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_AMOEBA_CONTENT_TOO_BIG,
 561   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 562   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 563   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 564   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 565   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 566   GADGET_ID_BD_ACID_EATS_ELEMENT,
 567   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 568   GADGET_ID_BD_BITER_EATS_ELEMENT,
 569   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 570   GADGET_ID_START_ELEMENT,
 571   GADGET_ID_ARTWORK_ELEMENT,
 572   GADGET_ID_EXPLOSION_ELEMENT,
 573   GADGET_ID_INVENTORY_CONTENT,
 574   GADGET_ID_MM_BALL_CONTENT,
 575   GADGET_ID_CUSTOM_GRAPHIC,
 576   GADGET_ID_CUSTOM_CONTENT,
 577   GADGET_ID_CUSTOM_MOVE_ENTER,
 578   GADGET_ID_CUSTOM_MOVE_LEAVE,
 579   GADGET_ID_CUSTOM_CHANGE_TARGET,
 580   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 581   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 582   GADGET_ID_CUSTOM_CHANGE_ACTION,
 583   GADGET_ID_GROUP_CONTENT,
 584   GADGET_ID_RANDOM_BACKGROUND,
 585
 586   // text input identifiers
 587
 588   GADGET_ID_LEVEL_NAME,
 589   GADGET_ID_LEVEL_AUTHOR,
 590   GADGET_ID_LEVELSET_NAME,
 591   GADGET_ID_LEVELSET_AUTHOR,
 592   GADGET_ID_ELEMENT_NAME,
 593
 594   // text area identifiers
 595
 596   GADGET_ID_ENVELOPE_INFO,
 597
 598   // selectbox identifiers
 599
 600   GADGET_ID_TIME_OR_STEPS,
 601   GADGET_ID_TIME_SCORE_BASE,
 602   GADGET_ID_GAME_ENGINE_TYPE,
 603   GADGET_ID_BD_SCHEDULING_TYPE,
 604   GADGET_ID_LEVELSET_SAVE_MODE,
 605   GADGET_ID_WIND_DIRECTION,
 606   GADGET_ID_PLAYER_SPEED,
 607   GADGET_ID_MM_BALL_CHOICE_MODE,
 608   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 609   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 610   GADGET_ID_CUSTOM_DEADLINESS,
 611   GADGET_ID_CUSTOM_MOVE_PATTERN,
 612   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 613   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 614   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 615   GADGET_ID_CUSTOM_SMASH_TARGETS,
 616   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 617   GADGET_ID_CUSTOM_ACCESS_TYPE,
 618   GADGET_ID_CUSTOM_ACCESS_LAYER,
 619   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 620   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 621   GADGET_ID_CHANGE_TIME_UNITS,
 622   GADGET_ID_CHANGE_DIRECT_ACTION,
 623   GADGET_ID_CHANGE_OTHER_ACTION,
 624   GADGET_ID_CHANGE_SIDE,
 625   GADGET_ID_CHANGE_PLAYER,
 626   GADGET_ID_CHANGE_PAGE,
 627   GADGET_ID_CHANGE_REPLACE_WHEN,
 628   GADGET_ID_ACTION_TYPE,
 629   GADGET_ID_ACTION_MODE,
 630   GADGET_ID_ACTION_ARG,
 631   GADGET_ID_SELECT_CHANGE_PAGE,
 632   GADGET_ID_GROUP_CHOICE_MODE,
 633
 634   // textbutton identifiers
 635
 636   GADGET_ID_LEVELCONFIG_LEVEL,
 637   GADGET_ID_LEVELCONFIG_LEVELSET,
 638   GADGET_ID_LEVELCONFIG_EDITOR,
 639   GADGET_ID_LEVELCONFIG_ENGINE,
 640   GADGET_ID_PROPERTIES_INFO,
 641   GADGET_ID_PROPERTIES_CONFIG,
 642   GADGET_ID_PROPERTIES_CONFIG_1,
 643   GADGET_ID_PROPERTIES_CONFIG_2,
 644   GADGET_ID_PROPERTIES_CHANGE,
 645   GADGET_ID_SAVE_AS_TEMPLATE_1,
 646   GADGET_ID_SAVE_AS_TEMPLATE_2,
 647   GADGET_ID_SAVE_LEVELSET,
 648   GADGET_ID_ADD_CHANGE_PAGE,
 649   GADGET_ID_DEL_CHANGE_PAGE,
 650
 651   // graphicbutton identifiers
 652
 653   GADGET_ID_PREV_CHANGE_PAGE,
 654   GADGET_ID_NEXT_CHANGE_PAGE,
 655   GADGET_ID_COPY_CHANGE_PAGE,
 656   GADGET_ID_PASTE_CHANGE_PAGE,
 657
 658   // gadgets for scrolling of drawing area
 659
 660   GADGET_ID_SCROLL_UP,
 661   GADGET_ID_SCROLL_DOWN,
 662   GADGET_ID_SCROLL_LEFT,
 663   GADGET_ID_SCROLL_RIGHT,
 664   GADGET_ID_SCROLL_HORIZONTAL,
 665   GADGET_ID_SCROLL_VERTICAL,
 666
 667   // gadgets for scrolling element list
 668
 669   GADGET_ID_SCROLL_LIST_UP,
 670   GADGET_ID_SCROLL_LIST_DOWN,
 671   GADGET_ID_SCROLL_LIST_VERTICAL,
 672
 673   // checkbuttons/radiobuttons for level/element properties
 674
 675   GADGET_ID_AUTO_COUNT_GEMS,
 676   GADGET_ID_RATE_TIME_OVER_SCORE,
 677   GADGET_ID_USE_LEVELSET_ARTWORK,
 678   GADGET_ID_COPY_LEVEL_TEMPLATE,
 679   GADGET_ID_RANDOM_PERCENTAGE,
 680   GADGET_ID_RANDOM_QUANTITY,
 681   GADGET_ID_RANDOM_RESTRICTED,
 682   GADGET_ID_BD_INTERMISSION,
 683   GADGET_ID_BD_PAL_TIMING,
 684   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 685   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 686   GADGET_ID_BD_SHORT_EXPLOSIONS,
 687   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 688   GADGET_ID_STICK_ELEMENT,
 689   GADGET_ID_EM_SLIPPERY_GEMS,
 690   GADGET_ID_EM_EXPLODES_BY_FIRE,
 691   GADGET_ID_USE_SPRING_BUG,
 692   GADGET_ID_USE_TIME_ORB_BUG,
 693   GADGET_ID_USE_LIFE_BUGS,
 694   GADGET_ID_RANDOM_BALL_CONTENT,
 695   GADGET_ID_INITIAL_BALL_ACTIVE,
 696   GADGET_ID_GROW_INTO_DIGGABLE,
 697   GADGET_ID_SB_FIELDS_NEEDED,
 698   GADGET_ID_SB_OBJECTS_NEEDED,
 699   GADGET_ID_AUTO_EXIT_SOKOBAN,
 700   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 701   GADGET_ID_FINISH_DIG_COLLECT,
 702   GADGET_ID_KEEP_WALKABLE_CE,
 703   GADGET_ID_CONTINUOUS_SNAPPING,
 704   GADGET_ID_BLOCK_SNAP_FIELD,
 705   GADGET_ID_BLOCK_LAST_FIELD,
 706   GADGET_ID_SP_BLOCK_LAST_FIELD,
 707   GADGET_ID_INSTANT_RELOCATION,
 708   GADGET_ID_SHIFTED_RELOCATION,
 709   GADGET_ID_LAZY_RELOCATION,
 710   GADGET_ID_USE_START_ELEMENT,
 711   GADGET_ID_USE_ARTWORK_ELEMENT,
 712   GADGET_ID_USE_EXPLOSION_ELEMENT,
 713   GADGET_ID_INITIAL_GRAVITY,
 714   GADGET_ID_USE_INITIAL_INVENTORY,
 715   GADGET_ID_CAN_PASS_TO_WALKABLE,
 716   GADGET_ID_CAN_FALL_INTO_ACID,
 717   GADGET_ID_CAN_MOVE_INTO_ACID,
 718   GADGET_ID_DONT_COLLIDE_WITH,
 719   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 720   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 721   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 722   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 723   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 724   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 725   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 726   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 727   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 728   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 729   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 730   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 731   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 732   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 733   GADGET_ID_BD_REPLICATORS_ACTIVE,
 734   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 735   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 736   GADGET_ID_ENVELOPE_AUTOWRAP,
 737   GADGET_ID_ENVELOPE_CENTERED,
 738   GADGET_ID_MM_LASER_RED,
 739   GADGET_ID_MM_LASER_GREEN,
 740   GADGET_ID_MM_LASER_BLUE,
 741   GADGET_ID_DF_LASER_RED,
 742   GADGET_ID_DF_LASER_GREEN,
 743   GADGET_ID_DF_LASER_BLUE,
 744   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 745   GADGET_ID_EXPLODE_MM_BALL,
 746   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 747   GADGET_ID_CUSTOM_CAN_EXPLODE,
 748   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 749   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 750   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 751   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 752   GADGET_ID_CUSTOM_DEADLY,
 753   GADGET_ID_CUSTOM_CAN_MOVE,
 754   GADGET_ID_CUSTOM_CAN_FALL,
 755   GADGET_ID_CUSTOM_CAN_SMASH,
 756   GADGET_ID_CUSTOM_SLIPPERY,
 757   GADGET_ID_CUSTOM_ACCESSIBLE,
 758   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 759   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 760   GADGET_ID_CUSTOM_USE_GRAPHIC,
 761   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 762   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 763   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 764   GADGET_ID_CUSTOM_CAN_CHANGE,
 765   GADGET_ID_CHANGE_USE_CONTENT,
 766   GADGET_ID_CHANGE_USE_EXPLOSION,
 767   GADGET_ID_CHANGE_ONLY_COMPLETE,
 768   GADGET_ID_CHANGE_USE_RANDOM,
 769   GADGET_ID_CHANGE_HAS_ACTION,
 770   GADGET_ID_CHANGE_DELAY,
 771   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 772   GADGET_ID_CHANGE_BY_OTHER_ACT,
 773
 774   NUM_STATIC_GADGET_IDS
 775 };
 776
 777 // gadgets for buttons in element list (dynamic)
 778 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 779 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 780                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 781
 782 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 783
 784 // radio button numbers
 785 enum
 786 {
 787   RADIO_NR_NONE,
 788   RADIO_NR_DRAWING_TOOLBOX,
 789   RADIO_NR_RANDOM_ELEMENTS
 790 };
 791
 792 // values for counter gadgets
 793 enum
 794 {
 795   ED_COUNTER_ID_SELECT_LEVEL,
 796   ED_COUNTER_ID_LEVEL_XSIZE,
 797   ED_COUNTER_ID_LEVEL_YSIZE,
 798   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 799   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 800   ED_COUNTER_ID_LEVEL_TIMESCORE,
 801   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 802   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 803   ED_COUNTER_ID_LEVEL_RANDOM,
 804   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 805   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 806   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 807   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 808   ED_COUNTER_ID_BD_PUSHING_PROB,
 809   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 810   ED_COUNTER_ID_ELEMENT_VALUE1,
 811   ED_COUNTER_ID_ELEMENT_VALUE2,
 812   ED_COUNTER_ID_ELEMENT_VALUE3,
 813   ED_COUNTER_ID_ELEMENT_VALUE4,
 814   ED_COUNTER_ID_YAMYAM_CONTENT,
 815   ED_COUNTER_ID_BALL_CONTENT,
 816   ED_COUNTER_ID_ANDROID_CONTENT,
 817   ED_COUNTER_ID_ENVELOPE_XSIZE,
 818   ED_COUNTER_ID_ENVELOPE_YSIZE,
 819   ED_COUNTER_ID_INVENTORY_SIZE,
 820   ED_COUNTER_ID_MM_BALL_CONTENT,
 821   ED_COUNTER_ID_CUSTOM_SCORE,
 822   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 823   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 824   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 825   ED_COUNTER_ID_PUSH_DELAY_FIX,
 826   ED_COUNTER_ID_PUSH_DELAY_RND,
 827   ED_COUNTER_ID_DROP_DELAY_FIX,
 828   ED_COUNTER_ID_DROP_DELAY_RND,
 829   ED_COUNTER_ID_MOVE_DELAY_FIX,
 830   ED_COUNTER_ID_MOVE_DELAY_RND,
 831   ED_COUNTER_ID_STEP_DELAY_FIX,
 832   ED_COUNTER_ID_STEP_DELAY_RND,
 833   ED_COUNTER_ID_EXPLOSION_DELAY,
 834   ED_COUNTER_ID_IGNITION_DELAY,
 835   ED_COUNTER_ID_GROUP_CONTENT,
 836   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 837   ED_COUNTER_ID_CHANGE_DELAY_RND,
 838   ED_COUNTER_ID_CHANGE_CONT_RND,
 839
 840   ED_NUM_COUNTERBUTTONS
 841 };
 842
 843 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 844 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 845 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 846 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 847 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 848 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 849
 850 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 851 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 852 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 853 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 854 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 855 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 856
 857 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 858 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 859
 860 // values for scrollbutton gadgets
 861 enum
 862 {
 863   ED_SCROLLBUTTON_ID_AREA_UP,
 864   ED_SCROLLBUTTON_ID_AREA_DOWN,
 865   ED_SCROLLBUTTON_ID_AREA_LEFT,
 866   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 867   ED_SCROLLBUTTON_ID_LIST_UP,
 868   ED_SCROLLBUTTON_ID_LIST_DOWN,
 869
 870   ED_NUM_SCROLLBUTTONS
 871 };
 872
 873 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 874 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 875
 876 // values for scrollbar gadgets
 877 enum
 878 {
 879   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 880   ED_SCROLLBAR_ID_AREA_VERTICAL,
 881   ED_SCROLLBAR_ID_LIST_VERTICAL,
 882
 883   ED_NUM_SCROLLBARS
 884 };
 885
 886 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 887 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 888
 889 // values for text input gadgets
 890 enum
 891 {
 892   ED_TEXTINPUT_ID_LEVEL_NAME,
 893   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 894   ED_TEXTINPUT_ID_LEVELSET_NAME,
 895   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 896   ED_TEXTINPUT_ID_ELEMENT_NAME,
 897
 898   ED_NUM_TEXTINPUT
 899 };
 900
 901 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 902 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 903
 904 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 905 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 906
 907 // values for text area gadgets
 908 enum
 909 {
 910   ED_TEXTAREA_ID_ENVELOPE_INFO,
 911
 912   ED_NUM_TEXTAREAS
 913 };
 914
 915 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 916 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 917
 918 // values for selectbox gadgets
 919 enum
 920 {
 921   ED_SELECTBOX_ID_TIME_OR_STEPS,
 922   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 923   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 924   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 925   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 926   ED_SELECTBOX_ID_WIND_DIRECTION,
 927   ED_SELECTBOX_ID_PLAYER_SPEED,
 928   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 929   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 930   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 931   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 932   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 933   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 934   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 935   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 936   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 937   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 938   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 939   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 940   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 941   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 942   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 943   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 944   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 945   ED_SELECTBOX_ID_CHANGE_SIDE,
 946   ED_SELECTBOX_ID_CHANGE_PLAYER,
 947   ED_SELECTBOX_ID_CHANGE_PAGE,
 948   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 949   ED_SELECTBOX_ID_ACTION_TYPE,
 950   ED_SELECTBOX_ID_ACTION_MODE,
 951   ED_SELECTBOX_ID_ACTION_ARG,
 952   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 953   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 954
 955   ED_NUM_SELECTBOX
 956 };
 957
 958 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 959 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 960
 961 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 962 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 963
 964 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 965 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 966
 967 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 968 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 969 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 970 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 971 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 972 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 973
 974 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 975 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 976
 977 // values for textbutton gadgets
 978 enum
 979 {
 980   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 981   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 982   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 983   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 984   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 985   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 986   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 987   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 988   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 989   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 990   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 991   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 992   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 993   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 994
 995   ED_NUM_TEXTBUTTONS
 996 };
 997
 998 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 999 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1000
1001 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1002 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1003
1004 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1005 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1006
1007 // values for graphicbutton gadgets
1008 enum
1009 {
1010   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1011   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1012   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1013   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1014
1015   ED_NUM_GRAPHICBUTTONS
1016 };
1017
1018 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1019 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1020
1021 // values for checkbutton gadgets
1022 enum
1023 {
1024   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1025   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1026   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1027   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1028   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1029   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1030   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1031   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1032   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1033   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1034   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1035   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1036   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1037   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1038   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1039   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1040   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1041   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1042   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1043   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1044   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1045   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1046   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1047   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1048   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1049   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1050   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1051   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1052   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1053   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1054   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1055   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1056   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1057   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1058   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1059   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1060   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1061   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1062   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1063   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1064   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1065   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1066   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1067   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1068   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1069   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1070   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1071   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1072   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1073   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1074   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1075   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1076   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1077   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1078   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1079   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1080   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1081   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1082   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1083   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1084   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1085   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1086   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1087   ED_CHECKBUTTON_ID_MM_LASER_RED,
1088   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1089   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1090   ED_CHECKBUTTON_ID_DF_LASER_RED,
1091   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1092   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1093   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1094   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1095   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1096   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1097   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1098   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1099   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1100   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1101   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1102   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1103   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1104   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1105   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1106   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1107   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1108   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1109   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1110   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1111   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1112   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1113   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1114   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1115   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1116   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1117   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1118   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1119   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1120
1121   ED_NUM_CHECKBUTTONS
1122 };
1123
1124 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1125 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1126
1127 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1128 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1129
1130 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1131 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1132
1133 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1134 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1135
1136 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1137 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1138 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1139 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1140 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1141 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1142
1143 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1144 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1145
1146 // values for radiobutton gadgets
1147 enum
1148 {
1149   ED_RADIOBUTTON_ID_PERCENTAGE,
1150   ED_RADIOBUTTON_ID_QUANTITY,
1151
1152   ED_NUM_RADIOBUTTONS
1153 };
1154
1155 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1156 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1157
1158 // values for drawing area gadgets
1159 enum
1160 {
1161   ED_DRAWING_ID_DRAWING_LEVEL,
1162   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1163   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1164   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1165   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1166   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1167   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1168   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1169   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1170   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1171   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1172   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1173   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1174   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1175   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1176   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1177   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1178   ED_DRAWING_ID_ANDROID_CONTENT,
1179   ED_DRAWING_ID_AMOEBA_CONTENT,
1180   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1181   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1182   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1183   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1184   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1185   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1186   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1187   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1188   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1189   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1190   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1191   ED_DRAWING_ID_START_ELEMENT,
1192   ED_DRAWING_ID_ARTWORK_ELEMENT,
1193   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1194   ED_DRAWING_ID_INVENTORY_CONTENT,
1195   ED_DRAWING_ID_MM_BALL_CONTENT,
1196   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1197   ED_DRAWING_ID_CUSTOM_CONTENT,
1198   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1199   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1200   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1201   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1202   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1203   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1204   ED_DRAWING_ID_GROUP_CONTENT,
1205   ED_DRAWING_ID_RANDOM_BACKGROUND,
1206
1207   ED_NUM_DRAWING_AREAS
1208 };
1209
1210 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1211 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1212
1213
1214 // ----------------------------------------------------------------------------
1215 // some internally used definitions
1216 // ----------------------------------------------------------------------------
1217
1218 // values for CopyLevelToUndoBuffer()
1219 #define UNDO_IMMEDIATE                  0
1220 #define UNDO_ACCUMULATE                 1
1221
1222 // values for scrollbars
1223 #define ED_SCROLL_NO                    0
1224 #define ED_SCROLL_LEFT                  1
1225 #define ED_SCROLL_RIGHT                 2
1226 #define ED_SCROLL_UP                    4
1227 #define ED_SCROLL_DOWN                  8
1228
1229 // screens in the level editor
1230 #define ED_MODE_DRAWING                 0
1231 #define ED_MODE_LEVELCONFIG             1
1232 #define ED_MODE_PROPERTIES              2
1233 #define ED_MODE_PALETTE                 3
1234
1235 // sub-screens in the global settings section
1236 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1237 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1238 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1239 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1240
1241 // sub-screens in the element properties section
1242 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1243 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1244 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1245 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1246 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1247
1248 // how many steps can be cancelled
1249 #define NUM_UNDO_STEPS                  (64 + 1)
1250
1251 // values for elements with score for certain actions
1252 #define MIN_SCORE                       0
1253 #define MAX_SCORE                       999
1254
1255 // values for elements with count for collecting
1256 #define MIN_COLLECT_COUNT               0
1257 #define MAX_COLLECT_COUNT               999
1258
1259 // values for random placement
1260 #define RANDOM_USE_PERCENTAGE           0
1261 #define RANDOM_USE_QUANTITY             1
1262
1263 // values for level set save mode
1264 #define LEVELSET_SAVE_MODE_UPDATE       0
1265 #define LEVELSET_SAVE_MODE_CREATE       1
1266
1267 // default value for element tile size in drawing area
1268 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1269 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1270
1271
1272 // ----------------------------------------------------------------------------
1273 // some internally used data structure definitions
1274 // ----------------------------------------------------------------------------
1275
1276 static struct
1277 {
1278   int graphic;
1279   int gadget_id;
1280   struct XYTileSize *pos;
1281   int gadget_type;
1282   char *infotext;
1283   char shortcut;
1284 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1285 {
1286   // note: some additional characters are already reserved for "cheat mode"
1287   // shortcuts (":XYZ" style) -- for details, see "events.c"
1288
1289   // ---------- toolbox control buttons ---------------------------------------
1290
1291   {
1292     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1293     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1294     "Draw single items",                        's'
1295   },
1296   {
1297     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1298     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1299     "Draw connected items",                     'd'
1300   },
1301   {
1302     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1303     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1304     "Draw lines",                               'l'
1305   },
1306   {
1307     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1308     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1309     "Draw arcs",                                'a'
1310   },
1311   {
1312     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1313     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1314     "Draw outline rectangles",                  'r'
1315   },
1316   {
1317     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1318     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1319     "Draw filled rectangles",                   'R'
1320   },
1321   {
1322     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1323     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1324     "Wrap (rotate) level up",                   0
1325   },
1326   {
1327     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1328     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1329     "Enter text elements",                      't'
1330   },
1331   {
1332     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1333     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1334     "Flood fill",                               'f'
1335   },
1336   {
1337     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1338     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1339     "Wrap (rotate) level left",                 0
1340   },
1341   {
1342     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1343     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1344     "Zoom level tile size",                     '+'
1345   },
1346   {
1347     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1348     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1349     "Wrap (rotate) level right",                0
1350   },
1351   {
1352     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1353     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1354     "Random element placement",                 0
1355   },
1356   {
1357     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1358     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1359     "Grab brush",                               'b'
1360   },
1361   {
1362     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1363     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1364     "Wrap (rotate) level down",                 0
1365   },
1366   {
1367     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1368     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1369     "Pick drawing element",                     ','
1370   },
1371
1372   // ---------- level control buttons -----------------------------------------
1373
1374   {
1375     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1376     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1377     "Undo/redo last operation",                 'u'
1378   },
1379   {
1380     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1381     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1382     "Level and editor settings",                'I'
1383   },
1384   {
1385     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1386     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1387     "Save level",                               'S'
1388   },
1389   {
1390     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1391     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1392     "Clear level",                              'C'
1393   },
1394   {
1395     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1396     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1397     "Test level",                               'T'
1398   },
1399   {
1400     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1401     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1402     "Exit level editor",                        'E'
1403   },
1404
1405   // ---------- CE and GE control buttons -------------------------------------
1406
1407   {
1408     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1409     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1410     "Copy settings from other element",         0
1411   },
1412   {
1413     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1414     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1415     "Copy settings to other element",           0
1416   },
1417   {
1418     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1419     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1420     "Exchange element with other element",      0
1421   },
1422   {
1423     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1424     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1425     "Copy settings from this element",          0
1426   },
1427   {
1428     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1429     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1430     "Paste settings to this element",           0
1431   },
1432
1433   // ---------- palette control buttons ---------------------------------------
1434
1435   {
1436     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1437     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1438     "Properties of drawing element",            'p'
1439   },
1440   {
1441     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1442     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1443     "Properties of drawing element 1",          '1'
1444   },
1445   {
1446     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1447     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1448     "Properties of drawing element 2",          '2'
1449   },
1450   {
1451     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1452     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1453     "Properties of drawing element 3",          '3'
1454   },
1455   {
1456     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1457     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1458     "Show list of elements",                    'e'
1459   }
1460 };
1461
1462 static int random_placement_value = 10;
1463 static int random_placement_method = RANDOM_USE_QUANTITY;
1464 static int random_placement_background_element = EL_SAND;
1465 static boolean random_placement_background_restricted = FALSE;
1466 static boolean stick_element_properties_window = FALSE;
1467 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1468 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1469 static struct ElementChangeInfo custom_element_change;
1470 static struct ElementGroupInfo group_element_info;
1471 static struct ElementInfo custom_element;
1472
1473 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1474 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1475 static int levelset_num_levels = 100;
1476 static boolean levelset_use_levelset_artwork = FALSE;
1477 static boolean levelset_copy_level_template = FALSE;
1478 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1479
1480 static struct
1481 {
1482   int gadget_type_id;
1483   int x, y;
1484   int min_value, max_value;
1485   int gadget_id_down, gadget_id_up;
1486   int gadget_id_text;
1487   int gadget_id_align;
1488   int *value;
1489   char *text_above, *text_left, *text_right;
1490 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1491 {
1492   // ---------- current level number ------------------------------------------
1493
1494   {
1495     ED_COUNTER_ID_SELECT_LEVEL,
1496     -1, -1,     // these values are not constant, but can change at runtime
1497     1,                                  100,
1498     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1499     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1500     &level_nr,
1501     NULL,                               NULL, NULL
1502   },
1503
1504   // ---------- level and editor settings -------------------------------------
1505
1506   {
1507     ED_COUNTER_ID_LEVEL_XSIZE,
1508     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1509     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1510     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1511     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1512     &level.fieldx,
1513     "Playfield size:",                  NULL, "Width",
1514   },
1515   {
1516     ED_COUNTER_ID_LEVEL_YSIZE,
1517     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1518     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1519     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1520     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1521     &level.fieldy,
1522     NULL,                               " ", "Height",
1523   },
1524   {
1525     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1526     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1527     0,                                  999,
1528     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1529     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1530     &level.gems_needed,
1531     NULL,                               "Number of gems to collect:", NULL
1532   },
1533   {
1534     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1535     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1536     0,                                  9999,
1537     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1538     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1539     &level.time,
1540     "Time or step limit to solve level:", NULL, NULL
1541   },
1542   {
1543     ED_COUNTER_ID_LEVEL_TIMESCORE,
1544     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1545     0,                                  999,
1546     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1547     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1548     &level.score[SC_TIME_BONUS],
1549     "Score for time or steps left:",    NULL, NULL
1550   },
1551   {
1552     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1553     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1554     0,                                  9999,
1555     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1556     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1557     &level.random_seed,
1558     NULL,                               "Random seed:", "(0 => random)"
1559   },
1560   {
1561     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1562     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1563     1,                                  MAX_LEVELS,
1564     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1565     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1566     &levelset_num_levels,
1567     "Number of levels:",                NULL, NULL,
1568   },
1569   {
1570     ED_COUNTER_ID_LEVEL_RANDOM,
1571     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1572     1,                                  100,
1573     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1574     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1575     &random_placement_value,
1576     "Random element placement:",        NULL, "in"
1577   },
1578   {
1579     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1580     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1581     50,                                 500,
1582     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1583     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1584     &level.bd_cycle_delay_ms,
1585     NULL,                               NULL, "Game cycle delay (ms)"
1586   },
1587   {
1588     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1589     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1590     0,                                  32,
1591     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1592     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1593     &level.bd_cycle_delay_c64,
1594     NULL,                               NULL, "Game cycle delay (C64-style)"
1595   },
1596   {
1597     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1598     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1599     1,                                  40,
1600     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1601     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1602     &level.bd_hatching_delay_cycles,
1603     NULL,                               NULL, "Hatching delay (cycles)"
1604   },
1605   {
1606     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1607     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1608     1,                                  40,
1609     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1610     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1611     &level.bd_hatching_delay_seconds,
1612     NULL,                               NULL, "Hatching delay (seconds)"
1613   },
1614
1615   // ---------- element settings: configure (various elements) ----------------
1616
1617   {
1618     ED_COUNTER_ID_BD_PUSHING_PROB,
1619     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1620     0,                                  100,
1621     GADGET_ID_BD_PUSHING_PROB_DOWN,     GADGET_ID_BD_PUSHING_PROB_UP,
1622     GADGET_ID_BD_PUSHING_PROB_TEXT,     GADGET_ID_NONE,
1623     &level.bd_pushing_prob,
1624     NULL,                               NULL, "Push probability"
1625   },
1626   {
1627     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1628     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1629     0,                                  100,
1630     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1631     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1632     &level.bd_pushing_prob_with_sweet,
1633     NULL,                               NULL, "Push probability with sweet"
1634   },
1635   {
1636     ED_COUNTER_ID_ELEMENT_VALUE1,
1637     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1638     MIN_SCORE,                          MAX_SCORE,
1639     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1640     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1641     NULL,                               // will be set when used
1642     NULL,                               NULL, NULL
1643   },
1644   {
1645     ED_COUNTER_ID_ELEMENT_VALUE2,
1646     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1647     MIN_SCORE,                          MAX_SCORE,
1648     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1649     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1650     NULL,                               // will be set when used
1651     NULL,                               NULL, NULL
1652   },
1653   {
1654     ED_COUNTER_ID_ELEMENT_VALUE3,
1655     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1656     MIN_SCORE,                          MAX_SCORE,
1657     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1658     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1659     NULL,                               // will be set when used
1660     NULL,                               NULL, NULL
1661   },
1662   {
1663     ED_COUNTER_ID_ELEMENT_VALUE4,
1664     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1665     MIN_SCORE,                          MAX_SCORE,
1666     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1667     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1668     NULL,                               // will be set when used
1669     NULL,                               NULL, NULL
1670   },
1671   {
1672     ED_COUNTER_ID_YAMYAM_CONTENT,
1673     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1674     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1675     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1676     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1677     &level.num_yamyam_contents,
1678     NULL,                               NULL, "Number of content areas"
1679   },
1680   {
1681     ED_COUNTER_ID_BALL_CONTENT,
1682     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1683     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1684     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1685     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1686     &level.num_ball_contents,
1687     NULL,                               NULL, "Number of content areas"
1688   },
1689   {
1690     ED_COUNTER_ID_ANDROID_CONTENT,
1691     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1692     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1693     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1694     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1695     &level.num_android_clone_elements,
1696     NULL,                               NULL, "Number of clonable elements"
1697   },
1698   {
1699     ED_COUNTER_ID_ENVELOPE_XSIZE,
1700     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1701     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1702     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1703     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1704     NULL,                               // will be set when used
1705     NULL,                               NULL, "Width",
1706   },
1707   {
1708     ED_COUNTER_ID_ENVELOPE_YSIZE,
1709     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1710     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1711     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1712     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1713     NULL,                               // will be set when used
1714     NULL,                               " ", "Height",
1715   },
1716   {
1717     ED_COUNTER_ID_INVENTORY_SIZE,
1718     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1719     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1720     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1721     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1722     &level.initial_inventory_size[0],
1723     NULL,                               NULL, "Number of inventory elements"
1724   },
1725   {
1726     ED_COUNTER_ID_MM_BALL_CONTENT,
1727     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1728     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1729     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1730     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1731     &level.num_mm_ball_contents,
1732     NULL,                               NULL, "Number of content elements"
1733   },
1734
1735   // ---------- element settings: configure 1 (custom elements) ---------------
1736
1737   {
1738     ED_COUNTER_ID_CUSTOM_SCORE,
1739     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1740     MIN_SCORE,                          MAX_SCORE,
1741     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1742     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1743     &custom_element.collect_score_initial,
1744     NULL,                               "CE score", " "
1745   },
1746   {
1747     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1748     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1749     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1750     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1751     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1752     &custom_element.collect_count_initial,
1753     NULL,                               "CE count", NULL
1754   },
1755   {
1756     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1757     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1758     0,                                  9999,
1759     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1760     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1761     &custom_element.ce_value_fixed_initial,
1762     NULL,                               "CE value", NULL
1763   },
1764   {
1765     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1766     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1767     0,                                  9999,
1768     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1769     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1770     &custom_element.ce_value_random_initial,
1771     NULL,                               "+random", NULL
1772   },
1773   {
1774     ED_COUNTER_ID_PUSH_DELAY_FIX,
1775     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1776     0,                                  999,
1777     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1778     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1779     &custom_element.push_delay_fixed,
1780     NULL,                               "Push delay", NULL
1781   },
1782   {
1783     ED_COUNTER_ID_PUSH_DELAY_RND,
1784     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1785     0,                                  999,
1786     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1787     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1788     &custom_element.push_delay_random,
1789     NULL,                               "+random", NULL
1790   },
1791   {
1792     ED_COUNTER_ID_DROP_DELAY_FIX,
1793     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1794     0,                                  999,
1795     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1796     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1797     &custom_element.drop_delay_fixed,
1798     NULL,                               "Drop delay", NULL
1799   },
1800   {
1801     ED_COUNTER_ID_DROP_DELAY_RND,
1802     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1803     0,                                  999,
1804     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1805     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1806     &custom_element.drop_delay_random,
1807     NULL,                               "+random", NULL
1808   },
1809
1810   // ---------- element settings: configure 2 (custom elements) ---------------
1811
1812   {
1813     ED_COUNTER_ID_MOVE_DELAY_FIX,
1814     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1815     0,                                  999,
1816     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1817     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1818     &custom_element.move_delay_fixed,
1819     NULL,                               "Move delay", NULL
1820   },
1821   {
1822     ED_COUNTER_ID_MOVE_DELAY_RND,
1823     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1824     0,                                  999,
1825     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1826     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1827     &custom_element.move_delay_random,
1828     NULL,                               "+random", NULL
1829   },
1830   {
1831     ED_COUNTER_ID_STEP_DELAY_FIX,
1832     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1833     0,                                  999,
1834     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1835     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1836     &custom_element.step_delay_fixed,
1837     NULL,                               "Step delay", NULL
1838   },
1839   {
1840     ED_COUNTER_ID_STEP_DELAY_RND,
1841     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1842     0,                                  999,
1843     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1844     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1845     &custom_element.step_delay_random,
1846     NULL,                               "+random", NULL
1847   },
1848   {
1849     ED_COUNTER_ID_EXPLOSION_DELAY,
1850     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1851     0,                                  999,
1852     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1853     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1854     &custom_element.explosion_delay,
1855     NULL,                               "Explosion delay", NULL
1856   },
1857   {
1858     ED_COUNTER_ID_IGNITION_DELAY,
1859     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1860     0,                                  999,
1861     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1862     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1863     &custom_element.ignition_delay,
1864     NULL,                               "Ignition delay", "(by fire)"
1865   },
1866
1867   // ---------- element settings: configure (group elements) ------------------
1868
1869   {
1870     ED_COUNTER_ID_GROUP_CONTENT,
1871     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1872     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1873     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1874     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1875     &group_element_info.num_elements,
1876     NULL,                               NULL, "Number of elements in group"
1877   },
1878
1879   // ---------- element settings: advanced (custom elements) ------------------
1880
1881   {
1882     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1883     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1884     0,                                  999,
1885     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1886     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1887     &custom_element_change.delay_fixed,
1888     NULL,                               "CE delay", NULL,
1889   },
1890   {
1891     ED_COUNTER_ID_CHANGE_DELAY_RND,
1892     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1893     0,                                  999,
1894     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1895     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1896     &custom_element_change.delay_random,
1897     NULL,                               "+random", NULL
1898   },
1899   {
1900     ED_COUNTER_ID_CHANGE_CONT_RND,
1901     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1902     0,                                  100,
1903     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1904     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1905     &custom_element_change.random_percentage,
1906     NULL,                               "Use random replace:", "%"
1907   },
1908 };
1909
1910 static struct
1911 {
1912   int gadget_type_id;
1913   int x, y;
1914   int gadget_id;
1915   int size;
1916   char *value;
1917   char *text_above, *infotext;
1918 } textinput_info[ED_NUM_TEXTINPUT] =
1919 {
1920   {
1921     ED_TEXTINPUT_ID_LEVEL_NAME,
1922     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1923     GADGET_ID_LEVEL_NAME,
1924     MAX_LEVEL_NAME_LEN,
1925     level.name,
1926     "Title:", "Title for this level"
1927   },
1928   {
1929     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1930     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1931     GADGET_ID_LEVEL_AUTHOR,
1932     MAX_LEVEL_AUTHOR_LEN,
1933     level.author,
1934     "Author:", "Author for this level"
1935   },
1936   {
1937     ED_TEXTINPUT_ID_LEVELSET_NAME,
1938     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1939     GADGET_ID_LEVELSET_NAME,
1940     MAX_LEVEL_NAME_LEN,
1941     levelset_name,
1942     "Title:", "Title for this or new level set"
1943   },
1944   {
1945     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1946     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1947     GADGET_ID_LEVELSET_AUTHOR,
1948     MAX_LEVEL_AUTHOR_LEN,
1949     levelset_author,
1950     "Author:", "Author for this or new level set"
1951   },
1952   {
1953     ED_TEXTINPUT_ID_ELEMENT_NAME,
1954     -1, -1,     // these values are not constant, but can change at runtime
1955     GADGET_ID_ELEMENT_NAME,
1956     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1957     custom_element.description,
1958     NULL, "Element name"
1959   }
1960 };
1961
1962 static struct
1963 {
1964   int gadget_type_id;
1965   int x, y;
1966   int gadget_id;
1967   int xsize, ysize;
1968   char *value;
1969   char *text_above, *text_above_cropped, *infotext;
1970 } textarea_info[ED_NUM_TEXTAREAS] =
1971 {
1972   {
1973     ED_TEXTAREA_ID_ENVELOPE_INFO,
1974     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1975     GADGET_ID_ENVELOPE_INFO,
1976     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1977     NULL,
1978     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1979   }
1980 };
1981
1982 static struct ValueTextInfo options_time_or_steps[] =
1983 {
1984   { 0,                          "seconds"                       },
1985   { 1,                          "steps"                         },
1986
1987   { -1,                         NULL                            }
1988 };
1989
1990 static struct ValueTextInfo options_time_score_base[] =
1991 {
1992   { 1,                          "per second/step"               },
1993   { 10,                         "per 10 seconds/steps"          },
1994
1995   { -1,                         NULL                            }
1996 };
1997
1998 static struct ValueTextInfo options_game_engine_type[] =
1999 {
2000   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
2001   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
2002   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
2003   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
2004   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
2005
2006   { -1,                         NULL                            }
2007 };
2008
2009 static struct ValueTextInfo options_levelset_save_mode[] =
2010 {
2011   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
2012   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
2013
2014   { -1,                         NULL                            }
2015 };
2016
2017 static struct ValueTextInfo options_wind_direction[] =
2018 {
2019   { MV_START_NONE,              "none"                          },
2020   { MV_START_LEFT,              "left"                          },
2021   { MV_START_RIGHT,             "right"                         },
2022   { MV_START_UP,                "up"                            },
2023   { MV_START_DOWN,              "down"                          },
2024
2025   { -1,                         NULL                            }
2026 };
2027
2028 static struct ValueTextInfo options_player_speed[] =
2029 {
2030   { 0,                          "frozen"                        },
2031   { 1,                          "very slow"                     },
2032   { 2,                          "slow"                          },
2033   { 4,                          "normal"                        },
2034   { 8,                          "fast"                          },
2035   { 16,                         "very fast"                     },
2036   { 32,                         "ultrafast"                     },
2037
2038   { -1,                         NULL                            }
2039 };
2040
2041 static struct ValueTextInfo options_access_type[] =
2042 {
2043   { EP_WALKABLE,                "walkable"                      },
2044   { EP_PASSABLE,                "passable"                      },
2045
2046   { -1,                         NULL                            }
2047 };
2048
2049 static struct ValueTextInfo options_access_layer[] =
2050 {
2051   { EP_ACCESSIBLE_OVER,         "over"                          },
2052   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
2053   { EP_ACCESSIBLE_UNDER,        "under"                         },
2054
2055   { -1,                         NULL                            }
2056 };
2057
2058 static struct ValueTextInfo options_access_protected[] =
2059 {
2060   { 0,                          "unprotected"                   },
2061   { 1,                          "protected"                     },
2062
2063   { -1,                         NULL                            }
2064 };
2065
2066 static struct ValueTextInfo options_access_direction[] =
2067 {
2068   { MV_NO_DIRECTION,            "no direction"                  },
2069   { MV_LEFT,                    "left"                          },
2070   { MV_RIGHT,                   "right"                         },
2071   { MV_UP,                      "up"                            },
2072   { MV_DOWN,                    "down"                          },
2073   { MV_LEFT  | MV_UP,           "left + up"                     },
2074   { MV_LEFT  | MV_DOWN,         "left + down"                   },
2075   { MV_RIGHT | MV_UP,           "right + up"                    },
2076   { MV_RIGHT | MV_DOWN,         "right + down"                  },
2077   { MV_HORIZONTAL,              "horizontal"                    },
2078   { MV_VERTICAL,                "vertical"                      },
2079   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2080   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2081   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2082   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2083   { MV_ALL_DIRECTIONS,          "all directions"                },
2084
2085   { -1,                         NULL                            }
2086 };
2087
2088 static struct ValueTextInfo options_walk_to_action[] =
2089 {
2090   { EP_DIGGABLE,                "diggable"                      },
2091   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2092   { EP_DROPPABLE,               "collectible & droppable"       },
2093   { EP_THROWABLE,               "collectible & throwable"       },
2094   { EP_PUSHABLE,                "pushable"                      },
2095
2096   { -1,                         NULL                            }
2097 };
2098
2099 static struct ValueTextInfo options_move_pattern[] =
2100 {
2101   { MV_LEFT,                    "left"                          },
2102   { MV_RIGHT,                   "right"                         },
2103   { MV_UP,                      "up"                            },
2104   { MV_DOWN,                    "down"                          },
2105   { MV_HORIZONTAL,              "horizontal"                    },
2106   { MV_VERTICAL,                "vertical"                      },
2107   { MV_ALL_DIRECTIONS,          "all directions"                },
2108   { MV_WIND_DIRECTION,          "wind direction"                },
2109   { MV_TOWARDS_PLAYER,          "towards player"                },
2110   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2111   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2112   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2113   { MV_TURNING_LEFT,            "turning left"                  },
2114   { MV_TURNING_RIGHT,           "turning right"                 },
2115   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2116   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2117   { MV_TURNING_RANDOM,          "turning random"                },
2118   { MV_MAZE_RUNNER,             "maze runner style"             },
2119   { MV_MAZE_HUNTER,             "maze hunter style"             },
2120   { MV_WHEN_PUSHED,             "when pushed"                   },
2121   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2122
2123   { -1,                         NULL                            }
2124 };
2125
2126 static struct ValueTextInfo options_move_direction[] =
2127 {
2128   { MV_START_AUTOMATIC,         "automatic"                     },
2129   { MV_START_LEFT,              "left"                          },
2130   { MV_START_RIGHT,             "right"                         },
2131   { MV_START_UP,                "up"                            },
2132   { MV_START_DOWN,              "down"                          },
2133   { MV_START_RANDOM,            "random"                        },
2134   { MV_START_PREVIOUS,          "previous"                      },
2135
2136   { -1,                         NULL                            }
2137 };
2138
2139 static struct ValueTextInfo options_move_stepsize[] =
2140 {
2141   { 0,                          "not moving"                    },
2142   { 1,                          "very slow"                     },
2143   { 2,                          "slow"                          },
2144   { 4,                          "normal"                        },
2145   { 8,                          "fast"                          },
2146   { 16,                         "very fast"                     },
2147   { 32,                         "even faster"                   },
2148
2149   { -1,                         NULL                            }
2150 };
2151
2152 static struct ValueTextInfo options_move_leave_type[] =
2153 {
2154   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2155   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2156
2157   { -1,                         NULL                            }
2158 };
2159
2160 static struct ValueTextInfo options_smash_targets[] =
2161 {
2162   { EP_CAN_SMASH_PLAYER,        "player"                        },
2163 #if 0
2164   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2165 #endif
2166   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2167
2168   { -1,                         NULL                            }
2169 };
2170
2171 static struct ValueTextInfo options_slippery_type[] =
2172 {
2173   { SLIPPERY_ANY_RANDOM,        "random"                        },
2174   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2175   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2176   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2177   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2178
2179   { -1,                         NULL                            }
2180 };
2181
2182 static struct ValueTextInfo options_deadliness[] =
2183 {
2184   { EP_DONT_RUN_INTO,           "running into"                  },
2185   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2186   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2187   { EP_DONT_TOUCH,              "touching"                      },
2188
2189   { -1,                         NULL                            }
2190 };
2191
2192 static struct ValueTextInfo options_explosion_type[] =
2193 {
2194   { EXPLODES_3X3,               "3x3"                           },
2195   { EXPLODES_CROSS,             "3+3"                           },
2196   { EXPLODES_1X1,               "1x1"                           },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_time_units[] =
2202 {
2203   { 1,                          "frames"                        },
2204   { FRAMES_PER_SECOND,          "seconds"                       },
2205
2206   { -1,                         NULL                            }
2207 };
2208
2209 static struct ValueTextInfo options_change_direct_action[] =
2210 {
2211   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2212   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2213   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2214   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2215   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2216   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2217   { CE_LEFT_BY_PLAYER,          "left by player"                },
2218   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2219   { CE_SWITCHED,                "switched"                      },
2220   { CE_HITTING_SOMETHING,       "hitting something"             },
2221   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2222 #if 0
2223   { CE_BLOCKED,                 "blocked"                       },
2224 #endif
2225   { CE_IMPACT,                  "impact (on something)"         },
2226   { CE_SMASHED,                 "smashed (from above)"          },
2227 #if 0
2228   { CE_VALUE_CHANGES,           "CE value changes"              },
2229   { CE_SCORE_CHANGES,           "CE score changes"              },
2230 #endif
2231   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2232   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2233   { CE_UNDEFINED,               " "                             },
2234   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2235   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2236   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2237   { CE_UNDEFINED,               " "                             },
2238   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2239   { CE_NEXT_TO_PLAYER,          "next to player"                },
2240
2241   { -1,                         NULL                            }
2242 };
2243
2244 static struct ValueTextInfo options_change_other_action[] =
2245 {
2246   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2247   { CE_PLAYER_PRESSES_X,        "player presses"                },
2248   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2249   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2250   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2251   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2252   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2253   { CE_PLAYER_DIGS_X,           "player digs"                   },
2254   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2255   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2256   { CE_TOUCHING_X,              "touching"                      },
2257   { CE_HITTING_X,               "hitting"                       },
2258   { CE_DIGGING_X,               "digging"                       },
2259   { CE_HIT_BY_X,                "hit by"                        },
2260   { CE_SWITCH_OF_X,             "switch of"                     },
2261   { CE_CHANGE_OF_X,             "change by page of"             },
2262   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2263   { CE_MOVE_OF_X,               "move of"                       },
2264   { CE_CREATION_OF_X,           "creation of"                   },
2265   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2266   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2267   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2268   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2269   { CE_UNDEFINED,               " "                             },
2270   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2271   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2272   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2273   { CE_UNDEFINED,               " "                             },
2274   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2275   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2276   { CE_NEXT_TO_X,               "next to"                       },
2277
2278   { -1,                         NULL                            }
2279 };
2280
2281 static struct ValueTextInfo options_change_trigger_side[] =
2282 {
2283   { CH_SIDE_LEFT,               "left"                          },
2284   { CH_SIDE_RIGHT,              "right"                         },
2285   { CH_SIDE_TOP,                "top"                           },
2286   { CH_SIDE_BOTTOM,             "bottom"                        },
2287   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2288   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2289   { CH_SIDE_ANY,                "any"                           },
2290
2291   { -1,                         NULL                            }
2292 };
2293
2294 static struct ValueTextInfo options_change_trigger_player[] =
2295 {
2296   { CH_PLAYER_1,                "1"                             },
2297   { CH_PLAYER_2,                "2"                             },
2298   { CH_PLAYER_3,                "3"                             },
2299   { CH_PLAYER_4,                "4"                             },
2300   { CH_PLAYER_ANY,              "any"                           },
2301
2302   { -1,                         NULL                            }
2303 };
2304
2305 static struct ValueTextInfo options_change_trigger_page[] =
2306 {
2307   { (1u << 0),                  "1"                             },
2308   { (1u << 1),                  "2"                             },
2309   { (1u << 2),                  "3"                             },
2310   { (1u << 3),                  "4"                             },
2311   { (1u << 4),                  "5"                             },
2312   { (1u << 5),                  "6"                             },
2313   { (1u << 6),                  "7"                             },
2314   { (1u << 7),                  "8"                             },
2315   { (1u << 8),                  "9"                             },
2316   { (1u << 9),                  "10"                            },
2317   { (1u << 10),                 "11"                            },
2318   { (1u << 11),                 "12"                            },
2319   { (1u << 12),                 "13"                            },
2320   { (1u << 13),                 "14"                            },
2321   { (1u << 14),                 "15"                            },
2322   { (1u << 15),                 "16"                            },
2323   { (1u << 16),                 "17"                            },
2324   { (1u << 17),                 "18"                            },
2325   { (1u << 18),                 "19"                            },
2326   { (1u << 19),                 "20"                            },
2327   { (1u << 20),                 "21"                            },
2328   { (1u << 21),                 "22"                            },
2329   { (1u << 22),                 "23"                            },
2330   { (1u << 23),                 "24"                            },
2331   { (1u << 24),                 "25"                            },
2332   { (1u << 25),                 "26"                            },
2333   { (1u << 26),                 "27"                            },
2334   { (1u << 27),                 "28"                            },
2335   { (1u << 28),                 "29"                            },
2336   { (1u << 29),                 "30"                            },
2337   { (1u << 30),                 "31"                            },
2338   { (1u << 31),                 "32"                            },
2339   { CH_PAGE_ANY,                "any"                           },
2340
2341   { -1,                         NULL                            }
2342 };
2343
2344 static struct ValueTextInfo options_change_replace_when[] =
2345 {
2346   { CP_WHEN_EMPTY,              "empty"                         },
2347   { CP_WHEN_WALKABLE,           "walkable"                      },
2348   { CP_WHEN_DIGGABLE,           "diggable"                      },
2349   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2350   { CP_WHEN_REMOVABLE,          "removable"                     },
2351   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2352
2353   { -1,                         NULL                            }
2354 };
2355
2356 static struct ValueTextInfo options_action_type[] =
2357 {
2358   { CA_NO_ACTION,               "no action"                     },
2359   { CA_UNDEFINED,               " "                             },
2360   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2361   { CA_RESTART_LEVEL,           "restart level"                 },
2362   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2363   { CA_SET_LEVEL_TIME,          "set time"                      },
2364   { CA_SET_LEVEL_SCORE,         "set score"                     },
2365   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2366   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2367   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2368   { CA_UNDEFINED,               " "                             },
2369   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2370   { CA_MOVE_PLAYER,             "move player"                   },
2371   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2372   { CA_EXIT_PLAYER,             "exit player"                   },
2373   { CA_KILL_PLAYER,             "kill player"                   },
2374   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2375   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2376   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2377   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2378   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2379   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2380   { CA_UNDEFINED,               " "                             },
2381   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2382   { CA_SET_CE_VALUE,            "set CE value"                  },
2383   { CA_SET_CE_SCORE,            "set CE score"                  },
2384   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2385   { CA_UNDEFINED,               " "                             },
2386   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2387   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2388
2389   { -1,                         NULL                            }
2390 };
2391
2392 static struct ValueTextInfo options_action_mode_none[] =
2393 {
2394   { CA_MODE_UNDEFINED,          " "                             },
2395
2396   { -1,                         NULL                            }
2397 };
2398
2399 static struct ValueTextInfo options_action_mode_assign[] =
2400 {
2401   { CA_MODE_SET,                "="                             },
2402
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_action_mode_add_remove[] =
2407 {
2408   { CA_MODE_ADD,                "+"                             },
2409   { CA_MODE_SUBTRACT,           "-"                             },
2410
2411   { -1,                         NULL                            }
2412 };
2413
2414 static struct ValueTextInfo options_action_mode_calculate[] =
2415 {
2416   { CA_MODE_SET,                "="                             },
2417   { CA_MODE_ADD,                "+"                             },
2418   { CA_MODE_SUBTRACT,           "-"                             },
2419   { CA_MODE_MULTIPLY,           "*"                             },
2420   { CA_MODE_DIVIDE,             "/"                             },
2421   { CA_MODE_MODULO,             "%"                             },
2422
2423   { -1,                         NULL                            }
2424 };
2425
2426 static struct ValueTextInfo options_action_arg_none[] =
2427 {
2428   { CA_ARG_UNDEFINED,           "         "                     },
2429
2430   { -1,                         NULL                            }
2431 };
2432
2433 static struct ValueTextInfo options_action_arg_player[] =
2434 {
2435   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2436   { CA_ARG_PLAYER_1,            "1"                             },
2437   { CA_ARG_PLAYER_2,            "2"                             },
2438   { CA_ARG_PLAYER_3,            "3"                             },
2439   { CA_ARG_PLAYER_4,            "4"                             },
2440   { CA_ARG_PLAYER_ANY,          "any"                           },
2441   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2442   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2443
2444   { -1,                         NULL                            }
2445 };
2446
2447 static struct ValueTextInfo options_action_arg_number[] =
2448 {
2449   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2450   { CA_ARG_0,                   "0"                             },
2451   { CA_ARG_1,                   "1"                             },
2452   { CA_ARG_2,                   "2"                             },
2453   { CA_ARG_3,                   "3"                             },
2454   { CA_ARG_4,                   "4"                             },
2455   { CA_ARG_5,                   "5"                             },
2456   { CA_ARG_10,                  "10"                            },
2457   { CA_ARG_100,                 "100"                           },
2458   { CA_ARG_1000,                "1000"                          },
2459   { CA_ARG_UNDEFINED,           " "                             },
2460   { CA_ARG_NUMBER_MIN,          "min"                           },
2461   { CA_ARG_NUMBER_MAX,          "max"                           },
2462   { CA_ARG_UNDEFINED,           " "                             },
2463   { CA_ARG_NUMBER_RESET,        "reset"                         },
2464   { CA_ARG_UNDEFINED,           " "                             },
2465   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2466   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2467   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2468   { CA_ARG_UNDEFINED,           " "                             },
2469   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2470   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2471   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2472   { CA_ARG_UNDEFINED,           " "                             },
2473   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2474   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2475   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2476   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2477   { CA_ARG_UNDEFINED,           " "                             },
2478   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2479   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2480   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2481   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2482
2483   { -1,                         NULL                            }
2484 };
2485
2486 static struct ValueTextInfo options_action_arg_value[] =
2487 {
2488   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2489   { CA_ARG_0,                   "0"                             },
2490   { CA_ARG_1,                   "1"                             },
2491   { CA_ARG_2,                   "2"                             },
2492   { CA_ARG_3,                   "3"                             },
2493   { CA_ARG_4,                   "4"                             },
2494   { CA_ARG_5,                   "5"                             },
2495   { CA_ARG_10,                  "10"                            },
2496   { CA_ARG_100,                 "100"                           },
2497   { CA_ARG_1000,                "1000"                          },
2498   { CA_ARG_UNDEFINED,           " "                             },
2499   { CA_ARG_NUMBER_MIN,          "min"                           },
2500   { CA_ARG_NUMBER_MAX,          "max"                           },
2501   { CA_ARG_UNDEFINED,           " "                             },
2502   { CA_ARG_NUMBER_RESET,        "reset"                         },
2503   { CA_ARG_UNDEFINED,           " "                             },
2504   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2505   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2506   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2507   { CA_ARG_UNDEFINED,           " "                             },
2508   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2509   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2510   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2511   { CA_ARG_UNDEFINED,           " "                             },
2512   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2513   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2514   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2515   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2516   { CA_ARG_UNDEFINED,           " "                             },
2517   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2518   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2519   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2520   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2521   { CA_ARG_UNDEFINED,           " "                             },
2522   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2523   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2524   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2525   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2526
2527   { -1,                         NULL                            }
2528 };
2529
2530 static struct ValueTextInfo options_action_arg_envelope[] =
2531 {
2532   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2533   { CA_ARG_1,                   "1"                             },
2534   { CA_ARG_2,                   "2"                             },
2535   { CA_ARG_3,                   "3"                             },
2536   { CA_ARG_4,                   "4"                             },
2537   { CA_ARG_UNDEFINED,           " "                             },
2538   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2539   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2540   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2541   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2542
2543   { -1,                         NULL                            }
2544 };
2545
2546 static struct ValueTextInfo options_action_arg_key[] =
2547 {
2548   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2549   { CA_ARG_1,                   "1"                             },
2550   { CA_ARG_2,                   "2"                             },
2551   { CA_ARG_3,                   "3"                             },
2552   { CA_ARG_4,                   "4"                             },
2553   { CA_ARG_5,                   "5"                             },
2554   { CA_ARG_6,                   "6"                             },
2555   { CA_ARG_7,                   "7"                             },
2556   { CA_ARG_8,                   "8"                             },
2557   { CA_ARG_UNDEFINED,           " "                             },
2558   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2559   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2560   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2561   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2562
2563   { -1,                         NULL                            }
2564 };
2565
2566 static struct ValueTextInfo options_action_arg_speed[] =
2567 {
2568   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2569   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2570   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2571   { CA_ARG_SPEED_SLOW,          "slow"                          },
2572   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2573   { CA_ARG_SPEED_FAST,          "fast"                          },
2574   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2575   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2576   { CA_ARG_UNDEFINED,           " "                             },
2577   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2578   { CA_ARG_SPEED_FASTER,        "faster"                        },
2579   { CA_ARG_UNDEFINED,           " "                             },
2580   { CA_ARG_SPEED_RESET,         "reset"                         },
2581
2582   { -1,                         NULL                            }
2583 };
2584
2585 static struct ValueTextInfo options_action_arg_shield[] =
2586 {
2587   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2588   { CA_ARG_SHIELD_OFF,          "off"                           },
2589   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2590   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2591
2592   { -1,                         NULL                            }
2593 };
2594
2595 static struct ValueTextInfo options_action_arg_artwork[] =
2596 {
2597   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2598   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2599   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2600   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2601   { CA_ARG_UNDEFINED,           " "                             },
2602   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2603
2604   { -1,                         NULL                            }
2605 };
2606
2607 static struct ValueTextInfo options_action_arg_gravity[] =
2608 {
2609   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2610   { CA_ARG_GRAVITY_ON,          "on"                            },
2611   { CA_ARG_GRAVITY_OFF,         "off"                           },
2612   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2613
2614   { -1,                         NULL                            }
2615 };
2616
2617 static struct ValueTextInfo options_action_arg_direction[] =
2618 {
2619   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2620   { CA_ARG_DIRECTION_NONE,      "none"                          },
2621   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2622   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2623   { CA_ARG_DIRECTION_UP,        "up"                            },
2624   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2625   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2626   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2627
2628   { -1,                         NULL                            }
2629 };
2630
2631 static struct ValueTextInfo options_action_arg_scan_mode[] =
2632 {
2633   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2634   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2635   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2636
2637   { -1,                         NULL                            }
2638 };
2639
2640 static struct ValueTextInfo options_action_arg_inventory[] =
2641 {
2642   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2643   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2644   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2645   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2646   { CA_ARG_UNDEFINED,           " "                             },
2647   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2648   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2649   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2650   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2651   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2652   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2653   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2654   { CA_ARG_UNDEFINED,           " "                             },
2655   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2656
2657   { -1,                         NULL                            }
2658 };
2659
2660 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2661 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2662 {
2663   { -1,                         NULL                            }
2664 };
2665
2666 static struct ValueTextInfo options_group_choice_mode[] =
2667 {
2668   { ANIM_RANDOM,                "random"                        },
2669   { ANIM_LOOP,                  "loop"                          },
2670   { ANIM_LINEAR,                "linear"                        },
2671   { ANIM_PINGPONG,              "pingpong"                      },
2672   { ANIM_PINGPONG2,             "pingpong 2"                    },
2673   { ANIM_LEVEL_NR,              "level number"                  },
2674
2675   { -1,                         NULL                            }
2676 };
2677
2678 static struct ValueTextInfo options_bd_scheduling_type[] =
2679 {
2680   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2681   { GD_SCHEDULING_BD1,            "BD1"                         },
2682   { GD_SCHEDULING_BD2,            "BD2"                         },
2683   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2684   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2685   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2686   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2687
2688   { -1,                           NULL                          }
2689 };
2690
2691 static struct ValueTextInfo *action_arg_modes[] =
2692 {
2693   options_action_mode_none,
2694   options_action_mode_assign,
2695   options_action_mode_add_remove,
2696   options_action_mode_calculate,
2697 };
2698
2699 static struct
2700 {
2701   int value;
2702   int mode;
2703   struct ValueTextInfo *options;
2704 }
2705 action_arg_options[] =
2706 {
2707   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2708   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2709   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2710   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2711   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2712   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2713   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2714   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2715   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2716   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2717   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2718   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2719   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2720   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2721   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2722   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2723   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2724   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2725   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2726   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2727   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2728   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2729
2730   { -1,                         FALSE,  NULL                            }
2731 };
2732
2733 static struct
2734 {
2735   int gadget_type_id;
2736   int x, y;
2737   int gadget_id;
2738   int gadget_id_align;
2739   int size;     // char size of selectbox or '-1' (dynamically determined)
2740   struct ValueTextInfo *options;
2741   int *value;
2742   char *text_above, *text_left, *text_right, *infotext;
2743 } selectbox_info[ED_NUM_SELECTBOX] =
2744 {
2745   // ---------- level and editor settings -------------------------------------
2746
2747   {
2748     ED_SELECTBOX_ID_TIME_OR_STEPS,
2749     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2750     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2751     -1,
2752     options_time_or_steps,
2753     &level.use_step_counter,
2754     NULL, NULL, "(0 => no limit)",      "Select time or step limit"
2755   },
2756   {
2757     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2758     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2759     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2760     -1,
2761     options_time_score_base,
2762     &level.time_score_base,
2763     NULL, NULL, NULL,                   "Select time score for 1 or 10 seconds/steps"
2764   },
2765   {
2766     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2767     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2768     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2769     -1,
2770     options_game_engine_type,
2771     &level.game_engine_type,
2772     NULL, "Game engine:", NULL,         "Select game engine"
2773   },
2774   {
2775     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2776     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2777     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2778     -1,
2779     options_bd_scheduling_type,
2780     &level.bd_scheduling_type,
2781     NULL, "Scheduling type:", NULL,     "Select level timing"
2782   },
2783   {
2784     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2785     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2786     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2787     -1,
2788     options_levelset_save_mode,
2789     &levelset_save_mode,
2790     "Action:", NULL, NULL,              "Select action when saving level set"
2791   },
2792
2793   // ---------- element settings: configure (several elements) ----------------
2794
2795   {
2796     ED_SELECTBOX_ID_WIND_DIRECTION,
2797     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2798     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2799     -1,
2800     options_wind_direction,
2801     &level.wind_direction_initial,
2802     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2803   },
2804   {
2805     ED_SELECTBOX_ID_PLAYER_SPEED,
2806     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2807     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2808     -1,
2809     options_player_speed,
2810     &level.initial_player_stepsize[0],
2811     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2812   },
2813   {
2814     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2815     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2816     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2817     -1,
2818     options_group_choice_mode,
2819     &level.mm_ball_choice_mode,
2820     NULL, "Choice type:", NULL,         "Select type of content choice"
2821   },
2822
2823   // ---------- element settings: configure 1 (custom elements) ---------------
2824
2825   {
2826     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2827     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2828     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2829     -1,
2830     options_access_type,
2831     &custom_element.access_type,
2832     NULL, NULL, NULL,                   "Select type of access to this field"
2833   },
2834   {
2835     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2836     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2837     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2838     -1,
2839     options_access_layer,
2840     &custom_element.access_layer,
2841     NULL, NULL, NULL,                   "Select layer of access for this field"
2842   },
2843   {
2844     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2845     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2846     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2847     -1,
2848     options_access_protected,
2849     &custom_element.access_protected,
2850     NULL, NULL, NULL,                   "Select protected access for this field"
2851   },
2852   {
2853     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2854     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2855     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2856     -1,
2857     options_access_direction,
2858     &custom_element.access_direction,
2859     NULL, "from", NULL,                 "Select access direction for this field"
2860   },
2861   {
2862     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2863     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2864     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2865     -1,
2866     options_walk_to_action,
2867     &custom_element.walk_to_action,
2868     NULL, NULL, NULL,                   "Select diggable/collectible/pushable"
2869   },
2870
2871   // ---------- element settings: configure 2 (custom elements) ---------------
2872
2873   {
2874     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2875     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2876     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2877     -1,
2878     options_move_pattern,
2879     &custom_element.move_pattern,
2880     NULL, "Can move", NULL,             "Select element move pattern"
2881   },
2882   {
2883     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2884     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2885     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2886     -1,
2887     options_move_direction,
2888     &custom_element.move_direction_initial,
2889     NULL, "Starts moving", NULL,        "Select initial element move direction"
2890   },
2891   {
2892     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2893     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2894     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2895     -1,
2896     options_move_stepsize,
2897     &custom_element.move_stepsize,
2898     NULL, "Move/fall speed", NULL,      "Select speed of element movement"
2899   },
2900   {
2901     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2902     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2903     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2904     -1,
2905     options_move_leave_type,
2906     &custom_element.move_leave_type,
2907     // left text with leading spaces to place gadget next to "can dig" gadget
2908     // (needed because drawing area gadgets created after selectbox gadgets)
2909     // NULL, "can dig:    can", ":",    "leave behind or change element"
2910     NULL, "            Can", ":",       "Select leave behind or change element"
2911   },
2912   {
2913     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2914     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2915     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2916     -1,
2917     options_smash_targets,
2918     &custom_element.smash_targets,
2919     NULL, "Can smash", NULL,            "Select elements that can be smashed"
2920   },
2921   {
2922     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2923     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2924     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2925     -1,
2926     options_slippery_type,
2927     &custom_element.slippery_type,
2928     NULL, "Slippery", NULL,             "Select where other elements fall down"
2929   },
2930   {
2931     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2932     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2933     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2934     -1,
2935     options_deadliness,
2936     &custom_element.deadliness,
2937     NULL, "Deadly when", NULL,          "Select deadliness of element"
2938   },
2939   {
2940     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2941     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2942     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2943     -1,
2944     options_explosion_type,
2945     &custom_element.explosion_type,
2946     NULL, "Can explode", NULL,          "Select explosion type"
2947   },
2948
2949   // ---------- element settings: advanced (custom elements) ------------------
2950
2951   {
2952     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2953     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2954     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2955     -1,
2956     options_time_units,
2957     &custom_element_change.delay_frames,
2958     NULL, "Delay time given in", NULL,  "Select delay time units for change"
2959   },
2960   {
2961     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2962     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2963     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2964     -1,
2965     options_change_direct_action,
2966     &custom_element_change.direct_action,
2967     NULL, NULL, NULL,                   "Select type of direct action"
2968   },
2969   {
2970     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2971     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2972     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2973     -1,
2974     options_change_other_action,
2975     &custom_element_change.other_action,
2976     NULL, NULL, "element:",             "Select type of other element action"
2977   },
2978   {
2979     ED_SELECTBOX_ID_CHANGE_SIDE,
2980     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2981     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2982     -1,
2983     options_change_trigger_side,
2984     &custom_element_change.trigger_side,
2985     NULL, "at", "side",                 "Select element side triggering change"
2986   },
2987   {
2988     ED_SELECTBOX_ID_CHANGE_PLAYER,
2989     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2990     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2991     -1,
2992     options_change_trigger_player,
2993     &custom_element_change.trigger_player,
2994     NULL, "Player:", " ",               "Select player that causes change"
2995   },
2996   {
2997     ED_SELECTBOX_ID_CHANGE_PAGE,
2998     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2999     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
3000     -1,
3001     options_change_trigger_page,
3002     &custom_element_change.trigger_page,
3003     NULL, "Page:", NULL,                "Select change page that causes change"
3004   },
3005   {
3006     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3007     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
3008     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
3009     -1,
3010     options_change_replace_when,
3011     &custom_element_change.replace_when,
3012     NULL, "Replace when", NULL,         "Select which elements can be replaced"
3013   },
3014   {
3015     ED_SELECTBOX_ID_ACTION_TYPE,
3016     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
3017     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
3018     15,
3019     options_action_type,
3020     &custom_element_change.action_type,
3021     NULL, NULL, NULL,                   "Select action on specified condition"
3022   },
3023   {
3024     ED_SELECTBOX_ID_ACTION_MODE,
3025     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3026     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
3027     -1,
3028     options_action_mode_none,
3029     &custom_element_change.action_mode,
3030     NULL, NULL, NULL,                   "Select action operator"
3031   },
3032   {
3033     ED_SELECTBOX_ID_ACTION_ARG,
3034     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
3035     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
3036     -1,
3037     options_action_arg_none,
3038     &custom_element_change.action_arg,
3039     NULL, NULL, NULL,                   "Select action parameter"
3040   },
3041   {
3042     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3043     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
3044     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
3045     3,
3046     options_change_page,
3047     &custom_element.current_change_page,
3048     NULL, NULL, NULL,                   "Select element change page"
3049   },
3050
3051   // ---------- element settings: configure (group elements) ------------------
3052
3053   {
3054     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3055     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3056     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
3057     -1,
3058     options_group_choice_mode,
3059     &group_element_info.choice_mode,
3060     NULL, "Choice type:", NULL,         "Select type of group element choice"
3061   },
3062 };
3063
3064 static struct
3065 {
3066   int gadget_type_id;
3067   int x, y;
3068   int gadget_id;
3069   int gadget_id_align;
3070   int size;
3071   char *text;
3072   char *text_above, *text_left, *text_right, *infotext;
3073 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3074 {
3075   // ---------- level and editor settings (tabs) ------------------------------
3076
3077   {
3078     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3079     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3080     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3081     8,                                  "Level",
3082     NULL, NULL, NULL,                   "Configure level settings"
3083   },
3084   {
3085     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3086     -1,                                 -1,
3087     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3088     8,                                  "Levelset",
3089     NULL, NULL, NULL,                   "Update this or create new level set"
3090   },
3091   {
3092     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3093     -1,                                 -1,
3094     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3095     8,                                  "Editor",
3096     NULL, NULL, NULL,                   "Configure editor settings"
3097   },
3098   {
3099     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3100     -1,                                 -1,
3101     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3102     8,                                  "Engine",
3103     NULL, NULL, NULL,                   "Configure engine settings"
3104   },
3105
3106   // ---------- element settings (tabs) ---------------------------------------
3107
3108   {
3109     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3110     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3111     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3112     8,                                  "Info",
3113     NULL, NULL, NULL,                   "Show information about element"
3114   },
3115   {
3116     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3117     -1,                                 -1,
3118     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3119     8,                                  "Config",
3120     NULL, NULL, NULL,                   "Configure element properties"
3121   },
3122   {
3123     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3124     -1,                                 -1,
3125     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3126     8,                                  "Config 1",
3127     NULL, NULL, NULL,                   "Configure element properties, part 1"
3128   },
3129   {
3130     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3131     -1,                                 -1,
3132     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3133     8,                                  "Config 2",
3134     NULL, NULL, NULL,                   "Configure element properties, part 2"
3135   },
3136   {
3137     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3138     -1,                                 -1,
3139     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3140     8,                                  "Change",
3141     NULL, NULL, NULL,                   "Configure custom element change pages"
3142   },
3143
3144   // ---------- level and editor settings (buttons) ---------------------------
3145
3146   {
3147     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3148     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3149     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3150     -1,                                 "Save",
3151     NULL, NULL, NULL,                   "Update or create level set"
3152   },
3153   {
3154     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3155     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3156     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3157     -1,                                 "Save",
3158     NULL, NULL,                         "this level as level template",
3159     "Save current settings as new template"
3160   },
3161
3162   // ---------- element settings (buttons) ------------------------------------
3163
3164   {
3165     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3166     -1,                                 -1,
3167     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3168     -1,                                 "Save",
3169     NULL, " ",                          "As Template",
3170     "Save current settings as new template"
3171   },
3172   {
3173     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3174     -1,                                 -1,
3175     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3176     -1,                                 "New",
3177     NULL, NULL, NULL,                   "Add new change page"
3178   },
3179   {
3180     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3181     -1,                                 -1,
3182     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3183     -1,                                 "Delete",
3184     NULL, NULL, NULL,                   "Delete current change page"
3185   },
3186 };
3187
3188 static struct
3189 {
3190   int gadget_type_id;
3191   int graphic;
3192   int x, y;
3193   int gadget_id;
3194   int gadget_id_align;
3195   char *text_left, *text_right, *infotext;
3196 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3197 {
3198   {
3199     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3200     IMG_EDITOR_COUNTER_DOWN,
3201     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3202     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3203     NULL, NULL,                         "Select previous change page"
3204   },
3205   {
3206     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3207     IMG_EDITOR_COUNTER_UP,
3208     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3209     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3210     NULL, "Change page",                "Select next change page"
3211   },
3212   {
3213     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3214     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3215     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3216     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3217     " ", NULL,                          "Copy settings from this change page"
3218   },
3219   {
3220     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3221     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3222     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3223     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3224     NULL, NULL,                         "Paste settings to this change page"
3225   },
3226 };
3227
3228 static struct
3229 {
3230   int x, y;
3231 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3232
3233 static struct
3234 {
3235   int gadget_type_id;
3236   int graphic;
3237   int gadget_id;
3238   char *infotext;
3239 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3240 {
3241   {
3242     ED_SCROLLBUTTON_ID_AREA_UP,
3243     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3244     GADGET_ID_SCROLL_UP,
3245     "Scroll level editing area up"
3246   },
3247   {
3248     ED_SCROLLBUTTON_ID_AREA_DOWN,
3249     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3250     GADGET_ID_SCROLL_DOWN,
3251     "Scroll level editing area down"
3252   },
3253   {
3254     ED_SCROLLBUTTON_ID_AREA_LEFT,
3255     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3256     GADGET_ID_SCROLL_LEFT,
3257     "Scroll level editing area left"
3258   },
3259   {
3260     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3261     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3262     GADGET_ID_SCROLL_RIGHT,
3263     "Scroll level editing area right"
3264   },
3265   {
3266     ED_SCROLLBUTTON_ID_LIST_UP,
3267     IMG_EDITOR_PALETTE_SCROLL_UP,
3268     GADGET_ID_SCROLL_LIST_UP,
3269     "Scroll element list up ('Page Up')"
3270   },
3271   {
3272     ED_SCROLLBUTTON_ID_LIST_DOWN,
3273     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3274     GADGET_ID_SCROLL_LIST_DOWN,
3275     "Scroll element list down ('Page Down')"
3276   },
3277 };
3278
3279 static struct
3280 {
3281   int x, y;
3282   int width, height;
3283   int wheel_x, wheel_y;
3284   int wheel_width, wheel_height;
3285 } scrollbar_pos[ED_NUM_SCROLLBARS];
3286
3287 static struct
3288 {
3289   int gadget_type_id;
3290   int graphic;
3291   int type;
3292   int gadget_id;
3293   char *infotext;
3294 } scrollbar_info[ED_NUM_SCROLLBARS] =
3295 {
3296   {
3297     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3298     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3299     GD_TYPE_SCROLLBAR_HORIZONTAL,
3300     GADGET_ID_SCROLL_HORIZONTAL,
3301     "Scroll level editing area horizontally"
3302   },
3303   {
3304     ED_SCROLLBAR_ID_AREA_VERTICAL,
3305     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3306     GD_TYPE_SCROLLBAR_VERTICAL,
3307     GADGET_ID_SCROLL_VERTICAL,
3308     "Scroll level editing area vertically"
3309   },
3310   {
3311     ED_SCROLLBAR_ID_LIST_VERTICAL,
3312     IMG_EDITOR_PALETTE_SCROLLBAR,
3313     GD_TYPE_SCROLLBAR_VERTICAL,
3314     GADGET_ID_SCROLL_LIST_VERTICAL,
3315     "Scroll element list vertically"
3316   }
3317 };
3318
3319
3320 static struct
3321 {
3322   int gadget_type_id;
3323   int x, y;
3324   int gadget_id;
3325   int gadget_id_align;
3326   int radio_button_nr;
3327   int *value;
3328   int checked_value;
3329   char *text_left, *text_right, *infotext;
3330 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3331 {
3332   {
3333     ED_RADIOBUTTON_ID_PERCENTAGE,
3334     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3335     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3336     RADIO_NR_RANDOM_ELEMENTS,
3337     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3338     " ", "percentage",                  "Use percentage for random elements"
3339   },
3340   {
3341     ED_RADIOBUTTON_ID_QUANTITY,
3342     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3343     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3344     RADIO_NR_RANDOM_ELEMENTS,
3345     &random_placement_method,           RANDOM_USE_QUANTITY,
3346     " ", "quantity",                    "Use quantity for random elements"
3347   }
3348 };
3349
3350 static struct
3351 {
3352   int gadget_type_id;
3353   int x, y;
3354   int gadget_id;
3355   int gadget_id_align;
3356   boolean *value;
3357   char *text_above, *text_left, *text_right, *infotext;
3358 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3359 {
3360   // ---------- level and editor settings -------------------------------------
3361
3362   {
3363     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3364     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3365     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3366     &level.auto_count_gems,
3367     NULL, NULL,
3368     "Automatically count gems needed",  "Set counter to number of gems"
3369   },
3370   {
3371     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3372     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3373     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3374     &level.rate_time_over_score,
3375     NULL, NULL,
3376     "Rate time/steps used over score",  "Sort high scores by playing time/steps"
3377   },
3378   {
3379     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3380     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3381     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3382     &levelset_use_levelset_artwork,
3383     NULL, NULL,
3384     "Use current custom artwork",       "Use custom artwork of this level set"
3385   },
3386   {
3387     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3388     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3389     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3390     &levelset_copy_level_template,
3391     NULL, NULL,
3392     "Copy current level template",      "Copy level template of this level set"
3393   },
3394   {
3395     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3396     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3397     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3398     &random_placement_background_restricted,
3399     NULL, NULL,
3400     "Restrict random placement to:",    "Set random placement restriction"
3401   },
3402   {
3403     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3404     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3405     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3406     &setup.editor.use_template_for_new_levels,
3407     "Template for new levels and CE/GE:", NULL,
3408     "Use template for new levels",      "Use template for level properties"
3409   },
3410   {
3411     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3412     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3413     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3414     &level.use_custom_template,
3415     NULL, NULL,
3416     "Use template for custom elements", "Use template for custom properties"
3417   },
3418   {
3419     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3420     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3421     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3422     &level.bd_intermission,
3423     "Boulder Dash game engine settings:", NULL,
3424     "Intermission",                     "Level is an intermission level"
3425   },
3426   {
3427     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3428     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3429     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3430     &level.bd_pal_timing,
3431     NULL, NULL,
3432     "PAL timing",                       "Use slower timer (like PAL C64)"
3433   },
3434   {
3435     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3436     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3437     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3438     &level.bd_line_shifting_borders,
3439     "Compatibility settings:", NULL,
3440     "Line-shifting borders",            "Use line-shifting wrap-around"
3441   },
3442   {
3443     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3444     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3445     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3446     &level.bd_scan_first_and_last_row,
3447     NULL, NULL,
3448     "Scan first and last row",          "Also process top/bottom border rows"
3449   },
3450   {
3451     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3452     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3453     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3454     &level.bd_short_explosions,
3455     NULL, NULL,
3456     "Short explosions",                 "Use four game cycles for explosions"
3457   },
3458   {
3459     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3460     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3461     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3462     &level.bd_gravity_affects_all,
3463     NULL, NULL,
3464     "Gravity change affects everything", "Gravity affects all falling objects"
3465   },
3466
3467   // ---------- element settings: configure (various elements) ----------------
3468
3469   {
3470     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3471     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3472     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3473     &stick_element_properties_window,
3474     NULL, NULL,
3475     "Stick this screen to edit content","Stick this screen to edit content"
3476   },
3477   {
3478     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3480     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3481     &level.em_slippery_gems,
3482     NULL, NULL,
3483     "Slip down from certain flat walls","Use EM/DC style slipping behaviour"
3484   },
3485   {
3486     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3487     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3488     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3489     &level.em_explodes_by_fire,
3490     NULL, NULL,
3491     "Explodes with chain reaction",     "Use R'n'D style explosion behaviour"
3492   },
3493   {
3494     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3495     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3496     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3497     &level.use_spring_bug,
3498     NULL, NULL,
3499     "Use spring pushing bug",           "Use odd spring pushing behaviour"
3500   },
3501   {
3502     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3503     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3504     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3505     &level.use_time_orb_bug,
3506     NULL, NULL,
3507     "Use time orb bug",                 "Use odd time orb behaviour"
3508   },
3509   {
3510     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3511     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3512     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3513     &level.use_life_bugs,
3514     NULL, NULL,
3515     "Use buggy element behaviour",      "Use odd (historic) element behaviour"
3516   },
3517   {
3518     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3519     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3520     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3521     &level.ball_random,
3522     NULL, NULL,
3523     "Create single random element",     "Only create one element from content"
3524   },
3525   {
3526     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3527     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3528     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3529     &level.ball_active_initial,
3530     NULL, NULL,
3531     "Magic ball initially activated",   "Activate magic ball after level start"
3532   },
3533   {
3534     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3536     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3537     &level.grow_into_diggable,
3538     NULL, NULL,
3539     "Can grow into anything diggable",  "Grow into more than just sand"
3540   },
3541   {
3542     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3544     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3545     &level.sb_fields_needed,
3546     NULL, NULL,
3547     "All fields need to be filled",     "Require all SB fields to be solved"
3548   },
3549   {
3550     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3552     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3553     &level.sb_objects_needed,
3554     NULL, NULL,
3555     "All objects need to be placed",    "Require all SB objects to be solved"
3556   },
3557   {
3558     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3559     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3560     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3561     &level.auto_exit_sokoban,
3562     NULL, NULL,
3563     "Exit level if all tasks solved",   "Automatically finish Sokoban levels"
3564   },
3565   {
3566     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3567     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3568     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3569     &level.solved_by_one_player,
3570     NULL, NULL,
3571     "Only one player must enter exit",  "Level solved by first player in exit"
3572   },
3573   {
3574     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3575     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3576     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3577     &level.finish_dig_collect,
3578     NULL, NULL,
3579     "CE action on finished dig/collect", "Only finished dig/collect triggers CE"
3580   },
3581   {
3582     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3583     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3584     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3585     &level.keep_walkable_ce,
3586     NULL, NULL,
3587     "Keep walkable CE changed to player", "Keep CE changing to player if walkable"
3588   },
3589   {
3590     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3591     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3592     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3593     &level.continuous_snapping,
3594     NULL, NULL,
3595     "Continuous snapping",              "Use snapping without releasing key"
3596   },
3597   {
3598     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3599     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3600     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3601     &level.block_snap_field,
3602     NULL, NULL,
3603     "Block snapped field when snapping", "Use snapping delay to show animation"
3604   },
3605   {
3606     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3607     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3608     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3609     &level.block_last_field,
3610     NULL, NULL,
3611     "Block last field when moving",     "Player blocks last field when moving"
3612   },
3613   {
3614     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3615     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3616     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3617     &level.sp_block_last_field,
3618     NULL, NULL,
3619     "Block last field when moving",     "Player blocks last field when moving"
3620   },
3621   {
3622     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3623     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3624     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3625     &level.instant_relocation,
3626     NULL, NULL,
3627     "No scrolling when relocating",     "Player gets relocated without delay"
3628   },
3629   {
3630     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3631     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3632     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3633     &level.shifted_relocation,
3634     NULL, NULL,
3635     "No centering when relocating",     "Level not centered after relocation"
3636   },
3637   {
3638     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3640     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3641     &level.lazy_relocation,
3642     NULL, NULL,
3643     "Only redraw off-screen relocation","No redraw if relocation target visible"
3644   },
3645   {
3646     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3648     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3649     &level.use_start_element[0],
3650     NULL, NULL,
3651     "Use level start element:",        "Start level at this element's position"
3652   },
3653   {
3654     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3655     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3656     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3657     &level.use_artwork_element[0],
3658     NULL, NULL,
3659     "Use artwork from element:",        "Use player artwork from other element"
3660   },
3661   {
3662     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3663     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3664     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3665     &level.use_explosion_element[0],
3666     NULL, NULL,
3667     "Use explosion from element:",      "Use explosion properties from element"
3668   },
3669   {
3670     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3672     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3673     &level.initial_player_gravity[0],
3674     NULL, NULL,
3675     "Use initial gravity",              "Set initial player gravity"
3676   },
3677   {
3678     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3679     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3680     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3681     &level.use_initial_inventory[0],
3682     NULL, NULL,
3683     "Use initial inventory:",           "Use collected elements on level start"
3684   },
3685   {
3686     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3688     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3689     &level.can_pass_to_walkable,
3690     NULL, NULL,
3691     "Can pass to walkable element",     "Player can pass to empty or walkable"
3692   },
3693   {
3694     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3696     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3697     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3698     NULL, NULL,
3699     "Can fall into acid (with gravity)","Player can fall into acid pool"
3700   },
3701   {
3702     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3704     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3705     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3706     NULL, NULL,
3707     "Can move into acid",               "Element can move into acid pool"
3708   },
3709   {
3710     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3711     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3712     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3713     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3714     NULL, NULL,
3715     "Deadly when colliding with",       "Element is deadly when hitting player"
3716   },
3717   {
3718     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3720     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3721     &level.bd_diagonal_movements,
3722     NULL, NULL,
3723     "Can move diagonally",              "Player can move diagonally"
3724   },
3725   {
3726     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3727     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3728     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE, GADGET_ID_NONE,
3729     &level.bd_topmost_player_active,
3730     NULL, NULL,
3731     "Topmost player is active",         "Use first player found on playfield"
3732   },
3733   {
3734     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3735     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3736     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET, GADGET_ID_NONE,
3737     &level.bd_push_mega_rock_with_sweet,
3738     NULL, NULL,
3739     "Mega rocks pushable with sweet",   "Push mega rocks after eating sweet"
3740   },
3741   {
3742     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3743     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3744     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING, GADGET_ID_NONE,
3745     &level.bd_magic_wall_wait_hatching,
3746     NULL, NULL,
3747     "Wait for player's birth",          "Timer start waits for player's birth"
3748   },
3749   {
3750     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3751     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3752     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA, GADGET_ID_NONE,
3753     &level.bd_magic_wall_stops_amoeba,
3754     NULL, NULL,
3755     "Turn amoeba to diamonds",          "Activation changes amoeba to diamonds"
3756   },
3757   {
3758     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3759     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3760     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING, GADGET_ID_NONE,
3761     &level.bd_amoeba_wait_for_hatching,
3762     NULL, NULL,
3763     "Wait for player's birth",          "Timer start waits for player's birth"
3764   },
3765   {
3766     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3767     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3768     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY, GADGET_ID_NONE,
3769     &level.bd_amoeba_start_immediately,
3770     NULL, NULL,
3771     "Start growing immediately",        "Start slow growth time immediately"
3772   },
3773   {
3774     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3775     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3776     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA, GADGET_ID_NONE,
3777     &level.bd_amoeba_2_explode_by_amoeba,
3778     NULL, NULL,
3779     "Explodes if touched by amoeba",    "Amoeba 2 explodes if touched by amoeba"
3780   },
3781   {
3782     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3783     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3784     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS, GADGET_ID_NONE,
3785     &level.bd_voodoo_collects_diamonds,
3786     NULL, NULL,
3787     "Can collect diamonds",             "Can collect diamonds for the player"
3788   },
3789   {
3790     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3792     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER, GADGET_ID_NONE,
3793     &level.bd_voodoo_hurt_kills_player,
3794     NULL, NULL,
3795     "Player is killed if hurt",         "If hurt in any way, player is killed"
3796   },
3797   {
3798     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3799     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3800     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,   GADGET_ID_NONE,
3801     &level.bd_voodoo_dies_by_rock,
3802     NULL, NULL,
3803     "Killed by falling rock",           "Can be killed by a falling rock"
3804   },
3805   {
3806     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3807     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3808     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION, GADGET_ID_NONE,
3809     &level.bd_voodoo_vanish_by_explosion,
3810     NULL, NULL,
3811     "Disappears in explosions",         "Can be destroyed by explosions"
3812   },
3813   {
3814     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3815     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3816     GADGET_ID_BD_SLIME_IS_PREDICTABLE, GADGET_ID_NONE,
3817     &level.bd_slime_is_predictable,
3818     NULL, NULL,
3819     "Slime is predictable",             "Use predictable random numbers"
3820   },
3821   {
3822     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3823     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3824     GADGET_ID_BD_CHANGE_EXPANDING_WALL, GADGET_ID_NONE,
3825     &level.bd_change_expanding_wall,
3826     NULL, NULL,
3827     "Change direction",                 "Switch horizontal/vertical direction"
3828   },
3829   {
3830     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3831     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3832     GADGET_ID_BD_REPLICATORS_ACTIVE,    GADGET_ID_NONE,
3833     &level.bd_replicators_active,
3834     NULL, NULL,
3835     "Active at start",                  "Replicators start in active state"
3836   },
3837   {
3838     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3839     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3840     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE, GADGET_ID_NONE,
3841     &level.bd_conveyor_belts_active,
3842     NULL, NULL,
3843     "Active at start",                  "Conveyor belts start in active state"
3844   },
3845   {
3846     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3847     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3848     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED, GADGET_ID_NONE,
3849     &level.bd_conveyor_belts_changed,
3850     NULL, NULL,
3851     "Change direction",                 "Switch conveyor belt direction"
3852   },
3853   {
3854     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3855     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3856     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3857     &level.envelope[0].autowrap,
3858     NULL, NULL,
3859     "Auto-wrap",                        "Automatically wrap envelope text"
3860   },
3861   {
3862     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3863     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3864     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3865     &level.envelope[0].centered,
3866     NULL, " ",
3867     "Centered",                         "Automatically center envelope text"
3868   },
3869   {
3870     ED_CHECKBUTTON_ID_MM_LASER_RED,
3871     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3872     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3873     &level.mm_laser_red,
3874     "Choose color components for laser:", NULL,
3875     "Red",                              "Use red color components in laser"
3876   },
3877   {
3878     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3879     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3880     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3881     &level.mm_laser_green,
3882     NULL, NULL,
3883     "Green",                            "Use green color components in laser"
3884   },
3885   {
3886     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3887     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3888     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3889     &level.mm_laser_blue,
3890     NULL, NULL,
3891     "Blue",                             "Use blue color components in laser"
3892   },
3893   {
3894     ED_CHECKBUTTON_ID_DF_LASER_RED,
3895     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3896     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3897     &level.df_laser_red,
3898     "Choose color components for laser:", NULL,
3899     "Red",                              "Use red color components in laser"
3900   },
3901   {
3902     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3903     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3904     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3905     &level.df_laser_green,
3906     NULL, NULL,
3907     "Green",                            "Use green color components in laser"
3908   },
3909   {
3910     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3911     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3912     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3913     &level.df_laser_blue,
3914     NULL, NULL,
3915     "Blue",                             "Use blue color components in laser"
3916   },
3917   {
3918     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3919     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3920     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3921     &level.rotate_mm_ball_content,
3922     NULL, NULL,
3923     "Randomly rotate created content",  "Randomly rotate newly created content"
3924   },
3925   {
3926     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3927     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3928     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3929     &level.explode_mm_ball,
3930     NULL, NULL,
3931     "Explode ball instead of melting",  "Use explosion to release ball content"
3932   },
3933
3934   // ---------- element settings: configure 1 (custom elements) ---------------
3935
3936   {
3937     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3938     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3939     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3940     &custom_element.use_gfx_element,
3941     NULL, NULL,
3942     "Use graphic of element:",          "Use existing element graphic"
3943   },
3944   {
3945     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3946     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3947     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3948     &level.use_custom_template,
3949     NULL, NULL,
3950     "Use template",                     "Use template for custom properties"
3951   },
3952   {
3953     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3954     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3955     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3956     &custom_element_properties[EP_ACCESSIBLE],
3957     NULL, NULL,
3958     NULL,                               "Player can walk to or pass this field"
3959   },
3960   {
3961     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3962     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3963     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3964     &custom_element_properties[EP_GRAVITY_REACHABLE],
3965     NULL, NULL,
3966     "Reachable despite gravity",        "Player can walk/dig despite gravity"
3967   },
3968   {
3969     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3970     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3971     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3972     &custom_element.use_last_ce_value,
3973     NULL, NULL,
3974     "Use last CE value after change",   "Use last CE value after change"
3975   },
3976   {
3977     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3978     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3979     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3980     &custom_element_properties[EP_WALK_TO_OBJECT],
3981     NULL, NULL,
3982     NULL,                               "Player can dig/collect/push element"
3983   },
3984   {
3985     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3986     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3987     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3988     &custom_element_properties[EP_INDESTRUCTIBLE],
3989     NULL, NULL,
3990     "Indestructible",                   "Element is indestructible"
3991   },
3992
3993   // ---------- element settings: configure 2 (custom elements) ---------------
3994
3995   {
3996     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3997     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3998     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3999     &custom_element_properties[EP_CAN_MOVE],
4000     NULL, NULL,
4001     NULL,                               "Element can move with some pattern"
4002   },
4003   {
4004     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4005     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
4006     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
4007     &custom_element_properties[EP_CAN_FALL],
4008     NULL, NULL,
4009     "Can fall",                         "Element can fall down"
4010   },
4011   {
4012     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4013     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
4014     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
4015     &custom_element_properties[EP_CAN_SMASH],
4016     NULL, " ",
4017     NULL,                               "Element can smash other elements"
4018   },
4019   {
4020     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4021     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
4022     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
4023     &custom_element_properties[EP_SLIPPERY],
4024     NULL, NULL,
4025     NULL,                               "Other elements can fall down from it"
4026   },
4027   {
4028     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4029     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
4030     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
4031     &custom_element_properties[EP_DEADLY],
4032     NULL, NULL,
4033     NULL,                               "Element can kill the player"
4034   },
4035   {
4036     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4037     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
4038     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
4039     &custom_element_properties[EP_CAN_EXPLODE],
4040     NULL, NULL,
4041     NULL,                               "Element can explode"
4042   },
4043   {
4044     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4045     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
4046     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
4047     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4048     NULL, NULL,
4049     "By fire",                          "Element can explode by fire/explosion"
4050   },
4051   {
4052     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4053     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4054     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
4055     &custom_element_properties[EP_EXPLODES_SMASHED],
4056     NULL, " ",
4057     "Smashed",                          "Element can explode when smashed"
4058   },
4059   {
4060     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4061     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
4062     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
4063     &custom_element_properties[EP_EXPLODES_IMPACT],
4064     NULL, " ",
4065     "Impact",                           "Element can explode on impact"
4066   },
4067
4068   // ---------- element settings: advanced (custom elements) ------------------
4069
4070   {
4071     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4072     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
4073     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
4074     &custom_element_change.can_change,
4075     NULL, NULL,
4076     "Element changes to:",              "Change element on specified condition"
4077   },
4078   {
4079     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4080     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
4081     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
4082     &custom_element_change_events[CE_DELAY],
4083     NULL, NULL,
4084     NULL,                               "Element changes after delay"
4085   },
4086   {
4087     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4088     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
4089     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
4090     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4091     NULL, NULL,
4092     NULL,                               "Element changes by direct action"
4093   },
4094   {
4095     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4096     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
4097     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
4098     &custom_element_change_events[CE_BY_OTHER_ACTION],
4099     NULL, NULL,
4100     NULL,                               "Element changes by other element"
4101   },
4102   {
4103     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4104     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
4105     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
4106     &custom_element_change.explode,
4107     NULL, NULL,
4108     "Explode instead of change",        "Element explodes instead of change"
4109   },
4110   {
4111     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4112     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
4113     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
4114     &custom_element_change.use_target_content,
4115     NULL, NULL,
4116     "Use extended change target:",      "Element changes to more elements"
4117   },
4118   {
4119     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4120     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
4121     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
4122     &custom_element_change.only_if_complete,
4123     NULL, NULL,
4124     "Replace all or nothing",           "Only replace when all can be changed"
4125   },
4126   {
4127     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4128     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
4129     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
4130     &custom_element_change.use_random_replace,
4131     NULL, NULL,
4132     NULL,                               "Use percentage for random replace"
4133   },
4134   {
4135     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4136     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
4137     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
4138     &custom_element_change.has_action,
4139     NULL, NULL,
4140     NULL,                               "Execute action on specified condition"
4141   },
4142 };
4143
4144 static struct
4145 {
4146   int gadget_type_id;
4147   int x, y;
4148   int xoffset, yoffset;
4149   int gadget_id;
4150   int gadget_id_align;
4151   int *value;
4152   int area_xsize, area_ysize;
4153   char *text_left, *text_right, *text_above, *text_below, *infotext;
4154 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4155 {
4156   // ---------- level playfield content ---------------------------------------
4157
4158   {
4159     ED_DRAWING_ID_DRAWING_LEVEL,
4160     0,                                  0,
4161     0,                                  0,
4162     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
4163     NULL,
4164     -1, -1,     // these values are not constant, but can change at runtime
4165     NULL, NULL, NULL, NULL,             NULL
4166   },
4167
4168   // ---------- yam yam content -----------------------------------------------
4169
4170   {
4171     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4172     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4173     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
4174     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
4175     &level.yamyam_content[0].e[0][0],   3, 3,
4176     NULL, NULL, NULL, "1",              NULL
4177   },
4178   {
4179     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4180     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4181     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
4182     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
4183     &level.yamyam_content[1].e[0][0],   3, 3,
4184     NULL, NULL, NULL, "2",              NULL
4185   },
4186   {
4187     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4188     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4189     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
4190     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
4191     &level.yamyam_content[2].e[0][0],   3, 3,
4192     NULL, NULL, NULL, "3",              NULL
4193   },
4194   {
4195     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4196     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4197     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
4198     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
4199     &level.yamyam_content[3].e[0][0],   3, 3,
4200     NULL, NULL, NULL, "4",              NULL
4201   },
4202   {
4203     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4204     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4205     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
4206     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
4207     &level.yamyam_content[4].e[0][0],   3, 3,
4208     NULL, NULL, NULL, "5",              NULL
4209   },
4210   {
4211     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4212     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4213     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4214     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4215     &level.yamyam_content[5].e[0][0],   3, 3,
4216     NULL, NULL, NULL, "6",              NULL
4217   },
4218   {
4219     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4220     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4221     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4222     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4223     &level.yamyam_content[6].e[0][0],   3, 3,
4224     NULL, NULL, NULL, "7",              NULL
4225   },
4226   {
4227     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4228     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4229     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4230     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4231     &level.yamyam_content[7].e[0][0],   3, 3,
4232     NULL, NULL, NULL, "8",              NULL
4233   },
4234
4235   // ---------- magic ball content --------------------------------------------
4236
4237   {
4238     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4239     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4240     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4241     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4242     &level.ball_content[0].e[0][0],     3, 3,
4243     NULL, NULL, NULL, "1",              NULL
4244   },
4245   {
4246     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4247     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4248     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4249     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4250     &level.ball_content[1].e[0][0],     3, 3,
4251     NULL, NULL, NULL, "2",              NULL
4252   },
4253   {
4254     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4255     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4256     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4257     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4258     &level.ball_content[2].e[0][0],     3, 3,
4259     NULL, NULL, NULL, "3",              NULL
4260   },
4261   {
4262     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4263     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4264     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4265     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4266     &level.ball_content[3].e[0][0],     3, 3,
4267     NULL, NULL, NULL, "4",              NULL
4268   },
4269   {
4270     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4271     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4272     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4273     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4274     &level.ball_content[4].e[0][0],     3, 3,
4275     NULL, NULL, NULL, "5",              NULL
4276   },
4277   {
4278     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4279     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4280     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4281     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4282     &level.ball_content[5].e[0][0],     3, 3,
4283     NULL, NULL, NULL, "6",              NULL
4284   },
4285   {
4286     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4287     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4288     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4289     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4290     &level.ball_content[6].e[0][0],     3, 3,
4291     NULL, NULL, NULL, "7",              NULL
4292   },
4293   {
4294     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4295     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4296     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4297     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4298     &level.ball_content[7].e[0][0],     3, 3,
4299     NULL, NULL, NULL, "8",              NULL
4300   },
4301
4302   // ---------- android content -----------------------------------------------
4303
4304   {
4305     ED_DRAWING_ID_ANDROID_CONTENT,
4306     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4307     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4308     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4309     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4310     NULL, NULL, "Elements:", NULL,      "Elements android can clone"
4311   },
4312
4313   // ---------- amoeba content ------------------------------------------------
4314
4315   {
4316     ED_DRAWING_ID_AMOEBA_CONTENT,
4317     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4318     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4319     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4320     &level.amoeba_content,              1, 1,
4321     "Content:", NULL, NULL, NULL,       "Amoeba content"
4322   },
4323
4324   // ---------- BD snap element -----------------------------------------------
4325
4326   {
4327     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4328     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(5),
4329     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4330     GADGET_ID_BD_SNAP_ELEMENT,          GADGET_ID_NONE,
4331     &level.bd_snap_element,             1, 1,
4332     "Snap element:", NULL, NULL, NULL,  "Element created when snapping"
4333   },
4334
4335   // ---------- BD amoeba content ---------------------------------------------
4336
4337   {
4338     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4339     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4340     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4341     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG, GADGET_ID_NONE,
4342     &level.bd_amoeba_content_too_big,   1, 1,
4343     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba content if too big"
4344   },
4345   {
4346     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4347     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4348     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4349     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED, GADGET_ID_NONE,
4350     &level.bd_amoeba_content_enclosed,  1, 1,
4351     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba content if enclosed"
4352   },
4353
4354   // ---------- BD amoeba 2 content -------------------------------------------
4355
4356   {
4357     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4358     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(7),
4359     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4360     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG, GADGET_ID_NONE,
4361     &level.bd_amoeba_2_content_too_big, 1, 1,
4362     "If too big, changes to:", NULL, NULL, NULL,        "BD amoeba 2 content if too big"
4363   },
4364   {
4365     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4366     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(8),
4367     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4368     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED, GADGET_ID_NONE,
4369     &level.bd_amoeba_2_content_enclosed,        1, 1,
4370     "If enclosed, changes to:", NULL, NULL, NULL,       "BD amoeba 2 content if enclosed"
4371   },
4372   {
4373     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4374     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(10),
4375     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4376     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING, GADGET_ID_NONE,
4377     &level.bd_amoeba_2_content_exploding,       1, 1,
4378     "If exploding, changes to:", NULL, NULL, NULL,      "BD amoeba 2 content if exploding"
4379   },
4380   {
4381     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4382     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(11),
4383     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4384     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4385     &level.bd_amoeba_2_content_looks_like,      1, 1,
4386     "Use graphic of element:", NULL, NULL, NULL,        "BD amoeba 2 looks like this element"
4387   },
4388   {
4389     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4390     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4391     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4392     GADGET_ID_BD_ACID_EATS_ELEMENT,     GADGET_ID_NONE,
4393     &level.bd_acid_eats_element,        1, 1,
4394     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4395   },
4396   {
4397     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4398     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4399     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4400     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT, GADGET_ID_NONE,
4401     &level.bd_acid_turns_to_element,    1, 1,
4402     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4403   },
4404   {
4405     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4406     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4407     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4408     GADGET_ID_BD_BITER_EATS_ELEMENT,    GADGET_ID_NONE,
4409     &level.bd_biter_eats_element,       1, 1,
4410     "Can eat:", NULL, NULL, NULL,       "Eats this element when moving"
4411   },
4412   {
4413     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4414     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(1),
4415     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4416     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT, GADGET_ID_NONE,
4417     &level.bd_bladder_converts_by_element,      1, 1,
4418     "Turns to clock by touching:", NULL, NULL, NULL,    "Turns to clock by touching element"
4419   },
4420
4421   // ---------- level start element -------------------------------------------
4422
4423   {
4424     ED_DRAWING_ID_START_ELEMENT,
4425     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4426     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4427     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4428     &level.start_element[0],            1, 1,
4429     NULL, NULL, NULL, NULL,             "Level start element"
4430   },
4431
4432   // ---------- player artwork element ----------------------------------------
4433
4434   {
4435     ED_DRAWING_ID_ARTWORK_ELEMENT,
4436     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4437     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4438     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4439     &level.artwork_element[0],          1, 1,
4440     NULL, NULL, NULL, NULL,             "Element for player artwork"
4441   },
4442
4443   // ---------- player explosion element --------------------------------------
4444
4445   {
4446     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4447     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4448     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4449     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4450     &level.explosion_element[0],        1, 1,
4451     NULL, NULL, NULL, NULL,             "Element for player explosion"
4452   },
4453
4454   // ---------- player initial inventory --------------------------------------
4455
4456   {
4457     ED_DRAWING_ID_INVENTORY_CONTENT,
4458     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4459     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4460     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4461     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4462     NULL, NULL, NULL, NULL,             "Content for initial inventory"
4463   },
4464
4465   // ---------- gray ball content -----------------------------------------
4466
4467   {
4468     ED_DRAWING_ID_MM_BALL_CONTENT,
4469     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4470     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4471     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4472     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4473     "Content:", NULL, NULL, NULL,       "Content for gray ball"
4474   },
4475
4476   // ---------- element settings: configure 1 (custom elements) ---------------
4477
4478   // ---------- custom graphic ------------------------------------------------
4479
4480   {
4481     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4482     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4483     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4484     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4485     &custom_element.gfx_element_initial, 1, 1,
4486     NULL, NULL, NULL, NULL,             "Custom graphic element"
4487   },
4488
4489   // ---------- element settings: configure 2 (custom elements) ---------------
4490
4491   // ---------- custom content (when exploding) -------------------------------
4492
4493   {
4494     ED_DRAWING_ID_CUSTOM_CONTENT,
4495     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4496     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4497     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4498     &custom_element.content.e[0][0],    3, 3,
4499     "Content:", NULL, NULL, NULL,       NULL
4500   },
4501
4502   // ---------- custom enter and leave element (when moving) ------------------
4503
4504   {
4505     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4506     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4507     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4508     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4509     &custom_element.move_enter_element, 1, 1,
4510     "Can dig:", " ", NULL, NULL,        "Element that can be digged/collected"
4511   },
4512   {
4513     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4514     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4515     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4516     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4517     &custom_element.move_leave_element, 1, 1,
4518     NULL, NULL, NULL, NULL,             "Element that will be left behind"
4519   },
4520
4521   // ---------- element settings: advanced (custom elements) ------------------
4522
4523   // ---------- custom change target ------------------------------------------
4524
4525   {
4526     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4527     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4528     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4529     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4530     &custom_element_change.target_element, 1, 1,
4531     NULL, "after/when:", NULL, NULL,    "New target element after change"
4532   },
4533
4534   // ---------- custom change content (extended change target) ----------------
4535
4536   {
4537     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4538     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4539     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4540     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4541     &custom_element_change.target_content.e[0][0], 3, 3,
4542     NULL, NULL, NULL, NULL,             "New extended elements after change"
4543   },
4544
4545   // ---------- custom change trigger (element causing change) ----------------
4546
4547   {
4548     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4549     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4550     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4551     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4552     &custom_element_change.initial_trigger_element, 1, 1,
4553     NULL, NULL, NULL, NULL,             "Other element triggering change"
4554   },
4555
4556   // ---------- custom change action (element used for action) ----------------
4557
4558   {
4559     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4560     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4561     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4562     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4563     &custom_element_change.action_element, 1, 1,
4564     NULL, NULL, NULL, NULL,             "Element used as action parameter"
4565   },
4566
4567   // ---------- group element content -----------------------------------------
4568
4569   {
4570     ED_DRAWING_ID_GROUP_CONTENT,
4571     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4572     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4573     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4574     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4575     "Content:", NULL, NULL, NULL,       NULL
4576   },
4577
4578   // ---------- random background (for random painting) -----------------------
4579
4580   {
4581     ED_DRAWING_ID_RANDOM_BACKGROUND,
4582     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4583     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4584     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4585     &random_placement_background_element, 1, 1,
4586     NULL, NULL, NULL, NULL,             "Random placement background"
4587   },
4588 };
4589
4590
4591 // ----------------------------------------------------------------------------
4592 // some internally used variables
4593 // ----------------------------------------------------------------------------
4594
4595 // maximal size of level editor drawing area
4596 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4597
4598 // actual size of level editor drawing area
4599 static int ed_fieldx, ed_fieldy;
4600
4601 // actual position of level editor drawing area in level playfield
4602 static int level_xpos = -1, level_ypos = -1;
4603
4604 // actual tile size used to display playfield drawing area
4605 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4606 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4607
4608 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4609
4610 // drawing elements on the three mouse buttons
4611 static int new_element1 = EL_WALL;
4612 static int new_element2 = EL_EMPTY;
4613 static int new_element3 = EL_SAND;
4614
4615 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4616 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4617                                 (button) == 2 ? new_element2 : \
4618                                 (button) == 3 ? new_element3 : EL_EMPTY)
4619
4620 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4621
4622 static int use_permanent_palette = TRUE;
4623
4624 #define PX              (use_permanent_palette ? DX : SX)
4625 #define PY              (use_permanent_palette ? DY : SY)
4626 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4627 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4628
4629 // forward declaration for internal use
4630 static void CopyBrushToCursor(int, int);
4631 static void DeleteBrushFromCursor(void);
4632 static void ModifyEditorCounterValue(int, int);
4633 static void ModifyEditorCounterLimits(int, int, int);
4634 static void ModifyEditorSelectboxValue(int, int);
4635 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4636 static void ModifyEditorDrawingArea(int, int, int);
4637 static void ModifyEditorElementList(void);
4638 static void AdjustElementListScrollbar(void);
4639 static void RedrawDrawingElements(void);
4640 static void DrawDrawingWindowExt(boolean);
4641 static void DrawDrawingWindow(void);
4642 static void DrawLevelConfigWindow(void);
4643 static void DrawPropertiesWindow(void);
4644 static void DrawPaletteWindow(void);
4645 static void UpdateCustomElementGraphicGadgets(void);
4646 static boolean checkPropertiesConfig(int);
4647 static void SetAutomaticNumberOfGemsNeeded(void);
4648 static void ClearEditorGadgetInfoText(void);
4649 static void CopyLevelToUndoBuffer(int);
4650 static void HandleDrawingAreas(struct GadgetInfo *);
4651 static void HandleCounterButtons(struct GadgetInfo *);
4652 static void HandleTextInputGadgets(struct GadgetInfo *);
4653 static void HandleTextAreaGadgets(struct GadgetInfo *);
4654 static void HandleSelectboxGadgets(struct GadgetInfo *);
4655 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4656 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4657 static void HandleRadiobuttons(struct GadgetInfo *);
4658 static void HandleCheckbuttons(struct GadgetInfo *);
4659 static void HandleControlButtons(struct GadgetInfo *);
4660 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4661 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4662 static boolean AskToCopyAndModifyLevelTemplate(void);
4663 static boolean getDrawModeHiRes(void);
4664 static int getTabulatorBarWidth(void);
4665 static int getTabulatorBarHeight(void);
4666 static Pixel getTabulatorBarColor(void);
4667 static int numHiresTiles(int);
4668
4669 static int num_editor_gadgets = 0;      // dynamically determined
4670
4671 static struct GadgetInfo **level_editor_gadget = NULL;
4672 static int *right_gadget_border = NULL;
4673
4674 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4675 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4676 static boolean draw_with_brush = FALSE;
4677 static int properties_element = 0;
4678
4679 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4680 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4681 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4682 static int undo_buffer_position = 0;
4683 static int undo_buffer_steps = 0;
4684 static int redo_buffer_steps = 0;
4685
4686 static int edit_mode;
4687 static int edit_mode_levelconfig;
4688 static int edit_mode_properties;
4689
4690 static int element_shift = 0;
4691
4692 static int editor_el_players[] =
4693 {
4694   EL_PLAYER_1,
4695   EL_PLAYER_2,
4696   EL_PLAYER_3,
4697   EL_PLAYER_4
4698 };
4699 static int *editor_el_players_ptr = editor_el_players;
4700 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4701
4702 static int editor_hl_boulderdash[] =
4703 {
4704   EL_INTERNAL_CASCADE_BD_ACTIVE,
4705   EL_CHAR('B'),
4706   EL_CHAR('D'),
4707   EL_EMPTY,
4708 };
4709
4710 static int editor_el_boulderdash[] =
4711 {
4712   EL_EMPTY,
4713   EL_SAND,
4714   EL_BD_ROCK,
4715   EL_BD_DIAMOND,
4716
4717   EL_STEELWALL,
4718   EL_BD_WALL,
4719   EL_BD_EXPANDABLE_WALL,
4720   EL_BD_MAGIC_WALL,
4721
4722   EL_BD_AMOEBA,
4723   EL_BD_BUTTERFLY_UP,
4724   EL_BD_FIREFLY_UP,
4725   EL_EXIT_CLOSED,
4726
4727   EL_BD_BUTTERFLY_LEFT,
4728   EL_BD_FIREFLY_LEFT,
4729   EL_BD_BUTTERFLY_RIGHT,
4730   EL_BD_FIREFLY_RIGHT,
4731
4732   EL_EMPTY,
4733   EL_BD_BUTTERFLY_DOWN,
4734   EL_BD_FIREFLY_DOWN,
4735   EL_EXIT_OPEN,
4736 };
4737 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4738 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4739 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4740 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4741
4742 static int editor_hl_boulderdash_native[] =
4743 {
4744   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4745   EL_CHAR('B'),
4746   EL_CHAR('D'),
4747   EL_EMPTY,
4748 };
4749
4750 static int editor_el_boulderdash_native[] =
4751 {
4752   EL_EMPTY,
4753   EL_BD_SAND,
4754   EL_BD_ROCK,
4755   EL_BD_DIAMOND,
4756
4757   EL_BD_STEELWALL,
4758   EL_BD_WALL,
4759   EL_BD_SAND_2,
4760   EL_BD_MAGIC_WALL,
4761
4762   EL_BD_AMOEBA,
4763   EL_BD_BUTTERFLY_UP,
4764   EL_BD_FIREFLY_UP,
4765   EL_BD_EXIT_CLOSED,
4766
4767   EL_BD_BUTTERFLY_LEFT,
4768   EL_BD_FIREFLY_LEFT,
4769   EL_BD_BUTTERFLY_RIGHT,
4770   EL_BD_FIREFLY_RIGHT,
4771
4772   EL_BD_INBOX,
4773   EL_BD_BUTTERFLY_DOWN,
4774   EL_BD_FIREFLY_DOWN,
4775   EL_BD_EXIT_OPEN,
4776
4777   EL_BD_AMOEBA_2,
4778   EL_BD_BUTTERFLY_2_UP,
4779   EL_BD_FIREFLY_2_UP,
4780   EL_BD_SLIME,
4781
4782   EL_BD_BUTTERFLY_2_LEFT,
4783   EL_BD_FIREFLY_2_LEFT,
4784   EL_BD_BUTTERFLY_2_RIGHT,
4785   EL_BD_FIREFLY_2_RIGHT,
4786
4787   EL_BD_BOMB,
4788   EL_BD_BUTTERFLY_2_DOWN,
4789   EL_BD_FIREFLY_2_DOWN,
4790   EL_BD_FLYING_DIAMOND,
4791
4792   EL_BD_NITRO_PACK,
4793   EL_BD_DRAGONFLY_UP,
4794   EL_BD_STONEFLY_UP,
4795   EL_BD_DIAMOND_GLUED,
4796
4797   EL_BD_DRAGONFLY_LEFT,
4798   EL_BD_STONEFLY_LEFT,
4799   EL_BD_DRAGONFLY_RIGHT,
4800   EL_BD_STONEFLY_RIGHT,
4801
4802   EL_BD_NUT,
4803   EL_BD_DRAGONFLY_DOWN,
4804   EL_BD_STONEFLY_DOWN,
4805   EL_EMPTY,
4806
4807   EL_BD_BITER_SWITCH_1,
4808   EL_BD_BITER_UP,
4809   EL_BD_COW_UP,
4810   EL_EMPTY,
4811
4812   EL_BD_BITER_LEFT,
4813   EL_BD_COW_LEFT,
4814   EL_BD_BITER_RIGHT,
4815   EL_BD_COW_RIGHT,
4816
4817   EL_BD_VOODOO_DOLL,
4818   EL_BD_BITER_DOWN,
4819   EL_BD_COW_DOWN,
4820   EL_BD_GHOST,
4821
4822   EL_BD_SAND_GLUED,
4823   EL_BD_SAND_BALL,
4824   EL_BD_SAND_LOOSE,
4825   EL_BD_WALL_NON_SLOPED,
4826
4827   EL_BD_SAND_SLOPED_UP_LEFT,
4828   EL_BD_SAND_SLOPED_UP_RIGHT,
4829   EL_BD_WALL_SLOPED_UP_LEFT,
4830   EL_BD_WALL_SLOPED_UP_RIGHT,
4831
4832   EL_BD_SAND_SLOPED_DOWN_LEFT,
4833   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4834   EL_BD_WALL_SLOPED_DOWN_LEFT,
4835   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4836
4837   EL_BD_FLYING_ROCK,
4838   EL_BD_ROCK_GLUED,
4839   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4840   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4841
4842   EL_BD_WAITING_ROCK,
4843   EL_BD_CHASING_ROCK,
4844   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4845   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4846
4847   EL_BD_MEGA_ROCK,
4848   EL_BD_SWEET,
4849   EL_BD_INVISIBLE_EXIT_CLOSED,
4850   EL_BD_INVISIBLE_EXIT_OPEN,
4851
4852   EL_BD_STEELWALL_EXPLODABLE,
4853   EL_BD_STEELWALL_DIGGABLE,
4854   EL_BD_WALL_DIGGABLE,
4855   EL_BD_FALLING_WALL,
4856
4857   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4858   EL_BD_EXPANDABLE_WALL_VERTICAL,
4859   EL_BD_EXPANDABLE_WALL_ANY,
4860   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4861
4862   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4863   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4864   EL_BD_EXPANDABLE_STEELWALL_ANY,
4865   EL_BD_CREATURE_SWITCH,
4866
4867   EL_BD_BLADDER,
4868   EL_BD_BLADDER_SPENDER,
4869   EL_BD_REPLICATOR,
4870   EL_BD_REPLICATOR_SWITCH,
4871
4872   EL_BD_CONVEYOR_LEFT,
4873   EL_BD_CONVEYOR_RIGHT,
4874   EL_BD_CONVEYOR_SWITCH,
4875   EL_BD_CONVEYOR_DIR_SWITCH_NORMAL,
4876
4877   EL_BD_CLOCK,
4878   EL_BD_TIME_PENALTY,
4879   EL_BD_GRAVESTONE,
4880   EL_BD_SKELETON,
4881
4882   EL_BD_WATER,
4883   EL_BD_ACID,
4884   EL_BD_LAVA,
4885   EL_BD_BOX,
4886
4887   EL_BD_GATE_1,
4888   EL_BD_GATE_2,
4889   EL_BD_GATE_3,
4890   EL_BD_TRAPPED_DIAMOND,
4891
4892   EL_BD_KEY_1,
4893   EL_BD_KEY_2,
4894   EL_BD_KEY_3,
4895   EL_BD_DIAMOND_KEY,
4896
4897   EL_BD_WALL_KEY_1,
4898   EL_BD_WALL_KEY_2,
4899   EL_BD_WALL_KEY_3,
4900   EL_BD_WALL_DIAMOND,
4901
4902   EL_BD_GRAVITY_SWITCH,
4903   EL_BD_PNEUMATIC_HAMMER,
4904   EL_BD_TELEPORTER,
4905   EL_BD_POT,
4906
4907   EL_BD_PLAYER,
4908   EL_BD_PLAYER_WITH_BOMB,
4909   EL_BD_PLAYER_GLUED,
4910   EL_BD_PLAYER_STIRRING,
4911 };
4912 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4913 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4914 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4915 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4916
4917 static int editor_hl_emerald_mine[] =
4918 {
4919   EL_INTERNAL_CASCADE_EM_ACTIVE,
4920   EL_CHAR('E'),
4921   EL_CHAR('M'),
4922   EL_EMPTY,
4923 };
4924
4925 static int editor_el_emerald_mine[] =
4926 {
4927   EL_SAND,
4928   EL_ROCK,
4929   EL_QUICKSAND_EMPTY,
4930   EL_QUICKSAND_FULL,
4931
4932   EL_STEELWALL,
4933   EL_WALL,
4934   EL_WALL_SLIPPERY,
4935   EL_MAGIC_WALL,
4936
4937   EL_EMERALD,
4938   EL_DIAMOND,
4939   EL_NUT,
4940   EL_BOMB,
4941
4942   EL_EM_DYNAMITE,
4943   EL_EM_DYNAMITE_ACTIVE,
4944   EL_EM_EXIT_CLOSED,
4945   EL_EM_EXIT_OPEN,
4946
4947   EL_YAMYAM_UP,
4948   EL_BUG_UP,
4949   EL_SPACESHIP_UP,
4950   EL_ROBOT,
4951
4952   EL_BUG_LEFT,
4953   EL_SPACESHIP_LEFT,
4954   EL_BUG_RIGHT,
4955   EL_SPACESHIP_RIGHT,
4956
4957   EL_ROBOT_WHEEL,
4958   EL_BUG_DOWN,
4959   EL_SPACESHIP_DOWN,
4960   EL_INVISIBLE_WALL,
4961
4962   EL_ACID_POOL_TOPLEFT,
4963   EL_ACID,
4964   EL_ACID_POOL_TOPRIGHT,
4965   EL_AMOEBA_DROP,
4966
4967   EL_ACID_POOL_BOTTOMLEFT,
4968   EL_ACID_POOL_BOTTOM,
4969   EL_ACID_POOL_BOTTOMRIGHT,
4970   EL_AMOEBA_WET,
4971
4972   EL_EM_KEY_1,
4973   EL_EM_KEY_2,
4974   EL_EM_KEY_3,
4975   EL_EM_KEY_4,
4976
4977   EL_EM_GATE_1,
4978   EL_EM_GATE_2,
4979   EL_EM_GATE_3,
4980   EL_EM_GATE_4,
4981
4982   EL_EM_GATE_1_GRAY,
4983   EL_EM_GATE_2_GRAY,
4984   EL_EM_GATE_3_GRAY,
4985   EL_EM_GATE_4_GRAY,
4986 };
4987 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4988 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4989 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4990 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4991
4992 static int editor_hl_emerald_mine_club[] =
4993 {
4994   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4995   EL_CHAR('E'),
4996   EL_CHAR('M'),
4997   EL_CHAR('C'),
4998 };
4999
5000 static int editor_el_emerald_mine_club[] =
5001 {
5002   EL_EMC_KEY_5,
5003   EL_EMC_KEY_6,
5004   EL_EMC_KEY_7,
5005   EL_EMC_KEY_8,
5006
5007   EL_EMC_GATE_5,
5008   EL_EMC_GATE_6,
5009   EL_EMC_GATE_7,
5010   EL_EMC_GATE_8,
5011
5012   EL_EMC_GATE_5_GRAY,
5013   EL_EMC_GATE_6_GRAY,
5014   EL_EMC_GATE_7_GRAY,
5015   EL_EMC_GATE_8_GRAY,
5016
5017   EL_EMC_STEELWALL_1,
5018   EL_EMC_STEELWALL_2,
5019   EL_EMC_STEELWALL_3,
5020   EL_EMC_STEELWALL_4,
5021
5022   EL_EMC_WALL_13,
5023   EL_EMC_WALL_14,
5024   EL_EMC_WALL_15,
5025   EL_EMC_WALL_16,
5026
5027   EL_EMC_WALL_SLIPPERY_1,
5028   EL_EMC_WALL_SLIPPERY_2,
5029   EL_EMC_WALL_SLIPPERY_3,
5030   EL_EMC_WALL_SLIPPERY_4,
5031
5032   EL_EMC_WALL_1,
5033   EL_EMC_WALL_2,
5034   EL_EMC_WALL_3,
5035   EL_EMC_WALL_4,
5036
5037   EL_EMC_WALL_5,
5038   EL_EMC_WALL_6,
5039   EL_EMC_WALL_7,
5040   EL_EMC_WALL_8,
5041
5042   EL_EMC_WALL_9,
5043   EL_EMC_WALL_10,
5044   EL_EMC_WALL_11,
5045   EL_EMC_WALL_12,
5046
5047   EL_EMC_GRASS,
5048   EL_EMC_FAKE_GRASS,
5049   EL_EMC_PLANT,
5050   EL_EMC_DRIPPER,
5051
5052   EL_EMC_MAGIC_BALL,
5053   EL_EMC_MAGIC_BALL_SWITCH,
5054   EL_EMC_LENSES,
5055   EL_EMC_MAGNIFIER,
5056
5057   EL_SPRING_LEFT,
5058   EL_SPRING,
5059   EL_SPRING_RIGHT,
5060   EL_EMC_SPRING_BUMPER,
5061
5062   EL_BALLOON,
5063   EL_YAMYAM_UP,
5064   EL_BALLOON_SWITCH_UP,
5065   EL_BALLOON_SWITCH_ANY,
5066
5067   EL_YAMYAM_LEFT,
5068   EL_BALLOON_SWITCH_LEFT,
5069   EL_YAMYAM_RIGHT,
5070   EL_BALLOON_SWITCH_RIGHT,
5071
5072   EL_EMC_ANDROID,
5073   EL_YAMYAM_DOWN,
5074   EL_BALLOON_SWITCH_DOWN,
5075   EL_BALLOON_SWITCH_NONE,
5076 };
5077 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5078 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5079 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5080 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5081
5082 static int editor_hl_rnd[] =
5083 {
5084   EL_INTERNAL_CASCADE_RND_ACTIVE,
5085   EL_CHAR('R'),
5086   EL_CHAR('N'),
5087   EL_CHAR('D'),
5088 };
5089
5090 static int editor_el_rnd[] =
5091 {
5092   EL_DYNAMITE,                  // RND
5093   EL_DYNAMITE_ACTIVE,           // RND
5094   EL_EMPTY,
5095   EL_EMPTY,
5096
5097   EL_KEY_1,
5098   EL_KEY_2,
5099   EL_KEY_3,
5100   EL_KEY_4,
5101
5102   EL_GATE_1,
5103   EL_GATE_2,
5104   EL_GATE_3,
5105   EL_GATE_4,
5106
5107   EL_GATE_1_GRAY,
5108   EL_GATE_2_GRAY,
5109   EL_GATE_3_GRAY,
5110   EL_GATE_4_GRAY,
5111
5112   EL_ARROW_LEFT,
5113   EL_ARROW_RIGHT,
5114   EL_ARROW_UP,
5115   EL_ARROW_DOWN,
5116
5117   EL_AMOEBA_DEAD,
5118   EL_AMOEBA_DRY,
5119   EL_AMOEBA_FULL,
5120   EL_GAME_OF_LIFE,
5121
5122   EL_EMERALD_YELLOW,
5123   EL_EMERALD_RED,
5124   EL_EMERALD_PURPLE,
5125   EL_BIOMAZE,
5126
5127   EL_WALL_EMERALD_YELLOW,
5128   EL_WALL_EMERALD_RED,
5129   EL_WALL_EMERALD_PURPLE,
5130   EL_WALL_BD_DIAMOND,
5131
5132   EL_SPEED_PILL,
5133   EL_PACMAN_UP,
5134   EL_TIME_ORB_FULL,
5135   EL_TIME_ORB_EMPTY,
5136
5137   EL_PACMAN_LEFT,
5138   EL_DARK_YAMYAM,
5139   EL_PACMAN_RIGHT,
5140   EL_YAMYAM,                    // RND
5141
5142   EL_BLACK_ORB,
5143   EL_PACMAN_DOWN,
5144   EL_LAMP,
5145   EL_LAMP_ACTIVE,
5146
5147   EL_DYNABOMB_INCREASE_NUMBER,
5148   EL_DYNABOMB_INCREASE_SIZE,
5149   EL_DYNABOMB_INCREASE_POWER,
5150   EL_STONEBLOCK,
5151
5152   EL_MOLE,
5153   EL_PENGUIN,
5154   EL_PIG,
5155   EL_DRAGON,
5156
5157   EL_BUG,
5158   EL_MOLE_UP,
5159   EL_BD_BUTTERFLY,
5160   EL_BD_FIREFLY,
5161
5162   EL_MOLE_LEFT,
5163   EL_SATELLITE,
5164   EL_MOLE_RIGHT,
5165   EL_PACMAN,
5166
5167   EL_SPACESHIP,
5168   EL_MOLE_DOWN,
5169   EL_INVISIBLE_STEELWALL,
5170   EL_INVISIBLE_WALL,
5171
5172   EL_EXPANDABLE_WALL,
5173   EL_EXPANDABLE_WALL_HORIZONTAL,
5174   EL_EXPANDABLE_WALL_VERTICAL,
5175   EL_EXPANDABLE_WALL_ANY,
5176 };
5177 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5178 static int *editor_el_rnd_ptr = editor_el_rnd;
5179 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5180 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5181
5182 static int editor_hl_sokoban[] =
5183 {
5184   EL_INTERNAL_CASCADE_SB_ACTIVE,
5185   EL_CHAR('S'),
5186   EL_CHAR('B'),
5187   EL_EMPTY,
5188 };
5189
5190 static int editor_el_sokoban[] =
5191 {
5192   EL_SOKOBAN_OBJECT,
5193   EL_SOKOBAN_FIELD_EMPTY,
5194   EL_SOKOBAN_FIELD_FULL,
5195   EL_SOKOBAN_FIELD_PLAYER,
5196 };
5197 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5198 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5199 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5200 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5201
5202 static int editor_hl_supaplex[] =
5203 {
5204   EL_INTERNAL_CASCADE_SP_ACTIVE,
5205   EL_CHAR('S'),
5206   EL_CHAR('P'),
5207   EL_EMPTY,
5208 };
5209
5210 static int editor_el_supaplex[] =
5211 {
5212   EL_SP_MURPHY,
5213   EL_EMPTY,
5214   EL_SP_BASE,
5215   EL_SP_BUGGY_BASE,
5216
5217   EL_SP_INFOTRON,
5218   EL_SP_ZONK,
5219   EL_SP_SNIKSNAK,
5220   EL_SP_ELECTRON,
5221
5222   EL_SP_DISK_RED,
5223   EL_SP_DISK_ORANGE,
5224   EL_SP_DISK_YELLOW,
5225   EL_SP_TERMINAL,
5226
5227   EL_SP_EXIT_CLOSED,
5228   EL_SP_PORT_HORIZONTAL,
5229   EL_SP_PORT_VERTICAL,
5230   EL_SP_PORT_ANY,
5231
5232   EL_SP_PORT_LEFT,
5233   EL_SP_PORT_RIGHT,
5234   EL_SP_PORT_UP,
5235   EL_SP_PORT_DOWN,
5236
5237   EL_SP_GRAVITY_PORT_LEFT,
5238   EL_SP_GRAVITY_PORT_RIGHT,
5239   EL_SP_GRAVITY_PORT_UP,
5240   EL_SP_GRAVITY_PORT_DOWN,
5241
5242   EL_SP_GRAVITY_ON_PORT_LEFT,
5243   EL_SP_GRAVITY_ON_PORT_RIGHT,
5244   EL_SP_GRAVITY_ON_PORT_UP,
5245   EL_SP_GRAVITY_ON_PORT_DOWN,
5246
5247   EL_SP_GRAVITY_OFF_PORT_LEFT,
5248   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5249   EL_SP_GRAVITY_OFF_PORT_UP,
5250   EL_SP_GRAVITY_OFF_PORT_DOWN,
5251
5252   EL_SP_HARDWARE_GRAY,
5253   EL_SP_HARDWARE_GREEN,
5254   EL_SP_HARDWARE_BLUE,
5255   EL_SP_HARDWARE_RED,
5256
5257   EL_SP_HARDWARE_BASE_1,
5258   EL_SP_HARDWARE_BASE_2,
5259   EL_SP_HARDWARE_BASE_3,
5260   EL_SP_HARDWARE_BASE_4,
5261
5262   EL_SP_HARDWARE_BASE_5,
5263   EL_SP_HARDWARE_BASE_6,
5264   EL_SP_HARDWARE_YELLOW,
5265   EL_SP_CHIP_TOP,
5266
5267   EL_SP_CHIP_SINGLE,
5268   EL_SP_CHIP_LEFT,
5269   EL_SP_CHIP_RIGHT,
5270   EL_SP_CHIP_BOTTOM,
5271 };
5272 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5273 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5274 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5275 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5276
5277 static int editor_hl_diamond_caves[] =
5278 {
5279   EL_INTERNAL_CASCADE_DC_ACTIVE,
5280   EL_CHAR('D'),
5281   EL_CHAR('C'),
5282   EL_CHAR('2'),
5283 };
5284
5285 static int editor_el_diamond_caves[] =
5286 {
5287   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5288   EL_EM_STEEL_EXIT_OPEN,        // DC2
5289   EL_WALL_EMERALD,              // DC2
5290   EL_WALL_DIAMOND,              // DC2
5291
5292   EL_PEARL,
5293   EL_CRYSTAL,
5294   EL_WALL_PEARL,
5295   EL_WALL_CRYSTAL,
5296
5297   EL_CONVEYOR_BELT_1_LEFT,
5298   EL_CONVEYOR_BELT_1_MIDDLE,
5299   EL_CONVEYOR_BELT_1_RIGHT,
5300   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5301
5302   EL_CONVEYOR_BELT_2_LEFT,
5303   EL_CONVEYOR_BELT_2_MIDDLE,
5304   EL_CONVEYOR_BELT_2_RIGHT,
5305   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5306
5307   EL_CONVEYOR_BELT_3_LEFT,
5308   EL_CONVEYOR_BELT_3_MIDDLE,
5309   EL_CONVEYOR_BELT_3_RIGHT,
5310   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5311
5312   EL_CONVEYOR_BELT_4_LEFT,
5313   EL_CONVEYOR_BELT_4_MIDDLE,
5314   EL_CONVEYOR_BELT_4_RIGHT,
5315   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5316
5317   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5318   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5319   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5320   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5321
5322   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5323   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5324   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5325   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5326
5327   EL_TIMEGATE_CLOSED,
5328   EL_TIMEGATE_OPEN,
5329   EL_TIMEGATE_SWITCH,
5330   EL_DC_TIMEGATE_SWITCH,
5331
5332   EL_SWITCHGATE_CLOSED,
5333   EL_SWITCHGATE_OPEN,
5334   EL_SWITCHGATE_SWITCH_UP,
5335   EL_SWITCHGATE_SWITCH_DOWN,
5336
5337   EL_LIGHT_SWITCH,
5338   EL_LIGHT_SWITCH_ACTIVE,
5339   EL_DC_SWITCHGATE_SWITCH_UP,
5340   EL_DC_SWITCHGATE_SWITCH_DOWN,
5341
5342   EL_STEEL_EXIT_CLOSED,
5343   EL_STEEL_EXIT_OPEN,
5344   EL_STEELWALL_SLIPPERY,
5345   EL_INVISIBLE_SAND,
5346
5347   EL_QUICKSAND_FAST_EMPTY,
5348   EL_QUICKSAND_FAST_FULL,
5349   EL_LANDMINE,
5350   EL_DC_LANDMINE,
5351
5352   EL_SHIELD_NORMAL,
5353   EL_SHIELD_DEADLY,
5354   EL_EXTRA_TIME,
5355   EL_DC_MAGIC_WALL,
5356
5357   EL_ENVELOPE_1,
5358   EL_ENVELOPE_2,
5359   EL_ENVELOPE_3,
5360   EL_ENVELOPE_4,
5361
5362   EL_SIGN_RADIOACTIVITY,
5363   EL_SIGN_WHEELCHAIR,
5364   EL_SIGN_PARKING,
5365   EL_SIGN_NO_ENTRY,
5366
5367   EL_SIGN_GIVE_WAY,
5368   EL_SIGN_ENTRY_FORBIDDEN,
5369   EL_SIGN_EMERGENCY_EXIT,
5370   EL_SIGN_YIN_YANG,
5371
5372 #if 0
5373   EL_SIGN_SPERMS,
5374   EL_SIGN_BULLET,
5375   EL_SIGN_HEART,
5376   EL_SIGN_CROSS,
5377
5378   EL_SIGN_FRANKIE,
5379   EL_EMPTY,
5380   EL_EMPTY,
5381   EL_EMPTY,
5382
5383   EL_SPERMS,
5384   EL_BULLET,
5385   EL_HEART,
5386   EL_CROSS,
5387
5388   EL_FRANKIE,
5389   EL_EMPTY,
5390   EL_EMPTY,
5391   EL_EMPTY,
5392 #endif
5393
5394   EL_DC_STEELWALL_2_SINGLE,
5395   EL_DC_STEELWALL_2_TOP,
5396   EL_SIGN_EXCLAMATION,
5397   EL_SIGN_STOP,
5398
5399   EL_DC_STEELWALL_2_LEFT,
5400   EL_DC_STEELWALL_2_MIDDLE,
5401   EL_DC_STEELWALL_2_HORIZONTAL,
5402   EL_DC_STEELWALL_2_RIGHT,
5403
5404   EL_DC_STEELWALL_1_TOPLEFT,
5405   EL_DC_STEELWALL_2_VERTICAL,
5406   EL_DC_STEELWALL_1_TOPRIGHT,
5407   EL_DC_GATE_WHITE,
5408
5409   EL_DC_STEELWALL_1_VERTICAL,
5410   EL_DC_STEELWALL_2_BOTTOM,
5411   EL_DC_KEY_WHITE,
5412   EL_DC_GATE_WHITE_GRAY,
5413
5414   EL_DC_STEELWALL_1_BOTTOMLEFT,
5415   EL_DC_STEELWALL_1_HORIZONTAL,
5416   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5417   EL_DC_GATE_FAKE_GRAY,
5418
5419   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5420   EL_DC_STEELWALL_1_BOTTOM,
5421   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5422   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5423
5424   EL_DC_STEELWALL_1_RIGHT,
5425   EL_EMPTY,
5426   EL_DC_STEELWALL_1_LEFT,
5427   EL_EXPANDABLE_STEELWALL_VERTICAL,
5428
5429   EL_DC_STEELWALL_1_TOPRIGHT_2,
5430   EL_DC_STEELWALL_1_TOP,
5431   EL_DC_STEELWALL_1_TOPLEFT_2,
5432   EL_EXPANDABLE_STEELWALL_ANY,
5433 };
5434 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5435 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5436 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5437 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5438
5439 static int editor_hl_dx_boulderdash[] =
5440 {
5441   EL_INTERNAL_CASCADE_DX_ACTIVE,
5442   EL_CHAR('D'),
5443   EL_CHAR('X'),
5444   EL_EMPTY,
5445 };
5446
5447 static int editor_el_dx_boulderdash[] =
5448 {
5449   EL_EMPTY,
5450   EL_TUBE_RIGHT_DOWN,
5451   EL_TUBE_HORIZONTAL_DOWN,
5452   EL_TUBE_LEFT_DOWN,
5453
5454   EL_TUBE_HORIZONTAL,
5455   EL_TUBE_VERTICAL_RIGHT,
5456   EL_TUBE_ANY,
5457   EL_TUBE_VERTICAL_LEFT,
5458
5459   EL_TUBE_VERTICAL,
5460   EL_TUBE_RIGHT_UP,
5461   EL_TUBE_HORIZONTAL_UP,
5462   EL_TUBE_LEFT_UP,
5463
5464   EL_TRAP,
5465   EL_DX_SUPABOMB,
5466   EL_EMPTY,
5467   EL_EMPTY
5468 };
5469 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5470 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5471 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5472 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5473
5474 static int editor_hl_mirror_magic[] =
5475 {
5476   EL_INTERNAL_CASCADE_MM_ACTIVE,
5477   EL_CHAR('M'),
5478   EL_CHAR('M'),
5479   EL_EMPTY,
5480 };
5481
5482 static int editor_el_mirror_magic[] =
5483 {
5484   EL_MM_MCDUFFIN_RIGHT,
5485   EL_MM_MCDUFFIN_UP,
5486   EL_MM_MCDUFFIN_LEFT,
5487   EL_MM_MCDUFFIN_DOWN,
5488
5489   EL_MM_MIRROR_START,
5490   EL_MM_MIRROR_FIXED_START,
5491   EL_MM_POLARIZER_START,
5492   EL_MM_POLARIZER_CROSS_START,
5493
5494   EL_MM_TELEPORTER_RED_START,
5495   EL_MM_TELEPORTER_YELLOW_START,
5496   EL_MM_TELEPORTER_GREEN_START,
5497   EL_MM_TELEPORTER_BLUE_START,
5498
5499   EL_MM_PRISM,
5500   EL_MM_FUSE_ACTIVE,
5501   EL_MM_PACMAN_RIGHT,
5502   EL_MM_EXIT_CLOSED,
5503
5504   EL_MM_KETTLE,
5505   EL_MM_BOMB,
5506   EL_MM_KEY,
5507   EL_MM_FUEL_FULL,
5508
5509   EL_MM_LIGHTBULB,
5510   EL_MM_LIGHTBULB_ACTIVE,
5511   EL_MM_GRAY_BALL,
5512   EL_MM_LIGHTBALL,
5513
5514   EL_MM_STEEL_WALL,
5515   EL_MM_WOODEN_WALL,
5516   EL_MM_ICE_WALL,
5517   EL_MM_AMOEBA_WALL,
5518
5519   EL_MM_STEEL_LOCK,
5520   EL_MM_WOODEN_LOCK,
5521   EL_MM_STEEL_BLOCK,
5522   EL_MM_WOODEN_BLOCK,
5523
5524   EL_MM_STEEL_GRID_FIXED_1,
5525   EL_MM_STEEL_GRID_FIXED_2,
5526   EL_MM_STEEL_GRID_FIXED_3,
5527   EL_MM_STEEL_GRID_FIXED_4,
5528
5529   EL_MM_WOODEN_GRID_FIXED_1,
5530   EL_MM_WOODEN_GRID_FIXED_2,
5531   EL_MM_WOODEN_GRID_FIXED_3,
5532   EL_MM_WOODEN_GRID_FIXED_4,
5533
5534   EL_MM_ENVELOPE_1,
5535   EL_MM_ENVELOPE_2,
5536   EL_MM_ENVELOPE_3,
5537   EL_MM_ENVELOPE_4
5538 };
5539 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5540 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5541 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5542 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5543
5544 static int editor_hl_deflektor[] =
5545 {
5546   EL_INTERNAL_CASCADE_DF_ACTIVE,
5547   EL_CHAR('D'),
5548   EL_CHAR('F'),
5549   EL_EMPTY,
5550 };
5551
5552 static int editor_el_deflektor[] =
5553 {
5554   EL_DF_LASER_RIGHT,
5555   EL_DF_LASER_UP,
5556   EL_DF_LASER_LEFT,
5557   EL_DF_LASER_DOWN,
5558
5559   EL_DF_RECEIVER_RIGHT,
5560   EL_DF_RECEIVER_UP,
5561   EL_DF_RECEIVER_LEFT,
5562   EL_DF_RECEIVER_DOWN,
5563
5564   EL_DF_MIRROR_START,
5565   EL_DF_MIRROR_ROTATING_START,
5566   EL_DF_MIRROR_FIXED_START,
5567   EL_DF_CELL,
5568
5569   EL_DF_FIBRE_OPTIC_RED_1,
5570   EL_DF_FIBRE_OPTIC_YELLOW_1,
5571   EL_DF_FIBRE_OPTIC_GREEN_1,
5572   EL_DF_FIBRE_OPTIC_BLUE_1,
5573
5574   EL_DF_STEEL_GRID_FIXED_START,
5575   EL_DF_STEEL_GRID_ROTATING_START,
5576   EL_DF_WOODEN_GRID_FIXED_START,
5577   EL_DF_WOODEN_GRID_ROTATING_START,
5578
5579   EL_DF_STEEL_WALL,
5580   EL_DF_WOODEN_WALL,
5581   EL_DF_REFRACTOR,
5582   EL_DF_MINE,
5583
5584   EL_DF_SLOPE_1,
5585   EL_DF_SLOPE_2,
5586   EL_DF_SLOPE_3,
5587   EL_DF_SLOPE_4
5588 };
5589 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5590 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5591 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5592 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5593
5594 static int editor_hl_chars[] =
5595 {
5596   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5597   EL_CHAR('T'),
5598   EL_CHAR('X'),
5599   EL_CHAR('T'),
5600 };
5601
5602 static int editor_el_chars[] =
5603 {
5604   EL_CHAR(' '),
5605   EL_CHAR('!'),
5606   EL_CHAR('"'),
5607   EL_CHAR('#'),
5608
5609   EL_CHAR('$'),
5610   EL_CHAR('%'),
5611   EL_CHAR('&'),
5612   EL_CHAR('\''),
5613
5614   EL_CHAR('('),
5615   EL_CHAR(')'),
5616   EL_CHAR('*'),
5617   EL_CHAR('+'),
5618
5619   EL_CHAR(','),
5620   EL_CHAR('-'),
5621   EL_CHAR('.'),
5622   EL_CHAR('/'),
5623
5624   EL_CHAR('0'),
5625   EL_CHAR('1'),
5626   EL_CHAR('2'),
5627   EL_CHAR('3'),
5628
5629   EL_CHAR('4'),
5630   EL_CHAR('5'),
5631   EL_CHAR('6'),
5632   EL_CHAR('7'),
5633
5634   EL_CHAR('8'),
5635   EL_CHAR('9'),
5636   EL_CHAR(':'),
5637   EL_CHAR(';'),
5638
5639   EL_CHAR('<'),
5640   EL_CHAR('='),
5641   EL_CHAR('>'),
5642   EL_CHAR('?'),
5643
5644   EL_CHAR('@'),
5645   EL_CHAR('A'),
5646   EL_CHAR('B'),
5647   EL_CHAR('C'),
5648
5649   EL_CHAR('D'),
5650   EL_CHAR('E'),
5651   EL_CHAR('F'),
5652   EL_CHAR('G'),
5653
5654   EL_CHAR('H'),
5655   EL_CHAR('I'),
5656   EL_CHAR('J'),
5657   EL_CHAR('K'),
5658
5659   EL_CHAR('L'),
5660   EL_CHAR('M'),
5661   EL_CHAR('N'),
5662   EL_CHAR('O'),
5663
5664   EL_CHAR('P'),
5665   EL_CHAR('Q'),
5666   EL_CHAR('R'),
5667   EL_CHAR('S'),
5668
5669   EL_CHAR('T'),
5670   EL_CHAR('U'),
5671   EL_CHAR('V'),
5672   EL_CHAR('W'),
5673
5674   EL_CHAR('X'),
5675   EL_CHAR('Y'),
5676   EL_CHAR('Z'),
5677   EL_CHAR('['),
5678
5679   EL_CHAR('\\'),
5680   EL_CHAR(']'),
5681   EL_CHAR('^'),
5682   EL_CHAR('_'),
5683
5684   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5685   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5686   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5687   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5688
5689   EL_CHAR(CHAR_BYTE_DEGREE),
5690   EL_CHAR(CHAR_BYTE_REGISTERED),
5691   EL_CHAR(FONT_ASCII_CURSOR),
5692   EL_CHAR(FONT_ASCII_BUTTON),
5693
5694   EL_CHAR(FONT_ASCII_UP),
5695   EL_CHAR(FONT_ASCII_DOWN),
5696   EL_CHAR(' '),
5697   EL_CHAR(' ')
5698 };
5699 static int *editor_hl_chars_ptr = editor_hl_chars;
5700 static int *editor_el_chars_ptr = editor_el_chars;
5701 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5702 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5703
5704 static int editor_hl_steel_chars[] =
5705 {
5706   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5707   EL_STEEL_CHAR('T'),
5708   EL_STEEL_CHAR('X'),
5709   EL_STEEL_CHAR('T'),
5710 };
5711
5712 static int editor_el_steel_chars[] =
5713 {
5714   EL_STEEL_CHAR(' '),
5715   EL_STEEL_CHAR('!'),
5716   EL_STEEL_CHAR('"'),
5717   EL_STEEL_CHAR('#'),
5718
5719   EL_STEEL_CHAR('$'),
5720   EL_STEEL_CHAR('%'),
5721   EL_STEEL_CHAR('&'),
5722   EL_STEEL_CHAR('\''),
5723
5724   EL_STEEL_CHAR('('),
5725   EL_STEEL_CHAR(')'),
5726   EL_STEEL_CHAR('*'),
5727   EL_STEEL_CHAR('+'),
5728
5729   EL_STEEL_CHAR(','),
5730   EL_STEEL_CHAR('-'),
5731   EL_STEEL_CHAR('.'),
5732   EL_STEEL_CHAR('/'),
5733
5734   EL_STEEL_CHAR('0'),
5735   EL_STEEL_CHAR('1'),
5736   EL_STEEL_CHAR('2'),
5737   EL_STEEL_CHAR('3'),
5738
5739   EL_STEEL_CHAR('4'),
5740   EL_STEEL_CHAR('5'),
5741   EL_STEEL_CHAR('6'),
5742   EL_STEEL_CHAR('7'),
5743
5744   EL_STEEL_CHAR('8'),
5745   EL_STEEL_CHAR('9'),
5746   EL_STEEL_CHAR(':'),
5747   EL_STEEL_CHAR(';'),
5748
5749   EL_STEEL_CHAR('<'),
5750   EL_STEEL_CHAR('='),
5751   EL_STEEL_CHAR('>'),
5752   EL_STEEL_CHAR('?'),
5753
5754   EL_STEEL_CHAR('@'),
5755   EL_STEEL_CHAR('A'),
5756   EL_STEEL_CHAR('B'),
5757   EL_STEEL_CHAR('C'),
5758
5759   EL_STEEL_CHAR('D'),
5760   EL_STEEL_CHAR('E'),
5761   EL_STEEL_CHAR('F'),
5762   EL_STEEL_CHAR('G'),
5763
5764   EL_STEEL_CHAR('H'),
5765   EL_STEEL_CHAR('I'),
5766   EL_STEEL_CHAR('J'),
5767   EL_STEEL_CHAR('K'),
5768
5769   EL_STEEL_CHAR('L'),
5770   EL_STEEL_CHAR('M'),
5771   EL_STEEL_CHAR('N'),
5772   EL_STEEL_CHAR('O'),
5773
5774   EL_STEEL_CHAR('P'),
5775   EL_STEEL_CHAR('Q'),
5776   EL_STEEL_CHAR('R'),
5777   EL_STEEL_CHAR('S'),
5778
5779   EL_STEEL_CHAR('T'),
5780   EL_STEEL_CHAR('U'),
5781   EL_STEEL_CHAR('V'),
5782   EL_STEEL_CHAR('W'),
5783
5784   EL_STEEL_CHAR('X'),
5785   EL_STEEL_CHAR('Y'),
5786   EL_STEEL_CHAR('Z'),
5787   EL_STEEL_CHAR('['),
5788
5789   EL_STEEL_CHAR('\\'),
5790   EL_STEEL_CHAR(']'),
5791   EL_STEEL_CHAR('^'),
5792   EL_STEEL_CHAR('_'),
5793
5794   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5795   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5796   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5797   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5798
5799   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5800   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5801   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5802   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5803
5804   EL_STEEL_CHAR(FONT_ASCII_UP),
5805   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5806   EL_STEEL_CHAR(' '),
5807   EL_STEEL_CHAR(' ')
5808 };
5809 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5810 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5811 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5812 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5813
5814 static int editor_hl_custom[] =
5815 {
5816   EL_INTERNAL_CASCADE_CE_ACTIVE,
5817   EL_CHAR('C'),
5818   EL_CHAR('E'),
5819   EL_EMPTY,
5820 };
5821
5822 static int editor_el_custom[] =
5823 {
5824   EL_CUSTOM_START + 0,
5825   EL_CUSTOM_START + 1,
5826   EL_CUSTOM_START + 2,
5827   EL_CUSTOM_START + 3,
5828
5829   EL_CUSTOM_START + 4,
5830   EL_CUSTOM_START + 5,
5831   EL_CUSTOM_START + 6,
5832   EL_CUSTOM_START + 7,
5833
5834   EL_CUSTOM_START + 8,
5835   EL_CUSTOM_START + 9,
5836   EL_CUSTOM_START + 10,
5837   EL_CUSTOM_START + 11,
5838
5839   EL_CUSTOM_START + 12,
5840   EL_CUSTOM_START + 13,
5841   EL_CUSTOM_START + 14,
5842   EL_CUSTOM_START + 15,
5843
5844   EL_CUSTOM_START + 16,
5845   EL_CUSTOM_START + 17,
5846   EL_CUSTOM_START + 18,
5847   EL_CUSTOM_START + 19,
5848
5849   EL_CUSTOM_START + 20,
5850   EL_CUSTOM_START + 21,
5851   EL_CUSTOM_START + 22,
5852   EL_CUSTOM_START + 23,
5853
5854   EL_CUSTOM_START + 24,
5855   EL_CUSTOM_START + 25,
5856   EL_CUSTOM_START + 26,
5857   EL_CUSTOM_START + 27,
5858
5859   EL_CUSTOM_START + 28,
5860   EL_CUSTOM_START + 29,
5861   EL_CUSTOM_START + 30,
5862   EL_CUSTOM_START + 31,
5863
5864   EL_CUSTOM_START + 32,
5865   EL_CUSTOM_START + 33,
5866   EL_CUSTOM_START + 34,
5867   EL_CUSTOM_START + 35,
5868
5869   EL_CUSTOM_START + 36,
5870   EL_CUSTOM_START + 37,
5871   EL_CUSTOM_START + 38,
5872   EL_CUSTOM_START + 39,
5873
5874   EL_CUSTOM_START + 40,
5875   EL_CUSTOM_START + 41,
5876   EL_CUSTOM_START + 42,
5877   EL_CUSTOM_START + 43,
5878
5879   EL_CUSTOM_START + 44,
5880   EL_CUSTOM_START + 45,
5881   EL_CUSTOM_START + 46,
5882   EL_CUSTOM_START + 47,
5883
5884   EL_CUSTOM_START + 48,
5885   EL_CUSTOM_START + 49,
5886   EL_CUSTOM_START + 50,
5887   EL_CUSTOM_START + 51,
5888
5889   EL_CUSTOM_START + 52,
5890   EL_CUSTOM_START + 53,
5891   EL_CUSTOM_START + 54,
5892   EL_CUSTOM_START + 55,
5893
5894   EL_CUSTOM_START + 56,
5895   EL_CUSTOM_START + 57,
5896   EL_CUSTOM_START + 58,
5897   EL_CUSTOM_START + 59,
5898
5899   EL_CUSTOM_START + 60,
5900   EL_CUSTOM_START + 61,
5901   EL_CUSTOM_START + 62,
5902   EL_CUSTOM_START + 63,
5903
5904   EL_CUSTOM_START + 64,
5905   EL_CUSTOM_START + 65,
5906   EL_CUSTOM_START + 66,
5907   EL_CUSTOM_START + 67,
5908
5909   EL_CUSTOM_START + 68,
5910   EL_CUSTOM_START + 69,
5911   EL_CUSTOM_START + 70,
5912   EL_CUSTOM_START + 71,
5913
5914   EL_CUSTOM_START + 72,
5915   EL_CUSTOM_START + 73,
5916   EL_CUSTOM_START + 74,
5917   EL_CUSTOM_START + 75,
5918
5919   EL_CUSTOM_START + 76,
5920   EL_CUSTOM_START + 77,
5921   EL_CUSTOM_START + 78,
5922   EL_CUSTOM_START + 79,
5923
5924   EL_CUSTOM_START + 80,
5925   EL_CUSTOM_START + 81,
5926   EL_CUSTOM_START + 82,
5927   EL_CUSTOM_START + 83,
5928
5929   EL_CUSTOM_START + 84,
5930   EL_CUSTOM_START + 85,
5931   EL_CUSTOM_START + 86,
5932   EL_CUSTOM_START + 87,
5933
5934   EL_CUSTOM_START + 88,
5935   EL_CUSTOM_START + 89,
5936   EL_CUSTOM_START + 90,
5937   EL_CUSTOM_START + 91,
5938
5939   EL_CUSTOM_START + 92,
5940   EL_CUSTOM_START + 93,
5941   EL_CUSTOM_START + 94,
5942   EL_CUSTOM_START + 95,
5943
5944   EL_CUSTOM_START + 96,
5945   EL_CUSTOM_START + 97,
5946   EL_CUSTOM_START + 98,
5947   EL_CUSTOM_START + 99,
5948
5949   EL_CUSTOM_START + 100,
5950   EL_CUSTOM_START + 101,
5951   EL_CUSTOM_START + 102,
5952   EL_CUSTOM_START + 103,
5953
5954   EL_CUSTOM_START + 104,
5955   EL_CUSTOM_START + 105,
5956   EL_CUSTOM_START + 106,
5957   EL_CUSTOM_START + 107,
5958
5959   EL_CUSTOM_START + 108,
5960   EL_CUSTOM_START + 109,
5961   EL_CUSTOM_START + 110,
5962   EL_CUSTOM_START + 111,
5963
5964   EL_CUSTOM_START + 112,
5965   EL_CUSTOM_START + 113,
5966   EL_CUSTOM_START + 114,
5967   EL_CUSTOM_START + 115,
5968
5969   EL_CUSTOM_START + 116,
5970   EL_CUSTOM_START + 117,
5971   EL_CUSTOM_START + 118,
5972   EL_CUSTOM_START + 119,
5973
5974   EL_CUSTOM_START + 120,
5975   EL_CUSTOM_START + 121,
5976   EL_CUSTOM_START + 122,
5977   EL_CUSTOM_START + 123,
5978
5979   EL_CUSTOM_START + 124,
5980   EL_CUSTOM_START + 125,
5981   EL_CUSTOM_START + 126,
5982   EL_CUSTOM_START + 127,
5983
5984   EL_CUSTOM_START + 128,
5985   EL_CUSTOM_START + 129,
5986   EL_CUSTOM_START + 130,
5987   EL_CUSTOM_START + 131,
5988
5989   EL_CUSTOM_START + 132,
5990   EL_CUSTOM_START + 133,
5991   EL_CUSTOM_START + 134,
5992   EL_CUSTOM_START + 135,
5993
5994   EL_CUSTOM_START + 136,
5995   EL_CUSTOM_START + 137,
5996   EL_CUSTOM_START + 138,
5997   EL_CUSTOM_START + 139,
5998
5999   EL_CUSTOM_START + 140,
6000   EL_CUSTOM_START + 141,
6001   EL_CUSTOM_START + 142,
6002   EL_CUSTOM_START + 143,
6003
6004   EL_CUSTOM_START + 144,
6005   EL_CUSTOM_START + 145,
6006   EL_CUSTOM_START + 146,
6007   EL_CUSTOM_START + 147,
6008
6009   EL_CUSTOM_START + 148,
6010   EL_CUSTOM_START + 149,
6011   EL_CUSTOM_START + 150,
6012   EL_CUSTOM_START + 151,
6013
6014   EL_CUSTOM_START + 152,
6015   EL_CUSTOM_START + 153,
6016   EL_CUSTOM_START + 154,
6017   EL_CUSTOM_START + 155,
6018
6019   EL_CUSTOM_START + 156,
6020   EL_CUSTOM_START + 157,
6021   EL_CUSTOM_START + 158,
6022   EL_CUSTOM_START + 159,
6023
6024   EL_CUSTOM_START + 160,
6025   EL_CUSTOM_START + 161,
6026   EL_CUSTOM_START + 162,
6027   EL_CUSTOM_START + 163,
6028
6029   EL_CUSTOM_START + 164,
6030   EL_CUSTOM_START + 165,
6031   EL_CUSTOM_START + 166,
6032   EL_CUSTOM_START + 167,
6033
6034   EL_CUSTOM_START + 168,
6035   EL_CUSTOM_START + 169,
6036   EL_CUSTOM_START + 170,
6037   EL_CUSTOM_START + 171,
6038
6039   EL_CUSTOM_START + 172,
6040   EL_CUSTOM_START + 173,
6041   EL_CUSTOM_START + 174,
6042   EL_CUSTOM_START + 175,
6043
6044   EL_CUSTOM_START + 176,
6045   EL_CUSTOM_START + 177,
6046   EL_CUSTOM_START + 178,
6047   EL_CUSTOM_START + 179,
6048
6049   EL_CUSTOM_START + 180,
6050   EL_CUSTOM_START + 181,
6051   EL_CUSTOM_START + 182,
6052   EL_CUSTOM_START + 183,
6053
6054   EL_CUSTOM_START + 184,
6055   EL_CUSTOM_START + 185,
6056   EL_CUSTOM_START + 186,
6057   EL_CUSTOM_START + 187,
6058
6059   EL_CUSTOM_START + 188,
6060   EL_CUSTOM_START + 189,
6061   EL_CUSTOM_START + 190,
6062   EL_CUSTOM_START + 191,
6063
6064   EL_CUSTOM_START + 192,
6065   EL_CUSTOM_START + 193,
6066   EL_CUSTOM_START + 194,
6067   EL_CUSTOM_START + 195,
6068
6069   EL_CUSTOM_START + 196,
6070   EL_CUSTOM_START + 197,
6071   EL_CUSTOM_START + 198,
6072   EL_CUSTOM_START + 199,
6073
6074   EL_CUSTOM_START + 200,
6075   EL_CUSTOM_START + 201,
6076   EL_CUSTOM_START + 202,
6077   EL_CUSTOM_START + 203,
6078
6079   EL_CUSTOM_START + 204,
6080   EL_CUSTOM_START + 205,
6081   EL_CUSTOM_START + 206,
6082   EL_CUSTOM_START + 207,
6083
6084   EL_CUSTOM_START + 208,
6085   EL_CUSTOM_START + 209,
6086   EL_CUSTOM_START + 210,
6087   EL_CUSTOM_START + 211,
6088
6089   EL_CUSTOM_START + 212,
6090   EL_CUSTOM_START + 213,
6091   EL_CUSTOM_START + 214,
6092   EL_CUSTOM_START + 215,
6093
6094   EL_CUSTOM_START + 216,
6095   EL_CUSTOM_START + 217,
6096   EL_CUSTOM_START + 218,
6097   EL_CUSTOM_START + 219,
6098
6099   EL_CUSTOM_START + 220,
6100   EL_CUSTOM_START + 221,
6101   EL_CUSTOM_START + 222,
6102   EL_CUSTOM_START + 223,
6103
6104   EL_CUSTOM_START + 224,
6105   EL_CUSTOM_START + 225,
6106   EL_CUSTOM_START + 226,
6107   EL_CUSTOM_START + 227,
6108
6109   EL_CUSTOM_START + 228,
6110   EL_CUSTOM_START + 229,
6111   EL_CUSTOM_START + 230,
6112   EL_CUSTOM_START + 231,
6113
6114   EL_CUSTOM_START + 232,
6115   EL_CUSTOM_START + 233,
6116   EL_CUSTOM_START + 234,
6117   EL_CUSTOM_START + 235,
6118
6119   EL_CUSTOM_START + 236,
6120   EL_CUSTOM_START + 237,
6121   EL_CUSTOM_START + 238,
6122   EL_CUSTOM_START + 239,
6123
6124   EL_CUSTOM_START + 240,
6125   EL_CUSTOM_START + 241,
6126   EL_CUSTOM_START + 242,
6127   EL_CUSTOM_START + 243,
6128
6129   EL_CUSTOM_START + 244,
6130   EL_CUSTOM_START + 245,
6131   EL_CUSTOM_START + 246,
6132   EL_CUSTOM_START + 247,
6133
6134   EL_CUSTOM_START + 248,
6135   EL_CUSTOM_START + 249,
6136   EL_CUSTOM_START + 250,
6137   EL_CUSTOM_START + 251,
6138
6139   EL_CUSTOM_START + 252,
6140   EL_CUSTOM_START + 253,
6141   EL_CUSTOM_START + 254,
6142   EL_CUSTOM_START + 255
6143 };
6144 static int *editor_hl_custom_ptr = editor_hl_custom;
6145 static int *editor_el_custom_ptr = editor_el_custom;
6146 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6147 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6148
6149 static int editor_hl_group[] =
6150 {
6151   EL_INTERNAL_CASCADE_GE_ACTIVE,
6152   EL_CHAR('G'),
6153   EL_CHAR('E'),
6154   EL_EMPTY,
6155 };
6156
6157 static int editor_el_group[] =
6158 {
6159   EL_GROUP_START + 0,
6160   EL_GROUP_START + 1,
6161   EL_GROUP_START + 2,
6162   EL_GROUP_START + 3,
6163
6164   EL_GROUP_START + 4,
6165   EL_GROUP_START + 5,
6166   EL_GROUP_START + 6,
6167   EL_GROUP_START + 7,
6168
6169   EL_GROUP_START + 8,
6170   EL_GROUP_START + 9,
6171   EL_GROUP_START + 10,
6172   EL_GROUP_START + 11,
6173
6174   EL_GROUP_START + 12,
6175   EL_GROUP_START + 13,
6176   EL_GROUP_START + 14,
6177   EL_GROUP_START + 15,
6178
6179   EL_GROUP_START + 16,
6180   EL_GROUP_START + 17,
6181   EL_GROUP_START + 18,
6182   EL_GROUP_START + 19,
6183
6184   EL_GROUP_START + 20,
6185   EL_GROUP_START + 21,
6186   EL_GROUP_START + 22,
6187   EL_GROUP_START + 23,
6188
6189   EL_GROUP_START + 24,
6190   EL_GROUP_START + 25,
6191   EL_GROUP_START + 26,
6192   EL_GROUP_START + 27,
6193
6194   EL_GROUP_START + 28,
6195   EL_GROUP_START + 29,
6196   EL_GROUP_START + 30,
6197   EL_GROUP_START + 31
6198 };
6199 static int *editor_hl_group_ptr = editor_hl_group;
6200 static int *editor_el_group_ptr = editor_el_group;
6201 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6202 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6203
6204 static int editor_hl_empty_space[] =
6205 {
6206   EL_INTERNAL_CASCADE_ES_ACTIVE,
6207   EL_CHAR('E'),
6208   EL_CHAR('S'),
6209   EL_EMPTY,
6210 };
6211
6212 static int editor_el_empty_space[] =
6213 {
6214   EL_EMPTY_SPACE_1,
6215   EL_EMPTY_SPACE_2,
6216   EL_EMPTY_SPACE_3,
6217   EL_EMPTY_SPACE_4,
6218
6219   EL_EMPTY_SPACE_5,
6220   EL_EMPTY_SPACE_6,
6221   EL_EMPTY_SPACE_7,
6222   EL_EMPTY_SPACE_8,
6223
6224   EL_EMPTY_SPACE_9,
6225   EL_EMPTY_SPACE_10,
6226   EL_EMPTY_SPACE_11,
6227   EL_EMPTY_SPACE_12,
6228
6229   EL_EMPTY_SPACE_13,
6230   EL_EMPTY_SPACE_14,
6231   EL_EMPTY_SPACE_15,
6232   EL_EMPTY_SPACE_16
6233 };
6234 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6235 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6236 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6237 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6238
6239 static int editor_hl_reference[] =
6240 {
6241   EL_INTERNAL_CASCADE_REF_ACTIVE,
6242   EL_CHAR('R'),
6243   EL_CHAR('E'),
6244   EL_CHAR('F')
6245 };
6246
6247 static int editor_el_reference[] =
6248 {
6249   EL_TRIGGER_PLAYER,
6250   EL_TRIGGER_ELEMENT,
6251   EL_TRIGGER_CE_VALUE,
6252   EL_TRIGGER_CE_SCORE,
6253
6254   EL_SELF,
6255   EL_ANY_ELEMENT,
6256   EL_CURRENT_CE_VALUE,
6257   EL_CURRENT_CE_SCORE,
6258
6259   EL_PREV_CE_8,
6260   EL_PREV_CE_7,
6261   EL_PREV_CE_6,
6262   EL_PREV_CE_5,
6263
6264   EL_PREV_CE_4,
6265   EL_PREV_CE_3,
6266   EL_PREV_CE_2,
6267   EL_PREV_CE_1,
6268
6269   EL_NEXT_CE_1,
6270   EL_NEXT_CE_2,
6271   EL_NEXT_CE_3,
6272   EL_NEXT_CE_4,
6273
6274   EL_NEXT_CE_5,
6275   EL_NEXT_CE_6,
6276   EL_NEXT_CE_7,
6277   EL_NEXT_CE_8,
6278 };
6279 static int *editor_hl_reference_ptr = editor_hl_reference;
6280 static int *editor_el_reference_ptr = editor_el_reference;
6281 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6282 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6283
6284 static int editor_hl_user_defined[] =
6285 {
6286   EL_INTERNAL_CASCADE_USER_ACTIVE,
6287   EL_CHAR('M'),
6288   EL_CHAR('Y'),
6289   EL_EMPTY,
6290 };
6291
6292 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6293 static int *editor_el_user_defined_ptr = NULL;
6294 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6295 static int num_editor_el_user_defined = 0;
6296
6297 static int editor_hl_dynamic[] =
6298 {
6299   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6300   EL_CHAR('U'),
6301   EL_CHAR('S'),
6302   EL_CHAR('E'),
6303 };
6304
6305 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6306 static int *editor_el_dynamic_ptr = NULL;
6307 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6308 static int num_editor_el_dynamic = 0;
6309
6310 static int editor_hl_empty[] = { EL_EMPTY };
6311 static int *editor_el_empty = NULL;     // dynamically allocated
6312
6313 static int *editor_hl_empty_ptr = editor_hl_empty;
6314 static int *editor_el_empty_ptr = NULL;
6315 static int num_editor_hl_empty = 0;
6316 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6317
6318 static boolean use_el_empty = FALSE;
6319
6320 static int *editor_elements = NULL;     // dynamically allocated
6321 static int num_editor_elements = 0;     // dynamically determined
6322
6323 static boolean setup_editor_cascade_never = FALSE;
6324
6325 static boolean setup_editor_el_players                  = TRUE;
6326 static boolean setup_editor_el_boulderdash              = TRUE;
6327 static boolean setup_editor_el_boulderdash_native       = TRUE;
6328 static boolean setup_editor_el_emerald_mine             = TRUE;
6329 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6330 static boolean setup_editor_el_more                     = TRUE;
6331 static boolean setup_editor_el_sokoban                  = TRUE;
6332 static boolean setup_editor_el_supaplex                 = TRUE;
6333 static boolean setup_editor_el_diamond_caves            = TRUE;
6334 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6335 static boolean setup_editor_el_mirror_magic             = TRUE;
6336 static boolean setup_editor_el_deflektor                = TRUE;
6337 static boolean setup_editor_el_chars                    = TRUE;
6338 static boolean setup_editor_el_steel_chars              = TRUE;
6339 static boolean setup_editor_el_custom                   = TRUE;
6340 static boolean setup_editor_el_user_defined             = TRUE;
6341 static boolean setup_editor_el_dynamic                  = TRUE;
6342
6343 static int editor_hl_unused[] = { EL_EMPTY };
6344 static int *editor_hl_unused_ptr = editor_hl_unused;
6345 static int num_editor_hl_unused = 0;
6346
6347 static struct
6348 {
6349   boolean *setup_value;
6350   boolean *setup_cascade_value;
6351
6352   int **headline_list;
6353   int *headline_list_size;
6354
6355   int **element_list;
6356   int *element_list_size;
6357
6358   boolean last_setup_value;
6359 }
6360 editor_elements_info[] =
6361 {
6362   {
6363     &setup_editor_el_players,
6364     &setup_editor_cascade_never,
6365     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6366     &editor_el_players_ptr,             &num_editor_el_players
6367   },
6368   {
6369     &setup_editor_el_boulderdash,
6370     &setup.editor_cascade.el_bd,
6371     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6372     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6373   },
6374   {
6375     &setup_editor_el_boulderdash_native,
6376     &setup.editor_cascade.el_bd_native,
6377     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6378     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6379   },
6380   {
6381     &setup_editor_el_emerald_mine,
6382     &setup.editor_cascade.el_em,
6383     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6384     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6385   },
6386   {
6387     &setup_editor_el_emerald_mine_club,
6388     &setup.editor_cascade.el_emc,
6389     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6390     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6391   },
6392   {
6393     &setup_editor_el_more,
6394     &setup.editor_cascade.el_rnd,
6395     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6396     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6397   },
6398   {
6399     &setup_editor_el_sokoban,
6400     &setup.editor_cascade.el_sb,
6401     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6402     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6403   },
6404   {
6405     &setup_editor_el_supaplex,
6406     &setup.editor_cascade.el_sp,
6407     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6408     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6409   },
6410   {
6411     &setup_editor_el_diamond_caves,
6412     &setup.editor_cascade.el_dc,
6413     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6414     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6415   },
6416   {
6417     &setup_editor_el_dx_boulderdash,
6418     &setup.editor_cascade.el_dx,
6419     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6420     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6421   },
6422   {
6423     &setup_editor_el_mirror_magic,
6424     &setup.editor_cascade.el_mm,
6425     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6426     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6427   },
6428   {
6429     &setup_editor_el_deflektor,
6430     &setup.editor_cascade.el_df,
6431     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6432     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6433   },
6434   {
6435     &setup_editor_el_chars,
6436     &setup.editor_cascade.el_chars,
6437     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6438     &editor_el_chars_ptr,               &num_editor_el_chars
6439   },
6440   {
6441     &setup_editor_el_steel_chars,
6442     &setup.editor_cascade.el_steel_chars,
6443     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6444     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6445   },
6446   {
6447     &setup_editor_el_custom,
6448     &setup.editor_cascade.el_ce,
6449     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6450     &editor_el_custom_ptr,              &num_editor_el_custom
6451   },
6452   {
6453     &setup_editor_el_custom,
6454     &setup.editor_cascade.el_ge,
6455     &editor_hl_group_ptr,               &num_editor_hl_group,
6456     &editor_el_group_ptr,               &num_editor_el_group
6457   },
6458   {
6459     &setup_editor_el_custom,
6460     &setup.editor_cascade.el_es,
6461     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6462     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6463   },
6464   {
6465     &setup_editor_el_custom,
6466     &setup.editor_cascade.el_ref,
6467     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6468     &editor_el_reference_ptr,           &num_editor_el_reference
6469   },
6470   {
6471     &setup_editor_el_user_defined,
6472     &setup.editor_cascade.el_user,
6473     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6474     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6475   },
6476   {
6477     &setup_editor_el_dynamic,
6478     &setup.editor_cascade.el_dynamic,
6479     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6480     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6481   },
6482   {
6483     &use_el_empty,
6484     &use_el_empty,
6485     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6486     &editor_el_empty_ptr,               &num_editor_el_empty,
6487   },
6488   {
6489     NULL,
6490     NULL,
6491     NULL,                               NULL,
6492     NULL,                               NULL
6493   }
6494 };
6495
6496 static struct XY xy_directions[] =
6497 {
6498   { -1,  0 },
6499   { +1,  0 },
6500   {  0, -1 },
6501   {  0, +1 }
6502 };
6503
6504
6505 // ----------------------------------------------------------------------------
6506 // functions
6507 // ----------------------------------------------------------------------------
6508
6509 static int getMaxInfoTextLength(void)
6510 {
6511   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6512 }
6513
6514 static int getTextWidthForGadget(char *text)
6515 {
6516   if (text == NULL)
6517     return 0;
6518
6519   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6520 }
6521
6522 static int getTextWidthForDrawingArea(char *text)
6523 {
6524   if (text == NULL)
6525     return 0;
6526
6527   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6528 }
6529
6530 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6531 {
6532   return (gi->x + gi->width + getTextWidthForGadget(text));
6533 }
6534
6535 static char *getElementInfoText(int element)
6536 {
6537   char *info_text = NULL;
6538
6539   if (element < MAX_NUM_ELEMENTS)
6540   {
6541     if (strlen(element_info[element].description) > 0)
6542       info_text = element_info[element].description;
6543     else if (element_info[element].custom_description != NULL)
6544       info_text = element_info[element].custom_description;
6545     else if (element_info[element].editor_description != NULL)
6546       info_text = element_info[element].editor_description;
6547   }
6548
6549   if (info_text == NULL)
6550     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6551
6552   return info_text;
6553 }
6554
6555 static char *getElementDescriptionFilenameExt(char *basename)
6556 {
6557   char *elements_subdir = ELEMENTS_DIRECTORY;
6558   static char *elements_subdir2 = NULL;
6559   static char *filename = NULL;
6560
6561   if (elements_subdir2 == NULL)
6562     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6563
6564   checked_free(filename);
6565
6566   // 1st try: look for element description in current level set directory
6567   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6568   if (fileExists(filename))
6569     return filename;
6570
6571   free(filename);
6572
6573   // 2nd try: look for element description in the game's base directory
6574   filename = getPath3(options.docs_directory, elements_subdir, basename);
6575   if (fileExists(filename))
6576     return filename;
6577
6578   return NULL;
6579 }
6580
6581 static char *getElementDescriptionFilename(int element)
6582 {
6583   char basename[MAX_FILENAME_LEN];
6584   char *filename;
6585
6586   // 1st try: look for element description file for exactly this element
6587   sprintf(basename, "%s.txt", element_info[element].token_name);
6588   filename = getElementDescriptionFilenameExt(basename);
6589   if (filename != NULL)
6590     return filename;
6591
6592   // 2nd try: look for element description file for this element's class
6593   sprintf(basename, "%s.txt", element_info[element].class_name);
6594   filename = getElementDescriptionFilenameExt(basename);
6595   if (filename != NULL)
6596     return filename;
6597
6598   // 3rd try: look for generic fallback text file for any element
6599   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6600   if (filename != NULL)
6601     return filename;
6602
6603   return NULL;
6604 }
6605
6606 static boolean suppressBorderElement(void)
6607 {
6608   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6609           lev_fieldx <= MAX_ED_FIELDX &&
6610           lev_fieldy <= MAX_ED_FIELDY);
6611 }
6612
6613 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6614 {
6615   boolean element_found[NUM_FILE_ELEMENTS];
6616   int i, x, y;
6617
6618   // initialize list of used elements to "not used"
6619   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6620     element_found[i] = FALSE;
6621
6622   // find all elements used in current level
6623   for (y = 0; y < lev_fieldy; y++)
6624   {
6625     for (x = 0; x < lev_fieldx; x++)
6626     {
6627       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6628         continue;
6629
6630       if (IS_MM_WALL(Tile[x][y]))
6631         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6632       else
6633         element_found[Tile[x][y]] = TRUE;
6634     }
6635   }
6636
6637   *num_elements = 0;
6638
6639   // count number of elements used in current level
6640   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6641     if (element_found[i])
6642       (*num_elements)++;
6643
6644   // add space for up to 3 more elements for padding that may be needed
6645   *num_elements += 3;
6646
6647   // free memory for old list of elements, if needed
6648   checked_free(*elements);
6649
6650   // allocate memory for new list of elements
6651   *elements = checked_malloc(*num_elements * sizeof(int));
6652
6653   *num_elements = 0;
6654
6655   // add all elements used in current level (non-custom/group/empty elements)
6656   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6657     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6658                               IS_GROUP_ELEMENT(i) ||
6659                               IS_EMPTY_ELEMENT(i)))
6660       (*elements)[(*num_elements)++] = i;
6661
6662   // add all elements used in current level (custom/group/empty elements)
6663   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6664     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6665                              IS_GROUP_ELEMENT(i) ||
6666                              IS_EMPTY_ELEMENT(i)))
6667       (*elements)[(*num_elements)++] = i;
6668
6669   while (*num_elements % 4)     // pad with empty elements, if needed
6670     (*elements)[(*num_elements)++] = EL_EMPTY;
6671 }
6672
6673 static void ReinitializeElementList_EnableSections(void)
6674 {
6675   // default: enable all element sections
6676
6677   setup_editor_el_players               = TRUE;
6678   setup_editor_el_boulderdash           = TRUE;
6679   setup_editor_el_boulderdash_native    = TRUE;
6680   setup_editor_el_emerald_mine          = TRUE;
6681   setup_editor_el_emerald_mine_club     = TRUE;
6682   setup_editor_el_more                  = TRUE;
6683   setup_editor_el_sokoban               = TRUE;
6684   setup_editor_el_supaplex              = TRUE;
6685   setup_editor_el_diamond_caves         = TRUE;
6686   setup_editor_el_dx_boulderdash        = TRUE;
6687   setup_editor_el_mirror_magic          = TRUE;
6688   setup_editor_el_deflektor             = TRUE;
6689   setup_editor_el_chars                 = TRUE;
6690   setup_editor_el_steel_chars           = TRUE;
6691
6692   setup_editor_el_custom                = TRUE;
6693   setup_editor_el_user_defined          = TRUE;
6694   setup_editor_el_dynamic               = TRUE;
6695
6696   // now disable all element sections not to be displayed
6697
6698   if (!setup.editor.el_classic)
6699   {
6700     setup_editor_el_players             = FALSE;
6701     setup_editor_el_boulderdash         = FALSE;
6702     setup_editor_el_boulderdash_native  = FALSE;
6703     setup_editor_el_emerald_mine        = FALSE;
6704     setup_editor_el_emerald_mine_club   = FALSE;
6705     setup_editor_el_more                = FALSE;
6706     setup_editor_el_sokoban             = FALSE;
6707     setup_editor_el_supaplex            = FALSE;
6708     setup_editor_el_diamond_caves       = FALSE;
6709     setup_editor_el_dx_boulderdash      = FALSE;
6710     setup_editor_el_mirror_magic        = FALSE;
6711     setup_editor_el_deflektor           = FALSE;
6712     setup_editor_el_chars               = FALSE;
6713     setup_editor_el_steel_chars         = FALSE;
6714   }
6715
6716   if (!setup.editor.el_custom)
6717   {
6718     setup_editor_el_custom              = FALSE;
6719   }
6720
6721   if (!setup.editor.el_user_defined)
6722   {
6723     setup_editor_el_user_defined        = FALSE;
6724   }
6725
6726   if (!setup.editor.el_dynamic)
6727   {
6728     setup_editor_el_dynamic             = FALSE;
6729   }
6730
6731   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6732   {
6733     setup_editor_el_boulderdash_native  = FALSE;
6734     setup_editor_el_mirror_magic        = FALSE;
6735     setup_editor_el_deflektor           = FALSE;
6736   }
6737   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6738   {
6739     setup_editor_el_players             = FALSE;
6740     setup_editor_el_boulderdash         = FALSE;
6741     setup_editor_el_emerald_mine        = FALSE;
6742     setup_editor_el_emerald_mine_club   = FALSE;
6743     setup_editor_el_more                = FALSE;
6744     setup_editor_el_sokoban             = FALSE;
6745     setup_editor_el_supaplex            = FALSE;
6746     setup_editor_el_diamond_caves       = FALSE;
6747     setup_editor_el_dx_boulderdash      = FALSE;
6748     setup_editor_el_mirror_magic        = FALSE;
6749     setup_editor_el_deflektor           = FALSE;
6750     setup_editor_el_chars               = FALSE;
6751     setup_editor_el_steel_chars         = FALSE;
6752
6753     setup_editor_el_custom              = FALSE;
6754   }
6755   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6756   {
6757     setup_editor_el_boulderdash         = FALSE;
6758     setup_editor_el_boulderdash_native  = FALSE;
6759     setup_editor_el_more                = FALSE;
6760     setup_editor_el_sokoban             = FALSE;
6761     setup_editor_el_supaplex            = FALSE;
6762     setup_editor_el_diamond_caves       = FALSE;
6763     setup_editor_el_dx_boulderdash      = FALSE;
6764     setup_editor_el_mirror_magic        = FALSE;
6765     setup_editor_el_deflektor           = FALSE;
6766     setup_editor_el_steel_chars         = FALSE;
6767
6768     setup_editor_el_custom              = FALSE;
6769   }
6770   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6771   {
6772     setup_editor_el_players             = FALSE;
6773     setup_editor_el_boulderdash         = FALSE;
6774     setup_editor_el_boulderdash_native  = FALSE;
6775     setup_editor_el_emerald_mine        = FALSE;
6776     setup_editor_el_emerald_mine_club   = FALSE;
6777     setup_editor_el_more                = FALSE;
6778     setup_editor_el_sokoban             = FALSE;
6779     setup_editor_el_diamond_caves       = FALSE;
6780     setup_editor_el_dx_boulderdash      = FALSE;
6781     setup_editor_el_mirror_magic        = FALSE;
6782     setup_editor_el_deflektor           = FALSE;
6783     setup_editor_el_chars               = FALSE;
6784     setup_editor_el_steel_chars         = FALSE;
6785
6786     setup_editor_el_custom              = FALSE;
6787   }
6788   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6789   {
6790     setup_editor_el_players             = FALSE;
6791     setup_editor_el_boulderdash         = FALSE;
6792     setup_editor_el_boulderdash_native  = FALSE;
6793     setup_editor_el_emerald_mine        = FALSE;
6794     setup_editor_el_emerald_mine_club   = FALSE;
6795     setup_editor_el_more                = FALSE;
6796     setup_editor_el_sokoban             = FALSE;
6797     setup_editor_el_supaplex            = FALSE;
6798     setup_editor_el_diamond_caves       = FALSE;
6799     setup_editor_el_dx_boulderdash      = FALSE;
6800     setup_editor_el_steel_chars         = FALSE;
6801
6802     setup_editor_el_custom              = FALSE;
6803   }
6804 }
6805
6806 static void ReinitializeElementList(void)
6807 {
6808   static boolean initialization_needed = TRUE;
6809   int pos = 0;
6810   int i, j;
6811
6812   ReinitializeElementList_EnableSections();
6813
6814   if (initialization_needed)
6815   {
6816     LoadSetup_EditorCascade();          // load last editor cascade state
6817
6818     // initialize editor cascade element from saved cascade state
6819     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6820     {
6821       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6822       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6823
6824       if (IS_EDITOR_CASCADE(*cascade_element))
6825         *cascade_element =
6826           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6827            EL_CASCADE_INACTIVE(*cascade_element));
6828     }
6829
6830     initialization_needed = FALSE;
6831   }
6832
6833   checked_free(editor_elements);
6834
6835   // reload optional user defined element list for each invocation of editor
6836   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6837                                    &num_editor_el_user_defined);
6838
6839   // initialize dynamic level element list for each invocation of editor
6840   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6841                                &num_editor_el_dynamic);
6842
6843   // initialize list of empty elements (used for padding, if needed)
6844   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6845     editor_el_empty[i] = EL_EMPTY;
6846
6847   // do some sanity checks for each element from element list
6848   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6849   {
6850     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6851     {
6852       int element = (*editor_elements_info[i].element_list)[j];
6853
6854       if (element >= NUM_FILE_ELEMENTS)
6855         Warn("editor element %d is runtime element", element);
6856
6857       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6858         Warn("no element description text for element %d", element);
6859     }
6860   }
6861
6862   num_editor_elements = 0;
6863   use_el_empty = FALSE;
6864
6865   // determine size of element list
6866   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6867   {
6868     if (*editor_elements_info[i].setup_value)
6869     {
6870       boolean found_inactive_cascade = FALSE;
6871
6872       if (setup.editor.el_headlines)
6873       {
6874         // required for correct padding of palette headline buttons
6875         if (*editor_elements_info[i].headline_list_size > 0)
6876           num_editor_elements += ED_ELEMENTLIST_COLS;
6877
6878         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6879         {
6880           int element = (*editor_elements_info[i].headline_list)[j];
6881
6882           if (IS_EDITOR_CASCADE_INACTIVE(element))
6883             found_inactive_cascade = TRUE;
6884         }
6885       }
6886
6887       if (found_inactive_cascade)
6888         continue;
6889
6890       // required for correct padding of palette element buttons
6891       int element_list_size = *editor_elements_info[i].element_list_size;
6892       int element_rows =
6893         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6894       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6895
6896       num_editor_elements += element_buttons;
6897     }
6898   }
6899
6900   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6901   {
6902     // offer at least as many elements as element buttons exist
6903     use_el_empty = TRUE;
6904     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6905
6906     num_editor_elements += num_editor_el_empty;
6907   }
6908   else
6909   {
6910     num_editor_el_empty = 0;
6911   }
6912
6913   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6914
6915   // fill element list
6916   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6917   {
6918     boolean found_inactive_cascade = FALSE;
6919
6920     if (*editor_elements_info[i].setup_value)
6921     {
6922       if (setup.editor.el_headlines)
6923       {
6924         // required for correct padding of palette headline buttons
6925         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6926                              ED_ELEMENTLIST_COLS : 0);
6927
6928         for (j = 0; j < headline_size; j++)
6929         {
6930           // use empty elements for padding of palette headline buttons
6931           int element = (j < *editor_elements_info[i].headline_list_size ?
6932                          (*editor_elements_info[i].headline_list)[j] :
6933                          editor_el_empty[0]);
6934
6935           editor_elements[pos++] = element;
6936
6937           if (IS_EDITOR_CASCADE_INACTIVE(element))
6938             found_inactive_cascade = TRUE;
6939         }
6940       }
6941
6942       if (found_inactive_cascade)
6943         continue;
6944
6945       // required for correct padding of palette element buttons
6946       int element_list_size = *editor_elements_info[i].element_list_size;
6947       int element_rows =
6948         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6949       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6950
6951       // copy all elements from element list
6952       for (j = 0; j < element_list_size; j++)
6953         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6954
6955       // use empty elements for padding of palette element buttons
6956       for (j = 0; j < element_buttons - element_list_size; j++)
6957         editor_elements[pos++] = editor_el_empty[0];
6958     }
6959   }
6960
6961   // (this function is also called before editor gadgets are initialized!)
6962   AdjustElementListScrollbar();
6963 }
6964
6965 void PrintEditorElementList(void)
6966 {
6967   boolean *stop = &setup_editor_el_user_defined;
6968   int i, j;
6969
6970   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6971   {
6972     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6973
6974     if (IS_EDITOR_CASCADE(cascade_element))
6975     {
6976       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6977       char *headline = element_info[cascade_element_show].editor_description;
6978
6979       PrintLineWithPrefix("# ", "-", 77);
6980       Print("# %s\n", headline);
6981       PrintLineWithPrefix("# ", "-", 77);
6982     }
6983
6984     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6985     {
6986       int element = (*editor_elements_info[i].headline_list)[j];
6987
6988       if (IS_EDITOR_CASCADE(element))
6989         element = EL_CHAR_MINUS;
6990
6991       Print("# %s\n", element_info[element].token_name);
6992     }
6993
6994     if (j > 0)
6995       Print("#\n");
6996
6997     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6998     {
6999       int element = (*editor_elements_info[i].element_list)[j];
7000
7001       Print("# %s\n", element_info[element].token_name);
7002     }
7003
7004     if (j > 0)
7005       Print("#\n");
7006   }
7007 }
7008
7009 static void ReinitializeElementListButtons(void)
7010 {
7011   static boolean last_setup_value_headlines = FALSE;
7012   static boolean initialization_needed = TRUE;
7013   int i;
7014
7015   if (!initialization_needed)   // check if editor element setup has changed
7016   {
7017     if (last_setup_value_headlines != setup.editor.el_headlines)
7018       initialization_needed = TRUE;
7019
7020     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7021       if (editor_elements_info[i].last_setup_value !=
7022           *editor_elements_info[i].setup_value)
7023         initialization_needed = TRUE;
7024   }
7025
7026   if (!initialization_needed)
7027     return;
7028
7029   FreeLevelEditorGadgets();
7030   CreateLevelEditorGadgets();
7031
7032   // store current setup values for next invocation of this function
7033   last_setup_value_headlines = setup.editor.el_headlines;
7034   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7035     editor_elements_info[i].last_setup_value =
7036       *editor_elements_info[i].setup_value;
7037
7038   initialization_needed = FALSE;
7039 }
7040
7041 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7042                               boolean input)
7043 {
7044   int border_graphic =
7045     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7046   struct GraphicInfo *g = &graphic_info[border_graphic];
7047   Bitmap *src_bitmap = g->bitmap;
7048   int src_x = g->src_x;
7049   int src_y = g->src_y;
7050   int border_size = g->border_size;
7051   int border_xpos = g->width  - border_size;
7052   int border_ypos = g->height - border_size;
7053   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7054   int i;
7055
7056   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7057              border_size, border_size,
7058              dest_x - border_size, dest_y - border_size);
7059   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7060              border_size, border_size,
7061              dest_x + width, dest_y - border_size);
7062   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7063              border_size, border_size,
7064              dest_x - border_size, dest_y + height);
7065   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7066              border_size, border_size,
7067              dest_x + width, dest_y + height);
7068
7069   for (i = 0; i < width / tilesize; i++)
7070   {
7071     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7072                tilesize, border_size,
7073                dest_x + i * tilesize, dest_y - border_size);
7074     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7075                tilesize, border_size,
7076                dest_x + i * tilesize, dest_y + height);
7077   }
7078
7079   for (i = 0; i < height / tilesize; i++)
7080   {
7081     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7082                border_size, tilesize,
7083                dest_x - border_size, dest_y + i * tilesize);
7084     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7085                border_size, tilesize,
7086                dest_x + width, dest_y + i * tilesize);
7087   }
7088
7089   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7090 }
7091
7092 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7093 {
7094   int xsize_tile = MAX(ed_tilesize, xsize);
7095   int ysize_tile = MAX(ed_tilesize, ysize);
7096   int xsize_full = xsize + 1;
7097   int ysize_full = ysize + 1;
7098   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7099   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7100   Pixel line_color = getTabulatorBarColor();
7101
7102   if (line_color == BLACK_PIXEL)                // black => transparent
7103     return;
7104
7105   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7106   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7107   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7108 }
7109
7110 static void DrawEditorLevelBorderLinesIfNeeded(void)
7111 {
7112   int xsize = lev_fieldx * ed_tilesize;
7113   int ysize = lev_fieldy * ed_tilesize;
7114   int line_size = getTabulatorBarHeight();
7115
7116   if (!suppressBorderElement())
7117     return;
7118
7119   // draw little border line around editable level playfield
7120
7121   if (xsize < SXSIZE)
7122     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7123
7124   if (ysize < SYSIZE)
7125     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7126
7127   if (xsize < SXSIZE && ysize < SYSIZE)
7128     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7129 }
7130
7131 static void DrawEditorElement(int x, int y, int element)
7132 {
7133   DrawSizedElement(x, y, element, ed_tilesize);
7134 }
7135
7136 static void DrawEditorElementThruMask(int x, int y, int element)
7137 {
7138   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7139 }
7140
7141 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7142 {
7143   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7144 }
7145
7146 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7147 {
7148   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7149   DrawEditorLevelBorderLinesIfNeeded();
7150 }
7151
7152 static void DrawDrawingArea(int id)
7153 {
7154   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7155   int x, y;
7156
7157   int *value = drawingarea_info[id].value;
7158   int area_xsize = drawingarea_info[id].area_xsize;
7159   int area_ysize = drawingarea_info[id].area_ysize;
7160   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7161
7162   for (x = 0; x < area_xsize; x++)
7163     for (y = 0; y < area_ysize; y++)
7164       DrawSizedGraphicExt(drawto,
7165                           gi->x + x * tilesize,
7166                           gi->y + y * tilesize,
7167                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
7168 }
7169
7170 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7171 {
7172   int x, y;
7173   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7174   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7175
7176   BlitBitmap(drawto, drawto,
7177              SX + (dx == -1 ? ed_tilesize : 0),
7178              SY + (dy == -1 ? ed_tilesize : 0),
7179              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7180              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7181              SX + (dx == +1 ? ed_tilesize : 0),
7182              SY + (dy == +1 ? ed_tilesize : 0));
7183
7184   if (dx)
7185   {
7186     x = (dx == 1 ? 0 : ed_fieldx - 1);
7187     for (y = 0; y < ed_fieldy; y++)
7188       DrawEditorElementOrWall(x, y, from_x, from_y);
7189   }
7190   else if (dy)
7191   {
7192     y = (dy == 1 ? 0 : ed_fieldy - 1);
7193     for (x = 0; x < ed_fieldx; x++)
7194       DrawEditorElementOrWall(x, y, from_x, from_y);
7195   }
7196
7197   redraw_mask |= REDRAW_FIELD;
7198   BackToFront();
7199 }
7200
7201 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7202                                    int *x, int *y)
7203 {
7204   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
7205 }
7206
7207 static void CreateControlButtons(void)
7208 {
7209   struct GadgetInfo *gi;
7210   int i;
7211
7212   // create toolbox buttons
7213   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7214   {
7215     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7216     int id = controlbutton_info[i].gadget_id;
7217     int type = controlbutton_info[i].gadget_type;
7218     int graphic = controlbutton_info[i].graphic;
7219     struct XYTileSize *pos = controlbutton_info[i].pos;
7220     struct GraphicInfo *gd = &graphic_info[graphic];
7221     Bitmap *deco_bitmap = NULL;
7222     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7223     int tile_size = 0, deco_shift = 0;
7224     boolean deco_masked = FALSE;
7225     int gd_x1 = gd->src_x;
7226     int gd_y1 = gd->src_y;
7227     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7228     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7229     int gd_x1a = gd->src_x + gd->active_xoffset;
7230     int gd_y1a = gd->src_y + gd->active_yoffset;
7231     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7232     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7233     int x = pos->x;
7234     int y = pos->y;
7235     unsigned int event_mask;
7236     int radio_button_nr = RADIO_NR_NONE;
7237     boolean checked = FALSE;
7238
7239     if (type_id != i)
7240       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7241
7242     if (type == GD_TYPE_RADIO_BUTTON)
7243     {
7244       event_mask = GD_EVENT_PRESSED;
7245       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7246
7247       if (id == drawing_function)
7248         checked = TRUE;
7249     }
7250     else
7251     {
7252       if (id == GADGET_ID_WRAP_LEFT ||
7253           id == GADGET_ID_WRAP_RIGHT ||
7254           id == GADGET_ID_WRAP_UP ||
7255           id == GADGET_ID_WRAP_DOWN)
7256         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7257       else
7258         event_mask = GD_EVENT_RELEASED;
7259     }
7260
7261     if (id == GADGET_ID_PROPERTIES ||
7262         id == GADGET_ID_PALETTE)
7263     {
7264       x += DX;
7265       y += DY;
7266     }
7267     else if (id == GADGET_ID_ELEMENT_LEFT ||
7268              id == GADGET_ID_ELEMENT_MIDDLE ||
7269              id == GADGET_ID_ELEMENT_RIGHT)
7270     {
7271       x += DX;
7272       y += DY;
7273
7274       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7275                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7276                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7277
7278       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7279                                    editor.button.element_left.tile_size :
7280                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7281                                    editor.button.element_middle.tile_size :
7282                                    id == GADGET_ID_ELEMENT_RIGHT ?
7283                                    editor.button.element_right.tile_size : 0);
7284
7285       // make sure that decoration does not overlap gadget border
7286       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7287
7288       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7289
7290       deco_xpos = (gd->width  - tile_size) / 2;
7291       deco_ypos = (gd->height - tile_size) / 2;
7292       deco_shift = 1;
7293       deco_masked = gd->draw_masked;
7294     }
7295     else
7296     {
7297       x += EX;
7298       y += EY;
7299     }
7300
7301     gi = CreateGadget(GDI_CUSTOM_ID, id,
7302                       GDI_CUSTOM_TYPE_ID, type_id,
7303                       GDI_IMAGE_ID, graphic,
7304                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7305                       GDI_X, x,
7306                       GDI_Y, y,
7307                       GDI_WIDTH, gd->width,
7308                       GDI_HEIGHT, gd->height,
7309                       GDI_TYPE, type,
7310                       GDI_STATE, GD_BUTTON_UNPRESSED,
7311                       GDI_RADIO_NR, radio_button_nr,
7312                       GDI_CHECKED, checked,
7313                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7314                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7315                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7316                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7317                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7318                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7319                       GDI_DECORATION_SIZE, tile_size, tile_size,
7320                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7321                       GDI_DECORATION_MASKED, deco_masked,
7322                       GDI_EVENT_MASK, event_mask,
7323                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7324                       GDI_CALLBACK_ACTION, HandleControlButtons,
7325                       GDI_END);
7326
7327     if (gi == NULL)
7328       Fail("cannot create gadget");
7329
7330     level_editor_gadget[id] = gi;
7331   }
7332
7333   // these values are not constant, but can change at runtime
7334   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7335   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7336   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7337   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7338   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7339   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7340   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7341   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7342   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7343   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7344   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7345   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7346
7347   // create buttons for scrolling of drawing area and element list
7348   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7349   {
7350     int id = scrollbutton_info[i].gadget_id;
7351     int type_id = scrollbutton_info[i].gadget_type_id;
7352     int graphic = scrollbutton_info[i].graphic;
7353     struct GraphicInfo *gd = &graphic_info[graphic];
7354     Bitmap *gd_bitmap = gd->bitmap;
7355     int gd_x1 = gd->src_x;
7356     int gd_y1 = gd->src_y;
7357     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7358     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7359     int width  = gd->width;
7360     int height = gd->height;
7361     int x = scrollbutton_pos[i].x;
7362     int y = scrollbutton_pos[i].y;
7363     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7364
7365     if (type_id != i)
7366       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7367
7368     if (id == GADGET_ID_SCROLL_LIST_UP ||
7369         id == GADGET_ID_SCROLL_LIST_DOWN)
7370     {
7371       x += PX;
7372       y += PY;
7373     }
7374     else
7375     {
7376       x += SX;
7377       y += SY;
7378     }
7379
7380     gi = CreateGadget(GDI_CUSTOM_ID, id,
7381                       GDI_CUSTOM_TYPE_ID, type_id,
7382                       GDI_IMAGE_ID, graphic,
7383                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7384                       GDI_X, x,
7385                       GDI_Y, y,
7386                       GDI_WIDTH, width,
7387                       GDI_HEIGHT, height,
7388                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7389                       GDI_STATE, GD_BUTTON_UNPRESSED,
7390                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7391                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7392                       GDI_EVENT_MASK, event_mask,
7393                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7394                       GDI_CALLBACK_ACTION, HandleControlButtons,
7395                       GDI_END);
7396
7397     if (gi == NULL)
7398       Fail("cannot create gadget");
7399
7400     level_editor_gadget[id] = gi;
7401   }
7402
7403   // create buttons for element list
7404   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7405   {
7406     int type_id = i;
7407     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7408     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7409     struct GraphicInfo *gd = &graphic_info[graphic];
7410     Bitmap *gd_bitmap = gd->bitmap;
7411     Bitmap *deco_bitmap;
7412     int deco_x, deco_y, deco_xpos, deco_ypos;
7413     int gd_x1 = gd->src_x;
7414     int gd_y1 = gd->src_y;
7415     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7416     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7417     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7418     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7419     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7420     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7421     int element = editor_elements[i];
7422     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7423     unsigned int event_mask = GD_EVENT_RELEASED;
7424
7425     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7426
7427     deco_xpos = (gd->width  - tile_size) / 2;
7428     deco_ypos = (gd->height - tile_size) / 2;
7429
7430     gi = CreateGadget(GDI_CUSTOM_ID, id,
7431                       GDI_CUSTOM_TYPE_ID, type_id,
7432                       GDI_IMAGE_ID, graphic,
7433                       GDI_INFO_TEXT, getElementInfoText(element),
7434                       GDI_X, x,
7435                       GDI_Y, y,
7436                       GDI_WIDTH, gd->width,
7437                       GDI_HEIGHT, gd->height,
7438                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7439                       GDI_STATE, GD_BUTTON_UNPRESSED,
7440                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7441                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7442                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7443                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7444                       GDI_DECORATION_SIZE, tile_size, tile_size,
7445                       GDI_DECORATION_SHIFTING, 1, 1,
7446                       GDI_EVENT_MASK, event_mask,
7447                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7448                       GDI_CALLBACK_ACTION, HandleControlButtons,
7449                       GDI_END);
7450
7451     if (gi == NULL)
7452       Fail("cannot create gadget");
7453
7454     level_editor_gadget[id] = gi;
7455   }
7456 }
7457
7458 static void CreateCounterButtons(void)
7459 {
7460   int max_infotext_len = getMaxInfoTextLength();
7461   int i;
7462
7463   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7464   {
7465     int type_id = counterbutton_info[i].gadget_type_id;
7466     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7467     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7468     int j;
7469
7470     if (type_id != i)
7471       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7472
7473     // determine horizontal position to the right of specified gadget
7474     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7475       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7476            ED_GADGET_TEXT_DISTANCE);
7477
7478     // determine horizontal offset for leading text
7479     if (counterbutton_info[i].text_left != NULL)
7480       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7481
7482     for (j = 0; j < 2; j++)
7483     {
7484       struct GadgetInfo *gi;
7485       int id = (j == 0 ?
7486                 counterbutton_info[i].gadget_id_down :
7487                 counterbutton_info[i].gadget_id_up);
7488       int graphic;
7489       struct GraphicInfo *gd;
7490       int gd_x1, gd_x2, gd_y1, gd_y2;
7491       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7492       char infotext[max_infotext_len + 1];
7493
7494       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7495       {
7496         graphic = (j == 0 ?
7497                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7498                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7499
7500         event_mask |= GD_EVENT_RELEASED;
7501
7502         if (j == 0)
7503         {
7504           x = DX + editor.button.prev_level.x;
7505           y = DY + editor.button.prev_level.y;
7506         }
7507         else
7508         {
7509           x = DX + editor.button.next_level.x;
7510           y = DY + editor.button.next_level.y;
7511         }
7512       }
7513       else
7514       {
7515         graphic = (j == 0 ?
7516                    IMG_EDITOR_COUNTER_DOWN :
7517                    IMG_EDITOR_COUNTER_UP);
7518       }
7519
7520       gd = &graphic_info[graphic];
7521
7522       gd_x1 = gd->src_x;
7523       gd_y1 = gd->src_y;
7524       gd_x2 = gd->src_x + gd->pressed_xoffset;
7525       gd_y2 = gd->src_y + gd->pressed_yoffset;
7526
7527       sprintf(infotext, "%s counter value by 1, 5 or 10",
7528               (j == 0 ? "Decrease" : "Increase"));
7529
7530       gi = CreateGadget(GDI_CUSTOM_ID, id,
7531                         GDI_CUSTOM_TYPE_ID, type_id,
7532                         GDI_IMAGE_ID, graphic,
7533                         GDI_INFO_TEXT, infotext,
7534                         GDI_X, x,
7535                         GDI_Y, y,
7536                         GDI_WIDTH, gd->width,
7537                         GDI_HEIGHT, gd->height,
7538                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7539                         GDI_STATE, GD_BUTTON_UNPRESSED,
7540                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7541                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7542                         GDI_EVENT_MASK, event_mask,
7543                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7544                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7545                         GDI_END);
7546
7547       if (gi == NULL)
7548         Fail("cannot create gadget");
7549
7550       level_editor_gadget[id] = gi;
7551       right_gadget_border[id] =
7552         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7553
7554       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7555
7556       if (j == 0)
7557       {
7558         int font_type = FONT_INPUT_1;
7559         int font_type_active = FONT_INPUT_1_ACTIVE;
7560
7561         id = counterbutton_info[i].gadget_id_text;
7562
7563         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7564
7565         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7566         {
7567           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7568
7569           font_type = FONT_LEVEL_NUMBER;
7570           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7571
7572           x = DX + editor.input.level_number.x;
7573           y = DY + editor.input.level_number.y;
7574         }
7575         else
7576         {
7577           graphic = IMG_EDITOR_COUNTER_INPUT;
7578         }
7579
7580         gd = &graphic_info[graphic];
7581
7582         gd_x1 = gd->src_x;
7583         gd_y1 = gd->src_y;
7584         gd_x2 = gd->src_x + gd->active_xoffset;
7585         gd_y2 = gd->src_y + gd->active_yoffset;
7586
7587         gi = CreateGadget(GDI_CUSTOM_ID, id,
7588                           GDI_CUSTOM_TYPE_ID, type_id,
7589                           GDI_IMAGE_ID, graphic,
7590                           GDI_INFO_TEXT, "Enter counter value",
7591                           GDI_X, x,
7592                           GDI_Y, y,
7593                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7594                           GDI_NUMBER_VALUE, 0,
7595                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7596                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7597                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7598                           GDI_TEXT_FONT, font_type,
7599                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7600                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7601                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7602                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7603                           GDI_DESIGN_WIDTH, gd->width,
7604                           GDI_EVENT_MASK, event_mask,
7605                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7606                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7607                           GDI_END);
7608
7609         if (gi == NULL)
7610           Fail("cannot create gadget");
7611
7612         level_editor_gadget[id] = gi;
7613         right_gadget_border[id] =
7614           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7615
7616         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7617       }
7618     }
7619   }
7620 }
7621
7622 static void CreateDrawingAreas(void)
7623 {
7624   int i;
7625
7626   // these values are not constant, but can change at runtime
7627   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7628   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7629
7630   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7631   {
7632     struct GadgetInfo *gi;
7633     int id = drawingarea_info[i].gadget_id;
7634     int type_id = drawingarea_info[i].gadget_type_id;
7635     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7636     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7637     int area_xsize = drawingarea_info[i].area_xsize;
7638     int area_ysize = drawingarea_info[i].area_ysize;
7639     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7640                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7641     unsigned int event_mask =
7642       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7643       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7644
7645     if (type_id != i)
7646       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7647
7648     // determine horizontal position to the right of specified gadget
7649     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7650       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7651            ED_DRAWINGAREA_TEXT_DISTANCE);
7652
7653     // determine horizontal offset for leading text
7654     if (drawingarea_info[i].text_left != NULL)
7655       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7656
7657     gi = CreateGadget(GDI_CUSTOM_ID, id,
7658                       GDI_CUSTOM_TYPE_ID, type_id,
7659                       GDI_X, x,
7660                       GDI_Y, y,
7661                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7662                       GDI_AREA_SIZE, area_xsize, area_ysize,
7663                       GDI_ITEM_SIZE, item_size, item_size,
7664                       GDI_EVENT_MASK, event_mask,
7665                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7666                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7667                       GDI_END);
7668
7669     if (gi == NULL)
7670       Fail("cannot create gadget");
7671
7672     level_editor_gadget[id] = gi;
7673     right_gadget_border[id] =
7674       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7675   }
7676 }
7677
7678 static void CreateTextInputGadgets(void)
7679 {
7680   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7681   int max_infotext_len = getMaxInfoTextLength();
7682   int i;
7683
7684   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7685   {
7686     int gd_x1 = gd->src_x;
7687     int gd_y1 = gd->src_y;
7688     int gd_x2 = gd->src_x + gd->active_xoffset;
7689     int gd_y2 = gd->src_y + gd->active_yoffset;
7690     struct GadgetInfo *gi;
7691     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7692     char infotext[MAX_OUTPUT_LINESIZE + 1];
7693     int id = textinput_info[i].gadget_id;
7694     int type_id = textinput_info[i].gadget_type_id;
7695     int x, y;
7696
7697     if (type_id != i)
7698       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7699
7700     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7701     {
7702       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7703       int border_size = gd->border_size;
7704       int font_nr = FONT_INPUT_1;
7705       int font_height = getFontHeight(font_nr);
7706       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7707       int yoffset = element_border + (TILEY - font_height) / 2;
7708
7709       x = (editor.settings.element_name.x != -1 ?
7710            editor.settings.element_name.x :
7711            editor.settings.element_graphic.x + xoffset) - border_size;
7712       y = (editor.settings.element_name.y != -1 ?
7713            editor.settings.element_name.y :
7714            editor.settings.element_graphic.y + yoffset) - border_size;
7715     }
7716     else
7717     {
7718       x = ED_SETTINGS_X(textinput_info[i].x);
7719       y = ED_SETTINGS_Y(textinput_info[i].y);
7720     }
7721
7722     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7723     infotext[max_infotext_len] = '\0';
7724
7725     gi = CreateGadget(GDI_CUSTOM_ID, id,
7726                       GDI_CUSTOM_TYPE_ID, type_id,
7727                       GDI_INFO_TEXT, infotext,
7728                       GDI_X, SX + x,
7729                       GDI_Y, SY + y,
7730                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7731                       GDI_TEXT_VALUE, textinput_info[i].value,
7732                       GDI_TEXT_SIZE, textinput_info[i].size,
7733                       GDI_TEXT_FONT, FONT_INPUT_1,
7734                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7735                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7736                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7737                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7738                       GDI_DESIGN_WIDTH, gd->width,
7739                       GDI_EVENT_MASK, event_mask,
7740                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7741                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7742                       GDI_END);
7743
7744     if (gi == NULL)
7745       Fail("cannot create gadget");
7746
7747     level_editor_gadget[id] = gi;
7748   }
7749 }
7750
7751 static void CreateTextAreaGadgets(void)
7752 {
7753   int max_infotext_len = getMaxInfoTextLength();
7754   int i;
7755
7756   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7757   {
7758     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7759     int gd_x1 = gd->src_x;
7760     int gd_y1 = gd->src_y;
7761     int gd_x2 = gd->src_x + gd->active_xoffset;
7762     int gd_y2 = gd->src_y + gd->active_yoffset;
7763     struct GadgetInfo *gi;
7764     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7765     char infotext[MAX_OUTPUT_LINESIZE + 1];
7766     int id = textarea_info[i].gadget_id;
7767     int type_id = textarea_info[i].gadget_type_id;
7768     int area_xsize = textarea_info[i].xsize;
7769     int area_ysize = textarea_info[i].ysize;
7770
7771     if (type_id != i)
7772       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7773
7774     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7775     infotext[max_infotext_len] = '\0';
7776
7777     gi = CreateGadget(GDI_CUSTOM_ID, id,
7778                       GDI_CUSTOM_TYPE_ID, type_id,
7779                       GDI_INFO_TEXT, infotext,
7780                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7781                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7782                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7783                       GDI_AREA_SIZE, area_xsize, area_ysize,
7784                       GDI_TEXT_FONT, FONT_INPUT_1,
7785                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7786                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7787                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7788                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7789                       GDI_DESIGN_WIDTH, gd->width,
7790                       GDI_EVENT_MASK, event_mask,
7791                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7792                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7793                       GDI_END);
7794
7795     if (gi == NULL)
7796       Fail("cannot create gadget");
7797
7798     level_editor_gadget[id] = gi;
7799   }
7800 }
7801
7802 static void CreateSelectboxGadgets(void)
7803 {
7804   int max_infotext_len = getMaxInfoTextLength();
7805
7806   int i, j;
7807
7808   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7809   {
7810     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7811     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7812     int gd_x1 = gd->src_x;
7813     int gd_y1 = gd->src_y;
7814     int gd_x2 = gd->src_x + gd->active_xoffset;
7815     int gd_y2 = gd->src_y + gd->active_yoffset;
7816     int selectbox_button_xsize = gd2->width;
7817     struct GadgetInfo *gi;
7818     char infotext[MAX_OUTPUT_LINESIZE + 1];
7819     int id = selectbox_info[i].gadget_id;
7820     int type_id = selectbox_info[i].gadget_type_id;
7821     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7822     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7823     unsigned int event_mask =
7824       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7825
7826     if (type_id != i)
7827       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7828
7829     if (selectbox_info[i].size == -1)   // dynamically determine size
7830     {
7831       // (we cannot use -1 for uninitialized values if we directly compare
7832       // with results from strlen(), because the '<' and '>' operation will
7833       // implicitely cast -1 to an unsigned integer value!)
7834       selectbox_info[i].size = 0;
7835
7836       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7837         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7838           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7839
7840       selectbox_info[i].size++;         // add one character empty space
7841     }
7842
7843     // determine horizontal position to the right of specified gadget
7844     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7845       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7846            ED_GADGET_TEXT_DISTANCE);
7847
7848     // determine horizontal offset for leading text
7849     if (selectbox_info[i].text_left != NULL)
7850       x += getTextWidthForGadget(selectbox_info[i].text_left);
7851
7852     sprintf(infotext, "%s", selectbox_info[i].infotext);
7853     infotext[max_infotext_len] = '\0';
7854
7855     gi = CreateGadget(GDI_CUSTOM_ID, id,
7856                       GDI_CUSTOM_TYPE_ID, type_id,
7857                       GDI_INFO_TEXT, infotext,
7858                       GDI_X, x,
7859                       GDI_Y, y,
7860                       GDI_TYPE, GD_TYPE_SELECTBOX,
7861                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7862                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7863                       GDI_TEXT_SIZE, selectbox_info[i].size,
7864                       GDI_TEXT_FONT, FONT_INPUT_1,
7865                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7866                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7867                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7868                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7869                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7870                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7871                       GDI_DESIGN_WIDTH, gd->width,
7872                       GDI_EVENT_MASK, event_mask,
7873                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7874                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7875                       GDI_END);
7876
7877     if (gi == NULL)
7878       Fail("cannot create gadget");
7879
7880     level_editor_gadget[id] = gi;
7881     right_gadget_border[id] =
7882       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7883   }
7884 }
7885
7886 static void CreateTextbuttonGadgets(void)
7887 {
7888   int max_infotext_len = getMaxInfoTextLength();
7889   int i;
7890
7891   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7892   {
7893     int id = textbutton_info[i].gadget_id;
7894     int type_id = textbutton_info[i].gadget_type_id;
7895     int is_tab_button =
7896       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7897        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7898     int graphic =
7899       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7900     int gadget_distance =
7901       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7902     struct GraphicInfo *gd = &graphic_info[graphic];
7903     int gd_x1 = gd->src_x;
7904     int gd_y1 = gd->src_y;
7905     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7906     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7907     int gd_x1a = gd->src_x + gd->active_xoffset;
7908     int gd_y1a = gd->src_y + gd->active_yoffset;
7909     int border_xsize = gd->border_size + gd->draw_xoffset;
7910     int border_ysize = gd->border_size;
7911     struct GadgetInfo *gi;
7912     unsigned int event_mask = GD_EVENT_RELEASED;
7913     char infotext[MAX_OUTPUT_LINESIZE + 1];
7914     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7915     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7916
7917     if (type_id != i)
7918       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7919
7920     if (textbutton_info[i].size == -1)  // dynamically determine size
7921       textbutton_info[i].size = strlen(textbutton_info[i].text);
7922
7923     sprintf(infotext, "%s", textbutton_info[i].infotext);
7924     infotext[max_infotext_len] = '\0';
7925
7926     // determine horizontal position to the right of specified gadget
7927     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7928     {
7929       int gadget_id_align = textbutton_info[i].gadget_id_align;
7930
7931       x = right_gadget_border[gadget_id_align] + gadget_distance;
7932
7933       if (textbutton_info[i].y == -1)
7934         y = level_editor_gadget[gadget_id_align]->y;
7935     }
7936
7937     // determine horizontal offset for leading text
7938     if (textbutton_info[i].text_left != NULL)
7939       x += getTextWidthForGadget(textbutton_info[i].text_left);
7940
7941     gi = CreateGadget(GDI_CUSTOM_ID, id,
7942                       GDI_CUSTOM_TYPE_ID, type_id,
7943                       GDI_IMAGE_ID, graphic,
7944                       GDI_INFO_TEXT, infotext,
7945                       GDI_X, x,
7946                       GDI_Y, y,
7947                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7948                       GDI_TEXT_VALUE, textbutton_info[i].text,
7949                       GDI_TEXT_SIZE, textbutton_info[i].size,
7950                       GDI_TEXT_FONT, FONT_INPUT_2,
7951                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7952                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7953                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7954                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7955                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7956                       GDI_DESIGN_WIDTH, gd->width,
7957                       GDI_DECORATION_SHIFTING, 1, 1,
7958                       GDI_EVENT_MASK, event_mask,
7959                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7960                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7961                       GDI_END);
7962
7963     if (gi == NULL)
7964       Fail("cannot create gadget");
7965
7966     level_editor_gadget[id] = gi;
7967     right_gadget_border[id] =
7968       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7969   }
7970 }
7971
7972 static void CreateGraphicbuttonGadgets(void)
7973 {
7974   struct GadgetInfo *gi;
7975   int i;
7976
7977   // create buttons for scrolling of drawing area and element list
7978   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7979   {
7980     int id = graphicbutton_info[i].gadget_id;
7981     int type_id = graphicbutton_info[i].gadget_type_id;
7982     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7983     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7984     int graphic = graphicbutton_info[i].graphic;
7985     struct GraphicInfo *gd = &graphic_info[graphic];
7986     int gd_x1 = gd->src_x;
7987     int gd_y1 = gd->src_y;
7988     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7989     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7990     unsigned int event_mask = GD_EVENT_RELEASED;
7991
7992     if (type_id != i)
7993       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7994
7995     // determine horizontal position to the right of specified gadget
7996     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7997       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7998            ED_GADGET_TEXT_DISTANCE);
7999
8000     // determine horizontal offset for leading text
8001     if (graphicbutton_info[i].text_left != NULL)
8002       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8003
8004     gi = CreateGadget(GDI_CUSTOM_ID, id,
8005                       GDI_CUSTOM_TYPE_ID, type_id,
8006                       GDI_IMAGE_ID, graphic,
8007                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8008                       GDI_X, x,
8009                       GDI_Y, y,
8010                       GDI_WIDTH, gd->width,
8011                       GDI_HEIGHT, gd->height,
8012                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8013                       GDI_STATE, GD_BUTTON_UNPRESSED,
8014                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8015                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8016                       GDI_EVENT_MASK, event_mask,
8017                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8018                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8019                       GDI_END);
8020
8021     if (gi == NULL)
8022       Fail("cannot create gadget");
8023
8024     level_editor_gadget[id] = gi;
8025     right_gadget_border[id] =
8026       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8027   }
8028 }
8029
8030 static void CreateScrollbarGadgets(void)
8031 {
8032   int i;
8033
8034   // these values are not constant, but can change at runtime
8035   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8036     SX + ED_SCROLL_HORIZONTAL_XPOS;
8037   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8038     SY + ED_SCROLL_HORIZONTAL_YPOS;
8039   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8040     ED_SCROLL_HORIZONTAL_XSIZE;
8041   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8042     ED_SCROLL_HORIZONTAL_YSIZE;
8043   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8044   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8045   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8046   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8047
8048   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8049     SX + ED_SCROLL_VERTICAL_XPOS;
8050   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8051     SY + ED_SCROLL_VERTICAL_YPOS;
8052   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8053     ED_SCROLL_VERTICAL_XSIZE;
8054   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8055     ED_SCROLL_VERTICAL_YSIZE;
8056   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8057   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8058   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8059   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8060
8061   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8062     PX + ED_SCROLL2_VERTICAL_XPOS;
8063   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8064     PY + ED_SCROLL2_VERTICAL_YPOS;
8065   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8066     ED_SCROLL2_VERTICAL_XSIZE;
8067   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8068     ED_SCROLL2_VERTICAL_YSIZE;
8069   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8070   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8071   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8072   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8073
8074   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8075   {
8076     int id = scrollbar_info[i].gadget_id;
8077     int type_id = scrollbar_info[i].gadget_type_id;
8078     int graphic = scrollbar_info[i].graphic;
8079     struct GraphicInfo *gd = &graphic_info[graphic];
8080     int gd_x1 = gd->src_x;
8081     int gd_y1 = gd->src_y;
8082     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8083     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8084     struct GadgetInfo *gi;
8085     int items_max, items_visible, item_position;
8086     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8087
8088     if (type_id != i)
8089       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8090
8091     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8092     {
8093       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8094       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8095       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8096     }
8097     else        // drawing area scrollbars
8098     {
8099       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8100       {
8101         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8102         items_visible = ed_fieldx;
8103         item_position = 0;
8104       }
8105       else
8106       {
8107         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8108         items_visible = ed_fieldy;
8109         item_position = 0;
8110       }
8111     }
8112
8113     gi = CreateGadget(GDI_CUSTOM_ID, id,
8114                       GDI_CUSTOM_TYPE_ID, type_id,
8115                       GDI_IMAGE_ID, graphic,
8116                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8117                       GDI_X, scrollbar_pos[i].x,
8118                       GDI_Y, scrollbar_pos[i].y,
8119                       GDI_WIDTH, scrollbar_pos[i].width,
8120                       GDI_HEIGHT, scrollbar_pos[i].height,
8121                       GDI_TYPE, scrollbar_info[i].type,
8122                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8123                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8124                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8125                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8126                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8127                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8128                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8129                       GDI_STATE, GD_BUTTON_UNPRESSED,
8130                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8131                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8132                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8133                       GDI_EVENT_MASK, event_mask,
8134                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8135                       GDI_CALLBACK_ACTION, HandleControlButtons,
8136                       GDI_END);
8137
8138     if (gi == NULL)
8139       Fail("cannot create gadget");
8140
8141     level_editor_gadget[id] = gi;
8142   }
8143 }
8144
8145 static void CreateCheckbuttonGadgets(void)
8146 {
8147   struct GadgetInfo *gi;
8148   int i;
8149
8150   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8151   {
8152     int id = checkbutton_info[i].gadget_id;
8153     int type_id = checkbutton_info[i].gadget_type_id;
8154     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8155                    IMG_EDITOR_CHECKBOX);
8156     struct GraphicInfo *gd = &graphic_info[graphic];
8157     int gd_x1 = gd->src_x;
8158     int gd_y1 = gd->src_y;
8159     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8160     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8161     int gd_x1a = gd->src_x + gd->active_xoffset;
8162     int gd_y1a = gd->src_y + gd->active_yoffset;
8163     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8164     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8165     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8166     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8167     unsigned int event_mask = GD_EVENT_PRESSED;
8168
8169     if (type_id != i)
8170       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8171
8172     // determine horizontal position to the right of specified gadget
8173     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8174       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8175            ED_GADGET_TEXT_DISTANCE);
8176
8177     // determine horizontal offset for leading text
8178     if (checkbutton_info[i].text_left != NULL)
8179       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8180
8181     gi = CreateGadget(GDI_CUSTOM_ID, id,
8182                       GDI_CUSTOM_TYPE_ID, type_id,
8183                       GDI_IMAGE_ID, graphic,
8184                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8185                       GDI_X, x,
8186                       GDI_Y, y,
8187                       GDI_WIDTH, gd->width,
8188                       GDI_HEIGHT, gd->height,
8189                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8190                       GDI_CHECKED, *checkbutton_info[i].value,
8191                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8192                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8193                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8194                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8195                       GDI_EVENT_MASK, event_mask,
8196                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8197                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8198                       GDI_END);
8199
8200     if (gi == NULL)
8201       Fail("cannot create gadget");
8202
8203     level_editor_gadget[id] = gi;
8204     right_gadget_border[id] =
8205       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8206   }
8207 }
8208
8209 static void CreateRadiobuttonGadgets(void)
8210 {
8211   int graphic = IMG_EDITOR_RADIOBUTTON;
8212   struct GraphicInfo *gd = &graphic_info[graphic];
8213   int gd_x1 = gd->src_x;
8214   int gd_y1 = gd->src_y;
8215   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8216   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8217   int gd_x1a = gd->src_x + gd->active_xoffset;
8218   int gd_y1a = gd->src_y + gd->active_yoffset;
8219   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8220   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8221   struct GadgetInfo *gi;
8222   int i;
8223
8224   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8225   {
8226     int id = radiobutton_info[i].gadget_id;
8227     int type_id = radiobutton_info[i].gadget_type_id;
8228     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8229     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8230     unsigned int event_mask = GD_EVENT_PRESSED;
8231
8232     if (type_id != i)
8233       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8234
8235     int checked =
8236       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8237
8238     // determine horizontal position to the right of specified gadget
8239     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8240       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8241            ED_GADGET_TEXT_DISTANCE);
8242
8243     // determine horizontal offset for leading text
8244     if (radiobutton_info[i].text_left != NULL)
8245       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8246
8247     gi = CreateGadget(GDI_CUSTOM_ID, id,
8248                       GDI_CUSTOM_TYPE_ID, type_id,
8249                       GDI_IMAGE_ID, graphic,
8250                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8251                       GDI_X, x,
8252                       GDI_Y, y,
8253                       GDI_WIDTH, gd->width,
8254                       GDI_HEIGHT, gd->height,
8255                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8256                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8257                       GDI_CHECKED, checked,
8258                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8259                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8260                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8261                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8262                       GDI_EVENT_MASK, event_mask,
8263                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8264                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8265                       GDI_END);
8266
8267     if (gi == NULL)
8268       Fail("cannot create gadget");
8269
8270     level_editor_gadget[id] = gi;
8271     right_gadget_border[id] =
8272       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8273   }
8274 }
8275
8276 void CreateLevelEditorGadgets(void)
8277 {
8278   // force EDITOR font inside level editor
8279   SetFontStatus(GAME_MODE_EDITOR);
8280
8281   // these values are not constant, but can change at runtime
8282   ed_fieldx = MAX_ED_FIELDX - 1;
8283   ed_fieldy = MAX_ED_FIELDY - 1;
8284
8285   num_editor_gadgets = NUM_EDITOR_GADGETS;
8286
8287   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8288
8289   level_editor_gadget =
8290     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8291   right_gadget_border =
8292     checked_calloc(num_editor_gadgets * sizeof(int));
8293
8294   // set number of empty (padding) element buttons to maximum number of buttons
8295   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8296
8297   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8298   editor_el_empty_ptr = editor_el_empty;
8299
8300   use_permanent_palette = !editor.palette.show_as_separate_screen;
8301
8302   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8303
8304   ReinitializeElementList();
8305
8306   CreateControlButtons();
8307   CreateScrollbarGadgets();
8308
8309   // order of function calls is important because of cross-references
8310   CreateCheckbuttonGadgets();
8311   CreateCounterButtons();
8312   CreateRadiobuttonGadgets();
8313   CreateTextInputGadgets();
8314   CreateTextAreaGadgets();
8315   CreateSelectboxGadgets();
8316   CreateGraphicbuttonGadgets();
8317   CreateTextbuttonGadgets();
8318   CreateDrawingAreas();
8319
8320   ResetFontStatus();
8321 }
8322
8323 void FreeLevelEditorGadgets(void)
8324 {
8325   int i;
8326
8327   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8328
8329   for (i = 0; i < num_editor_gadgets; i++)
8330   {
8331     FreeGadget(level_editor_gadget[i]);
8332
8333     level_editor_gadget[i] = NULL;
8334   }
8335
8336   checked_free(level_editor_gadget);
8337   checked_free(right_gadget_border);
8338
8339   checked_free(editor_el_empty);
8340 }
8341
8342 static void MapCounterButtons(int id)
8343 {
8344   int font_nr = FONT_TEXT_1;
8345   int font_height = getFontHeight(font_nr);
8346   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8347   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8348   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8349   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8350   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8351   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8352   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8353   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8354   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8355   int yoffset = (gi_down->height - font_height) / 2;
8356   int x_left = gi_down->x - xoffset_left;
8357   int x_right;  // set after gadget position was modified
8358   int y_above = gi_down->y - yoffset_above;
8359   int x = gi_down->x;
8360   int y;        // set after gadget position was modified
8361
8362   // counter limits must be changed first to prevent value truncation
8363   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8364                             counterbutton_info[id].max_value);
8365
8366   // right text position might have changed after setting position above
8367   x_right = gi_up->x + gi_up->width + xoffset_right;
8368
8369   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8370
8371   // set position for counter gadgets with dynamically determined position
8372   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8373   {
8374     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8375     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8376     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8377   }
8378
8379   // vertical position might have changed after setting position above
8380   y = gi_up->y + yoffset;
8381
8382   if (counterbutton_info[id].text_above)
8383     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8384
8385   if (counterbutton_info[id].text_left)
8386     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8387
8388   if (counterbutton_info[id].text_right)
8389     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8390
8391   MapGadget(gi_down);
8392   MapGadget(gi_text);
8393   MapGadget(gi_up);
8394 }
8395
8396 static void MapControlButtons(void)
8397 {
8398   int counter_id;
8399   int i;
8400
8401   // map toolbox buttons (excluding special CE toolbox buttons)
8402   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8403     MapGadget(level_editor_gadget[i]);
8404
8405   // map toolbox buttons (element properties buttons)
8406   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8407     MapGadget(level_editor_gadget[i]);
8408
8409   if (use_permanent_palette)
8410   {
8411     // map buttons to select elements
8412     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8413       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8414     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8415     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8416     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8417   }
8418
8419   // map buttons to select level
8420   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8421   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8422   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8423   MapCounterButtons(counter_id);
8424 }
8425
8426 static void MapDrawingArea(int id)
8427 {
8428   int font_nr = FONT_TEXT_1;
8429   int font_height = getFontHeight(font_nr);
8430   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8431   int area_xsize = gi->drawing.area_xsize;
8432   int area_ysize = gi->drawing.area_ysize;
8433   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8434   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8435   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8436   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8437   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8438   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8439   int y_side  = gi->y + (gi->height - font_height) / 2;
8440   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8441   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8442
8443   if (drawingarea_info[id].text_left)
8444     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8445
8446   if (drawingarea_info[id].text_right)
8447     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8448
8449   if (drawingarea_info[id].text_above)
8450     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8451
8452   if (drawingarea_info[id].text_below)
8453     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8454
8455   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8456   {
8457     DrawElementBorder(gi->x, gi->y,
8458                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8459                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8460
8461     DrawDrawingArea(id);
8462   }
8463
8464   MapGadget(gi);
8465 }
8466
8467 static void MapTextInputGadget(int id)
8468 {
8469   int font_nr = FONT_TEXT_1;
8470   int font_height = getFontHeight(font_nr);
8471   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8472   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8473   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8474   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8475
8476   if (textinput_info[id].text_above)
8477     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8478
8479   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8480
8481   MapGadget(gi);
8482 }
8483
8484 static void MapTextAreaGadget(int id)
8485 {
8486   int font_nr = FONT_TEXT_1;
8487   int font_height = getFontHeight(font_nr);
8488   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8489   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8490   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8491   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8492   char *text_above = textarea_info[id].text_above;
8493
8494   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8495     text_above = textarea_info[id].text_above_cropped;
8496
8497   if (text_above)
8498     DrawTextS(x_above, y_above, font_nr, text_above);
8499
8500   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8501
8502   MapGadget(gi);
8503 }
8504
8505 static void MapSelectboxGadget(int id)
8506 {
8507   int font_nr = FONT_TEXT_1;
8508   int font_height = getFontHeight(font_nr);
8509   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8510   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8511   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8512   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8513   int yoffset = (gi->height - font_height) / 2;
8514   int x_left = gi->x - xoffset_left;
8515   int x_right = gi->x + gi->width + xoffset_right;
8516   int y_above = gi->y - yoffset_above;
8517   int x = gi->x;
8518   int y = gi->y + yoffset;
8519
8520   if (selectbox_info[id].text_above)
8521     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8522
8523   if (selectbox_info[id].text_left)
8524     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8525
8526   if (selectbox_info[id].text_right)
8527     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8528
8529   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8530
8531   MapGadget(gi);
8532 }
8533
8534 static void MapTextbuttonGadget(int id)
8535 {
8536   int font_nr = FONT_TEXT_1;
8537   int font_height = getFontHeight(font_nr);
8538   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8539   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8540   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8541   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8542   int yoffset = (gi->height - font_height) / 2;
8543   int x_left = gi->x - xoffset_left;
8544   int x_right = gi->x + gi->width + xoffset_right;
8545   int y_above = gi->y - yoffset_above;
8546   int x = gi->x;
8547   int y = gi->y + yoffset;
8548
8549   // only show button to delete change pages when more than minimum pages
8550   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8551       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8552     return;
8553
8554   if (textbutton_info[id].text_above)
8555     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8556
8557   if (textbutton_info[id].text_left)
8558     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8559
8560   if (textbutton_info[id].text_right)
8561     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8562
8563   MapGadget(gi);
8564 }
8565
8566 static void MapGraphicbuttonGadget(int id)
8567 {
8568   int font_nr = FONT_TEXT_1;
8569   int font_height = getFontHeight(font_nr);
8570   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8571   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8572   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8573   int yoffset = (gi->height - font_height) / 2;
8574   int x_left = gi->x - xoffset_left;
8575   int x_right = gi->x + gi->width + xoffset_right;
8576   int y = gi->y + yoffset;
8577
8578   if (graphicbutton_info[id].text_left)
8579     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8580
8581   if (graphicbutton_info[id].text_right)
8582     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8583
8584   MapGadget(gi);
8585 }
8586
8587 static void MapRadiobuttonGadget(int id)
8588 {
8589   int font_nr = FONT_TEXT_1;
8590   int font_height = getFontHeight(font_nr);
8591   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8592   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8593   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8594   int yoffset = (gi->height - font_height) / 2;
8595   int x_left = gi->x - xoffset_left;
8596   int x_right = gi->x + gi->width + xoffset_right;
8597   int y = gi->y + yoffset;
8598   boolean checked =
8599     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8600
8601   if (radiobutton_info[id].text_left)
8602     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8603
8604   if (radiobutton_info[id].text_right)
8605     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8606
8607   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8608
8609   MapGadget(gi);
8610 }
8611
8612 static void MapCheckbuttonGadget(int id)
8613 {
8614   int font_nr = FONT_TEXT_1;
8615   int font_height = getFontHeight(font_nr);
8616   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8617   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8618   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8619   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8620   int yoffset = (gi->height - font_height) / 2;
8621   int y_above = gi->y - yoffset_above;
8622   int x = gi->x;
8623   int x_left, x_right, y;       // set after gadget position was modified
8624
8625   // set position for gadgets with dynamically determined position
8626   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8627     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8628   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8629
8630   x_left = gi->x - xoffset_left;
8631   x_right = gi->x + gi->width + xoffset_right;
8632   y = gi->y + yoffset;
8633
8634   if (checkbutton_info[id].text_above)
8635     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8636
8637   if (checkbutton_info[id].text_left)
8638     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8639
8640   if (checkbutton_info[id].text_right)
8641     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8642
8643   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8644
8645   MapGadget(gi);
8646 }
8647
8648 static void MapMainDrawingArea(void)
8649 {
8650   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8651   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8652   int i;
8653
8654   if (suppressBorderElement())
8655   {
8656     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8657     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8658   }
8659
8660   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8661   {
8662     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8663           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8664          no_horizontal_scrollbar) ||
8665         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8666           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8667          no_vertical_scrollbar))
8668       continue;
8669
8670     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8671   }
8672
8673   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8674   {
8675     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8676         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8677       continue;
8678
8679     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8680   }
8681
8682   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8683 }
8684
8685 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8686 {
8687   int i;
8688
8689   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8690   {
8691     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8692         i == GADGET_ID_CUSTOM_COPY_TO ||
8693         i == GADGET_ID_CUSTOM_EXCHANGE ||
8694         i == GADGET_ID_CUSTOM_COPY ||
8695         i == GADGET_ID_CUSTOM_PASTE)
8696     {
8697       if (map)
8698         MapGadget(level_editor_gadget[i]);
8699       else
8700         UnmapGadget(level_editor_gadget[i]);
8701     }
8702   }
8703 }
8704
8705 static void MapLevelEditorToolboxCustomGadgets(void)
8706 {
8707   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8708 }
8709
8710 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8711 {
8712   if (IS_CUSTOM_ELEMENT(properties_element) ||
8713       IS_GROUP_ELEMENT(properties_element) ||
8714       IS_EMPTY_ELEMENT(properties_element))
8715     MapLevelEditorToolboxCustomGadgets();
8716 }
8717
8718 static void UnmapLevelEditorToolboxCustomGadgets(void)
8719 {
8720   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8721 }
8722
8723 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8724 {
8725   int i;
8726
8727   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8728   {
8729     if (i != GADGET_ID_SINGLE_ITEMS &&
8730         i != GADGET_ID_PICK_ELEMENT)
8731     {
8732       struct GadgetInfo *gi = level_editor_gadget[i];
8733
8734       if (map)
8735       {
8736         MapGadget(gi);
8737       }
8738       else
8739       {
8740         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8741         struct GraphicInfo *gd = &graphic_info[graphic];
8742
8743         UnmapGadget(gi);
8744
8745         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8746                    gi->width, gi->height, gi->x, gi->y);
8747
8748         redraw_mask |= REDRAW_DOOR_3;
8749       }
8750     }
8751   }
8752 }
8753
8754 static void MapLevelEditorToolboxDrawingGadgets(void)
8755 {
8756   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8757 }
8758
8759 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8760 {
8761   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8762 }
8763
8764 static void UnmapDrawingArea(int id)
8765 {
8766   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8767 }
8768
8769 static void UnmapLevelEditorFieldGadgets(void)
8770 {
8771   int i;
8772
8773   for (i = 0; i < num_editor_gadgets; i++)
8774     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8775                           level_editor_gadget[i]->y))
8776       UnmapGadget(level_editor_gadget[i]);
8777 }
8778
8779 void UnmapLevelEditorGadgets(void)
8780 {
8781   int i;
8782
8783   for (i = 0; i < num_editor_gadgets; i++)
8784     UnmapGadget(level_editor_gadget[i]);
8785 }
8786
8787 static void ResetUndoBuffer(void)
8788 {
8789   undo_buffer_position = -1;
8790   undo_buffer_steps = -1;
8791   redo_buffer_steps = 0;
8792
8793   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8794
8795   level.changed = FALSE;
8796 }
8797
8798 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8799 {
8800   if (remap_toolbox_gadgets)
8801   {
8802     ModifyEditorElementList();
8803     RedrawDrawingElements();
8804   }
8805
8806   if (edit_mode == ED_MODE_LEVELCONFIG)
8807     DrawLevelConfigWindow();
8808   else if (edit_mode == ED_MODE_PROPERTIES)
8809     DrawPropertiesWindow();
8810   else if (edit_mode == ED_MODE_PALETTE)
8811     DrawPaletteWindow();
8812   else  // edit_mode == ED_MODE_DRAWING
8813     DrawDrawingWindowExt(remap_toolbox_gadgets);
8814 }
8815
8816 static void DrawEditModeWindow(void)
8817 {
8818   DrawEditModeWindowExt(TRUE);
8819 }
8820
8821 static void DrawEditModeWindow_PlayfieldOnly(void)
8822 {
8823   DrawEditModeWindowExt(FALSE);
8824 }
8825
8826 static void ChangeEditModeWindow(int new_edit_mode)
8827 {
8828   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8829
8830   DrawEditModeWindow();
8831 }
8832
8833 static boolean LevelChanged(void)
8834 {
8835   boolean field_changed = FALSE;
8836   int x, y;
8837
8838   for (y = 0; y < lev_fieldy; y++)
8839     for (x = 0; x < lev_fieldx; x++)
8840       if (Tile[x][y] != level.field[x][y])
8841         field_changed = TRUE;
8842
8843   return (level.changed || field_changed);
8844 }
8845
8846 static boolean PrepareSavingIntoPersonalLevelSet(void)
8847 {
8848   static LevelDirTree *last_copied_leveldir = NULL;
8849   static LevelDirTree *last_written_leveldir = NULL;
8850   static int last_copied_level_nr = -1;
8851   static int last_written_level_nr = -1;
8852   LevelDirTree *leveldir_former = leveldir_current;
8853   int level_nr_former = level_nr;
8854   int new_level_nr;
8855
8856   // remember last mod/save so that for current session, we write
8857   // back to the same personal copy, asking only about overwrite.
8858   if (leveldir_current == last_copied_leveldir &&
8859       level_nr == last_copied_level_nr)
8860   {
8861     // "cd" to personal level set dir (as used when writing last copy)
8862     leveldir_current = last_written_leveldir;
8863     level_nr = last_written_level_nr;
8864
8865     return TRUE;
8866   }
8867
8868   if (!Request("This level is read-only! "
8869                "Save into personal level set?", REQ_ASK))
8870     return FALSE;
8871
8872   // "cd" to personal level set dir (for writing copy the first time)
8873   leveldir_current =
8874     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8875
8876   // this may happen if "setup.internal.create_user_levelset" is FALSE
8877   // or if file "levelinfo.conf" is missing in personal user level set
8878   if (leveldir_current == NULL)
8879   {
8880     Request("Cannot find personal level set?!", REQ_CONFIRM);
8881
8882     leveldir_current = leveldir_former;
8883
8884     return FALSE;
8885   }
8886
8887   // find unused level number
8888   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8889   {
8890     static char *level_filename = NULL;
8891
8892     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8893
8894     if (!fileExists(level_filename))
8895       break;
8896   }
8897
8898   last_copied_leveldir = leveldir_former;
8899   last_copied_level_nr = level_nr_former;
8900
8901   last_written_leveldir = leveldir_current;
8902   last_written_level_nr = level_nr = new_level_nr;
8903
8904   return TRUE;
8905 }
8906
8907 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8908 {
8909   static char *filename_levelinfo = NULL, *mod_name = NULL;
8910   FILE *file;
8911
8912   // annotate this copy-and-mod in personal levelinfo.conf
8913   setString(&filename_levelinfo,
8914             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8915
8916   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8917   {
8918     fprintf(file, "\n");
8919     fprintf(file, "# level %d was modified from:\n", level_nr);
8920     fprintf(file, "# - previous level set name:    %s\n",
8921             former_name);
8922     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8923             level.file_info.nr, level.name);
8924     fprintf(file, "# - previous author:            %s\n",
8925             level.author);
8926     fprintf(file, "# - previous save date:         ");
8927
8928     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8929     {
8930       fprintf(file, "%04d-%02d-%02d\n",
8931               level.creation_date.year,
8932               level.creation_date.month,
8933               level.creation_date.day);
8934     }
8935     else
8936     {
8937       fprintf(file, "not recorded\n");
8938     }
8939
8940     fclose(file);
8941   }
8942
8943   if (level_nr > leveldir_current->last_level)
8944     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8945
8946   // else: allow the save even if annotation failed
8947
8948   // now... spray graffiti on the old level vital statistics
8949   // user can change these; just trying to set a good baseline
8950
8951   // don't truncate names for fear of making offensive or silly:
8952   // long-named original author only recorded in levelinfo.conf.
8953   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8954   if (!strEqual(level.author, leveldir_current->author))
8955   {
8956     setString(&mod_name, getStringCat3(leveldir_current->author,
8957                                        " after ", level.author));
8958
8959     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8960       setString(&mod_name,
8961                 getStringCat2(leveldir_current->author, " (ed.)"));
8962
8963     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8964       setString(&mod_name, leveldir_current->author);
8965
8966     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8967
8968     // less worried about truncation here
8969     setString(&mod_name, getStringCat2("Mod: ", level.name));
8970     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8971   }
8972 }
8973
8974 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8975                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8976 {
8977   int x, y;
8978
8979   for (x = 0; x < lev_fieldx; x++)
8980     for (y = 0; y < lev_fieldy; y++)
8981       dst[x][y] = src[x][y];
8982 }
8983
8984 static int setSelectboxValue(int selectbox_id, int new_value)
8985 {
8986   int new_index_value = 0;
8987   int i;
8988
8989   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8990     if (selectbox_info[selectbox_id].options[i].value == new_value)
8991       new_index_value = i;
8992
8993   *selectbox_info[selectbox_id].value =
8994     selectbox_info[selectbox_id].options[new_index_value].value;
8995
8996   return new_index_value;
8997 }
8998
8999 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9000 {
9001   int i;
9002
9003   // change action mode and arg variables according to action type variable
9004   for (i = 0; action_arg_options[i].value != -1; i++)
9005   {
9006     if (action_arg_options[i].value == custom_element_change.action_type)
9007     {
9008       int mode = action_arg_options[i].mode;
9009
9010       // only change if corresponding selectbox has changed
9011       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9012           action_arg_modes[mode])
9013         custom_element_change.action_mode = -1;
9014
9015       // only change if corresponding selectbox has changed
9016       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9017           action_arg_options[i].options)
9018         custom_element_change.action_arg = -1;
9019
9020       break;
9021     }
9022   }
9023 }
9024
9025 static void setSelectboxSpecialActionOptions(void)
9026 {
9027   int i;
9028
9029   // change action mode and arg selectbox according to action type selectbox
9030   for (i = 0; action_arg_options[i].value != -1; i++)
9031   {
9032     if (action_arg_options[i].value == custom_element_change.action_type)
9033     {
9034       int mode = action_arg_options[i].mode;
9035
9036       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9037                                    action_arg_modes[mode]);
9038       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9039                                  custom_element_change.action_mode);
9040
9041       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9042                                    action_arg_options[i].options);
9043       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9044                                  custom_element_change.action_arg);
9045       break;
9046     }
9047   }
9048 }
9049
9050 static void copy_custom_element_settings(int element_from, int element_to)
9051 {
9052   struct ElementInfo *ei_from = &element_info[element_from];
9053   struct ElementInfo *ei_to = &element_info[element_to];
9054
9055   copyElementInfo(ei_from, ei_to);
9056 }
9057
9058 static void replace_custom_element_in_settings(int element_from,
9059                                                int element_to)
9060 {
9061   int i, j, x, y;
9062
9063   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9064   {
9065     struct ElementInfo *ei = &element_info[i];
9066
9067     for (y = 0; y < 3; y++)
9068       for (x = 0; x < 3; x++)
9069         if (ei->content.e[x][y] == element_from)
9070           ei->content.e[x][y] = element_to;
9071
9072     for (j = 0; j < ei->num_change_pages; j++)
9073     {
9074       struct ElementChangeInfo *change = &ei->change_page[j];
9075
9076       if (change->target_element == element_from)
9077         change->target_element = element_to;
9078
9079       if (change->initial_trigger_element == element_from)
9080         change->initial_trigger_element = element_to;
9081
9082       if (change->action_element == element_from)
9083         change->action_element = element_to;
9084
9085       for (y = 0; y < 3; y++)
9086         for (x = 0; x < 3; x++)
9087           if (change->target_content.e[x][y] == element_from)
9088             change->target_content.e[x][y] = element_to;
9089     }
9090
9091     if (ei->group != NULL)                              // group or internal
9092       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9093         if (ei->group->element[j] == element_from)
9094           ei->group->element[j] = element_to;
9095   }
9096 }
9097
9098 static void replace_custom_element_in_playfield(int element_from,
9099                                                 int element_to)
9100 {
9101   int x, y;
9102
9103   for (x = 0; x < lev_fieldx; x++)
9104     for (y = 0; y < lev_fieldy; y++)
9105       if (Tile[x][y] == element_from)
9106         Tile[x][y] = element_to;
9107 }
9108
9109 static boolean CopyCustomElement(int element_old, int element_new,
9110                                  int copy_mode)
9111 {
9112   int copy_mode_orig = copy_mode;
9113
9114   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9115   {
9116     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9117                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9118     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9119   }
9120   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9121   {
9122     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9123                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9124     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9125
9126     level.changed = TRUE;
9127   }
9128   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9129   {
9130     Request("Please choose custom element!", REQ_CONFIRM);
9131
9132     return FALSE;
9133   }
9134   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9135   {
9136     Request("Please choose group element!", REQ_CONFIRM);
9137
9138     return FALSE;
9139   }
9140   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9141   {
9142     Request("Please choose empty element!", REQ_CONFIRM);
9143
9144     return FALSE;
9145   }
9146   else
9147   {
9148     level.changed = TRUE;
9149   }
9150
9151   // when modifying custom/group element, ask for copying level template
9152   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9153   {
9154     if (!AskToCopyAndModifyLevelTemplate())
9155       return FALSE;
9156   }
9157
9158   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9159   {
9160     copy_custom_element_settings(element_new, element_old);
9161   }
9162   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9163   {
9164     copy_custom_element_settings(element_old, element_new);
9165   }
9166   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9167   {
9168     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9169     copy_custom_element_settings(element_new, element_old);
9170     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9171
9172     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9173     replace_custom_element_in_settings(element_new, element_old);
9174     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9175
9176     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9177     replace_custom_element_in_playfield(element_new, element_old);
9178     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9179   }
9180
9181   UpdateCustomElementGraphicGadgets();
9182   DrawPropertiesWindow();
9183
9184   return TRUE;
9185 }
9186
9187 static void CopyCustomElementPropertiesToEditor(int element)
9188 {
9189   int i;
9190   int current_change_page = element_info[element].current_change_page;
9191
9192   // dynamically (re)build selectbox for selecting change page
9193   for (i = 0; i < element_info[element].num_change_pages; i++)
9194   {
9195     sprintf(options_change_page_strings[i], "%d", i + 1);
9196
9197     options_change_page[i].value = i;
9198     options_change_page[i].text = options_change_page_strings[i];
9199   }
9200
9201   options_change_page[i].value = -1;
9202   options_change_page[i].text = NULL;
9203
9204   // needed here to initialize combined element properties
9205   InitElementPropertiesEngine(level.game_version);
9206
9207   element_info[element].change =
9208     &element_info[element].change_page[current_change_page];
9209
9210   custom_element = element_info[element];
9211   custom_element_change = *element_info[element].change;
9212
9213   // needed to initially set selectbox options for special action options
9214   setSelectboxSpecialActionOptions();
9215
9216   // needed to initially set selectbox value variables to reliable defaults
9217   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9218     setSelectboxValue(i, *selectbox_info[i].value);
9219
9220   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9221     custom_element_properties[i] = HAS_PROPERTY(element, i);
9222
9223   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9224     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9225
9226   // ---------- element settings: configure (custom elements) -----------------
9227
9228   // set accessible layer selectbox help value
9229   custom_element.access_type =
9230     (IS_WALKABLE(element) ? EP_WALKABLE :
9231      IS_PASSABLE(element) ? EP_PASSABLE :
9232      custom_element.access_type);
9233   custom_element.access_layer =
9234     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9235      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9236      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9237      custom_element.access_layer);
9238   custom_element.access_protected =
9239     (IS_PROTECTED(element) ? 1 : 0);
9240   custom_element_properties[EP_ACCESSIBLE] =
9241     (IS_ACCESSIBLE_OVER(element) ||
9242      IS_ACCESSIBLE_INSIDE(element) ||
9243      IS_ACCESSIBLE_UNDER(element));
9244
9245   // set walk-to-object action selectbox help value
9246   custom_element.walk_to_action =
9247     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9248      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9249      IS_DROPPABLE(element) ? EP_DROPPABLE :
9250      IS_THROWABLE(element) ? EP_THROWABLE :
9251      IS_PUSHABLE(element) ? EP_PUSHABLE :
9252      custom_element.walk_to_action);
9253   custom_element_properties[EP_WALK_TO_OBJECT] =
9254     (IS_DIGGABLE(element) ||
9255      IS_COLLECTIBLE_ONLY(element) ||
9256      IS_DROPPABLE(element) ||
9257      IS_THROWABLE(element) ||
9258      IS_PUSHABLE(element));
9259
9260   // set smash targets selectbox help value
9261   custom_element.smash_targets =
9262     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9263      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9264      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9265      custom_element.smash_targets);
9266   custom_element_properties[EP_CAN_SMASH] =
9267     (CAN_SMASH_EVERYTHING(element) ||
9268      CAN_SMASH_ENEMIES(element) ||
9269      CAN_SMASH_PLAYER(element));
9270
9271   // set deadliness selectbox help value
9272   custom_element.deadliness =
9273     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9274      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9275      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9276      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9277      custom_element.deadliness);
9278   custom_element_properties[EP_DEADLY] =
9279     (DONT_TOUCH(element) ||
9280      DONT_GET_HIT_BY(element) ||
9281      DONT_COLLIDE_WITH(element) ||
9282      DONT_RUN_INTO(element));
9283
9284   // ---------- element settings: advanced (custom elements) ------------------
9285
9286   // set "change by direct action" selectbox help value
9287   custom_element_change.direct_action =
9288     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9289      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9290      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9291      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9292      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9293      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9294      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9295      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9296      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9297      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9298      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9299      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9300      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9301      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9302      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9303      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9304      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9305      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9306      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9307      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9308      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9309      custom_element_change.direct_action);
9310
9311   // set "change by other element action" selectbox help value
9312   custom_element_change.other_action =
9313     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9314      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9315      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9316      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9317      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9318      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9319      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9320      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9321      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9322      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9323      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9324      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9325      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9326      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9327      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9328      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9329      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9330      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9331      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9332      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9333      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9334      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9335      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9336      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9337      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9338      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9339      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9340      custom_element_change.other_action);
9341 }
9342
9343 static void CopyGroupElementPropertiesToEditor(int element)
9344 {
9345   group_element_info = *element_info[element].group;
9346   custom_element = element_info[element];       // needed for description
9347 }
9348
9349 static void CopyEmptyElementPropertiesToEditor(int element)
9350 {
9351   custom_element = element_info[element];
9352 }
9353
9354 static void CopyClassicElementPropertiesToEditor(int element)
9355 {
9356   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9357     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9358       getMoveIntoAcidProperty(&level, element);
9359
9360   if (MAYBE_DONT_COLLIDE_WITH(element))
9361     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9362       getDontCollideWithProperty(&level, element);
9363 }
9364
9365 static void CopyElementPropertiesToEditor(int element)
9366 {
9367   if (IS_CUSTOM_ELEMENT(element))
9368     CopyCustomElementPropertiesToEditor(element);
9369   else if (IS_GROUP_ELEMENT(element))
9370     CopyGroupElementPropertiesToEditor(element);
9371   else if (IS_EMPTY_ELEMENT(element))
9372     CopyEmptyElementPropertiesToEditor(element);
9373   else
9374     CopyClassicElementPropertiesToEditor(element);
9375 }
9376
9377 static boolean AskToCopyAndModifyLevelTemplate(void)
9378 {
9379   if (Request("Copy and modify settings from level template?", REQ_ASK))
9380   {
9381     level.use_custom_template = FALSE;
9382
9383     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9384                  GDI_CHECKED, FALSE, GDI_END);
9385     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9386                  GDI_CHECKED, FALSE, GDI_END);
9387
9388     return TRUE;
9389   }
9390   else
9391   {
9392     LoadLevelTemplate(-1);      // this resets all element modifications ...
9393
9394     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9395
9396     return FALSE;
9397   }
9398 }
9399
9400 static void CopyCustomElementPropertiesToGame(int element)
9401 {
9402   int i;
9403   int access_type_and_layer;
9404
9405   // mark that this custom element has been modified
9406   custom_element.modified_settings = TRUE;
9407   level.changed = TRUE;
9408
9409   if (level.use_custom_template)
9410     AskToCopyAndModifyLevelTemplate();
9411
9412   element_info[element] = custom_element;
9413   *element_info[element].change = custom_element_change;
9414
9415   // ---------- element settings: configure (custom elements) -----------------
9416
9417   // set accessible property from checkbox and selectbox
9418   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9419   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9420   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9421   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9422   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9423   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9424   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9425                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9426                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9427   custom_element_properties[access_type_and_layer] =
9428     custom_element_properties[EP_ACCESSIBLE];
9429   custom_element_properties[EP_PROTECTED] =
9430     (custom_element.access_protected != 0 &&
9431      custom_element_properties[EP_ACCESSIBLE]);
9432
9433   // set walk-to-object property from checkbox and selectbox
9434   custom_element_properties[EP_DIGGABLE] = FALSE;
9435   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9436   custom_element_properties[EP_DROPPABLE] = FALSE;
9437   custom_element_properties[EP_THROWABLE] = FALSE;
9438   custom_element_properties[EP_PUSHABLE] = FALSE;
9439   custom_element_properties[custom_element.walk_to_action] =
9440     custom_element_properties[EP_WALK_TO_OBJECT];
9441
9442   // set smash property from checkbox and selectbox
9443   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9444   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9445   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9446   custom_element_properties[custom_element.smash_targets] =
9447     custom_element_properties[EP_CAN_SMASH];
9448
9449   // set deadliness property from checkbox and selectbox
9450   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9451   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9452   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9453   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9454   custom_element_properties[custom_element.deadliness] =
9455     custom_element_properties[EP_DEADLY];
9456
9457   // ---------- element settings: advanced (custom elements) ------------------
9458
9459   // set player change event from checkbox and selectbox
9460   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9461   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9462   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9463   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9464   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9465   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9466   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9467   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9468   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9469   custom_element_change_events[CE_SWITCHED] = FALSE;
9470   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9471   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9472   custom_element_change_events[CE_BLOCKED] = FALSE;
9473   custom_element_change_events[CE_IMPACT] = FALSE;
9474   custom_element_change_events[CE_SMASHED] = FALSE;
9475   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9476   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9477   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9478   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9479   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9480   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9481   custom_element_change_events[custom_element_change.direct_action] =
9482     custom_element_change_events[CE_BY_DIRECT_ACTION];
9483
9484   // set other element action change event from checkbox and selectbox
9485   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9486   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9487   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9488   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9489   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9490   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9491   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9492   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9493   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9494   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9495   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9496   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9497   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9498   custom_element_change_events[CE_HITTING_X] = FALSE;
9499   custom_element_change_events[CE_DIGGING_X] = FALSE;
9500   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9501   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9502   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9503   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9504   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9505   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9506   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9507   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9508   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9509   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9510   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9511   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9512   custom_element_change_events[custom_element_change.other_action] =
9513     custom_element_change_events[CE_BY_OTHER_ACTION];
9514
9515   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9516     SET_PROPERTY(element, i, custom_element_properties[i]);
9517
9518   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9519     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9520
9521   // copy change events also to special level editor variable
9522   custom_element = element_info[element];
9523   custom_element_change = *element_info[element].change;
9524
9525   // needed here to restore runtime value "element_info[element].gfx_element"
9526   InitElementPropertiesGfxElement();
9527 }
9528
9529 static void CopyGroupElementPropertiesToGame(int element)
9530 {
9531   // mark that this group element has been modified
9532   custom_element.modified_settings = TRUE;
9533   level.changed = TRUE;
9534
9535   if (level.use_custom_template)
9536     AskToCopyAndModifyLevelTemplate();
9537
9538   element_info[element] = custom_element;
9539   *element_info[element].group = group_element_info;
9540
9541   // needed here to restore runtime value "element_info[element].gfx_element"
9542   InitElementPropertiesGfxElement();
9543 }
9544
9545 static void CopyEmptyElementPropertiesToGame(int element)
9546 {
9547   // mark that this empty element has been modified
9548   custom_element.modified_settings = TRUE;
9549   level.changed = TRUE;
9550
9551   if (level.use_custom_template)
9552     AskToCopyAndModifyLevelTemplate();
9553
9554   element_info[element] = custom_element;
9555
9556   // needed here to restore runtime value "element_info[element].gfx_element"
9557   InitElementPropertiesGfxElement();
9558 }
9559
9560 static void CopyClassicElementPropertiesToGame(int element)
9561 {
9562   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9563     setMoveIntoAcidProperty(&level, element,
9564                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9565
9566   if (MAYBE_DONT_COLLIDE_WITH(element))
9567     setDontCollideWithProperty(&level, element,
9568                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9569 }
9570
9571 static void CopyElementPropertiesToGame(int element)
9572 {
9573   if (IS_CUSTOM_ELEMENT(element))
9574     CopyCustomElementPropertiesToGame(element);
9575   else if (IS_GROUP_ELEMENT(element))
9576     CopyGroupElementPropertiesToGame(element);
9577   else if (IS_EMPTY_ELEMENT(element))
9578     CopyEmptyElementPropertiesToGame(element);
9579   else
9580     CopyClassicElementPropertiesToGame(element);
9581 }
9582
9583 #if DEBUG
9584 static void CheckElementDescriptions(void)
9585 {
9586   int i;
9587
9588   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9589     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9590       Warn("no element description file for element '%s'", EL_NAME(i));
9591 }
9592 #endif
9593
9594 static int getMaxEdFieldX(boolean has_scrollbar)
9595 {
9596   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9597   int sxsize = SXSIZE - scrollbar_width;
9598   int max_ed_fieldx = sxsize / ed_tilesize;
9599
9600   return max_ed_fieldx;
9601 }
9602
9603 static int getMaxEdFieldY(boolean has_scrollbar)
9604 {
9605   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9606                          INFOTEXT_YSIZE_FULL : 0);
9607   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9608   int sysize = SYSIZE - scrollbar_height - infotext_height;
9609   int max_ed_fieldy = sysize / ed_tilesize;
9610
9611   return max_ed_fieldy;
9612 }
9613
9614 static void InitZoomLevelSettings(int zoom_tilesize)
9615 {
9616   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9617
9618   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9619   {
9620     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9621     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9622
9623     // make sure that tile size is always a power of 2
9624     ed_tilesize = (1 << log_2(ed_tilesize));
9625
9626     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9627     {
9628       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9629       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9630     }
9631   }
9632
9633   last_game_engine_type = level.game_engine_type;
9634
9635   // limit zoom tilesize by upper and lower bound
9636   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9637
9638   // store zoom tilesize in auto setup file only if it was manually changed
9639   if (zoom_tilesize != -1)
9640     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9641
9642   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9643   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9644 }
9645
9646 static void InitDrawingElements(void)
9647 {
9648   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9649
9650   if (level.game_engine_type == game_engine_type_last)
9651     return;
9652
9653   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9654   {
9655     new_element1 = EL_BD_WALL;
9656     new_element2 = EL_EMPTY;
9657     new_element3 = EL_BD_SAND;
9658   }
9659   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9660   {
9661     new_element1 = EL_SP_CHIP_SINGLE;
9662     new_element2 = EL_EMPTY;
9663     new_element3 = EL_SP_BASE;
9664   }
9665   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9666   {
9667     new_element1 = EL_MM_MIRROR_START;
9668     new_element2 = EL_EMPTY;
9669     new_element3 = EL_MM_WOODEN_WALL;
9670   }
9671   else
9672   {
9673     new_element1 = EL_WALL;
9674     new_element2 = EL_EMPTY;
9675     new_element3 = EL_SAND;
9676   }
9677
9678   game_engine_type_last = level.game_engine_type;
9679 }
9680
9681 static void InitLevelSetInfo(void)
9682 {
9683   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9684            "%s", leveldir_current->name);
9685   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9686            "%s", leveldir_current->author);
9687
9688   levelset_num_levels = leveldir_current->levels;
9689
9690   levelset_use_levelset_artwork = FALSE;
9691   levelset_copy_level_template = FALSE;
9692
9693   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9694 }
9695
9696 static void ChangeEditorToLevelSet(char *levelset_subdir)
9697 {
9698   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9699
9700   // the previous level set might have used custom artwork
9701   ReloadCustomArtwork(0);
9702
9703   LoadLevelSetup_SeriesInfo();
9704
9705   SaveLevelSetup_LastSeries();
9706   SaveLevelSetup_SeriesInfo();
9707
9708   TapeErase();
9709
9710   LoadLevel(level_nr);
9711   LoadScore(level_nr);
9712
9713   DrawLevelEd();
9714 }
9715
9716 static boolean useEditorDoorAnimation(void)
9717 {
9718   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9719   boolean door_1_viewport_unchanged =
9720     (vp_door_1->x      == DX     &&
9721      vp_door_1->y      == DY     &&
9722      vp_door_1->width  == DXSIZE &&
9723      vp_door_1->height == DYSIZE);
9724   boolean door_1_contains_toolbox =
9725     (EX >= DX &&
9726      EY >= DY &&
9727      EX + EXSIZE <= DX + DXSIZE &&
9728      EY + EYSIZE <= DY + DYSIZE);
9729
9730   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9731 }
9732
9733 static void DrawEditorDoorBackground(int graphic, int x, int y,
9734                                      int width, int height)
9735 {
9736   struct GraphicInfo *g = &graphic_info[graphic];
9737
9738   if (g->bitmap != NULL)
9739     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9740                MIN(width, g->width), MIN(height, g->height), x, y);
9741   else
9742     ClearRectangle(drawto, x, y, width, height);
9743 }
9744
9745 static void DrawEditorDoorContent(void)
9746 {
9747   // needed for gadgets drawn on background (like palette scrollbar)
9748   SetDoorBackgroundImage(IMG_UNDEFINED);
9749
9750   // copy default editor door content to main double buffer
9751   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9752
9753   // draw bigger door
9754   DrawSpecialEditorDoor();
9755
9756   // draw new control window
9757   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9758
9759   // draw all toolbox gadgets to editor doors
9760   MapControlButtons();
9761
9762   // when returning from test game to properties page, redraw toolbox gadgets
9763   if (edit_mode == ED_MODE_PROPERTIES)
9764   {
9765     UnmapLevelEditorToolboxDrawingGadgets();
9766     UnmapLevelEditorToolboxCustomGadgets();
9767
9768     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9769   }
9770
9771   // draw all palette gadgets to editor doors
9772   ModifyEditorElementList();
9773   RedrawDrawingElements();
9774
9775   // copy actual editor door content to door double buffer for OpenDoor()
9776   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9777 }
9778
9779 void DrawLevelEd(void)
9780 {
9781   int fade_mask = REDRAW_FIELD;
9782
9783   FadeSoundsAndMusic();
9784
9785   if (CheckFadeAll())
9786     fade_mask = REDRAW_ALL;
9787
9788   FadeOut(fade_mask);
9789
9790   // needed if different viewport properties defined for editor
9791   ChangeViewportPropertiesIfNeeded();
9792
9793   ClearField();
9794
9795   InitZoomLevelSettings(-1);
9796   InitDrawingElements();
9797   InitLevelSetInfo();
9798
9799 #if DEBUG
9800   CheckElementDescriptions();
9801 #endif
9802
9803   if (level_editor_test_game)
9804   {
9805     CopyPlayfield(level.field, Tile);
9806     CopyPlayfield(TileBackup, level.field);
9807
9808     level_editor_test_game = FALSE;
9809   }
9810   else
9811   {
9812     edit_mode = ED_MODE_DRAWING;
9813     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9814     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9815
9816     ResetUndoBuffer();
9817
9818     level_xpos = -1;
9819     level_ypos = -1;
9820   }
9821
9822   // redraw_mask |= REDRAW_ALL;
9823
9824   FreeLevelEditorGadgets();
9825   CreateLevelEditorGadgets();
9826
9827   ReinitializeElementList();            // update dynamic level element list
9828   ReinitializeElementListButtons();     // custom element may look different
9829
9830   InitElementPropertiesGfxElement();
9831
9832   UnmapAllGadgets();
9833
9834   DrawEditModeWindow_PlayfieldOnly();
9835
9836   DrawMaskedBorder(fade_mask);
9837
9838   // use door animation if door 1 viewport is unchanged and contains toolbox
9839   if (useEditorDoorAnimation())
9840   {
9841     FadeIn(fade_mask);
9842
9843     DrawEditorDoorContent();
9844
9845     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9846   }
9847   else
9848   {
9849     DrawEditorDoorContent();
9850
9851     FadeIn(fade_mask);
9852   }
9853
9854   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9855 }
9856
9857 static void AdjustDrawingAreaGadgets(void)
9858 {
9859   int ed_xsize = lev_fieldx + 2;
9860   int ed_ysize = lev_fieldy + 2;
9861   int max_ed_fieldx = MAX_ED_FIELDX;
9862   int max_ed_fieldy = MAX_ED_FIELDY;
9863   boolean horizontal_scrollbar_needed;
9864   boolean vertical_scrollbar_needed;
9865   int x, y, width, height;
9866
9867   if (suppressBorderElement())
9868   {
9869     ed_xsize = lev_fieldx;
9870     ed_ysize = lev_fieldy;
9871   }
9872
9873   // check if we need any scrollbars
9874   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9875   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9876
9877   // check if we have a smaller editor field because of scrollbars
9878   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9879   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9880
9881   // check again if we now need more scrollbars because of less space
9882   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9883   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9884
9885   // check if editor field gets even smaller after adding new scrollbars
9886   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9887   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9888
9889   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9890   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9891
9892   x = SX + ed_fieldx * ed_tilesize;
9893   y = SY + ed_fieldy * ed_tilesize;
9894
9895   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9896   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9897
9898   // adjust drawing area gadget
9899   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9900                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9901                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9902                GDI_END);
9903
9904   // adjust horizontal scrollbar gadgets
9905   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9906                GDI_Y, y,
9907                GDI_END);
9908   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9909                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9910                GDI_Y, y,
9911                GDI_END);
9912   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9913                GDI_Y, y,
9914                GDI_WIDTH, width,
9915                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9916                GDI_END);
9917
9918   // adjust vertical scrollbar gadgets
9919   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9920                GDI_X, x,
9921                GDI_END);
9922   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9923                GDI_X, x,
9924                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9925                GDI_END);
9926   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9927                GDI_X, x,
9928                GDI_HEIGHT, height,
9929                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9930                GDI_END);
9931 }
9932
9933 static void AdjustLevelScrollPosition(void)
9934 {
9935   if (level_xpos < -1)
9936     level_xpos = -1;
9937   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9938     level_xpos = lev_fieldx - ed_fieldx + 1;
9939   if (lev_fieldx < ed_fieldx - 2)
9940     level_xpos = -1;
9941
9942   if (level_ypos < -1)
9943     level_ypos = -1;
9944   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9945     level_ypos = lev_fieldy - ed_fieldy + 1;
9946   if (lev_fieldy < ed_fieldy - 2)
9947     level_ypos = -1;
9948
9949   if (suppressBorderElement())
9950   {
9951     level_xpos = 0;
9952     level_ypos = 0;
9953   }
9954 }
9955
9956 static void AdjustEditorScrollbar(int id)
9957 {
9958   struct GadgetInfo *gi = level_editor_gadget[id];
9959   int items_max, items_visible, item_position;
9960
9961   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9962   {
9963     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9964     items_visible = ed_fieldx;
9965     item_position = level_xpos + 1;
9966   }
9967   else
9968   {
9969     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9970     items_visible = ed_fieldy;
9971     item_position = level_ypos + 1;
9972   }
9973
9974   if (item_position > items_max - items_visible)
9975     item_position = items_max - items_visible;
9976
9977   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9978                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9979 }
9980
9981 static void AdjustElementListScrollbar(void)
9982 {
9983   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9984   int items_max, items_visible, item_position;
9985
9986   // correct position of element list scrollbar
9987   if (element_shift < 0)
9988     element_shift = 0;
9989   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9990     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9991
9992   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9993   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9994   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9995
9996   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9997                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9998                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9999 }
10000
10001 static void ModifyEditorCounterValue(int counter_id, int new_value)
10002 {
10003   int *counter_value = counterbutton_info[counter_id].value;
10004   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10005   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10006
10007   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10008
10009   if (counter_value != NULL)
10010     *counter_value = gi->textinput.number_value;
10011 }
10012
10013 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10014 {
10015   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10016   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10017
10018   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10019
10020   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10021       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10022   {
10023     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10024     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10025
10026     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10027     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10028                  GDI_END);
10029   }
10030 }
10031
10032 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10033 {
10034   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10035   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10036   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10037
10038   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10039 }
10040
10041 static void ModifyEditorSelectboxOptions(int selectbox_id,
10042                                          struct ValueTextInfo *options)
10043 {
10044   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10045   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10046
10047   selectbox_info[selectbox_id].options = options;
10048
10049   // set index to zero -- list may be shorter now (correct later, if needed)
10050   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10051                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10052 }
10053
10054 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10055 {
10056   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10057   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10058
10059   drawingarea_info[drawingarea_id].area_xsize = xsize;
10060   drawingarea_info[drawingarea_id].area_ysize = ysize;
10061
10062   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10063 }
10064
10065 static void ModifyEditorElementList(void)
10066 {
10067   int i;
10068
10069   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10070     return;
10071
10072   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10073   {
10074     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10075     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10076     struct GadgetDesign *gd = &gi->deco.design;
10077     int element = editor_elements[element_shift + i];
10078     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10079
10080     UnmapGadget(gi);
10081
10082     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10083
10084     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10085
10086     MapGadget(gi);
10087   }
10088 }
10089
10090 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10091 {
10092   int graphic = el2edimg(element);
10093   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10094
10095   if (pos->x == -1 &&
10096       pos->y == -1)
10097     return;
10098
10099   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10100 }
10101
10102 static void ModifyDrawingElementButton(int element, int id)
10103 {
10104   struct GadgetInfo *gi = level_editor_gadget[id];
10105   Bitmap *deco_bitmap;
10106   int deco_x, deco_y;
10107   int tile_size = gi->deco.width;
10108
10109   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10110
10111   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10112 }
10113
10114 static void PickDrawingElement(int button, int element)
10115 {
10116   struct
10117   {
10118     int *new_element;
10119     struct XYTileSize *pos;
10120     int id;
10121   } de, drawing_elements[] =
10122   {
10123     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10124     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10125     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10126   };
10127
10128   if (button < 1 || button > 3)
10129     return;
10130
10131   if (IS_MM_WALL(element))
10132     element = map_mm_wall_element(element);
10133
10134   de = drawing_elements[button - 1];
10135
10136   *de.new_element = element;    // update global drawing element variable
10137
10138   DrawDrawingElementGraphic(element, de.pos);
10139   ModifyDrawingElementButton(element, de.id);
10140
10141   redraw_mask |= REDRAW_DOOR_1;
10142 }
10143
10144 static void RedrawDrawingElements(void)
10145 {
10146   PickDrawingElement(1, new_element1);
10147   PickDrawingElement(2, new_element2);
10148   PickDrawingElement(3, new_element3);
10149 }
10150
10151 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10152 {
10153   stick_element_properties_window = FALSE;
10154
10155   SetMainBackgroundImage(IMG_UNDEFINED);
10156   ClearField();
10157
10158   UnmapLevelEditorFieldGadgets();
10159
10160   AdjustDrawingAreaGadgets();
10161   AdjustLevelScrollPosition();
10162   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10163   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10164
10165   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10166
10167   MapMainDrawingArea();
10168
10169   if (remap_toolbox_gadgets)
10170   {
10171     UnmapLevelEditorToolboxCustomGadgets();
10172     MapLevelEditorToolboxDrawingGadgets();
10173   }
10174 }
10175
10176 static void DrawDrawingWindow(void)
10177 {
10178   DrawDrawingWindowExt(TRUE);
10179 }
10180
10181 static int getTabulatorBarWidth(void)
10182 {
10183   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10184   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10185
10186   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10187 }
10188
10189 static int getTabulatorBarHeight(void)
10190 {
10191   return ED_TAB_BAR_HEIGHT;
10192 }
10193
10194 static Pixel getTabulatorBarColor(void)
10195 {
10196   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10197   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10198   int gd_x = gd->x + gd_gi1->border.width / 2;
10199   int gd_y = gd->y + gd_gi1->height - 1;
10200
10201   return GetPixel(gd->bitmap, gd_x, gd_y);
10202 }
10203
10204 static void DrawLevelConfigTabulatorGadgets(void)
10205 {
10206   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10207   Pixel tab_color = getTabulatorBarColor();
10208   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10209   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10210   int i;
10211
10212   // draw additional "engine" tabulator when using native BD engine
10213   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10214     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10215
10216   for (i = id_first; i <= id_last; i++)
10217   {
10218     int gadget_id = textbutton_info[i].gadget_id;
10219     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10220     boolean active = (i != edit_mode_levelconfig);
10221
10222     // draw background line below tabulator button
10223     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10224
10225     // draw solid line below inactive tabulator buttons
10226     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10227       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10228                     ED_GADGET_TINY_DISTANCE, tab_color);
10229
10230     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10231     MapTextbuttonGadget(i);
10232   }
10233
10234   // draw little border line below tabulator buttons
10235   if (tab_color != BLACK_PIXEL)                 // black => transparent
10236     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10237                   ED_GADGET_TINY_DISTANCE,
10238                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10239 }
10240
10241 static void DrawPropertiesTabulatorGadgets(void)
10242 {
10243   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10244   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10245   int gd_x = gd->x + gd_gi1->border.width / 2;
10246   int gd_y = gd->y + gd_gi1->height - 1;
10247   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10248   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10249   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10250   int i;
10251
10252   // draw two config tabulators for player elements
10253   if (IS_PLAYER_ELEMENT(properties_element))
10254     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10255
10256   // draw two config and one "change" tabulator for custom elements
10257   if (IS_CUSTOM_ELEMENT(properties_element))
10258     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10259
10260   for (i = id_first; i <= id_last; i++)
10261   {
10262     int gadget_id = textbutton_info[i].gadget_id;
10263     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10264     boolean active = (i != edit_mode_properties);
10265
10266     // use "config 1" and "config 2" instead of "config" for players and CEs
10267     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10268         (IS_PLAYER_ELEMENT(properties_element) ||
10269          IS_CUSTOM_ELEMENT(properties_element)))
10270       continue;
10271
10272     // draw background line below tabulator button
10273     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10274
10275     // draw solid line below inactive tabulator buttons
10276     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10277       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10278                     ED_GADGET_TINY_DISTANCE, tab_color);
10279
10280     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10281     MapTextbuttonGadget(i);
10282   }
10283
10284   // draw little border line below tabulator buttons
10285   if (tab_color != BLACK_PIXEL)                 // black => transparent
10286     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10287                   ED_GADGET_TINY_DISTANCE,
10288                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10289 }
10290
10291 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10292 {
10293   DrawText(SX + xpos, SY + ypos, text, font_nr);
10294 }
10295
10296 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10297                                            int xpos, int ypos)
10298 {
10299   int font_width = getFontWidth(font_nr);
10300   int font_height = getFontHeight(font_nr);
10301   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10302   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10303
10304   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10305                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10306                       TRUE, FALSE, FALSE);
10307 }
10308
10309 static void DrawLevelConfigLevel(void)
10310 {
10311   int i;
10312
10313   // draw counter gadgets
10314   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10315     MapCounterButtons(i);
10316
10317   // draw checkbutton gadgets
10318   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10319     MapCheckbuttonGadget(i);
10320
10321   // draw selectbox gadgets
10322   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10323     MapSelectboxGadget(i);
10324
10325   // draw text input gadgets
10326   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10327     MapTextInputGadget(i);
10328 }
10329
10330 static char *getLevelSubdirFromSaveMode(int save_mode)
10331 {
10332   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10333     return getNewUserLevelSubdir();
10334
10335   return leveldir_current->subdir;
10336 }
10337
10338 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10339 {
10340   char *directory_text = "Level set directory:";
10341   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10342   int font1_nr = FONT_TEXT_1;
10343   int font2_nr = FONT_TEXT_2;
10344   int font1_height = getFontHeight(font1_nr);
10345   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10346   int x = ED_LEVEL_SETTINGS_X(0);
10347   int y = ED_LEVEL_SETTINGS_Y(6);
10348
10349   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10350   PrintInfoText(directory_name, font2_nr, x, y);
10351 }
10352
10353 static void DrawLevelConfigLevelSet(void)
10354 {
10355   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10356   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10357   int i;
10358
10359   // draw counter gadgets
10360   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10361     MapCounterButtons(i);
10362
10363   // draw checkbutton gadgets
10364   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10365   {
10366     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10367         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10368         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10369       continue;
10370
10371     MapCheckbuttonGadget(i);
10372   }
10373
10374   // draw selectbox gadgets
10375   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10376     MapSelectboxGadget(i);
10377
10378   // draw text input gadgets
10379   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10380     MapTextInputGadget(i);
10381
10382   // draw textbutton gadgets
10383   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10384
10385   // draw info text
10386   DrawLevelConfigLevelSet_DirectoryInfo();
10387 }
10388
10389 static void DrawLevelConfigEditor(void)
10390 {
10391   int i;
10392
10393   // draw counter gadgets
10394   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10395     MapCounterButtons(i);
10396
10397   // draw checkbutton gadgets
10398   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10399     MapCheckbuttonGadget(i);
10400
10401   // draw radiobutton gadgets
10402   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10403     MapRadiobuttonGadget(i);
10404
10405   // draw drawing area
10406   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10407
10408   // draw textbutton gadgets
10409   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10410 }
10411
10412 static void DrawLevelConfigEngine(void)
10413 {
10414   int i;
10415
10416   // draw counter gadgets
10417   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10418   {
10419     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10420     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10421   }
10422   else
10423   {
10424     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10425     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10426   }
10427
10428   // draw checkbutton gadgets
10429   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10430     MapCheckbuttonGadget(i);
10431
10432   // draw selectbox gadgets
10433   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10434     MapSelectboxGadget(i);
10435 }
10436
10437 static void DrawLevelConfigWindow(void)
10438 {
10439   char *text = "Global Settings";
10440   int font_nr = FONT_TITLE_1;
10441   struct MenuPosInfo *pos = &editor.settings.headline;
10442   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10443   int sy = SY + pos->y;
10444
10445   stick_element_properties_window = FALSE;
10446
10447   SetAutomaticNumberOfGemsNeeded();
10448
10449   UnmapLevelEditorFieldGadgets();
10450
10451   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10452   ClearField();
10453
10454   DrawText(sx, sy, text, font_nr);
10455
10456   DrawLevelConfigTabulatorGadgets();
10457
10458   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10459     DrawLevelConfigLevel();
10460   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10461     DrawLevelConfigLevelSet();
10462   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10463     DrawLevelConfigEditor();
10464   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10465     DrawLevelConfigEngine();
10466 }
10467
10468 static void DrawCustomContentArea(void)
10469 {
10470   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10471   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10472   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10473   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10474   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10475   int xoffset = ED_GADGET_SPACE_DISTANCE;
10476
10477   // add distance for potential left text (without drawing area border)
10478   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10479
10480   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10481
10482   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10483 }
10484
10485 static void DrawCustomChangeContentArea(void)
10486 {
10487   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10488   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10489   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10490   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10491   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10492   int xoffset = ED_GADGET_SPACE_DISTANCE;
10493
10494   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10495
10496   MapDrawingArea(id);
10497 }
10498
10499 static void RemoveElementContentArea(int id, int font_height)
10500 {
10501   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10502
10503   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10504                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10505                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10506                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10507                  ED_GADGET_TEXT_DISTANCE + font_height);
10508 }
10509
10510 static void DrawYamYamContentAreas(void)
10511 {
10512   int font_nr = FONT_TEXT_1;
10513   int font_height = getFontHeight(font_nr);
10514   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10515   int yoffset = (tilesize - font_height) / 2;
10516   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10517   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10518   int i;
10519
10520   // display counter to choose number of element content areas
10521   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10522
10523   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10524   {
10525     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10526
10527     if (i < level.num_yamyam_contents)
10528     {
10529       MapDrawingArea(id);
10530     }
10531     else
10532     {
10533       UnmapDrawingArea(id);
10534
10535       // delete content areas in case of reducing number of them
10536       RemoveElementContentArea(id, font_height);
10537     }
10538   }
10539
10540   DrawText(x, y + 0 * tilesize, "content", font_nr);
10541   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10542   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10543 }
10544
10545 static void DrawMagicBallContentAreas(void)
10546 {
10547   int font_nr = FONT_TEXT_1;
10548   int font_height = getFontHeight(font_nr);
10549   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10550   int yoffset = (tilesize - font_height) / 2;
10551   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10552   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10553   int i;
10554
10555   // display counter to choose number of element content areas
10556   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10557
10558   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10559   {
10560     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10561
10562     if (i < level.num_ball_contents)
10563     {
10564       MapDrawingArea(id);
10565     }
10566     else
10567     {
10568       UnmapDrawingArea(id);
10569
10570       // delete content areas in case of reducing number of them
10571       RemoveElementContentArea(id, font_height);
10572     }
10573   }
10574
10575   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10576   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10577   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10578 }
10579
10580 static void DrawAndroidElementArea(void)
10581 {
10582   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10583   int num_elements = level.num_android_clone_elements;
10584   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10585   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10586   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10587   int xsize = MAX_ANDROID_ELEMENTS;
10588   int ysize = 1;
10589
10590   // display counter to choose number of element areas
10591   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10592
10593   if (drawingarea_info[id].text_left != NULL)
10594     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10595
10596   UnmapDrawingArea(id);
10597
10598   ModifyEditorDrawingArea(id, num_elements, 1);
10599
10600   // delete content areas in case of reducing number of them
10601   DrawBackground(sx, sy,
10602                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10603                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10604
10605   MapDrawingArea(id);
10606 }
10607
10608 static void DrawGroupElementArea(void)
10609 {
10610   int id = ED_DRAWING_ID_GROUP_CONTENT;
10611   int num_elements = group_element_info.num_elements;
10612   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10613   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10614   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10615   int xsize = MAX_ELEMENTS_IN_GROUP;
10616   int ysize = 1;
10617
10618   if (drawingarea_info[id].text_left != NULL)
10619     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10620
10621   UnmapDrawingArea(id);
10622
10623   ModifyEditorDrawingArea(id, num_elements, 1);
10624
10625   // delete content areas in case of reducing number of them
10626   DrawBackground(sx, sy,
10627                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10628                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10629
10630   MapDrawingArea(id);
10631 }
10632
10633 static void DrawPlayerInitialInventoryArea(int element)
10634 {
10635   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10636   int player_nr = GET_PLAYER_NR(element);
10637   int num_elements = level.initial_inventory_size[player_nr];
10638   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10639   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10640   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10641   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10642   int ysize = 1;
10643
10644   // determine horizontal position to the right of specified gadget
10645   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10646     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10647           ED_DRAWINGAREA_TEXT_DISTANCE);
10648
10649   // determine horizontal offset for leading text
10650   if (drawingarea_info[id].text_left != NULL)
10651     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10652
10653   UnmapDrawingArea(id);
10654
10655   ModifyEditorDrawingArea(id, num_elements, 1);
10656
10657   // delete content areas in case of reducing number of them
10658   DrawBackground(sx, sy,
10659                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10660                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10661
10662   MapDrawingArea(id);
10663 }
10664
10665 static void DrawMMBallContentArea(void)
10666 {
10667   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10668   int num_elements = level.num_mm_ball_contents;
10669   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10670   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10671   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10672   int xsize = MAX_MM_BALL_CONTENTS;
10673   int ysize = 1;
10674
10675   if (drawingarea_info[id].text_left != NULL)
10676     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10677
10678   UnmapDrawingArea(id);
10679
10680   ModifyEditorDrawingArea(id, num_elements, 1);
10681
10682   // delete content areas in case of reducing number of them
10683   DrawBackground(sx, sy,
10684                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10685                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10686
10687   MapDrawingArea(id);
10688 }
10689
10690 static void DrawEnvelopeTextArea(int envelope_nr)
10691 {
10692   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10693   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10694
10695   UnmapGadget(gi);
10696
10697   DrawBackground(gi->x, gi->y,
10698                  gi->textarea.crop_width, gi->textarea.crop_height);
10699
10700   if (envelope_nr != -1)
10701     textarea_info[id].value = level.envelope[envelope_nr].text;
10702
10703   ModifyGadget(gi, GDI_AREA_SIZE,
10704                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10705                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10706                GDI_END);
10707
10708   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10709 }
10710
10711 static void DrawPropertiesInfo(void)
10712 {
10713   static struct
10714   {
10715     int value;
10716     char *text;
10717   }
10718   properties[] =
10719   {
10720     // configurable properties
10721
10722     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10723     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10724     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10725     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10726     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10727     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10728     { EP_PROTECTED,             "- player is protected by it"           },
10729
10730     { EP_DIGGABLE,              "- can be digged away"                  },
10731     { EP_COLLECTIBLE,           "- can be collected"                    },
10732     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10733     { EP_THROWABLE,             "- can be thrown after collecting"      },
10734     { EP_PUSHABLE,              "- can be pushed"                       },
10735
10736     { EP_CAN_FALL,              "- can fall"                            },
10737     { EP_CAN_MOVE,              "- can move"                            },
10738
10739     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10740 #if 0
10741     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10742 #endif
10743     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10744
10745     { EP_SLIPPERY,              "- slippery for falling elements"       },
10746     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10747
10748     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10749     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10750     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10751     { EP_DONT_TOUCH,            "- deadly when touching"                },
10752
10753     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10754
10755     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10756     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10757     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10758
10759     { EP_CAN_CHANGE,            "- can change to other element"         },
10760
10761     // pre-defined properties
10762     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10763     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10764     { EP_SWITCHABLE,            "- can be switched"                     },
10765 #if 0
10766     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10767 #endif
10768
10769     { -1,                       NULL                                    }
10770   };
10771   char *filename = getElementDescriptionFilename(properties_element);
10772   char *num_elements_text = "In this level: ";
10773   char *num_similar_text = "Similar tiles: ";
10774   char *properties_text = "Standard properties: ";
10775   char *description_text = "Description:";
10776   char *no_description_text = "No description available.";
10777   char *none_text = "None";
10778   float percentage;
10779   int num_elements_in_level = 0;
10780   int num_similar_in_level = 0;
10781   int num_hires_tiles_in_level = 0;
10782   int num_standard_properties = 0;
10783   int font1_nr = FONT_TEXT_1;
10784   int font2_nr = FONT_TEXT_2;
10785   int font1_width = getFontWidth(font1_nr);
10786   int font1_height = getFontHeight(font1_nr);
10787   int font2_height = getFontHeight(font2_nr);
10788   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10789   int font2_yoffset = (font1_height - font2_height) / 2;
10790   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10791   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10792   int properties_text_len = strlen(properties_text) * font1_width;
10793   int xpos = ED_ELEMENT_SETTINGS_X(0);
10794   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10795   int i, x, y;
10796
10797   if (setup.editor.show_element_token)
10798   {
10799     int font3_nr = FONT_TEXT_3;
10800     int font3_height = getFontHeight(font3_nr);
10801
10802     DrawTextF(xpos, ypos, font3_nr,
10803               "[%s]", element_info[properties_element].token_name);
10804
10805     ypos += 2 * font3_height;
10806   }
10807
10808   // ----- print number of elements / percentage of this element in level
10809
10810   for (y = 0; y < lev_fieldy; y++)
10811   {
10812     for (x = 0; x < lev_fieldx; x++)
10813     {
10814       if (Tile[x][y] == properties_element)
10815       {
10816         num_elements_in_level++;
10817       }
10818       else if (IS_MM_WALL(Tile[x][y]) &&
10819                map_mm_wall_element(Tile[x][y]) == properties_element)
10820       {
10821         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10822       }
10823     }
10824   }
10825
10826   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10827
10828   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10829
10830   if (num_hires_tiles_in_level > 0)
10831     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10832               "%d wall tiles", num_hires_tiles_in_level);
10833   else if (num_elements_in_level > 0)
10834     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10835               "%d (%.2f %%)", num_elements_in_level, percentage);
10836   else
10837     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10838               none_text);
10839
10840   // ----- print number of similar elements / percentage of them in level
10841
10842   for (y = 0; y < lev_fieldy; y++)
10843   {
10844     for (x = 0; x < lev_fieldx; x++)
10845     {
10846       if (strEqual(element_info[Tile[x][y]].class_name,
10847                    element_info[properties_element].class_name))
10848       {
10849         num_similar_in_level++;
10850       }
10851     }
10852   }
10853
10854   if (num_similar_in_level != num_elements_in_level)
10855   {
10856     ypos += 1 * MAX(font1_height, font2_height);
10857
10858     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10859
10860     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10861
10862     if (num_similar_in_level > 0)
10863       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10864                 "%d (%.2f %%)", num_similar_in_level, percentage);
10865     else
10866       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10867                 none_text);
10868   }
10869
10870   ypos += 2 * MAX(font1_height, font2_height);
10871
10872   // ----- print standard properties of this element
10873
10874   DrawTextS(xpos, ypos, font1_nr, properties_text);
10875
10876   ypos += line1_height;
10877
10878   for (i = 0; properties[i].value != -1; i++)
10879   {
10880     if (!HAS_PROPERTY(properties_element, properties[i].value))
10881       continue;
10882
10883     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10884
10885     ypos += font2_height;
10886
10887     num_standard_properties++;
10888   }
10889
10890   if (num_standard_properties == 0)
10891   {
10892     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10893               font2_nr, none_text);
10894
10895     ypos -= (line1_height - font1_height);
10896   }
10897
10898   ypos += MAX(font1_height, font2_height);
10899
10900   // ----- print special description of this element
10901
10902   PrintInfoText(description_text, font1_nr, xpos, ypos);
10903
10904   ypos += line1_height;
10905
10906   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10907     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10908 }
10909
10910 #define TEXT_COLLECTING         "Score for collecting"
10911 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10912 #define TEXT_SMASHING           "Score for smashing"
10913 #define TEXT_SLURPING           "Score for slurping robot"
10914 #define TEXT_CRACKING           "Score for cracking"
10915 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10916 #define TEXT_AMOEBA_THRESHOED   "Size for turning to rocks"
10917 #define TEXT_AMOEBA_SLOW_TIME   "Slow growth time (seconds)"
10918 #define TEXT_AMOEBA_SLOW_RATE   "Slow growth rate (percent)"
10919 #define TEXT_AMOEBA_FAST_RATE   "Fast growth rate (percent)"
10920 #define TEXT_DURATION           "Duration when activated"
10921 #define TEXT_DELAY_ON           "Delay before activating"
10922 #define TEXT_DELAY_OFF          "Delay before deactivating"
10923 #define TEXT_DELAY_CHANGING     "Delay before changing"
10924 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10925 #define TEXT_DELAY_MOVING       "Delay before moving"
10926 #define TEXT_BALL_DELAY         "Element generation delay"
10927 #define TEXT_MOVE_SPEED         "Speed of android moving"
10928 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10929 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10930 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10931 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10932 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10933 #define TEXT_TIME_BONUS         "Extra time to solve level"
10934 #define TEXT_TIME_PENALTY       "Time penalty if destroyed"
10935 #define TEXT_PERMEABILITY_RATE  "slime permeability rate"
10936 #define TEXT_PERMEABILITY_BITS  "slime permeability bits"
10937 #define TEXT_RANDOM_SEED        "slime random number seed"
10938 #define TEXT_ACID_SPREAD_RATE   "Spread rate (percent)"
10939 #define TEXT_BITER_MOVE_DELAY   "Move delay (BD frames)"
10940 #define TEXT_REPLICATION_DELAY  "Create delay (BD frames)"
10941
10942 static struct
10943 {
10944   int element;
10945   int *value;
10946   char *text;
10947   int min_value;
10948   int max_value;
10949 } elements_with_counter[] =
10950 {
10951   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10952   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10953   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
10954   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10955   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10956   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10957   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
10958   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
10959   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
10960   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
10961   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
10962   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
10963   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
10964   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10965   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
10966   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
10967   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
10968   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
10969   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10970   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
10971   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
10972   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10973   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10974   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10975   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10976   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10977   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10978   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10979   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10980   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10981   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10982   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
10983   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10984   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10985   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10986   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10987   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10988   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
10989   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
10990   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
10991   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
10992   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
10993   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10994   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
10995   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
10996   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10997   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10998   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
10999   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11000   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11001   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11002   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11003   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11004   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11005   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11006   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11007   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11008   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11009   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11010   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11011   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11012   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11013   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11014   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11015   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11016   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11017   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11018   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11019   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11020   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11021   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11022   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11023   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11024   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11025   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11026   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11027   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11028   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11029   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11030   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11031   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11032   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11033   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11034                                 0, 100                                                          },
11035   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11036                                 0, 100                                                          },
11037   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11038   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11039   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11040                                 0, 100                                                          },
11041   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11042                                 0, 100                                                          },
11043   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11044   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11045   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11046   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11047   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11048   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11049   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11050   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11051   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11052   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11053   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11054                                 -100, 100                                                       },
11055   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11056                                 0, 100                                                          },
11057   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11058                                 0, 100                                                          },
11059   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11060                                 0, 255                                                          },
11061   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11062                                 -1, 65535                                                       },
11063   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11064                                 0, 100                                                          },
11065   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11066                                 0, 3                                                            },
11067   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11068                                 0, 3                                                            },
11069   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11070                                 0, 3                                                            },
11071   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11072                                 0, 3                                                            },
11073   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11074                                 0, 3                                                            },
11075   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11076                                 0, 100                                                          },
11077   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11078   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11079   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11080   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11081   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11082   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11083   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11084   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11085   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11086   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11087   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11088   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11089   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11090   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11091   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11092   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11093   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11094   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11095   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11096   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11097   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11098   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11099   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11100   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11101   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11102
11103   { -1,                         NULL,                                   NULL                    }
11104 };
11105
11106 static boolean checkPropertiesConfig(int element)
11107 {
11108   int i;
11109
11110   // special case: empty space customization only available in R'n'D game engine
11111   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11112     return FALSE;
11113
11114   // special case: BD style rock customization only available in BD game engine
11115   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11116     return FALSE;
11117
11118   if (IS_GEM(element) ||
11119       IS_CUSTOM_ELEMENT(element) ||
11120       IS_GROUP_ELEMENT(element) ||
11121       IS_EMPTY_ELEMENT(element) ||
11122       IS_BALLOON_ELEMENT(element) ||
11123       IS_ENVELOPE(element) ||
11124       IS_MM_ENVELOPE(element) ||
11125       IS_MM_MCDUFFIN(element) ||
11126       IS_DF_LASER(element) ||
11127       IS_PLAYER_ELEMENT(element) ||
11128       IS_BD_PLAYER_ELEMENT(element) ||
11129       IS_BD_EXPANDABLE_WALL(properties_element) ||
11130       IS_BD_CONVEYOR_BELT(properties_element) ||
11131       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11132       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11133       HAS_EDITOR_CONTENT(element) ||
11134       CAN_GROW(element) ||
11135       COULD_MOVE_INTO_ACID(element) ||
11136       MAYBE_DONT_COLLIDE_WITH(element) ||
11137       element == EL_BD_ROCK ||
11138       element == EL_BD_MEGA_ROCK ||
11139       element == EL_BD_SWEET ||
11140       element == EL_BD_VOODOO_DOLL)
11141   {
11142     return TRUE;
11143   }
11144   else
11145   {
11146     for (i = 0; elements_with_counter[i].element != -1; i++)
11147       if (elements_with_counter[i].element == element)
11148         return TRUE;
11149   }
11150
11151   return FALSE;
11152 }
11153
11154 static void SetAutomaticNumberOfGemsNeeded(void)
11155 {
11156   int x, y;
11157
11158   if (!level.auto_count_gems)
11159     return;
11160
11161   level.gems_needed = 0;
11162
11163   for (x = 0; x < lev_fieldx; x++)
11164   {
11165     for (y = 0; y < lev_fieldy; y++)
11166     {
11167       int element = Tile[x][y];
11168
11169       switch (element)
11170       {
11171         case EL_EMERALD:
11172         case EL_EMERALD_YELLOW:
11173         case EL_EMERALD_RED:
11174         case EL_EMERALD_PURPLE:
11175         case EL_BD_DIAMOND:
11176         case EL_WALL_EMERALD:
11177         case EL_WALL_EMERALD_YELLOW:
11178         case EL_WALL_EMERALD_RED:
11179         case EL_WALL_EMERALD_PURPLE:
11180         case EL_WALL_BD_DIAMOND:
11181         case EL_NUT:
11182         case EL_SP_INFOTRON:
11183         case EL_MM_KETTLE:
11184         case EL_DF_CELL:
11185           level.gems_needed++;
11186           break;
11187
11188         case EL_DIAMOND:
11189         case EL_WALL_DIAMOND:
11190           level.gems_needed += 3;
11191           break;
11192
11193         case EL_PEARL:
11194         case EL_WALL_PEARL:
11195           level.gems_needed += 5;
11196           break;
11197
11198         case EL_CRYSTAL:
11199         case EL_WALL_CRYSTAL:
11200           level.gems_needed += 8;
11201           break;
11202
11203         default:
11204           break;
11205       }
11206     }
11207   }
11208
11209   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11210 }
11211
11212 static void DrawPropertiesConfig(void)
11213 {
11214   boolean draw_footer_line = FALSE;
11215   int max_num_element_counters = 4;
11216   int num_element_counters = 0;
11217   int i;
11218
11219   if (!checkPropertiesConfig(properties_element))
11220   {
11221     int xpos = ED_ELEMENT_SETTINGS_X(0);
11222     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11223
11224     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11225
11226     return;
11227   }
11228
11229   // check if there are elements where a value can be chosen for
11230   for (i = 0; elements_with_counter[i].element != -1; i++)
11231   {
11232     if (elements_with_counter[i].element != properties_element)
11233       continue;
11234
11235     // special case: score for extra diamonds only available in BD game engine
11236     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11237         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11238         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11239       continue;
11240
11241     // special case: some amoeba counters only available in BD game engine
11242     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11243         elements_with_counter[i].value != &level.amoeba_speed &&
11244         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11245       continue;
11246
11247     // special case: some amoeba counters only available in R'n'D game engine
11248     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11249         elements_with_counter[i].value == &level.amoeba_speed &&
11250         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11251       continue;
11252
11253     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11254
11255     counterbutton_info[counter_id].y =
11256       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11257                                (CAN_GROW(properties_element)                ? 1 : 0) +
11258                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11259                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11260                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11261                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11262                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11263                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11264                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11265                                num_element_counters);
11266
11267     // special case: set amoeba counters for BD game engine separately
11268     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11269         (properties_element == EL_BD_AMOEBA_2))
11270       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11271
11272     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11273     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11274     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11275     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11276
11277     // default: counter values between 0 and 999
11278     if (counterbutton_info[counter_id].max_value == 0)
11279       counterbutton_info[counter_id].max_value = 999;
11280
11281     MapCounterButtons(counter_id);
11282
11283     num_element_counters++;
11284     if (num_element_counters >= max_num_element_counters)
11285       break;
11286   }
11287
11288   if (HAS_EDITOR_CONTENT(properties_element))
11289   {
11290     // draw stickybutton gadget
11291     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11292
11293     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11294     {
11295       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11296       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11297
11298       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11299       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11300     }
11301     else if (properties_element == EL_BD_AMOEBA_2)
11302     {
11303       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11304       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11305       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11306
11307       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11308       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11309       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11310       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11311     }
11312     else if (IS_AMOEBOID(properties_element))
11313       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11314     else if (properties_element == EL_BD_ACID)
11315     {
11316       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11317       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11318     }
11319     else if (IS_BD_BITER(properties_element))
11320     {
11321       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11322     }
11323     else if (properties_element == EL_BD_BLADDER)
11324     {
11325       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11326     }
11327     else if (properties_element == EL_YAMYAM ||
11328              properties_element == EL_YAMYAM_LEFT ||
11329              properties_element == EL_YAMYAM_RIGHT ||
11330              properties_element == EL_YAMYAM_UP ||
11331              properties_element == EL_YAMYAM_DOWN)
11332       DrawYamYamContentAreas();
11333     else if (properties_element == EL_EMC_MAGIC_BALL)
11334     {
11335       DrawMagicBallContentAreas();
11336
11337       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11338       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11339     }
11340     else if (properties_element == EL_EMC_ANDROID)
11341       DrawAndroidElementArea();
11342     else if (properties_element == EL_MM_GRAY_BALL)
11343     {
11344       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11345       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11346       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11347       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11348
11349       DrawMMBallContentArea();
11350     }
11351   }
11352
11353   if (IS_PLAYER_ELEMENT(properties_element))
11354   {
11355     int player_nr = GET_PLAYER_NR(properties_element);
11356
11357     // these properties can be set for every player individually
11358
11359     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11360     {
11361       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11362         &level.start_element[player_nr];
11363       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11364         &level.artwork_element[player_nr];
11365       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11366         &level.explosion_element[player_nr];
11367
11368       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11369         &level.use_start_element[player_nr];
11370       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11371         &level.use_artwork_element[player_nr];
11372       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11373         &level.use_explosion_element[player_nr];
11374       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11375         &level.initial_player_gravity[player_nr];
11376
11377       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11378         &level.initial_player_stepsize[player_nr];
11379
11380       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11381       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11382                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11383                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11384       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11385       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11386       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11387       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11388       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11389       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11390       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11391       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11392       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11393       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11394       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11395
11396       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11397       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11398       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11399
11400       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11401     }
11402     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11403     {
11404       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11405         &level.initial_inventory_content[player_nr][0];
11406
11407       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11408         &level.initial_inventory_size[player_nr];
11409
11410       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11411         &level.use_initial_inventory[player_nr];
11412
11413       // draw checkbutton gadgets
11414       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11415       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11416       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11417
11418       // draw counter gadgets
11419       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11420
11421       // draw drawing area gadgets
11422       DrawPlayerInitialInventoryArea(properties_element);
11423     }
11424   }
11425
11426   if (IS_BD_PLAYER_ELEMENT(properties_element))
11427   {
11428     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11429       ED_ELEMENT_SETTINGS_YPOS(2);
11430     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11431       ED_ELEMENT_SETTINGS_YPOS(3);
11432     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11433       ED_ELEMENT_SETTINGS_YPOS(4);
11434
11435     // draw checkbutton gadgets
11436     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11437     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11438     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11439
11440     // draw counter gadgets
11441     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11442     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11443
11444     // draw drawing area gadgets
11445     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11446   }
11447
11448   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11449   {
11450     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11451       ED_ELEMENT_SETTINGS_YPOS(0);
11452     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11453       ED_ELEMENT_SETTINGS_YPOS(1);
11454
11455     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11456     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11457   }
11458
11459   if (properties_element == EL_BD_MEGA_ROCK ||
11460       properties_element == EL_BD_SWEET)
11461   {
11462     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11463       ED_ELEMENT_SETTINGS_YPOS(0);
11464     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11465       ED_ELEMENT_SETTINGS_YPOS(1);
11466
11467     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11468     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11469   }
11470
11471   if (properties_element == EL_BD_VOODOO_DOLL)
11472   {
11473     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11474     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11475     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11476     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11477   }
11478
11479   if (properties_element == EL_BD_SLIME)
11480   {
11481     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11482   }
11483
11484   if (properties_element == EL_BD_MAGIC_WALL)
11485   {
11486     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11487     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11488   }
11489
11490   if (IS_BD_EXPANDABLE_WALL(properties_element))
11491   {
11492     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11493   }
11494
11495   if (properties_element == EL_BD_REPLICATOR)
11496   {
11497     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11498   }
11499
11500   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11501       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11502   {
11503     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11504     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11505   }
11506
11507   // special case: slippery walls option for gems only available in R'n'D game engine
11508   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11509     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11510
11511   if (properties_element == EL_EM_DYNAMITE)
11512     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11513
11514   if (COULD_MOVE_INTO_ACID(properties_element) &&
11515       !IS_PLAYER_ELEMENT(properties_element) &&
11516       (!IS_CUSTOM_ELEMENT(properties_element) ||
11517        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11518   {
11519     // set position for checkbutton for "can move into acid"
11520     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11521       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11522     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11523       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11524                                IS_BALLOON_ELEMENT(properties_element) ||
11525                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11526
11527     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11528   }
11529
11530   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11531     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11532
11533   if (properties_element == EL_SPRING ||
11534       properties_element == EL_SPRING_LEFT ||
11535       properties_element == EL_SPRING_RIGHT)
11536     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11537
11538   if (properties_element == EL_TIME_ORB_FULL)
11539     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11540
11541   if (properties_element == EL_GAME_OF_LIFE ||
11542       properties_element == EL_BIOMAZE)
11543     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11544
11545   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11546   {
11547     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11548       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11549
11550     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11551   }
11552
11553   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11554     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11555
11556   if (properties_element == EL_SOKOBAN_OBJECT)
11557     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11558
11559   if (properties_element == EL_SOKOBAN_OBJECT ||
11560       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11561       properties_element == EL_SOKOBAN_FIELD_FULL)
11562   {
11563     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11564       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11565                                0 : 1);
11566
11567     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11568   }
11569
11570   if (IS_BALLOON_ELEMENT(properties_element))
11571     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11572
11573   if (IS_ENVELOPE(properties_element) ||
11574       IS_MM_ENVELOPE(properties_element))
11575   {
11576     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11577     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11578     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11579     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11580     int envelope_nr = ENVELOPE_NR(properties_element);
11581
11582     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11583     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11584
11585     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11586     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11587
11588     // display counter to choose size of envelope text area
11589     MapCounterButtons(counter1_id);
11590     MapCounterButtons(counter2_id);
11591
11592     // display checkbuttons to choose auto-wrap and alignment properties
11593     MapCheckbuttonGadget(button1_id);
11594     MapCheckbuttonGadget(button2_id);
11595
11596     DrawEnvelopeTextArea(envelope_nr);
11597   }
11598
11599   if (IS_MM_MCDUFFIN(properties_element))
11600   {
11601     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11602     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11603     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11604   }
11605
11606   if (IS_DF_LASER(properties_element))
11607   {
11608     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11609     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11610     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11611   }
11612
11613   if (IS_CUSTOM_ELEMENT(properties_element))
11614   {
11615     // draw stickybutton gadget
11616     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11617
11618     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11619     {
11620       // draw checkbutton gadgets
11621       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11622            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11623         MapCheckbuttonGadget(i);
11624
11625       // draw counter gadgets
11626       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11627            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11628         MapCounterButtons(i);
11629
11630       // draw selectbox gadgets
11631       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11632            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11633         MapSelectboxGadget(i);
11634
11635       // draw textbutton gadgets
11636       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11637
11638       // draw text input gadgets
11639       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11640
11641       // draw drawing area gadgets
11642       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11643
11644       draw_footer_line = TRUE;
11645     }
11646     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11647     {
11648       // draw checkbutton gadgets
11649       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11650            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11651         MapCheckbuttonGadget(i);
11652
11653       // draw counter gadgets
11654       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11655            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11656         MapCounterButtons(i);
11657
11658       // draw selectbox gadgets
11659       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11660            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11661         MapSelectboxGadget(i);
11662
11663       // draw drawing area gadgets
11664       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11665       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11666       DrawCustomContentArea();
11667     }
11668   }
11669   else if (IS_GROUP_ELEMENT(properties_element))
11670   {
11671     // draw stickybutton gadget
11672     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11673
11674     // draw checkbutton gadgets
11675     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11676     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11677
11678     // draw counter gadgets
11679     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11680
11681     // draw selectbox gadgets
11682     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11683
11684     // draw textbutton gadgets
11685     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11686
11687     // draw drawing area gadgets
11688     DrawGroupElementArea();
11689
11690     // draw text input gadgets
11691     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11692
11693     // draw drawing area gadgets
11694     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11695
11696     draw_footer_line = TRUE;
11697   }
11698   else if (IS_EMPTY_ELEMENT(properties_element))
11699   {
11700     // draw stickybutton gadget
11701     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11702
11703     // draw checkbutton gadgets
11704     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11705     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11706
11707     // draw textbutton gadgets
11708     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11709
11710     // draw drawing area gadgets
11711     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11712
11713     draw_footer_line = TRUE;
11714   }
11715
11716   // draw little footer border line above CE/GE use/save template gadgets
11717   if (draw_footer_line)
11718   {
11719     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11720     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11721     int gd_x = gd->x + gd_gi1->border.width / 2;
11722     int gd_y = gd->y + gd_gi1->height - 1;
11723     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11724
11725     if (tab_color != BLACK_PIXEL)               // black => transparent
11726       FillRectangle(drawto,
11727                     SX + ED_ELEMENT_SETTINGS_X(0),
11728                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11729                     ED_TAB_BAR_HEIGHT,
11730                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11731   }
11732 }
11733
11734 static void DrawPropertiesChangeDrawingAreas(void)
11735 {
11736   if (IS_CUSTOM_ELEMENT(properties_element))
11737   {
11738     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11739     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11740     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11741
11742     DrawCustomChangeContentArea();
11743   }
11744
11745   redraw_mask |= REDRAW_FIELD;
11746 }
11747
11748 static void DrawPropertiesChange(void)
11749 {
11750   int i;
11751
11752   // needed to initially set selectbox options for special action options
11753   setSelectboxSpecialActionOptions();
11754
11755   // draw stickybutton gadget
11756   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11757
11758   // draw checkbutton gadgets
11759   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11760        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11761     MapCheckbuttonGadget(i);
11762
11763   // draw counter gadgets
11764   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11765        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11766     MapCounterButtons(i);
11767
11768   // draw selectbox gadgets
11769   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11770        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11771     MapSelectboxGadget(i);
11772
11773   // draw textbutton gadgets
11774   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11775        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11776     MapTextbuttonGadget(i);
11777
11778   // draw graphicbutton gadgets
11779   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11780        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11781     MapGraphicbuttonGadget(i);
11782
11783   // draw drawing area gadgets
11784   DrawPropertiesChangeDrawingAreas();
11785 }
11786
11787 static void DrawEditorElementAnimation(int x, int y)
11788 {
11789   int graphic = el2img(properties_element);
11790   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11791                custom_element.ce_value_fixed_initial :
11792                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11793                custom_element.collect_score_initial : FrameCounter);
11794
11795   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11796 }
11797
11798 static void DrawEditorElementName(int x, int y, int font_nr)
11799 {
11800   char *element_name = getElementInfoText(properties_element);
11801   int font_width = getFontWidth(font_nr);
11802   int font_height = getFontHeight(font_nr);
11803   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11804   int max_chars_per_line = max_text_width / font_width;
11805
11806   if (strlen(element_name) <= max_chars_per_line)
11807     DrawTextS(x, y, font_nr, element_name);
11808   else
11809   {
11810     char buffer[max_chars_per_line + 1];
11811     int next_pos = max_chars_per_line;
11812
11813     strncpy(buffer, element_name, max_chars_per_line);
11814     buffer[max_chars_per_line] = '\0';
11815
11816     if (element_name[max_chars_per_line] == ' ')
11817       next_pos++;
11818     else
11819     {
11820       int i;
11821
11822       for (i = max_chars_per_line - 1; i >= 0; i--)
11823         if (buffer[i] == ' ')
11824           break;
11825
11826       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11827       {
11828         buffer[i] = '\0';
11829         next_pos = i + 1;
11830       }
11831     }
11832
11833     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11834
11835     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11836     buffer[max_chars_per_line] = '\0';
11837
11838     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11839   }
11840 }
11841
11842 static void DrawPropertiesWindow(void)
11843 {
11844   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11845   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11846   int border_size = gd->border_size;
11847   int font_nr = FONT_TEXT_1;
11848   int font_height = getFontHeight(font_nr);
11849   int xoffset = TILEX + element_border + 3 * border_size;
11850   int yoffset = (TILEY - font_height) / 2;
11851   int x1 = editor.settings.element_graphic.x + element_border;
11852   int y1 = editor.settings.element_graphic.y + element_border;
11853   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11854             editor.settings.element_name.x);
11855   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11856             editor.settings.element_name.y);
11857   char *text = "Element Settings";
11858   int font2_nr = FONT_TITLE_1;
11859   struct MenuPosInfo *pos = &editor.settings.headline;
11860   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11861   int sy = SY + pos->y;
11862
11863   stick_element_properties_window = FALSE;
11864
11865   // make sure that previous properties edit mode exists for this element
11866   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11867       !IS_CUSTOM_ELEMENT(properties_element))
11868     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11869
11870   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11871       !IS_PLAYER_ELEMENT(properties_element) &&
11872       !IS_CUSTOM_ELEMENT(properties_element))
11873     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11874
11875   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11876       (IS_PLAYER_ELEMENT(properties_element) ||
11877        IS_CUSTOM_ELEMENT(properties_element)))
11878     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11879
11880   CopyElementPropertiesToEditor(properties_element);
11881
11882   UnmapLevelEditorFieldGadgets();
11883   UnmapLevelEditorToolboxDrawingGadgets();
11884   UnmapLevelEditorToolboxCustomGadgets();
11885
11886   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11887
11888   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11889   ClearField();
11890
11891   DrawText(sx, sy, text, font2_nr);
11892
11893   FrameCounter = 0;     // restart animation frame counter
11894
11895   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11896   DrawEditorElementAnimation(SX + x1, SY + y1);
11897   DrawEditorElementName(x2, y2, font_nr);
11898
11899   DrawPropertiesTabulatorGadgets();
11900
11901   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11902     DrawPropertiesInfo();
11903   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11904     DrawPropertiesChange();
11905   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11906     DrawPropertiesConfig();
11907 }
11908
11909 static void DrawPaletteWindow(void)
11910 {
11911   int i;
11912
11913   UnmapLevelEditorFieldGadgets();
11914
11915   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11916   ClearField();
11917
11918   // map buttons to select elements
11919   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11920     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11921   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11922   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11923   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11924 }
11925
11926 static void UpdateCustomElementGraphicGadgets(void)
11927 {
11928   int i;
11929
11930   InitElementPropertiesGfxElement();
11931
11932   ModifyEditorElementList();
11933   RedrawDrawingElements();
11934
11935   // force redraw of all mapped drawing area gadgets
11936   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11937   {
11938     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11939
11940     if (gi->mapped)
11941       MapDrawingArea(i);
11942   }
11943 }
11944
11945 static int getOpenDirectionFromTube(int element)
11946 {
11947   switch (element)
11948   {
11949     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11950     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11951     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11952     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11953     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11954     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11955     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11956     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11957     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11958     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11959     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11960   }
11961
11962   return MV_NONE;
11963 }
11964
11965 static int getTubeFromOpenDirection(int direction)
11966 {
11967   switch (direction)
11968   {
11969     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11970     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11971     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11972     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11973     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11974     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11975     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11976     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11977     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11978     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11979     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11980
11981     // if only one direction, fall back to simple tube with that direction
11982     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11983     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11984     case (MV_UP):                       return EL_TUBE_VERTICAL;
11985     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11986   }
11987
11988   return EL_EMPTY;
11989 }
11990
11991 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11992 {
11993   int element_new = getTubeFromOpenDirection(direction);
11994
11995   return (element_new != EL_EMPTY ? element_new : element_old);
11996 }
11997
11998 static int getOpenDirectionFromBelt(int element)
11999 {
12000   int belt_dir = getBeltDirFromBeltElement(element);
12001
12002   return (belt_dir == MV_LEFT ? MV_RIGHT :
12003           belt_dir == MV_RIGHT ? MV_LEFT :
12004           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12005 }
12006
12007 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12008 {
12009   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12010                   direction == MV_RIGHT ? MV_LEFT :
12011                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12012
12013   if (direction == MV_NONE)
12014     return EL_EMPTY;
12015
12016   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12017 }
12018
12019 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12020                                                  int element_old)
12021 {
12022   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12023
12024   return (element_new != EL_EMPTY ? element_new : element_old);
12025 }
12026
12027 static int getOpenDirectionFromPool(int element)
12028 {
12029   switch (element)
12030   {
12031     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12032     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12033     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12034     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12035     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12036     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12037   }
12038
12039   return MV_NONE;
12040 }
12041
12042 static int getPoolFromOpenDirection(int direction)
12043 {
12044   switch (direction)
12045   {
12046     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12047     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12048     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12049     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12050     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12051     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12052   }
12053
12054   return EL_EMPTY;
12055 }
12056
12057 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12058 {
12059   int element = getPoolFromOpenDirection(direction);
12060   int help_direction = getOpenDirectionFromPool(help_element);
12061
12062   if (element == EL_EMPTY)
12063   {
12064     int help_direction_vertical = help_direction & MV_VERTICAL;
12065
12066     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12067   }
12068
12069   if (element == EL_EMPTY)
12070   {
12071     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12072
12073     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12074   }
12075
12076   return element;
12077 }
12078
12079 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12080 {
12081   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12082
12083   return (element_new != EL_EMPTY ? element_new : element_old);
12084 }
12085
12086 static int getOpenDirectionFromPillar(int element)
12087 {
12088   switch (element)
12089   {
12090     case EL_EMC_WALL_1:                 return (MV_DOWN);
12091     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12092     case EL_EMC_WALL_3:                 return (MV_UP);
12093   }
12094
12095   return MV_NONE;
12096 }
12097
12098 static int getPillarFromOpenDirection(int direction)
12099 {
12100   switch (direction)
12101   {
12102     case (MV_DOWN):                     return EL_EMC_WALL_1;
12103     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12104     case (MV_UP):                       return EL_EMC_WALL_3;
12105   }
12106
12107   return EL_EMPTY;
12108 }
12109
12110 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12111 {
12112   int element_new = getPillarFromOpenDirection(direction);
12113
12114   return (element_new != EL_EMPTY ? element_new : element_old);
12115 }
12116
12117 static int getOpenDirectionFromSteel2(int element)
12118 {
12119   switch (element)
12120   {
12121     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12122     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12123     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12124     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12125     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12126     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12127     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12128     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12129   }
12130
12131   return MV_NONE;
12132 }
12133
12134 static int getSteel2FromOpenDirection(int direction)
12135 {
12136   switch (direction)
12137   {
12138     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12139     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12140     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12141     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12142     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12143     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12144     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12145     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12146   }
12147
12148   return EL_EMPTY;
12149 }
12150
12151 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12152 {
12153   int element_new = getSteel2FromOpenDirection(direction);
12154
12155   return (element_new != EL_EMPTY ? element_new : element_old);
12156 }
12157
12158 static int getOpenDirectionFromChip(int element)
12159 {
12160   switch (element)
12161   {
12162     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12163     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12164     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12165     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12166     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12167   }
12168
12169   return MV_NONE;
12170 }
12171
12172 static int getChipFromOpenDirection(int direction)
12173 {
12174   switch (direction)
12175   {
12176     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12177     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12178     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12179     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12180     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12181   }
12182
12183   return EL_EMPTY;
12184 }
12185
12186 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12187 {
12188   int element_new = getChipFromOpenDirection(direction);
12189
12190   return (element_new != EL_EMPTY ? element_new : element_old);
12191 }
12192
12193 static int getClosedTube(int x, int y)
12194 {
12195   struct XY *xy = xy_directions;
12196   int element_old = IntelliDrawBuffer[x][y];
12197   int direction_old = getOpenDirectionFromTube(element_old);
12198   int direction_new = MV_NONE;
12199   int i;
12200
12201   for (i = 0; i < NUM_DIRECTIONS; i++)
12202   {
12203     int xx = x + xy[i].x;
12204     int yy = y + xy[i].y;
12205     int dir = MV_DIR_FROM_BIT(i);
12206     int dir_opposite = MV_DIR_OPPOSITE(dir);
12207
12208     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12209         (direction_old & dir) &&
12210         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12211       direction_new |= dir;
12212   }
12213
12214   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12215 }
12216
12217 static int getClosedBelt(int x, int y)
12218 {
12219   struct XY *xy = xy_directions;
12220   int element_old = IntelliDrawBuffer[x][y];
12221   int nr = getBeltNrFromBeltElement(element_old);
12222   int direction_old = getOpenDirectionFromBelt(element_old);
12223   int direction_new = MV_NONE;
12224   int i;
12225
12226   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12227   {
12228     int xx = x + xy[i].x;
12229     int yy = y + xy[i].y;
12230     int dir = MV_DIR_FROM_BIT(i);
12231     int dir_opposite = MV_DIR_OPPOSITE(dir);
12232
12233     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12234         (direction_old & dir) &&
12235         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12236       direction_new |= dir;
12237   }
12238
12239   return getBeltFromNrAndOpenDirection(nr, direction_new);
12240 }
12241
12242 static int getClosedPool(int x, int y)
12243 {
12244   struct XY *xy = xy_directions;
12245   int element_old = IntelliDrawBuffer[x][y];
12246   int direction_old = getOpenDirectionFromPool(element_old);
12247   int direction_new = MV_NONE;
12248   int i;
12249
12250   for (i = 0; i < NUM_DIRECTIONS; i++)
12251   {
12252     int xx = x + xy[i].x;
12253     int yy = y + xy[i].y;
12254     int dir = MV_DIR_FROM_BIT(i);
12255     int dir_opposite = MV_DIR_OPPOSITE(dir);
12256
12257     if (IN_LEV_FIELD(xx, yy) &&
12258         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12259         (direction_old & dir) &&
12260         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12261       direction_new |= dir;
12262   }
12263
12264   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12265 }
12266
12267 static int getClosedPillar(int x, int y)
12268 {
12269   struct XY *xy = xy_directions;
12270   int element_old = IntelliDrawBuffer[x][y];
12271   int direction_old = getOpenDirectionFromPillar(element_old);
12272   int direction_new = MV_NONE;
12273   int i;
12274
12275   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12276   {
12277     int xx = x + xy[i].x;
12278     int yy = y + xy[i].y;
12279     int dir = MV_DIR_FROM_BIT(i);
12280     int dir_opposite = MV_DIR_OPPOSITE(dir);
12281
12282     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12283         (direction_old & dir) &&
12284         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12285       direction_new |= dir;
12286   }
12287
12288   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12289 }
12290
12291 static int getClosedSteel2(int x, int y)
12292 {
12293   struct XY *xy = xy_directions;
12294   int element_old = IntelliDrawBuffer[x][y];
12295   int direction_old = getOpenDirectionFromSteel2(element_old);
12296   int direction_new = MV_NONE;
12297   int i;
12298
12299   for (i = 0; i < NUM_DIRECTIONS; i++)
12300   {
12301     int xx = x + xy[i].x;
12302     int yy = y + xy[i].y;
12303     int dir = MV_DIR_FROM_BIT(i);
12304     int dir_opposite = MV_DIR_OPPOSITE(dir);
12305
12306     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12307         (direction_old & dir) &&
12308         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12309       direction_new |= dir;
12310   }
12311
12312   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12313 }
12314
12315 static int getClosedChip(int x, int y)
12316 {
12317   struct XY *xy = xy_directions;
12318   int element_old = IntelliDrawBuffer[x][y];
12319   int direction_old = getOpenDirectionFromChip(element_old);
12320   int direction_new = MV_NONE;
12321   int i;
12322
12323   for (i = 0; i < NUM_DIRECTIONS; i++)
12324   {
12325     int xx = x + xy[i].x;
12326     int yy = y + xy[i].y;
12327     int dir = MV_DIR_FROM_BIT(i);
12328     int dir_opposite = MV_DIR_OPPOSITE(dir);
12329
12330     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12331         (direction_old & dir) &&
12332         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12333       direction_new |= dir;
12334   }
12335
12336   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12337 }
12338
12339 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12340                                 boolean change_level)
12341 {
12342   int sx = x - level_xpos;
12343   int sy = y - level_ypos;
12344   int old_element = Tile[x][y];
12345   int new_element = element;
12346   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12347   boolean draw_masked = FALSE;
12348
12349   if (IS_MM_WALL_EDITOR(element))
12350   {
12351     element = map_mm_wall_element_editor(element) | new_bitmask;
12352
12353     if (IS_MM_WALL(old_element))
12354       element |= MM_WALL_BITS(old_element);
12355
12356     if (!change_level)
12357       draw_masked = TRUE;
12358   }
12359   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12360   {
12361     int element_changed = old_element & ~new_bitmask;
12362
12363     if (MM_WALL_BITS(element_changed) != 0)
12364       element = element_changed;
12365   }
12366
12367   IntelliDrawBuffer[x][y] = element;
12368
12369   if (change_level)
12370     Tile[x][y] = element;
12371
12372   if (IN_ED_FIELD(sx, sy))
12373   {
12374     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12375       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12376     else if (draw_masked)
12377       DrawEditorElementThruMask(sx, sy, element);
12378     else
12379       DrawEditorElement(sx, sy, element);
12380   }
12381 }
12382
12383 static void SetElementSimple(int x, int y, int element, boolean change_level)
12384 {
12385   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12386 }
12387
12388 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12389                                            int x2, int y2, int *element2,
12390                                            int (*close_function)(int, int),
12391                                            boolean change_level)
12392 {
12393   // set neighbour elements to newly determined connections
12394   SetElementSimple(x1, y1, *element1, change_level);
12395   SetElementSimple(x2, y2, *element2, change_level);
12396
12397   // remove all open connections of neighbour elements
12398   *element1 = close_function(x1, y1);
12399   *element2 = close_function(x2, y2);
12400
12401   // set neighbour elements to new, minimized connections
12402   SetElementSimple(x1, y1, *element1, change_level);
12403   SetElementSimple(x2, y2, *element2, change_level);
12404 }
12405
12406 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12407                                   boolean change_level, int button)
12408 {
12409   struct XY *xy = xy_directions;
12410   static int last_x = -1;
12411   static int last_y = -1;
12412
12413   if (new_element == EL_UNDEFINED)
12414   {
12415     last_x = -1;
12416     last_y = -1;
12417
12418     return;
12419   }
12420
12421   int old_element = IntelliDrawBuffer[x][y];
12422
12423   if (IS_TUBE(new_element))
12424   {
12425     int last_element_new = EL_UNDEFINED;
12426     int direction = MV_NONE;
12427     int i;
12428
12429     // if old element is of same kind, keep all existing directions
12430     if (IS_TUBE(old_element))
12431       direction |= getOpenDirectionFromTube(old_element);
12432
12433     for (i = 0; i < NUM_DIRECTIONS; i++)
12434     {
12435       int xx = x + xy[i].x;
12436       int yy = y + xy[i].y;
12437
12438       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12439           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12440       {
12441         int dir = MV_DIR_FROM_BIT(i);
12442         int dir_opposite = MV_DIR_OPPOSITE(dir);
12443         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12444         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12445         int last_direction_new = last_direction_old | dir_opposite;
12446
12447         last_element_new = getTubeFromOpenDirection(last_direction_new);
12448
12449         direction |= dir;
12450       }
12451     }
12452
12453     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12454
12455     if (last_element_new != EL_UNDEFINED)
12456       MergeAndCloseNeighbourElements(x, y, &new_element,
12457                                      last_x, last_y, &last_element_new,
12458                                      getClosedTube, change_level);
12459   }
12460   else if (IS_BELT(new_element))
12461   {
12462     int belt_nr = getBeltNrFromBeltElement(new_element);
12463     int last_element_new = EL_UNDEFINED;
12464     int direction = MV_NONE;
12465     int i;
12466
12467     // if old element is of same kind, keep all existing directions
12468     if (IS_BELT(old_element))
12469       direction |= getOpenDirectionFromBelt(old_element);
12470
12471     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12472     {
12473       int xx = x + xy[i].x;
12474       int yy = y + xy[i].y;
12475
12476       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12477           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12478       {
12479         int dir = MV_DIR_FROM_BIT(i);
12480         int dir_opposite = MV_DIR_OPPOSITE(dir);
12481         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12482         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12483         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12484         int last_direction_new = last_direction_old | dir_opposite;
12485
12486         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12487                                                          last_direction_new);
12488         direction |= dir;
12489       }
12490     }
12491
12492     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12493                                                         new_element);
12494     if (last_element_new != EL_UNDEFINED)
12495       MergeAndCloseNeighbourElements(x, y, &new_element,
12496                                      last_x, last_y, &last_element_new,
12497                                      getClosedBelt, change_level);
12498   }
12499   else if (IS_ACID_POOL_OR_ACID(new_element))
12500   {
12501     int last_element_new = EL_UNDEFINED;
12502     int direction = MV_NONE;
12503     int i;
12504
12505     // if old element is of same kind, keep all existing directions
12506     if (IS_ACID_POOL_OR_ACID(old_element))
12507       direction |= getOpenDirectionFromPool(old_element);
12508
12509     for (i = 0; i < NUM_DIRECTIONS; i++)
12510     {
12511       int xx = x + xy[i].x;
12512       int yy = y + xy[i].y;
12513
12514       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12515           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12516       {
12517         int dir = MV_DIR_FROM_BIT(i);
12518         int dir_opposite = MV_DIR_OPPOSITE(dir);
12519         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12520         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12521         int last_direction_new = last_direction_old | dir_opposite;
12522
12523         last_element_new = getPoolFromOpenDirection(last_direction_new);
12524
12525         direction |= dir;
12526       }
12527     }
12528
12529     // special corrections needed for intuitively correct acid pool drawing
12530     if (last_element_new == EL_EMPTY)
12531       last_element_new = new_element;
12532     else if (last_element_new != EL_UNDEFINED)
12533       new_element = last_element_new;
12534
12535     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12536
12537     if (last_element_new != EL_UNDEFINED)
12538       MergeAndCloseNeighbourElements(x, y, &new_element,
12539                                      last_x, last_y, &last_element_new,
12540                                      getClosedPool, change_level);
12541   }
12542   else if (IS_EMC_PILLAR(new_element))
12543   {
12544     int last_element_new = EL_UNDEFINED;
12545     int direction = MV_NONE;
12546     int i;
12547
12548     // if old element is of same kind, keep all existing directions
12549     if (IS_EMC_PILLAR(old_element))
12550       direction |= getOpenDirectionFromPillar(old_element);
12551
12552     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12553     {
12554       int xx = x + xy[i].x;
12555       int yy = y + xy[i].y;
12556
12557       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12558           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12559       {
12560         int dir = MV_DIR_FROM_BIT(i);
12561         int dir_opposite = MV_DIR_OPPOSITE(dir);
12562         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12563         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12564         int last_direction_new = last_direction_old | dir_opposite;
12565
12566         last_element_new = getPillarFromOpenDirection(last_direction_new);
12567
12568         direction |= dir;
12569       }
12570     }
12571
12572     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12573
12574     if (last_element_new != EL_UNDEFINED)
12575       MergeAndCloseNeighbourElements(x, y, &new_element,
12576                                      last_x, last_y, &last_element_new,
12577                                      getClosedPillar, change_level);
12578   }
12579   else if (IS_DC_STEELWALL_2(new_element))
12580   {
12581     int last_element_new = EL_UNDEFINED;
12582     int direction = MV_NONE;
12583     int i;
12584
12585     // if old element is of same kind, keep all existing directions
12586     if (IS_DC_STEELWALL_2(old_element))
12587       direction |= getOpenDirectionFromSteel2(old_element);
12588
12589     for (i = 0; i < NUM_DIRECTIONS; i++)
12590     {
12591       int xx = x + xy[i].x;
12592       int yy = y + xy[i].y;
12593
12594       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12595           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12596       {
12597         int dir = MV_DIR_FROM_BIT(i);
12598         int dir_opposite = MV_DIR_OPPOSITE(dir);
12599         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12600         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12601         int last_direction_new = last_direction_old | dir_opposite;
12602
12603         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12604
12605         direction |= dir;
12606       }
12607     }
12608
12609     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12610
12611     if (last_element_new != EL_UNDEFINED)
12612       MergeAndCloseNeighbourElements(x, y, &new_element,
12613                                      last_x, last_y, &last_element_new,
12614                                      getClosedSteel2, change_level);
12615   }
12616   else if (IS_SP_CHIP(new_element))
12617   {
12618     int last_element_new = EL_UNDEFINED;
12619     int direction = MV_NONE;
12620     int i;
12621
12622     // (do not keep existing directions, regardless of kind of old element)
12623
12624     for (i = 0; i < NUM_DIRECTIONS; i++)
12625     {
12626       int xx = x + xy[i].x;
12627       int yy = y + xy[i].y;
12628
12629       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12630           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12631       {
12632         int dir = MV_DIR_FROM_BIT(i);
12633         int dir_opposite = MV_DIR_OPPOSITE(dir);
12634         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12635         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12636         int last_direction_new = last_direction_old | dir_opposite;
12637
12638         if (last_direction_old == MV_NONE)
12639         {
12640           last_element_new = getChipFromOpenDirection(last_direction_new);
12641           direction |= dir;
12642         }
12643         else if (last_direction_old & (dir | dir_opposite))
12644         {
12645           direction |= MV_DIR_OPPOSITE(last_direction_old);
12646         }
12647         else
12648         {
12649           direction |= MV_DIR_OPPOSITE(dir);
12650         }
12651       }
12652     }
12653
12654     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12655
12656     if (last_element_new != EL_UNDEFINED)
12657       MergeAndCloseNeighbourElements(x, y, &new_element,
12658                                      last_x, last_y, &last_element_new,
12659                                      getClosedChip, change_level);
12660   }
12661   else if (IS_SP_HARDWARE_BASE(new_element))
12662   {
12663     int nr = GetSimpleRandom(6);
12664
12665     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12666                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12667                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12668                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12669                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12670   }
12671   else if (new_element == EL_SP_HARDWARE_GREEN ||
12672            new_element == EL_SP_HARDWARE_BLUE ||
12673            new_element == EL_SP_HARDWARE_RED)
12674   {
12675     int nr = GetSimpleRandom(3);
12676
12677     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12678                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12679   }
12680   else if (IS_GROUP_ELEMENT(new_element))
12681   {
12682     boolean connected_drawing = FALSE;
12683     int i;
12684
12685     for (i = 0; i < NUM_DIRECTIONS; i++)
12686     {
12687       int xx = x + xy[i].x;
12688       int yy = y + xy[i].y;
12689
12690       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12691           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12692         connected_drawing = TRUE;
12693     }
12694
12695     if (!connected_drawing)
12696       ResolveGroupElement(new_element);
12697
12698     new_element = GetElementFromGroupElement(new_element);
12699   }
12700   else if (IS_BELT_SWITCH(old_element))
12701   {
12702     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12703     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12704
12705     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12706                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12707
12708     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12709   }
12710   else
12711   {
12712     static int swappable_elements[][2] =
12713     {
12714       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12715       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12716       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12717       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12718       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12719       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12720       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12721       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12722       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12723       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12724       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12725       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12726       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12727       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12728       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12729       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12730       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12731       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12732       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12733       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12734       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12735       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12736       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12737       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12738       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12739       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12740       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12741       { EL_PEARL,                       EL_WALL_PEARL                   },
12742       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12743       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12744       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12745       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12746       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12747       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12748       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12749       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12750       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12751       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12752       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12753       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12754       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12755       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12756       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12757       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12758
12759       { -1,                             -1                              },
12760     };
12761     static int rotatable_elements_4[][4] =
12762     {
12763       {
12764         EL_BUG_UP,
12765         EL_BUG_RIGHT,
12766         EL_BUG_DOWN,
12767         EL_BUG_LEFT
12768       },
12769       {
12770         EL_SPACESHIP_UP,
12771         EL_SPACESHIP_RIGHT,
12772         EL_SPACESHIP_DOWN,
12773         EL_SPACESHIP_LEFT
12774       },
12775       {
12776         EL_BD_BUTTERFLY_UP,
12777         EL_BD_BUTTERFLY_RIGHT,
12778         EL_BD_BUTTERFLY_DOWN,
12779         EL_BD_BUTTERFLY_LEFT
12780       },
12781       {
12782         EL_BD_FIREFLY_UP,
12783         EL_BD_FIREFLY_RIGHT,
12784         EL_BD_FIREFLY_DOWN,
12785         EL_BD_FIREFLY_LEFT
12786       },
12787       {
12788         EL_PACMAN_UP,
12789         EL_PACMAN_RIGHT,
12790         EL_PACMAN_DOWN,
12791         EL_PACMAN_LEFT
12792       },
12793       {
12794         EL_YAMYAM_UP,
12795         EL_YAMYAM_RIGHT,
12796         EL_YAMYAM_DOWN,
12797         EL_YAMYAM_LEFT
12798       },
12799       {
12800         EL_ARROW_UP,
12801         EL_ARROW_RIGHT,
12802         EL_ARROW_DOWN,
12803         EL_ARROW_LEFT
12804       },
12805       {
12806         EL_SP_PORT_UP,
12807         EL_SP_PORT_RIGHT,
12808         EL_SP_PORT_DOWN,
12809         EL_SP_PORT_LEFT
12810       },
12811       {
12812         EL_SP_GRAVITY_PORT_UP,
12813         EL_SP_GRAVITY_PORT_RIGHT,
12814         EL_SP_GRAVITY_PORT_DOWN,
12815         EL_SP_GRAVITY_PORT_LEFT
12816       },
12817       {
12818         EL_SP_GRAVITY_ON_PORT_UP,
12819         EL_SP_GRAVITY_ON_PORT_RIGHT,
12820         EL_SP_GRAVITY_ON_PORT_DOWN,
12821         EL_SP_GRAVITY_ON_PORT_LEFT
12822       },
12823       {
12824         EL_SP_GRAVITY_OFF_PORT_UP,
12825         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12826         EL_SP_GRAVITY_OFF_PORT_DOWN,
12827         EL_SP_GRAVITY_OFF_PORT_LEFT
12828       },
12829       {
12830         EL_MOLE_UP,
12831         EL_MOLE_RIGHT,
12832         EL_MOLE_DOWN,
12833         EL_MOLE_LEFT
12834       },
12835       {
12836         EL_BALLOON_SWITCH_UP,
12837         EL_BALLOON_SWITCH_RIGHT,
12838         EL_BALLOON_SWITCH_DOWN,
12839         EL_BALLOON_SWITCH_LEFT
12840       },
12841       {
12842         EL_MM_MCDUFFIN_UP,
12843         EL_MM_MCDUFFIN_RIGHT,
12844         EL_MM_MCDUFFIN_DOWN,
12845         EL_MM_MCDUFFIN_LEFT
12846       },
12847       {
12848         EL_MM_MIRROR_FIXED_1,
12849         EL_MM_MIRROR_FIXED_4,
12850         EL_MM_MIRROR_FIXED_3,
12851         EL_MM_MIRROR_FIXED_2
12852       },
12853       {
12854         EL_MM_STEEL_GRID_FIXED_1,
12855         EL_MM_STEEL_GRID_FIXED_4,
12856         EL_MM_STEEL_GRID_FIXED_2,
12857         EL_MM_STEEL_GRID_FIXED_3
12858       },
12859       {
12860         EL_MM_WOODEN_GRID_FIXED_1,
12861         EL_MM_WOODEN_GRID_FIXED_4,
12862         EL_MM_WOODEN_GRID_FIXED_2,
12863         EL_MM_WOODEN_GRID_FIXED_3
12864       },
12865       {
12866         EL_MM_POLARIZER_CROSS_1,
12867         EL_MM_POLARIZER_CROSS_4,
12868         EL_MM_POLARIZER_CROSS_3,
12869         EL_MM_POLARIZER_CROSS_2
12870       },
12871       {
12872         EL_MM_PACMAN_UP,
12873         EL_MM_PACMAN_RIGHT,
12874         EL_MM_PACMAN_DOWN,
12875         EL_MM_PACMAN_LEFT
12876       },
12877       {
12878         EL_DF_LASER_UP,
12879         EL_DF_LASER_RIGHT,
12880         EL_DF_LASER_DOWN,
12881         EL_DF_LASER_LEFT
12882       },
12883       {
12884         EL_DF_RECEIVER_UP,
12885         EL_DF_RECEIVER_RIGHT,
12886         EL_DF_RECEIVER_DOWN,
12887         EL_DF_RECEIVER_LEFT
12888       },
12889       {
12890         EL_DF_SLOPE_1,
12891         EL_DF_SLOPE_4,
12892         EL_DF_SLOPE_3,
12893         EL_DF_SLOPE_2
12894       },
12895
12896       {
12897         -1,
12898       },
12899     };
12900     static int rotatable_elements_8[][8] =
12901     {
12902       {
12903         EL_DF_STEEL_GRID_FIXED_1,
12904         EL_DF_STEEL_GRID_FIXED_8,
12905         EL_DF_STEEL_GRID_FIXED_7,
12906         EL_DF_STEEL_GRID_FIXED_6,
12907         EL_DF_STEEL_GRID_FIXED_5,
12908         EL_DF_STEEL_GRID_FIXED_4,
12909         EL_DF_STEEL_GRID_FIXED_3,
12910         EL_DF_STEEL_GRID_FIXED_2
12911       },
12912       {
12913         EL_DF_WOODEN_GRID_FIXED_1,
12914         EL_DF_WOODEN_GRID_FIXED_8,
12915         EL_DF_WOODEN_GRID_FIXED_7,
12916         EL_DF_WOODEN_GRID_FIXED_6,
12917         EL_DF_WOODEN_GRID_FIXED_5,
12918         EL_DF_WOODEN_GRID_FIXED_4,
12919         EL_DF_WOODEN_GRID_FIXED_3,
12920         EL_DF_WOODEN_GRID_FIXED_2
12921       },
12922       {
12923         EL_DF_STEEL_GRID_ROTATING_1,
12924         EL_DF_STEEL_GRID_ROTATING_8,
12925         EL_DF_STEEL_GRID_ROTATING_7,
12926         EL_DF_STEEL_GRID_ROTATING_6,
12927         EL_DF_STEEL_GRID_ROTATING_5,
12928         EL_DF_STEEL_GRID_ROTATING_4,
12929         EL_DF_STEEL_GRID_ROTATING_3,
12930         EL_DF_STEEL_GRID_ROTATING_2
12931       },
12932       {
12933         EL_DF_WOODEN_GRID_ROTATING_1,
12934         EL_DF_WOODEN_GRID_ROTATING_8,
12935         EL_DF_WOODEN_GRID_ROTATING_7,
12936         EL_DF_WOODEN_GRID_ROTATING_6,
12937         EL_DF_WOODEN_GRID_ROTATING_5,
12938         EL_DF_WOODEN_GRID_ROTATING_4,
12939         EL_DF_WOODEN_GRID_ROTATING_3,
12940         EL_DF_WOODEN_GRID_ROTATING_2
12941       },
12942
12943       {
12944         -1,
12945       },
12946     };
12947     static int rotatable_elements_16[][16] =
12948     {
12949       {
12950         EL_MM_MIRROR_1,
12951         EL_MM_MIRROR_16,
12952         EL_MM_MIRROR_15,
12953         EL_MM_MIRROR_14,
12954         EL_MM_MIRROR_13,
12955         EL_MM_MIRROR_12,
12956         EL_MM_MIRROR_11,
12957         EL_MM_MIRROR_10,
12958         EL_MM_MIRROR_9,
12959         EL_MM_MIRROR_8,
12960         EL_MM_MIRROR_7,
12961         EL_MM_MIRROR_6,
12962         EL_MM_MIRROR_5,
12963         EL_MM_MIRROR_4,
12964         EL_MM_MIRROR_3,
12965         EL_MM_MIRROR_2
12966       },
12967       {
12968         EL_MM_TELEPORTER_5,
12969         EL_MM_TELEPORTER_4,
12970         EL_MM_TELEPORTER_3,
12971         EL_MM_TELEPORTER_2,
12972         EL_MM_TELEPORTER_1,
12973         EL_MM_TELEPORTER_16,
12974         EL_MM_TELEPORTER_15,
12975         EL_MM_TELEPORTER_14,
12976         EL_MM_TELEPORTER_13,
12977         EL_MM_TELEPORTER_12,
12978         EL_MM_TELEPORTER_11,
12979         EL_MM_TELEPORTER_10,
12980         EL_MM_TELEPORTER_9,
12981         EL_MM_TELEPORTER_8,
12982         EL_MM_TELEPORTER_7,
12983         EL_MM_TELEPORTER_6
12984       },
12985       {
12986         EL_MM_TELEPORTER_RED_5,
12987         EL_MM_TELEPORTER_RED_4,
12988         EL_MM_TELEPORTER_RED_3,
12989         EL_MM_TELEPORTER_RED_2,
12990         EL_MM_TELEPORTER_RED_1,
12991         EL_MM_TELEPORTER_RED_16,
12992         EL_MM_TELEPORTER_RED_15,
12993         EL_MM_TELEPORTER_RED_14,
12994         EL_MM_TELEPORTER_RED_13,
12995         EL_MM_TELEPORTER_RED_12,
12996         EL_MM_TELEPORTER_RED_11,
12997         EL_MM_TELEPORTER_RED_10,
12998         EL_MM_TELEPORTER_RED_9,
12999         EL_MM_TELEPORTER_RED_8,
13000         EL_MM_TELEPORTER_RED_7,
13001         EL_MM_TELEPORTER_RED_6
13002       },
13003       {
13004         EL_MM_TELEPORTER_YELLOW_5,
13005         EL_MM_TELEPORTER_YELLOW_4,
13006         EL_MM_TELEPORTER_YELLOW_3,
13007         EL_MM_TELEPORTER_YELLOW_2,
13008         EL_MM_TELEPORTER_YELLOW_1,
13009         EL_MM_TELEPORTER_YELLOW_16,
13010         EL_MM_TELEPORTER_YELLOW_15,
13011         EL_MM_TELEPORTER_YELLOW_14,
13012         EL_MM_TELEPORTER_YELLOW_13,
13013         EL_MM_TELEPORTER_YELLOW_12,
13014         EL_MM_TELEPORTER_YELLOW_11,
13015         EL_MM_TELEPORTER_YELLOW_10,
13016         EL_MM_TELEPORTER_YELLOW_9,
13017         EL_MM_TELEPORTER_YELLOW_8,
13018         EL_MM_TELEPORTER_YELLOW_7,
13019         EL_MM_TELEPORTER_YELLOW_6
13020       },
13021       {
13022         EL_MM_TELEPORTER_GREEN_5,
13023         EL_MM_TELEPORTER_GREEN_4,
13024         EL_MM_TELEPORTER_GREEN_3,
13025         EL_MM_TELEPORTER_GREEN_2,
13026         EL_MM_TELEPORTER_GREEN_1,
13027         EL_MM_TELEPORTER_GREEN_16,
13028         EL_MM_TELEPORTER_GREEN_15,
13029         EL_MM_TELEPORTER_GREEN_14,
13030         EL_MM_TELEPORTER_GREEN_13,
13031         EL_MM_TELEPORTER_GREEN_12,
13032         EL_MM_TELEPORTER_GREEN_11,
13033         EL_MM_TELEPORTER_GREEN_10,
13034         EL_MM_TELEPORTER_GREEN_9,
13035         EL_MM_TELEPORTER_GREEN_8,
13036         EL_MM_TELEPORTER_GREEN_7,
13037         EL_MM_TELEPORTER_GREEN_6
13038       },
13039       {
13040         EL_MM_TELEPORTER_BLUE_5,
13041         EL_MM_TELEPORTER_BLUE_4,
13042         EL_MM_TELEPORTER_BLUE_3,
13043         EL_MM_TELEPORTER_BLUE_2,
13044         EL_MM_TELEPORTER_BLUE_1,
13045         EL_MM_TELEPORTER_BLUE_16,
13046         EL_MM_TELEPORTER_BLUE_15,
13047         EL_MM_TELEPORTER_BLUE_14,
13048         EL_MM_TELEPORTER_BLUE_13,
13049         EL_MM_TELEPORTER_BLUE_12,
13050         EL_MM_TELEPORTER_BLUE_11,
13051         EL_MM_TELEPORTER_BLUE_10,
13052         EL_MM_TELEPORTER_BLUE_9,
13053         EL_MM_TELEPORTER_BLUE_8,
13054         EL_MM_TELEPORTER_BLUE_7,
13055         EL_MM_TELEPORTER_BLUE_6
13056       },
13057       {
13058         EL_MM_POLARIZER_1,
13059         EL_MM_POLARIZER_16,
13060         EL_MM_POLARIZER_15,
13061         EL_MM_POLARIZER_14,
13062         EL_MM_POLARIZER_13,
13063         EL_MM_POLARIZER_12,
13064         EL_MM_POLARIZER_11,
13065         EL_MM_POLARIZER_10,
13066         EL_MM_POLARIZER_9,
13067         EL_MM_POLARIZER_8,
13068         EL_MM_POLARIZER_7,
13069         EL_MM_POLARIZER_6,
13070         EL_MM_POLARIZER_5,
13071         EL_MM_POLARIZER_4,
13072         EL_MM_POLARIZER_3,
13073         EL_MM_POLARIZER_2
13074       },
13075       {
13076         EL_DF_MIRROR_1,
13077         EL_DF_MIRROR_16,
13078         EL_DF_MIRROR_15,
13079         EL_DF_MIRROR_14,
13080         EL_DF_MIRROR_13,
13081         EL_DF_MIRROR_12,
13082         EL_DF_MIRROR_11,
13083         EL_DF_MIRROR_10,
13084         EL_DF_MIRROR_9,
13085         EL_DF_MIRROR_8,
13086         EL_DF_MIRROR_7,
13087         EL_DF_MIRROR_6,
13088         EL_DF_MIRROR_5,
13089         EL_DF_MIRROR_4,
13090         EL_DF_MIRROR_3,
13091         EL_DF_MIRROR_2
13092       },
13093       {
13094         EL_DF_MIRROR_ROTATING_1,
13095         EL_DF_MIRROR_ROTATING_16,
13096         EL_DF_MIRROR_ROTATING_15,
13097         EL_DF_MIRROR_ROTATING_14,
13098         EL_DF_MIRROR_ROTATING_13,
13099         EL_DF_MIRROR_ROTATING_12,
13100         EL_DF_MIRROR_ROTATING_11,
13101         EL_DF_MIRROR_ROTATING_10,
13102         EL_DF_MIRROR_ROTATING_9,
13103         EL_DF_MIRROR_ROTATING_8,
13104         EL_DF_MIRROR_ROTATING_7,
13105         EL_DF_MIRROR_ROTATING_6,
13106         EL_DF_MIRROR_ROTATING_5,
13107         EL_DF_MIRROR_ROTATING_4,
13108         EL_DF_MIRROR_ROTATING_3,
13109         EL_DF_MIRROR_ROTATING_2
13110       },
13111       {
13112         EL_DF_MIRROR_FIXED_1,
13113         EL_DF_MIRROR_FIXED_16,
13114         EL_DF_MIRROR_FIXED_15,
13115         EL_DF_MIRROR_FIXED_14,
13116         EL_DF_MIRROR_FIXED_13,
13117         EL_DF_MIRROR_FIXED_12,
13118         EL_DF_MIRROR_FIXED_11,
13119         EL_DF_MIRROR_FIXED_10,
13120         EL_DF_MIRROR_FIXED_9,
13121         EL_DF_MIRROR_FIXED_8,
13122         EL_DF_MIRROR_FIXED_7,
13123         EL_DF_MIRROR_FIXED_6,
13124         EL_DF_MIRROR_FIXED_5,
13125         EL_DF_MIRROR_FIXED_4,
13126         EL_DF_MIRROR_FIXED_3,
13127         EL_DF_MIRROR_FIXED_2
13128       },
13129
13130       {
13131         -1,
13132       },
13133     };
13134     int i, j;
13135
13136     for (i = 0; swappable_elements[i][0] != -1; i++)
13137     {
13138       int element1 = swappable_elements[i][0];
13139       int element2 = swappable_elements[i][1];
13140
13141       if (old_element == element1 || old_element == element2)
13142         new_element = (old_element == element1 ? element2 : element1);
13143     }
13144
13145     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13146     {
13147       for (j = 0; j < 4; j++)
13148       {
13149         int element = rotatable_elements_4[i][j];
13150
13151         if (old_element == element)
13152           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13153                          button == 2 ? rotatable_elements_4[i][0]           :
13154                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13155                          old_element);
13156       }
13157     }
13158
13159     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13160     {
13161       for (j = 0; j < 8; j++)
13162       {
13163         int element = rotatable_elements_8[i][j];
13164
13165         if (old_element == element)
13166           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13167                          button == 2 ? rotatable_elements_8[i][0]           :
13168                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13169                          old_element);
13170       }
13171     }
13172
13173     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13174     {
13175       for (j = 0; j < 16; j++)
13176       {
13177         int element = rotatable_elements_16[i][j];
13178
13179         if (old_element == element)
13180           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13181                          button == 2 ? rotatable_elements_16[i][0]             :
13182                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13183                          old_element);
13184       }
13185     }
13186
13187     if (old_element != new_element)
13188     {
13189       int max_infotext_len = getMaxInfoTextLength();
13190       char infotext[MAX_OUTPUT_LINESIZE + 1];
13191
13192       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13193       infotext[max_infotext_len] = '\0';
13194
13195       ClearEditorGadgetInfoText();
13196
13197       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13198                 infotext);
13199     }
13200   }
13201
13202   if (IS_MM_WALL_EDITOR(new_element))
13203     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13204   else
13205     SetElementSimple(x, y, new_element, change_level);
13206
13207   last_x = x;
13208   last_y = y;
13209 }
13210
13211 static void ResetIntelliDraw(void)
13212 {
13213   int x, y;
13214
13215   for (x = 0; x < lev_fieldx; x++)
13216     for (y = 0; y < lev_fieldy; y++)
13217       IntelliDrawBuffer[x][y] = Tile[x][y];
13218
13219   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13220 }
13221
13222 static boolean draw_mode_hires = FALSE;
13223
13224 static boolean isHiresTileElement(int element)
13225 {
13226   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13227 }
13228
13229 static boolean isHiresDrawElement(int element)
13230 {
13231   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13232 }
13233
13234 static int numHiresTiles(int element)
13235 {
13236   if (IS_MM_WALL(element))
13237     return get_number_of_bits(MM_WALL_BITS(element));
13238
13239   return 1;
13240 }
13241
13242 static void SetDrawModeHiRes(int element)
13243 {
13244   draw_mode_hires =
13245     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13246      isHiresDrawElement(element));
13247 }
13248
13249 static boolean getDrawModeHiRes(void)
13250 {
13251   return draw_mode_hires;
13252 }
13253
13254 static int getLoResScreenPos(int pos)
13255 {
13256   return (getDrawModeHiRes() ? pos / 2 : pos);
13257 }
13258
13259 static int getLoResScreenMod(int pos)
13260 {
13261   return (getDrawModeHiRes() ? pos % 2 : 0);
13262 }
13263
13264 static void SetElementExt(int x, int y, int dx, int dy, int element,
13265                           boolean change_level, int button)
13266 {
13267   if (element < 0)
13268     SetElementSimple(x, y, Tile[x][y], change_level);
13269   else if (GetKeyModState() & KMOD_Shift)
13270     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13271   else
13272     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13273 }
13274
13275 static void SetElement(int x, int y, int element)
13276 {
13277   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13278 }
13279
13280 static void SetElementButton(int x, int y, int dx, int dy, int element,
13281                              int button)
13282 {
13283   SetElementExt(x, y, dx, dy, element, TRUE, button);
13284 }
13285
13286 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13287 {
13288   int lx = getLoResScreenPos(sx2) + level_xpos;
13289   int ly = getLoResScreenPos(sy2) + level_ypos;
13290   int dx = getLoResScreenMod(sx2);
13291   int dy = getLoResScreenMod(sy2);
13292
13293   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13294 }
13295
13296 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13297 {
13298   int lx = lx2 / 2;
13299   int ly = ly2 / 2;
13300   int dx = lx2 % 2;
13301   int dy = ly2 % 2;
13302
13303   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13304 }
13305
13306 static int getLevelElementHiRes(int lx2, int ly2)
13307 {
13308   int lx = lx2 / 2;
13309   int ly = ly2 / 2;
13310   int dx = lx2 % 2;
13311   int dy = ly2 % 2;
13312   int element = Tile[lx][ly];
13313   unsigned int bitmask = (dx + 1) << (dy * 2);
13314
13315   if (IS_MM_WALL(element))
13316   {
13317     if (element & bitmask)
13318       return map_mm_wall_element(element);
13319     else
13320       return EL_EMPTY;
13321   }
13322
13323   return element;
13324 }
13325
13326 static void DrawLineElement(int x, int y, int element, boolean change_level)
13327 {
13328   SetElementHiRes(x, y, element, change_level);
13329 }
13330
13331 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13332                      int element, boolean change_level)
13333 {
13334   int xsize = ABS(to_x - from_x);
13335   int ysize = ABS(to_y - from_y);
13336   int dx = (to_x < from_x ? -1 : +1);
13337   int dy = (to_y < from_y ? -1 : +1);
13338   int i;
13339
13340   if (from_y == to_y)                   // horizontal line
13341   {
13342     for (i = 0; i <= xsize; i++)
13343       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13344   }
13345   else if (from_x == to_x)              // vertical line
13346   {
13347     for (i = 0; i <= ysize; i++)
13348       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13349   }
13350   else                                  // diagonal line
13351   {
13352     if (ysize < xsize)                  // a < 1
13353     {
13354       float a = (float)ysize / (float)xsize;
13355
13356       for (i = 0; i <= xsize; i++)
13357       {
13358         int x = dx * i;
13359         int y = dy * (int)(a * i + 0.5);
13360
13361         DrawLineElement(from_x + x, from_y + y, element, change_level);
13362       }
13363     }
13364     else                                // a >= 1
13365     {
13366       float a = (float)xsize / (float)ysize;
13367
13368       for (i = 0; i <= ysize; i++)
13369       {
13370         int x = dx * (int)(a * i + 0.5);
13371         int y = dy * i;
13372
13373         DrawLineElement(from_x + x, from_y + y, element, change_level);
13374       }
13375     }
13376   }
13377 }
13378
13379 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13380                     int element, boolean change_level)
13381 {
13382   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13383   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13384   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13385   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13386 }
13387
13388 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13389                           int element, boolean change_level)
13390 {
13391   int y;
13392
13393   if (from_y > to_y)
13394     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13395
13396   for (y = from_y; y <= to_y; y++)
13397     DrawLine(from_x, y, to_x, y, element, change_level);
13398 }
13399
13400 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13401                        int element, boolean change_level)
13402 {
13403   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13404   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13405   int len_x = ABS(to_x - from_x);
13406   int len_y = ABS(to_y - from_y);
13407   int radius, x, y;
13408
13409   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13410
13411   // not optimal (some points get drawn twice) but simple,
13412   // and fast enough for the few points we are drawing
13413
13414   for (x = 0; x <= radius; x++)
13415   {
13416     int sx, sy, sx2, sy2, lx, ly;
13417
13418     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13419
13420     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13421     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13422     sx = getLoResScreenPos(sx2);
13423     sy = getLoResScreenPos(sy2);
13424     lx = sx + level_xpos;
13425     ly = sy + level_ypos;
13426
13427     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13428       DrawLineElement(sx2, sy2, element, change_level);
13429   }
13430
13431   for (y = 0; y <= radius; y++)
13432   {
13433     int sx, sy, sx2, sy2, lx, ly;
13434
13435     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13436
13437     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13438     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13439     sx = getLoResScreenPos(sx2);
13440     sy = getLoResScreenPos(sy2);
13441     lx = sx + level_xpos;
13442     ly = sy + level_ypos;
13443
13444     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13445       DrawLineElement(sx2, sy2, element, change_level);
13446   }
13447 }
13448
13449 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13450                     int element, boolean change_level)
13451 {
13452   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13453   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13454
13455   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13456 }
13457
13458 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13459
13460 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13461 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13462                        int element, boolean change_level)
13463 {
13464   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13465   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13466   int mirror_to_x2 = from_x - (to_x2 - from_x);
13467   int mirror_to_y2 = from_y - (to_y2 - from_y);
13468
13469   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13470   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13471   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13472   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13473 }
13474 #endif
13475
13476 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13477 {
13478   int from_sx, from_sy;
13479   int to_sx, to_sy;
13480
13481   if (from_x > to_x)
13482     swap_numbers(&from_x, &to_x);
13483
13484   if (from_y > to_y)
13485     swap_numbers(&from_y, &to_y);
13486
13487   from_sx = SX + from_x * ed_tilesize;
13488   from_sy = SY + from_y * ed_tilesize;
13489   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13490   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13491
13492   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13493   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13494   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13495   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13496
13497   if (from_x == to_x && from_y == to_y)
13498     MarkTileDirty(from_x/2, from_y/2);
13499   else
13500     redraw_mask |= REDRAW_FIELD;
13501 }
13502
13503 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13504                         int element, boolean change_level)
13505 {
13506   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13507 }
13508
13509 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13510                        int element, boolean change_level)
13511 {
13512   if (element == -1 || change_level)
13513     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13514   else
13515     DrawAreaBorder(from_x, from_y, to_x, to_y);
13516 }
13517
13518 // values for CopyBrushExt()
13519 #define CB_AREA_TO_BRUSH                0
13520 #define CB_BRUSH_TO_CURSOR              1
13521 #define CB_BRUSH_TO_LEVEL               2
13522 #define CB_DELETE_OLD_CURSOR            3
13523 #define CB_DUMP_BRUSH                   4
13524 #define CB_DUMP_BRUSH_SMALL             5
13525 #define CB_CLIPBOARD_TO_BRUSH           6
13526 #define CB_BRUSH_TO_CLIPBOARD           7
13527 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13528 #define CB_UPDATE_BRUSH_POSITION        9
13529 #define CB_FLIP_BRUSH_X                 10
13530 #define CB_FLIP_BRUSH_Y                 11
13531 #define CB_FLIP_BRUSH_XY                12
13532
13533 #define MAX_CB_PART_SIZE        10
13534 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13535 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13536 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13537                                  MAX_CB_NUM_LINES *     \
13538                                  MAX_CB_PART_SIZE)
13539
13540 static int getFlippedTileExt(int map[], int element)
13541 {
13542   int i;
13543
13544   for (i = 0; map[i] != -1; i++)
13545     if (map[i] == element)
13546       return map[i ^ 1];        // get flipped element by flipping LSB of index
13547
13548   return element;
13549 }
13550
13551 static int getFlippedTileX(int element)
13552 {
13553   int map[] =
13554   {
13555     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13556     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13557     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13558     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13559     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13560     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13561     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13562     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13563     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13564     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13565     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13566     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13567     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13568     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13569     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13570     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13571     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13572     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13573     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13574     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13575     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13576     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13577     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13578     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13579     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13580     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13581     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13582     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13583     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13584     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13585
13586     -1
13587   };
13588
13589   return getFlippedTileExt(map, element);
13590 }
13591
13592 static int getFlippedTileY(int element)
13593 {
13594   int map[] =
13595   {
13596     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13597     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13598     EL_BUG_UP,                          EL_BUG_DOWN,
13599     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13600     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13601     EL_ARROW_UP,                        EL_ARROW_DOWN,
13602     EL_MOLE_UP,                         EL_MOLE_DOWN,
13603     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13604     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13605     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13606     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13607     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13608     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13609     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13610     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13611     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13612     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13613     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13614     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13615     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13616     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13617     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13618     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13619     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13620
13621     -1
13622   };
13623
13624   return getFlippedTileExt(map, element);
13625 }
13626
13627 static int getFlippedTileXY(int element)
13628 {
13629   int map[] =
13630   {
13631     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13632     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13633     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13634     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13635     EL_BUG_LEFT,                        EL_BUG_UP,
13636     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13637     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13638     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13639     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13640     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13641     EL_ARROW_LEFT,                      EL_ARROW_UP,
13642     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13643     EL_MOLE_LEFT,                       EL_MOLE_UP,
13644     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13645     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13646     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13647     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13648     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13649     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13650     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13651     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13652     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13653     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13654     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13655     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13656     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13657     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13658     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13659     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13660     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13661     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13662     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13663     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13664     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13665     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13666     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13667     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13668     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13669     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13670     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13671     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13672     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13673
13674     -1
13675   };
13676
13677   return getFlippedTileExt(map, element);
13678 }
13679
13680 static int getFlippedTile(int element, int mode)
13681 {
13682   if (IS_MM_ELEMENT(element))
13683   {
13684     // get MM game element
13685     element = map_element_RND_to_MM(element);
13686
13687     // get flipped game element
13688     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13689                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13690                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13691                element);
13692
13693     // get RND game element again
13694     element = map_element_MM_to_RND(element);
13695   }
13696   else
13697   {
13698     // get flipped game element
13699     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13700                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13701                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13702                element);
13703   }
13704
13705   return element;
13706 }
13707
13708 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13709 {
13710   // flip tiles
13711   short tile1_flipped = getFlippedTile(*tile1, mode);
13712   short tile2_flipped = getFlippedTile(*tile2, mode);
13713
13714   // swap tiles
13715   *tile1 = tile2_flipped;
13716   *tile2 = tile1_flipped;
13717 }
13718
13719 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13720 {
13721   DrawLineElement(sx, sy, element, change_level);
13722 }
13723
13724 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13725                          int button, int mode)
13726 {
13727   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13728   static int brush_width, brush_height;
13729   static int last_cursor_x = -1, last_cursor_y = -1;
13730   static boolean delete_old_brush = FALSE;
13731   int new_element = BUTTON_ELEMENT(button);
13732   int x, y;
13733
13734   if (mode == CB_DUMP_BRUSH ||
13735       mode == CB_DUMP_BRUSH_SMALL ||
13736       mode == CB_BRUSH_TO_CLIPBOARD ||
13737       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13738   {
13739     if (edit_mode != ED_MODE_DRAWING)
13740       return;
13741
13742     char part[MAX_CB_PART_SIZE + 1] = "";
13743     char text[MAX_CB_TEXT_SIZE + 1] = "";
13744     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13745     int height = (draw_with_brush ? brush_height : lev_fieldy);
13746     char *format = "%s%03d";
13747
13748     for (y = 0; y < height; y++)
13749       for (x = 0; x < width; x++)
13750         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13751           format = "%s%04d";
13752
13753     for (y = 0; y < height; y++)
13754     {
13755       for (x = 0; x < width; x++)
13756       {
13757         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13758         char *prefix = (mode == CB_DUMP_BRUSH ||
13759                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13760
13761         if (element >= NUM_FILE_ELEMENTS)
13762           element = EL_UNKNOWN;
13763
13764         // copy brush to level sketch text buffer for the R'n'D forum:
13765         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13766         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13767         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13768         strcat(text, part);
13769       }
13770
13771       strcat(text, "\n");
13772     }
13773
13774     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13775         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13776       SDL_SetClipboardText(text);
13777     else
13778       Print("%s", text);        // print brush data to console and log file
13779
13780     return;
13781   }
13782
13783   if (mode == CB_CLIPBOARD_TO_BRUSH)
13784   {
13785     if (edit_mode != ED_MODE_DRAWING)
13786       return;
13787
13788     if (!SDL_HasClipboardText())
13789     {
13790       Request("Clipboard is empty!", REQ_CONFIRM);
13791
13792       return;
13793     }
13794
13795     boolean copy_to_brush = (draw_with_brush ||
13796                              drawing_function == GADGET_ID_GRAB_BRUSH);
13797
13798     // this will delete the old brush, if already drawing with a brush
13799     if (copy_to_brush)
13800       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13801
13802     // initialization is required for "odd" (incomplete) clipboard content
13803     for (x = 0; x < MAX_LEV_FIELDX; x++)
13804       for (y = 0; y < MAX_LEV_FIELDY; y++)
13805         brush_buffer[x][y] = EL_EMPTY;
13806
13807     brush_width  = 0;
13808     brush_height = 0;
13809     x = 0;
13810     y = 0;
13811
13812     char *clipboard_text = SDL_GetClipboardText();
13813     char *ptr = clipboard_text;
13814     boolean allow_new_row = FALSE;
13815     boolean stop = FALSE;
13816
13817     while (*ptr && !stop)
13818     {
13819       boolean prefix_found = FALSE;
13820       boolean start_new_row = FALSE;
13821
13822       // level sketch element number prefixes (may be multi-byte characters)
13823       char *prefix_list[] = { "`", "¸" };
13824       int i;
13825
13826       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13827       {
13828         char *prefix = prefix_list[i];
13829
13830         // check if string is large enough for prefix
13831         if (strlen(ptr) < strlen(prefix))
13832         {
13833           stop = TRUE;
13834
13835           break;
13836         }
13837
13838         // check if string starts with prefix
13839         if (strPrefix(ptr, prefix))
13840         {
13841           ptr += strlen(prefix);
13842
13843           prefix_found = TRUE;
13844
13845           break;
13846         }
13847       }
13848
13849       // check if prefix found and followed by (at least) three digits
13850       if (prefix_found &&
13851           strlen(ptr) >= 3 &&
13852           ptr[0] >= '0' && ptr[0] <= '9' &&
13853           ptr[1] >= '0' && ptr[1] <= '9' &&
13854           ptr[2] >= '0' && ptr[2] <= '9')
13855       {
13856         int element = ((ptr[0] - '0') * 100 +
13857                        (ptr[1] - '0') * 10 +
13858                        (ptr[2] - '0'));
13859
13860         ptr += 3;
13861
13862         // level sketch element number might consist of four digits
13863         if (ptr[0] >= '0' && ptr[0] <= '9')
13864         {
13865           element = element * 10 + (ptr[0] - '0');
13866           ptr++;
13867         }
13868
13869         // remap some (historic, now obsolete) elements
13870         element = getMappedElement(element);
13871
13872         if (element >= NUM_FILE_ELEMENTS)
13873           element = EL_UNKNOWN;
13874
13875         brush_buffer[x][y] = element;
13876
13877         brush_width  = MAX(x + 1, brush_width);
13878         brush_height = MAX(y + 1, brush_height);
13879
13880         x++;
13881
13882         if (x >= MAX_LEV_FIELDX)
13883           start_new_row = TRUE;
13884
13885         allow_new_row = TRUE;
13886       }
13887       else
13888       {
13889         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13890           start_new_row = TRUE;
13891
13892         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13893       }
13894
13895       if (start_new_row)
13896       {
13897         x = 0;
13898         y++;
13899
13900         if (y >= MAX_LEV_FIELDY)
13901           stop = TRUE;
13902
13903         allow_new_row = FALSE;
13904       }
13905     }
13906
13907     SDL_free(clipboard_text);
13908
13909     if (brush_width == 0 || brush_height == 0)
13910     {
13911       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13912
13913       return;
13914     }
13915
13916     if (copy_to_brush)
13917     {
13918       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13919       int mx, my;
13920
13921       SDL_GetMouseState(&mx, &my);
13922
13923       // if inside drawing area, activate and draw brush at last mouse position
13924       if (mx >= gi->x && mx < gi->x + gi->width &&
13925           my >= gi->y && my < gi->y + gi->height)
13926         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13927
13928       draw_with_brush = TRUE;
13929     }
13930     else
13931     {
13932       char request[100];
13933
13934       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13935               brush_width, brush_height);
13936
13937       if (!Request(request, REQ_ASK))
13938         return;
13939
13940       for (x = 0; x < MAX_LEV_FIELDX; x++)
13941         for (y = 0; y < MAX_LEV_FIELDY; y++)
13942           Tile[x][y] = brush_buffer[x][y];
13943
13944       lev_fieldx = level.fieldx = brush_width;
13945       lev_fieldy = level.fieldy = brush_height;
13946
13947       boolean use_bd_engine = TRUE;
13948       boolean use_em_engine = TRUE;
13949       boolean use_sp_engine = TRUE;
13950       boolean use_mm_engine = TRUE;
13951
13952       for (x = 0; x < MAX_LEV_FIELDX; x++)
13953       {
13954         for (y = 0; y < MAX_LEV_FIELDY; y++)
13955         {
13956           int element = Tile[x][y];
13957
13958           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13959             use_bd_engine = FALSE;
13960
13961           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13962             use_em_engine = FALSE;
13963
13964           if (!IS_SP_ELEMENT(element))
13965             use_sp_engine = FALSE;
13966
13967           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13968             use_mm_engine = FALSE;
13969         }
13970       }
13971
13972       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13973                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13974                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13975                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13976                                 GAME_ENGINE_TYPE_RND);
13977
13978       // update element selection list
13979       ReinitializeElementList();
13980       ModifyEditorElementList();
13981
13982       SetBorderElement();
13983
13984       DrawEditModeWindow();
13985       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13986     }
13987
13988     return;
13989   }
13990
13991   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13992     return;
13993
13994   if (mode == CB_AREA_TO_BRUSH)
13995   {
13996     int from_lx, from_ly;
13997
13998     if (from_x > to_x)
13999       swap_numbers(&from_x, &to_x);
14000
14001     if (from_y > to_y)
14002       swap_numbers(&from_y, &to_y);
14003
14004     brush_width = to_x - from_x + 1;
14005     brush_height = to_y - from_y + 1;
14006
14007     from_lx = from_x + level_xpos;
14008     from_ly = from_y + level_ypos;
14009
14010     for (y = 0; y < brush_height; y++)
14011     {
14012       for (x = 0; x < brush_width; x++)
14013       {
14014         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14015
14016         if (button != 1)
14017           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14018       }
14019     }
14020
14021     if (button != 1)
14022       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14023
14024     delete_old_brush = FALSE;
14025   }
14026   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14027            mode == CB_BRUSH_TO_LEVEL)
14028   {
14029     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14030     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14031     int cursor_from_x = cursor_x - brush_width / 2;
14032     int cursor_from_y = cursor_y - brush_height / 2;
14033     int border_from_x = cursor_x, border_from_y = cursor_y;
14034     int border_to_x = cursor_x, border_to_y = cursor_y;
14035
14036     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14037       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14038
14039     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14040         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14041     {
14042       delete_old_brush = FALSE;
14043
14044       return;
14045     }
14046
14047     for (y = 0; y < brush_height; y++)
14048     {
14049       for (x = 0; x < brush_width; x++)
14050       {
14051         int sx = cursor_from_x + x;
14052         int sy = cursor_from_y + y;
14053         int lx = sx + level_xpos;
14054         int ly = sy + level_ypos;
14055         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14056         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14057                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14058                        brush_buffer[x][y] : new_element);
14059
14060         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14061         {
14062           if (sx < border_from_x)
14063             border_from_x = sx;
14064           else if (sx > border_to_x)
14065             border_to_x = sx;
14066           if (sy < border_from_y)
14067             border_from_y = sy;
14068           else if (sy > border_to_y)
14069             border_to_y = sy;
14070
14071           DrawBrushElement(sx, sy, element, change_level);
14072         }
14073       }
14074     }
14075
14076     if (mode != CB_DELETE_OLD_CURSOR)
14077       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14078
14079     last_cursor_x = cursor_x;
14080     last_cursor_y = cursor_y;
14081
14082     delete_old_brush = TRUE;
14083   }
14084   else if (mode == CB_FLIP_BRUSH_X)
14085   {
14086     for (y = 0; y < brush_height; y++)
14087       for (x = 0; x < (brush_width + 1) / 2; x++)
14088         SwapFlippedTiles(&brush_buffer[x][y],
14089                          &brush_buffer[brush_width - x - 1][y], mode);
14090
14091     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14092   }
14093   else if (mode == CB_FLIP_BRUSH_Y)
14094   {
14095     for (y = 0; y < (brush_height + 1) / 2; y++)
14096       for (x = 0; x < brush_width; x++)
14097         SwapFlippedTiles(&brush_buffer[x][y],
14098                          &brush_buffer[x][brush_height - y - 1], mode);
14099
14100     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14101   }
14102   else if (mode == CB_FLIP_BRUSH_XY)
14103   {
14104     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14105
14106     for (y = 0; y < MAX(brush_width, brush_height); y++)
14107       for (x = 0; x <= y; x++)
14108         SwapFlippedTiles(&brush_buffer[x][y],
14109                          &brush_buffer[y][x], mode);
14110
14111     swap_numbers(&brush_width, &brush_height);
14112
14113     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14114   }
14115
14116   if (mode == CB_UPDATE_BRUSH_POSITION)
14117   {
14118     last_cursor_x = from_x;
14119     last_cursor_y = from_y;
14120   }
14121 }
14122
14123 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14124                             int button)
14125 {
14126   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14127 }
14128
14129 static void CopyBrushToLevel(int x, int y, int button)
14130 {
14131   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14132 }
14133
14134 static void CopyBrushToCursor(int x, int y)
14135 {
14136   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14137 }
14138
14139 static void UpdateBrushPosition(int x, int y)
14140 {
14141   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14142 }
14143
14144 static void DeleteBrushFromCursor(void)
14145 {
14146   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14147 }
14148
14149 static void FlipBrushX(void)
14150 {
14151   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14152 }
14153
14154 static void FlipBrushY(void)
14155 {
14156   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14157 }
14158
14159 static void RotateBrush(void)
14160 {
14161   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14162   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14163 }
14164
14165 void DumpBrush(void)
14166 {
14167   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14168 }
14169
14170 void DumpBrush_Small(void)
14171 {
14172   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14173 }
14174
14175 void CopyClipboardToBrush(void)
14176 {
14177   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14178 }
14179
14180 void CopyBrushToClipboard(void)
14181 {
14182   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14183 }
14184
14185 void CopyBrushToClipboard_Small(void)
14186 {
14187   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14188 }
14189
14190 void UndoLevelEditorOperation(void)
14191 {
14192   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14193 }
14194
14195 void RedoLevelEditorOperation(void)
14196 {
14197   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14198 }
14199
14200 static void FloodFill(int from_x, int from_y, int fill_element)
14201 {
14202   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14203 }
14204
14205 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14206 {
14207   int from_x = from_sx2 + 2 * level_xpos;
14208   int from_y = from_sy2 + 2 * level_ypos;
14209   int max_fillx = lev_fieldx * 2;
14210   int max_filly = lev_fieldy * 2;
14211   short Fill[max_fillx][max_filly];
14212   int x, y;
14213
14214   for (x = 0; x < max_fillx; x++)
14215     for (y = 0; y < max_filly; y++)
14216       Fill[x][y] = getLevelElementHiRes(x, y);
14217
14218   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14219                     Fill, max_fillx, max_filly);
14220
14221   for (x = 0; x < max_fillx; x++)
14222     for (y = 0; y < max_filly; y++)
14223       if (Fill[x][y] == fill_element)
14224         SetLevelElementHiRes(x, y, Fill[x][y]);
14225 }
14226
14227 // values for DrawLevelText() modes
14228 #define TEXT_INIT               0
14229 #define TEXT_SETCURSOR          1
14230 #define TEXT_WRITECHAR          2
14231 #define TEXT_BACKSPACE          3
14232 #define TEXT_NEWLINE            4
14233 #define TEXT_END                5
14234 #define TEXT_QUERY_TYPING       6
14235
14236 static int DrawLevelText(int sx, int sy, char letter, int mode)
14237 {
14238   static short delete_buffer[MAX_LEV_FIELDX];
14239   static int start_sx;
14240   static int last_sx, last_sy;
14241   static boolean typing = FALSE;
14242   int letter_element;
14243   int lx = 0, ly = 0;
14244
14245   // map lower case letters to upper case and convert special characters
14246   if (letter >= 'a' && letter <= 'z')
14247     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14248   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14249     letter_element = EL_CHAR_AUMLAUT;
14250   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14251     letter_element = EL_CHAR_OUMLAUT;
14252   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14253     letter_element = EL_CHAR_UUMLAUT;
14254   else if (letter == '^')
14255     letter_element = EL_CHAR_COPYRIGHT;
14256   else
14257     letter_element = EL_CHAR_ASCII0 + letter;
14258
14259   if (mode != TEXT_INIT)
14260   {
14261     if (!typing)
14262       return FALSE;
14263
14264     if (mode != TEXT_SETCURSOR)
14265     {
14266       sx = last_sx;
14267       sy = last_sy;
14268     }
14269
14270     lx = last_sx + level_xpos;
14271     ly = last_sy + level_ypos;
14272   }
14273
14274   switch (mode)
14275   {
14276     case TEXT_INIT:
14277       if (typing)
14278         DrawLevelText(0, 0, 0, TEXT_END);
14279
14280       typing = TRUE;
14281       start_sx = sx;
14282       last_sx = sx;
14283       last_sy = sy;
14284       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14285       break;
14286
14287     case TEXT_SETCURSOR:
14288       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14289       DrawAreaBorder(sx, sy, sx, sy);
14290       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14291                      ed_tilesize, ed_tilesize);
14292       last_sx = sx;
14293       last_sy = sy;
14294       break;
14295
14296     case TEXT_WRITECHAR:
14297       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14298       {
14299         if (new_element1 >= EL_STEEL_CHAR_START &&
14300             new_element1 <= EL_STEEL_CHAR_END)
14301           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14302
14303         delete_buffer[sx - start_sx] = Tile[lx][ly];
14304         Tile[lx][ly] = letter_element;
14305
14306         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14307           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14308         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14309           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14310         else
14311           DrawLevelText(0, 0, 0, TEXT_END);
14312
14313         level.changed = TRUE;
14314       }
14315       break;
14316
14317     case TEXT_BACKSPACE:
14318       if (sx > start_sx)
14319       {
14320         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14321         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14322         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14323       }
14324       break;
14325
14326     case TEXT_NEWLINE:
14327       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14328         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14329       else
14330         DrawLevelText(0, 0, 0, TEXT_END);
14331       break;
14332
14333     case TEXT_END:
14334       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14335       DrawEditorElement(sx, sy, Tile[lx][ly]);
14336       StopTextInput();
14337       typing = FALSE;
14338       break;
14339
14340     case TEXT_QUERY_TYPING:
14341       break;
14342
14343     default:
14344       break;
14345   }
14346
14347   return typing;
14348 }
14349
14350 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14351                           int element, boolean change_level)
14352 {
14353   int lx = sx + level_xpos;
14354   int ly = sy + level_ypos;
14355
14356   if (element == -1)
14357     DrawEditorElement(sx, sy, Tile[lx][ly]);
14358   else
14359     DrawAreaBorder(sx, sy, sx, sy);
14360 }
14361
14362 static void CheckLevelBorderElement(boolean redraw_playfield)
14363 {
14364   int last_border_element = BorderElement;
14365
14366   SetBorderElement();
14367
14368   if (redraw_playfield && BorderElement != last_border_element)
14369     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14370 }
14371
14372 static void CopyLevelToUndoBuffer(int mode)
14373 {
14374   static boolean accumulated_undo = FALSE;
14375   boolean new_undo_buffer_position = TRUE;
14376   int x, y;
14377
14378   if (undo_buffer_steps == 0)
14379     accumulated_undo = FALSE;
14380
14381   switch (mode)
14382   {
14383     case UNDO_IMMEDIATE:
14384       accumulated_undo = FALSE;
14385       break;
14386
14387     case UNDO_ACCUMULATE:
14388       if (accumulated_undo)
14389         new_undo_buffer_position = FALSE;
14390       accumulated_undo = TRUE;
14391       break;
14392
14393     default:
14394       break;
14395   }
14396
14397   if (new_undo_buffer_position)
14398   {
14399     // advance position in undo buffer ring
14400     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14401
14402     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14403       undo_buffer_steps++;
14404   }
14405
14406   // always reset redo buffer when storing level change into undo buffer
14407   redo_buffer_steps = 0;
14408
14409   for (x = 0; x < lev_fieldx; x++)
14410     for (y = 0; y < lev_fieldy; y++)
14411       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14412
14413   // check if drawing operation forces change of border style
14414   CheckLevelBorderElement(TRUE);
14415
14416   level.changed = TRUE;
14417 }
14418
14419 static void RandomPlacement(int new_element)
14420 {
14421   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14422   int num_free_positions = 0;
14423   int num_percentage, num_elements;
14424   int x, y;
14425
14426   ResetIntelliDraw();
14427
14428   // determine number of free positions for randomly placing the new element
14429   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14430   {
14431     free_position[x][y] =
14432       (random_placement_background_restricted ?
14433        Tile[x][y] == random_placement_background_element :
14434        Tile[x][y] != new_element);
14435
14436     if (free_position[x][y])
14437       num_free_positions++;
14438   }
14439
14440   // determine number of new elements to place there
14441   num_percentage = num_free_positions * random_placement_value / 100;
14442   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14443                   num_percentage : random_placement_value);
14444
14445   // if less free positions than elements to place, fill all these positions
14446   if (num_free_positions < num_elements)
14447   {
14448     for (x = 0; x < lev_fieldx; x++)
14449       for (y = 0; y < lev_fieldy; y++)
14450         if (free_position[x][y])
14451           SetElement(x, y, new_element);
14452   }
14453   else
14454   {
14455     while (num_elements > 0)
14456     {
14457       x = GetSimpleRandom(lev_fieldx);
14458       y = GetSimpleRandom(lev_fieldy);
14459
14460       // don't place element at the same position twice
14461       if (free_position[x][y])
14462       {
14463         free_position[x][y] = FALSE;
14464         SetElement(x, y, new_element);
14465         num_elements--;
14466       }
14467     }
14468   }
14469
14470   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14471   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14472 }
14473
14474 static void WrapLevel(int dx, int dy)
14475 {
14476   int wrap_dx = lev_fieldx - dx;
14477   int wrap_dy = lev_fieldy - dy;
14478   int x, y;
14479
14480   for (x = 0; x < lev_fieldx; x++)
14481     for (y = 0; y < lev_fieldy; y++)
14482       TileBackup[x][y] = Tile[x][y];
14483
14484   for (x = 0; x < lev_fieldx; x++)
14485     for (y = 0; y < lev_fieldy; y++)
14486       Tile[x][y] =
14487         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14488
14489   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14490   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14491 }
14492
14493 static void DrawAreaElementHighlight(boolean highlighted,
14494                                      boolean highlighted_similar)
14495 {
14496   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14497
14498   if (!highlighted)
14499     return;
14500
14501   int x, y;
14502
14503   for (x = 0; x < ed_fieldx; x++)
14504   {
14505     for (y = 0; y < ed_fieldy; y++)
14506     {
14507       boolean highlight = FALSE;
14508       int lx = x + level_xpos;
14509       int ly = y + level_ypos;
14510
14511       if (!IN_LEV_FIELD(lx, ly))
14512         continue;
14513
14514       // check if element is the same
14515       if (Tile[lx][ly] == new_element1)
14516         highlight = TRUE;
14517
14518       // check if element is similar
14519       if (highlighted_similar &&
14520           strEqual(element_info[Tile[lx][ly]].class_name,
14521                    element_info[new_element1].class_name))
14522         highlight = TRUE;
14523
14524       // check if element is matching MM style wall
14525       if (IS_MM_WALL(Tile[lx][ly]) &&
14526           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14527         highlight = TRUE;
14528
14529       if (!highlight)
14530         continue;
14531
14532       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14533       {
14534         int i;
14535
14536         for (i = 0; i < 4; i++)
14537         {
14538           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14539             continue;
14540
14541           int xx = x * 2 + (i % 2);
14542           int yy = y * 2 + (i / 2);
14543           int sx = SX + xx * ed_tilesize / 2;
14544           int sy = SY + yy * ed_tilesize / 2;
14545           int from_sx = sx;
14546           int from_sy = sy;
14547           int to_sx = sx + ed_tilesize / 2 - 1;
14548           int to_sy = sy + ed_tilesize / 2 - 1;
14549
14550           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14551           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14552           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14553           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14554         }
14555       }
14556       else
14557       {
14558         int sx = SX + x * ed_tilesize;
14559         int sy = SY + y * ed_tilesize;
14560         int from_sx = sx;
14561         int from_sy = sy;
14562         int to_sx = sx + ed_tilesize - 1;
14563         int to_sy = sy + ed_tilesize - 1;
14564
14565         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14566         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14567         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14568         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14569       }
14570     }
14571   }
14572 }
14573
14574 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14575 {
14576   char *template_filename_old = getLocalLevelTemplateFilename();
14577   char *template_filename_new =
14578     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14579
14580   if (copyFile(template_filename_old, template_filename_new) != 0)
14581     Request("Cannot copy level template!", REQ_CONFIRM);
14582
14583   free(template_filename_new);
14584 }
14585
14586 static void HandleDrawingAreas(struct GadgetInfo *gi)
14587 {
14588   static boolean started_inside_drawing_area = FALSE;
14589   static int last_sx = -1;
14590   static int last_sy = -1;
14591   static int last_sx2 = -1;
14592   static int last_sy2 = -1;
14593   int id = gi->custom_id;
14594   int type_id = gi->custom_type_id;
14595   boolean button_press_event;
14596   boolean button_release_event;
14597   boolean inside_drawing_area = !gi->event.off_borders;
14598   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14599   int actual_drawing_function;
14600   int button = gi->event.button;
14601   int new_element = BUTTON_ELEMENT(button);
14602   int sx = gi->event.x, sy = gi->event.y;
14603   int min_sx = 0, min_sy = 0;
14604   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14605   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14606   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14607   int sx2 = gi->event.mx / mini_item_xsize;
14608   int sy2 = gi->event.my / mini_item_ysize;
14609   int dx = sx2 % 2;
14610   int dy = sy2 % 2;
14611   int lx = 0, ly = 0;
14612   int x, y;
14613
14614   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14615   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14616
14617   // make sure to stay inside drawing area boundaries
14618   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14619   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14620
14621   if (draw_level)
14622   {
14623     int min_lx = 0, min_ly = 0;
14624     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14625
14626     // get positions inside level field
14627     lx = sx + level_xpos;
14628     ly = sy + level_ypos;
14629
14630     if (!IN_LEV_FIELD(lx, ly))
14631       inside_drawing_area = FALSE;
14632
14633     // make sure to stay inside level field boundaries
14634     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14635     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14636
14637     // correct drawing area positions accordingly
14638     sx = lx - level_xpos;
14639     sy = ly - level_ypos;
14640   }
14641
14642   // also correct MM wall-sized (double) drawing area positions accordingly
14643   if (sx2 / 2 < sx || sx2 / 2 > sx)
14644   {
14645     dx = (sx2 / 2 < sx ? 0 : 1);
14646     sx2 = sx * 2 + dx;
14647   }
14648   if (sy2 / 2 < sy || sy2 / 2 > sy)
14649   {
14650     dy = (sy2 / 2 < sy ? 0 : 1);
14651     sy2 = sy * 2 + dy;
14652   }
14653
14654   if (!button_press_event && !button_release_event)
14655   {
14656     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14657     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14658                              isHiresTileElement(old_element) &&
14659                              isHiresDrawElement(new_element));
14660
14661     // prevent handling events for every pixel position when moving mouse
14662     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14663         (sx2 == last_sx2 && sy2 == last_sy2))
14664       return;
14665   }
14666
14667   last_sx = sx;
14668   last_sy = sy;
14669   last_sx2 = sx2;
14670   last_sy2 = sy2;
14671
14672   if (button_press_event)
14673     started_inside_drawing_area = inside_drawing_area;
14674
14675   if (!started_inside_drawing_area)
14676     return;
14677
14678   if (!IS_VALID_BUTTON(button))
14679     return;
14680
14681   // handle info callback for each invocation of action callback
14682   gi->callback_info(gi);
14683
14684   // automatically switch to 'single item' drawing mode, if needed
14685   actual_drawing_function =
14686     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14687      drawing_function : GADGET_ID_SINGLE_ITEMS);
14688
14689   // clicking into drawing area with pressed Control key picks element
14690   if (GetKeyModState() & KMOD_Control)
14691   {
14692     last_drawing_function = drawing_function;
14693     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14694   }
14695
14696   if (GetKeyModState() & KMOD_Shift)
14697   {
14698     if (button_press_event || button_release_event)
14699       ResetIntelliDraw();
14700   }
14701
14702   SetDrawModeHiRes(-1);         // reset to normal draw mode
14703
14704   switch (actual_drawing_function)
14705   {
14706     case GADGET_ID_SINGLE_ITEMS:
14707       if (draw_level)
14708       {
14709         if (button_release_event)
14710         {
14711           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14712
14713           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14714               !inside_drawing_area)
14715             DeleteBrushFromCursor();
14716
14717           break;
14718         }
14719
14720         if (draw_with_brush)
14721         {
14722           CopyBrushToLevel(sx, sy, button);
14723         }
14724         else
14725         {
14726           SetDrawModeHiRes(new_element);
14727
14728           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14729           {
14730             // remove player at old position
14731             for (y = 0; y < lev_fieldy; y++)
14732             {
14733               for (x = 0; x < lev_fieldx; x++)
14734               {
14735                 int old_element = Tile[x][y];
14736
14737                 if (IS_PLAYER_ELEMENT(old_element) &&
14738                     IS_PLAYER_ELEMENT(new_element))
14739                 {
14740                   int replaced_with_element =
14741                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14742                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14743
14744                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14745                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14746
14747                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14748                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14749
14750                      new_element >= EL_PLAYER_1 &&
14751                      new_element <= EL_PLAYER_4 &&
14752                      new_element == old_element ? EL_EMPTY :
14753
14754                      old_element);
14755
14756                   SetElement(x, y, replaced_with_element);
14757                 }
14758                 else if (IS_MM_MCDUFFIN(old_element) &&
14759                          IS_MM_MCDUFFIN(new_element))
14760                 {
14761                   // remove McDuffin at old position
14762                   SetElement(x, y, EL_EMPTY);
14763                 }
14764               }
14765             }
14766           }
14767
14768           SetElementButton(lx, ly, dx, dy, new_element, button);
14769         }
14770       }
14771       else if (!button_release_event)
14772       {
14773         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14774
14775         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14776           DrawMiniGraphicExt(drawto,
14777                              gi->x + sx * MINI_TILEX,
14778                              gi->y + sy * MINI_TILEY,
14779                              el2edimg(new_element));
14780         else
14781           DrawFixedGraphicExt(drawto,
14782                               gi->x + sx * TILEX,
14783                               gi->y + sy * TILEY,
14784                               el2edimg(new_element), 0);
14785
14786         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14787           new_element = GFX_ELEMENT(new_element);
14788
14789         drawingarea_info[type_id].value[pos] = new_element;
14790
14791         CopyElementPropertiesToGame(properties_element);
14792
14793         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14794         {
14795           UpdateCustomElementGraphicGadgets();
14796
14797           FrameCounter = 0;     // restart animation frame counter
14798         }
14799       }
14800       break;
14801
14802     case GADGET_ID_CONNECTED_ITEMS:
14803       {
14804         static int last_sx = -1;
14805         static int last_sy = -1;
14806
14807         if (button_release_event)
14808           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14809
14810         SetDrawModeHiRes(new_element);
14811
14812         if (getDrawModeHiRes())
14813         {
14814           sx = sx2;
14815           sy = sy2;
14816         }
14817
14818         if (!button_press_event)
14819           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14820
14821         last_sx = sx;
14822         last_sy = sy;
14823       }
14824       break;
14825
14826     case GADGET_ID_LINE:
14827     case GADGET_ID_ARC:
14828     case GADGET_ID_RECTANGLE:
14829     case GADGET_ID_FILLED_BOX:
14830       SetDrawModeHiRes(new_element);
14831
14832       if (getDrawModeHiRes())
14833       {
14834         sx = sx2;
14835         sy = sy2;
14836       }
14837       // FALLTHROUGH
14838     case GADGET_ID_GRAB_BRUSH:
14839     case GADGET_ID_TEXT:
14840       {
14841         static int last_sx = -1;
14842         static int last_sy = -1;
14843         static int start_sx = -1;
14844         static int start_sy = -1;
14845         void (*draw_func)(int, int, int, int, int, boolean);
14846
14847         if (drawing_function == GADGET_ID_LINE)
14848           draw_func = DrawLine;
14849         else if (drawing_function == GADGET_ID_ARC)
14850           draw_func = DrawArc;
14851         else if (drawing_function == GADGET_ID_RECTANGLE)
14852           draw_func = DrawBox;
14853         else if (drawing_function == GADGET_ID_FILLED_BOX)
14854           draw_func = DrawFilledBox;
14855         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14856           draw_func = SelectArea;
14857         else // (drawing_function == GADGET_ID_TEXT)
14858           draw_func = SetTextCursor;
14859
14860         if (button_press_event)
14861         {
14862           draw_func(sx, sy, sx, sy, new_element, FALSE);
14863           start_sx = last_sx = sx;
14864           start_sy = last_sy = sy;
14865
14866           if (drawing_function == GADGET_ID_TEXT)
14867             DrawLevelText(0, 0, 0, TEXT_END);
14868         }
14869         else if (button_release_event)
14870         {
14871           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14872           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14873           {
14874             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14875             CopyBrushToCursor(sx, sy);
14876             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14877                           MB_LEFTBUTTON);
14878             draw_with_brush = TRUE;
14879           }
14880           else if (drawing_function == GADGET_ID_TEXT)
14881             DrawLevelText(sx, sy, 0, TEXT_INIT);
14882           else
14883             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14884         }
14885         else if (last_sx != sx || last_sy != sy)
14886         {
14887           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14888           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14889             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14890           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14891           last_sx = sx;
14892           last_sy = sy;
14893         }
14894       }
14895       break;
14896
14897     case GADGET_ID_FLOOD_FILL:
14898       if (button_press_event && Tile[lx][ly] != new_element)
14899       {
14900         if (IS_MM_WALL_EDITOR(new_element))
14901           FloodFillWall_MM(sx2, sy2, new_element);
14902         else
14903           FloodFill(lx, ly, new_element);
14904
14905         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14906         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14907       }
14908       break;
14909
14910     case GADGET_ID_PICK_ELEMENT:
14911       if (button_release_event)
14912         ClickOnGadget(level_editor_gadget[last_drawing_function],
14913                       MB_LEFTBUTTON);
14914       else if (draw_level)
14915         PickDrawingElement(button, Tile[lx][ly]);
14916       else
14917       {
14918         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14919
14920         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14921       }
14922
14923     default:
14924       break;
14925   }
14926
14927   // do not mark level as modified for certain non-level-changing gadgets
14928   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14929        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14930       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14931       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14932     return;
14933
14934   level.changed = TRUE;
14935 }
14936
14937 static void HandleCounterButtons(struct GadgetInfo *gi)
14938 {
14939   int gadget_id = gi->custom_id;
14940   int counter_id = gi->custom_type_id;
14941   int button = gi->event.button;
14942   int *counter_value = counterbutton_info[counter_id].value;
14943   int step = BUTTON_STEPSIZE(button) *
14944     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14945
14946   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14947   {
14948     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14949     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14950     boolean level_changed = LevelChanged();
14951
14952     if ((level_changed && pressed) || (!level_changed && released))
14953       return;
14954
14955     if (level_changed && !Request("Level has changed! Discard changes?",
14956                                   REQ_ASK))
14957     {
14958       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14959         ModifyEditorCounterValue(counter_id, *counter_value);
14960
14961       return;
14962     }
14963   }
14964
14965   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14966     *counter_value = gi->textinput.number_value;
14967   else
14968     ModifyEditorCounterValue(counter_id, *counter_value + step);
14969
14970   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14971   {
14972     int last_game_engine_type = level.game_engine_type;
14973
14974     LoadLevel(level_nr);
14975     LoadScore(level_nr);
14976
14977     SaveLevelSetup_SeriesInfo();
14978
14979     TapeErase();
14980
14981     ResetUndoBuffer();
14982     DrawEditModeWindow();
14983
14984     if (level.game_engine_type != last_game_engine_type)
14985     {
14986       // update element selection list
14987       ReinitializeElementList();
14988       ModifyEditorElementList();
14989     }
14990
14991     return;
14992   }
14993
14994   switch (counter_id)
14995   {
14996     case ED_COUNTER_ID_YAMYAM_CONTENT:
14997       DrawYamYamContentAreas();
14998       break;
14999
15000     case ED_COUNTER_ID_BALL_CONTENT:
15001       DrawMagicBallContentAreas();
15002       break;
15003
15004     case ED_COUNTER_ID_ANDROID_CONTENT:
15005       DrawAndroidElementArea();
15006       break;
15007
15008     case ED_COUNTER_ID_GROUP_CONTENT:
15009       DrawGroupElementArea();
15010       CopyGroupElementPropertiesToGame(properties_element);
15011       break;
15012
15013     case ED_COUNTER_ID_INVENTORY_SIZE:
15014       DrawPlayerInitialInventoryArea(properties_element);
15015       break;
15016
15017     case ED_COUNTER_ID_MM_BALL_CONTENT:
15018       DrawMMBallContentArea();
15019       break;
15020
15021     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15022     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15023       DrawEnvelopeTextArea(-1);
15024       break;
15025
15026     case ED_COUNTER_ID_LEVEL_XSIZE:
15027     case ED_COUNTER_ID_LEVEL_YSIZE:
15028       lev_fieldx = level.fieldx;
15029       lev_fieldy = level.fieldy;
15030
15031       // check if resizing of level results in change of border border
15032       SetBorderElement();
15033
15034       break;
15035
15036     default:
15037       break;
15038   }
15039
15040   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15041        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15042       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15043        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15044     CopyElementPropertiesToGame(properties_element);
15045
15046   // do not mark level as modified for certain non-level-changing gadgets
15047   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15048        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15049       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15050        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15051     return;
15052
15053   level.changed = TRUE;
15054 }
15055
15056 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15057 {
15058   int type_id = gi->custom_type_id;
15059
15060   strcpy(textinput_info[type_id].value, gi->textinput.value);
15061
15062   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15063   {
15064     CopyElementPropertiesToGame(properties_element);
15065
15066     ModifyEditorElementList();  // update changed button info text
15067   }
15068
15069   // do not mark level as modified for certain non-level-changing gadgets
15070   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15071       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15072     return;
15073
15074   level.changed = TRUE;
15075 }
15076
15077 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15078 {
15079   int type_id = gi->custom_type_id;
15080
15081   strncpy(textarea_info[type_id].value, gi->textarea.value,
15082           MAX_ENVELOPE_TEXT_LEN);
15083   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15084
15085   level.changed = TRUE;
15086 }
15087
15088 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15089 {
15090   int type_id = gi->custom_type_id;
15091   int value_old = *selectbox_info[type_id].value;
15092   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15093
15094   *selectbox_info[type_id].value = value_new;
15095
15096   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15097   {
15098     DrawLevelConfigWindow();
15099   }
15100   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15101   {
15102     element_info[properties_element].current_change_page = gi->selectbox.index;
15103
15104     DrawPropertiesWindow();
15105   }
15106   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15107             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15108            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15109             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15110            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15111   {
15112     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15113     {
15114       // when changing action type, also check action mode and action arg
15115       if (value_old != value_new)
15116         setSelectboxSpecialActionVariablesIfNeeded();
15117
15118       DrawPropertiesChange();
15119     }
15120
15121     CopyElementPropertiesToGame(properties_element);
15122   }
15123   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15124   {
15125     // show or hide "engine" tabulator depending on game engine type
15126     DrawLevelConfigWindow();
15127
15128     // update element selection list depending on game engine type
15129     ReinitializeElementList();
15130     ModifyEditorElementList();
15131   }
15132   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15133   {
15134     // update BD cycle delay counter gadgets depending on BD scheduling type
15135     DrawLevelConfigWindow();
15136   }
15137
15138   // do not mark level as modified for certain non-level-changing gadgets
15139   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15140       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15141     return;
15142
15143   level.changed = TRUE;
15144 }
15145
15146 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15147 {
15148   int type_id = gi->custom_type_id;
15149   int i;
15150
15151   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15152       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15153   {
15154     edit_mode_levelconfig = gi->custom_type_id;
15155
15156     DrawLevelConfigWindow();
15157   }
15158   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15159            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15160   {
15161     edit_mode_properties = gi->custom_type_id;
15162
15163     DrawPropertiesWindow();
15164   }
15165   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15166            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15167   {
15168     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15169
15170     // backup original "level.field" (needed to track playfield changes)
15171     CopyPlayfield(level.field, TileBackup);
15172
15173     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15174     CopyPlayfield(Tile, level.field);
15175
15176     if (new_template ||
15177         Request("Save this template and kill the old?", REQ_ASK))
15178       SaveLevelTemplate();
15179
15180     if (new_template)
15181       Request("Template saved!", REQ_CONFIRM);
15182
15183     // restore original "level.field" (needed to track playfield changes)
15184     CopyPlayfield(TileBackup, level.field);
15185   }
15186   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15187   {
15188     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15189
15190     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15191         leveldir_current->readonly)
15192     {
15193       Request("This level set is read-only!", REQ_CONFIRM);
15194
15195       return;
15196     }
15197
15198     if (strEqual(levelset_name, ""))
15199     {
15200       Request("Please enter level set title!", REQ_CONFIRM);
15201
15202       return;
15203     }
15204
15205     if (strEqual(levelset_author, ""))
15206     {
15207       Request("Please enter level set author!", REQ_CONFIRM);
15208
15209       return;
15210     }
15211
15212     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15213     {
15214       if (UpdateUserLevelSet(levelset_subdir,
15215                              levelset_name,
15216                              levelset_author,
15217                              levelset_num_levels))
15218       {
15219         Request("Level set updated!", REQ_CONFIRM);
15220       }
15221       else
15222       {
15223         Request("Updating level set failed!", REQ_CONFIRM);
15224       }
15225     }
15226     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15227     {
15228       if (level.changed && !Request("Level has changed! Discard changes?",
15229                                      REQ_ASK))
15230         return;
15231
15232       if (CreateUserLevelSet(levelset_subdir,
15233                              levelset_name,
15234                              levelset_author,
15235                              levelset_num_levels,
15236                              levelset_use_levelset_artwork))
15237       {
15238         if (levelset_copy_level_template)
15239           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15240
15241         Request("New level set created!", REQ_CONFIRM);
15242
15243         AddUserLevelSetToLevelInfo(levelset_subdir);
15244         ChangeEditorToLevelSet(levelset_subdir);
15245       }
15246       else
15247       {
15248         Request("Creating new level set failed!", REQ_CONFIRM);
15249       }
15250     }
15251   }
15252   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15253            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15254   {
15255     struct ElementInfo *ei = &element_info[properties_element];
15256
15257     // when modifying custom element, ask for copying level template
15258     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15259       return;
15260
15261     setElementChangePages(ei, ei->num_change_pages + 1);
15262
15263     // set new change page to be new current change page
15264     ei->current_change_page = ei->num_change_pages - 1;
15265     ei->change = &ei->change_page[ei->current_change_page];
15266
15267     setElementChangeInfoToDefaults(ei->change);
15268
15269     DrawPropertiesWindow();
15270
15271     level.changed = TRUE;
15272   }
15273   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15274            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15275   {
15276     struct ElementInfo *ei = &element_info[properties_element];
15277
15278     // when modifying custom element, ask for copying level template
15279     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15280       return;
15281
15282     // copy all change pages after change page to be deleted
15283     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15284       ei->change_page[i] = ei->change_page[i + 1];
15285
15286     setElementChangePages(ei, ei->num_change_pages - 1);
15287
15288     DrawPropertiesWindow();
15289
15290     level.changed = TRUE;
15291   }
15292 }
15293
15294 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15295 {
15296   int type_id = gi->custom_type_id;
15297
15298   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15299       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15300   {
15301     struct ElementInfo *ei = &element_info[properties_element];
15302     int step = BUTTON_STEPSIZE(gi->event.button);
15303
15304     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15305     ei->current_change_page += step;
15306
15307     if (ei->current_change_page < 0)
15308       ei->current_change_page = 0;
15309     else if (ei->current_change_page >= ei->num_change_pages)
15310       ei->current_change_page = ei->num_change_pages - 1;
15311
15312     DrawPropertiesWindow();
15313   }
15314   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15315            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15316   {
15317     struct ElementInfo *ei = &element_info[properties_element];
15318     int current_change_page = ei->current_change_page;
15319
15320     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15321     {
15322       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15323         ei->change_page[current_change_page];
15324     }
15325     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15326     {
15327       // when modifying custom element, ask for copying level template
15328       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15329         return;
15330
15331       ei->change_page[current_change_page] =
15332         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15333
15334       level.changed = TRUE;
15335     }
15336
15337     DrawPropertiesWindow();
15338   }
15339 }
15340
15341 static void HandleRadiobuttons(struct GadgetInfo *gi)
15342 {
15343   int type_id = gi->custom_type_id;
15344
15345   *radiobutton_info[type_id].value =
15346     radiobutton_info[type_id].checked_value;
15347
15348   // do not mark level as modified for certain non-level-changing gadgets
15349   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15350       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15351     return;
15352
15353   level.changed = TRUE;
15354 }
15355
15356 static void HandleCheckbuttons(struct GadgetInfo *gi)
15357 {
15358   int type_id = gi->custom_type_id;
15359
15360   *checkbutton_info[type_id].value ^= TRUE;
15361
15362   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15363       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15364       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15365       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15366          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15367         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15368          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15369        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15370   {
15371     CopyElementPropertiesToGame(properties_element);
15372   }
15373
15374   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15375   {
15376     UpdateCustomElementGraphicGadgets();
15377   }
15378   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15379            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15380   {
15381     boolean template_related_changes_found = FALSE;
15382     int i;
15383
15384     // check if any custom, group or empty elements have been changed
15385     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15386       if ((IS_CUSTOM_ELEMENT(i) ||
15387            IS_GROUP_ELEMENT(i) ||
15388            IS_EMPTY_ELEMENT(i)) &&
15389           element_info[i].modified_settings)
15390         template_related_changes_found = TRUE;
15391
15392     if (level.use_custom_template &&
15393         !fileExists(getGlobalLevelTemplateFilename()))
15394     {
15395       Request("No level template found!", REQ_CONFIRM);
15396
15397       level.use_custom_template = FALSE;
15398
15399       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15400
15401       return;
15402     }
15403
15404     if (level.use_custom_template &&
15405         template_related_changes_found &&
15406         !Request("Discard changes and use level template?", REQ_ASK))
15407     {
15408       level.use_custom_template = FALSE;
15409
15410       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15411
15412       return;
15413     }
15414
15415     if (!level.use_custom_template &&
15416         Request("Copy settings from level template?", REQ_ASK))
15417     {
15418       return;
15419     }
15420
15421     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15422
15423     DrawEditModeWindow();
15424   }
15425   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15426   {
15427     if (setup.editor.use_template_for_new_levels &&
15428         !fileExists(getGlobalLevelTemplateFilename()))
15429     {
15430       Request("No level template found!", REQ_CONFIRM);
15431
15432       return;
15433     }
15434
15435     if (setup.editor.use_template_for_new_levels &&
15436         level.changed &&
15437         !Request("Discard level and load template?", REQ_ASK))
15438     {
15439       return;
15440     }
15441
15442     if (!setup.editor.use_template_for_new_levels &&
15443         level.changed &&
15444         !Request("Discard level and use empty level?", REQ_ASK))
15445     {
15446       return;
15447     }
15448
15449     LoadLevel(level_nr);
15450     LoadScore(level_nr);
15451
15452     TapeErase();
15453
15454     ResetUndoBuffer();
15455     DrawEditModeWindow();
15456   }
15457   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15458   {
15459     SetAutomaticNumberOfGemsNeeded();
15460   }
15461
15462   // do not mark level as modified for certain non-level-changing gadgets
15463   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15464        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15465       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15466        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15467        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15468       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15469     return;
15470
15471   level.changed = TRUE;
15472 }
15473
15474 static void HandleControlButtons(struct GadgetInfo *gi)
15475 {
15476   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15477   static int last_edit_mode = ED_MODE_DRAWING;
15478   static int last_custom_copy_mode = -1;
15479   static int last_button = 0;
15480   int id = gi->custom_id;
15481   int button = gi->event.button;
15482   int step = BUTTON_STEPSIZE(button);
15483   int new_element = BUTTON_ELEMENT(button);
15484   int last_properties_element = properties_element;
15485   int x, y;
15486
15487   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15488     DrawLevelText(0, 0, 0, TEXT_END);
15489
15490   if (id < ED_NUM_CTRL1_BUTTONS &&
15491       id != GADGET_ID_SINGLE_ITEMS &&
15492       id != GADGET_ID_PICK_ELEMENT &&
15493       edit_mode != ED_MODE_DRAWING &&
15494       drawing_function != GADGET_ID_PICK_ELEMENT &&
15495       !(GetKeyModState() & KMOD_Control))
15496     ChangeEditModeWindow(ED_MODE_DRAWING);
15497
15498   // element copy mode active, but no element button pressed => deactivate
15499   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15500     last_custom_copy_mode = -1;
15501
15502   // when showing palette on element buttons, change element of button used
15503   if (editor.palette.show_on_element_buttons &&
15504       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15505   {
15506     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15507
15508     id = GADGET_ID_PALETTE;
15509   }
15510
15511   switch (id)
15512   {
15513     case GADGET_ID_SCROLL_LEFT:
15514       if (level_xpos >= 0)
15515       {
15516         if (lev_fieldx < ed_fieldx - 2)
15517           break;
15518
15519         level_xpos -= step;
15520         if (level_xpos < -1)
15521           level_xpos = -1;
15522         if (button == 1)
15523           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15524         else
15525           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15526
15527         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15528                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15529       }
15530       break;
15531
15532     case GADGET_ID_SCROLL_RIGHT:
15533       if (level_xpos <= lev_fieldx - ed_fieldx)
15534       {
15535         if (lev_fieldx < ed_fieldx - 2)
15536           break;
15537
15538         level_xpos += step;
15539         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15540           level_xpos = lev_fieldx - ed_fieldx + 1;
15541         if (button == 1)
15542           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15543         else
15544           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15545
15546         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15547                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15548       }
15549       break;
15550
15551     case GADGET_ID_SCROLL_UP:
15552       if (level_ypos >= 0)
15553       {
15554         if (lev_fieldy < ed_fieldy - 2)
15555           break;
15556
15557         level_ypos -= step;
15558         if (level_ypos < -1)
15559           level_ypos = -1;
15560         if (button == 1)
15561           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15562         else
15563           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15564
15565         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15566                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15567       }
15568       break;
15569
15570     case GADGET_ID_SCROLL_DOWN:
15571       if (level_ypos <= lev_fieldy - ed_fieldy)
15572       {
15573         if (lev_fieldy < ed_fieldy - 2)
15574           break;
15575
15576         level_ypos += step;
15577         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15578           level_ypos = lev_fieldy - ed_fieldy + 1;
15579         if (button == 1)
15580           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15581         else
15582           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15583
15584         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15585                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15586       }
15587       break;
15588
15589     case GADGET_ID_SCROLL_HORIZONTAL:
15590       level_xpos = gi->event.item_position - 1;
15591
15592       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15593       BackToFront();
15594
15595       break;
15596
15597     case GADGET_ID_SCROLL_VERTICAL:
15598       level_ypos = gi->event.item_position - 1;
15599
15600       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15601       BackToFront();
15602
15603       break;
15604
15605     case GADGET_ID_SCROLL_LIST_UP:
15606     case GADGET_ID_SCROLL_LIST_DOWN:
15607     case GADGET_ID_SCROLL_LIST_VERTICAL:
15608       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15609         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15610       else
15611       {
15612         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15613         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15614
15615         if (element_shift < 0)
15616           element_shift = 0;
15617         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15618           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15619
15620         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15621                      GDI_SCROLLBAR_ITEM_POSITION,
15622                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15623       }
15624
15625       ModifyEditorElementList();
15626
15627       break;
15628
15629     case GADGET_ID_PROPERTIES:
15630       // always switch off element properties when they are already displayed
15631       last_properties_element = new_element;
15632     case GADGET_ID_ELEMENT_LEFT:
15633     case GADGET_ID_ELEMENT_MIDDLE:
15634     case GADGET_ID_ELEMENT_RIGHT:
15635       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15636                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15637                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15638                             new_element);
15639
15640       if (edit_mode != ED_MODE_PROPERTIES)
15641       {
15642         last_edit_mode = edit_mode;
15643
15644         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15645
15646         last_level_drawing_function = drawing_function;
15647         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15648                       MB_LEFTBUTTON);
15649       }
15650       else if (properties_element != last_properties_element)
15651       {
15652         DrawEditModeWindow();
15653       }
15654       else
15655       {
15656         ChangeEditModeWindow(ED_MODE_DRAWING);
15657
15658         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15659                       MB_LEFTBUTTON);
15660       }
15661       break;
15662
15663     case GADGET_ID_PALETTE:
15664       if (edit_mode != ED_MODE_PALETTE)
15665       {
15666         last_edit_mode = edit_mode;
15667
15668         ChangeEditModeWindow(ED_MODE_PALETTE);
15669       }
15670       else
15671       {
15672         ChangeEditModeWindow(last_edit_mode);
15673       }
15674       break;
15675
15676     case GADGET_ID_WRAP_LEFT:
15677       WrapLevel(-step, 0);
15678       break;
15679
15680     case GADGET_ID_WRAP_RIGHT:
15681       WrapLevel(step, 0);
15682       break;
15683
15684     case GADGET_ID_WRAP_UP:
15685       WrapLevel(0, -step);
15686       break;
15687
15688     case GADGET_ID_WRAP_DOWN:
15689       WrapLevel(0, step);
15690       break;
15691
15692     case GADGET_ID_SINGLE_ITEMS:
15693     case GADGET_ID_CONNECTED_ITEMS:
15694     case GADGET_ID_LINE:
15695     case GADGET_ID_ARC:
15696     case GADGET_ID_TEXT:
15697     case GADGET_ID_RECTANGLE:
15698     case GADGET_ID_FILLED_BOX:
15699     case GADGET_ID_FLOOD_FILL:
15700     case GADGET_ID_GRAB_BRUSH:
15701     case GADGET_ID_PICK_ELEMENT:
15702       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15703         last_drawing_function = drawing_function;
15704       drawing_function = id;
15705       draw_with_brush = FALSE;
15706       break;
15707
15708     case GADGET_ID_RANDOM_PLACEMENT:
15709       RandomPlacement(new_element);
15710       break;
15711
15712     case GADGET_ID_ZOOM:
15713       // zoom level editor tile size in or out (or reset to default size)
15714       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15715                      button == 2 ? ed_tilesize_default :
15716                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15717
15718       // when using touch device, cycle through all zoom tilesizes
15719       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15720         ed_tilesize = MICRO_TILESIZE;
15721
15722       // limit zoom level by upper and lower bound
15723       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15724
15725       InitZoomLevelSettings(ed_tilesize);
15726
15727       if (edit_mode == ED_MODE_DRAWING)
15728       {
15729         DrawDrawingWindow();
15730
15731         // redraw zoom gadget info text
15732         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15733       }
15734
15735       // save current editor zoom tilesize
15736       SaveSetup_AutoSetup();
15737
15738       break;
15739
15740     case GADGET_ID_CUSTOM_COPY_FROM:
15741     case GADGET_ID_CUSTOM_COPY_TO:
15742     case GADGET_ID_CUSTOM_EXCHANGE:
15743       last_custom_copy_mode = id;
15744       last_drawing_function = drawing_function;
15745       break;
15746
15747     case GADGET_ID_CUSTOM_COPY:
15748       CopyCustomElement(properties_element, -1, id);
15749       break;
15750
15751     case GADGET_ID_CUSTOM_PASTE:
15752       CopyCustomElement(-1, properties_element, id);
15753       break;
15754
15755     case GADGET_ID_UNDO:
15756       if (button < 0)   // keep button value (even if modifier keys are pressed)
15757         button = -button;
15758       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15759         button = 3;
15760
15761       if (button == 1 && undo_buffer_steps == 0)
15762       {
15763         Request("Undo buffer empty!", REQ_CONFIRM);
15764
15765         break;
15766       }
15767       else if (button == 2)
15768       {
15769         break;
15770       }
15771       else if (button == 3 && redo_buffer_steps == 0)
15772       {
15773         Request("Redo buffer empty!", REQ_CONFIRM);
15774
15775         break;
15776       }
15777
15778       if (edit_mode != ED_MODE_DRAWING)
15779         ChangeEditModeWindow(ED_MODE_DRAWING);
15780
15781       if (button == 1)
15782       {
15783         // undo
15784
15785         undo_buffer_position =
15786           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15787
15788         undo_buffer_steps--;
15789         redo_buffer_steps++;
15790       }
15791       else
15792       {
15793         // redo
15794
15795         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15796
15797         undo_buffer_steps++;
15798         redo_buffer_steps--;
15799       }
15800
15801       for (x = 0; x < lev_fieldx; x++)
15802         for (y = 0; y < lev_fieldy; y++)
15803           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15804
15805       // check if undo operation forces change of border style
15806       CheckLevelBorderElement(FALSE);
15807
15808       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15809
15810       break;
15811
15812     case GADGET_ID_CONF:
15813       if (edit_mode != ED_MODE_LEVELCONFIG)
15814       {
15815         last_edit_mode = edit_mode;
15816
15817         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15818       }
15819       else
15820       {
15821         ChangeEditModeWindow(ED_MODE_DRAWING);
15822       }
15823       break;
15824
15825     case GADGET_ID_CLEAR:
15826       if (edit_mode != ED_MODE_DRAWING)
15827         ChangeEditModeWindow(ED_MODE_DRAWING);
15828
15829       for (x = 0; x < MAX_LEV_FIELDX; x++)
15830         for (y = 0; y < MAX_LEV_FIELDY; y++)
15831           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15832
15833       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15834
15835       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15836       break;
15837
15838     case GADGET_ID_SAVE:
15839     {
15840       // saving read-only levels into personal level set modifies global vars
15841       // "leveldir_current" and "level_nr"; restore them after saving level
15842       LevelDirTree *leveldir_former = leveldir_current;
15843       int level_nr_former = level_nr;
15844       char *level_filename;
15845       boolean new_level;
15846
15847       if (leveldir_current->readonly &&
15848           !PrepareSavingIntoPersonalLevelSet())
15849         break;
15850
15851       level_filename = getDefaultLevelFilename(level_nr);
15852       new_level = !fileExists(level_filename);
15853
15854       if (new_level ||
15855           Request("Save this level and kill the old?", REQ_ASK))
15856       {
15857         if (leveldir_former->readonly)
15858           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15859
15860         SetAutomaticNumberOfGemsNeeded();
15861
15862         CopyPlayfield(Tile, level.field);
15863         SaveLevel(level_nr);
15864
15865         level.changed = FALSE;
15866
15867         if (new_level)
15868         {
15869           char level_saved_msg[64];
15870
15871           if (leveldir_former->readonly)
15872             sprintf(level_saved_msg,
15873                     "Level saved as level %d into personal level set!",
15874                     level_nr);
15875           else
15876             strcpy(level_saved_msg, "Level saved!");
15877
15878           Request(level_saved_msg, REQ_CONFIRM);
15879         }
15880       }
15881
15882       // "cd" back to copied-from levelset (in case of saved read-only level)
15883       leveldir_current = leveldir_former;
15884       level_nr = level_nr_former;
15885
15886       break;
15887     }
15888
15889     case GADGET_ID_TEST:
15890       if (LevelChanged())
15891         level.game_version = GAME_VERSION_ACTUAL;
15892
15893       CopyPlayfield(level.field, TileBackup);
15894       CopyPlayfield(Tile, level.field);
15895
15896       CopyNativeLevel_RND_to_Native(&level);
15897
15898       UnmapLevelEditorGadgets();
15899       UndrawSpecialEditorDoor();
15900
15901       CloseDoor(DOOR_CLOSE_ALL);
15902
15903       // needed before playing if editor playfield area has different size
15904       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15905
15906       // redraw_mask = REDRAW_ALL;
15907
15908       level_editor_test_game = TRUE;
15909
15910       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15911
15912       break;
15913
15914     case GADGET_ID_EXIT:
15915       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15916       break;
15917
15918     default:
15919       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15920           id <= GADGET_ID_ELEMENTLIST_LAST)
15921       {
15922         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15923
15924         new_element = editor_elements[element_position + element_shift];
15925
15926         if (IS_EDITOR_CASCADE(new_element))
15927         {
15928           int i;
15929
15930           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15931           {
15932             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15933             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15934
15935             if (*cascade_element == new_element)
15936             {
15937               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15938               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15939
15940               // update element selection list
15941               ReinitializeElementList();
15942               ModifyEditorElementList();
15943
15944               // update cascading gadget info text
15945               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15946
15947               // save current editor cascading state
15948               SaveSetup_EditorCascade();
15949
15950               break;
15951             }
15952           }
15953
15954           break;
15955         }
15956
15957         if (last_custom_copy_mode != -1)
15958         {
15959           if (CopyCustomElement(properties_element, new_element,
15960                                 last_custom_copy_mode))
15961           {
15962             ClickOnGadget(level_editor_gadget[last_drawing_function],
15963                           MB_LEFTBUTTON);
15964
15965             last_custom_copy_mode = -1;
15966           }
15967
15968           break;
15969         }
15970
15971         // change element of button used to show palette
15972         if (editor.palette.show_on_element_buttons)
15973           button = last_button;
15974
15975         PickDrawingElement(button, new_element);
15976
15977         if (!stick_element_properties_window &&
15978             drawing_function != GADGET_ID_PICK_ELEMENT &&
15979             !(GetKeyModState() & KMOD_Control))
15980         {
15981           properties_element = new_element;
15982           if (edit_mode == ED_MODE_PROPERTIES)
15983             DrawPropertiesWindow();
15984         }
15985
15986         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15987           ClickOnGadget(level_editor_gadget[last_drawing_function],
15988                         MB_LEFTBUTTON);
15989
15990         if (!use_permanent_palette)
15991           ChangeEditModeWindow(last_edit_mode);
15992       }
15993 #ifdef DEBUG
15994       else if (gi->event.type == GD_EVENT_PRESSED)
15995         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15996       else if (gi->event.type == GD_EVENT_RELEASED)
15997         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15998       else if (gi->event.type == GD_EVENT_MOVING)
15999         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16000       else
16001         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16002 #endif
16003       break;
16004   }
16005 }
16006
16007 void HandleLevelEditorKeyInput(Key key)
16008 {
16009   char letter = getCharFromKey(key);
16010
16011   if (drawing_function == GADGET_ID_TEXT &&
16012       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16013   {
16014     if (letter)
16015       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16016     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16017       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16018     else if (key == KSYM_Return)
16019       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16020     else if (key == KSYM_Escape)
16021       DrawLevelText(0, 0, 0, TEXT_END);
16022
16023     return;
16024   }
16025
16026   int id = GADGET_ID_NONE;
16027   int new_element_shift = element_shift;
16028   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16029   int button = MB_LEFTBUTTON;
16030   int i;
16031
16032   switch (key)
16033   {
16034     case KSYM_Left:
16035       id = GADGET_ID_SCROLL_LEFT;
16036       break;
16037     case KSYM_Right:
16038       id = GADGET_ID_SCROLL_RIGHT;
16039       break;
16040     case KSYM_Up:
16041       id = GADGET_ID_SCROLL_UP;
16042       break;
16043     case KSYM_Down:
16044       id = GADGET_ID_SCROLL_DOWN;
16045       break;
16046
16047     case KSYM_Page_Up:
16048     case KSYM_Page_Down:
16049       step *= (key == KSYM_Page_Up ? -1 : +1);
16050       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16051
16052       if (element_shift < 0)
16053         element_shift = 0;
16054       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16055         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16056
16057       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16058                    GDI_SCROLLBAR_ITEM_POSITION,
16059                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16060
16061       ModifyEditorElementList();
16062
16063       break;
16064
16065     case KSYM_Home:
16066     case KSYM_End:
16067       element_shift = (key == KSYM_Home ? 0 :
16068                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16069
16070       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16071                    GDI_SCROLLBAR_ITEM_POSITION,
16072                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16073
16074       ModifyEditorElementList();
16075
16076       break;
16077
16078     case KSYM_Insert:
16079     case KSYM_Delete:
16080
16081       // this is needed to prevent interference with running "True X-Mouse"
16082       if (GetKeyModStateFromEvents() & KMOD_Control)
16083         break;
16084
16085       // check for last or next editor cascade block in element list
16086       for (i = 0; i < num_editor_elements; i++)
16087       {
16088         if ((key == KSYM_Insert && i == element_shift) ||
16089             (key == KSYM_Delete && new_element_shift > element_shift))
16090           break;
16091
16092         // jump to next cascade block (or to start of element list)
16093         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16094           new_element_shift = i;
16095       }
16096
16097       if (i < num_editor_elements)
16098         element_shift = new_element_shift;
16099
16100       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16101         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16102
16103       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16104                    GDI_SCROLLBAR_ITEM_POSITION,
16105                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16106
16107       ModifyEditorElementList();
16108
16109       break;
16110
16111     case KSYM_Escape:
16112       if (edit_mode == ED_MODE_DRAWING)
16113         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16114       else if (edit_mode == ED_MODE_LEVELCONFIG)
16115         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16116       else if (edit_mode == ED_MODE_PROPERTIES)
16117         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16118       else if (edit_mode == ED_MODE_PALETTE)
16119         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16120       else              // should never happen
16121         ChangeEditModeWindow(ED_MODE_DRAWING);
16122
16123       break;
16124
16125     default:
16126       break;
16127   }
16128
16129   if (id != GADGET_ID_NONE)
16130     ClickOnGadget(level_editor_gadget[id], button);
16131   else if (letter == '1' || letter == '?')
16132     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16133   else if (letter == '2')
16134     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16135   else if (letter == '3')
16136     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16137   else if (letter == '.')
16138     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16139   else if (letter == 'U')
16140     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16141   else if (letter == '-' || key == KSYM_KP_Subtract)
16142     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16143   else if (letter == '0' || key == KSYM_KP_0)
16144     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16145   else if (letter == '+' || key == KSYM_KP_Add ||
16146            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16147     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16148   else if (key == KSYM_Return ||
16149            key == KSYM_space ||
16150            key == setup.shortcut.toggle_pause)
16151     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16152   else
16153     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16154       if (letter && letter == controlbutton_info[i].shortcut)
16155         if (!anyTextGadgetActive())
16156           ClickOnGadget(level_editor_gadget[i], button);
16157
16158   if (draw_with_brush)
16159   {
16160     if (letter == 'x')
16161       FlipBrushX();
16162     else if (letter == 'y')
16163       FlipBrushY();
16164     else if (letter == 'z')
16165       RotateBrush();
16166   }
16167 }
16168
16169 static void HandleLevelEditorIdle_Properties(void)
16170 {
16171   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16172   int x = editor.settings.element_graphic.x + element_border;
16173   int y = editor.settings.element_graphic.y + element_border;
16174   static DelayCounter action_delay = { 0 };
16175   int i;
16176
16177   action_delay.value = GameFrameDelay;
16178
16179   if (!DelayReached(&action_delay))
16180     return;
16181
16182   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16183   {
16184     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16185
16186     if (gi->mapped && gi->active && gi->selectbox.open)
16187       return;
16188   }
16189
16190   DrawEditorElementAnimation(SX + x, SY + y);
16191
16192   redraw_mask |= REDRAW_FIELD;
16193
16194   FrameCounter++;       // increase animation frame counter
16195 }
16196
16197 static void HandleLevelEditorIdle_Drawing(void)
16198 {
16199   static boolean last_highlighted = FALSE;
16200   static boolean last_highlighted_similar = FALSE;
16201   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16202   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16203
16204   if (highlighted != last_highlighted ||
16205       (highlighted && highlighted_similar != last_highlighted_similar))
16206   {
16207     DrawAreaElementHighlight(highlighted, highlighted_similar);
16208
16209     redraw_mask |= REDRAW_FIELD;
16210   }
16211
16212   last_highlighted = highlighted;
16213   last_highlighted_similar = highlighted_similar;
16214 }
16215
16216 void HandleLevelEditorIdle(void)
16217 {
16218   if (edit_mode == ED_MODE_PROPERTIES)
16219     HandleLevelEditorIdle_Properties();
16220   else if (edit_mode == ED_MODE_DRAWING)
16221     HandleLevelEditorIdle_Drawing();
16222 }
16223
16224 static void ClearEditorGadgetInfoText(void)
16225 {
16226   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16227 }
16228
16229 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16230 {
16231   char infotext[MAX_OUTPUT_LINESIZE + 1];
16232   int max_infotext_len = getMaxInfoTextLength();
16233
16234   if (gi == NULL || strlen(gi->info_text) == 0)
16235     return;
16236
16237   strncpy(infotext, gi->info_text, max_infotext_len);
16238   infotext[max_infotext_len] = '\0';
16239
16240   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16241   {
16242     int key = controlbutton_info[gi->custom_id].shortcut;
16243
16244     if (key)
16245     {
16246       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16247
16248       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16249         sprintf(shortcut, " ('.' or '%c')", key);
16250       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16251         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16252       else if (gi->custom_id == GADGET_ID_TEST)
16253         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16254       else if (gi->custom_id == GADGET_ID_UNDO)
16255         sprintf(shortcut, " ('%c/Shift-U')", key);
16256       else if (gi->custom_id == GADGET_ID_ZOOM)
16257         sprintf(shortcut, " ('%c', '0', '-')", key);
16258       else
16259         sprintf(shortcut, " ('%s%c')",
16260                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16261
16262       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16263         strcat(infotext, shortcut);
16264     }
16265   }
16266
16267   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16268 }
16269
16270 void HandleEditorGadgetInfoText(void *ptr)
16271 {
16272   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16273
16274   if (game_status != GAME_MODE_EDITOR)
16275     return;
16276
16277   ClearEditorGadgetInfoText();
16278
16279   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16280     return;
16281
16282   // misuse this function to delete brush cursor, if needed
16283   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16284     DeleteBrushFromCursor();
16285
16286   PrintEditorGadgetInfoText(gi);
16287 }
16288
16289 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16290 {
16291   int id = gi->custom_id;
16292   int type_id = gi->custom_type_id;
16293   int sx = gi->event.x;
16294   int sy = gi->event.y;
16295   int lx = sx + level_xpos;
16296   int ly = sy + level_ypos;
16297   int min_sx = 0, min_sy = 0;
16298   int max_sx = gi->drawing.area_xsize - 1;
16299   int max_sy = gi->drawing.area_ysize - 1;
16300   int actual_drawing_function = drawing_function;
16301   int max_infotext_len = getMaxInfoTextLength();
16302   char infotext[MAX_OUTPUT_LINESIZE + 1];
16303
16304   infotext[0] = '\0';           // start with empty info text
16305
16306   // pressed Control key: simulate picking element
16307   if (GetKeyModState() & KMOD_Control)
16308     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16309
16310   ClearEditorGadgetInfoText();
16311
16312   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16313     return;
16314
16315   // make sure to stay inside drawing area boundaries
16316   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16317   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16318
16319   if (id == GADGET_ID_DRAWING_LEVEL)
16320   {
16321     if (button_status)
16322     {
16323       int min_lx = 0, min_ly = 0;
16324       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16325
16326       // get positions inside level field
16327       lx = sx + level_xpos;
16328       ly = sy + level_ypos;
16329
16330       // make sure to stay inside level field boundaries
16331       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16332       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16333
16334       // correct drawing area positions accordingly
16335       sx = lx - level_xpos;
16336       sy = ly - level_ypos;
16337     }
16338
16339     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16340     {
16341       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16342       {
16343         static int start_lx = 0;
16344         static int start_ly = 0;
16345         char *text;
16346
16347         if (gi->event.type == GD_EVENT_PRESSED)
16348         {
16349           start_lx = lx;
16350           start_ly = ly;
16351         }
16352
16353         switch (actual_drawing_function)
16354         {
16355           case GADGET_ID_SINGLE_ITEMS:
16356             text = "Drawing single items";
16357             break;
16358           case GADGET_ID_CONNECTED_ITEMS:
16359             text = "Drawing connected items";
16360             break;
16361           case GADGET_ID_LINE:
16362             text = "Drawing line";
16363             break;
16364           case GADGET_ID_ARC:
16365             text = "Drawing arc";
16366             break;
16367           case GADGET_ID_TEXT:
16368             text = "Setting text cursor";
16369             break;
16370           case GADGET_ID_RECTANGLE:
16371             text = "Drawing rectangle";
16372             break;
16373           case GADGET_ID_FILLED_BOX:
16374             text = "Drawing filled box";
16375             break;
16376           case GADGET_ID_FLOOD_FILL:
16377             text = "Flood fill";
16378             break;
16379           case GADGET_ID_GRAB_BRUSH:
16380             text = "Grabbing brush";
16381             break;
16382           case GADGET_ID_PICK_ELEMENT:
16383             text = "Picking element";
16384             break;
16385
16386           default:
16387             text = "Drawing position";
16388             break;
16389         }
16390
16391         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16392           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16393         else
16394           sprintf(infotext, "%s: %d, %d", text,
16395                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16396       }
16397       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16398         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16399       else
16400         sprintf(infotext, "Level position: %d, %d", lx, ly);
16401     }
16402
16403     // misuse this function to draw brush cursor, if needed
16404     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16405     {
16406       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16407         CopyBrushToCursor(sx, sy);
16408       else
16409         DeleteBrushFromCursor();
16410     }
16411
16412     if (!draw_with_brush)
16413       UpdateBrushPosition(sx, sy);
16414   }
16415   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16416   {
16417     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16418     int element = drawingarea_info[type_id].value[pos];
16419
16420     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16421   }
16422   else
16423   {
16424     if (id == GADGET_ID_CUSTOM_CONTENT)
16425       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16426     else if (id == GADGET_ID_GROUP_CONTENT)
16427       sprintf(infotext, "group element position: %d", sx + 1);
16428     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16429              id <= GADGET_ID_YAMYAM_CONTENT_7)
16430       sprintf(infotext, "content area %d position: %d, %d",
16431               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16432     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16433              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16434       sprintf(infotext, "content area %d position: %d, %d",
16435               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16436     else if (id == GADGET_ID_ANDROID_CONTENT)
16437       sprintf(infotext, "android element position: %d", sx + 1);
16438     else if (drawingarea_info[type_id].infotext != NULL)
16439       strcpy(infotext, drawingarea_info[type_id].infotext);
16440   }
16441
16442   infotext[max_infotext_len] = '\0';
16443
16444   if (strlen(infotext) > 0)
16445     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16446 }
16447
16448 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16449                             boolean quick_quit)
16450 {
16451   if (!ask_if_level_has_changed ||
16452       !LevelChanged() ||
16453       Request("Level has changed! Exit without saving?",
16454               REQ_ASK | REQ_STAY_OPEN))
16455   {
16456     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16457     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16458
16459     // draw normal door
16460     UndrawSpecialEditorDoor();
16461
16462     // use door animation if door 1 viewport is unchanged and contains toolbox
16463     if (useEditorDoorAnimation())
16464       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16465
16466     // close editor doors if viewport definition is the same as in main menu
16467     if (vp_door_1->x      == DX     &&
16468         vp_door_1->y      == DY     &&
16469         vp_door_1->width  == DXSIZE &&
16470         vp_door_1->height == DYSIZE &&
16471         vp_door_2->x      == VX     &&
16472         vp_door_2->y      == VY     &&
16473         vp_door_2->width  == VXSIZE &&
16474         vp_door_2->height == VYSIZE)
16475       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16476     else
16477       SetDoorState(DOOR_CLOSE_ALL);
16478
16479     BackToFront();
16480
16481     if (quick_quit)
16482       FadeSkipNextFadeIn();
16483
16484     SetGameStatus(GAME_MODE_MAIN);
16485
16486     DrawMainMenu();
16487   }
16488   else
16489   {
16490     if (!global.use_envelope_request)
16491     {
16492       CloseDoor(DOOR_CLOSE_1);
16493       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16494     }
16495   }
16496 }