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_START_ELEMENT,
 585   GADGET_ID_ARTWORK_ELEMENT,
 586   GADGET_ID_EXPLOSION_ELEMENT,
 587   GADGET_ID_INVENTORY_CONTENT,
 588   GADGET_ID_MM_BALL_CONTENT,
 589   GADGET_ID_CUSTOM_GRAPHIC,
 590   GADGET_ID_CUSTOM_CONTENT,
 591   GADGET_ID_CUSTOM_MOVE_ENTER,
 592   GADGET_ID_CUSTOM_MOVE_LEAVE,
 593   GADGET_ID_CUSTOM_CHANGE_TARGET,
 594   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 595   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 596   GADGET_ID_CUSTOM_CHANGE_ACTION,
 597   GADGET_ID_GROUP_CONTENT,
 598   GADGET_ID_RANDOM_BACKGROUND,
 599
 600   // text input identifiers
 601
 602   GADGET_ID_LEVEL_NAME,
 603   GADGET_ID_LEVEL_AUTHOR,
 604   GADGET_ID_LEVELSET_NAME,
 605   GADGET_ID_LEVELSET_AUTHOR,
 606   GADGET_ID_ELEMENT_NAME,
 607
 608   // text area identifiers
 609
 610   GADGET_ID_ENVELOPE_INFO,
 611
 612   // selectbox identifiers
 613
 614   GADGET_ID_TIME_OR_STEPS,
 615   GADGET_ID_TIME_SCORE_BASE,
 616   GADGET_ID_GAME_ENGINE_TYPE,
 617   GADGET_ID_BD_SCHEDULING_TYPE,
 618   GADGET_ID_LEVELSET_SAVE_MODE,
 619   GADGET_ID_WIND_DIRECTION,
 620   GADGET_ID_PLAYER_SPEED,
 621   GADGET_ID_MM_BALL_CHOICE_MODE,
 622   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 623   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 624   GADGET_ID_CUSTOM_DEADLINESS,
 625   GADGET_ID_CUSTOM_MOVE_PATTERN,
 626   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 627   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 628   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 629   GADGET_ID_CUSTOM_SMASH_TARGETS,
 630   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 631   GADGET_ID_CUSTOM_ACCESS_TYPE,
 632   GADGET_ID_CUSTOM_ACCESS_LAYER,
 633   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 634   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 635   GADGET_ID_CHANGE_TIME_UNITS,
 636   GADGET_ID_CHANGE_DIRECT_ACTION,
 637   GADGET_ID_CHANGE_OTHER_ACTION,
 638   GADGET_ID_CHANGE_SIDE,
 639   GADGET_ID_CHANGE_PLAYER,
 640   GADGET_ID_CHANGE_PAGE,
 641   GADGET_ID_CHANGE_REPLACE_WHEN,
 642   GADGET_ID_ACTION_TYPE,
 643   GADGET_ID_ACTION_MODE,
 644   GADGET_ID_ACTION_ARG,
 645   GADGET_ID_SELECT_CHANGE_PAGE,
 646   GADGET_ID_GROUP_CHOICE_MODE,
 647
 648   // textbutton identifiers
 649
 650   GADGET_ID_LEVELCONFIG_LEVEL,
 651   GADGET_ID_LEVELCONFIG_LEVELSET,
 652   GADGET_ID_LEVELCONFIG_EDITOR,
 653   GADGET_ID_LEVELCONFIG_ENGINE,
 654   GADGET_ID_PROPERTIES_INFO,
 655   GADGET_ID_PROPERTIES_CONFIG,
 656   GADGET_ID_PROPERTIES_CONFIG_1,
 657   GADGET_ID_PROPERTIES_CONFIG_2,
 658   GADGET_ID_PROPERTIES_CHANGE,
 659   GADGET_ID_SAVE_AS_TEMPLATE_1,
 660   GADGET_ID_SAVE_AS_TEMPLATE_2,
 661   GADGET_ID_SAVE_LEVELSET,
 662   GADGET_ID_ADD_CHANGE_PAGE,
 663   GADGET_ID_DEL_CHANGE_PAGE,
 664
 665   // graphicbutton identifiers
 666
 667   GADGET_ID_PREV_CHANGE_PAGE,
 668   GADGET_ID_NEXT_CHANGE_PAGE,
 669   GADGET_ID_COPY_CHANGE_PAGE,
 670   GADGET_ID_PASTE_CHANGE_PAGE,
 671
 672   // gadgets for scrolling of drawing area
 673
 674   GADGET_ID_SCROLL_UP,
 675   GADGET_ID_SCROLL_DOWN,
 676   GADGET_ID_SCROLL_LEFT,
 677   GADGET_ID_SCROLL_RIGHT,
 678   GADGET_ID_SCROLL_HORIZONTAL,
 679   GADGET_ID_SCROLL_VERTICAL,
 680
 681   // gadgets for scrolling element list
 682
 683   GADGET_ID_SCROLL_LIST_UP,
 684   GADGET_ID_SCROLL_LIST_DOWN,
 685   GADGET_ID_SCROLL_LIST_VERTICAL,
 686
 687   // checkbuttons/radiobuttons for level/element properties
 688
 689   GADGET_ID_AUTO_COUNT_GEMS,
 690   GADGET_ID_RATE_TIME_OVER_SCORE,
 691   GADGET_ID_USE_LEVELSET_ARTWORK,
 692   GADGET_ID_COPY_LEVEL_TEMPLATE,
 693   GADGET_ID_RANDOM_PERCENTAGE,
 694   GADGET_ID_RANDOM_QUANTITY,
 695   GADGET_ID_RANDOM_RESTRICTED,
 696   GADGET_ID_BD_INTERMISSION,
 697   GADGET_ID_BD_PAL_TIMING,
 698   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 699   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 700   GADGET_ID_BD_SHORT_EXPLOSIONS,
 701   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 702   GADGET_ID_STICK_ELEMENT,
 703   GADGET_ID_EM_SLIPPERY_GEMS,
 704   GADGET_ID_EM_EXPLODES_BY_FIRE,
 705   GADGET_ID_USE_SPRING_BUG,
 706   GADGET_ID_USE_TIME_ORB_BUG,
 707   GADGET_ID_USE_LIFE_BUGS,
 708   GADGET_ID_RANDOM_BALL_CONTENT,
 709   GADGET_ID_INITIAL_BALL_ACTIVE,
 710   GADGET_ID_GROW_INTO_DIGGABLE,
 711   GADGET_ID_SB_FIELDS_NEEDED,
 712   GADGET_ID_SB_OBJECTS_NEEDED,
 713   GADGET_ID_AUTO_EXIT_SOKOBAN,
 714   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 715   GADGET_ID_FINISH_DIG_COLLECT,
 716   GADGET_ID_KEEP_WALKABLE_CE,
 717   GADGET_ID_CONTINUOUS_SNAPPING,
 718   GADGET_ID_BLOCK_SNAP_FIELD,
 719   GADGET_ID_BLOCK_LAST_FIELD,
 720   GADGET_ID_SP_BLOCK_LAST_FIELD,
 721   GADGET_ID_INSTANT_RELOCATION,
 722   GADGET_ID_SHIFTED_RELOCATION,
 723   GADGET_ID_LAZY_RELOCATION,
 724   GADGET_ID_USE_START_ELEMENT,
 725   GADGET_ID_USE_ARTWORK_ELEMENT,
 726   GADGET_ID_USE_EXPLOSION_ELEMENT,
 727   GADGET_ID_INITIAL_GRAVITY,
 728   GADGET_ID_USE_INITIAL_INVENTORY,
 729   GADGET_ID_CAN_PASS_TO_WALKABLE,
 730   GADGET_ID_CAN_FALL_INTO_ACID,
 731   GADGET_ID_CAN_MOVE_INTO_ACID,
 732   GADGET_ID_DONT_COLLIDE_WITH,
 733   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 734   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 735   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 736   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 737   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 738   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 739   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 740   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 741   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 742   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 743   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 744   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 745   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 746   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 747   GADGET_ID_BD_REPLICATORS_ACTIVE,
 748   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 749   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 750   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 751   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 752   GADGET_ID_ENVELOPE_AUTOWRAP,
 753   GADGET_ID_ENVELOPE_CENTERED,
 754   GADGET_ID_MM_LASER_RED,
 755   GADGET_ID_MM_LASER_GREEN,
 756   GADGET_ID_MM_LASER_BLUE,
 757   GADGET_ID_DF_LASER_RED,
 758   GADGET_ID_DF_LASER_GREEN,
 759   GADGET_ID_DF_LASER_BLUE,
 760   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 761   GADGET_ID_EXPLODE_MM_BALL,
 762   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 763   GADGET_ID_CUSTOM_CAN_EXPLODE,
 764   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 765   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 766   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 767   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 768   GADGET_ID_CUSTOM_DEADLY,
 769   GADGET_ID_CUSTOM_CAN_MOVE,
 770   GADGET_ID_CUSTOM_CAN_FALL,
 771   GADGET_ID_CUSTOM_CAN_SMASH,
 772   GADGET_ID_CUSTOM_SLIPPERY,
 773   GADGET_ID_CUSTOM_ACCESSIBLE,
 774   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 775   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 776   GADGET_ID_CUSTOM_USE_GRAPHIC,
 777   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 778   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 779   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 780   GADGET_ID_CUSTOM_CAN_CHANGE,
 781   GADGET_ID_CHANGE_USE_CONTENT,
 782   GADGET_ID_CHANGE_USE_EXPLOSION,
 783   GADGET_ID_CHANGE_ONLY_COMPLETE,
 784   GADGET_ID_CHANGE_USE_RANDOM,
 785   GADGET_ID_CHANGE_HAS_ACTION,
 786   GADGET_ID_CHANGE_DELAY,
 787   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 788   GADGET_ID_CHANGE_BY_OTHER_ACT,
 789
 790   NUM_STATIC_GADGET_IDS
 791 };
 792
 793 // gadgets for buttons in element list (dynamic)
 794 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 795 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 796                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 797
 798 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 799
 800 // radio button numbers
 801 enum
 802 {
 803   RADIO_NR_NONE,
 804   RADIO_NR_DRAWING_TOOLBOX,
 805   RADIO_NR_RANDOM_ELEMENTS
 806 };
 807
 808 // values for counter gadgets
 809 enum
 810 {
 811   ED_COUNTER_ID_SELECT_LEVEL,
 812   ED_COUNTER_ID_LEVEL_XSIZE,
 813   ED_COUNTER_ID_LEVEL_YSIZE,
 814   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 815   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 816   ED_COUNTER_ID_LEVEL_TIMESCORE,
 817   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 818   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 819   ED_COUNTER_ID_LEVEL_RANDOM,
 820   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 821   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 822   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 823   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 824   ED_COUNTER_ID_BD_PUSHING_PROB,
 825   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 826   ED_COUNTER_ID_ELEMENT_VALUE1,
 827   ED_COUNTER_ID_ELEMENT_VALUE2,
 828   ED_COUNTER_ID_ELEMENT_VALUE3,
 829   ED_COUNTER_ID_ELEMENT_VALUE4,
 830   ED_COUNTER_ID_YAMYAM_CONTENT,
 831   ED_COUNTER_ID_BALL_CONTENT,
 832   ED_COUNTER_ID_ANDROID_CONTENT,
 833   ED_COUNTER_ID_ENVELOPE_XSIZE,
 834   ED_COUNTER_ID_ENVELOPE_YSIZE,
 835   ED_COUNTER_ID_INVENTORY_SIZE,
 836   ED_COUNTER_ID_MM_BALL_CONTENT,
 837   ED_COUNTER_ID_CUSTOM_SCORE,
 838   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 839   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 840   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 841   ED_COUNTER_ID_PUSH_DELAY_FIX,
 842   ED_COUNTER_ID_PUSH_DELAY_RND,
 843   ED_COUNTER_ID_DROP_DELAY_FIX,
 844   ED_COUNTER_ID_DROP_DELAY_RND,
 845   ED_COUNTER_ID_MOVE_DELAY_FIX,
 846   ED_COUNTER_ID_MOVE_DELAY_RND,
 847   ED_COUNTER_ID_STEP_DELAY_FIX,
 848   ED_COUNTER_ID_STEP_DELAY_RND,
 849   ED_COUNTER_ID_EXPLOSION_DELAY,
 850   ED_COUNTER_ID_IGNITION_DELAY,
 851   ED_COUNTER_ID_GROUP_CONTENT,
 852   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 853   ED_COUNTER_ID_CHANGE_DELAY_RND,
 854   ED_COUNTER_ID_CHANGE_CONT_RND,
 855
 856   ED_NUM_COUNTERBUTTONS
 857 };
 858
 859 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 860 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 861 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 862 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 863 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 864 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 865
 866 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 867 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 868 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 869 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 870 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 871 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 872
 873 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 874 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 875
 876 // values for scrollbutton gadgets
 877 enum
 878 {
 879   ED_SCROLLBUTTON_ID_AREA_UP,
 880   ED_SCROLLBUTTON_ID_AREA_DOWN,
 881   ED_SCROLLBUTTON_ID_AREA_LEFT,
 882   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 883   ED_SCROLLBUTTON_ID_LIST_UP,
 884   ED_SCROLLBUTTON_ID_LIST_DOWN,
 885
 886   ED_NUM_SCROLLBUTTONS
 887 };
 888
 889 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 890 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 891
 892 // values for scrollbar gadgets
 893 enum
 894 {
 895   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 896   ED_SCROLLBAR_ID_AREA_VERTICAL,
 897   ED_SCROLLBAR_ID_LIST_VERTICAL,
 898
 899   ED_NUM_SCROLLBARS
 900 };
 901
 902 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 903 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 904
 905 // values for text input gadgets
 906 enum
 907 {
 908   ED_TEXTINPUT_ID_LEVEL_NAME,
 909   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 910   ED_TEXTINPUT_ID_LEVELSET_NAME,
 911   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 912   ED_TEXTINPUT_ID_ELEMENT_NAME,
 913
 914   ED_NUM_TEXTINPUT
 915 };
 916
 917 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 918 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 919
 920 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 921 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 922
 923 // values for text area gadgets
 924 enum
 925 {
 926   ED_TEXTAREA_ID_ENVELOPE_INFO,
 927
 928   ED_NUM_TEXTAREAS
 929 };
 930
 931 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 932 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 933
 934 // values for selectbox gadgets
 935 enum
 936 {
 937   ED_SELECTBOX_ID_TIME_OR_STEPS,
 938   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 939   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 940   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 941   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 942   ED_SELECTBOX_ID_WIND_DIRECTION,
 943   ED_SELECTBOX_ID_PLAYER_SPEED,
 944   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 945   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 946   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 947   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 948   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 949   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 950   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 951   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 952   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 953   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 954   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 955   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 956   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 957   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 958   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 959   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 960   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 961   ED_SELECTBOX_ID_CHANGE_SIDE,
 962   ED_SELECTBOX_ID_CHANGE_PLAYER,
 963   ED_SELECTBOX_ID_CHANGE_PAGE,
 964   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 965   ED_SELECTBOX_ID_ACTION_TYPE,
 966   ED_SELECTBOX_ID_ACTION_MODE,
 967   ED_SELECTBOX_ID_ACTION_ARG,
 968   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 969   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 970
 971   ED_NUM_SELECTBOX
 972 };
 973
 974 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 975 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 976
 977 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 978 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 979
 980 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 981 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 982
 983 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 984 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 985 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 986 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 987 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 988 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 989
 990 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 991 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 992
 993 // values for textbutton gadgets
 994 enum
 995 {
 996   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 997   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 998   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 999   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1000   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1001   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1002   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1003   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1004   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1005   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1006   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1007   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1008   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1009   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1010
1011   ED_NUM_TEXTBUTTONS
1012 };
1013
1014 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1015 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1016
1017 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1018 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1019
1020 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1021 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1022
1023 // values for graphicbutton gadgets
1024 enum
1025 {
1026   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1027   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1028   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1029   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1030
1031   ED_NUM_GRAPHICBUTTONS
1032 };
1033
1034 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1035 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1036
1037 // values for checkbutton gadgets
1038 enum
1039 {
1040   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1041   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1042   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1043   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1044   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1045   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1046   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1047   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1048   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1049   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1050   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1051   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1052   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1053   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1054   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1055   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1056   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1057   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1058   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1059   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1060   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1061   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1062   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1063   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1064   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1065   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1066   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1067   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1068   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1069   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1070   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1071   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1072   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1073   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1074   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1075   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1076   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1077   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1078   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1079   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1080   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1081   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1082   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1083   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1084   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1085   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1086   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1087   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1088   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1089   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1090   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1091   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1092   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1093   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1094   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1095   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1096   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1097   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1098   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1099   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1100   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1101   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1102   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1103   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1104   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1105   ED_CHECKBUTTON_ID_MM_LASER_RED,
1106   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1107   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1108   ED_CHECKBUTTON_ID_DF_LASER_RED,
1109   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1110   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1111   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1112   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1113   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1114   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1115   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1116   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1117   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1118   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1119   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1120   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1121   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1122   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1123   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1124   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1125   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1126   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1127   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1128   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1129   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1130   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1131   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1132   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1133   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1134   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1135   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1136   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1137   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1138
1139   ED_NUM_CHECKBUTTONS
1140 };
1141
1142 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1143 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1144
1145 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1146 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1147
1148 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1149 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1150
1151 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1152 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1153
1154 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1155 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1156 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1157 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1158 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1159 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1160
1161 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1162 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1163
1164 // values for radiobutton gadgets
1165 enum
1166 {
1167   ED_RADIOBUTTON_ID_PERCENTAGE,
1168   ED_RADIOBUTTON_ID_QUANTITY,
1169
1170   ED_NUM_RADIOBUTTONS
1171 };
1172
1173 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1174 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1175
1176 // values for drawing area gadgets
1177 enum
1178 {
1179   ED_DRAWING_ID_DRAWING_LEVEL,
1180   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1181   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1182   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1183   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1184   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1185   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1186   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1187   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1188   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1189   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1190   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1191   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1192   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1193   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1194   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1195   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1196   ED_DRAWING_ID_ANDROID_CONTENT,
1197   ED_DRAWING_ID_AMOEBA_CONTENT,
1198   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1199   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1200   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1201   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1202   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1203   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1204   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1205   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1206   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1207   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1208   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1209   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1210   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1211   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1212   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1213   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1214   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1215   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1216   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1217   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1218   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1219   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1220   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1221   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1222   ED_DRAWING_ID_BD_NUT_CONTENT,
1223   ED_DRAWING_ID_START_ELEMENT,
1224   ED_DRAWING_ID_ARTWORK_ELEMENT,
1225   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1226   ED_DRAWING_ID_INVENTORY_CONTENT,
1227   ED_DRAWING_ID_MM_BALL_CONTENT,
1228   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1229   ED_DRAWING_ID_CUSTOM_CONTENT,
1230   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1231   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1232   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1233   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1234   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1235   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1236   ED_DRAWING_ID_GROUP_CONTENT,
1237   ED_DRAWING_ID_RANDOM_BACKGROUND,
1238
1239   ED_NUM_DRAWING_AREAS
1240 };
1241
1242 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1243 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1244
1245
1246 // ----------------------------------------------------------------------------
1247 // some internally used definitions
1248 // ----------------------------------------------------------------------------
1249
1250 // values for CopyLevelToUndoBuffer()
1251 #define UNDO_IMMEDIATE                  0
1252 #define UNDO_ACCUMULATE                 1
1253
1254 // values for scrollbars
1255 #define ED_SCROLL_NO                    0
1256 #define ED_SCROLL_LEFT                  1
1257 #define ED_SCROLL_RIGHT                 2
1258 #define ED_SCROLL_UP                    4
1259 #define ED_SCROLL_DOWN                  8
1260
1261 // screens in the level editor
1262 #define ED_MODE_DRAWING                 0
1263 #define ED_MODE_LEVELCONFIG             1
1264 #define ED_MODE_PROPERTIES              2
1265 #define ED_MODE_PALETTE                 3
1266
1267 // sub-screens in the global settings section
1268 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1269 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1270 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1271 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1272
1273 // sub-screens in the element properties section
1274 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1275 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1276 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1277 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1278 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1279
1280 // how many steps can be cancelled
1281 #define NUM_UNDO_STEPS                  (64 + 1)
1282
1283 // values for elements with score for certain actions
1284 #define MIN_SCORE                       0
1285 #define MAX_SCORE                       999
1286
1287 // values for elements with count for collecting
1288 #define MIN_COLLECT_COUNT               0
1289 #define MAX_COLLECT_COUNT               999
1290
1291 // values for random placement
1292 #define RANDOM_USE_PERCENTAGE           0
1293 #define RANDOM_USE_QUANTITY             1
1294
1295 // values for level set save mode
1296 #define LEVELSET_SAVE_MODE_UPDATE       0
1297 #define LEVELSET_SAVE_MODE_CREATE       1
1298
1299 // default value for element tile size in drawing area
1300 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1301 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1302
1303
1304 // ----------------------------------------------------------------------------
1305 // some internally used data structure definitions
1306 // ----------------------------------------------------------------------------
1307
1308 static struct
1309 {
1310   int graphic;
1311   int gadget_id;
1312   struct XYTileSize *pos;
1313   int gadget_type;
1314   char *infotext;
1315   char shortcut;
1316 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1317 {
1318   // note: some additional characters are already reserved for "cheat mode"
1319   // shortcuts (":XYZ" style) -- for details, see "events.c"
1320
1321   // ---------- toolbox control buttons ---------------------------------------
1322
1323   {
1324     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1325     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1326     "Draw single items",                        's'
1327   },
1328   {
1329     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1330     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1331     "Draw connected items",                     'd'
1332   },
1333   {
1334     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1335     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1336     "Draw lines",                               'l'
1337   },
1338   {
1339     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1340     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1341     "Draw arcs",                                'a'
1342   },
1343   {
1344     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1345     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1346     "Draw outline rectangles",                  'r'
1347   },
1348   {
1349     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1350     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1351     "Draw filled rectangles",                   'R'
1352   },
1353   {
1354     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1355     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1356     "Wrap (rotate) level up",                   0
1357   },
1358   {
1359     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1360     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1361     "Enter text elements",                      't'
1362   },
1363   {
1364     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1365     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1366     "Flood fill",                               'f'
1367   },
1368   {
1369     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1370     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1371     "Wrap (rotate) level left",                 0
1372   },
1373   {
1374     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1375     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1376     "Zoom level tile size",                     '+'
1377   },
1378   {
1379     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1380     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1381     "Wrap (rotate) level right",                0
1382   },
1383   {
1384     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1385     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1386     "Random element placement",                 0
1387   },
1388   {
1389     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1390     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1391     "Grab brush",                               'b'
1392   },
1393   {
1394     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1395     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1396     "Wrap (rotate) level down",                 0
1397   },
1398   {
1399     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1400     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1401     "Pick drawing element",                     ','
1402   },
1403
1404   // ---------- level control buttons -----------------------------------------
1405
1406   {
1407     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1408     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1409     "Undo/redo last operation",                 'u'
1410   },
1411   {
1412     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1413     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1414     "Level and editor settings",                'I'
1415   },
1416   {
1417     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1418     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1419     "Save level",                               'S'
1420   },
1421   {
1422     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1423     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1424     "Clear level",                              'C'
1425   },
1426   {
1427     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1428     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1429     "Test level",                               'T'
1430   },
1431   {
1432     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1433     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1434     "Exit level editor",                        'E'
1435   },
1436
1437   // ---------- CE and GE control buttons -------------------------------------
1438
1439   {
1440     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1441     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1442     "Copy settings from other element",         0
1443   },
1444   {
1445     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1446     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1447     "Copy settings to other element",           0
1448   },
1449   {
1450     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1451     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1452     "Exchange element with other element",      0
1453   },
1454   {
1455     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1456     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1457     "Copy settings from this element",          0
1458   },
1459   {
1460     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1461     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1462     "Paste settings to this element",           0
1463   },
1464
1465   // ---------- palette control buttons ---------------------------------------
1466
1467   {
1468     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1469     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1470     "Properties of drawing element",            'p'
1471   },
1472   {
1473     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1474     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1475     "Properties of drawing element 1",          '1'
1476   },
1477   {
1478     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1479     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1480     "Properties of drawing element 2",          '2'
1481   },
1482   {
1483     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1484     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1485     "Properties of drawing element 3",          '3'
1486   },
1487   {
1488     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1489     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1490     "Show list of elements",                    'e'
1491   }
1492 };
1493
1494 static int random_placement_value = 10;
1495 static int random_placement_method = RANDOM_USE_QUANTITY;
1496 static int random_placement_background_element = EL_SAND;
1497 static boolean random_placement_background_restricted = FALSE;
1498 static boolean stick_element_properties_window = FALSE;
1499 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1500 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1501 static struct ElementChangeInfo custom_element_change;
1502 static struct ElementGroupInfo group_element_info;
1503 static struct ElementInfo custom_element;
1504
1505 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1506 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1507 static int levelset_num_levels = 100;
1508 static boolean levelset_use_levelset_artwork = FALSE;
1509 static boolean levelset_copy_level_template = FALSE;
1510 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1511
1512 static struct
1513 {
1514   int gadget_type_id;
1515   int x, y;
1516   int min_value, max_value;
1517   int gadget_id_down, gadget_id_up;
1518   int gadget_id_text;
1519   int gadget_id_align;
1520   int *value;
1521   char *text_above, *text_left, *text_right;
1522 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1523 {
1524   // ---------- current level number ------------------------------------------
1525
1526   {
1527     ED_COUNTER_ID_SELECT_LEVEL,
1528     -1, -1,     // these values are not constant, but can change at runtime
1529     1,                                  100,
1530     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1531     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1532     &level_nr,
1533     NULL,                               NULL, NULL
1534   },
1535
1536   // ---------- level and editor settings -------------------------------------
1537
1538   {
1539     ED_COUNTER_ID_LEVEL_XSIZE,
1540     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1541     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1542     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1543     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1544     &level.fieldx,
1545     "Playfield size:",                  NULL, "Width",
1546   },
1547   {
1548     ED_COUNTER_ID_LEVEL_YSIZE,
1549     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1550     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1551     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1552     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1553     &level.fieldy,
1554     NULL,                               " ", "Height",
1555   },
1556   {
1557     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1558     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1559     0,                                  999,
1560     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1561     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1562     &level.gems_needed,
1563     NULL,                               "Number of gems to collect:", NULL
1564   },
1565   {
1566     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1567     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1568     0,                                  9999,
1569     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1570     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1571     &level.time,
1572     "Time or step limit to solve level:", NULL, NULL
1573   },
1574   {
1575     ED_COUNTER_ID_LEVEL_TIMESCORE,
1576     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1577     0,                                  999,
1578     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1579     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1580     &level.score[SC_TIME_BONUS],
1581     "Score for time or steps left:",    NULL, NULL
1582   },
1583   {
1584     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1585     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1586     0,                                  9999,
1587     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1588     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1589     &level.random_seed,
1590     NULL,                               "Random seed:", "(0 => random)"
1591   },
1592   {
1593     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1594     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1595     1,                                  MAX_LEVELS,
1596     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1597     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1598     &levelset_num_levels,
1599     "Number of levels:",                NULL, NULL,
1600   },
1601   {
1602     ED_COUNTER_ID_LEVEL_RANDOM,
1603     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1604     1,                                  100,
1605     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1606     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1607     &random_placement_value,
1608     "Random element placement:",        NULL, "in"
1609   },
1610   {
1611     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1612     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1613     50,                                 500,
1614     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1615     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1616     &level.bd_cycle_delay_ms,
1617     NULL,                               NULL, "Game cycle delay (ms)"
1618   },
1619   {
1620     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1621     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1622     0,                                  32,
1623     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1624     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1625     &level.bd_cycle_delay_c64,
1626     NULL,                               NULL, "Game cycle delay (C64-style)"
1627   },
1628   {
1629     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1630     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1631     1,                                  40,
1632     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1633     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1634     &level.bd_hatching_delay_cycles,
1635     NULL,                               NULL, "Hatching delay (cycles)"
1636   },
1637   {
1638     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1639     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1640     1,                                  40,
1641     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1642     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1643     &level.bd_hatching_delay_seconds,
1644     NULL,                               NULL, "Hatching delay (seconds)"
1645   },
1646
1647   // ---------- element settings: configure (various elements) ----------------
1648
1649   {
1650     ED_COUNTER_ID_BD_PUSHING_PROB,
1651     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1652     0,                                  100,
1653     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1654     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1655     &level.bd_pushing_prob,
1656     NULL,                               NULL, "Push probability"
1657   },
1658   {
1659     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1660     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1661     0,                                  100,
1662     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1663     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1664     &level.bd_pushing_prob_with_sweet,
1665     NULL,                               NULL, "Push probability with sweet"
1666   },
1667   {
1668     ED_COUNTER_ID_ELEMENT_VALUE1,
1669     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1670     MIN_SCORE,                          MAX_SCORE,
1671     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1672     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1673     NULL,                               // will be set when used
1674     NULL,                               NULL, NULL
1675   },
1676   {
1677     ED_COUNTER_ID_ELEMENT_VALUE2,
1678     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1679     MIN_SCORE,                          MAX_SCORE,
1680     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1681     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1682     NULL,                               // will be set when used
1683     NULL,                               NULL, NULL
1684   },
1685   {
1686     ED_COUNTER_ID_ELEMENT_VALUE3,
1687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1688     MIN_SCORE,                          MAX_SCORE,
1689     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1690     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1691     NULL,                               // will be set when used
1692     NULL,                               NULL, NULL
1693   },
1694   {
1695     ED_COUNTER_ID_ELEMENT_VALUE4,
1696     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1697     MIN_SCORE,                          MAX_SCORE,
1698     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1699     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1700     NULL,                               // will be set when used
1701     NULL,                               NULL, NULL
1702   },
1703   {
1704     ED_COUNTER_ID_YAMYAM_CONTENT,
1705     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1706     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1707     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1708     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1709     &level.num_yamyam_contents,
1710     NULL,                               NULL, "Number of content areas"
1711   },
1712   {
1713     ED_COUNTER_ID_BALL_CONTENT,
1714     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1715     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1716     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1717     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1718     &level.num_ball_contents,
1719     NULL,                               NULL, "Number of content areas"
1720   },
1721   {
1722     ED_COUNTER_ID_ANDROID_CONTENT,
1723     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1724     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1725     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1726     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1727     &level.num_android_clone_elements,
1728     NULL,                               NULL, "Number of clonable elements"
1729   },
1730   {
1731     ED_COUNTER_ID_ENVELOPE_XSIZE,
1732     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1733     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1734     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1735     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1736     NULL,                               // will be set when used
1737     NULL,                               NULL, "Width",
1738   },
1739   {
1740     ED_COUNTER_ID_ENVELOPE_YSIZE,
1741     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1742     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1743     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1744     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1745     NULL,                               // will be set when used
1746     NULL,                               " ", "Height",
1747   },
1748   {
1749     ED_COUNTER_ID_INVENTORY_SIZE,
1750     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1751     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1752     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1753     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1754     &level.initial_inventory_size[0],
1755     NULL,                               NULL, "Number of inventory elements"
1756   },
1757   {
1758     ED_COUNTER_ID_MM_BALL_CONTENT,
1759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1760     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1761     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1762     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1763     &level.num_mm_ball_contents,
1764     NULL,                               NULL, "Number of content elements"
1765   },
1766
1767   // ---------- element settings: configure 1 (custom elements) ---------------
1768
1769   {
1770     ED_COUNTER_ID_CUSTOM_SCORE,
1771     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1772     MIN_SCORE,                          MAX_SCORE,
1773     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1774     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1775     &custom_element.collect_score_initial,
1776     NULL,                               "CE score", " "
1777   },
1778   {
1779     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1780     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1781     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1782     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1783     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1784     &custom_element.collect_count_initial,
1785     NULL,                               "CE count", NULL
1786   },
1787   {
1788     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1790     0,                                  9999,
1791     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1792     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1793     &custom_element.ce_value_fixed_initial,
1794     NULL,                               "CE value", NULL
1795   },
1796   {
1797     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1798     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1799     0,                                  9999,
1800     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1801     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1802     &custom_element.ce_value_random_initial,
1803     NULL,                               "+random", NULL
1804   },
1805   {
1806     ED_COUNTER_ID_PUSH_DELAY_FIX,
1807     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1808     0,                                  999,
1809     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1810     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1811     &custom_element.push_delay_fixed,
1812     NULL,                               "Push delay", NULL
1813   },
1814   {
1815     ED_COUNTER_ID_PUSH_DELAY_RND,
1816     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1817     0,                                  999,
1818     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1819     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1820     &custom_element.push_delay_random,
1821     NULL,                               "+random", NULL
1822   },
1823   {
1824     ED_COUNTER_ID_DROP_DELAY_FIX,
1825     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1826     0,                                  999,
1827     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1828     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1829     &custom_element.drop_delay_fixed,
1830     NULL,                               "Drop delay", NULL
1831   },
1832   {
1833     ED_COUNTER_ID_DROP_DELAY_RND,
1834     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1835     0,                                  999,
1836     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1837     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1838     &custom_element.drop_delay_random,
1839     NULL,                               "+random", NULL
1840   },
1841
1842   // ---------- element settings: configure 2 (custom elements) ---------------
1843
1844   {
1845     ED_COUNTER_ID_MOVE_DELAY_FIX,
1846     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1847     0,                                  999,
1848     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1849     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1850     &custom_element.move_delay_fixed,
1851     NULL,                               "Move delay", NULL
1852   },
1853   {
1854     ED_COUNTER_ID_MOVE_DELAY_RND,
1855     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1856     0,                                  999,
1857     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1858     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1859     &custom_element.move_delay_random,
1860     NULL,                               "+random", NULL
1861   },
1862   {
1863     ED_COUNTER_ID_STEP_DELAY_FIX,
1864     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1865     0,                                  999,
1866     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1867     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1868     &custom_element.step_delay_fixed,
1869     NULL,                               "Step delay", NULL
1870   },
1871   {
1872     ED_COUNTER_ID_STEP_DELAY_RND,
1873     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1874     0,                                  999,
1875     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1876     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1877     &custom_element.step_delay_random,
1878     NULL,                               "+random", NULL
1879   },
1880   {
1881     ED_COUNTER_ID_EXPLOSION_DELAY,
1882     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1883     0,                                  999,
1884     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1885     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1886     &custom_element.explosion_delay,
1887     NULL,                               "Explosion delay", NULL
1888   },
1889   {
1890     ED_COUNTER_ID_IGNITION_DELAY,
1891     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1892     0,                                  999,
1893     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1894     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1895     &custom_element.ignition_delay,
1896     NULL,                               "Ignition delay", "(by fire)"
1897   },
1898
1899   // ---------- element settings: configure (group elements) ------------------
1900
1901   {
1902     ED_COUNTER_ID_GROUP_CONTENT,
1903     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1904     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1905     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1906     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1907     &group_element_info.num_elements,
1908     NULL,                               NULL, "Number of elements in group"
1909   },
1910
1911   // ---------- element settings: advanced (custom elements) ------------------
1912
1913   {
1914     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1915     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1916     0,                                  999,
1917     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1918     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1919     &custom_element_change.delay_fixed,
1920     NULL,                               "CE delay", NULL,
1921   },
1922   {
1923     ED_COUNTER_ID_CHANGE_DELAY_RND,
1924     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1925     0,                                  999,
1926     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1927     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1928     &custom_element_change.delay_random,
1929     NULL,                               "+random", NULL
1930   },
1931   {
1932     ED_COUNTER_ID_CHANGE_CONT_RND,
1933     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1934     0,                                  100,
1935     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1936     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1937     &custom_element_change.random_percentage,
1938     NULL,                               "Use random replace:", "%"
1939   },
1940 };
1941
1942 static struct
1943 {
1944   int gadget_type_id;
1945   int x, y;
1946   int gadget_id;
1947   int size;
1948   char *value;
1949   char *text_above, *infotext;
1950 } textinput_info[ED_NUM_TEXTINPUT] =
1951 {
1952   {
1953     ED_TEXTINPUT_ID_LEVEL_NAME,
1954     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1955     GADGET_ID_LEVEL_NAME,
1956     MAX_LEVEL_NAME_LEN,
1957     level.name,
1958     "Title:", "Title for this level"
1959   },
1960   {
1961     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1962     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1963     GADGET_ID_LEVEL_AUTHOR,
1964     MAX_LEVEL_AUTHOR_LEN,
1965     level.author,
1966     "Author:", "Author for this level"
1967   },
1968   {
1969     ED_TEXTINPUT_ID_LEVELSET_NAME,
1970     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1971     GADGET_ID_LEVELSET_NAME,
1972     MAX_LEVEL_NAME_LEN,
1973     levelset_name,
1974     "Title:", "Title for this or new level set"
1975   },
1976   {
1977     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1978     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1979     GADGET_ID_LEVELSET_AUTHOR,
1980     MAX_LEVEL_AUTHOR_LEN,
1981     levelset_author,
1982     "Author:", "Author for this or new level set"
1983   },
1984   {
1985     ED_TEXTINPUT_ID_ELEMENT_NAME,
1986     -1, -1,     // these values are not constant, but can change at runtime
1987     GADGET_ID_ELEMENT_NAME,
1988     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1989     custom_element.description,
1990     NULL, "Element name"
1991   }
1992 };
1993
1994 static struct
1995 {
1996   int gadget_type_id;
1997   int x, y;
1998   int gadget_id;
1999   int xsize, ysize;
2000   char *value;
2001   char *text_above, *text_above_cropped, *infotext;
2002 } textarea_info[ED_NUM_TEXTAREAS] =
2003 {
2004   {
2005     ED_TEXTAREA_ID_ENVELOPE_INFO,
2006     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
2007     GADGET_ID_ENVELOPE_INFO,
2008     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2009     NULL,
2010     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2011   }
2012 };
2013
2014 static struct ValueTextInfo options_time_or_steps[] =
2015 {
2016   { 0,                          "seconds"                       },
2017   { 1,                          "steps"                         },
2018
2019   { -1,                         NULL                            }
2020 };
2021
2022 static struct ValueTextInfo options_time_score_base[] =
2023 {
2024   { 1,                          "per second/step"               },
2025   { 10,                         "per 10 seconds/steps"          },
2026
2027   { -1,                         NULL                            }
2028 };
2029
2030 static struct ValueTextInfo options_game_engine_type[] =
2031 {
2032   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
2033   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
2034   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
2035   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
2036   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
2037
2038   { -1,                         NULL                            }
2039 };
2040
2041 static struct ValueTextInfo options_levelset_save_mode[] =
2042 {
2043   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2044   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2045
2046   { -1,                         NULL                            }
2047 };
2048
2049 static struct ValueTextInfo options_wind_direction[] =
2050 {
2051   { MV_START_NONE,              "none"                          },
2052   { MV_START_LEFT,              "left"                          },
2053   { MV_START_RIGHT,             "right"                         },
2054   { MV_START_UP,                "up"                            },
2055   { MV_START_DOWN,              "down"                          },
2056
2057   { -1,                         NULL                            }
2058 };
2059
2060 static struct ValueTextInfo options_player_speed[] =
2061 {
2062   { 0,                          "frozen"                        },
2063   { 1,                          "very slow"                     },
2064   { 2,                          "slow"                          },
2065   { 4,                          "normal"                        },
2066   { 8,                          "fast"                          },
2067   { 16,                         "very fast"                     },
2068   { 32,                         "ultrafast"                     },
2069
2070   { -1,                         NULL                            }
2071 };
2072
2073 static struct ValueTextInfo options_access_type[] =
2074 {
2075   { EP_WALKABLE,                "walkable"                      },
2076   { EP_PASSABLE,                "passable"                      },
2077
2078   { -1,                         NULL                            }
2079 };
2080
2081 static struct ValueTextInfo options_access_layer[] =
2082 {
2083   { EP_ACCESSIBLE_OVER,         "over"                          },
2084   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2085   { EP_ACCESSIBLE_UNDER,        "under"                         },
2086
2087   { -1,                         NULL                            }
2088 };
2089
2090 static struct ValueTextInfo options_access_protected[] =
2091 {
2092   { 0,                          "unprotected"                   },
2093   { 1,                          "protected"                     },
2094
2095   { -1,                         NULL                            }
2096 };
2097
2098 static struct ValueTextInfo options_access_direction[] =
2099 {
2100   { MV_NO_DIRECTION,            "no direction"                  },
2101   { MV_LEFT,                    "left"                          },
2102   { MV_RIGHT,                   "right"                         },
2103   { MV_UP,                      "up"                            },
2104   { MV_DOWN,                    "down"                          },
2105   { MV_LEFT  | MV_UP,           "left + up"                     },
2106   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2107   { MV_RIGHT | MV_UP,           "right + up"                    },
2108   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2109   { MV_HORIZONTAL,              "horizontal"                    },
2110   { MV_VERTICAL,                "vertical"                      },
2111   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2112   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2113   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2114   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2115   { MV_ALL_DIRECTIONS,          "all directions"                },
2116
2117   { -1,                         NULL                            }
2118 };
2119
2120 static struct ValueTextInfo options_walk_to_action[] =
2121 {
2122   { EP_DIGGABLE,                "diggable"                      },
2123   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2124   { EP_DROPPABLE,               "collectible & droppable"       },
2125   { EP_THROWABLE,               "collectible & throwable"       },
2126   { EP_PUSHABLE,                "pushable"                      },
2127
2128   { -1,                         NULL                            }
2129 };
2130
2131 static struct ValueTextInfo options_move_pattern[] =
2132 {
2133   { MV_LEFT,                    "left"                          },
2134   { MV_RIGHT,                   "right"                         },
2135   { MV_UP,                      "up"                            },
2136   { MV_DOWN,                    "down"                          },
2137   { MV_HORIZONTAL,              "horizontal"                    },
2138   { MV_VERTICAL,                "vertical"                      },
2139   { MV_ALL_DIRECTIONS,          "all directions"                },
2140   { MV_WIND_DIRECTION,          "wind direction"                },
2141   { MV_TOWARDS_PLAYER,          "towards player"                },
2142   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2143   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2144   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2145   { MV_TURNING_LEFT,            "turning left"                  },
2146   { MV_TURNING_RIGHT,           "turning right"                 },
2147   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2148   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2149   { MV_TURNING_RANDOM,          "turning random"                },
2150   { MV_MAZE_RUNNER,             "maze runner style"             },
2151   { MV_MAZE_HUNTER,             "maze hunter style"             },
2152   { MV_WHEN_PUSHED,             "when pushed"                   },
2153   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2154
2155   { -1,                         NULL                            }
2156 };
2157
2158 static struct ValueTextInfo options_move_direction[] =
2159 {
2160   { MV_START_AUTOMATIC,         "automatic"                     },
2161   { MV_START_LEFT,              "left"                          },
2162   { MV_START_RIGHT,             "right"                         },
2163   { MV_START_UP,                "up"                            },
2164   { MV_START_DOWN,              "down"                          },
2165   { MV_START_RANDOM,            "random"                        },
2166   { MV_START_PREVIOUS,          "previous"                      },
2167
2168   { -1,                         NULL                            }
2169 };
2170
2171 static struct ValueTextInfo options_move_stepsize[] =
2172 {
2173   { 0,                          "not moving"                    },
2174   { 1,                          "very slow"                     },
2175   { 2,                          "slow"                          },
2176   { 4,                          "normal"                        },
2177   { 8,                          "fast"                          },
2178   { 16,                         "very fast"                     },
2179   { 32,                         "even faster"                   },
2180
2181   { -1,                         NULL                            }
2182 };
2183
2184 static struct ValueTextInfo options_move_leave_type[] =
2185 {
2186   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2187   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2188
2189   { -1,                         NULL                            }
2190 };
2191
2192 static struct ValueTextInfo options_smash_targets[] =
2193 {
2194   { EP_CAN_SMASH_PLAYER,        "player"                        },
2195 #if 0
2196   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2197 #endif
2198   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2199
2200   { -1,                         NULL                            }
2201 };
2202
2203 static struct ValueTextInfo options_slippery_type[] =
2204 {
2205   { SLIPPERY_ANY_RANDOM,        "random"                        },
2206   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2207   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2208   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2209   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2210
2211   { -1,                         NULL                            }
2212 };
2213
2214 static struct ValueTextInfo options_deadliness[] =
2215 {
2216   { EP_DONT_RUN_INTO,           "running into"                  },
2217   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2218   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2219   { EP_DONT_TOUCH,              "touching"                      },
2220
2221   { -1,                         NULL                            }
2222 };
2223
2224 static struct ValueTextInfo options_explosion_type[] =
2225 {
2226   { EXPLODES_3X3,               "3x3"                           },
2227   { EXPLODES_CROSS,             "3+3"                           },
2228   { EXPLODES_1X1,               "1x1"                           },
2229
2230   { -1,                         NULL                            }
2231 };
2232
2233 static struct ValueTextInfo options_time_units[] =
2234 {
2235   { 1,                          "frames"                        },
2236   { FRAMES_PER_SECOND,          "seconds"                       },
2237
2238   { -1,                         NULL                            }
2239 };
2240
2241 static struct ValueTextInfo options_change_direct_action[] =
2242 {
2243   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2244   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2245   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2246   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2247   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2248   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2249   { CE_LEFT_BY_PLAYER,          "left by player"                },
2250   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2251   { CE_SWITCHED,                "switched"                      },
2252   { CE_HITTING_SOMETHING,       "hitting something"             },
2253   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2254 #if 0
2255   { CE_BLOCKED,                 "blocked"                       },
2256 #endif
2257   { CE_IMPACT,                  "impact (on something)"         },
2258   { CE_SMASHED,                 "smashed (from above)"          },
2259 #if 0
2260   { CE_VALUE_CHANGES,           "CE value changes"              },
2261   { CE_SCORE_CHANGES,           "CE score changes"              },
2262 #endif
2263   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2264   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2265   { CE_UNDEFINED,               " "                             },
2266   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2267   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2268   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2269   { CE_UNDEFINED,               " "                             },
2270   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2271   { CE_NEXT_TO_PLAYER,          "next to player"                },
2272
2273   { -1,                         NULL                            }
2274 };
2275
2276 static struct ValueTextInfo options_change_other_action[] =
2277 {
2278   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2279   { CE_PLAYER_PRESSES_X,        "player presses"                },
2280   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2281   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2282   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2283   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2284   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2285   { CE_PLAYER_DIGS_X,           "player digs"                   },
2286   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2287   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2288   { CE_TOUCHING_X,              "touching"                      },
2289   { CE_HITTING_X,               "hitting"                       },
2290   { CE_DIGGING_X,               "digging"                       },
2291   { CE_HIT_BY_X,                "hit by"                        },
2292   { CE_SWITCH_OF_X,             "switch of"                     },
2293   { CE_CHANGE_OF_X,             "change by page of"             },
2294   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2295   { CE_MOVE_OF_X,               "move of"                       },
2296   { CE_CREATION_OF_X,           "creation of"                   },
2297   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2298   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2299   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2300   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2301   { CE_UNDEFINED,               " "                             },
2302   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2303   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2304   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2305   { CE_UNDEFINED,               " "                             },
2306   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2307   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2308   { CE_NEXT_TO_X,               "next to"                       },
2309
2310   { -1,                         NULL                            }
2311 };
2312
2313 static struct ValueTextInfo options_change_trigger_side[] =
2314 {
2315   { CH_SIDE_LEFT,               "left"                          },
2316   { CH_SIDE_RIGHT,              "right"                         },
2317   { CH_SIDE_TOP,                "top"                           },
2318   { CH_SIDE_BOTTOM,             "bottom"                        },
2319   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2320   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2321   { CH_SIDE_ANY,                "any"                           },
2322
2323   { -1,                         NULL                            }
2324 };
2325
2326 static struct ValueTextInfo options_change_trigger_player[] =
2327 {
2328   { CH_PLAYER_1,                "1"                             },
2329   { CH_PLAYER_2,                "2"                             },
2330   { CH_PLAYER_3,                "3"                             },
2331   { CH_PLAYER_4,                "4"                             },
2332   { CH_PLAYER_ANY,              "any"                           },
2333
2334   { -1,                         NULL                            }
2335 };
2336
2337 static struct ValueTextInfo options_change_trigger_page[] =
2338 {
2339   { (1u << 0),                  "1"                             },
2340   { (1u << 1),                  "2"                             },
2341   { (1u << 2),                  "3"                             },
2342   { (1u << 3),                  "4"                             },
2343   { (1u << 4),                  "5"                             },
2344   { (1u << 5),                  "6"                             },
2345   { (1u << 6),                  "7"                             },
2346   { (1u << 7),                  "8"                             },
2347   { (1u << 8),                  "9"                             },
2348   { (1u << 9),                  "10"                            },
2349   { (1u << 10),                 "11"                            },
2350   { (1u << 11),                 "12"                            },
2351   { (1u << 12),                 "13"                            },
2352   { (1u << 13),                 "14"                            },
2353   { (1u << 14),                 "15"                            },
2354   { (1u << 15),                 "16"                            },
2355   { (1u << 16),                 "17"                            },
2356   { (1u << 17),                 "18"                            },
2357   { (1u << 18),                 "19"                            },
2358   { (1u << 19),                 "20"                            },
2359   { (1u << 20),                 "21"                            },
2360   { (1u << 21),                 "22"                            },
2361   { (1u << 22),                 "23"                            },
2362   { (1u << 23),                 "24"                            },
2363   { (1u << 24),                 "25"                            },
2364   { (1u << 25),                 "26"                            },
2365   { (1u << 26),                 "27"                            },
2366   { (1u << 27),                 "28"                            },
2367   { (1u << 28),                 "29"                            },
2368   { (1u << 29),                 "30"                            },
2369   { (1u << 30),                 "31"                            },
2370   { (1u << 31),                 "32"                            },
2371   { CH_PAGE_ANY,                "any"                           },
2372
2373   { -1,                         NULL                            }
2374 };
2375
2376 static struct ValueTextInfo options_change_replace_when[] =
2377 {
2378   { CP_WHEN_EMPTY,              "empty"                         },
2379   { CP_WHEN_WALKABLE,           "walkable"                      },
2380   { CP_WHEN_DIGGABLE,           "diggable"                      },
2381   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2382   { CP_WHEN_REMOVABLE,          "removable"                     },
2383   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2384
2385   { -1,                         NULL                            }
2386 };
2387
2388 static struct ValueTextInfo options_action_type[] =
2389 {
2390   { CA_NO_ACTION,               "no action"                     },
2391   { CA_UNDEFINED,               " "                             },
2392   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2393   { CA_RESTART_LEVEL,           "restart level"                 },
2394   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2395   { CA_SET_LEVEL_TIME,          "set time"                      },
2396   { CA_SET_LEVEL_SCORE,         "set score"                     },
2397   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2398   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2399   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2400   { CA_UNDEFINED,               " "                             },
2401   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2402   { CA_MOVE_PLAYER,             "move player"                   },
2403   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2404   { CA_EXIT_PLAYER,             "exit player"                   },
2405   { CA_KILL_PLAYER,             "kill player"                   },
2406   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2407   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2408   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2409   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2410   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2411   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2412   { CA_UNDEFINED,               " "                             },
2413   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2414   { CA_SET_CE_VALUE,            "set CE value"                  },
2415   { CA_SET_CE_SCORE,            "set CE score"                  },
2416   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2417   { CA_UNDEFINED,               " "                             },
2418   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2419   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2420
2421   { -1,                         NULL                            }
2422 };
2423
2424 static struct ValueTextInfo options_action_mode_none[] =
2425 {
2426   { CA_MODE_UNDEFINED,          " "                             },
2427
2428   { -1,                         NULL                            }
2429 };
2430
2431 static struct ValueTextInfo options_action_mode_assign[] =
2432 {
2433   { CA_MODE_SET,                "="                             },
2434
2435   { -1,                         NULL                            }
2436 };
2437
2438 static struct ValueTextInfo options_action_mode_add_remove[] =
2439 {
2440   { CA_MODE_ADD,                "+"                             },
2441   { CA_MODE_SUBTRACT,           "-"                             },
2442
2443   { -1,                         NULL                            }
2444 };
2445
2446 static struct ValueTextInfo options_action_mode_calculate[] =
2447 {
2448   { CA_MODE_SET,                "="                             },
2449   { CA_MODE_ADD,                "+"                             },
2450   { CA_MODE_SUBTRACT,           "-"                             },
2451   { CA_MODE_MULTIPLY,           "*"                             },
2452   { CA_MODE_DIVIDE,             "/"                             },
2453   { CA_MODE_MODULO,             "%"                             },
2454
2455   { -1,                         NULL                            }
2456 };
2457
2458 static struct ValueTextInfo options_action_arg_none[] =
2459 {
2460   { CA_ARG_UNDEFINED,           "         "                     },
2461
2462   { -1,                         NULL                            }
2463 };
2464
2465 static struct ValueTextInfo options_action_arg_player[] =
2466 {
2467   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2468   { CA_ARG_PLAYER_1,            "1"                             },
2469   { CA_ARG_PLAYER_2,            "2"                             },
2470   { CA_ARG_PLAYER_3,            "3"                             },
2471   { CA_ARG_PLAYER_4,            "4"                             },
2472   { CA_ARG_PLAYER_ANY,          "any"                           },
2473   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2474   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2475
2476   { -1,                         NULL                            }
2477 };
2478
2479 static struct ValueTextInfo options_action_arg_number[] =
2480 {
2481   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2482   { CA_ARG_0,                   "0"                             },
2483   { CA_ARG_1,                   "1"                             },
2484   { CA_ARG_2,                   "2"                             },
2485   { CA_ARG_3,                   "3"                             },
2486   { CA_ARG_4,                   "4"                             },
2487   { CA_ARG_5,                   "5"                             },
2488   { CA_ARG_10,                  "10"                            },
2489   { CA_ARG_100,                 "100"                           },
2490   { CA_ARG_1000,                "1000"                          },
2491   { CA_ARG_UNDEFINED,           " "                             },
2492   { CA_ARG_NUMBER_MIN,          "min"                           },
2493   { CA_ARG_NUMBER_MAX,          "max"                           },
2494   { CA_ARG_UNDEFINED,           " "                             },
2495   { CA_ARG_NUMBER_RESET,        "reset"                         },
2496   { CA_ARG_UNDEFINED,           " "                             },
2497   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2498   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2499   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2500   { CA_ARG_UNDEFINED,           " "                             },
2501   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2502   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2503   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2504   { CA_ARG_UNDEFINED,           " "                             },
2505   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2506   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2507   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2508   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2509   { CA_ARG_UNDEFINED,           " "                             },
2510   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2511   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2512   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2513   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2514
2515   { -1,                         NULL                            }
2516 };
2517
2518 static struct ValueTextInfo options_action_arg_value[] =
2519 {
2520   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2521   { CA_ARG_0,                   "0"                             },
2522   { CA_ARG_1,                   "1"                             },
2523   { CA_ARG_2,                   "2"                             },
2524   { CA_ARG_3,                   "3"                             },
2525   { CA_ARG_4,                   "4"                             },
2526   { CA_ARG_5,                   "5"                             },
2527   { CA_ARG_10,                  "10"                            },
2528   { CA_ARG_100,                 "100"                           },
2529   { CA_ARG_1000,                "1000"                          },
2530   { CA_ARG_UNDEFINED,           " "                             },
2531   { CA_ARG_NUMBER_MIN,          "min"                           },
2532   { CA_ARG_NUMBER_MAX,          "max"                           },
2533   { CA_ARG_UNDEFINED,           " "                             },
2534   { CA_ARG_NUMBER_RESET,        "reset"                         },
2535   { CA_ARG_UNDEFINED,           " "                             },
2536   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2537   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2538   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2539   { CA_ARG_UNDEFINED,           " "                             },
2540   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2541   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2542   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2543   { CA_ARG_UNDEFINED,           " "                             },
2544   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2545   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2546   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2547   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2548   { CA_ARG_UNDEFINED,           " "                             },
2549   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2550   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2551   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2552   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2553   { CA_ARG_UNDEFINED,           " "                             },
2554   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2555   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2556   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2557   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2558
2559   { -1,                         NULL                            }
2560 };
2561
2562 static struct ValueTextInfo options_action_arg_envelope[] =
2563 {
2564   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2565   { CA_ARG_1,                   "1"                             },
2566   { CA_ARG_2,                   "2"                             },
2567   { CA_ARG_3,                   "3"                             },
2568   { CA_ARG_4,                   "4"                             },
2569   { CA_ARG_UNDEFINED,           " "                             },
2570   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2571   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2572   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2573   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2574
2575   { -1,                         NULL                            }
2576 };
2577
2578 static struct ValueTextInfo options_action_arg_key[] =
2579 {
2580   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2581   { CA_ARG_1,                   "1"                             },
2582   { CA_ARG_2,                   "2"                             },
2583   { CA_ARG_3,                   "3"                             },
2584   { CA_ARG_4,                   "4"                             },
2585   { CA_ARG_5,                   "5"                             },
2586   { CA_ARG_6,                   "6"                             },
2587   { CA_ARG_7,                   "7"                             },
2588   { CA_ARG_8,                   "8"                             },
2589   { CA_ARG_UNDEFINED,           " "                             },
2590   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2591   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2592   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2593   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2594
2595   { -1,                         NULL                            }
2596 };
2597
2598 static struct ValueTextInfo options_action_arg_speed[] =
2599 {
2600   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2601   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2602   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2603   { CA_ARG_SPEED_SLOW,          "slow"                          },
2604   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2605   { CA_ARG_SPEED_FAST,          "fast"                          },
2606   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2607   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2608   { CA_ARG_UNDEFINED,           " "                             },
2609   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2610   { CA_ARG_SPEED_FASTER,        "faster"                        },
2611   { CA_ARG_UNDEFINED,           " "                             },
2612   { CA_ARG_SPEED_RESET,         "reset"                         },
2613
2614   { -1,                         NULL                            }
2615 };
2616
2617 static struct ValueTextInfo options_action_arg_shield[] =
2618 {
2619   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2620   { CA_ARG_SHIELD_OFF,          "off"                           },
2621   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2622   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2623
2624   { -1,                         NULL                            }
2625 };
2626
2627 static struct ValueTextInfo options_action_arg_artwork[] =
2628 {
2629   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2630   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2631   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2632   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2633   { CA_ARG_UNDEFINED,           " "                             },
2634   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2635
2636   { -1,                         NULL                            }
2637 };
2638
2639 static struct ValueTextInfo options_action_arg_gravity[] =
2640 {
2641   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2642   { CA_ARG_GRAVITY_ON,          "on"                            },
2643   { CA_ARG_GRAVITY_OFF,         "off"                           },
2644   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2645
2646   { -1,                         NULL                            }
2647 };
2648
2649 static struct ValueTextInfo options_action_arg_direction[] =
2650 {
2651   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2652   { CA_ARG_DIRECTION_NONE,      "none"                          },
2653   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2654   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2655   { CA_ARG_DIRECTION_UP,        "up"                            },
2656   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2657   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2658   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2659
2660   { -1,                         NULL                            }
2661 };
2662
2663 static struct ValueTextInfo options_action_arg_scan_mode[] =
2664 {
2665   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2666   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2667   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2668
2669   { -1,                         NULL                            }
2670 };
2671
2672 static struct ValueTextInfo options_action_arg_inventory[] =
2673 {
2674   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2675   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2676   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2677   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2678   { CA_ARG_UNDEFINED,           " "                             },
2679   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2680   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2681   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2682   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2683   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2684   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2685   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2686   { CA_ARG_UNDEFINED,           " "                             },
2687   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2688
2689   { -1,                         NULL                            }
2690 };
2691
2692 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2693 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2694 {
2695   { -1,                         NULL                            }
2696 };
2697
2698 static struct ValueTextInfo options_group_choice_mode[] =
2699 {
2700   { ANIM_RANDOM,                "random"                        },
2701   { ANIM_LOOP,                  "loop"                          },
2702   { ANIM_LINEAR,                "linear"                        },
2703   { ANIM_PINGPONG,              "pingpong"                      },
2704   { ANIM_PINGPONG2,             "pingpong 2"                    },
2705   { ANIM_LEVEL_NR,              "level number"                  },
2706
2707   { -1,                         NULL                            }
2708 };
2709
2710 static struct ValueTextInfo options_bd_scheduling_type[] =
2711 {
2712   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2713   { GD_SCHEDULING_BD1,            "BD1"                         },
2714   { GD_SCHEDULING_BD2,            "BD2"                         },
2715   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2716   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2717   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2718   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2719
2720   { -1,                           NULL                          }
2721 };
2722
2723 static struct ValueTextInfo *action_arg_modes[] =
2724 {
2725   options_action_mode_none,
2726   options_action_mode_assign,
2727   options_action_mode_add_remove,
2728   options_action_mode_calculate,
2729 };
2730
2731 static struct
2732 {
2733   int value;
2734   int mode;
2735   struct ValueTextInfo *options;
2736 }
2737 action_arg_options[] =
2738 {
2739   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2740   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2741   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2742   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2743   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2744   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2745   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2746   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2747   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2748   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2749   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2750   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2751   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2752   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2753   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2754   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2755   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2756   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2757   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2758   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2759   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2760   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2761
2762   { -1,                         FALSE,  NULL                            }
2763 };
2764
2765 static struct
2766 {
2767   int gadget_type_id;
2768   int x, y;
2769   int gadget_id;
2770   int gadget_id_align;
2771   int size;     // char size of selectbox or '-1' (dynamically determined)
2772   struct ValueTextInfo *options;
2773   int *value;
2774   char *text_above, *text_left, *text_right, *infotext;
2775 } selectbox_info[ED_NUM_SELECTBOX] =
2776 {
2777   // ---------- level and editor settings -------------------------------------
2778
2779   {
2780     ED_SELECTBOX_ID_TIME_OR_STEPS,
2781     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2782     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2783     -1,
2784     options_time_or_steps,
2785     &level.use_step_counter,
2786     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2787   },
2788   {
2789     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2790     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2791     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2792     -1,
2793     options_time_score_base,
2794     &level.time_score_base,
2795     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2796   },
2797   {
2798     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2799     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2800     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2801     -1,
2802     options_game_engine_type,
2803     &level.game_engine_type,
2804     NULL, "Game engine:", NULL,         "Select game engine"
2805   },
2806   {
2807     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2808     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2809     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2810     -1,
2811     options_bd_scheduling_type,
2812     &level.bd_scheduling_type,
2813     NULL, "Scheduling type:", NULL,     "Select level timing"
2814   },
2815   {
2816     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2817     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2818     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2819     -1,
2820     options_levelset_save_mode,
2821     &levelset_save_mode,
2822     "Action:", NULL, NULL,              "Select action when saving level set"
2823   },
2824
2825   // ---------- element settings: configure (several elements) ----------------
2826
2827   {
2828     ED_SELECTBOX_ID_WIND_DIRECTION,
2829     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2830     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2831     -1,
2832     options_wind_direction,
2833     &level.wind_direction_initial,
2834     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2835   },
2836   {
2837     ED_SELECTBOX_ID_PLAYER_SPEED,
2838     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2839     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2840     -1,
2841     options_player_speed,
2842     &level.initial_player_stepsize[0],
2843     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2844   },
2845   {
2846     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2847     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2848     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2849     -1,
2850     options_group_choice_mode,
2851     &level.mm_ball_choice_mode,
2852     NULL, "Choice type:", NULL,         "Select type of content choice"
2853   },
2854
2855   // ---------- element settings: configure 1 (custom elements) ---------------
2856
2857   {
2858     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2859     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2860     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2861     -1,
2862     options_access_type,
2863     &custom_element.access_type,
2864     NULL, NULL, NULL,                   "Select type of access to this field"
2865   },
2866   {
2867     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2868     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2869     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2870     -1,
2871     options_access_layer,
2872     &custom_element.access_layer,
2873     NULL, NULL, NULL,                   "Select layer of access for this field"
2874   },
2875   {
2876     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2877     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2878     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2879     -1,
2880     options_access_protected,
2881     &custom_element.access_protected,
2882     NULL, NULL, NULL,                   "Select protected access for this field"
2883   },
2884   {
2885     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2886     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2887     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2888     -1,
2889     options_access_direction,
2890     &custom_element.access_direction,
2891     NULL, "from", NULL,                 "Select access direction for this field"
2892   },
2893   {
2894     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2895     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2896     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2897     -1,
2898     options_walk_to_action,
2899     &custom_element.walk_to_action,
2900     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2901   },
2902
2903   // ---------- element settings: configure 2 (custom elements) ---------------
2904
2905   {
2906     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2907     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2908     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2909     -1,
2910     options_move_pattern,
2911     &custom_element.move_pattern,
2912     NULL, "Can move", NULL,             "Select element move pattern"
2913   },
2914   {
2915     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2916     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2917     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2918     -1,
2919     options_move_direction,
2920     &custom_element.move_direction_initial,
2921     NULL, "Starts moving", NULL,        "Select initial element move direction"
2922   },
2923   {
2924     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2925     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2926     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2927     -1,
2928     options_move_stepsize,
2929     &custom_element.move_stepsize,
2930     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2931   },
2932   {
2933     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2934     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2935     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2936     -1,
2937     options_move_leave_type,
2938     &custom_element.move_leave_type,
2939     // left text with leading spaces to place gadget next to "can dig" gadget
2940     // (needed because drawing area gadgets created after selectbox gadgets)
2941     // NULL, "can dig:    can", ":",    "leave behind or change element"
2942     NULL, "            Can", ":",       "Select leave behind or change element"
2943   },
2944   {
2945     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2946     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2947     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2948     -1,
2949     options_smash_targets,
2950     &custom_element.smash_targets,
2951     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2952   },
2953   {
2954     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2955     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2956     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2957     -1,
2958     options_slippery_type,
2959     &custom_element.slippery_type,
2960     NULL, "Slippery", NULL,             "Select where other elements fall down"
2961   },
2962   {
2963     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2964     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2965     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2966     -1,
2967     options_deadliness,
2968     &custom_element.deadliness,
2969     NULL, "Deadly when", NULL,          "Select deadliness of element"
2970   },
2971   {
2972     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2973     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2974     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2975     -1,
2976     options_explosion_type,
2977     &custom_element.explosion_type,
2978     NULL, "Can explode", NULL,          "Select explosion type"
2979   },
2980
2981   // ---------- element settings: advanced (custom elements) ------------------
2982
2983   {
2984     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2985     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2986     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2987     -1,
2988     options_time_units,
2989     &custom_element_change.delay_frames,
2990     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2991   },
2992   {
2993     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2994     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2995     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2996     -1,
2997     options_change_direct_action,
2998     &custom_element_change.direct_action,
2999     NULL, NULL, NULL,                   "Select type of direct action"
3000   },
3001   {
3002     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3003     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
3004     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
3005     -1,
3006     options_change_other_action,
3007     &custom_element_change.other_action,
3008     NULL, NULL, "element:",             "Select type of other element action"
3009   },
3010   {
3011     ED_SELECTBOX_ID_CHANGE_SIDE,
3012     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
3013     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
3014     -1,
3015     options_change_trigger_side,
3016     &custom_element_change.trigger_side,
3017     NULL, "at", "side",                 "Select element side triggering change"
3018   },
3019   {
3020     ED_SELECTBOX_ID_CHANGE_PLAYER,
3021     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3022     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
3023     -1,
3024     options_change_trigger_player,
3025     &custom_element_change.trigger_player,
3026     NULL, "Player:", " ",               "Select player that causes change"
3027   },
3028   {
3029     ED_SELECTBOX_ID_CHANGE_PAGE,
3030     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
3031     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
3032     -1,
3033     options_change_trigger_page,
3034     &custom_element_change.trigger_page,
3035     NULL, "Page:", NULL,                "Select change page that causes change"
3036   },
3037   {
3038     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3039     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3040     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3041     -1,
3042     options_change_replace_when,
3043     &custom_element_change.replace_when,
3044     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3045   },
3046   {
3047     ED_SELECTBOX_ID_ACTION_TYPE,
3048     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3049     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3050     15,
3051     options_action_type,
3052     &custom_element_change.action_type,
3053     NULL, NULL, NULL,                   "Select action on specified condition"
3054   },
3055   {
3056     ED_SELECTBOX_ID_ACTION_MODE,
3057     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3058     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3059     -1,
3060     options_action_mode_none,
3061     &custom_element_change.action_mode,
3062     NULL, NULL, NULL,                   "Select action operator"
3063   },
3064   {
3065     ED_SELECTBOX_ID_ACTION_ARG,
3066     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3067     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3068     -1,
3069     options_action_arg_none,
3070     &custom_element_change.action_arg,
3071     NULL, NULL, NULL,                   "Select action parameter"
3072   },
3073   {
3074     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3075     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3076     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3077     3,
3078     options_change_page,
3079     &custom_element.current_change_page,
3080     NULL, NULL, NULL,                   "Select element change page"
3081   },
3082
3083   // ---------- element settings: configure (group elements) ------------------
3084
3085   {
3086     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3087     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3088     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3089     -1,
3090     options_group_choice_mode,
3091     &group_element_info.choice_mode,
3092     NULL, "Choice type:", NULL,         "Select type of group element choice"
3093   },
3094 };
3095
3096 static struct
3097 {
3098   int gadget_type_id;
3099   int x, y;
3100   int gadget_id;
3101   int gadget_id_align;
3102   int size;
3103   char *text;
3104   char *text_above, *text_left, *text_right, *infotext;
3105 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3106 {
3107   // ---------- level and editor settings (tabs) ------------------------------
3108
3109   {
3110     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3111     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3112     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3113     8,                                  "Level",
3114     NULL, NULL, NULL,                   "Configure level settings"
3115   },
3116   {
3117     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3118     -1,                                 -1,
3119     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3120     8,                                  "Levelset",
3121     NULL, NULL, NULL,                   "Update this or create new level set"
3122   },
3123   {
3124     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3125     -1,                                 -1,
3126     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3127     8,                                  "Editor",
3128     NULL, NULL, NULL,                   "Configure editor settings"
3129   },
3130   {
3131     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3132     -1,                                 -1,
3133     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3134     8,                                  "Engine",
3135     NULL, NULL, NULL,                   "Configure engine settings"
3136   },
3137
3138   // ---------- element settings (tabs) ---------------------------------------
3139
3140   {
3141     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3142     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3143     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3144     8,                                  "Info",
3145     NULL, NULL, NULL,                   "Show information about element"
3146   },
3147   {
3148     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3149     -1,                                 -1,
3150     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3151     8,                                  "Config",
3152     NULL, NULL, NULL,                   "Configure element properties"
3153   },
3154   {
3155     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3156     -1,                                 -1,
3157     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3158     8,                                  "Config 1",
3159     NULL, NULL, NULL,                   "Configure element properties, part 1"
3160   },
3161   {
3162     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3163     -1,                                 -1,
3164     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3165     8,                                  "Config 2",
3166     NULL, NULL, NULL,                   "Configure element properties, part 2"
3167   },
3168   {
3169     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3170     -1,                                 -1,
3171     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3172     8,                                  "Change",
3173     NULL, NULL, NULL,                   "Configure custom element change pages"
3174   },
3175
3176   // ---------- level and editor settings (buttons) ---------------------------
3177
3178   {
3179     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3180     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3181     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3182     -1,                                 "Save",
3183     NULL, NULL, NULL,                   "Update or create level set"
3184   },
3185   {
3186     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3187     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3188     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3189     -1,                                 "Save",
3190     NULL, NULL,                         "this level as level template",
3191     "Save current settings as new template"
3192   },
3193
3194   // ---------- element settings (buttons) ------------------------------------
3195
3196   {
3197     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3198     -1,                                 -1,
3199     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3200     -1,                                 "Save",
3201     NULL, " ",                          "As Template",
3202     "Save current settings as new template"
3203   },
3204   {
3205     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3206     -1,                                 -1,
3207     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3208     -1,                                 "New",
3209     NULL, NULL, NULL,                   "Add new change page"
3210   },
3211   {
3212     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3213     -1,                                 -1,
3214     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3215     -1,                                 "Delete",
3216     NULL, NULL, NULL,                   "Delete current change page"
3217   },
3218 };
3219
3220 static struct
3221 {
3222   int gadget_type_id;
3223   int graphic;
3224   int x, y;
3225   int gadget_id;
3226   int gadget_id_align;
3227   char *text_left, *text_right, *infotext;
3228 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3229 {
3230   {
3231     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3232     IMG_EDITOR_COUNTER_DOWN,
3233     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3234     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3235     NULL, NULL,                         "Select previous change page"
3236   },
3237   {
3238     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3239     IMG_EDITOR_COUNTER_UP,
3240     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3241     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3242     NULL, "Change page",                "Select next change page"
3243   },
3244   {
3245     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3246     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3247     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3248     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3249     " ", NULL,                          "Copy settings from this change page"
3250   },
3251   {
3252     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3253     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3254     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3255     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3256     NULL, NULL,                         "Paste settings to this change page"
3257   },
3258 };
3259
3260 static struct
3261 {
3262   int x, y;
3263 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3264
3265 static struct
3266 {
3267   int gadget_type_id;
3268   int graphic;
3269   int gadget_id;
3270   char *infotext;
3271 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3272 {
3273   {
3274     ED_SCROLLBUTTON_ID_AREA_UP,
3275     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3276     GADGET_ID_SCROLL_UP,
3277     "Scroll level editing area up"
3278   },
3279   {
3280     ED_SCROLLBUTTON_ID_AREA_DOWN,
3281     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3282     GADGET_ID_SCROLL_DOWN,
3283     "Scroll level editing area down"
3284   },
3285   {
3286     ED_SCROLLBUTTON_ID_AREA_LEFT,
3287     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3288     GADGET_ID_SCROLL_LEFT,
3289     "Scroll level editing area left"
3290   },
3291   {
3292     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3293     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3294     GADGET_ID_SCROLL_RIGHT,
3295     "Scroll level editing area right"
3296   },
3297   {
3298     ED_SCROLLBUTTON_ID_LIST_UP,
3299     IMG_EDITOR_PALETTE_SCROLL_UP,
3300     GADGET_ID_SCROLL_LIST_UP,
3301     "Scroll element list up ('Page Up')"
3302   },
3303   {
3304     ED_SCROLLBUTTON_ID_LIST_DOWN,
3305     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3306     GADGET_ID_SCROLL_LIST_DOWN,
3307     "Scroll element list down ('Page Down')"
3308   },
3309 };
3310
3311 static struct
3312 {
3313   int x, y;
3314   int width, height;
3315   int wheel_x, wheel_y;
3316   int wheel_width, wheel_height;
3317 } scrollbar_pos[ED_NUM_SCROLLBARS];
3318
3319 static struct
3320 {
3321   int gadget_type_id;
3322   int graphic;
3323   int type;
3324   int gadget_id;
3325   char *infotext;
3326 } scrollbar_info[ED_NUM_SCROLLBARS] =
3327 {
3328   {
3329     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3330     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3331     GD_TYPE_SCROLLBAR_HORIZONTAL,
3332     GADGET_ID_SCROLL_HORIZONTAL,
3333     "Scroll level editing area horizontally"
3334   },
3335   {
3336     ED_SCROLLBAR_ID_AREA_VERTICAL,
3337     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3338     GD_TYPE_SCROLLBAR_VERTICAL,
3339     GADGET_ID_SCROLL_VERTICAL,
3340     "Scroll level editing area vertically"
3341   },
3342   {
3343     ED_SCROLLBAR_ID_LIST_VERTICAL,
3344     IMG_EDITOR_PALETTE_SCROLLBAR,
3345     GD_TYPE_SCROLLBAR_VERTICAL,
3346     GADGET_ID_SCROLL_LIST_VERTICAL,
3347     "Scroll element list vertically"
3348   }
3349 };
3350
3351
3352 static struct
3353 {
3354   int gadget_type_id;
3355   int x, y;
3356   int gadget_id;
3357   int gadget_id_align;
3358   int radio_button_nr;
3359   int *value;
3360   int checked_value;
3361   char *text_left, *text_right, *infotext;
3362 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3363 {
3364   {
3365     ED_RADIOBUTTON_ID_PERCENTAGE,
3366     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3367     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3368     RADIO_NR_RANDOM_ELEMENTS,
3369     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3370     " ", "percentage",                  "Use percentage for random elements"
3371   },
3372   {
3373     ED_RADIOBUTTON_ID_QUANTITY,
3374     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3375     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3376     RADIO_NR_RANDOM_ELEMENTS,
3377     &random_placement_method,           RANDOM_USE_QUANTITY,
3378     " ", "quantity",                    "Use quantity for random elements"
3379   }
3380 };
3381
3382 static struct
3383 {
3384   int gadget_type_id;
3385   int x, y;
3386   int gadget_id;
3387   int gadget_id_align;
3388   boolean *value;
3389   char *text_above, *text_left, *text_right, *infotext;
3390 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3391 {
3392   // ---------- level and editor settings -------------------------------------
3393
3394   {
3395     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3396     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3397     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3398     &level.auto_count_gems,
3399     NULL, NULL,
3400     "Automatically count gems needed",  "Set counter to number of gems"
3401   },
3402   {
3403     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3404     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3405     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3406     &level.rate_time_over_score,
3407     NULL, NULL,
3408     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3409   },
3410   {
3411     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3413     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3414     &levelset_use_levelset_artwork,
3415     NULL, NULL,
3416     "Use current custom artwork",       "Use custom artwork of this level set"
3417   },
3418   {
3419     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3421     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3422     &levelset_copy_level_template,
3423     NULL, NULL,
3424     "Copy current level template",      "Copy level template of this level set"
3425   },
3426   {
3427     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3428     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3429     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3430     &random_placement_background_restricted,
3431     NULL, NULL,
3432     "Restrict random placement to:",    "Set random placement restriction"
3433   },
3434   {
3435     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3436     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3437     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3438     &setup.editor.use_template_for_new_levels,
3439     "Template for new levels and CE/GE:", NULL,
3440     "Use template for new levels",      "Use template for level properties"
3441   },
3442   {
3443     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3444     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3445     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3446     &level.use_custom_template,
3447     NULL, NULL,
3448     "Use template for custom elements", "Use template for custom properties"
3449   },
3450   {
3451     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3452     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3453     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3454     &level.bd_intermission,
3455     "Boulder Dash game engine settings:", NULL,
3456     "Intermission",                     "Level is an intermission level"
3457   },
3458   {
3459     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3460     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3461     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3462     &level.bd_pal_timing,
3463     NULL, NULL,
3464     "PAL timing",                       "Use slower timer (like PAL C64)"
3465   },
3466   {
3467     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3468     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3469     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3470     &level.bd_line_shifting_borders,
3471     "Compatibility settings:", NULL,
3472     "Line-shifting borders",            "Use line-shifting wrap-around"
3473   },
3474   {
3475     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3476     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3477     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3478     &level.bd_scan_first_and_last_row,
3479     NULL, NULL,
3480     "Scan first and last row",          "Also process top/bottom border rows"
3481   },
3482   {
3483     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3484     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3485     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3486     &level.bd_short_explosions,
3487     NULL, NULL,
3488     "Short explosions",                 "Use four game cycles for explosions"
3489   },
3490   {
3491     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3492     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3493     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3494     &level.bd_gravity_affects_all,
3495     NULL, NULL,
3496     "Gravity change affects everything", "Gravity affects all falling objects"
3497   },
3498
3499   // ---------- element settings: configure (various elements) ----------------
3500
3501   {
3502     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3503     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3504     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3505     &stick_element_properties_window,
3506     NULL, NULL,
3507     "Stick this screen to edit content","Stick this screen to edit content"
3508   },
3509   {
3510     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3511     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3512     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3513     &level.em_slippery_gems,
3514     NULL, NULL,
3515     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3516   },
3517   {
3518     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3519     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3520     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3521     &level.em_explodes_by_fire,
3522     NULL, NULL,
3523     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3524   },
3525   {
3526     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3527     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3528     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3529     &level.use_spring_bug,
3530     NULL, NULL,
3531     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3532   },
3533   {
3534     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3536     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3537     &level.use_time_orb_bug,
3538     NULL, NULL,
3539     "Use time orb bug",                 "Use odd time orb behaviour"
3540   },
3541   {
3542     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3544     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3545     &level.use_life_bugs,
3546     NULL, NULL,
3547     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3548   },
3549   {
3550     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3552     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3553     &level.ball_random,
3554     NULL, NULL,
3555     "Create single random element",     "Only create one element from content"
3556   },
3557   {
3558     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3559     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3560     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3561     &level.ball_active_initial,
3562     NULL, NULL,
3563     "Magic ball initially activated",   "Activate magic ball after level start"
3564   },
3565   {
3566     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3567     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3568     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3569     &level.grow_into_diggable,
3570     NULL, NULL,
3571     "Can grow into anything diggable",  "Grow into more than just sand"
3572   },
3573   {
3574     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3575     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3576     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3577     &level.sb_fields_needed,
3578     NULL, NULL,
3579     "All fields need to be filled",     "Require all SB fields to be solved"
3580   },
3581   {
3582     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3583     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3584     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3585     &level.sb_objects_needed,
3586     NULL, NULL,
3587     "All objects need to be placed",    "Require all SB objects to be solved"
3588   },
3589   {
3590     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3591     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3592     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3593     &level.auto_exit_sokoban,
3594     NULL, NULL,
3595     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3596   },
3597   {
3598     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3599     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3600     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3601     &level.solved_by_one_player,
3602     NULL, NULL,
3603     "Only one player must enter exit",  "Level solved by first player in exit"
3604   },
3605   {
3606     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3607     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3608     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3609     &level.finish_dig_collect,
3610     NULL, NULL,
3611     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3612   },
3613   {
3614     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3615     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3616     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3617     &level.keep_walkable_ce,
3618     NULL, NULL,
3619     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3620   },
3621   {
3622     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3623     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3624     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3625     &level.continuous_snapping,
3626     NULL, NULL,
3627     "Continuous snapping",              "Use snapping without releasing key"
3628   },
3629   {
3630     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3631     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3632     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3633     &level.block_snap_field,
3634     NULL, NULL,
3635     "Block snapped field when snapping", "Use snapping delay to show animation"
3636   },
3637   {
3638     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3640     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3641     &level.block_last_field,
3642     NULL, NULL,
3643     "Block last field when moving",     "Player blocks last field when moving"
3644   },
3645   {
3646     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3648     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3649     &level.sp_block_last_field,
3650     NULL, NULL,
3651     "Block last field when moving",     "Player blocks last field when moving"
3652   },
3653   {
3654     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3655     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3656     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3657     &level.instant_relocation,
3658     NULL, NULL,
3659     "No scrolling when relocating",     "Player gets relocated without delay"
3660   },
3661   {
3662     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3663     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3664     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3665     &level.shifted_relocation,
3666     NULL, NULL,
3667     "No centering when relocating",     "Level not centered after relocation"
3668   },
3669   {
3670     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3672     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3673     &level.lazy_relocation,
3674     NULL, NULL,
3675     "Only redraw off-screen relocation","No redraw if relocation target visible"
3676   },
3677   {
3678     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3679     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3680     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3681     &level.use_start_element[0],
3682     NULL, NULL,
3683     "Use level start element:",        "Start level at this element's position"
3684   },
3685   {
3686     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3688     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3689     &level.use_artwork_element[0],
3690     NULL, NULL,
3691     "Use artwork from element:",        "Use player artwork from other element"
3692   },
3693   {
3694     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3696     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3697     &level.use_explosion_element[0],
3698     NULL, NULL,
3699     "Use explosion from element:",      "Use explosion properties from element"
3700   },
3701   {
3702     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3704     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3705     &level.initial_player_gravity[0],
3706     NULL, NULL,
3707     "Use initial gravity",              "Set initial player gravity"
3708   },
3709   {
3710     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3711     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3712     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3713     &level.use_initial_inventory[0],
3714     NULL, NULL,
3715     "Use initial inventory:",           "Use collected elements on level start"
3716   },
3717   {
3718     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3720     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3721     &level.can_pass_to_walkable,
3722     NULL, NULL,
3723     "Can pass to walkable element",     "Player can pass to empty or walkable"
3724   },
3725   {
3726     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3727     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3728     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3729     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3730     NULL, NULL,
3731     "Can fall into acid (with gravity)","Player can fall into acid pool"
3732   },
3733   {
3734     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3735     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3736     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3737     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3738     NULL, NULL,
3739     "Can move into acid",               "Element can move into acid pool"
3740   },
3741   {
3742     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3743     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3744     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3745     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3746     NULL, NULL,
3747     "Deadly when colliding with",       "Element is deadly when hitting player"
3748   },
3749   {
3750     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3752     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3753     &level.bd_diagonal_movements,
3754     NULL, NULL,
3755     "Can move diagonally",              "Player can move diagonally"
3756   },
3757   {
3758     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3760     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3761     &level.bd_topmost_player_active,
3762     NULL, NULL,
3763     "Topmost player is active",         "Use first player found on playfield"
3764   },
3765   {
3766     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3767     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3768     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3769     &level.bd_push_mega_rock_with_sweet,
3770     NULL, NULL,
3771     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3772   },
3773   {
3774     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3776     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3777     &level.bd_magic_wall_wait_hatching,
3778     NULL, NULL,
3779     "Wait for player's birth",          "Timer start waits for player's birth"
3780   },
3781   {
3782     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3783     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3784     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3785     &level.bd_magic_wall_stops_amoeba,
3786     NULL, NULL,
3787     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3788   },
3789   {
3790     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3792     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3793     &level.bd_amoeba_wait_for_hatching,
3794     NULL, NULL,
3795     "Wait for player's birth",          "Timer start waits for player's birth"
3796   },
3797   {
3798     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3799     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3800     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3801     &level.bd_amoeba_start_immediately,
3802     NULL, NULL,
3803     "Start growing immediately",        "Start slow growth time immediately"
3804   },
3805   {
3806     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3808     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3809     &level.bd_amoeba_2_explode_by_amoeba,
3810     NULL, NULL,
3811     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3812   },
3813   {
3814     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3815     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3816     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3817     &level.bd_voodoo_collects_diamonds,
3818     NULL, NULL,
3819     "Can collect diamonds",             "Can collect diamonds for the player"
3820   },
3821   {
3822     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3823     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3824     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3825     &level.bd_voodoo_hurt_kills_player,
3826     NULL, NULL,
3827     "Player is killed if hurt",         "If hurt in any way, player is killed"
3828   },
3829   {
3830     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3832     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3833     &level.bd_voodoo_dies_by_rock,
3834     NULL, NULL,
3835     "Killed by falling rock",           "Can be killed by a falling rock"
3836   },
3837   {
3838     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3839     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3840     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3841     &level.bd_voodoo_vanish_by_explosion,
3842     NULL, NULL,
3843     "Disappears in explosions",         "Can be destroyed by explosions"
3844   },
3845   {
3846     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3847     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3848     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3849     &level.bd_slime_is_predictable,
3850     NULL, NULL,
3851     "Slime is predictable",             "Use predictable random numbers"
3852   },
3853   {
3854     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3856     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3857     &level.bd_change_expanding_wall,
3858     NULL, NULL,
3859     "Change direction",                 "Switch horizontal/vertical direction"
3860   },
3861   {
3862     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3863     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3864     GADGET_ID_BD_REPLICATORS_ACTIVE,    GADGET_ID_NONE,
3865     &level.bd_replicators_active,
3866     NULL, NULL,
3867     "Active at start",                  "Replicators start in active state"
3868   },
3869   {
3870     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3871     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3872     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE, GADGET_ID_NONE,
3873     &level.bd_conveyor_belts_active,
3874     NULL, NULL,
3875     "Active at start",                  "Conveyor belts start in active state"
3876   },
3877   {
3878     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3879     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3880     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED, GADGET_ID_NONE,
3881     &level.bd_conveyor_belts_changed,
3882     NULL, NULL,
3883     "Change direction",                 "Switch conveyor belt direction"
3884   },
3885   {
3886     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3887     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3888     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN, GADGET_ID_NONE,
3889     &level.bd_water_cannot_flow_down,
3890     NULL, NULL,
3891     "Does not flow downwards",          "Water can only flow up, left and right"
3892   },
3893   {
3894     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
3895     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3896     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR, GADGET_ID_NONE,
3897     &level.bd_hammer_walls_reappear,
3898     NULL, NULL,
3899     "Hammered walls reappear",          "Hammered walls reappear after delay"
3900   },
3901   {
3902     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3903     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3904     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3905     &level.envelope[0].autowrap,
3906     NULL, NULL,
3907     "Auto-wrap",                        "Automatically wrap envelope text"
3908   },
3909   {
3910     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3911     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3912     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3913     &level.envelope[0].centered,
3914     NULL, " ",
3915     "Centered",                         "Automatically center envelope text"
3916   },
3917   {
3918     ED_CHECKBUTTON_ID_MM_LASER_RED,
3919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3920     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3921     &level.mm_laser_red,
3922     "Choose color components for laser:", NULL,
3923     "Red",                              "Use red color components in laser"
3924   },
3925   {
3926     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3927     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3928     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3929     &level.mm_laser_green,
3930     NULL, NULL,
3931     "Green",                            "Use green color components in laser"
3932   },
3933   {
3934     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3935     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3936     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3937     &level.mm_laser_blue,
3938     NULL, NULL,
3939     "Blue",                             "Use blue color components in laser"
3940   },
3941   {
3942     ED_CHECKBUTTON_ID_DF_LASER_RED,
3943     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3944     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3945     &level.df_laser_red,
3946     "Choose color components for laser:", NULL,
3947     "Red",                              "Use red color components in laser"
3948   },
3949   {
3950     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3951     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3952     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3953     &level.df_laser_green,
3954     NULL, NULL,
3955     "Green",                            "Use green color components in laser"
3956   },
3957   {
3958     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3959     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3960     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3961     &level.df_laser_blue,
3962     NULL, NULL,
3963     "Blue",                             "Use blue color components in laser"
3964   },
3965   {
3966     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3967     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3968     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3969     &level.rotate_mm_ball_content,
3970     NULL, NULL,
3971     "Randomly rotate created content",  "Randomly rotate newly created content"
3972   },
3973   {
3974     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3975     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3976     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3977     &level.explode_mm_ball,
3978     NULL, NULL,
3979     "Explode ball instead of melting",  "Use explosion to release ball content"
3980   },
3981
3982   // ---------- element settings: configure 1 (custom elements) ---------------
3983
3984   {
3985     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3986     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3987     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3988     &custom_element.use_gfx_element,
3989     NULL, NULL,
3990     "Use graphic of element:",          "Use existing element graphic"
3991   },
3992   {
3993     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3994     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3995     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3996     &level.use_custom_template,
3997     NULL, NULL,
3998     "Use template",                     "Use template for custom properties"
3999   },
4000   {
4001     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4002     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
4003     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
4004     &custom_element_properties[EP_ACCESSIBLE],
4005     NULL, NULL,
4006     NULL,                               "Player can walk to or pass this field"
4007   },
4008   {
4009     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4010     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4011     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
4012     &custom_element_properties[EP_GRAVITY_REACHABLE],
4013     NULL, NULL,
4014     "Reachable despite gravity",        "Player can walk/dig despite gravity"
4015   },
4016   {
4017     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4018     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4019     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
4020     &custom_element.use_last_ce_value,
4021     NULL, NULL,
4022     "Use last CE value after change",   "Use last CE value after change"
4023   },
4024   {
4025     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4026     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
4027     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
4028     &custom_element_properties[EP_WALK_TO_OBJECT],
4029     NULL, NULL,
4030     NULL,                               "Player can dig/collect/push element"
4031   },
4032   {
4033     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4034     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4035     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
4036     &custom_element_properties[EP_INDESTRUCTIBLE],
4037     NULL, NULL,
4038     "Indestructible",                   "Element is indestructible"
4039   },
4040
4041   // ---------- element settings: configure 2 (custom elements) ---------------
4042
4043   {
4044     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4045     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4046     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
4047     &custom_element_properties[EP_CAN_MOVE],
4048     NULL, NULL,
4049     NULL,                               "Element can move with some pattern"
4050   },
4051   {
4052     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4053     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4054     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
4055     &custom_element_properties[EP_CAN_FALL],
4056     NULL, NULL,
4057     "Can fall",                         "Element can fall down"
4058   },
4059   {
4060     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4061     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
4062     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
4063     &custom_element_properties[EP_CAN_SMASH],
4064     NULL, " ",
4065     NULL,                               "Element can smash other elements"
4066   },
4067   {
4068     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4069     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4070     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
4071     &custom_element_properties[EP_SLIPPERY],
4072     NULL, NULL,
4073     NULL,                               "Other elements can fall down from it"
4074   },
4075   {
4076     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4077     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4078     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4079     &custom_element_properties[EP_DEADLY],
4080     NULL, NULL,
4081     NULL,                               "Element can kill the player"
4082   },
4083   {
4084     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4085     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4086     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4087     &custom_element_properties[EP_CAN_EXPLODE],
4088     NULL, NULL,
4089     NULL,                               "Element can explode"
4090   },
4091   {
4092     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4093     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4094     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4095     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4096     NULL, NULL,
4097     "By fire",                          "Element can explode by fire/explosion"
4098   },
4099   {
4100     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4101     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4102     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4103     &custom_element_properties[EP_EXPLODES_SMASHED],
4104     NULL, " ",
4105     "Smashed",                          "Element can explode when smashed"
4106   },
4107   {
4108     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4109     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4110     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4111     &custom_element_properties[EP_EXPLODES_IMPACT],
4112     NULL, " ",
4113     "Impact",                           "Element can explode on impact"
4114   },
4115
4116   // ---------- element settings: advanced (custom elements) ------------------
4117
4118   {
4119     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4120     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4121     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4122     &custom_element_change.can_change,
4123     NULL, NULL,
4124     "Element changes to:",              "Change element on specified condition"
4125   },
4126   {
4127     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4128     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4129     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4130     &custom_element_change_events[CE_DELAY],
4131     NULL, NULL,
4132     NULL,                               "Element changes after delay"
4133   },
4134   {
4135     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4136     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4137     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4138     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4139     NULL, NULL,
4140     NULL,                               "Element changes by direct action"
4141   },
4142   {
4143     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4144     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4145     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4146     &custom_element_change_events[CE_BY_OTHER_ACTION],
4147     NULL, NULL,
4148     NULL,                               "Element changes by other element"
4149   },
4150   {
4151     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4152     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4153     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4154     &custom_element_change.explode,
4155     NULL, NULL,
4156     "Explode instead of change",        "Element explodes instead of change"
4157   },
4158   {
4159     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4160     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4161     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4162     &custom_element_change.use_target_content,
4163     NULL, NULL,
4164     "Use extended change target:",      "Element changes to more elements"
4165   },
4166   {
4167     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4168     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4169     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4170     &custom_element_change.only_if_complete,
4171     NULL, NULL,
4172     "Replace all or nothing",           "Only replace when all can be changed"
4173   },
4174   {
4175     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4176     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4177     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4178     &custom_element_change.use_random_replace,
4179     NULL, NULL,
4180     NULL,                               "Use percentage for random replace"
4181   },
4182   {
4183     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4184     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4185     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4186     &custom_element_change.has_action,
4187     NULL, NULL,
4188     NULL,                               "Execute action on specified condition"
4189   },
4190 };
4191
4192 static struct
4193 {
4194   int gadget_type_id;
4195   int x, y;
4196   int xoffset, yoffset;
4197   int gadget_id;
4198   int gadget_id_align;
4199   int *value;
4200   int area_xsize, area_ysize;
4201   char *text_left, *text_right, *text_above, *text_below, *infotext;
4202 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4203 {
4204   // ---------- level playfield content ---------------------------------------
4205
4206   {
4207     ED_DRAWING_ID_DRAWING_LEVEL,
4208     0,                                  0,
4209     0,                                  0,
4210     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4211     NULL,
4212     -1, -1,     // these values are not constant, but can change at runtime
4213     NULL, NULL, NULL, NULL,             NULL
4214   },
4215
4216   // ---------- yam yam content -----------------------------------------------
4217
4218   {
4219     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4220     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4221     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4222     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4223     &level.yamyam_content[0].e[0][0],   3, 3,
4224     NULL, NULL, NULL, "1",              NULL
4225   },
4226   {
4227     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4228     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4229     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4230     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4231     &level.yamyam_content[1].e[0][0],   3, 3,
4232     NULL, NULL, NULL, "2",              NULL
4233   },
4234   {
4235     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4236     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4237     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4238     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4239     &level.yamyam_content[2].e[0][0],   3, 3,
4240     NULL, NULL, NULL, "3",              NULL
4241   },
4242   {
4243     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4244     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4245     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4246     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4247     &level.yamyam_content[3].e[0][0],   3, 3,
4248     NULL, NULL, NULL, "4",              NULL
4249   },
4250   {
4251     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4252     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4253     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4254     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4255     &level.yamyam_content[4].e[0][0],   3, 3,
4256     NULL, NULL, NULL, "5",              NULL
4257   },
4258   {
4259     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4260     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4261     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4262     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4263     &level.yamyam_content[5].e[0][0],   3, 3,
4264     NULL, NULL, NULL, "6",              NULL
4265   },
4266   {
4267     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4268     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4269     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4270     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4271     &level.yamyam_content[6].e[0][0],   3, 3,
4272     NULL, NULL, NULL, "7",              NULL
4273   },
4274   {
4275     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4276     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4277     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4278     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4279     &level.yamyam_content[7].e[0][0],   3, 3,
4280     NULL, NULL, NULL, "8",              NULL
4281   },
4282
4283   // ---------- magic ball content --------------------------------------------
4284
4285   {
4286     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4287     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4288     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4289     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4290     &level.ball_content[0].e[0][0],     3, 3,
4291     NULL, NULL, NULL, "1",              NULL
4292   },
4293   {
4294     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4295     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4296     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4297     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4298     &level.ball_content[1].e[0][0],     3, 3,
4299     NULL, NULL, NULL, "2",              NULL
4300   },
4301   {
4302     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4303     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4304     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4305     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4306     &level.ball_content[2].e[0][0],     3, 3,
4307     NULL, NULL, NULL, "3",              NULL
4308   },
4309   {
4310     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4311     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4312     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4313     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4314     &level.ball_content[3].e[0][0],     3, 3,
4315     NULL, NULL, NULL, "4",              NULL
4316   },
4317   {
4318     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4319     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4320     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4321     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4322     &level.ball_content[4].e[0][0],     3, 3,
4323     NULL, NULL, NULL, "5",              NULL
4324   },
4325   {
4326     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4327     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4328     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4329     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4330     &level.ball_content[5].e[0][0],     3, 3,
4331     NULL, NULL, NULL, "6",              NULL
4332   },
4333   {
4334     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4335     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4336     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4337     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4338     &level.ball_content[6].e[0][0],     3, 3,
4339     NULL, NULL, NULL, "7",              NULL
4340   },
4341   {
4342     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4343     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4344     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4345     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4346     &level.ball_content[7].e[0][0],     3, 3,
4347     NULL, NULL, NULL, "8",              NULL
4348   },
4349
4350   // ---------- android content -----------------------------------------------
4351
4352   {
4353     ED_DRAWING_ID_ANDROID_CONTENT,
4354     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4355     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4356     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4357     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4358     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4359   },
4360
4361   // ---------- amoeba content ------------------------------------------------
4362
4363   {
4364     ED_DRAWING_ID_AMOEBA_CONTENT,
4365     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4366     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4367     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4368     &level.amoeba_content,              1, 1,
4369     "Content:", NULL, NULL, NULL,       "Amoeba content"
4370   },
4371
4372   // ---------- BD snap element -----------------------------------------------
4373
4374   {
4375     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4376     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4377     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4378     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4379     &level.bd_snap_element,             1, 1,
4380     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4381   },
4382
4383   // ---------- BD magic wall elements ----------------------------------------
4384
4385   {
4386     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4387     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(4),
4388     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4389     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO, GADGET_ID_NONE,
4390     &level.bd_magic_wall_diamond_to,    1, 1,
4391     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4392   },
4393   {
4394     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4395     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4396     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4397     GADGET_ID_BD_MAGIC_WALL_ROCK_TO, GADGET_ID_NONE,
4398     &level.bd_magic_wall_rock_to,       1, 1,
4399     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4400   },
4401   {
4402     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4403     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4404     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4405     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO, GADGET_ID_NONE,
4406     &level.bd_magic_wall_mega_rock_to,  1, 1,
4407     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4408   },
4409   {
4410     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4411     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4412     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4413     GADGET_ID_BD_MAGIC_WALL_NUT_TO, GADGET_ID_NONE,
4414     &level.bd_magic_wall_nut_to,        1, 1,
4415     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4416   },
4417   {
4418     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4419     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4420     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4421     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO, GADGET_ID_NONE,
4422     &level.bd_magic_wall_nitro_pack_to, 1, 1,
4423     "Changes nitro packs to:", NULL, NULL, NULL,        "Element to turn nitro packs to"
4424   },
4425   {
4426     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4427     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(9),
4428     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4429     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO, GADGET_ID_NONE,
4430     &level.bd_magic_wall_flying_diamond_to, 1, 1,
4431     "Changes flying diamonds to:", NULL, NULL, NULL,    "Element to turn flying diamonds to"
4432   },
4433   {
4434     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4435     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4436     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4437     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO, GADGET_ID_NONE,
4438     &level.bd_magic_wall_flying_rock_to, 1, 1,
4439     "Changes flying rocks to:", NULL, NULL, NULL,       "Element to turn flying rocks to"
4440   },
4441
4442   // ---------- BD amoeba content ---------------------------------------------
4443
4444   {
4445     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4446     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4447     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4448     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4449     &level.bd_amoeba_content_too_big,   1, 1,
4450     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4451   },
4452   {
4453     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4454     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4455     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4456     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4457     &level.bd_amoeba_content_enclosed,  1, 1,
4458     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4459   },
4460
4461   // ---------- BD amoeba 2 content -------------------------------------------
4462
4463   {
4464     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4465     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4466     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4467     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4468     &level.bd_amoeba_2_content_too_big, 1, 1,
4469     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4470   },
4471   {
4472     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4473     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4474     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4475     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4476     &level.bd_amoeba_2_content_enclosed,        1, 1,
4477     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4478   },
4479   {
4480     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4481     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4482     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4483     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4484     &level.bd_amoeba_2_content_exploding,       1, 1,
4485     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4486   },
4487   {
4488     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4489     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4490     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4491     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4492     &level.bd_amoeba_2_content_looks_like,      1, 1,
4493     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4494   },
4495   {
4496     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4497     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4498     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4499     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,  GADGET_ID_NONE,
4500     &level.bd_slime_eats_element_1,     1, 1,
4501     "Can eat:", NULL, NULL, NULL,       "Element that can be eaten"
4502   },
4503   {
4504     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4505     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4506     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4507     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1, GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4508     &level.bd_slime_converts_to_element_1,      1, 1,
4509     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4510   },
4511   {
4512     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4513     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4514     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4515     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,  GADGET_ID_NONE,
4516     &level.bd_slime_eats_element_2,     1, 1,
4517     "Can eat:", NULL, NULL, NULL,       "Element that can be eaten"
4518   },
4519   {
4520     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4521     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4522     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4523     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2, GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4524     &level.bd_slime_converts_to_element_2,      1, 1,
4525     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4526   },
4527   {
4528     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4529     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4530     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4531     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,  GADGET_ID_NONE,
4532     &level.bd_slime_eats_element_3,     1, 1,
4533     "Can eat:", NULL, NULL, NULL,       "Element that can be eaten"
4534   },
4535   {
4536     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4537     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4538     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4539     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3, GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4540     &level.bd_slime_converts_to_element_3,      1, 1,
4541     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4542   },
4543   {
4544     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4545     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4546     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4547     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4548     &level.bd_acid_eats_element,        1, 1,
4549     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4550   },
4551   {
4552     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4553     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4554     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4555     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4556     &level.bd_acid_turns_to_element,    1, 1,
4557     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4558   },
4559   {
4560     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4561     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4562     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4563     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4564     &level.bd_biter_eats_element,       1, 1,
4565     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4566   },
4567   {
4568     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4569     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4570     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4571     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4572     &level.bd_bladder_converts_by_element,      1, 1,
4573     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4574   },
4575   {
4576     ED_DRAWING_ID_BD_NUT_CONTENT,
4577     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4578     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4579     GADGET_ID_BD_NUT_CONTENT,           GADGET_ID_NONE,
4580     &level.bd_nut_content,              1, 1,
4581     "When breaking, changes to:", NULL, NULL, NULL,     "Element created when breaking nut"
4582   },
4583
4584   // ---------- level start element -------------------------------------------
4585
4586   {
4587     ED_DRAWING_ID_START_ELEMENT,
4588     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4589     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4590     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4591     &level.start_element[0],            1, 1,
4592     NULL, NULL, NULL, NULL,             "Level start element"
4593   },
4594
4595   // ---------- player artwork element ----------------------------------------
4596
4597   {
4598     ED_DRAWING_ID_ARTWORK_ELEMENT,
4599     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4600     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4601     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4602     &level.artwork_element[0],          1, 1,
4603     NULL, NULL, NULL, NULL,             "Element for player artwork"
4604   },
4605
4606   // ---------- player explosion element --------------------------------------
4607
4608   {
4609     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4610     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4611     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4612     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4613     &level.explosion_element[0],        1, 1,
4614     NULL, NULL, NULL, NULL,             "Element for player explosion"
4615   },
4616
4617   // ---------- player initial inventory --------------------------------------
4618
4619   {
4620     ED_DRAWING_ID_INVENTORY_CONTENT,
4621     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4622     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4623     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4624     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4625     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4626   },
4627
4628   // ---------- gray ball content -----------------------------------------
4629
4630   {
4631     ED_DRAWING_ID_MM_BALL_CONTENT,
4632     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4633     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4634     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4635     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4636     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4637   },
4638
4639   // ---------- element settings: configure 1 (custom elements) ---------------
4640
4641   // ---------- custom graphic ------------------------------------------------
4642
4643   {
4644     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4645     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4646     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4647     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4648     &custom_element.gfx_element_initial, 1, 1,
4649     NULL, NULL, NULL, NULL,             "Custom graphic element"
4650   },
4651
4652   // ---------- element settings: configure 2 (custom elements) ---------------
4653
4654   // ---------- custom content (when exploding) -------------------------------
4655
4656   {
4657     ED_DRAWING_ID_CUSTOM_CONTENT,
4658     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4659     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4660     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4661     &custom_element.content.e[0][0],    3, 3,
4662     "Content:", NULL, NULL, NULL,       NULL
4663   },
4664
4665   // ---------- custom enter and leave element (when moving) ------------------
4666
4667   {
4668     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4669     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4670     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4671     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4672     &custom_element.move_enter_element, 1, 1,
4673     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4674   },
4675   {
4676     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4677     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4678     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4679     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4680     &custom_element.move_leave_element, 1, 1,
4681     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4682   },
4683
4684   // ---------- element settings: advanced (custom elements) ------------------
4685
4686   // ---------- custom change target ------------------------------------------
4687
4688   {
4689     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4690     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4691     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4692     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4693     &custom_element_change.target_element, 1, 1,
4694     NULL, "after/when:", NULL, NULL,    "New target element after change"
4695   },
4696
4697   // ---------- custom change content (extended change target) ----------------
4698
4699   {
4700     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4701     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4702     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4703     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4704     &custom_element_change.target_content.e[0][0], 3, 3,
4705     NULL, NULL, NULL, NULL,             "New extended elements after change"
4706   },
4707
4708   // ---------- custom change trigger (element causing change) ----------------
4709
4710   {
4711     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4712     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4713     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4714     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4715     &custom_element_change.initial_trigger_element, 1, 1,
4716     NULL, NULL, NULL, NULL,             "Other element triggering change"
4717   },
4718
4719   // ---------- custom change action (element used for action) ----------------
4720
4721   {
4722     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4723     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4724     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4725     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4726     &custom_element_change.action_element, 1, 1,
4727     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4728   },
4729
4730   // ---------- group element content -----------------------------------------
4731
4732   {
4733     ED_DRAWING_ID_GROUP_CONTENT,
4734     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4735     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4736     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4737     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4738     "Content:", NULL, NULL, NULL,       NULL
4739   },
4740
4741   // ---------- random background (for random painting) -----------------------
4742
4743   {
4744     ED_DRAWING_ID_RANDOM_BACKGROUND,
4745     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4746     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4747     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4748     &random_placement_background_element, 1, 1,
4749     NULL, NULL, NULL, NULL,             "Random placement background"
4750   },
4751 };
4752
4753
4754 // ----------------------------------------------------------------------------
4755 // some internally used variables
4756 // ----------------------------------------------------------------------------
4757
4758 // maximal size of level editor drawing area
4759 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4760
4761 // actual size of level editor drawing area
4762 static int ed_fieldx, ed_fieldy;
4763
4764 // actual position of level editor drawing area in level playfield
4765 static int level_xpos = -1, level_ypos = -1;
4766
4767 // actual tile size used to display playfield drawing area
4768 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4769 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4770
4771 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4772
4773 // drawing elements on the three mouse buttons
4774 static int new_element1 = EL_WALL;
4775 static int new_element2 = EL_EMPTY;
4776 static int new_element3 = EL_SAND;
4777
4778 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4779 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4780                                 (button) == 2 ? new_element2 : \
4781                                 (button) == 3 ? new_element3 : EL_EMPTY)
4782
4783 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4784
4785 static int use_permanent_palette = TRUE;
4786
4787 #define PX              (use_permanent_palette ? DX : SX)
4788 #define PY              (use_permanent_palette ? DY : SY)
4789 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4790 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4791
4792 // forward declaration for internal use
4793 static void CopyBrushToCursor(int, int);
4794 static void DeleteBrushFromCursor(void);
4795 static void ModifyEditorCounterValue(int, int);
4796 static void ModifyEditorCounterLimits(int, int, int);
4797 static void ModifyEditorSelectboxValue(int, int);
4798 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4799 static void ModifyEditorDrawingArea(int, int, int);
4800 static void ModifyEditorElementList(void);
4801 static void AdjustElementListScrollbar(void);
4802 static void RedrawDrawingElements(void);
4803 static void DrawDrawingWindowExt(boolean);
4804 static void DrawDrawingWindow(void);
4805 static void DrawLevelConfigWindow(void);
4806 static void DrawPropertiesWindow(void);
4807 static void DrawPaletteWindow(void);
4808 static void UpdateCustomElementGraphicGadgets(void);
4809 static boolean checkPropertiesConfig(int);
4810 static void SetAutomaticNumberOfGemsNeeded(void);
4811 static void ClearEditorGadgetInfoText(void);
4812 static void CopyLevelToUndoBuffer(int);
4813 static void HandleDrawingAreas(struct GadgetInfo *);
4814 static void HandleCounterButtons(struct GadgetInfo *);
4815 static void HandleTextInputGadgets(struct GadgetInfo *);
4816 static void HandleTextAreaGadgets(struct GadgetInfo *);
4817 static void HandleSelectboxGadgets(struct GadgetInfo *);
4818 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4819 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4820 static void HandleRadiobuttons(struct GadgetInfo *);
4821 static void HandleCheckbuttons(struct GadgetInfo *);
4822 static void HandleControlButtons(struct GadgetInfo *);
4823 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4824 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4825 static boolean AskToCopyAndModifyLevelTemplate(void);
4826 static boolean getDrawModeHiRes(void);
4827 static int getTabulatorBarWidth(void);
4828 static int getTabulatorBarHeight(void);
4829 static Pixel getTabulatorBarColor(void);
4830 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
4831 static int numHiresTiles(int);
4832
4833 static int num_editor_gadgets = 0;      // dynamically determined
4834
4835 static struct GadgetInfo **level_editor_gadget = NULL;
4836 static int *right_gadget_border = NULL;
4837
4838 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4839 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4840 static boolean draw_with_brush = FALSE;
4841 static int properties_element = 0;
4842
4843 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4844 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4845 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4846 static int undo_buffer_position = 0;
4847 static int undo_buffer_steps = 0;
4848 static int redo_buffer_steps = 0;
4849
4850 static int edit_mode;
4851 static int edit_mode_levelconfig;
4852 static int edit_mode_properties;
4853
4854 static int element_shift = 0;
4855
4856 static int editor_el_players[] =
4857 {
4858   EL_PLAYER_1,
4859   EL_PLAYER_2,
4860   EL_PLAYER_3,
4861   EL_PLAYER_4
4862 };
4863 static int *editor_el_players_ptr = editor_el_players;
4864 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4865
4866 static int editor_hl_boulderdash[] =
4867 {
4868   EL_INTERNAL_CASCADE_BD_ACTIVE,
4869   EL_CHAR('B'),
4870   EL_CHAR('D'),
4871   EL_EMPTY,
4872 };
4873
4874 static int editor_el_boulderdash[] =
4875 {
4876   EL_EMPTY,
4877   EL_SAND,
4878   EL_BD_ROCK,
4879   EL_BD_DIAMOND,
4880
4881   EL_STEELWALL,
4882   EL_BD_WALL,
4883   EL_BD_EXPANDABLE_WALL,
4884   EL_BD_MAGIC_WALL,
4885
4886   EL_BD_AMOEBA,
4887   EL_BD_BUTTERFLY_UP,
4888   EL_BD_FIREFLY_UP,
4889   EL_EXIT_CLOSED,
4890
4891   EL_BD_BUTTERFLY_LEFT,
4892   EL_BD_FIREFLY_LEFT,
4893   EL_BD_BUTTERFLY_RIGHT,
4894   EL_BD_FIREFLY_RIGHT,
4895
4896   EL_EMPTY,
4897   EL_BD_BUTTERFLY_DOWN,
4898   EL_BD_FIREFLY_DOWN,
4899   EL_EXIT_OPEN,
4900 };
4901 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4902 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4903 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4904 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4905
4906 static int editor_hl_boulderdash_native[] =
4907 {
4908   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4909   EL_CHAR('B'),
4910   EL_CHAR('D'),
4911   EL_EMPTY,
4912 };
4913
4914 static int editor_el_boulderdash_native[] =
4915 {
4916   EL_EMPTY,
4917   EL_BD_SAND,
4918   EL_BD_ROCK,
4919   EL_BD_DIAMOND,
4920
4921   EL_BD_STEELWALL,
4922   EL_BD_WALL,
4923   EL_BD_SAND_2,
4924   EL_BD_MAGIC_WALL,
4925
4926   EL_BD_AMOEBA,
4927   EL_BD_BUTTERFLY_UP,
4928   EL_BD_FIREFLY_UP,
4929   EL_BD_EXIT_CLOSED,
4930
4931   EL_BD_BUTTERFLY_LEFT,
4932   EL_BD_FIREFLY_LEFT,
4933   EL_BD_BUTTERFLY_RIGHT,
4934   EL_BD_FIREFLY_RIGHT,
4935
4936   EL_BD_INBOX,
4937   EL_BD_BUTTERFLY_DOWN,
4938   EL_BD_FIREFLY_DOWN,
4939   EL_BD_EXIT_OPEN,
4940
4941   EL_BD_AMOEBA_2,
4942   EL_BD_BUTTERFLY_2_UP,
4943   EL_BD_FIREFLY_2_UP,
4944   EL_BD_SLIME,
4945
4946   EL_BD_BUTTERFLY_2_LEFT,
4947   EL_BD_FIREFLY_2_LEFT,
4948   EL_BD_BUTTERFLY_2_RIGHT,
4949   EL_BD_FIREFLY_2_RIGHT,
4950
4951   EL_BD_BOMB,
4952   EL_BD_BUTTERFLY_2_DOWN,
4953   EL_BD_FIREFLY_2_DOWN,
4954   EL_BD_FLYING_DIAMOND,
4955
4956   EL_BD_NITRO_PACK,
4957   EL_BD_DRAGONFLY_UP,
4958   EL_BD_STONEFLY_UP,
4959   EL_BD_DIAMOND_GLUED,
4960
4961   EL_BD_DRAGONFLY_LEFT,
4962   EL_BD_STONEFLY_LEFT,
4963   EL_BD_DRAGONFLY_RIGHT,
4964   EL_BD_STONEFLY_RIGHT,
4965
4966   EL_BD_NUT,
4967   EL_BD_DRAGONFLY_DOWN,
4968   EL_BD_STONEFLY_DOWN,
4969   EL_EMPTY,
4970
4971   EL_BD_BITER_SWITCH_1,
4972   EL_BD_BITER_UP,
4973   EL_BD_COW_UP,
4974   EL_EMPTY,
4975
4976   EL_BD_BITER_LEFT,
4977   EL_BD_COW_LEFT,
4978   EL_BD_BITER_RIGHT,
4979   EL_BD_COW_RIGHT,
4980
4981   EL_BD_VOODOO_DOLL,
4982   EL_BD_BITER_DOWN,
4983   EL_BD_COW_DOWN,
4984   EL_BD_GHOST,
4985
4986   EL_BD_SAND_GLUED,
4987   EL_BD_SAND_BALL,
4988   EL_BD_SAND_LOOSE,
4989   EL_BD_WALL_NON_SLOPED,
4990
4991   EL_BD_SAND_SLOPED_UP_LEFT,
4992   EL_BD_SAND_SLOPED_UP_RIGHT,
4993   EL_BD_WALL_SLOPED_UP_LEFT,
4994   EL_BD_WALL_SLOPED_UP_RIGHT,
4995
4996   EL_BD_SAND_SLOPED_DOWN_LEFT,
4997   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4998   EL_BD_WALL_SLOPED_DOWN_LEFT,
4999   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5000
5001   EL_BD_FLYING_ROCK,
5002   EL_BD_ROCK_GLUED,
5003   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5004   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5005
5006   EL_BD_WAITING_ROCK,
5007   EL_BD_CHASING_ROCK,
5008   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5009   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5010
5011   EL_BD_MEGA_ROCK,
5012   EL_BD_SWEET,
5013   EL_BD_INVISIBLE_EXIT_CLOSED,
5014   EL_BD_INVISIBLE_EXIT_OPEN,
5015
5016   EL_BD_STEELWALL_EXPLODABLE,
5017   EL_BD_STEELWALL_DIGGABLE,
5018   EL_BD_WALL_DIGGABLE,
5019   EL_BD_FALLING_WALL,
5020
5021   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5022   EL_BD_EXPANDABLE_WALL_VERTICAL,
5023   EL_BD_EXPANDABLE_WALL_ANY,
5024   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
5025
5026   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5027   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5028   EL_BD_EXPANDABLE_STEELWALL_ANY,
5029   EL_BD_CREATURE_SWITCH,
5030
5031   EL_BD_BLADDER,
5032   EL_BD_BLADDER_SPENDER,
5033   EL_BD_REPLICATOR,
5034   EL_BD_REPLICATOR_SWITCH,
5035
5036   EL_BD_CONVEYOR_LEFT,
5037   EL_BD_CONVEYOR_RIGHT,
5038   EL_BD_CONVEYOR_SWITCH,
5039   EL_BD_CONVEYOR_DIR_SWITCH_NORMAL,
5040
5041   EL_BD_CLOCK,
5042   EL_BD_TIME_PENALTY,
5043   EL_BD_GRAVESTONE,
5044   EL_BD_SKELETON,
5045
5046   EL_BD_WATER,
5047   EL_BD_ACID,
5048   EL_BD_LAVA,
5049   EL_BD_BOX,
5050
5051   EL_BD_GATE_1,
5052   EL_BD_GATE_2,
5053   EL_BD_GATE_3,
5054   EL_BD_TRAPPED_DIAMOND,
5055
5056   EL_BD_KEY_1,
5057   EL_BD_KEY_2,
5058   EL_BD_KEY_3,
5059   EL_BD_DIAMOND_KEY,
5060
5061   EL_BD_WALL_KEY_1,
5062   EL_BD_WALL_KEY_2,
5063   EL_BD_WALL_KEY_3,
5064   EL_BD_WALL_DIAMOND,
5065
5066   EL_BD_GRAVITY_SWITCH,
5067   EL_BD_PNEUMATIC_HAMMER,
5068   EL_BD_TELEPORTER,
5069   EL_BD_POT,
5070
5071   EL_BD_PLAYER,
5072   EL_BD_PLAYER_WITH_BOMB,
5073   EL_BD_PLAYER_GLUED,
5074   EL_BD_PLAYER_STIRRING,
5075 };
5076 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5077 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5078 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5079 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5080
5081 static int editor_hl_boulderdash_effects[] =
5082 {
5083   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5084   EL_CHAR('B'),
5085   EL_CHAR('D'),
5086   EL_CHAR('E'),
5087 };
5088
5089 static int editor_el_boulderdash_effects[] =
5090 {
5091   EL_BD_DIAMOND_FALLING,
5092   EL_BD_ROCK_FALLING,
5093   EL_BD_MEGA_ROCK_FALLING,
5094   EL_BD_FLYING_DIAMOND_FLYING,
5095
5096   EL_BD_FALLING_WALL_FALLING,
5097   EL_BD_NITRO_PACK_FALLING,
5098   EL_BD_NUT_FALLING,
5099   EL_BD_FLYING_ROCK_FLYING,
5100
5101   EL_BD_PLAYER_GROWING_1,
5102   EL_BD_PLAYER_GROWING_2,
5103   EL_BD_PLAYER_GROWING_3,
5104   EL_BD_PLAYER,
5105
5106   EL_BD_PLAYER_WITH_BOMB,
5107   EL_BD_PLAYER_STIRRING,
5108   EL_BD_EXIT_OPEN,
5109   EL_BD_INVISIBLE_EXIT_OPEN,
5110
5111   EL_BD_BLADDER_1,
5112   EL_BD_BLADDER_2,
5113   EL_BD_BLADDER_3,
5114   EL_BD_BLADDER_4,
5115
5116   EL_BD_BLADDER_5,
5117   EL_BD_BLADDER_6,
5118   EL_BD_BLADDER_7,
5119   EL_BD_BLADDER_8,
5120
5121   EL_BD_SAND_2,
5122   EL_BD_COW_ENCLOSED_1,
5123   EL_BD_COW_ENCLOSED_2,
5124   EL_BD_COW_ENCLOSED_3,
5125
5126   EL_BD_COW_ENCLOSED_4,
5127   EL_BD_COW_ENCLOSED_5,
5128   EL_BD_COW_ENCLOSED_6,
5129   EL_BD_COW_ENCLOSED_7,
5130
5131   EL_BD_WATER_1,
5132   EL_BD_WATER_2,
5133   EL_BD_WATER_3,
5134   EL_BD_WATER_4,
5135
5136   EL_BD_WATER_5,
5137   EL_BD_WATER_6,
5138   EL_BD_WATER_7,
5139   EL_BD_WATER_8,
5140
5141   EL_BD_WATER_9,
5142   EL_BD_WATER_10,
5143   EL_BD_WATER_11,
5144   EL_BD_WATER_12,
5145
5146   EL_BD_WATER_13,
5147   EL_BD_WATER_14,
5148   EL_BD_WATER_15,
5149   EL_BD_WATER_16,
5150
5151   EL_BD_BOMB_TICKING_1,
5152   EL_BD_BOMB_TICKING_2,
5153   EL_BD_BOMB_TICKING_3,
5154   EL_BD_BOMB_TICKING_4,
5155
5156   EL_BD_BOMB_TICKING_5,
5157   EL_BD_BOMB_TICKING_6,
5158   EL_BD_BOMB_TICKING_7,
5159   EL_EMPTY,
5160
5161   EL_BD_BOMB_EXPLODING_1,
5162   EL_BD_BOMB_EXPLODING_2,
5163   EL_BD_BOMB_EXPLODING_3,
5164   EL_BD_BOMB_EXPLODING_4,
5165
5166   EL_BD_NUT_BREAKING_1,
5167   EL_BD_NUT_BREAKING_2,
5168   EL_BD_NUT_BREAKING_3,
5169   EL_BD_NUT_BREAKING_4,
5170
5171   EL_BD_EXPLODING_1,
5172   EL_BD_EXPLODING_2,
5173   EL_BD_EXPLODING_3,
5174   EL_BD_EXPLODING_4,
5175
5176   EL_BD_EXPLODING_5,
5177   EL_BD_TIME_PENALTY,
5178   EL_BD_DIAMOND_GROWING_1,
5179   EL_BD_DIAMOND_GROWING_2,
5180
5181   EL_BD_DIAMOND_GROWING_3,
5182   EL_BD_DIAMOND_GROWING_4,
5183   EL_BD_DIAMOND_GROWING_5,
5184   EL_BD_NITRO_PACK_EXPLODING,
5185
5186   EL_BD_NITRO_PACK_EXPLODING_1,
5187   EL_BD_NITRO_PACK_EXPLODING_2,
5188   EL_BD_NITRO_PACK_EXPLODING_3,
5189   EL_BD_NITRO_PACK_EXPLODING_4,
5190
5191   EL_BD_ROCK_GROWING_1,
5192   EL_BD_ROCK_GROWING_2,
5193   EL_BD_ROCK_GROWING_3,
5194   EL_BD_ROCK_GROWING_4,
5195
5196   EL_BD_STEELWALL_GROWING_1,
5197   EL_BD_STEELWALL_GROWING_2,
5198   EL_BD_STEELWALL_GROWING_3,
5199   EL_BD_STEELWALL_GROWING_4,
5200
5201   EL_BD_CLOCK_GROWING_1,
5202   EL_BD_CLOCK_GROWING_2,
5203   EL_BD_CLOCK_GROWING_3,
5204   EL_BD_CLOCK_GROWING_4,
5205
5206   EL_BD_GHOST_EXPLODING_1,
5207   EL_BD_GHOST_EXPLODING_2,
5208   EL_BD_GHOST_EXPLODING_3,
5209   EL_BD_GHOST_EXPLODING_4,
5210 };
5211 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5212 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5213 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5214 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5215
5216 static int editor_hl_emerald_mine[] =
5217 {
5218   EL_INTERNAL_CASCADE_EM_ACTIVE,
5219   EL_CHAR('E'),
5220   EL_CHAR('M'),
5221   EL_EMPTY,
5222 };
5223
5224 static int editor_el_emerald_mine[] =
5225 {
5226   EL_SAND,
5227   EL_ROCK,
5228   EL_QUICKSAND_EMPTY,
5229   EL_QUICKSAND_FULL,
5230
5231   EL_STEELWALL,
5232   EL_WALL,
5233   EL_WALL_SLIPPERY,
5234   EL_MAGIC_WALL,
5235
5236   EL_EMERALD,
5237   EL_DIAMOND,
5238   EL_NUT,
5239   EL_BOMB,
5240
5241   EL_EM_DYNAMITE,
5242   EL_EM_DYNAMITE_ACTIVE,
5243   EL_EM_EXIT_CLOSED,
5244   EL_EM_EXIT_OPEN,
5245
5246   EL_YAMYAM_UP,
5247   EL_BUG_UP,
5248   EL_SPACESHIP_UP,
5249   EL_ROBOT,
5250
5251   EL_BUG_LEFT,
5252   EL_SPACESHIP_LEFT,
5253   EL_BUG_RIGHT,
5254   EL_SPACESHIP_RIGHT,
5255
5256   EL_ROBOT_WHEEL,
5257   EL_BUG_DOWN,
5258   EL_SPACESHIP_DOWN,
5259   EL_INVISIBLE_WALL,
5260
5261   EL_ACID_POOL_TOPLEFT,
5262   EL_ACID,
5263   EL_ACID_POOL_TOPRIGHT,
5264   EL_AMOEBA_DROP,
5265
5266   EL_ACID_POOL_BOTTOMLEFT,
5267   EL_ACID_POOL_BOTTOM,
5268   EL_ACID_POOL_BOTTOMRIGHT,
5269   EL_AMOEBA_WET,
5270
5271   EL_EM_KEY_1,
5272   EL_EM_KEY_2,
5273   EL_EM_KEY_3,
5274   EL_EM_KEY_4,
5275
5276   EL_EM_GATE_1,
5277   EL_EM_GATE_2,
5278   EL_EM_GATE_3,
5279   EL_EM_GATE_4,
5280
5281   EL_EM_GATE_1_GRAY,
5282   EL_EM_GATE_2_GRAY,
5283   EL_EM_GATE_3_GRAY,
5284   EL_EM_GATE_4_GRAY,
5285 };
5286 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5287 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5288 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5289 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5290
5291 static int editor_hl_emerald_mine_club[] =
5292 {
5293   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5294   EL_CHAR('E'),
5295   EL_CHAR('M'),
5296   EL_CHAR('C'),
5297 };
5298
5299 static int editor_el_emerald_mine_club[] =
5300 {
5301   EL_EMC_KEY_5,
5302   EL_EMC_KEY_6,
5303   EL_EMC_KEY_7,
5304   EL_EMC_KEY_8,
5305
5306   EL_EMC_GATE_5,
5307   EL_EMC_GATE_6,
5308   EL_EMC_GATE_7,
5309   EL_EMC_GATE_8,
5310
5311   EL_EMC_GATE_5_GRAY,
5312   EL_EMC_GATE_6_GRAY,
5313   EL_EMC_GATE_7_GRAY,
5314   EL_EMC_GATE_8_GRAY,
5315
5316   EL_EMC_STEELWALL_1,
5317   EL_EMC_STEELWALL_2,
5318   EL_EMC_STEELWALL_3,
5319   EL_EMC_STEELWALL_4,
5320
5321   EL_EMC_WALL_13,
5322   EL_EMC_WALL_14,
5323   EL_EMC_WALL_15,
5324   EL_EMC_WALL_16,
5325
5326   EL_EMC_WALL_SLIPPERY_1,
5327   EL_EMC_WALL_SLIPPERY_2,
5328   EL_EMC_WALL_SLIPPERY_3,
5329   EL_EMC_WALL_SLIPPERY_4,
5330
5331   EL_EMC_WALL_1,
5332   EL_EMC_WALL_2,
5333   EL_EMC_WALL_3,
5334   EL_EMC_WALL_4,
5335
5336   EL_EMC_WALL_5,
5337   EL_EMC_WALL_6,
5338   EL_EMC_WALL_7,
5339   EL_EMC_WALL_8,
5340
5341   EL_EMC_WALL_9,
5342   EL_EMC_WALL_10,
5343   EL_EMC_WALL_11,
5344   EL_EMC_WALL_12,
5345
5346   EL_EMC_GRASS,
5347   EL_EMC_FAKE_GRASS,
5348   EL_EMC_PLANT,
5349   EL_EMC_DRIPPER,
5350
5351   EL_EMC_MAGIC_BALL,
5352   EL_EMC_MAGIC_BALL_SWITCH,
5353   EL_EMC_LENSES,
5354   EL_EMC_MAGNIFIER,
5355
5356   EL_SPRING_LEFT,
5357   EL_SPRING,
5358   EL_SPRING_RIGHT,
5359   EL_EMC_SPRING_BUMPER,
5360
5361   EL_BALLOON,
5362   EL_YAMYAM_UP,
5363   EL_BALLOON_SWITCH_UP,
5364   EL_BALLOON_SWITCH_ANY,
5365
5366   EL_YAMYAM_LEFT,
5367   EL_BALLOON_SWITCH_LEFT,
5368   EL_YAMYAM_RIGHT,
5369   EL_BALLOON_SWITCH_RIGHT,
5370
5371   EL_EMC_ANDROID,
5372   EL_YAMYAM_DOWN,
5373   EL_BALLOON_SWITCH_DOWN,
5374   EL_BALLOON_SWITCH_NONE,
5375 };
5376 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5377 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5378 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5379 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5380
5381 static int editor_hl_rnd[] =
5382 {
5383   EL_INTERNAL_CASCADE_RND_ACTIVE,
5384   EL_CHAR('R'),
5385   EL_CHAR('N'),
5386   EL_CHAR('D'),
5387 };
5388
5389 static int editor_el_rnd[] =
5390 {
5391   EL_DYNAMITE,                  // RND
5392   EL_DYNAMITE_ACTIVE,           // RND
5393   EL_EMPTY,
5394   EL_EMPTY,
5395
5396   EL_KEY_1,
5397   EL_KEY_2,
5398   EL_KEY_3,
5399   EL_KEY_4,
5400
5401   EL_GATE_1,
5402   EL_GATE_2,
5403   EL_GATE_3,
5404   EL_GATE_4,
5405
5406   EL_GATE_1_GRAY,
5407   EL_GATE_2_GRAY,
5408   EL_GATE_3_GRAY,
5409   EL_GATE_4_GRAY,
5410
5411   EL_ARROW_LEFT,
5412   EL_ARROW_RIGHT,
5413   EL_ARROW_UP,
5414   EL_ARROW_DOWN,
5415
5416   EL_AMOEBA_DEAD,
5417   EL_AMOEBA_DRY,
5418   EL_AMOEBA_FULL,
5419   EL_GAME_OF_LIFE,
5420
5421   EL_EMERALD_YELLOW,
5422   EL_EMERALD_RED,
5423   EL_EMERALD_PURPLE,
5424   EL_BIOMAZE,
5425
5426   EL_WALL_EMERALD_YELLOW,
5427   EL_WALL_EMERALD_RED,
5428   EL_WALL_EMERALD_PURPLE,
5429   EL_WALL_BD_DIAMOND,
5430
5431   EL_SPEED_PILL,
5432   EL_PACMAN_UP,
5433   EL_TIME_ORB_FULL,
5434   EL_TIME_ORB_EMPTY,
5435
5436   EL_PACMAN_LEFT,
5437   EL_DARK_YAMYAM,
5438   EL_PACMAN_RIGHT,
5439   EL_YAMYAM,                    // RND
5440
5441   EL_BLACK_ORB,
5442   EL_PACMAN_DOWN,
5443   EL_LAMP,
5444   EL_LAMP_ACTIVE,
5445
5446   EL_DYNABOMB_INCREASE_NUMBER,
5447   EL_DYNABOMB_INCREASE_SIZE,
5448   EL_DYNABOMB_INCREASE_POWER,
5449   EL_STONEBLOCK,
5450
5451   EL_MOLE,
5452   EL_PENGUIN,
5453   EL_PIG,
5454   EL_DRAGON,
5455
5456   EL_BUG,
5457   EL_MOLE_UP,
5458   EL_BD_BUTTERFLY,
5459   EL_BD_FIREFLY,
5460
5461   EL_MOLE_LEFT,
5462   EL_SATELLITE,
5463   EL_MOLE_RIGHT,
5464   EL_PACMAN,
5465
5466   EL_SPACESHIP,
5467   EL_MOLE_DOWN,
5468   EL_INVISIBLE_STEELWALL,
5469   EL_INVISIBLE_WALL,
5470
5471   EL_EXPANDABLE_WALL,
5472   EL_EXPANDABLE_WALL_HORIZONTAL,
5473   EL_EXPANDABLE_WALL_VERTICAL,
5474   EL_EXPANDABLE_WALL_ANY,
5475 };
5476 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5477 static int *editor_el_rnd_ptr = editor_el_rnd;
5478 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5479 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5480
5481 static int editor_hl_sokoban[] =
5482 {
5483   EL_INTERNAL_CASCADE_SB_ACTIVE,
5484   EL_CHAR('S'),
5485   EL_CHAR('B'),
5486   EL_EMPTY,
5487 };
5488
5489 static int editor_el_sokoban[] =
5490 {
5491   EL_SOKOBAN_OBJECT,
5492   EL_SOKOBAN_FIELD_EMPTY,
5493   EL_SOKOBAN_FIELD_FULL,
5494   EL_SOKOBAN_FIELD_PLAYER,
5495 };
5496 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5497 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5498 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5499 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5500
5501 static int editor_hl_supaplex[] =
5502 {
5503   EL_INTERNAL_CASCADE_SP_ACTIVE,
5504   EL_CHAR('S'),
5505   EL_CHAR('P'),
5506   EL_EMPTY,
5507 };
5508
5509 static int editor_el_supaplex[] =
5510 {
5511   EL_SP_MURPHY,
5512   EL_EMPTY,
5513   EL_SP_BASE,
5514   EL_SP_BUGGY_BASE,
5515
5516   EL_SP_INFOTRON,
5517   EL_SP_ZONK,
5518   EL_SP_SNIKSNAK,
5519   EL_SP_ELECTRON,
5520
5521   EL_SP_DISK_RED,
5522   EL_SP_DISK_ORANGE,
5523   EL_SP_DISK_YELLOW,
5524   EL_SP_TERMINAL,
5525
5526   EL_SP_EXIT_CLOSED,
5527   EL_SP_PORT_HORIZONTAL,
5528   EL_SP_PORT_VERTICAL,
5529   EL_SP_PORT_ANY,
5530
5531   EL_SP_PORT_LEFT,
5532   EL_SP_PORT_RIGHT,
5533   EL_SP_PORT_UP,
5534   EL_SP_PORT_DOWN,
5535
5536   EL_SP_GRAVITY_PORT_LEFT,
5537   EL_SP_GRAVITY_PORT_RIGHT,
5538   EL_SP_GRAVITY_PORT_UP,
5539   EL_SP_GRAVITY_PORT_DOWN,
5540
5541   EL_SP_GRAVITY_ON_PORT_LEFT,
5542   EL_SP_GRAVITY_ON_PORT_RIGHT,
5543   EL_SP_GRAVITY_ON_PORT_UP,
5544   EL_SP_GRAVITY_ON_PORT_DOWN,
5545
5546   EL_SP_GRAVITY_OFF_PORT_LEFT,
5547   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5548   EL_SP_GRAVITY_OFF_PORT_UP,
5549   EL_SP_GRAVITY_OFF_PORT_DOWN,
5550
5551   EL_SP_HARDWARE_GRAY,
5552   EL_SP_HARDWARE_GREEN,
5553   EL_SP_HARDWARE_BLUE,
5554   EL_SP_HARDWARE_RED,
5555
5556   EL_SP_HARDWARE_BASE_1,
5557   EL_SP_HARDWARE_BASE_2,
5558   EL_SP_HARDWARE_BASE_3,
5559   EL_SP_HARDWARE_BASE_4,
5560
5561   EL_SP_HARDWARE_BASE_5,
5562   EL_SP_HARDWARE_BASE_6,
5563   EL_SP_HARDWARE_YELLOW,
5564   EL_SP_CHIP_TOP,
5565
5566   EL_SP_CHIP_SINGLE,
5567   EL_SP_CHIP_LEFT,
5568   EL_SP_CHIP_RIGHT,
5569   EL_SP_CHIP_BOTTOM,
5570 };
5571 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5572 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5573 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5574 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5575
5576 static int editor_hl_diamond_caves[] =
5577 {
5578   EL_INTERNAL_CASCADE_DC_ACTIVE,
5579   EL_CHAR('D'),
5580   EL_CHAR('C'),
5581   EL_CHAR('2'),
5582 };
5583
5584 static int editor_el_diamond_caves[] =
5585 {
5586   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5587   EL_EM_STEEL_EXIT_OPEN,        // DC2
5588   EL_WALL_EMERALD,              // DC2
5589   EL_WALL_DIAMOND,              // DC2
5590
5591   EL_PEARL,
5592   EL_CRYSTAL,
5593   EL_WALL_PEARL,
5594   EL_WALL_CRYSTAL,
5595
5596   EL_CONVEYOR_BELT_1_LEFT,
5597   EL_CONVEYOR_BELT_1_MIDDLE,
5598   EL_CONVEYOR_BELT_1_RIGHT,
5599   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5600
5601   EL_CONVEYOR_BELT_2_LEFT,
5602   EL_CONVEYOR_BELT_2_MIDDLE,
5603   EL_CONVEYOR_BELT_2_RIGHT,
5604   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5605
5606   EL_CONVEYOR_BELT_3_LEFT,
5607   EL_CONVEYOR_BELT_3_MIDDLE,
5608   EL_CONVEYOR_BELT_3_RIGHT,
5609   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5610
5611   EL_CONVEYOR_BELT_4_LEFT,
5612   EL_CONVEYOR_BELT_4_MIDDLE,
5613   EL_CONVEYOR_BELT_4_RIGHT,
5614   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5615
5616   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5617   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5618   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5619   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5620
5621   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5622   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5623   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5624   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5625
5626   EL_TIMEGATE_CLOSED,
5627   EL_TIMEGATE_OPEN,
5628   EL_TIMEGATE_SWITCH,
5629   EL_DC_TIMEGATE_SWITCH,
5630
5631   EL_SWITCHGATE_CLOSED,
5632   EL_SWITCHGATE_OPEN,
5633   EL_SWITCHGATE_SWITCH_UP,
5634   EL_SWITCHGATE_SWITCH_DOWN,
5635
5636   EL_LIGHT_SWITCH,
5637   EL_LIGHT_SWITCH_ACTIVE,
5638   EL_DC_SWITCHGATE_SWITCH_UP,
5639   EL_DC_SWITCHGATE_SWITCH_DOWN,
5640
5641   EL_STEEL_EXIT_CLOSED,
5642   EL_STEEL_EXIT_OPEN,
5643   EL_STEELWALL_SLIPPERY,
5644   EL_INVISIBLE_SAND,
5645
5646   EL_QUICKSAND_FAST_EMPTY,
5647   EL_QUICKSAND_FAST_FULL,
5648   EL_LANDMINE,
5649   EL_DC_LANDMINE,
5650
5651   EL_SHIELD_NORMAL,
5652   EL_SHIELD_DEADLY,
5653   EL_EXTRA_TIME,
5654   EL_DC_MAGIC_WALL,
5655
5656   EL_ENVELOPE_1,
5657   EL_ENVELOPE_2,
5658   EL_ENVELOPE_3,
5659   EL_ENVELOPE_4,
5660
5661   EL_SIGN_RADIOACTIVITY,
5662   EL_SIGN_WHEELCHAIR,
5663   EL_SIGN_PARKING,
5664   EL_SIGN_NO_ENTRY,
5665
5666   EL_SIGN_GIVE_WAY,
5667   EL_SIGN_ENTRY_FORBIDDEN,
5668   EL_SIGN_EMERGENCY_EXIT,
5669   EL_SIGN_YIN_YANG,
5670
5671 #if 0
5672   EL_SIGN_SPERMS,
5673   EL_SIGN_BULLET,
5674   EL_SIGN_HEART,
5675   EL_SIGN_CROSS,
5676
5677   EL_SIGN_FRANKIE,
5678   EL_EMPTY,
5679   EL_EMPTY,
5680   EL_EMPTY,
5681
5682   EL_SPERMS,
5683   EL_BULLET,
5684   EL_HEART,
5685   EL_CROSS,
5686
5687   EL_FRANKIE,
5688   EL_EMPTY,
5689   EL_EMPTY,
5690   EL_EMPTY,
5691 #endif
5692
5693   EL_DC_STEELWALL_2_SINGLE,
5694   EL_DC_STEELWALL_2_TOP,
5695   EL_SIGN_EXCLAMATION,
5696   EL_SIGN_STOP,
5697
5698   EL_DC_STEELWALL_2_LEFT,
5699   EL_DC_STEELWALL_2_MIDDLE,
5700   EL_DC_STEELWALL_2_HORIZONTAL,
5701   EL_DC_STEELWALL_2_RIGHT,
5702
5703   EL_DC_STEELWALL_1_TOPLEFT,
5704   EL_DC_STEELWALL_2_VERTICAL,
5705   EL_DC_STEELWALL_1_TOPRIGHT,
5706   EL_DC_GATE_WHITE,
5707
5708   EL_DC_STEELWALL_1_VERTICAL,
5709   EL_DC_STEELWALL_2_BOTTOM,
5710   EL_DC_KEY_WHITE,
5711   EL_DC_GATE_WHITE_GRAY,
5712
5713   EL_DC_STEELWALL_1_BOTTOMLEFT,
5714   EL_DC_STEELWALL_1_HORIZONTAL,
5715   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5716   EL_DC_GATE_FAKE_GRAY,
5717
5718   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5719   EL_DC_STEELWALL_1_BOTTOM,
5720   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5721   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5722
5723   EL_DC_STEELWALL_1_RIGHT,
5724   EL_EMPTY,
5725   EL_DC_STEELWALL_1_LEFT,
5726   EL_EXPANDABLE_STEELWALL_VERTICAL,
5727
5728   EL_DC_STEELWALL_1_TOPRIGHT_2,
5729   EL_DC_STEELWALL_1_TOP,
5730   EL_DC_STEELWALL_1_TOPLEFT_2,
5731   EL_EXPANDABLE_STEELWALL_ANY,
5732 };
5733 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5734 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5735 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5736 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5737
5738 static int editor_hl_dx_boulderdash[] =
5739 {
5740   EL_INTERNAL_CASCADE_DX_ACTIVE,
5741   EL_CHAR('D'),
5742   EL_CHAR('X'),
5743   EL_EMPTY,
5744 };
5745
5746 static int editor_el_dx_boulderdash[] =
5747 {
5748   EL_EMPTY,
5749   EL_TUBE_RIGHT_DOWN,
5750   EL_TUBE_HORIZONTAL_DOWN,
5751   EL_TUBE_LEFT_DOWN,
5752
5753   EL_TUBE_HORIZONTAL,
5754   EL_TUBE_VERTICAL_RIGHT,
5755   EL_TUBE_ANY,
5756   EL_TUBE_VERTICAL_LEFT,
5757
5758   EL_TUBE_VERTICAL,
5759   EL_TUBE_RIGHT_UP,
5760   EL_TUBE_HORIZONTAL_UP,
5761   EL_TUBE_LEFT_UP,
5762
5763   EL_TRAP,
5764   EL_DX_SUPABOMB,
5765   EL_EMPTY,
5766   EL_EMPTY
5767 };
5768 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5769 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5770 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5771 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5772
5773 static int editor_hl_mirror_magic[] =
5774 {
5775   EL_INTERNAL_CASCADE_MM_ACTIVE,
5776   EL_CHAR('M'),
5777   EL_CHAR('M'),
5778   EL_EMPTY,
5779 };
5780
5781 static int editor_el_mirror_magic[] =
5782 {
5783   EL_MM_MCDUFFIN_RIGHT,
5784   EL_MM_MCDUFFIN_UP,
5785   EL_MM_MCDUFFIN_LEFT,
5786   EL_MM_MCDUFFIN_DOWN,
5787
5788   EL_MM_MIRROR_START,
5789   EL_MM_MIRROR_FIXED_START,
5790   EL_MM_POLARIZER_START,
5791   EL_MM_POLARIZER_CROSS_START,
5792
5793   EL_MM_TELEPORTER_RED_START,
5794   EL_MM_TELEPORTER_YELLOW_START,
5795   EL_MM_TELEPORTER_GREEN_START,
5796   EL_MM_TELEPORTER_BLUE_START,
5797
5798   EL_MM_PRISM,
5799   EL_MM_FUSE_ACTIVE,
5800   EL_MM_PACMAN_RIGHT,
5801   EL_MM_EXIT_CLOSED,
5802
5803   EL_MM_KETTLE,
5804   EL_MM_BOMB,
5805   EL_MM_KEY,
5806   EL_MM_FUEL_FULL,
5807
5808   EL_MM_LIGHTBULB,
5809   EL_MM_LIGHTBULB_ACTIVE,
5810   EL_MM_GRAY_BALL,
5811   EL_MM_LIGHTBALL,
5812
5813   EL_MM_STEEL_WALL,
5814   EL_MM_WOODEN_WALL,
5815   EL_MM_ICE_WALL,
5816   EL_MM_AMOEBA_WALL,
5817
5818   EL_MM_STEEL_LOCK,
5819   EL_MM_WOODEN_LOCK,
5820   EL_MM_STEEL_BLOCK,
5821   EL_MM_WOODEN_BLOCK,
5822
5823   EL_MM_STEEL_GRID_FIXED_1,
5824   EL_MM_STEEL_GRID_FIXED_2,
5825   EL_MM_STEEL_GRID_FIXED_3,
5826   EL_MM_STEEL_GRID_FIXED_4,
5827
5828   EL_MM_WOODEN_GRID_FIXED_1,
5829   EL_MM_WOODEN_GRID_FIXED_2,
5830   EL_MM_WOODEN_GRID_FIXED_3,
5831   EL_MM_WOODEN_GRID_FIXED_4,
5832
5833   EL_MM_ENVELOPE_1,
5834   EL_MM_ENVELOPE_2,
5835   EL_MM_ENVELOPE_3,
5836   EL_MM_ENVELOPE_4
5837 };
5838 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5839 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5840 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5841 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5842
5843 static int editor_hl_deflektor[] =
5844 {
5845   EL_INTERNAL_CASCADE_DF_ACTIVE,
5846   EL_CHAR('D'),
5847   EL_CHAR('F'),
5848   EL_EMPTY,
5849 };
5850
5851 static int editor_el_deflektor[] =
5852 {
5853   EL_DF_LASER_RIGHT,
5854   EL_DF_LASER_UP,
5855   EL_DF_LASER_LEFT,
5856   EL_DF_LASER_DOWN,
5857
5858   EL_DF_RECEIVER_RIGHT,
5859   EL_DF_RECEIVER_UP,
5860   EL_DF_RECEIVER_LEFT,
5861   EL_DF_RECEIVER_DOWN,
5862
5863   EL_DF_MIRROR_START,
5864   EL_DF_MIRROR_ROTATING_START,
5865   EL_DF_MIRROR_FIXED_START,
5866   EL_DF_CELL,
5867
5868   EL_DF_FIBRE_OPTIC_RED_1,
5869   EL_DF_FIBRE_OPTIC_YELLOW_1,
5870   EL_DF_FIBRE_OPTIC_GREEN_1,
5871   EL_DF_FIBRE_OPTIC_BLUE_1,
5872
5873   EL_DF_STEEL_GRID_FIXED_START,
5874   EL_DF_STEEL_GRID_ROTATING_START,
5875   EL_DF_WOODEN_GRID_FIXED_START,
5876   EL_DF_WOODEN_GRID_ROTATING_START,
5877
5878   EL_DF_STEEL_WALL,
5879   EL_DF_WOODEN_WALL,
5880   EL_DF_REFRACTOR,
5881   EL_DF_MINE,
5882
5883   EL_DF_SLOPE_1,
5884   EL_DF_SLOPE_2,
5885   EL_DF_SLOPE_3,
5886   EL_DF_SLOPE_4
5887 };
5888 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5889 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5890 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5891 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5892
5893 static int editor_hl_chars[] =
5894 {
5895   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5896   EL_CHAR('T'),
5897   EL_CHAR('X'),
5898   EL_CHAR('T'),
5899 };
5900
5901 static int editor_el_chars[] =
5902 {
5903   EL_CHAR(' '),
5904   EL_CHAR('!'),
5905   EL_CHAR('"'),
5906   EL_CHAR('#'),
5907
5908   EL_CHAR('$'),
5909   EL_CHAR('%'),
5910   EL_CHAR('&'),
5911   EL_CHAR('\''),
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('0'),
5924   EL_CHAR('1'),
5925   EL_CHAR('2'),
5926   EL_CHAR('3'),
5927
5928   EL_CHAR('4'),
5929   EL_CHAR('5'),
5930   EL_CHAR('6'),
5931   EL_CHAR('7'),
5932
5933   EL_CHAR('8'),
5934   EL_CHAR('9'),
5935   EL_CHAR(':'),
5936   EL_CHAR(';'),
5937
5938   EL_CHAR('<'),
5939   EL_CHAR('='),
5940   EL_CHAR('>'),
5941   EL_CHAR('?'),
5942
5943   EL_CHAR('@'),
5944   EL_CHAR('A'),
5945   EL_CHAR('B'),
5946   EL_CHAR('C'),
5947
5948   EL_CHAR('D'),
5949   EL_CHAR('E'),
5950   EL_CHAR('F'),
5951   EL_CHAR('G'),
5952
5953   EL_CHAR('H'),
5954   EL_CHAR('I'),
5955   EL_CHAR('J'),
5956   EL_CHAR('K'),
5957
5958   EL_CHAR('L'),
5959   EL_CHAR('M'),
5960   EL_CHAR('N'),
5961   EL_CHAR('O'),
5962
5963   EL_CHAR('P'),
5964   EL_CHAR('Q'),
5965   EL_CHAR('R'),
5966   EL_CHAR('S'),
5967
5968   EL_CHAR('T'),
5969   EL_CHAR('U'),
5970   EL_CHAR('V'),
5971   EL_CHAR('W'),
5972
5973   EL_CHAR('X'),
5974   EL_CHAR('Y'),
5975   EL_CHAR('Z'),
5976   EL_CHAR('['),
5977
5978   EL_CHAR('\\'),
5979   EL_CHAR(']'),
5980   EL_CHAR('^'),
5981   EL_CHAR('_'),
5982
5983   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5984   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5985   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5986   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5987
5988   EL_CHAR(CHAR_BYTE_DEGREE),
5989   EL_CHAR(CHAR_BYTE_REGISTERED),
5990   EL_CHAR(FONT_ASCII_CURSOR),
5991   EL_CHAR(FONT_ASCII_BUTTON),
5992
5993   EL_CHAR(FONT_ASCII_UP),
5994   EL_CHAR(FONT_ASCII_DOWN),
5995   EL_CHAR(' '),
5996   EL_CHAR(' ')
5997 };
5998 static int *editor_hl_chars_ptr = editor_hl_chars;
5999 static int *editor_el_chars_ptr = editor_el_chars;
6000 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6001 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6002
6003 static int editor_hl_steel_chars[] =
6004 {
6005   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6006   EL_STEEL_CHAR('T'),
6007   EL_STEEL_CHAR('X'),
6008   EL_STEEL_CHAR('T'),
6009 };
6010
6011 static int editor_el_steel_chars[] =
6012 {
6013   EL_STEEL_CHAR(' '),
6014   EL_STEEL_CHAR('!'),
6015   EL_STEEL_CHAR('"'),
6016   EL_STEEL_CHAR('#'),
6017
6018   EL_STEEL_CHAR('$'),
6019   EL_STEEL_CHAR('%'),
6020   EL_STEEL_CHAR('&'),
6021   EL_STEEL_CHAR('\''),
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('0'),
6034   EL_STEEL_CHAR('1'),
6035   EL_STEEL_CHAR('2'),
6036   EL_STEEL_CHAR('3'),
6037
6038   EL_STEEL_CHAR('4'),
6039   EL_STEEL_CHAR('5'),
6040   EL_STEEL_CHAR('6'),
6041   EL_STEEL_CHAR('7'),
6042
6043   EL_STEEL_CHAR('8'),
6044   EL_STEEL_CHAR('9'),
6045   EL_STEEL_CHAR(':'),
6046   EL_STEEL_CHAR(';'),
6047
6048   EL_STEEL_CHAR('<'),
6049   EL_STEEL_CHAR('='),
6050   EL_STEEL_CHAR('>'),
6051   EL_STEEL_CHAR('?'),
6052
6053   EL_STEEL_CHAR('@'),
6054   EL_STEEL_CHAR('A'),
6055   EL_STEEL_CHAR('B'),
6056   EL_STEEL_CHAR('C'),
6057
6058   EL_STEEL_CHAR('D'),
6059   EL_STEEL_CHAR('E'),
6060   EL_STEEL_CHAR('F'),
6061   EL_STEEL_CHAR('G'),
6062
6063   EL_STEEL_CHAR('H'),
6064   EL_STEEL_CHAR('I'),
6065   EL_STEEL_CHAR('J'),
6066   EL_STEEL_CHAR('K'),
6067
6068   EL_STEEL_CHAR('L'),
6069   EL_STEEL_CHAR('M'),
6070   EL_STEEL_CHAR('N'),
6071   EL_STEEL_CHAR('O'),
6072
6073   EL_STEEL_CHAR('P'),
6074   EL_STEEL_CHAR('Q'),
6075   EL_STEEL_CHAR('R'),
6076   EL_STEEL_CHAR('S'),
6077
6078   EL_STEEL_CHAR('T'),
6079   EL_STEEL_CHAR('U'),
6080   EL_STEEL_CHAR('V'),
6081   EL_STEEL_CHAR('W'),
6082
6083   EL_STEEL_CHAR('X'),
6084   EL_STEEL_CHAR('Y'),
6085   EL_STEEL_CHAR('Z'),
6086   EL_STEEL_CHAR('['),
6087
6088   EL_STEEL_CHAR('\\'),
6089   EL_STEEL_CHAR(']'),
6090   EL_STEEL_CHAR('^'),
6091   EL_STEEL_CHAR('_'),
6092
6093   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6094   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6095   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6096   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6097
6098   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6099   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6100   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6101   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6102
6103   EL_STEEL_CHAR(FONT_ASCII_UP),
6104   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6105   EL_STEEL_CHAR(' '),
6106   EL_STEEL_CHAR(' ')
6107 };
6108 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6109 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6110 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6111 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6112
6113 static int editor_hl_custom[] =
6114 {
6115   EL_INTERNAL_CASCADE_CE_ACTIVE,
6116   EL_CHAR('C'),
6117   EL_CHAR('E'),
6118   EL_EMPTY,
6119 };
6120
6121 static int editor_el_custom[] =
6122 {
6123   EL_CUSTOM_START + 0,
6124   EL_CUSTOM_START + 1,
6125   EL_CUSTOM_START + 2,
6126   EL_CUSTOM_START + 3,
6127
6128   EL_CUSTOM_START + 4,
6129   EL_CUSTOM_START + 5,
6130   EL_CUSTOM_START + 6,
6131   EL_CUSTOM_START + 7,
6132
6133   EL_CUSTOM_START + 8,
6134   EL_CUSTOM_START + 9,
6135   EL_CUSTOM_START + 10,
6136   EL_CUSTOM_START + 11,
6137
6138   EL_CUSTOM_START + 12,
6139   EL_CUSTOM_START + 13,
6140   EL_CUSTOM_START + 14,
6141   EL_CUSTOM_START + 15,
6142
6143   EL_CUSTOM_START + 16,
6144   EL_CUSTOM_START + 17,
6145   EL_CUSTOM_START + 18,
6146   EL_CUSTOM_START + 19,
6147
6148   EL_CUSTOM_START + 20,
6149   EL_CUSTOM_START + 21,
6150   EL_CUSTOM_START + 22,
6151   EL_CUSTOM_START + 23,
6152
6153   EL_CUSTOM_START + 24,
6154   EL_CUSTOM_START + 25,
6155   EL_CUSTOM_START + 26,
6156   EL_CUSTOM_START + 27,
6157
6158   EL_CUSTOM_START + 28,
6159   EL_CUSTOM_START + 29,
6160   EL_CUSTOM_START + 30,
6161   EL_CUSTOM_START + 31,
6162
6163   EL_CUSTOM_START + 32,
6164   EL_CUSTOM_START + 33,
6165   EL_CUSTOM_START + 34,
6166   EL_CUSTOM_START + 35,
6167
6168   EL_CUSTOM_START + 36,
6169   EL_CUSTOM_START + 37,
6170   EL_CUSTOM_START + 38,
6171   EL_CUSTOM_START + 39,
6172
6173   EL_CUSTOM_START + 40,
6174   EL_CUSTOM_START + 41,
6175   EL_CUSTOM_START + 42,
6176   EL_CUSTOM_START + 43,
6177
6178   EL_CUSTOM_START + 44,
6179   EL_CUSTOM_START + 45,
6180   EL_CUSTOM_START + 46,
6181   EL_CUSTOM_START + 47,
6182
6183   EL_CUSTOM_START + 48,
6184   EL_CUSTOM_START + 49,
6185   EL_CUSTOM_START + 50,
6186   EL_CUSTOM_START + 51,
6187
6188   EL_CUSTOM_START + 52,
6189   EL_CUSTOM_START + 53,
6190   EL_CUSTOM_START + 54,
6191   EL_CUSTOM_START + 55,
6192
6193   EL_CUSTOM_START + 56,
6194   EL_CUSTOM_START + 57,
6195   EL_CUSTOM_START + 58,
6196   EL_CUSTOM_START + 59,
6197
6198   EL_CUSTOM_START + 60,
6199   EL_CUSTOM_START + 61,
6200   EL_CUSTOM_START + 62,
6201   EL_CUSTOM_START + 63,
6202
6203   EL_CUSTOM_START + 64,
6204   EL_CUSTOM_START + 65,
6205   EL_CUSTOM_START + 66,
6206   EL_CUSTOM_START + 67,
6207
6208   EL_CUSTOM_START + 68,
6209   EL_CUSTOM_START + 69,
6210   EL_CUSTOM_START + 70,
6211   EL_CUSTOM_START + 71,
6212
6213   EL_CUSTOM_START + 72,
6214   EL_CUSTOM_START + 73,
6215   EL_CUSTOM_START + 74,
6216   EL_CUSTOM_START + 75,
6217
6218   EL_CUSTOM_START + 76,
6219   EL_CUSTOM_START + 77,
6220   EL_CUSTOM_START + 78,
6221   EL_CUSTOM_START + 79,
6222
6223   EL_CUSTOM_START + 80,
6224   EL_CUSTOM_START + 81,
6225   EL_CUSTOM_START + 82,
6226   EL_CUSTOM_START + 83,
6227
6228   EL_CUSTOM_START + 84,
6229   EL_CUSTOM_START + 85,
6230   EL_CUSTOM_START + 86,
6231   EL_CUSTOM_START + 87,
6232
6233   EL_CUSTOM_START + 88,
6234   EL_CUSTOM_START + 89,
6235   EL_CUSTOM_START + 90,
6236   EL_CUSTOM_START + 91,
6237
6238   EL_CUSTOM_START + 92,
6239   EL_CUSTOM_START + 93,
6240   EL_CUSTOM_START + 94,
6241   EL_CUSTOM_START + 95,
6242
6243   EL_CUSTOM_START + 96,
6244   EL_CUSTOM_START + 97,
6245   EL_CUSTOM_START + 98,
6246   EL_CUSTOM_START + 99,
6247
6248   EL_CUSTOM_START + 100,
6249   EL_CUSTOM_START + 101,
6250   EL_CUSTOM_START + 102,
6251   EL_CUSTOM_START + 103,
6252
6253   EL_CUSTOM_START + 104,
6254   EL_CUSTOM_START + 105,
6255   EL_CUSTOM_START + 106,
6256   EL_CUSTOM_START + 107,
6257
6258   EL_CUSTOM_START + 108,
6259   EL_CUSTOM_START + 109,
6260   EL_CUSTOM_START + 110,
6261   EL_CUSTOM_START + 111,
6262
6263   EL_CUSTOM_START + 112,
6264   EL_CUSTOM_START + 113,
6265   EL_CUSTOM_START + 114,
6266   EL_CUSTOM_START + 115,
6267
6268   EL_CUSTOM_START + 116,
6269   EL_CUSTOM_START + 117,
6270   EL_CUSTOM_START + 118,
6271   EL_CUSTOM_START + 119,
6272
6273   EL_CUSTOM_START + 120,
6274   EL_CUSTOM_START + 121,
6275   EL_CUSTOM_START + 122,
6276   EL_CUSTOM_START + 123,
6277
6278   EL_CUSTOM_START + 124,
6279   EL_CUSTOM_START + 125,
6280   EL_CUSTOM_START + 126,
6281   EL_CUSTOM_START + 127,
6282
6283   EL_CUSTOM_START + 128,
6284   EL_CUSTOM_START + 129,
6285   EL_CUSTOM_START + 130,
6286   EL_CUSTOM_START + 131,
6287
6288   EL_CUSTOM_START + 132,
6289   EL_CUSTOM_START + 133,
6290   EL_CUSTOM_START + 134,
6291   EL_CUSTOM_START + 135,
6292
6293   EL_CUSTOM_START + 136,
6294   EL_CUSTOM_START + 137,
6295   EL_CUSTOM_START + 138,
6296   EL_CUSTOM_START + 139,
6297
6298   EL_CUSTOM_START + 140,
6299   EL_CUSTOM_START + 141,
6300   EL_CUSTOM_START + 142,
6301   EL_CUSTOM_START + 143,
6302
6303   EL_CUSTOM_START + 144,
6304   EL_CUSTOM_START + 145,
6305   EL_CUSTOM_START + 146,
6306   EL_CUSTOM_START + 147,
6307
6308   EL_CUSTOM_START + 148,
6309   EL_CUSTOM_START + 149,
6310   EL_CUSTOM_START + 150,
6311   EL_CUSTOM_START + 151,
6312
6313   EL_CUSTOM_START + 152,
6314   EL_CUSTOM_START + 153,
6315   EL_CUSTOM_START + 154,
6316   EL_CUSTOM_START + 155,
6317
6318   EL_CUSTOM_START + 156,
6319   EL_CUSTOM_START + 157,
6320   EL_CUSTOM_START + 158,
6321   EL_CUSTOM_START + 159,
6322
6323   EL_CUSTOM_START + 160,
6324   EL_CUSTOM_START + 161,
6325   EL_CUSTOM_START + 162,
6326   EL_CUSTOM_START + 163,
6327
6328   EL_CUSTOM_START + 164,
6329   EL_CUSTOM_START + 165,
6330   EL_CUSTOM_START + 166,
6331   EL_CUSTOM_START + 167,
6332
6333   EL_CUSTOM_START + 168,
6334   EL_CUSTOM_START + 169,
6335   EL_CUSTOM_START + 170,
6336   EL_CUSTOM_START + 171,
6337
6338   EL_CUSTOM_START + 172,
6339   EL_CUSTOM_START + 173,
6340   EL_CUSTOM_START + 174,
6341   EL_CUSTOM_START + 175,
6342
6343   EL_CUSTOM_START + 176,
6344   EL_CUSTOM_START + 177,
6345   EL_CUSTOM_START + 178,
6346   EL_CUSTOM_START + 179,
6347
6348   EL_CUSTOM_START + 180,
6349   EL_CUSTOM_START + 181,
6350   EL_CUSTOM_START + 182,
6351   EL_CUSTOM_START + 183,
6352
6353   EL_CUSTOM_START + 184,
6354   EL_CUSTOM_START + 185,
6355   EL_CUSTOM_START + 186,
6356   EL_CUSTOM_START + 187,
6357
6358   EL_CUSTOM_START + 188,
6359   EL_CUSTOM_START + 189,
6360   EL_CUSTOM_START + 190,
6361   EL_CUSTOM_START + 191,
6362
6363   EL_CUSTOM_START + 192,
6364   EL_CUSTOM_START + 193,
6365   EL_CUSTOM_START + 194,
6366   EL_CUSTOM_START + 195,
6367
6368   EL_CUSTOM_START + 196,
6369   EL_CUSTOM_START + 197,
6370   EL_CUSTOM_START + 198,
6371   EL_CUSTOM_START + 199,
6372
6373   EL_CUSTOM_START + 200,
6374   EL_CUSTOM_START + 201,
6375   EL_CUSTOM_START + 202,
6376   EL_CUSTOM_START + 203,
6377
6378   EL_CUSTOM_START + 204,
6379   EL_CUSTOM_START + 205,
6380   EL_CUSTOM_START + 206,
6381   EL_CUSTOM_START + 207,
6382
6383   EL_CUSTOM_START + 208,
6384   EL_CUSTOM_START + 209,
6385   EL_CUSTOM_START + 210,
6386   EL_CUSTOM_START + 211,
6387
6388   EL_CUSTOM_START + 212,
6389   EL_CUSTOM_START + 213,
6390   EL_CUSTOM_START + 214,
6391   EL_CUSTOM_START + 215,
6392
6393   EL_CUSTOM_START + 216,
6394   EL_CUSTOM_START + 217,
6395   EL_CUSTOM_START + 218,
6396   EL_CUSTOM_START + 219,
6397
6398   EL_CUSTOM_START + 220,
6399   EL_CUSTOM_START + 221,
6400   EL_CUSTOM_START + 222,
6401   EL_CUSTOM_START + 223,
6402
6403   EL_CUSTOM_START + 224,
6404   EL_CUSTOM_START + 225,
6405   EL_CUSTOM_START + 226,
6406   EL_CUSTOM_START + 227,
6407
6408   EL_CUSTOM_START + 228,
6409   EL_CUSTOM_START + 229,
6410   EL_CUSTOM_START + 230,
6411   EL_CUSTOM_START + 231,
6412
6413   EL_CUSTOM_START + 232,
6414   EL_CUSTOM_START + 233,
6415   EL_CUSTOM_START + 234,
6416   EL_CUSTOM_START + 235,
6417
6418   EL_CUSTOM_START + 236,
6419   EL_CUSTOM_START + 237,
6420   EL_CUSTOM_START + 238,
6421   EL_CUSTOM_START + 239,
6422
6423   EL_CUSTOM_START + 240,
6424   EL_CUSTOM_START + 241,
6425   EL_CUSTOM_START + 242,
6426   EL_CUSTOM_START + 243,
6427
6428   EL_CUSTOM_START + 244,
6429   EL_CUSTOM_START + 245,
6430   EL_CUSTOM_START + 246,
6431   EL_CUSTOM_START + 247,
6432
6433   EL_CUSTOM_START + 248,
6434   EL_CUSTOM_START + 249,
6435   EL_CUSTOM_START + 250,
6436   EL_CUSTOM_START + 251,
6437
6438   EL_CUSTOM_START + 252,
6439   EL_CUSTOM_START + 253,
6440   EL_CUSTOM_START + 254,
6441   EL_CUSTOM_START + 255
6442 };
6443 static int *editor_hl_custom_ptr = editor_hl_custom;
6444 static int *editor_el_custom_ptr = editor_el_custom;
6445 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6446 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6447
6448 static int editor_hl_group[] =
6449 {
6450   EL_INTERNAL_CASCADE_GE_ACTIVE,
6451   EL_CHAR('G'),
6452   EL_CHAR('E'),
6453   EL_EMPTY,
6454 };
6455
6456 static int editor_el_group[] =
6457 {
6458   EL_GROUP_START + 0,
6459   EL_GROUP_START + 1,
6460   EL_GROUP_START + 2,
6461   EL_GROUP_START + 3,
6462
6463   EL_GROUP_START + 4,
6464   EL_GROUP_START + 5,
6465   EL_GROUP_START + 6,
6466   EL_GROUP_START + 7,
6467
6468   EL_GROUP_START + 8,
6469   EL_GROUP_START + 9,
6470   EL_GROUP_START + 10,
6471   EL_GROUP_START + 11,
6472
6473   EL_GROUP_START + 12,
6474   EL_GROUP_START + 13,
6475   EL_GROUP_START + 14,
6476   EL_GROUP_START + 15,
6477
6478   EL_GROUP_START + 16,
6479   EL_GROUP_START + 17,
6480   EL_GROUP_START + 18,
6481   EL_GROUP_START + 19,
6482
6483   EL_GROUP_START + 20,
6484   EL_GROUP_START + 21,
6485   EL_GROUP_START + 22,
6486   EL_GROUP_START + 23,
6487
6488   EL_GROUP_START + 24,
6489   EL_GROUP_START + 25,
6490   EL_GROUP_START + 26,
6491   EL_GROUP_START + 27,
6492
6493   EL_GROUP_START + 28,
6494   EL_GROUP_START + 29,
6495   EL_GROUP_START + 30,
6496   EL_GROUP_START + 31
6497 };
6498 static int *editor_hl_group_ptr = editor_hl_group;
6499 static int *editor_el_group_ptr = editor_el_group;
6500 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6501 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6502
6503 static int editor_hl_empty_space[] =
6504 {
6505   EL_INTERNAL_CASCADE_ES_ACTIVE,
6506   EL_CHAR('E'),
6507   EL_CHAR('S'),
6508   EL_EMPTY,
6509 };
6510
6511 static int editor_el_empty_space[] =
6512 {
6513   EL_EMPTY_SPACE_1,
6514   EL_EMPTY_SPACE_2,
6515   EL_EMPTY_SPACE_3,
6516   EL_EMPTY_SPACE_4,
6517
6518   EL_EMPTY_SPACE_5,
6519   EL_EMPTY_SPACE_6,
6520   EL_EMPTY_SPACE_7,
6521   EL_EMPTY_SPACE_8,
6522
6523   EL_EMPTY_SPACE_9,
6524   EL_EMPTY_SPACE_10,
6525   EL_EMPTY_SPACE_11,
6526   EL_EMPTY_SPACE_12,
6527
6528   EL_EMPTY_SPACE_13,
6529   EL_EMPTY_SPACE_14,
6530   EL_EMPTY_SPACE_15,
6531   EL_EMPTY_SPACE_16
6532 };
6533 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6534 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6535 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6536 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6537
6538 static int editor_hl_reference[] =
6539 {
6540   EL_INTERNAL_CASCADE_REF_ACTIVE,
6541   EL_CHAR('R'),
6542   EL_CHAR('E'),
6543   EL_CHAR('F')
6544 };
6545
6546 static int editor_el_reference[] =
6547 {
6548   EL_TRIGGER_PLAYER,
6549   EL_TRIGGER_ELEMENT,
6550   EL_TRIGGER_CE_VALUE,
6551   EL_TRIGGER_CE_SCORE,
6552
6553   EL_SELF,
6554   EL_ANY_ELEMENT,
6555   EL_CURRENT_CE_VALUE,
6556   EL_CURRENT_CE_SCORE,
6557
6558   EL_PREV_CE_8,
6559   EL_PREV_CE_7,
6560   EL_PREV_CE_6,
6561   EL_PREV_CE_5,
6562
6563   EL_PREV_CE_4,
6564   EL_PREV_CE_3,
6565   EL_PREV_CE_2,
6566   EL_PREV_CE_1,
6567
6568   EL_NEXT_CE_1,
6569   EL_NEXT_CE_2,
6570   EL_NEXT_CE_3,
6571   EL_NEXT_CE_4,
6572
6573   EL_NEXT_CE_5,
6574   EL_NEXT_CE_6,
6575   EL_NEXT_CE_7,
6576   EL_NEXT_CE_8,
6577 };
6578 static int *editor_hl_reference_ptr = editor_hl_reference;
6579 static int *editor_el_reference_ptr = editor_el_reference;
6580 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6581 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6582
6583 static int editor_hl_user_defined[] =
6584 {
6585   EL_INTERNAL_CASCADE_USER_ACTIVE,
6586   EL_CHAR('M'),
6587   EL_CHAR('Y'),
6588   EL_EMPTY,
6589 };
6590
6591 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6592 static int *editor_el_user_defined_ptr = NULL;
6593 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6594 static int num_editor_el_user_defined = 0;
6595
6596 static int editor_hl_dynamic[] =
6597 {
6598   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6599   EL_CHAR('U'),
6600   EL_CHAR('S'),
6601   EL_CHAR('E'),
6602 };
6603
6604 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6605 static int *editor_el_dynamic_ptr = NULL;
6606 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6607 static int num_editor_el_dynamic = 0;
6608
6609 static int editor_hl_empty[] = { EL_EMPTY };
6610 static int *editor_el_empty = NULL;     // dynamically allocated
6611
6612 static int *editor_hl_empty_ptr = editor_hl_empty;
6613 static int *editor_el_empty_ptr = NULL;
6614 static int num_editor_hl_empty = 0;
6615 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6616
6617 static boolean use_el_empty = FALSE;
6618
6619 static int *editor_elements = NULL;     // dynamically allocated
6620 static int num_editor_elements = 0;     // dynamically determined
6621
6622 static boolean setup_editor_cascade_never = FALSE;
6623
6624 static boolean setup_editor_el_players                  = TRUE;
6625 static boolean setup_editor_el_boulderdash              = TRUE;
6626 static boolean setup_editor_el_boulderdash_native       = TRUE;
6627 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6628 static boolean setup_editor_el_emerald_mine             = TRUE;
6629 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6630 static boolean setup_editor_el_more                     = TRUE;
6631 static boolean setup_editor_el_sokoban                  = TRUE;
6632 static boolean setup_editor_el_supaplex                 = TRUE;
6633 static boolean setup_editor_el_diamond_caves            = TRUE;
6634 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6635 static boolean setup_editor_el_mirror_magic             = TRUE;
6636 static boolean setup_editor_el_deflektor                = TRUE;
6637 static boolean setup_editor_el_chars                    = TRUE;
6638 static boolean setup_editor_el_steel_chars              = TRUE;
6639 static boolean setup_editor_el_custom                   = TRUE;
6640 static boolean setup_editor_el_user_defined             = TRUE;
6641 static boolean setup_editor_el_dynamic                  = TRUE;
6642
6643 static int editor_hl_unused[] = { EL_EMPTY };
6644 static int *editor_hl_unused_ptr = editor_hl_unused;
6645 static int num_editor_hl_unused = 0;
6646
6647 static struct
6648 {
6649   boolean *setup_value;
6650   boolean *setup_cascade_value;
6651
6652   int **headline_list;
6653   int *headline_list_size;
6654
6655   int **element_list;
6656   int *element_list_size;
6657
6658   boolean last_setup_value;
6659 }
6660 editor_elements_info[] =
6661 {
6662   {
6663     &setup_editor_el_players,
6664     &setup_editor_cascade_never,
6665     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6666     &editor_el_players_ptr,             &num_editor_el_players
6667   },
6668   {
6669     &setup_editor_el_boulderdash,
6670     &setup.editor_cascade.el_bd,
6671     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6672     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6673   },
6674   {
6675     &setup_editor_el_boulderdash_native,
6676     &setup.editor_cascade.el_bd_native,
6677     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6678     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6679   },
6680   {
6681     &setup_editor_el_boulderdash_effects,
6682     &setup.editor_cascade.el_bd_effects,
6683     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6684     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6685   },
6686   {
6687     &setup_editor_el_emerald_mine,
6688     &setup.editor_cascade.el_em,
6689     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6690     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6691   },
6692   {
6693     &setup_editor_el_emerald_mine_club,
6694     &setup.editor_cascade.el_emc,
6695     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6696     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6697   },
6698   {
6699     &setup_editor_el_more,
6700     &setup.editor_cascade.el_rnd,
6701     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6702     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6703   },
6704   {
6705     &setup_editor_el_sokoban,
6706     &setup.editor_cascade.el_sb,
6707     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6708     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6709   },
6710   {
6711     &setup_editor_el_supaplex,
6712     &setup.editor_cascade.el_sp,
6713     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6714     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6715   },
6716   {
6717     &setup_editor_el_diamond_caves,
6718     &setup.editor_cascade.el_dc,
6719     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6720     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6721   },
6722   {
6723     &setup_editor_el_dx_boulderdash,
6724     &setup.editor_cascade.el_dx,
6725     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6726     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6727   },
6728   {
6729     &setup_editor_el_mirror_magic,
6730     &setup.editor_cascade.el_mm,
6731     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6732     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6733   },
6734   {
6735     &setup_editor_el_deflektor,
6736     &setup.editor_cascade.el_df,
6737     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6738     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6739   },
6740   {
6741     &setup_editor_el_chars,
6742     &setup.editor_cascade.el_chars,
6743     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6744     &editor_el_chars_ptr,               &num_editor_el_chars
6745   },
6746   {
6747     &setup_editor_el_steel_chars,
6748     &setup.editor_cascade.el_steel_chars,
6749     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6750     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6751   },
6752   {
6753     &setup_editor_el_custom,
6754     &setup.editor_cascade.el_ce,
6755     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6756     &editor_el_custom_ptr,              &num_editor_el_custom
6757   },
6758   {
6759     &setup_editor_el_custom,
6760     &setup.editor_cascade.el_ge,
6761     &editor_hl_group_ptr,               &num_editor_hl_group,
6762     &editor_el_group_ptr,               &num_editor_el_group
6763   },
6764   {
6765     &setup_editor_el_custom,
6766     &setup.editor_cascade.el_es,
6767     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6768     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6769   },
6770   {
6771     &setup_editor_el_custom,
6772     &setup.editor_cascade.el_ref,
6773     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6774     &editor_el_reference_ptr,           &num_editor_el_reference
6775   },
6776   {
6777     &setup_editor_el_user_defined,
6778     &setup.editor_cascade.el_user,
6779     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6780     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6781   },
6782   {
6783     &setup_editor_el_dynamic,
6784     &setup.editor_cascade.el_dynamic,
6785     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6786     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6787   },
6788   {
6789     &use_el_empty,
6790     &use_el_empty,
6791     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6792     &editor_el_empty_ptr,               &num_editor_el_empty,
6793   },
6794   {
6795     NULL,
6796     NULL,
6797     NULL,                               NULL,
6798     NULL,                               NULL
6799   }
6800 };
6801
6802 static struct XY xy_directions[] =
6803 {
6804   { -1,  0 },
6805   { +1,  0 },
6806   {  0, -1 },
6807   {  0, +1 }
6808 };
6809
6810
6811 // ----------------------------------------------------------------------------
6812 // functions
6813 // ----------------------------------------------------------------------------
6814
6815 static int getMaxInfoTextLength(void)
6816 {
6817   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6818 }
6819
6820 static int getTextWidthForGadget(char *text)
6821 {
6822   if (text == NULL)
6823     return 0;
6824
6825   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6826 }
6827
6828 static int getTextWidthForDrawingArea(char *text)
6829 {
6830   if (text == NULL)
6831     return 0;
6832
6833   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6834 }
6835
6836 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6837 {
6838   return (gi->x + gi->width + getTextWidthForGadget(text));
6839 }
6840
6841 static char *getElementInfoText(int element)
6842 {
6843   char *info_text = NULL;
6844
6845   if (element < MAX_NUM_ELEMENTS)
6846   {
6847     if (strlen(element_info[element].description) > 0)
6848       info_text = element_info[element].description;
6849     else if (element_info[element].custom_description != NULL)
6850       info_text = element_info[element].custom_description;
6851     else if (element_info[element].editor_description != NULL)
6852       info_text = element_info[element].editor_description;
6853   }
6854
6855   if (info_text == NULL)
6856     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6857
6858   return info_text;
6859 }
6860
6861 static char *getElementDescriptionFilenameExt(char *basename)
6862 {
6863   char *elements_subdir = ELEMENTS_DIRECTORY;
6864   static char *elements_subdir2 = NULL;
6865   static char *filename = NULL;
6866
6867   if (elements_subdir2 == NULL)
6868     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6869
6870   checked_free(filename);
6871
6872   // 1st try: look for element description in current level set directory
6873   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6874   if (fileExists(filename))
6875     return filename;
6876
6877   free(filename);
6878
6879   // 2nd try: look for element description in the game's base directory
6880   filename = getPath3(options.docs_directory, elements_subdir, basename);
6881   if (fileExists(filename))
6882     return filename;
6883
6884   return NULL;
6885 }
6886
6887 static char *getElementDescriptionFilename(int element)
6888 {
6889   char basename[MAX_FILENAME_LEN];
6890   char *filename;
6891
6892   // 1st try: look for element description file for exactly this element
6893   sprintf(basename, "%s.txt", element_info[element].token_name);
6894   filename = getElementDescriptionFilenameExt(basename);
6895   if (filename != NULL)
6896     return filename;
6897
6898   // 2nd try: look for element description file for this element's class
6899   sprintf(basename, "%s.txt", element_info[element].class_name);
6900   filename = getElementDescriptionFilenameExt(basename);
6901   if (filename != NULL)
6902     return filename;
6903
6904   // 3rd try: look for generic fallback text file for any element
6905   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6906   if (filename != NULL)
6907     return filename;
6908
6909   return NULL;
6910 }
6911
6912 static boolean suppressBorderElement(void)
6913 {
6914   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6915           lev_fieldx <= MAX_ED_FIELDX &&
6916           lev_fieldy <= MAX_ED_FIELDY);
6917 }
6918
6919 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6920 {
6921   boolean element_found[NUM_FILE_ELEMENTS];
6922   int i, x, y;
6923
6924   // initialize list of used elements to "not used"
6925   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6926     element_found[i] = FALSE;
6927
6928   // find all elements used in current level
6929   for (y = 0; y < lev_fieldy; y++)
6930   {
6931     for (x = 0; x < lev_fieldx; x++)
6932     {
6933       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6934         continue;
6935
6936       if (IS_MM_WALL(Tile[x][y]))
6937         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6938       else
6939         element_found[Tile[x][y]] = TRUE;
6940     }
6941   }
6942
6943   *num_elements = 0;
6944
6945   // count number of elements used in current level
6946   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6947     if (element_found[i])
6948       (*num_elements)++;
6949
6950   // add space for up to 3 more elements for padding that may be needed
6951   *num_elements += 3;
6952
6953   // free memory for old list of elements, if needed
6954   checked_free(*elements);
6955
6956   // allocate memory for new list of elements
6957   *elements = checked_malloc(*num_elements * sizeof(int));
6958
6959   *num_elements = 0;
6960
6961   // add all elements used in current level (non-custom/group/empty elements)
6962   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6963     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6964                               IS_GROUP_ELEMENT(i) ||
6965                               IS_EMPTY_ELEMENT(i)))
6966       (*elements)[(*num_elements)++] = i;
6967
6968   // add all elements used in current level (custom/group/empty elements)
6969   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6970     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6971                              IS_GROUP_ELEMENT(i) ||
6972                              IS_EMPTY_ELEMENT(i)))
6973       (*elements)[(*num_elements)++] = i;
6974
6975   while (*num_elements % 4)     // pad with empty elements, if needed
6976     (*elements)[(*num_elements)++] = EL_EMPTY;
6977 }
6978
6979 static void ReinitializeElementList_EnableSections(void)
6980 {
6981   // default: enable all element sections
6982
6983   setup_editor_el_players               = TRUE;
6984   setup_editor_el_boulderdash           = TRUE;
6985   setup_editor_el_boulderdash_native    = TRUE;
6986   setup_editor_el_boulderdash_effects   = TRUE;
6987   setup_editor_el_emerald_mine          = TRUE;
6988   setup_editor_el_emerald_mine_club     = TRUE;
6989   setup_editor_el_more                  = TRUE;
6990   setup_editor_el_sokoban               = TRUE;
6991   setup_editor_el_supaplex              = TRUE;
6992   setup_editor_el_diamond_caves         = TRUE;
6993   setup_editor_el_dx_boulderdash        = TRUE;
6994   setup_editor_el_mirror_magic          = TRUE;
6995   setup_editor_el_deflektor             = TRUE;
6996   setup_editor_el_chars                 = TRUE;
6997   setup_editor_el_steel_chars           = TRUE;
6998
6999   setup_editor_el_custom                = TRUE;
7000   setup_editor_el_user_defined          = TRUE;
7001   setup_editor_el_dynamic               = TRUE;
7002
7003   // now disable all element sections not to be displayed
7004
7005   if (!setup.editor.el_classic)
7006   {
7007     setup_editor_el_players             = FALSE;
7008     setup_editor_el_boulderdash         = FALSE;
7009     setup_editor_el_boulderdash_native  = FALSE;
7010     setup_editor_el_boulderdash_effects = FALSE;
7011     setup_editor_el_emerald_mine        = FALSE;
7012     setup_editor_el_emerald_mine_club   = FALSE;
7013     setup_editor_el_more                = FALSE;
7014     setup_editor_el_sokoban             = FALSE;
7015     setup_editor_el_supaplex            = FALSE;
7016     setup_editor_el_diamond_caves       = FALSE;
7017     setup_editor_el_dx_boulderdash      = FALSE;
7018     setup_editor_el_mirror_magic        = FALSE;
7019     setup_editor_el_deflektor           = FALSE;
7020     setup_editor_el_chars               = FALSE;
7021     setup_editor_el_steel_chars         = FALSE;
7022   }
7023
7024   if (!setup.editor.el_custom)
7025   {
7026     setup_editor_el_custom              = FALSE;
7027   }
7028
7029   if (!setup.editor.el_user_defined)
7030   {
7031     setup_editor_el_user_defined        = FALSE;
7032   }
7033
7034   if (!setup.editor.el_dynamic)
7035   {
7036     setup_editor_el_dynamic             = FALSE;
7037   }
7038
7039   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7040   {
7041     setup_editor_el_boulderdash_native  = FALSE;
7042     setup_editor_el_boulderdash_effects = FALSE;
7043     setup_editor_el_mirror_magic        = FALSE;
7044     setup_editor_el_deflektor           = FALSE;
7045   }
7046   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7047   {
7048     setup_editor_el_players             = FALSE;
7049     setup_editor_el_boulderdash         = FALSE;
7050     setup_editor_el_emerald_mine        = FALSE;
7051     setup_editor_el_emerald_mine_club   = FALSE;
7052     setup_editor_el_more                = FALSE;
7053     setup_editor_el_sokoban             = FALSE;
7054     setup_editor_el_supaplex            = FALSE;
7055     setup_editor_el_diamond_caves       = FALSE;
7056     setup_editor_el_dx_boulderdash      = FALSE;
7057     setup_editor_el_mirror_magic        = FALSE;
7058     setup_editor_el_deflektor           = FALSE;
7059     setup_editor_el_chars               = FALSE;
7060     setup_editor_el_steel_chars         = FALSE;
7061
7062     setup_editor_el_custom              = FALSE;
7063   }
7064   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7065   {
7066     setup_editor_el_boulderdash         = FALSE;
7067     setup_editor_el_boulderdash_native  = FALSE;
7068     setup_editor_el_boulderdash_effects = FALSE;
7069     setup_editor_el_more                = FALSE;
7070     setup_editor_el_sokoban             = FALSE;
7071     setup_editor_el_supaplex            = FALSE;
7072     setup_editor_el_diamond_caves       = FALSE;
7073     setup_editor_el_dx_boulderdash      = FALSE;
7074     setup_editor_el_mirror_magic        = FALSE;
7075     setup_editor_el_deflektor           = FALSE;
7076     setup_editor_el_steel_chars         = FALSE;
7077
7078     setup_editor_el_custom              = FALSE;
7079   }
7080   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7081   {
7082     setup_editor_el_players             = FALSE;
7083     setup_editor_el_boulderdash         = FALSE;
7084     setup_editor_el_boulderdash_native  = FALSE;
7085     setup_editor_el_boulderdash_effects = FALSE;
7086     setup_editor_el_emerald_mine        = FALSE;
7087     setup_editor_el_emerald_mine_club   = FALSE;
7088     setup_editor_el_more                = FALSE;
7089     setup_editor_el_sokoban             = FALSE;
7090     setup_editor_el_diamond_caves       = FALSE;
7091     setup_editor_el_dx_boulderdash      = FALSE;
7092     setup_editor_el_mirror_magic        = FALSE;
7093     setup_editor_el_deflektor           = FALSE;
7094     setup_editor_el_chars               = FALSE;
7095     setup_editor_el_steel_chars         = FALSE;
7096
7097     setup_editor_el_custom              = FALSE;
7098   }
7099   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7100   {
7101     setup_editor_el_players             = FALSE;
7102     setup_editor_el_boulderdash         = FALSE;
7103     setup_editor_el_boulderdash_native  = FALSE;
7104     setup_editor_el_boulderdash_effects = FALSE;
7105     setup_editor_el_emerald_mine        = FALSE;
7106     setup_editor_el_emerald_mine_club   = FALSE;
7107     setup_editor_el_more                = FALSE;
7108     setup_editor_el_sokoban             = FALSE;
7109     setup_editor_el_supaplex            = FALSE;
7110     setup_editor_el_diamond_caves       = FALSE;
7111     setup_editor_el_dx_boulderdash      = FALSE;
7112     setup_editor_el_steel_chars         = FALSE;
7113
7114     setup_editor_el_custom              = FALSE;
7115   }
7116 }
7117
7118 static void ReinitializeElementList(void)
7119 {
7120   static boolean initialization_needed = TRUE;
7121   int pos = 0;
7122   int i, j;
7123
7124   ReinitializeElementList_EnableSections();
7125
7126   if (initialization_needed)
7127   {
7128     LoadSetup_EditorCascade();          // load last editor cascade state
7129
7130     // initialize editor cascade element from saved cascade state
7131     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7132     {
7133       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7134       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7135
7136       if (IS_EDITOR_CASCADE(*cascade_element))
7137         *cascade_element =
7138           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7139            EL_CASCADE_INACTIVE(*cascade_element));
7140     }
7141
7142     initialization_needed = FALSE;
7143   }
7144
7145   checked_free(editor_elements);
7146
7147   // reload optional user defined element list for each invocation of editor
7148   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7149                                    &num_editor_el_user_defined);
7150
7151   // initialize dynamic level element list for each invocation of editor
7152   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7153                                &num_editor_el_dynamic);
7154
7155   // initialize list of empty elements (used for padding, if needed)
7156   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7157     editor_el_empty[i] = EL_EMPTY;
7158
7159   // do some sanity checks for each element from element list
7160   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7161   {
7162     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7163     {
7164       int element = (*editor_elements_info[i].element_list)[j];
7165
7166       if (element >= NUM_FILE_ELEMENTS)
7167         Warn("editor element %d is runtime element", element);
7168
7169       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7170         Warn("no element description text for element %d", element);
7171     }
7172   }
7173
7174   num_editor_elements = 0;
7175   use_el_empty = FALSE;
7176
7177   // determine size of element list
7178   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7179   {
7180     if (*editor_elements_info[i].setup_value)
7181     {
7182       boolean found_inactive_cascade = FALSE;
7183
7184       if (setup.editor.el_headlines)
7185       {
7186         // required for correct padding of palette headline buttons
7187         if (*editor_elements_info[i].headline_list_size > 0)
7188           num_editor_elements += ED_ELEMENTLIST_COLS;
7189
7190         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7191         {
7192           int element = (*editor_elements_info[i].headline_list)[j];
7193
7194           if (IS_EDITOR_CASCADE_INACTIVE(element))
7195             found_inactive_cascade = TRUE;
7196         }
7197       }
7198
7199       if (found_inactive_cascade)
7200         continue;
7201
7202       // required for correct padding of palette element buttons
7203       int element_list_size = *editor_elements_info[i].element_list_size;
7204       int element_rows =
7205         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7206       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7207
7208       num_editor_elements += element_buttons;
7209     }
7210   }
7211
7212   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7213   {
7214     // offer at least as many elements as element buttons exist
7215     use_el_empty = TRUE;
7216     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7217
7218     num_editor_elements += num_editor_el_empty;
7219   }
7220   else
7221   {
7222     num_editor_el_empty = 0;
7223   }
7224
7225   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7226
7227   // fill element list
7228   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7229   {
7230     boolean found_inactive_cascade = FALSE;
7231
7232     if (*editor_elements_info[i].setup_value)
7233     {
7234       if (setup.editor.el_headlines)
7235       {
7236         // required for correct padding of palette headline buttons
7237         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7238                              ED_ELEMENTLIST_COLS : 0);
7239
7240         for (j = 0; j < headline_size; j++)
7241         {
7242           // use empty elements for padding of palette headline buttons
7243           int element = (j < *editor_elements_info[i].headline_list_size ?
7244                          (*editor_elements_info[i].headline_list)[j] :
7245                          editor_el_empty[0]);
7246
7247           editor_elements[pos++] = element;
7248
7249           if (IS_EDITOR_CASCADE_INACTIVE(element))
7250             found_inactive_cascade = TRUE;
7251         }
7252       }
7253
7254       if (found_inactive_cascade)
7255         continue;
7256
7257       // required for correct padding of palette element buttons
7258       int element_list_size = *editor_elements_info[i].element_list_size;
7259       int element_rows =
7260         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7261       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7262
7263       // copy all elements from element list
7264       for (j = 0; j < element_list_size; j++)
7265         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7266
7267       // use empty elements for padding of palette element buttons
7268       for (j = 0; j < element_buttons - element_list_size; j++)
7269         editor_elements[pos++] = editor_el_empty[0];
7270     }
7271   }
7272
7273   // (this function is also called before editor gadgets are initialized!)
7274   AdjustElementListScrollbar();
7275 }
7276
7277 void PrintEditorElementList(void)
7278 {
7279   boolean *stop = &setup_editor_el_user_defined;
7280   int i, j;
7281
7282   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7283   {
7284     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7285
7286     if (IS_EDITOR_CASCADE(cascade_element))
7287     {
7288       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7289       char *headline = element_info[cascade_element_show].editor_description;
7290
7291       PrintLineWithPrefix("# ", "-", 77);
7292       Print("# %s\n", headline);
7293       PrintLineWithPrefix("# ", "-", 77);
7294     }
7295
7296     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7297     {
7298       int element = (*editor_elements_info[i].headline_list)[j];
7299
7300       if (IS_EDITOR_CASCADE(element))
7301         element = EL_CHAR_MINUS;
7302
7303       Print("# %s\n", element_info[element].token_name);
7304     }
7305
7306     if (j > 0)
7307       Print("#\n");
7308
7309     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7310     {
7311       int element = (*editor_elements_info[i].element_list)[j];
7312
7313       Print("# %s\n", element_info[element].token_name);
7314     }
7315
7316     if (j > 0)
7317       Print("#\n");
7318   }
7319 }
7320
7321 static void ReinitializeElementListButtons(void)
7322 {
7323   static boolean last_setup_value_headlines = FALSE;
7324   static boolean initialization_needed = TRUE;
7325   int i;
7326
7327   if (!initialization_needed)   // check if editor element setup has changed
7328   {
7329     if (last_setup_value_headlines != setup.editor.el_headlines)
7330       initialization_needed = TRUE;
7331
7332     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7333       if (editor_elements_info[i].last_setup_value !=
7334           *editor_elements_info[i].setup_value)
7335         initialization_needed = TRUE;
7336   }
7337
7338   if (!initialization_needed)
7339     return;
7340
7341   FreeLevelEditorGadgets();
7342   CreateLevelEditorGadgets();
7343
7344   // store current setup values for next invocation of this function
7345   last_setup_value_headlines = setup.editor.el_headlines;
7346   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7347     editor_elements_info[i].last_setup_value =
7348       *editor_elements_info[i].setup_value;
7349
7350   initialization_needed = FALSE;
7351 }
7352
7353 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7354                               boolean input)
7355 {
7356   int border_graphic =
7357     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7358   struct GraphicInfo *g = &graphic_info[border_graphic];
7359   Bitmap *src_bitmap = g->bitmap;
7360   int src_x = g->src_x;
7361   int src_y = g->src_y;
7362   int border_size = g->border_size;
7363   int border_xpos = g->width  - border_size;
7364   int border_ypos = g->height - border_size;
7365   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7366   int i;
7367
7368   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7369              border_size, border_size,
7370              dest_x - border_size, dest_y - border_size);
7371   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7372              border_size, border_size,
7373              dest_x + width, dest_y - border_size);
7374   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7375              border_size, border_size,
7376              dest_x - border_size, dest_y + height);
7377   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7378              border_size, border_size,
7379              dest_x + width, dest_y + height);
7380
7381   for (i = 0; i < width / tilesize; i++)
7382   {
7383     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7384                tilesize, border_size,
7385                dest_x + i * tilesize, dest_y - border_size);
7386     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7387                tilesize, border_size,
7388                dest_x + i * tilesize, dest_y + height);
7389   }
7390
7391   for (i = 0; i < height / tilesize; i++)
7392   {
7393     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7394                border_size, tilesize,
7395                dest_x - border_size, dest_y + i * tilesize);
7396     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7397                border_size, tilesize,
7398                dest_x + width, dest_y + i * tilesize);
7399   }
7400
7401   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7402 }
7403
7404 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7405 {
7406   int xsize_tile = MAX(ed_tilesize, xsize);
7407   int ysize_tile = MAX(ed_tilesize, ysize);
7408   int xsize_full = xsize + 1;
7409   int ysize_full = ysize + 1;
7410   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7411   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7412   Pixel line_color = getTabulatorBarColor();
7413
7414   if (line_color == BLACK_PIXEL)                // black => transparent
7415     return;
7416
7417   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7418   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7419   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7420 }
7421
7422 static void DrawEditorLevelBorderLinesIfNeeded(void)
7423 {
7424   int xsize = lev_fieldx * ed_tilesize;
7425   int ysize = lev_fieldy * ed_tilesize;
7426   int line_size = getTabulatorBarHeight();
7427
7428   if (!suppressBorderElement())
7429     return;
7430
7431   // draw little border line around editable level playfield
7432
7433   if (xsize < SXSIZE)
7434     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7435
7436   if (ysize < SYSIZE)
7437     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7438
7439   if (xsize < SXSIZE && ysize < SYSIZE)
7440     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7441 }
7442
7443 static void DrawEditorElement(int x, int y, int element)
7444 {
7445   DrawSizedElement(x, y, element, ed_tilesize);
7446 }
7447
7448 static void DrawEditorElementThruMask(int x, int y, int element)
7449 {
7450   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7451 }
7452
7453 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7454 {
7455   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7456 }
7457
7458 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7459 {
7460   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7461   DrawEditorLevelBorderLinesIfNeeded();
7462 }
7463
7464 static void DrawDrawingArea(int id)
7465 {
7466   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7467   int x, y;
7468
7469   int *value = drawingarea_info[id].value;
7470   int area_xsize = drawingarea_info[id].area_xsize;
7471   int area_ysize = drawingarea_info[id].area_ysize;
7472   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7473
7474   for (x = 0; x < area_xsize; x++)
7475   {
7476     for (y = 0; y < area_ysize; y++)
7477     {
7478       int element = value[x * area_ysize + y];
7479       int graphic;
7480       int frame;
7481
7482       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7483
7484       DrawSizedGraphicExt(drawto,
7485                           gi->x + x * tilesize,
7486                           gi->y + y * tilesize,
7487                           graphic, frame, tilesize);
7488     }
7489   }
7490 }
7491
7492 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7493 {
7494   int x, y;
7495   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7496   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7497
7498   BlitBitmap(drawto, drawto,
7499              SX + (dx == -1 ? ed_tilesize : 0),
7500              SY + (dy == -1 ? ed_tilesize : 0),
7501              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7502              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7503              SX + (dx == +1 ? ed_tilesize : 0),
7504              SY + (dy == +1 ? ed_tilesize : 0));
7505
7506   if (dx)
7507   {
7508     x = (dx == 1 ? 0 : ed_fieldx - 1);
7509     for (y = 0; y < ed_fieldy; y++)
7510       DrawEditorElementOrWall(x, y, from_x, from_y);
7511   }
7512   else if (dy)
7513   {
7514     y = (dy == 1 ? 0 : ed_fieldy - 1);
7515     for (x = 0; x < ed_fieldx; x++)
7516       DrawEditorElementOrWall(x, y, from_x, from_y);
7517   }
7518
7519   redraw_mask |= REDRAW_FIELD;
7520   BackToFront();
7521 }
7522
7523 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7524 {
7525   if (use_editor_gfx)
7526   {
7527     *graphic = el2edimg(element);
7528     *frame = 0;
7529   }
7530   else
7531   {
7532     *graphic = el2img(element);
7533     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7534               custom_element.ce_value_fixed_initial :
7535               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7536               custom_element.collect_score_initial : FrameCounter);
7537   }
7538
7539   if (*graphic == IMG_UNKNOWN)
7540   {
7541     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7542     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7543     int element_bd = map_element_RND_to_BD_cave(element);
7544
7545     if (element_bd != O_UNKNOWN)
7546     {
7547       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7548
7549       *graphic = g_bd->graphic;
7550       *frame   = g_bd->frame;
7551     }
7552   }
7553 }
7554
7555 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7556                                    int *x, int *y)
7557 {
7558   int graphic;
7559   int frame;
7560
7561   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7562
7563   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7564 }
7565
7566 static void CreateControlButtons(void)
7567 {
7568   struct GadgetInfo *gi;
7569   int i;
7570
7571   // create toolbox buttons
7572   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7573   {
7574     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7575     int id = controlbutton_info[i].gadget_id;
7576     int type = controlbutton_info[i].gadget_type;
7577     int graphic = controlbutton_info[i].graphic;
7578     struct XYTileSize *pos = controlbutton_info[i].pos;
7579     struct GraphicInfo *gd = &graphic_info[graphic];
7580     Bitmap *deco_bitmap = NULL;
7581     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7582     int tile_size = 0, deco_shift = 0;
7583     boolean deco_masked = FALSE;
7584     int gd_x1 = gd->src_x;
7585     int gd_y1 = gd->src_y;
7586     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7587     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7588     int gd_x1a = gd->src_x + gd->active_xoffset;
7589     int gd_y1a = gd->src_y + gd->active_yoffset;
7590     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7591     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7592     int x = pos->x;
7593     int y = pos->y;
7594     unsigned int event_mask;
7595     int radio_button_nr = RADIO_NR_NONE;
7596     boolean checked = FALSE;
7597
7598     if (type_id != i)
7599       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7600
7601     if (type == GD_TYPE_RADIO_BUTTON)
7602     {
7603       event_mask = GD_EVENT_PRESSED;
7604       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7605
7606       if (id == drawing_function)
7607         checked = TRUE;
7608     }
7609     else
7610     {
7611       if (id == GADGET_ID_WRAP_LEFT ||
7612           id == GADGET_ID_WRAP_RIGHT ||
7613           id == GADGET_ID_WRAP_UP ||
7614           id == GADGET_ID_WRAP_DOWN)
7615         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7616       else
7617         event_mask = GD_EVENT_RELEASED;
7618     }
7619
7620     if (id == GADGET_ID_PROPERTIES ||
7621         id == GADGET_ID_PALETTE)
7622     {
7623       x += DX;
7624       y += DY;
7625     }
7626     else if (id == GADGET_ID_ELEMENT_LEFT ||
7627              id == GADGET_ID_ELEMENT_MIDDLE ||
7628              id == GADGET_ID_ELEMENT_RIGHT)
7629     {
7630       x += DX;
7631       y += DY;
7632
7633       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7634                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7635                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7636
7637       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7638                                    editor.button.element_left.tile_size :
7639                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7640                                    editor.button.element_middle.tile_size :
7641                                    id == GADGET_ID_ELEMENT_RIGHT ?
7642                                    editor.button.element_right.tile_size : 0);
7643
7644       // make sure that decoration does not overlap gadget border
7645       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7646
7647       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7648
7649       deco_xpos = (gd->width  - tile_size) / 2;
7650       deco_ypos = (gd->height - tile_size) / 2;
7651       deco_shift = 1;
7652       deco_masked = gd->draw_masked;
7653     }
7654     else
7655     {
7656       x += EX;
7657       y += EY;
7658     }
7659
7660     gi = CreateGadget(GDI_CUSTOM_ID, id,
7661                       GDI_CUSTOM_TYPE_ID, type_id,
7662                       GDI_IMAGE_ID, graphic,
7663                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7664                       GDI_X, x,
7665                       GDI_Y, y,
7666                       GDI_WIDTH, gd->width,
7667                       GDI_HEIGHT, gd->height,
7668                       GDI_TYPE, type,
7669                       GDI_STATE, GD_BUTTON_UNPRESSED,
7670                       GDI_RADIO_NR, radio_button_nr,
7671                       GDI_CHECKED, checked,
7672                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7673                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7674                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7675                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7676                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7677                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7678                       GDI_DECORATION_SIZE, tile_size, tile_size,
7679                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7680                       GDI_DECORATION_MASKED, deco_masked,
7681                       GDI_EVENT_MASK, event_mask,
7682                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7683                       GDI_CALLBACK_ACTION, HandleControlButtons,
7684                       GDI_END);
7685
7686     if (gi == NULL)
7687       Fail("cannot create gadget");
7688
7689     level_editor_gadget[id] = gi;
7690   }
7691
7692   // these values are not constant, but can change at runtime
7693   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7694   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7695   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7696   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7697   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7698   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7699   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7700   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7701   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7702   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7703   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7704   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7705
7706   // create buttons for scrolling of drawing area and element list
7707   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7708   {
7709     int id = scrollbutton_info[i].gadget_id;
7710     int type_id = scrollbutton_info[i].gadget_type_id;
7711     int graphic = scrollbutton_info[i].graphic;
7712     struct GraphicInfo *gd = &graphic_info[graphic];
7713     Bitmap *gd_bitmap = gd->bitmap;
7714     int gd_x1 = gd->src_x;
7715     int gd_y1 = gd->src_y;
7716     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7717     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7718     int width  = gd->width;
7719     int height = gd->height;
7720     int x = scrollbutton_pos[i].x;
7721     int y = scrollbutton_pos[i].y;
7722     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7723
7724     if (type_id != i)
7725       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7726
7727     if (id == GADGET_ID_SCROLL_LIST_UP ||
7728         id == GADGET_ID_SCROLL_LIST_DOWN)
7729     {
7730       x += PX;
7731       y += PY;
7732     }
7733     else
7734     {
7735       x += SX;
7736       y += SY;
7737     }
7738
7739     gi = CreateGadget(GDI_CUSTOM_ID, id,
7740                       GDI_CUSTOM_TYPE_ID, type_id,
7741                       GDI_IMAGE_ID, graphic,
7742                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7743                       GDI_X, x,
7744                       GDI_Y, y,
7745                       GDI_WIDTH, width,
7746                       GDI_HEIGHT, height,
7747                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7748                       GDI_STATE, GD_BUTTON_UNPRESSED,
7749                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7750                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7751                       GDI_EVENT_MASK, event_mask,
7752                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7753                       GDI_CALLBACK_ACTION, HandleControlButtons,
7754                       GDI_END);
7755
7756     if (gi == NULL)
7757       Fail("cannot create gadget");
7758
7759     level_editor_gadget[id] = gi;
7760   }
7761
7762   // create buttons for element list
7763   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7764   {
7765     int type_id = i;
7766     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7767     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7768     struct GraphicInfo *gd = &graphic_info[graphic];
7769     Bitmap *gd_bitmap = gd->bitmap;
7770     Bitmap *deco_bitmap;
7771     int deco_x, deco_y, deco_xpos, deco_ypos;
7772     int gd_x1 = gd->src_x;
7773     int gd_y1 = gd->src_y;
7774     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7775     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7776     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7777     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7778     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7779     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7780     int element = editor_elements[i];
7781     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7782     unsigned int event_mask = GD_EVENT_RELEASED;
7783
7784     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7785
7786     deco_xpos = (gd->width  - tile_size) / 2;
7787     deco_ypos = (gd->height - tile_size) / 2;
7788
7789     gi = CreateGadget(GDI_CUSTOM_ID, id,
7790                       GDI_CUSTOM_TYPE_ID, type_id,
7791                       GDI_IMAGE_ID, graphic,
7792                       GDI_INFO_TEXT, getElementInfoText(element),
7793                       GDI_X, x,
7794                       GDI_Y, y,
7795                       GDI_WIDTH, gd->width,
7796                       GDI_HEIGHT, gd->height,
7797                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7798                       GDI_STATE, GD_BUTTON_UNPRESSED,
7799                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7800                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7801                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7802                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7803                       GDI_DECORATION_SIZE, tile_size, tile_size,
7804                       GDI_DECORATION_SHIFTING, 1, 1,
7805                       GDI_EVENT_MASK, event_mask,
7806                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7807                       GDI_CALLBACK_ACTION, HandleControlButtons,
7808                       GDI_END);
7809
7810     if (gi == NULL)
7811       Fail("cannot create gadget");
7812
7813     level_editor_gadget[id] = gi;
7814   }
7815 }
7816
7817 static void CreateCounterButtons(void)
7818 {
7819   int max_infotext_len = getMaxInfoTextLength();
7820   int i;
7821
7822   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7823   {
7824     int type_id = counterbutton_info[i].gadget_type_id;
7825     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7826     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7827     int j;
7828
7829     if (type_id != i)
7830       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7831
7832     // determine horizontal position to the right of specified gadget
7833     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7834       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7835            ED_GADGET_TEXT_DISTANCE);
7836
7837     // determine horizontal offset for leading text
7838     if (counterbutton_info[i].text_left != NULL)
7839       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7840
7841     for (j = 0; j < 2; j++)
7842     {
7843       struct GadgetInfo *gi;
7844       int id = (j == 0 ?
7845                 counterbutton_info[i].gadget_id_down :
7846                 counterbutton_info[i].gadget_id_up);
7847       int graphic;
7848       struct GraphicInfo *gd;
7849       int gd_x1, gd_x2, gd_y1, gd_y2;
7850       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7851       char infotext[max_infotext_len + 1];
7852
7853       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7854       {
7855         graphic = (j == 0 ?
7856                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7857                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7858
7859         event_mask |= GD_EVENT_RELEASED;
7860
7861         if (j == 0)
7862         {
7863           x = DX + editor.button.prev_level.x;
7864           y = DY + editor.button.prev_level.y;
7865         }
7866         else
7867         {
7868           x = DX + editor.button.next_level.x;
7869           y = DY + editor.button.next_level.y;
7870         }
7871       }
7872       else
7873       {
7874         graphic = (j == 0 ?
7875                    IMG_EDITOR_COUNTER_DOWN :
7876                    IMG_EDITOR_COUNTER_UP);
7877       }
7878
7879       gd = &graphic_info[graphic];
7880
7881       gd_x1 = gd->src_x;
7882       gd_y1 = gd->src_y;
7883       gd_x2 = gd->src_x + gd->pressed_xoffset;
7884       gd_y2 = gd->src_y + gd->pressed_yoffset;
7885
7886       sprintf(infotext, "%s counter value by 1, 5 or 10",
7887               (j == 0 ? "Decrease" : "Increase"));
7888
7889       gi = CreateGadget(GDI_CUSTOM_ID, id,
7890                         GDI_CUSTOM_TYPE_ID, type_id,
7891                         GDI_IMAGE_ID, graphic,
7892                         GDI_INFO_TEXT, infotext,
7893                         GDI_X, x,
7894                         GDI_Y, y,
7895                         GDI_WIDTH, gd->width,
7896                         GDI_HEIGHT, gd->height,
7897                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7898                         GDI_STATE, GD_BUTTON_UNPRESSED,
7899                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7900                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7901                         GDI_EVENT_MASK, event_mask,
7902                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7903                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7904                         GDI_END);
7905
7906       if (gi == NULL)
7907         Fail("cannot create gadget");
7908
7909       level_editor_gadget[id] = gi;
7910       right_gadget_border[id] =
7911         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7912
7913       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7914
7915       if (j == 0)
7916       {
7917         int font_type = FONT_INPUT_1;
7918         int font_type_active = FONT_INPUT_1_ACTIVE;
7919
7920         id = counterbutton_info[i].gadget_id_text;
7921
7922         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7923
7924         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7925         {
7926           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7927
7928           font_type = FONT_LEVEL_NUMBER;
7929           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7930
7931           x = DX + editor.input.level_number.x;
7932           y = DY + editor.input.level_number.y;
7933         }
7934         else
7935         {
7936           graphic = IMG_EDITOR_COUNTER_INPUT;
7937         }
7938
7939         gd = &graphic_info[graphic];
7940
7941         gd_x1 = gd->src_x;
7942         gd_y1 = gd->src_y;
7943         gd_x2 = gd->src_x + gd->active_xoffset;
7944         gd_y2 = gd->src_y + gd->active_yoffset;
7945
7946         gi = CreateGadget(GDI_CUSTOM_ID, id,
7947                           GDI_CUSTOM_TYPE_ID, type_id,
7948                           GDI_IMAGE_ID, graphic,
7949                           GDI_INFO_TEXT, "Enter counter value",
7950                           GDI_X, x,
7951                           GDI_Y, y,
7952                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7953                           GDI_NUMBER_VALUE, 0,
7954                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7955                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7956                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7957                           GDI_TEXT_FONT, font_type,
7958                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7959                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7960                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7961                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7962                           GDI_DESIGN_WIDTH, gd->width,
7963                           GDI_EVENT_MASK, event_mask,
7964                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7965                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7966                           GDI_END);
7967
7968         if (gi == NULL)
7969           Fail("cannot create gadget");
7970
7971         level_editor_gadget[id] = gi;
7972         right_gadget_border[id] =
7973           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7974
7975         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7976       }
7977     }
7978   }
7979 }
7980
7981 static void CreateDrawingAreas(void)
7982 {
7983   int i;
7984
7985   // these values are not constant, but can change at runtime
7986   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7987   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7988
7989   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7990   {
7991     struct GadgetInfo *gi;
7992     int id = drawingarea_info[i].gadget_id;
7993     int type_id = drawingarea_info[i].gadget_type_id;
7994     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7995     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7996     int area_xsize = drawingarea_info[i].area_xsize;
7997     int area_ysize = drawingarea_info[i].area_ysize;
7998     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7999                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8000     unsigned int event_mask =
8001       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8002       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8003
8004     if (type_id != i)
8005       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8006
8007     // determine horizontal position to the right of specified gadget
8008     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8009       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8010            ED_DRAWINGAREA_TEXT_DISTANCE);
8011
8012     // determine horizontal offset for leading text
8013     if (drawingarea_info[i].text_left != NULL)
8014       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8015
8016     gi = CreateGadget(GDI_CUSTOM_ID, id,
8017                       GDI_CUSTOM_TYPE_ID, type_id,
8018                       GDI_X, x,
8019                       GDI_Y, y,
8020                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8021                       GDI_AREA_SIZE, area_xsize, area_ysize,
8022                       GDI_ITEM_SIZE, item_size, item_size,
8023                       GDI_EVENT_MASK, event_mask,
8024                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8025                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8026                       GDI_END);
8027
8028     if (gi == NULL)
8029       Fail("cannot create gadget");
8030
8031     level_editor_gadget[id] = gi;
8032     right_gadget_border[id] =
8033       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8034   }
8035 }
8036
8037 static void CreateTextInputGadgets(void)
8038 {
8039   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8040   int max_infotext_len = getMaxInfoTextLength();
8041   int i;
8042
8043   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8044   {
8045     int gd_x1 = gd->src_x;
8046     int gd_y1 = gd->src_y;
8047     int gd_x2 = gd->src_x + gd->active_xoffset;
8048     int gd_y2 = gd->src_y + gd->active_yoffset;
8049     struct GadgetInfo *gi;
8050     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8051     char infotext[MAX_OUTPUT_LINESIZE + 1];
8052     int id = textinput_info[i].gadget_id;
8053     int type_id = textinput_info[i].gadget_type_id;
8054     int x, y;
8055
8056     if (type_id != i)
8057       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8058
8059     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8060     {
8061       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8062       int border_size = gd->border_size;
8063       int font_nr = FONT_INPUT_1;
8064       int font_height = getFontHeight(font_nr);
8065       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8066       int yoffset = element_border + (TILEY - font_height) / 2;
8067
8068       x = (editor.settings.element_name.x != -1 ?
8069            editor.settings.element_name.x :
8070            editor.settings.element_graphic.x + xoffset) - border_size;
8071       y = (editor.settings.element_name.y != -1 ?
8072            editor.settings.element_name.y :
8073            editor.settings.element_graphic.y + yoffset) - border_size;
8074     }
8075     else
8076     {
8077       x = ED_SETTINGS_X(textinput_info[i].x);
8078       y = ED_SETTINGS_Y(textinput_info[i].y);
8079     }
8080
8081     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8082     infotext[max_infotext_len] = '\0';
8083
8084     gi = CreateGadget(GDI_CUSTOM_ID, id,
8085                       GDI_CUSTOM_TYPE_ID, type_id,
8086                       GDI_INFO_TEXT, infotext,
8087                       GDI_X, SX + x,
8088                       GDI_Y, SY + y,
8089                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8090                       GDI_TEXT_VALUE, textinput_info[i].value,
8091                       GDI_TEXT_SIZE, textinput_info[i].size,
8092                       GDI_TEXT_FONT, FONT_INPUT_1,
8093                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8094                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8095                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8096                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8097                       GDI_DESIGN_WIDTH, gd->width,
8098                       GDI_EVENT_MASK, event_mask,
8099                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8100                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8101                       GDI_END);
8102
8103     if (gi == NULL)
8104       Fail("cannot create gadget");
8105
8106     level_editor_gadget[id] = gi;
8107   }
8108 }
8109
8110 static void CreateTextAreaGadgets(void)
8111 {
8112   int max_infotext_len = getMaxInfoTextLength();
8113   int i;
8114
8115   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8116   {
8117     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8118     int gd_x1 = gd->src_x;
8119     int gd_y1 = gd->src_y;
8120     int gd_x2 = gd->src_x + gd->active_xoffset;
8121     int gd_y2 = gd->src_y + gd->active_yoffset;
8122     struct GadgetInfo *gi;
8123     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8124     char infotext[MAX_OUTPUT_LINESIZE + 1];
8125     int id = textarea_info[i].gadget_id;
8126     int type_id = textarea_info[i].gadget_type_id;
8127     int area_xsize = textarea_info[i].xsize;
8128     int area_ysize = textarea_info[i].ysize;
8129
8130     if (type_id != i)
8131       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8132
8133     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8134     infotext[max_infotext_len] = '\0';
8135
8136     gi = CreateGadget(GDI_CUSTOM_ID, id,
8137                       GDI_CUSTOM_TYPE_ID, type_id,
8138                       GDI_INFO_TEXT, infotext,
8139                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8140                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8141                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8142                       GDI_AREA_SIZE, area_xsize, area_ysize,
8143                       GDI_TEXT_FONT, FONT_INPUT_1,
8144                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8145                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8146                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8147                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8148                       GDI_DESIGN_WIDTH, gd->width,
8149                       GDI_EVENT_MASK, event_mask,
8150                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8151                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8152                       GDI_END);
8153
8154     if (gi == NULL)
8155       Fail("cannot create gadget");
8156
8157     level_editor_gadget[id] = gi;
8158   }
8159 }
8160
8161 static void CreateSelectboxGadgets(void)
8162 {
8163   int max_infotext_len = getMaxInfoTextLength();
8164
8165   int i, j;
8166
8167   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8168   {
8169     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8170     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8171     int gd_x1 = gd->src_x;
8172     int gd_y1 = gd->src_y;
8173     int gd_x2 = gd->src_x + gd->active_xoffset;
8174     int gd_y2 = gd->src_y + gd->active_yoffset;
8175     int selectbox_button_xsize = gd2->width;
8176     struct GadgetInfo *gi;
8177     char infotext[MAX_OUTPUT_LINESIZE + 1];
8178     int id = selectbox_info[i].gadget_id;
8179     int type_id = selectbox_info[i].gadget_type_id;
8180     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8181     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8182     unsigned int event_mask =
8183       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8184
8185     if (type_id != i)
8186       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8187
8188     if (selectbox_info[i].size == -1)   // dynamically determine size
8189     {
8190       // (we cannot use -1 for uninitialized values if we directly compare
8191       // with results from strlen(), because the '<' and '>' operation will
8192       // implicitely cast -1 to an unsigned integer value!)
8193       selectbox_info[i].size = 0;
8194
8195       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8196         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8197           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8198
8199       selectbox_info[i].size++;         // add one character empty space
8200     }
8201
8202     // determine horizontal position to the right of specified gadget
8203     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8204       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8205            ED_GADGET_TEXT_DISTANCE);
8206
8207     // determine horizontal offset for leading text
8208     if (selectbox_info[i].text_left != NULL)
8209       x += getTextWidthForGadget(selectbox_info[i].text_left);
8210
8211     sprintf(infotext, "%s", selectbox_info[i].infotext);
8212     infotext[max_infotext_len] = '\0';
8213
8214     gi = CreateGadget(GDI_CUSTOM_ID, id,
8215                       GDI_CUSTOM_TYPE_ID, type_id,
8216                       GDI_INFO_TEXT, infotext,
8217                       GDI_X, x,
8218                       GDI_Y, y,
8219                       GDI_TYPE, GD_TYPE_SELECTBOX,
8220                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8221                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8222                       GDI_TEXT_SIZE, selectbox_info[i].size,
8223                       GDI_TEXT_FONT, FONT_INPUT_1,
8224                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8225                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8226                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8227                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8228                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8229                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8230                       GDI_DESIGN_WIDTH, gd->width,
8231                       GDI_EVENT_MASK, event_mask,
8232                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8233                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8234                       GDI_END);
8235
8236     if (gi == NULL)
8237       Fail("cannot create gadget");
8238
8239     level_editor_gadget[id] = gi;
8240     right_gadget_border[id] =
8241       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8242   }
8243 }
8244
8245 static void CreateTextbuttonGadgets(void)
8246 {
8247   int max_infotext_len = getMaxInfoTextLength();
8248   int i;
8249
8250   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8251   {
8252     int id = textbutton_info[i].gadget_id;
8253     int type_id = textbutton_info[i].gadget_type_id;
8254     int is_tab_button =
8255       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8256        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8257     int graphic =
8258       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8259     int gadget_distance =
8260       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8261     struct GraphicInfo *gd = &graphic_info[graphic];
8262     int gd_x1 = gd->src_x;
8263     int gd_y1 = gd->src_y;
8264     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8265     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8266     int gd_x1a = gd->src_x + gd->active_xoffset;
8267     int gd_y1a = gd->src_y + gd->active_yoffset;
8268     int border_xsize = gd->border_size + gd->draw_xoffset;
8269     int border_ysize = gd->border_size;
8270     struct GadgetInfo *gi;
8271     unsigned int event_mask = GD_EVENT_RELEASED;
8272     char infotext[MAX_OUTPUT_LINESIZE + 1];
8273     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8274     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8275
8276     if (type_id != i)
8277       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8278
8279     if (textbutton_info[i].size == -1)  // dynamically determine size
8280       textbutton_info[i].size = strlen(textbutton_info[i].text);
8281
8282     sprintf(infotext, "%s", textbutton_info[i].infotext);
8283     infotext[max_infotext_len] = '\0';
8284
8285     // determine horizontal position to the right of specified gadget
8286     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8287     {
8288       int gadget_id_align = textbutton_info[i].gadget_id_align;
8289
8290       x = right_gadget_border[gadget_id_align] + gadget_distance;
8291
8292       if (textbutton_info[i].y == -1)
8293         y = level_editor_gadget[gadget_id_align]->y;
8294     }
8295
8296     // determine horizontal offset for leading text
8297     if (textbutton_info[i].text_left != NULL)
8298       x += getTextWidthForGadget(textbutton_info[i].text_left);
8299
8300     gi = CreateGadget(GDI_CUSTOM_ID, id,
8301                       GDI_CUSTOM_TYPE_ID, type_id,
8302                       GDI_IMAGE_ID, graphic,
8303                       GDI_INFO_TEXT, infotext,
8304                       GDI_X, x,
8305                       GDI_Y, y,
8306                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8307                       GDI_TEXT_VALUE, textbutton_info[i].text,
8308                       GDI_TEXT_SIZE, textbutton_info[i].size,
8309                       GDI_TEXT_FONT, FONT_INPUT_2,
8310                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8311                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8312                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8313                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8314                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8315                       GDI_DESIGN_WIDTH, gd->width,
8316                       GDI_DECORATION_SHIFTING, 1, 1,
8317                       GDI_EVENT_MASK, event_mask,
8318                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8319                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8320                       GDI_END);
8321
8322     if (gi == NULL)
8323       Fail("cannot create gadget");
8324
8325     level_editor_gadget[id] = gi;
8326     right_gadget_border[id] =
8327       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8328   }
8329 }
8330
8331 static void CreateGraphicbuttonGadgets(void)
8332 {
8333   struct GadgetInfo *gi;
8334   int i;
8335
8336   // create buttons for scrolling of drawing area and element list
8337   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8338   {
8339     int id = graphicbutton_info[i].gadget_id;
8340     int type_id = graphicbutton_info[i].gadget_type_id;
8341     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8342     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8343     int graphic = graphicbutton_info[i].graphic;
8344     struct GraphicInfo *gd = &graphic_info[graphic];
8345     int gd_x1 = gd->src_x;
8346     int gd_y1 = gd->src_y;
8347     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8348     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8349     unsigned int event_mask = GD_EVENT_RELEASED;
8350
8351     if (type_id != i)
8352       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8353
8354     // determine horizontal position to the right of specified gadget
8355     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8356       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8357            ED_GADGET_TEXT_DISTANCE);
8358
8359     // determine horizontal offset for leading text
8360     if (graphicbutton_info[i].text_left != NULL)
8361       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8362
8363     gi = CreateGadget(GDI_CUSTOM_ID, id,
8364                       GDI_CUSTOM_TYPE_ID, type_id,
8365                       GDI_IMAGE_ID, graphic,
8366                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8367                       GDI_X, x,
8368                       GDI_Y, y,
8369                       GDI_WIDTH, gd->width,
8370                       GDI_HEIGHT, gd->height,
8371                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8372                       GDI_STATE, GD_BUTTON_UNPRESSED,
8373                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8374                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8375                       GDI_EVENT_MASK, event_mask,
8376                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8377                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8378                       GDI_END);
8379
8380     if (gi == NULL)
8381       Fail("cannot create gadget");
8382
8383     level_editor_gadget[id] = gi;
8384     right_gadget_border[id] =
8385       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8386   }
8387 }
8388
8389 static void CreateScrollbarGadgets(void)
8390 {
8391   int i;
8392
8393   // these values are not constant, but can change at runtime
8394   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8395     SX + ED_SCROLL_HORIZONTAL_XPOS;
8396   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8397     SY + ED_SCROLL_HORIZONTAL_YPOS;
8398   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8399     ED_SCROLL_HORIZONTAL_XSIZE;
8400   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8401     ED_SCROLL_HORIZONTAL_YSIZE;
8402   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8403   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8404   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8405   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8406
8407   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8408     SX + ED_SCROLL_VERTICAL_XPOS;
8409   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8410     SY + ED_SCROLL_VERTICAL_YPOS;
8411   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8412     ED_SCROLL_VERTICAL_XSIZE;
8413   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8414     ED_SCROLL_VERTICAL_YSIZE;
8415   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8416   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8417   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8418   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8419
8420   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8421     PX + ED_SCROLL2_VERTICAL_XPOS;
8422   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8423     PY + ED_SCROLL2_VERTICAL_YPOS;
8424   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8425     ED_SCROLL2_VERTICAL_XSIZE;
8426   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8427     ED_SCROLL2_VERTICAL_YSIZE;
8428   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8429   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8430   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8431   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8432
8433   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8434   {
8435     int id = scrollbar_info[i].gadget_id;
8436     int type_id = scrollbar_info[i].gadget_type_id;
8437     int graphic = scrollbar_info[i].graphic;
8438     struct GraphicInfo *gd = &graphic_info[graphic];
8439     int gd_x1 = gd->src_x;
8440     int gd_y1 = gd->src_y;
8441     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8442     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8443     struct GadgetInfo *gi;
8444     int items_max, items_visible, item_position;
8445     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8446
8447     if (type_id != i)
8448       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8449
8450     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8451     {
8452       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8453       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8454       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8455     }
8456     else        // drawing area scrollbars
8457     {
8458       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8459       {
8460         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8461         items_visible = ed_fieldx;
8462         item_position = 0;
8463       }
8464       else
8465       {
8466         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8467         items_visible = ed_fieldy;
8468         item_position = 0;
8469       }
8470     }
8471
8472     gi = CreateGadget(GDI_CUSTOM_ID, id,
8473                       GDI_CUSTOM_TYPE_ID, type_id,
8474                       GDI_IMAGE_ID, graphic,
8475                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8476                       GDI_X, scrollbar_pos[i].x,
8477                       GDI_Y, scrollbar_pos[i].y,
8478                       GDI_WIDTH, scrollbar_pos[i].width,
8479                       GDI_HEIGHT, scrollbar_pos[i].height,
8480                       GDI_TYPE, scrollbar_info[i].type,
8481                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8482                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8483                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8484                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8485                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8486                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8487                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8488                       GDI_STATE, GD_BUTTON_UNPRESSED,
8489                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8490                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8491                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8492                       GDI_EVENT_MASK, event_mask,
8493                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8494                       GDI_CALLBACK_ACTION, HandleControlButtons,
8495                       GDI_END);
8496
8497     if (gi == NULL)
8498       Fail("cannot create gadget");
8499
8500     level_editor_gadget[id] = gi;
8501   }
8502 }
8503
8504 static void CreateCheckbuttonGadgets(void)
8505 {
8506   struct GadgetInfo *gi;
8507   int i;
8508
8509   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8510   {
8511     int id = checkbutton_info[i].gadget_id;
8512     int type_id = checkbutton_info[i].gadget_type_id;
8513     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8514                    IMG_EDITOR_CHECKBOX);
8515     struct GraphicInfo *gd = &graphic_info[graphic];
8516     int gd_x1 = gd->src_x;
8517     int gd_y1 = gd->src_y;
8518     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8519     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8520     int gd_x1a = gd->src_x + gd->active_xoffset;
8521     int gd_y1a = gd->src_y + gd->active_yoffset;
8522     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8523     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8524     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8525     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8526     unsigned int event_mask = GD_EVENT_PRESSED;
8527
8528     if (type_id != i)
8529       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8530
8531     // determine horizontal position to the right of specified gadget
8532     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8533       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8534            ED_GADGET_TEXT_DISTANCE);
8535
8536     // determine horizontal offset for leading text
8537     if (checkbutton_info[i].text_left != NULL)
8538       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8539
8540     gi = CreateGadget(GDI_CUSTOM_ID, id,
8541                       GDI_CUSTOM_TYPE_ID, type_id,
8542                       GDI_IMAGE_ID, graphic,
8543                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8544                       GDI_X, x,
8545                       GDI_Y, y,
8546                       GDI_WIDTH, gd->width,
8547                       GDI_HEIGHT, gd->height,
8548                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8549                       GDI_CHECKED, *checkbutton_info[i].value,
8550                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8551                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8552                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8553                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8554                       GDI_EVENT_MASK, event_mask,
8555                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8556                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8557                       GDI_END);
8558
8559     if (gi == NULL)
8560       Fail("cannot create gadget");
8561
8562     level_editor_gadget[id] = gi;
8563     right_gadget_border[id] =
8564       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8565   }
8566 }
8567
8568 static void CreateRadiobuttonGadgets(void)
8569 {
8570   int graphic = IMG_EDITOR_RADIOBUTTON;
8571   struct GraphicInfo *gd = &graphic_info[graphic];
8572   int gd_x1 = gd->src_x;
8573   int gd_y1 = gd->src_y;
8574   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8575   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8576   int gd_x1a = gd->src_x + gd->active_xoffset;
8577   int gd_y1a = gd->src_y + gd->active_yoffset;
8578   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8579   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8580   struct GadgetInfo *gi;
8581   int i;
8582
8583   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8584   {
8585     int id = radiobutton_info[i].gadget_id;
8586     int type_id = radiobutton_info[i].gadget_type_id;
8587     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8588     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8589     unsigned int event_mask = GD_EVENT_PRESSED;
8590
8591     if (type_id != i)
8592       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8593
8594     int checked =
8595       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8596
8597     // determine horizontal position to the right of specified gadget
8598     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8599       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8600            ED_GADGET_TEXT_DISTANCE);
8601
8602     // determine horizontal offset for leading text
8603     if (radiobutton_info[i].text_left != NULL)
8604       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8605
8606     gi = CreateGadget(GDI_CUSTOM_ID, id,
8607                       GDI_CUSTOM_TYPE_ID, type_id,
8608                       GDI_IMAGE_ID, graphic,
8609                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8610                       GDI_X, x,
8611                       GDI_Y, y,
8612                       GDI_WIDTH, gd->width,
8613                       GDI_HEIGHT, gd->height,
8614                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8615                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8616                       GDI_CHECKED, checked,
8617                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8618                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8619                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8620                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8621                       GDI_EVENT_MASK, event_mask,
8622                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8623                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8624                       GDI_END);
8625
8626     if (gi == NULL)
8627       Fail("cannot create gadget");
8628
8629     level_editor_gadget[id] = gi;
8630     right_gadget_border[id] =
8631       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8632   }
8633 }
8634
8635 void CreateLevelEditorGadgets(void)
8636 {
8637   // force EDITOR font inside level editor
8638   SetFontStatus(GAME_MODE_EDITOR);
8639
8640   // these values are not constant, but can change at runtime
8641   ed_fieldx = MAX_ED_FIELDX - 1;
8642   ed_fieldy = MAX_ED_FIELDY - 1;
8643
8644   num_editor_gadgets = NUM_EDITOR_GADGETS;
8645
8646   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8647
8648   level_editor_gadget =
8649     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8650   right_gadget_border =
8651     checked_calloc(num_editor_gadgets * sizeof(int));
8652
8653   // set number of empty (padding) element buttons to maximum number of buttons
8654   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8655
8656   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8657   editor_el_empty_ptr = editor_el_empty;
8658
8659   use_permanent_palette = !editor.palette.show_as_separate_screen;
8660
8661   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8662
8663   ReinitializeElementList();
8664
8665   CreateControlButtons();
8666   CreateScrollbarGadgets();
8667
8668   // order of function calls is important because of cross-references
8669   CreateCheckbuttonGadgets();
8670   CreateCounterButtons();
8671   CreateRadiobuttonGadgets();
8672   CreateTextInputGadgets();
8673   CreateTextAreaGadgets();
8674   CreateSelectboxGadgets();
8675   CreateGraphicbuttonGadgets();
8676   CreateTextbuttonGadgets();
8677   CreateDrawingAreas();
8678
8679   ResetFontStatus();
8680 }
8681
8682 void FreeLevelEditorGadgets(void)
8683 {
8684   int i;
8685
8686   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8687
8688   for (i = 0; i < num_editor_gadgets; i++)
8689   {
8690     FreeGadget(level_editor_gadget[i]);
8691
8692     level_editor_gadget[i] = NULL;
8693   }
8694
8695   checked_free(level_editor_gadget);
8696   checked_free(right_gadget_border);
8697
8698   checked_free(editor_el_empty);
8699 }
8700
8701 static void MapCounterButtons(int id)
8702 {
8703   int font_nr = FONT_TEXT_1;
8704   int font_height = getFontHeight(font_nr);
8705   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8706   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8707   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8708   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8709   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8710   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8711   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8712   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8713   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8714   int yoffset = (gi_down->height - font_height) / 2;
8715   int x_left = gi_down->x - xoffset_left;
8716   int x_right;  // set after gadget position was modified
8717   int y_above = gi_down->y - yoffset_above;
8718   int x = gi_down->x;
8719   int y;        // set after gadget position was modified
8720
8721   // counter limits must be changed first to prevent value truncation
8722   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8723                             counterbutton_info[id].max_value);
8724
8725   // right text position might have changed after setting position above
8726   x_right = gi_up->x + gi_up->width + xoffset_right;
8727
8728   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8729
8730   // set position for counter gadgets with dynamically determined position
8731   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8732   {
8733     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8734     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8735     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8736   }
8737
8738   // vertical position might have changed after setting position above
8739   y = gi_up->y + yoffset;
8740
8741   if (counterbutton_info[id].text_above)
8742     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8743
8744   if (counterbutton_info[id].text_left)
8745     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8746
8747   if (counterbutton_info[id].text_right)
8748     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8749
8750   MapGadget(gi_down);
8751   MapGadget(gi_text);
8752   MapGadget(gi_up);
8753 }
8754
8755 static void MapControlButtons(void)
8756 {
8757   int counter_id;
8758   int i;
8759
8760   // map toolbox buttons (excluding special CE toolbox buttons)
8761   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8762     MapGadget(level_editor_gadget[i]);
8763
8764   // map toolbox buttons (element properties buttons)
8765   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8766     MapGadget(level_editor_gadget[i]);
8767
8768   if (use_permanent_palette)
8769   {
8770     // map buttons to select elements
8771     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8772       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8773     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8774     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8775     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8776   }
8777
8778   // map buttons to select level
8779   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8780   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8781   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8782   MapCounterButtons(counter_id);
8783 }
8784
8785 static void MapDrawingArea(int id)
8786 {
8787   int font_nr = FONT_TEXT_1;
8788   int font_height = getFontHeight(font_nr);
8789   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8790   int area_xsize = gi->drawing.area_xsize;
8791   int area_ysize = gi->drawing.area_ysize;
8792   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8793   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8794   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8795   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8796   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8797   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8798   int y_side  = gi->y + (gi->height - font_height) / 2;
8799   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8800   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8801
8802   if (drawingarea_info[id].text_left)
8803     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8804
8805   if (drawingarea_info[id].text_right)
8806     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8807
8808   if (drawingarea_info[id].text_above)
8809     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8810
8811   if (drawingarea_info[id].text_below)
8812     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8813
8814   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8815   {
8816     DrawElementBorder(gi->x, gi->y,
8817                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8818                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8819
8820     DrawDrawingArea(id);
8821   }
8822
8823   MapGadget(gi);
8824 }
8825
8826 static void MapTextInputGadget(int id)
8827 {
8828   int font_nr = FONT_TEXT_1;
8829   int font_height = getFontHeight(font_nr);
8830   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8831   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8832   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8833   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8834
8835   if (textinput_info[id].text_above)
8836     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8837
8838   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8839
8840   MapGadget(gi);
8841 }
8842
8843 static void MapTextAreaGadget(int id)
8844 {
8845   int font_nr = FONT_TEXT_1;
8846   int font_height = getFontHeight(font_nr);
8847   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8848   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8849   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8850   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8851   char *text_above = textarea_info[id].text_above;
8852
8853   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8854     text_above = textarea_info[id].text_above_cropped;
8855
8856   if (text_above)
8857     DrawTextS(x_above, y_above, font_nr, text_above);
8858
8859   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8860
8861   MapGadget(gi);
8862 }
8863
8864 static void MapSelectboxGadget(int id)
8865 {
8866   int font_nr = FONT_TEXT_1;
8867   int font_height = getFontHeight(font_nr);
8868   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8869   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8870   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8871   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8872   int yoffset = (gi->height - font_height) / 2;
8873   int x_left = gi->x - xoffset_left;
8874   int x_right = gi->x + gi->width + xoffset_right;
8875   int y_above = gi->y - yoffset_above;
8876   int x = gi->x;
8877   int y = gi->y + yoffset;
8878
8879   if (selectbox_info[id].text_above)
8880     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8881
8882   if (selectbox_info[id].text_left)
8883     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8884
8885   if (selectbox_info[id].text_right)
8886     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8887
8888   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8889
8890   MapGadget(gi);
8891 }
8892
8893 static void MapTextbuttonGadget(int id)
8894 {
8895   int font_nr = FONT_TEXT_1;
8896   int font_height = getFontHeight(font_nr);
8897   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8898   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8899   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8900   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8901   int yoffset = (gi->height - font_height) / 2;
8902   int x_left = gi->x - xoffset_left;
8903   int x_right = gi->x + gi->width + xoffset_right;
8904   int y_above = gi->y - yoffset_above;
8905   int x = gi->x;
8906   int y = gi->y + yoffset;
8907
8908   // only show button to delete change pages when more than minimum pages
8909   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8910       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8911     return;
8912
8913   if (textbutton_info[id].text_above)
8914     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8915
8916   if (textbutton_info[id].text_left)
8917     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8918
8919   if (textbutton_info[id].text_right)
8920     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8921
8922   MapGadget(gi);
8923 }
8924
8925 static void MapGraphicbuttonGadget(int id)
8926 {
8927   int font_nr = FONT_TEXT_1;
8928   int font_height = getFontHeight(font_nr);
8929   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8930   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8931   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8932   int yoffset = (gi->height - font_height) / 2;
8933   int x_left = gi->x - xoffset_left;
8934   int x_right = gi->x + gi->width + xoffset_right;
8935   int y = gi->y + yoffset;
8936
8937   if (graphicbutton_info[id].text_left)
8938     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8939
8940   if (graphicbutton_info[id].text_right)
8941     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8942
8943   MapGadget(gi);
8944 }
8945
8946 static void MapRadiobuttonGadget(int id)
8947 {
8948   int font_nr = FONT_TEXT_1;
8949   int font_height = getFontHeight(font_nr);
8950   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8951   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8952   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8953   int yoffset = (gi->height - font_height) / 2;
8954   int x_left = gi->x - xoffset_left;
8955   int x_right = gi->x + gi->width + xoffset_right;
8956   int y = gi->y + yoffset;
8957   boolean checked =
8958     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8959
8960   if (radiobutton_info[id].text_left)
8961     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8962
8963   if (radiobutton_info[id].text_right)
8964     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8965
8966   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8967
8968   MapGadget(gi);
8969 }
8970
8971 static void MapCheckbuttonGadget(int id)
8972 {
8973   int font_nr = FONT_TEXT_1;
8974   int font_height = getFontHeight(font_nr);
8975   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8976   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8977   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8978   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8979   int yoffset = (gi->height - font_height) / 2;
8980   int y_above = gi->y - yoffset_above;
8981   int x = gi->x;
8982   int x_left, x_right, y;       // set after gadget position was modified
8983
8984   // set position for gadgets with dynamically determined position
8985   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8986     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8987   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8988
8989   x_left = gi->x - xoffset_left;
8990   x_right = gi->x + gi->width + xoffset_right;
8991   y = gi->y + yoffset;
8992
8993   if (checkbutton_info[id].text_above)
8994     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8995
8996   if (checkbutton_info[id].text_left)
8997     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8998
8999   if (checkbutton_info[id].text_right)
9000     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9001
9002   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9003
9004   MapGadget(gi);
9005 }
9006
9007 static void MapMainDrawingArea(void)
9008 {
9009   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9010   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9011   int i;
9012
9013   if (suppressBorderElement())
9014   {
9015     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9016     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9017   }
9018
9019   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9020   {
9021     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9022           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9023          no_horizontal_scrollbar) ||
9024         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9025           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9026          no_vertical_scrollbar))
9027       continue;
9028
9029     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9030   }
9031
9032   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9033   {
9034     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9035         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9036       continue;
9037
9038     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9039   }
9040
9041   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9042 }
9043
9044 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9045 {
9046   int i;
9047
9048   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9049   {
9050     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9051         i == GADGET_ID_CUSTOM_COPY_TO ||
9052         i == GADGET_ID_CUSTOM_EXCHANGE ||
9053         i == GADGET_ID_CUSTOM_COPY ||
9054         i == GADGET_ID_CUSTOM_PASTE)
9055     {
9056       if (map)
9057         MapGadget(level_editor_gadget[i]);
9058       else
9059         UnmapGadget(level_editor_gadget[i]);
9060     }
9061   }
9062 }
9063
9064 static void MapLevelEditorToolboxCustomGadgets(void)
9065 {
9066   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9067 }
9068
9069 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9070 {
9071   if (IS_CUSTOM_ELEMENT(properties_element) ||
9072       IS_GROUP_ELEMENT(properties_element) ||
9073       IS_EMPTY_ELEMENT(properties_element))
9074     MapLevelEditorToolboxCustomGadgets();
9075 }
9076
9077 static void UnmapLevelEditorToolboxCustomGadgets(void)
9078 {
9079   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9080 }
9081
9082 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9083 {
9084   int i;
9085
9086   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9087   {
9088     if (i != GADGET_ID_SINGLE_ITEMS &&
9089         i != GADGET_ID_PICK_ELEMENT)
9090     {
9091       struct GadgetInfo *gi = level_editor_gadget[i];
9092
9093       if (map)
9094       {
9095         MapGadget(gi);
9096       }
9097       else
9098       {
9099         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9100         struct GraphicInfo *gd = &graphic_info[graphic];
9101
9102         UnmapGadget(gi);
9103
9104         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9105                    gi->width, gi->height, gi->x, gi->y);
9106
9107         redraw_mask |= REDRAW_DOOR_3;
9108       }
9109     }
9110   }
9111 }
9112
9113 static void MapLevelEditorToolboxDrawingGadgets(void)
9114 {
9115   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9116 }
9117
9118 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9119 {
9120   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9121 }
9122
9123 static void UnmapDrawingArea(int id)
9124 {
9125   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9126 }
9127
9128 static void UnmapLevelEditorFieldGadgets(void)
9129 {
9130   int i;
9131
9132   for (i = 0; i < num_editor_gadgets; i++)
9133     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9134                           level_editor_gadget[i]->y))
9135       UnmapGadget(level_editor_gadget[i]);
9136 }
9137
9138 void UnmapLevelEditorGadgets(void)
9139 {
9140   int i;
9141
9142   for (i = 0; i < num_editor_gadgets; i++)
9143     UnmapGadget(level_editor_gadget[i]);
9144 }
9145
9146 static void ResetUndoBuffer(void)
9147 {
9148   undo_buffer_position = -1;
9149   undo_buffer_steps = -1;
9150   redo_buffer_steps = 0;
9151
9152   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9153
9154   level.changed = FALSE;
9155 }
9156
9157 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9158 {
9159   if (remap_toolbox_gadgets)
9160   {
9161     ModifyEditorElementList();
9162     RedrawDrawingElements();
9163   }
9164
9165   if (edit_mode == ED_MODE_LEVELCONFIG)
9166     DrawLevelConfigWindow();
9167   else if (edit_mode == ED_MODE_PROPERTIES)
9168     DrawPropertiesWindow();
9169   else if (edit_mode == ED_MODE_PALETTE)
9170     DrawPaletteWindow();
9171   else  // edit_mode == ED_MODE_DRAWING
9172     DrawDrawingWindowExt(remap_toolbox_gadgets);
9173 }
9174
9175 static void DrawEditModeWindow(void)
9176 {
9177   DrawEditModeWindowExt(TRUE);
9178 }
9179
9180 static void DrawEditModeWindow_PlayfieldOnly(void)
9181 {
9182   DrawEditModeWindowExt(FALSE);
9183 }
9184
9185 static void ChangeEditModeWindow(int new_edit_mode)
9186 {
9187   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9188
9189   DrawEditModeWindow();
9190 }
9191
9192 static boolean LevelChanged(void)
9193 {
9194   boolean field_changed = FALSE;
9195   int x, y;
9196
9197   for (y = 0; y < lev_fieldy; y++)
9198     for (x = 0; x < lev_fieldx; x++)
9199       if (Tile[x][y] != level.field[x][y])
9200         field_changed = TRUE;
9201
9202   return (level.changed || field_changed);
9203 }
9204
9205 static boolean PrepareSavingIntoPersonalLevelSet(void)
9206 {
9207   static LevelDirTree *last_copied_leveldir = NULL;
9208   static LevelDirTree *last_written_leveldir = NULL;
9209   static int last_copied_level_nr = -1;
9210   static int last_written_level_nr = -1;
9211   LevelDirTree *leveldir_former = leveldir_current;
9212   int level_nr_former = level_nr;
9213   int new_level_nr;
9214
9215   // remember last mod/save so that for current session, we write
9216   // back to the same personal copy, asking only about overwrite.
9217   if (leveldir_current == last_copied_leveldir &&
9218       level_nr == last_copied_level_nr)
9219   {
9220     // "cd" to personal level set dir (as used when writing last copy)
9221     leveldir_current = last_written_leveldir;
9222     level_nr = last_written_level_nr;
9223
9224     return TRUE;
9225   }
9226
9227   if (!Request("This level is read-only! "
9228                "Save into personal level set?", REQ_ASK))
9229     return FALSE;
9230
9231   // "cd" to personal level set dir (for writing copy the first time)
9232   leveldir_current =
9233     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9234
9235   // this may happen if "setup.internal.create_user_levelset" is FALSE
9236   // or if file "levelinfo.conf" is missing in personal user level set
9237   if (leveldir_current == NULL)
9238   {
9239     Request("Cannot find personal level set?!", REQ_CONFIRM);
9240
9241     leveldir_current = leveldir_former;
9242
9243     return FALSE;
9244   }
9245
9246   // find unused level number
9247   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9248   {
9249     static char *level_filename = NULL;
9250
9251     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9252
9253     if (!fileExists(level_filename))
9254       break;
9255   }
9256
9257   last_copied_leveldir = leveldir_former;
9258   last_copied_level_nr = level_nr_former;
9259
9260   last_written_leveldir = leveldir_current;
9261   last_written_level_nr = level_nr = new_level_nr;
9262
9263   return TRUE;
9264 }
9265
9266 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9267 {
9268   static char *filename_levelinfo = NULL, *mod_name = NULL;
9269   FILE *file;
9270
9271   // annotate this copy-and-mod in personal levelinfo.conf
9272   setString(&filename_levelinfo,
9273             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9274
9275   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9276   {
9277     fprintf(file, "\n");
9278     fprintf(file, "# level %d was modified from:\n", level_nr);
9279     fprintf(file, "# - previous level set name:    %s\n",
9280             former_name);
9281     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9282             level.file_info.nr, level.name);
9283     fprintf(file, "# - previous author:            %s\n",
9284             level.author);
9285     fprintf(file, "# - previous save date:         ");
9286
9287     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9288     {
9289       fprintf(file, "%04d-%02d-%02d\n",
9290               level.creation_date.year,
9291               level.creation_date.month,
9292               level.creation_date.day);
9293     }
9294     else
9295     {
9296       fprintf(file, "not recorded\n");
9297     }
9298
9299     fclose(file);
9300   }
9301
9302   if (level_nr > leveldir_current->last_level)
9303     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9304
9305   // else: allow the save even if annotation failed
9306
9307   // now... spray graffiti on the old level vital statistics
9308   // user can change these; just trying to set a good baseline
9309
9310   // don't truncate names for fear of making offensive or silly:
9311   // long-named original author only recorded in levelinfo.conf.
9312   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9313   if (!strEqual(level.author, leveldir_current->author))
9314   {
9315     setString(&mod_name, getStringCat3(leveldir_current->author,
9316                                        " after ", level.author));
9317
9318     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9319       setString(&mod_name,
9320                 getStringCat2(leveldir_current->author, " (ed.)"));
9321
9322     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9323       setString(&mod_name, leveldir_current->author);
9324
9325     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9326
9327     // less worried about truncation here
9328     setString(&mod_name, getStringCat2("Mod: ", level.name));
9329     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9330   }
9331 }
9332
9333 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9334                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9335 {
9336   int x, y;
9337
9338   for (x = 0; x < lev_fieldx; x++)
9339     for (y = 0; y < lev_fieldy; y++)
9340       dst[x][y] = src[x][y];
9341 }
9342
9343 static int setSelectboxValue(int selectbox_id, int new_value)
9344 {
9345   int new_index_value = 0;
9346   int i;
9347
9348   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9349     if (selectbox_info[selectbox_id].options[i].value == new_value)
9350       new_index_value = i;
9351
9352   *selectbox_info[selectbox_id].value =
9353     selectbox_info[selectbox_id].options[new_index_value].value;
9354
9355   return new_index_value;
9356 }
9357
9358 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9359 {
9360   int i;
9361
9362   // change action mode and arg variables according to action type variable
9363   for (i = 0; action_arg_options[i].value != -1; i++)
9364   {
9365     if (action_arg_options[i].value == custom_element_change.action_type)
9366     {
9367       int mode = action_arg_options[i].mode;
9368
9369       // only change if corresponding selectbox has changed
9370       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9371           action_arg_modes[mode])
9372         custom_element_change.action_mode = -1;
9373
9374       // only change if corresponding selectbox has changed
9375       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9376           action_arg_options[i].options)
9377         custom_element_change.action_arg = -1;
9378
9379       break;
9380     }
9381   }
9382 }
9383
9384 static void setSelectboxSpecialActionOptions(void)
9385 {
9386   int i;
9387
9388   // change action mode and arg selectbox according to action type selectbox
9389   for (i = 0; action_arg_options[i].value != -1; i++)
9390   {
9391     if (action_arg_options[i].value == custom_element_change.action_type)
9392     {
9393       int mode = action_arg_options[i].mode;
9394
9395       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9396                                    action_arg_modes[mode]);
9397       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9398                                  custom_element_change.action_mode);
9399
9400       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9401                                    action_arg_options[i].options);
9402       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9403                                  custom_element_change.action_arg);
9404       break;
9405     }
9406   }
9407 }
9408
9409 static void copy_custom_element_settings(int element_from, int element_to)
9410 {
9411   struct ElementInfo *ei_from = &element_info[element_from];
9412   struct ElementInfo *ei_to = &element_info[element_to];
9413
9414   copyElementInfo(ei_from, ei_to);
9415 }
9416
9417 static void replace_custom_element_in_settings(int element_from,
9418                                                int element_to)
9419 {
9420   int i, j, x, y;
9421
9422   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9423   {
9424     struct ElementInfo *ei = &element_info[i];
9425
9426     for (y = 0; y < 3; y++)
9427       for (x = 0; x < 3; x++)
9428         if (ei->content.e[x][y] == element_from)
9429           ei->content.e[x][y] = element_to;
9430
9431     for (j = 0; j < ei->num_change_pages; j++)
9432     {
9433       struct ElementChangeInfo *change = &ei->change_page[j];
9434
9435       if (change->target_element == element_from)
9436         change->target_element = element_to;
9437
9438       if (change->initial_trigger_element == element_from)
9439         change->initial_trigger_element = element_to;
9440
9441       if (change->action_element == element_from)
9442         change->action_element = element_to;
9443
9444       for (y = 0; y < 3; y++)
9445         for (x = 0; x < 3; x++)
9446           if (change->target_content.e[x][y] == element_from)
9447             change->target_content.e[x][y] = element_to;
9448     }
9449
9450     if (ei->group != NULL)                              // group or internal
9451       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9452         if (ei->group->element[j] == element_from)
9453           ei->group->element[j] = element_to;
9454   }
9455 }
9456
9457 static void replace_custom_element_in_playfield(int element_from,
9458                                                 int element_to)
9459 {
9460   int x, y;
9461
9462   for (x = 0; x < lev_fieldx; x++)
9463     for (y = 0; y < lev_fieldy; y++)
9464       if (Tile[x][y] == element_from)
9465         Tile[x][y] = element_to;
9466 }
9467
9468 static boolean CopyCustomElement(int element_old, int element_new,
9469                                  int copy_mode)
9470 {
9471   int copy_mode_orig = copy_mode;
9472
9473   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9474   {
9475     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9476                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9477     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9478   }
9479   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9480   {
9481     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9482                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9483     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9484
9485     level.changed = TRUE;
9486   }
9487   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9488   {
9489     Request("Please choose custom element!", REQ_CONFIRM);
9490
9491     return FALSE;
9492   }
9493   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9494   {
9495     Request("Please choose group element!", REQ_CONFIRM);
9496
9497     return FALSE;
9498   }
9499   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9500   {
9501     Request("Please choose empty element!", REQ_CONFIRM);
9502
9503     return FALSE;
9504   }
9505   else
9506   {
9507     level.changed = TRUE;
9508   }
9509
9510   // when modifying custom/group element, ask for copying level template
9511   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9512   {
9513     if (!AskToCopyAndModifyLevelTemplate())
9514       return FALSE;
9515   }
9516
9517   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9518   {
9519     copy_custom_element_settings(element_new, element_old);
9520   }
9521   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9522   {
9523     copy_custom_element_settings(element_old, element_new);
9524   }
9525   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9526   {
9527     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9528     copy_custom_element_settings(element_new, element_old);
9529     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9530
9531     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9532     replace_custom_element_in_settings(element_new, element_old);
9533     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9534
9535     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9536     replace_custom_element_in_playfield(element_new, element_old);
9537     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9538   }
9539
9540   UpdateCustomElementGraphicGadgets();
9541   DrawPropertiesWindow();
9542
9543   return TRUE;
9544 }
9545
9546 static void CopyCustomElementPropertiesToEditor(int element)
9547 {
9548   int i;
9549   int current_change_page = element_info[element].current_change_page;
9550
9551   // dynamically (re)build selectbox for selecting change page
9552   for (i = 0; i < element_info[element].num_change_pages; i++)
9553   {
9554     sprintf(options_change_page_strings[i], "%d", i + 1);
9555
9556     options_change_page[i].value = i;
9557     options_change_page[i].text = options_change_page_strings[i];
9558   }
9559
9560   options_change_page[i].value = -1;
9561   options_change_page[i].text = NULL;
9562
9563   // needed here to initialize combined element properties
9564   InitElementPropertiesEngine(level.game_version);
9565
9566   element_info[element].change =
9567     &element_info[element].change_page[current_change_page];
9568
9569   custom_element = element_info[element];
9570   custom_element_change = *element_info[element].change;
9571
9572   // needed to initially set selectbox options for special action options
9573   setSelectboxSpecialActionOptions();
9574
9575   // needed to initially set selectbox value variables to reliable defaults
9576   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9577     setSelectboxValue(i, *selectbox_info[i].value);
9578
9579   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9580     custom_element_properties[i] = HAS_PROPERTY(element, i);
9581
9582   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9583     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9584
9585   // ---------- element settings: configure (custom elements) -----------------
9586
9587   // set accessible layer selectbox help value
9588   custom_element.access_type =
9589     (IS_WALKABLE(element) ? EP_WALKABLE :
9590      IS_PASSABLE(element) ? EP_PASSABLE :
9591      custom_element.access_type);
9592   custom_element.access_layer =
9593     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9594      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9595      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9596      custom_element.access_layer);
9597   custom_element.access_protected =
9598     (IS_PROTECTED(element) ? 1 : 0);
9599   custom_element_properties[EP_ACCESSIBLE] =
9600     (IS_ACCESSIBLE_OVER(element) ||
9601      IS_ACCESSIBLE_INSIDE(element) ||
9602      IS_ACCESSIBLE_UNDER(element));
9603
9604   // set walk-to-object action selectbox help value
9605   custom_element.walk_to_action =
9606     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9607      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9608      IS_DROPPABLE(element) ? EP_DROPPABLE :
9609      IS_THROWABLE(element) ? EP_THROWABLE :
9610      IS_PUSHABLE(element) ? EP_PUSHABLE :
9611      custom_element.walk_to_action);
9612   custom_element_properties[EP_WALK_TO_OBJECT] =
9613     (IS_DIGGABLE(element) ||
9614      IS_COLLECTIBLE_ONLY(element) ||
9615      IS_DROPPABLE(element) ||
9616      IS_THROWABLE(element) ||
9617      IS_PUSHABLE(element));
9618
9619   // set smash targets selectbox help value
9620   custom_element.smash_targets =
9621     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9622      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9623      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9624      custom_element.smash_targets);
9625   custom_element_properties[EP_CAN_SMASH] =
9626     (CAN_SMASH_EVERYTHING(element) ||
9627      CAN_SMASH_ENEMIES(element) ||
9628      CAN_SMASH_PLAYER(element));
9629
9630   // set deadliness selectbox help value
9631   custom_element.deadliness =
9632     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9633      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9634      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9635      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9636      custom_element.deadliness);
9637   custom_element_properties[EP_DEADLY] =
9638     (DONT_TOUCH(element) ||
9639      DONT_GET_HIT_BY(element) ||
9640      DONT_COLLIDE_WITH(element) ||
9641      DONT_RUN_INTO(element));
9642
9643   // ---------- element settings: advanced (custom elements) ------------------
9644
9645   // set "change by direct action" selectbox help value
9646   custom_element_change.direct_action =
9647     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9648      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9649      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9650      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9651      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9652      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9653      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9654      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9655      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9656      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9657      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9658      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9659      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9660      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9661      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9662      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9663      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9664      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9665      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9666      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9667      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9668      custom_element_change.direct_action);
9669
9670   // set "change by other element action" selectbox help value
9671   custom_element_change.other_action =
9672     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9673      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9674      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9675      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9676      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9677      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9678      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9679      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9680      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9681      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9682      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9683      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9684      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9685      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9686      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9687      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9688      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9689      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9690      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9691      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9692      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9693      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9694      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9695      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9696      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9697      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9698      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9699      custom_element_change.other_action);
9700 }
9701
9702 static void CopyGroupElementPropertiesToEditor(int element)
9703 {
9704   group_element_info = *element_info[element].group;
9705   custom_element = element_info[element];       // needed for description
9706 }
9707
9708 static void CopyEmptyElementPropertiesToEditor(int element)
9709 {
9710   custom_element = element_info[element];
9711 }
9712
9713 static void CopyClassicElementPropertiesToEditor(int element)
9714 {
9715   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9716     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9717       getMoveIntoAcidProperty(&level, element);
9718
9719   if (MAYBE_DONT_COLLIDE_WITH(element))
9720     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9721       getDontCollideWithProperty(&level, element);
9722 }
9723
9724 static void CopyElementPropertiesToEditor(int element)
9725 {
9726   if (IS_CUSTOM_ELEMENT(element))
9727     CopyCustomElementPropertiesToEditor(element);
9728   else if (IS_GROUP_ELEMENT(element))
9729     CopyGroupElementPropertiesToEditor(element);
9730   else if (IS_EMPTY_ELEMENT(element))
9731     CopyEmptyElementPropertiesToEditor(element);
9732   else
9733     CopyClassicElementPropertiesToEditor(element);
9734 }
9735
9736 static boolean AskToCopyAndModifyLevelTemplate(void)
9737 {
9738   if (Request("Copy and modify settings from level template?", REQ_ASK))
9739   {
9740     level.use_custom_template = FALSE;
9741
9742     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9743                  GDI_CHECKED, FALSE, GDI_END);
9744     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9745                  GDI_CHECKED, FALSE, GDI_END);
9746
9747     return TRUE;
9748   }
9749   else
9750   {
9751     LoadLevelTemplate(-1);      // this resets all element modifications ...
9752
9753     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9754
9755     return FALSE;
9756   }
9757 }
9758
9759 static void CopyCustomElementPropertiesToGame(int element)
9760 {
9761   int i;
9762   int access_type_and_layer;
9763
9764   // mark that this custom element has been modified
9765   custom_element.modified_settings = TRUE;
9766   level.changed = TRUE;
9767
9768   if (level.use_custom_template)
9769     AskToCopyAndModifyLevelTemplate();
9770
9771   element_info[element] = custom_element;
9772   *element_info[element].change = custom_element_change;
9773
9774   // ---------- element settings: configure (custom elements) -----------------
9775
9776   // set accessible property from checkbox and selectbox
9777   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9778   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9779   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9780   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9781   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9782   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9783   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9784                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9785                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9786   custom_element_properties[access_type_and_layer] =
9787     custom_element_properties[EP_ACCESSIBLE];
9788   custom_element_properties[EP_PROTECTED] =
9789     (custom_element.access_protected != 0 &&
9790      custom_element_properties[EP_ACCESSIBLE]);
9791
9792   // set walk-to-object property from checkbox and selectbox
9793   custom_element_properties[EP_DIGGABLE] = FALSE;
9794   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9795   custom_element_properties[EP_DROPPABLE] = FALSE;
9796   custom_element_properties[EP_THROWABLE] = FALSE;
9797   custom_element_properties[EP_PUSHABLE] = FALSE;
9798   custom_element_properties[custom_element.walk_to_action] =
9799     custom_element_properties[EP_WALK_TO_OBJECT];
9800
9801   // set smash property from checkbox and selectbox
9802   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9803   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9804   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9805   custom_element_properties[custom_element.smash_targets] =
9806     custom_element_properties[EP_CAN_SMASH];
9807
9808   // set deadliness property from checkbox and selectbox
9809   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9810   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9811   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9812   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9813   custom_element_properties[custom_element.deadliness] =
9814     custom_element_properties[EP_DEADLY];
9815
9816   // ---------- element settings: advanced (custom elements) ------------------
9817
9818   // set player change event from checkbox and selectbox
9819   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9820   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9821   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9822   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9823   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9824   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9825   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9826   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9827   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9828   custom_element_change_events[CE_SWITCHED] = FALSE;
9829   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9830   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9831   custom_element_change_events[CE_BLOCKED] = FALSE;
9832   custom_element_change_events[CE_IMPACT] = FALSE;
9833   custom_element_change_events[CE_SMASHED] = FALSE;
9834   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9835   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9836   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9837   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9838   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9839   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9840   custom_element_change_events[custom_element_change.direct_action] =
9841     custom_element_change_events[CE_BY_DIRECT_ACTION];
9842
9843   // set other element action change event from checkbox and selectbox
9844   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9845   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9846   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9847   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9848   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9849   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9850   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9851   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9852   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9853   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9854   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9855   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9856   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9857   custom_element_change_events[CE_HITTING_X] = FALSE;
9858   custom_element_change_events[CE_DIGGING_X] = FALSE;
9859   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9860   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9861   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9862   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9863   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9864   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9865   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9866   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9867   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9868   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9869   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9870   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9871   custom_element_change_events[custom_element_change.other_action] =
9872     custom_element_change_events[CE_BY_OTHER_ACTION];
9873
9874   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9875     SET_PROPERTY(element, i, custom_element_properties[i]);
9876
9877   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9878     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9879
9880   // copy change events also to special level editor variable
9881   custom_element = element_info[element];
9882   custom_element_change = *element_info[element].change;
9883
9884   // needed here to restore runtime value "element_info[element].gfx_element"
9885   InitElementPropertiesGfxElement();
9886 }
9887
9888 static void CopyGroupElementPropertiesToGame(int element)
9889 {
9890   // mark that this group element has been modified
9891   custom_element.modified_settings = TRUE;
9892   level.changed = TRUE;
9893
9894   if (level.use_custom_template)
9895     AskToCopyAndModifyLevelTemplate();
9896
9897   element_info[element] = custom_element;
9898   *element_info[element].group = group_element_info;
9899
9900   // needed here to restore runtime value "element_info[element].gfx_element"
9901   InitElementPropertiesGfxElement();
9902 }
9903
9904 static void CopyEmptyElementPropertiesToGame(int element)
9905 {
9906   // mark that this empty element has been modified
9907   custom_element.modified_settings = TRUE;
9908   level.changed = TRUE;
9909
9910   if (level.use_custom_template)
9911     AskToCopyAndModifyLevelTemplate();
9912
9913   element_info[element] = custom_element;
9914
9915   // needed here to restore runtime value "element_info[element].gfx_element"
9916   InitElementPropertiesGfxElement();
9917 }
9918
9919 static void CopyClassicElementPropertiesToGame(int element)
9920 {
9921   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9922     setMoveIntoAcidProperty(&level, element,
9923                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9924
9925   if (MAYBE_DONT_COLLIDE_WITH(element))
9926     setDontCollideWithProperty(&level, element,
9927                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9928 }
9929
9930 static void CopyElementPropertiesToGame(int element)
9931 {
9932   if (IS_CUSTOM_ELEMENT(element))
9933     CopyCustomElementPropertiesToGame(element);
9934   else if (IS_GROUP_ELEMENT(element))
9935     CopyGroupElementPropertiesToGame(element);
9936   else if (IS_EMPTY_ELEMENT(element))
9937     CopyEmptyElementPropertiesToGame(element);
9938   else
9939     CopyClassicElementPropertiesToGame(element);
9940 }
9941
9942 #if DEBUG
9943 static void CheckElementDescriptions(void)
9944 {
9945   int i;
9946
9947   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9948     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9949       Warn("no element description file for element '%s'", EL_NAME(i));
9950 }
9951 #endif
9952
9953 static int getMaxEdFieldX(boolean has_scrollbar)
9954 {
9955   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9956   int sxsize = SXSIZE - scrollbar_width;
9957   int max_ed_fieldx = sxsize / ed_tilesize;
9958
9959   return max_ed_fieldx;
9960 }
9961
9962 static int getMaxEdFieldY(boolean has_scrollbar)
9963 {
9964   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9965                          INFOTEXT_YSIZE_FULL : 0);
9966   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9967   int sysize = SYSIZE - scrollbar_height - infotext_height;
9968   int max_ed_fieldy = sysize / ed_tilesize;
9969
9970   return max_ed_fieldy;
9971 }
9972
9973 static void InitZoomLevelSettings(int zoom_tilesize)
9974 {
9975   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9976
9977   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9978   {
9979     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9980     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9981
9982     // make sure that tile size is always a power of 2
9983     ed_tilesize = (1 << log_2(ed_tilesize));
9984
9985     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9986     {
9987       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9988       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9989     }
9990   }
9991
9992   last_game_engine_type = level.game_engine_type;
9993
9994   // limit zoom tilesize by upper and lower bound
9995   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9996
9997   // store zoom tilesize in auto setup file only if it was manually changed
9998   if (zoom_tilesize != -1)
9999     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10000
10001   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10002   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10003 }
10004
10005 static void InitDrawingElements(void)
10006 {
10007   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10008
10009   if (level.game_engine_type == game_engine_type_last)
10010     return;
10011
10012   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10013   {
10014     new_element1 = EL_BD_WALL;
10015     new_element2 = EL_EMPTY;
10016     new_element3 = EL_BD_SAND;
10017   }
10018   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10019   {
10020     new_element1 = EL_SP_CHIP_SINGLE;
10021     new_element2 = EL_EMPTY;
10022     new_element3 = EL_SP_BASE;
10023   }
10024   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10025   {
10026     new_element1 = EL_MM_MIRROR_START;
10027     new_element2 = EL_EMPTY;
10028     new_element3 = EL_MM_WOODEN_WALL;
10029   }
10030   else
10031   {
10032     new_element1 = EL_WALL;
10033     new_element2 = EL_EMPTY;
10034     new_element3 = EL_SAND;
10035   }
10036
10037   game_engine_type_last = level.game_engine_type;
10038 }
10039
10040 static void InitLevelSetInfo(void)
10041 {
10042   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10043            "%s", leveldir_current->name);
10044   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10045            "%s", leveldir_current->author);
10046
10047   levelset_num_levels = leveldir_current->levels;
10048
10049   levelset_use_levelset_artwork = FALSE;
10050   levelset_copy_level_template = FALSE;
10051
10052   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10053 }
10054
10055 static void ChangeEditorToLevelSet(char *levelset_subdir)
10056 {
10057   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10058
10059   // the previous level set might have used custom artwork
10060   ReloadCustomArtwork(0);
10061
10062   LoadLevelSetup_SeriesInfo();
10063
10064   SaveLevelSetup_LastSeries();
10065   SaveLevelSetup_SeriesInfo();
10066
10067   TapeErase();
10068
10069   LoadLevel(level_nr);
10070   LoadScore(level_nr);
10071
10072   DrawLevelEd();
10073 }
10074
10075 static boolean useEditorDoorAnimation(void)
10076 {
10077   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10078   boolean door_1_viewport_unchanged =
10079     (vp_door_1->x      == DX     &&
10080      vp_door_1->y      == DY     &&
10081      vp_door_1->width  == DXSIZE &&
10082      vp_door_1->height == DYSIZE);
10083   boolean door_1_contains_toolbox =
10084     (EX >= DX &&
10085      EY >= DY &&
10086      EX + EXSIZE <= DX + DXSIZE &&
10087      EY + EYSIZE <= DY + DYSIZE);
10088
10089   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10090 }
10091
10092 static void DrawEditorDoorBackground(int graphic, int x, int y,
10093                                      int width, int height)
10094 {
10095   struct GraphicInfo *g = &graphic_info[graphic];
10096
10097   if (g->bitmap != NULL)
10098     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10099                MIN(width, g->width), MIN(height, g->height), x, y);
10100   else
10101     ClearRectangle(drawto, x, y, width, height);
10102 }
10103
10104 static void DrawEditorDoorContent(void)
10105 {
10106   // needed for gadgets drawn on background (like palette scrollbar)
10107   SetDoorBackgroundImage(IMG_UNDEFINED);
10108
10109   // copy default editor door content to main double buffer
10110   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10111
10112   // draw bigger door
10113   DrawSpecialEditorDoor();
10114
10115   // draw new control window
10116   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10117
10118   // draw all toolbox gadgets to editor doors
10119   MapControlButtons();
10120
10121   // when returning from test game to properties page, redraw toolbox gadgets
10122   if (edit_mode == ED_MODE_PROPERTIES)
10123   {
10124     UnmapLevelEditorToolboxDrawingGadgets();
10125     UnmapLevelEditorToolboxCustomGadgets();
10126
10127     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10128   }
10129
10130   // draw all palette gadgets to editor doors
10131   ModifyEditorElementList();
10132   RedrawDrawingElements();
10133
10134   // copy actual editor door content to door double buffer for OpenDoor()
10135   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10136 }
10137
10138 void DrawLevelEd(void)
10139 {
10140   int fade_mask = REDRAW_FIELD;
10141
10142   FadeSoundsAndMusic();
10143
10144   if (CheckFadeAll())
10145     fade_mask = REDRAW_ALL;
10146
10147   FadeOut(fade_mask);
10148
10149   // needed if different viewport properties defined for editor
10150   ChangeViewportPropertiesIfNeeded();
10151
10152   ClearField();
10153
10154   InitZoomLevelSettings(-1);
10155   InitDrawingElements();
10156   InitLevelSetInfo();
10157
10158 #if DEBUG
10159   CheckElementDescriptions();
10160 #endif
10161
10162   if (level_editor_test_game)
10163   {
10164     CopyPlayfield(level.field, Tile);
10165     CopyPlayfield(TileBackup, level.field);
10166
10167     level_editor_test_game = FALSE;
10168   }
10169   else
10170   {
10171     edit_mode = ED_MODE_DRAWING;
10172     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10173     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10174
10175     ResetUndoBuffer();
10176
10177     level_xpos = -1;
10178     level_ypos = -1;
10179   }
10180
10181   // redraw_mask |= REDRAW_ALL;
10182
10183   FreeLevelEditorGadgets();
10184   CreateLevelEditorGadgets();
10185
10186   ReinitializeElementList();            // update dynamic level element list
10187   ReinitializeElementListButtons();     // custom element may look different
10188
10189   InitElementPropertiesGfxElement();
10190
10191   UnmapAllGadgets();
10192
10193   DrawEditModeWindow_PlayfieldOnly();
10194
10195   DrawMaskedBorder(fade_mask);
10196
10197   // use door animation if door 1 viewport is unchanged and contains toolbox
10198   if (useEditorDoorAnimation())
10199   {
10200     FadeIn(fade_mask);
10201
10202     DrawEditorDoorContent();
10203
10204     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10205   }
10206   else
10207   {
10208     DrawEditorDoorContent();
10209
10210     FadeIn(fade_mask);
10211   }
10212
10213   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10214 }
10215
10216 static void AdjustDrawingAreaGadgets(void)
10217 {
10218   int ed_xsize = lev_fieldx + 2;
10219   int ed_ysize = lev_fieldy + 2;
10220   int max_ed_fieldx = MAX_ED_FIELDX;
10221   int max_ed_fieldy = MAX_ED_FIELDY;
10222   boolean horizontal_scrollbar_needed;
10223   boolean vertical_scrollbar_needed;
10224   int x, y, width, height;
10225
10226   if (suppressBorderElement())
10227   {
10228     ed_xsize = lev_fieldx;
10229     ed_ysize = lev_fieldy;
10230   }
10231
10232   // check if we need any scrollbars
10233   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10234   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10235
10236   // check if we have a smaller editor field because of scrollbars
10237   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10238   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10239
10240   // check again if we now need more scrollbars because of less space
10241   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10242   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10243
10244   // check if editor field gets even smaller after adding new scrollbars
10245   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10246   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10247
10248   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10249   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10250
10251   x = SX + ed_fieldx * ed_tilesize;
10252   y = SY + ed_fieldy * ed_tilesize;
10253
10254   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10255   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10256
10257   // adjust drawing area gadget
10258   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10259                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10260                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10261                GDI_END);
10262
10263   // adjust horizontal scrollbar gadgets
10264   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10265                GDI_Y, y,
10266                GDI_END);
10267   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10268                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10269                GDI_Y, y,
10270                GDI_END);
10271   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10272                GDI_Y, y,
10273                GDI_WIDTH, width,
10274                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10275                GDI_END);
10276
10277   // adjust vertical scrollbar gadgets
10278   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10279                GDI_X, x,
10280                GDI_END);
10281   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10282                GDI_X, x,
10283                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10284                GDI_END);
10285   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10286                GDI_X, x,
10287                GDI_HEIGHT, height,
10288                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10289                GDI_END);
10290 }
10291
10292 static void AdjustLevelScrollPosition(void)
10293 {
10294   if (level_xpos < -1)
10295     level_xpos = -1;
10296   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10297     level_xpos = lev_fieldx - ed_fieldx + 1;
10298   if (lev_fieldx < ed_fieldx - 2)
10299     level_xpos = -1;
10300
10301   if (level_ypos < -1)
10302     level_ypos = -1;
10303   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10304     level_ypos = lev_fieldy - ed_fieldy + 1;
10305   if (lev_fieldy < ed_fieldy - 2)
10306     level_ypos = -1;
10307
10308   if (suppressBorderElement())
10309   {
10310     level_xpos = 0;
10311     level_ypos = 0;
10312   }
10313 }
10314
10315 static void AdjustEditorScrollbar(int id)
10316 {
10317   struct GadgetInfo *gi = level_editor_gadget[id];
10318   int items_max, items_visible, item_position;
10319
10320   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10321   {
10322     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10323     items_visible = ed_fieldx;
10324     item_position = level_xpos + 1;
10325   }
10326   else
10327   {
10328     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10329     items_visible = ed_fieldy;
10330     item_position = level_ypos + 1;
10331   }
10332
10333   if (item_position > items_max - items_visible)
10334     item_position = items_max - items_visible;
10335
10336   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10337                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10338 }
10339
10340 static void AdjustElementListScrollbar(void)
10341 {
10342   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10343   int items_max, items_visible, item_position;
10344
10345   // correct position of element list scrollbar
10346   if (element_shift < 0)
10347     element_shift = 0;
10348   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10349     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10350
10351   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10352   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10353   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10354
10355   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10356                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10357                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10358 }
10359
10360 static void ModifyEditorCounterValue(int counter_id, int new_value)
10361 {
10362   int *counter_value = counterbutton_info[counter_id].value;
10363   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10364   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10365
10366   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10367
10368   if (counter_value != NULL)
10369     *counter_value = gi->textinput.number_value;
10370 }
10371
10372 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10373 {
10374   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10375   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10376
10377   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10378
10379   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10380       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10381   {
10382     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10383     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10384
10385     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10386     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10387                  GDI_END);
10388   }
10389 }
10390
10391 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10392 {
10393   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10394   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10395   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10396
10397   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10398 }
10399
10400 static void ModifyEditorSelectboxOptions(int selectbox_id,
10401                                          struct ValueTextInfo *options)
10402 {
10403   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10404   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10405
10406   selectbox_info[selectbox_id].options = options;
10407
10408   // set index to zero -- list may be shorter now (correct later, if needed)
10409   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10410                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10411 }
10412
10413 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10414 {
10415   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10416   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10417
10418   drawingarea_info[drawingarea_id].area_xsize = xsize;
10419   drawingarea_info[drawingarea_id].area_ysize = ysize;
10420
10421   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10422 }
10423
10424 static void ModifyEditorElementList(void)
10425 {
10426   int i;
10427
10428   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10429     return;
10430
10431   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10432   {
10433     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10434     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10435     struct GadgetDesign *gd = &gi->deco.design;
10436     int element = editor_elements[element_shift + i];
10437     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10438
10439     UnmapGadget(gi);
10440
10441     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10442
10443     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10444
10445     MapGadget(gi);
10446   }
10447 }
10448
10449 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10450 {
10451   int graphic = el2edimg(element);
10452   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10453
10454   if (pos->x == -1 &&
10455       pos->y == -1)
10456     return;
10457
10458   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10459 }
10460
10461 static void ModifyDrawingElementButton(int element, int id)
10462 {
10463   struct GadgetInfo *gi = level_editor_gadget[id];
10464   Bitmap *deco_bitmap;
10465   int deco_x, deco_y;
10466   int tile_size = gi->deco.width;
10467
10468   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10469
10470   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10471 }
10472
10473 static void PickDrawingElement(int button, int element)
10474 {
10475   struct
10476   {
10477     int *new_element;
10478     struct XYTileSize *pos;
10479     int id;
10480   } de, drawing_elements[] =
10481   {
10482     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10483     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10484     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10485   };
10486
10487   if (button < 1 || button > 3)
10488     return;
10489
10490   if (IS_MM_WALL(element))
10491     element = map_mm_wall_element(element);
10492
10493   de = drawing_elements[button - 1];
10494
10495   *de.new_element = element;    // update global drawing element variable
10496
10497   DrawDrawingElementGraphic(element, de.pos);
10498   ModifyDrawingElementButton(element, de.id);
10499
10500   redraw_mask |= REDRAW_DOOR_1;
10501 }
10502
10503 static void RedrawDrawingElements(void)
10504 {
10505   PickDrawingElement(1, new_element1);
10506   PickDrawingElement(2, new_element2);
10507   PickDrawingElement(3, new_element3);
10508 }
10509
10510 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10511 {
10512   stick_element_properties_window = FALSE;
10513
10514   SetMainBackgroundImage(IMG_UNDEFINED);
10515   ClearField();
10516
10517   UnmapLevelEditorFieldGadgets();
10518
10519   AdjustDrawingAreaGadgets();
10520   AdjustLevelScrollPosition();
10521   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10522   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10523
10524   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10525
10526   MapMainDrawingArea();
10527
10528   if (remap_toolbox_gadgets)
10529   {
10530     UnmapLevelEditorToolboxCustomGadgets();
10531     MapLevelEditorToolboxDrawingGadgets();
10532   }
10533 }
10534
10535 static void DrawDrawingWindow(void)
10536 {
10537   DrawDrawingWindowExt(TRUE);
10538 }
10539
10540 static int getTabulatorBarWidth(void)
10541 {
10542   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10543   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10544
10545   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10546 }
10547
10548 static int getTabulatorBarHeight(void)
10549 {
10550   return ED_TAB_BAR_HEIGHT;
10551 }
10552
10553 static Pixel getTabulatorBarColor(void)
10554 {
10555   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10556   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10557   int gd_x = gd->x + gd_gi1->border.width / 2;
10558   int gd_y = gd->y + gd_gi1->height - 1;
10559
10560   return GetPixel(gd->bitmap, gd_x, gd_y);
10561 }
10562
10563 static void DrawLevelConfigTabulatorGadgets(void)
10564 {
10565   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10566   Pixel tab_color = getTabulatorBarColor();
10567   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10568   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10569   int i;
10570
10571   // draw additional "engine" tabulator when using native BD engine
10572   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10573     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10574
10575   for (i = id_first; i <= id_last; i++)
10576   {
10577     int gadget_id = textbutton_info[i].gadget_id;
10578     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10579     boolean active = (i != edit_mode_levelconfig);
10580
10581     // draw background line below tabulator button
10582     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10583
10584     // draw solid line below inactive tabulator buttons
10585     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10586       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10587                     ED_GADGET_TINY_DISTANCE, tab_color);
10588
10589     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10590     MapTextbuttonGadget(i);
10591   }
10592
10593   // draw little border line below tabulator buttons
10594   if (tab_color != BLACK_PIXEL)                 // black => transparent
10595     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10596                   ED_GADGET_TINY_DISTANCE,
10597                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10598 }
10599
10600 static void DrawPropertiesTabulatorGadgets(void)
10601 {
10602   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10603   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10604   int gd_x = gd->x + gd_gi1->border.width / 2;
10605   int gd_y = gd->y + gd_gi1->height - 1;
10606   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10607   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10608   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10609   int i;
10610
10611   // draw two config tabulators for player elements
10612   if (IS_PLAYER_ELEMENT(properties_element))
10613     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10614
10615   // draw two config and one "change" tabulator for custom elements
10616   if (IS_CUSTOM_ELEMENT(properties_element))
10617     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10618
10619   for (i = id_first; i <= id_last; i++)
10620   {
10621     int gadget_id = textbutton_info[i].gadget_id;
10622     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10623     boolean active = (i != edit_mode_properties);
10624
10625     // use "config 1" and "config 2" instead of "config" for players and CEs
10626     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10627         (IS_PLAYER_ELEMENT(properties_element) ||
10628          IS_CUSTOM_ELEMENT(properties_element)))
10629       continue;
10630
10631     // draw background line below tabulator button
10632     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10633
10634     // draw solid line below inactive tabulator buttons
10635     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10636       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10637                     ED_GADGET_TINY_DISTANCE, tab_color);
10638
10639     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10640     MapTextbuttonGadget(i);
10641   }
10642
10643   // draw little border line below tabulator buttons
10644   if (tab_color != BLACK_PIXEL)                 // black => transparent
10645     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10646                   ED_GADGET_TINY_DISTANCE,
10647                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10648 }
10649
10650 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10651 {
10652   DrawText(SX + xpos, SY + ypos, text, font_nr);
10653 }
10654
10655 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10656                                            int xpos, int ypos)
10657 {
10658   int font_width = getFontWidth(font_nr);
10659   int font_height = getFontHeight(font_nr);
10660   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10661   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10662
10663   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10664                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10665                       TRUE, FALSE, FALSE);
10666 }
10667
10668 static void DrawLevelConfigLevel(void)
10669 {
10670   int i;
10671
10672   // draw counter gadgets
10673   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10674     MapCounterButtons(i);
10675
10676   // draw checkbutton gadgets
10677   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10678     MapCheckbuttonGadget(i);
10679
10680   // draw selectbox gadgets
10681   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10682     MapSelectboxGadget(i);
10683
10684   // draw text input gadgets
10685   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10686     MapTextInputGadget(i);
10687 }
10688
10689 static char *getLevelSubdirFromSaveMode(int save_mode)
10690 {
10691   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10692     return getNewUserLevelSubdir();
10693
10694   return leveldir_current->subdir;
10695 }
10696
10697 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10698 {
10699   char *directory_text = "Level set directory:";
10700   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10701   int font1_nr = FONT_TEXT_1;
10702   int font2_nr = FONT_TEXT_2;
10703   int font1_height = getFontHeight(font1_nr);
10704   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10705   int x = ED_LEVEL_SETTINGS_X(0);
10706   int y = ED_LEVEL_SETTINGS_Y(6);
10707
10708   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10709   PrintInfoText(directory_name, font2_nr, x, y);
10710 }
10711
10712 static void DrawLevelConfigLevelSet(void)
10713 {
10714   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10715   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10716   int i;
10717
10718   // draw counter gadgets
10719   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10720     MapCounterButtons(i);
10721
10722   // draw checkbutton gadgets
10723   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10724   {
10725     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10726         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10727         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10728       continue;
10729
10730     MapCheckbuttonGadget(i);
10731   }
10732
10733   // draw selectbox gadgets
10734   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10735     MapSelectboxGadget(i);
10736
10737   // draw text input gadgets
10738   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10739     MapTextInputGadget(i);
10740
10741   // draw textbutton gadgets
10742   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10743
10744   // draw info text
10745   DrawLevelConfigLevelSet_DirectoryInfo();
10746 }
10747
10748 static void DrawLevelConfigEditor(void)
10749 {
10750   int i;
10751
10752   // draw counter gadgets
10753   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10754     MapCounterButtons(i);
10755
10756   // draw checkbutton gadgets
10757   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10758     MapCheckbuttonGadget(i);
10759
10760   // draw radiobutton gadgets
10761   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10762     MapRadiobuttonGadget(i);
10763
10764   // draw drawing area
10765   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10766
10767   // draw textbutton gadgets
10768   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10769 }
10770
10771 static void DrawLevelConfigEngine(void)
10772 {
10773   int i;
10774
10775   // draw counter gadgets
10776   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10777   {
10778     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10779     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10780   }
10781   else
10782   {
10783     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10784     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10785   }
10786
10787   // draw checkbutton gadgets
10788   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10789     MapCheckbuttonGadget(i);
10790
10791   // draw selectbox gadgets
10792   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10793     MapSelectboxGadget(i);
10794 }
10795
10796 static void DrawLevelConfigWindow(void)
10797 {
10798   char *text = "Global Settings";
10799   int font_nr = FONT_TITLE_1;
10800   struct MenuPosInfo *pos = &editor.settings.headline;
10801   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10802   int sy = SY + pos->y;
10803
10804   stick_element_properties_window = FALSE;
10805
10806   SetAutomaticNumberOfGemsNeeded();
10807
10808   UnmapLevelEditorFieldGadgets();
10809
10810   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10811   ClearField();
10812
10813   DrawText(sx, sy, text, font_nr);
10814
10815   DrawLevelConfigTabulatorGadgets();
10816
10817   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10818     DrawLevelConfigLevel();
10819   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10820     DrawLevelConfigLevelSet();
10821   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10822     DrawLevelConfigEditor();
10823   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10824     DrawLevelConfigEngine();
10825 }
10826
10827 static void DrawCustomContentArea(void)
10828 {
10829   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10830   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10831   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10832   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10833   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10834   int xoffset = ED_GADGET_SPACE_DISTANCE;
10835
10836   // add distance for potential left text (without drawing area border)
10837   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10838
10839   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10840
10841   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10842 }
10843
10844 static void DrawCustomChangeContentArea(void)
10845 {
10846   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10847   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10848   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10849   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10850   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10851   int xoffset = ED_GADGET_SPACE_DISTANCE;
10852
10853   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10854
10855   MapDrawingArea(id);
10856 }
10857
10858 static void RemoveElementContentArea(int id, int font_height)
10859 {
10860   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10861
10862   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10863                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10864                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10865                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10866                  ED_GADGET_TEXT_DISTANCE + font_height);
10867 }
10868
10869 static void DrawYamYamContentAreas(void)
10870 {
10871   int font_nr = FONT_TEXT_1;
10872   int font_height = getFontHeight(font_nr);
10873   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10874   int yoffset = (tilesize - font_height) / 2;
10875   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10876   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10877   int i;
10878
10879   // display counter to choose number of element content areas
10880   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10881
10882   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10883   {
10884     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10885
10886     if (i < level.num_yamyam_contents)
10887     {
10888       MapDrawingArea(id);
10889     }
10890     else
10891     {
10892       UnmapDrawingArea(id);
10893
10894       // delete content areas in case of reducing number of them
10895       RemoveElementContentArea(id, font_height);
10896     }
10897   }
10898
10899   DrawText(x, y + 0 * tilesize, "content", font_nr);
10900   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10901   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10902 }
10903
10904 static void DrawMagicBallContentAreas(void)
10905 {
10906   int font_nr = FONT_TEXT_1;
10907   int font_height = getFontHeight(font_nr);
10908   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10909   int yoffset = (tilesize - font_height) / 2;
10910   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10911   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10912   int i;
10913
10914   // display counter to choose number of element content areas
10915   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10916
10917   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10918   {
10919     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10920
10921     if (i < level.num_ball_contents)
10922     {
10923       MapDrawingArea(id);
10924     }
10925     else
10926     {
10927       UnmapDrawingArea(id);
10928
10929       // delete content areas in case of reducing number of them
10930       RemoveElementContentArea(id, font_height);
10931     }
10932   }
10933
10934   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10935   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10936   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10937 }
10938
10939 static void DrawAndroidElementArea(void)
10940 {
10941   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10942   int num_elements = level.num_android_clone_elements;
10943   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10944   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10945   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10946   int xsize = MAX_ANDROID_ELEMENTS;
10947   int ysize = 1;
10948
10949   // display counter to choose number of element areas
10950   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10951
10952   if (drawingarea_info[id].text_left != NULL)
10953     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10954
10955   UnmapDrawingArea(id);
10956
10957   ModifyEditorDrawingArea(id, num_elements, 1);
10958
10959   // delete content areas in case of reducing number of them
10960   DrawBackground(sx, sy,
10961                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10962                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10963
10964   MapDrawingArea(id);
10965 }
10966
10967 static void DrawGroupElementArea(void)
10968 {
10969   int id = ED_DRAWING_ID_GROUP_CONTENT;
10970   int num_elements = group_element_info.num_elements;
10971   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10972   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10973   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10974   int xsize = MAX_ELEMENTS_IN_GROUP;
10975   int ysize = 1;
10976
10977   if (drawingarea_info[id].text_left != NULL)
10978     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10979
10980   UnmapDrawingArea(id);
10981
10982   ModifyEditorDrawingArea(id, num_elements, 1);
10983
10984   // delete content areas in case of reducing number of them
10985   DrawBackground(sx, sy,
10986                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10987                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10988
10989   MapDrawingArea(id);
10990 }
10991
10992 static void DrawPlayerInitialInventoryArea(int element)
10993 {
10994   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10995   int player_nr = GET_PLAYER_NR(element);
10996   int num_elements = level.initial_inventory_size[player_nr];
10997   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10998   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10999   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11000   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11001   int ysize = 1;
11002
11003   // determine horizontal position to the right of specified gadget
11004   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11005     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11006           ED_DRAWINGAREA_TEXT_DISTANCE);
11007
11008   // determine horizontal offset for leading text
11009   if (drawingarea_info[id].text_left != NULL)
11010     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11011
11012   UnmapDrawingArea(id);
11013
11014   ModifyEditorDrawingArea(id, num_elements, 1);
11015
11016   // delete content areas in case of reducing number of them
11017   DrawBackground(sx, sy,
11018                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11019                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11020
11021   MapDrawingArea(id);
11022 }
11023
11024 static void DrawMMBallContentArea(void)
11025 {
11026   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11027   int num_elements = level.num_mm_ball_contents;
11028   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11029   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11030   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11031   int xsize = MAX_MM_BALL_CONTENTS;
11032   int ysize = 1;
11033
11034   if (drawingarea_info[id].text_left != NULL)
11035     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11036
11037   UnmapDrawingArea(id);
11038
11039   ModifyEditorDrawingArea(id, num_elements, 1);
11040
11041   // delete content areas in case of reducing number of them
11042   DrawBackground(sx, sy,
11043                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11044                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11045
11046   MapDrawingArea(id);
11047 }
11048
11049 static void DrawEnvelopeTextArea(int envelope_nr)
11050 {
11051   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11052   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11053
11054   UnmapGadget(gi);
11055
11056   DrawBackground(gi->x, gi->y,
11057                  gi->textarea.crop_width, gi->textarea.crop_height);
11058
11059   if (envelope_nr != -1)
11060     textarea_info[id].value = level.envelope[envelope_nr].text;
11061
11062   ModifyGadget(gi, GDI_AREA_SIZE,
11063                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11064                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11065                GDI_END);
11066
11067   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11068 }
11069
11070 static void DrawPropertiesInfo(void)
11071 {
11072   static struct
11073   {
11074     int value;
11075     char *text;
11076   }
11077   properties[] =
11078   {
11079     // configurable properties
11080
11081     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11082     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11083     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11084     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11085     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11086     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11087     { EP_PROTECTED,             "- player is protected by it"           },
11088
11089     { EP_DIGGABLE,              "- can be digged away"                  },
11090     { EP_COLLECTIBLE,           "- can be collected"                    },
11091     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11092     { EP_THROWABLE,             "- can be thrown after collecting"      },
11093     { EP_PUSHABLE,              "- can be pushed"                       },
11094
11095     { EP_CAN_FALL,              "- can fall"                            },
11096     { EP_CAN_MOVE,              "- can move"                            },
11097
11098     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11099 #if 0
11100     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11101 #endif
11102     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11103
11104     { EP_SLIPPERY,              "- slippery for falling elements"       },
11105     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11106
11107     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11108     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11109     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11110     { EP_DONT_TOUCH,            "- deadly when touching"                },
11111
11112     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11113
11114     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11115     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11116     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11117
11118     { EP_CAN_CHANGE,            "- can change to other element"         },
11119
11120     // pre-defined properties
11121     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11122     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11123     { EP_SWITCHABLE,            "- can be switched"                     },
11124 #if 0
11125     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11126 #endif
11127
11128     { -1,                       NULL                                    }
11129   };
11130   char *filename = getElementDescriptionFilename(properties_element);
11131   char *num_elements_text = "In this level: ";
11132   char *num_similar_text = "Similar tiles: ";
11133   char *properties_text = "Standard properties: ";
11134   char *description_text = "Description:";
11135   char *no_description_text = "No description available.";
11136   char *none_text = "None";
11137   float percentage;
11138   int num_elements_in_level = 0;
11139   int num_similar_in_level = 0;
11140   int num_hires_tiles_in_level = 0;
11141   int num_standard_properties = 0;
11142   int font1_nr = FONT_TEXT_1;
11143   int font2_nr = FONT_TEXT_2;
11144   int font1_width = getFontWidth(font1_nr);
11145   int font1_height = getFontHeight(font1_nr);
11146   int font2_height = getFontHeight(font2_nr);
11147   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11148   int font2_yoffset = (font1_height - font2_height) / 2;
11149   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11150   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11151   int properties_text_len = strlen(properties_text) * font1_width;
11152   int xpos = ED_ELEMENT_SETTINGS_X(0);
11153   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11154   int i, x, y;
11155
11156   if (setup.editor.show_element_token)
11157   {
11158     int font3_nr = FONT_TEXT_3;
11159     int font3_height = getFontHeight(font3_nr);
11160
11161     DrawTextF(xpos, ypos, font3_nr,
11162               "[%s]", element_info[properties_element].token_name);
11163
11164     ypos += 2 * font3_height;
11165   }
11166
11167   // ----- print number of elements / percentage of this element in level
11168
11169   for (y = 0; y < lev_fieldy; y++)
11170   {
11171     for (x = 0; x < lev_fieldx; x++)
11172     {
11173       if (Tile[x][y] == properties_element)
11174       {
11175         num_elements_in_level++;
11176       }
11177       else if (IS_MM_WALL(Tile[x][y]) &&
11178                map_mm_wall_element(Tile[x][y]) == properties_element)
11179       {
11180         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11181       }
11182     }
11183   }
11184
11185   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11186
11187   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11188
11189   if (num_hires_tiles_in_level > 0)
11190     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11191               "%d wall tiles", num_hires_tiles_in_level);
11192   else if (num_elements_in_level > 0)
11193     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11194               "%d (%.2f %%)", num_elements_in_level, percentage);
11195   else
11196     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11197               none_text);
11198
11199   // ----- print number of similar elements / percentage of them in level
11200
11201   for (y = 0; y < lev_fieldy; y++)
11202   {
11203     for (x = 0; x < lev_fieldx; x++)
11204     {
11205       if (strEqual(element_info[Tile[x][y]].class_name,
11206                    element_info[properties_element].class_name))
11207       {
11208         num_similar_in_level++;
11209       }
11210     }
11211   }
11212
11213   if (num_similar_in_level != num_elements_in_level)
11214   {
11215     ypos += 1 * MAX(font1_height, font2_height);
11216
11217     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11218
11219     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11220
11221     if (num_similar_in_level > 0)
11222       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11223                 "%d (%.2f %%)", num_similar_in_level, percentage);
11224     else
11225       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11226                 none_text);
11227   }
11228
11229   ypos += 2 * MAX(font1_height, font2_height);
11230
11231   // ----- print standard properties of this element
11232
11233   DrawTextS(xpos, ypos, font1_nr, properties_text);
11234
11235   ypos += line1_height;
11236
11237   for (i = 0; properties[i].value != -1; i++)
11238   {
11239     if (!HAS_PROPERTY(properties_element, properties[i].value))
11240       continue;
11241
11242     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11243
11244     ypos += font2_height;
11245
11246     num_standard_properties++;
11247   }
11248
11249   if (num_standard_properties == 0)
11250   {
11251     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11252               font2_nr, none_text);
11253
11254     ypos -= (line1_height - font1_height);
11255   }
11256
11257   ypos += MAX(font1_height, font2_height);
11258
11259   // ----- print special description of this element
11260
11261   PrintInfoText(description_text, font1_nr, xpos, ypos);
11262
11263   ypos += line1_height;
11264
11265   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11266     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11267 }
11268
11269 #define TEXT_COLLECTING         "Score for collecting"
11270 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
11271 #define TEXT_SMASHING           "Score for smashing"
11272 #define TEXT_SLURPING           "Score for slurping robot"
11273 #define TEXT_CRACKING           "Score for cracking"
11274 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
11275 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
11276 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
11277 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
11278 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
11279 #define TEXT_DURATION           "Duration when activated"
11280 #define TEXT_DELAY_ON           "Delay before activating"
11281 #define TEXT_DELAY_OFF          "Delay before deactivating"
11282 #define TEXT_DELAY_CHANGING     "Delay before changing"
11283 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
11284 #define TEXT_DELAY_MOVING       "Delay before moving"
11285 #define TEXT_BALL_DELAY         "Element generation delay"
11286 #define TEXT_MOVE_SPEED         "Speed of android moving"
11287 #define TEXT_CLONE_SPEED        "Speed of android cloning"
11288 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
11289 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
11290 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
11291 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
11292 #define TEXT_TIME_BONUS         "Extra time to solve level"
11293 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
11294 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
11295 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
11296 #define TEXT_RANDOM_SEED        "slime random number seed"
11297 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
11298 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
11299 #define TEXT_REPLICATION_DELAY  "Create delay (BD frames)"
11300 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11301 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11302
11303 static struct
11304 {
11305   int element;
11306   int *value;
11307   char *text;
11308   int min_value;
11309   int max_value;
11310 } elements_with_counter[] =
11311 {
11312   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11313   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11314   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11315   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11316   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11317   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11318   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11319   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11320   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11321   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11322   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11323   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11324   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11325   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11326   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11327   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11328   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11329   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11330   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11331   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11332   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11333   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11334   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11335   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11336   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11337   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11338   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11339   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11340   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11341   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11342   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11343   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11344   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11345   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11346   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11347   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11348   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11349   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11350   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11351   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11352   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11353   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11354   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11355   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11356   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11357   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11358   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11359   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11360   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11361   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11362   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11363   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11364   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11365   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11366   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11367   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11368   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11369   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11370   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11371   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11372   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11373   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11374   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11375   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11376   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11377   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11378   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11379   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11380   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11381   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11382   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11383   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11384   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11385   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11386   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11387   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11388   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11389   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11390   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11391   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11392   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11393   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11394   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11395                                 0, 100                                                          },
11396   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11397                                 0, 100                                                          },
11398   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11399   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11400   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11401                                 0, 100                                                          },
11402   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11403                                 0, 100                                                          },
11404   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11405   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11406   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11407   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11408   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11409   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11410   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11411   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11412   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11413   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11414   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11415                                 -100, 100                                                       },
11416   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11417                                 0, 100                                                          },
11418   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11419                                 0, 100                                                          },
11420   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11421                                 0, 255                                                          },
11422   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11423                                 -1, 65535                                                       },
11424   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11425                                 0, 100                                                          },
11426   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11427                                 0, 3                                                            },
11428   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11429                                 0, 3                                                            },
11430   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11431                                 0, 3                                                            },
11432   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11433                                 0, 3                                                            },
11434   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11435                                 0, 3                                                            },
11436   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11437                                 0, 100                                                          },
11438   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11439                                 1, 100                                                          },
11440   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11441                                 1, 200                                                          },
11442   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11443   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11444   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11445   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11446   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11447   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11448   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11449   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11450   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11451   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11452   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11453   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11454   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11455   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11456   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11457   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11458   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11459   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11460   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11461   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11462   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11463   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11464   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11465   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11466   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11467
11468   { -1,                         NULL,                                   NULL                    }
11469 };
11470
11471 static boolean checkPropertiesConfig(int element)
11472 {
11473   int i;
11474
11475   // special case: empty space customization only available in R'n'D game engine
11476   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11477     return FALSE;
11478
11479   // special case: BD style rock customization only available in BD game engine
11480   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11481     return FALSE;
11482
11483   if (IS_GEM(element) ||
11484       IS_CUSTOM_ELEMENT(element) ||
11485       IS_GROUP_ELEMENT(element) ||
11486       IS_EMPTY_ELEMENT(element) ||
11487       IS_BALLOON_ELEMENT(element) ||
11488       IS_ENVELOPE(element) ||
11489       IS_MM_ENVELOPE(element) ||
11490       IS_MM_MCDUFFIN(element) ||
11491       IS_DF_LASER(element) ||
11492       IS_PLAYER_ELEMENT(element) ||
11493       IS_BD_PLAYER_ELEMENT(element) ||
11494       IS_BD_EXPANDABLE_WALL(properties_element) ||
11495       IS_BD_CONVEYOR_BELT(properties_element) ||
11496       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11497       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11498       HAS_EDITOR_CONTENT(element) ||
11499       CAN_GROW(element) ||
11500       COULD_MOVE_INTO_ACID(element) ||
11501       MAYBE_DONT_COLLIDE_WITH(element) ||
11502       element == EL_BD_ROCK ||
11503       element == EL_BD_MEGA_ROCK ||
11504       element == EL_BD_SWEET ||
11505       element == EL_BD_VOODOO_DOLL ||
11506       element == EL_BD_WATER)
11507   {
11508     return TRUE;
11509   }
11510   else
11511   {
11512     for (i = 0; elements_with_counter[i].element != -1; i++)
11513       if (elements_with_counter[i].element == element)
11514         return TRUE;
11515   }
11516
11517   return FALSE;
11518 }
11519
11520 static void SetAutomaticNumberOfGemsNeeded(void)
11521 {
11522   int x, y;
11523
11524   if (!level.auto_count_gems)
11525     return;
11526
11527   level.gems_needed = 0;
11528
11529   for (x = 0; x < lev_fieldx; x++)
11530   {
11531     for (y = 0; y < lev_fieldy; y++)
11532     {
11533       int element = Tile[x][y];
11534
11535       switch (element)
11536       {
11537         case EL_EMERALD:
11538         case EL_EMERALD_YELLOW:
11539         case EL_EMERALD_RED:
11540         case EL_EMERALD_PURPLE:
11541         case EL_BD_DIAMOND:
11542         case EL_WALL_EMERALD:
11543         case EL_WALL_EMERALD_YELLOW:
11544         case EL_WALL_EMERALD_RED:
11545         case EL_WALL_EMERALD_PURPLE:
11546         case EL_WALL_BD_DIAMOND:
11547         case EL_NUT:
11548         case EL_SP_INFOTRON:
11549         case EL_MM_KETTLE:
11550         case EL_DF_CELL:
11551           level.gems_needed++;
11552           break;
11553
11554         case EL_DIAMOND:
11555         case EL_WALL_DIAMOND:
11556           level.gems_needed += 3;
11557           break;
11558
11559         case EL_PEARL:
11560         case EL_WALL_PEARL:
11561           level.gems_needed += 5;
11562           break;
11563
11564         case EL_CRYSTAL:
11565         case EL_WALL_CRYSTAL:
11566           level.gems_needed += 8;
11567           break;
11568
11569         default:
11570           break;
11571       }
11572     }
11573   }
11574
11575   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11576 }
11577
11578 static void DrawPropertiesConfig(void)
11579 {
11580   boolean draw_footer_line = FALSE;
11581   int max_num_element_counters = 4;
11582   int num_element_counters = 0;
11583   int i;
11584
11585   if (!checkPropertiesConfig(properties_element))
11586   {
11587     int xpos = ED_ELEMENT_SETTINGS_X(0);
11588     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11589
11590     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11591
11592     return;
11593   }
11594
11595   // check if there are elements where a value can be chosen for
11596   for (i = 0; elements_with_counter[i].element != -1; i++)
11597   {
11598     if (elements_with_counter[i].element != properties_element)
11599       continue;
11600
11601     // special case: score for extra diamonds only available in BD game engine
11602     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11603         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11604         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11605       continue;
11606
11607     // special case: some amoeba counters only available in BD game engine
11608     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11609         elements_with_counter[i].value != &level.amoeba_speed &&
11610         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11611       continue;
11612
11613     // special case: some amoeba counters only available in R'n'D game engine
11614     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11615         elements_with_counter[i].value == &level.amoeba_speed &&
11616         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11617       continue;
11618
11619     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11620
11621     counterbutton_info[counter_id].y =
11622       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11623                                (CAN_GROW(properties_element)                ? 1 : 0) +
11624                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11625                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11626                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11627                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11628                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11629                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11630                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11631                                num_element_counters);
11632
11633     // special case: set magic wall counter for BD game engine separately
11634     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11635       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11636
11637     // special case: set amoeba counters for BD game engine separately
11638     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11639         (properties_element == EL_BD_AMOEBA_2))
11640       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11641
11642     // special case: set position for delay counter for reappearing hammered walls
11643     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
11644       counterbutton_info[counter_id].y += 1;
11645
11646     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11647     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11648     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11649     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11650
11651     // default: counter values between 0 and 999
11652     if (counterbutton_info[counter_id].max_value == 0)
11653       counterbutton_info[counter_id].max_value = 999;
11654
11655     MapCounterButtons(counter_id);
11656
11657     num_element_counters++;
11658     if (num_element_counters >= max_num_element_counters)
11659       break;
11660   }
11661
11662   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11663   {
11664     // draw stickybutton gadget
11665     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11666
11667     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11668     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11669
11670     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11671     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11672     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11673     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11674     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11675     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11676     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11677   }
11678
11679   if (HAS_EDITOR_CONTENT(properties_element))
11680   {
11681     // draw stickybutton gadget
11682     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11683
11684     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11685     {
11686       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11687       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11688
11689       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11690       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11691     }
11692     else if (properties_element == EL_BD_AMOEBA_2)
11693     {
11694       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11695       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11696       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11697
11698       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11699       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11700       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11701       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11702     }
11703     else if (IS_AMOEBOID(properties_element))
11704       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11705     else if (properties_element == EL_BD_ACID)
11706     {
11707       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11708       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11709     }
11710     else if (IS_BD_BITER(properties_element))
11711     {
11712       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11713     }
11714     else if (properties_element == EL_BD_BLADDER)
11715     {
11716       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11717     }
11718     else if (properties_element == EL_YAMYAM ||
11719              properties_element == EL_YAMYAM_LEFT ||
11720              properties_element == EL_YAMYAM_RIGHT ||
11721              properties_element == EL_YAMYAM_UP ||
11722              properties_element == EL_YAMYAM_DOWN)
11723       DrawYamYamContentAreas();
11724     else if (properties_element == EL_EMC_MAGIC_BALL)
11725     {
11726       DrawMagicBallContentAreas();
11727
11728       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11729       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11730     }
11731     else if (properties_element == EL_EMC_ANDROID)
11732       DrawAndroidElementArea();
11733     else if (properties_element == EL_MM_GRAY_BALL)
11734     {
11735       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11736       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11737       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11738       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11739
11740       DrawMMBallContentArea();
11741     }
11742   }
11743
11744   if (IS_PLAYER_ELEMENT(properties_element))
11745   {
11746     int player_nr = GET_PLAYER_NR(properties_element);
11747
11748     // these properties can be set for every player individually
11749
11750     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11751     {
11752       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11753         &level.start_element[player_nr];
11754       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11755         &level.artwork_element[player_nr];
11756       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11757         &level.explosion_element[player_nr];
11758
11759       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11760         &level.use_start_element[player_nr];
11761       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11762         &level.use_artwork_element[player_nr];
11763       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11764         &level.use_explosion_element[player_nr];
11765       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11766         &level.initial_player_gravity[player_nr];
11767
11768       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11769         &level.initial_player_stepsize[player_nr];
11770
11771       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11772       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11773                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11774                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11775       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11776       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11777       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11778       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11779       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11780       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11781       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11782       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11783       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11784       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11785       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11786
11787       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11788       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11789       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11790
11791       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11792     }
11793     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11794     {
11795       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11796         &level.initial_inventory_content[player_nr][0];
11797
11798       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11799         &level.initial_inventory_size[player_nr];
11800
11801       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11802         &level.use_initial_inventory[player_nr];
11803
11804       // draw checkbutton gadgets
11805       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11806       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11807       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11808
11809       // draw counter gadgets
11810       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11811
11812       // draw drawing area gadgets
11813       DrawPlayerInitialInventoryArea(properties_element);
11814     }
11815   }
11816
11817   if (IS_BD_PLAYER_ELEMENT(properties_element))
11818   {
11819     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11820       ED_ELEMENT_SETTINGS_YPOS(2);
11821     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11822       ED_ELEMENT_SETTINGS_YPOS(3);
11823     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11824       ED_ELEMENT_SETTINGS_YPOS(4);
11825
11826     // draw checkbutton gadgets
11827     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11828     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11829     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11830
11831     // draw counter gadgets
11832     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11833     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11834
11835     // draw drawing area gadgets
11836     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11837   }
11838
11839   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11840   {
11841     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11842       ED_ELEMENT_SETTINGS_YPOS(0);
11843     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11844       ED_ELEMENT_SETTINGS_YPOS(1);
11845
11846     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11847     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11848   }
11849
11850   if (properties_element == EL_BD_MEGA_ROCK ||
11851       properties_element == EL_BD_SWEET)
11852   {
11853     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11854       ED_ELEMENT_SETTINGS_YPOS(0);
11855     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11856       ED_ELEMENT_SETTINGS_YPOS(1);
11857
11858     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11859     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11860   }
11861
11862   if (properties_element == EL_BD_VOODOO_DOLL)
11863   {
11864     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11865     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11866     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11867     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11868   }
11869
11870   if (properties_element == EL_BD_SLIME)
11871   {
11872     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11873
11874     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
11875     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
11876     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
11877     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
11878     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
11879     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
11880   }
11881
11882   if (IS_BD_EXPANDABLE_WALL(properties_element))
11883   {
11884     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11885   }
11886
11887   if (properties_element == EL_BD_REPLICATOR)
11888   {
11889     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11890   }
11891
11892   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11893       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11894   {
11895     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11896     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11897   }
11898
11899   if (properties_element == EL_BD_WATER)
11900   {
11901     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
11902   }
11903
11904   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
11905   {
11906     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
11907   }
11908
11909   if (properties_element == EL_BD_NUT)
11910   {
11911     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
11912   }
11913
11914   // special case: slippery walls option for gems only available in R'n'D game engine
11915   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11916     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11917
11918   if (properties_element == EL_EM_DYNAMITE)
11919     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11920
11921   if (COULD_MOVE_INTO_ACID(properties_element) &&
11922       !IS_PLAYER_ELEMENT(properties_element) &&
11923       (!IS_CUSTOM_ELEMENT(properties_element) ||
11924        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11925   {
11926     // set position for checkbutton for "can move into acid"
11927     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11928       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11929     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11930       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11931                                IS_BALLOON_ELEMENT(properties_element) ||
11932                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11933
11934     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11935   }
11936
11937   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11938     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11939
11940   if (properties_element == EL_SPRING ||
11941       properties_element == EL_SPRING_LEFT ||
11942       properties_element == EL_SPRING_RIGHT)
11943     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11944
11945   if (properties_element == EL_TIME_ORB_FULL)
11946     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11947
11948   if (properties_element == EL_GAME_OF_LIFE ||
11949       properties_element == EL_BIOMAZE)
11950     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11951
11952   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11953   {
11954     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11955       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11956
11957     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11958   }
11959
11960   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11961     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11962
11963   if (properties_element == EL_SOKOBAN_OBJECT)
11964     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11965
11966   if (properties_element == EL_SOKOBAN_OBJECT ||
11967       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11968       properties_element == EL_SOKOBAN_FIELD_FULL)
11969   {
11970     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11971       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11972                                0 : 1);
11973
11974     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11975   }
11976
11977   if (IS_BALLOON_ELEMENT(properties_element))
11978     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11979
11980   if (IS_ENVELOPE(properties_element) ||
11981       IS_MM_ENVELOPE(properties_element))
11982   {
11983     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11984     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11985     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11986     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11987     int envelope_nr = ENVELOPE_NR(properties_element);
11988
11989     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11990     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11991
11992     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11993     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11994
11995     // display counter to choose size of envelope text area
11996     MapCounterButtons(counter1_id);
11997     MapCounterButtons(counter2_id);
11998
11999     // display checkbuttons to choose auto-wrap and alignment properties
12000     MapCheckbuttonGadget(button1_id);
12001     MapCheckbuttonGadget(button2_id);
12002
12003     DrawEnvelopeTextArea(envelope_nr);
12004   }
12005
12006   if (IS_MM_MCDUFFIN(properties_element))
12007   {
12008     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12009     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12010     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12011   }
12012
12013   if (IS_DF_LASER(properties_element))
12014   {
12015     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12016     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12017     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12018   }
12019
12020   if (IS_CUSTOM_ELEMENT(properties_element))
12021   {
12022     // draw stickybutton gadget
12023     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12024
12025     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12026     {
12027       // draw checkbutton gadgets
12028       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12029            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12030         MapCheckbuttonGadget(i);
12031
12032       // draw counter gadgets
12033       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12034            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12035         MapCounterButtons(i);
12036
12037       // draw selectbox gadgets
12038       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12039            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12040         MapSelectboxGadget(i);
12041
12042       // draw textbutton gadgets
12043       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12044
12045       // draw text input gadgets
12046       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12047
12048       // draw drawing area gadgets
12049       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12050
12051       draw_footer_line = TRUE;
12052     }
12053     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12054     {
12055       // draw checkbutton gadgets
12056       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12057            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12058         MapCheckbuttonGadget(i);
12059
12060       // draw counter gadgets
12061       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12062            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12063         MapCounterButtons(i);
12064
12065       // draw selectbox gadgets
12066       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12067            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12068         MapSelectboxGadget(i);
12069
12070       // draw drawing area gadgets
12071       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12072       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12073       DrawCustomContentArea();
12074     }
12075   }
12076   else if (IS_GROUP_ELEMENT(properties_element))
12077   {
12078     // draw stickybutton gadget
12079     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12080
12081     // draw checkbutton gadgets
12082     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12083     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12084
12085     // draw counter gadgets
12086     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12087
12088     // draw selectbox gadgets
12089     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12090
12091     // draw textbutton gadgets
12092     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12093
12094     // draw drawing area gadgets
12095     DrawGroupElementArea();
12096
12097     // draw text input gadgets
12098     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12099
12100     // draw drawing area gadgets
12101     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12102
12103     draw_footer_line = TRUE;
12104   }
12105   else if (IS_EMPTY_ELEMENT(properties_element))
12106   {
12107     // draw stickybutton gadget
12108     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12109
12110     // draw checkbutton gadgets
12111     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12112     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12113
12114     // draw textbutton gadgets
12115     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12116
12117     // draw drawing area gadgets
12118     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12119
12120     draw_footer_line = TRUE;
12121   }
12122
12123   // draw little footer border line above CE/GE use/save template gadgets
12124   if (draw_footer_line)
12125   {
12126     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12127     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12128     int gd_x = gd->x + gd_gi1->border.width / 2;
12129     int gd_y = gd->y + gd_gi1->height - 1;
12130     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12131
12132     if (tab_color != BLACK_PIXEL)               // black => transparent
12133       FillRectangle(drawto,
12134                     SX + ED_ELEMENT_SETTINGS_X(0),
12135                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12136                     ED_TAB_BAR_HEIGHT,
12137                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12138   }
12139 }
12140
12141 static void DrawPropertiesChangeDrawingAreas(void)
12142 {
12143   if (IS_CUSTOM_ELEMENT(properties_element))
12144   {
12145     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12146     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12147     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12148
12149     DrawCustomChangeContentArea();
12150   }
12151
12152   redraw_mask |= REDRAW_FIELD;
12153 }
12154
12155 static void DrawPropertiesChange(void)
12156 {
12157   int i;
12158
12159   // needed to initially set selectbox options for special action options
12160   setSelectboxSpecialActionOptions();
12161
12162   // draw stickybutton gadget
12163   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12164
12165   // draw checkbutton gadgets
12166   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12167        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12168     MapCheckbuttonGadget(i);
12169
12170   // draw counter gadgets
12171   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12172        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12173     MapCounterButtons(i);
12174
12175   // draw selectbox gadgets
12176   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12177        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12178     MapSelectboxGadget(i);
12179
12180   // draw textbutton gadgets
12181   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12182        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12183     MapTextbuttonGadget(i);
12184
12185   // draw graphicbutton gadgets
12186   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12187        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12188     MapGraphicbuttonGadget(i);
12189
12190   // draw drawing area gadgets
12191   DrawPropertiesChangeDrawingAreas();
12192 }
12193
12194 static void DrawEditorElementAnimation(int x, int y)
12195 {
12196   int graphic;
12197   int frame;
12198
12199   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12200
12201   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12202 }
12203
12204 static void DrawEditorElementName(int x, int y, int font_nr)
12205 {
12206   char *element_name = getElementInfoText(properties_element);
12207   int font_width = getFontWidth(font_nr);
12208   int font_height = getFontHeight(font_nr);
12209   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12210   int max_chars_per_line = max_text_width / font_width;
12211
12212   if (strlen(element_name) <= max_chars_per_line)
12213     DrawTextS(x, y, font_nr, element_name);
12214   else
12215   {
12216     char buffer[max_chars_per_line + 1];
12217     int next_pos = max_chars_per_line;
12218
12219     strncpy(buffer, element_name, max_chars_per_line);
12220     buffer[max_chars_per_line] = '\0';
12221
12222     if (element_name[max_chars_per_line] == ' ')
12223       next_pos++;
12224     else
12225     {
12226       int i;
12227
12228       for (i = max_chars_per_line - 1; i >= 0; i--)
12229         if (buffer[i] == ' ')
12230           break;
12231
12232       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12233       {
12234         buffer[i] = '\0';
12235         next_pos = i + 1;
12236       }
12237     }
12238
12239     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12240
12241     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12242     buffer[max_chars_per_line] = '\0';
12243
12244     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12245   }
12246 }
12247
12248 static void DrawPropertiesWindow(void)
12249 {
12250   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12251   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12252   int border_size = gd->border_size;
12253   int font_nr = FONT_TEXT_1;
12254   int font_height = getFontHeight(font_nr);
12255   int xoffset = TILEX + element_border + 3 * border_size;
12256   int yoffset = (TILEY - font_height) / 2;
12257   int x1 = editor.settings.element_graphic.x + element_border;
12258   int y1 = editor.settings.element_graphic.y + element_border;
12259   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12260             editor.settings.element_name.x);
12261   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12262             editor.settings.element_name.y);
12263   char *text = "Element Settings";
12264   int font2_nr = FONT_TITLE_1;
12265   struct MenuPosInfo *pos = &editor.settings.headline;
12266   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12267   int sy = SY + pos->y;
12268
12269   stick_element_properties_window = FALSE;
12270
12271   // make sure that previous properties edit mode exists for this element
12272   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12273       !IS_CUSTOM_ELEMENT(properties_element))
12274     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12275
12276   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12277       !IS_PLAYER_ELEMENT(properties_element) &&
12278       !IS_CUSTOM_ELEMENT(properties_element))
12279     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12280
12281   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12282       (IS_PLAYER_ELEMENT(properties_element) ||
12283        IS_CUSTOM_ELEMENT(properties_element)))
12284     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12285
12286   CopyElementPropertiesToEditor(properties_element);
12287
12288   UnmapLevelEditorFieldGadgets();
12289   UnmapLevelEditorToolboxDrawingGadgets();
12290   UnmapLevelEditorToolboxCustomGadgets();
12291
12292   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12293
12294   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12295   ClearField();
12296
12297   DrawText(sx, sy, text, font2_nr);
12298
12299   FrameCounter = 0;     // restart animation frame counter
12300
12301   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12302   DrawEditorElementAnimation(SX + x1, SY + y1);
12303   DrawEditorElementName(x2, y2, font_nr);
12304
12305   DrawPropertiesTabulatorGadgets();
12306
12307   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12308     DrawPropertiesInfo();
12309   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12310     DrawPropertiesChange();
12311   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12312     DrawPropertiesConfig();
12313 }
12314
12315 static void DrawPaletteWindow(void)
12316 {
12317   int i;
12318
12319   UnmapLevelEditorFieldGadgets();
12320
12321   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12322   ClearField();
12323
12324   // map buttons to select elements
12325   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12326     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12327   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12328   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12329   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12330 }
12331
12332 static void UpdateCustomElementGraphicGadgets(void)
12333 {
12334   int i;
12335
12336   InitElementPropertiesGfxElement();
12337
12338   ModifyEditorElementList();
12339   RedrawDrawingElements();
12340
12341   // force redraw of all mapped drawing area gadgets
12342   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12343   {
12344     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12345
12346     if (gi->mapped)
12347       MapDrawingArea(i);
12348   }
12349 }
12350
12351 static int getOpenDirectionFromTube(int element)
12352 {
12353   switch (element)
12354   {
12355     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12356     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12357     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12358     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12359     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12360     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12361     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12362     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12363     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12364     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12365     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12366   }
12367
12368   return MV_NONE;
12369 }
12370
12371 static int getTubeFromOpenDirection(int direction)
12372 {
12373   switch (direction)
12374   {
12375     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12376     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12377     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12378     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12379     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12380     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12381     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12382     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12383     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12384     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12385     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12386
12387     // if only one direction, fall back to simple tube with that direction
12388     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12389     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12390     case (MV_UP):                       return EL_TUBE_VERTICAL;
12391     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12392   }
12393
12394   return EL_EMPTY;
12395 }
12396
12397 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12398 {
12399   int element_new = getTubeFromOpenDirection(direction);
12400
12401   return (element_new != EL_EMPTY ? element_new : element_old);
12402 }
12403
12404 static int getOpenDirectionFromBelt(int element)
12405 {
12406   int belt_dir = getBeltDirFromBeltElement(element);
12407
12408   return (belt_dir == MV_LEFT ? MV_RIGHT :
12409           belt_dir == MV_RIGHT ? MV_LEFT :
12410           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12411 }
12412
12413 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12414 {
12415   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12416                   direction == MV_RIGHT ? MV_LEFT :
12417                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12418
12419   if (direction == MV_NONE)
12420     return EL_EMPTY;
12421
12422   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12423 }
12424
12425 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12426                                                  int element_old)
12427 {
12428   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12429
12430   return (element_new != EL_EMPTY ? element_new : element_old);
12431 }
12432
12433 static int getOpenDirectionFromPool(int element)
12434 {
12435   switch (element)
12436   {
12437     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12438     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12439     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12440     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12441     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12442     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12443   }
12444
12445   return MV_NONE;
12446 }
12447
12448 static int getPoolFromOpenDirection(int direction)
12449 {
12450   switch (direction)
12451   {
12452     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12453     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12454     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12455     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12456     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12457     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12458   }
12459
12460   return EL_EMPTY;
12461 }
12462
12463 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12464 {
12465   int element = getPoolFromOpenDirection(direction);
12466   int help_direction = getOpenDirectionFromPool(help_element);
12467
12468   if (element == EL_EMPTY)
12469   {
12470     int help_direction_vertical = help_direction & MV_VERTICAL;
12471
12472     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12473   }
12474
12475   if (element == EL_EMPTY)
12476   {
12477     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12478
12479     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12480   }
12481
12482   return element;
12483 }
12484
12485 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12486 {
12487   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12488
12489   return (element_new != EL_EMPTY ? element_new : element_old);
12490 }
12491
12492 static int getOpenDirectionFromPillar(int element)
12493 {
12494   switch (element)
12495   {
12496     case EL_EMC_WALL_1:                 return (MV_DOWN);
12497     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12498     case EL_EMC_WALL_3:                 return (MV_UP);
12499   }
12500
12501   return MV_NONE;
12502 }
12503
12504 static int getPillarFromOpenDirection(int direction)
12505 {
12506   switch (direction)
12507   {
12508     case (MV_DOWN):                     return EL_EMC_WALL_1;
12509     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12510     case (MV_UP):                       return EL_EMC_WALL_3;
12511   }
12512
12513   return EL_EMPTY;
12514 }
12515
12516 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12517 {
12518   int element_new = getPillarFromOpenDirection(direction);
12519
12520   return (element_new != EL_EMPTY ? element_new : element_old);
12521 }
12522
12523 static int getOpenDirectionFromSteel2(int element)
12524 {
12525   switch (element)
12526   {
12527     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12528     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12529     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12530     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12531     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12532     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12533     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12534     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12535   }
12536
12537   return MV_NONE;
12538 }
12539
12540 static int getSteel2FromOpenDirection(int direction)
12541 {
12542   switch (direction)
12543   {
12544     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12545     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12546     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12547     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12548     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12549     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12550     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12551     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12552   }
12553
12554   return EL_EMPTY;
12555 }
12556
12557 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12558 {
12559   int element_new = getSteel2FromOpenDirection(direction);
12560
12561   return (element_new != EL_EMPTY ? element_new : element_old);
12562 }
12563
12564 static int getOpenDirectionFromChip(int element)
12565 {
12566   switch (element)
12567   {
12568     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12569     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12570     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12571     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12572     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12573   }
12574
12575   return MV_NONE;
12576 }
12577
12578 static int getChipFromOpenDirection(int direction)
12579 {
12580   switch (direction)
12581   {
12582     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12583     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12584     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12585     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12586     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12587   }
12588
12589   return EL_EMPTY;
12590 }
12591
12592 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12593 {
12594   int element_new = getChipFromOpenDirection(direction);
12595
12596   return (element_new != EL_EMPTY ? element_new : element_old);
12597 }
12598
12599 static int getClosedTube(int x, int y)
12600 {
12601   struct XY *xy = xy_directions;
12602   int element_old = IntelliDrawBuffer[x][y];
12603   int direction_old = getOpenDirectionFromTube(element_old);
12604   int direction_new = MV_NONE;
12605   int i;
12606
12607   for (i = 0; i < NUM_DIRECTIONS; i++)
12608   {
12609     int xx = x + xy[i].x;
12610     int yy = y + xy[i].y;
12611     int dir = MV_DIR_FROM_BIT(i);
12612     int dir_opposite = MV_DIR_OPPOSITE(dir);
12613
12614     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12615         (direction_old & dir) &&
12616         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12617       direction_new |= dir;
12618   }
12619
12620   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12621 }
12622
12623 static int getClosedBelt(int x, int y)
12624 {
12625   struct XY *xy = xy_directions;
12626   int element_old = IntelliDrawBuffer[x][y];
12627   int nr = getBeltNrFromBeltElement(element_old);
12628   int direction_old = getOpenDirectionFromBelt(element_old);
12629   int direction_new = MV_NONE;
12630   int i;
12631
12632   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12633   {
12634     int xx = x + xy[i].x;
12635     int yy = y + xy[i].y;
12636     int dir = MV_DIR_FROM_BIT(i);
12637     int dir_opposite = MV_DIR_OPPOSITE(dir);
12638
12639     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12640         (direction_old & dir) &&
12641         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12642       direction_new |= dir;
12643   }
12644
12645   return getBeltFromNrAndOpenDirection(nr, direction_new);
12646 }
12647
12648 static int getClosedPool(int x, int y)
12649 {
12650   struct XY *xy = xy_directions;
12651   int element_old = IntelliDrawBuffer[x][y];
12652   int direction_old = getOpenDirectionFromPool(element_old);
12653   int direction_new = MV_NONE;
12654   int i;
12655
12656   for (i = 0; i < NUM_DIRECTIONS; i++)
12657   {
12658     int xx = x + xy[i].x;
12659     int yy = y + xy[i].y;
12660     int dir = MV_DIR_FROM_BIT(i);
12661     int dir_opposite = MV_DIR_OPPOSITE(dir);
12662
12663     if (IN_LEV_FIELD(xx, yy) &&
12664         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12665         (direction_old & dir) &&
12666         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12667       direction_new |= dir;
12668   }
12669
12670   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12671 }
12672
12673 static int getClosedPillar(int x, int y)
12674 {
12675   struct XY *xy = xy_directions;
12676   int element_old = IntelliDrawBuffer[x][y];
12677   int direction_old = getOpenDirectionFromPillar(element_old);
12678   int direction_new = MV_NONE;
12679   int i;
12680
12681   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12682   {
12683     int xx = x + xy[i].x;
12684     int yy = y + xy[i].y;
12685     int dir = MV_DIR_FROM_BIT(i);
12686     int dir_opposite = MV_DIR_OPPOSITE(dir);
12687
12688     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12689         (direction_old & dir) &&
12690         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12691       direction_new |= dir;
12692   }
12693
12694   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12695 }
12696
12697 static int getClosedSteel2(int x, int y)
12698 {
12699   struct XY *xy = xy_directions;
12700   int element_old = IntelliDrawBuffer[x][y];
12701   int direction_old = getOpenDirectionFromSteel2(element_old);
12702   int direction_new = MV_NONE;
12703   int i;
12704
12705   for (i = 0; i < NUM_DIRECTIONS; i++)
12706   {
12707     int xx = x + xy[i].x;
12708     int yy = y + xy[i].y;
12709     int dir = MV_DIR_FROM_BIT(i);
12710     int dir_opposite = MV_DIR_OPPOSITE(dir);
12711
12712     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12713         (direction_old & dir) &&
12714         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12715       direction_new |= dir;
12716   }
12717
12718   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12719 }
12720
12721 static int getClosedChip(int x, int y)
12722 {
12723   struct XY *xy = xy_directions;
12724   int element_old = IntelliDrawBuffer[x][y];
12725   int direction_old = getOpenDirectionFromChip(element_old);
12726   int direction_new = MV_NONE;
12727   int i;
12728
12729   for (i = 0; i < NUM_DIRECTIONS; i++)
12730   {
12731     int xx = x + xy[i].x;
12732     int yy = y + xy[i].y;
12733     int dir = MV_DIR_FROM_BIT(i);
12734     int dir_opposite = MV_DIR_OPPOSITE(dir);
12735
12736     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12737         (direction_old & dir) &&
12738         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12739       direction_new |= dir;
12740   }
12741
12742   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12743 }
12744
12745 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12746                                 boolean change_level)
12747 {
12748   int sx = x - level_xpos;
12749   int sy = y - level_ypos;
12750   int old_element = Tile[x][y];
12751   int new_element = element;
12752   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12753   boolean draw_masked = FALSE;
12754
12755   if (IS_MM_WALL_EDITOR(element))
12756   {
12757     element = map_mm_wall_element_editor(element) | new_bitmask;
12758
12759     if (IS_MM_WALL(old_element))
12760       element |= MM_WALL_BITS(old_element);
12761
12762     if (!change_level)
12763       draw_masked = TRUE;
12764   }
12765   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12766   {
12767     int element_changed = old_element & ~new_bitmask;
12768
12769     if (MM_WALL_BITS(element_changed) != 0)
12770       element = element_changed;
12771   }
12772
12773   IntelliDrawBuffer[x][y] = element;
12774
12775   if (change_level)
12776     Tile[x][y] = element;
12777
12778   if (IN_ED_FIELD(sx, sy))
12779   {
12780     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12781       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12782     else if (draw_masked)
12783       DrawEditorElementThruMask(sx, sy, element);
12784     else
12785       DrawEditorElement(sx, sy, element);
12786   }
12787 }
12788
12789 static void SetElementSimple(int x, int y, int element, boolean change_level)
12790 {
12791   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12792 }
12793
12794 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12795                                            int x2, int y2, int *element2,
12796                                            int (*close_function)(int, int),
12797                                            boolean change_level)
12798 {
12799   // set neighbour elements to newly determined connections
12800   SetElementSimple(x1, y1, *element1, change_level);
12801   SetElementSimple(x2, y2, *element2, change_level);
12802
12803   // remove all open connections of neighbour elements
12804   *element1 = close_function(x1, y1);
12805   *element2 = close_function(x2, y2);
12806
12807   // set neighbour elements to new, minimized connections
12808   SetElementSimple(x1, y1, *element1, change_level);
12809   SetElementSimple(x2, y2, *element2, change_level);
12810 }
12811
12812 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12813                                   boolean change_level, int button)
12814 {
12815   struct XY *xy = xy_directions;
12816   static int last_x = -1;
12817   static int last_y = -1;
12818
12819   if (new_element == EL_UNDEFINED)
12820   {
12821     last_x = -1;
12822     last_y = -1;
12823
12824     return;
12825   }
12826
12827   int old_element = IntelliDrawBuffer[x][y];
12828
12829   if (IS_TUBE(new_element))
12830   {
12831     int last_element_new = EL_UNDEFINED;
12832     int direction = MV_NONE;
12833     int i;
12834
12835     // if old element is of same kind, keep all existing directions
12836     if (IS_TUBE(old_element))
12837       direction |= getOpenDirectionFromTube(old_element);
12838
12839     for (i = 0; i < NUM_DIRECTIONS; i++)
12840     {
12841       int xx = x + xy[i].x;
12842       int yy = y + xy[i].y;
12843
12844       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12845           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12846       {
12847         int dir = MV_DIR_FROM_BIT(i);
12848         int dir_opposite = MV_DIR_OPPOSITE(dir);
12849         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12850         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12851         int last_direction_new = last_direction_old | dir_opposite;
12852
12853         last_element_new = getTubeFromOpenDirection(last_direction_new);
12854
12855         direction |= dir;
12856       }
12857     }
12858
12859     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12860
12861     if (last_element_new != EL_UNDEFINED)
12862       MergeAndCloseNeighbourElements(x, y, &new_element,
12863                                      last_x, last_y, &last_element_new,
12864                                      getClosedTube, change_level);
12865   }
12866   else if (IS_BELT(new_element))
12867   {
12868     int belt_nr = getBeltNrFromBeltElement(new_element);
12869     int last_element_new = EL_UNDEFINED;
12870     int direction = MV_NONE;
12871     int i;
12872
12873     // if old element is of same kind, keep all existing directions
12874     if (IS_BELT(old_element))
12875       direction |= getOpenDirectionFromBelt(old_element);
12876
12877     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12878     {
12879       int xx = x + xy[i].x;
12880       int yy = y + xy[i].y;
12881
12882       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12883           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12884       {
12885         int dir = MV_DIR_FROM_BIT(i);
12886         int dir_opposite = MV_DIR_OPPOSITE(dir);
12887         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12888         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12889         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12890         int last_direction_new = last_direction_old | dir_opposite;
12891
12892         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12893                                                          last_direction_new);
12894         direction |= dir;
12895       }
12896     }
12897
12898     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12899                                                         new_element);
12900     if (last_element_new != EL_UNDEFINED)
12901       MergeAndCloseNeighbourElements(x, y, &new_element,
12902                                      last_x, last_y, &last_element_new,
12903                                      getClosedBelt, change_level);
12904   }
12905   else if (IS_ACID_POOL_OR_ACID(new_element))
12906   {
12907     int last_element_new = EL_UNDEFINED;
12908     int direction = MV_NONE;
12909     int i;
12910
12911     // if old element is of same kind, keep all existing directions
12912     if (IS_ACID_POOL_OR_ACID(old_element))
12913       direction |= getOpenDirectionFromPool(old_element);
12914
12915     for (i = 0; i < NUM_DIRECTIONS; i++)
12916     {
12917       int xx = x + xy[i].x;
12918       int yy = y + xy[i].y;
12919
12920       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12921           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12922       {
12923         int dir = MV_DIR_FROM_BIT(i);
12924         int dir_opposite = MV_DIR_OPPOSITE(dir);
12925         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12926         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12927         int last_direction_new = last_direction_old | dir_opposite;
12928
12929         last_element_new = getPoolFromOpenDirection(last_direction_new);
12930
12931         direction |= dir;
12932       }
12933     }
12934
12935     // special corrections needed for intuitively correct acid pool drawing
12936     if (last_element_new == EL_EMPTY)
12937       last_element_new = new_element;
12938     else if (last_element_new != EL_UNDEFINED)
12939       new_element = last_element_new;
12940
12941     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12942
12943     if (last_element_new != EL_UNDEFINED)
12944       MergeAndCloseNeighbourElements(x, y, &new_element,
12945                                      last_x, last_y, &last_element_new,
12946                                      getClosedPool, change_level);
12947   }
12948   else if (IS_EMC_PILLAR(new_element))
12949   {
12950     int last_element_new = EL_UNDEFINED;
12951     int direction = MV_NONE;
12952     int i;
12953
12954     // if old element is of same kind, keep all existing directions
12955     if (IS_EMC_PILLAR(old_element))
12956       direction |= getOpenDirectionFromPillar(old_element);
12957
12958     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12959     {
12960       int xx = x + xy[i].x;
12961       int yy = y + xy[i].y;
12962
12963       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12964           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12965       {
12966         int dir = MV_DIR_FROM_BIT(i);
12967         int dir_opposite = MV_DIR_OPPOSITE(dir);
12968         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12969         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12970         int last_direction_new = last_direction_old | dir_opposite;
12971
12972         last_element_new = getPillarFromOpenDirection(last_direction_new);
12973
12974         direction |= dir;
12975       }
12976     }
12977
12978     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12979
12980     if (last_element_new != EL_UNDEFINED)
12981       MergeAndCloseNeighbourElements(x, y, &new_element,
12982                                      last_x, last_y, &last_element_new,
12983                                      getClosedPillar, change_level);
12984   }
12985   else if (IS_DC_STEELWALL_2(new_element))
12986   {
12987     int last_element_new = EL_UNDEFINED;
12988     int direction = MV_NONE;
12989     int i;
12990
12991     // if old element is of same kind, keep all existing directions
12992     if (IS_DC_STEELWALL_2(old_element))
12993       direction |= getOpenDirectionFromSteel2(old_element);
12994
12995     for (i = 0; i < NUM_DIRECTIONS; i++)
12996     {
12997       int xx = x + xy[i].x;
12998       int yy = y + xy[i].y;
12999
13000       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13001           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13002       {
13003         int dir = MV_DIR_FROM_BIT(i);
13004         int dir_opposite = MV_DIR_OPPOSITE(dir);
13005         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13006         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13007         int last_direction_new = last_direction_old | dir_opposite;
13008
13009         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13010
13011         direction |= dir;
13012       }
13013     }
13014
13015     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13016
13017     if (last_element_new != EL_UNDEFINED)
13018       MergeAndCloseNeighbourElements(x, y, &new_element,
13019                                      last_x, last_y, &last_element_new,
13020                                      getClosedSteel2, change_level);
13021   }
13022   else if (IS_SP_CHIP(new_element))
13023   {
13024     int last_element_new = EL_UNDEFINED;
13025     int direction = MV_NONE;
13026     int i;
13027
13028     // (do not keep existing directions, regardless of kind of old element)
13029
13030     for (i = 0; i < NUM_DIRECTIONS; i++)
13031     {
13032       int xx = x + xy[i].x;
13033       int yy = y + xy[i].y;
13034
13035       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13036           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13037       {
13038         int dir = MV_DIR_FROM_BIT(i);
13039         int dir_opposite = MV_DIR_OPPOSITE(dir);
13040         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13041         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13042         int last_direction_new = last_direction_old | dir_opposite;
13043
13044         if (last_direction_old == MV_NONE)
13045         {
13046           last_element_new = getChipFromOpenDirection(last_direction_new);
13047           direction |= dir;
13048         }
13049         else if (last_direction_old & (dir | dir_opposite))
13050         {
13051           direction |= MV_DIR_OPPOSITE(last_direction_old);
13052         }
13053         else
13054         {
13055           direction |= MV_DIR_OPPOSITE(dir);
13056         }
13057       }
13058     }
13059
13060     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13061
13062     if (last_element_new != EL_UNDEFINED)
13063       MergeAndCloseNeighbourElements(x, y, &new_element,
13064                                      last_x, last_y, &last_element_new,
13065                                      getClosedChip, change_level);
13066   }
13067   else if (IS_SP_HARDWARE_BASE(new_element))
13068   {
13069     int nr = GetSimpleRandom(6);
13070
13071     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13072                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13073                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13074                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13075                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13076   }
13077   else if (new_element == EL_SP_HARDWARE_GREEN ||
13078            new_element == EL_SP_HARDWARE_BLUE ||
13079            new_element == EL_SP_HARDWARE_RED)
13080   {
13081     int nr = GetSimpleRandom(3);
13082
13083     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13084                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13085   }
13086   else if (IS_GROUP_ELEMENT(new_element))
13087   {
13088     boolean connected_drawing = FALSE;
13089     int i;
13090
13091     for (i = 0; i < NUM_DIRECTIONS; i++)
13092     {
13093       int xx = x + xy[i].x;
13094       int yy = y + xy[i].y;
13095
13096       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13097           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13098         connected_drawing = TRUE;
13099     }
13100
13101     if (!connected_drawing)
13102       ResolveGroupElement(new_element);
13103
13104     new_element = GetElementFromGroupElement(new_element);
13105   }
13106   else if (IS_BELT_SWITCH(old_element))
13107   {
13108     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13109     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13110
13111     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13112                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13113
13114     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13115   }
13116   else
13117   {
13118     static int swappable_elements[][2] =
13119     {
13120       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13121       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13122       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13123       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13124       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13125       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13126       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13127       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13128       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13129       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13130       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13131       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13132       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13133       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13134       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13135       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13136       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13137       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13138       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13139       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13140       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13141       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13142       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13143       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13144       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13145       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13146       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13147       { EL_PEARL,                       EL_WALL_PEARL                   },
13148       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13149       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13150       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13151       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13152       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13153       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13154       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13155       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13156       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13157       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13158       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13159       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13160       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13161       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13162       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13163       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13164
13165       { -1,                             -1                              },
13166     };
13167     static int rotatable_elements_4[][4] =
13168     {
13169       {
13170         EL_BUG_UP,
13171         EL_BUG_RIGHT,
13172         EL_BUG_DOWN,
13173         EL_BUG_LEFT
13174       },
13175       {
13176         EL_SPACESHIP_UP,
13177         EL_SPACESHIP_RIGHT,
13178         EL_SPACESHIP_DOWN,
13179         EL_SPACESHIP_LEFT
13180       },
13181       {
13182         EL_BD_BUTTERFLY_UP,
13183         EL_BD_BUTTERFLY_RIGHT,
13184         EL_BD_BUTTERFLY_DOWN,
13185         EL_BD_BUTTERFLY_LEFT
13186       },
13187       {
13188         EL_BD_FIREFLY_UP,
13189         EL_BD_FIREFLY_RIGHT,
13190         EL_BD_FIREFLY_DOWN,
13191         EL_BD_FIREFLY_LEFT
13192       },
13193       {
13194         EL_PACMAN_UP,
13195         EL_PACMAN_RIGHT,
13196         EL_PACMAN_DOWN,
13197         EL_PACMAN_LEFT
13198       },
13199       {
13200         EL_YAMYAM_UP,
13201         EL_YAMYAM_RIGHT,
13202         EL_YAMYAM_DOWN,
13203         EL_YAMYAM_LEFT
13204       },
13205       {
13206         EL_ARROW_UP,
13207         EL_ARROW_RIGHT,
13208         EL_ARROW_DOWN,
13209         EL_ARROW_LEFT
13210       },
13211       {
13212         EL_SP_PORT_UP,
13213         EL_SP_PORT_RIGHT,
13214         EL_SP_PORT_DOWN,
13215         EL_SP_PORT_LEFT
13216       },
13217       {
13218         EL_SP_GRAVITY_PORT_UP,
13219         EL_SP_GRAVITY_PORT_RIGHT,
13220         EL_SP_GRAVITY_PORT_DOWN,
13221         EL_SP_GRAVITY_PORT_LEFT
13222       },
13223       {
13224         EL_SP_GRAVITY_ON_PORT_UP,
13225         EL_SP_GRAVITY_ON_PORT_RIGHT,
13226         EL_SP_GRAVITY_ON_PORT_DOWN,
13227         EL_SP_GRAVITY_ON_PORT_LEFT
13228       },
13229       {
13230         EL_SP_GRAVITY_OFF_PORT_UP,
13231         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13232         EL_SP_GRAVITY_OFF_PORT_DOWN,
13233         EL_SP_GRAVITY_OFF_PORT_LEFT
13234       },
13235       {
13236         EL_MOLE_UP,
13237         EL_MOLE_RIGHT,
13238         EL_MOLE_DOWN,
13239         EL_MOLE_LEFT
13240       },
13241       {
13242         EL_BALLOON_SWITCH_UP,
13243         EL_BALLOON_SWITCH_RIGHT,
13244         EL_BALLOON_SWITCH_DOWN,
13245         EL_BALLOON_SWITCH_LEFT
13246       },
13247       {
13248         EL_MM_MCDUFFIN_UP,
13249         EL_MM_MCDUFFIN_RIGHT,
13250         EL_MM_MCDUFFIN_DOWN,
13251         EL_MM_MCDUFFIN_LEFT
13252       },
13253       {
13254         EL_MM_MIRROR_FIXED_1,
13255         EL_MM_MIRROR_FIXED_4,
13256         EL_MM_MIRROR_FIXED_3,
13257         EL_MM_MIRROR_FIXED_2
13258       },
13259       {
13260         EL_MM_STEEL_GRID_FIXED_1,
13261         EL_MM_STEEL_GRID_FIXED_4,
13262         EL_MM_STEEL_GRID_FIXED_2,
13263         EL_MM_STEEL_GRID_FIXED_3
13264       },
13265       {
13266         EL_MM_WOODEN_GRID_FIXED_1,
13267         EL_MM_WOODEN_GRID_FIXED_4,
13268         EL_MM_WOODEN_GRID_FIXED_2,
13269         EL_MM_WOODEN_GRID_FIXED_3
13270       },
13271       {
13272         EL_MM_POLARIZER_CROSS_1,
13273         EL_MM_POLARIZER_CROSS_4,
13274         EL_MM_POLARIZER_CROSS_3,
13275         EL_MM_POLARIZER_CROSS_2
13276       },
13277       {
13278         EL_MM_PACMAN_UP,
13279         EL_MM_PACMAN_RIGHT,
13280         EL_MM_PACMAN_DOWN,
13281         EL_MM_PACMAN_LEFT
13282       },
13283       {
13284         EL_DF_LASER_UP,
13285         EL_DF_LASER_RIGHT,
13286         EL_DF_LASER_DOWN,
13287         EL_DF_LASER_LEFT
13288       },
13289       {
13290         EL_DF_RECEIVER_UP,
13291         EL_DF_RECEIVER_RIGHT,
13292         EL_DF_RECEIVER_DOWN,
13293         EL_DF_RECEIVER_LEFT
13294       },
13295       {
13296         EL_DF_SLOPE_1,
13297         EL_DF_SLOPE_4,
13298         EL_DF_SLOPE_3,
13299         EL_DF_SLOPE_2
13300       },
13301
13302       {
13303         -1,
13304       },
13305     };
13306     static int rotatable_elements_8[][8] =
13307     {
13308       {
13309         EL_DF_STEEL_GRID_FIXED_1,
13310         EL_DF_STEEL_GRID_FIXED_8,
13311         EL_DF_STEEL_GRID_FIXED_7,
13312         EL_DF_STEEL_GRID_FIXED_6,
13313         EL_DF_STEEL_GRID_FIXED_5,
13314         EL_DF_STEEL_GRID_FIXED_4,
13315         EL_DF_STEEL_GRID_FIXED_3,
13316         EL_DF_STEEL_GRID_FIXED_2
13317       },
13318       {
13319         EL_DF_WOODEN_GRID_FIXED_1,
13320         EL_DF_WOODEN_GRID_FIXED_8,
13321         EL_DF_WOODEN_GRID_FIXED_7,
13322         EL_DF_WOODEN_GRID_FIXED_6,
13323         EL_DF_WOODEN_GRID_FIXED_5,
13324         EL_DF_WOODEN_GRID_FIXED_4,
13325         EL_DF_WOODEN_GRID_FIXED_3,
13326         EL_DF_WOODEN_GRID_FIXED_2
13327       },
13328       {
13329         EL_DF_STEEL_GRID_ROTATING_1,
13330         EL_DF_STEEL_GRID_ROTATING_8,
13331         EL_DF_STEEL_GRID_ROTATING_7,
13332         EL_DF_STEEL_GRID_ROTATING_6,
13333         EL_DF_STEEL_GRID_ROTATING_5,
13334         EL_DF_STEEL_GRID_ROTATING_4,
13335         EL_DF_STEEL_GRID_ROTATING_3,
13336         EL_DF_STEEL_GRID_ROTATING_2
13337       },
13338       {
13339         EL_DF_WOODEN_GRID_ROTATING_1,
13340         EL_DF_WOODEN_GRID_ROTATING_8,
13341         EL_DF_WOODEN_GRID_ROTATING_7,
13342         EL_DF_WOODEN_GRID_ROTATING_6,
13343         EL_DF_WOODEN_GRID_ROTATING_5,
13344         EL_DF_WOODEN_GRID_ROTATING_4,
13345         EL_DF_WOODEN_GRID_ROTATING_3,
13346         EL_DF_WOODEN_GRID_ROTATING_2
13347       },
13348
13349       {
13350         -1,
13351       },
13352     };
13353     static int rotatable_elements_16[][16] =
13354     {
13355       {
13356         EL_MM_MIRROR_1,
13357         EL_MM_MIRROR_16,
13358         EL_MM_MIRROR_15,
13359         EL_MM_MIRROR_14,
13360         EL_MM_MIRROR_13,
13361         EL_MM_MIRROR_12,
13362         EL_MM_MIRROR_11,
13363         EL_MM_MIRROR_10,
13364         EL_MM_MIRROR_9,
13365         EL_MM_MIRROR_8,
13366         EL_MM_MIRROR_7,
13367         EL_MM_MIRROR_6,
13368         EL_MM_MIRROR_5,
13369         EL_MM_MIRROR_4,
13370         EL_MM_MIRROR_3,
13371         EL_MM_MIRROR_2
13372       },
13373       {
13374         EL_MM_TELEPORTER_5,
13375         EL_MM_TELEPORTER_4,
13376         EL_MM_TELEPORTER_3,
13377         EL_MM_TELEPORTER_2,
13378         EL_MM_TELEPORTER_1,
13379         EL_MM_TELEPORTER_16,
13380         EL_MM_TELEPORTER_15,
13381         EL_MM_TELEPORTER_14,
13382         EL_MM_TELEPORTER_13,
13383         EL_MM_TELEPORTER_12,
13384         EL_MM_TELEPORTER_11,
13385         EL_MM_TELEPORTER_10,
13386         EL_MM_TELEPORTER_9,
13387         EL_MM_TELEPORTER_8,
13388         EL_MM_TELEPORTER_7,
13389         EL_MM_TELEPORTER_6
13390       },
13391       {
13392         EL_MM_TELEPORTER_RED_5,
13393         EL_MM_TELEPORTER_RED_4,
13394         EL_MM_TELEPORTER_RED_3,
13395         EL_MM_TELEPORTER_RED_2,
13396         EL_MM_TELEPORTER_RED_1,
13397         EL_MM_TELEPORTER_RED_16,
13398         EL_MM_TELEPORTER_RED_15,
13399         EL_MM_TELEPORTER_RED_14,
13400         EL_MM_TELEPORTER_RED_13,
13401         EL_MM_TELEPORTER_RED_12,
13402         EL_MM_TELEPORTER_RED_11,
13403         EL_MM_TELEPORTER_RED_10,
13404         EL_MM_TELEPORTER_RED_9,
13405         EL_MM_TELEPORTER_RED_8,
13406         EL_MM_TELEPORTER_RED_7,
13407         EL_MM_TELEPORTER_RED_6
13408       },
13409       {
13410         EL_MM_TELEPORTER_YELLOW_5,
13411         EL_MM_TELEPORTER_YELLOW_4,
13412         EL_MM_TELEPORTER_YELLOW_3,
13413         EL_MM_TELEPORTER_YELLOW_2,
13414         EL_MM_TELEPORTER_YELLOW_1,
13415         EL_MM_TELEPORTER_YELLOW_16,
13416         EL_MM_TELEPORTER_YELLOW_15,
13417         EL_MM_TELEPORTER_YELLOW_14,
13418         EL_MM_TELEPORTER_YELLOW_13,
13419         EL_MM_TELEPORTER_YELLOW_12,
13420         EL_MM_TELEPORTER_YELLOW_11,
13421         EL_MM_TELEPORTER_YELLOW_10,
13422         EL_MM_TELEPORTER_YELLOW_9,
13423         EL_MM_TELEPORTER_YELLOW_8,
13424         EL_MM_TELEPORTER_YELLOW_7,
13425         EL_MM_TELEPORTER_YELLOW_6
13426       },
13427       {
13428         EL_MM_TELEPORTER_GREEN_5,
13429         EL_MM_TELEPORTER_GREEN_4,
13430         EL_MM_TELEPORTER_GREEN_3,
13431         EL_MM_TELEPORTER_GREEN_2,
13432         EL_MM_TELEPORTER_GREEN_1,
13433         EL_MM_TELEPORTER_GREEN_16,
13434         EL_MM_TELEPORTER_GREEN_15,
13435         EL_MM_TELEPORTER_GREEN_14,
13436         EL_MM_TELEPORTER_GREEN_13,
13437         EL_MM_TELEPORTER_GREEN_12,
13438         EL_MM_TELEPORTER_GREEN_11,
13439         EL_MM_TELEPORTER_GREEN_10,
13440         EL_MM_TELEPORTER_GREEN_9,
13441         EL_MM_TELEPORTER_GREEN_8,
13442         EL_MM_TELEPORTER_GREEN_7,
13443         EL_MM_TELEPORTER_GREEN_6
13444       },
13445       {
13446         EL_MM_TELEPORTER_BLUE_5,
13447         EL_MM_TELEPORTER_BLUE_4,
13448         EL_MM_TELEPORTER_BLUE_3,
13449         EL_MM_TELEPORTER_BLUE_2,
13450         EL_MM_TELEPORTER_BLUE_1,
13451         EL_MM_TELEPORTER_BLUE_16,
13452         EL_MM_TELEPORTER_BLUE_15,
13453         EL_MM_TELEPORTER_BLUE_14,
13454         EL_MM_TELEPORTER_BLUE_13,
13455         EL_MM_TELEPORTER_BLUE_12,
13456         EL_MM_TELEPORTER_BLUE_11,
13457         EL_MM_TELEPORTER_BLUE_10,
13458         EL_MM_TELEPORTER_BLUE_9,
13459         EL_MM_TELEPORTER_BLUE_8,
13460         EL_MM_TELEPORTER_BLUE_7,
13461         EL_MM_TELEPORTER_BLUE_6
13462       },
13463       {
13464         EL_MM_POLARIZER_1,
13465         EL_MM_POLARIZER_16,
13466         EL_MM_POLARIZER_15,
13467         EL_MM_POLARIZER_14,
13468         EL_MM_POLARIZER_13,
13469         EL_MM_POLARIZER_12,
13470         EL_MM_POLARIZER_11,
13471         EL_MM_POLARIZER_10,
13472         EL_MM_POLARIZER_9,
13473         EL_MM_POLARIZER_8,
13474         EL_MM_POLARIZER_7,
13475         EL_MM_POLARIZER_6,
13476         EL_MM_POLARIZER_5,
13477         EL_MM_POLARIZER_4,
13478         EL_MM_POLARIZER_3,
13479         EL_MM_POLARIZER_2
13480       },
13481       {
13482         EL_DF_MIRROR_1,
13483         EL_DF_MIRROR_16,
13484         EL_DF_MIRROR_15,
13485         EL_DF_MIRROR_14,
13486         EL_DF_MIRROR_13,
13487         EL_DF_MIRROR_12,
13488         EL_DF_MIRROR_11,
13489         EL_DF_MIRROR_10,
13490         EL_DF_MIRROR_9,
13491         EL_DF_MIRROR_8,
13492         EL_DF_MIRROR_7,
13493         EL_DF_MIRROR_6,
13494         EL_DF_MIRROR_5,
13495         EL_DF_MIRROR_4,
13496         EL_DF_MIRROR_3,
13497         EL_DF_MIRROR_2
13498       },
13499       {
13500         EL_DF_MIRROR_ROTATING_1,
13501         EL_DF_MIRROR_ROTATING_16,
13502         EL_DF_MIRROR_ROTATING_15,
13503         EL_DF_MIRROR_ROTATING_14,
13504         EL_DF_MIRROR_ROTATING_13,
13505         EL_DF_MIRROR_ROTATING_12,
13506         EL_DF_MIRROR_ROTATING_11,
13507         EL_DF_MIRROR_ROTATING_10,
13508         EL_DF_MIRROR_ROTATING_9,
13509         EL_DF_MIRROR_ROTATING_8,
13510         EL_DF_MIRROR_ROTATING_7,
13511         EL_DF_MIRROR_ROTATING_6,
13512         EL_DF_MIRROR_ROTATING_5,
13513         EL_DF_MIRROR_ROTATING_4,
13514         EL_DF_MIRROR_ROTATING_3,
13515         EL_DF_MIRROR_ROTATING_2
13516       },
13517       {
13518         EL_DF_MIRROR_FIXED_1,
13519         EL_DF_MIRROR_FIXED_16,
13520         EL_DF_MIRROR_FIXED_15,
13521         EL_DF_MIRROR_FIXED_14,
13522         EL_DF_MIRROR_FIXED_13,
13523         EL_DF_MIRROR_FIXED_12,
13524         EL_DF_MIRROR_FIXED_11,
13525         EL_DF_MIRROR_FIXED_10,
13526         EL_DF_MIRROR_FIXED_9,
13527         EL_DF_MIRROR_FIXED_8,
13528         EL_DF_MIRROR_FIXED_7,
13529         EL_DF_MIRROR_FIXED_6,
13530         EL_DF_MIRROR_FIXED_5,
13531         EL_DF_MIRROR_FIXED_4,
13532         EL_DF_MIRROR_FIXED_3,
13533         EL_DF_MIRROR_FIXED_2
13534       },
13535
13536       {
13537         -1,
13538       },
13539     };
13540     int i, j;
13541
13542     for (i = 0; swappable_elements[i][0] != -1; i++)
13543     {
13544       int element1 = swappable_elements[i][0];
13545       int element2 = swappable_elements[i][1];
13546
13547       if (old_element == element1 || old_element == element2)
13548         new_element = (old_element == element1 ? element2 : element1);
13549     }
13550
13551     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13552     {
13553       for (j = 0; j < 4; j++)
13554       {
13555         int element = rotatable_elements_4[i][j];
13556
13557         if (old_element == element)
13558           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13559                          button == 2 ? rotatable_elements_4[i][0]           :
13560                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13561                          old_element);
13562       }
13563     }
13564
13565     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13566     {
13567       for (j = 0; j < 8; j++)
13568       {
13569         int element = rotatable_elements_8[i][j];
13570
13571         if (old_element == element)
13572           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13573                          button == 2 ? rotatable_elements_8[i][0]           :
13574                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13575                          old_element);
13576       }
13577     }
13578
13579     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13580     {
13581       for (j = 0; j < 16; j++)
13582       {
13583         int element = rotatable_elements_16[i][j];
13584
13585         if (old_element == element)
13586           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13587                          button == 2 ? rotatable_elements_16[i][0]             :
13588                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13589                          old_element);
13590       }
13591     }
13592
13593     if (old_element != new_element)
13594     {
13595       int max_infotext_len = getMaxInfoTextLength();
13596       char infotext[MAX_OUTPUT_LINESIZE + 1];
13597
13598       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13599       infotext[max_infotext_len] = '\0';
13600
13601       ClearEditorGadgetInfoText();
13602
13603       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13604                 infotext);
13605     }
13606   }
13607
13608   if (IS_MM_WALL_EDITOR(new_element))
13609     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13610   else
13611     SetElementSimple(x, y, new_element, change_level);
13612
13613   last_x = x;
13614   last_y = y;
13615 }
13616
13617 static void ResetIntelliDraw(void)
13618 {
13619   int x, y;
13620
13621   for (x = 0; x < lev_fieldx; x++)
13622     for (y = 0; y < lev_fieldy; y++)
13623       IntelliDrawBuffer[x][y] = Tile[x][y];
13624
13625   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13626 }
13627
13628 static boolean draw_mode_hires = FALSE;
13629
13630 static boolean isHiresTileElement(int element)
13631 {
13632   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13633 }
13634
13635 static boolean isHiresDrawElement(int element)
13636 {
13637   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13638 }
13639
13640 static int numHiresTiles(int element)
13641 {
13642   if (IS_MM_WALL(element))
13643     return get_number_of_bits(MM_WALL_BITS(element));
13644
13645   return 1;
13646 }
13647
13648 static void SetDrawModeHiRes(int element)
13649 {
13650   draw_mode_hires =
13651     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13652      isHiresDrawElement(element));
13653 }
13654
13655 static boolean getDrawModeHiRes(void)
13656 {
13657   return draw_mode_hires;
13658 }
13659
13660 static int getLoResScreenPos(int pos)
13661 {
13662   return (getDrawModeHiRes() ? pos / 2 : pos);
13663 }
13664
13665 static int getLoResScreenMod(int pos)
13666 {
13667   return (getDrawModeHiRes() ? pos % 2 : 0);
13668 }
13669
13670 static void SetElementExt(int x, int y, int dx, int dy, int element,
13671                           boolean change_level, int button)
13672 {
13673   if (element < 0)
13674     SetElementSimple(x, y, Tile[x][y], change_level);
13675   else if (GetKeyModState() & KMOD_Shift)
13676     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13677   else
13678     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13679 }
13680
13681 static void SetElement(int x, int y, int element)
13682 {
13683   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13684 }
13685
13686 static void SetElementButton(int x, int y, int dx, int dy, int element,
13687                              int button)
13688 {
13689   SetElementExt(x, y, dx, dy, element, TRUE, button);
13690 }
13691
13692 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13693 {
13694   int lx = getLoResScreenPos(sx2) + level_xpos;
13695   int ly = getLoResScreenPos(sy2) + level_ypos;
13696   int dx = getLoResScreenMod(sx2);
13697   int dy = getLoResScreenMod(sy2);
13698
13699   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13700 }
13701
13702 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13703 {
13704   int lx = lx2 / 2;
13705   int ly = ly2 / 2;
13706   int dx = lx2 % 2;
13707   int dy = ly2 % 2;
13708
13709   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13710 }
13711
13712 static int getLevelElementHiRes(int lx2, int ly2)
13713 {
13714   int lx = lx2 / 2;
13715   int ly = ly2 / 2;
13716   int dx = lx2 % 2;
13717   int dy = ly2 % 2;
13718   int element = Tile[lx][ly];
13719   unsigned int bitmask = (dx + 1) << (dy * 2);
13720
13721   if (IS_MM_WALL(element))
13722   {
13723     if (element & bitmask)
13724       return map_mm_wall_element(element);
13725     else
13726       return EL_EMPTY;
13727   }
13728
13729   return element;
13730 }
13731
13732 static void DrawLineElement(int x, int y, int element, boolean change_level)
13733 {
13734   SetElementHiRes(x, y, element, change_level);
13735 }
13736
13737 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13738                      int element, boolean change_level)
13739 {
13740   int xsize = ABS(to_x - from_x);
13741   int ysize = ABS(to_y - from_y);
13742   int dx = (to_x < from_x ? -1 : +1);
13743   int dy = (to_y < from_y ? -1 : +1);
13744   int i;
13745
13746   if (from_y == to_y)                   // horizontal line
13747   {
13748     for (i = 0; i <= xsize; i++)
13749       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13750   }
13751   else if (from_x == to_x)              // vertical line
13752   {
13753     for (i = 0; i <= ysize; i++)
13754       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13755   }
13756   else                                  // diagonal line
13757   {
13758     if (ysize < xsize)                  // a < 1
13759     {
13760       float a = (float)ysize / (float)xsize;
13761
13762       for (i = 0; i <= xsize; i++)
13763       {
13764         int x = dx * i;
13765         int y = dy * (int)(a * i + 0.5);
13766
13767         DrawLineElement(from_x + x, from_y + y, element, change_level);
13768       }
13769     }
13770     else                                // a >= 1
13771     {
13772       float a = (float)xsize / (float)ysize;
13773
13774       for (i = 0; i <= ysize; i++)
13775       {
13776         int x = dx * (int)(a * i + 0.5);
13777         int y = dy * i;
13778
13779         DrawLineElement(from_x + x, from_y + y, element, change_level);
13780       }
13781     }
13782   }
13783 }
13784
13785 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13786                     int element, boolean change_level)
13787 {
13788   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13789   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13790   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13791   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13792 }
13793
13794 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13795                           int element, boolean change_level)
13796 {
13797   int y;
13798
13799   if (from_y > to_y)
13800     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13801
13802   for (y = from_y; y <= to_y; y++)
13803     DrawLine(from_x, y, to_x, y, element, change_level);
13804 }
13805
13806 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13807                        int element, boolean change_level)
13808 {
13809   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13810   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13811   int len_x = ABS(to_x - from_x);
13812   int len_y = ABS(to_y - from_y);
13813   int radius, x, y;
13814
13815   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13816
13817   // not optimal (some points get drawn twice) but simple,
13818   // and fast enough for the few points we are drawing
13819
13820   for (x = 0; x <= radius; x++)
13821   {
13822     int sx, sy, sx2, sy2, lx, ly;
13823
13824     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13825
13826     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13827     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13828     sx = getLoResScreenPos(sx2);
13829     sy = getLoResScreenPos(sy2);
13830     lx = sx + level_xpos;
13831     ly = sy + level_ypos;
13832
13833     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13834       DrawLineElement(sx2, sy2, element, change_level);
13835   }
13836
13837   for (y = 0; y <= radius; y++)
13838   {
13839     int sx, sy, sx2, sy2, lx, ly;
13840
13841     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13842
13843     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13844     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13845     sx = getLoResScreenPos(sx2);
13846     sy = getLoResScreenPos(sy2);
13847     lx = sx + level_xpos;
13848     ly = sy + level_ypos;
13849
13850     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13851       DrawLineElement(sx2, sy2, element, change_level);
13852   }
13853 }
13854
13855 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13856                     int element, boolean change_level)
13857 {
13858   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13859   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13860
13861   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13862 }
13863
13864 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13865
13866 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13867 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13868                        int element, boolean change_level)
13869 {
13870   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13871   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13872   int mirror_to_x2 = from_x - (to_x2 - from_x);
13873   int mirror_to_y2 = from_y - (to_y2 - from_y);
13874
13875   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13876   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13877   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13878   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13879 }
13880 #endif
13881
13882 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13883 {
13884   int from_sx, from_sy;
13885   int to_sx, to_sy;
13886
13887   if (from_x > to_x)
13888     swap_numbers(&from_x, &to_x);
13889
13890   if (from_y > to_y)
13891     swap_numbers(&from_y, &to_y);
13892
13893   from_sx = SX + from_x * ed_tilesize;
13894   from_sy = SY + from_y * ed_tilesize;
13895   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13896   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13897
13898   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13899   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13900   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13901   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13902
13903   if (from_x == to_x && from_y == to_y)
13904     MarkTileDirty(from_x/2, from_y/2);
13905   else
13906     redraw_mask |= REDRAW_FIELD;
13907 }
13908
13909 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13910                         int element, boolean change_level)
13911 {
13912   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13913 }
13914
13915 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13916                        int element, boolean change_level)
13917 {
13918   if (element == -1 || change_level)
13919     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13920   else
13921     DrawAreaBorder(from_x, from_y, to_x, to_y);
13922 }
13923
13924 // values for CopyBrushExt()
13925 #define CB_AREA_TO_BRUSH                0
13926 #define CB_BRUSH_TO_CURSOR              1
13927 #define CB_BRUSH_TO_LEVEL               2
13928 #define CB_DELETE_OLD_CURSOR            3
13929 #define CB_DUMP_BRUSH                   4
13930 #define CB_DUMP_BRUSH_SMALL             5
13931 #define CB_CLIPBOARD_TO_BRUSH           6
13932 #define CB_BRUSH_TO_CLIPBOARD           7
13933 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13934 #define CB_UPDATE_BRUSH_POSITION        9
13935 #define CB_FLIP_BRUSH_X                 10
13936 #define CB_FLIP_BRUSH_Y                 11
13937 #define CB_FLIP_BRUSH_XY                12
13938
13939 #define MAX_CB_PART_SIZE        10
13940 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13941 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13942 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13943                                  MAX_CB_NUM_LINES *     \
13944                                  MAX_CB_PART_SIZE)
13945
13946 static int getFlippedTileExt(int map[], int element)
13947 {
13948   int i;
13949
13950   for (i = 0; map[i] != -1; i++)
13951     if (map[i] == element)
13952       return map[i ^ 1];        // get flipped element by flipping LSB of index
13953
13954   return element;
13955 }
13956
13957 static int getFlippedTileX(int element)
13958 {
13959   int map[] =
13960   {
13961     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13962     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13963     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13964     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13965     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13966     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13967     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13968     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13969     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13970     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13971     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13972     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13973     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13974     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13975     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13976     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13977     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13978     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13979     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13980     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13981     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13982     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13983     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13984     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13985     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13986     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13987     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13988     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13989     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13990     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13991
13992     -1
13993   };
13994
13995   return getFlippedTileExt(map, element);
13996 }
13997
13998 static int getFlippedTileY(int element)
13999 {
14000   int map[] =
14001   {
14002     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14003     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14004     EL_BUG_UP,                          EL_BUG_DOWN,
14005     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14006     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14007     EL_ARROW_UP,                        EL_ARROW_DOWN,
14008     EL_MOLE_UP,                         EL_MOLE_DOWN,
14009     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14010     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14011     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14012     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14013     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14014     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14015     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14016     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14017     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14018     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14019     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14020     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14021     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14022     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14023     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14024     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14025     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14026
14027     -1
14028   };
14029
14030   return getFlippedTileExt(map, element);
14031 }
14032
14033 static int getFlippedTileXY(int element)
14034 {
14035   int map[] =
14036   {
14037     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14038     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14039     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14040     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14041     EL_BUG_LEFT,                        EL_BUG_UP,
14042     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14043     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14044     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14045     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14046     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14047     EL_ARROW_LEFT,                      EL_ARROW_UP,
14048     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14049     EL_MOLE_LEFT,                       EL_MOLE_UP,
14050     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14051     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14052     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14053     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14054     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14055     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14056     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14057     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14058     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14059     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14060     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14061     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14062     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14063     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14064     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14065     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14066     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14067     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14068     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14069     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14070     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14071     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14072     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14073     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14074     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14075     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14076     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14077     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14078     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14079
14080     -1
14081   };
14082
14083   return getFlippedTileExt(map, element);
14084 }
14085
14086 static int getFlippedTile(int element, int mode)
14087 {
14088   if (IS_MM_ELEMENT(element))
14089   {
14090     // get MM game element
14091     element = map_element_RND_to_MM(element);
14092
14093     // get flipped game element
14094     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14095                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14096                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14097                element);
14098
14099     // get RND game element again
14100     element = map_element_MM_to_RND(element);
14101   }
14102   else
14103   {
14104     // get flipped game element
14105     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14106                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14107                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14108                element);
14109   }
14110
14111   return element;
14112 }
14113
14114 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14115 {
14116   // flip tiles
14117   short tile1_flipped = getFlippedTile(*tile1, mode);
14118   short tile2_flipped = getFlippedTile(*tile2, mode);
14119
14120   // swap tiles
14121   *tile1 = tile2_flipped;
14122   *tile2 = tile1_flipped;
14123 }
14124
14125 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14126 {
14127   DrawLineElement(sx, sy, element, change_level);
14128 }
14129
14130 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14131                          int button, int mode)
14132 {
14133   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14134   static int brush_width, brush_height;
14135   static int last_cursor_x = -1, last_cursor_y = -1;
14136   static boolean delete_old_brush = FALSE;
14137   int new_element = BUTTON_ELEMENT(button);
14138   int x, y;
14139
14140   if (mode == CB_DUMP_BRUSH ||
14141       mode == CB_DUMP_BRUSH_SMALL ||
14142       mode == CB_BRUSH_TO_CLIPBOARD ||
14143       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14144   {
14145     if (edit_mode != ED_MODE_DRAWING)
14146       return;
14147
14148     char part[MAX_CB_PART_SIZE + 1] = "";
14149     char text[MAX_CB_TEXT_SIZE + 1] = "";
14150     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14151     int height = (draw_with_brush ? brush_height : lev_fieldy);
14152     char *format = "%s%03d";
14153
14154     for (y = 0; y < height; y++)
14155       for (x = 0; x < width; x++)
14156         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14157           format = "%s%04d";
14158
14159     for (y = 0; y < height; y++)
14160     {
14161       for (x = 0; x < width; x++)
14162       {
14163         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14164         char *prefix = (mode == CB_DUMP_BRUSH ||
14165                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14166
14167         if (element >= NUM_FILE_ELEMENTS)
14168           element = EL_UNKNOWN;
14169
14170         // copy brush to level sketch text buffer for the R'n'D forum:
14171         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14172         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14173         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14174         strcat(text, part);
14175       }
14176
14177       strcat(text, "\n");
14178     }
14179
14180     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14181         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14182       SDL_SetClipboardText(text);
14183     else
14184       Print("%s", text);        // print brush data to console and log file
14185
14186     return;
14187   }
14188
14189   if (mode == CB_CLIPBOARD_TO_BRUSH)
14190   {
14191     if (edit_mode != ED_MODE_DRAWING)
14192       return;
14193
14194     if (!SDL_HasClipboardText())
14195     {
14196       Request("Clipboard is empty!", REQ_CONFIRM);
14197
14198       return;
14199     }
14200
14201     boolean copy_to_brush = (draw_with_brush ||
14202                              drawing_function == GADGET_ID_GRAB_BRUSH);
14203
14204     // this will delete the old brush, if already drawing with a brush
14205     if (copy_to_brush)
14206       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14207
14208     // initialization is required for "odd" (incomplete) clipboard content
14209     for (x = 0; x < MAX_LEV_FIELDX; x++)
14210       for (y = 0; y < MAX_LEV_FIELDY; y++)
14211         brush_buffer[x][y] = EL_EMPTY;
14212
14213     brush_width  = 0;
14214     brush_height = 0;
14215     x = 0;
14216     y = 0;
14217
14218     char *clipboard_text = SDL_GetClipboardText();
14219     char *ptr = clipboard_text;
14220     boolean allow_new_row = FALSE;
14221     boolean stop = FALSE;
14222
14223     while (*ptr && !stop)
14224     {
14225       boolean prefix_found = FALSE;
14226       boolean start_new_row = FALSE;
14227
14228       // level sketch element number prefixes (may be multi-byte characters)
14229       char *prefix_list[] = { "`", "¸" };
14230       int i;
14231
14232       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14233       {
14234         char *prefix = prefix_list[i];
14235
14236         // check if string is large enough for prefix
14237         if (strlen(ptr) < strlen(prefix))
14238         {
14239           stop = TRUE;
14240
14241           break;
14242         }
14243
14244         // check if string starts with prefix
14245         if (strPrefix(ptr, prefix))
14246         {
14247           ptr += strlen(prefix);
14248
14249           prefix_found = TRUE;
14250
14251           break;
14252         }
14253       }
14254
14255       // check if prefix found and followed by (at least) three digits
14256       if (prefix_found &&
14257           strlen(ptr) >= 3 &&
14258           ptr[0] >= '0' && ptr[0] <= '9' &&
14259           ptr[1] >= '0' && ptr[1] <= '9' &&
14260           ptr[2] >= '0' && ptr[2] <= '9')
14261       {
14262         int element = ((ptr[0] - '0') * 100 +
14263                        (ptr[1] - '0') * 10 +
14264                        (ptr[2] - '0'));
14265
14266         ptr += 3;
14267
14268         // level sketch element number might consist of four digits
14269         if (ptr[0] >= '0' && ptr[0] <= '9')
14270         {
14271           element = element * 10 + (ptr[0] - '0');
14272           ptr++;
14273         }
14274
14275         // remap some (historic, now obsolete) elements
14276         element = getMappedElement(element);
14277
14278         if (element >= NUM_FILE_ELEMENTS)
14279           element = EL_UNKNOWN;
14280
14281         brush_buffer[x][y] = element;
14282
14283         brush_width  = MAX(x + 1, brush_width);
14284         brush_height = MAX(y + 1, brush_height);
14285
14286         x++;
14287
14288         if (x >= MAX_LEV_FIELDX)
14289           start_new_row = TRUE;
14290
14291         allow_new_row = TRUE;
14292       }
14293       else
14294       {
14295         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14296           start_new_row = TRUE;
14297
14298         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14299       }
14300
14301       if (start_new_row)
14302       {
14303         x = 0;
14304         y++;
14305
14306         if (y >= MAX_LEV_FIELDY)
14307           stop = TRUE;
14308
14309         allow_new_row = FALSE;
14310       }
14311     }
14312
14313     SDL_free(clipboard_text);
14314
14315     if (brush_width == 0 || brush_height == 0)
14316     {
14317       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14318
14319       return;
14320     }
14321
14322     if (copy_to_brush)
14323     {
14324       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14325       int mx, my;
14326
14327       SDL_GetMouseState(&mx, &my);
14328
14329       // if inside drawing area, activate and draw brush at last mouse position
14330       if (mx >= gi->x && mx < gi->x + gi->width &&
14331           my >= gi->y && my < gi->y + gi->height)
14332         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14333
14334       draw_with_brush = TRUE;
14335     }
14336     else
14337     {
14338       char request[100];
14339
14340       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14341               brush_width, brush_height);
14342
14343       if (!Request(request, REQ_ASK))
14344         return;
14345
14346       for (x = 0; x < MAX_LEV_FIELDX; x++)
14347         for (y = 0; y < MAX_LEV_FIELDY; y++)
14348           Tile[x][y] = brush_buffer[x][y];
14349
14350       lev_fieldx = level.fieldx = brush_width;
14351       lev_fieldy = level.fieldy = brush_height;
14352
14353       boolean use_bd_engine = TRUE;
14354       boolean use_em_engine = TRUE;
14355       boolean use_sp_engine = TRUE;
14356       boolean use_mm_engine = TRUE;
14357
14358       for (x = 0; x < MAX_LEV_FIELDX; x++)
14359       {
14360         for (y = 0; y < MAX_LEV_FIELDY; y++)
14361         {
14362           int element = Tile[x][y];
14363
14364           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14365             use_bd_engine = FALSE;
14366
14367           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14368             use_em_engine = FALSE;
14369
14370           if (!IS_SP_ELEMENT(element))
14371             use_sp_engine = FALSE;
14372
14373           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14374             use_mm_engine = FALSE;
14375         }
14376       }
14377
14378       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14379                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14380                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14381                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14382                                 GAME_ENGINE_TYPE_RND);
14383
14384       // update element selection list
14385       ReinitializeElementList();
14386       ModifyEditorElementList();
14387
14388       SetBorderElement();
14389
14390       DrawEditModeWindow();
14391       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14392     }
14393
14394     return;
14395   }
14396
14397   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14398     return;
14399
14400   if (mode == CB_AREA_TO_BRUSH)
14401   {
14402     int from_lx, from_ly;
14403
14404     if (from_x > to_x)
14405       swap_numbers(&from_x, &to_x);
14406
14407     if (from_y > to_y)
14408       swap_numbers(&from_y, &to_y);
14409
14410     brush_width = to_x - from_x + 1;
14411     brush_height = to_y - from_y + 1;
14412
14413     from_lx = from_x + level_xpos;
14414     from_ly = from_y + level_ypos;
14415
14416     for (y = 0; y < brush_height; y++)
14417     {
14418       for (x = 0; x < brush_width; x++)
14419       {
14420         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14421
14422         if (button != 1)
14423           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14424       }
14425     }
14426
14427     if (button != 1)
14428       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14429
14430     delete_old_brush = FALSE;
14431   }
14432   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14433            mode == CB_BRUSH_TO_LEVEL)
14434   {
14435     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14436     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14437     int cursor_from_x = cursor_x - brush_width / 2;
14438     int cursor_from_y = cursor_y - brush_height / 2;
14439     int border_from_x = cursor_x, border_from_y = cursor_y;
14440     int border_to_x = cursor_x, border_to_y = cursor_y;
14441
14442     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14443       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14444
14445     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14446         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14447     {
14448       delete_old_brush = FALSE;
14449
14450       return;
14451     }
14452
14453     for (y = 0; y < brush_height; y++)
14454     {
14455       for (x = 0; x < brush_width; x++)
14456       {
14457         int sx = cursor_from_x + x;
14458         int sy = cursor_from_y + y;
14459         int lx = sx + level_xpos;
14460         int ly = sy + level_ypos;
14461         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14462         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14463                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14464                        brush_buffer[x][y] : new_element);
14465
14466         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14467         {
14468           if (sx < border_from_x)
14469             border_from_x = sx;
14470           else if (sx > border_to_x)
14471             border_to_x = sx;
14472           if (sy < border_from_y)
14473             border_from_y = sy;
14474           else if (sy > border_to_y)
14475             border_to_y = sy;
14476
14477           DrawBrushElement(sx, sy, element, change_level);
14478         }
14479       }
14480     }
14481
14482     if (mode != CB_DELETE_OLD_CURSOR)
14483       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14484
14485     last_cursor_x = cursor_x;
14486     last_cursor_y = cursor_y;
14487
14488     delete_old_brush = TRUE;
14489   }
14490   else if (mode == CB_FLIP_BRUSH_X)
14491   {
14492     for (y = 0; y < brush_height; y++)
14493       for (x = 0; x < (brush_width + 1) / 2; x++)
14494         SwapFlippedTiles(&brush_buffer[x][y],
14495                          &brush_buffer[brush_width - x - 1][y], mode);
14496
14497     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14498   }
14499   else if (mode == CB_FLIP_BRUSH_Y)
14500   {
14501     for (y = 0; y < (brush_height + 1) / 2; y++)
14502       for (x = 0; x < brush_width; x++)
14503         SwapFlippedTiles(&brush_buffer[x][y],
14504                          &brush_buffer[x][brush_height - y - 1], mode);
14505
14506     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14507   }
14508   else if (mode == CB_FLIP_BRUSH_XY)
14509   {
14510     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14511
14512     for (y = 0; y < MAX(brush_width, brush_height); y++)
14513       for (x = 0; x <= y; x++)
14514         SwapFlippedTiles(&brush_buffer[x][y],
14515                          &brush_buffer[y][x], mode);
14516
14517     swap_numbers(&brush_width, &brush_height);
14518
14519     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14520   }
14521
14522   if (mode == CB_UPDATE_BRUSH_POSITION)
14523   {
14524     last_cursor_x = from_x;
14525     last_cursor_y = from_y;
14526   }
14527 }
14528
14529 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14530                             int button)
14531 {
14532   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14533 }
14534
14535 static void CopyBrushToLevel(int x, int y, int button)
14536 {
14537   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14538 }
14539
14540 static void CopyBrushToCursor(int x, int y)
14541 {
14542   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14543 }
14544
14545 static void UpdateBrushPosition(int x, int y)
14546 {
14547   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14548 }
14549
14550 static void DeleteBrushFromCursor(void)
14551 {
14552   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14553 }
14554
14555 static void FlipBrushX(void)
14556 {
14557   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14558 }
14559
14560 static void FlipBrushY(void)
14561 {
14562   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14563 }
14564
14565 static void RotateBrush(void)
14566 {
14567   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14568   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14569 }
14570
14571 void DumpBrush(void)
14572 {
14573   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14574 }
14575
14576 void DumpBrush_Small(void)
14577 {
14578   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14579 }
14580
14581 void CopyClipboardToBrush(void)
14582 {
14583   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14584 }
14585
14586 void CopyBrushToClipboard(void)
14587 {
14588   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14589 }
14590
14591 void CopyBrushToClipboard_Small(void)
14592 {
14593   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14594 }
14595
14596 void UndoLevelEditorOperation(void)
14597 {
14598   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14599 }
14600
14601 void RedoLevelEditorOperation(void)
14602 {
14603   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14604 }
14605
14606 static void FloodFill(int from_x, int from_y, int fill_element)
14607 {
14608   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14609 }
14610
14611 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14612 {
14613   int from_x = from_sx2 + 2 * level_xpos;
14614   int from_y = from_sy2 + 2 * level_ypos;
14615   int max_fillx = lev_fieldx * 2;
14616   int max_filly = lev_fieldy * 2;
14617   short Fill[max_fillx][max_filly];
14618   int x, y;
14619
14620   for (x = 0; x < max_fillx; x++)
14621     for (y = 0; y < max_filly; y++)
14622       Fill[x][y] = getLevelElementHiRes(x, y);
14623
14624   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14625                     Fill, max_fillx, max_filly);
14626
14627   for (x = 0; x < max_fillx; x++)
14628     for (y = 0; y < max_filly; y++)
14629       if (Fill[x][y] == fill_element)
14630         SetLevelElementHiRes(x, y, Fill[x][y]);
14631 }
14632
14633 // values for DrawLevelText() modes
14634 #define TEXT_INIT               0
14635 #define TEXT_SETCURSOR          1
14636 #define TEXT_WRITECHAR          2
14637 #define TEXT_BACKSPACE          3
14638 #define TEXT_NEWLINE            4
14639 #define TEXT_END                5
14640 #define TEXT_QUERY_TYPING       6
14641
14642 static int DrawLevelText(int sx, int sy, char letter, int mode)
14643 {
14644   static short delete_buffer[MAX_LEV_FIELDX];
14645   static int start_sx;
14646   static int last_sx, last_sy;
14647   static boolean typing = FALSE;
14648   int letter_element;
14649   int lx = 0, ly = 0;
14650
14651   // map lower case letters to upper case and convert special characters
14652   if (letter >= 'a' && letter <= 'z')
14653     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14654   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14655     letter_element = EL_CHAR_AUMLAUT;
14656   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14657     letter_element = EL_CHAR_OUMLAUT;
14658   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14659     letter_element = EL_CHAR_UUMLAUT;
14660   else if (letter == '^')
14661     letter_element = EL_CHAR_COPYRIGHT;
14662   else
14663     letter_element = EL_CHAR_ASCII0 + letter;
14664
14665   if (mode != TEXT_INIT)
14666   {
14667     if (!typing)
14668       return FALSE;
14669
14670     if (mode != TEXT_SETCURSOR)
14671     {
14672       sx = last_sx;
14673       sy = last_sy;
14674     }
14675
14676     lx = last_sx + level_xpos;
14677     ly = last_sy + level_ypos;
14678   }
14679
14680   switch (mode)
14681   {
14682     case TEXT_INIT:
14683       if (typing)
14684         DrawLevelText(0, 0, 0, TEXT_END);
14685
14686       typing = TRUE;
14687       start_sx = sx;
14688       last_sx = sx;
14689       last_sy = sy;
14690       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14691       break;
14692
14693     case TEXT_SETCURSOR:
14694       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14695       DrawAreaBorder(sx, sy, sx, sy);
14696       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14697                      ed_tilesize, ed_tilesize);
14698       last_sx = sx;
14699       last_sy = sy;
14700       break;
14701
14702     case TEXT_WRITECHAR:
14703       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14704       {
14705         if (new_element1 >= EL_STEEL_CHAR_START &&
14706             new_element1 <= EL_STEEL_CHAR_END)
14707           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14708
14709         delete_buffer[sx - start_sx] = Tile[lx][ly];
14710         Tile[lx][ly] = letter_element;
14711
14712         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14713           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14714         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14715           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14716         else
14717           DrawLevelText(0, 0, 0, TEXT_END);
14718
14719         level.changed = TRUE;
14720       }
14721       break;
14722
14723     case TEXT_BACKSPACE:
14724       if (sx > start_sx)
14725       {
14726         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14727         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14728         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14729       }
14730       break;
14731
14732     case TEXT_NEWLINE:
14733       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14734         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14735       else
14736         DrawLevelText(0, 0, 0, TEXT_END);
14737       break;
14738
14739     case TEXT_END:
14740       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14741       DrawEditorElement(sx, sy, Tile[lx][ly]);
14742       StopTextInput();
14743       typing = FALSE;
14744       break;
14745
14746     case TEXT_QUERY_TYPING:
14747       break;
14748
14749     default:
14750       break;
14751   }
14752
14753   return typing;
14754 }
14755
14756 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14757                           int element, boolean change_level)
14758 {
14759   int lx = sx + level_xpos;
14760   int ly = sy + level_ypos;
14761
14762   if (element == -1)
14763     DrawEditorElement(sx, sy, Tile[lx][ly]);
14764   else
14765     DrawAreaBorder(sx, sy, sx, sy);
14766 }
14767
14768 static void CheckLevelBorderElement(boolean redraw_playfield)
14769 {
14770   int last_border_element = BorderElement;
14771
14772   SetBorderElement();
14773
14774   if (redraw_playfield && BorderElement != last_border_element)
14775     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14776 }
14777
14778 static void CopyLevelToUndoBuffer(int mode)
14779 {
14780   static boolean accumulated_undo = FALSE;
14781   boolean new_undo_buffer_position = TRUE;
14782   int x, y;
14783
14784   if (undo_buffer_steps == 0)
14785     accumulated_undo = FALSE;
14786
14787   switch (mode)
14788   {
14789     case UNDO_IMMEDIATE:
14790       accumulated_undo = FALSE;
14791       break;
14792
14793     case UNDO_ACCUMULATE:
14794       if (accumulated_undo)
14795         new_undo_buffer_position = FALSE;
14796       accumulated_undo = TRUE;
14797       break;
14798
14799     default:
14800       break;
14801   }
14802
14803   if (new_undo_buffer_position)
14804   {
14805     // advance position in undo buffer ring
14806     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14807
14808     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14809       undo_buffer_steps++;
14810   }
14811
14812   // always reset redo buffer when storing level change into undo buffer
14813   redo_buffer_steps = 0;
14814
14815   for (x = 0; x < lev_fieldx; x++)
14816     for (y = 0; y < lev_fieldy; y++)
14817       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14818
14819   // check if drawing operation forces change of border style
14820   CheckLevelBorderElement(TRUE);
14821
14822   level.changed = TRUE;
14823 }
14824
14825 static void RandomPlacement(int new_element)
14826 {
14827   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14828   int num_free_positions = 0;
14829   int num_percentage, num_elements;
14830   int x, y;
14831
14832   ResetIntelliDraw();
14833
14834   // determine number of free positions for randomly placing the new element
14835   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14836   {
14837     free_position[x][y] =
14838       (random_placement_background_restricted ?
14839        Tile[x][y] == random_placement_background_element :
14840        Tile[x][y] != new_element);
14841
14842     if (free_position[x][y])
14843       num_free_positions++;
14844   }
14845
14846   // determine number of new elements to place there
14847   num_percentage = num_free_positions * random_placement_value / 100;
14848   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14849                   num_percentage : random_placement_value);
14850
14851   // if less free positions than elements to place, fill all these positions
14852   if (num_free_positions < num_elements)
14853   {
14854     for (x = 0; x < lev_fieldx; x++)
14855       for (y = 0; y < lev_fieldy; y++)
14856         if (free_position[x][y])
14857           SetElement(x, y, new_element);
14858   }
14859   else
14860   {
14861     while (num_elements > 0)
14862     {
14863       x = GetSimpleRandom(lev_fieldx);
14864       y = GetSimpleRandom(lev_fieldy);
14865
14866       // don't place element at the same position twice
14867       if (free_position[x][y])
14868       {
14869         free_position[x][y] = FALSE;
14870         SetElement(x, y, new_element);
14871         num_elements--;
14872       }
14873     }
14874   }
14875
14876   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14877   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14878 }
14879
14880 static void WrapLevel(int dx, int dy)
14881 {
14882   int wrap_dx = lev_fieldx - dx;
14883   int wrap_dy = lev_fieldy - dy;
14884   int x, y;
14885
14886   for (x = 0; x < lev_fieldx; x++)
14887     for (y = 0; y < lev_fieldy; y++)
14888       TileBackup[x][y] = Tile[x][y];
14889
14890   for (x = 0; x < lev_fieldx; x++)
14891     for (y = 0; y < lev_fieldy; y++)
14892       Tile[x][y] =
14893         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14894
14895   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14896   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14897 }
14898
14899 static void DrawAreaElementHighlight(boolean highlighted,
14900                                      boolean highlighted_similar)
14901 {
14902   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14903
14904   if (!highlighted)
14905     return;
14906
14907   int x, y;
14908
14909   for (x = 0; x < ed_fieldx; x++)
14910   {
14911     for (y = 0; y < ed_fieldy; y++)
14912     {
14913       boolean highlight = FALSE;
14914       int lx = x + level_xpos;
14915       int ly = y + level_ypos;
14916
14917       if (!IN_LEV_FIELD(lx, ly))
14918         continue;
14919
14920       // check if element is the same
14921       if (Tile[lx][ly] == new_element1)
14922         highlight = TRUE;
14923
14924       // check if element is similar
14925       if (highlighted_similar &&
14926           strEqual(element_info[Tile[lx][ly]].class_name,
14927                    element_info[new_element1].class_name))
14928         highlight = TRUE;
14929
14930       // check if element is matching MM style wall
14931       if (IS_MM_WALL(Tile[lx][ly]) &&
14932           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14933         highlight = TRUE;
14934
14935       if (!highlight)
14936         continue;
14937
14938       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14939       {
14940         int i;
14941
14942         for (i = 0; i < 4; i++)
14943         {
14944           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14945             continue;
14946
14947           int xx = x * 2 + (i % 2);
14948           int yy = y * 2 + (i / 2);
14949           int sx = SX + xx * ed_tilesize / 2;
14950           int sy = SY + yy * ed_tilesize / 2;
14951           int from_sx = sx;
14952           int from_sy = sy;
14953           int to_sx = sx + ed_tilesize / 2 - 1;
14954           int to_sy = sy + ed_tilesize / 2 - 1;
14955
14956           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14957           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14958           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14959           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14960         }
14961       }
14962       else
14963       {
14964         int sx = SX + x * ed_tilesize;
14965         int sy = SY + y * ed_tilesize;
14966         int from_sx = sx;
14967         int from_sy = sy;
14968         int to_sx = sx + ed_tilesize - 1;
14969         int to_sy = sy + ed_tilesize - 1;
14970
14971         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14972         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14973         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14974         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14975       }
14976     }
14977   }
14978 }
14979
14980 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14981 {
14982   char *template_filename_old = getLocalLevelTemplateFilename();
14983   char *template_filename_new =
14984     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14985
14986   if (copyFile(template_filename_old, template_filename_new) != 0)
14987     Request("Cannot copy level template!", REQ_CONFIRM);
14988
14989   free(template_filename_new);
14990 }
14991
14992 static void HandleDrawingAreas(struct GadgetInfo *gi)
14993 {
14994   static boolean started_inside_drawing_area = FALSE;
14995   static int last_sx = -1;
14996   static int last_sy = -1;
14997   static int last_sx2 = -1;
14998   static int last_sy2 = -1;
14999   int id = gi->custom_id;
15000   int type_id = gi->custom_type_id;
15001   boolean button_press_event;
15002   boolean button_release_event;
15003   boolean inside_drawing_area = !gi->event.off_borders;
15004   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15005   int actual_drawing_function;
15006   int button = gi->event.button;
15007   int new_element = BUTTON_ELEMENT(button);
15008   int sx = gi->event.x, sy = gi->event.y;
15009   int min_sx = 0, min_sy = 0;
15010   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15011   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15012   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15013   int sx2 = gi->event.mx / mini_item_xsize;
15014   int sy2 = gi->event.my / mini_item_ysize;
15015   int dx = sx2 % 2;
15016   int dy = sy2 % 2;
15017   int lx = 0, ly = 0;
15018   int x, y;
15019
15020   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15021   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15022
15023   // make sure to stay inside drawing area boundaries
15024   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15025   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15026
15027   if (draw_level)
15028   {
15029     int min_lx = 0, min_ly = 0;
15030     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15031
15032     // get positions inside level field
15033     lx = sx + level_xpos;
15034     ly = sy + level_ypos;
15035
15036     if (!IN_LEV_FIELD(lx, ly))
15037       inside_drawing_area = FALSE;
15038
15039     // make sure to stay inside level field boundaries
15040     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15041     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15042
15043     // correct drawing area positions accordingly
15044     sx = lx - level_xpos;
15045     sy = ly - level_ypos;
15046   }
15047
15048   // also correct MM wall-sized (double) drawing area positions accordingly
15049   if (sx2 / 2 < sx || sx2 / 2 > sx)
15050   {
15051     dx = (sx2 / 2 < sx ? 0 : 1);
15052     sx2 = sx * 2 + dx;
15053   }
15054   if (sy2 / 2 < sy || sy2 / 2 > sy)
15055   {
15056     dy = (sy2 / 2 < sy ? 0 : 1);
15057     sy2 = sy * 2 + dy;
15058   }
15059
15060   if (!button_press_event && !button_release_event)
15061   {
15062     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15063     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15064                              isHiresTileElement(old_element) &&
15065                              isHiresDrawElement(new_element));
15066
15067     // prevent handling events for every pixel position when moving mouse
15068     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15069         (sx2 == last_sx2 && sy2 == last_sy2))
15070       return;
15071   }
15072
15073   last_sx = sx;
15074   last_sy = sy;
15075   last_sx2 = sx2;
15076   last_sy2 = sy2;
15077
15078   if (button_press_event)
15079     started_inside_drawing_area = inside_drawing_area;
15080
15081   if (!started_inside_drawing_area)
15082     return;
15083
15084   if (!IS_VALID_BUTTON(button))
15085     return;
15086
15087   // handle info callback for each invocation of action callback
15088   gi->callback_info(gi);
15089
15090   // automatically switch to 'single item' drawing mode, if needed
15091   actual_drawing_function =
15092     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15093      drawing_function : GADGET_ID_SINGLE_ITEMS);
15094
15095   // clicking into drawing area with pressed Control key picks element
15096   if (GetKeyModState() & KMOD_Control)
15097   {
15098     last_drawing_function = drawing_function;
15099     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15100   }
15101
15102   if (GetKeyModState() & KMOD_Shift)
15103   {
15104     if (button_press_event || button_release_event)
15105       ResetIntelliDraw();
15106   }
15107
15108   SetDrawModeHiRes(-1);         // reset to normal draw mode
15109
15110   switch (actual_drawing_function)
15111   {
15112     case GADGET_ID_SINGLE_ITEMS:
15113       if (draw_level)
15114       {
15115         if (button_release_event)
15116         {
15117           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15118
15119           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15120               !inside_drawing_area)
15121             DeleteBrushFromCursor();
15122
15123           break;
15124         }
15125
15126         if (draw_with_brush)
15127         {
15128           CopyBrushToLevel(sx, sy, button);
15129         }
15130         else
15131         {
15132           SetDrawModeHiRes(new_element);
15133
15134           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15135           {
15136             // remove player at old position
15137             for (y = 0; y < lev_fieldy; y++)
15138             {
15139               for (x = 0; x < lev_fieldx; x++)
15140               {
15141                 int old_element = Tile[x][y];
15142
15143                 if (IS_PLAYER_ELEMENT(old_element) &&
15144                     IS_PLAYER_ELEMENT(new_element))
15145                 {
15146                   int replaced_with_element =
15147                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15148                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15149
15150                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15151                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15152
15153                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15154                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15155
15156                      new_element >= EL_PLAYER_1 &&
15157                      new_element <= EL_PLAYER_4 &&
15158                      new_element == old_element ? EL_EMPTY :
15159
15160                      old_element);
15161
15162                   SetElement(x, y, replaced_with_element);
15163                 }
15164                 else if (IS_MM_MCDUFFIN(old_element) &&
15165                          IS_MM_MCDUFFIN(new_element))
15166                 {
15167                   // remove McDuffin at old position
15168                   SetElement(x, y, EL_EMPTY);
15169                 }
15170               }
15171             }
15172           }
15173
15174           SetElementButton(lx, ly, dx, dy, new_element, button);
15175         }
15176       }
15177       else if (!button_release_event)
15178       {
15179         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15180
15181         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15182           DrawMiniGraphicExt(drawto,
15183                              gi->x + sx * MINI_TILEX,
15184                              gi->y + sy * MINI_TILEY,
15185                              el2edimg(new_element));
15186         else
15187           DrawFixedGraphicExt(drawto,
15188                               gi->x + sx * TILEX,
15189                               gi->y + sy * TILEY,
15190                               el2edimg(new_element), 0);
15191
15192         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15193           new_element = GFX_ELEMENT(new_element);
15194
15195         drawingarea_info[type_id].value[pos] = new_element;
15196
15197         CopyElementPropertiesToGame(properties_element);
15198
15199         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15200         {
15201           UpdateCustomElementGraphicGadgets();
15202
15203           FrameCounter = 0;     // restart animation frame counter
15204         }
15205       }
15206       break;
15207
15208     case GADGET_ID_CONNECTED_ITEMS:
15209       {
15210         static int last_sx = -1;
15211         static int last_sy = -1;
15212
15213         if (button_release_event)
15214           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15215
15216         SetDrawModeHiRes(new_element);
15217
15218         if (getDrawModeHiRes())
15219         {
15220           sx = sx2;
15221           sy = sy2;
15222         }
15223
15224         if (!button_press_event)
15225           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15226
15227         last_sx = sx;
15228         last_sy = sy;
15229       }
15230       break;
15231
15232     case GADGET_ID_LINE:
15233     case GADGET_ID_ARC:
15234     case GADGET_ID_RECTANGLE:
15235     case GADGET_ID_FILLED_BOX:
15236       SetDrawModeHiRes(new_element);
15237
15238       if (getDrawModeHiRes())
15239       {
15240         sx = sx2;
15241         sy = sy2;
15242       }
15243       // FALLTHROUGH
15244     case GADGET_ID_GRAB_BRUSH:
15245     case GADGET_ID_TEXT:
15246       {
15247         static int last_sx = -1;
15248         static int last_sy = -1;
15249         static int start_sx = -1;
15250         static int start_sy = -1;
15251         void (*draw_func)(int, int, int, int, int, boolean);
15252
15253         if (drawing_function == GADGET_ID_LINE)
15254           draw_func = DrawLine;
15255         else if (drawing_function == GADGET_ID_ARC)
15256           draw_func = DrawArc;
15257         else if (drawing_function == GADGET_ID_RECTANGLE)
15258           draw_func = DrawBox;
15259         else if (drawing_function == GADGET_ID_FILLED_BOX)
15260           draw_func = DrawFilledBox;
15261         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15262           draw_func = SelectArea;
15263         else // (drawing_function == GADGET_ID_TEXT)
15264           draw_func = SetTextCursor;
15265
15266         if (button_press_event)
15267         {
15268           draw_func(sx, sy, sx, sy, new_element, FALSE);
15269           start_sx = last_sx = sx;
15270           start_sy = last_sy = sy;
15271
15272           if (drawing_function == GADGET_ID_TEXT)
15273             DrawLevelText(0, 0, 0, TEXT_END);
15274         }
15275         else if (button_release_event)
15276         {
15277           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15278           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15279           {
15280             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15281             CopyBrushToCursor(sx, sy);
15282             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15283                           MB_LEFTBUTTON);
15284             draw_with_brush = TRUE;
15285           }
15286           else if (drawing_function == GADGET_ID_TEXT)
15287             DrawLevelText(sx, sy, 0, TEXT_INIT);
15288           else
15289             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15290         }
15291         else if (last_sx != sx || last_sy != sy)
15292         {
15293           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15294           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15295             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15296           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15297           last_sx = sx;
15298           last_sy = sy;
15299         }
15300       }
15301       break;
15302
15303     case GADGET_ID_FLOOD_FILL:
15304       if (button_press_event && Tile[lx][ly] != new_element)
15305       {
15306         if (IS_MM_WALL_EDITOR(new_element))
15307           FloodFillWall_MM(sx2, sy2, new_element);
15308         else
15309           FloodFill(lx, ly, new_element);
15310
15311         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15312         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15313       }
15314       break;
15315
15316     case GADGET_ID_PICK_ELEMENT:
15317       if (button_release_event)
15318         ClickOnGadget(level_editor_gadget[last_drawing_function],
15319                       MB_LEFTBUTTON);
15320       else if (draw_level)
15321         PickDrawingElement(button, Tile[lx][ly]);
15322       else
15323       {
15324         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15325
15326         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15327       }
15328
15329     default:
15330       break;
15331   }
15332
15333   // do not mark level as modified for certain non-level-changing gadgets
15334   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15335        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15336       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15337       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15338     return;
15339
15340   level.changed = TRUE;
15341 }
15342
15343 static void HandleCounterButtons(struct GadgetInfo *gi)
15344 {
15345   int gadget_id = gi->custom_id;
15346   int counter_id = gi->custom_type_id;
15347   int button = gi->event.button;
15348   int *counter_value = counterbutton_info[counter_id].value;
15349   int step = BUTTON_STEPSIZE(button) *
15350     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15351
15352   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15353   {
15354     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15355     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15356     boolean level_changed = LevelChanged();
15357
15358     if ((level_changed && pressed) || (!level_changed && released))
15359       return;
15360
15361     if (level_changed && !Request("Level has changed! Discard changes?",
15362                                   REQ_ASK))
15363     {
15364       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15365         ModifyEditorCounterValue(counter_id, *counter_value);
15366
15367       return;
15368     }
15369   }
15370
15371   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15372     *counter_value = gi->textinput.number_value;
15373   else
15374     ModifyEditorCounterValue(counter_id, *counter_value + step);
15375
15376   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15377   {
15378     int last_game_engine_type = level.game_engine_type;
15379
15380     LoadLevel(level_nr);
15381     LoadScore(level_nr);
15382
15383     SaveLevelSetup_SeriesInfo();
15384
15385     TapeErase();
15386
15387     ResetUndoBuffer();
15388     DrawEditModeWindow();
15389
15390     if (level.game_engine_type != last_game_engine_type)
15391     {
15392       // update element selection list
15393       ReinitializeElementList();
15394       ModifyEditorElementList();
15395     }
15396
15397     return;
15398   }
15399
15400   switch (counter_id)
15401   {
15402     case ED_COUNTER_ID_YAMYAM_CONTENT:
15403       DrawYamYamContentAreas();
15404       break;
15405
15406     case ED_COUNTER_ID_BALL_CONTENT:
15407       DrawMagicBallContentAreas();
15408       break;
15409
15410     case ED_COUNTER_ID_ANDROID_CONTENT:
15411       DrawAndroidElementArea();
15412       break;
15413
15414     case ED_COUNTER_ID_GROUP_CONTENT:
15415       DrawGroupElementArea();
15416       CopyGroupElementPropertiesToGame(properties_element);
15417       break;
15418
15419     case ED_COUNTER_ID_INVENTORY_SIZE:
15420       DrawPlayerInitialInventoryArea(properties_element);
15421       break;
15422
15423     case ED_COUNTER_ID_MM_BALL_CONTENT:
15424       DrawMMBallContentArea();
15425       break;
15426
15427     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15428     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15429       DrawEnvelopeTextArea(-1);
15430       break;
15431
15432     case ED_COUNTER_ID_LEVEL_XSIZE:
15433     case ED_COUNTER_ID_LEVEL_YSIZE:
15434       lev_fieldx = level.fieldx;
15435       lev_fieldy = level.fieldy;
15436
15437       // check if resizing of level results in change of border border
15438       SetBorderElement();
15439
15440       break;
15441
15442     default:
15443       break;
15444   }
15445
15446   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15447        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15448       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15449        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15450     CopyElementPropertiesToGame(properties_element);
15451
15452   // do not mark level as modified for certain non-level-changing gadgets
15453   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15454        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15455       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15456        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15457     return;
15458
15459   level.changed = TRUE;
15460 }
15461
15462 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15463 {
15464   int type_id = gi->custom_type_id;
15465
15466   strcpy(textinput_info[type_id].value, gi->textinput.value);
15467
15468   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15469   {
15470     CopyElementPropertiesToGame(properties_element);
15471
15472     ModifyEditorElementList();  // update changed button info text
15473   }
15474
15475   // do not mark level as modified for certain non-level-changing gadgets
15476   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15477       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15478     return;
15479
15480   level.changed = TRUE;
15481 }
15482
15483 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15484 {
15485   int type_id = gi->custom_type_id;
15486
15487   strncpy(textarea_info[type_id].value, gi->textarea.value,
15488           MAX_ENVELOPE_TEXT_LEN);
15489   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15490
15491   level.changed = TRUE;
15492 }
15493
15494 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15495 {
15496   int type_id = gi->custom_type_id;
15497   int value_old = *selectbox_info[type_id].value;
15498   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15499
15500   *selectbox_info[type_id].value = value_new;
15501
15502   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15503   {
15504     DrawLevelConfigWindow();
15505   }
15506   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15507   {
15508     element_info[properties_element].current_change_page = gi->selectbox.index;
15509
15510     DrawPropertiesWindow();
15511   }
15512   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15513             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15514            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15515             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15516            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15517   {
15518     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15519     {
15520       // when changing action type, also check action mode and action arg
15521       if (value_old != value_new)
15522         setSelectboxSpecialActionVariablesIfNeeded();
15523
15524       DrawPropertiesChange();
15525     }
15526
15527     CopyElementPropertiesToGame(properties_element);
15528   }
15529   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15530   {
15531     // show or hide "engine" tabulator depending on game engine type
15532     DrawLevelConfigWindow();
15533
15534     // update element selection list depending on game engine type
15535     ReinitializeElementList();
15536     ModifyEditorElementList();
15537   }
15538   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15539   {
15540     // update BD cycle delay counter gadgets depending on BD scheduling type
15541     DrawLevelConfigWindow();
15542   }
15543
15544   // do not mark level as modified for certain non-level-changing gadgets
15545   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15546       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15547     return;
15548
15549   level.changed = TRUE;
15550 }
15551
15552 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15553 {
15554   int type_id = gi->custom_type_id;
15555   int i;
15556
15557   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15558       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15559   {
15560     edit_mode_levelconfig = gi->custom_type_id;
15561
15562     DrawLevelConfigWindow();
15563   }
15564   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15565            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15566   {
15567     edit_mode_properties = gi->custom_type_id;
15568
15569     DrawPropertiesWindow();
15570   }
15571   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15572            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15573   {
15574     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15575
15576     // backup original "level.field" (needed to track playfield changes)
15577     CopyPlayfield(level.field, TileBackup);
15578
15579     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15580     CopyPlayfield(Tile, level.field);
15581
15582     if (new_template ||
15583         Request("Save this template and kill the old?", REQ_ASK))
15584       SaveLevelTemplate();
15585
15586     if (new_template)
15587       Request("Template saved!", REQ_CONFIRM);
15588
15589     // restore original "level.field" (needed to track playfield changes)
15590     CopyPlayfield(TileBackup, level.field);
15591   }
15592   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15593   {
15594     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15595
15596     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15597         leveldir_current->readonly)
15598     {
15599       Request("This level set is read-only!", REQ_CONFIRM);
15600
15601       return;
15602     }
15603
15604     if (strEqual(levelset_name, ""))
15605     {
15606       Request("Please enter level set title!", REQ_CONFIRM);
15607
15608       return;
15609     }
15610
15611     if (strEqual(levelset_author, ""))
15612     {
15613       Request("Please enter level set author!", REQ_CONFIRM);
15614
15615       return;
15616     }
15617
15618     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15619     {
15620       if (UpdateUserLevelSet(levelset_subdir,
15621                              levelset_name,
15622                              levelset_author,
15623                              levelset_num_levels))
15624       {
15625         Request("Level set updated!", REQ_CONFIRM);
15626       }
15627       else
15628       {
15629         Request("Updating level set failed!", REQ_CONFIRM);
15630       }
15631     }
15632     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15633     {
15634       if (level.changed && !Request("Level has changed! Discard changes?",
15635                                      REQ_ASK))
15636         return;
15637
15638       if (CreateUserLevelSet(levelset_subdir,
15639                              levelset_name,
15640                              levelset_author,
15641                              levelset_num_levels,
15642                              levelset_use_levelset_artwork))
15643       {
15644         if (levelset_copy_level_template)
15645           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15646
15647         Request("New level set created!", REQ_CONFIRM);
15648
15649         AddUserLevelSetToLevelInfo(levelset_subdir);
15650         ChangeEditorToLevelSet(levelset_subdir);
15651       }
15652       else
15653       {
15654         Request("Creating new level set failed!", REQ_CONFIRM);
15655       }
15656     }
15657   }
15658   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15659            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15660   {
15661     struct ElementInfo *ei = &element_info[properties_element];
15662
15663     // when modifying custom element, ask for copying level template
15664     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15665       return;
15666
15667     setElementChangePages(ei, ei->num_change_pages + 1);
15668
15669     // set new change page to be new current change page
15670     ei->current_change_page = ei->num_change_pages - 1;
15671     ei->change = &ei->change_page[ei->current_change_page];
15672
15673     setElementChangeInfoToDefaults(ei->change);
15674
15675     DrawPropertiesWindow();
15676
15677     level.changed = TRUE;
15678   }
15679   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15680            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15681   {
15682     struct ElementInfo *ei = &element_info[properties_element];
15683
15684     // when modifying custom element, ask for copying level template
15685     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15686       return;
15687
15688     // copy all change pages after change page to be deleted
15689     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15690       ei->change_page[i] = ei->change_page[i + 1];
15691
15692     setElementChangePages(ei, ei->num_change_pages - 1);
15693
15694     DrawPropertiesWindow();
15695
15696     level.changed = TRUE;
15697   }
15698 }
15699
15700 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15701 {
15702   int type_id = gi->custom_type_id;
15703
15704   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15705       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15706   {
15707     struct ElementInfo *ei = &element_info[properties_element];
15708     int step = BUTTON_STEPSIZE(gi->event.button);
15709
15710     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15711     ei->current_change_page += step;
15712
15713     if (ei->current_change_page < 0)
15714       ei->current_change_page = 0;
15715     else if (ei->current_change_page >= ei->num_change_pages)
15716       ei->current_change_page = ei->num_change_pages - 1;
15717
15718     DrawPropertiesWindow();
15719   }
15720   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15721            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15722   {
15723     struct ElementInfo *ei = &element_info[properties_element];
15724     int current_change_page = ei->current_change_page;
15725
15726     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15727     {
15728       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15729         ei->change_page[current_change_page];
15730     }
15731     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15732     {
15733       // when modifying custom element, ask for copying level template
15734       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15735         return;
15736
15737       ei->change_page[current_change_page] =
15738         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15739
15740       level.changed = TRUE;
15741     }
15742
15743     DrawPropertiesWindow();
15744   }
15745 }
15746
15747 static void HandleRadiobuttons(struct GadgetInfo *gi)
15748 {
15749   int type_id = gi->custom_type_id;
15750
15751   *radiobutton_info[type_id].value =
15752     radiobutton_info[type_id].checked_value;
15753
15754   // do not mark level as modified for certain non-level-changing gadgets
15755   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15756       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15757     return;
15758
15759   level.changed = TRUE;
15760 }
15761
15762 static void HandleCheckbuttons(struct GadgetInfo *gi)
15763 {
15764   int type_id = gi->custom_type_id;
15765
15766   *checkbutton_info[type_id].value ^= TRUE;
15767
15768   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15769       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15770       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15771       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15772          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15773         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15774          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15775        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15776   {
15777     CopyElementPropertiesToGame(properties_element);
15778   }
15779
15780   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15781   {
15782     UpdateCustomElementGraphicGadgets();
15783   }
15784   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15785            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15786   {
15787     boolean template_related_changes_found = FALSE;
15788     int i;
15789
15790     // check if any custom, group or empty elements have been changed
15791     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15792       if ((IS_CUSTOM_ELEMENT(i) ||
15793            IS_GROUP_ELEMENT(i) ||
15794            IS_EMPTY_ELEMENT(i)) &&
15795           element_info[i].modified_settings)
15796         template_related_changes_found = TRUE;
15797
15798     if (level.use_custom_template &&
15799         !fileExists(getGlobalLevelTemplateFilename()))
15800     {
15801       Request("No level template found!", REQ_CONFIRM);
15802
15803       level.use_custom_template = FALSE;
15804
15805       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15806
15807       return;
15808     }
15809
15810     if (level.use_custom_template &&
15811         template_related_changes_found &&
15812         !Request("Discard changes and use level template?", REQ_ASK))
15813     {
15814       level.use_custom_template = FALSE;
15815
15816       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15817
15818       return;
15819     }
15820
15821     if (!level.use_custom_template &&
15822         Request("Copy settings from level template?", REQ_ASK))
15823     {
15824       return;
15825     }
15826
15827     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15828
15829     DrawEditModeWindow();
15830   }
15831   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15832   {
15833     if (setup.editor.use_template_for_new_levels &&
15834         !fileExists(getGlobalLevelTemplateFilename()))
15835     {
15836       Request("No level template found!", REQ_CONFIRM);
15837
15838       return;
15839     }
15840
15841     if (setup.editor.use_template_for_new_levels &&
15842         level.changed &&
15843         !Request("Discard level and load template?", REQ_ASK))
15844     {
15845       return;
15846     }
15847
15848     if (!setup.editor.use_template_for_new_levels &&
15849         level.changed &&
15850         !Request("Discard level and use empty level?", REQ_ASK))
15851     {
15852       return;
15853     }
15854
15855     LoadLevel(level_nr);
15856     LoadScore(level_nr);
15857
15858     TapeErase();
15859
15860     ResetUndoBuffer();
15861     DrawEditModeWindow();
15862   }
15863   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15864   {
15865     SetAutomaticNumberOfGemsNeeded();
15866   }
15867
15868   // do not mark level as modified for certain non-level-changing gadgets
15869   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15870        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15871       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15872        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15873        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15874       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15875     return;
15876
15877   level.changed = TRUE;
15878 }
15879
15880 static void HandleControlButtons(struct GadgetInfo *gi)
15881 {
15882   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15883   static int last_edit_mode = ED_MODE_DRAWING;
15884   static int last_custom_copy_mode = -1;
15885   static int last_button = 0;
15886   int id = gi->custom_id;
15887   int button = gi->event.button;
15888   int step = BUTTON_STEPSIZE(button);
15889   int new_element = BUTTON_ELEMENT(button);
15890   int last_properties_element = properties_element;
15891   int x, y;
15892
15893   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15894     DrawLevelText(0, 0, 0, TEXT_END);
15895
15896   if (id < ED_NUM_CTRL1_BUTTONS &&
15897       id != GADGET_ID_SINGLE_ITEMS &&
15898       id != GADGET_ID_PICK_ELEMENT &&
15899       edit_mode != ED_MODE_DRAWING &&
15900       drawing_function != GADGET_ID_PICK_ELEMENT &&
15901       !(GetKeyModState() & KMOD_Control))
15902     ChangeEditModeWindow(ED_MODE_DRAWING);
15903
15904   // element copy mode active, but no element button pressed => deactivate
15905   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15906     last_custom_copy_mode = -1;
15907
15908   // when showing palette on element buttons, change element of button used
15909   if (editor.palette.show_on_element_buttons &&
15910       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15911   {
15912     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15913
15914     id = GADGET_ID_PALETTE;
15915   }
15916
15917   switch (id)
15918   {
15919     case GADGET_ID_SCROLL_LEFT:
15920       if (level_xpos >= 0)
15921       {
15922         if (lev_fieldx < ed_fieldx - 2)
15923           break;
15924
15925         level_xpos -= step;
15926         if (level_xpos < -1)
15927           level_xpos = -1;
15928         if (button == 1)
15929           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15930         else
15931           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15932
15933         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15934                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15935       }
15936       break;
15937
15938     case GADGET_ID_SCROLL_RIGHT:
15939       if (level_xpos <= lev_fieldx - ed_fieldx)
15940       {
15941         if (lev_fieldx < ed_fieldx - 2)
15942           break;
15943
15944         level_xpos += step;
15945         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15946           level_xpos = lev_fieldx - ed_fieldx + 1;
15947         if (button == 1)
15948           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15949         else
15950           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15951
15952         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15953                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15954       }
15955       break;
15956
15957     case GADGET_ID_SCROLL_UP:
15958       if (level_ypos >= 0)
15959       {
15960         if (lev_fieldy < ed_fieldy - 2)
15961           break;
15962
15963         level_ypos -= step;
15964         if (level_ypos < -1)
15965           level_ypos = -1;
15966         if (button == 1)
15967           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15968         else
15969           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15970
15971         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15972                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15973       }
15974       break;
15975
15976     case GADGET_ID_SCROLL_DOWN:
15977       if (level_ypos <= lev_fieldy - ed_fieldy)
15978       {
15979         if (lev_fieldy < ed_fieldy - 2)
15980           break;
15981
15982         level_ypos += step;
15983         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15984           level_ypos = lev_fieldy - ed_fieldy + 1;
15985         if (button == 1)
15986           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15987         else
15988           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15989
15990         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15991                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15992       }
15993       break;
15994
15995     case GADGET_ID_SCROLL_HORIZONTAL:
15996       level_xpos = gi->event.item_position - 1;
15997
15998       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15999       BackToFront();
16000
16001       break;
16002
16003     case GADGET_ID_SCROLL_VERTICAL:
16004       level_ypos = gi->event.item_position - 1;
16005
16006       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16007       BackToFront();
16008
16009       break;
16010
16011     case GADGET_ID_SCROLL_LIST_UP:
16012     case GADGET_ID_SCROLL_LIST_DOWN:
16013     case GADGET_ID_SCROLL_LIST_VERTICAL:
16014       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16015         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16016       else
16017       {
16018         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16019         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16020
16021         if (element_shift < 0)
16022           element_shift = 0;
16023         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16024           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16025
16026         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16027                      GDI_SCROLLBAR_ITEM_POSITION,
16028                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16029       }
16030
16031       ModifyEditorElementList();
16032
16033       break;
16034
16035     case GADGET_ID_PROPERTIES:
16036       // always switch off element properties when they are already displayed
16037       last_properties_element = new_element;
16038     case GADGET_ID_ELEMENT_LEFT:
16039     case GADGET_ID_ELEMENT_MIDDLE:
16040     case GADGET_ID_ELEMENT_RIGHT:
16041       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16042                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16043                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16044                             new_element);
16045
16046       if (edit_mode != ED_MODE_PROPERTIES)
16047       {
16048         last_edit_mode = edit_mode;
16049
16050         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16051
16052         last_level_drawing_function = drawing_function;
16053         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16054                       MB_LEFTBUTTON);
16055       }
16056       else if (properties_element != last_properties_element)
16057       {
16058         DrawEditModeWindow();
16059       }
16060       else
16061       {
16062         ChangeEditModeWindow(ED_MODE_DRAWING);
16063
16064         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16065                       MB_LEFTBUTTON);
16066       }
16067       break;
16068
16069     case GADGET_ID_PALETTE:
16070       if (edit_mode != ED_MODE_PALETTE)
16071       {
16072         last_edit_mode = edit_mode;
16073
16074         ChangeEditModeWindow(ED_MODE_PALETTE);
16075       }
16076       else
16077       {
16078         ChangeEditModeWindow(last_edit_mode);
16079       }
16080       break;
16081
16082     case GADGET_ID_WRAP_LEFT:
16083       WrapLevel(-step, 0);
16084       break;
16085
16086     case GADGET_ID_WRAP_RIGHT:
16087       WrapLevel(step, 0);
16088       break;
16089
16090     case GADGET_ID_WRAP_UP:
16091       WrapLevel(0, -step);
16092       break;
16093
16094     case GADGET_ID_WRAP_DOWN:
16095       WrapLevel(0, step);
16096       break;
16097
16098     case GADGET_ID_SINGLE_ITEMS:
16099     case GADGET_ID_CONNECTED_ITEMS:
16100     case GADGET_ID_LINE:
16101     case GADGET_ID_ARC:
16102     case GADGET_ID_TEXT:
16103     case GADGET_ID_RECTANGLE:
16104     case GADGET_ID_FILLED_BOX:
16105     case GADGET_ID_FLOOD_FILL:
16106     case GADGET_ID_GRAB_BRUSH:
16107     case GADGET_ID_PICK_ELEMENT:
16108       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16109         last_drawing_function = drawing_function;
16110       drawing_function = id;
16111       draw_with_brush = FALSE;
16112       break;
16113
16114     case GADGET_ID_RANDOM_PLACEMENT:
16115       RandomPlacement(new_element);
16116       break;
16117
16118     case GADGET_ID_ZOOM:
16119       // zoom level editor tile size in or out (or reset to default size)
16120       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16121                      button == 2 ? ed_tilesize_default :
16122                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16123
16124       // when using touch device, cycle through all zoom tilesizes
16125       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16126         ed_tilesize = MICRO_TILESIZE;
16127
16128       // limit zoom level by upper and lower bound
16129       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16130
16131       InitZoomLevelSettings(ed_tilesize);
16132
16133       if (edit_mode == ED_MODE_DRAWING)
16134       {
16135         DrawDrawingWindow();
16136
16137         // redraw zoom gadget info text
16138         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16139       }
16140
16141       // save current editor zoom tilesize
16142       SaveSetup_AutoSetup();
16143
16144       break;
16145
16146     case GADGET_ID_CUSTOM_COPY_FROM:
16147     case GADGET_ID_CUSTOM_COPY_TO:
16148     case GADGET_ID_CUSTOM_EXCHANGE:
16149       last_custom_copy_mode = id;
16150       last_drawing_function = drawing_function;
16151       break;
16152
16153     case GADGET_ID_CUSTOM_COPY:
16154       CopyCustomElement(properties_element, -1, id);
16155       break;
16156
16157     case GADGET_ID_CUSTOM_PASTE:
16158       CopyCustomElement(-1, properties_element, id);
16159       break;
16160
16161     case GADGET_ID_UNDO:
16162       if (button < 0)   // keep button value (even if modifier keys are pressed)
16163         button = -button;
16164       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16165         button = 3;
16166
16167       if (button == 1 && undo_buffer_steps == 0)
16168       {
16169         Request("Undo buffer empty!", REQ_CONFIRM);
16170
16171         break;
16172       }
16173       else if (button == 2)
16174       {
16175         break;
16176       }
16177       else if (button == 3 && redo_buffer_steps == 0)
16178       {
16179         Request("Redo buffer empty!", REQ_CONFIRM);
16180
16181         break;
16182       }
16183
16184       if (edit_mode != ED_MODE_DRAWING)
16185         ChangeEditModeWindow(ED_MODE_DRAWING);
16186
16187       if (button == 1)
16188       {
16189         // undo
16190
16191         undo_buffer_position =
16192           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16193
16194         undo_buffer_steps--;
16195         redo_buffer_steps++;
16196       }
16197       else
16198       {
16199         // redo
16200
16201         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16202
16203         undo_buffer_steps++;
16204         redo_buffer_steps--;
16205       }
16206
16207       for (x = 0; x < lev_fieldx; x++)
16208         for (y = 0; y < lev_fieldy; y++)
16209           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16210
16211       // check if undo operation forces change of border style
16212       CheckLevelBorderElement(FALSE);
16213
16214       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16215
16216       break;
16217
16218     case GADGET_ID_CONF:
16219       if (edit_mode != ED_MODE_LEVELCONFIG)
16220       {
16221         last_edit_mode = edit_mode;
16222
16223         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16224       }
16225       else
16226       {
16227         ChangeEditModeWindow(ED_MODE_DRAWING);
16228       }
16229       break;
16230
16231     case GADGET_ID_CLEAR:
16232       if (edit_mode != ED_MODE_DRAWING)
16233         ChangeEditModeWindow(ED_MODE_DRAWING);
16234
16235       for (x = 0; x < MAX_LEV_FIELDX; x++)
16236         for (y = 0; y < MAX_LEV_FIELDY; y++)
16237           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16238
16239       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16240
16241       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16242       break;
16243
16244     case GADGET_ID_SAVE:
16245     {
16246       // saving read-only levels into personal level set modifies global vars
16247       // "leveldir_current" and "level_nr"; restore them after saving level
16248       LevelDirTree *leveldir_former = leveldir_current;
16249       int level_nr_former = level_nr;
16250       char *level_filename;
16251       boolean new_level;
16252
16253       if (leveldir_current->readonly &&
16254           !PrepareSavingIntoPersonalLevelSet())
16255         break;
16256
16257       level_filename = getDefaultLevelFilename(level_nr);
16258       new_level = !fileExists(level_filename);
16259
16260       if (new_level ||
16261           Request("Save this level and kill the old?", REQ_ASK))
16262       {
16263         if (leveldir_former->readonly)
16264           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16265
16266         SetAutomaticNumberOfGemsNeeded();
16267
16268         CopyPlayfield(Tile, level.field);
16269         SaveLevel(level_nr);
16270
16271         level.changed = FALSE;
16272
16273         if (new_level)
16274         {
16275           char level_saved_msg[64];
16276
16277           if (leveldir_former->readonly)
16278             sprintf(level_saved_msg,
16279                     "Level saved as level %d into personal level set!",
16280                     level_nr);
16281           else
16282             strcpy(level_saved_msg, "Level saved!");
16283
16284           Request(level_saved_msg, REQ_CONFIRM);
16285         }
16286       }
16287
16288       // "cd" back to copied-from levelset (in case of saved read-only level)
16289       leveldir_current = leveldir_former;
16290       level_nr = level_nr_former;
16291
16292       break;
16293     }
16294
16295     case GADGET_ID_TEST:
16296       if (LevelChanged())
16297         level.game_version = GAME_VERSION_ACTUAL;
16298
16299       CopyPlayfield(level.field, TileBackup);
16300       CopyPlayfield(Tile, level.field);
16301
16302       CopyNativeLevel_RND_to_Native(&level);
16303
16304       UnmapLevelEditorGadgets();
16305       UndrawSpecialEditorDoor();
16306
16307       CloseDoor(DOOR_CLOSE_ALL);
16308
16309       // needed before playing if editor playfield area has different size
16310       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16311
16312       // redraw_mask = REDRAW_ALL;
16313
16314       level_editor_test_game = TRUE;
16315
16316       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16317
16318       break;
16319
16320     case GADGET_ID_EXIT:
16321       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16322       break;
16323
16324     default:
16325       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16326           id <= GADGET_ID_ELEMENTLIST_LAST)
16327       {
16328         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16329
16330         new_element = editor_elements[element_position + element_shift];
16331
16332         if (IS_EDITOR_CASCADE(new_element))
16333         {
16334           int i;
16335
16336           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16337           {
16338             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16339             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16340
16341             if (*cascade_element == new_element)
16342             {
16343               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16344               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16345
16346               // update element selection list
16347               ReinitializeElementList();
16348               ModifyEditorElementList();
16349
16350               // update cascading gadget info text
16351               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16352
16353               // save current editor cascading state
16354               SaveSetup_EditorCascade();
16355
16356               break;
16357             }
16358           }
16359
16360           break;
16361         }
16362
16363         if (last_custom_copy_mode != -1)
16364         {
16365           if (CopyCustomElement(properties_element, new_element,
16366                                 last_custom_copy_mode))
16367           {
16368             ClickOnGadget(level_editor_gadget[last_drawing_function],
16369                           MB_LEFTBUTTON);
16370
16371             last_custom_copy_mode = -1;
16372           }
16373
16374           break;
16375         }
16376
16377         // change element of button used to show palette
16378         if (editor.palette.show_on_element_buttons)
16379           button = last_button;
16380
16381         PickDrawingElement(button, new_element);
16382
16383         if (!stick_element_properties_window &&
16384             drawing_function != GADGET_ID_PICK_ELEMENT &&
16385             !(GetKeyModState() & KMOD_Control))
16386         {
16387           properties_element = new_element;
16388           if (edit_mode == ED_MODE_PROPERTIES)
16389             DrawPropertiesWindow();
16390         }
16391
16392         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16393           ClickOnGadget(level_editor_gadget[last_drawing_function],
16394                         MB_LEFTBUTTON);
16395
16396         if (!use_permanent_palette)
16397           ChangeEditModeWindow(last_edit_mode);
16398       }
16399 #ifdef DEBUG
16400       else if (gi->event.type == GD_EVENT_PRESSED)
16401         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16402       else if (gi->event.type == GD_EVENT_RELEASED)
16403         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16404       else if (gi->event.type == GD_EVENT_MOVING)
16405         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16406       else
16407         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16408 #endif
16409       break;
16410   }
16411 }
16412
16413 void HandleLevelEditorKeyInput(Key key)
16414 {
16415   char letter = getCharFromKey(key);
16416
16417   if (drawing_function == GADGET_ID_TEXT &&
16418       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16419   {
16420     if (letter)
16421       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16422     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16423       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16424     else if (key == KSYM_Return)
16425       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16426     else if (key == KSYM_Escape)
16427       DrawLevelText(0, 0, 0, TEXT_END);
16428
16429     return;
16430   }
16431
16432   int id = GADGET_ID_NONE;
16433   int new_element_shift = element_shift;
16434   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16435   int button = MB_LEFTBUTTON;
16436   int i;
16437
16438   switch (key)
16439   {
16440     case KSYM_Left:
16441       id = GADGET_ID_SCROLL_LEFT;
16442       break;
16443     case KSYM_Right:
16444       id = GADGET_ID_SCROLL_RIGHT;
16445       break;
16446     case KSYM_Up:
16447       id = GADGET_ID_SCROLL_UP;
16448       break;
16449     case KSYM_Down:
16450       id = GADGET_ID_SCROLL_DOWN;
16451       break;
16452
16453     case KSYM_Page_Up:
16454     case KSYM_Page_Down:
16455       step *= (key == KSYM_Page_Up ? -1 : +1);
16456       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16457
16458       if (element_shift < 0)
16459         element_shift = 0;
16460       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16461         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16462
16463       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16464                    GDI_SCROLLBAR_ITEM_POSITION,
16465                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16466
16467       ModifyEditorElementList();
16468
16469       break;
16470
16471     case KSYM_Home:
16472     case KSYM_End:
16473       element_shift = (key == KSYM_Home ? 0 :
16474                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16475
16476       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16477                    GDI_SCROLLBAR_ITEM_POSITION,
16478                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16479
16480       ModifyEditorElementList();
16481
16482       break;
16483
16484     case KSYM_Insert:
16485     case KSYM_Delete:
16486
16487       // this is needed to prevent interference with running "True X-Mouse"
16488       if (GetKeyModStateFromEvents() & KMOD_Control)
16489         break;
16490
16491       // check for last or next editor cascade block in element list
16492       for (i = 0; i < num_editor_elements; i++)
16493       {
16494         if ((key == KSYM_Insert && i == element_shift) ||
16495             (key == KSYM_Delete && new_element_shift > element_shift))
16496           break;
16497
16498         // jump to next cascade block (or to start of element list)
16499         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16500           new_element_shift = i;
16501       }
16502
16503       if (i < num_editor_elements)
16504         element_shift = new_element_shift;
16505
16506       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16507         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16508
16509       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16510                    GDI_SCROLLBAR_ITEM_POSITION,
16511                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16512
16513       ModifyEditorElementList();
16514
16515       break;
16516
16517     case KSYM_Escape:
16518       if (edit_mode == ED_MODE_DRAWING)
16519         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16520       else if (edit_mode == ED_MODE_LEVELCONFIG)
16521         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16522       else if (edit_mode == ED_MODE_PROPERTIES)
16523         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16524       else if (edit_mode == ED_MODE_PALETTE)
16525         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16526       else              // should never happen
16527         ChangeEditModeWindow(ED_MODE_DRAWING);
16528
16529       break;
16530
16531     default:
16532       break;
16533   }
16534
16535   if (id != GADGET_ID_NONE)
16536     ClickOnGadget(level_editor_gadget[id], button);
16537   else if (letter == '1' || letter == '?')
16538     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16539   else if (letter == '2')
16540     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16541   else if (letter == '3')
16542     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16543   else if (letter == '.')
16544     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16545   else if (letter == 'U')
16546     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16547   else if (letter == '-' || key == KSYM_KP_Subtract)
16548     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16549   else if (letter == '0' || key == KSYM_KP_0)
16550     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16551   else if (letter == '+' || key == KSYM_KP_Add ||
16552            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16553     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16554   else if (key == KSYM_Return ||
16555            key == KSYM_space ||
16556            key == setup.shortcut.toggle_pause)
16557     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16558   else
16559     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16560       if (letter && letter == controlbutton_info[i].shortcut)
16561         if (!anyTextGadgetActive())
16562           ClickOnGadget(level_editor_gadget[i], button);
16563
16564   if (draw_with_brush)
16565   {
16566     if (letter == 'x')
16567       FlipBrushX();
16568     else if (letter == 'y')
16569       FlipBrushY();
16570     else if (letter == 'z')
16571       RotateBrush();
16572   }
16573 }
16574
16575 static void HandleLevelEditorIdle_Properties(void)
16576 {
16577   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16578   int x = editor.settings.element_graphic.x + element_border;
16579   int y = editor.settings.element_graphic.y + element_border;
16580   static DelayCounter action_delay = { 0 };
16581   int i;
16582
16583   action_delay.value = GameFrameDelay;
16584
16585   if (!DelayReached(&action_delay))
16586     return;
16587
16588   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16589   {
16590     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16591
16592     if (gi->mapped && gi->active && gi->selectbox.open)
16593       return;
16594   }
16595
16596   DrawEditorElementAnimation(SX + x, SY + y);
16597
16598   redraw_mask |= REDRAW_FIELD;
16599
16600   FrameCounter++;       // increase animation frame counter
16601 }
16602
16603 static void HandleLevelEditorIdle_Drawing(void)
16604 {
16605   static boolean last_highlighted = FALSE;
16606   static boolean last_highlighted_similar = FALSE;
16607   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16608   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16609
16610   if (highlighted != last_highlighted ||
16611       (highlighted && highlighted_similar != last_highlighted_similar))
16612   {
16613     DrawAreaElementHighlight(highlighted, highlighted_similar);
16614
16615     redraw_mask |= REDRAW_FIELD;
16616   }
16617
16618   last_highlighted = highlighted;
16619   last_highlighted_similar = highlighted_similar;
16620 }
16621
16622 void HandleLevelEditorIdle(void)
16623 {
16624   if (edit_mode == ED_MODE_PROPERTIES)
16625     HandleLevelEditorIdle_Properties();
16626   else if (edit_mode == ED_MODE_DRAWING)
16627     HandleLevelEditorIdle_Drawing();
16628 }
16629
16630 static void ClearEditorGadgetInfoText(void)
16631 {
16632   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16633 }
16634
16635 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16636 {
16637   char infotext[MAX_OUTPUT_LINESIZE + 1];
16638   int max_infotext_len = getMaxInfoTextLength();
16639
16640   if (gi == NULL || strlen(gi->info_text) == 0)
16641     return;
16642
16643   strncpy(infotext, gi->info_text, max_infotext_len);
16644   infotext[max_infotext_len] = '\0';
16645
16646   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16647   {
16648     int key = controlbutton_info[gi->custom_id].shortcut;
16649
16650     if (key)
16651     {
16652       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16653
16654       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16655         sprintf(shortcut, " ('.' or '%c')", key);
16656       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16657         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16658       else if (gi->custom_id == GADGET_ID_TEST)
16659         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16660       else if (gi->custom_id == GADGET_ID_UNDO)
16661         sprintf(shortcut, " ('%c/Shift-U')", key);
16662       else if (gi->custom_id == GADGET_ID_ZOOM)
16663         sprintf(shortcut, " ('%c', '0', '-')", key);
16664       else
16665         sprintf(shortcut, " ('%s%c')",
16666                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16667
16668       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16669         strcat(infotext, shortcut);
16670     }
16671   }
16672
16673   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16674 }
16675
16676 void HandleEditorGadgetInfoText(void *ptr)
16677 {
16678   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16679
16680   if (game_status != GAME_MODE_EDITOR)
16681     return;
16682
16683   ClearEditorGadgetInfoText();
16684
16685   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16686     return;
16687
16688   // misuse this function to delete brush cursor, if needed
16689   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16690     DeleteBrushFromCursor();
16691
16692   PrintEditorGadgetInfoText(gi);
16693 }
16694
16695 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16696 {
16697   int id = gi->custom_id;
16698   int type_id = gi->custom_type_id;
16699   int sx = gi->event.x;
16700   int sy = gi->event.y;
16701   int lx = sx + level_xpos;
16702   int ly = sy + level_ypos;
16703   int min_sx = 0, min_sy = 0;
16704   int max_sx = gi->drawing.area_xsize - 1;
16705   int max_sy = gi->drawing.area_ysize - 1;
16706   int actual_drawing_function = drawing_function;
16707   int max_infotext_len = getMaxInfoTextLength();
16708   char infotext[MAX_OUTPUT_LINESIZE + 1];
16709
16710   infotext[0] = '\0';           // start with empty info text
16711
16712   // pressed Control key: simulate picking element
16713   if (GetKeyModState() & KMOD_Control)
16714     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16715
16716   ClearEditorGadgetInfoText();
16717
16718   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16719     return;
16720
16721   // make sure to stay inside drawing area boundaries
16722   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16723   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16724
16725   if (id == GADGET_ID_DRAWING_LEVEL)
16726   {
16727     if (button_status)
16728     {
16729       int min_lx = 0, min_ly = 0;
16730       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16731
16732       // get positions inside level field
16733       lx = sx + level_xpos;
16734       ly = sy + level_ypos;
16735
16736       // make sure to stay inside level field boundaries
16737       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16738       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16739
16740       // correct drawing area positions accordingly
16741       sx = lx - level_xpos;
16742       sy = ly - level_ypos;
16743     }
16744
16745     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16746     {
16747       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16748       {
16749         static int start_lx = 0;
16750         static int start_ly = 0;
16751         char *text;
16752
16753         if (gi->event.type == GD_EVENT_PRESSED)
16754         {
16755           start_lx = lx;
16756           start_ly = ly;
16757         }
16758
16759         switch (actual_drawing_function)
16760         {
16761           case GADGET_ID_SINGLE_ITEMS:
16762             text = "Drawing single items";
16763             break;
16764           case GADGET_ID_CONNECTED_ITEMS:
16765             text = "Drawing connected items";
16766             break;
16767           case GADGET_ID_LINE:
16768             text = "Drawing line";
16769             break;
16770           case GADGET_ID_ARC:
16771             text = "Drawing arc";
16772             break;
16773           case GADGET_ID_TEXT:
16774             text = "Setting text cursor";
16775             break;
16776           case GADGET_ID_RECTANGLE:
16777             text = "Drawing rectangle";
16778             break;
16779           case GADGET_ID_FILLED_BOX:
16780             text = "Drawing filled box";
16781             break;
16782           case GADGET_ID_FLOOD_FILL:
16783             text = "Flood fill";
16784             break;
16785           case GADGET_ID_GRAB_BRUSH:
16786             text = "Grabbing brush";
16787             break;
16788           case GADGET_ID_PICK_ELEMENT:
16789             text = "Picking element";
16790             break;
16791
16792           default:
16793             text = "Drawing position";
16794             break;
16795         }
16796
16797         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16798           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16799         else
16800           sprintf(infotext, "%s: %d, %d", text,
16801                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16802       }
16803       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16804         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16805       else
16806         sprintf(infotext, "Level position: %d, %d", lx, ly);
16807     }
16808
16809     // misuse this function to draw brush cursor, if needed
16810     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16811     {
16812       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16813         CopyBrushToCursor(sx, sy);
16814       else
16815         DeleteBrushFromCursor();
16816     }
16817
16818     if (!draw_with_brush)
16819       UpdateBrushPosition(sx, sy);
16820   }
16821   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16822   {
16823     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16824     int element = drawingarea_info[type_id].value[pos];
16825
16826     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16827   }
16828   else
16829   {
16830     if (id == GADGET_ID_CUSTOM_CONTENT)
16831       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16832     else if (id == GADGET_ID_GROUP_CONTENT)
16833       sprintf(infotext, "group element position: %d", sx + 1);
16834     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16835              id <= GADGET_ID_YAMYAM_CONTENT_7)
16836       sprintf(infotext, "content area %d position: %d, %d",
16837               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16838     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16839              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16840       sprintf(infotext, "content area %d position: %d, %d",
16841               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16842     else if (id == GADGET_ID_ANDROID_CONTENT)
16843       sprintf(infotext, "android element position: %d", sx + 1);
16844     else if (drawingarea_info[type_id].infotext != NULL)
16845       strcpy(infotext, drawingarea_info[type_id].infotext);
16846   }
16847
16848   infotext[max_infotext_len] = '\0';
16849
16850   if (strlen(infotext) > 0)
16851     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16852 }
16853
16854 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16855                             boolean quick_quit)
16856 {
16857   if (!ask_if_level_has_changed ||
16858       !LevelChanged() ||
16859       Request("Level has changed! Exit without saving?",
16860               REQ_ASK | REQ_STAY_OPEN))
16861   {
16862     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16863     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16864
16865     // draw normal door
16866     UndrawSpecialEditorDoor();
16867
16868     // use door animation if door 1 viewport is unchanged and contains toolbox
16869     if (useEditorDoorAnimation())
16870       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16871
16872     // close editor doors if viewport definition is the same as in main menu
16873     if (vp_door_1->x      == DX     &&
16874         vp_door_1->y      == DY     &&
16875         vp_door_1->width  == DXSIZE &&
16876         vp_door_1->height == DYSIZE &&
16877         vp_door_2->x      == VX     &&
16878         vp_door_2->y      == VY     &&
16879         vp_door_2->width  == VXSIZE &&
16880         vp_door_2->height == VYSIZE)
16881       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16882     else
16883       SetDoorState(DOOR_CLOSE_ALL);
16884
16885     BackToFront();
16886
16887     if (quick_quit)
16888       FadeSkipNextFadeIn();
16889
16890     SetGameStatus(GAME_MODE_MAIN);
16891
16892     DrawMainMenu();
16893   }
16894   else
16895   {
16896     if (!global.use_envelope_request)
16897     {
16898       CloseDoor(DOOR_CLOSE_1);
16899       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16900     }
16901   }
16902 }