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_START_ELEMENT,
 587   GADGET_ID_ARTWORK_ELEMENT,
 588   GADGET_ID_EXPLOSION_ELEMENT,
 589   GADGET_ID_INVENTORY_CONTENT,
 590   GADGET_ID_MM_BALL_CONTENT,
 591   GADGET_ID_CUSTOM_GRAPHIC,
 592   GADGET_ID_CUSTOM_CONTENT,
 593   GADGET_ID_CUSTOM_MOVE_ENTER,
 594   GADGET_ID_CUSTOM_MOVE_LEAVE,
 595   GADGET_ID_CUSTOM_CHANGE_TARGET,
 596   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 597   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 598   GADGET_ID_CUSTOM_CHANGE_ACTION,
 599   GADGET_ID_GROUP_CONTENT,
 600   GADGET_ID_RANDOM_BACKGROUND,
 601
 602   // text input identifiers
 603
 604   GADGET_ID_LEVEL_NAME,
 605   GADGET_ID_LEVEL_AUTHOR,
 606   GADGET_ID_LEVELSET_NAME,
 607   GADGET_ID_LEVELSET_AUTHOR,
 608   GADGET_ID_ELEMENT_NAME,
 609
 610   // text area identifiers
 611
 612   GADGET_ID_ENVELOPE_INFO,
 613
 614   // selectbox identifiers
 615
 616   GADGET_ID_TIME_OR_STEPS,
 617   GADGET_ID_TIME_SCORE_BASE,
 618   GADGET_ID_GAME_ENGINE_TYPE,
 619   GADGET_ID_BD_SCHEDULING_TYPE,
 620   GADGET_ID_LEVELSET_SAVE_MODE,
 621   GADGET_ID_WIND_DIRECTION,
 622   GADGET_ID_PLAYER_SPEED,
 623   GADGET_ID_BD_GRAVITY_DIRECTION,
 624   GADGET_ID_MM_BALL_CHOICE_MODE,
 625   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 626   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 627   GADGET_ID_CUSTOM_DEADLINESS,
 628   GADGET_ID_CUSTOM_MOVE_PATTERN,
 629   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 630   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 631   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 632   GADGET_ID_CUSTOM_SMASH_TARGETS,
 633   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 634   GADGET_ID_CUSTOM_ACCESS_TYPE,
 635   GADGET_ID_CUSTOM_ACCESS_LAYER,
 636   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 637   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 638   GADGET_ID_CHANGE_TIME_UNITS,
 639   GADGET_ID_CHANGE_DIRECT_ACTION,
 640   GADGET_ID_CHANGE_OTHER_ACTION,
 641   GADGET_ID_CHANGE_SIDE,
 642   GADGET_ID_CHANGE_PLAYER,
 643   GADGET_ID_CHANGE_PAGE,
 644   GADGET_ID_CHANGE_REPLACE_WHEN,
 645   GADGET_ID_ACTION_TYPE,
 646   GADGET_ID_ACTION_MODE,
 647   GADGET_ID_ACTION_ARG,
 648   GADGET_ID_SELECT_CHANGE_PAGE,
 649   GADGET_ID_GROUP_CHOICE_MODE,
 650
 651   // textbutton identifiers
 652
 653   GADGET_ID_LEVELCONFIG_LEVEL,
 654   GADGET_ID_LEVELCONFIG_LEVELSET,
 655   GADGET_ID_LEVELCONFIG_EDITOR,
 656   GADGET_ID_LEVELCONFIG_ENGINE,
 657   GADGET_ID_PROPERTIES_INFO,
 658   GADGET_ID_PROPERTIES_CONFIG,
 659   GADGET_ID_PROPERTIES_CONFIG_1,
 660   GADGET_ID_PROPERTIES_CONFIG_2,
 661   GADGET_ID_PROPERTIES_CHANGE,
 662   GADGET_ID_SAVE_AS_TEMPLATE_1,
 663   GADGET_ID_SAVE_AS_TEMPLATE_2,
 664   GADGET_ID_SAVE_LEVELSET,
 665   GADGET_ID_ADD_CHANGE_PAGE,
 666   GADGET_ID_DEL_CHANGE_PAGE,
 667
 668   // graphicbutton identifiers
 669
 670   GADGET_ID_PREV_CHANGE_PAGE,
 671   GADGET_ID_NEXT_CHANGE_PAGE,
 672   GADGET_ID_COPY_CHANGE_PAGE,
 673   GADGET_ID_PASTE_CHANGE_PAGE,
 674
 675   // gadgets for scrolling of drawing area
 676
 677   GADGET_ID_SCROLL_UP,
 678   GADGET_ID_SCROLL_DOWN,
 679   GADGET_ID_SCROLL_LEFT,
 680   GADGET_ID_SCROLL_RIGHT,
 681   GADGET_ID_SCROLL_HORIZONTAL,
 682   GADGET_ID_SCROLL_VERTICAL,
 683
 684   // gadgets for scrolling element list
 685
 686   GADGET_ID_SCROLL_LIST_UP,
 687   GADGET_ID_SCROLL_LIST_DOWN,
 688   GADGET_ID_SCROLL_LIST_VERTICAL,
 689
 690   // checkbuttons/radiobuttons for level/element properties
 691
 692   GADGET_ID_AUTO_COUNT_GEMS,
 693   GADGET_ID_RATE_TIME_OVER_SCORE,
 694   GADGET_ID_USE_LEVELSET_ARTWORK,
 695   GADGET_ID_COPY_LEVEL_TEMPLATE,
 696   GADGET_ID_RANDOM_PERCENTAGE,
 697   GADGET_ID_RANDOM_QUANTITY,
 698   GADGET_ID_RANDOM_RESTRICTED,
 699   GADGET_ID_BD_INTERMISSION,
 700   GADGET_ID_BD_PAL_TIMING,
 701   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 702   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 703   GADGET_ID_BD_SHORT_EXPLOSIONS,
 704   GADGET_ID_STICK_ELEMENT,
 705   GADGET_ID_EM_SLIPPERY_GEMS,
 706   GADGET_ID_EM_EXPLODES_BY_FIRE,
 707   GADGET_ID_USE_SPRING_BUG,
 708   GADGET_ID_USE_TIME_ORB_BUG,
 709   GADGET_ID_USE_LIFE_BUGS,
 710   GADGET_ID_RANDOM_BALL_CONTENT,
 711   GADGET_ID_INITIAL_BALL_ACTIVE,
 712   GADGET_ID_GROW_INTO_DIGGABLE,
 713   GADGET_ID_SB_FIELDS_NEEDED,
 714   GADGET_ID_SB_OBJECTS_NEEDED,
 715   GADGET_ID_AUTO_EXIT_SOKOBAN,
 716   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 717   GADGET_ID_FINISH_DIG_COLLECT,
 718   GADGET_ID_KEEP_WALKABLE_CE,
 719   GADGET_ID_CONTINUOUS_SNAPPING,
 720   GADGET_ID_BLOCK_SNAP_FIELD,
 721   GADGET_ID_BLOCK_LAST_FIELD,
 722   GADGET_ID_SP_BLOCK_LAST_FIELD,
 723   GADGET_ID_INSTANT_RELOCATION,
 724   GADGET_ID_SHIFTED_RELOCATION,
 725   GADGET_ID_LAZY_RELOCATION,
 726   GADGET_ID_USE_START_ELEMENT,
 727   GADGET_ID_USE_ARTWORK_ELEMENT,
 728   GADGET_ID_USE_EXPLOSION_ELEMENT,
 729   GADGET_ID_INITIAL_GRAVITY,
 730   GADGET_ID_USE_INITIAL_INVENTORY,
 731   GADGET_ID_CAN_PASS_TO_WALKABLE,
 732   GADGET_ID_CAN_FALL_INTO_ACID,
 733   GADGET_ID_CAN_MOVE_INTO_ACID,
 734   GADGET_ID_DONT_COLLIDE_WITH,
 735   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 736   GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,
 737   GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
 738   GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,
 739   GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
 740   GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
 741   GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,
 742   GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
 743   GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,
 744   GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,
 745   GADGET_ID_BD_VOODOO_DIES_BY_ROCK,
 746   GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
 747   GADGET_ID_BD_SLIME_IS_PREDICTABLE,
 748   GADGET_ID_BD_CHANGE_EXPANDING_WALL,
 749   GADGET_ID_BD_REPLICATORS_ACTIVE,
 750   GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,
 751   GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,
 752   GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,
 753   GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,
 754   GADGET_ID_BD_CREATURES_START_BACKWARDS,
 755   GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,
 756   GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,
 757   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 758   GADGET_ID_ENVELOPE_AUTOWRAP,
 759   GADGET_ID_ENVELOPE_CENTERED,
 760   GADGET_ID_MM_LASER_RED,
 761   GADGET_ID_MM_LASER_GREEN,
 762   GADGET_ID_MM_LASER_BLUE,
 763   GADGET_ID_DF_LASER_RED,
 764   GADGET_ID_DF_LASER_GREEN,
 765   GADGET_ID_DF_LASER_BLUE,
 766   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 767   GADGET_ID_EXPLODE_MM_BALL,
 768   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 769   GADGET_ID_CUSTOM_CAN_EXPLODE,
 770   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 771   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 772   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 773   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 774   GADGET_ID_CUSTOM_DEADLY,
 775   GADGET_ID_CUSTOM_CAN_MOVE,
 776   GADGET_ID_CUSTOM_CAN_FALL,
 777   GADGET_ID_CUSTOM_CAN_SMASH,
 778   GADGET_ID_CUSTOM_SLIPPERY,
 779   GADGET_ID_CUSTOM_ACCESSIBLE,
 780   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 781   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 782   GADGET_ID_CUSTOM_USE_GRAPHIC,
 783   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 784   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 785   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 786   GADGET_ID_CUSTOM_CAN_CHANGE,
 787   GADGET_ID_CHANGE_USE_CONTENT,
 788   GADGET_ID_CHANGE_USE_EXPLOSION,
 789   GADGET_ID_CHANGE_ONLY_COMPLETE,
 790   GADGET_ID_CHANGE_USE_RANDOM,
 791   GADGET_ID_CHANGE_HAS_ACTION,
 792   GADGET_ID_CHANGE_DELAY,
 793   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 794   GADGET_ID_CHANGE_BY_OTHER_ACT,
 795
 796   NUM_STATIC_GADGET_IDS
 797 };
 798
 799 // gadgets for buttons in element list (dynamic)
 800 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 801 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 802                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 803
 804 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 805
 806 // radio button numbers
 807 enum
 808 {
 809   RADIO_NR_NONE,
 810   RADIO_NR_DRAWING_TOOLBOX,
 811   RADIO_NR_RANDOM_ELEMENTS
 812 };
 813
 814 // values for counter gadgets
 815 enum
 816 {
 817   ED_COUNTER_ID_SELECT_LEVEL,
 818   ED_COUNTER_ID_LEVEL_XSIZE,
 819   ED_COUNTER_ID_LEVEL_YSIZE,
 820   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 821   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 822   ED_COUNTER_ID_LEVEL_TIMESCORE,
 823   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 824   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 825   ED_COUNTER_ID_LEVEL_RANDOM,
 826   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 827   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 828   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 829   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 830   ED_COUNTER_ID_BD_PUSHING_PROB,
 831   ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
 832   ED_COUNTER_ID_ELEMENT_VALUE1,
 833   ED_COUNTER_ID_ELEMENT_VALUE2,
 834   ED_COUNTER_ID_ELEMENT_VALUE3,
 835   ED_COUNTER_ID_ELEMENT_VALUE4,
 836   ED_COUNTER_ID_YAMYAM_CONTENT,
 837   ED_COUNTER_ID_BALL_CONTENT,
 838   ED_COUNTER_ID_ANDROID_CONTENT,
 839   ED_COUNTER_ID_ENVELOPE_XSIZE,
 840   ED_COUNTER_ID_ENVELOPE_YSIZE,
 841   ED_COUNTER_ID_INVENTORY_SIZE,
 842   ED_COUNTER_ID_MM_BALL_CONTENT,
 843   ED_COUNTER_ID_CUSTOM_SCORE,
 844   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 845   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 846   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 847   ED_COUNTER_ID_PUSH_DELAY_FIX,
 848   ED_COUNTER_ID_PUSH_DELAY_RND,
 849   ED_COUNTER_ID_DROP_DELAY_FIX,
 850   ED_COUNTER_ID_DROP_DELAY_RND,
 851   ED_COUNTER_ID_MOVE_DELAY_FIX,
 852   ED_COUNTER_ID_MOVE_DELAY_RND,
 853   ED_COUNTER_ID_STEP_DELAY_FIX,
 854   ED_COUNTER_ID_STEP_DELAY_RND,
 855   ED_COUNTER_ID_EXPLOSION_DELAY,
 856   ED_COUNTER_ID_IGNITION_DELAY,
 857   ED_COUNTER_ID_GROUP_CONTENT,
 858   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 859   ED_COUNTER_ID_CHANGE_DELAY_RND,
 860   ED_COUNTER_ID_CHANGE_CONT_RND,
 861
 862   ED_NUM_COUNTERBUTTONS
 863 };
 864
 865 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 866 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 867 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 868 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 869 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 870 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 871
 872 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 873 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 874 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 875 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 876 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 877 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 878
 879 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 880 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 881
 882 // values for scrollbutton gadgets
 883 enum
 884 {
 885   ED_SCROLLBUTTON_ID_AREA_UP,
 886   ED_SCROLLBUTTON_ID_AREA_DOWN,
 887   ED_SCROLLBUTTON_ID_AREA_LEFT,
 888   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 889   ED_SCROLLBUTTON_ID_LIST_UP,
 890   ED_SCROLLBUTTON_ID_LIST_DOWN,
 891
 892   ED_NUM_SCROLLBUTTONS
 893 };
 894
 895 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 896 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 897
 898 // values for scrollbar gadgets
 899 enum
 900 {
 901   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 902   ED_SCROLLBAR_ID_AREA_VERTICAL,
 903   ED_SCROLLBAR_ID_LIST_VERTICAL,
 904
 905   ED_NUM_SCROLLBARS
 906 };
 907
 908 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 909 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 910
 911 // values for text input gadgets
 912 enum
 913 {
 914   ED_TEXTINPUT_ID_LEVEL_NAME,
 915   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 916   ED_TEXTINPUT_ID_LEVELSET_NAME,
 917   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 918   ED_TEXTINPUT_ID_ELEMENT_NAME,
 919
 920   ED_NUM_TEXTINPUT
 921 };
 922
 923 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 924 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 925
 926 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 927 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 928
 929 // values for text area gadgets
 930 enum
 931 {
 932   ED_TEXTAREA_ID_ENVELOPE_INFO,
 933
 934   ED_NUM_TEXTAREAS
 935 };
 936
 937 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 938 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 939
 940 // values for selectbox gadgets
 941 enum
 942 {
 943   ED_SELECTBOX_ID_TIME_OR_STEPS,
 944   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 945   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 946   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 947   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 948   ED_SELECTBOX_ID_WIND_DIRECTION,
 949   ED_SELECTBOX_ID_PLAYER_SPEED,
 950   ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
 951   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 952   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 953   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 954   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 955   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 956   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 957   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 958   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 959   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 960   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 961   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 962   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 963   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 964   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 965   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 966   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 967   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 968   ED_SELECTBOX_ID_CHANGE_SIDE,
 969   ED_SELECTBOX_ID_CHANGE_PLAYER,
 970   ED_SELECTBOX_ID_CHANGE_PAGE,
 971   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 972   ED_SELECTBOX_ID_ACTION_TYPE,
 973   ED_SELECTBOX_ID_ACTION_MODE,
 974   ED_SELECTBOX_ID_ACTION_ARG,
 975   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 976   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 977
 978   ED_NUM_SELECTBOX
 979 };
 980
 981 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 982 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 983
 984 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 985 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 986
 987 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 988 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 989
 990 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 991 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 992 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 993 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 994 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 995 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 996
 997 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 998 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 999
1000 // values for textbutton gadgets
1001 enum
1002 {
1003   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
1004   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
1005   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
1006   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
1007   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
1008   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
1009   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
1010   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
1011   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
1012   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
1013   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
1014   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
1015   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
1016   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
1017
1018   ED_NUM_TEXTBUTTONS
1019 };
1020
1021 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1022 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1023
1024 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
1025 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1026
1027 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
1028 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
1029
1030 // values for graphicbutton gadgets
1031 enum
1032 {
1033   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
1034   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
1035   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
1036   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
1037
1038   ED_NUM_GRAPHICBUTTONS
1039 };
1040
1041 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
1042 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
1043
1044 // values for checkbutton gadgets
1045 enum
1046 {
1047   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
1048   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
1049   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
1050   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
1051   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
1052   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
1053   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
1054   ED_CHECKBUTTON_ID_BD_INTERMISSION,
1055   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
1056   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
1057   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1058   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1059   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1060   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1061   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1062   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1063   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1064   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1065   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1066   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1067   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1068   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1069   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1070   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1071   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1072   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1073   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1074   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1075   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1076   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1077   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1078   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1079   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1080   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1081   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1082   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1083   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1084   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1085   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1086   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1087   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1088   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1089   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1090   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1091   ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
1092   ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
1093   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
1094   ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
1095   ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
1096   ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
1097   ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
1098   ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
1099   ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
1100   ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
1101   ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
1102   ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
1103   ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
1104   ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
1105   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
1106   ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
1107   ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
1108   ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
1109   ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
1110   ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
1111   ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
1112   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1113   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1114   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1115   ED_CHECKBUTTON_ID_MM_LASER_RED,
1116   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1117   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1118   ED_CHECKBUTTON_ID_DF_LASER_RED,
1119   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1120   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1121   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1122   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1123   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1124   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1125   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1126   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1127   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1128   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1129   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1130   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1131   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1132   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1133   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1134   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1135   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1136   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1137   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1138   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1139   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1140   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1141   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1142   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1143   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1144   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1145   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1146   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1147   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1148
1149   ED_NUM_CHECKBUTTONS
1150 };
1151
1152 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1153 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1154
1155 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1156 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1157
1158 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1159 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1160
1161 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1162 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS
1163
1164 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1165 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1166 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1167 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1168 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1169 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1170
1171 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1172 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1173
1174 // values for radiobutton gadgets
1175 enum
1176 {
1177   ED_RADIOBUTTON_ID_PERCENTAGE,
1178   ED_RADIOBUTTON_ID_QUANTITY,
1179
1180   ED_NUM_RADIOBUTTONS
1181 };
1182
1183 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1184 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1185
1186 // values for drawing area gadgets
1187 enum
1188 {
1189   ED_DRAWING_ID_DRAWING_LEVEL,
1190   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1191   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1192   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1193   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1194   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1195   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1196   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1197   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1198   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1199   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1200   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1201   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1202   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1203   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1204   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1205   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1206   ED_DRAWING_ID_ANDROID_CONTENT,
1207   ED_DRAWING_ID_AMOEBA_CONTENT,
1208   ED_DRAWING_ID_BD_SNAP_ELEMENT,
1209   ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
1210   ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
1211   ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
1212   ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
1213   ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
1214   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
1215   ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
1216   ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
1217   ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
1218   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
1219   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
1220   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
1221   ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
1222   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
1223   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
1224   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
1225   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
1226   ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
1227   ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
1228   ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
1229   ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
1230   ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
1231   ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
1232   ED_DRAWING_ID_BD_NUT_CONTENT,
1233   ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
1234   ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
1235   ED_DRAWING_ID_START_ELEMENT,
1236   ED_DRAWING_ID_ARTWORK_ELEMENT,
1237   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1238   ED_DRAWING_ID_INVENTORY_CONTENT,
1239   ED_DRAWING_ID_MM_BALL_CONTENT,
1240   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1241   ED_DRAWING_ID_CUSTOM_CONTENT,
1242   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1243   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1244   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1245   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1246   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1247   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1248   ED_DRAWING_ID_GROUP_CONTENT,
1249   ED_DRAWING_ID_RANDOM_BACKGROUND,
1250
1251   ED_NUM_DRAWING_AREAS
1252 };
1253
1254 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1255 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1256
1257
1258 // ----------------------------------------------------------------------------
1259 // some internally used definitions
1260 // ----------------------------------------------------------------------------
1261
1262 // values for CopyLevelToUndoBuffer()
1263 #define UNDO_IMMEDIATE                  0
1264 #define UNDO_ACCUMULATE                 1
1265
1266 // values for scrollbars
1267 #define ED_SCROLL_NO                    0
1268 #define ED_SCROLL_LEFT                  1
1269 #define ED_SCROLL_RIGHT                 2
1270 #define ED_SCROLL_UP                    4
1271 #define ED_SCROLL_DOWN                  8
1272
1273 // screens in the level editor
1274 #define ED_MODE_DRAWING                 0
1275 #define ED_MODE_LEVELCONFIG             1
1276 #define ED_MODE_PROPERTIES              2
1277 #define ED_MODE_PALETTE                 3
1278
1279 // sub-screens in the global settings section
1280 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1281 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1282 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1283 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1284
1285 // sub-screens in the element properties section
1286 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1287 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1288 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1289 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1290 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1291
1292 // how many steps can be cancelled
1293 #define NUM_UNDO_STEPS                  (64 + 1)
1294
1295 // values for elements with score for certain actions
1296 #define MIN_SCORE                       0
1297 #define MAX_SCORE                       999
1298
1299 // values for elements with count for collecting
1300 #define MIN_COLLECT_COUNT               0
1301 #define MAX_COLLECT_COUNT               999
1302
1303 // values for random placement
1304 #define RANDOM_USE_PERCENTAGE           0
1305 #define RANDOM_USE_QUANTITY             1
1306
1307 // values for level set save mode
1308 #define LEVELSET_SAVE_MODE_UPDATE       0
1309 #define LEVELSET_SAVE_MODE_CREATE       1
1310
1311 // default value for element tile size in drawing area
1312 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1313 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1314
1315
1316 // ----------------------------------------------------------------------------
1317 // some internally used data structure definitions
1318 // ----------------------------------------------------------------------------
1319
1320 static struct
1321 {
1322   int graphic;
1323   int gadget_id;
1324   struct XYTileSize *pos;
1325   int gadget_type;
1326   char *infotext;
1327   char shortcut;
1328 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1329 {
1330   // note: some additional characters are already reserved for "cheat mode"
1331   // shortcuts (":XYZ" style) -- for details, see "events.c"
1332
1333   // ---------- toolbox control buttons ---------------------------------------
1334
1335   {
1336     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1337     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1338     "Draw single items",                        's'
1339   },
1340   {
1341     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1342     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1343     "Draw connected items",                     'd'
1344   },
1345   {
1346     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1347     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1348     "Draw lines",                               'l'
1349   },
1350   {
1351     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1352     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1353     "Draw arcs",                                'a'
1354   },
1355   {
1356     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1357     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1358     "Draw outline rectangles",                  'r'
1359   },
1360   {
1361     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1362     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1363     "Draw filled rectangles",                   'R'
1364   },
1365   {
1366     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1367     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1368     "Wrap (rotate) level up",                   0
1369   },
1370   {
1371     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1372     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1373     "Enter text elements",                      't'
1374   },
1375   {
1376     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1377     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1378     "Flood fill",                               'f'
1379   },
1380   {
1381     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1382     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1383     "Wrap (rotate) level left",                 0
1384   },
1385   {
1386     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1387     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1388     "Zoom level tile size",                     '+'
1389   },
1390   {
1391     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1392     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1393     "Wrap (rotate) level right",                0
1394   },
1395   {
1396     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1397     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1398     "Random element placement",                 0
1399   },
1400   {
1401     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1402     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1403     "Grab brush",                               'b'
1404   },
1405   {
1406     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1407     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1408     "Wrap (rotate) level down",                 0
1409   },
1410   {
1411     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1412     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1413     "Pick drawing element",                     ','
1414   },
1415
1416   // ---------- level control buttons -----------------------------------------
1417
1418   {
1419     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1420     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1421     "Undo/redo last operation",                 'u'
1422   },
1423   {
1424     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1425     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1426     "Level and editor settings",                'I'
1427   },
1428   {
1429     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1430     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1431     "Save level",                               'S'
1432   },
1433   {
1434     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1435     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1436     "Clear level",                              'C'
1437   },
1438   {
1439     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1440     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1441     "Test level",                               'T'
1442   },
1443   {
1444     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1445     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1446     "Exit level editor",                        'E'
1447   },
1448
1449   // ---------- CE and GE control buttons -------------------------------------
1450
1451   {
1452     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1453     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1454     "Copy settings from other element",         0
1455   },
1456   {
1457     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1458     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1459     "Copy settings to other element",           0
1460   },
1461   {
1462     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1463     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1464     "Exchange element with other element",      0
1465   },
1466   {
1467     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1468     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1469     "Copy settings from this element",          0
1470   },
1471   {
1472     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1473     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1474     "Paste settings to this element",           0
1475   },
1476
1477   // ---------- palette control buttons ---------------------------------------
1478
1479   {
1480     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1481     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1482     "Properties of drawing element",            'p'
1483   },
1484   {
1485     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1486     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1487     "Properties of drawing element 1",          '1'
1488   },
1489   {
1490     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1491     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1492     "Properties of drawing element 2",          '2'
1493   },
1494   {
1495     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1496     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1497     "Properties of drawing element 3",          '3'
1498   },
1499   {
1500     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1501     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1502     "Show list of elements",                    'e'
1503   }
1504 };
1505
1506 static int random_placement_value = 10;
1507 static int random_placement_method = RANDOM_USE_QUANTITY;
1508 static int random_placement_background_element = EL_SAND;
1509 static boolean random_placement_background_restricted = FALSE;
1510 static boolean stick_element_properties_window = FALSE;
1511 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1512 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1513 static struct ElementChangeInfo custom_element_change;
1514 static struct ElementGroupInfo group_element_info;
1515 static struct ElementInfo custom_element;
1516
1517 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1518 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1519 static int levelset_num_levels = 100;
1520 static boolean levelset_use_levelset_artwork = FALSE;
1521 static boolean levelset_copy_level_template = FALSE;
1522 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1523
1524 static struct
1525 {
1526   int gadget_type_id;
1527   int x, y;
1528   int min_value, max_value;
1529   int gadget_id_down, gadget_id_up;
1530   int gadget_id_text;
1531   int gadget_id_align;
1532   int *value;
1533   char *text_above, *text_left, *text_right;
1534 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1535 {
1536   // ---------- current level number ------------------------------------------
1537
1538   {
1539     ED_COUNTER_ID_SELECT_LEVEL,
1540     -1, -1,     // these values are not constant, but can change at runtime
1541     1,                                          100,
1542     GADGET_ID_SELECT_LEVEL_DOWN,                GADGET_ID_SELECT_LEVEL_UP,
1543     GADGET_ID_SELECT_LEVEL_TEXT,                GADGET_ID_NONE,
1544     &level_nr,
1545     NULL,                                       NULL, NULL
1546   },
1547
1548   // ---------- level and editor settings -------------------------------------
1549
1550   {
1551     ED_COUNTER_ID_LEVEL_XSIZE,
1552     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1553     MIN_LEV_FIELDX,                             MAX_LEV_FIELDX,
1554     GADGET_ID_LEVEL_XSIZE_DOWN,                 GADGET_ID_LEVEL_XSIZE_UP,
1555     GADGET_ID_LEVEL_XSIZE_TEXT,                 GADGET_ID_NONE,
1556     &level.fieldx,
1557     "Playfield size:",                          NULL, "Width",
1558   },
1559   {
1560     ED_COUNTER_ID_LEVEL_YSIZE,
1561     -1,                                         ED_LEVEL_SETTINGS_YPOS(4),
1562     MIN_LEV_FIELDY,                             MAX_LEV_FIELDY,
1563     GADGET_ID_LEVEL_YSIZE_DOWN,                 GADGET_ID_LEVEL_YSIZE_UP,
1564     GADGET_ID_LEVEL_YSIZE_TEXT,                 GADGET_ID_LEVEL_XSIZE_UP,
1565     &level.fieldy,
1566     NULL,                                       " ", "Height",
1567   },
1568   {
1569     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1570     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
1571     0,                                          999,
1572     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,             GADGET_ID_LEVEL_GEMSLIMIT_UP,
1573     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,             GADGET_ID_NONE,
1574     &level.gems_needed,
1575     NULL,                                       "Number of gems to collect:", NULL
1576   },
1577   {
1578     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1579     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
1580     0,                                          9999,
1581     GADGET_ID_LEVEL_TIMELIMIT_DOWN,             GADGET_ID_LEVEL_TIMELIMIT_UP,
1582     GADGET_ID_LEVEL_TIMELIMIT_TEXT,             GADGET_ID_NONE,
1583     &level.time,
1584     "Time or step limit to solve level:",       NULL, NULL
1585   },
1586   {
1587     ED_COUNTER_ID_LEVEL_TIMESCORE,
1588     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
1589     0,                                          999,
1590     GADGET_ID_LEVEL_TIMESCORE_DOWN,             GADGET_ID_LEVEL_TIMESCORE_UP,
1591     GADGET_ID_LEVEL_TIMESCORE_TEXT,             GADGET_ID_NONE,
1592     &level.score[SC_TIME_BONUS],
1593     "Score for time or steps left:",            NULL, NULL
1594   },
1595   {
1596     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1597     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(13),
1598     0,                                          9999,
1599     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,           GADGET_ID_LEVEL_RANDOM_SEED_UP,
1600     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,           GADGET_ID_NONE,
1601     &level.random_seed,
1602     NULL,                                       "Random seed:", "(0 => random)"
1603   },
1604   {
1605     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1606     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1607     1,                                          MAX_LEVELS,
1608     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN,         GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1609     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT,         GADGET_ID_NONE,
1610     &levelset_num_levels,
1611     "Number of levels:",                        NULL, NULL,
1612   },
1613   {
1614     ED_COUNTER_ID_LEVEL_RANDOM,
1615     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1616     1,                                          100,
1617     GADGET_ID_LEVEL_RANDOM_DOWN,                GADGET_ID_LEVEL_RANDOM_UP,
1618     GADGET_ID_LEVEL_RANDOM_TEXT,                GADGET_ID_NONE,
1619     &random_placement_value,
1620     "Random element placement:",                NULL, "in"
1621   },
1622   {
1623     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1624     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1625     50,                                         500,
1626     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,           GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1627     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,           GADGET_ID_NONE,
1628     &level.bd_cycle_delay_ms,
1629     NULL,                                       NULL, "Game cycle delay (ms)"
1630   },
1631   {
1632     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1633     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(3),
1634     0,                                          32,
1635     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,          GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1636     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,          GADGET_ID_NONE,
1637     &level.bd_cycle_delay_c64,
1638     NULL,                                       NULL, "Game cycle delay (C64-style)"
1639   },
1640   {
1641     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1642     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1643     1,                                          40,
1644     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1645     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1646     &level.bd_hatching_delay_cycles,
1647     NULL,                                       NULL, "Hatching delay (cycles)"
1648   },
1649   {
1650     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1651     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
1652     1,                                          40,
1653     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1654     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1655     &level.bd_hatching_delay_seconds,
1656     NULL,                                       NULL, "Hatching delay (seconds)"
1657   },
1658
1659   // ---------- element settings: configure (various elements) ----------------
1660
1661   {
1662     ED_COUNTER_ID_BD_PUSHING_PROB,
1663     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1664     0,                                          100,
1665     GADGET_ID_BD_PUSHING_PROB_DOWN,             GADGET_ID_BD_PUSHING_PROB_UP,
1666     GADGET_ID_BD_PUSHING_PROB_TEXT,             GADGET_ID_NONE,
1667     &level.bd_pushing_prob,
1668     NULL,                                       NULL, "Push probability"
1669   },
1670   {
1671     ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET,
1672     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1673     0,                                          100,
1674     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_DOWN,  GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_UP,
1675     GADGET_ID_BD_PUSHING_PROB_WITH_SWEET_TEXT,  GADGET_ID_NONE,
1676     &level.bd_pushing_prob_with_sweet,
1677     NULL,                                       NULL, "Push probability with sweet"
1678   },
1679   {
1680     ED_COUNTER_ID_ELEMENT_VALUE1,
1681     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1682     MIN_SCORE,                                  MAX_SCORE,
1683     GADGET_ID_ELEMENT_VALUE1_DOWN,              GADGET_ID_ELEMENT_VALUE1_UP,
1684     GADGET_ID_ELEMENT_VALUE1_TEXT,              GADGET_ID_NONE,
1685     NULL,                                       // will be set when used
1686     NULL,                                       NULL, NULL
1687   },
1688   {
1689     ED_COUNTER_ID_ELEMENT_VALUE2,
1690     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
1691     MIN_SCORE,                                  MAX_SCORE,
1692     GADGET_ID_ELEMENT_VALUE2_DOWN,              GADGET_ID_ELEMENT_VALUE2_UP,
1693     GADGET_ID_ELEMENT_VALUE2_TEXT,              GADGET_ID_NONE,
1694     NULL,                                       // will be set when used
1695     NULL,                                       NULL, NULL
1696   },
1697   {
1698     ED_COUNTER_ID_ELEMENT_VALUE3,
1699     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1700     MIN_SCORE,                                  MAX_SCORE,
1701     GADGET_ID_ELEMENT_VALUE3_DOWN,              GADGET_ID_ELEMENT_VALUE3_UP,
1702     GADGET_ID_ELEMENT_VALUE3_TEXT,              GADGET_ID_NONE,
1703     NULL,                                       // will be set when used
1704     NULL,                                       NULL, NULL
1705   },
1706   {
1707     ED_COUNTER_ID_ELEMENT_VALUE4,
1708     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1709     MIN_SCORE,                                  MAX_SCORE,
1710     GADGET_ID_ELEMENT_VALUE4_DOWN,              GADGET_ID_ELEMENT_VALUE4_UP,
1711     GADGET_ID_ELEMENT_VALUE4_TEXT,              GADGET_ID_NONE,
1712     NULL,                                       // will be set when used
1713     NULL,                                       NULL, NULL
1714   },
1715   {
1716     ED_COUNTER_ID_YAMYAM_CONTENT,
1717     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1718     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1719     GADGET_ID_YAMYAM_CONTENT_DOWN,              GADGET_ID_YAMYAM_CONTENT_UP,
1720     GADGET_ID_YAMYAM_CONTENT_TEXT,              GADGET_ID_NONE,
1721     &level.num_yamyam_contents,
1722     NULL,                                       NULL, "Number of content areas"
1723   },
1724   {
1725     ED_COUNTER_ID_BALL_CONTENT,
1726     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1727     MIN_ELEMENT_CONTENTS,                       MAX_ELEMENT_CONTENTS,
1728     GADGET_ID_BALL_CONTENT_DOWN,                GADGET_ID_BALL_CONTENT_UP,
1729     GADGET_ID_BALL_CONTENT_TEXT,                GADGET_ID_NONE,
1730     &level.num_ball_contents,
1731     NULL,                                       NULL, "Number of content areas"
1732   },
1733   {
1734     ED_COUNTER_ID_ANDROID_CONTENT,
1735     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
1736     MIN_ANDROID_ELEMENTS,                       MAX_ANDROID_ELEMENTS,
1737     GADGET_ID_ANDROID_CONTENT_DOWN,             GADGET_ID_ANDROID_CONTENT_UP,
1738     GADGET_ID_ANDROID_CONTENT_TEXT,             GADGET_ID_NONE,
1739     &level.num_android_clone_elements,
1740     NULL,                                       NULL, "Number of clonable elements"
1741   },
1742   {
1743     ED_COUNTER_ID_ENVELOPE_XSIZE,
1744     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
1745     MIN_ENVELOPE_XSIZE,                         MAX_ENVELOPE_XSIZE,
1746     GADGET_ID_ENVELOPE_XSIZE_DOWN,              GADGET_ID_ENVELOPE_XSIZE_UP,
1747     GADGET_ID_ENVELOPE_XSIZE_TEXT,              GADGET_ID_NONE,
1748     NULL,                                       // will be set when used
1749     NULL,                                       NULL, "Width",
1750   },
1751   {
1752     ED_COUNTER_ID_ENVELOPE_YSIZE,
1753     -1,                                         ED_ELEMENT_SETTINGS_YPOS(0),
1754     MIN_ENVELOPE_YSIZE,                         MAX_ENVELOPE_YSIZE,
1755     GADGET_ID_ENVELOPE_YSIZE_DOWN,              GADGET_ID_ENVELOPE_YSIZE_UP,
1756     GADGET_ID_ENVELOPE_YSIZE_TEXT,              GADGET_ID_ENVELOPE_XSIZE_UP,
1757     NULL,                                       // will be set when used
1758     NULL,                                       " ", "Height",
1759   },
1760   {
1761     ED_COUNTER_ID_INVENTORY_SIZE,
1762     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
1763     MIN_INITIAL_INVENTORY_SIZE,                 MAX_INITIAL_INVENTORY_SIZE,
1764     GADGET_ID_INVENTORY_SIZE_DOWN,              GADGET_ID_INVENTORY_SIZE_UP,
1765     GADGET_ID_INVENTORY_SIZE_TEXT,              GADGET_ID_NONE,
1766     &level.initial_inventory_size[0],
1767     NULL,                                       NULL, "Number of inventory elements"
1768   },
1769   {
1770     ED_COUNTER_ID_MM_BALL_CONTENT,
1771     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1772     MIN_ELEMENTS_IN_GROUP,                      MAX_MM_BALL_CONTENTS,
1773     GADGET_ID_MM_BALL_CONTENT_DOWN,             GADGET_ID_MM_BALL_CONTENT_UP,
1774     GADGET_ID_MM_BALL_CONTENT_TEXT,             GADGET_ID_NONE,
1775     &level.num_mm_ball_contents,
1776     NULL,                                       NULL, "Number of content elements"
1777   },
1778
1779   // ---------- element settings: configure 1 (custom elements) ---------------
1780
1781   {
1782     ED_COUNTER_ID_CUSTOM_SCORE,
1783     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1784     MIN_SCORE,                                  MAX_SCORE,
1785     GADGET_ID_CUSTOM_SCORE_DOWN,                GADGET_ID_CUSTOM_SCORE_UP,
1786     GADGET_ID_CUSTOM_SCORE_TEXT,                GADGET_ID_NONE,
1787     &custom_element.collect_score_initial,
1788     NULL,                                       "CE score", " "
1789   },
1790   {
1791     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1792     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1793     MIN_COLLECT_COUNT,                          MAX_COLLECT_COUNT,
1794     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,             GADGET_ID_CUSTOM_GEMCOUNT_UP,
1795     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,             GADGET_ID_CUSTOM_SCORE_UP,
1796     &custom_element.collect_count_initial,
1797     NULL,                                       "CE count", NULL
1798   },
1799   {
1800     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1801     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1802     0,                                          9999,
1803     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1804     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,            GADGET_ID_NONE,
1805     &custom_element.ce_value_fixed_initial,
1806     NULL,                                       "CE value", NULL
1807   },
1808   {
1809     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1810     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
1811     0,                                          9999,
1812     GADGET_ID_CUSTOM_VALUE_RND_DOWN,            GADGET_ID_CUSTOM_VALUE_RND_UP,
1813     GADGET_ID_CUSTOM_VALUE_RND_TEXT,            GADGET_ID_CUSTOM_VALUE_FIX_UP,
1814     &custom_element.ce_value_random_initial,
1815     NULL,                                       "+random", NULL
1816   },
1817   {
1818     ED_COUNTER_ID_PUSH_DELAY_FIX,
1819     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1820     0,                                          999,
1821     GADGET_ID_PUSH_DELAY_FIX_DOWN,              GADGET_ID_PUSH_DELAY_FIX_UP,
1822     GADGET_ID_PUSH_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1823     &custom_element.push_delay_fixed,
1824     NULL,                                       "Push delay", NULL
1825   },
1826   {
1827     ED_COUNTER_ID_PUSH_DELAY_RND,
1828     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1829     0,                                          999,
1830     GADGET_ID_PUSH_DELAY_RND_DOWN,              GADGET_ID_PUSH_DELAY_RND_UP,
1831     GADGET_ID_PUSH_DELAY_RND_TEXT,              GADGET_ID_PUSH_DELAY_FIX_UP,
1832     &custom_element.push_delay_random,
1833     NULL,                                       "+random", NULL
1834   },
1835   {
1836     ED_COUNTER_ID_DROP_DELAY_FIX,
1837     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(7),
1838     0,                                          999,
1839     GADGET_ID_DROP_DELAY_FIX_DOWN,              GADGET_ID_DROP_DELAY_FIX_UP,
1840     GADGET_ID_DROP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1841     &custom_element.drop_delay_fixed,
1842     NULL,                                       "Drop delay", NULL
1843   },
1844   {
1845     ED_COUNTER_ID_DROP_DELAY_RND,
1846     -1,                                         ED_ELEMENT_SETTINGS_YPOS(7),
1847     0,                                          999,
1848     GADGET_ID_DROP_DELAY_RND_DOWN,              GADGET_ID_DROP_DELAY_RND_UP,
1849     GADGET_ID_DROP_DELAY_RND_TEXT,              GADGET_ID_DROP_DELAY_FIX_UP,
1850     &custom_element.drop_delay_random,
1851     NULL,                                       "+random", NULL
1852   },
1853
1854   // ---------- element settings: configure 2 (custom elements) ---------------
1855
1856   {
1857     ED_COUNTER_ID_MOVE_DELAY_FIX,
1858     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
1859     0,                                          999,
1860     GADGET_ID_MOVE_DELAY_FIX_DOWN,              GADGET_ID_MOVE_DELAY_FIX_UP,
1861     GADGET_ID_MOVE_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1862     &custom_element.move_delay_fixed,
1863     NULL,                                       "Move delay", NULL
1864   },
1865   {
1866     ED_COUNTER_ID_MOVE_DELAY_RND,
1867     -1,                                         ED_ELEMENT_SETTINGS_YPOS(5),
1868     0,                                          999,
1869     GADGET_ID_MOVE_DELAY_RND_DOWN,              GADGET_ID_MOVE_DELAY_RND_UP,
1870     GADGET_ID_MOVE_DELAY_RND_TEXT,              GADGET_ID_MOVE_DELAY_FIX_UP,
1871     &custom_element.move_delay_random,
1872     NULL,                                       "+random", NULL
1873   },
1874   {
1875     ED_COUNTER_ID_STEP_DELAY_FIX,
1876     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(6),
1877     0,                                          999,
1878     GADGET_ID_STEP_DELAY_FIX_DOWN,              GADGET_ID_STEP_DELAY_FIX_UP,
1879     GADGET_ID_STEP_DELAY_FIX_TEXT,              GADGET_ID_NONE,
1880     &custom_element.step_delay_fixed,
1881     NULL,                                       "Step delay", NULL
1882   },
1883   {
1884     ED_COUNTER_ID_STEP_DELAY_RND,
1885     -1,                                         ED_ELEMENT_SETTINGS_YPOS(6),
1886     0,                                          999,
1887     GADGET_ID_STEP_DELAY_RND_DOWN,              GADGET_ID_STEP_DELAY_RND_UP,
1888     GADGET_ID_STEP_DELAY_RND_TEXT,              GADGET_ID_STEP_DELAY_FIX_UP,
1889     &custom_element.step_delay_random,
1890     NULL,                                       "+random", NULL
1891   },
1892   {
1893     ED_COUNTER_ID_EXPLOSION_DELAY,
1894     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
1895     0,                                          999,
1896     GADGET_ID_EXPLOSION_DELAY_DOWN,             GADGET_ID_EXPLOSION_DELAY_UP,
1897     GADGET_ID_EXPLOSION_DELAY_TEXT,             GADGET_ID_NONE,
1898     &custom_element.explosion_delay,
1899     NULL,                                       "Explosion delay", NULL
1900   },
1901   {
1902     ED_COUNTER_ID_IGNITION_DELAY,
1903     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
1904     0,                                          999,
1905     GADGET_ID_IGNITION_DELAY_DOWN,              GADGET_ID_IGNITION_DELAY_UP,
1906     GADGET_ID_IGNITION_DELAY_TEXT,              GADGET_ID_NONE,
1907     &custom_element.ignition_delay,
1908     NULL,                                       "Ignition delay", "(by fire)"
1909   },
1910
1911   // ---------- element settings: configure (group elements) ------------------
1912
1913   {
1914     ED_COUNTER_ID_GROUP_CONTENT,
1915     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
1916     MIN_ELEMENTS_IN_GROUP,                      MAX_ELEMENTS_IN_GROUP,
1917     GADGET_ID_GROUP_CONTENT_DOWN,               GADGET_ID_GROUP_CONTENT_UP,
1918     GADGET_ID_GROUP_CONTENT_TEXT,               GADGET_ID_NONE,
1919     &group_element_info.num_elements,
1920     NULL,                                       NULL, "Number of elements in group"
1921   },
1922
1923   // ---------- element settings: advanced (custom elements) ------------------
1924
1925   {
1926     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1927     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(2),
1928     0,                                          999,
1929     GADGET_ID_CHANGE_DELAY_FIX_DOWN,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1930     GADGET_ID_CHANGE_DELAY_FIX_TEXT,            GADGET_ID_NONE,
1931     &custom_element_change.delay_fixed,
1932     NULL,                                       "CE delay", NULL,
1933   },
1934   {
1935     ED_COUNTER_ID_CHANGE_DELAY_RND,
1936     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
1937     0,                                          999,
1938     GADGET_ID_CHANGE_DELAY_RND_DOWN,            GADGET_ID_CHANGE_DELAY_RND_UP,
1939     GADGET_ID_CHANGE_DELAY_RND_TEXT,            GADGET_ID_CHANGE_DELAY_FIX_UP,
1940     &custom_element_change.delay_random,
1941     NULL,                                       "+random", NULL
1942   },
1943   {
1944     ED_COUNTER_ID_CHANGE_CONT_RND,
1945     ED_ELEMENT_SETTINGS_XPOS(3),                ED_ELEMENT_SETTINGS_YPOS(12),
1946     0,                                          100,
1947     GADGET_ID_CHANGE_CONT_RND_DOWN,             GADGET_ID_CHANGE_CONT_RND_UP,
1948     GADGET_ID_CHANGE_CONT_RND_TEXT,             GADGET_ID_NONE,
1949     &custom_element_change.random_percentage,
1950     NULL,                                       "Use random replace:", "%"
1951   },
1952 };
1953
1954 static struct
1955 {
1956   int gadget_type_id;
1957   int x, y;
1958   int gadget_id;
1959   int size;
1960   char *value;
1961   char *text_above, *infotext;
1962 } textinput_info[ED_NUM_TEXTINPUT] =
1963 {
1964   {
1965     ED_TEXTINPUT_ID_LEVEL_NAME,
1966     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1967     GADGET_ID_LEVEL_NAME,
1968     MAX_LEVEL_NAME_LEN,
1969     level.name,
1970     "Title:", "Title for this level"
1971   },
1972   {
1973     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1974     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
1975     GADGET_ID_LEVEL_AUTHOR,
1976     MAX_LEVEL_AUTHOR_LEN,
1977     level.author,
1978     "Author:", "Author for this level"
1979   },
1980   {
1981     ED_TEXTINPUT_ID_LEVELSET_NAME,
1982     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
1983     GADGET_ID_LEVELSET_NAME,
1984     MAX_LEVEL_NAME_LEN,
1985     levelset_name,
1986     "Title:", "Title for this or new level set"
1987   },
1988   {
1989     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1990     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
1991     GADGET_ID_LEVELSET_AUTHOR,
1992     MAX_LEVEL_AUTHOR_LEN,
1993     levelset_author,
1994     "Author:", "Author for this or new level set"
1995   },
1996   {
1997     ED_TEXTINPUT_ID_ELEMENT_NAME,
1998     -1, -1,     // these values are not constant, but can change at runtime
1999     GADGET_ID_ELEMENT_NAME,
2000     MAX_ELEMENT_NAME_LEN - 2,                   // currently 2 chars less editable
2001     custom_element.description,
2002     NULL, "Element name"
2003   }
2004 };
2005
2006 static struct
2007 {
2008   int gadget_type_id;
2009   int x, y;
2010   int gadget_id;
2011   int xsize, ysize;
2012   char *value;
2013   char *text_above, *text_above_cropped, *infotext;
2014 } textarea_info[ED_NUM_TEXTAREAS] =
2015 {
2016   {
2017     ED_TEXTAREA_ID_ENVELOPE_INFO,
2018     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
2019     GADGET_ID_ENVELOPE_INFO,
2020     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
2021     NULL,
2022     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
2023   }
2024 };
2025
2026 static struct ValueTextInfo options_time_or_steps[] =
2027 {
2028   { 0,                                  "seconds"                       },
2029   { 1,                                  "steps"                         },
2030
2031   { -1,                                 NULL                            }
2032 };
2033
2034 static struct ValueTextInfo options_time_score_base[] =
2035 {
2036   { 1,                                  "per second/step"               },
2037   { 10,                                 "per 10 seconds/steps"          },
2038
2039   { -1,                                 NULL                            }
2040 };
2041
2042 static struct ValueTextInfo options_game_engine_type[] =
2043 {
2044   { GAME_ENGINE_TYPE_RND,               "Rocks'n'Diamonds"              },
2045   { GAME_ENGINE_TYPE_BD,                "Boulder Dash"                  },
2046   { GAME_ENGINE_TYPE_EM,                "Emerald Mine"                  },
2047   { GAME_ENGINE_TYPE_SP,                "Supaplex"                      },
2048   { GAME_ENGINE_TYPE_MM,                "Mirror Magic"                  },
2049
2050   { -1,                                 NULL                            }
2051 };
2052
2053 static struct ValueTextInfo options_levelset_save_mode[] =
2054 {
2055   { LEVELSET_SAVE_MODE_UPDATE,          "Update this level set"         },
2056   { LEVELSET_SAVE_MODE_CREATE,          "Create new level set"          },
2057
2058   { -1,                                 NULL                            }
2059 };
2060
2061 static struct ValueTextInfo options_bd_gravity_direction[] =
2062 {
2063   { GD_MV_DOWN,                         "down"                          },
2064   { GD_MV_UP,                           "up"                            },
2065   { GD_MV_LEFT,                         "left"                          },
2066   { GD_MV_RIGHT,                        "right"                         },
2067
2068   { -1,                                 NULL                            }
2069 };
2070
2071 static struct ValueTextInfo options_wind_direction[] =
2072 {
2073   { MV_START_NONE,                      "none"                          },
2074   { MV_START_LEFT,                      "left"                          },
2075   { MV_START_RIGHT,                     "right"                         },
2076   { MV_START_UP,                        "up"                            },
2077   { MV_START_DOWN,                      "down"                          },
2078
2079   { -1,                                 NULL                            }
2080 };
2081
2082 static struct ValueTextInfo options_player_speed[] =
2083 {
2084   { 0,                                  "frozen"                        },
2085   { 1,                                  "very slow"                     },
2086   { 2,                                  "slow"                          },
2087   { 4,                                  "normal"                        },
2088   { 8,                                  "fast"                          },
2089   { 16,                                 "very fast"                     },
2090   { 32,                                 "ultrafast"                     },
2091
2092   { -1,                                 NULL                            }
2093 };
2094
2095 static struct ValueTextInfo options_access_type[] =
2096 {
2097   { EP_WALKABLE,                        "walkable"                      },
2098   { EP_PASSABLE,                        "passable"                      },
2099
2100   { -1,                                 NULL                            }
2101 };
2102
2103 static struct ValueTextInfo options_access_layer[] =
2104 {
2105   { EP_ACCESSIBLE_OVER,                 "over"                          },
2106   { EP_ACCESSIBLE_INSIDE,               "inside"                        },
2107   { EP_ACCESSIBLE_UNDER,                "under"                         },
2108
2109   { -1,                                 NULL                            }
2110 };
2111
2112 static struct ValueTextInfo options_access_protected[] =
2113 {
2114   { 0,                                  "unprotected"                   },
2115   { 1,                                  "protected"                     },
2116
2117   { -1,                                 NULL                            }
2118 };
2119
2120 static struct ValueTextInfo options_access_direction[] =
2121 {
2122   { MV_NO_DIRECTION,                    "no direction"                  },
2123   { MV_LEFT,                            "left"                          },
2124   { MV_RIGHT,                           "right"                         },
2125   { MV_UP,                              "up"                            },
2126   { MV_DOWN,                            "down"                          },
2127   { MV_LEFT  | MV_UP,                   "left + up"                     },
2128   { MV_LEFT  | MV_DOWN,                 "left + down"                   },
2129   { MV_RIGHT | MV_UP,                   "right + up"                    },
2130   { MV_RIGHT | MV_DOWN,                 "right + down"                  },
2131   { MV_HORIZONTAL,                      "horizontal"                    },
2132   { MV_VERTICAL,                        "vertical"                      },
2133   { MV_HORIZONTAL | MV_UP,              "horizontal + up"               },
2134   { MV_HORIZONTAL | MV_DOWN,            "horizontal + down"             },
2135   { MV_VERTICAL   | MV_LEFT,            "vertical + left"               },
2136   { MV_VERTICAL   | MV_RIGHT,           "vertical + right"              },
2137   { MV_ALL_DIRECTIONS,                  "all directions"                },
2138
2139   { -1,                                 NULL                            }
2140 };
2141
2142 static struct ValueTextInfo options_walk_to_action[] =
2143 {
2144   { EP_DIGGABLE,                        "diggable"                      },
2145   { EP_COLLECTIBLE_ONLY,                "collectible"                   },
2146   { EP_DROPPABLE,                       "collectible & droppable"       },
2147   { EP_THROWABLE,                       "collectible & throwable"       },
2148   { EP_PUSHABLE,                        "pushable"                      },
2149
2150   { -1,                                 NULL                            }
2151 };
2152
2153 static struct ValueTextInfo options_move_pattern[] =
2154 {
2155   { MV_LEFT,                            "left"                          },
2156   { MV_RIGHT,                           "right"                         },
2157   { MV_UP,                              "up"                            },
2158   { MV_DOWN,                            "down"                          },
2159   { MV_HORIZONTAL,                      "horizontal"                    },
2160   { MV_VERTICAL,                        "vertical"                      },
2161   { MV_ALL_DIRECTIONS,                  "all directions"                },
2162   { MV_WIND_DIRECTION,                  "wind direction"                },
2163   { MV_TOWARDS_PLAYER,                  "towards player"                },
2164   { MV_AWAY_FROM_PLAYER,                "away from player"              },
2165   { MV_ALONG_LEFT_SIDE,                 "along left side"               },
2166   { MV_ALONG_RIGHT_SIDE,                "along right side"              },
2167   { MV_TURNING_LEFT,                    "turning left"                  },
2168   { MV_TURNING_RIGHT,                   "turning right"                 },
2169   { MV_TURNING_LEFT_RIGHT,              "turning left, right"           },
2170   { MV_TURNING_RIGHT_LEFT,              "turning right, left"           },
2171   { MV_TURNING_RANDOM,                  "turning random"                },
2172   { MV_MAZE_RUNNER,                     "maze runner style"             },
2173   { MV_MAZE_HUNTER,                     "maze hunter style"             },
2174   { MV_WHEN_PUSHED,                     "when pushed"                   },
2175   { MV_WHEN_DROPPED,                    "when dropped/thrown"           },
2176
2177   { -1,                                 NULL                            }
2178 };
2179
2180 static struct ValueTextInfo options_move_direction[] =
2181 {
2182   { MV_START_AUTOMATIC,                 "automatic"                     },
2183   { MV_START_LEFT,                      "left"                          },
2184   { MV_START_RIGHT,                     "right"                         },
2185   { MV_START_UP,                        "up"                            },
2186   { MV_START_DOWN,                      "down"                          },
2187   { MV_START_RANDOM,                    "random"                        },
2188   { MV_START_PREVIOUS,                  "previous"                      },
2189
2190   { -1,                                 NULL                            }
2191 };
2192
2193 static struct ValueTextInfo options_move_stepsize[] =
2194 {
2195   { 0,                                  "not moving"                    },
2196   { 1,                                  "very slow"                     },
2197   { 2,                                  "slow"                          },
2198   { 4,                                  "normal"                        },
2199   { 8,                                  "fast"                          },
2200   { 16,                                 "very fast"                     },
2201   { 32,                                 "even faster"                   },
2202
2203   { -1,                                 NULL                            }
2204 };
2205
2206 static struct ValueTextInfo options_move_leave_type[] =
2207 {
2208   { LEAVE_TYPE_UNLIMITED,               "leave behind"                  },
2209   { LEAVE_TYPE_LIMITED,                 "change it to"                  },
2210
2211   { -1,                                 NULL                            }
2212 };
2213
2214 static struct ValueTextInfo options_smash_targets[] =
2215 {
2216   { EP_CAN_SMASH_PLAYER,                "player"                        },
2217 #if 0
2218   { EP_CAN_SMASH_ENEMIES,               "enemies"                       },
2219 #endif
2220   { EP_CAN_SMASH_EVERYTHING,            "everything"                    },
2221
2222   { -1,                                 NULL                            }
2223 };
2224
2225 static struct ValueTextInfo options_slippery_type[] =
2226 {
2227   { SLIPPERY_ANY_RANDOM,                "random"                        },
2228   { SLIPPERY_ANY_LEFT_RIGHT,            "left, right"                   },
2229   { SLIPPERY_ANY_RIGHT_LEFT,            "right, left"                   },
2230   { SLIPPERY_ONLY_LEFT,                 "only left"                     },
2231   { SLIPPERY_ONLY_RIGHT,                "only right"                    },
2232
2233   { -1,                                 NULL                            }
2234 };
2235
2236 static struct ValueTextInfo options_deadliness[] =
2237 {
2238   { EP_DONT_RUN_INTO,                   "running into"                  },
2239   { EP_DONT_COLLIDE_WITH,               "colliding with"                },
2240   { EP_DONT_GET_HIT_BY,                 "getting hit by"                },
2241   { EP_DONT_TOUCH,                      "touching"                      },
2242
2243   { -1,                                 NULL                            }
2244 };
2245
2246 static struct ValueTextInfo options_explosion_type[] =
2247 {
2248   { EXPLODES_3X3,                       "3x3"                           },
2249   { EXPLODES_CROSS,                     "3+3"                           },
2250   { EXPLODES_1X1,                       "1x1"                           },
2251
2252   { -1,                                 NULL                            }
2253 };
2254
2255 static struct ValueTextInfo options_time_units[] =
2256 {
2257   { 1,                                  "frames"                        },
2258   { FRAMES_PER_SECOND,                  "seconds"                       },
2259
2260   { -1,                                 NULL                            }
2261 };
2262
2263 static struct ValueTextInfo options_change_direct_action[] =
2264 {
2265   { CE_TOUCHED_BY_PLAYER,               "touched by player"             },
2266   { CE_PRESSED_BY_PLAYER,               "pressed by player"             },
2267   { CE_SWITCHED_BY_PLAYER,              "switched by player"            },
2268   { CE_SNAPPED_BY_PLAYER,               "snapped by player"             },
2269   { CE_PUSHED_BY_PLAYER,                "pushed by player"              },
2270   { CE_ENTERED_BY_PLAYER,               "entered by player"             },
2271   { CE_LEFT_BY_PLAYER,                  "left by player"                },
2272   { CE_DROPPED_BY_PLAYER,               "dropped/thrown by player"      },
2273   { CE_SWITCHED,                        "switched"                      },
2274   { CE_HITTING_SOMETHING,               "hitting something"             },
2275   { CE_HIT_BY_SOMETHING,                "hit by something"              },
2276 #if 0
2277   { CE_BLOCKED,                         "blocked"                       },
2278 #endif
2279   { CE_IMPACT,                          "impact (on something)"         },
2280   { CE_SMASHED,                         "smashed (from above)"          },
2281 #if 0
2282   { CE_VALUE_CHANGES,                   "CE value changes"              },
2283   { CE_SCORE_CHANGES,                   "CE score changes"              },
2284 #endif
2285   { CE_VALUE_GETS_ZERO,                 "CE value gets 0"               },
2286   { CE_SCORE_GETS_ZERO,                 "CE score gets 0"               },
2287   { CE_UNDEFINED,                       " "                             },
2288   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2289   { CE_CLICKED_BY_MOUSE,                "clicked by mouse"              },
2290   { CE_PRESSED_BY_MOUSE,                "pressed by mouse"              },
2291   { CE_UNDEFINED,                       " "                             },
2292   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2293   { CE_NEXT_TO_PLAYER,                  "next to player"                },
2294
2295   { -1,                                 NULL                            }
2296 };
2297
2298 static struct ValueTextInfo options_change_other_action[] =
2299 {
2300   { CE_PLAYER_TOUCHES_X,                "player touches"                },
2301   { CE_PLAYER_PRESSES_X,                "player presses"                },
2302   { CE_PLAYER_SWITCHES_X,               "player switches"               },
2303   { CE_PLAYER_SNAPS_X,                  "player snaps"                  },
2304   { CE_PLAYER_PUSHES_X,                 "player pushes"                 },
2305   { CE_PLAYER_ENTERS_X,                 "player enters"                 },
2306   { CE_PLAYER_LEAVES_X,                 "player leaves"                 },
2307   { CE_PLAYER_DIGS_X,                   "player digs"                   },
2308   { CE_PLAYER_COLLECTS_X,               "player collects"               },
2309   { CE_PLAYER_DROPS_X,                  "player drops/throws"           },
2310   { CE_TOUCHING_X,                      "touching"                      },
2311   { CE_HITTING_X,                       "hitting"                       },
2312   { CE_DIGGING_X,                       "digging"                       },
2313   { CE_HIT_BY_X,                        "hit by"                        },
2314   { CE_SWITCH_OF_X,                     "switch of"                     },
2315   { CE_CHANGE_OF_X,                     "change by page of"             },
2316   { CE_EXPLOSION_OF_X,                  "explosion of"                  },
2317   { CE_MOVE_OF_X,                       "move of"                       },
2318   { CE_CREATION_OF_X,                   "creation of"                   },
2319   { CE_VALUE_CHANGES_OF_X,              "CE value changes of"           },
2320   { CE_SCORE_CHANGES_OF_X,              "CE score changes of"           },
2321   { CE_VALUE_GETS_ZERO_OF_X,            "CE value gets 0 of"            },
2322   { CE_SCORE_GETS_ZERO_OF_X,            "CE score gets 0 of"            },
2323   { CE_UNDEFINED,                       " "                             },
2324   { CE_HEADLINE_SPECIAL_EVENTS,         "[mouse events]"                },
2325   { CE_MOUSE_CLICKED_ON_X,              "mouse clicked on"              },
2326   { CE_MOUSE_PRESSED_ON_X,              "mouse pressed on"              },
2327   { CE_UNDEFINED,                       " "                             },
2328   { CE_HEADLINE_SPECIAL_EVENTS,         "[static states]"               },
2329   { CE_PLAYER_NEXT_TO_X,                "player next to"                },
2330   { CE_NEXT_TO_X,                       "next to"                       },
2331
2332   { -1,                                 NULL                            }
2333 };
2334
2335 static struct ValueTextInfo options_change_trigger_side[] =
2336 {
2337   { CH_SIDE_LEFT,                       "left"                          },
2338   { CH_SIDE_RIGHT,                      "right"                         },
2339   { CH_SIDE_TOP,                        "top"                           },
2340   { CH_SIDE_BOTTOM,                     "bottom"                        },
2341   { CH_SIDE_LEFT_RIGHT,                 "left/right"                    },
2342   { CH_SIDE_TOP_BOTTOM,                 "top/bottom"                    },
2343   { CH_SIDE_ANY,                        "any"                           },
2344
2345   { -1,                                 NULL                            }
2346 };
2347
2348 static struct ValueTextInfo options_change_trigger_player[] =
2349 {
2350   { CH_PLAYER_1,                        "1"                             },
2351   { CH_PLAYER_2,                        "2"                             },
2352   { CH_PLAYER_3,                        "3"                             },
2353   { CH_PLAYER_4,                        "4"                             },
2354   { CH_PLAYER_ANY,                      "any"                           },
2355
2356   { -1,                                 NULL                            }
2357 };
2358
2359 static struct ValueTextInfo options_change_trigger_page[] =
2360 {
2361   { (1u << 0),                          "1"                             },
2362   { (1u << 1),                          "2"                             },
2363   { (1u << 2),                          "3"                             },
2364   { (1u << 3),                          "4"                             },
2365   { (1u << 4),                          "5"                             },
2366   { (1u << 5),                          "6"                             },
2367   { (1u << 6),                          "7"                             },
2368   { (1u << 7),                          "8"                             },
2369   { (1u << 8),                          "9"                             },
2370   { (1u << 9),                          "10"                            },
2371   { (1u << 10),                         "11"                            },
2372   { (1u << 11),                         "12"                            },
2373   { (1u << 12),                         "13"                            },
2374   { (1u << 13),                         "14"                            },
2375   { (1u << 14),                         "15"                            },
2376   { (1u << 15),                         "16"                            },
2377   { (1u << 16),                         "17"                            },
2378   { (1u << 17),                         "18"                            },
2379   { (1u << 18),                         "19"                            },
2380   { (1u << 19),                         "20"                            },
2381   { (1u << 20),                         "21"                            },
2382   { (1u << 21),                         "22"                            },
2383   { (1u << 22),                         "23"                            },
2384   { (1u << 23),                         "24"                            },
2385   { (1u << 24),                         "25"                            },
2386   { (1u << 25),                         "26"                            },
2387   { (1u << 26),                         "27"                            },
2388   { (1u << 27),                         "28"                            },
2389   { (1u << 28),                         "29"                            },
2390   { (1u << 29),                         "30"                            },
2391   { (1u << 30),                         "31"                            },
2392   { (1u << 31),                         "32"                            },
2393   { CH_PAGE_ANY,                        "any"                           },
2394
2395   { -1,                                 NULL                            }
2396 };
2397
2398 static struct ValueTextInfo options_change_replace_when[] =
2399 {
2400   { CP_WHEN_EMPTY,                      "empty"                         },
2401   { CP_WHEN_WALKABLE,                   "walkable"                      },
2402   { CP_WHEN_DIGGABLE,                   "diggable"                      },
2403   { CP_WHEN_COLLECTIBLE,                "collectible"                   },
2404   { CP_WHEN_REMOVABLE,                  "removable"                     },
2405   { CP_WHEN_DESTRUCTIBLE,               "destructible"                  },
2406
2407   { -1,                                 NULL                            }
2408 };
2409
2410 static struct ValueTextInfo options_action_type[] =
2411 {
2412   { CA_NO_ACTION,                       "no action"                     },
2413   { CA_UNDEFINED,                       " "                             },
2414   { CA_HEADLINE_LEVEL_ACTIONS,          "[level]"                       },
2415   { CA_RESTART_LEVEL,                   "restart level"                 },
2416   { CA_SHOW_ENVELOPE,                   "show envelope"                 },
2417   { CA_SET_LEVEL_TIME,                  "set time"                      },
2418   { CA_SET_LEVEL_SCORE,                 "set score"                     },
2419   { CA_SET_LEVEL_GEMS,                  "set gems"                      },
2420   { CA_SET_LEVEL_WIND,                  "set wind dir."                 },
2421   { CA_SET_LEVEL_RANDOM_SEED,           "set random seed"               },
2422   { CA_UNDEFINED,                       " "                             },
2423   { CA_HEADLINE_PLAYER_ACTIONS,         "[player]"                      },
2424   { CA_MOVE_PLAYER,                     "move player"                   },
2425   { CA_MOVE_PLAYER_NEW,                 "move player new"               },
2426   { CA_EXIT_PLAYER,                     "exit player"                   },
2427   { CA_KILL_PLAYER,                     "kill player"                   },
2428   { CA_SET_PLAYER_KEYS,                 "set keys"                      },
2429   { CA_SET_PLAYER_SPEED,                "set speed"                     },
2430   { CA_SET_PLAYER_SHIELD,               "set shield"                    },
2431   { CA_SET_PLAYER_GRAVITY,              "set gravity"                   },
2432   { CA_SET_PLAYER_ARTWORK,              "set artwork"                   },
2433   { CA_SET_PLAYER_INVENTORY,            "set inventory"                 },
2434   { CA_UNDEFINED,                       " "                             },
2435   { CA_HEADLINE_CE_ACTIONS,             "[CE]"                          },
2436   { CA_SET_CE_VALUE,                    "set CE value"                  },
2437   { CA_SET_CE_SCORE,                    "set CE score"                  },
2438   { CA_SET_CE_ARTWORK,                  "set CE artwork"                },
2439   { CA_UNDEFINED,                       " "                             },
2440   { CA_HEADLINE_ENGINE_ACTIONS,         "[engine]"                      },
2441   { CA_SET_ENGINE_SCAN_MODE,            "set scan mode"                 },
2442
2443   { -1,                                 NULL                            }
2444 };
2445
2446 static struct ValueTextInfo options_action_mode_none[] =
2447 {
2448   { CA_MODE_UNDEFINED,                  " "                             },
2449
2450   { -1,                                 NULL                            }
2451 };
2452
2453 static struct ValueTextInfo options_action_mode_assign[] =
2454 {
2455   { CA_MODE_SET,                        "="                             },
2456
2457   { -1,                                 NULL                            }
2458 };
2459
2460 static struct ValueTextInfo options_action_mode_add_remove[] =
2461 {
2462   { CA_MODE_ADD,                        "+"                             },
2463   { CA_MODE_SUBTRACT,                   "-"                             },
2464
2465   { -1,                                 NULL                            }
2466 };
2467
2468 static struct ValueTextInfo options_action_mode_calculate[] =
2469 {
2470   { CA_MODE_SET,                        "="                             },
2471   { CA_MODE_ADD,                        "+"                             },
2472   { CA_MODE_SUBTRACT,                   "-"                             },
2473   { CA_MODE_MULTIPLY,                   "*"                             },
2474   { CA_MODE_DIVIDE,                     "/"                             },
2475   { CA_MODE_MODULO,                     "%"                             },
2476
2477   { -1,                                 NULL                            }
2478 };
2479
2480 static struct ValueTextInfo options_action_arg_none[] =
2481 {
2482   { CA_ARG_UNDEFINED,                   "         "                     },
2483
2484   { -1,                                 NULL                            }
2485 };
2486
2487 static struct ValueTextInfo options_action_arg_player[] =
2488 {
2489   { CA_ARG_PLAYER_HEADLINE,             "[player]"                      },
2490   { CA_ARG_PLAYER_1,                    "1"                             },
2491   { CA_ARG_PLAYER_2,                    "2"                             },
2492   { CA_ARG_PLAYER_3,                    "3"                             },
2493   { CA_ARG_PLAYER_4,                    "4"                             },
2494   { CA_ARG_PLAYER_ANY,                  "any"                           },
2495   { CA_ARG_PLAYER_TRIGGER,              "trigger"                       },
2496   { CA_ARG_PLAYER_ACTION,               "action ->"                     },
2497
2498   { -1,                                 NULL                            }
2499 };
2500
2501 static struct ValueTextInfo options_action_arg_number[] =
2502 {
2503   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2504   { CA_ARG_0,                           "0"                             },
2505   { CA_ARG_1,                           "1"                             },
2506   { CA_ARG_2,                           "2"                             },
2507   { CA_ARG_3,                           "3"                             },
2508   { CA_ARG_4,                           "4"                             },
2509   { CA_ARG_5,                           "5"                             },
2510   { CA_ARG_10,                          "10"                            },
2511   { CA_ARG_100,                         "100"                           },
2512   { CA_ARG_1000,                        "1000"                          },
2513   { CA_ARG_UNDEFINED,                   " "                             },
2514   { CA_ARG_NUMBER_MIN,                  "min"                           },
2515   { CA_ARG_NUMBER_MAX,                  "max"                           },
2516   { CA_ARG_UNDEFINED,                   " "                             },
2517   { CA_ARG_NUMBER_RESET,                "reset"                         },
2518   { CA_ARG_UNDEFINED,                   " "                             },
2519   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2520   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2521   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2522   { CA_ARG_UNDEFINED,                   " "                             },
2523   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2524   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2525   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2526   { CA_ARG_UNDEFINED,                   " "                             },
2527   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2528   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2529   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2530   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2531   { CA_ARG_UNDEFINED,                   " "                             },
2532   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2533   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2534   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2535   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2536
2537   { -1,                                 NULL                            }
2538 };
2539
2540 static struct ValueTextInfo options_action_arg_value[] =
2541 {
2542   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2543   { CA_ARG_0,                           "0"                             },
2544   { CA_ARG_1,                           "1"                             },
2545   { CA_ARG_2,                           "2"                             },
2546   { CA_ARG_3,                           "3"                             },
2547   { CA_ARG_4,                           "4"                             },
2548   { CA_ARG_5,                           "5"                             },
2549   { CA_ARG_10,                          "10"                            },
2550   { CA_ARG_100,                         "100"                           },
2551   { CA_ARG_1000,                        "1000"                          },
2552   { CA_ARG_UNDEFINED,                   " "                             },
2553   { CA_ARG_NUMBER_MIN,                  "min"                           },
2554   { CA_ARG_NUMBER_MAX,                  "max"                           },
2555   { CA_ARG_UNDEFINED,                   " "                             },
2556   { CA_ARG_NUMBER_RESET,                "reset"                         },
2557   { CA_ARG_UNDEFINED,                   " "                             },
2558   { CA_ARG_NUMBER_CE_VALUE,             "CE value"                      },
2559   { CA_ARG_NUMBER_CE_SCORE,             "CE score"                      },
2560   { CA_ARG_NUMBER_CE_DELAY,             "CE delay"                      },
2561   { CA_ARG_UNDEFINED,                   " "                             },
2562   { CA_ARG_NUMBER_LEVEL_TIME,           "time"                          },
2563   { CA_ARG_NUMBER_LEVEL_GEMS,           "gems"                          },
2564   { CA_ARG_NUMBER_LEVEL_SCORE,          "score"                         },
2565   { CA_ARG_UNDEFINED,                   " "                             },
2566   { CA_ARG_ELEMENT_CV_HEADLINE,         "[CE value]"                    },
2567   { CA_ARG_ELEMENT_CV_TARGET,           "target"                        },
2568   { CA_ARG_ELEMENT_CV_TRIGGER,          "trigger"                       },
2569   { CA_ARG_ELEMENT_CV_ACTION,           "action ->"                     },
2570   { CA_ARG_UNDEFINED,                   " "                             },
2571   { CA_ARG_ELEMENT_CS_HEADLINE,         "[CE score]"                    },
2572   { CA_ARG_ELEMENT_CS_TARGET,           "target"                        },
2573   { CA_ARG_ELEMENT_CS_TRIGGER,          "trigger"                       },
2574   { CA_ARG_ELEMENT_CS_ACTION,           "action ->"                     },
2575   { CA_ARG_UNDEFINED,                   " "                             },
2576   { CA_ARG_ELEMENT_NR_HEADLINE,         "[element]"                     },
2577   { CA_ARG_ELEMENT_NR_TARGET,           "target"                        },
2578   { CA_ARG_ELEMENT_NR_TRIGGER,          "trigger"                       },
2579   { CA_ARG_ELEMENT_NR_ACTION,           "action ->"                     },
2580
2581   { -1,                                 NULL                            }
2582 };
2583
2584 static struct ValueTextInfo options_action_arg_envelope[] =
2585 {
2586   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2587   { CA_ARG_1,                           "1"                             },
2588   { CA_ARG_2,                           "2"                             },
2589   { CA_ARG_3,                           "3"                             },
2590   { CA_ARG_4,                           "4"                             },
2591   { CA_ARG_UNDEFINED,                   " "                             },
2592   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2593   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2594   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2595   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2596
2597   { -1,                                 NULL                            }
2598 };
2599
2600 static struct ValueTextInfo options_action_arg_key[] =
2601 {
2602   { CA_ARG_NUMBER_HEADLINE,             "[number]"                      },
2603   { CA_ARG_1,                           "1"                             },
2604   { CA_ARG_2,                           "2"                             },
2605   { CA_ARG_3,                           "3"                             },
2606   { CA_ARG_4,                           "4"                             },
2607   { CA_ARG_5,                           "5"                             },
2608   { CA_ARG_6,                           "6"                             },
2609   { CA_ARG_7,                           "7"                             },
2610   { CA_ARG_8,                           "8"                             },
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_speed[] =
2621 {
2622   { CA_ARG_SPEED_HEADLINE,              "[speed]"                       },
2623   { CA_ARG_SPEED_NOT_MOVING,            "frozen"                        },
2624   { CA_ARG_SPEED_VERY_SLOW,             "very slow"                     },
2625   { CA_ARG_SPEED_SLOW,                  "slow"                          },
2626   { CA_ARG_SPEED_NORMAL,                "normal"                        },
2627   { CA_ARG_SPEED_FAST,                  "fast"                          },
2628   { CA_ARG_SPEED_VERY_FAST,             "very fast"                     },
2629   { CA_ARG_SPEED_EVEN_FASTER,           "ultrafast"                     },
2630   { CA_ARG_UNDEFINED,                   " "                             },
2631   { CA_ARG_SPEED_SLOWER,                "slower"                        },
2632   { CA_ARG_SPEED_FASTER,                "faster"                        },
2633   { CA_ARG_UNDEFINED,                   " "                             },
2634   { CA_ARG_SPEED_RESET,                 "reset"                         },
2635
2636   { -1,                                 NULL                            }
2637 };
2638
2639 static struct ValueTextInfo options_action_arg_shield[] =
2640 {
2641   { CA_ARG_SHIELD_HEADLINE,             "[shield]"                      },
2642   { CA_ARG_SHIELD_OFF,                  "off"                           },
2643   { CA_ARG_SHIELD_NORMAL,               "normal"                        },
2644   { CA_ARG_SHIELD_DEADLY,               "deadly"                        },
2645
2646   { -1,                                 NULL                            }
2647 };
2648
2649 static struct ValueTextInfo options_action_arg_artwork[] =
2650 {
2651   { CA_ARG_ELEMENT_HEADLINE,            "[element]"                     },
2652   { CA_ARG_ELEMENT_TARGET,              "target"                        },
2653   { CA_ARG_ELEMENT_TRIGGER,             "trigger"                       },
2654   { CA_ARG_ELEMENT_ACTION,              "action ->"                     },
2655   { CA_ARG_UNDEFINED,                   " "                             },
2656   { CA_ARG_ELEMENT_RESET,               "reset"                         },
2657
2658   { -1,                                 NULL                            }
2659 };
2660
2661 static struct ValueTextInfo options_action_arg_gravity[] =
2662 {
2663   { CA_ARG_GRAVITY_HEADLINE,            "[gravity]"                     },
2664   { CA_ARG_GRAVITY_ON,                  "on"                            },
2665   { CA_ARG_GRAVITY_OFF,                 "off"                           },
2666   { CA_ARG_GRAVITY_TOGGLE,              "toggle"                        },
2667
2668   { -1,                                 NULL                            }
2669 };
2670
2671 static struct ValueTextInfo options_action_arg_direction[] =
2672 {
2673   { CA_ARG_DIRECTION_HEADLINE,          "[dir.]"                        },
2674   { CA_ARG_DIRECTION_NONE,              "none"                          },
2675   { CA_ARG_DIRECTION_LEFT,              "left"                          },
2676   { CA_ARG_DIRECTION_RIGHT,             "right"                         },
2677   { CA_ARG_DIRECTION_UP,                "up"                            },
2678   { CA_ARG_DIRECTION_DOWN,              "down"                          },
2679   { CA_ARG_DIRECTION_TRIGGER,           "trigger"                       },
2680   { CA_ARG_DIRECTION_TRIGGER_BACK,      "-trigger"                      },
2681
2682   { -1,                                 NULL                            }
2683 };
2684
2685 static struct ValueTextInfo options_action_arg_scan_mode[] =
2686 {
2687   { CA_ARG_SCAN_MODE_HEADLINE,          "[mode]"                        },
2688   { CA_ARG_SCAN_MODE_NORMAL,            "normal"                        },
2689   { CA_ARG_SCAN_MODE_REVERSE,           "reverse"                       },
2690
2691   { -1,                                 NULL                            }
2692 };
2693
2694 static struct ValueTextInfo options_action_arg_inventory[] =
2695 {
2696   { CA_ARG_INVENTORY_HEADLINE,          "[add]"                         },
2697   { CA_ARG_ELEMENT_TARGET,              "+ target"                      },
2698   { CA_ARG_ELEMENT_TRIGGER,             "+ trigger"                     },
2699   { CA_ARG_ELEMENT_ACTION,              "+ action"                      },
2700   { CA_ARG_UNDEFINED,                   " "                             },
2701   { CA_ARG_INVENTORY_RM_HEADLINE,       "[remove]"                      },
2702   { CA_ARG_INVENTORY_RM_TARGET,         "- target"                      },
2703   { CA_ARG_INVENTORY_RM_TRIGGER,        "- trigger"                     },
2704   { CA_ARG_INVENTORY_RM_ACTION,         "- action"                      },
2705   { CA_ARG_INVENTORY_RM_FIRST,          "- first"                       },
2706   { CA_ARG_INVENTORY_RM_LAST,           "- last"                        },
2707   { CA_ARG_INVENTORY_RM_ALL,            "- all"                         },
2708   { CA_ARG_UNDEFINED,                   " "                             },
2709   { CA_ARG_INVENTORY_RESET,             "reset"                         },
2710
2711   { -1,                                 NULL                            }
2712 };
2713
2714 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2715 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2716 {
2717   { -1,                                 NULL                            }
2718 };
2719
2720 static struct ValueTextInfo options_group_choice_mode[] =
2721 {
2722   { ANIM_RANDOM,                        "random"                        },
2723   { ANIM_LOOP,                          "loop"                          },
2724   { ANIM_LINEAR,                        "linear"                        },
2725   { ANIM_PINGPONG,                      "pingpong"                      },
2726   { ANIM_PINGPONG2,                     "pingpong 2"                    },
2727   { ANIM_LEVEL_NR,                      "level number"                  },
2728
2729   { -1,                                 NULL                            }
2730 };
2731
2732 static struct ValueTextInfo options_bd_scheduling_type[] =
2733 {
2734   { GD_SCHEDULING_MILLISECONDS,         "Milliseconds"                  },
2735   { GD_SCHEDULING_BD1,                  "BD1"                           },
2736   { GD_SCHEDULING_BD2,                  "BD2"                           },
2737   { GD_SCHEDULING_PLCK,                 "Construction Kit"              },
2738   { GD_SCHEDULING_CRDR,                 "Crazy Dream 7"                 },
2739   { GD_SCHEDULING_BD1_ATARI,            "Atari BD1"                     },
2740   { GD_SCHEDULING_BD2_PLCK_ATARI,       "Atari BD2 / PLCK"              },
2741
2742   { -1,                                   NULL                          }
2743 };
2744
2745 static struct ValueTextInfo *action_arg_modes[] =
2746 {
2747   options_action_mode_none,
2748   options_action_mode_assign,
2749   options_action_mode_add_remove,
2750   options_action_mode_calculate,
2751 };
2752
2753 static struct
2754 {
2755   int value;
2756   int mode;
2757   struct ValueTextInfo *options;
2758 }
2759 action_arg_options[] =
2760 {
2761   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2762   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2763   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2764   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2765   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2766   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2767   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2768   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2769   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2770   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2771   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2772   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2773   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2774   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2775   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2776   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2777   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2778   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2779   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2780   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2781   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2782   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2783
2784   { -1,                         FALSE,  NULL                            }
2785 };
2786
2787 static struct
2788 {
2789   int gadget_type_id;
2790   int x, y;
2791   int gadget_id;
2792   int gadget_id_align;
2793   int size;     // char size of selectbox or '-1' (dynamically determined)
2794   struct ValueTextInfo *options;
2795   int *value;
2796   char *text_above, *text_left, *text_right, *infotext;
2797 } selectbox_info[ED_NUM_SELECTBOX] =
2798 {
2799   // ---------- level and editor settings -------------------------------------
2800
2801   {
2802     ED_SELECTBOX_ID_TIME_OR_STEPS,
2803     -1,                                         ED_LEVEL_SETTINGS_YPOS(8),
2804     GADGET_ID_TIME_OR_STEPS,                    GADGET_ID_LEVEL_TIMELIMIT_UP,
2805     -1,
2806     options_time_or_steps,
2807     &level.use_step_counter,
2808     NULL, NULL, "(0 => no limit)",              "Select time or step limit"
2809   },
2810   {
2811     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2812     -1,                                         ED_LEVEL_SETTINGS_YPOS(10),
2813     GADGET_ID_TIME_SCORE_BASE,                  GADGET_ID_LEVEL_TIMESCORE_UP,
2814     -1,
2815     options_time_score_base,
2816     &level.time_score_base,
2817     NULL, NULL, NULL,                           "Select time score for 1 or 10 seconds/steps"
2818   },
2819   {
2820     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2821     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(12),
2822     GADGET_ID_GAME_ENGINE_TYPE,                 GADGET_ID_NONE,
2823     -1,
2824     options_game_engine_type,
2825     &level.game_engine_type,
2826     NULL, "Game engine:", NULL,                 "Select game engine"
2827   },
2828   {
2829     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2830     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
2831     GADGET_ID_BD_SCHEDULING_TYPE,               GADGET_ID_NONE,
2832     -1,
2833     options_bd_scheduling_type,
2834     &level.bd_scheduling_type,
2835     NULL, "Scheduling type:", NULL,             "Select level timing"
2836   },
2837   {
2838     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2839     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
2840     GADGET_ID_LEVELSET_SAVE_MODE,               GADGET_ID_NONE,
2841     -1,
2842     options_levelset_save_mode,
2843     &levelset_save_mode,
2844     "Action:", NULL, NULL,                      "Select action when saving level set"
2845   },
2846
2847   // ---------- element settings: configure (several elements) ----------------
2848
2849   {
2850     ED_SELECTBOX_ID_WIND_DIRECTION,
2851     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2852     GADGET_ID_WIND_DIRECTION,                   GADGET_ID_NONE,
2853     -1,
2854     options_wind_direction,
2855     &level.wind_direction_initial,
2856     NULL, "Initial wind direction:", NULL,      "Select initial wind direction"
2857   },
2858   {
2859     ED_SELECTBOX_ID_PLAYER_SPEED,
2860     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(7),
2861     GADGET_ID_PLAYER_SPEED,                     GADGET_ID_NONE,
2862     -1,
2863     options_player_speed,
2864     &level.initial_player_stepsize[0],
2865     NULL, "Initial player speed:", NULL,        "Select initial player speed"
2866   },
2867   {
2868     ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION,
2869     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
2870     GADGET_ID_BD_GRAVITY_DIRECTION,             GADGET_ID_NONE,
2871     -1,
2872     options_bd_gravity_direction,
2873     &level.bd_gravity_direction,
2874     NULL, "Gravity direction:", NULL,           "Select initial gravity direction"
2875   },
2876   {
2877     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2878     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
2879     GADGET_ID_MM_BALL_CHOICE_MODE,              GADGET_ID_NONE,
2880     -1,
2881     options_group_choice_mode,
2882     &level.mm_ball_choice_mode,
2883     NULL, "Choice type:", NULL,                 "Select type of content choice"
2884   },
2885
2886   // ---------- element settings: configure 1 (custom elements) ---------------
2887
2888   {
2889     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2890     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2891     GADGET_ID_CUSTOM_ACCESS_TYPE,               GADGET_ID_NONE,
2892     -1,
2893     options_access_type,
2894     &custom_element.access_type,
2895     NULL, NULL, NULL,                           "Select type of access to this field"
2896   },
2897   {
2898     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2899     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2900     GADGET_ID_CUSTOM_ACCESS_LAYER,              GADGET_ID_CUSTOM_ACCESS_TYPE,
2901     -1,
2902     options_access_layer,
2903     &custom_element.access_layer,
2904     NULL, NULL, NULL,                           "Select layer of access for this field"
2905   },
2906   {
2907     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2908     -1,                                         ED_ELEMENT_SETTINGS_YPOS(2),
2909     GADGET_ID_CUSTOM_ACCESS_PROTECTED,          GADGET_ID_CUSTOM_ACCESS_LAYER,
2910     -1,
2911     options_access_protected,
2912     &custom_element.access_protected,
2913     NULL, NULL, NULL,                           "Select protected access for this field"
2914   },
2915   {
2916     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2917     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2918     GADGET_ID_CUSTOM_ACCESS_DIRECTION,          GADGET_ID_NONE,
2919     -1,
2920     options_access_direction,
2921     &custom_element.access_direction,
2922     NULL, "from", NULL,                         "Select access direction for this field"
2923   },
2924   {
2925     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2926     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2927     GADGET_ID_CUSTOM_WALK_TO_ACTION,            GADGET_ID_NONE,
2928     -1,
2929     options_walk_to_action,
2930     &custom_element.walk_to_action,
2931     NULL, NULL, NULL,                           "Select diggable/collectible/pushable"
2932   },
2933
2934   // ---------- element settings: configure 2 (custom elements) ---------------
2935
2936   {
2937     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2938     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(1),
2939     GADGET_ID_CUSTOM_MOVE_PATTERN,              GADGET_ID_NONE,
2940     -1,
2941     options_move_pattern,
2942     &custom_element.move_pattern,
2943     NULL, "Can move", NULL,                     "Select element move pattern"
2944   },
2945   {
2946     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2947     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
2948     GADGET_ID_CUSTOM_MOVE_DIRECTION,            GADGET_ID_NONE,
2949     -1,
2950     options_move_direction,
2951     &custom_element.move_direction_initial,
2952     NULL, "Starts moving", NULL,                "Select initial element move direction"
2953   },
2954   {
2955     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2956     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
2957     GADGET_ID_CUSTOM_MOVE_STEPSIZE,             GADGET_ID_NONE,
2958     -1,
2959     options_move_stepsize,
2960     &custom_element.move_stepsize,
2961     NULL, "Move/fall speed", NULL,              "Select speed of element movement"
2962   },
2963   {
2964     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2965     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(3),
2966     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,           GADGET_ID_NONE,
2967     -1,
2968     options_move_leave_type,
2969     &custom_element.move_leave_type,
2970     // left text with leading spaces to place gadget next to "can dig" gadget
2971     // (needed because drawing area gadgets created after selectbox gadgets)
2972     // NULL, "can dig:    can", ":",            "leave behind or change element"
2973     NULL, "            Can", ":",               "Select leave behind or change element"
2974   },
2975   {
2976     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2977     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
2978     GADGET_ID_CUSTOM_SMASH_TARGETS,             GADGET_ID_CUSTOM_CAN_SMASH,
2979     -1,
2980     options_smash_targets,
2981     &custom_element.smash_targets,
2982     NULL, "Can smash", NULL,                    "Select elements that can be smashed"
2983   },
2984   {
2985     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2986     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
2987     GADGET_ID_CUSTOM_SLIPPERY_TYPE,             GADGET_ID_NONE,
2988     -1,
2989     options_slippery_type,
2990     &custom_element.slippery_type,
2991     NULL, "Slippery", NULL,                     "Select where other elements fall down"
2992   },
2993   {
2994     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2995     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(10),
2996     GADGET_ID_CUSTOM_DEADLINESS,                GADGET_ID_NONE,
2997     -1,
2998     options_deadliness,
2999     &custom_element.deadliness,
3000     NULL, "Deadly when", NULL,                  "Select deadliness of element"
3001   },
3002   {
3003     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
3004     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(11),
3005     GADGET_ID_CUSTOM_EXPLOSION_TYPE,            GADGET_ID_NONE,
3006     -1,
3007     options_explosion_type,
3008     &custom_element.explosion_type,
3009     NULL, "Can explode", NULL,                  "Select explosion type"
3010   },
3011
3012   // ---------- element settings: advanced (custom elements) ------------------
3013
3014   {
3015     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
3016     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(3),
3017     GADGET_ID_CHANGE_TIME_UNITS,                GADGET_ID_NONE,
3018     -1,
3019     options_time_units,
3020     &custom_element_change.delay_frames,
3021     NULL, "Delay time given in", NULL,          "Select delay time units for change"
3022   },
3023   {
3024     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
3025     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(4),
3026     GADGET_ID_CHANGE_DIRECT_ACTION,             GADGET_ID_NONE,
3027     -1,
3028     options_change_direct_action,
3029     &custom_element_change.direct_action,
3030     NULL, NULL, NULL,                           "Select type of direct action"
3031   },
3032   {
3033     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
3034     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(5),
3035     GADGET_ID_CHANGE_OTHER_ACTION,              GADGET_ID_NONE,
3036     -1,
3037     options_change_other_action,
3038     &custom_element_change.other_action,
3039     NULL, NULL, "element:",                     "Select type of other element action"
3040   },
3041   {
3042     ED_SELECTBOX_ID_CHANGE_SIDE,
3043     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(6),
3044     GADGET_ID_CHANGE_SIDE,                      GADGET_ID_NONE,
3045     -1,
3046     options_change_trigger_side,
3047     &custom_element_change.trigger_side,
3048     NULL, "at", "side",                         "Select element side triggering change"
3049   },
3050   {
3051     ED_SELECTBOX_ID_CHANGE_PLAYER,
3052     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3053     GADGET_ID_CHANGE_PLAYER,                    GADGET_ID_NONE,
3054     -1,
3055     options_change_trigger_player,
3056     &custom_element_change.trigger_player,
3057     NULL, "Player:", " ",                       "Select player that causes change"
3058   },
3059   {
3060     ED_SELECTBOX_ID_CHANGE_PAGE,
3061     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(7),
3062     GADGET_ID_CHANGE_PAGE,                      GADGET_ID_CHANGE_PLAYER,
3063     -1,
3064     options_change_trigger_page,
3065     &custom_element_change.trigger_page,
3066     NULL, "Page:", NULL,                        "Select change page that causes change"
3067   },
3068   {
3069     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
3070     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(10),
3071     GADGET_ID_CHANGE_REPLACE_WHEN,              GADGET_ID_NONE,
3072     -1,
3073     options_change_replace_when,
3074     &custom_element_change.replace_when,
3075     NULL, "Replace when", NULL,                 "Select which elements can be replaced"
3076   },
3077   {
3078     ED_SELECTBOX_ID_ACTION_TYPE,
3079     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(13),
3080     GADGET_ID_ACTION_TYPE,                      GADGET_ID_NONE,
3081     15,
3082     options_action_type,
3083     &custom_element_change.action_type,
3084     NULL, NULL, NULL,                           "Select action on specified condition"
3085   },
3086   {
3087     ED_SELECTBOX_ID_ACTION_MODE,
3088     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3089     GADGET_ID_ACTION_MODE,                      GADGET_ID_ACTION_TYPE,
3090     -1,
3091     options_action_mode_none,
3092     &custom_element_change.action_mode,
3093     NULL, NULL, NULL,                           "Select action operator"
3094   },
3095   {
3096     ED_SELECTBOX_ID_ACTION_ARG,
3097     -1,                                         ED_ELEMENT_SETTINGS_YPOS(13),
3098     GADGET_ID_ACTION_ARG,                       GADGET_ID_ACTION_MODE,
3099     -1,
3100     options_action_arg_none,
3101     &custom_element_change.action_arg,
3102     NULL, NULL, NULL,                           "Select action parameter"
3103   },
3104   {
3105     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
3106     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(14),
3107     GADGET_ID_SELECT_CHANGE_PAGE,               GADGET_ID_NONE,
3108     3,
3109     options_change_page,
3110     &custom_element.current_change_page,
3111     NULL, NULL, NULL,                           "Select element change page"
3112   },
3113
3114   // ---------- element settings: configure (group elements) ------------------
3115
3116   {
3117     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
3118     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3119     GADGET_ID_GROUP_CHOICE_MODE,                GADGET_ID_NONE,
3120     -1,
3121     options_group_choice_mode,
3122     &group_element_info.choice_mode,
3123     NULL, "Choice type:", NULL,                 "Select type of group element choice"
3124   },
3125 };
3126
3127 static struct
3128 {
3129   int gadget_type_id;
3130   int x, y;
3131   int gadget_id;
3132   int gadget_id_align;
3133   int size;
3134   char *text;
3135   char *text_above, *text_left, *text_right, *infotext;
3136 } textbutton_info[ED_NUM_TEXTBUTTONS] =
3137 {
3138   // ---------- level and editor settings (tabs) ------------------------------
3139
3140   {
3141     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
3142     ED_LEVEL_TABS_XPOS(0),                      ED_LEVEL_TABS_YPOS(0),
3143     GADGET_ID_LEVELCONFIG_LEVEL,                GADGET_ID_NONE,
3144     8,                                          "Level",
3145     NULL, NULL, NULL,                           "Configure level settings"
3146   },
3147   {
3148     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3149     -1,                                         -1,
3150     GADGET_ID_LEVELCONFIG_LEVELSET,             GADGET_ID_LEVELCONFIG_LEVEL,
3151     8,                                          "Levelset",
3152     NULL, NULL, NULL,                           "Update this or create new level set"
3153   },
3154   {
3155     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3156     -1,                                         -1,
3157     GADGET_ID_LEVELCONFIG_EDITOR,               GADGET_ID_LEVELCONFIG_LEVELSET,
3158     8,                                          "Editor",
3159     NULL, NULL, NULL,                           "Configure editor settings"
3160   },
3161   {
3162     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3163     -1,                                         -1,
3164     GADGET_ID_LEVELCONFIG_ENGINE,               GADGET_ID_LEVELCONFIG_EDITOR,
3165     8,                                          "Engine",
3166     NULL, NULL, NULL,                           "Configure engine settings"
3167   },
3168
3169   // ---------- element settings (tabs) ---------------------------------------
3170
3171   {
3172     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3173     ED_ELEMENT_TABS_XPOS(0),                    ED_ELEMENT_TABS_YPOS(0),
3174     GADGET_ID_PROPERTIES_INFO,                  GADGET_ID_NONE,
3175     8,                                          "Info",
3176     NULL, NULL, NULL,                           "Show information about element"
3177   },
3178   {
3179     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3180     -1,                                         -1,
3181     GADGET_ID_PROPERTIES_CONFIG,                GADGET_ID_PROPERTIES_INFO,
3182     8,                                          "Config",
3183     NULL, NULL, NULL,                           "Configure element properties"
3184   },
3185   {
3186     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3187     -1,                                         -1,
3188     GADGET_ID_PROPERTIES_CONFIG_1,              GADGET_ID_PROPERTIES_INFO,
3189     8,                                          "Config 1",
3190     NULL, NULL, NULL,                           "Configure element properties, part 1"
3191   },
3192   {
3193     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3194     -1,                                         -1,
3195     GADGET_ID_PROPERTIES_CONFIG_2,              GADGET_ID_PROPERTIES_CONFIG_1,
3196     8,                                          "Config 2",
3197     NULL, NULL, NULL,                           "Configure element properties, part 2"
3198   },
3199   {
3200     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3201     -1,                                         -1,
3202     GADGET_ID_PROPERTIES_CHANGE,                GADGET_ID_PROPERTIES_CONFIG_2,
3203     8,                                          "Change",
3204     NULL, NULL, NULL,                           "Configure custom element change pages"
3205   },
3206
3207   // ---------- level and editor settings (buttons) ---------------------------
3208
3209   {
3210     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3211     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(10),
3212     GADGET_ID_SAVE_LEVELSET,                    GADGET_ID_LEVELSET_SAVE_MODE,
3213     -1,                                         "Save",
3214     NULL, NULL, NULL,                           "Update or create level set"
3215   },
3216   {
3217     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3218     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3219     GADGET_ID_SAVE_AS_TEMPLATE_2,               GADGET_ID_NONE,
3220     -1,                                         "Save",
3221     NULL, NULL,                                 "this level as level template",
3222     "Save current settings as new template"
3223   },
3224
3225   // ---------- element settings (buttons) ------------------------------------
3226
3227   {
3228     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3229     -1,                                         -1,
3230     GADGET_ID_SAVE_AS_TEMPLATE_1,               GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3231     -1,                                         "Save",
3232     NULL, " ",                                  "As Template",
3233     "Save current settings as new template"
3234   },
3235   {
3236     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3237     -1,                                         -1,
3238     GADGET_ID_ADD_CHANGE_PAGE,                  GADGET_ID_PASTE_CHANGE_PAGE,
3239     -1,                                         "New",
3240     NULL, NULL, NULL,                           "Add new change page"
3241   },
3242   {
3243     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3244     -1,                                         -1,
3245     GADGET_ID_DEL_CHANGE_PAGE,                  GADGET_ID_ADD_CHANGE_PAGE,
3246     -1,                                         "Delete",
3247     NULL, NULL, NULL,                           "Delete current change page"
3248   },
3249 };
3250
3251 static struct
3252 {
3253   int gadget_type_id;
3254   int graphic;
3255   int x, y;
3256   int gadget_id;
3257   int gadget_id_align;
3258   char *text_left, *text_right, *infotext;
3259 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3260 {
3261   {
3262     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3263     IMG_EDITOR_COUNTER_DOWN,
3264     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3265     GADGET_ID_PREV_CHANGE_PAGE,                 GADGET_ID_NONE,
3266     NULL, NULL,                                 "Select previous change page"
3267   },
3268   {
3269     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3270     IMG_EDITOR_COUNTER_UP,
3271     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3272     GADGET_ID_NEXT_CHANGE_PAGE,                 GADGET_ID_SELECT_CHANGE_PAGE,
3273     NULL, "Change page",                        "Select next change page"
3274   },
3275   {
3276     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3277     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3278     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3279     GADGET_ID_COPY_CHANGE_PAGE,                 GADGET_ID_NEXT_CHANGE_PAGE,
3280     " ", NULL,                                  "Copy settings from this change page"
3281   },
3282   {
3283     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3284     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3285     -1,                                         ED_ELEMENT_SETTINGS_YPOS(14),
3286     GADGET_ID_PASTE_CHANGE_PAGE,                GADGET_ID_COPY_CHANGE_PAGE,
3287     NULL, NULL,                                 "Paste settings to this change page"
3288   },
3289 };
3290
3291 static struct
3292 {
3293   int x, y;
3294 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3295
3296 static struct
3297 {
3298   int gadget_type_id;
3299   int graphic;
3300   int gadget_id;
3301   char *infotext;
3302 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3303 {
3304   {
3305     ED_SCROLLBUTTON_ID_AREA_UP,
3306     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3307     GADGET_ID_SCROLL_UP,
3308     "Scroll level editing area up"
3309   },
3310   {
3311     ED_SCROLLBUTTON_ID_AREA_DOWN,
3312     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3313     GADGET_ID_SCROLL_DOWN,
3314     "Scroll level editing area down"
3315   },
3316   {
3317     ED_SCROLLBUTTON_ID_AREA_LEFT,
3318     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3319     GADGET_ID_SCROLL_LEFT,
3320     "Scroll level editing area left"
3321   },
3322   {
3323     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3324     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3325     GADGET_ID_SCROLL_RIGHT,
3326     "Scroll level editing area right"
3327   },
3328   {
3329     ED_SCROLLBUTTON_ID_LIST_UP,
3330     IMG_EDITOR_PALETTE_SCROLL_UP,
3331     GADGET_ID_SCROLL_LIST_UP,
3332     "Scroll element list up ('Page Up')"
3333   },
3334   {
3335     ED_SCROLLBUTTON_ID_LIST_DOWN,
3336     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3337     GADGET_ID_SCROLL_LIST_DOWN,
3338     "Scroll element list down ('Page Down')"
3339   },
3340 };
3341
3342 static struct
3343 {
3344   int x, y;
3345   int width, height;
3346   int wheel_x, wheel_y;
3347   int wheel_width, wheel_height;
3348 } scrollbar_pos[ED_NUM_SCROLLBARS];
3349
3350 static struct
3351 {
3352   int gadget_type_id;
3353   int graphic;
3354   int type;
3355   int gadget_id;
3356   char *infotext;
3357 } scrollbar_info[ED_NUM_SCROLLBARS] =
3358 {
3359   {
3360     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3361     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3362     GD_TYPE_SCROLLBAR_HORIZONTAL,
3363     GADGET_ID_SCROLL_HORIZONTAL,
3364     "Scroll level editing area horizontally"
3365   },
3366   {
3367     ED_SCROLLBAR_ID_AREA_VERTICAL,
3368     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3369     GD_TYPE_SCROLLBAR_VERTICAL,
3370     GADGET_ID_SCROLL_VERTICAL,
3371     "Scroll level editing area vertically"
3372   },
3373   {
3374     ED_SCROLLBAR_ID_LIST_VERTICAL,
3375     IMG_EDITOR_PALETTE_SCROLLBAR,
3376     GD_TYPE_SCROLLBAR_VERTICAL,
3377     GADGET_ID_SCROLL_LIST_VERTICAL,
3378     "Scroll element list vertically"
3379   }
3380 };
3381
3382
3383 static struct
3384 {
3385   int gadget_type_id;
3386   int x, y;
3387   int gadget_id;
3388   int gadget_id_align;
3389   int radio_button_nr;
3390   int *value;
3391   int checked_value;
3392   char *text_left, *text_right, *infotext;
3393 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3394 {
3395   {
3396     ED_RADIOBUTTON_ID_PERCENTAGE,
3397     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3398     GADGET_ID_RANDOM_PERCENTAGE,                GADGET_ID_LEVEL_RANDOM_UP,
3399     RADIO_NR_RANDOM_ELEMENTS,
3400     &random_placement_method,                   RANDOM_USE_PERCENTAGE,
3401     " ", "percentage",                          "Use percentage for random elements"
3402   },
3403   {
3404     ED_RADIOBUTTON_ID_QUANTITY,
3405     -1,                                         ED_LEVEL_SETTINGS_YPOS(0),
3406     GADGET_ID_RANDOM_QUANTITY,                  GADGET_ID_RANDOM_PERCENTAGE,
3407     RADIO_NR_RANDOM_ELEMENTS,
3408     &random_placement_method,                   RANDOM_USE_QUANTITY,
3409     " ", "quantity",                            "Use quantity for random elements"
3410   }
3411 };
3412
3413 static struct
3414 {
3415   int gadget_type_id;
3416   int x, y;
3417   int gadget_id;
3418   int gadget_id_align;
3419   boolean *value;
3420   char *text_above, *text_left, *text_right, *infotext;
3421 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3422 {
3423   // ---------- level and editor settings -------------------------------------
3424
3425   {
3426     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3427     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3428     GADGET_ID_AUTO_COUNT_GEMS,                  GADGET_ID_NONE,
3429     &level.auto_count_gems,
3430     NULL, NULL,
3431     "Automatically count gems needed",          "Set counter to number of gems"
3432   },
3433   {
3434     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3435     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(11),
3436     GADGET_ID_RATE_TIME_OVER_SCORE,             GADGET_ID_NONE,
3437     &level.rate_time_over_score,
3438     NULL, NULL,
3439     "Rate time/steps used over score",          "Sort high scores by playing time/steps"
3440   },
3441   {
3442     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3443     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3444     GADGET_ID_USE_LEVELSET_ARTWORK,             GADGET_ID_NONE,
3445     &levelset_use_levelset_artwork,
3446     NULL, NULL,
3447     "Use current custom artwork",               "Use custom artwork of this level set"
3448   },
3449   {
3450     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3451     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3452     GADGET_ID_COPY_LEVEL_TEMPLATE,              GADGET_ID_NONE,
3453     &levelset_copy_level_template,
3454     NULL, NULL,
3455     "Copy current level template",              "Copy level template of this level set"
3456   },
3457   {
3458     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3459     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(1),
3460     GADGET_ID_RANDOM_RESTRICTED,                GADGET_ID_NONE,
3461     &random_placement_background_restricted,
3462     NULL, NULL,
3463     "Restrict random placement to:",            "Set random placement restriction"
3464   },
3465   {
3466     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3467     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(4),
3468     GADGET_ID_CUSTOM_USE_TEMPLATE_3,            GADGET_ID_NONE,
3469     &setup.editor.use_template_for_new_levels,
3470     "Template for new levels and CE/GE:", NULL,
3471     "Use template for new levels",              "Use template for level properties"
3472   },
3473   {
3474     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3475     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(5),
3476     GADGET_ID_CUSTOM_USE_TEMPLATE_2,            GADGET_ID_NONE,
3477     &level.use_custom_template,
3478     NULL, NULL,
3479     "Use template for custom elements",         "Use template for custom properties"
3480   },
3481   {
3482     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3483     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(0),
3484     GADGET_ID_BD_INTERMISSION,                  GADGET_ID_NONE,
3485     &level.bd_intermission,
3486     "Boulder Dash game engine settings:", NULL,
3487     "Intermission",                             "Level is an intermission level"
3488   },
3489   {
3490     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3491     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(2),
3492     GADGET_ID_BD_PAL_TIMING,                    GADGET_ID_NONE,
3493     &level.bd_pal_timing,
3494     NULL, NULL,
3495     "PAL timing",                               "Use slower timer (like PAL C64)"
3496   },
3497   {
3498     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3499     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(6),
3500     GADGET_ID_BD_LINE_SHIFTING_BORDERS,         GADGET_ID_NONE,
3501     &level.bd_line_shifting_borders,
3502     "Compatibility settings:", NULL,
3503     "Line-shifting borders",                    "Use line-shifting wrap-around"
3504   },
3505   {
3506     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3507     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(7),
3508     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,       GADGET_ID_NONE,
3509     &level.bd_scan_first_and_last_row,
3510     NULL, NULL,
3511     "Scan first and last row",                  "Also process top/bottom border rows"
3512   },
3513   {
3514     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3515     ED_LEVEL_SETTINGS_XPOS(0),                  ED_LEVEL_SETTINGS_YPOS(8),
3516     GADGET_ID_BD_SHORT_EXPLOSIONS,              GADGET_ID_NONE,
3517     &level.bd_short_explosions,
3518     NULL, NULL,
3519     "Short explosions",                         "Use four game cycles for explosions"
3520   },
3521
3522   // ---------- element settings: configure (various elements) ----------------
3523
3524   {
3525     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3526     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3527     GADGET_ID_STICK_ELEMENT,                    GADGET_ID_NONE,
3528     &stick_element_properties_window,
3529     NULL, NULL,
3530     "Stick this screen to edit content",        "Stick this screen to edit content"
3531   },
3532   {
3533     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3534     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3535     GADGET_ID_EM_SLIPPERY_GEMS,                 GADGET_ID_NONE,
3536     &level.em_slippery_gems,
3537     NULL, NULL,
3538     "Slip down from certain flat walls",        "Use EM/DC style slipping behaviour"
3539   },
3540   {
3541     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3542     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3543     GADGET_ID_EM_EXPLODES_BY_FIRE,              GADGET_ID_NONE,
3544     &level.em_explodes_by_fire,
3545     NULL, NULL,
3546     "Explodes with chain reaction",             "Use R'n'D style explosion behaviour"
3547   },
3548   {
3549     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3550     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3551     GADGET_ID_USE_SPRING_BUG,                   GADGET_ID_NONE,
3552     &level.use_spring_bug,
3553     NULL, NULL,
3554     "Use spring pushing bug",                   "Use odd spring pushing behaviour"
3555   },
3556   {
3557     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3558     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3559     GADGET_ID_USE_TIME_ORB_BUG,                 GADGET_ID_NONE,
3560     &level.use_time_orb_bug,
3561     NULL, NULL,
3562     "Use time orb bug",                         "Use odd time orb behaviour"
3563   },
3564   {
3565     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3566     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3567     GADGET_ID_USE_LIFE_BUGS,                    GADGET_ID_NONE,
3568     &level.use_life_bugs,
3569     NULL, NULL,
3570     "Use buggy element behaviour",              "Use odd (historic) element behaviour"
3571   },
3572   {
3573     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3574     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3575     GADGET_ID_RANDOM_BALL_CONTENT,              GADGET_ID_NONE,
3576     &level.ball_random,
3577     NULL, NULL,
3578     "Create single random element",             "Only create one element from content"
3579   },
3580   {
3581     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3582     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3583     GADGET_ID_INITIAL_BALL_ACTIVE,              GADGET_ID_NONE,
3584     &level.ball_active_initial,
3585     NULL, NULL,
3586     "Magic ball initially activated",           "Activate magic ball after level start"
3587   },
3588   {
3589     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3590     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3591     GADGET_ID_GROW_INTO_DIGGABLE,               GADGET_ID_NONE,
3592     &level.grow_into_diggable,
3593     NULL, NULL,
3594     "Can grow into anything diggable",          "Grow into more than just sand"
3595   },
3596   {
3597     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3598     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3599     GADGET_ID_SB_FIELDS_NEEDED,                 GADGET_ID_NONE,
3600     &level.sb_fields_needed,
3601     NULL, NULL,
3602     "All fields need to be filled",             "Require all SB fields to be solved"
3603   },
3604   {
3605     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3606     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3607     GADGET_ID_SB_OBJECTS_NEEDED,                GADGET_ID_NONE,
3608     &level.sb_objects_needed,
3609     NULL, NULL,
3610     "All objects need to be placed",            "Require all SB objects to be solved"
3611   },
3612   {
3613     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3614     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3615     GADGET_ID_AUTO_EXIT_SOKOBAN,                GADGET_ID_NONE,
3616     &level.auto_exit_sokoban,
3617     NULL, NULL,
3618     "Exit level if all tasks solved",           "Automatically finish Sokoban levels"
3619   },
3620   {
3621     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3622     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
3623     GADGET_ID_SOLVED_BY_ONE_PLAYER,             GADGET_ID_NONE,
3624     &level.solved_by_one_player,
3625     NULL, NULL,
3626     "Only one player must enter exit",          "Level solved by first player in exit"
3627   },
3628   {
3629     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3630     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3631     GADGET_ID_FINISH_DIG_COLLECT,               GADGET_ID_NONE,
3632     &level.finish_dig_collect,
3633     NULL, NULL,
3634     "CE action on finished dig/collect",        "Only finished dig/collect triggers CE"
3635   },
3636   {
3637     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3638     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3639     GADGET_ID_KEEP_WALKABLE_CE,                 GADGET_ID_NONE,
3640     &level.keep_walkable_ce,
3641     NULL, NULL,
3642     "Keep walkable CE changed to player",       "Keep CE changing to player if walkable"
3643   },
3644   {
3645     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3646     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3647     GADGET_ID_CONTINUOUS_SNAPPING,              GADGET_ID_NONE,
3648     &level.continuous_snapping,
3649     NULL, NULL,
3650     "Continuous snapping",                      "Use snapping without releasing key"
3651   },
3652   {
3653     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3654     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
3655     GADGET_ID_BLOCK_SNAP_FIELD,                 GADGET_ID_NONE,
3656     &level.block_snap_field,
3657     NULL, NULL,
3658     "Block snapped field when snapping",        "Use snapping delay to show animation"
3659   },
3660   {
3661     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3662     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3663     GADGET_ID_BLOCK_LAST_FIELD,                 GADGET_ID_NONE,
3664     &level.block_last_field,
3665     NULL, NULL,
3666     "Block last field when moving",             "Player blocks last field when moving"
3667   },
3668   {
3669     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3670     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3671     GADGET_ID_SP_BLOCK_LAST_FIELD,              GADGET_ID_NONE,
3672     &level.sp_block_last_field,
3673     NULL, NULL,
3674     "Block last field when moving",             "Player blocks last field when moving"
3675   },
3676   {
3677     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3678     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3679     GADGET_ID_INSTANT_RELOCATION,               GADGET_ID_NONE,
3680     &level.instant_relocation,
3681     NULL, NULL,
3682     "No scrolling when relocating",             "Player gets relocated without delay"
3683   },
3684   {
3685     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3686     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3687     GADGET_ID_SHIFTED_RELOCATION,               GADGET_ID_NONE,
3688     &level.shifted_relocation,
3689     NULL, NULL,
3690     "No centering when relocating",             "Level not centered after relocation"
3691   },
3692   {
3693     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3694     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
3695     GADGET_ID_LAZY_RELOCATION,                  GADGET_ID_NONE,
3696     &level.lazy_relocation,
3697     NULL, NULL,
3698     "Only redraw off-screen relocation",        "No redraw if relocation target visible"
3699   },
3700   {
3701     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3702     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
3703     GADGET_ID_USE_START_ELEMENT,                GADGET_ID_NONE,
3704     &level.use_start_element[0],
3705     NULL, NULL,
3706     "Use level start element:",                "Start level at this element's position"
3707   },
3708   {
3709     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3710     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
3711     GADGET_ID_USE_ARTWORK_ELEMENT,              GADGET_ID_NONE,
3712     &level.use_artwork_element[0],
3713     NULL, NULL,
3714     "Use artwork from element:",                "Use player artwork from other element"
3715   },
3716   {
3717     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3718     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(12),
3719     GADGET_ID_USE_EXPLOSION_ELEMENT,            GADGET_ID_NONE,
3720     &level.use_explosion_element[0],
3721     NULL, NULL,
3722     "Use explosion from element:",              "Use explosion properties from element"
3723   },
3724   {
3725     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3726     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
3727     GADGET_ID_INITIAL_GRAVITY,                  GADGET_ID_NONE,
3728     &level.initial_player_gravity[0],
3729     NULL, NULL,
3730     "Use initial gravity",                      "Set initial player gravity"
3731   },
3732   {
3733     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3734     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3735     GADGET_ID_USE_INITIAL_INVENTORY,            GADGET_ID_NONE,
3736     &level.use_initial_inventory[0],
3737     NULL, NULL,
3738     "Use initial inventory:",                   "Use collected elements on level start"
3739   },
3740   {
3741     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3742     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
3743     GADGET_ID_CAN_PASS_TO_WALKABLE,             GADGET_ID_NONE,
3744     &level.can_pass_to_walkable,
3745     NULL, NULL,
3746     "Can pass to walkable element",             "Player can pass to empty or walkable"
3747   },
3748   {
3749     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3750     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3751     GADGET_ID_CAN_FALL_INTO_ACID,               GADGET_ID_NONE,
3752     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3753     NULL, NULL,
3754     "Can fall into acid (with gravity)",        "Player can fall into acid pool"
3755   },
3756   {
3757     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3758     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3759     GADGET_ID_CAN_MOVE_INTO_ACID,               GADGET_ID_NONE,
3760     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3761     NULL, NULL,
3762     "Can move into acid",                       "Element can move into acid pool"
3763   },
3764   {
3765     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3766     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3767     GADGET_ID_DONT_COLLIDE_WITH,                GADGET_ID_NONE,
3768     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3769     NULL, NULL,
3770     "Deadly when colliding with",               "Element is deadly when hitting player"
3771   },
3772   {
3773     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3774     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3775     GADGET_ID_BD_DIAGONAL_MOVEMENTS,            GADGET_ID_NONE,
3776     &level.bd_diagonal_movements,
3777     NULL, NULL,
3778     "Can move diagonally",                      "Player can move diagonally"
3779   },
3780   {
3781     ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE,
3782     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3783     GADGET_ID_BD_TOPMOST_PLAYER_ACTIVE,         GADGET_ID_NONE,
3784     &level.bd_topmost_player_active,
3785     NULL, NULL,
3786     "Topmost player is active",                 "Use first player found on playfield"
3787   },
3788   {
3789     ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,
3790     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
3791     GADGET_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET,     GADGET_ID_NONE,
3792     &level.bd_push_mega_rock_with_sweet,
3793     NULL, NULL,
3794     "Mega rocks pushable with sweet",           "Push mega rocks after eating sweet"
3795   },
3796   {
3797     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING,
3798     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3799     GADGET_ID_BD_MAGIC_WALL_WAIT_HATCHING,      GADGET_ID_NONE,
3800     &level.bd_magic_wall_wait_hatching,
3801     NULL, NULL,
3802     "Wait for player's birth",                  "Timer start waits for player's birth"
3803   },
3804   {
3805     ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA,
3806     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3807     GADGET_ID_BD_MAGIC_WALL_STOPS_AMOEBA,       GADGET_ID_NONE,
3808     &level.bd_magic_wall_stops_amoeba,
3809     NULL, NULL,
3810     "Turn amoeba to diamonds",                  "Activation changes amoeba to diamonds"
3811   },
3812   {
3813     ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING,
3814     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3815     GADGET_ID_BD_AMOEBA_WAIT_FOR_HATCHING,      GADGET_ID_NONE,
3816     &level.bd_amoeba_wait_for_hatching,
3817     NULL, NULL,
3818     "Wait for player's birth",                  "Timer start waits for player's birth"
3819   },
3820   {
3821     ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY,
3822     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3823     GADGET_ID_BD_AMOEBA_START_IMMEDIATELY,      GADGET_ID_NONE,
3824     &level.bd_amoeba_start_immediately,
3825     NULL, NULL,
3826     "Start growing immediately",                "Start slow growth time immediately"
3827   },
3828   {
3829     ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,
3830     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
3831     GADGET_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA,    GADGET_ID_NONE,
3832     &level.bd_amoeba_2_explode_by_amoeba,
3833     NULL, NULL,
3834     "Explodes if touched by amoeba",            "Amoeba 2 explodes if touched by amoeba"
3835   },
3836   {
3837     ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS,
3838     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3839     GADGET_ID_BD_VOODOO_COLLECTS_DIAMONDS,      GADGET_ID_NONE,
3840     &level.bd_voodoo_collects_diamonds,
3841     NULL, NULL,
3842     "Can collect diamonds",                     "Can collect diamonds for the player"
3843   },
3844   {
3845     ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER,
3846     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3847     GADGET_ID_BD_VOODOO_HURT_KILLS_PLAYER,      GADGET_ID_NONE,
3848     &level.bd_voodoo_hurt_kills_player,
3849     NULL, NULL,
3850     "Player is killed if hurt",                 "If hurt in any way, player is killed"
3851   },
3852   {
3853     ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK,
3854     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3855     GADGET_ID_BD_VOODOO_DIES_BY_ROCK,           GADGET_ID_NONE,
3856     &level.bd_voodoo_dies_by_rock,
3857     NULL, NULL,
3858     "Killed by falling rock",                   "Can be killed by a falling rock"
3859   },
3860   {
3861     ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION,
3862     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3863     GADGET_ID_BD_VOODOO_VANISH_BY_EXPLOSION,    GADGET_ID_NONE,
3864     &level.bd_voodoo_vanish_by_explosion,
3865     NULL, NULL,
3866     "Disappears in explosions",                 "Can be destroyed by explosions"
3867   },
3868   {
3869     ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE,
3870     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3871     GADGET_ID_BD_SLIME_IS_PREDICTABLE,          GADGET_ID_NONE,
3872     &level.bd_slime_is_predictable,
3873     NULL, NULL,
3874     "Slime is predictable",                     "Use predictable random numbers"
3875   },
3876   {
3877     ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL,
3878     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3879     GADGET_ID_BD_CHANGE_EXPANDING_WALL,         GADGET_ID_NONE,
3880     &level.bd_change_expanding_wall,
3881     NULL, NULL,
3882     "Change direction",                         "Switch horizontal/vertical direction"
3883   },
3884   {
3885     ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE,
3886     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3887     GADGET_ID_BD_REPLICATORS_ACTIVE,            GADGET_ID_NONE,
3888     &level.bd_replicators_active,
3889     NULL, NULL,
3890     "Active at start",                          "Replicators start in active state"
3891   },
3892   {
3893     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE,
3894     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3895     GADGET_ID_BD_CONVEYOR_BELTS_ACTIVE,         GADGET_ID_NONE,
3896     &level.bd_conveyor_belts_active,
3897     NULL, NULL,
3898     "Active at start",                          "Conveyor belts start in active state"
3899   },
3900   {
3901     ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED,
3902     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3903     GADGET_ID_BD_CONVEYOR_BELTS_CHANGED,        GADGET_ID_NONE,
3904     &level.bd_conveyor_belts_changed,
3905     NULL, NULL,
3906     "Change direction",                         "Switch conveyor belt direction"
3907   },
3908   {
3909     ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN,
3910     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3911     GADGET_ID_BD_WATER_CANNOT_FLOW_DOWN,        GADGET_ID_NONE,
3912     &level.bd_water_cannot_flow_down,
3913     NULL, NULL,
3914     "Does not flow downwards",                  "Water can only flow up, left and right"
3915   },
3916   {
3917     ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR,
3918     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3919     GADGET_ID_BD_HAMMER_WALLS_REAPPEAR,         GADGET_ID_NONE,
3920     &level.bd_hammer_walls_reappear,
3921     NULL, NULL,
3922     "Hammered walls reappear",                  "Hammered walls reappear after delay"
3923   },
3924   {
3925     ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS,
3926     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(0),
3927     GADGET_ID_BD_CREATURES_START_BACKWARDS,     GADGET_ID_NONE,
3928     &level.bd_creatures_start_backwards,
3929     NULL, NULL,
3930     "Creatures start moving backwards",         "Creatures start in opposite direction"
3931   },
3932   {
3933     ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING,
3934     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3935     GADGET_ID_BD_CREATURES_TURN_ON_HATCHING,    GADGET_ID_NONE,
3936     &level.bd_creatures_turn_on_hatching,
3937     NULL, NULL,
3938     "Creatures turn on hatching",               "Creatures change direction on hatching"
3939   },
3940   {
3941     ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE,
3942     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3943     GADGET_ID_BD_GRAVITY_SWITCH_ACTIVE,         GADGET_ID_NONE,
3944     &level.bd_gravity_switch_active,
3945     NULL, NULL,
3946     "Gravity switch active at start",           "Gravity switch starts in active state"
3947   },
3948   {
3949     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3950     ED_LEVEL_SETTINGS_XPOS(0),                  ED_ELEMENT_SETTINGS_YPOS(3),
3951     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,           GADGET_ID_NONE,
3952     &level.bd_gravity_affects_all,
3953     NULL, NULL,
3954     "Gravity change affects everything",        "Gravity affects all falling objects"
3955   },
3956   {
3957     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3958     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3959     GADGET_ID_ENVELOPE_AUTOWRAP,                GADGET_ID_NONE,
3960     &level.envelope[0].autowrap,
3961     NULL, NULL,
3962     "Auto-wrap",                                "Automatically wrap envelope text"
3963   },
3964   {
3965     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3966     -1,                                         ED_ELEMENT_SETTINGS_YPOS(1),
3967     GADGET_ID_ENVELOPE_CENTERED,                GADGET_ID_ENVELOPE_AUTOWRAP,
3968     &level.envelope[0].centered,
3969     NULL, " ",
3970     "Centered",                                 "Automatically center envelope text"
3971   },
3972   {
3973     ED_CHECKBUTTON_ID_MM_LASER_RED,
3974     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3975     GADGET_ID_MM_LASER_RED,                     GADGET_ID_NONE,
3976     &level.mm_laser_red,
3977     "Choose color components for laser:", NULL,
3978     "Red",                                      "Use red color components in laser"
3979   },
3980   {
3981     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3982     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
3983     GADGET_ID_MM_LASER_GREEN,                   GADGET_ID_NONE,
3984     &level.mm_laser_green,
3985     NULL, NULL,
3986     "Green",                                    "Use green color components in laser"
3987   },
3988   {
3989     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3990     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
3991     GADGET_ID_MM_LASER_BLUE,                    GADGET_ID_NONE,
3992     &level.mm_laser_blue,
3993     NULL, NULL,
3994     "Blue",                                     "Use blue color components in laser"
3995   },
3996   {
3997     ED_CHECKBUTTON_ID_DF_LASER_RED,
3998     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
3999     GADGET_ID_DF_LASER_RED,                     GADGET_ID_NONE,
4000     &level.df_laser_red,
4001     "Choose color components for laser:", NULL,
4002     "Red",                                      "Use red color components in laser"
4003   },
4004   {
4005     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
4006     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4007     GADGET_ID_DF_LASER_GREEN,                   GADGET_ID_NONE,
4008     &level.df_laser_green,
4009     NULL, NULL,
4010     "Green",                                    "Use green color components in laser"
4011   },
4012   {
4013     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
4014     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(3),
4015     GADGET_ID_DF_LASER_BLUE,                    GADGET_ID_NONE,
4016     &level.df_laser_blue,
4017     NULL, NULL,
4018     "Blue",                                     "Use blue color components in laser"
4019   },
4020   {
4021     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
4022     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(5),
4023     GADGET_ID_ROTATE_MM_BALL_CONTENT,           GADGET_ID_NONE,
4024     &level.rotate_mm_ball_content,
4025     NULL, NULL,
4026     "Randomly rotate created content",          "Randomly rotate newly created content"
4027   },
4028   {
4029     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
4030     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(6),
4031     GADGET_ID_EXPLODE_MM_BALL,                  GADGET_ID_NONE,
4032     &level.explode_mm_ball,
4033     NULL, NULL,
4034     "Explode ball instead of melting",          "Use explosion to release ball content"
4035   },
4036
4037   // ---------- element settings: configure 1 (custom elements) ---------------
4038
4039   {
4040     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
4041     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4042     GADGET_ID_CUSTOM_USE_GRAPHIC,               GADGET_ID_NONE,
4043     &custom_element.use_gfx_element,
4044     NULL, NULL,
4045     "Use graphic of element:",                  "Use existing element graphic"
4046   },
4047   {
4048     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
4049     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(14),
4050     GADGET_ID_CUSTOM_USE_TEMPLATE_1,            GADGET_ID_NONE,
4051     &level.use_custom_template,
4052     NULL, NULL,
4053     "Use template",                             "Use template for custom properties"
4054   },
4055   {
4056     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
4057     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(2),
4058     GADGET_ID_CUSTOM_ACCESSIBLE,                GADGET_ID_NONE,
4059     &custom_element_properties[EP_ACCESSIBLE],
4060     NULL, NULL,
4061     NULL,                                       "Player can walk to or pass this field"
4062   },
4063   {
4064     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
4065     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4066     GADGET_ID_CUSTOM_GRAV_REACHABLE,            GADGET_ID_NONE,
4067     &custom_element_properties[EP_GRAVITY_REACHABLE],
4068     NULL, NULL,
4069     "Reachable despite gravity",                "Player can walk/dig despite gravity"
4070   },
4071   {
4072     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
4073     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4074     GADGET_ID_CUSTOM_USE_LAST_VALUE,            GADGET_ID_NONE,
4075     &custom_element.use_last_ce_value,
4076     NULL, NULL,
4077     "Use last CE value after change",           "Use last CE value after change"
4078   },
4079   {
4080     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
4081     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(4),
4082     GADGET_ID_CUSTOM_WALK_TO_OBJECT,            GADGET_ID_NONE,
4083     &custom_element_properties[EP_WALK_TO_OBJECT],
4084     NULL, NULL,
4085     NULL,                                       "Player can dig/collect/push element"
4086   },
4087   {
4088     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
4089     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4090     GADGET_ID_CUSTOM_INDESTRUCTIBLE,            GADGET_ID_NONE,
4091     &custom_element_properties[EP_INDESTRUCTIBLE],
4092     NULL, NULL,
4093     "Indestructible",                           "Element is indestructible"
4094   },
4095
4096   // ---------- element settings: configure 2 (custom elements) ---------------
4097
4098   {
4099     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
4100     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4101     GADGET_ID_CUSTOM_CAN_MOVE,                  GADGET_ID_NONE,
4102     &custom_element_properties[EP_CAN_MOVE],
4103     NULL, NULL,
4104     NULL,                                       "Element can move with some pattern"
4105   },
4106   {
4107     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
4108     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(8),
4109     GADGET_ID_CUSTOM_CAN_FALL,                  GADGET_ID_NONE,
4110     &custom_element_properties[EP_CAN_FALL],
4111     NULL, NULL,
4112     "Can fall",                                 "Element can fall down"
4113   },
4114   {
4115     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
4116     -1,                                         ED_ELEMENT_SETTINGS_YPOS(8),
4117     GADGET_ID_CUSTOM_CAN_SMASH,                 GADGET_ID_CUSTOM_CAN_FALL,
4118     &custom_element_properties[EP_CAN_SMASH],
4119     NULL, " ",
4120     NULL,                                       "Element can smash other elements"
4121   },
4122   {
4123     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
4124     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(9),
4125     GADGET_ID_CUSTOM_SLIPPERY,                  GADGET_ID_NONE,
4126     &custom_element_properties[EP_SLIPPERY],
4127     NULL, NULL,
4128     NULL,                                       "Other elements can fall down from it"
4129   },
4130   {
4131     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
4132     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(10),
4133     GADGET_ID_CUSTOM_DEADLY,                    GADGET_ID_NONE,
4134     &custom_element_properties[EP_DEADLY],
4135     NULL, NULL,
4136     NULL,                                       "Element can kill the player"
4137   },
4138   {
4139     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
4140     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(11),
4141     GADGET_ID_CUSTOM_CAN_EXPLODE,               GADGET_ID_NONE,
4142     &custom_element_properties[EP_CAN_EXPLODE],
4143     NULL, NULL,
4144     NULL,                                       "Element can explode"
4145   },
4146   {
4147     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
4148     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(12),
4149     GADGET_ID_CUSTOM_EXPLODE_FIRE,              GADGET_ID_NONE,
4150     &custom_element_properties[EP_EXPLODES_BY_FIRE],
4151     NULL, NULL,
4152     "By fire",                                  "Element can explode by fire/explosion"
4153   },
4154   {
4155     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
4156     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4157     GADGET_ID_CUSTOM_EXPLODE_SMASH,             GADGET_ID_CUSTOM_EXPLODE_FIRE,
4158     &custom_element_properties[EP_EXPLODES_SMASHED],
4159     NULL, " ",
4160     "Smashed",                                  "Element can explode when smashed"
4161   },
4162   {
4163     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
4164     -1,                                         ED_ELEMENT_SETTINGS_YPOS(12),
4165     GADGET_ID_CUSTOM_EXPLODE_IMPACT,            GADGET_ID_CUSTOM_EXPLODE_SMASH,
4166     &custom_element_properties[EP_EXPLODES_IMPACT],
4167     NULL, " ",
4168     "Impact",                                   "Element can explode on impact"
4169   },
4170
4171   // ---------- element settings: advanced (custom elements) ------------------
4172
4173   {
4174     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
4175     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(1),
4176     GADGET_ID_CUSTOM_CAN_CHANGE,                GADGET_ID_NONE,
4177     &custom_element_change.can_change,
4178     NULL, NULL,
4179     "Element changes to:",                      "Change element on specified condition"
4180   },
4181   {
4182     ED_CHECKBUTTON_ID_CHANGE_DELAY,
4183     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(2),
4184     GADGET_ID_CHANGE_DELAY,                     GADGET_ID_NONE,
4185     &custom_element_change_events[CE_DELAY],
4186     NULL, NULL,
4187     NULL,                                       "Element changes after delay"
4188   },
4189   {
4190     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
4191     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(4),
4192     GADGET_ID_CHANGE_BY_DIRECT_ACT,             GADGET_ID_NONE,
4193     &custom_element_change_events[CE_BY_DIRECT_ACTION],
4194     NULL, NULL,
4195     NULL,                                       "Element changes by direct action"
4196   },
4197   {
4198     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
4199     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(5),
4200     GADGET_ID_CHANGE_BY_OTHER_ACT,              GADGET_ID_NONE,
4201     &custom_element_change_events[CE_BY_OTHER_ACTION],
4202     NULL, NULL,
4203     NULL,                                       "Element changes by other element"
4204   },
4205   {
4206     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
4207     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(8),
4208     GADGET_ID_CHANGE_USE_EXPLOSION,             GADGET_ID_NONE,
4209     &custom_element_change.explode,
4210     NULL, NULL,
4211     "Explode instead of change",                "Element explodes instead of change"
4212   },
4213   {
4214     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
4215     ED_ELEMENT_SETTINGS_XPOS(1),                ED_ELEMENT_SETTINGS_YPOS(9),
4216     GADGET_ID_CHANGE_USE_CONTENT,               GADGET_ID_NONE,
4217     &custom_element_change.use_target_content,
4218     NULL, NULL,
4219     "Use extended change target:",              "Element changes to more elements"
4220   },
4221   {
4222     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
4223     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(11),
4224     GADGET_ID_CHANGE_ONLY_COMPLETE,             GADGET_ID_NONE,
4225     &custom_element_change.only_if_complete,
4226     NULL, NULL,
4227     "Replace all or nothing",                   "Only replace when all can be changed"
4228   },
4229   {
4230     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
4231     ED_ELEMENT_SETTINGS_XPOS(2),                ED_ELEMENT_SETTINGS_YPOS(12),
4232     GADGET_ID_CHANGE_USE_RANDOM,                GADGET_ID_NONE,
4233     &custom_element_change.use_random_replace,
4234     NULL, NULL,
4235     NULL,                                       "Use percentage for random replace"
4236   },
4237   {
4238     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
4239     ED_ELEMENT_SETTINGS_XPOS(0),                ED_ELEMENT_SETTINGS_YPOS(13),
4240     GADGET_ID_CHANGE_HAS_ACTION,                GADGET_ID_NONE,
4241     &custom_element_change.has_action,
4242     NULL, NULL,
4243     NULL,                                       "Execute action on specified condition"
4244   },
4245 };
4246
4247 static struct
4248 {
4249   int gadget_type_id;
4250   int x, y;
4251   int xoffset, yoffset;
4252   int gadget_id;
4253   int gadget_id_align;
4254   int *value;
4255   int area_xsize, area_ysize;
4256   char *text_left, *text_right, *text_above, *text_below, *infotext;
4257 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
4258 {
4259   // ---------- level playfield content ---------------------------------------
4260
4261   {
4262     ED_DRAWING_ID_DRAWING_LEVEL,
4263     0,                                          0,
4264     0,                                          0,
4265     GADGET_ID_DRAWING_LEVEL,                    GADGET_ID_NONE,
4266     NULL,
4267     -1, -1,     // these values are not constant, but can change at runtime
4268     NULL, NULL, NULL, NULL,                     NULL
4269   },
4270
4271   // ---------- yam yam content -----------------------------------------------
4272
4273   {
4274     ED_DRAWING_ID_YAMYAM_CONTENT_0,
4275     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4276     ED_AREA_YAMYAM_CONTENT_XOFF(0),             ED_AREA_YAMYAM_CONTENT_YOFF(0),
4277     GADGET_ID_YAMYAM_CONTENT_0,                 GADGET_ID_NONE,
4278     &level.yamyam_content[0].e[0][0],           3, 3,
4279     NULL, NULL, NULL, "1",                      NULL
4280   },
4281   {
4282     ED_DRAWING_ID_YAMYAM_CONTENT_1,
4283     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4284     ED_AREA_YAMYAM_CONTENT_XOFF(1),             ED_AREA_YAMYAM_CONTENT_YOFF(1),
4285     GADGET_ID_YAMYAM_CONTENT_1,                 GADGET_ID_NONE,
4286     &level.yamyam_content[1].e[0][0],           3, 3,
4287     NULL, NULL, NULL, "2",                      NULL
4288   },
4289   {
4290     ED_DRAWING_ID_YAMYAM_CONTENT_2,
4291     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4292     ED_AREA_YAMYAM_CONTENT_XOFF(2),             ED_AREA_YAMYAM_CONTENT_YOFF(2),
4293     GADGET_ID_YAMYAM_CONTENT_2,                 GADGET_ID_NONE,
4294     &level.yamyam_content[2].e[0][0],           3, 3,
4295     NULL, NULL, NULL, "3",                      NULL
4296   },
4297   {
4298     ED_DRAWING_ID_YAMYAM_CONTENT_3,
4299     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4300     ED_AREA_YAMYAM_CONTENT_XOFF(3),             ED_AREA_YAMYAM_CONTENT_YOFF(3),
4301     GADGET_ID_YAMYAM_CONTENT_3,                 GADGET_ID_NONE,
4302     &level.yamyam_content[3].e[0][0],           3, 3,
4303     NULL, NULL, NULL, "4",                      NULL
4304   },
4305   {
4306     ED_DRAWING_ID_YAMYAM_CONTENT_4,
4307     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4308     ED_AREA_YAMYAM_CONTENT_XOFF(4),             ED_AREA_YAMYAM_CONTENT_YOFF(4),
4309     GADGET_ID_YAMYAM_CONTENT_4,                 GADGET_ID_NONE,
4310     &level.yamyam_content[4].e[0][0],           3, 3,
4311     NULL, NULL, NULL, "5",                      NULL
4312   },
4313   {
4314     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4315     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4316     ED_AREA_YAMYAM_CONTENT_XOFF(5),             ED_AREA_YAMYAM_CONTENT_YOFF(5),
4317     GADGET_ID_YAMYAM_CONTENT_5,                 GADGET_ID_NONE,
4318     &level.yamyam_content[5].e[0][0],           3, 3,
4319     NULL, NULL, NULL, "6",                      NULL
4320   },
4321   {
4322     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4323     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4324     ED_AREA_YAMYAM_CONTENT_XOFF(6),             ED_AREA_YAMYAM_CONTENT_YOFF(6),
4325     GADGET_ID_YAMYAM_CONTENT_6,                 GADGET_ID_NONE,
4326     &level.yamyam_content[6].e[0][0],           3, 3,
4327     NULL, NULL, NULL, "7",                      NULL
4328   },
4329   {
4330     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4331     ED_AREA_YAMYAM_CONTENT_XPOS,                ED_AREA_YAMYAM_CONTENT_YPOS,
4332     ED_AREA_YAMYAM_CONTENT_XOFF(7),             ED_AREA_YAMYAM_CONTENT_YOFF(7),
4333     GADGET_ID_YAMYAM_CONTENT_7,                 GADGET_ID_NONE,
4334     &level.yamyam_content[7].e[0][0],           3, 3,
4335     NULL, NULL, NULL, "8",                      NULL
4336   },
4337
4338   // ---------- magic ball content --------------------------------------------
4339
4340   {
4341     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4342     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4343     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4344     GADGET_ID_MAGIC_BALL_CONTENT_0,             GADGET_ID_NONE,
4345     &level.ball_content[0].e[0][0],             3, 3,
4346     NULL, NULL, NULL, "1",                      NULL
4347   },
4348   {
4349     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4350     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4351     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4352     GADGET_ID_MAGIC_BALL_CONTENT_1,             GADGET_ID_NONE,
4353     &level.ball_content[1].e[0][0],             3, 3,
4354     NULL, NULL, NULL, "2",                      NULL
4355   },
4356   {
4357     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4358     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4359     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4360     GADGET_ID_MAGIC_BALL_CONTENT_2,             GADGET_ID_NONE,
4361     &level.ball_content[2].e[0][0],             3, 3,
4362     NULL, NULL, NULL, "3",                      NULL
4363   },
4364   {
4365     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4366     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4367     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4368     GADGET_ID_MAGIC_BALL_CONTENT_3,             GADGET_ID_NONE,
4369     &level.ball_content[3].e[0][0],             3, 3,
4370     NULL, NULL, NULL, "4",                      NULL
4371   },
4372   {
4373     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4374     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4375     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4376     GADGET_ID_MAGIC_BALL_CONTENT_4,             GADGET_ID_NONE,
4377     &level.ball_content[4].e[0][0],             3, 3,
4378     NULL, NULL, NULL, "5",                      NULL
4379   },
4380   {
4381     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4382     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4383     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4384     GADGET_ID_MAGIC_BALL_CONTENT_5,             GADGET_ID_NONE,
4385     &level.ball_content[5].e[0][0],             3, 3,
4386     NULL, NULL, NULL, "6",                      NULL
4387   },
4388   {
4389     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4390     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4391     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4392     GADGET_ID_MAGIC_BALL_CONTENT_6,             GADGET_ID_NONE,
4393     &level.ball_content[6].e[0][0],             3, 3,
4394     NULL, NULL, NULL, "7",                      NULL
4395   },
4396   {
4397     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4398     ED_AREA_MAGIC_BALL_CONTENT_XPOS,            ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4399     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7),         ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4400     GADGET_ID_MAGIC_BALL_CONTENT_7,             GADGET_ID_NONE,
4401     &level.ball_content[7].e[0][0],             3, 3,
4402     NULL, NULL, NULL, "8",                      NULL
4403   },
4404
4405   // ---------- android content -----------------------------------------------
4406
4407   {
4408     ED_DRAWING_ID_ANDROID_CONTENT,
4409     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4410     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4411     GADGET_ID_ANDROID_CONTENT,                  GADGET_ID_NONE,
4412     &level.android_clone_element[0],            MAX_ANDROID_ELEMENTS, 1,
4413     NULL, NULL, "Elements:", NULL,              "Elements android can clone"
4414   },
4415
4416   // ---------- amoeba content ------------------------------------------------
4417
4418   {
4419     ED_DRAWING_ID_AMOEBA_CONTENT,
4420     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4421     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4422     GADGET_ID_AMOEBA_CONTENT,                   GADGET_ID_NONE,
4423     &level.amoeba_content,                      1, 1,
4424     "Content:", NULL, NULL, NULL,               "Amoeba content"
4425   },
4426
4427   // ---------- BD snap element -----------------------------------------------
4428
4429   {
4430     ED_DRAWING_ID_BD_SNAP_ELEMENT,
4431     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4432     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4433     GADGET_ID_BD_SNAP_ELEMENT,                  GADGET_ID_NONE,
4434     &level.bd_snap_element,                     1, 1,
4435     "Snap element:", NULL, NULL, NULL,          "Element created when snapping"
4436   },
4437
4438   // ---------- BD magic wall elements ----------------------------------------
4439
4440   {
4441     ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO,
4442     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(4),
4443     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4444     GADGET_ID_BD_MAGIC_WALL_DIAMOND_TO,         GADGET_ID_NONE,
4445     &level.bd_magic_wall_diamond_to,            1, 1,
4446     "Changes diamonds to:", NULL, NULL, NULL,   "Element to turn diamonds to"
4447   },
4448   {
4449     ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO,
4450     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4451     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4452     GADGET_ID_BD_MAGIC_WALL_ROCK_TO,            GADGET_ID_NONE,
4453     &level.bd_magic_wall_rock_to,               1, 1,
4454     "Changes rocks to:", NULL, NULL, NULL,      "Element to turn rocks to"
4455   },
4456   {
4457     ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,
4458     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4459     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4460     GADGET_ID_BD_MAGIC_WALL_MEGA_ROCK_TO,       GADGET_ID_NONE,
4461     &level.bd_magic_wall_mega_rock_to,          1, 1,
4462     "Changes mega rocks to:", NULL, NULL, NULL, "Element to turn mega rocks to"
4463   },
4464   {
4465     ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO,
4466     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4467     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4468     GADGET_ID_BD_MAGIC_WALL_NUT_TO,             GADGET_ID_NONE,
4469     &level.bd_magic_wall_nut_to,                1, 1,
4470     "Changes nuts to:", NULL, NULL, NULL,       "Element to turn nuts to"
4471   },
4472   {
4473     ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO,
4474     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4475     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4476     GADGET_ID_BD_MAGIC_WALL_NITRO_PACK_TO,      GADGET_ID_NONE,
4477     &level.bd_magic_wall_nitro_pack_to,         1, 1,
4478     "Changes nitro packs to:", NULL, NULL, NULL, "Element to turn nitro packs to"
4479   },
4480   {
4481     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,
4482     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(9),
4483     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4484     GADGET_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO,  GADGET_ID_NONE,
4485     &level.bd_magic_wall_flying_diamond_to,     1, 1,
4486     "Changes flying diamonds to:", NULL, NULL, NULL, "Element to turn flying diamonds to"
4487   },
4488   {
4489     ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,
4490     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4491     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4492     GADGET_ID_BD_MAGIC_WALL_FLYING_ROCK_TO,     GADGET_ID_NONE,
4493     &level.bd_magic_wall_flying_rock_to,        1, 1,
4494     "Changes flying rocks to:", NULL, NULL, NULL, "Element to turn flying rocks to"
4495   },
4496
4497   // ---------- BD amoeba content ---------------------------------------------
4498
4499   {
4500     ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG,
4501     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4502     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4503     GADGET_ID_BD_AMOEBA_CONTENT_TOO_BIG,        GADGET_ID_NONE,
4504     &level.bd_amoeba_content_too_big,           1, 1,
4505     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba content if too big"
4506   },
4507   {
4508     ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED,
4509     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4510     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4511     GADGET_ID_BD_AMOEBA_CONTENT_ENCLOSED,       GADGET_ID_NONE,
4512     &level.bd_amoeba_content_enclosed,          1, 1,
4513     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba content if enclosed"
4514   },
4515
4516   // ---------- BD amoeba 2 content -------------------------------------------
4517
4518   {
4519     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,
4520     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4521     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4522     GADGET_ID_BD_AMOEBA_2_CONTENT_TOO_BIG,      GADGET_ID_NONE,
4523     &level.bd_amoeba_2_content_too_big,         1, 1,
4524     "If too big, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if too big"
4525   },
4526   {
4527     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,
4528     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(8),
4529     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4530     GADGET_ID_BD_AMOEBA_2_CONTENT_ENCLOSED,     GADGET_ID_NONE,
4531     &level.bd_amoeba_2_content_enclosed,        1, 1,
4532     "If enclosed, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if enclosed"
4533   },
4534   {
4535     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING,
4536     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(10),
4537     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4538     GADGET_ID_BD_AMOEBA_2_CONTENT_EXPLODING,    GADGET_ID_NONE,
4539     &level.bd_amoeba_2_content_exploding,       1, 1,
4540     "If exploding, changes to:", NULL, NULL, NULL, "BD amoeba 2 content if exploding"
4541   },
4542   {
4543     ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,
4544     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(11),
4545     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4546     GADGET_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE,   GADGET_ID_NONE,
4547     &level.bd_amoeba_2_content_looks_like,      1, 1,
4548     "Use graphic of element:", NULL, NULL, NULL, "BD amoeba 2 looks like this element"
4549   },
4550   {
4551     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1,
4552     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4553     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4554     GADGET_ID_BD_SLIME_EATS_ELEMENT_1,          GADGET_ID_NONE,
4555     &level.bd_slime_eats_element_1,             1, 1,
4556     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4557   },
4558   {
4559     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,
4560     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(5),
4561     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4562     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1,   GADGET_ID_BD_SLIME_EATS_ELEMENT_1,
4563     &level.bd_slime_converts_to_element_1,      1, 1,
4564     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4565   },
4566   {
4567     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2,
4568     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4569     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4570     GADGET_ID_BD_SLIME_EATS_ELEMENT_2,          GADGET_ID_NONE,
4571     &level.bd_slime_eats_element_2,             1, 1,
4572     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4573   },
4574   {
4575     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,
4576     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(6),
4577     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4578     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2,   GADGET_ID_BD_SLIME_EATS_ELEMENT_2,
4579     &level.bd_slime_converts_to_element_2,      1, 1,
4580     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4581   },
4582   {
4583     ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3,
4584     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4585     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4586     GADGET_ID_BD_SLIME_EATS_ELEMENT_3,          GADGET_ID_NONE,
4587     &level.bd_slime_eats_element_3,             1, 1,
4588     "Can eat:", NULL, NULL, NULL,               "Element that can be eaten"
4589   },
4590   {
4591     ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,
4592     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(7),
4593     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4594     GADGET_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3,   GADGET_ID_BD_SLIME_EATS_ELEMENT_3,
4595     &level.bd_slime_converts_to_element_3,      1, 1,
4596     " and convert to:", NULL, NULL, NULL,       "Eaten element is converted to"
4597   },
4598   {
4599     ED_DRAWING_ID_BD_ACID_EATS_ELEMENT,
4600     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4601     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4602     GADGET_ID_BD_ACID_EATS_ELEMENT,             GADGET_ID_NONE,
4603     &level.bd_acid_eats_element,                1, 1,
4604     "Can eat:", NULL, NULL, NULL,               "Eats this element when spreading"
4605   },
4606   {
4607     ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT,
4608     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(3),
4609     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4610     GADGET_ID_BD_ACID_TURNS_TO_ELEMENT,         GADGET_ID_NONE,
4611     &level.bd_acid_turns_to_element,            1, 1,
4612     "Can leave behind:", NULL, NULL, NULL,      "Turns to this element after spreading"
4613   },
4614   {
4615     ED_DRAWING_ID_BD_BITER_EATS_ELEMENT,
4616     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4617     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4618     GADGET_ID_BD_BITER_EATS_ELEMENT,            GADGET_ID_NONE,
4619     &level.bd_biter_eats_element,               1, 1,
4620     "Can eat:", NULL, NULL, NULL,               "Eats this element when moving"
4621   },
4622   {
4623     ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,
4624     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4625     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4626     GADGET_ID_BD_BLADDER_CONVERTS_BY_ELEMENT,   GADGET_ID_NONE,
4627     &level.bd_bladder_converts_by_element,      1, 1,
4628     "Turns to clock by touching:", NULL, NULL, NULL, "Turns to clock by touching element"
4629   },
4630   {
4631     ED_DRAWING_ID_BD_NUT_CONTENT,
4632     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4633     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4634     GADGET_ID_BD_NUT_CONTENT,                   GADGET_ID_NONE,
4635     &level.bd_nut_content,                      1, 1,
4636     "When breaking, changes to:", NULL, NULL, NULL, "Element created when breaking nut"
4637   },
4638   {
4639     ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE,
4640     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(1),
4641     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4642     GADGET_ID_BD_EXPANDING_WALL_LOOKS_LIKE,     GADGET_ID_NONE,
4643     &level.bd_expanding_wall_looks_like,        1, 1,
4644     "Use graphic of element:", NULL, NULL, NULL, "Expanding wall looks like this element"
4645   },
4646   {
4647     ED_DRAWING_ID_BD_SAND_LOOKS_LIKE,
4648     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(0),
4649     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4650     GADGET_ID_BD_SAND_LOOKS_LIKE,               GADGET_ID_NONE,
4651     &level.bd_sand_looks_like,                  1, 1,
4652     "Use graphic of element:", NULL, NULL, NULL, "Sand looks like this element"
4653   },
4654
4655   // ---------- level start element -------------------------------------------
4656
4657   {
4658     ED_DRAWING_ID_START_ELEMENT,
4659     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(10),
4660     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4661     GADGET_ID_START_ELEMENT,                    GADGET_ID_USE_START_ELEMENT,
4662     &level.start_element[0],                    1, 1,
4663     NULL, NULL, NULL, NULL,                     "Level start element"
4664   },
4665
4666   // ---------- player artwork element ----------------------------------------
4667
4668   {
4669     ED_DRAWING_ID_ARTWORK_ELEMENT,
4670     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(11),
4671     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4672     GADGET_ID_ARTWORK_ELEMENT,                  GADGET_ID_USE_ARTWORK_ELEMENT,
4673     &level.artwork_element[0],                  1, 1,
4674     NULL, NULL, NULL, NULL,                     "Element for player artwork"
4675   },
4676
4677   // ---------- player explosion element --------------------------------------
4678
4679   {
4680     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4681     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(12),
4682     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4683     GADGET_ID_EXPLOSION_ELEMENT,                GADGET_ID_USE_EXPLOSION_ELEMENT,
4684     &level.explosion_element[0],                1, 1,
4685     NULL, NULL, NULL, NULL,                     "Element for player explosion"
4686   },
4687
4688   // ---------- player initial inventory --------------------------------------
4689
4690   {
4691     ED_DRAWING_ID_INVENTORY_CONTENT,
4692     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4693     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4694     GADGET_ID_INVENTORY_CONTENT,                GADGET_ID_USE_INITIAL_INVENTORY,
4695     &level.initial_inventory_content[0][0],     MAX_INITIAL_INVENTORY_SIZE, 1,
4696     NULL, NULL, NULL, NULL,                     "Content for initial inventory"
4697   },
4698
4699   // ---------- gray ball content -----------------------------------------
4700
4701   {
4702     ED_DRAWING_ID_MM_BALL_CONTENT,
4703     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4704     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4705     GADGET_ID_MM_BALL_CONTENT,                  GADGET_ID_NONE,
4706     &level.mm_ball_content[0],                  MAX_MM_BALL_CONTENTS, 1,
4707     "Content:", NULL, NULL, NULL,               "Content for gray ball"
4708   },
4709
4710   // ---------- element settings: configure 1 (custom elements) ---------------
4711
4712   // ---------- custom graphic ------------------------------------------------
4713
4714   {
4715     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4716     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4717     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4718     GADGET_ID_CUSTOM_GRAPHIC,                   GADGET_ID_CUSTOM_USE_GRAPHIC,
4719     &custom_element.gfx_element_initial,        1, 1,
4720     NULL, NULL, NULL, NULL,                     "Custom graphic element"
4721   },
4722
4723   // ---------- element settings: configure 2 (custom elements) ---------------
4724
4725   // ---------- custom content (when exploding) -------------------------------
4726
4727   {
4728     ED_DRAWING_ID_CUSTOM_CONTENT,
4729     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(11),
4730     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4731     GADGET_ID_CUSTOM_CONTENT,                   GADGET_ID_NONE,         // align three rows
4732     &custom_element.content.e[0][0],            3, 3,
4733     "Content:", NULL, NULL, NULL,               NULL
4734   },
4735
4736   // ---------- custom enter and leave element (when moving) ------------------
4737
4738   {
4739     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4740     ED_AREA_1X1_SETTINGS_XPOS(1),               ED_AREA_1X1_SETTINGS_YPOS(3),
4741     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4742     GADGET_ID_CUSTOM_MOVE_ENTER,                GADGET_ID_NONE,
4743     &custom_element.move_enter_element,         1, 1,
4744     "Can dig:", " ", NULL, NULL,                "Element that can be digged/collected"
4745   },
4746   {
4747     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4748     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(3),
4749     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4750     GADGET_ID_CUSTOM_MOVE_LEAVE,                GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4751     &custom_element.move_leave_element,         1, 1,
4752     NULL, NULL, NULL, NULL,                     "Element that will be left behind"
4753   },
4754
4755   // ---------- element settings: advanced (custom elements) ------------------
4756
4757   // ---------- custom change target ------------------------------------------
4758
4759   {
4760     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4761     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(1),
4762     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4763     GADGET_ID_CUSTOM_CHANGE_TARGET,             GADGET_ID_CUSTOM_CAN_CHANGE,
4764     &custom_element_change.target_element,      1, 1,
4765     NULL, "after/when:", NULL, NULL,            "New target element after change"
4766   },
4767
4768   // ---------- custom change content (extended change target) ----------------
4769
4770   {
4771     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4772     -1,                                         ED_AREA_3X3_SETTINGS_YPOS(9),
4773     0,                                          ED_AREA_3X3_SETTINGS_YOFF,
4774     GADGET_ID_CUSTOM_CHANGE_CONTENT,            GADGET_ID_NONE,         // align three rows
4775     &custom_element_change.target_content.e[0][0], 3, 3,
4776     NULL, NULL, NULL, NULL,                     "New extended elements after change"
4777   },
4778
4779   // ---------- custom change trigger (element causing change) ----------------
4780
4781   {
4782     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4783     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(5),
4784     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4785     GADGET_ID_CUSTOM_CHANGE_TRIGGER,            GADGET_ID_CHANGE_OTHER_ACTION,
4786     &custom_element_change.initial_trigger_element, 1, 1,
4787     NULL, NULL, NULL, NULL,                     "Other element triggering change"
4788   },
4789
4790   // ---------- custom change action (element used for action) ----------------
4791
4792   {
4793     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4794     -1,                                         ED_AREA_1X1_SETTINGS_YPOS(13),
4795     0,                                          ED_AREA_1X1_SETTINGS_YOFF,
4796     GADGET_ID_CUSTOM_CHANGE_ACTION,             GADGET_ID_ACTION_ARG,
4797     &custom_element_change.action_element,      1, 1,
4798     NULL, NULL, NULL, NULL,                     "Element used as action parameter"
4799   },
4800
4801   // ---------- group element content -----------------------------------------
4802
4803   {
4804     ED_DRAWING_ID_GROUP_CONTENT,
4805     ED_AREA_1X1_SETTINGS_XPOS(0),               ED_AREA_1X1_SETTINGS_YPOS(2),
4806     ED_AREA_1X1_SETTINGS_XOFF,                  ED_AREA_1X1_SETTINGS_YOFF,
4807     GADGET_ID_GROUP_CONTENT,                    GADGET_ID_NONE,
4808     &group_element_info.element[0],             MAX_ELEMENTS_IN_GROUP, 1,
4809     "Content:", NULL, NULL, NULL,               NULL
4810   },
4811
4812   // ---------- random background (for random painting) -----------------------
4813
4814   {
4815     ED_DRAWING_ID_RANDOM_BACKGROUND,
4816     -1,                                         ED_AREA_1X1_LSETTINGS_YPOS(1),
4817     0,                                          ED_AREA_1X1_LSETTINGS_YOFF,
4818     GADGET_ID_RANDOM_BACKGROUND,                GADGET_ID_RANDOM_RESTRICTED,
4819     &random_placement_background_element,       1, 1,
4820     NULL, NULL, NULL, NULL,                     "Random placement background"
4821   },
4822 };
4823
4824
4825 // ----------------------------------------------------------------------------
4826 // some internally used variables
4827 // ----------------------------------------------------------------------------
4828
4829 // maximal size of level editor drawing area
4830 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4831
4832 // actual size of level editor drawing area
4833 static int ed_fieldx, ed_fieldy;
4834
4835 // actual position of level editor drawing area in level playfield
4836 static int level_xpos = -1, level_ypos = -1;
4837
4838 // actual tile size used to display playfield drawing area
4839 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4840 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4841
4842 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4843
4844 // drawing elements on the three mouse buttons
4845 static int new_element1 = EL_WALL;
4846 static int new_element2 = EL_EMPTY;
4847 static int new_element3 = EL_SAND;
4848
4849 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4850 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4851                                 (button) == 2 ? new_element2 : \
4852                                 (button) == 3 ? new_element3 : EL_EMPTY)
4853
4854 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4855
4856 static int use_permanent_palette = TRUE;
4857
4858 #define PX              (use_permanent_palette ? DX : SX)
4859 #define PY              (use_permanent_palette ? DY : SY)
4860 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4861 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4862
4863 // forward declaration for internal use
4864 static void CopyBrushToCursor(int, int);
4865 static void DeleteBrushFromCursor(void);
4866 static void ModifyEditorCounterValue(int, int);
4867 static void ModifyEditorCounterLimits(int, int, int);
4868 static void ModifyEditorSelectboxValue(int, int);
4869 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4870 static void ModifyEditorDrawingArea(int, int, int);
4871 static void ModifyEditorElementList(void);
4872 static void AdjustElementListScrollbar(void);
4873 static void RedrawDrawingElements(void);
4874 static void DrawDrawingWindowExt(boolean);
4875 static void DrawDrawingWindow(void);
4876 static void DrawLevelConfigWindow(void);
4877 static void DrawPropertiesWindow(void);
4878 static void DrawPaletteWindow(void);
4879 static void UpdateCustomElementGraphicGadgets(void);
4880 static boolean checkPropertiesConfig(int);
4881 static void SetAutomaticNumberOfGemsNeeded(void);
4882 static void ClearEditorGadgetInfoText(void);
4883 static void CopyLevelToUndoBuffer(int);
4884 static void HandleDrawingAreas(struct GadgetInfo *);
4885 static void HandleCounterButtons(struct GadgetInfo *);
4886 static void HandleTextInputGadgets(struct GadgetInfo *);
4887 static void HandleTextAreaGadgets(struct GadgetInfo *);
4888 static void HandleSelectboxGadgets(struct GadgetInfo *);
4889 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4890 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4891 static void HandleRadiobuttons(struct GadgetInfo *);
4892 static void HandleCheckbuttons(struct GadgetInfo *);
4893 static void HandleControlButtons(struct GadgetInfo *);
4894 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4895 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4896 static boolean AskToCopyAndModifyLevelTemplate(void);
4897 static boolean getDrawModeHiRes(void);
4898 static int getTabulatorBarWidth(void);
4899 static int getTabulatorBarHeight(void);
4900 static Pixel getTabulatorBarColor(void);
4901 static void getEditorGraphicAndFrame(int, int *, int *, boolean);
4902 static int numHiresTiles(int);
4903
4904 static int num_editor_gadgets = 0;      // dynamically determined
4905
4906 static struct GadgetInfo **level_editor_gadget = NULL;
4907 static int *right_gadget_border = NULL;
4908
4909 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4910 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4911 static boolean draw_with_brush = FALSE;
4912 static int properties_element = 0;
4913
4914 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4915 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4916 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4917 static int undo_buffer_position = 0;
4918 static int undo_buffer_steps = 0;
4919 static int redo_buffer_steps = 0;
4920
4921 static int edit_mode;
4922 static int edit_mode_levelconfig;
4923 static int edit_mode_properties;
4924
4925 static int element_shift = 0;
4926
4927 static int editor_el_players[] =
4928 {
4929   EL_PLAYER_1,
4930   EL_PLAYER_2,
4931   EL_PLAYER_3,
4932   EL_PLAYER_4
4933 };
4934 static int *editor_el_players_ptr = editor_el_players;
4935 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4936
4937 static int editor_hl_boulderdash[] =
4938 {
4939   EL_INTERNAL_CASCADE_BD_ACTIVE,
4940   EL_CHAR('B'),
4941   EL_CHAR('D'),
4942   EL_EMPTY,
4943 };
4944
4945 static int editor_el_boulderdash[] =
4946 {
4947   EL_EMPTY,
4948   EL_SAND,
4949   EL_BD_ROCK,
4950   EL_BD_DIAMOND,
4951
4952   EL_STEELWALL,
4953   EL_BD_WALL,
4954   EL_BD_EXPANDABLE_WALL,
4955   EL_BD_MAGIC_WALL,
4956
4957   EL_BD_AMOEBA,
4958   EL_BD_BUTTERFLY_UP,
4959   EL_BD_FIREFLY_UP,
4960   EL_EXIT_CLOSED,
4961
4962   EL_BD_BUTTERFLY_LEFT,
4963   EL_BD_FIREFLY_LEFT,
4964   EL_BD_BUTTERFLY_RIGHT,
4965   EL_BD_FIREFLY_RIGHT,
4966
4967   EL_EMPTY,
4968   EL_BD_BUTTERFLY_DOWN,
4969   EL_BD_FIREFLY_DOWN,
4970   EL_EXIT_OPEN,
4971 };
4972 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4973 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4974 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4975 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4976
4977 static int editor_hl_boulderdash_native[] =
4978 {
4979   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4980   EL_CHAR('B'),
4981   EL_CHAR('D'),
4982   EL_EMPTY,
4983 };
4984
4985 static int editor_el_boulderdash_native[] =
4986 {
4987   EL_EMPTY,
4988   EL_BD_SAND,
4989   EL_BD_ROCK,
4990   EL_BD_DIAMOND,
4991
4992   EL_BD_STEELWALL,
4993   EL_BD_WALL,
4994   EL_BD_SAND_2,
4995   EL_BD_MAGIC_WALL,
4996
4997   EL_BD_AMOEBA,
4998   EL_BD_BUTTERFLY_UP,
4999   EL_BD_FIREFLY_UP,
5000   EL_BD_EXIT_CLOSED,
5001
5002   EL_BD_BUTTERFLY_LEFT,
5003   EL_BD_FIREFLY_LEFT,
5004   EL_BD_BUTTERFLY_RIGHT,
5005   EL_BD_FIREFLY_RIGHT,
5006
5007   EL_BD_INBOX,
5008   EL_BD_BUTTERFLY_DOWN,
5009   EL_BD_FIREFLY_DOWN,
5010   EL_BD_EXIT_OPEN,
5011
5012   EL_BD_AMOEBA_2,
5013   EL_BD_BUTTERFLY_2_UP,
5014   EL_BD_FIREFLY_2_UP,
5015   EL_BD_SLIME,
5016
5017   EL_BD_BUTTERFLY_2_LEFT,
5018   EL_BD_FIREFLY_2_LEFT,
5019   EL_BD_BUTTERFLY_2_RIGHT,
5020   EL_BD_FIREFLY_2_RIGHT,
5021
5022   EL_BD_BOMB,
5023   EL_BD_BUTTERFLY_2_DOWN,
5024   EL_BD_FIREFLY_2_DOWN,
5025   EL_BD_FLYING_DIAMOND,
5026
5027   EL_BD_NITRO_PACK,
5028   EL_BD_DRAGONFLY_UP,
5029   EL_BD_STONEFLY_UP,
5030   EL_BD_DIAMOND_GLUED,
5031
5032   EL_BD_DRAGONFLY_LEFT,
5033   EL_BD_STONEFLY_LEFT,
5034   EL_BD_DRAGONFLY_RIGHT,
5035   EL_BD_STONEFLY_RIGHT,
5036
5037   EL_BD_NUT,
5038   EL_BD_DRAGONFLY_DOWN,
5039   EL_BD_STONEFLY_DOWN,
5040   EL_EMPTY,
5041
5042   EL_BD_BITER_SWITCH_1,
5043   EL_BD_BITER_UP,
5044   EL_BD_COW_UP,
5045   EL_EMPTY,
5046
5047   EL_BD_BITER_LEFT,
5048   EL_BD_COW_LEFT,
5049   EL_BD_BITER_RIGHT,
5050   EL_BD_COW_RIGHT,
5051
5052   EL_BD_VOODOO_DOLL,
5053   EL_BD_BITER_DOWN,
5054   EL_BD_COW_DOWN,
5055   EL_BD_GHOST,
5056
5057   EL_BD_SAND_GLUED,
5058   EL_BD_SAND_BALL,
5059   EL_BD_SAND_LOOSE,
5060   EL_BD_WALL_NON_SLOPED,
5061
5062   EL_BD_SAND_SLOPED_UP_LEFT,
5063   EL_BD_SAND_SLOPED_UP_RIGHT,
5064   EL_BD_WALL_SLOPED_UP_LEFT,
5065   EL_BD_WALL_SLOPED_UP_RIGHT,
5066
5067   EL_BD_SAND_SLOPED_DOWN_LEFT,
5068   EL_BD_SAND_SLOPED_DOWN_RIGHT,
5069   EL_BD_WALL_SLOPED_DOWN_LEFT,
5070   EL_BD_WALL_SLOPED_DOWN_RIGHT,
5071
5072   EL_BD_FLYING_ROCK,
5073   EL_BD_ROCK_GLUED,
5074   EL_BD_STEELWALL_SLOPED_UP_LEFT,
5075   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
5076
5077   EL_BD_WAITING_ROCK,
5078   EL_BD_CHASING_ROCK,
5079   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
5080   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
5081
5082   EL_BD_MEGA_ROCK,
5083   EL_BD_SWEET,
5084   EL_BD_INVISIBLE_EXIT_CLOSED,
5085   EL_BD_INVISIBLE_EXIT_OPEN,
5086
5087   EL_BD_STEELWALL_EXPLODABLE,
5088   EL_BD_STEELWALL_DIGGABLE,
5089   EL_BD_WALL_DIGGABLE,
5090   EL_BD_FALLING_WALL,
5091
5092   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
5093   EL_BD_EXPANDABLE_WALL_VERTICAL,
5094   EL_BD_EXPANDABLE_WALL_ANY,
5095   EL_BD_EXPANDABLE_WALL_SWITCH,
5096
5097   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
5098   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
5099   EL_BD_EXPANDABLE_STEELWALL_ANY,
5100   EL_BD_CREATURE_SWITCH,
5101
5102   EL_BD_BLADDER,
5103   EL_BD_BLADDER_SPENDER,
5104   EL_BD_REPLICATOR,
5105   EL_BD_REPLICATOR_SWITCH,
5106
5107   EL_BD_CONVEYOR_LEFT,
5108   EL_BD_CONVEYOR_RIGHT,
5109   EL_BD_CONVEYOR_SWITCH,
5110   EL_BD_CONVEYOR_DIR_SWITCH,
5111
5112   EL_BD_CLOCK,
5113   EL_BD_TIME_PENALTY,
5114   EL_BD_GRAVESTONE,
5115   EL_BD_SKELETON,
5116
5117   EL_BD_WATER,
5118   EL_BD_ACID,
5119   EL_BD_LAVA,
5120   EL_BD_BOX,
5121
5122   EL_BD_GATE_1,
5123   EL_BD_GATE_2,
5124   EL_BD_GATE_3,
5125   EL_BD_TRAPPED_DIAMOND,
5126
5127   EL_BD_KEY_1,
5128   EL_BD_KEY_2,
5129   EL_BD_KEY_3,
5130   EL_BD_DIAMOND_KEY,
5131
5132   EL_BD_WALL_KEY_1,
5133   EL_BD_WALL_KEY_2,
5134   EL_BD_WALL_KEY_3,
5135   EL_BD_WALL_DIAMOND,
5136
5137   EL_BD_POT,
5138   EL_BD_GRAVITY_SWITCH,
5139   EL_BD_PNEUMATIC_HAMMER,
5140   EL_BD_TELEPORTER,
5141
5142   EL_BD_PLAYER,
5143   EL_BD_PLAYER_WITH_BOMB,
5144   EL_BD_PLAYER_GLUED,
5145   EL_BD_PLAYER_STIRRING,
5146 };
5147 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
5148 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
5149 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
5150 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
5151
5152 static int editor_hl_boulderdash_effects[] =
5153 {
5154   EL_INTERNAL_CASCADE_BD_EFFECTS_ACTIVE,
5155   EL_CHAR('B'),
5156   EL_CHAR('D'),
5157   EL_CHAR('E'),
5158 };
5159
5160 static int editor_el_boulderdash_effects[] =
5161 {
5162   EL_BD_DIAMOND_FALLING,
5163   EL_BD_ROCK_FALLING,
5164   EL_BD_MEGA_ROCK_FALLING,
5165   EL_BD_FLYING_DIAMOND_FLYING,
5166
5167   EL_BD_FALLING_WALL_FALLING,
5168   EL_BD_NITRO_PACK_FALLING,
5169   EL_BD_NUT_FALLING,
5170   EL_BD_FLYING_ROCK_FLYING,
5171
5172   EL_BD_PLAYER_GROWING_1,
5173   EL_BD_PLAYER_GROWING_2,
5174   EL_BD_PLAYER_GROWING_3,
5175   EL_BD_PLAYER,
5176
5177   EL_BD_PLAYER_WITH_BOMB,
5178   EL_BD_PLAYER_STIRRING,
5179   EL_BD_EXIT_OPEN,
5180   EL_BD_INVISIBLE_EXIT_OPEN,
5181
5182   EL_BD_BLADDER_1,
5183   EL_BD_BLADDER_2,
5184   EL_BD_BLADDER_3,
5185   EL_BD_BLADDER_4,
5186
5187   EL_BD_BLADDER_5,
5188   EL_BD_BLADDER_6,
5189   EL_BD_BLADDER_7,
5190   EL_BD_BLADDER_8,
5191
5192   EL_BD_SAND_2,
5193   EL_BD_COW_ENCLOSED_1,
5194   EL_BD_COW_ENCLOSED_2,
5195   EL_BD_COW_ENCLOSED_3,
5196
5197   EL_BD_COW_ENCLOSED_4,
5198   EL_BD_COW_ENCLOSED_5,
5199   EL_BD_COW_ENCLOSED_6,
5200   EL_BD_COW_ENCLOSED_7,
5201
5202   EL_BD_WATER_1,
5203   EL_BD_WATER_2,
5204   EL_BD_WATER_3,
5205   EL_BD_WATER_4,
5206
5207   EL_BD_WATER_5,
5208   EL_BD_WATER_6,
5209   EL_BD_WATER_7,
5210   EL_BD_WATER_8,
5211
5212   EL_BD_WATER_9,
5213   EL_BD_WATER_10,
5214   EL_BD_WATER_11,
5215   EL_BD_WATER_12,
5216
5217   EL_BD_WATER_13,
5218   EL_BD_WATER_14,
5219   EL_BD_WATER_15,
5220   EL_BD_WATER_16,
5221
5222   EL_BD_BOMB_TICKING_1,
5223   EL_BD_BOMB_TICKING_2,
5224   EL_BD_BOMB_TICKING_3,
5225   EL_BD_BOMB_TICKING_4,
5226
5227   EL_BD_BOMB_TICKING_5,
5228   EL_BD_BOMB_TICKING_6,
5229   EL_BD_BOMB_TICKING_7,
5230   EL_EMPTY,
5231
5232   EL_BD_BOMB_EXPLODING_1,
5233   EL_BD_BOMB_EXPLODING_2,
5234   EL_BD_BOMB_EXPLODING_3,
5235   EL_BD_BOMB_EXPLODING_4,
5236
5237   EL_BD_NUT_BREAKING_1,
5238   EL_BD_NUT_BREAKING_2,
5239   EL_BD_NUT_BREAKING_3,
5240   EL_BD_NUT_BREAKING_4,
5241
5242   EL_BD_EXPLODING_1,
5243   EL_BD_EXPLODING_2,
5244   EL_BD_EXPLODING_3,
5245   EL_BD_EXPLODING_4,
5246
5247   EL_BD_EXPLODING_5,
5248   EL_BD_TIME_PENALTY,
5249   EL_BD_DIAMOND_GROWING_1,
5250   EL_BD_DIAMOND_GROWING_2,
5251
5252   EL_BD_DIAMOND_GROWING_3,
5253   EL_BD_DIAMOND_GROWING_4,
5254   EL_BD_DIAMOND_GROWING_5,
5255   EL_BD_NITRO_PACK_EXPLODING,
5256
5257   EL_BD_NITRO_PACK_EXPLODING_1,
5258   EL_BD_NITRO_PACK_EXPLODING_2,
5259   EL_BD_NITRO_PACK_EXPLODING_3,
5260   EL_BD_NITRO_PACK_EXPLODING_4,
5261
5262   EL_BD_ROCK_GROWING_1,
5263   EL_BD_ROCK_GROWING_2,
5264   EL_BD_ROCK_GROWING_3,
5265   EL_BD_ROCK_GROWING_4,
5266
5267   EL_BD_STEELWALL_GROWING_1,
5268   EL_BD_STEELWALL_GROWING_2,
5269   EL_BD_STEELWALL_GROWING_3,
5270   EL_BD_STEELWALL_GROWING_4,
5271
5272   EL_BD_CLOCK_GROWING_1,
5273   EL_BD_CLOCK_GROWING_2,
5274   EL_BD_CLOCK_GROWING_3,
5275   EL_BD_CLOCK_GROWING_4,
5276
5277   EL_BD_GHOST_EXPLODING_1,
5278   EL_BD_GHOST_EXPLODING_2,
5279   EL_BD_GHOST_EXPLODING_3,
5280   EL_BD_GHOST_EXPLODING_4,
5281 };
5282 static int *editor_hl_boulderdash_effects_ptr = editor_hl_boulderdash_effects;
5283 static int *editor_el_boulderdash_effects_ptr = editor_el_boulderdash_effects;
5284 static int num_editor_hl_boulderdash_effects = ARRAY_SIZE(editor_hl_boulderdash_effects);
5285 static int num_editor_el_boulderdash_effects = ARRAY_SIZE(editor_el_boulderdash_effects);
5286
5287 static int editor_hl_emerald_mine[] =
5288 {
5289   EL_INTERNAL_CASCADE_EM_ACTIVE,
5290   EL_CHAR('E'),
5291   EL_CHAR('M'),
5292   EL_EMPTY,
5293 };
5294
5295 static int editor_el_emerald_mine[] =
5296 {
5297   EL_SAND,
5298   EL_ROCK,
5299   EL_QUICKSAND_EMPTY,
5300   EL_QUICKSAND_FULL,
5301
5302   EL_STEELWALL,
5303   EL_WALL,
5304   EL_WALL_SLIPPERY,
5305   EL_MAGIC_WALL,
5306
5307   EL_EMERALD,
5308   EL_DIAMOND,
5309   EL_NUT,
5310   EL_BOMB,
5311
5312   EL_EM_DYNAMITE,
5313   EL_EM_DYNAMITE_ACTIVE,
5314   EL_EM_EXIT_CLOSED,
5315   EL_EM_EXIT_OPEN,
5316
5317   EL_YAMYAM_UP,
5318   EL_BUG_UP,
5319   EL_SPACESHIP_UP,
5320   EL_ROBOT,
5321
5322   EL_BUG_LEFT,
5323   EL_SPACESHIP_LEFT,
5324   EL_BUG_RIGHT,
5325   EL_SPACESHIP_RIGHT,
5326
5327   EL_ROBOT_WHEEL,
5328   EL_BUG_DOWN,
5329   EL_SPACESHIP_DOWN,
5330   EL_INVISIBLE_WALL,
5331
5332   EL_ACID_POOL_TOPLEFT,
5333   EL_ACID,
5334   EL_ACID_POOL_TOPRIGHT,
5335   EL_AMOEBA_DROP,
5336
5337   EL_ACID_POOL_BOTTOMLEFT,
5338   EL_ACID_POOL_BOTTOM,
5339   EL_ACID_POOL_BOTTOMRIGHT,
5340   EL_AMOEBA_WET,
5341
5342   EL_EM_KEY_1,
5343   EL_EM_KEY_2,
5344   EL_EM_KEY_3,
5345   EL_EM_KEY_4,
5346
5347   EL_EM_GATE_1,
5348   EL_EM_GATE_2,
5349   EL_EM_GATE_3,
5350   EL_EM_GATE_4,
5351
5352   EL_EM_GATE_1_GRAY,
5353   EL_EM_GATE_2_GRAY,
5354   EL_EM_GATE_3_GRAY,
5355   EL_EM_GATE_4_GRAY,
5356 };
5357 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
5358 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
5359 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
5360 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
5361
5362 static int editor_hl_emerald_mine_club[] =
5363 {
5364   EL_INTERNAL_CASCADE_EMC_ACTIVE,
5365   EL_CHAR('E'),
5366   EL_CHAR('M'),
5367   EL_CHAR('C'),
5368 };
5369
5370 static int editor_el_emerald_mine_club[] =
5371 {
5372   EL_EMC_KEY_5,
5373   EL_EMC_KEY_6,
5374   EL_EMC_KEY_7,
5375   EL_EMC_KEY_8,
5376
5377   EL_EMC_GATE_5,
5378   EL_EMC_GATE_6,
5379   EL_EMC_GATE_7,
5380   EL_EMC_GATE_8,
5381
5382   EL_EMC_GATE_5_GRAY,
5383   EL_EMC_GATE_6_GRAY,
5384   EL_EMC_GATE_7_GRAY,
5385   EL_EMC_GATE_8_GRAY,
5386
5387   EL_EMC_STEELWALL_1,
5388   EL_EMC_STEELWALL_2,
5389   EL_EMC_STEELWALL_3,
5390   EL_EMC_STEELWALL_4,
5391
5392   EL_EMC_WALL_13,
5393   EL_EMC_WALL_14,
5394   EL_EMC_WALL_15,
5395   EL_EMC_WALL_16,
5396
5397   EL_EMC_WALL_SLIPPERY_1,
5398   EL_EMC_WALL_SLIPPERY_2,
5399   EL_EMC_WALL_SLIPPERY_3,
5400   EL_EMC_WALL_SLIPPERY_4,
5401
5402   EL_EMC_WALL_1,
5403   EL_EMC_WALL_2,
5404   EL_EMC_WALL_3,
5405   EL_EMC_WALL_4,
5406
5407   EL_EMC_WALL_5,
5408   EL_EMC_WALL_6,
5409   EL_EMC_WALL_7,
5410   EL_EMC_WALL_8,
5411
5412   EL_EMC_WALL_9,
5413   EL_EMC_WALL_10,
5414   EL_EMC_WALL_11,
5415   EL_EMC_WALL_12,
5416
5417   EL_EMC_GRASS,
5418   EL_EMC_FAKE_GRASS,
5419   EL_EMC_PLANT,
5420   EL_EMC_DRIPPER,
5421
5422   EL_EMC_MAGIC_BALL,
5423   EL_EMC_MAGIC_BALL_SWITCH,
5424   EL_EMC_LENSES,
5425   EL_EMC_MAGNIFIER,
5426
5427   EL_SPRING_LEFT,
5428   EL_SPRING,
5429   EL_SPRING_RIGHT,
5430   EL_EMC_SPRING_BUMPER,
5431
5432   EL_BALLOON,
5433   EL_YAMYAM_UP,
5434   EL_BALLOON_SWITCH_UP,
5435   EL_BALLOON_SWITCH_ANY,
5436
5437   EL_YAMYAM_LEFT,
5438   EL_BALLOON_SWITCH_LEFT,
5439   EL_YAMYAM_RIGHT,
5440   EL_BALLOON_SWITCH_RIGHT,
5441
5442   EL_EMC_ANDROID,
5443   EL_YAMYAM_DOWN,
5444   EL_BALLOON_SWITCH_DOWN,
5445   EL_BALLOON_SWITCH_NONE,
5446 };
5447 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
5448 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
5449 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
5450 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
5451
5452 static int editor_hl_rnd[] =
5453 {
5454   EL_INTERNAL_CASCADE_RND_ACTIVE,
5455   EL_CHAR('R'),
5456   EL_CHAR('N'),
5457   EL_CHAR('D'),
5458 };
5459
5460 static int editor_el_rnd[] =
5461 {
5462   EL_DYNAMITE,                  // RND
5463   EL_DYNAMITE_ACTIVE,           // RND
5464   EL_EMPTY,
5465   EL_EMPTY,
5466
5467   EL_KEY_1,
5468   EL_KEY_2,
5469   EL_KEY_3,
5470   EL_KEY_4,
5471
5472   EL_GATE_1,
5473   EL_GATE_2,
5474   EL_GATE_3,
5475   EL_GATE_4,
5476
5477   EL_GATE_1_GRAY,
5478   EL_GATE_2_GRAY,
5479   EL_GATE_3_GRAY,
5480   EL_GATE_4_GRAY,
5481
5482   EL_ARROW_LEFT,
5483   EL_ARROW_RIGHT,
5484   EL_ARROW_UP,
5485   EL_ARROW_DOWN,
5486
5487   EL_AMOEBA_DEAD,
5488   EL_AMOEBA_DRY,
5489   EL_AMOEBA_FULL,
5490   EL_GAME_OF_LIFE,
5491
5492   EL_EMERALD_YELLOW,
5493   EL_EMERALD_RED,
5494   EL_EMERALD_PURPLE,
5495   EL_BIOMAZE,
5496
5497   EL_WALL_EMERALD_YELLOW,
5498   EL_WALL_EMERALD_RED,
5499   EL_WALL_EMERALD_PURPLE,
5500   EL_WALL_BD_DIAMOND,
5501
5502   EL_SPEED_PILL,
5503   EL_PACMAN_UP,
5504   EL_TIME_ORB_FULL,
5505   EL_TIME_ORB_EMPTY,
5506
5507   EL_PACMAN_LEFT,
5508   EL_DARK_YAMYAM,
5509   EL_PACMAN_RIGHT,
5510   EL_YAMYAM,                    // RND
5511
5512   EL_BLACK_ORB,
5513   EL_PACMAN_DOWN,
5514   EL_LAMP,
5515   EL_LAMP_ACTIVE,
5516
5517   EL_DYNABOMB_INCREASE_NUMBER,
5518   EL_DYNABOMB_INCREASE_SIZE,
5519   EL_DYNABOMB_INCREASE_POWER,
5520   EL_STONEBLOCK,
5521
5522   EL_MOLE,
5523   EL_PENGUIN,
5524   EL_PIG,
5525   EL_DRAGON,
5526
5527   EL_BUG,
5528   EL_MOLE_UP,
5529   EL_BD_BUTTERFLY,
5530   EL_BD_FIREFLY,
5531
5532   EL_MOLE_LEFT,
5533   EL_SATELLITE,
5534   EL_MOLE_RIGHT,
5535   EL_PACMAN,
5536
5537   EL_SPACESHIP,
5538   EL_MOLE_DOWN,
5539   EL_INVISIBLE_STEELWALL,
5540   EL_INVISIBLE_WALL,
5541
5542   EL_EXPANDABLE_WALL,
5543   EL_EXPANDABLE_WALL_HORIZONTAL,
5544   EL_EXPANDABLE_WALL_VERTICAL,
5545   EL_EXPANDABLE_WALL_ANY,
5546 };
5547 static int *editor_hl_rnd_ptr = editor_hl_rnd;
5548 static int *editor_el_rnd_ptr = editor_el_rnd;
5549 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
5550 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
5551
5552 static int editor_hl_sokoban[] =
5553 {
5554   EL_INTERNAL_CASCADE_SB_ACTIVE,
5555   EL_CHAR('S'),
5556   EL_CHAR('B'),
5557   EL_EMPTY,
5558 };
5559
5560 static int editor_el_sokoban[] =
5561 {
5562   EL_SOKOBAN_OBJECT,
5563   EL_SOKOBAN_FIELD_EMPTY,
5564   EL_SOKOBAN_FIELD_FULL,
5565   EL_SOKOBAN_FIELD_PLAYER,
5566 };
5567 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
5568 static int *editor_el_sokoban_ptr = editor_el_sokoban;
5569 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
5570 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
5571
5572 static int editor_hl_supaplex[] =
5573 {
5574   EL_INTERNAL_CASCADE_SP_ACTIVE,
5575   EL_CHAR('S'),
5576   EL_CHAR('P'),
5577   EL_EMPTY,
5578 };
5579
5580 static int editor_el_supaplex[] =
5581 {
5582   EL_SP_MURPHY,
5583   EL_EMPTY,
5584   EL_SP_BASE,
5585   EL_SP_BUGGY_BASE,
5586
5587   EL_SP_INFOTRON,
5588   EL_SP_ZONK,
5589   EL_SP_SNIKSNAK,
5590   EL_SP_ELECTRON,
5591
5592   EL_SP_DISK_RED,
5593   EL_SP_DISK_ORANGE,
5594   EL_SP_DISK_YELLOW,
5595   EL_SP_TERMINAL,
5596
5597   EL_SP_EXIT_CLOSED,
5598   EL_SP_PORT_HORIZONTAL,
5599   EL_SP_PORT_VERTICAL,
5600   EL_SP_PORT_ANY,
5601
5602   EL_SP_PORT_LEFT,
5603   EL_SP_PORT_RIGHT,
5604   EL_SP_PORT_UP,
5605   EL_SP_PORT_DOWN,
5606
5607   EL_SP_GRAVITY_PORT_LEFT,
5608   EL_SP_GRAVITY_PORT_RIGHT,
5609   EL_SP_GRAVITY_PORT_UP,
5610   EL_SP_GRAVITY_PORT_DOWN,
5611
5612   EL_SP_GRAVITY_ON_PORT_LEFT,
5613   EL_SP_GRAVITY_ON_PORT_RIGHT,
5614   EL_SP_GRAVITY_ON_PORT_UP,
5615   EL_SP_GRAVITY_ON_PORT_DOWN,
5616
5617   EL_SP_GRAVITY_OFF_PORT_LEFT,
5618   EL_SP_GRAVITY_OFF_PORT_RIGHT,
5619   EL_SP_GRAVITY_OFF_PORT_UP,
5620   EL_SP_GRAVITY_OFF_PORT_DOWN,
5621
5622   EL_SP_HARDWARE_GRAY,
5623   EL_SP_HARDWARE_GREEN,
5624   EL_SP_HARDWARE_BLUE,
5625   EL_SP_HARDWARE_RED,
5626
5627   EL_SP_HARDWARE_BASE_1,
5628   EL_SP_HARDWARE_BASE_2,
5629   EL_SP_HARDWARE_BASE_3,
5630   EL_SP_HARDWARE_BASE_4,
5631
5632   EL_SP_HARDWARE_BASE_5,
5633   EL_SP_HARDWARE_BASE_6,
5634   EL_SP_HARDWARE_YELLOW,
5635   EL_SP_CHIP_TOP,
5636
5637   EL_SP_CHIP_SINGLE,
5638   EL_SP_CHIP_LEFT,
5639   EL_SP_CHIP_RIGHT,
5640   EL_SP_CHIP_BOTTOM,
5641 };
5642 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
5643 static int *editor_el_supaplex_ptr = editor_el_supaplex;
5644 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
5645 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
5646
5647 static int editor_hl_diamond_caves[] =
5648 {
5649   EL_INTERNAL_CASCADE_DC_ACTIVE,
5650   EL_CHAR('D'),
5651   EL_CHAR('C'),
5652   EL_CHAR('2'),
5653 };
5654
5655 static int editor_el_diamond_caves[] =
5656 {
5657   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5658   EL_EM_STEEL_EXIT_OPEN,        // DC2
5659   EL_WALL_EMERALD,              // DC2
5660   EL_WALL_DIAMOND,              // DC2
5661
5662   EL_PEARL,
5663   EL_CRYSTAL,
5664   EL_WALL_PEARL,
5665   EL_WALL_CRYSTAL,
5666
5667   EL_CONVEYOR_BELT_1_LEFT,
5668   EL_CONVEYOR_BELT_1_MIDDLE,
5669   EL_CONVEYOR_BELT_1_RIGHT,
5670   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5671
5672   EL_CONVEYOR_BELT_2_LEFT,
5673   EL_CONVEYOR_BELT_2_MIDDLE,
5674   EL_CONVEYOR_BELT_2_RIGHT,
5675   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5676
5677   EL_CONVEYOR_BELT_3_LEFT,
5678   EL_CONVEYOR_BELT_3_MIDDLE,
5679   EL_CONVEYOR_BELT_3_RIGHT,
5680   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5681
5682   EL_CONVEYOR_BELT_4_LEFT,
5683   EL_CONVEYOR_BELT_4_MIDDLE,
5684   EL_CONVEYOR_BELT_4_RIGHT,
5685   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5686
5687   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5688   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5689   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5690   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5691
5692   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5693   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5694   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5695   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5696
5697   EL_TIMEGATE_CLOSED,
5698   EL_TIMEGATE_OPEN,
5699   EL_TIMEGATE_SWITCH,
5700   EL_DC_TIMEGATE_SWITCH,
5701
5702   EL_SWITCHGATE_CLOSED,
5703   EL_SWITCHGATE_OPEN,
5704   EL_SWITCHGATE_SWITCH_UP,
5705   EL_SWITCHGATE_SWITCH_DOWN,
5706
5707   EL_LIGHT_SWITCH,
5708   EL_LIGHT_SWITCH_ACTIVE,
5709   EL_DC_SWITCHGATE_SWITCH_UP,
5710   EL_DC_SWITCHGATE_SWITCH_DOWN,
5711
5712   EL_STEEL_EXIT_CLOSED,
5713   EL_STEEL_EXIT_OPEN,
5714   EL_STEELWALL_SLIPPERY,
5715   EL_INVISIBLE_SAND,
5716
5717   EL_QUICKSAND_FAST_EMPTY,
5718   EL_QUICKSAND_FAST_FULL,
5719   EL_LANDMINE,
5720   EL_DC_LANDMINE,
5721
5722   EL_SHIELD_NORMAL,
5723   EL_SHIELD_DEADLY,
5724   EL_EXTRA_TIME,
5725   EL_DC_MAGIC_WALL,
5726
5727   EL_ENVELOPE_1,
5728   EL_ENVELOPE_2,
5729   EL_ENVELOPE_3,
5730   EL_ENVELOPE_4,
5731
5732   EL_SIGN_RADIOACTIVITY,
5733   EL_SIGN_WHEELCHAIR,
5734   EL_SIGN_PARKING,
5735   EL_SIGN_NO_ENTRY,
5736
5737   EL_SIGN_GIVE_WAY,
5738   EL_SIGN_ENTRY_FORBIDDEN,
5739   EL_SIGN_EMERGENCY_EXIT,
5740   EL_SIGN_YIN_YANG,
5741
5742 #if 0
5743   EL_SIGN_SPERMS,
5744   EL_SIGN_BULLET,
5745   EL_SIGN_HEART,
5746   EL_SIGN_CROSS,
5747
5748   EL_SIGN_FRANKIE,
5749   EL_EMPTY,
5750   EL_EMPTY,
5751   EL_EMPTY,
5752
5753   EL_SPERMS,
5754   EL_BULLET,
5755   EL_HEART,
5756   EL_CROSS,
5757
5758   EL_FRANKIE,
5759   EL_EMPTY,
5760   EL_EMPTY,
5761   EL_EMPTY,
5762 #endif
5763
5764   EL_DC_STEELWALL_2_SINGLE,
5765   EL_DC_STEELWALL_2_TOP,
5766   EL_SIGN_EXCLAMATION,
5767   EL_SIGN_STOP,
5768
5769   EL_DC_STEELWALL_2_LEFT,
5770   EL_DC_STEELWALL_2_MIDDLE,
5771   EL_DC_STEELWALL_2_HORIZONTAL,
5772   EL_DC_STEELWALL_2_RIGHT,
5773
5774   EL_DC_STEELWALL_1_TOPLEFT,
5775   EL_DC_STEELWALL_2_VERTICAL,
5776   EL_DC_STEELWALL_1_TOPRIGHT,
5777   EL_DC_GATE_WHITE,
5778
5779   EL_DC_STEELWALL_1_VERTICAL,
5780   EL_DC_STEELWALL_2_BOTTOM,
5781   EL_DC_KEY_WHITE,
5782   EL_DC_GATE_WHITE_GRAY,
5783
5784   EL_DC_STEELWALL_1_BOTTOMLEFT,
5785   EL_DC_STEELWALL_1_HORIZONTAL,
5786   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5787   EL_DC_GATE_FAKE_GRAY,
5788
5789   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5790   EL_DC_STEELWALL_1_BOTTOM,
5791   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5792   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5793
5794   EL_DC_STEELWALL_1_RIGHT,
5795   EL_EMPTY,
5796   EL_DC_STEELWALL_1_LEFT,
5797   EL_EXPANDABLE_STEELWALL_VERTICAL,
5798
5799   EL_DC_STEELWALL_1_TOPRIGHT_2,
5800   EL_DC_STEELWALL_1_TOP,
5801   EL_DC_STEELWALL_1_TOPLEFT_2,
5802   EL_EXPANDABLE_STEELWALL_ANY,
5803 };
5804 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5805 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5806 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5807 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5808
5809 static int editor_hl_dx_boulderdash[] =
5810 {
5811   EL_INTERNAL_CASCADE_DX_ACTIVE,
5812   EL_CHAR('D'),
5813   EL_CHAR('X'),
5814   EL_EMPTY,
5815 };
5816
5817 static int editor_el_dx_boulderdash[] =
5818 {
5819   EL_EMPTY,
5820   EL_TUBE_RIGHT_DOWN,
5821   EL_TUBE_HORIZONTAL_DOWN,
5822   EL_TUBE_LEFT_DOWN,
5823
5824   EL_TUBE_HORIZONTAL,
5825   EL_TUBE_VERTICAL_RIGHT,
5826   EL_TUBE_ANY,
5827   EL_TUBE_VERTICAL_LEFT,
5828
5829   EL_TUBE_VERTICAL,
5830   EL_TUBE_RIGHT_UP,
5831   EL_TUBE_HORIZONTAL_UP,
5832   EL_TUBE_LEFT_UP,
5833
5834   EL_TRAP,
5835   EL_DX_SUPABOMB,
5836   EL_EMPTY,
5837   EL_EMPTY
5838 };
5839 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5840 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5841 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5842 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5843
5844 static int editor_hl_mirror_magic[] =
5845 {
5846   EL_INTERNAL_CASCADE_MM_ACTIVE,
5847   EL_CHAR('M'),
5848   EL_CHAR('M'),
5849   EL_EMPTY,
5850 };
5851
5852 static int editor_el_mirror_magic[] =
5853 {
5854   EL_MM_MCDUFFIN_RIGHT,
5855   EL_MM_MCDUFFIN_UP,
5856   EL_MM_MCDUFFIN_LEFT,
5857   EL_MM_MCDUFFIN_DOWN,
5858
5859   EL_MM_MIRROR_START,
5860   EL_MM_MIRROR_FIXED_START,
5861   EL_MM_POLARIZER_START,
5862   EL_MM_POLARIZER_CROSS_START,
5863
5864   EL_MM_TELEPORTER_RED_START,
5865   EL_MM_TELEPORTER_YELLOW_START,
5866   EL_MM_TELEPORTER_GREEN_START,
5867   EL_MM_TELEPORTER_BLUE_START,
5868
5869   EL_MM_PRISM,
5870   EL_MM_FUSE_ACTIVE,
5871   EL_MM_PACMAN_RIGHT,
5872   EL_MM_EXIT_CLOSED,
5873
5874   EL_MM_KETTLE,
5875   EL_MM_BOMB,
5876   EL_MM_KEY,
5877   EL_MM_FUEL_FULL,
5878
5879   EL_MM_LIGHTBULB,
5880   EL_MM_LIGHTBULB_ACTIVE,
5881   EL_MM_GRAY_BALL,
5882   EL_MM_LIGHTBALL,
5883
5884   EL_MM_STEEL_WALL,
5885   EL_MM_WOODEN_WALL,
5886   EL_MM_ICE_WALL,
5887   EL_MM_AMOEBA_WALL,
5888
5889   EL_MM_STEEL_LOCK,
5890   EL_MM_WOODEN_LOCK,
5891   EL_MM_STEEL_BLOCK,
5892   EL_MM_WOODEN_BLOCK,
5893
5894   EL_MM_STEEL_GRID_FIXED_1,
5895   EL_MM_STEEL_GRID_FIXED_2,
5896   EL_MM_STEEL_GRID_FIXED_3,
5897   EL_MM_STEEL_GRID_FIXED_4,
5898
5899   EL_MM_WOODEN_GRID_FIXED_1,
5900   EL_MM_WOODEN_GRID_FIXED_2,
5901   EL_MM_WOODEN_GRID_FIXED_3,
5902   EL_MM_WOODEN_GRID_FIXED_4,
5903
5904   EL_MM_ENVELOPE_1,
5905   EL_MM_ENVELOPE_2,
5906   EL_MM_ENVELOPE_3,
5907   EL_MM_ENVELOPE_4
5908 };
5909 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5910 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5911 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5912 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5913
5914 static int editor_hl_deflektor[] =
5915 {
5916   EL_INTERNAL_CASCADE_DF_ACTIVE,
5917   EL_CHAR('D'),
5918   EL_CHAR('F'),
5919   EL_EMPTY,
5920 };
5921
5922 static int editor_el_deflektor[] =
5923 {
5924   EL_DF_LASER_RIGHT,
5925   EL_DF_LASER_UP,
5926   EL_DF_LASER_LEFT,
5927   EL_DF_LASER_DOWN,
5928
5929   EL_DF_RECEIVER_RIGHT,
5930   EL_DF_RECEIVER_UP,
5931   EL_DF_RECEIVER_LEFT,
5932   EL_DF_RECEIVER_DOWN,
5933
5934   EL_DF_MIRROR_START,
5935   EL_DF_MIRROR_ROTATING_START,
5936   EL_DF_MIRROR_FIXED_START,
5937   EL_DF_CELL,
5938
5939   EL_DF_FIBRE_OPTIC_RED_1,
5940   EL_DF_FIBRE_OPTIC_YELLOW_1,
5941   EL_DF_FIBRE_OPTIC_GREEN_1,
5942   EL_DF_FIBRE_OPTIC_BLUE_1,
5943
5944   EL_DF_STEEL_GRID_FIXED_START,
5945   EL_DF_STEEL_GRID_ROTATING_START,
5946   EL_DF_WOODEN_GRID_FIXED_START,
5947   EL_DF_WOODEN_GRID_ROTATING_START,
5948
5949   EL_DF_STEEL_WALL,
5950   EL_DF_WOODEN_WALL,
5951   EL_DF_REFRACTOR,
5952   EL_DF_MINE,
5953
5954   EL_DF_SLOPE_1,
5955   EL_DF_SLOPE_2,
5956   EL_DF_SLOPE_3,
5957   EL_DF_SLOPE_4
5958 };
5959 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5960 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5961 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5962 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5963
5964 static int editor_hl_chars[] =
5965 {
5966   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5967   EL_CHAR('T'),
5968   EL_CHAR('X'),
5969   EL_CHAR('T'),
5970 };
5971
5972 static int editor_el_chars[] =
5973 {
5974   EL_CHAR(' '),
5975   EL_CHAR('!'),
5976   EL_CHAR('"'),
5977   EL_CHAR('#'),
5978
5979   EL_CHAR('$'),
5980   EL_CHAR('%'),
5981   EL_CHAR('&'),
5982   EL_CHAR('\''),
5983
5984   EL_CHAR('('),
5985   EL_CHAR(')'),
5986   EL_CHAR('*'),
5987   EL_CHAR('+'),
5988
5989   EL_CHAR(','),
5990   EL_CHAR('-'),
5991   EL_CHAR('.'),
5992   EL_CHAR('/'),
5993
5994   EL_CHAR('0'),
5995   EL_CHAR('1'),
5996   EL_CHAR('2'),
5997   EL_CHAR('3'),
5998
5999   EL_CHAR('4'),
6000   EL_CHAR('5'),
6001   EL_CHAR('6'),
6002   EL_CHAR('7'),
6003
6004   EL_CHAR('8'),
6005   EL_CHAR('9'),
6006   EL_CHAR(':'),
6007   EL_CHAR(';'),
6008
6009   EL_CHAR('<'),
6010   EL_CHAR('='),
6011   EL_CHAR('>'),
6012   EL_CHAR('?'),
6013
6014   EL_CHAR('@'),
6015   EL_CHAR('A'),
6016   EL_CHAR('B'),
6017   EL_CHAR('C'),
6018
6019   EL_CHAR('D'),
6020   EL_CHAR('E'),
6021   EL_CHAR('F'),
6022   EL_CHAR('G'),
6023
6024   EL_CHAR('H'),
6025   EL_CHAR('I'),
6026   EL_CHAR('J'),
6027   EL_CHAR('K'),
6028
6029   EL_CHAR('L'),
6030   EL_CHAR('M'),
6031   EL_CHAR('N'),
6032   EL_CHAR('O'),
6033
6034   EL_CHAR('P'),
6035   EL_CHAR('Q'),
6036   EL_CHAR('R'),
6037   EL_CHAR('S'),
6038
6039   EL_CHAR('T'),
6040   EL_CHAR('U'),
6041   EL_CHAR('V'),
6042   EL_CHAR('W'),
6043
6044   EL_CHAR('X'),
6045   EL_CHAR('Y'),
6046   EL_CHAR('Z'),
6047   EL_CHAR('['),
6048
6049   EL_CHAR('\\'),
6050   EL_CHAR(']'),
6051   EL_CHAR('^'),
6052   EL_CHAR('_'),
6053
6054   EL_CHAR(CHAR_BYTE_COPYRIGHT),
6055   EL_CHAR(CHAR_BYTE_UMLAUT_A),
6056   EL_CHAR(CHAR_BYTE_UMLAUT_O),
6057   EL_CHAR(CHAR_BYTE_UMLAUT_U),
6058
6059   EL_CHAR(CHAR_BYTE_DEGREE),
6060   EL_CHAR(CHAR_BYTE_REGISTERED),
6061   EL_CHAR(FONT_ASCII_CURSOR),
6062   EL_CHAR(FONT_ASCII_BUTTON),
6063
6064   EL_CHAR(FONT_ASCII_UP),
6065   EL_CHAR(FONT_ASCII_DOWN),
6066   EL_CHAR(' '),
6067   EL_CHAR(' ')
6068 };
6069 static int *editor_hl_chars_ptr = editor_hl_chars;
6070 static int *editor_el_chars_ptr = editor_el_chars;
6071 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
6072 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
6073
6074 static int editor_hl_steel_chars[] =
6075 {
6076   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
6077   EL_STEEL_CHAR('T'),
6078   EL_STEEL_CHAR('X'),
6079   EL_STEEL_CHAR('T'),
6080 };
6081
6082 static int editor_el_steel_chars[] =
6083 {
6084   EL_STEEL_CHAR(' '),
6085   EL_STEEL_CHAR('!'),
6086   EL_STEEL_CHAR('"'),
6087   EL_STEEL_CHAR('#'),
6088
6089   EL_STEEL_CHAR('$'),
6090   EL_STEEL_CHAR('%'),
6091   EL_STEEL_CHAR('&'),
6092   EL_STEEL_CHAR('\''),
6093
6094   EL_STEEL_CHAR('('),
6095   EL_STEEL_CHAR(')'),
6096   EL_STEEL_CHAR('*'),
6097   EL_STEEL_CHAR('+'),
6098
6099   EL_STEEL_CHAR(','),
6100   EL_STEEL_CHAR('-'),
6101   EL_STEEL_CHAR('.'),
6102   EL_STEEL_CHAR('/'),
6103
6104   EL_STEEL_CHAR('0'),
6105   EL_STEEL_CHAR('1'),
6106   EL_STEEL_CHAR('2'),
6107   EL_STEEL_CHAR('3'),
6108
6109   EL_STEEL_CHAR('4'),
6110   EL_STEEL_CHAR('5'),
6111   EL_STEEL_CHAR('6'),
6112   EL_STEEL_CHAR('7'),
6113
6114   EL_STEEL_CHAR('8'),
6115   EL_STEEL_CHAR('9'),
6116   EL_STEEL_CHAR(':'),
6117   EL_STEEL_CHAR(';'),
6118
6119   EL_STEEL_CHAR('<'),
6120   EL_STEEL_CHAR('='),
6121   EL_STEEL_CHAR('>'),
6122   EL_STEEL_CHAR('?'),
6123
6124   EL_STEEL_CHAR('@'),
6125   EL_STEEL_CHAR('A'),
6126   EL_STEEL_CHAR('B'),
6127   EL_STEEL_CHAR('C'),
6128
6129   EL_STEEL_CHAR('D'),
6130   EL_STEEL_CHAR('E'),
6131   EL_STEEL_CHAR('F'),
6132   EL_STEEL_CHAR('G'),
6133
6134   EL_STEEL_CHAR('H'),
6135   EL_STEEL_CHAR('I'),
6136   EL_STEEL_CHAR('J'),
6137   EL_STEEL_CHAR('K'),
6138
6139   EL_STEEL_CHAR('L'),
6140   EL_STEEL_CHAR('M'),
6141   EL_STEEL_CHAR('N'),
6142   EL_STEEL_CHAR('O'),
6143
6144   EL_STEEL_CHAR('P'),
6145   EL_STEEL_CHAR('Q'),
6146   EL_STEEL_CHAR('R'),
6147   EL_STEEL_CHAR('S'),
6148
6149   EL_STEEL_CHAR('T'),
6150   EL_STEEL_CHAR('U'),
6151   EL_STEEL_CHAR('V'),
6152   EL_STEEL_CHAR('W'),
6153
6154   EL_STEEL_CHAR('X'),
6155   EL_STEEL_CHAR('Y'),
6156   EL_STEEL_CHAR('Z'),
6157   EL_STEEL_CHAR('['),
6158
6159   EL_STEEL_CHAR('\\'),
6160   EL_STEEL_CHAR(']'),
6161   EL_STEEL_CHAR('^'),
6162   EL_STEEL_CHAR('_'),
6163
6164   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
6165   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
6166   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
6167   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
6168
6169   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
6170   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
6171   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
6172   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
6173
6174   EL_STEEL_CHAR(FONT_ASCII_UP),
6175   EL_STEEL_CHAR(FONT_ASCII_DOWN),
6176   EL_STEEL_CHAR(' '),
6177   EL_STEEL_CHAR(' ')
6178 };
6179 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
6180 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
6181 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
6182 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
6183
6184 static int editor_hl_custom[] =
6185 {
6186   EL_INTERNAL_CASCADE_CE_ACTIVE,
6187   EL_CHAR('C'),
6188   EL_CHAR('E'),
6189   EL_EMPTY,
6190 };
6191
6192 static int editor_el_custom[] =
6193 {
6194   EL_CUSTOM_START + 0,
6195   EL_CUSTOM_START + 1,
6196   EL_CUSTOM_START + 2,
6197   EL_CUSTOM_START + 3,
6198
6199   EL_CUSTOM_START + 4,
6200   EL_CUSTOM_START + 5,
6201   EL_CUSTOM_START + 6,
6202   EL_CUSTOM_START + 7,
6203
6204   EL_CUSTOM_START + 8,
6205   EL_CUSTOM_START + 9,
6206   EL_CUSTOM_START + 10,
6207   EL_CUSTOM_START + 11,
6208
6209   EL_CUSTOM_START + 12,
6210   EL_CUSTOM_START + 13,
6211   EL_CUSTOM_START + 14,
6212   EL_CUSTOM_START + 15,
6213
6214   EL_CUSTOM_START + 16,
6215   EL_CUSTOM_START + 17,
6216   EL_CUSTOM_START + 18,
6217   EL_CUSTOM_START + 19,
6218
6219   EL_CUSTOM_START + 20,
6220   EL_CUSTOM_START + 21,
6221   EL_CUSTOM_START + 22,
6222   EL_CUSTOM_START + 23,
6223
6224   EL_CUSTOM_START + 24,
6225   EL_CUSTOM_START + 25,
6226   EL_CUSTOM_START + 26,
6227   EL_CUSTOM_START + 27,
6228
6229   EL_CUSTOM_START + 28,
6230   EL_CUSTOM_START + 29,
6231   EL_CUSTOM_START + 30,
6232   EL_CUSTOM_START + 31,
6233
6234   EL_CUSTOM_START + 32,
6235   EL_CUSTOM_START + 33,
6236   EL_CUSTOM_START + 34,
6237   EL_CUSTOM_START + 35,
6238
6239   EL_CUSTOM_START + 36,
6240   EL_CUSTOM_START + 37,
6241   EL_CUSTOM_START + 38,
6242   EL_CUSTOM_START + 39,
6243
6244   EL_CUSTOM_START + 40,
6245   EL_CUSTOM_START + 41,
6246   EL_CUSTOM_START + 42,
6247   EL_CUSTOM_START + 43,
6248
6249   EL_CUSTOM_START + 44,
6250   EL_CUSTOM_START + 45,
6251   EL_CUSTOM_START + 46,
6252   EL_CUSTOM_START + 47,
6253
6254   EL_CUSTOM_START + 48,
6255   EL_CUSTOM_START + 49,
6256   EL_CUSTOM_START + 50,
6257   EL_CUSTOM_START + 51,
6258
6259   EL_CUSTOM_START + 52,
6260   EL_CUSTOM_START + 53,
6261   EL_CUSTOM_START + 54,
6262   EL_CUSTOM_START + 55,
6263
6264   EL_CUSTOM_START + 56,
6265   EL_CUSTOM_START + 57,
6266   EL_CUSTOM_START + 58,
6267   EL_CUSTOM_START + 59,
6268
6269   EL_CUSTOM_START + 60,
6270   EL_CUSTOM_START + 61,
6271   EL_CUSTOM_START + 62,
6272   EL_CUSTOM_START + 63,
6273
6274   EL_CUSTOM_START + 64,
6275   EL_CUSTOM_START + 65,
6276   EL_CUSTOM_START + 66,
6277   EL_CUSTOM_START + 67,
6278
6279   EL_CUSTOM_START + 68,
6280   EL_CUSTOM_START + 69,
6281   EL_CUSTOM_START + 70,
6282   EL_CUSTOM_START + 71,
6283
6284   EL_CUSTOM_START + 72,
6285   EL_CUSTOM_START + 73,
6286   EL_CUSTOM_START + 74,
6287   EL_CUSTOM_START + 75,
6288
6289   EL_CUSTOM_START + 76,
6290   EL_CUSTOM_START + 77,
6291   EL_CUSTOM_START + 78,
6292   EL_CUSTOM_START + 79,
6293
6294   EL_CUSTOM_START + 80,
6295   EL_CUSTOM_START + 81,
6296   EL_CUSTOM_START + 82,
6297   EL_CUSTOM_START + 83,
6298
6299   EL_CUSTOM_START + 84,
6300   EL_CUSTOM_START + 85,
6301   EL_CUSTOM_START + 86,
6302   EL_CUSTOM_START + 87,
6303
6304   EL_CUSTOM_START + 88,
6305   EL_CUSTOM_START + 89,
6306   EL_CUSTOM_START + 90,
6307   EL_CUSTOM_START + 91,
6308
6309   EL_CUSTOM_START + 92,
6310   EL_CUSTOM_START + 93,
6311   EL_CUSTOM_START + 94,
6312   EL_CUSTOM_START + 95,
6313
6314   EL_CUSTOM_START + 96,
6315   EL_CUSTOM_START + 97,
6316   EL_CUSTOM_START + 98,
6317   EL_CUSTOM_START + 99,
6318
6319   EL_CUSTOM_START + 100,
6320   EL_CUSTOM_START + 101,
6321   EL_CUSTOM_START + 102,
6322   EL_CUSTOM_START + 103,
6323
6324   EL_CUSTOM_START + 104,
6325   EL_CUSTOM_START + 105,
6326   EL_CUSTOM_START + 106,
6327   EL_CUSTOM_START + 107,
6328
6329   EL_CUSTOM_START + 108,
6330   EL_CUSTOM_START + 109,
6331   EL_CUSTOM_START + 110,
6332   EL_CUSTOM_START + 111,
6333
6334   EL_CUSTOM_START + 112,
6335   EL_CUSTOM_START + 113,
6336   EL_CUSTOM_START + 114,
6337   EL_CUSTOM_START + 115,
6338
6339   EL_CUSTOM_START + 116,
6340   EL_CUSTOM_START + 117,
6341   EL_CUSTOM_START + 118,
6342   EL_CUSTOM_START + 119,
6343
6344   EL_CUSTOM_START + 120,
6345   EL_CUSTOM_START + 121,
6346   EL_CUSTOM_START + 122,
6347   EL_CUSTOM_START + 123,
6348
6349   EL_CUSTOM_START + 124,
6350   EL_CUSTOM_START + 125,
6351   EL_CUSTOM_START + 126,
6352   EL_CUSTOM_START + 127,
6353
6354   EL_CUSTOM_START + 128,
6355   EL_CUSTOM_START + 129,
6356   EL_CUSTOM_START + 130,
6357   EL_CUSTOM_START + 131,
6358
6359   EL_CUSTOM_START + 132,
6360   EL_CUSTOM_START + 133,
6361   EL_CUSTOM_START + 134,
6362   EL_CUSTOM_START + 135,
6363
6364   EL_CUSTOM_START + 136,
6365   EL_CUSTOM_START + 137,
6366   EL_CUSTOM_START + 138,
6367   EL_CUSTOM_START + 139,
6368
6369   EL_CUSTOM_START + 140,
6370   EL_CUSTOM_START + 141,
6371   EL_CUSTOM_START + 142,
6372   EL_CUSTOM_START + 143,
6373
6374   EL_CUSTOM_START + 144,
6375   EL_CUSTOM_START + 145,
6376   EL_CUSTOM_START + 146,
6377   EL_CUSTOM_START + 147,
6378
6379   EL_CUSTOM_START + 148,
6380   EL_CUSTOM_START + 149,
6381   EL_CUSTOM_START + 150,
6382   EL_CUSTOM_START + 151,
6383
6384   EL_CUSTOM_START + 152,
6385   EL_CUSTOM_START + 153,
6386   EL_CUSTOM_START + 154,
6387   EL_CUSTOM_START + 155,
6388
6389   EL_CUSTOM_START + 156,
6390   EL_CUSTOM_START + 157,
6391   EL_CUSTOM_START + 158,
6392   EL_CUSTOM_START + 159,
6393
6394   EL_CUSTOM_START + 160,
6395   EL_CUSTOM_START + 161,
6396   EL_CUSTOM_START + 162,
6397   EL_CUSTOM_START + 163,
6398
6399   EL_CUSTOM_START + 164,
6400   EL_CUSTOM_START + 165,
6401   EL_CUSTOM_START + 166,
6402   EL_CUSTOM_START + 167,
6403
6404   EL_CUSTOM_START + 168,
6405   EL_CUSTOM_START + 169,
6406   EL_CUSTOM_START + 170,
6407   EL_CUSTOM_START + 171,
6408
6409   EL_CUSTOM_START + 172,
6410   EL_CUSTOM_START + 173,
6411   EL_CUSTOM_START + 174,
6412   EL_CUSTOM_START + 175,
6413
6414   EL_CUSTOM_START + 176,
6415   EL_CUSTOM_START + 177,
6416   EL_CUSTOM_START + 178,
6417   EL_CUSTOM_START + 179,
6418
6419   EL_CUSTOM_START + 180,
6420   EL_CUSTOM_START + 181,
6421   EL_CUSTOM_START + 182,
6422   EL_CUSTOM_START + 183,
6423
6424   EL_CUSTOM_START + 184,
6425   EL_CUSTOM_START + 185,
6426   EL_CUSTOM_START + 186,
6427   EL_CUSTOM_START + 187,
6428
6429   EL_CUSTOM_START + 188,
6430   EL_CUSTOM_START + 189,
6431   EL_CUSTOM_START + 190,
6432   EL_CUSTOM_START + 191,
6433
6434   EL_CUSTOM_START + 192,
6435   EL_CUSTOM_START + 193,
6436   EL_CUSTOM_START + 194,
6437   EL_CUSTOM_START + 195,
6438
6439   EL_CUSTOM_START + 196,
6440   EL_CUSTOM_START + 197,
6441   EL_CUSTOM_START + 198,
6442   EL_CUSTOM_START + 199,
6443
6444   EL_CUSTOM_START + 200,
6445   EL_CUSTOM_START + 201,
6446   EL_CUSTOM_START + 202,
6447   EL_CUSTOM_START + 203,
6448
6449   EL_CUSTOM_START + 204,
6450   EL_CUSTOM_START + 205,
6451   EL_CUSTOM_START + 206,
6452   EL_CUSTOM_START + 207,
6453
6454   EL_CUSTOM_START + 208,
6455   EL_CUSTOM_START + 209,
6456   EL_CUSTOM_START + 210,
6457   EL_CUSTOM_START + 211,
6458
6459   EL_CUSTOM_START + 212,
6460   EL_CUSTOM_START + 213,
6461   EL_CUSTOM_START + 214,
6462   EL_CUSTOM_START + 215,
6463
6464   EL_CUSTOM_START + 216,
6465   EL_CUSTOM_START + 217,
6466   EL_CUSTOM_START + 218,
6467   EL_CUSTOM_START + 219,
6468
6469   EL_CUSTOM_START + 220,
6470   EL_CUSTOM_START + 221,
6471   EL_CUSTOM_START + 222,
6472   EL_CUSTOM_START + 223,
6473
6474   EL_CUSTOM_START + 224,
6475   EL_CUSTOM_START + 225,
6476   EL_CUSTOM_START + 226,
6477   EL_CUSTOM_START + 227,
6478
6479   EL_CUSTOM_START + 228,
6480   EL_CUSTOM_START + 229,
6481   EL_CUSTOM_START + 230,
6482   EL_CUSTOM_START + 231,
6483
6484   EL_CUSTOM_START + 232,
6485   EL_CUSTOM_START + 233,
6486   EL_CUSTOM_START + 234,
6487   EL_CUSTOM_START + 235,
6488
6489   EL_CUSTOM_START + 236,
6490   EL_CUSTOM_START + 237,
6491   EL_CUSTOM_START + 238,
6492   EL_CUSTOM_START + 239,
6493
6494   EL_CUSTOM_START + 240,
6495   EL_CUSTOM_START + 241,
6496   EL_CUSTOM_START + 242,
6497   EL_CUSTOM_START + 243,
6498
6499   EL_CUSTOM_START + 244,
6500   EL_CUSTOM_START + 245,
6501   EL_CUSTOM_START + 246,
6502   EL_CUSTOM_START + 247,
6503
6504   EL_CUSTOM_START + 248,
6505   EL_CUSTOM_START + 249,
6506   EL_CUSTOM_START + 250,
6507   EL_CUSTOM_START + 251,
6508
6509   EL_CUSTOM_START + 252,
6510   EL_CUSTOM_START + 253,
6511   EL_CUSTOM_START + 254,
6512   EL_CUSTOM_START + 255
6513 };
6514 static int *editor_hl_custom_ptr = editor_hl_custom;
6515 static int *editor_el_custom_ptr = editor_el_custom;
6516 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
6517 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
6518
6519 static int editor_hl_group[] =
6520 {
6521   EL_INTERNAL_CASCADE_GE_ACTIVE,
6522   EL_CHAR('G'),
6523   EL_CHAR('E'),
6524   EL_EMPTY,
6525 };
6526
6527 static int editor_el_group[] =
6528 {
6529   EL_GROUP_START + 0,
6530   EL_GROUP_START + 1,
6531   EL_GROUP_START + 2,
6532   EL_GROUP_START + 3,
6533
6534   EL_GROUP_START + 4,
6535   EL_GROUP_START + 5,
6536   EL_GROUP_START + 6,
6537   EL_GROUP_START + 7,
6538
6539   EL_GROUP_START + 8,
6540   EL_GROUP_START + 9,
6541   EL_GROUP_START + 10,
6542   EL_GROUP_START + 11,
6543
6544   EL_GROUP_START + 12,
6545   EL_GROUP_START + 13,
6546   EL_GROUP_START + 14,
6547   EL_GROUP_START + 15,
6548
6549   EL_GROUP_START + 16,
6550   EL_GROUP_START + 17,
6551   EL_GROUP_START + 18,
6552   EL_GROUP_START + 19,
6553
6554   EL_GROUP_START + 20,
6555   EL_GROUP_START + 21,
6556   EL_GROUP_START + 22,
6557   EL_GROUP_START + 23,
6558
6559   EL_GROUP_START + 24,
6560   EL_GROUP_START + 25,
6561   EL_GROUP_START + 26,
6562   EL_GROUP_START + 27,
6563
6564   EL_GROUP_START + 28,
6565   EL_GROUP_START + 29,
6566   EL_GROUP_START + 30,
6567   EL_GROUP_START + 31
6568 };
6569 static int *editor_hl_group_ptr = editor_hl_group;
6570 static int *editor_el_group_ptr = editor_el_group;
6571 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
6572 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
6573
6574 static int editor_hl_empty_space[] =
6575 {
6576   EL_INTERNAL_CASCADE_ES_ACTIVE,
6577   EL_CHAR('E'),
6578   EL_CHAR('S'),
6579   EL_EMPTY,
6580 };
6581
6582 static int editor_el_empty_space[] =
6583 {
6584   EL_EMPTY_SPACE_1,
6585   EL_EMPTY_SPACE_2,
6586   EL_EMPTY_SPACE_3,
6587   EL_EMPTY_SPACE_4,
6588
6589   EL_EMPTY_SPACE_5,
6590   EL_EMPTY_SPACE_6,
6591   EL_EMPTY_SPACE_7,
6592   EL_EMPTY_SPACE_8,
6593
6594   EL_EMPTY_SPACE_9,
6595   EL_EMPTY_SPACE_10,
6596   EL_EMPTY_SPACE_11,
6597   EL_EMPTY_SPACE_12,
6598
6599   EL_EMPTY_SPACE_13,
6600   EL_EMPTY_SPACE_14,
6601   EL_EMPTY_SPACE_15,
6602   EL_EMPTY_SPACE_16
6603 };
6604 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
6605 static int *editor_el_empty_space_ptr = editor_el_empty_space;
6606 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
6607 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
6608
6609 static int editor_hl_reference[] =
6610 {
6611   EL_INTERNAL_CASCADE_REF_ACTIVE,
6612   EL_CHAR('R'),
6613   EL_CHAR('E'),
6614   EL_CHAR('F')
6615 };
6616
6617 static int editor_el_reference[] =
6618 {
6619   EL_TRIGGER_PLAYER,
6620   EL_TRIGGER_ELEMENT,
6621   EL_TRIGGER_CE_VALUE,
6622   EL_TRIGGER_CE_SCORE,
6623
6624   EL_SELF,
6625   EL_ANY_ELEMENT,
6626   EL_CURRENT_CE_VALUE,
6627   EL_CURRENT_CE_SCORE,
6628
6629   EL_PREV_CE_8,
6630   EL_PREV_CE_7,
6631   EL_PREV_CE_6,
6632   EL_PREV_CE_5,
6633
6634   EL_PREV_CE_4,
6635   EL_PREV_CE_3,
6636   EL_PREV_CE_2,
6637   EL_PREV_CE_1,
6638
6639   EL_NEXT_CE_1,
6640   EL_NEXT_CE_2,
6641   EL_NEXT_CE_3,
6642   EL_NEXT_CE_4,
6643
6644   EL_NEXT_CE_5,
6645   EL_NEXT_CE_6,
6646   EL_NEXT_CE_7,
6647   EL_NEXT_CE_8,
6648 };
6649 static int *editor_hl_reference_ptr = editor_hl_reference;
6650 static int *editor_el_reference_ptr = editor_el_reference;
6651 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6652 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6653
6654 static int editor_hl_user_defined[] =
6655 {
6656   EL_INTERNAL_CASCADE_USER_ACTIVE,
6657   EL_CHAR('M'),
6658   EL_CHAR('Y'),
6659   EL_EMPTY,
6660 };
6661
6662 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6663 static int *editor_el_user_defined_ptr = NULL;
6664 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6665 static int num_editor_el_user_defined = 0;
6666
6667 static int editor_hl_dynamic[] =
6668 {
6669   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6670   EL_CHAR('U'),
6671   EL_CHAR('S'),
6672   EL_CHAR('E'),
6673 };
6674
6675 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6676 static int *editor_el_dynamic_ptr = NULL;
6677 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6678 static int num_editor_el_dynamic = 0;
6679
6680 static int editor_hl_empty[] = { EL_EMPTY };
6681 static int *editor_el_empty = NULL;     // dynamically allocated
6682
6683 static int *editor_hl_empty_ptr = editor_hl_empty;
6684 static int *editor_el_empty_ptr = NULL;
6685 static int num_editor_hl_empty = 0;
6686 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6687
6688 static boolean use_el_empty = FALSE;
6689
6690 static int *editor_elements = NULL;     // dynamically allocated
6691 static int num_editor_elements = 0;     // dynamically determined
6692
6693 static boolean setup_editor_cascade_never = FALSE;
6694
6695 static boolean setup_editor_el_players                  = TRUE;
6696 static boolean setup_editor_el_boulderdash              = TRUE;
6697 static boolean setup_editor_el_boulderdash_native       = TRUE;
6698 static boolean setup_editor_el_boulderdash_effects      = TRUE;
6699 static boolean setup_editor_el_emerald_mine             = TRUE;
6700 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6701 static boolean setup_editor_el_more                     = TRUE;
6702 static boolean setup_editor_el_sokoban                  = TRUE;
6703 static boolean setup_editor_el_supaplex                 = TRUE;
6704 static boolean setup_editor_el_diamond_caves            = TRUE;
6705 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6706 static boolean setup_editor_el_mirror_magic             = TRUE;
6707 static boolean setup_editor_el_deflektor                = TRUE;
6708 static boolean setup_editor_el_chars                    = TRUE;
6709 static boolean setup_editor_el_steel_chars              = TRUE;
6710 static boolean setup_editor_el_custom                   = TRUE;
6711 static boolean setup_editor_el_user_defined             = TRUE;
6712 static boolean setup_editor_el_dynamic                  = TRUE;
6713
6714 static int editor_hl_unused[] = { EL_EMPTY };
6715 static int *editor_hl_unused_ptr = editor_hl_unused;
6716 static int num_editor_hl_unused = 0;
6717
6718 static struct
6719 {
6720   boolean *setup_value;
6721   boolean *setup_cascade_value;
6722
6723   int **headline_list;
6724   int *headline_list_size;
6725
6726   int **element_list;
6727   int *element_list_size;
6728
6729   boolean last_setup_value;
6730 }
6731 editor_elements_info[] =
6732 {
6733   {
6734     &setup_editor_el_players,
6735     &setup_editor_cascade_never,
6736     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6737     &editor_el_players_ptr,             &num_editor_el_players
6738   },
6739   {
6740     &setup_editor_el_boulderdash,
6741     &setup.editor_cascade.el_bd,
6742     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6743     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6744   },
6745   {
6746     &setup_editor_el_boulderdash_native,
6747     &setup.editor_cascade.el_bd_native,
6748     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6749     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6750   },
6751   {
6752     &setup_editor_el_boulderdash_effects,
6753     &setup.editor_cascade.el_bd_effects,
6754     &editor_hl_boulderdash_effects_ptr, &num_editor_hl_boulderdash_effects,
6755     &editor_el_boulderdash_effects_ptr, &num_editor_el_boulderdash_effects
6756   },
6757   {
6758     &setup_editor_el_emerald_mine,
6759     &setup.editor_cascade.el_em,
6760     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6761     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6762   },
6763   {
6764     &setup_editor_el_emerald_mine_club,
6765     &setup.editor_cascade.el_emc,
6766     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6767     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6768   },
6769   {
6770     &setup_editor_el_more,
6771     &setup.editor_cascade.el_rnd,
6772     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6773     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6774   },
6775   {
6776     &setup_editor_el_sokoban,
6777     &setup.editor_cascade.el_sb,
6778     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6779     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6780   },
6781   {
6782     &setup_editor_el_supaplex,
6783     &setup.editor_cascade.el_sp,
6784     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6785     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6786   },
6787   {
6788     &setup_editor_el_diamond_caves,
6789     &setup.editor_cascade.el_dc,
6790     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6791     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6792   },
6793   {
6794     &setup_editor_el_dx_boulderdash,
6795     &setup.editor_cascade.el_dx,
6796     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6797     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6798   },
6799   {
6800     &setup_editor_el_mirror_magic,
6801     &setup.editor_cascade.el_mm,
6802     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6803     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6804   },
6805   {
6806     &setup_editor_el_deflektor,
6807     &setup.editor_cascade.el_df,
6808     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6809     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6810   },
6811   {
6812     &setup_editor_el_chars,
6813     &setup.editor_cascade.el_chars,
6814     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6815     &editor_el_chars_ptr,               &num_editor_el_chars
6816   },
6817   {
6818     &setup_editor_el_steel_chars,
6819     &setup.editor_cascade.el_steel_chars,
6820     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6821     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6822   },
6823   {
6824     &setup_editor_el_custom,
6825     &setup.editor_cascade.el_ce,
6826     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6827     &editor_el_custom_ptr,              &num_editor_el_custom
6828   },
6829   {
6830     &setup_editor_el_custom,
6831     &setup.editor_cascade.el_ge,
6832     &editor_hl_group_ptr,               &num_editor_hl_group,
6833     &editor_el_group_ptr,               &num_editor_el_group
6834   },
6835   {
6836     &setup_editor_el_custom,
6837     &setup.editor_cascade.el_es,
6838     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6839     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6840   },
6841   {
6842     &setup_editor_el_custom,
6843     &setup.editor_cascade.el_ref,
6844     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6845     &editor_el_reference_ptr,           &num_editor_el_reference
6846   },
6847   {
6848     &setup_editor_el_user_defined,
6849     &setup.editor_cascade.el_user,
6850     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6851     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6852   },
6853   {
6854     &setup_editor_el_dynamic,
6855     &setup.editor_cascade.el_dynamic,
6856     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6857     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6858   },
6859   {
6860     &use_el_empty,
6861     &use_el_empty,
6862     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6863     &editor_el_empty_ptr,               &num_editor_el_empty,
6864   },
6865   {
6866     NULL,
6867     NULL,
6868     NULL,                               NULL,
6869     NULL,                               NULL
6870   }
6871 };
6872
6873 static struct XY xy_directions[] =
6874 {
6875   { -1,  0 },
6876   { +1,  0 },
6877   {  0, -1 },
6878   {  0, +1 }
6879 };
6880
6881
6882 // ----------------------------------------------------------------------------
6883 // functions
6884 // ----------------------------------------------------------------------------
6885
6886 static int getMaxInfoTextLength(void)
6887 {
6888   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6889 }
6890
6891 static int getTextWidthForGadget(char *text)
6892 {
6893   if (text == NULL)
6894     return 0;
6895
6896   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6897 }
6898
6899 static int getTextWidthForDrawingArea(char *text)
6900 {
6901   if (text == NULL)
6902     return 0;
6903
6904   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_BORDER_SIZE);
6905 }
6906
6907 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6908 {
6909   return (gi->x + gi->width + getTextWidthForGadget(text));
6910 }
6911
6912 static char *getElementInfoText(int element)
6913 {
6914   char *info_text = NULL;
6915
6916   if (element < MAX_NUM_ELEMENTS)
6917   {
6918     if (strlen(element_info[element].description) > 0)
6919       info_text = element_info[element].description;
6920     else if (element_info[element].custom_description != NULL)
6921       info_text = element_info[element].custom_description;
6922     else if (element_info[element].editor_description != NULL)
6923       info_text = element_info[element].editor_description;
6924   }
6925
6926   if (info_text == NULL)
6927     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6928
6929   return info_text;
6930 }
6931
6932 static char *getElementDescriptionFilenameExt(char *basename)
6933 {
6934   char *elements_subdir = ELEMENTS_DIRECTORY;
6935   static char *elements_subdir2 = NULL;
6936   static char *filename = NULL;
6937
6938   if (elements_subdir2 == NULL)
6939     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6940
6941   checked_free(filename);
6942
6943   // 1st try: look for element description in current level set directory
6944   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6945   if (fileExists(filename))
6946     return filename;
6947
6948   free(filename);
6949
6950   // 2nd try: look for element description in the game's base directory
6951   filename = getPath3(options.docs_directory, elements_subdir, basename);
6952   if (fileExists(filename))
6953     return filename;
6954
6955   return NULL;
6956 }
6957
6958 static char *getElementDescriptionFilename(int element)
6959 {
6960   char basename[MAX_FILENAME_LEN];
6961   char *filename;
6962
6963   // 1st try: look for element description file for exactly this element
6964   sprintf(basename, "%s.txt", element_info[element].token_name);
6965   filename = getElementDescriptionFilenameExt(basename);
6966   if (filename != NULL)
6967     return filename;
6968
6969   // 2nd try: look for element description file for this element's class
6970   sprintf(basename, "%s.txt", element_info[element].class_name);
6971   filename = getElementDescriptionFilenameExt(basename);
6972   if (filename != NULL)
6973     return filename;
6974
6975   // 3rd try: look for generic fallback text file for any element
6976   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6977   if (filename != NULL)
6978     return filename;
6979
6980   return NULL;
6981 }
6982
6983 static boolean suppressBorderElement(void)
6984 {
6985   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6986           lev_fieldx <= MAX_ED_FIELDX &&
6987           lev_fieldy <= MAX_ED_FIELDY);
6988 }
6989
6990 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6991 {
6992   boolean element_found[NUM_FILE_ELEMENTS];
6993   int i, x, y;
6994
6995   // initialize list of used elements to "not used"
6996   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6997     element_found[i] = FALSE;
6998
6999   // find all elements used in current level
7000   for (y = 0; y < lev_fieldy; y++)
7001   {
7002     for (x = 0; x < lev_fieldx; x++)
7003     {
7004       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
7005         continue;
7006
7007       if (IS_MM_WALL(Tile[x][y]))
7008         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
7009       else
7010         element_found[Tile[x][y]] = TRUE;
7011     }
7012   }
7013
7014   *num_elements = 0;
7015
7016   // count number of elements used in current level
7017   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7018     if (element_found[i])
7019       (*num_elements)++;
7020
7021   // add space for up to 3 more elements for padding that may be needed
7022   *num_elements += 3;
7023
7024   // free memory for old list of elements, if needed
7025   checked_free(*elements);
7026
7027   // allocate memory for new list of elements
7028   *elements = checked_malloc(*num_elements * sizeof(int));
7029
7030   *num_elements = 0;
7031
7032   // add all elements used in current level (non-custom/group/empty elements)
7033   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7034     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
7035                               IS_GROUP_ELEMENT(i) ||
7036                               IS_EMPTY_ELEMENT(i)))
7037       (*elements)[(*num_elements)++] = i;
7038
7039   // add all elements used in current level (custom/group/empty elements)
7040   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
7041     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
7042                              IS_GROUP_ELEMENT(i) ||
7043                              IS_EMPTY_ELEMENT(i)))
7044       (*elements)[(*num_elements)++] = i;
7045
7046   while (*num_elements % 4)     // pad with empty elements, if needed
7047     (*elements)[(*num_elements)++] = EL_EMPTY;
7048 }
7049
7050 static void ReinitializeElementList_EnableSections(void)
7051 {
7052   // default: enable all element sections
7053
7054   setup_editor_el_players               = TRUE;
7055   setup_editor_el_boulderdash           = TRUE;
7056   setup_editor_el_boulderdash_native    = TRUE;
7057   setup_editor_el_boulderdash_effects   = TRUE;
7058   setup_editor_el_emerald_mine          = TRUE;
7059   setup_editor_el_emerald_mine_club     = TRUE;
7060   setup_editor_el_more                  = TRUE;
7061   setup_editor_el_sokoban               = TRUE;
7062   setup_editor_el_supaplex              = TRUE;
7063   setup_editor_el_diamond_caves         = TRUE;
7064   setup_editor_el_dx_boulderdash        = TRUE;
7065   setup_editor_el_mirror_magic          = TRUE;
7066   setup_editor_el_deflektor             = TRUE;
7067   setup_editor_el_chars                 = TRUE;
7068   setup_editor_el_steel_chars           = TRUE;
7069
7070   setup_editor_el_custom                = TRUE;
7071   setup_editor_el_user_defined          = TRUE;
7072   setup_editor_el_dynamic               = TRUE;
7073
7074   // now disable all element sections not to be displayed
7075
7076   if (!setup.editor.el_classic)
7077   {
7078     setup_editor_el_players             = FALSE;
7079     setup_editor_el_boulderdash         = FALSE;
7080     setup_editor_el_boulderdash_native  = FALSE;
7081     setup_editor_el_boulderdash_effects = FALSE;
7082     setup_editor_el_emerald_mine        = FALSE;
7083     setup_editor_el_emerald_mine_club   = FALSE;
7084     setup_editor_el_more                = FALSE;
7085     setup_editor_el_sokoban             = FALSE;
7086     setup_editor_el_supaplex            = FALSE;
7087     setup_editor_el_diamond_caves       = FALSE;
7088     setup_editor_el_dx_boulderdash      = FALSE;
7089     setup_editor_el_mirror_magic        = FALSE;
7090     setup_editor_el_deflektor           = FALSE;
7091     setup_editor_el_chars               = FALSE;
7092     setup_editor_el_steel_chars         = FALSE;
7093   }
7094
7095   if (!setup.editor.el_custom)
7096   {
7097     setup_editor_el_custom              = FALSE;
7098   }
7099
7100   if (!setup.editor.el_user_defined)
7101   {
7102     setup_editor_el_user_defined        = FALSE;
7103   }
7104
7105   if (!setup.editor.el_dynamic)
7106   {
7107     setup_editor_el_dynamic             = FALSE;
7108   }
7109
7110   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
7111   {
7112     setup_editor_el_boulderdash_native  = FALSE;
7113     setup_editor_el_boulderdash_effects = FALSE;
7114     setup_editor_el_mirror_magic        = FALSE;
7115     setup_editor_el_deflektor           = FALSE;
7116   }
7117   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
7118   {
7119     setup_editor_el_players             = FALSE;
7120     setup_editor_el_boulderdash         = FALSE;
7121     setup_editor_el_emerald_mine        = FALSE;
7122     setup_editor_el_emerald_mine_club   = FALSE;
7123     setup_editor_el_more                = FALSE;
7124     setup_editor_el_sokoban             = FALSE;
7125     setup_editor_el_supaplex            = FALSE;
7126     setup_editor_el_diamond_caves       = FALSE;
7127     setup_editor_el_dx_boulderdash      = FALSE;
7128     setup_editor_el_mirror_magic        = FALSE;
7129     setup_editor_el_deflektor           = FALSE;
7130     setup_editor_el_chars               = FALSE;
7131     setup_editor_el_steel_chars         = FALSE;
7132
7133     setup_editor_el_custom              = FALSE;
7134   }
7135   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
7136   {
7137     setup_editor_el_boulderdash         = FALSE;
7138     setup_editor_el_boulderdash_native  = FALSE;
7139     setup_editor_el_boulderdash_effects = FALSE;
7140     setup_editor_el_more                = FALSE;
7141     setup_editor_el_sokoban             = FALSE;
7142     setup_editor_el_supaplex            = FALSE;
7143     setup_editor_el_diamond_caves       = FALSE;
7144     setup_editor_el_dx_boulderdash      = FALSE;
7145     setup_editor_el_mirror_magic        = FALSE;
7146     setup_editor_el_deflektor           = FALSE;
7147     setup_editor_el_steel_chars         = FALSE;
7148
7149     setup_editor_el_custom              = FALSE;
7150   }
7151   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
7152   {
7153     setup_editor_el_players             = FALSE;
7154     setup_editor_el_boulderdash         = FALSE;
7155     setup_editor_el_boulderdash_native  = FALSE;
7156     setup_editor_el_boulderdash_effects = FALSE;
7157     setup_editor_el_emerald_mine        = FALSE;
7158     setup_editor_el_emerald_mine_club   = FALSE;
7159     setup_editor_el_more                = FALSE;
7160     setup_editor_el_sokoban             = FALSE;
7161     setup_editor_el_diamond_caves       = FALSE;
7162     setup_editor_el_dx_boulderdash      = FALSE;
7163     setup_editor_el_mirror_magic        = FALSE;
7164     setup_editor_el_deflektor           = FALSE;
7165     setup_editor_el_chars               = FALSE;
7166     setup_editor_el_steel_chars         = FALSE;
7167
7168     setup_editor_el_custom              = FALSE;
7169   }
7170   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
7171   {
7172     setup_editor_el_players             = FALSE;
7173     setup_editor_el_boulderdash         = FALSE;
7174     setup_editor_el_boulderdash_native  = FALSE;
7175     setup_editor_el_boulderdash_effects = FALSE;
7176     setup_editor_el_emerald_mine        = FALSE;
7177     setup_editor_el_emerald_mine_club   = FALSE;
7178     setup_editor_el_more                = FALSE;
7179     setup_editor_el_sokoban             = FALSE;
7180     setup_editor_el_supaplex            = FALSE;
7181     setup_editor_el_diamond_caves       = FALSE;
7182     setup_editor_el_dx_boulderdash      = FALSE;
7183     setup_editor_el_steel_chars         = FALSE;
7184
7185     setup_editor_el_custom              = FALSE;
7186   }
7187 }
7188
7189 static void ReinitializeElementList(void)
7190 {
7191   static boolean initialization_needed = TRUE;
7192   int pos = 0;
7193   int i, j;
7194
7195   ReinitializeElementList_EnableSections();
7196
7197   if (initialization_needed)
7198   {
7199     LoadSetup_EditorCascade();          // load last editor cascade state
7200
7201     // initialize editor cascade element from saved cascade state
7202     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7203     {
7204       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
7205       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
7206
7207       if (IS_EDITOR_CASCADE(*cascade_element))
7208         *cascade_element =
7209           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
7210            EL_CASCADE_INACTIVE(*cascade_element));
7211     }
7212
7213     initialization_needed = FALSE;
7214   }
7215
7216   checked_free(editor_elements);
7217
7218   // reload optional user defined element list for each invocation of editor
7219   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
7220                                    &num_editor_el_user_defined);
7221
7222   // initialize dynamic level element list for each invocation of editor
7223   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
7224                                &num_editor_el_dynamic);
7225
7226   // initialize list of empty elements (used for padding, if needed)
7227   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7228     editor_el_empty[i] = EL_EMPTY;
7229
7230   // do some sanity checks for each element from element list
7231   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7232   {
7233     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7234     {
7235       int element = (*editor_elements_info[i].element_list)[j];
7236
7237       if (element >= NUM_FILE_ELEMENTS)
7238         Warn("editor element %d is runtime element", element);
7239
7240       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
7241         Warn("no element description text for element %d", element);
7242     }
7243   }
7244
7245   num_editor_elements = 0;
7246   use_el_empty = FALSE;
7247
7248   // determine size of element list
7249   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7250   {
7251     if (*editor_elements_info[i].setup_value)
7252     {
7253       boolean found_inactive_cascade = FALSE;
7254
7255       if (setup.editor.el_headlines)
7256       {
7257         // required for correct padding of palette headline buttons
7258         if (*editor_elements_info[i].headline_list_size > 0)
7259           num_editor_elements += ED_ELEMENTLIST_COLS;
7260
7261         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7262         {
7263           int element = (*editor_elements_info[i].headline_list)[j];
7264
7265           if (IS_EDITOR_CASCADE_INACTIVE(element))
7266             found_inactive_cascade = TRUE;
7267         }
7268       }
7269
7270       if (found_inactive_cascade)
7271         continue;
7272
7273       // required for correct padding of palette element buttons
7274       int element_list_size = *editor_elements_info[i].element_list_size;
7275       int element_rows =
7276         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7277       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7278
7279       num_editor_elements += element_buttons;
7280     }
7281   }
7282
7283   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
7284   {
7285     // offer at least as many elements as element buttons exist
7286     use_el_empty = TRUE;
7287     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
7288
7289     num_editor_elements += num_editor_el_empty;
7290   }
7291   else
7292   {
7293     num_editor_el_empty = 0;
7294   }
7295
7296   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
7297
7298   // fill element list
7299   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7300   {
7301     boolean found_inactive_cascade = FALSE;
7302
7303     if (*editor_elements_info[i].setup_value)
7304     {
7305       if (setup.editor.el_headlines)
7306       {
7307         // required for correct padding of palette headline buttons
7308         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
7309                              ED_ELEMENTLIST_COLS : 0);
7310
7311         for (j = 0; j < headline_size; j++)
7312         {
7313           // use empty elements for padding of palette headline buttons
7314           int element = (j < *editor_elements_info[i].headline_list_size ?
7315                          (*editor_elements_info[i].headline_list)[j] :
7316                          editor_el_empty[0]);
7317
7318           editor_elements[pos++] = element;
7319
7320           if (IS_EDITOR_CASCADE_INACTIVE(element))
7321             found_inactive_cascade = TRUE;
7322         }
7323       }
7324
7325       if (found_inactive_cascade)
7326         continue;
7327
7328       // required for correct padding of palette element buttons
7329       int element_list_size = *editor_elements_info[i].element_list_size;
7330       int element_rows =
7331         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
7332       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
7333
7334       // copy all elements from element list
7335       for (j = 0; j < element_list_size; j++)
7336         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
7337
7338       // use empty elements for padding of palette element buttons
7339       for (j = 0; j < element_buttons - element_list_size; j++)
7340         editor_elements[pos++] = editor_el_empty[0];
7341     }
7342   }
7343
7344   // (this function is also called before editor gadgets are initialized!)
7345   AdjustElementListScrollbar();
7346 }
7347
7348 void PrintEditorElementList(void)
7349 {
7350   boolean *stop = &setup_editor_el_user_defined;
7351   int i, j;
7352
7353   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
7354   {
7355     int cascade_element = (*editor_elements_info[i].headline_list)[0];
7356
7357     if (IS_EDITOR_CASCADE(cascade_element))
7358     {
7359       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
7360       char *headline = element_info[cascade_element_show].editor_description;
7361
7362       PrintLineWithPrefix("# ", "-", 77);
7363       Print("# %s\n", headline);
7364       PrintLineWithPrefix("# ", "-", 77);
7365     }
7366
7367     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
7368     {
7369       int element = (*editor_elements_info[i].headline_list)[j];
7370
7371       if (IS_EDITOR_CASCADE(element))
7372         element = EL_CHAR_MINUS;
7373
7374       Print("# %s\n", element_info[element].token_name);
7375     }
7376
7377     if (j > 0)
7378       Print("#\n");
7379
7380     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
7381     {
7382       int element = (*editor_elements_info[i].element_list)[j];
7383
7384       Print("# %s\n", element_info[element].token_name);
7385     }
7386
7387     if (j > 0)
7388       Print("#\n");
7389   }
7390 }
7391
7392 static void ReinitializeElementListButtons(void)
7393 {
7394   static boolean last_setup_value_headlines = FALSE;
7395   static boolean initialization_needed = TRUE;
7396   int i;
7397
7398   if (!initialization_needed)   // check if editor element setup has changed
7399   {
7400     if (last_setup_value_headlines != setup.editor.el_headlines)
7401       initialization_needed = TRUE;
7402
7403     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7404       if (editor_elements_info[i].last_setup_value !=
7405           *editor_elements_info[i].setup_value)
7406         initialization_needed = TRUE;
7407   }
7408
7409   if (!initialization_needed)
7410     return;
7411
7412   FreeLevelEditorGadgets();
7413   CreateLevelEditorGadgets();
7414
7415   // store current setup values for next invocation of this function
7416   last_setup_value_headlines = setup.editor.el_headlines;
7417   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
7418     editor_elements_info[i].last_setup_value =
7419       *editor_elements_info[i].setup_value;
7420
7421   initialization_needed = FALSE;
7422 }
7423
7424 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
7425                               boolean input)
7426 {
7427   int border_graphic =
7428     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
7429   struct GraphicInfo *g = &graphic_info[border_graphic];
7430   Bitmap *src_bitmap = g->bitmap;
7431   int src_x = g->src_x;
7432   int src_y = g->src_y;
7433   int border_size = g->border_size;
7434   int border_xpos = g->width  - border_size;
7435   int border_ypos = g->height - border_size;
7436   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7437   int i;
7438
7439   BlitBitmap(src_bitmap, drawto, src_x, src_y,
7440              border_size, border_size,
7441              dest_x - border_size, dest_y - border_size);
7442   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
7443              border_size, border_size,
7444              dest_x + width, dest_y - border_size);
7445   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
7446              border_size, border_size,
7447              dest_x - border_size, dest_y + height);
7448   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
7449              border_size, border_size,
7450              dest_x + width, dest_y + height);
7451
7452   for (i = 0; i < width / tilesize; i++)
7453   {
7454     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
7455                tilesize, border_size,
7456                dest_x + i * tilesize, dest_y - border_size);
7457     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
7458                tilesize, border_size,
7459                dest_x + i * tilesize, dest_y + height);
7460   }
7461
7462   for (i = 0; i < height / tilesize; i++)
7463   {
7464     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
7465                border_size, tilesize,
7466                dest_x - border_size, dest_y + i * tilesize);
7467     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
7468                border_size, tilesize,
7469                dest_x + width, dest_y + i * tilesize);
7470   }
7471
7472   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
7473 }
7474
7475 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
7476 {
7477   int xsize_tile = MAX(ed_tilesize, xsize);
7478   int ysize_tile = MAX(ed_tilesize, ysize);
7479   int xsize_full = xsize + 1;
7480   int ysize_full = ysize + 1;
7481   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
7482   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
7483   Pixel line_color = getTabulatorBarColor();
7484
7485   if (line_color == BLACK_PIXEL)                // black => transparent
7486     return;
7487
7488   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
7489   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
7490   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
7491 }
7492
7493 static void DrawEditorLevelBorderLinesIfNeeded(void)
7494 {
7495   int xsize = lev_fieldx * ed_tilesize;
7496   int ysize = lev_fieldy * ed_tilesize;
7497   int line_size = getTabulatorBarHeight();
7498
7499   if (!suppressBorderElement())
7500     return;
7501
7502   // draw little border line around editable level playfield
7503
7504   if (xsize < SXSIZE)
7505     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
7506
7507   if (ysize < SYSIZE)
7508     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
7509
7510   if (xsize < SXSIZE && ysize < SYSIZE)
7511     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
7512 }
7513
7514 static void DrawEditorElement(int x, int y, int element)
7515 {
7516   DrawSizedElement(x, y, element, ed_tilesize);
7517 }
7518
7519 static void DrawEditorElementThruMask(int x, int y, int element)
7520 {
7521   DrawSizedElementThruMask(x, y, element, ed_tilesize);
7522 }
7523
7524 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
7525 {
7526   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
7527 }
7528
7529 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
7530 {
7531   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
7532   DrawEditorLevelBorderLinesIfNeeded();
7533 }
7534
7535 static void DrawDrawingArea(int id)
7536 {
7537   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
7538   int x, y;
7539
7540   int *value = drawingarea_info[id].value;
7541   int area_xsize = drawingarea_info[id].area_xsize;
7542   int area_ysize = drawingarea_info[id].area_ysize;
7543   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
7544
7545   for (x = 0; x < area_xsize; x++)
7546   {
7547     for (y = 0; y < area_ysize; y++)
7548     {
7549       int element = value[x * area_ysize + y];
7550       int graphic;
7551       int frame;
7552
7553       getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7554
7555       DrawSizedGraphicExt(drawto,
7556                           gi->x + x * tilesize,
7557                           gi->y + y * tilesize,
7558                           graphic, frame, tilesize);
7559     }
7560   }
7561 }
7562
7563 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
7564 {
7565   int x, y;
7566   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
7567   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
7568
7569   BlitBitmap(drawto, drawto,
7570              SX + (dx == -1 ? ed_tilesize : 0),
7571              SY + (dy == -1 ? ed_tilesize : 0),
7572              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
7573              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
7574              SX + (dx == +1 ? ed_tilesize : 0),
7575              SY + (dy == +1 ? ed_tilesize : 0));
7576
7577   if (dx)
7578   {
7579     x = (dx == 1 ? 0 : ed_fieldx - 1);
7580     for (y = 0; y < ed_fieldy; y++)
7581       DrawEditorElementOrWall(x, y, from_x, from_y);
7582   }
7583   else if (dy)
7584   {
7585     y = (dy == 1 ? 0 : ed_fieldy - 1);
7586     for (x = 0; x < ed_fieldx; x++)
7587       DrawEditorElementOrWall(x, y, from_x, from_y);
7588   }
7589
7590   redraw_mask |= REDRAW_FIELD;
7591   BackToFront();
7592 }
7593
7594 static void getEditorGraphicAndFrame(int element, int *graphic, int *frame, boolean use_editor_gfx)
7595 {
7596   if (use_editor_gfx)
7597   {
7598     *graphic = el2edimg(element);
7599     *frame = 0;
7600   }
7601   else
7602   {
7603     *graphic = el2img(element);
7604     *frame = (ANIM_MODE(*graphic) == ANIM_CE_VALUE ?
7605               custom_element.ce_value_fixed_initial :
7606               ANIM_MODE(*graphic) == ANIM_CE_SCORE ?
7607               custom_element.collect_score_initial : FrameCounter);
7608   }
7609
7610   if (*graphic == IMG_UNKNOWN)
7611   {
7612     // no graphic defined -- if BD style, try to get runtime ("effect") element graphics
7613     // (normal BD style elements have graphics, but runtime ("effects") elements do not)
7614     int element_bd = map_element_RND_to_BD_cave(element);
7615
7616     if (element_bd != O_UNKNOWN)
7617     {
7618       struct GraphicInfo_BD *g_bd = &graphic_info_bd_object[element_bd][0];
7619
7620       *graphic = g_bd->graphic;
7621       *frame   = g_bd->frame;
7622     }
7623   }
7624 }
7625
7626 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
7627                                    int *x, int *y)
7628 {
7629   int graphic;
7630   int frame;
7631
7632   getEditorGraphicAndFrame(element, &graphic, &frame, TRUE);
7633
7634   getSizedGraphicSource(graphic, frame, tile_size, bitmap, x, y);
7635 }
7636
7637 static void CreateControlButtons(void)
7638 {
7639   struct GadgetInfo *gi;
7640   int i;
7641
7642   // create toolbox buttons
7643   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
7644   {
7645     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
7646     int id = controlbutton_info[i].gadget_id;
7647     int type = controlbutton_info[i].gadget_type;
7648     int graphic = controlbutton_info[i].graphic;
7649     struct XYTileSize *pos = controlbutton_info[i].pos;
7650     struct GraphicInfo *gd = &graphic_info[graphic];
7651     Bitmap *deco_bitmap = NULL;
7652     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
7653     int tile_size = 0, deco_shift = 0;
7654     boolean deco_masked = FALSE;
7655     int gd_x1 = gd->src_x;
7656     int gd_y1 = gd->src_y;
7657     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7658     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7659     int gd_x1a = gd->src_x + gd->active_xoffset;
7660     int gd_y1a = gd->src_y + gd->active_yoffset;
7661     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7662     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7663     int x = pos->x;
7664     int y = pos->y;
7665     unsigned int event_mask;
7666     int radio_button_nr = RADIO_NR_NONE;
7667     boolean checked = FALSE;
7668
7669     if (type_id != i)
7670       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
7671
7672     if (type == GD_TYPE_RADIO_BUTTON)
7673     {
7674       event_mask = GD_EVENT_PRESSED;
7675       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
7676
7677       if (id == drawing_function)
7678         checked = TRUE;
7679     }
7680     else
7681     {
7682       if (id == GADGET_ID_WRAP_LEFT ||
7683           id == GADGET_ID_WRAP_RIGHT ||
7684           id == GADGET_ID_WRAP_UP ||
7685           id == GADGET_ID_WRAP_DOWN)
7686         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7687       else
7688         event_mask = GD_EVENT_RELEASED;
7689     }
7690
7691     if (id == GADGET_ID_PROPERTIES ||
7692         id == GADGET_ID_PALETTE)
7693     {
7694       x += DX;
7695       y += DY;
7696     }
7697     else if (id == GADGET_ID_ELEMENT_LEFT ||
7698              id == GADGET_ID_ELEMENT_MIDDLE ||
7699              id == GADGET_ID_ELEMENT_RIGHT)
7700     {
7701       x += DX;
7702       y += DY;
7703
7704       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
7705                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
7706                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
7707
7708       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
7709                                    editor.button.element_left.tile_size :
7710                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7711                                    editor.button.element_middle.tile_size :
7712                                    id == GADGET_ID_ELEMENT_RIGHT ?
7713                                    editor.button.element_right.tile_size : 0);
7714
7715       // make sure that decoration does not overlap gadget border
7716       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7717
7718       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7719
7720       deco_xpos = (gd->width  - tile_size) / 2;
7721       deco_ypos = (gd->height - tile_size) / 2;
7722       deco_shift = 1;
7723       deco_masked = gd->draw_masked;
7724     }
7725     else
7726     {
7727       x += EX;
7728       y += EY;
7729     }
7730
7731     gi = CreateGadget(GDI_CUSTOM_ID, id,
7732                       GDI_CUSTOM_TYPE_ID, type_id,
7733                       GDI_IMAGE_ID, graphic,
7734                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7735                       GDI_X, x,
7736                       GDI_Y, y,
7737                       GDI_WIDTH, gd->width,
7738                       GDI_HEIGHT, gd->height,
7739                       GDI_TYPE, type,
7740                       GDI_STATE, GD_BUTTON_UNPRESSED,
7741                       GDI_RADIO_NR, radio_button_nr,
7742                       GDI_CHECKED, checked,
7743                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7744                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7745                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7746                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7747                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7748                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7749                       GDI_DECORATION_SIZE, tile_size, tile_size,
7750                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7751                       GDI_DECORATION_MASKED, deco_masked,
7752                       GDI_EVENT_MASK, event_mask,
7753                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7754                       GDI_CALLBACK_ACTION, HandleControlButtons,
7755                       GDI_END);
7756
7757     if (gi == NULL)
7758       Fail("cannot create gadget");
7759
7760     level_editor_gadget[id] = gi;
7761   }
7762
7763   // these values are not constant, but can change at runtime
7764   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7765   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7766   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7767   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7768   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7769   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7770   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7771   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7772   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7773   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7774   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7775   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7776
7777   // create buttons for scrolling of drawing area and element list
7778   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7779   {
7780     int id = scrollbutton_info[i].gadget_id;
7781     int type_id = scrollbutton_info[i].gadget_type_id;
7782     int graphic = scrollbutton_info[i].graphic;
7783     struct GraphicInfo *gd = &graphic_info[graphic];
7784     Bitmap *gd_bitmap = gd->bitmap;
7785     int gd_x1 = gd->src_x;
7786     int gd_y1 = gd->src_y;
7787     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7788     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7789     int width  = gd->width;
7790     int height = gd->height;
7791     int x = scrollbutton_pos[i].x;
7792     int y = scrollbutton_pos[i].y;
7793     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7794
7795     if (type_id != i)
7796       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7797
7798     if (id == GADGET_ID_SCROLL_LIST_UP ||
7799         id == GADGET_ID_SCROLL_LIST_DOWN)
7800     {
7801       x += PX;
7802       y += PY;
7803     }
7804     else
7805     {
7806       x += SX;
7807       y += SY;
7808     }
7809
7810     gi = CreateGadget(GDI_CUSTOM_ID, id,
7811                       GDI_CUSTOM_TYPE_ID, type_id,
7812                       GDI_IMAGE_ID, graphic,
7813                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7814                       GDI_X, x,
7815                       GDI_Y, y,
7816                       GDI_WIDTH, width,
7817                       GDI_HEIGHT, height,
7818                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7819                       GDI_STATE, GD_BUTTON_UNPRESSED,
7820                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7821                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7822                       GDI_EVENT_MASK, event_mask,
7823                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7824                       GDI_CALLBACK_ACTION, HandleControlButtons,
7825                       GDI_END);
7826
7827     if (gi == NULL)
7828       Fail("cannot create gadget");
7829
7830     level_editor_gadget[id] = gi;
7831   }
7832
7833   // create buttons for element list
7834   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7835   {
7836     int type_id = i;
7837     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7838     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7839     struct GraphicInfo *gd = &graphic_info[graphic];
7840     Bitmap *gd_bitmap = gd->bitmap;
7841     Bitmap *deco_bitmap;
7842     int deco_x, deco_y, deco_xpos, deco_ypos;
7843     int gd_x1 = gd->src_x;
7844     int gd_y1 = gd->src_y;
7845     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7846     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7847     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7848     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7849     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7850     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7851     int element = editor_elements[i];
7852     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7853     unsigned int event_mask = GD_EVENT_RELEASED;
7854
7855     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7856
7857     deco_xpos = (gd->width  - tile_size) / 2;
7858     deco_ypos = (gd->height - tile_size) / 2;
7859
7860     gi = CreateGadget(GDI_CUSTOM_ID, id,
7861                       GDI_CUSTOM_TYPE_ID, type_id,
7862                       GDI_IMAGE_ID, graphic,
7863                       GDI_INFO_TEXT, getElementInfoText(element),
7864                       GDI_X, x,
7865                       GDI_Y, y,
7866                       GDI_WIDTH, gd->width,
7867                       GDI_HEIGHT, gd->height,
7868                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7869                       GDI_STATE, GD_BUTTON_UNPRESSED,
7870                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7871                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7872                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7873                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7874                       GDI_DECORATION_SIZE, tile_size, tile_size,
7875                       GDI_DECORATION_SHIFTING, 1, 1,
7876                       GDI_EVENT_MASK, event_mask,
7877                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7878                       GDI_CALLBACK_ACTION, HandleControlButtons,
7879                       GDI_END);
7880
7881     if (gi == NULL)
7882       Fail("cannot create gadget");
7883
7884     level_editor_gadget[id] = gi;
7885   }
7886 }
7887
7888 static void CreateCounterButtons(void)
7889 {
7890   int max_infotext_len = getMaxInfoTextLength();
7891   int i;
7892
7893   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7894   {
7895     int type_id = counterbutton_info[i].gadget_type_id;
7896     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7897     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7898     int j;
7899
7900     if (type_id != i)
7901       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7902
7903     // determine horizontal position to the right of specified gadget
7904     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7905       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7906            ED_GADGET_TEXT_DISTANCE);
7907
7908     // determine horizontal offset for leading text
7909     if (counterbutton_info[i].text_left != NULL)
7910       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7911
7912     for (j = 0; j < 2; j++)
7913     {
7914       struct GadgetInfo *gi;
7915       int id = (j == 0 ?
7916                 counterbutton_info[i].gadget_id_down :
7917                 counterbutton_info[i].gadget_id_up);
7918       int graphic;
7919       struct GraphicInfo *gd;
7920       int gd_x1, gd_x2, gd_y1, gd_y2;
7921       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7922       char infotext[max_infotext_len + 1];
7923
7924       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7925       {
7926         graphic = (j == 0 ?
7927                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7928                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7929
7930         event_mask |= GD_EVENT_RELEASED;
7931
7932         if (j == 0)
7933         {
7934           x = DX + editor.button.prev_level.x;
7935           y = DY + editor.button.prev_level.y;
7936         }
7937         else
7938         {
7939           x = DX + editor.button.next_level.x;
7940           y = DY + editor.button.next_level.y;
7941         }
7942       }
7943       else
7944       {
7945         graphic = (j == 0 ?
7946                    IMG_EDITOR_COUNTER_DOWN :
7947                    IMG_EDITOR_COUNTER_UP);
7948       }
7949
7950       gd = &graphic_info[graphic];
7951
7952       gd_x1 = gd->src_x;
7953       gd_y1 = gd->src_y;
7954       gd_x2 = gd->src_x + gd->pressed_xoffset;
7955       gd_y2 = gd->src_y + gd->pressed_yoffset;
7956
7957       sprintf(infotext, "%s counter value by 1, 5 or 10",
7958               (j == 0 ? "Decrease" : "Increase"));
7959
7960       gi = CreateGadget(GDI_CUSTOM_ID, id,
7961                         GDI_CUSTOM_TYPE_ID, type_id,
7962                         GDI_IMAGE_ID, graphic,
7963                         GDI_INFO_TEXT, infotext,
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_EVENT_MASK, event_mask,
7973                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7974                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7975                         GDI_END);
7976
7977       if (gi == NULL)
7978         Fail("cannot create gadget");
7979
7980       level_editor_gadget[id] = gi;
7981       right_gadget_border[id] =
7982         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7983
7984       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7985
7986       if (j == 0)
7987       {
7988         int font_type = FONT_INPUT_1;
7989         int font_type_active = FONT_INPUT_1_ACTIVE;
7990
7991         id = counterbutton_info[i].gadget_id_text;
7992
7993         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7994
7995         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7996         {
7997           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7998
7999           font_type = FONT_LEVEL_NUMBER;
8000           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
8001
8002           x = DX + editor.input.level_number.x;
8003           y = DY + editor.input.level_number.y;
8004         }
8005         else
8006         {
8007           graphic = IMG_EDITOR_COUNTER_INPUT;
8008         }
8009
8010         gd = &graphic_info[graphic];
8011
8012         gd_x1 = gd->src_x;
8013         gd_y1 = gd->src_y;
8014         gd_x2 = gd->src_x + gd->active_xoffset;
8015         gd_y2 = gd->src_y + gd->active_yoffset;
8016
8017         gi = CreateGadget(GDI_CUSTOM_ID, id,
8018                           GDI_CUSTOM_TYPE_ID, type_id,
8019                           GDI_IMAGE_ID, graphic,
8020                           GDI_INFO_TEXT, "Enter counter value",
8021                           GDI_X, x,
8022                           GDI_Y, y,
8023                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
8024                           GDI_NUMBER_VALUE, 0,
8025                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
8026                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
8027                           GDI_TEXT_SIZE, 3,     // minimal counter text size
8028                           GDI_TEXT_FONT, font_type,
8029                           GDI_TEXT_FONT_ACTIVE, font_type_active,
8030                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8031                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8032                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8033                           GDI_DESIGN_WIDTH, gd->width,
8034                           GDI_EVENT_MASK, event_mask,
8035                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8036                           GDI_CALLBACK_ACTION, HandleCounterButtons,
8037                           GDI_END);
8038
8039         if (gi == NULL)
8040           Fail("cannot create gadget");
8041
8042         level_editor_gadget[id] = gi;
8043         right_gadget_border[id] =
8044           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
8045
8046         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
8047       }
8048     }
8049   }
8050 }
8051
8052 static void CreateDrawingAreas(void)
8053 {
8054   int i;
8055
8056   // these values are not constant, but can change at runtime
8057   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
8058   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
8059
8060   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
8061   {
8062     struct GadgetInfo *gi;
8063     int id = drawingarea_info[i].gadget_id;
8064     int type_id = drawingarea_info[i].gadget_type_id;
8065     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
8066     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
8067     int area_xsize = drawingarea_info[i].area_xsize;
8068     int area_ysize = drawingarea_info[i].area_ysize;
8069     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
8070                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
8071     unsigned int event_mask =
8072       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
8073       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
8074
8075     if (type_id != i)
8076       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
8077
8078     // determine horizontal position to the right of specified gadget
8079     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
8080       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
8081            ED_DRAWINGAREA_TEXT_DISTANCE);
8082
8083     // determine horizontal offset for leading text
8084     if (drawingarea_info[i].text_left != NULL)
8085       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
8086
8087     gi = CreateGadget(GDI_CUSTOM_ID, id,
8088                       GDI_CUSTOM_TYPE_ID, type_id,
8089                       GDI_X, x,
8090                       GDI_Y, y,
8091                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
8092                       GDI_AREA_SIZE, area_xsize, area_ysize,
8093                       GDI_ITEM_SIZE, item_size, item_size,
8094                       GDI_EVENT_MASK, event_mask,
8095                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
8096                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
8097                       GDI_END);
8098
8099     if (gi == NULL)
8100       Fail("cannot create gadget");
8101
8102     level_editor_gadget[id] = gi;
8103     right_gadget_border[id] =
8104       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
8105   }
8106 }
8107
8108 static void CreateTextInputGadgets(void)
8109 {
8110   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
8111   int max_infotext_len = getMaxInfoTextLength();
8112   int i;
8113
8114   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
8115   {
8116     int gd_x1 = gd->src_x;
8117     int gd_y1 = gd->src_y;
8118     int gd_x2 = gd->src_x + gd->active_xoffset;
8119     int gd_y2 = gd->src_y + gd->active_yoffset;
8120     struct GadgetInfo *gi;
8121     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8122     char infotext[MAX_OUTPUT_LINESIZE + 1];
8123     int id = textinput_info[i].gadget_id;
8124     int type_id = textinput_info[i].gadget_type_id;
8125     int x, y;
8126
8127     if (type_id != i)
8128       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
8129
8130     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
8131     {
8132       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
8133       int border_size = gd->border_size;
8134       int font_nr = FONT_INPUT_1;
8135       int font_height = getFontHeight(font_nr);
8136       int xoffset = element_border + TILEX + element_border + 3 * border_size;
8137       int yoffset = element_border + (TILEY - font_height) / 2;
8138
8139       x = (editor.settings.element_name.x != -1 ?
8140            editor.settings.element_name.x :
8141            editor.settings.element_graphic.x + xoffset) - border_size;
8142       y = (editor.settings.element_name.y != -1 ?
8143            editor.settings.element_name.y :
8144            editor.settings.element_graphic.y + yoffset) - border_size;
8145     }
8146     else
8147     {
8148       x = ED_SETTINGS_X(textinput_info[i].x);
8149       y = ED_SETTINGS_Y(textinput_info[i].y);
8150     }
8151
8152     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
8153     infotext[max_infotext_len] = '\0';
8154
8155     gi = CreateGadget(GDI_CUSTOM_ID, id,
8156                       GDI_CUSTOM_TYPE_ID, type_id,
8157                       GDI_INFO_TEXT, infotext,
8158                       GDI_X, SX + x,
8159                       GDI_Y, SY + y,
8160                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
8161                       GDI_TEXT_VALUE, textinput_info[i].value,
8162                       GDI_TEXT_SIZE, textinput_info[i].size,
8163                       GDI_TEXT_FONT, FONT_INPUT_1,
8164                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8165                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8166                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8167                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8168                       GDI_DESIGN_WIDTH, gd->width,
8169                       GDI_EVENT_MASK, event_mask,
8170                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8171                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
8172                       GDI_END);
8173
8174     if (gi == NULL)
8175       Fail("cannot create gadget");
8176
8177     level_editor_gadget[id] = gi;
8178   }
8179 }
8180
8181 static void CreateTextAreaGadgets(void)
8182 {
8183   int max_infotext_len = getMaxInfoTextLength();
8184   int i;
8185
8186   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
8187   {
8188     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
8189     int gd_x1 = gd->src_x;
8190     int gd_y1 = gd->src_y;
8191     int gd_x2 = gd->src_x + gd->active_xoffset;
8192     int gd_y2 = gd->src_y + gd->active_yoffset;
8193     struct GadgetInfo *gi;
8194     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
8195     char infotext[MAX_OUTPUT_LINESIZE + 1];
8196     int id = textarea_info[i].gadget_id;
8197     int type_id = textarea_info[i].gadget_type_id;
8198     int area_xsize = textarea_info[i].xsize;
8199     int area_ysize = textarea_info[i].ysize;
8200
8201     if (type_id != i)
8202       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
8203
8204     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
8205     infotext[max_infotext_len] = '\0';
8206
8207     gi = CreateGadget(GDI_CUSTOM_ID, id,
8208                       GDI_CUSTOM_TYPE_ID, type_id,
8209                       GDI_INFO_TEXT, infotext,
8210                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
8211                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
8212                       GDI_TYPE, GD_TYPE_TEXT_AREA,
8213                       GDI_AREA_SIZE, area_xsize, area_ysize,
8214                       GDI_TEXT_FONT, FONT_INPUT_1,
8215                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8216                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8217                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8218                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8219                       GDI_DESIGN_WIDTH, gd->width,
8220                       GDI_EVENT_MASK, event_mask,
8221                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8222                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
8223                       GDI_END);
8224
8225     if (gi == NULL)
8226       Fail("cannot create gadget");
8227
8228     level_editor_gadget[id] = gi;
8229   }
8230 }
8231
8232 static void CreateSelectboxGadgets(void)
8233 {
8234   int max_infotext_len = getMaxInfoTextLength();
8235
8236   int i, j;
8237
8238   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8239   {
8240     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
8241     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
8242     int gd_x1 = gd->src_x;
8243     int gd_y1 = gd->src_y;
8244     int gd_x2 = gd->src_x + gd->active_xoffset;
8245     int gd_y2 = gd->src_y + gd->active_yoffset;
8246     int selectbox_button_xsize = gd2->width;
8247     struct GadgetInfo *gi;
8248     char infotext[MAX_OUTPUT_LINESIZE + 1];
8249     int id = selectbox_info[i].gadget_id;
8250     int type_id = selectbox_info[i].gadget_type_id;
8251     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
8252     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
8253     unsigned int event_mask =
8254       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
8255
8256     if (type_id != i)
8257       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
8258
8259     if (selectbox_info[i].size == -1)   // dynamically determine size
8260     {
8261       // (we cannot use -1 for uninitialized values if we directly compare
8262       // with results from strlen(), because the '<' and '>' operation will
8263       // implicitely cast -1 to an unsigned integer value!)
8264       selectbox_info[i].size = 0;
8265
8266       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
8267         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
8268           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
8269
8270       selectbox_info[i].size++;         // add one character empty space
8271     }
8272
8273     // determine horizontal position to the right of specified gadget
8274     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
8275       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
8276            ED_GADGET_TEXT_DISTANCE);
8277
8278     // determine horizontal offset for leading text
8279     if (selectbox_info[i].text_left != NULL)
8280       x += getTextWidthForGadget(selectbox_info[i].text_left);
8281
8282     sprintf(infotext, "%s", selectbox_info[i].infotext);
8283     infotext[max_infotext_len] = '\0';
8284
8285     gi = CreateGadget(GDI_CUSTOM_ID, id,
8286                       GDI_CUSTOM_TYPE_ID, type_id,
8287                       GDI_INFO_TEXT, infotext,
8288                       GDI_X, x,
8289                       GDI_Y, y,
8290                       GDI_TYPE, GD_TYPE_SELECTBOX,
8291                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
8292                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
8293                       GDI_TEXT_SIZE, selectbox_info[i].size,
8294                       GDI_TEXT_FONT, FONT_INPUT_1,
8295                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
8296                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
8297                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8298                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8299                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8300                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
8301                       GDI_DESIGN_WIDTH, gd->width,
8302                       GDI_EVENT_MASK, event_mask,
8303                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8304                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
8305                       GDI_END);
8306
8307     if (gi == NULL)
8308       Fail("cannot create gadget");
8309
8310     level_editor_gadget[id] = gi;
8311     right_gadget_border[id] =
8312       getRightGadgetBorder(gi, selectbox_info[i].text_right);
8313   }
8314 }
8315
8316 static void CreateTextbuttonGadgets(void)
8317 {
8318   int max_infotext_len = getMaxInfoTextLength();
8319   int i;
8320
8321   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
8322   {
8323     int id = textbutton_info[i].gadget_id;
8324     int type_id = textbutton_info[i].gadget_type_id;
8325     int is_tab_button =
8326       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
8327        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
8328     int graphic =
8329       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
8330     int gadget_distance =
8331       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
8332     struct GraphicInfo *gd = &graphic_info[graphic];
8333     int gd_x1 = gd->src_x;
8334     int gd_y1 = gd->src_y;
8335     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8336     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8337     int gd_x1a = gd->src_x + gd->active_xoffset;
8338     int gd_y1a = gd->src_y + gd->active_yoffset;
8339     int border_xsize = gd->border_size + gd->draw_xoffset;
8340     int border_ysize = gd->border_size;
8341     struct GadgetInfo *gi;
8342     unsigned int event_mask = GD_EVENT_RELEASED;
8343     char infotext[MAX_OUTPUT_LINESIZE + 1];
8344     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
8345     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
8346
8347     if (type_id != i)
8348       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
8349
8350     if (textbutton_info[i].size == -1)  // dynamically determine size
8351       textbutton_info[i].size = strlen(textbutton_info[i].text);
8352
8353     sprintf(infotext, "%s", textbutton_info[i].infotext);
8354     infotext[max_infotext_len] = '\0';
8355
8356     // determine horizontal position to the right of specified gadget
8357     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8358     {
8359       int gadget_id_align = textbutton_info[i].gadget_id_align;
8360
8361       x = right_gadget_border[gadget_id_align] + gadget_distance;
8362
8363       if (textbutton_info[i].y == -1)
8364         y = level_editor_gadget[gadget_id_align]->y;
8365     }
8366
8367     // determine horizontal offset for leading text
8368     if (textbutton_info[i].text_left != NULL)
8369       x += getTextWidthForGadget(textbutton_info[i].text_left);
8370
8371     gi = CreateGadget(GDI_CUSTOM_ID, id,
8372                       GDI_CUSTOM_TYPE_ID, type_id,
8373                       GDI_IMAGE_ID, graphic,
8374                       GDI_INFO_TEXT, infotext,
8375                       GDI_X, x,
8376                       GDI_Y, y,
8377                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
8378                       GDI_TEXT_VALUE, textbutton_info[i].text,
8379                       GDI_TEXT_SIZE, textbutton_info[i].size,
8380                       GDI_TEXT_FONT, FONT_INPUT_2,
8381                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
8382                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8383                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8384                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8385                       GDI_BORDER_SIZE, border_xsize, border_ysize,
8386                       GDI_DESIGN_WIDTH, gd->width,
8387                       GDI_DECORATION_SHIFTING, 1, 1,
8388                       GDI_EVENT_MASK, event_mask,
8389                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8390                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
8391                       GDI_END);
8392
8393     if (gi == NULL)
8394       Fail("cannot create gadget");
8395
8396     level_editor_gadget[id] = gi;
8397     right_gadget_border[id] =
8398       getRightGadgetBorder(gi, textbutton_info[i].text_right);
8399   }
8400 }
8401
8402 static void CreateGraphicbuttonGadgets(void)
8403 {
8404   struct GadgetInfo *gi;
8405   int i;
8406
8407   // create buttons for scrolling of drawing area and element list
8408   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
8409   {
8410     int id = graphicbutton_info[i].gadget_id;
8411     int type_id = graphicbutton_info[i].gadget_type_id;
8412     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
8413     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
8414     int graphic = graphicbutton_info[i].graphic;
8415     struct GraphicInfo *gd = &graphic_info[graphic];
8416     int gd_x1 = gd->src_x;
8417     int gd_y1 = gd->src_y;
8418     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8419     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8420     unsigned int event_mask = GD_EVENT_RELEASED;
8421
8422     if (type_id != i)
8423       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
8424
8425     // determine horizontal position to the right of specified gadget
8426     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8427       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
8428            ED_GADGET_TEXT_DISTANCE);
8429
8430     // determine horizontal offset for leading text
8431     if (graphicbutton_info[i].text_left != NULL)
8432       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
8433
8434     gi = CreateGadget(GDI_CUSTOM_ID, id,
8435                       GDI_CUSTOM_TYPE_ID, type_id,
8436                       GDI_IMAGE_ID, graphic,
8437                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
8438                       GDI_X, x,
8439                       GDI_Y, y,
8440                       GDI_WIDTH, gd->width,
8441                       GDI_HEIGHT, gd->height,
8442                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
8443                       GDI_STATE, GD_BUTTON_UNPRESSED,
8444                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8445                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8446                       GDI_EVENT_MASK, event_mask,
8447                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8448                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
8449                       GDI_END);
8450
8451     if (gi == NULL)
8452       Fail("cannot create gadget");
8453
8454     level_editor_gadget[id] = gi;
8455     right_gadget_border[id] =
8456       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
8457   }
8458 }
8459
8460 static void CreateScrollbarGadgets(void)
8461 {
8462   int i;
8463
8464   // these values are not constant, but can change at runtime
8465   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
8466     SX + ED_SCROLL_HORIZONTAL_XPOS;
8467   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
8468     SY + ED_SCROLL_HORIZONTAL_YPOS;
8469   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
8470     ED_SCROLL_HORIZONTAL_XSIZE;
8471   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
8472     ED_SCROLL_HORIZONTAL_YSIZE;
8473   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
8474   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
8475   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
8476   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
8477
8478   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
8479     SX + ED_SCROLL_VERTICAL_XPOS;
8480   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
8481     SY + ED_SCROLL_VERTICAL_YPOS;
8482   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
8483     ED_SCROLL_VERTICAL_XSIZE;
8484   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
8485     ED_SCROLL_VERTICAL_YSIZE;
8486   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
8487   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
8488   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
8489   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
8490
8491   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
8492     PX + ED_SCROLL2_VERTICAL_XPOS;
8493   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
8494     PY + ED_SCROLL2_VERTICAL_YPOS;
8495   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
8496     ED_SCROLL2_VERTICAL_XSIZE;
8497   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
8498     ED_SCROLL2_VERTICAL_YSIZE;
8499   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
8500   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
8501   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
8502   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
8503
8504   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
8505   {
8506     int id = scrollbar_info[i].gadget_id;
8507     int type_id = scrollbar_info[i].gadget_type_id;
8508     int graphic = scrollbar_info[i].graphic;
8509     struct GraphicInfo *gd = &graphic_info[graphic];
8510     int gd_x1 = gd->src_x;
8511     int gd_y1 = gd->src_y;
8512     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8513     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8514     struct GadgetInfo *gi;
8515     int items_max, items_visible, item_position;
8516     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
8517
8518     if (type_id != i)
8519       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
8520
8521     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
8522     {
8523       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
8524       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
8525       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
8526     }
8527     else        // drawing area scrollbars
8528     {
8529       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
8530       {
8531         items_max = MAX(lev_fieldx + 2, ed_fieldx);
8532         items_visible = ed_fieldx;
8533         item_position = 0;
8534       }
8535       else
8536       {
8537         items_max = MAX(lev_fieldy + 2, ed_fieldy);
8538         items_visible = ed_fieldy;
8539         item_position = 0;
8540       }
8541     }
8542
8543     gi = CreateGadget(GDI_CUSTOM_ID, id,
8544                       GDI_CUSTOM_TYPE_ID, type_id,
8545                       GDI_IMAGE_ID, graphic,
8546                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
8547                       GDI_X, scrollbar_pos[i].x,
8548                       GDI_Y, scrollbar_pos[i].y,
8549                       GDI_WIDTH, scrollbar_pos[i].width,
8550                       GDI_HEIGHT, scrollbar_pos[i].height,
8551                       GDI_TYPE, scrollbar_info[i].type,
8552                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
8553                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
8554                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
8555                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
8556                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
8557                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
8558                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
8559                       GDI_STATE, GD_BUTTON_UNPRESSED,
8560                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8561                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8562                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
8563                       GDI_EVENT_MASK, event_mask,
8564                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8565                       GDI_CALLBACK_ACTION, HandleControlButtons,
8566                       GDI_END);
8567
8568     if (gi == NULL)
8569       Fail("cannot create gadget");
8570
8571     level_editor_gadget[id] = gi;
8572   }
8573 }
8574
8575 static void CreateCheckbuttonGadgets(void)
8576 {
8577   struct GadgetInfo *gi;
8578   int i;
8579
8580   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
8581   {
8582     int id = checkbutton_info[i].gadget_id;
8583     int type_id = checkbutton_info[i].gadget_type_id;
8584     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
8585                    IMG_EDITOR_CHECKBOX);
8586     struct GraphicInfo *gd = &graphic_info[graphic];
8587     int gd_x1 = gd->src_x;
8588     int gd_y1 = gd->src_y;
8589     int gd_x2 = gd->src_x + gd->pressed_xoffset;
8590     int gd_y2 = gd->src_y + gd->pressed_yoffset;
8591     int gd_x1a = gd->src_x + gd->active_xoffset;
8592     int gd_y1a = gd->src_y + gd->active_yoffset;
8593     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8594     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8595     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
8596     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
8597     unsigned int event_mask = GD_EVENT_PRESSED;
8598
8599     if (type_id != i)
8600       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
8601
8602     // determine horizontal position to the right of specified gadget
8603     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
8604       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
8605            ED_GADGET_TEXT_DISTANCE);
8606
8607     // determine horizontal offset for leading text
8608     if (checkbutton_info[i].text_left != NULL)
8609       x += getTextWidthForGadget(checkbutton_info[i].text_left);
8610
8611     gi = CreateGadget(GDI_CUSTOM_ID, id,
8612                       GDI_CUSTOM_TYPE_ID, type_id,
8613                       GDI_IMAGE_ID, graphic,
8614                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
8615                       GDI_X, x,
8616                       GDI_Y, y,
8617                       GDI_WIDTH, gd->width,
8618                       GDI_HEIGHT, gd->height,
8619                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
8620                       GDI_CHECKED, *checkbutton_info[i].value,
8621                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8622                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8623                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8624                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8625                       GDI_EVENT_MASK, event_mask,
8626                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8627                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
8628                       GDI_END);
8629
8630     if (gi == NULL)
8631       Fail("cannot create gadget");
8632
8633     level_editor_gadget[id] = gi;
8634     right_gadget_border[id] =
8635       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
8636   }
8637 }
8638
8639 static void CreateRadiobuttonGadgets(void)
8640 {
8641   int graphic = IMG_EDITOR_RADIOBUTTON;
8642   struct GraphicInfo *gd = &graphic_info[graphic];
8643   int gd_x1 = gd->src_x;
8644   int gd_y1 = gd->src_y;
8645   int gd_x2 = gd->src_x + gd->pressed_xoffset;
8646   int gd_y2 = gd->src_y + gd->pressed_yoffset;
8647   int gd_x1a = gd->src_x + gd->active_xoffset;
8648   int gd_y1a = gd->src_y + gd->active_yoffset;
8649   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
8650   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
8651   struct GadgetInfo *gi;
8652   int i;
8653
8654   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
8655   {
8656     int id = radiobutton_info[i].gadget_id;
8657     int type_id = radiobutton_info[i].gadget_type_id;
8658     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
8659     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
8660     unsigned int event_mask = GD_EVENT_PRESSED;
8661
8662     if (type_id != i)
8663       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
8664
8665     int checked =
8666       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
8667
8668     // determine horizontal position to the right of specified gadget
8669     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
8670       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
8671            ED_GADGET_TEXT_DISTANCE);
8672
8673     // determine horizontal offset for leading text
8674     if (radiobutton_info[i].text_left != NULL)
8675       x += getTextWidthForGadget(radiobutton_info[i].text_left);
8676
8677     gi = CreateGadget(GDI_CUSTOM_ID, id,
8678                       GDI_CUSTOM_TYPE_ID, type_id,
8679                       GDI_IMAGE_ID, graphic,
8680                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
8681                       GDI_X, x,
8682                       GDI_Y, y,
8683                       GDI_WIDTH, gd->width,
8684                       GDI_HEIGHT, gd->height,
8685                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
8686                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
8687                       GDI_CHECKED, checked,
8688                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
8689                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
8690                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
8691                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
8692                       GDI_EVENT_MASK, event_mask,
8693                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
8694                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
8695                       GDI_END);
8696
8697     if (gi == NULL)
8698       Fail("cannot create gadget");
8699
8700     level_editor_gadget[id] = gi;
8701     right_gadget_border[id] =
8702       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
8703   }
8704 }
8705
8706 void CreateLevelEditorGadgets(void)
8707 {
8708   // force EDITOR font inside level editor
8709   SetFontStatus(GAME_MODE_EDITOR);
8710
8711   // these values are not constant, but can change at runtime
8712   ed_fieldx = MAX_ED_FIELDX - 1;
8713   ed_fieldy = MAX_ED_FIELDY - 1;
8714
8715   num_editor_gadgets = NUM_EDITOR_GADGETS;
8716
8717   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8718
8719   level_editor_gadget =
8720     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8721   right_gadget_border =
8722     checked_calloc(num_editor_gadgets * sizeof(int));
8723
8724   // set number of empty (padding) element buttons to maximum number of buttons
8725   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8726
8727   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8728   editor_el_empty_ptr = editor_el_empty;
8729
8730   use_permanent_palette = !editor.palette.show_as_separate_screen;
8731
8732   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8733
8734   ReinitializeElementList();
8735
8736   CreateControlButtons();
8737   CreateScrollbarGadgets();
8738
8739   // order of function calls is important because of cross-references
8740   CreateCheckbuttonGadgets();
8741   CreateCounterButtons();
8742   CreateRadiobuttonGadgets();
8743   CreateTextInputGadgets();
8744   CreateTextAreaGadgets();
8745   CreateSelectboxGadgets();
8746   CreateGraphicbuttonGadgets();
8747   CreateTextbuttonGadgets();
8748   CreateDrawingAreas();
8749
8750   ResetFontStatus();
8751 }
8752
8753 void FreeLevelEditorGadgets(void)
8754 {
8755   int i;
8756
8757   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8758
8759   for (i = 0; i < num_editor_gadgets; i++)
8760   {
8761     FreeGadget(level_editor_gadget[i]);
8762
8763     level_editor_gadget[i] = NULL;
8764   }
8765
8766   checked_free(level_editor_gadget);
8767   checked_free(right_gadget_border);
8768
8769   checked_free(editor_el_empty);
8770 }
8771
8772 static void MapCounterButtons(int id)
8773 {
8774   int font_nr = FONT_TEXT_1;
8775   int font_height = getFontHeight(font_nr);
8776   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8777   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8778   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8779   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8780   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8781   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8782   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8783   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8784   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8785   int yoffset = (gi_down->height - font_height) / 2;
8786   int x_left = gi_down->x - xoffset_left;
8787   int x_right;  // set after gadget position was modified
8788   int y_above = gi_down->y - yoffset_above;
8789   int x = gi_down->x;
8790   int y;        // set after gadget position was modified
8791
8792   // counter limits must be changed first to prevent value truncation
8793   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8794                             counterbutton_info[id].max_value);
8795
8796   // right text position might have changed after setting position above
8797   x_right = gi_up->x + gi_up->width + xoffset_right;
8798
8799   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8800
8801   // set position for counter gadgets with dynamically determined position
8802   if (id != ED_COUNTER_ID_SELECT_LEVEL)
8803   {
8804     ModifyGadget(gi_down, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8805     ModifyGadget(gi_text, GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8806     ModifyGadget(gi_up,   GDI_Y, SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8807   }
8808
8809   // vertical position might have changed after setting position above
8810   y = gi_up->y + yoffset;
8811
8812   if (counterbutton_info[id].text_above)
8813     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8814
8815   if (counterbutton_info[id].text_left)
8816     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8817
8818   if (counterbutton_info[id].text_right)
8819     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8820
8821   MapGadget(gi_down);
8822   MapGadget(gi_text);
8823   MapGadget(gi_up);
8824 }
8825
8826 static void MapControlButtons(void)
8827 {
8828   int counter_id;
8829   int i;
8830
8831   // map toolbox buttons (excluding special CE toolbox buttons)
8832   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8833     MapGadget(level_editor_gadget[i]);
8834
8835   // map toolbox buttons (element properties buttons)
8836   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8837     MapGadget(level_editor_gadget[i]);
8838
8839   if (use_permanent_palette)
8840   {
8841     // map buttons to select elements
8842     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8843       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8844     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8845     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8846     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8847   }
8848
8849   // map buttons to select level
8850   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8851   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8852   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8853   MapCounterButtons(counter_id);
8854 }
8855
8856 static void MapDrawingArea(int id)
8857 {
8858   int font_nr = FONT_TEXT_1;
8859   int font_height = getFontHeight(font_nr);
8860   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8861   int area_xsize = gi->drawing.area_xsize;
8862   int area_ysize = gi->drawing.area_ysize;
8863   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8864   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8865   int x_left  = gi->x - xoffset_left - ED_DRAWINGAREA_BORDER_SIZE;
8866   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8867   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8868   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8869   int y_side  = gi->y + (gi->height - font_height) / 2;
8870   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8871   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8872
8873   if (drawingarea_info[id].text_left)
8874     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8875
8876   if (drawingarea_info[id].text_right)
8877     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8878
8879   if (drawingarea_info[id].text_above)
8880     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8881
8882   if (drawingarea_info[id].text_below)
8883     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8884
8885   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8886   {
8887     DrawElementBorder(gi->x, gi->y,
8888                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8889                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8890
8891     DrawDrawingArea(id);
8892   }
8893
8894   MapGadget(gi);
8895 }
8896
8897 static void MapTextInputGadget(int id)
8898 {
8899   int font_nr = FONT_TEXT_1;
8900   int font_height = getFontHeight(font_nr);
8901   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8902   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8903   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8904   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8905
8906   if (textinput_info[id].text_above)
8907     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8908
8909   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8910
8911   MapGadget(gi);
8912 }
8913
8914 static void MapTextAreaGadget(int id)
8915 {
8916   int font_nr = FONT_TEXT_1;
8917   int font_height = getFontHeight(font_nr);
8918   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8919   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8920   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8921   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8922   char *text_above = textarea_info[id].text_above;
8923
8924   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8925     text_above = textarea_info[id].text_above_cropped;
8926
8927   if (text_above)
8928     DrawTextS(x_above, y_above, font_nr, text_above);
8929
8930   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8931
8932   MapGadget(gi);
8933 }
8934
8935 static void MapSelectboxGadget(int id)
8936 {
8937   int font_nr = FONT_TEXT_1;
8938   int font_height = getFontHeight(font_nr);
8939   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8940   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8941   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8942   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8943   int yoffset = (gi->height - font_height) / 2;
8944   int x_left = gi->x - xoffset_left;
8945   int x_right = gi->x + gi->width + xoffset_right;
8946   int y_above = gi->y - yoffset_above;
8947   int x = gi->x;
8948   int y = gi->y + yoffset;
8949
8950   if (selectbox_info[id].text_above)
8951     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8952
8953   if (selectbox_info[id].text_left)
8954     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8955
8956   if (selectbox_info[id].text_right)
8957     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8958
8959   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8960
8961   MapGadget(gi);
8962 }
8963
8964 static void MapTextbuttonGadget(int id)
8965 {
8966   int font_nr = FONT_TEXT_1;
8967   int font_height = getFontHeight(font_nr);
8968   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8969   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8970   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8971   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8972   int yoffset = (gi->height - font_height) / 2;
8973   int x_left = gi->x - xoffset_left;
8974   int x_right = gi->x + gi->width + xoffset_right;
8975   int y_above = gi->y - yoffset_above;
8976   int x = gi->x;
8977   int y = gi->y + yoffset;
8978
8979   // only show button to delete change pages when more than minimum pages
8980   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8981       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8982     return;
8983
8984   if (textbutton_info[id].text_above)
8985     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8986
8987   if (textbutton_info[id].text_left)
8988     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8989
8990   if (textbutton_info[id].text_right)
8991     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8992
8993   MapGadget(gi);
8994 }
8995
8996 static void MapGraphicbuttonGadget(int id)
8997 {
8998   int font_nr = FONT_TEXT_1;
8999   int font_height = getFontHeight(font_nr);
9000   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
9001   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
9002   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9003   int yoffset = (gi->height - font_height) / 2;
9004   int x_left = gi->x - xoffset_left;
9005   int x_right = gi->x + gi->width + xoffset_right;
9006   int y = gi->y + yoffset;
9007
9008   if (graphicbutton_info[id].text_left)
9009     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
9010
9011   if (graphicbutton_info[id].text_right)
9012     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
9013
9014   MapGadget(gi);
9015 }
9016
9017 static void MapRadiobuttonGadget(int id)
9018 {
9019   int font_nr = FONT_TEXT_1;
9020   int font_height = getFontHeight(font_nr);
9021   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
9022   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9023   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9024   int yoffset = (gi->height - font_height) / 2;
9025   int x_left = gi->x - xoffset_left;
9026   int x_right = gi->x + gi->width + xoffset_right;
9027   int y = gi->y + yoffset;
9028   boolean checked =
9029     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
9030
9031   if (radiobutton_info[id].text_left)
9032     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
9033
9034   if (radiobutton_info[id].text_right)
9035     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
9036
9037   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
9038
9039   MapGadget(gi);
9040 }
9041
9042 static void MapCheckbuttonGadget(int id)
9043 {
9044   int font_nr = FONT_TEXT_1;
9045   int font_height = getFontHeight(font_nr);
9046   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
9047   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
9048   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
9049   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
9050   int yoffset = (gi->height - font_height) / 2;
9051   int y_above = gi->y - yoffset_above;
9052   int x = gi->x;
9053   int x_left, x_right, y;       // set after gadget position was modified
9054
9055   // set position for gadgets with dynamically determined position
9056   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
9057     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
9058   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
9059
9060   x_left = gi->x - xoffset_left;
9061   x_right = gi->x + gi->width + xoffset_right;
9062   y = gi->y + yoffset;
9063
9064   if (checkbutton_info[id].text_above)
9065     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
9066
9067   if (checkbutton_info[id].text_left)
9068     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
9069
9070   if (checkbutton_info[id].text_right)
9071     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
9072
9073   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
9074
9075   MapGadget(gi);
9076 }
9077
9078 static void MapMainDrawingArea(void)
9079 {
9080   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
9081   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
9082   int i;
9083
9084   if (suppressBorderElement())
9085   {
9086     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
9087     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
9088   }
9089
9090   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
9091   {
9092     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
9093           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
9094          no_horizontal_scrollbar) ||
9095         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
9096           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
9097          no_vertical_scrollbar))
9098       continue;
9099
9100     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
9101   }
9102
9103   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
9104   {
9105     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
9106         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
9107       continue;
9108
9109     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
9110   }
9111
9112   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
9113 }
9114
9115 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
9116 {
9117   int i;
9118
9119   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
9120   {
9121     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
9122         i == GADGET_ID_CUSTOM_COPY_TO ||
9123         i == GADGET_ID_CUSTOM_EXCHANGE ||
9124         i == GADGET_ID_CUSTOM_COPY ||
9125         i == GADGET_ID_CUSTOM_PASTE)
9126     {
9127       if (map)
9128         MapGadget(level_editor_gadget[i]);
9129       else
9130         UnmapGadget(level_editor_gadget[i]);
9131     }
9132   }
9133 }
9134
9135 static void MapLevelEditorToolboxCustomGadgets(void)
9136 {
9137   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
9138 }
9139
9140 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
9141 {
9142   if (IS_CUSTOM_ELEMENT(properties_element) ||
9143       IS_GROUP_ELEMENT(properties_element) ||
9144       IS_EMPTY_ELEMENT(properties_element))
9145     MapLevelEditorToolboxCustomGadgets();
9146 }
9147
9148 static void UnmapLevelEditorToolboxCustomGadgets(void)
9149 {
9150   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
9151 }
9152
9153 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
9154 {
9155   int i;
9156
9157   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
9158   {
9159     if (i != GADGET_ID_SINGLE_ITEMS &&
9160         i != GADGET_ID_PICK_ELEMENT)
9161     {
9162       struct GadgetInfo *gi = level_editor_gadget[i];
9163
9164       if (map)
9165       {
9166         MapGadget(gi);
9167       }
9168       else
9169       {
9170         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
9171         struct GraphicInfo *gd = &graphic_info[graphic];
9172
9173         UnmapGadget(gi);
9174
9175         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
9176                    gi->width, gi->height, gi->x, gi->y);
9177
9178         redraw_mask |= REDRAW_DOOR_3;
9179       }
9180     }
9181   }
9182 }
9183
9184 static void MapLevelEditorToolboxDrawingGadgets(void)
9185 {
9186   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
9187 }
9188
9189 static void UnmapLevelEditorToolboxDrawingGadgets(void)
9190 {
9191   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
9192 }
9193
9194 static void UnmapDrawingArea(int id)
9195 {
9196   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
9197 }
9198
9199 static void UnmapLevelEditorFieldGadgets(void)
9200 {
9201   int i;
9202
9203   for (i = 0; i < num_editor_gadgets; i++)
9204     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
9205                           level_editor_gadget[i]->y))
9206       UnmapGadget(level_editor_gadget[i]);
9207 }
9208
9209 void UnmapLevelEditorGadgets(void)
9210 {
9211   int i;
9212
9213   for (i = 0; i < num_editor_gadgets; i++)
9214     UnmapGadget(level_editor_gadget[i]);
9215 }
9216
9217 static void ResetUndoBuffer(void)
9218 {
9219   undo_buffer_position = -1;
9220   undo_buffer_steps = -1;
9221   redo_buffer_steps = 0;
9222
9223   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
9224
9225   level.changed = FALSE;
9226 }
9227
9228 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
9229 {
9230   if (remap_toolbox_gadgets)
9231   {
9232     ModifyEditorElementList();
9233     RedrawDrawingElements();
9234   }
9235
9236   if (edit_mode == ED_MODE_LEVELCONFIG)
9237     DrawLevelConfigWindow();
9238   else if (edit_mode == ED_MODE_PROPERTIES)
9239     DrawPropertiesWindow();
9240   else if (edit_mode == ED_MODE_PALETTE)
9241     DrawPaletteWindow();
9242   else  // edit_mode == ED_MODE_DRAWING
9243     DrawDrawingWindowExt(remap_toolbox_gadgets);
9244 }
9245
9246 static void DrawEditModeWindow(void)
9247 {
9248   DrawEditModeWindowExt(TRUE);
9249 }
9250
9251 static void DrawEditModeWindow_PlayfieldOnly(void)
9252 {
9253   DrawEditModeWindowExt(FALSE);
9254 }
9255
9256 static void ChangeEditModeWindow(int new_edit_mode)
9257 {
9258   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
9259
9260   DrawEditModeWindow();
9261 }
9262
9263 static boolean LevelChanged(void)
9264 {
9265   boolean field_changed = FALSE;
9266   int x, y;
9267
9268   for (y = 0; y < lev_fieldy; y++)
9269     for (x = 0; x < lev_fieldx; x++)
9270       if (Tile[x][y] != level.field[x][y])
9271         field_changed = TRUE;
9272
9273   return (level.changed || field_changed);
9274 }
9275
9276 static boolean PrepareSavingIntoPersonalLevelSet(void)
9277 {
9278   static LevelDirTree *last_copied_leveldir = NULL;
9279   static LevelDirTree *last_written_leveldir = NULL;
9280   static int last_copied_level_nr = -1;
9281   static int last_written_level_nr = -1;
9282   LevelDirTree *leveldir_former = leveldir_current;
9283   int level_nr_former = level_nr;
9284   int new_level_nr;
9285
9286   // remember last mod/save so that for current session, we write
9287   // back to the same personal copy, asking only about overwrite.
9288   if (leveldir_current == last_copied_leveldir &&
9289       level_nr == last_copied_level_nr)
9290   {
9291     // "cd" to personal level set dir (as used when writing last copy)
9292     leveldir_current = last_written_leveldir;
9293     level_nr = last_written_level_nr;
9294
9295     return TRUE;
9296   }
9297
9298   if (!Request("This level is read-only! "
9299                "Save into personal level set?", REQ_ASK))
9300     return FALSE;
9301
9302   // "cd" to personal level set dir (for writing copy the first time)
9303   leveldir_current =
9304     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
9305
9306   // this may happen if "setup.internal.create_user_levelset" is FALSE
9307   // or if file "levelinfo.conf" is missing in personal user level set
9308   if (leveldir_current == NULL)
9309   {
9310     Request("Cannot find personal level set?!", REQ_CONFIRM);
9311
9312     leveldir_current = leveldir_former;
9313
9314     return FALSE;
9315   }
9316
9317   // find unused level number
9318   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
9319   {
9320     static char *level_filename = NULL;
9321
9322     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
9323
9324     if (!fileExists(level_filename))
9325       break;
9326   }
9327
9328   last_copied_leveldir = leveldir_former;
9329   last_copied_level_nr = level_nr_former;
9330
9331   last_written_leveldir = leveldir_current;
9332   last_written_level_nr = level_nr = new_level_nr;
9333
9334   return TRUE;
9335 }
9336
9337 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
9338 {
9339   static char *filename_levelinfo = NULL, *mod_name = NULL;
9340   FILE *file;
9341
9342   // annotate this copy-and-mod in personal levelinfo.conf
9343   setString(&filename_levelinfo,
9344             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
9345
9346   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
9347   {
9348     fprintf(file, "\n");
9349     fprintf(file, "# level %d was modified from:\n", level_nr);
9350     fprintf(file, "# - previous level set name:    %s\n",
9351             former_name);
9352     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
9353             level.file_info.nr, level.name);
9354     fprintf(file, "# - previous author:            %s\n",
9355             level.author);
9356     fprintf(file, "# - previous save date:         ");
9357
9358     if (level.creation_date.src == DATE_SRC_LEVELFILE)
9359     {
9360       fprintf(file, "%04d-%02d-%02d\n",
9361               level.creation_date.year,
9362               level.creation_date.month,
9363               level.creation_date.day);
9364     }
9365     else
9366     {
9367       fprintf(file, "not recorded\n");
9368     }
9369
9370     fclose(file);
9371   }
9372
9373   if (level_nr > leveldir_current->last_level)
9374     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
9375
9376   // else: allow the save even if annotation failed
9377
9378   // now... spray graffiti on the old level vital statistics
9379   // user can change these; just trying to set a good baseline
9380
9381   // don't truncate names for fear of making offensive or silly:
9382   // long-named original author only recorded in levelinfo.conf.
9383   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
9384   if (!strEqual(level.author, leveldir_current->author))
9385   {
9386     setString(&mod_name, getStringCat3(leveldir_current->author,
9387                                        " after ", level.author));
9388
9389     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9390       setString(&mod_name,
9391                 getStringCat2(leveldir_current->author, " (ed.)"));
9392
9393     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
9394       setString(&mod_name, leveldir_current->author);
9395
9396     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
9397
9398     // less worried about truncation here
9399     setString(&mod_name, getStringCat2("Mod: ", level.name));
9400     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
9401   }
9402 }
9403
9404 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
9405                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
9406 {
9407   int x, y;
9408
9409   for (x = 0; x < lev_fieldx; x++)
9410     for (y = 0; y < lev_fieldy; y++)
9411       dst[x][y] = src[x][y];
9412 }
9413
9414 static int setSelectboxValue(int selectbox_id, int new_value)
9415 {
9416   int new_index_value = 0;
9417   int i;
9418
9419   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
9420     if (selectbox_info[selectbox_id].options[i].value == new_value)
9421       new_index_value = i;
9422
9423   *selectbox_info[selectbox_id].value =
9424     selectbox_info[selectbox_id].options[new_index_value].value;
9425
9426   return new_index_value;
9427 }
9428
9429 static void setSelectboxSpecialActionVariablesIfNeeded(void)
9430 {
9431   int i;
9432
9433   // change action mode and arg variables according to action type variable
9434   for (i = 0; action_arg_options[i].value != -1; i++)
9435   {
9436     if (action_arg_options[i].value == custom_element_change.action_type)
9437     {
9438       int mode = action_arg_options[i].mode;
9439
9440       // only change if corresponding selectbox has changed
9441       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
9442           action_arg_modes[mode])
9443         custom_element_change.action_mode = -1;
9444
9445       // only change if corresponding selectbox has changed
9446       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
9447           action_arg_options[i].options)
9448         custom_element_change.action_arg = -1;
9449
9450       break;
9451     }
9452   }
9453 }
9454
9455 static void setSelectboxSpecialActionOptions(void)
9456 {
9457   int i;
9458
9459   // change action mode and arg selectbox according to action type selectbox
9460   for (i = 0; action_arg_options[i].value != -1; i++)
9461   {
9462     if (action_arg_options[i].value == custom_element_change.action_type)
9463     {
9464       int mode = action_arg_options[i].mode;
9465
9466       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
9467                                    action_arg_modes[mode]);
9468       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
9469                                  custom_element_change.action_mode);
9470
9471       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
9472                                    action_arg_options[i].options);
9473       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
9474                                  custom_element_change.action_arg);
9475       break;
9476     }
9477   }
9478 }
9479
9480 static void copy_custom_element_settings(int element_from, int element_to)
9481 {
9482   struct ElementInfo *ei_from = &element_info[element_from];
9483   struct ElementInfo *ei_to = &element_info[element_to];
9484
9485   copyElementInfo(ei_from, ei_to);
9486 }
9487
9488 static void replace_custom_element_in_settings(int element_from,
9489                                                int element_to)
9490 {
9491   int i, j, x, y;
9492
9493   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9494   {
9495     struct ElementInfo *ei = &element_info[i];
9496
9497     for (y = 0; y < 3; y++)
9498       for (x = 0; x < 3; x++)
9499         if (ei->content.e[x][y] == element_from)
9500           ei->content.e[x][y] = element_to;
9501
9502     for (j = 0; j < ei->num_change_pages; j++)
9503     {
9504       struct ElementChangeInfo *change = &ei->change_page[j];
9505
9506       if (change->target_element == element_from)
9507         change->target_element = element_to;
9508
9509       if (change->initial_trigger_element == element_from)
9510         change->initial_trigger_element = element_to;
9511
9512       if (change->action_element == element_from)
9513         change->action_element = element_to;
9514
9515       for (y = 0; y < 3; y++)
9516         for (x = 0; x < 3; x++)
9517           if (change->target_content.e[x][y] == element_from)
9518             change->target_content.e[x][y] = element_to;
9519     }
9520
9521     if (ei->group != NULL)                              // group or internal
9522       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
9523         if (ei->group->element[j] == element_from)
9524           ei->group->element[j] = element_to;
9525   }
9526 }
9527
9528 static void replace_custom_element_in_playfield(int element_from,
9529                                                 int element_to)
9530 {
9531   int x, y;
9532
9533   for (x = 0; x < lev_fieldx; x++)
9534     for (y = 0; y < lev_fieldy; y++)
9535       if (Tile[x][y] == element_from)
9536         Tile[x][y] = element_to;
9537 }
9538
9539 static boolean CopyCustomElement(int element_old, int element_new,
9540                                  int copy_mode)
9541 {
9542   int copy_mode_orig = copy_mode;
9543
9544   if (copy_mode == GADGET_ID_CUSTOM_COPY)
9545   {
9546     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
9547                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9548     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9549   }
9550   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
9551   {
9552     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
9553                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
9554     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
9555
9556     level.changed = TRUE;
9557   }
9558   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
9559   {
9560     Request("Please choose custom element!", REQ_CONFIRM);
9561
9562     return FALSE;
9563   }
9564   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
9565   {
9566     Request("Please choose group element!", REQ_CONFIRM);
9567
9568     return FALSE;
9569   }
9570   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
9571   {
9572     Request("Please choose empty element!", REQ_CONFIRM);
9573
9574     return FALSE;
9575   }
9576   else
9577   {
9578     level.changed = TRUE;
9579   }
9580
9581   // when modifying custom/group element, ask for copying level template
9582   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
9583   {
9584     if (!AskToCopyAndModifyLevelTemplate())
9585       return FALSE;
9586   }
9587
9588   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
9589   {
9590     copy_custom_element_settings(element_new, element_old);
9591   }
9592   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
9593   {
9594     copy_custom_element_settings(element_old, element_new);
9595   }
9596   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
9597   {
9598     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
9599     copy_custom_element_settings(element_new, element_old);
9600     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
9601
9602     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
9603     replace_custom_element_in_settings(element_new, element_old);
9604     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
9605
9606     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
9607     replace_custom_element_in_playfield(element_new, element_old);
9608     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
9609   }
9610
9611   UpdateCustomElementGraphicGadgets();
9612   DrawPropertiesWindow();
9613
9614   return TRUE;
9615 }
9616
9617 static void CopyCustomElementPropertiesToEditor(int element)
9618 {
9619   int i;
9620   int current_change_page = element_info[element].current_change_page;
9621
9622   // dynamically (re)build selectbox for selecting change page
9623   for (i = 0; i < element_info[element].num_change_pages; i++)
9624   {
9625     sprintf(options_change_page_strings[i], "%d", i + 1);
9626
9627     options_change_page[i].value = i;
9628     options_change_page[i].text = options_change_page_strings[i];
9629   }
9630
9631   options_change_page[i].value = -1;
9632   options_change_page[i].text = NULL;
9633
9634   // needed here to initialize combined element properties
9635   InitElementPropertiesEngine(level.game_version);
9636
9637   element_info[element].change =
9638     &element_info[element].change_page[current_change_page];
9639
9640   custom_element = element_info[element];
9641   custom_element_change = *element_info[element].change;
9642
9643   // needed to initially set selectbox options for special action options
9644   setSelectboxSpecialActionOptions();
9645
9646   // needed to initially set selectbox value variables to reliable defaults
9647   for (i = 0; i < ED_NUM_SELECTBOX; i++)
9648     setSelectboxValue(i, *selectbox_info[i].value);
9649
9650   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9651     custom_element_properties[i] = HAS_PROPERTY(element, i);
9652
9653   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9654     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
9655
9656   // ---------- element settings: configure (custom elements) -----------------
9657
9658   // set accessible layer selectbox help value
9659   custom_element.access_type =
9660     (IS_WALKABLE(element) ? EP_WALKABLE :
9661      IS_PASSABLE(element) ? EP_PASSABLE :
9662      custom_element.access_type);
9663   custom_element.access_layer =
9664     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
9665      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
9666      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
9667      custom_element.access_layer);
9668   custom_element.access_protected =
9669     (IS_PROTECTED(element) ? 1 : 0);
9670   custom_element_properties[EP_ACCESSIBLE] =
9671     (IS_ACCESSIBLE_OVER(element) ||
9672      IS_ACCESSIBLE_INSIDE(element) ||
9673      IS_ACCESSIBLE_UNDER(element));
9674
9675   // set walk-to-object action selectbox help value
9676   custom_element.walk_to_action =
9677     (IS_DIGGABLE(element) ? EP_DIGGABLE :
9678      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
9679      IS_DROPPABLE(element) ? EP_DROPPABLE :
9680      IS_THROWABLE(element) ? EP_THROWABLE :
9681      IS_PUSHABLE(element) ? EP_PUSHABLE :
9682      custom_element.walk_to_action);
9683   custom_element_properties[EP_WALK_TO_OBJECT] =
9684     (IS_DIGGABLE(element) ||
9685      IS_COLLECTIBLE_ONLY(element) ||
9686      IS_DROPPABLE(element) ||
9687      IS_THROWABLE(element) ||
9688      IS_PUSHABLE(element));
9689
9690   // set smash targets selectbox help value
9691   custom_element.smash_targets =
9692     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
9693      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
9694      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
9695      custom_element.smash_targets);
9696   custom_element_properties[EP_CAN_SMASH] =
9697     (CAN_SMASH_EVERYTHING(element) ||
9698      CAN_SMASH_ENEMIES(element) ||
9699      CAN_SMASH_PLAYER(element));
9700
9701   // set deadliness selectbox help value
9702   custom_element.deadliness =
9703     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
9704      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
9705      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
9706      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9707      custom_element.deadliness);
9708   custom_element_properties[EP_DEADLY] =
9709     (DONT_TOUCH(element) ||
9710      DONT_GET_HIT_BY(element) ||
9711      DONT_COLLIDE_WITH(element) ||
9712      DONT_RUN_INTO(element));
9713
9714   // ---------- element settings: advanced (custom elements) ------------------
9715
9716   // set "change by direct action" selectbox help value
9717   custom_element_change.direct_action =
9718     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9719      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9720      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9721      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9722      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9723      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9724      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9725      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9726      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9727      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9728      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9729      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9730      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9731      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9732      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9733      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9734      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9735      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9736      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9737      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9738      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9739      custom_element_change.direct_action);
9740
9741   // set "change by other element action" selectbox help value
9742   custom_element_change.other_action =
9743     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9744      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9745      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9746      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9747      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9748      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9749      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9750      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9751      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9752      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9753      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9754      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9755      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9756      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9757      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9758      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9759      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9760      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9761      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9762      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9763      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9764      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9765      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9766      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9767      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9768      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9769      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9770      custom_element_change.other_action);
9771 }
9772
9773 static void CopyGroupElementPropertiesToEditor(int element)
9774 {
9775   group_element_info = *element_info[element].group;
9776   custom_element = element_info[element];       // needed for description
9777 }
9778
9779 static void CopyEmptyElementPropertiesToEditor(int element)
9780 {
9781   custom_element = element_info[element];
9782 }
9783
9784 static void CopyClassicElementPropertiesToEditor(int element)
9785 {
9786   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9787     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9788       getMoveIntoAcidProperty(&level, element);
9789
9790   if (MAYBE_DONT_COLLIDE_WITH(element))
9791     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9792       getDontCollideWithProperty(&level, element);
9793 }
9794
9795 static void CopyElementPropertiesToEditor(int element)
9796 {
9797   if (IS_CUSTOM_ELEMENT(element))
9798     CopyCustomElementPropertiesToEditor(element);
9799   else if (IS_GROUP_ELEMENT(element))
9800     CopyGroupElementPropertiesToEditor(element);
9801   else if (IS_EMPTY_ELEMENT(element))
9802     CopyEmptyElementPropertiesToEditor(element);
9803   else
9804     CopyClassicElementPropertiesToEditor(element);
9805 }
9806
9807 static boolean AskToCopyAndModifyLevelTemplate(void)
9808 {
9809   if (Request("Copy and modify settings from level template?", REQ_ASK))
9810   {
9811     level.use_custom_template = FALSE;
9812
9813     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9814                  GDI_CHECKED, FALSE, GDI_END);
9815     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9816                  GDI_CHECKED, FALSE, GDI_END);
9817
9818     return TRUE;
9819   }
9820   else
9821   {
9822     LoadLevelTemplate(-1);      // this resets all element modifications ...
9823
9824     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9825
9826     return FALSE;
9827   }
9828 }
9829
9830 static void CopyCustomElementPropertiesToGame(int element)
9831 {
9832   int i;
9833   int access_type_and_layer;
9834
9835   // mark that this custom element has been modified
9836   custom_element.modified_settings = TRUE;
9837   level.changed = TRUE;
9838
9839   if (level.use_custom_template)
9840     AskToCopyAndModifyLevelTemplate();
9841
9842   element_info[element] = custom_element;
9843   *element_info[element].change = custom_element_change;
9844
9845   // ---------- element settings: configure (custom elements) -----------------
9846
9847   // set accessible property from checkbox and selectbox
9848   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9849   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9850   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9851   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9852   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9853   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9854   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9855                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9856                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9857   custom_element_properties[access_type_and_layer] =
9858     custom_element_properties[EP_ACCESSIBLE];
9859   custom_element_properties[EP_PROTECTED] =
9860     (custom_element.access_protected != 0 &&
9861      custom_element_properties[EP_ACCESSIBLE]);
9862
9863   // set walk-to-object property from checkbox and selectbox
9864   custom_element_properties[EP_DIGGABLE] = FALSE;
9865   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9866   custom_element_properties[EP_DROPPABLE] = FALSE;
9867   custom_element_properties[EP_THROWABLE] = FALSE;
9868   custom_element_properties[EP_PUSHABLE] = FALSE;
9869   custom_element_properties[custom_element.walk_to_action] =
9870     custom_element_properties[EP_WALK_TO_OBJECT];
9871
9872   // set smash property from checkbox and selectbox
9873   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9874   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9875   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9876   custom_element_properties[custom_element.smash_targets] =
9877     custom_element_properties[EP_CAN_SMASH];
9878
9879   // set deadliness property from checkbox and selectbox
9880   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9881   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9882   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9883   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9884   custom_element_properties[custom_element.deadliness] =
9885     custom_element_properties[EP_DEADLY];
9886
9887   // ---------- element settings: advanced (custom elements) ------------------
9888
9889   // set player change event from checkbox and selectbox
9890   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9891   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9892   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9893   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9894   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9895   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9896   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9897   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9898   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9899   custom_element_change_events[CE_SWITCHED] = FALSE;
9900   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9901   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9902   custom_element_change_events[CE_BLOCKED] = FALSE;
9903   custom_element_change_events[CE_IMPACT] = FALSE;
9904   custom_element_change_events[CE_SMASHED] = FALSE;
9905   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9906   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9907   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9908   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9909   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9910   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9911   custom_element_change_events[custom_element_change.direct_action] =
9912     custom_element_change_events[CE_BY_DIRECT_ACTION];
9913
9914   // set other element action change event from checkbox and selectbox
9915   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9916   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9917   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9918   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9919   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9920   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9921   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9922   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9923   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9924   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9925   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9926   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9927   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9928   custom_element_change_events[CE_HITTING_X] = FALSE;
9929   custom_element_change_events[CE_DIGGING_X] = FALSE;
9930   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9931   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9932   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9933   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9934   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9935   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9936   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9937   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9938   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9939   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9940   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9941   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9942   custom_element_change_events[custom_element_change.other_action] =
9943     custom_element_change_events[CE_BY_OTHER_ACTION];
9944
9945   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9946     SET_PROPERTY(element, i, custom_element_properties[i]);
9947
9948   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9949     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9950
9951   // copy change events also to special level editor variable
9952   custom_element = element_info[element];
9953   custom_element_change = *element_info[element].change;
9954
9955   // needed here to restore runtime value "element_info[element].gfx_element"
9956   InitElementPropertiesGfxElement();
9957 }
9958
9959 static void CopyGroupElementPropertiesToGame(int element)
9960 {
9961   // mark that this group element has been modified
9962   custom_element.modified_settings = TRUE;
9963   level.changed = TRUE;
9964
9965   if (level.use_custom_template)
9966     AskToCopyAndModifyLevelTemplate();
9967
9968   element_info[element] = custom_element;
9969   *element_info[element].group = group_element_info;
9970
9971   // needed here to restore runtime value "element_info[element].gfx_element"
9972   InitElementPropertiesGfxElement();
9973 }
9974
9975 static void CopyEmptyElementPropertiesToGame(int element)
9976 {
9977   // mark that this empty element has been modified
9978   custom_element.modified_settings = TRUE;
9979   level.changed = TRUE;
9980
9981   if (level.use_custom_template)
9982     AskToCopyAndModifyLevelTemplate();
9983
9984   element_info[element] = custom_element;
9985
9986   // needed here to restore runtime value "element_info[element].gfx_element"
9987   InitElementPropertiesGfxElement();
9988 }
9989
9990 static void CopyClassicElementPropertiesToGame(int element)
9991 {
9992   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9993     setMoveIntoAcidProperty(&level, element,
9994                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9995
9996   if (MAYBE_DONT_COLLIDE_WITH(element))
9997     setDontCollideWithProperty(&level, element,
9998                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9999 }
10000
10001 static void CopyElementPropertiesToGame(int element)
10002 {
10003   if (IS_CUSTOM_ELEMENT(element))
10004     CopyCustomElementPropertiesToGame(element);
10005   else if (IS_GROUP_ELEMENT(element))
10006     CopyGroupElementPropertiesToGame(element);
10007   else if (IS_EMPTY_ELEMENT(element))
10008     CopyEmptyElementPropertiesToGame(element);
10009   else
10010     CopyClassicElementPropertiesToGame(element);
10011 }
10012
10013 #if DEBUG
10014 static void CheckElementDescriptions(void)
10015 {
10016   int i;
10017
10018   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
10019     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
10020       Warn("no element description file for element '%s'", EL_NAME(i));
10021 }
10022 #endif
10023
10024 static int getMaxEdFieldX(boolean has_scrollbar)
10025 {
10026   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
10027   int sxsize = SXSIZE - scrollbar_width;
10028   int max_ed_fieldx = sxsize / ed_tilesize;
10029
10030   return max_ed_fieldx;
10031 }
10032
10033 static int getMaxEdFieldY(boolean has_scrollbar)
10034 {
10035   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
10036                          INFOTEXT_YSIZE_FULL : 0);
10037   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
10038   int sysize = SYSIZE - scrollbar_height - infotext_height;
10039   int max_ed_fieldy = sysize / ed_tilesize;
10040
10041   return max_ed_fieldy;
10042 }
10043
10044 static void InitZoomLevelSettings(int zoom_tilesize)
10045 {
10046   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
10047
10048   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
10049   {
10050     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
10051     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
10052
10053     // make sure that tile size is always a power of 2
10054     ed_tilesize = (1 << log_2(ed_tilesize));
10055
10056     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10057     {
10058       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
10059       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
10060     }
10061   }
10062
10063   last_game_engine_type = level.game_engine_type;
10064
10065   // limit zoom tilesize by upper and lower bound
10066   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
10067
10068   // store zoom tilesize in auto setup file only if it was manually changed
10069   if (zoom_tilesize != -1)
10070     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
10071
10072   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
10073   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
10074 }
10075
10076 static void InitDrawingElements(void)
10077 {
10078   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
10079
10080   if (level.game_engine_type == game_engine_type_last)
10081     return;
10082
10083   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10084   {
10085     new_element1 = EL_BD_WALL;
10086     new_element2 = EL_EMPTY;
10087     new_element3 = EL_BD_SAND;
10088   }
10089   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
10090   {
10091     new_element1 = EL_SP_CHIP_SINGLE;
10092     new_element2 = EL_EMPTY;
10093     new_element3 = EL_SP_BASE;
10094   }
10095   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
10096   {
10097     new_element1 = EL_MM_MIRROR_START;
10098     new_element2 = EL_EMPTY;
10099     new_element3 = EL_MM_WOODEN_WALL;
10100   }
10101   else
10102   {
10103     new_element1 = EL_WALL;
10104     new_element2 = EL_EMPTY;
10105     new_element3 = EL_SAND;
10106   }
10107
10108   game_engine_type_last = level.game_engine_type;
10109 }
10110
10111 static void InitLevelSetInfo(void)
10112 {
10113   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
10114            "%s", leveldir_current->name);
10115   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
10116            "%s", leveldir_current->author);
10117
10118   levelset_num_levels = leveldir_current->levels;
10119
10120   levelset_use_levelset_artwork = FALSE;
10121   levelset_copy_level_template = FALSE;
10122
10123   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
10124 }
10125
10126 static void ChangeEditorToLevelSet(char *levelset_subdir)
10127 {
10128   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
10129
10130   // the previous level set might have used custom artwork
10131   ReloadCustomArtwork(0);
10132
10133   LoadLevelSetup_SeriesInfo();
10134
10135   SaveLevelSetup_LastSeries();
10136   SaveLevelSetup_SeriesInfo();
10137
10138   TapeErase();
10139
10140   LoadLevel(level_nr);
10141   LoadScore(level_nr);
10142
10143   DrawLevelEd();
10144 }
10145
10146 static boolean useEditorDoorAnimation(void)
10147 {
10148   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
10149   boolean door_1_viewport_unchanged =
10150     (vp_door_1->x      == DX     &&
10151      vp_door_1->y      == DY     &&
10152      vp_door_1->width  == DXSIZE &&
10153      vp_door_1->height == DYSIZE);
10154   boolean door_1_contains_toolbox =
10155     (EX >= DX &&
10156      EY >= DY &&
10157      EX + EXSIZE <= DX + DXSIZE &&
10158      EY + EYSIZE <= DY + DYSIZE);
10159
10160   return (door_1_viewport_unchanged && door_1_contains_toolbox);
10161 }
10162
10163 static void DrawEditorDoorBackground(int graphic, int x, int y,
10164                                      int width, int height)
10165 {
10166   struct GraphicInfo *g = &graphic_info[graphic];
10167
10168   if (g->bitmap != NULL)
10169     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
10170                MIN(width, g->width), MIN(height, g->height), x, y);
10171   else
10172     ClearRectangle(drawto, x, y, width, height);
10173 }
10174
10175 static void DrawEditorDoorContent(void)
10176 {
10177   // needed for gadgets drawn on background (like palette scrollbar)
10178   SetDoorBackgroundImage(IMG_UNDEFINED);
10179
10180   // copy default editor door content to main double buffer
10181   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
10182
10183   // draw bigger door
10184   DrawSpecialEditorDoor();
10185
10186   // draw new control window
10187   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
10188
10189   // draw all toolbox gadgets to editor doors
10190   MapControlButtons();
10191
10192   // when returning from test game to properties page, redraw toolbox gadgets
10193   if (edit_mode == ED_MODE_PROPERTIES)
10194   {
10195     UnmapLevelEditorToolboxDrawingGadgets();
10196     UnmapLevelEditorToolboxCustomGadgets();
10197
10198     MapLevelEditorToolboxCustomGadgetsIfNeeded();
10199   }
10200
10201   // draw all palette gadgets to editor doors
10202   ModifyEditorElementList();
10203   RedrawDrawingElements();
10204
10205   // copy actual editor door content to door double buffer for OpenDoor()
10206   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
10207 }
10208
10209 void DrawLevelEd(void)
10210 {
10211   int fade_mask = REDRAW_FIELD;
10212
10213   FadeSoundsAndMusic();
10214
10215   if (CheckFadeAll())
10216     fade_mask = REDRAW_ALL;
10217
10218   FadeOut(fade_mask);
10219
10220   // needed if different viewport properties defined for editor
10221   ChangeViewportPropertiesIfNeeded();
10222
10223   ClearField();
10224
10225   InitZoomLevelSettings(-1);
10226   InitDrawingElements();
10227   InitLevelSetInfo();
10228
10229 #if DEBUG
10230   CheckElementDescriptions();
10231 #endif
10232
10233   if (level_editor_test_game)
10234   {
10235     CopyPlayfield(level.field, Tile);
10236     CopyPlayfield(TileBackup, level.field);
10237
10238     level_editor_test_game = FALSE;
10239   }
10240   else
10241   {
10242     edit_mode = ED_MODE_DRAWING;
10243     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
10244     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
10245
10246     ResetUndoBuffer();
10247
10248     level_xpos = -1;
10249     level_ypos = -1;
10250   }
10251
10252   // redraw_mask |= REDRAW_ALL;
10253
10254   FreeLevelEditorGadgets();
10255   CreateLevelEditorGadgets();
10256
10257   ReinitializeElementList();            // update dynamic level element list
10258   ReinitializeElementListButtons();     // custom element may look different
10259
10260   InitElementPropertiesGfxElement();
10261
10262   UnmapAllGadgets();
10263
10264   DrawEditModeWindow_PlayfieldOnly();
10265
10266   DrawMaskedBorder(fade_mask);
10267
10268   // use door animation if door 1 viewport is unchanged and contains toolbox
10269   if (useEditorDoorAnimation())
10270   {
10271     FadeIn(fade_mask);
10272
10273     DrawEditorDoorContent();
10274
10275     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
10276   }
10277   else
10278   {
10279     DrawEditorDoorContent();
10280
10281     FadeIn(fade_mask);
10282   }
10283
10284   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
10285 }
10286
10287 static void AdjustDrawingAreaGadgets(void)
10288 {
10289   int ed_xsize = lev_fieldx + 2;
10290   int ed_ysize = lev_fieldy + 2;
10291   int max_ed_fieldx = MAX_ED_FIELDX;
10292   int max_ed_fieldy = MAX_ED_FIELDY;
10293   boolean horizontal_scrollbar_needed;
10294   boolean vertical_scrollbar_needed;
10295   int x, y, width, height;
10296
10297   if (suppressBorderElement())
10298   {
10299     ed_xsize = lev_fieldx;
10300     ed_ysize = lev_fieldy;
10301   }
10302
10303   // check if we need any scrollbars
10304   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10305   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10306
10307   // check if we have a smaller editor field because of scrollbars
10308   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10309   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10310
10311   // check again if we now need more scrollbars because of less space
10312   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
10313   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
10314
10315   // check if editor field gets even smaller after adding new scrollbars
10316   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
10317   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
10318
10319   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
10320   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
10321
10322   x = SX + ed_fieldx * ed_tilesize;
10323   y = SY + ed_fieldy * ed_tilesize;
10324
10325   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
10326   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
10327
10328   // adjust drawing area gadget
10329   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
10330                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
10331                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
10332                GDI_END);
10333
10334   // adjust horizontal scrollbar gadgets
10335   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
10336                GDI_Y, y,
10337                GDI_END);
10338   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
10339                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
10340                GDI_Y, y,
10341                GDI_END);
10342   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
10343                GDI_Y, y,
10344                GDI_WIDTH, width,
10345                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
10346                GDI_END);
10347
10348   // adjust vertical scrollbar gadgets
10349   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
10350                GDI_X, x,
10351                GDI_END);
10352   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
10353                GDI_X, x,
10354                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
10355                GDI_END);
10356   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
10357                GDI_X, x,
10358                GDI_HEIGHT, height,
10359                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
10360                GDI_END);
10361 }
10362
10363 static void AdjustLevelScrollPosition(void)
10364 {
10365   if (level_xpos < -1)
10366     level_xpos = -1;
10367   if (level_xpos > lev_fieldx - ed_fieldx + 1)
10368     level_xpos = lev_fieldx - ed_fieldx + 1;
10369   if (lev_fieldx < ed_fieldx - 2)
10370     level_xpos = -1;
10371
10372   if (level_ypos < -1)
10373     level_ypos = -1;
10374   if (level_ypos > lev_fieldy - ed_fieldy + 1)
10375     level_ypos = lev_fieldy - ed_fieldy + 1;
10376   if (lev_fieldy < ed_fieldy - 2)
10377     level_ypos = -1;
10378
10379   if (suppressBorderElement())
10380   {
10381     level_xpos = 0;
10382     level_ypos = 0;
10383   }
10384 }
10385
10386 static void AdjustEditorScrollbar(int id)
10387 {
10388   struct GadgetInfo *gi = level_editor_gadget[id];
10389   int items_max, items_visible, item_position;
10390
10391   if (id == GADGET_ID_SCROLL_HORIZONTAL)
10392   {
10393     items_max = MAX(lev_fieldx + 2, ed_fieldx);
10394     items_visible = ed_fieldx;
10395     item_position = level_xpos + 1;
10396   }
10397   else
10398   {
10399     items_max = MAX(lev_fieldy + 2, ed_fieldy);
10400     items_visible = ed_fieldy;
10401     item_position = level_ypos + 1;
10402   }
10403
10404   if (item_position > items_max - items_visible)
10405     item_position = items_max - items_visible;
10406
10407   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10408                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10409 }
10410
10411 static void AdjustElementListScrollbar(void)
10412 {
10413   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
10414   int items_max, items_visible, item_position;
10415
10416   // correct position of element list scrollbar
10417   if (element_shift < 0)
10418     element_shift = 0;
10419   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
10420     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
10421
10422   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
10423   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
10424   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
10425
10426   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
10427                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
10428                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
10429 }
10430
10431 static void ModifyEditorCounterValue(int counter_id, int new_value)
10432 {
10433   int *counter_value = counterbutton_info[counter_id].value;
10434   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10435   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10436
10437   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
10438
10439   if (counter_value != NULL)
10440     *counter_value = gi->textinput.number_value;
10441 }
10442
10443 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
10444 {
10445   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
10446   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10447
10448   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
10449
10450   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
10451       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
10452   {
10453     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
10454     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
10455
10456     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
10457     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
10458                  GDI_END);
10459   }
10460 }
10461
10462 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
10463 {
10464   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10465   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10466   int new_index_value = setSelectboxValue(selectbox_id, new_value);
10467
10468   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
10469 }
10470
10471 static void ModifyEditorSelectboxOptions(int selectbox_id,
10472                                          struct ValueTextInfo *options)
10473 {
10474   int gadget_id = selectbox_info[selectbox_id].gadget_id;
10475   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10476
10477   selectbox_info[selectbox_id].options = options;
10478
10479   // set index to zero -- list may be shorter now (correct later, if needed)
10480   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
10481                GDI_SELECTBOX_OPTIONS, options, GDI_END);
10482 }
10483
10484 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
10485 {
10486   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
10487   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10488
10489   drawingarea_info[drawingarea_id].area_xsize = xsize;
10490   drawingarea_info[drawingarea_id].area_ysize = ysize;
10491
10492   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
10493 }
10494
10495 static void ModifyEditorElementList(void)
10496 {
10497   int i;
10498
10499   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
10500     return;
10501
10502   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
10503   {
10504     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
10505     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10506     struct GadgetDesign *gd = &gi->deco.design;
10507     int element = editor_elements[element_shift + i];
10508     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
10509
10510     UnmapGadget(gi);
10511
10512     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
10513
10514     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
10515
10516     MapGadget(gi);
10517   }
10518 }
10519
10520 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
10521 {
10522   int graphic = el2edimg(element);
10523   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
10524
10525   if (pos->x == -1 &&
10526       pos->y == -1)
10527     return;
10528
10529   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
10530 }
10531
10532 static void ModifyDrawingElementButton(int element, int id)
10533 {
10534   struct GadgetInfo *gi = level_editor_gadget[id];
10535   Bitmap *deco_bitmap;
10536   int deco_x, deco_y;
10537   int tile_size = gi->deco.width;
10538
10539   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
10540
10541   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
10542 }
10543
10544 static void PickDrawingElement(int button, int element)
10545 {
10546   struct
10547   {
10548     int *new_element;
10549     struct XYTileSize *pos;
10550     int id;
10551   } de, drawing_elements[] =
10552   {
10553     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
10554     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
10555     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
10556   };
10557
10558   if (button < 1 || button > 3)
10559     return;
10560
10561   if (IS_MM_WALL(element))
10562     element = map_mm_wall_element(element);
10563
10564   de = drawing_elements[button - 1];
10565
10566   *de.new_element = element;    // update global drawing element variable
10567
10568   DrawDrawingElementGraphic(element, de.pos);
10569   ModifyDrawingElementButton(element, de.id);
10570
10571   redraw_mask |= REDRAW_DOOR_1;
10572 }
10573
10574 static void RedrawDrawingElements(void)
10575 {
10576   PickDrawingElement(1, new_element1);
10577   PickDrawingElement(2, new_element2);
10578   PickDrawingElement(3, new_element3);
10579 }
10580
10581 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
10582 {
10583   stick_element_properties_window = FALSE;
10584
10585   SetMainBackgroundImage(IMG_UNDEFINED);
10586   ClearField();
10587
10588   UnmapLevelEditorFieldGadgets();
10589
10590   AdjustDrawingAreaGadgets();
10591   AdjustLevelScrollPosition();
10592   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
10593   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
10594
10595   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
10596
10597   MapMainDrawingArea();
10598
10599   if (remap_toolbox_gadgets)
10600   {
10601     UnmapLevelEditorToolboxCustomGadgets();
10602     MapLevelEditorToolboxDrawingGadgets();
10603   }
10604 }
10605
10606 static void DrawDrawingWindow(void)
10607 {
10608   DrawDrawingWindowExt(TRUE);
10609 }
10610
10611 static int getTabulatorBarWidth(void)
10612 {
10613   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10614   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
10615
10616   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
10617 }
10618
10619 static int getTabulatorBarHeight(void)
10620 {
10621   return ED_TAB_BAR_HEIGHT;
10622 }
10623
10624 static Pixel getTabulatorBarColor(void)
10625 {
10626   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10627   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10628   int gd_x = gd->x + gd_gi1->border.width / 2;
10629   int gd_y = gd->y + gd_gi1->height - 1;
10630
10631   return GetPixel(gd->bitmap, gd_x, gd_y);
10632 }
10633
10634 static void DrawLevelConfigTabulatorGadgets(void)
10635 {
10636   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
10637   Pixel tab_color = getTabulatorBarColor();
10638   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
10639   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
10640   int i;
10641
10642   // draw additional "engine" tabulator when using native BD engine
10643   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
10644     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
10645
10646   for (i = id_first; i <= id_last; i++)
10647   {
10648     int gadget_id = textbutton_info[i].gadget_id;
10649     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10650     boolean active = (i != edit_mode_levelconfig);
10651
10652     // draw background line below tabulator button
10653     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10654
10655     // draw solid line below inactive tabulator buttons
10656     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10657       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10658                     ED_GADGET_TINY_DISTANCE, tab_color);
10659
10660     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10661     MapTextbuttonGadget(i);
10662   }
10663
10664   // draw little border line below tabulator buttons
10665   if (tab_color != BLACK_PIXEL)                 // black => transparent
10666     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10667                   ED_GADGET_TINY_DISTANCE,
10668                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10669 }
10670
10671 static void DrawPropertiesTabulatorGadgets(void)
10672 {
10673   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
10674   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
10675   int gd_x = gd->x + gd_gi1->border.width / 2;
10676   int gd_y = gd->y + gd_gi1->height - 1;
10677   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
10678   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
10679   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
10680   int i;
10681
10682   // draw two config tabulators for player elements
10683   if (IS_PLAYER_ELEMENT(properties_element))
10684     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
10685
10686   // draw two config and one "change" tabulator for custom elements
10687   if (IS_CUSTOM_ELEMENT(properties_element))
10688     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
10689
10690   for (i = id_first; i <= id_last; i++)
10691   {
10692     int gadget_id = textbutton_info[i].gadget_id;
10693     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
10694     boolean active = (i != edit_mode_properties);
10695
10696     // use "config 1" and "config 2" instead of "config" for players and CEs
10697     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
10698         (IS_PLAYER_ELEMENT(properties_element) ||
10699          IS_CUSTOM_ELEMENT(properties_element)))
10700       continue;
10701
10702     // draw background line below tabulator button
10703     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
10704
10705     // draw solid line below inactive tabulator buttons
10706     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10707       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10708                     ED_GADGET_TINY_DISTANCE, tab_color);
10709
10710     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10711     MapTextbuttonGadget(i);
10712   }
10713
10714   // draw little border line below tabulator buttons
10715   if (tab_color != BLACK_PIXEL)                 // black => transparent
10716     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10717                   ED_GADGET_TINY_DISTANCE,
10718                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10719 }
10720
10721 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10722 {
10723   DrawText(SX + xpos, SY + ypos, text, font_nr);
10724 }
10725
10726 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10727                                            int xpos, int ypos)
10728 {
10729   int font_width = getFontWidth(font_nr);
10730   int font_height = getFontHeight(font_nr);
10731   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10732   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10733
10734   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10735                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10736                       TRUE, FALSE, FALSE);
10737 }
10738
10739 static void DrawLevelConfigLevel(void)
10740 {
10741   int i;
10742
10743   // draw counter gadgets
10744   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10745     MapCounterButtons(i);
10746
10747   // draw checkbutton gadgets
10748   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10749     MapCheckbuttonGadget(i);
10750
10751   // draw selectbox gadgets
10752   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10753     MapSelectboxGadget(i);
10754
10755   // draw text input gadgets
10756   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10757     MapTextInputGadget(i);
10758 }
10759
10760 static char *getLevelSubdirFromSaveMode(int save_mode)
10761 {
10762   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10763     return getNewUserLevelSubdir();
10764
10765   return leveldir_current->subdir;
10766 }
10767
10768 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10769 {
10770   char *directory_text = "Level set directory:";
10771   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10772   int font1_nr = FONT_TEXT_1;
10773   int font2_nr = FONT_TEXT_2;
10774   int font1_height = getFontHeight(font1_nr);
10775   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10776   int x = ED_LEVEL_SETTINGS_X(0);
10777   int y = ED_LEVEL_SETTINGS_Y(6);
10778
10779   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10780   PrintInfoText(directory_name, font2_nr, x, y);
10781 }
10782
10783 static void DrawLevelConfigLevelSet(void)
10784 {
10785   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10786   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10787   int i;
10788
10789   // draw counter gadgets
10790   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10791     MapCounterButtons(i);
10792
10793   // draw checkbutton gadgets
10794   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10795   {
10796     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10797         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10798         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10799       continue;
10800
10801     MapCheckbuttonGadget(i);
10802   }
10803
10804   // draw selectbox gadgets
10805   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10806     MapSelectboxGadget(i);
10807
10808   // draw text input gadgets
10809   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10810     MapTextInputGadget(i);
10811
10812   // draw textbutton gadgets
10813   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10814
10815   // draw info text
10816   DrawLevelConfigLevelSet_DirectoryInfo();
10817 }
10818
10819 static void DrawLevelConfigEditor(void)
10820 {
10821   int i;
10822
10823   // draw counter gadgets
10824   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10825     MapCounterButtons(i);
10826
10827   // draw checkbutton gadgets
10828   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10829     MapCheckbuttonGadget(i);
10830
10831   // draw radiobutton gadgets
10832   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10833     MapRadiobuttonGadget(i);
10834
10835   // draw drawing area
10836   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10837
10838   // draw textbutton gadgets
10839   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10840 }
10841
10842 static void DrawLevelConfigEngine(void)
10843 {
10844   int i;
10845
10846   // draw counter gadgets
10847   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10848   {
10849     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10850     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10851   }
10852   else
10853   {
10854     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10855     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10856   }
10857
10858   // draw checkbutton gadgets
10859   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10860     MapCheckbuttonGadget(i);
10861
10862   // draw selectbox gadgets
10863   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10864     MapSelectboxGadget(i);
10865 }
10866
10867 static void DrawLevelConfigWindow(void)
10868 {
10869   char *text = "Global Settings";
10870   int font_nr = FONT_TITLE_1;
10871   struct MenuPosInfo *pos = &editor.settings.headline;
10872   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10873   int sy = SY + pos->y;
10874
10875   stick_element_properties_window = FALSE;
10876
10877   SetAutomaticNumberOfGemsNeeded();
10878
10879   UnmapLevelEditorFieldGadgets();
10880
10881   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10882   ClearField();
10883
10884   DrawText(sx, sy, text, font_nr);
10885
10886   DrawLevelConfigTabulatorGadgets();
10887
10888   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10889     DrawLevelConfigLevel();
10890   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10891     DrawLevelConfigLevelSet();
10892   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10893     DrawLevelConfigEditor();
10894   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10895     DrawLevelConfigEngine();
10896 }
10897
10898 static void DrawCustomContentArea(void)
10899 {
10900   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10901   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10902   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10903   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10904   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10905   int xoffset = ED_GADGET_SPACE_DISTANCE;
10906
10907   // add distance for potential left text (without drawing area border)
10908   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10909
10910   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10911
10912   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10913 }
10914
10915 static void DrawCustomChangeContentArea(void)
10916 {
10917   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10918   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10919   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10920   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10921   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10922   int xoffset = ED_GADGET_SPACE_DISTANCE;
10923
10924   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10925
10926   MapDrawingArea(id);
10927 }
10928
10929 static void RemoveElementContentArea(int id, int font_height)
10930 {
10931   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10932
10933   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10934                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10935                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10936                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10937                  ED_GADGET_TEXT_DISTANCE + font_height);
10938 }
10939
10940 static void DrawYamYamContentAreas(void)
10941 {
10942   int font_nr = FONT_TEXT_1;
10943   int font_height = getFontHeight(font_nr);
10944   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10945   int yoffset = (tilesize - font_height) / 2;
10946   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10947   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10948   int i;
10949
10950   // display counter to choose number of element content areas
10951   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10952
10953   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10954   {
10955     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10956
10957     if (i < level.num_yamyam_contents)
10958     {
10959       MapDrawingArea(id);
10960     }
10961     else
10962     {
10963       UnmapDrawingArea(id);
10964
10965       // delete content areas in case of reducing number of them
10966       RemoveElementContentArea(id, font_height);
10967     }
10968   }
10969
10970   DrawText(x, y + 0 * tilesize, "content", font_nr);
10971   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10972   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10973 }
10974
10975 static void DrawMagicBallContentAreas(void)
10976 {
10977   int font_nr = FONT_TEXT_1;
10978   int font_height = getFontHeight(font_nr);
10979   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10980   int yoffset = (tilesize - font_height) / 2;
10981   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10982   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10983   int i;
10984
10985   // display counter to choose number of element content areas
10986   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10987
10988   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10989   {
10990     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10991
10992     if (i < level.num_ball_contents)
10993     {
10994       MapDrawingArea(id);
10995     }
10996     else
10997     {
10998       UnmapDrawingArea(id);
10999
11000       // delete content areas in case of reducing number of them
11001       RemoveElementContentArea(id, font_height);
11002     }
11003   }
11004
11005   DrawText(x, y + 0 * tilesize, "generated", font_nr);
11006   DrawText(x, y + 1 * tilesize, "when",      font_nr);
11007   DrawText(x, y + 2 * tilesize, "active",    font_nr);
11008 }
11009
11010 static void DrawAndroidElementArea(void)
11011 {
11012   int id = ED_DRAWING_ID_ANDROID_CONTENT;
11013   int num_elements = level.num_android_clone_elements;
11014   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11015   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11016   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11017   int xsize = MAX_ANDROID_ELEMENTS;
11018   int ysize = 1;
11019
11020   // display counter to choose number of element areas
11021   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
11022
11023   if (drawingarea_info[id].text_left != NULL)
11024     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11025
11026   UnmapDrawingArea(id);
11027
11028   ModifyEditorDrawingArea(id, num_elements, 1);
11029
11030   // delete content areas in case of reducing number of them
11031   DrawBackground(sx, sy,
11032                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11033                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11034
11035   MapDrawingArea(id);
11036 }
11037
11038 static void DrawGroupElementArea(void)
11039 {
11040   int id = ED_DRAWING_ID_GROUP_CONTENT;
11041   int num_elements = group_element_info.num_elements;
11042   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11043   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11044   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11045   int xsize = MAX_ELEMENTS_IN_GROUP;
11046   int ysize = 1;
11047
11048   if (drawingarea_info[id].text_left != NULL)
11049     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11050
11051   UnmapDrawingArea(id);
11052
11053   ModifyEditorDrawingArea(id, num_elements, 1);
11054
11055   // delete content areas in case of reducing number of them
11056   DrawBackground(sx, sy,
11057                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11058                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11059
11060   MapDrawingArea(id);
11061 }
11062
11063 static void DrawPlayerInitialInventoryArea(int element)
11064 {
11065   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
11066   int player_nr = GET_PLAYER_NR(element);
11067   int num_elements = level.initial_inventory_size[player_nr];
11068   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11069   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11070   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11071   int xsize = MAX_INITIAL_INVENTORY_SIZE;
11072   int ysize = 1;
11073
11074   // determine horizontal position to the right of specified gadget
11075   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
11076     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
11077           ED_DRAWINGAREA_TEXT_DISTANCE);
11078
11079   // determine horizontal offset for leading text
11080   if (drawingarea_info[id].text_left != NULL)
11081     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11082
11083   UnmapDrawingArea(id);
11084
11085   ModifyEditorDrawingArea(id, num_elements, 1);
11086
11087   // delete content areas in case of reducing number of them
11088   DrawBackground(sx, sy,
11089                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11090                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11091
11092   MapDrawingArea(id);
11093 }
11094
11095 static void DrawMMBallContentArea(void)
11096 {
11097   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
11098   int num_elements = level.num_mm_ball_contents;
11099   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
11100   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
11101   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
11102   int xsize = MAX_MM_BALL_CONTENTS;
11103   int ysize = 1;
11104
11105   if (drawingarea_info[id].text_left != NULL)
11106     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
11107
11108   UnmapDrawingArea(id);
11109
11110   ModifyEditorDrawingArea(id, num_elements, 1);
11111
11112   // delete content areas in case of reducing number of them
11113   DrawBackground(sx, sy,
11114                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
11115                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
11116
11117   MapDrawingArea(id);
11118 }
11119
11120 static void DrawEnvelopeTextArea(int envelope_nr)
11121 {
11122   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
11123   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
11124
11125   UnmapGadget(gi);
11126
11127   DrawBackground(gi->x, gi->y,
11128                  gi->textarea.crop_width, gi->textarea.crop_height);
11129
11130   if (envelope_nr != -1)
11131     textarea_info[id].value = level.envelope[envelope_nr].text;
11132
11133   ModifyGadget(gi, GDI_AREA_SIZE,
11134                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
11135                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
11136                GDI_END);
11137
11138   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
11139 }
11140
11141 static void DrawPropertiesInfo(void)
11142 {
11143   static struct
11144   {
11145     int value;
11146     char *text;
11147   }
11148   properties[] =
11149   {
11150     // configurable properties
11151
11152     { EP_WALKABLE_OVER,         "- player can walk over it"             },
11153     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
11154     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
11155     { EP_PASSABLE_OVER,         "- player can pass over it"             },
11156     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
11157     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
11158     { EP_PROTECTED,             "- player is protected by it"           },
11159
11160     { EP_DIGGABLE,              "- can be digged away"                  },
11161     { EP_COLLECTIBLE,           "- can be collected"                    },
11162     { EP_DROPPABLE,             "- can be dropped after collecting"     },
11163     { EP_THROWABLE,             "- can be thrown after collecting"      },
11164     { EP_PUSHABLE,              "- can be pushed"                       },
11165
11166     { EP_CAN_FALL,              "- can fall"                            },
11167     { EP_CAN_MOVE,              "- can move"                            },
11168
11169     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
11170 #if 0
11171     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
11172 #endif
11173     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
11174
11175     { EP_SLIPPERY,              "- slippery for falling elements"       },
11176     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
11177
11178     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
11179     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
11180     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
11181     { EP_DONT_TOUCH,            "- deadly when touching"                },
11182
11183     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
11184
11185     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
11186     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
11187     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
11188
11189     { EP_CAN_CHANGE,            "- can change to other element"         },
11190
11191     // pre-defined properties
11192     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
11193     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
11194     { EP_SWITCHABLE,            "- can be switched"                     },
11195 #if 0
11196     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
11197 #endif
11198
11199     { -1,                       NULL                                    }
11200   };
11201   char *filename = getElementDescriptionFilename(properties_element);
11202   char *num_elements_text = "In this level: ";
11203   char *num_similar_text = "Similar tiles: ";
11204   char *properties_text = "Standard properties: ";
11205   char *description_text = "Description:";
11206   char *no_description_text = "No description available.";
11207   char *none_text = "None";
11208   float percentage;
11209   int num_elements_in_level = 0;
11210   int num_similar_in_level = 0;
11211   int num_hires_tiles_in_level = 0;
11212   int num_standard_properties = 0;
11213   int font1_nr = FONT_TEXT_1;
11214   int font2_nr = FONT_TEXT_2;
11215   int font1_width = getFontWidth(font1_nr);
11216   int font1_height = getFontHeight(font1_nr);
11217   int font2_height = getFontHeight(font2_nr);
11218   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
11219   int font2_yoffset = (font1_height - font2_height) / 2;
11220   int num_elements_text_len = strlen(num_elements_text) * font1_width;
11221   int num_similar_text_len = strlen(num_similar_text) * font1_width;
11222   int properties_text_len = strlen(properties_text) * font1_width;
11223   int xpos = ED_ELEMENT_SETTINGS_X(0);
11224   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11225   int i, x, y;
11226
11227   if (setup.editor.show_element_token)
11228   {
11229     int font3_nr = FONT_TEXT_3;
11230     int font3_height = getFontHeight(font3_nr);
11231
11232     DrawTextF(xpos, ypos, font3_nr,
11233               "[%s]", element_info[properties_element].token_name);
11234
11235     ypos += 2 * font3_height;
11236   }
11237
11238   // ----- print number of elements / percentage of this element in level
11239
11240   for (y = 0; y < lev_fieldy; y++)
11241   {
11242     for (x = 0; x < lev_fieldx; x++)
11243     {
11244       if (Tile[x][y] == properties_element)
11245       {
11246         num_elements_in_level++;
11247       }
11248       else if (IS_MM_WALL(Tile[x][y]) &&
11249                map_mm_wall_element(Tile[x][y]) == properties_element)
11250       {
11251         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
11252       }
11253     }
11254   }
11255
11256   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11257
11258   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
11259
11260   if (num_hires_tiles_in_level > 0)
11261     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11262               "%d wall tiles", num_hires_tiles_in_level);
11263   else if (num_elements_in_level > 0)
11264     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11265               "%d (%.2f %%)", num_elements_in_level, percentage);
11266   else
11267     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
11268               none_text);
11269
11270   // ----- print number of similar elements / percentage of them in level
11271
11272   for (y = 0; y < lev_fieldy; y++)
11273   {
11274     for (x = 0; x < lev_fieldx; x++)
11275     {
11276       if (strEqual(element_info[Tile[x][y]].class_name,
11277                    element_info[properties_element].class_name))
11278       {
11279         num_similar_in_level++;
11280       }
11281     }
11282   }
11283
11284   if (num_similar_in_level != num_elements_in_level)
11285   {
11286     ypos += 1 * MAX(font1_height, font2_height);
11287
11288     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
11289
11290     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
11291
11292     if (num_similar_in_level > 0)
11293       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11294                 "%d (%.2f %%)", num_similar_in_level, percentage);
11295     else
11296       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
11297                 none_text);
11298   }
11299
11300   ypos += 2 * MAX(font1_height, font2_height);
11301
11302   // ----- print standard properties of this element
11303
11304   DrawTextS(xpos, ypos, font1_nr, properties_text);
11305
11306   ypos += line1_height;
11307
11308   for (i = 0; properties[i].value != -1; i++)
11309   {
11310     if (!HAS_PROPERTY(properties_element, properties[i].value))
11311       continue;
11312
11313     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
11314
11315     ypos += font2_height;
11316
11317     num_standard_properties++;
11318   }
11319
11320   if (num_standard_properties == 0)
11321   {
11322     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
11323               font2_nr, none_text);
11324
11325     ypos -= (line1_height - font1_height);
11326   }
11327
11328   ypos += MAX(font1_height, font2_height);
11329
11330   // ----- print special description of this element
11331
11332   PrintInfoText(description_text, font1_nr, xpos, ypos);
11333
11334   ypos += line1_height;
11335
11336   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
11337     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
11338 }
11339
11340 #define TEXT_COLLECTING                 "Score for collecting"
11341 #define TEXT_COLLECTING_EXTRA           "Score for extra diamonds"
11342 #define TEXT_SMASHING                   "Score for smashing"
11343 #define TEXT_SLURPING                   "Score for slurping robot"
11344 #define TEXT_CRACKING                   "Score for cracking"
11345 #define TEXT_AMOEBA_SPEED               "Speed of amoeba growth"
11346 #define TEXT_AMOEBA_THRESHOED           "Size for turning to rocks"
11347 #define TEXT_AMOEBA_SLOW_TIME           "Slow growth time (seconds)"
11348 #define TEXT_AMOEBA_SLOW_RATE           "Slow growth rate (percent)"
11349 #define TEXT_AMOEBA_FAST_RATE           "Fast growth rate (percent)"
11350 #define TEXT_DURATION                   "Duration when activated"
11351 #define TEXT_DELAY_ON                   "Delay before activating"
11352 #define TEXT_DELAY_OFF                  "Delay before deactivating"
11353 #define TEXT_DELAY_CHANGING             "Delay before changing"
11354 #define TEXT_DELAY_EXPLODING            "Delay before exploding"
11355 #define TEXT_DELAY_MOVING               "Delay before moving"
11356 #define TEXT_BALL_DELAY                 "Element generation delay"
11357 #define TEXT_MOVE_SPEED                 "Speed of android moving"
11358 #define TEXT_CLONE_SPEED                "Speed of android cloning"
11359 #define TEXT_GAME_OF_LIFE_1             "Min neighbours to survive"
11360 #define TEXT_GAME_OF_LIFE_2             "Max neighbours to survive"
11361 #define TEXT_GAME_OF_LIFE_3             "Min neighbours to create"
11362 #define TEXT_GAME_OF_LIFE_4             "Max neighbours to create"
11363 #define TEXT_TIME_BONUS                 "Extra time to solve level"
11364 #define TEXT_TIME_PENALTY               "Time penalty if destroyed"
11365 #define TEXT_PERMEABILITY_RATE          "slime permeability rate"
11366 #define TEXT_PERMEABILITY_BITS          "slime permeability bits"
11367 #define TEXT_RANDOM_SEED                "slime random number seed"
11368 #define TEXT_ACID_SPREAD_RATE           "Spread rate (percent)"
11369 #define TEXT_BITER_MOVE_DELAY           "Move delay (BD frames)"
11370 #define TEXT_REPLICATION_DELAY          "Create delay (BD frames)"
11371 #define TEXT_HAMMER_BREAK_DELAY         "Delay for breaking walls"
11372 #define TEXT_HAMMER_REAPPEAR_DELAY      "Delay for reappearing walls"
11373 #define TEXT_SKELETONS_NEEDED           "Skeletons needed to use pot"
11374 #define TEXT_SKELETONS_WORTH            "Counts as this many diamonds"
11375 #define TEXT_AUTO_TURN_DELAY            "Creatures auto turn delay"
11376 #define TEXT_GRAVITY_DELAY              "Gravity switch change delay"
11377
11378 static struct
11379 {
11380   int element;
11381   int *value;
11382   char *text;
11383   int min_value;
11384   int max_value;
11385 } elements_with_counter[] =
11386 {
11387   { EL_EMERALD,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11388   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11389   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA],         TEXT_COLLECTING_EXTRA   },
11390   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11391   { EL_EMERALD_RED,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11392   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11393   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11394   { EL_DIAMOND,                 &level.score[SC_DIAMOND],               TEXT_COLLECTING         },
11395   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],               TEXT_COLLECTING         },
11396   { EL_PEARL,                   &level.score[SC_PEARL],                 TEXT_COLLECTING         },
11397   { EL_BUG,                     &level.score[SC_BUG],                   TEXT_SMASHING           },
11398   { EL_BUG_RIGHT,               &level.score[SC_BUG],                   TEXT_SMASHING           },
11399   { EL_BUG_UP,                  &level.score[SC_BUG],                   TEXT_SMASHING           },
11400   { EL_BUG_LEFT,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11401   { EL_BUG_DOWN,                &level.score[SC_BUG],                   TEXT_SMASHING           },
11402   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],                   TEXT_SMASHING           },
11403   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],                   TEXT_SMASHING           },
11404   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],                   TEXT_SMASHING           },
11405   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11406   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],                   TEXT_SMASHING           },
11407   { EL_SP_ELECTRON,             &level.score[SC_BUG],                   TEXT_SMASHING           },
11408   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11409   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11410   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11411   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11412   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11413   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11414   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11415   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11416   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11417   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11418   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],             TEXT_SMASHING           },
11419   { EL_YAMYAM,                  &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11420   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11421   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11422   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11423   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11424   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],                TEXT_SMASHING           },
11425   { EL_ROBOT,                   &level.score[SC_ROBOT],                 TEXT_SMASHING           },
11426   { EL_PACMAN,                  &level.score[SC_PACMAN],                TEXT_SMASHING           },
11427   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11428   { EL_PACMAN_UP,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11429   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11430   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],                TEXT_SMASHING           },
11431   { EL_NUT,                     &level.score[SC_NUT],                   TEXT_CRACKING           },
11432   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11433   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11434   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11435   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11436   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],              TEXT_COLLECTING         },
11437   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11438   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],                TEXT_COLLECTING         },
11439   { EL_EXTRA_TIME,              &level.extra_time_score,                TEXT_COLLECTING         },
11440   { EL_KEY_1,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11441   { EL_KEY_2,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11442   { EL_KEY_3,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11443   { EL_KEY_4,                   &level.score[SC_KEY],                   TEXT_COLLECTING         },
11444   { EL_EM_KEY_1,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11445   { EL_EM_KEY_2,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11446   { EL_EM_KEY_3,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11447   { EL_EM_KEY_4,                &level.score[SC_KEY],                   TEXT_COLLECTING         },
11448   { EL_EMC_KEY_5,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11449   { EL_EMC_KEY_6,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11450   { EL_EMC_KEY_7,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11451   { EL_EMC_KEY_8,               &level.score[SC_KEY],                   TEXT_COLLECTING         },
11452   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],                   TEXT_COLLECTING         },
11453   { EL_MM_KETTLE,               &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11454   { EL_DF_CELL,                 &level.score[SC_EMERALD],               TEXT_COLLECTING         },
11455   { EL_MM_KEY,                  &level.score[SC_KEY],                   TEXT_COLLECTING         },
11456   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],            TEXT_COLLECTING         },
11457   { EL_MM_PACMAN,               &level.score[SC_PACMAN],                TEXT_SMASHING           },
11458   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],                TEXT_SMASHING           },
11459   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],                TEXT_SMASHING           },
11460   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11461   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],                TEXT_SMASHING           },
11462   { EL_AMOEBA_WET,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11463   { EL_AMOEBA_DRY,              &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11464   { EL_AMOEBA_FULL,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11465   { EL_BD_AMOEBA,               &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11466   { EL_EMC_DRIPPER,             &level.amoeba_speed,                    TEXT_AMOEBA_SPEED       },
11467   { EL_BD_AMOEBA,               &level.bd_amoeba_threshold_too_big,     TEXT_AMOEBA_THRESHOED   },
11468   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_time,      TEXT_AMOEBA_SLOW_TIME   },
11469   { EL_BD_AMOEBA,               &level.bd_amoeba_slow_growth_rate,      TEXT_AMOEBA_SLOW_RATE,
11470                                 0, 100                                                          },
11471   { EL_BD_AMOEBA,               &level.bd_amoeba_fast_growth_rate,      TEXT_AMOEBA_FAST_RATE,
11472                                 0, 100                                                          },
11473   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_threshold_too_big,   TEXT_AMOEBA_THRESHOED   },
11474   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_time,    TEXT_AMOEBA_SLOW_TIME   },
11475   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_slow_growth_rate,    TEXT_AMOEBA_SLOW_RATE,
11476                                 0, 100                                                          },
11477   { EL_BD_AMOEBA_2,             &level.bd_amoeba_2_fast_growth_rate,    TEXT_AMOEBA_FAST_RATE,
11478                                 0, 100                                                          },
11479   { EL_MAGIC_WALL,              &level.time_magic_wall,                 TEXT_DURATION           },
11480   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11481   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,                 TEXT_DURATION           },
11482   { EL_ROBOT_WHEEL,             &level.time_wheel,                      TEXT_DURATION           },
11483   { EL_TIMEGATE_SWITCH,         &level.time_timegate,                   TEXT_DURATION           },
11484   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,                   TEXT_DURATION           },
11485   { EL_LIGHT_SWITCH,            &level.time_light,                      TEXT_DURATION           },
11486   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,                      TEXT_DURATION           },
11487   { EL_SHIELD_NORMAL,           &level.shield_normal_time,              TEXT_DURATION           },
11488   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,              TEXT_DURATION           },
11489   { EL_BD_CLOCK,                &level.bd_clock_extra_time,             TEXT_TIME_BONUS,
11490                                 -100, 100                                                       },
11491   { EL_BD_VOODOO_DOLL,          &level.bd_voodoo_penalty_time,          TEXT_TIME_PENALTY,
11492                                 0, 100                                                          },
11493   { EL_BD_SLIME,                &level.bd_slime_permeability_rate,      TEXT_PERMEABILITY_RATE,
11494                                 0, 100                                                          },
11495   { EL_BD_SLIME,                &level.bd_slime_permeability_bits_c64,  TEXT_PERMEABILITY_BITS,
11496                                 0, 255                                                          },
11497   { EL_BD_SLIME,                &level.bd_slime_random_seed_c64,        TEXT_RANDOM_SEED,
11498                                 -1, 65535                                                       },
11499   { EL_BD_ACID,                 &level.bd_acid_spread_rate,             TEXT_ACID_SPREAD_RATE,
11500                                 0, 100                                                          },
11501   { EL_BD_BITER,                &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11502                                 0, 3                                                            },
11503   { EL_BD_BITER_RIGHT,          &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11504                                 0, 3                                                            },
11505   { EL_BD_BITER_UP,             &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11506                                 0, 3                                                            },
11507   { EL_BD_BITER_LEFT,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11508                                 0, 3                                                            },
11509   { EL_BD_BITER_DOWN,           &level.bd_biter_move_delay,             TEXT_BITER_MOVE_DELAY,
11510                                 0, 3                                                            },
11511   { EL_BD_REPLICATOR,           &level.bd_replicator_create_delay,      TEXT_REPLICATION_DELAY,
11512                                 0, 100                                                          },
11513   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_break_delay,     TEXT_HAMMER_BREAK_DELAY,
11514                                 1, 100                                                          },
11515   { EL_BD_PNEUMATIC_HAMMER,     &level.bd_hammer_walls_reappear_delay,  TEXT_HAMMER_REAPPEAR_DELAY,
11516                                 1, 200                                                          },
11517   { EL_BD_POT,                  &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11518                                 0, 50                                                           },
11519   { EL_BD_SKELETON,             &level.bd_num_skeletons_needed_for_pot, TEXT_SKELETONS_NEEDED,
11520                                 0, 50                                                           },
11521   { EL_BD_SKELETON,             &level.bd_skeleton_worth_num_diamonds,  TEXT_SKELETONS_WORTH,
11522                                 0, 10                                                           },
11523   { EL_BD_CREATURE_SWITCH,      &level.bd_creatures_auto_turn_delay,    TEXT_AUTO_TURN_DELAY    },
11524   { EL_BD_GRAVITY_SWITCH,       &level.bd_gravity_switch_delay,         TEXT_GRAVITY_DELAY,
11525                                 1, 60                                                           },
11526   { EL_EXTRA_TIME,              &level.extra_time,                      TEXT_TIME_BONUS         },
11527   { EL_TIME_ORB_FULL,           &level.time_orb_time,                   TEXT_TIME_BONUS         },
11528   { EL_GAME_OF_LIFE,            &level.game_of_life[0],                 TEXT_GAME_OF_LIFE_1,0,8 },
11529   { EL_GAME_OF_LIFE,            &level.game_of_life[1],                 TEXT_GAME_OF_LIFE_2,0,8 },
11530   { EL_GAME_OF_LIFE,            &level.game_of_life[2],                 TEXT_GAME_OF_LIFE_3,0,8 },
11531   { EL_GAME_OF_LIFE,            &level.game_of_life[3],                 TEXT_GAME_OF_LIFE_4,0,8 },
11532   { EL_BIOMAZE,                 &level.biomaze[0],                      TEXT_GAME_OF_LIFE_1,0,8 },
11533   { EL_BIOMAZE,                 &level.biomaze[1],                      TEXT_GAME_OF_LIFE_2,0,8 },
11534   { EL_BIOMAZE,                 &level.biomaze[2],                      TEXT_GAME_OF_LIFE_3,0,8 },
11535   { EL_BIOMAZE,                 &level.biomaze[3],                      TEXT_GAME_OF_LIFE_4,0,8 },
11536   { EL_EMC_ANDROID,             &level.android_move_time,               TEXT_MOVE_SPEED         },
11537   { EL_EMC_ANDROID,             &level.android_clone_time,              TEXT_CLONE_SPEED        },
11538   { EL_EMC_MAGIC_BALL,          &level.ball_time,                       TEXT_BALL_DELAY         },
11539   { EL_EMC_LENSES,              &level.lenses_score,                    TEXT_COLLECTING         },
11540   { EL_EMC_MAGNIFIER,           &level.magnify_score,                   TEXT_COLLECTING         },
11541   { EL_SPRING,                  &level.slurp_score,                     TEXT_SLURPING           },
11542   { EL_SPRING_LEFT,             &level.slurp_score,                     TEXT_SLURPING           },
11543   { EL_SPRING_RIGHT,            &level.slurp_score,                     TEXT_SLURPING           },
11544   { EL_EMC_LENSES,              &level.lenses_time,                     TEXT_DURATION           },
11545   { EL_EMC_MAGNIFIER,           &level.magnify_time,                    TEXT_DURATION           },
11546   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,                    TEXT_DELAY_OFF          },
11547   { EL_MM_BOMB,                 &level.mm_time_bomb,                    TEXT_DELAY_EXPLODING    },
11548   { EL_MM_GRAY_BALL,            &level.mm_time_ball,                    TEXT_DELAY_CHANGING     },
11549   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11550   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,                   TEXT_DELAY_MOVING       },
11551
11552   { -1,                         NULL,                                   NULL                    }
11553 };
11554
11555 static boolean checkPropertiesConfig(int element)
11556 {
11557   int i;
11558
11559   // special case: empty space customization only available in R'n'D game engine
11560   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
11561     return FALSE;
11562
11563   // special case: BD style rock customization only available in BD game engine
11564   if (element == EL_BD_ROCK && level.game_engine_type != GAME_ENGINE_TYPE_BD)
11565     return FALSE;
11566
11567   if (IS_GEM(element) ||
11568       IS_CUSTOM_ELEMENT(element) ||
11569       IS_GROUP_ELEMENT(element) ||
11570       IS_EMPTY_ELEMENT(element) ||
11571       IS_BALLOON_ELEMENT(element) ||
11572       IS_ENVELOPE(element) ||
11573       IS_MM_ENVELOPE(element) ||
11574       IS_MM_MCDUFFIN(element) ||
11575       IS_DF_LASER(element) ||
11576       IS_PLAYER_ELEMENT(element) ||
11577       IS_BD_PLAYER_ELEMENT(element) ||
11578       IS_BD_EXPANDABLE_WALL(properties_element) ||
11579       IS_BD_EXPANDABLE_STEELWALL(properties_element) ||
11580       IS_BD_CONVEYOR_BELT(properties_element) ||
11581       IS_BD_CONVEYOR_BELT_SWITCH(properties_element) ||
11582       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
11583       HAS_EDITOR_CONTENT(element) ||
11584       CAN_GROW(element) ||
11585       COULD_MOVE_INTO_ACID(element) ||
11586       MAYBE_DONT_COLLIDE_WITH(element) ||
11587       element == EL_BD_SAND ||
11588       element == EL_BD_ROCK ||
11589       element == EL_BD_MEGA_ROCK ||
11590       element == EL_BD_SWEET ||
11591       element == EL_BD_VOODOO_DOLL ||
11592       element == EL_BD_WATER ||
11593       element == EL_BD_GRAVITY_SWITCH)
11594   {
11595     return TRUE;
11596   }
11597   else
11598   {
11599     for (i = 0; elements_with_counter[i].element != -1; i++)
11600       if (elements_with_counter[i].element == element)
11601         return TRUE;
11602   }
11603
11604   return FALSE;
11605 }
11606
11607 static void SetAutomaticNumberOfGemsNeeded(void)
11608 {
11609   int x, y;
11610
11611   if (!level.auto_count_gems)
11612     return;
11613
11614   level.gems_needed = 0;
11615
11616   for (x = 0; x < lev_fieldx; x++)
11617   {
11618     for (y = 0; y < lev_fieldy; y++)
11619     {
11620       int element = Tile[x][y];
11621
11622       switch (element)
11623       {
11624         case EL_EMERALD:
11625         case EL_EMERALD_YELLOW:
11626         case EL_EMERALD_RED:
11627         case EL_EMERALD_PURPLE:
11628         case EL_BD_DIAMOND:
11629         case EL_WALL_EMERALD:
11630         case EL_WALL_EMERALD_YELLOW:
11631         case EL_WALL_EMERALD_RED:
11632         case EL_WALL_EMERALD_PURPLE:
11633         case EL_WALL_BD_DIAMOND:
11634         case EL_NUT:
11635         case EL_SP_INFOTRON:
11636         case EL_MM_KETTLE:
11637         case EL_DF_CELL:
11638           level.gems_needed++;
11639           break;
11640
11641         case EL_DIAMOND:
11642         case EL_WALL_DIAMOND:
11643           level.gems_needed += 3;
11644           break;
11645
11646         case EL_PEARL:
11647         case EL_WALL_PEARL:
11648           level.gems_needed += 5;
11649           break;
11650
11651         case EL_CRYSTAL:
11652         case EL_WALL_CRYSTAL:
11653           level.gems_needed += 8;
11654           break;
11655
11656         default:
11657           break;
11658       }
11659     }
11660   }
11661
11662   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
11663 }
11664
11665 static void DrawPropertiesConfig(void)
11666 {
11667   boolean draw_footer_line = FALSE;
11668   int max_num_element_counters = 4;
11669   int num_element_counters = 0;
11670   int i;
11671
11672   if (!checkPropertiesConfig(properties_element))
11673   {
11674     int xpos = ED_ELEMENT_SETTINGS_X(0);
11675     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
11676
11677     PrintInfoText("No configuration options available.", FONT_TEXT_1, xpos, ypos);
11678
11679     return;
11680   }
11681
11682   // check if there are elements where a value can be chosen for
11683   for (i = 0; elements_with_counter[i].element != -1; i++)
11684   {
11685     if (elements_with_counter[i].element != properties_element)
11686       continue;
11687
11688     // special case: score for extra diamonds only available in BD game engine
11689     if (elements_with_counter[i].element == EL_BD_DIAMOND &&
11690         elements_with_counter[i].value == &level.score[SC_DIAMOND_EXTRA] &&
11691         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11692       continue;
11693
11694     // special case: some amoeba counters only available in BD game engine
11695     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11696         elements_with_counter[i].value != &level.amoeba_speed &&
11697         level.game_engine_type != GAME_ENGINE_TYPE_BD)
11698       continue;
11699
11700     // special case: some amoeba counters only available in R'n'D game engine
11701     if (elements_with_counter[i].element == EL_BD_AMOEBA &&
11702         elements_with_counter[i].value == &level.amoeba_speed &&
11703         level.game_engine_type == GAME_ENGINE_TYPE_BD)
11704       continue;
11705
11706     int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
11707
11708     counterbutton_info[counter_id].y =
11709       ED_ELEMENT_SETTINGS_YPOS((HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
11710                                (CAN_GROW(properties_element)                ? 1 : 0) +
11711                                (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
11712                                (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
11713                                (properties_element == EL_BD_VOODOO_DOLL     ? 4 : 0) +
11714                                (properties_element == EL_BD_SLIME           ? 1 : 0) +
11715                                (properties_element == EL_BD_ACID            ? 1 : 0) +
11716                                (properties_element == EL_BD_REPLICATOR      ? 1 : 0) +
11717                                (properties_element == EL_BD_CREATURE_SWITCH ? 2 : 0) +
11718                                (properties_element == EL_BD_GRAVITY_SWITCH  ? 2 : 0) +
11719                                (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
11720                                num_element_counters);
11721
11722     // special case: set magic wall counter for BD game engine separately
11723     if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11724       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(1);
11725
11726     // special case: set amoeba counters for BD game engine separately
11727     if ((properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD) ||
11728         (properties_element == EL_BD_AMOEBA_2))
11729       counterbutton_info[counter_id].y = ED_ELEMENT_SETTINGS_YPOS(3 + num_element_counters);
11730
11731     // special case: set position for delay counter for reappearing hammered walls
11732     if (properties_element == EL_BD_PNEUMATIC_HAMMER && num_element_counters > 0)
11733       counterbutton_info[counter_id].y += 1;
11734
11735     counterbutton_info[counter_id].value      = elements_with_counter[i].value;
11736     counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
11737     counterbutton_info[counter_id].min_value  = elements_with_counter[i].min_value;
11738     counterbutton_info[counter_id].max_value  = elements_with_counter[i].max_value;
11739
11740     // default: counter values between 0 and 999
11741     if (counterbutton_info[counter_id].max_value == 0)
11742       counterbutton_info[counter_id].max_value = 999;
11743
11744     MapCounterButtons(counter_id);
11745
11746     num_element_counters++;
11747     if (num_element_counters >= max_num_element_counters)
11748       break;
11749   }
11750
11751   if (properties_element == EL_BD_MAGIC_WALL && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11752   {
11753     // draw stickybutton gadget
11754     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11755
11756     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_WAIT_HATCHING);
11757     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_MAGIC_WALL_STOPS_AMOEBA);
11758
11759     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_DIAMOND_TO);
11760     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_ROCK_TO);
11761     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_MEGA_ROCK_TO);
11762     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NUT_TO);
11763     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_NITRO_PACK_TO);
11764     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_DIAMOND_TO);
11765     MapDrawingArea(ED_DRAWING_ID_BD_MAGIC_WALL_FLYING_ROCK_TO);
11766   }
11767
11768   if (HAS_EDITOR_CONTENT(properties_element))
11769   {
11770     // draw stickybutton gadget
11771     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11772
11773     if (properties_element == EL_BD_AMOEBA && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11774     {
11775       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11776       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11777
11778       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_TOO_BIG);
11779       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_CONTENT_ENCLOSED);
11780     }
11781     else if (properties_element == EL_BD_AMOEBA_2)
11782     {
11783       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_WAIT_FOR_HATCHING);
11784       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_START_IMMEDIATELY);
11785       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_AMOEBA_2_EXPLODE_BY_AMOEBA);
11786
11787       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_TOO_BIG);
11788       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_ENCLOSED);
11789       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_EXPLODING);
11790       MapDrawingArea(ED_DRAWING_ID_BD_AMOEBA_2_CONTENT_LOOKS_LIKE);
11791     }
11792     else if (IS_AMOEBOID(properties_element))
11793       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
11794     else if (properties_element == EL_BD_ACID)
11795     {
11796       MapDrawingArea(ED_DRAWING_ID_BD_ACID_EATS_ELEMENT);
11797       MapDrawingArea(ED_DRAWING_ID_BD_ACID_TURNS_TO_ELEMENT);
11798     }
11799     else if (IS_BD_BITER(properties_element))
11800     {
11801       MapDrawingArea(ED_DRAWING_ID_BD_BITER_EATS_ELEMENT);
11802     }
11803     else if (properties_element == EL_BD_BLADDER)
11804     {
11805       MapDrawingArea(ED_DRAWING_ID_BD_BLADDER_CONVERTS_BY_ELEMENT);
11806     }
11807     else if (properties_element == EL_YAMYAM ||
11808              properties_element == EL_YAMYAM_LEFT ||
11809              properties_element == EL_YAMYAM_RIGHT ||
11810              properties_element == EL_YAMYAM_UP ||
11811              properties_element == EL_YAMYAM_DOWN)
11812       DrawYamYamContentAreas();
11813     else if (properties_element == EL_EMC_MAGIC_BALL)
11814     {
11815       DrawMagicBallContentAreas();
11816
11817       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
11818       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
11819     }
11820     else if (properties_element == EL_EMC_ANDROID)
11821       DrawAndroidElementArea();
11822     else if (properties_element == EL_MM_GRAY_BALL)
11823     {
11824       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
11825       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
11826       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
11827       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
11828
11829       DrawMMBallContentArea();
11830     }
11831   }
11832
11833   if (IS_PLAYER_ELEMENT(properties_element))
11834   {
11835     int player_nr = GET_PLAYER_NR(properties_element);
11836
11837     // these properties can be set for every player individually
11838
11839     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11840     {
11841       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
11842         &level.start_element[player_nr];
11843       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
11844         &level.artwork_element[player_nr];
11845       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
11846         &level.explosion_element[player_nr];
11847
11848       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
11849         &level.use_start_element[player_nr];
11850       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
11851         &level.use_artwork_element[player_nr];
11852       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
11853         &level.use_explosion_element[player_nr];
11854       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
11855         &level.initial_player_gravity[player_nr];
11856
11857       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
11858         &level.initial_player_stepsize[player_nr];
11859
11860       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
11861       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
11862                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
11863                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
11864       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
11865       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
11866       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
11867       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
11868       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
11869       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
11870       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11871       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11872       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11873       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11874       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11875
11876       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11877       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11878       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11879
11880       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11881     }
11882     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11883     {
11884       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11885         &level.initial_inventory_content[player_nr][0];
11886
11887       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11888         &level.initial_inventory_size[player_nr];
11889
11890       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11891         &level.use_initial_inventory[player_nr];
11892
11893       // draw checkbutton gadgets
11894       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11895       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11896       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11897
11898       // draw counter gadgets
11899       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11900
11901       // draw drawing area gadgets
11902       DrawPlayerInitialInventoryArea(properties_element);
11903     }
11904   }
11905
11906   if (IS_BD_PLAYER_ELEMENT(properties_element))
11907   {
11908     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11909       ED_ELEMENT_SETTINGS_YPOS(2);
11910     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11911       ED_ELEMENT_SETTINGS_YPOS(3);
11912     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11913       ED_ELEMENT_SETTINGS_YPOS(4);
11914
11915     // draw checkbutton gadgets
11916     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11917     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_TOPMOST_PLAYER_ACTIVE);
11918     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11919
11920     // draw counter gadgets
11921     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11922     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11923
11924     // draw drawing area gadgets
11925     MapDrawingArea(ED_DRAWING_ID_BD_SNAP_ELEMENT);
11926   }
11927
11928   if (properties_element == EL_BD_SAND)
11929   {
11930     MapDrawingArea(ED_DRAWING_ID_BD_SAND_LOOKS_LIKE);
11931   }
11932
11933   if (properties_element == EL_BD_ROCK && level.game_engine_type == GAME_ENGINE_TYPE_BD)
11934   {
11935     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB].y =
11936       ED_ELEMENT_SETTINGS_YPOS(0);
11937     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11938       ED_ELEMENT_SETTINGS_YPOS(1);
11939
11940     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB);
11941     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11942   }
11943
11944   if (properties_element == EL_BD_MEGA_ROCK ||
11945       properties_element == EL_BD_SWEET)
11946   {
11947     counterbutton_info[ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET].y =
11948       ED_ELEMENT_SETTINGS_YPOS(0);
11949     checkbutton_info[ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET].y =
11950       ED_ELEMENT_SETTINGS_YPOS(1);
11951
11952     MapCounterButtons(ED_COUNTER_ID_BD_PUSHING_PROB_WITH_SWEET);
11953     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_PUSH_MEGA_ROCK_WITH_SWEET);
11954   }
11955
11956   if (properties_element == EL_BD_VOODOO_DOLL)
11957   {
11958     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_COLLECTS_DIAMONDS);
11959     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_HURT_KILLS_PLAYER);
11960     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_DIES_BY_ROCK);
11961     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_VOODOO_VANISH_BY_EXPLOSION);
11962   }
11963
11964   if (properties_element == EL_BD_SLIME)
11965   {
11966     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_SLIME_IS_PREDICTABLE);
11967
11968     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_1);
11969     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_1);
11970     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_2);
11971     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_2);
11972     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_EATS_ELEMENT_3);
11973     MapDrawingArea(ED_DRAWING_ID_BD_SLIME_CONVERTS_TO_ELEMENT_3);
11974   }
11975
11976   if (IS_BD_EXPANDABLE_WALL(properties_element) ||
11977       IS_BD_EXPANDABLE_STEELWALL(properties_element))
11978   {
11979     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CHANGE_EXPANDING_WALL);
11980
11981     if (IS_BD_EXPANDABLE_WALL(properties_element))
11982       MapDrawingArea(ED_DRAWING_ID_BD_EXPANDING_WALL_LOOKS_LIKE);
11983   }
11984
11985   if (properties_element == EL_BD_REPLICATOR)
11986   {
11987     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_REPLICATORS_ACTIVE);
11988   }
11989
11990   if (IS_BD_CONVEYOR_BELT(properties_element) ||
11991       IS_BD_CONVEYOR_BELT_SWITCH(properties_element))
11992   {
11993     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_ACTIVE);
11994     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CONVEYOR_BELTS_CHANGED);
11995   }
11996
11997   if (properties_element == EL_BD_WATER)
11998   {
11999     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_WATER_CANNOT_FLOW_DOWN);
12000   }
12001
12002   if (properties_element == EL_BD_PNEUMATIC_HAMMER)
12003   {
12004     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_HAMMER_WALLS_REAPPEAR);
12005   }
12006
12007   if (properties_element == EL_BD_CREATURE_SWITCH)
12008   {
12009     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_START_BACKWARDS);
12010     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_CREATURES_TURN_ON_HATCHING);
12011   }
12012
12013   if (properties_element == EL_BD_GRAVITY_SWITCH)
12014   {
12015     MapSelectboxGadget(ED_SELECTBOX_ID_BD_GRAVITY_DIRECTION);
12016
12017     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_SWITCH_ACTIVE);
12018     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL);
12019   }
12020
12021   if (properties_element == EL_BD_NUT)
12022   {
12023     MapDrawingArea(ED_DRAWING_ID_BD_NUT_CONTENT);
12024   }
12025
12026   // special case: slippery walls option for gems only available in R'n'D game engine
12027   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
12028     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
12029
12030   if (properties_element == EL_EM_DYNAMITE)
12031     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
12032
12033   if (COULD_MOVE_INTO_ACID(properties_element) &&
12034       !IS_PLAYER_ELEMENT(properties_element) &&
12035       (!IS_CUSTOM_ELEMENT(properties_element) ||
12036        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
12037   {
12038     // set position for checkbutton for "can move into acid"
12039     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
12040       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
12041     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
12042       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
12043                                IS_BALLOON_ELEMENT(properties_element) ||
12044                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12045
12046     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
12047   }
12048
12049   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
12050     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
12051
12052   if (properties_element == EL_SPRING ||
12053       properties_element == EL_SPRING_LEFT ||
12054       properties_element == EL_SPRING_RIGHT)
12055     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
12056
12057   if (properties_element == EL_TIME_ORB_FULL)
12058     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
12059
12060   if (properties_element == EL_GAME_OF_LIFE ||
12061       properties_element == EL_BIOMAZE)
12062     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
12063
12064   if (CAN_GROW(properties_element) && level.game_engine_type != GAME_ENGINE_TYPE_BD)
12065   {
12066     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
12067       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
12068
12069     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
12070   }
12071
12072   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
12073     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
12074
12075   if (properties_element == EL_SOKOBAN_OBJECT)
12076     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
12077
12078   if (properties_element == EL_SOKOBAN_OBJECT ||
12079       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
12080       properties_element == EL_SOKOBAN_FIELD_FULL)
12081   {
12082     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
12083       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
12084                                0 : 1);
12085
12086     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
12087   }
12088
12089   if (IS_BALLOON_ELEMENT(properties_element))
12090     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
12091
12092   if (IS_ENVELOPE(properties_element) ||
12093       IS_MM_ENVELOPE(properties_element))
12094   {
12095     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
12096     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
12097     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
12098     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
12099     int envelope_nr = ENVELOPE_NR(properties_element);
12100
12101     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
12102     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
12103
12104     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
12105     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
12106
12107     // display counter to choose size of envelope text area
12108     MapCounterButtons(counter1_id);
12109     MapCounterButtons(counter2_id);
12110
12111     // display checkbuttons to choose auto-wrap and alignment properties
12112     MapCheckbuttonGadget(button1_id);
12113     MapCheckbuttonGadget(button2_id);
12114
12115     DrawEnvelopeTextArea(envelope_nr);
12116   }
12117
12118   if (IS_MM_MCDUFFIN(properties_element))
12119   {
12120     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
12121     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
12122     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
12123   }
12124
12125   if (IS_DF_LASER(properties_element))
12126   {
12127     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
12128     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
12129     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
12130   }
12131
12132   if (IS_CUSTOM_ELEMENT(properties_element))
12133   {
12134     // draw stickybutton gadget
12135     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12136
12137     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
12138     {
12139       // draw checkbutton gadgets
12140       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
12141            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
12142         MapCheckbuttonGadget(i);
12143
12144       // draw counter gadgets
12145       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
12146            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
12147         MapCounterButtons(i);
12148
12149       // draw selectbox gadgets
12150       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
12151            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
12152         MapSelectboxGadget(i);
12153
12154       // draw textbutton gadgets
12155       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12156
12157       // draw text input gadgets
12158       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12159
12160       // draw drawing area gadgets
12161       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12162
12163       draw_footer_line = TRUE;
12164     }
12165     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
12166     {
12167       // draw checkbutton gadgets
12168       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
12169            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
12170         MapCheckbuttonGadget(i);
12171
12172       // draw counter gadgets
12173       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
12174            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
12175         MapCounterButtons(i);
12176
12177       // draw selectbox gadgets
12178       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
12179            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
12180         MapSelectboxGadget(i);
12181
12182       // draw drawing area gadgets
12183       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
12184       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
12185       DrawCustomContentArea();
12186     }
12187   }
12188   else if (IS_GROUP_ELEMENT(properties_element))
12189   {
12190     // draw stickybutton gadget
12191     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12192
12193     // draw checkbutton gadgets
12194     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12195     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12196
12197     // draw counter gadgets
12198     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
12199
12200     // draw selectbox gadgets
12201     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
12202
12203     // draw textbutton gadgets
12204     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12205
12206     // draw drawing area gadgets
12207     DrawGroupElementArea();
12208
12209     // draw text input gadgets
12210     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
12211
12212     // draw drawing area gadgets
12213     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12214
12215     draw_footer_line = TRUE;
12216   }
12217   else if (IS_EMPTY_ELEMENT(properties_element))
12218   {
12219     // draw stickybutton gadget
12220     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12221
12222     // draw checkbutton gadgets
12223     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
12224     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
12225
12226     // draw textbutton gadgets
12227     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
12228
12229     // draw drawing area gadgets
12230     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
12231
12232     draw_footer_line = TRUE;
12233   }
12234
12235   // draw little footer border line above CE/GE use/save template gadgets
12236   if (draw_footer_line)
12237   {
12238     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
12239     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
12240     int gd_x = gd->x + gd_gi1->border.width / 2;
12241     int gd_y = gd->y + gd_gi1->height - 1;
12242     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
12243
12244     if (tab_color != BLACK_PIXEL)               // black => transparent
12245       FillRectangle(drawto,
12246                     SX + ED_ELEMENT_SETTINGS_X(0),
12247                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
12248                     ED_TAB_BAR_HEIGHT,
12249                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
12250   }
12251 }
12252
12253 static void DrawPropertiesChangeDrawingAreas(void)
12254 {
12255   if (IS_CUSTOM_ELEMENT(properties_element))
12256   {
12257     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
12258     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
12259     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
12260
12261     DrawCustomChangeContentArea();
12262   }
12263
12264   redraw_mask |= REDRAW_FIELD;
12265 }
12266
12267 static void DrawPropertiesChange(void)
12268 {
12269   int i;
12270
12271   // needed to initially set selectbox options for special action options
12272   setSelectboxSpecialActionOptions();
12273
12274   // draw stickybutton gadget
12275   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
12276
12277   // draw checkbutton gadgets
12278   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
12279        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
12280     MapCheckbuttonGadget(i);
12281
12282   // draw counter gadgets
12283   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
12284        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
12285     MapCounterButtons(i);
12286
12287   // draw selectbox gadgets
12288   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
12289        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
12290     MapSelectboxGadget(i);
12291
12292   // draw textbutton gadgets
12293   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
12294        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
12295     MapTextbuttonGadget(i);
12296
12297   // draw graphicbutton gadgets
12298   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
12299        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
12300     MapGraphicbuttonGadget(i);
12301
12302   // draw drawing area gadgets
12303   DrawPropertiesChangeDrawingAreas();
12304 }
12305
12306 static void DrawEditorElementAnimation(int x, int y)
12307 {
12308   int graphic;
12309   int frame;
12310
12311   getEditorGraphicAndFrame(properties_element, &graphic, &frame, FALSE);
12312
12313   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
12314 }
12315
12316 static void DrawEditorElementName(int x, int y, int font_nr)
12317 {
12318   char *element_name = getElementInfoText(properties_element);
12319   int font_width = getFontWidth(font_nr);
12320   int font_height = getFontHeight(font_nr);
12321   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
12322   int max_chars_per_line = max_text_width / font_width;
12323
12324   if (strlen(element_name) <= max_chars_per_line)
12325     DrawTextS(x, y, font_nr, element_name);
12326   else
12327   {
12328     char buffer[max_chars_per_line + 1];
12329     int next_pos = max_chars_per_line;
12330
12331     strncpy(buffer, element_name, max_chars_per_line);
12332     buffer[max_chars_per_line] = '\0';
12333
12334     if (element_name[max_chars_per_line] == ' ')
12335       next_pos++;
12336     else
12337     {
12338       int i;
12339
12340       for (i = max_chars_per_line - 1; i >= 0; i--)
12341         if (buffer[i] == ' ')
12342           break;
12343
12344       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
12345       {
12346         buffer[i] = '\0';
12347         next_pos = i + 1;
12348       }
12349     }
12350
12351     DrawTextS(x, y - font_height / 2, font_nr, buffer);
12352
12353     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
12354     buffer[max_chars_per_line] = '\0';
12355
12356     DrawTextS(x, y + font_height / 2, font_nr, buffer);
12357   }
12358 }
12359
12360 static void DrawPropertiesWindow(void)
12361 {
12362   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
12363   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
12364   int border_size = gd->border_size;
12365   int font_nr = FONT_TEXT_1;
12366   int font_height = getFontHeight(font_nr);
12367   int xoffset = TILEX + element_border + 3 * border_size;
12368   int yoffset = (TILEY - font_height) / 2;
12369   int x1 = editor.settings.element_graphic.x + element_border;
12370   int y1 = editor.settings.element_graphic.y + element_border;
12371   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
12372             editor.settings.element_name.x);
12373   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
12374             editor.settings.element_name.y);
12375   char *text = "Element Settings";
12376   int font2_nr = FONT_TITLE_1;
12377   struct MenuPosInfo *pos = &editor.settings.headline;
12378   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
12379   int sy = SY + pos->y;
12380
12381   stick_element_properties_window = FALSE;
12382
12383   // make sure that previous properties edit mode exists for this element
12384   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
12385       !IS_CUSTOM_ELEMENT(properties_element))
12386     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
12387
12388   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
12389       !IS_PLAYER_ELEMENT(properties_element) &&
12390       !IS_CUSTOM_ELEMENT(properties_element))
12391     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
12392
12393   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
12394       (IS_PLAYER_ELEMENT(properties_element) ||
12395        IS_CUSTOM_ELEMENT(properties_element)))
12396     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
12397
12398   CopyElementPropertiesToEditor(properties_element);
12399
12400   UnmapLevelEditorFieldGadgets();
12401   UnmapLevelEditorToolboxDrawingGadgets();
12402   UnmapLevelEditorToolboxCustomGadgets();
12403
12404   MapLevelEditorToolboxCustomGadgetsIfNeeded();
12405
12406   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12407   ClearField();
12408
12409   DrawText(sx, sy, text, font2_nr);
12410
12411   FrameCounter = 0;     // restart animation frame counter
12412
12413   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
12414   DrawEditorElementAnimation(SX + x1, SY + y1);
12415   DrawEditorElementName(x2, y2, font_nr);
12416
12417   DrawPropertiesTabulatorGadgets();
12418
12419   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
12420     DrawPropertiesInfo();
12421   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
12422     DrawPropertiesChange();
12423   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
12424     DrawPropertiesConfig();
12425 }
12426
12427 static void DrawPaletteWindow(void)
12428 {
12429   int i;
12430
12431   UnmapLevelEditorFieldGadgets();
12432
12433   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
12434   ClearField();
12435
12436   // map buttons to select elements
12437   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
12438     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
12439   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
12440   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
12441   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
12442 }
12443
12444 static void UpdateCustomElementGraphicGadgets(void)
12445 {
12446   int i;
12447
12448   InitElementPropertiesGfxElement();
12449
12450   ModifyEditorElementList();
12451   RedrawDrawingElements();
12452
12453   // force redraw of all mapped drawing area gadgets
12454   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
12455   {
12456     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
12457
12458     if (gi->mapped)
12459       MapDrawingArea(i);
12460   }
12461 }
12462
12463 static int getOpenDirectionFromTube(int element)
12464 {
12465   switch (element)
12466   {
12467     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
12468     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
12469     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
12470     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
12471     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
12472     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
12473     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
12474     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
12475     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
12476     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
12477     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
12478   }
12479
12480   return MV_NONE;
12481 }
12482
12483 static int getTubeFromOpenDirection(int direction)
12484 {
12485   switch (direction)
12486   {
12487     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
12488     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
12489     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
12490     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
12491     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
12492     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
12493     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
12494     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
12495     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
12496     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
12497     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
12498
12499     // if only one direction, fall back to simple tube with that direction
12500     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
12501     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
12502     case (MV_UP):                       return EL_TUBE_VERTICAL;
12503     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
12504   }
12505
12506   return EL_EMPTY;
12507 }
12508
12509 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
12510 {
12511   int element_new = getTubeFromOpenDirection(direction);
12512
12513   return (element_new != EL_EMPTY ? element_new : element_old);
12514 }
12515
12516 static int getOpenDirectionFromBelt(int element)
12517 {
12518   int belt_dir = getBeltDirFromBeltElement(element);
12519
12520   return (belt_dir == MV_LEFT ? MV_RIGHT :
12521           belt_dir == MV_RIGHT ? MV_LEFT :
12522           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
12523 }
12524
12525 static int getBeltFromNrAndOpenDirection(int nr, int direction)
12526 {
12527   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
12528                   direction == MV_RIGHT ? MV_LEFT :
12529                   direction == MV_HORIZONTAL ? MV_NONE : direction);
12530
12531   if (direction == MV_NONE)
12532     return EL_EMPTY;
12533
12534   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
12535 }
12536
12537 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
12538                                                  int element_old)
12539 {
12540   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
12541
12542   return (element_new != EL_EMPTY ? element_new : element_old);
12543 }
12544
12545 static int getOpenDirectionFromPool(int element)
12546 {
12547   switch (element)
12548   {
12549     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
12550     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
12551     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
12552     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
12553     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
12554     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
12555   }
12556
12557   return MV_NONE;
12558 }
12559
12560 static int getPoolFromOpenDirection(int direction)
12561 {
12562   switch (direction)
12563   {
12564     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
12565     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
12566     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
12567     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
12568     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
12569     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
12570   }
12571
12572   return EL_EMPTY;
12573 }
12574
12575 static int getPoolFromOpenDirectionExt(int direction, int help_element)
12576 {
12577   int element = getPoolFromOpenDirection(direction);
12578   int help_direction = getOpenDirectionFromPool(help_element);
12579
12580   if (element == EL_EMPTY)
12581   {
12582     int help_direction_vertical = help_direction & MV_VERTICAL;
12583
12584     element = getPoolFromOpenDirection(direction | help_direction_vertical);
12585   }
12586
12587   if (element == EL_EMPTY)
12588   {
12589     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
12590
12591     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
12592   }
12593
12594   return element;
12595 }
12596
12597 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
12598 {
12599   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
12600
12601   return (element_new != EL_EMPTY ? element_new : element_old);
12602 }
12603
12604 static int getOpenDirectionFromPillar(int element)
12605 {
12606   switch (element)
12607   {
12608     case EL_EMC_WALL_1:                 return (MV_DOWN);
12609     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
12610     case EL_EMC_WALL_3:                 return (MV_UP);
12611   }
12612
12613   return MV_NONE;
12614 }
12615
12616 static int getPillarFromOpenDirection(int direction)
12617 {
12618   switch (direction)
12619   {
12620     case (MV_DOWN):                     return EL_EMC_WALL_1;
12621     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
12622     case (MV_UP):                       return EL_EMC_WALL_3;
12623   }
12624
12625   return EL_EMPTY;
12626 }
12627
12628 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
12629 {
12630   int element_new = getPillarFromOpenDirection(direction);
12631
12632   return (element_new != EL_EMPTY ? element_new : element_old);
12633 }
12634
12635 static int getOpenDirectionFromSteel2(int element)
12636 {
12637   switch (element)
12638   {
12639     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
12640     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
12641     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
12642     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
12643     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
12644     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
12645     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
12646     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
12647   }
12648
12649   return MV_NONE;
12650 }
12651
12652 static int getSteel2FromOpenDirection(int direction)
12653 {
12654   switch (direction)
12655   {
12656     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
12657     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
12658     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
12659     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
12660     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
12661     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
12662     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
12663     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
12664   }
12665
12666   return EL_EMPTY;
12667 }
12668
12669 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
12670 {
12671   int element_new = getSteel2FromOpenDirection(direction);
12672
12673   return (element_new != EL_EMPTY ? element_new : element_old);
12674 }
12675
12676 static int getOpenDirectionFromChip(int element)
12677 {
12678   switch (element)
12679   {
12680     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
12681     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
12682     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
12683     case EL_SP_CHIP_TOP:                return (MV_DOWN);
12684     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
12685   }
12686
12687   return MV_NONE;
12688 }
12689
12690 static int getChipFromOpenDirection(int direction)
12691 {
12692   switch (direction)
12693   {
12694     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
12695     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
12696     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
12697     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
12698     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
12699   }
12700
12701   return EL_EMPTY;
12702 }
12703
12704 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
12705 {
12706   int element_new = getChipFromOpenDirection(direction);
12707
12708   return (element_new != EL_EMPTY ? element_new : element_old);
12709 }
12710
12711 static int getClosedTube(int x, int y)
12712 {
12713   struct XY *xy = xy_directions;
12714   int element_old = IntelliDrawBuffer[x][y];
12715   int direction_old = getOpenDirectionFromTube(element_old);
12716   int direction_new = MV_NONE;
12717   int i;
12718
12719   for (i = 0; i < NUM_DIRECTIONS; i++)
12720   {
12721     int xx = x + xy[i].x;
12722     int yy = y + xy[i].y;
12723     int dir = MV_DIR_FROM_BIT(i);
12724     int dir_opposite = MV_DIR_OPPOSITE(dir);
12725
12726     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
12727         (direction_old & dir) &&
12728         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12729       direction_new |= dir;
12730   }
12731
12732   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
12733 }
12734
12735 static int getClosedBelt(int x, int y)
12736 {
12737   struct XY *xy = xy_directions;
12738   int element_old = IntelliDrawBuffer[x][y];
12739   int nr = getBeltNrFromBeltElement(element_old);
12740   int direction_old = getOpenDirectionFromBelt(element_old);
12741   int direction_new = MV_NONE;
12742   int i;
12743
12744   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12745   {
12746     int xx = x + xy[i].x;
12747     int yy = y + xy[i].y;
12748     int dir = MV_DIR_FROM_BIT(i);
12749     int dir_opposite = MV_DIR_OPPOSITE(dir);
12750
12751     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
12752         (direction_old & dir) &&
12753         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12754       direction_new |= dir;
12755   }
12756
12757   return getBeltFromNrAndOpenDirection(nr, direction_new);
12758 }
12759
12760 static int getClosedPool(int x, int y)
12761 {
12762   struct XY *xy = xy_directions;
12763   int element_old = IntelliDrawBuffer[x][y];
12764   int direction_old = getOpenDirectionFromPool(element_old);
12765   int direction_new = MV_NONE;
12766   int i;
12767
12768   for (i = 0; i < NUM_DIRECTIONS; i++)
12769   {
12770     int xx = x + xy[i].x;
12771     int yy = y + xy[i].y;
12772     int dir = MV_DIR_FROM_BIT(i);
12773     int dir_opposite = MV_DIR_OPPOSITE(dir);
12774
12775     if (IN_LEV_FIELD(xx, yy) &&
12776         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
12777         (direction_old & dir) &&
12778         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12779       direction_new |= dir;
12780   }
12781
12782   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
12783 }
12784
12785 static int getClosedPillar(int x, int y)
12786 {
12787   struct XY *xy = xy_directions;
12788   int element_old = IntelliDrawBuffer[x][y];
12789   int direction_old = getOpenDirectionFromPillar(element_old);
12790   int direction_new = MV_NONE;
12791   int i;
12792
12793   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12794   {
12795     int xx = x + xy[i].x;
12796     int yy = y + xy[i].y;
12797     int dir = MV_DIR_FROM_BIT(i);
12798     int dir_opposite = MV_DIR_OPPOSITE(dir);
12799
12800     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
12801         (direction_old & dir) &&
12802         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12803       direction_new |= dir;
12804   }
12805
12806   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
12807 }
12808
12809 static int getClosedSteel2(int x, int y)
12810 {
12811   struct XY *xy = xy_directions;
12812   int element_old = IntelliDrawBuffer[x][y];
12813   int direction_old = getOpenDirectionFromSteel2(element_old);
12814   int direction_new = MV_NONE;
12815   int i;
12816
12817   for (i = 0; i < NUM_DIRECTIONS; i++)
12818   {
12819     int xx = x + xy[i].x;
12820     int yy = y + xy[i].y;
12821     int dir = MV_DIR_FROM_BIT(i);
12822     int dir_opposite = MV_DIR_OPPOSITE(dir);
12823
12824     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
12825         (direction_old & dir) &&
12826         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12827       direction_new |= dir;
12828   }
12829
12830   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
12831 }
12832
12833 static int getClosedChip(int x, int y)
12834 {
12835   struct XY *xy = xy_directions;
12836   int element_old = IntelliDrawBuffer[x][y];
12837   int direction_old = getOpenDirectionFromChip(element_old);
12838   int direction_new = MV_NONE;
12839   int i;
12840
12841   for (i = 0; i < NUM_DIRECTIONS; i++)
12842   {
12843     int xx = x + xy[i].x;
12844     int yy = y + xy[i].y;
12845     int dir = MV_DIR_FROM_BIT(i);
12846     int dir_opposite = MV_DIR_OPPOSITE(dir);
12847
12848     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
12849         (direction_old & dir) &&
12850         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
12851       direction_new |= dir;
12852   }
12853
12854   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
12855 }
12856
12857 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
12858                                 boolean change_level)
12859 {
12860   int sx = x - level_xpos;
12861   int sy = y - level_ypos;
12862   int old_element = Tile[x][y];
12863   int new_element = element;
12864   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
12865   boolean draw_masked = FALSE;
12866
12867   if (IS_MM_WALL_EDITOR(element))
12868   {
12869     element = map_mm_wall_element_editor(element) | new_bitmask;
12870
12871     if (IS_MM_WALL(old_element))
12872       element |= MM_WALL_BITS(old_element);
12873
12874     if (!change_level)
12875       draw_masked = TRUE;
12876   }
12877   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
12878   {
12879     int element_changed = old_element & ~new_bitmask;
12880
12881     if (MM_WALL_BITS(element_changed) != 0)
12882       element = element_changed;
12883   }
12884
12885   IntelliDrawBuffer[x][y] = element;
12886
12887   if (change_level)
12888     Tile[x][y] = element;
12889
12890   if (IN_ED_FIELD(sx, sy))
12891   {
12892     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
12893       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
12894     else if (draw_masked)
12895       DrawEditorElementThruMask(sx, sy, element);
12896     else
12897       DrawEditorElement(sx, sy, element);
12898   }
12899 }
12900
12901 static void SetElementSimple(int x, int y, int element, boolean change_level)
12902 {
12903   SetElementSimpleExt(x, y, 0, 0, element, change_level);
12904 }
12905
12906 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
12907                                            int x2, int y2, int *element2,
12908                                            int (*close_function)(int, int),
12909                                            boolean change_level)
12910 {
12911   // set neighbour elements to newly determined connections
12912   SetElementSimple(x1, y1, *element1, change_level);
12913   SetElementSimple(x2, y2, *element2, change_level);
12914
12915   // remove all open connections of neighbour elements
12916   *element1 = close_function(x1, y1);
12917   *element2 = close_function(x2, y2);
12918
12919   // set neighbour elements to new, minimized connections
12920   SetElementSimple(x1, y1, *element1, change_level);
12921   SetElementSimple(x2, y2, *element2, change_level);
12922 }
12923
12924 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
12925                                   boolean change_level, int button)
12926 {
12927   struct XY *xy = xy_directions;
12928   static int last_x = -1;
12929   static int last_y = -1;
12930
12931   if (new_element == EL_UNDEFINED)
12932   {
12933     last_x = -1;
12934     last_y = -1;
12935
12936     return;
12937   }
12938
12939   int old_element = IntelliDrawBuffer[x][y];
12940
12941   if (IS_TUBE(new_element))
12942   {
12943     int last_element_new = EL_UNDEFINED;
12944     int direction = MV_NONE;
12945     int i;
12946
12947     // if old element is of same kind, keep all existing directions
12948     if (IS_TUBE(old_element))
12949       direction |= getOpenDirectionFromTube(old_element);
12950
12951     for (i = 0; i < NUM_DIRECTIONS; i++)
12952     {
12953       int xx = x + xy[i].x;
12954       int yy = y + xy[i].y;
12955
12956       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12957           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
12958       {
12959         int dir = MV_DIR_FROM_BIT(i);
12960         int dir_opposite = MV_DIR_OPPOSITE(dir);
12961         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12962         int last_direction_old = getOpenDirectionFromTube(last_element_old);
12963         int last_direction_new = last_direction_old | dir_opposite;
12964
12965         last_element_new = getTubeFromOpenDirection(last_direction_new);
12966
12967         direction |= dir;
12968       }
12969     }
12970
12971     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
12972
12973     if (last_element_new != EL_UNDEFINED)
12974       MergeAndCloseNeighbourElements(x, y, &new_element,
12975                                      last_x, last_y, &last_element_new,
12976                                      getClosedTube, change_level);
12977   }
12978   else if (IS_BELT(new_element))
12979   {
12980     int belt_nr = getBeltNrFromBeltElement(new_element);
12981     int last_element_new = EL_UNDEFINED;
12982     int direction = MV_NONE;
12983     int i;
12984
12985     // if old element is of same kind, keep all existing directions
12986     if (IS_BELT(old_element))
12987       direction |= getOpenDirectionFromBelt(old_element);
12988
12989     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12990     {
12991       int xx = x + xy[i].x;
12992       int yy = y + xy[i].y;
12993
12994       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12995           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12996       {
12997         int dir = MV_DIR_FROM_BIT(i);
12998         int dir_opposite = MV_DIR_OPPOSITE(dir);
12999         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13000         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
13001         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
13002         int last_direction_new = last_direction_old | dir_opposite;
13003
13004         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
13005                                                          last_direction_new);
13006         direction |= dir;
13007       }
13008     }
13009
13010     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
13011                                                         new_element);
13012     if (last_element_new != EL_UNDEFINED)
13013       MergeAndCloseNeighbourElements(x, y, &new_element,
13014                                      last_x, last_y, &last_element_new,
13015                                      getClosedBelt, change_level);
13016   }
13017   else if (IS_ACID_POOL_OR_ACID(new_element))
13018   {
13019     int last_element_new = EL_UNDEFINED;
13020     int direction = MV_NONE;
13021     int i;
13022
13023     // if old element is of same kind, keep all existing directions
13024     if (IS_ACID_POOL_OR_ACID(old_element))
13025       direction |= getOpenDirectionFromPool(old_element);
13026
13027     for (i = 0; i < NUM_DIRECTIONS; i++)
13028     {
13029       int xx = x + xy[i].x;
13030       int yy = y + xy[i].y;
13031
13032       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13033           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
13034       {
13035         int dir = MV_DIR_FROM_BIT(i);
13036         int dir_opposite = MV_DIR_OPPOSITE(dir);
13037         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13038         int last_direction_old = getOpenDirectionFromPool(last_element_old);
13039         int last_direction_new = last_direction_old | dir_opposite;
13040
13041         last_element_new = getPoolFromOpenDirection(last_direction_new);
13042
13043         direction |= dir;
13044       }
13045     }
13046
13047     // special corrections needed for intuitively correct acid pool drawing
13048     if (last_element_new == EL_EMPTY)
13049       last_element_new = new_element;
13050     else if (last_element_new != EL_UNDEFINED)
13051       new_element = last_element_new;
13052
13053     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
13054
13055     if (last_element_new != EL_UNDEFINED)
13056       MergeAndCloseNeighbourElements(x, y, &new_element,
13057                                      last_x, last_y, &last_element_new,
13058                                      getClosedPool, change_level);
13059   }
13060   else if (IS_EMC_PILLAR(new_element))
13061   {
13062     int last_element_new = EL_UNDEFINED;
13063     int direction = MV_NONE;
13064     int i;
13065
13066     // if old element is of same kind, keep all existing directions
13067     if (IS_EMC_PILLAR(old_element))
13068       direction |= getOpenDirectionFromPillar(old_element);
13069
13070     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
13071     {
13072       int xx = x + xy[i].x;
13073       int yy = y + xy[i].y;
13074
13075       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13076           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
13077       {
13078         int dir = MV_DIR_FROM_BIT(i);
13079         int dir_opposite = MV_DIR_OPPOSITE(dir);
13080         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13081         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
13082         int last_direction_new = last_direction_old | dir_opposite;
13083
13084         last_element_new = getPillarFromOpenDirection(last_direction_new);
13085
13086         direction |= dir;
13087       }
13088     }
13089
13090     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
13091
13092     if (last_element_new != EL_UNDEFINED)
13093       MergeAndCloseNeighbourElements(x, y, &new_element,
13094                                      last_x, last_y, &last_element_new,
13095                                      getClosedPillar, change_level);
13096   }
13097   else if (IS_DC_STEELWALL_2(new_element))
13098   {
13099     int last_element_new = EL_UNDEFINED;
13100     int direction = MV_NONE;
13101     int i;
13102
13103     // if old element is of same kind, keep all existing directions
13104     if (IS_DC_STEELWALL_2(old_element))
13105       direction |= getOpenDirectionFromSteel2(old_element);
13106
13107     for (i = 0; i < NUM_DIRECTIONS; i++)
13108     {
13109       int xx = x + xy[i].x;
13110       int yy = y + xy[i].y;
13111
13112       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13113           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
13114       {
13115         int dir = MV_DIR_FROM_BIT(i);
13116         int dir_opposite = MV_DIR_OPPOSITE(dir);
13117         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13118         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
13119         int last_direction_new = last_direction_old | dir_opposite;
13120
13121         last_element_new = getSteel2FromOpenDirection(last_direction_new);
13122
13123         direction |= dir;
13124       }
13125     }
13126
13127     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
13128
13129     if (last_element_new != EL_UNDEFINED)
13130       MergeAndCloseNeighbourElements(x, y, &new_element,
13131                                      last_x, last_y, &last_element_new,
13132                                      getClosedSteel2, change_level);
13133   }
13134   else if (IS_SP_CHIP(new_element))
13135   {
13136     int last_element_new = EL_UNDEFINED;
13137     int direction = MV_NONE;
13138     int i;
13139
13140     // (do not keep existing directions, regardless of kind of old element)
13141
13142     for (i = 0; i < NUM_DIRECTIONS; i++)
13143     {
13144       int xx = x + xy[i].x;
13145       int yy = y + xy[i].y;
13146
13147       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13148           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
13149       {
13150         int dir = MV_DIR_FROM_BIT(i);
13151         int dir_opposite = MV_DIR_OPPOSITE(dir);
13152         int last_element_old = IntelliDrawBuffer[last_x][last_y];
13153         int last_direction_old = getOpenDirectionFromChip(last_element_old);
13154         int last_direction_new = last_direction_old | dir_opposite;
13155
13156         if (last_direction_old == MV_NONE)
13157         {
13158           last_element_new = getChipFromOpenDirection(last_direction_new);
13159           direction |= dir;
13160         }
13161         else if (last_direction_old & (dir | dir_opposite))
13162         {
13163           direction |= MV_DIR_OPPOSITE(last_direction_old);
13164         }
13165         else
13166         {
13167           direction |= MV_DIR_OPPOSITE(dir);
13168         }
13169       }
13170     }
13171
13172     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
13173
13174     if (last_element_new != EL_UNDEFINED)
13175       MergeAndCloseNeighbourElements(x, y, &new_element,
13176                                      last_x, last_y, &last_element_new,
13177                                      getClosedChip, change_level);
13178   }
13179   else if (IS_SP_HARDWARE_BASE(new_element))
13180   {
13181     int nr = GetSimpleRandom(6);
13182
13183     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
13184                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
13185                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
13186                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
13187                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
13188   }
13189   else if (new_element == EL_SP_HARDWARE_GREEN ||
13190            new_element == EL_SP_HARDWARE_BLUE ||
13191            new_element == EL_SP_HARDWARE_RED)
13192   {
13193     int nr = GetSimpleRandom(3);
13194
13195     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
13196                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
13197   }
13198   else if (IS_GROUP_ELEMENT(new_element))
13199   {
13200     boolean connected_drawing = FALSE;
13201     int i;
13202
13203     for (i = 0; i < NUM_DIRECTIONS; i++)
13204     {
13205       int xx = x + xy[i].x;
13206       int yy = y + xy[i].y;
13207
13208       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
13209           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
13210         connected_drawing = TRUE;
13211     }
13212
13213     if (!connected_drawing)
13214       ResolveGroupElement(new_element);
13215
13216     new_element = GetElementFromGroupElement(new_element);
13217   }
13218   else if (IS_BELT_SWITCH(old_element))
13219   {
13220     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
13221     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
13222
13223     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
13224                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
13225
13226     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
13227   }
13228   else
13229   {
13230     static int swappable_elements[][2] =
13231     {
13232       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
13233       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
13234       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
13235       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
13236       { EL_EMERALD,                     EL_WALL_EMERALD                 },
13237       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
13238       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
13239       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
13240       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
13241       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
13242       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
13243       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
13244       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
13245       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
13246       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
13247       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
13248       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
13249       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
13250       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
13251       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
13252       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
13253       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
13254       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
13255       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
13256       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
13257       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
13258       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
13259       { EL_PEARL,                       EL_WALL_PEARL                   },
13260       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
13261       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
13262       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
13263       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
13264       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
13265       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
13266       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
13267       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
13268       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
13269       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
13270       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
13271       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
13272       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
13273       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
13274       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
13275       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
13276
13277       { -1,                             -1                              },
13278     };
13279     static int rotatable_elements_4[][4] =
13280     {
13281       {
13282         EL_BUG_UP,
13283         EL_BUG_RIGHT,
13284         EL_BUG_DOWN,
13285         EL_BUG_LEFT
13286       },
13287       {
13288         EL_SPACESHIP_UP,
13289         EL_SPACESHIP_RIGHT,
13290         EL_SPACESHIP_DOWN,
13291         EL_SPACESHIP_LEFT
13292       },
13293       {
13294         EL_BD_BUTTERFLY_UP,
13295         EL_BD_BUTTERFLY_RIGHT,
13296         EL_BD_BUTTERFLY_DOWN,
13297         EL_BD_BUTTERFLY_LEFT
13298       },
13299       {
13300         EL_BD_FIREFLY_UP,
13301         EL_BD_FIREFLY_RIGHT,
13302         EL_BD_FIREFLY_DOWN,
13303         EL_BD_FIREFLY_LEFT
13304       },
13305       {
13306         EL_PACMAN_UP,
13307         EL_PACMAN_RIGHT,
13308         EL_PACMAN_DOWN,
13309         EL_PACMAN_LEFT
13310       },
13311       {
13312         EL_YAMYAM_UP,
13313         EL_YAMYAM_RIGHT,
13314         EL_YAMYAM_DOWN,
13315         EL_YAMYAM_LEFT
13316       },
13317       {
13318         EL_ARROW_UP,
13319         EL_ARROW_RIGHT,
13320         EL_ARROW_DOWN,
13321         EL_ARROW_LEFT
13322       },
13323       {
13324         EL_SP_PORT_UP,
13325         EL_SP_PORT_RIGHT,
13326         EL_SP_PORT_DOWN,
13327         EL_SP_PORT_LEFT
13328       },
13329       {
13330         EL_SP_GRAVITY_PORT_UP,
13331         EL_SP_GRAVITY_PORT_RIGHT,
13332         EL_SP_GRAVITY_PORT_DOWN,
13333         EL_SP_GRAVITY_PORT_LEFT
13334       },
13335       {
13336         EL_SP_GRAVITY_ON_PORT_UP,
13337         EL_SP_GRAVITY_ON_PORT_RIGHT,
13338         EL_SP_GRAVITY_ON_PORT_DOWN,
13339         EL_SP_GRAVITY_ON_PORT_LEFT
13340       },
13341       {
13342         EL_SP_GRAVITY_OFF_PORT_UP,
13343         EL_SP_GRAVITY_OFF_PORT_RIGHT,
13344         EL_SP_GRAVITY_OFF_PORT_DOWN,
13345         EL_SP_GRAVITY_OFF_PORT_LEFT
13346       },
13347       {
13348         EL_MOLE_UP,
13349         EL_MOLE_RIGHT,
13350         EL_MOLE_DOWN,
13351         EL_MOLE_LEFT
13352       },
13353       {
13354         EL_BALLOON_SWITCH_UP,
13355         EL_BALLOON_SWITCH_RIGHT,
13356         EL_BALLOON_SWITCH_DOWN,
13357         EL_BALLOON_SWITCH_LEFT
13358       },
13359       {
13360         EL_MM_MCDUFFIN_UP,
13361         EL_MM_MCDUFFIN_RIGHT,
13362         EL_MM_MCDUFFIN_DOWN,
13363         EL_MM_MCDUFFIN_LEFT
13364       },
13365       {
13366         EL_MM_MIRROR_FIXED_1,
13367         EL_MM_MIRROR_FIXED_4,
13368         EL_MM_MIRROR_FIXED_3,
13369         EL_MM_MIRROR_FIXED_2
13370       },
13371       {
13372         EL_MM_STEEL_GRID_FIXED_1,
13373         EL_MM_STEEL_GRID_FIXED_4,
13374         EL_MM_STEEL_GRID_FIXED_2,
13375         EL_MM_STEEL_GRID_FIXED_3
13376       },
13377       {
13378         EL_MM_WOODEN_GRID_FIXED_1,
13379         EL_MM_WOODEN_GRID_FIXED_4,
13380         EL_MM_WOODEN_GRID_FIXED_2,
13381         EL_MM_WOODEN_GRID_FIXED_3
13382       },
13383       {
13384         EL_MM_POLARIZER_CROSS_1,
13385         EL_MM_POLARIZER_CROSS_4,
13386         EL_MM_POLARIZER_CROSS_3,
13387         EL_MM_POLARIZER_CROSS_2
13388       },
13389       {
13390         EL_MM_PACMAN_UP,
13391         EL_MM_PACMAN_RIGHT,
13392         EL_MM_PACMAN_DOWN,
13393         EL_MM_PACMAN_LEFT
13394       },
13395       {
13396         EL_DF_LASER_UP,
13397         EL_DF_LASER_RIGHT,
13398         EL_DF_LASER_DOWN,
13399         EL_DF_LASER_LEFT
13400       },
13401       {
13402         EL_DF_RECEIVER_UP,
13403         EL_DF_RECEIVER_RIGHT,
13404         EL_DF_RECEIVER_DOWN,
13405         EL_DF_RECEIVER_LEFT
13406       },
13407       {
13408         EL_DF_SLOPE_1,
13409         EL_DF_SLOPE_4,
13410         EL_DF_SLOPE_3,
13411         EL_DF_SLOPE_2
13412       },
13413
13414       {
13415         -1,
13416       },
13417     };
13418     static int rotatable_elements_8[][8] =
13419     {
13420       {
13421         EL_DF_STEEL_GRID_FIXED_1,
13422         EL_DF_STEEL_GRID_FIXED_8,
13423         EL_DF_STEEL_GRID_FIXED_7,
13424         EL_DF_STEEL_GRID_FIXED_6,
13425         EL_DF_STEEL_GRID_FIXED_5,
13426         EL_DF_STEEL_GRID_FIXED_4,
13427         EL_DF_STEEL_GRID_FIXED_3,
13428         EL_DF_STEEL_GRID_FIXED_2
13429       },
13430       {
13431         EL_DF_WOODEN_GRID_FIXED_1,
13432         EL_DF_WOODEN_GRID_FIXED_8,
13433         EL_DF_WOODEN_GRID_FIXED_7,
13434         EL_DF_WOODEN_GRID_FIXED_6,
13435         EL_DF_WOODEN_GRID_FIXED_5,
13436         EL_DF_WOODEN_GRID_FIXED_4,
13437         EL_DF_WOODEN_GRID_FIXED_3,
13438         EL_DF_WOODEN_GRID_FIXED_2
13439       },
13440       {
13441         EL_DF_STEEL_GRID_ROTATING_1,
13442         EL_DF_STEEL_GRID_ROTATING_8,
13443         EL_DF_STEEL_GRID_ROTATING_7,
13444         EL_DF_STEEL_GRID_ROTATING_6,
13445         EL_DF_STEEL_GRID_ROTATING_5,
13446         EL_DF_STEEL_GRID_ROTATING_4,
13447         EL_DF_STEEL_GRID_ROTATING_3,
13448         EL_DF_STEEL_GRID_ROTATING_2
13449       },
13450       {
13451         EL_DF_WOODEN_GRID_ROTATING_1,
13452         EL_DF_WOODEN_GRID_ROTATING_8,
13453         EL_DF_WOODEN_GRID_ROTATING_7,
13454         EL_DF_WOODEN_GRID_ROTATING_6,
13455         EL_DF_WOODEN_GRID_ROTATING_5,
13456         EL_DF_WOODEN_GRID_ROTATING_4,
13457         EL_DF_WOODEN_GRID_ROTATING_3,
13458         EL_DF_WOODEN_GRID_ROTATING_2
13459       },
13460
13461       {
13462         -1,
13463       },
13464     };
13465     static int rotatable_elements_16[][16] =
13466     {
13467       {
13468         EL_MM_MIRROR_1,
13469         EL_MM_MIRROR_16,
13470         EL_MM_MIRROR_15,
13471         EL_MM_MIRROR_14,
13472         EL_MM_MIRROR_13,
13473         EL_MM_MIRROR_12,
13474         EL_MM_MIRROR_11,
13475         EL_MM_MIRROR_10,
13476         EL_MM_MIRROR_9,
13477         EL_MM_MIRROR_8,
13478         EL_MM_MIRROR_7,
13479         EL_MM_MIRROR_6,
13480         EL_MM_MIRROR_5,
13481         EL_MM_MIRROR_4,
13482         EL_MM_MIRROR_3,
13483         EL_MM_MIRROR_2
13484       },
13485       {
13486         EL_MM_TELEPORTER_5,
13487         EL_MM_TELEPORTER_4,
13488         EL_MM_TELEPORTER_3,
13489         EL_MM_TELEPORTER_2,
13490         EL_MM_TELEPORTER_1,
13491         EL_MM_TELEPORTER_16,
13492         EL_MM_TELEPORTER_15,
13493         EL_MM_TELEPORTER_14,
13494         EL_MM_TELEPORTER_13,
13495         EL_MM_TELEPORTER_12,
13496         EL_MM_TELEPORTER_11,
13497         EL_MM_TELEPORTER_10,
13498         EL_MM_TELEPORTER_9,
13499         EL_MM_TELEPORTER_8,
13500         EL_MM_TELEPORTER_7,
13501         EL_MM_TELEPORTER_6
13502       },
13503       {
13504         EL_MM_TELEPORTER_RED_5,
13505         EL_MM_TELEPORTER_RED_4,
13506         EL_MM_TELEPORTER_RED_3,
13507         EL_MM_TELEPORTER_RED_2,
13508         EL_MM_TELEPORTER_RED_1,
13509         EL_MM_TELEPORTER_RED_16,
13510         EL_MM_TELEPORTER_RED_15,
13511         EL_MM_TELEPORTER_RED_14,
13512         EL_MM_TELEPORTER_RED_13,
13513         EL_MM_TELEPORTER_RED_12,
13514         EL_MM_TELEPORTER_RED_11,
13515         EL_MM_TELEPORTER_RED_10,
13516         EL_MM_TELEPORTER_RED_9,
13517         EL_MM_TELEPORTER_RED_8,
13518         EL_MM_TELEPORTER_RED_7,
13519         EL_MM_TELEPORTER_RED_6
13520       },
13521       {
13522         EL_MM_TELEPORTER_YELLOW_5,
13523         EL_MM_TELEPORTER_YELLOW_4,
13524         EL_MM_TELEPORTER_YELLOW_3,
13525         EL_MM_TELEPORTER_YELLOW_2,
13526         EL_MM_TELEPORTER_YELLOW_1,
13527         EL_MM_TELEPORTER_YELLOW_16,
13528         EL_MM_TELEPORTER_YELLOW_15,
13529         EL_MM_TELEPORTER_YELLOW_14,
13530         EL_MM_TELEPORTER_YELLOW_13,
13531         EL_MM_TELEPORTER_YELLOW_12,
13532         EL_MM_TELEPORTER_YELLOW_11,
13533         EL_MM_TELEPORTER_YELLOW_10,
13534         EL_MM_TELEPORTER_YELLOW_9,
13535         EL_MM_TELEPORTER_YELLOW_8,
13536         EL_MM_TELEPORTER_YELLOW_7,
13537         EL_MM_TELEPORTER_YELLOW_6
13538       },
13539       {
13540         EL_MM_TELEPORTER_GREEN_5,
13541         EL_MM_TELEPORTER_GREEN_4,
13542         EL_MM_TELEPORTER_GREEN_3,
13543         EL_MM_TELEPORTER_GREEN_2,
13544         EL_MM_TELEPORTER_GREEN_1,
13545         EL_MM_TELEPORTER_GREEN_16,
13546         EL_MM_TELEPORTER_GREEN_15,
13547         EL_MM_TELEPORTER_GREEN_14,
13548         EL_MM_TELEPORTER_GREEN_13,
13549         EL_MM_TELEPORTER_GREEN_12,
13550         EL_MM_TELEPORTER_GREEN_11,
13551         EL_MM_TELEPORTER_GREEN_10,
13552         EL_MM_TELEPORTER_GREEN_9,
13553         EL_MM_TELEPORTER_GREEN_8,
13554         EL_MM_TELEPORTER_GREEN_7,
13555         EL_MM_TELEPORTER_GREEN_6
13556       },
13557       {
13558         EL_MM_TELEPORTER_BLUE_5,
13559         EL_MM_TELEPORTER_BLUE_4,
13560         EL_MM_TELEPORTER_BLUE_3,
13561         EL_MM_TELEPORTER_BLUE_2,
13562         EL_MM_TELEPORTER_BLUE_1,
13563         EL_MM_TELEPORTER_BLUE_16,
13564         EL_MM_TELEPORTER_BLUE_15,
13565         EL_MM_TELEPORTER_BLUE_14,
13566         EL_MM_TELEPORTER_BLUE_13,
13567         EL_MM_TELEPORTER_BLUE_12,
13568         EL_MM_TELEPORTER_BLUE_11,
13569         EL_MM_TELEPORTER_BLUE_10,
13570         EL_MM_TELEPORTER_BLUE_9,
13571         EL_MM_TELEPORTER_BLUE_8,
13572         EL_MM_TELEPORTER_BLUE_7,
13573         EL_MM_TELEPORTER_BLUE_6
13574       },
13575       {
13576         EL_MM_POLARIZER_1,
13577         EL_MM_POLARIZER_16,
13578         EL_MM_POLARIZER_15,
13579         EL_MM_POLARIZER_14,
13580         EL_MM_POLARIZER_13,
13581         EL_MM_POLARIZER_12,
13582         EL_MM_POLARIZER_11,
13583         EL_MM_POLARIZER_10,
13584         EL_MM_POLARIZER_9,
13585         EL_MM_POLARIZER_8,
13586         EL_MM_POLARIZER_7,
13587         EL_MM_POLARIZER_6,
13588         EL_MM_POLARIZER_5,
13589         EL_MM_POLARIZER_4,
13590         EL_MM_POLARIZER_3,
13591         EL_MM_POLARIZER_2
13592       },
13593       {
13594         EL_DF_MIRROR_1,
13595         EL_DF_MIRROR_16,
13596         EL_DF_MIRROR_15,
13597         EL_DF_MIRROR_14,
13598         EL_DF_MIRROR_13,
13599         EL_DF_MIRROR_12,
13600         EL_DF_MIRROR_11,
13601         EL_DF_MIRROR_10,
13602         EL_DF_MIRROR_9,
13603         EL_DF_MIRROR_8,
13604         EL_DF_MIRROR_7,
13605         EL_DF_MIRROR_6,
13606         EL_DF_MIRROR_5,
13607         EL_DF_MIRROR_4,
13608         EL_DF_MIRROR_3,
13609         EL_DF_MIRROR_2
13610       },
13611       {
13612         EL_DF_MIRROR_ROTATING_1,
13613         EL_DF_MIRROR_ROTATING_16,
13614         EL_DF_MIRROR_ROTATING_15,
13615         EL_DF_MIRROR_ROTATING_14,
13616         EL_DF_MIRROR_ROTATING_13,
13617         EL_DF_MIRROR_ROTATING_12,
13618         EL_DF_MIRROR_ROTATING_11,
13619         EL_DF_MIRROR_ROTATING_10,
13620         EL_DF_MIRROR_ROTATING_9,
13621         EL_DF_MIRROR_ROTATING_8,
13622         EL_DF_MIRROR_ROTATING_7,
13623         EL_DF_MIRROR_ROTATING_6,
13624         EL_DF_MIRROR_ROTATING_5,
13625         EL_DF_MIRROR_ROTATING_4,
13626         EL_DF_MIRROR_ROTATING_3,
13627         EL_DF_MIRROR_ROTATING_2
13628       },
13629       {
13630         EL_DF_MIRROR_FIXED_1,
13631         EL_DF_MIRROR_FIXED_16,
13632         EL_DF_MIRROR_FIXED_15,
13633         EL_DF_MIRROR_FIXED_14,
13634         EL_DF_MIRROR_FIXED_13,
13635         EL_DF_MIRROR_FIXED_12,
13636         EL_DF_MIRROR_FIXED_11,
13637         EL_DF_MIRROR_FIXED_10,
13638         EL_DF_MIRROR_FIXED_9,
13639         EL_DF_MIRROR_FIXED_8,
13640         EL_DF_MIRROR_FIXED_7,
13641         EL_DF_MIRROR_FIXED_6,
13642         EL_DF_MIRROR_FIXED_5,
13643         EL_DF_MIRROR_FIXED_4,
13644         EL_DF_MIRROR_FIXED_3,
13645         EL_DF_MIRROR_FIXED_2
13646       },
13647
13648       {
13649         -1,
13650       },
13651     };
13652     int i, j;
13653
13654     for (i = 0; swappable_elements[i][0] != -1; i++)
13655     {
13656       int element1 = swappable_elements[i][0];
13657       int element2 = swappable_elements[i][1];
13658
13659       if (old_element == element1 || old_element == element2)
13660         new_element = (old_element == element1 ? element2 : element1);
13661     }
13662
13663     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
13664     {
13665       for (j = 0; j < 4; j++)
13666       {
13667         int element = rotatable_elements_4[i][j];
13668
13669         if (old_element == element)
13670           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
13671                          button == 2 ? rotatable_elements_4[i][0]           :
13672                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
13673                          old_element);
13674       }
13675     }
13676
13677     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
13678     {
13679       for (j = 0; j < 8; j++)
13680       {
13681         int element = rotatable_elements_8[i][j];
13682
13683         if (old_element == element)
13684           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
13685                          button == 2 ? rotatable_elements_8[i][0]           :
13686                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
13687                          old_element);
13688       }
13689     }
13690
13691     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
13692     {
13693       for (j = 0; j < 16; j++)
13694       {
13695         int element = rotatable_elements_16[i][j];
13696
13697         if (old_element == element)
13698           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
13699                          button == 2 ? rotatable_elements_16[i][0]             :
13700                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
13701                          old_element);
13702       }
13703     }
13704
13705     if (old_element != new_element)
13706     {
13707       int max_infotext_len = getMaxInfoTextLength();
13708       char infotext[MAX_OUTPUT_LINESIZE + 1];
13709
13710       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
13711       infotext[max_infotext_len] = '\0';
13712
13713       ClearEditorGadgetInfoText();
13714
13715       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
13716                 infotext);
13717     }
13718   }
13719
13720   if (IS_MM_WALL_EDITOR(new_element))
13721     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
13722   else
13723     SetElementSimple(x, y, new_element, change_level);
13724
13725   last_x = x;
13726   last_y = y;
13727 }
13728
13729 static void ResetIntelliDraw(void)
13730 {
13731   int x, y;
13732
13733   for (x = 0; x < lev_fieldx; x++)
13734     for (y = 0; y < lev_fieldy; y++)
13735       IntelliDrawBuffer[x][y] = Tile[x][y];
13736
13737   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
13738 }
13739
13740 static boolean draw_mode_hires = FALSE;
13741
13742 static boolean isHiresTileElement(int element)
13743 {
13744   return (IS_MM_WALL(element)        || element == EL_EMPTY);
13745 }
13746
13747 static boolean isHiresDrawElement(int element)
13748 {
13749   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
13750 }
13751
13752 static int numHiresTiles(int element)
13753 {
13754   if (IS_MM_WALL(element))
13755     return get_number_of_bits(MM_WALL_BITS(element));
13756
13757   return 1;
13758 }
13759
13760 static void SetDrawModeHiRes(int element)
13761 {
13762   draw_mode_hires =
13763     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
13764      isHiresDrawElement(element));
13765 }
13766
13767 static boolean getDrawModeHiRes(void)
13768 {
13769   return draw_mode_hires;
13770 }
13771
13772 static int getLoResScreenPos(int pos)
13773 {
13774   return (getDrawModeHiRes() ? pos / 2 : pos);
13775 }
13776
13777 static int getLoResScreenMod(int pos)
13778 {
13779   return (getDrawModeHiRes() ? pos % 2 : 0);
13780 }
13781
13782 static void SetElementExt(int x, int y, int dx, int dy, int element,
13783                           boolean change_level, int button)
13784 {
13785   if (element < 0)
13786     SetElementSimple(x, y, Tile[x][y], change_level);
13787   else if (GetKeyModState() & KMOD_Shift)
13788     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
13789   else
13790     SetElementSimpleExt(x, y, dx, dy, element, change_level);
13791 }
13792
13793 static void SetElement(int x, int y, int element)
13794 {
13795   SetElementExt(x, y, 0, 0, element, TRUE, -1);
13796 }
13797
13798 static void SetElementButton(int x, int y, int dx, int dy, int element,
13799                              int button)
13800 {
13801   SetElementExt(x, y, dx, dy, element, TRUE, button);
13802 }
13803
13804 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
13805 {
13806   int lx = getLoResScreenPos(sx2) + level_xpos;
13807   int ly = getLoResScreenPos(sy2) + level_ypos;
13808   int dx = getLoResScreenMod(sx2);
13809   int dy = getLoResScreenMod(sy2);
13810
13811   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
13812 }
13813
13814 static void SetLevelElementHiRes(int lx2, int ly2, int element)
13815 {
13816   int lx = lx2 / 2;
13817   int ly = ly2 / 2;
13818   int dx = lx2 % 2;
13819   int dy = ly2 % 2;
13820
13821   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
13822 }
13823
13824 static int getLevelElementHiRes(int lx2, int ly2)
13825 {
13826   int lx = lx2 / 2;
13827   int ly = ly2 / 2;
13828   int dx = lx2 % 2;
13829   int dy = ly2 % 2;
13830   int element = Tile[lx][ly];
13831   unsigned int bitmask = (dx + 1) << (dy * 2);
13832
13833   if (IS_MM_WALL(element))
13834   {
13835     if (element & bitmask)
13836       return map_mm_wall_element(element);
13837     else
13838       return EL_EMPTY;
13839   }
13840
13841   return element;
13842 }
13843
13844 static void DrawLineElement(int x, int y, int element, boolean change_level)
13845 {
13846   SetElementHiRes(x, y, element, change_level);
13847 }
13848
13849 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
13850                      int element, boolean change_level)
13851 {
13852   int xsize = ABS(to_x - from_x);
13853   int ysize = ABS(to_y - from_y);
13854   int dx = (to_x < from_x ? -1 : +1);
13855   int dy = (to_y < from_y ? -1 : +1);
13856   int i;
13857
13858   if (from_y == to_y)                   // horizontal line
13859   {
13860     for (i = 0; i <= xsize; i++)
13861       DrawLineElement(from_x + i * dx, from_y, element, change_level);
13862   }
13863   else if (from_x == to_x)              // vertical line
13864   {
13865     for (i = 0; i <= ysize; i++)
13866       DrawLineElement(from_x, from_y + i * dy, element, change_level);
13867   }
13868   else                                  // diagonal line
13869   {
13870     if (ysize < xsize)                  // a < 1
13871     {
13872       float a = (float)ysize / (float)xsize;
13873
13874       for (i = 0; i <= xsize; i++)
13875       {
13876         int x = dx * i;
13877         int y = dy * (int)(a * i + 0.5);
13878
13879         DrawLineElement(from_x + x, from_y + y, element, change_level);
13880       }
13881     }
13882     else                                // a >= 1
13883     {
13884       float a = (float)xsize / (float)ysize;
13885
13886       for (i = 0; i <= ysize; i++)
13887       {
13888         int x = dx * (int)(a * i + 0.5);
13889         int y = dy * i;
13890
13891         DrawLineElement(from_x + x, from_y + y, element, change_level);
13892       }
13893     }
13894   }
13895 }
13896
13897 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
13898                     int element, boolean change_level)
13899 {
13900   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
13901   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
13902   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
13903   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
13904 }
13905
13906 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
13907                           int element, boolean change_level)
13908 {
13909   int y;
13910
13911   if (from_y > to_y)
13912     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
13913
13914   for (y = from_y; y <= to_y; y++)
13915     DrawLine(from_x, y, to_x, y, element, change_level);
13916 }
13917
13918 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
13919                        int element, boolean change_level)
13920 {
13921   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
13922   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
13923   int len_x = ABS(to_x - from_x);
13924   int len_y = ABS(to_y - from_y);
13925   int radius, x, y;
13926
13927   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
13928
13929   // not optimal (some points get drawn twice) but simple,
13930   // and fast enough for the few points we are drawing
13931
13932   for (x = 0; x <= radius; x++)
13933   {
13934     int sx, sy, sx2, sy2, lx, ly;
13935
13936     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
13937
13938     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13939     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13940     sx = getLoResScreenPos(sx2);
13941     sy = getLoResScreenPos(sy2);
13942     lx = sx + level_xpos;
13943     ly = sy + level_ypos;
13944
13945     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13946       DrawLineElement(sx2, sy2, element, change_level);
13947   }
13948
13949   for (y = 0; y <= radius; y++)
13950   {
13951     int sx, sy, sx2, sy2, lx, ly;
13952
13953     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
13954
13955     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
13956     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
13957     sx = getLoResScreenPos(sx2);
13958     sy = getLoResScreenPos(sy2);
13959     lx = sx + level_xpos;
13960     ly = sy + level_ypos;
13961
13962     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13963       DrawLineElement(sx2, sy2, element, change_level);
13964   }
13965 }
13966
13967 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
13968                     int element, boolean change_level)
13969 {
13970   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13971   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13972
13973   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13974 }
13975
13976 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
13977
13978 #if DRAW_CIRCLES_BUTTON_AVAILABLE
13979 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
13980                        int element, boolean change_level)
13981 {
13982   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13983   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13984   int mirror_to_x2 = from_x - (to_x2 - from_x);
13985   int mirror_to_y2 = from_y - (to_y2 - from_y);
13986
13987   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13988   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13989   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13990   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13991 }
13992 #endif
13993
13994 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13995 {
13996   int from_sx, from_sy;
13997   int to_sx, to_sy;
13998
13999   if (from_x > to_x)
14000     swap_numbers(&from_x, &to_x);
14001
14002   if (from_y > to_y)
14003     swap_numbers(&from_y, &to_y);
14004
14005   from_sx = SX + from_x * ed_tilesize;
14006   from_sy = SY + from_y * ed_tilesize;
14007   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
14008   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
14009
14010   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
14011   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
14012   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
14013   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
14014
14015   if (from_x == to_x && from_y == to_y)
14016     MarkTileDirty(from_x/2, from_y/2);
14017   else
14018     redraw_mask |= REDRAW_FIELD;
14019 }
14020
14021 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
14022                         int element, boolean change_level)
14023 {
14024   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
14025 }
14026
14027 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
14028                        int element, boolean change_level)
14029 {
14030   if (element == -1 || change_level)
14031     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
14032   else
14033     DrawAreaBorder(from_x, from_y, to_x, to_y);
14034 }
14035
14036 // values for CopyBrushExt()
14037 #define CB_AREA_TO_BRUSH                0
14038 #define CB_BRUSH_TO_CURSOR              1
14039 #define CB_BRUSH_TO_LEVEL               2
14040 #define CB_DELETE_OLD_CURSOR            3
14041 #define CB_DUMP_BRUSH                   4
14042 #define CB_DUMP_BRUSH_SMALL             5
14043 #define CB_CLIPBOARD_TO_BRUSH           6
14044 #define CB_BRUSH_TO_CLIPBOARD           7
14045 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
14046 #define CB_UPDATE_BRUSH_POSITION        9
14047 #define CB_FLIP_BRUSH_X                 10
14048 #define CB_FLIP_BRUSH_Y                 11
14049 #define CB_FLIP_BRUSH_XY                12
14050
14051 #define MAX_CB_PART_SIZE        10
14052 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
14053 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
14054 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
14055                                  MAX_CB_NUM_LINES *     \
14056                                  MAX_CB_PART_SIZE)
14057
14058 static int getFlippedTileExt(int map[], int element)
14059 {
14060   int i;
14061
14062   for (i = 0; map[i] != -1; i++)
14063     if (map[i] == element)
14064       return map[i ^ 1];        // get flipped element by flipping LSB of index
14065
14066   return element;
14067 }
14068
14069 static int getFlippedTileX(int element)
14070 {
14071   int map[] =
14072   {
14073     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
14074     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
14075     EL_BUG_LEFT,                        EL_BUG_RIGHT,
14076     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
14077     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
14078     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
14079     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
14080     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
14081     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
14082     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
14083     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
14084     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
14085     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
14086     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
14087     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
14088     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
14089     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
14090     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
14091     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
14092     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
14093     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
14094     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
14095     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
14096     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
14097     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
14098     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
14099     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14100     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
14101     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
14102     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
14103
14104     -1
14105   };
14106
14107   return getFlippedTileExt(map, element);
14108 }
14109
14110 static int getFlippedTileY(int element)
14111 {
14112   int map[] =
14113   {
14114     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
14115     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
14116     EL_BUG_UP,                          EL_BUG_DOWN,
14117     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
14118     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
14119     EL_ARROW_UP,                        EL_ARROW_DOWN,
14120     EL_MOLE_UP,                         EL_MOLE_DOWN,
14121     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
14122     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
14123     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
14124     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
14125     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
14126     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
14127     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
14128     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
14129     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
14130     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
14131     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
14132     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
14133     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
14134     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14135     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
14136     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
14137     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
14138
14139     -1
14140   };
14141
14142   return getFlippedTileExt(map, element);
14143 }
14144
14145 static int getFlippedTileXY(int element)
14146 {
14147   int map[] =
14148   {
14149     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
14150     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
14151     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
14152     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
14153     EL_BUG_LEFT,                        EL_BUG_UP,
14154     EL_BUG_RIGHT,                       EL_BUG_DOWN,
14155     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
14156     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
14157     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
14158     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
14159     EL_ARROW_LEFT,                      EL_ARROW_UP,
14160     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
14161     EL_MOLE_LEFT,                       EL_MOLE_UP,
14162     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
14163     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
14164     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
14165     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
14166     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
14167     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
14168     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
14169     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
14170     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
14171     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
14172     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
14173     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
14174     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
14175     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
14176     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
14177     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
14178     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
14179     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
14180     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
14181     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
14182     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
14183     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
14184     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
14185     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
14186     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
14187     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
14188     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
14189     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
14190     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
14191
14192     -1
14193   };
14194
14195   return getFlippedTileExt(map, element);
14196 }
14197
14198 static int getFlippedTile(int element, int mode)
14199 {
14200   if (IS_MM_ELEMENT(element))
14201   {
14202     // get MM game element
14203     element = map_element_RND_to_MM(element);
14204
14205     // get flipped game element
14206     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
14207                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
14208                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
14209                element);
14210
14211     // get RND game element again
14212     element = map_element_MM_to_RND(element);
14213   }
14214   else
14215   {
14216     // get flipped game element
14217     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
14218                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
14219                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
14220                element);
14221   }
14222
14223   return element;
14224 }
14225
14226 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
14227 {
14228   // flip tiles
14229   short tile1_flipped = getFlippedTile(*tile1, mode);
14230   short tile2_flipped = getFlippedTile(*tile2, mode);
14231
14232   // swap tiles
14233   *tile1 = tile2_flipped;
14234   *tile2 = tile1_flipped;
14235 }
14236
14237 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
14238 {
14239   DrawLineElement(sx, sy, element, change_level);
14240 }
14241
14242 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
14243                          int button, int mode)
14244 {
14245   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14246   static int brush_width, brush_height;
14247   static int last_cursor_x = -1, last_cursor_y = -1;
14248   static boolean delete_old_brush = FALSE;
14249   int new_element = BUTTON_ELEMENT(button);
14250   int x, y;
14251
14252   if (mode == CB_DUMP_BRUSH ||
14253       mode == CB_DUMP_BRUSH_SMALL ||
14254       mode == CB_BRUSH_TO_CLIPBOARD ||
14255       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14256   {
14257     if (edit_mode != ED_MODE_DRAWING)
14258       return;
14259
14260     char part[MAX_CB_PART_SIZE + 1] = "";
14261     char text[MAX_CB_TEXT_SIZE + 1] = "";
14262     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
14263     int height = (draw_with_brush ? brush_height : lev_fieldy);
14264     char *format = "%s%03d";
14265
14266     for (y = 0; y < height; y++)
14267       for (x = 0; x < width; x++)
14268         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
14269           format = "%s%04d";
14270
14271     for (y = 0; y < height; y++)
14272     {
14273       for (x = 0; x < width; x++)
14274       {
14275         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
14276         char *prefix = (mode == CB_DUMP_BRUSH ||
14277                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
14278
14279         if (element >= NUM_FILE_ELEMENTS)
14280           element = EL_UNKNOWN;
14281
14282         // copy brush to level sketch text buffer for the R'n'D forum:
14283         // - large tiles: `xxx or `xxxx (0x60 ASCII)
14284         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
14285         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
14286         strcat(text, part);
14287       }
14288
14289       strcat(text, "\n");
14290     }
14291
14292     if (mode == CB_BRUSH_TO_CLIPBOARD ||
14293         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
14294       SDL_SetClipboardText(text);
14295     else
14296       Print("%s", text);        // print brush data to console and log file
14297
14298     return;
14299   }
14300
14301   if (mode == CB_CLIPBOARD_TO_BRUSH)
14302   {
14303     if (edit_mode != ED_MODE_DRAWING)
14304       return;
14305
14306     if (!SDL_HasClipboardText())
14307     {
14308       Request("Clipboard is empty!", REQ_CONFIRM);
14309
14310       return;
14311     }
14312
14313     boolean copy_to_brush = (draw_with_brush ||
14314                              drawing_function == GADGET_ID_GRAB_BRUSH);
14315
14316     // this will delete the old brush, if already drawing with a brush
14317     if (copy_to_brush)
14318       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
14319
14320     // initialization is required for "odd" (incomplete) clipboard content
14321     for (x = 0; x < MAX_LEV_FIELDX; x++)
14322       for (y = 0; y < MAX_LEV_FIELDY; y++)
14323         brush_buffer[x][y] = EL_EMPTY;
14324
14325     brush_width  = 0;
14326     brush_height = 0;
14327     x = 0;
14328     y = 0;
14329
14330     char *clipboard_text = SDL_GetClipboardText();
14331     char *ptr = clipboard_text;
14332     boolean allow_new_row = FALSE;
14333     boolean stop = FALSE;
14334
14335     while (*ptr && !stop)
14336     {
14337       boolean prefix_found = FALSE;
14338       boolean start_new_row = FALSE;
14339
14340       // level sketch element number prefixes (may be multi-byte characters)
14341       char *prefix_list[] = { "`", "¸" };
14342       int i;
14343
14344       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
14345       {
14346         char *prefix = prefix_list[i];
14347
14348         // check if string is large enough for prefix
14349         if (strlen(ptr) < strlen(prefix))
14350         {
14351           stop = TRUE;
14352
14353           break;
14354         }
14355
14356         // check if string starts with prefix
14357         if (strPrefix(ptr, prefix))
14358         {
14359           ptr += strlen(prefix);
14360
14361           prefix_found = TRUE;
14362
14363           break;
14364         }
14365       }
14366
14367       // check if prefix found and followed by (at least) three digits
14368       if (prefix_found &&
14369           strlen(ptr) >= 3 &&
14370           ptr[0] >= '0' && ptr[0] <= '9' &&
14371           ptr[1] >= '0' && ptr[1] <= '9' &&
14372           ptr[2] >= '0' && ptr[2] <= '9')
14373       {
14374         int element = ((ptr[0] - '0') * 100 +
14375                        (ptr[1] - '0') * 10 +
14376                        (ptr[2] - '0'));
14377
14378         ptr += 3;
14379
14380         // level sketch element number might consist of four digits
14381         if (ptr[0] >= '0' && ptr[0] <= '9')
14382         {
14383           element = element * 10 + (ptr[0] - '0');
14384           ptr++;
14385         }
14386
14387         // remap some (historic, now obsolete) elements
14388         element = getMappedElement(element);
14389
14390         if (element >= NUM_FILE_ELEMENTS)
14391           element = EL_UNKNOWN;
14392
14393         brush_buffer[x][y] = element;
14394
14395         brush_width  = MAX(x + 1, brush_width);
14396         brush_height = MAX(y + 1, brush_height);
14397
14398         x++;
14399
14400         if (x >= MAX_LEV_FIELDX)
14401           start_new_row = TRUE;
14402
14403         allow_new_row = TRUE;
14404       }
14405       else
14406       {
14407         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
14408           start_new_row = TRUE;
14409
14410         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
14411       }
14412
14413       if (start_new_row)
14414       {
14415         x = 0;
14416         y++;
14417
14418         if (y >= MAX_LEV_FIELDY)
14419           stop = TRUE;
14420
14421         allow_new_row = FALSE;
14422       }
14423     }
14424
14425     SDL_free(clipboard_text);
14426
14427     if (brush_width == 0 || brush_height == 0)
14428     {
14429       Request("No level sketch found in clipboard!", REQ_CONFIRM);
14430
14431       return;
14432     }
14433
14434     if (copy_to_brush)
14435     {
14436       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
14437       int mx, my;
14438
14439       SDL_GetMouseState(&mx, &my);
14440
14441       // if inside drawing area, activate and draw brush at last mouse position
14442       if (mx >= gi->x && mx < gi->x + gi->width &&
14443           my >= gi->y && my < gi->y + gi->height)
14444         CopyBrushToCursor(last_cursor_x, last_cursor_y);
14445
14446       draw_with_brush = TRUE;
14447     }
14448     else
14449     {
14450       char request[100];
14451
14452       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
14453               brush_width, brush_height);
14454
14455       if (!Request(request, REQ_ASK))
14456         return;
14457
14458       for (x = 0; x < MAX_LEV_FIELDX; x++)
14459         for (y = 0; y < MAX_LEV_FIELDY; y++)
14460           Tile[x][y] = brush_buffer[x][y];
14461
14462       lev_fieldx = level.fieldx = brush_width;
14463       lev_fieldy = level.fieldy = brush_height;
14464
14465       boolean use_bd_engine = TRUE;
14466       boolean use_em_engine = TRUE;
14467       boolean use_sp_engine = TRUE;
14468       boolean use_mm_engine = TRUE;
14469
14470       for (x = 0; x < MAX_LEV_FIELDX; x++)
14471       {
14472         for (y = 0; y < MAX_LEV_FIELDY; y++)
14473         {
14474           int element = Tile[x][y];
14475
14476           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14477             use_bd_engine = FALSE;
14478
14479           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
14480             use_em_engine = FALSE;
14481
14482           if (!IS_SP_ELEMENT(element))
14483             use_sp_engine = FALSE;
14484
14485           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
14486             use_mm_engine = FALSE;
14487         }
14488       }
14489
14490       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
14491                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
14492                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
14493                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
14494                                 GAME_ENGINE_TYPE_RND);
14495
14496       // update element selection list
14497       ReinitializeElementList();
14498       ModifyEditorElementList();
14499
14500       SetBorderElement();
14501
14502       DrawEditModeWindow();
14503       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14504     }
14505
14506     return;
14507   }
14508
14509   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
14510     return;
14511
14512   if (mode == CB_AREA_TO_BRUSH)
14513   {
14514     int from_lx, from_ly;
14515
14516     if (from_x > to_x)
14517       swap_numbers(&from_x, &to_x);
14518
14519     if (from_y > to_y)
14520       swap_numbers(&from_y, &to_y);
14521
14522     brush_width = to_x - from_x + 1;
14523     brush_height = to_y - from_y + 1;
14524
14525     from_lx = from_x + level_xpos;
14526     from_ly = from_y + level_ypos;
14527
14528     for (y = 0; y < brush_height; y++)
14529     {
14530       for (x = 0; x < brush_width; x++)
14531       {
14532         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
14533
14534         if (button != 1)
14535           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
14536       }
14537     }
14538
14539     if (button != 1)
14540       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14541
14542     delete_old_brush = FALSE;
14543   }
14544   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
14545            mode == CB_BRUSH_TO_LEVEL)
14546   {
14547     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
14548     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
14549     int cursor_from_x = cursor_x - brush_width / 2;
14550     int cursor_from_y = cursor_y - brush_height / 2;
14551     int border_from_x = cursor_x, border_from_y = cursor_y;
14552     int border_to_x = cursor_x, border_to_y = cursor_y;
14553
14554     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
14555       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14556
14557     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
14558         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
14559     {
14560       delete_old_brush = FALSE;
14561
14562       return;
14563     }
14564
14565     for (y = 0; y < brush_height; y++)
14566     {
14567       for (x = 0; x < brush_width; x++)
14568       {
14569         int sx = cursor_from_x + x;
14570         int sy = cursor_from_y + y;
14571         int lx = sx + level_xpos;
14572         int ly = sy + level_ypos;
14573         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
14574         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
14575                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
14576                        brush_buffer[x][y] : new_element);
14577
14578         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
14579         {
14580           if (sx < border_from_x)
14581             border_from_x = sx;
14582           else if (sx > border_to_x)
14583             border_to_x = sx;
14584           if (sy < border_from_y)
14585             border_from_y = sy;
14586           else if (sy > border_to_y)
14587             border_to_y = sy;
14588
14589           DrawBrushElement(sx, sy, element, change_level);
14590         }
14591       }
14592     }
14593
14594     if (mode != CB_DELETE_OLD_CURSOR)
14595       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
14596
14597     last_cursor_x = cursor_x;
14598     last_cursor_y = cursor_y;
14599
14600     delete_old_brush = TRUE;
14601   }
14602   else if (mode == CB_FLIP_BRUSH_X)
14603   {
14604     for (y = 0; y < brush_height; y++)
14605       for (x = 0; x < (brush_width + 1) / 2; x++)
14606         SwapFlippedTiles(&brush_buffer[x][y],
14607                          &brush_buffer[brush_width - x - 1][y], mode);
14608
14609     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14610   }
14611   else if (mode == CB_FLIP_BRUSH_Y)
14612   {
14613     for (y = 0; y < (brush_height + 1) / 2; y++)
14614       for (x = 0; x < brush_width; x++)
14615         SwapFlippedTiles(&brush_buffer[x][y],
14616                          &brush_buffer[x][brush_height - y - 1], mode);
14617
14618     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14619   }
14620   else if (mode == CB_FLIP_BRUSH_XY)
14621   {
14622     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14623
14624     for (y = 0; y < MAX(brush_width, brush_height); y++)
14625       for (x = 0; x <= y; x++)
14626         SwapFlippedTiles(&brush_buffer[x][y],
14627                          &brush_buffer[y][x], mode);
14628
14629     swap_numbers(&brush_width, &brush_height);
14630
14631     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14632   }
14633
14634   if (mode == CB_UPDATE_BRUSH_POSITION)
14635   {
14636     last_cursor_x = from_x;
14637     last_cursor_y = from_y;
14638   }
14639 }
14640
14641 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
14642                             int button)
14643 {
14644   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
14645 }
14646
14647 static void CopyBrushToLevel(int x, int y, int button)
14648 {
14649   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
14650 }
14651
14652 static void CopyBrushToCursor(int x, int y)
14653 {
14654   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
14655 }
14656
14657 static void UpdateBrushPosition(int x, int y)
14658 {
14659   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
14660 }
14661
14662 static void DeleteBrushFromCursor(void)
14663 {
14664   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
14665 }
14666
14667 static void FlipBrushX(void)
14668 {
14669   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14670 }
14671
14672 static void FlipBrushY(void)
14673 {
14674   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
14675 }
14676
14677 static void RotateBrush(void)
14678 {
14679   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
14680   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
14681 }
14682
14683 void DumpBrush(void)
14684 {
14685   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
14686 }
14687
14688 void DumpBrush_Small(void)
14689 {
14690   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
14691 }
14692
14693 void CopyClipboardToBrush(void)
14694 {
14695   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
14696 }
14697
14698 void CopyBrushToClipboard(void)
14699 {
14700   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
14701 }
14702
14703 void CopyBrushToClipboard_Small(void)
14704 {
14705   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
14706 }
14707
14708 void UndoLevelEditorOperation(void)
14709 {
14710   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
14711 }
14712
14713 void RedoLevelEditorOperation(void)
14714 {
14715   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
14716 }
14717
14718 static void FloodFill(int from_x, int from_y, int fill_element)
14719 {
14720   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
14721 }
14722
14723 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
14724 {
14725   int from_x = from_sx2 + 2 * level_xpos;
14726   int from_y = from_sy2 + 2 * level_ypos;
14727   int max_fillx = lev_fieldx * 2;
14728   int max_filly = lev_fieldy * 2;
14729   short Fill[max_fillx][max_filly];
14730   int x, y;
14731
14732   for (x = 0; x < max_fillx; x++)
14733     for (y = 0; y < max_filly; y++)
14734       Fill[x][y] = getLevelElementHiRes(x, y);
14735
14736   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
14737                     Fill, max_fillx, max_filly);
14738
14739   for (x = 0; x < max_fillx; x++)
14740     for (y = 0; y < max_filly; y++)
14741       if (Fill[x][y] == fill_element)
14742         SetLevelElementHiRes(x, y, Fill[x][y]);
14743 }
14744
14745 // values for DrawLevelText() modes
14746 #define TEXT_INIT               0
14747 #define TEXT_SETCURSOR          1
14748 #define TEXT_WRITECHAR          2
14749 #define TEXT_BACKSPACE          3
14750 #define TEXT_NEWLINE            4
14751 #define TEXT_END                5
14752 #define TEXT_QUERY_TYPING       6
14753
14754 static int DrawLevelText(int sx, int sy, char letter, int mode)
14755 {
14756   static short delete_buffer[MAX_LEV_FIELDX];
14757   static int start_sx;
14758   static int last_sx, last_sy;
14759   static boolean typing = FALSE;
14760   int letter_element;
14761   int lx = 0, ly = 0;
14762
14763   // map lower case letters to upper case and convert special characters
14764   if (letter >= 'a' && letter <= 'z')
14765     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
14766   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
14767     letter_element = EL_CHAR_AUMLAUT;
14768   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
14769     letter_element = EL_CHAR_OUMLAUT;
14770   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
14771     letter_element = EL_CHAR_UUMLAUT;
14772   else if (letter == '^')
14773     letter_element = EL_CHAR_COPYRIGHT;
14774   else
14775     letter_element = EL_CHAR_ASCII0 + letter;
14776
14777   if (mode != TEXT_INIT)
14778   {
14779     if (!typing)
14780       return FALSE;
14781
14782     if (mode != TEXT_SETCURSOR)
14783     {
14784       sx = last_sx;
14785       sy = last_sy;
14786     }
14787
14788     lx = last_sx + level_xpos;
14789     ly = last_sy + level_ypos;
14790   }
14791
14792   switch (mode)
14793   {
14794     case TEXT_INIT:
14795       if (typing)
14796         DrawLevelText(0, 0, 0, TEXT_END);
14797
14798       typing = TRUE;
14799       start_sx = sx;
14800       last_sx = sx;
14801       last_sy = sy;
14802       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
14803       break;
14804
14805     case TEXT_SETCURSOR:
14806       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
14807       DrawAreaBorder(sx, sy, sx, sy);
14808       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
14809                      ed_tilesize, ed_tilesize);
14810       last_sx = sx;
14811       last_sy = sy;
14812       break;
14813
14814     case TEXT_WRITECHAR:
14815       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
14816       {
14817         if (new_element1 >= EL_STEEL_CHAR_START &&
14818             new_element1 <= EL_STEEL_CHAR_END)
14819           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
14820
14821         delete_buffer[sx - start_sx] = Tile[lx][ly];
14822         Tile[lx][ly] = letter_element;
14823
14824         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
14825           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
14826         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14827           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14828         else
14829           DrawLevelText(0, 0, 0, TEXT_END);
14830
14831         level.changed = TRUE;
14832       }
14833       break;
14834
14835     case TEXT_BACKSPACE:
14836       if (sx > start_sx)
14837       {
14838         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
14839         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
14840         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
14841       }
14842       break;
14843
14844     case TEXT_NEWLINE:
14845       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
14846         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
14847       else
14848         DrawLevelText(0, 0, 0, TEXT_END);
14849       break;
14850
14851     case TEXT_END:
14852       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14853       DrawEditorElement(sx, sy, Tile[lx][ly]);
14854       StopTextInput();
14855       typing = FALSE;
14856       break;
14857
14858     case TEXT_QUERY_TYPING:
14859       break;
14860
14861     default:
14862       break;
14863   }
14864
14865   return typing;
14866 }
14867
14868 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
14869                           int element, boolean change_level)
14870 {
14871   int lx = sx + level_xpos;
14872   int ly = sy + level_ypos;
14873
14874   if (element == -1)
14875     DrawEditorElement(sx, sy, Tile[lx][ly]);
14876   else
14877     DrawAreaBorder(sx, sy, sx, sy);
14878 }
14879
14880 static void CheckLevelBorderElement(boolean redraw_playfield)
14881 {
14882   int last_border_element = BorderElement;
14883
14884   SetBorderElement();
14885
14886   if (redraw_playfield && BorderElement != last_border_element)
14887     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14888 }
14889
14890 static void CopyLevelToUndoBuffer(int mode)
14891 {
14892   static boolean accumulated_undo = FALSE;
14893   boolean new_undo_buffer_position = TRUE;
14894   int x, y;
14895
14896   if (undo_buffer_steps == 0)
14897     accumulated_undo = FALSE;
14898
14899   switch (mode)
14900   {
14901     case UNDO_IMMEDIATE:
14902       accumulated_undo = FALSE;
14903       break;
14904
14905     case UNDO_ACCUMULATE:
14906       if (accumulated_undo)
14907         new_undo_buffer_position = FALSE;
14908       accumulated_undo = TRUE;
14909       break;
14910
14911     default:
14912       break;
14913   }
14914
14915   if (new_undo_buffer_position)
14916   {
14917     // advance position in undo buffer ring
14918     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
14919
14920     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
14921       undo_buffer_steps++;
14922   }
14923
14924   // always reset redo buffer when storing level change into undo buffer
14925   redo_buffer_steps = 0;
14926
14927   for (x = 0; x < lev_fieldx; x++)
14928     for (y = 0; y < lev_fieldy; y++)
14929       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
14930
14931   // check if drawing operation forces change of border style
14932   CheckLevelBorderElement(TRUE);
14933
14934   level.changed = TRUE;
14935 }
14936
14937 static void RandomPlacement(int new_element)
14938 {
14939   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
14940   int num_free_positions = 0;
14941   int num_percentage, num_elements;
14942   int x, y;
14943
14944   ResetIntelliDraw();
14945
14946   // determine number of free positions for randomly placing the new element
14947   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
14948   {
14949     free_position[x][y] =
14950       (random_placement_background_restricted ?
14951        Tile[x][y] == random_placement_background_element :
14952        Tile[x][y] != new_element);
14953
14954     if (free_position[x][y])
14955       num_free_positions++;
14956   }
14957
14958   // determine number of new elements to place there
14959   num_percentage = num_free_positions * random_placement_value / 100;
14960   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
14961                   num_percentage : random_placement_value);
14962
14963   // if less free positions than elements to place, fill all these positions
14964   if (num_free_positions < num_elements)
14965   {
14966     for (x = 0; x < lev_fieldx; x++)
14967       for (y = 0; y < lev_fieldy; y++)
14968         if (free_position[x][y])
14969           SetElement(x, y, new_element);
14970   }
14971   else
14972   {
14973     while (num_elements > 0)
14974     {
14975       x = GetSimpleRandom(lev_fieldx);
14976       y = GetSimpleRandom(lev_fieldy);
14977
14978       // don't place element at the same position twice
14979       if (free_position[x][y])
14980       {
14981         free_position[x][y] = FALSE;
14982         SetElement(x, y, new_element);
14983         num_elements--;
14984       }
14985     }
14986   }
14987
14988   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14989   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14990 }
14991
14992 static void WrapLevel(int dx, int dy)
14993 {
14994   int wrap_dx = lev_fieldx - dx;
14995   int wrap_dy = lev_fieldy - dy;
14996   int x, y;
14997
14998   for (x = 0; x < lev_fieldx; x++)
14999     for (y = 0; y < lev_fieldy; y++)
15000       TileBackup[x][y] = Tile[x][y];
15001
15002   for (x = 0; x < lev_fieldx; x++)
15003     for (y = 0; y < lev_fieldy; y++)
15004       Tile[x][y] =
15005         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
15006
15007   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15008   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
15009 }
15010
15011 static void DrawAreaElementHighlight(boolean highlighted,
15012                                      boolean highlighted_similar)
15013 {
15014   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15015
15016   if (!highlighted)
15017     return;
15018
15019   int x, y;
15020
15021   for (x = 0; x < ed_fieldx; x++)
15022   {
15023     for (y = 0; y < ed_fieldy; y++)
15024     {
15025       boolean highlight = FALSE;
15026       int lx = x + level_xpos;
15027       int ly = y + level_ypos;
15028
15029       if (!IN_LEV_FIELD(lx, ly))
15030         continue;
15031
15032       // check if element is the same
15033       if (Tile[lx][ly] == new_element1)
15034         highlight = TRUE;
15035
15036       // check if element is similar
15037       if (highlighted_similar &&
15038           strEqual(element_info[Tile[lx][ly]].class_name,
15039                    element_info[new_element1].class_name))
15040         highlight = TRUE;
15041
15042       // check if element is matching MM style wall
15043       if (IS_MM_WALL(Tile[lx][ly]) &&
15044           map_mm_wall_element(Tile[lx][ly]) == new_element1)
15045         highlight = TRUE;
15046
15047       if (!highlight)
15048         continue;
15049
15050       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
15051       {
15052         int i;
15053
15054         for (i = 0; i < 4; i++)
15055         {
15056           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
15057             continue;
15058
15059           int xx = x * 2 + (i % 2);
15060           int yy = y * 2 + (i / 2);
15061           int sx = SX + xx * ed_tilesize / 2;
15062           int sy = SY + yy * ed_tilesize / 2;
15063           int from_sx = sx;
15064           int from_sy = sy;
15065           int to_sx = sx + ed_tilesize / 2 - 1;
15066           int to_sy = sy + ed_tilesize / 2 - 1;
15067
15068           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15069           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15070           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15071           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15072         }
15073       }
15074       else
15075       {
15076         int sx = SX + x * ed_tilesize;
15077         int sy = SY + y * ed_tilesize;
15078         int from_sx = sx;
15079         int from_sy = sy;
15080         int to_sx = sx + ed_tilesize - 1;
15081         int to_sy = sy + ed_tilesize - 1;
15082
15083         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
15084         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
15085         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
15086         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
15087       }
15088     }
15089   }
15090 }
15091
15092 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
15093 {
15094   char *template_filename_old = getLocalLevelTemplateFilename();
15095   char *template_filename_new =
15096     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
15097
15098   if (copyFile(template_filename_old, template_filename_new) != 0)
15099     Request("Cannot copy level template!", REQ_CONFIRM);
15100
15101   free(template_filename_new);
15102 }
15103
15104 static void HandleDrawingAreas(struct GadgetInfo *gi)
15105 {
15106   static boolean started_inside_drawing_area = FALSE;
15107   static int last_sx = -1;
15108   static int last_sy = -1;
15109   static int last_sx2 = -1;
15110   static int last_sy2 = -1;
15111   int id = gi->custom_id;
15112   int type_id = gi->custom_type_id;
15113   boolean button_press_event;
15114   boolean button_release_event;
15115   boolean inside_drawing_area = !gi->event.off_borders;
15116   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
15117   int actual_drawing_function;
15118   int button = gi->event.button;
15119   int new_element = BUTTON_ELEMENT(button);
15120   int sx = gi->event.x, sy = gi->event.y;
15121   int min_sx = 0, min_sy = 0;
15122   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
15123   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
15124   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
15125   int sx2 = gi->event.mx / mini_item_xsize;
15126   int sy2 = gi->event.my / mini_item_ysize;
15127   int dx = sx2 % 2;
15128   int dy = sy2 % 2;
15129   int lx = 0, ly = 0;
15130   int x, y;
15131
15132   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
15133   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
15134
15135   // make sure to stay inside drawing area boundaries
15136   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15137   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15138
15139   if (draw_level)
15140   {
15141     int min_lx = 0, min_ly = 0;
15142     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15143
15144     // get positions inside level field
15145     lx = sx + level_xpos;
15146     ly = sy + level_ypos;
15147
15148     if (!IN_LEV_FIELD(lx, ly))
15149       inside_drawing_area = FALSE;
15150
15151     // make sure to stay inside level field boundaries
15152     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15153     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15154
15155     // correct drawing area positions accordingly
15156     sx = lx - level_xpos;
15157     sy = ly - level_ypos;
15158   }
15159
15160   // also correct MM wall-sized (double) drawing area positions accordingly
15161   if (sx2 / 2 < sx || sx2 / 2 > sx)
15162   {
15163     dx = (sx2 / 2 < sx ? 0 : 1);
15164     sx2 = sx * 2 + dx;
15165   }
15166   if (sy2 / 2 < sy || sy2 / 2 > sy)
15167   {
15168     dy = (sy2 / 2 < sy ? 0 : 1);
15169     sy2 = sy * 2 + dy;
15170   }
15171
15172   if (!button_press_event && !button_release_event)
15173   {
15174     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
15175     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
15176                              isHiresTileElement(old_element) &&
15177                              isHiresDrawElement(new_element));
15178
15179     // prevent handling events for every pixel position when moving mouse
15180     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
15181         (sx2 == last_sx2 && sy2 == last_sy2))
15182       return;
15183   }
15184
15185   last_sx = sx;
15186   last_sy = sy;
15187   last_sx2 = sx2;
15188   last_sy2 = sy2;
15189
15190   if (button_press_event)
15191     started_inside_drawing_area = inside_drawing_area;
15192
15193   if (!started_inside_drawing_area)
15194     return;
15195
15196   if (!IS_VALID_BUTTON(button))
15197     return;
15198
15199   // handle info callback for each invocation of action callback
15200   gi->callback_info(gi);
15201
15202   // automatically switch to 'single item' drawing mode, if needed
15203   actual_drawing_function =
15204     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
15205      drawing_function : GADGET_ID_SINGLE_ITEMS);
15206
15207   // clicking into drawing area with pressed Control key picks element
15208   if (GetKeyModState() & KMOD_Control)
15209   {
15210     last_drawing_function = drawing_function;
15211     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15212   }
15213
15214   if (GetKeyModState() & KMOD_Shift)
15215   {
15216     if (button_press_event || button_release_event)
15217       ResetIntelliDraw();
15218   }
15219
15220   SetDrawModeHiRes(-1);         // reset to normal draw mode
15221
15222   switch (actual_drawing_function)
15223   {
15224     case GADGET_ID_SINGLE_ITEMS:
15225       if (draw_level)
15226       {
15227         if (button_release_event)
15228         {
15229           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15230
15231           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
15232               !inside_drawing_area)
15233             DeleteBrushFromCursor();
15234
15235           break;
15236         }
15237
15238         if (draw_with_brush)
15239         {
15240           CopyBrushToLevel(sx, sy, button);
15241         }
15242         else
15243         {
15244           SetDrawModeHiRes(new_element);
15245
15246           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
15247           {
15248             // remove player at old position
15249             for (y = 0; y < lev_fieldy; y++)
15250             {
15251               for (x = 0; x < lev_fieldx; x++)
15252               {
15253                 int old_element = Tile[x][y];
15254
15255                 if (IS_PLAYER_ELEMENT(old_element) &&
15256                     IS_PLAYER_ELEMENT(new_element))
15257                 {
15258                   int replaced_with_element =
15259                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
15260                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
15261
15262                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
15263                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
15264
15265                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
15266                      old_element == EL_PLAYER_1 ? EL_EMPTY :
15267
15268                      new_element >= EL_PLAYER_1 &&
15269                      new_element <= EL_PLAYER_4 &&
15270                      new_element == old_element ? EL_EMPTY :
15271
15272                      old_element);
15273
15274                   SetElement(x, y, replaced_with_element);
15275                 }
15276                 else if (IS_MM_MCDUFFIN(old_element) &&
15277                          IS_MM_MCDUFFIN(new_element))
15278                 {
15279                   // remove McDuffin at old position
15280                   SetElement(x, y, EL_EMPTY);
15281                 }
15282               }
15283             }
15284           }
15285
15286           SetElementButton(lx, ly, dx, dy, new_element, button);
15287         }
15288       }
15289       else if (!button_release_event)
15290       {
15291         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15292
15293         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
15294           DrawMiniGraphicExt(drawto,
15295                              gi->x + sx * MINI_TILEX,
15296                              gi->y + sy * MINI_TILEY,
15297                              el2edimg(new_element));
15298         else
15299           DrawFixedGraphicExt(drawto,
15300                               gi->x + sx * TILEX,
15301                               gi->y + sy * TILEY,
15302                               el2edimg(new_element), 0);
15303
15304         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15305           new_element = GFX_ELEMENT(new_element);
15306
15307         drawingarea_info[type_id].value[pos] = new_element;
15308
15309         CopyElementPropertiesToGame(properties_element);
15310
15311         if (id == GADGET_ID_CUSTOM_GRAPHIC)
15312         {
15313           UpdateCustomElementGraphicGadgets();
15314
15315           FrameCounter = 0;     // restart animation frame counter
15316         }
15317       }
15318       break;
15319
15320     case GADGET_ID_CONNECTED_ITEMS:
15321       {
15322         static int last_sx = -1;
15323         static int last_sy = -1;
15324
15325         if (button_release_event)
15326           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15327
15328         SetDrawModeHiRes(new_element);
15329
15330         if (getDrawModeHiRes())
15331         {
15332           sx = sx2;
15333           sy = sy2;
15334         }
15335
15336         if (!button_press_event)
15337           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
15338
15339         last_sx = sx;
15340         last_sy = sy;
15341       }
15342       break;
15343
15344     case GADGET_ID_LINE:
15345     case GADGET_ID_ARC:
15346     case GADGET_ID_RECTANGLE:
15347     case GADGET_ID_FILLED_BOX:
15348       SetDrawModeHiRes(new_element);
15349
15350       if (getDrawModeHiRes())
15351       {
15352         sx = sx2;
15353         sy = sy2;
15354       }
15355       // FALLTHROUGH
15356     case GADGET_ID_GRAB_BRUSH:
15357     case GADGET_ID_TEXT:
15358       {
15359         static int last_sx = -1;
15360         static int last_sy = -1;
15361         static int start_sx = -1;
15362         static int start_sy = -1;
15363         void (*draw_func)(int, int, int, int, int, boolean);
15364
15365         if (drawing_function == GADGET_ID_LINE)
15366           draw_func = DrawLine;
15367         else if (drawing_function == GADGET_ID_ARC)
15368           draw_func = DrawArc;
15369         else if (drawing_function == GADGET_ID_RECTANGLE)
15370           draw_func = DrawBox;
15371         else if (drawing_function == GADGET_ID_FILLED_BOX)
15372           draw_func = DrawFilledBox;
15373         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
15374           draw_func = SelectArea;
15375         else // (drawing_function == GADGET_ID_TEXT)
15376           draw_func = SetTextCursor;
15377
15378         if (button_press_event)
15379         {
15380           draw_func(sx, sy, sx, sy, new_element, FALSE);
15381           start_sx = last_sx = sx;
15382           start_sy = last_sy = sy;
15383
15384           if (drawing_function == GADGET_ID_TEXT)
15385             DrawLevelText(0, 0, 0, TEXT_END);
15386         }
15387         else if (button_release_event)
15388         {
15389           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
15390           if (drawing_function == GADGET_ID_GRAB_BRUSH)
15391           {
15392             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
15393             CopyBrushToCursor(sx, sy);
15394             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15395                           MB_LEFTBUTTON);
15396             draw_with_brush = TRUE;
15397           }
15398           else if (drawing_function == GADGET_ID_TEXT)
15399             DrawLevelText(sx, sy, 0, TEXT_INIT);
15400           else
15401             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15402         }
15403         else if (last_sx != sx || last_sy != sy)
15404         {
15405           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
15406           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
15407             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
15408           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
15409           last_sx = sx;
15410           last_sy = sy;
15411         }
15412       }
15413       break;
15414
15415     case GADGET_ID_FLOOD_FILL:
15416       if (button_press_event && Tile[lx][ly] != new_element)
15417       {
15418         if (IS_MM_WALL_EDITOR(new_element))
15419           FloodFillWall_MM(sx2, sy2, new_element);
15420         else
15421           FloodFill(lx, ly, new_element);
15422
15423         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15424         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
15425       }
15426       break;
15427
15428     case GADGET_ID_PICK_ELEMENT:
15429       if (button_release_event)
15430         ClickOnGadget(level_editor_gadget[last_drawing_function],
15431                       MB_LEFTBUTTON);
15432       else if (draw_level)
15433         PickDrawingElement(button, Tile[lx][ly]);
15434       else
15435       {
15436         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15437
15438         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
15439       }
15440
15441     default:
15442       break;
15443   }
15444
15445   // do not mark level as modified for certain non-level-changing gadgets
15446   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
15447        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
15448       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
15449       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15450     return;
15451
15452   level.changed = TRUE;
15453 }
15454
15455 static void HandleCounterButtons(struct GadgetInfo *gi)
15456 {
15457   int gadget_id = gi->custom_id;
15458   int counter_id = gi->custom_type_id;
15459   int button = gi->event.button;
15460   int *counter_value = counterbutton_info[counter_id].value;
15461   int step = BUTTON_STEPSIZE(button) *
15462     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
15463
15464   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15465   {
15466     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
15467     boolean released = (gi->event.type == GD_EVENT_RELEASED);
15468     boolean level_changed = LevelChanged();
15469
15470     if ((level_changed && pressed) || (!level_changed && released))
15471       return;
15472
15473     if (level_changed && !Request("Level has changed! Discard changes?",
15474                                   REQ_ASK))
15475     {
15476       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15477         ModifyEditorCounterValue(counter_id, *counter_value);
15478
15479       return;
15480     }
15481   }
15482
15483   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
15484     *counter_value = gi->textinput.number_value;
15485   else
15486     ModifyEditorCounterValue(counter_id, *counter_value + step);
15487
15488   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
15489   {
15490     int last_game_engine_type = level.game_engine_type;
15491
15492     LoadLevel(level_nr);
15493     LoadScore(level_nr);
15494
15495     SaveLevelSetup_SeriesInfo();
15496
15497     TapeErase();
15498
15499     ResetUndoBuffer();
15500     DrawEditModeWindow();
15501
15502     if (level.game_engine_type != last_game_engine_type)
15503     {
15504       // update element selection list
15505       ReinitializeElementList();
15506       ModifyEditorElementList();
15507     }
15508
15509     return;
15510   }
15511
15512   switch (counter_id)
15513   {
15514     case ED_COUNTER_ID_YAMYAM_CONTENT:
15515       DrawYamYamContentAreas();
15516       break;
15517
15518     case ED_COUNTER_ID_BALL_CONTENT:
15519       DrawMagicBallContentAreas();
15520       break;
15521
15522     case ED_COUNTER_ID_ANDROID_CONTENT:
15523       DrawAndroidElementArea();
15524       break;
15525
15526     case ED_COUNTER_ID_GROUP_CONTENT:
15527       DrawGroupElementArea();
15528       CopyGroupElementPropertiesToGame(properties_element);
15529       break;
15530
15531     case ED_COUNTER_ID_INVENTORY_SIZE:
15532       DrawPlayerInitialInventoryArea(properties_element);
15533       break;
15534
15535     case ED_COUNTER_ID_MM_BALL_CONTENT:
15536       DrawMMBallContentArea();
15537       break;
15538
15539     case ED_COUNTER_ID_ENVELOPE_XSIZE:
15540     case ED_COUNTER_ID_ENVELOPE_YSIZE:
15541       DrawEnvelopeTextArea(-1);
15542       break;
15543
15544     case ED_COUNTER_ID_LEVEL_XSIZE:
15545     case ED_COUNTER_ID_LEVEL_YSIZE:
15546       lev_fieldx = level.fieldx;
15547       lev_fieldy = level.fieldy;
15548
15549       // check if resizing of level results in change of border border
15550       SetBorderElement();
15551
15552       break;
15553
15554     default:
15555       break;
15556   }
15557
15558   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
15559        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
15560       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
15561        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
15562     CopyElementPropertiesToGame(properties_element);
15563
15564   // do not mark level as modified for certain non-level-changing gadgets
15565   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
15566        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
15567       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
15568        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
15569     return;
15570
15571   level.changed = TRUE;
15572 }
15573
15574 static void HandleTextInputGadgets(struct GadgetInfo *gi)
15575 {
15576   int type_id = gi->custom_type_id;
15577
15578   strcpy(textinput_info[type_id].value, gi->textinput.value);
15579
15580   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
15581   {
15582     CopyElementPropertiesToGame(properties_element);
15583
15584     ModifyEditorElementList();  // update changed button info text
15585   }
15586
15587   // do not mark level as modified for certain non-level-changing gadgets
15588   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
15589       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
15590     return;
15591
15592   level.changed = TRUE;
15593 }
15594
15595 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
15596 {
15597   int type_id = gi->custom_type_id;
15598
15599   strncpy(textarea_info[type_id].value, gi->textarea.value,
15600           MAX_ENVELOPE_TEXT_LEN);
15601   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
15602
15603   level.changed = TRUE;
15604 }
15605
15606 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
15607 {
15608   int type_id = gi->custom_type_id;
15609   int value_old = *selectbox_info[type_id].value;
15610   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
15611
15612   *selectbox_info[type_id].value = value_new;
15613
15614   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
15615   {
15616     DrawLevelConfigWindow();
15617   }
15618   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15619   {
15620     element_info[properties_element].current_change_page = gi->selectbox.index;
15621
15622     DrawPropertiesWindow();
15623   }
15624   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
15625             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
15626            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
15627             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
15628            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
15629   {
15630     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
15631     {
15632       // when changing action type, also check action mode and action arg
15633       if (value_old != value_new)
15634         setSelectboxSpecialActionVariablesIfNeeded();
15635
15636       DrawPropertiesChange();
15637     }
15638
15639     CopyElementPropertiesToGame(properties_element);
15640   }
15641   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
15642   {
15643     // show or hide "engine" tabulator depending on game engine type
15644     DrawLevelConfigWindow();
15645
15646     // update element selection list depending on game engine type
15647     ReinitializeElementList();
15648     ModifyEditorElementList();
15649   }
15650   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
15651   {
15652     // update BD cycle delay counter gadgets depending on BD scheduling type
15653     DrawLevelConfigWindow();
15654   }
15655
15656   // do not mark level as modified for certain non-level-changing gadgets
15657   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
15658       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
15659     return;
15660
15661   level.changed = TRUE;
15662 }
15663
15664 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
15665 {
15666   int type_id = gi->custom_type_id;
15667   int i;
15668
15669   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
15670       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
15671   {
15672     edit_mode_levelconfig = gi->custom_type_id;
15673
15674     DrawLevelConfigWindow();
15675   }
15676   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
15677            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
15678   {
15679     edit_mode_properties = gi->custom_type_id;
15680
15681     DrawPropertiesWindow();
15682   }
15683   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
15684            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
15685   {
15686     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
15687
15688     // backup original "level.field" (needed to track playfield changes)
15689     CopyPlayfield(level.field, TileBackup);
15690
15691     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
15692     CopyPlayfield(Tile, level.field);
15693
15694     if (new_template ||
15695         Request("Save this template and kill the old?", REQ_ASK))
15696       SaveLevelTemplate();
15697
15698     if (new_template)
15699       Request("Template saved!", REQ_CONFIRM);
15700
15701     // restore original "level.field" (needed to track playfield changes)
15702     CopyPlayfield(TileBackup, level.field);
15703   }
15704   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
15705   {
15706     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
15707
15708     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
15709         leveldir_current->readonly)
15710     {
15711       Request("This level set is read-only!", REQ_CONFIRM);
15712
15713       return;
15714     }
15715
15716     if (strEqual(levelset_name, ""))
15717     {
15718       Request("Please enter level set title!", REQ_CONFIRM);
15719
15720       return;
15721     }
15722
15723     if (strEqual(levelset_author, ""))
15724     {
15725       Request("Please enter level set author!", REQ_CONFIRM);
15726
15727       return;
15728     }
15729
15730     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
15731     {
15732       if (UpdateUserLevelSet(levelset_subdir,
15733                              levelset_name,
15734                              levelset_author,
15735                              levelset_num_levels))
15736       {
15737         Request("Level set updated!", REQ_CONFIRM);
15738       }
15739       else
15740       {
15741         Request("Updating level set failed!", REQ_CONFIRM);
15742       }
15743     }
15744     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
15745     {
15746       if (level.changed && !Request("Level has changed! Discard changes?",
15747                                      REQ_ASK))
15748         return;
15749
15750       if (CreateUserLevelSet(levelset_subdir,
15751                              levelset_name,
15752                              levelset_author,
15753                              levelset_num_levels,
15754                              levelset_use_levelset_artwork))
15755       {
15756         if (levelset_copy_level_template)
15757           CopyLevelTemplateToUserLevelSet(levelset_subdir);
15758
15759         Request("New level set created!", REQ_CONFIRM);
15760
15761         AddUserLevelSetToLevelInfo(levelset_subdir);
15762         ChangeEditorToLevelSet(levelset_subdir);
15763       }
15764       else
15765       {
15766         Request("Creating new level set failed!", REQ_CONFIRM);
15767       }
15768     }
15769   }
15770   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
15771            custom_element.num_change_pages < MAX_CHANGE_PAGES)
15772   {
15773     struct ElementInfo *ei = &element_info[properties_element];
15774
15775     // when modifying custom element, ask for copying level template
15776     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15777       return;
15778
15779     setElementChangePages(ei, ei->num_change_pages + 1);
15780
15781     // set new change page to be new current change page
15782     ei->current_change_page = ei->num_change_pages - 1;
15783     ei->change = &ei->change_page[ei->current_change_page];
15784
15785     setElementChangeInfoToDefaults(ei->change);
15786
15787     DrawPropertiesWindow();
15788
15789     level.changed = TRUE;
15790   }
15791   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
15792            custom_element.num_change_pages > MIN_CHANGE_PAGES)
15793   {
15794     struct ElementInfo *ei = &element_info[properties_element];
15795
15796     // when modifying custom element, ask for copying level template
15797     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15798       return;
15799
15800     // copy all change pages after change page to be deleted
15801     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
15802       ei->change_page[i] = ei->change_page[i + 1];
15803
15804     setElementChangePages(ei, ei->num_change_pages - 1);
15805
15806     DrawPropertiesWindow();
15807
15808     level.changed = TRUE;
15809   }
15810 }
15811
15812 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
15813 {
15814   int type_id = gi->custom_type_id;
15815
15816   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
15817       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
15818   {
15819     struct ElementInfo *ei = &element_info[properties_element];
15820     int step = BUTTON_STEPSIZE(gi->event.button);
15821
15822     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
15823     ei->current_change_page += step;
15824
15825     if (ei->current_change_page < 0)
15826       ei->current_change_page = 0;
15827     else if (ei->current_change_page >= ei->num_change_pages)
15828       ei->current_change_page = ei->num_change_pages - 1;
15829
15830     DrawPropertiesWindow();
15831   }
15832   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
15833            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15834   {
15835     struct ElementInfo *ei = &element_info[properties_element];
15836     int current_change_page = ei->current_change_page;
15837
15838     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
15839     {
15840       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
15841         ei->change_page[current_change_page];
15842     }
15843     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
15844     {
15845       // when modifying custom element, ask for copying level template
15846       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
15847         return;
15848
15849       ei->change_page[current_change_page] =
15850         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
15851
15852       level.changed = TRUE;
15853     }
15854
15855     DrawPropertiesWindow();
15856   }
15857 }
15858
15859 static void HandleRadiobuttons(struct GadgetInfo *gi)
15860 {
15861   int type_id = gi->custom_type_id;
15862
15863   *radiobutton_info[type_id].value =
15864     radiobutton_info[type_id].checked_value;
15865
15866   // do not mark level as modified for certain non-level-changing gadgets
15867   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
15868       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
15869     return;
15870
15871   level.changed = TRUE;
15872 }
15873
15874 static void HandleCheckbuttons(struct GadgetInfo *gi)
15875 {
15876   int type_id = gi->custom_type_id;
15877
15878   *checkbutton_info[type_id].value ^= TRUE;
15879
15880   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
15881       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
15882       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
15883       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
15884          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
15885         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
15886          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
15887        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
15888   {
15889     CopyElementPropertiesToGame(properties_element);
15890   }
15891
15892   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
15893   {
15894     UpdateCustomElementGraphicGadgets();
15895   }
15896   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
15897            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
15898   {
15899     boolean template_related_changes_found = FALSE;
15900     int i;
15901
15902     // check if any custom, group or empty elements have been changed
15903     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
15904       if ((IS_CUSTOM_ELEMENT(i) ||
15905            IS_GROUP_ELEMENT(i) ||
15906            IS_EMPTY_ELEMENT(i)) &&
15907           element_info[i].modified_settings)
15908         template_related_changes_found = TRUE;
15909
15910     if (level.use_custom_template &&
15911         !fileExists(getGlobalLevelTemplateFilename()))
15912     {
15913       Request("No level template found!", REQ_CONFIRM);
15914
15915       level.use_custom_template = FALSE;
15916
15917       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15918
15919       return;
15920     }
15921
15922     if (level.use_custom_template &&
15923         template_related_changes_found &&
15924         !Request("Discard changes and use level template?", REQ_ASK))
15925     {
15926       level.use_custom_template = FALSE;
15927
15928       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
15929
15930       return;
15931     }
15932
15933     if (!level.use_custom_template &&
15934         Request("Copy settings from level template?", REQ_ASK))
15935     {
15936       return;
15937     }
15938
15939     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
15940
15941     DrawEditModeWindow();
15942   }
15943   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
15944   {
15945     if (setup.editor.use_template_for_new_levels &&
15946         !fileExists(getGlobalLevelTemplateFilename()))
15947     {
15948       Request("No level template found!", REQ_CONFIRM);
15949
15950       return;
15951     }
15952
15953     if (setup.editor.use_template_for_new_levels &&
15954         level.changed &&
15955         !Request("Discard level and load template?", REQ_ASK))
15956     {
15957       return;
15958     }
15959
15960     if (!setup.editor.use_template_for_new_levels &&
15961         level.changed &&
15962         !Request("Discard level and use empty level?", REQ_ASK))
15963     {
15964       return;
15965     }
15966
15967     LoadLevel(level_nr);
15968     LoadScore(level_nr);
15969
15970     TapeErase();
15971
15972     ResetUndoBuffer();
15973     DrawEditModeWindow();
15974   }
15975   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
15976   {
15977     SetAutomaticNumberOfGemsNeeded();
15978   }
15979
15980   // do not mark level as modified for certain non-level-changing gadgets
15981   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15982        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15983       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15984        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15985        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15986       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15987     return;
15988
15989   level.changed = TRUE;
15990 }
15991
15992 static void HandleControlButtons(struct GadgetInfo *gi)
15993 {
15994   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15995   static int last_edit_mode = ED_MODE_DRAWING;
15996   static int last_custom_copy_mode = -1;
15997   static int last_button = 0;
15998   int id = gi->custom_id;
15999   int button = gi->event.button;
16000   int step = BUTTON_STEPSIZE(button);
16001   int new_element = BUTTON_ELEMENT(button);
16002   int last_properties_element = properties_element;
16003   int x, y;
16004
16005   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
16006     DrawLevelText(0, 0, 0, TEXT_END);
16007
16008   if (id < ED_NUM_CTRL1_BUTTONS &&
16009       id != GADGET_ID_SINGLE_ITEMS &&
16010       id != GADGET_ID_PICK_ELEMENT &&
16011       edit_mode != ED_MODE_DRAWING &&
16012       drawing_function != GADGET_ID_PICK_ELEMENT &&
16013       !(GetKeyModState() & KMOD_Control))
16014     ChangeEditModeWindow(ED_MODE_DRAWING);
16015
16016   // element copy mode active, but no element button pressed => deactivate
16017   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
16018     last_custom_copy_mode = -1;
16019
16020   // when showing palette on element buttons, change element of button used
16021   if (editor.palette.show_on_element_buttons &&
16022       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
16023   {
16024     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
16025
16026     id = GADGET_ID_PALETTE;
16027   }
16028
16029   switch (id)
16030   {
16031     case GADGET_ID_SCROLL_LEFT:
16032       if (level_xpos >= 0)
16033       {
16034         if (lev_fieldx < ed_fieldx - 2)
16035           break;
16036
16037         level_xpos -= step;
16038         if (level_xpos < -1)
16039           level_xpos = -1;
16040         if (button == 1)
16041           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
16042         else
16043           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16044
16045         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16046                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16047       }
16048       break;
16049
16050     case GADGET_ID_SCROLL_RIGHT:
16051       if (level_xpos <= lev_fieldx - ed_fieldx)
16052       {
16053         if (lev_fieldx < ed_fieldx - 2)
16054           break;
16055
16056         level_xpos += step;
16057         if (level_xpos > lev_fieldx - ed_fieldx + 1)
16058           level_xpos = lev_fieldx - ed_fieldx + 1;
16059         if (button == 1)
16060           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
16061         else
16062           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16063
16064         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
16065                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
16066       }
16067       break;
16068
16069     case GADGET_ID_SCROLL_UP:
16070       if (level_ypos >= 0)
16071       {
16072         if (lev_fieldy < ed_fieldy - 2)
16073           break;
16074
16075         level_ypos -= step;
16076         if (level_ypos < -1)
16077           level_ypos = -1;
16078         if (button == 1)
16079           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
16080         else
16081           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16082
16083         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16084                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16085       }
16086       break;
16087
16088     case GADGET_ID_SCROLL_DOWN:
16089       if (level_ypos <= lev_fieldy - ed_fieldy)
16090       {
16091         if (lev_fieldy < ed_fieldy - 2)
16092           break;
16093
16094         level_ypos += step;
16095         if (level_ypos > lev_fieldy - ed_fieldy + 1)
16096           level_ypos = lev_fieldy - ed_fieldy + 1;
16097         if (button == 1)
16098           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
16099         else
16100           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16101
16102         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
16103                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
16104       }
16105       break;
16106
16107     case GADGET_ID_SCROLL_HORIZONTAL:
16108       level_xpos = gi->event.item_position - 1;
16109
16110       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16111       BackToFront();
16112
16113       break;
16114
16115     case GADGET_ID_SCROLL_VERTICAL:
16116       level_ypos = gi->event.item_position - 1;
16117
16118       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16119       BackToFront();
16120
16121       break;
16122
16123     case GADGET_ID_SCROLL_LIST_UP:
16124     case GADGET_ID_SCROLL_LIST_DOWN:
16125     case GADGET_ID_SCROLL_LIST_VERTICAL:
16126       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
16127         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
16128       else
16129       {
16130         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
16131         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16132
16133         if (element_shift < 0)
16134           element_shift = 0;
16135         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16136           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16137
16138         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16139                      GDI_SCROLLBAR_ITEM_POSITION,
16140                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16141       }
16142
16143       ModifyEditorElementList();
16144
16145       break;
16146
16147     case GADGET_ID_PROPERTIES:
16148       // always switch off element properties when they are already displayed
16149       last_properties_element = new_element;
16150     case GADGET_ID_ELEMENT_LEFT:
16151     case GADGET_ID_ELEMENT_MIDDLE:
16152     case GADGET_ID_ELEMENT_RIGHT:
16153       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
16154                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
16155                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
16156                             new_element);
16157
16158       if (edit_mode != ED_MODE_PROPERTIES)
16159       {
16160         last_edit_mode = edit_mode;
16161
16162         ChangeEditModeWindow(ED_MODE_PROPERTIES);
16163
16164         last_level_drawing_function = drawing_function;
16165         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
16166                       MB_LEFTBUTTON);
16167       }
16168       else if (properties_element != last_properties_element)
16169       {
16170         DrawEditModeWindow();
16171       }
16172       else
16173       {
16174         ChangeEditModeWindow(ED_MODE_DRAWING);
16175
16176         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
16177                       MB_LEFTBUTTON);
16178       }
16179       break;
16180
16181     case GADGET_ID_PALETTE:
16182       if (edit_mode != ED_MODE_PALETTE)
16183       {
16184         last_edit_mode = edit_mode;
16185
16186         ChangeEditModeWindow(ED_MODE_PALETTE);
16187       }
16188       else
16189       {
16190         ChangeEditModeWindow(last_edit_mode);
16191       }
16192       break;
16193
16194     case GADGET_ID_WRAP_LEFT:
16195       WrapLevel(-step, 0);
16196       break;
16197
16198     case GADGET_ID_WRAP_RIGHT:
16199       WrapLevel(step, 0);
16200       break;
16201
16202     case GADGET_ID_WRAP_UP:
16203       WrapLevel(0, -step);
16204       break;
16205
16206     case GADGET_ID_WRAP_DOWN:
16207       WrapLevel(0, step);
16208       break;
16209
16210     case GADGET_ID_SINGLE_ITEMS:
16211     case GADGET_ID_CONNECTED_ITEMS:
16212     case GADGET_ID_LINE:
16213     case GADGET_ID_ARC:
16214     case GADGET_ID_TEXT:
16215     case GADGET_ID_RECTANGLE:
16216     case GADGET_ID_FILLED_BOX:
16217     case GADGET_ID_FLOOD_FILL:
16218     case GADGET_ID_GRAB_BRUSH:
16219     case GADGET_ID_PICK_ELEMENT:
16220       if (drawing_function != GADGET_ID_PICK_ELEMENT)
16221         last_drawing_function = drawing_function;
16222       drawing_function = id;
16223       draw_with_brush = FALSE;
16224       break;
16225
16226     case GADGET_ID_RANDOM_PLACEMENT:
16227       RandomPlacement(new_element);
16228       break;
16229
16230     case GADGET_ID_ZOOM:
16231       // zoom level editor tile size in or out (or reset to default size)
16232       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
16233                      button == 2 ? ed_tilesize_default :
16234                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
16235
16236       // when using touch device, cycle through all zoom tilesizes
16237       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
16238         ed_tilesize = MICRO_TILESIZE;
16239
16240       // limit zoom level by upper and lower bound
16241       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
16242
16243       InitZoomLevelSettings(ed_tilesize);
16244
16245       if (edit_mode == ED_MODE_DRAWING)
16246       {
16247         DrawDrawingWindow();
16248
16249         // redraw zoom gadget info text
16250         PrintEditorGadgetInfoText(level_editor_gadget[id]);
16251       }
16252
16253       // save current editor zoom tilesize
16254       SaveSetup_AutoSetup();
16255
16256       break;
16257
16258     case GADGET_ID_CUSTOM_COPY_FROM:
16259     case GADGET_ID_CUSTOM_COPY_TO:
16260     case GADGET_ID_CUSTOM_EXCHANGE:
16261       last_custom_copy_mode = id;
16262       last_drawing_function = drawing_function;
16263       break;
16264
16265     case GADGET_ID_CUSTOM_COPY:
16266       CopyCustomElement(properties_element, -1, id);
16267       break;
16268
16269     case GADGET_ID_CUSTOM_PASTE:
16270       CopyCustomElement(-1, properties_element, id);
16271       break;
16272
16273     case GADGET_ID_UNDO:
16274       if (button < 0)   // keep button value (even if modifier keys are pressed)
16275         button = -button;
16276       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
16277         button = 3;
16278
16279       if (button == 1 && undo_buffer_steps == 0)
16280       {
16281         Request("Undo buffer empty!", REQ_CONFIRM);
16282
16283         break;
16284       }
16285       else if (button == 2)
16286       {
16287         break;
16288       }
16289       else if (button == 3 && redo_buffer_steps == 0)
16290       {
16291         Request("Redo buffer empty!", REQ_CONFIRM);
16292
16293         break;
16294       }
16295
16296       if (edit_mode != ED_MODE_DRAWING)
16297         ChangeEditModeWindow(ED_MODE_DRAWING);
16298
16299       if (button == 1)
16300       {
16301         // undo
16302
16303         undo_buffer_position =
16304           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
16305
16306         undo_buffer_steps--;
16307         redo_buffer_steps++;
16308       }
16309       else
16310       {
16311         // redo
16312
16313         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
16314
16315         undo_buffer_steps++;
16316         redo_buffer_steps--;
16317       }
16318
16319       for (x = 0; x < lev_fieldx; x++)
16320         for (y = 0; y < lev_fieldy; y++)
16321           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
16322
16323       // check if undo operation forces change of border style
16324       CheckLevelBorderElement(FALSE);
16325
16326       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16327
16328       break;
16329
16330     case GADGET_ID_CONF:
16331       if (edit_mode != ED_MODE_LEVELCONFIG)
16332       {
16333         last_edit_mode = edit_mode;
16334
16335         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
16336       }
16337       else
16338       {
16339         ChangeEditModeWindow(ED_MODE_DRAWING);
16340       }
16341       break;
16342
16343     case GADGET_ID_CLEAR:
16344       if (edit_mode != ED_MODE_DRAWING)
16345         ChangeEditModeWindow(ED_MODE_DRAWING);
16346
16347       for (x = 0; x < MAX_LEV_FIELDX; x++)
16348         for (y = 0; y < MAX_LEV_FIELDY; y++)
16349           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
16350
16351       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
16352
16353       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
16354       break;
16355
16356     case GADGET_ID_SAVE:
16357     {
16358       // saving read-only levels into personal level set modifies global vars
16359       // "leveldir_current" and "level_nr"; restore them after saving level
16360       LevelDirTree *leveldir_former = leveldir_current;
16361       int level_nr_former = level_nr;
16362       char *level_filename;
16363       boolean new_level;
16364
16365       if (leveldir_current->readonly &&
16366           !PrepareSavingIntoPersonalLevelSet())
16367         break;
16368
16369       level_filename = getDefaultLevelFilename(level_nr);
16370       new_level = !fileExists(level_filename);
16371
16372       if (new_level ||
16373           Request("Save this level and kill the old?", REQ_ASK))
16374       {
16375         if (leveldir_former->readonly)
16376           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
16377
16378         SetAutomaticNumberOfGemsNeeded();
16379
16380         CopyPlayfield(Tile, level.field);
16381         SaveLevel(level_nr);
16382
16383         level.changed = FALSE;
16384
16385         if (new_level)
16386         {
16387           char level_saved_msg[64];
16388
16389           if (leveldir_former->readonly)
16390             sprintf(level_saved_msg,
16391                     "Level saved as level %d into personal level set!",
16392                     level_nr);
16393           else
16394             strcpy(level_saved_msg, "Level saved!");
16395
16396           Request(level_saved_msg, REQ_CONFIRM);
16397         }
16398       }
16399
16400       // "cd" back to copied-from levelset (in case of saved read-only level)
16401       leveldir_current = leveldir_former;
16402       level_nr = level_nr_former;
16403
16404       break;
16405     }
16406
16407     case GADGET_ID_TEST:
16408       if (LevelChanged())
16409         level.game_version = GAME_VERSION_ACTUAL;
16410
16411       CopyPlayfield(level.field, TileBackup);
16412       CopyPlayfield(Tile, level.field);
16413
16414       CopyNativeLevel_RND_to_Native(&level);
16415
16416       UnmapLevelEditorGadgets();
16417       UndrawSpecialEditorDoor();
16418
16419       CloseDoor(DOOR_CLOSE_ALL);
16420
16421       // needed before playing if editor playfield area has different size
16422       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
16423
16424       // redraw_mask = REDRAW_ALL;
16425
16426       level_editor_test_game = TRUE;
16427
16428       StartGameActions(FALSE, setup.autorecord, level.random_seed);
16429
16430       break;
16431
16432     case GADGET_ID_EXIT:
16433       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
16434       break;
16435
16436     default:
16437       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
16438           id <= GADGET_ID_ELEMENTLIST_LAST)
16439       {
16440         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
16441
16442         new_element = editor_elements[element_position + element_shift];
16443
16444         if (IS_EDITOR_CASCADE(new_element))
16445         {
16446           int i;
16447
16448           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
16449           {
16450             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
16451             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
16452
16453             if (*cascade_element == new_element)
16454             {
16455               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
16456               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
16457
16458               // update element selection list
16459               ReinitializeElementList();
16460               ModifyEditorElementList();
16461
16462               // update cascading gadget info text
16463               PrintEditorGadgetInfoText(level_editor_gadget[id]);
16464
16465               // save current editor cascading state
16466               SaveSetup_EditorCascade();
16467
16468               break;
16469             }
16470           }
16471
16472           break;
16473         }
16474
16475         if (last_custom_copy_mode != -1)
16476         {
16477           if (CopyCustomElement(properties_element, new_element,
16478                                 last_custom_copy_mode))
16479           {
16480             ClickOnGadget(level_editor_gadget[last_drawing_function],
16481                           MB_LEFTBUTTON);
16482
16483             last_custom_copy_mode = -1;
16484           }
16485
16486           break;
16487         }
16488
16489         // change element of button used to show palette
16490         if (editor.palette.show_on_element_buttons)
16491           button = last_button;
16492
16493         PickDrawingElement(button, new_element);
16494
16495         if (!stick_element_properties_window &&
16496             drawing_function != GADGET_ID_PICK_ELEMENT &&
16497             !(GetKeyModState() & KMOD_Control))
16498         {
16499           properties_element = new_element;
16500           if (edit_mode == ED_MODE_PROPERTIES)
16501             DrawPropertiesWindow();
16502         }
16503
16504         if (drawing_function == GADGET_ID_PICK_ELEMENT)
16505           ClickOnGadget(level_editor_gadget[last_drawing_function],
16506                         MB_LEFTBUTTON);
16507
16508         if (!use_permanent_palette)
16509           ChangeEditModeWindow(last_edit_mode);
16510       }
16511 #ifdef DEBUG
16512       else if (gi->event.type == GD_EVENT_PRESSED)
16513         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
16514       else if (gi->event.type == GD_EVENT_RELEASED)
16515         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
16516       else if (gi->event.type == GD_EVENT_MOVING)
16517         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
16518       else
16519         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
16520 #endif
16521       break;
16522   }
16523 }
16524
16525 void HandleLevelEditorKeyInput(Key key)
16526 {
16527   char letter = getCharFromKey(key);
16528
16529   if (drawing_function == GADGET_ID_TEXT &&
16530       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
16531   {
16532     if (letter)
16533       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
16534     else if (key == KSYM_Delete || key == KSYM_BackSpace)
16535       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
16536     else if (key == KSYM_Return)
16537       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
16538     else if (key == KSYM_Escape)
16539       DrawLevelText(0, 0, 0, TEXT_END);
16540
16541     return;
16542   }
16543
16544   int id = GADGET_ID_NONE;
16545   int new_element_shift = element_shift;
16546   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
16547   int button = MB_LEFTBUTTON;
16548   int i;
16549
16550   switch (key)
16551   {
16552     case KSYM_Left:
16553       id = GADGET_ID_SCROLL_LEFT;
16554       break;
16555     case KSYM_Right:
16556       id = GADGET_ID_SCROLL_RIGHT;
16557       break;
16558     case KSYM_Up:
16559       id = GADGET_ID_SCROLL_UP;
16560       break;
16561     case KSYM_Down:
16562       id = GADGET_ID_SCROLL_DOWN;
16563       break;
16564
16565     case KSYM_Page_Up:
16566     case KSYM_Page_Down:
16567       step *= (key == KSYM_Page_Up ? -1 : +1);
16568       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
16569
16570       if (element_shift < 0)
16571         element_shift = 0;
16572       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16573         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16574
16575       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16576                    GDI_SCROLLBAR_ITEM_POSITION,
16577                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16578
16579       ModifyEditorElementList();
16580
16581       break;
16582
16583     case KSYM_Home:
16584     case KSYM_End:
16585       element_shift = (key == KSYM_Home ? 0 :
16586                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
16587
16588       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16589                    GDI_SCROLLBAR_ITEM_POSITION,
16590                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16591
16592       ModifyEditorElementList();
16593
16594       break;
16595
16596     case KSYM_Insert:
16597     case KSYM_Delete:
16598
16599       // this is needed to prevent interference with running "True X-Mouse"
16600       if (GetKeyModStateFromEvents() & KMOD_Control)
16601         break;
16602
16603       // check for last or next editor cascade block in element list
16604       for (i = 0; i < num_editor_elements; i++)
16605       {
16606         if ((key == KSYM_Insert && i == element_shift) ||
16607             (key == KSYM_Delete && new_element_shift > element_shift))
16608           break;
16609
16610         // jump to next cascade block (or to start of element list)
16611         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
16612           new_element_shift = i;
16613       }
16614
16615       if (i < num_editor_elements)
16616         element_shift = new_element_shift;
16617
16618       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
16619         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
16620
16621       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
16622                    GDI_SCROLLBAR_ITEM_POSITION,
16623                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
16624
16625       ModifyEditorElementList();
16626
16627       break;
16628
16629     case KSYM_Escape:
16630       if (edit_mode == ED_MODE_DRAWING)
16631         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
16632       else if (edit_mode == ED_MODE_LEVELCONFIG)
16633         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
16634       else if (edit_mode == ED_MODE_PROPERTIES)
16635         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
16636       else if (edit_mode == ED_MODE_PALETTE)
16637         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
16638       else              // should never happen
16639         ChangeEditModeWindow(ED_MODE_DRAWING);
16640
16641       break;
16642
16643     default:
16644       break;
16645   }
16646
16647   if (id != GADGET_ID_NONE)
16648     ClickOnGadget(level_editor_gadget[id], button);
16649   else if (letter == '1' || letter == '?')
16650     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
16651   else if (letter == '2')
16652     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
16653   else if (letter == '3')
16654     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
16655   else if (letter == '.')
16656     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
16657   else if (letter == 'U')
16658     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
16659   else if (letter == '-' || key == KSYM_KP_Subtract)
16660     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
16661   else if (letter == '0' || key == KSYM_KP_0)
16662     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
16663   else if (letter == '+' || key == KSYM_KP_Add ||
16664            letter == '=')       // ("Shift-=" is "+" on US keyboards)
16665     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
16666   else if (key == KSYM_Return ||
16667            key == KSYM_space ||
16668            key == setup.shortcut.toggle_pause)
16669     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
16670   else
16671     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
16672       if (letter && letter == controlbutton_info[i].shortcut)
16673         if (!anyTextGadgetActive())
16674           ClickOnGadget(level_editor_gadget[i], button);
16675
16676   if (draw_with_brush)
16677   {
16678     if (letter == 'x')
16679       FlipBrushX();
16680     else if (letter == 'y')
16681       FlipBrushY();
16682     else if (letter == 'z')
16683       RotateBrush();
16684   }
16685 }
16686
16687 static void HandleLevelEditorIdle_Properties(void)
16688 {
16689   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
16690   int x = editor.settings.element_graphic.x + element_border;
16691   int y = editor.settings.element_graphic.y + element_border;
16692   static DelayCounter action_delay = { 0 };
16693   int i;
16694
16695   action_delay.value = GameFrameDelay;
16696
16697   if (!DelayReached(&action_delay))
16698     return;
16699
16700   for (i = 0; i < ED_NUM_SELECTBOX; i++)
16701   {
16702     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
16703
16704     if (gi->mapped && gi->active && gi->selectbox.open)
16705       return;
16706   }
16707
16708   DrawEditorElementAnimation(SX + x, SY + y);
16709
16710   redraw_mask |= REDRAW_FIELD;
16711
16712   FrameCounter++;       // increase animation frame counter
16713 }
16714
16715 static void HandleLevelEditorIdle_Drawing(void)
16716 {
16717   static boolean last_highlighted = FALSE;
16718   static boolean last_highlighted_similar = FALSE;
16719   boolean highlighted = (GetKeyModState() & KMOD_Alt);
16720   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
16721
16722   if (highlighted != last_highlighted ||
16723       (highlighted && highlighted_similar != last_highlighted_similar))
16724   {
16725     DrawAreaElementHighlight(highlighted, highlighted_similar);
16726
16727     redraw_mask |= REDRAW_FIELD;
16728   }
16729
16730   last_highlighted = highlighted;
16731   last_highlighted_similar = highlighted_similar;
16732 }
16733
16734 void HandleLevelEditorIdle(void)
16735 {
16736   if (edit_mode == ED_MODE_PROPERTIES)
16737     HandleLevelEditorIdle_Properties();
16738   else if (edit_mode == ED_MODE_DRAWING)
16739     HandleLevelEditorIdle_Drawing();
16740 }
16741
16742 static void ClearEditorGadgetInfoText(void)
16743 {
16744   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
16745 }
16746
16747 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
16748 {
16749   char infotext[MAX_OUTPUT_LINESIZE + 1];
16750   int max_infotext_len = getMaxInfoTextLength();
16751
16752   if (gi == NULL || strlen(gi->info_text) == 0)
16753     return;
16754
16755   strncpy(infotext, gi->info_text, max_infotext_len);
16756   infotext[max_infotext_len] = '\0';
16757
16758   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
16759   {
16760     int key = controlbutton_info[gi->custom_id].shortcut;
16761
16762     if (key)
16763     {
16764       char shortcut[MAX_OUTPUT_LINESIZE + 1];
16765
16766       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
16767         sprintf(shortcut, " ('.' or '%c')", key);
16768       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
16769         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
16770       else if (gi->custom_id == GADGET_ID_TEST)
16771         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
16772       else if (gi->custom_id == GADGET_ID_UNDO)
16773         sprintf(shortcut, " ('%c/Shift-U')", key);
16774       else if (gi->custom_id == GADGET_ID_ZOOM)
16775         sprintf(shortcut, " ('%c', '0', '-')", key);
16776       else
16777         sprintf(shortcut, " ('%s%c')",
16778                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
16779
16780       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
16781         strcat(infotext, shortcut);
16782     }
16783   }
16784
16785   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
16786 }
16787
16788 void HandleEditorGadgetInfoText(void *ptr)
16789 {
16790   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
16791
16792   if (game_status != GAME_MODE_EDITOR)
16793     return;
16794
16795   ClearEditorGadgetInfoText();
16796
16797   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
16798     return;
16799
16800   // misuse this function to delete brush cursor, if needed
16801   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
16802     DeleteBrushFromCursor();
16803
16804   PrintEditorGadgetInfoText(gi);
16805 }
16806
16807 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
16808 {
16809   int id = gi->custom_id;
16810   int type_id = gi->custom_type_id;
16811   int sx = gi->event.x;
16812   int sy = gi->event.y;
16813   int lx = sx + level_xpos;
16814   int ly = sy + level_ypos;
16815   int min_sx = 0, min_sy = 0;
16816   int max_sx = gi->drawing.area_xsize - 1;
16817   int max_sy = gi->drawing.area_ysize - 1;
16818   int actual_drawing_function = drawing_function;
16819   int max_infotext_len = getMaxInfoTextLength();
16820   char infotext[MAX_OUTPUT_LINESIZE + 1];
16821
16822   infotext[0] = '\0';           // start with empty info text
16823
16824   // pressed Control key: simulate picking element
16825   if (GetKeyModState() & KMOD_Control)
16826     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
16827
16828   ClearEditorGadgetInfoText();
16829
16830   if (gi->event.type == GD_EVENT_INFO_LEAVING)
16831     return;
16832
16833   // make sure to stay inside drawing area boundaries
16834   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
16835   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
16836
16837   if (id == GADGET_ID_DRAWING_LEVEL)
16838   {
16839     if (button_status)
16840     {
16841       int min_lx = 0, min_ly = 0;
16842       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
16843
16844       // get positions inside level field
16845       lx = sx + level_xpos;
16846       ly = sy + level_ypos;
16847
16848       // make sure to stay inside level field boundaries
16849       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
16850       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
16851
16852       // correct drawing area positions accordingly
16853       sx = lx - level_xpos;
16854       sy = ly - level_ypos;
16855     }
16856
16857     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16858     {
16859       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
16860       {
16861         static int start_lx = 0;
16862         static int start_ly = 0;
16863         char *text;
16864
16865         if (gi->event.type == GD_EVENT_PRESSED)
16866         {
16867           start_lx = lx;
16868           start_ly = ly;
16869         }
16870
16871         switch (actual_drawing_function)
16872         {
16873           case GADGET_ID_SINGLE_ITEMS:
16874             text = "Drawing single items";
16875             break;
16876           case GADGET_ID_CONNECTED_ITEMS:
16877             text = "Drawing connected items";
16878             break;
16879           case GADGET_ID_LINE:
16880             text = "Drawing line";
16881             break;
16882           case GADGET_ID_ARC:
16883             text = "Drawing arc";
16884             break;
16885           case GADGET_ID_TEXT:
16886             text = "Setting text cursor";
16887             break;
16888           case GADGET_ID_RECTANGLE:
16889             text = "Drawing rectangle";
16890             break;
16891           case GADGET_ID_FILLED_BOX:
16892             text = "Drawing filled box";
16893             break;
16894           case GADGET_ID_FLOOD_FILL:
16895             text = "Flood fill";
16896             break;
16897           case GADGET_ID_GRAB_BRUSH:
16898             text = "Grabbing brush";
16899             break;
16900           case GADGET_ID_PICK_ELEMENT:
16901             text = "Picking element";
16902             break;
16903
16904           default:
16905             text = "Drawing position";
16906             break;
16907         }
16908
16909         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16910           sprintf(infotext, "%s: %d, %d", text, lx, ly);
16911         else
16912           sprintf(infotext, "%s: %d, %d", text,
16913                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
16914       }
16915       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16916         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
16917       else
16918         sprintf(infotext, "Level position: %d, %d", lx, ly);
16919     }
16920
16921     // misuse this function to draw brush cursor, if needed
16922     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
16923     {
16924       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
16925         CopyBrushToCursor(sx, sy);
16926       else
16927         DeleteBrushFromCursor();
16928     }
16929
16930     if (!draw_with_brush)
16931       UpdateBrushPosition(sx, sy);
16932   }
16933   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
16934   {
16935     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
16936     int element = drawingarea_info[type_id].value[pos];
16937
16938     strncpy(infotext, getElementInfoText(element), max_infotext_len);
16939   }
16940   else
16941   {
16942     if (id == GADGET_ID_CUSTOM_CONTENT)
16943       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
16944     else if (id == GADGET_ID_GROUP_CONTENT)
16945       sprintf(infotext, "group element position: %d", sx + 1);
16946     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
16947              id <= GADGET_ID_YAMYAM_CONTENT_7)
16948       sprintf(infotext, "content area %d position: %d, %d",
16949               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
16950     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
16951              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
16952       sprintf(infotext, "content area %d position: %d, %d",
16953               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
16954     else if (id == GADGET_ID_ANDROID_CONTENT)
16955       sprintf(infotext, "android element position: %d", sx + 1);
16956     else if (drawingarea_info[type_id].infotext != NULL)
16957       strcpy(infotext, drawingarea_info[type_id].infotext);
16958   }
16959
16960   infotext[max_infotext_len] = '\0';
16961
16962   if (strlen(infotext) > 0)
16963     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
16964 }
16965
16966 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
16967                             boolean quick_quit)
16968 {
16969   if (!ask_if_level_has_changed ||
16970       !LevelChanged() ||
16971       Request("Level has changed! Exit without saving?",
16972               REQ_ASK | REQ_STAY_OPEN))
16973   {
16974     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
16975     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
16976
16977     // draw normal door
16978     UndrawSpecialEditorDoor();
16979
16980     // use door animation if door 1 viewport is unchanged and contains toolbox
16981     if (useEditorDoorAnimation())
16982       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16983
16984     // close editor doors if viewport definition is the same as in main menu
16985     if (vp_door_1->x      == DX     &&
16986         vp_door_1->y      == DY     &&
16987         vp_door_1->width  == DXSIZE &&
16988         vp_door_1->height == DYSIZE &&
16989         vp_door_2->x      == VX     &&
16990         vp_door_2->y      == VY     &&
16991         vp_door_2->width  == VXSIZE &&
16992         vp_door_2->height == VYSIZE)
16993       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16994     else
16995       SetDoorState(DOOR_CLOSE_ALL);
16996
16997     BackToFront();
16998
16999     if (quick_quit)
17000       FadeSkipNextFadeIn();
17001
17002     SetGameStatus(GAME_MODE_MAIN);
17003
17004     DrawMainMenu();
17005   }
17006   else
17007   {
17008     if (!global.use_envelope_request)
17009     {
17010       CloseDoor(DOOR_CLOSE_1);
17011       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
17012     }
17013   }
17014 }