Configure element properties, part 2"
3169   },
3170   {
3171     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3172     -1,                                 -1,
3173     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3174     8,                                  "Change",
3175     NULL, NULL, NULL,                   "Configure custom element change pages"
3176   },
3177
3178   // ---------- level and editor settings (buttons) ---------------------------
3179
3180   {
3181     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3182     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3183     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3184     -1,                                 "Save",
3185     NULL, NULL, NULL,                   "Update or create level set"
3186   },
3187   {
3188     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3189     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3190     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3191     -1,                                 "Save",
3192     NULL, NULL,                         "this level as level template",
3193     "Save current settings as new template"
3194   },
3195
3196   // ---------- element settings (buttons) ------------------------------------
3197
3198   {
3199     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3200     -1,                                 -1,
3201     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3202     -1,                                 "Save",
3203     NULL, " ",                          "As Template",
3204     "Save current settings as new template"
3205   },
3206   {
3207     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3208     -1,                                 -1,
3209     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3210     -1,                                 "New",
3211     NULL, NULL, NULL,                   "Add new change page"
3212   },
3213   {
3214     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3215     -1,                                 -1,
3216     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3217     -1,                                 "Delete",
3218     NULL, NULL, NULL,                   "Delete current change page"
3219   },
3220 };
3221
3222 static struct
3223 {
3224   int gadget_type_id;
3225   int graphic;
3226   int x, y;
3227   int gadget_id;
3228   int gadget_id_align;
3229   char *text_left, *text_right, *infotext;
3230 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3231 {
3232   {
3233     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3234     IMG_EDITOR_COUNTER_DOWN,
3235     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3236     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3237     NULL, NULL,                         "Select previous change page"
3238   },
3239   {
3240     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3241     IMG_EDITOR_COUNTER_UP,
3242     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3243     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3244     NULL, "Change page",                "Select next change page"
3245   },
3246   {
3247     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3248     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3249     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3250     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3251     " ", NULL,                          "Copy settings from this change page"
3252   },
3253   {
3254     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3255     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3256     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3257     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3258     NULL, NULL,                         "Paste settings to this change page"
3259   },
3260 };
3261
3262 static struct
3263 {
3264   int x, y;
3265 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3266
3267 static struct
3268 {
3269   int gadget_type_id;
3270   int graphic;
3271   int gadget_id;
3272   char *infotext;
3273 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3274 {
3275   {
3276     ED_SCROLLBUTTON_ID_AREA_UP,
3277     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3278     GADGET_ID_SCROLL_UP,
3279     "Scroll level editing area up"
3280   },
3281   {
3282     ED_SCROLLBUTTON_ID_AREA_DOWN,
3283     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3284     GADGET_ID_SCROLL_DOWN,
3285     "Scroll level editing area down"
3286   },
3287   {
3288     ED_SCROLLBUTTON_ID_AREA_LEFT,
3289     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3290     GADGET_ID_SCROLL_LEFT,
3291     "Scroll level editing area left"
3292   },
3293   {
3294     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3295     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3296     GADGET_ID_SCROLL_RIGHT,
3297     "Scroll level editing area right"
3298   },
3299   {
3300     ED_SCROLLBUTTON_ID_LIST_UP,
3301     IMG_EDITOR_PALETTE_SCROLL_UP,
3302     GADGET_ID_SCROLL_LIST_UP,
3303     "Scroll element list up ('Page Up')"
3304   },
3305   {
3306     ED_SCROLLBUTTON_ID_LIST_DOWN,
3307     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3308     GADGET_ID_SCROLL_LIST_DOWN,
3309     "Scroll element list down ('Page Down')"
3310   },
3311 };
3312
3313 static struct
3314 {
3315   int x, y;
3316   int width, height;
3317   int wheel_x, wheel_y;
3318   int wheel_width, wheel_height;
3319 } scrollbar_pos[ED_NUM_SCROLLBARS];
3320
3321 static struct
3322 {
3323   int gadget_type_id;
3324   int graphic;
3325   int type;
3326   int gadget_id;
3327   char *infotext;
3328 } scrollbar_info[ED_NUM_SCROLLBARS] =
3329 {
3330   {
3331     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3332     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3333     GD_TYPE_SCROLLBAR_HORIZONTAL,
3334     GADGET_ID_SCROLL_HORIZONTAL,
3335     "Scroll level editing area horizontally"
3336   },
3337   {
3338     ED_SCROLLBAR_ID_AREA_VERTICAL,
3339     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3340     GD_TYPE_SCROLLBAR_VERTICAL,
3341     GADGET_ID_SCROLL_VERTICAL,
3342     "Scroll level editing area vertically"
3343   },
3344   {
3345     ED_SCROLLBAR_ID_LIST_VERTICAL,
3346     IMG_EDITOR_PALETTE_SCROLLBAR,
3347     GD_TYPE_SCROLLBAR_VERTICAL,
3348     GADGET_ID_SCROLL_LIST_VERTICAL,
3349     "Scroll element list vertically"
3350   }
3351 };
3352
3353
3354 static struct
3355 {
3356   int gadget_type_id;
3357   int x, y;
3358   int gadget_id;
3359   int gadget_id_align;
3360   int radio_button_nr;
3361   int *value;
3362   int checked_value;
3363   char *text_left, *text_right, *infotext;
3364 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3365 {
3366   {
3367     ED_RADIOBUTTON_ID_PERCENTAGE,
3368     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3369     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3370     RADIO_NR_RANDOM_ELEMENTS,
3371     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3372     " ", "percentage",                  "Use percentage for random elements"
3373   },
3374   {
3375     ED_RADIOBUTTON_ID_QUANTITY,
3376     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3377     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3378     RADIO_NR_RANDOM_ELEMENTS,
3379     &random_placement_method,           RANDOM_USE_QUANTITY,
3380     " ", "quantity",                    "Use quantity for random elements"
3381   }
3382 };
3383
3384 static struct
3385 {
3386   int gadget_type_id;
3387   int x, y;
3388   int gadget_id;
3389   int gadget_id_align;
3390   boolean *value;
3391   char *text_above, *text_left, *text_right, *infotext;
3392 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3393 {
3394   // ---------- level and editor settings -------------------------------------
3395
3396   {
3397     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3398     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3399     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3400     &level.auto_count_gems,
3401     NULL, NULL,
3402     "Automatically count gems needed",  "Set counter to number of gems"
3403   },
3404   {
3405     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3406     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3407     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3408     &level.rate_time_over_score,
3409     NULL, NULL,
3410     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3411   },
3412   {
3413     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3414     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3415     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3416     &levelset_use_levelset_artwork,
3417     NULL, NULL,
3418     "Use current custom artwork",       "Use custom artwork of this level set"
3419   },
3420   {
3421     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3422     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3423     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3424     &levelset_copy_level_template,
3425     NULL, NULL,
3426     "Copy current level template",      "Copy level template of this level set"
3427   },
3428   {
3429     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3430     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3431     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3432     &random_placement_background_restricted,
3433     NULL, NULL,
3434     "Restrict random placement to:",    "Set random placement restriction"
3435   },
3436   {
3437     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3438     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3439     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3440     &setup.editor.use_template_for_new_levels,
3441     "Template for new levels and CE/GE:", NULL,
3442     "Use template for new levels",      "Use template for level properties"
3443   },
3444   {
3445     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3447     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3448     &level.use_custom_template,
3449     NULL, NULL,
3450     "Use template for custom elements", "Use template for custom properties"
3451   },
3452   {
3453     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3454     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3455     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3456     &level.bd_intermission,
3457     "Boulder Dash game engine settings:", NULL,
3458     "Intermission",                     "Level is an intermission level"
3459   },
3460   {
3461     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3462     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3463     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3464     &level.bd_pal_timing,
3465     NULL, NULL,
3466     "PAL timing",                       "Use slower timer (like PAL C64)"
3467   },
3468   {
3469     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3470     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3471     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3472     &level.bd_line_shifting_borders,
3473     "Compatibility settings:", NULL,
3474     "Line-shifting borders",            "Use line-shifting wrap-around"
3475   },
3476   {
3477     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3478     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3479     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3480     &level.bd_scan_first_and_last_row,
3481     NULL, NULL,
3482     "Scan first and last row",          "Also process top/bottom border rows"
3483   },
3484   {
3485     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3486     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3487     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3488     &level.bd_short_explosions,
3489     NULL, NULL,
3490     "Short explosions",                 "Use four game cycles for explosions"
3491   },
3492   {
3493     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3494     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3495     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3496     &level.bd_gravity_affects_all,
3497     NULL, NULL,
3498     "Gravity change affects everything", "Gravity affects all falling objects"
3499   },
3500
3501   // ---------- element settings: configure (various elements) ----------------
3502
3503   {
3504     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3505     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3506     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3507     &stick_element_properties_window,
3508     NULL, NULL,
3509     "Stick this screen to edit content","Stick this screen to edit content"
3510   },
3511   {
3512     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3513     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3514     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3515     &level.em_slippery_gems,
3516     NULL, NULL,
3517     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3518   },
3519   {
3520     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3521     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3522     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3523     &level.em_explodes_by_fire,
3524     NULL, NULL,
3525     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3526   },
3527   {
3528     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3529     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3530     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3531     &level.use_spring_bug,
3532     NULL, NULL,
3533     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3534   },
3535   {
3536     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3537     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3538     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3539     &level.use_time_orb_bug,
3540     NULL, NULL,
3541     "Use time orb bug",                 "Use odd time orb behaviour"
3542   },
3543   {
3544     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3545     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3546     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3547     &level.use_life_bugs,
3548     NULL, NULL,
3549     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3550   },
3551   {
3552     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3553     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3554     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3555     &level.ball_random,
3556     NULL, NULL,
3557     "Create single random element",     "Only create one element from content"
3558   },
3559   {
3560     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3561     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3562     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3563     &level.ball_active_initial,
3564     NULL, NULL,
3565     "Magic ball initially activated",   "Activate magic ball after level start"
3566   },
3567   {
3568     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3569     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3570     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3571     &level.grow_into_diggable,
3572     NULL, NULL,
3573     "Can grow into anything diggable",  "Grow into more than just sand"
3574   },
3575   {
3576     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3577     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3578     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3579     &level.sb_fields_needed,
3580     NULL, NULL,
3581     "All fields need to be filled",     "Require all SB fields to be solved"
3582   },
3583   {
3584     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3585     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3586     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3587     &level.sb_objects_needed,
3588     NULL, NULL,
3589     "All objects need to be placed",    "Require all SB objects to be solved"
3590   },
3591   {
3592     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3593     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3594     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3595     &level.auto_exit_sokoban,
3596     NULL, NULL,
3597     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3598   },
3599   {
3600     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3601     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3602     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3603     &level.solved_by_one_player,
3604     NULL, NULL,
3605     "Only one player must enter exit",  "Level solved by first player in exit"
3606   },
3607   {
3608     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3609     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3610     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3611     &level.finish_dig_collect,
3612     NULL, NULL,
3613     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3614   },
3615   {
3616     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3617     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3618     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3619     &level.keep_walkable_ce,
3620     NULL, NULL,
3621     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3622   },
3623   {
3624     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3625     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3626     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3627     &level.continuous_snapping,
3628     NULL, NULL,
3629     "Continuous snapping",              "Use snapping without releasing key"
3630   },
3631   {
3632     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3633     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3634     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3635     &level.block_snap_field,
3636     NULL, NULL,
3637     "Block snapped field when snapping", "Use snapping delay to show animation"
3638   },
3639   {
3640     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3641     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3642     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3643     &level.block_last_field,
3644     NULL, NULL,
3645     "Block last field when moving",     "Player blocks last field when moving"
3646   },
3647   {
3648     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3649     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3650     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3651     &level.sp_block_last_field,
3652     NULL, NULL,
3653     "Block last field when moving",     "Player blocks last field when moving"
3654   },
3655   {
3656     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3657     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3658     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3659     &level.instant_relocation,
3660     NULL, NULL,
3661     "No scrolling when relocating",     "Player gets relocated without delay"
3662   },
3663   {
3664     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3665     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3666     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3667     &level.shifted_relocation,
3668     NULL, NULL,
3669     "No centering when relocating",     "Level not centered after relocation"
3670   },
3671   {
3672     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3674     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3675     &level.lazy_relocation,
3676     NULL, NULL,
3677     "Only redraw off-screen relocation","No redraw if relocation target visible"
3678   },
3679   {
3680     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3681     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3682     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3683     &level.use_start_element[0],
3684     NULL, NULL,
3685     "Use level start element:",        "Start level at this element's position"
3686   },
3687   {
3688     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3689     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3690     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3691     &level.use_artwork_element[0],
3692     NULL, NULL,
3693     "Use artwork from element:",        "Use player artwork from other element"
3694   },
3695   {
3696     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3697     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3698     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3699     &level.use_explosion_element[0],
3700     NULL, NULL,
3701     "Use explosion from element:",      "Use explosion properties from element"
3702   },
3703   {
3704     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3706     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3707     &level.initial_player_gravity[0],
3708     NULL, NULL,
3709     "Use initial gravity",              "Set initial player gravity"
3710   },
3711   {
3712     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3713     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3714     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3715     &level.use_initial_inventory[0],
3716     NULL, NULL,
3717     "Use initial inventory:",           "Use collected elements on level start"
3718   },
3719   {
3720     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3721     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3722     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3723     &level.can_pass_to_walkable,
3724     NULL, NULL,
3725     "Can pass to walkable element",     "Player can pass to empty or walkable"
3726   },
3727   {
3728     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3729     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3730     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3731     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3732     NULL, NULL,
3733     "Can fall into acid (with gravity)","Player can fall into acid pool"
3734   },
3735   {
3736     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3737     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3738     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3739     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3740     NULL, NULL,
3741     "Can move into acid",               "Element can move into acid pool"
3742   },
3743   {
3744     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3745     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3746     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3747     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3748     NULL, NULL,
3749     "Deadly when colliding with",       "Element is deadly when hitting player"
3750   },
3751   {
3752     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3753     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3754     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3755     &level.bd_diagonal_movements,
3756     NULL, NULL,
3757     "Can move diagonally",              "Player can move diagonally"
3758   },
3759   {
3760     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3761     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3762     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3763     &level.bd_topmost_player_active,
3764     NULL, NULL,
3765     "Topmost player is active",         "Use first player found on playfield"
3766   },
3767   {
3768     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3769     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3770     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3771     &level.bd_push_mega_rock_with_sweet,
3772     NULL, NULL,
3773     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3774   },
3775   {
3776     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3777     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3778     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3779     &level.bd_magic_wall_wait_hatching,
3780     NULL, NULL,
3781     "Wait for player's birth",          "Timer start waits for player's birth"
3782   },
3783   {
3784     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3785     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3786     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3787     &level.bd_magic_wall_stops_amoeba,
3788     NULL, NULL,
3789     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3790   },
3791   {
3792     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3793     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3794     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3795     &level.bd_amoeba_wait_for_hatching,
3796     NULL, NULL,
3797     "Wait for player's birth",          "Timer start waits for player's birth"
3798   },
3799   {
3800     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3801     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3802     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3803     &level.bd_amoeba_start_immediately,
3804     NULL, NULL,
3805     "Start growing immediately",        "Start slow growth time immediately"
3806   },
3807   {
3808     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3809     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3810     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3811     &level.bd_amoeba_2_explode_by_amoeba,
3812     NULL, NULL,
3813     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3814   },
3815   {
3816     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3817     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3818     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3819     &level.bd_voodoo_collects_diamonds,
3820     NULL, NULL,
3821     "Can collect diamonds",             "Can collect diamonds for the player"
3822   },
3823   {
3824     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3825     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3826     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3827     &level.bd_voodoo_hurt_kills_player,
3828     NULL, NULL,
3829     "Player is killed if hurt",         "If hurt in any way, player is killed"
3830   },
3831   {
3832     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3833     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3834     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3835     &level.bd_voodoo_dies_by_rock,
3836     NULL, NULL,
3837     "Killed by falling rock",           "Can be killed by a falling rock"
3838   },
3839   {
3840     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3841     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3842     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3843     &level.bd_voodoo_vanish_by_explosion,
3844     NULL, NULL,
3845     "Disappears in explosions",         "Can be destroyed by explosions"
3846   },
3847   {
3848     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3849     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3850     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3851     &level.bd_slime_is_predictable,
3852     NULL, NULL,
3853     "Slime is predictable",             "Use predictable random numbers"
3854   },
3855   {
3856     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3857     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3858     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3859     &level.bd_change_expanding_wall,
3860     NULL, NULL,
3861     "Change direction",                 "Switch horizontal/vertical direction"
3862   },
3863   {
3864     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3865     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3866     GADGET_ID_BD_REPLICATORS_ACTIVE,    GADGET_ID_NONE,
3867     &level.bd_replicators_active,
3868     NULL, NULL,
3869     "Active at start",                  "Replicators start in active state"
3870   },
3871   {
3872     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3873     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3874     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE, GADGET_ID_NONE,
3875     &level.bd_conveyor_belts_active,
3876     NULL, NULL,
3877     "Active at start",                  "Conveyor belts start in active state"
3878   },
3879   {
3880     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3881     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3882     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED, GADGET_ID_NONE,
3883     &level.bd_conveyor_belts_changed,
3884     NULL, NULL,
3885     "Change direction",                 "Switch conveyor belt direction"
3886   },
3887   {
3888     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3889     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3890     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN, GADGET_ID_NONE,
3891     &level.bd_water_cannot_flow_down,
3892     NULL, NULL,
3893     "Does not flow downwards",          "Water can only flow up, left and right"
3894   },
3895   {
3896     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
3897     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3898     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR, GADGET_ID_NONE,
3899     &level.bd_hammer_walls_reappear,
3900     NULL, NULL,
3901     "Hammered walls reappear",          "Hammered walls reappear after delay"
3902   },
3903   {
3904     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3905     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3906     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3907     &level.envelope[0].autowrap,
3908     NULL, NULL,
3909     "Auto-wrap",                        "Automatically wrap envelope text"
3910   },
3911   {
3912     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3913     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3914     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3915     &level.envelope[0].centered,
3916     NULL, " ",
3917     "Centered",                         "Automatically center envelope text"
3918   },
3919   {
3920     ED_CHECKBUTTON_ID_MM_LASER_RED,
3921     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3922     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3923     &level.mm_laser_red,
3924     "Choose color components for laser:", NULL,
3925     "Red",                              "Use red color components in laser"
3926   },
3927   {
3928     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3929     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3930     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3931     &level.mm_laser_green,
3932     NULL, NULL,
3933     "Green",                            "Use green color components in laser"
3934   },
3935   {
3936     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3937     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3938     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3939     &level.mm_laser_blue,
3940     NULL, NULL,
3941     "Blue",                             "Use blue color components in laser"
3942   },
3943   {
3944     ED_CHECKBUTTON_ID_DF_LASER_RED,
3945     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3946     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3947     &level.df_laser_red,
3948     "Choose color components for laser:", NULL,
3949     "Red",                              "Use red color components in laser"
3950   },
3951   {
3952     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3953     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3954     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3955     &level.df_laser_green,
3956     NULL, NULL,
3957     "Green",                            "Use green color components in laser"
3958   },
3959   {
3960     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3961     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3962     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3963     &level.df_laser_blue,
3964     NULL, NULL,
3965     "Blue",                             "Use blue color components in laser"
3966   },
3967   {
3968     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3969     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3970     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3971     &level.rotate_mm_ball_content,
3972     NULL, NULL,
3973     "Randomly rotate created content",  "Randomly rotate newly created content"
3974   },
3975   {
3976     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3977     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3978     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3979     &level.explode_mm_ball,
3980     NULL, NULL,
3981     "Explode ball instead of melting",  "Use explosion to release ball content"
3982   },
3983
3984   // ---------- element settings: configure 1 (custom elements) ---------------
3985
3986   {
3987     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3988     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3989     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3990     &custom_element.use_gfx_element,
3991     NULL, NULL,
3992     "Use graphic of element:",          "Use existing element graphic"
3993   },
3994   {
3995     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3996     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3997     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3998     &level.use_custom_template,
3999     NULL, NULL,
4000     "Use template",                     "Use template for custom properties"
4001   },
4002   {
4003     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4004     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
4005     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
4006     &custom_element_properties[EP_ACCESSIBLE],
4007     NULL, NULL,
4008     NULL,                               "Player can walk to or pass this field"
4009   },
4010   {
4011     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4012     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4013     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
4014     &custom_element_properties[EP_GRAVITY_REACHABLE],
4015     NULL, NULL,
4016     "Reachable despite gravity",        "Player can walk/dig despite gravity"
4017   },
4018   {
4019     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4020     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4021     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
4022     &custom_element.use_last_ce_value,
4023     NULL, NULL,
4024     "Use last CE value after change",   "Use last CE value after change"
4025   },
4026   {
4027     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4028     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
4029     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
4030     &custom_element_properties[EP_WALK_TO_OBJECT],
4031     NULL, NULL,
4032     NULL,                               "Player can dig/collect/push element"
4033   },
4034   {
4035     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4036     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4037     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
4038     &custom_element_properties[EP_INDESTRUCTIBLE],
4039     NULL, NULL,
4040     "Indestructible",                   "Element is indestructible"
4041   },
4042
4043   // ---------- element settings: configure 2 (custom elements) ---------------
4044
4045   {
4046     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4047     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4048     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
4049     &custom_element_properties[EP_CAN_MOVE],
4050     NULL, NULL,
4051     NULL,                               "Element can move with some pattern"
4052   },
4053   {
4054     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4055     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4056     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
4057     &custom_element_properties[EP_CAN_FALL],
4058     NULL, NULL,
4059     "Can fall",                         "Element can fall down"
4060   },
4061   {
4062     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4063     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
4064     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
4065     &custom_element_properties[EP_CAN_SMASH],
4066     NULL, " ",
4067     NULL,                               "Element can smash other elements"
4068   },
4069   {
4070     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4071     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4072     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
4073     &custom_element_properties[EP_SLIPPERY],
4074     NULL, NULL,
4075     NULL,                               "Other elements can fall down from it"
4076   },
4077   {
4078     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4079     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4080     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4081     &custom_element_properties[EP_DEADLY],
4082     NULL, NULL,
4083     NULL,                               "Element can kill the player"
4084   },
4085   {
4086     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4087     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4088     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4089     &custom_element_properties[EP_CAN_EXPLODE],
4090     NULL, NULL,
4091     NULL,                               "Element can explode"
4092   },
4093   {
4094     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4095     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4096     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4097     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4098     NULL, NULL,
4099     "By fire",                          "Element can explode by fire/explosion"
4100   },
4101   {
4102     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4103     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4104     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4105     &custom_element_properties[EP_EXPLODES_SMASHED],
4106     NULL, " ",
4107     "Smashed",                          "Element can explode when smashed"
4108   },
4109   {
4110     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4111     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4112     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4113     &custom_element_properties[EP_EXPLODES_IMPACT],
4114     NULL, " ",
4115     "Impact",                           "Element can explode on impact"
4116   },
4117
4118   // ---------- element settings: advanced (custom elements) ------------------
4119
4120   {
4121     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4122     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4123     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4124     &custom_element_change.can_change,
4125     NULL, NULL,
4126     "Element changes to:",              "Change element on specified condition"
4127   },
4128   {
4129     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4130     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4131     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4132     &custom_element_change_events[CE_DELAY],
4133     NULL, NULL,
4134     NULL,                               "Element changes after delay"
4135   },
4136   {
4137     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4138     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4139     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4140     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4141     NULL, NULL,
4142     NULL,                               "Element changes by direct action"
4143   },
4144   {
4145     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4146     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4147     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4148     &custom_element_change_events[CE_BY_OTHER_ACTION],
4149     NULL, NULL,
4150     NULL,                               "Element changes by other element"
4151   },
4152   {
4153     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4154     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4155     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4156     &custom_element_change.explode,
4157     NULL, NULL,
4158     "Explode instead of change",        "Element explodes instead of change"
4159   },
4160   {
4161     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4162     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4163     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4164     &custom_element_change.use_target_content,
4165     NULL, NULL,
4166     "Use extended change target:",      "Element changes to more elements"
4167   },
4168   {
4169     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4170     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4171     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4172     &custom_element_change.only_if_complete,
4173     NULL, NULL,
4174     "Replace all or nothing",           "Only replace when all can be changed"
4175   },
4176   {
4177     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4178     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4179     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4180     &custom_element_change.use_random_replace,
4181     NULL, NULL,
4182     NULL,                               "Use percentage for random replace"
4183   },
4184   {
4185     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4186     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4187     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4188     &custom_element_change.has_action,
4189     NULL, NULL,
4190     NULL,                               "Execute action on specified condition"
4191   },
4192 };
4193
4194 static struct
4195 {
4196   int gadget_type_id;
4197   int x, y;
4198   int xoffset, yoffset;
4199   int gadget_id;
4200   int gadget_id_align;
4201   int *value;
4202   int area_xsize, area_ysize;
4203   char *text_left, *text_right, *text_above, *text_below, *infotext;
4204 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4205 {
4206   // ---------- level playfield content ---------------------------------------
4207
4208   {
4209     ED_DRAWING_ID_DRAWING_LEVEL,
4210     0,                                  0,
4211     0,                                  0,
4212     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4213     NULL,
4214     -1, -1,     // these values are not constant, but can change at runtime
4215     NULL, NULL, NULL, NULL,             NULL
4216   },
4217
4218   // ---------- yam yam content -----------------------------------------------
4219
4220   {
4221     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4222     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4223     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4224     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4225     &level.yamyam_content[0].e[0][0],   3, 3,
4226     NULL, NULL, NULL, "1",              NULL
4227   },
4228   {
4229     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4230     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4231     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4232     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4233     &level.yamyam_content[1].e[0][0],   3, 3,
4234     NULL, NULL, NULL, "2",              NULL
4235   },
4236   {
4237     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4238     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4239     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4240     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4241     &level.yamyam_content[2].e[0][0],   3, 3,
4242     NULL, NULL, NULL, "3",              NULL
4243   },
4244   {
4245     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4246     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4247     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4248     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4249     &level.yamyam_content[3].e[0][0],   3, 3,
4250     NULL, NULL, NULL, "4",              NULL
4251   },
4252   {
4253     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4254     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4255     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4256     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4257     &level.yamyam_content[4].e[0][0],   3, 3,
4258     NULL, NULL, NULL, "5",              NULL
4259   },
4260   {
4261     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4262     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4263     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4264     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4265     &level.yamyam_content[5].e[0][0],   3, 3,
4266     NULL, NULL, NULL, "6",              NULL
4267   },
4268   {
4269     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4270     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4271     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4272     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4273     &level.yamyam_content[6].e[0][0],   3, 3,
4274     NULL, NULL, NULL, "7",              NULL
4275   },
4276   {
4277     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4278     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4279     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4280     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4281     &level.yamyam_content[7].e[0][0],   3, 3,
4282     NULL, NULL, NULL, "8",              NULL
4283   },
4284
4285   // ---------- magic ball content --------------------------------------------
4286
4287   {
4288     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4289     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4290     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4291     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4292     &level.ball_content[0].e[0][0],     3, 3,
4293     NULL, NULL, NULL, "1",              NULL
4294   },
4295   {
4296     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4297     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4298     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4299     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4300     &level.ball_content[1].e[0][0],     3, 3,
4301     NULL, NULL, NULL, "2",              NULL
4302   },
4303   {
4304     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4305     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4306     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4307     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4308     &level.ball_content[2].e[0][0],     3, 3,
4309     NULL, NULL, NULL, "3",              NULL
4310   },
4311   {
4312     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4313     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4314     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4315     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4316     &level.ball_content[3].e[0][0],     3, 3,
4317     NULL, NULL, NULL, "4",              NULL
4318   },
4319   {
4320     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4321     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4322     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4323     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4324     &level.ball_content[4].e[0][0],     3, 3,
4325     NULL, NULL, NULL, "5",              NULL
4326   },
4327   {
4328     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4329     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4330     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4331     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4332     &level.ball_content[5].e[0][0],     3, 3,
4333     NULL, NULL, NULL, "6",              NULL
4334   },
4335   {
4336     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4337     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4338     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4339     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4340     &level.ball_content[6].e[0][0],     3, 3,
4341     NULL, NULL, NULL, "7",              NULL
4342   },
4343   {
4344     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4345     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4346     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4347     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4348     &level.ball_content[7].e[0][0],     3, 3,
4349     NULL, NULL, NULL, "8",              NULL
4350   },
4351
4352   // ---------- android content -----------------------------------------------
4353
4354   {
4355     ED_DRAWING_ID_ANDROID_CONTENT,
4356     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4357     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4358     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4359     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4360     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4361   },
4362
4363   // ---------- amoeba content ------------------------------------------------
4364
4365   {
4366     ED_DRAWING_ID_AMOEBA_CONTENT,
4367     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4368     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4369     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4370     &level.amoeba_content,              1, 1,
4371     "Content:", NULL, NULL, NULL,       "Amoeba content"
4372   },
4373
4374   // ---------- BD snap element -----------------------------------------------
4375
4376   {
4377     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4378     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4379     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4380     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4381     &level.bd_snap_element,             1, 1,
4382     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4383   },
4384
4385   // ---------- BD magic wall elements ----------------------------------------
4386
4387   {
4388     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4389     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
4390     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4391     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO, GADGET_ID_NONE,
4392     &level.bd_magic_wall_diamond_to,    1, 1,
4393     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4394   },
4395   {
4396     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4397     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4398     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4399     GADGET_ID_BD_MAGIC_WALL_ROCK_TO, GADGET_ID_NONE,
4400     &level.bd_magic_wall_rock_to,       1, 1,
4401     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4402   },
4403   {
4404     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4405     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4406     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4407     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO, GADGET_ID_NONE,
4408     &level.bd_magic_wall_mega_rock_to,  1, 1,
4409     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4410   },
4411   {
4412     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4413     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4414     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4415     GADGET_ID_BD_MAGIC_WALL_NUT_TO, GADGET_ID_NONE,
4416     &level.bd_magic_wall_nut_to,        1, 1,
4417     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4418   },
4419   {
4420     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4421     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4422     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4423     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO, GADGET_ID_NONE,
4424     &level.bd_magic_wall_nitro_pack_to, 1, 1,
4425     "Changes nitro packs to:", NULL, NULL, NULL,        "Element to turn nitro packs to"
4426   },
4427   {
4428     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4429     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(9),
4430     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4431     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO, GADGET_ID_NONE,
4432     &level.bd_magic_wall_flying_diamond_to, 1, 1,
4433     "Changes flying diamonds to:", NULL, NULL, NULL,    "Element to turn flying diamonds to"
4434   },
4435   {
4436     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4437     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4438     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4439     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO, GADGET_ID_NONE,
4440     &level.bd_magic_wall_flying_rock_to, 1, 1,
4441     "Changes flying rocks to:", NULL, NULL, NULL,       "Element to turn flying rocks to"
4442   },
4443
4444   // ---------- BD amoeba content ---------------------------------------------
4445
4446   {
4447     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4448     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4449     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4450     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4451     &level.bd_amoeba_content_too_big,   1, 1,
4452     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4453   },
4454   {
4455     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4456     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4457     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4458     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4459     &level.bd_amoeba_content_enclosed,  1, 1,
4460     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4461   },
4462
4463   // ---------- BD amoeba 2 content -------------------------------------------
4464
4465   {
4466     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4467     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4468     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4469     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4470     &level.bd_amoeba_2_content_too_big, 1, 1,
4471     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4472   },
4473   {
4474     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4475     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4476     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4477     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4478     &level.bd_amoeba_2_content_enclosed,        1, 1,
4479     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4480   },
4481   {
4482     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4483     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4484     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4485     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4486     &level.bd_amoeba_2_content_exploding,       1, 1,
4487     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4488   },
4489   {
4490     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4491     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4492     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4493     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4494     &level.bd_amoeba_2_content_looks_like,      1, 1,
4495     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4496   },
4497   {
4498     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4499     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4500     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4501     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,  GADGET_ID_NONE,
4502     &level.bd_slime_eats_element_1,     1, 1,
4503     "Can eat:", NULL, NULL, NULL,       "Element that can be eaten"
4504   },
4505   {
4506     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4507     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4508     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4509     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1, GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4510     &level.bd_slime_converts_to_element_1,      1, 1,
4511     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4512   },
4513   {
4514     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4515     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4516     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4517     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,  GADGET_ID_NONE,
4518     &level.bd_slime_eats_element_2,     1, 1,
4519     "Can eat:", NULL, NULL, NULL,       "Element that can be eaten"
4520   },
4521   {
4522     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4523     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4524     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4525     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2, GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4526     &level.bd_slime_converts_to_element_2,      1, 1,
4527     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4528   },
4529   {
4530     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4531     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4532     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4533     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,  GADGET_ID_NONE,
4534     &level.bd_slime_eats_element_3,     1, 1,
4535     "Can eat:", NULL, NULL, NULL,       "Element that can be eaten"
4536   },
4537   {
4538     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4539     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4540     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4541     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3, GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4542     &level.bd_slime_converts_to_element_3,      1, 1,
4543     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4544   },
4545   {
4546     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4547     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4548     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4549     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4550     &level.bd_acid_eats_element,        1, 1,
4551     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4552   },
4553   {
4554     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4555     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4556     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4557     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4558     &level.bd_acid_turns_to_element,    1, 1,
4559     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4560   },
4561   {
4562     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4563     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4564     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4565     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4566     &level.bd_biter_eats_element,       1, 1,
4567     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4568   },
4569   {
4570     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4571     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4572     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4573     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4574     &level.bd_bladder_converts_by_element,      1, 1,
4575     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4576   },
4577   {
4578     ED_DRAWING_ID_BD_NUT_CONTENT,
4579     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4580     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4581     GADGET_ID_BD_NUT_CONTENT,           GADGET_ID_NONE,
4582     &level.bd_nut_content,              1, 1,
4583     "When breaking, changes to:", NULL, NULL, NULL,     "Element created when breaking nut"
4584   },
4585   {
4586     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4587     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4588     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4589     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE, GADGET_ID_NONE,
4590     &level.bd_expanding_wall_looks_like,        1, 1,
4591     "Use graphic of element:", NULL, NULL, NULL,        "Expanding wall looks like this element"
4592   },
4593
4594   // ---------- level start element -------------------------------------------
4595
4596   {
4597     ED_DRAWING_ID_START_ELEMENT,
4598     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4599     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4600     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4601     &level.start_element[0],            1, 1,
4602     NULL, NULL, NULL, NULL,             "Level start element"
4603   },
4604
4605   // ---------- player artwork element ----------------------------------------
4606
4607   {
4608     ED_DRAWING_ID_ARTWORK_ELEMENT,
4609     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4610     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4611     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4612     &level.artwork_element[0],          1, 1,
4613     NULL, NULL, NULL, NULL,             "Element for player artwork"
4614   },
4615
4616   // ---------- player explosion element --------------------------------------
4617
4618   {
4619     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4620     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4621     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4622     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4623     &level.explosion_element[0],        1, 1,
4624     NULL, NULL, NULL, NULL,             "Element for player explosion"
4625   },
4626
4627   // ---------- player initial inventory --------------------------------------
4628
4629   {
4630     ED_DRAWING_ID_INVENTORY_CONTENT,
4631     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4632     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4633     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4634     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4635     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4636   },
4637
4638   // ---------- gray ball content -----------------------------------------
4639
4640   {
4641     ED_DRAWING_ID_MM_BALL_CONTENT,
4642     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4643     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4644     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4645     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4646     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4647   },
4648
4649   // ---------- element settings: configure 1 (custom elements) ---------------
4650
4651   // ---------- custom graphic ------------------------------------------------
4652
4653   {
4654     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4655     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4656     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4657     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4658     &custom_element.gfx_element_initial, 1, 1,
4659     NULL, NULL, NULL, NULL,             "Custom graphic element"
4660   },
4661
4662   // ---------- element settings: configure 2 (custom elements) ---------------
4663
4664   // ---------- custom content (when exploding) -------------------------------
4665
4666   {
4667     ED_DRAWING_ID_CUSTOM_CONTENT,
4668     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4669     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4670     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4671     &custom_element.content.e[0][0],    3, 3,
4672     "Content:", NULL, NULL, NULL,       NULL
4673   },
4674
4675   // ---------- custom enter and leave element (when moving) ------------------
4676
4677   {
4678     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4679     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4680     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4681     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4682     &custom_element.move_enter_element, 1, 1,
4683     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4684   },
4685   {
4686     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4687     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4688     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4689     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4690     &custom_element.move_leave_element, 1, 1,
4691     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4692   },
4693
4694   // ---------- element settings: advanced (custom elements) ------------------
4695
4696   // ---------- custom change target ------------------------------------------
4697
4698   {
4699     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4700     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4701     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4702     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4703     &custom_element_change.target_element, 1, 1,
4704     NULL, "after/when:", NULL, NULL,    "New target element after change"
4705   },
4706
4707   // ---------- custom change content (extended change target) ----------------
4708
4709   {
4710     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4711     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4712     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4713     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4714     &custom_element_change.target_content.e[0][0], 3, 3,
4715     NULL, NULL, NULL, NULL,             "New extended elements after change"
4716   },
4717
4718   // ---------- custom change trigger (element causing change) ----------------
4719
4720   {
4721     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4722     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4723     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4724     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4725     &custom_element_change.initial_trigger_element, 1, 1,
4726     NULL, NULL, NULL, NULL,             "Other element triggering change"
4727   },
4728
4729   // ---------- custom change action (element used for action) ----------------
4730
4731   {
4732     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4733     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4734     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4735     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4736     &custom_element_change.action_element, 1, 1,
4737     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4738   },
4739
4740   // ---------- group element content -----------------------------------------
4741
4742   {
4743     ED_DRAWING_ID_GROUP_CONTENT,
4744     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4745     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4746     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4747     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4748     "Content:", NULL, NULL, NULL,       NULL
4749   },
4750
4751   // ---------- random background (for random painting) -----------------------
4752
4753   {
4754     ED_DRAWING_ID_RANDOM_BACKGROUND,
4755     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4756     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4757     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4758     &random_placement_background_element, 1, 1,
4759     NULL, NULL, NULL, NULL,             "Random placement background"
4760   },
4761 };
4762
4763
4764 // ----------------------------------------------------------------------------
4765 // some internally used variables
4766 // ----------------------------------------------------------------------------
4767
4768 // maximal size of level editor drawing area
4769 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4770
4771 // actual size of level editor drawing area
4772 static int ed_fieldx, ed_fieldy;
4773
4774 // actual position of level editor drawing area in level playfield
4775 static int level_xpos = -1, level_ypos = -1;
4776
4777 // actual tile size used to display playfield drawing area
4778 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4779 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4780
4781 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4782
4783 // drawing elements on the three mouse buttons
4784 static int new_element1 = EL_WALL;
4785 static int new_element2 = EL_EMPTY;
4786 static int new_element3 = EL_SAND;
4787
4788 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4789 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4790                                 (button) == 2 ? new_element2 : \
4791                                 (button) == 3 ? new_element3 : EL_EMPTY)
4792
4793 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4794
4795 static int use_permanent_palette = TRUE;
4796
4797 #define PX              (use_permanent_palette ? DX : SX)
4798 #define PY              (use_permanent_palette ? DY : SY)
4799 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4800 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4801
4802 // forward declaration for internal use
4803 static void CopyBrushToCursor(int, int);
4804 static void DeleteBrushFromCursor(void);
4805 static void ModifyEditorCounterValue(int, int);
4806 static void ModifyEditorCounterLimits(int, int, int);
4807 static void ModifyEditorSelectboxValue(int, int);
4808 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4809 static void ModifyEditorDrawingArea(int, int, int);
4810 static void ModifyEditorElementList(void);
4811 static void AdjustElementListScrollbar(void);
4812 static void RedrawDrawingElements(void);
4813 static void DrawDrawingWindowExt(boolean);
4814 static void DrawDrawingWindow(void);
4815 static void DrawLevelConfigWindow(void);
4816 static void DrawPropertiesWindow(void);
4817 static void DrawPaletteWindow(void);
4818 static void UpdateCustomElementGraphicGadgets(void);
4819 static boolean checkPropertiesConfig(int);
4820 static void SetAutomaticNumberOfGemsNeeded(void);
4821 static void ClearEditorGadgetInfoText(void);
4822 static void CopyLevelToUndoBuffer(int);
4823 static void HandleDrawingAreas(struct GadgetInfo *);
4824 static void HandleCounterButtons(struct GadgetInfo *);
4825 static void HandleTextInputGadgets(struct GadgetInfo *);
4826 static void HandleTextAreaGadgets(struct GadgetInfo *);
4827 static void HandleSelectboxGadgets(struct GadgetInfo *);
4828 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4829 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4830 static void HandleRadiobuttons(struct GadgetInfo *);
4831 static void HandleCheckbuttons(struct GadgetInfo *);
4832 static void HandleControlButtons(struct GadgetInfo *);
4833 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4834 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4835 static boolean AskToCopyAndModifyLevelTemplate(void);
4836 static boolean getDrawModeHiRes(void);
4837 static int getTabulatorBarWidth(void);
4838 static int getTabulatorBarHeight(void);
4839 static Pixel getTabulatorBarColor(void);
4840 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
4841 static int numHiresTiles(int);
4842
4843 static int num_editor_gadgets = 0;      // dynamically determined
4844
4845 static struct GadgetInfo **level_editor_gadget = NULL;
4846 static int *right_gadget_border = NULL;
4847
4848 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4849 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4850 static boolean draw_with_brush = FALSE;
4851 static int properties_element = 0;
4852
4853 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4854 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4855 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4856 static int undo_buffer_position = 0;
4857 static int undo_buffer_steps = 0;
4858 static int redo_buffer_steps = 0;
4859
4860 static int edit_mode;
4861 static int edit_mode_levelconfig;
4862 static int edit_mode_properties;
4863
4864 static int element_shift = 0;
4865
4866 static int editor_el_players[] =
4867 {
4868   EL_PLAYER_1,
4869   EL_PLAYER_2,
4870   EL_PLAYER_3,
4871   EL_PLAYER_4
4872 };
4873 static int *editor_el_players_ptr = editor_el_players;
4874 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4875
4876 static int editor_hl_boulderdash[] =
4877 {
4878   EL_INTERNAL_CASCADE_BD_ACTIVE,
4879   EL_CHAR('B'),
4880   EL_CHAR('D'),
4881   EL_EMPTY,
4882 };
4883
4884 static int editor_el_boulderdash[] =
4885 {
4886   EL_EMPTY,
4887   EL_SAND,
4888   EL_BD_ROCK,
4889   EL_BD_DIAMOND,
4890
4891   EL_STEELWALL,
4892   EL_BD_WALL,
4893   EL_BD_EXPANDABLE_WALL,
4894   EL_BD_MAGIC_WALL,
4895
4896   EL_BD_AMOEBA,
4897   EL_BD_BUTTERFLY_UP,
4898   EL_BD_FIREFLY_UP,
4899   EL_EXIT_CLOSED,
4900
4901   EL_BD_BUTTERFLY_LEFT,
4902   EL_BD_FIREFLY_LEFT,
4903   EL_BD_BUTTERFLY_RIGHT,
4904   EL_BD_FIREFLY_RIGHT,
4905
4906   EL_EMPTY,
4907   EL_BD_BUTTERFLY_DOWN,
4908   EL_BD_FIREFLY_DOWN,
4909   EL_EXIT_OPEN,
4910 };
4911 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4912 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4913 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4914 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4915
4916 static int editor_hl_boulderdash_native[] =
4917 {
4918   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4919   EL_CHAR('B'),
4920   EL_CHAR('D'),
4921   EL_EMPTY,
4922 };
4923
4924 static int editor_el_boulderdash_native[] =
4925 {
4926   EL_EMPTY,
4927   EL_BD_SAND,
4928   EL_BD_ROCK,
4929   EL_BD_DIAMOND,
4930
4931   EL_BD_STEELWALL,
4932   EL_BD_WALL,
4933   EL_BD_SAND_2,
4934   EL_BD_MAGIC_WALL,
4935
4936   EL_BD_AMOEBA,
4937   EL_BD_BUTTERFLY_UP,
4938   EL_BD_FIREFLY_UP,
4939   EL_BD_EXIT_CLOSED,
4940
4941   EL_BD_BUTTERFLY_LEFT,
4942   EL_BD_FIREFLY_LEFT,
4943   EL_BD_BUTTERFLY_RIGHT,
4944   EL_BD_FIREFLY_RIGHT,
4945
4946   EL_BD_INBOX,
4947   EL_BD_BUTTERFLY_DOWN,
4948   EL_BD_FIREFLY_DOWN,
4949   EL_BD_EXIT_OPEN,
4950
4951   EL_BD_AMOEBA_2,
4952   EL_BD_BUTTERFLY_2_UP,
4953   EL_BD_FIREFLY_2_UP,
4954   EL_BD_SLIME,
4955
4956   EL_BD_BUTTERFLY_2_LEFT,
4957   EL_BD_FIREFLY_2_LEFT,
4958   EL_BD_BUTTERFLY_2_RIGHT,
4959   EL_BD_FIREFLY_2_RIGHT,
4960
4961   EL_BD_BOMB,
4962   EL_BD_BUTTERFLY_2_DOWN,
4963   EL_BD_FIREFLY_2_DOWN,
4964   EL_BD_FLYING_DIAMOND,
4965
4966   EL_BD_NITRO_PACK,
4967   EL_BD_DRAGONFLY_UP,
4968   EL_BD_STONEFLY_UP,
4969   EL_BD_DIAMOND_GLUED,
4970
4971   EL_BD_DRAGONFLY_LEFT,
4972   EL_BD_STONEFLY_LEFT,
4973   EL_BD_DRAGONFLY_RIGHT,
4974   EL_BD_STONEFLY_RIGHT,
4975
4976   EL_BD_NUT,
4977   EL_BD_DRAGONFLY_DOWN,
4978   EL_BD_STONEFLY_DOWN,
4979   EL_EMPTY,
4980
4981   EL_BD_BITER_SWITCH_1,
4982   EL_BD_BITER_UP,
4983   EL_BD_COW_UP,
4984   EL_EMPTY,
4985
4986   EL_BD_BITER_LEFT,
4987   EL_BD_COW_LEFT,
4988   EL_BD_BITER_RIGHT,
4989   EL_BD_COW_RIGHT,
4990
4991   EL_BD_VOODOO_DOLL,
4992   EL_BD_BITER_DOWN,
4993   EL_BD_COW_DOWN,
4994   EL_BD_GHOST,
4995
4996   EL_BD_SAND_GLUED,
4997   EL_BD_SAND_BALL,
4998   EL_BD_SAND_LOOSE,
4999   EL_BD_WALL_NON_SLOPED,
5000
5001   EL_BD_SAND_SLOPED_UP_LEFT,
5002   EL_BD_SAND_SLOPED_UP_RIGHT,
5003   EL_BD_WALL_SLOPED_UP_LEFT,
5004   EL_BD_WALL_SLOPED_UP_RIGHT,
5005
5006   EL_BD_SAND_SLOPED_DOWN_LEFT,
5007   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5008   EL_BD_WALL_SLOPED_DOWN_LEFT,
5009   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5010
5011   EL_BD_FLYING_ROCK,
5012   EL_BD_ROCK_GLUED,
5013   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5014   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5015
5016   EL_BD_WAITING_ROCK,
5017   EL_BD_CHASING_ROCK,
5018   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5019   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5020
5021   EL_BD_MEGA_ROCK,
5022   EL_BD_SWEET,
5023   EL_BD_INVISIBLE_EXIT_CLOSED,
5024   EL_BD_INVISIBLE_EXIT_OPEN,
5025
5026   EL_BD_STEELWALL_EXPLODABLE,
5027   EL_BD_STEELWALL_DIGGABLE,
5028   EL_BD_WALL_DIGGABLE,
5029   EL_BD_FALLING_WALL,
5030
5031   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5032   EL_BD_EXPANDABLE_WALL_VERTICAL,
5033   EL_BD_EXPANDABLE_WALL_ANY,
5034   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
5035
5036   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5037   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5038   EL_BD_EXPANDABLE_STEELWALL_ANY,
5039   EL_BD_CREATURE_SWITCH,
5040
5041   EL_BD_BLADDER,
5042   EL_BD_BLADDER_SPENDER,
5043   EL_BD_REPLICATOR,
5044   EL_BD_REPLICATOR_SWITCH,
5045
5046   EL_BD_CONVEYOR_LEFT,
5047   EL_BD_CONVEYOR_RIGHT,
5048   EL_BD_CONVEYOR_SWITCH,
5049   EL_BD_CONVEYOR_DIR_SWITCH_NORMAL,
5050
5051   EL_BD_CLOCK,
5052   EL_BD_TIME_PENALTY,
5053   EL_BD_GRAVESTONE,
5054   EL_BD_SKELETON,
5055
5056   EL_BD_WATER,
5057   EL_BD_ACID,
5058   EL_BD_LAVA,
5059   EL_BD_BOX,
5060
5061   EL_BD_GATE_1,
5062   EL_BD_GATE_2,
5063   EL_BD_GATE_3,
5064   EL_BD_TRAPPED_DIAMOND,
5065
5066   EL_BD_KEY_1,
5067   EL_BD_KEY_2,
5068   EL_BD_KEY_3,
5069   EL_BD_DIAMOND_KEY,
5070
5071   EL_BD_WALL_KEY_1,
5072   EL_BD_WALL_KEY_2,
5073   EL_BD_WALL_KEY_3,
5074   EL_BD_WALL_DIAMOND,
5075
5076   EL_BD_POT,
5077   EL_BD_GRAVITY_SWITCH,
5078   EL_BD_PNEUMATIC_HAMMER,
5079   EL_BD_TELEPORTER,
5080
5081   EL_BD_PLAYER,
5082   EL_BD_PLAYER_WITH_BOMB,
5083   EL_BD_PLAYER_GLUED,
5084   EL_BD_PLAYER_STIRRING,
5085 };
5086 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5087 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5088 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5089 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5090
5091 static int editor_hl_boulderdash_effects[] =
5092 {
5093   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5094   EL_CHAR('B'),
5095   EL_CHAR('D'),
5096   EL_CHAR('E'),
5097 };
5098
5099 static int editor_el_boulderdash_effects[] =
5100 {
5101   EL_BD_DIAMOND_FALLING,
5102   EL_BD_ROCK_FALLING,
5103   EL_BD_MEGA_ROCK_FALLING,
5104   EL_BD_FLYING_DIAMOND_FLYING,
5105
5106   EL_BD_FALLING_WALL_FALLING,
5107   EL_BD_NITRO_PACK_FALLING,
5108   EL_BD_NUT_FALLING,
5109   EL_BD_FLYING_ROCK_FLYING,
5110
5111   EL_BD_PLAYER_GROWING_1,
5112   EL_BD_PLAYER_GROWING_2,
5113   EL_BD_PLAYER_GROWING_3,
5114   EL_BD_PLAYER,
5115
5116   EL_BD_PLAYER_WITH_BOMB,
5117   EL_BD_PLAYER_STIRRING,
5118   EL_BD_EXIT_OPEN,
5119   EL_BD_INVISIBLE_EXIT_OPEN,
5120
5121   EL_BD_BLADDER_1,
5122   EL_BD_BLADDER_2,
5123   EL_BD_BLADDER_3,
5124   EL_BD_BLADDER_4,
5125
5126   EL_BD_BLADDER_5,
5127   EL_BD_BLADDER_6,
5128   EL_BD_BLADDER_7,
5129   EL_BD_BLADDER_8,
5130
5131   EL_BD_SAND_2,
5132   EL_BD_COW_ENCLOSED_1,
5133   EL_BD_COW_ENCLOSED_2,
5134   EL_BD_COW_ENCLOSED_3,
5135
5136   EL_BD_COW_ENCLOSED_4,
5137   EL_BD_COW_ENCLOSED_5,
5138   EL_BD_COW_ENCLOSED_6,
5139   EL_BD_COW_ENCLOSED_7,
5140
5141   EL_BD_WATER_1,
5142   EL_BD_WATER_2,
5143   EL_BD_WATER_3,
5144   EL_BD_WATER_4,
5145
5146   EL_BD_WATER_5,
5147   EL_BD_WATER_6,
5148   EL_BD_WATER_7,
5149   EL_BD_WATER_8,
5150
5151   EL_BD_WATER_9,
5152   EL_BD_WATER_10,
5153   EL_BD_WATER_11,
5154   EL_BD_WATER_12,
5155
5156   EL_BD_WATER_13,
5157   EL_BD_WATER_14,
5158   EL_BD_WATER_15,
5159   EL_BD_WATER_16,
5160
5161   EL_BD_BOMB_TICKING_1,
5162   EL_BD_BOMB_TICKING_2,
5163   EL_BD_BOMB_TICKING_3,
5164   EL_BD_BOMB_TICKING_4,
5165
5166   EL_BD_BOMB_TICKING_5,
5167   EL_BD_BOMB_TICKING_6,
5168   EL_BD_BOMB_TICKING_7,
5169   EL_EMPTY,
5170
5171   EL_BD_BOMB_EXPLODING_1,
5172   EL_BD_BOMB_EXPLODING_2,
5173   EL_BD_BOMB_EXPLODING_3,
5174   EL_BD_BOMB_EXPLODING_4,
5175
5176   EL_BD_NUT_BREAKING_1,
5177   EL_BD_NUT_BREAKING_2,
5178   EL_BD_NUT_BREAKING_3,
5179   EL_BD_NUT_BREAKING_4,
5180
5181   EL_BD_EXPLODING_1,
5182   EL_BD_EXPLODING_2,
5183   EL_BD_EXPLODING_3,
5184   EL_BD_EXPLODING_4,
5185
5186   EL_BD_EXPLODING_5,
5187   EL_BD_TIME_PENALTY,
5188   EL_BD_DIAMOND_GROWING_1,
5189   EL_BD_DIAMOND_GROWING_2,
5190
5191   EL_BD_DIAMOND_GROWING_3,
5192   EL_BD_DIAMOND_GROWING_4,
5193   EL_BD_DIAMOND_GROWING_5,
5194   EL_BD_NITRO_PACK_EXPLODING,
5195
5196   EL_BD_NITRO_PACK_EXPLODING_1,
5197   EL_BD_NITRO_PACK_EXPLODING_2,
5198   EL_BD_NITRO_PACK_EXPLODING_3,
5199   EL_BD_NITRO_PACK_EXPLODING_4,
5200
5201   EL_BD_ROCK_GROWING_1,
5202   EL_BD_ROCK_GROWING_2,
5203   EL_BD_ROCK_GROWING_3,
5204   EL_BD_ROCK_GROWING_4,
5205
5206   EL_BD_STEELWALL_GROWING_1,
5207   EL_BD_STEELWALL_GROWING_2,
5208   EL_BD_STEELWALL_GROWING_3,
5209   EL_BD_STEELWALL_GROWING_4,
5210
5211   EL_BD_CLOCK_GROWING_1,
5212   EL_BD_CLOCK_GROWING_2,
5213   EL_BD_CLOCK_GROWING_3,
5214   EL_BD_CLOCK_GROWING_4,
5215
5216   EL_BD_GHOST_EXPLODING_1,
5217   EL_BD_GHOST_EXPLODING_2,
5218   EL_BD_GHOST_EXPLODING_3,
5219   EL_BD_GHOST_EXPLODING_4,
5220 };
5221 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5222 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5223 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5224 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5225
5226 static int editor_hl_emerald_mine[] =
5227 {
5228   EL_INTERNAL_CASCADE_EM_ACTIVE,
5229   EL_CHAR('E'),
5230   EL_CHAR('M'),
5231   EL_EMPTY,
5232 };
5233
5234 static int editor_el_emerald_mine[] =
5235 {
5236   EL_SAND,
5237   EL_ROCK,
5238   EL_QUICKSAND_EMPTY,
5239   EL_QUICKSAND_FULL,
5240
5241   EL_STEELWALL,
5242   EL_WALL,
5243   EL_WALL_SLIPPERY,
5244   EL_MAGIC_WALL,
5245
5246   EL_EMERALD,
5247   EL_DIAMOND,
5248   EL_NUT,
5249   EL_BOMB,
5250
5251   EL_EM_DYNAMITE,
5252   EL_EM_DYNAMITE_ACTIVE,
5253   EL_EM_EXIT_CLOSED,
5254   EL_EM_EXIT_OPEN,
5255
5256   EL_YAMYAM_UP,
5257   EL_BUG_UP,
5258   EL_SPACESHIP_UP,
5259   EL_ROBOT,
5260
5261   EL_BUG_LEFT,
5262   EL_SPACESHIP_LEFT,
5263   EL_BUG_RIGHT,
5264   EL_SPACESHIP_RIGHT,
5265
5266   EL_ROBOT_WHEEL,
5267   EL_BUG_DOWN,
5268   EL_SPACESHIP_DOWN,
5269   EL_INVISIBLE_WALL,
5270
5271   EL_ACID_POOL_TOPLEFT,
5272   EL_ACID,
5273   EL_ACID_POOL_TOPRIGHT,
5274   EL_AMOEBA_DROP,
5275
5276   EL_ACID_POOL_BOTTOMLEFT,
5277   EL_ACID_POOL_BOTTOM,
5278   EL_ACID_POOL_BOTTOMRIGHT,
5279   EL_AMOEBA_WET,
5280
5281   EL_EM_KEY_1,
5282   EL_EM_KEY_2,
5283   EL_EM_KEY_3,
5284   EL_EM_KEY_4,
5285
5286   EL_EM_GATE_1,
5287   EL_EM_GATE_2,
5288   EL_EM_GATE_3,
5289   EL_EM_GATE_4,
5290
5291   EL_EM_GATE_1_GRAY,
5292   EL_EM_GATE_2_GRAY,
5293   EL_EM_GATE_3_GRAY,
5294   EL_EM_GATE_4_GRAY,
5295 };
5296 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5297 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5298 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5299 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5300
5301 static int editor_hl_emerald_mine_club[] =
5302 {
5303   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5304   EL_CHAR('E'),
5305   EL_CHAR('M'),
5306   EL_CHAR('C'),
5307 };
5308
5309 static int editor_el_emerald_mine_club[] =
5310 {
5311   EL_EMC_KEY_5,
5312   EL_EMC_KEY_6,
5313   EL_EMC_KEY_7,
5314   EL_EMC_KEY_8,
5315
5316   EL_EMC_GATE_5,
5317   EL_EMC_GATE_6,
5318   EL_EMC_GATE_7,
5319   EL_EMC_GATE_8,
5320
5321   EL_EMC_GATE_5_GRAY,
5322   EL_EMC_GATE_6_GRAY,
5323   EL_EMC_GATE_7_GRAY,
5324   EL_EMC_GATE_8_GRAY,
5325
5326   EL_EMC_STEELWALL_1,
5327   EL_EMC_STEELWALL_2,
5328   EL_EMC_STEELWALL_3,
5329   EL_EMC_STEELWALL_4,
5330
5331   EL_EMC_WALL_13,
5332   EL_EMC_WALL_14,
5333   EL_EMC_WALL_15,
5334   EL_EMC_WALL_16,
5335
5336   EL_EMC_WALL_SLIPPERY_1,
5337   EL_EMC_WALL_SLIPPERY_2,
5338   EL_EMC_WALL_SLIPPERY_3,
5339   EL_EMC_WALL_SLIPPERY_4,
5340
5341   EL_EMC_WALL_1,
5342   EL_EMC_WALL_2,
5343   EL_EMC_WALL_3,
5344   EL_EMC_WALL_4,
5345
5346   EL_EMC_WALL_5,
5347   EL_EMC_WALL_6,
5348   EL_EMC_WALL_7,
5349   EL_EMC_WALL_8,
5350
5351   EL_EMC_WALL_9,
5352   EL_EMC_WALL_10,
5353   EL_EMC_WALL_11,
5354   EL_EMC_WALL_12,
5355
5356   EL_EMC_GRASS,
5357   EL_EMC_FAKE_GRASS,
5358   EL_EMC_PLANT,
5359   EL_EMC_DRIPPER,
5360
5361   EL_EMC_MAGIC_BALL,
5362   EL_EMC_MAGIC_BALL_SWITCH,
5363   EL_EMC_LENSES,
5364   EL_EMC_MAGNIFIER,
5365
5366   EL_SPRING_LEFT,
5367   EL_SPRING,
5368   EL_SPRING_RIGHT,
5369   EL_EMC_SPRING_BUMPER,
5370
5371   EL_BALLOON,
5372   EL_YAMYAM_UP,
5373   EL_BALLOON_SWITCH_UP,
5374   EL_BALLOON_SWITCH_ANY,
5375
5376   EL_YAMYAM_LEFT,
5377   EL_BALLOON_SWITCH_LEFT,
5378   EL_YAMYAM_RIGHT,
5379   EL_BALLOON_SWITCH_RIGHT,
5380
5381   EL_EMC_ANDROID,
5382   EL_YAMYAM_DOWN,
5383   EL_BALLOON_SWITCH_DOWN,
5384   EL_BALLOON_SWITCH_NONE,
5385 };
5386 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5387 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5388 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5389 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5390
5391 static int editor_hl_rnd[] =
5392 {
5393   EL_INTERNAL_CASCADE_RND_ACTIVE,
5394   EL_CHAR('R'),
5395   EL_CHAR('N'),
5396   EL_CHAR('D'),
5397 };
5398
5399 static int editor_el_rnd[] =
5400 {
5401   EL_DYNAMITE,                  // RND
5402   EL_DYNAMITE_ACTIVE,           // RND
5403   EL_EMPTY,
5404   EL_EMPTY,
5405
5406   EL_KEY_1,
5407   EL_KEY_2,
5408   EL_KEY_3,
5409   EL_KEY_4,
5410
5411   EL_GATE_1,
5412   EL_GATE_2,
5413   EL_GATE_3,
5414   EL_GATE_4,
5415
5416   EL_GATE_1_GRAY,
5417   EL_GATE_2_GRAY,
5418   EL_GATE_3_GRAY,
5419   EL_GATE_4_GRAY,
5420
5421   EL_ARROW_LEFT,
5422   EL_ARROW_RIGHT,
5423   EL_ARROW_UP,
5424   EL_ARROW_DOWN,
5425
5426   EL_AMOEBA_DEAD,
5427   EL_AMOEBA_DRY,
5428   EL_AMOEBA_FULL,
5429   EL_GAME_OF_LIFE,
5430
5431   EL_EMERALD_YELLOW,
5432   EL_EMERALD_RED,
5433   EL_EMERALD_PURPLE,
5434   EL_BIOMAZE,
5435
5436   EL_WALL_EMERALD_YELLOW,
5437   EL_WALL_EMERALD_RED,
5438   EL_WALL_EMERALD_PURPLE,
5439   EL_WALL_BD_DIAMOND,
5440
5441   EL_SPEED_PILL,
5442   EL_PACMAN_UP,
5443   EL_TIME_ORB_FULL,
5444   EL_TIME_ORB_EMPTY,
5445
5446   EL_PACMAN_LEFT,
5447   EL_DARK_YAMYAM,
5448   EL_PACMAN_RIGHT,
5449   EL_YAMYAM,                    // RND
5450
5451   EL_BLACK_ORB,
5452   EL_PACMAN_DOWN,
5453   EL_LAMP,
5454   EL_LAMP_ACTIVE,
5455
5456   EL_DYNABOMB_INCREASE_NUMBER,
5457   EL_DYNABOMB_INCREASE_SIZE,
5458   EL_DYNABOMB_INCREASE_POWER,
5459   EL_STONEBLOCK,
5460
5461   EL_MOLE,
5462   EL_PENGUIN,
5463   EL_PIG,
5464   EL_DRAGON,
5465
5466   EL_BUG,
5467   EL_MOLE_UP,
5468   EL_BD_BUTTERFLY,
5469   EL_BD_FIREFLY,
5470
5471   EL_MOLE_LEFT,
5472   EL_SATELLITE,
5473   EL_MOLE_RIGHT,
5474   EL_PACMAN,
5475
5476   EL_SPACESHIP,
5477   EL_MOLE_DOWN,
5478   EL_INVISIBLE_STEELWALL,
5479   EL_INVISIBLE_WALL,
5480
5481   EL_EXPANDABLE_WALL,
5482   EL_EXPANDABLE_WALL_HORIZONTAL,
5483   EL_EXPANDABLE_WALL_VERTICAL,
5484   EL_EXPANDABLE_WALL_ANY,
5485 };
5486 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5487 static int *editor_el_rnd_ptr = editor_el_rnd;
5488 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5489 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5490
5491 static int editor_hl_sokoban[] =
5492 {
5493   EL_INTERNAL_CASCADE_SB_ACTIVE,
5494   EL_CHAR('S'),
5495   EL_CHAR('B'),
5496   EL_EMPTY,
5497 };
5498
5499 static int editor_el_sokoban[] =
5500 {
5501   EL_SOKOBAN_OBJECT,
5502   EL_SOKOBAN_FIELD_EMPTY,
5503   EL_SOKOBAN_FIELD_FULL,
5504   EL_SOKOBAN_FIELD_PLAYER,
5505 };
5506 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5507 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5508 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5509 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5510
5511 static int editor_hl_supaplex[] =
5512 {
5513   EL_INTERNAL_CASCADE_SP_ACTIVE,
5514   EL_CHAR('S'),
5515   EL_CHAR('P'),
5516   EL_EMPTY,
5517 };
5518
5519 static int editor_el_supaplex[] =
5520 {
5521   EL_SP_MURPHY,
5522   EL_EMPTY,
5523   EL_SP_BASE,
5524   EL_SP_BUGGY_BASE,
5525
5526   EL_SP_INFOTRON,
5527   EL_SP_ZONK,
5528   EL_SP_SNIKSNAK,
5529   EL_SP_ELECTRON,
5530
5531   EL_SP_DISK_RED,
5532   EL_SP_DISK_ORANGE,
5533   EL_SP_DISK_YELLOW,
5534   EL_SP_TERMINAL,
5535
5536   EL_SP_EXIT_CLOSED,
5537   EL_SP_PORT_HORIZONTAL,
5538   EL_SP_PORT_VERTICAL,
5539   EL_SP_PORT_ANY,
5540
5541   EL_SP_PORT_LEFT,
5542   EL_SP_PORT_RIGHT,
5543   EL_SP_PORT_UP,
5544   EL_SP_PORT_DOWN,
5545
5546   EL_SP_GRAVITY_PORT_LEFT,
5547   EL_SP_GRAVITY_PORT_RIGHT,
5548   EL_SP_GRAVITY_PORT_UP,
5549   EL_SP_GRAVITY_PORT_DOWN,
5550
5551   EL_SP_GRAVITY_ON_PORT_LEFT,
5552   EL_SP_GRAVITY_ON_PORT_RIGHT,
5553   EL_SP_GRAVITY_ON_PORT_UP,
5554   EL_SP_GRAVITY_ON_PORT_DOWN,
5555
5556   EL_SP_GRAVITY_OFF_PORT_LEFT,
5557   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5558   EL_SP_GRAVITY_OFF_PORT_UP,
5559   EL_SP_GRAVITY_OFF_PORT_DOWN,
5560
5561   EL_SP_HARDWARE_GRAY,
5562   EL_SP_HARDWARE_GREEN,
5563   EL_SP_HARDWARE_BLUE,
5564   EL_SP_HARDWARE_RED,
5565
5566   EL_SP_HARDWARE_BASE_1,
5567   EL_SP_HARDWARE_BASE_2,
5568   EL_SP_HARDWARE_BASE_3,
5569   EL_SP_HARDWARE_BASE_4,
5570
5571   EL_SP_HARDWARE_BASE_5,
5572   EL_SP_HARDWARE_BASE_6,
5573   EL_SP_HARDWARE_YELLOW,
5574   EL_SP_CHIP_TOP,
5575
5576   EL_SP_CHIP_SINGLE,
5577   EL_SP_CHIP_LEFT,
5578   EL_SP_CHIP_RIGHT,
5579   EL_SP_CHIP_BOTTOM,
5580 };
5581 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5582 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5583 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5584 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5585
5586 static int editor_hl_diamond_caves[] =
5587 {
5588   EL_INTERNAL_CASCADE_DC_ACTIVE,
5589   EL_CHAR('D'),
5590   EL_CHAR('C'),
5591   EL_CHAR('2'),
5592 };
5593
5594 static int editor_el_diamond_caves[] =
5595 {
5596   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5597   EL_EM_STEEL_EXIT_OPEN,        // DC2
5598   EL_WALL_EMERALD,              // DC2
5599   EL_WALL_DIAMOND,              // DC2
5600
5601   EL_PEARL,
5602   EL_CRYSTAL,
5603   EL_WALL_PEARL,
5604   EL_WALL_CRYSTAL,
5605
5606   EL_CONVEYOR_BELT_1_LEFT,
5607   EL_CONVEYOR_BELT_1_MIDDLE,
5608   EL_CONVEYOR_BELT_1_RIGHT,
5609   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5610
5611   EL_CONVEYOR_BELT_2_LEFT,
5612   EL_CONVEYOR_BELT_2_MIDDLE,
5613   EL_CONVEYOR_BELT_2_RIGHT,
5614   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5615
5616   EL_CONVEYOR_BELT_3_LEFT,
5617   EL_CONVEYOR_BELT_3_MIDDLE,
5618   EL_CONVEYOR_BELT_3_RIGHT,
5619   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5620
5621   EL_CONVEYOR_BELT_4_LEFT,
5622   EL_CONVEYOR_BELT_4_MIDDLE,
5623   EL_CONVEYOR_BELT_4_RIGHT,
5624   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5625
5626   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5627   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5628   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5629   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5630
5631   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5632   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5633   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5634   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5635
5636   EL_TIMEGATE_CLOSED,
5637   EL_TIMEGATE_OPEN,
5638   EL_TIMEGATE_SWITCH,
5639   EL_DC_TIMEGATE_SWITCH,
5640
5641   EL_SWITCHGATE_CLOSED,
5642   EL_SWITCHGATE_OPEN,
5643   EL_SWITCHGATE_SWITCH_UP,
5644   EL_SWITCHGATE_SWITCH_DOWN,
5645
5646   EL_LIGHT_SWITCH,
5647   EL_LIGHT_SWITCH_ACTIVE,
5648   EL_DC_SWITCHGATE_SWITCH_UP,
5649   EL_DC_SWITCHGATE_SWITCH_DOWN,
5650
5651   EL_STEEL_EXIT_CLOSED,
5652   EL_STEEL_EXIT_OPEN,
5653   EL_STEELWALL_SLIPPERY,
5654   EL_INVISIBLE_SAND,
5655
5656   EL_QUICKSAND_FAST_EMPTY,
5657   EL_QUICKSAND_FAST_FULL,
5658   EL_LANDMINE,
5659   EL_DC_LANDMINE,
5660
5661   EL_SHIELD_NORMAL,
5662   EL_SHIELD_DEADLY,
5663   EL_EXTRA_TIME,
5664   EL_DC_MAGIC_WALL,
5665
5666   EL_ENVELOPE_1,
5667   EL_ENVELOPE_2,
5668   EL_ENVELOPE_3,
5669   EL_ENVELOPE_4,
5670
5671   EL_SIGN_RADIOACTIVITY,
5672   EL_SIGN_WHEELCHAIR,
5673   EL_SIGN_PARKING,
5674   EL_SIGN_NO_ENTRY,
5675
5676   EL_SIGN_GIVE_WAY,
5677   EL_SIGN_ENTRY_FORBIDDEN,
5678   EL_SIGN_EMERGENCY_EXIT,
5679   EL_SIGN_YIN_YANG,
5680
5681 #if 0
5682   EL_SIGN_SPERMS,
5683   EL_SIGN_BULLET,
5684   EL_SIGN_HEART,
5685   EL_SIGN_CROSS,
5686
5687   EL_SIGN_FRANKIE,
5688   EL_EMPTY,
5689   EL_EMPTY,
5690   EL_EMPTY,
5691
5692   EL_SPERMS,
5693   EL_BULLET,
5694   EL_HEART,
5695   EL_CROSS,
5696
5697   EL_FRANKIE,
5698   EL_EMPTY,
5699   EL_EMPTY,
5700   EL_EMPTY,
5701 #endif
5702
5703   EL_DC_STEELWALL_2_SINGLE,
5704   EL_DC_STEELWALL_2_TOP,
5705   EL_SIGN_EXCLAMATION,
5706   EL_SIGN_STOP,
5707
5708   EL_DC_STEELWALL_2_LEFT,
5709   EL_DC_STEELWALL_2_MIDDLE,
5710   EL_DC_STEELWALL_2_HORIZONTAL,
5711   EL_DC_STEELWALL_2_RIGHT,
5712
5713   EL_DC_STEELWALL_1_TOPLEFT,
5714   EL_DC_STEELWALL_2_VERTICAL,
5715   EL_DC_STEELWALL_1_TOPRIGHT,
5716   EL_DC_GATE_WHITE,
5717
5718   EL_DC_STEELWALL_1_VERTICAL,
5719   EL_DC_STEELWALL_2_BOTTOM,
5720   EL_DC_KEY_WHITE,
5721   EL_DC_GATE_WHITE_GRAY,
5722
5723   EL_DC_STEELWALL_1_BOTTOMLEFT,
5724   EL_DC_STEELWALL_1_HORIZONTAL,
5725   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5726   EL_DC_GATE_FAKE_GRAY,
5727
5728   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5729   EL_DC_STEELWALL_1_BOTTOM,
5730   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5731   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5732
5733   EL_DC_STEELWALL_1_RIGHT,
5734   EL_EMPTY,
5735   EL_DC_STEELWALL_1_LEFT,
5736   EL_EXPANDABLE_STEELWALL_VERTICAL,
5737
5738   EL_DC_STEELWALL_1_TOPRIGHT_2,
5739   EL_DC_STEELWALL_1_TOP,
5740   EL_DC_STEELWALL_1_TOPLEFT_2,
5741   EL_EXPANDABLE_STEELWALL_ANY,
5742 };
5743 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5744 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5745 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5746 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5747
5748 static int editor_hl_dx_boulderdash[] =
5749 {
5750   EL_INTERNAL_CASCADE_DX_ACTIVE,
5751   EL_CHAR('D'),
5752   EL_CHAR('X'),
5753   EL_EMPTY,
5754 };
5755
5756 static int editor_el_dx_boulderdash[] =
5757 {
5758   EL_EMPTY,
5759   EL_TUBE_RIGHT_DOWN,
5760   EL_TUBE_HORIZONTAL_DOWN,
5761   EL_TUBE_LEFT_DOWN,
5762
5763   EL_TUBE_HORIZONTAL,
5764   EL_TUBE_VERTICAL_RIGHT,
5765   EL_TUBE_ANY,
5766   EL_TUBE_VERTICAL_LEFT,
5767
5768   EL_TUBE_VERTICAL,
5769   EL_TUBE_RIGHT_UP,
5770   EL_TUBE_HORIZONTAL_UP,
5771   EL_TUBE_LEFT_UP,
5772
5773   EL_TRAP,
5774   EL_DX_SUPABOMB,
5775   EL_EMPTY,
5776   EL_EMPTY
5777 };
5778 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5779 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5780 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5781 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5782
5783 static int editor_hl_mirror_magic[] =
5784 {
5785   EL_INTERNAL_CASCADE_MM_ACTIVE,
5786   EL_CHAR('M'),
5787   EL_CHAR('M'),
5788   EL_EMPTY,
5789 };
5790
5791 static int editor_el_mirror_magic[] =
5792 {
5793   EL_MM_MCDUFFIN_RIGHT,
5794   EL_MM_MCDUFFIN_UP,
5795   EL_MM_MCDUFFIN_LEFT,
5796   EL_MM_MCDUFFIN_DOWN,
5797
5798   EL_MM_MIRROR_START,
5799   EL_MM_MIRROR_FIXED_START,
5800   EL_MM_POLARIZER_START,
5801   EL_MM_POLARIZER_CROSS_START,
5802
5803   EL_MM_TELEPORTER_RED_START,
5804   EL_MM_TELEPORTER_YELLOW_START,
5805   EL_MM_TELEPORTER_GREEN_START,
5806   EL_MM_TELEPORTER_BLUE_START,
5807
5808   EL_MM_PRISM,
5809   EL_MM_FUSE_ACTIVE,
5810   EL_MM_PACMAN_RIGHT,
5811   EL_MM_EXIT_CLOSED,
5812
5813   EL_MM_KETTLE,
5814   EL_MM_BOMB,
5815   EL_MM_KEY,
5816   EL_MM_FUEL_FULL,
5817
5818   EL_MM_LIGHTBULB,
5819   EL_MM_LIGHTBULB_ACTIVE,
5820   EL_MM_GRAY_BALL,
5821   EL_MM_LIGHTBALL,
5822
5823   EL_MM_STEEL_WALL,
5824   EL_MM_WOODEN_WALL,
5825   EL_MM_ICE_WALL,
5826   EL_MM_AMOEBA_WALL,
5827
5828   EL_MM_STEEL_LOCK,
5829   EL_MM_WOODEN_LOCK,
5830   EL_MM_STEEL_BLOCK,
5831   EL_MM_WOODEN_BLOCK,
5832
5833   EL_MM_STEEL_GRID_FIXED_1,
5834   EL_MM_STEEL_GRID_FIXED_2,
5835   EL_MM_STEEL_GRID_FIXED_3,
5836   EL_MM_STEEL_GRID_FIXED_4,
5837
5838   EL_MM_WOODEN_GRID_FIXED_1,
5839   EL_MM_WOODEN_GRID_FIXED_2,
5840   EL_MM_WOODEN_GRID_FIXED_3,
5841   EL_MM_WOODEN_GRID_FIXED_4,
5842
5843   EL_MM_ENVELOPE_1,
5844   EL_MM_ENVELOPE_2,
5845   EL_MM_ENVELOPE_3,
5846   EL_MM_ENVELOPE_4
5847 };
5848 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5849 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5850 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5851 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5852
5853 static int editor_hl_deflektor[] =
5854 {
5855   EL_INTERNAL_CASCADE_DF_ACTIVE,
5856   EL_CHAR('D'),
5857   EL_CHAR('F'),
5858   EL_EMPTY,
5859 };
5860
5861 static int editor_el_deflektor[] =
5862 {
5863   EL_DF_LASER_RIGHT,
5864   EL_DF_LASER_UP,
5865   EL_DF_LASER_LEFT,
5866   EL_DF_LASER_DOWN,
5867
5868   EL_DF_RECEIVER_RIGHT,
5869   EL_DF_RECEIVER_UP,
5870   EL_DF_RECEIVER_LEFT,
5871   EL_DF_RECEIVER_DOWN,
5872
5873   EL_DF_MIRROR_START,
5874   EL_DF_MIRROR_ROTATING_START,
5875   EL_DF_MIRROR_FIXED_START,
5876   EL_DF_CELL,
5877
5878   EL_DF_FIBRE_OPTIC_RED_1,
5879   EL_DF_FIBRE_OPTIC_YELLOW_1,
5880   EL_DF_FIBRE_OPTIC_GREEN_1,
5881   EL_DF_FIBRE_OPTIC_BLUE_1,
5882
5883   EL_DF_STEEL_GRID_FIXED_START,
5884   EL_DF_STEEL_GRID_ROTATING_START,
5885   EL_DF_WOODEN_GRID_FIXED_START,
5886   EL_DF_WOODEN_GRID_ROTATING_START,
5887
5888   EL_DF_STEEL_WALL,
5889   EL_DF_WOODEN_WALL,
5890   EL_DF_REFRACTOR,
5891   EL_DF_MINE,
5892
5893   EL_DF_SLOPE_1,
5894   EL_DF_SLOPE_2,
5895   EL_DF_SLOPE_3,
5896   EL_DF_SLOPE_4
5897 };
5898 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5899 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5900 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5901 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5902
5903 static int editor_hl_chars[] =
5904 {
5905   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5906   EL_CHAR('T'),
5907   EL_CHAR('X'),
5908   EL_CHAR('T'),
5909 };
5910
5911 static int editor_el_chars[] =
5912 {
5913   EL_CHAR(' '),
5914   EL_CHAR('!'),
5915   EL_CHAR('"'),
5916   EL_CHAR('#'),
5917
5918   EL_CHAR('$'),
5919   EL_CHAR('%'),
5920   EL_CHAR('&'),
5921   EL_CHAR('\''),
5922
5923   EL_CHAR('('),
5924   EL_CHAR(')'),
5925   EL_CHAR('*'),
5926   EL_CHAR('+'),
5927
5928   EL_CHAR(','),
5929   EL_CHAR('-'),
5930   EL_CHAR('.'),
5931   EL_CHAR('/'),
5932
5933   EL_CHAR('0'),
5934   EL_CHAR('1'),
5935   EL_CHAR('2'),
5936   EL_CHAR('3'),
5937
5938   EL_CHAR('4'),
5939   EL_CHAR('5'),
5940   EL_CHAR('6'),
5941   EL_CHAR('7'),
5942
5943   EL_CHAR('8'),
5944   EL_CHAR('9'),
5945   EL_CHAR(':'),
5946   EL_CHAR(';'),
5947
5948   EL_CHAR('<'),
5949   EL_CHAR('='),
5950   EL_CHAR('>'),
5951   EL_CHAR('?'),
5952
5953   EL_CHAR('@'),
5954   EL_CHAR('A'),
5955   EL_CHAR('B'),
5956   EL_CHAR('C'),
5957
5958   EL_CHAR('D'),
5959   EL_CHAR('E'),
5960   EL_CHAR('F'),
5961   EL_CHAR('G'),
5962
5963   EL_CHAR('H'),
5964   EL_CHAR('I'),
5965   EL_CHAR('J'),
5966   EL_CHAR('K'),
5967
5968   EL_CHAR('L'),
5969   EL_CHAR('M'),
5970   EL_CHAR('N'),
5971   EL_CHAR('O'),
5972
5973   EL_CHAR('P'),
5974   EL_CHAR('Q'),
5975   EL_CHAR('R'),
5976   EL_CHAR('S'),
5977
5978   EL_CHAR('T'),
5979   EL_CHAR('U'),
5980   EL_CHAR('V'),
5981   EL_CHAR('W'),
5982
5983   EL_CHAR('X'),
5984   EL_CHAR('Y'),
5985   EL_CHAR('Z'),
5986   EL_CHAR('['),
5987
5988   EL_CHAR('\\'),
5989   EL_CHAR(']'),
5990   EL_CHAR('^'),
5991   EL_CHAR('_'),
5992
5993   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5994   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5995   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5996   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5997
5998   EL_CHAR(CHAR_BYTE_DEGREE),
5999   EL_CHAR(CHAR_BYTE_REGISTERED),
6000   EL_CHAR(FONT_ASCII_CURSOR),
6001   EL_CHAR(FONT_ASCII_BUTTON),
6002
6003   EL_CHAR(FONT_ASCII_UP),
6004   EL_CHAR(FONT_ASCII_DOWN),
6005   EL_CHAR(' '),
6006   EL_CHAR(' ')
6007 };
6008 static int *editor_hl_chars_ptr = editor_hl_chars;
6009 static int *editor_el_chars_ptr = editor_el_chars;
6010 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6011 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6012
6013 static int editor_hl_steel_chars[] =
6014 {
6015   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6016   EL_STEEL_CHAR('T'),
6017   EL_STEEL_CHAR('X'),
6018   EL_STEEL_CHAR('T'),
6019 };
6020
6021 static int editor_el_steel_chars[] =
6022 {
6023   EL_STEEL_CHAR(' '),
6024   EL_STEEL_CHAR('!'),
6025   EL_STEEL_CHAR('"'),
6026   EL_STEEL_CHAR('#'),
6027
6028   EL_STEEL_CHAR('$'),
6029   EL_STEEL_CHAR('%'),
6030   EL_STEEL_CHAR('&'),
6031   EL_STEEL_CHAR('\''),
6032
6033   EL_STEEL_CHAR('('),
6034   EL_STEEL_CHAR(')'),
6035   EL_STEEL_CHAR('*'),
6036   EL_STEEL_CHAR('+'),
6037
6038   EL_STEEL_CHAR(','),
6039   EL_STEEL_CHAR('-'),
6040   EL_STEEL_CHAR('.'),
6041   EL_STEEL_CHAR('/'),
6042
6043   EL_STEEL_CHAR('0'),
6044   EL_STEEL_CHAR('1'),
6045   EL_STEEL_CHAR('2'),
6046   EL_STEEL_CHAR('3'),
6047
6048   EL_STEEL_CHAR('4'),
6049   EL_STEEL_CHAR('5'),
6050   EL_STEEL_CHAR('6'),
6051   EL_STEEL_CHAR('7'),
6052
6053   EL_STEEL_CHAR('8'),
6054   EL_STEEL_CHAR('9'),
6055   EL_STEEL_CHAR(':'),
6056   EL_STEEL_CHAR(';'),
6057
6058   EL_STEEL_CHAR('<'),
6059   EL_STEEL_CHAR('='),
6060   EL_STEEL_CHAR('>'),
6061   EL_STEEL_CHAR('?'),
6062
6063   EL_STEEL_CHAR('@'),
6064   EL_STEEL_CHAR('A'),
6065   EL_STEEL_CHAR('B'),
6066   EL_STEEL_CHAR('C'),
6067
6068   EL_STEEL_CHAR('D'),
6069   EL_STEEL_CHAR('E'),
6070   EL_STEEL_CHAR('F'),
6071   EL_STEEL_CHAR('G'),
6072
6073   EL_STEEL_CHAR('H'),
6074   EL_STEEL_CHAR('I'),
6075   EL_STEEL_CHAR('J'),
6076   EL_STEEL_CHAR('K'),
6077
6078   EL_STEEL_CHAR('L'),
6079   EL_STEEL_CHAR('M'),
6080   EL_STEEL_CHAR('N'),
6081   EL_STEEL_CHAR('O'),
6082
6083   EL_STEEL_CHAR('P'),
6084   EL_STEEL_CHAR('Q'),
6085   EL_STEEL_CHAR('R'),
6086   EL_STEEL_CHAR('S'),
6087
6088   EL_STEEL_CHAR('T'),
6089   EL_STEEL_CHAR('U'),
6090   EL_STEEL_CHAR('V'),
6091   EL_STEEL_CHAR('W'),
6092
6093   EL_STEEL_CHAR('X'),
6094   EL_STEEL_CHAR('Y'),
6095   EL_STEEL_CHAR('Z'),
6096   EL_STEEL_CHAR('['),
6097
6098   EL_STEEL_CHAR('\\'),
6099   EL_STEEL_CHAR(']'),
6100   EL_STEEL_CHAR('^'),
6101   EL_STEEL_CHAR('_'),
6102
6103   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6104   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6105   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6106   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6107
6108   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6109   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6110   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6111   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6112
6113   EL_STEEL_CHAR(FONT_ASCII_UP),
6114   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6115   EL_STEEL_CHAR(' '),
6116   EL_STEEL_CHAR(' ')
6117 };
6118 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6119 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6120 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6121 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6122
6123 static int editor_hl_custom[] =
6124 {
6125   EL_INTERNAL_CASCADE_CE_ACTIVE,
6126   EL_CHAR('C'),
6127   EL_CHAR('E'),
6128   EL_EMPTY,
6129 };
6130
6131 static int editor_el_custom[] =
6132 {
6133   EL_CUSTOM_START + 0,
6134   EL_CUSTOM_START + 1,
6135   EL_CUSTOM_START + 2,
6136   EL_CUSTOM_START + 3,
6137
6138   EL_CUSTOM_START + 4,
6139   EL_CUSTOM_START + 5,
6140   EL_CUSTOM_START + 6,
6141   EL_CUSTOM_START + 7,
6142
6143   EL_CUSTOM_START + 8,
6144   EL_CUSTOM_START + 9,
6145   EL_CUSTOM_START + 10,
6146   EL_CUSTOM_START + 11,
6147
6148   EL_CUSTOM_START + 12,
6149   EL_CUSTOM_START + 13,
6150   EL_CUSTOM_START + 14,
6151   EL_CUSTOM_START + 15,
6152
6153   EL_CUSTOM_START + 16,
6154   EL_CUSTOM_START + 17,
6155   EL_CUSTOM_START + 18,
6156   EL_CUSTOM_START + 19,
6157
6158   EL_CUSTOM_START + 20,
6159   EL_CUSTOM_START + 21,
6160   EL_CUSTOM_START + 22,
6161   EL_CUSTOM_START + 23,
6162
6163   EL_CUSTOM_START + 24,
6164   EL_CUSTOM_START + 25,
6165   EL_CUSTOM_START + 26,
6166   EL_CUSTOM_START + 27,
6167
6168   EL_CUSTOM_START + 28,
6169   EL_CUSTOM_START + 29,
6170   EL_CUSTOM_START + 30,
6171   EL_CUSTOM_START + 31,
6172
6173   EL_CUSTOM_START + 32,
6174   EL_CUSTOM_START + 33,
6175   EL_CUSTOM_START + 34,
6176   EL_CUSTOM_START + 35,
6177
6178   EL_CUSTOM_START + 36,
6179   EL_CUSTOM_START + 37,
6180   EL_CUSTOM_START + 38,
6181   EL_CUSTOM_START + 39,
6182
6183   EL_CUSTOM_START + 40,
6184   EL_CUSTOM_START + 41,
6185   EL_CUSTOM_START + 42,
6186   EL_CUSTOM_START + 43,
6187
6188   EL_CUSTOM_START + 44,
6189   EL_CUSTOM_START + 45,
6190   EL_CUSTOM_START + 46,
6191   EL_CUSTOM_START + 47,
6192
6193   EL_CUSTOM_START + 48,
6194   EL_CUSTOM_START + 49,
6195   EL_CUSTOM_START + 50,
6196   EL_CUSTOM_START + 51,
6197
6198   EL_CUSTOM_START + 52,
6199   EL_CUSTOM_START + 53,
6200   EL_CUSTOM_START + 54,
6201   EL_CUSTOM_START + 55,
6202
6203   EL_CUSTOM_START + 56,
6204   EL_CUSTOM_START + 57,
6205   EL_CUSTOM_START + 58,
6206   EL_CUSTOM_START + 59,
6207
6208   EL_CUSTOM_START + 60,
6209   EL_CUSTOM_START + 61,
6210   EL_CUSTOM_START + 62,
6211   EL_CUSTOM_START + 63,
6212
6213   EL_CUSTOM_START + 64,
6214   EL_CUSTOM_START + 65,
6215   EL_CUSTOM_START + 66,
6216   EL_CUSTOM_START + 67,
6217
6218   EL_CUSTOM_START + 68,
6219   EL_CUSTOM_START + 69,
6220   EL_CUSTOM_START + 70,
6221   EL_CUSTOM_START + 71,
6222
6223   EL_CUSTOM_START + 72,
6224   EL_CUSTOM_START + 73,
6225   EL_CUSTOM_START + 74,
6226   EL_CUSTOM_START + 75,
6227
6228   EL_CUSTOM_START + 76,
6229   EL_CUSTOM_START + 77,
6230   EL_CUSTOM_START + 78,
6231   EL_CUSTOM_START + 79,
6232
6233   EL_CUSTOM_START + 80,
6234   EL_CUSTOM_START + 81,
6235   EL_CUSTOM_START + 82,
6236   EL_CUSTOM_START + 83,
6237
6238   EL_CUSTOM_START + 84,
6239   EL_CUSTOM_START + 85,
6240   EL_CUSTOM_START + 86,
6241   EL_CUSTOM_START + 87,
6242
6243   EL_CUSTOM_START + 88,
6244   EL_CUSTOM_START + 89,
6245   EL_CUSTOM_START + 90,
6246   EL_CUSTOM_START + 91,
6247
6248   EL_CUSTOM_START + 92,
6249   EL_CUSTOM_START + 93,
6250   EL_CUSTOM_START + 94,
6251   EL_CUSTOM_START + 95,
6252
6253   EL_CUSTOM_START + 96,
6254   EL_CUSTOM_START + 97,
6255   EL_CUSTOM_START + 98,
6256   EL_CUSTOM_START + 99,
6257
6258   EL_CUSTOM_START + 100,
6259   EL_CUSTOM_START + 101,
6260   EL_CUSTOM_START + 102,
6261   EL_CUSTOM_START + 103,
6262
6263   EL_CUSTOM_START + 104,
6264   EL_CUSTOM_START + 105,
6265   EL_CUSTOM_START + 106,
6266   EL_CUSTOM_START + 107,
6267
6268   EL_CUSTOM_START + 108,
6269   EL_CUSTOM_START + 109,
6270   EL_CUSTOM_START + 110,
6271   EL_CUSTOM_START + 111,
6272
6273   EL_CUSTOM_START + 112,
6274   EL_CUSTOM_START + 113,
6275   EL_CUSTOM_START + 114,
6276   EL_CUSTOM_START + 115,
6277
6278   EL_CUSTOM_START + 116,
6279   EL_CUSTOM_START + 117,
6280   EL_CUSTOM_START + 118,
6281   EL_CUSTOM_START + 119,
6282
6283   EL_CUSTOM_START + 120,
6284   EL_CUSTOM_START + 121,
6285   EL_CUSTOM_START + 122,
6286   EL_CUSTOM_START + 123,
6287
6288   EL_CUSTOM_START + 124,
6289   EL_CUSTOM_START + 125,
6290   EL_CUSTOM_START + 126,
6291   EL_CUSTOM_START + 127,
6292
6293   EL_CUSTOM_START + 128,
6294   EL_CUSTOM_START + 129,
6295   EL_CUSTOM_START + 130,
6296   EL_CUSTOM_START + 131,
6297
6298   EL_CUSTOM_START + 132,
6299   EL_CUSTOM_START + 133,
6300   EL_CUSTOM_START + 134,
6301   EL_CUSTOM_START + 135,
6302
6303   EL_CUSTOM_START + 136,
6304   EL_CUSTOM_START + 137,
6305   EL_CUSTOM_START + 138,
6306   EL_CUSTOM_START + 139,
6307
6308   EL_CUSTOM_START + 140,
6309   EL_CUSTOM_START + 141,
6310   EL_CUSTOM_START + 142,
6311   EL_CUSTOM_START + 143,
6312
6313   EL_CUSTOM_START + 144,
6314   EL_CUSTOM_START + 145,
6315   EL_CUSTOM_START + 146,
6316   EL_CUSTOM_START + 147,
6317
6318   EL_CUSTOM_START + 148,
6319   EL_CUSTOM_START + 149,
6320   EL_CUSTOM_START + 150,
6321   EL_CUSTOM_START + 151,
6322
6323   EL_CUSTOM_START + 152,
6324   EL_CUSTOM_START + 153,
6325   EL_CUSTOM_START + 154,
6326   EL_CUSTOM_START + 155,
6327
6328   EL_CUSTOM_START + 156,
6329   EL_CUSTOM_START + 157,
6330   EL_CUSTOM_START + 158,
6331   EL_CUSTOM_START + 159,
6332
6333   EL_CUSTOM_START + 160,
6334   EL_CUSTOM_START + 161,
6335   EL_CUSTOM_START + 162,
6336   EL_CUSTOM_START + 163,
6337
6338   EL_CUSTOM_START + 164,
6339   EL_CUSTOM_START + 165,
6340   EL_CUSTOM_START + 166,
6341   EL_CUSTOM_START + 167,
6342
6343   EL_CUSTOM_START + 168,
6344   EL_CUSTOM_START + 169,
6345   EL_CUSTOM_START + 170,
6346   EL_CUSTOM_START + 171,
6347
6348   EL_CUSTOM_START + 172,
6349   EL_CUSTOM_START + 173,
6350   EL_CUSTOM_START + 174,
6351   EL_CUSTOM_START + 175,
6352
6353   EL_CUSTOM_START + 176,
6354   EL_CUSTOM_START + 177,
6355   EL_CUSTOM_START + 178,
6356   EL_CUSTOM_START + 179,
6357
6358   EL_CUSTOM_START + 180,
6359   EL_CUSTOM_START + 181,
6360   EL_CUSTOM_START + 182,
6361   EL_CUSTOM_START + 183,
6362
6363   EL_CUSTOM_START + 184,
6364   EL_CUSTOM_START + 185,
6365   EL_CUSTOM_START + 186,
6366   EL_CUSTOM_START + 187,
6367
6368   EL_CUSTOM_START + 188,
6369   EL_CUSTOM_START + 189,
6370   EL_CUSTOM_START + 190,
6371   EL_CUSTOM_START + 191,
6372
6373   EL_CUSTOM_START + 192,
6374   EL_CUSTOM_START + 193,
6375   EL_CUSTOM_START + 194,
6376   EL_CUSTOM_START + 195,
6377
6378   EL_CUSTOM_START + 196,
6379   EL_CUSTOM_START + 197,
6380   EL_CUSTOM_START + 198,
6381   EL_CUSTOM_START + 199,
6382
6383   EL_CUSTOM_START + 200,
6384   EL_CUSTOM_START + 201,
6385   EL_CUSTOM_START + 202,
6386   EL_CUSTOM_START + 203,
6387
6388   EL_CUSTOM_START + 204,
6389   EL_CUSTOM_START + 205,
6390   EL_CUSTOM_START + 206,
6391   EL_CUSTOM_START + 207,
6392
6393   EL_CUSTOM_START + 208,
6394   EL_CUSTOM_START + 209,
6395   EL_CUSTOM_START + 210,
6396   EL_CUSTOM_START + 211,
6397
6398   EL_CUSTOM_START + 212,
6399   EL_CUSTOM_START + 213,
6400   EL_CUSTOM_START + 214,
6401   EL_CUSTOM_START + 215,
6402
6403   EL_CUSTOM_START + 216,
6404   EL_CUSTOM_START + 217,
6405   EL_CUSTOM_START + 218,
6406   EL_CUSTOM_START + 219,
6407
6408   EL_CUSTOM_START + 220,
6409   EL_CUSTOM_START + 221,
6410   EL_CUSTOM_START + 222,
6411   EL_CUSTOM_START + 223,
6412
6413   EL_CUSTOM_START + 224,
6414   EL_CUSTOM_START + 225,
6415   EL_CUSTOM_START + 226,
6416   EL_CUSTOM_START + 227,
6417
6418   EL_CUSTOM_START + 228,
6419   EL_CUSTOM_START + 229,
6420   EL_CUSTOM_START + 230,
6421   EL_CUSTOM_START + 231,
6422
6423   EL_CUSTOM_START + 232,
6424   EL_CUSTOM_START + 233,
6425   EL_CUSTOM_START + 234,
6426   EL_CUSTOM_START + 235,
6427
6428   EL_CUSTOM_START + 236,
6429   EL_CUSTOM_START + 237,
6430   EL_CUSTOM_START + 238,
6431   EL_CUSTOM_START + 239,
6432
6433   EL_CUSTOM_START + 240,
6434   EL_CUSTOM_START + 241,
6435   EL_CUSTOM_START + 242,
6436   EL_CUSTOM_START + 243,
6437
6438   EL_CUSTOM_START + 244,
6439   EL_CUSTOM_START + 245,
6440   EL_CUSTOM_START + 246,
6441   EL_CUSTOM_START + 247,
6442
6443   EL_CUSTOM_START + 248,
6444   EL_CUSTOM_START + 249,
6445   EL_CUSTOM_START + 250,
6446   EL_CUSTOM_START + 251,
6447
6448   EL_CUSTOM_START + 252,
6449   EL_CUSTOM_START + 253,
6450   EL_CUSTOM_START + 254,
6451   EL_CUSTOM_START + 255
6452 };
6453 static int *editor_hl_custom_ptr = editor_hl_custom;
6454 static int *editor_el_custom_ptr = editor_el_custom;
6455 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6456 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6457
6458 static int editor_hl_group[] =
6459 {
6460   EL_INTERNAL_CASCADE_GE_ACTIVE,
6461   EL_CHAR('G'),
6462   EL_CHAR('E'),
6463   EL_EMPTY,
6464 };
6465
6466 static int editor_el_group[] =
6467 {
6468   EL_GROUP_START + 0,
6469   EL_GROUP_START + 1,
6470   EL_GROUP_START + 2,
6471   EL_GROUP_START + 3,
6472
6473   EL_GROUP_START + 4,
6474   EL_GROUP_START + 5,
6475   EL_GROUP_START + 6,
6476   EL_GROUP_START + 7,
6477
6478   EL_GROUP_START + 8,
6479   EL_GROUP_START + 9,
6480   EL_GROUP_START + 10,
6481   EL_GROUP_START + 11,
6482
6483   EL_GROUP_START + 12,
6484   EL_GROUP_START + 13,
6485   EL_GROUP_START + 14,
6486   EL_GROUP_START + 15,
6487
6488   EL_GROUP_START + 16,
6489   EL_GROUP_START + 17,
6490   EL_GROUP_START + 18,
6491   EL_GROUP_START + 19,
6492
6493   EL_GROUP_START + 20,
6494   EL_GROUP_START + 21,
6495   EL_GROUP_START + 22,
6496   EL_GROUP_START + 23,
6497
6498   EL_GROUP_START + 24,
6499   EL_GROUP_START + 25,
6500   EL_GROUP_START + 26,
6501   EL_GROUP_START + 27,
6502
6503   EL_GROUP_START + 28,
6504   EL_GROUP_START + 29,
6505   EL_GROUP_START + 30,
6506   EL_GROUP_START + 31
6507 };
6508 static int *editor_hl_group_ptr = editor_hl_group;
6509 static int *editor_el_group_ptr = editor_el_group;
6510 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6511 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6512
6513 static int editor_hl_empty_space[] =
6514 {
6515   EL_INTERNAL_CASCADE_ES_ACTIVE,
6516   EL_CHAR('E'),
6517   EL_CHAR('S'),
6518   EL_EMPTY,
6519 };
6520
6521 static int editor_el_empty_space[] =
6522 {
6523   EL_EMPTY_SPACE_1,
6524   EL_EMPTY_SPACE_2,
6525   EL_EMPTY_SPACE_3,
6526   EL_EMPTY_SPACE_4,
6527
6528   EL_EMPTY_SPACE_5,
6529   EL_EMPTY_SPACE_6,
6530   EL_EMPTY_SPACE_7,
6531   EL_EMPTY_SPACE_8,
6532
6533   EL_EMPTY_SPACE_9,
6534   EL_EMPTY_SPACE_10,
6535   EL_EMPTY_SPACE_11,
6536   EL_EMPTY_SPACE_12,
6537
6538   EL_EMPTY_SPACE_13,
6539   EL_EMPTY_SPACE_14,
6540   EL_EMPTY_SPACE_15,
6541   EL_EMPTY_SPACE_16
6542 };
6543 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6544 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6545 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6546 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6547
6548 static int editor_hl_reference[] =
6549 {
6550   EL_INTERNAL_CASCADE_REF_ACTIVE,
6551   EL_CHAR('R'),
6552   EL_CHAR('E'),
6553   EL_CHAR('F')
6554 };
6555
6556 static int editor_el_reference[] =
6557 {
6558   EL_TRIGGER_PLAYER,
6559   EL_TRIGGER_ELEMENT,
6560   EL_TRIGGER_CE_VALUE,
6561   EL_TRIGGER_CE_SCORE,
6562
6563   EL_SELF,
6564   EL_ANY_ELEMENT,
6565   EL_CURRENT_CE_VALUE,
6566   EL_CURRENT_CE_SCORE,
6567
6568   EL_PREV_CE_8,
6569   EL_PREV_CE_7,
6570   EL_PREV_CE_6,
6571   EL_PREV_CE_5,
6572
6573   EL_PREV_CE_4,
6574   EL_PREV_CE_3,
6575   EL_PREV_CE_2,
6576   EL_PREV_CE_1,
6577
6578   EL_NEXT_CE_1,
6579   EL_NEXT_CE_2,
6580   EL_NEXT_CE_3,
6581   EL_NEXT_CE_4,
6582
6583   EL_NEXT_CE_5,
6584   EL_NEXT_CE_6,
6585   EL_NEXT_CE_7,
6586   EL_NEXT_CE_8,
6587 };
6588 static int *editor_hl_reference_ptr = editor_hl_reference;
6589 static int *editor_el_reference_ptr = editor_el_reference;
6590 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6591 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6592
6593 static int editor_hl_user_defined[] =
6594 {
6595   EL_INTERNAL_CASCADE_USER_ACTIVE,
6596   EL_CHAR('M'),
6597   EL_CHAR('Y'),
6598   EL_EMPTY,
6599 };
6600
6601 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6602 static int *editor_el_user_defined_ptr = NULL;
6603 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6604 static int num_editor_el_user_defined = 0;
6605
6606 static int editor_hl_dynamic[] =
6607 {
6608   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6609   EL_CHAR('U'),
6610   EL_CHAR('S'),
6611   EL_CHAR('E'),
6612 };
6613
6614 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6615 static int *editor_el_dynamic_ptr = NULL;
6616 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6617 static int num_editor_el_dynamic = 0;
6618
6619 static int editor_hl_empty[] = { EL_EMPTY };
6620 static int *editor_el_empty = NULL;     // dynamically allocated
6621
6622 static int *editor_hl_empty_ptr = editor_hl_empty;
6623 static int *editor_el_empty_ptr = NULL;
6624 static int num_editor_hl_empty = 0;
6625 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6626
6627 static boolean use_el_empty = FALSE;
6628
6629 static int *editor_elements = NULL;     // dynamically allocated
6630 static int num_editor_elements = 0;     // dynamically determined
6631
6632 static boolean setup_editor_cascade_never = FALSE;
6633
6634 static boolean setup_editor_el_players                  = TRUE;
6635 static boolean setup_editor_el_boulderdash              = TRUE;
6636 static boolean setup_editor_el_boulderdash_native       = TRUE;
6637 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6638 static boolean setup_editor_el_emerald_mine             = TRUE;
6639 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6640 static boolean setup_editor_el_more                     = TRUE;
6641 static boolean setup_editor_el_sokoban                  = TRUE;
6642 static boolean setup_editor_el_supaplex                 = TRUE;
6643 static boolean setup_editor_el_diamond_caves            = TRUE;
6644 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6645 static boolean setup_editor_el_mirror_magic             = TRUE;
6646 static boolean setup_editor_el_deflektor                = TRUE;
6647 static boolean setup_editor_el_chars                    = TRUE;
6648 static boolean setup_editor_el_steel_chars              = TRUE;
6649 static boolean setup_editor_el_custom                   = TRUE;
6650 static boolean setup_editor_el_user_defined             = TRUE;
6651 static boolean setup_editor_el_dynamic                  = TRUE;
6652
6653 static int editor_hl_unused[] = { EL_EMPTY };
6654 static int *editor_hl_unused_ptr = editor_hl_unused;
6655 static int num_editor_hl_unused = 0;
6656
6657 static struct
6658 {
6659   boolean *setup_value;
6660   boolean *setup_cascade_value;
6661
6662   int **headline_list;
6663   int *headline_list_size;
6664
6665   int **element_list;
6666   int *element_list_size;
6667
6668   boolean last_setup_value;
6669 }
6670 editor_elements_info[] =
6671 {
6672   {
6673     &setup_editor_el_players,
6674     &setup_editor_cascade_never,
6675     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6676     &editor_el_players_ptr,             &num_editor_el_players
6677   },
6678   {
6679     &setup_editor_el_boulderdash,
6680     &setup.editor_cascade.el_bd,
6681     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6682     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6683   },
6684   {
6685     &setup_editor_el_boulderdash_native,
6686     &setup.editor_cascade.el_bd_native,
6687     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6688     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6689   },
6690   {
6691     &setup_editor_el_boulderdash_effects,
6692     &setup.editor_cascade.el_bd_effects,
6693     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6694     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6695   },
6696   {
6697     &setup_editor_el_emerald_mine,
6698     &setup.editor_cascade.el_em,
6699     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6700     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6701   },
6702   {
6703     &setup_editor_el_emerald_mine_club,
6704     &setup.editor_cascade.el_emc,
6705     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6706     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6707   },
6708   {
6709     &setup_editor_el_more,
6710     &setup.editor_cascade.el_rnd,
6711     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6712     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6713   },
6714   {
6715     &setup_editor_el_sokoban,
6716     &setup.editor_cascade.el_sb,
6717     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6718     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6719   },
6720   {
6721     &setup_editor_el_supaplex,
6722     &setup.editor_cascade.el_sp,
6723     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6724     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6725   },
6726   {
6727     &setup_editor_el_diamond_caves,
6728     &setup.editor_cascade.el_dc,
6729     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6730     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6731   },
6732   {
6733     &setup_editor_el_dx_boulderdash,
6734     &setup.editor_cascade.el_dx,
6735     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6736     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6737   },
6738   {
6739     &setup_editor_el_mirror_magic,
6740     &setup.editor_cascade.el_mm,
6741     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6742     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6743   },
6744   {
6745     &setup_editor_el_deflektor,
6746     &setup.editor_cascade.el_df,
6747     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6748     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6749   },
6750   {
6751     &setup_editor_el_chars,
6752     &setup.editor_cascade.el_chars,
6753     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6754     &editor_el_chars_ptr,               &num_editor_el_chars
6755   },
6756   {
6757     &setup_editor_el_steel_chars,
6758     &setup.editor_cascade.el_steel_chars,
6759     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6760     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6761   },
6762   {
6763     &setup_editor_el_custom,
6764     &setup.editor_cascade.el_ce,
6765     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6766     &editor_el_custom_ptr,              &num_editor_el_custom
6767   },
6768   {
6769     &setup_editor_el_custom,
6770     &setup.editor_cascade.el_ge,
6771     &editor_hl_group_ptr,               &num_editor_hl_group,
6772     &editor_el_group_ptr,               &num_editor_el_group
6773   },
6774   {
6775     &setup_editor_el_custom,
6776     &setup.editor_cascade.el_es,
6777     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6778     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6779   },
6780   {
6781     &setup_editor_el_custom,
6782     &setup.editor_cascade.el_ref,
6783     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6784     &editor_el_reference_ptr,           &num_editor_el_reference
6785   },
6786   {
6787     &setup_editor_el_user_defined,
6788     &setup.editor_cascade.el_user,
6789     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6790     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6791   },
6792   {
6793     &setup_editor_el_dynamic,
6794     &setup.editor_cascade.el_dynamic,
6795     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6796     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6797   },
6798   {
6799     &use_el_empty,
6800     &use_el_empty,
6801     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6802     &editor_el_empty_ptr,               &num_editor_el_empty,
6803   },
6804   {
6805     NULL,
6806     NULL,
6807     NULL,                               NULL,
6808     NULL,                               NULL
6809   }
6810 };
6811
6812 static struct XY xy_directions[] =
6813 {
6814   { -1,  0 },
6815   { +1,  0 },
6816   {  0, -1 },
6817   {  0, +1 }
6818 };
6819
6820
6821 // ----------------------------------------------------------------------------
6822 // functions
6823 // ----------------------------------------------------------------------------
6824
6825 static int getMaxInfoTextLength(void)
6826 {
6827   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6828 }
6829
6830 static int getTextWidthForGadget(char *text)
6831 {
6832   if (text == NULL)
6833     return 0;
6834
6835   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6836 }
6837
6838 static int getTextWidthForDrawingArea(char *text)
6839 {
6840   if (text == NULL)
6841     return 0;
6842
6843   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6844 }
6845
6846 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6847 {
6848   return (gi->x + gi->width + getTextWidthForGadget(text));
6849 }
6850
6851 static char *getElementInfoText(int element)
6852 {
6853   char *info_text = NULL;
6854
6855   if (element < MAX_NUM_ELEMENTS)
6856   {
6857     if (strlen(element_info[element].description) > 0)
6858       info_text = element_info[element].description;
6859     else if (element_info[element].custom_description != NULL)
6860       info_text = element_info[element].custom_description;
6861     else if (element_info[element].editor_description != NULL)
6862       info_text = element_info[element].editor_description;
6863   }
6864
6865   if (info_text == NULL)
6866     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6867
6868   return info_text;
6869 }
6870
6871 static char *getElementDescriptionFilenameExt(char *basename)
6872 {
6873   char *elements_subdir = ELEMENTS_DIRECTORY;
6874   static char *elements_subdir2 = NULL;
6875   static char *filename = NULL;
6876
6877   if (elements_subdir2 == NULL)
6878     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6879
6880   checked_free(filename);
6881
6882   // 1st try: look for element description in current level set directory
6883   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6884   if (fileExists(filename))
6885     return filename;
6886
6887   free(filename);
6888
6889   // 2nd try: look for element description in the game's base directory
6890   filename = getPath3(options.docs_directory, elements_subdir, basename);
6891   if (fileExists(filename))
6892     return filename;
6893
6894   return NULL;
6895 }
6896
6897 static char *getElementDescriptionFilename(int element)
6898 {
6899   char basename[MAX_FILENAME_LEN];
6900   char *filename;
6901
6902   // 1st try: look for element description file for exactly this element
6903   sprintf(basename, "%s.txt", element_info[element].token_name);
6904   filename = getElementDescriptionFilenameExt(basename);
6905   if (filename != NULL)
6906     return filename;
6907
6908   // 2nd try: look for element description file for this element's class
6909   sprintf(basename, "%s.txt", element_info[element].class_name);
6910   filename = getElementDescriptionFilenameExt(basename);
6911   if (filename != NULL)
6912     return filename;
6913
6914   // 3rd try: look for generic fallback text file for any element
6915   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6916   if (filename != NULL)
6917     return filename;
6918
6919   return NULL;
6920 }
6921
6922 static boolean suppressBorderElement(void)
6923 {
6924   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6925           lev_fieldx <= MAX_ED_FIELDX &&
6926           lev_fieldy <= MAX_ED_FIELDY);
6927 }
6928
6929 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6930 {
6931   boolean element_found[NUM_FILE_ELEMENTS];
6932   int i, x, y;
6933
6934   // initialize list of used elements to "not used"
6935   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6936     element_found[i] = FALSE;
6937
6938   // find all elements used in current level
6939   for (y = 0; y < lev_fieldy; y++)
6940   {
6941     for (x = 0; x < lev_fieldx; x++)
6942     {
6943       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6944         continue;
6945
6946       if (IS_MM_WALL(Tile[x][y]))
6947         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6948       else
6949         element_found[Tile[x][y]] = TRUE;
6950     }
6951   }
6952
6953   *num_elements = 0;
6954
6955   // count number of elements used in current level
6956   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6957     if (element_found[i])
6958       (*num_elements)++;
6959
6960   // add space for up to 3 more elements for padding that may be needed
6961   *num_elements += 3;
6962
6963   // free memory for old list of elements, if needed
6964   checked_free(*elements);
6965
6966   // allocate memory for new list of elements
6967   *elements = checked_malloc(*num_elements * sizeof(int));
6968
6969   *num_elements = 0;
6970
6971   // add all elements used in current level (non-custom/group/empty elements)
6972   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6973     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6974                               IS_GROUP_ELEMENT(i) ||
6975                               IS_EMPTY_ELEMENT(i)))
6976       (*elements)[(*num_elements)++] = i;
6977
6978   // add all elements used in current level (custom/group/empty elements)
6979   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6980     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6981                              IS_GROUP_ELEMENT(i) ||
6982                              IS_EMPTY_ELEMENT(i)))
6983       (*elements)[(*num_elements)++] = i;
6984
6985   while (*num_elements % 4)     // pad with empty elements, if needed
6986     (*elements)[(*num_elements)++] = EL_EMPTY;
6987 }
6988
6989 static void ReinitializeElementList_EnableSections(void)
6990 {
6991   // default: enable all element sections
6992
6993   setup_editor_el_players               = TRUE;
6994   setup_editor_el_boulderdash           = TRUE;
6995   setup_editor_el_boulderdash_native    = TRUE;
6996   setup_editor_el_boulderdash_effects   = TRUE;
6997   setup_editor_el_emerald_mine          = TRUE;
6998   setup_editor_el_emerald_mine_club     = TRUE;
6999   setup_editor_el_more                  = TRUE;
7000   setup_editor_el_sokoban               = TRUE;
7001   setup_editor_el_supaplex              = TRUE;
7002   setup_editor_el_diamond_caves         = TRUE;
7003   setup_editor_el_dx_boulderdash        = TRUE;
7004   setup_editor_el_mirror_magic          = TRUE;
7005   setup_editor_el_deflektor             = TRUE;
7006   setup_editor_el_chars                 = TRUE;
7007   setup_editor_el_steel_chars           = TRUE;
7008
7009   setup_editor_el_custom                = TRUE;
7010   setup_editor_el_user_defined          = TRUE;
7011   setup_editor_el_dynamic               = TRUE;
7012
7013   // now disable all element sections not to be displayed
7014
7015   if (!setup.editor.el_classic)
7016   {
7017     setup_editor_el_players             = FALSE;
7018     setup_editor_el_boulderdash         = FALSE;
7019     setup_editor_el_boulderdash_native  = FALSE;
7020     setup_editor_el_boulderdash_effects = FALSE;
7021     setup_editor_el_emerald_mine        = FALSE;
7022     setup_editor_el_emerald_mine_club   = FALSE;
7023     setup_editor_el_more                = FALSE;
7024     setup_editor_el_sokoban             = FALSE;
7025     setup_editor_el_supaplex            = FALSE;
7026     setup_editor_el_diamond_caves       = FALSE;
7027     setup_editor_el_dx_boulderdash      = FALSE;
7028     setup_editor_el_mirror_magic        = FALSE;
7029     setup_editor_el_deflektor           = FALSE;
7030     setup_editor_el_chars               = FALSE;
7031     setup_editor_el_steel_chars         = FALSE;
7032   }
7033
7034   if (!setup.editor.el_custom)
7035   {
7036     setup_editor_el_custom              = FALSE;
7037   }
7038
7039   if (!setup.editor.el_user_defined)
7040   {
7041     setup_editor_el_user_defined        = FALSE;
7042   }
7043
7044   if (!setup.editor.el_dynamic)
7045   {
7046     setup_editor_el_dynamic             = FALSE;
7047   }
7048
7049   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7050   {
7051     setup_editor_el_boulderdash_native  = FALSE;
7052     setup_editor_el_boulderdash_effects = FALSE;
7053     setup_editor_el_mirror_magic        = FALSE;
7054     setup_editor_el_deflektor           = FALSE;
7055   }
7056   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7057   {
7058     setup_editor_el_players             = FALSE;
7059     setup_editor_el_boulderdash         = FALSE;
7060     setup_editor_el_emerald_mine        = FALSE;
7061     setup_editor_el_emerald_mine_club   = FALSE;
7062     setup_editor_el_more                = FALSE;
7063     setup_editor_el_sokoban             = FALSE;
7064     setup_editor_el_supaplex            = FALSE;
7065     setup_editor_el_diamond_caves       = FALSE;
7066     setup_editor_el_dx_boulderdash      = FALSE;
7067     setup_editor_el_mirror_magic        = FALSE;
7068     setup_editor_el_deflektor           = FALSE;
7069     setup_editor_el_chars               = FALSE;
7070     setup_editor_el_steel_chars         = FALSE;
7071
7072     setup_editor_el_custom              = FALSE;
7073   }
7074   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7075   {
7076     setup_editor_el_boulderdash         = FALSE;
7077     setup_editor_el_boulderdash_native  = FALSE;
7078     setup_editor_el_boulderdash_effects = FALSE;
7079     setup_editor_el_more                = FALSE;
7080     setup_editor_el_sokoban             = FALSE;
7081     setup_editor_el_supaplex            = FALSE;
7082     setup_editor_el_diamond_caves       = FALSE;
7083     setup_editor_el_dx_boulderdash      = FALSE;
7084     setup_editor_el_mirror_magic        = FALSE;
7085     setup_editor_el_deflektor           = FALSE;
7086     setup_editor_el_steel_chars         = FALSE;
7087
7088     setup_editor_el_custom              = FALSE;
7089   }
7090   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7091   {
7092     setup_editor_el_players             = FALSE;
7093     setup_editor_el_boulderdash         = FALSE;
7094     setup_editor_el_boulderdash_native  = FALSE;
7095     setup_editor_el_boulderdash_effects = FALSE;
7096     setup_editor_el_emerald_mine        = FALSE;
7097     setup_editor_el_emerald_mine_club   = FALSE;
7098     setup_editor_el_more                = FALSE;
7099     setup_editor_el_sokoban             = FALSE;
7100     setup_editor_el_diamond_caves       = FALSE;
7101     setup_editor_el_dx_boulderdash      = FALSE;
7102     setup_editor_el_mirror_magic        = FALSE;
7103     setup_editor_el_deflektor           = FALSE;
7104     setup_editor_el_chars               = FALSE;
7105     setup_editor_el_steel_chars         = FALSE;
7106
7107     setup_editor_el_custom              = FALSE;
7108   }
7109   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7110   {
7111     setup_editor_el_players             = FALSE;
7112     setup_editor_el_boulderdash         = FALSE;
7113     setup_editor_el_boulderdash_native  = FALSE;
7114     setup_editor_el_boulderdash_effects = FALSE;
7115     setup_editor_el_emerald_mine        = FALSE;
7116     setup_editor_el_emerald_mine_club   = FALSE;
7117     setup_editor_el_more                = FALSE;
7118     setup_editor_el_sokoban             = FALSE;
7119     setup_editor_el_supaplex            = FALSE;
7120     setup_editor_el_diamond_caves       = FALSE;
7121     setup_editor_el_dx_boulderdash      = FALSE;
7122     setup_editor_el_steel_chars         = FALSE;
7123
7124     setup_editor_el_custom              = FALSE;
7125   }
7126 }
7127
7128 static void ReinitializeElementList(void)
7129 {
7130   static boolean initialization_needed = TRUE;
7131   int pos = 0;
7132   int i, j;
7133
7134   ReinitializeElementList_EnableSections();
7135
7136   if (initialization_needed)
7137   {
7138     LoadSetup_EditorCascade();          // load last editor cascade state
7139
7140     // initialize editor cascade element from saved cascade state
7141     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7142     {
7143       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7144       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7145
7146       if (IS_EDITOR_CASCADE(*cascade_element))
7147         *cascade_element =
7148           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7149            EL_CASCADE_INACTIVE(*cascade_element));
7150     }
7151
7152     initialization_needed = FALSE;
7153   }
7154
7155   checked_free(editor_elements);
7156
7157   // reload optional user defined element list for each invocation of editor
7158   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7159                                    &num_editor_el_user_defined);
7160
7161   // initialize dynamic level element list for each invocation of editor
7162   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7163                                &num_editor_el_dynamic);
7164
7165   // initialize list of empty elements (used for padding, if needed)
7166   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7167     editor_el_empty[i] = EL_EMPTY;
7168
7169   // do some sanity checks for each element from element list
7170   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7171   {
7172     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7173     {
7174       int element = (*editor_elements_info[i].element_list)[j];
7175
7176       if (element >= NUM_FILE_ELEMENTS)
7177         Warn("editor element %d is runtime element", element);
7178
7179       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7180         Warn("no element description text for element %d", element);
7181     }
7182   }
7183
7184   num_editor_elements = 0;
7185   use_el_empty = FALSE;
7186
7187   // determine size of element list
7188   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7189   {
7190     if (*editor_elements_info[i].setup_value)
7191     {
7192       boolean found_inactive_cascade = FALSE;
7193
7194       if (setup.editor.el_headlines)
7195       {
7196         // required for correct padding of palette headline buttons
7197         if (*editor_elements_info[i].headline_list_size > 0)
7198           num_editor_elements += ED_ELEMENTLIST_COLS;
7199
7200         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7201         {
7202           int element = (*editor_elements_info[i].headline_list)[j];
7203
7204           if (IS_EDITOR_CASCADE_INACTIVE(element))
7205             found_inactive_cascade = TRUE;
7206         }
7207       }
7208
7209       if (found_inactive_cascade)
7210         continue;
7211
7212       // required for correct padding of palette element buttons
7213       int element_list_size = *editor_elements_info[i].element_list_size;
7214       int element_rows =
7215         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7216       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7217
7218       num_editor_elements += element_buttons;
7219     }
7220   }
7221
7222   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7223   {
7224     // offer at least as many elements as element buttons exist
7225     use_el_empty = TRUE;
7226     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7227
7228     num_editor_elements += num_editor_el_empty;
7229   }
7230   else
7231   {
7232     num_editor_el_empty = 0;
7233   }
7234
7235   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7236
7237   // fill element list
7238   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7239   {
7240     boolean found_inactive_cascade = FALSE;
7241
7242     if (*editor_elements_info[i].setup_value)
7243     {
7244       if (setup.editor.el_headlines)
7245       {
7246         // required for correct padding of palette headline buttons
7247         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7248                              ED_ELEMENTLIST_COLS : 0);
7249
7250         for (j = 0; j < headline_size; j++)
7251         {
7252           // use empty elements for padding of palette headline buttons
7253           int element = (j < *editor_elements_info[i].headline_list_size ?
7254                          (*editor_elements_info[i].headline_list)[j] :
7255                          editor_el_empty[0]);
7256
7257           editor_elements[pos++] = element;
7258
7259           if (IS_EDITOR_CASCADE_INACTIVE(element))
7260             found_inactive_cascade = TRUE;
7261         }
7262       }
7263
7264       if (found_inactive_cascade)
7265         continue;
7266
7267       // required for correct padding of palette element buttons
7268       int element_list_size = *editor_elements_info[i].element_list_size;
7269       int element_rows =
7270         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7271       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7272
7273       // copy all elements from element list
7274       for (j = 0; j < element_list_size; j++)
7275         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7276
7277       // use empty elements for padding of palette element buttons
7278       for (j = 0; j < element_buttons - element_list_size; j++)
7279         editor_elements[pos++] = editor_el_empty[0];
7280     }
7281   }
7282
7283   // (this function is also called before editor gadgets are initialized!)
7284   AdjustElementListScrollbar();
7285 }
7286
7287 void PrintEditorElementList(void)
7288 {
7289   boolean *stop = &setup_editor_el_user_defined;
7290   int i, j;
7291
7292   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7293   {
7294     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7295
7296     if (IS_EDITOR_CASCADE(cascade_element))
7297     {
7298       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7299       char *headline = element_info[cascade_element_show].editor_description;
7300
7301       PrintLineWithPrefix("# ", "-", 77);
7302       Print("# %s\n", headline);
7303       PrintLineWithPrefix("# ", "-", 77);
7304     }
7305
7306     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7307     {
7308       int element = (*editor_elements_info[i].headline_list)[j];
7309
7310       if (IS_EDITOR_CASCADE(element))
7311         element = EL_CHAR_MINUS;
7312
7313       Print("# %s\n", element_info[element].token_name);
7314     }
7315
7316     if (j > 0)
7317       Print("#\n");
7318
7319     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7320     {
7321       int element = (*editor_elements_info[i].element_list)[j];
7322
7323       Print("# %s\n", element_info[element].token_name);
7324     }
7325
7326     if (j > 0)
7327       Print("#\n");
7328   }
7329 }
7330
7331 static void ReinitializeElementListButtons(void)
7332 {
7333   static boolean last_setup_value_headlines = FALSE;
7334   static boolean initialization_needed = TRUE;
7335   int i;
7336
7337   if (!initialization_needed)   // check if editor element setup has changed
7338   {
7339     if (last_setup_value_headlines != setup.editor.el_headlines)
7340       initialization_needed = TRUE;
7341
7342     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7343       if (editor_elements_info[i].last_setup_value !=
7344           *editor_elements_info[i].setup_value)
7345         initialization_needed = TRUE;
7346   }
7347
7348   if (!initialization_needed)
7349     return;
7350
7351   FreeLevelEditorGadgets();
7352   CreateLevelEditorGadgets();
7353
7354   // store current setup values for next invocation of this function
7355   last_setup_value_headlines = setup.editor.el_headlines;
7356   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7357     editor_elements_info[i].last_setup_value =
7358       *editor_elements_info[i].setup_value;
7359
7360   initialization_needed = FALSE;
7361 }
7362
7363 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7364                               boolean input)
7365 {
7366   int border_graphic =
7367     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7368   struct GraphicInfo *g = &graphic_info[border_graphic];
7369   Bitmap *src_bitmap = g->bitmap;
7370   int src_x = g->src_x;
7371   int src_y = g->src_y;
7372   int border_size = g->border_size;
7373   int border_xpos = g->width  - border_size;
7374   int border_ypos = g->height - border_size;
7375   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7376   int i;
7377
7378   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7379              border_size, border_size,
7380              dest_x - border_size, dest_y - border_size);
7381   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7382              border_size, border_size,
7383              dest_x + width, dest_y - border_size);
7384   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7385              border_size, border_size,
7386              dest_x - border_size, dest_y + height);
7387   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7388              border_size, border_size,
7389              dest_x + width, dest_y + height);
7390
7391   for (i = 0; i < width / tilesize; i++)
7392   {
7393     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7394                tilesize, border_size,
7395                dest_x + i * tilesize, dest_y - border_size);
7396     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7397                tilesize, border_size,
7398                dest_x + i * tilesize, dest_y + height);
7399   }
7400
7401   for (i = 0; i < height / tilesize; i++)
7402   {
7403     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7404                border_size, tilesize,
7405                dest_x - border_size, dest_y + i * tilesize);
7406     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7407                border_size, tilesize,
7408                dest_x + width, dest_y + i * tilesize);
7409   }
7410
7411   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7412 }
7413
7414 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7415 {
7416   int xsize_tile = MAX(ed_tilesize, xsize);
7417   int ysize_tile = MAX(ed_tilesize, ysize);
7418   int xsize_full = xsize + 1;
7419   int ysize_full = ysize + 1;
7420   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7421   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7422   Pixel line_color = getTabulatorBarColor();
7423
7424   if (line_color == BLACK_PIXEL)                // black => transparent
7425     return;
7426
7427   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7428   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7429   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7430 }
7431
7432 static void DrawEditorLevelBorderLinesIfNeeded(void)
7433 {
7434   int xsize = lev_fieldx * ed_tilesize;
7435   int ysize = lev_fieldy * ed_tilesize;
7436   int line_size = getTabulatorBarHeight();
7437
7438   if (!suppressBorderElement())
7439     return;
7440
7441   // draw little border line around editable level playfield
7442
7443   if (xsize < SXSIZE)
7444     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7445
7446   if (ysize < SYSIZE)
7447     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7448
7449   if (xsize < SXSIZE && ysize < SYSIZE)
7450     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7451 }
7452
7453 static void DrawEditorElement(int x, int y, int element)
7454 {
7455   DrawSizedElement(x, y, element, ed_tilesize);
7456 }
7457
7458 static void DrawEditorElementThruMask(int x, int y, int element)
7459 {
7460   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7461 }
7462
7463 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7464 {
7465   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7466 }
7467
7468 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7469 {
7470   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7471   DrawEditorLevelBorderLinesIfNeeded();
7472 }
7473
7474 static void DrawDrawingArea(int id)
7475 {
7476   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7477   int x, y;
7478
7479   int *value = drawingarea_info[id].value;
7480   int area_xsize = drawingarea_info[id].area_xsize;
7481   int area_ysize = drawingarea_info[id].area_ysize;
7482   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7483
7484   for (x = 0; x < area_xsize; x++)
7485   {
7486     for (y = 0; y < area_ysize; y++)
7487     {
7488       int element = value[x * area_ysize + y];
7489       int graphic;
7490       int frame;
7491
7492       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7493
7494       DrawSizedGraphicExt(drawto,
7495                           gi->x + x * tilesize,
7496                           gi->y + y * tilesize,
7497                           graphic, frame, tilesize);
7498     }
7499   }
7500 }
7501
7502 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7503 {
7504   int x, y;
7505   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7506   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7507
7508   BlitBitmap(drawto, drawto,
7509              SX + (dx == -1 ? ed_tilesize : 0),
7510              SY + (dy == -1 ? ed_tilesize : 0),
7511              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7512              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7513              SX + (dx == +1 ? ed_tilesize : 0),
7514              SY + (dy == +1 ? ed_tilesize : 0));
7515
7516   if (dx)
7517   {
7518     x = (dx == 1 ? 0 : ed_fieldx - 1);
7519     for (y = 0; y < ed_fieldy; y++)
7520       DrawEditorElementOrWall(x, y, from_x, from_y);
7521   }
7522   else if (dy)
7523   {
7524     y = (dy == 1 ? 0 : ed_fieldy - 1);
7525     for (x = 0; x < ed_fieldx; x++)
7526       DrawEditorElementOrWall(x, y, from_x, from_y);
7527   }
7528
7529   redraw_mask |= REDRAW_FIELD;
7530   BackToFront();
7531 }
7532
7533 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7534 {
7535   if (use_editor_gfx)
7536   {
7537     *graphic = el2edimg(element);
7538     *frame = 0;
7539   }
7540   else
7541   {
7542     *graphic = el2img(element);
7543     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7544               custom_element.ce_value_fixed_initial :
7545               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7546               custom_element.collect_score_initial : FrameCounter);
7547   }
7548
7549   if (*graphic == IMG_UNKNOWN)
7550   {
7551     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7552     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7553     int element_bd = map_element_RND_to_BD_cave(element);
7554
7555     if (element_bd != O_UNKNOWN)
7556     {
7557       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7558
7559       *graphic = g_bd->graphic;
7560       *frame   = g_bd->frame;
7561     }
7562   }
7563 }
7564
7565 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7566                                    int *x, int *y)
7567 {
7568   int graphic;
7569   int frame;
7570
7571   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7572
7573   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7574 }
7575
7576 static void CreateControlButtons(void)
7577 {
7578   struct GadgetInfo *gi;
7579   int i;
7580
7581   // create toolbox buttons
7582   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7583   {
7584     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7585     int id = controlbutton_info[i].gadget_id;
7586     int type = controlbutton_info[i].gadget_type;
7587     int graphic = controlbutton_info[i].graphic;
7588     struct XYTileSize *pos = controlbutton_info[i].pos;
7589     struct GraphicInfo *gd = &graphic_info[graphic];
7590     Bitmap *deco_bitmap = NULL;
7591     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7592     int tile_size = 0, deco_shift = 0;
7593     boolean deco_masked = FALSE;
7594     int gd_x1 = gd->src_x;
7595     int gd_y1 = gd->src_y;
7596     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7597     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7598     int gd_x1a = gd->src_x + gd->active_xoffset;
7599     int gd_y1a = gd->src_y + gd->active_yoffset;
7600     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7601     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7602     int x = pos->x;
7603     int y = pos->y;
7604     unsigned int event_mask;
7605     int radio_button_nr = RADIO_NR_NONE;
7606     boolean checked = FALSE;
7607
7608     if (type_id != i)
7609       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7610
7611     if (type == GD_TYPE_RADIO_BUTTON)
7612     {
7613       event_mask = GD_EVENT_PRESSED;
7614       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7615
7616       if (id == drawing_function)
7617         checked = TRUE;
7618     }
7619     else
7620     {
7621       if (id == GADGET_ID_WRAP_LEFT ||
7622           id == GADGET_ID_WRAP_RIGHT ||
7623           id == GADGET_ID_WRAP_UP ||
7624           id == GADGET_ID_WRAP_DOWN)
7625         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7626       else
7627         event_mask = GD_EVENT_RELEASED;
7628     }
7629
7630     if (id == GADGET_ID_PROPERTIES ||
7631         id == GADGET_ID_PALETTE)
7632     {
7633       x += DX;
7634       y += DY;
7635     }
7636     else if (id == GADGET_ID_ELEMENT_LEFT ||
7637              id == GADGET_ID_ELEMENT_MIDDLE ||
7638              id == GADGET_ID_ELEMENT_RIGHT)
7639     {
7640       x += DX;
7641       y += DY;
7642
7643       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7644                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7645                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7646
7647       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7648                                    editor.button.element_left.tile_size :
7649                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7650                                    editor.button.element_middle.tile_size :
7651                                    id == GADGET_ID_ELEMENT_RIGHT ?
7652                                    editor.button.element_right.tile_size : 0);
7653
7654       // make sure that decoration does not overlap gadget border
7655       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7656
7657       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7658
7659       deco_xpos = (gd->width  - tile_size) / 2;
7660       deco_ypos = (gd->height - tile_size) / 2;
7661       deco_shift = 1;
7662       deco_masked = gd->draw_masked;
7663     }
7664     else
7665     {
7666       x += EX;
7667       y += EY;
7668     }
7669
7670     gi = CreateGadget(GDI_CUSTOM_ID, id,
7671                       GDI_CUSTOM_TYPE_ID, type_id,
7672                       GDI_IMAGE_ID, graphic,
7673                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7674                       GDI_X, x,
7675                       GDI_Y, y,
7676                       GDI_WIDTH, gd->width,
7677                       GDI_HEIGHT, gd->height,
7678                       GDI_TYPE, type,
7679                       GDI_STATE, GD_BUTTON_UNPRESSED,
7680                       GDI_RADIO_NR, radio_button_nr,
7681                       GDI_CHECKED, checked,
7682                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7683                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7684                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7685                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7686                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7687                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7688                       GDI_DECORATION_SIZE, tile_size, tile_size,
7689                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7690                       GDI_DECORATION_MASKED, deco_masked,
7691                       GDI_EVENT_MASK, event_mask,
7692                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7693                       GDI_CALLBACK_ACTION, HandleControlButtons,
7694                       GDI_END);
7695
7696     if (gi == NULL)
7697       Fail("cannot create gadget");
7698
7699     level_editor_gadget[id] = gi;
7700   }
7701
7702   // these values are not constant, but can change at runtime
7703   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7704   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7705   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7706   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7707   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7708   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7709   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7710   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7711   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7712   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7713   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7714   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7715
7716   // create buttons for scrolling of drawing area and element list
7717   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7718   {
7719     int id = scrollbutton_info[i].gadget_id;
7720     int type_id = scrollbutton_info[i].gadget_type_id;
7721     int graphic = scrollbutton_info[i].graphic;
7722     struct GraphicInfo *gd = &graphic_info[graphic];
7723     Bitmap *gd_bitmap = gd->bitmap;
7724     int gd_x1 = gd->src_x;
7725     int gd_y1 = gd->src_y;
7726     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7727     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7728     int width  = gd->width;
7729     int height = gd->height;
7730     int x = scrollbutton_pos[i].x;
7731     int y = scrollbutton_pos[i].y;
7732     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7733
7734     if (type_id != i)
7735       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7736
7737     if (id == GADGET_ID_SCROLL_LIST_UP ||
7738         id == GADGET_ID_SCROLL_LIST_DOWN)
7739     {
7740       x += PX;
7741       y += PY;
7742     }
7743     else
7744     {
7745       x += SX;
7746       y += SY;
7747     }
7748
7749     gi = CreateGadget(GDI_CUSTOM_ID, id,
7750                       GDI_CUSTOM_TYPE_ID, type_id,
7751                       GDI_IMAGE_ID, graphic,
7752                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7753                       GDI_X, x,
7754                       GDI_Y, y,
7755                       GDI_WIDTH, width,
7756                       GDI_HEIGHT, height,
7757                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7758                       GDI_STATE, GD_BUTTON_UNPRESSED,
7759                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7760                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7761                       GDI_EVENT_MASK, event_mask,
7762                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7763                       GDI_CALLBACK_ACTION, HandleControlButtons,
7764                       GDI_END);
7765
7766     if (gi == NULL)
7767       Fail("cannot create gadget");
7768
7769     level_editor_gadget[id] = gi;
7770   }
7771
7772   // create buttons for element list
7773   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7774   {
7775     int type_id = i;
7776     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7777     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7778     struct GraphicInfo *gd = &graphic_info[graphic];
7779     Bitmap *gd_bitmap = gd->bitmap;
7780     Bitmap *deco_bitmap;
7781     int deco_x, deco_y, deco_xpos, deco_ypos;
7782     int gd_x1 = gd->src_x;
7783     int gd_y1 = gd->src_y;
7784     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7785     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7786     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7787     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7788     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7789     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7790     int element = editor_elements[i];
7791     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7792     unsigned int event_mask = GD_EVENT_RELEASED;
7793
7794     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7795
7796     deco_xpos = (gd->width  - tile_size) / 2;
7797     deco_ypos = (gd->height - tile_size) / 2;
7798
7799     gi = CreateGadget(GDI_CUSTOM_ID, id,
7800                       GDI_CUSTOM_TYPE_ID, type_id,
7801                       GDI_IMAGE_ID, graphic,
7802                       GDI_INFO_TEXT, getElementInfoText(element),
7803                       GDI_X, x,
7804                       GDI_Y, y,
7805                       GDI_WIDTH, gd->width,
7806                       GDI_HEIGHT, gd->height,
7807                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7808                       GDI_STATE, GD_BUTTON_UNPRESSED,
7809                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7810                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7811                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7812                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7813                       GDI_DECORATION_SIZE, tile_size, tile_size,
7814                       GDI_DECORATION_SHIFTING, 1, 1,
7815                       GDI_EVENT_MASK, event_mask,
7816                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7817                       GDI_CALLBACK_ACTION, HandleControlButtons,
7818                       GDI_END);
7819
7820     if (gi == NULL)
7821       Fail("cannot create gadget");
7822
7823     level_editor_gadget[id] = gi;
7824   }
7825 }
7826
7827 static void CreateCounterButtons(void)
7828 {
7829   int max_infotext_len = getMaxInfoTextLength();
7830   int i;
7831
7832   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7833   {
7834     int type_id = counterbutton_info[i].gadget_type_id;
7835     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7836     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7837     int j;
7838
7839     if (type_id != i)
7840       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7841
7842     // determine horizontal position to the right of specified gadget
7843     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7844       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7845            ED_GADGET_TEXT_DISTANCE);
7846
7847     // determine horizontal offset for leading text
7848     if (counterbutton_info[i].text_left != NULL)
7849       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7850
7851     for (j = 0; j < 2; j++)
7852     {
7853       struct GadgetInfo *gi;
7854       int id = (j == 0 ?
7855                 counterbutton_info[i].gadget_id_down :
7856                 counterbutton_info[i].gadget_id_up);
7857       int graphic;
7858       struct GraphicInfo *gd;
7859       int gd_x1, gd_x2, gd_y1, gd_y2;
7860       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7861       char infotext[max_infotext_len + 1];
7862
7863       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7864       {
7865         graphic = (j == 0 ?
7866                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7867                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7868
7869         event_mask |= GD_EVENT_RELEASED;
7870
7871         if (j == 0)
7872         {
7873           x = DX + editor.button.prev_level.x;
7874           y = DY + editor.button.prev_level.y;
7875         }
7876         else
7877         {
7878           x = DX + editor.button.next_level.x;
7879           y = DY + editor.button.next_level.y;
7880         }
7881       }
7882       else
7883       {
7884         graphic = (j == 0 ?
7885                    IMG_EDITOR_COUNTER_DOWN :
7886                    IMG_EDITOR_COUNTER_UP);
7887       }
7888
7889       gd = &graphic_info[graphic];
7890
7891       gd_x1 = gd->src_x;
7892       gd_y1 = gd->src_y;
7893       gd_x2 = gd->src_x + gd->pressed_xoffset;
7894       gd_y2 = gd->src_y + gd->pressed_yoffset;
7895
7896       sprintf(infotext, "%s counter value by 1, 5 or 10",
7897               (j == 0 ? "Decrease" : "Increase"));
7898
7899       gi = CreateGadget(GDI_CUSTOM_ID, id,
7900                         GDI_CUSTOM_TYPE_ID, type_id,
7901                         GDI_IMAGE_ID, graphic,
7902                         GDI_INFO_TEXT, infotext,
7903                         GDI_X, x,
7904                         GDI_Y, y,
7905                         GDI_WIDTH, gd->width,
7906                         GDI_HEIGHT, gd->height,
7907                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7908                         GDI_STATE, GD_BUTTON_UNPRESSED,
7909                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7910                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7911                         GDI_EVENT_MASK, event_mask,
7912                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7913                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7914                         GDI_END);
7915
7916       if (gi == NULL)
7917         Fail("cannot create gadget");
7918
7919       level_editor_gadget[id] = gi;
7920       right_gadget_border[id] =
7921         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7922
7923       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7924
7925       if (j == 0)
7926       {
7927         int font_type = FONT_INPUT_1;
7928         int font_type_active = FONT_INPUT_1_ACTIVE;
7929
7930         id = counterbutton_info[i].gadget_id_text;
7931
7932         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7933
7934         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7935         {
7936           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7937
7938           font_type = FONT_LEVEL_NUMBER;
7939           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7940
7941           x = DX + editor.input.level_number.x;
7942           y = DY + editor.input.level_number.y;
7943         }
7944         else
7945         {
7946           graphic = IMG_EDITOR_COUNTER_INPUT;
7947         }
7948
7949         gd = &graphic_info[graphic];
7950
7951         gd_x1 = gd->src_x;
7952         gd_y1 = gd->src_y;
7953         gd_x2 = gd->src_x + gd->active_xoffset;
7954         gd_y2 = gd->src_y + gd->active_yoffset;
7955
7956         gi = CreateGadget(GDI_CUSTOM_ID, id,
7957                           GDI_CUSTOM_TYPE_ID, type_id,
7958                           GDI_IMAGE_ID, graphic,
7959                           GDI_INFO_TEXT, "Enter counter value",
7960                           GDI_X, x,
7961                           GDI_Y, y,
7962                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7963                           GDI_NUMBER_VALUE, 0,
7964                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7965                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7966                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7967                           GDI_TEXT_FONT, font_type,
7968                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7969                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7970                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7971                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7972                           GDI_DESIGN_WIDTH, gd->width,
7973                           GDI_EVENT_MASK, event_mask,
7974                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7975                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7976                           GDI_END);
7977
7978         if (gi == NULL)
7979           Fail("cannot create gadget");
7980
7981         level_editor_gadget[id] = gi;
7982         right_gadget_border[id] =
7983           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7984
7985         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7986       }
7987     }
7988   }
7989 }
7990
7991 static void CreateDrawingAreas(void)
7992 {
7993   int i;
7994
7995   // these values are not constant, but can change at runtime
7996   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7997   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7998
7999   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8000   {
8001     struct GadgetInfo *gi;
8002     int id = drawingarea_info[i].gadget_id;
8003     int type_id = drawingarea_info[i].gadget_type_id;
8004     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8005     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8006     int area_xsize = drawingarea_info[i].area_xsize;
8007     int area_ysize = drawingarea_info[i].area_ysize;
8008     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8009                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8010     unsigned int event_mask =
8011       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8012       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8013
8014     if (type_id != i)
8015       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8016
8017     // determine horizontal position to the right of specified gadget
8018     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8019       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8020            ED_DRAWINGAREA_TEXT_DISTANCE);
8021
8022     // determine horizontal offset for leading text
8023     if (drawingarea_info[i].text_left != NULL)
8024       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8025
8026     gi = CreateGadget(GDI_CUSTOM_ID, id,
8027                       GDI_CUSTOM_TYPE_ID, type_id,
8028                       GDI_X, x,
8029                       GDI_Y, y,
8030                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8031                       GDI_AREA_SIZE, area_xsize, area_ysize,
8032                       GDI_ITEM_SIZE, item_size, item_size,
8033                       GDI_EVENT_MASK, event_mask,
8034                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8035                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8036                       GDI_END);
8037
8038     if (gi == NULL)
8039       Fail("cannot create gadget");
8040
8041     level_editor_gadget[id] = gi;
8042     right_gadget_border[id] =
8043       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8044   }
8045 }
8046
8047 static void CreateTextInputGadgets(void)
8048 {
8049   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8050   int max_infotext_len = getMaxInfoTextLength();
8051   int i;
8052
8053   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8054   {
8055     int gd_x1 = gd->src_x;
8056     int gd_y1 = gd->src_y;
8057     int gd_x2 = gd->src_x + gd->active_xoffset;
8058     int gd_y2 = gd->src_y + gd->active_yoffset;
8059     struct GadgetInfo *gi;
8060     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8061     char infotext[MAX_OUTPUT_LINESIZE + 1];
8062     int id = textinput_info[i].gadget_id;
8063     int type_id = textinput_info[i].gadget_type_id;
8064     int x, y;
8065
8066     if (type_id != i)
8067       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8068
8069     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8070     {
8071       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8072       int border_size = gd->border_size;
8073       int font_nr = FONT_INPUT_1;
8074       int font_height = getFontHeight(font_nr);
8075       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8076       int yoffset = element_border + (TILEY - font_height) / 2;
8077
8078       x = (editor.settings.element_name.x != -1 ?
8079            editor.settings.element_name.x :
8080            editor.settings.element_graphic.x + xoffset) - border_size;
8081       y = (editor.settings.element_name.y != -1 ?
8082            editor.settings.element_name.y :
8083            editor.settings.element_graphic.y + yoffset) - border_size;
8084     }
8085     else
8086     {
8087       x = ED_SETTINGS_X(textinput_info[i].x);
8088       y = ED_SETTINGS_Y(textinput_info[i].y);
8089     }
8090
8091     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8092     infotext[max_infotext_len] = '\0';
8093
8094     gi = CreateGadget(GDI_CUSTOM_ID, id,
8095                       GDI_CUSTOM_TYPE_ID, type_id,
8096                       GDI_INFO_TEXT, infotext,
8097                       GDI_X, SX + x,
8098                       GDI_Y, SY + y,
8099                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8100                       GDI_TEXT_VALUE, textinput_info[i].value,
8101                       GDI_TEXT_SIZE, textinput_info[i].size,
8102                       GDI_TEXT_FONT, FONT_INPUT_1,
8103                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8104                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8105                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8106                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8107                       GDI_DESIGN_WIDTH, gd->width,
8108                       GDI_EVENT_MASK, event_mask,
8109                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8110                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8111                       GDI_END);
8112
8113     if (gi == NULL)
8114       Fail("cannot create gadget");
8115
8116     level_editor_gadget[id] = gi;
8117   }
8118 }
8119
8120 static void CreateTextAreaGadgets(void)
8121 {
8122   int max_infotext_len = getMaxInfoTextLength();
8123   int i;
8124
8125   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8126   {
8127     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8128     int gd_x1 = gd->src_x;
8129     int gd_y1 = gd->src_y;
8130     int gd_x2 = gd->src_x + gd->active_xoffset;
8131     int gd_y2 = gd->src_y + gd->active_yoffset;
8132     struct GadgetInfo *gi;
8133     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8134     char infotext[MAX_OUTPUT_LINESIZE + 1];
8135     int id = textarea_info[i].gadget_id;
8136     int type_id = textarea_info[i].gadget_type_id;
8137     int area_xsize = textarea_info[i].xsize;
8138     int area_ysize = textarea_info[i].ysize;
8139
8140     if (type_id != i)
8141       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8142
8143     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8144     infotext[max_infotext_len] = '\0';
8145
8146     gi = CreateGadget(GDI_CUSTOM_ID, id,
8147                       GDI_CUSTOM_TYPE_ID, type_id,
8148                       GDI_INFO_TEXT, infotext,
8149                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8150                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8151                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8152                       GDI_AREA_SIZE, area_xsize, area_ysize,
8153                       GDI_TEXT_FONT, FONT_INPUT_1,
8154                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8155                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8156                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8157                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8158                       GDI_DESIGN_WIDTH, gd->width,
8159                       GDI_EVENT_MASK, event_mask,
8160                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8161                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8162                       GDI_END);
8163
8164     if (gi == NULL)
8165       Fail("cannot create gadget");
8166
8167     level_editor_gadget[id] = gi;
8168   }
8169 }
8170
8171 static void CreateSelectboxGadgets(void)
8172 {
8173   int max_infotext_len = getMaxInfoTextLength();
8174
8175   int i, j;
8176
8177   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8178   {
8179     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8180     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8181     int gd_x1 = gd->src_x;
8182     int gd_y1 = gd->src_y;
8183     int gd_x2 = gd->src_x + gd->active_xoffset;
8184     int gd_y2 = gd->src_y + gd->active_yoffset;
8185     int selectbox_button_xsize = gd2->width;
8186     struct GadgetInfo *gi;
8187     char infotext[MAX_OUTPUT_LINESIZE + 1];
8188     int id = selectbox_info[i].gadget_id;
8189     int type_id = selectbox_info[i].gadget_type_id;
8190     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8191     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8192     unsigned int event_mask =
8193       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8194
8195     if (type_id != i)
8196       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8197
8198     if (selectbox_info[i].size == -1)   // dynamically determine size
8199     {
8200       // (we cannot use -1 for uninitialized values if we directly compare
8201       // with results from strlen(), because the '<' and '>' operation will
8202       // implicitely cast -1 to an unsigned integer value!)
8203       selectbox_info[i].size = 0;
8204
8205       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8206         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8207           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8208
8209       selectbox_info[i].size++;         // add one character empty space
8210     }
8211
8212     // determine horizontal position to the right of specified gadget
8213     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8214       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8215            ED_GADGET_TEXT_DISTANCE);
8216
8217     // determine horizontal offset for leading text
8218     if (selectbox_info[i].text_left != NULL)
8219       x += getTextWidthForGadget(selectbox_info[i].text_left);
8220
8221     sprintf(infotext, "%s", selectbox_info[i].infotext);
8222     infotext[max_infotext_len] = '\0';
8223
8224     gi = CreateGadget(GDI_CUSTOM_ID, id,
8225                       GDI_CUSTOM_TYPE_ID, type_id,
8226                       GDI_INFO_TEXT, infotext,
8227                       GDI_X, x,
8228                       GDI_Y, y,
8229                       GDI_TYPE, GD_TYPE_SELECTBOX,
8230                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8231                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8232                       GDI_TEXT_SIZE, selectbox_info[i].size,
8233                       GDI_TEXT_FONT, FONT_INPUT_1,
8234                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8235                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8236                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8237                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8238                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8239                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8240                       GDI_DESIGN_WIDTH, gd->width,
8241                       GDI_EVENT_MASK, event_mask,
8242                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8243                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8244                       GDI_END);
8245
8246     if (gi == NULL)
8247       Fail("cannot create gadget");
8248
8249     level_editor_gadget[id] = gi;
8250     right_gadget_border[id] =
8251       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8252   }
8253 }
8254
8255 static void CreateTextbuttonGadgets(void)
8256 {
8257   int max_infotext_len = getMaxInfoTextLength();
8258   int i;
8259
8260   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8261   {
8262     int id = textbutton_info[i].gadget_id;
8263     int type_id = textbutton_info[i].gadget_type_id;
8264     int is_tab_button =
8265       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8266        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8267     int graphic =
8268       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8269     int gadget_distance =
8270       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8271     struct GraphicInfo *gd = &graphic_info[graphic];
8272     int gd_x1 = gd->src_x;
8273     int gd_y1 = gd->src_y;
8274     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8275     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8276     int gd_x1a = gd->src_x + gd->active_xoffset;
8277     int gd_y1a = gd->src_y + gd->active_yoffset;
8278     int border_xsize = gd->border_size + gd->draw_xoffset;
8279     int border_ysize = gd->border_size;
8280     struct GadgetInfo *gi;
8281     unsigned int event_mask = GD_EVENT_RELEASED;
8282     char infotext[MAX_OUTPUT_LINESIZE + 1];
8283     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8284     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8285
8286     if (type_id != i)
8287       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8288
8289     if (textbutton_info[i].size == -1)  // dynamically determine size
8290       textbutton_info[i].size = strlen(textbutton_info[i].text);
8291
8292     sprintf(infotext, "%s", textbutton_info[i].infotext);
8293     infotext[max_infotext_len] = '\0';
8294
8295     // determine horizontal position to the right of specified gadget
8296     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8297     {
8298       int gadget_id_align = textbutton_info[i].gadget_id_align;
8299
8300       x = right_gadget_border[gadget_id_align] + gadget_distance;
8301
8302       if (textbutton_info[i].y == -1)
8303         y = level_editor_gadget[gadget_id_align]->y;
8304     }
8305
8306     // determine horizontal offset for leading text
8307     if (textbutton_info[i].text_left != NULL)
8308       x += getTextWidthForGadget(textbutton_info[i].text_left);
8309
8310     gi = CreateGadget(GDI_CUSTOM_ID, id,
8311                       GDI_CUSTOM_TYPE_ID, type_id,
8312                       GDI_IMAGE_ID, graphic,
8313                       GDI_INFO_TEXT, infotext,
8314                       GDI_X, x,
8315                       GDI_Y, y,
8316                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8317                       GDI_TEXT_VALUE, textbutton_info[i].text,
8318                       GDI_TEXT_SIZE, textbutton_info[i].size,
8319                       GDI_TEXT_FONT, FONT_INPUT_2,
8320                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8321                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8322                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8323                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8324                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8325                       GDI_DESIGN_WIDTH, gd->width,
8326                       GDI_DECORATION_SHIFTING, 1, 1,
8327                       GDI_EVENT_MASK, event_mask,
8328                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8329                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8330                       GDI_END);
8331
8332     if (gi == NULL)
8333       Fail("cannot create gadget");
8334
8335     level_editor_gadget[id] = gi;
8336     right_gadget_border[id] =
8337       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8338   }
8339 }
8340
8341 static void CreateGraphicbuttonGadgets(void)
8342 {
8343   struct GadgetInfo *gi;
8344   int i;
8345
8346   // create buttons for scrolling of drawing area and element list
8347   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8348   {
8349     int id = graphicbutton_info[i].gadget_id;
8350     int type_id = graphicbutton_info[i].gadget_type_id;
8351     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8352     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8353     int graphic = graphicbutton_info[i].graphic;
8354     struct GraphicInfo *gd = &graphic_info[graphic];
8355     int gd_x1 = gd->src_x;
8356     int gd_y1 = gd->src_y;
8357     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8358     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8359     unsigned int event_mask = GD_EVENT_RELEASED;
8360
8361     if (type_id != i)
8362       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8363
8364     // determine horizontal position to the right of specified gadget
8365     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8366       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8367            ED_GADGET_TEXT_DISTANCE);
8368
8369     // determine horizontal offset for leading text
8370     if (graphicbutton_info[i].text_left != NULL)
8371       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8372
8373     gi = CreateGadget(GDI_CUSTOM_ID, id,
8374                       GDI_CUSTOM_TYPE_ID, type_id,
8375                       GDI_IMAGE_ID, graphic,
8376                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8377                       GDI_X, x,
8378                       GDI_Y, y,
8379                       GDI_WIDTH, gd->width,
8380                       GDI_HEIGHT, gd->height,
8381                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8382                       GDI_STATE, GD_BUTTON_UNPRESSED,
8383                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8384                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8385                       GDI_EVENT_MASK, event_mask,
8386                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8387                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8388                       GDI_END);
8389
8390     if (gi == NULL)
8391       Fail("cannot create gadget");
8392
8393     level_editor_gadget[id] = gi;
8394     right_gadget_border[id] =
8395       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8396   }
8397 }
8398
8399 static void CreateScrollbarGadgets(void)
8400 {
8401   int i;
8402
8403   // these values are not constant, but can change at runtime
8404   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8405     SX + ED_SCROLL_HORIZONTAL_XPOS;
8406   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8407     SY + ED_SCROLL_HORIZONTAL_YPOS;
8408   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8409     ED_SCROLL_HORIZONTAL_XSIZE;
8410   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8411     ED_SCROLL_HORIZONTAL_YSIZE;
8412   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8413   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8414   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8415   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8416
8417   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8418     SX + ED_SCROLL_VERTICAL_XPOS;
8419   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8420     SY + ED_SCROLL_VERTICAL_YPOS;
8421   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8422     ED_SCROLL_VERTICAL_XSIZE;
8423   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8424     ED_SCROLL_VERTICAL_YSIZE;
8425   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8426   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8427   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8428   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8429
8430   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8431     PX + ED_SCROLL2_VERTICAL_XPOS;
8432   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8433     PY + ED_SCROLL2_VERTICAL_YPOS;
8434   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8435     ED_SCROLL2_VERTICAL_XSIZE;
8436   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8437     ED_SCROLL2_VERTICAL_YSIZE;
8438   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8439   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8440   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8441   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8442
8443   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8444   {
8445     int id = scrollbar_info[i].gadget_id;
8446     int type_id = scrollbar_info[i].gadget_type_id;
8447     int graphic = scrollbar_info[i].graphic;
8448     struct GraphicInfo *gd = &graphic_info[graphic];
8449     int gd_x1 = gd->src_x;
8450     int gd_y1 = gd->src_y;
8451     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8452     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8453     struct GadgetInfo *gi;
8454     int items_max, items_visible, item_position;
8455     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8456
8457     if (type_id != i)
8458       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8459
8460     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8461     {
8462       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8463       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8464       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8465     }
8466     else        // drawing area scrollbars
8467     {
8468       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8469       {
8470         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8471         items_visible = ed_fieldx;
8472         item_position = 0;
8473       }
8474       else
8475       {
8476         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8477         items_visible = ed_fieldy;
8478         item_position = 0;
8479       }
8480     }
8481
8482     gi = CreateGadget(GDI_CUSTOM_ID, id,
8483                       GDI_CUSTOM_TYPE_ID, type_id,
8484                       GDI_IMAGE_ID, graphic,
8485                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8486                       GDI_X, scrollbar_pos[i].x,
8487                       GDI_Y, scrollbar_pos[i].y,
8488                       GDI_WIDTH, scrollbar_pos[i].width,
8489                       GDI_HEIGHT, scrollbar_pos[i].height,
8490                       GDI_TYPE, scrollbar_info[i].type,
8491                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8492                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8493                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8494                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8495                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8496                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8497                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8498                       GDI_STATE, GD_BUTTON_UNPRESSED,
8499                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8500                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8501                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8502                       GDI_EVENT_MASK, event_mask,
8503                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8504                       GDI_CALLBACK_ACTION, HandleControlButtons,
8505                       GDI_END);
8506
8507     if (gi == NULL)
8508       Fail("cannot create gadget");
8509
8510     level_editor_gadget[id] = gi;
8511   }
8512 }
8513
8514 static void CreateCheckbuttonGadgets(void)
8515 {
8516   struct GadgetInfo *gi;
8517   int i;
8518
8519   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8520   {
8521     int id = checkbutton_info[i].gadget_id;
8522     int type_id = checkbutton_info[i].gadget_type_id;
8523     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8524                    IMG_EDITOR_CHECKBOX);
8525     struct GraphicInfo *gd = &graphic_info[graphic];
8526     int gd_x1 = gd->src_x;
8527     int gd_y1 = gd->src_y;
8528     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8529     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8530     int gd_x1a = gd->src_x + gd->active_xoffset;
8531     int gd_y1a = gd->src_y + gd->active_yoffset;
8532     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8533     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8534     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8535     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8536     unsigned int event_mask = GD_EVENT_PRESSED;
8537
8538     if (type_id != i)
8539       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8540
8541     // determine horizontal position to the right of specified gadget
8542     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8543       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8544            ED_GADGET_TEXT_DISTANCE);
8545
8546     // determine horizontal offset for leading text
8547     if (checkbutton_info[i].text_left != NULL)
8548       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8549
8550     gi = CreateGadget(GDI_CUSTOM_ID, id,
8551                       GDI_CUSTOM_TYPE_ID, type_id,
8552                       GDI_IMAGE_ID, graphic,
8553                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8554                       GDI_X, x,
8555                       GDI_Y, y,
8556                       GDI_WIDTH, gd->width,
8557                       GDI_HEIGHT, gd->height,
8558                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8559                       GDI_CHECKED, *checkbutton_info[i].value,
8560                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8561                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8562                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8563                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8564                       GDI_EVENT_MASK, event_mask,
8565                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8566                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8567                       GDI_END);
8568
8569     if (gi == NULL)
8570       Fail("cannot create gadget");
8571
8572     level_editor_gadget[id] = gi;
8573     right_gadget_border[id] =
8574       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8575   }
8576 }
8577
8578 static void CreateRadiobuttonGadgets(void)
8579 {
8580   int graphic = IMG_EDITOR_RADIOBUTTON;
8581   struct GraphicInfo *gd = &graphic_info[graphic];
8582   int gd_x1 = gd->src_x;
8583   int gd_y1 = gd->src_y;
8584   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8585   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8586   int gd_x1a = gd->src_x + gd->active_xoffset;
8587   int gd_y1a = gd->src_y + gd->active_yoffset;
8588   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8589   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8590   struct GadgetInfo *gi;
8591   int i;
8592
8593   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8594   {
8595     int id = radiobutton_info[i].gadget_id;
8596     int type_id = radiobutton_info[i].gadget_type_id;
8597     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8598     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8599     unsigned int event_mask = GD_EVENT_PRESSED;
8600
8601     if (type_id != i)
8602       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8603
8604     int checked =
8605       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8606
8607     // determine horizontal position to the right of specified gadget
8608     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8609       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8610            ED_GADGET_TEXT_DISTANCE);
8611
8612     // determine horizontal offset for leading text
8613     if (radiobutton_info[i].text_left != NULL)
8614       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8615
8616     gi = CreateGadget(GDI_CUSTOM_ID, id,
8617                       GDI_CUSTOM_TYPE_ID, type_id,
8618                       GDI_IMAGE_ID, graphic,
8619                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8620                       GDI_X, x,
8621                       GDI_Y, y,
8622                       GDI_WIDTH, gd->width,
8623                       GDI_HEIGHT, gd->height,
8624                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8625                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8626                       GDI_CHECKED, checked,
8627                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8628                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8629                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8630                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8631                       GDI_EVENT_MASK, event_mask,
8632                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8633                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8634                       GDI_END);
8635
8636     if (gi == NULL)
8637       Fail("cannot create gadget");
8638
8639     level_editor_gadget[id] = gi;
8640     right_gadget_border[id] =
8641       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8642   }
8643 }
8644
8645 void CreateLevelEditorGadgets(void)
8646 {
8647   // force EDITOR font inside level editor
8648   SetFontStatus(GAME_MODE_EDITOR);
8649
8650   // these values are not constant, but can change at runtime
8651   ed_fieldx = MAX_ED_FIELDX - 1;
8652   ed_fieldy = MAX_ED_FIELDY - 1;
8653
8654   num_editor_gadgets = NUM_EDITOR_GADGETS;
8655
8656   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8657
8658   level_editor_gadget =
8659     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8660   right_gadget_border =
8661     checked_calloc(num_editor_gadgets * sizeof(int));
8662
8663   // set number of empty (padding) element buttons to maximum number of buttons
8664   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8665
8666   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8667   editor_el_empty_ptr = editor_el_empty;
8668
8669   use_permanent_palette = !editor.palette.show_as_separate_screen;
8670
8671   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8672
8673   ReinitializeElementList();
8674
8675   CreateControlButtons();
8676   CreateScrollbarGadgets();
8677
8678   // order of function calls is important because of cross-references
8679   CreateCheckbuttonGadgets();
8680   CreateCounterButtons();
8681   CreateRadiobuttonGadgets();
8682   CreateTextInputGadgets();
8683   CreateTextAreaGadgets();
8684   CreateSelectboxGadgets();
8685   CreateGraphicbuttonGadgets();
8686   CreateTextbuttonGadgets();
8687   CreateDrawingAreas();
8688
8689   ResetFontStatus();
8690 }
8691
8692 void FreeLevelEditorGadgets(void)
8693 {
8694   int i;
8695
8696   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8697
8698   for (i = 0; i < num_editor_gadgets; i++)
8699   {
8700     FreeGadget(level_editor_gadget[i]);
8701
8702     level_editor_gadget[i] = NULL;
8703   }
8704
8705   checked_free(level_editor_gadget);
8706   checked_free(right_gadget_border);
8707
8708   checked_free(editor_el_empty);
8709 }
8710
8711 static void MapCounterButtons(int id)
8712 {
8713   int font_nr = FONT_TEXT_1;
8714   int font_height = getFontHeight(font_nr);
8715   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8716   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8717   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8718   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8719   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8720   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8721   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8722   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8723   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8724   int yoffset = (gi_down->height - font_height) / 2;
8725   int x_left = gi_down->x - xoffset_left;
8726   int x_right;  // set after gadget position was modified
8727   int y_above = gi_down->y - yoffset_above;
8728   int x = gi_down->x;
8729   int y;        // set after gadget position was modified
8730
8731   // counter limits must be changed first to prevent value truncation
8732   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8733                             counterbutton_info[id].max_value);
8734
8735   // right text position might have changed after setting position above
8736   x_right = gi_up->x + gi_up->width + xoffset_right;
8737
8738   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8739
8740   // set position for counter gadgets with dynamically determined position
8741   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8742   {
8743     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8744     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8745     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8746   }
8747
8748   // vertical position might have changed after setting position above
8749   y = gi_up->y + yoffset;
8750
8751   if (counterbutton_info[id].text_above)
8752     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8753
8754   if (counterbutton_info[id].text_left)
8755     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8756
8757   if (counterbutton_info[id].text_right)
8758     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8759
8760   MapGadget(gi_down);
8761   MapGadget(gi_text);
8762   MapGadget(gi_up);
8763 }
8764
8765 static void MapControlButtons(void)
8766 {
8767   int counter_id;
8768   int i;
8769
8770   // map toolbox buttons (excluding special CE toolbox buttons)
8771   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8772     MapGadget(level_editor_gadget[i]);
8773
8774   // map toolbox buttons (element properties buttons)
8775   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8776     MapGadget(level_editor_gadget[i]);
8777
8778   if (use_permanent_palette)
8779   {
8780     // map buttons to select elements
8781     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8782       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8783     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8784     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8785     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8786   }
8787
8788   // map buttons to select level
8789   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8790   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8791   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8792   MapCounterButtons(counter_id);
8793 }
8794
8795 static void MapDrawingArea(int id)
8796 {
8797   int font_nr = FONT_TEXT_1;
8798   int font_height = getFontHeight(font_nr);
8799   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8800   int area_xsize = gi->drawing.area_xsize;
8801   int area_ysize = gi->drawing.area_ysize;
8802   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8803   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8804   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8805   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8806   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8807   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8808   int y_side  = gi->y + (gi->height - font_height) / 2;
8809   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8810   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8811
8812   if (drawingarea_info[id].text_left)
8813     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8814
8815   if (drawingarea_info[id].text_right)
8816     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8817
8818   if (drawingarea_info[id].text_above)
8819     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8820
8821   if (drawingarea_info[id].text_below)
8822     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8823
8824   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8825   {
8826     DrawElementBorder(gi->x, gi->y,
8827                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8828                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8829
8830     DrawDrawingArea(id);
8831   }
8832
8833   MapGadget(gi);
8834 }
8835
8836 static void MapTextInputGadget(int id)
8837 {
8838   int font_nr = FONT_TEXT_1;
8839   int font_height = getFontHeight(font_nr);
8840   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8841   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8842   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8843   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8844
8845   if (textinput_info[id].text_above)
8846     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8847
8848   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8849
8850   MapGadget(gi);
8851 }
8852
8853 static void MapTextAreaGadget(int id)
8854 {
8855   int font_nr = FONT_TEXT_1;
8856   int font_height = getFontHeight(font_nr);
8857   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8858   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8859   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8860   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8861   char *text_above = textarea_info[id].text_above;
8862
8863   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8864     text_above = textarea_info[id].text_above_cropped;
8865
8866   if (text_above)
8867     DrawTextS(x_above, y_above, font_nr, text_above);
8868
8869   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8870
8871   MapGadget(gi);
8872 }
8873
8874 static void MapSelectboxGadget(int id)
8875 {
8876   int font_nr = FONT_TEXT_1;
8877   int font_height = getFontHeight(font_nr);
8878   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8879   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8880   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8881   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8882   int yoffset = (gi->height - font_height) / 2;
8883   int x_left = gi->x - xoffset_left;
8884   int x_right = gi->x + gi->width + xoffset_right;
8885   int y_above = gi->y - yoffset_above;
8886   int x = gi->x;
8887   int y = gi->y + yoffset;
8888
8889   if (selectbox_info[id].text_above)
8890     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8891
8892   if (selectbox_info[id].text_left)
8893     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8894
8895   if (selectbox_info[id].text_right)
8896     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8897
8898   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8899
8900   MapGadget(gi);
8901 }
8902
8903 static void MapTextbuttonGadget(int id)
8904 {
8905   int font_nr = FONT_TEXT_1;
8906   int font_height = getFontHeight(font_nr);
8907   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8908   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8909   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8910   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8911   int yoffset = (gi->height - font_height) / 2;
8912   int x_left = gi->x - xoffset_left;
8913   int x_right = gi->x + gi->width + xoffset_right;
8914   int y_above = gi->y - yoffset_above;
8915   int x = gi->x;
8916   int y = gi->y + yoffset;
8917
8918   // only show button to delete change pages when more than minimum pages
8919   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8920       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8921     return;
8922
8923   if (textbutton_info[id].text_above)
8924     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8925
8926   if (textbutton_info[id].text_left)
8927     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8928
8929   if (textbutton_info[id].text_right)
8930     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8931
8932   MapGadget(gi);
8933 }
8934
8935 static void MapGraphicbuttonGadget(int id)
8936 {
8937   int font_nr = FONT_TEXT_1;
8938   int font_height = getFontHeight(font_nr);
8939   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8940   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8941   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8942   int yoffset = (gi->height - font_height) / 2;
8943   int x_left = gi->x - xoffset_left;
8944   int x_right = gi->x + gi->width + xoffset_right;
8945   int y = gi->y + yoffset;
8946
8947   if (graphicbutton_info[id].text_left)
8948     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8949
8950   if (graphicbutton_info[id].text_right)
8951     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8952
8953   MapGadget(gi);
8954 }
8955
8956 static void MapRadiobuttonGadget(int id)
8957 {
8958   int font_nr = FONT_TEXT_1;
8959   int font_height = getFontHeight(font_nr);
8960   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8961   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8962   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8963   int yoffset = (gi->height - font_height) / 2;
8964   int x_left = gi->x - xoffset_left;
8965   int x_right = gi->x + gi->width + xoffset_right;
8966   int y = gi->y + yoffset;
8967   boolean checked =
8968     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8969
8970   if (radiobutton_info[id].text_left)
8971     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8972
8973   if (radiobutton_info[id].text_right)
8974     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8975
8976   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8977
8978   MapGadget(gi);
8979 }
8980
8981 static void MapCheckbuttonGadget(int id)
8982 {
8983   int font_nr = FONT_TEXT_1;
8984   int font_height = getFontHeight(font_nr);
8985   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8986   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8987   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8988   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8989   int yoffset = (gi->height - font_height) / 2;
8990   int y_above = gi->y - yoffset_above;
8991   int x = gi->x;
8992   int x_left, x_right, y;       // set after gadget position was modified
8993
8994   // set position for gadgets with dynamically determined position
8995   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8996     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8997   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8998
8999   x_left = gi->x - xoffset_left;
9000   x_right = gi->x + gi->width + xoffset_right;
9001   y = gi->y + yoffset;
9002
9003   if (checkbutton_info[id].text_above)
9004     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9005
9006   if (checkbutton_info[id].text_left)
9007     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9008
9009   if (checkbutton_info[id].text_right)
9010     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9011
9012   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9013
9014   MapGadget(gi);
9015 }
9016
9017 static void MapMainDrawingArea(void)
9018 {
9019   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9020   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9021   int i;
9022
9023   if (suppressBorderElement())
9024   {
9025     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9026     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9027   }
9028
9029   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9030   {
9031     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9032           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9033          no_horizontal_scrollbar) ||
9034         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9035           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9036          no_vertical_scrollbar))
9037       continue;
9038
9039     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9040   }
9041
9042   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9043   {
9044     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9045         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9046       continue;
9047
9048     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9049   }
9050
9051   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9052 }
9053
9054 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9055 {
9056   int i;
9057
9058   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9059   {
9060     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9061         i == GADGET_ID_CUSTOM_COPY_TO ||
9062         i == GADGET_ID_CUSTOM_EXCHANGE ||
9063         i == GADGET_ID_CUSTOM_COPY ||
9064         i == GADGET_ID_CUSTOM_PASTE)
9065     {
9066       if (map)
9067         MapGadget(level_editor_gadget[i]);
9068       else
9069         UnmapGadget(level_editor_gadget[i]);
9070     }
9071   }
9072 }
9073
9074 static void MapLevelEditorToolboxCustomGadgets(void)
9075 {
9076   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9077 }
9078
9079 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9080 {
9081   if (IS_CUSTOM_ELEMENT(properties_element) ||
9082       IS_GROUP_ELEMENT(properties_element) ||
9083       IS_EMPTY_ELEMENT(properties_element))
9084     MapLevelEditorToolboxCustomGadgets();
9085 }
9086
9087 static void UnmapLevelEditorToolboxCustomGadgets(void)
9088 {
9089   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9090 }
9091
9092 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9093 {
9094   int i;
9095
9096   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9097   {
9098     if (i != GADGET_ID_SINGLE_ITEMS &&
9099         i != GADGET_ID_PICK_ELEMENT)
9100     {
9101       struct GadgetInfo *gi = level_editor_gadget[i];
9102
9103       if (map)
9104       {
9105         MapGadget(gi);
9106       }
9107       else
9108       {
9109         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9110         struct GraphicInfo *gd = &graphic_info[graphic];
9111
9112         UnmapGadget(gi);
9113
9114         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9115                    gi->width, gi->height, gi->x, gi->y);
9116
9117         redraw_mask |= REDRAW_DOOR_3;
9118       }
9119     }
9120   }
9121 }
9122
9123 static void MapLevelEditorToolboxDrawingGadgets(void)
9124 {
9125   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9126 }
9127
9128 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9129 {
9130   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9131 }
9132
9133 static void UnmapDrawingArea(int id)
9134 {
9135   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9136 }
9137
9138 static void UnmapLevelEditorFieldGadgets(void)
9139 {
9140   int i;
9141
9142   for (i = 0; i < num_editor_gadgets; i++)
9143     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9144                           level_editor_gadget[i]->y))
9145       UnmapGadget(level_editor_gadget[i]);
9146 }
9147
9148 void UnmapLevelEditorGadgets(void)
9149 {
9150   int i;
9151
9152   for (i = 0; i < num_editor_gadgets; i++)
9153     UnmapGadget(level_editor_gadget[i]);
9154 }
9155
9156 static void ResetUndoBuffer(void)
9157 {
9158   undo_buffer_position = -1;
9159   undo_buffer_steps = -1;
9160   redo_buffer_steps = 0;
9161
9162   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9163
9164   level.changed = FALSE;
9165 }
9166
9167 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9168 {
9169   if (remap_toolbox_gadgets)
9170   {
9171     ModifyEditorElementList();
9172     RedrawDrawingElements();
9173   }
9174
9175   if (edit_mode == ED_MODE_LEVELCONFIG)
9176     DrawLevelConfigWindow();
9177   else if (edit_mode == ED_MODE_PROPERTIES)
9178     DrawPropertiesWindow();
9179   else if (edit_mode == ED_MODE_PALETTE)
9180     DrawPaletteWindow();
9181   else  // edit_mode == ED_MODE_DRAWING
9182     DrawDrawingWindowExt(remap_toolbox_gadgets);
9183 }
9184
9185 static void DrawEditModeWindow(void)
9186 {
9187   DrawEditModeWindowExt(TRUE);
9188 }
9189
9190 static void DrawEditModeWindow_PlayfieldOnly(void)
9191 {
9192   DrawEditModeWindowExt(FALSE);
9193 }
9194
9195 static void ChangeEditModeWindow(int new_edit_mode)
9196 {
9197   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9198
9199   DrawEditModeWindow();
9200 }
9201
9202 static boolean LevelChanged(void)
9203 {
9204   boolean field_changed = FALSE;
9205   int x, y;
9206
9207   for (y = 0; y < lev_fieldy; y++)
9208     for (x = 0; x < lev_fieldx; x++)
9209       if (Tile[x][y] != level.field[x][y])
9210         field_changed = TRUE;
9211
9212   return (level.changed || field_changed);
9213 }
9214
9215 static boolean PrepareSavingIntoPersonalLevelSet(void)
9216 {
9217   static LevelDirTree *last_copied_leveldir = NULL;
9218   static LevelDirTree *last_written_leveldir = NULL;
9219   static int last_copied_level_nr = -1;
9220   static int last_written_level_nr = -1;
9221   LevelDirTree *leveldir_former = leveldir_current;
9222   int level_nr_former = level_nr;
9223   int new_level_nr;
9224
9225   // remember last mod/save so that for current session, we write
9226   // back to the same personal copy, asking only about overwrite.
9227   if (leveldir_current == last_copied_leveldir &&
9228       level_nr == last_copied_level_nr)
9229   {
9230     // "cd" to personal level set dir (as used when writing last copy)
9231     leveldir_current = last_written_leveldir;
9232     level_nr = last_written_level_nr;
9233
9234     return TRUE;
9235   }
9236
9237   if (!Request("This level is read-only! "
9238                "Save into personal level set?", REQ_ASK))
9239     return FALSE;
9240
9241   // "cd" to personal level set dir (for writing copy the first time)
9242   leveldir_current =
9243     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9244
9245   // this may happen if "setup.internal.create_user_levelset" is FALSE
9246   // or if file "levelinfo.conf" is missing in personal user level set
9247   if (leveldir_current == NULL)
9248   {
9249     Request("Cannot find personal level set?!", REQ_CONFIRM);
9250
9251     leveldir_current = leveldir_former;
9252
9253     return FALSE;
9254   }
9255
9256   // find unused level number
9257   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9258   {
9259     static char *level_filename = NULL;
9260
9261     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9262
9263     if (!fileExists(level_filename))
9264       break;
9265   }
9266
9267   last_copied_leveldir = leveldir_former;
9268   last_copied_level_nr = level_nr_former;
9269
9270   last_written_leveldir = leveldir_current;
9271   last_written_level_nr = level_nr = new_level_nr;
9272
9273   return TRUE;
9274 }
9275
9276 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9277 {
9278   static char *filename_levelinfo = NULL, *mod_name = NULL;
9279   FILE *file;
9280
9281   // annotate this copy-and-mod in personal levelinfo.conf
9282   setString(&filename_levelinfo,
9283             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9284
9285   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9286   {
9287     fprintf(file, "\n");
9288     fprintf(file, "# level %d was modified from:\n", level_nr);
9289     fprintf(file, "# - previous level set name:    %s\n",
9290             former_name);
9291     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9292             level.file_info.nr, level.name);
9293     fprintf(file, "# - previous author:            %s\n",
9294             level.author);
9295     fprintf(file, "# - previous save date:         ");
9296
9297     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9298     {
9299       fprintf(file, "%04d-%02d-%02d\n",
9300               level.creation_date.year,
9301               level.creation_date.month,
9302               level.creation_date.day);
9303     }
9304     else
9305     {
9306       fprintf(file, "not recorded\n");
9307     }
9308
9309     fclose(file);
9310   }
9311
9312   if (level_nr > leveldir_current->last_level)
9313     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9314
9315   // else: allow the save even if annotation failed
9316
9317   // now... spray graffiti on the old level vital statistics
9318   // user can change these; just trying to set a good baseline
9319
9320   // don't truncate names for fear of making offensive or silly:
9321   // long-named original author only recorded in levelinfo.conf.
9322   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9323   if (!strEqual(level.author, leveldir_current->author))
9324   {
9325     setString(&mod_name, getStringCat3(leveldir_current->author,
9326                                        " after ", level.author));
9327
9328     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9329       setString(&mod_name,
9330                 getStringCat2(leveldir_current->author, " (ed.)"));
9331
9332     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9333       setString(&mod_name, leveldir_current->author);
9334
9335     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9336
9337     // less worried about truncation here
9338     setString(&mod_name, getStringCat2("Mod: ", level.name));
9339     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9340   }
9341 }
9342
9343 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9344                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9345 {
9346   int x, y;
9347
9348   for (x = 0; x < lev_fieldx; x++)
9349     for (y = 0; y < lev_fieldy; y++)
9350       dst[x][y] = src[x][y];
9351 }
9352
9353 static int setSelectboxValue(int selectbox_id, int new_value)
9354 {
9355   int new_index_value = 0;
9356   int i;
9357
9358   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9359     if (selectbox_info[selectbox_id].options[i].value == new_value)
9360       new_index_value = i;
9361
9362   *selectbox_info[selectbox_id].value =
9363     selectbox_info[selectbox_id].options[new_index_value].value;
9364
9365   return new_index_value;
9366 }
9367
9368 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9369 {
9370   int i;
9371
9372   // change action mode and arg variables according to action type variable
9373   for (i = 0; action_arg_options[i].value != -1; i++)
9374   {
9375     if (action_arg_options[i].value == custom_element_change.action_type)
9376     {
9377       int mode = action_arg_options[i].mode;
9378
9379       // only change if corresponding selectbox has changed
9380       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9381           action_arg_modes[mode])
9382         custom_element_change.action_mode = -1;
9383
9384       // only change if corresponding selectbox has changed
9385       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9386           action_arg_options[i].options)
9387         custom_element_change.action_arg = -1;
9388
9389       break;
9390     }
9391   }
9392 }
9393
9394 static void setSelectboxSpecialActionOptions(void)
9395 {
9396   int i;
9397
9398   // change action mode and arg selectbox according to action type selectbox
9399   for (i = 0; action_arg_options[i].value != -1; i++)
9400   {
9401     if (action_arg_options[i].value == custom_element_change.action_type)
9402     {
9403       int mode = action_arg_options[i].mode;
9404
9405       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9406                                    action_arg_modes[mode]);
9407       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9408                                  custom_element_change.action_mode);
9409
9410       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9411                                    action_arg_options[i].options);
9412       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9413                                  custom_element_change.action_arg);
9414       break;
9415     }
9416   }
9417 }
9418
9419 static void copy_custom_element_settings(int element_from, int element_to)
9420 {
9421   struct ElementInfo *ei_from = &element_info[element_from];
9422   struct ElementInfo *ei_to = &element_info[element_to];
9423
9424   copyElementInfo(ei_from, ei_to);
9425 }
9426
9427 static void replace_custom_element_in_settings(int element_from,
9428                                                int element_to)
9429 {
9430   int i, j, x, y;
9431
9432   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9433   {
9434     struct ElementInfo *ei = &element_info[i];
9435
9436     for (y = 0; y < 3; y++)
9437       for (x = 0; x < 3; x++)
9438         if (ei->content.e[x][y] == element_from)
9439           ei->content.e[x][y] = element_to;
9440
9441     for (j = 0; j < ei->num_change_pages; j++)
9442     {
9443       struct ElementChangeInfo *change = &ei->change_page[j];
9444
9445       if (change->target_element == element_from)
9446         change->target_element = element_to;
9447
9448       if (change->initial_trigger_element == element_from)
9449         change->initial_trigger_element = element_to;
9450
9451       if (change->action_element == element_from)
9452         change->action_element = element_to;
9453
9454       for (y = 0; y < 3; y++)
9455         for (x = 0; x < 3; x++)
9456           if (change->target_content.e[x][y] == element_from)
9457             change->target_content.e[x][y] = element_to;
9458     }
9459
9460     if (ei->group != NULL)                              // group or internal
9461       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9462         if (ei->group->element[j] == element_from)
9463           ei->group->element[j] = element_to;
9464   }
9465 }
9466
9467 static void replace_custom_element_in_playfield(int element_from,
9468                                                 int element_to)
9469 {
9470   int x, y;
9471
9472   for (x = 0; x < lev_fieldx; x++)
9473     for (y = 0; y < lev_fieldy; y++)
9474       if (Tile[x][y] == element_from)
9475         Tile[x][y] = element_to;
9476 }
9477
9478 static boolean CopyCustomElement(int element_old, int element_new,
9479                                  int copy_mode)
9480 {
9481   int copy_mode_orig = copy_mode;
9482
9483   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9484   {
9485     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9486                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9487     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9488   }
9489   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9490   {
9491     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9492                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9493     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9494
9495     level.changed = TRUE;
9496   }
9497   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9498   {
9499     Request("Please choose custom element!", REQ_CONFIRM);
9500
9501     return FALSE;
9502   }
9503   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9504   {
9505     Request("Please choose group element!", REQ_CONFIRM);
9506
9507     return FALSE;
9508   }
9509   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9510   {
9511     Request("Please choose empty element!", REQ_CONFIRM);
9512
9513     return FALSE;
9514   }
9515   else
9516   {
9517     level.changed = TRUE;
9518   }
9519
9520   // when modifying custom/group element, ask for copying level template
9521   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9522   {
9523     if (!AskToCopyAndModifyLevelTemplate())
9524       return FALSE;
9525   }
9526
9527   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9528   {
9529     copy_custom_element_settings(element_new, element_old);
9530   }
9531   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9532   {
9533     copy_custom_element_settings(element_old, element_new);
9534   }
9535   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9536   {
9537     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9538     copy_custom_element_settings(element_new, element_old);
9539     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9540
9541     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9542     replace_custom_element_in_settings(element_new, element_old);
9543     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9544
9545     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9546     replace_custom_element_in_playfield(element_new, element_old);
9547     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9548   }
9549
9550   UpdateCustomElementGraphicGadgets();
9551   DrawPropertiesWindow();
9552
9553   return TRUE;
9554 }
9555
9556 static void CopyCustomElementPropertiesToEditor(int element)
9557 {
9558   int i;
9559   int current_change_page = element_info[element].current_change_page;
9560
9561   // dynamically (re)build selectbox for selecting change page
9562   for (i = 0; i < element_info[element].num_change_pages; i++)
9563   {
9564     sprintf(options_change_page_strings[i], "%d", i + 1);
9565
9566     options_change_page[i].value = i;
9567     options_change_page[i].text = options_change_page_strings[i];
9568   }
9569
9570   options_change_page[i].value = -1;
9571   options_change_page[i].text = NULL;
9572
9573   // needed here to initialize combined element properties
9574   InitElementPropertiesEngine(level.game_version);
9575
9576   element_info[element].change =
9577     &element_info[element].change_page[current_change_page];
9578
9579   custom_element = element_info[element];
9580   custom_element_change = *element_info[element].change;
9581
9582   // needed to initially set selectbox options for special action options
9583   setSelectboxSpecialActionOptions();
9584
9585   // needed to initially set selectbox value variables to reliable defaults
9586   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9587     setSelectboxValue(i, *selectbox_info[i].value);
9588
9589   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9590     custom_element_properties[i] = HAS_PROPERTY(element, i);
9591
9592   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9593     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9594
9595   // ---------- element settings: configure (custom elements) -----------------
9596
9597   // set accessible layer selectbox help value
9598   custom_element.access_type =
9599     (IS_WALKABLE(element) ? EP_WALKABLE :
9600      IS_PASSABLE(element) ? EP_PASSABLE :
9601      custom_element.access_type);
9602   custom_element.access_layer =
9603     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9604      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9605      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9606      custom_element.access_layer);
9607   custom_element.access_protected =
9608     (IS_PROTECTED(element) ? 1 : 0);
9609   custom_element_properties[EP_ACCESSIBLE] =
9610     (IS_ACCESSIBLE_OVER(element) ||
9611      IS_ACCESSIBLE_INSIDE(element) ||
9612      IS_ACCESSIBLE_UNDER(element));
9613
9614   // set walk-to-object action selectbox help value
9615   custom_element.walk_to_action =
9616     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9617      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9618      IS_DROPPABLE(element) ? EP_DROPPABLE :
9619      IS_THROWABLE(element) ? EP_THROWABLE :
9620      IS_PUSHABLE(element) ? EP_PUSHABLE :
9621      custom_element.walk_to_action);
9622   custom_element_properties[EP_WALK_TO_OBJECT] =
9623     (IS_DIGGABLE(element) ||
9624      IS_COLLECTIBLE_ONLY(element) ||
9625      IS_DROPPABLE(element) ||
9626      IS_THROWABLE(element) ||
9627      IS_PUSHABLE(element));
9628
9629   // set smash targets selectbox help value
9630   custom_element.smash_targets =
9631     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9632      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9633      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9634      custom_element.smash_targets);
9635   custom_element_properties[EP_CAN_SMASH] =
9636     (CAN_SMASH_EVERYTHING(element) ||
9637      CAN_SMASH_ENEMIES(element) ||
9638      CAN_SMASH_PLAYER(element));
9639
9640   // set deadliness selectbox help value
9641   custom_element.deadliness =
9642     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9643      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9644      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9645      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9646      custom_element.deadliness);
9647   custom_element_properties[EP_DEADLY] =
9648     (DONT_TOUCH(element) ||
9649      DONT_GET_HIT_BY(element) ||
9650      DONT_COLLIDE_WITH(element) ||
9651      DONT_RUN_INTO(element));
9652
9653   // ---------- element settings: advanced (custom elements) ------------------
9654
9655   // set "change by direct action" selectbox help value
9656   custom_element_change.direct_action =
9657     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9658      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9659      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9660      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9661      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9662      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9663      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9664      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9665      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9666      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9667      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9668      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9669      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9670      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9671      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9672      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9673      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9674      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9675      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9676      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9677      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9678      custom_element_change.direct_action);
9679
9680   // set "change by other element action" selectbox help value
9681   custom_element_change.other_action =
9682     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9683      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9684      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9685      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9686      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9687      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9688      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9689      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9690      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9691      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9692      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9693      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9694      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9695      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9696      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9697      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9698      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9699      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9700      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9701      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9702      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9703      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9704      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9705      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9706      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9707      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9708      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9709      custom_element_change.other_action);
9710 }
9711
9712 static void CopyGroupElementPropertiesToEditor(int element)
9713 {
9714   group_element_info = *element_info[element].group;
9715   custom_element = element_info[element];       // needed for description
9716 }
9717
9718 static void CopyEmptyElementPropertiesToEditor(int element)
9719 {
9720   custom_element = element_info[element];
9721 }
9722
9723 static void CopyClassicElementPropertiesToEditor(int element)
9724 {
9725   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9726     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9727       getMoveIntoAcidProperty(&level, element);
9728
9729   if (MAYBE_DONT_COLLIDE_WITH(element))
9730     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9731       getDontCollideWithProperty(&level, element);
9732 }
9733
9734 static void CopyElementPropertiesToEditor(int element)
9735 {
9736   if (IS_CUSTOM_ELEMENT(element))
9737     CopyCustomElementPropertiesToEditor(element);
9738   else if (IS_GROUP_ELEMENT(element))
9739     CopyGroupElementPropertiesToEditor(element);
9740   else if (IS_EMPTY_ELEMENT(element))
9741     CopyEmptyElementPropertiesToEditor(element);
9742   else
9743     CopyClassicElementPropertiesToEditor(element);
9744 }
9745
9746 static boolean AskToCopyAndModifyLevelTemplate(void)
9747 {
9748   if (Request("Copy and modify settings from level template?", REQ_ASK))
9749   {
9750     level.use_custom_template = FALSE;
9751
9752     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9753                  GDI_CHECKED, FALSE, GDI_END);
9754     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9755                  GDI_CHECKED, FALSE, GDI_END);
9756
9757     return TRUE;
9758   }
9759   else
9760   {
9761     LoadLevelTemplate(-1);      // this resets all element modifications ...
9762
9763     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9764
9765     return FALSE;
9766   }
9767 }
9768
9769 static void CopyCustomElementPropertiesToGame(int element)
9770 {
9771   int i;
9772   int access_type_and_layer;
9773
9774   // mark that this custom element has been modified
9775   custom_element.modified_settings = TRUE;
9776   level.changed = TRUE;
9777
9778   if (level.use_custom_template)
9779     AskToCopyAndModifyLevelTemplate();
9780
9781   element_info[element] = custom_element;
9782   *element_info[element].change = custom_element_change;
9783
9784   // ---------- element settings: configure (custom elements) -----------------
9785
9786   // set accessible property from checkbox and selectbox
9787   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9788   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9789   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9790   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9791   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9792   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9793   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9794                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9795                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9796   custom_element_properties[access_type_and_layer] =
9797     custom_element_properties[EP_ACCESSIBLE];
9798   custom_element_properties[EP_PROTECTED] =
9799     (custom_element.access_protected != 0 &&
9800      custom_element_properties[EP_ACCESSIBLE]);
9801
9802   // set walk-to-object property from checkbox and selectbox
9803   custom_element_properties[EP_DIGGABLE] = FALSE;
9804   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9805   custom_element_properties[EP_DROPPABLE] = FALSE;
9806   custom_element_properties[EP_THROWABLE] = FALSE;
9807   custom_element_properties[EP_PUSHABLE] = FALSE;
9808   custom_element_properties[custom_element.walk_to_action] =
9809     custom_element_properties[EP_WALK_TO_OBJECT];
9810
9811   // set smash property from checkbox and selectbox
9812   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9813   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9814   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9815   custom_element_properties[custom_element.smash_targets] =
9816     custom_element_properties[EP_CAN_SMASH];
9817
9818   // set deadliness property from checkbox and selectbox
9819   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9820   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9821   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9822   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9823   custom_element_properties[custom_element.deadliness] =
9824     custom_element_properties[EP_DEADLY];
9825
9826   // ---------- element settings: advanced (custom elements) ------------------
9827
9828   // set player change event from checkbox and selectbox
9829   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9830   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9831   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9832   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9833   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9834   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9835   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9836   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9837   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9838   custom_element_change_events[CE_SWITCHED] = FALSE;
9839   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9840   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9841   custom_element_change_events[CE_BLOCKED] = FALSE;
9842   custom_element_change_events[CE_IMPACT] = FALSE;
9843   custom_element_change_events[CE_SMASHED] = FALSE;
9844   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9845   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9846   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9847   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9848   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9849   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9850   custom_element_change_events[custom_element_change.direct_action] =
9851     custom_element_change_events[CE_BY_DIRECT_ACTION];
9852
9853   // set other element action change event from checkbox and selectbox
9854   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9855   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9856   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9857   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9858   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9859   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9860   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9861   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9862   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9863   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9864   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9865   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9866   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9867   custom_element_change_events[CE_HITTING_X] = FALSE;
9868   custom_element_change_events[CE_DIGGING_X] = FALSE;
9869   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9870   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9871   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9872   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9873   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9874   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9875   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9876   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9877   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9878   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9879   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9880   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9881   custom_element_change_events[custom_element_change.other_action] =
9882     custom_element_change_events[CE_BY_OTHER_ACTION];
9883
9884   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9885     SET_PROPERTY(element, i, custom_element_properties[i]);
9886
9887   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9888     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9889
9890   // copy change events also to special level editor variable
9891   custom_element = element_info[element];
9892   custom_element_change = *element_info[element].change;
9893
9894   // needed here to restore runtime value "element_info[element].gfx_element"
9895   InitElementPropertiesGfxElement();
9896 }
9897
9898 static void CopyGroupElementPropertiesToGame(int element)
9899 {
9900   // mark that this group element has been modified
9901   custom_element.modified_settings = TRUE;
9902   level.changed = TRUE;
9903
9904   if (level.use_custom_template)
9905     AskToCopyAndModifyLevelTemplate();
9906
9907   element_info[element] = custom_element;
9908   *element_info[element].group = group_element_info;
9909
9910   // needed here to restore runtime value "element_info[element].gfx_element"
9911   InitElementPropertiesGfxElement();
9912 }
9913
9914 static void CopyEmptyElementPropertiesToGame(int element)
9915 {
9916   // mark that this empty element has been modified
9917   custom_element.modified_settings = TRUE;
9918   level.changed = TRUE;
9919
9920   if (level.use_custom_template)
9921     AskToCopyAndModifyLevelTemplate();
9922
9923   element_info[element] = custom_element;
9924
9925   // needed here to restore runtime value "element_info[element].gfx_element"
9926   InitElementPropertiesGfxElement();
9927 }
9928
9929 static void CopyClassicElementPropertiesToGame(int element)
9930 {
9931   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9932     setMoveIntoAcidProperty(&level, element,
9933                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9934
9935   if (MAYBE_DONT_COLLIDE_WITH(element))
9936     setDontCollideWithProperty(&level, element,
9937                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9938 }
9939
9940 static void CopyElementPropertiesToGame(int element)
9941 {
9942   if (IS_CUSTOM_ELEMENT(element))
9943     CopyCustomElementPropertiesToGame(element);
9944   else if (IS_GROUP_ELEMENT(element))
9945     CopyGroupElementPropertiesToGame(element);
9946   else if (IS_EMPTY_ELEMENT(element))
9947     CopyEmptyElementPropertiesToGame(element);
9948   else
9949     CopyClassicElementPropertiesToGame(element);
9950 }
9951
9952 #if DEBUG
9953 static void CheckElementDescriptions(void)
9954 {
9955   int i;
9956
9957   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9958     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9959       Warn("no element description file for element '%s'", EL_NAME(i));
9960 }
9961 #endif
9962
9963 static int getMaxEdFieldX(boolean has_scrollbar)
9964 {
9965   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9966   int sxsize = SXSIZE - scrollbar_width;
9967   int max_ed_fieldx = sxsize / ed_tilesize;
9968
9969   return max_ed_fieldx;
9970 }
9971
9972 static int getMaxEdFieldY(boolean has_scrollbar)
9973 {
9974   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9975                          INFOTEXT_YSIZE_FULL : 0);
9976   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9977   int sysize = SYSIZE - scrollbar_height - infotext_height;
9978   int max_ed_fieldy = sysize / ed_tilesize;
9979
9980   return max_ed_fieldy;
9981 }
9982
9983 static void InitZoomLevelSettings(int zoom_tilesize)
9984 {
9985   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9986
9987   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9988   {
9989     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9990     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9991
9992     // make sure that tile size is always a power of 2
9993     ed_tilesize = (1 << log_2(ed_tilesize));
9994
9995     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9996     {
9997       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9998       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9999     }
10000   }
10001
10002   last_game_engine_type = level.game_engine_type;
10003
10004   // limit zoom tilesize by upper and lower bound
10005   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10006
10007   // store zoom tilesize in auto setup file only if it was manually changed
10008   if (zoom_tilesize != -1)
10009     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10010
10011   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10012   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10013 }
10014
10015 static void InitDrawingElements(void)
10016 {
10017   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10018
10019   if (level.game_engine_type == game_engine_type_last)
10020     return;
10021
10022   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10023   {
10024     new_element1 = EL_BD_WALL;
10025     new_element2 = EL_EMPTY;
10026     new_element3 = EL_BD_SAND;
10027   }
10028   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10029   {
10030     new_element1 = EL_SP_CHIP_SINGLE;
10031     new_element2 = EL_EMPTY;
10032     new_element3 = EL_SP_BASE;
10033   }
10034   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10035   {
10036     new_element1 = EL_MM_MIRROR_START;
10037     new_element2 = EL_EMPTY;
10038     new_element3 = EL_MM_WOODEN_WALL;
10039   }
10040   else
10041   {
10042     new_element1 = EL_WALL;
10043     new_element2 = EL_EMPTY;
10044     new_element3 = EL_SAND;
10045   }
10046
10047   game_engine_type_last = level.game_engine_type;
10048 }
10049
10050 static void InitLevelSetInfo(void)
10051 {
10052   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10053            "%s", leveldir_current->name);
10054   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10055            "%s", leveldir_current->author);
10056
10057   levelset_num_levels = leveldir_current->levels;
10058
10059   levelset_use_levelset_artwork = FALSE;
10060   levelset_copy_level_template = FALSE;
10061
10062   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10063 }
10064
10065 static void ChangeEditorToLevelSet(char *levelset_subdir)
10066 {
10067   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10068
10069   // the previous level set might have used custom artwork
10070   ReloadCustomArtwork(0);
10071
10072   LoadLevelSetup_SeriesInfo();
10073
10074   SaveLevelSetup_LastSeries();
10075   SaveLevelSetup_SeriesInfo();
10076
10077   TapeErase();
10078
10079   LoadLevel(level_nr);
10080   LoadScore(level_nr);
10081
10082   DrawLevelEd();
10083 }
10084
10085 static boolean useEditorDoorAnimation(void)
10086 {
10087   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10088   boolean door_1_viewport_unchanged =
10089     (vp_door_1->x      == DX     &&
10090      vp_door_1->y      == DY     &&
10091      vp_door_1->width  == DXSIZE &&
10092      vp_door_1->height == DYSIZE);
10093   boolean door_1_contains_toolbox =
10094     (EX >= DX &&
10095      EY >= DY &&
10096      EX + EXSIZE <= DX + DXSIZE &&
10097      EY + EYSIZE <= DY + DYSIZE);
10098
10099   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10100 }
10101
10102 static void DrawEditorDoorBackground(int graphic, int x, int y,
10103                                      int width, int height)
10104 {
10105   struct GraphicInfo *g = &graphic_info[graphic];
10106
10107   if (g->bitmap != NULL)
10108     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10109                MIN(width, g->width), MIN(height, g->height), x, y);
10110   else
10111     ClearRectangle(drawto, x, y, width, height);
10112 }
10113
10114 static void DrawEditorDoorContent(void)
10115 {
10116   // needed for gadgets drawn on background (like palette scrollbar)
10117   SetDoorBackgroundImage(IMG_UNDEFINED);
10118
10119   // copy default editor door content to main double buffer
10120   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10121
10122   // draw bigger door
10123   DrawSpecialEditorDoor();
10124
10125   // draw new control window
10126   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10127
10128   // draw all toolbox gadgets to editor doors
10129   MapControlButtons();
10130
10131   // when returning from test game to properties page, redraw toolbox gadgets
10132   if (edit_mode == ED_MODE_PROPERTIES)
10133   {
10134     UnmapLevelEditorToolboxDrawingGadgets();
10135     UnmapLevelEditorToolboxCustomGadgets();
10136
10137     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10138   }
10139
10140   // draw all palette gadgets to editor doors
10141   ModifyEditorElementList();
10142   RedrawDrawingElements();
10143
10144   // copy actual editor door content to door double buffer for OpenDoor()
10145   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10146 }
10147
10148 void DrawLevelEd(void)
10149 {
10150   int fade_mask = REDRAW_FIELD;
10151
10152   FadeSoundsAndMusic();
10153
10154   if (CheckFadeAll())
10155     fade_mask = REDRAW_ALL;
10156
10157   FadeOut(fade_mask);
10158
10159   // needed if different viewport properties defined for editor
10160   ChangeViewportPropertiesIfNeeded();
10161
10162   ClearField();
10163
10164   InitZoomLevelSettings(-1);
10165   InitDrawingElements();
10166   InitLevelSetInfo();
10167
10168 #if DEBUG
10169   CheckElementDescriptions();
10170 #endif
10171
10172   if (level_editor_test_game)
10173   {
10174     CopyPlayfield(level.field, Tile);
10175     CopyPlayfield(TileBackup, level.field);
10176
10177     level_editor_test_game = FALSE;
10178   }
10179   else
10180   {
10181     edit_mode = ED_MODE_DRAWING;
10182     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10183     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10184
10185     ResetUndoBuffer();
10186
10187     level_xpos = -1;
10188     level_ypos = -1;
10189   }
10190
10191   // redraw_mask |= REDRAW_ALL;
10192
10193   FreeLevelEditorGadgets();
10194   CreateLevelEditorGadgets();
10195
10196   ReinitializeElementList();            // update dynamic level element list
10197   ReinitializeElementListButtons();     // custom element may look different
10198
10199   InitElementPropertiesGfxElement();
10200
10201   UnmapAllGadgets();
10202
10203   DrawEditModeWindow_PlayfieldOnly();
10204
10205   DrawMaskedBorder(fade_mask);
10206
10207   // use door animation if door 1 viewport is unchanged and contains toolbox
10208   if (useEditorDoorAnimation())
10209   {
10210     FadeIn(fade_mask);
10211
10212     DrawEditorDoorContent();
10213
10214     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10215   }
10216   else
10217   {
10218     DrawEditorDoorContent();
10219
10220     FadeIn(fade_mask);
10221   }
10222
10223   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10224 }
10225
10226 static void AdjustDrawingAreaGadgets(void)
10227 {
10228   int ed_xsize = lev_fieldx + 2;
10229   int ed_ysize = lev_fieldy + 2;
10230   int max_ed_fieldx = MAX_ED_FIELDX;
10231   int max_ed_fieldy = MAX_ED_FIELDY;
10232   boolean horizontal_scrollbar_needed;
10233   boolean vertical_scrollbar_needed;
10234   int x, y, width, height;
10235
10236   if (suppressBorderElement())
10237   {
10238     ed_xsize = lev_fieldx;
10239     ed_ysize = lev_fieldy;
10240   }
10241
10242   // check if we need any scrollbars
10243   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10244   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10245
10246   // check if we have a smaller editor field because of scrollbars
10247   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10248   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10249
10250   // check again if we now need more scrollbars because of less space
10251   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10252   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10253
10254   // check if editor field gets even smaller after adding new scrollbars
10255   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10256   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10257
10258   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10259   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10260
10261   x = SX + ed_fieldx * ed_tilesize;
10262   y = SY + ed_fieldy * ed_tilesize;
10263
10264   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10265   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10266
10267   // adjust drawing area gadget
10268   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10269                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10270                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10271                GDI_END);
10272
10273   // adjust horizontal scrollbar gadgets
10274   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10275                GDI_Y, y,
10276                GDI_END);
10277   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10278                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10279                GDI_Y, y,
10280                GDI_END);
10281   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10282                GDI_Y, y,
10283                GDI_WIDTH, width,
10284                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10285                GDI_END);
10286
10287   // adjust vertical scrollbar gadgets
10288   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10289                GDI_X, x,
10290                GDI_END);
10291   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10292                GDI_X, x,
10293                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10294                GDI_END);
10295   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10296                GDI_X, x,
10297                GDI_HEIGHT, height,
10298                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10299                GDI_END);
10300 }
10301
10302 static void AdjustLevelScrollPosition(void)
10303 {
10304   if (level_xpos < -1)
10305     level_xpos = -1;
10306   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10307     level_xpos = lev_fieldx - ed_fieldx + 1;
10308   if (lev_fieldx < ed_fieldx - 2)
10309     level_xpos = -1;
10310
10311   if (level_ypos < -1)
10312     level_ypos = -1;
10313   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10314     level_ypos = lev_fieldy - ed_fieldy + 1;
10315   if (lev_fieldy < ed_fieldy - 2)
10316     level_ypos = -1;
10317
10318   if (suppressBorderElement())
10319   {
10320     level_xpos = 0;
10321     level_ypos = 0;
10322   }
10323 }
10324
10325 static void AdjustEditorScrollbar(int id)
10326 {
10327   struct GadgetInfo *gi = level_editor_gadget[id];
10328   int items_max, items_visible, item_position;
10329
10330   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10331   {
10332     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10333     items_visible = ed_fieldx;
10334     item_position = level_xpos + 1;
10335   }
10336   else
10337   {
10338     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10339     items_visible = ed_fieldy;
10340     item_position = level_ypos + 1;
10341   }
10342
10343   if (item_position > items_max - items_visible)
10344     item_position = items_max - items_visible;
10345
10346   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10347                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10348 }
10349
10350 static void AdjustElementListScrollbar(void)
10351 {
10352   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10353   int items_max, items_visible, item_position;
10354
10355   // correct position of element list scrollbar
10356   if (element_shift < 0)
10357     element_shift = 0;
10358   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10359     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10360
10361   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10362   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10363   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10364
10365   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10366                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10367                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10368 }
10369
10370 static void ModifyEditorCounterValue(int counter_id, int new_value)
10371 {
10372   int *counter_value = counterbutton_info[counter_id].value;
10373   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10374   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10375
10376   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10377
10378   if (counter_value != NULL)
10379     *counter_value = gi->textinput.number_value;
10380 }
10381
10382 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10383 {
10384   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10385   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10386
10387   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10388
10389   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10390       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10391   {
10392     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10393     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10394
10395     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10396     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10397                  GDI_END);
10398   }
10399 }
10400
10401 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10402 {
10403   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10404   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10405   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10406
10407   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10408 }
10409
10410 static void ModifyEditorSelectboxOptions(int selectbox_id,
10411                                          struct ValueTextInfo *options)
10412 {
10413   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10414   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10415
10416   selectbox_info[selectbox_id].options = options;
10417
10418   // set index to zero -- list may be shorter now (correct later, if needed)
10419   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10420                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10421 }
10422
10423 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10424 {
10425   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10426   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10427
10428   drawingarea_info[drawingarea_id].area_xsize = xsize;
10429   drawingarea_info[drawingarea_id].area_ysize = ysize;
10430
10431   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10432 }
10433
10434 static void ModifyEditorElementList(void)
10435 {
10436   int i;
10437
10438   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10439     return;
10440
10441   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10442   {
10443     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10444     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10445     struct GadgetDesign *gd = &gi->deco.design;
10446     int element = editor_elements[element_shift + i];
10447     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10448
10449     UnmapGadget(gi);
10450
10451     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10452
10453     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10454
10455     MapGadget(gi);
10456   }
10457 }
10458
10459 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10460 {
10461   int graphic = el2edimg(element);
10462   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10463
10464   if (pos->x == -1 &&
10465       pos->y == -1)
10466     return;
10467
10468   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10469 }
10470
10471 static void ModifyDrawingElementButton(int element, int id)
10472 {
10473   struct GadgetInfo *gi = level_editor_gadget[id];
10474   Bitmap *deco_bitmap;
10475   int deco_x, deco_y;
10476   int tile_size = gi->deco.width;
10477
10478   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10479
10480   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10481 }
10482
10483 static void PickDrawingElement(int button, int element)
10484 {
10485   struct
10486   {
10487     int *new_element;
10488     struct XYTileSize *pos;
10489     int id;
10490   } de, drawing_elements[] =
10491   {
10492     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10493     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10494     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10495   };
10496
10497   if (button < 1 || button > 3)
10498     return;
10499
10500   if (IS_MM_WALL(element))
10501     element = map_mm_wall_element(element);
10502
10503   de = drawing_elements[button - 1];
10504
10505   *de.new_element = element;    // update global drawing element variable
10506
10507   DrawDrawingElementGraphic(element, de.pos);
10508   ModifyDrawingElementButton(element, de.id);
10509
10510   redraw_mask |= REDRAW_DOOR_1;
10511 }
10512
10513 static void RedrawDrawingElements(void)
10514 {
10515   PickDrawingElement(1, new_element1);
10516   PickDrawingElement(2, new_element2);
10517   PickDrawingElement(3, new_element3);
10518 }
10519
10520 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10521 {
10522   stick_element_properties_window = FALSE;
10523
10524   SetMainBackgroundImage(IMG_UNDEFINED);
10525   ClearField();
10526
10527   UnmapLevelEditorFieldGadgets();
10528
10529   AdjustDrawingAreaGadgets();
10530   AdjustLevelScrollPosition();
10531   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10532   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10533
10534   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10535
10536   MapMainDrawingArea();
10537
10538   if (remap_toolbox_gadgets)
10539   {
10540     UnmapLevelEditorToolboxCustomGadgets();
10541     MapLevelEditorToolboxDrawingGadgets();
10542   }
10543 }
10544
10545 static void DrawDrawingWindow(void)
10546 {
10547   DrawDrawingWindowExt(TRUE);
10548 }
10549
10550 static int getTabulatorBarWidth(void)
10551 {
10552   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10553   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10554
10555   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10556 }
10557
10558 static int getTabulatorBarHeight(void)
10559 {
10560   return ED_TAB_BAR_HEIGHT;
10561 }
10562
10563 static Pixel getTabulatorBarColor(void)
10564 {
10565   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10566   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10567   int gd_x = gd->x + gd_gi1->border.width / 2;
10568   int gd_y = gd->y + gd_gi1->height - 1;
10569
10570   return GetPixel(gd->bitmap, gd_x, gd_y);
10571 }
10572
10573 static void DrawLevelConfigTabulatorGadgets(void)
10574 {
10575   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10576   Pixel tab_color = getTabulatorBarColor();
10577   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10578   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10579   int i;
10580
10581   // draw additional "engine" tabulator when using native BD engine
10582   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10583     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10584
10585   for (i = id_first; i <= id_last; i++)
10586   {
10587     int gadget_id = textbutton_info[i].gadget_id;
10588     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10589     boolean active = (i != edit_mode_levelconfig);
10590
10591     // draw background line below tabulator button
10592     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10593
10594     // draw solid line below inactive tabulator buttons
10595     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10596       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10597                     ED_GADGET_TINY_DISTANCE, tab_color);
10598
10599     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10600     MapTextbuttonGadget(i);
10601   }
10602
10603   // draw little border line below tabulator buttons
10604   if (tab_color != BLACK_PIXEL)                 // black => transparent
10605     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10606                   ED_GADGET_TINY_DISTANCE,
10607                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10608 }
10609
10610 static void DrawPropertiesTabulatorGadgets(void)
10611 {
10612   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10613   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10614   int gd_x = gd->x + gd_gi1->border.width / 2;
10615   int gd_y = gd->y + gd_gi1->height - 1;
10616   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10617   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10618   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10619   int i;
10620
10621   // draw two config tabulators for player elements
10622   if (IS_PLAYER_ELEMENT(properties_element))
10623     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10624
10625   // draw two config and one "change" tabulator for custom elements
10626   if (IS_CUSTOM_ELEMENT(properties_element))
10627     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10628
10629   for (i = id_first; i <= id_last; i++)
10630   {
10631     int gadget_id = textbutton_info[i].gadget_id;
10632     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10633     boolean active = (i != edit_mode_properties);
10634
10635     // use "config 1" and "config 2" instead of "config" for players and CEs
10636     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10637         (IS_PLAYER_ELEMENT(properties_element) ||
10638          IS_CUSTOM_ELEMENT(properties_element)))
10639       continue;
10640
10641     // draw background line below tabulator button
10642     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10643
10644     // draw solid line below inactive tabulator buttons
10645     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10646       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10647                     ED_GADGET_TINY_DISTANCE, tab_color);
10648
10649     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10650     MapTextbuttonGadget(i);
10651   }
10652
10653   // draw little border line below tabulator buttons
10654   if (tab_color != BLACK_PIXEL)                 // black => transparent
10655     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10656                   ED_GADGET_TINY_DISTANCE,
10657                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10658 }
10659
10660 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10661 {
10662   DrawText(SX + xpos, SY + ypos, text, font_nr);
10663 }
10664
10665 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10666                                            int xpos, int ypos)
10667 {
10668   int font_width = getFontWidth(font_nr);
10669   int font_height = getFontHeight(font_nr);
10670   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10671   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10672
10673   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10674                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10675                       TRUE, FALSE, FALSE);
10676 }
10677
10678 static void DrawLevelConfigLevel(void)
10679 {
10680   int i;
10681
10682   // draw counter gadgets
10683   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10684     MapCounterButtons(i);
10685
10686   // draw checkbutton gadgets
10687   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10688     MapCheckbuttonGadget(i);
10689
10690   // draw selectbox gadgets
10691   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10692     MapSelectboxGadget(i);
10693
10694   // draw text input gadgets
10695   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10696     MapTextInputGadget(i);
10697 }
10698
10699 static char *getLevelSubdirFromSaveMode(int save_mode)
10700 {
10701   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10702     return getNewUserLevelSubdir();
10703
10704   return leveldir_current->subdir;
10705 }
10706
10707 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10708 {
10709   char *directory_text = "Level set directory:";
10710   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10711   int font1_nr = FONT_TEXT_1;
10712   int font2_nr = FONT_TEXT_2;
10713   int font1_height = getFontHeight(font1_nr);
10714   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10715   int x = ED_LEVEL_SETTINGS_X(0);
10716   int y = ED_LEVEL_SETTINGS_Y(6);
10717
10718   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10719   PrintInfoText(directory_name, font2_nr, x, y);
10720 }
10721
10722 static void DrawLevelConfigLevelSet(void)
10723 {
10724   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10725   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10726   int i;
10727
10728   // draw counter gadgets
10729   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10730     MapCounterButtons(i);
10731
10732   // draw checkbutton gadgets
10733   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10734   {
10735     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10736         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10737         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10738       continue;
10739
10740     MapCheckbuttonGadget(i);
10741   }
10742
10743   // draw selectbox gadgets
10744   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10745     MapSelectboxGadget(i);
10746
10747   // draw text input gadgets
10748   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10749     MapTextInputGadget(i);
10750
10751   // draw textbutton gadgets
10752   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10753
10754   // draw info text
10755   DrawLevelConfigLevelSet_DirectoryInfo();
10756 }
10757
10758 static void DrawLevelConfigEditor(void)
10759 {
10760   int i;
10761
10762   // draw counter gadgets
10763   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10764     MapCounterButtons(i);
10765
10766   // draw checkbutton gadgets
10767   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10768     MapCheckbuttonGadget(i);
10769
10770   // draw radiobutton gadgets
10771   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10772     MapRadiobuttonGadget(i);
10773
10774   // draw drawing area
10775   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10776
10777   // draw textbutton gadgets
10778   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10779 }
10780
10781 static void DrawLevelConfigEngine(void)
10782 {
10783   int i;
10784
10785   // draw counter gadgets
10786   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10787   {
10788     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10789     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10790   }
10791   else
10792   {
10793     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10794     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10795   }
10796
10797   // draw checkbutton gadgets
10798   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10799     MapCheckbuttonGadget(i);
10800
10801   // draw selectbox gadgets
10802   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10803     MapSelectboxGadget(i);
10804 }
10805
10806 static void DrawLevelConfigWindow(void)
10807 {
10808   char *text = "Global Settings";
10809   int font_nr = FONT_TITLE_1;
10810   struct MenuPosInfo *pos = &editor.settings.headline;
10811   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10812   int sy = SY + pos->y;
10813
10814   stick_element_properties_window = FALSE;
10815
10816   SetAutomaticNumberOfGemsNeeded();
10817
10818   UnmapLevelEditorFieldGadgets();
10819
10820   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10821   ClearField();
10822
10823   DrawText(sx, sy, text, font_nr);
10824
10825   DrawLevelConfigTabulatorGadgets();
10826
10827   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10828     DrawLevelConfigLevel();
10829   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10830     DrawLevelConfigLevelSet();
10831   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10832     DrawLevelConfigEditor();
10833   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10834     DrawLevelConfigEngine();
10835 }
10836
10837 static void DrawCustomContentArea(void)
10838 {
10839   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10840   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10841   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10842   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10843   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10844   int xoffset = ED_GADGET_SPACE_DISTANCE;
10845
10846   // add distance for potential left text (without drawing area border)
10847   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10848
10849   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10850
10851   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10852 }
10853
10854 static void DrawCustomChangeContentArea(void)
10855 {
10856   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10857   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10858   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10859   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10860   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10861   int xoffset = ED_GADGET_SPACE_DISTANCE;
10862
10863   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10864
10865   MapDrawingArea(id);
10866 }
10867
10868 static void RemoveElementContentArea(int id, int font_height)
10869 {
10870   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10871
10872   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10873                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10874                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10875                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10876                  ED_GADGET_TEXT_DISTANCE + font_height);
10877 }
10878
10879 static void DrawYamYamContentAreas(void)
10880 {
10881   int font_nr = FONT_TEXT_1;
10882   int font_height = getFontHeight(font_nr);
10883   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10884   int yoffset = (tilesize - font_height) / 2;
10885   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10886   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10887   int i;
10888
10889   // display counter to choose number of element content areas
10890   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10891
10892   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10893   {
10894     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10895
10896     if (i < level.num_yamyam_contents)
10897     {
10898       MapDrawingArea(id);
10899     }
10900     else
10901     {
10902       UnmapDrawingArea(id);
10903
10904       // delete content areas in case of reducing number of them
10905       RemoveElementContentArea(id, font_height);
10906     }
10907   }
10908
10909   DrawText(x, y + 0 * tilesize, "content", font_nr);
10910   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10911   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10912 }
10913
10914 static void DrawMagicBallContentAreas(void)
10915 {
10916   int font_nr = FONT_TEXT_1;
10917   int font_height = getFontHeight(font_nr);
10918   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10919   int yoffset = (tilesize - font_height) / 2;
10920   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10921   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10922   int i;
10923
10924   // display counter to choose number of element content areas
10925   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10926
10927   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10928   {
10929     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10930
10931     if (i < level.num_ball_contents)
10932     {
10933       MapDrawingArea(id);
10934     }
10935     else
10936     {
10937       UnmapDrawingArea(id);
10938
10939       // delete content areas in case of reducing number of them
10940       RemoveElementContentArea(id, font_height);
10941     }
10942   }
10943
10944   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10945   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10946   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10947 }
10948
10949 static void DrawAndroidElementArea(void)
10950 {
10951   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10952   int num_elements = level.num_android_clone_elements;
10953   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10954   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10955   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10956   int xsize = MAX_ANDROID_ELEMENTS;
10957   int ysize = 1;
10958
10959   // display counter to choose number of element areas
10960   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10961
10962   if (drawingarea_info[id].text_left != NULL)
10963     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10964
10965   UnmapDrawingArea(id);
10966
10967   ModifyEditorDrawingArea(id, num_elements, 1);
10968
10969   // delete content areas in case of reducing number of them
10970   DrawBackground(sx, sy,
10971                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10972                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10973
10974   MapDrawingArea(id);
10975 }
10976
10977 static void DrawGroupElementArea(void)
10978 {
10979   int id = ED_DRAWING_ID_GROUP_CONTENT;
10980   int num_elements = group_element_info.num_elements;
10981   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10982   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10983   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10984   int xsize = MAX_ELEMENTS_IN_GROUP;
10985   int ysize = 1;
10986
10987   if (drawingarea_info[id].text_left != NULL)
10988     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10989
10990   UnmapDrawingArea(id);
10991
10992   ModifyEditorDrawingArea(id, num_elements, 1);
10993
10994   // delete content areas in case of reducing number of them
10995   DrawBackground(sx, sy,
10996                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10997                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10998
10999   MapDrawingArea(id);
11000 }
11001
11002 static void DrawPlayerInitialInventoryArea(int element)
11003 {
11004   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11005   int player_nr = GET_PLAYER_NR(element);
11006   int num_elements = level.initial_inventory_size[player_nr];
11007   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11008   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11009   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11010   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11011   int ysize = 1;
11012
11013   // determine horizontal position to the right of specified gadget
11014   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11015     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11016           ED_DRAWINGAREA_TEXT_DISTANCE);
11017
11018   // determine horizontal offset for leading text
11019   if (drawingarea_info[id].text_left != NULL)
11020     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11021
11022   UnmapDrawingArea(id);
11023
11024   ModifyEditorDrawingArea(id, num_elements, 1);
11025
11026   // delete content areas in case of reducing number of them
11027   DrawBackground(sx, sy,
11028                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11029                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11030
11031   MapDrawingArea(id);
11032 }
11033
11034 static void DrawMMBallContentArea(void)
11035 {
11036   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11037   int num_elements = level.num_mm_ball_contents;
11038   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11039   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11040   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11041   int xsize = MAX_MM_BALL_CONTENTS;
11042   int ysize = 1;
11043
11044   if (drawingarea_info[id].text_left != NULL)
11045     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11046
11047   UnmapDrawingArea(id);
11048
11049   ModifyEditorDrawingArea(id, num_elements, 1);
11050
11051   // delete content areas in case of reducing number of them
11052   DrawBackground(sx, sy,
11053                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11054                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11055
11056   MapDrawingArea(id);
11057 }
11058
11059 static void DrawEnvelopeTextArea(int envelope_nr)
11060 {
11061   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11062   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11063
11064   UnmapGadget(gi);
11065
11066   DrawBackground(gi->x, gi->y,
11067                  gi->textarea.crop_width, gi->textarea.crop_height);
11068
11069   if (envelope_nr != -1)
11070     textarea_info[id].value = level.envelope[envelope_nr].text;
11071
11072   ModifyGadget(gi, GDI_AREA_SIZE,
11073                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11074                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11075                GDI_END);
11076
11077   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11078 }
11079
11080 static void DrawPropertiesInfo(void)
11081 {
11082   static struct
11083   {
11084     int value;
11085     char *text;
11086   }
11087   properties[] =
11088   {
11089     // configurable properties
11090
11091     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11092     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11093     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11094     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11095     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11096     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11097     { EP_PROTECTED,             "- player is protected by it"           },
11098
11099     { EP_DIGGABLE,              "- can be digged away"                  },
11100     { EP_COLLECTIBLE,           "- can be collected"                    },
11101     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11102     { EP_THROWABLE,             "- can be thrown after collecting"      },
11103     { EP_PUSHABLE,              "- can be pushed"                       },
11104
11105     { EP_CAN_FALL,              "- can fall"                            },
11106     { EP_CAN_MOVE,              "- can move"                            },
11107
11108     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11109 #if 0
11110     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11111 #endif
11112     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11113
11114     { EP_SLIPPERY,              "- slippery for falling elements"       },
11115     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11116
11117     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11118     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11119     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11120     { EP_DONT_TOUCH,            "- deadly when touching"                },
11121
11122     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11123
11124     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11125     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11126     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11127
11128     { EP_CAN_CHANGE,            "- can change to other element"         },
11129
11130     // pre-defined properties
11131     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11132     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11133     { EP_SWITCHABLE,            "- can be switched"                     },
11134 #if 0
11135     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11136 #endif
11137
11138     { -1,                       NULL                                    }
11139   };
11140   char *filename = getElementDescriptionFilename(properties_element);
11141   char *num_elements_text = "In this level: ";
11142   char *num_similar_text = "Similar tiles: ";
11143   char *properties_text = "Standard properties: ";
11144   char *description_text = "Description:";
11145   char *no_description_text = "No description available.";
11146   char *none_text = "None";
11147   float percentage;
11148   int num_elements_in_level = 0;
11149   int num_similar_in_level = 0;
11150   int num_hires_tiles_in_level = 0;
11151   int num_standard_properties = 0;
11152   int font1_nr = FONT_TEXT_1;
11153   int font2_nr = FONT_TEXT_2;
11154   int font1_width = getFontWidth(font1_nr);
11155   int font1_height = getFontHeight(font1_nr);
11156   int font2_height = getFontHeight(font2_nr);
11157   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11158   int font2_yoffset = (font1_height - font2_height) / 2;
11159   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11160   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11161   int properties_text_len = strlen(properties_text) * font1_width;
11162   int xpos = ED_ELEMENT_SETTINGS_X(0);
11163   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11164   int i, x, y;
11165
11166   if (setup.editor.show_element_token)
11167   {
11168     int font3_nr = FONT_TEXT_3;
11169     int font3_height = getFontHeight(font3_nr);
11170
11171     DrawTextF(xpos, ypos, font3_nr,
11172               "[%s]", element_info[properties_element].token_name);
11173
11174     ypos += 2 * font3_height;
11175   }
11176
11177   // ----- print number of elements / percentage of this element in level
11178
11179   for (y = 0; y < lev_fieldy; y++)
11180   {
11181     for (x = 0; x < lev_fieldx; x++)
11182     {
11183       if (Tile[x][y] == properties_element)
11184       {
11185         num_elements_in_level++;
11186       }
11187       else if (IS_MM_WALL(Tile[x][y]) &&
11188                map_mm_wall_element(Tile[x][y]) == properties_element)
11189       {
11190         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11191       }
11192     }
11193   }
11194
11195   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11196
11197   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11198
11199   if (num_hires_tiles_in_level > 0)
11200     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11201               "%d wall tiles", num_hires_tiles_in_level);
11202   else if (num_elements_in_level > 0)
11203     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11204               "%d (%.2f %%)", num_elements_in_level, percentage);
11205   else
11206     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11207               none_text);
11208
11209   // ----- print number of similar elements / percentage of them in level
11210
11211   for (y = 0; y < lev_fieldy; y++)
11212   {
11213     for (x = 0; x < lev_fieldx; x++)
11214     {
11215       if (strEqual(element_info[Tile[x][y]].class_name,
11216                    element_info[properties_element].class_name))
11217       {
11218         num_similar_in_level++;
11219       }
11220     }
11221   }
11222
11223   if (num_similar_in_level != num_elements_in_level)
11224   {
11225     ypos += 1 * MAX(font1_height, font2_height);
11226
11227     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11228
11229     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11230
11231     if (num_similar_in_level > 0)
11232       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11233                 "%d (%.2f %%)", num_similar_in_level, percentage);
11234     else
11235       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11236                 none_text);
11237   }
11238
11239   ypos += 2 * MAX(font1_height, font2_height);
11240
11241   // ----- print standard properties of this element
11242
11243   DrawTextS(xpos, ypos, font1_nr, properties_text);
11244
11245   ypos += line1_height;
11246
11247   for (i = 0; properties[i].value != -1; i++)
11248   {
11249     if (!HAS_PROPERTY(properties_element, properties[i].value))
11250       continue;
11251
11252     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11253
11254     ypos += font2_height;
11255
11256     num_standard_properties++;
11257   }
11258
11259   if (num_standard_properties == 0)
11260   {
11261     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11262               font2_nr, none_text);
11263
11264     ypos -= (line1_height - font1_height);
11265   }
11266
11267   ypos += MAX(font1_height, font2_height);
11268
11269   // ----- print special description of this element
11270
11271   PrintInfoText(description_text, font1_nr, xpos, ypos);
11272
11273   ypos += line1_height;
11274
11275   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11276     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11277 }
11278
11279 #define TEXT_COLLECTING                 "Score for collecting"
11280 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11281 #define TEXT_SMASHING                   "Score for smashing"
11282 #define TEXT_SLURPING                   "Score for slurping robot"
11283 #define TEXT_CRACKING                   "Score for cracking"
11284 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11285 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11286 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11287 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11288 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11289 #define TEXT_DURATION                   "Duration when activated"
11290 #define TEXT_DELAY_ON                   "Delay before activating"
11291 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11292 #define TEXT_DELAY_CHANGING             "Delay before changing"
11293 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11294 #define TEXT_DELAY_MOVING               "Delay before moving"
11295 #define TEXT_BALL_DELAY                 "Element generation delay"
11296 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11297 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11298 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11299 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11300 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11301 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11302 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11303 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11304 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11305 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11306 #define TEXT_RANDOM_SEED                "slime random number seed"
11307 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11308 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11309 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11310 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11311 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11312 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11313 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11314
11315 static struct
11316 {
11317   int element;
11318   int *value;
11319   char *text;
11320   int min_value;
11321   int max_value;
11322 } elements_with_counter[] =
11323 {
11324   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11325   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11326   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11327   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11328   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11329   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11330   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11331   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11332   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11333   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11334   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11335   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11336   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11337   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11338   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11339   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11340   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11341   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11342   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11343   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11344   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11345   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11346   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11347   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11348   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11349   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11350   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11351   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11352   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11353   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11354   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11355   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11356   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11357   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11358   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11359   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11360   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11361   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11362   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11363   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11364   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11365   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11366   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11367   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11368   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11369   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11370   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11371   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11372   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11373   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11374   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11375   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11376   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11377   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11378   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11379   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11380   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11381   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11382   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11383   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11384   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11385   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11386   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11387   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11388   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11389   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11390   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11391   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11392   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11393   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11394   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11395   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11396   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11397   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11398   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11399   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11400   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11401   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11402   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11403   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11404   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11405   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11406   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11407                                 0, 100                                                          },
11408   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11409                                 0, 100                                                          },
11410   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11411   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11412   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11413                                 0, 100                                                          },
11414   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11415                                 0, 100                                                          },
11416   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11417   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11418   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11419   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11420   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11421   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11422   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11423   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11424   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11425   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11426   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11427                                 -100, 100                                                       },
11428   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11429                                 0, 100                                                          },
11430   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11431                                 0, 100                                                          },
11432   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11433                                 0, 255                                                          },
11434   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11435                                 -1, 65535                                                       },
11436   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11437                                 0, 100                                                          },
11438   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11439                                 0, 3                                                            },
11440   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11441                                 0, 3                                                            },
11442   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11443                                 0, 3                                                            },
11444   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11445                                 0, 3                                                            },
11446   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11447                                 0, 3                                                            },
11448   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11449                                 0, 100                                                          },
11450   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11451                                 1, 100                                                          },
11452   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11453                                 1, 200                                                          },
11454   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11455                                 0, 50                                                           },
11456   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11457                                 0, 50                                                           },
11458   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11459                                 0, 10                                                           },
11460   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11461   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11462   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11463   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11464   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11465   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11466   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11467   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11468   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11469   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11470   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11471   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11472   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11473   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11474   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11475   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11476   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11477   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11478   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11479   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11480   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11481   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11482   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11483   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11484   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11485
11486   { -1,                         NULL,                                   NULL                    }
11487 };
11488
11489 static boolean checkPropertiesConfig(int element)
11490 {
11491   int i;
11492
11493   // special case: empty space customization only available in R'n'D game engine
11494   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11495     return FALSE;
11496
11497   // special case: BD style rock customization only available in BD game engine
11498   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11499     return FALSE;
11500
11501   if (IS_GEM(element) ||
11502       IS_CUSTOM_ELEMENT(element) ||
11503       IS_GROUP_ELEMENT(element) ||
11504       IS_EMPTY_ELEMENT(element) ||
11505       IS_BALLOON_ELEMENT(element) ||
11506       IS_ENVELOPE(element) ||
11507       IS_MM_ENVELOPE(element) ||
11508       IS_MM_MCDUFFIN(element) ||
11509       IS_DF_LASER(element) ||
11510       IS_PLAYER_ELEMENT(element) ||
11511       IS_BD_PLAYER_ELEMENT(element) ||
11512       IS_BD_EXPANDABLE_WALL(properties_element) ||
11513       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11514       IS_BD_CONVEYOR_BELT(properties_element) ||
11515       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11516       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11517       HAS_EDITOR_CONTENT(element) ||
11518       CAN_GROW(element) ||
11519       COULD_MOVE_INTO_ACID(element) ||
11520       MAYBE_DONT_COLLIDE_WITH(element) ||
11521       element == EL_BD_ROCK ||
11522       element == EL_BD_MEGA_ROCK ||
11523       element == EL_BD_SWEET ||
11524       element == EL_BD_VOODOO_DOLL ||
11525       element == EL_BD_WATER)
11526   {
11527     return TRUE;
11528   }
11529   else
11530   {
11531     for (i = 0; elements_with_counter[i].element != -1; i++)
11532       if (elements_with_counter[i].element == element)
11533         return TRUE;
11534   }
11535
11536   return FALSE;
11537 }
11538
11539 static void SetAutomaticNumberOfGemsNeeded(void)
11540 {
11541   int x, y;
11542
11543   if (!level.auto_count_gems)
11544     return;
11545
11546   level.gems_needed = 0;
11547
11548   for (x = 0; x < lev_fieldx; x++)
11549   {
11550     for (y = 0; y < lev_fieldy; y++)
11551     {
11552       int element = Tile[x][y];
11553
11554       switch (element)
11555       {
11556         case EL_EMERALD:
11557         case EL_EMERALD_YELLOW:
11558         case EL_EMERALD_RED:
11559         case EL_EMERALD_PURPLE:
11560         case EL_BD_DIAMOND:
11561         case EL_WALL_EMERALD:
11562         case EL_WALL_EMERALD_YELLOW:
11563         case EL_WALL_EMERALD_RED:
11564         case EL_WALL_EMERALD_PURPLE:
11565         case EL_WALL_BD_DIAMOND:
11566         case EL_NUT:
11567         case EL_SP_INFOTRON:
11568         case EL_MM_KETTLE:
11569         case EL_DF_CELL:
11570           level.gems_needed++;
11571           break;
11572
11573         case EL_DIAMOND:
11574         case EL_WALL_DIAMOND:
11575           level.gems_needed += 3;
11576           break;
11577
11578         case EL_PEARL:
11579         case EL_WALL_PEARL:
11580           level.gems_needed += 5;
11581           break;
11582
11583         case EL_CRYSTAL:
11584         case EL_WALL_CRYSTAL:
11585           level.gems_needed += 8;
11586           break;
11587
11588         default:
11589           break;
11590       }
11591     }
11592   }
11593
11594   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11595 }
11596
11597 static void DrawPropertiesConfig(void)
11598 {
11599   boolean draw_footer_line = FALSE;
11600   int max_num_element_counters = 4;
11601   int num_element_counters = 0;
11602   int i;
11603
11604   if (!checkPropertiesConfig(properties_element))
11605   {
11606     int xpos = ED_ELEMENT_SETTINGS_X(0);
11607     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11608
11609     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11610
11611     return;
11612   }
11613
11614   // check if there are elements where a value can be chosen for
11615   for (i = 0; elements_with_counter[i].element != -1; i++)
11616   {
11617     if (elements_with_counter[i].element != properties_element)
11618       continue;
11619
11620     // special case: score for extra diamonds only available in BD game engine
11621     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11622         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11623         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11624       continue;
11625
11626     // special case: some amoeba counters only available in BD game engine
11627     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11628         elements_with_counter[i].value != &level.amoeba_speed &&
11629         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11630       continue;
11631
11632     // special case: some amoeba counters only available in R'n'D game engine
11633     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11634         elements_with_counter[i].value == &level.amoeba_speed &&
11635         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11636       continue;
11637
11638     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11639
11640     counterbutton_info[counter_id].y =
11641       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11642                                (CAN_GROW(properties_element)                ? 1 : 0) +
11643                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11644                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11645                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11646                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11647                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11648                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11649                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11650                                num_element_counters);
11651
11652     // special case: set magic wall counter for BD game engine separately
11653     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11654       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11655
11656     // special case: set amoeba counters for BD game engine separately
11657     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11658         (properties_element == EL_BD_AMOEBA_2))
11659       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11660
11661     // special case: set position for delay counter for reappearing hammered walls
11662     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
11663       counterbutton_info[counter_id].y += 1;
11664
11665     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11666     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11667     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11668     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11669
11670     // default: counter values between 0 and 999
11671     if (counterbutton_info[counter_id].max_value == 0)
11672       counterbutton_info[counter_id].max_value = 999;
11673
11674     MapCounterButtons(counter_id);
11675
11676     num_element_counters++;
11677     if (num_element_counters >= max_num_element_counters)
11678       break;
11679   }
11680
11681   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11682   {
11683     // draw stickybutton gadget
11684     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11685
11686     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11687     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11688
11689     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11690     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11691     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11692     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11693     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11694     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11695     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11696   }
11697
11698   if (HAS_EDITOR_CONTENT(properties_element))
11699   {
11700     // draw stickybutton gadget
11701     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11702
11703     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11704     {
11705       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11706       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11707
11708       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11709       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11710     }
11711     else if (properties_element == EL_BD_AMOEBA_2)
11712     {
11713       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11714       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11715       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11716
11717       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11718       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11719       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11720       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11721     }
11722     else if (IS_AMOEBOID(properties_element))
11723       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11724     else if (properties_element == EL_BD_ACID)
11725     {
11726       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11727       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11728     }
11729     else if (IS_BD_BITER(properties_element))
11730     {
11731       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11732     }
11733     else if (properties_element == EL_BD_BLADDER)
11734     {
11735       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11736     }
11737     else if (properties_element == EL_YAMYAM ||
11738              properties_element == EL_YAMYAM_LEFT ||
11739              properties_element == EL_YAMYAM_RIGHT ||
11740              properties_element == EL_YAMYAM_UP ||
11741              properties_element == EL_YAMYAM_DOWN)
11742       DrawYamYamContentAreas();
11743     else if (properties_element == EL_EMC_MAGIC_BALL)
11744     {
11745       DrawMagicBallContentAreas();
11746
11747       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11748       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11749     }
11750     else if (properties_element == EL_EMC_ANDROID)
11751       DrawAndroidElementArea();
11752     else if (properties_element == EL_MM_GRAY_BALL)
11753     {
11754       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11755       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11756       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11757       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11758
11759       DrawMMBallContentArea();
11760     }
11761   }
11762
11763   if (IS_PLAYER_ELEMENT(properties_element))
11764   {
11765     int player_nr = GET_PLAYER_NR(properties_element);
11766
11767     // these properties can be set for every player individually
11768
11769     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11770     {
11771       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11772         &level.start_element[player_nr];
11773       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11774         &level.artwork_element[player_nr];
11775       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11776         &level.explosion_element[player_nr];
11777
11778       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11779         &level.use_start_element[player_nr];
11780       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11781         &level.use_artwork_element[player_nr];
11782       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11783         &level.use_explosion_element[player_nr];
11784       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11785         &level.initial_player_gravity[player_nr];
11786
11787       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11788         &level.initial_player_stepsize[player_nr];
11789
11790       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11791       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11792                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11793                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11794       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11795       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11796       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11797       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11798       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11799       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11800       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11801       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11802       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11803       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11804       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11805
11806       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11807       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11808       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11809
11810       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11811     }
11812     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11813     {
11814       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11815         &level.initial_inventory_content[player_nr][0];
11816
11817       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11818         &level.initial_inventory_size[player_nr];
11819
11820       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11821         &level.use_initial_inventory[player_nr];
11822
11823       // draw checkbutton gadgets
11824       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11825       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11826       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11827
11828       // draw counter gadgets
11829       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11830
11831       // draw drawing area gadgets
11832       DrawPlayerInitialInventoryArea(properties_element);
11833     }
11834   }
11835
11836   if (IS_BD_PLAYER_ELEMENT(properties_element))
11837   {
11838     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11839       ED_ELEMENT_SETTINGS_YPOS(2);
11840     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11841       ED_ELEMENT_SETTINGS_YPOS(3);
11842     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11843       ED_ELEMENT_SETTINGS_YPOS(4);
11844
11845     // draw checkbutton gadgets
11846     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11847     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11848     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11849
11850     // draw counter gadgets
11851     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11852     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11853
11854     // draw drawing area gadgets
11855     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11856   }
11857
11858   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11859   {
11860     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11861       ED_ELEMENT_SETTINGS_YPOS(0);
11862     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11863       ED_ELEMENT_SETTINGS_YPOS(1);
11864
11865     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11866     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11867   }
11868
11869   if (properties_element == EL_BD_MEGA_ROCK ||
11870       properties_element == EL_BD_SWEET)
11871   {
11872     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11873       ED_ELEMENT_SETTINGS_YPOS(0);
11874     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11875       ED_ELEMENT_SETTINGS_YPOS(1);
11876
11877     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11878     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11879   }
11880
11881   if (properties_element == EL_BD_VOODOO_DOLL)
11882   {
11883     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11884     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11885     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11886     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11887   }
11888
11889   if (properties_element == EL_BD_SLIME)
11890   {
11891     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11892
11893     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
11894     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
11895     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
11896     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
11897     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
11898     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
11899   }
11900
11901   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
11902       IS_BD_EXPANDABLE_STEELWALL(properties_element))
11903   {
11904     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11905
11906     if (IS_BD_EXPANDABLE_WALL(properties_element))
11907       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
11908   }
11909
11910   if (properties_element == EL_BD_REPLICATOR)
11911   {
11912     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11913   }
11914
11915   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11916       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11917   {
11918     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11919     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11920   }
11921
11922   if (properties_element == EL_BD_WATER)
11923   {
11924     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11925   }
11926
11927   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
11928   {
11929     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
11930   }
11931
11932   if (properties_element == EL_BD_NUT)
11933   {
11934     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
11935   }
11936
11937   // special case: slippery walls option for gems only available in R'n'D game engine
11938   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11939     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11940
11941   if (properties_element == EL_EM_DYNAMITE)
11942     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11943
11944   if (COULD_MOVE_INTO_ACID(properties_element) &&
11945       !IS_PLAYER_ELEMENT(properties_element) &&
11946       (!IS_CUSTOM_ELEMENT(properties_element) ||
11947        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11948   {
11949     // set position for checkbutton for "can move into acid"
11950     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11951       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11952     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11953       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11954                                IS_BALLOON_ELEMENT(properties_element) ||
11955                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11956
11957     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11958   }
11959
11960   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11961     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11962
11963   if (properties_element == EL_SPRING ||
11964       properties_element == EL_SPRING_LEFT ||
11965       properties_element == EL_SPRING_RIGHT)
11966     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11967
11968   if (properties_element == EL_TIME_ORB_FULL)
11969     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11970
11971   if (properties_element == EL_GAME_OF_LIFE ||
11972       properties_element == EL_BIOMAZE)
11973     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11974
11975   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11976   {
11977     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11978       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11979
11980     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11981   }
11982
11983   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11984     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11985
11986   if (properties_element == EL_SOKOBAN_OBJECT)
11987     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11988
11989   if (properties_element == EL_SOKOBAN_OBJECT ||
11990       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11991       properties_element == EL_SOKOBAN_FIELD_FULL)
11992   {
11993     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11994       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11995                                0 : 1);
11996
11997     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11998   }
11999
12000   if (IS_BALLOON_ELEMENT(properties_element))
12001     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12002
12003   if (IS_ENVELOPE(properties_element) ||
12004       IS_MM_ENVELOPE(properties_element))
12005   {
12006     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12007     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12008     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12009     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12010     int envelope_nr = ENVELOPE_NR(properties_element);
12011
12012     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12013     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12014
12015     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12016     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12017
12018     // display counter to choose size of envelope text area
12019     MapCounterButtons(counter1_id);
12020     MapCounterButtons(counter2_id);
12021
12022     // display checkbuttons to choose auto-wrap and alignment properties
12023     MapCheckbuttonGadget(button1_id);
12024     MapCheckbuttonGadget(button2_id);
12025
12026     DrawEnvelopeTextArea(envelope_nr);
12027   }
12028
12029   if (IS_MM_MCDUFFIN(properties_element))
12030   {
12031     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12032     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12033     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12034   }
12035
12036   if (IS_DF_LASER(properties_element))
12037   {
12038     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12039     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12040     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12041   }
12042
12043   if (IS_CUSTOM_ELEMENT(properties_element))
12044   {
12045     // draw stickybutton gadget
12046     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12047
12048     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12049     {
12050       // draw checkbutton gadgets
12051       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12052            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12053         MapCheckbuttonGadget(i);
12054
12055       // draw counter gadgets
12056       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12057            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12058         MapCounterButtons(i);
12059
12060       // draw selectbox gadgets
12061       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12062            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12063         MapSelectboxGadget(i);
12064
12065       // draw textbutton gadgets
12066       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12067
12068       // draw text input gadgets
12069       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12070
12071       // draw drawing area gadgets
12072       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12073
12074       draw_footer_line = TRUE;
12075     }
12076     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12077     {
12078       // draw checkbutton gadgets
12079       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12080            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12081         MapCheckbuttonGadget(i);
12082
12083       // draw counter gadgets
12084       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12085            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12086         MapCounterButtons(i);
12087
12088       // draw selectbox gadgets
12089       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12090            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12091         MapSelectboxGadget(i);
12092
12093       // draw drawing area gadgets
12094       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12095       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12096       DrawCustomContentArea();
12097     }
12098   }
12099   else if (IS_GROUP_ELEMENT(properties_element))
12100   {
12101     // draw stickybutton gadget
12102     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12103
12104     // draw checkbutton gadgets
12105     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12106     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12107
12108     // draw counter gadgets
12109     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12110
12111     // draw selectbox gadgets
12112     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12113
12114     // draw textbutton gadgets
12115     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12116
12117     // draw drawing area gadgets
12118     DrawGroupElementArea();
12119
12120     // draw text input gadgets
12121     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12122
12123     // draw drawing area gadgets
12124     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12125
12126     draw_footer_line = TRUE;
12127   }
12128   else if (IS_EMPTY_ELEMENT(properties_element))
12129   {
12130     // draw stickybutton gadget
12131     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12132
12133     // draw checkbutton gadgets
12134     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12135     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12136
12137     // draw textbutton gadgets
12138     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12139
12140     // draw drawing area gadgets
12141     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12142
12143     draw_footer_line = TRUE;
12144   }
12145
12146   // draw little footer border line above CE/GE use/save template gadgets
12147   if (draw_footer_line)
12148   {
12149     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12150     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12151     int gd_x = gd->x + gd_gi1->border.width / 2;
12152     int gd_y = gd->y + gd_gi1->height - 1;
12153     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12154
12155     if (tab_color != BLACK_PIXEL)               // black => transparent
12156       FillRectangle(drawto,
12157                     SX + ED_ELEMENT_SETTINGS_X(0),
12158                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12159                     ED_TAB_BAR_HEIGHT,
12160                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12161   }
12162 }
12163
12164 static void DrawPropertiesChangeDrawingAreas(void)
12165 {
12166   if (IS_CUSTOM_ELEMENT(properties_element))
12167   {
12168     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12169     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12170     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12171
12172     DrawCustomChangeContentArea();
12173   }
12174
12175   redraw_mask |= REDRAW_FIELD;
12176 }
12177
12178 static void DrawPropertiesChange(void)
12179 {
12180   int i;
12181
12182   // needed to initially set selectbox options for special action options
12183   setSelectboxSpecialActionOptions();
12184
12185   // draw stickybutton gadget
12186   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12187
12188   // draw checkbutton gadgets
12189   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12190        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12191     MapCheckbuttonGadget(i);
12192
12193   // draw counter gadgets
12194   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12195        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12196     MapCounterButtons(i);
12197
12198   // draw selectbox gadgets
12199   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12200        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12201     MapSelectboxGadget(i);
12202
12203   // draw textbutton gadgets
12204   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12205        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12206     MapTextbuttonGadget(i);
12207
12208   // draw graphicbutton gadgets
12209   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12210        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12211     MapGraphicbuttonGadget(i);
12212
12213   // draw drawing area gadgets
12214   DrawPropertiesChangeDrawingAreas();
12215 }
12216
12217 static void DrawEditorElementAnimation(int x, int y)
12218 {
12219   int graphic;
12220   int frame;
12221
12222   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12223
12224   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12225 }
12226
12227 static void DrawEditorElementName(int x, int y, int font_nr)
12228 {
12229   char *element_name = getElementInfoText(properties_element);
12230   int font_width = getFontWidth(font_nr);
12231   int font_height = getFontHeight(font_nr);
12232   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12233   int max_chars_per_line = max_text_width / font_width;
12234
12235   if (strlen(element_name) <= max_chars_per_line)
12236     DrawTextS(x, y, font_nr, element_name);
12237   else
12238   {
12239     char buffer[max_chars_per_line + 1];
12240     int next_pos = max_chars_per_line;
12241
12242     strncpy(buffer, element_name, max_chars_per_line);
12243     buffer[max_chars_per_line] = '\0';
12244
12245     if (element_name[max_chars_per_line] == ' ')
12246       next_pos++;
12247     else
12248     {
12249       int i;
12250
12251       for (i = max_chars_per_line - 1; i >= 0; i--)
12252         if (buffer[i] == ' ')
12253           break;
12254
12255       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12256       {
12257         buffer[i] = '\0';
12258         next_pos = i + 1;
12259       }
12260     }
12261
12262     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12263
12264     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12265     buffer[max_chars_per_line] = '\0';
12266
12267     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12268   }
12269 }
12270
12271 static void DrawPropertiesWindow(void)
12272 {
12273   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12274   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12275   int border_size = gd->border_size;
12276   int font_nr = FONT_TEXT_1;
12277   int font_height = getFontHeight(font_nr);
12278   int xoffset = TILEX + element_border + 3 * border_size;
12279   int yoffset = (TILEY - font_height) / 2;
12280   int x1 = editor.settings.element_graphic.x + element_border;
12281   int y1 = editor.settings.element_graphic.y + element_border;
12282   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12283             editor.settings.element_name.x);
12284   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12285             editor.settings.element_name.y);
12286   char *text = "Element Settings";
12287   int font2_nr = FONT_TITLE_1;
12288   struct MenuPosInfo *pos = &editor.settings.headline;
12289   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12290   int sy = SY + pos->y;
12291
12292   stick_element_properties_window = FALSE;
12293
12294   // make sure that previous properties edit mode exists for this element
12295   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12296       !IS_CUSTOM_ELEMENT(properties_element))
12297     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12298
12299   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12300       !IS_PLAYER_ELEMENT(properties_element) &&
12301       !IS_CUSTOM_ELEMENT(properties_element))
12302     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12303
12304   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12305       (IS_PLAYER_ELEMENT(properties_element) ||
12306        IS_CUSTOM_ELEMENT(properties_element)))
12307     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12308
12309   CopyElementPropertiesToEditor(properties_element);
12310
12311   UnmapLevelEditorFieldGadgets();
12312   UnmapLevelEditorToolboxDrawingGadgets();
12313   UnmapLevelEditorToolboxCustomGadgets();
12314
12315   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12316
12317   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12318   ClearField();
12319
12320   DrawText(sx, sy, text, font2_nr);
12321
12322   FrameCounter = 0;     // restart animation frame counter
12323
12324   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12325   DrawEditorElementAnimation(SX + x1, SY + y1);
12326   DrawEditorElementName(x2, y2, font_nr);
12327
12328   DrawPropertiesTabulatorGadgets();
12329
12330   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12331     DrawPropertiesInfo();
12332   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12333     DrawPropertiesChange();
12334   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12335     DrawPropertiesConfig();
12336 }
12337
12338 static void DrawPaletteWindow(void)
12339 {
12340   int i;
12341
12342   UnmapLevelEditorFieldGadgets();
12343
12344   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12345   ClearField();
12346
12347   // map buttons to select elements
12348   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12349     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12350   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12351   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12352   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12353 }
12354
12355 static void UpdateCustomElementGraphicGadgets(void)
12356 {
12357   int i;
12358
12359   InitElementPropertiesGfxElement();
12360
12361   ModifyEditorElementList();
12362   RedrawDrawingElements();
12363
12364   // force redraw of all mapped drawing area gadgets
12365   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12366   {
12367     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12368
12369     if (gi->mapped)
12370       MapDrawingArea(i);
12371   }
12372 }
12373
12374 static int getOpenDirectionFromTube(int element)
12375 {
12376   switch (element)
12377   {
12378     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12379     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12380     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12381     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12382     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12383     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12384     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12385     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12386     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12387     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12388     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12389   }
12390
12391   return MV_NONE;
12392 }
12393
12394 static int getTubeFromOpenDirection(int direction)
12395 {
12396   switch (direction)
12397   {
12398     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12399     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12400     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12401     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12402     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12403     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12404     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12405     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12406     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12407     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12408     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12409
12410     // if only one direction, fall back to simple tube with that direction
12411     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12412     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12413     case (MV_UP):                       return EL_TUBE_VERTICAL;
12414     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12415   }
12416
12417   return EL_EMPTY;
12418 }
12419
12420 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12421 {
12422   int element_new = getTubeFromOpenDirection(direction);
12423
12424   return (element_new != EL_EMPTY ? element_new : element_old);
12425 }
12426
12427 static int getOpenDirectionFromBelt(int element)
12428 {
12429   int belt_dir = getBeltDirFromBeltElement(element);
12430
12431   return (belt_dir == MV_LEFT ? MV_RIGHT :
12432           belt_dir == MV_RIGHT ? MV_LEFT :
12433           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12434 }
12435
12436 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12437 {
12438   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12439                   direction == MV_RIGHT ? MV_LEFT :
12440                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12441
12442   if (direction == MV_NONE)
12443     return EL_EMPTY;
12444
12445   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12446 }
12447
12448 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12449                                                  int element_old)
12450 {
12451   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12452
12453   return (element_new != EL_EMPTY ? element_new : element_old);
12454 }
12455
12456 static int getOpenDirectionFromPool(int element)
12457 {
12458   switch (element)
12459   {
12460     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12461     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12462     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12463     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12464     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12465     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12466   }
12467
12468   return MV_NONE;
12469 }
12470
12471 static int getPoolFromOpenDirection(int direction)
12472 {
12473   switch (direction)
12474   {
12475     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12476     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12477     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12478     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12479     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12480     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12481   }
12482
12483   return EL_EMPTY;
12484 }
12485
12486 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12487 {
12488   int element = getPoolFromOpenDirection(direction);
12489   int help_direction = getOpenDirectionFromPool(help_element);
12490
12491   if (element == EL_EMPTY)
12492   {
12493     int help_direction_vertical = help_direction & MV_VERTICAL;
12494
12495     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12496   }
12497
12498   if (element == EL_EMPTY)
12499   {
12500     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12501
12502     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12503   }
12504
12505   return element;
12506 }
12507
12508 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12509 {
12510   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12511
12512   return (element_new != EL_EMPTY ? element_new : element_old);
12513 }
12514
12515 static int getOpenDirectionFromPillar(int element)
12516 {
12517   switch (element)
12518   {
12519     case EL_EMC_WALL_1:                 return (MV_DOWN);
12520     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12521     case EL_EMC_WALL_3:                 return (MV_UP);
12522   }
12523
12524   return MV_NONE;
12525 }
12526
12527 static int getPillarFromOpenDirection(int direction)
12528 {
12529   switch (direction)
12530   {
12531     case (MV_DOWN):                     return EL_EMC_WALL_1;
12532     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12533     case (MV_UP):                       return EL_EMC_WALL_3;
12534   }
12535
12536   return EL_EMPTY;
12537 }
12538
12539 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12540 {
12541   int element_new = getPillarFromOpenDirection(direction);
12542
12543   return (element_new != EL_EMPTY ? element_new : element_old);
12544 }
12545
12546 static int getOpenDirectionFromSteel2(int element)
12547 {
12548   switch (element)
12549   {
12550     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12551     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12552     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12553     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12554     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12555     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12556     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12557     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12558   }
12559
12560   return MV_NONE;
12561 }
12562
12563 static int getSteel2FromOpenDirection(int direction)
12564 {
12565   switch (direction)
12566   {
12567     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12568     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12569     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12570     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12571     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12572     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12573     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12574     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12575   }
12576
12577   return EL_EMPTY;
12578 }
12579
12580 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12581 {
12582   int element_new = getSteel2FromOpenDirection(direction);
12583
12584   return (element_new != EL_EMPTY ? element_new : element_old);
12585 }
12586
12587 static int getOpenDirectionFromChip(int element)
12588 {
12589   switch (element)
12590   {
12591     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12592     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12593     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12594     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12595     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12596   }
12597
12598   return MV_NONE;
12599 }
12600
12601 static int getChipFromOpenDirection(int direction)
12602 {
12603   switch (direction)
12604   {
12605     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12606     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12607     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12608     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12609     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12610   }
12611
12612   return EL_EMPTY;
12613 }
12614
12615 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12616 {
12617   int element_new = getChipFromOpenDirection(direction);
12618
12619   return (element_new != EL_EMPTY ? element_new : element_old);
12620 }
12621
12622 static int getClosedTube(int x, int y)
12623 {
12624   struct XY *xy = xy_directions;
12625   int element_old = IntelliDrawBuffer[x][y];
12626   int direction_old = getOpenDirectionFromTube(element_old);
12627   int direction_new = MV_NONE;
12628   int i;
12629
12630   for (i = 0; i < NUM_DIRECTIONS; i++)
12631   {
12632     int xx = x + xy[i].x;
12633     int yy = y + xy[i].y;
12634     int dir = MV_DIR_FROM_BIT(i);
12635     int dir_opposite = MV_DIR_OPPOSITE(dir);
12636
12637     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12638         (direction_old & dir) &&
12639         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12640       direction_new |= dir;
12641   }
12642
12643   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12644 }
12645
12646 static int getClosedBelt(int x, int y)
12647 {
12648   struct XY *xy = xy_directions;
12649   int element_old = IntelliDrawBuffer[x][y];
12650   int nr = getBeltNrFromBeltElement(element_old);
12651   int direction_old = getOpenDirectionFromBelt(element_old);
12652   int direction_new = MV_NONE;
12653   int i;
12654
12655   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12656   {
12657     int xx = x + xy[i].x;
12658     int yy = y + xy[i].y;
12659     int dir = MV_DIR_FROM_BIT(i);
12660     int dir_opposite = MV_DIR_OPPOSITE(dir);
12661
12662     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12663         (direction_old & dir) &&
12664         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12665       direction_new |= dir;
12666   }
12667
12668   return getBeltFromNrAndOpenDirection(nr, direction_new);
12669 }
12670
12671 static int getClosedPool(int x, int y)
12672 {
12673   struct XY *xy = xy_directions;
12674   int element_old = IntelliDrawBuffer[x][y];
12675   int direction_old = getOpenDirectionFromPool(element_old);
12676   int direction_new = MV_NONE;
12677   int i;
12678
12679   for (i = 0; i < NUM_DIRECTIONS; i++)
12680   {
12681     int xx = x + xy[i].x;
12682     int yy = y + xy[i].y;
12683     int dir = MV_DIR_FROM_BIT(i);
12684     int dir_opposite = MV_DIR_OPPOSITE(dir);
12685
12686     if (IN_LEV_FIELD(xx, yy) &&
12687         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12688         (direction_old & dir) &&
12689         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12690       direction_new |= dir;
12691   }
12692
12693   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12694 }
12695
12696 static int getClosedPillar(int x, int y)
12697 {
12698   struct XY *xy = xy_directions;
12699   int element_old = IntelliDrawBuffer[x][y];
12700   int direction_old = getOpenDirectionFromPillar(element_old);
12701   int direction_new = MV_NONE;
12702   int i;
12703
12704   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12705   {
12706     int xx = x + xy[i].x;
12707     int yy = y + xy[i].y;
12708     int dir = MV_DIR_FROM_BIT(i);
12709     int dir_opposite = MV_DIR_OPPOSITE(dir);
12710
12711     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12712         (direction_old & dir) &&
12713         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12714       direction_new |= dir;
12715   }
12716
12717   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12718 }
12719
12720 static int getClosedSteel2(int x, int y)
12721 {
12722   struct XY *xy = xy_directions;
12723   int element_old = IntelliDrawBuffer[x][y];
12724   int direction_old = getOpenDirectionFromSteel2(element_old);
12725   int direction_new = MV_NONE;
12726   int i;
12727
12728   for (i = 0; i < NUM_DIRECTIONS; i++)
12729   {
12730     int xx = x + xy[i].x;
12731     int yy = y + xy[i].y;
12732     int dir = MV_DIR_FROM_BIT(i);
12733     int dir_opposite = MV_DIR_OPPOSITE(dir);
12734
12735     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12736         (direction_old & dir) &&
12737         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12738       direction_new |= dir;
12739   }
12740
12741   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12742 }
12743
12744 static int getClosedChip(int x, int y)
12745 {
12746   struct XY *xy = xy_directions;
12747   int element_old = IntelliDrawBuffer[x][y];
12748   int direction_old = getOpenDirectionFromChip(element_old);
12749   int direction_new = MV_NONE;
12750   int i;
12751
12752   for (i = 0; i < NUM_DIRECTIONS; i++)
12753   {
12754     int xx = x + xy[i].x;
12755     int yy = y + xy[i].y;
12756     int dir = MV_DIR_FROM_BIT(i);
12757     int dir_opposite = MV_DIR_OPPOSITE(dir);
12758
12759     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12760         (direction_old & dir) &&
12761         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12762       direction_new |= dir;
12763   }
12764
12765   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12766 }
12767
12768 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12769                                 boolean change_level)
12770 {
12771   int sx = x - level_xpos;
12772   int sy = y - level_ypos;
12773   int old_element = Tile[x][y];
12774   int new_element = element;
12775   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12776   boolean draw_masked = FALSE;
12777
12778   if (IS_MM_WALL_EDITOR(element))
12779   {
12780     element = map_mm_wall_element_editor(element) | new_bitmask;
12781
12782     if (IS_MM_WALL(old_element))
12783       element |= MM_WALL_BITS(old_element);
12784
12785     if (!change_level)
12786       draw_masked = TRUE;
12787   }
12788   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12789   {
12790     int element_changed = old_element & ~new_bitmask;
12791
12792     if (MM_WALL_BITS(element_changed) != 0)
12793       element = element_changed;
12794   }
12795
12796   IntelliDrawBuffer[x][y] = element;
12797
12798   if (change_level)
12799     Tile[x][y] = element;
12800
12801   if (IN_ED_FIELD(sx, sy))
12802   {
12803     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12804       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12805     else if (draw_masked)
12806       DrawEditorElementThruMask(sx, sy, element);
12807     else
12808       DrawEditorElement(sx, sy, element);
12809   }
12810 }
12811
12812 static void SetElementSimple(int x, int y, int element, boolean change_level)
12813 {
12814   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12815 }
12816
12817 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12818                                            int x2, int y2, int *element2,
12819                                            int (*close_function)(int, int),
12820                                            boolean change_level)
12821 {
12822   // set neighbour elements to newly determined connections
12823   SetElementSimple(x1, y1, *element1, change_level);
12824   SetElementSimple(x2, y2, *element2, change_level);
12825
12826   // remove all open connections of neighbour elements
12827   *element1 = close_function(x1, y1);
12828   *element2 = close_function(x2, y2);
12829
12830   // set neighbour elements to new, minimized connections
12831   SetElementSimple(x1, y1, *element1, change_level);
12832   SetElementSimple(x2, y2, *element2, change_level);
12833 }
12834
12835 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12836                                   boolean change_level, int button)
12837 {
12838   struct XY *xy = xy_directions;
12839   static int last_x = -1;
12840   static int last_y = -1;
12841
12842   if (new_element == EL_UNDEFINED)
12843   {
12844     last_x = -1;
12845     last_y = -1;
12846
12847     return;
12848   }
12849
12850   int old_element = IntelliDrawBuffer[x][y];
12851
12852   if (IS_TUBE(new_element))
12853   {
12854     int last_element_new = EL_UNDEFINED;
12855     int direction = MV_NONE;
12856     int i;
12857
12858     // if old element is of same kind, keep all existing directions
12859     if (IS_TUBE(old_element))
12860       direction |= getOpenDirectionFromTube(old_element);
12861
12862     for (i = 0; i < NUM_DIRECTIONS; i++)
12863     {
12864       int xx = x + xy[i].x;
12865       int yy = y + xy[i].y;
12866
12867       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12868           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12869       {
12870         int dir = MV_DIR_FROM_BIT(i);
12871         int dir_opposite = MV_DIR_OPPOSITE(dir);
12872         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12873         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12874         int last_direction_new = last_direction_old | dir_opposite;
12875
12876         last_element_new = getTubeFromOpenDirection(last_direction_new);
12877
12878         direction |= dir;
12879       }
12880     }
12881
12882     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12883
12884     if (last_element_new != EL_UNDEFINED)
12885       MergeAndCloseNeighbourElements(x, y, &new_element,
12886                                      last_x, last_y, &last_element_new,
12887                                      getClosedTube, change_level);
12888   }
12889   else if (IS_BELT(new_element))
12890   {
12891     int belt_nr = getBeltNrFromBeltElement(new_element);
12892     int last_element_new = EL_UNDEFINED;
12893     int direction = MV_NONE;
12894     int i;
12895
12896     // if old element is of same kind, keep all existing directions
12897     if (IS_BELT(old_element))
12898       direction |= getOpenDirectionFromBelt(old_element);
12899
12900     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12901     {
12902       int xx = x + xy[i].x;
12903       int yy = y + xy[i].y;
12904
12905       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12906           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12907       {
12908         int dir = MV_DIR_FROM_BIT(i);
12909         int dir_opposite = MV_DIR_OPPOSITE(dir);
12910         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12911         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12912         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12913         int last_direction_new = last_direction_old | dir_opposite;
12914
12915         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12916                                                          last_direction_new);
12917         direction |= dir;
12918       }
12919     }
12920
12921     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12922                                                         new_element);
12923     if (last_element_new != EL_UNDEFINED)
12924       MergeAndCloseNeighbourElements(x, y, &new_element,
12925                                      last_x, last_y, &last_element_new,
12926                                      getClosedBelt, change_level);
12927   }
12928   else if (IS_ACID_POOL_OR_ACID(new_element))
12929   {
12930     int last_element_new = EL_UNDEFINED;
12931     int direction = MV_NONE;
12932     int i;
12933
12934     // if old element is of same kind, keep all existing directions
12935     if (IS_ACID_POOL_OR_ACID(old_element))
12936       direction |= getOpenDirectionFromPool(old_element);
12937
12938     for (i = 0; i < NUM_DIRECTIONS; i++)
12939     {
12940       int xx = x + xy[i].x;
12941       int yy = y + xy[i].y;
12942
12943       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12944           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12945       {
12946         int dir = MV_DIR_FROM_BIT(i);
12947         int dir_opposite = MV_DIR_OPPOSITE(dir);
12948         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12949         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12950         int last_direction_new = last_direction_old | dir_opposite;
12951
12952         last_element_new = getPoolFromOpenDirection(last_direction_new);
12953
12954         direction |= dir;
12955       }
12956     }
12957
12958     // special corrections needed for intuitively correct acid pool drawing
12959     if (last_element_new == EL_EMPTY)
12960       last_element_new = new_element;
12961     else if (last_element_new != EL_UNDEFINED)
12962       new_element = last_element_new;
12963
12964     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12965
12966     if (last_element_new != EL_UNDEFINED)
12967       MergeAndCloseNeighbourElements(x, y, &new_element,
12968                                      last_x, last_y, &last_element_new,
12969                                      getClosedPool, change_level);
12970   }
12971   else if (IS_EMC_PILLAR(new_element))
12972   {
12973     int last_element_new = EL_UNDEFINED;
12974     int direction = MV_NONE;
12975     int i;
12976
12977     // if old element is of same kind, keep all existing directions
12978     if (IS_EMC_PILLAR(old_element))
12979       direction |= getOpenDirectionFromPillar(old_element);
12980
12981     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12982     {
12983       int xx = x + xy[i].x;
12984       int yy = y + xy[i].y;
12985
12986       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12987           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12988       {
12989         int dir = MV_DIR_FROM_BIT(i);
12990         int dir_opposite = MV_DIR_OPPOSITE(dir);
12991         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12992         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12993         int last_direction_new = last_direction_old | dir_opposite;
12994
12995         last_element_new = getPillarFromOpenDirection(last_direction_new);
12996
12997         direction |= dir;
12998       }
12999     }
13000
13001     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13002
13003     if (last_element_new != EL_UNDEFINED)
13004       MergeAndCloseNeighbourElements(x, y, &new_element,
13005                                      last_x, last_y, &last_element_new,
13006                                      getClosedPillar, change_level);
13007   }
13008   else if (IS_DC_STEELWALL_2(new_element))
13009   {
13010     int last_element_new = EL_UNDEFINED;
13011     int direction = MV_NONE;
13012     int i;
13013
13014     // if old element is of same kind, keep all existing directions
13015     if (IS_DC_STEELWALL_2(old_element))
13016       direction |= getOpenDirectionFromSteel2(old_element);
13017
13018     for (i = 0; i < NUM_DIRECTIONS; i++)
13019     {
13020       int xx = x + xy[i].x;
13021       int yy = y + xy[i].y;
13022
13023       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13024           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13025       {
13026         int dir = MV_DIR_FROM_BIT(i);
13027         int dir_opposite = MV_DIR_OPPOSITE(dir);
13028         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13029         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13030         int last_direction_new = last_direction_old | dir_opposite;
13031
13032         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13033
13034         direction |= dir;
13035       }
13036     }
13037
13038     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13039
13040     if (last_element_new != EL_UNDEFINED)
13041       MergeAndCloseNeighbourElements(x, y, &new_element,
13042                                      last_x, last_y, &last_element_new,
13043                                      getClosedSteel2, change_level);
13044   }
13045   else if (IS_SP_CHIP(new_element))
13046   {
13047     int last_element_new = EL_UNDEFINED;
13048     int direction = MV_NONE;
13049     int i;
13050
13051     // (do not keep existing directions, regardless of kind of old element)
13052
13053     for (i = 0; i < NUM_DIRECTIONS; i++)
13054     {
13055       int xx = x + xy[i].x;
13056       int yy = y + xy[i].y;
13057
13058       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13059           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13060       {
13061         int dir = MV_DIR_FROM_BIT(i);
13062         int dir_opposite = MV_DIR_OPPOSITE(dir);
13063         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13064         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13065         int last_direction_new = last_direction_old | dir_opposite;
13066
13067         if (last_direction_old == MV_NONE)
13068         {
13069           last_element_new = getChipFromOpenDirection(last_direction_new);
13070           direction |= dir;
13071         }
13072         else if (last_direction_old & (dir | dir_opposite))
13073         {
13074           direction |= MV_DIR_OPPOSITE(last_direction_old);
13075         }
13076         else
13077         {
13078           direction |= MV_DIR_OPPOSITE(dir);
13079         }
13080       }
13081     }
13082
13083     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13084
13085     if (last_element_new != EL_UNDEFINED)
13086       MergeAndCloseNeighbourElements(x, y, &new_element,
13087                                      last_x, last_y, &last_element_new,
13088                                      getClosedChip, change_level);
13089   }
13090   else if (IS_SP_HARDWARE_BASE(new_element))
13091   {
13092     int nr = GetSimpleRandom(6);
13093
13094     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13095                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13096                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13097                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13098                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13099   }
13100   else if (new_element == EL_SP_HARDWARE_GREEN ||
13101            new_element == EL_SP_HARDWARE_BLUE ||
13102            new_element == EL_SP_HARDWARE_RED)
13103   {
13104     int nr = GetSimpleRandom(3);
13105
13106     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13107                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13108   }
13109   else if (IS_GROUP_ELEMENT(new_element))
13110   {
13111     boolean connected_drawing = FALSE;
13112     int i;
13113
13114     for (i = 0; i < NUM_DIRECTIONS; i++)
13115     {
13116       int xx = x + xy[i].x;
13117       int yy = y + xy[i].y;
13118
13119       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13120           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13121         connected_drawing = TRUE;
13122     }
13123
13124     if (!connected_drawing)
13125       ResolveGroupElement(new_element);
13126
13127     new_element = GetElementFromGroupElement(new_element);
13128   }
13129   else if (IS_BELT_SWITCH(old_element))
13130   {
13131     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13132     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13133
13134     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13135                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13136
13137     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13138   }
13139   else
13140   {
13141     static int swappable_elements[][2] =
13142     {
13143       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13144       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13145       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13146       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13147       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13148       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13149       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13150       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13151       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13152       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13153       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13154       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13155       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13156       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13157       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13158       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13159       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13160       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13161       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13162       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13163       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13164       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13165       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13166       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13167       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13168       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13169       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13170       { EL_PEARL,                       EL_WALL_PEARL                   },
13171       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13172       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13173       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13174       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13175       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13176       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13177       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13178       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13179       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13180       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13181       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13182       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13183       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13184       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13185       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13186       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13187
13188       { -1,                             -1                              },
13189     };
13190     static int rotatable_elements_4[][4] =
13191     {
13192       {
13193         EL_BUG_UP,
13194         EL_BUG_RIGHT,
13195         EL_BUG_DOWN,
13196         EL_BUG_LEFT
13197       },
13198       {
13199         EL_SPACESHIP_UP,
13200         EL_SPACESHIP_RIGHT,
13201         EL_SPACESHIP_DOWN,
13202         EL_SPACESHIP_LEFT
13203       },
13204       {
13205         EL_BD_BUTTERFLY_UP,
13206         EL_BD_BUTTERFLY_RIGHT,
13207         EL_BD_BUTTERFLY_DOWN,
13208         EL_BD_BUTTERFLY_LEFT
13209       },
13210       {
13211         EL_BD_FIREFLY_UP,
13212         EL_BD_FIREFLY_RIGHT,
13213         EL_BD_FIREFLY_DOWN,
13214         EL_BD_FIREFLY_LEFT
13215       },
13216       {
13217         EL_PACMAN_UP,
13218         EL_PACMAN_RIGHT,
13219         EL_PACMAN_DOWN,
13220         EL_PACMAN_LEFT
13221       },
13222       {
13223         EL_YAMYAM_UP,
13224         EL_YAMYAM_RIGHT,
13225         EL_YAMYAM_DOWN,
13226         EL_YAMYAM_LEFT
13227       },
13228       {
13229         EL_ARROW_UP,
13230         EL_ARROW_RIGHT,
13231         EL_ARROW_DOWN,
13232         EL_ARROW_LEFT
13233       },
13234       {
13235         EL_SP_PORT_UP,
13236         EL_SP_PORT_RIGHT,
13237         EL_SP_PORT_DOWN,
13238         EL_SP_PORT_LEFT
13239       },
13240       {
13241         EL_SP_GRAVITY_PORT_UP,
13242         EL_SP_GRAVITY_PORT_RIGHT,
13243         EL_SP_GRAVITY_PORT_DOWN,
13244         EL_SP_GRAVITY_PORT_LEFT
13245       },
13246       {
13247         EL_SP_GRAVITY_ON_PORT_UP,
13248         EL_SP_GRAVITY_ON_PORT_RIGHT,
13249         EL_SP_GRAVITY_ON_PORT_DOWN,
13250         EL_SP_GRAVITY_ON_PORT_LEFT
13251       },
13252       {
13253         EL_SP_GRAVITY_OFF_PORT_UP,
13254         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13255         EL_SP_GRAVITY_OFF_PORT_DOWN,
13256         EL_SP_GRAVITY_OFF_PORT_LEFT
13257       },
13258       {
13259         EL_MOLE_UP,
13260         EL_MOLE_RIGHT,
13261         EL_MOLE_DOWN,
13262         EL_MOLE_LEFT
13263       },
13264       {
13265         EL_BALLOON_SWITCH_UP,
13266         EL_BALLOON_SWITCH_RIGHT,
13267         EL_BALLOON_SWITCH_DOWN,
13268         EL_BALLOON_SWITCH_LEFT
13269       },
13270       {
13271         EL_MM_MCDUFFIN_UP,
13272         EL_MM_MCDUFFIN_RIGHT,
13273         EL_MM_MCDUFFIN_DOWN,
13274         EL_MM_MCDUFFIN_LEFT
13275       },
13276       {
13277         EL_MM_MIRROR_FIXED_1,
13278         EL_MM_MIRROR_FIXED_4,
13279         EL_MM_MIRROR_FIXED_3,
13280         EL_MM_MIRROR_FIXED_2
13281       },
13282       {
13283         EL_MM_STEEL_GRID_FIXED_1,
13284         EL_MM_STEEL_GRID_FIXED_4,
13285         EL_MM_STEEL_GRID_FIXED_2,
13286         EL_MM_STEEL_GRID_FIXED_3
13287       },
13288       {
13289         EL_MM_WOODEN_GRID_FIXED_1,
13290         EL_MM_WOODEN_GRID_FIXED_4,
13291         EL_MM_WOODEN_GRID_FIXED_2,
13292         EL_MM_WOODEN_GRID_FIXED_3
13293       },
13294       {
13295         EL_MM_POLARIZER_CROSS_1,
13296         EL_MM_POLARIZER_CROSS_4,
13297         EL_MM_POLARIZER_CROSS_3,
13298         EL_MM_POLARIZER_CROSS_2
13299       },
13300       {
13301         EL_MM_PACMAN_UP,
13302         EL_MM_PACMAN_RIGHT,
13303         EL_MM_PACMAN_DOWN,
13304         EL_MM_PACMAN_LEFT
13305       },
13306       {
13307         EL_DF_LASER_UP,
13308         EL_DF_LASER_RIGHT,
13309         EL_DF_LASER_DOWN,
13310         EL_DF_LASER_LEFT
13311       },
13312       {
13313         EL_DF_RECEIVER_UP,
13314         EL_DF_RECEIVER_RIGHT,
13315         EL_DF_RECEIVER_DOWN,
13316         EL_DF_RECEIVER_LEFT
13317       },
13318       {
13319         EL_DF_SLOPE_1,
13320         EL_DF_SLOPE_4,
13321         EL_DF_SLOPE_3,
13322         EL_DF_SLOPE_2
13323       },
13324
13325       {
13326         -1,
13327       },
13328     };
13329     static int rotatable_elements_8[][8] =
13330     {
13331       {
13332         EL_DF_STEEL_GRID_FIXED_1,
13333         EL_DF_STEEL_GRID_FIXED_8,
13334         EL_DF_STEEL_GRID_FIXED_7,
13335         EL_DF_STEEL_GRID_FIXED_6,
13336         EL_DF_STEEL_GRID_FIXED_5,
13337         EL_DF_STEEL_GRID_FIXED_4,
13338         EL_DF_STEEL_GRID_FIXED_3,
13339         EL_DF_STEEL_GRID_FIXED_2
13340       },
13341       {
13342         EL_DF_WOODEN_GRID_FIXED_1,
13343         EL_DF_WOODEN_GRID_FIXED_8,
13344         EL_DF_WOODEN_GRID_FIXED_7,
13345         EL_DF_WOODEN_GRID_FIXED_6,
13346         EL_DF_WOODEN_GRID_FIXED_5,
13347         EL_DF_WOODEN_GRID_FIXED_4,
13348         EL_DF_WOODEN_GRID_FIXED_3,
13349         EL_DF_WOODEN_GRID_FIXED_2
13350       },
13351       {
13352         EL_DF_STEEL_GRID_ROTATING_1,
13353         EL_DF_STEEL_GRID_ROTATING_8,
13354         EL_DF_STEEL_GRID_ROTATING_7,
13355         EL_DF_STEEL_GRID_ROTATING_6,
13356         EL_DF_STEEL_GRID_ROTATING_5,
13357         EL_DF_STEEL_GRID_ROTATING_4,
13358         EL_DF_STEEL_GRID_ROTATING_3,
13359         EL_DF_STEEL_GRID_ROTATING_2
13360       },
13361       {
13362         EL_DF_WOODEN_GRID_ROTATING_1,
13363         EL_DF_WOODEN_GRID_ROTATING_8,
13364         EL_DF_WOODEN_GRID_ROTATING_7,
13365         EL_DF_WOODEN_GRID_ROTATING_6,
13366         EL_DF_WOODEN_GRID_ROTATING_5,
13367         EL_DF_WOODEN_GRID_ROTATING_4,
13368         EL_DF_WOODEN_GRID_ROTATING_3,
13369         EL_DF_WOODEN_GRID_ROTATING_2
13370       },
13371
13372       {
13373         -1,
13374       },
13375     };
13376     static int rotatable_elements_16[][16] =
13377     {
13378       {
13379         EL_MM_MIRROR_1,
13380         EL_MM_MIRROR_16,
13381         EL_MM_MIRROR_15,
13382         EL_MM_MIRROR_14,
13383         EL_MM_MIRROR_13,
13384         EL_MM_MIRROR_12,
13385         EL_MM_MIRROR_11,
13386         EL_MM_MIRROR_10,
13387         EL_MM_MIRROR_9,
13388         EL_MM_MIRROR_8,
13389         EL_MM_MIRROR_7,
13390         EL_MM_MIRROR_6,
13391         EL_MM_MIRROR_5,
13392         EL_MM_MIRROR_4,
13393         EL_MM_MIRROR_3,
13394         EL_MM_MIRROR_2
13395       },
13396       {
13397         EL_MM_TELEPORTER_5,
13398         EL_MM_TELEPORTER_4,
13399         EL_MM_TELEPORTER_3,
13400         EL_MM_TELEPORTER_2,
13401         EL_MM_TELEPORTER_1,
13402         EL_MM_TELEPORTER_16,
13403         EL_MM_TELEPORTER_15,
13404         EL_MM_TELEPORTER_14,
13405         EL_MM_TELEPORTER_13,
13406         EL_MM_TELEPORTER_12,
13407         EL_MM_TELEPORTER_11,
13408         EL_MM_TELEPORTER_10,
13409         EL_MM_TELEPORTER_9,
13410         EL_MM_TELEPORTER_8,
13411         EL_MM_TELEPORTER_7,
13412         EL_MM_TELEPORTER_6
13413       },
13414       {
13415         EL_MM_TELEPORTER_RED_5,
13416         EL_MM_TELEPORTER_RED_4,
13417         EL_MM_TELEPORTER_RED_3,
13418         EL_MM_TELEPORTER_RED_2,
13419         EL_MM_TELEPORTER_RED_1,
13420         EL_MM_TELEPORTER_RED_16,
13421         EL_MM_TELEPORTER_RED_15,
13422         EL_MM_TELEPORTER_RED_14,
13423         EL_MM_TELEPORTER_RED_13,
13424         EL_MM_TELEPORTER_RED_12,
13425         EL_MM_TELEPORTER_RED_11,
13426         EL_MM_TELEPORTER_RED_10,
13427         EL_MM_TELEPORTER_RED_9,
13428         EL_MM_TELEPORTER_RED_8,
13429         EL_MM_TELEPORTER_RED_7,
13430         EL_MM_TELEPORTER_RED_6
13431       },
13432       {
13433         EL_MM_TELEPORTER_YELLOW_5,
13434         EL_MM_TELEPORTER_YELLOW_4,
13435         EL_MM_TELEPORTER_YELLOW_3,
13436         EL_MM_TELEPORTER_YELLOW_2,
13437         EL_MM_TELEPORTER_YELLOW_1,
13438         EL_MM_TELEPORTER_YELLOW_16,
13439         EL_MM_TELEPORTER_YELLOW_15,
13440         EL_MM_TELEPORTER_YELLOW_14,
13441         EL_MM_TELEPORTER_YELLOW_13,
13442         EL_MM_TELEPORTER_YELLOW_12,
13443         EL_MM_TELEPORTER_YELLOW_11,
13444         EL_MM_TELEPORTER_YELLOW_10,
13445         EL_MM_TELEPORTER_YELLOW_9,
13446         EL_MM_TELEPORTER_YELLOW_8,
13447         EL_MM_TELEPORTER_YELLOW_7,
13448         EL_MM_TELEPORTER_YELLOW_6
13449       },
13450       {
13451         EL_MM_TELEPORTER_GREEN_5,
13452         EL_MM_TELEPORTER_GREEN_4,
13453         EL_MM_TELEPORTER_GREEN_3,
13454         EL_MM_TELEPORTER_GREEN_2,
13455         EL_MM_TELEPORTER_GREEN_1,
13456         EL_MM_TELEPORTER_GREEN_16,
13457         EL_MM_TELEPORTER_GREEN_15,
13458         EL_MM_TELEPORTER_GREEN_14,
13459         EL_MM_TELEPORTER_GREEN_13,
13460         EL_MM_TELEPORTER_GREEN_12,
13461         EL_MM_TELEPORTER_GREEN_11,
13462         EL_MM_TELEPORTER_GREEN_10,
13463         EL_MM_TELEPORTER_GREEN_9,
13464         EL_MM_TELEPORTER_GREEN_8,
13465         EL_MM_TELEPORTER_GREEN_7,
13466         EL_MM_TELEPORTER_GREEN_6
13467       },
13468       {
13469         EL_MM_TELEPORTER_BLUE_5,
13470         EL_MM_TELEPORTER_BLUE_4,
13471         EL_MM_TELEPORTER_BLUE_3,
13472         EL_MM_TELEPORTER_BLUE_2,
13473         EL_MM_TELEPORTER_BLUE_1,
13474         EL_MM_TELEPORTER_BLUE_16,
13475         EL_MM_TELEPORTER_BLUE_15,
13476         EL_MM_TELEPORTER_BLUE_14,
13477         EL_MM_TELEPORTER_BLUE_13,
13478         EL_MM_TELEPORTER_BLUE_12,
13479         EL_MM_TELEPORTER_BLUE_11,
13480         EL_MM_TELEPORTER_BLUE_10,
13481         EL_MM_TELEPORTER_BLUE_9,
13482         EL_MM_TELEPORTER_BLUE_8,
13483         EL_MM_TELEPORTER_BLUE_7,
13484         EL_MM_TELEPORTER_BLUE_6
13485       },
13486       {
13487         EL_MM_POLARIZER_1,
13488         EL_MM_POLARIZER_16,
13489         EL_MM_POLARIZER_15,
13490         EL_MM_POLARIZER_14,
13491         EL_MM_POLARIZER_13,
13492         EL_MM_POLARIZER_12,
13493         EL_MM_POLARIZER_11,
13494         EL_MM_POLARIZER_10,
13495         EL_MM_POLARIZER_9,
13496         EL_MM_POLARIZER_8,
13497         EL_MM_POLARIZER_7,
13498         EL_MM_POLARIZER_6,
13499         EL_MM_POLARIZER_5,
13500         EL_MM_POLARIZER_4,
13501         EL_MM_POLARIZER_3,
13502         EL_MM_POLARIZER_2
13503       },
13504       {
13505         EL_DF_MIRROR_1,
13506         EL_DF_MIRROR_16,
13507         EL_DF_MIRROR_15,
13508         EL_DF_MIRROR_14,
13509         EL_DF_MIRROR_13,
13510         EL_DF_MIRROR_12,
13511         EL_DF_MIRROR_11,
13512         EL_DF_MIRROR_10,
13513         EL_DF_MIRROR_9,
13514         EL_DF_MIRROR_8,
13515         EL_DF_MIRROR_7,
13516         EL_DF_MIRROR_6,
13517         EL_DF_MIRROR_5,
13518         EL_DF_MIRROR_4,
13519         EL_DF_MIRROR_3,
13520         EL_DF_MIRROR_2
13521       },
13522       {
13523         EL_DF_MIRROR_ROTATING_1,
13524         EL_DF_MIRROR_ROTATING_16,
13525         EL_DF_MIRROR_ROTATING_15,
13526         EL_DF_MIRROR_ROTATING_14,
13527         EL_DF_MIRROR_ROTATING_13,
13528         EL_DF_MIRROR_ROTATING_12,
13529         EL_DF_MIRROR_ROTATING_11,
13530         EL_DF_MIRROR_ROTATING_10,
13531         EL_DF_MIRROR_ROTATING_9,
13532         EL_DF_MIRROR_ROTATING_8,
13533         EL_DF_MIRROR_ROTATING_7,
13534         EL_DF_MIRROR_ROTATING_6,
13535         EL_DF_MIRROR_ROTATING_5,
13536         EL_DF_MIRROR_ROTATING_4,
13537         EL_DF_MIRROR_ROTATING_3,
13538         EL_DF_MIRROR_ROTATING_2
13539       },
13540       {
13541         EL_DF_MIRROR_FIXED_1,
13542         EL_DF_MIRROR_FIXED_16,
13543         EL_DF_MIRROR_FIXED_15,
13544         EL_DF_MIRROR_FIXED_14,
13545         EL_DF_MIRROR_FIXED_13,
13546         EL_DF_MIRROR_FIXED_12,
13547         EL_DF_MIRROR_FIXED_11,
13548         EL_DF_MIRROR_FIXED_10,
13549         EL_DF_MIRROR_FIXED_9,
13550         EL_DF_MIRROR_FIXED_8,
13551         EL_DF_MIRROR_FIXED_7,
13552         EL_DF_MIRROR_FIXED_6,
13553         EL_DF_MIRROR_FIXED_5,
13554         EL_DF_MIRROR_FIXED_4,
13555         EL_DF_MIRROR_FIXED_3,
13556         EL_DF_MIRROR_FIXED_2
13557       },
13558
13559       {
13560         -1,
13561       },
13562     };
13563     int i, j;
13564
13565     for (i = 0; swappable_elements[i][0] != -1; i++)
13566     {
13567       int element1 = swappable_elements[i][0];
13568       int element2 = swappable_elements[i][1];
13569
13570       if (old_element == element1 || old_element == element2)
13571         new_element = (old_element == element1 ? element2 : element1);
13572     }
13573
13574     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13575     {
13576       for (j = 0; j < 4; j++)
13577       {
13578         int element = rotatable_elements_4[i][j];
13579
13580         if (old_element == element)
13581           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13582                          button == 2 ? rotatable_elements_4[i][0]           :
13583                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13584                          old_element);
13585       }
13586     }
13587
13588     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13589     {
13590       for (j = 0; j < 8; j++)
13591       {
13592         int element = rotatable_elements_8[i][j];
13593
13594         if (old_element == element)
13595           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13596                          button == 2 ? rotatable_elements_8[i][0]           :
13597                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13598                          old_element);
13599       }
13600     }
13601
13602     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13603     {
13604       for (j = 0; j < 16; j++)
13605       {
13606         int element = rotatable_elements_16[i][j];
13607
13608         if (old_element == element)
13609           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13610                          button == 2 ? rotatable_elements_16[i][0]             :
13611                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13612                          old_element);
13613       }
13614     }
13615
13616     if (old_element != new_element)
13617     {
13618       int max_infotext_len = getMaxInfoTextLength();
13619       char infotext[MAX_OUTPUT_LINESIZE + 1];
13620
13621       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13622       infotext[max_infotext_len] = '\0';
13623
13624       ClearEditorGadgetInfoText();
13625
13626       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13627                 infotext);
13628     }
13629   }
13630
13631   if (IS_MM_WALL_EDITOR(new_element))
13632     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13633   else
13634     SetElementSimple(x, y, new_element, change_level);
13635
13636   last_x = x;
13637   last_y = y;
13638 }
13639
13640 static void ResetIntelliDraw(void)
13641 {
13642   int x, y;
13643
13644   for (x = 0; x < lev_fieldx; x++)
13645     for (y = 0; y < lev_fieldy; y++)
13646       IntelliDrawBuffer[x][y] = Tile[x][y];
13647
13648   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13649 }
13650
13651 static boolean draw_mode_hires = FALSE;
13652
13653 static boolean isHiresTileElement(int element)
13654 {
13655   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13656 }
13657
13658 static boolean isHiresDrawElement(int element)
13659 {
13660   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13661 }
13662
13663 static int numHiresTiles(int element)
13664 {
13665   if (IS_MM_WALL(element))
13666     return get_number_of_bits(MM_WALL_BITS(element));
13667
13668   return 1;
13669 }
13670
13671 static void SetDrawModeHiRes(int element)
13672 {
13673   draw_mode_hires =
13674     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13675      isHiresDrawElement(element));
13676 }
13677
13678 static boolean getDrawModeHiRes(void)
13679 {
13680   return draw_mode_hires;
13681 }
13682
13683 static int getLoResScreenPos(int pos)
13684 {
13685   return (getDrawModeHiRes() ? pos / 2 : pos);
13686 }
13687
13688 static int getLoResScreenMod(int pos)
13689 {
13690   return (getDrawModeHiRes() ? pos % 2 : 0);
13691 }
13692
13693 static void SetElementExt(int x, int y, int dx, int dy, int element,
13694                           boolean change_level, int button)
13695 {
13696   if (element < 0)
13697     SetElementSimple(x, y, Tile[x][y], change_level);
13698   else if (GetKeyModState() & KMOD_Shift)
13699     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13700   else
13701     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13702 }
13703
13704 static void SetElement(int x, int y, int element)
13705 {
13706   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13707 }
13708
13709 static void SetElementButton(int x, int y, int dx, int dy, int element,
13710                              int button)
13711 {
13712   SetElementExt(x, y, dx, dy, element, TRUE, button);
13713 }
13714
13715 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13716 {
13717   int lx = getLoResScreenPos(sx2) + level_xpos;
13718   int ly = getLoResScreenPos(sy2) + level_ypos;
13719   int dx = getLoResScreenMod(sx2);
13720   int dy = getLoResScreenMod(sy2);
13721
13722   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13723 }
13724
13725 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13726 {
13727   int lx = lx2 / 2;
13728   int ly = ly2 / 2;
13729   int dx = lx2 % 2;
13730   int dy = ly2 % 2;
13731
13732   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13733 }
13734
13735 static int getLevelElementHiRes(int lx2, int ly2)
13736 {
13737   int lx = lx2 / 2;
13738   int ly = ly2 / 2;
13739   int dx = lx2 % 2;
13740   int dy = ly2 % 2;
13741   int element = Tile[lx][ly];
13742   unsigned int bitmask = (dx + 1) << (dy * 2);
13743
13744   if (IS_MM_WALL(element))
13745   {
13746     if (element & bitmask)
13747       return map_mm_wall_element(element);
13748     else
13749       return EL_EMPTY;
13750   }
13751
13752   return element;
13753 }
13754
13755 static void DrawLineElement(int x, int y, int element, boolean change_level)
13756 {
13757   SetElementHiRes(x, y, element, change_level);
13758 }
13759
13760 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13761                      int element, boolean change_level)
13762 {
13763   int xsize = ABS(to_x - from_x);
13764   int ysize = ABS(to_y - from_y);
13765   int dx = (to_x < from_x ? -1 : +1);
13766   int dy = (to_y < from_y ? -1 : +1);
13767   int i;
13768
13769   if (from_y == to_y)                   // horizontal line
13770   {
13771     for (i = 0; i <= xsize; i++)
13772       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13773   }
13774   else if (from_x == to_x)              // vertical line
13775   {
13776     for (i = 0; i <= ysize; i++)
13777       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13778   }
13779   else                                  // diagonal line
13780   {
13781     if (ysize < xsize)                  // a < 1
13782     {
13783       float a = (float)ysize / (float)xsize;
13784
13785       for (i = 0; i <= xsize; i++)
13786       {
13787         int x = dx * i;
13788         int y = dy * (int)(a * i + 0.5);
13789
13790         DrawLineElement(from_x + x, from_y + y, element, change_level);
13791       }
13792     }
13793     else                                // a >= 1
13794     {
13795       float a = (float)xsize / (float)ysize;
13796
13797       for (i = 0; i <= ysize; i++)
13798       {
13799         int x = dx * (int)(a * i + 0.5);
13800         int y = dy * i;
13801
13802         DrawLineElement(from_x + x, from_y + y, element, change_level);
13803       }
13804     }
13805   }
13806 }
13807
13808 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13809                     int element, boolean change_level)
13810 {
13811   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13812   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13813   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13814   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13815 }
13816
13817 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13818                           int element, boolean change_level)
13819 {
13820   int y;
13821
13822   if (from_y > to_y)
13823     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13824
13825   for (y = from_y; y <= to_y; y++)
13826     DrawLine(from_x, y, to_x, y, element, change_level);
13827 }
13828
13829 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13830                        int element, boolean change_level)
13831 {
13832   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13833   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13834   int len_x = ABS(to_x - from_x);
13835   int len_y = ABS(to_y - from_y);
13836   int radius, x, y;
13837
13838   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13839
13840   // not optimal (some points get drawn twice) but simple,
13841   // and fast enough for the few points we are drawing
13842
13843   for (x = 0; x <= radius; x++)
13844   {
13845     int sx, sy, sx2, sy2, lx, ly;
13846
13847     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13848
13849     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13850     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13851     sx = getLoResScreenPos(sx2);
13852     sy = getLoResScreenPos(sy2);
13853     lx = sx + level_xpos;
13854     ly = sy + level_ypos;
13855
13856     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13857       DrawLineElement(sx2, sy2, element, change_level);
13858   }
13859
13860   for (y = 0; y <= radius; y++)
13861   {
13862     int sx, sy, sx2, sy2, lx, ly;
13863
13864     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13865
13866     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13867     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13868     sx = getLoResScreenPos(sx2);
13869     sy = getLoResScreenPos(sy2);
13870     lx = sx + level_xpos;
13871     ly = sy + level_ypos;
13872
13873     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13874       DrawLineElement(sx2, sy2, element, change_level);
13875   }
13876 }
13877
13878 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13879                     int element, boolean change_level)
13880 {
13881   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13882   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13883
13884   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13885 }
13886
13887 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13888
13889 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13890 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13891                        int element, boolean change_level)
13892 {
13893   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13894   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13895   int mirror_to_x2 = from_x - (to_x2 - from_x);
13896   int mirror_to_y2 = from_y - (to_y2 - from_y);
13897
13898   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13899   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13900   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13901   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13902 }
13903 #endif
13904
13905 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13906 {
13907   int from_sx, from_sy;
13908   int to_sx, to_sy;
13909
13910   if (from_x > to_x)
13911     swap_numbers(&from_x, &to_x);
13912
13913   if (from_y > to_y)
13914     swap_numbers(&from_y, &to_y);
13915
13916   from_sx = SX + from_x * ed_tilesize;
13917   from_sy = SY + from_y * ed_tilesize;
13918   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13919   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13920
13921   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13922   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13923   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13924   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13925
13926   if (from_x == to_x && from_y == to_y)
13927     MarkTileDirty(from_x/2, from_y/2);
13928   else
13929     redraw_mask |= REDRAW_FIELD;
13930 }
13931
13932 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13933                         int element, boolean change_level)
13934 {
13935   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13936 }
13937
13938 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13939                        int element, boolean change_level)
13940 {
13941   if (element == -1 || change_level)
13942     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13943   else
13944     DrawAreaBorder(from_x, from_y, to_x, to_y);
13945 }
13946
13947 // values for CopyBrushExt()
13948 #define CB_AREA_TO_BRUSH                0
13949 #define CB_BRUSH_TO_CURSOR              1
13950 #define CB_BRUSH_TO_LEVEL               2
13951 #define CB_DELETE_OLD_CURSOR            3
13952 #define CB_DUMP_BRUSH                   4
13953 #define CB_DUMP_BRUSH_SMALL             5
13954 #define CB_CLIPBOARD_TO_BRUSH           6
13955 #define CB_BRUSH_TO_CLIPBOARD           7
13956 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13957 #define CB_UPDATE_BRUSH_POSITION        9
13958 #define CB_FLIP_BRUSH_X                 10
13959 #define CB_FLIP_BRUSH_Y                 11
13960 #define CB_FLIP_BRUSH_XY                12
13961
13962 #define MAX_CB_PART_SIZE        10
13963 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13964 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13965 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13966                                  MAX_CB_NUM_LINES *     \
13967                                  MAX_CB_PART_SIZE)
13968
13969 static int getFlippedTileExt(int map[], int element)
13970 {
13971   int i;
13972
13973   for (i = 0; map[i] != -1; i++)
13974     if (map[i] == element)
13975       return map[i ^ 1];        // get flipped element by flipping LSB of index
13976
13977   return element;
13978 }
13979
13980 static int getFlippedTileX(int element)
13981 {
13982   int map[] =
13983   {
13984     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13985     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13986     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13987     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13988     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13989     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13990     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13991     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13992     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13993     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13994     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13995     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13996     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13997     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13998     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13999     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14000     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14001     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14002     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14003     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14004     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14005     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14006     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14007     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14008     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14009     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14010     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14011     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14012     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14013     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14014
14015     -1
14016   };
14017
14018   return getFlippedTileExt(map, element);
14019 }
14020
14021 static int getFlippedTileY(int element)
14022 {
14023   int map[] =
14024   {
14025     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14026     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14027     EL_BUG_UP,                          EL_BUG_DOWN,
14028     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14029     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14030     EL_ARROW_UP,                        EL_ARROW_DOWN,
14031     EL_MOLE_UP,                         EL_MOLE_DOWN,
14032     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14033     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14034     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14035     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14036     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14037     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14038     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14039     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14040     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14041     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14042     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14043     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14044     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14045     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14046     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14047     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14048     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14049
14050     -1
14051   };
14052
14053   return getFlippedTileExt(map, element);
14054 }
14055
14056 static int getFlippedTileXY(int element)
14057 {
14058   int map[] =
14059   {
14060     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14061     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14062     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14063     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14064     EL_BUG_LEFT,                        EL_BUG_UP,
14065     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14066     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14067     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14068     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14069     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14070     EL_ARROW_LEFT,                      EL_ARROW_UP,
14071     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14072     EL_MOLE_LEFT,                       EL_MOLE_UP,
14073     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14074     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14075     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14076     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14077     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14078     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14079     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14080     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14081     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14082     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14083     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14084     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14085     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14086     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14087     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14088     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14089     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14090     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14091     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14092     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14093     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14094     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14095     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14096     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14097     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14098     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14099     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14100     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14101     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14102
14103     -1
14104   };
14105
14106   return getFlippedTileExt(map, element);
14107 }
14108
14109 static int getFlippedTile(int element, int mode)
14110 {
14111   if (IS_MM_ELEMENT(element))
14112   {
14113     // get MM game element
14114     element = map_element_RND_to_MM(element);
14115
14116     // get flipped game element
14117     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14118                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14119                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14120                element);
14121
14122     // get RND game element again
14123     element = map_element_MM_to_RND(element);
14124   }
14125   else
14126   {
14127     // get flipped game element
14128     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14129                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14130                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14131                element);
14132   }
14133
14134   return element;
14135 }
14136
14137 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14138 {
14139   // flip tiles
14140   short tile1_flipped = getFlippedTile(*tile1, mode);
14141   short tile2_flipped = getFlippedTile(*tile2, mode);
14142
14143   // swap tiles
14144   *tile1 = tile2_flipped;
14145   *tile2 = tile1_flipped;
14146 }
14147
14148 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14149 {
14150   DrawLineElement(sx, sy, element, change_level);
14151 }
14152
14153 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14154                          int button, int mode)
14155 {
14156   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14157   static int brush_width, brush_height;
14158   static int last_cursor_x = -1, last_cursor_y = -1;
14159   static boolean delete_old_brush = FALSE;
14160   int new_element = BUTTON_ELEMENT(button);
14161   int x, y;
14162
14163   if (mode == CB_DUMP_BRUSH ||
14164       mode == CB_DUMP_BRUSH_SMALL ||
14165       mode == CB_BRUSH_TO_CLIPBOARD ||
14166       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14167   {
14168     if (edit_mode != ED_MODE_DRAWING)
14169       return;
14170
14171     char part[MAX_CB_PART_SIZE + 1] = "";
14172     char text[MAX_CB_TEXT_SIZE + 1] = "";
14173     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14174     int height = (draw_with_brush ? brush_height : lev_fieldy);
14175     char *format = "%s%03d";
14176
14177     for (y = 0; y < height; y++)
14178       for (x = 0; x < width; x++)
14179         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14180           format = "%s%04d";
14181
14182     for (y = 0; y < height; y++)
14183     {
14184       for (x = 0; x < width; x++)
14185       {
14186         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14187         char *prefix = (mode == CB_DUMP_BRUSH ||
14188                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14189
14190         if (element >= NUM_FILE_ELEMENTS)
14191           element = EL_UNKNOWN;
14192
14193         // copy brush to level sketch text buffer for the R'n'D forum:
14194         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14195         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14196         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14197         strcat(text, part);
14198       }
14199
14200       strcat(text, "\n");
14201     }
14202
14203     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14204         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14205       SDL_SetClipboardText(text);
14206     else
14207       Print("%s", text);        // print brush data to console and log file
14208
14209     return;
14210   }
14211
14212   if (mode == CB_CLIPBOARD_TO_BRUSH)
14213   {
14214     if (edit_mode != ED_MODE_DRAWING)
14215       return;
14216
14217     if (!SDL_HasClipboardText())
14218     {
14219       Request("Clipboard is empty!", REQ_CONFIRM);
14220
14221       return;
14222     }
14223
14224     boolean copy_to_brush = (draw_with_brush ||
14225                              drawing_function == GADGET_ID_GRAB_BRUSH);
14226
14227     // this will delete the old brush, if already drawing with a brush
14228     if (copy_to_brush)
14229       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14230
14231     // initialization is required for "odd" (incomplete) clipboard content
14232     for (x = 0; x < MAX_LEV_FIELDX; x++)
14233       for (y = 0; y < MAX_LEV_FIELDY; y++)
14234         brush_buffer[x][y] = EL_EMPTY;
14235
14236     brush_width  = 0;
14237     brush_height = 0;
14238     x = 0;
14239     y = 0;
14240
14241     char *clipboard_text = SDL_GetClipboardText();
14242     char *ptr = clipboard_text;
14243     boolean allow_new_row = FALSE;
14244     boolean stop = FALSE;
14245
14246     while (*ptr && !stop)
14247     {
14248       boolean prefix_found = FALSE;
14249       boolean start_new_row = FALSE;
14250
14251       // level sketch element number prefixes (may be multi-byte characters)
14252       char *prefix_list[] = { "`", "¸" };
14253       int i;
14254
14255       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14256       {
14257         char *prefix = prefix_list[i];
14258
14259         // check if string is large enough for prefix
14260         if (strlen(ptr) < strlen(prefix))
14261         {
14262           stop = TRUE;
14263
14264           break;
14265         }
14266
14267         // check if string starts with prefix
14268         if (strPrefix(ptr, prefix))
14269         {
14270           ptr += strlen(prefix);
14271
14272           prefix_found = TRUE;
14273
14274           break;
14275         }
14276       }
14277
14278       // check if prefix found and followed by (at least) three digits
14279       if (prefix_found &&
14280           strlen(ptr) >= 3 &&
14281           ptr[0] >= '0' && ptr[0] <= '9' &&
14282           ptr[1] >= '0' && ptr[1] <= '9' &&
14283           ptr[2] >= '0' && ptr[2] <= '9')
14284       {
14285         int element = ((ptr[0] - '0') * 100 +
14286                        (ptr[1] - '0') * 10 +
14287                        (ptr[2] - '0'));
14288
14289         ptr += 3;
14290
14291         // level sketch element number might consist of four digits
14292         if (ptr[0] >= '0' && ptr[0] <= '9')
14293         {
14294           element = element * 10 + (ptr[0] - '0');
14295           ptr++;
14296         }
14297
14298         // remap some (historic, now obsolete) elements
14299         element = getMappedElement(element);
14300
14301         if (element >= NUM_FILE_ELEMENTS)
14302           element = EL_UNKNOWN;
14303
14304         brush_buffer[x][y] = element;
14305
14306         brush_width  = MAX(x + 1, brush_width);
14307         brush_height = MAX(y + 1, brush_height);
14308
14309         x++;
14310
14311         if (x >= MAX_LEV_FIELDX)
14312           start_new_row = TRUE;
14313
14314         allow_new_row = TRUE;
14315       }
14316       else
14317       {
14318         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14319           start_new_row = TRUE;
14320
14321         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14322       }
14323
14324       if (start_new_row)
14325       {
14326         x = 0;
14327         y++;
14328
14329         if (y >= MAX_LEV_FIELDY)
14330           stop = TRUE;
14331
14332         allow_new_row = FALSE;
14333       }
14334     }
14335
14336     SDL_free(clipboard_text);
14337
14338     if (brush_width == 0 || brush_height == 0)
14339     {
14340       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14341
14342       return;
14343     }
14344
14345     if (copy_to_brush)
14346     {
14347       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14348       int mx, my;
14349
14350       SDL_GetMouseState(&mx, &my);
14351
14352       // if inside drawing area, activate and draw brush at last mouse position
14353       if (mx >= gi->x && mx < gi->x + gi->width &&
14354           my >= gi->y && my < gi->y + gi->height)
14355         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14356
14357       draw_with_brush = TRUE;
14358     }
14359     else
14360     {
14361       char request[100];
14362
14363       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14364               brush_width, brush_height);
14365
14366       if (!Request(request, REQ_ASK))
14367         return;
14368
14369       for (x = 0; x < MAX_LEV_FIELDX; x++)
14370         for (y = 0; y < MAX_LEV_FIELDY; y++)
14371           Tile[x][y] = brush_buffer[x][y];
14372
14373       lev_fieldx = level.fieldx = brush_width;
14374       lev_fieldy = level.fieldy = brush_height;
14375
14376       boolean use_bd_engine = TRUE;
14377       boolean use_em_engine = TRUE;
14378       boolean use_sp_engine = TRUE;
14379       boolean use_mm_engine = TRUE;
14380
14381       for (x = 0; x < MAX_LEV_FIELDX; x++)
14382       {
14383         for (y = 0; y < MAX_LEV_FIELDY; y++)
14384         {
14385           int element = Tile[x][y];
14386
14387           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14388             use_bd_engine = FALSE;
14389
14390           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14391             use_em_engine = FALSE;
14392
14393           if (!IS_SP_ELEMENT(element))
14394             use_sp_engine = FALSE;
14395
14396           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14397             use_mm_engine = FALSE;
14398         }
14399       }
14400
14401       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14402                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14403                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14404                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14405                                 GAME_ENGINE_TYPE_RND);
14406
14407       // update element selection list
14408       ReinitializeElementList();
14409       ModifyEditorElementList();
14410
14411       SetBorderElement();
14412
14413       DrawEditModeWindow();
14414       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14415     }
14416
14417     return;
14418   }
14419
14420   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14421     return;
14422
14423   if (mode == CB_AREA_TO_BRUSH)
14424   {
14425     int from_lx, from_ly;
14426
14427     if (from_x > to_x)
14428       swap_numbers(&from_x, &to_x);
14429
14430     if (from_y > to_y)
14431       swap_numbers(&from_y, &to_y);
14432
14433     brush_width = to_x - from_x + 1;
14434     brush_height = to_y - from_y + 1;
14435
14436     from_lx = from_x + level_xpos;
14437     from_ly = from_y + level_ypos;
14438
14439     for (y = 0; y < brush_height; y++)
14440     {
14441       for (x = 0; x < brush_width; x++)
14442       {
14443         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14444
14445         if (button != 1)
14446           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14447       }
14448     }
14449
14450     if (button != 1)
14451       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14452
14453     delete_old_brush = FALSE;
14454   }
14455   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14456            mode == CB_BRUSH_TO_LEVEL)
14457   {
14458     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14459     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14460     int cursor_from_x = cursor_x - brush_width / 2;
14461     int cursor_from_y = cursor_y - brush_height / 2;
14462     int border_from_x = cursor_x, border_from_y = cursor_y;
14463     int border_to_x = cursor_x, border_to_y = cursor_y;
14464
14465     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14466       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14467
14468     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14469         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14470     {
14471       delete_old_brush = FALSE;
14472
14473       return;
14474     }
14475
14476     for (y = 0; y < brush_height; y++)
14477     {
14478       for (x = 0; x < brush_width; x++)
14479       {
14480         int sx = cursor_from_x + x;
14481         int sy = cursor_from_y + y;
14482         int lx = sx + level_xpos;
14483         int ly = sy + level_ypos;
14484         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14485         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14486                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14487                        brush_buffer[x][y] : new_element);
14488
14489         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14490         {
14491           if (sx < border_from_x)
14492             border_from_x = sx;
14493           else if (sx > border_to_x)
14494             border_to_x = sx;
14495           if (sy < border_from_y)
14496             border_from_y = sy;
14497           else if (sy > border_to_y)
14498             border_to_y = sy;
14499
14500           DrawBrushElement(sx, sy, element, change_level);
14501         }
14502       }
14503     }
14504
14505     if (mode != CB_DELETE_OLD_CURSOR)
14506       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14507
14508     last_cursor_x = cursor_x;
14509     last_cursor_y = cursor_y;
14510
14511     delete_old_brush = TRUE;
14512   }
14513   else if (mode == CB_FLIP_BRUSH_X)
14514   {
14515     for (y = 0; y < brush_height; y++)
14516       for (x = 0; x < (brush_width + 1) / 2; x++)
14517         SwapFlippedTiles(&brush_buffer[x][y],
14518                          &brush_buffer[brush_width - x - 1][y], mode);
14519
14520     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14521   }
14522   else if (mode == CB_FLIP_BRUSH_Y)
14523   {
14524     for (y = 0; y < (brush_height + 1) / 2; y++)
14525       for (x = 0; x < brush_width; x++)
14526         SwapFlippedTiles(&brush_buffer[x][y],
14527                          &brush_buffer[x][brush_height - y - 1], mode);
14528
14529     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14530   }
14531   else if (mode == CB_FLIP_BRUSH_XY)
14532   {
14533     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14534
14535     for (y = 0; y < MAX(brush_width, brush_height); y++)
14536       for (x = 0; x <= y; x++)
14537         SwapFlippedTiles(&brush_buffer[x][y],
14538                          &brush_buffer[y][x], mode);
14539
14540     swap_numbers(&brush_width, &brush_height);
14541
14542     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14543   }
14544
14545   if (mode == CB_UPDATE_BRUSH_POSITION)
14546   {
14547     last_cursor_x = from_x;
14548     last_cursor_y = from_y;
14549   }
14550 }
14551
14552 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14553                             int button)
14554 {
14555   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14556 }
14557
14558 static void CopyBrushToLevel(int x, int y, int button)
14559 {
14560   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14561 }
14562
14563 static void CopyBrushToCursor(int x, int y)
14564 {
14565   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14566 }
14567
14568 static void UpdateBrushPosition(int x, int y)
14569 {
14570   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14571 }
14572
14573 static void DeleteBrushFromCursor(void)
14574 {
14575   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14576 }
14577
14578 static void FlipBrushX(void)
14579 {
14580   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14581 }
14582
14583 static void FlipBrushY(void)
14584 {
14585   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14586 }
14587
14588 static void RotateBrush(void)
14589 {
14590   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14591   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14592 }
14593
14594 void DumpBrush(void)
14595 {
14596   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14597 }
14598
14599 void DumpBrush_Small(void)
14600 {
14601   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14602 }
14603
14604 void CopyClipboardToBrush(void)
14605 {
14606   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14607 }
14608
14609 void CopyBrushToClipboard(void)
14610 {
14611   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14612 }
14613
14614 void CopyBrushToClipboard_Small(void)
14615 {
14616   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14617 }
14618
14619 void UndoLevelEditorOperation(void)
14620 {
14621   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14622 }
14623
14624 void RedoLevelEditorOperation(void)
14625 {
14626   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14627 }
14628
14629 static void FloodFill(int from_x, int from_y, int fill_element)
14630 {
14631   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14632 }
14633
14634 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14635 {
14636   int from_x = from_sx2 + 2 * level_xpos;
14637   int from_y = from_sy2 + 2 * level_ypos;
14638   int max_fillx = lev_fieldx * 2;
14639   int max_filly = lev_fieldy * 2;
14640   short Fill[max_fillx][max_filly];
14641   int x, y;
14642
14643   for (x = 0; x < max_fillx; x++)
14644     for (y = 0; y < max_filly; y++)
14645       Fill[x][y] = getLevelElementHiRes(x, y);
14646
14647   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14648                     Fill, max_fillx, max_filly);
14649
14650   for (x = 0; x < max_fillx; x++)
14651     for (y = 0; y < max_filly; y++)
14652       if (Fill[x][y] == fill_element)
14653         SetLevelElementHiRes(x, y, Fill[x][y]);
14654 }
14655
14656 // values for DrawLevelText() modes
14657 #define TEXT_INIT               0
14658 #define TEXT_SETCURSOR          1
14659 #define TEXT_WRITECHAR          2
14660 #define TEXT_BACKSPACE          3
14661 #define TEXT_NEWLINE            4
14662 #define TEXT_END                5
14663 #define TEXT_QUERY_TYPING       6
14664
14665 static int DrawLevelText(int sx, int sy, char letter, int mode)
14666 {
14667   static short delete_buffer[MAX_LEV_FIELDX];
14668   static int start_sx;
14669   static int last_sx, last_sy;
14670   static boolean typing = FALSE;
14671   int letter_element;
14672   int lx = 0, ly = 0;
14673
14674   // map lower case letters to upper case and convert special characters
14675   if (letter >= 'a' && letter <= 'z')
14676     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14677   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14678     letter_element = EL_CHAR_AUMLAUT;
14679   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14680     letter_element = EL_CHAR_OUMLAUT;
14681   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14682     letter_element = EL_CHAR_UUMLAUT;
14683   else if (letter == '^')
14684     letter_element = EL_CHAR_COPYRIGHT;
14685   else
14686     letter_element = EL_CHAR_ASCII0 + letter;
14687
14688   if (mode != TEXT_INIT)
14689   {
14690     if (!typing)
14691       return FALSE;
14692
14693     if (mode != TEXT_SETCURSOR)
14694     {
14695       sx = last_sx;
14696       sy = last_sy;
14697     }
14698
14699     lx = last_sx + level_xpos;
14700     ly = last_sy + level_ypos;
14701   }
14702
14703   switch (mode)
14704   {
14705     case TEXT_INIT:
14706       if (typing)
14707         DrawLevelText(0, 0, 0, TEXT_END);
14708
14709       typing = TRUE;
14710       start_sx = sx;
14711       last_sx = sx;
14712       last_sy = sy;
14713       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14714       break;
14715
14716     case TEXT_SETCURSOR:
14717       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14718       DrawAreaBorder(sx, sy, sx, sy);
14719       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14720                      ed_tilesize, ed_tilesize);
14721       last_sx = sx;
14722       last_sy = sy;
14723       break;
14724
14725     case TEXT_WRITECHAR:
14726       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14727       {
14728         if (new_element1 >= EL_STEEL_CHAR_START &&
14729             new_element1 <= EL_STEEL_CHAR_END)
14730           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14731
14732         delete_buffer[sx - start_sx] = Tile[lx][ly];
14733         Tile[lx][ly] = letter_element;
14734
14735         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14736           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14737         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14738           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14739         else
14740           DrawLevelText(0, 0, 0, TEXT_END);
14741
14742         level.changed = TRUE;
14743       }
14744       break;
14745
14746     case TEXT_BACKSPACE:
14747       if (sx > start_sx)
14748       {
14749         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14750         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14751         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14752       }
14753       break;
14754
14755     case TEXT_NEWLINE:
14756       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14757         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14758       else
14759         DrawLevelText(0, 0, 0, TEXT_END);
14760       break;
14761
14762     case TEXT_END:
14763       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14764       DrawEditorElement(sx, sy, Tile[lx][ly]);
14765       StopTextInput();
14766       typing = FALSE;
14767       break;
14768
14769     case TEXT_QUERY_TYPING:
14770       break;
14771
14772     default:
14773       break;
14774   }
14775
14776   return typing;
14777 }
14778
14779 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14780                           int element, boolean change_level)
14781 {
14782   int lx = sx + level_xpos;
14783   int ly = sy + level_ypos;
14784
14785   if (element == -1)
14786     DrawEditorElement(sx, sy, Tile[lx][ly]);
14787   else
14788     DrawAreaBorder(sx, sy, sx, sy);
14789 }
14790
14791 static void CheckLevelBorderElement(boolean redraw_playfield)
14792 {
14793   int last_border_element = BorderElement;
14794
14795   SetBorderElement();
14796
14797   if (redraw_playfield && BorderElement != last_border_element)
14798     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14799 }
14800
14801 static void CopyLevelToUndoBuffer(int mode)
14802 {
14803   static boolean accumulated_undo = FALSE;
14804   boolean new_undo_buffer_position = TRUE;
14805   int x, y;
14806
14807   if (undo_buffer_steps == 0)
14808     accumulated_undo = FALSE;
14809
14810   switch (mode)
14811   {
14812     case UNDO_IMMEDIATE:
14813       accumulated_undo = FALSE;
14814       break;
14815
14816     case UNDO_ACCUMULATE:
14817       if (accumulated_undo)
14818         new_undo_buffer_position = FALSE;
14819       accumulated_undo = TRUE;
14820       break;
14821
14822     default:
14823       break;
14824   }
14825
14826   if (new_undo_buffer_position)
14827   {
14828     // advance position in undo buffer ring
14829     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14830
14831     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14832       undo_buffer_steps++;
14833   }
14834
14835   // always reset redo buffer when storing level change into undo buffer
14836   redo_buffer_steps = 0;
14837
14838   for (x = 0; x < lev_fieldx; x++)
14839     for (y = 0; y < lev_fieldy; y++)
14840       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14841
14842   // check if drawing operation forces change of border style
14843   CheckLevelBorderElement(TRUE);
14844
14845   level.changed = TRUE;
14846 }
14847
14848 static void RandomPlacement(int new_element)
14849 {
14850   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14851   int num_free_positions = 0;
14852   int num_percentage, num_elements;
14853   int x, y;
14854
14855   ResetIntelliDraw();
14856
14857   // determine number of free positions for randomly placing the new element
14858   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14859   {
14860     free_position[x][y] =
14861       (random_placement_background_restricted ?
14862        Tile[x][y] == random_placement_background_element :
14863        Tile[x][y] != new_element);
14864
14865     if (free_position[x][y])
14866       num_free_positions++;
14867   }
14868
14869   // determine number of new elements to place there
14870   num_percentage = num_free_positions * random_placement_value / 100;
14871   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14872                   num_percentage : random_placement_value);
14873
14874   // if less free positions than elements to place, fill all these positions
14875   if (num_free_positions < num_elements)
14876   {
14877     for (x = 0; x < lev_fieldx; x++)
14878       for (y = 0; y < lev_fieldy; y++)
14879         if (free_position[x][y])
14880           SetElement(x, y, new_element);
14881   }
14882   else
14883   {
14884     while (num_elements > 0)
14885     {
14886       x = GetSimpleRandom(lev_fieldx);
14887       y = GetSimpleRandom(lev_fieldy);
14888
14889       // don't place element at the same position twice
14890       if (free_position[x][y])
14891       {
14892         free_position[x][y] = FALSE;
14893         SetElement(x, y, new_element);
14894         num_elements--;
14895       }
14896     }
14897   }
14898
14899   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14900   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14901 }
14902
14903 static void WrapLevel(int dx, int dy)
14904 {
14905   int wrap_dx = lev_fieldx - dx;
14906   int wrap_dy = lev_fieldy - dy;
14907   int x, y;
14908
14909   for (x = 0; x < lev_fieldx; x++)
14910     for (y = 0; y < lev_fieldy; y++)
14911       TileBackup[x][y] = Tile[x][y];
14912
14913   for (x = 0; x < lev_fieldx; x++)
14914     for (y = 0; y < lev_fieldy; y++)
14915       Tile[x][y] =
14916         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14917
14918   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14919   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14920 }
14921
14922 static void DrawAreaElementHighlight(boolean highlighted,
14923                                      boolean highlighted_similar)
14924 {
14925   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14926
14927   if (!highlighted)
14928     return;
14929
14930   int x, y;
14931
14932   for (x = 0; x < ed_fieldx; x++)
14933   {
14934     for (y = 0; y < ed_fieldy; y++)
14935     {
14936       boolean highlight = FALSE;
14937       int lx = x + level_xpos;
14938       int ly = y + level_ypos;
14939
14940       if (!IN_LEV_FIELD(lx, ly))
14941         continue;
14942
14943       // check if element is the same
14944       if (Tile[lx][ly] == new_element1)
14945         highlight = TRUE;
14946
14947       // check if element is similar
14948       if (highlighted_similar &&
14949           strEqual(element_info[Tile[lx][ly]].class_name,
14950                    element_info[new_element1].class_name))
14951         highlight = TRUE;
14952
14953       // check if element is matching MM style wall
14954       if (IS_MM_WALL(Tile[lx][ly]) &&
14955           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14956         highlight = TRUE;
14957
14958       if (!highlight)
14959         continue;
14960
14961       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14962       {
14963         int i;
14964
14965         for (i = 0; i < 4; i++)
14966         {
14967           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14968             continue;
14969
14970           int xx = x * 2 + (i % 2);
14971           int yy = y * 2 + (i / 2);
14972           int sx = SX + xx * ed_tilesize / 2;
14973           int sy = SY + yy * ed_tilesize / 2;
14974           int from_sx = sx;
14975           int from_sy = sy;
14976           int to_sx = sx + ed_tilesize / 2 - 1;
14977           int to_sy = sy + ed_tilesize / 2 - 1;
14978
14979           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14980           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14981           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14982           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14983         }
14984       }
14985       else
14986       {
14987         int sx = SX + x * ed_tilesize;
14988         int sy = SY + y * ed_tilesize;
14989         int from_sx = sx;
14990         int from_sy = sy;
14991         int to_sx = sx + ed_tilesize - 1;
14992         int to_sy = sy + ed_tilesize - 1;
14993
14994         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14995         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14996         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14997         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14998       }
14999     }
15000   }
15001 }
15002
15003 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15004 {
15005   char *template_filename_old = getLocalLevelTemplateFilename();
15006   char *template_filename_new =
15007     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15008
15009   if (copyFile(template_filename_old, template_filename_new) != 0)
15010     Request("Cannot copy level template!", REQ_CONFIRM);
15011
15012   free(template_filename_new);
15013 }
15014
15015 static void HandleDrawingAreas(struct GadgetInfo *gi)
15016 {
15017   static boolean started_inside_drawing_area = FALSE;
15018   static int last_sx = -1;
15019   static int last_sy = -1;
15020   static int last_sx2 = -1;
15021   static int last_sy2 = -1;
15022   int id = gi->custom_id;
15023   int type_id = gi->custom_type_id;
15024   boolean button_press_event;
15025   boolean button_release_event;
15026   boolean inside_drawing_area = !gi->event.off_borders;
15027   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15028   int actual_drawing_function;
15029   int button = gi->event.button;
15030   int new_element = BUTTON_ELEMENT(button);
15031   int sx = gi->event.x, sy = gi->event.y;
15032   int min_sx = 0, min_sy = 0;
15033   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15034   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15035   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15036   int sx2 = gi->event.mx / mini_item_xsize;
15037   int sy2 = gi->event.my / mini_item_ysize;
15038   int dx = sx2 % 2;
15039   int dy = sy2 % 2;
15040   int lx = 0, ly = 0;
15041   int x, y;
15042
15043   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15044   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15045
15046   // make sure to stay inside drawing area boundaries
15047   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15048   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15049
15050   if (draw_level)
15051   {
15052     int min_lx = 0, min_ly = 0;
15053     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15054
15055     // get positions inside level field
15056     lx = sx + level_xpos;
15057     ly = sy + level_ypos;
15058
15059     if (!IN_LEV_FIELD(lx, ly))
15060       inside_drawing_area = FALSE;
15061
15062     // make sure to stay inside level field boundaries
15063     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15064     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15065
15066     // correct drawing area positions accordingly
15067     sx = lx - level_xpos;
15068     sy = ly - level_ypos;
15069   }
15070
15071   // also correct MM wall-sized (double) drawing area positions accordingly
15072   if (sx2 / 2 < sx || sx2 / 2 > sx)
15073   {
15074     dx = (sx2 / 2 < sx ? 0 : 1);
15075     sx2 = sx * 2 + dx;
15076   }
15077   if (sy2 / 2 < sy || sy2 / 2 > sy)
15078   {
15079     dy = (sy2 / 2 < sy ? 0 : 1);
15080     sy2 = sy * 2 + dy;
15081   }
15082
15083   if (!button_press_event && !button_release_event)
15084   {
15085     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15086     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15087                              isHiresTileElement(old_element) &&
15088                              isHiresDrawElement(new_element));
15089
15090     // prevent handling events for every pixel position when moving mouse
15091     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15092         (sx2 == last_sx2 && sy2 == last_sy2))
15093       return;
15094   }
15095
15096   last_sx = sx;
15097   last_sy = sy;
15098   last_sx2 = sx2;
15099   last_sy2 = sy2;
15100
15101   if (button_press_event)
15102     started_inside_drawing_area = inside_drawing_area;
15103
15104   if (!started_inside_drawing_area)
15105     return;
15106
15107   if (!IS_VALID_BUTTON(button))
15108     return;
15109
15110   // handle info callback for each invocation of action callback
15111   gi->callback_info(gi);
15112
15113   // automatically switch to 'single item' drawing mode, if needed
15114   actual_drawing_function =
15115     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15116      drawing_function : GADGET_ID_SINGLE_ITEMS);
15117
15118   // clicking into drawing area with pressed Control key picks element
15119   if (GetKeyModState() & KMOD_Control)
15120   {
15121     last_drawing_function = drawing_function;
15122     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15123   }
15124
15125   if (GetKeyModState() & KMOD_Shift)
15126   {
15127     if (button_press_event || button_release_event)
15128       ResetIntelliDraw();
15129   }
15130
15131   SetDrawModeHiRes(-1);         // reset to normal draw mode
15132
15133   switch (actual_drawing_function)
15134   {
15135     case GADGET_ID_SINGLE_ITEMS:
15136       if (draw_level)
15137       {
15138         if (button_release_event)
15139         {
15140           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15141
15142           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15143               !inside_drawing_area)
15144             DeleteBrushFromCursor();
15145
15146           break;
15147         }
15148
15149         if (draw_with_brush)
15150         {
15151           CopyBrushToLevel(sx, sy, button);
15152         }
15153         else
15154         {
15155           SetDrawModeHiRes(new_element);
15156
15157           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15158           {
15159             // remove player at old position
15160             for (y = 0; y < lev_fieldy; y++)
15161             {
15162               for (x = 0; x < lev_fieldx; x++)
15163               {
15164                 int old_element = Tile[x][y];
15165
15166                 if (IS_PLAYER_ELEMENT(old_element) &&
15167                     IS_PLAYER_ELEMENT(new_element))
15168                 {
15169                   int replaced_with_element =
15170                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15171                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15172
15173                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15174                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15175
15176                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15177                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15178
15179                      new_element >= EL_PLAYER_1 &&
15180                      new_element <= EL_PLAYER_4 &&
15181                      new_element == old_element ? EL_EMPTY :
15182
15183                      old_element);
15184
15185                   SetElement(x, y, replaced_with_element);
15186                 }
15187                 else if (IS_MM_MCDUFFIN(old_element) &&
15188                          IS_MM_MCDUFFIN(new_element))
15189                 {
15190                   // remove McDuffin at old position
15191                   SetElement(x, y, EL_EMPTY);
15192                 }
15193               }
15194             }
15195           }
15196
15197           SetElementButton(lx, ly, dx, dy, new_element, button);
15198         }
15199       }
15200       else if (!button_release_event)
15201       {
15202         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15203
15204         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15205           DrawMiniGraphicExt(drawto,
15206                              gi->x + sx * MINI_TILEX,
15207                              gi->y + sy * MINI_TILEY,
15208                              el2edimg(new_element));
15209         else
15210           DrawFixedGraphicExt(drawto,
15211                               gi->x + sx * TILEX,
15212                               gi->y + sy * TILEY,
15213                               el2edimg(new_element), 0);
15214
15215         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15216           new_element = GFX_ELEMENT(new_element);
15217
15218         drawingarea_info[type_id].value[pos] = new_element;
15219
15220         CopyElementPropertiesToGame(properties_element);
15221
15222         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15223         {
15224           UpdateCustomElementGraphicGadgets();
15225
15226           FrameCounter = 0;     // restart animation frame counter
15227         }
15228       }
15229       break;
15230
15231     case GADGET_ID_CONNECTED_ITEMS:
15232       {
15233         static int last_sx = -1;
15234         static int last_sy = -1;
15235
15236         if (button_release_event)
15237           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15238
15239         SetDrawModeHiRes(new_element);
15240
15241         if (getDrawModeHiRes())
15242         {
15243           sx = sx2;
15244           sy = sy2;
15245         }
15246
15247         if (!button_press_event)
15248           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15249
15250         last_sx = sx;
15251         last_sy = sy;
15252       }
15253       break;
15254
15255     case GADGET_ID_LINE:
15256     case GADGET_ID_ARC:
15257     case GADGET_ID_RECTANGLE:
15258     case GADGET_ID_FILLED_BOX:
15259       SetDrawModeHiRes(new_element);
15260
15261       if (getDrawModeHiRes())
15262       {
15263         sx = sx2;
15264         sy = sy2;
15265       }
15266       // FALLTHROUGH
15267     case GADGET_ID_GRAB_BRUSH:
15268     case GADGET_ID_TEXT:
15269       {
15270         static int last_sx = -1;
15271         static int last_sy = -1;
15272         static int start_sx = -1;
15273         static int start_sy = -1;
15274         void (*draw_func)(int, int, int, int, int, boolean);
15275
15276         if (drawing_function == GADGET_ID_LINE)
15277           draw_func = DrawLine;
15278         else if (drawing_function == GADGET_ID_ARC)
15279           draw_func = DrawArc;
15280         else if (drawing_function == GADGET_ID_RECTANGLE)
15281           draw_func = DrawBox;
15282         else if (drawing_function == GADGET_ID_FILLED_BOX)
15283           draw_func = DrawFilledBox;
15284         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15285           draw_func = SelectArea;
15286         else // (drawing_function == GADGET_ID_TEXT)
15287           draw_func = SetTextCursor;
15288
15289         if (button_press_event)
15290         {
15291           draw_func(sx, sy, sx, sy, new_element, FALSE);
15292           start_sx = last_sx = sx;
15293           start_sy = last_sy = sy;
15294
15295           if (drawing_function == GADGET_ID_TEXT)
15296             DrawLevelText(0, 0, 0, TEXT_END);
15297         }
15298         else if (button_release_event)
15299         {
15300           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15301           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15302           {
15303             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15304             CopyBrushToCursor(sx, sy);
15305             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15306                           MB_LEFTBUTTON);
15307             draw_with_brush = TRUE;
15308           }
15309           else if (drawing_function == GADGET_ID_TEXT)
15310             DrawLevelText(sx, sy, 0, TEXT_INIT);
15311           else
15312             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15313         }
15314         else if (last_sx != sx || last_sy != sy)
15315         {
15316           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15317           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15318             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15319           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15320           last_sx = sx;
15321           last_sy = sy;
15322         }
15323       }
15324       break;
15325
15326     case GADGET_ID_FLOOD_FILL:
15327       if (button_press_event && Tile[lx][ly] != new_element)
15328       {
15329         if (IS_MM_WALL_EDITOR(new_element))
15330           FloodFillWall_MM(sx2, sy2, new_element);
15331         else
15332           FloodFill(lx, ly, new_element);
15333
15334         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15335         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15336       }
15337       break;
15338
15339     case GADGET_ID_PICK_ELEMENT:
15340       if (button_release_event)
15341         ClickOnGadget(level_editor_gadget[last_drawing_function],
15342                       MB_LEFTBUTTON);
15343       else if (draw_level)
15344         PickDrawingElement(button, Tile[lx][ly]);
15345       else
15346       {
15347         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15348
15349         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15350       }
15351
15352     default:
15353       break;
15354   }
15355
15356   // do not mark level as modified for certain non-level-changing gadgets
15357   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15358        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15359       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15360       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15361     return;
15362
15363   level.changed = TRUE;
15364 }
15365
15366 static void HandleCounterButtons(struct GadgetInfo *gi)
15367 {
15368   int gadget_id = gi->custom_id;
15369   int counter_id = gi->custom_type_id;
15370   int button = gi->event.button;
15371   int *counter_value = counterbutton_info[counter_id].value;
15372   int step = BUTTON_STEPSIZE(button) *
15373     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15374
15375   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15376   {
15377     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15378     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15379     boolean level_changed = LevelChanged();
15380
15381     if ((level_changed && pressed) || (!level_changed && released))
15382       return;
15383
15384     if (level_changed && !Request("Level has changed! Discard changes?",
15385                                   REQ_ASK))
15386     {
15387       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15388         ModifyEditorCounterValue(counter_id, *counter_value);
15389
15390       return;
15391     }
15392   }
15393
15394   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15395     *counter_value = gi->textinput.number_value;
15396   else
15397     ModifyEditorCounterValue(counter_id, *counter_value + step);
15398
15399   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15400   {
15401     int last_game_engine_type = level.game_engine_type;
15402
15403     LoadLevel(level_nr);
15404     LoadScore(level_nr);
15405
15406     SaveLevelSetup_SeriesInfo();
15407
15408     TapeErase();
15409
15410     ResetUndoBuffer();
15411     DrawEditModeWindow();
15412
15413     if (level.game_engine_type != last_game_engine_type)
15414     {
15415       // update element selection list
15416       ReinitializeElementList();
15417       ModifyEditorElementList();
15418     }
15419
15420     return;
15421   }
15422
15423   switch (counter_id)
15424   {
15425     case ED_COUNTER_ID_YAMYAM_CONTENT:
15426       DrawYamYamContentAreas();
15427       break;
15428
15429     case ED_COUNTER_ID_BALL_CONTENT:
15430       DrawMagicBallContentAreas();
15431       break;
15432
15433     case ED_COUNTER_ID_ANDROID_CONTENT:
15434       DrawAndroidElementArea();
15435       break;
15436
15437     case ED_COUNTER_ID_GROUP_CONTENT:
15438       DrawGroupElementArea();
15439       CopyGroupElementPropertiesToGame(properties_element);
15440       break;
15441
15442     case ED_COUNTER_ID_INVENTORY_SIZE:
15443       DrawPlayerInitialInventoryArea(properties_element);
15444       break;
15445
15446     case ED_COUNTER_ID_MM_BALL_CONTENT:
15447       DrawMMBallContentArea();
15448       break;
15449
15450     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15451     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15452       DrawEnvelopeTextArea(-1);
15453       break;
15454
15455     case ED_COUNTER_ID_LEVEL_XSIZE:
15456     case ED_COUNTER_ID_LEVEL_YSIZE:
15457       lev_fieldx = level.fieldx;
15458       lev_fieldy = level.fieldy;
15459
15460       // check if resizing of level results in change of border border
15461       SetBorderElement();
15462
15463       break;
15464
15465     default:
15466       break;
15467   }
15468
15469   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15470        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15471       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15472        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15473     CopyElementPropertiesToGame(properties_element);
15474
15475   // do not mark level as modified for certain non-level-changing gadgets
15476   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15477        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15478       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15479        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15480     return;
15481
15482   level.changed = TRUE;
15483 }
15484
15485 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15486 {
15487   int type_id = gi->custom_type_id;
15488
15489   strcpy(textinput_info[type_id].value, gi->textinput.value);
15490
15491   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15492   {
15493     CopyElementPropertiesToGame(properties_element);
15494
15495     ModifyEditorElementList();  // update changed button info text
15496   }
15497
15498   // do not mark level as modified for certain non-level-changing gadgets
15499   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15500       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15501     return;
15502
15503   level.changed = TRUE;
15504 }
15505
15506 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15507 {
15508   int type_id = gi->custom_type_id;
15509
15510   strncpy(textarea_info[type_id].value, gi->textarea.value,
15511           MAX_ENVELOPE_TEXT_LEN);
15512   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15513
15514   level.changed = TRUE;
15515 }
15516
15517 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15518 {
15519   int type_id = gi->custom_type_id;
15520   int value_old = *selectbox_info[type_id].value;
15521   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15522
15523   *selectbox_info[type_id].value = value_new;
15524
15525   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15526   {
15527     DrawLevelConfigWindow();
15528   }
15529   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15530   {
15531     element_info[properties_element].current_change_page = gi->selectbox.index;
15532
15533     DrawPropertiesWindow();
15534   }
15535   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15536             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15537            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15538             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15539            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15540   {
15541     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15542     {
15543       // when changing action type, also check action mode and action arg
15544       if (value_old != value_new)
15545         setSelectboxSpecialActionVariablesIfNeeded();
15546
15547       DrawPropertiesChange();
15548     }
15549
15550     CopyElementPropertiesToGame(properties_element);
15551   }
15552   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15553   {
15554     // show or hide "engine" tabulator depending on game engine type
15555     DrawLevelConfigWindow();
15556
15557     // update element selection list depending on game engine type
15558     ReinitializeElementList();
15559     ModifyEditorElementList();
15560   }
15561   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15562   {
15563     // update BD cycle delay counter gadgets depending on BD scheduling type
15564     DrawLevelConfigWindow();
15565   }
15566
15567   // do not mark level as modified for certain non-level-changing gadgets
15568   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15569       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15570     return;
15571
15572   level.changed = TRUE;
15573 }
15574
15575 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15576 {
15577   int type_id = gi->custom_type_id;
15578   int i;
15579
15580   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15581       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15582   {
15583     edit_mode_levelconfig = gi->custom_type_id;
15584
15585     DrawLevelConfigWindow();
15586   }
15587   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15588            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15589   {
15590     edit_mode_properties = gi->custom_type_id;
15591
15592     DrawPropertiesWindow();
15593   }
15594   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15595            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15596   {
15597     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15598
15599     // backup original "level.field" (needed to track playfield changes)
15600     CopyPlayfield(level.field, TileBackup);
15601
15602     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15603     CopyPlayfield(Tile, level.field);
15604
15605     if (new_template ||
15606         Request("Save this template and kill the old?", REQ_ASK))
15607       SaveLevelTemplate();
15608
15609     if (new_template)
15610       Request("Template saved!", REQ_CONFIRM);
15611
15612     // restore original "level.field" (needed to track playfield changes)
15613     CopyPlayfield(TileBackup, level.field);
15614   }
15615   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15616   {
15617     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15618
15619     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15620         leveldir_current->readonly)
15621     {
15622       Request("This level set is read-only!", REQ_CONFIRM);
15623
15624       return;
15625     }
15626
15627     if (strEqual(levelset_name, ""))
15628     {
15629       Request("Please enter level set title!", REQ_CONFIRM);
15630
15631       return;
15632     }
15633
15634     if (strEqual(levelset_author, ""))
15635     {
15636       Request("Please enter level set author!", REQ_CONFIRM);
15637
15638       return;
15639     }
15640
15641     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15642     {
15643       if (UpdateUserLevelSet(levelset_subdir,
15644                              levelset_name,
15645                              levelset_author,
15646                              levelset_num_levels))
15647       {
15648         Request("Level set updated!", REQ_CONFIRM);
15649       }
15650       else
15651       {
15652         Request("Updating level set failed!", REQ_CONFIRM);
15653       }
15654     }
15655     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15656     {
15657       if (level.changed && !Request("Level has changed! Discard changes?",
15658                                      REQ_ASK))
15659         return;
15660
15661       if (CreateUserLevelSet(levelset_subdir,
15662                              levelset_name,
15663                              levelset_author,
15664                              levelset_num_levels,
15665                              levelset_use_levelset_artwork))
15666       {
15667         if (levelset_copy_level_template)
15668           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15669
15670         Request("New level set created!", REQ_CONFIRM);
15671
15672         AddUserLevelSetToLevelInfo(levelset_subdir);
15673         ChangeEditorToLevelSet(levelset_subdir);
15674       }
15675       else
15676       {
15677         Request("Creating new level set failed!", REQ_CONFIRM);
15678       }
15679     }
15680   }
15681   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15682            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15683   {
15684     struct ElementInfo *ei = &element_info[properties_element];
15685
15686     // when modifying custom element, ask for copying level template
15687     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15688       return;
15689
15690     setElementChangePages(ei, ei->num_change_pages + 1);
15691
15692     // set new change page to be new current change page
15693     ei->current_change_page = ei->num_change_pages - 1;
15694     ei->change = &ei->change_page[ei->current_change_page];
15695
15696     setElementChangeInfoToDefaults(ei->change);
15697
15698     DrawPropertiesWindow();
15699
15700     level.changed = TRUE;
15701   }
15702   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15703            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15704   {
15705     struct ElementInfo *ei = &element_info[properties_element];
15706
15707     // when modifying custom element, ask for copying level template
15708     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15709       return;
15710
15711     // copy all change pages after change page to be deleted
15712     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15713       ei->change_page[i] = ei->change_page[i + 1];
15714
15715     setElementChangePages(ei, ei->num_change_pages - 1);
15716
15717     DrawPropertiesWindow();
15718
15719     level.changed = TRUE;
15720   }
15721 }
15722
15723 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15724 {
15725   int type_id = gi->custom_type_id;
15726
15727   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15728       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15729   {
15730     struct ElementInfo *ei = &element_info[properties_element];
15731     int step = BUTTON_STEPSIZE(gi->event.button);
15732
15733     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15734     ei->current_change_page += step;
15735
15736     if (ei->current_change_page < 0)
15737       ei->current_change_page = 0;
15738     else if (ei->current_change_page >= ei->num_change_pages)
15739       ei->current_change_page = ei->num_change_pages - 1;
15740
15741     DrawPropertiesWindow();
15742   }
15743   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15744            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15745   {
15746     struct ElementInfo *ei = &element_info[properties_element];
15747     int current_change_page = ei->current_change_page;
15748
15749     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15750     {
15751       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15752         ei->change_page[current_change_page];
15753     }
15754     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15755     {
15756       // when modifying custom element, ask for copying level template
15757       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15758         return;
15759
15760       ei->change_page[current_change_page] =
15761         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15762
15763       level.changed = TRUE;
15764     }
15765
15766     DrawPropertiesWindow();
15767   }
15768 }
15769
15770 static void HandleRadiobuttons(struct GadgetInfo *gi)
15771 {
15772   int type_id = gi->custom_type_id;
15773
15774   *radiobutton_info[type_id].value =
15775     radiobutton_info[type_id].checked_value;
15776
15777   // do not mark level as modified for certain non-level-changing gadgets
15778   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15779       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15780     return;
15781
15782   level.changed = TRUE;
15783 }
15784
15785 static void HandleCheckbuttons(struct GadgetInfo *gi)
15786 {
15787   int type_id = gi->custom_type_id;
15788
15789   *checkbutton_info[type_id].value ^= TRUE;
15790
15791   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15792       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15793       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15794       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15795          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15796         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15797          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15798        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15799   {
15800     CopyElementPropertiesToGame(properties_element);
15801   }
15802
15803   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15804   {
15805     UpdateCustomElementGraphicGadgets();
15806   }
15807   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15808            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15809   {
15810     boolean template_related_changes_found = FALSE;
15811     int i;
15812
15813     // check if any custom, group or empty elements have been changed
15814     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15815       if ((IS_CUSTOM_ELEMENT(i) ||
15816            IS_GROUP_ELEMENT(i) ||
15817            IS_EMPTY_ELEMENT(i)) &&
15818           element_info[i].modified_settings)
15819         template_related_changes_found = TRUE;
15820
15821     if (level.use_custom_template &&
15822         !fileExists(getGlobalLevelTemplateFilename()))
15823     {
15824       Request("No level template found!", REQ_CONFIRM);
15825
15826       level.use_custom_template = FALSE;
15827
15828       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15829
15830       return;
15831     }
15832
15833     if (level.use_custom_template &&
15834         template_related_changes_found &&
15835         !Request("Discard changes and use level template?", REQ_ASK))
15836     {
15837       level.use_custom_template = FALSE;
15838
15839       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15840
15841       return;
15842     }
15843
15844     if (!level.use_custom_template &&
15845         Request("Copy settings from level template?", REQ_ASK))
15846     {
15847       return;
15848     }
15849
15850     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15851
15852     DrawEditModeWindow();
15853   }
15854   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15855   {
15856     if (setup.editor.use_template_for_new_levels &&
15857         !fileExists(getGlobalLevelTemplateFilename()))
15858     {
15859       Request("No level template found!", REQ_CONFIRM);
15860
15861       return;
15862     }
15863
15864     if (setup.editor.use_template_for_new_levels &&
15865         level.changed &&
15866         !Request("Discard level and load template?", REQ_ASK))
15867     {
15868       return;
15869     }
15870
15871     if (!setup.editor.use_template_for_new_levels &&
15872         level.changed &&
15873         !Request("Discard level and use empty level?", REQ_ASK))
15874     {
15875       return;
15876     }
15877
15878     LoadLevel(level_nr);
15879     LoadScore(level_nr);
15880
15881     TapeErase();
15882
15883     ResetUndoBuffer();
15884     DrawEditModeWindow();
15885   }
15886   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15887   {
15888     SetAutomaticNumberOfGemsNeeded();
15889   }
15890
15891   // do not mark level as modified for certain non-level-changing gadgets
15892   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15893        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15894       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15895        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15896        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15897       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15898     return;
15899
15900   level.changed = TRUE;
15901 }
15902
15903 static void HandleControlButtons(struct GadgetInfo *gi)
15904 {
15905   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15906   static int last_edit_mode = ED_MODE_DRAWING;
15907   static int last_custom_copy_mode = -1;
15908   static int last_button = 0;
15909   int id = gi->custom_id;
15910   int button = gi->event.button;
15911   int step = BUTTON_STEPSIZE(button);
15912   int new_element = BUTTON_ELEMENT(button);
15913   int last_properties_element = properties_element;
15914   int x, y;
15915
15916   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15917     DrawLevelText(0, 0, 0, TEXT_END);
15918
15919   if (id < ED_NUM_CTRL1_BUTTONS &&
15920       id != GADGET_ID_SINGLE_ITEMS &&
15921       id != GADGET_ID_PICK_ELEMENT &&
15922       edit_mode != ED_MODE_DRAWING &&
15923       drawing_function != GADGET_ID_PICK_ELEMENT &&
15924       !(GetKeyModState() & KMOD_Control))
15925     ChangeEditModeWindow(ED_MODE_DRAWING);
15926
15927   // element copy mode active, but no element button pressed => deactivate
15928   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15929     last_custom_copy_mode = -1;
15930
15931   // when showing palette on element buttons, change element of button used
15932   if (editor.palette.show_on_element_buttons &&
15933       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15934   {
15935     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15936
15937     id = GADGET_ID_PALETTE;
15938   }
15939
15940   switch (id)
15941   {
15942     case GADGET_ID_SCROLL_LEFT:
15943       if (level_xpos >= 0)
15944       {
15945         if (lev_fieldx < ed_fieldx - 2)
15946           break;
15947
15948         level_xpos -= step;
15949         if (level_xpos < -1)
15950           level_xpos = -1;
15951         if (button == 1)
15952           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15953         else
15954           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15955
15956         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15957                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15958       }
15959       break;
15960
15961     case GADGET_ID_SCROLL_RIGHT:
15962       if (level_xpos <= lev_fieldx - ed_fieldx)
15963       {
15964         if (lev_fieldx < ed_fieldx - 2)
15965           break;
15966
15967         level_xpos += step;
15968         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15969           level_xpos = lev_fieldx - ed_fieldx + 1;
15970         if (button == 1)
15971           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15972         else
15973           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15974
15975         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15976                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15977       }
15978       break;
15979
15980     case GADGET_ID_SCROLL_UP:
15981       if (level_ypos >= 0)
15982       {
15983         if (lev_fieldy < ed_fieldy - 2)
15984           break;
15985
15986         level_ypos -= step;
15987         if (level_ypos < -1)
15988           level_ypos = -1;
15989         if (button == 1)
15990           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15991         else
15992           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15993
15994         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15995                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15996       }
15997       break;
15998
15999     case GADGET_ID_SCROLL_DOWN:
16000       if (level_ypos <= lev_fieldy - ed_fieldy)
16001       {
16002         if (lev_fieldy < ed_fieldy - 2)
16003           break;
16004
16005         level_ypos += step;
16006         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16007           level_ypos = lev_fieldy - ed_fieldy + 1;
16008         if (button == 1)
16009           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16010         else
16011           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16012
16013         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16014                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16015       }
16016       break;
16017
16018     case GADGET_ID_SCROLL_HORIZONTAL:
16019       level_xpos = gi->event.item_position - 1;
16020
16021       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16022       BackToFront();
16023
16024       break;
16025
16026     case GADGET_ID_SCROLL_VERTICAL:
16027       level_ypos = gi->event.item_position - 1;
16028
16029       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16030       BackToFront();
16031
16032       break;
16033
16034     case GADGET_ID_SCROLL_LIST_UP:
16035     case GADGET_ID_SCROLL_LIST_DOWN:
16036     case GADGET_ID_SCROLL_LIST_VERTICAL:
16037       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16038         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16039       else
16040       {
16041         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16042         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16043
16044         if (element_shift < 0)
16045           element_shift = 0;
16046         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16047           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16048
16049         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16050                      GDI_SCROLLBAR_ITEM_POSITION,
16051                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16052       }
16053
16054       ModifyEditorElementList();
16055
16056       break;
16057
16058     case GADGET_ID_PROPERTIES:
16059       // always switch off element properties when they are already displayed
16060       last_properties_element = new_element;
16061     case GADGET_ID_ELEMENT_LEFT:
16062     case GADGET_ID_ELEMENT_MIDDLE:
16063     case GADGET_ID_ELEMENT_RIGHT:
16064       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16065                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16066                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16067                             new_element);
16068
16069       if (edit_mode != ED_MODE_PROPERTIES)
16070       {
16071         last_edit_mode = edit_mode;
16072
16073         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16074
16075         last_level_drawing_function = drawing_function;
16076         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16077                       MB_LEFTBUTTON);
16078       }
16079       else if (properties_element != last_properties_element)
16080       {
16081         DrawEditModeWindow();
16082       }
16083       else
16084       {
16085         ChangeEditModeWindow(ED_MODE_DRAWING);
16086
16087         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16088                       MB_LEFTBUTTON);
16089       }
16090       break;
16091
16092     case GADGET_ID_PALETTE:
16093       if (edit_mode != ED_MODE_PALETTE)
16094       {
16095         last_edit_mode = edit_mode;
16096
16097         ChangeEditModeWindow(ED_MODE_PALETTE);
16098       }
16099       else
16100       {
16101         ChangeEditModeWindow(last_edit_mode);
16102       }
16103       break;
16104
16105     case GADGET_ID_WRAP_LEFT:
16106       WrapLevel(-step, 0);
16107       break;
16108
16109     case GADGET_ID_WRAP_RIGHT:
16110       WrapLevel(step, 0);
16111       break;
16112
16113     case GADGET_ID_WRAP_UP:
16114       WrapLevel(0, -step);
16115       break;
16116
16117     case GADGET_ID_WRAP_DOWN:
16118       WrapLevel(0, step);
16119       break;
16120
16121     case GADGET_ID_SINGLE_ITEMS:
16122     case GADGET_ID_CONNECTED_ITEMS:
16123     case GADGET_ID_LINE:
16124     case GADGET_ID_ARC:
16125     case GADGET_ID_TEXT:
16126     case GADGET_ID_RECTANGLE:
16127     case GADGET_ID_FILLED_BOX:
16128     case GADGET_ID_FLOOD_FILL:
16129     case GADGET_ID_GRAB_BRUSH:
16130     case GADGET_ID_PICK_ELEMENT:
16131       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16132         last_drawing_function = drawing_function;
16133       drawing_function = id;
16134       draw_with_brush = FALSE;
16135       break;
16136
16137     case GADGET_ID_RANDOM_PLACEMENT:
16138       RandomPlacement(new_element);
16139       break;
16140
16141     case GADGET_ID_ZOOM:
16142       // zoom level editor tile size in or out (or reset to default size)
16143       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16144                      button == 2 ? ed_tilesize_default :
16145                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16146
16147       // when using touch device, cycle through all zoom tilesizes
16148       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16149         ed_tilesize = MICRO_TILESIZE;
16150
16151       // limit zoom level by upper and lower bound
16152       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16153
16154       InitZoomLevelSettings(ed_tilesize);
16155
16156       if (edit_mode == ED_MODE_DRAWING)
16157       {
16158         DrawDrawingWindow();
16159
16160         // redraw zoom gadget info text
16161         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16162       }
16163
16164       // save current editor zoom tilesize
16165       SaveSetup_AutoSetup();
16166
16167       break;
16168
16169     case GADGET_ID_CUSTOM_COPY_FROM:
16170     case GADGET_ID_CUSTOM_COPY_TO:
16171     case GADGET_ID_CUSTOM_EXCHANGE:
16172       last_custom_copy_mode = id;
16173       last_drawing_function = drawing_function;
16174       break;
16175
16176     case GADGET_ID_CUSTOM_COPY:
16177       CopyCustomElement(properties_element, -1, id);
16178       break;
16179
16180     case GADGET_ID_CUSTOM_PASTE:
16181       CopyCustomElement(-1, properties_element, id);
16182       break;
16183
16184     case GADGET_ID_UNDO:
16185       if (button < 0)   // keep button value (even if modifier keys are pressed)
16186         button = -button;
16187       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16188         button = 3;
16189
16190       if (button == 1 && undo_buffer_steps == 0)
16191       {
16192         Request("Undo buffer empty!", REQ_CONFIRM);
16193
16194         break;
16195       }
16196       else if (button == 2)
16197       {
16198         break;
16199       }
16200       else if (button == 3 && redo_buffer_steps == 0)
16201       {
16202         Request("Redo buffer empty!", REQ_CONFIRM);
16203
16204         break;
16205       }
16206
16207       if (edit_mode != ED_MODE_DRAWING)
16208         ChangeEditModeWindow(ED_MODE_DRAWING);
16209
16210       if (button == 1)
16211       {
16212         // undo
16213
16214         undo_buffer_position =
16215           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16216
16217         undo_buffer_steps--;
16218         redo_buffer_steps++;
16219       }
16220       else
16221       {
16222         // redo
16223
16224         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16225
16226         undo_buffer_steps++;
16227         redo_buffer_steps--;
16228       }
16229
16230       for (x = 0; x < lev_fieldx; x++)
16231         for (y = 0; y < lev_fieldy; y++)
16232           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16233
16234       // check if undo operation forces change of border style
16235       CheckLevelBorderElement(FALSE);
16236
16237       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16238
16239       break;
16240
16241     case GADGET_ID_CONF:
16242       if (edit_mode != ED_MODE_LEVELCONFIG)
16243       {
16244         last_edit_mode = edit_mode;
16245
16246         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16247       }
16248       else
16249       {
16250         ChangeEditModeWindow(ED_MODE_DRAWING);
16251       }
16252       break;
16253
16254     case GADGET_ID_CLEAR:
16255       if (edit_mode != ED_MODE_DRAWING)
16256         ChangeEditModeWindow(ED_MODE_DRAWING);
16257
16258       for (x = 0; x < MAX_LEV_FIELDX; x++)
16259         for (y = 0; y < MAX_LEV_FIELDY; y++)
16260           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16261
16262       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16263
16264       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16265       break;
16266
16267     case GADGET_ID_SAVE:
16268     {
16269       // saving read-only levels into personal level set modifies global vars
16270       // "leveldir_current" and "level_nr"; restore them after saving level
16271       LevelDirTree *leveldir_former = leveldir_current;
16272       int level_nr_former = level_nr;
16273       char *level_filename;
16274       boolean new_level;
16275
16276       if (leveldir_current->readonly &&
16277           !PrepareSavingIntoPersonalLevelSet())
16278         break;
16279
16280       level_filename = getDefaultLevelFilename(level_nr);
16281       new_level = !fileExists(level_filename);
16282
16283       if (new_level ||
16284           Request("Save this level and kill the old?", REQ_ASK))
16285       {
16286         if (leveldir_former->readonly)
16287           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16288
16289         SetAutomaticNumberOfGemsNeeded();
16290
16291         CopyPlayfield(Tile, level.field);
16292         SaveLevel(level_nr);
16293
16294         level.changed = FALSE;
16295
16296         if (new_level)
16297         {
16298           char level_saved_msg[64];
16299
16300           if (leveldir_former->readonly)
16301             sprintf(level_saved_msg,
16302                     "Level saved as level %d into personal level set!",
16303                     level_nr);
16304           else
16305             strcpy(level_saved_msg, "Level saved!");
16306
16307           Request(level_saved_msg, REQ_CONFIRM);
16308         }
16309       }
16310
16311       // "cd" back to copied-from levelset (in case of saved read-only level)
16312       leveldir_current = leveldir_former;
16313       level_nr = level_nr_former;
16314
16315       break;
16316     }
16317
16318     case GADGET_ID_TEST:
16319       if (LevelChanged())
16320         level.game_version = GAME_VERSION_ACTUAL;
16321
16322       CopyPlayfield(level.field, TileBackup);
16323       CopyPlayfield(Tile, level.field);
16324
16325       CopyNativeLevel_RND_to_Native(&level);
16326
16327       UnmapLevelEditorGadgets();
16328       UndrawSpecialEditorDoor();
16329
16330       CloseDoor(DOOR_CLOSE_ALL);
16331
16332       // needed before playing if editor playfield area has different size
16333       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16334
16335       // redraw_mask = REDRAW_ALL;
16336
16337       level_editor_test_game = TRUE;
16338
16339       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16340
16341       break;
16342
16343     case GADGET_ID_EXIT:
16344       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16345       break;
16346
16347     default:
16348       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16349           id <= GADGET_ID_ELEMENTLIST_LAST)
16350       {
16351         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16352
16353         new_element = editor_elements[element_position + element_shift];
16354
16355         if (IS_EDITOR_CASCADE(new_element))
16356         {
16357           int i;
16358
16359           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16360           {
16361             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16362             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16363
16364             if (*cascade_element == new_element)
16365             {
16366               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16367               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16368
16369               // update element selection list
16370               ReinitializeElementList();
16371               ModifyEditorElementList();
16372
16373               // update cascading gadget info text
16374               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16375
16376               // save current editor cascading state
16377               SaveSetup_EditorCascade();
16378
16379               break;
16380             }
16381           }
16382
16383           break;
16384         }
16385
16386         if (last_custom_copy_mode != -1)
16387         {
16388           if (CopyCustomElement(properties_element, new_element,
16389                                 last_custom_copy_mode))
16390           {
16391             ClickOnGadget(level_editor_gadget[last_drawing_function],
16392                           MB_LEFTBUTTON);
16393
16394             last_custom_copy_mode = -1;
16395           }
16396
16397           break;
16398         }
16399
16400         // change element of button used to show palette
16401         if (editor.palette.show_on_element_buttons)
16402           button = last_button;
16403
16404         PickDrawingElement(button, new_element);
16405
16406         if (!stick_element_properties_window &&
16407             drawing_function != GADGET_ID_PICK_ELEMENT &&
16408             !(GetKeyModState() & KMOD_Control))
16409         {
16410           properties_element = new_element;
16411           if (edit_mode == ED_MODE_PROPERTIES)
16412             DrawPropertiesWindow();
16413         }
16414
16415         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16416           ClickOnGadget(level_editor_gadget[last_drawing_function],
16417                         MB_LEFTBUTTON);
16418
16419         if (!use_permanent_palette)
16420           ChangeEditModeWindow(last_edit_mode);
16421       }
16422 #ifdef DEBUG
16423       else if (gi->event.type == GD_EVENT_PRESSED)
16424         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16425       else if (gi->event.type == GD_EVENT_RELEASED)
16426         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16427       else if (gi->event.type == GD_EVENT_MOVING)
16428         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16429       else
16430         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16431 #endif
16432       break;
16433   }
16434 }
16435
16436 void HandleLevelEditorKeyInput(Key key)
16437 {
16438   char letter = getCharFromKey(key);
16439
16440   if (drawing_function == GADGET_ID_TEXT &&
16441       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16442   {
16443     if (letter)
16444       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16445     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16446       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16447     else if (key == KSYM_Return)
16448       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16449     else if (key == KSYM_Escape)
16450       DrawLevelText(0, 0, 0, TEXT_END);
16451
16452     return;
16453   }
16454
16455   int id = GADGET_ID_NONE;
16456   int new_element_shift = element_shift;
16457   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16458   int button = MB_LEFTBUTTON;
16459   int i;
16460
16461   switch (key)
16462   {
16463     case KSYM_Left:
16464       id = GADGET_ID_SCROLL_LEFT;
16465       break;
16466     case KSYM_Right:
16467       id = GADGET_ID_SCROLL_RIGHT;
16468       break;
16469     case KSYM_Up:
16470       id = GADGET_ID_SCROLL_UP;
16471       break;
16472     case KSYM_Down:
16473       id = GADGET_ID_SCROLL_DOWN;
16474       break;
16475
16476     case KSYM_Page_Up:
16477     case KSYM_Page_Down:
16478       step *= (key == KSYM_Page_Up ? -1 : +1);
16479       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16480
16481       if (element_shift < 0)
16482         element_shift = 0;
16483       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16484         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16485
16486       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16487                    GDI_SCROLLBAR_ITEM_POSITION,
16488                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16489
16490       ModifyEditorElementList();
16491
16492       break;
16493
16494     case KSYM_Home:
16495     case KSYM_End:
16496       element_shift = (key == KSYM_Home ? 0 :
16497                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16498
16499       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16500                    GDI_SCROLLBAR_ITEM_POSITION,
16501                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16502
16503       ModifyEditorElementList();
16504
16505       break;
16506
16507     case KSYM_Insert:
16508     case KSYM_Delete:
16509
16510       // this is needed to prevent interference with running "True X-Mouse"
16511       if (GetKeyModStateFromEvents() & KMOD_Control)
16512         break;
16513
16514       // check for last or next editor cascade block in element list
16515       for (i = 0; i < num_editor_elements; i++)
16516       {
16517         if ((key == KSYM_Insert && i == element_shift) ||
16518             (key == KSYM_Delete && new_element_shift > element_shift))
16519           break;
16520
16521         // jump to next cascade block (or to start of element list)
16522         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16523           new_element_shift = i;
16524       }
16525
16526       if (i < num_editor_elements)
16527         element_shift = new_element_shift;
16528
16529       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16530         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16531
16532       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16533                    GDI_SCROLLBAR_ITEM_POSITION,
16534                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16535
16536       ModifyEditorElementList();
16537
16538       break;
16539
16540     case KSYM_Escape:
16541       if (edit_mode == ED_MODE_DRAWING)
16542         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16543       else if (edit_mode == ED_MODE_LEVELCONFIG)
16544         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16545       else if (edit_mode == ED_MODE_PROPERTIES)
16546         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16547       else if (edit_mode == ED_MODE_PALETTE)
16548         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16549       else              // should never happen
16550         ChangeEditModeWindow(ED_MODE_DRAWING);
16551
16552       break;
16553
16554     default:
16555       break;
16556   }
16557
16558   if (id != GADGET_ID_NONE)
16559     ClickOnGadget(level_editor_gadget[id], button);
16560   else if (letter == '1' || letter == '?')
16561     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16562   else if (letter == '2')
16563     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16564   else if (letter == '3')
16565     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16566   else if (letter == '.')
16567     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16568   else if (letter == 'U')
16569     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16570   else if (letter == '-' || key == KSYM_KP_Subtract)
16571     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16572   else if (letter == '0' || key == KSYM_KP_0)
16573     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16574   else if (letter == '+' || key == KSYM_KP_Add ||
16575            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16576     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16577   else if (key == KSYM_Return ||
16578            key == KSYM_space ||
16579            key == setup.shortcut.toggle_pause)
16580     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16581   else
16582     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16583       if (letter && letter == controlbutton_info[i].shortcut)
16584         if (!anyTextGadgetActive())
16585           ClickOnGadget(level_editor_gadget[i], button);
16586
16587   if (draw_with_brush)
16588   {
16589     if (letter == 'x')
16590       FlipBrushX();
16591     else if (letter == 'y')
16592       FlipBrushY();
16593     else if (letter == 'z')
16594       RotateBrush();
16595   }
16596 }
16597
16598 static void HandleLevelEditorIdle_Properties(void)
16599 {
16600   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16601   int x = editor.settings.element_graphic.x + element_border;
16602   int y = editor.settings.element_graphic.y + element_border;
16603   static DelayCounter action_delay = { 0 };
16604   int i;
16605
16606   action_delay.value = GameFrameDelay;
16607
16608   if (!DelayReached(&action_delay))
16609     return;
16610
16611   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16612   {
16613     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16614
16615     if (gi->mapped && gi->active && gi->selectbox.open)
16616       return;
16617   }
16618
16619   DrawEditorElementAnimation(SX + x, SY + y);
16620
16621   redraw_mask |= REDRAW_FIELD;
16622
16623   FrameCounter++;       // increase animation frame counter
16624 }
16625
16626 static void HandleLevelEditorIdle_Drawing(void)
16627 {
16628   static boolean last_highlighted = FALSE;
16629   static boolean last_highlighted_similar = FALSE;
16630   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16631   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16632
16633   if (highlighted != last_highlighted ||
16634       (highlighted && highlighted_similar != last_highlighted_similar))
16635   {
16636     DrawAreaElementHighlight(highlighted, highlighted_similar);
16637
16638     redraw_mask |= REDRAW_FIELD;
16639   }
16640
16641   last_highlighted = highlighted;
16642   last_highlighted_similar = highlighted_similar;
16643 }
16644
16645 void HandleLevelEditorIdle(void)
16646 {
16647   if (edit_mode == ED_MODE_PROPERTIES)
16648     HandleLevelEditorIdle_Properties();
16649   else if (edit_mode == ED_MODE_DRAWING)
16650     HandleLevelEditorIdle_Drawing();
16651 }
16652
16653 static void ClearEditorGadgetInfoText(void)
16654 {
16655   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16656 }
16657
16658 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16659 {
16660   char infotext[MAX_OUTPUT_LINESIZE + 1];
16661   int max_infotext_len = getMaxInfoTextLength();
16662
16663   if (gi == NULL || strlen(gi->info_text) == 0)
16664     return;
16665
16666   strncpy(infotext, gi->info_text, max_infotext_len);
16667   infotext[max_infotext_len] = '\0';
16668
16669   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16670   {
16671     int key = controlbutton_info[gi->custom_id].shortcut;
16672
16673     if (key)
16674     {
16675       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16676
16677       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16678         sprintf(shortcut, " ('.' or '%c')", key);
16679       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16680         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16681       else if (gi->custom_id == GADGET_ID_TEST)
16682         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16683       else if (gi->custom_id == GADGET_ID_UNDO)
16684         sprintf(shortcut, " ('%c/Shift-U')", key);
16685       else if (gi->custom_id == GADGET_ID_ZOOM)
16686         sprintf(shortcut, " ('%c', '0', '-')", key);
16687       else
16688         sprintf(shortcut, " ('%s%c')",
16689                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16690
16691       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16692         strcat(infotext, shortcut);
16693     }
16694   }
16695
16696   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16697 }
16698
16699 void HandleEditorGadgetInfoText(void *ptr)
16700 {
16701   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16702
16703   if (game_status != GAME_MODE_EDITOR)
16704     return;
16705
16706   ClearEditorGadgetInfoText();
16707
16708   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16709     return;
16710
16711   // misuse this function to delete brush cursor, if needed
16712   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16713     DeleteBrushFromCursor();
16714
16715   PrintEditorGadgetInfoText(gi);
16716 }
16717
16718 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16719 {
16720   int id = gi->custom_id;
16721   int type_id = gi->custom_type_id;
16722   int sx = gi->event.x;
16723   int sy = gi->event.y;
16724   int lx = sx + level_xpos;
16725   int ly = sy + level_ypos;
16726   int min_sx = 0, min_sy = 0;
16727   int max_sx = gi->drawing.area_xsize - 1;
16728   int max_sy = gi->drawing.area_ysize - 1;
16729   int actual_drawing_function = drawing_function;
16730   int max_infotext_len = getMaxInfoTextLength();
16731   char infotext[MAX_OUTPUT_LINESIZE + 1];
16732
16733   infotext[0] = '\0';           // start with empty info text
16734
16735   // pressed Control key: simulate picking element
16736   if (GetKeyModState() & KMOD_Control)
16737     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16738
16739   ClearEditorGadgetInfoText();
16740
16741   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16742     return;
16743
16744   // make sure to stay inside drawing area boundaries
16745   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16746   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16747
16748   if (id == GADGET_ID_DRAWING_LEVEL)
16749   {
16750     if (button_status)
16751     {
16752       int min_lx = 0, min_ly = 0;
16753       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16754
16755       // get positions inside level field
16756       lx = sx + level_xpos;
16757       ly = sy + level_ypos;
16758
16759       // make sure to stay inside level field boundaries
16760       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16761       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16762
16763       // correct drawing area positions accordingly
16764       sx = lx - level_xpos;
16765       sy = ly - level_ypos;
16766     }
16767
16768     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16769     {
16770       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16771       {
16772         static int start_lx = 0;
16773         static int start_ly = 0;
16774         char *text;
16775
16776         if (gi->event.type == GD_EVENT_PRESSED)
16777         {
16778           start_lx = lx;
16779           start_ly = ly;
16780         }
16781
16782         switch (actual_drawing_function)
16783         {
16784           case GADGET_ID_SINGLE_ITEMS:
16785             text = "Drawing single items";
16786             break;
16787           case GADGET_ID_CONNECTED_ITEMS:
16788             text = "Drawing connected items";
16789             break;
16790           case GADGET_ID_LINE:
16791             text = "Drawing line";
16792             break;
16793           case GADGET_ID_ARC:
16794             text = "Drawing arc";
16795             break;
16796           case GADGET_ID_TEXT:
16797             text = "Setting text cursor";
16798             break;
16799           case GADGET_ID_RECTANGLE:
16800             text = "Drawing rectangle";
16801             break;
16802           case GADGET_ID_FILLED_BOX:
16803             text = "Drawing filled box";
16804             break;
16805           case GADGET_ID_FLOOD_FILL:
16806             text = "Flood fill";
16807             break;
16808           case GADGET_ID_GRAB_BRUSH:
16809             text = "Grabbing brush";
16810             break;
16811           case GADGET_ID_PICK_ELEMENT:
16812             text = "Picking element";
16813             break;
16814
16815           default:
16816             text = "Drawing position";
16817             break;
16818         }
16819
16820         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16821           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16822         else
16823           sprintf(infotext, "%s: %d, %d", text,
16824                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16825       }
16826       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16827         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16828       else
16829         sprintf(infotext, "Level position: %d, %d", lx, ly);
16830     }
16831
16832     // misuse this function to draw brush cursor, if needed
16833     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16834     {
16835       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16836         CopyBrushToCursor(sx, sy);
16837       else
16838         DeleteBrushFromCursor();
16839     }
16840
16841     if (!draw_with_brush)
16842       UpdateBrushPosition(sx, sy);
16843   }
16844   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16845   {
16846     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16847     int element = drawingarea_info[type_id].value[pos];
16848
16849     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16850   }
16851   else
16852   {
16853     if (id == GADGET_ID_CUSTOM_CONTENT)
16854       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16855     else if (id == GADGET_ID_GROUP_CONTENT)
16856       sprintf(infotext, "group element position: %d", sx + 1);
16857     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16858              id <= GADGET_ID_YAMYAM_CONTENT_7)
16859       sprintf(infotext, "content area %d position: %d, %d",
16860               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16861     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16862              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16863       sprintf(infotext, "content area %d position: %d, %d",
16864               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16865     else if (id == GADGET_ID_ANDROID_CONTENT)
16866       sprintf(infotext, "android element position: %d", sx + 1);
16867     else if (drawingarea_info[type_id].infotext != NULL)
16868       strcpy(infotext, drawingarea_info[type_id].infotext);
16869   }
16870
16871   infotext[max_infotext_len] = '\0';
16872
16873   if (strlen(infotext) > 0)
16874     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16875 }
16876
16877 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16878                             boolean quick_quit)
16879 {
16880   if (!ask_if_level_has_changed ||
16881       !LevelChanged() ||
16882       Request("Level has changed! Exit without saving?",
16883               REQ_ASK | REQ_STAY_OPEN))
16884   {
16885     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16886     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16887
16888     // draw normal door
16889     UndrawSpecialEditorDoor();
16890
16891     // use door animation if door 1 viewport is unchanged and contains toolbox
16892     if (useEditorDoorAnimation())
16893       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16894
16895     // close editor doors if viewport definition is the same as in main menu
16896     if (vp_door_1->x      == DX     &&
16897         vp_door_1->y      == DY     &&
16898         vp_door_1->width  == DXSIZE &&
16899         vp_door_1->height == DYSIZE &&
16900         vp_door_2->x      == VX     &&
16901         vp_door_2->y      == VY     &&
16902         vp_door_2->width  == VXSIZE &&
16903         vp_door_2->height == VYSIZE)
16904       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16905     else
16906       SetDoorState(DOOR_CLOSE_ALL);
16907
16908     BackToFront();
16909
16910     if (quick_quit)
16911       FadeSkipNextFadeIn();
16912
16913     SetGameStatus(GAME_MODE_MAIN);
16914
16915     DrawMainMenu();
16916   }
16917   else
16918   {
16919     if (!global.use_envelope_request)
16920     {
16921       CloseDoor(DOOR_CLOSE_1);
16922       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16923     }
16924   }
16925 }