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_ELEMENT_VALUE1_DOWN,
 445   GADGET_ID_ELEMENT_VALUE1_TEXT,
 446   GADGET_ID_ELEMENT_VALUE1_UP,
 447   GADGET_ID_ELEMENT_VALUE2_DOWN,
 448   GADGET_ID_ELEMENT_VALUE2_TEXT,
 449   GADGET_ID_ELEMENT_VALUE2_UP,
 450   GADGET_ID_ELEMENT_VALUE3_DOWN,
 451   GADGET_ID_ELEMENT_VALUE3_TEXT,
 452   GADGET_ID_ELEMENT_VALUE3_UP,
 453   GADGET_ID_ELEMENT_VALUE4_DOWN,
 454   GADGET_ID_ELEMENT_VALUE4_TEXT,
 455   GADGET_ID_ELEMENT_VALUE4_UP,
 456   GADGET_ID_YAMYAM_CONTENT_DOWN,
 457   GADGET_ID_YAMYAM_CONTENT_TEXT,
 458   GADGET_ID_YAMYAM_CONTENT_UP,
 459   GADGET_ID_BALL_CONTENT_DOWN,
 460   GADGET_ID_BALL_CONTENT_TEXT,
 461   GADGET_ID_BALL_CONTENT_UP,
 462   GADGET_ID_ANDROID_CONTENT_DOWN,
 463   GADGET_ID_ANDROID_CONTENT_TEXT,
 464   GADGET_ID_ANDROID_CONTENT_UP,
 465   GADGET_ID_ENVELOPE_XSIZE_DOWN,
 466   GADGET_ID_ENVELOPE_XSIZE_TEXT,
 467   GADGET_ID_ENVELOPE_XSIZE_UP,
 468   GADGET_ID_ENVELOPE_YSIZE_DOWN,
 469   GADGET_ID_ENVELOPE_YSIZE_TEXT,
 470   GADGET_ID_ENVELOPE_YSIZE_UP,
 471   GADGET_ID_INVENTORY_SIZE_DOWN,
 472   GADGET_ID_INVENTORY_SIZE_TEXT,
 473   GADGET_ID_INVENTORY_SIZE_UP,
 474   GADGET_ID_MM_BALL_CONTENT_DOWN,
 475   GADGET_ID_MM_BALL_CONTENT_TEXT,
 476   GADGET_ID_MM_BALL_CONTENT_UP,
 477   GADGET_ID_CUSTOM_SCORE_DOWN,
 478   GADGET_ID_CUSTOM_SCORE_TEXT,
 479   GADGET_ID_CUSTOM_SCORE_UP,
 480   GADGET_ID_CUSTOM_GEMCOUNT_DOWN,
 481   GADGET_ID_CUSTOM_GEMCOUNT_TEXT,
 482   GADGET_ID_CUSTOM_GEMCOUNT_UP,
 483   GADGET_ID_CUSTOM_VALUE_FIX_DOWN,
 484   GADGET_ID_CUSTOM_VALUE_FIX_TEXT,
 485   GADGET_ID_CUSTOM_VALUE_FIX_UP,
 486   GADGET_ID_CUSTOM_VALUE_RND_DOWN,
 487   GADGET_ID_CUSTOM_VALUE_RND_TEXT,
 488   GADGET_ID_CUSTOM_VALUE_RND_UP,
 489   GADGET_ID_PUSH_DELAY_FIX_DOWN,
 490   GADGET_ID_PUSH_DELAY_FIX_TEXT,
 491   GADGET_ID_PUSH_DELAY_FIX_UP,
 492   GADGET_ID_PUSH_DELAY_RND_DOWN,
 493   GADGET_ID_PUSH_DELAY_RND_TEXT,
 494   GADGET_ID_PUSH_DELAY_RND_UP,
 495   GADGET_ID_DROP_DELAY_FIX_DOWN,
 496   GADGET_ID_DROP_DELAY_FIX_TEXT,
 497   GADGET_ID_DROP_DELAY_FIX_UP,
 498   GADGET_ID_DROP_DELAY_RND_DOWN,
 499   GADGET_ID_DROP_DELAY_RND_TEXT,
 500   GADGET_ID_DROP_DELAY_RND_UP,
 501   GADGET_ID_MOVE_DELAY_FIX_DOWN,
 502   GADGET_ID_MOVE_DELAY_FIX_TEXT,
 503   GADGET_ID_MOVE_DELAY_FIX_UP,
 504   GADGET_ID_MOVE_DELAY_RND_DOWN,
 505   GADGET_ID_MOVE_DELAY_RND_TEXT,
 506   GADGET_ID_MOVE_DELAY_RND_UP,
 507   GADGET_ID_STEP_DELAY_FIX_DOWN,
 508   GADGET_ID_STEP_DELAY_FIX_TEXT,
 509   GADGET_ID_STEP_DELAY_FIX_UP,
 510   GADGET_ID_STEP_DELAY_RND_DOWN,
 511   GADGET_ID_STEP_DELAY_RND_TEXT,
 512   GADGET_ID_STEP_DELAY_RND_UP,
 513   GADGET_ID_EXPLOSION_DELAY_DOWN,
 514   GADGET_ID_EXPLOSION_DELAY_TEXT,
 515   GADGET_ID_EXPLOSION_DELAY_UP,
 516   GADGET_ID_IGNITION_DELAY_DOWN,
 517   GADGET_ID_IGNITION_DELAY_TEXT,
 518   GADGET_ID_IGNITION_DELAY_UP,
 519   GADGET_ID_CHANGE_DELAY_FIX_DOWN,
 520   GADGET_ID_CHANGE_DELAY_FIX_TEXT,
 521   GADGET_ID_CHANGE_DELAY_FIX_UP,
 522   GADGET_ID_CHANGE_DELAY_RND_DOWN,
 523   GADGET_ID_CHANGE_DELAY_RND_TEXT,
 524   GADGET_ID_CHANGE_DELAY_RND_UP,
 525   GADGET_ID_CHANGE_CONT_RND_DOWN,
 526   GADGET_ID_CHANGE_CONT_RND_TEXT,
 527   GADGET_ID_CHANGE_CONT_RND_UP,
 528   GADGET_ID_GROUP_CONTENT_DOWN,
 529   GADGET_ID_GROUP_CONTENT_TEXT,
 530   GADGET_ID_GROUP_CONTENT_UP,
 531
 532   // drawing area identifiers
 533
 534   GADGET_ID_DRAWING_LEVEL,
 535   GADGET_ID_YAMYAM_CONTENT_0,
 536   GADGET_ID_YAMYAM_CONTENT_1,
 537   GADGET_ID_YAMYAM_CONTENT_2,
 538   GADGET_ID_YAMYAM_CONTENT_3,
 539   GADGET_ID_YAMYAM_CONTENT_4,
 540   GADGET_ID_YAMYAM_CONTENT_5,
 541   GADGET_ID_YAMYAM_CONTENT_6,
 542   GADGET_ID_YAMYAM_CONTENT_7,
 543   GADGET_ID_MAGIC_BALL_CONTENT_0,
 544   GADGET_ID_MAGIC_BALL_CONTENT_1,
 545   GADGET_ID_MAGIC_BALL_CONTENT_2,
 546   GADGET_ID_MAGIC_BALL_CONTENT_3,
 547   GADGET_ID_MAGIC_BALL_CONTENT_4,
 548   GADGET_ID_MAGIC_BALL_CONTENT_5,
 549   GADGET_ID_MAGIC_BALL_CONTENT_6,
 550   GADGET_ID_MAGIC_BALL_CONTENT_7,
 551   GADGET_ID_ANDROID_CONTENT,
 552   GADGET_ID_AMOEBA_CONTENT,
 553   GADGET_ID_START_ELEMENT,
 554   GADGET_ID_ARTWORK_ELEMENT,
 555   GADGET_ID_EXPLOSION_ELEMENT,
 556   GADGET_ID_INVENTORY_CONTENT,
 557   GADGET_ID_MM_BALL_CONTENT,
 558   GADGET_ID_CUSTOM_GRAPHIC,
 559   GADGET_ID_CUSTOM_CONTENT,
 560   GADGET_ID_CUSTOM_MOVE_ENTER,
 561   GADGET_ID_CUSTOM_MOVE_LEAVE,
 562   GADGET_ID_CUSTOM_CHANGE_TARGET,
 563   GADGET_ID_CUSTOM_CHANGE_CONTENT,
 564   GADGET_ID_CUSTOM_CHANGE_TRIGGER,
 565   GADGET_ID_CUSTOM_CHANGE_ACTION,
 566   GADGET_ID_GROUP_CONTENT,
 567   GADGET_ID_RANDOM_BACKGROUND,
 568
 569   // text input identifiers
 570
 571   GADGET_ID_LEVEL_NAME,
 572   GADGET_ID_LEVEL_AUTHOR,
 573   GADGET_ID_LEVELSET_NAME,
 574   GADGET_ID_LEVELSET_AUTHOR,
 575   GADGET_ID_ELEMENT_NAME,
 576
 577   // text area identifiers
 578
 579   GADGET_ID_ENVELOPE_INFO,
 580
 581   // selectbox identifiers
 582
 583   GADGET_ID_TIME_OR_STEPS,
 584   GADGET_ID_TIME_SCORE_BASE,
 585   GADGET_ID_GAME_ENGINE_TYPE,
 586   GADGET_ID_BD_SCHEDULING_TYPE,
 587   GADGET_ID_LEVELSET_SAVE_MODE,
 588   GADGET_ID_WIND_DIRECTION,
 589   GADGET_ID_PLAYER_SPEED,
 590   GADGET_ID_MM_BALL_CHOICE_MODE,
 591   GADGET_ID_CUSTOM_WALK_TO_ACTION,
 592   GADGET_ID_CUSTOM_EXPLOSION_TYPE,
 593   GADGET_ID_CUSTOM_DEADLINESS,
 594   GADGET_ID_CUSTOM_MOVE_PATTERN,
 595   GADGET_ID_CUSTOM_MOVE_DIRECTION,
 596   GADGET_ID_CUSTOM_MOVE_STEPSIZE,
 597   GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
 598   GADGET_ID_CUSTOM_SMASH_TARGETS,
 599   GADGET_ID_CUSTOM_SLIPPERY_TYPE,
 600   GADGET_ID_CUSTOM_ACCESS_TYPE,
 601   GADGET_ID_CUSTOM_ACCESS_LAYER,
 602   GADGET_ID_CUSTOM_ACCESS_PROTECTED,
 603   GADGET_ID_CUSTOM_ACCESS_DIRECTION,
 604   GADGET_ID_CHANGE_TIME_UNITS,
 605   GADGET_ID_CHANGE_DIRECT_ACTION,
 606   GADGET_ID_CHANGE_OTHER_ACTION,
 607   GADGET_ID_CHANGE_SIDE,
 608   GADGET_ID_CHANGE_PLAYER,
 609   GADGET_ID_CHANGE_PAGE,
 610   GADGET_ID_CHANGE_REPLACE_WHEN,
 611   GADGET_ID_ACTION_TYPE,
 612   GADGET_ID_ACTION_MODE,
 613   GADGET_ID_ACTION_ARG,
 614   GADGET_ID_SELECT_CHANGE_PAGE,
 615   GADGET_ID_GROUP_CHOICE_MODE,
 616
 617   // textbutton identifiers
 618
 619   GADGET_ID_LEVELCONFIG_LEVEL,
 620   GADGET_ID_LEVELCONFIG_LEVELSET,
 621   GADGET_ID_LEVELCONFIG_EDITOR,
 622   GADGET_ID_LEVELCONFIG_ENGINE,
 623   GADGET_ID_PROPERTIES_INFO,
 624   GADGET_ID_PROPERTIES_CONFIG,
 625   GADGET_ID_PROPERTIES_CONFIG_1,
 626   GADGET_ID_PROPERTIES_CONFIG_2,
 627   GADGET_ID_PROPERTIES_CHANGE,
 628   GADGET_ID_SAVE_AS_TEMPLATE_1,
 629   GADGET_ID_SAVE_AS_TEMPLATE_2,
 630   GADGET_ID_SAVE_LEVELSET,
 631   GADGET_ID_ADD_CHANGE_PAGE,
 632   GADGET_ID_DEL_CHANGE_PAGE,
 633
 634   // graphicbutton identifiers
 635
 636   GADGET_ID_PREV_CHANGE_PAGE,
 637   GADGET_ID_NEXT_CHANGE_PAGE,
 638   GADGET_ID_COPY_CHANGE_PAGE,
 639   GADGET_ID_PASTE_CHANGE_PAGE,
 640
 641   // gadgets for scrolling of drawing area
 642
 643   GADGET_ID_SCROLL_UP,
 644   GADGET_ID_SCROLL_DOWN,
 645   GADGET_ID_SCROLL_LEFT,
 646   GADGET_ID_SCROLL_RIGHT,
 647   GADGET_ID_SCROLL_HORIZONTAL,
 648   GADGET_ID_SCROLL_VERTICAL,
 649
 650   // gadgets for scrolling element list
 651
 652   GADGET_ID_SCROLL_LIST_UP,
 653   GADGET_ID_SCROLL_LIST_DOWN,
 654   GADGET_ID_SCROLL_LIST_VERTICAL,
 655
 656   // checkbuttons/radiobuttons for level/element properties
 657
 658   GADGET_ID_AUTO_COUNT_GEMS,
 659   GADGET_ID_RATE_TIME_OVER_SCORE,
 660   GADGET_ID_USE_LEVELSET_ARTWORK,
 661   GADGET_ID_COPY_LEVEL_TEMPLATE,
 662   GADGET_ID_RANDOM_PERCENTAGE,
 663   GADGET_ID_RANDOM_QUANTITY,
 664   GADGET_ID_RANDOM_RESTRICTED,
 665   GADGET_ID_BD_INTERMISSION,
 666   GADGET_ID_BD_PAL_TIMING,
 667   GADGET_ID_BD_LINE_SHIFTING_BORDERS,
 668   GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW,
 669   GADGET_ID_BD_SHORT_EXPLOSIONS,
 670   GADGET_ID_BD_GRAVITY_AFFECTS_ALL,
 671   GADGET_ID_STICK_ELEMENT,
 672   GADGET_ID_EM_SLIPPERY_GEMS,
 673   GADGET_ID_EM_EXPLODES_BY_FIRE,
 674   GADGET_ID_USE_SPRING_BUG,
 675   GADGET_ID_USE_TIME_ORB_BUG,
 676   GADGET_ID_USE_LIFE_BUGS,
 677   GADGET_ID_RANDOM_BALL_CONTENT,
 678   GADGET_ID_INITIAL_BALL_ACTIVE,
 679   GADGET_ID_GROW_INTO_DIGGABLE,
 680   GADGET_ID_SB_FIELDS_NEEDED,
 681   GADGET_ID_SB_OBJECTS_NEEDED,
 682   GADGET_ID_AUTO_EXIT_SOKOBAN,
 683   GADGET_ID_SOLVED_BY_ONE_PLAYER,
 684   GADGET_ID_FINISH_DIG_COLLECT,
 685   GADGET_ID_KEEP_WALKABLE_CE,
 686   GADGET_ID_CONTINUOUS_SNAPPING,
 687   GADGET_ID_BLOCK_SNAP_FIELD,
 688   GADGET_ID_BLOCK_LAST_FIELD,
 689   GADGET_ID_SP_BLOCK_LAST_FIELD,
 690   GADGET_ID_INSTANT_RELOCATION,
 691   GADGET_ID_SHIFTED_RELOCATION,
 692   GADGET_ID_LAZY_RELOCATION,
 693   GADGET_ID_USE_START_ELEMENT,
 694   GADGET_ID_USE_ARTWORK_ELEMENT,
 695   GADGET_ID_USE_EXPLOSION_ELEMENT,
 696   GADGET_ID_INITIAL_GRAVITY,
 697   GADGET_ID_USE_INITIAL_INVENTORY,
 698   GADGET_ID_CAN_PASS_TO_WALKABLE,
 699   GADGET_ID_CAN_FALL_INTO_ACID,
 700   GADGET_ID_CAN_MOVE_INTO_ACID,
 701   GADGET_ID_DONT_COLLIDE_WITH,
 702   GADGET_ID_BD_DIAGONAL_MOVEMENTS,
 703   GADGET_ID_ENVELOPE_AUTOWRAP,
 704   GADGET_ID_ENVELOPE_CENTERED,
 705   GADGET_ID_MM_LASER_RED,
 706   GADGET_ID_MM_LASER_GREEN,
 707   GADGET_ID_MM_LASER_BLUE,
 708   GADGET_ID_DF_LASER_RED,
 709   GADGET_ID_DF_LASER_GREEN,
 710   GADGET_ID_DF_LASER_BLUE,
 711   GADGET_ID_ROTATE_MM_BALL_CONTENT,
 712   GADGET_ID_EXPLODE_MM_BALL,
 713   GADGET_ID_CUSTOM_INDESTRUCTIBLE,
 714   GADGET_ID_CUSTOM_CAN_EXPLODE,
 715   GADGET_ID_CUSTOM_EXPLODE_FIRE,
 716   GADGET_ID_CUSTOM_EXPLODE_SMASH,
 717   GADGET_ID_CUSTOM_EXPLODE_IMPACT,
 718   GADGET_ID_CUSTOM_WALK_TO_OBJECT,
 719   GADGET_ID_CUSTOM_DEADLY,
 720   GADGET_ID_CUSTOM_CAN_MOVE,
 721   GADGET_ID_CUSTOM_CAN_FALL,
 722   GADGET_ID_CUSTOM_CAN_SMASH,
 723   GADGET_ID_CUSTOM_SLIPPERY,
 724   GADGET_ID_CUSTOM_ACCESSIBLE,
 725   GADGET_ID_CUSTOM_GRAV_REACHABLE,
 726   GADGET_ID_CUSTOM_USE_LAST_VALUE,
 727   GADGET_ID_CUSTOM_USE_GRAPHIC,
 728   GADGET_ID_CUSTOM_USE_TEMPLATE_1,
 729   GADGET_ID_CUSTOM_USE_TEMPLATE_2,
 730   GADGET_ID_CUSTOM_USE_TEMPLATE_3,
 731   GADGET_ID_CUSTOM_CAN_CHANGE,
 732   GADGET_ID_CHANGE_USE_CONTENT,
 733   GADGET_ID_CHANGE_USE_EXPLOSION,
 734   GADGET_ID_CHANGE_ONLY_COMPLETE,
 735   GADGET_ID_CHANGE_USE_RANDOM,
 736   GADGET_ID_CHANGE_HAS_ACTION,
 737   GADGET_ID_CHANGE_DELAY,
 738   GADGET_ID_CHANGE_BY_DIRECT_ACT,
 739   GADGET_ID_CHANGE_BY_OTHER_ACT,
 740
 741   NUM_STATIC_GADGET_IDS
 742 };
 743
 744 // gadgets for buttons in element list (dynamic)
 745 #define GADGET_ID_ELEMENTLIST_FIRST     (NUM_STATIC_GADGET_IDS)
 746 #define GADGET_ID_ELEMENTLIST_LAST      (GADGET_ID_ELEMENTLIST_FIRST +  \
 747                                         ED_NUM_ELEMENTLIST_BUTTONS - 1)
 748
 749 #define NUM_EDITOR_GADGETS              (GADGET_ID_ELEMENTLIST_LAST + 1)
 750
 751 // radio button numbers
 752 enum
 753 {
 754   RADIO_NR_NONE,
 755   RADIO_NR_DRAWING_TOOLBOX,
 756   RADIO_NR_RANDOM_ELEMENTS
 757 };
 758
 759 // values for counter gadgets
 760 enum
 761 {
 762   ED_COUNTER_ID_SELECT_LEVEL,
 763   ED_COUNTER_ID_LEVEL_XSIZE,
 764   ED_COUNTER_ID_LEVEL_YSIZE,
 765   ED_COUNTER_ID_LEVEL_GEMSLIMIT,
 766   ED_COUNTER_ID_LEVEL_TIMELIMIT,
 767   ED_COUNTER_ID_LEVEL_TIMESCORE,
 768   ED_COUNTER_ID_LEVEL_RANDOM_SEED,
 769   ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
 770   ED_COUNTER_ID_LEVEL_RANDOM,
 771   ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
 772   ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
 773   ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
 774   ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
 775   ED_COUNTER_ID_ELEMENT_VALUE1,
 776   ED_COUNTER_ID_ELEMENT_VALUE2,
 777   ED_COUNTER_ID_ELEMENT_VALUE3,
 778   ED_COUNTER_ID_ELEMENT_VALUE4,
 779   ED_COUNTER_ID_YAMYAM_CONTENT,
 780   ED_COUNTER_ID_BALL_CONTENT,
 781   ED_COUNTER_ID_ANDROID_CONTENT,
 782   ED_COUNTER_ID_ENVELOPE_XSIZE,
 783   ED_COUNTER_ID_ENVELOPE_YSIZE,
 784   ED_COUNTER_ID_INVENTORY_SIZE,
 785   ED_COUNTER_ID_MM_BALL_CONTENT,
 786   ED_COUNTER_ID_CUSTOM_SCORE,
 787   ED_COUNTER_ID_CUSTOM_GEMCOUNT,
 788   ED_COUNTER_ID_CUSTOM_VALUE_FIX,
 789   ED_COUNTER_ID_CUSTOM_VALUE_RND,
 790   ED_COUNTER_ID_PUSH_DELAY_FIX,
 791   ED_COUNTER_ID_PUSH_DELAY_RND,
 792   ED_COUNTER_ID_DROP_DELAY_FIX,
 793   ED_COUNTER_ID_DROP_DELAY_RND,
 794   ED_COUNTER_ID_MOVE_DELAY_FIX,
 795   ED_COUNTER_ID_MOVE_DELAY_RND,
 796   ED_COUNTER_ID_STEP_DELAY_FIX,
 797   ED_COUNTER_ID_STEP_DELAY_RND,
 798   ED_COUNTER_ID_EXPLOSION_DELAY,
 799   ED_COUNTER_ID_IGNITION_DELAY,
 800   ED_COUNTER_ID_GROUP_CONTENT,
 801   ED_COUNTER_ID_CHANGE_DELAY_FIX,
 802   ED_COUNTER_ID_CHANGE_DELAY_RND,
 803   ED_COUNTER_ID_CHANGE_CONT_RND,
 804
 805   ED_NUM_COUNTERBUTTONS
 806 };
 807
 808 #define ED_COUNTER_ID_LEVEL_FIRST       ED_COUNTER_ID_LEVEL_XSIZE
 809 #define ED_COUNTER_ID_LEVEL_LAST        ED_COUNTER_ID_LEVEL_RANDOM_SEED
 810 #define ED_COUNTER_ID_LEVELSET_FIRST    ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 811 #define ED_COUNTER_ID_LEVELSET_LAST     ED_COUNTER_ID_LEVELSET_NUM_LEVELS
 812 #define ED_COUNTER_ID_EDITOR_FIRST      ED_COUNTER_ID_LEVEL_RANDOM
 813 #define ED_COUNTER_ID_EDITOR_LAST       ED_COUNTER_ID_LEVEL_RANDOM
 814
 815 #define ED_COUNTER_ID_CUSTOM1_FIRST     ED_COUNTER_ID_CUSTOM_SCORE
 816 #define ED_COUNTER_ID_CUSTOM1_LAST      ED_COUNTER_ID_DROP_DELAY_RND
 817 #define ED_COUNTER_ID_CUSTOM2_FIRST     ED_COUNTER_ID_MOVE_DELAY_FIX
 818 #define ED_COUNTER_ID_CUSTOM2_LAST      ED_COUNTER_ID_IGNITION_DELAY
 819 #define ED_COUNTER_ID_CUSTOM_FIRST      ED_COUNTER_ID_CUSTOM1_FIRST
 820 #define ED_COUNTER_ID_CUSTOM_LAST       ED_COUNTER_ID_CUSTOM2_LAST
 821
 822 #define ED_COUNTER_ID_CHANGE_FIRST      ED_COUNTER_ID_CHANGE_DELAY_FIX
 823 #define ED_COUNTER_ID_CHANGE_LAST       ED_COUNTER_ID_CHANGE_CONT_RND
 824
 825 // values for scrollbutton gadgets
 826 enum
 827 {
 828   ED_SCROLLBUTTON_ID_AREA_UP,
 829   ED_SCROLLBUTTON_ID_AREA_DOWN,
 830   ED_SCROLLBUTTON_ID_AREA_LEFT,
 831   ED_SCROLLBUTTON_ID_AREA_RIGHT,
 832   ED_SCROLLBUTTON_ID_LIST_UP,
 833   ED_SCROLLBUTTON_ID_LIST_DOWN,
 834
 835   ED_NUM_SCROLLBUTTONS
 836 };
 837
 838 #define ED_SCROLLBUTTON_ID_AREA_FIRST   ED_SCROLLBUTTON_ID_AREA_UP
 839 #define ED_SCROLLBUTTON_ID_AREA_LAST    ED_SCROLLBUTTON_ID_AREA_RIGHT
 840
 841 // values for scrollbar gadgets
 842 enum
 843 {
 844   ED_SCROLLBAR_ID_AREA_HORIZONTAL,
 845   ED_SCROLLBAR_ID_AREA_VERTICAL,
 846   ED_SCROLLBAR_ID_LIST_VERTICAL,
 847
 848   ED_NUM_SCROLLBARS
 849 };
 850
 851 #define ED_SCROLLBAR_ID_AREA_FIRST      ED_SCROLLBAR_ID_AREA_HORIZONTAL
 852 #define ED_SCROLLBAR_ID_AREA_LAST       ED_SCROLLBAR_ID_AREA_VERTICAL
 853
 854 // values for text input gadgets
 855 enum
 856 {
 857   ED_TEXTINPUT_ID_LEVEL_NAME,
 858   ED_TEXTINPUT_ID_LEVEL_AUTHOR,
 859   ED_TEXTINPUT_ID_LEVELSET_NAME,
 860   ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
 861   ED_TEXTINPUT_ID_ELEMENT_NAME,
 862
 863   ED_NUM_TEXTINPUT
 864 };
 865
 866 #define ED_TEXTINPUT_ID_LEVEL_FIRST     ED_TEXTINPUT_ID_LEVEL_NAME
 867 #define ED_TEXTINPUT_ID_LEVEL_LAST      ED_TEXTINPUT_ID_LEVEL_AUTHOR
 868
 869 #define ED_TEXTINPUT_ID_LEVELSET_FIRST  ED_TEXTINPUT_ID_LEVELSET_NAME
 870 #define ED_TEXTINPUT_ID_LEVELSET_LAST   ED_TEXTINPUT_ID_LEVELSET_AUTHOR
 871
 872 // values for text area gadgets
 873 enum
 874 {
 875   ED_TEXTAREA_ID_ENVELOPE_INFO,
 876
 877   ED_NUM_TEXTAREAS
 878 };
 879
 880 #define ED_TEXTAREA_ID_LEVEL_FIRST      ED_TEXTAREA_ID_ENVELOPE
 881 #define ED_TEXTAREA_ID_LEVEL_LAST       ED_TEXTAREA_ID_ENVELOPE
 882
 883 // values for selectbox gadgets
 884 enum
 885 {
 886   ED_SELECTBOX_ID_TIME_OR_STEPS,
 887   ED_SELECTBOX_ID_TIME_SCORE_BASE,
 888   ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
 889   ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
 890   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
 891   ED_SELECTBOX_ID_WIND_DIRECTION,
 892   ED_SELECTBOX_ID_PLAYER_SPEED,
 893   ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
 894   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
 895   ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
 896   ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
 897   ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
 898   ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
 899   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
 900   ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
 901   ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
 902   ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
 903   ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
 904   ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
 905   ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
 906   ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
 907   ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
 908   ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
 909   ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
 910   ED_SELECTBOX_ID_CHANGE_SIDE,
 911   ED_SELECTBOX_ID_CHANGE_PLAYER,
 912   ED_SELECTBOX_ID_CHANGE_PAGE,
 913   ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
 914   ED_SELECTBOX_ID_ACTION_TYPE,
 915   ED_SELECTBOX_ID_ACTION_MODE,
 916   ED_SELECTBOX_ID_ACTION_ARG,
 917   ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
 918   ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
 919
 920   ED_NUM_SELECTBOX
 921 };
 922
 923 #define ED_SELECTBOX_ID_LEVEL_FIRST     ED_SELECTBOX_ID_TIME_OR_STEPS
 924 #define ED_SELECTBOX_ID_LEVEL_LAST      ED_SELECTBOX_ID_GAME_ENGINE_TYPE
 925
 926 #define ED_SELECTBOX_ID_LEVELSET_FIRST  ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 927 #define ED_SELECTBOX_ID_LEVELSET_LAST   ED_SELECTBOX_ID_LEVELSET_SAVE_MODE
 928
 929 #define ED_SELECTBOX_ID_ENGINE_FIRST    ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 930 #define ED_SELECTBOX_ID_ENGINE_LAST     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE
 931
 932 #define ED_SELECTBOX_ID_CUSTOM1_FIRST   ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE
 933 #define ED_SELECTBOX_ID_CUSTOM1_LAST    ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION
 934 #define ED_SELECTBOX_ID_CUSTOM2_FIRST   ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN
 935 #define ED_SELECTBOX_ID_CUSTOM2_LAST    ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE
 936 #define ED_SELECTBOX_ID_CUSTOM_FIRST    ED_SELECTBOX_ID_CUSTOM1_FIRST
 937 #define ED_SELECTBOX_ID_CUSTOM_LAST     ED_SELECTBOX_ID_CUSTOM2_LAST
 938
 939 #define ED_SELECTBOX_ID_CHANGE_FIRST    ED_SELECTBOX_ID_CHANGE_TIME_UNITS
 940 #define ED_SELECTBOX_ID_CHANGE_LAST     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE
 941
 942 // values for textbutton gadgets
 943 enum
 944 {
 945   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
 946   ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
 947   ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
 948   ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
 949   ED_TEXTBUTTON_ID_PROPERTIES_INFO,
 950   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
 951   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
 952   ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
 953   ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
 954   ED_TEXTBUTTON_ID_SAVE_LEVELSET,
 955   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
 956   ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
 957   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
 958   ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
 959
 960   ED_NUM_TEXTBUTTONS
 961 };
 962
 963 #define ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
 964 #define ED_TAB_BUTTON_ID_LEVELCONFIG_LAST  ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
 965
 966 #define ED_TAB_BUTTON_ID_PROPERTIES_FIRST ED_TEXTBUTTON_ID_PROPERTIES_INFO
 967 #define ED_TAB_BUTTON_ID_PROPERTIES_LAST  ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
 968
 969 #define ED_TEXTBUTTON_ID_CHANGE_FIRST   ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE
 970 #define ED_TEXTBUTTON_ID_CHANGE_LAST    ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE
 971
 972 // values for graphicbutton gadgets
 973 enum
 974 {
 975   ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
 976   ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
 977   ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
 978   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
 979
 980   ED_NUM_GRAPHICBUTTONS
 981 };
 982
 983 #define ED_GRAPHICBUTTON_ID_CHANGE_FIRST  ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE
 984 #define ED_GRAPHICBUTTON_ID_CHANGE_LAST   ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE
 985
 986 // values for checkbutton gadgets
 987 enum
 988 {
 989   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
 990   ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
 991   ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
 992   ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
 993   ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
 994   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
 995   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
 996   ED_CHECKBUTTON_ID_BD_INTERMISSION,
 997   ED_CHECKBUTTON_ID_BD_PAL_TIMING,
 998   ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
 999   ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
1000   ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
1001   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
1002   ED_CHECKBUTTON_ID_STICK_ELEMENT,
1003   ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
1004   ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
1005   ED_CHECKBUTTON_ID_USE_SPRING_BUG,
1006   ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
1007   ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
1008   ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
1009   ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
1010   ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
1011   ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
1012   ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
1013   ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
1014   ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
1015   ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
1016   ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
1017   ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
1018   ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
1019   ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
1020   ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
1021   ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
1022   ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
1023   ED_CHECKBUTTON_ID_LAZY_RELOCATION,
1024   ED_CHECKBUTTON_ID_USE_START_ELEMENT,
1025   ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
1026   ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
1027   ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
1028   ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
1029   ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
1030   ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
1031   ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
1032   ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
1033   ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
1034   ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
1035   ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
1036   ED_CHECKBUTTON_ID_MM_LASER_RED,
1037   ED_CHECKBUTTON_ID_MM_LASER_GREEN,
1038   ED_CHECKBUTTON_ID_MM_LASER_BLUE,
1039   ED_CHECKBUTTON_ID_DF_LASER_RED,
1040   ED_CHECKBUTTON_ID_DF_LASER_GREEN,
1041   ED_CHECKBUTTON_ID_DF_LASER_BLUE,
1042   ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
1043   ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
1044   ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
1045   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
1046   ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
1047   ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
1048   ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
1049   ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
1050   ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
1051   ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
1052   ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
1053   ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
1054   ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
1055   ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
1056   ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
1057   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
1058   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
1059   ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
1060   ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
1061   ED_CHECKBUTTON_ID_CHANGE_DELAY,
1062   ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
1063   ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
1064   ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
1065   ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
1066   ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
1067   ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
1068   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
1069
1070   ED_NUM_CHECKBUTTONS
1071 };
1072
1073 #define ED_CHECKBUTTON_ID_LEVEL_FIRST   ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS
1074 #define ED_CHECKBUTTON_ID_LEVEL_LAST    ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE
1075
1076 #define ED_CHECKBUTTON_ID_LEVELSET_FIRST ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK
1077 #define ED_CHECKBUTTON_ID_LEVELSET_LAST  ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE
1078
1079 #define ED_CHECKBUTTON_ID_EDITOR_FIRST  ED_CHECKBUTTON_ID_RANDOM_RESTRICTED
1080 #define ED_CHECKBUTTON_ID_EDITOR_LAST   ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2
1081
1082 #define ED_CHECKBUTTON_ID_ENGINE_FIRST  ED_CHECKBUTTON_ID_BD_INTERMISSION
1083 #define ED_CHECKBUTTON_ID_ENGINE_LAST   ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL
1084
1085 #define ED_CHECKBUTTON_ID_CUSTOM1_FIRST ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC
1086 #define ED_CHECKBUTTON_ID_CUSTOM1_LAST  ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE
1087 #define ED_CHECKBUTTON_ID_CUSTOM2_FIRST ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE
1088 #define ED_CHECKBUTTON_ID_CUSTOM2_LAST  ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT
1089 #define ED_CHECKBUTTON_ID_CUSTOM_FIRST  ED_CHECKBUTTON_ID_CUSTOM1_FIRST
1090 #define ED_CHECKBUTTON_ID_CUSTOM_LAST   ED_CHECKBUTTON_ID_CUSTOM2_LAST
1091
1092 #define ED_CHECKBUTTON_ID_CHANGE_FIRST  ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE
1093 #define ED_CHECKBUTTON_ID_CHANGE_LAST   ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION
1094
1095 // values for radiobutton gadgets
1096 enum
1097 {
1098   ED_RADIOBUTTON_ID_PERCENTAGE,
1099   ED_RADIOBUTTON_ID_QUANTITY,
1100
1101   ED_NUM_RADIOBUTTONS
1102 };
1103
1104 #define ED_RADIOBUTTON_ID_EDITOR_FIRST  ED_RADIOBUTTON_ID_PERCENTAGE
1105 #define ED_RADIOBUTTON_ID_EDITOR_LAST   ED_RADIOBUTTON_ID_QUANTITY
1106
1107 // values for drawing area gadgets
1108 enum
1109 {
1110   ED_DRAWING_ID_DRAWING_LEVEL,
1111   ED_DRAWING_ID_YAMYAM_CONTENT_0,
1112   ED_DRAWING_ID_YAMYAM_CONTENT_1,
1113   ED_DRAWING_ID_YAMYAM_CONTENT_2,
1114   ED_DRAWING_ID_YAMYAM_CONTENT_3,
1115   ED_DRAWING_ID_YAMYAM_CONTENT_4,
1116   ED_DRAWING_ID_YAMYAM_CONTENT_5,
1117   ED_DRAWING_ID_YAMYAM_CONTENT_6,
1118   ED_DRAWING_ID_YAMYAM_CONTENT_7,
1119   ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
1120   ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
1121   ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
1122   ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
1123   ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
1124   ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
1125   ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
1126   ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
1127   ED_DRAWING_ID_ANDROID_CONTENT,
1128   ED_DRAWING_ID_AMOEBA_CONTENT,
1129   ED_DRAWING_ID_START_ELEMENT,
1130   ED_DRAWING_ID_ARTWORK_ELEMENT,
1131   ED_DRAWING_ID_EXPLOSION_ELEMENT,
1132   ED_DRAWING_ID_INVENTORY_CONTENT,
1133   ED_DRAWING_ID_MM_BALL_CONTENT,
1134   ED_DRAWING_ID_CUSTOM_GRAPHIC,
1135   ED_DRAWING_ID_CUSTOM_CONTENT,
1136   ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
1137   ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
1138   ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
1139   ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
1140   ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
1141   ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
1142   ED_DRAWING_ID_GROUP_CONTENT,
1143   ED_DRAWING_ID_RANDOM_BACKGROUND,
1144
1145   ED_NUM_DRAWING_AREAS
1146 };
1147
1148 #define ED_DRAWING_ID_EDITOR_FIRST      ED_DRAWING_ID_RANDOM_BACKGROUND
1149 #define ED_DRAWING_ID_EDITOR_LAST       ED_DRAWING_ID_RANDOM_BACKGROUND
1150
1151
1152 // ----------------------------------------------------------------------------
1153 // some internally used definitions
1154 // ----------------------------------------------------------------------------
1155
1156 // values for CopyLevelToUndoBuffer()
1157 #define UNDO_IMMEDIATE                  0
1158 #define UNDO_ACCUMULATE                 1
1159
1160 // values for scrollbars
1161 #define ED_SCROLL_NO                    0
1162 #define ED_SCROLL_LEFT                  1
1163 #define ED_SCROLL_RIGHT                 2
1164 #define ED_SCROLL_UP                    4
1165 #define ED_SCROLL_DOWN                  8
1166
1167 // screens in the level editor
1168 #define ED_MODE_DRAWING                 0
1169 #define ED_MODE_LEVELCONFIG             1
1170 #define ED_MODE_PROPERTIES              2
1171 #define ED_MODE_PALETTE                 3
1172
1173 // sub-screens in the global settings section
1174 #define ED_MODE_LEVELCONFIG_LEVEL       ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL
1175 #define ED_MODE_LEVELCONFIG_LEVELSET    ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET
1176 #define ED_MODE_LEVELCONFIG_EDITOR      ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR
1177 #define ED_MODE_LEVELCONFIG_ENGINE      ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE
1178
1179 // sub-screens in the element properties section
1180 #define ED_MODE_PROPERTIES_INFO         ED_TEXTBUTTON_ID_PROPERTIES_INFO
1181 #define ED_MODE_PROPERTIES_CONFIG       ED_TEXTBUTTON_ID_PROPERTIES_CONFIG
1182 #define ED_MODE_PROPERTIES_CONFIG_1     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1
1183 #define ED_MODE_PROPERTIES_CONFIG_2     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2
1184 #define ED_MODE_PROPERTIES_CHANGE       ED_TEXTBUTTON_ID_PROPERTIES_CHANGE
1185
1186 // how many steps can be cancelled
1187 #define NUM_UNDO_STEPS                  (64 + 1)
1188
1189 // values for elements with score for certain actions
1190 #define MIN_SCORE                       0
1191 #define MAX_SCORE                       999
1192
1193 // values for elements with count for collecting
1194 #define MIN_COLLECT_COUNT               0
1195 #define MAX_COLLECT_COUNT               999
1196
1197 // values for random placement
1198 #define RANDOM_USE_PERCENTAGE           0
1199 #define RANDOM_USE_QUANTITY             1
1200
1201 // values for level set save mode
1202 #define LEVELSET_SAVE_MODE_UPDATE       0
1203 #define LEVELSET_SAVE_MODE_CREATE       1
1204
1205 // default value for element tile size in drawing area
1206 #define DEFAULT_EDITOR_TILESIZE         MINI_TILESIZE
1207 #define DEFAULT_EDITOR_TILESIZE_MM      TILESIZE
1208
1209
1210 // ----------------------------------------------------------------------------
1211 // some internally used data structure definitions
1212 // ----------------------------------------------------------------------------
1213
1214 static struct
1215 {
1216   int graphic;
1217   int gadget_id;
1218   struct XYTileSize *pos;
1219   int gadget_type;
1220   char *infotext;
1221   char shortcut;
1222 } controlbutton_info[ED_NUM_CTRL_BUTTONS] =
1223 {
1224   // note: some additional characters are already reserved for "cheat mode"
1225   // shortcuts (":XYZ" style) -- for details, see "events.c"
1226
1227   // ---------- toolbox control buttons ---------------------------------------
1228
1229   {
1230     IMG_GFX_EDITOR_BUTTON_DRAW_SINGLE,          GADGET_ID_SINGLE_ITEMS,
1231     &editor.button.draw_single,                 GD_TYPE_RADIO_BUTTON,
1232     "draw single items",                        's'
1233   },
1234   {
1235     IMG_GFX_EDITOR_BUTTON_DRAW_CONNECTED,       GADGET_ID_CONNECTED_ITEMS,
1236     &editor.button.draw_connected,              GD_TYPE_RADIO_BUTTON,
1237     "draw connected items",                     'd'
1238   },
1239   {
1240     IMG_GFX_EDITOR_BUTTON_DRAW_LINE,            GADGET_ID_LINE,
1241     &editor.button.draw_line,                   GD_TYPE_RADIO_BUTTON,
1242     "draw lines",                               'l'
1243   },
1244   {
1245     IMG_GFX_EDITOR_BUTTON_DRAW_ARC,             GADGET_ID_ARC,
1246     &editor.button.draw_arc,                    GD_TYPE_RADIO_BUTTON,
1247     "draw arcs",                                'a'
1248   },
1249   {
1250     IMG_GFX_EDITOR_BUTTON_DRAW_RECTANGLE,       GADGET_ID_RECTANGLE,
1251     &editor.button.draw_rectangle,              GD_TYPE_RADIO_BUTTON,
1252     "draw outline rectangles",                  'r'
1253   },
1254   {
1255     IMG_GFX_EDITOR_BUTTON_DRAW_FILLED_BOX,      GADGET_ID_FILLED_BOX,
1256     &editor.button.draw_filled_box,             GD_TYPE_RADIO_BUTTON,
1257     "draw filled rectangles",                   'R'
1258   },
1259   {
1260     IMG_GFX_EDITOR_BUTTON_ROTATE_UP,            GADGET_ID_WRAP_UP,
1261     &editor.button.rotate_up,                   GD_TYPE_NORMAL_BUTTON,
1262     "wrap (rotate) level up",                   0
1263   },
1264   {
1265     IMG_GFX_EDITOR_BUTTON_DRAW_TEXT,            GADGET_ID_TEXT,
1266     &editor.button.draw_text,                   GD_TYPE_RADIO_BUTTON,
1267     "enter text elements",                      't'
1268   },
1269   {
1270     IMG_GFX_EDITOR_BUTTON_FLOOD_FILL,           GADGET_ID_FLOOD_FILL,
1271     &editor.button.flood_fill,                  GD_TYPE_RADIO_BUTTON,
1272     "flood fill",                               'f'
1273   },
1274   {
1275     IMG_GFX_EDITOR_BUTTON_ROTATE_LEFT,          GADGET_ID_WRAP_LEFT,
1276     &editor.button.rotate_left,                 GD_TYPE_NORMAL_BUTTON,
1277     "wrap (rotate) level left",                 0
1278   },
1279   {
1280     IMG_GFX_EDITOR_BUTTON_ZOOM_LEVEL,           GADGET_ID_ZOOM,
1281     &editor.button.zoom_level,                  GD_TYPE_NORMAL_BUTTON,
1282     "zoom level tile size",                     '+'
1283   },
1284   {
1285     IMG_GFX_EDITOR_BUTTON_ROTATE_RIGHT,         GADGET_ID_WRAP_RIGHT,
1286     &editor.button.rotate_right,                GD_TYPE_NORMAL_BUTTON,
1287     "wrap (rotate) level right",                0
1288   },
1289   {
1290     IMG_GFX_EDITOR_BUTTON_DRAW_RANDOM,          GADGET_ID_RANDOM_PLACEMENT,
1291     &editor.button.draw_random,                 GD_TYPE_NORMAL_BUTTON,
1292     "random element placement",                 0
1293   },
1294   {
1295     IMG_GFX_EDITOR_BUTTON_GRAB_BRUSH,           GADGET_ID_GRAB_BRUSH,
1296     &editor.button.grab_brush,                  GD_TYPE_RADIO_BUTTON,
1297     "grab brush",                               'b'
1298   },
1299   {
1300     IMG_GFX_EDITOR_BUTTON_ROTATE_DOWN,          GADGET_ID_WRAP_DOWN,
1301     &editor.button.rotate_down,                 GD_TYPE_NORMAL_BUTTON,
1302     "wrap (rotate) level down",                 0
1303   },
1304   {
1305     IMG_GFX_EDITOR_BUTTON_PICK_ELEMENT,         GADGET_ID_PICK_ELEMENT,
1306     &editor.button.pick_element,                GD_TYPE_RADIO_BUTTON,
1307     "pick drawing element",                     ','
1308   },
1309
1310   // ---------- level control buttons -----------------------------------------
1311
1312   {
1313     IMG_GFX_EDITOR_BUTTON_UNDO,                 GADGET_ID_UNDO,
1314     &editor.button.undo,                        GD_TYPE_NORMAL_BUTTON,
1315     "undo/redo last operation",                 'u'
1316   },
1317   {
1318     IMG_GFX_EDITOR_BUTTON_CONF,                 GADGET_ID_CONF,
1319     &editor.button.conf,                        GD_TYPE_NORMAL_BUTTON,
1320     "level and editor settings",                'I'
1321   },
1322   {
1323     IMG_GFX_EDITOR_BUTTON_SAVE,                 GADGET_ID_SAVE,
1324     &editor.button.save,                        GD_TYPE_NORMAL_BUTTON,
1325     "save level",                               'S'
1326   },
1327   {
1328     IMG_GFX_EDITOR_BUTTON_CLEAR,                GADGET_ID_CLEAR,
1329     &editor.button.clear,                       GD_TYPE_NORMAL_BUTTON,
1330     "clear level",                              'C'
1331   },
1332   {
1333     IMG_GFX_EDITOR_BUTTON_TEST,                 GADGET_ID_TEST,
1334     &editor.button.test,                        GD_TYPE_NORMAL_BUTTON,
1335     "test level",                               'T'
1336   },
1337   {
1338     IMG_GFX_EDITOR_BUTTON_EXIT,                 GADGET_ID_EXIT,
1339     &editor.button.exit,                        GD_TYPE_NORMAL_BUTTON,
1340     "exit level editor",                        'E'
1341   },
1342
1343   // ---------- CE and GE control buttons -------------------------------------
1344
1345   {
1346     IMG_GFX_EDITOR_BUTTON_CE_COPY_FROM,         GADGET_ID_CUSTOM_COPY_FROM,
1347     &editor.button.ce_copy_from,                GD_TYPE_RADIO_BUTTON,
1348     "copy settings from other element",         0
1349   },
1350   {
1351     IMG_GFX_EDITOR_BUTTON_CE_COPY_TO,           GADGET_ID_CUSTOM_COPY_TO,
1352     &editor.button.ce_copy_to,                  GD_TYPE_RADIO_BUTTON,
1353     "copy settings to other element",           0
1354   },
1355   {
1356     IMG_GFX_EDITOR_BUTTON_CE_SWAP,              GADGET_ID_CUSTOM_EXCHANGE,
1357     &editor.button.ce_swap,                     GD_TYPE_RADIO_BUTTON,
1358     "exchange element with other element",      0
1359   },
1360   {
1361     IMG_GFX_EDITOR_BUTTON_CE_COPY,              GADGET_ID_CUSTOM_COPY,
1362     &editor.button.ce_copy,                     GD_TYPE_NORMAL_BUTTON,
1363     "copy settings from this element",          0
1364   },
1365   {
1366     IMG_GFX_EDITOR_BUTTON_CE_PASTE,             GADGET_ID_CUSTOM_PASTE,
1367     &editor.button.ce_paste,                    GD_TYPE_NORMAL_BUTTON,
1368     "paste settings to this element",           0
1369   },
1370
1371   // ---------- palette control buttons ---------------------------------------
1372
1373   {
1374     IMG_GFX_EDITOR_BUTTON_PROPERTIES,           GADGET_ID_PROPERTIES,
1375     &editor.button.properties,                  GD_TYPE_NORMAL_BUTTON,
1376     "properties of drawing element",            'p'
1377   },
1378   {
1379     IMG_GFX_EDITOR_BUTTON_ELEMENT_LEFT,         GADGET_ID_ELEMENT_LEFT,
1380     &editor.button.element_left,                GD_TYPE_NORMAL_BUTTON,
1381     "properties of drawing element 1",          '1'
1382   },
1383   {
1384     IMG_GFX_EDITOR_BUTTON_ELEMENT_MIDDLE,       GADGET_ID_ELEMENT_MIDDLE,
1385     &editor.button.element_middle,              GD_TYPE_NORMAL_BUTTON,
1386     "properties of drawing element 2",          '2'
1387   },
1388   {
1389     IMG_GFX_EDITOR_BUTTON_ELEMENT_RIGHT,        GADGET_ID_ELEMENT_RIGHT,
1390     &editor.button.element_right,               GD_TYPE_NORMAL_BUTTON,
1391     "properties of drawing element 3",          '3'
1392   },
1393   {
1394     IMG_GFX_EDITOR_BUTTON_PALETTE,              GADGET_ID_PALETTE,
1395     &editor.button.palette,                     GD_TYPE_NORMAL_BUTTON,
1396     "show list of elements",                    'e'
1397   }
1398 };
1399
1400 static int random_placement_value = 10;
1401 static int random_placement_method = RANDOM_USE_QUANTITY;
1402 static int random_placement_background_element = EL_SAND;
1403 static boolean random_placement_background_restricted = FALSE;
1404 static boolean stick_element_properties_window = FALSE;
1405 static boolean custom_element_properties[NUM_ELEMENT_PROPERTIES];
1406 static boolean custom_element_change_events[NUM_CHANGE_EVENTS];
1407 static struct ElementChangeInfo custom_element_change;
1408 static struct ElementGroupInfo group_element_info;
1409 static struct ElementInfo custom_element;
1410
1411 static char levelset_name[MAX_LEVEL_NAME_LEN + 1];
1412 static char levelset_author[MAX_LEVEL_AUTHOR_LEN + 1];
1413 static int levelset_num_levels = 100;
1414 static boolean levelset_use_levelset_artwork = FALSE;
1415 static boolean levelset_copy_level_template = FALSE;
1416 static int levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
1417
1418 static struct
1419 {
1420   int gadget_type_id;
1421   int x, y;
1422   int min_value, max_value;
1423   int gadget_id_down, gadget_id_up;
1424   int gadget_id_text;
1425   int gadget_id_align;
1426   int *value;
1427   char *text_above, *text_left, *text_right;
1428 } counterbutton_info[ED_NUM_COUNTERBUTTONS] =
1429 {
1430   // ---------- current level number ------------------------------------------
1431
1432   {
1433     ED_COUNTER_ID_SELECT_LEVEL,
1434     -1, -1,     // these values are not constant, but can change at runtime
1435     1,                                  100,
1436     GADGET_ID_SELECT_LEVEL_DOWN,        GADGET_ID_SELECT_LEVEL_UP,
1437     GADGET_ID_SELECT_LEVEL_TEXT,        GADGET_ID_NONE,
1438     &level_nr,
1439     NULL,                               NULL, NULL
1440   },
1441
1442   // ---------- level and editor settings -------------------------------------
1443
1444   {
1445     ED_COUNTER_ID_LEVEL_XSIZE,
1446     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1447     MIN_LEV_FIELDX,                     MAX_LEV_FIELDX,
1448     GADGET_ID_LEVEL_XSIZE_DOWN,         GADGET_ID_LEVEL_XSIZE_UP,
1449     GADGET_ID_LEVEL_XSIZE_TEXT,         GADGET_ID_NONE,
1450     &level.fieldx,
1451     "playfield size:",                  NULL, "width",
1452   },
1453   {
1454     ED_COUNTER_ID_LEVEL_YSIZE,
1455     -1,                                 ED_LEVEL_SETTINGS_YPOS(4),
1456     MIN_LEV_FIELDY,                     MAX_LEV_FIELDY,
1457     GADGET_ID_LEVEL_YSIZE_DOWN,         GADGET_ID_LEVEL_YSIZE_UP,
1458     GADGET_ID_LEVEL_YSIZE_TEXT,         GADGET_ID_LEVEL_XSIZE_UP,
1459     &level.fieldy,
1460     NULL,                               " ", "height",
1461   },
1462   {
1463     ED_COUNTER_ID_LEVEL_GEMSLIMIT,
1464     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
1465     0,                                  999,
1466     GADGET_ID_LEVEL_GEMSLIMIT_DOWN,     GADGET_ID_LEVEL_GEMSLIMIT_UP,
1467     GADGET_ID_LEVEL_GEMSLIMIT_TEXT,     GADGET_ID_NONE,
1468     &level.gems_needed,
1469     NULL,                               "number of gems to collect:", NULL
1470   },
1471   {
1472     ED_COUNTER_ID_LEVEL_TIMELIMIT,
1473     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
1474     0,                                  9999,
1475     GADGET_ID_LEVEL_TIMELIMIT_DOWN,     GADGET_ID_LEVEL_TIMELIMIT_UP,
1476     GADGET_ID_LEVEL_TIMELIMIT_TEXT,     GADGET_ID_NONE,
1477     &level.time,
1478     "time or step limit to solve level:", NULL, NULL
1479   },
1480   {
1481     ED_COUNTER_ID_LEVEL_TIMESCORE,
1482     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
1483     0,                                  999,
1484     GADGET_ID_LEVEL_TIMESCORE_DOWN,     GADGET_ID_LEVEL_TIMESCORE_UP,
1485     GADGET_ID_LEVEL_TIMESCORE_TEXT,     GADGET_ID_NONE,
1486     &level.score[SC_TIME_BONUS],
1487     "score for time or steps left:",    NULL, NULL
1488   },
1489   {
1490     ED_COUNTER_ID_LEVEL_RANDOM_SEED,
1491     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(13),
1492     0,                                  9999,
1493     GADGET_ID_LEVEL_RANDOM_SEED_DOWN,   GADGET_ID_LEVEL_RANDOM_SEED_UP,
1494     GADGET_ID_LEVEL_RANDOM_SEED_TEXT,   GADGET_ID_NONE,
1495     &level.random_seed,
1496     NULL,                               "random seed:", "(0 => random)"
1497   },
1498   {
1499     ED_COUNTER_ID_LEVELSET_NUM_LEVELS,
1500     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1501     1,                                  MAX_LEVELS,
1502     GADGET_ID_LEVELSET_NUM_LEVELS_DOWN, GADGET_ID_LEVELSET_NUM_LEVELS_UP,
1503     GADGET_ID_LEVELSET_NUM_LEVELS_TEXT, GADGET_ID_NONE,
1504     &levelset_num_levels,
1505     "number of levels:",                NULL, NULL,
1506   },
1507   {
1508     ED_COUNTER_ID_LEVEL_RANDOM,
1509     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1510     1,                                  100,
1511     GADGET_ID_LEVEL_RANDOM_DOWN,        GADGET_ID_LEVEL_RANDOM_UP,
1512     GADGET_ID_LEVEL_RANDOM_TEXT,        GADGET_ID_NONE,
1513     &random_placement_value,
1514     "random element placement:",        NULL, "in"
1515   },
1516   {
1517     ED_COUNTER_ID_BD_CYCLE_DELAY_MS,
1518     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1519     50,                                 500,
1520     GADGET_ID_BD_CYCLE_DELAY_MS_DOWN,   GADGET_ID_BD_CYCLE_DELAY_MS_UP,
1521     GADGET_ID_BD_CYCLE_DELAY_MS_TEXT,   GADGET_ID_NONE,
1522     &level.bd_cycle_delay_ms,
1523     NULL,                               NULL, "game cycle delay (ms)"
1524   },
1525   {
1526     ED_COUNTER_ID_BD_CYCLE_DELAY_C64,
1527     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(3),
1528     0,                                  32,
1529     GADGET_ID_BD_CYCLE_DELAY_C64_DOWN,  GADGET_ID_BD_CYCLE_DELAY_C64_UP,
1530     GADGET_ID_BD_CYCLE_DELAY_C64_TEXT,  GADGET_ID_NONE,
1531     &level.bd_cycle_delay_c64,
1532     NULL,                               NULL, "game cycle delay (C64-style)"
1533   },
1534   {
1535     ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES,
1536     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1537     1,                                  40,
1538     GADGET_ID_BD_HATCHING_DELAY_CYCLES_DOWN,    GADGET_ID_BD_HATCHING_DELAY_CYCLES_UP,
1539     GADGET_ID_BD_HATCHING_DELAY_CYCLES_TEXT,    GADGET_ID_NONE,
1540     &level.bd_hatching_delay_cycles,
1541     NULL,                               NULL, "hatching delay (cycles)"
1542   },
1543   {
1544     ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS,
1545     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
1546     1,                                  40,
1547     GADGET_ID_BD_HATCHING_DELAY_SECONDS_DOWN,   GADGET_ID_BD_HATCHING_DELAY_SECONDS_UP,
1548     GADGET_ID_BD_HATCHING_DELAY_SECONDS_TEXT,   GADGET_ID_NONE,
1549     &level.bd_hatching_delay_seconds,
1550     NULL,                               NULL, "hatching delay (seconds)"
1551   },
1552
1553   // ---------- element settings: configure (various elements) ----------------
1554
1555   {
1556     ED_COUNTER_ID_ELEMENT_VALUE1,
1557     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1558     MIN_SCORE,                          MAX_SCORE,
1559     GADGET_ID_ELEMENT_VALUE1_DOWN,      GADGET_ID_ELEMENT_VALUE1_UP,
1560     GADGET_ID_ELEMENT_VALUE1_TEXT,      GADGET_ID_NONE,
1561     NULL,                               // will be set when used
1562     NULL,                               NULL, NULL
1563   },
1564   {
1565     ED_COUNTER_ID_ELEMENT_VALUE2,
1566     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
1567     MIN_SCORE,                          MAX_SCORE,
1568     GADGET_ID_ELEMENT_VALUE2_DOWN,      GADGET_ID_ELEMENT_VALUE2_UP,
1569     GADGET_ID_ELEMENT_VALUE2_TEXT,      GADGET_ID_NONE,
1570     NULL,                               // will be set when used
1571     NULL,                               NULL, NULL
1572   },
1573   {
1574     ED_COUNTER_ID_ELEMENT_VALUE3,
1575     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1576     MIN_SCORE,                          MAX_SCORE,
1577     GADGET_ID_ELEMENT_VALUE3_DOWN,      GADGET_ID_ELEMENT_VALUE3_UP,
1578     GADGET_ID_ELEMENT_VALUE3_TEXT,      GADGET_ID_NONE,
1579     NULL,                               // will be set when used
1580     NULL,                               NULL, NULL
1581   },
1582   {
1583     ED_COUNTER_ID_ELEMENT_VALUE4,
1584     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1585     MIN_SCORE,                          MAX_SCORE,
1586     GADGET_ID_ELEMENT_VALUE4_DOWN,      GADGET_ID_ELEMENT_VALUE4_UP,
1587     GADGET_ID_ELEMENT_VALUE4_TEXT,      GADGET_ID_NONE,
1588     NULL,                               // will be set when used
1589     NULL,                               NULL, NULL
1590   },
1591   {
1592     ED_COUNTER_ID_YAMYAM_CONTENT,
1593     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1594     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1595     GADGET_ID_YAMYAM_CONTENT_DOWN,      GADGET_ID_YAMYAM_CONTENT_UP,
1596     GADGET_ID_YAMYAM_CONTENT_TEXT,      GADGET_ID_NONE,
1597     &level.num_yamyam_contents,
1598     NULL,                               NULL, "number of content areas"
1599   },
1600   {
1601     ED_COUNTER_ID_BALL_CONTENT,
1602     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1603     MIN_ELEMENT_CONTENTS,               MAX_ELEMENT_CONTENTS,
1604     GADGET_ID_BALL_CONTENT_DOWN,        GADGET_ID_BALL_CONTENT_UP,
1605     GADGET_ID_BALL_CONTENT_TEXT,        GADGET_ID_NONE,
1606     &level.num_ball_contents,
1607     NULL,                               NULL, "number of content areas"
1608   },
1609   {
1610     ED_COUNTER_ID_ANDROID_CONTENT,
1611     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
1612     MIN_ANDROID_ELEMENTS,               MAX_ANDROID_ELEMENTS,
1613     GADGET_ID_ANDROID_CONTENT_DOWN,     GADGET_ID_ANDROID_CONTENT_UP,
1614     GADGET_ID_ANDROID_CONTENT_TEXT,     GADGET_ID_NONE,
1615     &level.num_android_clone_elements,
1616     NULL,                               NULL, "number of clonable elements"
1617   },
1618   {
1619     ED_COUNTER_ID_ENVELOPE_XSIZE,
1620     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
1621     MIN_ENVELOPE_XSIZE,                 MAX_ENVELOPE_XSIZE,
1622     GADGET_ID_ENVELOPE_XSIZE_DOWN,      GADGET_ID_ENVELOPE_XSIZE_UP,
1623     GADGET_ID_ENVELOPE_XSIZE_TEXT,      GADGET_ID_NONE,
1624     NULL,                               // will be set when used
1625     NULL,                               NULL, "width",
1626   },
1627   {
1628     ED_COUNTER_ID_ENVELOPE_YSIZE,
1629     -1,                                 ED_ELEMENT_SETTINGS_YPOS(0),
1630     MIN_ENVELOPE_YSIZE,                 MAX_ENVELOPE_YSIZE,
1631     GADGET_ID_ENVELOPE_YSIZE_DOWN,      GADGET_ID_ENVELOPE_YSIZE_UP,
1632     GADGET_ID_ENVELOPE_YSIZE_TEXT,      GADGET_ID_ENVELOPE_XSIZE_UP,
1633     NULL,                               // will be set when used
1634     NULL,                               " ", "height",
1635   },
1636   {
1637     ED_COUNTER_ID_INVENTORY_SIZE,
1638     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
1639     MIN_INITIAL_INVENTORY_SIZE,         MAX_INITIAL_INVENTORY_SIZE,
1640     GADGET_ID_INVENTORY_SIZE_DOWN,      GADGET_ID_INVENTORY_SIZE_UP,
1641     GADGET_ID_INVENTORY_SIZE_TEXT,      GADGET_ID_NONE,
1642     &level.initial_inventory_size[0],
1643     NULL,                               NULL, "number of inventory elements"
1644   },
1645   {
1646     ED_COUNTER_ID_MM_BALL_CONTENT,
1647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1648     MIN_ELEMENTS_IN_GROUP,              MAX_MM_BALL_CONTENTS,
1649     GADGET_ID_MM_BALL_CONTENT_DOWN,     GADGET_ID_MM_BALL_CONTENT_UP,
1650     GADGET_ID_MM_BALL_CONTENT_TEXT,     GADGET_ID_NONE,
1651     &level.num_mm_ball_contents,
1652     NULL,                               NULL, "number of content elements"
1653   },
1654
1655   // ---------- element settings: configure 1 (custom elements) ---------------
1656
1657   {
1658     ED_COUNTER_ID_CUSTOM_SCORE,
1659     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1660     MIN_SCORE,                          MAX_SCORE,
1661     GADGET_ID_CUSTOM_SCORE_DOWN,        GADGET_ID_CUSTOM_SCORE_UP,
1662     GADGET_ID_CUSTOM_SCORE_TEXT,        GADGET_ID_NONE,
1663     &custom_element.collect_score_initial,
1664     NULL,                               "CE score", " "
1665   },
1666   {
1667     ED_COUNTER_ID_CUSTOM_GEMCOUNT,
1668     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1669     MIN_COLLECT_COUNT,                  MAX_COLLECT_COUNT,
1670     GADGET_ID_CUSTOM_GEMCOUNT_DOWN,     GADGET_ID_CUSTOM_GEMCOUNT_UP,
1671     GADGET_ID_CUSTOM_GEMCOUNT_TEXT,     GADGET_ID_CUSTOM_SCORE_UP,
1672     &custom_element.collect_count_initial,
1673     NULL,                               "CE count", NULL
1674   },
1675   {
1676     ED_COUNTER_ID_CUSTOM_VALUE_FIX,
1677     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1678     0,                                  9999,
1679     GADGET_ID_CUSTOM_VALUE_FIX_DOWN,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1680     GADGET_ID_CUSTOM_VALUE_FIX_TEXT,    GADGET_ID_NONE,
1681     &custom_element.ce_value_fixed_initial,
1682     NULL,                               "CE value", NULL
1683   },
1684   {
1685     ED_COUNTER_ID_CUSTOM_VALUE_RND,
1686     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
1687     0,                                  9999,
1688     GADGET_ID_CUSTOM_VALUE_RND_DOWN,    GADGET_ID_CUSTOM_VALUE_RND_UP,
1689     GADGET_ID_CUSTOM_VALUE_RND_TEXT,    GADGET_ID_CUSTOM_VALUE_FIX_UP,
1690     &custom_element.ce_value_random_initial,
1691     NULL,                               "+random", NULL
1692   },
1693   {
1694     ED_COUNTER_ID_PUSH_DELAY_FIX,
1695     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1696     0,                                  999,
1697     GADGET_ID_PUSH_DELAY_FIX_DOWN,      GADGET_ID_PUSH_DELAY_FIX_UP,
1698     GADGET_ID_PUSH_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1699     &custom_element.push_delay_fixed,
1700     NULL,                               "push delay", NULL
1701   },
1702   {
1703     ED_COUNTER_ID_PUSH_DELAY_RND,
1704     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1705     0,                                  999,
1706     GADGET_ID_PUSH_DELAY_RND_DOWN,      GADGET_ID_PUSH_DELAY_RND_UP,
1707     GADGET_ID_PUSH_DELAY_RND_TEXT,      GADGET_ID_PUSH_DELAY_FIX_UP,
1708     &custom_element.push_delay_random,
1709     NULL,                               "+random", NULL
1710   },
1711   {
1712     ED_COUNTER_ID_DROP_DELAY_FIX,
1713     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(7),
1714     0,                                  999,
1715     GADGET_ID_DROP_DELAY_FIX_DOWN,      GADGET_ID_DROP_DELAY_FIX_UP,
1716     GADGET_ID_DROP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1717     &custom_element.drop_delay_fixed,
1718     NULL,                               "drop delay", NULL
1719   },
1720   {
1721     ED_COUNTER_ID_DROP_DELAY_RND,
1722     -1,                                 ED_ELEMENT_SETTINGS_YPOS(7),
1723     0,                                  999,
1724     GADGET_ID_DROP_DELAY_RND_DOWN,      GADGET_ID_DROP_DELAY_RND_UP,
1725     GADGET_ID_DROP_DELAY_RND_TEXT,      GADGET_ID_DROP_DELAY_FIX_UP,
1726     &custom_element.drop_delay_random,
1727     NULL,                               "+random", NULL
1728   },
1729
1730   // ---------- element settings: configure 2 (custom elements) ---------------
1731
1732   {
1733     ED_COUNTER_ID_MOVE_DELAY_FIX,
1734     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
1735     0,                                  999,
1736     GADGET_ID_MOVE_DELAY_FIX_DOWN,      GADGET_ID_MOVE_DELAY_FIX_UP,
1737     GADGET_ID_MOVE_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1738     &custom_element.move_delay_fixed,
1739     NULL,                               "move delay", NULL
1740   },
1741   {
1742     ED_COUNTER_ID_MOVE_DELAY_RND,
1743     -1,                                 ED_ELEMENT_SETTINGS_YPOS(5),
1744     0,                                  999,
1745     GADGET_ID_MOVE_DELAY_RND_DOWN,      GADGET_ID_MOVE_DELAY_RND_UP,
1746     GADGET_ID_MOVE_DELAY_RND_TEXT,      GADGET_ID_MOVE_DELAY_FIX_UP,
1747     &custom_element.move_delay_random,
1748     NULL,                               "+random", NULL
1749   },
1750   {
1751     ED_COUNTER_ID_STEP_DELAY_FIX,
1752     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(6),
1753     0,                                  999,
1754     GADGET_ID_STEP_DELAY_FIX_DOWN,      GADGET_ID_STEP_DELAY_FIX_UP,
1755     GADGET_ID_STEP_DELAY_FIX_TEXT,      GADGET_ID_NONE,
1756     &custom_element.step_delay_fixed,
1757     NULL,                               "step delay", NULL
1758   },
1759   {
1760     ED_COUNTER_ID_STEP_DELAY_RND,
1761     -1,                                 ED_ELEMENT_SETTINGS_YPOS(6),
1762     0,                                  999,
1763     GADGET_ID_STEP_DELAY_RND_DOWN,      GADGET_ID_STEP_DELAY_RND_UP,
1764     GADGET_ID_STEP_DELAY_RND_TEXT,      GADGET_ID_STEP_DELAY_FIX_UP,
1765     &custom_element.step_delay_random,
1766     NULL,                               "+random", NULL
1767   },
1768   {
1769     ED_COUNTER_ID_EXPLOSION_DELAY,
1770     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
1771     0,                                  999,
1772     GADGET_ID_EXPLOSION_DELAY_DOWN,     GADGET_ID_EXPLOSION_DELAY_UP,
1773     GADGET_ID_EXPLOSION_DELAY_TEXT,     GADGET_ID_NONE,
1774     &custom_element.explosion_delay,
1775     NULL,                               "explosion delay", NULL
1776   },
1777   {
1778     ED_COUNTER_ID_IGNITION_DELAY,
1779     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
1780     0,                                  999,
1781     GADGET_ID_IGNITION_DELAY_DOWN,      GADGET_ID_IGNITION_DELAY_UP,
1782     GADGET_ID_IGNITION_DELAY_TEXT,      GADGET_ID_NONE,
1783     &custom_element.ignition_delay,
1784     NULL,                               "ignition delay", "(by fire)"
1785   },
1786
1787   // ---------- element settings: configure (group elements) ------------------
1788
1789   {
1790     ED_COUNTER_ID_GROUP_CONTENT,
1791     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1792     MIN_ELEMENTS_IN_GROUP,              MAX_ELEMENTS_IN_GROUP,
1793     GADGET_ID_GROUP_CONTENT_DOWN,       GADGET_ID_GROUP_CONTENT_UP,
1794     GADGET_ID_GROUP_CONTENT_TEXT,       GADGET_ID_NONE,
1795     &group_element_info.num_elements,
1796     NULL,                               NULL, "number of elements in group"
1797   },
1798
1799   // ---------- element settings: advanced (custom elements) ------------------
1800
1801   {
1802     ED_COUNTER_ID_CHANGE_DELAY_FIX,
1803     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(2),
1804     0,                                  999,
1805     GADGET_ID_CHANGE_DELAY_FIX_DOWN,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1806     GADGET_ID_CHANGE_DELAY_FIX_TEXT,    GADGET_ID_NONE,
1807     &custom_element_change.delay_fixed,
1808     NULL,                               "CE delay", NULL,
1809   },
1810   {
1811     ED_COUNTER_ID_CHANGE_DELAY_RND,
1812     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
1813     0,                                  999,
1814     GADGET_ID_CHANGE_DELAY_RND_DOWN,    GADGET_ID_CHANGE_DELAY_RND_UP,
1815     GADGET_ID_CHANGE_DELAY_RND_TEXT,    GADGET_ID_CHANGE_DELAY_FIX_UP,
1816     &custom_element_change.delay_random,
1817     NULL,                               "+random", NULL
1818   },
1819   {
1820     ED_COUNTER_ID_CHANGE_CONT_RND,
1821     ED_ELEMENT_SETTINGS_XPOS(3),        ED_ELEMENT_SETTINGS_YPOS(12),
1822     0,                                  100,
1823     GADGET_ID_CHANGE_CONT_RND_DOWN,     GADGET_ID_CHANGE_CONT_RND_UP,
1824     GADGET_ID_CHANGE_CONT_RND_TEXT,     GADGET_ID_NONE,
1825     &custom_element_change.random_percentage,
1826     NULL,                               "use random replace:", "%"
1827   },
1828 };
1829
1830 static struct
1831 {
1832   int gadget_type_id;
1833   int x, y;
1834   int gadget_id;
1835   int size;
1836   char *value;
1837   char *text_above, *infotext;
1838 } textinput_info[ED_NUM_TEXTINPUT] =
1839 {
1840   {
1841     ED_TEXTINPUT_ID_LEVEL_NAME,
1842     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1843     GADGET_ID_LEVEL_NAME,
1844     MAX_LEVEL_NAME_LEN,
1845     level.name,
1846     "Title:", "Title for this level"
1847   },
1848   {
1849     ED_TEXTINPUT_ID_LEVEL_AUTHOR,
1850     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1851     GADGET_ID_LEVEL_AUTHOR,
1852     MAX_LEVEL_AUTHOR_LEN,
1853     level.author,
1854     "Author:", "Author for this level"
1855   },
1856   {
1857     ED_TEXTINPUT_ID_LEVELSET_NAME,
1858     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
1859     GADGET_ID_LEVELSET_NAME,
1860     MAX_LEVEL_NAME_LEN,
1861     levelset_name,
1862     "Title:", "Title for this or new level set"
1863   },
1864   {
1865     ED_TEXTINPUT_ID_LEVELSET_AUTHOR,
1866     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
1867     GADGET_ID_LEVELSET_AUTHOR,
1868     MAX_LEVEL_AUTHOR_LEN,
1869     levelset_author,
1870     "Author:", "Author for this or new level set"
1871   },
1872   {
1873     ED_TEXTINPUT_ID_ELEMENT_NAME,
1874     -1, -1,     // these values are not constant, but can change at runtime
1875     GADGET_ID_ELEMENT_NAME,
1876     MAX_ELEMENT_NAME_LEN - 2,           // currently 2 chars less editable
1877     custom_element.description,
1878     NULL, "Element name"
1879   }
1880 };
1881
1882 static struct
1883 {
1884   int gadget_type_id;
1885   int x, y;
1886   int gadget_id;
1887   int xsize, ysize;
1888   char *value;
1889   char *text_above, *text_above_cropped, *infotext;
1890 } textarea_info[ED_NUM_TEXTAREAS] =
1891 {
1892   {
1893     ED_TEXTAREA_ID_ENVELOPE_INFO,
1894     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
1895     GADGET_ID_ENVELOPE_INFO,
1896     MAX_ENVELOPE_XSIZE, MAX_ENVELOPE_YSIZE,
1897     NULL,
1898     "Envelope Content:", "Envelope Content (cropped):", "Envelope Content"
1899   }
1900 };
1901
1902 static struct ValueTextInfo options_time_or_steps[] =
1903 {
1904   { 0,                          "seconds"                       },
1905   { 1,                          "steps"                         },
1906
1907   { -1,                         NULL                            }
1908 };
1909
1910 static struct ValueTextInfo options_time_score_base[] =
1911 {
1912   { 1,                          "per second/step"               },
1913   { 10,                         "per 10 seconds/steps"          },
1914
1915   { -1,                         NULL                            }
1916 };
1917
1918 static struct ValueTextInfo options_game_engine_type[] =
1919 {
1920   { GAME_ENGINE_TYPE_RND,       "Rocks'n'Diamonds"              },
1921   { GAME_ENGINE_TYPE_BD,        "Boulder Dash"                  },
1922   { GAME_ENGINE_TYPE_EM,        "Emerald Mine"                  },
1923   { GAME_ENGINE_TYPE_SP,        "Supaplex"                      },
1924   { GAME_ENGINE_TYPE_MM,        "Mirror Magic"                  },
1925
1926   { -1,                         NULL                            }
1927 };
1928
1929 static struct ValueTextInfo options_levelset_save_mode[] =
1930 {
1931   { LEVELSET_SAVE_MODE_UPDATE,  "Update this level set"         },
1932   { LEVELSET_SAVE_MODE_CREATE,  "Create new level set"          },
1933
1934   { -1,                         NULL                            }
1935 };
1936
1937 static struct ValueTextInfo options_wind_direction[] =
1938 {
1939   { MV_START_NONE,              "none"                          },
1940   { MV_START_LEFT,              "left"                          },
1941   { MV_START_RIGHT,             "right"                         },
1942   { MV_START_UP,                "up"                            },
1943   { MV_START_DOWN,              "down"                          },
1944
1945   { -1,                         NULL                            }
1946 };
1947
1948 static struct ValueTextInfo options_player_speed[] =
1949 {
1950   { 0,                          "frozen"                        },
1951   { 1,                          "very slow"                     },
1952   { 2,                          "slow"                          },
1953   { 4,                          "normal"                        },
1954   { 8,                          "fast"                          },
1955   { 16,                         "very fast"                     },
1956   { 32,                         "ultrafast"                     },
1957
1958   { -1,                         NULL                            }
1959 };
1960
1961 static struct ValueTextInfo options_access_type[] =
1962 {
1963   { EP_WALKABLE,                "walkable"                      },
1964   { EP_PASSABLE,                "passable"                      },
1965
1966   { -1,                         NULL                            }
1967 };
1968
1969 static struct ValueTextInfo options_access_layer[] =
1970 {
1971   { EP_ACCESSIBLE_OVER,         "over"                          },
1972   { EP_ACCESSIBLE_INSIDE,       "inside"                        },
1973   { EP_ACCESSIBLE_UNDER,        "under"                         },
1974
1975   { -1,                         NULL                            }
1976 };
1977
1978 static struct ValueTextInfo options_access_protected[] =
1979 {
1980   { 0,                          "unprotected"                   },
1981   { 1,                          "protected"                     },
1982
1983   { -1,                         NULL                            }
1984 };
1985
1986 static struct ValueTextInfo options_access_direction[] =
1987 {
1988   { MV_NO_DIRECTION,            "no direction"                  },
1989   { MV_LEFT,                    "left"                          },
1990   { MV_RIGHT,                   "right"                         },
1991   { MV_UP,                      "up"                            },
1992   { MV_DOWN,                    "down"                          },
1993   { MV_LEFT  | MV_UP,           "left + up"                     },
1994   { MV_LEFT  | MV_DOWN,         "left + down"                   },
1995   { MV_RIGHT | MV_UP,           "right + up"                    },
1996   { MV_RIGHT | MV_DOWN,         "right + down"                  },
1997   { MV_HORIZONTAL,              "horizontal"                    },
1998   { MV_VERTICAL,                "vertical"                      },
1999   { MV_HORIZONTAL | MV_UP,      "horizontal + up"               },
2000   { MV_HORIZONTAL | MV_DOWN,    "horizontal + down"             },
2001   { MV_VERTICAL   | MV_LEFT,    "vertical + left"               },
2002   { MV_VERTICAL   | MV_RIGHT,   "vertical + right"              },
2003   { MV_ALL_DIRECTIONS,          "all directions"                },
2004
2005   { -1,                         NULL                            }
2006 };
2007
2008 static struct ValueTextInfo options_walk_to_action[] =
2009 {
2010   { EP_DIGGABLE,                "diggable"                      },
2011   { EP_COLLECTIBLE_ONLY,        "collectible"                   },
2012   { EP_DROPPABLE,               "collectible & droppable"       },
2013   { EP_THROWABLE,               "collectible & throwable"       },
2014   { EP_PUSHABLE,                "pushable"                      },
2015
2016   { -1,                         NULL                            }
2017 };
2018
2019 static struct ValueTextInfo options_move_pattern[] =
2020 {
2021   { MV_LEFT,                    "left"                          },
2022   { MV_RIGHT,                   "right"                         },
2023   { MV_UP,                      "up"                            },
2024   { MV_DOWN,                    "down"                          },
2025   { MV_HORIZONTAL,              "horizontal"                    },
2026   { MV_VERTICAL,                "vertical"                      },
2027   { MV_ALL_DIRECTIONS,          "all directions"                },
2028   { MV_WIND_DIRECTION,          "wind direction"                },
2029   { MV_TOWARDS_PLAYER,          "towards player"                },
2030   { MV_AWAY_FROM_PLAYER,        "away from player"              },
2031   { MV_ALONG_LEFT_SIDE,         "along left side"               },
2032   { MV_ALONG_RIGHT_SIDE,        "along right side"              },
2033   { MV_TURNING_LEFT,            "turning left"                  },
2034   { MV_TURNING_RIGHT,           "turning right"                 },
2035   { MV_TURNING_LEFT_RIGHT,      "turning left, right"           },
2036   { MV_TURNING_RIGHT_LEFT,      "turning right, left"           },
2037   { MV_TURNING_RANDOM,          "turning random"                },
2038   { MV_MAZE_RUNNER,             "maze runner style"             },
2039   { MV_MAZE_HUNTER,             "maze hunter style"             },
2040   { MV_WHEN_PUSHED,             "when pushed"                   },
2041   { MV_WHEN_DROPPED,            "when dropped/thrown"           },
2042
2043   { -1,                         NULL                            }
2044 };
2045
2046 static struct ValueTextInfo options_move_direction[] =
2047 {
2048   { MV_START_AUTOMATIC,         "automatic"                     },
2049   { MV_START_LEFT,              "left"                          },
2050   { MV_START_RIGHT,             "right"                         },
2051   { MV_START_UP,                "up"                            },
2052   { MV_START_DOWN,              "down"                          },
2053   { MV_START_RANDOM,            "random"                        },
2054   { MV_START_PREVIOUS,          "previous"                      },
2055
2056   { -1,                         NULL                            }
2057 };
2058
2059 static struct ValueTextInfo options_move_stepsize[] =
2060 {
2061   { 0,                          "not moving"                    },
2062   { 1,                          "very slow"                     },
2063   { 2,                          "slow"                          },
2064   { 4,                          "normal"                        },
2065   { 8,                          "fast"                          },
2066   { 16,                         "very fast"                     },
2067   { 32,                         "even faster"                   },
2068
2069   { -1,                         NULL                            }
2070 };
2071
2072 static struct ValueTextInfo options_move_leave_type[] =
2073 {
2074   { LEAVE_TYPE_UNLIMITED,       "leave behind"                  },
2075   { LEAVE_TYPE_LIMITED,         "change it to"                  },
2076
2077   { -1,                         NULL                            }
2078 };
2079
2080 static struct ValueTextInfo options_smash_targets[] =
2081 {
2082   { EP_CAN_SMASH_PLAYER,        "player"                        },
2083 #if 0
2084   { EP_CAN_SMASH_ENEMIES,       "enemies"                       },
2085 #endif
2086   { EP_CAN_SMASH_EVERYTHING,    "everything"                    },
2087
2088   { -1,                         NULL                            }
2089 };
2090
2091 static struct ValueTextInfo options_slippery_type[] =
2092 {
2093   { SLIPPERY_ANY_RANDOM,        "random"                        },
2094   { SLIPPERY_ANY_LEFT_RIGHT,    "left, right"                   },
2095   { SLIPPERY_ANY_RIGHT_LEFT,    "right, left"                   },
2096   { SLIPPERY_ONLY_LEFT,         "only left"                     },
2097   { SLIPPERY_ONLY_RIGHT,        "only right"                    },
2098
2099   { -1,                         NULL                            }
2100 };
2101
2102 static struct ValueTextInfo options_deadliness[] =
2103 {
2104   { EP_DONT_RUN_INTO,           "running into"                  },
2105   { EP_DONT_COLLIDE_WITH,       "colliding with"                },
2106   { EP_DONT_GET_HIT_BY,         "getting hit by"                },
2107   { EP_DONT_TOUCH,              "touching"                      },
2108
2109   { -1,                         NULL                            }
2110 };
2111
2112 static struct ValueTextInfo options_explosion_type[] =
2113 {
2114   { EXPLODES_3X3,               "3x3"                           },
2115   { EXPLODES_CROSS,             "3+3"                           },
2116   { EXPLODES_1X1,               "1x1"                           },
2117
2118   { -1,                         NULL                            }
2119 };
2120
2121 static struct ValueTextInfo options_time_units[] =
2122 {
2123   { 1,                          "frames"                        },
2124   { FRAMES_PER_SECOND,          "seconds"                       },
2125
2126   { -1,                         NULL                            }
2127 };
2128
2129 static struct ValueTextInfo options_change_direct_action[] =
2130 {
2131   { CE_TOUCHED_BY_PLAYER,       "touched by player"             },
2132   { CE_PRESSED_BY_PLAYER,       "pressed by player"             },
2133   { CE_SWITCHED_BY_PLAYER,      "switched by player"            },
2134   { CE_SNAPPED_BY_PLAYER,       "snapped by player"             },
2135   { CE_PUSHED_BY_PLAYER,        "pushed by player"              },
2136   { CE_ENTERED_BY_PLAYER,       "entered by player"             },
2137   { CE_LEFT_BY_PLAYER,          "left by player"                },
2138   { CE_DROPPED_BY_PLAYER,       "dropped/thrown by player"      },
2139   { CE_SWITCHED,                "switched"                      },
2140   { CE_HITTING_SOMETHING,       "hitting something"             },
2141   { CE_HIT_BY_SOMETHING,        "hit by something"              },
2142 #if 0
2143   { CE_BLOCKED,                 "blocked"                       },
2144 #endif
2145   { CE_IMPACT,                  "impact (on something)"         },
2146   { CE_SMASHED,                 "smashed (from above)"          },
2147 #if 0
2148   { CE_VALUE_CHANGES,           "CE value changes"              },
2149   { CE_SCORE_CHANGES,           "CE score changes"              },
2150 #endif
2151   { CE_VALUE_GETS_ZERO,         "CE value gets 0"               },
2152   { CE_SCORE_GETS_ZERO,         "CE score gets 0"               },
2153   { CE_UNDEFINED,               " "                             },
2154   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2155   { CE_CLICKED_BY_MOUSE,        "clicked by mouse"              },
2156   { CE_PRESSED_BY_MOUSE,        "pressed by mouse"              },
2157   { CE_UNDEFINED,               " "                             },
2158   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2159   { CE_NEXT_TO_PLAYER,          "next to player"                },
2160
2161   { -1,                         NULL                            }
2162 };
2163
2164 static struct ValueTextInfo options_change_other_action[] =
2165 {
2166   { CE_PLAYER_TOUCHES_X,        "player touches"                },
2167   { CE_PLAYER_PRESSES_X,        "player presses"                },
2168   { CE_PLAYER_SWITCHES_X,       "player switches"               },
2169   { CE_PLAYER_SNAPS_X,          "player snaps"                  },
2170   { CE_PLAYER_PUSHES_X,         "player pushes"                 },
2171   { CE_PLAYER_ENTERS_X,         "player enters"                 },
2172   { CE_PLAYER_LEAVES_X,         "player leaves"                 },
2173   { CE_PLAYER_DIGS_X,           "player digs"                   },
2174   { CE_PLAYER_COLLECTS_X,       "player collects"               },
2175   { CE_PLAYER_DROPS_X,          "player drops/throws"           },
2176   { CE_TOUCHING_X,              "touching"                      },
2177   { CE_HITTING_X,               "hitting"                       },
2178   { CE_DIGGING_X,               "digging"                       },
2179   { CE_HIT_BY_X,                "hit by"                        },
2180   { CE_SWITCH_OF_X,             "switch of"                     },
2181   { CE_CHANGE_OF_X,             "change by page of"             },
2182   { CE_EXPLOSION_OF_X,          "explosion of"                  },
2183   { CE_MOVE_OF_X,               "move of"                       },
2184   { CE_CREATION_OF_X,           "creation of"                   },
2185   { CE_VALUE_CHANGES_OF_X,      "CE value changes of"           },
2186   { CE_SCORE_CHANGES_OF_X,      "CE score changes of"           },
2187   { CE_VALUE_GETS_ZERO_OF_X,    "CE value gets 0 of"            },
2188   { CE_SCORE_GETS_ZERO_OF_X,    "CE score gets 0 of"            },
2189   { CE_UNDEFINED,               " "                             },
2190   { CE_HEADLINE_SPECIAL_EVENTS, "[mouse events]"                },
2191   { CE_MOUSE_CLICKED_ON_X,      "mouse clicked on"              },
2192   { CE_MOUSE_PRESSED_ON_X,      "mouse pressed on"              },
2193   { CE_UNDEFINED,               " "                             },
2194   { CE_HEADLINE_SPECIAL_EVENTS, "[static states]"               },
2195   { CE_PLAYER_NEXT_TO_X,        "player next to"                },
2196   { CE_NEXT_TO_X,               "next to"                       },
2197
2198   { -1,                         NULL                            }
2199 };
2200
2201 static struct ValueTextInfo options_change_trigger_side[] =
2202 {
2203   { CH_SIDE_LEFT,               "left"                          },
2204   { CH_SIDE_RIGHT,              "right"                         },
2205   { CH_SIDE_TOP,                "top"                           },
2206   { CH_SIDE_BOTTOM,             "bottom"                        },
2207   { CH_SIDE_LEFT_RIGHT,         "left/right"                    },
2208   { CH_SIDE_TOP_BOTTOM,         "top/bottom"                    },
2209   { CH_SIDE_ANY,                "any"                           },
2210
2211   { -1,                         NULL                            }
2212 };
2213
2214 static struct ValueTextInfo options_change_trigger_player[] =
2215 {
2216   { CH_PLAYER_1,                "1"                             },
2217   { CH_PLAYER_2,                "2"                             },
2218   { CH_PLAYER_3,                "3"                             },
2219   { CH_PLAYER_4,                "4"                             },
2220   { CH_PLAYER_ANY,              "any"                           },
2221
2222   { -1,                         NULL                            }
2223 };
2224
2225 static struct ValueTextInfo options_change_trigger_page[] =
2226 {
2227   { (1u << 0),                  "1"                             },
2228   { (1u << 1),                  "2"                             },
2229   { (1u << 2),                  "3"                             },
2230   { (1u << 3),                  "4"                             },
2231   { (1u << 4),                  "5"                             },
2232   { (1u << 5),                  "6"                             },
2233   { (1u << 6),                  "7"                             },
2234   { (1u << 7),                  "8"                             },
2235   { (1u << 8),                  "9"                             },
2236   { (1u << 9),                  "10"                            },
2237   { (1u << 10),                 "11"                            },
2238   { (1u << 11),                 "12"                            },
2239   { (1u << 12),                 "13"                            },
2240   { (1u << 13),                 "14"                            },
2241   { (1u << 14),                 "15"                            },
2242   { (1u << 15),                 "16"                            },
2243   { (1u << 16),                 "17"                            },
2244   { (1u << 17),                 "18"                            },
2245   { (1u << 18),                 "19"                            },
2246   { (1u << 19),                 "20"                            },
2247   { (1u << 20),                 "21"                            },
2248   { (1u << 21),                 "22"                            },
2249   { (1u << 22),                 "23"                            },
2250   { (1u << 23),                 "24"                            },
2251   { (1u << 24),                 "25"                            },
2252   { (1u << 25),                 "26"                            },
2253   { (1u << 26),                 "27"                            },
2254   { (1u << 27),                 "28"                            },
2255   { (1u << 28),                 "29"                            },
2256   { (1u << 29),                 "30"                            },
2257   { (1u << 30),                 "31"                            },
2258   { (1u << 31),                 "32"                            },
2259   { CH_PAGE_ANY,                "any"                           },
2260
2261   { -1,                         NULL                            }
2262 };
2263
2264 static struct ValueTextInfo options_change_replace_when[] =
2265 {
2266   { CP_WHEN_EMPTY,              "empty"                         },
2267   { CP_WHEN_WALKABLE,           "walkable"                      },
2268   { CP_WHEN_DIGGABLE,           "diggable"                      },
2269   { CP_WHEN_COLLECTIBLE,        "collectible"                   },
2270   { CP_WHEN_REMOVABLE,          "removable"                     },
2271   { CP_WHEN_DESTRUCTIBLE,       "destructible"                  },
2272
2273   { -1,                         NULL                            }
2274 };
2275
2276 static struct ValueTextInfo options_action_type[] =
2277 {
2278   { CA_NO_ACTION,               "no action"                     },
2279   { CA_UNDEFINED,               " "                             },
2280   { CA_HEADLINE_LEVEL_ACTIONS,  "[level]"                       },
2281   { CA_RESTART_LEVEL,           "restart level"                 },
2282   { CA_SHOW_ENVELOPE,           "show envelope"                 },
2283   { CA_SET_LEVEL_TIME,          "set time"                      },
2284   { CA_SET_LEVEL_SCORE,         "set score"                     },
2285   { CA_SET_LEVEL_GEMS,          "set gems"                      },
2286   { CA_SET_LEVEL_WIND,          "set wind dir."                 },
2287   { CA_SET_LEVEL_RANDOM_SEED,   "set random seed"               },
2288   { CA_UNDEFINED,               " "                             },
2289   { CA_HEADLINE_PLAYER_ACTIONS, "[player]"                      },
2290   { CA_MOVE_PLAYER,             "move player"                   },
2291   { CA_MOVE_PLAYER_NEW,         "move player new"               },
2292   { CA_EXIT_PLAYER,             "exit player"                   },
2293   { CA_KILL_PLAYER,             "kill player"                   },
2294   { CA_SET_PLAYER_KEYS,         "set keys"                      },
2295   { CA_SET_PLAYER_SPEED,        "set speed"                     },
2296   { CA_SET_PLAYER_SHIELD,       "set shield"                    },
2297   { CA_SET_PLAYER_GRAVITY,      "set gravity"                   },
2298   { CA_SET_PLAYER_ARTWORK,      "set artwork"                   },
2299   { CA_SET_PLAYER_INVENTORY,    "set inventory"                 },
2300   { CA_UNDEFINED,               " "                             },
2301   { CA_HEADLINE_CE_ACTIONS,     "[CE]"                          },
2302   { CA_SET_CE_VALUE,            "set CE value"                  },
2303   { CA_SET_CE_SCORE,            "set CE score"                  },
2304   { CA_SET_CE_ARTWORK,          "set CE artwork"                },
2305   { CA_UNDEFINED,               " "                             },
2306   { CA_HEADLINE_ENGINE_ACTIONS, "[engine]"                      },
2307   { CA_SET_ENGINE_SCAN_MODE,    "set scan mode"                 },
2308
2309   { -1,                         NULL                            }
2310 };
2311
2312 static struct ValueTextInfo options_action_mode_none[] =
2313 {
2314   { CA_MODE_UNDEFINED,          " "                             },
2315
2316   { -1,                         NULL                            }
2317 };
2318
2319 static struct ValueTextInfo options_action_mode_assign[] =
2320 {
2321   { CA_MODE_SET,                "="                             },
2322
2323   { -1,                         NULL                            }
2324 };
2325
2326 static struct ValueTextInfo options_action_mode_add_remove[] =
2327 {
2328   { CA_MODE_ADD,                "+"                             },
2329   { CA_MODE_SUBTRACT,           "-"                             },
2330
2331   { -1,                         NULL                            }
2332 };
2333
2334 static struct ValueTextInfo options_action_mode_calculate[] =
2335 {
2336   { CA_MODE_SET,                "="                             },
2337   { CA_MODE_ADD,                "+"                             },
2338   { CA_MODE_SUBTRACT,           "-"                             },
2339   { CA_MODE_MULTIPLY,           "*"                             },
2340   { CA_MODE_DIVIDE,             "/"                             },
2341   { CA_MODE_MODULO,             "%"                             },
2342
2343   { -1,                         NULL                            }
2344 };
2345
2346 static struct ValueTextInfo options_action_arg_none[] =
2347 {
2348   { CA_ARG_UNDEFINED,           "         "                     },
2349
2350   { -1,                         NULL                            }
2351 };
2352
2353 static struct ValueTextInfo options_action_arg_player[] =
2354 {
2355   { CA_ARG_PLAYER_HEADLINE,     "[player]"                      },
2356   { CA_ARG_PLAYER_1,            "1"                             },
2357   { CA_ARG_PLAYER_2,            "2"                             },
2358   { CA_ARG_PLAYER_3,            "3"                             },
2359   { CA_ARG_PLAYER_4,            "4"                             },
2360   { CA_ARG_PLAYER_ANY,          "any"                           },
2361   { CA_ARG_PLAYER_TRIGGER,      "trigger"                       },
2362   { CA_ARG_PLAYER_ACTION,       "action ->"                     },
2363
2364   { -1,                         NULL                            }
2365 };
2366
2367 static struct ValueTextInfo options_action_arg_number[] =
2368 {
2369   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2370   { CA_ARG_0,                   "0"                             },
2371   { CA_ARG_1,                   "1"                             },
2372   { CA_ARG_2,                   "2"                             },
2373   { CA_ARG_3,                   "3"                             },
2374   { CA_ARG_4,                   "4"                             },
2375   { CA_ARG_5,                   "5"                             },
2376   { CA_ARG_10,                  "10"                            },
2377   { CA_ARG_100,                 "100"                           },
2378   { CA_ARG_1000,                "1000"                          },
2379   { CA_ARG_UNDEFINED,           " "                             },
2380   { CA_ARG_NUMBER_MIN,          "min"                           },
2381   { CA_ARG_NUMBER_MAX,          "max"                           },
2382   { CA_ARG_UNDEFINED,           " "                             },
2383   { CA_ARG_NUMBER_RESET,        "reset"                         },
2384   { CA_ARG_UNDEFINED,           " "                             },
2385   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2386   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2387   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2388   { CA_ARG_UNDEFINED,           " "                             },
2389   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2390   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2391   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2392   { CA_ARG_UNDEFINED,           " "                             },
2393   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2394   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2395   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2396   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2397   { CA_ARG_UNDEFINED,           " "                             },
2398   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2399   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2400   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2401   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2402
2403   { -1,                         NULL                            }
2404 };
2405
2406 static struct ValueTextInfo options_action_arg_value[] =
2407 {
2408   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2409   { CA_ARG_0,                   "0"                             },
2410   { CA_ARG_1,                   "1"                             },
2411   { CA_ARG_2,                   "2"                             },
2412   { CA_ARG_3,                   "3"                             },
2413   { CA_ARG_4,                   "4"                             },
2414   { CA_ARG_5,                   "5"                             },
2415   { CA_ARG_10,                  "10"                            },
2416   { CA_ARG_100,                 "100"                           },
2417   { CA_ARG_1000,                "1000"                          },
2418   { CA_ARG_UNDEFINED,           " "                             },
2419   { CA_ARG_NUMBER_MIN,          "min"                           },
2420   { CA_ARG_NUMBER_MAX,          "max"                           },
2421   { CA_ARG_UNDEFINED,           " "                             },
2422   { CA_ARG_NUMBER_RESET,        "reset"                         },
2423   { CA_ARG_UNDEFINED,           " "                             },
2424   { CA_ARG_NUMBER_CE_VALUE,     "CE value"                      },
2425   { CA_ARG_NUMBER_CE_SCORE,     "CE score"                      },
2426   { CA_ARG_NUMBER_CE_DELAY,     "CE delay"                      },
2427   { CA_ARG_UNDEFINED,           " "                             },
2428   { CA_ARG_NUMBER_LEVEL_TIME,   "time"                          },
2429   { CA_ARG_NUMBER_LEVEL_GEMS,   "gems"                          },
2430   { CA_ARG_NUMBER_LEVEL_SCORE,  "score"                         },
2431   { CA_ARG_UNDEFINED,           " "                             },
2432   { CA_ARG_ELEMENT_CV_HEADLINE, "[CE value]"                    },
2433   { CA_ARG_ELEMENT_CV_TARGET,   "target"                        },
2434   { CA_ARG_ELEMENT_CV_TRIGGER,  "trigger"                       },
2435   { CA_ARG_ELEMENT_CV_ACTION,   "action ->"                     },
2436   { CA_ARG_UNDEFINED,           " "                             },
2437   { CA_ARG_ELEMENT_CS_HEADLINE, "[CE score]"                    },
2438   { CA_ARG_ELEMENT_CS_TARGET,   "target"                        },
2439   { CA_ARG_ELEMENT_CS_TRIGGER,  "trigger"                       },
2440   { CA_ARG_ELEMENT_CS_ACTION,   "action ->"                     },
2441   { CA_ARG_UNDEFINED,           " "                             },
2442   { CA_ARG_ELEMENT_NR_HEADLINE, "[element]"                     },
2443   { CA_ARG_ELEMENT_NR_TARGET,   "target"                        },
2444   { CA_ARG_ELEMENT_NR_TRIGGER,  "trigger"                       },
2445   { CA_ARG_ELEMENT_NR_ACTION,   "action ->"                     },
2446
2447   { -1,                         NULL                            }
2448 };
2449
2450 static struct ValueTextInfo options_action_arg_envelope[] =
2451 {
2452   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2453   { CA_ARG_1,                   "1"                             },
2454   { CA_ARG_2,                   "2"                             },
2455   { CA_ARG_3,                   "3"                             },
2456   { CA_ARG_4,                   "4"                             },
2457   { CA_ARG_UNDEFINED,           " "                             },
2458   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2459   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2460   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2461   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2462
2463   { -1,                         NULL                            }
2464 };
2465
2466 static struct ValueTextInfo options_action_arg_key[] =
2467 {
2468   { CA_ARG_NUMBER_HEADLINE,     "[number]"                      },
2469   { CA_ARG_1,                   "1"                             },
2470   { CA_ARG_2,                   "2"                             },
2471   { CA_ARG_3,                   "3"                             },
2472   { CA_ARG_4,                   "4"                             },
2473   { CA_ARG_5,                   "5"                             },
2474   { CA_ARG_6,                   "6"                             },
2475   { CA_ARG_7,                   "7"                             },
2476   { CA_ARG_8,                   "8"                             },
2477   { CA_ARG_UNDEFINED,           " "                             },
2478   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2479   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2480   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2481   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2482
2483   { -1,                         NULL                            }
2484 };
2485
2486 static struct ValueTextInfo options_action_arg_speed[] =
2487 {
2488   { CA_ARG_SPEED_HEADLINE,      "[speed]"                       },
2489   { CA_ARG_SPEED_NOT_MOVING,    "frozen"                        },
2490   { CA_ARG_SPEED_VERY_SLOW,     "very slow"                     },
2491   { CA_ARG_SPEED_SLOW,          "slow"                          },
2492   { CA_ARG_SPEED_NORMAL,        "normal"                        },
2493   { CA_ARG_SPEED_FAST,          "fast"                          },
2494   { CA_ARG_SPEED_VERY_FAST,     "very fast"                     },
2495   { CA_ARG_SPEED_EVEN_FASTER,   "ultrafast"                     },
2496   { CA_ARG_UNDEFINED,           " "                             },
2497   { CA_ARG_SPEED_SLOWER,        "slower"                        },
2498   { CA_ARG_SPEED_FASTER,        "faster"                        },
2499   { CA_ARG_UNDEFINED,           " "                             },
2500   { CA_ARG_SPEED_RESET,         "reset"                         },
2501
2502   { -1,                         NULL                            }
2503 };
2504
2505 static struct ValueTextInfo options_action_arg_shield[] =
2506 {
2507   { CA_ARG_SHIELD_HEADLINE,     "[shield]"                      },
2508   { CA_ARG_SHIELD_OFF,          "off"                           },
2509   { CA_ARG_SHIELD_NORMAL,       "normal"                        },
2510   { CA_ARG_SHIELD_DEADLY,       "deadly"                        },
2511
2512   { -1,                         NULL                            }
2513 };
2514
2515 static struct ValueTextInfo options_action_arg_artwork[] =
2516 {
2517   { CA_ARG_ELEMENT_HEADLINE,    "[element]"                     },
2518   { CA_ARG_ELEMENT_TARGET,      "target"                        },
2519   { CA_ARG_ELEMENT_TRIGGER,     "trigger"                       },
2520   { CA_ARG_ELEMENT_ACTION,      "action ->"                     },
2521   { CA_ARG_UNDEFINED,           " "                             },
2522   { CA_ARG_ELEMENT_RESET,       "reset"                         },
2523
2524   { -1,                         NULL                            }
2525 };
2526
2527 static struct ValueTextInfo options_action_arg_gravity[] =
2528 {
2529   { CA_ARG_GRAVITY_HEADLINE,    "[gravity]"                     },
2530   { CA_ARG_GRAVITY_ON,          "on"                            },
2531   { CA_ARG_GRAVITY_OFF,         "off"                           },
2532   { CA_ARG_GRAVITY_TOGGLE,      "toggle"                        },
2533
2534   { -1,                         NULL                            }
2535 };
2536
2537 static struct ValueTextInfo options_action_arg_direction[] =
2538 {
2539   { CA_ARG_DIRECTION_HEADLINE,  "[dir.]"                        },
2540   { CA_ARG_DIRECTION_NONE,      "none"                          },
2541   { CA_ARG_DIRECTION_LEFT,      "left"                          },
2542   { CA_ARG_DIRECTION_RIGHT,     "right"                         },
2543   { CA_ARG_DIRECTION_UP,        "up"                            },
2544   { CA_ARG_DIRECTION_DOWN,      "down"                          },
2545   { CA_ARG_DIRECTION_TRIGGER,   "trigger"                       },
2546   { CA_ARG_DIRECTION_TRIGGER_BACK, "-trigger"                   },
2547
2548   { -1,                         NULL                            }
2549 };
2550
2551 static struct ValueTextInfo options_action_arg_scan_mode[] =
2552 {
2553   { CA_ARG_SCAN_MODE_HEADLINE,  "[mode]"                        },
2554   { CA_ARG_SCAN_MODE_NORMAL,    "normal"                        },
2555   { CA_ARG_SCAN_MODE_REVERSE,   "reverse"                       },
2556
2557   { -1,                         NULL                            }
2558 };
2559
2560 static struct ValueTextInfo options_action_arg_inventory[] =
2561 {
2562   { CA_ARG_INVENTORY_HEADLINE,  "[add]"                         },
2563   { CA_ARG_ELEMENT_TARGET,      "+ target"                      },
2564   { CA_ARG_ELEMENT_TRIGGER,     "+ trigger"                     },
2565   { CA_ARG_ELEMENT_ACTION,      "+ action"                      },
2566   { CA_ARG_UNDEFINED,           " "                             },
2567   { CA_ARG_INVENTORY_RM_HEADLINE,"[remove]"                     },
2568   { CA_ARG_INVENTORY_RM_TARGET, "- target"                      },
2569   { CA_ARG_INVENTORY_RM_TRIGGER,"- trigger"                     },
2570   { CA_ARG_INVENTORY_RM_ACTION, "- action"                      },
2571   { CA_ARG_INVENTORY_RM_FIRST,  "- first"                       },
2572   { CA_ARG_INVENTORY_RM_LAST,   "- last"                        },
2573   { CA_ARG_INVENTORY_RM_ALL,    "- all"                         },
2574   { CA_ARG_UNDEFINED,           " "                             },
2575   { CA_ARG_INVENTORY_RESET,     "reset"                         },
2576
2577   { -1,                         NULL                            }
2578 };
2579
2580 static char options_change_page_strings[MAX_CHANGE_PAGES][10];
2581 static struct ValueTextInfo options_change_page[MAX_CHANGE_PAGES + 1] =
2582 {
2583   { -1,                         NULL                            }
2584 };
2585
2586 static struct ValueTextInfo options_group_choice_mode[] =
2587 {
2588   { ANIM_RANDOM,                "random"                        },
2589   { ANIM_LOOP,                  "loop"                          },
2590   { ANIM_LINEAR,                "linear"                        },
2591   { ANIM_PINGPONG,              "pingpong"                      },
2592   { ANIM_PINGPONG2,             "pingpong 2"                    },
2593   { ANIM_LEVEL_NR,              "level number"                  },
2594
2595   { -1,                         NULL                            }
2596 };
2597
2598 static struct ValueTextInfo options_bd_scheduling_type[] =
2599 {
2600   { GD_SCHEDULING_MILLISECONDS,   "Milliseconds"                },
2601   { GD_SCHEDULING_BD1,            "BD1"                         },
2602   { GD_SCHEDULING_BD2,            "BD2"                         },
2603   { GD_SCHEDULING_PLCK,           "Construction Kit"            },
2604   { GD_SCHEDULING_CRDR,           "Crazy Dream 7"               },
2605   { GD_SCHEDULING_BD1_ATARI,      "Atari BD1"                   },
2606   { GD_SCHEDULING_BD2_PLCK_ATARI, "Atari BD2 / PLCK"            },
2607
2608   { -1,                           NULL                          }
2609 };
2610
2611 static struct ValueTextInfo *action_arg_modes[] =
2612 {
2613   options_action_mode_none,
2614   options_action_mode_assign,
2615   options_action_mode_add_remove,
2616   options_action_mode_calculate,
2617 };
2618
2619 static struct
2620 {
2621   int value;
2622   int mode;
2623   struct ValueTextInfo *options;
2624 }
2625 action_arg_options[] =
2626 {
2627   { CA_NO_ACTION,               0,      options_action_arg_none,        },
2628   { CA_EXIT_PLAYER,             0,      options_action_arg_player,      },
2629   { CA_KILL_PLAYER,             0,      options_action_arg_player,      },
2630   { CA_MOVE_PLAYER,             0,      options_action_arg_direction,   },
2631   { CA_MOVE_PLAYER_NEW,         0,      options_action_arg_direction,   },
2632   { CA_RESTART_LEVEL,           0,      options_action_arg_none,        },
2633   { CA_SHOW_ENVELOPE,           0,      options_action_arg_envelope,    },
2634   { CA_SET_LEVEL_TIME,          3,      options_action_arg_number,      },
2635   { CA_SET_LEVEL_GEMS,          3,      options_action_arg_number,      },
2636   { CA_SET_LEVEL_SCORE,         3,      options_action_arg_number,      },
2637   { CA_SET_LEVEL_WIND,          1,      options_action_arg_direction,   },
2638   { CA_SET_LEVEL_RANDOM_SEED,   1,      options_action_arg_number,      },
2639   { CA_SET_PLAYER_KEYS,         2,      options_action_arg_key,         },
2640   { CA_SET_PLAYER_SPEED,        1,      options_action_arg_speed,       },
2641   { CA_SET_PLAYER_SHIELD,       1,      options_action_arg_shield,      },
2642   { CA_SET_PLAYER_GRAVITY,      1,      options_action_arg_gravity,     },
2643   { CA_SET_PLAYER_ARTWORK,      1,      options_action_arg_artwork,     },
2644   { CA_SET_PLAYER_INVENTORY,    0,      options_action_arg_inventory,   },
2645   { CA_SET_CE_VALUE,            3,      options_action_arg_value,       },
2646   { CA_SET_CE_SCORE,            3,      options_action_arg_value,       },
2647   { CA_SET_CE_ARTWORK,          1,      options_action_arg_artwork,     },
2648   { CA_SET_ENGINE_SCAN_MODE,    1,      options_action_arg_scan_mode,   },
2649
2650   { -1,                         FALSE,  NULL                            }
2651 };
2652
2653 static struct
2654 {
2655   int gadget_type_id;
2656   int x, y;
2657   int gadget_id;
2658   int gadget_id_align;
2659   int size;     // char size of selectbox or '-1' (dynamically determined)
2660   struct ValueTextInfo *options;
2661   int *value;
2662   char *text_above, *text_left, *text_right, *infotext;
2663 } selectbox_info[ED_NUM_SELECTBOX] =
2664 {
2665   // ---------- level and editor settings -------------------------------------
2666
2667   {
2668     ED_SELECTBOX_ID_TIME_OR_STEPS,
2669     -1,                                 ED_LEVEL_SETTINGS_YPOS(8),
2670     GADGET_ID_TIME_OR_STEPS,            GADGET_ID_LEVEL_TIMELIMIT_UP,
2671     -1,
2672     options_time_or_steps,
2673     &level.use_step_counter,
2674     NULL, NULL, "(0 => no limit)",      "time or step limit"
2675   },
2676   {
2677     ED_SELECTBOX_ID_TIME_SCORE_BASE,
2678     -1,                                 ED_LEVEL_SETTINGS_YPOS(10),
2679     GADGET_ID_TIME_SCORE_BASE,          GADGET_ID_LEVEL_TIMESCORE_UP,
2680     -1,
2681     options_time_score_base,
2682     &level.time_score_base,
2683     NULL, NULL, NULL,                   "time score for 1 or 10 seconds/steps"
2684   },
2685   {
2686     ED_SELECTBOX_ID_GAME_ENGINE_TYPE,
2687     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(12),
2688     GADGET_ID_GAME_ENGINE_TYPE,         GADGET_ID_NONE,
2689     -1,
2690     options_game_engine_type,
2691     &level.game_engine_type,
2692     NULL, "game engine:", NULL,         "game engine"
2693   },
2694   {
2695     ED_SELECTBOX_ID_BD_SCHEDULING_TYPE,
2696     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
2697     GADGET_ID_BD_SCHEDULING_TYPE,       GADGET_ID_NONE,
2698     -1,
2699     options_bd_scheduling_type,
2700     &level.bd_scheduling_type,
2701     NULL, "scheduling type:", NULL,     "level timing"
2702   },
2703   {
2704     ED_SELECTBOX_ID_LEVELSET_SAVE_MODE,
2705     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
2706     GADGET_ID_LEVELSET_SAVE_MODE,       GADGET_ID_NONE,
2707     -1,
2708     options_levelset_save_mode,
2709     &levelset_save_mode,
2710     "Action:", NULL, NULL,              "action when saving level set"
2711   },
2712
2713   // ---------- element settings: configure (several elements) ----------------
2714
2715   {
2716     ED_SELECTBOX_ID_WIND_DIRECTION,
2717     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
2718     GADGET_ID_WIND_DIRECTION,           GADGET_ID_NONE,
2719     -1,
2720     options_wind_direction,
2721     &level.wind_direction_initial,
2722     NULL, "initial wind direction:", NULL,      "initial wind direction"
2723   },
2724   {
2725     ED_SELECTBOX_ID_PLAYER_SPEED,
2726     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(7),
2727     GADGET_ID_PLAYER_SPEED,             GADGET_ID_NONE,
2728     -1,
2729     options_player_speed,
2730     &level.initial_player_stepsize[0],
2731     NULL, "initial player speed:", NULL,        "initial player speed"
2732   },
2733   {
2734     ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE,
2735     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2736     GADGET_ID_MM_BALL_CHOICE_MODE,      GADGET_ID_NONE,
2737     -1,
2738     options_group_choice_mode,
2739     &level.mm_ball_choice_mode,
2740     NULL, "choice type:", NULL,         "type of content choice"
2741   },
2742
2743   // ---------- element settings: configure 1 (custom elements) ---------------
2744
2745   {
2746     ED_SELECTBOX_ID_CUSTOM_ACCESS_TYPE,
2747     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2748     GADGET_ID_CUSTOM_ACCESS_TYPE,       GADGET_ID_NONE,
2749     -1,
2750     options_access_type,
2751     &custom_element.access_type,
2752     NULL, NULL, NULL,                   "type of access to this field"
2753   },
2754   {
2755     ED_SELECTBOX_ID_CUSTOM_ACCESS_LAYER,
2756     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2757     GADGET_ID_CUSTOM_ACCESS_LAYER,      GADGET_ID_CUSTOM_ACCESS_TYPE,
2758     -1,
2759     options_access_layer,
2760     &custom_element.access_layer,
2761     NULL, NULL, NULL,                   "layer of access for this field"
2762   },
2763   {
2764     ED_SELECTBOX_ID_CUSTOM_ACCESS_PROTECTED,
2765     -1,                                 ED_ELEMENT_SETTINGS_YPOS(2),
2766     GADGET_ID_CUSTOM_ACCESS_PROTECTED,  GADGET_ID_CUSTOM_ACCESS_LAYER,
2767     -1,
2768     options_access_protected,
2769     &custom_element.access_protected,
2770     NULL, NULL, NULL,                   "protected access for this field"
2771   },
2772   {
2773     ED_SELECTBOX_ID_CUSTOM_ACCESS_DIRECTION,
2774     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2775     GADGET_ID_CUSTOM_ACCESS_DIRECTION,  GADGET_ID_NONE,
2776     -1,
2777     options_access_direction,
2778     &custom_element.access_direction,
2779     NULL, "from", NULL,                 "access direction for this field"
2780   },
2781   {
2782     ED_SELECTBOX_ID_CUSTOM_WALK_TO_ACTION,
2783     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2784     GADGET_ID_CUSTOM_WALK_TO_ACTION,    GADGET_ID_NONE,
2785     -1,
2786     options_walk_to_action,
2787     &custom_element.walk_to_action,
2788     NULL, NULL, NULL,                   "diggable/collectible/pushable"
2789   },
2790
2791   // ---------- element settings: configure 2 (custom elements) ---------------
2792
2793   {
2794     ED_SELECTBOX_ID_CUSTOM_MOVE_PATTERN,
2795     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(1),
2796     GADGET_ID_CUSTOM_MOVE_PATTERN,      GADGET_ID_NONE,
2797     -1,
2798     options_move_pattern,
2799     &custom_element.move_pattern,
2800     NULL, "can move", NULL,             "element move pattern"
2801   },
2802   {
2803     ED_SELECTBOX_ID_CUSTOM_MOVE_DIRECTION,
2804     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
2805     GADGET_ID_CUSTOM_MOVE_DIRECTION,    GADGET_ID_NONE,
2806     -1,
2807     options_move_direction,
2808     &custom_element.move_direction_initial,
2809     NULL, "starts moving", NULL,        "initial element move direction"
2810   },
2811   {
2812     ED_SELECTBOX_ID_CUSTOM_MOVE_STEPSIZE,
2813     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
2814     GADGET_ID_CUSTOM_MOVE_STEPSIZE,     GADGET_ID_NONE,
2815     -1,
2816     options_move_stepsize,
2817     &custom_element.move_stepsize,
2818     NULL, "move/fall speed", NULL,      "speed of element movement"
2819   },
2820   {
2821     ED_SELECTBOX_ID_CUSTOM_MOVE_LEAVE_TYPE,
2822     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(3),
2823     GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,   GADGET_ID_NONE,
2824     -1,
2825     options_move_leave_type,
2826     &custom_element.move_leave_type,
2827     // left text with leading spaces to place gadget next to "can dig" gadget
2828     // (needed because drawing area gadgets created after selectbox gadgets)
2829     // NULL, "can dig:    can", ":",    "leave behind or change element"
2830     NULL, "            can", ":",       "leave behind or change element"
2831   },
2832   {
2833     ED_SELECTBOX_ID_CUSTOM_SMASH_TARGETS,
2834     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
2835     GADGET_ID_CUSTOM_SMASH_TARGETS,     GADGET_ID_CUSTOM_CAN_SMASH,
2836     -1,
2837     options_smash_targets,
2838     &custom_element.smash_targets,
2839     NULL, "can smash", NULL,            "elements that can be smashed"
2840   },
2841   {
2842     ED_SELECTBOX_ID_CUSTOM_SLIPPERY_TYPE,
2843     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
2844     GADGET_ID_CUSTOM_SLIPPERY_TYPE,     GADGET_ID_NONE,
2845     -1,
2846     options_slippery_type,
2847     &custom_element.slippery_type,
2848     NULL, "slippery", NULL,             "where other elements fall down"
2849   },
2850   {
2851     ED_SELECTBOX_ID_CUSTOM_DEADLINESS,
2852     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(10),
2853     GADGET_ID_CUSTOM_DEADLINESS,        GADGET_ID_NONE,
2854     -1,
2855     options_deadliness,
2856     &custom_element.deadliness,
2857     NULL, "deadly when", NULL,          "deadliness of element"
2858   },
2859   {
2860     ED_SELECTBOX_ID_CUSTOM_EXPLOSION_TYPE,
2861     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(11),
2862     GADGET_ID_CUSTOM_EXPLOSION_TYPE,    GADGET_ID_NONE,
2863     -1,
2864     options_explosion_type,
2865     &custom_element.explosion_type,
2866     NULL, "can explode", NULL,          "explosion type"
2867   },
2868
2869   // ---------- element settings: advanced (custom elements) ------------------
2870
2871   {
2872     ED_SELECTBOX_ID_CHANGE_TIME_UNITS,
2873     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(3),
2874     GADGET_ID_CHANGE_TIME_UNITS,        GADGET_ID_NONE,
2875     -1,
2876     options_time_units,
2877     &custom_element_change.delay_frames,
2878     NULL, "delay time given in", NULL,  "delay time units for change"
2879   },
2880   {
2881     ED_SELECTBOX_ID_CHANGE_DIRECT_ACTION,
2882     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(4),
2883     GADGET_ID_CHANGE_DIRECT_ACTION,     GADGET_ID_NONE,
2884     -1,
2885     options_change_direct_action,
2886     &custom_element_change.direct_action,
2887     NULL, NULL, NULL,                   "type of direct action"
2888   },
2889   {
2890     ED_SELECTBOX_ID_CHANGE_OTHER_ACTION,
2891     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(5),
2892     GADGET_ID_CHANGE_OTHER_ACTION,      GADGET_ID_NONE,
2893     -1,
2894     options_change_other_action,
2895     &custom_element_change.other_action,
2896     NULL, NULL, "element:",             "type of other element action"
2897   },
2898   {
2899     ED_SELECTBOX_ID_CHANGE_SIDE,
2900     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(6),
2901     GADGET_ID_CHANGE_SIDE,              GADGET_ID_NONE,
2902     -1,
2903     options_change_trigger_side,
2904     &custom_element_change.trigger_side,
2905     NULL, "at", "side",                 "element side triggering change"
2906   },
2907   {
2908     ED_SELECTBOX_ID_CHANGE_PLAYER,
2909     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2910     GADGET_ID_CHANGE_PLAYER,            GADGET_ID_NONE,
2911     -1,
2912     options_change_trigger_player,
2913     &custom_element_change.trigger_player,
2914     NULL, "player:", " ",               "player that causes change"
2915   },
2916   {
2917     ED_SELECTBOX_ID_CHANGE_PAGE,
2918     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(7),
2919     GADGET_ID_CHANGE_PAGE,              GADGET_ID_CHANGE_PLAYER,
2920     -1,
2921     options_change_trigger_page,
2922     &custom_element_change.trigger_page,
2923     NULL, "page:", NULL,                "change page that causes change"
2924   },
2925   {
2926     ED_SELECTBOX_ID_CHANGE_REPLACE_WHEN,
2927     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(10),
2928     GADGET_ID_CHANGE_REPLACE_WHEN,      GADGET_ID_NONE,
2929     -1,
2930     options_change_replace_when,
2931     &custom_element_change.replace_when,
2932     NULL, "replace when", NULL,         "which elements can be replaced"
2933   },
2934   {
2935     ED_SELECTBOX_ID_ACTION_TYPE,
2936     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(13),
2937     GADGET_ID_ACTION_TYPE,              GADGET_ID_NONE,
2938     15,
2939     options_action_type,
2940     &custom_element_change.action_type,
2941     NULL, NULL, NULL,                   "action on specified condition"
2942   },
2943   {
2944     ED_SELECTBOX_ID_ACTION_MODE,
2945     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2946     GADGET_ID_ACTION_MODE,              GADGET_ID_ACTION_TYPE,
2947     -1,
2948     options_action_mode_none,
2949     &custom_element_change.action_mode,
2950     NULL, NULL, NULL,                   "action operator"
2951   },
2952   {
2953     ED_SELECTBOX_ID_ACTION_ARG,
2954     -1,                                 ED_ELEMENT_SETTINGS_YPOS(13),
2955     GADGET_ID_ACTION_ARG,               GADGET_ID_ACTION_MODE,
2956     -1,
2957     options_action_arg_none,
2958     &custom_element_change.action_arg,
2959     NULL, NULL, NULL,                   "action parameter"
2960   },
2961   {
2962     ED_SELECTBOX_ID_SELECT_CHANGE_PAGE,
2963     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(14),
2964     GADGET_ID_SELECT_CHANGE_PAGE,       GADGET_ID_NONE,
2965     3,
2966     options_change_page,
2967     &custom_element.current_change_page,
2968     NULL, NULL, NULL,                   "element change page"
2969   },
2970
2971   // ---------- element settings: configure (group elements) ------------------
2972
2973   {
2974     ED_SELECTBOX_ID_GROUP_CHOICE_MODE,
2975     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
2976     GADGET_ID_GROUP_CHOICE_MODE,        GADGET_ID_NONE,
2977     -1,
2978     options_group_choice_mode,
2979     &group_element_info.choice_mode,
2980     NULL, "choice type:", NULL,         "type of group element choice"
2981   },
2982 };
2983
2984 static struct
2985 {
2986   int gadget_type_id;
2987   int x, y;
2988   int gadget_id;
2989   int gadget_id_align;
2990   int size;
2991   char *text;
2992   char *text_above, *text_left, *text_right, *infotext;
2993 } textbutton_info[ED_NUM_TEXTBUTTONS] =
2994 {
2995   // ---------- level and editor settings (tabs) ------------------------------
2996
2997   {
2998     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL,
2999     ED_LEVEL_TABS_XPOS(0),              ED_LEVEL_TABS_YPOS(0),
3000     GADGET_ID_LEVELCONFIG_LEVEL,        GADGET_ID_NONE,
3001     8,                                  "Level",
3002     NULL, NULL, NULL,                   "Configure level settings"
3003   },
3004   {
3005     ED_TEXTBUTTON_ID_LEVELCONFIG_LEVELSET,
3006     -1,                                 -1,
3007     GADGET_ID_LEVELCONFIG_LEVELSET,     GADGET_ID_LEVELCONFIG_LEVEL,
3008     8,                                  "Levelset",
3009     NULL, NULL, NULL,                   "Update this or create new level set"
3010   },
3011   {
3012     ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR,
3013     -1,                                 -1,
3014     GADGET_ID_LEVELCONFIG_EDITOR,       GADGET_ID_LEVELCONFIG_LEVELSET,
3015     8,                                  "Editor",
3016     NULL, NULL, NULL,                   "Configure editor settings"
3017   },
3018   {
3019     ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE,
3020     -1,                                 -1,
3021     GADGET_ID_LEVELCONFIG_ENGINE,       GADGET_ID_LEVELCONFIG_EDITOR,
3022     8,                                  "Engine",
3023     NULL, NULL, NULL,                   "Configure engine settings"
3024   },
3025
3026   // ---------- element settings (tabs) ---------------------------------------
3027
3028   {
3029     ED_TEXTBUTTON_ID_PROPERTIES_INFO,
3030     ED_ELEMENT_TABS_XPOS(0),            ED_ELEMENT_TABS_YPOS(0),
3031     GADGET_ID_PROPERTIES_INFO,          GADGET_ID_NONE,
3032     8,                                  "Info",
3033     NULL, NULL, NULL,                   "Show information about element"
3034   },
3035   {
3036     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG,
3037     -1,                                 -1,
3038     GADGET_ID_PROPERTIES_CONFIG,        GADGET_ID_PROPERTIES_INFO,
3039     8,                                  "Config",
3040     NULL, NULL, NULL,                   "Configure element properties"
3041   },
3042   {
3043     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_1,
3044     -1,                                 -1,
3045     GADGET_ID_PROPERTIES_CONFIG_1,      GADGET_ID_PROPERTIES_INFO,
3046     8,                                  "Config 1",
3047     NULL, NULL, NULL,                   "Configure element properties, part 1"
3048   },
3049   {
3050     ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2,
3051     -1,                                 -1,
3052     GADGET_ID_PROPERTIES_CONFIG_2,      GADGET_ID_PROPERTIES_CONFIG_1,
3053     8,                                  "Config 2",
3054     NULL, NULL, NULL,                   "Configure element properties, part 2"
3055   },
3056   {
3057     ED_TEXTBUTTON_ID_PROPERTIES_CHANGE,
3058     -1,                                 -1,
3059     GADGET_ID_PROPERTIES_CHANGE,        GADGET_ID_PROPERTIES_CONFIG_2,
3060     8,                                  "Change",
3061     NULL, NULL, NULL,                   "Configure custom element change pages"
3062   },
3063
3064   // ---------- level and editor settings (buttons) ---------------------------
3065
3066   {
3067     ED_TEXTBUTTON_ID_SAVE_LEVELSET,
3068     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(10),
3069     GADGET_ID_SAVE_LEVELSET,            GADGET_ID_LEVELSET_SAVE_MODE,
3070     -1,                                 "Save",
3071     NULL, NULL, NULL,                   "Update or create level set"
3072   },
3073   {
3074     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2,
3075     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3076     GADGET_ID_SAVE_AS_TEMPLATE_2,       GADGET_ID_NONE,
3077     -1,                                 "Save",
3078     NULL, NULL,                         "this level as level template",
3079     "Save current settings as new template"
3080   },
3081
3082   // ---------- element settings (buttons) ------------------------------------
3083
3084   {
3085     ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1,
3086     -1,                                 -1,
3087     GADGET_ID_SAVE_AS_TEMPLATE_1,       GADGET_ID_CUSTOM_USE_TEMPLATE_1,
3088     -1,                                 "Save",
3089     NULL, " ",                          "As Template",
3090     "Save current settings as new template"
3091   },
3092   {
3093     ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE,
3094     -1,                                 -1,
3095     GADGET_ID_ADD_CHANGE_PAGE,          GADGET_ID_PASTE_CHANGE_PAGE,
3096     -1,                                 "New",
3097     NULL, NULL, NULL,                   "Add new change page"
3098   },
3099   {
3100     ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE,
3101     -1,                                 -1,
3102     GADGET_ID_DEL_CHANGE_PAGE,          GADGET_ID_ADD_CHANGE_PAGE,
3103     -1,                                 "Delete",
3104     NULL, NULL, NULL,                   "Delete current change page"
3105   },
3106 };
3107
3108 static struct
3109 {
3110   int gadget_type_id;
3111   int graphic;
3112   int x, y;
3113   int gadget_id;
3114   int gadget_id_align;
3115   char *text_left, *text_right, *infotext;
3116 } graphicbutton_info[ED_NUM_GRAPHICBUTTONS] =
3117 {
3118   {
3119     ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE,
3120     IMG_EDITOR_COUNTER_DOWN,
3121     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3122     GADGET_ID_PREV_CHANGE_PAGE,         GADGET_ID_NONE,
3123     NULL, NULL,                         "select previous change page"
3124   },
3125   {
3126     ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE,
3127     IMG_EDITOR_COUNTER_UP,
3128     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3129     GADGET_ID_NEXT_CHANGE_PAGE,         GADGET_ID_SELECT_CHANGE_PAGE,
3130     NULL, "change page",                "select next change page"
3131   },
3132   {
3133     ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE,
3134     IMG_GFX_EDITOR_BUTTON_CP_COPY,
3135     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3136     GADGET_ID_COPY_CHANGE_PAGE,         GADGET_ID_NEXT_CHANGE_PAGE,
3137     " ", NULL,                          "copy settings from this change page"
3138   },
3139   {
3140     ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE,
3141     IMG_GFX_EDITOR_BUTTON_CP_PASTE,
3142     -1,                                 ED_ELEMENT_SETTINGS_YPOS(14),
3143     GADGET_ID_PASTE_CHANGE_PAGE,        GADGET_ID_COPY_CHANGE_PAGE,
3144     NULL, NULL,                         "paste settings to this change page"
3145   },
3146 };
3147
3148 static struct
3149 {
3150   int x, y;
3151 } scrollbutton_pos[ED_NUM_SCROLLBUTTONS];
3152
3153 static struct
3154 {
3155   int gadget_type_id;
3156   int graphic;
3157   int gadget_id;
3158   char *infotext;
3159 } scrollbutton_info[ED_NUM_SCROLLBUTTONS] =
3160 {
3161   {
3162     ED_SCROLLBUTTON_ID_AREA_UP,
3163     IMG_EDITOR_PLAYFIELD_SCROLL_UP,
3164     GADGET_ID_SCROLL_UP,
3165     "scroll level editing area up"
3166   },
3167   {
3168     ED_SCROLLBUTTON_ID_AREA_DOWN,
3169     IMG_EDITOR_PLAYFIELD_SCROLL_DOWN,
3170     GADGET_ID_SCROLL_DOWN,
3171     "scroll level editing area down"
3172   },
3173   {
3174     ED_SCROLLBUTTON_ID_AREA_LEFT,
3175     IMG_EDITOR_PLAYFIELD_SCROLL_LEFT,
3176     GADGET_ID_SCROLL_LEFT,
3177     "scroll level editing area left"
3178   },
3179   {
3180     ED_SCROLLBUTTON_ID_AREA_RIGHT,
3181     IMG_EDITOR_PLAYFIELD_SCROLL_RIGHT,
3182     GADGET_ID_SCROLL_RIGHT,
3183     "scroll level editing area right"
3184   },
3185   {
3186     ED_SCROLLBUTTON_ID_LIST_UP,
3187     IMG_EDITOR_PALETTE_SCROLL_UP,
3188     GADGET_ID_SCROLL_LIST_UP,
3189     "scroll element list up ('Page Up')"
3190   },
3191   {
3192     ED_SCROLLBUTTON_ID_LIST_DOWN,
3193     IMG_EDITOR_PALETTE_SCROLL_DOWN,
3194     GADGET_ID_SCROLL_LIST_DOWN,
3195     "scroll element list down ('Page Down')"
3196   },
3197 };
3198
3199 static struct
3200 {
3201   int x, y;
3202   int width, height;
3203   int wheel_x, wheel_y;
3204   int wheel_width, wheel_height;
3205 } scrollbar_pos[ED_NUM_SCROLLBARS];
3206
3207 static struct
3208 {
3209   int gadget_type_id;
3210   int graphic;
3211   int type;
3212   int gadget_id;
3213   char *infotext;
3214 } scrollbar_info[ED_NUM_SCROLLBARS] =
3215 {
3216   {
3217     ED_SCROLLBAR_ID_AREA_HORIZONTAL,
3218     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3219     GD_TYPE_SCROLLBAR_HORIZONTAL,
3220     GADGET_ID_SCROLL_HORIZONTAL,
3221     "scroll level editing area horizontally"
3222   },
3223   {
3224     ED_SCROLLBAR_ID_AREA_VERTICAL,
3225     IMG_EDITOR_PLAYFIELD_SCROLLBAR,
3226     GD_TYPE_SCROLLBAR_VERTICAL,
3227     GADGET_ID_SCROLL_VERTICAL,
3228     "scroll level editing area vertically"
3229   },
3230   {
3231     ED_SCROLLBAR_ID_LIST_VERTICAL,
3232     IMG_EDITOR_PALETTE_SCROLLBAR,
3233     GD_TYPE_SCROLLBAR_VERTICAL,
3234     GADGET_ID_SCROLL_LIST_VERTICAL,
3235     "scroll element list vertically"
3236   }
3237 };
3238
3239
3240 static struct
3241 {
3242   int gadget_type_id;
3243   int x, y;
3244   int gadget_id;
3245   int gadget_id_align;
3246   int radio_button_nr;
3247   int *value;
3248   int checked_value;
3249   char *text_left, *text_right, *infotext;
3250 } radiobutton_info[ED_NUM_RADIOBUTTONS] =
3251 {
3252   {
3253     ED_RADIOBUTTON_ID_PERCENTAGE,
3254     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3255     GADGET_ID_RANDOM_PERCENTAGE,        GADGET_ID_LEVEL_RANDOM_UP,
3256     RADIO_NR_RANDOM_ELEMENTS,
3257     &random_placement_method,           RANDOM_USE_PERCENTAGE,
3258     " ", "percentage",                  "use percentage for random elements"
3259   },
3260   {
3261     ED_RADIOBUTTON_ID_QUANTITY,
3262     -1,                                 ED_LEVEL_SETTINGS_YPOS(0),
3263     GADGET_ID_RANDOM_QUANTITY,          GADGET_ID_RANDOM_PERCENTAGE,
3264     RADIO_NR_RANDOM_ELEMENTS,
3265     &random_placement_method,           RANDOM_USE_QUANTITY,
3266     " ", "quantity",                    "use quantity for random elements"
3267   }
3268 };
3269
3270 static struct
3271 {
3272   int gadget_type_id;
3273   int x, y;
3274   int gadget_id;
3275   int gadget_id_align;
3276   boolean *value;
3277   char *text_above, *text_left, *text_right, *infotext;
3278 } checkbutton_info[ED_NUM_CHECKBUTTONS] =
3279 {
3280   // ---------- level and editor settings -------------------------------------
3281
3282   {
3283     ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS,
3284     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3285     GADGET_ID_AUTO_COUNT_GEMS,          GADGET_ID_NONE,
3286     &level.auto_count_gems,
3287     NULL, NULL,
3288     "automatically count gems needed",  "set counter to number of gems"
3289   },
3290   {
3291     ED_CHECKBUTTON_ID_RATE_TIME_OVER_SCORE,
3292     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(11),
3293     GADGET_ID_RATE_TIME_OVER_SCORE,     GADGET_ID_NONE,
3294     &level.rate_time_over_score,
3295     NULL, NULL,
3296     "rate time/steps used over score",  "sort high scores by playing time/steps"
3297   },
3298   {
3299     ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK,
3300     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3301     GADGET_ID_USE_LEVELSET_ARTWORK,     GADGET_ID_NONE,
3302     &levelset_use_levelset_artwork,
3303     NULL, NULL,
3304     "use current custom artwork",       "use custom artwork of this level set"
3305   },
3306   {
3307     ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE,
3308     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3309     GADGET_ID_COPY_LEVEL_TEMPLATE,      GADGET_ID_NONE,
3310     &levelset_copy_level_template,
3311     NULL, NULL,
3312     "copy current level template",      "copy level template of this level set"
3313   },
3314   {
3315     ED_CHECKBUTTON_ID_RANDOM_RESTRICTED,
3316     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(1),
3317     GADGET_ID_RANDOM_RESTRICTED,        GADGET_ID_NONE,
3318     &random_placement_background_restricted,
3319     NULL, NULL,
3320     "restrict random placement to:",    "set random placement restriction"
3321   },
3322   {
3323     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3,
3324     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(4),
3325     GADGET_ID_CUSTOM_USE_TEMPLATE_3,    GADGET_ID_NONE,
3326     &setup.editor.use_template_for_new_levels,
3327     "Template for new levels and CE/GE:", NULL,
3328     "use template for new levels",      "use template for level properties"
3329   },
3330   {
3331     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2,
3332     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(5),
3333     GADGET_ID_CUSTOM_USE_TEMPLATE_2,    GADGET_ID_NONE,
3334     &level.use_custom_template,
3335     NULL, NULL,
3336     "use template for custom elements", "use template for custom properties"
3337   },
3338   {
3339     ED_CHECKBUTTON_ID_BD_INTERMISSION,
3340     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(0),
3341     GADGET_ID_BD_INTERMISSION,          GADGET_ID_NONE,
3342     &level.bd_intermission,
3343     "Boulder Dash game engine settings:", NULL,
3344     "intermission",                     "level is an intermission level"
3345   },
3346   {
3347     ED_CHECKBUTTON_ID_BD_PAL_TIMING,
3348     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(2),
3349     GADGET_ID_BD_PAL_TIMING,            GADGET_ID_NONE,
3350     &level.bd_pal_timing,
3351     NULL, NULL,
3352     "PAL timing",                       "use slower timer (like PAL C64)"
3353   },
3354   {
3355     ED_CHECKBUTTON_ID_BD_LINE_SHIFTING_BORDERS,
3356     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(6),
3357     GADGET_ID_BD_LINE_SHIFTING_BORDERS, GADGET_ID_NONE,
3358     &level.bd_line_shifting_borders,
3359     "Compatibility settings:", NULL,
3360     "line-shifting borders",            "use line-shifting wrap-around"
3361   },
3362   {
3363     ED_CHECKBUTTON_ID_BD_SCAN_FIRST_AND_LAST_ROW,
3364     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(7),
3365     GADGET_ID_BD_SCAN_FIRST_AND_LAST_ROW, GADGET_ID_NONE,
3366     &level.bd_scan_first_and_last_row,
3367     NULL, NULL,
3368     "scan first and last row",          "also process top/bottom border rows"
3369   },
3370   {
3371     ED_CHECKBUTTON_ID_BD_SHORT_EXPLOSIONS,
3372     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(8),
3373     GADGET_ID_BD_SHORT_EXPLOSIONS,      GADGET_ID_NONE,
3374     &level.bd_short_explosions,
3375     NULL, NULL,
3376     "short explosions",                 "use four game cycles for explosions"
3377   },
3378   {
3379     ED_CHECKBUTTON_ID_BD_GRAVITY_AFFECTS_ALL,
3380     ED_LEVEL_SETTINGS_XPOS(0),          ED_LEVEL_SETTINGS_YPOS(9),
3381     GADGET_ID_BD_GRAVITY_AFFECTS_ALL,   GADGET_ID_NONE,
3382     &level.bd_gravity_affects_all,
3383     NULL, NULL,
3384     "gravity change affects everything", "gravity affects all falling objects"
3385   },
3386
3387   // ---------- element settings: configure (various elements) ----------------
3388
3389   {
3390     ED_CHECKBUTTON_ID_STICK_ELEMENT,
3391     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3392     GADGET_ID_STICK_ELEMENT,            GADGET_ID_NONE,
3393     &stick_element_properties_window,
3394     NULL, NULL,
3395     "stick this screen to edit content","stick this screen to edit content"
3396   },
3397   {
3398     ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS,
3399     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3400     GADGET_ID_EM_SLIPPERY_GEMS,         GADGET_ID_NONE,
3401     &level.em_slippery_gems,
3402     NULL, NULL,
3403     "slip down from certain flat walls","use EM/DC style slipping behaviour"
3404   },
3405   {
3406     ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE,
3407     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3408     GADGET_ID_EM_EXPLODES_BY_FIRE,      GADGET_ID_NONE,
3409     &level.em_explodes_by_fire,
3410     NULL, NULL,
3411     "explodes with chain reaction",     "use R'n'D style explosion behaviour"
3412   },
3413   {
3414     ED_CHECKBUTTON_ID_USE_SPRING_BUG,
3415     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3416     GADGET_ID_USE_SPRING_BUG,           GADGET_ID_NONE,
3417     &level.use_spring_bug,
3418     NULL, NULL,
3419     "use spring pushing bug",           "use odd spring pushing behaviour"
3420   },
3421   {
3422     ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG,
3423     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3424     GADGET_ID_USE_TIME_ORB_BUG,         GADGET_ID_NONE,
3425     &level.use_time_orb_bug,
3426     NULL, NULL,
3427     "use time orb bug",                 "use odd time orb behaviour"
3428   },
3429   {
3430     ED_CHECKBUTTON_ID_USE_LIFE_BUGS,
3431     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3432     GADGET_ID_USE_LIFE_BUGS,            GADGET_ID_NONE,
3433     &level.use_life_bugs,
3434     NULL, NULL,
3435     "use buggy element behaviour",      "use odd (historic) element behaviour"
3436   },
3437   {
3438     ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT,
3439     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3440     GADGET_ID_RANDOM_BALL_CONTENT,      GADGET_ID_NONE,
3441     &level.ball_random,
3442     NULL, NULL,
3443     "create single random element",     "only create one element from content"
3444   },
3445   {
3446     ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE,
3447     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3448     GADGET_ID_INITIAL_BALL_ACTIVE,      GADGET_ID_NONE,
3449     &level.ball_active_initial,
3450     NULL, NULL,
3451     "magic ball initially activated",   "activate magic ball after level start"
3452   },
3453   {
3454     ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE,
3455     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3456     GADGET_ID_GROW_INTO_DIGGABLE,       GADGET_ID_NONE,
3457     &level.grow_into_diggable,
3458     NULL, NULL,
3459     "can grow into anything diggable",  "grow into more than just sand"
3460   },
3461   {
3462     ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED,
3463     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3464     GADGET_ID_SB_FIELDS_NEEDED,         GADGET_ID_NONE,
3465     &level.sb_fields_needed,
3466     NULL, NULL,
3467     "all fields need to be filled",     "require all SB fields to be solved"
3468   },
3469   {
3470     ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED,
3471     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3472     GADGET_ID_SB_OBJECTS_NEEDED,        GADGET_ID_NONE,
3473     &level.sb_objects_needed,
3474     NULL, NULL,
3475     "all objects need to be placed",    "require all SB objects to be solved"
3476   },
3477   {
3478     ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN,
3479     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3480     GADGET_ID_AUTO_EXIT_SOKOBAN,        GADGET_ID_NONE,
3481     &level.auto_exit_sokoban,
3482     NULL, NULL,
3483     "exit level if all tasks solved",   "automatically finish Sokoban levels"
3484   },
3485   {
3486     ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER,
3487     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3488     GADGET_ID_SOLVED_BY_ONE_PLAYER,     GADGET_ID_NONE,
3489     &level.solved_by_one_player,
3490     NULL, NULL,
3491     "only one player must enter exit",  "level solved by first player in exit"
3492   },
3493   {
3494     ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT,
3495     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3496     GADGET_ID_FINISH_DIG_COLLECT,       GADGET_ID_NONE,
3497     &level.finish_dig_collect,
3498     NULL, NULL,
3499     "CE action on finished dig/collect", "only finished dig/collect triggers CE"
3500   },
3501   {
3502     ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE,
3503     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3504     GADGET_ID_KEEP_WALKABLE_CE,         GADGET_ID_NONE,
3505     &level.keep_walkable_ce,
3506     NULL, NULL,
3507     "keep walkable CE changed to player", "keep CE changing to player if walkable"
3508   },
3509   {
3510     ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING,
3511     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3512     GADGET_ID_CONTINUOUS_SNAPPING,      GADGET_ID_NONE,
3513     &level.continuous_snapping,
3514     NULL, NULL,
3515     "continuous snapping",              "use snapping without releasing key"
3516   },
3517   {
3518     ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD,
3519     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3520     GADGET_ID_BLOCK_SNAP_FIELD,         GADGET_ID_NONE,
3521     &level.block_snap_field,
3522     NULL, NULL,
3523     "block snapped field when snapping", "use snapping delay to show animation"
3524   },
3525   {
3526     ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD,
3527     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3528     GADGET_ID_BLOCK_LAST_FIELD,         GADGET_ID_NONE,
3529     &level.block_last_field,
3530     NULL, NULL,
3531     "block last field when moving",     "player blocks last field when moving"
3532   },
3533   {
3534     ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD,
3535     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3536     GADGET_ID_SP_BLOCK_LAST_FIELD,      GADGET_ID_NONE,
3537     &level.sp_block_last_field,
3538     NULL, NULL,
3539     "block last field when moving",     "player blocks last field when moving"
3540   },
3541   {
3542     ED_CHECKBUTTON_ID_INSTANT_RELOCATION,
3543     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3544     GADGET_ID_INSTANT_RELOCATION,       GADGET_ID_NONE,
3545     &level.instant_relocation,
3546     NULL, NULL,
3547     "no scrolling when relocating",     "player gets relocated without delay"
3548   },
3549   {
3550     ED_CHECKBUTTON_ID_SHIFTED_RELOCATION,
3551     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3552     GADGET_ID_SHIFTED_RELOCATION,       GADGET_ID_NONE,
3553     &level.shifted_relocation,
3554     NULL, NULL,
3555     "no centering when relocating",     "level not centered after relocation"
3556   },
3557   {
3558     ED_CHECKBUTTON_ID_LAZY_RELOCATION,
3559     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3560     GADGET_ID_LAZY_RELOCATION,          GADGET_ID_NONE,
3561     &level.lazy_relocation,
3562     NULL, NULL,
3563     "only redraw off-screen relocation","no redraw if relocation target visible"
3564   },
3565   {
3566     ED_CHECKBUTTON_ID_USE_START_ELEMENT,
3567     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3568     GADGET_ID_USE_START_ELEMENT,        GADGET_ID_NONE,
3569     &level.use_start_element[0],
3570     NULL, NULL,
3571     "use level start element:",        "start level at this element's position"
3572   },
3573   {
3574     ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT,
3575     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3576     GADGET_ID_USE_ARTWORK_ELEMENT,      GADGET_ID_NONE,
3577     &level.use_artwork_element[0],
3578     NULL, NULL,
3579     "use artwork from element:",        "use player artwork from other element"
3580   },
3581   {
3582     ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT,
3583     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(12),
3584     GADGET_ID_USE_EXPLOSION_ELEMENT,    GADGET_ID_NONE,
3585     &level.use_explosion_element[0],
3586     NULL, NULL,
3587     "use explosion from element:",      "use explosion properties from element"
3588   },
3589   {
3590     ED_CHECKBUTTON_ID_INITIAL_GRAVITY,
3591     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3592     GADGET_ID_INITIAL_GRAVITY,          GADGET_ID_NONE,
3593     &level.initial_player_gravity[0],
3594     NULL, NULL,
3595     "use initial gravity",              "set initial player gravity"
3596   },
3597   {
3598     ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY,
3599     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3600     GADGET_ID_USE_INITIAL_INVENTORY,    GADGET_ID_NONE,
3601     &level.use_initial_inventory[0],
3602     NULL, NULL,
3603     "use initial inventory:",           "use collected elements on level start"
3604   },
3605   {
3606     ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE,
3607     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3608     GADGET_ID_CAN_PASS_TO_WALKABLE,     GADGET_ID_NONE,
3609     &level.can_pass_to_walkable,
3610     NULL, NULL,
3611     "can pass to walkable element",     "player can pass to empty or walkable"
3612   },
3613   {
3614     ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID,
3615     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3616     GADGET_ID_CAN_FALL_INTO_ACID,       GADGET_ID_NONE,
3617     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3618     NULL, NULL,
3619     "can fall into acid (with gravity)","player can fall into acid pool"
3620   },
3621   {
3622     ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID,
3623     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3624     GADGET_ID_CAN_MOVE_INTO_ACID,       GADGET_ID_NONE,
3625     &custom_element_properties[EP_CAN_MOVE_INTO_ACID],
3626     NULL, NULL,
3627     "can move into acid",               "element can move into acid pool"
3628   },
3629   {
3630     ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH,
3631     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3632     GADGET_ID_DONT_COLLIDE_WITH,        GADGET_ID_NONE,
3633     &custom_element_properties[EP_DONT_COLLIDE_WITH],
3634     NULL, NULL,
3635     "deadly when colliding with",       "element is deadly when hitting player"
3636   },
3637   {
3638     ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS,
3639     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(0),
3640     GADGET_ID_BD_DIAGONAL_MOVEMENTS,    GADGET_ID_NONE,
3641     &level.bd_diagonal_movements,
3642     NULL, NULL,
3643     "can move diagonally",              "player can move diagonally"
3644   },
3645   {
3646     ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP,
3647     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3648     GADGET_ID_ENVELOPE_AUTOWRAP,        GADGET_ID_NONE,
3649     &level.envelope[0].autowrap,
3650     NULL, NULL,
3651     "auto-wrap",                        "automatically wrap envelope text"
3652   },
3653   {
3654     ED_CHECKBUTTON_ID_ENVELOPE_CENTERED,
3655     -1,                                 ED_ELEMENT_SETTINGS_YPOS(1),
3656     GADGET_ID_ENVELOPE_CENTERED,        GADGET_ID_ENVELOPE_AUTOWRAP,
3657     &level.envelope[0].centered,
3658     NULL, " ",
3659     "centered",                         "automatically center envelope text"
3660   },
3661   {
3662     ED_CHECKBUTTON_ID_MM_LASER_RED,
3663     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3664     GADGET_ID_MM_LASER_RED,             GADGET_ID_NONE,
3665     &level.mm_laser_red,
3666     "choose color components for laser:", NULL,
3667     "red",                              "use red color components in laser"
3668   },
3669   {
3670     ED_CHECKBUTTON_ID_MM_LASER_GREEN,
3671     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3672     GADGET_ID_MM_LASER_GREEN,           GADGET_ID_NONE,
3673     &level.mm_laser_green,
3674     NULL, NULL,
3675     "green",                            "use green color components in laser"
3676   },
3677   {
3678     ED_CHECKBUTTON_ID_MM_LASER_BLUE,
3679     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3680     GADGET_ID_MM_LASER_BLUE,            GADGET_ID_NONE,
3681     &level.mm_laser_blue,
3682     NULL, NULL,
3683     "blue",                             "use blue color components in laser"
3684   },
3685   {
3686     ED_CHECKBUTTON_ID_DF_LASER_RED,
3687     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3688     GADGET_ID_DF_LASER_RED,             GADGET_ID_NONE,
3689     &level.df_laser_red,
3690     "choose color components for laser:", NULL,
3691     "red",                              "use red color components in laser"
3692   },
3693   {
3694     ED_CHECKBUTTON_ID_DF_LASER_GREEN,
3695     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3696     GADGET_ID_DF_LASER_GREEN,           GADGET_ID_NONE,
3697     &level.df_laser_green,
3698     NULL, NULL,
3699     "green",                            "use green color components in laser"
3700   },
3701   {
3702     ED_CHECKBUTTON_ID_DF_LASER_BLUE,
3703     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(3),
3704     GADGET_ID_DF_LASER_BLUE,            GADGET_ID_NONE,
3705     &level.df_laser_blue,
3706     NULL, NULL,
3707     "blue",                             "use blue color components in laser"
3708   },
3709   {
3710     ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT,
3711     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(5),
3712     GADGET_ID_ROTATE_MM_BALL_CONTENT,   GADGET_ID_NONE,
3713     &level.rotate_mm_ball_content,
3714     NULL, NULL,
3715     "randomly rotate created content",  "randomly rotate newly created content"
3716   },
3717   {
3718     ED_CHECKBUTTON_ID_EXPLODE_MM_BALL,
3719     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(6),
3720     GADGET_ID_EXPLODE_MM_BALL,          GADGET_ID_NONE,
3721     &level.explode_mm_ball,
3722     NULL, NULL,
3723     "explode ball instead of melting",  "use explosion to release ball content"
3724   },
3725
3726   // ---------- element settings: configure 1 (custom elements) ---------------
3727
3728   {
3729     ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC,
3730     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3731     GADGET_ID_CUSTOM_USE_GRAPHIC,       GADGET_ID_NONE,
3732     &custom_element.use_gfx_element,
3733     NULL, NULL,
3734     "use graphic of element:",          "use existing element graphic"
3735   },
3736   {
3737     ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1,
3738     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(14),
3739     GADGET_ID_CUSTOM_USE_TEMPLATE_1,    GADGET_ID_NONE,
3740     &level.use_custom_template,
3741     NULL, NULL,
3742     "use template",                     "use template for custom properties"
3743   },
3744   {
3745     ED_CHECKBUTTON_ID_CUSTOM_ACCESSIBLE,
3746     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(2),
3747     GADGET_ID_CUSTOM_ACCESSIBLE,        GADGET_ID_NONE,
3748     &custom_element_properties[EP_ACCESSIBLE],
3749     NULL, NULL,
3750     NULL,                               "player can walk to or pass this field"
3751   },
3752   {
3753     ED_CHECKBUTTON_ID_CUSTOM_GRAV_REACHABLE,
3754     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3755     GADGET_ID_CUSTOM_GRAV_REACHABLE,    GADGET_ID_NONE,
3756     &custom_element_properties[EP_GRAVITY_REACHABLE],
3757     NULL, NULL,
3758     "reachable despite gravity",        "player can walk/dig despite gravity"
3759   },
3760   {
3761     ED_CHECKBUTTON_ID_CUSTOM_USE_LAST_VALUE,
3762     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3763     GADGET_ID_CUSTOM_USE_LAST_VALUE,    GADGET_ID_NONE,
3764     &custom_element.use_last_ce_value,
3765     NULL, NULL,
3766     "use last CE value after change",   "use last CE value after change"
3767   },
3768   {
3769     ED_CHECKBUTTON_ID_CUSTOM_WALK_TO_OBJECT,
3770     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(4),
3771     GADGET_ID_CUSTOM_WALK_TO_OBJECT,    GADGET_ID_NONE,
3772     &custom_element_properties[EP_WALK_TO_OBJECT],
3773     NULL, NULL,
3774     NULL,                               "player can dig/collect/push element"
3775   },
3776   {
3777     ED_CHECKBUTTON_ID_CUSTOM_INDESTRUCTIBLE,
3778     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3779     GADGET_ID_CUSTOM_INDESTRUCTIBLE,    GADGET_ID_NONE,
3780     &custom_element_properties[EP_INDESTRUCTIBLE],
3781     NULL, NULL,
3782     "indestructible",                   "element is indestructible"
3783   },
3784
3785   // ---------- element settings: configure 2 (custom elements) ---------------
3786
3787   {
3788     ED_CHECKBUTTON_ID_CUSTOM_CAN_MOVE,
3789     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3790     GADGET_ID_CUSTOM_CAN_MOVE,          GADGET_ID_NONE,
3791     &custom_element_properties[EP_CAN_MOVE],
3792     NULL, NULL,
3793     NULL,                               "element can move with some pattern"
3794   },
3795   {
3796     ED_CHECKBUTTON_ID_CUSTOM_CAN_FALL,
3797     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(8),
3798     GADGET_ID_CUSTOM_CAN_FALL,          GADGET_ID_NONE,
3799     &custom_element_properties[EP_CAN_FALL],
3800     NULL, NULL,
3801     "can fall",                         "element can fall down"
3802   },
3803   {
3804     ED_CHECKBUTTON_ID_CUSTOM_CAN_SMASH,
3805     -1,                                 ED_ELEMENT_SETTINGS_YPOS(8),
3806     GADGET_ID_CUSTOM_CAN_SMASH,         GADGET_ID_CUSTOM_CAN_FALL,
3807     &custom_element_properties[EP_CAN_SMASH],
3808     NULL, " ",
3809     NULL,                               "element can smash other elements"
3810   },
3811   {
3812     ED_CHECKBUTTON_ID_CUSTOM_SLIPPERY,
3813     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(9),
3814     GADGET_ID_CUSTOM_SLIPPERY,          GADGET_ID_NONE,
3815     &custom_element_properties[EP_SLIPPERY],
3816     NULL, NULL,
3817     NULL,                               "other elements can fall down from it"
3818   },
3819   {
3820     ED_CHECKBUTTON_ID_CUSTOM_DEADLY,
3821     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(10),
3822     GADGET_ID_CUSTOM_DEADLY,            GADGET_ID_NONE,
3823     &custom_element_properties[EP_DEADLY],
3824     NULL, NULL,
3825     NULL,                               "element can kill the player"
3826   },
3827   {
3828     ED_CHECKBUTTON_ID_CUSTOM_CAN_EXPLODE,
3829     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(11),
3830     GADGET_ID_CUSTOM_CAN_EXPLODE,       GADGET_ID_NONE,
3831     &custom_element_properties[EP_CAN_EXPLODE],
3832     NULL, NULL,
3833     NULL,                               "element can explode"
3834   },
3835   {
3836     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_FIRE,
3837     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(12),
3838     GADGET_ID_CUSTOM_EXPLODE_FIRE,      GADGET_ID_NONE,
3839     &custom_element_properties[EP_EXPLODES_BY_FIRE],
3840     NULL, NULL,
3841     "by fire",                          "element can explode by fire/explosion"
3842   },
3843   {
3844     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_SMASH,
3845     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3846     GADGET_ID_CUSTOM_EXPLODE_SMASH,     GADGET_ID_CUSTOM_EXPLODE_FIRE,
3847     &custom_element_properties[EP_EXPLODES_SMASHED],
3848     NULL, " ",
3849     "smashed",                          "element can explode when smashed"
3850   },
3851   {
3852     ED_CHECKBUTTON_ID_CUSTOM_EXPLODE_IMPACT,
3853     -1,                                 ED_ELEMENT_SETTINGS_YPOS(12),
3854     GADGET_ID_CUSTOM_EXPLODE_IMPACT,    GADGET_ID_CUSTOM_EXPLODE_SMASH,
3855     &custom_element_properties[EP_EXPLODES_IMPACT],
3856     NULL, " ",
3857     "impact",                           "element can explode on impact"
3858   },
3859
3860   // ---------- element settings: advanced (custom elements) ------------------
3861
3862   {
3863     ED_CHECKBUTTON_ID_CUSTOM_CAN_CHANGE,
3864     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(1),
3865     GADGET_ID_CUSTOM_CAN_CHANGE,        GADGET_ID_NONE,
3866     &custom_element_change.can_change,
3867     NULL, NULL,
3868     "element changes to:",              "change element on specified condition"
3869   },
3870   {
3871     ED_CHECKBUTTON_ID_CHANGE_DELAY,
3872     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(2),
3873     GADGET_ID_CHANGE_DELAY,             GADGET_ID_NONE,
3874     &custom_element_change_events[CE_DELAY],
3875     NULL, NULL,
3876     NULL,                               "element changes after delay"
3877   },
3878   {
3879     ED_CHECKBUTTON_ID_CHANGE_BY_DIRECT_ACT,
3880     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(4),
3881     GADGET_ID_CHANGE_BY_DIRECT_ACT,     GADGET_ID_NONE,
3882     &custom_element_change_events[CE_BY_DIRECT_ACTION],
3883     NULL, NULL,
3884     NULL,                               "element changes by direct action"
3885   },
3886   {
3887     ED_CHECKBUTTON_ID_CHANGE_BY_OTHER_ACT,
3888     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(5),
3889     GADGET_ID_CHANGE_BY_OTHER_ACT,      GADGET_ID_NONE,
3890     &custom_element_change_events[CE_BY_OTHER_ACTION],
3891     NULL, NULL,
3892     NULL,                               "element changes by other element"
3893   },
3894   {
3895     ED_CHECKBUTTON_ID_CHANGE_USE_EXPLOSION,
3896     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(8),
3897     GADGET_ID_CHANGE_USE_EXPLOSION,     GADGET_ID_NONE,
3898     &custom_element_change.explode,
3899     NULL, NULL,
3900     "explode instead of change",        "element explodes instead of change"
3901   },
3902   {
3903     ED_CHECKBUTTON_ID_CHANGE_USE_CONTENT,
3904     ED_ELEMENT_SETTINGS_XPOS(1),        ED_ELEMENT_SETTINGS_YPOS(9),
3905     GADGET_ID_CHANGE_USE_CONTENT,       GADGET_ID_NONE,
3906     &custom_element_change.use_target_content,
3907     NULL, NULL,
3908     "use extended change target:",      "element changes to more elements"
3909   },
3910   {
3911     ED_CHECKBUTTON_ID_CHANGE_ONLY_COMPLETE,
3912     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(11),
3913     GADGET_ID_CHANGE_ONLY_COMPLETE,     GADGET_ID_NONE,
3914     &custom_element_change.only_if_complete,
3915     NULL, NULL,
3916     "replace all or nothing",           "only replace when all can be changed"
3917   },
3918   {
3919     ED_CHECKBUTTON_ID_CHANGE_USE_RANDOM,
3920     ED_ELEMENT_SETTINGS_XPOS(2),        ED_ELEMENT_SETTINGS_YPOS(12),
3921     GADGET_ID_CHANGE_USE_RANDOM,        GADGET_ID_NONE,
3922     &custom_element_change.use_random_replace,
3923     NULL, NULL,
3924     NULL,                               "use percentage for random replace"
3925   },
3926   {
3927     ED_CHECKBUTTON_ID_CHANGE_HAS_ACTION,
3928     ED_ELEMENT_SETTINGS_XPOS(0),        ED_ELEMENT_SETTINGS_YPOS(13),
3929     GADGET_ID_CHANGE_HAS_ACTION,        GADGET_ID_NONE,
3930     &custom_element_change.has_action,
3931     NULL, NULL,
3932     NULL,                               "execute action on specified condition"
3933   },
3934 };
3935
3936 static struct
3937 {
3938   int gadget_type_id;
3939   int x, y;
3940   int xoffset, yoffset;
3941   int gadget_id;
3942   int gadget_id_align;
3943   int *value;
3944   int area_xsize, area_ysize;
3945   char *text_left, *text_right, *text_above, *text_below, *infotext;
3946 } drawingarea_info[ED_NUM_DRAWING_AREAS] =
3947 {
3948   // ---------- level playfield content ---------------------------------------
3949
3950   {
3951     ED_DRAWING_ID_DRAWING_LEVEL,
3952     0,                                  0,
3953     0,                                  0,
3954     GADGET_ID_DRAWING_LEVEL,            GADGET_ID_NONE,
3955     NULL,
3956     -1, -1,     // these values are not constant, but can change at runtime
3957     NULL, NULL, NULL, NULL,             NULL
3958   },
3959
3960   // ---------- yam yam content -----------------------------------------------
3961
3962   {
3963     ED_DRAWING_ID_YAMYAM_CONTENT_0,
3964     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3965     ED_AREA_YAMYAM_CONTENT_XOFF(0),     ED_AREA_YAMYAM_CONTENT_YOFF(0),
3966     GADGET_ID_YAMYAM_CONTENT_0,         GADGET_ID_NONE,
3967     &level.yamyam_content[0].e[0][0],   3, 3,
3968     NULL, NULL, NULL, "1",              NULL
3969   },
3970   {
3971     ED_DRAWING_ID_YAMYAM_CONTENT_1,
3972     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3973     ED_AREA_YAMYAM_CONTENT_XOFF(1),     ED_AREA_YAMYAM_CONTENT_YOFF(1),
3974     GADGET_ID_YAMYAM_CONTENT_1,         GADGET_ID_NONE,
3975     &level.yamyam_content[1].e[0][0],   3, 3,
3976     NULL, NULL, NULL, "2",              NULL
3977   },
3978   {
3979     ED_DRAWING_ID_YAMYAM_CONTENT_2,
3980     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3981     ED_AREA_YAMYAM_CONTENT_XOFF(2),     ED_AREA_YAMYAM_CONTENT_YOFF(2),
3982     GADGET_ID_YAMYAM_CONTENT_2,         GADGET_ID_NONE,
3983     &level.yamyam_content[2].e[0][0],   3, 3,
3984     NULL, NULL, NULL, "3",              NULL
3985   },
3986   {
3987     ED_DRAWING_ID_YAMYAM_CONTENT_3,
3988     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3989     ED_AREA_YAMYAM_CONTENT_XOFF(3),     ED_AREA_YAMYAM_CONTENT_YOFF(3),
3990     GADGET_ID_YAMYAM_CONTENT_3,         GADGET_ID_NONE,
3991     &level.yamyam_content[3].e[0][0],   3, 3,
3992     NULL, NULL, NULL, "4",              NULL
3993   },
3994   {
3995     ED_DRAWING_ID_YAMYAM_CONTENT_4,
3996     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
3997     ED_AREA_YAMYAM_CONTENT_XOFF(4),     ED_AREA_YAMYAM_CONTENT_YOFF(4),
3998     GADGET_ID_YAMYAM_CONTENT_4,         GADGET_ID_NONE,
3999     &level.yamyam_content[4].e[0][0],   3, 3,
4000     NULL, NULL, NULL, "5",              NULL
4001   },
4002   {
4003     ED_DRAWING_ID_YAMYAM_CONTENT_5,
4004     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4005     ED_AREA_YAMYAM_CONTENT_XOFF(5),     ED_AREA_YAMYAM_CONTENT_YOFF(5),
4006     GADGET_ID_YAMYAM_CONTENT_5,         GADGET_ID_NONE,
4007     &level.yamyam_content[5].e[0][0],   3, 3,
4008     NULL, NULL, NULL, "6",              NULL
4009   },
4010   {
4011     ED_DRAWING_ID_YAMYAM_CONTENT_6,
4012     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4013     ED_AREA_YAMYAM_CONTENT_XOFF(6),     ED_AREA_YAMYAM_CONTENT_YOFF(6),
4014     GADGET_ID_YAMYAM_CONTENT_6,         GADGET_ID_NONE,
4015     &level.yamyam_content[6].e[0][0],   3, 3,
4016     NULL, NULL, NULL, "7",              NULL
4017   },
4018   {
4019     ED_DRAWING_ID_YAMYAM_CONTENT_7,
4020     ED_AREA_YAMYAM_CONTENT_XPOS,        ED_AREA_YAMYAM_CONTENT_YPOS,
4021     ED_AREA_YAMYAM_CONTENT_XOFF(7),     ED_AREA_YAMYAM_CONTENT_YOFF(7),
4022     GADGET_ID_YAMYAM_CONTENT_7,         GADGET_ID_NONE,
4023     &level.yamyam_content[7].e[0][0],   3, 3,
4024     NULL, NULL, NULL, "8",              NULL
4025   },
4026
4027   // ---------- magic ball content --------------------------------------------
4028
4029   {
4030     ED_DRAWING_ID_MAGIC_BALL_CONTENT_0,
4031     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4032     ED_AREA_MAGIC_BALL_CONTENT_XOFF(0), ED_AREA_MAGIC_BALL_CONTENT_YOFF(0),
4033     GADGET_ID_MAGIC_BALL_CONTENT_0,     GADGET_ID_NONE,
4034     &level.ball_content[0].e[0][0],     3, 3,
4035     NULL, NULL, NULL, "1",              NULL
4036   },
4037   {
4038     ED_DRAWING_ID_MAGIC_BALL_CONTENT_1,
4039     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4040     ED_AREA_MAGIC_BALL_CONTENT_XOFF(1), ED_AREA_MAGIC_BALL_CONTENT_YOFF(1),
4041     GADGET_ID_MAGIC_BALL_CONTENT_1,     GADGET_ID_NONE,
4042     &level.ball_content[1].e[0][0],     3, 3,
4043     NULL, NULL, NULL, "2",              NULL
4044   },
4045   {
4046     ED_DRAWING_ID_MAGIC_BALL_CONTENT_2,
4047     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4048     ED_AREA_MAGIC_BALL_CONTENT_XOFF(2), ED_AREA_MAGIC_BALL_CONTENT_YOFF(2),
4049     GADGET_ID_MAGIC_BALL_CONTENT_2,     GADGET_ID_NONE,
4050     &level.ball_content[2].e[0][0],     3, 3,
4051     NULL, NULL, NULL, "3",              NULL
4052   },
4053   {
4054     ED_DRAWING_ID_MAGIC_BALL_CONTENT_3,
4055     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4056     ED_AREA_MAGIC_BALL_CONTENT_XOFF(3), ED_AREA_MAGIC_BALL_CONTENT_YOFF(3),
4057     GADGET_ID_MAGIC_BALL_CONTENT_3,     GADGET_ID_NONE,
4058     &level.ball_content[3].e[0][0],     3, 3,
4059     NULL, NULL, NULL, "4",              NULL
4060   },
4061   {
4062     ED_DRAWING_ID_MAGIC_BALL_CONTENT_4,
4063     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4064     ED_AREA_MAGIC_BALL_CONTENT_XOFF(4), ED_AREA_MAGIC_BALL_CONTENT_YOFF(4),
4065     GADGET_ID_MAGIC_BALL_CONTENT_4,     GADGET_ID_NONE,
4066     &level.ball_content[4].e[0][0],     3, 3,
4067     NULL, NULL, NULL, "5",              NULL
4068   },
4069   {
4070     ED_DRAWING_ID_MAGIC_BALL_CONTENT_5,
4071     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4072     ED_AREA_MAGIC_BALL_CONTENT_XOFF(5), ED_AREA_MAGIC_BALL_CONTENT_YOFF(5),
4073     GADGET_ID_MAGIC_BALL_CONTENT_5,     GADGET_ID_NONE,
4074     &level.ball_content[5].e[0][0],     3, 3,
4075     NULL, NULL, NULL, "6",              NULL
4076   },
4077   {
4078     ED_DRAWING_ID_MAGIC_BALL_CONTENT_6,
4079     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4080     ED_AREA_MAGIC_BALL_CONTENT_XOFF(6), ED_AREA_MAGIC_BALL_CONTENT_YOFF(6),
4081     GADGET_ID_MAGIC_BALL_CONTENT_6,     GADGET_ID_NONE,
4082     &level.ball_content[6].e[0][0],     3, 3,
4083     NULL, NULL, NULL, "7",              NULL
4084   },
4085   {
4086     ED_DRAWING_ID_MAGIC_BALL_CONTENT_7,
4087     ED_AREA_MAGIC_BALL_CONTENT_XPOS,    ED_AREA_MAGIC_BALL_CONTENT_YPOS,
4088     ED_AREA_MAGIC_BALL_CONTENT_XOFF(7), ED_AREA_MAGIC_BALL_CONTENT_YOFF(7),
4089     GADGET_ID_MAGIC_BALL_CONTENT_7,     GADGET_ID_NONE,
4090     &level.ball_content[7].e[0][0],     3, 3,
4091     NULL, NULL, NULL, "8",              NULL
4092   },
4093
4094   // ---------- android content -----------------------------------------------
4095
4096   {
4097     ED_DRAWING_ID_ANDROID_CONTENT,
4098     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(6),
4099     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4100     GADGET_ID_ANDROID_CONTENT,          GADGET_ID_NONE,
4101     &level.android_clone_element[0],    MAX_ANDROID_ELEMENTS, 1,
4102     NULL, NULL, "elements:", NULL,      "elements android can clone"
4103   },
4104
4105   // ---------- amoeba content ------------------------------------------------
4106
4107   {
4108     ED_DRAWING_ID_AMOEBA_CONTENT,
4109     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(3),
4110     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4111     GADGET_ID_AMOEBA_CONTENT,           GADGET_ID_NONE,
4112     &level.amoeba_content,              1, 1,
4113     "content:", NULL, NULL, NULL,       "amoeba content"
4114   },
4115
4116   // ---------- level start element -------------------------------------------
4117
4118   {
4119     ED_DRAWING_ID_START_ELEMENT,
4120     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(10),
4121     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4122     GADGET_ID_START_ELEMENT,            GADGET_ID_USE_START_ELEMENT,
4123     &level.start_element[0],            1, 1,
4124     NULL, NULL, NULL, NULL,             "level start element"
4125   },
4126
4127   // ---------- player artwork element ----------------------------------------
4128
4129   {
4130     ED_DRAWING_ID_ARTWORK_ELEMENT,
4131     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(11),
4132     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4133     GADGET_ID_ARTWORK_ELEMENT,          GADGET_ID_USE_ARTWORK_ELEMENT,
4134     &level.artwork_element[0],          1, 1,
4135     NULL, NULL, NULL, NULL,             "element for player artwork"
4136   },
4137
4138   // ---------- player explosion element --------------------------------------
4139
4140   {
4141     ED_DRAWING_ID_EXPLOSION_ELEMENT,
4142     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(12),
4143     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4144     GADGET_ID_EXPLOSION_ELEMENT,        GADGET_ID_USE_EXPLOSION_ELEMENT,
4145     &level.explosion_element[0],        1, 1,
4146     NULL, NULL, NULL, NULL,             "element for player explosion"
4147   },
4148
4149   // ---------- player initial inventory --------------------------------------
4150
4151   {
4152     ED_DRAWING_ID_INVENTORY_CONTENT,
4153     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4154     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4155     GADGET_ID_INVENTORY_CONTENT,        GADGET_ID_USE_INITIAL_INVENTORY,
4156     &level.initial_inventory_content[0][0], MAX_INITIAL_INVENTORY_SIZE, 1,
4157     NULL, NULL, NULL, NULL,             "content for initial inventory"
4158   },
4159
4160   // ---------- gray ball content -----------------------------------------
4161
4162   {
4163     ED_DRAWING_ID_MM_BALL_CONTENT,
4164     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4165     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4166     GADGET_ID_MM_BALL_CONTENT,          GADGET_ID_NONE,
4167     &level.mm_ball_content[0],          MAX_MM_BALL_CONTENTS, 1,
4168     "content:", NULL, NULL, NULL,       "content for gray ball"
4169   },
4170
4171   // ---------- element settings: configure 1 (custom elements) ---------------
4172
4173   // ---------- custom graphic ------------------------------------------------
4174
4175   {
4176     ED_DRAWING_ID_CUSTOM_GRAPHIC,
4177     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4178     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4179     GADGET_ID_CUSTOM_GRAPHIC,           GADGET_ID_CUSTOM_USE_GRAPHIC,
4180     &custom_element.gfx_element_initial, 1, 1,
4181     NULL, NULL, NULL, NULL,             "custom graphic element"
4182   },
4183
4184   // ---------- element settings: configure 2 (custom elements) ---------------
4185
4186   // ---------- custom content (when exploding) -------------------------------
4187
4188   {
4189     ED_DRAWING_ID_CUSTOM_CONTENT,
4190     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(11),
4191     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4192     GADGET_ID_CUSTOM_CONTENT,           GADGET_ID_NONE, // align three rows
4193     &custom_element.content.e[0][0],    3, 3,
4194     "content:", NULL, NULL, NULL,       NULL
4195   },
4196
4197   // ---------- custom enter and leave element (when moving) ------------------
4198
4199   {
4200     ED_DRAWING_ID_CUSTOM_MOVE_ENTER,
4201     ED_AREA_1X1_SETTINGS_XPOS(1),       ED_AREA_1X1_SETTINGS_YPOS(3),
4202     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4203     GADGET_ID_CUSTOM_MOVE_ENTER,        GADGET_ID_NONE,
4204     &custom_element.move_enter_element, 1, 1,
4205     "can dig:", " ", NULL, NULL,        "element that can be digged/collected"
4206   },
4207   {
4208     ED_DRAWING_ID_CUSTOM_MOVE_LEAVE,
4209     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(3),
4210     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4211     GADGET_ID_CUSTOM_MOVE_LEAVE,        GADGET_ID_CUSTOM_MOVE_LEAVE_TYPE,
4212     &custom_element.move_leave_element, 1, 1,
4213     NULL, NULL, NULL, NULL,             "element that will be left behind"
4214   },
4215
4216   // ---------- element settings: advanced (custom elements) ------------------
4217
4218   // ---------- custom change target ------------------------------------------
4219
4220   {
4221     ED_DRAWING_ID_CUSTOM_CHANGE_TARGET,
4222     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(1),
4223     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4224     GADGET_ID_CUSTOM_CHANGE_TARGET,     GADGET_ID_CUSTOM_CAN_CHANGE,
4225     &custom_element_change.target_element, 1, 1,
4226     NULL, "after/when:", NULL, NULL,    "new target element after change"
4227   },
4228
4229   // ---------- custom change content (extended change target) ----------------
4230
4231   {
4232     ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT,
4233     -1,                                 ED_AREA_3X3_SETTINGS_YPOS(9),
4234     0,                                  ED_AREA_3X3_SETTINGS_YOFF,
4235     GADGET_ID_CUSTOM_CHANGE_CONTENT,    GADGET_ID_NONE, // align three rows
4236     &custom_element_change.target_content.e[0][0], 3, 3,
4237     NULL, NULL, NULL, NULL,             "new extended elements after change"
4238   },
4239
4240   // ---------- custom change trigger (element causing change) ----------------
4241
4242   {
4243     ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER,
4244     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(5),
4245     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4246     GADGET_ID_CUSTOM_CHANGE_TRIGGER,    GADGET_ID_CHANGE_OTHER_ACTION,
4247     &custom_element_change.initial_trigger_element, 1, 1,
4248     NULL, NULL, NULL, NULL,             "other element triggering change"
4249   },
4250
4251   // ---------- custom change action (element used for action) ----------------
4252
4253   {
4254     ED_DRAWING_ID_CUSTOM_CHANGE_ACTION,
4255     -1,                                 ED_AREA_1X1_SETTINGS_YPOS(13),
4256     0,                                  ED_AREA_1X1_SETTINGS_YOFF,
4257     GADGET_ID_CUSTOM_CHANGE_ACTION,     GADGET_ID_ACTION_ARG,
4258     &custom_element_change.action_element, 1, 1,
4259     NULL, NULL, NULL, NULL,             "element used as action parameter"
4260   },
4261
4262   // ---------- group element content -----------------------------------------
4263
4264   {
4265     ED_DRAWING_ID_GROUP_CONTENT,
4266     ED_AREA_1X1_SETTINGS_XPOS(0),       ED_AREA_1X1_SETTINGS_YPOS(2),
4267     ED_AREA_1X1_SETTINGS_XOFF,          ED_AREA_1X1_SETTINGS_YOFF,
4268     GADGET_ID_GROUP_CONTENT,            GADGET_ID_NONE,
4269     &group_element_info.element[0],     MAX_ELEMENTS_IN_GROUP, 1,
4270     "content:", NULL, NULL, NULL,       NULL
4271   },
4272
4273   // ---------- random background (for random painting) -----------------------
4274
4275   {
4276     ED_DRAWING_ID_RANDOM_BACKGROUND,
4277     -1,                                 ED_AREA_1X1_LSETTINGS_YPOS(1),
4278     0,                                  ED_AREA_1X1_LSETTINGS_YOFF,
4279     GADGET_ID_RANDOM_BACKGROUND,        GADGET_ID_RANDOM_RESTRICTED,
4280     &random_placement_background_element, 1, 1,
4281     NULL, NULL, NULL, NULL,             "random placement background"
4282   },
4283 };
4284
4285
4286 // ----------------------------------------------------------------------------
4287 // some internally used variables
4288 // ----------------------------------------------------------------------------
4289
4290 // maximal size of level editor drawing area
4291 static int MAX_ED_FIELDX, MAX_ED_FIELDY;
4292
4293 // actual size of level editor drawing area
4294 static int ed_fieldx, ed_fieldy;
4295
4296 // actual position of level editor drawing area in level playfield
4297 static int level_xpos = -1, level_ypos = -1;
4298
4299 // actual tile size used to display playfield drawing area
4300 static int ed_tilesize = DEFAULT_EDITOR_TILESIZE;
4301 static int ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
4302
4303 #define IN_ED_FIELD(x, y)       IN_FIELD(x, y, ed_fieldx, ed_fieldy)
4304
4305 // drawing elements on the three mouse buttons
4306 static int new_element1 = EL_WALL;
4307 static int new_element2 = EL_EMPTY;
4308 static int new_element3 = EL_SAND;
4309
4310 #define IS_VALID_BUTTON(button) (button >= 1 && button <= 3)
4311 #define BUTTON_ELEMENT(button) ((button) == 1 ? new_element1 : \
4312                                 (button) == 2 ? new_element2 : \
4313                                 (button) == 3 ? new_element3 : EL_EMPTY)
4314
4315 #define BUTTON_TILE_SIZE(x)     ((x) >= TILESIZE ? TILESIZE : MINI_TILESIZE)
4316
4317 static int use_permanent_palette = TRUE;
4318
4319 #define PX              (use_permanent_palette ? DX : SX)
4320 #define PY              (use_permanent_palette ? DY : SY)
4321 #define PXSIZE          (use_permanent_palette ? DXSIZE : SXSIZE)
4322 #define PYSIZE          (use_permanent_palette ? DYSIZE : SYSIZE)
4323
4324 // forward declaration for internal use
4325 static void CopyBrushToCursor(int, int);
4326 static void DeleteBrushFromCursor(void);
4327 static void ModifyEditorCounterValue(int, int);
4328 static void ModifyEditorCounterLimits(int, int, int);
4329 static void ModifyEditorSelectboxValue(int, int);
4330 static void ModifyEditorSelectboxOptions(int, struct ValueTextInfo *);
4331 static void ModifyEditorDrawingArea(int, int, int);
4332 static void ModifyEditorElementList(void);
4333 static void AdjustElementListScrollbar(void);
4334 static void RedrawDrawingElements(void);
4335 static void DrawDrawingWindowExt(boolean);
4336 static void DrawDrawingWindow(void);
4337 static void DrawLevelConfigWindow(void);
4338 static void DrawPropertiesWindow(void);
4339 static void DrawPaletteWindow(void);
4340 static void UpdateCustomElementGraphicGadgets(void);
4341 static boolean checkPropertiesConfig(int);
4342 static void SetAutomaticNumberOfGemsNeeded(void);
4343 static void ClearEditorGadgetInfoText(void);
4344 static void CopyLevelToUndoBuffer(int);
4345 static void HandleDrawingAreas(struct GadgetInfo *);
4346 static void HandleCounterButtons(struct GadgetInfo *);
4347 static void HandleTextInputGadgets(struct GadgetInfo *);
4348 static void HandleTextAreaGadgets(struct GadgetInfo *);
4349 static void HandleSelectboxGadgets(struct GadgetInfo *);
4350 static void HandleTextbuttonGadgets(struct GadgetInfo *);
4351 static void HandleGraphicbuttonGadgets(struct GadgetInfo *);
4352 static void HandleRadiobuttons(struct GadgetInfo *);
4353 static void HandleCheckbuttons(struct GadgetInfo *);
4354 static void HandleControlButtons(struct GadgetInfo *);
4355 static void HandleDrawingAreaInfo(struct GadgetInfo *);
4356 static void PrintEditorGadgetInfoText(struct GadgetInfo *);
4357 static boolean AskToCopyAndModifyLevelTemplate(void);
4358 static boolean getDrawModeHiRes(void);
4359 static int getTabulatorBarWidth(void);
4360 static int getTabulatorBarHeight(void);
4361 static Pixel getTabulatorBarColor(void);
4362 static int numHiresTiles(int);
4363
4364 static int num_editor_gadgets = 0;      // dynamically determined
4365
4366 static struct GadgetInfo **level_editor_gadget = NULL;
4367 static int *right_gadget_border = NULL;
4368
4369 static int drawing_function = GADGET_ID_SINGLE_ITEMS;
4370 static int last_drawing_function = GADGET_ID_SINGLE_ITEMS;
4371 static boolean draw_with_brush = FALSE;
4372 static int properties_element = 0;
4373
4374 static short TileBackup[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4375 static short UndoBuffer[NUM_UNDO_STEPS][MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4376 static short IntelliDrawBuffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
4377 static int undo_buffer_position = 0;
4378 static int undo_buffer_steps = 0;
4379 static int redo_buffer_steps = 0;
4380
4381 static int edit_mode;
4382 static int edit_mode_levelconfig;
4383 static int edit_mode_properties;
4384
4385 static int element_shift = 0;
4386
4387 static int editor_el_players[] =
4388 {
4389   EL_PLAYER_1,
4390   EL_PLAYER_2,
4391   EL_PLAYER_3,
4392   EL_PLAYER_4
4393 };
4394 static int *editor_el_players_ptr = editor_el_players;
4395 static int num_editor_el_players = ARRAY_SIZE(editor_el_players);
4396
4397 static int editor_hl_boulderdash[] =
4398 {
4399   EL_INTERNAL_CASCADE_BD_ACTIVE,
4400   EL_CHAR('B'),
4401   EL_CHAR('D'),
4402   EL_EMPTY,
4403 };
4404
4405 static int editor_el_boulderdash[] =
4406 {
4407   EL_EMPTY,
4408   EL_SAND,
4409   EL_BD_ROCK,
4410   EL_BD_DIAMOND,
4411
4412   EL_STEELWALL,
4413   EL_BD_WALL,
4414   EL_BD_EXPANDABLE_WALL,
4415   EL_BD_MAGIC_WALL,
4416
4417   EL_BD_AMOEBA,
4418   EL_BD_BUTTERFLY_UP,
4419   EL_BD_FIREFLY_UP,
4420   EL_EXIT_CLOSED,
4421
4422   EL_BD_BUTTERFLY_LEFT,
4423   EL_BD_FIREFLY_LEFT,
4424   EL_BD_BUTTERFLY_RIGHT,
4425   EL_BD_FIREFLY_RIGHT,
4426
4427   EL_EMPTY,
4428   EL_BD_BUTTERFLY_DOWN,
4429   EL_BD_FIREFLY_DOWN,
4430   EL_EXIT_OPEN,
4431 };
4432 static int *editor_hl_boulderdash_ptr = editor_hl_boulderdash;
4433 static int *editor_el_boulderdash_ptr = editor_el_boulderdash;
4434 static int num_editor_hl_boulderdash = ARRAY_SIZE(editor_hl_boulderdash);
4435 static int num_editor_el_boulderdash = ARRAY_SIZE(editor_el_boulderdash);
4436
4437 static int editor_hl_boulderdash_native[] =
4438 {
4439   EL_INTERNAL_CASCADE_BD_NATIVE_ACTIVE,
4440   EL_CHAR('B'),
4441   EL_CHAR('D'),
4442   EL_EMPTY,
4443 };
4444
4445 static int editor_el_boulderdash_native[] =
4446 {
4447   EL_EMPTY,
4448   EL_BD_SAND,
4449   EL_BD_ROCK,
4450   EL_BD_DIAMOND,
4451
4452   EL_BD_STEELWALL,
4453   EL_BD_WALL,
4454   EL_EMPTY,
4455   EL_BD_MAGIC_WALL,
4456
4457   EL_BD_AMOEBA,
4458   EL_BD_BUTTERFLY_UP,
4459   EL_BD_FIREFLY_UP,
4460   EL_BD_EXIT_CLOSED,
4461
4462   EL_BD_BUTTERFLY_LEFT,
4463   EL_BD_FIREFLY_LEFT,
4464   EL_BD_BUTTERFLY_RIGHT,
4465   EL_BD_FIREFLY_RIGHT,
4466
4467   EL_BD_INBOX,
4468   EL_BD_BUTTERFLY_DOWN,
4469   EL_BD_FIREFLY_DOWN,
4470   EL_BD_EXIT_OPEN,
4471
4472   EL_BD_AMOEBA_2,
4473   EL_BD_BUTTERFLY_2_UP,
4474   EL_BD_FIREFLY_2_UP,
4475   EL_EMPTY,
4476
4477   EL_BD_BUTTERFLY_2_LEFT,
4478   EL_BD_FIREFLY_2_LEFT,
4479   EL_BD_BUTTERFLY_2_RIGHT,
4480   EL_BD_FIREFLY_2_RIGHT,
4481
4482   EL_EMPTY,
4483   EL_BD_BUTTERFLY_2_DOWN,
4484   EL_BD_FIREFLY_2_DOWN,
4485   EL_EMPTY,
4486
4487   EL_EMPTY,
4488   EL_BD_DRAGONFLY_UP,
4489   EL_BD_STONEFLY_UP,
4490   EL_EMPTY,
4491
4492   EL_BD_DRAGONFLY_LEFT,
4493   EL_BD_STONEFLY_LEFT,
4494   EL_BD_DRAGONFLY_RIGHT,
4495   EL_BD_STONEFLY_RIGHT,
4496
4497   EL_EMPTY,
4498   EL_BD_DRAGONFLY_DOWN,
4499   EL_BD_STONEFLY_DOWN,
4500   EL_EMPTY,
4501
4502   EL_EMPTY,
4503   EL_BD_BITER_UP,
4504   EL_BD_COW_UP,
4505   EL_EMPTY,
4506
4507   EL_BD_BITER_LEFT,
4508   EL_BD_COW_LEFT,
4509   EL_BD_BITER_RIGHT,
4510   EL_BD_COW_RIGHT,
4511
4512   EL_EMPTY,
4513   EL_BD_BITER_DOWN,
4514   EL_BD_COW_DOWN,
4515   EL_EMPTY,
4516
4517   EL_EMPTY,
4518   EL_BD_SAND,
4519   EL_BD_SAND_BALL,
4520   EL_BD_SAND_LOOSE,
4521
4522   EL_BD_SAND_SLOPED_UP_LEFT,
4523   EL_BD_SAND_SLOPED_UP_RIGHT,
4524   EL_BD_WALL_SLOPED_UP_LEFT,
4525   EL_BD_WALL_SLOPED_UP_RIGHT,
4526
4527   EL_BD_SAND_SLOPED_DOWN_LEFT,
4528   EL_BD_SAND_SLOPED_DOWN_RIGHT,
4529   EL_BD_WALL_SLOPED_DOWN_LEFT,
4530   EL_BD_WALL_SLOPED_DOWN_RIGHT,
4531
4532   EL_BD_FLYING_DIAMOND,
4533   EL_BD_FLYING_ROCK,
4534   EL_BD_STEELWALL_SLOPED_UP_LEFT,
4535   EL_BD_STEELWALL_SLOPED_UP_RIGHT,
4536
4537   EL_BD_NUT,
4538   EL_BD_MEGA_ROCK,
4539   EL_BD_STEELWALL_SLOPED_DOWN_LEFT,
4540   EL_BD_STEELWALL_SLOPED_DOWN_RIGHT,
4541
4542   EL_BD_SAND_2,
4543   EL_BD_WALL_NON_SLOPED,
4544   EL_BD_WALL,
4545   EL_BD_MAGIC_WALL,
4546
4547   EL_BD_EXIT_CLOSED,
4548   EL_BD_EXIT_OPEN,
4549   EL_BD_INVISIBLE_EXIT_CLOSED,
4550   EL_BD_INVISIBLE_EXIT_OPEN,
4551
4552   EL_BD_STEELWALL,
4553   EL_BD_STEELWALL_EXPLODABLE,
4554   EL_BD_STEELWALL_DIGGABLE,
4555   EL_BD_WALL_DIGGABLE,
4556
4557   EL_BD_EXPANDABLE_WALL_HORIZONTAL,
4558   EL_BD_EXPANDABLE_WALL_VERTICAL,
4559   EL_BD_EXPANDABLE_WALL_ANY,
4560   EL_BD_CREATURE_SWITCH,
4561
4562   EL_BD_EXPANDABLE_STEELWALL_HORIZONTAL,
4563   EL_BD_EXPANDABLE_STEELWALL_VERTICAL,
4564   EL_BD_EXPANDABLE_STEELWALL_ANY,
4565   EL_BD_EXPANDABLE_WALL_SWITCH_HORIZONTAL,
4566
4567   EL_BD_BITER_SWITCH_1,
4568   EL_BD_REPLICATOR_SWITCH,
4569   EL_BD_CONVEYOR_SWITCH,
4570   EL_BD_CONVEYOR_DIR_SWITCH_RIGHT,
4571
4572   EL_BD_ACID,
4573   EL_BD_FALLING_WALL,
4574   EL_BD_BOX,
4575   EL_BD_TIME_PENALTY,
4576
4577   EL_BD_GRAVESTONE,
4578   EL_BD_ROCK_GLUED,
4579   EL_BD_DIAMOND_GLUED,
4580   EL_BD_DIAMOND_KEY,
4581
4582   EL_BD_TRAPPED_DIAMOND,
4583   EL_BD_CLOCK,
4584   EL_BD_SAND_GLUED,
4585   EL_BD_WATER,
4586
4587   EL_BD_KEY_1,
4588   EL_BD_KEY_2,
4589   EL_BD_KEY_3,
4590   EL_EMPTY,
4591
4592   EL_BD_WALL_KEY_1,
4593   EL_BD_WALL_KEY_2,
4594   EL_BD_WALL_KEY_3,
4595   EL_BD_WALL_DIAMOND,
4596
4597   EL_BD_GATE_1,
4598   EL_BD_GATE_2,
4599   EL_BD_GATE_3,
4600   EL_BD_POT,
4601
4602   EL_BD_GRAVITY_SWITCH,
4603   EL_BD_PNEUMATIC_HAMMER,
4604   EL_BD_TELEPORTER,
4605   EL_BD_SKELETON,
4606
4607   EL_BD_AMOEBA,
4608   EL_BD_AMOEBA_2,
4609   EL_BD_REPLICATOR,
4610   EL_BD_BLADDER_SPENDER,
4611
4612   EL_BD_CONVEYOR_LEFT,
4613   EL_BD_CONVEYOR_RIGHT,
4614   EL_BD_BOMB,
4615   EL_BD_NITRO_PACK,
4616
4617   EL_BD_LAVA,
4618   EL_BD_SWEET,
4619   EL_BD_VOODOO_DOLL,
4620   EL_BD_SLIME,
4621
4622   EL_BD_BLADDER,
4623   EL_BD_WAITING_ROCK,
4624   EL_BD_CHASING_ROCK,
4625   EL_BD_GHOST,
4626
4627   EL_BD_PLAYER,
4628   EL_BD_PLAYER_WITH_BOMB,
4629   EL_BD_PLAYER_GLUED,
4630   EL_BD_PLAYER_STIRRING,
4631 };
4632 static int *editor_hl_boulderdash_native_ptr = editor_hl_boulderdash_native;
4633 static int *editor_el_boulderdash_native_ptr = editor_el_boulderdash_native;
4634 static int num_editor_hl_boulderdash_native = ARRAY_SIZE(editor_hl_boulderdash_native);
4635 static int num_editor_el_boulderdash_native = ARRAY_SIZE(editor_el_boulderdash_native);
4636
4637 static int editor_hl_emerald_mine[] =
4638 {
4639   EL_INTERNAL_CASCADE_EM_ACTIVE,
4640   EL_CHAR('E'),
4641   EL_CHAR('M'),
4642   EL_EMPTY,
4643 };
4644
4645 static int editor_el_emerald_mine[] =
4646 {
4647   EL_SAND,
4648   EL_ROCK,
4649   EL_QUICKSAND_EMPTY,
4650   EL_QUICKSAND_FULL,
4651
4652   EL_STEELWALL,
4653   EL_WALL,
4654   EL_WALL_SLIPPERY,
4655   EL_MAGIC_WALL,
4656
4657   EL_EMERALD,
4658   EL_DIAMOND,
4659   EL_NUT,
4660   EL_BOMB,
4661
4662   EL_EM_DYNAMITE,
4663   EL_EM_DYNAMITE_ACTIVE,
4664   EL_EM_EXIT_CLOSED,
4665   EL_EM_EXIT_OPEN,
4666
4667   EL_YAMYAM_UP,
4668   EL_BUG_UP,
4669   EL_SPACESHIP_UP,
4670   EL_ROBOT,
4671
4672   EL_BUG_LEFT,
4673   EL_SPACESHIP_LEFT,
4674   EL_BUG_RIGHT,
4675   EL_SPACESHIP_RIGHT,
4676
4677   EL_ROBOT_WHEEL,
4678   EL_BUG_DOWN,
4679   EL_SPACESHIP_DOWN,
4680   EL_INVISIBLE_WALL,
4681
4682   EL_ACID_POOL_TOPLEFT,
4683   EL_ACID,
4684   EL_ACID_POOL_TOPRIGHT,
4685   EL_AMOEBA_DROP,
4686
4687   EL_ACID_POOL_BOTTOMLEFT,
4688   EL_ACID_POOL_BOTTOM,
4689   EL_ACID_POOL_BOTTOMRIGHT,
4690   EL_AMOEBA_WET,
4691
4692   EL_EM_KEY_1,
4693   EL_EM_KEY_2,
4694   EL_EM_KEY_3,
4695   EL_EM_KEY_4,
4696
4697   EL_EM_GATE_1,
4698   EL_EM_GATE_2,
4699   EL_EM_GATE_3,
4700   EL_EM_GATE_4,
4701
4702   EL_EM_GATE_1_GRAY,
4703   EL_EM_GATE_2_GRAY,
4704   EL_EM_GATE_3_GRAY,
4705   EL_EM_GATE_4_GRAY,
4706 };
4707 static int *editor_hl_emerald_mine_ptr = editor_hl_emerald_mine;
4708 static int *editor_el_emerald_mine_ptr = editor_el_emerald_mine;
4709 static int num_editor_hl_emerald_mine = ARRAY_SIZE(editor_hl_emerald_mine);
4710 static int num_editor_el_emerald_mine = ARRAY_SIZE(editor_el_emerald_mine);
4711
4712 static int editor_hl_emerald_mine_club[] =
4713 {
4714   EL_INTERNAL_CASCADE_EMC_ACTIVE,
4715   EL_CHAR('E'),
4716   EL_CHAR('M'),
4717   EL_CHAR('C'),
4718 };
4719
4720 static int editor_el_emerald_mine_club[] =
4721 {
4722   EL_EMC_KEY_5,
4723   EL_EMC_KEY_6,
4724   EL_EMC_KEY_7,
4725   EL_EMC_KEY_8,
4726
4727   EL_EMC_GATE_5,
4728   EL_EMC_GATE_6,
4729   EL_EMC_GATE_7,
4730   EL_EMC_GATE_8,
4731
4732   EL_EMC_GATE_5_GRAY,
4733   EL_EMC_GATE_6_GRAY,
4734   EL_EMC_GATE_7_GRAY,
4735   EL_EMC_GATE_8_GRAY,
4736
4737   EL_EMC_STEELWALL_1,
4738   EL_EMC_STEELWALL_2,
4739   EL_EMC_STEELWALL_3,
4740   EL_EMC_STEELWALL_4,
4741
4742   EL_EMC_WALL_13,
4743   EL_EMC_WALL_14,
4744   EL_EMC_WALL_15,
4745   EL_EMC_WALL_16,
4746
4747   EL_EMC_WALL_SLIPPERY_1,
4748   EL_EMC_WALL_SLIPPERY_2,
4749   EL_EMC_WALL_SLIPPERY_3,
4750   EL_EMC_WALL_SLIPPERY_4,
4751
4752   EL_EMC_WALL_1,
4753   EL_EMC_WALL_2,
4754   EL_EMC_WALL_3,
4755   EL_EMC_WALL_4,
4756
4757   EL_EMC_WALL_5,
4758   EL_EMC_WALL_6,
4759   EL_EMC_WALL_7,
4760   EL_EMC_WALL_8,
4761
4762   EL_EMC_WALL_9,
4763   EL_EMC_WALL_10,
4764   EL_EMC_WALL_11,
4765   EL_EMC_WALL_12,
4766
4767   EL_EMC_GRASS,
4768   EL_EMC_FAKE_GRASS,
4769   EL_EMC_PLANT,
4770   EL_EMC_DRIPPER,
4771
4772   EL_EMC_MAGIC_BALL,
4773   EL_EMC_MAGIC_BALL_SWITCH,
4774   EL_EMC_LENSES,
4775   EL_EMC_MAGNIFIER,
4776
4777   EL_SPRING_LEFT,
4778   EL_SPRING,
4779   EL_SPRING_RIGHT,
4780   EL_EMC_SPRING_BUMPER,
4781
4782   EL_BALLOON,
4783   EL_YAMYAM_UP,
4784   EL_BALLOON_SWITCH_UP,
4785   EL_BALLOON_SWITCH_ANY,
4786
4787   EL_YAMYAM_LEFT,
4788   EL_BALLOON_SWITCH_LEFT,
4789   EL_YAMYAM_RIGHT,
4790   EL_BALLOON_SWITCH_RIGHT,
4791
4792   EL_EMC_ANDROID,
4793   EL_YAMYAM_DOWN,
4794   EL_BALLOON_SWITCH_DOWN,
4795   EL_BALLOON_SWITCH_NONE,
4796 };
4797 static int *editor_hl_emerald_mine_club_ptr = editor_hl_emerald_mine_club;
4798 static int *editor_el_emerald_mine_club_ptr = editor_el_emerald_mine_club;
4799 static int num_editor_hl_emerald_mine_club = ARRAY_SIZE(editor_hl_emerald_mine_club);
4800 static int num_editor_el_emerald_mine_club = ARRAY_SIZE(editor_el_emerald_mine_club);
4801
4802 static int editor_hl_rnd[] =
4803 {
4804   EL_INTERNAL_CASCADE_RND_ACTIVE,
4805   EL_CHAR('R'),
4806   EL_CHAR('N'),
4807   EL_CHAR('D'),
4808 };
4809
4810 static int editor_el_rnd[] =
4811 {
4812   EL_DYNAMITE,                  // RND
4813   EL_DYNAMITE_ACTIVE,           // RND
4814   EL_EMPTY,
4815   EL_EMPTY,
4816
4817   EL_KEY_1,
4818   EL_KEY_2,
4819   EL_KEY_3,
4820   EL_KEY_4,
4821
4822   EL_GATE_1,
4823   EL_GATE_2,
4824   EL_GATE_3,
4825   EL_GATE_4,
4826
4827   EL_GATE_1_GRAY,
4828   EL_GATE_2_GRAY,
4829   EL_GATE_3_GRAY,
4830   EL_GATE_4_GRAY,
4831
4832   EL_ARROW_LEFT,
4833   EL_ARROW_RIGHT,
4834   EL_ARROW_UP,
4835   EL_ARROW_DOWN,
4836
4837   EL_AMOEBA_DEAD,
4838   EL_AMOEBA_DRY,
4839   EL_AMOEBA_FULL,
4840   EL_GAME_OF_LIFE,
4841
4842   EL_EMERALD_YELLOW,
4843   EL_EMERALD_RED,
4844   EL_EMERALD_PURPLE,
4845   EL_BIOMAZE,
4846
4847   EL_WALL_EMERALD_YELLOW,
4848   EL_WALL_EMERALD_RED,
4849   EL_WALL_EMERALD_PURPLE,
4850   EL_WALL_BD_DIAMOND,
4851
4852   EL_SPEED_PILL,
4853   EL_PACMAN_UP,
4854   EL_TIME_ORB_FULL,
4855   EL_TIME_ORB_EMPTY,
4856
4857   EL_PACMAN_LEFT,
4858   EL_DARK_YAMYAM,
4859   EL_PACMAN_RIGHT,
4860   EL_YAMYAM,                    // RND
4861
4862   EL_BLACK_ORB,
4863   EL_PACMAN_DOWN,
4864   EL_LAMP,
4865   EL_LAMP_ACTIVE,
4866
4867   EL_DYNABOMB_INCREASE_NUMBER,
4868   EL_DYNABOMB_INCREASE_SIZE,
4869   EL_DYNABOMB_INCREASE_POWER,
4870   EL_STONEBLOCK,
4871
4872   EL_MOLE,
4873   EL_PENGUIN,
4874   EL_PIG,
4875   EL_DRAGON,
4876
4877   EL_BUG,
4878   EL_MOLE_UP,
4879   EL_BD_BUTTERFLY,
4880   EL_BD_FIREFLY,
4881
4882   EL_MOLE_LEFT,
4883   EL_SATELLITE,
4884   EL_MOLE_RIGHT,
4885   EL_PACMAN,
4886
4887   EL_SPACESHIP,
4888   EL_MOLE_DOWN,
4889   EL_INVISIBLE_STEELWALL,
4890   EL_INVISIBLE_WALL,
4891
4892   EL_EXPANDABLE_WALL,
4893   EL_EXPANDABLE_WALL_HORIZONTAL,
4894   EL_EXPANDABLE_WALL_VERTICAL,
4895   EL_EXPANDABLE_WALL_ANY,
4896 };
4897 static int *editor_hl_rnd_ptr = editor_hl_rnd;
4898 static int *editor_el_rnd_ptr = editor_el_rnd;
4899 static int num_editor_hl_rnd = ARRAY_SIZE(editor_hl_rnd);
4900 static int num_editor_el_rnd = ARRAY_SIZE(editor_el_rnd);
4901
4902 static int editor_hl_sokoban[] =
4903 {
4904   EL_INTERNAL_CASCADE_SB_ACTIVE,
4905   EL_CHAR('S'),
4906   EL_CHAR('B'),
4907   EL_EMPTY,
4908 };
4909
4910 static int editor_el_sokoban[] =
4911 {
4912   EL_SOKOBAN_OBJECT,
4913   EL_SOKOBAN_FIELD_EMPTY,
4914   EL_SOKOBAN_FIELD_FULL,
4915   EL_SOKOBAN_FIELD_PLAYER,
4916 };
4917 static int *editor_hl_sokoban_ptr = editor_hl_sokoban;
4918 static int *editor_el_sokoban_ptr = editor_el_sokoban;
4919 static int num_editor_hl_sokoban = ARRAY_SIZE(editor_hl_sokoban);
4920 static int num_editor_el_sokoban = ARRAY_SIZE(editor_el_sokoban);
4921
4922 static int editor_hl_supaplex[] =
4923 {
4924   EL_INTERNAL_CASCADE_SP_ACTIVE,
4925   EL_CHAR('S'),
4926   EL_CHAR('P'),
4927   EL_EMPTY,
4928 };
4929
4930 static int editor_el_supaplex[] =
4931 {
4932   EL_SP_MURPHY,
4933   EL_EMPTY,
4934   EL_SP_BASE,
4935   EL_SP_BUGGY_BASE,
4936
4937   EL_SP_INFOTRON,
4938   EL_SP_ZONK,
4939   EL_SP_SNIKSNAK,
4940   EL_SP_ELECTRON,
4941
4942   EL_SP_DISK_RED,
4943   EL_SP_DISK_ORANGE,
4944   EL_SP_DISK_YELLOW,
4945   EL_SP_TERMINAL,
4946
4947   EL_SP_EXIT_CLOSED,
4948   EL_SP_PORT_HORIZONTAL,
4949   EL_SP_PORT_VERTICAL,
4950   EL_SP_PORT_ANY,
4951
4952   EL_SP_PORT_LEFT,
4953   EL_SP_PORT_RIGHT,
4954   EL_SP_PORT_UP,
4955   EL_SP_PORT_DOWN,
4956
4957   EL_SP_GRAVITY_PORT_LEFT,
4958   EL_SP_GRAVITY_PORT_RIGHT,
4959   EL_SP_GRAVITY_PORT_UP,
4960   EL_SP_GRAVITY_PORT_DOWN,
4961
4962   EL_SP_GRAVITY_ON_PORT_LEFT,
4963   EL_SP_GRAVITY_ON_PORT_RIGHT,
4964   EL_SP_GRAVITY_ON_PORT_UP,
4965   EL_SP_GRAVITY_ON_PORT_DOWN,
4966
4967   EL_SP_GRAVITY_OFF_PORT_LEFT,
4968   EL_SP_GRAVITY_OFF_PORT_RIGHT,
4969   EL_SP_GRAVITY_OFF_PORT_UP,
4970   EL_SP_GRAVITY_OFF_PORT_DOWN,
4971
4972   EL_SP_HARDWARE_GRAY,
4973   EL_SP_HARDWARE_GREEN,
4974   EL_SP_HARDWARE_BLUE,
4975   EL_SP_HARDWARE_RED,
4976
4977   EL_SP_HARDWARE_BASE_1,
4978   EL_SP_HARDWARE_BASE_2,
4979   EL_SP_HARDWARE_BASE_3,
4980   EL_SP_HARDWARE_BASE_4,
4981
4982   EL_SP_HARDWARE_BASE_5,
4983   EL_SP_HARDWARE_BASE_6,
4984   EL_SP_HARDWARE_YELLOW,
4985   EL_SP_CHIP_TOP,
4986
4987   EL_SP_CHIP_SINGLE,
4988   EL_SP_CHIP_LEFT,
4989   EL_SP_CHIP_RIGHT,
4990   EL_SP_CHIP_BOTTOM,
4991 };
4992 static int *editor_hl_supaplex_ptr = editor_hl_supaplex;
4993 static int *editor_el_supaplex_ptr = editor_el_supaplex;
4994 static int num_editor_hl_supaplex = ARRAY_SIZE(editor_hl_supaplex);
4995 static int num_editor_el_supaplex = ARRAY_SIZE(editor_el_supaplex);
4996
4997 static int editor_hl_diamond_caves[] =
4998 {
4999   EL_INTERNAL_CASCADE_DC_ACTIVE,
5000   EL_CHAR('D'),
5001   EL_CHAR('C'),
5002   EL_CHAR('2'),
5003 };
5004
5005 static int editor_el_diamond_caves[] =
5006 {
5007   EL_EM_STEEL_EXIT_CLOSED,      // DC2
5008   EL_EM_STEEL_EXIT_OPEN,        // DC2
5009   EL_WALL_EMERALD,              // DC2
5010   EL_WALL_DIAMOND,              // DC2
5011
5012   EL_PEARL,
5013   EL_CRYSTAL,
5014   EL_WALL_PEARL,
5015   EL_WALL_CRYSTAL,
5016
5017   EL_CONVEYOR_BELT_1_LEFT,
5018   EL_CONVEYOR_BELT_1_MIDDLE,
5019   EL_CONVEYOR_BELT_1_RIGHT,
5020   EL_CONVEYOR_BELT_1_SWITCH_MIDDLE,
5021
5022   EL_CONVEYOR_BELT_2_LEFT,
5023   EL_CONVEYOR_BELT_2_MIDDLE,
5024   EL_CONVEYOR_BELT_2_RIGHT,
5025   EL_CONVEYOR_BELT_2_SWITCH_MIDDLE,
5026
5027   EL_CONVEYOR_BELT_3_LEFT,
5028   EL_CONVEYOR_BELT_3_MIDDLE,
5029   EL_CONVEYOR_BELT_3_RIGHT,
5030   EL_CONVEYOR_BELT_3_SWITCH_MIDDLE,
5031
5032   EL_CONVEYOR_BELT_4_LEFT,
5033   EL_CONVEYOR_BELT_4_MIDDLE,
5034   EL_CONVEYOR_BELT_4_RIGHT,
5035   EL_CONVEYOR_BELT_4_SWITCH_MIDDLE,
5036
5037   EL_CONVEYOR_BELT_1_SWITCH_LEFT,
5038   EL_CONVEYOR_BELT_2_SWITCH_LEFT,
5039   EL_CONVEYOR_BELT_3_SWITCH_LEFT,
5040   EL_CONVEYOR_BELT_4_SWITCH_LEFT,
5041
5042   EL_CONVEYOR_BELT_1_SWITCH_RIGHT,
5043   EL_CONVEYOR_BELT_2_SWITCH_RIGHT,
5044   EL_CONVEYOR_BELT_3_SWITCH_RIGHT,
5045   EL_CONVEYOR_BELT_4_SWITCH_RIGHT,
5046
5047   EL_TIMEGATE_CLOSED,
5048   EL_TIMEGATE_OPEN,
5049   EL_TIMEGATE_SWITCH,
5050   EL_DC_TIMEGATE_SWITCH,
5051
5052   EL_SWITCHGATE_CLOSED,
5053   EL_SWITCHGATE_OPEN,
5054   EL_SWITCHGATE_SWITCH_UP,
5055   EL_SWITCHGATE_SWITCH_DOWN,
5056
5057   EL_LIGHT_SWITCH,
5058   EL_LIGHT_SWITCH_ACTIVE,
5059   EL_DC_SWITCHGATE_SWITCH_UP,
5060   EL_DC_SWITCHGATE_SWITCH_DOWN,
5061
5062   EL_STEEL_EXIT_CLOSED,
5063   EL_STEEL_EXIT_OPEN,
5064   EL_STEELWALL_SLIPPERY,
5065   EL_INVISIBLE_SAND,
5066
5067   EL_QUICKSAND_FAST_EMPTY,
5068   EL_QUICKSAND_FAST_FULL,
5069   EL_LANDMINE,
5070   EL_DC_LANDMINE,
5071
5072   EL_SHIELD_NORMAL,
5073   EL_SHIELD_DEADLY,
5074   EL_EXTRA_TIME,
5075   EL_DC_MAGIC_WALL,
5076
5077   EL_ENVELOPE_1,
5078   EL_ENVELOPE_2,
5079   EL_ENVELOPE_3,
5080   EL_ENVELOPE_4,
5081
5082   EL_SIGN_RADIOACTIVITY,
5083   EL_SIGN_WHEELCHAIR,
5084   EL_SIGN_PARKING,
5085   EL_SIGN_NO_ENTRY,
5086
5087   EL_SIGN_GIVE_WAY,
5088   EL_SIGN_ENTRY_FORBIDDEN,
5089   EL_SIGN_EMERGENCY_EXIT,
5090   EL_SIGN_YIN_YANG,
5091
5092 #if 0
5093   EL_SIGN_SPERMS,
5094   EL_SIGN_BULLET,
5095   EL_SIGN_HEART,
5096   EL_SIGN_CROSS,
5097
5098   EL_SIGN_FRANKIE,
5099   EL_EMPTY,
5100   EL_EMPTY,
5101   EL_EMPTY,
5102
5103   EL_SPERMS,
5104   EL_BULLET,
5105   EL_HEART,
5106   EL_CROSS,
5107
5108   EL_FRANKIE,
5109   EL_EMPTY,
5110   EL_EMPTY,
5111   EL_EMPTY,
5112 #endif
5113
5114   EL_DC_STEELWALL_2_SINGLE,
5115   EL_DC_STEELWALL_2_TOP,
5116   EL_SIGN_EXCLAMATION,
5117   EL_SIGN_STOP,
5118
5119   EL_DC_STEELWALL_2_LEFT,
5120   EL_DC_STEELWALL_2_MIDDLE,
5121   EL_DC_STEELWALL_2_HORIZONTAL,
5122   EL_DC_STEELWALL_2_RIGHT,
5123
5124   EL_DC_STEELWALL_1_TOPLEFT,
5125   EL_DC_STEELWALL_2_VERTICAL,
5126   EL_DC_STEELWALL_1_TOPRIGHT,
5127   EL_DC_GATE_WHITE,
5128
5129   EL_DC_STEELWALL_1_VERTICAL,
5130   EL_DC_STEELWALL_2_BOTTOM,
5131   EL_DC_KEY_WHITE,
5132   EL_DC_GATE_WHITE_GRAY,
5133
5134   EL_DC_STEELWALL_1_BOTTOMLEFT,
5135   EL_DC_STEELWALL_1_HORIZONTAL,
5136   EL_DC_STEELWALL_1_BOTTOMRIGHT,
5137   EL_DC_GATE_FAKE_GRAY,
5138
5139   EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
5140   EL_DC_STEELWALL_1_BOTTOM,
5141   EL_DC_STEELWALL_1_BOTTOMLEFT_2,
5142   EL_EXPANDABLE_STEELWALL_HORIZONTAL,
5143
5144   EL_DC_STEELWALL_1_RIGHT,
5145   EL_EMPTY,
5146   EL_DC_STEELWALL_1_LEFT,
5147   EL_EXPANDABLE_STEELWALL_VERTICAL,
5148
5149   EL_DC_STEELWALL_1_TOPRIGHT_2,
5150   EL_DC_STEELWALL_1_TOP,
5151   EL_DC_STEELWALL_1_TOPLEFT_2,
5152   EL_EXPANDABLE_STEELWALL_ANY,
5153 };
5154 static int *editor_hl_diamond_caves_ptr = editor_hl_diamond_caves;
5155 static int *editor_el_diamond_caves_ptr = editor_el_diamond_caves;
5156 static int num_editor_hl_diamond_caves = ARRAY_SIZE(editor_hl_diamond_caves);
5157 static int num_editor_el_diamond_caves = ARRAY_SIZE(editor_el_diamond_caves);
5158
5159 static int editor_hl_dx_boulderdash[] =
5160 {
5161   EL_INTERNAL_CASCADE_DX_ACTIVE,
5162   EL_CHAR('D'),
5163   EL_CHAR('X'),
5164   EL_EMPTY,
5165 };
5166
5167 static int editor_el_dx_boulderdash[] =
5168 {
5169   EL_EMPTY,
5170   EL_TUBE_RIGHT_DOWN,
5171   EL_TUBE_HORIZONTAL_DOWN,
5172   EL_TUBE_LEFT_DOWN,
5173
5174   EL_TUBE_HORIZONTAL,
5175   EL_TUBE_VERTICAL_RIGHT,
5176   EL_TUBE_ANY,
5177   EL_TUBE_VERTICAL_LEFT,
5178
5179   EL_TUBE_VERTICAL,
5180   EL_TUBE_RIGHT_UP,
5181   EL_TUBE_HORIZONTAL_UP,
5182   EL_TUBE_LEFT_UP,
5183
5184   EL_TRAP,
5185   EL_DX_SUPABOMB,
5186   EL_EMPTY,
5187   EL_EMPTY
5188 };
5189 static int *editor_hl_dx_boulderdash_ptr = editor_hl_dx_boulderdash;
5190 static int *editor_el_dx_boulderdash_ptr = editor_el_dx_boulderdash;
5191 static int num_editor_hl_dx_boulderdash = ARRAY_SIZE(editor_hl_dx_boulderdash);
5192 static int num_editor_el_dx_boulderdash = ARRAY_SIZE(editor_el_dx_boulderdash);
5193
5194 static int editor_hl_mirror_magic[] =
5195 {
5196   EL_INTERNAL_CASCADE_MM_ACTIVE,
5197   EL_CHAR('M'),
5198   EL_CHAR('M'),
5199   EL_EMPTY,
5200 };
5201
5202 static int editor_el_mirror_magic[] =
5203 {
5204   EL_MM_MCDUFFIN_RIGHT,
5205   EL_MM_MCDUFFIN_UP,
5206   EL_MM_MCDUFFIN_LEFT,
5207   EL_MM_MCDUFFIN_DOWN,
5208
5209   EL_MM_MIRROR_START,
5210   EL_MM_MIRROR_FIXED_START,
5211   EL_MM_POLARIZER_START,
5212   EL_MM_POLARIZER_CROSS_START,
5213
5214   EL_MM_TELEPORTER_RED_START,
5215   EL_MM_TELEPORTER_YELLOW_START,
5216   EL_MM_TELEPORTER_GREEN_START,
5217   EL_MM_TELEPORTER_BLUE_START,
5218
5219   EL_MM_PRISM,
5220   EL_MM_FUSE_ACTIVE,
5221   EL_MM_PACMAN_RIGHT,
5222   EL_MM_EXIT_CLOSED,
5223
5224   EL_MM_KETTLE,
5225   EL_MM_BOMB,
5226   EL_MM_KEY,
5227   EL_MM_FUEL_FULL,
5228
5229   EL_MM_LIGHTBULB,
5230   EL_MM_LIGHTBULB_ACTIVE,
5231   EL_MM_GRAY_BALL,
5232   EL_MM_LIGHTBALL,
5233
5234   EL_MM_STEEL_WALL,
5235   EL_MM_WOODEN_WALL,
5236   EL_MM_ICE_WALL,
5237   EL_MM_AMOEBA_WALL,
5238
5239   EL_MM_STEEL_LOCK,
5240   EL_MM_WOODEN_LOCK,
5241   EL_MM_STEEL_BLOCK,
5242   EL_MM_WOODEN_BLOCK,
5243
5244   EL_MM_STEEL_GRID_FIXED_1,
5245   EL_MM_STEEL_GRID_FIXED_2,
5246   EL_MM_STEEL_GRID_FIXED_3,
5247   EL_MM_STEEL_GRID_FIXED_4,
5248
5249   EL_MM_WOODEN_GRID_FIXED_1,
5250   EL_MM_WOODEN_GRID_FIXED_2,
5251   EL_MM_WOODEN_GRID_FIXED_3,
5252   EL_MM_WOODEN_GRID_FIXED_4,
5253
5254   EL_MM_ENVELOPE_1,
5255   EL_MM_ENVELOPE_2,
5256   EL_MM_ENVELOPE_3,
5257   EL_MM_ENVELOPE_4
5258 };
5259 static int *editor_hl_mirror_magic_ptr = editor_hl_mirror_magic;
5260 static int *editor_el_mirror_magic_ptr = editor_el_mirror_magic;
5261 static int num_editor_hl_mirror_magic = ARRAY_SIZE(editor_hl_mirror_magic);
5262 static int num_editor_el_mirror_magic = ARRAY_SIZE(editor_el_mirror_magic);
5263
5264 static int editor_hl_deflektor[] =
5265 {
5266   EL_INTERNAL_CASCADE_DF_ACTIVE,
5267   EL_CHAR('D'),
5268   EL_CHAR('F'),
5269   EL_EMPTY,
5270 };
5271
5272 static int editor_el_deflektor[] =
5273 {
5274   EL_DF_LASER_RIGHT,
5275   EL_DF_LASER_UP,
5276   EL_DF_LASER_LEFT,
5277   EL_DF_LASER_DOWN,
5278
5279   EL_DF_RECEIVER_RIGHT,
5280   EL_DF_RECEIVER_UP,
5281   EL_DF_RECEIVER_LEFT,
5282   EL_DF_RECEIVER_DOWN,
5283
5284   EL_DF_MIRROR_START,
5285   EL_DF_MIRROR_ROTATING_START,
5286   EL_DF_MIRROR_FIXED_START,
5287   EL_DF_CELL,
5288
5289   EL_DF_FIBRE_OPTIC_RED_1,
5290   EL_DF_FIBRE_OPTIC_YELLOW_1,
5291   EL_DF_FIBRE_OPTIC_GREEN_1,
5292   EL_DF_FIBRE_OPTIC_BLUE_1,
5293
5294   EL_DF_STEEL_GRID_FIXED_START,
5295   EL_DF_STEEL_GRID_ROTATING_START,
5296   EL_DF_WOODEN_GRID_FIXED_START,
5297   EL_DF_WOODEN_GRID_ROTATING_START,
5298
5299   EL_DF_STEEL_WALL,
5300   EL_DF_WOODEN_WALL,
5301   EL_DF_REFRACTOR,
5302   EL_DF_MINE,
5303
5304   EL_DF_SLOPE_1,
5305   EL_DF_SLOPE_2,
5306   EL_DF_SLOPE_3,
5307   EL_DF_SLOPE_4
5308 };
5309 static int *editor_hl_deflektor_ptr = editor_hl_deflektor;
5310 static int *editor_el_deflektor_ptr = editor_el_deflektor;
5311 static int num_editor_hl_deflektor = ARRAY_SIZE(editor_hl_deflektor);
5312 static int num_editor_el_deflektor = ARRAY_SIZE(editor_el_deflektor);
5313
5314 static int editor_hl_chars[] =
5315 {
5316   EL_INTERNAL_CASCADE_CHARS_ACTIVE,
5317   EL_CHAR('T'),
5318   EL_CHAR('X'),
5319   EL_CHAR('T'),
5320 };
5321
5322 static int editor_el_chars[] =
5323 {
5324   EL_CHAR(' '),
5325   EL_CHAR('!'),
5326   EL_CHAR('"'),
5327   EL_CHAR('#'),
5328
5329   EL_CHAR('$'),
5330   EL_CHAR('%'),
5331   EL_CHAR('&'),
5332   EL_CHAR('\''),
5333
5334   EL_CHAR('('),
5335   EL_CHAR(')'),
5336   EL_CHAR('*'),
5337   EL_CHAR('+'),
5338
5339   EL_CHAR(','),
5340   EL_CHAR('-'),
5341   EL_CHAR('.'),
5342   EL_CHAR('/'),
5343
5344   EL_CHAR('0'),
5345   EL_CHAR('1'),
5346   EL_CHAR('2'),
5347   EL_CHAR('3'),
5348
5349   EL_CHAR('4'),
5350   EL_CHAR('5'),
5351   EL_CHAR('6'),
5352   EL_CHAR('7'),
5353
5354   EL_CHAR('8'),
5355   EL_CHAR('9'),
5356   EL_CHAR(':'),
5357   EL_CHAR(';'),
5358
5359   EL_CHAR('<'),
5360   EL_CHAR('='),
5361   EL_CHAR('>'),
5362   EL_CHAR('?'),
5363
5364   EL_CHAR('@'),
5365   EL_CHAR('A'),
5366   EL_CHAR('B'),
5367   EL_CHAR('C'),
5368
5369   EL_CHAR('D'),
5370   EL_CHAR('E'),
5371   EL_CHAR('F'),
5372   EL_CHAR('G'),
5373
5374   EL_CHAR('H'),
5375   EL_CHAR('I'),
5376   EL_CHAR('J'),
5377   EL_CHAR('K'),
5378
5379   EL_CHAR('L'),
5380   EL_CHAR('M'),
5381   EL_CHAR('N'),
5382   EL_CHAR('O'),
5383
5384   EL_CHAR('P'),
5385   EL_CHAR('Q'),
5386   EL_CHAR('R'),
5387   EL_CHAR('S'),
5388
5389   EL_CHAR('T'),
5390   EL_CHAR('U'),
5391   EL_CHAR('V'),
5392   EL_CHAR('W'),
5393
5394   EL_CHAR('X'),
5395   EL_CHAR('Y'),
5396   EL_CHAR('Z'),
5397   EL_CHAR('['),
5398
5399   EL_CHAR('\\'),
5400   EL_CHAR(']'),
5401   EL_CHAR('^'),
5402   EL_CHAR('_'),
5403
5404   EL_CHAR(CHAR_BYTE_COPYRIGHT),
5405   EL_CHAR(CHAR_BYTE_UMLAUT_A),
5406   EL_CHAR(CHAR_BYTE_UMLAUT_O),
5407   EL_CHAR(CHAR_BYTE_UMLAUT_U),
5408
5409   EL_CHAR(CHAR_BYTE_DEGREE),
5410   EL_CHAR(CHAR_BYTE_REGISTERED),
5411   EL_CHAR(FONT_ASCII_CURSOR),
5412   EL_CHAR(FONT_ASCII_BUTTON),
5413
5414   EL_CHAR(FONT_ASCII_UP),
5415   EL_CHAR(FONT_ASCII_DOWN),
5416   EL_CHAR(' '),
5417   EL_CHAR(' ')
5418 };
5419 static int *editor_hl_chars_ptr = editor_hl_chars;
5420 static int *editor_el_chars_ptr = editor_el_chars;
5421 static int num_editor_hl_chars = ARRAY_SIZE(editor_hl_chars);
5422 static int num_editor_el_chars = ARRAY_SIZE(editor_el_chars);
5423
5424 static int editor_hl_steel_chars[] =
5425 {
5426   EL_INTERNAL_CASCADE_STEEL_CHARS_ACTIVE,
5427   EL_STEEL_CHAR('T'),
5428   EL_STEEL_CHAR('X'),
5429   EL_STEEL_CHAR('T'),
5430 };
5431
5432 static int editor_el_steel_chars[] =
5433 {
5434   EL_STEEL_CHAR(' '),
5435   EL_STEEL_CHAR('!'),
5436   EL_STEEL_CHAR('"'),
5437   EL_STEEL_CHAR('#'),
5438
5439   EL_STEEL_CHAR('$'),
5440   EL_STEEL_CHAR('%'),
5441   EL_STEEL_CHAR('&'),
5442   EL_STEEL_CHAR('\''),
5443
5444   EL_STEEL_CHAR('('),
5445   EL_STEEL_CHAR(')'),
5446   EL_STEEL_CHAR('*'),
5447   EL_STEEL_CHAR('+'),
5448
5449   EL_STEEL_CHAR(','),
5450   EL_STEEL_CHAR('-'),
5451   EL_STEEL_CHAR('.'),
5452   EL_STEEL_CHAR('/'),
5453
5454   EL_STEEL_CHAR('0'),
5455   EL_STEEL_CHAR('1'),
5456   EL_STEEL_CHAR('2'),
5457   EL_STEEL_CHAR('3'),
5458
5459   EL_STEEL_CHAR('4'),
5460   EL_STEEL_CHAR('5'),
5461   EL_STEEL_CHAR('6'),
5462   EL_STEEL_CHAR('7'),
5463
5464   EL_STEEL_CHAR('8'),
5465   EL_STEEL_CHAR('9'),
5466   EL_STEEL_CHAR(':'),
5467   EL_STEEL_CHAR(';'),
5468
5469   EL_STEEL_CHAR('<'),
5470   EL_STEEL_CHAR('='),
5471   EL_STEEL_CHAR('>'),
5472   EL_STEEL_CHAR('?'),
5473
5474   EL_STEEL_CHAR('@'),
5475   EL_STEEL_CHAR('A'),
5476   EL_STEEL_CHAR('B'),
5477   EL_STEEL_CHAR('C'),
5478
5479   EL_STEEL_CHAR('D'),
5480   EL_STEEL_CHAR('E'),
5481   EL_STEEL_CHAR('F'),
5482   EL_STEEL_CHAR('G'),
5483
5484   EL_STEEL_CHAR('H'),
5485   EL_STEEL_CHAR('I'),
5486   EL_STEEL_CHAR('J'),
5487   EL_STEEL_CHAR('K'),
5488
5489   EL_STEEL_CHAR('L'),
5490   EL_STEEL_CHAR('M'),
5491   EL_STEEL_CHAR('N'),
5492   EL_STEEL_CHAR('O'),
5493
5494   EL_STEEL_CHAR('P'),
5495   EL_STEEL_CHAR('Q'),
5496   EL_STEEL_CHAR('R'),
5497   EL_STEEL_CHAR('S'),
5498
5499   EL_STEEL_CHAR('T'),
5500   EL_STEEL_CHAR('U'),
5501   EL_STEEL_CHAR('V'),
5502   EL_STEEL_CHAR('W'),
5503
5504   EL_STEEL_CHAR('X'),
5505   EL_STEEL_CHAR('Y'),
5506   EL_STEEL_CHAR('Z'),
5507   EL_STEEL_CHAR('['),
5508
5509   EL_STEEL_CHAR('\\'),
5510   EL_STEEL_CHAR(']'),
5511   EL_STEEL_CHAR('^'),
5512   EL_STEEL_CHAR('_'),
5513
5514   EL_STEEL_CHAR(CHAR_BYTE_COPYRIGHT),
5515   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_A),
5516   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_O),
5517   EL_STEEL_CHAR(CHAR_BYTE_UMLAUT_U),
5518
5519   EL_STEEL_CHAR(CHAR_BYTE_DEGREE),
5520   EL_STEEL_CHAR(CHAR_BYTE_REGISTERED),
5521   EL_STEEL_CHAR(FONT_ASCII_CURSOR),
5522   EL_STEEL_CHAR(FONT_ASCII_BUTTON),
5523
5524   EL_STEEL_CHAR(FONT_ASCII_UP),
5525   EL_STEEL_CHAR(FONT_ASCII_DOWN),
5526   EL_STEEL_CHAR(' '),
5527   EL_STEEL_CHAR(' ')
5528 };
5529 static int *editor_hl_steel_chars_ptr = editor_hl_steel_chars;
5530 static int *editor_el_steel_chars_ptr = editor_el_steel_chars;
5531 static int num_editor_hl_steel_chars = ARRAY_SIZE(editor_hl_steel_chars);
5532 static int num_editor_el_steel_chars = ARRAY_SIZE(editor_el_steel_chars);
5533
5534 static int editor_hl_custom[] =
5535 {
5536   EL_INTERNAL_CASCADE_CE_ACTIVE,
5537   EL_CHAR('C'),
5538   EL_CHAR('E'),
5539   EL_EMPTY,
5540 };
5541
5542 static int editor_el_custom[] =
5543 {
5544   EL_CUSTOM_START + 0,
5545   EL_CUSTOM_START + 1,
5546   EL_CUSTOM_START + 2,
5547   EL_CUSTOM_START + 3,
5548
5549   EL_CUSTOM_START + 4,
5550   EL_CUSTOM_START + 5,
5551   EL_CUSTOM_START + 6,
5552   EL_CUSTOM_START + 7,
5553
5554   EL_CUSTOM_START + 8,
5555   EL_CUSTOM_START + 9,
5556   EL_CUSTOM_START + 10,
5557   EL_CUSTOM_START + 11,
5558
5559   EL_CUSTOM_START + 12,
5560   EL_CUSTOM_START + 13,
5561   EL_CUSTOM_START + 14,
5562   EL_CUSTOM_START + 15,
5563
5564   EL_CUSTOM_START + 16,
5565   EL_CUSTOM_START + 17,
5566   EL_CUSTOM_START + 18,
5567   EL_CUSTOM_START + 19,
5568
5569   EL_CUSTOM_START + 20,
5570   EL_CUSTOM_START + 21,
5571   EL_CUSTOM_START + 22,
5572   EL_CUSTOM_START + 23,
5573
5574   EL_CUSTOM_START + 24,
5575   EL_CUSTOM_START + 25,
5576   EL_CUSTOM_START + 26,
5577   EL_CUSTOM_START + 27,
5578
5579   EL_CUSTOM_START + 28,
5580   EL_CUSTOM_START + 29,
5581   EL_CUSTOM_START + 30,
5582   EL_CUSTOM_START + 31,
5583
5584   EL_CUSTOM_START + 32,
5585   EL_CUSTOM_START + 33,
5586   EL_CUSTOM_START + 34,
5587   EL_CUSTOM_START + 35,
5588
5589   EL_CUSTOM_START + 36,
5590   EL_CUSTOM_START + 37,
5591   EL_CUSTOM_START + 38,
5592   EL_CUSTOM_START + 39,
5593
5594   EL_CUSTOM_START + 40,
5595   EL_CUSTOM_START + 41,
5596   EL_CUSTOM_START + 42,
5597   EL_CUSTOM_START + 43,
5598
5599   EL_CUSTOM_START + 44,
5600   EL_CUSTOM_START + 45,
5601   EL_CUSTOM_START + 46,
5602   EL_CUSTOM_START + 47,
5603
5604   EL_CUSTOM_START + 48,
5605   EL_CUSTOM_START + 49,
5606   EL_CUSTOM_START + 50,
5607   EL_CUSTOM_START + 51,
5608
5609   EL_CUSTOM_START + 52,
5610   EL_CUSTOM_START + 53,
5611   EL_CUSTOM_START + 54,
5612   EL_CUSTOM_START + 55,
5613
5614   EL_CUSTOM_START + 56,
5615   EL_CUSTOM_START + 57,
5616   EL_CUSTOM_START + 58,
5617   EL_CUSTOM_START + 59,
5618
5619   EL_CUSTOM_START + 60,
5620   EL_CUSTOM_START + 61,
5621   EL_CUSTOM_START + 62,
5622   EL_CUSTOM_START + 63,
5623
5624   EL_CUSTOM_START + 64,
5625   EL_CUSTOM_START + 65,
5626   EL_CUSTOM_START + 66,
5627   EL_CUSTOM_START + 67,
5628
5629   EL_CUSTOM_START + 68,
5630   EL_CUSTOM_START + 69,
5631   EL_CUSTOM_START + 70,
5632   EL_CUSTOM_START + 71,
5633
5634   EL_CUSTOM_START + 72,
5635   EL_CUSTOM_START + 73,
5636   EL_CUSTOM_START + 74,
5637   EL_CUSTOM_START + 75,
5638
5639   EL_CUSTOM_START + 76,
5640   EL_CUSTOM_START + 77,
5641   EL_CUSTOM_START + 78,
5642   EL_CUSTOM_START + 79,
5643
5644   EL_CUSTOM_START + 80,
5645   EL_CUSTOM_START + 81,
5646   EL_CUSTOM_START + 82,
5647   EL_CUSTOM_START + 83,
5648
5649   EL_CUSTOM_START + 84,
5650   EL_CUSTOM_START + 85,
5651   EL_CUSTOM_START + 86,
5652   EL_CUSTOM_START + 87,
5653
5654   EL_CUSTOM_START + 88,
5655   EL_CUSTOM_START + 89,
5656   EL_CUSTOM_START + 90,
5657   EL_CUSTOM_START + 91,
5658
5659   EL_CUSTOM_START + 92,
5660   EL_CUSTOM_START + 93,
5661   EL_CUSTOM_START + 94,
5662   EL_CUSTOM_START + 95,
5663
5664   EL_CUSTOM_START + 96,
5665   EL_CUSTOM_START + 97,
5666   EL_CUSTOM_START + 98,
5667   EL_CUSTOM_START + 99,
5668
5669   EL_CUSTOM_START + 100,
5670   EL_CUSTOM_START + 101,
5671   EL_CUSTOM_START + 102,
5672   EL_CUSTOM_START + 103,
5673
5674   EL_CUSTOM_START + 104,
5675   EL_CUSTOM_START + 105,
5676   EL_CUSTOM_START + 106,
5677   EL_CUSTOM_START + 107,
5678
5679   EL_CUSTOM_START + 108,
5680   EL_CUSTOM_START + 109,
5681   EL_CUSTOM_START + 110,
5682   EL_CUSTOM_START + 111,
5683
5684   EL_CUSTOM_START + 112,
5685   EL_CUSTOM_START + 113,
5686   EL_CUSTOM_START + 114,
5687   EL_CUSTOM_START + 115,
5688
5689   EL_CUSTOM_START + 116,
5690   EL_CUSTOM_START + 117,
5691   EL_CUSTOM_START + 118,
5692   EL_CUSTOM_START + 119,
5693
5694   EL_CUSTOM_START + 120,
5695   EL_CUSTOM_START + 121,
5696   EL_CUSTOM_START + 122,
5697   EL_CUSTOM_START + 123,
5698
5699   EL_CUSTOM_START + 124,
5700   EL_CUSTOM_START + 125,
5701   EL_CUSTOM_START + 126,
5702   EL_CUSTOM_START + 127,
5703
5704   EL_CUSTOM_START + 128,
5705   EL_CUSTOM_START + 129,
5706   EL_CUSTOM_START + 130,
5707   EL_CUSTOM_START + 131,
5708
5709   EL_CUSTOM_START + 132,
5710   EL_CUSTOM_START + 133,
5711   EL_CUSTOM_START + 134,
5712   EL_CUSTOM_START + 135,
5713
5714   EL_CUSTOM_START + 136,
5715   EL_CUSTOM_START + 137,
5716   EL_CUSTOM_START + 138,
5717   EL_CUSTOM_START + 139,
5718
5719   EL_CUSTOM_START + 140,
5720   EL_CUSTOM_START + 141,
5721   EL_CUSTOM_START + 142,
5722   EL_CUSTOM_START + 143,
5723
5724   EL_CUSTOM_START + 144,
5725   EL_CUSTOM_START + 145,
5726   EL_CUSTOM_START + 146,
5727   EL_CUSTOM_START + 147,
5728
5729   EL_CUSTOM_START + 148,
5730   EL_CUSTOM_START + 149,
5731   EL_CUSTOM_START + 150,
5732   EL_CUSTOM_START + 151,
5733
5734   EL_CUSTOM_START + 152,
5735   EL_CUSTOM_START + 153,
5736   EL_CUSTOM_START + 154,
5737   EL_CUSTOM_START + 155,
5738
5739   EL_CUSTOM_START + 156,
5740   EL_CUSTOM_START + 157,
5741   EL_CUSTOM_START + 158,
5742   EL_CUSTOM_START + 159,
5743
5744   EL_CUSTOM_START + 160,
5745   EL_CUSTOM_START + 161,
5746   EL_CUSTOM_START + 162,
5747   EL_CUSTOM_START + 163,
5748
5749   EL_CUSTOM_START + 164,
5750   EL_CUSTOM_START + 165,
5751   EL_CUSTOM_START + 166,
5752   EL_CUSTOM_START + 167,
5753
5754   EL_CUSTOM_START + 168,
5755   EL_CUSTOM_START + 169,
5756   EL_CUSTOM_START + 170,
5757   EL_CUSTOM_START + 171,
5758
5759   EL_CUSTOM_START + 172,
5760   EL_CUSTOM_START + 173,
5761   EL_CUSTOM_START + 174,
5762   EL_CUSTOM_START + 175,
5763
5764   EL_CUSTOM_START + 176,
5765   EL_CUSTOM_START + 177,
5766   EL_CUSTOM_START + 178,
5767   EL_CUSTOM_START + 179,
5768
5769   EL_CUSTOM_START + 180,
5770   EL_CUSTOM_START + 181,
5771   EL_CUSTOM_START + 182,
5772   EL_CUSTOM_START + 183,
5773
5774   EL_CUSTOM_START + 184,
5775   EL_CUSTOM_START + 185,
5776   EL_CUSTOM_START + 186,
5777   EL_CUSTOM_START + 187,
5778
5779   EL_CUSTOM_START + 188,
5780   EL_CUSTOM_START + 189,
5781   EL_CUSTOM_START + 190,
5782   EL_CUSTOM_START + 191,
5783
5784   EL_CUSTOM_START + 192,
5785   EL_CUSTOM_START + 193,
5786   EL_CUSTOM_START + 194,
5787   EL_CUSTOM_START + 195,
5788
5789   EL_CUSTOM_START + 196,
5790   EL_CUSTOM_START + 197,
5791   EL_CUSTOM_START + 198,
5792   EL_CUSTOM_START + 199,
5793
5794   EL_CUSTOM_START + 200,
5795   EL_CUSTOM_START + 201,
5796   EL_CUSTOM_START + 202,
5797   EL_CUSTOM_START + 203,
5798
5799   EL_CUSTOM_START + 204,
5800   EL_CUSTOM_START + 205,
5801   EL_CUSTOM_START + 206,
5802   EL_CUSTOM_START + 207,
5803
5804   EL_CUSTOM_START + 208,
5805   EL_CUSTOM_START + 209,
5806   EL_CUSTOM_START + 210,
5807   EL_CUSTOM_START + 211,
5808
5809   EL_CUSTOM_START + 212,
5810   EL_CUSTOM_START + 213,
5811   EL_CUSTOM_START + 214,
5812   EL_CUSTOM_START + 215,
5813
5814   EL_CUSTOM_START + 216,
5815   EL_CUSTOM_START + 217,
5816   EL_CUSTOM_START + 218,
5817   EL_CUSTOM_START + 219,
5818
5819   EL_CUSTOM_START + 220,
5820   EL_CUSTOM_START + 221,
5821   EL_CUSTOM_START + 222,
5822   EL_CUSTOM_START + 223,
5823
5824   EL_CUSTOM_START + 224,
5825   EL_CUSTOM_START + 225,
5826   EL_CUSTOM_START + 226,
5827   EL_CUSTOM_START + 227,
5828
5829   EL_CUSTOM_START + 228,
5830   EL_CUSTOM_START + 229,
5831   EL_CUSTOM_START + 230,
5832   EL_CUSTOM_START + 231,
5833
5834   EL_CUSTOM_START + 232,
5835   EL_CUSTOM_START + 233,
5836   EL_CUSTOM_START + 234,
5837   EL_CUSTOM_START + 235,
5838
5839   EL_CUSTOM_START + 236,
5840   EL_CUSTOM_START + 237,
5841   EL_CUSTOM_START + 238,
5842   EL_CUSTOM_START + 239,
5843
5844   EL_CUSTOM_START + 240,
5845   EL_CUSTOM_START + 241,
5846   EL_CUSTOM_START + 242,
5847   EL_CUSTOM_START + 243,
5848
5849   EL_CUSTOM_START + 244,
5850   EL_CUSTOM_START + 245,
5851   EL_CUSTOM_START + 246,
5852   EL_CUSTOM_START + 247,
5853
5854   EL_CUSTOM_START + 248,
5855   EL_CUSTOM_START + 249,
5856   EL_CUSTOM_START + 250,
5857   EL_CUSTOM_START + 251,
5858
5859   EL_CUSTOM_START + 252,
5860   EL_CUSTOM_START + 253,
5861   EL_CUSTOM_START + 254,
5862   EL_CUSTOM_START + 255
5863 };
5864 static int *editor_hl_custom_ptr = editor_hl_custom;
5865 static int *editor_el_custom_ptr = editor_el_custom;
5866 static int num_editor_hl_custom = ARRAY_SIZE(editor_hl_custom);
5867 static int num_editor_el_custom = ARRAY_SIZE(editor_el_custom);
5868
5869 static int editor_hl_group[] =
5870 {
5871   EL_INTERNAL_CASCADE_GE_ACTIVE,
5872   EL_CHAR('G'),
5873   EL_CHAR('E'),
5874   EL_EMPTY,
5875 };
5876
5877 static int editor_el_group[] =
5878 {
5879   EL_GROUP_START + 0,
5880   EL_GROUP_START + 1,
5881   EL_GROUP_START + 2,
5882   EL_GROUP_START + 3,
5883
5884   EL_GROUP_START + 4,
5885   EL_GROUP_START + 5,
5886   EL_GROUP_START + 6,
5887   EL_GROUP_START + 7,
5888
5889   EL_GROUP_START + 8,
5890   EL_GROUP_START + 9,
5891   EL_GROUP_START + 10,
5892   EL_GROUP_START + 11,
5893
5894   EL_GROUP_START + 12,
5895   EL_GROUP_START + 13,
5896   EL_GROUP_START + 14,
5897   EL_GROUP_START + 15,
5898
5899   EL_GROUP_START + 16,
5900   EL_GROUP_START + 17,
5901   EL_GROUP_START + 18,
5902   EL_GROUP_START + 19,
5903
5904   EL_GROUP_START + 20,
5905   EL_GROUP_START + 21,
5906   EL_GROUP_START + 22,
5907   EL_GROUP_START + 23,
5908
5909   EL_GROUP_START + 24,
5910   EL_GROUP_START + 25,
5911   EL_GROUP_START + 26,
5912   EL_GROUP_START + 27,
5913
5914   EL_GROUP_START + 28,
5915   EL_GROUP_START + 29,
5916   EL_GROUP_START + 30,
5917   EL_GROUP_START + 31
5918 };
5919 static int *editor_hl_group_ptr = editor_hl_group;
5920 static int *editor_el_group_ptr = editor_el_group;
5921 static int num_editor_hl_group = ARRAY_SIZE(editor_hl_group);
5922 static int num_editor_el_group = ARRAY_SIZE(editor_el_group);
5923
5924 static int editor_hl_empty_space[] =
5925 {
5926   EL_INTERNAL_CASCADE_ES_ACTIVE,
5927   EL_CHAR('E'),
5928   EL_CHAR('S'),
5929   EL_EMPTY,
5930 };
5931
5932 static int editor_el_empty_space[] =
5933 {
5934   EL_EMPTY_SPACE_1,
5935   EL_EMPTY_SPACE_2,
5936   EL_EMPTY_SPACE_3,
5937   EL_EMPTY_SPACE_4,
5938
5939   EL_EMPTY_SPACE_5,
5940   EL_EMPTY_SPACE_6,
5941   EL_EMPTY_SPACE_7,
5942   EL_EMPTY_SPACE_8,
5943
5944   EL_EMPTY_SPACE_9,
5945   EL_EMPTY_SPACE_10,
5946   EL_EMPTY_SPACE_11,
5947   EL_EMPTY_SPACE_12,
5948
5949   EL_EMPTY_SPACE_13,
5950   EL_EMPTY_SPACE_14,
5951   EL_EMPTY_SPACE_15,
5952   EL_EMPTY_SPACE_16
5953 };
5954 static int *editor_hl_empty_space_ptr = editor_hl_empty_space;
5955 static int *editor_el_empty_space_ptr = editor_el_empty_space;
5956 static int num_editor_hl_empty_space = ARRAY_SIZE(editor_hl_empty_space);
5957 static int num_editor_el_empty_space = ARRAY_SIZE(editor_el_empty_space);
5958
5959 static int editor_hl_reference[] =
5960 {
5961   EL_INTERNAL_CASCADE_REF_ACTIVE,
5962   EL_CHAR('R'),
5963   EL_CHAR('E'),
5964   EL_CHAR('F')
5965 };
5966
5967 static int editor_el_reference[] =
5968 {
5969   EL_TRIGGER_PLAYER,
5970   EL_TRIGGER_ELEMENT,
5971   EL_TRIGGER_CE_VALUE,
5972   EL_TRIGGER_CE_SCORE,
5973
5974   EL_SELF,
5975   EL_ANY_ELEMENT,
5976   EL_CURRENT_CE_VALUE,
5977   EL_CURRENT_CE_SCORE,
5978
5979   EL_PREV_CE_8,
5980   EL_PREV_CE_7,
5981   EL_PREV_CE_6,
5982   EL_PREV_CE_5,
5983
5984   EL_PREV_CE_4,
5985   EL_PREV_CE_3,
5986   EL_PREV_CE_2,
5987   EL_PREV_CE_1,
5988
5989   EL_NEXT_CE_1,
5990   EL_NEXT_CE_2,
5991   EL_NEXT_CE_3,
5992   EL_NEXT_CE_4,
5993
5994   EL_NEXT_CE_5,
5995   EL_NEXT_CE_6,
5996   EL_NEXT_CE_7,
5997   EL_NEXT_CE_8,
5998 };
5999 static int *editor_hl_reference_ptr = editor_hl_reference;
6000 static int *editor_el_reference_ptr = editor_el_reference;
6001 static int num_editor_hl_reference = ARRAY_SIZE(editor_hl_reference);
6002 static int num_editor_el_reference = ARRAY_SIZE(editor_el_reference);
6003
6004 static int editor_hl_user_defined[] =
6005 {
6006   EL_INTERNAL_CASCADE_USER_ACTIVE,
6007   EL_CHAR('M'),
6008   EL_CHAR('Y'),
6009   EL_EMPTY,
6010 };
6011
6012 static int *editor_hl_user_defined_ptr = editor_hl_user_defined;
6013 static int *editor_el_user_defined_ptr = NULL;
6014 static int num_editor_hl_user_defined = ARRAY_SIZE(editor_hl_user_defined);
6015 static int num_editor_el_user_defined = 0;
6016
6017 static int editor_hl_dynamic[] =
6018 {
6019   EL_INTERNAL_CASCADE_DYNAMIC_ACTIVE,
6020   EL_CHAR('U'),
6021   EL_CHAR('S'),
6022   EL_CHAR('E'),
6023 };
6024
6025 static int *editor_hl_dynamic_ptr = editor_hl_dynamic;
6026 static int *editor_el_dynamic_ptr = NULL;
6027 static int num_editor_hl_dynamic = ARRAY_SIZE(editor_hl_dynamic);
6028 static int num_editor_el_dynamic = 0;
6029
6030 static int editor_hl_empty[] = { EL_EMPTY };
6031 static int *editor_el_empty = NULL;     // dynamically allocated
6032
6033 static int *editor_hl_empty_ptr = editor_hl_empty;
6034 static int *editor_el_empty_ptr = NULL;
6035 static int num_editor_hl_empty = 0;
6036 static int num_editor_el_empty = 0;     // dynamically determined, if needed
6037
6038 static boolean use_el_empty = FALSE;
6039
6040 static int *editor_elements = NULL;     // dynamically allocated
6041 static int num_editor_elements = 0;     // dynamically determined
6042
6043 static boolean setup_editor_cascade_never = FALSE;
6044
6045 static boolean setup_editor_el_players                  = TRUE;
6046 static boolean setup_editor_el_boulderdash              = TRUE;
6047 static boolean setup_editor_el_boulderdash_native       = TRUE;
6048 static boolean setup_editor_el_emerald_mine             = TRUE;
6049 static boolean setup_editor_el_emerald_mine_club        = TRUE;
6050 static boolean setup_editor_el_more                     = TRUE;
6051 static boolean setup_editor_el_sokoban                  = TRUE;
6052 static boolean setup_editor_el_supaplex                 = TRUE;
6053 static boolean setup_editor_el_diamond_caves            = TRUE;
6054 static boolean setup_editor_el_dx_boulderdash           = TRUE;
6055 static boolean setup_editor_el_mirror_magic             = TRUE;
6056 static boolean setup_editor_el_deflektor                = TRUE;
6057 static boolean setup_editor_el_chars                    = TRUE;
6058 static boolean setup_editor_el_steel_chars              = TRUE;
6059 static boolean setup_editor_el_custom                   = TRUE;
6060 static boolean setup_editor_el_user_defined             = TRUE;
6061 static boolean setup_editor_el_dynamic                  = TRUE;
6062
6063 static int editor_hl_unused[] = { EL_EMPTY };
6064 static int *editor_hl_unused_ptr = editor_hl_unused;
6065 static int num_editor_hl_unused = 0;
6066
6067 static struct
6068 {
6069   boolean *setup_value;
6070   boolean *setup_cascade_value;
6071
6072   int **headline_list;
6073   int *headline_list_size;
6074
6075   int **element_list;
6076   int *element_list_size;
6077
6078   boolean last_setup_value;
6079 }
6080 editor_elements_info[] =
6081 {
6082   {
6083     &setup_editor_el_players,
6084     &setup_editor_cascade_never,
6085     &editor_hl_unused_ptr,              &num_editor_hl_unused,
6086     &editor_el_players_ptr,             &num_editor_el_players
6087   },
6088   {
6089     &setup_editor_el_boulderdash,
6090     &setup.editor_cascade.el_bd,
6091     &editor_hl_boulderdash_ptr,         &num_editor_hl_boulderdash,
6092     &editor_el_boulderdash_ptr,         &num_editor_el_boulderdash
6093   },
6094   {
6095     &setup_editor_el_boulderdash_native,
6096     &setup.editor_cascade.el_bd_native,
6097     &editor_hl_boulderdash_native_ptr,  &num_editor_hl_boulderdash_native,
6098     &editor_el_boulderdash_native_ptr,  &num_editor_el_boulderdash_native
6099   },
6100   {
6101     &setup_editor_el_emerald_mine,
6102     &setup.editor_cascade.el_em,
6103     &editor_hl_emerald_mine_ptr,        &num_editor_hl_emerald_mine,
6104     &editor_el_emerald_mine_ptr,        &num_editor_el_emerald_mine
6105   },
6106   {
6107     &setup_editor_el_emerald_mine_club,
6108     &setup.editor_cascade.el_emc,
6109     &editor_hl_emerald_mine_club_ptr,   &num_editor_hl_emerald_mine_club,
6110     &editor_el_emerald_mine_club_ptr,   &num_editor_el_emerald_mine_club
6111   },
6112   {
6113     &setup_editor_el_more,
6114     &setup.editor_cascade.el_rnd,
6115     &editor_hl_rnd_ptr,                 &num_editor_hl_rnd,
6116     &editor_el_rnd_ptr,                 &num_editor_el_rnd
6117   },
6118   {
6119     &setup_editor_el_sokoban,
6120     &setup.editor_cascade.el_sb,
6121     &editor_hl_sokoban_ptr,             &num_editor_hl_sokoban,
6122     &editor_el_sokoban_ptr,             &num_editor_el_sokoban
6123   },
6124   {
6125     &setup_editor_el_supaplex,
6126     &setup.editor_cascade.el_sp,
6127     &editor_hl_supaplex_ptr,            &num_editor_hl_supaplex,
6128     &editor_el_supaplex_ptr,            &num_editor_el_supaplex
6129   },
6130   {
6131     &setup_editor_el_diamond_caves,
6132     &setup.editor_cascade.el_dc,
6133     &editor_hl_diamond_caves_ptr,       &num_editor_hl_diamond_caves,
6134     &editor_el_diamond_caves_ptr,       &num_editor_el_diamond_caves
6135   },
6136   {
6137     &setup_editor_el_dx_boulderdash,
6138     &setup.editor_cascade.el_dx,
6139     &editor_hl_dx_boulderdash_ptr,      &num_editor_hl_dx_boulderdash,
6140     &editor_el_dx_boulderdash_ptr,      &num_editor_el_dx_boulderdash
6141   },
6142   {
6143     &setup_editor_el_mirror_magic,
6144     &setup.editor_cascade.el_mm,
6145     &editor_hl_mirror_magic_ptr,        &num_editor_hl_mirror_magic,
6146     &editor_el_mirror_magic_ptr,        &num_editor_el_mirror_magic
6147   },
6148   {
6149     &setup_editor_el_deflektor,
6150     &setup.editor_cascade.el_df,
6151     &editor_hl_deflektor_ptr,           &num_editor_hl_deflektor,
6152     &editor_el_deflektor_ptr,           &num_editor_el_deflektor
6153   },
6154   {
6155     &setup_editor_el_chars,
6156     &setup.editor_cascade.el_chars,
6157     &editor_hl_chars_ptr,               &num_editor_hl_chars,
6158     &editor_el_chars_ptr,               &num_editor_el_chars
6159   },
6160   {
6161     &setup_editor_el_steel_chars,
6162     &setup.editor_cascade.el_steel_chars,
6163     &editor_hl_steel_chars_ptr,         &num_editor_hl_steel_chars,
6164     &editor_el_steel_chars_ptr,         &num_editor_el_steel_chars
6165   },
6166   {
6167     &setup_editor_el_custom,
6168     &setup.editor_cascade.el_ce,
6169     &editor_hl_custom_ptr,              &num_editor_hl_custom,
6170     &editor_el_custom_ptr,              &num_editor_el_custom
6171   },
6172   {
6173     &setup_editor_el_custom,
6174     &setup.editor_cascade.el_ge,
6175     &editor_hl_group_ptr,               &num_editor_hl_group,
6176     &editor_el_group_ptr,               &num_editor_el_group
6177   },
6178   {
6179     &setup_editor_el_custom,
6180     &setup.editor_cascade.el_es,
6181     &editor_hl_empty_space_ptr,         &num_editor_hl_empty_space,
6182     &editor_el_empty_space_ptr,         &num_editor_el_empty_space
6183   },
6184   {
6185     &setup_editor_el_custom,
6186     &setup.editor_cascade.el_ref,
6187     &editor_hl_reference_ptr,           &num_editor_hl_reference,
6188     &editor_el_reference_ptr,           &num_editor_el_reference
6189   },
6190   {
6191     &setup_editor_el_user_defined,
6192     &setup.editor_cascade.el_user,
6193     &editor_hl_user_defined_ptr,        &num_editor_hl_user_defined,
6194     &editor_el_user_defined_ptr,        &num_editor_el_user_defined
6195   },
6196   {
6197     &setup_editor_el_dynamic,
6198     &setup.editor_cascade.el_dynamic,
6199     &editor_hl_dynamic_ptr,             &num_editor_hl_dynamic,
6200     &editor_el_dynamic_ptr,             &num_editor_el_dynamic,
6201   },
6202   {
6203     &use_el_empty,
6204     &use_el_empty,
6205     &editor_hl_empty_ptr,               &num_editor_hl_empty,
6206     &editor_el_empty_ptr,               &num_editor_el_empty,
6207   },
6208   {
6209     NULL,
6210     NULL,
6211     NULL,                               NULL,
6212     NULL,                               NULL
6213   }
6214 };
6215
6216 static struct XY xy_directions[] =
6217 {
6218   { -1,  0 },
6219   { +1,  0 },
6220   {  0, -1 },
6221   {  0, +1 }
6222 };
6223
6224
6225 // ----------------------------------------------------------------------------
6226 // functions
6227 // ----------------------------------------------------------------------------
6228
6229 static int getMaxInfoTextLength(void)
6230 {
6231   return (SXSIZE / getFontWidth(INFOTEXT_FONT));
6232 }
6233
6234 static int getTextWidthForGadget(char *text)
6235 {
6236   if (text == NULL)
6237     return 0;
6238
6239   return (getTextWidth(text, FONT_TEXT_1) + ED_GADGET_TEXT_DISTANCE);
6240 }
6241
6242 static int getTextWidthForDrawingArea(char *text)
6243 {
6244   if (text == NULL)
6245     return 0;
6246
6247   return (getTextWidth(text, FONT_TEXT_1) + ED_DRAWINGAREA_TEXT_DISTANCE);
6248 }
6249
6250 static int getRightGadgetBorder(struct GadgetInfo *gi, char *text)
6251 {
6252   return (gi->x + gi->width + getTextWidthForGadget(text));
6253 }
6254
6255 static char *getElementInfoText(int element)
6256 {
6257   char *info_text = NULL;
6258
6259   if (element < MAX_NUM_ELEMENTS)
6260   {
6261     if (strlen(element_info[element].description) > 0)
6262       info_text = element_info[element].description;
6263     else if (element_info[element].custom_description != NULL)
6264       info_text = element_info[element].custom_description;
6265     else if (element_info[element].editor_description != NULL)
6266       info_text = element_info[element].editor_description;
6267   }
6268
6269   if (info_text == NULL)
6270     info_text = INFOTEXT_UNKNOWN_ELEMENT;
6271
6272   return info_text;
6273 }
6274
6275 static char *getElementDescriptionFilenameExt(char *basename)
6276 {
6277   char *elements_subdir = ELEMENTS_DIRECTORY;
6278   static char *elements_subdir2 = NULL;
6279   static char *filename = NULL;
6280
6281   if (elements_subdir2 == NULL)
6282     elements_subdir2 = getPath2(DOCS_DIRECTORY, elements_subdir);
6283
6284   checked_free(filename);
6285
6286   // 1st try: look for element description in current level set directory
6287   filename = getPath3(getCurrentLevelDir(), elements_subdir2, basename);
6288   if (fileExists(filename))
6289     return filename;
6290
6291   free(filename);
6292
6293   // 2nd try: look for element description in the game's base directory
6294   filename = getPath3(options.docs_directory, elements_subdir, basename);
6295   if (fileExists(filename))
6296     return filename;
6297
6298   return NULL;
6299 }
6300
6301 static char *getElementDescriptionFilename(int element)
6302 {
6303   char basename[MAX_FILENAME_LEN];
6304   char *filename;
6305
6306   // 1st try: look for element description file for exactly this element
6307   sprintf(basename, "%s.txt", element_info[element].token_name);
6308   filename = getElementDescriptionFilenameExt(basename);
6309   if (filename != NULL)
6310     return filename;
6311
6312   // 2nd try: look for element description file for this element's class
6313   sprintf(basename, "%s.txt", element_info[element].class_name);
6314   filename = getElementDescriptionFilenameExt(basename);
6315   if (filename != NULL)
6316     return filename;
6317
6318   // 3rd try: look for generic fallback text file for any element
6319   filename = getElementDescriptionFilenameExt(FALLBACK_TEXT_FILENAME);
6320   if (filename != NULL)
6321     return filename;
6322
6323   return NULL;
6324 }
6325
6326 static boolean suppressBorderElement(void)
6327 {
6328   return (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
6329           lev_fieldx <= MAX_ED_FIELDX &&
6330           lev_fieldy <= MAX_ED_FIELDY);
6331 }
6332
6333 static void InitDynamicEditorElementList(int **elements, int *num_elements)
6334 {
6335   boolean element_found[NUM_FILE_ELEMENTS];
6336   int i, x, y;
6337
6338   // initialize list of used elements to "not used"
6339   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6340     element_found[i] = FALSE;
6341
6342   // find all elements used in current level
6343   for (y = 0; y < lev_fieldy; y++)
6344   {
6345     for (x = 0; x < lev_fieldx; x++)
6346     {
6347       if (Tile[x][y] >= NUM_FILE_ELEMENTS)      // should never happen
6348         continue;
6349
6350       if (IS_MM_WALL(Tile[x][y]))
6351         element_found[map_mm_wall_element(Tile[x][y])] = TRUE;
6352       else
6353         element_found[Tile[x][y]] = TRUE;
6354     }
6355   }
6356
6357   *num_elements = 0;
6358
6359   // count number of elements used in current level
6360   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6361     if (element_found[i])
6362       (*num_elements)++;
6363
6364   // add space for up to 3 more elements for padding that may be needed
6365   *num_elements += 3;
6366
6367   // free memory for old list of elements, if needed
6368   checked_free(*elements);
6369
6370   // allocate memory for new list of elements
6371   *elements = checked_malloc(*num_elements * sizeof(int));
6372
6373   *num_elements = 0;
6374
6375   // add all elements used in current level (non-custom/group/empty elements)
6376   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6377     if (element_found[i] && !(IS_CUSTOM_ELEMENT(i) ||
6378                               IS_GROUP_ELEMENT(i) ||
6379                               IS_EMPTY_ELEMENT(i)))
6380       (*elements)[(*num_elements)++] = i;
6381
6382   // add all elements used in current level (custom/group/empty elements)
6383   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
6384     if (element_found[i] && (IS_CUSTOM_ELEMENT(i) ||
6385                              IS_GROUP_ELEMENT(i) ||
6386                              IS_EMPTY_ELEMENT(i)))
6387       (*elements)[(*num_elements)++] = i;
6388
6389   while (*num_elements % 4)     // pad with empty elements, if needed
6390     (*elements)[(*num_elements)++] = EL_EMPTY;
6391 }
6392
6393 static void ReinitializeElementList_EnableSections(void)
6394 {
6395   // default: enable all element sections
6396
6397   setup_editor_el_players               = TRUE;
6398   setup_editor_el_boulderdash           = TRUE;
6399   setup_editor_el_boulderdash_native    = TRUE;
6400   setup_editor_el_emerald_mine          = TRUE;
6401   setup_editor_el_emerald_mine_club     = TRUE;
6402   setup_editor_el_more                  = TRUE;
6403   setup_editor_el_sokoban               = TRUE;
6404   setup_editor_el_supaplex              = TRUE;
6405   setup_editor_el_diamond_caves         = TRUE;
6406   setup_editor_el_dx_boulderdash        = TRUE;
6407   setup_editor_el_mirror_magic          = TRUE;
6408   setup_editor_el_deflektor             = TRUE;
6409   setup_editor_el_chars                 = TRUE;
6410   setup_editor_el_steel_chars           = TRUE;
6411
6412   setup_editor_el_custom                = TRUE;
6413   setup_editor_el_user_defined          = TRUE;
6414   setup_editor_el_dynamic               = TRUE;
6415
6416   // now disable all element sections not to be displayed
6417
6418   if (!setup.editor.el_classic)
6419   {
6420     setup_editor_el_players             = FALSE;
6421     setup_editor_el_boulderdash         = FALSE;
6422     setup_editor_el_boulderdash_native  = FALSE;
6423     setup_editor_el_emerald_mine        = FALSE;
6424     setup_editor_el_emerald_mine_club   = FALSE;
6425     setup_editor_el_more                = FALSE;
6426     setup_editor_el_sokoban             = FALSE;
6427     setup_editor_el_supaplex            = FALSE;
6428     setup_editor_el_diamond_caves       = FALSE;
6429     setup_editor_el_dx_boulderdash      = FALSE;
6430     setup_editor_el_mirror_magic        = FALSE;
6431     setup_editor_el_deflektor           = FALSE;
6432     setup_editor_el_chars               = FALSE;
6433     setup_editor_el_steel_chars         = FALSE;
6434   }
6435
6436   if (!setup.editor.el_custom)
6437   {
6438     setup_editor_el_custom              = FALSE;
6439   }
6440
6441   if (!setup.editor.el_user_defined)
6442   {
6443     setup_editor_el_user_defined        = FALSE;
6444   }
6445
6446   if (!setup.editor.el_dynamic)
6447   {
6448     setup_editor_el_dynamic             = FALSE;
6449   }
6450
6451   if (level.game_engine_type == GAME_ENGINE_TYPE_RND)
6452   {
6453     setup_editor_el_boulderdash_native  = FALSE;
6454     setup_editor_el_mirror_magic        = FALSE;
6455     setup_editor_el_deflektor           = FALSE;
6456   }
6457   else if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
6458   {
6459     setup_editor_el_players             = FALSE;
6460     setup_editor_el_boulderdash         = FALSE;
6461     setup_editor_el_emerald_mine        = FALSE;
6462     setup_editor_el_emerald_mine_club   = FALSE;
6463     setup_editor_el_more                = FALSE;
6464     setup_editor_el_sokoban             = FALSE;
6465     setup_editor_el_supaplex            = FALSE;
6466     setup_editor_el_diamond_caves       = FALSE;
6467     setup_editor_el_dx_boulderdash      = FALSE;
6468     setup_editor_el_mirror_magic        = FALSE;
6469     setup_editor_el_deflektor           = FALSE;
6470     setup_editor_el_chars               = FALSE;
6471     setup_editor_el_steel_chars         = FALSE;
6472
6473     setup_editor_el_custom              = FALSE;
6474   }
6475   else if (level.game_engine_type == GAME_ENGINE_TYPE_EM)
6476   {
6477     setup_editor_el_boulderdash         = FALSE;
6478     setup_editor_el_boulderdash_native  = FALSE;
6479     setup_editor_el_more                = FALSE;
6480     setup_editor_el_sokoban             = FALSE;
6481     setup_editor_el_supaplex            = FALSE;
6482     setup_editor_el_diamond_caves       = FALSE;
6483     setup_editor_el_dx_boulderdash      = FALSE;
6484     setup_editor_el_mirror_magic        = FALSE;
6485     setup_editor_el_deflektor           = FALSE;
6486     setup_editor_el_steel_chars         = FALSE;
6487
6488     setup_editor_el_custom              = FALSE;
6489   }
6490   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
6491   {
6492     setup_editor_el_players             = FALSE;
6493     setup_editor_el_boulderdash         = FALSE;
6494     setup_editor_el_boulderdash_native  = FALSE;
6495     setup_editor_el_emerald_mine        = FALSE;
6496     setup_editor_el_emerald_mine_club   = FALSE;
6497     setup_editor_el_more                = FALSE;
6498     setup_editor_el_sokoban             = FALSE;
6499     setup_editor_el_diamond_caves       = FALSE;
6500     setup_editor_el_dx_boulderdash      = FALSE;
6501     setup_editor_el_mirror_magic        = FALSE;
6502     setup_editor_el_deflektor           = FALSE;
6503     setup_editor_el_chars               = FALSE;
6504     setup_editor_el_steel_chars         = FALSE;
6505
6506     setup_editor_el_custom              = FALSE;
6507   }
6508   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
6509   {
6510     setup_editor_el_players             = FALSE;
6511     setup_editor_el_boulderdash         = FALSE;
6512     setup_editor_el_boulderdash_native  = FALSE;
6513     setup_editor_el_emerald_mine        = FALSE;
6514     setup_editor_el_emerald_mine_club   = FALSE;
6515     setup_editor_el_more                = FALSE;
6516     setup_editor_el_sokoban             = FALSE;
6517     setup_editor_el_supaplex            = FALSE;
6518     setup_editor_el_diamond_caves       = FALSE;
6519     setup_editor_el_dx_boulderdash      = FALSE;
6520     setup_editor_el_steel_chars         = FALSE;
6521
6522     setup_editor_el_custom              = FALSE;
6523   }
6524 }
6525
6526 static void ReinitializeElementList(void)
6527 {
6528   static boolean initialization_needed = TRUE;
6529   int pos = 0;
6530   int i, j;
6531
6532   ReinitializeElementList_EnableSections();
6533
6534   if (initialization_needed)
6535   {
6536     LoadSetup_EditorCascade();          // load last editor cascade state
6537
6538     // initialize editor cascade element from saved cascade state
6539     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6540     {
6541       int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
6542       boolean cascade_value = *editor_elements_info[i].setup_cascade_value;
6543
6544       if (IS_EDITOR_CASCADE(*cascade_element))
6545         *cascade_element =
6546           (cascade_value ? EL_CASCADE_ACTIVE(*cascade_element) :
6547            EL_CASCADE_INACTIVE(*cascade_element));
6548     }
6549
6550     initialization_needed = FALSE;
6551   }
6552
6553   checked_free(editor_elements);
6554
6555   // reload optional user defined element list for each invocation of editor
6556   LoadUserDefinedEditorElementList(&editor_el_user_defined_ptr,
6557                                    &num_editor_el_user_defined);
6558
6559   // initialize dynamic level element list for each invocation of editor
6560   InitDynamicEditorElementList(&editor_el_dynamic_ptr,
6561                                &num_editor_el_dynamic);
6562
6563   // initialize list of empty elements (used for padding, if needed)
6564   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
6565     editor_el_empty[i] = EL_EMPTY;
6566
6567   // do some sanity checks for each element from element list
6568   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6569   {
6570     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6571     {
6572       int element = (*editor_elements_info[i].element_list)[j];
6573
6574       if (element >= NUM_FILE_ELEMENTS)
6575         Warn("editor element %d is runtime element", element);
6576
6577       if (strEqual(getElementInfoText(element), INFOTEXT_UNKNOWN_ELEMENT))
6578         Warn("no element description text for element %d", element);
6579     }
6580   }
6581
6582   num_editor_elements = 0;
6583   use_el_empty = FALSE;
6584
6585   // determine size of element list
6586   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6587   {
6588     if (*editor_elements_info[i].setup_value)
6589     {
6590       boolean found_inactive_cascade = FALSE;
6591
6592       if (setup.editor.el_headlines)
6593       {
6594         // required for correct padding of palette headline buttons
6595         if (*editor_elements_info[i].headline_list_size > 0)
6596           num_editor_elements += ED_ELEMENTLIST_COLS;
6597
6598         for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6599         {
6600           int element = (*editor_elements_info[i].headline_list)[j];
6601
6602           if (IS_EDITOR_CASCADE_INACTIVE(element))
6603             found_inactive_cascade = TRUE;
6604         }
6605       }
6606
6607       if (found_inactive_cascade)
6608         continue;
6609
6610       // required for correct padding of palette element buttons
6611       int element_list_size = *editor_elements_info[i].element_list_size;
6612       int element_rows =
6613         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6614       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6615
6616       num_editor_elements += element_buttons;
6617     }
6618   }
6619
6620   if (num_editor_elements < ED_NUM_ELEMENTLIST_BUTTONS)
6621   {
6622     // offer at least as many elements as element buttons exist
6623     use_el_empty = TRUE;
6624     num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS - num_editor_elements;
6625
6626     num_editor_elements += num_editor_el_empty;
6627   }
6628   else
6629   {
6630     num_editor_el_empty = 0;
6631   }
6632
6633   editor_elements = checked_malloc(num_editor_elements * sizeof(int));
6634
6635   // fill element list
6636   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6637   {
6638     boolean found_inactive_cascade = FALSE;
6639
6640     if (*editor_elements_info[i].setup_value)
6641     {
6642       if (setup.editor.el_headlines)
6643       {
6644         // required for correct padding of palette headline buttons
6645         int headline_size = (*editor_elements_info[i].headline_list_size > 0 ?
6646                              ED_ELEMENTLIST_COLS : 0);
6647
6648         for (j = 0; j < headline_size; j++)
6649         {
6650           // use empty elements for padding of palette headline buttons
6651           int element = (j < *editor_elements_info[i].headline_list_size ?
6652                          (*editor_elements_info[i].headline_list)[j] :
6653                          editor_el_empty[0]);
6654
6655           editor_elements[pos++] = element;
6656
6657           if (IS_EDITOR_CASCADE_INACTIVE(element))
6658             found_inactive_cascade = TRUE;
6659         }
6660       }
6661
6662       if (found_inactive_cascade)
6663         continue;
6664
6665       // required for correct padding of palette element buttons
6666       int element_list_size = *editor_elements_info[i].element_list_size;
6667       int element_rows =
6668         (element_list_size + ED_ELEMENTLIST_COLS - 1) / ED_ELEMENTLIST_COLS;
6669       int element_buttons = ED_ELEMENTLIST_COLS * element_rows;
6670
6671       // copy all elements from element list
6672       for (j = 0; j < element_list_size; j++)
6673         editor_elements[pos++] = (*editor_elements_info[i].element_list)[j];
6674
6675       // use empty elements for padding of palette element buttons
6676       for (j = 0; j < element_buttons - element_list_size; j++)
6677         editor_elements[pos++] = editor_el_empty[0];
6678     }
6679   }
6680
6681   // (this function is also called before editor gadgets are initialized!)
6682   AdjustElementListScrollbar();
6683 }
6684
6685 void PrintEditorElementList(void)
6686 {
6687   boolean *stop = &setup_editor_el_user_defined;
6688   int i, j;
6689
6690   for (i = 0; editor_elements_info[i].setup_value != stop; i++)
6691   {
6692     int cascade_element = (*editor_elements_info[i].headline_list)[0];
6693
6694     if (IS_EDITOR_CASCADE(cascade_element))
6695     {
6696       int cascade_element_show = EL_CASCADE_INACTIVE(cascade_element);
6697       char *headline = element_info[cascade_element_show].editor_description;
6698
6699       PrintLineWithPrefix("# ", "-", 77);
6700       Print("# %s\n", headline);
6701       PrintLineWithPrefix("# ", "-", 77);
6702     }
6703
6704     for (j = 0; j < *editor_elements_info[i].headline_list_size; j++)
6705     {
6706       int element = (*editor_elements_info[i].headline_list)[j];
6707
6708       if (IS_EDITOR_CASCADE(element))
6709         element = EL_CHAR_MINUS;
6710
6711       Print("# %s\n", element_info[element].token_name);
6712     }
6713
6714     if (j > 0)
6715       Print("#\n");
6716
6717     for (j = 0; j < *editor_elements_info[i].element_list_size; j++)
6718     {
6719       int element = (*editor_elements_info[i].element_list)[j];
6720
6721       Print("# %s\n", element_info[element].token_name);
6722     }
6723
6724     if (j > 0)
6725       Print("#\n");
6726   }
6727 }
6728
6729 static void ReinitializeElementListButtons(void)
6730 {
6731   static boolean last_setup_value_headlines = FALSE;
6732   static boolean initialization_needed = TRUE;
6733   int i;
6734
6735   if (!initialization_needed)   // check if editor element setup has changed
6736   {
6737     if (last_setup_value_headlines != setup.editor.el_headlines)
6738       initialization_needed = TRUE;
6739
6740     for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6741       if (editor_elements_info[i].last_setup_value !=
6742           *editor_elements_info[i].setup_value)
6743         initialization_needed = TRUE;
6744   }
6745
6746   if (!initialization_needed)
6747     return;
6748
6749   FreeLevelEditorGadgets();
6750   CreateLevelEditorGadgets();
6751
6752   // store current setup values for next invocation of this function
6753   last_setup_value_headlines = setup.editor.el_headlines;
6754   for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
6755     editor_elements_info[i].last_setup_value =
6756       *editor_elements_info[i].setup_value;
6757
6758   initialization_needed = FALSE;
6759 }
6760
6761 static void DrawElementBorder(int dest_x, int dest_y, int width, int height,
6762                               boolean input)
6763 {
6764   int border_graphic =
6765     (input ? IMG_EDITOR_ELEMENT_BORDER_INPUT : IMG_EDITOR_ELEMENT_BORDER);
6766   struct GraphicInfo *g = &graphic_info[border_graphic];
6767   Bitmap *src_bitmap = g->bitmap;
6768   int src_x = g->src_x;
6769   int src_y = g->src_y;
6770   int border_size = g->border_size;
6771   int border_xpos = g->width  - border_size;
6772   int border_ypos = g->height - border_size;
6773   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6774   int i;
6775
6776   BlitBitmap(src_bitmap, drawto, src_x, src_y,
6777              border_size, border_size,
6778              dest_x - border_size, dest_y - border_size);
6779   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y,
6780              border_size, border_size,
6781              dest_x + width, dest_y - border_size);
6782   BlitBitmap(src_bitmap, drawto, src_x, src_y + border_ypos,
6783              border_size, border_size,
6784              dest_x - border_size, dest_y + height);
6785   BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_ypos,
6786              border_size, border_size,
6787              dest_x + width, dest_y + height);
6788
6789   for (i = 0; i < width / tilesize; i++)
6790   {
6791     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y,
6792                tilesize, border_size,
6793                dest_x + i * tilesize, dest_y - border_size);
6794     BlitBitmap(src_bitmap, drawto, src_x + border_size, src_y + border_ypos,
6795                tilesize, border_size,
6796                dest_x + i * tilesize, dest_y + height);
6797   }
6798
6799   for (i = 0; i < height / tilesize; i++)
6800   {
6801     BlitBitmap(src_bitmap, drawto, src_x, src_y + border_size,
6802                border_size, tilesize,
6803                dest_x - border_size, dest_y + i * tilesize);
6804     BlitBitmap(src_bitmap, drawto, src_x + border_xpos, src_y + border_size,
6805                border_size, tilesize,
6806                dest_x + width, dest_y + i * tilesize);
6807   }
6808
6809   ClearRectangle(drawto, dest_x - 1, dest_y - 1, width + 2, height + 2);
6810 }
6811
6812 static void DrawEditorLevelBorderLine(int x, int y, int xsize, int ysize)
6813 {
6814   int xsize_tile = MAX(ed_tilesize, xsize);
6815   int ysize_tile = MAX(ed_tilesize, ysize);
6816   int xsize_full = xsize + 1;
6817   int ysize_full = ysize + 1;
6818   int xsize_thin = (xsize < ed_tilesize ? 1 : xsize);
6819   int ysize_thin = (ysize < ed_tilesize ? 1 : ysize);
6820   Pixel line_color = getTabulatorBarColor();
6821
6822   if (line_color == BLACK_PIXEL)                // black => transparent
6823     return;
6824
6825   FillRectangle(drawto, SX + x, SY + y, xsize_tile, ysize_tile, BLACK_PIXEL);
6826   FillRectangle(drawto, SX + x, SY + y, xsize_full, ysize_full, line_color);
6827   FillRectangle(drawto, SX + x, SY + y, xsize_thin, ysize_thin, BLACK_PIXEL);
6828 }
6829
6830 static void DrawEditorLevelBorderLinesIfNeeded(void)
6831 {
6832   int xsize = lev_fieldx * ed_tilesize;
6833   int ysize = lev_fieldy * ed_tilesize;
6834   int line_size = getTabulatorBarHeight();
6835
6836   if (!suppressBorderElement())
6837     return;
6838
6839   // draw little border line around editable level playfield
6840
6841   if (xsize < SXSIZE)
6842     DrawEditorLevelBorderLine(xsize, 0, line_size, ysize);
6843
6844   if (ysize < SYSIZE)
6845     DrawEditorLevelBorderLine(0, ysize, xsize, line_size);
6846
6847   if (xsize < SXSIZE && ysize < SYSIZE)
6848     DrawEditorLevelBorderLine(xsize, ysize, line_size, line_size);
6849 }
6850
6851 static void DrawEditorElement(int x, int y, int element)
6852 {
6853   DrawSizedElement(x, y, element, ed_tilesize);
6854 }
6855
6856 static void DrawEditorElementThruMask(int x, int y, int element)
6857 {
6858   DrawSizedElementThruMask(x, y, element, ed_tilesize);
6859 }
6860
6861 static void DrawEditorElementOrWall(int x, int y, int scroll_x, int scroll_y)
6862 {
6863   DrawSizedElementOrWall(x, y, scroll_x, scroll_y, ed_tilesize);
6864 }
6865
6866 static void DrawEditorLevel(int size_x, int size_y, int scroll_x, int scroll_y)
6867 {
6868   DrawSizedLevel(size_x, size_y, scroll_x, scroll_y, ed_tilesize);
6869   DrawEditorLevelBorderLinesIfNeeded();
6870 }
6871
6872 static void DrawDrawingArea(int id)
6873 {
6874   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
6875   int x, y;
6876
6877   int *value = drawingarea_info[id].value;
6878   int area_xsize = drawingarea_info[id].area_xsize;
6879   int area_ysize = drawingarea_info[id].area_ysize;
6880   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
6881
6882   for (x = 0; x < area_xsize; x++)
6883     for (y = 0; y < area_ysize; y++)
6884       DrawSizedGraphicExt(drawto,
6885                           gi->x + x * tilesize,
6886                           gi->y + y * tilesize,
6887                           el2edimg(value[x * area_ysize + y]), 0, tilesize);
6888 }
6889
6890 static void ScrollEditorLevel(int from_x, int from_y, int scroll)
6891 {
6892   int x, y;
6893   int dx = (scroll == ED_SCROLL_LEFT ? -1 : scroll == ED_SCROLL_RIGHT ? 1 : 0);
6894   int dy = (scroll == ED_SCROLL_UP   ? -1 : scroll == ED_SCROLL_DOWN  ? 1 : 0);
6895
6896   BlitBitmap(drawto, drawto,
6897              SX + (dx == -1 ? ed_tilesize : 0),
6898              SY + (dy == -1 ? ed_tilesize : 0),
6899              (ed_fieldx * ed_tilesize) - (dx != 0 ? ed_tilesize : 0),
6900              (ed_fieldy * ed_tilesize) - (dy != 0 ? ed_tilesize : 0),
6901              SX + (dx == +1 ? ed_tilesize : 0),
6902              SY + (dy == +1 ? ed_tilesize : 0));
6903
6904   if (dx)
6905   {
6906     x = (dx == 1 ? 0 : ed_fieldx - 1);
6907     for (y = 0; y < ed_fieldy; y++)
6908       DrawEditorElementOrWall(x, y, from_x, from_y);
6909   }
6910   else if (dy)
6911   {
6912     y = (dy == 1 ? 0 : ed_fieldy - 1);
6913     for (x = 0; x < ed_fieldx; x++)
6914       DrawEditorElementOrWall(x, y, from_x, from_y);
6915   }
6916
6917   redraw_mask |= REDRAW_FIELD;
6918   BackToFront();
6919 }
6920
6921 static void getEditorGraphicSource(int element, int tile_size, Bitmap **bitmap,
6922                                    int *x, int *y)
6923 {
6924   getSizedGraphicSource(el2edimg(element), 0, tile_size, bitmap, x, y);
6925 }
6926
6927 static void CreateControlButtons(void)
6928 {
6929   struct GadgetInfo *gi;
6930   int i;
6931
6932   // create toolbox buttons
6933   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
6934   {
6935     int type_id = controlbutton_info[i].gadget_id;      // same as gadget ID here
6936     int id = controlbutton_info[i].gadget_id;
6937     int type = controlbutton_info[i].gadget_type;
6938     int graphic = controlbutton_info[i].graphic;
6939     struct XYTileSize *pos = controlbutton_info[i].pos;
6940     struct GraphicInfo *gd = &graphic_info[graphic];
6941     Bitmap *deco_bitmap = NULL;
6942     int deco_x = 0, deco_y = 0, deco_xpos = 0, deco_ypos = 0;
6943     int tile_size = 0, deco_shift = 0;
6944     boolean deco_masked = FALSE;
6945     int gd_x1 = gd->src_x;
6946     int gd_y1 = gd->src_y;
6947     int gd_x2 = gd->src_x + gd->pressed_xoffset;
6948     int gd_y2 = gd->src_y + gd->pressed_yoffset;
6949     int gd_x1a = gd->src_x + gd->active_xoffset;
6950     int gd_y1a = gd->src_y + gd->active_yoffset;
6951     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
6952     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
6953     int x = pos->x;
6954     int y = pos->y;
6955     unsigned int event_mask;
6956     int radio_button_nr = RADIO_NR_NONE;
6957     boolean checked = FALSE;
6958
6959     if (type_id != i)
6960       Fail("'controlbutton_info' structure corrupted at index %d -- please fix", i);
6961
6962     if (type == GD_TYPE_RADIO_BUTTON)
6963     {
6964       event_mask = GD_EVENT_PRESSED;
6965       radio_button_nr = RADIO_NR_DRAWING_TOOLBOX;
6966
6967       if (id == drawing_function)
6968         checked = TRUE;
6969     }
6970     else
6971     {
6972       if (id == GADGET_ID_WRAP_LEFT ||
6973           id == GADGET_ID_WRAP_RIGHT ||
6974           id == GADGET_ID_WRAP_UP ||
6975           id == GADGET_ID_WRAP_DOWN)
6976         event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
6977       else
6978         event_mask = GD_EVENT_RELEASED;
6979     }
6980
6981     if (id == GADGET_ID_PROPERTIES ||
6982         id == GADGET_ID_PALETTE)
6983     {
6984       x += DX;
6985       y += DY;
6986     }
6987     else if (id == GADGET_ID_ELEMENT_LEFT ||
6988              id == GADGET_ID_ELEMENT_MIDDLE ||
6989              id == GADGET_ID_ELEMENT_RIGHT)
6990     {
6991       x += DX;
6992       y += DY;
6993
6994       int element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
6995                      id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
6996                      id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 : EL_EMPTY);
6997
6998       tile_size = BUTTON_TILE_SIZE(id == GADGET_ID_ELEMENT_LEFT ?
6999                                    editor.button.element_left.tile_size :
7000                                    id == GADGET_ID_ELEMENT_MIDDLE ?
7001                                    editor.button.element_middle.tile_size :
7002                                    id == GADGET_ID_ELEMENT_RIGHT ?
7003                                    editor.button.element_right.tile_size : 0);
7004
7005       // make sure that decoration does not overlap gadget border
7006       tile_size = MIN(tile_size, MIN(gd->width, gd->height));
7007
7008       getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x,&deco_y);
7009
7010       deco_xpos = (gd->width  - tile_size) / 2;
7011       deco_ypos = (gd->height - tile_size) / 2;
7012       deco_shift = 1;
7013       deco_masked = gd->draw_masked;
7014     }
7015     else
7016     {
7017       x += EX;
7018       y += EY;
7019     }
7020
7021     gi = CreateGadget(GDI_CUSTOM_ID, id,
7022                       GDI_CUSTOM_TYPE_ID, type_id,
7023                       GDI_IMAGE_ID, graphic,
7024                       GDI_INFO_TEXT, controlbutton_info[i].infotext,
7025                       GDI_X, x,
7026                       GDI_Y, y,
7027                       GDI_WIDTH, gd->width,
7028                       GDI_HEIGHT, gd->height,
7029                       GDI_TYPE, type,
7030                       GDI_STATE, GD_BUTTON_UNPRESSED,
7031                       GDI_RADIO_NR, radio_button_nr,
7032                       GDI_CHECKED, checked,
7033                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7034                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7035                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7036                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7037                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7038                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7039                       GDI_DECORATION_SIZE, tile_size, tile_size,
7040                       GDI_DECORATION_SHIFTING, deco_shift, deco_shift,
7041                       GDI_DECORATION_MASKED, deco_masked,
7042                       GDI_EVENT_MASK, event_mask,
7043                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7044                       GDI_CALLBACK_ACTION, HandleControlButtons,
7045                       GDI_END);
7046
7047     if (gi == NULL)
7048       Fail("cannot create gadget");
7049
7050     level_editor_gadget[id] = gi;
7051   }
7052
7053   // these values are not constant, but can change at runtime
7054   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].x    = ED_SCROLL_UP_XPOS;
7055   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_UP].y    = ED_SCROLL_UP_YPOS;
7056   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].x  = ED_SCROLL_DOWN_XPOS;
7057   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_DOWN].y  = ED_SCROLL_DOWN_YPOS;
7058   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].x  = ED_SCROLL_LEFT_XPOS;
7059   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_LEFT].y  = ED_SCROLL_LEFT_YPOS;
7060   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].x = ED_SCROLL_RIGHT_XPOS;
7061   scrollbutton_pos[ED_SCROLLBUTTON_ID_AREA_RIGHT].y = ED_SCROLL_RIGHT_YPOS;
7062   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].x    = ED_SCROLL2_UP_XPOS;
7063   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_UP].y    = ED_SCROLL2_UP_YPOS;
7064   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].x  = ED_SCROLL2_DOWN_XPOS;
7065   scrollbutton_pos[ED_SCROLLBUTTON_ID_LIST_DOWN].y  = ED_SCROLL2_DOWN_YPOS;
7066
7067   // create buttons for scrolling of drawing area and element list
7068   for (i = 0; i < ED_NUM_SCROLLBUTTONS; i++)
7069   {
7070     int id = scrollbutton_info[i].gadget_id;
7071     int type_id = scrollbutton_info[i].gadget_type_id;
7072     int graphic = scrollbutton_info[i].graphic;
7073     struct GraphicInfo *gd = &graphic_info[graphic];
7074     Bitmap *gd_bitmap = gd->bitmap;
7075     int gd_x1 = gd->src_x;
7076     int gd_y1 = gd->src_y;
7077     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7078     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7079     int width  = gd->width;
7080     int height = gd->height;
7081     int x = scrollbutton_pos[i].x;
7082     int y = scrollbutton_pos[i].y;
7083     unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7084
7085     if (type_id != i)
7086       Fail("'scrollbutton_info' structure corrupted at index %d -- please fix", i);
7087
7088     if (id == GADGET_ID_SCROLL_LIST_UP ||
7089         id == GADGET_ID_SCROLL_LIST_DOWN)
7090     {
7091       x += PX;
7092       y += PY;
7093     }
7094     else
7095     {
7096       x += SX;
7097       y += SY;
7098     }
7099
7100     gi = CreateGadget(GDI_CUSTOM_ID, id,
7101                       GDI_CUSTOM_TYPE_ID, type_id,
7102                       GDI_IMAGE_ID, graphic,
7103                       GDI_INFO_TEXT, scrollbutton_info[i].infotext,
7104                       GDI_X, x,
7105                       GDI_Y, y,
7106                       GDI_WIDTH, width,
7107                       GDI_HEIGHT, height,
7108                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7109                       GDI_STATE, GD_BUTTON_UNPRESSED,
7110                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7111                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7112                       GDI_EVENT_MASK, event_mask,
7113                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7114                       GDI_CALLBACK_ACTION, HandleControlButtons,
7115                       GDI_END);
7116
7117     if (gi == NULL)
7118       Fail("cannot create gadget");
7119
7120     level_editor_gadget[id] = gi;
7121   }
7122
7123   // create buttons for element list
7124   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
7125   {
7126     int type_id = i;
7127     int id = GADGET_ID_ELEMENTLIST_FIRST + i;
7128     int graphic = IMG_EDITOR_PALETTE_BUTTON;
7129     struct GraphicInfo *gd = &graphic_info[graphic];
7130     Bitmap *gd_bitmap = gd->bitmap;
7131     Bitmap *deco_bitmap;
7132     int deco_x, deco_y, deco_xpos, deco_ypos;
7133     int gd_x1 = gd->src_x;
7134     int gd_y1 = gd->src_y;
7135     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7136     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7137     int xx = i % ED_ELEMENTLIST_BUTTONS_HORIZ;
7138     int yy = i / ED_ELEMENTLIST_BUTTONS_HORIZ;
7139     int x = PX + ED_ELEMENTLIST_XPOS + xx * gd->width;
7140     int y = PY + ED_ELEMENTLIST_YPOS + yy * gd->height;
7141     int element = editor_elements[i];
7142     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
7143     unsigned int event_mask = GD_EVENT_RELEASED;
7144
7145     getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
7146
7147     deco_xpos = (gd->width  - tile_size) / 2;
7148     deco_ypos = (gd->height - tile_size) / 2;
7149
7150     gi = CreateGadget(GDI_CUSTOM_ID, id,
7151                       GDI_CUSTOM_TYPE_ID, type_id,
7152                       GDI_IMAGE_ID, graphic,
7153                       GDI_INFO_TEXT, getElementInfoText(element),
7154                       GDI_X, x,
7155                       GDI_Y, y,
7156                       GDI_WIDTH, gd->width,
7157                       GDI_HEIGHT, gd->height,
7158                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7159                       GDI_STATE, GD_BUTTON_UNPRESSED,
7160                       GDI_DESIGN_UNPRESSED, gd_bitmap, gd_x1, gd_y1,
7161                       GDI_DESIGN_PRESSED, gd_bitmap, gd_x2, gd_y2,
7162                       GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y,
7163                       GDI_DECORATION_POSITION, deco_xpos, deco_ypos,
7164                       GDI_DECORATION_SIZE, tile_size, tile_size,
7165                       GDI_DECORATION_SHIFTING, 1, 1,
7166                       GDI_EVENT_MASK, event_mask,
7167                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7168                       GDI_CALLBACK_ACTION, HandleControlButtons,
7169                       GDI_END);
7170
7171     if (gi == NULL)
7172       Fail("cannot create gadget");
7173
7174     level_editor_gadget[id] = gi;
7175   }
7176 }
7177
7178 static void CreateCounterButtons(void)
7179 {
7180   int max_infotext_len = getMaxInfoTextLength();
7181   int i;
7182
7183   for (i = 0; i < ED_NUM_COUNTERBUTTONS; i++)
7184   {
7185     int type_id = counterbutton_info[i].gadget_type_id;
7186     int x = SX + ED_SETTINGS_X(counterbutton_info[i].x); // down count button
7187     int y = SY + ED_SETTINGS_Y(counterbutton_info[i].y);
7188     int j;
7189
7190     if (type_id != i)
7191       Fail("'counterbutton_info' structure corrupted at index %d -- please fix", i);
7192
7193     // determine horizontal position to the right of specified gadget
7194     if (counterbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7195       x = (right_gadget_border[counterbutton_info[i].gadget_id_align] +
7196            ED_GADGET_TEXT_DISTANCE);
7197
7198     // determine horizontal offset for leading text
7199     if (counterbutton_info[i].text_left != NULL)
7200       x += getTextWidthForGadget(counterbutton_info[i].text_left);
7201
7202     for (j = 0; j < 2; j++)
7203     {
7204       struct GadgetInfo *gi;
7205       int id = (j == 0 ?
7206                 counterbutton_info[i].gadget_id_down :
7207                 counterbutton_info[i].gadget_id_up);
7208       int graphic;
7209       struct GraphicInfo *gd;
7210       int gd_x1, gd_x2, gd_y1, gd_y2;
7211       unsigned int event_mask = GD_EVENT_PRESSED | GD_EVENT_REPEATED;
7212       char infotext[max_infotext_len + 1];
7213
7214       if (i == ED_COUNTER_ID_SELECT_LEVEL)
7215       {
7216         graphic = (j == 0 ?
7217                    IMG_GFX_EDITOR_BUTTON_PREV_LEVEL :
7218                    IMG_GFX_EDITOR_BUTTON_NEXT_LEVEL);
7219
7220         event_mask |= GD_EVENT_RELEASED;
7221
7222         if (j == 0)
7223         {
7224           x = DX + editor.button.prev_level.x;
7225           y = DY + editor.button.prev_level.y;
7226         }
7227         else
7228         {
7229           x = DX + editor.button.next_level.x;
7230           y = DY + editor.button.next_level.y;
7231         }
7232       }
7233       else
7234       {
7235         graphic = (j == 0 ?
7236                    IMG_EDITOR_COUNTER_DOWN :
7237                    IMG_EDITOR_COUNTER_UP);
7238       }
7239
7240       gd = &graphic_info[graphic];
7241
7242       gd_x1 = gd->src_x;
7243       gd_y1 = gd->src_y;
7244       gd_x2 = gd->src_x + gd->pressed_xoffset;
7245       gd_y2 = gd->src_y + gd->pressed_yoffset;
7246
7247       sprintf(infotext, "%s counter value by 1, 5 or 10",
7248               (j == 0 ? "decrease" : "increase"));
7249
7250       gi = CreateGadget(GDI_CUSTOM_ID, id,
7251                         GDI_CUSTOM_TYPE_ID, type_id,
7252                         GDI_IMAGE_ID, graphic,
7253                         GDI_INFO_TEXT, infotext,
7254                         GDI_X, x,
7255                         GDI_Y, y,
7256                         GDI_WIDTH, gd->width,
7257                         GDI_HEIGHT, gd->height,
7258                         GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7259                         GDI_STATE, GD_BUTTON_UNPRESSED,
7260                         GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7261                         GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7262                         GDI_EVENT_MASK, event_mask,
7263                         GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7264                         GDI_CALLBACK_ACTION, HandleCounterButtons,
7265                         GDI_END);
7266
7267       if (gi == NULL)
7268         Fail("cannot create gadget");
7269
7270       level_editor_gadget[id] = gi;
7271       right_gadget_border[id] =
7272         getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7273
7274       x += gi->width + ED_GADGET_SMALL_DISTANCE;        // text count button
7275
7276       if (j == 0)
7277       {
7278         int font_type = FONT_INPUT_1;
7279         int font_type_active = FONT_INPUT_1_ACTIVE;
7280
7281         id = counterbutton_info[i].gadget_id_text;
7282
7283         event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7284
7285         if (i == ED_COUNTER_ID_SELECT_LEVEL)
7286         {
7287           graphic = IMG_GFX_EDITOR_INPUT_LEVEL_NUMBER;
7288
7289           font_type = FONT_LEVEL_NUMBER;
7290           font_type_active = FONT_LEVEL_NUMBER_ACTIVE;
7291
7292           x = DX + editor.input.level_number.x;
7293           y = DY + editor.input.level_number.y;
7294         }
7295         else
7296         {
7297           graphic = IMG_EDITOR_COUNTER_INPUT;
7298         }
7299
7300         gd = &graphic_info[graphic];
7301
7302         gd_x1 = gd->src_x;
7303         gd_y1 = gd->src_y;
7304         gd_x2 = gd->src_x + gd->active_xoffset;
7305         gd_y2 = gd->src_y + gd->active_yoffset;
7306
7307         gi = CreateGadget(GDI_CUSTOM_ID, id,
7308                           GDI_CUSTOM_TYPE_ID, type_id,
7309                           GDI_IMAGE_ID, graphic,
7310                           GDI_INFO_TEXT, "enter counter value",
7311                           GDI_X, x,
7312                           GDI_Y, y,
7313                           GDI_TYPE, GD_TYPE_TEXT_INPUT_NUMERIC,
7314                           GDI_NUMBER_VALUE, 0,
7315                           GDI_NUMBER_MIN, counterbutton_info[i].min_value,
7316                           GDI_NUMBER_MAX, counterbutton_info[i].max_value,
7317                           GDI_TEXT_SIZE, 3,     // minimal counter text size
7318                           GDI_TEXT_FONT, font_type,
7319                           GDI_TEXT_FONT_ACTIVE, font_type_active,
7320                           GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7321                           GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7322                           GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7323                           GDI_DESIGN_WIDTH, gd->width,
7324                           GDI_EVENT_MASK, event_mask,
7325                           GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7326                           GDI_CALLBACK_ACTION, HandleCounterButtons,
7327                           GDI_END);
7328
7329         if (gi == NULL)
7330           Fail("cannot create gadget");
7331
7332         level_editor_gadget[id] = gi;
7333         right_gadget_border[id] =
7334           getRightGadgetBorder(gi, counterbutton_info[i].text_right);
7335
7336         x += gi->width + ED_GADGET_SMALL_DISTANCE;      // up count button
7337       }
7338     }
7339   }
7340 }
7341
7342 static void CreateDrawingAreas(void)
7343 {
7344   int i;
7345
7346   // these values are not constant, but can change at runtime
7347   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_xsize = MAX_ED_FIELDX;
7348   drawingarea_info[ED_DRAWING_ID_DRAWING_LEVEL].area_ysize = MAX_ED_FIELDY;
7349
7350   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
7351   {
7352     struct GadgetInfo *gi;
7353     int id = drawingarea_info[i].gadget_id;
7354     int type_id = drawingarea_info[i].gadget_type_id;
7355     int x = SX + ED_AREA_SETTINGS_X(drawingarea_info[i]);
7356     int y = SY + ED_AREA_SETTINGS_Y(drawingarea_info[i]);
7357     int area_xsize = drawingarea_info[i].area_xsize;
7358     int area_ysize = drawingarea_info[i].area_ysize;
7359     int item_size = (id == GADGET_ID_DRAWING_LEVEL ?
7360                      ed_tilesize : ED_DRAWINGAREA_TILE_SIZE);
7361     unsigned int event_mask =
7362       GD_EVENT_PRESSED | GD_EVENT_RELEASED | GD_EVENT_MOVING |
7363       GD_EVENT_OFF_BORDERS | GD_EVENT_PIXEL_PRECISE;
7364
7365     if (type_id != i)
7366       Fail("'drawingarea_info' structure corrupted at index %d -- please fix", i);
7367
7368     // determine horizontal position to the right of specified gadget
7369     if (drawingarea_info[i].gadget_id_align != GADGET_ID_NONE)
7370       x = (right_gadget_border[drawingarea_info[i].gadget_id_align] +
7371            ED_DRAWINGAREA_TEXT_DISTANCE);
7372
7373     // determine horizontal offset for leading text
7374     if (drawingarea_info[i].text_left != NULL)
7375       x += getTextWidthForDrawingArea(drawingarea_info[i].text_left);
7376
7377     gi = CreateGadget(GDI_CUSTOM_ID, id,
7378                       GDI_CUSTOM_TYPE_ID, type_id,
7379                       GDI_X, x,
7380                       GDI_Y, y,
7381                       GDI_TYPE, GD_TYPE_DRAWING_AREA,
7382                       GDI_AREA_SIZE, area_xsize, area_ysize,
7383                       GDI_ITEM_SIZE, item_size, item_size,
7384                       GDI_EVENT_MASK, event_mask,
7385                       GDI_CALLBACK_INFO, HandleDrawingAreaInfo,
7386                       GDI_CALLBACK_ACTION, HandleDrawingAreas,
7387                       GDI_END);
7388
7389     if (gi == NULL)
7390       Fail("cannot create gadget");
7391
7392     level_editor_gadget[id] = gi;
7393     right_gadget_border[id] =
7394       getRightGadgetBorder(gi, drawingarea_info[i].text_right);
7395   }
7396 }
7397
7398 static void CreateTextInputGadgets(void)
7399 {
7400   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
7401   int max_infotext_len = getMaxInfoTextLength();
7402   int i;
7403
7404   for (i = 0; i < ED_NUM_TEXTINPUT; i++)
7405   {
7406     int gd_x1 = gd->src_x;
7407     int gd_y1 = gd->src_y;
7408     int gd_x2 = gd->src_x + gd->active_xoffset;
7409     int gd_y2 = gd->src_y + gd->active_yoffset;
7410     struct GadgetInfo *gi;
7411     unsigned int event_mask = GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7412     char infotext[MAX_OUTPUT_LINESIZE + 1];
7413     int id = textinput_info[i].gadget_id;
7414     int type_id = textinput_info[i].gadget_type_id;
7415     int x, y;
7416
7417     if (type_id != i)
7418       Fail("'textinput_info' structure corrupted at index %d -- please fix", i);
7419
7420     if (i == ED_TEXTINPUT_ID_ELEMENT_NAME)
7421     {
7422       int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
7423       int border_size = gd->border_size;
7424       int font_nr = FONT_INPUT_1;
7425       int font_height = getFontHeight(font_nr);
7426       int xoffset = element_border + TILEX + element_border + 3 * border_size;
7427       int yoffset = element_border + (TILEY - font_height) / 2;
7428
7429       x = (editor.settings.element_name.x != -1 ?
7430            editor.settings.element_name.x :
7431            editor.settings.element_graphic.x + xoffset) - border_size;
7432       y = (editor.settings.element_name.y != -1 ?
7433            editor.settings.element_name.y :
7434            editor.settings.element_graphic.y + yoffset) - border_size;
7435     }
7436     else
7437     {
7438       x = ED_SETTINGS_X(textinput_info[i].x);
7439       y = ED_SETTINGS_Y(textinput_info[i].y);
7440     }
7441
7442     sprintf(infotext, "Enter %s", textinput_info[i].infotext);
7443     infotext[max_infotext_len] = '\0';
7444
7445     gi = CreateGadget(GDI_CUSTOM_ID, id,
7446                       GDI_CUSTOM_TYPE_ID, type_id,
7447                       GDI_INFO_TEXT, infotext,
7448                       GDI_X, SX + x,
7449                       GDI_Y, SY + y,
7450                       GDI_TYPE, GD_TYPE_TEXT_INPUT_ALPHANUMERIC,
7451                       GDI_TEXT_VALUE, textinput_info[i].value,
7452                       GDI_TEXT_SIZE, textinput_info[i].size,
7453                       GDI_TEXT_FONT, FONT_INPUT_1,
7454                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7455                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7456                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7457                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7458                       GDI_DESIGN_WIDTH, gd->width,
7459                       GDI_EVENT_MASK, event_mask,
7460                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7461                       GDI_CALLBACK_ACTION, HandleTextInputGadgets,
7462                       GDI_END);
7463
7464     if (gi == NULL)
7465       Fail("cannot create gadget");
7466
7467     level_editor_gadget[id] = gi;
7468   }
7469 }
7470
7471 static void CreateTextAreaGadgets(void)
7472 {
7473   int max_infotext_len = getMaxInfoTextLength();
7474   int i;
7475
7476   for (i = 0; i < ED_NUM_TEXTAREAS; i++)
7477   {
7478     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXTAREA];
7479     int gd_x1 = gd->src_x;
7480     int gd_y1 = gd->src_y;
7481     int gd_x2 = gd->src_x + gd->active_xoffset;
7482     int gd_y2 = gd->src_y + gd->active_yoffset;
7483     struct GadgetInfo *gi;
7484     unsigned int event_mask = GD_EVENT_TEXT_LEAVING;
7485     char infotext[MAX_OUTPUT_LINESIZE + 1];
7486     int id = textarea_info[i].gadget_id;
7487     int type_id = textarea_info[i].gadget_type_id;
7488     int area_xsize = textarea_info[i].xsize;
7489     int area_ysize = textarea_info[i].ysize;
7490
7491     if (type_id != i)
7492       Fail("'textarea_info' structure corrupted at index %d -- please fix", i);
7493
7494     sprintf(infotext, "Enter %s", textarea_info[i].infotext);
7495     infotext[max_infotext_len] = '\0';
7496
7497     gi = CreateGadget(GDI_CUSTOM_ID, id,
7498                       GDI_CUSTOM_TYPE_ID, type_id,
7499                       GDI_INFO_TEXT, infotext,
7500                       GDI_X, SX + ED_SETTINGS_X(textarea_info[i].x),
7501                       GDI_Y, SY + ED_SETTINGS_Y(textarea_info[i].y),
7502                       GDI_TYPE, GD_TYPE_TEXT_AREA,
7503                       GDI_AREA_SIZE, area_xsize, area_ysize,
7504                       GDI_TEXT_FONT, FONT_INPUT_1,
7505                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7506                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7507                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7508                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7509                       GDI_DESIGN_WIDTH, gd->width,
7510                       GDI_EVENT_MASK, event_mask,
7511                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7512                       GDI_CALLBACK_ACTION, HandleTextAreaGadgets,
7513                       GDI_END);
7514
7515     if (gi == NULL)
7516       Fail("cannot create gadget");
7517
7518     level_editor_gadget[id] = gi;
7519   }
7520 }
7521
7522 static void CreateSelectboxGadgets(void)
7523 {
7524   int max_infotext_len = getMaxInfoTextLength();
7525   int i, j;
7526
7527   for (i = 0; i < ED_NUM_SELECTBOX; i++)
7528   {
7529     struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_SELECTBOX_INPUT];
7530     struct GraphicInfo *gd2 = &graphic_info[IMG_EDITOR_SELECTBOX_BUTTON];
7531     int gd_x1 = gd->src_x;
7532     int gd_y1 = gd->src_y;
7533     int gd_x2 = gd->src_x + gd->active_xoffset;
7534     int gd_y2 = gd->src_y + gd->active_yoffset;
7535     int selectbox_button_xsize = gd2->width;
7536     struct GadgetInfo *gi;
7537     char infotext[MAX_OUTPUT_LINESIZE + 1];
7538     int id = selectbox_info[i].gadget_id;
7539     int type_id = selectbox_info[i].gadget_type_id;
7540     int x = SX + ED_SETTINGS_X(selectbox_info[i].x);
7541     int y = SY + ED_SETTINGS_Y(selectbox_info[i].y);
7542     unsigned int event_mask =
7543       GD_EVENT_RELEASED | GD_EVENT_TEXT_RETURN | GD_EVENT_TEXT_LEAVING;
7544
7545     if (type_id != i)
7546       Fail("'selectbox_info' structure corrupted at index %d -- please fix", i);
7547
7548     if (selectbox_info[i].size == -1)   // dynamically determine size
7549     {
7550       // (we cannot use -1 for uninitialized values if we directly compare
7551       // with results from strlen(), because the '<' and '>' operation will
7552       // implicitely cast -1 to an unsigned integer value!)
7553       selectbox_info[i].size = 0;
7554
7555       for (j = 0; selectbox_info[i].options[j].text != NULL; j++)
7556         if (strlen(selectbox_info[i].options[j].text) > selectbox_info[i].size)
7557           selectbox_info[i].size = strlen(selectbox_info[i].options[j].text);
7558
7559       selectbox_info[i].size++;         // add one character empty space
7560     }
7561
7562     // determine horizontal position to the right of specified gadget
7563     if (selectbox_info[i].gadget_id_align != GADGET_ID_NONE)
7564       x = (right_gadget_border[selectbox_info[i].gadget_id_align] +
7565            ED_GADGET_TEXT_DISTANCE);
7566
7567     // determine horizontal offset for leading text
7568     if (selectbox_info[i].text_left != NULL)
7569       x += getTextWidthForGadget(selectbox_info[i].text_left);
7570
7571     sprintf(infotext, "Select %s", selectbox_info[i].infotext);
7572     infotext[max_infotext_len] = '\0';
7573
7574     gi = CreateGadget(GDI_CUSTOM_ID, id,
7575                       GDI_CUSTOM_TYPE_ID, type_id,
7576                       GDI_INFO_TEXT, infotext,
7577                       GDI_X, x,
7578                       GDI_Y, y,
7579                       GDI_TYPE, GD_TYPE_SELECTBOX,
7580                       GDI_SELECTBOX_OPTIONS, selectbox_info[i].options,
7581                       GDI_SELECTBOX_CHAR_UNSELECTABLE, '[',
7582                       GDI_TEXT_SIZE, selectbox_info[i].size,
7583                       GDI_TEXT_FONT, FONT_INPUT_1,
7584                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_1_ACTIVE,
7585                       GDI_TEXT_FONT_UNSELECTABLE, FONT_TEXT_1,
7586                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7587                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7588                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7589                       GDI_BORDER_SIZE_SELECTBUTTON, selectbox_button_xsize,
7590                       GDI_DESIGN_WIDTH, gd->width,
7591                       GDI_EVENT_MASK, event_mask,
7592                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7593                       GDI_CALLBACK_ACTION, HandleSelectboxGadgets,
7594                       GDI_END);
7595
7596     if (gi == NULL)
7597       Fail("cannot create gadget");
7598
7599     level_editor_gadget[id] = gi;
7600     right_gadget_border[id] =
7601       getRightGadgetBorder(gi, selectbox_info[i].text_right);
7602   }
7603 }
7604
7605 static void CreateTextbuttonGadgets(void)
7606 {
7607   int max_infotext_len = getMaxInfoTextLength();
7608   int i;
7609
7610   for (i = 0; i < ED_NUM_TEXTBUTTONS; i++)
7611   {
7612     int id = textbutton_info[i].gadget_id;
7613     int type_id = textbutton_info[i].gadget_type_id;
7614     int is_tab_button =
7615       ((id >= GADGET_ID_LEVELCONFIG_LEVEL && id <= GADGET_ID_LEVELCONFIG_ENGINE) ||
7616        (id >= GADGET_ID_PROPERTIES_INFO && id <= GADGET_ID_PROPERTIES_CHANGE));
7617     int graphic =
7618       (is_tab_button ? IMG_EDITOR_TABBUTTON : IMG_EDITOR_TEXTBUTTON);
7619     int gadget_distance =
7620       (is_tab_button ? ED_GADGET_SMALL_DISTANCE : ED_GADGET_TEXT_DISTANCE);
7621     struct GraphicInfo *gd = &graphic_info[graphic];
7622     int gd_x1 = gd->src_x;
7623     int gd_y1 = gd->src_y;
7624     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7625     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7626     int gd_x1a = gd->src_x + gd->active_xoffset;
7627     int gd_y1a = gd->src_y + gd->active_yoffset;
7628     int border_xsize = gd->border_size + gd->draw_xoffset;
7629     int border_ysize = gd->border_size;
7630     struct GadgetInfo *gi;
7631     unsigned int event_mask = GD_EVENT_RELEASED;
7632     char infotext[MAX_OUTPUT_LINESIZE + 1];
7633     int x = SX + ED_SETTINGS_X(textbutton_info[i].x);
7634     int y = SY + ED_SETTINGS_Y(textbutton_info[i].y);
7635
7636     if (type_id != i)
7637       Fail("'textbutton_info' structure corrupted at index %d -- please fix", i);
7638
7639     if (textbutton_info[i].size == -1)  // dynamically determine size
7640       textbutton_info[i].size = strlen(textbutton_info[i].text);
7641
7642     sprintf(infotext, "%s", textbutton_info[i].infotext);
7643     infotext[max_infotext_len] = '\0';
7644
7645     // determine horizontal position to the right of specified gadget
7646     if (textbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7647     {
7648       int gadget_id_align = textbutton_info[i].gadget_id_align;
7649
7650       x = right_gadget_border[gadget_id_align] + gadget_distance;
7651
7652       if (textbutton_info[i].y == -1)
7653         y = level_editor_gadget[gadget_id_align]->y;
7654     }
7655
7656     // determine horizontal offset for leading text
7657     if (textbutton_info[i].text_left != NULL)
7658       x += getTextWidthForGadget(textbutton_info[i].text_left);
7659
7660     gi = CreateGadget(GDI_CUSTOM_ID, id,
7661                       GDI_CUSTOM_TYPE_ID, type_id,
7662                       GDI_IMAGE_ID, graphic,
7663                       GDI_INFO_TEXT, infotext,
7664                       GDI_X, x,
7665                       GDI_Y, y,
7666                       GDI_TYPE, GD_TYPE_TEXT_BUTTON,
7667                       GDI_TEXT_VALUE, textbutton_info[i].text,
7668                       GDI_TEXT_SIZE, textbutton_info[i].size,
7669                       GDI_TEXT_FONT, FONT_INPUT_2,
7670                       GDI_TEXT_FONT_ACTIVE, FONT_INPUT_2_ACTIVE,
7671                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7672                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7673                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7674                       GDI_BORDER_SIZE, border_xsize, border_ysize,
7675                       GDI_DESIGN_WIDTH, gd->width,
7676                       GDI_DECORATION_SHIFTING, 1, 1,
7677                       GDI_EVENT_MASK, event_mask,
7678                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7679                       GDI_CALLBACK_ACTION, HandleTextbuttonGadgets,
7680                       GDI_END);
7681
7682     if (gi == NULL)
7683       Fail("cannot create gadget");
7684
7685     level_editor_gadget[id] = gi;
7686     right_gadget_border[id] =
7687       getRightGadgetBorder(gi, textbutton_info[i].text_right);
7688   }
7689 }
7690
7691 static void CreateGraphicbuttonGadgets(void)
7692 {
7693   struct GadgetInfo *gi;
7694   int i;
7695
7696   // create buttons for scrolling of drawing area and element list
7697   for (i = 0; i < ED_NUM_GRAPHICBUTTONS; i++)
7698   {
7699     int id = graphicbutton_info[i].gadget_id;
7700     int type_id = graphicbutton_info[i].gadget_type_id;
7701     int x = SX + ED_SETTINGS_X(graphicbutton_info[i].x);
7702     int y = SY + ED_SETTINGS_Y(graphicbutton_info[i].y);
7703     int graphic = graphicbutton_info[i].graphic;
7704     struct GraphicInfo *gd = &graphic_info[graphic];
7705     int gd_x1 = gd->src_x;
7706     int gd_y1 = gd->src_y;
7707     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7708     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7709     unsigned int event_mask = GD_EVENT_RELEASED;
7710
7711     if (type_id != i)
7712       Fail("'graphicbutton_info' structure corrupted at index %d -- please fix", i);
7713
7714     // determine horizontal position to the right of specified gadget
7715     if (graphicbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7716       x = (right_gadget_border[graphicbutton_info[i].gadget_id_align] +
7717            ED_GADGET_TEXT_DISTANCE);
7718
7719     // determine horizontal offset for leading text
7720     if (graphicbutton_info[i].text_left != NULL)
7721       x += getTextWidthForGadget(graphicbutton_info[i].text_left);
7722
7723     gi = CreateGadget(GDI_CUSTOM_ID, id,
7724                       GDI_CUSTOM_TYPE_ID, type_id,
7725                       GDI_IMAGE_ID, graphic,
7726                       GDI_INFO_TEXT, graphicbutton_info[i].infotext,
7727                       GDI_X, x,
7728                       GDI_Y, y,
7729                       GDI_WIDTH, gd->width,
7730                       GDI_HEIGHT, gd->height,
7731                       GDI_TYPE, GD_TYPE_NORMAL_BUTTON,
7732                       GDI_STATE, GD_BUTTON_UNPRESSED,
7733                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7734                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7735                       GDI_EVENT_MASK, event_mask,
7736                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7737                       GDI_CALLBACK_ACTION, HandleGraphicbuttonGadgets,
7738                       GDI_END);
7739
7740     if (gi == NULL)
7741       Fail("cannot create gadget");
7742
7743     level_editor_gadget[id] = gi;
7744     right_gadget_border[id] =
7745       getRightGadgetBorder(gi, graphicbutton_info[i].text_right);
7746   }
7747 }
7748
7749 static void CreateScrollbarGadgets(void)
7750 {
7751   int i;
7752
7753   // these values are not constant, but can change at runtime
7754   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].x =
7755     SX + ED_SCROLL_HORIZONTAL_XPOS;
7756   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].y =
7757     SY + ED_SCROLL_HORIZONTAL_YPOS;
7758   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].width =
7759     ED_SCROLL_HORIZONTAL_XSIZE;
7760   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].height =
7761     ED_SCROLL_HORIZONTAL_YSIZE;
7762   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_x      = SX;
7763   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_y      = SY;
7764   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_width  = SXSIZE;
7765   scrollbar_pos[ED_SCROLLBAR_ID_AREA_HORIZONTAL].wheel_height = SYSIZE;
7766
7767   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].x =
7768     SX + ED_SCROLL_VERTICAL_XPOS;
7769   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].y =
7770     SY + ED_SCROLL_VERTICAL_YPOS;
7771   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].width =
7772     ED_SCROLL_VERTICAL_XSIZE;
7773   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].height =
7774     ED_SCROLL_VERTICAL_YSIZE;
7775   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_x      = SX;
7776   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_y      = SY;
7777   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_width  = SXSIZE;
7778   scrollbar_pos[ED_SCROLLBAR_ID_AREA_VERTICAL].wheel_height = SYSIZE;
7779
7780   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].x =
7781     PX + ED_SCROLL2_VERTICAL_XPOS;
7782   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].y =
7783     PY + ED_SCROLL2_VERTICAL_YPOS;
7784   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].width =
7785     ED_SCROLL2_VERTICAL_XSIZE;
7786   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].height =
7787     ED_SCROLL2_VERTICAL_YSIZE;
7788   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_x = PX;
7789   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_y = PY;
7790   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_width  = PXSIZE;
7791   scrollbar_pos[ED_SCROLLBAR_ID_LIST_VERTICAL].wheel_height = PYSIZE;
7792
7793   for (i = 0; i < ED_NUM_SCROLLBARS; i++)
7794   {
7795     int id = scrollbar_info[i].gadget_id;
7796     int type_id = scrollbar_info[i].gadget_type_id;
7797     int graphic = scrollbar_info[i].graphic;
7798     struct GraphicInfo *gd = &graphic_info[graphic];
7799     int gd_x1 = gd->src_x;
7800     int gd_y1 = gd->src_y;
7801     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7802     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7803     struct GadgetInfo *gi;
7804     int items_max, items_visible, item_position;
7805     unsigned int event_mask = GD_EVENT_MOVING | GD_EVENT_OFF_BORDERS;
7806
7807     if (type_id != i)
7808       Fail("'scrollbar_info' structure corrupted at index %d -- please fix", i);
7809
7810     if (i == ED_SCROLLBAR_ID_LIST_VERTICAL)
7811     {
7812       items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
7813       items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
7814       item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
7815     }
7816     else        // drawing area scrollbars
7817     {
7818       if (scrollbar_info[i].type == GD_TYPE_SCROLLBAR_HORIZONTAL)
7819       {
7820         items_max = MAX(lev_fieldx + 2, ed_fieldx);
7821         items_visible = ed_fieldx;
7822         item_position = 0;
7823       }
7824       else
7825       {
7826         items_max = MAX(lev_fieldy + 2, ed_fieldy);
7827         items_visible = ed_fieldy;
7828         item_position = 0;
7829       }
7830     }
7831
7832     gi = CreateGadget(GDI_CUSTOM_ID, id,
7833                       GDI_CUSTOM_TYPE_ID, type_id,
7834                       GDI_IMAGE_ID, graphic,
7835                       GDI_INFO_TEXT, scrollbar_info[i].infotext,
7836                       GDI_X, scrollbar_pos[i].x,
7837                       GDI_Y, scrollbar_pos[i].y,
7838                       GDI_WIDTH, scrollbar_pos[i].width,
7839                       GDI_HEIGHT, scrollbar_pos[i].height,
7840                       GDI_TYPE, scrollbar_info[i].type,
7841                       GDI_SCROLLBAR_ITEMS_MAX, items_max,
7842                       GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
7843                       GDI_SCROLLBAR_ITEM_POSITION, item_position,
7844                       GDI_WHEEL_AREA_X, scrollbar_pos[i].wheel_x,
7845                       GDI_WHEEL_AREA_Y, scrollbar_pos[i].wheel_y,
7846                       GDI_WHEEL_AREA_WIDTH, scrollbar_pos[i].wheel_width,
7847                       GDI_WHEEL_AREA_HEIGHT, scrollbar_pos[i].wheel_height,
7848                       GDI_STATE, GD_BUTTON_UNPRESSED,
7849                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7850                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7851                       GDI_BORDER_SIZE, gd->border_size, gd->border_size,
7852                       GDI_EVENT_MASK, event_mask,
7853                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7854                       GDI_CALLBACK_ACTION, HandleControlButtons,
7855                       GDI_END);
7856
7857     if (gi == NULL)
7858       Fail("cannot create gadget");
7859
7860     level_editor_gadget[id] = gi;
7861   }
7862 }
7863
7864 static void CreateCheckbuttonGadgets(void)
7865 {
7866   struct GadgetInfo *gi;
7867   int i;
7868
7869   for (i = 0; i < ED_NUM_CHECKBUTTONS; i++)
7870   {
7871     int id = checkbutton_info[i].gadget_id;
7872     int type_id = checkbutton_info[i].gadget_type_id;
7873     int graphic = (id == GADGET_ID_STICK_ELEMENT ? IMG_EDITOR_STICKYBUTTON :
7874                    IMG_EDITOR_CHECKBOX);
7875     struct GraphicInfo *gd = &graphic_info[graphic];
7876     int gd_x1 = gd->src_x;
7877     int gd_y1 = gd->src_y;
7878     int gd_x2 = gd->src_x + gd->pressed_xoffset;
7879     int gd_y2 = gd->src_y + gd->pressed_yoffset;
7880     int gd_x1a = gd->src_x + gd->active_xoffset;
7881     int gd_y1a = gd->src_y + gd->active_yoffset;
7882     int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7883     int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7884     int x = SX + ED_SETTINGS_X(checkbutton_info[i].x);
7885     int y = SY + ED_SETTINGS_Y(checkbutton_info[i].y);
7886     unsigned int event_mask = GD_EVENT_PRESSED;
7887
7888     if (type_id != i)
7889       Fail("'checkbutton_info' structure corrupted at index %d -- please fix", i);
7890
7891     // determine horizontal position to the right of specified gadget
7892     if (checkbutton_info[i].gadget_id_align != GADGET_ID_NONE)
7893       x = (right_gadget_border[checkbutton_info[i].gadget_id_align] +
7894            ED_GADGET_TEXT_DISTANCE);
7895
7896     // determine horizontal offset for leading text
7897     if (checkbutton_info[i].text_left != NULL)
7898       x += getTextWidthForGadget(checkbutton_info[i].text_left);
7899
7900     gi = CreateGadget(GDI_CUSTOM_ID, id,
7901                       GDI_CUSTOM_TYPE_ID, type_id,
7902                       GDI_IMAGE_ID, graphic,
7903                       GDI_INFO_TEXT, checkbutton_info[i].infotext,
7904                       GDI_X, x,
7905                       GDI_Y, y,
7906                       GDI_WIDTH, gd->width,
7907                       GDI_HEIGHT, gd->height,
7908                       GDI_TYPE, GD_TYPE_CHECK_BUTTON,
7909                       GDI_CHECKED, *checkbutton_info[i].value,
7910                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7911                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7912                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7913                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7914                       GDI_EVENT_MASK, event_mask,
7915                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7916                       GDI_CALLBACK_ACTION, HandleCheckbuttons,
7917                       GDI_END);
7918
7919     if (gi == NULL)
7920       Fail("cannot create gadget");
7921
7922     level_editor_gadget[id] = gi;
7923     right_gadget_border[id] =
7924       getRightGadgetBorder(gi, checkbutton_info[i].text_right);
7925   }
7926 }
7927
7928 static void CreateRadiobuttonGadgets(void)
7929 {
7930   int graphic = IMG_EDITOR_RADIOBUTTON;
7931   struct GraphicInfo *gd = &graphic_info[graphic];
7932   int gd_x1 = gd->src_x;
7933   int gd_y1 = gd->src_y;
7934   int gd_x2 = gd->src_x + gd->pressed_xoffset;
7935   int gd_y2 = gd->src_y + gd->pressed_yoffset;
7936   int gd_x1a = gd->src_x + gd->active_xoffset;
7937   int gd_y1a = gd->src_y + gd->active_yoffset;
7938   int gd_x2a = gd->src_x + gd->active_xoffset + gd->pressed_xoffset;
7939   int gd_y2a = gd->src_y + gd->active_yoffset + gd->pressed_yoffset;
7940   struct GadgetInfo *gi;
7941   int i;
7942
7943   for (i = 0; i < ED_NUM_RADIOBUTTONS; i++)
7944   {
7945     int id = radiobutton_info[i].gadget_id;
7946     int type_id = radiobutton_info[i].gadget_type_id;
7947     int x = SX + ED_SETTINGS_X(radiobutton_info[i].x);
7948     int y = SY + ED_SETTINGS_Y(radiobutton_info[i].y);
7949     unsigned int event_mask = GD_EVENT_PRESSED;
7950
7951     if (type_id != i)
7952       Fail("'radiobutton_info' structure corrupted at index %d -- please fix", i);
7953
7954     int checked =
7955       (*radiobutton_info[i].value == radiobutton_info[i].checked_value);
7956
7957     // determine horizontal position to the right of specified gadget
7958     if (radiobutton_info[i].gadget_id_align != GADGET_ID_NONE)
7959       x = (right_gadget_border[radiobutton_info[i].gadget_id_align] +
7960            ED_GADGET_TEXT_DISTANCE);
7961
7962     // determine horizontal offset for leading text
7963     if (radiobutton_info[i].text_left != NULL)
7964       x += getTextWidthForGadget(radiobutton_info[i].text_left);
7965
7966     gi = CreateGadget(GDI_CUSTOM_ID, id,
7967                       GDI_CUSTOM_TYPE_ID, type_id,
7968                       GDI_IMAGE_ID, graphic,
7969                       GDI_INFO_TEXT, radiobutton_info[i].infotext,
7970                       GDI_X, x,
7971                       GDI_Y, y,
7972                       GDI_WIDTH, gd->width,
7973                       GDI_HEIGHT, gd->height,
7974                       GDI_TYPE, GD_TYPE_RADIO_BUTTON,
7975                       GDI_RADIO_NR, radiobutton_info[i].radio_button_nr,
7976                       GDI_CHECKED, checked,
7977                       GDI_DESIGN_UNPRESSED, gd->bitmap, gd_x1, gd_y1,
7978                       GDI_DESIGN_PRESSED, gd->bitmap, gd_x2, gd_y2,
7979                       GDI_ALT_DESIGN_UNPRESSED, gd->bitmap, gd_x1a, gd_y1a,
7980                       GDI_ALT_DESIGN_PRESSED, gd->bitmap, gd_x2a, gd_y2a,
7981                       GDI_EVENT_MASK, event_mask,
7982                       GDI_CALLBACK_INFO, HandleEditorGadgetInfoText,
7983                       GDI_CALLBACK_ACTION, HandleRadiobuttons,
7984                       GDI_END);
7985
7986     if (gi == NULL)
7987       Fail("cannot create gadget");
7988
7989     level_editor_gadget[id] = gi;
7990     right_gadget_border[id] =
7991       getRightGadgetBorder(gi, radiobutton_info[i].text_right);
7992   }
7993 }
7994
7995 void CreateLevelEditorGadgets(void)
7996 {
7997   // force EDITOR font inside level editor
7998   SetFontStatus(GAME_MODE_EDITOR);
7999
8000   // these values are not constant, but can change at runtime
8001   ed_fieldx = MAX_ED_FIELDX - 1;
8002   ed_fieldy = MAX_ED_FIELDY - 1;
8003
8004   num_editor_gadgets = NUM_EDITOR_GADGETS;
8005
8006   // Debug("editor", "allocating %d gadgets ...\n", num_editor_gadgets);
8007
8008   level_editor_gadget =
8009     checked_calloc(num_editor_gadgets * sizeof(struct GadgetInfo *));
8010   right_gadget_border =
8011     checked_calloc(num_editor_gadgets * sizeof(int));
8012
8013   // set number of empty (padding) element buttons to maximum number of buttons
8014   num_editor_el_empty = ED_NUM_ELEMENTLIST_BUTTONS;
8015
8016   editor_el_empty = checked_calloc(num_editor_el_empty * sizeof(int));
8017   editor_el_empty_ptr = editor_el_empty;
8018
8019   use_permanent_palette = !editor.palette.show_as_separate_screen;
8020
8021   InitGadgetScreenBorders(-1, INFOTEXT_YPOS);
8022
8023   ReinitializeElementList();
8024
8025   CreateControlButtons();
8026   CreateScrollbarGadgets();
8027
8028   // order of function calls is important because of cross-references
8029   CreateCheckbuttonGadgets();
8030   CreateCounterButtons();
8031   CreateRadiobuttonGadgets();
8032   CreateTextInputGadgets();
8033   CreateTextAreaGadgets();
8034   CreateSelectboxGadgets();
8035   CreateGraphicbuttonGadgets();
8036   CreateTextbuttonGadgets();
8037   CreateDrawingAreas();
8038
8039   ResetFontStatus();
8040 }
8041
8042 void FreeLevelEditorGadgets(void)
8043 {
8044   int i;
8045
8046   // Debug("editor", "freeing %d gadgets ...\n", num_editor_gadgets);
8047
8048   for (i = 0; i < num_editor_gadgets; i++)
8049   {
8050     FreeGadget(level_editor_gadget[i]);
8051
8052     level_editor_gadget[i] = NULL;
8053   }
8054
8055   checked_free(level_editor_gadget);
8056   checked_free(right_gadget_border);
8057
8058   checked_free(editor_el_empty);
8059 }
8060
8061 static void MapCounterButtons(int id)
8062 {
8063   int font_nr = FONT_TEXT_1;
8064   int font_height = getFontHeight(font_nr);
8065   int gadget_id_down = counterbutton_info[id].gadget_id_down;
8066   int gadget_id_text = counterbutton_info[id].gadget_id_text;
8067   int gadget_id_up   = counterbutton_info[id].gadget_id_up;
8068   struct GadgetInfo *gi_down = level_editor_gadget[gadget_id_down];
8069   struct GadgetInfo *gi_text = level_editor_gadget[gadget_id_text];
8070   struct GadgetInfo *gi_up   = level_editor_gadget[gadget_id_up];
8071   int xoffset_left = getTextWidthForGadget(counterbutton_info[id].text_left);
8072   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8073   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8074   int yoffset = (gi_down->height - font_height) / 2;
8075   int x_left = gi_down->x - xoffset_left;
8076   int x_right;  // set after gadget position was modified
8077   int y_above = gi_down->y - yoffset_above;
8078   int x = gi_down->x;
8079   int y;        // set after gadget position was modified
8080
8081   // counter limits must be changed first to prevent value truncation
8082   ModifyEditorCounterLimits(id, counterbutton_info[id].min_value,
8083                             counterbutton_info[id].max_value);
8084
8085   // right text position might have changed after setting position above
8086   x_right = gi_up->x + gi_up->width + xoffset_right;
8087
8088   ModifyEditorCounterValue(id, *counterbutton_info[id].value);
8089
8090   // set position for "value[1,2,3,4]" counter gadgets (score in most cases)
8091   if (id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
8092       id <= ED_COUNTER_ID_ELEMENT_VALUE4)
8093   {
8094     ModifyGadget(gi_down, GDI_Y,
8095                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8096     ModifyGadget(gi_text, GDI_Y,
8097                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8098     ModifyGadget(gi_up,   GDI_Y,
8099                  SY + ED_SETTINGS_Y(counterbutton_info[id].y), GDI_END);
8100   }
8101
8102   // vertical position might have changed after setting position above
8103   y = gi_up->y + yoffset;
8104
8105   if (counterbutton_info[id].text_above)
8106     DrawText(x, y_above, counterbutton_info[id].text_above, font_nr);
8107
8108   if (counterbutton_info[id].text_left)
8109     DrawText(x_left, y, counterbutton_info[id].text_left, font_nr);
8110
8111   if (counterbutton_info[id].text_right)
8112     DrawText(x_right, y, counterbutton_info[id].text_right, font_nr);
8113
8114   MapGadget(gi_down);
8115   MapGadget(gi_text);
8116   MapGadget(gi_up);
8117 }
8118
8119 static void MapControlButtons(void)
8120 {
8121   int counter_id;
8122   int i;
8123
8124   // map toolbox buttons (excluding special CE toolbox buttons)
8125   for (i = 0; i < ED_NUM_CTRL1_2_BUTTONS; i++)
8126     MapGadget(level_editor_gadget[i]);
8127
8128   // map toolbox buttons (element properties buttons)
8129   for (i = ED_NUM_CTRL1_4_BUTTONS; i < ED_NUM_CTRL1_7_BUTTONS; i++)
8130     MapGadget(level_editor_gadget[i]);
8131
8132   if (use_permanent_palette)
8133   {
8134     // map buttons to select elements
8135     for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
8136       MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
8137     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
8138     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
8139     MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
8140   }
8141
8142   // map buttons to select level
8143   counter_id = ED_COUNTER_ID_SELECT_LEVEL;
8144   counterbutton_info[counter_id].min_value = leveldir_current->first_level;
8145   counterbutton_info[counter_id].max_value = leveldir_current->last_level;
8146   MapCounterButtons(counter_id);
8147 }
8148
8149 static void MapDrawingArea(int id)
8150 {
8151   int font_nr = FONT_TEXT_1;
8152   int font_height = getFontHeight(font_nr);
8153   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
8154   int area_xsize = gi->drawing.area_xsize;
8155   int area_ysize = gi->drawing.area_ysize;
8156   int xoffset_left = getTextWidthForDrawingArea(drawingarea_info[id].text_left);
8157   int xoffset_below = getTextWidth(drawingarea_info[id].text_below, font_nr);
8158   int x_left  = gi->x - xoffset_left;
8159   int x_right = gi->x + gi->width + ED_DRAWINGAREA_TEXT_DISTANCE;
8160   int x_above = gi->x - ED_DRAWINGAREA_BORDER_SIZE;
8161   int x_below = gi->x + (gi->width - xoffset_below) / 2;
8162   int y_side  = gi->y + (gi->height - font_height) / 2;
8163   int y_above = gi->y - font_height - ED_DRAWINGAREA_TEXT_DISTANCE;
8164   int y_below = gi->y + gi->height + ED_DRAWINGAREA_TEXT_DISTANCE;
8165
8166   if (drawingarea_info[id].text_left)
8167     DrawText(x_left, y_side, drawingarea_info[id].text_left, font_nr);
8168
8169   if (drawingarea_info[id].text_right)
8170     DrawText(x_right, y_side, drawingarea_info[id].text_right, font_nr);
8171
8172   if (drawingarea_info[id].text_above)
8173     DrawText(x_above, y_above, drawingarea_info[id].text_above, font_nr);
8174
8175   if (drawingarea_info[id].text_below)
8176     DrawText(x_below, y_below, drawingarea_info[id].text_below, font_nr);
8177
8178   if (id != ED_DRAWING_ID_DRAWING_LEVEL)
8179   {
8180     DrawElementBorder(gi->x, gi->y,
8181                       area_xsize * ED_DRAWINGAREA_TILE_SIZE,
8182                       area_ysize * ED_DRAWINGAREA_TILE_SIZE, TRUE);
8183
8184     DrawDrawingArea(id);
8185   }
8186
8187   MapGadget(gi);
8188 }
8189
8190 static void MapTextInputGadget(int id)
8191 {
8192   int font_nr = FONT_TEXT_1;
8193   int font_height = getFontHeight(font_nr);
8194   struct GadgetInfo *gi = level_editor_gadget[textinput_info[id].gadget_id];
8195   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8196   int x_above = ED_SETTINGS_X(textinput_info[id].x);
8197   int y_above = ED_SETTINGS_Y(textinput_info[id].y) - yoffset_above;
8198
8199   if (textinput_info[id].text_above)
8200     DrawTextS(x_above, y_above, font_nr, textinput_info[id].text_above);
8201
8202   ModifyGadget(gi, GDI_TEXT_VALUE, textinput_info[id].value, GDI_END);
8203
8204   MapGadget(gi);
8205 }
8206
8207 static void MapTextAreaGadget(int id)
8208 {
8209   int font_nr = FONT_TEXT_1;
8210   int font_height = getFontHeight(font_nr);
8211   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
8212   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8213   int x_above = ED_SETTINGS_X(textarea_info[id].x);
8214   int y_above = ED_SETTINGS_Y(textarea_info[id].y) - yoffset_above;
8215   char *text_above = textarea_info[id].text_above;
8216
8217   if (gi->textarea.cropped && textarea_info[id].text_above_cropped)
8218     text_above = textarea_info[id].text_above_cropped;
8219
8220   if (text_above)
8221     DrawTextS(x_above, y_above, font_nr, text_above);
8222
8223   ModifyGadget(gi, GDI_TEXT_VALUE, textarea_info[id].value, GDI_END);
8224
8225   MapGadget(gi);
8226 }
8227
8228 static void MapSelectboxGadget(int id)
8229 {
8230   int font_nr = FONT_TEXT_1;
8231   int font_height = getFontHeight(font_nr);
8232   struct GadgetInfo *gi = level_editor_gadget[selectbox_info[id].gadget_id];
8233   int xoffset_left = getTextWidthForGadget(selectbox_info[id].text_left);
8234   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8235   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8236   int yoffset = (gi->height - font_height) / 2;
8237   int x_left = gi->x - xoffset_left;
8238   int x_right = gi->x + gi->width + xoffset_right;
8239   int y_above = gi->y - yoffset_above;
8240   int x = gi->x;
8241   int y = gi->y + yoffset;
8242
8243   if (selectbox_info[id].text_above)
8244     DrawText(x, y_above, selectbox_info[id].text_above, font_nr);
8245
8246   if (selectbox_info[id].text_left)
8247     DrawText(x_left, y, selectbox_info[id].text_left, font_nr);
8248
8249   if (selectbox_info[id].text_right)
8250     DrawText(x_right, y, selectbox_info[id].text_right, font_nr);
8251
8252   ModifyEditorSelectboxValue(id, *selectbox_info[id].value);
8253
8254   MapGadget(gi);
8255 }
8256
8257 static void MapTextbuttonGadget(int id)
8258 {
8259   int font_nr = FONT_TEXT_1;
8260   int font_height = getFontHeight(font_nr);
8261   struct GadgetInfo *gi = level_editor_gadget[textbutton_info[id].gadget_id];
8262   int xoffset_left = getTextWidthForGadget(textbutton_info[id].text_left);
8263   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8264   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8265   int yoffset = (gi->height - font_height) / 2;
8266   int x_left = gi->x - xoffset_left;
8267   int x_right = gi->x + gi->width + xoffset_right;
8268   int y_above = gi->y - yoffset_above;
8269   int x = gi->x;
8270   int y = gi->y + yoffset;
8271
8272   // only show button to delete change pages when more than minimum pages
8273   if (id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
8274       custom_element.num_change_pages == MIN_CHANGE_PAGES)
8275     return;
8276
8277   if (textbutton_info[id].text_above)
8278     DrawText(x, y_above, textbutton_info[id].text_above, font_nr);
8279
8280   if (textbutton_info[id].text_left)
8281     DrawText(x_left, y, textbutton_info[id].text_left, font_nr);
8282
8283   if (textbutton_info[id].text_right)
8284     DrawText(x_right, y, textbutton_info[id].text_right, font_nr);
8285
8286   MapGadget(gi);
8287 }
8288
8289 static void MapGraphicbuttonGadget(int id)
8290 {
8291   int font_nr = FONT_TEXT_1;
8292   int font_height = getFontHeight(font_nr);
8293   struct GadgetInfo *gi = level_editor_gadget[graphicbutton_info[id].gadget_id];
8294   int xoffset_left = getTextWidthForGadget(graphicbutton_info[id].text_left);
8295   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8296   int yoffset = (gi->height - font_height) / 2;
8297   int x_left = gi->x - xoffset_left;
8298   int x_right = gi->x + gi->width + xoffset_right;
8299   int y = gi->y + yoffset;
8300
8301   if (graphicbutton_info[id].text_left)
8302     DrawText(x_left, y, graphicbutton_info[id].text_left, font_nr);
8303
8304   if (graphicbutton_info[id].text_right)
8305     DrawText(x_right, y, graphicbutton_info[id].text_right, font_nr);
8306
8307   MapGadget(gi);
8308 }
8309
8310 static void MapRadiobuttonGadget(int id)
8311 {
8312   int font_nr = FONT_TEXT_1;
8313   int font_height = getFontHeight(font_nr);
8314   struct GadgetInfo *gi = level_editor_gadget[radiobutton_info[id].gadget_id];
8315   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8316   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8317   int yoffset = (gi->height - font_height) / 2;
8318   int x_left = gi->x - xoffset_left;
8319   int x_right = gi->x + gi->width + xoffset_right;
8320   int y = gi->y + yoffset;
8321   boolean checked =
8322     (*radiobutton_info[id].value == radiobutton_info[id].checked_value);
8323
8324   if (radiobutton_info[id].text_left)
8325     DrawText(x_left, y, radiobutton_info[id].text_left, font_nr);
8326
8327   if (radiobutton_info[id].text_right)
8328     DrawText(x_right, y, radiobutton_info[id].text_right, font_nr);
8329
8330   ModifyGadget(gi, GDI_CHECKED, checked, GDI_END);
8331
8332   MapGadget(gi);
8333 }
8334
8335 static void MapCheckbuttonGadget(int id)
8336 {
8337   int font_nr = FONT_TEXT_1;
8338   int font_height = getFontHeight(font_nr);
8339   struct GadgetInfo *gi = level_editor_gadget[checkbutton_info[id].gadget_id];
8340   int xoffset_left = getTextWidthForGadget(checkbutton_info[id].text_left);
8341   int xoffset_right = ED_GADGET_TEXT_DISTANCE;
8342   int yoffset_above = font_height + ED_GADGET_LINE_DISTANCE;
8343   int yoffset = (gi->height - font_height) / 2;
8344   int y_above = gi->y - yoffset_above;
8345   int x = gi->x;
8346   int x_left, x_right, y;       // set after gadget position was modified
8347
8348   // set position for gadgets with dynamically determined position
8349   if (checkbutton_info[id].x != -1)     // do not change dynamic positions
8350     ModifyGadget(gi, GDI_X, SX + ED_SETTINGS_X(checkbutton_info[id].x), GDI_END);
8351   ModifyGadget(gi, GDI_Y, SY + ED_SETTINGS_Y(checkbutton_info[id].y), GDI_END);
8352
8353   x_left = gi->x - xoffset_left;
8354   x_right = gi->x + gi->width + xoffset_right;
8355   y = gi->y + yoffset;
8356
8357   if (checkbutton_info[id].text_above)
8358     DrawText(x, y_above, checkbutton_info[id].text_above, font_nr);
8359
8360   if (checkbutton_info[id].text_left)
8361     DrawText(x_left, y, checkbutton_info[id].text_left, font_nr);
8362
8363   if (checkbutton_info[id].text_right)
8364     DrawText(x_right, y, checkbutton_info[id].text_right, font_nr);
8365
8366   ModifyGadget(gi, GDI_CHECKED, *checkbutton_info[id].value, GDI_END);
8367
8368   MapGadget(gi);
8369 }
8370
8371 static void MapMainDrawingArea(void)
8372 {
8373   boolean no_horizontal_scrollbar = (lev_fieldx + 2 <= ed_fieldx);
8374   boolean no_vertical_scrollbar = (lev_fieldy + 2 <= ed_fieldy);
8375   int i;
8376
8377   if (suppressBorderElement())
8378   {
8379     no_horizontal_scrollbar = (lev_fieldx <= ed_fieldx);
8380     no_vertical_scrollbar   = (lev_fieldy <= ed_fieldy);
8381   }
8382
8383   for (i = ED_SCROLLBUTTON_ID_AREA_FIRST; i <= ED_SCROLLBUTTON_ID_AREA_LAST; i++)
8384   {
8385     if (((i == ED_SCROLLBUTTON_ID_AREA_LEFT ||
8386           i == ED_SCROLLBUTTON_ID_AREA_RIGHT) &&
8387          no_horizontal_scrollbar) ||
8388         ((i == ED_SCROLLBUTTON_ID_AREA_UP ||
8389           i == ED_SCROLLBUTTON_ID_AREA_DOWN) &&
8390          no_vertical_scrollbar))
8391       continue;
8392
8393     MapGadget(level_editor_gadget[scrollbutton_info[i].gadget_id]);
8394   }
8395
8396   for (i = ED_SCROLLBAR_ID_AREA_FIRST; i <= ED_SCROLLBAR_ID_AREA_LAST; i++)
8397   {
8398     if ((i == ED_SCROLLBAR_ID_AREA_HORIZONTAL && no_horizontal_scrollbar) ||
8399         (i == ED_SCROLLBAR_ID_AREA_VERTICAL && no_vertical_scrollbar))
8400       continue;
8401
8402     MapGadget(level_editor_gadget[scrollbar_info[i].gadget_id]);
8403   }
8404
8405   MapDrawingArea(ED_DRAWING_ID_DRAWING_LEVEL);
8406 }
8407
8408 static void MapOrUnmapLevelEditorToolboxCustomGadgets(boolean map)
8409 {
8410   int i;
8411
8412   for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
8413   {
8414     if (i == GADGET_ID_CUSTOM_COPY_FROM ||
8415         i == GADGET_ID_CUSTOM_COPY_TO ||
8416         i == GADGET_ID_CUSTOM_EXCHANGE ||
8417         i == GADGET_ID_CUSTOM_COPY ||
8418         i == GADGET_ID_CUSTOM_PASTE)
8419     {
8420       if (map)
8421         MapGadget(level_editor_gadget[i]);
8422       else
8423         UnmapGadget(level_editor_gadget[i]);
8424     }
8425   }
8426 }
8427
8428 static void MapLevelEditorToolboxCustomGadgets(void)
8429 {
8430   MapOrUnmapLevelEditorToolboxCustomGadgets(TRUE);
8431 }
8432
8433 static void MapLevelEditorToolboxCustomGadgetsIfNeeded(void)
8434 {
8435   if (IS_CUSTOM_ELEMENT(properties_element) ||
8436       IS_GROUP_ELEMENT(properties_element) ||
8437       IS_EMPTY_ELEMENT(properties_element))
8438     MapLevelEditorToolboxCustomGadgets();
8439 }
8440
8441 static void UnmapLevelEditorToolboxCustomGadgets(void)
8442 {
8443   MapOrUnmapLevelEditorToolboxCustomGadgets(FALSE);
8444 }
8445
8446 static void MapOrUnmapLevelEditorToolboxDrawingGadgets(boolean map)
8447 {
8448   int i;
8449
8450   for (i = 0; i < ED_NUM_CTRL1_BUTTONS; i++)
8451   {
8452     if (i != GADGET_ID_SINGLE_ITEMS &&
8453         i != GADGET_ID_PICK_ELEMENT)
8454     {
8455       struct GadgetInfo *gi = level_editor_gadget[i];
8456
8457       if (map)
8458       {
8459         MapGadget(gi);
8460       }
8461       else
8462       {
8463         int graphic = IMG_EDITOR_NO_TOOLBOX_BUTTON;
8464         struct GraphicInfo *gd = &graphic_info[graphic];
8465
8466         UnmapGadget(gi);
8467
8468         BlitBitmap(gd->bitmap, drawto, gd->src_x, gd->src_y,
8469                    gi->width, gi->height, gi->x, gi->y);
8470
8471         redraw_mask |= REDRAW_DOOR_3;
8472       }
8473     }
8474   }
8475 }
8476
8477 static void MapLevelEditorToolboxDrawingGadgets(void)
8478 {
8479   MapOrUnmapLevelEditorToolboxDrawingGadgets(TRUE);
8480 }
8481
8482 static void UnmapLevelEditorToolboxDrawingGadgets(void)
8483 {
8484   MapOrUnmapLevelEditorToolboxDrawingGadgets(FALSE);
8485 }
8486
8487 static void UnmapDrawingArea(int id)
8488 {
8489   UnmapGadget(level_editor_gadget[drawingarea_info[id].gadget_id]);
8490 }
8491
8492 static void UnmapLevelEditorFieldGadgets(void)
8493 {
8494   int i;
8495
8496   for (i = 0; i < num_editor_gadgets; i++)
8497     if (IN_GFX_FIELD_FULL(level_editor_gadget[i]->x,
8498                           level_editor_gadget[i]->y))
8499       UnmapGadget(level_editor_gadget[i]);
8500 }
8501
8502 void UnmapLevelEditorGadgets(void)
8503 {
8504   int i;
8505
8506   for (i = 0; i < num_editor_gadgets; i++)
8507     UnmapGadget(level_editor_gadget[i]);
8508 }
8509
8510 static void ResetUndoBuffer(void)
8511 {
8512   undo_buffer_position = -1;
8513   undo_buffer_steps = -1;
8514   redo_buffer_steps = 0;
8515
8516   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
8517
8518   level.changed = FALSE;
8519 }
8520
8521 static void DrawEditModeWindowExt(boolean remap_toolbox_gadgets)
8522 {
8523   if (remap_toolbox_gadgets)
8524   {
8525     ModifyEditorElementList();
8526     RedrawDrawingElements();
8527   }
8528
8529   if (edit_mode == ED_MODE_LEVELCONFIG)
8530     DrawLevelConfigWindow();
8531   else if (edit_mode == ED_MODE_PROPERTIES)
8532     DrawPropertiesWindow();
8533   else if (edit_mode == ED_MODE_PALETTE)
8534     DrawPaletteWindow();
8535   else  // edit_mode == ED_MODE_DRAWING
8536     DrawDrawingWindowExt(remap_toolbox_gadgets);
8537 }
8538
8539 static void DrawEditModeWindow(void)
8540 {
8541   DrawEditModeWindowExt(TRUE);
8542 }
8543
8544 static void DrawEditModeWindow_PlayfieldOnly(void)
8545 {
8546   DrawEditModeWindowExt(FALSE);
8547 }
8548
8549 static void ChangeEditModeWindow(int new_edit_mode)
8550 {
8551   edit_mode = (new_edit_mode != edit_mode ? new_edit_mode : ED_MODE_DRAWING);
8552
8553   DrawEditModeWindow();
8554 }
8555
8556 static boolean LevelChanged(void)
8557 {
8558   boolean field_changed = FALSE;
8559   int x, y;
8560
8561   for (y = 0; y < lev_fieldy; y++)
8562     for (x = 0; x < lev_fieldx; x++)
8563       if (Tile[x][y] != level.field[x][y])
8564         field_changed = TRUE;
8565
8566   return (level.changed || field_changed);
8567 }
8568
8569 static boolean PrepareSavingIntoPersonalLevelSet(void)
8570 {
8571   static LevelDirTree *last_copied_leveldir = NULL;
8572   static LevelDirTree *last_written_leveldir = NULL;
8573   static int last_copied_level_nr = -1;
8574   static int last_written_level_nr = -1;
8575   LevelDirTree *leveldir_former = leveldir_current;
8576   int level_nr_former = level_nr;
8577   int new_level_nr;
8578
8579   // remember last mod/save so that for current session, we write
8580   // back to the same personal copy, asking only about overwrite.
8581   if (leveldir_current == last_copied_leveldir &&
8582       level_nr == last_copied_level_nr)
8583   {
8584     // "cd" to personal level set dir (as used when writing last copy)
8585     leveldir_current = last_written_leveldir;
8586     level_nr = last_written_level_nr;
8587
8588     return TRUE;
8589   }
8590
8591   if (!Request("This level is read-only! "
8592                "Save into personal level set?", REQ_ASK))
8593     return FALSE;
8594
8595   // "cd" to personal level set dir (for writing copy the first time)
8596   leveldir_current =
8597     getTreeInfoFromIdentifier(leveldir_first, getLoginName());
8598
8599   // this may happen if "setup.internal.create_user_levelset" is FALSE
8600   // or if file "levelinfo.conf" is missing in personal user level set
8601   if (leveldir_current == NULL)
8602   {
8603     Request("Cannot find personal level set?!", REQ_CONFIRM);
8604
8605     leveldir_current = leveldir_former;
8606
8607     return FALSE;
8608   }
8609
8610   // find unused level number
8611   for (new_level_nr = leveldir_current->first_level; ; new_level_nr++)
8612   {
8613     static char *level_filename = NULL;
8614
8615     setString(&level_filename, getDefaultLevelFilename(new_level_nr));
8616
8617     if (!fileExists(level_filename))
8618       break;
8619   }
8620
8621   last_copied_leveldir = leveldir_former;
8622   last_copied_level_nr = level_nr_former;
8623
8624   last_written_leveldir = leveldir_current;
8625   last_written_level_nr = level_nr = new_level_nr;
8626
8627   return TRUE;
8628 }
8629
8630 static void ModifyLevelConfigForSavingIntoPersonalLevelSet(char *former_name)
8631 {
8632   static char *filename_levelinfo = NULL, *mod_name = NULL;
8633   FILE *file;
8634
8635   // annotate this copy-and-mod in personal levelinfo.conf
8636   setString(&filename_levelinfo,
8637             getPath2(getCurrentLevelDir(), LEVELINFO_FILENAME));
8638
8639   if ((file = fopen(filename_levelinfo, MODE_APPEND)))
8640   {
8641     fprintf(file, "\n");
8642     fprintf(file, "# level %d was modified from:\n", level_nr);
8643     fprintf(file, "# - previous level set name:    %s\n",
8644             former_name);
8645     fprintf(file, "# - level within previous set:  %d \"%s\"\n",
8646             level.file_info.nr, level.name);
8647     fprintf(file, "# - previous author:            %s\n",
8648             level.author);
8649     fprintf(file, "# - previous save date:         ");
8650
8651     if (level.creation_date.src == DATE_SRC_LEVELFILE)
8652     {
8653       fprintf(file, "%04d-%02d-%02d\n",
8654               level.creation_date.year,
8655               level.creation_date.month,
8656               level.creation_date.day);
8657     }
8658     else
8659     {
8660       fprintf(file, "not recorded\n");
8661     }
8662
8663     fclose(file);
8664   }
8665
8666   if (level_nr > leveldir_current->last_level)
8667     UpdateUserLevelSet(getLoginName(), NULL, NULL, level_nr + 9);
8668
8669   // else: allow the save even if annotation failed
8670
8671   // now... spray graffiti on the old level vital statistics
8672   // user can change these; just trying to set a good baseline
8673
8674   // don't truncate names for fear of making offensive or silly:
8675   // long-named original author only recorded in levelinfo.conf.
8676   // try to fit "Joe after Bob", "Joe (ed.)", then just "Joe"
8677   if (!strEqual(level.author, leveldir_current->author))
8678   {
8679     setString(&mod_name, getStringCat3(leveldir_current->author,
8680                                        " after ", level.author));
8681
8682     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8683       setString(&mod_name,
8684                 getStringCat2(leveldir_current->author, " (ed.)"));
8685
8686     if (strlen(mod_name) > MAX_LEVEL_AUTHOR_LEN)
8687       setString(&mod_name, leveldir_current->author);
8688
8689     strncpy(level.author, mod_name, MAX_LEVEL_AUTHOR_LEN);
8690
8691     // less worried about truncation here
8692     setString(&mod_name, getStringCat2("Mod: ", level.name));
8693     strncpy(level.name, mod_name, MAX_LEVEL_NAME_LEN);
8694   }
8695 }
8696
8697 static void CopyPlayfield(short src[MAX_LEV_FIELDX][MAX_LEV_FIELDY],
8698                           short dst[MAX_LEV_FIELDX][MAX_LEV_FIELDY])
8699 {
8700   int x, y;
8701
8702   for (x = 0; x < lev_fieldx; x++)
8703     for (y = 0; y < lev_fieldy; y++)
8704       dst[x][y] = src[x][y];
8705 }
8706
8707 static int setSelectboxValue(int selectbox_id, int new_value)
8708 {
8709   int new_index_value = 0;
8710   int i;
8711
8712   for (i = 0; selectbox_info[selectbox_id].options[i].text != NULL; i++)
8713     if (selectbox_info[selectbox_id].options[i].value == new_value)
8714       new_index_value = i;
8715
8716   *selectbox_info[selectbox_id].value =
8717     selectbox_info[selectbox_id].options[new_index_value].value;
8718
8719   return new_index_value;
8720 }
8721
8722 static void setSelectboxSpecialActionVariablesIfNeeded(void)
8723 {
8724   int i;
8725
8726   // change action mode and arg variables according to action type variable
8727   for (i = 0; action_arg_options[i].value != -1; i++)
8728   {
8729     if (action_arg_options[i].value == custom_element_change.action_type)
8730     {
8731       int mode = action_arg_options[i].mode;
8732
8733       // only change if corresponding selectbox has changed
8734       if (selectbox_info[ED_SELECTBOX_ID_ACTION_MODE].options !=
8735           action_arg_modes[mode])
8736         custom_element_change.action_mode = -1;
8737
8738       // only change if corresponding selectbox has changed
8739       if (selectbox_info[ED_SELECTBOX_ID_ACTION_ARG].options !=
8740           action_arg_options[i].options)
8741         custom_element_change.action_arg = -1;
8742
8743       break;
8744     }
8745   }
8746 }
8747
8748 static void setSelectboxSpecialActionOptions(void)
8749 {
8750   int i;
8751
8752   // change action mode and arg selectbox according to action type selectbox
8753   for (i = 0; action_arg_options[i].value != -1; i++)
8754   {
8755     if (action_arg_options[i].value == custom_element_change.action_type)
8756     {
8757       int mode = action_arg_options[i].mode;
8758
8759       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_MODE,
8760                                    action_arg_modes[mode]);
8761       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_MODE,
8762                                  custom_element_change.action_mode);
8763
8764       ModifyEditorSelectboxOptions(ED_SELECTBOX_ID_ACTION_ARG,
8765                                    action_arg_options[i].options);
8766       ModifyEditorSelectboxValue(ED_SELECTBOX_ID_ACTION_ARG,
8767                                  custom_element_change.action_arg);
8768       break;
8769     }
8770   }
8771 }
8772
8773 static void copy_custom_element_settings(int element_from, int element_to)
8774 {
8775   struct ElementInfo *ei_from = &element_info[element_from];
8776   struct ElementInfo *ei_to = &element_info[element_to];
8777
8778   copyElementInfo(ei_from, ei_to);
8779 }
8780
8781 static void replace_custom_element_in_settings(int element_from,
8782                                                int element_to)
8783 {
8784   int i, j, x, y;
8785
8786   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
8787   {
8788     struct ElementInfo *ei = &element_info[i];
8789
8790     for (y = 0; y < 3; y++)
8791       for (x = 0; x < 3; x++)
8792         if (ei->content.e[x][y] == element_from)
8793           ei->content.e[x][y] = element_to;
8794
8795     for (j = 0; j < ei->num_change_pages; j++)
8796     {
8797       struct ElementChangeInfo *change = &ei->change_page[j];
8798
8799       if (change->target_element == element_from)
8800         change->target_element = element_to;
8801
8802       if (change->initial_trigger_element == element_from)
8803         change->initial_trigger_element = element_to;
8804
8805       if (change->action_element == element_from)
8806         change->action_element = element_to;
8807
8808       for (y = 0; y < 3; y++)
8809         for (x = 0; x < 3; x++)
8810           if (change->target_content.e[x][y] == element_from)
8811             change->target_content.e[x][y] = element_to;
8812     }
8813
8814     if (ei->group != NULL)                              // group or internal
8815       for (j = 0; j < MAX_ELEMENTS_IN_GROUP; j++)
8816         if (ei->group->element[j] == element_from)
8817           ei->group->element[j] = element_to;
8818   }
8819 }
8820
8821 static void replace_custom_element_in_playfield(int element_from,
8822                                                 int element_to)
8823 {
8824   int x, y;
8825
8826   for (x = 0; x < lev_fieldx; x++)
8827     for (y = 0; y < lev_fieldy; y++)
8828       if (Tile[x][y] == element_from)
8829         Tile[x][y] = element_to;
8830 }
8831
8832 static boolean CopyCustomElement(int element_old, int element_new,
8833                                  int copy_mode)
8834 {
8835   int copy_mode_orig = copy_mode;
8836
8837   if (copy_mode == GADGET_ID_CUSTOM_COPY)
8838   {
8839     element_new = (IS_CUSTOM_ELEMENT(element_old) ?
8840                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8841     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8842   }
8843   else if (copy_mode == GADGET_ID_CUSTOM_PASTE)
8844   {
8845     element_old = (IS_CUSTOM_ELEMENT(element_new) ?
8846                    EL_INTERNAL_CLIPBOARD_CUSTOM : EL_INTERNAL_CLIPBOARD_GROUP);
8847     copy_mode = GADGET_ID_CUSTOM_COPY_TO;
8848
8849     level.changed = TRUE;
8850   }
8851   else if (IS_CUSTOM_ELEMENT(element_old) && !IS_CUSTOM_ELEMENT(element_new))
8852   {
8853     Request("Please choose custom element!", REQ_CONFIRM);
8854
8855     return FALSE;
8856   }
8857   else if (IS_GROUP_ELEMENT(element_old) && !IS_GROUP_ELEMENT(element_new))
8858   {
8859     Request("Please choose group element!", REQ_CONFIRM);
8860
8861     return FALSE;
8862   }
8863   else if (IS_EMPTY_ELEMENT(element_old) && !IS_EMPTY_ELEMENT(element_new))
8864   {
8865     Request("Please choose empty element!", REQ_CONFIRM);
8866
8867     return FALSE;
8868   }
8869   else
8870   {
8871     level.changed = TRUE;
8872   }
8873
8874   // when modifying custom/group element, ask for copying level template
8875   if (copy_mode_orig != GADGET_ID_CUSTOM_COPY && level.use_custom_template)
8876   {
8877     if (!AskToCopyAndModifyLevelTemplate())
8878       return FALSE;
8879   }
8880
8881   if (copy_mode == GADGET_ID_CUSTOM_COPY_FROM)
8882   {
8883     copy_custom_element_settings(element_new, element_old);
8884   }
8885   else if (copy_mode == GADGET_ID_CUSTOM_COPY_TO)
8886   {
8887     copy_custom_element_settings(element_old, element_new);
8888   }
8889   else if (copy_mode == GADGET_ID_CUSTOM_EXCHANGE)
8890   {
8891     copy_custom_element_settings(element_old, EL_INTERNAL_DUMMY);
8892     copy_custom_element_settings(element_new, element_old);
8893     copy_custom_element_settings(EL_INTERNAL_DUMMY, element_new);
8894
8895     replace_custom_element_in_settings(element_old, EL_INTERNAL_DUMMY);
8896     replace_custom_element_in_settings(element_new, element_old);
8897     replace_custom_element_in_settings(EL_INTERNAL_DUMMY, element_new);
8898
8899     replace_custom_element_in_playfield(element_old, EL_INTERNAL_DUMMY);
8900     replace_custom_element_in_playfield(element_new, element_old);
8901     replace_custom_element_in_playfield(EL_INTERNAL_DUMMY, element_new);
8902   }
8903
8904   UpdateCustomElementGraphicGadgets();
8905   DrawPropertiesWindow();
8906
8907   return TRUE;
8908 }
8909
8910 static void CopyCustomElementPropertiesToEditor(int element)
8911 {
8912   int i;
8913   int current_change_page = element_info[element].current_change_page;
8914
8915   // dynamically (re)build selectbox for selecting change page
8916   for (i = 0; i < element_info[element].num_change_pages; i++)
8917   {
8918     sprintf(options_change_page_strings[i], "%d", i + 1);
8919
8920     options_change_page[i].value = i;
8921     options_change_page[i].text = options_change_page_strings[i];
8922   }
8923
8924   options_change_page[i].value = -1;
8925   options_change_page[i].text = NULL;
8926
8927   // needed here to initialize combined element properties
8928   InitElementPropertiesEngine(level.game_version);
8929
8930   element_info[element].change =
8931     &element_info[element].change_page[current_change_page];
8932
8933   custom_element = element_info[element];
8934   custom_element_change = *element_info[element].change;
8935
8936   // needed to initially set selectbox options for special action options
8937   setSelectboxSpecialActionOptions();
8938
8939   // needed to initially set selectbox value variables to reliable defaults
8940   for (i = 0; i < ED_NUM_SELECTBOX; i++)
8941     setSelectboxValue(i, *selectbox_info[i].value);
8942
8943   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
8944     custom_element_properties[i] = HAS_PROPERTY(element, i);
8945
8946   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
8947     custom_element_change_events[i] = HAS_CHANGE_EVENT(element, i);
8948
8949   // ---------- element settings: configure (custom elements) -----------------
8950
8951   // set accessible layer selectbox help value
8952   custom_element.access_type =
8953     (IS_WALKABLE(element) ? EP_WALKABLE :
8954      IS_PASSABLE(element) ? EP_PASSABLE :
8955      custom_element.access_type);
8956   custom_element.access_layer =
8957     (IS_ACCESSIBLE_OVER(element) ? EP_ACCESSIBLE_OVER :
8958      IS_ACCESSIBLE_INSIDE(element) ? EP_ACCESSIBLE_INSIDE :
8959      IS_ACCESSIBLE_UNDER(element) ? EP_ACCESSIBLE_UNDER :
8960      custom_element.access_layer);
8961   custom_element.access_protected =
8962     (IS_PROTECTED(element) ? 1 : 0);
8963   custom_element_properties[EP_ACCESSIBLE] =
8964     (IS_ACCESSIBLE_OVER(element) ||
8965      IS_ACCESSIBLE_INSIDE(element) ||
8966      IS_ACCESSIBLE_UNDER(element));
8967
8968   // set walk-to-object action selectbox help value
8969   custom_element.walk_to_action =
8970     (IS_DIGGABLE(element) ? EP_DIGGABLE :
8971      IS_COLLECTIBLE_ONLY(element) ? EP_COLLECTIBLE_ONLY :
8972      IS_DROPPABLE(element) ? EP_DROPPABLE :
8973      IS_THROWABLE(element) ? EP_THROWABLE :
8974      IS_PUSHABLE(element) ? EP_PUSHABLE :
8975      custom_element.walk_to_action);
8976   custom_element_properties[EP_WALK_TO_OBJECT] =
8977     (IS_DIGGABLE(element) ||
8978      IS_COLLECTIBLE_ONLY(element) ||
8979      IS_DROPPABLE(element) ||
8980      IS_THROWABLE(element) ||
8981      IS_PUSHABLE(element));
8982
8983   // set smash targets selectbox help value
8984   custom_element.smash_targets =
8985     (CAN_SMASH_EVERYTHING(element) ? EP_CAN_SMASH_EVERYTHING :
8986      CAN_SMASH_ENEMIES(element) ? EP_CAN_SMASH_ENEMIES :
8987      CAN_SMASH_PLAYER(element) ? EP_CAN_SMASH_PLAYER :
8988      custom_element.smash_targets);
8989   custom_element_properties[EP_CAN_SMASH] =
8990     (CAN_SMASH_EVERYTHING(element) ||
8991      CAN_SMASH_ENEMIES(element) ||
8992      CAN_SMASH_PLAYER(element));
8993
8994   // set deadliness selectbox help value
8995   custom_element.deadliness =
8996     (DONT_TOUCH(element) ? EP_DONT_TOUCH :
8997      DONT_GET_HIT_BY(element) ? EP_DONT_GET_HIT_BY :
8998      DONT_COLLIDE_WITH(element) ? EP_DONT_COLLIDE_WITH :
8999      DONT_RUN_INTO(element) ? EP_DONT_RUN_INTO :
9000      custom_element.deadliness);
9001   custom_element_properties[EP_DEADLY] =
9002     (DONT_TOUCH(element) ||
9003      DONT_GET_HIT_BY(element) ||
9004      DONT_COLLIDE_WITH(element) ||
9005      DONT_RUN_INTO(element));
9006
9007   // ---------- element settings: advanced (custom elements) ------------------
9008
9009   // set "change by direct action" selectbox help value
9010   custom_element_change.direct_action =
9011     (HAS_CHANGE_EVENT(element, CE_NEXT_TO_PLAYER) ? CE_NEXT_TO_PLAYER :
9012      HAS_CHANGE_EVENT(element, CE_TOUCHED_BY_PLAYER) ? CE_TOUCHED_BY_PLAYER :
9013      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_PLAYER) ? CE_PRESSED_BY_PLAYER :
9014      HAS_CHANGE_EVENT(element, CE_SWITCHED_BY_PLAYER) ? CE_SWITCHED_BY_PLAYER :
9015      HAS_CHANGE_EVENT(element, CE_SNAPPED_BY_PLAYER) ? CE_SNAPPED_BY_PLAYER :
9016      HAS_CHANGE_EVENT(element, CE_PUSHED_BY_PLAYER) ? CE_PUSHED_BY_PLAYER :
9017      HAS_CHANGE_EVENT(element, CE_ENTERED_BY_PLAYER) ? CE_ENTERED_BY_PLAYER :
9018      HAS_CHANGE_EVENT(element, CE_LEFT_BY_PLAYER) ? CE_LEFT_BY_PLAYER :
9019      HAS_CHANGE_EVENT(element, CE_DROPPED_BY_PLAYER) ? CE_DROPPED_BY_PLAYER :
9020      HAS_CHANGE_EVENT(element, CE_SWITCHED) ? CE_SWITCHED :
9021      HAS_CHANGE_EVENT(element, CE_HITTING_SOMETHING) ? CE_HITTING_SOMETHING :
9022      HAS_CHANGE_EVENT(element, CE_HIT_BY_SOMETHING) ? CE_HIT_BY_SOMETHING :
9023      HAS_CHANGE_EVENT(element, CE_BLOCKED) ? CE_BLOCKED :
9024      HAS_CHANGE_EVENT(element, CE_IMPACT) ? CE_IMPACT :
9025      HAS_CHANGE_EVENT(element, CE_SMASHED) ? CE_SMASHED :
9026      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES) ? CE_VALUE_CHANGES :
9027      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES) ? CE_SCORE_CHANGES :
9028      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO) ? CE_VALUE_GETS_ZERO :
9029      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO) ? CE_SCORE_GETS_ZERO :
9030      HAS_CHANGE_EVENT(element, CE_CLICKED_BY_MOUSE) ? CE_CLICKED_BY_MOUSE :
9031      HAS_CHANGE_EVENT(element, CE_PRESSED_BY_MOUSE) ? CE_PRESSED_BY_MOUSE :
9032      custom_element_change.direct_action);
9033
9034   // set "change by other element action" selectbox help value
9035   custom_element_change.other_action =
9036     (HAS_CHANGE_EVENT(element, CE_PLAYER_NEXT_TO_X) ? CE_PLAYER_NEXT_TO_X :
9037      HAS_CHANGE_EVENT(element, CE_PLAYER_TOUCHES_X) ? CE_PLAYER_TOUCHES_X :
9038      HAS_CHANGE_EVENT(element, CE_PLAYER_PRESSES_X) ? CE_PLAYER_PRESSES_X :
9039      HAS_CHANGE_EVENT(element, CE_PLAYER_SWITCHES_X) ? CE_PLAYER_SWITCHES_X :
9040      HAS_CHANGE_EVENT(element, CE_PLAYER_SNAPS_X) ? CE_PLAYER_SNAPS_X :
9041      HAS_CHANGE_EVENT(element, CE_PLAYER_PUSHES_X) ? CE_PLAYER_PUSHES_X :
9042      HAS_CHANGE_EVENT(element, CE_PLAYER_ENTERS_X) ? CE_PLAYER_ENTERS_X :
9043      HAS_CHANGE_EVENT(element, CE_PLAYER_LEAVES_X) ? CE_PLAYER_LEAVES_X :
9044      HAS_CHANGE_EVENT(element, CE_PLAYER_DIGS_X) ? CE_PLAYER_DIGS_X :
9045      HAS_CHANGE_EVENT(element, CE_PLAYER_COLLECTS_X) ? CE_PLAYER_COLLECTS_X :
9046      HAS_CHANGE_EVENT(element, CE_PLAYER_DROPS_X) ? CE_PLAYER_DROPS_X :
9047      HAS_CHANGE_EVENT(element, CE_NEXT_TO_X) ? CE_NEXT_TO_X :
9048      HAS_CHANGE_EVENT(element, CE_TOUCHING_X) ? CE_TOUCHING_X :
9049      HAS_CHANGE_EVENT(element, CE_HITTING_X) ? CE_HITTING_X :
9050      HAS_CHANGE_EVENT(element, CE_DIGGING_X) ? CE_DIGGING_X :
9051      HAS_CHANGE_EVENT(element, CE_HIT_BY_X) ? CE_HIT_BY_X :
9052      HAS_CHANGE_EVENT(element, CE_SWITCH_OF_X) ? CE_SWITCH_OF_X :
9053      HAS_CHANGE_EVENT(element, CE_CHANGE_OF_X) ? CE_CHANGE_OF_X :
9054      HAS_CHANGE_EVENT(element, CE_EXPLOSION_OF_X) ? CE_EXPLOSION_OF_X :
9055      HAS_CHANGE_EVENT(element, CE_MOVE_OF_X) ? CE_MOVE_OF_X :
9056      HAS_CHANGE_EVENT(element, CE_CREATION_OF_X) ? CE_CREATION_OF_X :
9057      HAS_CHANGE_EVENT(element, CE_VALUE_CHANGES_OF_X) ? CE_VALUE_CHANGES_OF_X :
9058      HAS_CHANGE_EVENT(element, CE_SCORE_CHANGES_OF_X) ? CE_SCORE_CHANGES_OF_X :
9059      HAS_CHANGE_EVENT(element, CE_VALUE_GETS_ZERO_OF_X) ? CE_VALUE_GETS_ZERO_OF_X :
9060      HAS_CHANGE_EVENT(element, CE_SCORE_GETS_ZERO_OF_X) ? CE_SCORE_GETS_ZERO_OF_X :
9061      HAS_CHANGE_EVENT(element, CE_MOUSE_CLICKED_ON_X) ? CE_MOUSE_CLICKED_ON_X :
9062      HAS_CHANGE_EVENT(element, CE_MOUSE_PRESSED_ON_X) ? CE_MOUSE_PRESSED_ON_X :
9063      custom_element_change.other_action);
9064 }
9065
9066 static void CopyGroupElementPropertiesToEditor(int element)
9067 {
9068   group_element_info = *element_info[element].group;
9069   custom_element = element_info[element];       // needed for description
9070 }
9071
9072 static void CopyEmptyElementPropertiesToEditor(int element)
9073 {
9074   custom_element = element_info[element];
9075 }
9076
9077 static void CopyClassicElementPropertiesToEditor(int element)
9078 {
9079   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9080     custom_element_properties[EP_CAN_MOVE_INTO_ACID] =
9081       getMoveIntoAcidProperty(&level, element);
9082
9083   if (MAYBE_DONT_COLLIDE_WITH(element))
9084     custom_element_properties[EP_DONT_COLLIDE_WITH] =
9085       getDontCollideWithProperty(&level, element);
9086 }
9087
9088 static void CopyElementPropertiesToEditor(int element)
9089 {
9090   if (IS_CUSTOM_ELEMENT(element))
9091     CopyCustomElementPropertiesToEditor(element);
9092   else if (IS_GROUP_ELEMENT(element))
9093     CopyGroupElementPropertiesToEditor(element);
9094   else if (IS_EMPTY_ELEMENT(element))
9095     CopyEmptyElementPropertiesToEditor(element);
9096   else
9097     CopyClassicElementPropertiesToEditor(element);
9098 }
9099
9100 static boolean AskToCopyAndModifyLevelTemplate(void)
9101 {
9102   if (Request("Copy and modify settings from level template?", REQ_ASK))
9103   {
9104     level.use_custom_template = FALSE;
9105
9106     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_1],
9107                  GDI_CHECKED, FALSE, GDI_END);
9108     ModifyGadget(level_editor_gadget[GADGET_ID_CUSTOM_USE_TEMPLATE_2],
9109                  GDI_CHECKED, FALSE, GDI_END);
9110
9111     return TRUE;
9112   }
9113   else
9114   {
9115     LoadLevelTemplate(-1);      // this resets all element modifications ...
9116
9117     DrawEditModeWindow();       // ... and copies them to 'custom_element'
9118
9119     return FALSE;
9120   }
9121 }
9122
9123 static void CopyCustomElementPropertiesToGame(int element)
9124 {
9125   int i;
9126   int access_type_and_layer;
9127
9128   // mark that this custom element has been modified
9129   custom_element.modified_settings = TRUE;
9130   level.changed = TRUE;
9131
9132   if (level.use_custom_template)
9133     AskToCopyAndModifyLevelTemplate();
9134
9135   element_info[element] = custom_element;
9136   *element_info[element].change = custom_element_change;
9137
9138   // ---------- element settings: configure (custom elements) -----------------
9139
9140   // set accessible property from checkbox and selectbox
9141   custom_element_properties[EP_WALKABLE_OVER] = FALSE;
9142   custom_element_properties[EP_WALKABLE_INSIDE] = FALSE;
9143   custom_element_properties[EP_WALKABLE_UNDER] = FALSE;
9144   custom_element_properties[EP_PASSABLE_OVER] = FALSE;
9145   custom_element_properties[EP_PASSABLE_INSIDE] = FALSE;
9146   custom_element_properties[EP_PASSABLE_UNDER] = FALSE;
9147   access_type_and_layer = ((custom_element.access_type == EP_WALKABLE ?
9148                             EP_WALKABLE_OVER : EP_PASSABLE_OVER) +
9149                            (custom_element.access_layer - EP_ACCESSIBLE_OVER));
9150   custom_element_properties[access_type_and_layer] =
9151     custom_element_properties[EP_ACCESSIBLE];
9152   custom_element_properties[EP_PROTECTED] =
9153     (custom_element.access_protected != 0 &&
9154      custom_element_properties[EP_ACCESSIBLE]);
9155
9156   // set walk-to-object property from checkbox and selectbox
9157   custom_element_properties[EP_DIGGABLE] = FALSE;
9158   custom_element_properties[EP_COLLECTIBLE_ONLY] = FALSE;
9159   custom_element_properties[EP_DROPPABLE] = FALSE;
9160   custom_element_properties[EP_THROWABLE] = FALSE;
9161   custom_element_properties[EP_PUSHABLE] = FALSE;
9162   custom_element_properties[custom_element.walk_to_action] =
9163     custom_element_properties[EP_WALK_TO_OBJECT];
9164
9165   // set smash property from checkbox and selectbox
9166   custom_element_properties[EP_CAN_SMASH_PLAYER] = FALSE;
9167   custom_element_properties[EP_CAN_SMASH_ENEMIES] = FALSE;
9168   custom_element_properties[EP_CAN_SMASH_EVERYTHING] = FALSE;
9169   custom_element_properties[custom_element.smash_targets] =
9170     custom_element_properties[EP_CAN_SMASH];
9171
9172   // set deadliness property from checkbox and selectbox
9173   custom_element_properties[EP_DONT_RUN_INTO] = FALSE;
9174   custom_element_properties[EP_DONT_COLLIDE_WITH] = FALSE;
9175   custom_element_properties[EP_DONT_GET_HIT_BY] = FALSE;
9176   custom_element_properties[EP_DONT_TOUCH] = FALSE;
9177   custom_element_properties[custom_element.deadliness] =
9178     custom_element_properties[EP_DEADLY];
9179
9180   // ---------- element settings: advanced (custom elements) ------------------
9181
9182   // set player change event from checkbox and selectbox
9183   custom_element_change_events[CE_NEXT_TO_PLAYER] = FALSE;
9184   custom_element_change_events[CE_TOUCHED_BY_PLAYER] = FALSE;
9185   custom_element_change_events[CE_PRESSED_BY_PLAYER] = FALSE;
9186   custom_element_change_events[CE_SWITCHED_BY_PLAYER] = FALSE;
9187   custom_element_change_events[CE_SNAPPED_BY_PLAYER] = FALSE;
9188   custom_element_change_events[CE_PUSHED_BY_PLAYER] = FALSE;
9189   custom_element_change_events[CE_ENTERED_BY_PLAYER] = FALSE;
9190   custom_element_change_events[CE_LEFT_BY_PLAYER] = FALSE;
9191   custom_element_change_events[CE_DROPPED_BY_PLAYER] = FALSE;
9192   custom_element_change_events[CE_SWITCHED] = FALSE;
9193   custom_element_change_events[CE_HITTING_SOMETHING] = FALSE;
9194   custom_element_change_events[CE_HIT_BY_SOMETHING] = FALSE;
9195   custom_element_change_events[CE_BLOCKED] = FALSE;
9196   custom_element_change_events[CE_IMPACT] = FALSE;
9197   custom_element_change_events[CE_SMASHED] = FALSE;
9198   custom_element_change_events[CE_VALUE_CHANGES] = FALSE;
9199   custom_element_change_events[CE_SCORE_CHANGES] = FALSE;
9200   custom_element_change_events[CE_VALUE_GETS_ZERO] = FALSE;
9201   custom_element_change_events[CE_SCORE_GETS_ZERO] = FALSE;
9202   custom_element_change_events[CE_CLICKED_BY_MOUSE] = FALSE;
9203   custom_element_change_events[CE_PRESSED_BY_MOUSE] = FALSE;
9204   custom_element_change_events[custom_element_change.direct_action] =
9205     custom_element_change_events[CE_BY_DIRECT_ACTION];
9206
9207   // set other element action change event from checkbox and selectbox
9208   custom_element_change_events[CE_PLAYER_NEXT_TO_X] = FALSE;
9209   custom_element_change_events[CE_PLAYER_TOUCHES_X] = FALSE;
9210   custom_element_change_events[CE_PLAYER_PRESSES_X] = FALSE;
9211   custom_element_change_events[CE_PLAYER_SWITCHES_X] = FALSE;
9212   custom_element_change_events[CE_PLAYER_SNAPS_X] = FALSE;
9213   custom_element_change_events[CE_PLAYER_PUSHES_X] = FALSE;
9214   custom_element_change_events[CE_PLAYER_ENTERS_X] = FALSE;
9215   custom_element_change_events[CE_PLAYER_LEAVES_X] = FALSE;
9216   custom_element_change_events[CE_PLAYER_DIGS_X] = FALSE;
9217   custom_element_change_events[CE_PLAYER_COLLECTS_X] = FALSE;
9218   custom_element_change_events[CE_PLAYER_DROPS_X] = FALSE;
9219   custom_element_change_events[CE_NEXT_TO_X] = FALSE;
9220   custom_element_change_events[CE_TOUCHING_X] = FALSE;
9221   custom_element_change_events[CE_HITTING_X] = FALSE;
9222   custom_element_change_events[CE_DIGGING_X] = FALSE;
9223   custom_element_change_events[CE_HIT_BY_X] = FALSE;
9224   custom_element_change_events[CE_SWITCH_OF_X] = FALSE;
9225   custom_element_change_events[CE_CHANGE_OF_X] = FALSE;
9226   custom_element_change_events[CE_EXPLOSION_OF_X] = FALSE;
9227   custom_element_change_events[CE_MOVE_OF_X] = FALSE;
9228   custom_element_change_events[CE_CREATION_OF_X] = FALSE;
9229   custom_element_change_events[CE_VALUE_CHANGES_OF_X] = FALSE;
9230   custom_element_change_events[CE_SCORE_CHANGES_OF_X] = FALSE;
9231   custom_element_change_events[CE_VALUE_GETS_ZERO_OF_X] = FALSE;
9232   custom_element_change_events[CE_SCORE_GETS_ZERO_OF_X] = FALSE;
9233   custom_element_change_events[CE_MOUSE_CLICKED_ON_X] = FALSE;
9234   custom_element_change_events[CE_MOUSE_PRESSED_ON_X] = FALSE;
9235   custom_element_change_events[custom_element_change.other_action] =
9236     custom_element_change_events[CE_BY_OTHER_ACTION];
9237
9238   for (i = 0; i < NUM_ELEMENT_PROPERTIES; i++)
9239     SET_PROPERTY(element, i, custom_element_properties[i]);
9240
9241   for (i = 0; i < NUM_CHANGE_EVENTS; i++)
9242     SET_CHANGE_EVENT(element, i, custom_element_change_events[i]);
9243
9244   // copy change events also to special level editor variable
9245   custom_element = element_info[element];
9246   custom_element_change = *element_info[element].change;
9247
9248   // needed here to restore runtime value "element_info[element].gfx_element"
9249   InitElementPropertiesGfxElement();
9250 }
9251
9252 static void CopyGroupElementPropertiesToGame(int element)
9253 {
9254   // mark that this group element has been modified
9255   custom_element.modified_settings = TRUE;
9256   level.changed = TRUE;
9257
9258   if (level.use_custom_template)
9259     AskToCopyAndModifyLevelTemplate();
9260
9261   element_info[element] = custom_element;
9262   *element_info[element].group = group_element_info;
9263
9264   // needed here to restore runtime value "element_info[element].gfx_element"
9265   InitElementPropertiesGfxElement();
9266 }
9267
9268 static void CopyEmptyElementPropertiesToGame(int element)
9269 {
9270   // mark that this empty element has been modified
9271   custom_element.modified_settings = TRUE;
9272   level.changed = TRUE;
9273
9274   if (level.use_custom_template)
9275     AskToCopyAndModifyLevelTemplate();
9276
9277   element_info[element] = custom_element;
9278
9279   // needed here to restore runtime value "element_info[element].gfx_element"
9280   InitElementPropertiesGfxElement();
9281 }
9282
9283 static void CopyClassicElementPropertiesToGame(int element)
9284 {
9285   if (IS_PLAYER_ELEMENT(element) || COULD_MOVE_INTO_ACID(element))
9286     setMoveIntoAcidProperty(&level, element,
9287                             custom_element_properties[EP_CAN_MOVE_INTO_ACID]);
9288
9289   if (MAYBE_DONT_COLLIDE_WITH(element))
9290     setDontCollideWithProperty(&level, element,
9291                               custom_element_properties[EP_DONT_COLLIDE_WITH]);
9292 }
9293
9294 static void CopyElementPropertiesToGame(int element)
9295 {
9296   if (IS_CUSTOM_ELEMENT(element))
9297     CopyCustomElementPropertiesToGame(element);
9298   else if (IS_GROUP_ELEMENT(element))
9299     CopyGroupElementPropertiesToGame(element);
9300   else if (IS_EMPTY_ELEMENT(element))
9301     CopyEmptyElementPropertiesToGame(element);
9302   else
9303     CopyClassicElementPropertiesToGame(element);
9304 }
9305
9306 #if DEBUG
9307 static void CheckElementDescriptions(void)
9308 {
9309   int i;
9310
9311   for (i = 0; i < NUM_FILE_ELEMENTS; i++)
9312     if (getElementDescriptionFilename(i) == NULL && !IS_OBSOLETE(i))
9313       Warn("no element description file for element '%s'", EL_NAME(i));
9314 }
9315 #endif
9316
9317 static int getMaxEdFieldX(boolean has_scrollbar)
9318 {
9319   int scrollbar_width = (has_scrollbar ? ED_SCROLLBUTTON_XSIZE : 0);
9320   int sxsize = SXSIZE - scrollbar_width;
9321   int max_ed_fieldx = sxsize / ed_tilesize;
9322
9323   return max_ed_fieldx;
9324 }
9325
9326 static int getMaxEdFieldY(boolean has_scrollbar)
9327 {
9328   int infotext_height = (IN_PIX_FIELD(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY) ?
9329                          INFOTEXT_YSIZE_FULL : 0);
9330   int scrollbar_height = (has_scrollbar ? ED_SCROLLBUTTON_YSIZE : 0);
9331   int sysize = SYSIZE - scrollbar_height - infotext_height;
9332   int max_ed_fieldy = sysize / ed_tilesize;
9333
9334   return max_ed_fieldy;
9335 }
9336
9337 static void InitZoomLevelSettings(int zoom_tilesize)
9338 {
9339   static int last_game_engine_type = GAME_ENGINE_TYPE_UNKNOWN;
9340
9341   if (zoom_tilesize == -1 && level.game_engine_type != last_game_engine_type)
9342   {
9343     ed_tilesize = setup.auto_setup.editor_zoom_tilesize;
9344     ed_tilesize_default = DEFAULT_EDITOR_TILESIZE;
9345
9346     // make sure that tile size is always a power of 2
9347     ed_tilesize = (1 << log_2(ed_tilesize));
9348
9349     if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9350     {
9351       ed_tilesize = DEFAULT_EDITOR_TILESIZE_MM;
9352       ed_tilesize_default = DEFAULT_EDITOR_TILESIZE_MM;
9353     }
9354   }
9355
9356   last_game_engine_type = level.game_engine_type;
9357
9358   // limit zoom tilesize by upper and lower bound
9359   ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
9360
9361   // store zoom tilesize in auto setup file only if it was manually changed
9362   if (zoom_tilesize != -1)
9363     setup.auto_setup.editor_zoom_tilesize = ed_tilesize;
9364
9365   MAX_ED_FIELDX = getMaxEdFieldX(FALSE);
9366   MAX_ED_FIELDY = getMaxEdFieldY(FALSE);
9367 }
9368
9369 static void InitDrawingElements(void)
9370 {
9371   static int game_engine_type_last = GAME_ENGINE_TYPE_UNKNOWN;
9372
9373   if (level.game_engine_type == game_engine_type_last)
9374     return;
9375
9376   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9377   {
9378     new_element1 = EL_BD_WALL;
9379     new_element2 = EL_EMPTY;
9380     new_element3 = EL_BD_SAND;
9381   }
9382   else if (level.game_engine_type == GAME_ENGINE_TYPE_SP)
9383   {
9384     new_element1 = EL_SP_CHIP_SINGLE;
9385     new_element2 = EL_EMPTY;
9386     new_element3 = EL_SP_BASE;
9387   }
9388   else if (level.game_engine_type == GAME_ENGINE_TYPE_MM)
9389   {
9390     new_element1 = EL_MM_MIRROR_START;
9391     new_element2 = EL_EMPTY;
9392     new_element3 = EL_MM_WOODEN_WALL;
9393   }
9394   else
9395   {
9396     new_element1 = EL_WALL;
9397     new_element2 = EL_EMPTY;
9398     new_element3 = EL_SAND;
9399   }
9400
9401   game_engine_type_last = level.game_engine_type;
9402 }
9403
9404 static void InitLevelSetInfo(void)
9405 {
9406   snprintf(levelset_name,   MAX_LEVEL_NAME_LEN + 1,
9407            "%s", leveldir_current->name);
9408   snprintf(levelset_author, MAX_LEVEL_AUTHOR_LEN + 1,
9409            "%s", leveldir_current->author);
9410
9411   levelset_num_levels = leveldir_current->levels;
9412
9413   levelset_use_levelset_artwork = FALSE;
9414   levelset_copy_level_template = FALSE;
9415
9416   levelset_save_mode = LEVELSET_SAVE_MODE_UPDATE;
9417 }
9418
9419 static void ChangeEditorToLevelSet(char *levelset_subdir)
9420 {
9421   leveldir_current = getTreeInfoFromIdentifier(leveldir_first, levelset_subdir);
9422
9423   // the previous level set might have used custom artwork
9424   ReloadCustomArtwork(0);
9425
9426   LoadLevelSetup_SeriesInfo();
9427
9428   SaveLevelSetup_LastSeries();
9429   SaveLevelSetup_SeriesInfo();
9430
9431   TapeErase();
9432
9433   LoadLevel(level_nr);
9434   LoadScore(level_nr);
9435
9436   DrawLevelEd();
9437 }
9438
9439 static boolean useEditorDoorAnimation(void)
9440 {
9441   struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
9442   boolean door_1_viewport_unchanged =
9443     (vp_door_1->x      == DX     &&
9444      vp_door_1->y      == DY     &&
9445      vp_door_1->width  == DXSIZE &&
9446      vp_door_1->height == DYSIZE);
9447   boolean door_1_contains_toolbox =
9448     (EX >= DX &&
9449      EY >= DY &&
9450      EX + EXSIZE <= DX + DXSIZE &&
9451      EY + EYSIZE <= DY + DYSIZE);
9452
9453   return (door_1_viewport_unchanged && door_1_contains_toolbox);
9454 }
9455
9456 static void DrawEditorDoorBackground(int graphic, int x, int y,
9457                                      int width, int height)
9458 {
9459   struct GraphicInfo *g = &graphic_info[graphic];
9460
9461   if (g->bitmap != NULL)
9462     BlitBitmap(g->bitmap, drawto, g->src_x, g->src_y,
9463                MIN(width, g->width), MIN(height, g->height), x, y);
9464   else
9465     ClearRectangle(drawto, x, y, width, height);
9466 }
9467
9468 static void DrawEditorDoorContent(void)
9469 {
9470   // needed for gadgets drawn on background (like palette scrollbar)
9471   SetDoorBackgroundImage(IMG_UNDEFINED);
9472
9473   // copy default editor door content to main double buffer
9474   DrawEditorDoorBackground(IMG_BACKGROUND_PALETTE, DX, DY, DXSIZE, DYSIZE);
9475
9476   // draw bigger door
9477   DrawSpecialEditorDoor();
9478
9479   // draw new control window
9480   DrawEditorDoorBackground(IMG_BACKGROUND_TOOLBOX, EX, EY, EXSIZE, EYSIZE);
9481
9482   // draw all toolbox gadgets to editor doors
9483   MapControlButtons();
9484
9485   // when returning from test game to properties page, redraw toolbox gadgets
9486   if (edit_mode == ED_MODE_PROPERTIES)
9487   {
9488     UnmapLevelEditorToolboxDrawingGadgets();
9489     UnmapLevelEditorToolboxCustomGadgets();
9490
9491     MapLevelEditorToolboxCustomGadgetsIfNeeded();
9492   }
9493
9494   // draw all palette gadgets to editor doors
9495   ModifyEditorElementList();
9496   RedrawDrawingElements();
9497
9498   // copy actual editor door content to door double buffer for OpenDoor()
9499   BlitBitmap(drawto, bitmap_db_door_1, DX, DY, DXSIZE, DYSIZE, 0, 0);
9500 }
9501
9502 void DrawLevelEd(void)
9503 {
9504   int fade_mask = REDRAW_FIELD;
9505
9506   FadeSoundsAndMusic();
9507
9508   if (CheckFadeAll())
9509     fade_mask = REDRAW_ALL;
9510
9511   FadeOut(fade_mask);
9512
9513   // needed if different viewport properties defined for editor
9514   ChangeViewportPropertiesIfNeeded();
9515
9516   ClearField();
9517
9518   InitZoomLevelSettings(-1);
9519   InitDrawingElements();
9520   InitLevelSetInfo();
9521
9522 #if DEBUG
9523   CheckElementDescriptions();
9524 #endif
9525
9526   if (level_editor_test_game)
9527   {
9528     CopyPlayfield(level.field, Tile);
9529     CopyPlayfield(TileBackup, level.field);
9530
9531     level_editor_test_game = FALSE;
9532   }
9533   else
9534   {
9535     edit_mode = ED_MODE_DRAWING;
9536     edit_mode_levelconfig = ED_MODE_LEVELCONFIG_LEVEL;
9537     edit_mode_properties = ED_MODE_PROPERTIES_INFO;
9538
9539     ResetUndoBuffer();
9540
9541     level_xpos = -1;
9542     level_ypos = -1;
9543   }
9544
9545   // redraw_mask |= REDRAW_ALL;
9546
9547   FreeLevelEditorGadgets();
9548   CreateLevelEditorGadgets();
9549
9550   ReinitializeElementList();            // update dynamic level element list
9551   ReinitializeElementListButtons();     // custom element may look different
9552
9553   InitElementPropertiesGfxElement();
9554
9555   UnmapAllGadgets();
9556
9557   DrawEditModeWindow_PlayfieldOnly();
9558
9559   DrawMaskedBorder(fade_mask);
9560
9561   // use door animation if door 1 viewport is unchanged and contains toolbox
9562   if (useEditorDoorAnimation())
9563   {
9564     FadeIn(fade_mask);
9565
9566     DrawEditorDoorContent();
9567
9568     OpenDoor(DOOR_OPEN_1 | DOOR_FORCE_ANIM);
9569   }
9570   else
9571   {
9572     DrawEditorDoorContent();
9573
9574     FadeIn(fade_mask);
9575   }
9576
9577   SetDoorState(DOOR_OPEN_1 | DOOR_OPEN_2);
9578 }
9579
9580 static void AdjustDrawingAreaGadgets(void)
9581 {
9582   int ed_xsize = lev_fieldx + 2;
9583   int ed_ysize = lev_fieldy + 2;
9584   int max_ed_fieldx = MAX_ED_FIELDX;
9585   int max_ed_fieldy = MAX_ED_FIELDY;
9586   boolean horizontal_scrollbar_needed;
9587   boolean vertical_scrollbar_needed;
9588   int x, y, width, height;
9589
9590   if (suppressBorderElement())
9591   {
9592     ed_xsize = lev_fieldx;
9593     ed_ysize = lev_fieldy;
9594   }
9595
9596   // check if we need any scrollbars
9597   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9598   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9599
9600   // check if we have a smaller editor field because of scrollbars
9601   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9602   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9603
9604   // check again if we now need more scrollbars because of less space
9605   horizontal_scrollbar_needed = (ed_xsize > max_ed_fieldx);
9606   vertical_scrollbar_needed   = (ed_ysize > max_ed_fieldy);
9607
9608   // check if editor field gets even smaller after adding new scrollbars
9609   max_ed_fieldx = getMaxEdFieldX(vertical_scrollbar_needed);
9610   max_ed_fieldy = getMaxEdFieldY(horizontal_scrollbar_needed);
9611
9612   ed_fieldx = (ed_xsize > max_ed_fieldx ? max_ed_fieldx : ed_xsize);
9613   ed_fieldy = (ed_ysize > max_ed_fieldy ? max_ed_fieldy : ed_ysize);
9614
9615   x = SX + ed_fieldx * ed_tilesize;
9616   y = SY + ed_fieldy * ed_tilesize;
9617
9618   width  = ed_fieldx * ed_tilesize - 2 * ED_SCROLLBUTTON_XSIZE;
9619   height = ed_fieldy * ed_tilesize - 2 * ED_SCROLLBUTTON_YSIZE;
9620
9621   // adjust drawing area gadget
9622   ModifyGadget(level_editor_gadget[GADGET_ID_DRAWING_LEVEL],
9623                GDI_AREA_SIZE, ed_fieldx, ed_fieldy,
9624                GDI_ITEM_SIZE, ed_tilesize, ed_tilesize,
9625                GDI_END);
9626
9627   // adjust horizontal scrollbar gadgets
9628   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LEFT],
9629                GDI_Y, y,
9630                GDI_END);
9631   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_RIGHT],
9632                GDI_X, x - ED_SCROLLBUTTON_XSIZE,
9633                GDI_Y, y,
9634                GDI_END);
9635   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
9636                GDI_Y, y,
9637                GDI_WIDTH, width,
9638                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldx,
9639                GDI_END);
9640
9641   // adjust vertical scrollbar gadgets
9642   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_UP],
9643                GDI_X, x,
9644                GDI_END);
9645   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_DOWN],
9646                GDI_X, x,
9647                GDI_Y, y - ED_SCROLLBUTTON_YSIZE,
9648                GDI_END);
9649   ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
9650                GDI_X, x,
9651                GDI_HEIGHT, height,
9652                GDI_SCROLLBAR_ITEMS_VISIBLE, ed_fieldy,
9653                GDI_END);
9654 }
9655
9656 static void AdjustLevelScrollPosition(void)
9657 {
9658   if (level_xpos < -1)
9659     level_xpos = -1;
9660   if (level_xpos > lev_fieldx - ed_fieldx + 1)
9661     level_xpos = lev_fieldx - ed_fieldx + 1;
9662   if (lev_fieldx < ed_fieldx - 2)
9663     level_xpos = -1;
9664
9665   if (level_ypos < -1)
9666     level_ypos = -1;
9667   if (level_ypos > lev_fieldy - ed_fieldy + 1)
9668     level_ypos = lev_fieldy - ed_fieldy + 1;
9669   if (lev_fieldy < ed_fieldy - 2)
9670     level_ypos = -1;
9671
9672   if (suppressBorderElement())
9673   {
9674     level_xpos = 0;
9675     level_ypos = 0;
9676   }
9677 }
9678
9679 static void AdjustEditorScrollbar(int id)
9680 {
9681   struct GadgetInfo *gi = level_editor_gadget[id];
9682   int items_max, items_visible, item_position;
9683
9684   if (id == GADGET_ID_SCROLL_HORIZONTAL)
9685   {
9686     items_max = MAX(lev_fieldx + 2, ed_fieldx);
9687     items_visible = ed_fieldx;
9688     item_position = level_xpos + 1;
9689   }
9690   else
9691   {
9692     items_max = MAX(lev_fieldy + 2, ed_fieldy);
9693     items_visible = ed_fieldy;
9694     item_position = level_ypos + 1;
9695   }
9696
9697   if (item_position > items_max - items_visible)
9698     item_position = items_max - items_visible;
9699
9700   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9701                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9702 }
9703
9704 static void AdjustElementListScrollbar(void)
9705 {
9706   struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL];
9707   int items_max, items_visible, item_position;
9708
9709   // correct position of element list scrollbar
9710   if (element_shift < 0)
9711     element_shift = 0;
9712   if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
9713     element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
9714
9715   items_max = num_editor_elements / ED_ELEMENTLIST_BUTTONS_HORIZ;
9716   items_visible = ED_ELEMENTLIST_BUTTONS_VERT;
9717   item_position = element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ;
9718
9719   ModifyGadget(gi, GDI_SCROLLBAR_ITEMS_MAX, items_max,
9720                GDI_SCROLLBAR_ITEMS_VISIBLE, items_visible,
9721                GDI_SCROLLBAR_ITEM_POSITION, item_position, GDI_END);
9722 }
9723
9724 static void ModifyEditorCounterValue(int counter_id, int new_value)
9725 {
9726   int *counter_value = counterbutton_info[counter_id].value;
9727   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9728   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9729
9730   ModifyGadget(gi, GDI_NUMBER_VALUE, new_value, GDI_END);
9731
9732   if (counter_value != NULL)
9733     *counter_value = gi->textinput.number_value;
9734 }
9735
9736 static void ModifyEditorCounterLimits(int counter_id, int min, int max)
9737 {
9738   int gadget_id = counterbutton_info[counter_id].gadget_id_text;
9739   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9740
9741   ModifyGadget(gi, GDI_NUMBER_MIN, min, GDI_NUMBER_MAX, max, GDI_END);
9742
9743   if (counter_id >= ED_COUNTER_ID_ELEMENT_VALUE1 &&
9744       counter_id <= ED_COUNTER_ID_ELEMENT_VALUE4)
9745   {
9746     int gadget_id_up = counterbutton_info[counter_id].gadget_id_up;
9747     struct GadgetInfo *gi_up = level_editor_gadget[gadget_id_up];
9748
9749     ModifyGadget(gi, GDI_TEXT_SIZE, (max < 10 ? 1 : 3), GDI_END);
9750     ModifyGadget(gi_up, GDI_X, gi->x + gi->width + ED_GADGET_SMALL_DISTANCE,
9751                  GDI_END);
9752   }
9753 }
9754
9755 static void ModifyEditorSelectboxValue(int selectbox_id, int new_value)
9756 {
9757   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9758   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9759   int new_index_value = setSelectboxValue(selectbox_id, new_value);
9760
9761   ModifyGadget(gi, GDI_SELECTBOX_INDEX, new_index_value, GDI_END);
9762 }
9763
9764 static void ModifyEditorSelectboxOptions(int selectbox_id,
9765                                          struct ValueTextInfo *options)
9766 {
9767   int gadget_id = selectbox_info[selectbox_id].gadget_id;
9768   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9769
9770   selectbox_info[selectbox_id].options = options;
9771
9772   // set index to zero -- list may be shorter now (correct later, if needed)
9773   ModifyGadget(gi, GDI_SELECTBOX_INDEX, 0,
9774                GDI_SELECTBOX_OPTIONS, options, GDI_END);
9775 }
9776
9777 static void ModifyEditorDrawingArea(int drawingarea_id, int xsize, int ysize)
9778 {
9779   int gadget_id = drawingarea_info[drawingarea_id].gadget_id;
9780   struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9781
9782   drawingarea_info[drawingarea_id].area_xsize = xsize;
9783   drawingarea_info[drawingarea_id].area_ysize = ysize;
9784
9785   ModifyGadget(gi, GDI_AREA_SIZE, xsize, ysize, GDI_END);
9786 }
9787
9788 static void ModifyEditorElementList(void)
9789 {
9790   int i;
9791
9792   if (!use_permanent_palette && edit_mode != ED_MODE_PALETTE)
9793     return;
9794
9795   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
9796   {
9797     int gadget_id = GADGET_ID_ELEMENTLIST_FIRST + i;
9798     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9799     struct GadgetDesign *gd = &gi->deco.design;
9800     int element = editor_elements[element_shift + i];
9801     int tile_size = BUTTON_TILE_SIZE(editor.palette.tile_size);
9802
9803     UnmapGadget(gi);
9804
9805     getEditorGraphicSource(element, tile_size, &gd->bitmap, &gd->x, &gd->y);
9806
9807     ModifyGadget(gi, GDI_INFO_TEXT, getElementInfoText(element), GDI_END);
9808
9809     MapGadget(gi);
9810   }
9811 }
9812
9813 static void DrawDrawingElementGraphic(int element, struct XYTileSize *pos)
9814 {
9815   int graphic = el2edimg(element);
9816   int tile_size = BUTTON_TILE_SIZE(pos->tile_size);
9817
9818   if (pos->x == -1 &&
9819       pos->y == -1)
9820     return;
9821
9822   DrawSizedGraphicExt(drawto, DX + pos->x, DY + pos->y, graphic, 0, tile_size);
9823 }
9824
9825 static void ModifyDrawingElementButton(int element, int id)
9826 {
9827   struct GadgetInfo *gi = level_editor_gadget[id];
9828   Bitmap *deco_bitmap;
9829   int deco_x, deco_y;
9830   int tile_size = gi->deco.width;
9831
9832   getEditorGraphicSource(element, tile_size, &deco_bitmap, &deco_x, &deco_y);
9833
9834   ModifyGadget(gi, GDI_DECORATION_DESIGN, deco_bitmap, deco_x, deco_y, GDI_END);
9835 }
9836
9837 static void PickDrawingElement(int button, int element)
9838 {
9839   struct
9840   {
9841     int *new_element;
9842     struct XYTileSize *pos;
9843     int id;
9844   } de, drawing_elements[] =
9845   {
9846     { &new_element1, &editor.palette.element_left,   GADGET_ID_ELEMENT_LEFT   },
9847     { &new_element2, &editor.palette.element_middle, GADGET_ID_ELEMENT_MIDDLE },
9848     { &new_element3, &editor.palette.element_right,  GADGET_ID_ELEMENT_RIGHT  },
9849   };
9850
9851   if (button < 1 || button > 3)
9852     return;
9853
9854   if (IS_MM_WALL(element))
9855     element = map_mm_wall_element(element);
9856
9857   de = drawing_elements[button - 1];
9858
9859   *de.new_element = element;    // update global drawing element variable
9860
9861   DrawDrawingElementGraphic(element, de.pos);
9862   ModifyDrawingElementButton(element, de.id);
9863
9864   redraw_mask |= REDRAW_DOOR_1;
9865 }
9866
9867 static void RedrawDrawingElements(void)
9868 {
9869   PickDrawingElement(1, new_element1);
9870   PickDrawingElement(2, new_element2);
9871   PickDrawingElement(3, new_element3);
9872 }
9873
9874 static void DrawDrawingWindowExt(boolean remap_toolbox_gadgets)
9875 {
9876   stick_element_properties_window = FALSE;
9877
9878   SetMainBackgroundImage(IMG_UNDEFINED);
9879   ClearField();
9880
9881   UnmapLevelEditorFieldGadgets();
9882
9883   AdjustDrawingAreaGadgets();
9884   AdjustLevelScrollPosition();
9885   AdjustEditorScrollbar(GADGET_ID_SCROLL_HORIZONTAL);
9886   AdjustEditorScrollbar(GADGET_ID_SCROLL_VERTICAL);
9887
9888   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
9889
9890   MapMainDrawingArea();
9891
9892   if (remap_toolbox_gadgets)
9893   {
9894     UnmapLevelEditorToolboxCustomGadgets();
9895     MapLevelEditorToolboxDrawingGadgets();
9896   }
9897 }
9898
9899 static void DrawDrawingWindow(void)
9900 {
9901   DrawDrawingWindowExt(TRUE);
9902 }
9903
9904 static int getTabulatorBarWidth(void)
9905 {
9906   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9907   struct GadgetInfo *gd_gi4 = level_editor_gadget[GADGET_ID_PROPERTIES_CHANGE];
9908
9909   return gd_gi4->x - gd_gi1->x + gd_gi4->width;
9910 }
9911
9912 static int getTabulatorBarHeight(void)
9913 {
9914   return ED_TAB_BAR_HEIGHT;
9915 }
9916
9917 static Pixel getTabulatorBarColor(void)
9918 {
9919   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9920   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9921   int gd_x = gd->x + gd_gi1->border.width / 2;
9922   int gd_y = gd->y + gd_gi1->height - 1;
9923
9924   return GetPixel(gd->bitmap, gd_x, gd_y);
9925 }
9926
9927 static void DrawLevelConfigTabulatorGadgets(void)
9928 {
9929   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_LEVELCONFIG_LEVEL];
9930   Pixel tab_color = getTabulatorBarColor();
9931   int id_first = ED_TEXTBUTTON_ID_LEVELCONFIG_LEVEL;
9932   int id_last  = ED_TEXTBUTTON_ID_LEVELCONFIG_EDITOR;
9933   int i;
9934
9935   // draw additional "engine" tabulator when using native BD engine
9936   if (level.game_engine_type == GAME_ENGINE_TYPE_BD)
9937     id_last = ED_TEXTBUTTON_ID_LEVELCONFIG_ENGINE;
9938
9939   for (i = id_first; i <= id_last; i++)
9940   {
9941     int gadget_id = textbutton_info[i].gadget_id;
9942     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9943     boolean active = (i != edit_mode_levelconfig);
9944
9945     // draw background line below tabulator button
9946     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9947
9948     // draw solid line below inactive tabulator buttons
9949     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
9950       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
9951                     ED_GADGET_TINY_DISTANCE, tab_color);
9952
9953     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
9954     MapTextbuttonGadget(i);
9955   }
9956
9957   // draw little border line below tabulator buttons
9958   if (tab_color != BLACK_PIXEL)                 // black => transparent
9959     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
9960                   ED_GADGET_TINY_DISTANCE,
9961                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
9962 }
9963
9964 static void DrawPropertiesTabulatorGadgets(void)
9965 {
9966   struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
9967   struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
9968   int gd_x = gd->x + gd_gi1->border.width / 2;
9969   int gd_y = gd->y + gd_gi1->height - 1;
9970   Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
9971   int id_first = ED_TEXTBUTTON_ID_PROPERTIES_INFO;
9972   int id_last  = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG;
9973   int i;
9974
9975   // draw two config tabulators for player elements
9976   if (IS_PLAYER_ELEMENT(properties_element))
9977     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CONFIG_2;
9978
9979   // draw two config and one "change" tabulator for custom elements
9980   if (IS_CUSTOM_ELEMENT(properties_element))
9981     id_last = ED_TEXTBUTTON_ID_PROPERTIES_CHANGE;
9982
9983   for (i = id_first; i <= id_last; i++)
9984   {
9985     int gadget_id = textbutton_info[i].gadget_id;
9986     struct GadgetInfo *gi = level_editor_gadget[gadget_id];
9987     boolean active = (i != edit_mode_properties);
9988
9989     // use "config 1" and "config 2" instead of "config" for players and CEs
9990     if (i == ED_TEXTBUTTON_ID_PROPERTIES_CONFIG &&
9991         (IS_PLAYER_ELEMENT(properties_element) ||
9992          IS_CUSTOM_ELEMENT(properties_element)))
9993       continue;
9994
9995     // draw background line below tabulator button
9996     ClearRectangleOnBackground(drawto, gi->x, gi->y + gi->height, gi->width, 1);
9997
9998     // draw solid line below inactive tabulator buttons
9999     if (!active && tab_color != BLACK_PIXEL)    // black => transparent
10000       FillRectangle(drawto, gi->x, gi->y + gi->height, gi->width,
10001                     ED_GADGET_TINY_DISTANCE, tab_color);
10002
10003     ModifyGadget(gi, GDI_ACTIVE, active, GDI_END);
10004     MapTextbuttonGadget(i);
10005   }
10006
10007   // draw little border line below tabulator buttons
10008   if (tab_color != BLACK_PIXEL)                 // black => transparent
10009     FillRectangle(drawto, gd_gi1->x, gd_gi1->y + gd_gi1->height +
10010                   ED_GADGET_TINY_DISTANCE,
10011                   getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
10012 }
10013
10014 static void PrintInfoText(char *text, int font_nr, int xpos, int ypos)
10015 {
10016   DrawText(SX + xpos, SY + ypos, text, font_nr);
10017 }
10018
10019 static int PrintElementDescriptionFromFile(char *filename, int font_nr,
10020                                            int xpos, int ypos)
10021 {
10022   int font_width = getFontWidth(font_nr);
10023   int font_height = getFontHeight(font_nr);
10024   int max_chars_per_line = (SXSIZE - 2 * xpos) / font_width;
10025   int max_lines_drawable = (SYSIZE - ypos) / font_height - 1;
10026
10027   return DrawTextFile(SX + xpos, SY + ypos, filename, font_nr,
10028                       max_chars_per_line, -1, max_lines_drawable, 0, -1,
10029                       TRUE, FALSE, FALSE);
10030 }
10031
10032 static void DrawLevelConfigLevel(void)
10033 {
10034   int i;
10035
10036   // draw counter gadgets
10037   for (i = ED_COUNTER_ID_LEVEL_FIRST; i <= ED_COUNTER_ID_LEVEL_LAST; i++)
10038     MapCounterButtons(i);
10039
10040   // draw checkbutton gadgets
10041   for (i = ED_CHECKBUTTON_ID_LEVEL_FIRST; i<= ED_CHECKBUTTON_ID_LEVEL_LAST; i++)
10042     MapCheckbuttonGadget(i);
10043
10044   // draw selectbox gadgets
10045   for (i = ED_SELECTBOX_ID_LEVEL_FIRST; i <= ED_SELECTBOX_ID_LEVEL_LAST; i++)
10046     MapSelectboxGadget(i);
10047
10048   // draw text input gadgets
10049   for (i = ED_TEXTINPUT_ID_LEVEL_FIRST; i <= ED_TEXTINPUT_ID_LEVEL_LAST; i++)
10050     MapTextInputGadget(i);
10051 }
10052
10053 static char *getLevelSubdirFromSaveMode(int save_mode)
10054 {
10055   if (save_mode == LEVELSET_SAVE_MODE_CREATE)
10056     return getNewUserLevelSubdir();
10057
10058   return leveldir_current->subdir;
10059 }
10060
10061 static void DrawLevelConfigLevelSet_DirectoryInfo(void)
10062 {
10063   char *directory_text = "Level set directory:";
10064   char *directory_name = getLevelSubdirFromSaveMode(levelset_save_mode);
10065   int font1_nr = FONT_TEXT_1;
10066   int font2_nr = FONT_TEXT_2;
10067   int font1_height = getFontHeight(font1_nr);
10068   int yoffset_above = font1_height + ED_GADGET_LINE_DISTANCE;
10069   int x = ED_LEVEL_SETTINGS_X(0);
10070   int y = ED_LEVEL_SETTINGS_Y(6);
10071
10072   PrintInfoText(directory_text, font1_nr, x, y - yoffset_above);
10073   PrintInfoText(directory_name, font2_nr, x, y);
10074 }
10075
10076 static void DrawLevelConfigLevelSet(void)
10077 {
10078   boolean artwork_exists = checkIfCustomArtworkExistsForCurrentLevelSet();
10079   boolean template_exists = fileExists(getLocalLevelTemplateFilename());
10080   int i;
10081
10082   // draw counter gadgets
10083   for (i = ED_COUNTER_ID_LEVELSET_FIRST; i <= ED_COUNTER_ID_LEVELSET_LAST; i++)
10084     MapCounterButtons(i);
10085
10086   // draw checkbutton gadgets
10087   for (i = ED_CHECKBUTTON_ID_LEVELSET_FIRST; i <= ED_CHECKBUTTON_ID_LEVELSET_LAST; i++)
10088   {
10089     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE ||
10090         (i == ED_CHECKBUTTON_ID_USE_LEVELSET_ARTWORK && !artwork_exists) ||
10091         (i == ED_CHECKBUTTON_ID_COPY_LEVEL_TEMPLATE  && !template_exists))
10092       continue;
10093
10094     MapCheckbuttonGadget(i);
10095   }
10096
10097   // draw selectbox gadgets
10098   for (i = ED_SELECTBOX_ID_LEVELSET_FIRST; i <= ED_SELECTBOX_ID_LEVELSET_LAST; i++)
10099     MapSelectboxGadget(i);
10100
10101   // draw text input gadgets
10102   for (i = ED_TEXTINPUT_ID_LEVELSET_FIRST; i <= ED_TEXTINPUT_ID_LEVELSET_LAST; i++)
10103     MapTextInputGadget(i);
10104
10105   // draw textbutton gadgets
10106   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_LEVELSET);
10107
10108   // draw info text
10109   DrawLevelConfigLevelSet_DirectoryInfo();
10110 }
10111
10112 static void DrawLevelConfigEditor(void)
10113 {
10114   int i;
10115
10116   // draw counter gadgets
10117   for (i = ED_COUNTER_ID_EDITOR_FIRST; i <= ED_COUNTER_ID_EDITOR_LAST; i++)
10118     MapCounterButtons(i);
10119
10120   // draw checkbutton gadgets
10121   for (i = ED_CHECKBUTTON_ID_EDITOR_FIRST; i <= ED_CHECKBUTTON_ID_EDITOR_LAST; i++)
10122     MapCheckbuttonGadget(i);
10123
10124   // draw radiobutton gadgets
10125   for (i = ED_RADIOBUTTON_ID_EDITOR_FIRST; i <= ED_RADIOBUTTON_ID_EDITOR_LAST; i++)
10126     MapRadiobuttonGadget(i);
10127
10128   // draw drawing area
10129   MapDrawingArea(ED_DRAWING_ID_RANDOM_BACKGROUND);
10130
10131   // draw textbutton gadgets
10132   MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2);
10133 }
10134
10135 static void DrawLevelConfigEngine(void)
10136 {
10137   int i;
10138
10139   // draw counter gadgets
10140   if (level.bd_scheduling_type == GD_SCHEDULING_MILLISECONDS)
10141   {
10142     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_MS);
10143     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_CYCLES);
10144   }
10145   else
10146   {
10147     MapCounterButtons(ED_COUNTER_ID_BD_CYCLE_DELAY_C64);
10148     MapCounterButtons(ED_COUNTER_ID_BD_HATCHING_DELAY_SECONDS);
10149   }
10150
10151   // draw checkbutton gadgets
10152   for (i = ED_CHECKBUTTON_ID_ENGINE_FIRST; i <= ED_CHECKBUTTON_ID_ENGINE_LAST; i++)
10153     MapCheckbuttonGadget(i);
10154
10155   // draw selectbox gadgets
10156   for (i = ED_SELECTBOX_ID_ENGINE_FIRST; i <= ED_SELECTBOX_ID_ENGINE_LAST; i++)
10157     MapSelectboxGadget(i);
10158 }
10159
10160 static void DrawLevelConfigWindow(void)
10161 {
10162   char *text = "Global Settings";
10163   int font_nr = FONT_TITLE_1;
10164   struct MenuPosInfo *pos = &editor.settings.headline;
10165   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font_nr), pos->align);
10166   int sy = SY + pos->y;
10167
10168   stick_element_properties_window = FALSE;
10169
10170   SetAutomaticNumberOfGemsNeeded();
10171
10172   UnmapLevelEditorFieldGadgets();
10173
10174   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
10175   ClearField();
10176
10177   DrawText(sx, sy, text, font_nr);
10178
10179   DrawLevelConfigTabulatorGadgets();
10180
10181   if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVEL)
10182     DrawLevelConfigLevel();
10183   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_LEVELSET)
10184     DrawLevelConfigLevelSet();
10185   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_EDITOR)
10186     DrawLevelConfigEditor();
10187   else if (edit_mode_levelconfig == ED_MODE_LEVELCONFIG_ENGINE)
10188     DrawLevelConfigEngine();
10189 }
10190
10191 static void DrawCustomContentArea(void)
10192 {
10193   int id = ED_DRAWING_ID_CUSTOM_CONTENT;
10194   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10195   int x1 = right_gadget_border[GADGET_ID_CUSTOM_DEADLINESS];
10196   int x2 = right_gadget_border[GADGET_ID_CUSTOM_EXPLOSION_TYPE];
10197   int x3 = right_gadget_border[GADGET_ID_CUSTOM_EXPLODE_IMPACT];
10198   int xoffset = ED_GADGET_SPACE_DISTANCE;
10199
10200   // add distance for potential left text (without drawing area border)
10201   x2 += getTextWidthForGadget(drawingarea_info[id].text_left);
10202
10203   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10204
10205   MapDrawingArea(ED_DRAWING_ID_CUSTOM_CONTENT);
10206 }
10207
10208 static void DrawCustomChangeContentArea(void)
10209 {
10210   int id = ED_DRAWING_ID_CUSTOM_CHANGE_CONTENT;
10211   struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[id].gadget_id];
10212   int x1 = right_gadget_border[GADGET_ID_CHANGE_USE_CONTENT];
10213   int x2 = right_gadget_border[GADGET_ID_CHANGE_REPLACE_WHEN];
10214   int x3 = right_gadget_border[GADGET_ID_CHANGE_ONLY_COMPLETE];
10215   int xoffset = ED_GADGET_SPACE_DISTANCE;
10216
10217   ModifyGadget(gi, GDI_X, MAX(x1, MAX(x2, x3)) + xoffset, GDI_END);
10218
10219   MapDrawingArea(id);
10220 }
10221
10222 static void RemoveElementContentArea(int id, int font_height)
10223 {
10224   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10225
10226   DrawBackground(SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size,
10227                  SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size,
10228                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10229                  3 * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size +
10230                  ED_GADGET_TEXT_DISTANCE + font_height);
10231 }
10232
10233 static void DrawYamYamContentAreas(void)
10234 {
10235   int font_nr = FONT_TEXT_1;
10236   int font_height = getFontHeight(font_nr);
10237   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10238   int yoffset = (tilesize - font_height) / 2;
10239   int x = SX + ED_AREA_YAMYAM_CONTENT_X(3) + 4 * tilesize;
10240   int y = SY + ED_AREA_YAMYAM_CONTENT_Y(3) + yoffset;
10241   int i;
10242
10243   // display counter to choose number of element content areas
10244   MapCounterButtons(ED_COUNTER_ID_YAMYAM_CONTENT);
10245
10246   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10247   {
10248     int id = ED_DRAWING_ID_YAMYAM_CONTENT_0 + i;
10249
10250     if (i < level.num_yamyam_contents)
10251     {
10252       MapDrawingArea(id);
10253     }
10254     else
10255     {
10256       UnmapDrawingArea(id);
10257
10258       // delete content areas in case of reducing number of them
10259       RemoveElementContentArea(id, font_height);
10260     }
10261   }
10262
10263   DrawText(x, y + 0 * tilesize, "content", font_nr);
10264   DrawText(x, y + 1 * tilesize, "when",    font_nr);
10265   DrawText(x, y + 2 * tilesize, "smashed", font_nr);
10266 }
10267
10268 static void DrawMagicBallContentAreas(void)
10269 {
10270   int font_nr = FONT_TEXT_1;
10271   int font_height = getFontHeight(font_nr);
10272   int tilesize = ED_DRAWINGAREA_TILE_SIZE;
10273   int yoffset = (tilesize - font_height) / 2;
10274   int x = SX + ED_AREA_MAGIC_BALL_CONTENT_X(3) + 4 * tilesize;
10275   int y = SY + ED_AREA_MAGIC_BALL_CONTENT_Y(3) + yoffset;
10276   int i;
10277
10278   // display counter to choose number of element content areas
10279   MapCounterButtons(ED_COUNTER_ID_BALL_CONTENT);
10280
10281   for (i = 0; i < MAX_ELEMENT_CONTENTS; i++)
10282   {
10283     int id = ED_DRAWING_ID_MAGIC_BALL_CONTENT_0 + i;
10284
10285     if (i < level.num_ball_contents)
10286     {
10287       MapDrawingArea(id);
10288     }
10289     else
10290     {
10291       UnmapDrawingArea(id);
10292
10293       // delete content areas in case of reducing number of them
10294       RemoveElementContentArea(id, font_height);
10295     }
10296   }
10297
10298   DrawText(x, y + 0 * tilesize, "generated", font_nr);
10299   DrawText(x, y + 1 * tilesize, "when",      font_nr);
10300   DrawText(x, y + 2 * tilesize, "active",    font_nr);
10301 }
10302
10303 static void DrawAndroidElementArea(void)
10304 {
10305   int id = ED_DRAWING_ID_ANDROID_CONTENT;
10306   int num_elements = level.num_android_clone_elements;
10307   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10308   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10309   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10310   int xsize = MAX_ANDROID_ELEMENTS;
10311   int ysize = 1;
10312
10313   // display counter to choose number of element areas
10314   MapCounterButtons(ED_COUNTER_ID_ANDROID_CONTENT);
10315
10316   if (drawingarea_info[id].text_left != NULL)
10317     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10318
10319   UnmapDrawingArea(id);
10320
10321   ModifyEditorDrawingArea(id, num_elements, 1);
10322
10323   // delete content areas in case of reducing number of them
10324   DrawBackground(sx, sy,
10325                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10326                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10327
10328   MapDrawingArea(id);
10329 }
10330
10331 static void DrawGroupElementArea(void)
10332 {
10333   int id = ED_DRAWING_ID_GROUP_CONTENT;
10334   int num_elements = group_element_info.num_elements;
10335   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10336   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10337   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10338   int xsize = MAX_ELEMENTS_IN_GROUP;
10339   int ysize = 1;
10340
10341   if (drawingarea_info[id].text_left != NULL)
10342     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10343
10344   UnmapDrawingArea(id);
10345
10346   ModifyEditorDrawingArea(id, num_elements, 1);
10347
10348   // delete content areas in case of reducing number of them
10349   DrawBackground(sx, sy,
10350                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10351                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10352
10353   MapDrawingArea(id);
10354 }
10355
10356 static void DrawPlayerInitialInventoryArea(int element)
10357 {
10358   int id = ED_DRAWING_ID_INVENTORY_CONTENT;
10359   int player_nr = GET_PLAYER_NR(element);
10360   int num_elements = level.initial_inventory_size[player_nr];
10361   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10362   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10363   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10364   int xsize = MAX_INITIAL_INVENTORY_SIZE;
10365   int ysize = 1;
10366
10367   // determine horizontal position to the right of specified gadget
10368   if (drawingarea_info[id].gadget_id_align != GADGET_ID_NONE)
10369     sx = (right_gadget_border[drawingarea_info[id].gadget_id_align] +
10370           ED_DRAWINGAREA_TEXT_DISTANCE);
10371
10372   // determine horizontal offset for leading text
10373   if (drawingarea_info[id].text_left != NULL)
10374     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10375
10376   UnmapDrawingArea(id);
10377
10378   ModifyEditorDrawingArea(id, num_elements, 1);
10379
10380   // delete content areas in case of reducing number of them
10381   DrawBackground(sx, sy,
10382                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10383                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10384
10385   MapDrawingArea(id);
10386 }
10387
10388 static void DrawMMBallContentArea(void)
10389 {
10390   int id = ED_DRAWING_ID_MM_BALL_CONTENT;
10391   int num_elements = level.num_mm_ball_contents;
10392   int border_size = ED_DRAWINGAREA_BORDER_SIZE;
10393   int sx = SX + ED_AREA_SETTINGS_X(drawingarea_info[id]) - border_size;
10394   int sy = SY + ED_AREA_SETTINGS_Y(drawingarea_info[id]) - border_size;
10395   int xsize = MAX_MM_BALL_CONTENTS;
10396   int ysize = 1;
10397
10398   if (drawingarea_info[id].text_left != NULL)
10399     sx += getTextWidthForDrawingArea(drawingarea_info[id].text_left);
10400
10401   UnmapDrawingArea(id);
10402
10403   ModifyEditorDrawingArea(id, num_elements, 1);
10404
10405   // delete content areas in case of reducing number of them
10406   DrawBackground(sx, sy,
10407                  xsize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size,
10408                  ysize * ED_DRAWINGAREA_TILE_SIZE + 2 * border_size);
10409
10410   MapDrawingArea(id);
10411 }
10412
10413 static void DrawEnvelopeTextArea(int envelope_nr)
10414 {
10415   int id = ED_TEXTAREA_ID_ENVELOPE_INFO;
10416   struct GadgetInfo *gi = level_editor_gadget[textarea_info[id].gadget_id];
10417
10418   UnmapGadget(gi);
10419
10420   DrawBackground(gi->x, gi->y,
10421                  gi->textarea.crop_width, gi->textarea.crop_height);
10422
10423   if (envelope_nr != -1)
10424     textarea_info[id].value = level.envelope[envelope_nr].text;
10425
10426   ModifyGadget(gi, GDI_AREA_SIZE,
10427                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_XSIZE].value,
10428                *counterbutton_info[ED_COUNTER_ID_ENVELOPE_YSIZE].value,
10429                GDI_END);
10430
10431   MapTextAreaGadget(ED_TEXTAREA_ID_ENVELOPE_INFO);
10432 }
10433
10434 static void DrawPropertiesInfo(void)
10435 {
10436   static struct
10437   {
10438     int value;
10439     char *text;
10440   }
10441   properties[] =
10442   {
10443     // configurable properties
10444
10445     { EP_WALKABLE_OVER,         "- player can walk over it"             },
10446     { EP_WALKABLE_INSIDE,       "- player can walk inside it"           },
10447     { EP_WALKABLE_UNDER,        "- player can walk under it"            },
10448     { EP_PASSABLE_OVER,         "- player can pass over it"             },
10449     { EP_PASSABLE_INSIDE,       "- player can pass through it"          },
10450     { EP_PASSABLE_UNDER,        "- player can pass under it"            },
10451     { EP_PROTECTED,             "- player is protected by it"           },
10452
10453     { EP_DIGGABLE,              "- can be digged away"                  },
10454     { EP_COLLECTIBLE,           "- can be collected"                    },
10455     { EP_DROPPABLE,             "- can be dropped after collecting"     },
10456     { EP_THROWABLE,             "- can be thrown after collecting"      },
10457     { EP_PUSHABLE,              "- can be pushed"                       },
10458
10459     { EP_CAN_FALL,              "- can fall"                            },
10460     { EP_CAN_MOVE,              "- can move"                            },
10461
10462     { EP_CAN_SMASH_PLAYER,      "- can smash player"                    },
10463 #if 0
10464     { EP_CAN_SMASH_ENEMIES,     "- can smash good and bad guys"         },
10465 #endif
10466     { EP_CAN_SMASH_EVERYTHING,  "- can smash everything smashable"      },
10467
10468     { EP_SLIPPERY,              "- slippery for falling elements"       },
10469     { EP_EM_SLIPPERY_WALL,      "- slippery for some gems (EM style)"   },
10470
10471     { EP_DONT_RUN_INTO,         "- deadly when running into"            },
10472     { EP_DONT_COLLIDE_WITH,     "- deadly when colliding with"          },
10473     { EP_DONT_GET_HIT_BY,       "- deadly when getting hit by"          },
10474     { EP_DONT_TOUCH,            "- deadly when touching"                },
10475
10476     { EP_INDESTRUCTIBLE,        "- indestructible"                      },
10477
10478     { EP_CAN_EXPLODE_BY_FIRE,   "- can explode by fire or explosions"   },
10479     { EP_CAN_EXPLODE_SMASHED,   "- can explode when smashed"            },
10480     { EP_CAN_EXPLODE_IMPACT,    "- can explode on impact"               },
10481
10482     { EP_CAN_CHANGE,            "- can change to other element"         },
10483
10484     // pre-defined properties
10485     { EP_CAN_PASS_MAGIC_WALL,   "- can pass magic walls"                },
10486     { EP_CAN_PASS_DC_MAGIC_WALL,"- can pass magic walls (DC style)"     },
10487     { EP_SWITCHABLE,            "- can be switched"                     },
10488 #if 0
10489     { EP_HAS_EDITOR_CONTENT,    "- can contain other elements"          },
10490 #endif
10491
10492     { -1,                       NULL                                    }
10493   };
10494   char *filename = getElementDescriptionFilename(properties_element);
10495   char *num_elements_text = "In this level: ";
10496   char *num_similar_text = "Similar tiles: ";
10497   char *properties_text = "Standard properties: ";
10498   char *description_text = "Description:";
10499   char *no_description_text = "No description available.";
10500   char *none_text = "None";
10501   float percentage;
10502   int num_elements_in_level = 0;
10503   int num_similar_in_level = 0;
10504   int num_hires_tiles_in_level = 0;
10505   int num_standard_properties = 0;
10506   int font1_nr = FONT_TEXT_1;
10507   int font2_nr = FONT_TEXT_2;
10508   int font1_width = getFontWidth(font1_nr);
10509   int font1_height = getFontHeight(font1_nr);
10510   int font2_height = getFontHeight(font2_nr);
10511   int line1_height = font1_height + ED_GADGET_LINE_DISTANCE;
10512   int font2_yoffset = (font1_height - font2_height) / 2;
10513   int num_elements_text_len = strlen(num_elements_text) * font1_width;
10514   int num_similar_text_len = strlen(num_similar_text) * font1_width;
10515   int properties_text_len = strlen(properties_text) * font1_width;
10516   int xpos = ED_ELEMENT_SETTINGS_X(0);
10517   int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10518   int i, x, y;
10519
10520   if (setup.editor.show_element_token)
10521   {
10522     int font3_nr = FONT_TEXT_3;
10523     int font3_height = getFontHeight(font3_nr);
10524
10525     DrawTextF(xpos, ypos, font3_nr,
10526               "[%s]", element_info[properties_element].token_name);
10527
10528     ypos += 2 * font3_height;
10529   }
10530
10531   // ----- print number of elements / percentage of this element in level
10532
10533   for (y = 0; y < lev_fieldy; y++)
10534   {
10535     for (x = 0; x < lev_fieldx; x++)
10536     {
10537       if (Tile[x][y] == properties_element)
10538       {
10539         num_elements_in_level++;
10540       }
10541       else if (IS_MM_WALL(Tile[x][y]) &&
10542                map_mm_wall_element(Tile[x][y]) == properties_element)
10543       {
10544         num_hires_tiles_in_level += numHiresTiles(Tile[x][y]);
10545       }
10546     }
10547   }
10548
10549   percentage = num_elements_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10550
10551   DrawTextS(xpos, ypos, font1_nr, num_elements_text);
10552
10553   if (num_hires_tiles_in_level > 0)
10554     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10555               "%d wall tiles", num_hires_tiles_in_level);
10556   else if (num_elements_in_level > 0)
10557     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10558               "%d (%.2f %%)", num_elements_in_level, percentage);
10559   else
10560     DrawTextF(xpos + num_elements_text_len, ypos + font2_yoffset, font2_nr,
10561               none_text);
10562
10563   // ----- print number of similar elements / percentage of them in level
10564
10565   for (y = 0; y < lev_fieldy; y++)
10566   {
10567     for (x = 0; x < lev_fieldx; x++)
10568     {
10569       if (strEqual(element_info[Tile[x][y]].class_name,
10570                    element_info[properties_element].class_name))
10571       {
10572         num_similar_in_level++;
10573       }
10574     }
10575   }
10576
10577   if (num_similar_in_level != num_elements_in_level)
10578   {
10579     ypos += 1 * MAX(font1_height, font2_height);
10580
10581     percentage = num_similar_in_level * 100.0 / (lev_fieldx * lev_fieldy);
10582
10583     DrawTextS(xpos, ypos, font1_nr, num_similar_text);
10584
10585     if (num_similar_in_level > 0)
10586       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10587                 "%d (%.2f %%)", num_similar_in_level, percentage);
10588     else
10589       DrawTextF(xpos + num_similar_text_len, ypos + font2_yoffset, font2_nr,
10590                 none_text);
10591   }
10592
10593   ypos += 2 * MAX(font1_height, font2_height);
10594
10595   // ----- print standard properties of this element
10596
10597   DrawTextS(xpos, ypos, font1_nr, properties_text);
10598
10599   ypos += line1_height;
10600
10601   for (i = 0; properties[i].value != -1; i++)
10602   {
10603     if (!HAS_PROPERTY(properties_element, properties[i].value))
10604       continue;
10605
10606     DrawTextS(xpos, ypos, font2_nr, properties[i].text);
10607
10608     ypos += font2_height;
10609
10610     num_standard_properties++;
10611   }
10612
10613   if (num_standard_properties == 0)
10614   {
10615     DrawTextS(xpos + properties_text_len, ypos - line1_height + font2_yoffset,
10616               font2_nr, none_text);
10617
10618     ypos -= (line1_height - font1_height);
10619   }
10620
10621   ypos += MAX(font1_height, font2_height);
10622
10623   // ----- print special description of this element
10624
10625   PrintInfoText(description_text, font1_nr, xpos, ypos);
10626
10627   ypos += line1_height;
10628
10629   if (PrintElementDescriptionFromFile(filename, font2_nr, xpos, ypos) == 0)
10630     PrintInfoText(no_description_text, font1_nr, xpos, ypos - line1_height);
10631 }
10632
10633 #define TEXT_COLLECTING         "Score for collecting"
10634 #define TEXT_COLLECTING_EXTRA   "Score for extra diamonds"
10635 #define TEXT_SMASHING           "Score for smashing"
10636 #define TEXT_SLURPING           "Score for slurping robot"
10637 #define TEXT_CRACKING           "Score for cracking"
10638 #define TEXT_AMOEBA_SPEED       "Speed of amoeba growth"
10639 #define TEXT_DURATION           "Duration when activated"
10640 #define TEXT_DELAY_ON           "Delay before activating"
10641 #define TEXT_DELAY_OFF          "Delay before deactivating"
10642 #define TEXT_DELAY_CHANGING     "Delay before changing"
10643 #define TEXT_DELAY_EXPLODING    "Delay before exploding"
10644 #define TEXT_DELAY_MOVING       "Delay before moving"
10645 #define TEXT_BALL_DELAY         "Element generation delay"
10646 #define TEXT_MOVE_SPEED         "Speed of android moving"
10647 #define TEXT_CLONE_SPEED        "Speed of android cloning"
10648 #define TEXT_GAME_OF_LIFE_1     "Min neighbours to survive"
10649 #define TEXT_GAME_OF_LIFE_2     "Max neighbours to survive"
10650 #define TEXT_GAME_OF_LIFE_3     "Min neighbours to create"
10651 #define TEXT_GAME_OF_LIFE_4     "Max neighbours to create"
10652 #define TEXT_TIME_BONUS         "Extra time to solve level"
10653
10654 static struct
10655 {
10656   int element;
10657   int *value;
10658   char *text;
10659 } elements_with_counter[] =
10660 {
10661   { EL_EMERALD,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10662   { EL_BD_DIAMOND,              &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10663   { EL_BD_DIAMOND,              &level.score[SC_DIAMOND_EXTRA], TEXT_COLLECTING_EXTRA   },
10664   { EL_EMERALD_YELLOW,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10665   { EL_EMERALD_RED,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10666   { EL_EMERALD_PURPLE,          &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10667   { EL_SP_INFOTRON,             &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10668   { EL_DIAMOND,                 &level.score[SC_DIAMOND],       TEXT_COLLECTING         },
10669   { EL_CRYSTAL,                 &level.score[SC_CRYSTAL],       TEXT_COLLECTING         },
10670   { EL_PEARL,                   &level.score[SC_PEARL],         TEXT_COLLECTING         },
10671   { EL_BUG,                     &level.score[SC_BUG],           TEXT_SMASHING           },
10672   { EL_BUG_RIGHT,               &level.score[SC_BUG],           TEXT_SMASHING           },
10673   { EL_BUG_UP,                  &level.score[SC_BUG],           TEXT_SMASHING           },
10674   { EL_BUG_LEFT,                &level.score[SC_BUG],           TEXT_SMASHING           },
10675   { EL_BUG_DOWN,                &level.score[SC_BUG],           TEXT_SMASHING           },
10676   { EL_BD_BUTTERFLY,            &level.score[SC_BUG],           TEXT_SMASHING           },
10677   { EL_BD_BUTTERFLY_RIGHT,      &level.score[SC_BUG],           TEXT_SMASHING           },
10678   { EL_BD_BUTTERFLY_UP,         &level.score[SC_BUG],           TEXT_SMASHING           },
10679   { EL_BD_BUTTERFLY_LEFT,       &level.score[SC_BUG],           TEXT_SMASHING           },
10680   { EL_BD_BUTTERFLY_DOWN,       &level.score[SC_BUG],           TEXT_SMASHING           },
10681   { EL_SP_ELECTRON,             &level.score[SC_BUG],           TEXT_SMASHING           },
10682   { EL_SPACESHIP,               &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10683   { EL_SPACESHIP_RIGHT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10684   { EL_SPACESHIP_UP,            &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10685   { EL_SPACESHIP_LEFT,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10686   { EL_SPACESHIP_DOWN,          &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10687   { EL_BD_FIREFLY,              &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10688   { EL_BD_FIREFLY_RIGHT,        &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10689   { EL_BD_FIREFLY_UP,           &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10690   { EL_BD_FIREFLY_LEFT,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10691   { EL_BD_FIREFLY_DOWN,         &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10692   { EL_SP_SNIKSNAK,             &level.score[SC_SPACESHIP],     TEXT_SMASHING           },
10693   { EL_YAMYAM,                  &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10694   { EL_YAMYAM_LEFT,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10695   { EL_YAMYAM_RIGHT,            &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10696   { EL_YAMYAM_UP,               &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10697   { EL_YAMYAM_DOWN,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10698   { EL_DARK_YAMYAM,             &level.score[SC_YAMYAM],        TEXT_SMASHING           },
10699   { EL_ROBOT,                   &level.score[SC_ROBOT],         TEXT_SMASHING           },
10700   { EL_PACMAN,                  &level.score[SC_PACMAN],        TEXT_SMASHING           },
10701   { EL_PACMAN_RIGHT,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10702   { EL_PACMAN_UP,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10703   { EL_PACMAN_LEFT,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10704   { EL_PACMAN_DOWN,             &level.score[SC_PACMAN],        TEXT_SMASHING           },
10705   { EL_NUT,                     &level.score[SC_NUT],           TEXT_CRACKING           },
10706   { EL_DYNAMITE,                &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10707   { EL_EM_DYNAMITE,             &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10708   { EL_DYNABOMB_INCREASE_NUMBER,&level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10709   { EL_DYNABOMB_INCREASE_SIZE,  &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10710   { EL_DYNABOMB_INCREASE_POWER, &level.score[SC_DYNAMITE],      TEXT_COLLECTING         },
10711   { EL_SHIELD_NORMAL,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10712   { EL_SHIELD_DEADLY,           &level.score[SC_SHIELD],        TEXT_COLLECTING         },
10713   { EL_EXTRA_TIME,              &level.extra_time_score,        TEXT_COLLECTING         },
10714   { EL_KEY_1,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10715   { EL_KEY_2,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10716   { EL_KEY_3,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10717   { EL_KEY_4,                   &level.score[SC_KEY],           TEXT_COLLECTING         },
10718   { EL_EM_KEY_1,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10719   { EL_EM_KEY_2,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10720   { EL_EM_KEY_3,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10721   { EL_EM_KEY_4,                &level.score[SC_KEY],           TEXT_COLLECTING         },
10722   { EL_EMC_KEY_5,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10723   { EL_EMC_KEY_6,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10724   { EL_EMC_KEY_7,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10725   { EL_EMC_KEY_8,               &level.score[SC_KEY],           TEXT_COLLECTING         },
10726   { EL_DC_KEY_WHITE,            &level.score[SC_KEY],           TEXT_COLLECTING         },
10727   { EL_MM_KETTLE,               &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10728   { EL_DF_CELL,                 &level.score[SC_EMERALD],       TEXT_COLLECTING         },
10729   { EL_MM_KEY,                  &level.score[SC_KEY],           TEXT_COLLECTING         },
10730   { EL_MM_LIGHTBALL,            &level.score[SC_ELEM_BONUS],    TEXT_COLLECTING         },
10731   { EL_MM_PACMAN,               &level.score[SC_PACMAN],        TEXT_SMASHING           },
10732   { EL_MM_PACMAN_RIGHT,         &level.score[SC_PACMAN],        TEXT_SMASHING           },
10733   { EL_MM_PACMAN_UP,            &level.score[SC_PACMAN],        TEXT_SMASHING           },
10734   { EL_MM_PACMAN_LEFT,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10735   { EL_MM_PACMAN_DOWN,          &level.score[SC_PACMAN],        TEXT_SMASHING           },
10736   { EL_AMOEBA_WET,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10737   { EL_AMOEBA_DRY,              &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10738   { EL_AMOEBA_FULL,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10739   { EL_BD_AMOEBA,               &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10740   { EL_EMC_DRIPPER,             &level.amoeba_speed,            TEXT_AMOEBA_SPEED       },
10741   { EL_MAGIC_WALL,              &level.time_magic_wall,         TEXT_DURATION           },
10742   { EL_BD_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10743   { EL_DC_MAGIC_WALL,           &level.time_magic_wall,         TEXT_DURATION           },
10744   { EL_ROBOT_WHEEL,             &level.time_wheel,              TEXT_DURATION           },
10745   { EL_TIMEGATE_SWITCH,         &level.time_timegate,           TEXT_DURATION           },
10746   { EL_DC_TIMEGATE_SWITCH,      &level.time_timegate,           TEXT_DURATION           },
10747   { EL_LIGHT_SWITCH,            &level.time_light,              TEXT_DURATION           },
10748   { EL_LIGHT_SWITCH_ACTIVE,     &level.time_light,              TEXT_DURATION           },
10749   { EL_SHIELD_NORMAL,           &level.shield_normal_time,      TEXT_DURATION           },
10750   { EL_SHIELD_DEADLY,           &level.shield_deadly_time,      TEXT_DURATION           },
10751   { EL_EXTRA_TIME,              &level.extra_time,              TEXT_TIME_BONUS         },
10752   { EL_TIME_ORB_FULL,           &level.time_orb_time,           TEXT_TIME_BONUS         },
10753   { EL_GAME_OF_LIFE,            &level.game_of_life[0],         TEXT_GAME_OF_LIFE_1     },
10754   { EL_GAME_OF_LIFE,            &level.game_of_life[1],         TEXT_GAME_OF_LIFE_2     },
10755   { EL_GAME_OF_LIFE,            &level.game_of_life[2],         TEXT_GAME_OF_LIFE_3     },
10756   { EL_GAME_OF_LIFE,            &level.game_of_life[3],         TEXT_GAME_OF_LIFE_4     },
10757   { EL_BIOMAZE,                 &level.biomaze[0],              TEXT_GAME_OF_LIFE_1     },
10758   { EL_BIOMAZE,                 &level.biomaze[1],              TEXT_GAME_OF_LIFE_2     },
10759   { EL_BIOMAZE,                 &level.biomaze[2],              TEXT_GAME_OF_LIFE_3     },
10760   { EL_BIOMAZE,                 &level.biomaze[3],              TEXT_GAME_OF_LIFE_4     },
10761   { EL_EMC_ANDROID,             &level.android_move_time,       TEXT_MOVE_SPEED         },
10762   { EL_EMC_ANDROID,             &level.android_clone_time,      TEXT_CLONE_SPEED        },
10763   { EL_EMC_MAGIC_BALL,          &level.ball_time,               TEXT_BALL_DELAY         },
10764   { EL_EMC_LENSES,              &level.lenses_score,            TEXT_COLLECTING         },
10765   { EL_EMC_MAGNIFIER,           &level.magnify_score,           TEXT_COLLECTING         },
10766   { EL_SPRING,                  &level.slurp_score,             TEXT_SLURPING           },
10767   { EL_SPRING_LEFT,             &level.slurp_score,             TEXT_SLURPING           },
10768   { EL_SPRING_RIGHT,            &level.slurp_score,             TEXT_SLURPING           },
10769   { EL_EMC_LENSES,              &level.lenses_time,             TEXT_DURATION           },
10770   { EL_EMC_MAGNIFIER,           &level.magnify_time,            TEXT_DURATION           },
10771   { EL_MM_FUSE_ACTIVE,          &level.mm_time_fuse,            TEXT_DELAY_OFF          },
10772   { EL_MM_BOMB,                 &level.mm_time_bomb,            TEXT_DELAY_EXPLODING    },
10773   { EL_MM_GRAY_BALL,            &level.mm_time_ball,            TEXT_DELAY_CHANGING     },
10774   { EL_MM_STEEL_BLOCK,          &level.mm_time_block,           TEXT_DELAY_MOVING       },
10775   { EL_MM_WOODEN_BLOCK,         &level.mm_time_block,           TEXT_DELAY_MOVING       },
10776
10777   { -1,                         NULL,                           NULL                    }
10778 };
10779
10780 static boolean checkPropertiesConfig(int element)
10781 {
10782   int i;
10783
10784   // special case: empty space customization only available in R'n'D game engine
10785   if (element == EL_EMPTY_SPACE && level.game_engine_type != GAME_ENGINE_TYPE_RND)
10786     return FALSE;
10787
10788   if (IS_GEM(element) ||
10789       IS_CUSTOM_ELEMENT(element) ||
10790       IS_GROUP_ELEMENT(element) ||
10791       IS_EMPTY_ELEMENT(element) ||
10792       IS_BALLOON_ELEMENT(element) ||
10793       IS_ENVELOPE(element) ||
10794       IS_MM_ENVELOPE(element) ||
10795       IS_MM_MCDUFFIN(element) ||
10796       IS_DF_LASER(element) ||
10797       IS_PLAYER_ELEMENT(element) ||
10798       IS_BD_PLAYER_ELEMENT(element) ||
10799       IS_SOKOBAN_OBJECT_OR_FIELD(element) ||
10800       HAS_EDITOR_CONTENT(element) ||
10801       CAN_GROW(element) ||
10802       COULD_MOVE_INTO_ACID(element) ||
10803       MAYBE_DONT_COLLIDE_WITH(element))
10804     return TRUE;
10805   else
10806     for (i = 0; elements_with_counter[i].element != -1; i++)
10807       if (elements_with_counter[i].element == element)
10808         return TRUE;
10809
10810   return FALSE;
10811 }
10812
10813 static void SetAutomaticNumberOfGemsNeeded(void)
10814 {
10815   int x, y;
10816
10817   if (!level.auto_count_gems)
10818     return;
10819
10820   level.gems_needed = 0;
10821
10822   for (x = 0; x < lev_fieldx; x++)
10823   {
10824     for (y = 0; y < lev_fieldy; y++)
10825     {
10826       int element = Tile[x][y];
10827
10828       switch (element)
10829       {
10830         case EL_EMERALD:
10831         case EL_EMERALD_YELLOW:
10832         case EL_EMERALD_RED:
10833         case EL_EMERALD_PURPLE:
10834         case EL_BD_DIAMOND:
10835         case EL_WALL_EMERALD:
10836         case EL_WALL_EMERALD_YELLOW:
10837         case EL_WALL_EMERALD_RED:
10838         case EL_WALL_EMERALD_PURPLE:
10839         case EL_WALL_BD_DIAMOND:
10840         case EL_NUT:
10841         case EL_SP_INFOTRON:
10842         case EL_MM_KETTLE:
10843         case EL_DF_CELL:
10844           level.gems_needed++;
10845           break;
10846
10847         case EL_DIAMOND:
10848         case EL_WALL_DIAMOND:
10849           level.gems_needed += 3;
10850           break;
10851
10852         case EL_PEARL:
10853         case EL_WALL_PEARL:
10854           level.gems_needed += 5;
10855           break;
10856
10857         case EL_CRYSTAL:
10858         case EL_WALL_CRYSTAL:
10859           level.gems_needed += 8;
10860           break;
10861
10862         default:
10863           break;
10864       }
10865     }
10866   }
10867
10868   ModifyEditorCounterValue(ED_COUNTER_ID_LEVEL_GEMSLIMIT, level.gems_needed);
10869 }
10870
10871 static void DrawPropertiesConfig(void)
10872 {
10873   boolean draw_footer_line = FALSE;
10874   int max_num_element_counters = 4;
10875   int num_element_counters = 0;
10876   int i;
10877
10878   if (!checkPropertiesConfig(properties_element))
10879   {
10880     int xpos = ED_ELEMENT_SETTINGS_X(0);
10881     int ypos = ED_ELEMENT_SETTINGS_Y(0) + ED_GADGET_SMALL_DISTANCE;
10882
10883     PrintInfoText("No configuration options available.",
10884                   FONT_TEXT_1, xpos, ypos);
10885
10886     return;
10887   }
10888
10889   // check if there are elements where a value can be chosen for
10890   for (i = 0; elements_with_counter[i].element != -1; i++)
10891   {
10892     if (elements_with_counter[i].element == properties_element)
10893     {
10894       int counter_id = ED_COUNTER_ID_ELEMENT_VALUE1 + num_element_counters;
10895
10896       counterbutton_info[counter_id].y =
10897         ED_ELEMENT_SETTINGS_YPOS(
10898                 (HAS_EDITOR_CONTENT(properties_element)      ? 1 : 0) +
10899                 (CAN_GROW(properties_element)                ? 1 : 0) +
10900                 (COULD_MOVE_INTO_ACID(properties_element)    ? 1 : 0) +
10901                 (MAYBE_DONT_COLLIDE_WITH(properties_element) ? 1 : 0) +
10902                 (properties_element == EL_EMC_MAGIC_BALL     ? 2 : 0) +
10903                 num_element_counters);
10904
10905       counterbutton_info[counter_id].value = elements_with_counter[i].value;
10906       counterbutton_info[counter_id].text_right = elements_with_counter[i].text;
10907
10908       if (properties_element == EL_GAME_OF_LIFE ||
10909           properties_element == EL_BIOMAZE)
10910       {
10911         counterbutton_info[counter_id].min_value = 0;   // min neighbours
10912         counterbutton_info[counter_id].max_value = 8;   // max neighbours
10913       }
10914       else
10915       {
10916         // !!! CHANGE THIS FOR CERTAIN ELEMENTS !!!
10917         counterbutton_info[counter_id].min_value = MIN_SCORE;
10918         counterbutton_info[counter_id].max_value = MAX_SCORE;
10919       }
10920
10921       MapCounterButtons(counter_id);
10922
10923       num_element_counters++;
10924       if (num_element_counters >= max_num_element_counters)
10925         break;
10926     }
10927   }
10928
10929   if (HAS_EDITOR_CONTENT(properties_element))
10930   {
10931     // draw stickybutton gadget
10932     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
10933
10934     if (IS_AMOEBOID(properties_element))
10935       MapDrawingArea(ED_DRAWING_ID_AMOEBA_CONTENT);
10936     else if (properties_element == EL_YAMYAM ||
10937              properties_element == EL_YAMYAM_LEFT ||
10938              properties_element == EL_YAMYAM_RIGHT ||
10939              properties_element == EL_YAMYAM_UP ||
10940              properties_element == EL_YAMYAM_DOWN)
10941       DrawYamYamContentAreas();
10942     else if (properties_element == EL_EMC_MAGIC_BALL)
10943     {
10944       DrawMagicBallContentAreas();
10945
10946       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_RANDOM_BALL_CONTENT);
10947       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_BALL_ACTIVE);
10948     }
10949     else if (properties_element == EL_EMC_ANDROID)
10950       DrawAndroidElementArea();
10951     else if (properties_element == EL_MM_GRAY_BALL)
10952     {
10953       MapCounterButtons(ED_COUNTER_ID_MM_BALL_CONTENT);
10954       MapSelectboxGadget(ED_SELECTBOX_ID_MM_BALL_CHOICE_MODE);
10955       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_ROTATE_MM_BALL_CONTENT);
10956       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EXPLODE_MM_BALL);
10957
10958       DrawMMBallContentArea();
10959     }
10960   }
10961
10962   if (IS_PLAYER_ELEMENT(properties_element))
10963   {
10964     int player_nr = GET_PLAYER_NR(properties_element);
10965
10966     // these properties can be set for every player individually
10967
10968     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
10969     {
10970       drawingarea_info[ED_DRAWING_ID_START_ELEMENT].value =
10971         &level.start_element[player_nr];
10972       drawingarea_info[ED_DRAWING_ID_ARTWORK_ELEMENT].value =
10973         &level.artwork_element[player_nr];
10974       drawingarea_info[ED_DRAWING_ID_EXPLOSION_ELEMENT].value =
10975         &level.explosion_element[player_nr];
10976
10977       checkbutton_info[ED_CHECKBUTTON_ID_USE_START_ELEMENT].value =
10978         &level.use_start_element[player_nr];
10979       checkbutton_info[ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT].value =
10980         &level.use_artwork_element[player_nr];
10981       checkbutton_info[ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT].value =
10982         &level.use_explosion_element[player_nr];
10983       checkbutton_info[ED_CHECKBUTTON_ID_INITIAL_GRAVITY].value =
10984         &level.initial_player_gravity[player_nr];
10985
10986       selectbox_info[ED_SELECTBOX_ID_PLAYER_SPEED].value =
10987         &level.initial_player_stepsize[player_nr];
10988
10989       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID);
10990       MapCheckbuttonGadget(properties_element == EL_SP_MURPHY ?
10991                            ED_CHECKBUTTON_ID_SP_BLOCK_LAST_FIELD :
10992                            ED_CHECKBUTTON_ID_BLOCK_LAST_FIELD);
10993       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BLOCK_SNAP_FIELD);
10994       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CONTINUOUS_SNAPPING);
10995       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INSTANT_RELOCATION);
10996       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SHIFTED_RELOCATION);
10997       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_LAZY_RELOCATION);
10998       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_START_ELEMENT);
10999       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_ARTWORK_ELEMENT);
11000       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_EXPLOSION_ELEMENT);
11001       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_INITIAL_GRAVITY);
11002       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_PASS_TO_WALKABLE);
11003       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SOLVED_BY_ONE_PLAYER);
11004
11005       MapDrawingArea(ED_DRAWING_ID_START_ELEMENT);
11006       MapDrawingArea(ED_DRAWING_ID_ARTWORK_ELEMENT);
11007       MapDrawingArea(ED_DRAWING_ID_EXPLOSION_ELEMENT);
11008
11009       MapSelectboxGadget(ED_SELECTBOX_ID_PLAYER_SPEED);
11010     }
11011     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11012     {
11013       drawingarea_info[ED_DRAWING_ID_INVENTORY_CONTENT].value =
11014         &level.initial_inventory_content[player_nr][0];
11015
11016       counterbutton_info[ED_COUNTER_ID_INVENTORY_SIZE].value =
11017         &level.initial_inventory_size[player_nr];
11018
11019       checkbutton_info[ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY].value =
11020         &level.use_initial_inventory[player_nr];
11021
11022       // draw checkbutton gadgets
11023       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_INITIAL_INVENTORY);
11024       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_FINISH_DIG_COLLECT);
11025       MapCheckbuttonGadget(ED_CHECKBUTTON_ID_KEEP_WALKABLE_CE);
11026
11027       // draw counter gadgets
11028       MapCounterButtons(ED_COUNTER_ID_INVENTORY_SIZE);
11029
11030       // draw drawing area gadgets
11031       DrawPlayerInitialInventoryArea(properties_element);
11032     }
11033   }
11034
11035   if (IS_BD_PLAYER_ELEMENT(properties_element))
11036     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_BD_DIAGONAL_MOVEMENTS);
11037
11038   // special case: slippery walls option for gems only available in R'n'D game engine
11039   if (IS_GEM(properties_element) && level.game_engine_type == GAME_ENGINE_TYPE_RND)
11040   {
11041     checkbutton_info[ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS].y =
11042       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_BD_DIAMOND ? 2 : 1);
11043
11044     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_SLIPPERY_GEMS);
11045   }
11046
11047   if (properties_element == EL_EM_DYNAMITE)
11048     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_EM_EXPLODES_BY_FIRE);
11049
11050   if (COULD_MOVE_INTO_ACID(properties_element) &&
11051       !IS_PLAYER_ELEMENT(properties_element) &&
11052       (!IS_CUSTOM_ELEMENT(properties_element) ||
11053        edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2))
11054   {
11055     // set position for checkbutton for "can move into acid"
11056     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].x =
11057       ED_ELEMENT_SETTINGS_XPOS(IS_CUSTOM_ELEMENT(properties_element) ? 1 : 0);
11058     checkbutton_info[ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID].y =
11059       ED_ELEMENT_SETTINGS_YPOS(IS_CUSTOM_ELEMENT(properties_element) ? 7 :
11060                                IS_BALLOON_ELEMENT(properties_element) ||
11061                                HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11062
11063     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID);
11064   }
11065
11066   if (MAYBE_DONT_COLLIDE_WITH(properties_element))
11067     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH);
11068
11069   if (properties_element == EL_SPRING ||
11070       properties_element == EL_SPRING_LEFT ||
11071       properties_element == EL_SPRING_RIGHT)
11072     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_SPRING_BUG);
11073
11074   if (properties_element == EL_TIME_ORB_FULL)
11075     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_TIME_ORB_BUG);
11076
11077   if (properties_element == EL_GAME_OF_LIFE ||
11078       properties_element == EL_BIOMAZE)
11079     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_USE_LIFE_BUGS);
11080
11081   if (CAN_GROW(properties_element))
11082   {
11083     checkbutton_info[ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE].y =
11084       ED_ELEMENT_SETTINGS_YPOS(HAS_EDITOR_CONTENT(properties_element) ? 1 : 0);
11085
11086     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_GROW_INTO_DIGGABLE);
11087   }
11088
11089   if (properties_element == EL_SOKOBAN_FIELD_EMPTY)
11090     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_FIELDS_NEEDED);
11091
11092   if (properties_element == EL_SOKOBAN_OBJECT)
11093     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_SB_OBJECTS_NEEDED);
11094
11095   if (properties_element == EL_SOKOBAN_OBJECT ||
11096       properties_element == EL_SOKOBAN_FIELD_EMPTY ||
11097       properties_element == EL_SOKOBAN_FIELD_FULL)
11098   {
11099     checkbutton_info[ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN].y =
11100       ED_ELEMENT_SETTINGS_XPOS(properties_element == EL_SOKOBAN_FIELD_FULL ?
11101                                0 : 1);
11102
11103     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_AUTO_EXIT_SOKOBAN);
11104   }
11105
11106   if (IS_BALLOON_ELEMENT(properties_element))
11107     MapSelectboxGadget(ED_SELECTBOX_ID_WIND_DIRECTION);
11108
11109   if (IS_ENVELOPE(properties_element) ||
11110       IS_MM_ENVELOPE(properties_element))
11111   {
11112     int counter1_id = ED_COUNTER_ID_ENVELOPE_XSIZE;
11113     int counter2_id = ED_COUNTER_ID_ENVELOPE_YSIZE;
11114     int button1_id = ED_CHECKBUTTON_ID_ENVELOPE_AUTOWRAP;
11115     int button2_id = ED_CHECKBUTTON_ID_ENVELOPE_CENTERED;
11116     int envelope_nr = ENVELOPE_NR(properties_element);
11117
11118     counterbutton_info[counter1_id].value = &level.envelope[envelope_nr].xsize;
11119     counterbutton_info[counter2_id].value = &level.envelope[envelope_nr].ysize;
11120
11121     checkbutton_info[button1_id].value = &level.envelope[envelope_nr].autowrap;
11122     checkbutton_info[button2_id].value = &level.envelope[envelope_nr].centered;
11123
11124     // display counter to choose size of envelope text area
11125     MapCounterButtons(counter1_id);
11126     MapCounterButtons(counter2_id);
11127
11128     // display checkbuttons to choose auto-wrap and alignment properties
11129     MapCheckbuttonGadget(button1_id);
11130     MapCheckbuttonGadget(button2_id);
11131
11132     DrawEnvelopeTextArea(envelope_nr);
11133   }
11134
11135   if (IS_MM_MCDUFFIN(properties_element))
11136   {
11137     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_RED);
11138     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_GREEN);
11139     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_MM_LASER_BLUE);
11140   }
11141
11142   if (IS_DF_LASER(properties_element))
11143   {
11144     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_RED);
11145     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_GREEN);
11146     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_DF_LASER_BLUE);
11147   }
11148
11149   if (IS_CUSTOM_ELEMENT(properties_element))
11150   {
11151     // draw stickybutton gadget
11152     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11153
11154     if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_1)
11155     {
11156       // draw checkbutton gadgets
11157       for (i =  ED_CHECKBUTTON_ID_CUSTOM1_FIRST;
11158            i <= ED_CHECKBUTTON_ID_CUSTOM1_LAST; i++)
11159         MapCheckbuttonGadget(i);
11160
11161       // draw counter gadgets
11162       for (i =  ED_COUNTER_ID_CUSTOM1_FIRST;
11163            i <= ED_COUNTER_ID_CUSTOM1_LAST; i++)
11164         MapCounterButtons(i);
11165
11166       // draw selectbox gadgets
11167       for (i =  ED_SELECTBOX_ID_CUSTOM1_FIRST;
11168            i <= ED_SELECTBOX_ID_CUSTOM1_LAST; i++)
11169         MapSelectboxGadget(i);
11170
11171       // draw textbutton gadgets
11172       MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11173
11174       // draw text input gadgets
11175       MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11176
11177       // draw drawing area gadgets
11178       MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11179
11180       draw_footer_line = TRUE;
11181     }
11182     else if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG_2)
11183     {
11184       // draw checkbutton gadgets
11185       for (i =  ED_CHECKBUTTON_ID_CUSTOM2_FIRST;
11186            i <= ED_CHECKBUTTON_ID_CUSTOM2_LAST; i++)
11187         MapCheckbuttonGadget(i);
11188
11189       // draw counter gadgets
11190       for (i =  ED_COUNTER_ID_CUSTOM2_FIRST;
11191            i <= ED_COUNTER_ID_CUSTOM2_LAST; i++)
11192         MapCounterButtons(i);
11193
11194       // draw selectbox gadgets
11195       for (i =  ED_SELECTBOX_ID_CUSTOM2_FIRST;
11196            i <= ED_SELECTBOX_ID_CUSTOM2_LAST; i++)
11197         MapSelectboxGadget(i);
11198
11199       // draw drawing area gadgets
11200       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_ENTER);
11201       MapDrawingArea(ED_DRAWING_ID_CUSTOM_MOVE_LEAVE);
11202       DrawCustomContentArea();
11203     }
11204   }
11205   else if (IS_GROUP_ELEMENT(properties_element))
11206   {
11207     // draw stickybutton gadget
11208     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11209
11210     // draw checkbutton gadgets
11211     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11212     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11213
11214     // draw counter gadgets
11215     MapCounterButtons(ED_COUNTER_ID_GROUP_CONTENT);
11216
11217     // draw selectbox gadgets
11218     MapSelectboxGadget(ED_SELECTBOX_ID_GROUP_CHOICE_MODE);
11219
11220     // draw textbutton gadgets
11221     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11222
11223     // draw drawing area gadgets
11224     DrawGroupElementArea();
11225
11226     // draw text input gadgets
11227     MapTextInputGadget(ED_TEXTINPUT_ID_ELEMENT_NAME);
11228
11229     // draw drawing area gadgets
11230     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11231
11232     draw_footer_line = TRUE;
11233   }
11234   else if (IS_EMPTY_ELEMENT(properties_element))
11235   {
11236     // draw stickybutton gadget
11237     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11238
11239     // draw checkbutton gadgets
11240     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC);
11241     MapCheckbuttonGadget(ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1);
11242
11243     // draw textbutton gadgets
11244     MapTextbuttonGadget(ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1);
11245
11246     // draw drawing area gadgets
11247     MapDrawingArea(ED_DRAWING_ID_CUSTOM_GRAPHIC);
11248
11249     draw_footer_line = TRUE;
11250   }
11251
11252   // draw little footer border line above CE/GE use/save template gadgets
11253   if (draw_footer_line)
11254   {
11255     struct GadgetInfo *gd_gi1 = level_editor_gadget[GADGET_ID_PROPERTIES_INFO];
11256     struct GadgetDesign *gd = &gd_gi1->alt_design[GD_BUTTON_UNPRESSED];
11257     int gd_x = gd->x + gd_gi1->border.width / 2;
11258     int gd_y = gd->y + gd_gi1->height - 1;
11259     Pixel tab_color = GetPixel(gd->bitmap, gd_x, gd_y);
11260
11261     if (tab_color != BLACK_PIXEL)               // black => transparent
11262       FillRectangle(drawto,
11263                     SX + ED_ELEMENT_SETTINGS_X(0),
11264                     SY + ED_ELEMENT_SETTINGS_Y(14) - ED_SETTINGS_TABS_YOFFSET -
11265                     ED_TAB_BAR_HEIGHT,
11266                     getTabulatorBarWidth(), getTabulatorBarHeight(), tab_color);
11267   }
11268 }
11269
11270 static void DrawPropertiesChangeDrawingAreas(void)
11271 {
11272   if (IS_CUSTOM_ELEMENT(properties_element))
11273   {
11274     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TARGET);
11275     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_TRIGGER);
11276     MapDrawingArea(ED_DRAWING_ID_CUSTOM_CHANGE_ACTION);
11277
11278     DrawCustomChangeContentArea();
11279   }
11280
11281   redraw_mask |= REDRAW_FIELD;
11282 }
11283
11284 static void DrawPropertiesChange(void)
11285 {
11286   int i;
11287
11288   // needed to initially set selectbox options for special action options
11289   setSelectboxSpecialActionOptions();
11290
11291   // draw stickybutton gadget
11292   MapCheckbuttonGadget(ED_CHECKBUTTON_ID_STICK_ELEMENT);
11293
11294   // draw checkbutton gadgets
11295   for (i =  ED_CHECKBUTTON_ID_CHANGE_FIRST;
11296        i <= ED_CHECKBUTTON_ID_CHANGE_LAST; i++)
11297     MapCheckbuttonGadget(i);
11298
11299   // draw counter gadgets
11300   for (i =  ED_COUNTER_ID_CHANGE_FIRST;
11301        i <= ED_COUNTER_ID_CHANGE_LAST; i++)
11302     MapCounterButtons(i);
11303
11304   // draw selectbox gadgets
11305   for (i =  ED_SELECTBOX_ID_CHANGE_FIRST;
11306        i <= ED_SELECTBOX_ID_CHANGE_LAST; i++)
11307     MapSelectboxGadget(i);
11308
11309   // draw textbutton gadgets
11310   for (i =  ED_TEXTBUTTON_ID_CHANGE_FIRST;
11311        i <= ED_TEXTBUTTON_ID_CHANGE_LAST; i++)
11312     MapTextbuttonGadget(i);
11313
11314   // draw graphicbutton gadgets
11315   for (i =  ED_GRAPHICBUTTON_ID_CHANGE_FIRST;
11316        i <= ED_GRAPHICBUTTON_ID_CHANGE_LAST; i++)
11317     MapGraphicbuttonGadget(i);
11318
11319   // draw drawing area gadgets
11320   DrawPropertiesChangeDrawingAreas();
11321 }
11322
11323 static void DrawEditorElementAnimation(int x, int y)
11324 {
11325   int graphic = el2img(properties_element);
11326   int frame = (ANIM_MODE(graphic) == ANIM_CE_VALUE ?
11327                custom_element.ce_value_fixed_initial :
11328                ANIM_MODE(graphic) == ANIM_CE_SCORE ?
11329                custom_element.collect_score_initial : FrameCounter);
11330
11331   DrawFixedGraphicAnimationExt(drawto, x, y, graphic, frame, NO_MASKING);
11332 }
11333
11334 static void DrawEditorElementName(int x, int y, int font_nr)
11335 {
11336   char *element_name = getElementInfoText(properties_element);
11337   int font_width = getFontWidth(font_nr);
11338   int font_height = getFontHeight(font_nr);
11339   int max_text_width = SXSIZE - x - ED_ELEMENT_SETTINGS_X(0);
11340   int max_chars_per_line = max_text_width / font_width;
11341
11342   if (strlen(element_name) <= max_chars_per_line)
11343     DrawTextS(x, y, font_nr, element_name);
11344   else
11345   {
11346     char buffer[max_chars_per_line + 1];
11347     int next_pos = max_chars_per_line;
11348
11349     strncpy(buffer, element_name, max_chars_per_line);
11350     buffer[max_chars_per_line] = '\0';
11351
11352     if (element_name[max_chars_per_line] == ' ')
11353       next_pos++;
11354     else
11355     {
11356       int i;
11357
11358       for (i = max_chars_per_line - 1; i >= 0; i--)
11359         if (buffer[i] == ' ')
11360           break;
11361
11362       if (strlen(&element_name[i + 1]) <= max_chars_per_line)
11363       {
11364         buffer[i] = '\0';
11365         next_pos = i + 1;
11366       }
11367     }
11368
11369     DrawTextS(x, y - font_height / 2, font_nr, buffer);
11370
11371     strncpy(buffer, &element_name[next_pos], max_chars_per_line);
11372     buffer[max_chars_per_line] = '\0';
11373
11374     DrawTextS(x, y + font_height / 2, font_nr, buffer);
11375   }
11376 }
11377
11378 static void DrawPropertiesWindow(void)
11379 {
11380   struct GraphicInfo *gd = &graphic_info[IMG_EDITOR_INPUT_TEXT];
11381   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
11382   int border_size = gd->border_size;
11383   int font_nr = FONT_TEXT_1;
11384   int font_height = getFontHeight(font_nr);
11385   int xoffset = TILEX + element_border + 3 * border_size;
11386   int yoffset = (TILEY - font_height) / 2;
11387   int x1 = editor.settings.element_graphic.x + element_border;
11388   int y1 = editor.settings.element_graphic.y + element_border;
11389   int x2 = (editor.settings.element_name.x == -1 ? x1 + xoffset :
11390             editor.settings.element_name.x);
11391   int y2 = (editor.settings.element_name.y == -1 ? y1 + yoffset :
11392             editor.settings.element_name.y);
11393   char *text = "Element Settings";
11394   int font2_nr = FONT_TITLE_1;
11395   struct MenuPosInfo *pos = &editor.settings.headline;
11396   int sx = SX + ALIGNED_XPOS(pos->x, getTextWidth(text, font2_nr), pos->align);
11397   int sy = SY + pos->y;
11398
11399   stick_element_properties_window = FALSE;
11400
11401   // make sure that previous properties edit mode exists for this element
11402   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG_2 &&
11403       !IS_CUSTOM_ELEMENT(properties_element))
11404     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_2;
11405
11406   if (edit_mode_properties > ED_MODE_PROPERTIES_CONFIG &&
11407       !IS_PLAYER_ELEMENT(properties_element) &&
11408       !IS_CUSTOM_ELEMENT(properties_element))
11409     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG;
11410
11411   if (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG &&
11412       (IS_PLAYER_ELEMENT(properties_element) ||
11413        IS_CUSTOM_ELEMENT(properties_element)))
11414     edit_mode_properties = ED_MODE_PROPERTIES_CONFIG_1;
11415
11416   CopyElementPropertiesToEditor(properties_element);
11417
11418   UnmapLevelEditorFieldGadgets();
11419   UnmapLevelEditorToolboxDrawingGadgets();
11420   UnmapLevelEditorToolboxCustomGadgets();
11421
11422   MapLevelEditorToolboxCustomGadgetsIfNeeded();
11423
11424   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11425   ClearField();
11426
11427   DrawText(sx, sy, text, font2_nr);
11428
11429   FrameCounter = 0;     // restart animation frame counter
11430
11431   DrawElementBorder(SX + x1, SY + y1, TILEX, TILEY, FALSE);
11432   DrawEditorElementAnimation(SX + x1, SY + y1);
11433   DrawEditorElementName(x2, y2, font_nr);
11434
11435   DrawPropertiesTabulatorGadgets();
11436
11437   if (edit_mode_properties == ED_MODE_PROPERTIES_INFO)
11438     DrawPropertiesInfo();
11439   else if (edit_mode_properties == ED_MODE_PROPERTIES_CHANGE)
11440     DrawPropertiesChange();
11441   else  // (edit_mode_properties == ED_MODE_PROPERTIES_CONFIG[_1|_2])
11442     DrawPropertiesConfig();
11443 }
11444
11445 static void DrawPaletteWindow(void)
11446 {
11447   int i;
11448
11449   UnmapLevelEditorFieldGadgets();
11450
11451   SetMainBackgroundImage(IMG_BACKGROUND_EDITOR);
11452   ClearField();
11453
11454   // map buttons to select elements
11455   for (i = 0; i < ED_NUM_ELEMENTLIST_BUTTONS; i++)
11456     MapGadget(level_editor_gadget[GADGET_ID_ELEMENTLIST_FIRST + i]);
11457   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL]);
11458   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_UP]);
11459   MapGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_DOWN]);
11460 }
11461
11462 static void UpdateCustomElementGraphicGadgets(void)
11463 {
11464   int i;
11465
11466   InitElementPropertiesGfxElement();
11467
11468   ModifyEditorElementList();
11469   RedrawDrawingElements();
11470
11471   // force redraw of all mapped drawing area gadgets
11472   for (i = 0; i < ED_NUM_DRAWING_AREAS; i++)
11473   {
11474     struct GadgetInfo *gi = level_editor_gadget[drawingarea_info[i].gadget_id];
11475
11476     if (gi->mapped)
11477       MapDrawingArea(i);
11478   }
11479 }
11480
11481 static int getOpenDirectionFromTube(int element)
11482 {
11483   switch (element)
11484   {
11485     case EL_TUBE_LEFT_UP:               return (MV_LEFT | MV_UP);
11486     case EL_TUBE_LEFT_DOWN:             return (MV_LEFT | MV_DOWN);
11487     case EL_TUBE_RIGHT_UP:              return (MV_RIGHT | MV_UP);
11488     case EL_TUBE_RIGHT_DOWN:            return (MV_RIGHT | MV_DOWN);
11489     case EL_TUBE_HORIZONTAL:            return (MV_HORIZONTAL);
11490     case EL_TUBE_HORIZONTAL_UP:         return (MV_HORIZONTAL | MV_UP);
11491     case EL_TUBE_HORIZONTAL_DOWN:       return (MV_HORIZONTAL | MV_DOWN);
11492     case EL_TUBE_VERTICAL:              return (MV_VERTICAL);
11493     case EL_TUBE_VERTICAL_LEFT:         return (MV_VERTICAL | MV_LEFT);
11494     case EL_TUBE_VERTICAL_RIGHT:        return (MV_VERTICAL | MV_RIGHT);
11495     case EL_TUBE_ANY:                   return (MV_ANY_DIRECTION);
11496   }
11497
11498   return MV_NONE;
11499 }
11500
11501 static int getTubeFromOpenDirection(int direction)
11502 {
11503   switch (direction)
11504   {
11505     case (MV_LEFT | MV_UP):             return EL_TUBE_LEFT_UP;
11506     case (MV_LEFT | MV_DOWN):           return EL_TUBE_LEFT_DOWN;
11507     case (MV_RIGHT | MV_UP):            return EL_TUBE_RIGHT_UP;
11508     case (MV_RIGHT | MV_DOWN):          return EL_TUBE_RIGHT_DOWN;
11509     case (MV_HORIZONTAL):               return EL_TUBE_HORIZONTAL;
11510     case (MV_HORIZONTAL | MV_UP):       return EL_TUBE_HORIZONTAL_UP;
11511     case (MV_HORIZONTAL | MV_DOWN):     return EL_TUBE_HORIZONTAL_DOWN;
11512     case (MV_VERTICAL):                 return EL_TUBE_VERTICAL;
11513     case (MV_VERTICAL | MV_LEFT):       return EL_TUBE_VERTICAL_LEFT;
11514     case (MV_VERTICAL | MV_RIGHT):      return EL_TUBE_VERTICAL_RIGHT;
11515     case (MV_ANY_DIRECTION):            return EL_TUBE_ANY;
11516
11517     // if only one direction, fall back to simple tube with that direction
11518     case (MV_LEFT):                     return EL_TUBE_HORIZONTAL;
11519     case (MV_RIGHT):                    return EL_TUBE_HORIZONTAL;
11520     case (MV_UP):                       return EL_TUBE_VERTICAL;
11521     case (MV_DOWN):                     return EL_TUBE_VERTICAL;
11522   }
11523
11524   return EL_EMPTY;
11525 }
11526
11527 static int getTubeFromOpenDirectionNotEmpty(int direction, int element_old)
11528 {
11529   int element_new = getTubeFromOpenDirection(direction);
11530
11531   return (element_new != EL_EMPTY ? element_new : element_old);
11532 }
11533
11534 static int getOpenDirectionFromBelt(int element)
11535 {
11536   int belt_dir = getBeltDirFromBeltElement(element);
11537
11538   return (belt_dir == MV_LEFT ? MV_RIGHT :
11539           belt_dir == MV_RIGHT ? MV_LEFT :
11540           belt_dir == MV_NONE ? MV_HORIZONTAL : belt_dir);
11541 }
11542
11543 static int getBeltFromNrAndOpenDirection(int nr, int direction)
11544 {
11545   int belt_dir = (direction == MV_LEFT ? MV_RIGHT :
11546                   direction == MV_RIGHT ? MV_LEFT :
11547                   direction == MV_HORIZONTAL ? MV_NONE : direction);
11548
11549   if (direction == MV_NONE)
11550     return EL_EMPTY;
11551
11552   return getBeltElementFromBeltNrAndBeltDir(nr, belt_dir);
11553 }
11554
11555 static int getBeltFromNrAndOpenDirectionNotEmpty(int nr, int direction,
11556                                                  int element_old)
11557 {
11558   int element_new = getBeltFromNrAndOpenDirection(nr, direction);
11559
11560   return (element_new != EL_EMPTY ? element_new : element_old);
11561 }
11562
11563 static int getOpenDirectionFromPool(int element)
11564 {
11565   switch (element)
11566   {
11567     case EL_ACID_POOL_TOPLEFT:          return (MV_DOWN | MV_RIGHT);
11568     case EL_ACID_POOL_TOPRIGHT:         return (MV_DOWN | MV_LEFT);
11569     case EL_ACID_POOL_BOTTOMLEFT:       return (MV_UP | MV_RIGHT);
11570     case EL_ACID_POOL_BOTTOMRIGHT:      return (MV_UP | MV_LEFT);
11571     case EL_ACID_POOL_BOTTOM:           return (MV_HORIZONTAL | MV_UP);
11572     case EL_ACID:                       return (MV_HORIZONTAL | MV_DOWN);
11573   }
11574
11575   return MV_NONE;
11576 }
11577
11578 static int getPoolFromOpenDirection(int direction)
11579 {
11580   switch (direction)
11581   {
11582     case (MV_DOWN | MV_RIGHT):          return EL_ACID_POOL_TOPLEFT;
11583     case (MV_DOWN | MV_LEFT):           return EL_ACID_POOL_TOPRIGHT;
11584     case (MV_UP | MV_RIGHT):            return EL_ACID_POOL_BOTTOMLEFT;
11585     case (MV_UP | MV_LEFT):             return EL_ACID_POOL_BOTTOMRIGHT;
11586     case (MV_HORIZONTAL | MV_UP):       return EL_ACID_POOL_BOTTOM;
11587     case (MV_HORIZONTAL | MV_DOWN):     return EL_ACID;
11588   }
11589
11590   return EL_EMPTY;
11591 }
11592
11593 static int getPoolFromOpenDirectionExt(int direction, int help_element)
11594 {
11595   int element = getPoolFromOpenDirection(direction);
11596   int help_direction = getOpenDirectionFromPool(help_element);
11597
11598   if (element == EL_EMPTY)
11599   {
11600     int help_direction_vertical = help_direction & MV_VERTICAL;
11601
11602     element = getPoolFromOpenDirection(direction | help_direction_vertical);
11603   }
11604
11605   if (element == EL_EMPTY)
11606   {
11607     int help_direction_horizontal = help_direction & MV_HORIZONTAL;
11608
11609     element = getPoolFromOpenDirection(direction | help_direction_horizontal);
11610   }
11611
11612   return element;
11613 }
11614
11615 static int getPoolFromOpenDirectionNotEmpty(int direction, int element_old)
11616 {
11617   int element_new = getPoolFromOpenDirectionExt(direction, element_old);
11618
11619   return (element_new != EL_EMPTY ? element_new : element_old);
11620 }
11621
11622 static int getOpenDirectionFromPillar(int element)
11623 {
11624   switch (element)
11625   {
11626     case EL_EMC_WALL_1:                 return (MV_DOWN);
11627     case EL_EMC_WALL_2:                 return (MV_VERTICAL);
11628     case EL_EMC_WALL_3:                 return (MV_UP);
11629   }
11630
11631   return MV_NONE;
11632 }
11633
11634 static int getPillarFromOpenDirection(int direction)
11635 {
11636   switch (direction)
11637   {
11638     case (MV_DOWN):                     return EL_EMC_WALL_1;
11639     case (MV_VERTICAL):                 return EL_EMC_WALL_2;
11640     case (MV_UP):                       return EL_EMC_WALL_3;
11641   }
11642
11643   return EL_EMPTY;
11644 }
11645
11646 static int getPillarFromOpenDirectionNotEmpty(int direction, int element_old)
11647 {
11648   int element_new = getPillarFromOpenDirection(direction);
11649
11650   return (element_new != EL_EMPTY ? element_new : element_old);
11651 }
11652
11653 static int getOpenDirectionFromSteel2(int element)
11654 {
11655   switch (element)
11656   {
11657     case EL_DC_STEELWALL_2_LEFT:        return (MV_RIGHT);
11658     case EL_DC_STEELWALL_2_RIGHT:       return (MV_LEFT);
11659     case EL_DC_STEELWALL_2_TOP:         return (MV_DOWN);
11660     case EL_DC_STEELWALL_2_BOTTOM:      return (MV_UP);
11661     case EL_DC_STEELWALL_2_HORIZONTAL:  return (MV_HORIZONTAL);
11662     case EL_DC_STEELWALL_2_VERTICAL:    return (MV_VERTICAL);
11663     case EL_DC_STEELWALL_2_MIDDLE:      return (MV_ANY_DIRECTION);
11664     case EL_DC_STEELWALL_2_SINGLE:      return (MV_NONE);
11665   }
11666
11667   return MV_NONE;
11668 }
11669
11670 static int getSteel2FromOpenDirection(int direction)
11671 {
11672   switch (direction)
11673   {
11674     case (MV_RIGHT):                    return EL_DC_STEELWALL_2_LEFT;
11675     case (MV_LEFT):                     return EL_DC_STEELWALL_2_RIGHT;
11676     case (MV_DOWN):                     return EL_DC_STEELWALL_2_TOP;
11677     case (MV_UP):                       return EL_DC_STEELWALL_2_BOTTOM;
11678     case (MV_HORIZONTAL):               return EL_DC_STEELWALL_2_HORIZONTAL;
11679     case (MV_VERTICAL):                 return EL_DC_STEELWALL_2_VERTICAL;
11680     case (MV_ANY_DIRECTION):            return EL_DC_STEELWALL_2_MIDDLE;
11681     case (MV_NONE):                     return EL_DC_STEELWALL_2_SINGLE;
11682   }
11683
11684   return EL_EMPTY;
11685 }
11686
11687 static int getSteel2FromOpenDirectionNotEmpty(int direction, int element_old)
11688 {
11689   int element_new = getSteel2FromOpenDirection(direction);
11690
11691   return (element_new != EL_EMPTY ? element_new : element_old);
11692 }
11693
11694 static int getOpenDirectionFromChip(int element)
11695 {
11696   switch (element)
11697   {
11698     case EL_SP_CHIP_SINGLE:             return (MV_NONE);
11699     case EL_SP_CHIP_LEFT:               return (MV_RIGHT);
11700     case EL_SP_CHIP_RIGHT:              return (MV_LEFT);
11701     case EL_SP_CHIP_TOP:                return (MV_DOWN);
11702     case EL_SP_CHIP_BOTTOM:             return (MV_UP);
11703   }
11704
11705   return MV_NONE;
11706 }
11707
11708 static int getChipFromOpenDirection(int direction)
11709 {
11710   switch (direction)
11711   {
11712     case (MV_NONE):                     return EL_SP_CHIP_SINGLE;
11713     case (MV_LEFT):                     return EL_SP_CHIP_RIGHT;
11714     case (MV_RIGHT):                    return EL_SP_CHIP_LEFT;
11715     case (MV_UP):                       return EL_SP_CHIP_BOTTOM;
11716     case (MV_DOWN):                     return EL_SP_CHIP_TOP;
11717   }
11718
11719   return EL_EMPTY;
11720 }
11721
11722 static int getChipFromOpenDirectionNotEmpty(int direction, int element_old)
11723 {
11724   int element_new = getChipFromOpenDirection(direction);
11725
11726   return (element_new != EL_EMPTY ? element_new : element_old);
11727 }
11728
11729 static int getClosedTube(int x, int y)
11730 {
11731   struct XY *xy = xy_directions;
11732   int element_old = IntelliDrawBuffer[x][y];
11733   int direction_old = getOpenDirectionFromTube(element_old);
11734   int direction_new = MV_NONE;
11735   int i;
11736
11737   for (i = 0; i < NUM_DIRECTIONS; i++)
11738   {
11739     int xx = x + xy[i].x;
11740     int yy = y + xy[i].y;
11741     int dir = MV_DIR_FROM_BIT(i);
11742     int dir_opposite = MV_DIR_OPPOSITE(dir);
11743
11744     if (IN_LEV_FIELD(xx, yy) && IS_TUBE(IntelliDrawBuffer[xx][yy]) &&
11745         (direction_old & dir) &&
11746         (getOpenDirectionFromTube(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11747       direction_new |= dir;
11748   }
11749
11750   return getTubeFromOpenDirectionNotEmpty(direction_new, element_old);
11751 }
11752
11753 static int getClosedBelt(int x, int y)
11754 {
11755   struct XY *xy = xy_directions;
11756   int element_old = IntelliDrawBuffer[x][y];
11757   int nr = getBeltNrFromBeltElement(element_old);
11758   int direction_old = getOpenDirectionFromBelt(element_old);
11759   int direction_new = MV_NONE;
11760   int i;
11761
11762   for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
11763   {
11764     int xx = x + xy[i].x;
11765     int yy = y + xy[i].y;
11766     int dir = MV_DIR_FROM_BIT(i);
11767     int dir_opposite = MV_DIR_OPPOSITE(dir);
11768
11769     if (IN_LEV_FIELD(xx, yy) && IS_BELT(IntelliDrawBuffer[xx][yy]) &&
11770         (direction_old & dir) &&
11771         (getOpenDirectionFromBelt(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11772       direction_new |= dir;
11773   }
11774
11775   return getBeltFromNrAndOpenDirection(nr, direction_new);
11776 }
11777
11778 static int getClosedPool(int x, int y)
11779 {
11780   struct XY *xy = xy_directions;
11781   int element_old = IntelliDrawBuffer[x][y];
11782   int direction_old = getOpenDirectionFromPool(element_old);
11783   int direction_new = MV_NONE;
11784   int i;
11785
11786   for (i = 0; i < NUM_DIRECTIONS; i++)
11787   {
11788     int xx = x + xy[i].x;
11789     int yy = y + xy[i].y;
11790     int dir = MV_DIR_FROM_BIT(i);
11791     int dir_opposite = MV_DIR_OPPOSITE(dir);
11792
11793     if (IN_LEV_FIELD(xx, yy) &&
11794         IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[xx][yy]) &&
11795         (direction_old & dir) &&
11796         (getOpenDirectionFromPool(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11797       direction_new |= dir;
11798   }
11799
11800   return getPoolFromOpenDirectionNotEmpty(direction_new, element_old);
11801 }
11802
11803 static int getClosedPillar(int x, int y)
11804 {
11805   struct XY *xy = xy_directions;
11806   int element_old = IntelliDrawBuffer[x][y];
11807   int direction_old = getOpenDirectionFromPillar(element_old);
11808   int direction_new = MV_NONE;
11809   int i;
11810
11811   for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
11812   {
11813     int xx = x + xy[i].x;
11814     int yy = y + xy[i].y;
11815     int dir = MV_DIR_FROM_BIT(i);
11816     int dir_opposite = MV_DIR_OPPOSITE(dir);
11817
11818     if (IN_LEV_FIELD(xx, yy) && IS_EMC_PILLAR(IntelliDrawBuffer[xx][yy]) &&
11819         (direction_old & dir) &&
11820         (getOpenDirectionFromPillar(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11821       direction_new |= dir;
11822   }
11823
11824   return getPillarFromOpenDirectionNotEmpty(direction_new, element_old);
11825 }
11826
11827 static int getClosedSteel2(int x, int y)
11828 {
11829   struct XY *xy = xy_directions;
11830   int element_old = IntelliDrawBuffer[x][y];
11831   int direction_old = getOpenDirectionFromSteel2(element_old);
11832   int direction_new = MV_NONE;
11833   int i;
11834
11835   for (i = 0; i < NUM_DIRECTIONS; i++)
11836   {
11837     int xx = x + xy[i].x;
11838     int yy = y + xy[i].y;
11839     int dir = MV_DIR_FROM_BIT(i);
11840     int dir_opposite = MV_DIR_OPPOSITE(dir);
11841
11842     if (IN_LEV_FIELD(xx, yy) && IS_DC_STEELWALL_2(IntelliDrawBuffer[xx][yy]) &&
11843         (direction_old & dir) &&
11844         (getOpenDirectionFromSteel2(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11845       direction_new |= dir;
11846   }
11847
11848   return getSteel2FromOpenDirectionNotEmpty(direction_new, element_old);
11849 }
11850
11851 static int getClosedChip(int x, int y)
11852 {
11853   struct XY *xy = xy_directions;
11854   int element_old = IntelliDrawBuffer[x][y];
11855   int direction_old = getOpenDirectionFromChip(element_old);
11856   int direction_new = MV_NONE;
11857   int i;
11858
11859   for (i = 0; i < NUM_DIRECTIONS; i++)
11860   {
11861     int xx = x + xy[i].x;
11862     int yy = y + xy[i].y;
11863     int dir = MV_DIR_FROM_BIT(i);
11864     int dir_opposite = MV_DIR_OPPOSITE(dir);
11865
11866     if (IN_LEV_FIELD(xx, yy) && IS_SP_CHIP(IntelliDrawBuffer[xx][yy]) &&
11867         (direction_old & dir) &&
11868         (getOpenDirectionFromChip(IntelliDrawBuffer[xx][yy]) & dir_opposite))
11869       direction_new |= dir;
11870   }
11871
11872   return getChipFromOpenDirectionNotEmpty(direction_new, element_old);
11873 }
11874
11875 static void SetElementSimpleExt(int x, int y, int dx, int dy, int element,
11876                                 boolean change_level)
11877 {
11878   int sx = x - level_xpos;
11879   int sy = y - level_ypos;
11880   int old_element = Tile[x][y];
11881   int new_element = element;
11882   unsigned int new_bitmask = (getDrawModeHiRes() ? (dx + 1) << (dy * 2) : 0x0f);
11883   boolean draw_masked = FALSE;
11884
11885   if (IS_MM_WALL_EDITOR(element))
11886   {
11887     element = map_mm_wall_element_editor(element) | new_bitmask;
11888
11889     if (IS_MM_WALL(old_element))
11890       element |= MM_WALL_BITS(old_element);
11891
11892     if (!change_level)
11893       draw_masked = TRUE;
11894   }
11895   else if (IS_MM_WALL(old_element) && element == EL_EMPTY)
11896   {
11897     int element_changed = old_element & ~new_bitmask;
11898
11899     if (MM_WALL_BITS(element_changed) != 0)
11900       element = element_changed;
11901   }
11902
11903   IntelliDrawBuffer[x][y] = element;
11904
11905   if (change_level)
11906     Tile[x][y] = element;
11907
11908   if (IN_ED_FIELD(sx, sy))
11909   {
11910     if (IS_MM_WALL(old_element) && new_element == EL_EMPTY)
11911       DrawSizedWallParts_MM(sx, sy, EL_EMPTY, ed_tilesize, FALSE, new_bitmask);
11912     else if (draw_masked)
11913       DrawEditorElementThruMask(sx, sy, element);
11914     else
11915       DrawEditorElement(sx, sy, element);
11916   }
11917 }
11918
11919 static void SetElementSimple(int x, int y, int element, boolean change_level)
11920 {
11921   SetElementSimpleExt(x, y, 0, 0, element, change_level);
11922 }
11923
11924 static void MergeAndCloseNeighbourElements(int x1, int y1, int *element1,
11925                                            int x2, int y2, int *element2,
11926                                            int (*close_function)(int, int),
11927                                            boolean change_level)
11928 {
11929   // set neighbour elements to newly determined connections
11930   SetElementSimple(x1, y1, *element1, change_level);
11931   SetElementSimple(x2, y2, *element2, change_level);
11932
11933   // remove all open connections of neighbour elements
11934   *element1 = close_function(x1, y1);
11935   *element2 = close_function(x2, y2);
11936
11937   // set neighbour elements to new, minimized connections
11938   SetElementSimple(x1, y1, *element1, change_level);
11939   SetElementSimple(x2, y2, *element2, change_level);
11940 }
11941
11942 static void SetElementIntelliDraw(int x, int y, int dx, int dy, int new_element,
11943                                   boolean change_level, int button)
11944 {
11945   struct XY *xy = xy_directions;
11946   static int last_x = -1;
11947   static int last_y = -1;
11948
11949   if (new_element == EL_UNDEFINED)
11950   {
11951     last_x = -1;
11952     last_y = -1;
11953
11954     return;
11955   }
11956
11957   int old_element = IntelliDrawBuffer[x][y];
11958
11959   if (IS_TUBE(new_element))
11960   {
11961     int last_element_new = EL_UNDEFINED;
11962     int direction = MV_NONE;
11963     int i;
11964
11965     // if old element is of same kind, keep all existing directions
11966     if (IS_TUBE(old_element))
11967       direction |= getOpenDirectionFromTube(old_element);
11968
11969     for (i = 0; i < NUM_DIRECTIONS; i++)
11970     {
11971       int xx = x + xy[i].x;
11972       int yy = y + xy[i].y;
11973
11974       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
11975           IS_TUBE(IntelliDrawBuffer[last_x][last_y]))
11976       {
11977         int dir = MV_DIR_FROM_BIT(i);
11978         int dir_opposite = MV_DIR_OPPOSITE(dir);
11979         int last_element_old = IntelliDrawBuffer[last_x][last_y];
11980         int last_direction_old = getOpenDirectionFromTube(last_element_old);
11981         int last_direction_new = last_direction_old | dir_opposite;
11982
11983         last_element_new = getTubeFromOpenDirection(last_direction_new);
11984
11985         direction |= dir;
11986       }
11987     }
11988
11989     new_element = getTubeFromOpenDirectionNotEmpty(direction, new_element);
11990
11991     if (last_element_new != EL_UNDEFINED)
11992       MergeAndCloseNeighbourElements(x, y, &new_element,
11993                                      last_x, last_y, &last_element_new,
11994                                      getClosedTube, change_level);
11995   }
11996   else if (IS_BELT(new_element))
11997   {
11998     int belt_nr = getBeltNrFromBeltElement(new_element);
11999     int last_element_new = EL_UNDEFINED;
12000     int direction = MV_NONE;
12001     int i;
12002
12003     // if old element is of same kind, keep all existing directions
12004     if (IS_BELT(old_element))
12005       direction |= getOpenDirectionFromBelt(old_element);
12006
12007     for (i = MV_BIT_LEFT; i <= MV_BIT_RIGHT; i++)
12008     {
12009       int xx = x + xy[i].x;
12010       int yy = y + xy[i].y;
12011
12012       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12013           IS_BELT(IntelliDrawBuffer[last_x][last_y]))
12014       {
12015         int dir = MV_DIR_FROM_BIT(i);
12016         int dir_opposite = MV_DIR_OPPOSITE(dir);
12017         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12018         int last_belt_nr = getBeltNrFromBeltElement(last_element_old);
12019         int last_direction_old = getOpenDirectionFromBelt(last_element_old);
12020         int last_direction_new = last_direction_old | dir_opposite;
12021
12022         last_element_new = getBeltFromNrAndOpenDirection(last_belt_nr,
12023                                                          last_direction_new);
12024         direction |= dir;
12025       }
12026     }
12027
12028     new_element = getBeltFromNrAndOpenDirectionNotEmpty(belt_nr, direction,
12029                                                         new_element);
12030     if (last_element_new != EL_UNDEFINED)
12031       MergeAndCloseNeighbourElements(x, y, &new_element,
12032                                      last_x, last_y, &last_element_new,
12033                                      getClosedBelt, change_level);
12034   }
12035   else if (IS_ACID_POOL_OR_ACID(new_element))
12036   {
12037     int last_element_new = EL_UNDEFINED;
12038     int direction = MV_NONE;
12039     int i;
12040
12041     // if old element is of same kind, keep all existing directions
12042     if (IS_ACID_POOL_OR_ACID(old_element))
12043       direction |= getOpenDirectionFromPool(old_element);
12044
12045     for (i = 0; i < NUM_DIRECTIONS; i++)
12046     {
12047       int xx = x + xy[i].x;
12048       int yy = y + xy[i].y;
12049
12050       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12051           IS_ACID_POOL_OR_ACID(IntelliDrawBuffer[last_x][last_y]))
12052       {
12053         int dir = MV_DIR_FROM_BIT(i);
12054         int dir_opposite = MV_DIR_OPPOSITE(dir);
12055         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12056         int last_direction_old = getOpenDirectionFromPool(last_element_old);
12057         int last_direction_new = last_direction_old | dir_opposite;
12058
12059         last_element_new = getPoolFromOpenDirection(last_direction_new);
12060
12061         direction |= dir;
12062       }
12063     }
12064
12065     // special corrections needed for intuitively correct acid pool drawing
12066     if (last_element_new == EL_EMPTY)
12067       last_element_new = new_element;
12068     else if (last_element_new != EL_UNDEFINED)
12069       new_element = last_element_new;
12070
12071     new_element = getPoolFromOpenDirectionNotEmpty(direction, new_element);
12072
12073     if (last_element_new != EL_UNDEFINED)
12074       MergeAndCloseNeighbourElements(x, y, &new_element,
12075                                      last_x, last_y, &last_element_new,
12076                                      getClosedPool, change_level);
12077   }
12078   else if (IS_EMC_PILLAR(new_element))
12079   {
12080     int last_element_new = EL_UNDEFINED;
12081     int direction = MV_NONE;
12082     int i;
12083
12084     // if old element is of same kind, keep all existing directions
12085     if (IS_EMC_PILLAR(old_element))
12086       direction |= getOpenDirectionFromPillar(old_element);
12087
12088     for (i = MV_BIT_UP; i <= MV_BIT_DOWN; i++)
12089     {
12090       int xx = x + xy[i].x;
12091       int yy = y + xy[i].y;
12092
12093       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12094           IS_EMC_PILLAR(IntelliDrawBuffer[last_x][last_y]))
12095       {
12096         int dir = MV_DIR_FROM_BIT(i);
12097         int dir_opposite = MV_DIR_OPPOSITE(dir);
12098         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12099         int last_direction_old = getOpenDirectionFromPillar(last_element_old);
12100         int last_direction_new = last_direction_old | dir_opposite;
12101
12102         last_element_new = getPillarFromOpenDirection(last_direction_new);
12103
12104         direction |= dir;
12105       }
12106     }
12107
12108     new_element = getPillarFromOpenDirectionNotEmpty(direction, new_element);
12109
12110     if (last_element_new != EL_UNDEFINED)
12111       MergeAndCloseNeighbourElements(x, y, &new_element,
12112                                      last_x, last_y, &last_element_new,
12113                                      getClosedPillar, change_level);
12114   }
12115   else if (IS_DC_STEELWALL_2(new_element))
12116   {
12117     int last_element_new = EL_UNDEFINED;
12118     int direction = MV_NONE;
12119     int i;
12120
12121     // if old element is of same kind, keep all existing directions
12122     if (IS_DC_STEELWALL_2(old_element))
12123       direction |= getOpenDirectionFromSteel2(old_element);
12124
12125     for (i = 0; i < NUM_DIRECTIONS; i++)
12126     {
12127       int xx = x + xy[i].x;
12128       int yy = y + xy[i].y;
12129
12130       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12131           IS_DC_STEELWALL_2(IntelliDrawBuffer[last_x][last_y]))
12132       {
12133         int dir = MV_DIR_FROM_BIT(i);
12134         int dir_opposite = MV_DIR_OPPOSITE(dir);
12135         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12136         int last_direction_old = getOpenDirectionFromSteel2(last_element_old);
12137         int last_direction_new = last_direction_old | dir_opposite;
12138
12139         last_element_new = getSteel2FromOpenDirection(last_direction_new);
12140
12141         direction |= dir;
12142       }
12143     }
12144
12145     new_element = getSteel2FromOpenDirectionNotEmpty(direction, new_element);
12146
12147     if (last_element_new != EL_UNDEFINED)
12148       MergeAndCloseNeighbourElements(x, y, &new_element,
12149                                      last_x, last_y, &last_element_new,
12150                                      getClosedSteel2, change_level);
12151   }
12152   else if (IS_SP_CHIP(new_element))
12153   {
12154     int last_element_new = EL_UNDEFINED;
12155     int direction = MV_NONE;
12156     int i;
12157
12158     // (do not keep existing directions, regardless of kind of old element)
12159
12160     for (i = 0; i < NUM_DIRECTIONS; i++)
12161     {
12162       int xx = x + xy[i].x;
12163       int yy = y + xy[i].y;
12164
12165       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12166           IS_SP_CHIP(IntelliDrawBuffer[last_x][last_y]))
12167       {
12168         int dir = MV_DIR_FROM_BIT(i);
12169         int dir_opposite = MV_DIR_OPPOSITE(dir);
12170         int last_element_old = IntelliDrawBuffer[last_x][last_y];
12171         int last_direction_old = getOpenDirectionFromChip(last_element_old);
12172         int last_direction_new = last_direction_old | dir_opposite;
12173
12174         if (last_direction_old == MV_NONE)
12175         {
12176           last_element_new = getChipFromOpenDirection(last_direction_new);
12177           direction |= dir;
12178         }
12179         else if (last_direction_old & (dir | dir_opposite))
12180         {
12181           direction |= MV_DIR_OPPOSITE(last_direction_old);
12182         }
12183         else
12184         {
12185           direction |= MV_DIR_OPPOSITE(dir);
12186         }
12187       }
12188     }
12189
12190     new_element = getChipFromOpenDirectionNotEmpty(direction, new_element);
12191
12192     if (last_element_new != EL_UNDEFINED)
12193       MergeAndCloseNeighbourElements(x, y, &new_element,
12194                                      last_x, last_y, &last_element_new,
12195                                      getClosedChip, change_level);
12196   }
12197   else if (IS_SP_HARDWARE_BASE(new_element))
12198   {
12199     int nr = GetSimpleRandom(6);
12200
12201     new_element = (nr == 0 ? EL_SP_HARDWARE_BASE_1 :
12202                    nr == 1 ? EL_SP_HARDWARE_BASE_2 :
12203                    nr == 2 ? EL_SP_HARDWARE_BASE_3 :
12204                    nr == 3 ? EL_SP_HARDWARE_BASE_4 :
12205                    nr == 4 ? EL_SP_HARDWARE_BASE_5 : EL_SP_HARDWARE_BASE_6);
12206   }
12207   else if (new_element == EL_SP_HARDWARE_GREEN ||
12208            new_element == EL_SP_HARDWARE_BLUE ||
12209            new_element == EL_SP_HARDWARE_RED)
12210   {
12211     int nr = GetSimpleRandom(3);
12212
12213     new_element = (nr == 0 ? EL_SP_HARDWARE_GREEN :
12214                    nr == 1 ? EL_SP_HARDWARE_BLUE : EL_SP_HARDWARE_RED);
12215   }
12216   else if (IS_GROUP_ELEMENT(new_element))
12217   {
12218     boolean connected_drawing = FALSE;
12219     int i;
12220
12221     for (i = 0; i < NUM_DIRECTIONS; i++)
12222     {
12223       int xx = x + xy[i].x;
12224       int yy = y + xy[i].y;
12225
12226       if (last_x == xx && last_y == yy && IN_LEV_FIELD(last_x, last_y) &&
12227           IS_IN_GROUP_EL(IntelliDrawBuffer[last_x][last_y], new_element))
12228         connected_drawing = TRUE;
12229     }
12230
12231     if (!connected_drawing)
12232       ResolveGroupElement(new_element);
12233
12234     new_element = GetElementFromGroupElement(new_element);
12235   }
12236   else if (IS_BELT_SWITCH(old_element))
12237   {
12238     int belt_nr = getBeltNrFromBeltSwitchElement(old_element);
12239     int belt_dir = getBeltDirFromBeltSwitchElement(old_element);
12240
12241     belt_dir = (belt_dir == MV_LEFT ? MV_NONE :
12242                 belt_dir == MV_NONE ? MV_RIGHT : MV_LEFT);
12243
12244     new_element = getBeltSwitchElementFromBeltNrAndBeltDir(belt_nr, belt_dir);
12245   }
12246   else
12247   {
12248     static int swappable_elements[][2] =
12249     {
12250       { EL_EXIT_CLOSED,                 EL_EXIT_OPEN                    },
12251       { EL_DYNAMITE,                    EL_DYNAMITE_ACTIVE              },
12252       { EL_EM_DYNAMITE,                 EL_EM_DYNAMITE_ACTIVE           },
12253       { EL_QUICKSAND_EMPTY,             EL_QUICKSAND_FULL               },
12254       { EL_EMERALD,                     EL_WALL_EMERALD                 },
12255       { EL_EMERALD_YELLOW,              EL_WALL_EMERALD_YELLOW          },
12256       { EL_EMERALD_RED,                 EL_WALL_EMERALD_RED             },
12257       { EL_EMERALD_PURPLE,              EL_WALL_EMERALD_PURPLE          },
12258       { EL_DIAMOND,                     EL_WALL_DIAMOND                 },
12259       { EL_BD_DIAMOND,                  EL_WALL_BD_DIAMOND              },
12260       { EL_GATE_1,                      EL_GATE_1_GRAY                  },
12261       { EL_GATE_2,                      EL_GATE_2_GRAY                  },
12262       { EL_GATE_3,                      EL_GATE_3_GRAY                  },
12263       { EL_GATE_4,                      EL_GATE_4_GRAY                  },
12264       { EL_EM_GATE_1,                   EL_EM_GATE_1_GRAY               },
12265       { EL_EM_GATE_2,                   EL_EM_GATE_2_GRAY               },
12266       { EL_EM_GATE_3,                   EL_EM_GATE_3_GRAY               },
12267       { EL_EM_GATE_4,                   EL_EM_GATE_4_GRAY               },
12268       { EL_EMC_GATE_5,                  EL_EMC_GATE_5_GRAY              },
12269       { EL_EMC_GATE_6,                  EL_EMC_GATE_6_GRAY              },
12270       { EL_EMC_GATE_7,                  EL_EMC_GATE_7_GRAY              },
12271       { EL_EMC_GATE_8,                  EL_EMC_GATE_8_GRAY              },
12272       { EL_DC_GATE_WHITE,               EL_DC_GATE_WHITE_GRAY           },
12273       { EL_TIME_ORB_EMPTY,              EL_TIME_ORB_FULL                },
12274       { EL_LAMP,                        EL_LAMP_ACTIVE                  },
12275       { EL_SOKOBAN_FIELD_EMPTY,         EL_SOKOBAN_FIELD_FULL           },
12276       { EL_SP_BASE,                     EL_SP_BUGGY_BASE                },
12277       { EL_PEARL,                       EL_WALL_PEARL                   },
12278       { EL_CRYSTAL,                     EL_WALL_CRYSTAL                 },
12279       { EL_TIMEGATE_CLOSED,             EL_TIMEGATE_OPEN                },
12280       { EL_SWITCHGATE_CLOSED,           EL_SWITCHGATE_OPEN              },
12281       { EL_SWITCHGATE_SWITCH_UP,        EL_SWITCHGATE_SWITCH_DOWN       },
12282       { EL_DC_SWITCHGATE_SWITCH_UP,     EL_DC_SWITCHGATE_SWITCH_DOWN    },
12283       { EL_LIGHT_SWITCH,                EL_LIGHT_SWITCH_ACTIVE          },
12284       { EL_LANDMINE,                    EL_DC_LANDMINE                  },
12285       { EL_SHIELD_NORMAL,               EL_SHIELD_DEADLY                },
12286       { EL_STEEL_EXIT_CLOSED,           EL_STEEL_EXIT_OPEN              },
12287       { EL_EM_EXIT_CLOSED,              EL_EM_EXIT_OPEN                 },
12288       { EL_EM_STEEL_EXIT_CLOSED,        EL_EM_STEEL_EXIT_OPEN           },
12289       { EL_QUICKSAND_FAST_EMPTY,        EL_QUICKSAND_FAST_FULL          },
12290       { EL_MM_EXIT_CLOSED,              EL_MM_EXIT_OPEN                 },
12291       { EL_MM_FUSE,                     EL_MM_FUSE_ACTIVE               },
12292       { EL_MM_LIGHTBULB,                EL_MM_LIGHTBULB_ACTIVE          },
12293       { EL_MM_FUEL_EMPTY,               EL_MM_FUEL_FULL                 },
12294
12295       { -1,                             -1                              },
12296     };
12297     static int rotatable_elements_4[][4] =
12298     {
12299       {
12300         EL_BUG_UP,
12301         EL_BUG_RIGHT,
12302         EL_BUG_DOWN,
12303         EL_BUG_LEFT
12304       },
12305       {
12306         EL_SPACESHIP_UP,
12307         EL_SPACESHIP_RIGHT,
12308         EL_SPACESHIP_DOWN,
12309         EL_SPACESHIP_LEFT
12310       },
12311       {
12312         EL_BD_BUTTERFLY_UP,
12313         EL_BD_BUTTERFLY_RIGHT,
12314         EL_BD_BUTTERFLY_DOWN,
12315         EL_BD_BUTTERFLY_LEFT
12316       },
12317       {
12318         EL_BD_FIREFLY_UP,
12319         EL_BD_FIREFLY_RIGHT,
12320         EL_BD_FIREFLY_DOWN,
12321         EL_BD_FIREFLY_LEFT
12322       },
12323       {
12324         EL_PACMAN_UP,
12325         EL_PACMAN_RIGHT,
12326         EL_PACMAN_DOWN,
12327         EL_PACMAN_LEFT
12328       },
12329       {
12330         EL_YAMYAM_UP,
12331         EL_YAMYAM_RIGHT,
12332         EL_YAMYAM_DOWN,
12333         EL_YAMYAM_LEFT
12334       },
12335       {
12336         EL_ARROW_UP,
12337         EL_ARROW_RIGHT,
12338         EL_ARROW_DOWN,
12339         EL_ARROW_LEFT
12340       },
12341       {
12342         EL_SP_PORT_UP,
12343         EL_SP_PORT_RIGHT,
12344         EL_SP_PORT_DOWN,
12345         EL_SP_PORT_LEFT
12346       },
12347       {
12348         EL_SP_GRAVITY_PORT_UP,
12349         EL_SP_GRAVITY_PORT_RIGHT,
12350         EL_SP_GRAVITY_PORT_DOWN,
12351         EL_SP_GRAVITY_PORT_LEFT
12352       },
12353       {
12354         EL_SP_GRAVITY_ON_PORT_UP,
12355         EL_SP_GRAVITY_ON_PORT_RIGHT,
12356         EL_SP_GRAVITY_ON_PORT_DOWN,
12357         EL_SP_GRAVITY_ON_PORT_LEFT
12358       },
12359       {
12360         EL_SP_GRAVITY_OFF_PORT_UP,
12361         EL_SP_GRAVITY_OFF_PORT_RIGHT,
12362         EL_SP_GRAVITY_OFF_PORT_DOWN,
12363         EL_SP_GRAVITY_OFF_PORT_LEFT
12364       },
12365       {
12366         EL_MOLE_UP,
12367         EL_MOLE_RIGHT,
12368         EL_MOLE_DOWN,
12369         EL_MOLE_LEFT
12370       },
12371       {
12372         EL_BALLOON_SWITCH_UP,
12373         EL_BALLOON_SWITCH_RIGHT,
12374         EL_BALLOON_SWITCH_DOWN,
12375         EL_BALLOON_SWITCH_LEFT
12376       },
12377       {
12378         EL_MM_MCDUFFIN_UP,
12379         EL_MM_MCDUFFIN_RIGHT,
12380         EL_MM_MCDUFFIN_DOWN,
12381         EL_MM_MCDUFFIN_LEFT
12382       },
12383       {
12384         EL_MM_MIRROR_FIXED_1,
12385         EL_MM_MIRROR_FIXED_4,
12386         EL_MM_MIRROR_FIXED_3,
12387         EL_MM_MIRROR_FIXED_2
12388       },
12389       {
12390         EL_MM_STEEL_GRID_FIXED_1,
12391         EL_MM_STEEL_GRID_FIXED_4,
12392         EL_MM_STEEL_GRID_FIXED_2,
12393         EL_MM_STEEL_GRID_FIXED_3
12394       },
12395       {
12396         EL_MM_WOODEN_GRID_FIXED_1,
12397         EL_MM_WOODEN_GRID_FIXED_4,
12398         EL_MM_WOODEN_GRID_FIXED_2,
12399         EL_MM_WOODEN_GRID_FIXED_3
12400       },
12401       {
12402         EL_MM_POLARIZER_CROSS_1,
12403         EL_MM_POLARIZER_CROSS_4,
12404         EL_MM_POLARIZER_CROSS_3,
12405         EL_MM_POLARIZER_CROSS_2
12406       },
12407       {
12408         EL_MM_PACMAN_UP,
12409         EL_MM_PACMAN_RIGHT,
12410         EL_MM_PACMAN_DOWN,
12411         EL_MM_PACMAN_LEFT
12412       },
12413       {
12414         EL_DF_LASER_UP,
12415         EL_DF_LASER_RIGHT,
12416         EL_DF_LASER_DOWN,
12417         EL_DF_LASER_LEFT
12418       },
12419       {
12420         EL_DF_RECEIVER_UP,
12421         EL_DF_RECEIVER_RIGHT,
12422         EL_DF_RECEIVER_DOWN,
12423         EL_DF_RECEIVER_LEFT
12424       },
12425       {
12426         EL_DF_SLOPE_1,
12427         EL_DF_SLOPE_4,
12428         EL_DF_SLOPE_3,
12429         EL_DF_SLOPE_2
12430       },
12431
12432       {
12433         -1,
12434       },
12435     };
12436     static int rotatable_elements_8[][8] =
12437     {
12438       {
12439         EL_DF_STEEL_GRID_FIXED_1,
12440         EL_DF_STEEL_GRID_FIXED_8,
12441         EL_DF_STEEL_GRID_FIXED_7,
12442         EL_DF_STEEL_GRID_FIXED_6,
12443         EL_DF_STEEL_GRID_FIXED_5,
12444         EL_DF_STEEL_GRID_FIXED_4,
12445         EL_DF_STEEL_GRID_FIXED_3,
12446         EL_DF_STEEL_GRID_FIXED_2
12447       },
12448       {
12449         EL_DF_WOODEN_GRID_FIXED_1,
12450         EL_DF_WOODEN_GRID_FIXED_8,
12451         EL_DF_WOODEN_GRID_FIXED_7,
12452         EL_DF_WOODEN_GRID_FIXED_6,
12453         EL_DF_WOODEN_GRID_FIXED_5,
12454         EL_DF_WOODEN_GRID_FIXED_4,
12455         EL_DF_WOODEN_GRID_FIXED_3,
12456         EL_DF_WOODEN_GRID_FIXED_2
12457       },
12458       {
12459         EL_DF_STEEL_GRID_ROTATING_1,
12460         EL_DF_STEEL_GRID_ROTATING_8,
12461         EL_DF_STEEL_GRID_ROTATING_7,
12462         EL_DF_STEEL_GRID_ROTATING_6,
12463         EL_DF_STEEL_GRID_ROTATING_5,
12464         EL_DF_STEEL_GRID_ROTATING_4,
12465         EL_DF_STEEL_GRID_ROTATING_3,
12466         EL_DF_STEEL_GRID_ROTATING_2
12467       },
12468       {
12469         EL_DF_WOODEN_GRID_ROTATING_1,
12470         EL_DF_WOODEN_GRID_ROTATING_8,
12471         EL_DF_WOODEN_GRID_ROTATING_7,
12472         EL_DF_WOODEN_GRID_ROTATING_6,
12473         EL_DF_WOODEN_GRID_ROTATING_5,
12474         EL_DF_WOODEN_GRID_ROTATING_4,
12475         EL_DF_WOODEN_GRID_ROTATING_3,
12476         EL_DF_WOODEN_GRID_ROTATING_2
12477       },
12478
12479       {
12480         -1,
12481       },
12482     };
12483     static int rotatable_elements_16[][16] =
12484     {
12485       {
12486         EL_MM_MIRROR_1,
12487         EL_MM_MIRROR_16,
12488         EL_MM_MIRROR_15,
12489         EL_MM_MIRROR_14,
12490         EL_MM_MIRROR_13,
12491         EL_MM_MIRROR_12,
12492         EL_MM_MIRROR_11,
12493         EL_MM_MIRROR_10,
12494         EL_MM_MIRROR_9,
12495         EL_MM_MIRROR_8,
12496         EL_MM_MIRROR_7,
12497         EL_MM_MIRROR_6,
12498         EL_MM_MIRROR_5,
12499         EL_MM_MIRROR_4,
12500         EL_MM_MIRROR_3,
12501         EL_MM_MIRROR_2
12502       },
12503       {
12504         EL_MM_TELEPORTER_5,
12505         EL_MM_TELEPORTER_4,
12506         EL_MM_TELEPORTER_3,
12507         EL_MM_TELEPORTER_2,
12508         EL_MM_TELEPORTER_1,
12509         EL_MM_TELEPORTER_16,
12510         EL_MM_TELEPORTER_15,
12511         EL_MM_TELEPORTER_14,
12512         EL_MM_TELEPORTER_13,
12513         EL_MM_TELEPORTER_12,
12514         EL_MM_TELEPORTER_11,
12515         EL_MM_TELEPORTER_10,
12516         EL_MM_TELEPORTER_9,
12517         EL_MM_TELEPORTER_8,
12518         EL_MM_TELEPORTER_7,
12519         EL_MM_TELEPORTER_6
12520       },
12521       {
12522         EL_MM_TELEPORTER_RED_5,
12523         EL_MM_TELEPORTER_RED_4,
12524         EL_MM_TELEPORTER_RED_3,
12525         EL_MM_TELEPORTER_RED_2,
12526         EL_MM_TELEPORTER_RED_1,
12527         EL_MM_TELEPORTER_RED_16,
12528         EL_MM_TELEPORTER_RED_15,
12529         EL_MM_TELEPORTER_RED_14,
12530         EL_MM_TELEPORTER_RED_13,
12531         EL_MM_TELEPORTER_RED_12,
12532         EL_MM_TELEPORTER_RED_11,
12533         EL_MM_TELEPORTER_RED_10,
12534         EL_MM_TELEPORTER_RED_9,
12535         EL_MM_TELEPORTER_RED_8,
12536         EL_MM_TELEPORTER_RED_7,
12537         EL_MM_TELEPORTER_RED_6
12538       },
12539       {
12540         EL_MM_TELEPORTER_YELLOW_5,
12541         EL_MM_TELEPORTER_YELLOW_4,
12542         EL_MM_TELEPORTER_YELLOW_3,
12543         EL_MM_TELEPORTER_YELLOW_2,
12544         EL_MM_TELEPORTER_YELLOW_1,
12545         EL_MM_TELEPORTER_YELLOW_16,
12546         EL_MM_TELEPORTER_YELLOW_15,
12547         EL_MM_TELEPORTER_YELLOW_14,
12548         EL_MM_TELEPORTER_YELLOW_13,
12549         EL_MM_TELEPORTER_YELLOW_12,
12550         EL_MM_TELEPORTER_YELLOW_11,
12551         EL_MM_TELEPORTER_YELLOW_10,
12552         EL_MM_TELEPORTER_YELLOW_9,
12553         EL_MM_TELEPORTER_YELLOW_8,
12554         EL_MM_TELEPORTER_YELLOW_7,
12555         EL_MM_TELEPORTER_YELLOW_6
12556       },
12557       {
12558         EL_MM_TELEPORTER_GREEN_5,
12559         EL_MM_TELEPORTER_GREEN_4,
12560         EL_MM_TELEPORTER_GREEN_3,
12561         EL_MM_TELEPORTER_GREEN_2,
12562         EL_MM_TELEPORTER_GREEN_1,
12563         EL_MM_TELEPORTER_GREEN_16,
12564         EL_MM_TELEPORTER_GREEN_15,
12565         EL_MM_TELEPORTER_GREEN_14,
12566         EL_MM_TELEPORTER_GREEN_13,
12567         EL_MM_TELEPORTER_GREEN_12,
12568         EL_MM_TELEPORTER_GREEN_11,
12569         EL_MM_TELEPORTER_GREEN_10,
12570         EL_MM_TELEPORTER_GREEN_9,
12571         EL_MM_TELEPORTER_GREEN_8,
12572         EL_MM_TELEPORTER_GREEN_7,
12573         EL_MM_TELEPORTER_GREEN_6
12574       },
12575       {
12576         EL_MM_TELEPORTER_BLUE_5,
12577         EL_MM_TELEPORTER_BLUE_4,
12578         EL_MM_TELEPORTER_BLUE_3,
12579         EL_MM_TELEPORTER_BLUE_2,
12580         EL_MM_TELEPORTER_BLUE_1,
12581         EL_MM_TELEPORTER_BLUE_16,
12582         EL_MM_TELEPORTER_BLUE_15,
12583         EL_MM_TELEPORTER_BLUE_14,
12584         EL_MM_TELEPORTER_BLUE_13,
12585         EL_MM_TELEPORTER_BLUE_12,
12586         EL_MM_TELEPORTER_BLUE_11,
12587         EL_MM_TELEPORTER_BLUE_10,
12588         EL_MM_TELEPORTER_BLUE_9,
12589         EL_MM_TELEPORTER_BLUE_8,
12590         EL_MM_TELEPORTER_BLUE_7,
12591         EL_MM_TELEPORTER_BLUE_6
12592       },
12593       {
12594         EL_MM_POLARIZER_1,
12595         EL_MM_POLARIZER_16,
12596         EL_MM_POLARIZER_15,
12597         EL_MM_POLARIZER_14,
12598         EL_MM_POLARIZER_13,
12599         EL_MM_POLARIZER_12,
12600         EL_MM_POLARIZER_11,
12601         EL_MM_POLARIZER_10,
12602         EL_MM_POLARIZER_9,
12603         EL_MM_POLARIZER_8,
12604         EL_MM_POLARIZER_7,
12605         EL_MM_POLARIZER_6,
12606         EL_MM_POLARIZER_5,
12607         EL_MM_POLARIZER_4,
12608         EL_MM_POLARIZER_3,
12609         EL_MM_POLARIZER_2
12610       },
12611       {
12612         EL_DF_MIRROR_1,
12613         EL_DF_MIRROR_16,
12614         EL_DF_MIRROR_15,
12615         EL_DF_MIRROR_14,
12616         EL_DF_MIRROR_13,
12617         EL_DF_MIRROR_12,
12618         EL_DF_MIRROR_11,
12619         EL_DF_MIRROR_10,
12620         EL_DF_MIRROR_9,
12621         EL_DF_MIRROR_8,
12622         EL_DF_MIRROR_7,
12623         EL_DF_MIRROR_6,
12624         EL_DF_MIRROR_5,
12625         EL_DF_MIRROR_4,
12626         EL_DF_MIRROR_3,
12627         EL_DF_MIRROR_2
12628       },
12629       {
12630         EL_DF_MIRROR_ROTATING_1,
12631         EL_DF_MIRROR_ROTATING_16,
12632         EL_DF_MIRROR_ROTATING_15,
12633         EL_DF_MIRROR_ROTATING_14,
12634         EL_DF_MIRROR_ROTATING_13,
12635         EL_DF_MIRROR_ROTATING_12,
12636         EL_DF_MIRROR_ROTATING_11,
12637         EL_DF_MIRROR_ROTATING_10,
12638         EL_DF_MIRROR_ROTATING_9,
12639         EL_DF_MIRROR_ROTATING_8,
12640         EL_DF_MIRROR_ROTATING_7,
12641         EL_DF_MIRROR_ROTATING_6,
12642         EL_DF_MIRROR_ROTATING_5,
12643         EL_DF_MIRROR_ROTATING_4,
12644         EL_DF_MIRROR_ROTATING_3,
12645         EL_DF_MIRROR_ROTATING_2
12646       },
12647       {
12648         EL_DF_MIRROR_FIXED_1,
12649         EL_DF_MIRROR_FIXED_16,
12650         EL_DF_MIRROR_FIXED_15,
12651         EL_DF_MIRROR_FIXED_14,
12652         EL_DF_MIRROR_FIXED_13,
12653         EL_DF_MIRROR_FIXED_12,
12654         EL_DF_MIRROR_FIXED_11,
12655         EL_DF_MIRROR_FIXED_10,
12656         EL_DF_MIRROR_FIXED_9,
12657         EL_DF_MIRROR_FIXED_8,
12658         EL_DF_MIRROR_FIXED_7,
12659         EL_DF_MIRROR_FIXED_6,
12660         EL_DF_MIRROR_FIXED_5,
12661         EL_DF_MIRROR_FIXED_4,
12662         EL_DF_MIRROR_FIXED_3,
12663         EL_DF_MIRROR_FIXED_2
12664       },
12665
12666       {
12667         -1,
12668       },
12669     };
12670     int i, j;
12671
12672     for (i = 0; swappable_elements[i][0] != -1; i++)
12673     {
12674       int element1 = swappable_elements[i][0];
12675       int element2 = swappable_elements[i][1];
12676
12677       if (old_element == element1 || old_element == element2)
12678         new_element = (old_element == element1 ? element2 : element1);
12679     }
12680
12681     for (i = 0; rotatable_elements_4[i][0] != -1; i++)
12682     {
12683       for (j = 0; j < 4; j++)
12684       {
12685         int element = rotatable_elements_4[i][j];
12686
12687         if (old_element == element)
12688           new_element = (button == 1 ? rotatable_elements_4[i][(j + 3) % 4] :
12689                          button == 2 ? rotatable_elements_4[i][0]           :
12690                          button == 3 ? rotatable_elements_4[i][(j + 1) % 4] :
12691                          old_element);
12692       }
12693     }
12694
12695     for (i = 0; rotatable_elements_8[i][0] != -1; i++)
12696     {
12697       for (j = 0; j < 8; j++)
12698       {
12699         int element = rotatable_elements_8[i][j];
12700
12701         if (old_element == element)
12702           new_element = (button == 1 ? rotatable_elements_8[i][(j + 7) % 8] :
12703                          button == 2 ? rotatable_elements_8[i][0]           :
12704                          button == 3 ? rotatable_elements_8[i][(j + 1) % 8] :
12705                          old_element);
12706       }
12707     }
12708
12709     for (i = 0; rotatable_elements_16[i][0] != -1; i++)
12710     {
12711       for (j = 0; j < 16; j++)
12712       {
12713         int element = rotatable_elements_16[i][j];
12714
12715         if (old_element == element)
12716           new_element = (button == 1 ? rotatable_elements_16[i][(j + 15) % 16] :
12717                          button == 2 ? rotatable_elements_16[i][0]             :
12718                          button == 3 ? rotatable_elements_16[i][(j + 1)  % 16] :
12719                          old_element);
12720       }
12721     }
12722
12723     if (old_element != new_element)
12724     {
12725       int max_infotext_len = getMaxInfoTextLength();
12726       char infotext[MAX_OUTPUT_LINESIZE + 1];
12727
12728       strncpy(infotext, getElementInfoText(new_element), max_infotext_len);
12729       infotext[max_infotext_len] = '\0';
12730
12731       ClearEditorGadgetInfoText();
12732
12733       DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT,
12734                 infotext);
12735     }
12736   }
12737
12738   if (IS_MM_WALL_EDITOR(new_element))
12739     SetElementSimpleExt(x, y, dx, dy, new_element, change_level);
12740   else
12741     SetElementSimple(x, y, new_element, change_level);
12742
12743   last_x = x;
12744   last_y = y;
12745 }
12746
12747 static void ResetIntelliDraw(void)
12748 {
12749   int x, y;
12750
12751   for (x = 0; x < lev_fieldx; x++)
12752     for (y = 0; y < lev_fieldy; y++)
12753       IntelliDrawBuffer[x][y] = Tile[x][y];
12754
12755   SetElementIntelliDraw(-1, -1, -1, -1, EL_UNDEFINED, FALSE, -1);
12756 }
12757
12758 static boolean draw_mode_hires = FALSE;
12759
12760 static boolean isHiresTileElement(int element)
12761 {
12762   return (IS_MM_WALL(element)        || element == EL_EMPTY);
12763 }
12764
12765 static boolean isHiresDrawElement(int element)
12766 {
12767   return (IS_MM_WALL_EDITOR(element) || element == EL_EMPTY);
12768 }
12769
12770 static int numHiresTiles(int element)
12771 {
12772   if (IS_MM_WALL(element))
12773     return get_number_of_bits(MM_WALL_BITS(element));
12774
12775   return 1;
12776 }
12777
12778 static void SetDrawModeHiRes(int element)
12779 {
12780   draw_mode_hires =
12781     (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
12782      isHiresDrawElement(element));
12783 }
12784
12785 static boolean getDrawModeHiRes(void)
12786 {
12787   return draw_mode_hires;
12788 }
12789
12790 static int getLoResScreenPos(int pos)
12791 {
12792   return (getDrawModeHiRes() ? pos / 2 : pos);
12793 }
12794
12795 static int getLoResScreenMod(int pos)
12796 {
12797   return (getDrawModeHiRes() ? pos % 2 : 0);
12798 }
12799
12800 static void SetElementExt(int x, int y, int dx, int dy, int element,
12801                           boolean change_level, int button)
12802 {
12803   if (element < 0)
12804     SetElementSimple(x, y, Tile[x][y], change_level);
12805   else if (GetKeyModState() & KMOD_Shift)
12806     SetElementIntelliDraw(x, y, dx, dy, element, change_level, button);
12807   else
12808     SetElementSimpleExt(x, y, dx, dy, element, change_level);
12809 }
12810
12811 static void SetElement(int x, int y, int element)
12812 {
12813   SetElementExt(x, y, 0, 0, element, TRUE, -1);
12814 }
12815
12816 static void SetElementButton(int x, int y, int dx, int dy, int element,
12817                              int button)
12818 {
12819   SetElementExt(x, y, dx, dy, element, TRUE, button);
12820 }
12821
12822 static void SetElementHiRes(int sx2, int sy2, int element, boolean change_level)
12823 {
12824   int lx = getLoResScreenPos(sx2) + level_xpos;
12825   int ly = getLoResScreenPos(sy2) + level_ypos;
12826   int dx = getLoResScreenMod(sx2);
12827   int dy = getLoResScreenMod(sy2);
12828
12829   SetElementExt(lx, ly, dx, dy, element, change_level, -1);
12830 }
12831
12832 static void SetLevelElementHiRes(int lx2, int ly2, int element)
12833 {
12834   int lx = lx2 / 2;
12835   int ly = ly2 / 2;
12836   int dx = lx2 % 2;
12837   int dy = ly2 % 2;
12838
12839   SetElementExt(lx, ly, dx, dy, element, TRUE, -1);
12840 }
12841
12842 static int getLevelElementHiRes(int lx2, int ly2)
12843 {
12844   int lx = lx2 / 2;
12845   int ly = ly2 / 2;
12846   int dx = lx2 % 2;
12847   int dy = ly2 % 2;
12848   int element = Tile[lx][ly];
12849   unsigned int bitmask = (dx + 1) << (dy * 2);
12850
12851   if (IS_MM_WALL(element))
12852   {
12853     if (element & bitmask)
12854       return map_mm_wall_element(element);
12855     else
12856       return EL_EMPTY;
12857   }
12858
12859   return element;
12860 }
12861
12862 static void DrawLineElement(int x, int y, int element, boolean change_level)
12863 {
12864   SetElementHiRes(x, y, element, change_level);
12865 }
12866
12867 static void DrawLine(int from_x, int from_y, int to_x, int to_y,
12868                      int element, boolean change_level)
12869 {
12870   int xsize = ABS(to_x - from_x);
12871   int ysize = ABS(to_y - from_y);
12872   int dx = (to_x < from_x ? -1 : +1);
12873   int dy = (to_y < from_y ? -1 : +1);
12874   int i;
12875
12876   if (from_y == to_y)                   // horizontal line
12877   {
12878     for (i = 0; i <= xsize; i++)
12879       DrawLineElement(from_x + i * dx, from_y, element, change_level);
12880   }
12881   else if (from_x == to_x)              // vertical line
12882   {
12883     for (i = 0; i <= ysize; i++)
12884       DrawLineElement(from_x, from_y + i * dy, element, change_level);
12885   }
12886   else                                  // diagonal line
12887   {
12888     if (ysize < xsize)                  // a < 1
12889     {
12890       float a = (float)ysize / (float)xsize;
12891
12892       for (i = 0; i <= xsize; i++)
12893       {
12894         int x = dx * i;
12895         int y = dy * (int)(a * i + 0.5);
12896
12897         DrawLineElement(from_x + x, from_y + y, element, change_level);
12898       }
12899     }
12900     else                                // a >= 1
12901     {
12902       float a = (float)xsize / (float)ysize;
12903
12904       for (i = 0; i <= ysize; i++)
12905       {
12906         int x = dx * (int)(a * i + 0.5);
12907         int y = dy * i;
12908
12909         DrawLineElement(from_x + x, from_y + y, element, change_level);
12910       }
12911     }
12912   }
12913 }
12914
12915 static void DrawBox(int from_x, int from_y, int to_x, int to_y,
12916                     int element, boolean change_level)
12917 {
12918   DrawLine(from_x, from_y, from_x, to_y, element, change_level);
12919   DrawLine(from_x, to_y, to_x, to_y, element, change_level);
12920   DrawLine(to_x, to_y, to_x, from_y, element, change_level);
12921   DrawLine(to_x, from_y, from_x, from_y, element, change_level);
12922 }
12923
12924 static void DrawFilledBox(int from_x, int from_y, int to_x, int to_y,
12925                           int element, boolean change_level)
12926 {
12927   int y;
12928
12929   if (from_y > to_y)
12930     swap_number_pairs(&from_x, &from_y, &to_x, &to_y);
12931
12932   for (y = from_y; y <= to_y; y++)
12933     DrawLine(from_x, y, to_x, y, element, change_level);
12934 }
12935
12936 static void DrawArcExt(int from_x, int from_y, int to_x2, int to_y2,
12937                        int element, boolean change_level)
12938 {
12939   int to_x = to_x2 - (to_x2 > from_x ? +1 : -1);
12940   int to_y = to_y2 - (to_y2 > from_y ? +1 : -1);
12941   int len_x = ABS(to_x - from_x);
12942   int len_y = ABS(to_y - from_y);
12943   int radius, x, y;
12944
12945   radius = (int)(sqrt((float)(len_x * len_x + len_y * len_y)) + 0.5);
12946
12947   // not optimal (some points get drawn twice) but simple,
12948   // and fast enough for the few points we are drawing
12949
12950   for (x = 0; x <= radius; x++)
12951   {
12952     int sx, sy, sx2, sy2, lx, ly;
12953
12954     y = (int)(sqrt((float)(radius * radius - x * x)) + 0.5);
12955
12956     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12957     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12958     sx = getLoResScreenPos(sx2);
12959     sy = getLoResScreenPos(sy2);
12960     lx = sx + level_xpos;
12961     ly = sy + level_ypos;
12962
12963     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12964       DrawLineElement(sx2, sy2, element, change_level);
12965   }
12966
12967   for (y = 0; y <= radius; y++)
12968   {
12969     int sx, sy, sx2, sy2, lx, ly;
12970
12971     x = (int)(sqrt((float)(radius * radius - y * y)) + 0.5);
12972
12973     sx2 = from_x + x * (from_x < to_x2 ? +1 : -1);
12974     sy2 = from_y + y * (from_y < to_y2 ? +1 : -1);
12975     sx = getLoResScreenPos(sx2);
12976     sy = getLoResScreenPos(sy2);
12977     lx = sx + level_xpos;
12978     ly = sy + level_ypos;
12979
12980     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
12981       DrawLineElement(sx2, sy2, element, change_level);
12982   }
12983 }
12984
12985 static void DrawArc(int from_x, int from_y, int to_x, int to_y,
12986                     int element, boolean change_level)
12987 {
12988   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
12989   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
12990
12991   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
12992 }
12993
12994 #define DRAW_CIRCLES_BUTTON_AVAILABLE   0
12995
12996 #if DRAW_CIRCLES_BUTTON_AVAILABLE
12997 static void DrawCircle(int from_x, int from_y, int to_x, int to_y,
12998                        int element, boolean change_level)
12999 {
13000   int to_x2 = to_x + (to_x < from_x ? -1 : +1);
13001   int to_y2 = to_y + (to_y > from_y ? +1 : -1);
13002   int mirror_to_x2 = from_x - (to_x2 - from_x);
13003   int mirror_to_y2 = from_y - (to_y2 - from_y);
13004
13005   DrawArcExt(from_x, from_y, to_x2, to_y2, element, change_level);
13006   DrawArcExt(from_x, from_y, mirror_to_x2, to_y2, element, change_level);
13007   DrawArcExt(from_x, from_y, to_x2, mirror_to_y2, element, change_level);
13008   DrawArcExt(from_x, from_y, mirror_to_x2, mirror_to_y2, element, change_level);
13009 }
13010 #endif
13011
13012 static void DrawAreaBorder(int from_x, int from_y, int to_x, int to_y)
13013 {
13014   int from_sx, from_sy;
13015   int to_sx, to_sy;
13016
13017   if (from_x > to_x)
13018     swap_numbers(&from_x, &to_x);
13019
13020   if (from_y > to_y)
13021     swap_numbers(&from_y, &to_y);
13022
13023   from_sx = SX + from_x * ed_tilesize;
13024   from_sy = SY + from_y * ed_tilesize;
13025   to_sx = SX + (to_x + 1) * ed_tilesize - 1;
13026   to_sy = SY + (to_y + 1) * ed_tilesize - 1;
13027
13028   DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx, from_sy);
13029   DrawSimpleWhiteLine(drawto, to_sx, from_sy, to_sx, to_sy);
13030   DrawSimpleWhiteLine(drawto, to_sx, to_sy, from_sx, to_sy);
13031   DrawSimpleWhiteLine(drawto, from_sx, to_sy, from_sx, from_sy);
13032
13033   if (from_x == to_x && from_y == to_y)
13034     MarkTileDirty(from_x/2, from_y/2);
13035   else
13036     redraw_mask |= REDRAW_FIELD;
13037 }
13038
13039 static void DrawAreaBox(int from_x, int from_y, int to_x, int to_y,
13040                         int element, boolean change_level)
13041 {
13042   DrawBox(from_x, from_y, to_x, to_y, element, change_level);
13043 }
13044
13045 static void SelectArea(int from_x, int from_y, int to_x, int to_y,
13046                        int element, boolean change_level)
13047 {
13048   if (element == -1 || change_level)
13049     DrawAreaBox(from_x, from_y, to_x, to_y, -1, FALSE);
13050   else
13051     DrawAreaBorder(from_x, from_y, to_x, to_y);
13052 }
13053
13054 // values for CopyBrushExt()
13055 #define CB_AREA_TO_BRUSH                0
13056 #define CB_BRUSH_TO_CURSOR              1
13057 #define CB_BRUSH_TO_LEVEL               2
13058 #define CB_DELETE_OLD_CURSOR            3
13059 #define CB_DUMP_BRUSH                   4
13060 #define CB_DUMP_BRUSH_SMALL             5
13061 #define CB_CLIPBOARD_TO_BRUSH           6
13062 #define CB_BRUSH_TO_CLIPBOARD           7
13063 #define CB_BRUSH_TO_CLIPBOARD_SMALL     8
13064 #define CB_UPDATE_BRUSH_POSITION        9
13065 #define CB_FLIP_BRUSH_X                 10
13066 #define CB_FLIP_BRUSH_Y                 11
13067 #define CB_FLIP_BRUSH_XY                12
13068
13069 #define MAX_CB_PART_SIZE        10
13070 #define MAX_CB_LINE_SIZE        (MAX_LEV_FIELDX + 1)    // text plus newline
13071 #define MAX_CB_NUM_LINES        (MAX_LEV_FIELDY)
13072 #define MAX_CB_TEXT_SIZE        (MAX_CB_LINE_SIZE *     \
13073                                  MAX_CB_NUM_LINES *     \
13074                                  MAX_CB_PART_SIZE)
13075
13076 static int getFlippedTileExt(int map[], int element)
13077 {
13078   int i;
13079
13080   for (i = 0; map[i] != -1; i++)
13081     if (map[i] == element)
13082       return map[i ^ 1];        // get flipped element by flipping LSB of index
13083
13084   return element;
13085 }
13086
13087 static int getFlippedTileX(int element)
13088 {
13089   int map[] =
13090   {
13091     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_RIGHT,
13092     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_RIGHT,
13093     EL_BUG_LEFT,                        EL_BUG_RIGHT,
13094     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_RIGHT,
13095     EL_PACMAN_LEFT,                     EL_PACMAN_RIGHT,
13096     EL_ARROW_LEFT,                      EL_ARROW_RIGHT,
13097     EL_MOLE_LEFT,                       EL_MOLE_RIGHT,
13098     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_RIGHT,
13099     EL_YAMYAM_LEFT,                     EL_YAMYAM_RIGHT,
13100     EL_SP_PORT_LEFT,                    EL_SP_PORT_RIGHT,
13101     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_RIGHT,
13102     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_RIGHT,
13103     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_RIGHT,
13104     EL_CONVEYOR_BELT_1_LEFT,            EL_CONVEYOR_BELT_1_RIGHT,
13105     EL_CONVEYOR_BELT_2_LEFT,            EL_CONVEYOR_BELT_2_RIGHT,
13106     EL_CONVEYOR_BELT_3_LEFT,            EL_CONVEYOR_BELT_3_RIGHT,
13107     EL_CONVEYOR_BELT_4_LEFT,            EL_CONVEYOR_BELT_4_RIGHT,
13108     EL_SPRING_LEFT,                     EL_SPRING_RIGHT,
13109     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_RIGHT,
13110     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_VERTICAL_RIGHT,
13111     EL_TUBE_LEFT_UP,                    EL_TUBE_RIGHT_UP,
13112     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_DOWN,
13113     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_RIGHT,
13114     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_TOPRIGHT,
13115     EL_DC_STEELWALL_1_BOTTOMLEFT,       EL_DC_STEELWALL_1_BOTTOMRIGHT,
13116     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_TOPRIGHT_2,
13117     EL_DC_STEELWALL_1_BOTTOMLEFT_2,     EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13118     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_RIGHT,
13119     EL_ACID_POOL_TOPLEFT,               EL_ACID_POOL_TOPRIGHT,
13120     EL_ACID_POOL_BOTTOMLEFT,            EL_ACID_POOL_BOTTOMRIGHT,
13121
13122     -1
13123   };
13124
13125   return getFlippedTileExt(map, element);
13126 }
13127
13128 static int getFlippedTileY(int element)
13129 {
13130   int map[] =
13131   {
13132     EL_BD_BUTTERFLY_UP,                 EL_BD_BUTTERFLY_DOWN,
13133     EL_BD_FIREFLY_UP,                   EL_BD_FIREFLY_DOWN,
13134     EL_BUG_UP,                          EL_BUG_DOWN,
13135     EL_SPACESHIP_UP,                    EL_SPACESHIP_DOWN,
13136     EL_PACMAN_UP,                       EL_PACMAN_DOWN,
13137     EL_ARROW_UP,                        EL_ARROW_DOWN,
13138     EL_MOLE_UP,                         EL_MOLE_DOWN,
13139     EL_BALLOON_SWITCH_UP,               EL_BALLOON_SWITCH_DOWN,
13140     EL_YAMYAM_UP,                       EL_YAMYAM_DOWN,
13141     EL_SP_PORT_UP,                      EL_SP_PORT_DOWN,
13142     EL_SP_GRAVITY_PORT_UP,              EL_SP_GRAVITY_PORT_DOWN,
13143     EL_SP_GRAVITY_ON_PORT_UP,           EL_SP_GRAVITY_ON_PORT_DOWN,
13144     EL_SP_GRAVITY_OFF_PORT_UP,          EL_SP_GRAVITY_OFF_PORT_DOWN,
13145     EL_SP_CHIP_TOP,                     EL_SP_CHIP_BOTTOM,
13146     EL_TUBE_HORIZONTAL_UP,              EL_TUBE_HORIZONTAL_DOWN,
13147     EL_TUBE_LEFT_UP,                    EL_TUBE_LEFT_DOWN,
13148     EL_TUBE_RIGHT_UP,                   EL_TUBE_RIGHT_DOWN,
13149     EL_DC_STEELWALL_1_TOP,              EL_DC_STEELWALL_1_BOTTOM,
13150     EL_DC_STEELWALL_1_TOPLEFT,          EL_DC_STEELWALL_1_BOTTOMLEFT,
13151     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMRIGHT,
13152     EL_DC_STEELWALL_1_TOPLEFT_2,        EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13153     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMRIGHT_2,
13154     EL_DC_STEELWALL_2_TOP,              EL_DC_STEELWALL_2_BOTTOM,
13155     EL_EMC_WALL_1,                      EL_EMC_WALL_3,
13156
13157     -1
13158   };
13159
13160   return getFlippedTileExt(map, element);
13161 }
13162
13163 static int getFlippedTileXY(int element)
13164 {
13165   int map[] =
13166   {
13167     EL_BD_BUTTERFLY_LEFT,               EL_BD_BUTTERFLY_UP,
13168     EL_BD_BUTTERFLY_RIGHT,              EL_BD_BUTTERFLY_DOWN,
13169     EL_BD_FIREFLY_LEFT,                 EL_BD_FIREFLY_UP,
13170     EL_BD_FIREFLY_RIGHT,                EL_BD_FIREFLY_DOWN,
13171     EL_BUG_LEFT,                        EL_BUG_UP,
13172     EL_BUG_RIGHT,                       EL_BUG_DOWN,
13173     EL_SPACESHIP_LEFT,                  EL_SPACESHIP_UP,
13174     EL_SPACESHIP_RIGHT,                 EL_SPACESHIP_DOWN,
13175     EL_PACMAN_LEFT,                     EL_PACMAN_UP,
13176     EL_PACMAN_RIGHT,                    EL_PACMAN_DOWN,
13177     EL_ARROW_LEFT,                      EL_ARROW_UP,
13178     EL_ARROW_RIGHT,                     EL_ARROW_DOWN,
13179     EL_MOLE_LEFT,                       EL_MOLE_UP,
13180     EL_MOLE_RIGHT,                      EL_MOLE_DOWN,
13181     EL_BALLOON_SWITCH_LEFT,             EL_BALLOON_SWITCH_UP,
13182     EL_BALLOON_SWITCH_RIGHT,            EL_BALLOON_SWITCH_DOWN,
13183     EL_YAMYAM_LEFT,                     EL_YAMYAM_UP,
13184     EL_YAMYAM_RIGHT,                    EL_YAMYAM_DOWN,
13185     EL_SP_PORT_LEFT,                    EL_SP_PORT_UP,
13186     EL_SP_PORT_RIGHT,                   EL_SP_PORT_DOWN,
13187     EL_SP_GRAVITY_PORT_LEFT,            EL_SP_GRAVITY_PORT_UP,
13188     EL_SP_GRAVITY_PORT_RIGHT,           EL_SP_GRAVITY_PORT_DOWN,
13189     EL_SP_GRAVITY_ON_PORT_LEFT,         EL_SP_GRAVITY_ON_PORT_UP,
13190     EL_SP_GRAVITY_ON_PORT_RIGHT,        EL_SP_GRAVITY_ON_PORT_DOWN,
13191     EL_SP_GRAVITY_OFF_PORT_LEFT,        EL_SP_GRAVITY_OFF_PORT_UP,
13192     EL_SP_GRAVITY_OFF_PORT_RIGHT,       EL_SP_GRAVITY_OFF_PORT_DOWN,
13193     EL_SP_CHIP_LEFT,                    EL_SP_CHIP_TOP,
13194     EL_SP_CHIP_RIGHT,                   EL_SP_CHIP_BOTTOM,
13195     EL_TUBE_VERTICAL,                   EL_TUBE_HORIZONTAL,
13196     EL_TUBE_VERTICAL_LEFT,              EL_TUBE_HORIZONTAL_UP,
13197     EL_TUBE_VERTICAL_RIGHT,             EL_TUBE_HORIZONTAL_DOWN,
13198     EL_TUBE_LEFT_DOWN,                  EL_TUBE_RIGHT_UP,
13199     EL_DC_STEELWALL_1_LEFT,             EL_DC_STEELWALL_1_TOP,
13200     EL_DC_STEELWALL_1_RIGHT,            EL_DC_STEELWALL_1_BOTTOM,
13201     EL_DC_STEELWALL_1_HORIZONTAL,       EL_DC_STEELWALL_1_VERTICAL,
13202     EL_DC_STEELWALL_1_TOPRIGHT,         EL_DC_STEELWALL_1_BOTTOMLEFT,
13203     EL_DC_STEELWALL_1_TOPRIGHT_2,       EL_DC_STEELWALL_1_BOTTOMLEFT_2,
13204     EL_DC_STEELWALL_2_LEFT,             EL_DC_STEELWALL_2_TOP,
13205     EL_DC_STEELWALL_2_RIGHT,            EL_DC_STEELWALL_2_BOTTOM,
13206     EL_DC_STEELWALL_2_HORIZONTAL,       EL_DC_STEELWALL_2_VERTICAL,
13207     EL_EXPANDABLE_WALL_HORIZONTAL,      EL_EXPANDABLE_WALL_VERTICAL,
13208     EL_EXPANDABLE_STEELWALL_HORIZONTAL, EL_EXPANDABLE_STEELWALL_VERTICAL,
13209
13210     -1
13211   };
13212
13213   return getFlippedTileExt(map, element);
13214 }
13215
13216 static int getFlippedTile(int element, int mode)
13217 {
13218   if (IS_MM_ELEMENT(element))
13219   {
13220     // get MM game element
13221     element = map_element_RND_to_MM(element);
13222
13223     // get flipped game element
13224     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX_MM(element) :
13225                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY_MM(element) :
13226                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY_MM(element) :
13227                element);
13228
13229     // get RND game element again
13230     element = map_element_MM_to_RND(element);
13231   }
13232   else
13233   {
13234     // get flipped game element
13235     element = (mode == CB_FLIP_BRUSH_X  ? getFlippedTileX(element) :
13236                mode == CB_FLIP_BRUSH_Y  ? getFlippedTileY(element) :
13237                mode == CB_FLIP_BRUSH_XY ? getFlippedTileXY(element) :
13238                element);
13239   }
13240
13241   return element;
13242 }
13243
13244 static void SwapFlippedTiles(short *tile1, short *tile2, int mode)
13245 {
13246   // flip tiles
13247   short tile1_flipped = getFlippedTile(*tile1, mode);
13248   short tile2_flipped = getFlippedTile(*tile2, mode);
13249
13250   // swap tiles
13251   *tile1 = tile2_flipped;
13252   *tile2 = tile1_flipped;
13253 }
13254
13255 static void DrawBrushElement(int sx, int sy, int element, boolean change_level)
13256 {
13257   DrawLineElement(sx, sy, element, change_level);
13258 }
13259
13260 static void CopyBrushExt(int from_x, int from_y, int to_x, int to_y,
13261                          int button, int mode)
13262 {
13263   static short brush_buffer[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13264   static int brush_width, brush_height;
13265   static int last_cursor_x = -1, last_cursor_y = -1;
13266   static boolean delete_old_brush = FALSE;
13267   int new_element = BUTTON_ELEMENT(button);
13268   int x, y;
13269
13270   if (mode == CB_DUMP_BRUSH ||
13271       mode == CB_DUMP_BRUSH_SMALL ||
13272       mode == CB_BRUSH_TO_CLIPBOARD ||
13273       mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13274   {
13275     if (edit_mode != ED_MODE_DRAWING)
13276       return;
13277
13278     char part[MAX_CB_PART_SIZE + 1] = "";
13279     char text[MAX_CB_TEXT_SIZE + 1] = "";
13280     int width  = (draw_with_brush ? brush_width  : lev_fieldx);
13281     int height = (draw_with_brush ? brush_height : lev_fieldy);
13282     char *format = "%s%03d";
13283
13284     for (y = 0; y < height; y++)
13285       for (x = 0; x < width; x++)
13286         if ((draw_with_brush ? brush_buffer[x][y] : Tile[x][y]) > 999)
13287           format = "%s%04d";
13288
13289     for (y = 0; y < height; y++)
13290     {
13291       for (x = 0; x < width; x++)
13292       {
13293         int element = (draw_with_brush ? brush_buffer[x][y] : Tile[x][y]);
13294         char *prefix = (mode == CB_DUMP_BRUSH ||
13295                         mode == CB_BRUSH_TO_CLIPBOARD ? "`" : "¸");
13296
13297         if (element >= NUM_FILE_ELEMENTS)
13298           element = EL_UNKNOWN;
13299
13300         // copy brush to level sketch text buffer for the R'n'D forum:
13301         // - large tiles: `xxx or `xxxx (0x60 ASCII)
13302         // - small tiles: ¸xxx or ¸xxxx (0xb8 ISO-8859-1, 0xc2b8 UTF-8)
13303         snprintf(part, MAX_CB_PART_SIZE + 1, format, prefix, element);
13304         strcat(text, part);
13305       }
13306
13307       strcat(text, "\n");
13308     }
13309
13310     if (mode == CB_BRUSH_TO_CLIPBOARD ||
13311         mode == CB_BRUSH_TO_CLIPBOARD_SMALL)
13312       SDL_SetClipboardText(text);
13313     else
13314       Print("%s", text);        // print brush data to console and log file
13315
13316     return;
13317   }
13318
13319   if (mode == CB_CLIPBOARD_TO_BRUSH)
13320   {
13321     if (edit_mode != ED_MODE_DRAWING)
13322       return;
13323
13324     if (!SDL_HasClipboardText())
13325     {
13326       Request("Clipboard is empty!", REQ_CONFIRM);
13327
13328       return;
13329     }
13330
13331     boolean copy_to_brush = (draw_with_brush ||
13332                              drawing_function == GADGET_ID_GRAB_BRUSH);
13333
13334     // this will delete the old brush, if already drawing with a brush
13335     if (copy_to_brush)
13336       ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], MB_LEFTBUTTON);
13337
13338     // initialization is required for "odd" (incomplete) clipboard content
13339     for (x = 0; x < MAX_LEV_FIELDX; x++)
13340       for (y = 0; y < MAX_LEV_FIELDY; y++)
13341         brush_buffer[x][y] = EL_EMPTY;
13342
13343     brush_width  = 0;
13344     brush_height = 0;
13345     x = 0;
13346     y = 0;
13347
13348     char *clipboard_text = SDL_GetClipboardText();
13349     char *ptr = clipboard_text;
13350     boolean allow_new_row = FALSE;
13351     boolean stop = FALSE;
13352
13353     while (*ptr && !stop)
13354     {
13355       boolean prefix_found = FALSE;
13356       boolean start_new_row = FALSE;
13357
13358       // level sketch element number prefixes (may be multi-byte characters)
13359       char *prefix_list[] = { "`", "¸" };
13360       int i;
13361
13362       for (i = 0; i < ARRAY_SIZE(prefix_list); i++)
13363       {
13364         char *prefix = prefix_list[i];
13365
13366         // check if string is large enough for prefix
13367         if (strlen(ptr) < strlen(prefix))
13368         {
13369           stop = TRUE;
13370
13371           break;
13372         }
13373
13374         // check if string starts with prefix
13375         if (strPrefix(ptr, prefix))
13376         {
13377           ptr += strlen(prefix);
13378
13379           prefix_found = TRUE;
13380
13381           break;
13382         }
13383       }
13384
13385       // check if prefix found and followed by (at least) three digits
13386       if (prefix_found &&
13387           strlen(ptr) >= 3 &&
13388           ptr[0] >= '0' && ptr[0] <= '9' &&
13389           ptr[1] >= '0' && ptr[1] <= '9' &&
13390           ptr[2] >= '0' && ptr[2] <= '9')
13391       {
13392         int element = ((ptr[0] - '0') * 100 +
13393                        (ptr[1] - '0') * 10 +
13394                        (ptr[2] - '0'));
13395
13396         ptr += 3;
13397
13398         // level sketch element number might consist of four digits
13399         if (ptr[0] >= '0' && ptr[0] <= '9')
13400         {
13401           element = element * 10 + (ptr[0] - '0');
13402           ptr++;
13403         }
13404
13405         // remap some (historic, now obsolete) elements
13406         element = getMappedElement(element);
13407
13408         if (element >= NUM_FILE_ELEMENTS)
13409           element = EL_UNKNOWN;
13410
13411         brush_buffer[x][y] = element;
13412
13413         brush_width  = MAX(x + 1, brush_width);
13414         brush_height = MAX(y + 1, brush_height);
13415
13416         x++;
13417
13418         if (x >= MAX_LEV_FIELDX)
13419           start_new_row = TRUE;
13420
13421         allow_new_row = TRUE;
13422       }
13423       else
13424       {
13425         if ((*ptr == '\n' || *ptr == '\r') && allow_new_row)
13426           start_new_row = TRUE;
13427
13428         ptr++;          // !!! FIX THIS for real UTF-8 handling !!!
13429       }
13430
13431       if (start_new_row)
13432       {
13433         x = 0;
13434         y++;
13435
13436         if (y >= MAX_LEV_FIELDY)
13437           stop = TRUE;
13438
13439         allow_new_row = FALSE;
13440       }
13441     }
13442
13443     SDL_free(clipboard_text);
13444
13445     if (brush_width == 0 || brush_height == 0)
13446     {
13447       Request("No level sketch found in clipboard!", REQ_CONFIRM);
13448
13449       return;
13450     }
13451
13452     if (copy_to_brush)
13453     {
13454       struct GadgetInfo *gi = level_editor_gadget[GADGET_ID_DRAWING_LEVEL];
13455       int mx, my;
13456
13457       SDL_GetMouseState(&mx, &my);
13458
13459       // if inside drawing area, activate and draw brush at last mouse position
13460       if (mx >= gi->x && mx < gi->x + gi->width &&
13461           my >= gi->y && my < gi->y + gi->height)
13462         CopyBrushToCursor(last_cursor_x, last_cursor_y);
13463
13464       draw_with_brush = TRUE;
13465     }
13466     else
13467     {
13468       char request[100];
13469
13470       sprintf(request, "Replace level with %dx%d level sketch from clipboard?",
13471               brush_width, brush_height);
13472
13473       if (!Request(request, REQ_ASK))
13474         return;
13475
13476       for (x = 0; x < MAX_LEV_FIELDX; x++)
13477         for (y = 0; y < MAX_LEV_FIELDY; y++)
13478           Tile[x][y] = brush_buffer[x][y];
13479
13480       lev_fieldx = level.fieldx = brush_width;
13481       lev_fieldy = level.fieldy = brush_height;
13482
13483       boolean use_bd_engine = TRUE;
13484       boolean use_em_engine = TRUE;
13485       boolean use_sp_engine = TRUE;
13486       boolean use_mm_engine = TRUE;
13487
13488       for (x = 0; x < MAX_LEV_FIELDX; x++)
13489       {
13490         for (y = 0; y < MAX_LEV_FIELDY; y++)
13491         {
13492           int element = Tile[x][y];
13493
13494           if (!IS_BD_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13495             use_bd_engine = FALSE;
13496
13497           if (!IS_EM_ELEMENT(element) && !IS_PLAYER_ELEMENT(element))
13498             use_em_engine = FALSE;
13499
13500           if (!IS_SP_ELEMENT(element))
13501             use_sp_engine = FALSE;
13502
13503           if (!IS_MM_ELEMENT(element) && element != EL_EMPTY)
13504             use_mm_engine = FALSE;
13505         }
13506       }
13507
13508       level.game_engine_type = (use_bd_engine ? GAME_ENGINE_TYPE_BD :
13509                                 use_em_engine ? GAME_ENGINE_TYPE_EM :
13510                                 use_sp_engine ? GAME_ENGINE_TYPE_SP :
13511                                 use_mm_engine ? GAME_ENGINE_TYPE_MM :
13512                                 GAME_ENGINE_TYPE_RND);
13513
13514       // update element selection list
13515       ReinitializeElementList();
13516       ModifyEditorElementList();
13517
13518       SetBorderElement();
13519
13520       DrawEditModeWindow();
13521       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13522     }
13523
13524     return;
13525   }
13526
13527   if (mode == CB_DELETE_OLD_CURSOR && !delete_old_brush)
13528     return;
13529
13530   if (mode == CB_AREA_TO_BRUSH)
13531   {
13532     int from_lx, from_ly;
13533
13534     if (from_x > to_x)
13535       swap_numbers(&from_x, &to_x);
13536
13537     if (from_y > to_y)
13538       swap_numbers(&from_y, &to_y);
13539
13540     brush_width = to_x - from_x + 1;
13541     brush_height = to_y - from_y + 1;
13542
13543     from_lx = from_x + level_xpos;
13544     from_ly = from_y + level_ypos;
13545
13546     for (y = 0; y < brush_height; y++)
13547     {
13548       for (x = 0; x < brush_width; x++)
13549       {
13550         brush_buffer[x][y] = Tile[from_lx + x][from_ly + y];
13551
13552         if (button != 1)
13553           DrawBrushElement(from_x + x, from_y + y, new_element, TRUE);
13554       }
13555     }
13556
13557     if (button != 1)
13558       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13559
13560     delete_old_brush = FALSE;
13561   }
13562   else if (mode == CB_BRUSH_TO_CURSOR || mode == CB_DELETE_OLD_CURSOR ||
13563            mode == CB_BRUSH_TO_LEVEL)
13564   {
13565     int cursor_x = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_x : from_x);
13566     int cursor_y = (mode == CB_DELETE_OLD_CURSOR ? last_cursor_y : from_y);
13567     int cursor_from_x = cursor_x - brush_width / 2;
13568     int cursor_from_y = cursor_y - brush_height / 2;
13569     int border_from_x = cursor_x, border_from_y = cursor_y;
13570     int border_to_x = cursor_x, border_to_y = cursor_y;
13571
13572     if (mode != CB_DELETE_OLD_CURSOR && delete_old_brush)
13573       CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13574
13575     if (!IN_ED_FIELD(cursor_x, cursor_y) ||
13576         !IN_LEV_FIELD(cursor_x + level_xpos, cursor_y + level_ypos))
13577     {
13578       delete_old_brush = FALSE;
13579
13580       return;
13581     }
13582
13583     for (y = 0; y < brush_height; y++)
13584     {
13585       for (x = 0; x < brush_width; x++)
13586       {
13587         int sx = cursor_from_x + x;
13588         int sy = cursor_from_y + y;
13589         int lx = sx + level_xpos;
13590         int ly = sy + level_ypos;
13591         boolean change_level = (mode == CB_BRUSH_TO_LEVEL);
13592         int element = (mode == CB_DELETE_OLD_CURSOR ? -1 :
13593                        mode == CB_BRUSH_TO_CURSOR || button == 1 ?
13594                        brush_buffer[x][y] : new_element);
13595
13596         if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
13597         {
13598           if (sx < border_from_x)
13599             border_from_x = sx;
13600           else if (sx > border_to_x)
13601             border_to_x = sx;
13602           if (sy < border_from_y)
13603             border_from_y = sy;
13604           else if (sy > border_to_y)
13605             border_to_y = sy;
13606
13607           DrawBrushElement(sx, sy, element, change_level);
13608         }
13609       }
13610     }
13611
13612     if (mode != CB_DELETE_OLD_CURSOR)
13613       DrawAreaBorder(border_from_x, border_from_y, border_to_x, border_to_y);
13614
13615     last_cursor_x = cursor_x;
13616     last_cursor_y = cursor_y;
13617
13618     delete_old_brush = TRUE;
13619   }
13620   else if (mode == CB_FLIP_BRUSH_X)
13621   {
13622     for (y = 0; y < brush_height; y++)
13623       for (x = 0; x < (brush_width + 1) / 2; x++)
13624         SwapFlippedTiles(&brush_buffer[x][y],
13625                          &brush_buffer[brush_width - x - 1][y], mode);
13626
13627     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13628   }
13629   else if (mode == CB_FLIP_BRUSH_Y)
13630   {
13631     for (y = 0; y < (brush_height + 1) / 2; y++)
13632       for (x = 0; x < brush_width; x++)
13633         SwapFlippedTiles(&brush_buffer[x][y],
13634                          &brush_buffer[x][brush_height - y - 1], mode);
13635
13636     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13637   }
13638   else if (mode == CB_FLIP_BRUSH_XY)
13639   {
13640     CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13641
13642     for (y = 0; y < MAX(brush_width, brush_height); y++)
13643       for (x = 0; x <= y; x++)
13644         SwapFlippedTiles(&brush_buffer[x][y],
13645                          &brush_buffer[y][x], mode);
13646
13647     swap_numbers(&brush_width, &brush_height);
13648
13649     CopyBrushExt(last_cursor_x, last_cursor_y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13650   }
13651
13652   if (mode == CB_UPDATE_BRUSH_POSITION)
13653   {
13654     last_cursor_x = from_x;
13655     last_cursor_y = from_y;
13656   }
13657 }
13658
13659 static void CopyAreaToBrush(int from_x, int from_y, int to_x, int to_y,
13660                             int button)
13661 {
13662   CopyBrushExt(from_x, from_y, to_x, to_y, button, CB_AREA_TO_BRUSH);
13663 }
13664
13665 static void CopyBrushToLevel(int x, int y, int button)
13666 {
13667   CopyBrushExt(x, y, 0, 0, button, CB_BRUSH_TO_LEVEL);
13668 }
13669
13670 static void CopyBrushToCursor(int x, int y)
13671 {
13672   CopyBrushExt(x, y, 0, 0, 0, CB_BRUSH_TO_CURSOR);
13673 }
13674
13675 static void UpdateBrushPosition(int x, int y)
13676 {
13677   CopyBrushExt(x, y, 0, 0, 0, CB_UPDATE_BRUSH_POSITION);
13678 }
13679
13680 static void DeleteBrushFromCursor(void)
13681 {
13682   CopyBrushExt(0, 0, 0, 0, 0, CB_DELETE_OLD_CURSOR);
13683 }
13684
13685 static void FlipBrushX(void)
13686 {
13687   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13688 }
13689
13690 static void FlipBrushY(void)
13691 {
13692   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_Y);
13693 }
13694
13695 static void RotateBrush(void)
13696 {
13697   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_XY);
13698   CopyBrushExt(0, 0, 0, 0, 0, CB_FLIP_BRUSH_X);
13699 }
13700
13701 void DumpBrush(void)
13702 {
13703   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH);
13704 }
13705
13706 void DumpBrush_Small(void)
13707 {
13708   CopyBrushExt(0, 0, 0, 0, 0, CB_DUMP_BRUSH_SMALL);
13709 }
13710
13711 void CopyClipboardToBrush(void)
13712 {
13713   CopyBrushExt(0, 0, 0, 0, 0, CB_CLIPBOARD_TO_BRUSH);
13714 }
13715
13716 void CopyBrushToClipboard(void)
13717 {
13718   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD);
13719 }
13720
13721 void CopyBrushToClipboard_Small(void)
13722 {
13723   CopyBrushExt(0, 0, 0, 0, 0, CB_BRUSH_TO_CLIPBOARD_SMALL);
13724 }
13725
13726 void UndoLevelEditorOperation(void)
13727 {
13728   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], -1);
13729 }
13730
13731 void RedoLevelEditorOperation(void)
13732 {
13733   ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
13734 }
13735
13736 static void FloodFill(int from_x, int from_y, int fill_element)
13737 {
13738   FloodFillLevel(from_x, from_y, fill_element, Tile, lev_fieldx, lev_fieldy);
13739 }
13740
13741 static void FloodFillWall_MM(int from_sx2, int from_sy2, int fill_element)
13742 {
13743   int from_x = from_sx2 + 2 * level_xpos;
13744   int from_y = from_sy2 + 2 * level_ypos;
13745   int max_fillx = lev_fieldx * 2;
13746   int max_filly = lev_fieldy * 2;
13747   short Fill[max_fillx][max_filly];
13748   int x, y;
13749
13750   for (x = 0; x < max_fillx; x++)
13751     for (y = 0; y < max_filly; y++)
13752       Fill[x][y] = getLevelElementHiRes(x, y);
13753
13754   FloodFillLevelExt(from_x, from_y, fill_element, max_fillx, max_filly,
13755                     Fill, max_fillx, max_filly);
13756
13757   for (x = 0; x < max_fillx; x++)
13758     for (y = 0; y < max_filly; y++)
13759       if (Fill[x][y] == fill_element)
13760         SetLevelElementHiRes(x, y, Fill[x][y]);
13761 }
13762
13763 // values for DrawLevelText() modes
13764 #define TEXT_INIT               0
13765 #define TEXT_SETCURSOR          1
13766 #define TEXT_WRITECHAR          2
13767 #define TEXT_BACKSPACE          3
13768 #define TEXT_NEWLINE            4
13769 #define TEXT_END                5
13770 #define TEXT_QUERY_TYPING       6
13771
13772 static int DrawLevelText(int sx, int sy, char letter, int mode)
13773 {
13774   static short delete_buffer[MAX_LEV_FIELDX];
13775   static int start_sx;
13776   static int last_sx, last_sy;
13777   static boolean typing = FALSE;
13778   int letter_element;
13779   int lx = 0, ly = 0;
13780
13781   // map lower case letters to upper case and convert special characters
13782   if (letter >= 'a' && letter <= 'z')
13783     letter_element = EL_CHAR_ASCII0 + letter + (int)('A' - 'a');
13784   else if (letter == CHAR_BYTE_UMLAUT_a || letter == CHAR_BYTE_UMLAUT_A)
13785     letter_element = EL_CHAR_AUMLAUT;
13786   else if (letter == CHAR_BYTE_UMLAUT_o || letter == CHAR_BYTE_UMLAUT_O)
13787     letter_element = EL_CHAR_OUMLAUT;
13788   else if (letter == CHAR_BYTE_UMLAUT_u || letter == CHAR_BYTE_UMLAUT_U)
13789     letter_element = EL_CHAR_UUMLAUT;
13790   else if (letter == '^')
13791     letter_element = EL_CHAR_COPYRIGHT;
13792   else
13793     letter_element = EL_CHAR_ASCII0 + letter;
13794
13795   if (mode != TEXT_INIT)
13796   {
13797     if (!typing)
13798       return FALSE;
13799
13800     if (mode != TEXT_SETCURSOR)
13801     {
13802       sx = last_sx;
13803       sy = last_sy;
13804     }
13805
13806     lx = last_sx + level_xpos;
13807     ly = last_sy + level_ypos;
13808   }
13809
13810   switch (mode)
13811   {
13812     case TEXT_INIT:
13813       if (typing)
13814         DrawLevelText(0, 0, 0, TEXT_END);
13815
13816       typing = TRUE;
13817       start_sx = sx;
13818       last_sx = sx;
13819       last_sy = sy;
13820       DrawLevelText(sx, sy, 0, TEXT_SETCURSOR);
13821       break;
13822
13823     case TEXT_SETCURSOR:
13824       DrawEditorElement(last_sx, last_sy, Tile[lx][ly]);
13825       DrawAreaBorder(sx, sy, sx, sy);
13826       StartTextInput(SX + sx * ed_tilesize, SY + sy * ed_tilesize,
13827                      ed_tilesize, ed_tilesize);
13828       last_sx = sx;
13829       last_sy = sy;
13830       break;
13831
13832     case TEXT_WRITECHAR:
13833       if (letter_element >= EL_CHAR_START && letter_element <= EL_CHAR_END)
13834       {
13835         if (new_element1 >= EL_STEEL_CHAR_START &&
13836             new_element1 <= EL_STEEL_CHAR_END)
13837           letter_element = letter_element - EL_CHAR_START + EL_STEEL_CHAR_START;
13838
13839         delete_buffer[sx - start_sx] = Tile[lx][ly];
13840         Tile[lx][ly] = letter_element;
13841
13842         if (sx + 1 < ed_fieldx && lx + 1 < lev_fieldx)
13843           DrawLevelText(sx + 1, sy, 0, TEXT_SETCURSOR);
13844         else if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13845           DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13846         else
13847           DrawLevelText(0, 0, 0, TEXT_END);
13848
13849         level.changed = TRUE;
13850       }
13851       break;
13852
13853     case TEXT_BACKSPACE:
13854       if (sx > start_sx)
13855       {
13856         Tile[lx - 1][ly] = delete_buffer[sx - start_sx - 1];
13857         DrawEditorElement(sx - 1, sy, Tile[lx - 1][ly]);
13858         DrawLevelText(sx - 1, sy, 0, TEXT_SETCURSOR);
13859       }
13860       break;
13861
13862     case TEXT_NEWLINE:
13863       if (sy + 1 < ed_fieldy && ly + 1 < lev_fieldy)
13864         DrawLevelText(start_sx, sy + 1, 0, TEXT_SETCURSOR);
13865       else
13866         DrawLevelText(0, 0, 0, TEXT_END);
13867       break;
13868
13869     case TEXT_END:
13870       CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
13871       DrawEditorElement(sx, sy, Tile[lx][ly]);
13872       StopTextInput();
13873       typing = FALSE;
13874       break;
13875
13876     case TEXT_QUERY_TYPING:
13877       break;
13878
13879     default:
13880       break;
13881   }
13882
13883   return typing;
13884 }
13885
13886 static void SetTextCursor(int unused_sx, int unused_sy, int sx, int sy,
13887                           int element, boolean change_level)
13888 {
13889   int lx = sx + level_xpos;
13890   int ly = sy + level_ypos;
13891
13892   if (element == -1)
13893     DrawEditorElement(sx, sy, Tile[lx][ly]);
13894   else
13895     DrawAreaBorder(sx, sy, sx, sy);
13896 }
13897
13898 static void CheckLevelBorderElement(boolean redraw_playfield)
13899 {
13900   int last_border_element = BorderElement;
13901
13902   SetBorderElement();
13903
13904   if (redraw_playfield && BorderElement != last_border_element)
13905     DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
13906 }
13907
13908 static void CopyLevelToUndoBuffer(int mode)
13909 {
13910   static boolean accumulated_undo = FALSE;
13911   boolean new_undo_buffer_position = TRUE;
13912   int x, y;
13913
13914   if (undo_buffer_steps == 0)
13915     accumulated_undo = FALSE;
13916
13917   switch (mode)
13918   {
13919     case UNDO_IMMEDIATE:
13920       accumulated_undo = FALSE;
13921       break;
13922
13923     case UNDO_ACCUMULATE:
13924       if (accumulated_undo)
13925         new_undo_buffer_position = FALSE;
13926       accumulated_undo = TRUE;
13927       break;
13928
13929     default:
13930       break;
13931   }
13932
13933   if (new_undo_buffer_position)
13934   {
13935     // advance position in undo buffer ring
13936     undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
13937
13938     if (undo_buffer_steps < NUM_UNDO_STEPS - 1)
13939       undo_buffer_steps++;
13940   }
13941
13942   // always reset redo buffer when storing level change into undo buffer
13943   redo_buffer_steps = 0;
13944
13945   for (x = 0; x < lev_fieldx; x++)
13946     for (y = 0; y < lev_fieldy; y++)
13947       UndoBuffer[undo_buffer_position][x][y] = Tile[x][y];
13948
13949   // check if drawing operation forces change of border style
13950   CheckLevelBorderElement(TRUE);
13951
13952   level.changed = TRUE;
13953 }
13954
13955 static void RandomPlacement(int new_element)
13956 {
13957   static boolean free_position[MAX_LEV_FIELDX][MAX_LEV_FIELDY];
13958   int num_free_positions = 0;
13959   int num_percentage, num_elements;
13960   int x, y;
13961
13962   ResetIntelliDraw();
13963
13964   // determine number of free positions for randomly placing the new element
13965   for (x = 0; x < lev_fieldx; x++) for (y = 0; y < lev_fieldy; y++)
13966   {
13967     free_position[x][y] =
13968       (random_placement_background_restricted ?
13969        Tile[x][y] == random_placement_background_element :
13970        Tile[x][y] != new_element);
13971
13972     if (free_position[x][y])
13973       num_free_positions++;
13974   }
13975
13976   // determine number of new elements to place there
13977   num_percentage = num_free_positions * random_placement_value / 100;
13978   num_elements = (random_placement_method == RANDOM_USE_PERCENTAGE ?
13979                   num_percentage : random_placement_value);
13980
13981   // if less free positions than elements to place, fill all these positions
13982   if (num_free_positions < num_elements)
13983   {
13984     for (x = 0; x < lev_fieldx; x++)
13985       for (y = 0; y < lev_fieldy; y++)
13986         if (free_position[x][y])
13987           SetElement(x, y, new_element);
13988   }
13989   else
13990   {
13991     while (num_elements > 0)
13992     {
13993       x = GetSimpleRandom(lev_fieldx);
13994       y = GetSimpleRandom(lev_fieldy);
13995
13996       // don't place element at the same position twice
13997       if (free_position[x][y])
13998       {
13999         free_position[x][y] = FALSE;
14000         SetElement(x, y, new_element);
14001         num_elements--;
14002       }
14003     }
14004   }
14005
14006   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14007   CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14008 }
14009
14010 static void WrapLevel(int dx, int dy)
14011 {
14012   int wrap_dx = lev_fieldx - dx;
14013   int wrap_dy = lev_fieldy - dy;
14014   int x, y;
14015
14016   for (x = 0; x < lev_fieldx; x++)
14017     for (y = 0; y < lev_fieldy; y++)
14018       TileBackup[x][y] = Tile[x][y];
14019
14020   for (x = 0; x < lev_fieldx; x++)
14021     for (y = 0; y < lev_fieldy; y++)
14022       Tile[x][y] =
14023         TileBackup[(x + wrap_dx) % lev_fieldx][(y + wrap_dy) % lev_fieldy];
14024
14025   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14026   CopyLevelToUndoBuffer(UNDO_ACCUMULATE);
14027 }
14028
14029 static void DrawAreaElementHighlight(boolean highlighted,
14030                                      boolean highlighted_similar)
14031 {
14032   DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14033
14034   if (!highlighted)
14035     return;
14036
14037   int x, y;
14038
14039   for (x = 0; x < ed_fieldx; x++)
14040   {
14041     for (y = 0; y < ed_fieldy; y++)
14042     {
14043       boolean highlight = FALSE;
14044       int lx = x + level_xpos;
14045       int ly = y + level_ypos;
14046
14047       if (!IN_LEV_FIELD(lx, ly))
14048         continue;
14049
14050       // check if element is the same
14051       if (Tile[lx][ly] == new_element1)
14052         highlight = TRUE;
14053
14054       // check if element is similar
14055       if (highlighted_similar &&
14056           strEqual(element_info[Tile[lx][ly]].class_name,
14057                    element_info[new_element1].class_name))
14058         highlight = TRUE;
14059
14060       // check if element is matching MM style wall
14061       if (IS_MM_WALL(Tile[lx][ly]) &&
14062           map_mm_wall_element(Tile[lx][ly]) == new_element1)
14063         highlight = TRUE;
14064
14065       if (!highlight)
14066         continue;
14067
14068       if (IS_MM_WALL(Tile[lx][ly]) && !highlighted_similar)
14069       {
14070         int i;
14071
14072         for (i = 0; i < 4; i++)
14073         {
14074           if (!(MM_WALL_BITS(Tile[lx][ly]) & (1 << i)))
14075             continue;
14076
14077           int xx = x * 2 + (i % 2);
14078           int yy = y * 2 + (i / 2);
14079           int sx = SX + xx * ed_tilesize / 2;
14080           int sy = SY + yy * ed_tilesize / 2;
14081           int from_sx = sx;
14082           int from_sy = sy;
14083           int to_sx = sx + ed_tilesize / 2 - 1;
14084           int to_sy = sy + ed_tilesize / 2 - 1;
14085
14086           DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14087           DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14088           DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14089           DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14090         }
14091       }
14092       else
14093       {
14094         int sx = SX + x * ed_tilesize;
14095         int sy = SY + y * ed_tilesize;
14096         int from_sx = sx;
14097         int from_sy = sy;
14098         int to_sx = sx + ed_tilesize - 1;
14099         int to_sy = sy + ed_tilesize - 1;
14100
14101         DrawSimpleWhiteLine(drawto, from_sx, from_sy, to_sx,   from_sy);
14102         DrawSimpleWhiteLine(drawto, to_sx,   from_sy, to_sx,   to_sy);
14103         DrawSimpleWhiteLine(drawto, to_sx,   to_sy,   from_sx, to_sy);
14104         DrawSimpleWhiteLine(drawto, from_sx, to_sy,   from_sx, from_sy);
14105       }
14106     }
14107   }
14108 }
14109
14110 static void CopyLevelTemplateToUserLevelSet(char *levelset_subdir)
14111 {
14112   char *template_filename_old = getLocalLevelTemplateFilename();
14113   char *template_filename_new =
14114     getPath2(getUserLevelDir(levelset_subdir), LEVELTEMPLATE_FILENAME);
14115
14116   if (copyFile(template_filename_old, template_filename_new) != 0)
14117     Request("Cannot copy level template!", REQ_CONFIRM);
14118
14119   free(template_filename_new);
14120 }
14121
14122 static void HandleDrawingAreas(struct GadgetInfo *gi)
14123 {
14124   static boolean started_inside_drawing_area = FALSE;
14125   static int last_sx = -1;
14126   static int last_sy = -1;
14127   static int last_sx2 = -1;
14128   static int last_sy2 = -1;
14129   int id = gi->custom_id;
14130   int type_id = gi->custom_type_id;
14131   boolean button_press_event;
14132   boolean button_release_event;
14133   boolean inside_drawing_area = !gi->event.off_borders;
14134   boolean draw_level = (id == GADGET_ID_DRAWING_LEVEL);
14135   int actual_drawing_function;
14136   int button = gi->event.button;
14137   int new_element = BUTTON_ELEMENT(button);
14138   int sx = gi->event.x, sy = gi->event.y;
14139   int min_sx = 0, min_sy = 0;
14140   int max_sx = gi->drawing.area_xsize - 1, max_sy = gi->drawing.area_ysize - 1;
14141   int item_xsize = gi->drawing.item_xsize, item_ysize = gi->drawing.item_ysize;
14142   int mini_item_xsize = item_xsize / 2, mini_item_ysize = item_ysize / 2;
14143   int sx2 = gi->event.mx / mini_item_xsize;
14144   int sy2 = gi->event.my / mini_item_ysize;
14145   int dx = sx2 % 2;
14146   int dy = sy2 % 2;
14147   int lx = 0, ly = 0;
14148   int x, y;
14149
14150   button_press_event = (gi->event.type == GD_EVENT_PRESSED);
14151   button_release_event = (gi->event.type == GD_EVENT_RELEASED);
14152
14153   // make sure to stay inside drawing area boundaries
14154   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
14155   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
14156
14157   if (draw_level)
14158   {
14159     int min_lx = 0, min_ly = 0;
14160     int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
14161
14162     // get positions inside level field
14163     lx = sx + level_xpos;
14164     ly = sy + level_ypos;
14165
14166     if (!IN_LEV_FIELD(lx, ly))
14167       inside_drawing_area = FALSE;
14168
14169     // make sure to stay inside level field boundaries
14170     lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
14171     ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
14172
14173     // correct drawing area positions accordingly
14174     sx = lx - level_xpos;
14175     sy = ly - level_ypos;
14176   }
14177
14178   // also correct MM wall-sized (double) drawing area positions accordingly
14179   if (sx2 / 2 < sx || sx2 / 2 > sx)
14180   {
14181     dx = (sx2 / 2 < sx ? 0 : 1);
14182     sx2 = sx * 2 + dx;
14183   }
14184   if (sy2 / 2 < sy || sy2 / 2 > sy)
14185   {
14186     dy = (sy2 / 2 < sy ? 0 : 1);
14187     sy2 = sy * 2 + dy;
14188   }
14189
14190   if (!button_press_event && !button_release_event)
14191   {
14192     int old_element = (IN_LEV_FIELD(lx, ly) ? Tile[lx][ly] : EL_UNDEFINED);
14193     boolean hires_drawing = (level.game_engine_type == GAME_ENGINE_TYPE_MM &&
14194                              isHiresTileElement(old_element) &&
14195                              isHiresDrawElement(new_element));
14196
14197     // prevent handling events for every pixel position when moving mouse
14198     if ((sx == last_sx && sy == last_sy && !hires_drawing) ||
14199         (sx2 == last_sx2 && sy2 == last_sy2))
14200       return;
14201   }
14202
14203   last_sx = sx;
14204   last_sy = sy;
14205   last_sx2 = sx2;
14206   last_sy2 = sy2;
14207
14208   if (button_press_event)
14209     started_inside_drawing_area = inside_drawing_area;
14210
14211   if (!started_inside_drawing_area)
14212     return;
14213
14214   if (!IS_VALID_BUTTON(button))
14215     return;
14216
14217   // handle info callback for each invocation of action callback
14218   gi->callback_info(gi);
14219
14220   // automatically switch to 'single item' drawing mode, if needed
14221   actual_drawing_function =
14222     (draw_level || drawing_function == GADGET_ID_PICK_ELEMENT ?
14223      drawing_function : GADGET_ID_SINGLE_ITEMS);
14224
14225   // clicking into drawing area with pressed Control key picks element
14226   if (GetKeyModState() & KMOD_Control)
14227   {
14228     last_drawing_function = drawing_function;
14229     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
14230   }
14231
14232   if (GetKeyModState() & KMOD_Shift)
14233   {
14234     if (button_press_event || button_release_event)
14235       ResetIntelliDraw();
14236   }
14237
14238   SetDrawModeHiRes(-1);         // reset to normal draw mode
14239
14240   switch (actual_drawing_function)
14241   {
14242     case GADGET_ID_SINGLE_ITEMS:
14243       if (draw_level)
14244       {
14245         if (button_release_event)
14246         {
14247           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14248
14249           if (edit_mode == ED_MODE_DRAWING && draw_with_brush &&
14250               !inside_drawing_area)
14251             DeleteBrushFromCursor();
14252
14253           break;
14254         }
14255
14256         if (draw_with_brush)
14257         {
14258           CopyBrushToLevel(sx, sy, button);
14259         }
14260         else
14261         {
14262           SetDrawModeHiRes(new_element);
14263
14264           if (IS_PLAYER_ELEMENT(new_element) || IS_MM_MCDUFFIN(new_element))
14265           {
14266             // remove player at old position
14267             for (y = 0; y < lev_fieldy; y++)
14268             {
14269               for (x = 0; x < lev_fieldx; x++)
14270               {
14271                 int old_element = Tile[x][y];
14272
14273                 if (IS_PLAYER_ELEMENT(old_element) &&
14274                     IS_PLAYER_ELEMENT(new_element))
14275                 {
14276                   int replaced_with_element =
14277                     (old_element == EL_SOKOBAN_FIELD_PLAYER &&
14278                      new_element == EL_PLAYER_1 ? EL_SOKOBAN_FIELD_EMPTY :
14279
14280                      old_element == EL_SOKOBAN_FIELD_PLAYER &&
14281                      new_element == old_element ? EL_SOKOBAN_FIELD_EMPTY :
14282
14283                      new_element == EL_SOKOBAN_FIELD_PLAYER &&
14284                      old_element == EL_PLAYER_1 ? EL_EMPTY :
14285
14286                      new_element >= EL_PLAYER_1 &&
14287                      new_element <= EL_PLAYER_4 &&
14288                      new_element == old_element ? EL_EMPTY :
14289
14290                      old_element);
14291
14292                   SetElement(x, y, replaced_with_element);
14293                 }
14294                 else if (IS_MM_MCDUFFIN(old_element) &&
14295                          IS_MM_MCDUFFIN(new_element))
14296                 {
14297                   // remove McDuffin at old position
14298                   SetElement(x, y, EL_EMPTY);
14299                 }
14300               }
14301             }
14302           }
14303
14304           SetElementButton(lx, ly, dx, dy, new_element, button);
14305         }
14306       }
14307       else if (!button_release_event)
14308       {
14309         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14310
14311         if (item_xsize == MINI_TILEX && item_ysize == MINI_TILEY)
14312           DrawMiniGraphicExt(drawto,
14313                              gi->x + sx * MINI_TILEX,
14314                              gi->y + sy * MINI_TILEY,
14315                              el2edimg(new_element));
14316         else
14317           DrawFixedGraphicExt(drawto,
14318                               gi->x + sx * TILEX,
14319                               gi->y + sy * TILEY,
14320                               el2edimg(new_element), 0);
14321
14322         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14323           new_element = GFX_ELEMENT(new_element);
14324
14325         drawingarea_info[type_id].value[pos] = new_element;
14326
14327         CopyElementPropertiesToGame(properties_element);
14328
14329         if (id == GADGET_ID_CUSTOM_GRAPHIC)
14330         {
14331           UpdateCustomElementGraphicGadgets();
14332
14333           FrameCounter = 0;     // restart animation frame counter
14334         }
14335       }
14336       break;
14337
14338     case GADGET_ID_CONNECTED_ITEMS:
14339       {
14340         static int last_sx = -1;
14341         static int last_sy = -1;
14342
14343         if (button_release_event)
14344           CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14345
14346         SetDrawModeHiRes(new_element);
14347
14348         if (getDrawModeHiRes())
14349         {
14350           sx = sx2;
14351           sy = sy2;
14352         }
14353
14354         if (!button_press_event)
14355           DrawLine(last_sx, last_sy, sx, sy, new_element, TRUE);
14356
14357         last_sx = sx;
14358         last_sy = sy;
14359       }
14360       break;
14361
14362     case GADGET_ID_LINE:
14363     case GADGET_ID_ARC:
14364     case GADGET_ID_RECTANGLE:
14365     case GADGET_ID_FILLED_BOX:
14366       SetDrawModeHiRes(new_element);
14367
14368       if (getDrawModeHiRes())
14369       {
14370         sx = sx2;
14371         sy = sy2;
14372       }
14373       // FALLTHROUGH
14374     case GADGET_ID_GRAB_BRUSH:
14375     case GADGET_ID_TEXT:
14376       {
14377         static int last_sx = -1;
14378         static int last_sy = -1;
14379         static int start_sx = -1;
14380         static int start_sy = -1;
14381         void (*draw_func)(int, int, int, int, int, boolean);
14382
14383         if (drawing_function == GADGET_ID_LINE)
14384           draw_func = DrawLine;
14385         else if (drawing_function == GADGET_ID_ARC)
14386           draw_func = DrawArc;
14387         else if (drawing_function == GADGET_ID_RECTANGLE)
14388           draw_func = DrawBox;
14389         else if (drawing_function == GADGET_ID_FILLED_BOX)
14390           draw_func = DrawFilledBox;
14391         else if (drawing_function == GADGET_ID_GRAB_BRUSH)
14392           draw_func = SelectArea;
14393         else // (drawing_function == GADGET_ID_TEXT)
14394           draw_func = SetTextCursor;
14395
14396         if (button_press_event)
14397         {
14398           draw_func(sx, sy, sx, sy, new_element, FALSE);
14399           start_sx = last_sx = sx;
14400           start_sy = last_sy = sy;
14401
14402           if (drawing_function == GADGET_ID_TEXT)
14403             DrawLevelText(0, 0, 0, TEXT_END);
14404         }
14405         else if (button_release_event)
14406         {
14407           draw_func(start_sx, start_sy, sx, sy, new_element, TRUE);
14408           if (drawing_function == GADGET_ID_GRAB_BRUSH)
14409           {
14410             CopyAreaToBrush(start_sx, start_sy, sx, sy, button);
14411             CopyBrushToCursor(sx, sy);
14412             ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
14413                           MB_LEFTBUTTON);
14414             draw_with_brush = TRUE;
14415           }
14416           else if (drawing_function == GADGET_ID_TEXT)
14417             DrawLevelText(sx, sy, 0, TEXT_INIT);
14418           else
14419             CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14420         }
14421         else if (last_sx != sx || last_sy != sy)
14422         {
14423           draw_func(start_sx, start_sy, last_sx, last_sy, -1, FALSE);
14424           if (IS_MM_WALL_EDITOR(new_element))   // clear wall background
14425             draw_func(start_sx, start_sy, sx, sy, EL_EMPTY, FALSE);
14426           draw_func(start_sx, start_sy, sx, sy, new_element, FALSE);
14427           last_sx = sx;
14428           last_sy = sy;
14429         }
14430       }
14431       break;
14432
14433     case GADGET_ID_FLOOD_FILL:
14434       if (button_press_event && Tile[lx][ly] != new_element)
14435       {
14436         if (IS_MM_WALL_EDITOR(new_element))
14437           FloodFillWall_MM(sx2, sy2, new_element);
14438         else
14439           FloodFill(lx, ly, new_element);
14440
14441         DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
14442         CopyLevelToUndoBuffer(UNDO_IMMEDIATE);
14443       }
14444       break;
14445
14446     case GADGET_ID_PICK_ELEMENT:
14447       if (button_release_event)
14448         ClickOnGadget(level_editor_gadget[last_drawing_function],
14449                       MB_LEFTBUTTON);
14450       else if (draw_level)
14451         PickDrawingElement(button, Tile[lx][ly]);
14452       else
14453       {
14454         int pos = sx * drawingarea_info[type_id].area_ysize + sy;
14455
14456         PickDrawingElement(button, drawingarea_info[type_id].value[pos]);
14457       }
14458
14459     default:
14460       break;
14461   }
14462
14463   // do not mark level as modified for certain non-level-changing gadgets
14464   if ((type_id >= ED_DRAWING_ID_EDITOR_FIRST &&
14465        type_id <= ED_DRAWING_ID_EDITOR_LAST) ||
14466       actual_drawing_function == GADGET_ID_GRAB_BRUSH ||
14467       actual_drawing_function == GADGET_ID_PICK_ELEMENT)
14468     return;
14469
14470   level.changed = TRUE;
14471 }
14472
14473 static void HandleCounterButtons(struct GadgetInfo *gi)
14474 {
14475   int gadget_id = gi->custom_id;
14476   int counter_id = gi->custom_type_id;
14477   int button = gi->event.button;
14478   int *counter_value = counterbutton_info[counter_id].value;
14479   int step = BUTTON_STEPSIZE(button) *
14480     (gadget_id == counterbutton_info[counter_id].gadget_id_down ? -1 : +1);
14481
14482   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14483   {
14484     boolean pressed = (gi->event.type == GD_EVENT_PRESSED);
14485     boolean released = (gi->event.type == GD_EVENT_RELEASED);
14486     boolean level_changed = LevelChanged();
14487
14488     if ((level_changed && pressed) || (!level_changed && released))
14489       return;
14490
14491     if (level_changed && !Request("Level has changed! Discard changes?",
14492                                   REQ_ASK))
14493     {
14494       if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14495         ModifyEditorCounterValue(counter_id, *counter_value);
14496
14497       return;
14498     }
14499   }
14500
14501   if (gadget_id == counterbutton_info[counter_id].gadget_id_text)
14502     *counter_value = gi->textinput.number_value;
14503   else
14504     ModifyEditorCounterValue(counter_id, *counter_value + step);
14505
14506   if (counter_id == ED_COUNTER_ID_SELECT_LEVEL)
14507   {
14508     int last_game_engine_type = level.game_engine_type;
14509
14510     LoadLevel(level_nr);
14511     LoadScore(level_nr);
14512
14513     SaveLevelSetup_SeriesInfo();
14514
14515     TapeErase();
14516
14517     ResetUndoBuffer();
14518     DrawEditModeWindow();
14519
14520     if (level.game_engine_type != last_game_engine_type)
14521     {
14522       // update element selection list
14523       ReinitializeElementList();
14524       ModifyEditorElementList();
14525     }
14526
14527     return;
14528   }
14529
14530   switch (counter_id)
14531   {
14532     case ED_COUNTER_ID_YAMYAM_CONTENT:
14533       DrawYamYamContentAreas();
14534       break;
14535
14536     case ED_COUNTER_ID_BALL_CONTENT:
14537       DrawMagicBallContentAreas();
14538       break;
14539
14540     case ED_COUNTER_ID_ANDROID_CONTENT:
14541       DrawAndroidElementArea();
14542       break;
14543
14544     case ED_COUNTER_ID_GROUP_CONTENT:
14545       DrawGroupElementArea();
14546       CopyGroupElementPropertiesToGame(properties_element);
14547       break;
14548
14549     case ED_COUNTER_ID_INVENTORY_SIZE:
14550       DrawPlayerInitialInventoryArea(properties_element);
14551       break;
14552
14553     case ED_COUNTER_ID_MM_BALL_CONTENT:
14554       DrawMMBallContentArea();
14555       break;
14556
14557     case ED_COUNTER_ID_ENVELOPE_XSIZE:
14558     case ED_COUNTER_ID_ENVELOPE_YSIZE:
14559       DrawEnvelopeTextArea(-1);
14560       break;
14561
14562     case ED_COUNTER_ID_LEVEL_XSIZE:
14563     case ED_COUNTER_ID_LEVEL_YSIZE:
14564       lev_fieldx = level.fieldx;
14565       lev_fieldy = level.fieldy;
14566
14567       // check if resizing of level results in change of border border
14568       SetBorderElement();
14569
14570       break;
14571
14572     default:
14573       break;
14574   }
14575
14576   if ((counter_id >= ED_COUNTER_ID_CUSTOM_FIRST &&
14577        counter_id <= ED_COUNTER_ID_CUSTOM_LAST) ||
14578       (counter_id >= ED_COUNTER_ID_CHANGE_FIRST &&
14579        counter_id <= ED_COUNTER_ID_CHANGE_LAST))
14580     CopyElementPropertiesToGame(properties_element);
14581
14582   // do not mark level as modified for certain non-level-changing gadgets
14583   if ((counter_id >= ED_COUNTER_ID_LEVELSET_FIRST &&
14584        counter_id <= ED_COUNTER_ID_LEVELSET_LAST) ||
14585       (counter_id >= ED_COUNTER_ID_EDITOR_FIRST &&
14586        counter_id <= ED_COUNTER_ID_EDITOR_LAST))
14587     return;
14588
14589   level.changed = TRUE;
14590 }
14591
14592 static void HandleTextInputGadgets(struct GadgetInfo *gi)
14593 {
14594   int type_id = gi->custom_type_id;
14595
14596   strcpy(textinput_info[type_id].value, gi->textinput.value);
14597
14598   if (type_id == ED_TEXTINPUT_ID_ELEMENT_NAME)
14599   {
14600     CopyElementPropertiesToGame(properties_element);
14601
14602     ModifyEditorElementList();  // update changed button info text
14603   }
14604
14605   // do not mark level as modified for certain non-level-changing gadgets
14606   if (type_id >= ED_TEXTINPUT_ID_LEVELSET_FIRST &&
14607       type_id <= ED_TEXTINPUT_ID_LEVELSET_LAST)
14608     return;
14609
14610   level.changed = TRUE;
14611 }
14612
14613 static void HandleTextAreaGadgets(struct GadgetInfo *gi)
14614 {
14615   int type_id = gi->custom_type_id;
14616
14617   strncpy(textarea_info[type_id].value, gi->textarea.value,
14618           MAX_ENVELOPE_TEXT_LEN);
14619   textarea_info[type_id].value[MAX_ENVELOPE_TEXT_LEN] = '\0';
14620
14621   level.changed = TRUE;
14622 }
14623
14624 static void HandleSelectboxGadgets(struct GadgetInfo *gi)
14625 {
14626   int type_id = gi->custom_type_id;
14627   int value_old = *selectbox_info[type_id].value;
14628   int value_new = selectbox_info[type_id].options[gi->selectbox.index].value;
14629
14630   *selectbox_info[type_id].value = value_new;
14631
14632   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE)
14633   {
14634     DrawLevelConfigWindow();
14635   }
14636   else if (type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14637   {
14638     element_info[properties_element].current_change_page = gi->selectbox.index;
14639
14640     DrawPropertiesWindow();
14641   }
14642   else if ((type_id >= ED_SELECTBOX_ID_CUSTOM_FIRST &&
14643             type_id <= ED_SELECTBOX_ID_CUSTOM_LAST) ||
14644            (type_id >= ED_SELECTBOX_ID_CHANGE_FIRST &&
14645             type_id <= ED_SELECTBOX_ID_CHANGE_LAST) ||
14646            (type_id == ED_SELECTBOX_ID_GROUP_CHOICE_MODE))
14647   {
14648     if (type_id == ED_SELECTBOX_ID_ACTION_TYPE)
14649     {
14650       // when changing action type, also check action mode and action arg
14651       if (value_old != value_new)
14652         setSelectboxSpecialActionVariablesIfNeeded();
14653
14654       DrawPropertiesChange();
14655     }
14656
14657     CopyElementPropertiesToGame(properties_element);
14658   }
14659   else if (type_id == ED_SELECTBOX_ID_GAME_ENGINE_TYPE)
14660   {
14661     // show or hide "engine" tabulator depending on game engine type
14662     DrawLevelConfigWindow();
14663
14664     // update element selection list depending on game engine type
14665     ReinitializeElementList();
14666     ModifyEditorElementList();
14667   }
14668   else if (type_id == ED_SELECTBOX_ID_BD_SCHEDULING_TYPE)
14669   {
14670     // update BD cycle delay counter gadgets depending on BD scheduling type
14671     DrawLevelConfigWindow();
14672   }
14673
14674   // do not mark level as modified for certain non-level-changing gadgets
14675   if (type_id == ED_SELECTBOX_ID_LEVELSET_SAVE_MODE ||
14676       type_id == ED_SELECTBOX_ID_SELECT_CHANGE_PAGE)
14677     return;
14678
14679   level.changed = TRUE;
14680 }
14681
14682 static void HandleTextbuttonGadgets(struct GadgetInfo *gi)
14683 {
14684   int type_id = gi->custom_type_id;
14685   int i;
14686
14687   if (type_id >= ED_TAB_BUTTON_ID_LEVELCONFIG_FIRST &&
14688       type_id <= ED_TAB_BUTTON_ID_LEVELCONFIG_LAST)
14689   {
14690     edit_mode_levelconfig = gi->custom_type_id;
14691
14692     DrawLevelConfigWindow();
14693   }
14694   else if (type_id >= ED_TAB_BUTTON_ID_PROPERTIES_FIRST &&
14695            type_id <= ED_TAB_BUTTON_ID_PROPERTIES_LAST)
14696   {
14697     edit_mode_properties = gi->custom_type_id;
14698
14699     DrawPropertiesWindow();
14700   }
14701   else if (type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_1 ||
14702            type_id == ED_TEXTBUTTON_ID_SAVE_AS_TEMPLATE_2)
14703   {
14704     boolean new_template = !fileExists(getLocalLevelTemplateFilename());
14705
14706     // backup original "level.field" (needed to track playfield changes)
14707     CopyPlayfield(level.field, TileBackup);
14708
14709     // "SaveLevelTemplate()" uses "level.field", so copy editor playfield
14710     CopyPlayfield(Tile, level.field);
14711
14712     if (new_template ||
14713         Request("Save this template and kill the old?", REQ_ASK))
14714       SaveLevelTemplate();
14715
14716     if (new_template)
14717       Request("Template saved!", REQ_CONFIRM);
14718
14719     // restore original "level.field" (needed to track playfield changes)
14720     CopyPlayfield(TileBackup, level.field);
14721   }
14722   else if (type_id == ED_TEXTBUTTON_ID_SAVE_LEVELSET)
14723   {
14724     char *levelset_subdir = getLevelSubdirFromSaveMode(levelset_save_mode);
14725
14726     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE &&
14727         leveldir_current->readonly)
14728     {
14729       Request("This level set is read-only!", REQ_CONFIRM);
14730
14731       return;
14732     }
14733
14734     if (strEqual(levelset_name, ""))
14735     {
14736       Request("Please enter level set title!", REQ_CONFIRM);
14737
14738       return;
14739     }
14740
14741     if (strEqual(levelset_author, ""))
14742     {
14743       Request("Please enter level set author!", REQ_CONFIRM);
14744
14745       return;
14746     }
14747
14748     if (levelset_save_mode == LEVELSET_SAVE_MODE_UPDATE)
14749     {
14750       if (UpdateUserLevelSet(levelset_subdir,
14751                              levelset_name,
14752                              levelset_author,
14753                              levelset_num_levels))
14754       {
14755         Request("Level set updated!", REQ_CONFIRM);
14756       }
14757       else
14758       {
14759         Request("Updating level set failed!", REQ_CONFIRM);
14760       }
14761     }
14762     else if (levelset_save_mode == LEVELSET_SAVE_MODE_CREATE)
14763     {
14764       if (level.changed && !Request("Level has changed! Discard changes?",
14765                                      REQ_ASK))
14766         return;
14767
14768       if (CreateUserLevelSet(levelset_subdir,
14769                              levelset_name,
14770                              levelset_author,
14771                              levelset_num_levels,
14772                              levelset_use_levelset_artwork))
14773       {
14774         if (levelset_copy_level_template)
14775           CopyLevelTemplateToUserLevelSet(levelset_subdir);
14776
14777         Request("New level set created!", REQ_CONFIRM);
14778
14779         AddUserLevelSetToLevelInfo(levelset_subdir);
14780         ChangeEditorToLevelSet(levelset_subdir);
14781       }
14782       else
14783       {
14784         Request("Creating new level set failed!", REQ_CONFIRM);
14785       }
14786     }
14787   }
14788   else if (type_id == ED_TEXTBUTTON_ID_ADD_CHANGE_PAGE &&
14789            custom_element.num_change_pages < MAX_CHANGE_PAGES)
14790   {
14791     struct ElementInfo *ei = &element_info[properties_element];
14792
14793     // when modifying custom element, ask for copying level template
14794     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14795       return;
14796
14797     setElementChangePages(ei, ei->num_change_pages + 1);
14798
14799     // set new change page to be new current change page
14800     ei->current_change_page = ei->num_change_pages - 1;
14801     ei->change = &ei->change_page[ei->current_change_page];
14802
14803     setElementChangeInfoToDefaults(ei->change);
14804
14805     DrawPropertiesWindow();
14806
14807     level.changed = TRUE;
14808   }
14809   else if (type_id == ED_TEXTBUTTON_ID_DEL_CHANGE_PAGE &&
14810            custom_element.num_change_pages > MIN_CHANGE_PAGES)
14811   {
14812     struct ElementInfo *ei = &element_info[properties_element];
14813
14814     // when modifying custom element, ask for copying level template
14815     if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14816       return;
14817
14818     // copy all change pages after change page to be deleted
14819     for (i = ei->current_change_page; i < ei->num_change_pages - 1; i++)
14820       ei->change_page[i] = ei->change_page[i + 1];
14821
14822     setElementChangePages(ei, ei->num_change_pages - 1);
14823
14824     DrawPropertiesWindow();
14825
14826     level.changed = TRUE;
14827   }
14828 }
14829
14830 static void HandleGraphicbuttonGadgets(struct GadgetInfo *gi)
14831 {
14832   int type_id = gi->custom_type_id;
14833
14834   if (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ||
14835       type_id == ED_GRAPHICBUTTON_ID_NEXT_CHANGE_PAGE)
14836   {
14837     struct ElementInfo *ei = &element_info[properties_element];
14838     int step = BUTTON_STEPSIZE(gi->event.button);
14839
14840     step *= (type_id == ED_GRAPHICBUTTON_ID_PREV_CHANGE_PAGE ? -1 : +1);
14841     ei->current_change_page += step;
14842
14843     if (ei->current_change_page < 0)
14844       ei->current_change_page = 0;
14845     else if (ei->current_change_page >= ei->num_change_pages)
14846       ei->current_change_page = ei->num_change_pages - 1;
14847
14848     DrawPropertiesWindow();
14849   }
14850   else if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE ||
14851            type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14852   {
14853     struct ElementInfo *ei = &element_info[properties_element];
14854     int current_change_page = ei->current_change_page;
14855
14856     if (type_id == ED_GRAPHICBUTTON_ID_COPY_CHANGE_PAGE)
14857     {
14858       element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0] =
14859         ei->change_page[current_change_page];
14860     }
14861     else if (type_id == ED_GRAPHICBUTTON_ID_PASTE_CHANGE_PAGE)
14862     {
14863       // when modifying custom element, ask for copying level template
14864       if (level.use_custom_template && !AskToCopyAndModifyLevelTemplate())
14865         return;
14866
14867       ei->change_page[current_change_page] =
14868         element_info[EL_INTERNAL_CLIPBOARD_CHANGE].change_page[0];
14869
14870       level.changed = TRUE;
14871     }
14872
14873     DrawPropertiesWindow();
14874   }
14875 }
14876
14877 static void HandleRadiobuttons(struct GadgetInfo *gi)
14878 {
14879   int type_id = gi->custom_type_id;
14880
14881   *radiobutton_info[type_id].value =
14882     radiobutton_info[type_id].checked_value;
14883
14884   // do not mark level as modified for certain non-level-changing gadgets
14885   if (type_id >= ED_RADIOBUTTON_ID_EDITOR_FIRST &&
14886       type_id <= ED_RADIOBUTTON_ID_EDITOR_LAST)
14887     return;
14888
14889   level.changed = TRUE;
14890 }
14891
14892 static void HandleCheckbuttons(struct GadgetInfo *gi)
14893 {
14894   int type_id = gi->custom_type_id;
14895
14896   *checkbutton_info[type_id].value ^= TRUE;
14897
14898   if (type_id == ED_CHECKBUTTON_ID_CAN_FALL_INTO_ACID ||
14899       type_id == ED_CHECKBUTTON_ID_CAN_MOVE_INTO_ACID ||
14900       type_id == ED_CHECKBUTTON_ID_DONT_COLLIDE_WITH ||
14901       (((type_id >= ED_CHECKBUTTON_ID_CUSTOM_FIRST &&
14902          type_id <= ED_CHECKBUTTON_ID_CUSTOM_LAST) ||
14903         (type_id >= ED_CHECKBUTTON_ID_CHANGE_FIRST &&
14904          type_id <= ED_CHECKBUTTON_ID_CHANGE_LAST)) &&
14905        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1))
14906   {
14907     CopyElementPropertiesToGame(properties_element);
14908   }
14909
14910   if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_GRAPHIC)
14911   {
14912     UpdateCustomElementGraphicGadgets();
14913   }
14914   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_1 ||
14915            type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2)
14916   {
14917     boolean template_related_changes_found = FALSE;
14918     int i;
14919
14920     // check if any custom, group or empty elements have been changed
14921     for (i = 0; i < NUM_FILE_ELEMENTS; i++)
14922       if ((IS_CUSTOM_ELEMENT(i) ||
14923            IS_GROUP_ELEMENT(i) ||
14924            IS_EMPTY_ELEMENT(i)) &&
14925           element_info[i].modified_settings)
14926         template_related_changes_found = TRUE;
14927
14928     if (level.use_custom_template &&
14929         !fileExists(getGlobalLevelTemplateFilename()))
14930     {
14931       Request("No level template found!", REQ_CONFIRM);
14932
14933       level.use_custom_template = FALSE;
14934
14935       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14936
14937       return;
14938     }
14939
14940     if (level.use_custom_template &&
14941         template_related_changes_found &&
14942         !Request("Discard changes and use level template?", REQ_ASK))
14943     {
14944       level.use_custom_template = FALSE;
14945
14946       ModifyGadget(gi, GDI_CHECKED, FALSE, GDI_END);
14947
14948       return;
14949     }
14950
14951     if (!level.use_custom_template &&
14952         Request("Copy settings from level template?", REQ_ASK))
14953     {
14954       return;
14955     }
14956
14957     LoadLevelTemplate(level.use_custom_template ? -1 : level_nr);
14958
14959     DrawEditModeWindow();
14960   }
14961   else if (type_id == ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_3)
14962   {
14963     if (setup.editor.use_template_for_new_levels &&
14964         !fileExists(getGlobalLevelTemplateFilename()))
14965     {
14966       Request("No level template found!", REQ_CONFIRM);
14967
14968       return;
14969     }
14970
14971     if (setup.editor.use_template_for_new_levels &&
14972         level.changed &&
14973         !Request("Discard level and load template?", REQ_ASK))
14974     {
14975       return;
14976     }
14977
14978     if (!setup.editor.use_template_for_new_levels &&
14979         level.changed &&
14980         !Request("Discard level and use empty level?", REQ_ASK))
14981     {
14982       return;
14983     }
14984
14985     LoadLevel(level_nr);
14986     LoadScore(level_nr);
14987
14988     TapeErase();
14989
14990     ResetUndoBuffer();
14991     DrawEditModeWindow();
14992   }
14993   else if (type_id == ED_CHECKBUTTON_ID_AUTO_COUNT_GEMS)
14994   {
14995     SetAutomaticNumberOfGemsNeeded();
14996   }
14997
14998   // do not mark level as modified for certain non-level-changing gadgets
14999   if ((type_id >= ED_CHECKBUTTON_ID_LEVELSET_FIRST &&
15000        type_id <= ED_CHECKBUTTON_ID_LEVELSET_LAST) ||
15001       (type_id >= ED_CHECKBUTTON_ID_EDITOR_FIRST &&
15002        type_id <= ED_CHECKBUTTON_ID_EDITOR_LAST &&
15003        type_id != ED_CHECKBUTTON_ID_CUSTOM_USE_TEMPLATE_2) ||
15004       type_id == ED_CHECKBUTTON_ID_STICK_ELEMENT)
15005     return;
15006
15007   level.changed = TRUE;
15008 }
15009
15010 static void HandleControlButtons(struct GadgetInfo *gi)
15011 {
15012   static int last_level_drawing_function = GADGET_ID_SINGLE_ITEMS;
15013   static int last_edit_mode = ED_MODE_DRAWING;
15014   static int last_custom_copy_mode = -1;
15015   static int last_button = 0;
15016   int id = gi->custom_id;
15017   int button = gi->event.button;
15018   int step = BUTTON_STEPSIZE(button);
15019   int new_element = BUTTON_ELEMENT(button);
15020   int last_properties_element = properties_element;
15021   int x, y;
15022
15023   if (edit_mode == ED_MODE_DRAWING && drawing_function == GADGET_ID_TEXT)
15024     DrawLevelText(0, 0, 0, TEXT_END);
15025
15026   if (id < ED_NUM_CTRL1_BUTTONS &&
15027       id != GADGET_ID_SINGLE_ITEMS &&
15028       id != GADGET_ID_PICK_ELEMENT &&
15029       edit_mode != ED_MODE_DRAWING &&
15030       drawing_function != GADGET_ID_PICK_ELEMENT &&
15031       !(GetKeyModState() & KMOD_Control))
15032     ChangeEditModeWindow(ED_MODE_DRAWING);
15033
15034   // element copy mode active, but no element button pressed => deactivate
15035   if (last_custom_copy_mode != -1 && id < ED_NUM_CTRL_BUTTONS)
15036     last_custom_copy_mode = -1;
15037
15038   // when showing palette on element buttons, change element of button used
15039   if (editor.palette.show_on_element_buttons &&
15040       id >= GADGET_ID_ELEMENT_LEFT && id <= GADGET_ID_ELEMENT_RIGHT)
15041   {
15042     last_button = id - GADGET_ID_ELEMENT_LEFT + 1;
15043
15044     id = GADGET_ID_PALETTE;
15045   }
15046
15047   switch (id)
15048   {
15049     case GADGET_ID_SCROLL_LEFT:
15050       if (level_xpos >= 0)
15051       {
15052         if (lev_fieldx < ed_fieldx - 2)
15053           break;
15054
15055         level_xpos -= step;
15056         if (level_xpos < -1)
15057           level_xpos = -1;
15058         if (button == 1)
15059           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_RIGHT);
15060         else
15061           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15062
15063         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15064                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15065       }
15066       break;
15067
15068     case GADGET_ID_SCROLL_RIGHT:
15069       if (level_xpos <= lev_fieldx - ed_fieldx)
15070       {
15071         if (lev_fieldx < ed_fieldx - 2)
15072           break;
15073
15074         level_xpos += step;
15075         if (level_xpos > lev_fieldx - ed_fieldx + 1)
15076           level_xpos = lev_fieldx - ed_fieldx + 1;
15077         if (button == 1)
15078           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_LEFT);
15079         else
15080           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15081
15082         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_HORIZONTAL],
15083                      GDI_SCROLLBAR_ITEM_POSITION, level_xpos + 1, GDI_END);
15084       }
15085       break;
15086
15087     case GADGET_ID_SCROLL_UP:
15088       if (level_ypos >= 0)
15089       {
15090         if (lev_fieldy < ed_fieldy - 2)
15091           break;
15092
15093         level_ypos -= step;
15094         if (level_ypos < -1)
15095           level_ypos = -1;
15096         if (button == 1)
15097           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_DOWN);
15098         else
15099           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15100
15101         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15102                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15103       }
15104       break;
15105
15106     case GADGET_ID_SCROLL_DOWN:
15107       if (level_ypos <= lev_fieldy - ed_fieldy)
15108       {
15109         if (lev_fieldy < ed_fieldy - 2)
15110           break;
15111
15112         level_ypos += step;
15113         if (level_ypos > lev_fieldy - ed_fieldy + 1)
15114           level_ypos = lev_fieldy - ed_fieldy + 1;
15115         if (button == 1)
15116           ScrollEditorLevel(level_xpos, level_ypos, ED_SCROLL_UP);
15117         else
15118           DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15119
15120         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_VERTICAL],
15121                      GDI_SCROLLBAR_ITEM_POSITION, level_ypos + 1, GDI_END);
15122       }
15123       break;
15124
15125     case GADGET_ID_SCROLL_HORIZONTAL:
15126       level_xpos = gi->event.item_position - 1;
15127
15128       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15129       BackToFront();
15130
15131       break;
15132
15133     case GADGET_ID_SCROLL_VERTICAL:
15134       level_ypos = gi->event.item_position - 1;
15135
15136       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15137       BackToFront();
15138
15139       break;
15140
15141     case GADGET_ID_SCROLL_LIST_UP:
15142     case GADGET_ID_SCROLL_LIST_DOWN:
15143     case GADGET_ID_SCROLL_LIST_VERTICAL:
15144       if (id == GADGET_ID_SCROLL_LIST_VERTICAL)
15145         element_shift = gi->event.item_position * ED_ELEMENTLIST_BUTTONS_HORIZ;
15146       else
15147       {
15148         step *= (id == GADGET_ID_SCROLL_LIST_UP ? -1 : +1);
15149         element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15150
15151         if (element_shift < 0)
15152           element_shift = 0;
15153         if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15154           element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15155
15156         ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15157                      GDI_SCROLLBAR_ITEM_POSITION,
15158                      element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15159       }
15160
15161       ModifyEditorElementList();
15162
15163       break;
15164
15165     case GADGET_ID_PROPERTIES:
15166       // always switch off element properties when they are already displayed
15167       last_properties_element = new_element;
15168     case GADGET_ID_ELEMENT_LEFT:
15169     case GADGET_ID_ELEMENT_MIDDLE:
15170     case GADGET_ID_ELEMENT_RIGHT:
15171       properties_element = (id == GADGET_ID_ELEMENT_LEFT   ? new_element1 :
15172                             id == GADGET_ID_ELEMENT_MIDDLE ? new_element2 :
15173                             id == GADGET_ID_ELEMENT_RIGHT  ? new_element3 :
15174                             new_element);
15175
15176       if (edit_mode != ED_MODE_PROPERTIES)
15177       {
15178         last_edit_mode = edit_mode;
15179
15180         ChangeEditModeWindow(ED_MODE_PROPERTIES);
15181
15182         last_level_drawing_function = drawing_function;
15183         ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS],
15184                       MB_LEFTBUTTON);
15185       }
15186       else if (properties_element != last_properties_element)
15187       {
15188         DrawEditModeWindow();
15189       }
15190       else
15191       {
15192         ChangeEditModeWindow(ED_MODE_DRAWING);
15193
15194         ClickOnGadget(level_editor_gadget[last_level_drawing_function],
15195                       MB_LEFTBUTTON);
15196       }
15197       break;
15198
15199     case GADGET_ID_PALETTE:
15200       if (edit_mode != ED_MODE_PALETTE)
15201       {
15202         last_edit_mode = edit_mode;
15203
15204         ChangeEditModeWindow(ED_MODE_PALETTE);
15205       }
15206       else
15207       {
15208         ChangeEditModeWindow(last_edit_mode);
15209       }
15210       break;
15211
15212     case GADGET_ID_WRAP_LEFT:
15213       WrapLevel(-step, 0);
15214       break;
15215
15216     case GADGET_ID_WRAP_RIGHT:
15217       WrapLevel(step, 0);
15218       break;
15219
15220     case GADGET_ID_WRAP_UP:
15221       WrapLevel(0, -step);
15222       break;
15223
15224     case GADGET_ID_WRAP_DOWN:
15225       WrapLevel(0, step);
15226       break;
15227
15228     case GADGET_ID_SINGLE_ITEMS:
15229     case GADGET_ID_CONNECTED_ITEMS:
15230     case GADGET_ID_LINE:
15231     case GADGET_ID_ARC:
15232     case GADGET_ID_TEXT:
15233     case GADGET_ID_RECTANGLE:
15234     case GADGET_ID_FILLED_BOX:
15235     case GADGET_ID_FLOOD_FILL:
15236     case GADGET_ID_GRAB_BRUSH:
15237     case GADGET_ID_PICK_ELEMENT:
15238       if (drawing_function != GADGET_ID_PICK_ELEMENT)
15239         last_drawing_function = drawing_function;
15240       drawing_function = id;
15241       draw_with_brush = FALSE;
15242       break;
15243
15244     case GADGET_ID_RANDOM_PLACEMENT:
15245       RandomPlacement(new_element);
15246       break;
15247
15248     case GADGET_ID_ZOOM:
15249       // zoom level editor tile size in or out (or reset to default size)
15250       ed_tilesize = (button == 1 ? ed_tilesize * 2 :
15251                      button == 2 ? ed_tilesize_default :
15252                      button == 3 ? ed_tilesize / 2 : ed_tilesize);
15253
15254       // when using touch device, cycle through all zoom tilesizes
15255       if (runtime.uses_touch_device && ed_tilesize > TILESIZE)
15256         ed_tilesize = MICRO_TILESIZE;
15257
15258       // limit zoom level by upper and lower bound
15259       ed_tilesize = MIN(MAX(MICRO_TILESIZE, ed_tilesize), TILESIZE);
15260
15261       InitZoomLevelSettings(ed_tilesize);
15262
15263       if (edit_mode == ED_MODE_DRAWING)
15264       {
15265         DrawDrawingWindow();
15266
15267         // redraw zoom gadget info text
15268         PrintEditorGadgetInfoText(level_editor_gadget[id]);
15269       }
15270
15271       // save current editor zoom tilesize
15272       SaveSetup_AutoSetup();
15273
15274       break;
15275
15276     case GADGET_ID_CUSTOM_COPY_FROM:
15277     case GADGET_ID_CUSTOM_COPY_TO:
15278     case GADGET_ID_CUSTOM_EXCHANGE:
15279       last_custom_copy_mode = id;
15280       last_drawing_function = drawing_function;
15281       break;
15282
15283     case GADGET_ID_CUSTOM_COPY:
15284       CopyCustomElement(properties_element, -1, id);
15285       break;
15286
15287     case GADGET_ID_CUSTOM_PASTE:
15288       CopyCustomElement(-1, properties_element, id);
15289       break;
15290
15291     case GADGET_ID_UNDO:
15292       if (button < 0)   // keep button value (even if modifier keys are pressed)
15293         button = -button;
15294       else if (button == 1 && GetKeyModState() & (KMOD_Shift | KMOD_Control))
15295         button = 3;
15296
15297       if (button == 1 && undo_buffer_steps == 0)
15298       {
15299         Request("Undo buffer empty!", REQ_CONFIRM);
15300
15301         break;
15302       }
15303       else if (button == 2)
15304       {
15305         break;
15306       }
15307       else if (button == 3 && redo_buffer_steps == 0)
15308       {
15309         Request("Redo buffer empty!", REQ_CONFIRM);
15310
15311         break;
15312       }
15313
15314       if (edit_mode != ED_MODE_DRAWING)
15315         ChangeEditModeWindow(ED_MODE_DRAWING);
15316
15317       if (button == 1)
15318       {
15319         // undo
15320
15321         undo_buffer_position =
15322           (undo_buffer_position - 1 + NUM_UNDO_STEPS) % NUM_UNDO_STEPS;
15323
15324         undo_buffer_steps--;
15325         redo_buffer_steps++;
15326       }
15327       else
15328       {
15329         // redo
15330
15331         undo_buffer_position = (undo_buffer_position + 1) % NUM_UNDO_STEPS;
15332
15333         undo_buffer_steps++;
15334         redo_buffer_steps--;
15335       }
15336
15337       for (x = 0; x < lev_fieldx; x++)
15338         for (y = 0; y < lev_fieldy; y++)
15339           Tile[x][y] = UndoBuffer[undo_buffer_position][x][y];
15340
15341       // check if undo operation forces change of border style
15342       CheckLevelBorderElement(FALSE);
15343
15344       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15345
15346       break;
15347
15348     case GADGET_ID_CONF:
15349       if (edit_mode != ED_MODE_LEVELCONFIG)
15350       {
15351         last_edit_mode = edit_mode;
15352
15353         ChangeEditModeWindow(ED_MODE_LEVELCONFIG);
15354       }
15355       else
15356       {
15357         ChangeEditModeWindow(ED_MODE_DRAWING);
15358       }
15359       break;
15360
15361     case GADGET_ID_CLEAR:
15362       if (edit_mode != ED_MODE_DRAWING)
15363         ChangeEditModeWindow(ED_MODE_DRAWING);
15364
15365       for (x = 0; x < MAX_LEV_FIELDX; x++)
15366         for (y = 0; y < MAX_LEV_FIELDY; y++)
15367           Tile[x][y] = (button == 1 ? EL_EMPTY : new_element);
15368
15369       CopyLevelToUndoBuffer(GADGET_ID_CLEAR);
15370
15371       DrawEditorLevel(ed_fieldx, ed_fieldy, level_xpos, level_ypos);
15372       break;
15373
15374     case GADGET_ID_SAVE:
15375     {
15376       // saving read-only levels into personal level set modifies global vars
15377       // "leveldir_current" and "level_nr"; restore them after saving level
15378       LevelDirTree *leveldir_former = leveldir_current;
15379       int level_nr_former = level_nr;
15380       char *level_filename;
15381       boolean new_level;
15382
15383       if (leveldir_current->readonly &&
15384           !PrepareSavingIntoPersonalLevelSet())
15385         break;
15386
15387       level_filename = getDefaultLevelFilename(level_nr);
15388       new_level = !fileExists(level_filename);
15389
15390       if (new_level ||
15391           Request("Save this level and kill the old?", REQ_ASK))
15392       {
15393         if (leveldir_former->readonly)
15394           ModifyLevelConfigForSavingIntoPersonalLevelSet(leveldir_former->name);
15395
15396         SetAutomaticNumberOfGemsNeeded();
15397
15398         CopyPlayfield(Tile, level.field);
15399         SaveLevel(level_nr);
15400
15401         level.changed = FALSE;
15402
15403         if (new_level)
15404         {
15405           char level_saved_msg[64];
15406
15407           if (leveldir_former->readonly)
15408             sprintf(level_saved_msg,
15409                     "Level saved as level %d into personal level set!",
15410                     level_nr);
15411           else
15412             strcpy(level_saved_msg, "Level saved!");
15413
15414           Request(level_saved_msg, REQ_CONFIRM);
15415         }
15416       }
15417
15418       // "cd" back to copied-from levelset (in case of saved read-only level)
15419       leveldir_current = leveldir_former;
15420       level_nr = level_nr_former;
15421
15422       break;
15423     }
15424
15425     case GADGET_ID_TEST:
15426       if (LevelChanged())
15427         level.game_version = GAME_VERSION_ACTUAL;
15428
15429       CopyPlayfield(level.field, TileBackup);
15430       CopyPlayfield(Tile, level.field);
15431
15432       CopyNativeLevel_RND_to_Native(&level);
15433
15434       UnmapLevelEditorGadgets();
15435       UndrawSpecialEditorDoor();
15436
15437       CloseDoor(DOOR_CLOSE_ALL);
15438
15439       // needed before playing if editor playfield area has different size
15440       ClearRectangle(drawto, REAL_SX, REAL_SY, FULL_SXSIZE, FULL_SYSIZE);
15441
15442       // redraw_mask = REDRAW_ALL;
15443
15444       level_editor_test_game = TRUE;
15445
15446       StartGameActions(FALSE, setup.autorecord, level.random_seed);
15447
15448       break;
15449
15450     case GADGET_ID_EXIT:
15451       RequestExitLevelEditor(TRUE, FALSE);  // if level has changed, ask user
15452       break;
15453
15454     default:
15455       if (id >= GADGET_ID_ELEMENTLIST_FIRST &&
15456           id <= GADGET_ID_ELEMENTLIST_LAST)
15457       {
15458         int element_position = id - GADGET_ID_ELEMENTLIST_FIRST;
15459
15460         new_element = editor_elements[element_position + element_shift];
15461
15462         if (IS_EDITOR_CASCADE(new_element))
15463         {
15464           int i;
15465
15466           for (i = 0; editor_elements_info[i].setup_value != NULL; i++)
15467           {
15468             int *cascade_element = &(*editor_elements_info[i].headline_list)[0];
15469             boolean *cascade_value = editor_elements_info[i].setup_cascade_value;
15470
15471             if (*cascade_element == new_element)
15472             {
15473               *cascade_element = EL_CASCADE_TOGGLE(*cascade_element);
15474               *cascade_value = IS_EDITOR_CASCADE_ACTIVE(*cascade_element);
15475
15476               // update element selection list
15477               ReinitializeElementList();
15478               ModifyEditorElementList();
15479
15480               // update cascading gadget info text
15481               PrintEditorGadgetInfoText(level_editor_gadget[id]);
15482
15483               // save current editor cascading state
15484               SaveSetup_EditorCascade();
15485
15486               break;
15487             }
15488           }
15489
15490           break;
15491         }
15492
15493         if (last_custom_copy_mode != -1)
15494         {
15495           if (CopyCustomElement(properties_element, new_element,
15496                                 last_custom_copy_mode))
15497           {
15498             ClickOnGadget(level_editor_gadget[last_drawing_function],
15499                           MB_LEFTBUTTON);
15500
15501             last_custom_copy_mode = -1;
15502           }
15503
15504           break;
15505         }
15506
15507         // change element of button used to show palette
15508         if (editor.palette.show_on_element_buttons)
15509           button = last_button;
15510
15511         PickDrawingElement(button, new_element);
15512
15513         if (!stick_element_properties_window &&
15514             drawing_function != GADGET_ID_PICK_ELEMENT &&
15515             !(GetKeyModState() & KMOD_Control))
15516         {
15517           properties_element = new_element;
15518           if (edit_mode == ED_MODE_PROPERTIES)
15519             DrawPropertiesWindow();
15520         }
15521
15522         if (drawing_function == GADGET_ID_PICK_ELEMENT)
15523           ClickOnGadget(level_editor_gadget[last_drawing_function],
15524                         MB_LEFTBUTTON);
15525
15526         if (!use_permanent_palette)
15527           ChangeEditModeWindow(last_edit_mode);
15528       }
15529 #ifdef DEBUG
15530       else if (gi->event.type == GD_EVENT_PRESSED)
15531         Debug("editor", "default: HandleControlButtons: GD_EVENT_PRESSED(%d)", id);
15532       else if (gi->event.type == GD_EVENT_RELEASED)
15533         Debug("editor", "default: HandleControlButtons: GD_EVENT_RELEASED(%d)", id);
15534       else if (gi->event.type == GD_EVENT_MOVING)
15535         Debug("editor", "default: HandleControlButtons: GD_EVENT_MOVING(%d)", id);
15536       else
15537         Debug("editor", "default: HandleControlButtons: ? (id == %d)", id);
15538 #endif
15539       break;
15540   }
15541 }
15542
15543 void HandleLevelEditorKeyInput(Key key)
15544 {
15545   char letter = getCharFromKey(key);
15546
15547   if (drawing_function == GADGET_ID_TEXT &&
15548       DrawLevelText(0, 0, 0, TEXT_QUERY_TYPING) == TRUE)
15549   {
15550     if (letter)
15551       DrawLevelText(0, 0, letter, TEXT_WRITECHAR);
15552     else if (key == KSYM_Delete || key == KSYM_BackSpace)
15553       DrawLevelText(0, 0, 0, TEXT_BACKSPACE);
15554     else if (key == KSYM_Return)
15555       DrawLevelText(0, 0, 0, TEXT_NEWLINE);
15556     else if (key == KSYM_Escape)
15557       DrawLevelText(0, 0, 0, TEXT_END);
15558
15559     return;
15560   }
15561
15562   int id = GADGET_ID_NONE;
15563   int new_element_shift = element_shift;
15564   int step = ED_ELEMENTLIST_BUTTONS_VERT - 1;
15565   int button = MB_LEFTBUTTON;
15566   int i;
15567
15568   switch (key)
15569   {
15570     case KSYM_Left:
15571       id = GADGET_ID_SCROLL_LEFT;
15572       break;
15573     case KSYM_Right:
15574       id = GADGET_ID_SCROLL_RIGHT;
15575       break;
15576     case KSYM_Up:
15577       id = GADGET_ID_SCROLL_UP;
15578       break;
15579     case KSYM_Down:
15580       id = GADGET_ID_SCROLL_DOWN;
15581       break;
15582
15583     case KSYM_Page_Up:
15584     case KSYM_Page_Down:
15585       step *= (key == KSYM_Page_Up ? -1 : +1);
15586       element_shift += step * ED_ELEMENTLIST_BUTTONS_HORIZ;
15587
15588       if (element_shift < 0)
15589         element_shift = 0;
15590       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15591         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15592
15593       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15594                    GDI_SCROLLBAR_ITEM_POSITION,
15595                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15596
15597       ModifyEditorElementList();
15598
15599       break;
15600
15601     case KSYM_Home:
15602     case KSYM_End:
15603       element_shift = (key == KSYM_Home ? 0 :
15604                        num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS);
15605
15606       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15607                    GDI_SCROLLBAR_ITEM_POSITION,
15608                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15609
15610       ModifyEditorElementList();
15611
15612       break;
15613
15614     case KSYM_Insert:
15615     case KSYM_Delete:
15616
15617       // this is needed to prevent interference with running "True X-Mouse"
15618       if (GetKeyModStateFromEvents() & KMOD_Control)
15619         break;
15620
15621       // check for last or next editor cascade block in element list
15622       for (i = 0; i < num_editor_elements; i++)
15623       {
15624         if ((key == KSYM_Insert && i == element_shift) ||
15625             (key == KSYM_Delete && new_element_shift > element_shift))
15626           break;
15627
15628         // jump to next cascade block (or to start of element list)
15629         if (i == 0 || IS_EDITOR_CASCADE(editor_elements[i]))
15630           new_element_shift = i;
15631       }
15632
15633       if (i < num_editor_elements)
15634         element_shift = new_element_shift;
15635
15636       if (element_shift > num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS)
15637         element_shift = num_editor_elements - ED_NUM_ELEMENTLIST_BUTTONS;
15638
15639       ModifyGadget(level_editor_gadget[GADGET_ID_SCROLL_LIST_VERTICAL],
15640                    GDI_SCROLLBAR_ITEM_POSITION,
15641                    element_shift / ED_ELEMENTLIST_BUTTONS_HORIZ, GDI_END);
15642
15643       ModifyEditorElementList();
15644
15645       break;
15646
15647     case KSYM_Escape:
15648       if (edit_mode == ED_MODE_DRAWING)
15649         RequestExitLevelEditor(setup.ask_on_escape_editor, TRUE);
15650       else if (edit_mode == ED_MODE_LEVELCONFIG)
15651         HandleControlButtons(level_editor_gadget[GADGET_ID_CONF]);
15652       else if (edit_mode == ED_MODE_PROPERTIES)
15653         HandleControlButtons(level_editor_gadget[GADGET_ID_PROPERTIES]);
15654       else if (edit_mode == ED_MODE_PALETTE)
15655         HandleControlButtons(level_editor_gadget[GADGET_ID_PALETTE]);
15656       else              // should never happen
15657         ChangeEditModeWindow(ED_MODE_DRAWING);
15658
15659       break;
15660
15661     default:
15662       break;
15663   }
15664
15665   if (id != GADGET_ID_NONE)
15666     ClickOnGadget(level_editor_gadget[id], button);
15667   else if (letter == '1' || letter == '?')
15668     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_LEFT], button);
15669   else if (letter == '2')
15670     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_MIDDLE], button);
15671   else if (letter == '3')
15672     ClickOnGadget(level_editor_gadget[GADGET_ID_ELEMENT_RIGHT], button);
15673   else if (letter == '.')
15674     ClickOnGadget(level_editor_gadget[GADGET_ID_SINGLE_ITEMS], button);
15675   else if (letter == 'U')
15676     ClickOnGadget(level_editor_gadget[GADGET_ID_UNDO], 3);
15677   else if (letter == '-' || key == KSYM_KP_Subtract)
15678     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 3);
15679   else if (letter == '0' || key == KSYM_KP_0)
15680     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 2);
15681   else if (letter == '+' || key == KSYM_KP_Add ||
15682            letter == '=')       // ("Shift-=" is "+" on US keyboards)
15683     ClickOnGadget(level_editor_gadget[GADGET_ID_ZOOM], 1);
15684   else if (key == KSYM_Return ||
15685            key == KSYM_space ||
15686            key == setup.shortcut.toggle_pause)
15687     ClickOnGadget(level_editor_gadget[GADGET_ID_TEST], button);
15688   else
15689     for (i = 0; i < ED_NUM_CTRL_BUTTONS; i++)
15690       if (letter && letter == controlbutton_info[i].shortcut)
15691         if (!anyTextGadgetActive())
15692           ClickOnGadget(level_editor_gadget[i], button);
15693
15694   if (draw_with_brush)
15695   {
15696     if (letter == 'x')
15697       FlipBrushX();
15698     else if (letter == 'y')
15699       FlipBrushY();
15700     else if (letter == 'z')
15701       RotateBrush();
15702   }
15703 }
15704
15705 static void HandleLevelEditorIdle_Properties(void)
15706 {
15707   int element_border = graphic_info[IMG_EDITOR_ELEMENT_BORDER].border_size;
15708   int x = editor.settings.element_graphic.x + element_border;
15709   int y = editor.settings.element_graphic.y + element_border;
15710   static DelayCounter action_delay = { 0 };
15711   int i;
15712
15713   action_delay.value = GameFrameDelay;
15714
15715   if (!DelayReached(&action_delay))
15716     return;
15717
15718   for (i = 0; i < ED_NUM_SELECTBOX; i++)
15719   {
15720     struct GadgetInfo *gi = level_editor_gadget[selectbox_info[i].gadget_id];
15721
15722     if (gi->mapped && gi->active && gi->selectbox.open)
15723       return;
15724   }
15725
15726   DrawEditorElementAnimation(SX + x, SY + y);
15727
15728   redraw_mask |= REDRAW_FIELD;
15729
15730   FrameCounter++;       // increase animation frame counter
15731 }
15732
15733 static void HandleLevelEditorIdle_Drawing(void)
15734 {
15735   static boolean last_highlighted = FALSE;
15736   static boolean last_highlighted_similar = FALSE;
15737   boolean highlighted = (GetKeyModState() & KMOD_Alt);
15738   boolean highlighted_similar = (GetKeyModState() & KMOD_Shift);
15739
15740   if (highlighted != last_highlighted ||
15741       (highlighted && highlighted_similar != last_highlighted_similar))
15742   {
15743     DrawAreaElementHighlight(highlighted, highlighted_similar);
15744
15745     redraw_mask |= REDRAW_FIELD;
15746   }
15747
15748   last_highlighted = highlighted;
15749   last_highlighted_similar = highlighted_similar;
15750 }
15751
15752 void HandleLevelEditorIdle(void)
15753 {
15754   if (edit_mode == ED_MODE_PROPERTIES)
15755     HandleLevelEditorIdle_Properties();
15756   else if (edit_mode == ED_MODE_DRAWING)
15757     HandleLevelEditorIdle_Drawing();
15758 }
15759
15760 static void ClearEditorGadgetInfoText(void)
15761 {
15762   DrawBackground(INFOTEXT_XPOS, INFOTEXT_YPOS, INFOTEXT_XSIZE, INFOTEXT_YSIZE);
15763 }
15764
15765 void PrintEditorGadgetInfoText(struct GadgetInfo *gi)
15766 {
15767   char infotext[MAX_OUTPUT_LINESIZE + 1];
15768   int max_infotext_len = getMaxInfoTextLength();
15769
15770   if (gi == NULL || strlen(gi->info_text) == 0)
15771     return;
15772
15773   strncpy(infotext, gi->info_text, max_infotext_len);
15774   infotext[max_infotext_len] = '\0';
15775
15776   if (gi->custom_id < ED_NUM_CTRL_BUTTONS)
15777   {
15778     int key = controlbutton_info[gi->custom_id].shortcut;
15779
15780     if (key)
15781     {
15782       char shortcut[MAX_OUTPUT_LINESIZE + 1];
15783
15784       if (gi->custom_id == GADGET_ID_SINGLE_ITEMS)
15785         sprintf(shortcut, " ('.' or '%c')", key);
15786       else if (gi->custom_id == GADGET_ID_PICK_ELEMENT)
15787         sprintf(shortcut, " ('%c' or 'Ctrl')", key);
15788       else if (gi->custom_id == GADGET_ID_TEST)
15789         sprintf(shortcut, " ('Enter' or 'Shift-%c')", key);
15790       else if (gi->custom_id == GADGET_ID_UNDO)
15791         sprintf(shortcut, " ('%c/Shift-U')", key);
15792       else if (gi->custom_id == GADGET_ID_ZOOM)
15793         sprintf(shortcut, " ('%c', '0', '-')", key);
15794       else
15795         sprintf(shortcut, " ('%s%c')",
15796                 (key >= 'A' && key <= 'Z' ? "Shift-" : ""), key);
15797
15798       if (strlen(infotext) + strlen(shortcut) <= max_infotext_len)
15799         strcat(infotext, shortcut);
15800     }
15801   }
15802
15803   DrawText(INFOTEXT_XPOS, INFOTEXT_YPOS, infotext, INFOTEXT_FONT);
15804 }
15805
15806 void HandleEditorGadgetInfoText(void *ptr)
15807 {
15808   struct GadgetInfo *gi = (struct GadgetInfo *)ptr;
15809
15810   if (game_status != GAME_MODE_EDITOR)
15811     return;
15812
15813   ClearEditorGadgetInfoText();
15814
15815   if (gi == NULL || gi->event.type == GD_EVENT_INFO_LEAVING)
15816     return;
15817
15818   // misuse this function to delete brush cursor, if needed
15819   if (edit_mode == ED_MODE_DRAWING && draw_with_brush)
15820     DeleteBrushFromCursor();
15821
15822   PrintEditorGadgetInfoText(gi);
15823 }
15824
15825 static void HandleDrawingAreaInfo(struct GadgetInfo *gi)
15826 {
15827   int id = gi->custom_id;
15828   int type_id = gi->custom_type_id;
15829   int sx = gi->event.x;
15830   int sy = gi->event.y;
15831   int lx = sx + level_xpos;
15832   int ly = sy + level_ypos;
15833   int min_sx = 0, min_sy = 0;
15834   int max_sx = gi->drawing.area_xsize - 1;
15835   int max_sy = gi->drawing.area_ysize - 1;
15836   int actual_drawing_function = drawing_function;
15837   int max_infotext_len = getMaxInfoTextLength();
15838   char infotext[MAX_OUTPUT_LINESIZE + 1];
15839
15840   infotext[0] = '\0';           // start with empty info text
15841
15842   // pressed Control key: simulate picking element
15843   if (GetKeyModState() & KMOD_Control)
15844     actual_drawing_function = GADGET_ID_PICK_ELEMENT;
15845
15846   ClearEditorGadgetInfoText();
15847
15848   if (gi->event.type == GD_EVENT_INFO_LEAVING)
15849     return;
15850
15851   // make sure to stay inside drawing area boundaries
15852   sx = (sx < min_sx ? min_sx : sx > max_sx ? max_sx : sx);
15853   sy = (sy < min_sy ? min_sy : sy > max_sy ? max_sy : sy);
15854
15855   if (id == GADGET_ID_DRAWING_LEVEL)
15856   {
15857     if (button_status)
15858     {
15859       int min_lx = 0, min_ly = 0;
15860       int max_lx = lev_fieldx - 1, max_ly = lev_fieldy - 1;
15861
15862       // get positions inside level field
15863       lx = sx + level_xpos;
15864       ly = sy + level_ypos;
15865
15866       // make sure to stay inside level field boundaries
15867       lx = (lx < min_lx ? min_lx : lx > max_lx ? max_lx : lx);
15868       ly = (ly < min_ly ? min_ly : ly > max_ly ? max_ly : ly);
15869
15870       // correct drawing area positions accordingly
15871       sx = lx - level_xpos;
15872       sy = ly - level_ypos;
15873     }
15874
15875     if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15876     {
15877       if (button_status)        // if (gi->state == GD_BUTTON_PRESSED)
15878       {
15879         static int start_lx = 0;
15880         static int start_ly = 0;
15881         char *text;
15882
15883         if (gi->event.type == GD_EVENT_PRESSED)
15884         {
15885           start_lx = lx;
15886           start_ly = ly;
15887         }
15888
15889         switch (actual_drawing_function)
15890         {
15891           case GADGET_ID_SINGLE_ITEMS:
15892             text = "Drawing single items";
15893             break;
15894           case GADGET_ID_CONNECTED_ITEMS:
15895             text = "Drawing connected items";
15896             break;
15897           case GADGET_ID_LINE:
15898             text = "Drawing line";
15899             break;
15900           case GADGET_ID_ARC:
15901             text = "Drawing arc";
15902             break;
15903           case GADGET_ID_TEXT:
15904             text = "Setting text cursor";
15905             break;
15906           case GADGET_ID_RECTANGLE:
15907             text = "Drawing rectangle";
15908             break;
15909           case GADGET_ID_FILLED_BOX:
15910             text = "Drawing filled box";
15911             break;
15912           case GADGET_ID_FLOOD_FILL:
15913             text = "Flood fill";
15914             break;
15915           case GADGET_ID_GRAB_BRUSH:
15916             text = "Grabbing brush";
15917             break;
15918           case GADGET_ID_PICK_ELEMENT:
15919             text = "Picking element";
15920             break;
15921
15922           default:
15923             text = "Drawing position";
15924             break;
15925         }
15926
15927         if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15928           sprintf(infotext, "%s: %d, %d", text, lx, ly);
15929         else
15930           sprintf(infotext, "%s: %d, %d", text,
15931                   ABS(lx - start_lx) + 1, ABS(ly - start_ly) + 1);
15932       }
15933       else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15934         strncpy(infotext, getElementInfoText(Tile[lx][ly]), max_infotext_len);
15935       else
15936         sprintf(infotext, "Level position: %d, %d", lx, ly);
15937     }
15938
15939     // misuse this function to draw brush cursor, if needed
15940     if (edit_mode == ED_MODE_DRAWING && draw_with_brush && !button_status)
15941     {
15942       if (IN_ED_FIELD(sx, sy) && IN_LEV_FIELD(lx, ly))
15943         CopyBrushToCursor(sx, sy);
15944       else
15945         DeleteBrushFromCursor();
15946     }
15947
15948     if (!draw_with_brush)
15949       UpdateBrushPosition(sx, sy);
15950   }
15951   else if (actual_drawing_function == GADGET_ID_PICK_ELEMENT)
15952   {
15953     int pos = sx * drawingarea_info[type_id].area_ysize + sy;
15954     int element = drawingarea_info[type_id].value[pos];
15955
15956     strncpy(infotext, getElementInfoText(element), max_infotext_len);
15957   }
15958   else
15959   {
15960     if (id == GADGET_ID_CUSTOM_CONTENT)
15961       sprintf(infotext, "custom element content position: %d, %d", sx, sy);
15962     else if (id == GADGET_ID_GROUP_CONTENT)
15963       sprintf(infotext, "group element position: %d", sx + 1);
15964     else if (id >= GADGET_ID_YAMYAM_CONTENT_0 &&
15965              id <= GADGET_ID_YAMYAM_CONTENT_7)
15966       sprintf(infotext, "content area %d position: %d, %d",
15967               id - GADGET_ID_YAMYAM_CONTENT_0 + 1, sx, sy);
15968     else if (id >= GADGET_ID_MAGIC_BALL_CONTENT_0 &&
15969              id <= GADGET_ID_MAGIC_BALL_CONTENT_7)
15970       sprintf(infotext, "content area %d position: %d, %d",
15971               id - GADGET_ID_MAGIC_BALL_CONTENT_0 + 1, sx, sy);
15972     else if (id == GADGET_ID_ANDROID_CONTENT)
15973       sprintf(infotext, "android element position: %d", sx + 1);
15974     else if (drawingarea_info[type_id].infotext != NULL)
15975       strcpy(infotext, drawingarea_info[type_id].infotext);
15976   }
15977
15978   infotext[max_infotext_len] = '\0';
15979
15980   if (strlen(infotext) > 0)
15981     DrawTextS(INFOTEXT_XPOS - SX, INFOTEXT_YPOS - SY, INFOTEXT_FONT, infotext);
15982 }
15983
15984 void RequestExitLevelEditor(boolean ask_if_level_has_changed,
15985                             boolean quick_quit)
15986 {
15987   if (!ask_if_level_has_changed ||
15988       !LevelChanged() ||
15989       Request("Level has changed! Exit without saving?",
15990               REQ_ASK | REQ_STAY_OPEN))
15991   {
15992     struct RectWithBorder *vp_door_1 = &viewport.door_1[GAME_MODE_MAIN];
15993     struct RectWithBorder *vp_door_2 = &viewport.door_2[GAME_MODE_MAIN];
15994
15995     // draw normal door
15996     UndrawSpecialEditorDoor();
15997
15998     // use door animation if door 1 viewport is unchanged and contains toolbox
15999     if (useEditorDoorAnimation())
16000       CloseDoor(DOOR_CLOSE_1 | DOOR_FORCE_ANIM);
16001
16002     // close editor doors if viewport definition is the same as in main menu
16003     if (vp_door_1->x      == DX     &&
16004         vp_door_1->y      == DY     &&
16005         vp_door_1->width  == DXSIZE &&
16006         vp_door_1->height == DYSIZE &&
16007         vp_door_2->x      == VX     &&
16008         vp_door_2->y      == VY     &&
16009         vp_door_2->width  == VXSIZE &&
16010         vp_door_2->height == VYSIZE)
16011       CloseDoor(DOOR_CLOSE_ALL | DOOR_NO_DELAY);
16012     else
16013       SetDoorState(DOOR_CLOSE_ALL);
16014
16015     BackToFront();
16016
16017     if (quick_quit)
16018       FadeSkipNextFadeIn();
16019
16020     SetGameStatus(GAME_MODE_MAIN);
16021
16022     DrawMainMenu();
16023   }
16024   else
16025   {
16026     if (!global.use_envelope_request)
16027     {
16028       CloseDoor(DOOR_CLOSE_1);
16029       OpenDoor(DOOR_OPEN_1 | DOOR_COPY_BACK);
16030     }
16031   }
16032 }