src/editor.c

   1 // ============================================================================
   2 // Rocks'n'Diamonds - McDuffin Strikes Back!
   3 // ----------------------------------------------------------------------------
   4 // (c) 1995-2014 by Artsoft Entertainment
   5 //                  Holger Schemel
   6 //                  info@artsoft.org
   7 //                  https://www.artsoft.org/
   8 // ----------------------------------------------------------------------------
   9 // editor.c
  10 // ============================================================================
  11
  12 #include <math.h>
  13
  14 #include "libgame/libgame.h"
  15
  16 #include "editor.h"
  17 #include "screens.h"
  18 #include "tools.h"
  19 #include "files.h"
  20 #include "game.h"
  21 #include "init.h"
  22 #include "tape.h"
  23
  24
  25 #define INFOTEXT_UNKNOWN_ELEMENT        "unknown"
  26
  27
  28 // ----------------------------------------------------------------------------
  29 // screen and artwork graphic pixel position definitions
  30 // ----------------------------------------------------------------------------
  31
  32 // values for the control window
  33 #define ED_CTRL1_BUTTONS_HORIZ          4       // toolbox
  34 #define ED_CTRL1_BUTTONS_VERT           4
  35 #define ED_CTRL2_BUTTONS_HORIZ          3       // level
  36 #define ED_CTRL2_BUTTONS_VERT           2
  37 #define ED_CTRL3_BUTTONS_HORIZ          3       // CE and GE
  38 #define ED_CTRL3_BUTTONS_VERT           1
  39 #define ED_CTRL4_BUTTONS_HORIZ          2       // CE and GE
  40 #define ED_CTRL4_BUTTONS_VERT           1
  41 #define ED_CTRL5_BUTTONS_HORIZ          1       // properties
  42 #define ED_CTRL5_BUTTONS_VERT           1
  43 #define ED_CTRL6_BUTTONS_HORIZ          3       // properties
  44 #define ED_CTRL6_BUTTONS_VERT           1
  45 #define ED_CTRL7_BUTTONS_HORIZ          1       // palette
  46 #define ED_CTRL7_BUTTONS_VERT           1
  47
  48 #define ED_NUM_CTRL1_BUTTONS   (ED_CTRL1_BUTTONS_HORIZ * ED_CTRL1_BUTTONS_VERT)
  49 #define ED_NUM_CTRL2_BUTTONS   (ED_CTRL2_BUTTONS_HORIZ * ED_CTRL2_BUTTONS_VERT)
  50 #define ED_NUM_CTRL3_BUTTONS   (ED_CTRL3_BUTTONS_HORIZ * ED_CTRL3_BUTTONS_VERT)
  51 #define ED_NUM_CTRL4_BUTTONS   (ED_CTRL4_BUTTONS_HORIZ * ED_CTRL4_BUTTONS_VERT)
  52 #define ED_NUM_CTRL5_BUTTONS   (ED_CTRL5_BUTTONS_HORIZ * ED_CTRL5_BUTTONS_VERT)
  53 #define ED_NUM_CTRL6_BUTTONS   (ED_CTRL6_BUTTONS_HORIZ * ED_CTRL6_BUTTONS_VERT)
  54 #define ED_NUM_CTRL7_BUTTONS   (ED_CTRL7_BUTTONS_HORIZ * ED_CTRL7_BUTTONS_VERT)
  55 #define ED_NUM_CTRL1_2_BUTTONS (ED_NUM_CTRL1_BUTTONS   + ED_NUM_CTRL2_BUTTONS)
  56 #define ED_NUM_CTRL1_3_BUTTONS (ED_NUM_CTRL1_2_BUTTONS + ED_NUM_CTRL3_BUTTONS)
  57 #define ED_NUM_CTRL1_4_BUTTONS (ED_NUM_CTRL1_3_BUTTONS + ED_NUM_CTRL4_BUTTONS)
  58 #define ED_NUM_CTRL1_5_BUTTONS (ED_NUM_CTRL1_4_BUTTONS + ED_NUM_CTRL5_BUTTONS)
  59 #define ED_NUM_CTRL1_6_BUTTONS (ED_NUM_CTRL1_5_BUTTONS + ED_NUM_CTRL6_BUTTONS)
  60 #define ED_NUM_CTRL1_7_BUTTONS (ED_NUM_CTRL1_6_BUTTONS + ED_NUM_CTRL7_BUTTONS)
  61 #define ED_NUM_CTRL_BUTTONS    ED_NUM_CTRL1_7_BUTTONS
  62
  63 // values for the element list
  64 #define ED_ELEMENTLIST_XPOS             (editor.palette.x)
  65 #define ED_ELEMENTLIST_YPOS             (editor.palette.y)
  66 #define ED_ELEMENTLIST_XSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].width)
  67 #define ED_ELEMENTLIST_YSIZE            (graphic_info[IMG_EDITOR_PALETTE_BUTTON].height)
  68 #define ED_ELEMENTLIST_COLS             MAX(1, editor.palette.cols)
  69 #define ED_ELEMENTLIST_ROWS             MAX(1, editor.palette.rows)
  70 #define ED_ELEMENTLIST_BUTTONS_HORIZ    (ED_ELEMENTLIST_COLS)
  71 #define ED_ELEMENTLIST_BUTTONS_VERT     (ED_ELEMENTLIST_ROWS)
  72 #define ED_NUM_ELEMENTLIST_BUTTONS      (ED_ELEMENTLIST_BUTTONS_HORIZ * \
  73                                          ED_ELEMENTLIST_BUTTONS_VERT)
  74
  75 // standard distances
  76 #define ED_GADGET_NORMAL_DISTANCE       (editor.gadget.normal_spacing)
  77 #define ED_GADGET_SMALL_DISTANCE        (editor.gadget.small_spacing)
  78 #define ED_GADGET_TINY_DISTANCE         (editor.gadget.tiny_spacing)
  79 #define ED_GADGET_LINE_DISTANCE         (editor.gadget.line_spacing)
  80 #define ED_GADGET_TEXT_DISTANCE         (editor.gadget.text_spacing)
  81 #define ED_TAB_BAR_HEIGHT               (editor.gadget.separator_line.height)
  82 #define ED_DRAWINGAREA_TEXT_DISTANCE    (ED_GADGET_TEXT_DISTANCE +      \
  83                                          ED_DRAWINGAREA_BORDER_SIZE)
  84 #define ED_GADGET_SPACE_DISTANCE        (getFontWidth(FONT_TEXT_1))
  85
  86 // values for drawingarea gadgets
  87 #define IMG_BORDER_1                    IMG_EDITOR_ELEMENT_BORDER
  88 #define IMG_BORDER_2                    IMG_EDITOR_ELEMENT_BORDER_INPUT
  89 #define ED_ELEMENT_BORDER               (graphic_info[IMG_BORDER_1].border_size)
  90 #define ED_DRAWINGAREA_BORDER_SIZE      (graphic_info[IMG_BORDER_2].border_size)
  91 #define ED_DRAWINGAREA_TILE_SIZE        (editor.drawingarea.tile_size)
  92
  93 // values for checkbutton gadgets
  94 #define ED_CHECKBUTTON_XSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].width)
  95 #define ED_CHECKBUTTON_YSIZE         (graphic_info[IMG_EDITOR_CHECKBOX].height)
  96
  97 #define ED_TABBUTTON_XSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].width)
  98 #define ED_TABBUTTON_YSIZE           (graphic_info[IMG_EDITOR_TABBUTTON].height)
  99
 100 #define ED_SETTINGS_LEVEL_TABS_X        (editor.settings.tabs.x)
 101 #define ED_SETTINGS_LEVEL_TABS_Y        (editor.settings.tabs.y)
 102 #define ED_SETTINGS_ELEMENT_TABS_X      (editor.settings.tabs.x)
 103 #define ED_SETTINGS_ELEMENT_TABS_Y      (editor.settings.tabs.y +       \
 104                                          editor.settings.tabs.yoffset2)
 105
 106 #define ED_SETTINGS_TABS_XOFFSET        (editor.settings.tabs.draw_xoffset)
 107 #define ED_SETTINGS_TABS_YOFFSET        (editor.settings.tabs.draw_yoffset)
 108
 109 #define ED_LEVEL_TABS_XSTART            (ED_SETTINGS_LEVEL_TABS_X)
 110 #define ED_LEVEL_TABS_YSTART            (ED_SETTINGS_LEVEL_TABS_Y)
 111 #define ED_LEVEL_SETTINGS_XSTART        (ED_SETTINGS_LEVEL_TABS_X +     \
 112                                          ED_SETTINGS_TABS_XOFFSET)
 113 #define ED_LEVEL_SETTINGS_YSTART        (ED_SETTINGS_LEVEL_TABS_Y +     \
 114                                          ED_TABBUTTON_YSIZE +           \
 115                                          ED_GADGET_TINY_DISTANCE +      \
 116                                          ED_TAB_BAR_HEIGHT +            \
 117                                          ED_SETTINGS_TABS_YOFFSET +     \
 118                                          getFontHeight(FONT_TEXT_1) +   \
 119                                          ED_GADGET_TEXT_DISTANCE)
 120 #define ED_ELEMENT_TABS_XSTART          (ED_SETTINGS_ELEMENT_TABS_X)
 121 #define ED_ELEMENT_TABS_YSTART          (ED_SETTINGS_ELEMENT_TABS_Y)
 122 #define ED_ELEMENT_SETTINGS_XSTART      (ED_SETTINGS_ELEMENT_TABS_X +   \
 123                                          ED_SETTINGS_TABS_XOFFSET)
 124 #define ED_ELEMENT_SETTINGS_YSTART      (ED_SETTINGS_ELEMENT_TABS_Y +   \
 125                                          ED_TABBUTTON_YSIZE +           \
 126                                          ED_GADGET_TINY_DISTANCE +      \
 127                                          ED_TAB_BAR_HEIGHT +            \
 128                                          ED_SETTINGS_TABS_YOFFSET)
 129
 130 #define ED_SETTINGS_XOFFSET             (ED_CHECKBUTTON_XSIZE +         \
 131                                          ED_GADGET_TEXT_DISTANCE)
 132 #define ED_SETTINGS_YOFFSET             (ED_CHECKBUTTON_YSIZE +         \
 133                                          ED_GADGET_LINE_DISTANCE)
 134
 135 #define ED_POS_RANGE                    (10000)
 136 #define ED_POS_LEVEL_TABS_FIRST         (1 * ED_POS_RANGE)
 137 #define ED_POS_LEVEL_TABS_LAST          (2 * ED_POS_RANGE - 1)
 138 #define ED_POS_LEVEL_SETTINGS_FIRST     (2 * ED_POS_RANGE)
 139 #define ED_POS_LEVEL_SETTINGS_LAST      (3 * ED_POS_RANGE - 1)
 140 #define ED_POS_ELEMENT_TABS_FIRST       (3 * ED_POS_RANGE)
 141 #define ED_POS_ELEMENT_TABS_LAST        (4 * ED_POS_RANGE - 1)
 142 #define ED_POS_ELEMENT_SETTINGS_FIRST   (4 * ED_POS_RANGE)
 143 #define ED_POS_ELEMENT_SETTINGS_LAST    (5 * ED_POS_RANGE - 1)
 144
 145 #define ED_LEVEL_TABS_XPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 146 #define ED_LEVEL_TABS_YPOS(n)           (ED_POS_LEVEL_TABS_FIRST + (n))
 147
 148 #define ED_LEVEL_SETTINGS_XPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 149 #define ED_LEVEL_SETTINGS_YPOS(n)       (ED_POS_LEVEL_SETTINGS_FIRST + (n))
 150
 151 #define ED_ELEMENT_TABS_XPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 152 #define ED_ELEMENT_TABS_YPOS(n)         (ED_POS_ELEMENT_TABS_FIRST + (n))
 153
 154 #define ED_ELEMENT_SETTINGS_XPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 155 #define ED_ELEMENT_SETTINGS_YPOS(n)     (ED_POS_ELEMENT_SETTINGS_FIRST + (n))
 156
 157 #define IS_POS_LEVEL_TABS(n)          ((n) >= ED_POS_LEVEL_TABS_FIRST && \
 158                                        (n) <= ED_POS_LEVEL_TABS_LAST)
 159 #define IS_POS_LEVEL_SETTINGS(n)      ((n) >= ED_POS_LEVEL_SETTINGS_FIRST && \
 160                                        (n) <= ED_POS_LEVEL_SETTINGS_LAST)
 161 #define IS_POS_ELEMENT_TABS(n)        ((n) >= ED_POS_ELEMENT_TABS_FIRST && \
 162                                        (n) <= ED_POS_ELEMENT_TABS_LAST)
 163 #define IS_POS_ELEMENT_SETTINGS(n)    ((n) >= ED_POS_ELEMENT_SETTINGS_FIRST && \
 164                                        (n) <= ED_POS_ELEMENT_SETTINGS_LAST)
 165
 166 #define ED_LEVEL_TABS_LINE(n)           ((n) - ED_POS_LEVEL_TABS_FIRST)
 167 #define ED_LEVEL_SETTINGS_LINE(n)       ((n) - ED_POS_LEVEL_SETTINGS_FIRST)
 168 #define ED_ELEMENT_TABS_LINE(n)         ((n) - ED_POS_ELEMENT_TABS_FIRST)
 169 #define ED_ELEMENT_SETTINGS_LINE(n)     ((n) - ED_POS_ELEMENT_SETTINGS_FIRST)
 170
 171 #define ED_LEVEL_TABS_X(n)              (ED_LEVEL_TABS_XSTART + \
 172                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 173 #define ED_LEVEL_TABS_Y(n)              (ED_LEVEL_TABS_YSTART + \
 174                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 175
 176 #define ED_LEVEL_SETTINGS_X(n)          (ED_LEVEL_SETTINGS_XSTART +     \
 177                                          (n) * ED_SETTINGS_XOFFSET)
 178 #define ED_LEVEL_SETTINGS_Y(n)          (ED_LEVEL_SETTINGS_YSTART +     \
 179                                          (n) * ED_SETTINGS_YOFFSET)
 180
 181 #define ED_ELEMENT_TABS_X(n)            (ED_ELEMENT_TABS_XSTART +       \
 182                                          (n) * ED_SETTINGS_TABS_XOFFSET)
 183 #define ED_ELEMENT_TABS_Y(n)            (ED_ELEMENT_TABS_YSTART +       \
 184                                          (n) * ED_SETTINGS_TABS_YOFFSET)
 185
 186 #define ED_ELEMENT_SETTINGS_X(n)        (ED_ELEMENT_SETTINGS_XSTART +   \
 187                                          (n) * ED_SETTINGS_XOFFSET)
 188 #define ED_ELEMENT_SETTINGS_Y(n)        (ED_ELEMENT_SETTINGS_YSTART +   \
 189                                          (n) * ED_SETTINGS_YOFFSET)
 190
 191 #define ED_POS_TO_LEVEL_TABS_X(n)       \
 192   (ED_LEVEL_TABS_X(ED_LEVEL_TABS_LINE(n)))
 193 #define ED_POS_TO_LEVEL_TABS_Y(n)       \
 194   (ED_LEVEL_TABS_Y(ED_LEVEL_TABS_LINE(n)))
 195
 196 #define ED_POS_TO_LEVEL_SETTINGS_X(n)   \
 197   (ED_LEVEL_SETTINGS_X(ED_LEVEL_SETTINGS_LINE(n)))
 198 #define ED_POS_TO_LEVEL_SETTINGS_Y(n)   \
 199   (ED_LEVEL_SETTINGS_Y(ED_LEVEL_SETTINGS_LINE(n)))
 200
 201 #define ED_POS_TO_ELEMENT_TABS_X(n)     \
 202   (ED_ELEMENT_TABS_X(ED_ELEMENT_TABS_LINE(n)))
 203 #define ED_POS_TO_ELEMENT_TABS_Y(n)     \
 204   (ED_ELEMENT_TABS_Y(ED_ELEMENT_TABS_LINE(n)))
 205
 206 #define ED_POS_TO_ELEMENT_SETTINGS_X(n) \
 207   (ED_ELEMENT_SETTINGS_X(ED_ELEMENT_SETTINGS_LINE(n)))
 208 #define ED_POS_TO_ELEMENT_SETTINGS_Y(n) \
 209   (ED_ELEMENT_SETTINGS_Y(ED_ELEMENT_SETTINGS_LINE(n)))
 210
 211 #define ED_SETTINGS_X(n)                (IS_POS_LEVEL_TABS(n) ? \
 212                                          ED_POS_TO_LEVEL_TABS_X(n) : \
 213                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 214                                          ED_POS_TO_LEVEL_SETTINGS_X(n) : \
 215                                          IS_POS_ELEMENT_TABS(n) ?       \
 216                                          ED_POS_TO_ELEMENT_TABS_X(n) : \
 217                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 218                                          ED_POS_TO_ELEMENT_SETTINGS_X(n) : (n))
 219 #define ED_SETTINGS_Y(n)                (IS_POS_LEVEL_TABS(n) ? \
 220                                          ED_POS_TO_LEVEL_TABS_Y(n) : \
 221                                          IS_POS_LEVEL_SETTINGS(n) ?     \
 222                                          ED_POS_TO_LEVEL_SETTINGS_Y(n) : \
 223                                          IS_POS_ELEMENT_TABS(n) ?       \
 224                                          ED_POS_TO_ELEMENT_TABS_Y(n) : \
 225                                          IS_POS_ELEMENT_SETTINGS(n) ?   \
 226                                          ED_POS_TO_ELEMENT_SETTINGS_Y(n) : (n))
 227
 228 #define ED_SETTINGS_XOFF(n)             (5 * ((n) % 4) *                \
 229                                          ED_DRAWINGAREA_TILE_SIZE)
 230 #define ED_SETTINGS_YOFF(n)             (5 * ((n) / 4) *                \
 231                                          ED_DRAWINGAREA_TILE_SIZE)
 232
 233 #define ED_AREA_XOFFSET_1(n)            ((n) != 0 ?                     \
 234                                          ED_DRAWINGAREA_BORDER_SIZE : 0)
 235 #define ED_AREA_YOFFSET_1(n)            ((n) != 0 ?                     \
 236                                          (ED_CHECKBUTTON_YSIZE -        \
 237                                           ED_DRAWINGAREA_TILE_SIZE) / 2 : 0)
 238
 239 #define ED_AREA_XOFFSET_2(n)      (0)
 240 #define ED_AREA_YOFFSET_2(n)      ((n) == 3 ?                   \
 241                                    ((n) - 1) * ED_DRAWINGAREA_TILE_SIZE / 2 : 0)
 242
 243 #define ED_AREA_SETTINGS_X(i)      (ED_SETTINGS_X((i).x) +              \
 244                                     ED_SETTINGS_XOFF((i).xoffset) +     \
 245                                     ED_AREA_XOFFSET_1((i).x) -          \
 246                                     ED_AREA_XOFFSET_2((i).area_xsize))
 247 #define ED_AREA_SETTINGS_Y(i)      (ED_SETTINGS_Y((i).y) +              \
 248                                     ED_SETTINGS_YOFF((i).yoffset) +     \
 249                                     ED_AREA_YOFFSET_1((i).y) -          \
 250                                     ED_AREA_YOFFSET_2((i).area_ysize))
 251
 252 // values for element content drawing areas
 253 #define ED_AREA_1X1_LSETTINGS_XPOS(n)   ED_LEVEL_SETTINGS_XPOS(n)
 254 #define ED_AREA_1X1_LSETTINGS_YPOS(n)   ED_LEVEL_SETTINGS_YPOS(n)
 255 #define ED_AREA_1X1_LSETTINGS_XOFF      (0)
 256 #define ED_AREA_1X1_LSETTINGS_YOFF      (0)
 257
 258 #define ED_AREA_1X1_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 259 #define ED_AREA_1X1_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 260 #define ED_AREA_1X1_SETTINGS_XOFF       (0)
 261 #define ED_AREA_1X1_SETTINGS_YOFF       (0)
 262
 263 #define ED_AREA_3X3_SETTINGS_XPOS(n)    ED_ELEMENT_SETTINGS_XPOS(n)
 264 #define ED_AREA_3X3_SETTINGS_YPOS(n)    ED_ELEMENT_SETTINGS_YPOS(n)
 265 #define ED_AREA_3X3_SETTINGS_XOFF       (0)
 266 #define ED_AREA_3X3_SETTINGS_YOFF       (0)
 267
 268 // element content
 269 #define ED_AREA_ELEMENT_CONTENT_XOFF(n) (n)
 270 #define ED_AREA_ELEMENT_CONTENT_YOFF(n) (n)
 271
 272 // yamyam content
 273 #define ED_XPOS_YAM                     0
 274 #define ED_YPOS_YAM                     5
 275 #define ED_AREA_YAMYAM_CONTENT_XPOS     ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_YAM)
 276 #define ED_AREA_YAMYAM_CONTENT_YPOS     ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_YAM)
 277 #define ED_AREA_YAMYAM_CONTENT_XOFF(n)  ED_AREA_ELEMENT_CONTENT_XOFF(n)
 278 #define ED_AREA_YAMYAM_CONTENT_YOFF(n)  ED_AREA_ELEMENT_CONTENT_YOFF(n)
 279 #define ED_AREA_YAMYAM_CONTENT_X(n)     (ED_ELEMENT_SETTINGS_X(ED_XPOS_YAM) + \
 280                                          ED_SETTINGS_XOFF(n))
 281 #define ED_AREA_YAMYAM_CONTENT_Y(n)     (ED_ELEMENT_SETTINGS_Y(ED_YPOS_YAM) + \
 282                                          ED_SETTINGS_YOFF(n) +          \
 283                                          ED_AREA_YOFFSET_1(ED_YPOS_YAM) - \
 284                                          ED_AREA_YOFFSET_2(3))
 285
 286 // magic ball content
 287 #define ED_XPOS_BALL                    0
 288 #define ED_YPOS_BALL                    6
 289 #define ED_AREA_MAGIC_BALL_CONTENT_XPOS ED_ELEMENT_SETTINGS_XPOS(ED_XPOS_BALL)
 290 #define ED_AREA_MAGIC_BALL_CONTENT_YPOS ED_ELEMENT_SETTINGS_YPOS(ED_YPOS_BALL)
 291 #define ED_AREA_MAGIC_BALL_CONTENT_XOFF(n) ED_AREA_ELEMENT_CONTENT_XOFF(n)
 292 #define ED_AREA_MAGIC_BALL_CONTENT_YOFF(n) ED_AREA_ELEMENT_CONTENT_YOFF(n)
 293 #define ED_AREA_MAGIC_BALL_CONTENT_X(n) (ED_ELEMENT_SETTINGS_X(ED_XPOS_BALL) + \
 294                                          ED_SETTINGS_XOFF(n))
 295 #define ED_AREA_MAGIC_BALL_CONTENT_Y(n) (ED_ELEMENT_SETTINGS_Y(ED_YPOS_BALL) + \
 296                                          ED_SETTINGS_YOFF(n) +          \
 297                                          ED_AREA_YOFFSET_1(ED_YPOS_BALL) - \
 298                                          ED_AREA_YOFFSET_2(3))
 299
 300 // values for scrolling gadgets for drawing area
 301 #define ED_SCROLLBUTTON_XSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].width)
 302 #define ED_SCROLLBUTTON_YSIZE           (graphic_info[IMG_EDITOR_PLAYFIELD_SCROLLBAR].height)
 303
 304 #define ED_SCROLL_UP_XPOS               (SXSIZE - ED_SCROLLBUTTON_XSIZE)
 305 #define ED_SCROLL_UP_YPOS               (0)
 306 #define ED_SCROLL_DOWN_XPOS             ED_SCROLL_UP_XPOS
 307 #define ED_SCROLL_DOWN_YPOS             (SYSIZE - 3 * ED_SCROLLBUTTON_YSIZE)
 308 #define ED_SCROLL_LEFT_XPOS             (0)
 309 #define ED_SCROLL_LEFT_YPOS             (SYSIZE - 2 * ED_SCROLLBUTTON_YSIZE)
 310 #define ED_SCROLL_RIGHT_XPOS            (SXSIZE - 2 * ED_SCROLLBUTTON_XSIZE)
 311 #define ED_SCROLL_RIGHT_YPOS            ED_SCROLL_LEFT_YPOS
 312 #define ED_SCROLL_HORIZONTAL_XPOS       (ED_SCROLL_LEFT_XPOS +          \
 313                                          ED_SCROLLBUTTON_XSIZE)
 314 #define ED_SCROLL_HORIZONTAL_YPOS       ED_SCROLL_LEFT_YPOS
 315 #define ED_SCROLL_HORIZONTAL_XSIZE      (SXSIZE - 3 * ED_SCROLLBUTTON_XSIZE)
 316 #define ED_SCROLL_HORIZONTAL_YSIZE      ED_SCROLLBUTTON_YSIZE
 317 #define ED_SCROLL_VERTICAL_XPOS         ED_SCROLL_UP_XPOS
 318 #define ED_SCROLL_VERTICAL_YPOS         (ED_SCROLL_UP_YPOS +            \
 319                                          ED_SCROLLBUTTON_YSIZE)
 320 #define ED_SCROLL_VERTICAL_XSIZE        ED_SCROLLBUTTON_XSIZE
 321 #define ED_SCROLL_VERTICAL_YSIZE        (SYSIZE - 4 * ED_SCROLLBUTTON_YSIZE)
 322
 323 // values for scrolling gadgets for element list
 324 #define ED_SCROLLBUTTON2_XSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].width)
 325 #define ED_SCROLLBUTTON2_YSIZE          (graphic_info[IMG_EDITOR_PALETTE_SCROLL_UP].height)
 326
 327 #define ED_SCROLL2_UP_XPOS              (ED_ELEMENTLIST_XPOS +          \
 328                                          ED_ELEMENTLIST_BUTTONS_HORIZ * \
 329                                          ED_ELEMENTLIST_XSIZE)
 330 #define ED_SCROLL2_UP_YPOS              ED_ELEMENTLIST_YPOS
 331 #define ED_SCROLL2_DOWN_XPOS            ED_SCROLL2_UP_XPOS
 332 #define ED_SCROLL2_DOWN_YPOS            (ED_SCROLL2_UP_YPOS +           \
 333                                          ED_ELEMENTLIST_BUTTONS_VERT *  \
 334                                          ED_ELEMENTLIST_YSIZE -         \
 335                                          ED_SCROLLBUTTON2_YSIZE)
 336 #define ED_SCROLL2_VERTICAL_XPOS        ED_SCROLL2_UP_XPOS
 337 #define ED_SCROLL2_VERTICAL_YPOS        (ED_SCROLL2_UP_YPOS +           \
 338                                          ED_SCROLLBUTTON2_YSIZE)
 339 #define ED_SCROLL2_VERTICAL_XSIZE       ED_SCROLLBUTTON2_XSIZE
 340 #define ED_SCROLL2_VERTICAL_YSIZE       (ED_ELEMENTLIST_BUTTONS_VERT *  \
 341                                          ED_ELEMENTLIST_YSIZE -         \
 342                                          2 * ED_SCROLLBUTTON2_YSIZE)
 343
 344 // values for ClearEditorGadgetInfoText() and HandleEditorGadgetInfoText()
 345 #define INFOTEXT_FONT           FONT_TEXT_2
 346 #define INFOTEXT_XSIZE          SXSIZE
 347 #define INFOTEXT_YSIZE          getFontHeight(INFOTEXT_FONT)
 348 #define INFOTEXT_YSIZE_FULL     (INFOTEXT_YSIZE + ED_GADGET_SMALL_DISTANCE)
 349 #define INFOTEXT_X              (editor.settings.tooltip.x)
 350 #define INFOTEXT_Y              (editor.settings.tooltip.y)
 351 #define INFOTEXT_XY_REDEFINED   (INFOTEXT_X != -1 || INFOTEXT_Y != -1)
 352 #define INFOTEXT_XPOS           SX + (INFOTEXT_XY_REDEFINED ? INFOTEXT_X : 0)
 353 #define INFOTEXT_YPOS           SY + (INFOTEXT_XY_REDEFINED ? INFOTEXT_Y : \
 354                                       SYSIZE - INFOTEXT_YSIZE)
 355
 356
 357 // ----------------------------------------------------------------------------
 358 // editor gadget definitions
 359 // ----------------------------------------------------------------------------
 360
 361 enum
 362 {
 363   GADGET_ID_NONE = -1,
 364
 365   // drawing toolbox buttons
 366
 367   GADGET_ID_SINGLE_ITEMS,
 368   GADGET_ID_CONNECTED_ITEMS,
 369   GADGET_ID_LINE,
 370   GADGET_ID_ARC,
 371   GADGET_ID_RECTANGLE,
 372   GADGET_ID_FILLED_BOX,
 373   GADGET_ID_WRAP_UP,
 374   GADGET_ID_TEXT,
 375   GADGET_ID_FLOOD_FILL,
 376   GADGET_ID_WRAP_LEFT,
 377   GADGET_ID_ZOOM,
 378   GADGET_ID_WRAP_RIGHT,
 379   GADGET_ID_RANDOM_PLACEMENT,
 380   GADGET_ID_GRAB_BRUSH,
 381   GADGET_ID_WRAP_DOWN,
 382   GADGET_ID_PICK_ELEMENT,
 383
 384   GADGET_ID_UNDO,
 385   GADGET_ID_CONF,
 386   GADGET_ID_SAVE,
 387   GADGET_ID_CLEAR,
 388   GADGET_ID_TEST,
 389   GADGET_ID_EXIT,
 390
 391   GADGET_ID_CUSTOM_COPY_FROM,
 392   GADGET_ID_CUSTOM_COPY_TO,
 393   GADGET_ID_CUSTOM_EXCHANGE,
 394   GADGET_ID_CUSTOM_COPY,
 395   GADGET_ID_CUSTOM_PASTE,
 396
 397   GADGET_ID_PROPERTIES,
 398   GADGET_ID_ELEMENT_LEFT,
 399   GADGET_ID_ELEMENT_MIDDLE,
 400   GADGET_ID_ELEMENT_RIGHT,
 401   GADGET_ID_PALETTE,
 402
 403   // counter gadget identifiers
 404
 405   GADGET_ID_SELECT_LEVEL_DOWN,
 406   GADGET_ID_SELECT_LEVEL_TEXT,
 407   GADGET_ID_SELECT_LEVEL_UP,
 408   GADGET_ID_LEVEL_XSIZE_DOWN,
 409   GADGET_ID_LEVEL_XSIZE_TEXT,
 410   GADGET_ID_LEVEL_XSIZE_UP,
 411   GADGET_ID_LEVEL_YSIZE_DOWN,
 412   GADGET_ID_LEVEL_YSIZE_TEXT,
 413   GADGET_ID_LEVEL_YSIZE_UP,
 414   GADGET_ID_LEVEL_RANDOM_DOWN,
 415   GADGET_ID_LEVEL_RANDOM_TEXT,
 416   GADGET_ID_LEVEL_RANDOM_UP,
 417   GADGET_ID_LEVEL_GEMSLIMIT_DOWN,
 418   GADGET_ID_LEVEL_GEMSLIMIT_TEXT,
 419   GADGET_ID_LEVEL_GEMSLIMIT_UP,
 420   GADGET_ID_LEVEL_TIMELIMIT_DOWN,
 421   GADGET_ID_LEVEL_TIMELIMIT_TEXT,
 422   GADGET_ID_LEVEL_TIMELIMIT_UP,
 423   GADGET_ID_LEVEL_TIMESCORE_DOWN,
 424   GADGET_ID_LEVEL_TIMESCORE_TEXT,
 425   GADGET_ID_LEVEL_TIMESCORE_UP,
 426   GADGET_ID_LEVEL_RANDOM_SEED_DOWN,
 427   GADGET_ID_LEVEL_RANDOM_SEED_TEXT,
 428   GADGET_ID_LEVEL_RANDOM_SEED_UP,
 429   GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,
 430   GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,
 431   GADGET_ID_LEVELSET_NUM_LEVELS_UP,
 432   GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,
 433   GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,
 434   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
 435   GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,
 436   GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,
 437   GADGET_ID_BD_CYCLE_DELAY_C64_UP,
 438   GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,
 439   GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,
 440   GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
 441   GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,
 442   GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,
 443   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
 444   GADGET_ID_BD_PUSHING_PROB_DOWN,
 445   GADGET_ID_BD_PUSHING_PROB_TEXT,
 446   GADGET_ID_BD_PUSHING_PROB_UP,
 447   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,
 448   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,
 449   GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
 450   GADGET_ID_ELEMENT_VALUE1_DOWN,
 451   GADGET_ID_ELEMENT_VALUE1_TEXT,
 452   GADGET_ID_ELEMENT_VALUE1_UP,
 453   GADGET_ID_ELEMENT_VALUE2_DOWN,
 454   GADGET_ID_ELEMENT_VALUE2_TEXT,
 455   GADGET_ID_ELEMENT_VALUE2_UP,
 456   GADGET_ID_ELEMENT_VALUE3_DOWN,
 457   GADGET_ID_ELEMENT_VALUE3_TEXT,
 458   GADGET_ID_ELEMENT_VALUE3_UP,
 459   GADGET_ID_ELEMENT_VALUE4_DOWN,
 460   GADGET_ID_ELEMENT_VALUE4_TEXT,
 461   GADGET_ID_ELEMENT_VALUE4_UP,
 462   GADGET_ID_YAMYAM_CONTENT_DOWN,
 463   GADGET_ID_YAMYAM_CONTENT_TEXT,
 464   GADGET_ID_YAMYAM_CONTENT_UP,
 465   GADGET_ID_BALL_CONTENT_DOWN,
 466   GADGET_ID_BALL_CONTENT_TEXT,
 467   GADGET_ID_BALL_CONTENT_UP,
 468   GADGET_ID_ANDROID_CONTENT_DOWN,
 469   GADGET_ID_ANDROID_CONTENT_TEXT,
 470   GADGET_ID_ANDROID_CONTENT_UP,
 471   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 472   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 473   GADGET_ID_ENVELOPE_XSIZE_UP,
 474   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 475   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 476   GADGET_ID_ENVELOPE_YSIZE_UP,
 477   GADGET_ID_INVENTORY_SIZE_DOWN,
 478   GADGET_ID_INVENTORY_SIZE_TEXT,
 479   GADGET_ID_INVENTORY_SIZE_UP,
 480   GADGET_ID_MM_BALL_CONTENT_DOWN,
 481   GADGET_ID_MM_BALL_CONTENT_TEXT,
 482   GADGET_ID_MM_BALL_CONTENT_UP,
 483   GADGET_ID_CUSTOM_SCORE_DOWN,
 484   GADGET_ID_CUSTOM_SCORE_TEXT,
 485   GADGET_ID_CUSTOM_SCORE_UP,
 486   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 487   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 488   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 489   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 490   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 491   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 492   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 493   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 494   GADGET_ID_CUSTOM_VALUE_RND_UP,
 495   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 496   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 497   GADGET_ID_PUSH_DELAY_FIX_UP,
 498   GADGET_ID_PUSH_DELAY_RND_DOWN,
 499   GADGET_ID_PUSH_DELAY_RND_TEXT,
 500   GADGET_ID_PUSH_DELAY_RND_UP,
 501   GADGET_ID_DROP_DELAY_FIX_DOWN,
 502   GADGET_ID_DROP_DELAY_FIX_TEXT,
 503   GADGET_ID_DROP_DELAY_FIX_UP,
 504   GADGET_ID_DROP_DELAY_RND_DOWN,
 505   GADGET_ID_DROP_DELAY_RND_TEXT,
 506   GADGET_ID_DROP_DELAY_RND_UP,
 507   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 508   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 509   GADGET_ID_MOVE_DELAY_FIX_UP,
 510   GADGET_ID_MOVE_DELAY_RND_DOWN,
 511   GADGET_ID_MOVE_DELAY_RND_TEXT,
 512   GADGET_ID_MOVE_DELAY_RND_UP,
 513   GADGET_ID_STEP_DELAY_FIX_DOWN,
 514   GADGET_ID_STEP_DELAY_FIX_TEXT,
 515   GADGET_ID_STEP_DELAY_FIX_UP,
 516   GADGET_ID_STEP_DELAY_RND_DOWN,
 517   GADGET_ID_STEP_DELAY_RND_TEXT,
 518   GADGET_ID_STEP_DELAY_RND_UP,
 519   GADGET_ID_EXPLOSION_DELAY_DOWN,
 520   GADGET_ID_EXPLOSION_DELAY_TEXT,
 521   GADGET_ID_EXPLOSION_DELAY_UP,
 522   GADGET_ID_IGNITION_DELAY_DOWN,
 523   GADGET_ID_IGNITION_DELAY_TEXT,
 524   GADGET_ID_IGNITION_DELAY_UP,
 525   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 526   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 527   GADGET_ID_CHANGE_DELAY_FIX_UP,
 528   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 529   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 530   GADGET_ID_CHANGE_DELAY_RND_UP,
 531   GADGET_ID_CHANGE_CONT_RND_DOWN,
 532   GADGET_ID_CHANGE_CONT_RND_TEXT,
 533   GADGET_ID_CHANGE_CONT_RND_UP,
 534   GADGET_ID_GROUP_CONTENT_DOWN,
 535   GADGET_ID_GROUP_CONTENT_TEXT,
 536   GADGET_ID_GROUP_CONTENT_UP,
 537
 538   // drawing area identifiers
 539
 540   GADGET_ID_DRAWING_LEVEL,
 541   GADGET_ID_YAMYAM_CONTENT_0,
 542   GADGET_ID_YAMYAM_CONTENT_1,
 543   GADGET_ID_YAMYAM_CONTENT_2,
 544   GADGET_ID_YAMYAM_CONTENT_3,
 545   GADGET_ID_YAMYAM_CONTENT_4,
 546   GADGET_ID_YAMYAM_CONTENT_5,
 547   GADGET_ID_YAMYAM_CONTENT_6,
 548   GADGET_ID_YAMYAM_CONTENT_7,
 549   GADGET_ID_MAGIC_BALL_CONTENT_0,
 550   GADGET_ID_MAGIC_BALL_CONTENT_1,
 551   GADGET_ID_MAGIC_BALL_CONTENT_2,
 552   GADGET_ID_MAGIC_BALL_CONTENT_3,
 553   GADGET_ID_MAGIC_BALL_CONTENT_4,
 554   GADGET_ID_MAGIC_BALL_CONTENT_5,
 555   GADGET_ID_MAGIC_BALL_CONTENT_6,
 556   GADGET_ID_MAGIC_BALL_CONTENT_7,
 557   GADGET_ID_ANDROID_CONTENT,
 558   GADGET_ID_AMOEBA_CONTENT,
 559   GADGET_ID_BD_SNAP_ELEMENT,
 560   GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,
 561   GADGET_ID_BD_MAGIC_WALL_ROCK_TO,
 562   GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
 563   GADGET_ID_BD_MAGIC_WALL_NUT_TO,
 564   GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
 565   GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
 566   GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
 567   GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,
 568   GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,
 569   GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
 570   GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
 571   GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
 572   GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
 573   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
 574   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
 575   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
 576   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
 577   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
 578   GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
 579   GADGET_ID_BD_ACID_EATS_ELEMENT,
 580   GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,
 581   GADGET_ID_BD_BITER_EATS_ELEMENT,
 582   GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
 583   GADGET_ID_BD_NUT_CONTENT,
 584   GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
 585   GADGET_ID_BD_SAND_LOOKS_LIKE,
 586   GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,
 587   GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
 588   GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
 589   GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
 590   GADGET_ID_BD_FIREFLY_EXPLODES_TO,
 591   GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,
 592   GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,
 593   GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,
 594   GADGET_ID_BD_STONEFLY_EXPLODES_TO,
 595   GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,
 596   GADGET_ID_START_ELEMENT,
 597   GADGET_ID_ARTWORK_ELEMENT,
 598   GADGET_ID_EXPLOSION_ELEMENT,
 599   GADGET_ID_INVENTORY_CONTENT,
 600   GADGET_ID_MM_BALL_CONTENT,
 601   GADGET_ID_CUSTOM_GRAPHIC,
 602   GADGET_ID_CUSTOM_CONTENT,
 603   GADGET_ID_CUSTOM_MOVE_ENTER,
 604   GADGET_ID_CUSTOM_MOVE_LEAVE,
 605   GADGET_ID_CUSTOM_CHANGE_TARGET,
 606   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 607   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 608   GADGET_ID_CUSTOM_CHANGE_ACTION,
 609   GADGET_ID_GROUP_CONTENT,
 610   GADGET_ID_RANDOM_BACKGROUND,
 611
 612   // text input identifiers
 613
 614   GADGET_ID_LEVEL_NAME,
 615   GADGET_ID_LEVEL_AUTHOR,
 616   GADGET_ID_LEVELSET_NAME,
 617   GADGET_ID_LEVELSET_AUTHOR,
 618   GADGET_ID_ELEMENT_NAME,
 619
 620   // text area identifiers
 621
 622   GADGET_ID_ENVELOPE_INFO,
 623
 624   // selectbox identifiers
 625
 626   GADGET_ID_TIME_OR_STEPS,
 627   GADGET_ID_TIME_SCORE_BASE,
 628   GADGET_ID_GAME_ENGINE_TYPE,
 629   GADGET_ID_BD_SCHEDULING_TYPE,
 630   GADGET_ID_LEVELSET_SAVE_MODE,
 631   GADGET_ID_WIND_DIRECTION,
 632   GADGET_ID_PLAYER_SPEED,
 633   GADGET_ID_BD_GRAVITY_DIRECTION,
 634   GADGET_ID_MM_BALL_CHOICE_MODE,
 635   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 636   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 637   GADGET_ID_CUSTOM_DEADLINESS,
 638   GADGET_ID_CUSTOM_MOVE_PATTERN,
 639   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 640   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 641   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 642   GADGET_ID_CUSTOM_SMASH_TARGETS,
 643   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 644   GADGET_ID_CUSTOM_ACCESS_TYPE,
 645   GADGET_ID_CUSTOM_ACCESS_LAYER,
 646   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 647   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 648   GADGET_ID_CHANGE_TIME_UNITS,
 649   GADGET_ID_CHANGE_DIRECT_ACTION,
 650   GADGET_ID_CHANGE_OTHER_ACTION,
 651   GADGET_ID_CHANGE_SIDE,
 652   GADGET_ID_CHANGE_PLAYER,
 653   GADGET_ID_CHANGE_PAGE,
 654   GADGET_ID_CHANGE_REPLACE_WHEN,
 655   GADGET_ID_ACTION_TYPE,
 656   GADGET_ID_ACTION_MODE,
 657   GADGET_ID_ACTION_ARG,
 658   GADGET_ID_SELECT_CHANGE_PAGE,
 659   GADGET_ID_GROUP_CHOICE_MODE,
 660
 661   // textbutton identifiers
 662
 663   GADGET_ID_LEVELCONFIG_LEVEL,
 664   GADGET_ID_LEVELCONFIG_LEVELSET,
 665   GADGET_ID_LEVELCONFIG_EDITOR,
 666   GADGET_ID_LEVELCONFIG_ENGINE,
 667   GADGET_ID_PROPERTIES_INFO,
 668   GADGET_ID_PROPERTIES_CONFIG,
 669   GADGET_ID_PROPERTIES_CONFIG_1,
 670   GADGET_ID_PROPERTIES_CONFIG_2,
 671   GADGET_ID_PROPERTIES_CHANGE,
 672   GADGET_ID_SAVE_AS_TEMPLATE_1,
 673   GADGET_ID_SAVE_AS_TEMPLATE_2,
 674   GADGET_ID_SAVE_LEVELSET,
 675   GADGET_ID_ADD_CHANGE_PAGE,
 676   GADGET_ID_DEL_CHANGE_PAGE,
 677
 678   // graphicbutton identifiers
 679
 680   GADGET_ID_PREV_CHANGE_PAGE,
 681   GADGET_ID_NEXT_CHANGE_PAGE,
 682   GADGET_ID_COPY_CHANGE_PAGE,
 683   GADGET_ID_PASTE_CHANGE_PAGE,
 684
 685   // gadgets for scrolling of drawing area
 686
 687   GADGET_ID_SCROLL_UP,
 688   GADGET_ID_SCROLL_DOWN,
 689   GADGET_ID_SCROLL_LEFT,
 690   GADGET_ID_SCROLL_RIGHT,
 691   GADGET_ID_SCROLL_HORIZONTAL,
 692   GADGET_ID_SCROLL_VERTICAL,
 693
 694   // gadgets for scrolling element list
 695
 696   GADGET_ID_SCROLL_LIST_UP,
 697   GADGET_ID_SCROLL_LIST_DOWN,
 698   GADGET_ID_SCROLL_LIST_VERTICAL,
 699
 700   // checkbuttons/radiobuttons for level/element properties
 701
 702   GADGET_ID_AUTO_COUNT_GEMS,
 703   GADGET_ID_RATE_TIME_OVER_SCORE,
 704   GADGET_ID_USE_LEVELSET_ARTWORK,
 705   GADGET_ID_COPY_LEVEL_TEMPLATE,
 706   GADGET_ID_RANDOM_PERCENTAGE,
 707   GADGET_ID_RANDOM_QUANTITY,
 708   GADGET_ID_RANDOM_RESTRICTED,
 709   GADGET_ID_BD_INTERMISSION,
 710   GADGET_ID_BD_PAL_TIMING,
 711   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 712   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 713   GADGET_ID_BD_SHORT_EXPLOSIONS,
 714   GADGET_ID_STICK_ELEMENT,
 715   GADGET_ID_EM_SLIPPERY_GEMS,
 716   GADGET_ID_EM_EXPLODES_BY_FIRE,
 717   GADGET_ID_USE_SPRING_BUG,
 718   GADGET_ID_USE_TIME_ORB_BUG,
 719   GADGET_ID_USE_LIFE_BUGS,
 720   GADGET_ID_RANDOM_BALL_CONTENT,
 721   GADGET_ID_INITIAL_BALL_ACTIVE,
 722   GADGET_ID_GROW_INTO_DIGGABLE,
 723   GADGET_ID_SB_FIELDS_NEEDED,
 724   GADGET_ID_SB_OBJECTS_NEEDED,
 725   GADGET_ID_AUTO_EXIT_SOKOBAN,
 726   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 727   GADGET_ID_FINISH_DIG_COLLECT,
 728   GADGET_ID_KEEP_WALKABLE_CE,
 729   GADGET_ID_CONTINUOUS_SNAPPING,
 730   GADGET_ID_BLOCK_SNAP_FIELD,
 731   GADGET_ID_BLOCK_LAST_FIELD,
 732   GADGET_ID_SP_BLOCK_LAST_FIELD,
 733   GADGET_ID_INSTANT_RELOCATION,
 734   GADGET_ID_SHIFTED_RELOCATION,
 735   GADGET_ID_LAZY_RELOCATION,
 736   GADGET_ID_USE_START_ELEMENT,
 737   GADGET_ID_USE_ARTWORK_ELEMENT,
 738   GADGET_ID_USE_EXPLOSION_ELEMENT,
 739   GADGET_ID_INITIAL_GRAVITY,
 740   GADGET_ID_USE_INITIAL_INVENTORY,
 741   GADGET_ID_CAN_PASS_TO_WALKABLE,
 742   GADGET_ID_CAN_FALL_INTO_ACID,
 743   GADGET_ID_CAN_MOVE_INTO_ACID,
 744   GADGET_ID_DONT_COLLIDE_WITH,
 745   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 746   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 747   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 748   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 749   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 750   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 751   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 752   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 753   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 754   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 755   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 756   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 757   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 758   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 759   GADGET_ID_BD_REPLICATORS_ACTIVE,
 760   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 761   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 762   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 763   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 764   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 765   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 766   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 767   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 768   GADGET_ID_ENVELOPE_AUTOWRAP,
 769   GADGET_ID_ENVELOPE_CENTERED,
 770   GADGET_ID_MM_LASER_RED,
 771   GADGET_ID_MM_LASER_GREEN,
 772   GADGET_ID_MM_LASER_BLUE,
 773   GADGET_ID_DF_LASER_RED,
 774   GADGET_ID_DF_LASER_GREEN,
 775   GADGET_ID_DF_LASER_BLUE,
 776   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 777   GADGET_ID_EXPLODE_MM_BALL,
 778   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 779   GADGET_ID_CUSTOM_CAN_EXPLODE,
 780   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 781   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 782   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 783   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 784   GADGET_ID_CUSTOM_DEADLY,
 785   GADGET_ID_CUSTOM_CAN_MOVE,
 786   GADGET_ID_CUSTOM_CAN_FALL,
 787   GADGET_ID_CUSTOM_CAN_SMASH,
 788   GADGET_ID_CUSTOM_SLIPPERY,
 789   GADGET_ID_CUSTOM_ACCESSIBLE,
 790   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 791   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 792   GADGET_ID_CUSTOM_USE_GRAPHIC,
 793   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 794   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 795   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 796   GADGET_ID_CUSTOM_CAN_CHANGE,
 797   GADGET_ID_CHANGE_USE_CONTENT,
 798   GADGET_ID_CHANGE_USE_EXPLOSION,
 799   GADGET_ID_CHANGE_ONLY_COMPLETE,
 800   GADGET_ID_CHANGE_USE_RANDOM,
 801   GADGET_ID_CHANGE_HAS_ACTION,
 802   GADGET_ID_CHANGE_DELAY,
 803   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 804   GADGET_ID_CHANGE_BY_OTHER_ACT,
 805
 806   NUM_STATIC_GADGET_IDS
 807 };
 808
 809 // gadgets for buttons in element list (dynamic)
 810 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 811 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 812                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 813
 814 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 815
 816 // radio button numbers
 817 enum
 818 {
 819   RADIO_NR_NONE,
 820   RADIO_NR_DRAWING_TOOLBOX,
 821   RADIO_NR_RANDOM_ELEMENTS
 822 };
 823
 824 // values for counter gadgets
 825 enum
 826 {
 827   ED_COUNTER_ID_SELECT_LEVEL,
 828   ED_COUNTER_ID_LEVEL_XSIZE,
 829   ED_COUNTER_ID_LEVEL_YSIZE,
 830   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 831   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 832   ED_COUNTER_ID_LEVEL_TIMESCORE,
 833   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 834   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 835   ED_COUNTER_ID_LEVEL_RANDOM,
 836   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 837   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 838   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 839   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 840   ED_COUNTER_ID_BD_PUSHING_PROB,
 841   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 842   ED_COUNTER_ID_ELEMENT_VALUE1,
 843   ED_COUNTER_ID_ELEMENT_VALUE2,
 844   ED_COUNTER_ID_ELEMENT_VALUE3,
 845   ED_COUNTER_ID_ELEMENT_VALUE4,
 846   ED_COUNTER_ID_YAMYAM_CONTENT,
 847   ED_COUNTER_ID_BALL_CONTENT,
 848   ED_COUNTER_ID_ANDROID_CONTENT,
 849   ED_COUNTER_ID_ENVELOPE_XSIZE,
 850   ED_COUNTER_ID_ENVELOPE_YSIZE,
 851   ED_COUNTER_ID_INVENTORY_SIZE,
 852   ED_COUNTER_ID_MM_BALL_CONTENT,
 853   ED_COUNTER_ID_CUSTOM_SCORE,
 854   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 855   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 856   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 857   ED_COUNTER_ID_PUSH_DELAY_FIX,
 858   ED_COUNTER_ID_PUSH_DELAY_RND,
 859   ED_COUNTER_ID_DROP_DELAY_FIX,
 860   ED_COUNTER_ID_DROP_DELAY_RND,
 861   ED_COUNTER_ID_MOVE_DELAY_FIX,
 862   ED_COUNTER_ID_MOVE_DELAY_RND,
 863   ED_COUNTER_ID_STEP_DELAY_FIX,
 864   ED_COUNTER_ID_STEP_DELAY_RND,
 865   ED_COUNTER_ID_EXPLOSION_DELAY,
 866   ED_COUNTER_ID_IGNITION_DELAY,
 867   ED_COUNTER_ID_GROUP_CONTENT,
 868   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 869   ED_COUNTER_ID_CHANGE_DELAY_RND,
 870   ED_COUNTER_ID_CHANGE_CONT_RND,
 871
 872   ED_NUM_COUNTERBUTTONS
 873 };
 874
 875 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 876 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 877 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 878 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 879 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 880 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 881
 882 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 883 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 884 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 885 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 886 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 887 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 888
 889 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 890 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 891
 892 // values for scrollbutton gadgets
 893 enum
 894 {
 895   ED_SCROLLBUTTON_ID_AREA_UP,
 896   ED_SCROLLBUTTON_ID_AREA_DOWN,
 897   ED_SCROLLBUTTON_ID_AREA_LEFT,
 898   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 899   ED_SCROLLBUTTON_ID_LIST_UP,
 900   ED_SCROLLBUTTON_ID_LIST_DOWN,
 901
 902   ED_NUM_SCROLLBUTTONS
 903 };
 904
 905 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 906 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 907
 908 // values for scrollbar gadgets
 909 enum
 910 {
 911   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 912   ED_SCROLLBAR_ID_AREA_VERTICAL,
 913   ED_SCROLLBAR_ID_LIST_VERTICAL,
 914
 915   ED_NUM_SCROLLBARS
 916 };
 917
 918 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 919 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 920
 921 // values for text input gadgets
 922 enum
 923 {
 924   ED_TEXTINPUT_ID_LEVEL_NAME,
 925   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 926   ED_TEXTINPUT_ID_LEVELSET_NAME,
 927   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 928   ED_TEXTINPUT_ID_ELEMENT_NAME,
 929
 930   ED_NUM_TEXTINPUT
 931 };
 932
 933 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 934 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 935
 936 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 937 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 938
 939 // values for text area gadgets
 940 enum
 941 {
 942   ED_TEXTAREA_ID_ENVELOPE_INFO,
 943
 944   ED_NUM_TEXTAREAS
 945 };
 946
 947 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 948 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 949
 950 // values for selectbox gadgets
 951 enum
 952 {
 953   ED_SELECTBOX_ID_TIME_OR_STEPS,
 954   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 955   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 956   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 957   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 958   ED_SELECTBOX_ID_WIND_DIRECTION,
 959   ED_SELECTBOX_ID_PLAYER_SPEED,
 960   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
 961   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 962   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 963   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 964   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 965   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 966   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 967   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 968   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 969   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 970   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 971   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 972   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 973   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 974   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 975   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 976   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 977   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 978   ED_SELECTBOX_ID_CHANGE_SIDE,
 979   ED_SELECTBOX_ID_CHANGE_PLAYER,
 980   ED_SELECTBOX_ID_CHANGE_PAGE,
 981   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 982   ED_SELECTBOX_ID_ACTION_TYPE,
 983   ED_SELECTBOX_ID_ACTION_MODE,
 984   ED_SELECTBOX_ID_ACTION_ARG,
 985   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 986   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 987
 988   ED_NUM_SELECTBOX
 989 };
 990
 991 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 992 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 993
 994 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 995 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 996
 997 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 998 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 999
1000 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
1001 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
1002 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
1003 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
1004 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
1005 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
1006
1007 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
1008 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
1009
1010 // values for textbutton gadgets
1011 enum
1012 {
1013   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1014   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1015   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1016   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1017   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1018   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1019   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1020   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1021   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1022   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1023   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1024   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1025   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1026   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1027
1028   ED_NUM_TEXTBUTTONS
1029 };
1030
1031 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1032 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1033
1034 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1035 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1036
1037 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1038 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1039
1040 // values for graphicbutton gadgets
1041 enum
1042 {
1043   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1044   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1045   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1046   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1047
1048   ED_NUM_GRAPHICBUTTONS
1049 };
1050
1051 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1052 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1053
1054 // values for checkbutton gadgets
1055 enum
1056 {
1057   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1058   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1059   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1060   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1061   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1062   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1063   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1064   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1065   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1066   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1067   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1068   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1069   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1070   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1071   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1072   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1073   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1074   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1075   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1076   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1077   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1078   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1079   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1080   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1081   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1082   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1083   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1084   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1085   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1086   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1087   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1088   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1089   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1090   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1091   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1092   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1093   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1094   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1095   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1096   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1097   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1098   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1099   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1100   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1101   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1102   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1103   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1104   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1105   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1106   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1107   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1108   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1109   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1110   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1111   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1112   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1113   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1114   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1115   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1116   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1117   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1118   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1119   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1120   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1121   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1122   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1123   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1124   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1125   ED_CHECKBUTTON_ID_MM_LASER_RED,
1126   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1127   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1128   ED_CHECKBUTTON_ID_DF_LASER_RED,
1129   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1130   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1131   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1132   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1133   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1134   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1135   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1136   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1137   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1138   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1139   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1140   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1141   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1142   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1143   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1144   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1145   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1146   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1147   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1148   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1149   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1150   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1151   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1152   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1153   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1154   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1155   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1156   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1157   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1158
1159   ED_NUM_CHECKBUTTONS
1160 };
1161
1162 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1163 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1164
1165 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1166 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1167
1168 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1169 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1170
1171 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1172 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1173
1174 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1175 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1176 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1177 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1178 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1179 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1180
1181 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1182 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1183
1184 // values for radiobutton gadgets
1185 enum
1186 {
1187   ED_RADIOBUTTON_ID_PERCENTAGE,
1188   ED_RADIOBUTTON_ID_QUANTITY,
1189
1190   ED_NUM_RADIOBUTTONS
1191 };
1192
1193 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1194 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1195
1196 // values for drawing area gadgets
1197 enum
1198 {
1199   ED_DRAWING_ID_DRAWING_LEVEL,
1200   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1201   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1202   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1203   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1204   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1205   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1206   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1207   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1208   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1209   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1210   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1211   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1212   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1213   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1214   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1215   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1216   ED_DRAWING_ID_ANDROID_CONTENT,
1217   ED_DRAWING_ID_AMOEBA_CONTENT,
1218   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1219   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1220   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1221   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1222   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1223   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1224   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1225   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1226   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1227   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1228   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1229   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1230   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1231   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1232   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1233   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1234   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1235   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1236   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1237   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1238   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1239   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1240   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1241   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1242   ED_DRAWING_ID_BD_NUT_CONTENT,
1243   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1244   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1245   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
1246   ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
1247   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
1248   ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
1249   ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
1250   ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
1251   ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
1252   ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
1253   ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
1254   ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
1255   ED_DRAWING_ID_START_ELEMENT,
1256   ED_DRAWING_ID_ARTWORK_ELEMENT,
1257   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1258   ED_DRAWING_ID_INVENTORY_CONTENT,
1259   ED_DRAWING_ID_MM_BALL_CONTENT,
1260   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1261   ED_DRAWING_ID_CUSTOM_CONTENT,
1262   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1263   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1264   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1265   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1266   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1267   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1268   ED_DRAWING_ID_GROUP_CONTENT,
1269   ED_DRAWING_ID_RANDOM_BACKGROUND,
1270
1271   ED_NUM_DRAWING_AREAS
1272 };
1273
1274 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1275 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1276
1277
1278 // ----------------------------------------------------------------------------
1279 // some internally used definitions
1280 // ----------------------------------------------------------------------------
1281
1282 // values for CopyLevelToUndoBuffer()
1283 #define UNDO_IMMEDIATE                  0
1284 #define UNDO_ACCUMULATE                 1
1285
1286 // values for scrollbars
1287 #define ED_SCROLL_NO                    0
1288 #define ED_SCROLL_LEFT                  1
1289 #define ED_SCROLL_RIGHT                 2
1290 #define ED_SCROLL_UP                    4
1291 #define ED_SCROLL_DOWN                  8
1292
1293 // screens in the level editor
1294 #define ED_MODE_DRAWING                 0
1295 #define ED_MODE_LEVELCONFIG             1
1296 #define ED_MODE_PROPERTIES              2
1297 #define ED_MODE_PALETTE                 3
1298
1299 // sub-screens in the global settings section
1300 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1301 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1302 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1303 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1304
1305 // sub-screens in the element properties section
1306 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1307 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1308 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1309 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1310 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1311
1312 // how many steps can be cancelled
1313 #define NUM_UNDO_STEPS                  (64 + 1)
1314
1315 // values for elements with score for certain actions
1316 #define MIN_SCORE                       0
1317 #define MAX_SCORE                       999
1318
1319 // values for elements with count for collecting
1320 #define MIN_COLLECT_COUNT               0
1321 #define MAX_COLLECT_COUNT               999
1322
1323 // values for random placement
1324 #define RANDOM_USE_PERCENTAGE           0
1325 #define RANDOM_USE_QUANTITY             1
1326
1327 // values for level set save mode
1328 #define LEVELSET_SAVE_MODE_UPDATE       0
1329 #define LEVELSET_SAVE_MODE_CREATE       1
1330
1331 // default value for element tile size in drawing area
1332 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1333 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1334
1335
1336 // ----------------------------------------------------------------------------
1337 // some internally used data structure definitions
1338 // ----------------------------------------------------------------------------
1339
1340 static struct
1341 {
1342   int graphic;
1343   int gadget_id;
1344   struct XYTileSize *pos;
1345   int gadget_type;
1346   char *infotext;
1347   char shortcut;
1348 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1349 {
1350   // note: some additional characters are already reserved for "cheat mode"
1351   // shortcuts (":XYZ" style) -- for details, see "events.c"
1352
1353   // ---------- toolbox control buttons ---------------------------------------
1354
1355   {
1356     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1357     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1358     "Draw single items",                        's'
1359   },
1360   {
1361     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1362     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1363     "Draw connected items",                     'd'
1364   },
1365   {
1366     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1367     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1368     "Draw lines",                               'l'
1369   },
1370   {
1371     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1372     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1373     "Draw arcs",                                'a'
1374   },
1375   {
1376     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1377     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1378     "Draw outline rectangles",                  'r'
1379   },
1380   {
1381     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1382     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1383     "Draw filled rectangles",                   'R'
1384   },
1385   {
1386     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1387     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1388     "Wrap (rotate) level up",                   0
1389   },
1390   {
1391     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1392     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1393     "Enter text elements",                      't'
1394   },
1395   {
1396     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1397     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1398     "Flood fill",                               'f'
1399   },
1400   {
1401     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1402     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1403     "Wrap (rotate) level left",                 0
1404   },
1405   {
1406     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1407     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1408     "Zoom level tile size",                     '+'
1409   },
1410   {
1411     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1412     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1413     "Wrap (rotate) level right",                0
1414   },
1415   {
1416     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1417     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1418     "Random element placement",                 0
1419   },
1420   {
1421     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1422     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1423     "Grab brush",                               'b'
1424   },
1425   {
1426     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1427     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1428     "Wrap (rotate) level down",                 0
1429   },
1430   {
1431     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1432     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1433     "Pick drawing element",                     ','
1434   },
1435
1436   // ---------- level control buttons -----------------------------------------
1437
1438   {
1439     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1440     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1441     "Undo/redo last operation",                 'u'
1442   },
1443   {
1444     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1445     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1446     "Level and editor settings",                'I'
1447   },
1448   {
1449     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1450     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1451     "Save level",                               'S'
1452   },
1453   {
1454     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1455     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1456     "Clear level",                              'C'
1457   },
1458   {
1459     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1460     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1461     "Test level",                               'T'
1462   },
1463   {
1464     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1465     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1466     "Exit level editor",                        'E'
1467   },
1468
1469   // ---------- CE and GE control buttons -------------------------------------
1470
1471   {
1472     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1473     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1474     "Copy settings from other element",         0
1475   },
1476   {
1477     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1478     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1479     "Copy settings to other element",           0
1480   },
1481   {
1482     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1483     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1484     "Exchange element with other element",      0
1485   },
1486   {
1487     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1488     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1489     "Copy settings from this element",          0
1490   },
1491   {
1492     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1493     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1494     "Paste settings to this element",           0
1495   },
1496
1497   // ---------- palette control buttons ---------------------------------------
1498
1499   {
1500     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1501     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1502     "Properties of drawing element",            'p'
1503   },
1504   {
1505     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1506     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1507     "Properties of drawing element 1",          '1'
1508   },
1509   {
1510     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1511     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1512     "Properties of drawing element 2",          '2'
1513   },
1514   {
1515     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1516     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1517     "Properties of drawing element 3",          '3'
1518   },
1519   {
1520     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1521     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1522     "Show list of elements",                    'e'
1523   }
1524 };
1525
1526 static int random_placement_value = 10;
1527 static int random_placement_method = RANDOM_USE_QUANTITY;
1528 static int random_placement_background_element = EL_SAND;
1529 static boolean random_placement_background_restricted = FALSE;
1530 static boolean stick_element_properties_window = FALSE;
1531 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1532 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1533 static struct ElementChangeInfo custom_element_change;
1534 static struct ElementGroupInfo group_element_info;
1535 static struct ElementInfo custom_element;
1536
1537 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1538 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1539 static int levelset_num_levels = 100;
1540 static boolean levelset_use_levelset_artwork = FALSE;
1541 static boolean levelset_copy_level_template = FALSE;
1542 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1543
1544 static struct
1545 {
1546   int gadget_type_id;
1547   int x, y;
1548   int min_value, max_value;
1549   int gadget_id_down, gadget_id_up;
1550   int gadget_id_text;
1551   int gadget_id_align;
1552   int *value;
1553   char *text_above, *text_left, *text_right;
1554 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1555 {
1556   // ---------- current level number ------------------------------------------
1557
1558   {
1559     ED_COUNTER_ID_SELECT_LEVEL,
1560     -1, -1,     // these values are not constant, but can change at runtime
1561     1,                                          100,
1562     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1563     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1564     &level_nr,
1565     NULL,                                       NULL, NULL
1566   },
1567
1568   // ---------- level and editor settings -------------------------------------
1569
1570   {
1571     ED_COUNTER_ID_LEVEL_XSIZE,
1572     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1573     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1574     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1575     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1576     &level.fieldx,
1577     "Playfield size:",                          NULL, "Width",
1578   },
1579   {
1580     ED_COUNTER_ID_LEVEL_YSIZE,
1581     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1582     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1583     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1584     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1585     &level.fieldy,
1586     NULL,                                       " ", "Height",
1587   },
1588   {
1589     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1590     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1591     0,                                          999,
1592     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1593     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1594     &level.gems_needed,
1595     NULL,                                       "Number of gems to collect:", NULL
1596   },
1597   {
1598     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1599     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1600     0,                                          9999,
1601     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1602     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1603     &level.time,
1604     "Time or step limit to solve level:",       NULL, NULL
1605   },
1606   {
1607     ED_COUNTER_ID_LEVEL_TIMESCORE,
1608     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1609     0,                                          999,
1610     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1611     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1612     &level.score[SC_TIME_BONUS],
1613     "Score for time or steps left:",            NULL, NULL
1614   },
1615   {
1616     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1617     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1618     0,                                          9999,
1619     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1620     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1621     &level.random_seed,
1622     NULL,                                       "Random seed:", "(0 => random)"
1623   },
1624   {
1625     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1626     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1627     1,                                          MAX_LEVELS,
1628     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1629     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1630     &levelset_num_levels,
1631     "Number of levels:",                        NULL, NULL,
1632   },
1633   {
1634     ED_COUNTER_ID_LEVEL_RANDOM,
1635     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1636     1,                                          100,
1637     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1638     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1639     &random_placement_value,
1640     "Random element placement:",                NULL, "in"
1641   },
1642   {
1643     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1644     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1645     50,                                         500,
1646     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1647     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1648     &level.bd_cycle_delay_ms,
1649     NULL,                                       NULL, "Game cycle delay (ms)"
1650   },
1651   {
1652     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1653     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1654     0,                                          32,
1655     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1656     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1657     &level.bd_cycle_delay_c64,
1658     NULL,                                       NULL, "Game cycle delay (C64-style)"
1659   },
1660   {
1661     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1662     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1663     1,                                          40,
1664     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1665     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1666     &level.bd_hatching_delay_cycles,
1667     NULL,                                       NULL, "Hatching delay (cycles)"
1668   },
1669   {
1670     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1671     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1672     1,                                          40,
1673     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1674     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1675     &level.bd_hatching_delay_seconds,
1676     NULL,                                       NULL, "Hatching delay (seconds)"
1677   },
1678
1679   // ---------- element settings: configure (various elements) ----------------
1680
1681   {
1682     ED_COUNTER_ID_BD_PUSHING_PROB,
1683     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1684     0,                                          100,
1685     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1686     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1687     &level.bd_pushing_prob,
1688     NULL,                                       NULL, "Push probability"
1689   },
1690   {
1691     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1692     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1693     0,                                          100,
1694     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1695     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1696     &level.bd_pushing_prob_with_sweet,
1697     NULL,                                       NULL, "Push probability with sweet"
1698   },
1699   {
1700     ED_COUNTER_ID_ELEMENT_VALUE1,
1701     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1702     MIN_SCORE,                                  MAX_SCORE,
1703     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1704     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1705     NULL,                                       // will be set when used
1706     NULL,                                       NULL, NULL
1707   },
1708   {
1709     ED_COUNTER_ID_ELEMENT_VALUE2,
1710     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1711     MIN_SCORE,                                  MAX_SCORE,
1712     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1713     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1714     NULL,                                       // will be set when used
1715     NULL,                                       NULL, NULL
1716   },
1717   {
1718     ED_COUNTER_ID_ELEMENT_VALUE3,
1719     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1720     MIN_SCORE,                                  MAX_SCORE,
1721     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1722     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1723     NULL,                                       // will be set when used
1724     NULL,                                       NULL, NULL
1725   },
1726   {
1727     ED_COUNTER_ID_ELEMENT_VALUE4,
1728     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1729     MIN_SCORE,                                  MAX_SCORE,
1730     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1731     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1732     NULL,                                       // will be set when used
1733     NULL,                                       NULL, NULL
1734   },
1735   {
1736     ED_COUNTER_ID_YAMYAM_CONTENT,
1737     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1738     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1739     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1740     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1741     &level.num_yamyam_contents,
1742     NULL,                                       NULL, "Number of content areas"
1743   },
1744   {
1745     ED_COUNTER_ID_BALL_CONTENT,
1746     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1747     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1748     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1749     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1750     &level.num_ball_contents,
1751     NULL,                                       NULL, "Number of content areas"
1752   },
1753   {
1754     ED_COUNTER_ID_ANDROID_CONTENT,
1755     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1756     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1757     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1758     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1759     &level.num_android_clone_elements,
1760     NULL,                                       NULL, "Number of clonable elements"
1761   },
1762   {
1763     ED_COUNTER_ID_ENVELOPE_XSIZE,
1764     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1765     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1766     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1767     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1768     NULL,                                       // will be set when used
1769     NULL,                                       NULL, "Width",
1770   },
1771   {
1772     ED_COUNTER_ID_ENVELOPE_YSIZE,
1773     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1774     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1775     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1776     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1777     NULL,                                       // will be set when used
1778     NULL,                                       " ", "Height",
1779   },
1780   {
1781     ED_COUNTER_ID_INVENTORY_SIZE,
1782     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1783     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1784     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1785     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1786     &level.initial_inventory_size[0],
1787     NULL,                                       NULL, "Number of inventory elements"
1788   },
1789   {
1790     ED_COUNTER_ID_MM_BALL_CONTENT,
1791     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1792     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1793     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1794     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1795     &level.num_mm_ball_contents,
1796     NULL,                                       NULL, "Number of content elements"
1797   },
1798
1799   // ---------- element settings: configure 1 (custom elements) ---------------
1800
1801   {
1802     ED_COUNTER_ID_CUSTOM_SCORE,
1803     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1804     MIN_SCORE,                                  MAX_SCORE,
1805     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1806     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1807     &custom_element.collect_score_initial,
1808     NULL,                                       "CE score", " "
1809   },
1810   {
1811     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1812     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1813     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1814     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1815     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1816     &custom_element.collect_count_initial,
1817     NULL,                                       "CE count", NULL
1818   },
1819   {
1820     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1821     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1822     0,                                          9999,
1823     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1824     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1825     &custom_element.ce_value_fixed_initial,
1826     NULL,                                       "CE value", NULL
1827   },
1828   {
1829     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1830     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1831     0,                                          9999,
1832     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1833     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1834     &custom_element.ce_value_random_initial,
1835     NULL,                                       "+random", NULL
1836   },
1837   {
1838     ED_COUNTER_ID_PUSH_DELAY_FIX,
1839     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1840     0,                                          999,
1841     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1842     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1843     &custom_element.push_delay_fixed,
1844     NULL,                                       "Push delay", NULL
1845   },
1846   {
1847     ED_COUNTER_ID_PUSH_DELAY_RND,
1848     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1849     0,                                          999,
1850     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1851     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1852     &custom_element.push_delay_random,
1853     NULL,                                       "+random", NULL
1854   },
1855   {
1856     ED_COUNTER_ID_DROP_DELAY_FIX,
1857     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1858     0,                                          999,
1859     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
1860     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1861     &custom_element.drop_delay_fixed,
1862     NULL,                                       "Drop delay", NULL
1863   },
1864   {
1865     ED_COUNTER_ID_DROP_DELAY_RND,
1866     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
1867     0,                                          999,
1868     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
1869     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
1870     &custom_element.drop_delay_random,
1871     NULL,                                       "+random", NULL
1872   },
1873
1874   // ---------- element settings: configure 2 (custom elements) ---------------
1875
1876   {
1877     ED_COUNTER_ID_MOVE_DELAY_FIX,
1878     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1879     0,                                          999,
1880     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
1881     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1882     &custom_element.move_delay_fixed,
1883     NULL,                                       "Move delay", NULL
1884   },
1885   {
1886     ED_COUNTER_ID_MOVE_DELAY_RND,
1887     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1888     0,                                          999,
1889     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
1890     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
1891     &custom_element.move_delay_random,
1892     NULL,                                       "+random", NULL
1893   },
1894   {
1895     ED_COUNTER_ID_STEP_DELAY_FIX,
1896     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1897     0,                                          999,
1898     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
1899     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1900     &custom_element.step_delay_fixed,
1901     NULL,                                       "Step delay", NULL
1902   },
1903   {
1904     ED_COUNTER_ID_STEP_DELAY_RND,
1905     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1906     0,                                          999,
1907     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
1908     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
1909     &custom_element.step_delay_random,
1910     NULL,                                       "+random", NULL
1911   },
1912   {
1913     ED_COUNTER_ID_EXPLOSION_DELAY,
1914     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
1915     0,                                          999,
1916     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
1917     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
1918     &custom_element.explosion_delay,
1919     NULL,                                       "Explosion delay", NULL
1920   },
1921   {
1922     ED_COUNTER_ID_IGNITION_DELAY,
1923     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
1924     0,                                          999,
1925     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
1926     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
1927     &custom_element.ignition_delay,
1928     NULL,                                       "Ignition delay", "(by fire)"
1929   },
1930
1931   // ---------- element settings: configure (group elements) ------------------
1932
1933   {
1934     ED_COUNTER_ID_GROUP_CONTENT,
1935     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1936     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
1937     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
1938     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
1939     &group_element_info.num_elements,
1940     NULL,                                       NULL, "Number of elements in group"
1941   },
1942
1943   // ---------- element settings: advanced (custom elements) ------------------
1944
1945   {
1946     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1947     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
1948     0,                                          999,
1949     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1950     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
1951     &custom_element_change.delay_fixed,
1952     NULL,                                       "CE delay", NULL,
1953   },
1954   {
1955     ED_COUNTER_ID_CHANGE_DELAY_RND,
1956     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
1957     0,                                          999,
1958     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
1959     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1960     &custom_element_change.delay_random,
1961     NULL,                                       "+random", NULL
1962   },
1963   {
1964     ED_COUNTER_ID_CHANGE_CONT_RND,
1965     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
1966     0,                                          100,
1967     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
1968     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
1969     &custom_element_change.random_percentage,
1970     NULL,                                       "Use random replace:", "%"
1971   },
1972 };
1973
1974 static struct
1975 {
1976   int gadget_type_id;
1977   int x, y;
1978   int gadget_id;
1979   int size;
1980   char *value;
1981   char *text_above, *infotext;
1982 } textinput_info[ED_NUM_TEXTINPUT] =
1983 {
1984   {
1985     ED_TEXTINPUT_ID_LEVEL_NAME,
1986     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1987     GADGET_ID_LEVEL_NAME,
1988     MAX_LEVEL_NAME_LEN,
1989     level.name,
1990     "Title:", "Title for this level"
1991   },
1992   {
1993     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1994     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
1995     GADGET_ID_LEVEL_AUTHOR,
1996     MAX_LEVEL_AUTHOR_LEN,
1997     level.author,
1998     "Author:", "Author for this level"
1999   },
2000   {
2001     ED_TEXTINPUT_ID_LEVELSET_NAME,
2002     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
2003     GADGET_ID_LEVELSET_NAME,
2004     MAX_LEVEL_NAME_LEN,
2005     levelset_name,
2006     "Title:", "Title for this or new level set"
2007   },
2008   {
2009     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
2010     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
2011     GADGET_ID_LEVELSET_AUTHOR,
2012     MAX_LEVEL_AUTHOR_LEN,
2013     levelset_author,
2014     "Author:", "Author for this or new level set"
2015   },
2016   {
2017     ED_TEXTINPUT_ID_ELEMENT_NAME,
2018     -1, -1,     // these values are not constant, but can change at runtime
2019     GADGET_ID_ELEMENT_NAME,
2020     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2021     custom_element.description,
2022     NULL, "Element name"
2023   }
2024 };
2025
2026 static struct
2027 {
2028   int gadget_type_id;
2029   int x, y;
2030   int gadget_id;
2031   int xsize, ysize;
2032   char *value;
2033   char *text_above, *text_above_cropped, *infotext;
2034 } textarea_info[ED_NUM_TEXTAREAS] =
2035 {
2036   {
2037     ED_TEXTAREA_ID_ENVELOPE_INFO,
2038     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2039     GADGET_ID_ENVELOPE_INFO,
2040     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2041     NULL,
2042     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2043   }
2044 };
2045
2046 static struct ValueTextInfo options_time_or_steps[] =
2047 {
2048   { 0,                                  "seconds"                       },
2049   { 1,                                  "steps"                         },
2050
2051   { -1,                                 NULL                            }
2052 };
2053
2054 static struct ValueTextInfo options_time_score_base[] =
2055 {
2056   { 1,                                  "per second/step"               },
2057   { 10,                                 "per 10 seconds/steps"          },
2058
2059   { -1,                                 NULL                            }
2060 };
2061
2062 static struct ValueTextInfo options_game_engine_type[] =
2063 {
2064   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2065   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2066   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2067   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2068   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2069
2070   { -1,                                 NULL                            }
2071 };
2072
2073 static struct ValueTextInfo options_levelset_save_mode[] =
2074 {
2075   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2076   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2077
2078   { -1,                                 NULL                            }
2079 };
2080
2081 static struct ValueTextInfo options_bd_gravity_direction[] =
2082 {
2083   { GD_MV_DOWN,                         "down"                          },
2084   { GD_MV_UP,                           "up"                            },
2085   { GD_MV_LEFT,                         "left"                          },
2086   { GD_MV_RIGHT,                        "right"                         },
2087
2088   { -1,                                 NULL                            }
2089 };
2090
2091 static struct ValueTextInfo options_wind_direction[] =
2092 {
2093   { MV_START_NONE,                      "none"                          },
2094   { MV_START_LEFT,                      "left"                          },
2095   { MV_START_RIGHT,                     "right"                         },
2096   { MV_START_UP,                        "up"                            },
2097   { MV_START_DOWN,                      "down"                          },
2098
2099   { -1,                                 NULL                            }
2100 };
2101
2102 static struct ValueTextInfo options_player_speed[] =
2103 {
2104   { 0,                                  "frozen"                        },
2105   { 1,                                  "very slow"                     },
2106   { 2,                                  "slow"                          },
2107   { 4,                                  "normal"                        },
2108   { 8,                                  "fast"                          },
2109   { 16,                                 "very fast"                     },
2110   { 32,                                 "ultrafast"                     },
2111
2112   { -1,                                 NULL                            }
2113 };
2114
2115 static struct ValueTextInfo options_access_type[] =
2116 {
2117   { EP_WALKABLE,                        "walkable"                      },
2118   { EP_PASSABLE,                        "passable"                      },
2119
2120   { -1,                                 NULL                            }
2121 };
2122
2123 static struct ValueTextInfo options_access_layer[] =
2124 {
2125   { EP_ACCESSIBLE_OVER,                 "over"                          },
2126   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2127   { EP_ACCESSIBLE_UNDER,                "under"                         },
2128
2129   { -1,                                 NULL                            }
2130 };
2131
2132 static struct ValueTextInfo options_access_protected[] =
2133 {
2134   { 0,                                  "unprotected"                   },
2135   { 1,                                  "protected"                     },
2136
2137   { -1,                                 NULL                            }
2138 };
2139
2140 static struct ValueTextInfo options_access_direction[] =
2141 {
2142   { MV_NO_DIRECTION,                    "no direction"                  },
2143   { MV_LEFT,                            "left"                          },
2144   { MV_RIGHT,                           "right"                         },
2145   { MV_UP,                              "up"                            },
2146   { MV_DOWN,                            "down"                          },
2147   { MV_LEFT  | MV_UP,                   "left + up"                     },
2148   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2149   { MV_RIGHT | MV_UP,                   "right + up"                    },
2150   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2151   { MV_HORIZONTAL,                      "horizontal"                    },
2152   { MV_VERTICAL,                        "vertical"                      },
2153   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2154   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2155   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2156   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2157   { MV_ALL_DIRECTIONS,                  "all directions"                },
2158
2159   { -1,                                 NULL                            }
2160 };
2161
2162 static struct ValueTextInfo options_walk_to_action[] =
2163 {
2164   { EP_DIGGABLE,                        "diggable"                      },
2165   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2166   { EP_DROPPABLE,                       "collectible & droppable"       },
2167   { EP_THROWABLE,                       "collectible & throwable"       },
2168   { EP_PUSHABLE,                        "pushable"                      },
2169
2170   { -1,                                 NULL                            }
2171 };
2172
2173 static struct ValueTextInfo options_move_pattern[] =
2174 {
2175   { MV_LEFT,                            "left"                          },
2176   { MV_RIGHT,                           "right"                         },
2177   { MV_UP,                              "up"                            },
2178   { MV_DOWN,                            "down"                          },
2179   { MV_HORIZONTAL,                      "horizontal"                    },
2180   { MV_VERTICAL,                        "vertical"                      },
2181   { MV_ALL_DIRECTIONS,                  "all directions"                },
2182   { MV_WIND_DIRECTION,                  "wind direction"                },
2183   { MV_TOWARDS_PLAYER,                  "towards player"                },
2184   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2185   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2186   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2187   { MV_TURNING_LEFT,                    "turning left"                  },
2188   { MV_TURNING_RIGHT,                   "turning right"                 },
2189   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2190   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2191   { MV_TURNING_RANDOM,                  "turning random"                },
2192   { MV_MAZE_RUNNER,                     "maze runner style"             },
2193   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2194   { MV_WHEN_PUSHED,                     "when pushed"                   },
2195   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2196
2197   { -1,                                 NULL                            }
2198 };
2199
2200 static struct ValueTextInfo options_move_direction[] =
2201 {
2202   { MV_START_AUTOMATIC,                 "automatic"                     },
2203   { MV_START_LEFT,                      "left"                          },
2204   { MV_START_RIGHT,                     "right"                         },
2205   { MV_START_UP,                        "up"                            },
2206   { MV_START_DOWN,                      "down"                          },
2207   { MV_START_RANDOM,                    "random"                        },
2208   { MV_START_PREVIOUS,                  "previous"                      },
2209
2210   { -1,                                 NULL                            }
2211 };
2212
2213 static struct ValueTextInfo options_move_stepsize[] =
2214 {
2215   { 0,                                  "not moving"                    },
2216   { 1,                                  "very slow"                     },
2217   { 2,                                  "slow"                          },
2218   { 4,                                  "normal"                        },
2219   { 8,                                  "fast"                          },
2220   { 16,                                 "very fast"                     },
2221   { 32,                                 "even faster"                   },
2222
2223   { -1,                                 NULL                            }
2224 };
2225
2226 static struct ValueTextInfo options_move_leave_type[] =
2227 {
2228   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2229   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2230
2231   { -1,                                 NULL                            }
2232 };
2233
2234 static struct ValueTextInfo options_smash_targets[] =
2235 {
2236   { EP_CAN_SMASH_PLAYER,                "player"                        },
2237 #if 0
2238   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2239 #endif
2240   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2241
2242   { -1,                                 NULL                            }
2243 };
2244
2245 static struct ValueTextInfo options_slippery_type[] =
2246 {
2247   { SLIPPERY_ANY_RANDOM,                "random"                        },
2248   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2249   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2250   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2251   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2252
2253   { -1,                                 NULL                            }
2254 };
2255
2256 static struct ValueTextInfo options_deadliness[] =
2257 {
2258   { EP_DONT_RUN_INTO,                   "running into"                  },
2259   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2260   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2261   { EP_DONT_TOUCH,                      "touching"                      },
2262
2263   { -1,                                 NULL                            }
2264 };
2265
2266 static struct ValueTextInfo options_explosion_type[] =
2267 {
2268   { EXPLODES_3X3,                       "3x3"                           },
2269   { EXPLODES_CROSS,                     "3+3"                           },
2270   { EXPLODES_1X1,                       "1x1"                           },
2271
2272   { -1,                                 NULL                            }
2273 };
2274
2275 static struct ValueTextInfo options_time_units[] =
2276 {
2277   { 1,                                  "frames"                        },
2278   { FRAMES_PER_SECOND,                  "seconds"                       },
2279
2280   { -1,                                 NULL                            }
2281 };
2282
2283 static struct ValueTextInfo options_change_direct_action[] =
2284 {
2285   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2286   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2287   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2288   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2289   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2290   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2291   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2292   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2293   { CE_SWITCHED,                        "switched"                      },
2294   { CE_HITTING_SOMETHING,               "hitting something"             },
2295   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2296 #if 0
2297   { CE_BLOCKED,                         "blocked"                       },
2298 #endif
2299   { CE_IMPACT,                          "impact (on something)"         },
2300   { CE_SMASHED,                         "smashed (from above)"          },
2301 #if 0
2302   { CE_VALUE_CHANGES,                   "CE value changes"              },
2303   { CE_SCORE_CHANGES,                   "CE score changes"              },
2304 #endif
2305   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2306   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2307   { CE_UNDEFINED,                       " "                             },
2308   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2309   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2310   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2311   { CE_UNDEFINED,                       " "                             },
2312   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2313   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2314
2315   { -1,                                 NULL                            }
2316 };
2317
2318 static struct ValueTextInfo options_change_other_action[] =
2319 {
2320   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2321   { CE_PLAYER_PRESSES_X,                "player presses"                },
2322   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2323   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2324   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2325   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2326   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2327   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2328   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2329   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2330   { CE_TOUCHING_X,                      "touching"                      },
2331   { CE_HITTING_X,                       "hitting"                       },
2332   { CE_DIGGING_X,                       "digging"                       },
2333   { CE_HIT_BY_X,                        "hit by"                        },
2334   { CE_SWITCH_OF_X,                     "switch of"                     },
2335   { CE_CHANGE_OF_X,                     "change by page of"             },
2336   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2337   { CE_MOVE_OF_X,                       "move of"                       },
2338   { CE_CREATION_OF_X,                   "creation of"                   },
2339   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2340   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2341   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2342   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2343   { CE_UNDEFINED,                       " "                             },
2344   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2345   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2346   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2347   { CE_UNDEFINED,                       " "                             },
2348   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2349   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2350   { CE_NEXT_TO_X,                       "next to"                       },
2351
2352   { -1,                                 NULL                            }
2353 };
2354
2355 static struct ValueTextInfo options_change_trigger_side[] =
2356 {
2357   { CH_SIDE_LEFT,                       "left"                          },
2358   { CH_SIDE_RIGHT,                      "right"                         },
2359   { CH_SIDE_TOP,                        "top"                           },
2360   { CH_SIDE_BOTTOM,                     "bottom"                        },
2361   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2362   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2363   { CH_SIDE_ANY,                        "any"                           },
2364
2365   { -1,                                 NULL                            }
2366 };
2367
2368 static struct ValueTextInfo options_change_trigger_player[] =
2369 {
2370   { CH_PLAYER_1,                        "1"                             },
2371   { CH_PLAYER_2,                        "2"                             },
2372   { CH_PLAYER_3,                        "3"                             },
2373   { CH_PLAYER_4,                        "4"                             },
2374   { CH_PLAYER_ANY,                      "any"                           },
2375
2376   { -1,                                 NULL                            }
2377 };
2378
2379 static struct ValueTextInfo options_change_trigger_page[] =
2380 {
2381   { (1u << 0),                          "1"                             },
2382   { (1u << 1),                          "2"                             },
2383   { (1u << 2),                          "3"                             },
2384   { (1u << 3),                          "4"                             },
2385   { (1u << 4),                          "5"                             },
2386   { (1u << 5),                          "6"                             },
2387   { (1u << 6),                          "7"                             },
2388   { (1u << 7),                          "8"                             },
2389   { (1u << 8),                          "9"                             },
2390   { (1u << 9),                          "10"                            },
2391   { (1u << 10),                         "11"                            },
2392   { (1u << 11),                         "12"                            },
2393   { (1u << 12),                         "13"                            },
2394   { (1u << 13),                         "14"                            },
2395   { (1u << 14),                         "15"                            },
2396   { (1u << 15),                         "16"                            },
2397   { (1u << 16),                         "17"                            },
2398   { (1u << 17),                         "18"                            },
2399   { (1u << 18),                         "19"                            },
2400   { (1u << 19),                         "20"                            },
2401   { (1u << 20),                         "21"                            },
2402   { (1u << 21),                         "22"                            },
2403   { (1u << 22),                         "23"                            },
2404   { (1u << 23),                         "24"                            },
2405   { (1u << 24),                         "25"                            },
2406   { (1u << 25),                         "26"                            },
2407   { (1u << 26),                         "27"                            },
2408   { (1u << 27),                         "28"                            },
2409   { (1u << 28),                         "29"                            },
2410   { (1u << 29),                         "30"                            },
2411   { (1u << 30),                         "31"                            },
2412   { (1u << 31),                         "32"                            },
2413   { CH_PAGE_ANY,                        "any"                           },
2414
2415   { -1,                                 NULL                            }
2416 };
2417
2418 static struct ValueTextInfo options_change_replace_when[] =
2419 {
2420   { CP_WHEN_EMPTY,                      "empty"                         },
2421   { CP_WHEN_WALKABLE,                   "walkable"                      },
2422   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2423   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2424   { CP_WHEN_REMOVABLE,                  "removable"                     },
2425   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2426
2427   { -1,                                 NULL                            }
2428 };
2429
2430 static struct ValueTextInfo options_action_type[] =
2431 {
2432   { CA_NO_ACTION,                       "no action"                     },
2433   { CA_UNDEFINED,                       " "                             },
2434   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2435   { CA_RESTART_LEVEL,                   "restart level"                 },
2436   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2437   { CA_SET_LEVEL_TIME,                  "set time"                      },
2438   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2439   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2440   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2441   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2442   { CA_UNDEFINED,                       " "                             },
2443   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2444   { CA_MOVE_PLAYER,                     "move player"                   },
2445   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2446   { CA_EXIT_PLAYER,                     "exit player"                   },
2447   { CA_KILL_PLAYER,                     "kill player"                   },
2448   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2449   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2450   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2451   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2452   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2453   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2454   { CA_UNDEFINED,                       " "                             },
2455   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2456   { CA_SET_CE_VALUE,                    "set CE value"                  },
2457   { CA_SET_CE_SCORE,                    "set CE score"                  },
2458   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2459   { CA_UNDEFINED,                       " "                             },
2460   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2461   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2462
2463   { -1,                                 NULL                            }
2464 };
2465
2466 static struct ValueTextInfo options_action_mode_none[] =
2467 {
2468   { CA_MODE_UNDEFINED,                  " "                             },
2469
2470   { -1,                                 NULL                            }
2471 };
2472
2473 static struct ValueTextInfo options_action_mode_assign[] =
2474 {
2475   { CA_MODE_SET,                        "="                             },
2476
2477   { -1,                                 NULL                            }
2478 };
2479
2480 static struct ValueTextInfo options_action_mode_add_remove[] =
2481 {
2482   { CA_MODE_ADD,                        "+"                             },
2483   { CA_MODE_SUBTRACT,                   "-"                             },
2484
2485   { -1,                                 NULL                            }
2486 };
2487
2488 static struct ValueTextInfo options_action_mode_calculate[] =
2489 {
2490   { CA_MODE_SET,                        "="                             },
2491   { CA_MODE_ADD,                        "+"                             },
2492   { CA_MODE_SUBTRACT,                   "-"                             },
2493   { CA_MODE_MULTIPLY,                   "*"                             },
2494   { CA_MODE_DIVIDE,                     "/"                             },
2495   { CA_MODE_MODULO,                     "%"                             },
2496
2497   { -1,                                 NULL                            }
2498 };
2499
2500 static struct ValueTextInfo options_action_arg_none[] =
2501 {
2502   { CA_ARG_UNDEFINED,                   "         "                     },
2503
2504   { -1,                                 NULL                            }
2505 };
2506
2507 static struct ValueTextInfo options_action_arg_player[] =
2508 {
2509   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2510   { CA_ARG_PLAYER_1,                    "1"                             },
2511   { CA_ARG_PLAYER_2,                    "2"                             },
2512   { CA_ARG_PLAYER_3,                    "3"                             },
2513   { CA_ARG_PLAYER_4,                    "4"                             },
2514   { CA_ARG_PLAYER_ANY,                  "any"                           },
2515   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2516   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2517
2518   { -1,                                 NULL                            }
2519 };
2520
2521 static struct ValueTextInfo options_action_arg_number[] =
2522 {
2523   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2524   { CA_ARG_0,                           "0"                             },
2525   { CA_ARG_1,                           "1"                             },
2526   { CA_ARG_2,                           "2"                             },
2527   { CA_ARG_3,                           "3"                             },
2528   { CA_ARG_4,                           "4"                             },
2529   { CA_ARG_5,                           "5"                             },
2530   { CA_ARG_10,                          "10"                            },
2531   { CA_ARG_100,                         "100"                           },
2532   { CA_ARG_1000,                        "1000"                          },
2533   { CA_ARG_UNDEFINED,                   " "                             },
2534   { CA_ARG_NUMBER_MIN,                  "min"                           },
2535   { CA_ARG_NUMBER_MAX,                  "max"                           },
2536   { CA_ARG_UNDEFINED,                   " "                             },
2537   { CA_ARG_NUMBER_RESET,                "reset"                         },
2538   { CA_ARG_UNDEFINED,                   " "                             },
2539   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2540   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2541   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2542   { CA_ARG_UNDEFINED,                   " "                             },
2543   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2544   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2545   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2546   { CA_ARG_UNDEFINED,                   " "                             },
2547   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2548   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2549   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2550   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2551   { CA_ARG_UNDEFINED,                   " "                             },
2552   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2553   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2554   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2555   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2556
2557   { -1,                                 NULL                            }
2558 };
2559
2560 static struct ValueTextInfo options_action_arg_value[] =
2561 {
2562   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2563   { CA_ARG_0,                           "0"                             },
2564   { CA_ARG_1,                           "1"                             },
2565   { CA_ARG_2,                           "2"                             },
2566   { CA_ARG_3,                           "3"                             },
2567   { CA_ARG_4,                           "4"                             },
2568   { CA_ARG_5,                           "5"                             },
2569   { CA_ARG_10,                          "10"                            },
2570   { CA_ARG_100,                         "100"                           },
2571   { CA_ARG_1000,                        "1000"                          },
2572   { CA_ARG_UNDEFINED,                   " "                             },
2573   { CA_ARG_NUMBER_MIN,                  "min"                           },
2574   { CA_ARG_NUMBER_MAX,                  "max"                           },
2575   { CA_ARG_UNDEFINED,                   " "                             },
2576   { CA_ARG_NUMBER_RESET,                "reset"                         },
2577   { CA_ARG_UNDEFINED,                   " "                             },
2578   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2579   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2580   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2581   { CA_ARG_UNDEFINED,                   " "                             },
2582   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2583   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2584   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2585   { CA_ARG_UNDEFINED,                   " "                             },
2586   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2587   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2588   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2589   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2590   { CA_ARG_UNDEFINED,                   " "                             },
2591   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2592   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2593   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2594   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2595   { CA_ARG_UNDEFINED,                   " "                             },
2596   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2597   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2598   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2599   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2600
2601   { -1,                                 NULL                            }
2602 };
2603
2604 static struct ValueTextInfo options_action_arg_envelope[] =
2605 {
2606   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2607   { CA_ARG_1,                           "1"                             },
2608   { CA_ARG_2,                           "2"                             },
2609   { CA_ARG_3,                           "3"                             },
2610   { CA_ARG_4,                           "4"                             },
2611   { CA_ARG_UNDEFINED,                   " "                             },
2612   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2613   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2614   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2615   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2616
2617   { -1,                                 NULL                            }
2618 };
2619
2620 static struct ValueTextInfo options_action_arg_key[] =
2621 {
2622   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2623   { CA_ARG_1,                           "1"                             },
2624   { CA_ARG_2,                           "2"                             },
2625   { CA_ARG_3,                           "3"                             },
2626   { CA_ARG_4,                           "4"                             },
2627   { CA_ARG_5,                           "5"                             },
2628   { CA_ARG_6,                           "6"                             },
2629   { CA_ARG_7,                           "7"                             },
2630   { CA_ARG_8,                           "8"                             },
2631   { CA_ARG_UNDEFINED,                   " "                             },
2632   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2633   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2634   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2635   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2636
2637   { -1,                                 NULL                            }
2638 };
2639
2640 static struct ValueTextInfo options_action_arg_speed[] =
2641 {
2642   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2643   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2644   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2645   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2646   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2647   { CA_ARG_SPEED_FAST,                  "fast"                          },
2648   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2649   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2650   { CA_ARG_UNDEFINED,                   " "                             },
2651   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2652   { CA_ARG_SPEED_FASTER,                "faster"                        },
2653   { CA_ARG_UNDEFINED,                   " "                             },
2654   { CA_ARG_SPEED_RESET,                 "reset"                         },
2655
2656   { -1,                                 NULL                            }
2657 };
2658
2659 static struct ValueTextInfo options_action_arg_shield[] =
2660 {
2661   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2662   { CA_ARG_SHIELD_OFF,                  "off"                           },
2663   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2664   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2665
2666   { -1,                                 NULL                            }
2667 };
2668
2669 static struct ValueTextInfo options_action_arg_artwork[] =
2670 {
2671   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2672   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2673   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2674   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2675   { CA_ARG_UNDEFINED,                   " "                             },
2676   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2677
2678   { -1,                                 NULL                            }
2679 };
2680
2681 static struct ValueTextInfo options_action_arg_gravity[] =
2682 {
2683   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2684   { CA_ARG_GRAVITY_ON,                  "on"                            },
2685   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2686   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2687
2688   { -1,                                 NULL                            }
2689 };
2690
2691 static struct ValueTextInfo options_action_arg_direction[] =
2692 {
2693   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2694   { CA_ARG_DIRECTION_NONE,              "none"                          },
2695   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2696   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2697   { CA_ARG_DIRECTION_UP,                "up"                            },
2698   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2699   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2700   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2701
2702   { -1,                                 NULL                            }
2703 };
2704
2705 static struct ValueTextInfo options_action_arg_scan_mode[] =
2706 {
2707   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2708   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2709   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2710
2711   { -1,                                 NULL                            }
2712 };
2713
2714 static struct ValueTextInfo options_action_arg_inventory[] =
2715 {
2716   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2717   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2718   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2719   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2720   { CA_ARG_UNDEFINED,                   " "                             },
2721   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2722   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2723   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2724   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2725   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2726   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2727   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2728   { CA_ARG_UNDEFINED,                   " "                             },
2729   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2730
2731   { -1,                                 NULL                            }
2732 };
2733
2734 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2735 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2736 {
2737   { -1,                                 NULL                            }
2738 };
2739
2740 static struct ValueTextInfo options_group_choice_mode[] =
2741 {
2742   { ANIM_RANDOM,                        "random"                        },
2743   { ANIM_LOOP,                          "loop"                          },
2744   { ANIM_LINEAR,                        "linear"                        },
2745   { ANIM_PINGPONG,                      "pingpong"                      },
2746   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2747   { ANIM_LEVEL_NR,                      "level number"                  },
2748
2749   { -1,                                 NULL                            }
2750 };
2751
2752 static struct ValueTextInfo options_bd_scheduling_type[] =
2753 {
2754   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2755   { GD_SCHEDULING_BD1,                  "BD1"                           },
2756   { GD_SCHEDULING_BD2,                  "BD2"                           },
2757   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2758   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2759   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2760   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2761
2762   { -1,                                   NULL                          }
2763 };
2764
2765 static struct ValueTextInfo *action_arg_modes[] =
2766 {
2767   options_action_mode_none,
2768   options_action_mode_assign,
2769   options_action_mode_add_remove,
2770   options_action_mode_calculate,
2771 };
2772
2773 static struct
2774 {
2775   int value;
2776   int mode;
2777   struct ValueTextInfo *options;
2778 }
2779 action_arg_options[] =
2780 {
2781   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2782   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2783   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2784   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2785   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2786   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2787   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2788   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2789   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2790   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2791   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2792   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2793   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2794   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2795   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2796   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2797   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2798   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2799   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2800   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2801   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2802   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2803
2804   { -1,                         FALSE,  NULL                            }
2805 };
2806
2807 static struct
2808 {
2809   int gadget_type_id;
2810   int x, y;
2811   int gadget_id;
2812   int gadget_id_align;
2813   int size;     // char size of selectbox or '-1' (dynamically determined)
2814   struct ValueTextInfo *options;
2815   int *value;
2816   char *text_above, *text_left, *text_right, *infotext;
2817 } selectbox_info[ED_NUM_SELECTBOX] =
2818 {
2819   // ---------- level and editor settings -------------------------------------
2820
2821   {
2822     ED_SELECTBOX_ID_TIME_OR_STEPS,
2823     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
2824     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
2825     -1,
2826     options_time_or_steps,
2827     &level.use_step_counter,
2828     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
2829   },
2830   {
2831     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2832     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
2833     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
2834     -1,
2835     options_time_score_base,
2836     &level.time_score_base,
2837     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
2838   },
2839   {
2840     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2841     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
2842     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
2843     -1,
2844     options_game_engine_type,
2845     &level.game_engine_type,
2846     NULL, "Game engine:", NULL,                 "Select game engine"
2847   },
2848   {
2849     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2850     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
2851     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
2852     -1,
2853     options_bd_scheduling_type,
2854     &level.bd_scheduling_type,
2855     NULL, "Scheduling type:", NULL,             "Select level timing"
2856   },
2857   {
2858     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2859     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
2860     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
2861     -1,
2862     options_levelset_save_mode,
2863     &levelset_save_mode,
2864     "Action:", NULL, NULL,                      "Select action when saving level set"
2865   },
2866
2867   // ---------- element settings: configure (several elements) ----------------
2868
2869   {
2870     ED_SELECTBOX_ID_WIND_DIRECTION,
2871     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2872     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
2873     -1,
2874     options_wind_direction,
2875     &level.wind_direction_initial,
2876     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2877   },
2878   {
2879     ED_SELECTBOX_ID_PLAYER_SPEED,
2880     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
2881     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
2882     -1,
2883     options_player_speed,
2884     &level.initial_player_stepsize[0],
2885     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2886   },
2887   {
2888     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
2889     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2890     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
2891     -1,
2892     options_bd_gravity_direction,
2893     &level.bd_gravity_direction,
2894     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
2895   },
2896   {
2897     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2898     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
2899     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
2900     -1,
2901     options_group_choice_mode,
2902     &level.mm_ball_choice_mode,
2903     NULL, "Choice type:", NULL,                 "Select type of content choice"
2904   },
2905
2906   // ---------- element settings: configure 1 (custom elements) ---------------
2907
2908   {
2909     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2910     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2911     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
2912     -1,
2913     options_access_type,
2914     &custom_element.access_type,
2915     NULL, NULL, NULL,                           "Select type of access to this field"
2916   },
2917   {
2918     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2919     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2920     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
2921     -1,
2922     options_access_layer,
2923     &custom_element.access_layer,
2924     NULL, NULL, NULL,                           "Select layer of access for this field"
2925   },
2926   {
2927     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2928     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2929     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
2930     -1,
2931     options_access_protected,
2932     &custom_element.access_protected,
2933     NULL, NULL, NULL,                           "Select protected access for this field"
2934   },
2935   {
2936     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2937     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2938     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
2939     -1,
2940     options_access_direction,
2941     &custom_element.access_direction,
2942     NULL, "from", NULL,                         "Select access direction for this field"
2943   },
2944   {
2945     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2946     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2947     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
2948     -1,
2949     options_walk_to_action,
2950     &custom_element.walk_to_action,
2951     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
2952   },
2953
2954   // ---------- element settings: configure 2 (custom elements) ---------------
2955
2956   {
2957     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2958     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
2959     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
2960     -1,
2961     options_move_pattern,
2962     &custom_element.move_pattern,
2963     NULL, "Can move", NULL,                     "Select element move pattern"
2964   },
2965   {
2966     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2967     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2968     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
2969     -1,
2970     options_move_direction,
2971     &custom_element.move_direction_initial,
2972     NULL, "Starts moving", NULL,                "Select initial element move direction"
2973   },
2974   {
2975     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2976     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2977     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
2978     -1,
2979     options_move_stepsize,
2980     &custom_element.move_stepsize,
2981     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
2982   },
2983   {
2984     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2985     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2986     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
2987     -1,
2988     options_move_leave_type,
2989     &custom_element.move_leave_type,
2990     // left text with leading spaces to place gadget next to "can dig" gadget
2991     // (needed because drawing area gadgets created after selectbox gadgets)
2992     // NULL, "can dig:    can", ":",            "leave behind or change element"
2993     NULL, "            Can", ":",               "Select leave behind or change element"
2994   },
2995   {
2996     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2997     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
2998     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
2999     -1,
3000     options_smash_targets,
3001     &custom_element.smash_targets,
3002     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
3003   },
3004   {
3005     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
3006     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
3007     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
3008     -1,
3009     options_slippery_type,
3010     &custom_element.slippery_type,
3011     NULL, "Slippery", NULL,                     "Select where other elements fall down"
3012   },
3013   {
3014     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
3015     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
3016     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
3017     -1,
3018     options_deadliness,
3019     &custom_element.deadliness,
3020     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3021   },
3022   {
3023     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3024     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3025     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3026     -1,
3027     options_explosion_type,
3028     &custom_element.explosion_type,
3029     NULL, "Can explode", NULL,                  "Select explosion type"
3030   },
3031
3032   // ---------- element settings: advanced (custom elements) ------------------
3033
3034   {
3035     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3036     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3037     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3038     -1,
3039     options_time_units,
3040     &custom_element_change.delay_frames,
3041     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3042   },
3043   {
3044     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3045     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3046     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3047     -1,
3048     options_change_direct_action,
3049     &custom_element_change.direct_action,
3050     NULL, NULL, NULL,                           "Select type of direct action"
3051   },
3052   {
3053     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3054     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3055     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3056     -1,
3057     options_change_other_action,
3058     &custom_element_change.other_action,
3059     NULL, NULL, "element:",                     "Select type of other element action"
3060   },
3061   {
3062     ED_SELECTBOX_ID_CHANGE_SIDE,
3063     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3064     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3065     -1,
3066     options_change_trigger_side,
3067     &custom_element_change.trigger_side,
3068     NULL, "at", "side",                         "Select element side triggering change"
3069   },
3070   {
3071     ED_SELECTBOX_ID_CHANGE_PLAYER,
3072     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3073     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3074     -1,
3075     options_change_trigger_player,
3076     &custom_element_change.trigger_player,
3077     NULL, "Player:", " ",                       "Select player that causes change"
3078   },
3079   {
3080     ED_SELECTBOX_ID_CHANGE_PAGE,
3081     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3082     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3083     -1,
3084     options_change_trigger_page,
3085     &custom_element_change.trigger_page,
3086     NULL, "Page:", NULL,                        "Select change page that causes change"
3087   },
3088   {
3089     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3090     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3091     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3092     -1,
3093     options_change_replace_when,
3094     &custom_element_change.replace_when,
3095     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3096   },
3097   {
3098     ED_SELECTBOX_ID_ACTION_TYPE,
3099     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3100     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3101     15,
3102     options_action_type,
3103     &custom_element_change.action_type,
3104     NULL, NULL, NULL,                           "Select action on specified condition"
3105   },
3106   {
3107     ED_SELECTBOX_ID_ACTION_MODE,
3108     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3109     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3110     -1,
3111     options_action_mode_none,
3112     &custom_element_change.action_mode,
3113     NULL, NULL, NULL,                           "Select action operator"
3114   },
3115   {
3116     ED_SELECTBOX_ID_ACTION_ARG,
3117     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3118     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3119     -1,
3120     options_action_arg_none,
3121     &custom_element_change.action_arg,
3122     NULL, NULL, NULL,                           "Select action parameter"
3123   },
3124   {
3125     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3126     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3127     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3128     3,
3129     options_change_page,
3130     &custom_element.current_change_page,
3131     NULL, NULL, NULL,                           "Select element change page"
3132   },
3133
3134   // ---------- element settings: configure (group elements) ------------------
3135
3136   {
3137     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3138     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3139     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3140     -1,
3141     options_group_choice_mode,
3142     &group_element_info.choice_mode,
3143     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3144   },
3145 };
3146
3147 static struct
3148 {
3149   int gadget_type_id;
3150   int x, y;
3151   int gadget_id;
3152   int gadget_id_align;
3153   int size;
3154   char *text;
3155   char *text_above, *text_left, *text_right, *infotext;
3156 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3157 {
3158   // ---------- level and editor settings (tabs) ------------------------------
3159
3160   {
3161     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3162     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3163     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3164     8,                                          "Level",
3165     NULL, NULL, NULL,                           "Configure level settings"
3166   },
3167   {
3168     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3169     -1,                                         -1,
3170     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3171     8,                                          "Levelset",
3172     NULL, NULL, NULL,                           "Update this or create new level set"
3173   },
3174   {
3175     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3176     -1,                                         -1,
3177     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3178     8,                                          "Editor",
3179     NULL, NULL, NULL,                           "Configure editor settings"
3180   },
3181   {
3182     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3183     -1,                                         -1,
3184     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3185     8,                                          "Engine",
3186     NULL, NULL, NULL,                           "Configure engine settings"
3187   },
3188
3189   // ---------- element settings (tabs) ---------------------------------------
3190
3191   {
3192     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3193     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3194     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3195     8,                                          "Info",
3196     NULL, NULL, NULL,                           "Show information about element"
3197   },
3198   {
3199     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3200     -1,                                         -1,
3201     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3202     8,                                          "Config",
3203     NULL, NULL, NULL,                           "Configure element properties"
3204   },
3205   {
3206     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3207     -1,                                         -1,
3208     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3209     8,                                          "Config 1",
3210     NULL, NULL, NULL,                           "Configure element properties, part 1"
3211   },
3212   {
3213     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3214     -1,                                         -1,
3215     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3216     8,                                          "Config 2",
3217     NULL, NULL, NULL,                           "Configure element properties, part 2"
3218   },
3219   {
3220     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3221     -1,                                         -1,
3222     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3223     8,                                          "Change",
3224     NULL, NULL, NULL,                           "Configure custom element change pages"
3225   },
3226
3227   // ---------- level and editor settings (buttons) ---------------------------
3228
3229   {
3230     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3231     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3232     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3233     -1,                                         "Save",
3234     NULL, NULL, NULL,                           "Update or create level set"
3235   },
3236   {
3237     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3238     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3239     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3240     -1,                                         "Save",
3241     NULL, NULL,                                 "this level as level template",
3242     "Save current settings as new template"
3243   },
3244
3245   // ---------- element settings (buttons) ------------------------------------
3246
3247   {
3248     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3249     -1,                                         -1,
3250     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3251     -1,                                         "Save",
3252     NULL, " ",                                  "As Template",
3253     "Save current settings as new template"
3254   },
3255   {
3256     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3257     -1,                                         -1,
3258     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3259     -1,                                         "New",
3260     NULL, NULL, NULL,                           "Add new change page"
3261   },
3262   {
3263     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3264     -1,                                         -1,
3265     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3266     -1,                                         "Delete",
3267     NULL, NULL, NULL,                           "Delete current change page"
3268   },
3269 };
3270
3271 static struct
3272 {
3273   int gadget_type_id;
3274   int graphic;
3275   int x, y;
3276   int gadget_id;
3277   int gadget_id_align;
3278   char *text_left, *text_right, *infotext;
3279 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3280 {
3281   {
3282     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3283     IMG_EDITOR_COUNTER_DOWN,
3284     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3285     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3286     NULL, NULL,                                 "Select previous change page"
3287   },
3288   {
3289     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3290     IMG_EDITOR_COUNTER_UP,
3291     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3292     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3293     NULL, "Change page",                        "Select next change page"
3294   },
3295   {
3296     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3297     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3298     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3299     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3300     " ", NULL,                                  "Copy settings from this change page"
3301   },
3302   {
3303     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3304     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3305     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3306     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3307     NULL, NULL,                                 "Paste settings to this change page"
3308   },
3309 };
3310
3311 static struct
3312 {
3313   int x, y;
3314 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3315
3316 static struct
3317 {
3318   int gadget_type_id;
3319   int graphic;
3320   int gadget_id;
3321   char *infotext;
3322 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3323 {
3324   {
3325     ED_SCROLLBUTTON_ID_AREA_UP,
3326     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3327     GADGET_ID_SCROLL_UP,
3328     "Scroll level editing area up"
3329   },
3330   {
3331     ED_SCROLLBUTTON_ID_AREA_DOWN,
3332     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3333     GADGET_ID_SCROLL_DOWN,
3334     "Scroll level editing area down"
3335   },
3336   {
3337     ED_SCROLLBUTTON_ID_AREA_LEFT,
3338     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3339     GADGET_ID_SCROLL_LEFT,
3340     "Scroll level editing area left"
3341   },
3342   {
3343     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3344     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3345     GADGET_ID_SCROLL_RIGHT,
3346     "Scroll level editing area right"
3347   },
3348   {
3349     ED_SCROLLBUTTON_ID_LIST_UP,
3350     IMG_EDITOR_PALETTE_SCROLL_UP,
3351     GADGET_ID_SCROLL_LIST_UP,
3352     "Scroll element list up ('Page Up')"
3353   },
3354   {
3355     ED_SCROLLBUTTON_ID_LIST_DOWN,
3356     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3357     GADGET_ID_SCROLL_LIST_DOWN,
3358     "Scroll element list down ('Page Down')"
3359   },
3360 };
3361
3362 static struct
3363 {
3364   int x, y;
3365   int width, height;
3366   int wheel_x, wheel_y;
3367   int wheel_width, wheel_height;
3368 } scrollbar_pos[ED_NUM_SCROLLBARS];
3369
3370 static struct
3371 {
3372   int gadget_type_id;
3373   int graphic;
3374   int type;
3375   int gadget_id;
3376   char *infotext;
3377 } scrollbar_info[ED_NUM_SCROLLBARS] =
3378 {
3379   {
3380     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3381     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3382     GD_TYPE_SCROLLBAR_HORIZONTAL,
3383     GADGET_ID_SCROLL_HORIZONTAL,
3384     "Scroll level editing area horizontally"
3385   },
3386   {
3387     ED_SCROLLBAR_ID_AREA_VERTICAL,
3388     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3389     GD_TYPE_SCROLLBAR_VERTICAL,
3390     GADGET_ID_SCROLL_VERTICAL,
3391     "Scroll level editing area vertically"
3392   },
3393   {
3394     ED_SCROLLBAR_ID_LIST_VERTICAL,
3395     IMG_EDITOR_PALETTE_SCROLLBAR,
3396     GD_TYPE_SCROLLBAR_VERTICAL,
3397     GADGET_ID_SCROLL_LIST_VERTICAL,
3398     "Scroll element list vertically"
3399   }
3400 };
3401
3402
3403 static struct
3404 {
3405   int gadget_type_id;
3406   int x, y;
3407   int gadget_id;
3408   int gadget_id_align;
3409   int radio_button_nr;
3410   int *value;
3411   int checked_value;
3412   char *text_left, *text_right, *infotext;
3413 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3414 {
3415   {
3416     ED_RADIOBUTTON_ID_PERCENTAGE,
3417     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3418     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3419     RADIO_NR_RANDOM_ELEMENTS,
3420     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3421     " ", "percentage",                          "Use percentage for random elements"
3422   },
3423   {
3424     ED_RADIOBUTTON_ID_QUANTITY,
3425     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3426     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3427     RADIO_NR_RANDOM_ELEMENTS,
3428     &random_placement_method,                   RANDOM_USE_QUANTITY,
3429     " ", "quantity",                            "Use quantity for random elements"
3430   }
3431 };
3432
3433 static struct
3434 {
3435   int gadget_type_id;
3436   int x, y;
3437   int gadget_id;
3438   int gadget_id_align;
3439   boolean *value;
3440   char *text_above, *text_left, *text_right, *infotext;
3441 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3442 {
3443   // ---------- level and editor settings -------------------------------------
3444
3445   {
3446     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3447     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3448     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3449     &level.auto_count_gems,
3450     NULL, NULL,
3451     "Automatically count gems needed",          "Set counter to number of gems"
3452   },
3453   {
3454     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3455     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3456     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3457     &level.rate_time_over_score,
3458     NULL, NULL,
3459     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3460   },
3461   {
3462     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3463     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3464     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3465     &levelset_use_levelset_artwork,
3466     NULL, NULL,
3467     "Use current custom artwork",               "Use custom artwork of this level set"
3468   },
3469   {
3470     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3471     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3472     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3473     &levelset_copy_level_template,
3474     NULL, NULL,
3475     "Copy current level template",              "Copy level template of this level set"
3476   },
3477   {
3478     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3479     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3480     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3481     &random_placement_background_restricted,
3482     NULL, NULL,
3483     "Restrict random placement to:",            "Set random placement restriction"
3484   },
3485   {
3486     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3487     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3488     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3489     &setup.editor.use_template_for_new_levels,
3490     "Template for new levels and CE/GE:", NULL,
3491     "Use template for new levels",              "Use template for level properties"
3492   },
3493   {
3494     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3495     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3496     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3497     &level.use_custom_template,
3498     NULL, NULL,
3499     "Use template for custom elements",         "Use template for custom properties"
3500   },
3501   {
3502     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3503     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
3504     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3505     &level.bd_intermission,
3506     "Boulder Dash game engine settings:", NULL,
3507     "Intermission",                             "Level is an intermission level"
3508   },
3509   {
3510     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3511     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
3512     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3513     &level.bd_pal_timing,
3514     NULL, NULL,
3515     "PAL timing",                               "Use slower timer (like PAL C64)"
3516   },
3517   {
3518     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3519     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3520     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3521     &level.bd_line_shifting_borders,
3522     "Compatibility settings:", NULL,
3523     "Line-shifting borders",                    "Use line-shifting wrap-around"
3524   },
3525   {
3526     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3527     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3528     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3529     &level.bd_scan_first_and_last_row,
3530     NULL, NULL,
3531     "Scan first and last row",                  "Also process top/bottom border rows"
3532   },
3533   {
3534     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3535     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3536     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3537     &level.bd_short_explosions,
3538     NULL, NULL,
3539     "Short explosions",                         "Use four game cycles for explosions"
3540   },
3541
3542   // ---------- element settings: configure (various elements) ----------------
3543
3544   {
3545     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3546     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3547     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3548     &stick_element_properties_window,
3549     NULL, NULL,
3550     "Stick this screen to edit content",        "Stick this screen to edit content"
3551   },
3552   {
3553     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3554     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3555     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3556     &level.em_slippery_gems,
3557     NULL, NULL,
3558     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3559   },
3560   {
3561     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3562     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3563     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3564     &level.em_explodes_by_fire,
3565     NULL, NULL,
3566     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3567   },
3568   {
3569     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3570     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3571     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3572     &level.use_spring_bug,
3573     NULL, NULL,
3574     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3575   },
3576   {
3577     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3578     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3579     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3580     &level.use_time_orb_bug,
3581     NULL, NULL,
3582     "Use time orb bug",                         "Use odd time orb behaviour"
3583   },
3584   {
3585     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3586     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3587     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3588     &level.use_life_bugs,
3589     NULL, NULL,
3590     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3591   },
3592   {
3593     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3594     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3595     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3596     &level.ball_random,
3597     NULL, NULL,
3598     "Create single random element",             "Only create one element from content"
3599   },
3600   {
3601     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3602     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3603     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3604     &level.ball_active_initial,
3605     NULL, NULL,
3606     "Magic ball initially activated",           "Activate magic ball after level start"
3607   },
3608   {
3609     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3610     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3611     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3612     &level.grow_into_diggable,
3613     NULL, NULL,
3614     "Can grow into anything diggable",          "Grow into more than just sand"
3615   },
3616   {
3617     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3618     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3619     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3620     &level.sb_fields_needed,
3621     NULL, NULL,
3622     "All fields need to be filled",             "Require all SB fields to be solved"
3623   },
3624   {
3625     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3626     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3627     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3628     &level.sb_objects_needed,
3629     NULL, NULL,
3630     "All objects need to be placed",            "Require all SB objects to be solved"
3631   },
3632   {
3633     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3634     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3635     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3636     &level.auto_exit_sokoban,
3637     NULL, NULL,
3638     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3639   },
3640   {
3641     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3642     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3643     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3644     &level.solved_by_one_player,
3645     NULL, NULL,
3646     "Only one player must enter exit",          "Level solved by first player in exit"
3647   },
3648   {
3649     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3650     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3651     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3652     &level.finish_dig_collect,
3653     NULL, NULL,
3654     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3655   },
3656   {
3657     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3658     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3659     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3660     &level.keep_walkable_ce,
3661     NULL, NULL,
3662     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3663   },
3664   {
3665     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3666     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3667     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3668     &level.continuous_snapping,
3669     NULL, NULL,
3670     "Continuous snapping",                      "Use snapping without releasing key"
3671   },
3672   {
3673     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3674     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
3675     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
3676     &level.block_snap_field,
3677     NULL, NULL,
3678     "Block snapped field when snapping",        "Use snapping delay to show animation"
3679   },
3680   {
3681     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3682     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3683     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
3684     &level.block_last_field,
3685     NULL, NULL,
3686     "Block last field when moving",             "Player blocks last field when moving"
3687   },
3688   {
3689     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3690     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3691     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
3692     &level.sp_block_last_field,
3693     NULL, NULL,
3694     "Block last field when moving",             "Player blocks last field when moving"
3695   },
3696   {
3697     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3698     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3699     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
3700     &level.instant_relocation,
3701     NULL, NULL,
3702     "No scrolling when relocating",             "Player gets relocated without delay"
3703   },
3704   {
3705     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3706     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3707     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
3708     &level.shifted_relocation,
3709     NULL, NULL,
3710     "No centering when relocating",             "Level not centered after relocation"
3711   },
3712   {
3713     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3714     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3715     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
3716     &level.lazy_relocation,
3717     NULL, NULL,
3718     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
3719   },
3720   {
3721     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3722     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
3723     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
3724     &level.use_start_element[0],
3725     NULL, NULL,
3726     "Use level start element:",                "Start level at this element's position"
3727   },
3728   {
3729     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3730     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
3731     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
3732     &level.use_artwork_element[0],
3733     NULL, NULL,
3734     "Use artwork from element:",                "Use player artwork from other element"
3735   },
3736   {
3737     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3738     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
3739     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
3740     &level.use_explosion_element[0],
3741     NULL, NULL,
3742     "Use explosion from element:",              "Use explosion properties from element"
3743   },
3744   {
3745     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3746     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
3747     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
3748     &level.initial_player_gravity[0],
3749     NULL, NULL,
3750     "Use initial gravity",                      "Set initial player gravity"
3751   },
3752   {
3753     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3754     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3755     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
3756     &level.use_initial_inventory[0],
3757     NULL, NULL,
3758     "Use initial inventory:",                   "Use collected elements on level start"
3759   },
3760   {
3761     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3762     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
3763     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
3764     &level.can_pass_to_walkable,
3765     NULL, NULL,
3766     "Can pass to walkable element",             "Player can pass to empty or walkable"
3767   },
3768   {
3769     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3770     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3771     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
3772     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3773     NULL, NULL,
3774     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
3775   },
3776   {
3777     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3778     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3779     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
3780     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3781     NULL, NULL,
3782     "Can move into acid",                       "Element can move into acid pool"
3783   },
3784   {
3785     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3786     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3787     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
3788     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3789     NULL, NULL,
3790     "Deadly when colliding with",               "Element is deadly when hitting player"
3791   },
3792   {
3793     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3794     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3795     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
3796     &level.bd_diagonal_movements,
3797     NULL, NULL,
3798     "Can move diagonally",                      "Player can move diagonally"
3799   },
3800   {
3801     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3802     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3803     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
3804     &level.bd_topmost_player_active,
3805     NULL, NULL,
3806     "Topmost player is active",                 "Use first player found on playfield"
3807   },
3808   {
3809     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3810     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3811     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
3812     &level.bd_push_mega_rock_with_sweet,
3813     NULL, NULL,
3814     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
3815   },
3816   {
3817     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3818     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3819     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
3820     &level.bd_magic_wall_wait_hatching,
3821     NULL, NULL,
3822     "Wait for player's birth",                  "Timer start waits for player's birth"
3823   },
3824   {
3825     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3826     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3827     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
3828     &level.bd_magic_wall_stops_amoeba,
3829     NULL, NULL,
3830     "Turn amoeba to diamonds",                  "Activation changes amoeba to diamonds"
3831   },
3832   {
3833     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3834     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3835     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
3836     &level.bd_amoeba_wait_for_hatching,
3837     NULL, NULL,
3838     "Wait for player's birth",                  "Timer start waits for player's birth"
3839   },
3840   {
3841     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3842     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3843     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
3844     &level.bd_amoeba_start_immediately,
3845     NULL, NULL,
3846     "Start growing immediately",                "Start slow growth time immediately"
3847   },
3848   {
3849     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3850     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3851     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
3852     &level.bd_amoeba_2_explode_by_amoeba,
3853     NULL, NULL,
3854     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
3855   },
3856   {
3857     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3858     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3859     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
3860     &level.bd_voodoo_collects_diamonds,
3861     NULL, NULL,
3862     "Can collect diamonds",                     "Can collect diamonds for the player"
3863   },
3864   {
3865     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3866     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3867     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
3868     &level.bd_voodoo_hurt_kills_player,
3869     NULL, NULL,
3870     "Player is killed if hurt",                 "If hurt in any way, player is killed"
3871   },
3872   {
3873     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3874     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3875     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
3876     &level.bd_voodoo_dies_by_rock,
3877     NULL, NULL,
3878     "Killed by falling rock",                   "Can be killed by a falling rock"
3879   },
3880   {
3881     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3882     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3883     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
3884     &level.bd_voodoo_vanish_by_explosion,
3885     NULL, NULL,
3886     "Disappears in explosions",                 "Can be destroyed by explosions"
3887   },
3888   {
3889     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3890     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3891     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
3892     &level.bd_slime_is_predictable,
3893     NULL, NULL,
3894     "Slime is predictable",                     "Use predictable random numbers"
3895   },
3896   {
3897     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3898     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3899     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
3900     &level.bd_change_expanding_wall,
3901     NULL, NULL,
3902     "Change direction",                         "Switch horizontal/vertical direction"
3903   },
3904   {
3905     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3906     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3907     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
3908     &level.bd_replicators_active,
3909     NULL, NULL,
3910     "Active at start",                          "Replicators start in active state"
3911   },
3912   {
3913     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3914     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3915     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
3916     &level.bd_conveyor_belts_active,
3917     NULL, NULL,
3918     "Active at start",                          "Conveyor belts start in active state"
3919   },
3920   {
3921     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3922     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3923     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
3924     &level.bd_conveyor_belts_changed,
3925     NULL, NULL,
3926     "Change direction",                         "Switch conveyor belt direction"
3927   },
3928   {
3929     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3930     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3931     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
3932     &level.bd_water_cannot_flow_down,
3933     NULL, NULL,
3934     "Does not flow downwards",                  "Water can only flow up, left and right"
3935   },
3936   {
3937     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
3938     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3939     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
3940     &level.bd_hammer_walls_reappear,
3941     NULL, NULL,
3942     "Hammered walls reappear",                  "Hammered walls reappear after delay"
3943   },
3944   {
3945     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
3946     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3947     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
3948     &level.bd_creatures_start_backwards,
3949     NULL, NULL,
3950     "Creatures start moving backwards",         "Creatures start in opposite direction"
3951   },
3952   {
3953     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
3954     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3955     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
3956     &level.bd_creatures_turn_on_hatching,
3957     NULL, NULL,
3958     "Creatures turn on hatching",               "Creatures change direction on hatching"
3959   },
3960   {
3961     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
3962     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3963     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
3964     &level.bd_gravity_switch_active,
3965     NULL, NULL,
3966     "Gravity switch active at start",           "Gravity switch starts in active state"
3967   },
3968   {
3969     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3970     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
3971     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
3972     &level.bd_gravity_affects_all,
3973     NULL, NULL,
3974     "Gravity change affects everything",        "Gravity affects all falling objects"
3975   },
3976   {
3977     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3978     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3979     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
3980     &level.envelope[0].autowrap,
3981     NULL, NULL,
3982     "Auto-wrap",                                "Automatically wrap envelope text"
3983   },
3984   {
3985     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3986     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
3987     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
3988     &level.envelope[0].centered,
3989     NULL, " ",
3990     "Centered",                                 "Automatically center envelope text"
3991   },
3992   {
3993     ED_CHECKBUTTON_ID_MM_LASER_RED,
3994     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3995     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
3996     &level.mm_laser_red,
3997     "Choose color components for laser:", NULL,
3998     "Red",                                      "Use red color components in laser"
3999   },
4000   {
4001     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
4002     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4003     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
4004     &level.mm_laser_green,
4005     NULL, NULL,
4006     "Green",                                    "Use green color components in laser"
4007   },
4008   {
4009     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
4010     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4011     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
4012     &level.mm_laser_blue,
4013     NULL, NULL,
4014     "Blue",                                     "Use blue color components in laser"
4015   },
4016   {
4017     ED_CHECKBUTTON_ID_DF_LASER_RED,
4018     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4019     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4020     &level.df_laser_red,
4021     "Choose color components for laser:", NULL,
4022     "Red",                                      "Use red color components in laser"
4023   },
4024   {
4025     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4026     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4027     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4028     &level.df_laser_green,
4029     NULL, NULL,
4030     "Green",                                    "Use green color components in laser"
4031   },
4032   {
4033     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4034     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4035     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4036     &level.df_laser_blue,
4037     NULL, NULL,
4038     "Blue",                                     "Use blue color components in laser"
4039   },
4040   {
4041     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4042     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4043     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4044     &level.rotate_mm_ball_content,
4045     NULL, NULL,
4046     "Randomly rotate created content",          "Randomly rotate newly created content"
4047   },
4048   {
4049     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4050     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4051     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4052     &level.explode_mm_ball,
4053     NULL, NULL,
4054     "Explode ball instead of melting",          "Use explosion to release ball content"
4055   },
4056
4057   // ---------- element settings: configure 1 (custom elements) ---------------
4058
4059   {
4060     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4061     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4062     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4063     &custom_element.use_gfx_element,
4064     NULL, NULL,
4065     "Use graphic of element:",                  "Use existing element graphic"
4066   },
4067   {
4068     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4069     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4070     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4071     &level.use_custom_template,
4072     NULL, NULL,
4073     "Use template",                             "Use template for custom properties"
4074   },
4075   {
4076     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4077     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4078     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4079     &custom_element_properties[EP_ACCESSIBLE],
4080     NULL, NULL,
4081     NULL,                                       "Player can walk to or pass this field"
4082   },
4083   {
4084     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4085     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4086     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4087     &custom_element_properties[EP_GRAVITY_REACHABLE],
4088     NULL, NULL,
4089     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4090   },
4091   {
4092     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4093     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4094     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4095     &custom_element.use_last_ce_value,
4096     NULL, NULL,
4097     "Use last CE value after change",           "Use last CE value after change"
4098   },
4099   {
4100     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4101     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4102     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4103     &custom_element_properties[EP_WALK_TO_OBJECT],
4104     NULL, NULL,
4105     NULL,                                       "Player can dig/collect/push element"
4106   },
4107   {
4108     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4109     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4110     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4111     &custom_element_properties[EP_INDESTRUCTIBLE],
4112     NULL, NULL,
4113     "Indestructible",                           "Element is indestructible"
4114   },
4115
4116   // ---------- element settings: configure 2 (custom elements) ---------------
4117
4118   {
4119     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4120     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4121     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4122     &custom_element_properties[EP_CAN_MOVE],
4123     NULL, NULL,
4124     NULL,                                       "Element can move with some pattern"
4125   },
4126   {
4127     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4128     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4129     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4130     &custom_element_properties[EP_CAN_FALL],
4131     NULL, NULL,
4132     "Can fall",                                 "Element can fall down"
4133   },
4134   {
4135     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4136     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4137     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4138     &custom_element_properties[EP_CAN_SMASH],
4139     NULL, " ",
4140     NULL,                                       "Element can smash other elements"
4141   },
4142   {
4143     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4144     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4145     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4146     &custom_element_properties[EP_SLIPPERY],
4147     NULL, NULL,
4148     NULL,                                       "Other elements can fall down from it"
4149   },
4150   {
4151     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4152     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4153     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4154     &custom_element_properties[EP_DEADLY],
4155     NULL, NULL,
4156     NULL,                                       "Element can kill the player"
4157   },
4158   {
4159     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4160     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4161     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4162     &custom_element_properties[EP_CAN_EXPLODE],
4163     NULL, NULL,
4164     NULL,                                       "Element can explode"
4165   },
4166   {
4167     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4168     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4169     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4170     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4171     NULL, NULL,
4172     "By fire",                                  "Element can explode by fire/explosion"
4173   },
4174   {
4175     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4176     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4177     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4178     &custom_element_properties[EP_EXPLODES_SMASHED],
4179     NULL, " ",
4180     "Smashed",                                  "Element can explode when smashed"
4181   },
4182   {
4183     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4184     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4185     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4186     &custom_element_properties[EP_EXPLODES_IMPACT],
4187     NULL, " ",
4188     "Impact",                                   "Element can explode on impact"
4189   },
4190
4191   // ---------- element settings: advanced (custom elements) ------------------
4192
4193   {
4194     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4195     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4196     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4197     &custom_element_change.can_change,
4198     NULL, NULL,
4199     "Element changes to:",                      "Change element on specified condition"
4200   },
4201   {
4202     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4203     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4204     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4205     &custom_element_change_events[CE_DELAY],
4206     NULL, NULL,
4207     NULL,                                       "Element changes after delay"
4208   },
4209   {
4210     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4211     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4212     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4213     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4214     NULL, NULL,
4215     NULL,                                       "Element changes by direct action"
4216   },
4217   {
4218     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4219     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4220     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4221     &custom_element_change_events[CE_BY_OTHER_ACTION],
4222     NULL, NULL,
4223     NULL,                                       "Element changes by other element"
4224   },
4225   {
4226     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4227     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4228     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4229     &custom_element_change.explode,
4230     NULL, NULL,
4231     "Explode instead of change",                "Element explodes instead of change"
4232   },
4233   {
4234     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4235     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4236     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4237     &custom_element_change.use_target_content,
4238     NULL, NULL,
4239     "Use extended change target:",              "Element changes to more elements"
4240   },
4241   {
4242     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4243     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4244     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4245     &custom_element_change.only_if_complete,
4246     NULL, NULL,
4247     "Replace all or nothing",                   "Only replace when all can be changed"
4248   },
4249   {
4250     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4251     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4252     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4253     &custom_element_change.use_random_replace,
4254     NULL, NULL,
4255     NULL,                                       "Use percentage for random replace"
4256   },
4257   {
4258     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4259     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4260     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4261     &custom_element_change.has_action,
4262     NULL, NULL,
4263     NULL,                                       "Execute action on specified condition"
4264   },
4265 };
4266
4267 static struct
4268 {
4269   int gadget_type_id;
4270   int x, y;
4271   int xoffset, yoffset;
4272   int gadget_id;
4273   int gadget_id_align;
4274   int *value;
4275   int area_xsize, area_ysize;
4276   char *text_left, *text_right, *text_above, *text_below, *infotext;
4277 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4278 {
4279   // ---------- level playfield content ---------------------------------------
4280
4281   {
4282     ED_DRAWING_ID_DRAWING_LEVEL,
4283     0,                                          0,
4284     0,                                          0,
4285     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4286     NULL,
4287     -1, -1,     // these values are not constant, but can change at runtime
4288     NULL, NULL, NULL, NULL,                     NULL
4289   },
4290
4291   // ---------- yam yam content -----------------------------------------------
4292
4293   {
4294     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4295     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4296     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4297     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4298     &level.yamyam_content[0].e[0][0],           3, 3,
4299     NULL, NULL, NULL, "1",                      NULL
4300   },
4301   {
4302     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4303     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4304     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4305     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4306     &level.yamyam_content[1].e[0][0],           3, 3,
4307     NULL, NULL, NULL, "2",                      NULL
4308   },
4309   {
4310     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4311     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4312     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4313     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4314     &level.yamyam_content[2].e[0][0],           3, 3,
4315     NULL, NULL, NULL, "3",                      NULL
4316   },
4317   {
4318     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4319     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4320     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4321     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4322     &level.yamyam_content[3].e[0][0],           3, 3,
4323     NULL, NULL, NULL, "4",                      NULL
4324   },
4325   {
4326     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4327     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4328     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4329     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4330     &level.yamyam_content[4].e[0][0],           3, 3,
4331     NULL, NULL, NULL, "5",                      NULL
4332   },
4333   {
4334     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4335     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4336     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4337     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4338     &level.yamyam_content[5].e[0][0],           3, 3,
4339     NULL, NULL, NULL, "6",                      NULL
4340   },
4341   {
4342     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4343     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4344     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4345     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4346     &level.yamyam_content[6].e[0][0],           3, 3,
4347     NULL, NULL, NULL, "7",                      NULL
4348   },
4349   {
4350     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4351     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4352     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4353     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4354     &level.yamyam_content[7].e[0][0],           3, 3,
4355     NULL, NULL, NULL, "8",                      NULL
4356   },
4357
4358   // ---------- magic ball content --------------------------------------------
4359
4360   {
4361     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4362     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4363     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4364     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4365     &level.ball_content[0].e[0][0],             3, 3,
4366     NULL, NULL, NULL, "1",                      NULL
4367   },
4368   {
4369     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4370     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4371     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4372     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4373     &level.ball_content[1].e[0][0],             3, 3,
4374     NULL, NULL, NULL, "2",                      NULL
4375   },
4376   {
4377     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4378     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4379     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4380     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4381     &level.ball_content[2].e[0][0],             3, 3,
4382     NULL, NULL, NULL, "3",                      NULL
4383   },
4384   {
4385     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4386     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4387     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4388     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4389     &level.ball_content[3].e[0][0],             3, 3,
4390     NULL, NULL, NULL, "4",                      NULL
4391   },
4392   {
4393     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4394     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4395     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4396     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4397     &level.ball_content[4].e[0][0],             3, 3,
4398     NULL, NULL, NULL, "5",                      NULL
4399   },
4400   {
4401     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4402     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4403     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4404     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4405     &level.ball_content[5].e[0][0],             3, 3,
4406     NULL, NULL, NULL, "6",                      NULL
4407   },
4408   {
4409     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4410     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4411     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4412     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4413     &level.ball_content[6].e[0][0],             3, 3,
4414     NULL, NULL, NULL, "7",                      NULL
4415   },
4416   {
4417     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4418     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4419     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4420     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4421     &level.ball_content[7].e[0][0],             3, 3,
4422     NULL, NULL, NULL, "8",                      NULL
4423   },
4424
4425   // ---------- android content -----------------------------------------------
4426
4427   {
4428     ED_DRAWING_ID_ANDROID_CONTENT,
4429     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4430     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4431     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4432     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4433     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4434   },
4435
4436   // ---------- amoeba content ------------------------------------------------
4437
4438   {
4439     ED_DRAWING_ID_AMOEBA_CONTENT,
4440     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4441     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4442     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4443     &level.amoeba_content,                      1, 1,
4444     "Content:", NULL, NULL, NULL,               "Amoeba content"
4445   },
4446
4447   // ---------- BD snap element -----------------------------------------------
4448
4449   {
4450     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4451     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4452     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4453     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4454     &level.bd_snap_element,                     1, 1,
4455     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4456   },
4457
4458   // ---------- BD magic wall elements ----------------------------------------
4459
4460   {
4461     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4462     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(4),
4463     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4464     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4465     &level.bd_magic_wall_diamond_to,            1, 1,
4466     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4467   },
4468   {
4469     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4470     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4471     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4472     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4473     &level.bd_magic_wall_rock_to,               1, 1,
4474     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4475   },
4476   {
4477     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4478     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4479     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4480     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4481     &level.bd_magic_wall_mega_rock_to,          1, 1,
4482     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4483   },
4484   {
4485     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4486     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4487     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4488     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4489     &level.bd_magic_wall_nut_to,                1, 1,
4490     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4491   },
4492   {
4493     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4494     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4495     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4496     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4497     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4498     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4499   },
4500   {
4501     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4502     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4503     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4504     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4505     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4506     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4507   },
4508   {
4509     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4510     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4511     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4512     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4513     &level.bd_magic_wall_flying_rock_to,        1, 1,
4514     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4515   },
4516
4517   // ---------- BD amoeba content ---------------------------------------------
4518
4519   {
4520     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4521     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4522     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4523     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4524     &level.bd_amoeba_content_too_big,           1, 1,
4525     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4526   },
4527   {
4528     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4529     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4530     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4531     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4532     &level.bd_amoeba_content_enclosed,          1, 1,
4533     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4534   },
4535
4536   // ---------- BD amoeba 2 content -------------------------------------------
4537
4538   {
4539     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4540     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4541     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4542     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4543     &level.bd_amoeba_2_content_too_big,         1, 1,
4544     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4545   },
4546   {
4547     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4548     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4549     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4550     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4551     &level.bd_amoeba_2_content_enclosed,        1, 1,
4552     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4553   },
4554   {
4555     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4556     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4557     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4558     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4559     &level.bd_amoeba_2_content_exploding,       1, 1,
4560     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4561   },
4562   {
4563     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4564     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4565     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4566     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4567     &level.bd_amoeba_2_content_looks_like,      1, 1,
4568     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4569   },
4570   {
4571     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4572     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4573     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4574     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4575     &level.bd_slime_eats_element_1,             1, 1,
4576     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4577   },
4578   {
4579     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4580     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4581     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4582     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4583     &level.bd_slime_converts_to_element_1,      1, 1,
4584     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4585   },
4586   {
4587     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4588     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4589     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4590     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4591     &level.bd_slime_eats_element_2,             1, 1,
4592     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4593   },
4594   {
4595     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4596     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4597     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4598     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4599     &level.bd_slime_converts_to_element_2,      1, 1,
4600     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4601   },
4602   {
4603     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4604     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4605     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4606     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4607     &level.bd_slime_eats_element_3,             1, 1,
4608     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4609   },
4610   {
4611     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4612     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4613     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4614     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4615     &level.bd_slime_converts_to_element_3,      1, 1,
4616     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4617   },
4618   {
4619     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4620     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4621     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4622     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4623     &level.bd_acid_eats_element,                1, 1,
4624     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4625   },
4626   {
4627     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4628     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4629     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4630     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4631     &level.bd_acid_turns_to_element,            1, 1,
4632     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4633   },
4634   {
4635     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4636     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4637     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4638     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4639     &level.bd_biter_eats_element,               1, 1,
4640     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4641   },
4642   {
4643     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4644     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4645     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4646     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
4647     &level.bd_bladder_converts_by_element,      1, 1,
4648     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
4649   },
4650   {
4651     ED_DRAWING_ID_BD_NUT_CONTENT,
4652     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4653     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4654     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
4655     &level.bd_nut_content,                      1, 1,
4656     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
4657   },
4658   {
4659     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4660     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4661     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4662     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
4663     &level.bd_expanding_wall_looks_like,        1, 1,
4664     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
4665   },
4666   {
4667     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
4668     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4669     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4670     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
4671     &level.bd_sand_looks_like,                  1, 1,
4672     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
4673   },
4674   {
4675     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING,
4676     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4677     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4678     GADGET_ID_BD_ROCK_TURNS_TO_ON_FALLING,      GADGET_ID_NONE,
4679     &level.bd_rock_turns_to_on_falling,         1, 1,
4680     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
4681   },
4682   {
4683     ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT,
4684     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4685     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4686     GADGET_ID_BD_ROCK_TURNS_TO_ON_IMPACT,       GADGET_ID_NONE,
4687     &level.bd_rock_turns_to_on_impact,          1, 1,
4688     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
4689   },
4690   {
4691     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,
4692     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4693     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4694     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_FALLING,   GADGET_ID_NONE,
4695     &level.bd_diamond_turns_to_on_falling,      1, 1,
4696     "Turns to when falling:", NULL, NULL, NULL, "Changes to this when falling starts"
4697   },
4698   {
4699     ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,
4700     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4701     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4702     GADGET_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT,    GADGET_ID_NONE,
4703     &level.bd_diamond_turns_to_on_impact,       1, 1,
4704     "Turns to on impact:", NULL, NULL, NULL,    "Changes to this when falling stops"
4705   },
4706   {
4707     ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO,
4708     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4709     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4710     GADGET_ID_BD_FIREFLY_EXPLODES_TO,           GADGET_ID_NONE,
4711     &level.bd_firefly_explodes_to,              1, 1,
4712     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4713   },
4714   {
4715     ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO,
4716     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4717     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4718     GADGET_ID_BD_FIREFLY_2_EXPLODES_TO,         GADGET_ID_NONE,
4719     &level.bd_firefly_2_explodes_to,            1, 1,
4720     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4721   },
4722   {
4723     ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO,
4724     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4725     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4726     GADGET_ID_BD_BUTTERFLY_EXPLODES_TO,         GADGET_ID_NONE,
4727     &level.bd_butterfly_explodes_to,            1, 1,
4728     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4729   },
4730   {
4731     ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO,
4732     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4733     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4734     GADGET_ID_BD_BUTTERFLY_2_EXPLODES_TO,       GADGET_ID_NONE,
4735     &level.bd_butterfly_2_explodes_to,          1, 1,
4736     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4737   },
4738   {
4739     ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO,
4740     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4741     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4742     GADGET_ID_BD_STONEFLY_EXPLODES_TO,          GADGET_ID_NONE,
4743     &level.bd_stonefly_explodes_to,             1, 1,
4744     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4745   },
4746   {
4747     ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO,
4748     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4749     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4750     GADGET_ID_BD_DRAGONFLY_EXPLODES_TO,         GADGET_ID_NONE,
4751     &level.bd_dragonfly_explodes_to,            1, 1,
4752     "Explodes to:", NULL, NULL, NULL,           "Changes to this when exploding"
4753   },
4754
4755   // ---------- level start element -------------------------------------------
4756
4757   {
4758     ED_DRAWING_ID_START_ELEMENT,
4759     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
4760     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4761     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
4762     &level.start_element[0],                    1, 1,
4763     NULL, NULL, NULL, NULL,                     "Level start element"
4764   },
4765
4766   // ---------- player artwork element ----------------------------------------
4767
4768   {
4769     ED_DRAWING_ID_ARTWORK_ELEMENT,
4770     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
4771     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4772     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
4773     &level.artwork_element[0],                  1, 1,
4774     NULL, NULL, NULL, NULL,                     "Element for player artwork"
4775   },
4776
4777   // ---------- player explosion element --------------------------------------
4778
4779   {
4780     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4781     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
4782     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4783     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
4784     &level.explosion_element[0],                1, 1,
4785     NULL, NULL, NULL, NULL,                     "Element for player explosion"
4786   },
4787
4788   // ---------- player initial inventory --------------------------------------
4789
4790   {
4791     ED_DRAWING_ID_INVENTORY_CONTENT,
4792     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4793     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4794     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
4795     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
4796     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
4797   },
4798
4799   // ---------- gray ball content -----------------------------------------
4800
4801   {
4802     ED_DRAWING_ID_MM_BALL_CONTENT,
4803     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4804     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4805     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
4806     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
4807     "Content:", NULL, NULL, NULL,               "Content for gray ball"
4808   },
4809
4810   // ---------- element settings: configure 1 (custom elements) ---------------
4811
4812   // ---------- custom graphic ------------------------------------------------
4813
4814   {
4815     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4816     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4817     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4818     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
4819     &custom_element.gfx_element_initial,        1, 1,
4820     NULL, NULL, NULL, NULL,                     "Custom graphic element"
4821   },
4822
4823   // ---------- element settings: configure 2 (custom elements) ---------------
4824
4825   // ---------- custom content (when exploding) -------------------------------
4826
4827   {
4828     ED_DRAWING_ID_CUSTOM_CONTENT,
4829     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
4830     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4831     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
4832     &custom_element.content.e[0][0],            3, 3,
4833     "Content:", NULL, NULL, NULL,               NULL
4834   },
4835
4836   // ---------- custom enter and leave element (when moving) ------------------
4837
4838   {
4839     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4840     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
4841     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4842     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
4843     &custom_element.move_enter_element,         1, 1,
4844     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
4845   },
4846   {
4847     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4848     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
4849     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4850     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4851     &custom_element.move_leave_element,         1, 1,
4852     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
4853   },
4854
4855   // ---------- element settings: advanced (custom elements) ------------------
4856
4857   // ---------- custom change target ------------------------------------------
4858
4859   {
4860     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4861     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4862     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4863     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
4864     &custom_element_change.target_element,      1, 1,
4865     NULL, "after/when:", NULL, NULL,            "New target element after change"
4866   },
4867
4868   // ---------- custom change content (extended change target) ----------------
4869
4870   {
4871     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4872     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
4873     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4874     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
4875     &custom_element_change.target_content.e[0][0], 3, 3,
4876     NULL, NULL, NULL, NULL,                     "New extended elements after change"
4877   },
4878
4879   // ---------- custom change trigger (element causing change) ----------------
4880
4881   {
4882     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4883     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
4884     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4885     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
4886     &custom_element_change.initial_trigger_element, 1, 1,
4887     NULL, NULL, NULL, NULL,                     "Other element triggering change"
4888   },
4889
4890   // ---------- custom change action (element used for action) ----------------
4891
4892   {
4893     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4894     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
4895     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4896     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
4897     &custom_element_change.action_element,      1, 1,
4898     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
4899   },
4900
4901   // ---------- group element content -----------------------------------------
4902
4903   {
4904     ED_DRAWING_ID_GROUP_CONTENT,
4905     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4906     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4907     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
4908     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
4909     "Content:", NULL, NULL, NULL,               NULL
4910   },
4911
4912   // ---------- random background (for random painting) -----------------------
4913
4914   {
4915     ED_DRAWING_ID_RANDOM_BACKGROUND,
4916     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
4917     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
4918     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
4919     &random_placement_background_element,       1, 1,
4920     NULL, NULL, NULL, NULL,                     "Random placement background"
4921   },
4922 };
4923
4924
4925 // ----------------------------------------------------------------------------
4926 // some internally used variables
4927 // ----------------------------------------------------------------------------
4928
4929 // maximal size of level editor drawing area
4930 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4931
4932 // actual size of level editor drawing area
4933 static int ed_fieldx, ed_fieldy;
4934
4935 // actual position of level editor drawing area in level playfield
4936 static int level_xpos = -1, level_ypos = -1;
4937
4938 // actual tile size used to display playfield drawing area
4939 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4940 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4941
4942 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4943
4944 // drawing elements on the three mouse buttons
4945 static int new_element1 = EL_WALL;
4946 static int new_element2 = EL_EMPTY;
4947 static int new_element3 = EL_SAND;
4948
4949 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4950 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4951                                 (button) == 2 ? new_element2 : \
4952                                 (button) == 3 ? new_element3 : EL_EMPTY)
4953
4954 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4955
4956 static int use_permanent_palette = TRUE;
4957
4958 #define PX              (use_permanent_palette ? DX : SX)
4959 #define PY              (use_permanent_palette ? DY : SY)
4960 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4961 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4962
4963 // forward declaration for internal use
4964 static void CopyBrushToCursor(int, int);
4965 static void DeleteBrushFromCursor(void);
4966 static void ModifyEditorCounterValue(int, int);
4967 static void ModifyEditorCounterLimits(int, int, int);
4968 static void ModifyEditorSelectboxValue(int, int);
4969 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4970 static void ModifyEditorDrawingArea(int, int, int);
4971 static void ModifyEditorElementList(void);
4972 static void AdjustElementListScrollbar(void);
4973 static void RedrawDrawingElements(void);
4974 static void DrawDrawingWindowExt(boolean);
4975 static void DrawDrawingWindow(void);
4976 static void DrawLevelConfigWindow(void);
4977 static void DrawPropertiesWindow(void);
4978 static void DrawPaletteWindow(void);
4979 static void UpdateCustomElementGraphicGadgets(void);
4980 static boolean checkPropertiesConfig(int);
4981 static void SetAutomaticNumberOfGemsNeeded(void);
4982 static void ClearEditorGadgetInfoText(void);
4983 static void CopyLevelToUndoBuffer(int);
4984 static void HandleDrawingAreas(struct GadgetInfo *);
4985 static void HandleCounterButtons(struct GadgetInfo *);
4986 static void HandleTextInputGadgets(struct GadgetInfo *);
4987 static void HandleTextAreaGadgets(struct GadgetInfo *);
4988 static void HandleSelectboxGadgets(struct GadgetInfo *);
4989 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4990 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4991 static void HandleRadiobuttons(struct GadgetInfo *);
4992 static void HandleCheckbuttons(struct GadgetInfo *);
4993 static void HandleControlButtons(struct GadgetInfo *);
4994 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4995 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4996 static boolean AskToCopyAndModifyLevelTemplate(void);
4997 static boolean getDrawModeHiRes(void);
4998 static int getTabulatorBarWidth(void);
4999 static int getTabulatorBarHeight(void);
5000 static Pixel getTabulatorBarColor(void);
5001 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
5002 static int numHiresTiles(int);
5003
5004 static int num_editor_gadgets = 0;      // dynamically determined
5005
5006 static struct GadgetInfo **level_editor_gadget = NULL;
5007 static int *right_gadget_border = NULL;
5008
5009 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
5010 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
5011 static boolean draw_with_brush = FALSE;
5012 static int properties_element = 0;
5013
5014 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5015 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5016 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
5017 static int undo_buffer_position = 0;
5018 static int undo_buffer_steps = 0;
5019 static int redo_buffer_steps = 0;
5020
5021 static int edit_mode;
5022 static int edit_mode_levelconfig;
5023 static int edit_mode_properties;
5024
5025 static int element_shift = 0;
5026
5027 static int editor_el_players[] =
5028 {
5029   EL_PLAYER_1,
5030   EL_PLAYER_2,
5031   EL_PLAYER_3,
5032   EL_PLAYER_4
5033 };
5034 static int *editor_el_players_ptr = editor_el_players;
5035 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
5036
5037 static int editor_hl_boulderdash[] =
5038 {
5039   EL_INTERNAL_CASCADE_BD_ACTIVE,
5040   EL_CHAR('B'),
5041   EL_CHAR('D'),
5042   EL_EMPTY,
5043 };
5044
5045 static int editor_el_boulderdash[] =
5046 {
5047   EL_EMPTY,
5048   EL_SAND,
5049   EL_BD_ROCK,
5050   EL_BD_DIAMOND,
5051
5052   EL_STEELWALL,
5053   EL_BD_WALL,
5054   EL_BD_EXPANDABLE_WALL,
5055   EL_BD_MAGIC_WALL,
5056
5057   EL_BD_AMOEBA,
5058   EL_BD_BUTTERFLY_UP,
5059   EL_BD_FIREFLY_UP,
5060   EL_EXIT_CLOSED,
5061
5062   EL_BD_BUTTERFLY_LEFT,
5063   EL_BD_FIREFLY_LEFT,
5064   EL_BD_BUTTERFLY_RIGHT,
5065   EL_BD_FIREFLY_RIGHT,
5066
5067   EL_EMPTY,
5068   EL_BD_BUTTERFLY_DOWN,
5069   EL_BD_FIREFLY_DOWN,
5070   EL_EXIT_OPEN,
5071 };
5072 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
5073 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
5074 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
5075 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
5076
5077 static int editor_hl_boulderdash_native[] =
5078 {
5079   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
5080   EL_CHAR('B'),
5081   EL_CHAR('D'),
5082   EL_EMPTY,
5083 };
5084
5085 static int editor_el_boulderdash_native[] =
5086 {
5087   EL_EMPTY,
5088   EL_BD_SAND,
5089   EL_BD_ROCK,
5090   EL_BD_DIAMOND,
5091
5092   EL_BD_STEELWALL,
5093   EL_BD_WALL,
5094   EL_BD_SAND_2,
5095   EL_BD_MAGIC_WALL,
5096
5097   EL_BD_AMOEBA,
5098   EL_BD_BUTTERFLY_UP,
5099   EL_BD_FIREFLY_UP,
5100   EL_BD_EXIT_CLOSED,
5101
5102   EL_BD_BUTTERFLY_LEFT,
5103   EL_BD_FIREFLY_LEFT,
5104   EL_BD_BUTTERFLY_RIGHT,
5105   EL_BD_FIREFLY_RIGHT,
5106
5107   EL_BD_INBOX,
5108   EL_BD_BUTTERFLY_DOWN,
5109   EL_BD_FIREFLY_DOWN,
5110   EL_BD_EXIT_OPEN,
5111
5112   EL_BD_AMOEBA_2,
5113   EL_BD_BUTTERFLY_2_UP,
5114   EL_BD_FIREFLY_2_UP,
5115   EL_BD_SLIME,
5116
5117   EL_BD_BUTTERFLY_2_LEFT,
5118   EL_BD_FIREFLY_2_LEFT,
5119   EL_BD_BUTTERFLY_2_RIGHT,
5120   EL_BD_FIREFLY_2_RIGHT,
5121
5122   EL_BD_BOMB,
5123   EL_BD_BUTTERFLY_2_DOWN,
5124   EL_BD_FIREFLY_2_DOWN,
5125   EL_BD_FLYING_DIAMOND,
5126
5127   EL_BD_NITRO_PACK,
5128   EL_BD_DRAGONFLY_UP,
5129   EL_BD_STONEFLY_UP,
5130   EL_BD_DIAMOND_GLUED,
5131
5132   EL_BD_DRAGONFLY_LEFT,
5133   EL_BD_STONEFLY_LEFT,
5134   EL_BD_DRAGONFLY_RIGHT,
5135   EL_BD_STONEFLY_RIGHT,
5136
5137   EL_BD_NUT,
5138   EL_BD_DRAGONFLY_DOWN,
5139   EL_BD_STONEFLY_DOWN,
5140   EL_EMPTY,
5141
5142   EL_BD_BITER_SWITCH_1,
5143   EL_BD_BITER_UP,
5144   EL_BD_COW_UP,
5145   EL_EMPTY,
5146
5147   EL_BD_BITER_LEFT,
5148   EL_BD_COW_LEFT,
5149   EL_BD_BITER_RIGHT,
5150   EL_BD_COW_RIGHT,
5151
5152   EL_BD_VOODOO_DOLL,
5153   EL_BD_BITER_DOWN,
5154   EL_BD_COW_DOWN,
5155   EL_BD_GHOST,
5156
5157   EL_BD_SAND_GLUED,
5158   EL_BD_SAND_BALL,
5159   EL_BD_SAND_LOOSE,
5160   EL_BD_WALL_NON_SLOPED,
5161
5162   EL_BD_SAND_SLOPED_UP_LEFT,
5163   EL_BD_SAND_SLOPED_UP_RIGHT,
5164   EL_BD_WALL_SLOPED_UP_LEFT,
5165   EL_BD_WALL_SLOPED_UP_RIGHT,
5166
5167   EL_BD_SAND_SLOPED_DOWN_LEFT,
5168   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5169   EL_BD_WALL_SLOPED_DOWN_LEFT,
5170   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5171
5172   EL_BD_FLYING_ROCK,
5173   EL_BD_ROCK_GLUED,
5174   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5175   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5176
5177   EL_BD_WAITING_ROCK,
5178   EL_BD_CHASING_ROCK,
5179   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5180   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5181
5182   EL_BD_MEGA_ROCK,
5183   EL_BD_SWEET,
5184   EL_BD_INVISIBLE_EXIT_CLOSED,
5185   EL_BD_INVISIBLE_EXIT_OPEN,
5186
5187   EL_BD_STEELWALL_EXPLODABLE,
5188   EL_BD_STEELWALL_DIGGABLE,
5189   EL_BD_WALL_DIGGABLE,
5190   EL_BD_FALLING_WALL,
5191
5192   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5193   EL_BD_EXPANDABLE_WALL_VERTICAL,
5194   EL_BD_EXPANDABLE_WALL_ANY,
5195   EL_BD_EXPANDABLE_WALL_SWITCH,
5196
5197   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5198   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5199   EL_BD_EXPANDABLE_STEELWALL_ANY,
5200   EL_BD_CREATURE_SWITCH,
5201
5202   EL_BD_BLADDER,
5203   EL_BD_BLADDER_SPENDER,
5204   EL_BD_REPLICATOR,
5205   EL_BD_REPLICATOR_SWITCH,
5206
5207   EL_BD_CONVEYOR_LEFT,
5208   EL_BD_CONVEYOR_RIGHT,
5209   EL_BD_CONVEYOR_SWITCH,
5210   EL_BD_CONVEYOR_DIR_SWITCH,
5211
5212   EL_BD_CLOCK,
5213   EL_BD_TIME_PENALTY,
5214   EL_BD_GRAVESTONE,
5215   EL_BD_SKELETON,
5216
5217   EL_BD_WATER,
5218   EL_BD_ACID,
5219   EL_BD_LAVA,
5220   EL_BD_BOX,
5221
5222   EL_BD_GATE_1,
5223   EL_BD_GATE_2,
5224   EL_BD_GATE_3,
5225   EL_BD_TRAPPED_DIAMOND,
5226
5227   EL_BD_KEY_1,
5228   EL_BD_KEY_2,
5229   EL_BD_KEY_3,
5230   EL_BD_DIAMOND_KEY,
5231
5232   EL_BD_WALL_KEY_1,
5233   EL_BD_WALL_KEY_2,
5234   EL_BD_WALL_KEY_3,
5235   EL_BD_WALL_DIAMOND,
5236
5237   EL_BD_POT,
5238   EL_BD_GRAVITY_SWITCH,
5239   EL_BD_PNEUMATIC_HAMMER,
5240   EL_BD_TELEPORTER,
5241
5242   EL_BD_PLAYER,
5243   EL_BD_PLAYER_WITH_BOMB,
5244   EL_BD_PLAYER_GLUED,
5245   EL_BD_PLAYER_STIRRING,
5246 };
5247 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5248 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5249 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5250 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5251
5252 static int editor_hl_boulderdash_effects[] =
5253 {
5254   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5255   EL_CHAR('B'),
5256   EL_CHAR('D'),
5257   EL_CHAR('E'),
5258 };
5259
5260 static int editor_el_boulderdash_effects[] =
5261 {
5262   EL_BD_DIAMOND_FALLING,
5263   EL_BD_ROCK_FALLING,
5264   EL_BD_MEGA_ROCK_FALLING,
5265   EL_BD_FLYING_DIAMOND_FLYING,
5266
5267   EL_BD_FALLING_WALL_FALLING,
5268   EL_BD_NITRO_PACK_FALLING,
5269   EL_BD_NUT_FALLING,
5270   EL_BD_FLYING_ROCK_FLYING,
5271
5272   EL_BD_PLAYER_GROWING_1,
5273   EL_BD_PLAYER_GROWING_2,
5274   EL_BD_PLAYER_GROWING_3,
5275   EL_BD_PLAYER,
5276
5277   EL_BD_PLAYER_WITH_BOMB,
5278   EL_BD_PLAYER_STIRRING,
5279   EL_BD_EXIT_OPEN,
5280   EL_BD_INVISIBLE_EXIT_OPEN,
5281
5282   EL_BD_BLADDER_1,
5283   EL_BD_BLADDER_2,
5284   EL_BD_BLADDER_3,
5285   EL_BD_BLADDER_4,
5286
5287   EL_BD_BLADDER_5,
5288   EL_BD_BLADDER_6,
5289   EL_BD_BLADDER_7,
5290   EL_BD_BLADDER_8,
5291
5292   EL_BD_SAND_2,
5293   EL_BD_COW_ENCLOSED_1,
5294   EL_BD_COW_ENCLOSED_2,
5295   EL_BD_COW_ENCLOSED_3,
5296
5297   EL_BD_COW_ENCLOSED_4,
5298   EL_BD_COW_ENCLOSED_5,
5299   EL_BD_COW_ENCLOSED_6,
5300   EL_BD_COW_ENCLOSED_7,
5301
5302   EL_BD_WATER_1,
5303   EL_BD_WATER_2,
5304   EL_BD_WATER_3,
5305   EL_BD_WATER_4,
5306
5307   EL_BD_WATER_5,
5308   EL_BD_WATER_6,
5309   EL_BD_WATER_7,
5310   EL_BD_WATER_8,
5311
5312   EL_BD_WATER_9,
5313   EL_BD_WATER_10,
5314   EL_BD_WATER_11,
5315   EL_BD_WATER_12,
5316
5317   EL_BD_WATER_13,
5318   EL_BD_WATER_14,
5319   EL_BD_WATER_15,
5320   EL_BD_WATER_16,
5321
5322   EL_BD_BOMB_TICKING_1,
5323   EL_BD_BOMB_TICKING_2,
5324   EL_BD_BOMB_TICKING_3,
5325   EL_BD_BOMB_TICKING_4,
5326
5327   EL_BD_BOMB_TICKING_5,
5328   EL_BD_BOMB_TICKING_6,
5329   EL_BD_BOMB_TICKING_7,
5330   EL_EMPTY,
5331
5332   EL_BD_BOMB_EXPLODING_1,
5333   EL_BD_BOMB_EXPLODING_2,
5334   EL_BD_BOMB_EXPLODING_3,
5335   EL_BD_BOMB_EXPLODING_4,
5336
5337   EL_BD_NUT_BREAKING_1,
5338   EL_BD_NUT_BREAKING_2,
5339   EL_BD_NUT_BREAKING_3,
5340   EL_BD_NUT_BREAKING_4,
5341
5342   EL_BD_EXPLODING_1,
5343   EL_BD_EXPLODING_2,
5344   EL_BD_EXPLODING_3,
5345   EL_BD_EXPLODING_4,
5346
5347   EL_BD_EXPLODING_5,
5348   EL_BD_TIME_PENALTY,
5349   EL_BD_DIAMOND_GROWING_1,
5350   EL_BD_DIAMOND_GROWING_2,
5351
5352   EL_BD_DIAMOND_GROWING_3,
5353   EL_BD_DIAMOND_GROWING_4,
5354   EL_BD_DIAMOND_GROWING_5,
5355   EL_BD_NITRO_PACK_EXPLODING,
5356
5357   EL_BD_NITRO_PACK_EXPLODING_1,
5358   EL_BD_NITRO_PACK_EXPLODING_2,
5359   EL_BD_NITRO_PACK_EXPLODING_3,
5360   EL_BD_NITRO_PACK_EXPLODING_4,
5361
5362   EL_BD_ROCK_GROWING_1,
5363   EL_BD_ROCK_GROWING_2,
5364   EL_BD_ROCK_GROWING_3,
5365   EL_BD_ROCK_GROWING_4,
5366
5367   EL_BD_STEELWALL_GROWING_1,
5368   EL_BD_STEELWALL_GROWING_2,
5369   EL_BD_STEELWALL_GROWING_3,
5370   EL_BD_STEELWALL_GROWING_4,
5371
5372   EL_BD_CLOCK_GROWING_1,
5373   EL_BD_CLOCK_GROWING_2,
5374   EL_BD_CLOCK_GROWING_3,
5375   EL_BD_CLOCK_GROWING_4,
5376
5377   EL_BD_GHOST_EXPLODING_1,
5378   EL_BD_GHOST_EXPLODING_2,
5379   EL_BD_GHOST_EXPLODING_3,
5380   EL_BD_GHOST_EXPLODING_4,
5381 };
5382 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5383 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5384 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5385 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5386
5387 static int editor_hl_emerald_mine[] =
5388 {
5389   EL_INTERNAL_CASCADE_EM_ACTIVE,
5390   EL_CHAR('E'),
5391   EL_CHAR('M'),
5392   EL_EMPTY,
5393 };
5394
5395 static int editor_el_emerald_mine[] =
5396 {
5397   EL_SAND,
5398   EL_ROCK,
5399   EL_QUICKSAND_EMPTY,
5400   EL_QUICKSAND_FULL,
5401
5402   EL_STEELWALL,
5403   EL_WALL,
5404   EL_WALL_SLIPPERY,
5405   EL_MAGIC_WALL,
5406
5407   EL_EMERALD,
5408   EL_DIAMOND,
5409   EL_NUT,
5410   EL_BOMB,
5411
5412   EL_EM_DYNAMITE,
5413   EL_EM_DYNAMITE_ACTIVE,
5414   EL_EM_EXIT_CLOSED,
5415   EL_EM_EXIT_OPEN,
5416
5417   EL_YAMYAM_UP,
5418   EL_BUG_UP,
5419   EL_SPACESHIP_UP,
5420   EL_ROBOT,
5421
5422   EL_BUG_LEFT,
5423   EL_SPACESHIP_LEFT,
5424   EL_BUG_RIGHT,
5425   EL_SPACESHIP_RIGHT,
5426
5427   EL_ROBOT_WHEEL,
5428   EL_BUG_DOWN,
5429   EL_SPACESHIP_DOWN,
5430   EL_INVISIBLE_WALL,
5431
5432   EL_ACID_POOL_TOPLEFT,
5433   EL_ACID,
5434   EL_ACID_POOL_TOPRIGHT,
5435   EL_AMOEBA_DROP,
5436
5437   EL_ACID_POOL_BOTTOMLEFT,
5438   EL_ACID_POOL_BOTTOM,
5439   EL_ACID_POOL_BOTTOMRIGHT,
5440   EL_AMOEBA_WET,
5441
5442   EL_EM_KEY_1,
5443   EL_EM_KEY_2,
5444   EL_EM_KEY_3,
5445   EL_EM_KEY_4,
5446
5447   EL_EM_GATE_1,
5448   EL_EM_GATE_2,
5449   EL_EM_GATE_3,
5450   EL_EM_GATE_4,
5451
5452   EL_EM_GATE_1_GRAY,
5453   EL_EM_GATE_2_GRAY,
5454   EL_EM_GATE_3_GRAY,
5455   EL_EM_GATE_4_GRAY,
5456 };
5457 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5458 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5459 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5460 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5461
5462 static int editor_hl_emerald_mine_club[] =
5463 {
5464   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5465   EL_CHAR('E'),
5466   EL_CHAR('M'),
5467   EL_CHAR('C'),
5468 };
5469
5470 static int editor_el_emerald_mine_club[] =
5471 {
5472   EL_EMC_KEY_5,
5473   EL_EMC_KEY_6,
5474   EL_EMC_KEY_7,
5475   EL_EMC_KEY_8,
5476
5477   EL_EMC_GATE_5,
5478   EL_EMC_GATE_6,
5479   EL_EMC_GATE_7,
5480   EL_EMC_GATE_8,
5481
5482   EL_EMC_GATE_5_GRAY,
5483   EL_EMC_GATE_6_GRAY,
5484   EL_EMC_GATE_7_GRAY,
5485   EL_EMC_GATE_8_GRAY,
5486
5487   EL_EMC_STEELWALL_1,
5488   EL_EMC_STEELWALL_2,
5489   EL_EMC_STEELWALL_3,
5490   EL_EMC_STEELWALL_4,
5491
5492   EL_EMC_WALL_13,
5493   EL_EMC_WALL_14,
5494   EL_EMC_WALL_15,
5495   EL_EMC_WALL_16,
5496
5497   EL_EMC_WALL_SLIPPERY_1,
5498   EL_EMC_WALL_SLIPPERY_2,
5499   EL_EMC_WALL_SLIPPERY_3,
5500   EL_EMC_WALL_SLIPPERY_4,
5501
5502   EL_EMC_WALL_1,
5503   EL_EMC_WALL_2,
5504   EL_EMC_WALL_3,
5505   EL_EMC_WALL_4,
5506
5507   EL_EMC_WALL_5,
5508   EL_EMC_WALL_6,
5509   EL_EMC_WALL_7,
5510   EL_EMC_WALL_8,
5511
5512   EL_EMC_WALL_9,
5513   EL_EMC_WALL_10,
5514   EL_EMC_WALL_11,
5515   EL_EMC_WALL_12,
5516
5517   EL_EMC_GRASS,
5518   EL_EMC_FAKE_GRASS,
5519   EL_EMC_PLANT,
5520   EL_EMC_DRIPPER,
5521
5522   EL_EMC_MAGIC_BALL,
5523   EL_EMC_MAGIC_BALL_SWITCH,
5524   EL_EMC_LENSES,
5525   EL_EMC_MAGNIFIER,
5526
5527   EL_SPRING_LEFT,
5528   EL_SPRING,
5529   EL_SPRING_RIGHT,
5530   EL_EMC_SPRING_BUMPER,
5531
5532   EL_BALLOON,
5533   EL_YAMYAM_UP,
5534   EL_BALLOON_SWITCH_UP,
5535   EL_BALLOON_SWITCH_ANY,
5536
5537   EL_YAMYAM_LEFT,
5538   EL_BALLOON_SWITCH_LEFT,
5539   EL_YAMYAM_RIGHT,
5540   EL_BALLOON_SWITCH_RIGHT,
5541
5542   EL_EMC_ANDROID,
5543   EL_YAMYAM_DOWN,
5544   EL_BALLOON_SWITCH_DOWN,
5545   EL_BALLOON_SWITCH_NONE,
5546 };
5547 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5548 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5549 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5550 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5551
5552 static int editor_hl_rnd[] =
5553 {
5554   EL_INTERNAL_CASCADE_RND_ACTIVE,
5555   EL_CHAR('R'),
5556   EL_CHAR('N'),
5557   EL_CHAR('D'),
5558 };
5559
5560 static int editor_el_rnd[] =
5561 {
5562   EL_DYNAMITE,                  // RND
5563   EL_DYNAMITE_ACTIVE,           // RND
5564   EL_EMPTY,
5565   EL_EMPTY,
5566
5567   EL_KEY_1,
5568   EL_KEY_2,
5569   EL_KEY_3,
5570   EL_KEY_4,
5571
5572   EL_GATE_1,
5573   EL_GATE_2,
5574   EL_GATE_3,
5575   EL_GATE_4,
5576
5577   EL_GATE_1_GRAY,
5578   EL_GATE_2_GRAY,
5579   EL_GATE_3_GRAY,
5580   EL_GATE_4_GRAY,
5581
5582   EL_ARROW_LEFT,
5583   EL_ARROW_RIGHT,
5584   EL_ARROW_UP,
5585   EL_ARROW_DOWN,
5586
5587   EL_AMOEBA_DEAD,
5588   EL_AMOEBA_DRY,
5589   EL_AMOEBA_FULL,
5590   EL_GAME_OF_LIFE,
5591
5592   EL_EMERALD_YELLOW,
5593   EL_EMERALD_RED,
5594   EL_EMERALD_PURPLE,
5595   EL_BIOMAZE,
5596
5597   EL_WALL_EMERALD_YELLOW,
5598   EL_WALL_EMERALD_RED,
5599   EL_WALL_EMERALD_PURPLE,
5600   EL_WALL_BD_DIAMOND,
5601
5602   EL_SPEED_PILL,
5603   EL_PACMAN_UP,
5604   EL_TIME_ORB_FULL,
5605   EL_TIME_ORB_EMPTY,
5606
5607   EL_PACMAN_LEFT,
5608   EL_DARK_YAMYAM,
5609   EL_PACMAN_RIGHT,
5610   EL_YAMYAM,                    // RND
5611
5612   EL_BLACK_ORB,
5613   EL_PACMAN_DOWN,
5614   EL_LAMP,
5615   EL_LAMP_ACTIVE,
5616
5617   EL_DYNABOMB_INCREASE_NUMBER,
5618   EL_DYNABOMB_INCREASE_SIZE,
5619   EL_DYNABOMB_INCREASE_POWER,
5620   EL_STONEBLOCK,
5621
5622   EL_MOLE,
5623   EL_PENGUIN,
5624   EL_PIG,
5625   EL_DRAGON,
5626
5627   EL_BUG,
5628   EL_MOLE_UP,
5629   EL_BD_BUTTERFLY,
5630   EL_BD_FIREFLY,
5631
5632   EL_MOLE_LEFT,
5633   EL_SATELLITE,
5634   EL_MOLE_RIGHT,
5635   EL_PACMAN,
5636
5637   EL_SPACESHIP,
5638   EL_MOLE_DOWN,
5639   EL_INVISIBLE_STEELWALL,
5640   EL_INVISIBLE_WALL,
5641
5642   EL_EXPANDABLE_WALL,
5643   EL_EXPANDABLE_WALL_HORIZONTAL,
5644   EL_EXPANDABLE_WALL_VERTICAL,
5645   EL_EXPANDABLE_WALL_ANY,
5646 };
5647 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5648 static int *editor_el_rnd_ptr = editor_el_rnd;
5649 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5650 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5651
5652 static int editor_hl_sokoban[] =
5653 {
5654   EL_INTERNAL_CASCADE_SB_ACTIVE,
5655   EL_CHAR('S'),
5656   EL_CHAR('B'),
5657   EL_EMPTY,
5658 };
5659
5660 static int editor_el_sokoban[] =
5661 {
5662   EL_SOKOBAN_OBJECT,
5663   EL_SOKOBAN_FIELD_EMPTY,
5664   EL_SOKOBAN_FIELD_FULL,
5665   EL_SOKOBAN_FIELD_PLAYER,
5666 };
5667 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5668 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5669 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5670 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5671
5672 static int editor_hl_supaplex[] =
5673 {
5674   EL_INTERNAL_CASCADE_SP_ACTIVE,
5675   EL_CHAR('S'),
5676   EL_CHAR('P'),
5677   EL_EMPTY,
5678 };
5679
5680 static int editor_el_supaplex[] =
5681 {
5682   EL_SP_MURPHY,
5683   EL_EMPTY,
5684   EL_SP_BASE,
5685   EL_SP_BUGGY_BASE,
5686
5687   EL_SP_INFOTRON,
5688   EL_SP_ZONK,
5689   EL_SP_SNIKSNAK,
5690   EL_SP_ELECTRON,
5691
5692   EL_SP_DISK_RED,
5693   EL_SP_DISK_ORANGE,
5694   EL_SP_DISK_YELLOW,
5695   EL_SP_TERMINAL,
5696
5697   EL_SP_EXIT_CLOSED,
5698   EL_SP_PORT_HORIZONTAL,
5699   EL_SP_PORT_VERTICAL,
5700   EL_SP_PORT_ANY,
5701
5702   EL_SP_PORT_LEFT,
5703   EL_SP_PORT_RIGHT,
5704   EL_SP_PORT_UP,
5705   EL_SP_PORT_DOWN,
5706
5707   EL_SP_GRAVITY_PORT_LEFT,
5708   EL_SP_GRAVITY_PORT_RIGHT,
5709   EL_SP_GRAVITY_PORT_UP,
5710   EL_SP_GRAVITY_PORT_DOWN,
5711
5712   EL_SP_GRAVITY_ON_PORT_LEFT,
5713   EL_SP_GRAVITY_ON_PORT_RIGHT,
5714   EL_SP_GRAVITY_ON_PORT_UP,
5715   EL_SP_GRAVITY_ON_PORT_DOWN,
5716
5717   EL_SP_GRAVITY_OFF_PORT_LEFT,
5718   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5719   EL_SP_GRAVITY_OFF_PORT_UP,
5720   EL_SP_GRAVITY_OFF_PORT_DOWN,
5721
5722   EL_SP_HARDWARE_GRAY,
5723   EL_SP_HARDWARE_GREEN,
5724   EL_SP_HARDWARE_BLUE,
5725   EL_SP_HARDWARE_RED,
5726
5727   EL_SP_HARDWARE_BASE_1,
5728   EL_SP_HARDWARE_BASE_2,
5729   EL_SP_HARDWARE_BASE_3,
5730   EL_SP_HARDWARE_BASE_4,
5731
5732   EL_SP_HARDWARE_BASE_5,
5733   EL_SP_HARDWARE_BASE_6,
5734   EL_SP_HARDWARE_YELLOW,
5735   EL_SP_CHIP_TOP,
5736
5737   EL_SP_CHIP_SINGLE,
5738   EL_SP_CHIP_LEFT,
5739   EL_SP_CHIP_RIGHT,
5740   EL_SP_CHIP_BOTTOM,
5741 };
5742 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5743 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5744 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5745 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5746
5747 static int editor_hl_diamond_caves[] =
5748 {
5749   EL_INTERNAL_CASCADE_DC_ACTIVE,
5750   EL_CHAR('D'),
5751   EL_CHAR('C'),
5752   EL_CHAR('2'),
5753 };
5754
5755 static int editor_el_diamond_caves[] =
5756 {
5757   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5758   EL_EM_STEEL_EXIT_OPEN,        // DC2
5759   EL_WALL_EMERALD,              // DC2
5760   EL_WALL_DIAMOND,              // DC2
5761
5762   EL_PEARL,
5763   EL_CRYSTAL,
5764   EL_WALL_PEARL,
5765   EL_WALL_CRYSTAL,
5766
5767   EL_CONVEYOR_BELT_1_LEFT,
5768   EL_CONVEYOR_BELT_1_MIDDLE,
5769   EL_CONVEYOR_BELT_1_RIGHT,
5770   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5771
5772   EL_CONVEYOR_BELT_2_LEFT,
5773   EL_CONVEYOR_BELT_2_MIDDLE,
5774   EL_CONVEYOR_BELT_2_RIGHT,
5775   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5776
5777   EL_CONVEYOR_BELT_3_LEFT,
5778   EL_CONVEYOR_BELT_3_MIDDLE,
5779   EL_CONVEYOR_BELT_3_RIGHT,
5780   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5781
5782   EL_CONVEYOR_BELT_4_LEFT,
5783   EL_CONVEYOR_BELT_4_MIDDLE,
5784   EL_CONVEYOR_BELT_4_RIGHT,
5785   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5786
5787   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5788   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5789   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5790   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5791
5792   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5793   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5794   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5795   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5796
5797   EL_TIMEGATE_CLOSED,
5798   EL_TIMEGATE_OPEN,
5799   EL_TIMEGATE_SWITCH,
5800   EL_DC_TIMEGATE_SWITCH,
5801
5802   EL_SWITCHGATE_CLOSED,
5803   EL_SWITCHGATE_OPEN,
5804   EL_SWITCHGATE_SWITCH_UP,
5805   EL_SWITCHGATE_SWITCH_DOWN,
5806
5807   EL_LIGHT_SWITCH,
5808   EL_LIGHT_SWITCH_ACTIVE,
5809   EL_DC_SWITCHGATE_SWITCH_UP,
5810   EL_DC_SWITCHGATE_SWITCH_DOWN,
5811
5812   EL_STEEL_EXIT_CLOSED,
5813   EL_STEEL_EXIT_OPEN,
5814   EL_STEELWALL_SLIPPERY,
5815   EL_INVISIBLE_SAND,
5816
5817   EL_QUICKSAND_FAST_EMPTY,
5818   EL_QUICKSAND_FAST_FULL,
5819   EL_LANDMINE,
5820   EL_DC_LANDMINE,
5821
5822   EL_SHIELD_NORMAL,
5823   EL_SHIELD_DEADLY,
5824   EL_EXTRA_TIME,
5825   EL_DC_MAGIC_WALL,
5826
5827   EL_ENVELOPE_1,
5828   EL_ENVELOPE_2,
5829   EL_ENVELOPE_3,
5830   EL_ENVELOPE_4,
5831
5832   EL_SIGN_RADIOACTIVITY,
5833   EL_SIGN_WHEELCHAIR,
5834   EL_SIGN_PARKING,
5835   EL_SIGN_NO_ENTRY,
5836
5837   EL_SIGN_GIVE_WAY,
5838   EL_SIGN_ENTRY_FORBIDDEN,
5839   EL_SIGN_EMERGENCY_EXIT,
5840   EL_SIGN_YIN_YANG,
5841
5842 #if 0
5843   EL_SIGN_SPERMS,
5844   EL_SIGN_BULLET,
5845   EL_SIGN_HEART,
5846   EL_SIGN_CROSS,
5847
5848   EL_SIGN_FRANKIE,
5849   EL_EMPTY,
5850   EL_EMPTY,
5851   EL_EMPTY,
5852
5853   EL_SPERMS,
5854   EL_BULLET,
5855   EL_HEART,
5856   EL_CROSS,
5857
5858   EL_FRANKIE,
5859   EL_EMPTY,
5860   EL_EMPTY,
5861   EL_EMPTY,
5862 #endif
5863
5864   EL_DC_STEELWALL_2_SINGLE,
5865   EL_DC_STEELWALL_2_TOP,
5866   EL_SIGN_EXCLAMATION,
5867   EL_SIGN_STOP,
5868
5869   EL_DC_STEELWALL_2_LEFT,
5870   EL_DC_STEELWALL_2_MIDDLE,
5871   EL_DC_STEELWALL_2_HORIZONTAL,
5872   EL_DC_STEELWALL_2_RIGHT,
5873
5874   EL_DC_STEELWALL_1_TOPLEFT,
5875   EL_DC_STEELWALL_2_VERTICAL,
5876   EL_DC_STEELWALL_1_TOPRIGHT,
5877   EL_DC_GATE_WHITE,
5878
5879   EL_DC_STEELWALL_1_VERTICAL,
5880   EL_DC_STEELWALL_2_BOTTOM,
5881   EL_DC_KEY_WHITE,
5882   EL_DC_GATE_WHITE_GRAY,
5883
5884   EL_DC_STEELWALL_1_BOTTOMLEFT,
5885   EL_DC_STEELWALL_1_HORIZONTAL,
5886   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5887   EL_DC_GATE_FAKE_GRAY,
5888
5889   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5890   EL_DC_STEELWALL_1_BOTTOM,
5891   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5892   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5893
5894   EL_DC_STEELWALL_1_RIGHT,
5895   EL_EMPTY,
5896   EL_DC_STEELWALL_1_LEFT,
5897   EL_EXPANDABLE_STEELWALL_VERTICAL,
5898
5899   EL_DC_STEELWALL_1_TOPRIGHT_2,
5900   EL_DC_STEELWALL_1_TOP,
5901   EL_DC_STEELWALL_1_TOPLEFT_2,
5902   EL_EXPANDABLE_STEELWALL_ANY,
5903 };
5904 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5905 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5906 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5907 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5908
5909 static int editor_hl_dx_boulderdash[] =
5910 {
5911   EL_INTERNAL_CASCADE_DX_ACTIVE,
5912   EL_CHAR('D'),
5913   EL_CHAR('X'),
5914   EL_EMPTY,
5915 };
5916
5917 static int editor_el_dx_boulderdash[] =
5918 {
5919   EL_EMPTY,
5920   EL_TUBE_RIGHT_DOWN,
5921   EL_TUBE_HORIZONTAL_DOWN,
5922   EL_TUBE_LEFT_DOWN,
5923
5924   EL_TUBE_HORIZONTAL,
5925   EL_TUBE_VERTICAL_RIGHT,
5926   EL_TUBE_ANY,
5927   EL_TUBE_VERTICAL_LEFT,
5928
5929   EL_TUBE_VERTICAL,
5930   EL_TUBE_RIGHT_UP,
5931   EL_TUBE_HORIZONTAL_UP,
5932   EL_TUBE_LEFT_UP,
5933
5934   EL_TRAP,
5935   EL_DX_SUPABOMB,
5936   EL_EMPTY,
5937   EL_EMPTY
5938 };
5939 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5940 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5941 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5942 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5943
5944 static int editor_hl_mirror_magic[] =
5945 {
5946   EL_INTERNAL_CASCADE_MM_ACTIVE,
5947   EL_CHAR('M'),
5948   EL_CHAR('M'),
5949   EL_EMPTY,
5950 };
5951
5952 static int editor_el_mirror_magic[] =
5953 {
5954   EL_MM_MCDUFFIN_RIGHT,
5955   EL_MM_MCDUFFIN_UP,
5956   EL_MM_MCDUFFIN_LEFT,
5957   EL_MM_MCDUFFIN_DOWN,
5958
5959   EL_MM_MIRROR_START,
5960   EL_MM_MIRROR_FIXED_START,
5961   EL_MM_POLARIZER_START,
5962   EL_MM_POLARIZER_CROSS_START,
5963
5964   EL_MM_TELEPORTER_RED_START,
5965   EL_MM_TELEPORTER_YELLOW_START,
5966   EL_MM_TELEPORTER_GREEN_START,
5967   EL_MM_TELEPORTER_BLUE_START,
5968
5969   EL_MM_PRISM,
5970   EL_MM_FUSE_ACTIVE,
5971   EL_MM_PACMAN_RIGHT,
5972   EL_MM_EXIT_CLOSED,
5973
5974   EL_MM_KETTLE,
5975   EL_MM_BOMB,
5976   EL_MM_KEY,
5977   EL_MM_FUEL_FULL,
5978
5979   EL_MM_LIGHTBULB,
5980   EL_MM_LIGHTBULB_ACTIVE,
5981   EL_MM_GRAY_BALL,
5982   EL_MM_LIGHTBALL,
5983
5984   EL_MM_STEEL_WALL,
5985   EL_MM_WOODEN_WALL,
5986   EL_MM_ICE_WALL,
5987   EL_MM_AMOEBA_WALL,
5988
5989   EL_MM_STEEL_LOCK,
5990   EL_MM_WOODEN_LOCK,
5991   EL_MM_STEEL_BLOCK,
5992   EL_MM_WOODEN_BLOCK,
5993
5994   EL_MM_STEEL_GRID_FIXED_1,
5995   EL_MM_STEEL_GRID_FIXED_2,
5996   EL_MM_STEEL_GRID_FIXED_3,
5997   EL_MM_STEEL_GRID_FIXED_4,
5998
5999   EL_MM_WOODEN_GRID_FIXED_1,
6000   EL_MM_WOODEN_GRID_FIXED_2,
6001   EL_MM_WOODEN_GRID_FIXED_3,
6002   EL_MM_WOODEN_GRID_FIXED_4,
6003
6004   EL_MM_ENVELOPE_1,
6005   EL_MM_ENVELOPE_2,
6006   EL_MM_ENVELOPE_3,
6007   EL_MM_ENVELOPE_4
6008 };
6009 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
6010 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
6011 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
6012 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
6013
6014 static int editor_hl_deflektor[] =
6015 {
6016   EL_INTERNAL_CASCADE_DF_ACTIVE,
6017   EL_CHAR('D'),
6018   EL_CHAR('F'),
6019   EL_EMPTY,
6020 };
6021
6022 static int editor_el_deflektor[] =
6023 {
6024   EL_DF_LASER_RIGHT,
6025   EL_DF_LASER_UP,
6026   EL_DF_LASER_LEFT,
6027   EL_DF_LASER_DOWN,
6028
6029   EL_DF_RECEIVER_RIGHT,
6030   EL_DF_RECEIVER_UP,
6031   EL_DF_RECEIVER_LEFT,
6032   EL_DF_RECEIVER_DOWN,
6033
6034   EL_DF_MIRROR_START,
6035   EL_DF_MIRROR_ROTATING_START,
6036   EL_DF_MIRROR_FIXED_START,
6037   EL_DF_CELL,
6038
6039   EL_DF_FIBRE_OPTIC_RED_1,
6040   EL_DF_FIBRE_OPTIC_YELLOW_1,
6041   EL_DF_FIBRE_OPTIC_GREEN_1,
6042   EL_DF_FIBRE_OPTIC_BLUE_1,
6043
6044   EL_DF_STEEL_GRID_FIXED_START,
6045   EL_DF_STEEL_GRID_ROTATING_START,
6046   EL_DF_WOODEN_GRID_FIXED_START,
6047   EL_DF_WOODEN_GRID_ROTATING_START,
6048
6049   EL_DF_STEEL_WALL,
6050   EL_DF_WOODEN_WALL,
6051   EL_DF_REFRACTOR,
6052   EL_DF_MINE,
6053
6054   EL_DF_SLOPE_1,
6055   EL_DF_SLOPE_2,
6056   EL_DF_SLOPE_3,
6057   EL_DF_SLOPE_4
6058 };
6059 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
6060 static int *editor_el_deflektor_ptr = editor_el_deflektor;
6061 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
6062 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
6063
6064 static int editor_hl_chars[] =
6065 {
6066   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
6067   EL_CHAR('T'),
6068   EL_CHAR('X'),
6069   EL_CHAR('T'),
6070 };
6071
6072 static int editor_el_chars[] =
6073 {
6074   EL_CHAR(' '),
6075   EL_CHAR('!'),
6076   EL_CHAR('"'),
6077   EL_CHAR('#'),
6078
6079   EL_CHAR('$'),
6080   EL_CHAR('%'),
6081   EL_CHAR('&'),
6082   EL_CHAR('\''),
6083
6084   EL_CHAR('('),
6085   EL_CHAR(')'),
6086   EL_CHAR('*'),
6087   EL_CHAR('+'),
6088
6089   EL_CHAR(','),
6090   EL_CHAR('-'),
6091   EL_CHAR('.'),
6092   EL_CHAR('/'),
6093
6094   EL_CHAR('0'),
6095   EL_CHAR('1'),
6096   EL_CHAR('2'),
6097   EL_CHAR('3'),
6098
6099   EL_CHAR('4'),
6100   EL_CHAR('5'),
6101   EL_CHAR('6'),
6102   EL_CHAR('7'),
6103
6104   EL_CHAR('8'),
6105   EL_CHAR('9'),
6106   EL_CHAR(':'),
6107   EL_CHAR(';'),
6108
6109   EL_CHAR('<'),
6110   EL_CHAR('='),
6111   EL_CHAR('>'),
6112   EL_CHAR('?'),
6113
6114   EL_CHAR('@'),
6115   EL_CHAR('A'),
6116   EL_CHAR('B'),
6117   EL_CHAR('C'),
6118
6119   EL_CHAR('D'),
6120   EL_CHAR('E'),
6121   EL_CHAR('F'),
6122   EL_CHAR('G'),
6123
6124   EL_CHAR('H'),
6125   EL_CHAR('I'),
6126   EL_CHAR('J'),
6127   EL_CHAR('K'),
6128
6129   EL_CHAR('L'),
6130   EL_CHAR('M'),
6131   EL_CHAR('N'),
6132   EL_CHAR('O'),
6133
6134   EL_CHAR('P'),
6135   EL_CHAR('Q'),
6136   EL_CHAR('R'),
6137   EL_CHAR('S'),
6138
6139   EL_CHAR('T'),
6140   EL_CHAR('U'),
6141   EL_CHAR('V'),
6142   EL_CHAR('W'),
6143
6144   EL_CHAR('X'),
6145   EL_CHAR('Y'),
6146   EL_CHAR('Z'),
6147   EL_CHAR('['),
6148
6149   EL_CHAR('\\'),
6150   EL_CHAR(']'),
6151   EL_CHAR('^'),
6152   EL_CHAR('_'),
6153
6154   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6155   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6156   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6157   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6158
6159   EL_CHAR(CHAR_BYTE_DEGREE),
6160   EL_CHAR(CHAR_BYTE_REGISTERED),
6161   EL_CHAR(FONT_ASCII_CURSOR),
6162   EL_CHAR(FONT_ASCII_BUTTON),
6163
6164   EL_CHAR(FONT_ASCII_UP),
6165   EL_CHAR(FONT_ASCII_DOWN),
6166   EL_CHAR(' '),
6167   EL_CHAR(' ')
6168 };
6169 static int *editor_hl_chars_ptr = editor_hl_chars;
6170 static int *editor_el_chars_ptr = editor_el_chars;
6171 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6172 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6173
6174 static int editor_hl_steel_chars[] =
6175 {
6176   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6177   EL_STEEL_CHAR('T'),
6178   EL_STEEL_CHAR('X'),
6179   EL_STEEL_CHAR('T'),
6180 };
6181
6182 static int editor_el_steel_chars[] =
6183 {
6184   EL_STEEL_CHAR(' '),
6185   EL_STEEL_CHAR('!'),
6186   EL_STEEL_CHAR('"'),
6187   EL_STEEL_CHAR('#'),
6188
6189   EL_STEEL_CHAR('$'),
6190   EL_STEEL_CHAR('%'),
6191   EL_STEEL_CHAR('&'),
6192   EL_STEEL_CHAR('\''),
6193
6194   EL_STEEL_CHAR('('),
6195   EL_STEEL_CHAR(')'),
6196   EL_STEEL_CHAR('*'),
6197   EL_STEEL_CHAR('+'),
6198
6199   EL_STEEL_CHAR(','),
6200   EL_STEEL_CHAR('-'),
6201   EL_STEEL_CHAR('.'),
6202   EL_STEEL_CHAR('/'),
6203
6204   EL_STEEL_CHAR('0'),
6205   EL_STEEL_CHAR('1'),
6206   EL_STEEL_CHAR('2'),
6207   EL_STEEL_CHAR('3'),
6208
6209   EL_STEEL_CHAR('4'),
6210   EL_STEEL_CHAR('5'),
6211   EL_STEEL_CHAR('6'),
6212   EL_STEEL_CHAR('7'),
6213
6214   EL_STEEL_CHAR('8'),
6215   EL_STEEL_CHAR('9'),
6216   EL_STEEL_CHAR(':'),
6217   EL_STEEL_CHAR(';'),
6218
6219   EL_STEEL_CHAR('<'),
6220   EL_STEEL_CHAR('='),
6221   EL_STEEL_CHAR('>'),
6222   EL_STEEL_CHAR('?'),
6223
6224   EL_STEEL_CHAR('@'),
6225   EL_STEEL_CHAR('A'),
6226   EL_STEEL_CHAR('B'),
6227   EL_STEEL_CHAR('C'),
6228
6229   EL_STEEL_CHAR('D'),
6230   EL_STEEL_CHAR('E'),
6231   EL_STEEL_CHAR('F'),
6232   EL_STEEL_CHAR('G'),
6233
6234   EL_STEEL_CHAR('H'),
6235   EL_STEEL_CHAR('I'),
6236   EL_STEEL_CHAR('J'),
6237   EL_STEEL_CHAR('K'),
6238
6239   EL_STEEL_CHAR('L'),
6240   EL_STEEL_CHAR('M'),
6241   EL_STEEL_CHAR('N'),
6242   EL_STEEL_CHAR('O'),
6243
6244   EL_STEEL_CHAR('P'),
6245   EL_STEEL_CHAR('Q'),
6246   EL_STEEL_CHAR('R'),
6247   EL_STEEL_CHAR('S'),
6248
6249   EL_STEEL_CHAR('T'),
6250   EL_STEEL_CHAR('U'),
6251   EL_STEEL_CHAR('V'),
6252   EL_STEEL_CHAR('W'),
6253
6254   EL_STEEL_CHAR('X'),
6255   EL_STEEL_CHAR('Y'),
6256   EL_STEEL_CHAR('Z'),
6257   EL_STEEL_CHAR('['),
6258
6259   EL_STEEL_CHAR('\\'),
6260   EL_STEEL_CHAR(']'),
6261   EL_STEEL_CHAR('^'),
6262   EL_STEEL_CHAR('_'),
6263
6264   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6265   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6266   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6267   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6268
6269   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6270   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6271   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6272   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6273
6274   EL_STEEL_CHAR(FONT_ASCII_UP),
6275   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6276   EL_STEEL_CHAR(' '),
6277   EL_STEEL_CHAR(' ')
6278 };
6279 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6280 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6281 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6282 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6283
6284 static int editor_hl_custom[] =
6285 {
6286   EL_INTERNAL_CASCADE_CE_ACTIVE,
6287   EL_CHAR('C'),
6288   EL_CHAR('E'),
6289   EL_EMPTY,
6290 };
6291
6292 static int editor_el_custom[] =
6293 {
6294   EL_CUSTOM_START + 0,
6295   EL_CUSTOM_START + 1,
6296   EL_CUSTOM_START + 2,
6297   EL_CUSTOM_START + 3,
6298
6299   EL_CUSTOM_START + 4,
6300   EL_CUSTOM_START + 5,
6301   EL_CUSTOM_START + 6,
6302   EL_CUSTOM_START + 7,
6303
6304   EL_CUSTOM_START + 8,
6305   EL_CUSTOM_START + 9,
6306   EL_CUSTOM_START + 10,
6307   EL_CUSTOM_START + 11,
6308
6309   EL_CUSTOM_START + 12,
6310   EL_CUSTOM_START + 13,
6311   EL_CUSTOM_START + 14,
6312   EL_CUSTOM_START + 15,
6313
6314   EL_CUSTOM_START + 16,
6315   EL_CUSTOM_START + 17,
6316   EL_CUSTOM_START + 18,
6317   EL_CUSTOM_START + 19,
6318
6319   EL_CUSTOM_START + 20,
6320   EL_CUSTOM_START + 21,
6321   EL_CUSTOM_START + 22,
6322   EL_CUSTOM_START + 23,
6323
6324   EL_CUSTOM_START + 24,
6325   EL_CUSTOM_START + 25,
6326   EL_CUSTOM_START + 26,
6327   EL_CUSTOM_START + 27,
6328
6329   EL_CUSTOM_START + 28,
6330   EL_CUSTOM_START + 29,
6331   EL_CUSTOM_START + 30,
6332   EL_CUSTOM_START + 31,
6333
6334   EL_CUSTOM_START + 32,
6335   EL_CUSTOM_START + 33,
6336   EL_CUSTOM_START + 34,
6337   EL_CUSTOM_START + 35,
6338
6339   EL_CUSTOM_START + 36,
6340   EL_CUSTOM_START + 37,
6341   EL_CUSTOM_START + 38,
6342   EL_CUSTOM_START + 39,
6343
6344   EL_CUSTOM_START + 40,
6345   EL_CUSTOM_START + 41,
6346   EL_CUSTOM_START + 42,
6347   EL_CUSTOM_START + 43,
6348
6349   EL_CUSTOM_START + 44,
6350   EL_CUSTOM_START + 45,
6351   EL_CUSTOM_START + 46,
6352   EL_CUSTOM_START + 47,
6353
6354   EL_CUSTOM_START + 48,
6355   EL_CUSTOM_START + 49,
6356   EL_CUSTOM_START + 50,
6357   EL_CUSTOM_START + 51,
6358
6359   EL_CUSTOM_START + 52,
6360   EL_CUSTOM_START + 53,
6361   EL_CUSTOM_START + 54,
6362   EL_CUSTOM_START + 55,
6363
6364   EL_CUSTOM_START + 56,
6365   EL_CUSTOM_START + 57,
6366   EL_CUSTOM_START + 58,
6367   EL_CUSTOM_START + 59,
6368
6369   EL_CUSTOM_START + 60,
6370   EL_CUSTOM_START + 61,
6371   EL_CUSTOM_START + 62,
6372   EL_CUSTOM_START + 63,
6373
6374   EL_CUSTOM_START + 64,
6375   EL_CUSTOM_START + 65,
6376   EL_CUSTOM_START + 66,
6377   EL_CUSTOM_START + 67,
6378
6379   EL_CUSTOM_START + 68,
6380   EL_CUSTOM_START + 69,
6381   EL_CUSTOM_START + 70,
6382   EL_CUSTOM_START + 71,
6383
6384   EL_CUSTOM_START + 72,
6385   EL_CUSTOM_START + 73,
6386   EL_CUSTOM_START + 74,
6387   EL_CUSTOM_START + 75,
6388
6389   EL_CUSTOM_START + 76,
6390   EL_CUSTOM_START + 77,
6391   EL_CUSTOM_START + 78,
6392   EL_CUSTOM_START + 79,
6393
6394   EL_CUSTOM_START + 80,
6395   EL_CUSTOM_START + 81,
6396   EL_CUSTOM_START + 82,
6397   EL_CUSTOM_START + 83,
6398
6399   EL_CUSTOM_START + 84,
6400   EL_CUSTOM_START + 85,
6401   EL_CUSTOM_START + 86,
6402   EL_CUSTOM_START + 87,
6403
6404   EL_CUSTOM_START + 88,
6405   EL_CUSTOM_START + 89,
6406   EL_CUSTOM_START + 90,
6407   EL_CUSTOM_START + 91,
6408
6409   EL_CUSTOM_START + 92,
6410   EL_CUSTOM_START + 93,
6411   EL_CUSTOM_START + 94,
6412   EL_CUSTOM_START + 95,
6413
6414   EL_CUSTOM_START + 96,
6415   EL_CUSTOM_START + 97,
6416   EL_CUSTOM_START + 98,
6417   EL_CUSTOM_START + 99,
6418
6419   EL_CUSTOM_START + 100,
6420   EL_CUSTOM_START + 101,
6421   EL_CUSTOM_START + 102,
6422   EL_CUSTOM_START + 103,
6423
6424   EL_CUSTOM_START + 104,
6425   EL_CUSTOM_START + 105,
6426   EL_CUSTOM_START + 106,
6427   EL_CUSTOM_START + 107,
6428
6429   EL_CUSTOM_START + 108,
6430   EL_CUSTOM_START + 109,
6431   EL_CUSTOM_START + 110,
6432   EL_CUSTOM_START + 111,
6433
6434   EL_CUSTOM_START + 112,
6435   EL_CUSTOM_START + 113,
6436   EL_CUSTOM_START + 114,
6437   EL_CUSTOM_START + 115,
6438
6439   EL_CUSTOM_START + 116,
6440   EL_CUSTOM_START + 117,
6441   EL_CUSTOM_START + 118,
6442   EL_CUSTOM_START + 119,
6443
6444   EL_CUSTOM_START + 120,
6445   EL_CUSTOM_START + 121,
6446   EL_CUSTOM_START + 122,
6447   EL_CUSTOM_START + 123,
6448
6449   EL_CUSTOM_START + 124,
6450   EL_CUSTOM_START + 125,
6451   EL_CUSTOM_START + 126,
6452   EL_CUSTOM_START + 127,
6453
6454   EL_CUSTOM_START + 128,
6455   EL_CUSTOM_START + 129,
6456   EL_CUSTOM_START + 130,
6457   EL_CUSTOM_START + 131,
6458
6459   EL_CUSTOM_START + 132,
6460   EL_CUSTOM_START + 133,
6461   EL_CUSTOM_START + 134,
6462   EL_CUSTOM_START + 135,
6463
6464   EL_CUSTOM_START + 136,
6465   EL_CUSTOM_START + 137,
6466   EL_CUSTOM_START + 138,
6467   EL_CUSTOM_START + 139,
6468
6469   EL_CUSTOM_START + 140,
6470   EL_CUSTOM_START + 141,
6471   EL_CUSTOM_START + 142,
6472   EL_CUSTOM_START + 143,
6473
6474   EL_CUSTOM_START + 144,
6475   EL_CUSTOM_START + 145,
6476   EL_CUSTOM_START + 146,
6477   EL_CUSTOM_START + 147,
6478
6479   EL_CUSTOM_START + 148,
6480   EL_CUSTOM_START + 149,
6481   EL_CUSTOM_START + 150,
6482   EL_CUSTOM_START + 151,
6483
6484   EL_CUSTOM_START + 152,
6485   EL_CUSTOM_START + 153,
6486   EL_CUSTOM_START + 154,
6487   EL_CUSTOM_START + 155,
6488
6489   EL_CUSTOM_START + 156,
6490   EL_CUSTOM_START + 157,
6491   EL_CUSTOM_START + 158,
6492   EL_CUSTOM_START + 159,
6493
6494   EL_CUSTOM_START + 160,
6495   EL_CUSTOM_START + 161,
6496   EL_CUSTOM_START + 162,
6497   EL_CUSTOM_START + 163,
6498
6499   EL_CUSTOM_START + 164,
6500   EL_CUSTOM_START + 165,
6501   EL_CUSTOM_START + 166,
6502   EL_CUSTOM_START + 167,
6503
6504   EL_CUSTOM_START + 168,
6505   EL_CUSTOM_START + 169,
6506   EL_CUSTOM_START + 170,
6507   EL_CUSTOM_START + 171,
6508
6509   EL_CUSTOM_START + 172,
6510   EL_CUSTOM_START + 173,
6511   EL_CUSTOM_START + 174,
6512   EL_CUSTOM_START + 175,
6513
6514   EL_CUSTOM_START + 176,
6515   EL_CUSTOM_START + 177,
6516   EL_CUSTOM_START + 178,
6517   EL_CUSTOM_START + 179,
6518
6519   EL_CUSTOM_START + 180,
6520   EL_CUSTOM_START + 181,
6521   EL_CUSTOM_START + 182,
6522   EL_CUSTOM_START + 183,
6523
6524   EL_CUSTOM_START + 184,
6525   EL_CUSTOM_START + 185,
6526   EL_CUSTOM_START + 186,
6527   EL_CUSTOM_START + 187,
6528
6529   EL_CUSTOM_START + 188,
6530   EL_CUSTOM_START + 189,
6531   EL_CUSTOM_START + 190,
6532   EL_CUSTOM_START + 191,
6533
6534   EL_CUSTOM_START + 192,
6535   EL_CUSTOM_START + 193,
6536   EL_CUSTOM_START + 194,
6537   EL_CUSTOM_START + 195,
6538
6539   EL_CUSTOM_START + 196,
6540   EL_CUSTOM_START + 197,
6541   EL_CUSTOM_START + 198,
6542   EL_CUSTOM_START + 199,
6543
6544   EL_CUSTOM_START + 200,
6545   EL_CUSTOM_START + 201,
6546   EL_CUSTOM_START + 202,
6547   EL_CUSTOM_START + 203,
6548
6549   EL_CUSTOM_START + 204,
6550   EL_CUSTOM_START + 205,
6551   EL_CUSTOM_START + 206,
6552   EL_CUSTOM_START + 207,
6553
6554   EL_CUSTOM_START + 208,
6555   EL_CUSTOM_START + 209,
6556   EL_CUSTOM_START + 210,
6557   EL_CUSTOM_START + 211,
6558
6559   EL_CUSTOM_START + 212,
6560   EL_CUSTOM_START + 213,
6561   EL_CUSTOM_START + 214,
6562   EL_CUSTOM_START + 215,
6563
6564   EL_CUSTOM_START + 216,
6565   EL_CUSTOM_START + 217,
6566   EL_CUSTOM_START + 218,
6567   EL_CUSTOM_START + 219,
6568
6569   EL_CUSTOM_START + 220,
6570   EL_CUSTOM_START + 221,
6571   EL_CUSTOM_START + 222,
6572   EL_CUSTOM_START + 223,
6573
6574   EL_CUSTOM_START + 224,
6575   EL_CUSTOM_START + 225,
6576   EL_CUSTOM_START + 226,
6577   EL_CUSTOM_START + 227,
6578
6579   EL_CUSTOM_START + 228,
6580   EL_CUSTOM_START + 229,
6581   EL_CUSTOM_START + 230,
6582   EL_CUSTOM_START + 231,
6583
6584   EL_CUSTOM_START + 232,
6585   EL_CUSTOM_START + 233,
6586   EL_CUSTOM_START + 234,
6587   EL_CUSTOM_START + 235,
6588
6589   EL_CUSTOM_START + 236,
6590   EL_CUSTOM_START + 237,
6591   EL_CUSTOM_START + 238,
6592   EL_CUSTOM_START + 239,
6593
6594   EL_CUSTOM_START + 240,
6595   EL_CUSTOM_START + 241,
6596   EL_CUSTOM_START + 242,
6597   EL_CUSTOM_START + 243,
6598
6599   EL_CUSTOM_START + 244,
6600   EL_CUSTOM_START + 245,
6601   EL_CUSTOM_START + 246,
6602   EL_CUSTOM_START + 247,
6603
6604   EL_CUSTOM_START + 248,
6605   EL_CUSTOM_START + 249,
6606   EL_CUSTOM_START + 250,
6607   EL_CUSTOM_START + 251,
6608
6609   EL_CUSTOM_START + 252,
6610   EL_CUSTOM_START + 253,
6611   EL_CUSTOM_START + 254,
6612   EL_CUSTOM_START + 255
6613 };
6614 static int *editor_hl_custom_ptr = editor_hl_custom;
6615 static int *editor_el_custom_ptr = editor_el_custom;
6616 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6617 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6618
6619 static int editor_hl_group[] =
6620 {
6621   EL_INTERNAL_CASCADE_GE_ACTIVE,
6622   EL_CHAR('G'),
6623   EL_CHAR('E'),
6624   EL_EMPTY,
6625 };
6626
6627 static int editor_el_group[] =
6628 {
6629   EL_GROUP_START + 0,
6630   EL_GROUP_START + 1,
6631   EL_GROUP_START + 2,
6632   EL_GROUP_START + 3,
6633
6634   EL_GROUP_START + 4,
6635   EL_GROUP_START + 5,
6636   EL_GROUP_START + 6,
6637   EL_GROUP_START + 7,
6638
6639   EL_GROUP_START + 8,
6640   EL_GROUP_START + 9,
6641   EL_GROUP_START + 10,
6642   EL_GROUP_START + 11,
6643
6644   EL_GROUP_START + 12,
6645   EL_GROUP_START + 13,
6646   EL_GROUP_START + 14,
6647   EL_GROUP_START + 15,
6648
6649   EL_GROUP_START + 16,
6650   EL_GROUP_START + 17,
6651   EL_GROUP_START + 18,
6652   EL_GROUP_START + 19,
6653
6654   EL_GROUP_START + 20,
6655   EL_GROUP_START + 21,
6656   EL_GROUP_START + 22,
6657   EL_GROUP_START + 23,
6658
6659   EL_GROUP_START + 24,
6660   EL_GROUP_START + 25,
6661   EL_GROUP_START + 26,
6662   EL_GROUP_START + 27,
6663
6664   EL_GROUP_START + 28,
6665   EL_GROUP_START + 29,
6666   EL_GROUP_START + 30,
6667   EL_GROUP_START + 31
6668 };
6669 static int *editor_hl_group_ptr = editor_hl_group;
6670 static int *editor_el_group_ptr = editor_el_group;
6671 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6672 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6673
6674 static int editor_hl_empty_space[] =
6675 {
6676   EL_INTERNAL_CASCADE_ES_ACTIVE,
6677   EL_CHAR('E'),
6678   EL_CHAR('S'),
6679   EL_EMPTY,
6680 };
6681
6682 static int editor_el_empty_space[] =
6683 {
6684   EL_EMPTY_SPACE_1,
6685   EL_EMPTY_SPACE_2,
6686   EL_EMPTY_SPACE_3,
6687   EL_EMPTY_SPACE_4,
6688
6689   EL_EMPTY_SPACE_5,
6690   EL_EMPTY_SPACE_6,
6691   EL_EMPTY_SPACE_7,
6692   EL_EMPTY_SPACE_8,
6693
6694   EL_EMPTY_SPACE_9,
6695   EL_EMPTY_SPACE_10,
6696   EL_EMPTY_SPACE_11,
6697   EL_EMPTY_SPACE_12,
6698
6699   EL_EMPTY_SPACE_13,
6700   EL_EMPTY_SPACE_14,
6701   EL_EMPTY_SPACE_15,
6702   EL_EMPTY_SPACE_16
6703 };
6704 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6705 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6706 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6707 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6708
6709 static int editor_hl_reference[] =
6710 {
6711   EL_INTERNAL_CASCADE_REF_ACTIVE,
6712   EL_CHAR('R'),
6713   EL_CHAR('E'),
6714   EL_CHAR('F')
6715 };
6716
6717 static int editor_el_reference[] =
6718 {
6719   EL_TRIGGER_PLAYER,
6720   EL_TRIGGER_ELEMENT,
6721   EL_TRIGGER_CE_VALUE,
6722   EL_TRIGGER_CE_SCORE,
6723
6724   EL_SELF,
6725   EL_ANY_ELEMENT,
6726   EL_CURRENT_CE_VALUE,
6727   EL_CURRENT_CE_SCORE,
6728
6729   EL_PREV_CE_8,
6730   EL_PREV_CE_7,
6731   EL_PREV_CE_6,
6732   EL_PREV_CE_5,
6733
6734   EL_PREV_CE_4,
6735   EL_PREV_CE_3,
6736   EL_PREV_CE_2,
6737   EL_PREV_CE_1,
6738
6739   EL_NEXT_CE_1,
6740   EL_NEXT_CE_2,
6741   EL_NEXT_CE_3,
6742   EL_NEXT_CE_4,
6743
6744   EL_NEXT_CE_5,
6745   EL_NEXT_CE_6,
6746   EL_NEXT_CE_7,
6747   EL_NEXT_CE_8,
6748 };
6749 static int *editor_hl_reference_ptr = editor_hl_reference;
6750 static int *editor_el_reference_ptr = editor_el_reference;
6751 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6752 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6753
6754 static int editor_hl_user_defined[] =
6755 {
6756   EL_INTERNAL_CASCADE_USER_ACTIVE,
6757   EL_CHAR('M'),
6758   EL_CHAR('Y'),
6759   EL_EMPTY,
6760 };
6761
6762 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6763 static int *editor_el_user_defined_ptr = NULL;
6764 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6765 static int num_editor_el_user_defined = 0;
6766
6767 static int editor_hl_dynamic[] =
6768 {
6769   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6770   EL_CHAR('U'),
6771   EL_CHAR('S'),
6772   EL_CHAR('E'),
6773 };
6774
6775 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6776 static int *editor_el_dynamic_ptr = NULL;
6777 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6778 static int num_editor_el_dynamic = 0;
6779
6780 static int editor_hl_empty[] = { EL_EMPTY };
6781 static int *editor_el_empty = NULL;     // dynamically allocated
6782
6783 static int *editor_hl_empty_ptr = editor_hl_empty;
6784 static int *editor_el_empty_ptr = NULL;
6785 static int num_editor_hl_empty = 0;
6786 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6787
6788 static boolean use_el_empty = FALSE;
6789
6790 static int *editor_elements = NULL;     // dynamically allocated
6791 static int num_editor_elements = 0;     // dynamically determined
6792
6793 static boolean setup_editor_cascade_never = FALSE;
6794
6795 static boolean setup_editor_el_players                  = TRUE;
6796 static boolean setup_editor_el_boulderdash              = TRUE;
6797 static boolean setup_editor_el_boulderdash_native       = TRUE;
6798 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6799 static boolean setup_editor_el_emerald_mine             = TRUE;
6800 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6801 static boolean setup_editor_el_more                     = TRUE;
6802 static boolean setup_editor_el_sokoban                  = TRUE;
6803 static boolean setup_editor_el_supaplex                 = TRUE;
6804 static boolean setup_editor_el_diamond_caves            = TRUE;
6805 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6806 static boolean setup_editor_el_mirror_magic             = TRUE;
6807 static boolean setup_editor_el_deflektor                = TRUE;
6808 static boolean setup_editor_el_chars                    = TRUE;
6809 static boolean setup_editor_el_steel_chars              = TRUE;
6810 static boolean setup_editor_el_custom                   = TRUE;
6811 static boolean setup_editor_el_user_defined             = TRUE;
6812 static boolean setup_editor_el_dynamic                  = TRUE;
6813
6814 static int editor_hl_unused[] = { EL_EMPTY };
6815 static int *editor_hl_unused_ptr = editor_hl_unused;
6816 static int num_editor_hl_unused = 0;
6817
6818 static struct
6819 {
6820   boolean *setup_value;
6821   boolean *setup_cascade_value;
6822
6823   int **headline_list;
6824   int *headline_list_size;
6825
6826   int **element_list;
6827   int *element_list_size;
6828
6829   boolean last_setup_value;
6830 }
6831 editor_elements_info[] =
6832 {
6833   {
6834     &setup_editor_el_players,
6835     &setup_editor_cascade_never,
6836     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6837     &editor_el_players_ptr,             &num_editor_el_players
6838   },
6839   {
6840     &setup_editor_el_boulderdash,
6841     &setup.editor_cascade.el_bd,
6842     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6843     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6844   },
6845   {
6846     &setup_editor_el_boulderdash_native,
6847     &setup.editor_cascade.el_bd_native,
6848     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6849     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6850   },
6851   {
6852     &setup_editor_el_boulderdash_effects,
6853     &setup.editor_cascade.el_bd_effects,
6854     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6855     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6856   },
6857   {
6858     &setup_editor_el_emerald_mine,
6859     &setup.editor_cascade.el_em,
6860     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6861     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6862   },
6863   {
6864     &setup_editor_el_emerald_mine_club,
6865     &setup.editor_cascade.el_emc,
6866     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6867     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6868   },
6869   {
6870     &setup_editor_el_more,
6871     &setup.editor_cascade.el_rnd,
6872     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6873     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6874   },
6875   {
6876     &setup_editor_el_sokoban,
6877     &setup.editor_cascade.el_sb,
6878     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6879     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6880   },
6881   {
6882     &setup_editor_el_supaplex,
6883     &setup.editor_cascade.el_sp,
6884     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6885     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6886   },
6887   {
6888     &setup_editor_el_diamond_caves,
6889     &setup.editor_cascade.el_dc,
6890     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6891     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6892   },
6893   {
6894     &setup_editor_el_dx_boulderdash,
6895     &setup.editor_cascade.el_dx,
6896     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6897     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6898   },
6899   {
6900     &setup_editor_el_mirror_magic,
6901     &setup.editor_cascade.el_mm,
6902     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6903     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6904   },
6905   {
6906     &setup_editor_el_deflektor,
6907     &setup.editor_cascade.el_df,
6908     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6909     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6910   },
6911   {
6912     &setup_editor_el_chars,
6913     &setup.editor_cascade.el_chars,
6914     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6915     &editor_el_chars_ptr,               &num_editor_el_chars
6916   },
6917   {
6918     &setup_editor_el_steel_chars,
6919     &setup.editor_cascade.el_steel_chars,
6920     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6921     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6922   },
6923   {
6924     &setup_editor_el_custom,
6925     &setup.editor_cascade.el_ce,
6926     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6927     &editor_el_custom_ptr,              &num_editor_el_custom
6928   },
6929   {
6930     &setup_editor_el_custom,
6931     &setup.editor_cascade.el_ge,
6932     &editor_hl_group_ptr,               &num_editor_hl_group,
6933     &editor_el_group_ptr,               &num_editor_el_group
6934   },
6935   {
6936     &setup_editor_el_custom,
6937     &setup.editor_cascade.el_es,
6938     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6939     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6940   },
6941   {
6942     &setup_editor_el_custom,
6943     &setup.editor_cascade.el_ref,
6944     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6945     &editor_el_reference_ptr,           &num_editor_el_reference
6946   },
6947   {
6948     &setup_editor_el_user_defined,
6949     &setup.editor_cascade.el_user,
6950     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6951     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6952   },
6953   {
6954     &setup_editor_el_dynamic,
6955     &setup.editor_cascade.el_dynamic,
6956     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6957     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6958   },
6959   {
6960     &use_el_empty,
6961     &use_el_empty,
6962     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6963     &editor_el_empty_ptr,               &num_editor_el_empty,
6964   },
6965   {
6966     NULL,
6967     NULL,
6968     NULL,                               NULL,
6969     NULL,                               NULL
6970   }
6971 };
6972
6973 static struct XY xy_directions[] =
6974 {
6975   { -1,  0 },
6976   { +1,  0 },
6977   {  0, -1 },
6978   {  0, +1 }
6979 };
6980
6981
6982 // ----------------------------------------------------------------------------
6983 // functions
6984 // ----------------------------------------------------------------------------
6985
6986 static int getMaxInfoTextLength(void)
6987 {
6988   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6989 }
6990
6991 static int getTextWidthForGadget(char *text)
6992 {
6993   if (text == NULL)
6994     return 0;
6995
6996   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6997 }
6998
6999 static int getTextWidthForDrawingArea(char *text)
7000 {
7001   if (text == NULL)
7002     return 0;
7003
7004   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
7005 }
7006
7007 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
7008 {
7009   return (gi->x + gi->width + getTextWidthForGadget(text));
7010 }
7011
7012 static char *getElementInfoText(int element)
7013 {
7014   char *info_text = NULL;
7015
7016   if (element < MAX_NUM_ELEMENTS)
7017   {
7018     if (strlen(element_info[element].description) > 0)
7019       info_text = element_info[element].description;
7020     else if (element_info[element].custom_description != NULL)
7021       info_text = element_info[element].custom_description;
7022     else if (element_info[element].editor_description != NULL)
7023       info_text = element_info[element].editor_description;
7024   }
7025
7026   if (info_text == NULL)
7027     info_text = INFOTEXT_UNKNOWN_ELEMENT;
7028
7029   return info_text;
7030 }
7031
7032 static char *getElementDescriptionFilenameExt(char *basename)
7033 {
7034   char *elements_subdir = ELEMENTS_DIRECTORY;
7035   static char *elements_subdir2 = NULL;
7036   static char *filename = NULL;
7037
7038   if (elements_subdir2 == NULL)
7039     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
7040
7041   checked_free(filename);
7042
7043   // 1st try: look for element description in current level set directory
7044   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
7045   if (fileExists(filename))
7046     return filename;
7047
7048   free(filename);
7049
7050   // 2nd try: look for element description in the game's base directory
7051   filename = getPath3(options.docs_directory, elements_subdir, basename);
7052   if (fileExists(filename))
7053     return filename;
7054
7055   return NULL;
7056 }
7057
7058 static char *getElementDescriptionFilename(int element)
7059 {
7060   char basename[MAX_FILENAME_LEN];
7061   char *filename;
7062
7063   // 1st try: look for element description file for exactly this element
7064   sprintf(basename, "%s.txt", element_info[element].token_name);
7065   filename = getElementDescriptionFilenameExt(basename);
7066   if (filename != NULL)
7067     return filename;
7068
7069   // 2nd try: look for element description file for this element's class
7070   sprintf(basename, "%s.txt", element_info[element].class_name);
7071   filename = getElementDescriptionFilenameExt(basename);
7072   if (filename != NULL)
7073     return filename;
7074
7075   // 3rd try: look for generic fallback text file for any element
7076   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
7077   if (filename != NULL)
7078     return filename;
7079
7080   return NULL;
7081 }
7082
7083 static boolean suppressBorderElement(void)
7084 {
7085   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
7086           lev_fieldx <= MAX_ED_FIELDX &&
7087           lev_fieldy <= MAX_ED_FIELDY);
7088 }
7089
7090 static void InitDynamicEditorElementList(int **elements, int *num_elements)
7091 {
7092   boolean element_found[NUM_FILE_ELEMENTS];
7093   int i, x, y;
7094
7095   // initialize list of used elements to "not used"
7096   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7097     element_found[i] = FALSE;
7098
7099   // find all elements used in current level
7100   for (y = 0; y < lev_fieldy; y++)
7101   {
7102     for (x = 0; x < lev_fieldx; x++)
7103     {
7104       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7105         continue;
7106
7107       if (IS_MM_WALL(Tile[x][y]))
7108         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7109       else
7110         element_found[Tile[x][y]] = TRUE;
7111     }
7112   }
7113
7114   *num_elements = 0;
7115
7116   // count number of elements used in current level
7117   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7118     if (element_found[i])
7119       (*num_elements)++;
7120
7121   // add space for up to 3 more elements for padding that may be needed
7122   *num_elements += 3;
7123
7124   // free memory for old list of elements, if needed
7125   checked_free(*elements);
7126
7127   // allocate memory for new list of elements
7128   *elements = checked_malloc(*num_elements * sizeof(int));
7129
7130   *num_elements = 0;
7131
7132   // add all elements used in current level (non-custom/group/empty elements)
7133   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7134     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7135                               IS_GROUP_ELEMENT(i) ||
7136                               IS_EMPTY_ELEMENT(i)))
7137       (*elements)[(*num_elements)++] = i;
7138
7139   // add all elements used in current level (custom/group/empty elements)
7140   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7141     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7142                              IS_GROUP_ELEMENT(i) ||
7143                              IS_EMPTY_ELEMENT(i)))
7144       (*elements)[(*num_elements)++] = i;
7145
7146   while (*num_elements % 4)     // pad with empty elements, if needed
7147     (*elements)[(*num_elements)++] = EL_EMPTY;
7148 }
7149
7150 static void ReinitializeElementList_EnableSections(void)
7151 {
7152   // default: enable all element sections
7153
7154   setup_editor_el_players               = TRUE;
7155   setup_editor_el_boulderdash           = TRUE;
7156   setup_editor_el_boulderdash_native    = TRUE;
7157   setup_editor_el_boulderdash_effects   = TRUE;
7158   setup_editor_el_emerald_mine          = TRUE;
7159   setup_editor_el_emerald_mine_club     = TRUE;
7160   setup_editor_el_more                  = TRUE;
7161   setup_editor_el_sokoban               = TRUE;
7162   setup_editor_el_supaplex              = TRUE;
7163   setup_editor_el_diamond_caves         = TRUE;
7164   setup_editor_el_dx_boulderdash        = TRUE;
7165   setup_editor_el_mirror_magic          = TRUE;
7166   setup_editor_el_deflektor             = TRUE;
7167   setup_editor_el_chars                 = TRUE;
7168   setup_editor_el_steel_chars           = TRUE;
7169
7170   setup_editor_el_custom                = TRUE;
7171   setup_editor_el_user_defined          = TRUE;
7172   setup_editor_el_dynamic               = TRUE;
7173
7174   // now disable all element sections not to be displayed
7175
7176   if (!setup.editor.el_classic)
7177   {
7178     setup_editor_el_players             = FALSE;
7179     setup_editor_el_boulderdash         = FALSE;
7180     setup_editor_el_boulderdash_native  = FALSE;
7181     setup_editor_el_boulderdash_effects = FALSE;
7182     setup_editor_el_emerald_mine        = FALSE;
7183     setup_editor_el_emerald_mine_club   = FALSE;
7184     setup_editor_el_more                = FALSE;
7185     setup_editor_el_sokoban             = FALSE;
7186     setup_editor_el_supaplex            = FALSE;
7187     setup_editor_el_diamond_caves       = FALSE;
7188     setup_editor_el_dx_boulderdash      = FALSE;
7189     setup_editor_el_mirror_magic        = FALSE;
7190     setup_editor_el_deflektor           = FALSE;
7191     setup_editor_el_chars               = FALSE;
7192     setup_editor_el_steel_chars         = FALSE;
7193   }
7194
7195   if (!setup.editor.el_custom)
7196   {
7197     setup_editor_el_custom              = FALSE;
7198   }
7199
7200   if (!setup.editor.el_user_defined)
7201   {
7202     setup_editor_el_user_defined        = FALSE;
7203   }
7204
7205   if (!setup.editor.el_dynamic)
7206   {
7207     setup_editor_el_dynamic             = FALSE;
7208   }
7209
7210   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7211   {
7212     setup_editor_el_boulderdash_native  = FALSE;
7213     setup_editor_el_boulderdash_effects = FALSE;
7214     setup_editor_el_mirror_magic        = FALSE;
7215     setup_editor_el_deflektor           = FALSE;
7216   }
7217   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7218   {
7219     setup_editor_el_players             = FALSE;
7220     setup_editor_el_boulderdash         = FALSE;
7221     setup_editor_el_emerald_mine        = FALSE;
7222     setup_editor_el_emerald_mine_club   = FALSE;
7223     setup_editor_el_more                = FALSE;
7224     setup_editor_el_sokoban             = FALSE;
7225     setup_editor_el_supaplex            = FALSE;
7226     setup_editor_el_diamond_caves       = FALSE;
7227     setup_editor_el_dx_boulderdash      = FALSE;
7228     setup_editor_el_mirror_magic        = FALSE;
7229     setup_editor_el_deflektor           = FALSE;
7230     setup_editor_el_chars               = FALSE;
7231     setup_editor_el_steel_chars         = FALSE;
7232
7233     setup_editor_el_custom              = FALSE;
7234   }
7235   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7236   {
7237     setup_editor_el_boulderdash         = FALSE;
7238     setup_editor_el_boulderdash_native  = FALSE;
7239     setup_editor_el_boulderdash_effects = FALSE;
7240     setup_editor_el_more                = FALSE;
7241     setup_editor_el_sokoban             = FALSE;
7242     setup_editor_el_supaplex            = FALSE;
7243     setup_editor_el_diamond_caves       = FALSE;
7244     setup_editor_el_dx_boulderdash      = FALSE;
7245     setup_editor_el_mirror_magic        = FALSE;
7246     setup_editor_el_deflektor           = FALSE;
7247     setup_editor_el_steel_chars         = FALSE;
7248
7249     setup_editor_el_custom              = FALSE;
7250   }
7251   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7252   {
7253     setup_editor_el_players             = FALSE;
7254     setup_editor_el_boulderdash         = FALSE;
7255     setup_editor_el_boulderdash_native  = FALSE;
7256     setup_editor_el_boulderdash_effects = FALSE;
7257     setup_editor_el_emerald_mine        = FALSE;
7258     setup_editor_el_emerald_mine_club   = FALSE;
7259     setup_editor_el_more                = FALSE;
7260     setup_editor_el_sokoban             = FALSE;
7261     setup_editor_el_diamond_caves       = FALSE;
7262     setup_editor_el_dx_boulderdash      = FALSE;
7263     setup_editor_el_mirror_magic        = FALSE;
7264     setup_editor_el_deflektor           = FALSE;
7265     setup_editor_el_chars               = FALSE;
7266     setup_editor_el_steel_chars         = FALSE;
7267
7268     setup_editor_el_custom              = FALSE;
7269   }
7270   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7271   {
7272     setup_editor_el_players             = FALSE;
7273     setup_editor_el_boulderdash         = FALSE;
7274     setup_editor_el_boulderdash_native  = FALSE;
7275     setup_editor_el_boulderdash_effects = FALSE;
7276     setup_editor_el_emerald_mine        = FALSE;
7277     setup_editor_el_emerald_mine_club   = FALSE;
7278     setup_editor_el_more                = FALSE;
7279     setup_editor_el_sokoban             = FALSE;
7280     setup_editor_el_supaplex            = FALSE;
7281     setup_editor_el_diamond_caves       = FALSE;
7282     setup_editor_el_dx_boulderdash      = FALSE;
7283     setup_editor_el_steel_chars         = FALSE;
7284
7285     setup_editor_el_custom              = FALSE;
7286   }
7287 }
7288
7289 static void ReinitializeElementList(void)
7290 {
7291   static boolean initialization_needed = TRUE;
7292   int pos = 0;
7293   int i, j;
7294
7295   ReinitializeElementList_EnableSections();
7296
7297   if (initialization_needed)
7298   {
7299     LoadSetup_EditorCascade();          // load last editor cascade state
7300
7301     // initialize editor cascade element from saved cascade state
7302     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7303     {
7304       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7305       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7306
7307       if (IS_EDITOR_CASCADE(*cascade_element))
7308         *cascade_element =
7309           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7310            EL_CASCADE_INACTIVE(*cascade_element));
7311     }
7312
7313     initialization_needed = FALSE;
7314   }
7315
7316   checked_free(editor_elements);
7317
7318   // reload optional user defined element list for each invocation of editor
7319   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7320                                    &num_editor_el_user_defined);
7321
7322   // initialize dynamic level element list for each invocation of editor
7323   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7324                                &num_editor_el_dynamic);
7325
7326   // initialize list of empty elements (used for padding, if needed)
7327   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7328     editor_el_empty[i] = EL_EMPTY;
7329
7330   // do some sanity checks for each element from element list
7331   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7332   {
7333     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7334     {
7335       int element = (*editor_elements_info[i].element_list)[j];
7336
7337       if (element >= NUM_FILE_ELEMENTS)
7338         Warn("editor element %d is runtime element", element);
7339
7340       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7341         Warn("no element description text for element %d", element);
7342     }
7343   }
7344
7345   num_editor_elements = 0;
7346   use_el_empty = FALSE;
7347
7348   // determine size of element list
7349   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7350   {
7351     if (*editor_elements_info[i].setup_value)
7352     {
7353       boolean found_inactive_cascade = FALSE;
7354
7355       if (setup.editor.el_headlines)
7356       {
7357         // required for correct padding of palette headline buttons
7358         if (*editor_elements_info[i].headline_list_size > 0)
7359           num_editor_elements += ED_ELEMENTLIST_COLS;
7360
7361         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7362         {
7363           int element = (*editor_elements_info[i].headline_list)[j];
7364
7365           if (IS_EDITOR_CASCADE_INACTIVE(element))
7366             found_inactive_cascade = TRUE;
7367         }
7368       }
7369
7370       if (found_inactive_cascade)
7371         continue;
7372
7373       // required for correct padding of palette element buttons
7374       int element_list_size = *editor_elements_info[i].element_list_size;
7375       int element_rows =
7376         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7377       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7378
7379       num_editor_elements += element_buttons;
7380     }
7381   }
7382
7383   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7384   {
7385     // offer at least as many elements as element buttons exist
7386     use_el_empty = TRUE;
7387     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7388
7389     num_editor_elements += num_editor_el_empty;
7390   }
7391   else
7392   {
7393     num_editor_el_empty = 0;
7394   }
7395
7396   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7397
7398   // fill element list
7399   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7400   {
7401     boolean found_inactive_cascade = FALSE;
7402
7403     if (*editor_elements_info[i].setup_value)
7404     {
7405       if (setup.editor.el_headlines)
7406       {
7407         // required for correct padding of palette headline buttons
7408         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7409                              ED_ELEMENTLIST_COLS : 0);
7410
7411         for (j = 0; j < headline_size; j++)
7412         {
7413           // use empty elements for padding of palette headline buttons
7414           int element = (j < *editor_elements_info[i].headline_list_size ?
7415                          (*editor_elements_info[i].headline_list)[j] :
7416                          editor_el_empty[0]);
7417
7418           editor_elements[pos++] = element;
7419
7420           if (IS_EDITOR_CASCADE_INACTIVE(element))
7421             found_inactive_cascade = TRUE;
7422         }
7423       }
7424
7425       if (found_inactive_cascade)
7426         continue;
7427
7428       // required for correct padding of palette element buttons
7429       int element_list_size = *editor_elements_info[i].element_list_size;
7430       int element_rows =
7431         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7432       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7433
7434       // copy all elements from element list
7435       for (j = 0; j < element_list_size; j++)
7436         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7437
7438       // use empty elements for padding of palette element buttons
7439       for (j = 0; j < element_buttons - element_list_size; j++)
7440         editor_elements[pos++] = editor_el_empty[0];
7441     }
7442   }
7443
7444   // (this function is also called before editor gadgets are initialized!)
7445   AdjustElementListScrollbar();
7446 }
7447
7448 void PrintEditorElementList(void)
7449 {
7450   boolean *stop = &setup_editor_el_user_defined;
7451   int i, j;
7452
7453   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7454   {
7455     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7456
7457     if (IS_EDITOR_CASCADE(cascade_element))
7458     {
7459       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7460       char *headline = element_info[cascade_element_show].editor_description;
7461
7462       PrintLineWithPrefix("# ", "-", 77);
7463       Print("# %s\n", headline);
7464       PrintLineWithPrefix("# ", "-", 77);
7465     }
7466
7467     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7468     {
7469       int element = (*editor_elements_info[i].headline_list)[j];
7470
7471       if (IS_EDITOR_CASCADE(element))
7472         element = EL_CHAR_MINUS;
7473
7474       Print("# %s\n", element_info[element].token_name);
7475     }
7476
7477     if (j > 0)
7478       Print("#\n");
7479
7480     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7481     {
7482       int element = (*editor_elements_info[i].element_list)[j];
7483
7484       Print("# %s\n", element_info[element].token_name);
7485     }
7486
7487     if (j > 0)
7488       Print("#\n");
7489   }
7490 }
7491
7492 static void ReinitializeElementListButtons(void)
7493 {
7494   static boolean last_setup_value_headlines = FALSE;
7495   static boolean initialization_needed = TRUE;
7496   int i;
7497
7498   if (!initialization_needed)   // check if editor element setup has changed
7499   {
7500     if (last_setup_value_headlines != setup.editor.el_headlines)
7501       initialization_needed = TRUE;
7502
7503     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7504       if (editor_elements_info[i].last_setup_value !=
7505           *editor_elements_info[i].setup_value)
7506         initialization_needed = TRUE;
7507   }
7508
7509   if (!initialization_needed)
7510     return;
7511
7512   FreeLevelEditorGadgets();
7513   CreateLevelEditorGadgets();
7514
7515   // store current setup values for next invocation of this function
7516   last_setup_value_headlines = setup.editor.el_headlines;
7517   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7518     editor_elements_info[i].last_setup_value =
7519       *editor_elements_info[i].setup_value;
7520
7521   initialization_needed = FALSE;
7522 }
7523
7524 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7525                               boolean input)
7526 {
7527   int border_graphic =
7528     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7529   struct GraphicInfo *g = &graphic_info[border_graphic];
7530   Bitmap *src_bitmap = g->bitmap;
7531   int src_x = g->src_x;
7532   int src_y = g->src_y;
7533   int border_size = g->border_size;
7534   int border_xpos = g->width  - border_size;
7535   int border_ypos = g->height - border_size;
7536   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7537   int i;
7538
7539   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7540              border_size, border_size,
7541              dest_x - border_size, dest_y - border_size);
7542   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7543              border_size, border_size,
7544              dest_x + width, dest_y - border_size);
7545   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7546              border_size, border_size,
7547              dest_x - border_size, dest_y + height);
7548   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7549              border_size, border_size,
7550              dest_x + width, dest_y + height);
7551
7552   for (i = 0; i < width / tilesize; i++)
7553   {
7554     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7555                tilesize, border_size,
7556                dest_x + i * tilesize, dest_y - border_size);
7557     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7558                tilesize, border_size,
7559                dest_x + i * tilesize, dest_y + height);
7560   }
7561
7562   for (i = 0; i < height / tilesize; i++)
7563   {
7564     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7565                border_size, tilesize,
7566                dest_x - border_size, dest_y + i * tilesize);
7567     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7568                border_size, tilesize,
7569                dest_x + width, dest_y + i * tilesize);
7570   }
7571
7572   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7573 }
7574
7575 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7576 {
7577   int xsize_tile = MAX(ed_tilesize, xsize);
7578   int ysize_tile = MAX(ed_tilesize, ysize);
7579   int xsize_full = xsize + 1;
7580   int ysize_full = ysize + 1;
7581   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7582   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7583   Pixel line_color = getTabulatorBarColor();
7584
7585   if (line_color == BLACK_PIXEL)                // black => transparent
7586     return;
7587
7588   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7589   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7590   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7591 }
7592
7593 static void DrawEditorLevelBorderLinesIfNeeded(void)
7594 {
7595   int xsize = lev_fieldx * ed_tilesize;
7596   int ysize = lev_fieldy * ed_tilesize;
7597   int line_size = getTabulatorBarHeight();
7598
7599   if (!suppressBorderElement())
7600     return;
7601
7602   // draw little border line around editable level playfield
7603
7604   if (xsize < SXSIZE)
7605     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7606
7607   if (ysize < SYSIZE)
7608     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7609
7610   if (xsize < SXSIZE && ysize < SYSIZE)
7611     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7612 }
7613
7614 static void DrawEditorElement(int x, int y, int element)
7615 {
7616   DrawSizedElement(x, y, element, ed_tilesize);
7617 }
7618
7619 static void DrawEditorElementThruMask(int x, int y, int element)
7620 {
7621   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7622 }
7623
7624 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7625 {
7626   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7627 }
7628
7629 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7630 {
7631   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7632   DrawEditorLevelBorderLinesIfNeeded();
7633 }
7634
7635 static void DrawDrawingArea(int id)
7636 {
7637   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7638   int x, y;
7639
7640   int *value = drawingarea_info[id].value;
7641   int area_xsize = drawingarea_info[id].area_xsize;
7642   int area_ysize = drawingarea_info[id].area_ysize;
7643   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7644
7645   for (x = 0; x < area_xsize; x++)
7646   {
7647     for (y = 0; y < area_ysize; y++)
7648     {
7649       int element = value[x * area_ysize + y];
7650       int graphic;
7651       int frame;
7652
7653       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7654
7655       DrawSizedGraphicExt(drawto,
7656                           gi->x + x * tilesize,
7657                           gi->y + y * tilesize,
7658                           graphic, frame, tilesize);
7659     }
7660   }
7661 }
7662
7663 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7664 {
7665   int x, y;
7666   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7667   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7668
7669   BlitBitmap(drawto, drawto,
7670              SX + (dx == -1 ? ed_tilesize : 0),
7671              SY + (dy == -1 ? ed_tilesize : 0),
7672              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7673              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7674              SX + (dx == +1 ? ed_tilesize : 0),
7675              SY + (dy == +1 ? ed_tilesize : 0));
7676
7677   if (dx)
7678   {
7679     x = (dx == 1 ? 0 : ed_fieldx - 1);
7680     for (y = 0; y < ed_fieldy; y++)
7681       DrawEditorElementOrWall(x, y, from_x, from_y);
7682   }
7683   else if (dy)
7684   {
7685     y = (dy == 1 ? 0 : ed_fieldy - 1);
7686     for (x = 0; x < ed_fieldx; x++)
7687       DrawEditorElementOrWall(x, y, from_x, from_y);
7688   }
7689
7690   redraw_mask |= REDRAW_FIELD;
7691   BackToFront();
7692 }
7693
7694 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7695 {
7696   if (use_editor_gfx)
7697   {
7698     *graphic = el2edimg(element);
7699     *frame = 0;
7700   }
7701   else
7702   {
7703     *graphic = el2img(element);
7704     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7705               custom_element.ce_value_fixed_initial :
7706               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7707               custom_element.collect_score_initial : FrameCounter);
7708   }
7709
7710   if (*graphic == IMG_UNKNOWN)
7711   {
7712     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7713     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7714     int element_bd = map_element_RND_to_BD_cave(element);
7715
7716     if (element_bd != O_UNKNOWN)
7717     {
7718       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7719
7720       *graphic = g_bd->graphic;
7721       *frame   = g_bd->frame;
7722     }
7723   }
7724 }
7725
7726 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7727                                    int *x, int *y)
7728 {
7729   int graphic;
7730   int frame;
7731
7732   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7733
7734   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7735 }
7736
7737 static void CreateControlButtons(void)
7738 {
7739   struct GadgetInfo *gi;
7740   int i;
7741
7742   // create toolbox buttons
7743   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7744   {
7745     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7746     int id = controlbutton_info[i].gadget_id;
7747     int type = controlbutton_info[i].gadget_type;
7748     int graphic = controlbutton_info[i].graphic;
7749     struct XYTileSize *pos = controlbutton_info[i].pos;
7750     struct GraphicInfo *gd = &graphic_info[graphic];
7751     Bitmap *deco_bitmap = NULL;
7752     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7753     int tile_size = 0, deco_shift = 0;
7754     boolean deco_masked = FALSE;
7755     int gd_x1 = gd->src_x;
7756     int gd_y1 = gd->src_y;
7757     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7758     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7759     int gd_x1a = gd->src_x + gd->active_xoffset;
7760     int gd_y1a = gd->src_y + gd->active_yoffset;
7761     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7762     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7763     int x = pos->x;
7764     int y = pos->y;
7765     unsigned int event_mask;
7766     int radio_button_nr = RADIO_NR_NONE;
7767     boolean checked = FALSE;
7768
7769     if (type_id != i)
7770       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7771
7772     if (type == GD_TYPE_RADIO_BUTTON)
7773     {
7774       event_mask = GD_EVENT_PRESSED;
7775       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7776
7777       if (id == drawing_function)
7778         checked = TRUE;
7779     }
7780     else
7781     {
7782       if (id == GADGET_ID_WRAP_LEFT ||
7783           id == GADGET_ID_WRAP_RIGHT ||
7784           id == GADGET_ID_WRAP_UP ||
7785           id == GADGET_ID_WRAP_DOWN)
7786         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7787       else
7788         event_mask = GD_EVENT_RELEASED;
7789     }
7790
7791     if (id == GADGET_ID_PROPERTIES ||
7792         id == GADGET_ID_PALETTE)
7793     {
7794       x += DX;
7795       y += DY;
7796     }
7797     else if (id == GADGET_ID_ELEMENT_LEFT ||
7798              id == GADGET_ID_ELEMENT_MIDDLE ||
7799              id == GADGET_ID_ELEMENT_RIGHT)
7800     {
7801       x += DX;
7802       y += DY;
7803
7804       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7805                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7806                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7807
7808       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7809                                    editor.button.element_left.tile_size :
7810                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7811                                    editor.button.element_middle.tile_size :
7812                                    id == GADGET_ID_ELEMENT_RIGHT ?
7813                                    editor.button.element_right.tile_size : 0);
7814
7815       // make sure that decoration does not overlap gadget border
7816       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7817
7818       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7819
7820       deco_xpos = (gd->width  - tile_size) / 2;
7821       deco_ypos = (gd->height - tile_size) / 2;
7822       deco_shift = 1;
7823       deco_masked = gd->draw_masked;
7824     }
7825     else
7826     {
7827       x += EX;
7828       y += EY;
7829     }
7830
7831     gi = CreateGadget(GDI_CUSTOM_ID, id,
7832                       GDI_CUSTOM_TYPE_ID, type_id,
7833                       GDI_IMAGE_ID, graphic,
7834                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7835                       GDI_X, x,
7836                       GDI_Y, y,
7837                       GDI_WIDTH, gd->width,
7838                       GDI_HEIGHT, gd->height,
7839                       GDI_TYPE, type,
7840                       GDI_STATE, GD_BUTTON_UNPRESSED,
7841                       GDI_RADIO_NR, radio_button_nr,
7842                       GDI_CHECKED, checked,
7843                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7844                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7845                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7846                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7847                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7848                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7849                       GDI_DECORATION_SIZE, tile_size, tile_size,
7850                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7851                       GDI_DECORATION_MASKED, deco_masked,
7852                       GDI_EVENT_MASK, event_mask,
7853                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7854                       GDI_CALLBACK_ACTION, HandleControlButtons,
7855                       GDI_END);
7856
7857     if (gi == NULL)
7858       Fail("cannot create gadget");
7859
7860     level_editor_gadget[id] = gi;
7861   }
7862
7863   // these values are not constant, but can change at runtime
7864   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7865   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7866   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7867   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7868   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7869   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7870   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7871   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7872   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7873   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7874   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7875   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7876
7877   // create buttons for scrolling of drawing area and element list
7878   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7879   {
7880     int id = scrollbutton_info[i].gadget_id;
7881     int type_id = scrollbutton_info[i].gadget_type_id;
7882     int graphic = scrollbutton_info[i].graphic;
7883     struct GraphicInfo *gd = &graphic_info[graphic];
7884     Bitmap *gd_bitmap = gd->bitmap;
7885     int gd_x1 = gd->src_x;
7886     int gd_y1 = gd->src_y;
7887     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7888     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7889     int width  = gd->width;
7890     int height = gd->height;
7891     int x = scrollbutton_pos[i].x;
7892     int y = scrollbutton_pos[i].y;
7893     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7894
7895     if (type_id != i)
7896       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7897
7898     if (id == GADGET_ID_SCROLL_LIST_UP ||
7899         id == GADGET_ID_SCROLL_LIST_DOWN)
7900     {
7901       x += PX;
7902       y += PY;
7903     }
7904     else
7905     {
7906       x += SX;
7907       y += SY;
7908     }
7909
7910     gi = CreateGadget(GDI_CUSTOM_ID, id,
7911                       GDI_CUSTOM_TYPE_ID, type_id,
7912                       GDI_IMAGE_ID, graphic,
7913                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7914                       GDI_X, x,
7915                       GDI_Y, y,
7916                       GDI_WIDTH, width,
7917                       GDI_HEIGHT, height,
7918                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7919                       GDI_STATE, GD_BUTTON_UNPRESSED,
7920                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7921                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7922                       GDI_EVENT_MASK, event_mask,
7923                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7924                       GDI_CALLBACK_ACTION, HandleControlButtons,
7925                       GDI_END);
7926
7927     if (gi == NULL)
7928       Fail("cannot create gadget");
7929
7930     level_editor_gadget[id] = gi;
7931   }
7932
7933   // create buttons for element list
7934   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7935   {
7936     int type_id = i;
7937     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7938     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7939     struct GraphicInfo *gd = &graphic_info[graphic];
7940     Bitmap *gd_bitmap = gd->bitmap;
7941     Bitmap *deco_bitmap;
7942     int deco_x, deco_y, deco_xpos, deco_ypos;
7943     int gd_x1 = gd->src_x;
7944     int gd_y1 = gd->src_y;
7945     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7946     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7947     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7948     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7949     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7950     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7951     int element = editor_elements[i];
7952     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7953     unsigned int event_mask = GD_EVENT_RELEASED;
7954
7955     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7956
7957     deco_xpos = (gd->width  - tile_size) / 2;
7958     deco_ypos = (gd->height - tile_size) / 2;
7959
7960     gi = CreateGadget(GDI_CUSTOM_ID, id,
7961                       GDI_CUSTOM_TYPE_ID, type_id,
7962                       GDI_IMAGE_ID, graphic,
7963                       GDI_INFO_TEXT, getElementInfoText(element),
7964                       GDI_X, x,
7965                       GDI_Y, y,
7966                       GDI_WIDTH, gd->width,
7967                       GDI_HEIGHT, gd->height,
7968                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7969                       GDI_STATE, GD_BUTTON_UNPRESSED,
7970                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7971                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7972                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7973                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7974                       GDI_DECORATION_SIZE, tile_size, tile_size,
7975                       GDI_DECORATION_SHIFTING, 1, 1,
7976                       GDI_EVENT_MASK, event_mask,
7977                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7978                       GDI_CALLBACK_ACTION, HandleControlButtons,
7979                       GDI_END);
7980
7981     if (gi == NULL)
7982       Fail("cannot create gadget");
7983
7984     level_editor_gadget[id] = gi;
7985   }
7986 }
7987
7988 static void CreateCounterButtons(void)
7989 {
7990   int max_infotext_len = getMaxInfoTextLength();
7991   int i;
7992
7993   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7994   {
7995     int type_id = counterbutton_info[i].gadget_type_id;
7996     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7997     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7998     int j;
7999
8000     if (type_id != i)
8001       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
8002
8003     // determine horizontal position to the right of specified gadget
8004     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8005       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
8006            ED_GADGET_TEXT_DISTANCE);
8007
8008     // determine horizontal offset for leading text
8009     if (counterbutton_info[i].text_left != NULL)
8010       x += getTextWidthForGadget(counterbutton_info[i].text_left);
8011
8012     for (j = 0; j < 2; j++)
8013     {
8014       struct GadgetInfo *gi;
8015       int id = (j == 0 ?
8016                 counterbutton_info[i].gadget_id_down :
8017                 counterbutton_info[i].gadget_id_up);
8018       int graphic;
8019       struct GraphicInfo *gd;
8020       int gd_x1, gd_x2, gd_y1, gd_y2;
8021       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
8022       char infotext[max_infotext_len + 1];
8023
8024       if (i == ED_COUNTER_ID_SELECT_LEVEL)
8025       {
8026         graphic = (j == 0 ?
8027                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
8028                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
8029
8030         event_mask |= GD_EVENT_RELEASED;
8031
8032         if (j == 0)
8033         {
8034           x = DX + editor.button.prev_level.x;
8035           y = DY + editor.button.prev_level.y;
8036         }
8037         else
8038         {
8039           x = DX + editor.button.next_level.x;
8040           y = DY + editor.button.next_level.y;
8041         }
8042       }
8043       else
8044       {
8045         graphic = (j == 0 ?
8046                    IMG_EDITOR_COUNTER_DOWN :
8047                    IMG_EDITOR_COUNTER_UP);
8048       }
8049
8050       gd = &graphic_info[graphic];
8051
8052       gd_x1 = gd->src_x;
8053       gd_y1 = gd->src_y;
8054       gd_x2 = gd->src_x + gd->pressed_xoffset;
8055       gd_y2 = gd->src_y + gd->pressed_yoffset;
8056
8057       sprintf(infotext, "%s counter value by 1, 5 or 10",
8058               (j == 0 ? "Decrease" : "Increase"));
8059
8060       gi = CreateGadget(GDI_CUSTOM_ID, id,
8061                         GDI_CUSTOM_TYPE_ID, type_id,
8062                         GDI_IMAGE_ID, graphic,
8063                         GDI_INFO_TEXT, infotext,
8064                         GDI_X, x,
8065                         GDI_Y, y,
8066                         GDI_WIDTH, gd->width,
8067                         GDI_HEIGHT, gd->height,
8068                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8069                         GDI_STATE, GD_BUTTON_UNPRESSED,
8070                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8071                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8072                         GDI_EVENT_MASK, event_mask,
8073                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8074                         GDI_CALLBACK_ACTION, HandleCounterButtons,
8075                         GDI_END);
8076
8077       if (gi == NULL)
8078         Fail("cannot create gadget");
8079
8080       level_editor_gadget[id] = gi;
8081       right_gadget_border[id] =
8082         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8083
8084       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
8085
8086       if (j == 0)
8087       {
8088         int font_type = FONT_INPUT_1;
8089         int font_type_active = FONT_INPUT_1_ACTIVE;
8090
8091         id = counterbutton_info[i].gadget_id_text;
8092
8093         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8094
8095         if (i == ED_COUNTER_ID_SELECT_LEVEL)
8096         {
8097           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
8098
8099           font_type = FONT_LEVEL_NUMBER;
8100           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8101
8102           x = DX + editor.input.level_number.x;
8103           y = DY + editor.input.level_number.y;
8104         }
8105         else
8106         {
8107           graphic = IMG_EDITOR_COUNTER_INPUT;
8108         }
8109
8110         gd = &graphic_info[graphic];
8111
8112         gd_x1 = gd->src_x;
8113         gd_y1 = gd->src_y;
8114         gd_x2 = gd->src_x + gd->active_xoffset;
8115         gd_y2 = gd->src_y + gd->active_yoffset;
8116
8117         gi = CreateGadget(GDI_CUSTOM_ID, id,
8118                           GDI_CUSTOM_TYPE_ID, type_id,
8119                           GDI_IMAGE_ID, graphic,
8120                           GDI_INFO_TEXT, "Enter counter value",
8121                           GDI_X, x,
8122                           GDI_Y, y,
8123                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8124                           GDI_NUMBER_VALUE, 0,
8125                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8126                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8127                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8128                           GDI_TEXT_FONT, font_type,
8129                           GDI_TEXT_FONT_ACTIVE, font_type_active,
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_DESIGN_WIDTH, gd->width,
8134                           GDI_EVENT_MASK, event_mask,
8135                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8136                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8137                           GDI_END);
8138
8139         if (gi == NULL)
8140           Fail("cannot create gadget");
8141
8142         level_editor_gadget[id] = gi;
8143         right_gadget_border[id] =
8144           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8145
8146         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8147       }
8148     }
8149   }
8150 }
8151
8152 static void CreateDrawingAreas(void)
8153 {
8154   int i;
8155
8156   // these values are not constant, but can change at runtime
8157   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8158   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8159
8160   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8161   {
8162     struct GadgetInfo *gi;
8163     int id = drawingarea_info[i].gadget_id;
8164     int type_id = drawingarea_info[i].gadget_type_id;
8165     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8166     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8167     int area_xsize = drawingarea_info[i].area_xsize;
8168     int area_ysize = drawingarea_info[i].area_ysize;
8169     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8170                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8171     unsigned int event_mask =
8172       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8173       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8174
8175     if (type_id != i)
8176       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8177
8178     // determine horizontal position to the right of specified gadget
8179     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8180       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8181            ED_DRAWINGAREA_TEXT_DISTANCE);
8182
8183     // determine horizontal offset for leading text
8184     if (drawingarea_info[i].text_left != NULL)
8185       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8186
8187     gi = CreateGadget(GDI_CUSTOM_ID, id,
8188                       GDI_CUSTOM_TYPE_ID, type_id,
8189                       GDI_X, x,
8190                       GDI_Y, y,
8191                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8192                       GDI_AREA_SIZE, area_xsize, area_ysize,
8193                       GDI_ITEM_SIZE, item_size, item_size,
8194                       GDI_EVENT_MASK, event_mask,
8195                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8196                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8197                       GDI_END);
8198
8199     if (gi == NULL)
8200       Fail("cannot create gadget");
8201
8202     level_editor_gadget[id] = gi;
8203     right_gadget_border[id] =
8204       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8205   }
8206 }
8207
8208 static void CreateTextInputGadgets(void)
8209 {
8210   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8211   int max_infotext_len = getMaxInfoTextLength();
8212   int i;
8213
8214   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8215   {
8216     int gd_x1 = gd->src_x;
8217     int gd_y1 = gd->src_y;
8218     int gd_x2 = gd->src_x + gd->active_xoffset;
8219     int gd_y2 = gd->src_y + gd->active_yoffset;
8220     struct GadgetInfo *gi;
8221     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8222     char infotext[MAX_OUTPUT_LINESIZE + 1];
8223     int id = textinput_info[i].gadget_id;
8224     int type_id = textinput_info[i].gadget_type_id;
8225     int x, y;
8226
8227     if (type_id != i)
8228       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8229
8230     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8231     {
8232       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8233       int border_size = gd->border_size;
8234       int font_nr = FONT_INPUT_1;
8235       int font_height = getFontHeight(font_nr);
8236       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8237       int yoffset = element_border + (TILEY - font_height) / 2;
8238
8239       x = (editor.settings.element_name.x != -1 ?
8240            editor.settings.element_name.x :
8241            editor.settings.element_graphic.x + xoffset) - border_size;
8242       y = (editor.settings.element_name.y != -1 ?
8243            editor.settings.element_name.y :
8244            editor.settings.element_graphic.y + yoffset) - border_size;
8245     }
8246     else
8247     {
8248       x = ED_SETTINGS_X(textinput_info[i].x);
8249       y = ED_SETTINGS_Y(textinput_info[i].y);
8250     }
8251
8252     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8253     infotext[max_infotext_len] = '\0';
8254
8255     gi = CreateGadget(GDI_CUSTOM_ID, id,
8256                       GDI_CUSTOM_TYPE_ID, type_id,
8257                       GDI_INFO_TEXT, infotext,
8258                       GDI_X, SX + x,
8259                       GDI_Y, SY + y,
8260                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8261                       GDI_TEXT_VALUE, textinput_info[i].value,
8262                       GDI_TEXT_SIZE, textinput_info[i].size,
8263                       GDI_TEXT_FONT, FONT_INPUT_1,
8264                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8265                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8266                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8267                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8268                       GDI_DESIGN_WIDTH, gd->width,
8269                       GDI_EVENT_MASK, event_mask,
8270                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8271                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8272                       GDI_END);
8273
8274     if (gi == NULL)
8275       Fail("cannot create gadget");
8276
8277     level_editor_gadget[id] = gi;
8278   }
8279 }
8280
8281 static void CreateTextAreaGadgets(void)
8282 {
8283   int max_infotext_len = getMaxInfoTextLength();
8284   int i;
8285
8286   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8287   {
8288     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8289     int gd_x1 = gd->src_x;
8290     int gd_y1 = gd->src_y;
8291     int gd_x2 = gd->src_x + gd->active_xoffset;
8292     int gd_y2 = gd->src_y + gd->active_yoffset;
8293     struct GadgetInfo *gi;
8294     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8295     char infotext[MAX_OUTPUT_LINESIZE + 1];
8296     int id = textarea_info[i].gadget_id;
8297     int type_id = textarea_info[i].gadget_type_id;
8298     int area_xsize = textarea_info[i].xsize;
8299     int area_ysize = textarea_info[i].ysize;
8300
8301     if (type_id != i)
8302       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8303
8304     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8305     infotext[max_infotext_len] = '\0';
8306
8307     gi = CreateGadget(GDI_CUSTOM_ID, id,
8308                       GDI_CUSTOM_TYPE_ID, type_id,
8309                       GDI_INFO_TEXT, infotext,
8310                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8311                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8312                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8313                       GDI_AREA_SIZE, area_xsize, area_ysize,
8314                       GDI_TEXT_FONT, FONT_INPUT_1,
8315                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8316                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8317                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8318                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8319                       GDI_DESIGN_WIDTH, gd->width,
8320                       GDI_EVENT_MASK, event_mask,
8321                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8322                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8323                       GDI_END);
8324
8325     if (gi == NULL)
8326       Fail("cannot create gadget");
8327
8328     level_editor_gadget[id] = gi;
8329   }
8330 }
8331
8332 static void CreateSelectboxGadgets(void)
8333 {
8334   int max_infotext_len = getMaxInfoTextLength();
8335
8336   int i, j;
8337
8338   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8339   {
8340     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8341     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8342     int gd_x1 = gd->src_x;
8343     int gd_y1 = gd->src_y;
8344     int gd_x2 = gd->src_x + gd->active_xoffset;
8345     int gd_y2 = gd->src_y + gd->active_yoffset;
8346     int selectbox_button_xsize = gd2->width;
8347     struct GadgetInfo *gi;
8348     char infotext[MAX_OUTPUT_LINESIZE + 1];
8349     int id = selectbox_info[i].gadget_id;
8350     int type_id = selectbox_info[i].gadget_type_id;
8351     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8352     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8353     unsigned int event_mask =
8354       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8355
8356     if (type_id != i)
8357       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8358
8359     if (selectbox_info[i].size == -1)   // dynamically determine size
8360     {
8361       // (we cannot use -1 for uninitialized values if we directly compare
8362       // with results from strlen(), because the '<' and '>' operation will
8363       // implicitely cast -1 to an unsigned integer value!)
8364       selectbox_info[i].size = 0;
8365
8366       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8367         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8368           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8369
8370       selectbox_info[i].size++;         // add one character empty space
8371     }
8372
8373     // determine horizontal position to the right of specified gadget
8374     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8375       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8376            ED_GADGET_TEXT_DISTANCE);
8377
8378     // determine horizontal offset for leading text
8379     if (selectbox_info[i].text_left != NULL)
8380       x += getTextWidthForGadget(selectbox_info[i].text_left);
8381
8382     sprintf(infotext, "%s", selectbox_info[i].infotext);
8383     infotext[max_infotext_len] = '\0';
8384
8385     gi = CreateGadget(GDI_CUSTOM_ID, id,
8386                       GDI_CUSTOM_TYPE_ID, type_id,
8387                       GDI_INFO_TEXT, infotext,
8388                       GDI_X, x,
8389                       GDI_Y, y,
8390                       GDI_TYPE, GD_TYPE_SELECTBOX,
8391                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8392                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8393                       GDI_TEXT_SIZE, selectbox_info[i].size,
8394                       GDI_TEXT_FONT, FONT_INPUT_1,
8395                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8396                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8397                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8398                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8399                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8400                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8401                       GDI_DESIGN_WIDTH, gd->width,
8402                       GDI_EVENT_MASK, event_mask,
8403                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8404                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8405                       GDI_END);
8406
8407     if (gi == NULL)
8408       Fail("cannot create gadget");
8409
8410     level_editor_gadget[id] = gi;
8411     right_gadget_border[id] =
8412       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8413   }
8414 }
8415
8416 static void CreateTextbuttonGadgets(void)
8417 {
8418   int max_infotext_len = getMaxInfoTextLength();
8419   int i;
8420
8421   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8422   {
8423     int id = textbutton_info[i].gadget_id;
8424     int type_id = textbutton_info[i].gadget_type_id;
8425     int is_tab_button =
8426       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8427        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8428     int graphic =
8429       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8430     int gadget_distance =
8431       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8432     struct GraphicInfo *gd = &graphic_info[graphic];
8433     int gd_x1 = gd->src_x;
8434     int gd_y1 = gd->src_y;
8435     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8436     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8437     int gd_x1a = gd->src_x + gd->active_xoffset;
8438     int gd_y1a = gd->src_y + gd->active_yoffset;
8439     int border_xsize = gd->border_size + gd->draw_xoffset;
8440     int border_ysize = gd->border_size;
8441     struct GadgetInfo *gi;
8442     unsigned int event_mask = GD_EVENT_RELEASED;
8443     char infotext[MAX_OUTPUT_LINESIZE + 1];
8444     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8445     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8446
8447     if (type_id != i)
8448       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8449
8450     if (textbutton_info[i].size == -1)  // dynamically determine size
8451       textbutton_info[i].size = strlen(textbutton_info[i].text);
8452
8453     sprintf(infotext, "%s", textbutton_info[i].infotext);
8454     infotext[max_infotext_len] = '\0';
8455
8456     // determine horizontal position to the right of specified gadget
8457     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8458     {
8459       int gadget_id_align = textbutton_info[i].gadget_id_align;
8460
8461       x = right_gadget_border[gadget_id_align] + gadget_distance;
8462
8463       if (textbutton_info[i].y == -1)
8464         y = level_editor_gadget[gadget_id_align]->y;
8465     }
8466
8467     // determine horizontal offset for leading text
8468     if (textbutton_info[i].text_left != NULL)
8469       x += getTextWidthForGadget(textbutton_info[i].text_left);
8470
8471     gi = CreateGadget(GDI_CUSTOM_ID, id,
8472                       GDI_CUSTOM_TYPE_ID, type_id,
8473                       GDI_IMAGE_ID, graphic,
8474                       GDI_INFO_TEXT, infotext,
8475                       GDI_X, x,
8476                       GDI_Y, y,
8477                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8478                       GDI_TEXT_VALUE, textbutton_info[i].text,
8479                       GDI_TEXT_SIZE, textbutton_info[i].size,
8480                       GDI_TEXT_FONT, FONT_INPUT_2,
8481                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8482                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8483                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8484                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8485                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8486                       GDI_DESIGN_WIDTH, gd->width,
8487                       GDI_DECORATION_SHIFTING, 1, 1,
8488                       GDI_EVENT_MASK, event_mask,
8489                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8490                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8491                       GDI_END);
8492
8493     if (gi == NULL)
8494       Fail("cannot create gadget");
8495
8496     level_editor_gadget[id] = gi;
8497     right_gadget_border[id] =
8498       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8499   }
8500 }
8501
8502 static void CreateGraphicbuttonGadgets(void)
8503 {
8504   struct GadgetInfo *gi;
8505   int i;
8506
8507   // create buttons for scrolling of drawing area and element list
8508   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8509   {
8510     int id = graphicbutton_info[i].gadget_id;
8511     int type_id = graphicbutton_info[i].gadget_type_id;
8512     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8513     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8514     int graphic = graphicbutton_info[i].graphic;
8515     struct GraphicInfo *gd = &graphic_info[graphic];
8516     int gd_x1 = gd->src_x;
8517     int gd_y1 = gd->src_y;
8518     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8519     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8520     unsigned int event_mask = GD_EVENT_RELEASED;
8521
8522     if (type_id != i)
8523       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8524
8525     // determine horizontal position to the right of specified gadget
8526     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8527       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8528            ED_GADGET_TEXT_DISTANCE);
8529
8530     // determine horizontal offset for leading text
8531     if (graphicbutton_info[i].text_left != NULL)
8532       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8533
8534     gi = CreateGadget(GDI_CUSTOM_ID, id,
8535                       GDI_CUSTOM_TYPE_ID, type_id,
8536                       GDI_IMAGE_ID, graphic,
8537                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8538                       GDI_X, x,
8539                       GDI_Y, y,
8540                       GDI_WIDTH, gd->width,
8541                       GDI_HEIGHT, gd->height,
8542                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8543                       GDI_STATE, GD_BUTTON_UNPRESSED,
8544                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8545                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8546                       GDI_EVENT_MASK, event_mask,
8547                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8548                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8549                       GDI_END);
8550
8551     if (gi == NULL)
8552       Fail("cannot create gadget");
8553
8554     level_editor_gadget[id] = gi;
8555     right_gadget_border[id] =
8556       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8557   }
8558 }
8559
8560 static void CreateScrollbarGadgets(void)
8561 {
8562   int i;
8563
8564   // these values are not constant, but can change at runtime
8565   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8566     SX + ED_SCROLL_HORIZONTAL_XPOS;
8567   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8568     SY + ED_SCROLL_HORIZONTAL_YPOS;
8569   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8570     ED_SCROLL_HORIZONTAL_XSIZE;
8571   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8572     ED_SCROLL_HORIZONTAL_YSIZE;
8573   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8574   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8575   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8576   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8577
8578   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8579     SX + ED_SCROLL_VERTICAL_XPOS;
8580   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8581     SY + ED_SCROLL_VERTICAL_YPOS;
8582   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8583     ED_SCROLL_VERTICAL_XSIZE;
8584   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8585     ED_SCROLL_VERTICAL_YSIZE;
8586   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8587   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8588   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8589   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8590
8591   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8592     PX + ED_SCROLL2_VERTICAL_XPOS;
8593   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8594     PY + ED_SCROLL2_VERTICAL_YPOS;
8595   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8596     ED_SCROLL2_VERTICAL_XSIZE;
8597   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8598     ED_SCROLL2_VERTICAL_YSIZE;
8599   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8600   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8601   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8602   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8603
8604   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8605   {
8606     int id = scrollbar_info[i].gadget_id;
8607     int type_id = scrollbar_info[i].gadget_type_id;
8608     int graphic = scrollbar_info[i].graphic;
8609     struct GraphicInfo *gd = &graphic_info[graphic];
8610     int gd_x1 = gd->src_x;
8611     int gd_y1 = gd->src_y;
8612     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8613     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8614     struct GadgetInfo *gi;
8615     int items_max, items_visible, item_position;
8616     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8617
8618     if (type_id != i)
8619       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8620
8621     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8622     {
8623       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8624       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8625       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8626     }
8627     else        // drawing area scrollbars
8628     {
8629       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8630       {
8631         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8632         items_visible = ed_fieldx;
8633         item_position = 0;
8634       }
8635       else
8636       {
8637         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8638         items_visible = ed_fieldy;
8639         item_position = 0;
8640       }
8641     }
8642
8643     gi = CreateGadget(GDI_CUSTOM_ID, id,
8644                       GDI_CUSTOM_TYPE_ID, type_id,
8645                       GDI_IMAGE_ID, graphic,
8646                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8647                       GDI_X, scrollbar_pos[i].x,
8648                       GDI_Y, scrollbar_pos[i].y,
8649                       GDI_WIDTH, scrollbar_pos[i].width,
8650                       GDI_HEIGHT, scrollbar_pos[i].height,
8651                       GDI_TYPE, scrollbar_info[i].type,
8652                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8653                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8654                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8655                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8656                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8657                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8658                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8659                       GDI_STATE, GD_BUTTON_UNPRESSED,
8660                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8661                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8662                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8663                       GDI_EVENT_MASK, event_mask,
8664                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8665                       GDI_CALLBACK_ACTION, HandleControlButtons,
8666                       GDI_END);
8667
8668     if (gi == NULL)
8669       Fail("cannot create gadget");
8670
8671     level_editor_gadget[id] = gi;
8672   }
8673 }
8674
8675 static void CreateCheckbuttonGadgets(void)
8676 {
8677   struct GadgetInfo *gi;
8678   int i;
8679
8680   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8681   {
8682     int id = checkbutton_info[i].gadget_id;
8683     int type_id = checkbutton_info[i].gadget_type_id;
8684     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8685                    IMG_EDITOR_CHECKBOX);
8686     struct GraphicInfo *gd = &graphic_info[graphic];
8687     int gd_x1 = gd->src_x;
8688     int gd_y1 = gd->src_y;
8689     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8690     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8691     int gd_x1a = gd->src_x + gd->active_xoffset;
8692     int gd_y1a = gd->src_y + gd->active_yoffset;
8693     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8694     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8695     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8696     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8697     unsigned int event_mask = GD_EVENT_PRESSED;
8698
8699     if (type_id != i)
8700       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8701
8702     // determine horizontal position to the right of specified gadget
8703     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8704       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8705            ED_GADGET_TEXT_DISTANCE);
8706
8707     // determine horizontal offset for leading text
8708     if (checkbutton_info[i].text_left != NULL)
8709       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8710
8711     gi = CreateGadget(GDI_CUSTOM_ID, id,
8712                       GDI_CUSTOM_TYPE_ID, type_id,
8713                       GDI_IMAGE_ID, graphic,
8714                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8715                       GDI_X, x,
8716                       GDI_Y, y,
8717                       GDI_WIDTH, gd->width,
8718                       GDI_HEIGHT, gd->height,
8719                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8720                       GDI_CHECKED, *checkbutton_info[i].value,
8721                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8722                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8723                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8724                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8725                       GDI_EVENT_MASK, event_mask,
8726                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8727                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8728                       GDI_END);
8729
8730     if (gi == NULL)
8731       Fail("cannot create gadget");
8732
8733     level_editor_gadget[id] = gi;
8734     right_gadget_border[id] =
8735       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8736   }
8737 }
8738
8739 static void CreateRadiobuttonGadgets(void)
8740 {
8741   int graphic = IMG_EDITOR_RADIOBUTTON;
8742   struct GraphicInfo *gd = &graphic_info[graphic];
8743   int gd_x1 = gd->src_x;
8744   int gd_y1 = gd->src_y;
8745   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8746   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8747   int gd_x1a = gd->src_x + gd->active_xoffset;
8748   int gd_y1a = gd->src_y + gd->active_yoffset;
8749   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8750   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8751   struct GadgetInfo *gi;
8752   int i;
8753
8754   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8755   {
8756     int id = radiobutton_info[i].gadget_id;
8757     int type_id = radiobutton_info[i].gadget_type_id;
8758     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8759     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8760     unsigned int event_mask = GD_EVENT_PRESSED;
8761
8762     if (type_id != i)
8763       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8764
8765     int checked =
8766       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8767
8768     // determine horizontal position to the right of specified gadget
8769     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8770       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8771            ED_GADGET_TEXT_DISTANCE);
8772
8773     // determine horizontal offset for leading text
8774     if (radiobutton_info[i].text_left != NULL)
8775       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8776
8777     gi = CreateGadget(GDI_CUSTOM_ID, id,
8778                       GDI_CUSTOM_TYPE_ID, type_id,
8779                       GDI_IMAGE_ID, graphic,
8780                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8781                       GDI_X, x,
8782                       GDI_Y, y,
8783                       GDI_WIDTH, gd->width,
8784                       GDI_HEIGHT, gd->height,
8785                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8786                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8787                       GDI_CHECKED, checked,
8788                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8789                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8790                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8791                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8792                       GDI_EVENT_MASK, event_mask,
8793                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8794                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8795                       GDI_END);
8796
8797     if (gi == NULL)
8798       Fail("cannot create gadget");
8799
8800     level_editor_gadget[id] = gi;
8801     right_gadget_border[id] =
8802       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8803   }
8804 }
8805
8806 void CreateLevelEditorGadgets(void)
8807 {
8808   // force EDITOR font inside level editor
8809   SetFontStatus(GAME_MODE_EDITOR);
8810
8811   // these values are not constant, but can change at runtime
8812   ed_fieldx = MAX_ED_FIELDX - 1;
8813   ed_fieldy = MAX_ED_FIELDY - 1;
8814
8815   num_editor_gadgets = NUM_EDITOR_GADGETS;
8816
8817   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8818
8819   level_editor_gadget =
8820     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8821   right_gadget_border =
8822     checked_calloc(num_editor_gadgets * sizeof(int));
8823
8824   // set number of empty (padding) element buttons to maximum number of buttons
8825   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8826
8827   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8828   editor_el_empty_ptr = editor_el_empty;
8829
8830   use_permanent_palette = !editor.palette.show_as_separate_screen;
8831
8832   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8833
8834   ReinitializeElementList();
8835
8836   CreateControlButtons();
8837   CreateScrollbarGadgets();
8838
8839   // order of function calls is important because of cross-references
8840   CreateCheckbuttonGadgets();
8841   CreateCounterButtons();
8842   CreateRadiobuttonGadgets();
8843   CreateTextInputGadgets();
8844   CreateTextAreaGadgets();
8845   CreateSelectboxGadgets();
8846   CreateGraphicbuttonGadgets();
8847   CreateTextbuttonGadgets();
8848   CreateDrawingAreas();
8849
8850   ResetFontStatus();
8851 }
8852
8853 void FreeLevelEditorGadgets(void)
8854 {
8855   int i;
8856
8857   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8858
8859   for (i = 0; i < num_editor_gadgets; i++)
8860   {
8861     FreeGadget(level_editor_gadget[i]);
8862
8863     level_editor_gadget[i] = NULL;
8864   }
8865
8866   checked_free(level_editor_gadget);
8867   checked_free(right_gadget_border);
8868
8869   checked_free(editor_el_empty);
8870 }
8871
8872 static void MapCounterButtons(int id)
8873 {
8874   int font_nr = FONT_TEXT_1;
8875   int font_height = getFontHeight(font_nr);
8876   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8877   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8878   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8879   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8880   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8881   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8882   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8883   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8884   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8885   int yoffset = (gi_down->height - font_height) / 2;
8886   int x_left = gi_down->x - xoffset_left;
8887   int x_right;  // set after gadget position was modified
8888   int y_above = gi_down->y - yoffset_above;
8889   int x = gi_down->x;
8890   int y;        // set after gadget position was modified
8891
8892   // counter limits must be changed first to prevent value truncation
8893   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8894                             counterbutton_info[id].max_value);
8895
8896   // right text position might have changed after setting position above
8897   x_right = gi_up->x + gi_up->width + xoffset_right;
8898
8899   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8900
8901   // set position for counter gadgets with dynamically determined position
8902   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8903   {
8904     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8905     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8906     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8907   }
8908
8909   // vertical position might have changed after setting position above
8910   y = gi_up->y + yoffset;
8911
8912   if (counterbutton_info[id].text_above)
8913     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8914
8915   if (counterbutton_info[id].text_left)
8916     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8917
8918   if (counterbutton_info[id].text_right)
8919     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8920
8921   MapGadget(gi_down);
8922   MapGadget(gi_text);
8923   MapGadget(gi_up);
8924 }
8925
8926 static void MapControlButtons(void)
8927 {
8928   int counter_id;
8929   int i;
8930
8931   // map toolbox buttons (excluding special CE toolbox buttons)
8932   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8933     MapGadget(level_editor_gadget[i]);
8934
8935   // map toolbox buttons (element properties buttons)
8936   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8937     MapGadget(level_editor_gadget[i]);
8938
8939   if (use_permanent_palette)
8940   {
8941     // map buttons to select elements
8942     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8943       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8944     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8945     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8946     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8947   }
8948
8949   // map buttons to select level
8950   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8951   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8952   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8953   MapCounterButtons(counter_id);
8954 }
8955
8956 static void MapDrawingArea(int id)
8957 {
8958   int font_nr = FONT_TEXT_1;
8959   int font_height = getFontHeight(font_nr);
8960   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8961   int area_xsize = gi->drawing.area_xsize;
8962   int area_ysize = gi->drawing.area_ysize;
8963   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8964   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8965   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8966   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8967   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8968   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8969   int y_side  = gi->y + (gi->height - font_height) / 2;
8970   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8971   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8972
8973   if (drawingarea_info[id].text_left)
8974     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8975
8976   if (drawingarea_info[id].text_right)
8977     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8978
8979   if (drawingarea_info[id].text_above)
8980     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8981
8982   if (drawingarea_info[id].text_below)
8983     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8984
8985   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8986   {
8987     DrawElementBorder(gi->x, gi->y,
8988                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8989                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8990
8991     DrawDrawingArea(id);
8992   }
8993
8994   MapGadget(gi);
8995 }
8996
8997 static void MapTextInputGadget(int id)
8998 {
8999   int font_nr = FONT_TEXT_1;
9000   int font_height = getFontHeight(font_nr);
9001   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
9002   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9003   int x_above = ED_SETTINGS_X(textinput_info[id].x);
9004   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
9005
9006   if (textinput_info[id].text_above)
9007     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
9008
9009   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
9010
9011   MapGadget(gi);
9012 }
9013
9014 static void MapTextAreaGadget(int id)
9015 {
9016   int font_nr = FONT_TEXT_1;
9017   int font_height = getFontHeight(font_nr);
9018   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
9019   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9020   int x_above = ED_SETTINGS_X(textarea_info[id].x);
9021   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
9022   char *text_above = textarea_info[id].text_above;
9023
9024   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
9025     text_above = textarea_info[id].text_above_cropped;
9026
9027   if (text_above)
9028     DrawTextS(x_above, y_above, font_nr, text_above);
9029
9030   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
9031
9032   MapGadget(gi);
9033 }
9034
9035 static void MapSelectboxGadget(int id)
9036 {
9037   int font_nr = FONT_TEXT_1;
9038   int font_height = getFontHeight(font_nr);
9039   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
9040   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
9041   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9042   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9043   int yoffset = (gi->height - font_height) / 2;
9044   int x_left = gi->x - xoffset_left;
9045   int x_right = gi->x + gi->width + xoffset_right;
9046   int y_above = gi->y - yoffset_above;
9047   int x = gi->x;
9048   int y = gi->y + yoffset;
9049
9050   if (selectbox_info[id].text_above)
9051     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
9052
9053   if (selectbox_info[id].text_left)
9054     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
9055
9056   if (selectbox_info[id].text_right)
9057     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
9058
9059   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
9060
9061   MapGadget(gi);
9062 }
9063
9064 static void MapTextbuttonGadget(int id)
9065 {
9066   int font_nr = FONT_TEXT_1;
9067   int font_height = getFontHeight(font_nr);
9068   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
9069   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
9070   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9071   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9072   int yoffset = (gi->height - font_height) / 2;
9073   int x_left = gi->x - xoffset_left;
9074   int x_right = gi->x + gi->width + xoffset_right;
9075   int y_above = gi->y - yoffset_above;
9076   int x = gi->x;
9077   int y = gi->y + yoffset;
9078
9079   // only show button to delete change pages when more than minimum pages
9080   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
9081       custom_element.num_change_pages == MIN_CHANGE_PAGES)
9082     return;
9083
9084   if (textbutton_info[id].text_above)
9085     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
9086
9087   if (textbutton_info[id].text_left)
9088     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
9089
9090   if (textbutton_info[id].text_right)
9091     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
9092
9093   MapGadget(gi);
9094 }
9095
9096 static void MapGraphicbuttonGadget(int id)
9097 {
9098   int font_nr = FONT_TEXT_1;
9099   int font_height = getFontHeight(font_nr);
9100   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9101   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9102   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9103   int yoffset = (gi->height - font_height) / 2;
9104   int x_left = gi->x - xoffset_left;
9105   int x_right = gi->x + gi->width + xoffset_right;
9106   int y = gi->y + yoffset;
9107
9108   if (graphicbutton_info[id].text_left)
9109     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9110
9111   if (graphicbutton_info[id].text_right)
9112     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9113
9114   MapGadget(gi);
9115 }
9116
9117 static void MapRadiobuttonGadget(int id)
9118 {
9119   int font_nr = FONT_TEXT_1;
9120   int font_height = getFontHeight(font_nr);
9121   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9122   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9123   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9124   int yoffset = (gi->height - font_height) / 2;
9125   int x_left = gi->x - xoffset_left;
9126   int x_right = gi->x + gi->width + xoffset_right;
9127   int y = gi->y + yoffset;
9128   boolean checked =
9129     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9130
9131   if (radiobutton_info[id].text_left)
9132     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9133
9134   if (radiobutton_info[id].text_right)
9135     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9136
9137   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9138
9139   MapGadget(gi);
9140 }
9141
9142 static void MapCheckbuttonGadget(int id)
9143 {
9144   int font_nr = FONT_TEXT_1;
9145   int font_height = getFontHeight(font_nr);
9146   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9147   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9148   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9149   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9150   int yoffset = (gi->height - font_height) / 2;
9151   int y_above = gi->y - yoffset_above;
9152   int x = gi->x;
9153   int x_left, x_right, y;       // set after gadget position was modified
9154
9155   // set position for gadgets with dynamically determined position
9156   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9157     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9158   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9159
9160   x_left = gi->x - xoffset_left;
9161   x_right = gi->x + gi->width + xoffset_right;
9162   y = gi->y + yoffset;
9163
9164   if (checkbutton_info[id].text_above)
9165     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9166
9167   if (checkbutton_info[id].text_left)
9168     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9169
9170   if (checkbutton_info[id].text_right)
9171     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9172
9173   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9174
9175   MapGadget(gi);
9176 }
9177
9178 static void MapMainDrawingArea(void)
9179 {
9180   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9181   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9182   int i;
9183
9184   if (suppressBorderElement())
9185   {
9186     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9187     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9188   }
9189
9190   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9191   {
9192     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9193           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9194          no_horizontal_scrollbar) ||
9195         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9196           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9197          no_vertical_scrollbar))
9198       continue;
9199
9200     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9201   }
9202
9203   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9204   {
9205     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9206         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9207       continue;
9208
9209     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9210   }
9211
9212   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9213 }
9214
9215 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9216 {
9217   int i;
9218
9219   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9220   {
9221     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9222         i == GADGET_ID_CUSTOM_COPY_TO ||
9223         i == GADGET_ID_CUSTOM_EXCHANGE ||
9224         i == GADGET_ID_CUSTOM_COPY ||
9225         i == GADGET_ID_CUSTOM_PASTE)
9226     {
9227       if (map)
9228         MapGadget(level_editor_gadget[i]);
9229       else
9230         UnmapGadget(level_editor_gadget[i]);
9231     }
9232   }
9233 }
9234
9235 static void MapLevelEditorToolboxCustomGadgets(void)
9236 {
9237   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9238 }
9239
9240 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9241 {
9242   if (IS_CUSTOM_ELEMENT(properties_element) ||
9243       IS_GROUP_ELEMENT(properties_element) ||
9244       IS_EMPTY_ELEMENT(properties_element))
9245     MapLevelEditorToolboxCustomGadgets();
9246 }
9247
9248 static void UnmapLevelEditorToolboxCustomGadgets(void)
9249 {
9250   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9251 }
9252
9253 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9254 {
9255   int i;
9256
9257   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9258   {
9259     if (i != GADGET_ID_SINGLE_ITEMS &&
9260         i != GADGET_ID_PICK_ELEMENT)
9261     {
9262       struct GadgetInfo *gi = level_editor_gadget[i];
9263
9264       if (map)
9265       {
9266         MapGadget(gi);
9267       }
9268       else
9269       {
9270         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9271         struct GraphicInfo *gd = &graphic_info[graphic];
9272
9273         UnmapGadget(gi);
9274
9275         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9276                    gi->width, gi->height, gi->x, gi->y);
9277
9278         redraw_mask |= REDRAW_DOOR_3;
9279       }
9280     }
9281   }
9282 }
9283
9284 static void MapLevelEditorToolboxDrawingGadgets(void)
9285 {
9286   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9287 }
9288
9289 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9290 {
9291   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9292 }
9293
9294 static void UnmapDrawingArea(int id)
9295 {
9296   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9297 }
9298
9299 static void UnmapLevelEditorFieldGadgets(void)
9300 {
9301   int i;
9302
9303   for (i = 0; i < num_editor_gadgets; i++)
9304     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9305                           level_editor_gadget[i]->y))
9306       UnmapGadget(level_editor_gadget[i]);
9307 }
9308
9309 void UnmapLevelEditorGadgets(void)
9310 {
9311   int i;
9312
9313   for (i = 0; i < num_editor_gadgets; i++)
9314     UnmapGadget(level_editor_gadget[i]);
9315 }
9316
9317 static void ResetUndoBuffer(void)
9318 {
9319   undo_buffer_position = -1;
9320   undo_buffer_steps = -1;
9321   redo_buffer_steps = 0;
9322
9323   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9324
9325   level.changed = FALSE;
9326 }
9327
9328 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9329 {
9330   if (remap_toolbox_gadgets)
9331   {
9332     ModifyEditorElementList();
9333     RedrawDrawingElements();
9334   }
9335
9336   if (edit_mode == ED_MODE_LEVELCONFIG)
9337     DrawLevelConfigWindow();
9338   else if (edit_mode == ED_MODE_PROPERTIES)
9339     DrawPropertiesWindow();
9340   else if (edit_mode == ED_MODE_PALETTE)
9341     DrawPaletteWindow();
9342   else  // edit_mode == ED_MODE_DRAWING
9343     DrawDrawingWindowExt(remap_toolbox_gadgets);
9344 }
9345
9346 static void DrawEditModeWindow(void)
9347 {
9348   DrawEditModeWindowExt(TRUE);
9349 }
9350
9351 static void DrawEditModeWindow_PlayfieldOnly(void)
9352 {
9353   DrawEditModeWindowExt(FALSE);
9354 }
9355
9356 static void ChangeEditModeWindow(int new_edit_mode)
9357 {
9358   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9359
9360   DrawEditModeWindow();
9361 }
9362
9363 static boolean LevelChanged(void)
9364 {
9365   boolean field_changed = FALSE;
9366   int x, y;
9367
9368   for (y = 0; y < lev_fieldy; y++)
9369     for (x = 0; x < lev_fieldx; x++)
9370       if (Tile[x][y] != level.field[x][y])
9371         field_changed = TRUE;
9372
9373   return (level.changed || field_changed);
9374 }
9375
9376 static boolean PrepareSavingIntoPersonalLevelSet(void)
9377 {
9378   static LevelDirTree *last_copied_leveldir = NULL;
9379   static LevelDirTree *last_written_leveldir = NULL;
9380   static int last_copied_level_nr = -1;
9381   static int last_written_level_nr = -1;
9382   LevelDirTree *leveldir_former = leveldir_current;
9383   int level_nr_former = level_nr;
9384   int new_level_nr;
9385
9386   // remember last mod/save so that for current session, we write
9387   // back to the same personal copy, asking only about overwrite.
9388   if (leveldir_current == last_copied_leveldir &&
9389       level_nr == last_copied_level_nr)
9390   {
9391     // "cd" to personal level set dir (as used when writing last copy)
9392     leveldir_current = last_written_leveldir;
9393     level_nr = last_written_level_nr;
9394
9395     return TRUE;
9396   }
9397
9398   if (!Request("This level is read-only! "
9399                "Save into personal level set?", REQ_ASK))
9400     return FALSE;
9401
9402   // "cd" to personal level set dir (for writing copy the first time)
9403   leveldir_current =
9404     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9405
9406   // this may happen if "setup.internal.create_user_levelset" is FALSE
9407   // or if file "levelinfo.conf" is missing in personal user level set
9408   if (leveldir_current == NULL)
9409   {
9410     Request("Cannot find personal level set?!", REQ_CONFIRM);
9411
9412     leveldir_current = leveldir_former;
9413
9414     return FALSE;
9415   }
9416
9417   // find unused level number
9418   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9419   {
9420     static char *level_filename = NULL;
9421
9422     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9423
9424     if (!fileExists(level_filename))
9425       break;
9426   }
9427
9428   last_copied_leveldir = leveldir_former;
9429   last_copied_level_nr = level_nr_former;
9430
9431   last_written_leveldir = leveldir_current;
9432   last_written_level_nr = level_nr = new_level_nr;
9433
9434   return TRUE;
9435 }
9436
9437 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9438 {
9439   static char *filename_levelinfo = NULL, *mod_name = NULL;
9440   FILE *file;
9441
9442   // annotate this copy-and-mod in personal levelinfo.conf
9443   setString(&filename_levelinfo,
9444             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9445
9446   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9447   {
9448     fprintf(file, "\n");
9449     fprintf(file, "# level %d was modified from:\n", level_nr);
9450     fprintf(file, "# - previous level set name:    %s\n",
9451             former_name);
9452     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9453             level.file_info.nr, level.name);
9454     fprintf(file, "# - previous author:            %s\n",
9455             level.author);
9456     fprintf(file, "# - previous save date:         ");
9457
9458     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9459     {
9460       fprintf(file, "%04d-%02d-%02d\n",
9461               level.creation_date.year,
9462               level.creation_date.month,
9463               level.creation_date.day);
9464     }
9465     else
9466     {
9467       fprintf(file, "not recorded\n");
9468     }
9469
9470     fclose(file);
9471   }
9472
9473   if (level_nr > leveldir_current->last_level)
9474     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9475
9476   // else: allow the save even if annotation failed
9477
9478   // now... spray graffiti on the old level vital statistics
9479   // user can change these; just trying to set a good baseline
9480
9481   // don't truncate names for fear of making offensive or silly:
9482   // long-named original author only recorded in levelinfo.conf.
9483   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9484   if (!strEqual(level.author, leveldir_current->author))
9485   {
9486     setString(&mod_name, getStringCat3(leveldir_current->author,
9487                                        " after ", level.author));
9488
9489     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9490       setString(&mod_name,
9491                 getStringCat2(leveldir_current->author, " (ed.)"));
9492
9493     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9494       setString(&mod_name, leveldir_current->author);
9495
9496     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9497
9498     // less worried about truncation here
9499     setString(&mod_name, getStringCat2("Mod: ", level.name));
9500     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9501   }
9502 }
9503
9504 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9505                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9506 {
9507   int x, y;
9508
9509   for (x = 0; x < lev_fieldx; x++)
9510     for (y = 0; y < lev_fieldy; y++)
9511       dst[x][y] = src[x][y];
9512 }
9513
9514 static int setSelectboxValue(int selectbox_id, int new_value)
9515 {
9516   int new_index_value = 0;
9517   int i;
9518
9519   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9520     if (selectbox_info[selectbox_id].options[i].value == new_value)
9521       new_index_value = i;
9522
9523   *selectbox_info[selectbox_id].value =
9524     selectbox_info[selectbox_id].options[new_index_value].value;
9525
9526   return new_index_value;
9527 }
9528
9529 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9530 {
9531   int i;
9532
9533   // change action mode and arg variables according to action type variable
9534   for (i = 0; action_arg_options[i].value != -1; i++)
9535   {
9536     if (action_arg_options[i].value == custom_element_change.action_type)
9537     {
9538       int mode = action_arg_options[i].mode;
9539
9540       // only change if corresponding selectbox has changed
9541       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9542           action_arg_modes[mode])
9543         custom_element_change.action_mode = -1;
9544
9545       // only change if corresponding selectbox has changed
9546       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9547           action_arg_options[i].options)
9548         custom_element_change.action_arg = -1;
9549
9550       break;
9551     }
9552   }
9553 }
9554
9555 static void setSelectboxSpecialActionOptions(void)
9556 {
9557   int i;
9558
9559   // change action mode and arg selectbox according to action type selectbox
9560   for (i = 0; action_arg_options[i].value != -1; i++)
9561   {
9562     if (action_arg_options[i].value == custom_element_change.action_type)
9563     {
9564       int mode = action_arg_options[i].mode;
9565
9566       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9567                                    action_arg_modes[mode]);
9568       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9569                                  custom_element_change.action_mode);
9570
9571       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9572                                    action_arg_options[i].options);
9573       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9574                                  custom_element_change.action_arg);
9575       break;
9576     }
9577   }
9578 }
9579
9580 static void copy_custom_element_settings(int element_from, int element_to)
9581 {
9582   struct ElementInfo *ei_from = &element_info[element_from];
9583   struct ElementInfo *ei_to = &element_info[element_to];
9584
9585   copyElementInfo(ei_from, ei_to);
9586 }
9587
9588 static void replace_custom_element_in_settings(int element_from,
9589                                                int element_to)
9590 {
9591   int i, j, x, y;
9592
9593   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9594   {
9595     struct ElementInfo *ei = &element_info[i];
9596
9597     for (y = 0; y < 3; y++)
9598       for (x = 0; x < 3; x++)
9599         if (ei->content.e[x][y] == element_from)
9600           ei->content.e[x][y] = element_to;
9601
9602     for (j = 0; j < ei->num_change_pages; j++)
9603     {
9604       struct ElementChangeInfo *change = &ei->change_page[j];
9605
9606       if (change->target_element == element_from)
9607         change->target_element = element_to;
9608
9609       if (change->initial_trigger_element == element_from)
9610         change->initial_trigger_element = element_to;
9611
9612       if (change->action_element == element_from)
9613         change->action_element = element_to;
9614
9615       for (y = 0; y < 3; y++)
9616         for (x = 0; x < 3; x++)
9617           if (change->target_content.e[x][y] == element_from)
9618             change->target_content.e[x][y] = element_to;
9619     }
9620
9621     if (ei->group != NULL)                              // group or internal
9622       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9623         if (ei->group->element[j] == element_from)
9624           ei->group->element[j] = element_to;
9625   }
9626 }
9627
9628 static void replace_custom_element_in_playfield(int element_from,
9629                                                 int element_to)
9630 {
9631   int x, y;
9632
9633   for (x = 0; x < lev_fieldx; x++)
9634     for (y = 0; y < lev_fieldy; y++)
9635       if (Tile[x][y] == element_from)
9636         Tile[x][y] = element_to;
9637 }
9638
9639 static boolean CopyCustomElement(int element_old, int element_new,
9640                                  int copy_mode)
9641 {
9642   int copy_mode_orig = copy_mode;
9643
9644   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9645   {
9646     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9647                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9648     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9649   }
9650   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9651   {
9652     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9653                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9654     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9655
9656     level.changed = TRUE;
9657   }
9658   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9659   {
9660     Request("Please choose custom element!", REQ_CONFIRM);
9661
9662     return FALSE;
9663   }
9664   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9665   {
9666     Request("Please choose group element!", REQ_CONFIRM);
9667
9668     return FALSE;
9669   }
9670   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9671   {
9672     Request("Please choose empty element!", REQ_CONFIRM);
9673
9674     return FALSE;
9675   }
9676   else
9677   {
9678     level.changed = TRUE;
9679   }
9680
9681   // when modifying custom/group element, ask for copying level template
9682   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9683   {
9684     if (!AskToCopyAndModifyLevelTemplate())
9685       return FALSE;
9686   }
9687
9688   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9689   {
9690     copy_custom_element_settings(element_new, element_old);
9691   }
9692   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9693   {
9694     copy_custom_element_settings(element_old, element_new);
9695   }
9696   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9697   {
9698     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9699     copy_custom_element_settings(element_new, element_old);
9700     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9701
9702     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9703     replace_custom_element_in_settings(element_new, element_old);
9704     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9705
9706     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9707     replace_custom_element_in_playfield(element_new, element_old);
9708     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9709   }
9710
9711   UpdateCustomElementGraphicGadgets();
9712   DrawPropertiesWindow();
9713
9714   return TRUE;
9715 }
9716
9717 static void CopyCustomElementPropertiesToEditor(int element)
9718 {
9719   int i;
9720   int current_change_page = element_info[element].current_change_page;
9721
9722   // dynamically (re)build selectbox for selecting change page
9723   for (i = 0; i < element_info[element].num_change_pages; i++)
9724   {
9725     sprintf(options_change_page_strings[i], "%d", i + 1);
9726
9727     options_change_page[i].value = i;
9728     options_change_page[i].text = options_change_page_strings[i];
9729   }
9730
9731   options_change_page[i].value = -1;
9732   options_change_page[i].text = NULL;
9733
9734   // needed here to initialize combined element properties
9735   InitElementPropertiesEngine(level.game_version);
9736
9737   element_info[element].change =
9738     &element_info[element].change_page[current_change_page];
9739
9740   custom_element = element_info[element];
9741   custom_element_change = *element_info[element].change;
9742
9743   // needed to initially set selectbox options for special action options
9744   setSelectboxSpecialActionOptions();
9745
9746   // needed to initially set selectbox value variables to reliable defaults
9747   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9748     setSelectboxValue(i, *selectbox_info[i].value);
9749
9750   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9751     custom_element_properties[i] = HAS_PROPERTY(element, i);
9752
9753   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9754     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9755
9756   // ---------- element settings: configure (custom elements) -----------------
9757
9758   // set accessible layer selectbox help value
9759   custom_element.access_type =
9760     (IS_WALKABLE(element) ? EP_WALKABLE :
9761      IS_PASSABLE(element) ? EP_PASSABLE :
9762      custom_element.access_type);
9763   custom_element.access_layer =
9764     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9765      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9766      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9767      custom_element.access_layer);
9768   custom_element.access_protected =
9769     (IS_PROTECTED(element) ? 1 : 0);
9770   custom_element_properties[EP_ACCESSIBLE] =
9771     (IS_ACCESSIBLE_OVER(element) ||
9772      IS_ACCESSIBLE_INSIDE(element) ||
9773      IS_ACCESSIBLE_UNDER(element));
9774
9775   // set walk-to-object action selectbox help value
9776   custom_element.walk_to_action =
9777     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9778      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9779      IS_DROPPABLE(element) ? EP_DROPPABLE :
9780      IS_THROWABLE(element) ? EP_THROWABLE :
9781      IS_PUSHABLE(element) ? EP_PUSHABLE :
9782      custom_element.walk_to_action);
9783   custom_element_properties[EP_WALK_TO_OBJECT] =
9784     (IS_DIGGABLE(element) ||
9785      IS_COLLECTIBLE_ONLY(element) ||
9786      IS_DROPPABLE(element) ||
9787      IS_THROWABLE(element) ||
9788      IS_PUSHABLE(element));
9789
9790   // set smash targets selectbox help value
9791   custom_element.smash_targets =
9792     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9793      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9794      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9795      custom_element.smash_targets);
9796   custom_element_properties[EP_CAN_SMASH] =
9797     (CAN_SMASH_EVERYTHING(element) ||
9798      CAN_SMASH_ENEMIES(element) ||
9799      CAN_SMASH_PLAYER(element));
9800
9801   // set deadliness selectbox help value
9802   custom_element.deadliness =
9803     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9804      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9805      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9806      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9807      custom_element.deadliness);
9808   custom_element_properties[EP_DEADLY] =
9809     (DONT_TOUCH(element) ||
9810      DONT_GET_HIT_BY(element) ||
9811      DONT_COLLIDE_WITH(element) ||
9812      DONT_RUN_INTO(element));
9813
9814   // ---------- element settings: advanced (custom elements) ------------------
9815
9816   // set "change by direct action" selectbox help value
9817   custom_element_change.direct_action =
9818     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9819      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9820      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9821      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9822      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9823      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9824      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9825      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9826      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9827      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9828      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9829      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9830      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9831      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9832      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9833      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9834      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9835      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9836      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9837      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9838      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9839      custom_element_change.direct_action);
9840
9841   // set "change by other element action" selectbox help value
9842   custom_element_change.other_action =
9843     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9844      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9845      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9846      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9847      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9848      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9849      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9850      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9851      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9852      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9853      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9854      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9855      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9856      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9857      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9858      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9859      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9860      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9861      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9862      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9863      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9864      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9865      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9866      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9867      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9868      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9869      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9870      custom_element_change.other_action);
9871 }
9872
9873 static void CopyGroupElementPropertiesToEditor(int element)
9874 {
9875   group_element_info = *element_info[element].group;
9876   custom_element = element_info[element];       // needed for description
9877 }
9878
9879 static void CopyEmptyElementPropertiesToEditor(int element)
9880 {
9881   custom_element = element_info[element];
9882 }
9883
9884 static void CopyClassicElementPropertiesToEditor(int element)
9885 {
9886   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9887     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9888       getMoveIntoAcidProperty(&level, element);
9889
9890   if (MAYBE_DONT_COLLIDE_WITH(element))
9891     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9892       getDontCollideWithProperty(&level, element);
9893 }
9894
9895 static void CopyElementPropertiesToEditor(int element)
9896 {
9897   if (IS_CUSTOM_ELEMENT(element))
9898     CopyCustomElementPropertiesToEditor(element);
9899   else if (IS_GROUP_ELEMENT(element))
9900     CopyGroupElementPropertiesToEditor(element);
9901   else if (IS_EMPTY_ELEMENT(element))
9902     CopyEmptyElementPropertiesToEditor(element);
9903   else
9904     CopyClassicElementPropertiesToEditor(element);
9905 }
9906
9907 static boolean AskToCopyAndModifyLevelTemplate(void)
9908 {
9909   if (Request("Copy and modify settings from level template?", REQ_ASK))
9910   {
9911     level.use_custom_template = FALSE;
9912
9913     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9914                  GDI_CHECKED, FALSE, GDI_END);
9915     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9916                  GDI_CHECKED, FALSE, GDI_END);
9917
9918     return TRUE;
9919   }
9920   else
9921   {
9922     LoadLevelTemplate(-1);      // this resets all element modifications ...
9923
9924     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9925
9926     return FALSE;
9927   }
9928 }
9929
9930 static void CopyCustomElementPropertiesToGame(int element)
9931 {
9932   int i;
9933   int access_type_and_layer;
9934
9935   // mark that this custom element has been modified
9936   custom_element.modified_settings = TRUE;
9937   level.changed = TRUE;
9938
9939   if (level.use_custom_template)
9940     AskToCopyAndModifyLevelTemplate();
9941
9942   element_info[element] = custom_element;
9943   *element_info[element].change = custom_element_change;
9944
9945   // ---------- element settings: configure (custom elements) -----------------
9946
9947   // set accessible property from checkbox and selectbox
9948   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9949   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9950   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9951   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9952   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9953   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9954   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9955                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9956                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9957   custom_element_properties[access_type_and_layer] =
9958     custom_element_properties[EP_ACCESSIBLE];
9959   custom_element_properties[EP_PROTECTED] =
9960     (custom_element.access_protected != 0 &&
9961      custom_element_properties[EP_ACCESSIBLE]);
9962
9963   // set walk-to-object property from checkbox and selectbox
9964   custom_element_properties[EP_DIGGABLE] = FALSE;
9965   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9966   custom_element_properties[EP_DROPPABLE] = FALSE;
9967   custom_element_properties[EP_THROWABLE] = FALSE;
9968   custom_element_properties[EP_PUSHABLE] = FALSE;
9969   custom_element_properties[custom_element.walk_to_action] =
9970     custom_element_properties[EP_WALK_TO_OBJECT];
9971
9972   // set smash property from checkbox and selectbox
9973   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9974   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9975   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9976   custom_element_properties[custom_element.smash_targets] =
9977     custom_element_properties[EP_CAN_SMASH];
9978
9979   // set deadliness property from checkbox and selectbox
9980   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9981   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9982   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9983   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9984   custom_element_properties[custom_element.deadliness] =
9985     custom_element_properties[EP_DEADLY];
9986
9987   // ---------- element settings: advanced (custom elements) ------------------
9988
9989   // set player change event from checkbox and selectbox
9990   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9991   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9992   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9993   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9994   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9995   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9996   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9997   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9998   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9999   custom_element_change_events[CE_SWITCHED] = FALSE;
10000   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
10001   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
10002   custom_element_change_events[CE_BLOCKED] = FALSE;
10003   custom_element_change_events[CE_IMPACT] = FALSE;
10004   custom_element_change_events[CE_SMASHED] = FALSE;
10005   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
10006   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
10007   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
10008   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
10009   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
10010   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
10011   custom_element_change_events[custom_element_change.direct_action] =
10012     custom_element_change_events[CE_BY_DIRECT_ACTION];
10013
10014   // set other element action change event from checkbox and selectbox
10015   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
10016   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
10017   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
10018   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
10019   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
10020   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
10021   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
10022   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
10023   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
10024   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
10025   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
10026   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
10027   custom_element_change_events[CE_TOUCHING_X] = FALSE;
10028   custom_element_change_events[CE_HITTING_X] = FALSE;
10029   custom_element_change_events[CE_DIGGING_X] = FALSE;
10030   custom_element_change_events[CE_HIT_BY_X] = FALSE;
10031   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
10032   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
10033   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
10034   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
10035   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
10036   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
10037   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
10038   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
10039   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
10040   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
10041   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
10042   custom_element_change_events[custom_element_change.other_action] =
10043     custom_element_change_events[CE_BY_OTHER_ACTION];
10044
10045   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
10046     SET_PROPERTY(element, i, custom_element_properties[i]);
10047
10048   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
10049     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
10050
10051   // copy change events also to special level editor variable
10052   custom_element = element_info[element];
10053   custom_element_change = *element_info[element].change;
10054
10055   // needed here to restore runtime value "element_info[element].gfx_element"
10056   InitElementPropertiesGfxElement();
10057 }
10058
10059 static void CopyGroupElementPropertiesToGame(int element)
10060 {
10061   // mark that this group element has been modified
10062   custom_element.modified_settings = TRUE;
10063   level.changed = TRUE;
10064
10065   if (level.use_custom_template)
10066     AskToCopyAndModifyLevelTemplate();
10067
10068   element_info[element] = custom_element;
10069   *element_info[element].group = group_element_info;
10070
10071   // needed here to restore runtime value "element_info[element].gfx_element"
10072   InitElementPropertiesGfxElement();
10073 }
10074
10075 static void CopyEmptyElementPropertiesToGame(int element)
10076 {
10077   // mark that this empty element has been modified
10078   custom_element.modified_settings = TRUE;
10079   level.changed = TRUE;
10080
10081   if (level.use_custom_template)
10082     AskToCopyAndModifyLevelTemplate();
10083
10084   element_info[element] = custom_element;
10085
10086   // needed here to restore runtime value "element_info[element].gfx_element"
10087   InitElementPropertiesGfxElement();
10088 }
10089
10090 static void CopyClassicElementPropertiesToGame(int element)
10091 {
10092   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
10093     setMoveIntoAcidProperty(&level, element,
10094                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
10095
10096   if (MAYBE_DONT_COLLIDE_WITH(element))
10097     setDontCollideWithProperty(&level, element,
10098                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
10099 }
10100
10101 static void CopyElementPropertiesToGame(int element)
10102 {
10103   if (IS_CUSTOM_ELEMENT(element))
10104     CopyCustomElementPropertiesToGame(element);
10105   else if (IS_GROUP_ELEMENT(element))
10106     CopyGroupElementPropertiesToGame(element);
10107   else if (IS_EMPTY_ELEMENT(element))
10108     CopyEmptyElementPropertiesToGame(element);
10109   else
10110     CopyClassicElementPropertiesToGame(element);
10111 }
10112
10113 #if DEBUG
10114 static void CheckElementDescriptions(void)
10115 {
10116   int i;
10117
10118   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10119     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10120       Warn("no element description file for element '%s'", EL_NAME(i));
10121 }
10122 #endif
10123
10124 static int getMaxEdFieldX(boolean has_scrollbar)
10125 {
10126   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10127   int sxsize = SXSIZE - scrollbar_width;
10128   int max_ed_fieldx = sxsize / ed_tilesize;
10129
10130   return max_ed_fieldx;
10131 }
10132
10133 static int getMaxEdFieldY(boolean has_scrollbar)
10134 {
10135   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10136                          INFOTEXT_YSIZE_FULL : 0);
10137   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10138   int sysize = SYSIZE - scrollbar_height - infotext_height;
10139   int max_ed_fieldy = sysize / ed_tilesize;
10140
10141   return max_ed_fieldy;
10142 }
10143
10144 static void InitZoomLevelSettings(int zoom_tilesize)
10145 {
10146   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10147
10148   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10149   {
10150     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10151     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10152
10153     // make sure that tile size is always a power of 2
10154     ed_tilesize = (1 << log_2(ed_tilesize));
10155
10156     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10157     {
10158       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10159       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10160     }
10161   }
10162
10163   last_game_engine_type = level.game_engine_type;
10164
10165   // limit zoom tilesize by upper and lower bound
10166   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10167
10168   // store zoom tilesize in auto setup file only if it was manually changed
10169   if (zoom_tilesize != -1)
10170     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10171
10172   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10173   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10174 }
10175
10176 static void InitDrawingElements(void)
10177 {
10178   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10179
10180   if (level.game_engine_type == game_engine_type_last)
10181     return;
10182
10183   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10184   {
10185     new_element1 = EL_BD_WALL;
10186     new_element2 = EL_EMPTY;
10187     new_element3 = EL_BD_SAND;
10188   }
10189   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10190   {
10191     new_element1 = EL_SP_CHIP_SINGLE;
10192     new_element2 = EL_EMPTY;
10193     new_element3 = EL_SP_BASE;
10194   }
10195   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10196   {
10197     new_element1 = EL_MM_MIRROR_START;
10198     new_element2 = EL_EMPTY;
10199     new_element3 = EL_MM_WOODEN_WALL;
10200   }
10201   else
10202   {
10203     new_element1 = EL_WALL;
10204     new_element2 = EL_EMPTY;
10205     new_element3 = EL_SAND;
10206   }
10207
10208   game_engine_type_last = level.game_engine_type;
10209 }
10210
10211 static void InitLevelSetInfo(void)
10212 {
10213   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10214            "%s", leveldir_current->name);
10215   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10216            "%s", leveldir_current->author);
10217
10218   levelset_num_levels = leveldir_current->levels;
10219
10220   levelset_use_levelset_artwork = FALSE;
10221   levelset_copy_level_template = FALSE;
10222
10223   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10224 }
10225
10226 static void ChangeEditorToLevelSet(char *levelset_subdir)
10227 {
10228   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10229
10230   // the previous level set might have used custom artwork
10231   ReloadCustomArtwork(0);
10232
10233   LoadLevelSetup_SeriesInfo();
10234
10235   SaveLevelSetup_LastSeries();
10236   SaveLevelSetup_SeriesInfo();
10237
10238   TapeErase();
10239
10240   LoadLevel(level_nr);
10241   LoadScore(level_nr);
10242
10243   DrawLevelEd();
10244 }
10245
10246 static boolean useEditorDoorAnimation(void)
10247 {
10248   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10249   boolean door_1_viewport_unchanged =
10250     (vp_door_1->x      == DX     &&
10251      vp_door_1->y      == DY     &&
10252      vp_door_1->width  == DXSIZE &&
10253      vp_door_1->height == DYSIZE);
10254   boolean door_1_contains_toolbox =
10255     (EX >= DX &&
10256      EY >= DY &&
10257      EX + EXSIZE <= DX + DXSIZE &&
10258      EY + EYSIZE <= DY + DYSIZE);
10259
10260   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10261 }
10262
10263 static void DrawEditorDoorBackground(int graphic, int x, int y,
10264                                      int width, int height)
10265 {
10266   struct GraphicInfo *g = &graphic_info[graphic];
10267
10268   if (g->bitmap != NULL)
10269     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10270                MIN(width, g->width), MIN(height, g->height), x, y);
10271   else
10272     ClearRectangle(drawto, x, y, width, height);
10273 }
10274
10275 static void DrawEditorDoorContent(void)
10276 {
10277   // needed for gadgets drawn on background (like palette scrollbar)
10278   SetDoorBackgroundImage(IMG_UNDEFINED);
10279
10280   // copy default editor door content to main double buffer
10281   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10282
10283   // draw bigger door
10284   DrawSpecialEditorDoor();
10285
10286   // draw new control window
10287   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10288
10289   // draw all toolbox gadgets to editor doors
10290   MapControlButtons();
10291
10292   // when returning from test game to properties page, redraw toolbox gadgets
10293   if (edit_mode == ED_MODE_PROPERTIES)
10294   {
10295     UnmapLevelEditorToolboxDrawingGadgets();
10296     UnmapLevelEditorToolboxCustomGadgets();
10297
10298     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10299   }
10300
10301   // draw all palette gadgets to editor doors
10302   ModifyEditorElementList();
10303   RedrawDrawingElements();
10304
10305   // copy actual editor door content to door double buffer for OpenDoor()
10306   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10307 }
10308
10309 void DrawLevelEd(void)
10310 {
10311   int fade_mask = REDRAW_FIELD;
10312
10313   FadeSoundsAndMusic();
10314
10315   if (CheckFadeAll())
10316     fade_mask = REDRAW_ALL;
10317
10318   FadeOut(fade_mask);
10319
10320   // needed if different viewport properties defined for editor
10321   ChangeViewportPropertiesIfNeeded();
10322
10323   ClearField();
10324
10325   InitZoomLevelSettings(-1);
10326   InitDrawingElements();
10327   InitLevelSetInfo();
10328
10329 #if DEBUG
10330   CheckElementDescriptions();
10331 #endif
10332
10333   if (level_editor_test_game)
10334   {
10335     CopyPlayfield(level.field, Tile);
10336     CopyPlayfield(TileBackup, level.field);
10337
10338     level_editor_test_game = FALSE;
10339   }
10340   else
10341   {
10342     edit_mode = ED_MODE_DRAWING;
10343     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10344     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10345
10346     ResetUndoBuffer();
10347
10348     level_xpos = -1;
10349     level_ypos = -1;
10350   }
10351
10352   // redraw_mask |= REDRAW_ALL;
10353
10354   FreeLevelEditorGadgets();
10355   CreateLevelEditorGadgets();
10356
10357   ReinitializeElementList();            // update dynamic level element list
10358   ReinitializeElementListButtons();     // custom element may look different
10359
10360   InitElementPropertiesGfxElement();
10361
10362   UnmapAllGadgets();
10363
10364   DrawEditModeWindow_PlayfieldOnly();
10365
10366   DrawMaskedBorder(fade_mask);
10367
10368   // use door animation if door 1 viewport is unchanged and contains toolbox
10369   if (useEditorDoorAnimation())
10370   {
10371     FadeIn(fade_mask);
10372
10373     DrawEditorDoorContent();
10374
10375     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10376   }
10377   else
10378   {
10379     DrawEditorDoorContent();
10380
10381     FadeIn(fade_mask);
10382   }
10383
10384   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10385 }
10386
10387 static void AdjustDrawingAreaGadgets(void)
10388 {
10389   int ed_xsize = lev_fieldx + 2;
10390   int ed_ysize = lev_fieldy + 2;
10391   int max_ed_fieldx = MAX_ED_FIELDX;
10392   int max_ed_fieldy = MAX_ED_FIELDY;
10393   boolean horizontal_scrollbar_needed;
10394   boolean vertical_scrollbar_needed;
10395   int x, y, width, height;
10396
10397   if (suppressBorderElement())
10398   {
10399     ed_xsize = lev_fieldx;
10400     ed_ysize = lev_fieldy;
10401   }
10402
10403   // check if we need any scrollbars
10404   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10405   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10406
10407   // check if we have a smaller editor field because of scrollbars
10408   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10409   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10410
10411   // check again if we now need more scrollbars because of less space
10412   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10413   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10414
10415   // check if editor field gets even smaller after adding new scrollbars
10416   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10417   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10418
10419   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10420   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10421
10422   x = SX + ed_fieldx * ed_tilesize;
10423   y = SY + ed_fieldy * ed_tilesize;
10424
10425   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10426   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10427
10428   // adjust drawing area gadget
10429   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10430                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10431                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10432                GDI_END);
10433
10434   // adjust horizontal scrollbar gadgets
10435   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10436                GDI_Y, y,
10437                GDI_END);
10438   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10439                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10440                GDI_Y, y,
10441                GDI_END);
10442   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10443                GDI_Y, y,
10444                GDI_WIDTH, width,
10445                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10446                GDI_END);
10447
10448   // adjust vertical scrollbar gadgets
10449   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10450                GDI_X, x,
10451                GDI_END);
10452   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10453                GDI_X, x,
10454                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10455                GDI_END);
10456   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10457                GDI_X, x,
10458                GDI_HEIGHT, height,
10459                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10460                GDI_END);
10461 }
10462
10463 static void AdjustLevelScrollPosition(void)
10464 {
10465   if (level_xpos < -1)
10466     level_xpos = -1;
10467   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10468     level_xpos = lev_fieldx - ed_fieldx + 1;
10469   if (lev_fieldx < ed_fieldx - 2)
10470     level_xpos = -1;
10471
10472   if (level_ypos < -1)
10473     level_ypos = -1;
10474   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10475     level_ypos = lev_fieldy - ed_fieldy + 1;
10476   if (lev_fieldy < ed_fieldy - 2)
10477     level_ypos = -1;
10478
10479   if (suppressBorderElement())
10480   {
10481     level_xpos = 0;
10482     level_ypos = 0;
10483   }
10484 }
10485
10486 static void AdjustEditorScrollbar(int id)
10487 {
10488   struct GadgetInfo *gi = level_editor_gadget[id];
10489   int items_max, items_visible, item_position;
10490
10491   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10492   {
10493     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10494     items_visible = ed_fieldx;
10495     item_position = level_xpos + 1;
10496   }
10497   else
10498   {
10499     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10500     items_visible = ed_fieldy;
10501     item_position = level_ypos + 1;
10502   }
10503
10504   if (item_position > items_max - items_visible)
10505     item_position = items_max - items_visible;
10506
10507   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10508                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10509 }
10510
10511 static void AdjustElementListScrollbar(void)
10512 {
10513   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10514   int items_max, items_visible, item_position;
10515
10516   // correct position of element list scrollbar
10517   if (element_shift < 0)
10518     element_shift = 0;
10519   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10520     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10521
10522   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10523   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10524   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10525
10526   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10527                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10528                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10529 }
10530
10531 static void ModifyEditorCounterValue(int counter_id, int new_value)
10532 {
10533   int *counter_value = counterbutton_info[counter_id].value;
10534   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10535   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10536
10537   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10538
10539   if (counter_value != NULL)
10540     *counter_value = gi->textinput.number_value;
10541 }
10542
10543 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10544 {
10545   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10546   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10547
10548   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10549
10550   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10551       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10552   {
10553     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10554     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10555
10556     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10557     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10558                  GDI_END);
10559   }
10560 }
10561
10562 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10563 {
10564   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10565   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10566   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10567
10568   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10569 }
10570
10571 static void ModifyEditorSelectboxOptions(int selectbox_id,
10572                                          struct ValueTextInfo *options)
10573 {
10574   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10575   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10576
10577   selectbox_info[selectbox_id].options = options;
10578
10579   // set index to zero -- list may be shorter now (correct later, if needed)
10580   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10581                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10582 }
10583
10584 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10585 {
10586   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10587   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10588
10589   drawingarea_info[drawingarea_id].area_xsize = xsize;
10590   drawingarea_info[drawingarea_id].area_ysize = ysize;
10591
10592   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10593 }
10594
10595 static void ModifyEditorElementList(void)
10596 {
10597   int i;
10598
10599   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10600     return;
10601
10602   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10603   {
10604     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10605     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10606     struct GadgetDesign *gd = &gi->deco.design;
10607     int element = editor_elements[element_shift + i];
10608     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10609
10610     UnmapGadget(gi);
10611
10612     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10613
10614     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10615
10616     MapGadget(gi);
10617   }
10618 }
10619
10620 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10621 {
10622   int graphic = el2edimg(element);
10623   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10624
10625   if (pos->x == -1 &&
10626       pos->y == -1)
10627     return;
10628
10629   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10630 }
10631
10632 static void ModifyDrawingElementButton(int element, int id)
10633 {
10634   struct GadgetInfo *gi = level_editor_gadget[id];
10635   Bitmap *deco_bitmap;
10636   int deco_x, deco_y;
10637   int tile_size = gi->deco.width;
10638
10639   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10640
10641   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10642 }
10643
10644 static void PickDrawingElement(int button, int element)
10645 {
10646   struct
10647   {
10648     int *new_element;
10649     struct XYTileSize *pos;
10650     int id;
10651   } de, drawing_elements[] =
10652   {
10653     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10654     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10655     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10656   };
10657
10658   if (button < 1 || button > 3)
10659     return;
10660
10661   if (IS_MM_WALL(element))
10662     element = map_mm_wall_element(element);
10663
10664   de = drawing_elements[button - 1];
10665
10666   *de.new_element = element;    // update global drawing element variable
10667
10668   DrawDrawingElementGraphic(element, de.pos);
10669   ModifyDrawingElementButton(element, de.id);
10670
10671   redraw_mask |= REDRAW_DOOR_1;
10672 }
10673
10674 static void RedrawDrawingElements(void)
10675 {
10676   PickDrawingElement(1, new_element1);
10677   PickDrawingElement(2, new_element2);
10678   PickDrawingElement(3, new_element3);
10679 }
10680
10681 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10682 {
10683   stick_element_properties_window = FALSE;
10684
10685   SetMainBackgroundImage(IMG_UNDEFINED);
10686   ClearField();
10687
10688   UnmapLevelEditorFieldGadgets();
10689
10690   AdjustDrawingAreaGadgets();
10691   AdjustLevelScrollPosition();
10692   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10693   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10694
10695   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10696
10697   MapMainDrawingArea();
10698
10699   if (remap_toolbox_gadgets)
10700   {
10701     UnmapLevelEditorToolboxCustomGadgets();
10702     MapLevelEditorToolboxDrawingGadgets();
10703   }
10704 }
10705
10706 static void DrawDrawingWindow(void)
10707 {
10708   DrawDrawingWindowExt(TRUE);
10709 }
10710
10711 static int getTabulatorBarWidth(void)
10712 {
10713   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10714   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10715
10716   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10717 }
10718
10719 static int getTabulatorBarHeight(void)
10720 {
10721   return ED_TAB_BAR_HEIGHT;
10722 }
10723
10724 static Pixel getTabulatorBarColor(void)
10725 {
10726   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10727   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10728   int gd_x = gd->x + gd_gi1->border.width / 2;
10729   int gd_y = gd->y + gd_gi1->height - 1;
10730
10731   return GetPixel(gd->bitmap, gd_x, gd_y);
10732 }
10733
10734 static void DrawLevelConfigTabulatorGadgets(void)
10735 {
10736   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10737   Pixel tab_color = getTabulatorBarColor();
10738   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10739   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10740   int i;
10741
10742   // draw additional "engine" tabulator when using native BD engine
10743   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10744     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10745
10746   for (i = id_first; i <= id_last; i++)
10747   {
10748     int gadget_id = textbutton_info[i].gadget_id;
10749     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10750     boolean active = (i != edit_mode_levelconfig);
10751
10752     // draw background line below tabulator button
10753     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10754
10755     // draw solid line below inactive tabulator buttons
10756     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10757       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10758                     ED_GADGET_TINY_DISTANCE, tab_color);
10759
10760     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10761     MapTextbuttonGadget(i);
10762   }
10763
10764   // draw little border line below tabulator buttons
10765   if (tab_color != BLACK_PIXEL)                 // black => transparent
10766     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10767                   ED_GADGET_TINY_DISTANCE,
10768                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10769 }
10770
10771 static void DrawPropertiesTabulatorGadgets(void)
10772 {
10773   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10774   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10775   int gd_x = gd->x + gd_gi1->border.width / 2;
10776   int gd_y = gd->y + gd_gi1->height - 1;
10777   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10778   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10779   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10780   int i;
10781
10782   // draw two config tabulators for player elements
10783   if (IS_PLAYER_ELEMENT(properties_element))
10784     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10785
10786   // draw two config and one "change" tabulator for custom elements
10787   if (IS_CUSTOM_ELEMENT(properties_element))
10788     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10789
10790   for (i = id_first; i <= id_last; i++)
10791   {
10792     int gadget_id = textbutton_info[i].gadget_id;
10793     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10794     boolean active = (i != edit_mode_properties);
10795
10796     // use "config 1" and "config 2" instead of "config" for players and CEs
10797     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10798         (IS_PLAYER_ELEMENT(properties_element) ||
10799          IS_CUSTOM_ELEMENT(properties_element)))
10800       continue;
10801
10802     // draw background line below tabulator button
10803     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10804
10805     // draw solid line below inactive tabulator buttons
10806     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10807       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10808                     ED_GADGET_TINY_DISTANCE, tab_color);
10809
10810     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10811     MapTextbuttonGadget(i);
10812   }
10813
10814   // draw little border line below tabulator buttons
10815   if (tab_color != BLACK_PIXEL)                 // black => transparent
10816     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10817                   ED_GADGET_TINY_DISTANCE,
10818                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10819 }
10820
10821 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10822 {
10823   DrawText(SX + xpos, SY + ypos, text, font_nr);
10824 }
10825
10826 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10827                                            int xpos, int ypos)
10828 {
10829   int font_width = getFontWidth(font_nr);
10830   int font_height = getFontHeight(font_nr);
10831   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10832   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10833
10834   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10835                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10836                       TRUE, FALSE, FALSE);
10837 }
10838
10839 static void DrawLevelConfigLevel(void)
10840 {
10841   int i;
10842
10843   // draw counter gadgets
10844   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10845     MapCounterButtons(i);
10846
10847   // draw checkbutton gadgets
10848   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10849     MapCheckbuttonGadget(i);
10850
10851   // draw selectbox gadgets
10852   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10853     MapSelectboxGadget(i);
10854
10855   // draw text input gadgets
10856   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10857     MapTextInputGadget(i);
10858 }
10859
10860 static char *getLevelSubdirFromSaveMode(int save_mode)
10861 {
10862   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10863     return getNewUserLevelSubdir();
10864
10865   return leveldir_current->subdir;
10866 }
10867
10868 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10869 {
10870   char *directory_text = "Level set directory:";
10871   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10872   int font1_nr = FONT_TEXT_1;
10873   int font2_nr = FONT_TEXT_2;
10874   int font1_height = getFontHeight(font1_nr);
10875   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10876   int x = ED_LEVEL_SETTINGS_X(0);
10877   int y = ED_LEVEL_SETTINGS_Y(6);
10878
10879   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10880   PrintInfoText(directory_name, font2_nr, x, y);
10881 }
10882
10883 static void DrawLevelConfigLevelSet(void)
10884 {
10885   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10886   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10887   int i;
10888
10889   // draw counter gadgets
10890   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10891     MapCounterButtons(i);
10892
10893   // draw checkbutton gadgets
10894   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10895   {
10896     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10897         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10898         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10899       continue;
10900
10901     MapCheckbuttonGadget(i);
10902   }
10903
10904   // draw selectbox gadgets
10905   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10906     MapSelectboxGadget(i);
10907
10908   // draw text input gadgets
10909   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10910     MapTextInputGadget(i);
10911
10912   // draw textbutton gadgets
10913   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10914
10915   // draw info text
10916   DrawLevelConfigLevelSet_DirectoryInfo();
10917 }
10918
10919 static void DrawLevelConfigEditor(void)
10920 {
10921   int i;
10922
10923   // draw counter gadgets
10924   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10925     MapCounterButtons(i);
10926
10927   // draw checkbutton gadgets
10928   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10929     MapCheckbuttonGadget(i);
10930
10931   // draw radiobutton gadgets
10932   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10933     MapRadiobuttonGadget(i);
10934
10935   // draw drawing area
10936   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10937
10938   // draw textbutton gadgets
10939   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10940 }
10941
10942 static void DrawLevelConfigEngine(void)
10943 {
10944   int i;
10945
10946   // draw counter gadgets
10947   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10948   {
10949     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10950     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10951   }
10952   else
10953   {
10954     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10955     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10956   }
10957
10958   // draw checkbutton gadgets
10959   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10960     MapCheckbuttonGadget(i);
10961
10962   // draw selectbox gadgets
10963   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10964     MapSelectboxGadget(i);
10965 }
10966
10967 static void DrawLevelConfigWindow(void)
10968 {
10969   char *text = "Global Settings";
10970   int font_nr = FONT_TITLE_1;
10971   struct MenuPosInfo *pos = &editor.settings.headline;
10972   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10973   int sy = SY + pos->y;
10974
10975   stick_element_properties_window = FALSE;
10976
10977   SetAutomaticNumberOfGemsNeeded();
10978
10979   UnmapLevelEditorFieldGadgets();
10980
10981   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10982   ClearField();
10983
10984   DrawText(sx, sy, text, font_nr);
10985
10986   DrawLevelConfigTabulatorGadgets();
10987
10988   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10989     DrawLevelConfigLevel();
10990   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10991     DrawLevelConfigLevelSet();
10992   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10993     DrawLevelConfigEditor();
10994   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10995     DrawLevelConfigEngine();
10996 }
10997
10998 static void DrawCustomContentArea(void)
10999 {
11000   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
11001   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11002   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
11003   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
11004   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
11005   int xoffset = ED_GADGET_SPACE_DISTANCE;
11006
11007   // add distance for potential left text (without drawing area border)
11008   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
11009
11010   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11011
11012   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
11013 }
11014
11015 static void DrawCustomChangeContentArea(void)
11016 {
11017   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
11018   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
11019   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
11020   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
11021   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
11022   int xoffset = ED_GADGET_SPACE_DISTANCE;
11023
11024   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
11025
11026   MapDrawingArea(id);
11027 }
11028
11029 static void RemoveElementContentArea(int id, int font_height)
11030 {
11031   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11032
11033   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
11034                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
11035                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11036                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
11037                  ED_GADGET_TEXT_DISTANCE + font_height);
11038 }
11039
11040 static void DrawYamYamContentAreas(void)
11041 {
11042   int font_nr = FONT_TEXT_1;
11043   int font_height = getFontHeight(font_nr);
11044   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11045   int yoffset = (tilesize - font_height) / 2;
11046   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
11047   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
11048   int i;
11049
11050   // display counter to choose number of element content areas
11051   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
11052
11053   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11054   {
11055     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
11056
11057     if (i < level.num_yamyam_contents)
11058     {
11059       MapDrawingArea(id);
11060     }
11061     else
11062     {
11063       UnmapDrawingArea(id);
11064
11065       // delete content areas in case of reducing number of them
11066       RemoveElementContentArea(id, font_height);
11067     }
11068   }
11069
11070   DrawText(x, y + 0 * tilesize, "content", font_nr);
11071   DrawText(x, y + 1 * tilesize, "when",    font_nr);
11072   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
11073 }
11074
11075 static void DrawMagicBallContentAreas(void)
11076 {
11077   int font_nr = FONT_TEXT_1;
11078   int font_height = getFontHeight(font_nr);
11079   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
11080   int yoffset = (tilesize - font_height) / 2;
11081   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
11082   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
11083   int i;
11084
11085   // display counter to choose number of element content areas
11086   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
11087
11088   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
11089   {
11090     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
11091
11092     if (i < level.num_ball_contents)
11093     {
11094       MapDrawingArea(id);
11095     }
11096     else
11097     {
11098       UnmapDrawingArea(id);
11099
11100       // delete content areas in case of reducing number of them
11101       RemoveElementContentArea(id, font_height);
11102     }
11103   }
11104
11105   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11106   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11107   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11108 }
11109
11110 static void DrawAndroidElementArea(void)
11111 {
11112   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11113   int num_elements = level.num_android_clone_elements;
11114   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11115   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11116   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11117   int xsize = MAX_ANDROID_ELEMENTS;
11118   int ysize = 1;
11119
11120   // display counter to choose number of element areas
11121   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11122
11123   if (drawingarea_info[id].text_left != NULL)
11124     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11125
11126   UnmapDrawingArea(id);
11127
11128   ModifyEditorDrawingArea(id, num_elements, 1);
11129
11130   // delete content areas in case of reducing number of them
11131   DrawBackground(sx, sy,
11132                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11133                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11134
11135   MapDrawingArea(id);
11136 }
11137
11138 static void DrawGroupElementArea(void)
11139 {
11140   int id = ED_DRAWING_ID_GROUP_CONTENT;
11141   int num_elements = group_element_info.num_elements;
11142   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11143   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11144   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11145   int xsize = MAX_ELEMENTS_IN_GROUP;
11146   int ysize = 1;
11147
11148   if (drawingarea_info[id].text_left != NULL)
11149     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11150
11151   UnmapDrawingArea(id);
11152
11153   ModifyEditorDrawingArea(id, num_elements, 1);
11154
11155   // delete content areas in case of reducing number of them
11156   DrawBackground(sx, sy,
11157                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11158                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11159
11160   MapDrawingArea(id);
11161 }
11162
11163 static void DrawPlayerInitialInventoryArea(int element)
11164 {
11165   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11166   int player_nr = GET_PLAYER_NR(element);
11167   int num_elements = level.initial_inventory_size[player_nr];
11168   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11169   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11170   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11171   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11172   int ysize = 1;
11173
11174   // determine horizontal position to the right of specified gadget
11175   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11176     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11177           ED_DRAWINGAREA_TEXT_DISTANCE);
11178
11179   // determine horizontal offset for leading text
11180   if (drawingarea_info[id].text_left != NULL)
11181     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11182
11183   UnmapDrawingArea(id);
11184
11185   ModifyEditorDrawingArea(id, num_elements, 1);
11186
11187   // delete content areas in case of reducing number of them
11188   DrawBackground(sx, sy,
11189                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11190                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11191
11192   MapDrawingArea(id);
11193 }
11194
11195 static void DrawMMBallContentArea(void)
11196 {
11197   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11198   int num_elements = level.num_mm_ball_contents;
11199   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11200   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11201   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11202   int xsize = MAX_MM_BALL_CONTENTS;
11203   int ysize = 1;
11204
11205   if (drawingarea_info[id].text_left != NULL)
11206     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11207
11208   UnmapDrawingArea(id);
11209
11210   ModifyEditorDrawingArea(id, num_elements, 1);
11211
11212   // delete content areas in case of reducing number of them
11213   DrawBackground(sx, sy,
11214                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11215                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11216
11217   MapDrawingArea(id);
11218 }
11219
11220 static void DrawEnvelopeTextArea(int envelope_nr)
11221 {
11222   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11223   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11224
11225   UnmapGadget(gi);
11226
11227   DrawBackground(gi->x, gi->y,
11228                  gi->textarea.crop_width, gi->textarea.crop_height);
11229
11230   if (envelope_nr != -1)
11231     textarea_info[id].value = level.envelope[envelope_nr].text;
11232
11233   ModifyGadget(gi, GDI_AREA_SIZE,
11234                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11235                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11236                GDI_END);
11237
11238   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11239 }
11240
11241 static void DrawPropertiesInfo(void)
11242 {
11243   static struct
11244   {
11245     int value;
11246     char *text;
11247   }
11248   properties[] =
11249   {
11250     // configurable properties
11251
11252     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11253     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11254     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11255     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11256     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11257     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11258     { EP_PROTECTED,             "- player is protected by it"           },
11259
11260     { EP_DIGGABLE,              "- can be digged away"                  },
11261     { EP_COLLECTIBLE,           "- can be collected"                    },
11262     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11263     { EP_THROWABLE,             "- can be thrown after collecting"      },
11264     { EP_PUSHABLE,              "- can be pushed"                       },
11265
11266     { EP_CAN_FALL,              "- can fall"                            },
11267     { EP_CAN_MOVE,              "- can move"                            },
11268
11269     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11270 #if 0
11271     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11272 #endif
11273     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11274
11275     { EP_SLIPPERY,              "- slippery for falling elements"       },
11276     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11277
11278     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11279     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11280     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11281     { EP_DONT_TOUCH,            "- deadly when touching"                },
11282
11283     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11284
11285     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11286     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11287     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11288
11289     { EP_CAN_CHANGE,            "- can change to other element"         },
11290
11291     // pre-defined properties
11292     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11293     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11294     { EP_SWITCHABLE,            "- can be switched"                     },
11295 #if 0
11296     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11297 #endif
11298
11299     { -1,                       NULL                                    }
11300   };
11301   char *filename = getElementDescriptionFilename(properties_element);
11302   char *num_elements_text = "In this level: ";
11303   char *num_similar_text = "Similar tiles: ";
11304   char *properties_text = "Standard properties: ";
11305   char *description_text = "Description:";
11306   char *no_description_text = "No description available.";
11307   char *none_text = "None";
11308   float percentage;
11309   int num_elements_in_level = 0;
11310   int num_similar_in_level = 0;
11311   int num_hires_tiles_in_level = 0;
11312   int num_standard_properties = 0;
11313   int font1_nr = FONT_TEXT_1;
11314   int font2_nr = FONT_TEXT_2;
11315   int font1_width = getFontWidth(font1_nr);
11316   int font1_height = getFontHeight(font1_nr);
11317   int font2_height = getFontHeight(font2_nr);
11318   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11319   int font2_yoffset = (font1_height - font2_height) / 2;
11320   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11321   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11322   int properties_text_len = strlen(properties_text) * font1_width;
11323   int xpos = ED_ELEMENT_SETTINGS_X(0);
11324   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11325   int i, x, y;
11326
11327   if (setup.editor.show_element_token)
11328   {
11329     int font3_nr = FONT_TEXT_3;
11330     int font3_height = getFontHeight(font3_nr);
11331
11332     DrawTextF(xpos, ypos, font3_nr,
11333               "[%s]", element_info[properties_element].token_name);
11334
11335     ypos += 2 * font3_height;
11336   }
11337
11338   // ----- print number of elements / percentage of this element in level
11339
11340   for (y = 0; y < lev_fieldy; y++)
11341   {
11342     for (x = 0; x < lev_fieldx; x++)
11343     {
11344       if (Tile[x][y] == properties_element)
11345       {
11346         num_elements_in_level++;
11347       }
11348       else if (IS_MM_WALL(Tile[x][y]) &&
11349                map_mm_wall_element(Tile[x][y]) == properties_element)
11350       {
11351         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11352       }
11353     }
11354   }
11355
11356   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11357
11358   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11359
11360   if (num_hires_tiles_in_level > 0)
11361     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11362               "%d wall tiles", num_hires_tiles_in_level);
11363   else if (num_elements_in_level > 0)
11364     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11365               "%d (%.2f %%)", num_elements_in_level, percentage);
11366   else
11367     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11368               none_text);
11369
11370   // ----- print number of similar elements / percentage of them in level
11371
11372   for (y = 0; y < lev_fieldy; y++)
11373   {
11374     for (x = 0; x < lev_fieldx; x++)
11375     {
11376       if (strEqual(element_info[Tile[x][y]].class_name,
11377                    element_info[properties_element].class_name))
11378       {
11379         num_similar_in_level++;
11380       }
11381     }
11382   }
11383
11384   if (num_similar_in_level != num_elements_in_level)
11385   {
11386     ypos += 1 * MAX(font1_height, font2_height);
11387
11388     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11389
11390     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11391
11392     if (num_similar_in_level > 0)
11393       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11394                 "%d (%.2f %%)", num_similar_in_level, percentage);
11395     else
11396       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11397                 none_text);
11398   }
11399
11400   ypos += 2 * MAX(font1_height, font2_height);
11401
11402   // ----- print standard properties of this element
11403
11404   DrawTextS(xpos, ypos, font1_nr, properties_text);
11405
11406   ypos += line1_height;
11407
11408   for (i = 0; properties[i].value != -1; i++)
11409   {
11410     if (!HAS_PROPERTY(properties_element, properties[i].value))
11411       continue;
11412
11413     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11414
11415     ypos += font2_height;
11416
11417     num_standard_properties++;
11418   }
11419
11420   if (num_standard_properties == 0)
11421   {
11422     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11423               font2_nr, none_text);
11424
11425     ypos -= (line1_height - font1_height);
11426   }
11427
11428   ypos += MAX(font1_height, font2_height);
11429
11430   // ----- print special description of this element
11431
11432   PrintInfoText(description_text, font1_nr, xpos, ypos);
11433
11434   ypos += line1_height;
11435
11436   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11437     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11438 }
11439
11440 #define TEXT_COLLECTING                 "Score for collecting"
11441 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11442 #define TEXT_SMASHING                   "Score for smashing"
11443 #define TEXT_SLURPING                   "Score for slurping robot"
11444 #define TEXT_CRACKING                   "Score for cracking"
11445 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11446 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11447 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11448 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11449 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11450 #define TEXT_DURATION                   "Duration when activated"
11451 #define TEXT_DELAY_ON                   "Delay before activating"
11452 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11453 #define TEXT_DELAY_CHANGING             "Delay before changing"
11454 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11455 #define TEXT_DELAY_MOVING               "Delay before moving"
11456 #define TEXT_BALL_DELAY                 "Element generation delay"
11457 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11458 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11459 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11460 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11461 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11462 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11463 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11464 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11465 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11466 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11467 #define TEXT_RANDOM_SEED                "slime random number seed"
11468 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11469 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11470 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11471 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11472 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11473 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11474 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11475 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11476 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
11477
11478 static struct
11479 {
11480   int element;
11481   int *value;
11482   char *text;
11483   int min_value;
11484   int max_value;
11485 } elements_with_counter[] =
11486 {
11487   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11488   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11489   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11490   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11491   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11492   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11493   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11494   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11495   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11496   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11497   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11498   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11499   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11500   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11501   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11502   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11503   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11504   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11505   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11506   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11507   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11508   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11509   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11510   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11511   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11512   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11513   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11514   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11515   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11516   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11517   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11518   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11519   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11520   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11521   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11522   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11523   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11524   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11525   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11526   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11527   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11528   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11529   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11530   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11531   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11532   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11533   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11534   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11535   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11536   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11537   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11538   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11539   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11540   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11541   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11542   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11543   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11544   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11545   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11546   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11547   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11548   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11549   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11550   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11551   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11552   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11553   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11554   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11555   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11556   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11557   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11558   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11559   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11560   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11561   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11562   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11563   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11564   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11565   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11566   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11567   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11568   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11569   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11570                                 0, 100                                                          },
11571   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11572                                 0, 100                                                          },
11573   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11574   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11575   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11576                                 0, 100                                                          },
11577   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11578                                 0, 100                                                          },
11579   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11580   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11581   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11582   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11583   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11584   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11585   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11586   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11587   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11588   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11589   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11590                                 -100, 100                                                       },
11591   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11592                                 0, 100                                                          },
11593   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11594                                 0, 100                                                          },
11595   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11596                                 0, 255                                                          },
11597   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11598                                 -1, 65535                                                       },
11599   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11600                                 0, 100                                                          },
11601   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11602                                 0, 3                                                            },
11603   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11604                                 0, 3                                                            },
11605   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11606                                 0, 3                                                            },
11607   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11608                                 0, 3                                                            },
11609   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11610                                 0, 3                                                            },
11611   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11612                                 0, 100                                                          },
11613   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11614                                 1, 100                                                          },
11615   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11616                                 1, 200                                                          },
11617   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11618                                 0, 50                                                           },
11619   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11620                                 0, 50                                                           },
11621   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11622                                 0, 10                                                           },
11623   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
11624   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
11625                                 1, 60                                                           },
11626   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11627   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11628   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11629   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11630   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11631   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11632   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11633   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11634   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11635   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11636   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11637   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11638   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11639   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11640   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11641   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11642   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11643   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11644   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11645   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11646   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11647   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11648   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11649   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11650   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11651
11652   { -1,                         NULL,                                   NULL                    }
11653 };
11654
11655 static boolean checkPropertiesConfig(int element)
11656 {
11657   int i;
11658
11659   // special case: empty space customization only available in R'n'D game engine
11660   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11661     return FALSE;
11662
11663   // special case: BD style rock customization only available in BD game engine
11664   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11665     return FALSE;
11666
11667   if (IS_GEM(element) ||
11668       IS_CUSTOM_ELEMENT(element) ||
11669       IS_GROUP_ELEMENT(element) ||
11670       IS_EMPTY_ELEMENT(element) ||
11671       IS_BALLOON_ELEMENT(element) ||
11672       IS_ENVELOPE(element) ||
11673       IS_MM_ENVELOPE(element) ||
11674       IS_MM_MCDUFFIN(element) ||
11675       IS_DF_LASER(element) ||
11676       IS_PLAYER_ELEMENT(element) ||
11677       IS_BD_PLAYER_ELEMENT(element) ||
11678       IS_BD_FIREFLY(properties_element) ||
11679       IS_BD_FIREFLY_2(properties_element) ||
11680       IS_BD_BUTTERFLY(properties_element) ||
11681       IS_BD_BUTTERFLY_2(properties_element) ||
11682       IS_BD_STONEFLY(properties_element) ||
11683       IS_BD_DRAGONFLY(properties_element) ||
11684       IS_BD_EXPANDABLE_WALL(properties_element) ||
11685       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11686       IS_BD_CONVEYOR_BELT(properties_element) ||
11687       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11688       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11689       HAS_EDITOR_CONTENT(element) ||
11690       CAN_GROW(element) ||
11691       COULD_MOVE_INTO_ACID(element) ||
11692       MAYBE_DONT_COLLIDE_WITH(element) ||
11693       element == EL_BD_SAND ||
11694       element == EL_BD_ROCK ||
11695       element == EL_BD_MEGA_ROCK ||
11696       element == EL_BD_SWEET ||
11697       element == EL_BD_VOODOO_DOLL ||
11698       element == EL_BD_WATER ||
11699       element == EL_BD_GRAVITY_SWITCH)
11700   {
11701     return TRUE;
11702   }
11703   else
11704   {
11705     for (i = 0; elements_with_counter[i].element != -1; i++)
11706       if (elements_with_counter[i].element == element)
11707         return TRUE;
11708   }
11709
11710   return FALSE;
11711 }
11712
11713 static void SetAutomaticNumberOfGemsNeeded(void)
11714 {
11715   int x, y;
11716
11717   if (!level.auto_count_gems)
11718     return;
11719
11720   level.gems_needed = 0;
11721
11722   for (x = 0; x < lev_fieldx; x++)
11723   {
11724     for (y = 0; y < lev_fieldy; y++)
11725     {
11726       int element = Tile[x][y];
11727
11728       switch (element)
11729       {
11730         case EL_EMERALD:
11731         case EL_EMERALD_YELLOW:
11732         case EL_EMERALD_RED:
11733         case EL_EMERALD_PURPLE:
11734         case EL_BD_DIAMOND:
11735         case EL_WALL_EMERALD:
11736         case EL_WALL_EMERALD_YELLOW:
11737         case EL_WALL_EMERALD_RED:
11738         case EL_WALL_EMERALD_PURPLE:
11739         case EL_WALL_BD_DIAMOND:
11740         case EL_NUT:
11741         case EL_SP_INFOTRON:
11742         case EL_MM_KETTLE:
11743         case EL_DF_CELL:
11744           level.gems_needed++;
11745           break;
11746
11747         case EL_DIAMOND:
11748         case EL_WALL_DIAMOND:
11749           level.gems_needed += 3;
11750           break;
11751
11752         case EL_PEARL:
11753         case EL_WALL_PEARL:
11754           level.gems_needed += 5;
11755           break;
11756
11757         case EL_CRYSTAL:
11758         case EL_WALL_CRYSTAL:
11759           level.gems_needed += 8;
11760           break;
11761
11762         default:
11763           break;
11764       }
11765     }
11766   }
11767
11768   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11769 }
11770
11771 static void DrawPropertiesConfig(void)
11772 {
11773   boolean draw_footer_line = FALSE;
11774   int max_num_element_counters = 4;
11775   int num_element_counters = 0;
11776   int i;
11777
11778   if (!checkPropertiesConfig(properties_element))
11779   {
11780     int xpos = ED_ELEMENT_SETTINGS_X(0);
11781     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11782
11783     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11784
11785     return;
11786   }
11787
11788   // check if there are elements where a value can be chosen for
11789   for (i = 0; elements_with_counter[i].element != -1; i++)
11790   {
11791     if (elements_with_counter[i].element != properties_element)
11792       continue;
11793
11794     // special case: score for extra diamonds only available in BD game engine
11795     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11796         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11797         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11798       continue;
11799
11800     // special case: some amoeba counters only available in BD game engine
11801     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11802         elements_with_counter[i].value != &level.amoeba_speed &&
11803         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11804       continue;
11805
11806     // special case: score for smashing only available in R'n'D game engine
11807     if ((IS_BD_FIREFLY(elements_with_counter[i].element) ||
11808          IS_BD_BUTTERFLY(elements_with_counter[i].element)) &&
11809         (elements_with_counter[i].value == &level.score[SC_BUG] ||
11810          elements_with_counter[i].value == &level.score[SC_SPACESHIP]) &&
11811         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11812       continue;
11813
11814     // special case: some amoeba counters only available in R'n'D game engine
11815     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11816         elements_with_counter[i].value == &level.amoeba_speed &&
11817         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11818       continue;
11819
11820     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11821
11822     counterbutton_info[counter_id].y =
11823       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11824                                (CAN_GROW(properties_element)                ? 1 : 0) +
11825                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11826                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11827                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11828                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11829                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11830                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11831                                (properties_element == EL_BD_CREATURE_SWITCH ? 2 : 0) +
11832                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
11833                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11834                                num_element_counters);
11835
11836     // special case: set magic wall counter for BD game engine separately
11837     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11838       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11839
11840     // special case: set amoeba counters for BD game engine separately
11841     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11842         (properties_element == EL_BD_AMOEBA_2))
11843       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11844
11845     // special case: set position for delay counter for reappearing hammered walls
11846     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
11847       counterbutton_info[counter_id].y += 1;
11848
11849     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11850     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11851     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11852     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11853
11854     // default: counter values between 0 and 999
11855     if (counterbutton_info[counter_id].max_value == 0)
11856       counterbutton_info[counter_id].max_value = 999;
11857
11858     MapCounterButtons(counter_id);
11859
11860     num_element_counters++;
11861     if (num_element_counters >= max_num_element_counters)
11862       break;
11863   }
11864
11865   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11866   {
11867     // draw stickybutton gadget
11868     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11869
11870     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11871     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11872
11873     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11874     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11875     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11876     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11877     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11878     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11879     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11880   }
11881
11882   if (HAS_EDITOR_CONTENT(properties_element))
11883   {
11884     // draw stickybutton gadget
11885     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11886
11887     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11888     {
11889       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11890       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11891
11892       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11893       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11894     }
11895     else if (properties_element == EL_BD_AMOEBA_2)
11896     {
11897       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11898       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11899       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11900
11901       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11902       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11903       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11904       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11905     }
11906     else if (IS_AMOEBOID(properties_element))
11907       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11908     else if (properties_element == EL_BD_ACID)
11909     {
11910       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11911       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11912     }
11913     else if (IS_BD_BITER(properties_element))
11914     {
11915       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11916     }
11917     else if (properties_element == EL_BD_BLADDER)
11918     {
11919       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11920     }
11921     else if (properties_element == EL_YAMYAM ||
11922              properties_element == EL_YAMYAM_LEFT ||
11923              properties_element == EL_YAMYAM_RIGHT ||
11924              properties_element == EL_YAMYAM_UP ||
11925              properties_element == EL_YAMYAM_DOWN)
11926       DrawYamYamContentAreas();
11927     else if (properties_element == EL_EMC_MAGIC_BALL)
11928     {
11929       DrawMagicBallContentAreas();
11930
11931       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11932       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11933     }
11934     else if (properties_element == EL_EMC_ANDROID)
11935       DrawAndroidElementArea();
11936     else if (properties_element == EL_MM_GRAY_BALL)
11937     {
11938       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11939       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11940       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11941       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11942
11943       DrawMMBallContentArea();
11944     }
11945   }
11946
11947   if (IS_PLAYER_ELEMENT(properties_element))
11948   {
11949     int player_nr = GET_PLAYER_NR(properties_element);
11950
11951     // these properties can be set for every player individually
11952
11953     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11954     {
11955       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11956         &level.start_element[player_nr];
11957       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11958         &level.artwork_element[player_nr];
11959       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11960         &level.explosion_element[player_nr];
11961
11962       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11963         &level.use_start_element[player_nr];
11964       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11965         &level.use_artwork_element[player_nr];
11966       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11967         &level.use_explosion_element[player_nr];
11968       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11969         &level.initial_player_gravity[player_nr];
11970
11971       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11972         &level.initial_player_stepsize[player_nr];
11973
11974       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11975       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11976                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11977                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11978       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11979       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11980       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11981       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11982       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11983       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11984       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11985       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11986       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11987       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11988       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11989
11990       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11991       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11992       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11993
11994       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11995     }
11996     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11997     {
11998       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11999         &level.initial_inventory_content[player_nr][0];
12000
12001       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
12002         &level.initial_inventory_size[player_nr];
12003
12004       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
12005         &level.use_initial_inventory[player_nr];
12006
12007       // draw checkbutton gadgets
12008       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
12009       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
12010       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
12011
12012       // draw counter gadgets
12013       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
12014
12015       // draw drawing area gadgets
12016       DrawPlayerInitialInventoryArea(properties_element);
12017     }
12018   }
12019
12020   if (IS_BD_PLAYER_ELEMENT(properties_element))
12021   {
12022     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12023       ED_ELEMENT_SETTINGS_YPOS(2);
12024     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12025       ED_ELEMENT_SETTINGS_YPOS(3);
12026     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12027       ED_ELEMENT_SETTINGS_YPOS(4);
12028
12029     // draw checkbutton gadgets
12030     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
12031     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
12032     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12033
12034     // draw counter gadgets
12035     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12036     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12037
12038     // draw drawing area gadgets
12039     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
12040   }
12041
12042   if (properties_element == EL_BD_SAND)
12043   {
12044     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
12045   }
12046
12047   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12048   {
12049     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
12050       ED_ELEMENT_SETTINGS_YPOS(0);
12051     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12052       ED_ELEMENT_SETTINGS_YPOS(1);
12053
12054     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
12055     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12056
12057     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_FALLING);
12058     MapDrawingArea(ED_DRAWING_ID_BD_ROCK_TURNS_TO_ON_IMPACT);
12059   }
12060
12061   if (properties_element == EL_BD_DIAMOND && level.game_engine_type == GAME_ENGINE_TYPE_BD)
12062   {
12063     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_FALLING);
12064     MapDrawingArea(ED_DRAWING_ID_BD_DIAMOND_TURNS_TO_ON_IMPACT);
12065   }
12066
12067   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
12068   {
12069     if (IS_BD_FIREFLY(properties_element))
12070       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_EXPLODES_TO);
12071     else if (IS_BD_FIREFLY_2(properties_element))
12072       MapDrawingArea(ED_DRAWING_ID_BD_FIREFLY_2_EXPLODES_TO);
12073     else if (IS_BD_BUTTERFLY(properties_element))
12074       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_EXPLODES_TO);
12075     else if (IS_BD_BUTTERFLY_2(properties_element))
12076       MapDrawingArea(ED_DRAWING_ID_BD_BUTTERFLY_2_EXPLODES_TO);
12077     else if (IS_BD_STONEFLY(properties_element))
12078       MapDrawingArea(ED_DRAWING_ID_BD_STONEFLY_EXPLODES_TO);
12079     else if (IS_BD_DRAGONFLY(properties_element))
12080       MapDrawingArea(ED_DRAWING_ID_BD_DRAGONFLY_EXPLODES_TO);
12081   }
12082
12083   if (properties_element == EL_BD_MEGA_ROCK ||
12084       properties_element == EL_BD_SWEET)
12085   {
12086     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
12087       ED_ELEMENT_SETTINGS_YPOS(0);
12088     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
12089       ED_ELEMENT_SETTINGS_YPOS(1);
12090
12091     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
12092     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
12093   }
12094
12095   if (properties_element == EL_BD_VOODOO_DOLL)
12096   {
12097     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
12098     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
12099     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
12100     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
12101   }
12102
12103   if (properties_element == EL_BD_SLIME)
12104   {
12105     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
12106
12107     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
12108     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
12109     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
12110     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
12111     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
12112     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
12113   }
12114
12115   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
12116       IS_BD_EXPANDABLE_STEELWALL(properties_element))
12117   {
12118     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
12119
12120     if (IS_BD_EXPANDABLE_WALL(properties_element))
12121       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
12122   }
12123
12124   if (properties_element == EL_BD_REPLICATOR)
12125   {
12126     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
12127   }
12128
12129   if (IS_BD_CONVEYOR_BELT(properties_element) ||
12130       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
12131   {
12132     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
12133     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
12134   }
12135
12136   if (properties_element == EL_BD_WATER)
12137   {
12138     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12139   }
12140
12141   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12142   {
12143     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12144   }
12145
12146   if (properties_element == EL_BD_CREATURE_SWITCH)
12147   {
12148     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12149     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12150   }
12151
12152   if (properties_element == EL_BD_GRAVITY_SWITCH)
12153   {
12154     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12155
12156     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12157     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12158   }
12159
12160   if (properties_element == EL_BD_NUT)
12161   {
12162     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12163   }
12164
12165   // special case: slippery walls option for gems only available in R'n'D game engine
12166   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12167     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12168
12169   if (properties_element == EL_EM_DYNAMITE)
12170     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12171
12172   if (level.game_engine_type == GAME_ENGINE_TYPE_RND &&
12173       COULD_MOVE_INTO_ACID(properties_element) &&
12174       !IS_PLAYER_ELEMENT(properties_element) &&
12175       (!IS_CUSTOM_ELEMENT(properties_element) ||
12176        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12177   {
12178     // set position for checkbutton for "can move into acid"
12179     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12180       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12181     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12182       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12183                                IS_BALLOON_ELEMENT(properties_element) ||
12184                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12185
12186     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12187   }
12188
12189   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12190     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12191
12192   if (properties_element == EL_SPRING ||
12193       properties_element == EL_SPRING_LEFT ||
12194       properties_element == EL_SPRING_RIGHT)
12195     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12196
12197   if (properties_element == EL_TIME_ORB_FULL)
12198     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12199
12200   if (properties_element == EL_GAME_OF_LIFE ||
12201       properties_element == EL_BIOMAZE)
12202     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12203
12204   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12205   {
12206     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12207       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12208
12209     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12210   }
12211
12212   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12213     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12214
12215   if (properties_element == EL_SOKOBAN_OBJECT)
12216     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12217
12218   if (properties_element == EL_SOKOBAN_OBJECT ||
12219       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12220       properties_element == EL_SOKOBAN_FIELD_FULL)
12221   {
12222     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12223       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12224                                0 : 1);
12225
12226     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12227   }
12228
12229   if (IS_BALLOON_ELEMENT(properties_element))
12230     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12231
12232   if (IS_ENVELOPE(properties_element) ||
12233       IS_MM_ENVELOPE(properties_element))
12234   {
12235     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12236     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12237     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12238     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12239     int envelope_nr = ENVELOPE_NR(properties_element);
12240
12241     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12242     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12243
12244     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12245     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12246
12247     // display counter to choose size of envelope text area
12248     MapCounterButtons(counter1_id);
12249     MapCounterButtons(counter2_id);
12250
12251     // display checkbuttons to choose auto-wrap and alignment properties
12252     MapCheckbuttonGadget(button1_id);
12253     MapCheckbuttonGadget(button2_id);
12254
12255     DrawEnvelopeTextArea(envelope_nr);
12256   }
12257
12258   if (IS_MM_MCDUFFIN(properties_element))
12259   {
12260     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12261     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12262     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12263   }
12264
12265   if (IS_DF_LASER(properties_element))
12266   {
12267     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12268     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12269     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12270   }
12271
12272   if (IS_CUSTOM_ELEMENT(properties_element))
12273   {
12274     // draw stickybutton gadget
12275     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12276
12277     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12278     {
12279       // draw checkbutton gadgets
12280       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12281            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12282         MapCheckbuttonGadget(i);
12283
12284       // draw counter gadgets
12285       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12286            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12287         MapCounterButtons(i);
12288
12289       // draw selectbox gadgets
12290       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12291            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12292         MapSelectboxGadget(i);
12293
12294       // draw textbutton gadgets
12295       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12296
12297       // draw text input gadgets
12298       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12299
12300       // draw drawing area gadgets
12301       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12302
12303       draw_footer_line = TRUE;
12304     }
12305     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12306     {
12307       // draw checkbutton gadgets
12308       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12309            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12310         MapCheckbuttonGadget(i);
12311
12312       // draw counter gadgets
12313       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12314            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12315         MapCounterButtons(i);
12316
12317       // draw selectbox gadgets
12318       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12319            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12320         MapSelectboxGadget(i);
12321
12322       // draw drawing area gadgets
12323       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12324       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12325       DrawCustomContentArea();
12326     }
12327   }
12328   else if (IS_GROUP_ELEMENT(properties_element))
12329   {
12330     // draw stickybutton gadget
12331     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12332
12333     // draw checkbutton gadgets
12334     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12335     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12336
12337     // draw counter gadgets
12338     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12339
12340     // draw selectbox gadgets
12341     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12342
12343     // draw textbutton gadgets
12344     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12345
12346     // draw drawing area gadgets
12347     DrawGroupElementArea();
12348
12349     // draw text input gadgets
12350     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12351
12352     // draw drawing area gadgets
12353     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12354
12355     draw_footer_line = TRUE;
12356   }
12357   else if (IS_EMPTY_ELEMENT(properties_element))
12358   {
12359     // draw stickybutton gadget
12360     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12361
12362     // draw checkbutton gadgets
12363     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12364     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12365
12366     // draw textbutton gadgets
12367     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12368
12369     // draw drawing area gadgets
12370     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12371
12372     draw_footer_line = TRUE;
12373   }
12374
12375   // draw little footer border line above CE/GE use/save template gadgets
12376   if (draw_footer_line)
12377   {
12378     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12379     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12380     int gd_x = gd->x + gd_gi1->border.width / 2;
12381     int gd_y = gd->y + gd_gi1->height - 1;
12382     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12383
12384     if (tab_color != BLACK_PIXEL)               // black => transparent
12385       FillRectangle(drawto,
12386                     SX + ED_ELEMENT_SETTINGS_X(0),
12387                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12388                     ED_TAB_BAR_HEIGHT,
12389                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12390   }
12391 }
12392
12393 static void DrawPropertiesChangeDrawingAreas(void)
12394 {
12395   if (IS_CUSTOM_ELEMENT(properties_element))
12396   {
12397     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12398     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12399     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12400
12401     DrawCustomChangeContentArea();
12402   }
12403
12404   redraw_mask |= REDRAW_FIELD;
12405 }
12406
12407 static void DrawPropertiesChange(void)
12408 {
12409   int i;
12410
12411   // needed to initially set selectbox options for special action options
12412   setSelectboxSpecialActionOptions();
12413
12414   // draw stickybutton gadget
12415   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12416
12417   // draw checkbutton gadgets
12418   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12419        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12420     MapCheckbuttonGadget(i);
12421
12422   // draw counter gadgets
12423   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12424        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12425     MapCounterButtons(i);
12426
12427   // draw selectbox gadgets
12428   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12429        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12430     MapSelectboxGadget(i);
12431
12432   // draw textbutton gadgets
12433   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12434        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12435     MapTextbuttonGadget(i);
12436
12437   // draw graphicbutton gadgets
12438   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12439        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12440     MapGraphicbuttonGadget(i);
12441
12442   // draw drawing area gadgets
12443   DrawPropertiesChangeDrawingAreas();
12444 }
12445
12446 static void DrawEditorElementAnimation(int x, int y)
12447 {
12448   int graphic;
12449   int frame;
12450
12451   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12452
12453   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12454 }
12455
12456 static void DrawEditorElementName(int x, int y, int font_nr)
12457 {
12458   char *element_name = getElementInfoText(properties_element);
12459   int font_width = getFontWidth(font_nr);
12460   int font_height = getFontHeight(font_nr);
12461   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12462   int max_chars_per_line = max_text_width / font_width;
12463
12464   if (strlen(element_name) <= max_chars_per_line)
12465     DrawTextS(x, y, font_nr, element_name);
12466   else
12467   {
12468     char buffer[max_chars_per_line + 1];
12469     int next_pos = max_chars_per_line;
12470
12471     strncpy(buffer, element_name, max_chars_per_line);
12472     buffer[max_chars_per_line] = '\0';
12473
12474     if (element_name[max_chars_per_line] == ' ')
12475       next_pos++;
12476     else
12477     {
12478       int i;
12479
12480       for (i = max_chars_per_line - 1; i >= 0; i--)
12481         if (buffer[i] == ' ')
12482           break;
12483
12484       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12485       {
12486         buffer[i] = '\0';
12487         next_pos = i + 1;
12488       }
12489     }
12490
12491     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12492
12493     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12494     buffer[max_chars_per_line] = '\0';
12495
12496     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12497   }
12498 }
12499
12500 static void DrawPropertiesWindow(void)
12501 {
12502   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12503   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12504   int border_size = gd->border_size;
12505   int font_nr = FONT_TEXT_1;
12506   int font_height = getFontHeight(font_nr);
12507   int xoffset = TILEX + element_border + 3 * border_size;
12508   int yoffset = (TILEY - font_height) / 2;
12509   int x1 = editor.settings.element_graphic.x + element_border;
12510   int y1 = editor.settings.element_graphic.y + element_border;
12511   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12512             editor.settings.element_name.x);
12513   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12514             editor.settings.element_name.y);
12515   char *text = "Element Settings";
12516   int font2_nr = FONT_TITLE_1;
12517   struct MenuPosInfo *pos = &editor.settings.headline;
12518   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12519   int sy = SY + pos->y;
12520
12521   stick_element_properties_window = FALSE;
12522
12523   // make sure that previous properties edit mode exists for this element
12524   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12525       !IS_CUSTOM_ELEMENT(properties_element))
12526     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12527
12528   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12529       !IS_PLAYER_ELEMENT(properties_element) &&
12530       !IS_CUSTOM_ELEMENT(properties_element))
12531     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12532
12533   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12534       (IS_PLAYER_ELEMENT(properties_element) ||
12535        IS_CUSTOM_ELEMENT(properties_element)))
12536     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12537
12538   CopyElementPropertiesToEditor(properties_element);
12539
12540   UnmapLevelEditorFieldGadgets();
12541   UnmapLevelEditorToolboxDrawingGadgets();
12542   UnmapLevelEditorToolboxCustomGadgets();
12543
12544   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12545
12546   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12547   ClearField();
12548
12549   DrawText(sx, sy, text, font2_nr);
12550
12551   FrameCounter = 0;     // restart animation frame counter
12552
12553   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12554   DrawEditorElementAnimation(SX + x1, SY + y1);
12555   DrawEditorElementName(x2, y2, font_nr);
12556
12557   DrawPropertiesTabulatorGadgets();
12558
12559   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12560     DrawPropertiesInfo();
12561   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12562     DrawPropertiesChange();
12563   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12564     DrawPropertiesConfig();
12565 }
12566
12567 static void DrawPaletteWindow(void)
12568 {
12569   int i;
12570
12571   UnmapLevelEditorFieldGadgets();
12572
12573   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12574   ClearField();
12575
12576   // map buttons to select elements
12577   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12578     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12579   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12580   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12581   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12582 }
12583
12584 static void UpdateCustomElementGraphicGadgets(void)
12585 {
12586   int i;
12587
12588   InitElementPropertiesGfxElement();
12589
12590   ModifyEditorElementList();
12591   RedrawDrawingElements();
12592
12593   // force redraw of all mapped drawing area gadgets
12594   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12595   {
12596     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12597
12598     if (gi->mapped)
12599       MapDrawingArea(i);
12600   }
12601 }
12602
12603 static int getOpenDirectionFromTube(int element)
12604 {
12605   switch (element)
12606   {
12607     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12608     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12609     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12610     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12611     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12612     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12613     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12614     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12615     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12616     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12617     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12618   }
12619
12620   return MV_NONE;
12621 }
12622
12623 static int getTubeFromOpenDirection(int direction)
12624 {
12625   switch (direction)
12626   {
12627     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12628     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12629     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12630     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12631     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12632     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12633     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12634     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12635     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12636     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12637     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12638
12639     // if only one direction, fall back to simple tube with that direction
12640     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12641     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12642     case (MV_UP):                       return EL_TUBE_VERTICAL;
12643     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12644   }
12645
12646   return EL_EMPTY;
12647 }
12648
12649 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12650 {
12651   int element_new = getTubeFromOpenDirection(direction);
12652
12653   return (element_new != EL_EMPTY ? element_new : element_old);
12654 }
12655
12656 static int getOpenDirectionFromBelt(int element)
12657 {
12658   int belt_dir = getBeltDirFromBeltElement(element);
12659
12660   return (belt_dir == MV_LEFT ? MV_RIGHT :
12661           belt_dir == MV_RIGHT ? MV_LEFT :
12662           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12663 }
12664
12665 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12666 {
12667   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12668                   direction == MV_RIGHT ? MV_LEFT :
12669                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12670
12671   if (direction == MV_NONE)
12672     return EL_EMPTY;
12673
12674   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12675 }
12676
12677 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12678                                                  int element_old)
12679 {
12680   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12681
12682   return (element_new != EL_EMPTY ? element_new : element_old);
12683 }
12684
12685 static int getOpenDirectionFromPool(int element)
12686 {
12687   switch (element)
12688   {
12689     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12690     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12691     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12692     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12693     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12694     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12695   }
12696
12697   return MV_NONE;
12698 }
12699
12700 static int getPoolFromOpenDirection(int direction)
12701 {
12702   switch (direction)
12703   {
12704     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12705     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12706     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12707     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12708     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12709     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12710   }
12711
12712   return EL_EMPTY;
12713 }
12714
12715 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12716 {
12717   int element = getPoolFromOpenDirection(direction);
12718   int help_direction = getOpenDirectionFromPool(help_element);
12719
12720   if (element == EL_EMPTY)
12721   {
12722     int help_direction_vertical = help_direction & MV_VERTICAL;
12723
12724     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12725   }
12726
12727   if (element == EL_EMPTY)
12728   {
12729     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12730
12731     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12732   }
12733
12734   return element;
12735 }
12736
12737 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12738 {
12739   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12740
12741   return (element_new != EL_EMPTY ? element_new : element_old);
12742 }
12743
12744 static int getOpenDirectionFromPillar(int element)
12745 {
12746   switch (element)
12747   {
12748     case EL_EMC_WALL_1:                 return (MV_DOWN);
12749     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12750     case EL_EMC_WALL_3:                 return (MV_UP);
12751   }
12752
12753   return MV_NONE;
12754 }
12755
12756 static int getPillarFromOpenDirection(int direction)
12757 {
12758   switch (direction)
12759   {
12760     case (MV_DOWN):                     return EL_EMC_WALL_1;
12761     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12762     case (MV_UP):                       return EL_EMC_WALL_3;
12763   }
12764
12765   return EL_EMPTY;
12766 }
12767
12768 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12769 {
12770   int element_new = getPillarFromOpenDirection(direction);
12771
12772   return (element_new != EL_EMPTY ? element_new : element_old);
12773 }
12774
12775 static int getOpenDirectionFromSteel2(int element)
12776 {
12777   switch (element)
12778   {
12779     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12780     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12781     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12782     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12783     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12784     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12785     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12786     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12787   }
12788
12789   return MV_NONE;
12790 }
12791
12792 static int getSteel2FromOpenDirection(int direction)
12793 {
12794   switch (direction)
12795   {
12796     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12797     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12798     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12799     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12800     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12801     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12802     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12803     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12804   }
12805
12806   return EL_EMPTY;
12807 }
12808
12809 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12810 {
12811   int element_new = getSteel2FromOpenDirection(direction);
12812
12813   return (element_new != EL_EMPTY ? element_new : element_old);
12814 }
12815
12816 static int getOpenDirectionFromChip(int element)
12817 {
12818   switch (element)
12819   {
12820     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12821     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12822     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12823     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12824     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12825   }
12826
12827   return MV_NONE;
12828 }
12829
12830 static int getChipFromOpenDirection(int direction)
12831 {
12832   switch (direction)
12833   {
12834     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12835     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12836     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12837     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12838     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12839   }
12840
12841   return EL_EMPTY;
12842 }
12843
12844 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12845 {
12846   int element_new = getChipFromOpenDirection(direction);
12847
12848   return (element_new != EL_EMPTY ? element_new : element_old);
12849 }
12850
12851 static int getClosedTube(int x, int y)
12852 {
12853   struct XY *xy = xy_directions;
12854   int element_old = IntelliDrawBuffer[x][y];
12855   int direction_old = getOpenDirectionFromTube(element_old);
12856   int direction_new = MV_NONE;
12857   int i;
12858
12859   for (i = 0; i < NUM_DIRECTIONS; i++)
12860   {
12861     int xx = x + xy[i].x;
12862     int yy = y + xy[i].y;
12863     int dir = MV_DIR_FROM_BIT(i);
12864     int dir_opposite = MV_DIR_OPPOSITE(dir);
12865
12866     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12867         (direction_old & dir) &&
12868         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12869       direction_new |= dir;
12870   }
12871
12872   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12873 }
12874
12875 static int getClosedBelt(int x, int y)
12876 {
12877   struct XY *xy = xy_directions;
12878   int element_old = IntelliDrawBuffer[x][y];
12879   int nr = getBeltNrFromBeltElement(element_old);
12880   int direction_old = getOpenDirectionFromBelt(element_old);
12881   int direction_new = MV_NONE;
12882   int i;
12883
12884   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12885   {
12886     int xx = x + xy[i].x;
12887     int yy = y + xy[i].y;
12888     int dir = MV_DIR_FROM_BIT(i);
12889     int dir_opposite = MV_DIR_OPPOSITE(dir);
12890
12891     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12892         (direction_old & dir) &&
12893         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12894       direction_new |= dir;
12895   }
12896
12897   return getBeltFromNrAndOpenDirection(nr, direction_new);
12898 }
12899
12900 static int getClosedPool(int x, int y)
12901 {
12902   struct XY *xy = xy_directions;
12903   int element_old = IntelliDrawBuffer[x][y];
12904   int direction_old = getOpenDirectionFromPool(element_old);
12905   int direction_new = MV_NONE;
12906   int i;
12907
12908   for (i = 0; i < NUM_DIRECTIONS; i++)
12909   {
12910     int xx = x + xy[i].x;
12911     int yy = y + xy[i].y;
12912     int dir = MV_DIR_FROM_BIT(i);
12913     int dir_opposite = MV_DIR_OPPOSITE(dir);
12914
12915     if (IN_LEV_FIELD(xx, yy) &&
12916         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12917         (direction_old & dir) &&
12918         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12919       direction_new |= dir;
12920   }
12921
12922   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12923 }
12924
12925 static int getClosedPillar(int x, int y)
12926 {
12927   struct XY *xy = xy_directions;
12928   int element_old = IntelliDrawBuffer[x][y];
12929   int direction_old = getOpenDirectionFromPillar(element_old);
12930   int direction_new = MV_NONE;
12931   int i;
12932
12933   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12934   {
12935     int xx = x + xy[i].x;
12936     int yy = y + xy[i].y;
12937     int dir = MV_DIR_FROM_BIT(i);
12938     int dir_opposite = MV_DIR_OPPOSITE(dir);
12939
12940     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12941         (direction_old & dir) &&
12942         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12943       direction_new |= dir;
12944   }
12945
12946   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12947 }
12948
12949 static int getClosedSteel2(int x, int y)
12950 {
12951   struct XY *xy = xy_directions;
12952   int element_old = IntelliDrawBuffer[x][y];
12953   int direction_old = getOpenDirectionFromSteel2(element_old);
12954   int direction_new = MV_NONE;
12955   int i;
12956
12957   for (i = 0; i < NUM_DIRECTIONS; i++)
12958   {
12959     int xx = x + xy[i].x;
12960     int yy = y + xy[i].y;
12961     int dir = MV_DIR_FROM_BIT(i);
12962     int dir_opposite = MV_DIR_OPPOSITE(dir);
12963
12964     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12965         (direction_old & dir) &&
12966         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12967       direction_new |= dir;
12968   }
12969
12970   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12971 }
12972
12973 static int getClosedChip(int x, int y)
12974 {
12975   struct XY *xy = xy_directions;
12976   int element_old = IntelliDrawBuffer[x][y];
12977   int direction_old = getOpenDirectionFromChip(element_old);
12978   int direction_new = MV_NONE;
12979   int i;
12980
12981   for (i = 0; i < NUM_DIRECTIONS; i++)
12982   {
12983     int xx = x + xy[i].x;
12984     int yy = y + xy[i].y;
12985     int dir = MV_DIR_FROM_BIT(i);
12986     int dir_opposite = MV_DIR_OPPOSITE(dir);
12987
12988     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12989         (direction_old & dir) &&
12990         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12991       direction_new |= dir;
12992   }
12993
12994   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12995 }
12996
12997 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12998                                 boolean change_level)
12999 {
13000   int sx = x - level_xpos;
13001   int sy = y - level_ypos;
13002   int old_element = Tile[x][y];
13003   int new_element = element;
13004   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
13005   boolean draw_masked = FALSE;
13006
13007   if (IS_MM_WALL_EDITOR(element))
13008   {
13009     element = map_mm_wall_element_editor(element) | new_bitmask;
13010
13011     if (IS_MM_WALL(old_element))
13012       element |= MM_WALL_BITS(old_element);
13013
13014     if (!change_level)
13015       draw_masked = TRUE;
13016   }
13017   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
13018   {
13019     int element_changed = old_element & ~new_bitmask;
13020
13021     if (MM_WALL_BITS(element_changed) != 0)
13022       element = element_changed;
13023   }
13024
13025   IntelliDrawBuffer[x][y] = element;
13026
13027   if (change_level)
13028     Tile[x][y] = element;
13029
13030   if (IN_ED_FIELD(sx, sy))
13031   {
13032     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
13033       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
13034     else if (draw_masked)
13035       DrawEditorElementThruMask(sx, sy, element);
13036     else
13037       DrawEditorElement(sx, sy, element);
13038   }
13039 }
13040
13041 static void SetElementSimple(int x, int y, int element, boolean change_level)
13042 {
13043   SetElementSimpleExt(x, y, 0, 0, element, change_level);
13044 }
13045
13046 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
13047                                            int x2, int y2, int *element2,
13048                                            int (*close_function)(int, int),
13049                                            boolean change_level)
13050 {
13051   // set neighbour elements to newly determined connections
13052   SetElementSimple(x1, y1, *element1, change_level);
13053   SetElementSimple(x2, y2, *element2, change_level);
13054
13055   // remove all open connections of neighbour elements
13056   *element1 = close_function(x1, y1);
13057   *element2 = close_function(x2, y2);
13058
13059   // set neighbour elements to new, minimized connections
13060   SetElementSimple(x1, y1, *element1, change_level);
13061   SetElementSimple(x2, y2, *element2, change_level);
13062 }
13063
13064 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
13065                                   boolean change_level, int button)
13066 {
13067   struct XY *xy = xy_directions;
13068   static int last_x = -1;
13069   static int last_y = -1;
13070
13071   if (new_element == EL_UNDEFINED)
13072   {
13073     last_x = -1;
13074     last_y = -1;
13075
13076     return;
13077   }
13078
13079   int old_element = IntelliDrawBuffer[x][y];
13080
13081   if (IS_TUBE(new_element))
13082   {
13083     int last_element_new = EL_UNDEFINED;
13084     int direction = MV_NONE;
13085     int i;
13086
13087     // if old element is of same kind, keep all existing directions
13088     if (IS_TUBE(old_element))
13089       direction |= getOpenDirectionFromTube(old_element);
13090
13091     for (i = 0; i < NUM_DIRECTIONS; i++)
13092     {
13093       int xx = x + xy[i].x;
13094       int yy = y + xy[i].y;
13095
13096       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13097           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
13098       {
13099         int dir = MV_DIR_FROM_BIT(i);
13100         int dir_opposite = MV_DIR_OPPOSITE(dir);
13101         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13102         int last_direction_old = getOpenDirectionFromTube(last_element_old);
13103         int last_direction_new = last_direction_old | dir_opposite;
13104
13105         last_element_new = getTubeFromOpenDirection(last_direction_new);
13106
13107         direction |= dir;
13108       }
13109     }
13110
13111     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
13112
13113     if (last_element_new != EL_UNDEFINED)
13114       MergeAndCloseNeighbourElements(x, y, &new_element,
13115                                      last_x, last_y, &last_element_new,
13116                                      getClosedTube, change_level);
13117   }
13118   else if (IS_BELT(new_element))
13119   {
13120     int belt_nr = getBeltNrFromBeltElement(new_element);
13121     int last_element_new = EL_UNDEFINED;
13122     int direction = MV_NONE;
13123     int i;
13124
13125     // if old element is of same kind, keep all existing directions
13126     if (IS_BELT(old_element))
13127       direction |= getOpenDirectionFromBelt(old_element);
13128
13129     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
13130     {
13131       int xx = x + xy[i].x;
13132       int yy = y + xy[i].y;
13133
13134       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13135           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
13136       {
13137         int dir = MV_DIR_FROM_BIT(i);
13138         int dir_opposite = MV_DIR_OPPOSITE(dir);
13139         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13140         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13141         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13142         int last_direction_new = last_direction_old | dir_opposite;
13143
13144         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13145                                                          last_direction_new);
13146         direction |= dir;
13147       }
13148     }
13149
13150     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13151                                                         new_element);
13152     if (last_element_new != EL_UNDEFINED)
13153       MergeAndCloseNeighbourElements(x, y, &new_element,
13154                                      last_x, last_y, &last_element_new,
13155                                      getClosedBelt, change_level);
13156   }
13157   else if (IS_ACID_POOL_OR_ACID(new_element))
13158   {
13159     int last_element_new = EL_UNDEFINED;
13160     int direction = MV_NONE;
13161     int i;
13162
13163     // if old element is of same kind, keep all existing directions
13164     if (IS_ACID_POOL_OR_ACID(old_element))
13165       direction |= getOpenDirectionFromPool(old_element);
13166
13167     for (i = 0; i < NUM_DIRECTIONS; i++)
13168     {
13169       int xx = x + xy[i].x;
13170       int yy = y + xy[i].y;
13171
13172       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13173           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13174       {
13175         int dir = MV_DIR_FROM_BIT(i);
13176         int dir_opposite = MV_DIR_OPPOSITE(dir);
13177         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13178         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13179         int last_direction_new = last_direction_old | dir_opposite;
13180
13181         last_element_new = getPoolFromOpenDirection(last_direction_new);
13182
13183         direction |= dir;
13184       }
13185     }
13186
13187     // special corrections needed for intuitively correct acid pool drawing
13188     if (last_element_new == EL_EMPTY)
13189       last_element_new = new_element;
13190     else if (last_element_new != EL_UNDEFINED)
13191       new_element = last_element_new;
13192
13193     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13194
13195     if (last_element_new != EL_UNDEFINED)
13196       MergeAndCloseNeighbourElements(x, y, &new_element,
13197                                      last_x, last_y, &last_element_new,
13198                                      getClosedPool, change_level);
13199   }
13200   else if (IS_EMC_PILLAR(new_element))
13201   {
13202     int last_element_new = EL_UNDEFINED;
13203     int direction = MV_NONE;
13204     int i;
13205
13206     // if old element is of same kind, keep all existing directions
13207     if (IS_EMC_PILLAR(old_element))
13208       direction |= getOpenDirectionFromPillar(old_element);
13209
13210     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13211     {
13212       int xx = x + xy[i].x;
13213       int yy = y + xy[i].y;
13214
13215       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13216           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13217       {
13218         int dir = MV_DIR_FROM_BIT(i);
13219         int dir_opposite = MV_DIR_OPPOSITE(dir);
13220         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13221         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13222         int last_direction_new = last_direction_old | dir_opposite;
13223
13224         last_element_new = getPillarFromOpenDirection(last_direction_new);
13225
13226         direction |= dir;
13227       }
13228     }
13229
13230     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13231
13232     if (last_element_new != EL_UNDEFINED)
13233       MergeAndCloseNeighbourElements(x, y, &new_element,
13234                                      last_x, last_y, &last_element_new,
13235                                      getClosedPillar, change_level);
13236   }
13237   else if (IS_DC_STEELWALL_2(new_element))
13238   {
13239     int last_element_new = EL_UNDEFINED;
13240     int direction = MV_NONE;
13241     int i;
13242
13243     // if old element is of same kind, keep all existing directions
13244     if (IS_DC_STEELWALL_2(old_element))
13245       direction |= getOpenDirectionFromSteel2(old_element);
13246
13247     for (i = 0; i < NUM_DIRECTIONS; i++)
13248     {
13249       int xx = x + xy[i].x;
13250       int yy = y + xy[i].y;
13251
13252       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13253           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13254       {
13255         int dir = MV_DIR_FROM_BIT(i);
13256         int dir_opposite = MV_DIR_OPPOSITE(dir);
13257         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13258         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13259         int last_direction_new = last_direction_old | dir_opposite;
13260
13261         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13262
13263         direction |= dir;
13264       }
13265     }
13266
13267     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13268
13269     if (last_element_new != EL_UNDEFINED)
13270       MergeAndCloseNeighbourElements(x, y, &new_element,
13271                                      last_x, last_y, &last_element_new,
13272                                      getClosedSteel2, change_level);
13273   }
13274   else if (IS_SP_CHIP(new_element))
13275   {
13276     int last_element_new = EL_UNDEFINED;
13277     int direction = MV_NONE;
13278     int i;
13279
13280     // (do not keep existing directions, regardless of kind of old element)
13281
13282     for (i = 0; i < NUM_DIRECTIONS; i++)
13283     {
13284       int xx = x + xy[i].x;
13285       int yy = y + xy[i].y;
13286
13287       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13288           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13289       {
13290         int dir = MV_DIR_FROM_BIT(i);
13291         int dir_opposite = MV_DIR_OPPOSITE(dir);
13292         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13293         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13294         int last_direction_new = last_direction_old | dir_opposite;
13295
13296         if (last_direction_old == MV_NONE)
13297         {
13298           last_element_new = getChipFromOpenDirection(last_direction_new);
13299           direction |= dir;
13300         }
13301         else if (last_direction_old & (dir | dir_opposite))
13302         {
13303           direction |= MV_DIR_OPPOSITE(last_direction_old);
13304         }
13305         else
13306         {
13307           direction |= MV_DIR_OPPOSITE(dir);
13308         }
13309       }
13310     }
13311
13312     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13313
13314     if (last_element_new != EL_UNDEFINED)
13315       MergeAndCloseNeighbourElements(x, y, &new_element,
13316                                      last_x, last_y, &last_element_new,
13317                                      getClosedChip, change_level);
13318   }
13319   else if (IS_SP_HARDWARE_BASE(new_element))
13320   {
13321     int nr = GetSimpleRandom(6);
13322
13323     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13324                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13325                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13326                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13327                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13328   }
13329   else if (new_element == EL_SP_HARDWARE_GREEN ||
13330            new_element == EL_SP_HARDWARE_BLUE ||
13331            new_element == EL_SP_HARDWARE_RED)
13332   {
13333     int nr = GetSimpleRandom(3);
13334
13335     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13336                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13337   }
13338   else if (IS_GROUP_ELEMENT(new_element))
13339   {
13340     boolean connected_drawing = FALSE;
13341     int i;
13342
13343     for (i = 0; i < NUM_DIRECTIONS; i++)
13344     {
13345       int xx = x + xy[i].x;
13346       int yy = y + xy[i].y;
13347
13348       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13349           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13350         connected_drawing = TRUE;
13351     }
13352
13353     if (!connected_drawing)
13354       ResolveGroupElement(new_element);
13355
13356     new_element = GetElementFromGroupElement(new_element);
13357   }
13358   else if (IS_BELT_SWITCH(old_element))
13359   {
13360     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13361     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13362
13363     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13364                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13365
13366     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13367   }
13368   else
13369   {
13370     static int swappable_elements[][2] =
13371     {
13372       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13373       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13374       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13375       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13376       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13377       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13378       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13379       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13380       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13381       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13382       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13383       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13384       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13385       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13386       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13387       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13388       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13389       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13390       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13391       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13392       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13393       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13394       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13395       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13396       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13397       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13398       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13399       { EL_PEARL,                       EL_WALL_PEARL                   },
13400       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13401       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13402       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13403       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13404       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13405       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13406       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13407       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13408       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13409       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13410       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13411       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13412       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13413       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13414       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13415       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13416
13417       { -1,                             -1                              },
13418     };
13419     static int rotatable_elements_4[][4] =
13420     {
13421       {
13422         EL_BUG_UP,
13423         EL_BUG_RIGHT,
13424         EL_BUG_DOWN,
13425         EL_BUG_LEFT
13426       },
13427       {
13428         EL_SPACESHIP_UP,
13429         EL_SPACESHIP_RIGHT,
13430         EL_SPACESHIP_DOWN,
13431         EL_SPACESHIP_LEFT
13432       },
13433       {
13434         EL_BD_BUTTERFLY_UP,
13435         EL_BD_BUTTERFLY_RIGHT,
13436         EL_BD_BUTTERFLY_DOWN,
13437         EL_BD_BUTTERFLY_LEFT
13438       },
13439       {
13440         EL_BD_FIREFLY_UP,
13441         EL_BD_FIREFLY_RIGHT,
13442         EL_BD_FIREFLY_DOWN,
13443         EL_BD_FIREFLY_LEFT
13444       },
13445       {
13446         EL_PACMAN_UP,
13447         EL_PACMAN_RIGHT,
13448         EL_PACMAN_DOWN,
13449         EL_PACMAN_LEFT
13450       },
13451       {
13452         EL_YAMYAM_UP,
13453         EL_YAMYAM_RIGHT,
13454         EL_YAMYAM_DOWN,
13455         EL_YAMYAM_LEFT
13456       },
13457       {
13458         EL_ARROW_UP,
13459         EL_ARROW_RIGHT,
13460         EL_ARROW_DOWN,
13461         EL_ARROW_LEFT
13462       },
13463       {
13464         EL_SP_PORT_UP,
13465         EL_SP_PORT_RIGHT,
13466         EL_SP_PORT_DOWN,
13467         EL_SP_PORT_LEFT
13468       },
13469       {
13470         EL_SP_GRAVITY_PORT_UP,
13471         EL_SP_GRAVITY_PORT_RIGHT,
13472         EL_SP_GRAVITY_PORT_DOWN,
13473         EL_SP_GRAVITY_PORT_LEFT
13474       },
13475       {
13476         EL_SP_GRAVITY_ON_PORT_UP,
13477         EL_SP_GRAVITY_ON_PORT_RIGHT,
13478         EL_SP_GRAVITY_ON_PORT_DOWN,
13479         EL_SP_GRAVITY_ON_PORT_LEFT
13480       },
13481       {
13482         EL_SP_GRAVITY_OFF_PORT_UP,
13483         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13484         EL_SP_GRAVITY_OFF_PORT_DOWN,
13485         EL_SP_GRAVITY_OFF_PORT_LEFT
13486       },
13487       {
13488         EL_MOLE_UP,
13489         EL_MOLE_RIGHT,
13490         EL_MOLE_DOWN,
13491         EL_MOLE_LEFT
13492       },
13493       {
13494         EL_BALLOON_SWITCH_UP,
13495         EL_BALLOON_SWITCH_RIGHT,
13496         EL_BALLOON_SWITCH_DOWN,
13497         EL_BALLOON_SWITCH_LEFT
13498       },
13499       {
13500         EL_MM_MCDUFFIN_UP,
13501         EL_MM_MCDUFFIN_RIGHT,
13502         EL_MM_MCDUFFIN_DOWN,
13503         EL_MM_MCDUFFIN_LEFT
13504       },
13505       {
13506         EL_MM_MIRROR_FIXED_1,
13507         EL_MM_MIRROR_FIXED_4,
13508         EL_MM_MIRROR_FIXED_3,
13509         EL_MM_MIRROR_FIXED_2
13510       },
13511       {
13512         EL_MM_STEEL_GRID_FIXED_1,
13513         EL_MM_STEEL_GRID_FIXED_4,
13514         EL_MM_STEEL_GRID_FIXED_2,
13515         EL_MM_STEEL_GRID_FIXED_3
13516       },
13517       {
13518         EL_MM_WOODEN_GRID_FIXED_1,
13519         EL_MM_WOODEN_GRID_FIXED_4,
13520         EL_MM_WOODEN_GRID_FIXED_2,
13521         EL_MM_WOODEN_GRID_FIXED_3
13522       },
13523       {
13524         EL_MM_POLARIZER_CROSS_1,
13525         EL_MM_POLARIZER_CROSS_4,
13526         EL_MM_POLARIZER_CROSS_3,
13527         EL_MM_POLARIZER_CROSS_2
13528       },
13529       {
13530         EL_MM_PACMAN_UP,
13531         EL_MM_PACMAN_RIGHT,
13532         EL_MM_PACMAN_DOWN,
13533         EL_MM_PACMAN_LEFT
13534       },
13535       {
13536         EL_DF_LASER_UP,
13537         EL_DF_LASER_RIGHT,
13538         EL_DF_LASER_DOWN,
13539         EL_DF_LASER_LEFT
13540       },
13541       {
13542         EL_DF_RECEIVER_UP,
13543         EL_DF_RECEIVER_RIGHT,
13544         EL_DF_RECEIVER_DOWN,
13545         EL_DF_RECEIVER_LEFT
13546       },
13547       {
13548         EL_DF_SLOPE_1,
13549         EL_DF_SLOPE_4,
13550         EL_DF_SLOPE_3,
13551         EL_DF_SLOPE_2
13552       },
13553
13554       {
13555         -1,
13556       },
13557     };
13558     static int rotatable_elements_8[][8] =
13559     {
13560       {
13561         EL_DF_STEEL_GRID_FIXED_1,
13562         EL_DF_STEEL_GRID_FIXED_8,
13563         EL_DF_STEEL_GRID_FIXED_7,
13564         EL_DF_STEEL_GRID_FIXED_6,
13565         EL_DF_STEEL_GRID_FIXED_5,
13566         EL_DF_STEEL_GRID_FIXED_4,
13567         EL_DF_STEEL_GRID_FIXED_3,
13568         EL_DF_STEEL_GRID_FIXED_2
13569       },
13570       {
13571         EL_DF_WOODEN_GRID_FIXED_1,
13572         EL_DF_WOODEN_GRID_FIXED_8,
13573         EL_DF_WOODEN_GRID_FIXED_7,
13574         EL_DF_WOODEN_GRID_FIXED_6,
13575         EL_DF_WOODEN_GRID_FIXED_5,
13576         EL_DF_WOODEN_GRID_FIXED_4,
13577         EL_DF_WOODEN_GRID_FIXED_3,
13578         EL_DF_WOODEN_GRID_FIXED_2
13579       },
13580       {
13581         EL_DF_STEEL_GRID_ROTATING_1,
13582         EL_DF_STEEL_GRID_ROTATING_8,
13583         EL_DF_STEEL_GRID_ROTATING_7,
13584         EL_DF_STEEL_GRID_ROTATING_6,
13585         EL_DF_STEEL_GRID_ROTATING_5,
13586         EL_DF_STEEL_GRID_ROTATING_4,
13587         EL_DF_STEEL_GRID_ROTATING_3,
13588         EL_DF_STEEL_GRID_ROTATING_2
13589       },
13590       {
13591         EL_DF_WOODEN_GRID_ROTATING_1,
13592         EL_DF_WOODEN_GRID_ROTATING_8,
13593         EL_DF_WOODEN_GRID_ROTATING_7,
13594         EL_DF_WOODEN_GRID_ROTATING_6,
13595         EL_DF_WOODEN_GRID_ROTATING_5,
13596         EL_DF_WOODEN_GRID_ROTATING_4,
13597         EL_DF_WOODEN_GRID_ROTATING_3,
13598         EL_DF_WOODEN_GRID_ROTATING_2
13599       },
13600
13601       {
13602         -1,
13603       },
13604     };
13605     static int rotatable_elements_16[][16] =
13606     {
13607       {
13608         EL_MM_MIRROR_1,
13609         EL_MM_MIRROR_16,
13610         EL_MM_MIRROR_15,
13611         EL_MM_MIRROR_14,
13612         EL_MM_MIRROR_13,
13613         EL_MM_MIRROR_12,
13614         EL_MM_MIRROR_11,
13615         EL_MM_MIRROR_10,
13616         EL_MM_MIRROR_9,
13617         EL_MM_MIRROR_8,
13618         EL_MM_MIRROR_7,
13619         EL_MM_MIRROR_6,
13620         EL_MM_MIRROR_5,
13621         EL_MM_MIRROR_4,
13622         EL_MM_MIRROR_3,
13623         EL_MM_MIRROR_2
13624       },
13625       {
13626         EL_MM_TELEPORTER_5,
13627         EL_MM_TELEPORTER_4,
13628         EL_MM_TELEPORTER_3,
13629         EL_MM_TELEPORTER_2,
13630         EL_MM_TELEPORTER_1,
13631         EL_MM_TELEPORTER_16,
13632         EL_MM_TELEPORTER_15,
13633         EL_MM_TELEPORTER_14,
13634         EL_MM_TELEPORTER_13,
13635         EL_MM_TELEPORTER_12,
13636         EL_MM_TELEPORTER_11,
13637         EL_MM_TELEPORTER_10,
13638         EL_MM_TELEPORTER_9,
13639         EL_MM_TELEPORTER_8,
13640         EL_MM_TELEPORTER_7,
13641         EL_MM_TELEPORTER_6
13642       },
13643       {
13644         EL_MM_TELEPORTER_RED_5,
13645         EL_MM_TELEPORTER_RED_4,
13646         EL_MM_TELEPORTER_RED_3,
13647         EL_MM_TELEPORTER_RED_2,
13648         EL_MM_TELEPORTER_RED_1,
13649         EL_MM_TELEPORTER_RED_16,
13650         EL_MM_TELEPORTER_RED_15,
13651         EL_MM_TELEPORTER_RED_14,
13652         EL_MM_TELEPORTER_RED_13,
13653         EL_MM_TELEPORTER_RED_12,
13654         EL_MM_TELEPORTER_RED_11,
13655         EL_MM_TELEPORTER_RED_10,
13656         EL_MM_TELEPORTER_RED_9,
13657         EL_MM_TELEPORTER_RED_8,
13658         EL_MM_TELEPORTER_RED_7,
13659         EL_MM_TELEPORTER_RED_6
13660       },
13661       {
13662         EL_MM_TELEPORTER_YELLOW_5,
13663         EL_MM_TELEPORTER_YELLOW_4,
13664         EL_MM_TELEPORTER_YELLOW_3,
13665         EL_MM_TELEPORTER_YELLOW_2,
13666         EL_MM_TELEPORTER_YELLOW_1,
13667         EL_MM_TELEPORTER_YELLOW_16,
13668         EL_MM_TELEPORTER_YELLOW_15,
13669         EL_MM_TELEPORTER_YELLOW_14,
13670         EL_MM_TELEPORTER_YELLOW_13,
13671         EL_MM_TELEPORTER_YELLOW_12,
13672         EL_MM_TELEPORTER_YELLOW_11,
13673         EL_MM_TELEPORTER_YELLOW_10,
13674         EL_MM_TELEPORTER_YELLOW_9,
13675         EL_MM_TELEPORTER_YELLOW_8,
13676         EL_MM_TELEPORTER_YELLOW_7,
13677         EL_MM_TELEPORTER_YELLOW_6
13678       },
13679       {
13680         EL_MM_TELEPORTER_GREEN_5,
13681         EL_MM_TELEPORTER_GREEN_4,
13682         EL_MM_TELEPORTER_GREEN_3,
13683         EL_MM_TELEPORTER_GREEN_2,
13684         EL_MM_TELEPORTER_GREEN_1,
13685         EL_MM_TELEPORTER_GREEN_16,
13686         EL_MM_TELEPORTER_GREEN_15,
13687         EL_MM_TELEPORTER_GREEN_14,
13688         EL_MM_TELEPORTER_GREEN_13,
13689         EL_MM_TELEPORTER_GREEN_12,
13690         EL_MM_TELEPORTER_GREEN_11,
13691         EL_MM_TELEPORTER_GREEN_10,
13692         EL_MM_TELEPORTER_GREEN_9,
13693         EL_MM_TELEPORTER_GREEN_8,
13694         EL_MM_TELEPORTER_GREEN_7,
13695         EL_MM_TELEPORTER_GREEN_6
13696       },
13697       {
13698         EL_MM_TELEPORTER_BLUE_5,
13699         EL_MM_TELEPORTER_BLUE_4,
13700         EL_MM_TELEPORTER_BLUE_3,
13701         EL_MM_TELEPORTER_BLUE_2,
13702         EL_MM_TELEPORTER_BLUE_1,
13703         EL_MM_TELEPORTER_BLUE_16,
13704         EL_MM_TELEPORTER_BLUE_15,
13705         EL_MM_TELEPORTER_BLUE_14,
13706         EL_MM_TELEPORTER_BLUE_13,
13707         EL_MM_TELEPORTER_BLUE_12,
13708         EL_MM_TELEPORTER_BLUE_11,
13709         EL_MM_TELEPORTER_BLUE_10,
13710         EL_MM_TELEPORTER_BLUE_9,
13711         EL_MM_TELEPORTER_BLUE_8,
13712         EL_MM_TELEPORTER_BLUE_7,
13713         EL_MM_TELEPORTER_BLUE_6
13714       },
13715       {
13716         EL_MM_POLARIZER_1,
13717         EL_MM_POLARIZER_16,
13718         EL_MM_POLARIZER_15,
13719         EL_MM_POLARIZER_14,
13720         EL_MM_POLARIZER_13,
13721         EL_MM_POLARIZER_12,
13722         EL_MM_POLARIZER_11,
13723         EL_MM_POLARIZER_10,
13724         EL_MM_POLARIZER_9,
13725         EL_MM_POLARIZER_8,
13726         EL_MM_POLARIZER_7,
13727         EL_MM_POLARIZER_6,
13728         EL_MM_POLARIZER_5,
13729         EL_MM_POLARIZER_4,
13730         EL_MM_POLARIZER_3,
13731         EL_MM_POLARIZER_2
13732       },
13733       {
13734         EL_DF_MIRROR_1,
13735         EL_DF_MIRROR_16,
13736         EL_DF_MIRROR_15,
13737         EL_DF_MIRROR_14,
13738         EL_DF_MIRROR_13,
13739         EL_DF_MIRROR_12,
13740         EL_DF_MIRROR_11,
13741         EL_DF_MIRROR_10,
13742         EL_DF_MIRROR_9,
13743         EL_DF_MIRROR_8,
13744         EL_DF_MIRROR_7,
13745         EL_DF_MIRROR_6,
13746         EL_DF_MIRROR_5,
13747         EL_DF_MIRROR_4,
13748         EL_DF_MIRROR_3,
13749         EL_DF_MIRROR_2
13750       },
13751       {
13752         EL_DF_MIRROR_ROTATING_1,
13753         EL_DF_MIRROR_ROTATING_16,
13754         EL_DF_MIRROR_ROTATING_15,
13755         EL_DF_MIRROR_ROTATING_14,
13756         EL_DF_MIRROR_ROTATING_13,
13757         EL_DF_MIRROR_ROTATING_12,
13758         EL_DF_MIRROR_ROTATING_11,
13759         EL_DF_MIRROR_ROTATING_10,
13760         EL_DF_MIRROR_ROTATING_9,
13761         EL_DF_MIRROR_ROTATING_8,
13762         EL_DF_MIRROR_ROTATING_7,
13763         EL_DF_MIRROR_ROTATING_6,
13764         EL_DF_MIRROR_ROTATING_5,
13765         EL_DF_MIRROR_ROTATING_4,
13766         EL_DF_MIRROR_ROTATING_3,
13767         EL_DF_MIRROR_ROTATING_2
13768       },
13769       {
13770         EL_DF_MIRROR_FIXED_1,
13771         EL_DF_MIRROR_FIXED_16,
13772         EL_DF_MIRROR_FIXED_15,
13773         EL_DF_MIRROR_FIXED_14,
13774         EL_DF_MIRROR_FIXED_13,
13775         EL_DF_MIRROR_FIXED_12,
13776         EL_DF_MIRROR_FIXED_11,
13777         EL_DF_MIRROR_FIXED_10,
13778         EL_DF_MIRROR_FIXED_9,
13779         EL_DF_MIRROR_FIXED_8,
13780         EL_DF_MIRROR_FIXED_7,
13781         EL_DF_MIRROR_FIXED_6,
13782         EL_DF_MIRROR_FIXED_5,
13783         EL_DF_MIRROR_FIXED_4,
13784         EL_DF_MIRROR_FIXED_3,
13785         EL_DF_MIRROR_FIXED_2
13786       },
13787
13788       {
13789         -1,
13790       },
13791     };
13792     int i, j;
13793
13794     for (i = 0; swappable_elements[i][0] != -1; i++)
13795     {
13796       int element1 = swappable_elements[i][0];
13797       int element2 = swappable_elements[i][1];
13798
13799       if (old_element == element1 || old_element == element2)
13800         new_element = (old_element == element1 ? element2 : element1);
13801     }
13802
13803     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13804     {
13805       for (j = 0; j < 4; j++)
13806       {
13807         int element = rotatable_elements_4[i][j];
13808
13809         if (old_element == element)
13810           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13811                          button == 2 ? rotatable_elements_4[i][0]           :
13812                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13813                          old_element);
13814       }
13815     }
13816
13817     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13818     {
13819       for (j = 0; j < 8; j++)
13820       {
13821         int element = rotatable_elements_8[i][j];
13822
13823         if (old_element == element)
13824           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13825                          button == 2 ? rotatable_elements_8[i][0]           :
13826                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13827                          old_element);
13828       }
13829     }
13830
13831     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13832     {
13833       for (j = 0; j < 16; j++)
13834       {
13835         int element = rotatable_elements_16[i][j];
13836
13837         if (old_element == element)
13838           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13839                          button == 2 ? rotatable_elements_16[i][0]             :
13840                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13841                          old_element);
13842       }
13843     }
13844
13845     if (old_element != new_element)
13846     {
13847       int max_infotext_len = getMaxInfoTextLength();
13848       char infotext[MAX_OUTPUT_LINESIZE + 1];
13849
13850       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13851       infotext[max_infotext_len] = '\0';
13852
13853       ClearEditorGadgetInfoText();
13854
13855       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13856                 infotext);
13857     }
13858   }
13859
13860   if (IS_MM_WALL_EDITOR(new_element))
13861     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13862   else
13863     SetElementSimple(x, y, new_element, change_level);
13864
13865   last_x = x;
13866   last_y = y;
13867 }
13868
13869 static void ResetIntelliDraw(void)
13870 {
13871   int x, y;
13872
13873   for (x = 0; x < lev_fieldx; x++)
13874     for (y = 0; y < lev_fieldy; y++)
13875       IntelliDrawBuffer[x][y] = Tile[x][y];
13876
13877   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13878 }
13879
13880 static boolean draw_mode_hires = FALSE;
13881
13882 static boolean isHiresTileElement(int element)
13883 {
13884   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13885 }
13886
13887 static boolean isHiresDrawElement(int element)
13888 {
13889   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13890 }
13891
13892 static int numHiresTiles(int element)
13893 {
13894   if (IS_MM_WALL(element))
13895     return get_number_of_bits(MM_WALL_BITS(element));
13896
13897   return 1;
13898 }
13899
13900 static void SetDrawModeHiRes(int element)
13901 {
13902   draw_mode_hires =
13903     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13904      isHiresDrawElement(element));
13905 }
13906
13907 static boolean getDrawModeHiRes(void)
13908 {
13909   return draw_mode_hires;
13910 }
13911
13912 static int getLoResScreenPos(int pos)
13913 {
13914   return (getDrawModeHiRes() ? pos / 2 : pos);
13915 }
13916
13917 static int getLoResScreenMod(int pos)
13918 {
13919   return (getDrawModeHiRes() ? pos % 2 : 0);
13920 }
13921
13922 static void SetElementExt(int x, int y, int dx, int dy, int element,
13923                           boolean change_level, int button)
13924 {
13925   if (element < 0)
13926     SetElementSimple(x, y, Tile[x][y], change_level);
13927   else if (GetKeyModState() & KMOD_Shift)
13928     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13929   else
13930     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13931 }
13932
13933 static void SetElement(int x, int y, int element)
13934 {
13935   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13936 }
13937
13938 static void SetElementButton(int x, int y, int dx, int dy, int element,
13939                              int button)
13940 {
13941   SetElementExt(x, y, dx, dy, element, TRUE, button);
13942 }
13943
13944 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13945 {
13946   int lx = getLoResScreenPos(sx2) + level_xpos;
13947   int ly = getLoResScreenPos(sy2) + level_ypos;
13948   int dx = getLoResScreenMod(sx2);
13949   int dy = getLoResScreenMod(sy2);
13950
13951   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13952 }
13953
13954 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13955 {
13956   int lx = lx2 / 2;
13957   int ly = ly2 / 2;
13958   int dx = lx2 % 2;
13959   int dy = ly2 % 2;
13960
13961   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13962 }
13963
13964 static int getLevelElementHiRes(int lx2, int ly2)
13965 {
13966   int lx = lx2 / 2;
13967   int ly = ly2 / 2;
13968   int dx = lx2 % 2;
13969   int dy = ly2 % 2;
13970   int element = Tile[lx][ly];
13971   unsigned int bitmask = (dx + 1) << (dy * 2);
13972
13973   if (IS_MM_WALL(element))
13974   {
13975     if (element & bitmask)
13976       return map_mm_wall_element(element);
13977     else
13978       return EL_EMPTY;
13979   }
13980
13981   return element;
13982 }
13983
13984 static void DrawLineElement(int x, int y, int element, boolean change_level)
13985 {
13986   SetElementHiRes(x, y, element, change_level);
13987 }
13988
13989 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13990                      int element, boolean change_level)
13991 {
13992   int xsize = ABS(to_x - from_x);
13993   int ysize = ABS(to_y - from_y);
13994   int dx = (to_x < from_x ? -1 : +1);
13995   int dy = (to_y < from_y ? -1 : +1);
13996   int i;
13997
13998   if (from_y == to_y)                   // horizontal line
13999   {
14000     for (i = 0; i <= xsize; i++)
14001       DrawLineElement(from_x + i * dx, from_y, element, change_level);
14002   }
14003   else if (from_x == to_x)              // vertical line
14004   {
14005     for (i = 0; i <= ysize; i++)
14006       DrawLineElement(from_x, from_y + i * dy, element, change_level);
14007   }
14008   else                                  // diagonal line
14009   {
14010     if (ysize < xsize)                  // a < 1
14011     {
14012       float a = (float)ysize / (float)xsize;
14013
14014       for (i = 0; i <= xsize; i++)
14015       {
14016         int x = dx * i;
14017         int y = dy * (int)(a * i + 0.5);
14018
14019         DrawLineElement(from_x + x, from_y + y, element, change_level);
14020       }
14021     }
14022     else                                // a >= 1
14023     {
14024       float a = (float)xsize / (float)ysize;
14025
14026       for (i = 0; i <= ysize; i++)
14027       {
14028         int x = dx * (int)(a * i + 0.5);
14029         int y = dy * i;
14030
14031         DrawLineElement(from_x + x, from_y + y, element, change_level);
14032       }
14033     }
14034   }
14035 }
14036
14037 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
14038                     int element, boolean change_level)
14039 {
14040   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
14041   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
14042   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
14043   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
14044 }
14045
14046 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
14047                           int element, boolean change_level)
14048 {
14049   int y;
14050
14051   if (from_y > to_y)
14052     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
14053
14054   for (y = from_y; y <= to_y; y++)
14055     DrawLine(from_x, y, to_x, y, element, change_level);
14056 }
14057
14058 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
14059                        int element, boolean change_level)
14060 {
14061   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
14062   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
14063   int len_x = ABS(to_x - from_x);
14064   int len_y = ABS(to_y - from_y);
14065   int radius, x, y;
14066
14067   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
14068
14069   // not optimal (some points get drawn twice) but simple,
14070   // and fast enough for the few points we are drawing
14071
14072   for (x = 0; x <= radius; x++)
14073   {
14074     int sx, sy, sx2, sy2, lx, ly;
14075
14076     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
14077
14078     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14079     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14080     sx = getLoResScreenPos(sx2);
14081     sy = getLoResScreenPos(sy2);
14082     lx = sx + level_xpos;
14083     ly = sy + level_ypos;
14084
14085     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14086       DrawLineElement(sx2, sy2, element, change_level);
14087   }
14088
14089   for (y = 0; y <= radius; y++)
14090   {
14091     int sx, sy, sx2, sy2, lx, ly;
14092
14093     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
14094
14095     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
14096     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
14097     sx = getLoResScreenPos(sx2);
14098     sy = getLoResScreenPos(sy2);
14099     lx = sx + level_xpos;
14100     ly = sy + level_ypos;
14101
14102     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14103       DrawLineElement(sx2, sy2, element, change_level);
14104   }
14105 }
14106
14107 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
14108                     int element, boolean change_level)
14109 {
14110   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14111   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14112
14113   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14114 }
14115
14116 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
14117
14118 #if DRAW_CIRCLES_BUTTON_AVAILABLE
14119 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
14120                        int element, boolean change_level)
14121 {
14122   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
14123   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
14124   int mirror_to_x2 = from_x - (to_x2 - from_x);
14125   int mirror_to_y2 = from_y - (to_y2 - from_y);
14126
14127   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
14128   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
14129   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
14130   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
14131 }
14132 #endif
14133
14134 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
14135 {
14136   int from_sx, from_sy;
14137   int to_sx, to_sy;
14138
14139   if (from_x > to_x)
14140     swap_numbers(&from_x, &to_x);
14141
14142   if (from_y > to_y)
14143     swap_numbers(&from_y, &to_y);
14144
14145   from_sx = SX + from_x * ed_tilesize;
14146   from_sy = SY + from_y * ed_tilesize;
14147   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14148   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14149
14150   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14151   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14152   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14153   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14154
14155   if (from_x == to_x && from_y == to_y)
14156     MarkTileDirty(from_x/2, from_y/2);
14157   else
14158     redraw_mask |= REDRAW_FIELD;
14159 }
14160
14161 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14162                         int element, boolean change_level)
14163 {
14164   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14165 }
14166
14167 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14168                        int element, boolean change_level)
14169 {
14170   if (element == -1 || change_level)
14171     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14172   else
14173     DrawAreaBorder(from_x, from_y, to_x, to_y);
14174 }
14175
14176 // values for CopyBrushExt()
14177 #define CB_AREA_TO_BRUSH                0
14178 #define CB_BRUSH_TO_CURSOR              1
14179 #define CB_BRUSH_TO_LEVEL               2
14180 #define CB_DELETE_OLD_CURSOR            3
14181 #define CB_DUMP_BRUSH                   4
14182 #define CB_DUMP_BRUSH_SMALL             5
14183 #define CB_CLIPBOARD_TO_BRUSH           6
14184 #define CB_BRUSH_TO_CLIPBOARD           7
14185 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14186 #define CB_UPDATE_BRUSH_POSITION        9
14187 #define CB_FLIP_BRUSH_X                 10
14188 #define CB_FLIP_BRUSH_Y                 11
14189 #define CB_FLIP_BRUSH_XY                12
14190
14191 #define MAX_CB_PART_SIZE        10
14192 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14193 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14194 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14195                                  MAX_CB_NUM_LINES *     \
14196                                  MAX_CB_PART_SIZE)
14197
14198 static int getFlippedTileExt(int map[], int element)
14199 {
14200   int i;
14201
14202   for (i = 0; map[i] != -1; i++)
14203     if (map[i] == element)
14204       return map[i ^ 1];        // get flipped element by flipping LSB of index
14205
14206   return element;
14207 }
14208
14209 static int getFlippedTileX(int element)
14210 {
14211   int map[] =
14212   {
14213     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14214     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14215     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14216     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14217     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14218     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14219     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14220     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14221     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14222     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14223     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14224     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14225     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14226     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14227     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14228     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14229     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14230     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14231     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14232     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14233     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14234     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14235     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14236     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14237     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14238     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14239     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14240     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14241     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14242     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14243
14244     -1
14245   };
14246
14247   return getFlippedTileExt(map, element);
14248 }
14249
14250 static int getFlippedTileY(int element)
14251 {
14252   int map[] =
14253   {
14254     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14255     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14256     EL_BUG_UP,                          EL_BUG_DOWN,
14257     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14258     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14259     EL_ARROW_UP,                        EL_ARROW_DOWN,
14260     EL_MOLE_UP,                         EL_MOLE_DOWN,
14261     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14262     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14263     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14264     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14265     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14266     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14267     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14268     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14269     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14270     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14271     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14272     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14273     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14274     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14275     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14276     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14277     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14278
14279     -1
14280   };
14281
14282   return getFlippedTileExt(map, element);
14283 }
14284
14285 static int getFlippedTileXY(int element)
14286 {
14287   int map[] =
14288   {
14289     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14290     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14291     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14292     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14293     EL_BUG_LEFT,                        EL_BUG_UP,
14294     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14295     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14296     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14297     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14298     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14299     EL_ARROW_LEFT,                      EL_ARROW_UP,
14300     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14301     EL_MOLE_LEFT,                       EL_MOLE_UP,
14302     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14303     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14304     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14305     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14306     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14307     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14308     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14309     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14310     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14311     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14312     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14313     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14314     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14315     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14316     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14317     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14318     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14319     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14320     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14321     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14322     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14323     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14324     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14325     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14326     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14327     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14328     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14329     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14330     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14331
14332     -1
14333   };
14334
14335   return getFlippedTileExt(map, element);
14336 }
14337
14338 static int getFlippedTile(int element, int mode)
14339 {
14340   if (IS_MM_ELEMENT(element))
14341   {
14342     // get MM game element
14343     element = map_element_RND_to_MM(element);
14344
14345     // get flipped game element
14346     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14347                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14348                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14349                element);
14350
14351     // get RND game element again
14352     element = map_element_MM_to_RND(element);
14353   }
14354   else
14355   {
14356     // get flipped game element
14357     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14358                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14359                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14360                element);
14361   }
14362
14363   return element;
14364 }
14365
14366 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14367 {
14368   // flip tiles
14369   short tile1_flipped = getFlippedTile(*tile1, mode);
14370   short tile2_flipped = getFlippedTile(*tile2, mode);
14371
14372   // swap tiles
14373   *tile1 = tile2_flipped;
14374   *tile2 = tile1_flipped;
14375 }
14376
14377 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14378 {
14379   DrawLineElement(sx, sy, element, change_level);
14380 }
14381
14382 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14383                          int button, int mode)
14384 {
14385   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14386   static int brush_width, brush_height;
14387   static int last_cursor_x = -1, last_cursor_y = -1;
14388   static boolean delete_old_brush = FALSE;
14389   int new_element = BUTTON_ELEMENT(button);
14390   int x, y;
14391
14392   if (mode == CB_DUMP_BRUSH ||
14393       mode == CB_DUMP_BRUSH_SMALL ||
14394       mode == CB_BRUSH_TO_CLIPBOARD ||
14395       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14396   {
14397     if (edit_mode != ED_MODE_DRAWING)
14398       return;
14399
14400     char part[MAX_CB_PART_SIZE + 1] = "";
14401     char text[MAX_CB_TEXT_SIZE + 1] = "";
14402     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14403     int height = (draw_with_brush ? brush_height : lev_fieldy);
14404     char *format = "%s%03d";
14405
14406     for (y = 0; y < height; y++)
14407       for (x = 0; x < width; x++)
14408         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14409           format = "%s%04d";
14410
14411     for (y = 0; y < height; y++)
14412     {
14413       for (x = 0; x < width; x++)
14414       {
14415         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14416         char *prefix = (mode == CB_DUMP_BRUSH ||
14417                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14418
14419         if (element >= NUM_FILE_ELEMENTS)
14420           element = EL_UNKNOWN;
14421
14422         // copy brush to level sketch text buffer for the R'n'D forum:
14423         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14424         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14425         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14426         strcat(text, part);
14427       }
14428
14429       strcat(text, "\n");
14430     }
14431
14432     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14433         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14434       SDL_SetClipboardText(text);
14435     else
14436       Print("%s", text);        // print brush data to console and log file
14437
14438     return;
14439   }
14440
14441   if (mode == CB_CLIPBOARD_TO_BRUSH)
14442   {
14443     if (edit_mode != ED_MODE_DRAWING)
14444       return;
14445
14446     if (!SDL_HasClipboardText())
14447     {
14448       Request("Clipboard is empty!", REQ_CONFIRM);
14449
14450       return;
14451     }
14452
14453     boolean copy_to_brush = (draw_with_brush ||
14454                              drawing_function == GADGET_ID_GRAB_BRUSH);
14455
14456     // this will delete the old brush, if already drawing with a brush
14457     if (copy_to_brush)
14458       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14459
14460     // initialization is required for "odd" (incomplete) clipboard content
14461     for (x = 0; x < MAX_LEV_FIELDX; x++)
14462       for (y = 0; y < MAX_LEV_FIELDY; y++)
14463         brush_buffer[x][y] = EL_EMPTY;
14464
14465     brush_width  = 0;
14466     brush_height = 0;
14467     x = 0;
14468     y = 0;
14469
14470     char *clipboard_text = SDL_GetClipboardText();
14471     char *ptr = clipboard_text;
14472     boolean allow_new_row = FALSE;
14473     boolean stop = FALSE;
14474
14475     while (*ptr && !stop)
14476     {
14477       boolean prefix_found = FALSE;
14478       boolean start_new_row = FALSE;
14479
14480       // level sketch element number prefixes (may be multi-byte characters)
14481       char *prefix_list[] = { "`", "¸" };
14482       int i;
14483
14484       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14485       {
14486         char *prefix = prefix_list[i];
14487
14488         // check if string is large enough for prefix
14489         if (strlen(ptr) < strlen(prefix))
14490         {
14491           stop = TRUE;
14492
14493           break;
14494         }
14495
14496         // check if string starts with prefix
14497         if (strPrefix(ptr, prefix))
14498         {
14499           ptr += strlen(prefix);
14500
14501           prefix_found = TRUE;
14502
14503           break;
14504         }
14505       }
14506
14507       // check if prefix found and followed by (at least) three digits
14508       if (prefix_found &&
14509           strlen(ptr) >= 3 &&
14510           ptr[0] >= '0' && ptr[0] <= '9' &&
14511           ptr[1] >= '0' && ptr[1] <= '9' &&
14512           ptr[2] >= '0' && ptr[2] <= '9')
14513       {
14514         int element = ((ptr[0] - '0') * 100 +
14515                        (ptr[1] - '0') * 10 +
14516                        (ptr[2] - '0'));
14517
14518         ptr += 3;
14519
14520         // level sketch element number might consist of four digits
14521         if (ptr[0] >= '0' && ptr[0] <= '9')
14522         {
14523           element = element * 10 + (ptr[0] - '0');
14524           ptr++;
14525         }
14526
14527         // remap some (historic, now obsolete) elements
14528         element = getMappedElement(element);
14529
14530         if (element >= NUM_FILE_ELEMENTS)
14531           element = EL_UNKNOWN;
14532
14533         brush_buffer[x][y] = element;
14534
14535         brush_width  = MAX(x + 1, brush_width);
14536         brush_height = MAX(y + 1, brush_height);
14537
14538         x++;
14539
14540         if (x >= MAX_LEV_FIELDX)
14541           start_new_row = TRUE;
14542
14543         allow_new_row = TRUE;
14544       }
14545       else
14546       {
14547         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14548           start_new_row = TRUE;
14549
14550         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14551       }
14552
14553       if (start_new_row)
14554       {
14555         x = 0;
14556         y++;
14557
14558         if (y >= MAX_LEV_FIELDY)
14559           stop = TRUE;
14560
14561         allow_new_row = FALSE;
14562       }
14563     }
14564
14565     SDL_free(clipboard_text);
14566
14567     if (brush_width == 0 || brush_height == 0)
14568     {
14569       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14570
14571       return;
14572     }
14573
14574     if (copy_to_brush)
14575     {
14576       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14577       int mx, my;
14578
14579       SDL_GetMouseState(&mx, &my);
14580
14581       // if inside drawing area, activate and draw brush at last mouse position
14582       if (mx >= gi->x && mx < gi->x + gi->width &&
14583           my >= gi->y && my < gi->y + gi->height)
14584         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14585
14586       draw_with_brush = TRUE;
14587     }
14588     else
14589     {
14590       char request[100];
14591
14592       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14593               brush_width, brush_height);
14594
14595       if (!Request(request, REQ_ASK))
14596         return;
14597
14598       for (x = 0; x < MAX_LEV_FIELDX; x++)
14599         for (y = 0; y < MAX_LEV_FIELDY; y++)
14600           Tile[x][y] = brush_buffer[x][y];
14601
14602       lev_fieldx = level.fieldx = brush_width;
14603       lev_fieldy = level.fieldy = brush_height;
14604
14605       boolean use_bd_engine = TRUE;
14606       boolean use_em_engine = TRUE;
14607       boolean use_sp_engine = TRUE;
14608       boolean use_mm_engine = TRUE;
14609
14610       for (x = 0; x < MAX_LEV_FIELDX; x++)
14611       {
14612         for (y = 0; y < MAX_LEV_FIELDY; y++)
14613         {
14614           int element = Tile[x][y];
14615
14616           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14617             use_bd_engine = FALSE;
14618
14619           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14620             use_em_engine = FALSE;
14621
14622           if (!IS_SP_ELEMENT(element))
14623             use_sp_engine = FALSE;
14624
14625           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14626             use_mm_engine = FALSE;
14627         }
14628       }
14629
14630       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14631                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14632                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14633                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14634                                 GAME_ENGINE_TYPE_RND);
14635
14636       // update element selection list
14637       ReinitializeElementList();
14638       ModifyEditorElementList();
14639
14640       SetBorderElement();
14641
14642       DrawEditModeWindow();
14643       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14644     }
14645
14646     return;
14647   }
14648
14649   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14650     return;
14651
14652   if (mode == CB_AREA_TO_BRUSH)
14653   {
14654     int from_lx, from_ly;
14655
14656     if (from_x > to_x)
14657       swap_numbers(&from_x, &to_x);
14658
14659     if (from_y > to_y)
14660       swap_numbers(&from_y, &to_y);
14661
14662     brush_width = to_x - from_x + 1;
14663     brush_height = to_y - from_y + 1;
14664
14665     from_lx = from_x + level_xpos;
14666     from_ly = from_y + level_ypos;
14667
14668     for (y = 0; y < brush_height; y++)
14669     {
14670       for (x = 0; x < brush_width; x++)
14671       {
14672         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14673
14674         if (button != 1)
14675           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14676       }
14677     }
14678
14679     if (button != 1)
14680       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14681
14682     delete_old_brush = FALSE;
14683   }
14684   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14685            mode == CB_BRUSH_TO_LEVEL)
14686   {
14687     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14688     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14689     int cursor_from_x = cursor_x - brush_width / 2;
14690     int cursor_from_y = cursor_y - brush_height / 2;
14691     int border_from_x = cursor_x, border_from_y = cursor_y;
14692     int border_to_x = cursor_x, border_to_y = cursor_y;
14693
14694     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14695       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14696
14697     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14698         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14699     {
14700       delete_old_brush = FALSE;
14701
14702       return;
14703     }
14704
14705     for (y = 0; y < brush_height; y++)
14706     {
14707       for (x = 0; x < brush_width; x++)
14708       {
14709         int sx = cursor_from_x + x;
14710         int sy = cursor_from_y + y;
14711         int lx = sx + level_xpos;
14712         int ly = sy + level_ypos;
14713         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14714         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14715                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14716                        brush_buffer[x][y] : new_element);
14717
14718         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14719         {
14720           if (sx < border_from_x)
14721             border_from_x = sx;
14722           else if (sx > border_to_x)
14723             border_to_x = sx;
14724           if (sy < border_from_y)
14725             border_from_y = sy;
14726           else if (sy > border_to_y)
14727             border_to_y = sy;
14728
14729           DrawBrushElement(sx, sy, element, change_level);
14730         }
14731       }
14732     }
14733
14734     if (mode != CB_DELETE_OLD_CURSOR)
14735       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14736
14737     last_cursor_x = cursor_x;
14738     last_cursor_y = cursor_y;
14739
14740     delete_old_brush = TRUE;
14741   }
14742   else if (mode == CB_FLIP_BRUSH_X)
14743   {
14744     for (y = 0; y < brush_height; y++)
14745       for (x = 0; x < (brush_width + 1) / 2; x++)
14746         SwapFlippedTiles(&brush_buffer[x][y],
14747                          &brush_buffer[brush_width - x - 1][y], mode);
14748
14749     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14750   }
14751   else if (mode == CB_FLIP_BRUSH_Y)
14752   {
14753     for (y = 0; y < (brush_height + 1) / 2; y++)
14754       for (x = 0; x < brush_width; x++)
14755         SwapFlippedTiles(&brush_buffer[x][y],
14756                          &brush_buffer[x][brush_height - y - 1], mode);
14757
14758     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14759   }
14760   else if (mode == CB_FLIP_BRUSH_XY)
14761   {
14762     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14763
14764     for (y = 0; y < MAX(brush_width, brush_height); y++)
14765       for (x = 0; x <= y; x++)
14766         SwapFlippedTiles(&brush_buffer[x][y],
14767                          &brush_buffer[y][x], mode);
14768
14769     swap_numbers(&brush_width, &brush_height);
14770
14771     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14772   }
14773
14774   if (mode == CB_UPDATE_BRUSH_POSITION)
14775   {
14776     last_cursor_x = from_x;
14777     last_cursor_y = from_y;
14778   }
14779 }
14780
14781 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14782                             int button)
14783 {
14784   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14785 }
14786
14787 static void CopyBrushToLevel(int x, int y, int button)
14788 {
14789   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14790 }
14791
14792 static void CopyBrushToCursor(int x, int y)
14793 {
14794   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14795 }
14796
14797 static void UpdateBrushPosition(int x, int y)
14798 {
14799   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14800 }
14801
14802 static void DeleteBrushFromCursor(void)
14803 {
14804   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14805 }
14806
14807 static void FlipBrushX(void)
14808 {
14809   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14810 }
14811
14812 static void FlipBrushY(void)
14813 {
14814   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14815 }
14816
14817 static void RotateBrush(void)
14818 {
14819   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14820   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14821 }
14822
14823 void DumpBrush(void)
14824 {
14825   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14826 }
14827
14828 void DumpBrush_Small(void)
14829 {
14830   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14831 }
14832
14833 void CopyClipboardToBrush(void)
14834 {
14835   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14836 }
14837
14838 void CopyBrushToClipboard(void)
14839 {
14840   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14841 }
14842
14843 void CopyBrushToClipboard_Small(void)
14844 {
14845   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14846 }
14847
14848 void UndoLevelEditorOperation(void)
14849 {
14850   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14851 }
14852
14853 void RedoLevelEditorOperation(void)
14854 {
14855   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14856 }
14857
14858 static void FloodFill(int from_x, int from_y, int fill_element)
14859 {
14860   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14861 }
14862
14863 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14864 {
14865   int from_x = from_sx2 + 2 * level_xpos;
14866   int from_y = from_sy2 + 2 * level_ypos;
14867   int max_fillx = lev_fieldx * 2;
14868   int max_filly = lev_fieldy * 2;
14869   short Fill[max_fillx][max_filly];
14870   int x, y;
14871
14872   for (x = 0; x < max_fillx; x++)
14873     for (y = 0; y < max_filly; y++)
14874       Fill[x][y] = getLevelElementHiRes(x, y);
14875
14876   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14877                     Fill, max_fillx, max_filly);
14878
14879   for (x = 0; x < max_fillx; x++)
14880     for (y = 0; y < max_filly; y++)
14881       if (Fill[x][y] == fill_element)
14882         SetLevelElementHiRes(x, y, Fill[x][y]);
14883 }
14884
14885 // values for DrawLevelText() modes
14886 #define TEXT_INIT               0
14887 #define TEXT_SETCURSOR          1
14888 #define TEXT_WRITECHAR          2
14889 #define TEXT_BACKSPACE          3
14890 #define TEXT_NEWLINE            4
14891 #define TEXT_END                5
14892 #define TEXT_QUERY_TYPING       6
14893
14894 static int DrawLevelText(int sx, int sy, char letter, int mode)
14895 {
14896   static short delete_buffer[MAX_LEV_FIELDX];
14897   static int start_sx;
14898   static int last_sx, last_sy;
14899   static boolean typing = FALSE;
14900   int letter_element;
14901   int lx = 0, ly = 0;
14902
14903   // map lower case letters to upper case and convert special characters
14904   if (letter >= 'a' && letter <= 'z')
14905     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14906   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14907     letter_element = EL_CHAR_AUMLAUT;
14908   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14909     letter_element = EL_CHAR_OUMLAUT;
14910   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14911     letter_element = EL_CHAR_UUMLAUT;
14912   else if (letter == '^')
14913     letter_element = EL_CHAR_COPYRIGHT;
14914   else
14915     letter_element = EL_CHAR_ASCII0 + letter;
14916
14917   if (mode != TEXT_INIT)
14918   {
14919     if (!typing)
14920       return FALSE;
14921
14922     if (mode != TEXT_SETCURSOR)
14923     {
14924       sx = last_sx;
14925       sy = last_sy;
14926     }
14927
14928     lx = last_sx + level_xpos;
14929     ly = last_sy + level_ypos;
14930   }
14931
14932   switch (mode)
14933   {
14934     case TEXT_INIT:
14935       if (typing)
14936         DrawLevelText(0, 0, 0, TEXT_END);
14937
14938       typing = TRUE;
14939       start_sx = sx;
14940       last_sx = sx;
14941       last_sy = sy;
14942       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14943       break;
14944
14945     case TEXT_SETCURSOR:
14946       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14947       DrawAreaBorder(sx, sy, sx, sy);
14948       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14949                      ed_tilesize, ed_tilesize);
14950       last_sx = sx;
14951       last_sy = sy;
14952       break;
14953
14954     case TEXT_WRITECHAR:
14955       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14956       {
14957         if (new_element1 >= EL_STEEL_CHAR_START &&
14958             new_element1 <= EL_STEEL_CHAR_END)
14959           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14960
14961         delete_buffer[sx - start_sx] = Tile[lx][ly];
14962         Tile[lx][ly] = letter_element;
14963
14964         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14965           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14966         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14967           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14968         else
14969           DrawLevelText(0, 0, 0, TEXT_END);
14970
14971         level.changed = TRUE;
14972       }
14973       break;
14974
14975     case TEXT_BACKSPACE:
14976       if (sx > start_sx)
14977       {
14978         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14979         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14980         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14981       }
14982       break;
14983
14984     case TEXT_NEWLINE:
14985       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14986         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14987       else
14988         DrawLevelText(0, 0, 0, TEXT_END);
14989       break;
14990
14991     case TEXT_END:
14992       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14993       DrawEditorElement(sx, sy, Tile[lx][ly]);
14994       StopTextInput();
14995       typing = FALSE;
14996       break;
14997
14998     case TEXT_QUERY_TYPING:
14999       break;
15000
15001     default:
15002       break;
15003   }
15004
15005   return typing;
15006 }
15007
15008 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
15009                           int element, boolean change_level)
15010 {
15011   int lx = sx + level_xpos;
15012   int ly = sy + level_ypos;
15013
15014   if (element == -1)
15015     DrawEditorElement(sx, sy, Tile[lx][ly]);
15016   else
15017     DrawAreaBorder(sx, sy, sx, sy);
15018 }
15019
15020 static void CheckLevelBorderElement(boolean redraw_playfield)
15021 {
15022   int last_border_element = BorderElement;
15023
15024   SetBorderElement();
15025
15026   if (redraw_playfield && BorderElement != last_border_element)
15027     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15028 }
15029
15030 static void CopyLevelToUndoBuffer(int mode)
15031 {
15032   static boolean accumulated_undo = FALSE;
15033   boolean new_undo_buffer_position = TRUE;
15034   int x, y;
15035
15036   if (undo_buffer_steps == 0)
15037     accumulated_undo = FALSE;
15038
15039   switch (mode)
15040   {
15041     case UNDO_IMMEDIATE:
15042       accumulated_undo = FALSE;
15043       break;
15044
15045     case UNDO_ACCUMULATE:
15046       if (accumulated_undo)
15047         new_undo_buffer_position = FALSE;
15048       accumulated_undo = TRUE;
15049       break;
15050
15051     default:
15052       break;
15053   }
15054
15055   if (new_undo_buffer_position)
15056   {
15057     // advance position in undo buffer ring
15058     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15059
15060     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
15061       undo_buffer_steps++;
15062   }
15063
15064   // always reset redo buffer when storing level change into undo buffer
15065   redo_buffer_steps = 0;
15066
15067   for (x = 0; x < lev_fieldx; x++)
15068     for (y = 0; y < lev_fieldy; y++)
15069       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
15070
15071   // check if drawing operation forces change of border style
15072   CheckLevelBorderElement(TRUE);
15073
15074   level.changed = TRUE;
15075 }
15076
15077 static void RandomPlacement(int new_element)
15078 {
15079   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
15080   int num_free_positions = 0;
15081   int num_percentage, num_elements;
15082   int x, y;
15083
15084   ResetIntelliDraw();
15085
15086   // determine number of free positions for randomly placing the new element
15087   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
15088   {
15089     free_position[x][y] =
15090       (random_placement_background_restricted ?
15091        Tile[x][y] == random_placement_background_element :
15092        Tile[x][y] != new_element);
15093
15094     if (free_position[x][y])
15095       num_free_positions++;
15096   }
15097
15098   // determine number of new elements to place there
15099   num_percentage = num_free_positions * random_placement_value / 100;
15100   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
15101                   num_percentage : random_placement_value);
15102
15103   // if less free positions than elements to place, fill all these positions
15104   if (num_free_positions < num_elements)
15105   {
15106     for (x = 0; x < lev_fieldx; x++)
15107       for (y = 0; y < lev_fieldy; y++)
15108         if (free_position[x][y])
15109           SetElement(x, y, new_element);
15110   }
15111   else
15112   {
15113     while (num_elements > 0)
15114     {
15115       x = GetSimpleRandom(lev_fieldx);
15116       y = GetSimpleRandom(lev_fieldy);
15117
15118       // don't place element at the same position twice
15119       if (free_position[x][y])
15120       {
15121         free_position[x][y] = FALSE;
15122         SetElement(x, y, new_element);
15123         num_elements--;
15124       }
15125     }
15126   }
15127
15128   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15129   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15130 }
15131
15132 static void WrapLevel(int dx, int dy)
15133 {
15134   int wrap_dx = lev_fieldx - dx;
15135   int wrap_dy = lev_fieldy - dy;
15136   int x, y;
15137
15138   for (x = 0; x < lev_fieldx; x++)
15139     for (y = 0; y < lev_fieldy; y++)
15140       TileBackup[x][y] = Tile[x][y];
15141
15142   for (x = 0; x < lev_fieldx; x++)
15143     for (y = 0; y < lev_fieldy; y++)
15144       Tile[x][y] =
15145         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15146
15147   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15148   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15149 }
15150
15151 static void DrawAreaElementHighlight(boolean highlighted,
15152                                      boolean highlighted_similar)
15153 {
15154   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15155
15156   if (!highlighted)
15157     return;
15158
15159   int x, y;
15160
15161   for (x = 0; x < ed_fieldx; x++)
15162   {
15163     for (y = 0; y < ed_fieldy; y++)
15164     {
15165       boolean highlight = FALSE;
15166       int lx = x + level_xpos;
15167       int ly = y + level_ypos;
15168
15169       if (!IN_LEV_FIELD(lx, ly))
15170         continue;
15171
15172       // check if element is the same
15173       if (Tile[lx][ly] == new_element1)
15174         highlight = TRUE;
15175
15176       // check if element is similar
15177       if (highlighted_similar &&
15178           strEqual(element_info[Tile[lx][ly]].class_name,
15179                    element_info[new_element1].class_name))
15180         highlight = TRUE;
15181
15182       // check if element is matching MM style wall
15183       if (IS_MM_WALL(Tile[lx][ly]) &&
15184           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15185         highlight = TRUE;
15186
15187       if (!highlight)
15188         continue;
15189
15190       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15191       {
15192         int i;
15193
15194         for (i = 0; i < 4; i++)
15195         {
15196           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15197             continue;
15198
15199           int xx = x * 2 + (i % 2);
15200           int yy = y * 2 + (i / 2);
15201           int sx = SX + xx * ed_tilesize / 2;
15202           int sy = SY + yy * ed_tilesize / 2;
15203           int from_sx = sx;
15204           int from_sy = sy;
15205           int to_sx = sx + ed_tilesize / 2 - 1;
15206           int to_sy = sy + ed_tilesize / 2 - 1;
15207
15208           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15209           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15210           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15211           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15212         }
15213       }
15214       else
15215       {
15216         int sx = SX + x * ed_tilesize;
15217         int sy = SY + y * ed_tilesize;
15218         int from_sx = sx;
15219         int from_sy = sy;
15220         int to_sx = sx + ed_tilesize - 1;
15221         int to_sy = sy + ed_tilesize - 1;
15222
15223         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15224         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15225         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15226         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15227       }
15228     }
15229   }
15230 }
15231
15232 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15233 {
15234   char *template_filename_old = getLocalLevelTemplateFilename();
15235   char *template_filename_new =
15236     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15237
15238   if (copyFile(template_filename_old, template_filename_new) != 0)
15239     Request("Cannot copy level template!", REQ_CONFIRM);
15240
15241   free(template_filename_new);
15242 }
15243
15244 static void HandleDrawingAreas(struct GadgetInfo *gi)
15245 {
15246   static boolean started_inside_drawing_area = FALSE;
15247   static int last_sx = -1;
15248   static int last_sy = -1;
15249   static int last_sx2 = -1;
15250   static int last_sy2 = -1;
15251   int id = gi->custom_id;
15252   int type_id = gi->custom_type_id;
15253   boolean button_press_event;
15254   boolean button_release_event;
15255   boolean inside_drawing_area = !gi->event.off_borders;
15256   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15257   int actual_drawing_function;
15258   int button = gi->event.button;
15259   int new_element = BUTTON_ELEMENT(button);
15260   int sx = gi->event.x, sy = gi->event.y;
15261   int min_sx = 0, min_sy = 0;
15262   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15263   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15264   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15265   int sx2 = gi->event.mx / mini_item_xsize;
15266   int sy2 = gi->event.my / mini_item_ysize;
15267   int dx = sx2 % 2;
15268   int dy = sy2 % 2;
15269   int lx = 0, ly = 0;
15270   int x, y;
15271
15272   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15273   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15274
15275   // make sure to stay inside drawing area boundaries
15276   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15277   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15278
15279   if (draw_level)
15280   {
15281     int min_lx = 0, min_ly = 0;
15282     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15283
15284     // get positions inside level field
15285     lx = sx + level_xpos;
15286     ly = sy + level_ypos;
15287
15288     if (!IN_LEV_FIELD(lx, ly))
15289       inside_drawing_area = FALSE;
15290
15291     // make sure to stay inside level field boundaries
15292     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15293     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15294
15295     // correct drawing area positions accordingly
15296     sx = lx - level_xpos;
15297     sy = ly - level_ypos;
15298   }
15299
15300   // also correct MM wall-sized (double) drawing area positions accordingly
15301   if (sx2 / 2 < sx || sx2 / 2 > sx)
15302   {
15303     dx = (sx2 / 2 < sx ? 0 : 1);
15304     sx2 = sx * 2 + dx;
15305   }
15306   if (sy2 / 2 < sy || sy2 / 2 > sy)
15307   {
15308     dy = (sy2 / 2 < sy ? 0 : 1);
15309     sy2 = sy * 2 + dy;
15310   }
15311
15312   if (!button_press_event && !button_release_event)
15313   {
15314     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15315     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15316                              isHiresTileElement(old_element) &&
15317                              isHiresDrawElement(new_element));
15318
15319     // prevent handling events for every pixel position when moving mouse
15320     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15321         (sx2 == last_sx2 && sy2 == last_sy2))
15322       return;
15323   }
15324
15325   last_sx = sx;
15326   last_sy = sy;
15327   last_sx2 = sx2;
15328   last_sy2 = sy2;
15329
15330   if (button_press_event)
15331     started_inside_drawing_area = inside_drawing_area;
15332
15333   if (!started_inside_drawing_area)
15334     return;
15335
15336   if (!IS_VALID_BUTTON(button))
15337     return;
15338
15339   // handle info callback for each invocation of action callback
15340   gi->callback_info(gi);
15341
15342   // automatically switch to 'single item' drawing mode, if needed
15343   actual_drawing_function =
15344     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15345      drawing_function : GADGET_ID_SINGLE_ITEMS);
15346
15347   // clicking into drawing area with pressed Control key picks element
15348   if (GetKeyModState() & KMOD_Control)
15349   {
15350     last_drawing_function = drawing_function;
15351     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15352   }
15353
15354   if (GetKeyModState() & KMOD_Shift)
15355   {
15356     if (button_press_event || button_release_event)
15357       ResetIntelliDraw();
15358   }
15359
15360   SetDrawModeHiRes(-1);         // reset to normal draw mode
15361
15362   switch (actual_drawing_function)
15363   {
15364     case GADGET_ID_SINGLE_ITEMS:
15365       if (draw_level)
15366       {
15367         if (button_release_event)
15368         {
15369           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15370
15371           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15372               !inside_drawing_area)
15373             DeleteBrushFromCursor();
15374
15375           break;
15376         }
15377
15378         if (draw_with_brush)
15379         {
15380           CopyBrushToLevel(sx, sy, button);
15381         }
15382         else
15383         {
15384           SetDrawModeHiRes(new_element);
15385
15386           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15387           {
15388             // remove player at old position
15389             for (y = 0; y < lev_fieldy; y++)
15390             {
15391               for (x = 0; x < lev_fieldx; x++)
15392               {
15393                 int old_element = Tile[x][y];
15394
15395                 if (IS_PLAYER_ELEMENT(old_element) &&
15396                     IS_PLAYER_ELEMENT(new_element))
15397                 {
15398                   int replaced_with_element =
15399                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15400                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15401
15402                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15403                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15404
15405                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15406                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15407
15408                      new_element >= EL_PLAYER_1 &&
15409                      new_element <= EL_PLAYER_4 &&
15410                      new_element == old_element ? EL_EMPTY :
15411
15412                      old_element);
15413
15414                   SetElement(x, y, replaced_with_element);
15415                 }
15416                 else if (IS_MM_MCDUFFIN(old_element) &&
15417                          IS_MM_MCDUFFIN(new_element))
15418                 {
15419                   // remove McDuffin at old position
15420                   SetElement(x, y, EL_EMPTY);
15421                 }
15422               }
15423             }
15424           }
15425
15426           SetElementButton(lx, ly, dx, dy, new_element, button);
15427         }
15428       }
15429       else if (!button_release_event)
15430       {
15431         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15432
15433         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15434           DrawMiniGraphicExt(drawto,
15435                              gi->x + sx * MINI_TILEX,
15436                              gi->y + sy * MINI_TILEY,
15437                              el2edimg(new_element));
15438         else
15439           DrawFixedGraphicExt(drawto,
15440                               gi->x + sx * TILEX,
15441                               gi->y + sy * TILEY,
15442                               el2edimg(new_element), 0);
15443
15444         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15445           new_element = GFX_ELEMENT(new_element);
15446
15447         drawingarea_info[type_id].value[pos] = new_element;
15448
15449         CopyElementPropertiesToGame(properties_element);
15450
15451         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15452         {
15453           UpdateCustomElementGraphicGadgets();
15454
15455           FrameCounter = 0;     // restart animation frame counter
15456         }
15457       }
15458       break;
15459
15460     case GADGET_ID_CONNECTED_ITEMS:
15461       {
15462         static int last_sx = -1;
15463         static int last_sy = -1;
15464
15465         if (button_release_event)
15466           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15467
15468         SetDrawModeHiRes(new_element);
15469
15470         if (getDrawModeHiRes())
15471         {
15472           sx = sx2;
15473           sy = sy2;
15474         }
15475
15476         if (!button_press_event)
15477           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15478
15479         last_sx = sx;
15480         last_sy = sy;
15481       }
15482       break;
15483
15484     case GADGET_ID_LINE:
15485     case GADGET_ID_ARC:
15486     case GADGET_ID_RECTANGLE:
15487     case GADGET_ID_FILLED_BOX:
15488       SetDrawModeHiRes(new_element);
15489
15490       if (getDrawModeHiRes())
15491       {
15492         sx = sx2;
15493         sy = sy2;
15494       }
15495       // FALLTHROUGH
15496     case GADGET_ID_GRAB_BRUSH:
15497     case GADGET_ID_TEXT:
15498       {
15499         static int last_sx = -1;
15500         static int last_sy = -1;
15501         static int start_sx = -1;
15502         static int start_sy = -1;
15503         void (*draw_func)(int, int, int, int, int, boolean);
15504
15505         if (drawing_function == GADGET_ID_LINE)
15506           draw_func = DrawLine;
15507         else if (drawing_function == GADGET_ID_ARC)
15508           draw_func = DrawArc;
15509         else if (drawing_function == GADGET_ID_RECTANGLE)
15510           draw_func = DrawBox;
15511         else if (drawing_function == GADGET_ID_FILLED_BOX)
15512           draw_func = DrawFilledBox;
15513         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15514           draw_func = SelectArea;
15515         else // (drawing_function == GADGET_ID_TEXT)
15516           draw_func = SetTextCursor;
15517
15518         if (button_press_event)
15519         {
15520           draw_func(sx, sy, sx, sy, new_element, FALSE);
15521           start_sx = last_sx = sx;
15522           start_sy = last_sy = sy;
15523
15524           if (drawing_function == GADGET_ID_TEXT)
15525             DrawLevelText(0, 0, 0, TEXT_END);
15526         }
15527         else if (button_release_event)
15528         {
15529           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15530           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15531           {
15532             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15533             CopyBrushToCursor(sx, sy);
15534             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15535                           MB_LEFTBUTTON);
15536             draw_with_brush = TRUE;
15537           }
15538           else if (drawing_function == GADGET_ID_TEXT)
15539             DrawLevelText(sx, sy, 0, TEXT_INIT);
15540           else
15541             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15542         }
15543         else if (last_sx != sx || last_sy != sy)
15544         {
15545           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15546           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15547             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15548           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15549           last_sx = sx;
15550           last_sy = sy;
15551         }
15552       }
15553       break;
15554
15555     case GADGET_ID_FLOOD_FILL:
15556       if (button_press_event && Tile[lx][ly] != new_element)
15557       {
15558         if (IS_MM_WALL_EDITOR(new_element))
15559           FloodFillWall_MM(sx2, sy2, new_element);
15560         else
15561           FloodFill(lx, ly, new_element);
15562
15563         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15564         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15565       }
15566       break;
15567
15568     case GADGET_ID_PICK_ELEMENT:
15569       if (button_release_event)
15570         ClickOnGadget(level_editor_gadget[last_drawing_function],
15571                       MB_LEFTBUTTON);
15572       else if (draw_level)
15573         PickDrawingElement(button, Tile[lx][ly]);
15574       else
15575       {
15576         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15577
15578         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15579       }
15580
15581     default:
15582       break;
15583   }
15584
15585   // do not mark level as modified for certain non-level-changing gadgets
15586   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15587        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15588       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15589       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15590     return;
15591
15592   level.changed = TRUE;
15593 }
15594
15595 static void HandleCounterButtons(struct GadgetInfo *gi)
15596 {
15597   int gadget_id = gi->custom_id;
15598   int counter_id = gi->custom_type_id;
15599   int button = gi->event.button;
15600   int *counter_value = counterbutton_info[counter_id].value;
15601   int step = BUTTON_STEPSIZE(button) *
15602     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15603
15604   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15605   {
15606     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15607     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15608     boolean level_changed = LevelChanged();
15609
15610     if ((level_changed && pressed) || (!level_changed && released))
15611       return;
15612
15613     if (level_changed && !Request("Level has changed! Discard changes?",
15614                                   REQ_ASK))
15615     {
15616       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15617         ModifyEditorCounterValue(counter_id, *counter_value);
15618
15619       return;
15620     }
15621   }
15622
15623   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15624     *counter_value = gi->textinput.number_value;
15625   else
15626     ModifyEditorCounterValue(counter_id, *counter_value + step);
15627
15628   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15629   {
15630     int last_game_engine_type = level.game_engine_type;
15631
15632     LoadLevel(level_nr);
15633     LoadScore(level_nr);
15634
15635     SaveLevelSetup_SeriesInfo();
15636
15637     TapeErase();
15638
15639     ResetUndoBuffer();
15640     DrawEditModeWindow();
15641
15642     if (level.game_engine_type != last_game_engine_type)
15643     {
15644       // update element selection list
15645       ReinitializeElementList();
15646       ModifyEditorElementList();
15647     }
15648
15649     return;
15650   }
15651
15652   switch (counter_id)
15653   {
15654     case ED_COUNTER_ID_YAMYAM_CONTENT:
15655       DrawYamYamContentAreas();
15656       break;
15657
15658     case ED_COUNTER_ID_BALL_CONTENT:
15659       DrawMagicBallContentAreas();
15660       break;
15661
15662     case ED_COUNTER_ID_ANDROID_CONTENT:
15663       DrawAndroidElementArea();
15664       break;
15665
15666     case ED_COUNTER_ID_GROUP_CONTENT:
15667       DrawGroupElementArea();
15668       CopyGroupElementPropertiesToGame(properties_element);
15669       break;
15670
15671     case ED_COUNTER_ID_INVENTORY_SIZE:
15672       DrawPlayerInitialInventoryArea(properties_element);
15673       break;
15674
15675     case ED_COUNTER_ID_MM_BALL_CONTENT:
15676       DrawMMBallContentArea();
15677       break;
15678
15679     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15680     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15681       DrawEnvelopeTextArea(-1);
15682       break;
15683
15684     case ED_COUNTER_ID_LEVEL_XSIZE:
15685     case ED_COUNTER_ID_LEVEL_YSIZE:
15686       lev_fieldx = level.fieldx;
15687       lev_fieldy = level.fieldy;
15688
15689       // check if resizing of level results in change of border border
15690       SetBorderElement();
15691
15692       break;
15693
15694     default:
15695       break;
15696   }
15697
15698   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15699        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15700       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15701        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15702     CopyElementPropertiesToGame(properties_element);
15703
15704   // do not mark level as modified for certain non-level-changing gadgets
15705   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15706        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15707       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15708        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15709     return;
15710
15711   level.changed = TRUE;
15712 }
15713
15714 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15715 {
15716   int type_id = gi->custom_type_id;
15717
15718   strcpy(textinput_info[type_id].value, gi->textinput.value);
15719
15720   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15721   {
15722     CopyElementPropertiesToGame(properties_element);
15723
15724     ModifyEditorElementList();  // update changed button info text
15725   }
15726
15727   // do not mark level as modified for certain non-level-changing gadgets
15728   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15729       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15730     return;
15731
15732   level.changed = TRUE;
15733 }
15734
15735 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15736 {
15737   int type_id = gi->custom_type_id;
15738
15739   strncpy(textarea_info[type_id].value, gi->textarea.value,
15740           MAX_ENVELOPE_TEXT_LEN);
15741   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15742
15743   level.changed = TRUE;
15744 }
15745
15746 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15747 {
15748   int type_id = gi->custom_type_id;
15749   int value_old = *selectbox_info[type_id].value;
15750   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15751
15752   *selectbox_info[type_id].value = value_new;
15753
15754   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15755   {
15756     DrawLevelConfigWindow();
15757   }
15758   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15759   {
15760     element_info[properties_element].current_change_page = gi->selectbox.index;
15761
15762     DrawPropertiesWindow();
15763   }
15764   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15765             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15766            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15767             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15768            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15769   {
15770     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15771     {
15772       // when changing action type, also check action mode and action arg
15773       if (value_old != value_new)
15774         setSelectboxSpecialActionVariablesIfNeeded();
15775
15776       DrawPropertiesChange();
15777     }
15778
15779     CopyElementPropertiesToGame(properties_element);
15780   }
15781   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15782   {
15783     // show or hide "engine" tabulator depending on game engine type
15784     DrawLevelConfigWindow();
15785
15786     // update element selection list depending on game engine type
15787     ReinitializeElementList();
15788     ModifyEditorElementList();
15789   }
15790   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15791   {
15792     // update BD cycle delay counter gadgets depending on BD scheduling type
15793     DrawLevelConfigWindow();
15794   }
15795
15796   // do not mark level as modified for certain non-level-changing gadgets
15797   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15798       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15799     return;
15800
15801   level.changed = TRUE;
15802 }
15803
15804 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15805 {
15806   int type_id = gi->custom_type_id;
15807   int i;
15808
15809   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15810       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15811   {
15812     edit_mode_levelconfig = gi->custom_type_id;
15813
15814     DrawLevelConfigWindow();
15815   }
15816   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15817            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15818   {
15819     edit_mode_properties = gi->custom_type_id;
15820
15821     DrawPropertiesWindow();
15822   }
15823   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15824            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15825   {
15826     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15827
15828     // backup original "level.field" (needed to track playfield changes)
15829     CopyPlayfield(level.field, TileBackup);
15830
15831     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15832     CopyPlayfield(Tile, level.field);
15833
15834     if (new_template ||
15835         Request("Save this template and kill the old?", REQ_ASK))
15836       SaveLevelTemplate();
15837
15838     if (new_template)
15839       Request("Template saved!", REQ_CONFIRM);
15840
15841     // restore original "level.field" (needed to track playfield changes)
15842     CopyPlayfield(TileBackup, level.field);
15843   }
15844   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15845   {
15846     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15847
15848     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15849         leveldir_current->readonly)
15850     {
15851       Request("This level set is read-only!", REQ_CONFIRM);
15852
15853       return;
15854     }
15855
15856     if (strEqual(levelset_name, ""))
15857     {
15858       Request("Please enter level set title!", REQ_CONFIRM);
15859
15860       return;
15861     }
15862
15863     if (strEqual(levelset_author, ""))
15864     {
15865       Request("Please enter level set author!", REQ_CONFIRM);
15866
15867       return;
15868     }
15869
15870     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15871     {
15872       if (UpdateUserLevelSet(levelset_subdir,
15873                              levelset_name,
15874                              levelset_author,
15875                              levelset_num_levels))
15876       {
15877         Request("Level set updated!", REQ_CONFIRM);
15878       }
15879       else
15880       {
15881         Request("Updating level set failed!", REQ_CONFIRM);
15882       }
15883     }
15884     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15885     {
15886       if (level.changed && !Request("Level has changed! Discard changes?",
15887                                      REQ_ASK))
15888         return;
15889
15890       if (CreateUserLevelSet(levelset_subdir,
15891                              levelset_name,
15892                              levelset_author,
15893                              levelset_num_levels,
15894                              levelset_use_levelset_artwork))
15895       {
15896         if (levelset_copy_level_template)
15897           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15898
15899         Request("New level set created!", REQ_CONFIRM);
15900
15901         AddUserLevelSetToLevelInfo(levelset_subdir);
15902         ChangeEditorToLevelSet(levelset_subdir);
15903       }
15904       else
15905       {
15906         Request("Creating new level set failed!", REQ_CONFIRM);
15907       }
15908     }
15909   }
15910   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15911            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15912   {
15913     struct ElementInfo *ei = &element_info[properties_element];
15914
15915     // when modifying custom element, ask for copying level template
15916     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15917       return;
15918
15919     setElementChangePages(ei, ei->num_change_pages + 1);
15920
15921     // set new change page to be new current change page
15922     ei->current_change_page = ei->num_change_pages - 1;
15923     ei->change = &ei->change_page[ei->current_change_page];
15924
15925     setElementChangeInfoToDefaults(ei->change);
15926
15927     DrawPropertiesWindow();
15928
15929     level.changed = TRUE;
15930   }
15931   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15932            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15933   {
15934     struct ElementInfo *ei = &element_info[properties_element];
15935
15936     // when modifying custom element, ask for copying level template
15937     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15938       return;
15939
15940     // copy all change pages after change page to be deleted
15941     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15942       ei->change_page[i] = ei->change_page[i + 1];
15943
15944     setElementChangePages(ei, ei->num_change_pages - 1);
15945
15946     DrawPropertiesWindow();
15947
15948     level.changed = TRUE;
15949   }
15950 }
15951
15952 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15953 {
15954   int type_id = gi->custom_type_id;
15955
15956   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15957       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15958   {
15959     struct ElementInfo *ei = &element_info[properties_element];
15960     int step = BUTTON_STEPSIZE(gi->event.button);
15961
15962     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15963     ei->current_change_page += step;
15964
15965     if (ei->current_change_page < 0)
15966       ei->current_change_page = 0;
15967     else if (ei->current_change_page >= ei->num_change_pages)
15968       ei->current_change_page = ei->num_change_pages - 1;
15969
15970     DrawPropertiesWindow();
15971   }
15972   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15973            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15974   {
15975     struct ElementInfo *ei = &element_info[properties_element];
15976     int current_change_page = ei->current_change_page;
15977
15978     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15979     {
15980       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15981         ei->change_page[current_change_page];
15982     }
15983     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15984     {
15985       // when modifying custom element, ask for copying level template
15986       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15987         return;
15988
15989       ei->change_page[current_change_page] =
15990         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15991
15992       level.changed = TRUE;
15993     }
15994
15995     DrawPropertiesWindow();
15996   }
15997 }
15998
15999 static void HandleRadiobuttons(struct GadgetInfo *gi)
16000 {
16001   int type_id = gi->custom_type_id;
16002
16003   *radiobutton_info[type_id].value =
16004     radiobutton_info[type_id].checked_value;
16005
16006   // do not mark level as modified for certain non-level-changing gadgets
16007   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
16008       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
16009     return;
16010
16011   level.changed = TRUE;
16012 }
16013
16014 static void HandleCheckbuttons(struct GadgetInfo *gi)
16015 {
16016   int type_id = gi->custom_type_id;
16017
16018   *checkbutton_info[type_id].value ^= TRUE;
16019
16020   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
16021       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
16022       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
16023       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
16024          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
16025         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
16026          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
16027        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
16028   {
16029     CopyElementPropertiesToGame(properties_element);
16030   }
16031
16032   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
16033   {
16034     UpdateCustomElementGraphicGadgets();
16035   }
16036   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
16037            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
16038   {
16039     boolean template_related_changes_found = FALSE;
16040     int i;
16041
16042     // check if any custom, group or empty elements have been changed
16043     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
16044       if ((IS_CUSTOM_ELEMENT(i) ||
16045            IS_GROUP_ELEMENT(i) ||
16046            IS_EMPTY_ELEMENT(i)) &&
16047           element_info[i].modified_settings)
16048         template_related_changes_found = TRUE;
16049
16050     if (level.use_custom_template &&
16051         !fileExists(getGlobalLevelTemplateFilename()))
16052     {
16053       Request("No level template found!", REQ_CONFIRM);
16054
16055       level.use_custom_template = FALSE;
16056
16057       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16058
16059       return;
16060     }
16061
16062     if (level.use_custom_template &&
16063         template_related_changes_found &&
16064         !Request("Discard changes and use level template?", REQ_ASK))
16065     {
16066       level.use_custom_template = FALSE;
16067
16068       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
16069
16070       return;
16071     }
16072
16073     if (!level.use_custom_template &&
16074         Request("Copy settings from level template?", REQ_ASK))
16075     {
16076       return;
16077     }
16078
16079     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
16080
16081     DrawEditModeWindow();
16082   }
16083   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
16084   {
16085     if (setup.editor.use_template_for_new_levels &&
16086         !fileExists(getGlobalLevelTemplateFilename()))
16087     {
16088       Request("No level template found!", REQ_CONFIRM);
16089
16090       return;
16091     }
16092
16093     if (setup.editor.use_template_for_new_levels &&
16094         level.changed &&
16095         !Request("Discard level and load template?", REQ_ASK))
16096     {
16097       return;
16098     }
16099
16100     if (!setup.editor.use_template_for_new_levels &&
16101         level.changed &&
16102         !Request("Discard level and use empty level?", REQ_ASK))
16103     {
16104       return;
16105     }
16106
16107     LoadLevel(level_nr);
16108     LoadScore(level_nr);
16109
16110     TapeErase();
16111
16112     ResetUndoBuffer();
16113     DrawEditModeWindow();
16114   }
16115   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
16116   {
16117     SetAutomaticNumberOfGemsNeeded();
16118   }
16119
16120   // do not mark level as modified for certain non-level-changing gadgets
16121   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
16122        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
16123       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
16124        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
16125        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
16126       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
16127     return;
16128
16129   level.changed = TRUE;
16130 }
16131
16132 static void HandleControlButtons(struct GadgetInfo *gi)
16133 {
16134   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
16135   static int last_edit_mode = ED_MODE_DRAWING;
16136   static int last_custom_copy_mode = -1;
16137   static int last_button = 0;
16138   int id = gi->custom_id;
16139   int button = gi->event.button;
16140   int step = BUTTON_STEPSIZE(button);
16141   int new_element = BUTTON_ELEMENT(button);
16142   int last_properties_element = properties_element;
16143   int x, y;
16144
16145   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16146     DrawLevelText(0, 0, 0, TEXT_END);
16147
16148   if (id < ED_NUM_CTRL1_BUTTONS &&
16149       id != GADGET_ID_SINGLE_ITEMS &&
16150       id != GADGET_ID_PICK_ELEMENT &&
16151       edit_mode != ED_MODE_DRAWING &&
16152       drawing_function != GADGET_ID_PICK_ELEMENT &&
16153       !(GetKeyModState() & KMOD_Control))
16154     ChangeEditModeWindow(ED_MODE_DRAWING);
16155
16156   // element copy mode active, but no element button pressed => deactivate
16157   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16158     last_custom_copy_mode = -1;
16159
16160   // when showing palette on element buttons, change element of button used
16161   if (editor.palette.show_on_element_buttons &&
16162       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16163   {
16164     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16165
16166     id = GADGET_ID_PALETTE;
16167   }
16168
16169   switch (id)
16170   {
16171     case GADGET_ID_SCROLL_LEFT:
16172       if (level_xpos >= 0)
16173       {
16174         if (lev_fieldx < ed_fieldx - 2)
16175           break;
16176
16177         level_xpos -= step;
16178         if (level_xpos < -1)
16179           level_xpos = -1;
16180         if (button == 1)
16181           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16182         else
16183           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16184
16185         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16186                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16187       }
16188       break;
16189
16190     case GADGET_ID_SCROLL_RIGHT:
16191       if (level_xpos <= lev_fieldx - ed_fieldx)
16192       {
16193         if (lev_fieldx < ed_fieldx - 2)
16194           break;
16195
16196         level_xpos += step;
16197         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16198           level_xpos = lev_fieldx - ed_fieldx + 1;
16199         if (button == 1)
16200           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16201         else
16202           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16203
16204         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16205                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16206       }
16207       break;
16208
16209     case GADGET_ID_SCROLL_UP:
16210       if (level_ypos >= 0)
16211       {
16212         if (lev_fieldy < ed_fieldy - 2)
16213           break;
16214
16215         level_ypos -= step;
16216         if (level_ypos < -1)
16217           level_ypos = -1;
16218         if (button == 1)
16219           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16220         else
16221           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16222
16223         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16224                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16225       }
16226       break;
16227
16228     case GADGET_ID_SCROLL_DOWN:
16229       if (level_ypos <= lev_fieldy - ed_fieldy)
16230       {
16231         if (lev_fieldy < ed_fieldy - 2)
16232           break;
16233
16234         level_ypos += step;
16235         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16236           level_ypos = lev_fieldy - ed_fieldy + 1;
16237         if (button == 1)
16238           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16239         else
16240           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16241
16242         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16243                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16244       }
16245       break;
16246
16247     case GADGET_ID_SCROLL_HORIZONTAL:
16248       level_xpos = gi->event.item_position - 1;
16249
16250       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16251       BackToFront();
16252
16253       break;
16254
16255     case GADGET_ID_SCROLL_VERTICAL:
16256       level_ypos = gi->event.item_position - 1;
16257
16258       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16259       BackToFront();
16260
16261       break;
16262
16263     case GADGET_ID_SCROLL_LIST_UP:
16264     case GADGET_ID_SCROLL_LIST_DOWN:
16265     case GADGET_ID_SCROLL_LIST_VERTICAL:
16266       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16267         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16268       else
16269       {
16270         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16271         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16272
16273         if (element_shift < 0)
16274           element_shift = 0;
16275         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16276           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16277
16278         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16279                      GDI_SCROLLBAR_ITEM_POSITION,
16280                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16281       }
16282
16283       ModifyEditorElementList();
16284
16285       break;
16286
16287     case GADGET_ID_PROPERTIES:
16288       // always switch off element properties when they are already displayed
16289       last_properties_element = new_element;
16290     case GADGET_ID_ELEMENT_LEFT:
16291     case GADGET_ID_ELEMENT_MIDDLE:
16292     case GADGET_ID_ELEMENT_RIGHT:
16293       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16294                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16295                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16296                             new_element);
16297
16298       if (edit_mode != ED_MODE_PROPERTIES)
16299       {
16300         last_edit_mode = edit_mode;
16301
16302         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16303
16304         last_level_drawing_function = drawing_function;
16305         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16306                       MB_LEFTBUTTON);
16307       }
16308       else if (properties_element != last_properties_element)
16309       {
16310         DrawEditModeWindow();
16311       }
16312       else
16313       {
16314         ChangeEditModeWindow(ED_MODE_DRAWING);
16315
16316         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16317                       MB_LEFTBUTTON);
16318       }
16319       break;
16320
16321     case GADGET_ID_PALETTE:
16322       if (edit_mode != ED_MODE_PALETTE)
16323       {
16324         last_edit_mode = edit_mode;
16325
16326         ChangeEditModeWindow(ED_MODE_PALETTE);
16327       }
16328       else
16329       {
16330         ChangeEditModeWindow(last_edit_mode);
16331       }
16332       break;
16333
16334     case GADGET_ID_WRAP_LEFT:
16335       WrapLevel(-step, 0);
16336       break;
16337
16338     case GADGET_ID_WRAP_RIGHT:
16339       WrapLevel(step, 0);
16340       break;
16341
16342     case GADGET_ID_WRAP_UP:
16343       WrapLevel(0, -step);
16344       break;
16345
16346     case GADGET_ID_WRAP_DOWN:
16347       WrapLevel(0, step);
16348       break;
16349
16350     case GADGET_ID_SINGLE_ITEMS:
16351     case GADGET_ID_CONNECTED_ITEMS:
16352     case GADGET_ID_LINE:
16353     case GADGET_ID_ARC:
16354     case GADGET_ID_TEXT:
16355     case GADGET_ID_RECTANGLE:
16356     case GADGET_ID_FILLED_BOX:
16357     case GADGET_ID_FLOOD_FILL:
16358     case GADGET_ID_GRAB_BRUSH:
16359     case GADGET_ID_PICK_ELEMENT:
16360       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16361         last_drawing_function = drawing_function;
16362       drawing_function = id;
16363       draw_with_brush = FALSE;
16364       break;
16365
16366     case GADGET_ID_RANDOM_PLACEMENT:
16367       RandomPlacement(new_element);
16368       break;
16369
16370     case GADGET_ID_ZOOM:
16371       // zoom level editor tile size in or out (or reset to default size)
16372       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16373                      button == 2 ? ed_tilesize_default :
16374                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16375
16376       // when using touch device, cycle through all zoom tilesizes
16377       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16378         ed_tilesize = MICRO_TILESIZE;
16379
16380       // limit zoom level by upper and lower bound
16381       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16382
16383       InitZoomLevelSettings(ed_tilesize);
16384
16385       if (edit_mode == ED_MODE_DRAWING)
16386       {
16387         DrawDrawingWindow();
16388
16389         // redraw zoom gadget info text
16390         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16391       }
16392
16393       // save current editor zoom tilesize
16394       SaveSetup_AutoSetup();
16395
16396       break;
16397
16398     case GADGET_ID_CUSTOM_COPY_FROM:
16399     case GADGET_ID_CUSTOM_COPY_TO:
16400     case GADGET_ID_CUSTOM_EXCHANGE:
16401       last_custom_copy_mode = id;
16402       last_drawing_function = drawing_function;
16403       break;
16404
16405     case GADGET_ID_CUSTOM_COPY:
16406       CopyCustomElement(properties_element, -1, id);
16407       break;
16408
16409     case GADGET_ID_CUSTOM_PASTE:
16410       CopyCustomElement(-1, properties_element, id);
16411       break;
16412
16413     case GADGET_ID_UNDO:
16414       if (button < 0)   // keep button value (even if modifier keys are pressed)
16415         button = -button;
16416       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16417         button = 3;
16418
16419       if (button == 1 && undo_buffer_steps == 0)
16420       {
16421         Request("Undo buffer empty!", REQ_CONFIRM);
16422
16423         break;
16424       }
16425       else if (button == 2)
16426       {
16427         break;
16428       }
16429       else if (button == 3 && redo_buffer_steps == 0)
16430       {
16431         Request("Redo buffer empty!", REQ_CONFIRM);
16432
16433         break;
16434       }
16435
16436       if (edit_mode != ED_MODE_DRAWING)
16437         ChangeEditModeWindow(ED_MODE_DRAWING);
16438
16439       if (button == 1)
16440       {
16441         // undo
16442
16443         undo_buffer_position =
16444           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16445
16446         undo_buffer_steps--;
16447         redo_buffer_steps++;
16448       }
16449       else
16450       {
16451         // redo
16452
16453         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16454
16455         undo_buffer_steps++;
16456         redo_buffer_steps--;
16457       }
16458
16459       for (x = 0; x < lev_fieldx; x++)
16460         for (y = 0; y < lev_fieldy; y++)
16461           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16462
16463       // check if undo operation forces change of border style
16464       CheckLevelBorderElement(FALSE);
16465
16466       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16467
16468       break;
16469
16470     case GADGET_ID_CONF:
16471       if (edit_mode != ED_MODE_LEVELCONFIG)
16472       {
16473         last_edit_mode = edit_mode;
16474
16475         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16476       }
16477       else
16478       {
16479         ChangeEditModeWindow(ED_MODE_DRAWING);
16480       }
16481       break;
16482
16483     case GADGET_ID_CLEAR:
16484       if (edit_mode != ED_MODE_DRAWING)
16485         ChangeEditModeWindow(ED_MODE_DRAWING);
16486
16487       for (x = 0; x < MAX_LEV_FIELDX; x++)
16488         for (y = 0; y < MAX_LEV_FIELDY; y++)
16489           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16490
16491       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16492
16493       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16494       break;
16495
16496     case GADGET_ID_SAVE:
16497     {
16498       // saving read-only levels into personal level set modifies global vars
16499       // "leveldir_current" and "level_nr"; restore them after saving level
16500       LevelDirTree *leveldir_former = leveldir_current;
16501       int level_nr_former = level_nr;
16502       char *level_filename;
16503       boolean new_level;
16504
16505       if (leveldir_current->readonly &&
16506           !PrepareSavingIntoPersonalLevelSet())
16507         break;
16508
16509       level_filename = getDefaultLevelFilename(level_nr);
16510       new_level = !fileExists(level_filename);
16511
16512       if (new_level ||
16513           Request("Save this level and kill the old?", REQ_ASK))
16514       {
16515         if (leveldir_former->readonly)
16516           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16517
16518         SetAutomaticNumberOfGemsNeeded();
16519
16520         CopyPlayfield(Tile, level.field);
16521         SaveLevel(level_nr);
16522
16523         level.changed = FALSE;
16524
16525         if (new_level)
16526         {
16527           char level_saved_msg[64];
16528
16529           if (leveldir_former->readonly)
16530             sprintf(level_saved_msg,
16531                     "Level saved as level %d into personal level set!",
16532                     level_nr);
16533           else
16534             strcpy(level_saved_msg, "Level saved!");
16535
16536           Request(level_saved_msg, REQ_CONFIRM);
16537         }
16538       }
16539
16540       // "cd" back to copied-from levelset (in case of saved read-only level)
16541       leveldir_current = leveldir_former;
16542       level_nr = level_nr_former;
16543
16544       break;
16545     }
16546
16547     case GADGET_ID_TEST:
16548       if (LevelChanged())
16549         level.game_version = GAME_VERSION_ACTUAL;
16550
16551       CopyPlayfield(level.field, TileBackup);
16552       CopyPlayfield(Tile, level.field);
16553
16554       CopyNativeLevel_RND_to_Native(&level);
16555
16556       UnmapLevelEditorGadgets();
16557       UndrawSpecialEditorDoor();
16558
16559       CloseDoor(DOOR_CLOSE_ALL);
16560
16561       // needed before playing if editor playfield area has different size
16562       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16563
16564       // redraw_mask = REDRAW_ALL;
16565
16566       level_editor_test_game = TRUE;
16567
16568       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16569
16570       break;
16571
16572     case GADGET_ID_EXIT:
16573       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16574       break;
16575
16576     default:
16577       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16578           id <= GADGET_ID_ELEMENTLIST_LAST)
16579       {
16580         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16581
16582         new_element = editor_elements[element_position + element_shift];
16583
16584         if (IS_EDITOR_CASCADE(new_element))
16585         {
16586           int i;
16587
16588           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16589           {
16590             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16591             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16592
16593             if (*cascade_element == new_element)
16594             {
16595               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16596               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16597
16598               // update element selection list
16599               ReinitializeElementList();
16600               ModifyEditorElementList();
16601
16602               // update cascading gadget info text
16603               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16604
16605               // save current editor cascading state
16606               SaveSetup_EditorCascade();
16607
16608               break;
16609             }
16610           }
16611
16612           break;
16613         }
16614
16615         if (last_custom_copy_mode != -1)
16616         {
16617           if (CopyCustomElement(properties_element, new_element,
16618                                 last_custom_copy_mode))
16619           {
16620             ClickOnGadget(level_editor_gadget[last_drawing_function],
16621                           MB_LEFTBUTTON);
16622
16623             last_custom_copy_mode = -1;
16624           }
16625
16626           break;
16627         }
16628
16629         // change element of button used to show palette
16630         if (editor.palette.show_on_element_buttons)
16631           button = last_button;
16632
16633         PickDrawingElement(button, new_element);
16634
16635         if (!stick_element_properties_window &&
16636             drawing_function != GADGET_ID_PICK_ELEMENT &&
16637             !(GetKeyModState() & KMOD_Control))
16638         {
16639           properties_element = new_element;
16640           if (edit_mode == ED_MODE_PROPERTIES)
16641             DrawPropertiesWindow();
16642         }
16643
16644         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16645           ClickOnGadget(level_editor_gadget[last_drawing_function],
16646                         MB_LEFTBUTTON);
16647
16648         if (!use_permanent_palette)
16649           ChangeEditModeWindow(last_edit_mode);
16650       }
16651 #ifdef DEBUG
16652       else if (gi->event.type == GD_EVENT_PRESSED)
16653         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16654       else if (gi->event.type == GD_EVENT_RELEASED)
16655         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16656       else if (gi->event.type == GD_EVENT_MOVING)
16657         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16658       else
16659         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16660 #endif
16661       break;
16662   }
16663 }
16664
16665 void HandleLevelEditorKeyInput(Key key)
16666 {
16667   char letter = getCharFromKey(key);
16668
16669   if (drawing_function == GADGET_ID_TEXT &&
16670       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16671   {
16672     if (letter)
16673       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16674     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16675       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16676     else if (key == KSYM_Return)
16677       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16678     else if (key == KSYM_Escape)
16679       DrawLevelText(0, 0, 0, TEXT_END);
16680
16681     return;
16682   }
16683
16684   int id = GADGET_ID_NONE;
16685   int new_element_shift = element_shift;
16686   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16687   int button = MB_LEFTBUTTON;
16688   int i;
16689
16690   switch (key)
16691   {
16692     case KSYM_Left:
16693       id = GADGET_ID_SCROLL_LEFT;
16694       break;
16695     case KSYM_Right:
16696       id = GADGET_ID_SCROLL_RIGHT;
16697       break;
16698     case KSYM_Up:
16699       id = GADGET_ID_SCROLL_UP;
16700       break;
16701     case KSYM_Down:
16702       id = GADGET_ID_SCROLL_DOWN;
16703       break;
16704
16705     case KSYM_Page_Up:
16706     case KSYM_Page_Down:
16707       step *= (key == KSYM_Page_Up ? -1 : +1);
16708       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16709
16710       if (element_shift < 0)
16711         element_shift = 0;
16712       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16713         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16714
16715       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16716                    GDI_SCROLLBAR_ITEM_POSITION,
16717                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16718
16719       ModifyEditorElementList();
16720
16721       break;
16722
16723     case KSYM_Home:
16724     case KSYM_End:
16725       element_shift = (key == KSYM_Home ? 0 :
16726                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16727
16728       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16729                    GDI_SCROLLBAR_ITEM_POSITION,
16730                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16731
16732       ModifyEditorElementList();
16733
16734       break;
16735
16736     case KSYM_Insert:
16737     case KSYM_Delete:
16738
16739       // this is needed to prevent interference with running "True X-Mouse"
16740       if (GetKeyModStateFromEvents() & KMOD_Control)
16741         break;
16742
16743       // check for last or next editor cascade block in element list
16744       for (i = 0; i < num_editor_elements; i++)
16745       {
16746         if ((key == KSYM_Insert && i == element_shift) ||
16747             (key == KSYM_Delete && new_element_shift > element_shift))
16748           break;
16749
16750         // jump to next cascade block (or to start of element list)
16751         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16752           new_element_shift = i;
16753       }
16754
16755       if (i < num_editor_elements)
16756         element_shift = new_element_shift;
16757
16758       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16759         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16760
16761       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16762                    GDI_SCROLLBAR_ITEM_POSITION,
16763                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16764
16765       ModifyEditorElementList();
16766
16767       break;
16768
16769     case KSYM_Escape:
16770       if (edit_mode == ED_MODE_DRAWING)
16771         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16772       else if (edit_mode == ED_MODE_LEVELCONFIG)
16773         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16774       else if (edit_mode == ED_MODE_PROPERTIES)
16775         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16776       else if (edit_mode == ED_MODE_PALETTE)
16777         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16778       else              // should never happen
16779         ChangeEditModeWindow(ED_MODE_DRAWING);
16780
16781       break;
16782
16783     default:
16784       break;
16785   }
16786
16787   if (id != GADGET_ID_NONE)
16788     ClickOnGadget(level_editor_gadget[id], button);
16789   else if (letter == '1' || letter == '?')
16790     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16791   else if (letter == '2')
16792     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16793   else if (letter == '3')
16794     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16795   else if (letter == '.')
16796     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16797   else if (letter == 'U')
16798     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16799   else if (letter == '-' || key == KSYM_KP_Subtract)
16800     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16801   else if (letter == '0' || key == KSYM_KP_0)
16802     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16803   else if (letter == '+' || key == KSYM_KP_Add ||
16804            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16805     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16806   else if (key == KSYM_Return ||
16807            key == KSYM_space ||
16808            key == setup.shortcut.toggle_pause)
16809     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16810   else
16811     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16812       if (letter && letter == controlbutton_info[i].shortcut)
16813         if (!anyTextGadgetActive())
16814           ClickOnGadget(level_editor_gadget[i], button);
16815
16816   if (draw_with_brush)
16817   {
16818     if (letter == 'x')
16819       FlipBrushX();
16820     else if (letter == 'y')
16821       FlipBrushY();
16822     else if (letter == 'z')
16823       RotateBrush();
16824   }
16825 }
16826
16827 static void HandleLevelEditorIdle_Properties(void)
16828 {
16829   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16830   int x = editor.settings.element_graphic.x + element_border;
16831   int y = editor.settings.element_graphic.y + element_border;
16832   static DelayCounter action_delay = { 0 };
16833   int i;
16834
16835   action_delay.value = GameFrameDelay;
16836
16837   if (!DelayReached(&action_delay))
16838     return;
16839
16840   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16841   {
16842     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16843
16844     if (gi->mapped && gi->active && gi->selectbox.open)
16845       return;
16846   }
16847
16848   DrawEditorElementAnimation(SX + x, SY + y);
16849
16850   redraw_mask |= REDRAW_FIELD;
16851
16852   FrameCounter++;       // increase animation frame counter
16853 }
16854
16855 static void HandleLevelEditorIdle_Drawing(void)
16856 {
16857   static boolean last_highlighted = FALSE;
16858   static boolean last_highlighted_similar = FALSE;
16859   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16860   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16861
16862   if (highlighted != last_highlighted ||
16863       (highlighted && highlighted_similar != last_highlighted_similar))
16864   {
16865     DrawAreaElementHighlight(highlighted, highlighted_similar);
16866
16867     redraw_mask |= REDRAW_FIELD;
16868   }
16869
16870   last_highlighted = highlighted;
16871   last_highlighted_similar = highlighted_similar;
16872 }
16873
16874 void HandleLevelEditorIdle(void)
16875 {
16876   if (edit_mode == ED_MODE_PROPERTIES)
16877     HandleLevelEditorIdle_Properties();
16878   else if (edit_mode == ED_MODE_DRAWING)
16879     HandleLevelEditorIdle_Drawing();
16880 }
16881
16882 static void ClearEditorGadgetInfoText(void)
16883 {
16884   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16885 }
16886
16887 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16888 {
16889   char infotext[MAX_OUTPUT_LINESIZE + 1];
16890   int max_infotext_len = getMaxInfoTextLength();
16891
16892   if (gi == NULL || strlen(gi->info_text) == 0)
16893     return;
16894
16895   strncpy(infotext, gi->info_text, max_infotext_len);
16896   infotext[max_infotext_len] = '\0';
16897
16898   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16899   {
16900     int key = controlbutton_info[gi->custom_id].shortcut;
16901
16902     if (key)
16903     {
16904       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16905
16906       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16907         sprintf(shortcut, " ('.' or '%c')", key);
16908       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16909         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16910       else if (gi->custom_id == GADGET_ID_TEST)
16911         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16912       else if (gi->custom_id == GADGET_ID_UNDO)
16913         sprintf(shortcut, " ('%c/Shift-U')", key);
16914       else if (gi->custom_id == GADGET_ID_ZOOM)
16915         sprintf(shortcut, " ('%c', '0', '-')", key);
16916       else
16917         sprintf(shortcut, " ('%s%c')",
16918                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16919
16920       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16921         strcat(infotext, shortcut);
16922     }
16923   }
16924
16925   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16926 }
16927
16928 void HandleEditorGadgetInfoText(void *ptr)
16929 {
16930   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16931
16932   if (game_status != GAME_MODE_EDITOR)
16933     return;
16934
16935   ClearEditorGadgetInfoText();
16936
16937   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16938     return;
16939
16940   // misuse this function to delete brush cursor, if needed
16941   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16942     DeleteBrushFromCursor();
16943
16944   PrintEditorGadgetInfoText(gi);
16945 }
16946
16947 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16948 {
16949   int id = gi->custom_id;
16950   int type_id = gi->custom_type_id;
16951   int sx = gi->event.x;
16952   int sy = gi->event.y;
16953   int lx = sx + level_xpos;
16954   int ly = sy + level_ypos;
16955   int min_sx = 0, min_sy = 0;
16956   int max_sx = gi->drawing.area_xsize - 1;
16957   int max_sy = gi->drawing.area_ysize - 1;
16958   int actual_drawing_function = drawing_function;
16959   int max_infotext_len = getMaxInfoTextLength();
16960   char infotext[MAX_OUTPUT_LINESIZE + 1];
16961
16962   infotext[0] = '\0';           // start with empty info text
16963
16964   // pressed Control key: simulate picking element
16965   if (GetKeyModState() & KMOD_Control)
16966     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16967
16968   ClearEditorGadgetInfoText();
16969
16970   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16971     return;
16972
16973   // make sure to stay inside drawing area boundaries
16974   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16975   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16976
16977   if (id == GADGET_ID_DRAWING_LEVEL)
16978   {
16979     if (button_status)
16980     {
16981       int min_lx = 0, min_ly = 0;
16982       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16983
16984       // get positions inside level field
16985       lx = sx + level_xpos;
16986       ly = sy + level_ypos;
16987
16988       // make sure to stay inside level field boundaries
16989       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16990       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16991
16992       // correct drawing area positions accordingly
16993       sx = lx - level_xpos;
16994       sy = ly - level_ypos;
16995     }
16996
16997     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16998     {
16999       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
17000       {
17001         static int start_lx = 0;
17002         static int start_ly = 0;
17003         char *text;
17004
17005         if (gi->event.type == GD_EVENT_PRESSED)
17006         {
17007           start_lx = lx;
17008           start_ly = ly;
17009         }
17010
17011         switch (actual_drawing_function)
17012         {
17013           case GADGET_ID_SINGLE_ITEMS:
17014             text = "Drawing single items";
17015             break;
17016           case GADGET_ID_CONNECTED_ITEMS:
17017             text = "Drawing connected items";
17018             break;
17019           case GADGET_ID_LINE:
17020             text = "Drawing line";
17021             break;
17022           case GADGET_ID_ARC:
17023             text = "Drawing arc";
17024             break;
17025           case GADGET_ID_TEXT:
17026             text = "Setting text cursor";
17027             break;
17028           case GADGET_ID_RECTANGLE:
17029             text = "Drawing rectangle";
17030             break;
17031           case GADGET_ID_FILLED_BOX:
17032             text = "Drawing filled box";
17033             break;
17034           case GADGET_ID_FLOOD_FILL:
17035             text = "Flood fill";
17036             break;
17037           case GADGET_ID_GRAB_BRUSH:
17038             text = "Grabbing brush";
17039             break;
17040           case GADGET_ID_PICK_ELEMENT:
17041             text = "Picking element";
17042             break;
17043
17044           default:
17045             text = "Drawing position";
17046             break;
17047         }
17048
17049         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17050           sprintf(infotext, "%s: %d, %d", text, lx, ly);
17051         else
17052           sprintf(infotext, "%s: %d, %d", text,
17053                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
17054       }
17055       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17056         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
17057       else
17058         sprintf(infotext, "Level position: %d, %d", lx, ly);
17059     }
17060
17061     // misuse this function to draw brush cursor, if needed
17062     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
17063     {
17064       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
17065         CopyBrushToCursor(sx, sy);
17066       else
17067         DeleteBrushFromCursor();
17068     }
17069
17070     if (!draw_with_brush)
17071       UpdateBrushPosition(sx, sy);
17072   }
17073   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
17074   {
17075     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
17076     int element = drawingarea_info[type_id].value[pos];
17077
17078     strncpy(infotext, getElementInfoText(element), max_infotext_len);
17079   }
17080   else
17081   {
17082     if (id == GADGET_ID_CUSTOM_CONTENT)
17083       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
17084     else if (id == GADGET_ID_GROUP_CONTENT)
17085       sprintf(infotext, "group element position: %d", sx + 1);
17086     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
17087              id <= GADGET_ID_YAMYAM_CONTENT_7)
17088       sprintf(infotext, "content area %d position: %d, %d",
17089               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
17090     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
17091              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
17092       sprintf(infotext, "content area %d position: %d, %d",
17093               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
17094     else if (id == GADGET_ID_ANDROID_CONTENT)
17095       sprintf(infotext, "android element position: %d", sx + 1);
17096     else if (drawingarea_info[type_id].infotext != NULL)
17097       strcpy(infotext, drawingarea_info[type_id].infotext);
17098   }
17099
17100   infotext[max_infotext_len] = '\0';
17101
17102   if (strlen(infotext) > 0)
17103     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
17104 }
17105
17106 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
17107                             boolean quick_quit)
17108 {
17109   if (!ask_if_level_has_changed ||
17110       !LevelChanged() ||
17111       Request("Level has changed! Exit without saving?",
17112               REQ_ASK | REQ_STAY_OPEN))
17113   {
17114     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
17115     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
17116
17117     // draw normal door
17118     UndrawSpecialEditorDoor();
17119
17120     // use door animation if door 1 viewport is unchanged and contains toolbox
17121     if (useEditorDoorAnimation())
17122       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
17123
17124     // close editor doors if viewport definition is the same as in main menu
17125     if (vp_door_1->x      == DX     &&
17126         vp_door_1->y      == DY     &&
17127         vp_door_1->width  == DXSIZE &&
17128         vp_door_1->height == DYSIZE &&
17129         vp_door_2->x      == VX     &&
17130         vp_door_2->y      == VY     &&
17131         vp_door_2->width  == VXSIZE &&
17132         vp_door_2->height == VYSIZE)
17133       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
17134     else
17135       SetDoorState(DOOR_CLOSE_ALL);
17136
17137     BackToFront();
17138
17139     if (quick_quit)
17140       FadeSkipNextFadeIn();
17141
17142     SetGameStatus(GAME_MODE_MAIN);
17143
17144     DrawMainMenu();
17145   }
17146   else
17147   {
17148     if (!global.use_envelope_request)
17149     {
17150       CloseDoor(DOOR_CLOSE_1);
17151       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17152     }
17153   }
17154 }